# Polymer Journals: Complete Publication Context > Clean Markdown content assembled from Polymer Journals. Canonical source URLs are included in every document. --- Source: https://polymerjournals.com/ # Polymer Journals > An independent materials-science publication covering polymers, composites, chemistry, manufacturing research, and applied engineering. Canonical URL: https://polymerjournals.com/ An independent materials-science publication covering polymers, composites, chemistry, manufacturing research, and applied engineering. ## Sections - [Applied Polymer Composites](https://polymerjournals.com/category/applied-polymer-composites/index.html.md) - [Cellular Polymers](https://polymerjournals.com/category/cellular-polymers/index.html.md) - [Chemistry](https://polymerjournals.com/category/chemistry/index.html.md) - [Industrial Science](https://polymerjournals.com/category/industrial-science/index.html.md) - [Materials](https://polymerjournals.com/category/materials/index.html.md) - [News](https://polymerjournals.com/category/news/index.html.md) - [Polymers and Polymer Composites](https://polymerjournals.com/category/polymers-and-polymer-composites/index.html.md) - [Polymers from Renewable Resources](https://polymerjournals.com/category/polymers-from-renewable-resources/index.html.md) - [Progress in Rubber, Plastics and Recycling Technology](https://polymerjournals.com/category/progress-in-rubber-plastics-and-recycling-technology/index.html.md) - [Technology](https://polymerjournals.com/category/technology/index.html.md) - [Uncategorized](https://polymerjournals.com/category/uncategorized/index.html.md) ## Latest Stories - [Artemis II Looks Closer to the Pad as NASA Reports a Smoother Countdown](https://polymerjournals.com/artemis-ii-looks-closer-to-the-pad-as-nasa-reports-a-smoother-countdown/index.html.md): After a frustrating run of delays, leaks and technical snags, NASA says conditions are finally looking more favorable for Artemis II, the mission set to send astronauts toward... - [Ancient Carbon Is Pouring Into Arctic Rivers as Alaska’s Permafrost Thaws Faster](https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-alaskas-permafrost-thaws-faster/index.html.md): A new study in Global Biogeochemical Cycles shows that northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as permafrost thaws, with the... - [Ancient Carbon Is Flooding Arctic Rivers as Permafrost Melts Faster](https://polymerjournals.com/ancient-carbon-is-flooding-arctic-rivers-as-permafrost-melts-faster-2/index.html.md): A warming Arctic is opening a new route for old carbon to re-enter the climate system. In a new study published in Global Biogeochemical Cycles, researchers led by... - [Ancient Carbon Is Flooding Arctic Rivers as Permafrost Melts Faster](https://polymerjournals.com/ancient-carbon-is-flooding-arctic-rivers-as-permafrost-melts-faster/index.html.md): A new study in Global Biogeochemical Cycles suggests the Arctic is opening a much older carbon vault than scientists once thought. Led by Michael A. Rawlins at the... - [Ancient Carbon Is Pouring Into Arctic Rivers as Permafrost Thaw Speeds Up](https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-permafrost-thaw-speeds-up/index.html.md): A warming Arctic is not just losing ice at the surface. According to a new study published in Global Biogeochemical Cycles, thawing permafrost across northern Alaska is now... - [Ancient Carbon Is Pouring Into Arctic Rivers as Permafrost Thaws, and Scientists Can Now See the Shift in Fine Detail](https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-permafrost-thaws-and-scientists-can-now-see-the-shift-in-fine-detail/index.html.md): A new study published in Global Biogeochemical Cycles has traced a striking change across northern Alaska: as permafrost thaws, Arctic rivers are carrying more freshwater and more long-frozen... - [Ancient Carbon Is Reaching Arctic Rivers Faster as Alaska’s Permafrost Thaws](https://polymerjournals.com/ancient-carbon-is-reaching-arctic-rivers-faster-as-alaskas-permafrost-thaws/index.html.md): A new study suggests northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as the ground warms and thaws. Led by researchers at... - [Artemis II Countdown Looks Better, And It’s Also A Quiet Stress Test For Space-Grade Polymers](https://polymerjournals.com/artemis-ii-countdown-looks-better-and-its-also-a-quiet-stress-test-for-space-grade-polymers/index.html.md): In the latest Artemis II launch update, NASA's crewed return toward the Moon appeared to be in a much healthier place after weeks of delays tied to fuel... - [Ancient Carbon Is Pouring Into Arctic Rivers as Alaska’s Permafrost Thaws](https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-alaskas-permafrost-thaws/index.html.md): A new study published in Global Biogeochemical Cycles shows that northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as permafrost thaws and... - [Engineered Bacteria Turn PET Plastic Waste Into Levodopa in Drug-Making Proof of Concept](https://polymerjournals.com/engineered-bacteria-turn-pet-plastic-waste-into-levodopa-in-drug-making-proof-of-concept/index.html.md): Researchers at the University of Edinburgh have shown that waste plastic can become the starting point for a medically important drug. In a new proof-of-concept study, the team... - [Tungsten Carbide Catalyst Offers a Tougher Route for Recycling Mixed Polyolefin Waste](https://polymerjournals.com/tungsten-carbide-catalyst-offers-a-tougher-route-for-recycling-mixed-polyolefin-waste/index.html.md): A new study reports that tungsten carbide-based catalysts can hydrocrack polyolefin plastics efficiently even when the feed contains polyvinyl chloride, or PVC, a contaminant that often disables conventional... - [Hundreds of glacial earthquakes found at Antarctica’s Thwaites Glacier sharpen concern over ice-fracture instability](https://polymerjournals.com/hundreds-of-earthquakes-detected-at-antarcticas-doomsday-glacier/index.html.md): Scientists have reported one of the clearest signs yet that Antarctica's Thwaites Glacier is not just melting and thinning, but also failing in ways that can be tracked... - [Hundreds of glacial earthquakes found at Antarctica’s Thwaites Glacier sharpen concern over ice-fracture instability](https://polymerjournals.com/hundreds-of-glacial-earthquakes-found-at-antarcticas-thwaites-glacier-sharpen-concern-over-ice-fracture-instability/index.html.md): Scientists have reported one of the clearest signs yet that Antarctica's Thwaites Glacier is not just melting and thinning, but also failing in ways that can be tracked... - [NASA Orbiter Tracks China’s Zhurong Rover Across the Martian Surface](https://polymerjournals.com/nasa-orbiter-tracks-chinas-zhurong-rover-across-the-martian-surface/index.html.md): NASA's Mars Reconnaissance Orbiter, or MRO, has captured a striking orbital view of China's Zhurong rover and the route it carved across the Martian landscape after landing in... - [How NASA Put the “Worm” Back on Artemis I](https://polymerjournals.com/how-nasa-put-the-worm-back-on-artemis-i/index.html.md): When NASA prepared the first Artemis mission, the agency was doing more than assembling a heavy-lift rocket and a deep-space capsule. It was also making a statement about... - [Euclid’s First Deep-Field Images Open a New Window on the Dark Universe](https://polymerjournals.com/euclids-first-deep-field-images-open-a-new-window-on-the-dark-universe/index.html.md): The European Space Agency's Euclid mission has delivered its first look at the telescope's three deep fields, offering an early but powerful preview of a survey designed to... - [Artemis II Conditions Look Promising as NASA Prepares Its First Crewed Moon Flight in More Than 50 Years](https://polymerjournals.com/artemis-ii-conditions-look-promising-as-nasa-prepares-its-first-crewed-moon-flight-in-more-than-50-years/index.html.md): NASA is moving toward a major milestone in human spaceflight as conditions for the Artemis II launch look increasingly favorable. After weeks of technical setbacks involving fuel leaks... - [Enzymatic PET recycling moves closer to full-scale industry](https://polymerjournals.com/enzymatic-pet-recycling-moves-closer-to-full-scale-industry/index.html.md): One of the most closely watched ideas in plastics recycling is no longer just a laboratory story. Carbios, the French company developing enzymatic recycling for polyethylene terephthalate, or... - [Northwestern researchers report a route to turn polyethylene waste into ingredients for detergents and other higher-value products](https://polymerjournals.com/northwestern-researchers-report-a-route-to-turn-polyethylene-waste-into-ingredients-for-detergents-and-other-higher-value-products/index.html.md): Polyethylene is one of the most widely used plastics in the world. It appears in shopping bags, shrink wrap, food packaging, detergent bottles and countless other products. It... - [Designed-for-recycling thermosets are moving from lab curiosity to serious circular-plastics strategy](https://polymerjournals.com/designed-for-recycling-thermosets-are-moving-from-lab-curiosity-to-serious-circular-plastics-strategy/index.html.md): A plastic that can be tough, durable and chemically stable in use, yet still be taken back to its original building blocks when its job is finished, has... - [Research Reference: IJPS20213705](https://polymerjournals.com/ijps20213705/index.html.md): A clean article reference page created for the legacy code IJPS20213705. - [Quality Control in Starch Ether Production](https://polymerjournals.com/quality-control-in-starch-ether-production/index.html.md): Why process control, substitution consistency, and moisture handling matter in starch ether manufacturing. - [Advanced Polymers for Coatings](https://polymerjournals.com/advanced-polymers-for-coatings/index.html.md): How polymer design influences barrier performance, surface durability, and coating flexibility. - [PU-Coated Fabrics Performance Evaluation](https://polymerjournals.com/pu-coated-fabrics-performance-evaluation/index.html.md): A practical look at breathability, hydrolysis resistance, abrasion, and seam behavior in PU-coated fabrics. - [Foam Recovery Physics](https://polymerjournals.com/foam-recovery-physics/index.html.md): Why density, cell structure, viscoelasticity, and loading history govern how foam springs back after compression. - [Fiber Lasers in Industrial Applications](https://polymerjournals.com/fiber-lasers-in-industrial-applications/index.html.md): Why fiber lasers became central to cutting, welding, marking, and precision materials processing. - [PVC Additives and Anti-Static Performance](https://polymerjournals.com/pvc-additives-anti-static/index.html.md): How anti-static packages work in PVC and why migration, humidity, and processing conditions matter. - [Polymerization Technology](https://polymerjournals.com/polymerization-technology/index.html.md): A modern overview of how reaction engineering shapes polymer architecture, productivity, and scale-up. - [TPE vs Silicone](https://polymerjournals.com/tpe-vs-silicone/index.html.md): Comparing thermal stability, softness, processability, and regulatory fit in TPE and silicone materials. - [Research Note: S1359-835X(22)00123-7](https://polymerjournals.com/s1359-835x2200123-7/index.html.md): A research-note style entry created to retain external references to a known article identifier. --- Source: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 2049-6249 2019 Subscription Rate: £420 Applied Polymer Composites Vol. 2, No.4, 2014 View this issue Applied Polymer Composites Vol. 2, No.3,... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://apc.jpg) > ISSN (electronic copy): 2049-6249 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Applied Polymer Composites Vol. 2, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-4&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-3&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-2&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-1&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-4&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-3&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-2&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Applied Polymer Composites Vol. 2, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-4&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-3&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-2&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-1&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-4&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-3&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-2&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 2049-6249 2019 Subscription Rate: £420 Applied Polymer Composites Vol. 2, No.4, 2014 View this issue Applied Polymer Composites Vol. 2, No.3,... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://apc.jpg) > ISSN (electronic copy): 2049-6249 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Applied Polymer Composites Vol. 2, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-4&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-3&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-2&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-1&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-4&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-3&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-2&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Applied Polymer Composites Vol. 2, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-4&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-3&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-2&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-1&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-4&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-3&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-2&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites > This section collects issue pages and related article content focused on application-led polymer composites, coatings, reinforcement systems, and structural materials.It now serves as a clean journal landing page for readers looking for this area of coverage. Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/ This section collects issue pages and related article content focused on application-led polymer composites, coatings, reinforcement systems, and structural materials. It now serves as a clean journal landing page for readers looking for this area of coverage. --- Source: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 2049-6249 2019 Subscription Rate: £420 Applied Polymer Composites Vol. 2, No.4, 2014 View this issue Applied Polymer Composites Vol. 2, No.3,... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://apc.jpg) > ISSN (electronic copy): 2049-6249 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Applied Polymer Composites Vol. 2, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-4&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-3&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-2&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 2, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-1&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-4&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-3&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-2&JIP=) | > |  | | | > | Applied Polymer Composites Vol. 1, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Applied Polymer Composites Vol. 2, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-4&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-3&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-2&JIP=) | |  | | | | Applied Polymer Composites Vol. 2, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc2-1&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-4&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-3&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-2&JIP=) | |  | | | | Applied Polymer Composites Vol. 1, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=apc&JournalIssue=apc1-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc1-1/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES AND ITS VALIDATION Page Range: p.1-8 Author(s): Sanjay Palsule File size: 139K Download the pdf... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc1-1/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES AND ITS VALIDATION** > Page Range: p.1-8 > Author(s): Sanjay Palsule > File size: 139K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-1&JournalID=101929&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.1 > > > > **Abstract** > Palsule equation for tensile Modulus of short fibre reinforced polymer composites has been derived as the first equation that accounts for the aspect ratio of reinforcer as follows: Ec=1/8(EmVm+EfVf)+1/4 [(Ef+lambdaEm)+lambdaVf(Ef-EEm) divided by (Ef+lambdaEm)-psiVf(Ef-Em)]Em. Palsule equation has been validated by a comparison of the modulus of several short fibre reinforced polymer composites predicted by Palsule equation with their literature reported experimentally measured modulus values indicating that values predicted by Palsule equation are comparable with literature reported experimentally measured tensile modulus. 14 Refs. > > > > --- > > > **Title: STUDIES OF THERMOPLASTIC POLYURETHANE ADHESIVES WITH CARBON NANOTUBES OBTAINED BY TWO DIFFERENT ROUTES AND THEIR INTERACTION MECHANISMS** > Page Range: p.9-26 > Author(s): Orgiles-Calpena E; Aran-Ais F; Torro-Palau A M; Orgiles-Barcelo C > File size: 255K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-1&JournalID=101930&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.1 > > **Abstract** > Carbon nanotubes (CNTs) combine excellent mechanical properties, high electrical and thermal conductivity, etc., and therefore have created a great interest in materials science and many industrial applications. The incorporation of carbon nanotubes to adhesives offers promising scientific potential to develop nanocomposites with improved properties and new functionalities. However, the addition of these nanofillers is challenging because of their tendency to the form aggregates and sedimentation. Consequently, it is necessary to insert functional groups on the surface of the nanotubes to promote and optimise their interaction with the polymer matrix. In this work, carbon nanotubes have been functionalised by an acid treatment and subsequently incorporated in a thermoplastic polyurethane adhesive (TPU) by two different methods: i) during polyurethane synthesis by in situ polymerisation; ii) external incorporation by dispersing nanotubes within the adhesive. The influence on the rheological, thermal and adhesive properties has been reported, and the analysis of the complex interactions of carbon nanotube-polyurethane has been discussed. 18 Refs. > > > > --- > > > **Title: NANOCOMPOSITES WITH INCREASED CONTENT OF BETA- PHASE BASED ON POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) AND ORGANICALLY MODIFIED NANOCLAY** > Page Range: p.27-46 > Author(s): Atanas Atanassov; Lyudmila Borisova; Dimitrina Kiryakova; Kostov G > File size: 216K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-1&JournalID=101931&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.1 > > **Abstract** > Polymer nanocomposites of Poly(vinylidene fluoride-co-hexafluoropropylene) with 15 mol% content of hexafluoropropylene containing up to 6.0 mass% organically modified montmorillonite nanoclay Cloisiteii15 A were prepared by melt-mixing at 200 degrees C. The initial copolymer was found to contain mainly the nonpolar m- phase. With the addition of Cloisite--15 A, the X-ray diffraction patterns showed basic peak at 2sshigher than 20 degrees together with smaller one at 222= 18 - 19 degrees which proved the formation of -- phase. At Cloisite--15 A content in the nanocomposites higher than 3.0 mass%, the X-ray patterns changed to singlepeak shape. The FT-IR analysis showed that the increase of nanoclay content results in increased d- phase content from 30% in the initial poly(vinylidene fluoride-co-hexafluoropropylene) to 86% in the materials containing 3.0 mass% CloisiteCC15 A. It was found that the temperatures of beginning, end and maximum of melting, as well as the crystallisation temperature, were higher than those of the initial copolymer. The tensile strength, elongation at break and energy of destruction of the composite materials containing Cloisiteaa15 A showed maximum at 0.5 - 0.75 mass% degree of filling and their values were 36.3 MPa, 1240 % and 18 J, respectively. 49 Refs. > > > > --- > > > **Title: DIELECTRIC PROPERTIES OF POLYMETHYLMETHACRYLATE/BARIUM TITANATE (PMMA/BATIO3) NANOCOMPOSITES** > Page Range: p.47-56 > Author(s): Gupta S K; Pandey K N; Vishal Verma; Smita Mathur; Vijai Kumar > File size: 203K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-1&JournalID=101932&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.1 > > **Abstract** > Ceramics/polymer nanocomposites have a lower cost, excellent dielectric properties, good material strength and improved electrical and piezoelectric properties. Polymethylmethacrylate (PMMA) shows a rather low dielectric constant between 3 to 8 depending on its molecular weight and testing frequency. Barium titanate, (BaTiO3) has a very high dielectric constant of the order of ten thousand, because of which it has been extensively used for fabrication of multilayer capacitors. The dielectric and piezoelectric properties of the PMMA/ BaTiO3 nanocomposites films have been measured as a function of frequency and temperature. The piezoelectric responses have been evaluated with varying ceramic volume percentage. Morphological behaviour of nanocomposites have been performed with the aid of scanning electron microscopy (SEM). 18 Refs. > > > > --- > > > **Title: NATURAL HARDWOOD FIBER REINFORCED CHEMICALLY FUNCTIONLIZED POLYETHYLENE COMPOSITES WITH IN-SITU FIBER/MATRIX INTERFACIAL ADHESION** > Page Range: p.57-74 > Author(s): Sanjay Palsule; Ogunsile B O; Priyanka; Anshu Anjali Singh > File size: 253K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-1&JournalID=101933&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.1 > > **Abstract** > Hardwood fibre (HWF) reinforced anhydride and acid functionalised maleic anhydride grafted high density polyethylene (CF-HDPE) composites have been processed by in-situ fibre / matrix interactions, without any use of compatibiliser and without any fibre treatment. The formation of composites is established by the increase in tensile modulus and tensile strength and the decrease in elongation at break with increasing amounts of the reinforcing HWF in HWF/ CF-HDPE composite compositions. The in-situ fibre/matrix interfacial adhesion in these composites has been established by scanning electron microscopy, and also by FTIR Spectroscopy. The measured tensile modulus of the composite with low volume fraction of hardwood fibre as reinforcer compares well with modulus predicted by Inverse rule of mixtures, Hirsch model, Halpin-Tsai equations, Nielsen model and Palsule equation. 31 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc1-2/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: BIODEGRADATION OF COIR/EPOXY COMPOSITES Page Range: p.75-84 Author(s): Preeti Verma; Savita Dixit; Asokan P File size: 254K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc1-2/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: BIODEGRADATION OF COIR/EPOXY COMPOSITES** > Page Range: p.75-84 > Author(s): Preeti Verma; Savita Dixit; Asokan P > File size: 254K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-2&JournalID=101934&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.2 > > > > **Abstract** > Biodegradability of coir fibre reinforced epoxy composites under the effect of cow dung has been evaluated by soil burial test. Weight loss and decrease of mechanical properties with time has been observed. Biodegradation of the composites has been established by carbon dioxide evolution and by analysis of the morphology and the chemical structure of the degraded composite by scanning electron microscope and by Fourier transform infrared spectroscopy respectively. 10 Refs. > > > > --- > > > **Title: GLASS FIBER AND BLAST FURNACE SLAG PARTICLES REINFORCED EPOXY-BASED HYBRID COMPOSITES** > Page Range: p.85-92 > Author(s): Prasanta Kumar Padhi; Alok Satapathy > File size: 155K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-2&JournalID=101935&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.2 > > **Abstract** > Blast furnace slag particles (BFSP), generated in large quantities during steel manufacture consist of SiO2 and Al2O3. This study indicates that glass fibre (GF) and blast furnace slag particles (BFSP) reinforced epoxy based hybrid composites processed by hand lay-up technique exhibit improved hardness, acceptable density and well dispersed reinforcer morphology. This work highlights preparation of value added polymeric composites for tribological applications by utilizing steel plant waste. 7 Refs. > > > > --- > > > **Title: MECHANICAL AND THERMAL PROPERTIES OF EPOXY/PVC/ORGANO-MODIFIED CLAY NANOCOMPOSITE** > Page Range: p.93-102 > Author(s): Pooja Kaushal; Pratibha Singh; Vishal Verma; Pandey K N; Vijai Kumar > File size: 172K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-2&JournalID=101936&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.2 > > **Abstract** > This study describes processing and properties of nanocomposites of epoxy/ PVC with varying amounts of organo-modified clay. Organo-modified clay changes from hydrophilic to organophillic after reacting with organic-cationic surfactant. Small amounts of organoclay, added to polymer, impart many rheological characteristics and enhance physico-mechanical properties. Varying amounts of PVC added to epoxy indicated 5 phr PVC imparts best properties to epoxy. Various amounts of organo-modified clay, with loading varying from 1 to 9 phr, added to epoxy/PVC mixture, demonstrated that optimum to best mechanical properties are achieved with Epoxy/5 phr PVC/5 phr organomodified montmorillonite clay composites. 17 Refs. > > > > --- > > > **Title: EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF BANANA FIBRE REINFORCED FUNCTIONALIZED POLYPROPYLENE (BF/CFPP) COMPOSITES DEVELOPED BY PALSULE PROCESS** > Page Range: p.103-112 > Author(s): Priyanka; Sanjay Palsule > File size: 141K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-2&JournalID=101937&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.2 > > **Abstract** > Banana fibre (BF) reinforced chemically functionalised high density polypropylene (CFPP) composites (BF/CFPP) developed by Palsule process of using modified matrix, immersed in distilled water at room temperature for long duration, showed water absorption higher than that of the CFPP that increased with increasing fibre content in the composite compositions. Tensile modulus and tensile strength of the wet composite compositions was lower than that of the dry BF/CFPP composite compositions. Voids, capillary water transport and hydrogen bonds promote water absorption in BF/CFPP composites. 19 Refs. > > > > --- > > > **Title: EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF JUTE FIBER REINFORCED MODIFIED POLYETHYLENE COMPOSITES DEVELOPED BY PALSULE PROCESS** > Page Range: p.113-124 > Author(s): Anshu Anjali Singh; Sanjay Palsule > File size: 179K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-2&JournalID=101938&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.2 > > **Abstract** > Jute fibre (JF) reinforced chemically functionalised high density polyethylene (CFHDPE) composites (JF/CF-HDPE) of various compositions (10%, 20% and 30% JF) developed by Palsule process of using modified matrix were immersed in distilled water at room temperature for 6600 hours to study the effect of long term water absorption. Water absorption, thickness swelling, of the composite compositions was higher than that of the CF-HDPE and increased with increasing fibre content in composite compositions. Tensile modulus and tensile strength of the wet composite compositions was lower than that of the dry JF/CF-HDPE composite compositions. Voids, capillary water transport and hydrogen bonds promote water absorption in JF/CF-HDPE composites. 15 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc1-3/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: SYNTHESIS OF POLYPYRROLE/CELLULOSE COMPOSITES IN IONIC LIQUIDS Page Range: p.125-154 Author(s): Yang Tan; Khashayar Ghandi File size: 404K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc1-3/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: SYNTHESIS OF POLYPYRROLE/CELLULOSE COMPOSITES IN IONIC LIQUIDS** > Page Range: p.125-154 > Author(s): Yang Tan; Khashayar Ghandi > File size: 404K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-3&JournalID=101972&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.3 > > > > **Abstract** > Conductive polymers are a promising class of polymer materials which have unusual combination properties of conductive metals and insulated plastics. Conductive polymers or conductive polymer-based composites are expected to be widely applied in the new growing technology area of photovoltaic devices, display devices, corrosion protection, batteries, and super-capacitors. Polypyrrole (PPy) is one of the conducting polymers. This study reports the synthesis of PPy/cellulose in ionic liquids (ILs). Conductive polypyrrole-cellulose ionic liquid (PPy-C-IL) composites were synthesised by chemical polymerisation. PPy-C-IL composites both overcome the inadequate mechanical property of polypyrrole, and give a conductive property to the world's most abundant material-cellulose. The synthesis applied a relatively 'green' method that employed a phosphonium IL (trihexyl(tetradecyl) phosphonium dicyanamide) as a novel solvent for dissolution of cellulose (pulp) and in situ polymerisation. The structures, morphology and electrical properties of the homogenous composites were characterized with Fourier-transform infrared spectroscopy, a scanning electron microscope, and a conductivity probe that was built in-house for the purpose. 65 Refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF POLYURETHANE-LAYERED SILICATE NANOCOMPOSITES USING TRIS(2-HYDROXYETHYL)AMMONIUM IONS ATTACHED MONTMORILLONITE** > Page Range: p.155-166 > Author(s): Mukesh Kumar; Govind Gupta; Subramani Sankaraiah; Tharanikkarasu Kannan > File size: 232K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-3&JournalID=101973&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.3 > > **Abstract** > Polyurethane-montmorillonite nanocomposites were successfully synthesised using novel tris(2-hydroxyethyl)ammonium ions attached montmorillonite. To enhance the interfacial interactions between the polyurethane and montmorillonite, first, sodium ions present in sodium montmorillonite layers were exchanged with tris(2-hydroxyethyl)ammonium ions and resulting modified montmorillonite was used during the synthesis of polyurethane. As tris(2-hydroxyethyl)ammonium ions are bigger than the sodium ions, during the modification, the distance between montmorillonite layers increased from 1.1 nm to 1.73 nm. X-ray diffraction and transmission electron microscopy results confirm the formation of exfoliated and intercalated polyurethane-montmorillonite nanocomposites. When compared to virgin polyurethane, polyurethane-montmorillonite nanocomposites show higher thermal stability and glass transition temperature. 35 Refs. > > > > --- > > > **Title: CHARACTERIZATION OF BACTERIAL CELLULOSE-CHITOSAN COMPOSITE MEMBRANE GRAFTED WITH THEOPHYLLINE-IMPRINTED COPOLYMER** > Page Range: p.167-186 > Author(s): Mohd Redza Abd Rahman; Ida Idayu Muhamad; Siti Nur Hidayah Mohamad; Norhayati Pa'e > File size: 345K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-3&JournalID=101974&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.3 > > **Abstract** > Benzyl diethyl dithiocarbamate is immobilised on a composite bacterial cellulose chitosan membrane via a silane coupler. This treated membrane is grafted with theophylline-imprinted copolymer of methacrylic acid and ethylene glycol dimethacrylate by ultraviolet irradiation. The highest degree of grafting obtained is 0.3334% for r (weight ratio of monomers to bacterial cellulose-chitosan membrane) equal to 3.244 in mmol/ml. The synthesised membrane is prepared by using 0.5% chitosan solution containing 15.0% PEG and evaporating the solution for 2.5 hour after coating at room temperature. The relative flux of 3.69 L/m2.h at 12.5 bar is obtained. The average pore diameters are 135 A in dry state and 404 A in wet state. The chitosan and polyethylene glycol contents have a significant effect on membrane porosity and the flow rate of water through the membrane. The membrane tensile strength is larger than the plain bacterial cellulose support, in both wet and dry states. 25 Refs. > > > > --- > > > **Title: COMBINED EFFECT OF ALKALI AND SILANE TREATMENTS ON TENSILE AND IMPACT PROPERTIES OF ROYSTONEA REGIA NATURAL FIBER REINFORCED EPOXY COMPOSITES** > Page Range: p.187-196 > Author(s): Govardhan Goud; Rao R N > File size: 246K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-3&JournalID=101975&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.3 > > **Abstract** > Effect of fibre content and combined effect of alkali and silane coupling agent treatments on tensile and impact properties of unidirectional roystonea regia natural fibre reinforced epoxy based partially bio degradable composites is reported. The reinforcement roystonea regia fibre was collected from the foliage of royal palm tree. To overcome the problems of poor fibre/matrix interface bonding, alkali and silane treatments have been applied to fibres to process the composites. Alkali treatment has been found to be more effective in improving the tensile properties than the silane treatment; however mixed treatment further slightly improved the properties. In general, the impact strength of all the treated fibre composites decreased compared to the untreated fibre composites; however, the silane treated fibre composites have shown higher impact strength followed by alkali treated fibre composites. Morphology of composites examined by scanning electron microscopy has also been reported. 14 Refs. > > > > --- > > > **Title: MORPHOLOGICAL, PHYSICO-MECHANICAL AND THERMAL PROPERTIES OF BANANA PLANT FIBERS (MUSA SAPIENTUM)** > Page Range: p.197-206 > Author(s): Aseer J R; Sankaranarayanasamy K; Jayabalan P > File size: 169K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-3&JournalID=101976&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.3 > > **Abstract** > Environmental consciousness and increasing awareness of green technology have stirred the entire gamut of industry to move towards new materials instead of using conventional synthetic polymeric fibres. They are both a responsible and a sustainable choice. Natural fibre can be a good substitute as they are available in fibrous form at low cost. The work presented here deals with banana fibres (Musa Sapientum) which are extracted from the stem of the banana plant. The microstructure, physical and mechanical properties are investigated. The diameter and density of the fibres are 0.15 mm and 1.36 g/cm3 respectively. Tensile test results show that tensile strength is in the range of 345-520 MPa. The fracture mode of fibres after tensile testing are investigated through Scanning electron microscope images (SEM). Thermogravimetric analysis (TGA) shows that thermal stability of banana fibre is up to 252 deg C. 19 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc1-4/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: STRUCTURE AND PROPERTIES OF STYRENE-BUTADIENE RUBBER/MODIFIED HECTORITE CLAY NANOCOMPOSITES Page Range: p.207-224 Author(s): Bharadwaj P; Pratibha Singh; Pandey K N; Vishal Verma; Srivastava S K File... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc1-4/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: STRUCTURE AND PROPERTIES OF STYRENE-BUTADIENE RUBBER/MODIFIED HECTORITE CLAY NANOCOMPOSITES** > Page Range: p.207-224 > Author(s): Bharadwaj P; Pratibha Singh; Pandey K N; Vishal Verma; Srivastava S K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-4&JournalID=102050&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.4 > > > > **Abstract** > Nanocomposites of styrene-butadiene rubber reinforced with modified hectorite clay as nano reinforcement have been processed by solution blending. Hectorite has been modified by octadecyl amine (O-Hc); by grafting with silane coupling agent N-(3-trimethoxysilyl) propyl ethylene diamine (S-Hc) and by both methods (OS-Hc) to be used as a nano reinforcement material. Styrene-butadiene rubber nanocomposites based on Octadecyl amine (O-Hc) modified nanoclay; silane coupling agent N-(3-trimethoxysilyl) propyl ethylene diamine grafted nanoclay (S-Hc); and nanoclay modified by both methods (OS-Hc); as reinforcers show improved mechanical properties, as compared to styrene-butadiene-rubber. 61 Refs. > > > > --- > > > **Title: INFLUENCE OF AMOUNT OF MAPE COMPATIBILISER ON TENSILE PROPERTIES OF HARDWOOD FIBER REINFORCED HIGH DENSITY POLYETHYLENE COMPOSITE** > Page Range: p.225-228 > Author(s): Ogunsile B O; Palsule S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-4&JournalID=102051&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.4 > > **Abstract** > 30/70 Wood fibre/high density polyethylene (30/70 WF/HDP) composites processed with 1.5% maleic anhydride grafted polyethylene (MAPE) as compatibiliser show acceptable tensile modulus and tensile strength, comparable with that of composites processed with 3% compatibiliser. Increasing the amount of MAPE compatibiliser does not appear to improve tensile strength of the WF/ PE composites and highlights the need to optimise the amount of compatibiliser for efficient wood/polyethylene composites. 8 Refs. > > > > --- > > > **Title: ENVIRONMENT FRIENDLY COMPOSITES OF RECYCLED HARDWOOD FIBER REINFORCED POLYPROPYLENE** > Page Range: p.229-246 > Author(s): Priyanka; Anshu Anjali Singh; Kishor Biswas > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-4&JournalID=102052&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.4 > > **Abstract** > Environmentally friendly recycled hardwood fibre (RHWF) reinforced polypropylene (PP) composites (RHWF/PP) have been processed by using maleic anhydride rafted polypropylene (MAPP - polypropylene with 2% maleic anhydride grafting on it) as compatibiliser. RHW fibre was obtained by recycling chemically pulped hardwood fibre based paper, and has better strength as compared to recycled newspaper fibre produced by mechanical pulping. Tensile, flexural and impact properties of the composites are higher than those of the PP matrix, increase with increasing amounts of fibre in the composites, and are better than those of literature reported recycled newspaper fibre/polypropylene composites. Fibre/ matrix interfacial adhesion in these composites has been evaluated by scanning electron microscope and Fourier transform infra-red spectroscopy. 37 Refs. > > > > --- > > > **Title: DIFFUSION AND TRANSPORT BEHAVIORS OF ALIPHATIC PROBE MOLECULES THROUGH UNTREATED AND TREATED METAKAOLIN FILLED NATURAL RUBBER COMPOSITES** > Page Range: p.247-266 > Author(s): Rohini Thimmaiah S; Siddaramaiah > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-4&JournalID=102053&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.4 > > **Abstract** > Molecular transport of a series of aliphatic probe molecules (hexane, heptane and decane) through untreated and silane treated metakaolin (MK) filled cured natural rubber (NR) composite membranes has been studied in the temperature range 25-60 deg C using the sorption-gravimetric method. The coefficients of sorption (S), diffusion (D), and permeation (P) have been calculated for elastomeric membrane-aliphatic penetrant systems. Significant increases in the diffusion and permeation coefficients were observed with increase in the temperature of sorption experiments. In all of the elastomeric-probe molecule systems, the transport phenomenon was found to follow the non-Fickian mode of transport. From the temperature dependence of diffusion and permeation coefficients, the Arrhenius activation parameters, such as the activation energy for diffusion (ED) and permeation (EP) processes, have been estimated. Furthermore, the sorption results have been interpreted in terms of thermodynamic parameters such as change in enthalpy (eH) and change in entropy (HS). 27 Refs. > > > > --- > > > **Title: CONSTANTS IN PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES** > Page Range: p.267-274 > Author(s): Palsule S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-4&JournalID=102054&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 1 > Issue No: No.4 > > **Abstract** > Palsule equation for tensile Modulus of short fibre reinforced polymer composites has been derived as the first equation that accounts for the aspect ratio of reinforcement as follows: Ec cKL [EmVm mEfVf]VKT [(Ef + lambdaEm) +lambdaVf (Ef-Em / (Ef +lambdaEm) - psiVf (Ef -Em)]. This study demonstrates that Palsule equation predicts the Young's modulus of a short fibre reinforced polymer composite, more accurately, if KL and KT and not assigned fixed values of 1/8 and 1/4 respectively; and depending upon fibre distribution in the composite, the value of KL may vary between 1/2 and 1/8, and of KT may vary between 1/2 and 1/8. 16 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc2-1/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MACROMOLECULAR MICRO COMPOSITES: FUNDAMENTALS AND A SYSTEM OF A BLEND OF POLYAMIDE-IMIDE / POLYETHERIMIDE Page Range: p.1-16 Author(s): Sanjay Palsule; Kuldeep Nagar; Shyopat Ram; Himanshu Shekhar... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc2-1/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MACROMOLECULAR MICRO COMPOSITES: FUNDAMENTALS AND A SYSTEM OF A BLEND OF POLYAMIDE-IMIDE / POLYETHERIMIDE** > Page Range: p.1-16 > Author(s): Sanjay Palsule; Kuldeep Nagar; Shyopat Ram; Himanshu Shekhar > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-1&JournalID=102169&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No. 1 > > > > **Abstract** > A new concept of a 'Macromolecular Micro Composite' is proposed as a melt processable and thermodynamically miscible blend of a flexible polymer and a quasi-rigid polymer in which the flexible polymer is molecularly reinforced by a quasi-rigid macromolecule offering synergistic properties and improved mechanical properties as compared to those of the constituent flexible polymer. Fundamentals are presented and the concept is established, herewith, by melt processing a miscible macromolecular micro composite of flexible polyetherimide reinforced by quasi rigid polyamide-imide with improved mechanical properties as compared to those of flexible polyether-imide. Advantages of macromolecular micro composites over molecular composites, self reinforced blends, and other molecularly reinforced polymer blends are discussed. 23 Refs. > > > > --- > > > **Title: INFLUENCE OF MWCNTS AS SECONDARY REINFORCEMENT MATERIAL IN GLASS FIBER/EPOXY COMPOSITES FABRICATED USING VARTM** > Page Range: p.17-26 > Author(s): Saad Anas; Ghufran Ur Rehman; Zaffar Mohammad Khan; Noaman Ul-Haq; Muhammad Bilal Khan; Saad Nauman; Muhammad Shahid; Ali Nasir > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-1&JournalID=102170&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No. 1 > > **Abstract** > Effects of multi-walled carbon nano tubes (MWCNTs) - as secondary reinforcements - on tensile strength, fibre-matrix bonding and interaction with the coupling agent in glass fibre/epoxy composite have been reported. Composites have been fabricated by a lab scale vacuum assisted resin transfer moulding (VARTM) according to ASTM D-638 standard. Pristine CNTs are usually not so effective, but with the interaction of silane coated glass fabric, interfacial reinforcing between matrix and fibres has been found to take place and that increases the toughness as well as the tensile properties by enhancing the interfacial strength between the fabric and the matrix. The increase in tensile strength of about 27% was observed from experimental values using only 0.3% weight percent of CNTs in epoxy. FTIR analysis confirmed the Si-O-C linkage and SEM results showed good adhesion of fibres with matrix confirming the enhancement of interface. 21 Refs. > > > > --- > > > **Title: OIL PALM MESOCARP PARTICLES REINFORCED CASHEW NUT SHELL NOVOLAC RESIN COMPOSITES** > Page Range: p.27-36 > Author(s): Obasi H C; Igwe I O; Onyeagoro G N; Obidiegwu M U; Anyanwu P I > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-1&JournalID=102171&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No. 1 > > **Abstract** > Oil palm mesocarp particle (OPMP) reinforced cashew nut shell Novolac resin (CNSR) composites (OPMP/CNSR) have been processed at different filler contents (0 to 25 wt%) and particle sizes (400 (mu)m, 500 (mu)m and 600 (mu)m). Both the amount of reinforcement and particle size influence the Young's modulus, tensile strength, elongation at break, flexural strength, flexural modulus, and water absorption of OPMP/CNSR composites. The optimum properties were observed at 20 wt% filler content and 400 (mu)m particle sizes. 23 Refs. > > > > --- > > > **Title: OPTIMIZATION OF WHEAT STRAW FIBRES/PHENOL FORMALDEHYDE COMPOSITES** > Page Range: p.37-44 > Author(s): Mohit Kumar; Akhouri Sanjay Kumar Sinha > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-1&JournalID=102172&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No. 1 > > **Abstract** > Wheat straw fibres obtained by soda pulping process have been used to reinforce phenol formaldehyde resin to develop wheat straw fibre/phenol formaldehyde (WS/PF) composites. The optimisation of important process parameters like temperature, pressure, time and fibres percentage in the composites has been performed. The minimum and maximum process parameters have been worked out, and finally response surface methodology has been used to optimize the process conditions to get best properties of the WS/PF composite. The experimental design has variation range of temperature from 95oC to 195oC, pressure from 0 to 31 MPa, time from 15 to 82 minutes and weight percentage of wheat straw fibres from 10 to 100. The optimized results show good strength properties at 148oC temperature, 48 minutes time, 33.5 MPa pressure and 58 weight percent fibres in the composite. Density of the composite material has been found to vary from 1.25 to 1.38 gm/cm3. 13 Refs. > > > > --- > > > **Title: ON THE DIFFERENCES BETWEEN CORD-RUBBER COMPOSITES AND FIBER REINFORCED POLYMER COMPOSITES** > Page Range: p.45-58 > Author(s): Gurvich M R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-1&JournalID=102173&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No. 1 > > **Abstract** > Approaches and computational capabilities in structural modelling of cord-rubber composites (CRC) are often based on similar well established solutions for fibre reinforced polymer composites (FRP). Although there are many similarities between CRC and FRP, there are crucial distinctions in their structural behaviour and, therefore, in their modelling. This study presents a systematic review of these differences, aims to understand their nature, and provides their quantitative estimations for typical CRC materials. Major explanations of the differences are proposed. Among others, the following issues are discussed in detail: nonlinearity and incompressibility of matrix, relatively big size of cords, relatively low stiffness of rubber, and deformation mechanisms of laminated CRC. The differences are discussed at several scales of structural modelling: components, micro-mechanics of uni-directional CRC, macro-mechanics of CRC, and laminated CRC. Finally, representative numerical results are demonstrated for typical CRC materials to emphasize important observations and explain their impact on predictive accuracy and confidence. 17 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc2-2/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EFFECT OF DIFFERENT CARBON NANOSTRUCTURES ON THE PROPERTIES OF NATURAL RUBBER NANOCOMPOSITES Page Range: p.59-78 Author(s): Al-Hartomy O A; Al-Ghamdi A A; Farha Al Said A... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc2-2/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EFFECT OF DIFFERENT CARBON NANOSTRUCTURES ON THE PROPERTIES OF NATURAL RUBBER NANOCOMPOSITES** > Page Range: p.59-78 > Author(s): Al-Hartomy O A; Al-Ghamdi A A; Farha Al Said A S; Dishovsky N; Rossitsa Shtarkova; Vladimir Iliev > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102225&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.2 > > > > **Abstract** > Natural rubber (NR) based nanocomposites with different fillers (fullerene, carbon nanotubes (CNT) and graphene (GNP)) in concentrations from 2 to 10 phr have been prepared. Their coefficients of absorption and reflection of the electromagnetic waves and electromagnetic interference shielding effectiveness have been investigated in the 1-12 GHz frequency range. The high conductivity, small diameter, high aspect ratio, and high electrical and thermal conductivity of studied carbon nanofillers make them an excellent option to create conductive composites for high-performance EMI shielding materials in the frequency range 1-7 GHz at low filling concentration. 58 Refs. > > > > --- > > > **Title: POLYPHOSPHAZENE COATED MULTI WALL CARBON NANOTUBES REINFORCED POLYCHLOROPRENE NANOCOMPOSITES** > Page Range: p.79-84 > Author(s): Singh Y P; Pratibha Singh; Pandey K N; Vishal Verma; Vijai Kumar > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102226&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.2 > > **Abstract** > Polyphosphazene coated MWCNT reinforced polychloroprene rubber (CR) based nanocomposites with a sulphur/accelerator vulcanisation system at 150 deg C have been processed. 0.3 weight% reinforcement imparts some good properties. Scanning electron microscopy (SEM) indicates that the coated MWCNT's are dispersed with enhanced reinforcement/rubber adhesion. Composites showed higher mechanical properties compared to the matrix. TGA thermograms show some enhancement in the thermal stability of the composites as compared to the polychloroprene matrix. 4 Refs. > > > > --- > > > **Title: MODIFIED NANO-CACO3 REINFORCED TERNARY BLEND BASED BLOWN FILMS OF LLDPE/LDPE/PLA/MA-G-PE** > Page Range: p.85-96 > Author(s): Rahul Kumar; Pradeep Upadhyaya; Navin Chand > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102227&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.2 > > **Abstract** > Ternary blend system of linear low density polyethylene (LLDPE), low density polyethylene (LDPE) and poly lactic acid (PLA) compatibilised with maleic anhydride grafted polyethylene (MA-g-PE) has been reinforced by chemically modified nano calcium carbonate (nano-CaCO3). The mechanical, optical, thermal and morphological properties of the reinforced ternary blend have been evaluated. Mechanical properties are superior at 1 phr of nano-CaCO3 filler, except elongation at break and burst strength. Optical properties study indicates that haze and transmittance have been affected due to the nucleating effect of nano-CaCO3 on the matrix. SEM micrographs show reasonably well bonding between the matrix and the reinforcement material. 9 Refs. > > > > --- > > > **Title: THERMAL PROPERTIES OF JUTE FIBER REINFORCED CHEMICALLY FUNCTIONALIZED HIGH DENSITY POLYETHYLENE (JF/CFHDPE) COMPOSITES DEVELOPED BY PALSULE PROCESS** > Page Range: p.97-108 > Author(s): Anshu Anjali Singh; Sanjay Palsule > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102228&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.2 > > **Abstract** > Jute fibre reinforced chemically functionalised high density polyethylene composites developed by Palsule process, without using any compatibiliser, and without any fibre treatment exhibit good thermal stability. The initiation of degradation of the JF/CF-HDPE composites is at temperatures intermediate between those of temperatures of initiation of degradation of the fibre and the matrix. The maximum degradation temperature of all the composite compositions are higher that of the matrix, and increase with increasing Jute fibre content. The temperatures of highest rate of degradation of 10/90, 20/80 and 30/70 JF/ CF-HDPE composites are 483 deg C, 485 deg C and 488 deg C respectively, and at 550 deg C the composite compositions show the residual mass of 4.3%, 5.8% and 7% respectively.22 Refs. > > > > --- > > > **Title: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES OF COCONUT FIBER REINFORCED POLYPROPYLENE COMPOSITES WITH 2% MAPP AS A COMPATIBILIZER** > Page Range: p.109-118 > Author(s): Anshu Anjali Singh; Priyanka Biswas; Kishor Biswas > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102229&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.2 > > **Abstract** > Coconut fibres reinforced polypropylene composites processed by extrusion with 2% MAPP - maleic anhydride grafted polypropylene as compatibiliser show about 10 to 20% improved tensile strength and tensile modulus as compared to that of the polypropylene matrix due to fibre/matrix interfacial adhesion resulting from compatibilising effect of MAPP. Scanning electron microscopy shows coconut fibres deeply embedded in polypropylene matrix with good interfacial adhesion. The melting temperatures of the CNF/PP composites are same as that of PP and are around 170 deg C. 14 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc2-3/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Flame retardant composite of fibre glass-reinforced epoxy waste particles/polypropylene and its modeling Page Range: p.119-130 Author(s): Onuoha F N; Ohanuzue C B C File size: Download... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc2-3/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Flame retardant composite of fibre glass-reinforced epoxy waste particles/polypropylene and its modeling** > Page Range: p.119-130 > Author(s): Onuoha F N; Ohanuzue C B C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102317&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.3 > > > > **Abstract** > Fibreglass reinforced epoxy (FGRE) composite wastes particles reinforced polypropylene has been developed and its modelling has been performed. FGRE wastes were ground and treated with latex to reduce itching of fibreglass and then dried and reground to obtain the powdered particulates that were used as reinforcements for polypropylene. The reinforcements have been size-classified as 150, 200, 250 and 300 microns and the composites have been injection moulded. Heat release rate and other flame properties have been evaluated by Oxygen Bomb Calorimeter. Ignition time, flame propagation rate, combustion time, heat of combustion and heat release rate have been measured. Results indicate that ignition time, combustion time and heat of combustion increase with increase in the amounts of FGRE particulate reinforcements, but the flame propagation rate and heat release rate decrease. FGRE waste particles give outstanding ignition time with increasing reinforcement contents in the composites, and therefore use of FGRE waste as reinforcement material in place of cheese wood fibre in polyolefin would help reduce deforestation and add value to the economy. Models have been developed. 9 Refs. > > > > --- > > > **Title: Coated multiwall carbon nano tube reinforced epoxy composite with zinc borate additive and its flame retarding properties** > Page Range: p.131-140 > Author(s): Deepak Kumar; Pandey K N; Vishal Verma; Mishra R M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102318&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.3 > > **Abstract** > Composites of epoxy reinforced by polycarbosilane derived -silicon carbide coated multi wall carbon nano tubes (PCS-MWCNT) with zinc borate additive have been developed. With increasing reinforcement material, the composites exhibit decrease in tensile strength, flexural strength and impact strength but show an increase in tensile modulus, flexural modulus and thermal stability. SEM shows uniform and homogeneous dispersion of PCS-MWCNTs throughout the epoxy matrix. Flame retarding properties and limiting oxygen index of the composites improves with addition of zinc borate. 21 Refs. > > > > --- > > > **Title: Polypropylene/wood flour and wheat husk hybrid composites** > Page Range: p.141-150 > Author(s): Pradeep Upadhyaya; Manoj Garg; Smita Mathur; Vijai Kumar; Nema A K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102319&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.3 > > **Abstract** > Wood flour and wheat husk have been treated using sodium hydroxide (NaOH) and benzoyl chloride and used with maleic anhydride-grafted polypropylene (MAgPP) and titanate coupling agent emulsion as reinforcement for polypropylene based hybrid composites with 10 to 50% reinforcements with equal amounts of wood flour and wheat husk. Density, melt flow index, heat deflection temperature, melting temperature and thermal degradation of the composites have been investigated along with reinforcement/matrix interactions. Density and heat deflection temperature of the composites increase with increasing contents of reinforcements, but melt flow index decreases. Melting and crystallisation temperatures are almost the same as those of the matrix. 18 Refs. > > > > --- > > > **Title: Chitosan reinforced bisphenol-A glycidyldimethacrylate (BisGMA)/polyvinyl pyrrolidone (PVP) blend based composites** > Page Range: p.151-166 > Author(s): Praharaj A P; Behera D; Bastia T K; Rout A K; Rath P; Mohanty P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102320&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.3 > > **Abstract** > Chitosan (0, 10, 20, 30, 40, 50 wt%) reinforced 50/50 Bisphenol-A glycidyldimethacrylate (BisGMA)/polyvinyl pyrrolidone (PVP) blend based composites have been processed. Their tensile strength, Young's modulus, impact strength and hardness increase with increasing loading of chitosan, reach an optimum at 40 wt% and thereafter decrease with further increase in chitosan loading, whereas elongation at break decreases with chitosan content. Chemical resistance and ageing studies of the composites have been reported. 34 Refs. > > > > --- > > > **Title: Coconut fiber reinforced high density polyethylene composites by compatibilizer process** > Page Range: p.167-176 > Author(s): Anshu Anjali Singh; Kishor Biswas; Dinesh Priyanka; Sanjay Palsule > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102321&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.3 > > **Abstract** > Coconut fibre (CNF) reinforced high density polyethylene (HDPE) composites have been processed using maleic anhydride grafted high density polyethylene as compatibilisers by twin extrusion and injection moulding. Successful formation of the CNF/HDPE composites - evident from increasing mechanical properties of composites with increasing CNF in them - appears to have resulted from good fibre/matrix interfacial adhesion in CNF/HDPE composites due to the use of 1.2% maleic anhydride grafted high density polyethylene (MA-g-HDPE) as a compatibilisers. Mechanical properties of the composites decrease after moisture absorption. 10 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/applied-polymer-composites/apc2-4/ # Applied Polymer Composites > Applied Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Investigations on the 3D laser cutting of CFRP using a nanosecond pulse fibre laser Page Range: p.177-192 Author(s): Herzog D; Canisius M; Schmidt-Lehr M; Hergoss P;... Canonical URL: https://polymerjournals.com/journals/applied-polymer-composites/apc2-4/ # Applied Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Investigations on the 3D laser cutting of CFRP using a nanosecond pulse fibre laser** > Page Range: p.177-192 > Author(s): Herzog D; Canisius M; Schmidt-Lehr M; Hergoss P; Daniel C; Sina Hallmann; Emmelmann C; Scherner M V > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102467&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.4 > > > > **Abstract** > Laser cutting of carbon fibre reinforced plastics (CFRP) has proven to be a wear-free alternative especially for cutting thinner laminates up to 2-3 mm. Laser cutting of CFRP currently requires a trade-off between manufacturing speed and quality. This study deals with an intermediate laser cutting approach using a nanosecond short pulse laser with high average power to find a compromise between manufacturing speed and quality. Experiments have shown that the material removal rate is directly proportional to the average power for intensities above the ablation threshold. It is also demonstrated that for a certain average power the ablation rate stays constant, regardless of the combinations of pulse frequency and pulse energy. The process has been found to yield acceptable effective cutting speeds while at the same time the heat affected zone is in the range of less than 10 (mu)m for laminates of 1 mm thickness. After understanding the 2D process, it has been transferred to a CFRP bottle cage which was chosen as a reference 3D application. For this purpose, the effect of the angle of incidence on the cutting process has been investigated, to show what kind of curvatures can be tolerated within the processing plane and when a repositioning of the part is necessary. It has been demonstrated that the process itself is fully suitable for 3D cutting, and that a cost-efficient process can be achieved when not only the process but also interdependencies with the machine system, material and part design are taken into account. 21 Refs. > > > > --- > > > **Title: Characterization of polydimethyl siloxane-colemanite composite pastes** > Page Range: p.193-212 > Author(s): Pinar Turan Beyli; Mehmet Dogan; Mahir Alkan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102468&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.4 > > **Abstract** > Composite pastes have been prepared with colemanite powders and linear, nonreactive polydimethyl siloxane. Solid:liquid ratio, particle size and temperature effects on the rheological properties of composite pastes have been studied using Rosand RH10 capillary rheometer. The resulting ceramic composites have been characterised by DTA/TG, Scanning Electron Microscope (SEM) and XRD. The paste exhibited a non-Newtonian and a pseudoplastic rheological behaviour. At a certain particle size distribution the shear viscosity of paste increased with increasing solid concentration. It was found that pastes behave as a shear thinning fluid in the temperature range of 30-75 deg C and was successfully described by the Power-law model. Power law index n was approx. 0.5 which means the paste is a non-Newtonian material. The consistency coefficient of pastes increased with increasing solid level and decreasing temperature. All solid colemanite particles were covered with polydimethyl siloxane and a homogenous composite material was obtained. 19 Refs. > > > > --- > > > **Title: Poly(vinylpyrrolidone) coated multiwalled carbon nanotubes reinforced BisGMA nanocomposites** > Page Range: p.213-228 > Author(s): Praharaj A P; Dibakar Behera; Bastia T K; Arun Kumar Rout > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102469&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.4 > > **Abstract** > Polyvinylpyrrolidone (PVP)-coated multiwalled carbon nanotubes (MWCNTs), prepared via solvent-casting method have been used for the fabrication of BisGMA (Bisphenol-A glycidyldimethacrylate) nanocomposites with PVP-coated MWCNT contents of 2, 5, 7, 10, 12 weight per cent. Fourier transform infrared spectroscopy indicates successful coating of PVP onto MWCNTs and scanning electron microscopy shows the dispersion of nanofillers in the matrix. 45% increase in tensile strength, 25% increase in Young's Modulus and improved thermal conductivity, dielectric strength and dielectric constant is observed for 10 wt% nanofiller loading. The volume conductivity and surface conductivities increased by 1.0 E-10 S/cm and 1.0 E-9 S for the same level of filler loading. The corrosive and water absorption properties of the composites are also reported. 18 Refs. > > > > --- > > > **Title: Effect of water absorption on coconut fibre reinforced functionalized polyethylene composites developed by palsule process** > Page Range: p.229-238 > Author(s): Anshu Anjali Singh; Sanjay Palsule > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102470&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.4 > > **Abstract** > 10/90, 20/80 and 30/70 CNF/CF-HDPE - Coconut fibre (CNF) reinforced chemically functionalised high density polyethylene composites developed by Palsule process were immersed in distilled water at room temperature for 6600 hours. The amount of water absorbed by the CNF/CF-HDPE composites immersed in the water, increases with increasing amounts of the reinforcing coconut fibres in the composites. Tensile modulus and tensile strength of the water absorbed wet CNF/CF-HDPE composites are lower than those of the dry composites; but are higher than the dry and wet CF-HDPE matrix. 9 Refs. > > > > --- > > > **Title: Effect of TiO2 as particulate reinforcement on mechanical properties of coir fibre reinforced epoxy composites** > Page Range: p.239-244 > Author(s): Sankalp Dixit; Savita Dixit > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102471&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.4 > > **Abstract** > Effect of titanium dioxide (TiO2) as particulate reinforcement on some properties of coir fibre reinforced epoxy composite is investigated. This study reveals that incorporation of titania (TiO2) particulates as reinforcement results in enhancement of mechanical properties of coir-epoxy composites that decrease upon exposure of the composites to UV radiations. 1 Refs. > > > > --- > > > **Title: beta silicon carbide coated MWCNTs reinforced polyetherimide nanocomposites** > Page Range: p.245-252 > Author(s): Nitin Nagar; Pandey K N; Pratibha Singh; Vishal Verma; Mishra R M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102472&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Applied Polymer Composites > Issue Year: apc > Volume: 2 > Issue No: No.4 > > **Abstract** > Polycarbosilane derived beta silicon carbide coated multi wall carbon nanotubes (MWCNTs) reinforced polyetherimide (PEI) nano-composites (with 0.1 to 0.3 phr coated MWCNTs reinforcements) have been fabricated by a sigma high temperature internal mixer followed by compression. Scanning electron microscopy (SEM) shows uniform and homogeneous dispersion of the coated MWCNTs in polyetherimide matrix, due to interfacial adhesion between the coated MWCNTs and the PEI matrix. Increasing mechanical properties of coated MWCNT/PEI nanocomposites with increasing amounts of coated MWCNTs in their compositions, confirm reinforcing effect of MWCNTs in PEI matrix in coated MWCNT/PEI nanocomposites. Thermo gravimetric analysis shows that the thermal stability of coated MWCNT/PEI nanocomposites is same as of PEI. 9 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/cellular-polymers/ # Cellular Polymers > Cellular Polymers Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Click Here To Logout Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2421 2017 Subscription Rate: £455 Cellular Polymers Vol. 36, No.5, 2017 View this issue Cellular Polymers Vol. 36,... 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Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2421 2019 Subscription Rate: £455 Cellular Polymers Vol. 37, No.3, 2018 View this issue Cellular Polymers Vol. 37, No.2, 2018 View this... Canonical URL: https://polymerjournals.com/journals/cellular-polymers/ # Cellular Polymers | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://cp.jpg) > ISSN (electronic copy): 1478-2421 > 2019 Subscription Rate: £455 > > > |  | | | > | --- | --- | --- | > | Cellular Polymers Vol. 37, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 37, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 37, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 36, No.6, 2017 | ![](http://view1.gif) | [View this 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No.6, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp33-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 33, No.5, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp33-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 33, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp33-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 33, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp33-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 33, No. 2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp33-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 33, No.1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp33-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 32, No.6, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp32-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 32, No.5, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp32-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 32, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp32-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 32, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp32-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 32, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp32-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 32, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp32-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 31, No.6, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp31-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 31, No.5, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp31-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 31, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp31-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 31, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp31-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 31, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp31-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 31, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp31-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 30, No.6, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp30-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 30, No.5, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp30-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 30, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp30-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 30, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp30-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 30, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp30-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 30, No.1, 2011 | ![](http://view1.gif) | [View this 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Cellular Polymers Vol. 26, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp26-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 25, No. 6, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp25-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 25, No. 5, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp25-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 25, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp25-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 25, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp25-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 25, No. 2, 2006 | ![](http://view1.gif) | [View this 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Vol. 23, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp23-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 23, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp23-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 22, No. 6, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp22-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 22, No. 5, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp22-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 22, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp22-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 22, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp22-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 22, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp22-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 22, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp22-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 21, No. 6, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp21-6&JIP=) | > |  | | | > | Cellular Polymers Vol. 21, No. 5, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp21-5&JIP=) | > |  | | | > | Cellular Polymers Vol. 21, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp21-4&JIP=) | > |  | | | > | Cellular Polymers Vol. 21, No. 3, 2002 | ![](http://view1.gif) | [View this 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![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp20-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 20, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp20-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 20, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp20-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Cellular Polymers Vol. 37, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-3&JIP=) | |  | | | | Cellular Polymers Vol. 37, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-2&JIP=) | |  | | | | Cellular Polymers Vol. 37, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-1&JIP=) | |  | | | | 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https://polymerjournals.com/journals/cellular-polymers/ # Cellular Polymers > This journal hub focuses on foams, porous structures, light-weighting strategies, and the mechanics of cellular polymer systems.Issue pages and article pages remain easy to browse through this modern presentation. Canonical URL: https://polymerjournals.com/journals/cellular-polymers/ This journal hub focuses on foams, porous structures, light-weighting strategies, and the mechanics of cellular polymer systems. Issue pages and article pages remain easy to browse through this modern presentation. --- Source: https://polymerjournals.com/journals/cellular-polymers/ # Cellular Polymers > View Journal Cellular Polymers This journal deals not only with every type of foamed polymer, from elastomeric materials to rigid plastics, but also raw materials, the manufacturing processes and also application technology. Cellular Polymers is concerned primarily with the science of foamed... Canonical URL: https://polymerjournals.com/journals/cellular-polymers/ [View Journal](http://journals.asp?journaltype=cp) # Cellular Polymers | ![Cellular Polymers Journal](http://cp.jpg) This journal deals not only with every type of foamed polymer, from elastomeric materials to rigid plastics, but also raw materials, the manufacturing processes and also application technology. Cellular Polymers is concerned primarily with the science of foamed materials, the technology and state of the art for processing and fabricating, the engineering techniques and principles of the machines used to produce them economically, and their applications in varied and wide ranging uses where they are making an increasingly valuable contribution. Potential problems for the industry are also covered, including fire performance of materials, CFC replacement technology, recycling and environmental legislation. Reviews of technical and commercial advances in the manufacturing and application technologies are also included. Cellular Polymers covers these and other related topics and also pays particular attention to the ways in which the science and technology of cellular polymers is being developed throughout the world. Edited by **Prof V. Kumar**, University of Washington, USA Sign up online today. Single user access is available by password/id. For site wide access, please contact Kate Evans () for a site license price. | | --- | --- Source: https://polymerjournals.com/journals/cellular-polymers/ # Cellular Polymers > Cellular Polymers Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2421 2019 Subscription Rate: £455 Cellular Polymers Vol. 37, No.3, 2018 View this issue Cellular Polymers Vol. 37, No.2, 2018 View this... Canonical URL: https://polymerjournals.com/journals/cellular-polymers/ # Cellular Polymers | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://cp.jpg) > ISSN (electronic copy): 1478-2421 > 2019 Subscription Rate: £455 > > > |  | | | > | --- | --- | --- | > | Cellular Polymers Vol. 37, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-3&JIP=) | > |  | | | > | Cellular Polymers Vol. 37, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-2&JIP=) | > |  | | | > | Cellular Polymers Vol. 37, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=cp&JournalIssue=cp37-1&JIP=) | > |  | | | > | Cellular Polymers Vol. 36, No.6, 2017 | ![](http://view1.gif) | [View this 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Canonical URL: https://polymerjournals.com/journals/international-polymer-science-technology/ # International Polymer Science and Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.**   [Click Here To Logout](http://journals.asp?Page=111&Action=JournalLogout) > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://ipsat.jpg) > ISSN (electronic copy): 1478-2405 > 2017 Subscription Rate: £1,065 > > > |  | | | > | --- | --- | --- | > | International Polymer Science and Technology Vol. 44, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.2, 2017 | ![](http://view1.gif) 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and Technology Vol. 42, No.7, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.6, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.5, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.12, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.11, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.10, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.9, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.8, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.7, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.6, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 41, No.5, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat41-5&JIP=) | > | 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39, No.8, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.7, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.6, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.5, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 39, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat39-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.12, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.11, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.10, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.9, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.8, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.7, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.6, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.5, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 38, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat38-1&JIP=) | > | 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No.5, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat36-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 36, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat36-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 36, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat36-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 36, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat36-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 36, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat36-1&JIP=) | > |  | | | > | International Polymer Science and Technology 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> |  | | | > | International Polymer Science and Technology Vol. 30, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat30-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 30, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat30-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 30, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat30-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 30, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat30-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 29, No. 12, 2002 | ![](http://view1.gif) | [View this 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Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2405 2019 Subscription Rate: £1,065 International Polymer Science and Technology Vol. 45, No.3, 2018 View this issue International Polymer... Canonical URL: https://polymerjournals.com/journals/international-polymer-science-technology/ # International Polymer Science and Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://ipsat.jpg) > ISSN (electronic copy): 1478-2405 > 2019 Subscription Rate: £1,065 > > > |  | | | > | --- | --- | --- | > | International Polymer Science and Technology Vol. 45, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat45-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 45, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat45-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 45, No.1, 2018 | ![](http://view1.gif) | [View this 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![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.7, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.6, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.5, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.12, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.12, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.11, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.10, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.9, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.8, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.7, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.6, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.5, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.12, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.11, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.10, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.9, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.8, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.7, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.6, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.5, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.4, 2015 | ![](http://view1.gif) | [View this 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No. 4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat35-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 35, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat35-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 35, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat35-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 35, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat35-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 34, No. 12, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat34-12&JIP=) | > |  | | | > | International Polymer Science and 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Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2405 2019 Subscription Rate: £1,065 International Polymer Science and Technology Vol. 45, No.3, 2018 View this issue International Polymer... Canonical URL: https://polymerjournals.com/journals/international-polymer-science-technology/ # International Polymer Science and Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://ipsat.jpg) > ISSN (electronic copy): 1478-2405 > 2019 Subscription Rate: £1,065 > > > |  | | | > | --- | --- | --- | > | International Polymer Science and Technology Vol. 45, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat45-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 45, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat45-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 45, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat45-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.12, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.11, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.10, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.9, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.8, 2017 | 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No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 44, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat44-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.12, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.12, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.11, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.10, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.9, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.8, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.7, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.6, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.5, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-4&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-3&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-2&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 43, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat43-1&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.12, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-12&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.11, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-11&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.10, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-10&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.9, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-9&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.8, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-8&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.7, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-7&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.6, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-6&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.5, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat42-5&JIP=) | > |  | | | > | International Polymer Science and Technology Vol. 42, No.4, 2015 | ![](http://view1.gif) | [View this 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![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat29-1&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 12, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-12&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 11, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-11&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 10, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-10&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 9, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-9&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 8, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-8&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 7, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-7&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 6, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-6&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 5, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-5&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-4&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-3&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-2&JIP=) | |  | | | | International Polymer Science and Technology Vol. 28, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ipsat&JournalIssue=ipsat28-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journal-of-polymer-science/ # Journal of Polymer Science > Journal of Polymer Science works here as a topic hub inside Polymer Journals.This page helps capture polymer science searches while guiding readers into the broader chemistry, materials, and journal sections of the site.Explore the sitePolymers and Polymer CompositesPolymerization technologyAdvanced polymers for coatingsSearch... Canonical URL: https://polymerjournals.com/journal-of-polymer-science/ **Journal of Polymer Science** works here as a topic hub inside Polymer Journals. This page helps capture polymer science searches while guiding readers into the broader chemistry, materials, and journal sections of the site. ## Explore the site - [Polymers and Polymer Composites](https://polymerjournals.com/journals/polymers-and-polymer-composites/) - [Polymerization technology](https://polymerjournals.com/polymerization-technology/) - [Advanced polymers for coatings](https://polymerjournals.com/advanced-polymers-for-coatings/) - [Search the site](https://polymerjournals.com/search/) --- Source: https://polymerjournals.com/journals/ # Journals > Explore Polymer Journals by title, issue, and topic area.Polymers and Polymer CompositesCellular PolymersInternational Polymer Science & TechnologyProgress in Rubber, Plastics and Recycling TechnologyPolymers from Renewable ResourcesApplied Polymer CompositesReview Reports Canonical URL: https://polymerjournals.com/journals/ Explore Polymer Journals by title, issue, and topic area. - [Polymers and Polymer Composites](https://polymerjournals.com/journals/polymers-and-polymer-composites/) - [Cellular Polymers](https://polymerjournals.com/journals/cellular-polymers/) - [International Polymer Science & Technology](https://polymerjournals.com/journals/international-polymer-science-technology/) - [Progress in Rubber, Plastics and Recycling Technology](https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/) - [Polymers from Renewable Resources](https://polymerjournals.com/journals/polymers-from-renewable-resources/) - [Applied Polymer Composites](https://polymerjournals.com/journals/applied-polymer-composites/) - [Review Reports](https://polymerjournals.com/journals/review-reports/) --- Source: https://polymerjournals.com/search/ # Journals Search > Use the search form below to search articles, issues, and journal pages. Canonical URL: https://polymerjournals.com/search/ Use the search form below to search articles, issues, and journal pages. --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-6/ # MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES > Back Search Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-6/ ![](http://arrow.gif)[Back]()  [Search](http://search.asp) **Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES** Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101092&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Novel composites resins for civil engineering structures were synthesised. Resol phenolic resins were modified by the copolymerisation of phenol with cardanol (obtained from CNSL). The modified PF resins were synthesised at different proportions of phenol to cardanol and also of the total phenol to formaldehyde. The synthesis was carried out under alkaline conditions and with a maximum content of 40 wt.% of cardanol. The effect of the partial substitution of phenol by cardanol on the thermal and mechanical properties of the CPF resins was investigated. An increase in the content of cardanol resulted in a proportional increase in the flexibility and in the fracture toughness together with a decrease in the flexural modulus of the cured CPF resins. The higher toughening effect of replacing phenol with cardanol was obtained with the total P:F molar ratio of 1.0:1.25. Also a direct proportionality between the amount of cardanol content and the decrease in crosslink density of the resins was observed. Simultaneous TGA-FTIR studies of the resins were carried out and the emitted gases were identified. The results confirmed that the thermal stability and the temperature of degradation of the cured CPF resins decreased as the amount of cardanol content increased. Gas emissions during the pyrolysis of the CPF resins also increased. 44 Refs. --- **Title: ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE** Page Range: p.307-313 Author(s): Al-Mulla A; Al-Omairi L; Mathew J; Bhattacharya S File size: 253K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101093&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** The isothermal crystallisation kinetics of two different types of linear aromatic polyesters, namely poly(trimethylene terephthalate) (PTT), poly(butylene terephthalate) (PBT) and their blend with polycarbonate (PC) has been investigated using differential scanning calorimetry (DSC). The blend composed of PTT25/PBT25/PC50 (wt/ wt.%) was synthesised using a twin screw extruder. Isothermal studies for PTT were conducted between 129 and 159 °C. The temperature ranged between 168-177 °C for PBT and between 170 and 183 °C for the blend. Avrami, Tobin and Malkin models were used to estimate the crystallisation kinetic parameters, such as crystallisation rate order (n), crystallisation rate constant (k) and half time of crystallisation (t0.5). The values of average sum of square of errors (ASE) of all models were comparable. This detailed study indicates that the models investigated are suitable for describing the crystallisation kinetics of the blend and the neat polymers. 46 Refs. --- **Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66** Page Range: p.315-320 Author(s): Liu Y; Wang Q File size: 192K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101094&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Inorganic flame retardant, magnesium hydroxide (MH), was surface-modified through in-situ encapsulation of an organic nitrogen flame retardant, melamine cyanurate (MCA) by making use of the self-thickening effects during melamine-cyanurate self-assembly process. The obtained MH encapsulated by MCA (MCA-MH) was applied for the flame retardance of polyamide-66 (PA66). As compared to MH modified by silane coupling agent (MH-SC), MH-MCA had much better compatibility and dispersion in PA66 matrix due to replacing MH-PA66 interface by MCA-PA66, As a result, MCA-MH flame retarded PA66 showed obviously enhanced the flame retardancy and mechanical properties. Additionally, the relationship between the MCA/MH ratio and the flame retardancy, as well as the mechanical properties was investigated, and the corresponding synergistic effects between MCA and MH were researched. 10 Refs. --- **Title: THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID** Page Range: p.321-327 Author(s): Ou C-F; Shiu M-C File size: 247K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101095&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** A series of epoxy methacrylate/silica hybrids, containing 0.5, 1, 3, 5, 7, 10, and 15 wt.% tetraethyloxysilane (TEOS), were synthesised by sol-gel process. Differential scanning calorimetry (DSC) indicated that the glass transition temperatures (Tg) of the hybrids were higher than that of the pure epoxy methacrylate, the maximum increase of 26.7 C being achieved with the addition of 3 wt.% TEOS. The decomposition temperatures (Td) of the hybrids were higher than that of the pure epoxy methacrylate (EMA) and rose as the TEOS content increased. The light transmittance of the hybrids was still higher than 80% with up to 15 wt.% TEOS. The water permeability of the hybrids decreased with increasing TEOS content to 7 wt.%, and then increased to 15 wt.%. The hybrid with 7 wt.% TEOS exhibited a maximum permeability decrease of 54.0%. Scanning electron microscopy (SEM) showed that the number of dispersed droplet of silica increased as the content of TEOS increased. 32 Refs. --- **Title: MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES** Page Range: p.329-336 Author(s): Dadbin S; Kashcooli Y; Frounchi M File size: 225K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101096&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Compounding electron beam irradiated polytetrafluoroethylene (PTFE or Teflon) powder with silicone rubber produced silicone rubber/PTFE composites with desired physical properties. PTFE powder was exposed to electron beam irradiation at various doses and characterized by FTIR, DSC and contact angle measurements. Irradiation of PTFE with high energy electron beam induced chain scission reactions. Irradiated PTFE showed higher degree of crystallisation and lower melting point with increasing absorbed dose. Number average molecular weight of irradiated PTFE was reduced significantly at higher absorbed doses. Formation of polar groups on the surface of irradiated PTFE powder was detected by FTIR spectroscopy. The latter was also verified by measurements of water-drop contact angle, which decreased with increasing absorbed dose. Mechanical and surface properties of the composites of silicone rubber and PTFE were characterized by tensile strength, abrasion resistance and water drop contact angle measurements. All the composites containing 5-15 phr PTFE showed higher tensile strength compared to the silicone rubber. Irradiation of PTFE powder had a significant effect on improving the abrasion resistance of the silicone rubber upon addition of only 5 phr irradiated PTFE. Similar abrasion resistance was obtained with the addition of higher amounts of non-irradiated PTFE (15 phr). Water drop contact angle of the composites decreased slightly with increasing the absorbed dose of PTFE. 17 Refs. --- **Title: THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC)** Page Range: p.337-343 Author(s): Rashdi A A A; Sapuan S M; Ahmad M M H M; Khalina A File size: 256K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101097&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Exposure to natural weathering changes the mechanical properties of unsaturated polyester composites. These changes can negatively affect the mechanical properties of natural fibre composites, through UV radiation and relative humidity. The idea of this study was to determine the durability of kenaf unsaturated polyester composites (KFUPC) in natural conditions, and in addition, to determine the effects of weathering on the performance of these composites and the biodegradability possessed by the composite when exposed to natural weather. KFUPC composites were exposed to the atmosphere for four months. Humidity up-take tests were performed on composite specimens containing (10%, 20% and 30%) weight percentage of fibre content. The tensile properties of exposed specimens were evaluated, and compared alongside dry composite specimens. A decrease in tensile properties of the weather exposed composites was demonstrated, compared with the dry samples. The percentage of moisture uptake increased as the weight percentage of fibre increased, due to the high cellulose content. 22 Refs. --- **Title: SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES** Page Range: p.345-349 Author(s): Sevim C; Varhkh C File size: 187K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101098&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** In this study, solar and environmental degradation were performed for glass fibre/epoxy and glass fibre/vinyl ester composites. Tensile and differential scanning calorimetry (DSC) tests were applied before and after degradations. Considering tensile strength, it is concluded that vinyl ester composite samples used in this study were more durable against environmental degradation compared to the epoxy based samples. On the contrary, epoxy based samples seemed to be more durable than those of the vinyl ester under solar degradation. Moreover, the glass transition temperature loss % of both two resins was very low after solar degradation. It was observed that the destructive effect of environmental degradation was more dominant than solar degradation, according to measurements of tensile strength and glass transition temperature values. 14 Refs. ---  --- Source: https://polymerjournals.com/ # Polymer Journals > Polymer Journals covers chemistry, materials, manufacturing technology, and applied science topics across articles, journal pages, and research references.Use the homepage, journals hub, and topic pages to explore the site. Canonical URL: https://polymerjournals.com/ Polymer Journals covers chemistry, materials, manufacturing technology, and applied science topics across articles, journal pages, and research references. Use the homepage, journals hub, and topic pages to explore the site. --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INTERRELATION BETWEEN CONTACT ANGLE AND INTERLAYER SPACING OF MONTMORILLONITE CLAY USED IN POLYMER NANOCOMPOSITES Page Range: p.129-132 Author(s): Lemiye Atabek Savas; Soner Savas File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INTERRELATION BETWEEN CONTACT ANGLE AND INTERLAYER SPACING OF MONTMORILLONITE CLAY USED IN POLYMER NANOCOMPOSITES** > Page Range: p.129-132 > Author(s): Lemiye Atabek Savas; Soner Savas > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101898&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > > > **Abstract** > In this study, the effect of interlayer d-spacing on the contact angle (-c) of montmorillonite nanoclays was investigated. Three type of montmorillonites, pure hydrophilic, modified with 35-45 wt.% dimethyl dialkyl (C14-C18) amine (Nanomer I.44P) and modified with (1-hexadecyl) tri-methylammonium bromide (HDTMAB), were used for comparison. According to the results, it was found that cations can be replaced by organic cations and interlayer spacing increases. Although organophilic montmorillonite clays whose surface energy is lowered and is more compatible with organic polymers, they shows hydrophobic behaviour with water. Modified clays were found to have a larger interlayer d-spacing and also a larger time-independent contact angle in comparison to the un-modified clay. 8 Refs. > > > > --- > > > **Title: PRODUCTION OF A POLYMERIC COMPOSITE MATERIAL FILLED WITH HALOGEN-FREE FLAME RETARDANT** > Page Range: p.133-138 > Author(s): Melih Can Yilmaz; Ayhan Ezdesir; Sevgi Ulutan; Pinar Tuzum-Demir A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101899&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > In the present study a composite material to be used in cable industry, which has LDPE/EVA (low density polyethylene/ ethylene-vinyl acetate copolymer) polymer blend and alumina trihydrate (ATH) filler, which is a halogen-free flame retardant (HFFR), has been formulated and characterized in terms of its mechanical, rheological and flame retardant properties comparing with the commercial mixtures. Composite blends having 40% polymer component with various PE/EVA ratio and two PE type and 60% ATH were prepared. As the EVA content of composites increased from 26% to 65% the storage modulus increased by 180-220%, viscosity increases by %61-107. Composites containing 65% EVA exhibit similar properties to the commercial one. Limiting Oxygen Index (LOI) value was found as 30 for composites containing 26 mass% of EVA, it increased to 32-34 when EVA content increased to 65 mass%. 10 Refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF FLEXIBLE POLYVINYLCHLORIDE-COPPER COMPOSITE FILMS** > Page Range: p.139-144 > Author(s): Emrah Kurt; Cenk Yagiz Ozcelik; Senem Yetgin; Filiz Ozmihci Omurlu; Devrim Balkose > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101900&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > Flexible PVC films are statically charged due to their low electrical conductivity. This creates fire threat during its handling. Conductive materials are added to films to prevent this. In the present study it was aimed to prepare PVC- copper composite films by sol gel technique and characterize the prepared films. It was aimed to increase the electrical conductivity of the films by adding copper powder. However, the copper particles settled down to bottom instead of forming a conductive network that covers the whole cross section. Thus at the film cross section a plastic upper phase and a copper rich lower phase were present. The film did not conduct electricity due to this uneven distribution. The minimum volumetric and surface resistivities of the films were at the order of 109 ohm-cm and 1010 ohm square respectively. 6 Refs. > > > > --- > > > **Title: MOLECULARLY IMPRINTED POLYMERS AND THEIR SYNTHESIS BY DIFFERENT METHODS** > Page Range: p.145-150 > Author(s): Fadim Yemis; Pinar Alkan; Berin Yenigul; Mesut Yenigul > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101901&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > Over the past thirty years, molecular imprinting has aroused great research interest for scientists. This attention can be explained by the serious potential advantages of using molecularly imprinted polymers in place of natural receptors and enzymes such as their superior durability, low-cost and easy preparation. Furthermore molecular imprinting is a promising technique for the preparation of polymer composites with predetermined selectivity and high affinity. This mini review examines and evaluates the preparation technique and utility application of molecularly imprinted polymers (MIPs) in several areas. The review begins with a brief introduction to MIPs with a focus on their preparations and continues with application areas. 27 Refs. > > > > --- > > > **Title: POLYSTYRENE-ORGANOCLAY NANOCOMPOSITES PREPARED VIA IN-SITU EMULSION POLYMERIZATION** > Page Range: p.151-156 > Author(s): Cetintas M; Uyanik N > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101902&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > In this study, polystyrene-clay nanocomposites (PSNC's) were prepared via in-situ bulk and in-situ emulsion polymerisation. The effect of organoclay and the architecture of surfactant were investigated. For the investigation of the effect of surfactant, organoclays were synthesised containing clay modifiers having different structures. Trimethylhexadecyl ammonium chloride, dimethylbenzylhexadecyl ammonium chloride and dimethylbenzyl(4vinyl) hexadecyl ammonium chloride, which is synthesised in laboratory, modified clays were synthesised. Pristine polystyrene (PS) was synthesised by bulk and emulsion polymerisation for comparison, and PSNC's containing 3 wt.% organoclays were prepared by both these polymerisation methods. Structural analysis of synthesised surfactant was identified by Nuclear Magnetic Resonance (NMR) Spectrometer. The interlayer spacing of silicate layers and the morphology of samples were examined by using the X-ray Diffraction (XRD) Spectrometer and Scanning Electron Microscopy (SEM) images, respectively. Thermal properties of nanocomposites were determined by Thermogravimetric analyser (TGA) and Differential Scanning Calorimeter (DSC). It is observed that organoclays and PS were compatible to each other and each organoclay could form a nanocomposite structure with PS. PSNC's exhibited better properties than pristine PS. Nanocomposites prepared by in-situ emulsion polymerisation resulted with better thermal properties and higher interlayer distances than that prepared by in-situ bulk polymerisation. In order to improve some properties of PS such as thermal stability, preparation of PSNC's by in-situ emulsion polymerisation has been suggested. 12 Refs. > > > > --- > > > **Title: INDUSTRIAL PLANT APPLICATION OF HYDROPHOBIC COATING ON TILE SURFACE** > Page Range: p.157-160 > Author(s): Ayse Tunali; Neslihan Tamsu Selli > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101903&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > Nowadays, ceramic tile surface properties such as easy to clean surface is highly demanded by the market. In order to design these new easy to clean-hydrophobic surfaces, nanomaterials and/or hybrid materials will be indispensable. At present, these novel materials are hardly used in ceramic tile manufacturing processes. It is therefore necessary to develop a completely new methodology in order to suitably choose, handle, and incorporate these materials into the ceramic tile surface with a view to obtaining the desired properties. The aim of this investigation was the industrialisation of application of hydrophobic coating on tile surface by choosing appropriate tools and optimizing process parameters. Airtight mixing and spraying tank was designed to prevent gelation of hydrophobic solution during application. Then tile temperature and amount of solution was optimized. It has been observed that hydrophobic coating provide high contact angle without changing surface appearance of tiles. 7 Refs. > > > > --- > > > **Title: ADSORPTION KINETICS STUDIES OF POLYMERIC NANOCOMPOSITE COAGULANTS** > Page Range: p.161-170 > Author(s): Seher Uzunsakal; Serhat Zeytinci; Uyanik O L; Nurseli Uyanik > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101904&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > The aim of this study is to investigate the adsorption characteristics of dicyandiamide-formaldehyde resin (DCD-F) nanocomposites. For this purpose, 2%, 4%, and 8% unmodified layered silicate clay (Na-Montmorillonite) containing DCD-F nanocomposites (DCD-F- MMT) were prepared. The synthesised samples were structurally defined by XRD, SEM-EDX, and TGA characterisations. The adsorption performance of nanocomposites was tested by using two anionic dyes. Adsorption capacities of pure resin and three nanocomposites were followed against time and the nanocomposite containing 8% Na-MMT (DCD-F-MMT8%) was found to have the highest equilibrium adsorption capacity (qe). Therefore, the effects of dye concentration, pH, and temperature on qe were investigated using DCD-F-MMT8%. The kinetic and thermodynamic parameters of adsorption were obtained based on the experimental data. 10 Refs. > > > > --- > > > **Title: FABRICATION OF COMPOSITE TILES FROM POLY(ETHYLENE TEREPHTHALATE) (PET) AND MICRO-MARBLE PARTICLES REINFORCED WITH GLASS FIBER MATS: COMPARISON OF RECYCLED AND COMMERCIAL RESIN** > Page Range: p.171-176 > Author(s): Galip Icduygu M; Levent Aktas; Cengiz Altan M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101905&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > Polyester composite tiles (PCT) are synthesised from PET and fabricated by compression moulding using micromarble clusters as filler. Identical PCTs are also fabricated by using commercially available polyester resin to compare properties. Three batches of marble clusters with different size distributions are used to assess the effect of filler particle size on mechanical properties. Tiles prepared using finer marble grades yield consistently higher flexural strength and stiffness values regardless of the synthesised or commercial polyester resin. However, the flexural strength and stiffness of the tiles prepared with commercial polyester are observed to be on average 1.8 and 2.5 fold higher, respectively. Prospects of improving mechanical properties are explored by reinforcing PC tiles with randomly oriented, discontinuous glass fibres. This is achieved by placing a single layer of glass fibre mat on the top and bottom tile surface. Presence of fibre mats leads to the formation of a graded particle size distribution across the mat thickness when the coarse grade marble dust is used. This distribution resulted in significant improvements in flexural strength, stiffness and overall toughness of the tiles. The improvements observed in PCTs prepared with synthesised polyester resin surpassed the improvements in their counterparts prepared with commercial polyester. In fact, the flexural strength of the glass fibre mat reinforced PCTs prepared with synthesised and commercial polyester resin are observed to be statistically identical. 18 Refs. > > > > --- > > > **Title: FLEXIBLE PVC-SILICA COMPOSITES AS AN ADSORPTIVE MATERIAL FOR WATER SOLUBLE DYES** > Page Range: p.177-182 > Author(s): Sevgi Ulutan; Senem Yetgin; Devrim Balkose > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101906&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > Methylene Blue (MB) adsorption studies were performed on flexible Polyvinyl Chloride/Silica composites which were obtained by using plastisol-plastigel technology. Change of MB concentration in aqueous phase as the adsorption process advanced was followed by using visible spectroscopy. The diffusion of MB through the composites exhibited non-Fickian behaviour with a diffusivity of 10-11 m2s-1. Making use of such PVC-silica composite sheets as column packing, the packing time will be reduced and the surface available for diffusion will be increased. 22 Refs. > > > > --- > > > **Title: PRODUCTION AND CHARACTERIZATION OF POLYETHYLENE/CALCIUM CARBONATE COMPOSITE MATERIALS BY USING CALCIUM CARBONATE DRY AND WET COATED WITH DIFFERENT FATTY ACIDS** > Page Range: p.183-188 > Author(s): Ilhan Ozen; Suleyman Simsek; Feride Eren > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101907&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > In this study, calcium carbonate (CaCO3) was coated by suitable chemicals using aqueous or dry coating methods in the optimum conditions. Uncoated calcium carbonate having a mean particle size (d50) of 1.6 microns and a top cut (d98) of 8 microns was provided commercially and it was dry and wet coated with saturated fatty acids whose carbon numbers vary between 14 and 18. Coating amount was adjusted to 0.5-2%. Particle size and particle size distribution of the calcium carbonates before and after coating were investigated. After characterisation of the coated calcium carbonates, they were incorporated into linear low density polyethylene (LLDPE) in changing amounts using a twin screw extruder. The effects of coating chemicals, coating conditions and filler amount on composite materials were studied by evaluating the thermal (DSC and TGA) and appearance (Scanning Electron Microscope (SEM)) analyses. 11 Refs. > > > > --- > > > **Title: USING THE CONSTRUCTION CHEMICALS FOR REINFORCEMENT OF THE KARATEKIN UNIVERSITY BUILDING AGAINST EARTHQUAKES** > Page Range: p.189-192 > Author(s): Suleyman Uluoz; Selahattin Duzbasan; Erol Yakit; Tolga Uluoz > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101908&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > The CO2 released during the production of cement is one of the major factors that affect the environmental pollution. In order to gain 1 ton CEM I cement, approximately 900 kg CO2 receiver is let out to the environment. Taking that the cement production all around the world is nearly 3 billion tones into account, it can be considered how much the flue gasses released by the cement factories affects the greenhouse gas formation. Thus, using excessive cement in concrete production causes an increase in environmental pollution. By using the construction chemicals in order to produce concrete, more qualified concrete can be provided as using less cement, the unit manufacturing cost can be reduced and a major contribution can be provided for preventing the environmental pollution. 1 Ref. > > > > --- > > > **Title: COMPARISON OF THE PERFORMANCE OF NEWLY DEVELOPED HYDROPHOBIC COATINGS WITH TRADE ONE** > Page Range: p.193-194 > Author(s): Neslihan Tamsu Selli; Ayse Tunali > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101909&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > There is a considerable demand for wall tiles with a hydrophobic surface. Because hydrophobic tile surfaces nonadhesive towards soil, ice, graffiti and other unwanted contaminants. In this study newly developed hydrophobic solution and commercially available solution was applied on the tiles to compare their performance. The two coated tiles were compared regarding their abrasion and chemical resistance. It has been observed that newly developed hydrophobic solution has higher contact angle after washability test. It also has higher durability against citric acid and hydrochloric acid. 4 Refs. > > > > --- > > > **Title: ADVANCED COMPOSITE APPLICATIONS IN THE CONSTRUCTION INDUSTRY** > Page Range: p.195-198 > Author(s): Ayse Tunali > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101910&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.3 > > **Abstract** > Composites offer the designers a combination of properties not available in traditional materials. In addition to the use of composite material in the construction itself it has also gained momentum in the product that complete construction. For example, composite materials have been used in products that are used in bathroom (sink, closet, urine, faucet, seat) or that are used as ceramic coating material (wall tile, floor tile, porcelain stoneware tile). New advanced surface functionalities such as easy to clean, self-cleaning, anti-fingerprint, anti-slip, antibacterial, anti-microbial, stain resistance, wear resistance, scratch resistance have attracted much recent interest in the scientific community. In order to design these new surfaces nano materials and/or composite materials indispensable. The ultimate goal of this study is to present examples of these new functional products. 17 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PROCESSING AND CHARACTERIZATION OF NATURAL FIBRE REINFORCED COMPOSITES USING LIGNIN PHENOLIC BINDER Page Range: p.199-206 Author(s): Arunjunai Raj Mahendran; Wuzella G; Aust N; Muller U;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PROCESSING AND CHARACTERIZATION OF NATURAL FIBRE REINFORCED COMPOSITES USING LIGNIN PHENOLIC BINDER** > Page Range: p.199-206 > Author(s): Arunjunai Raj Mahendran; Wuzella G; Aust N; Muller U; Kandelbauer A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101884&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > > > **Abstract** > Natural fibre-reinforced composites were prepared using a lignin-phenolic resol binder, in which 30 wt.% of the phenol was substituted by a modified lignosulphonate from renewable resources. The reinforcement of the lignin phenolic binder matrix was accomplished by different natural fibres. The non-woven flax, flax/wood and flax/kenaf fibre mats were impregnated with the lignin-phenolic binder and they were compression-moulded at elevated temperature. The curing condensations of the synthesised lignin phenolic resins were characterized by differential scanning calorimetry. Water absorption, thickness swelling and flexural strengths of the natural fibre-reinforced composites were determined, as well as their thermal stability using thermogravimetric analysis. The flexural strengths of the flax/wood and flax/kenaf composites were higher than those of the flax reinforced composite. Morphological analysis using scanning electron microscopy showed an enhancement in fibre/matrix interaction for the flax/wood and flax/kenaf fibre mixtures. 21 Refs. > > > > --- > > > **Title: EFFECT OF THE BLENDING PROCESS AND FILLER LOADING ON THE MECHANICAL PROPERTIES OF SILICA-FILLED SBR/BR COMPOUNDS** > Page Range: p.207-214 > Author(s): Luping Ni; Jibin Wang; Haiyan Xu; Chifei Wu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101885&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > **Abstract** > The effects of the blending process on the mechanical properties of styrene butadiene rubber/cis-butadiene rubber/silica systems was studied in relation to the order of addition of two kinds of rubbers during blending. The specific blending method of two-step rubber feeding method led to different mixing conditions, and consequently the mechanical properties of the vulcanisates varied significantly. The blending process was mainly influenced by two factors: the wetting of the filler and the interactions of the materials. This work focused on the influence of filler loading on different blending methods, in order to build up the relationship between bound rubber and various properties in silica filled SBR/BR compounds. 15 Refs. > > > > --- > > > **Title: FURAN-BASED NARROW-BAND-GAP COPOLYMERS FOR RED LIGHT-EMITTING DIODES AND BULK HETEROJUNCTION PHOTOVOLTAIC CELLS** > Page Range: p.215-222 > Author(s): Mingliang Sun; Li Wang; Renqiang Yang; Bin Zhang; Wei Yang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101886&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > **Abstract** > A series of conjugated copolymers (PFO-DFQ) derived from 2,3-dimethyl-5,8-difuran-2-yl-quinoxalines (DFQ) and 9,9-dioctylfluorene (DOF) were prepared by the palladium-catalysed Suzuki coupling reaction with molar feed ratios of DFQ around 1%, 5%, 15% 30% and 50% respectively. The obtained polymers were readily soluble in common organic solvents. The absorption spectra of the copolymers ranged from 300 nm to 560 nm, with two absorption peaks at around 390 nm and 480 nm, both in solution and thin film. The photoluminescence (PL) emission peaks were in the region from 465 nm to 611 nm in thin solid films. The electroluminescence (EL) emission peaks were from 550 nm to 712 nm, depending on the DFQ content. Bulk heterojunction photovoltaic cells fabricated from composite films of PFO-DFQ copolymers and [6,6]-phenyl C61 butyric acid methyl ester (PCBM) as electron donor and electron acceptor respectively, showed power conversion efficiencies 0.13% with open-circuit voltage (Voc) of 0.60V and short-circuit current density (Jsc) of 0.68 mA/cm2 under AM1.5 solar simulator (100 mW/cm2). 15 Refs. > > > > --- > > > **Title: SYNTHESIS OF POLY(STYRENE-CO-ACRYLONITRILE)/CLAY NANOCOMPOSITES IN SUPERCRITICAL CARBON DIOXIDE** > Page Range: p.223-232 > Author(s): Jing Wang; Jianfeng Zhong; Zhou Fang; Qingzhi Dong > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101887&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > **Abstract** > Poly(styrene-co-acrylonitrile)/fluorinated montmorillonite was successfully prepared in supercritical carbon dioxide (scCO2) by dispersion polymerisation. In this study, a mixed stabiliser system was applied and investigated. Poly(styrene-r-acrylonitrile)-block-poly(1,1,2,2-tetrahydroperfluorooctyl methacrylate) (PSAN-b-PFOMA) was synthesised and investigated as stabiliser in scCO2. Fluorinated surfactant was used for the modification of the montmorillonite. The fluorinated montmorillonite (FMMT) applied in the polymerisation was not only used as nanocomposite filler but also as a guest stabiliser. This study examined the stabilisation roles of stabiliser and guest stabiliser respectively. The optimum dosages of both compounds were studied. The polymerisation with mixed stabiliser resulted in high yield and high molecular weight. Moreover, a series of nanocomposites were characterized and the products showed excellent properties. It was found that the montmorillonite layer could be completely exfoliated using reasonable loading, and dispersed in the polymer matrix. In addition, the pressure of scCO2 was studied and the density of scCO2 was shown to be relevant to the stabilisation of the reaction. The mixed stabiliser system made the polymerisation more effective and the in-situ dispersion polymerisation performed in scCO2 was shown to be a useful method for the nanocomposites preparation. 37 Refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF BISMALEIMIDE MODIFIED VINYL ESTER MONOMER-UNSATURATED POLYESTER INTERCROSSLINKED HYBRID MATRICES** > Page Range: p.233-242 > Author(s): Chandramohan A; Mandhakini M; Dinakaran K; Alagar M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101888&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > **Abstract** > Intercrosslinked hybrid matrices were developed from N,N'-bismaleimido-4,4'-diphenyl methane (BMI) modified vinyl ester monomer (VEM), namely cyclohexyl-1,1'-bis[4-((gamma)-2-methylphenoxy)-(alpha)-hydroxypropylacrylate]unsaturated polyester (UP) resin. BMI-modified VEM-UP hybrid matrices were characterized for their mechanical properties, viz. tensile strength, flexural strength, unnotched izod impact strength and hardness as per ASTM standards. Data obtained from thermal studies indicated that the introduction of vinyl ester monomer into unsaturated polyester resin marginally reduced the values of heat distortion temperature and glass transition temperature compared with those of the neat UP resin. Scanning electron microscopy studies of BMI modified VEM-unsaturated polyester systems exhibited a homogeneous morphology, confirming efficient chemical interaction and the formation of intercrosslinked networks. 25 Refs. > > > > --- > > > **Title: RHEOLOGICAL, THERMAL AND DYNAMIC MECHANICAL STUDIES OF THE LDPE/PERLITE NANOCOMPOSITES** > Page Range: p.243-249 > Author(s): Sahraeian R; Esfandeh M; Hashemi S A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101889&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > **Abstract** > Nanocomposites based on low-density polyethylene (LDPE) and nano perlite were prepared at various perlite contents via melt mixing in a twin-screw extruder. Rheological measurements, dynamic mechanical thermal analysis (DMTA) and thermogravimetric analysis (TGA) tests were carried out on the nanocomposites. The results confirmed the establishment of interactions between LDPE matrix and treated nano perlite. In addition, dynamic mechanical properties and thermal stability of the treated nanocomposites were improved. 24 Refs. > > > > --- > > > **Title: MODIFIED PET FIBRES FOR METAL ION AND DYE REMOVAL FROM AQUEOUS MEDIA** > Page Range: p.251-258 > Author(s): Majid Abdouss; Ahmad Mousavi Shoushtari; Nasrin Shamloo; Aminoddin Haji > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101890&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.4 > > **Abstract** > In this study, poly(ethylene terephthalate) (PET) fibres were modified with methacrylic acid (MAA) to provide new chelating fibres. Benzoyl peroxide (BPO) was used as initiator. To increase the grafting yield, a pretreatment with formaldehyde was done, which increased the efficiency of grafting treatment by connecting -CH2OH groups to the fibres' polymeric chains. The effect of reaction parameters including methacrylic acid concentration, benzoyl peroxide concentration, reaction time and temperature on grafting yield were studied. The extent of fibre modification was characterized with FT-IR spectroscopy, thermo-gravimetric analysis (TGA) and SEM. The ability of modified fibres to adsorb Cu2+ and Pb2+ ions from aqueous media was determined using atomic absorption spectroscopy. The results confirmed that the methacrylic acid grafted PET fibres could remove Cu2+ and Pb2+ ions from water efficiently. Also, the modified fibre was used for basic dye adsorption from water and showed a great capacity for removal of cationic dyes from aqueous media. 18 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MATERIAL AND PROCESS RELATED INFLUENCES ON THE PARTICLE BASED INDUCTIVE HEATING OF HIGH DENSITY POLYETHYLENE Page Range: p.259-274 Author(s): Bayerl T; Mitschang P File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MATERIAL AND PROCESS RELATED INFLUENCES ON THE PARTICLE BASED INDUCTIVE HEATING OF HIGH DENSITY POLYETHYLENE** > Page Range: p.259-274 > Author(s): Bayerl T; Mitschang P > File size: 1167K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101984&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > > > **Abstract** > Recently, a new inductive heating method to process fibre reinforced polymer composites was introduced. This method uses particulate susceptors which are affected by an electromagnetic field. The innovative heating method can be used to heat up bulk as well as sheet like materials because the generated thermal energy is distributed intrinsically in the component. Since the heating performance was observed to be closely related to the used susceptor material, other important factors influencing the heating and polymer melting were investigated in an experimental series. The study comprised materials-related parameters, such as filler fraction and particle size, as well as process-related ones, like induction current, coupling distance, and frequency. High density polyethylene (HDPE) doped with different susceptor materials, ferromagnetic as well as electrically conductive, was used for the heating experiments. The observed influence on the analysed heating performance of some materials and process parameters could be derived from standard physical laws, in particular the dependence on coil current and the coupling distance. Other process parameters, like the susceptor size and the frequency, were identified to have a more complex relationship on the heating ability. Cast iron particles, which showed the best heating performance in the study, were able to melt the applied HDPE within 90 seconds at a filler fraction of only 5 to 10 wt.%. For future applications of this heating method, a theoretical approach was revealed to deliver a sufficient approximation of the inductive particulate heating in a finite element model. 36 Refs. > > > > --- > > > **Title: CHEMICAL AND MECHANICAL PROPERTIES STUDIES OF CHINESE LINEN FLAX AND ITS COMPOSITES** > Page Range: p.275-286 > Author(s): Shanshan Huo; Ulven C A; Haoran Wang; Xinnan Wang > File size: 580K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101985&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > **Abstract** > To improve the mechanical performance of flax polymer composites, different surface modifications on flax fibres have been investigated by many researchers. In this study, the effects of alkaline treatment on the properties of Chinese linen flax were evaluated by different chemical and mechanical test techniques. Chemical detergents, stains and FTIR were used to investigate the chemical constituent changes in the Chinese linen flax. Moreover, the elastic properties of untreated and treated flax fibres were evaluated using a single fibre bundle tensile test. The elastic properties of their composites were accessed also using tensile tests. In addition, the theoretical elastic properties of alkaline treated flax were calculated using Halpin-Tsai equations. The theoretical elastic properties of flax/vinyl ester composites were also obtained to compare against the experimental results. An optimal/ultimate elastic modulus of flax/vinyl ester composites was predicted. 45 Refs. > > > > --- > > > **Title: NON-WOVEN FLAX FIBRE REINFORCED POLYPROPYLENE: STATIC AND LOW VELOCITY IMPACT BEHAVIOUR** > Page Range: p.287-298 > Author(s): Thuy Quynh Truong Hoang; Fabienne Touchard > File size: 947K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101986&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > **Abstract** > Non-woven flax fibre reinforced new and recycled polypropylene were manufacturing by an industrial process of carding, batt, needle-punching and thermo-pressing. Polypropylene fibres were mixed with flax fibres in the carding process forming a thick multi-layered mat which was used for thermo-compression process. Effects of multi-layered non-woven manufacturing on mechanical properties were analysed in different composites with three fibre areal weights. The results highlight the anisotropic behaviour of the obtained composites and a constant ratio of absorption energy to impact energy. In addition, cyclic tests and acoustic emission method coupled with image correlation measurement were specially employed in order to detect the damage development process in the composites and to qualify the deformation process in tensile test. 17 Refs. > > > > --- > > > **Title: INTERFACIAL INTERACTION BETWEEN POLYCARBOXYLATE-BASED SUPERPLASTICIZER AND CEMENT COMPONENT MINERALS** > Page Range: p.299-306 > Author(s): Yinhui Yu; Jiaping Liu; Qianping Ran; Min Qiao; Nanxiao Gao > File size: 470K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101987&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > **Abstract** > This paper is presented for a better understanding of the interaction between polycarboxylate-based superplasticiser (PCA) and cement component minerals. The impact of PCA on the particle interaction among tricalcium silicate (C3S), dicalcium silicate (C2S) and the initial Portland cement hydrates ettringite (AFt) has been systematically examined. The zeta potential was highly dependent on the chemical composition of the solvent. Furthermore, it was demonstrated that adsorption always occurred between the minerals and anionic PCA in spite of their equal charge sign. For silicates (including C3S and C2S), the adsorption of high load Ca2+ formed a positive layer and subsequently adsorbed anionic PCA. For AFt, the direct adsorption onto AFt results from its strong electrostatic interaction. The high affinity of PCA to aluminate phase surface can be attributed to the high reactivity of tricalcium aluminate and its large specific surface. 16 Refs. > > > > --- > > > **Title: THERMAL DEGRADATION AND FLAMMABILITY BEHAVIOUR OF HDPE/EVA/EG COMPOSITES** > Page Range: p.307-314 > Author(s): Zhidan Sun; Yonghong Ma; Yang Xu; Xiaolang Chen; Man Chen; Jie Yu; Shuchun Hu; Zhibin Zhang > File size: 295K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101988&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > **Abstract** > In this work, high density polyethylene (HDPE), ethylene-vinyl acetate (EVA) copolymer and expandable graphite (EG) flame retardant composites were prepared by using a twin screw extruder technique. The thermal stability and flame retardant properties of the composites were investigated by the thermogravimetric analysis (TGA) and cone calorimeter, respectively. The char morphology after combustion was also further characterized. The experimental results indicated that intumescent EG greatly enhanced the thermal stability and fire resistance of polymer matrix materials. The presence of EG improved the degradation temperature of HDPE/EVA blend and increased its char residue at high temperature. The results from cone calorimeter demonstrated that the addition of EG led to the decrease of the heat release rate (HRR), total heat release (THR) and smoke production rate (SPR) of materials and could retard the emission of the toxic and flammability gases by promoting the formation of a compact char layer. This char layer will prevent the polymer matrix further degradation and protect it effectively from heat penetrating inside, resulting in lower weight loss rate and better flame retarded property. 36 Refs. > > > > --- > > > **Title: RAPID CURING EPOXY RESIN AND ITS APPLICATION IN CARBON FIBRE COMPOSITE FABRICATED USING VARTM MOULDING** > Page Range: p.315-316 > Author(s): Wang C R; Gu Y Z; Zhang K M; Li M; Zhang Z G > File size: 527K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101989&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > **Abstract** > A rapid curing resin system made from the diglycidyl ether of bisphenol A epoxy, modified imidazole and modified aliphatic amine was developed. The curing behaviour and following characteristic of the resin were evaluated by differential scanning calorimetric and rheological analysis, respectively. Carbon fibre-reinforced polymer composite (CFRP) laminates using this resin system were manufactured through vacuum-assisted resin transfer moulding (VARTM) under short-term curing schedule. Subsequently, studies were performed on the processing quality, mechanical properties and heat resistance of the composites. The effects of post-cure duration on the interfacial bonding and the properties of the composites were investigated. The results showed that the curing time of a CFRP laminate using the studied resin under 120 deg C could be controlled within 13 min with more than 95% curing degree and few defects. There were variations of the mechanical and thermal properties of the composites with different post-cure durations. The optimum properties were obtained after a post-cure process of 60 min, and extended post-cure treatment were detrimental. The corresponding mechanism was discussed from the viewpoint of interfacial bonding between carbon fibre and epoxy matrix. 23 Refs. > > > > --- > > > **Title: HONEYCOMB PATTERNED SPS/TIO2 HYBRID FILMS DERIVED FROM BF TECHNIQUE AND GELATION** > Page Range: p.325-332 > Author(s): Qiusheng Song; Xiaofei Zhu; Yuanhao Xu > File size: 630K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101990&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.5 > > **Abstract** > Honeycomb patterned hybrid films were prepared from sulphonated polystyrene (SPS) and tetrabutyl titanate (TBT) by a combination of the 'breath figure' technique with a gelation process. The influences of solvents, concentration and the mass ratio of SPS/TBT in the hybrid sols on the morphology of the honeycomb films were investigated. The results from SEM, FTIR, DSC, TG and XRD showed that well-ordered films were formed when benzene was used as solvent, the mass ratios of SPS/TBT in the range of 10/1~1/2 and the concentration of SPS maintained in the range of 20-80 mg/mL. 22 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: GLASS FIBRES RECOVERED BY MICROWAVE PYROLYSIS AS A REINFORCEMENT FOR POLYPROPYLENE Page Range: p.333-340 Author(s): Akesson D; Ramesh Krishnamoorthi; Zenon Foltynowicz; Jonas Christeen; Adib Kalantar;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: GLASS FIBRES RECOVERED BY MICROWAVE PYROLYSIS AS A REINFORCEMENT FOR POLYPROPYLENE** > Page Range: p.333-340 > Author(s): Akesson D; Ramesh Krishnamoorthi; Zenon Foltynowicz; Jonas Christeen; Adib Kalantar; Skrifvars M > File size: 408K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101991&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > > > **Abstract** > Glass fibre composites were recycled by microwave pyrolysis. The glass fibres recovered were evaluated as a reinforcement agent for polypropylene (PP). Samples were prepared with a micro-compounder and the resulting compounds were evaluated with tensile testing, flexural testing, Charpy impact testing and scanning electron microscopy (SEM). The adhesion between fibre and glass was relatively poor, and an attempt was made to improve it. Various coupling agents were evaluated, in addition to the use of maleic anhydride-grafted PP (MAPP). Tests showed that MA-PP had a relatively strong effect on the mechanical properties. 29 Refs. > > > > --- > > > **Title: CURING METHODS FOR ADVANCED POLYMER COMPOSITES - A REVIEW** > Page Range: p.341-348 > Author(s): Dilmurat Abliz; Yugang Duan; Leif Steuernagel; Lei Xie; Dichen Li; Ziegmann G > File size: 286K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101992&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > Advanced polymer composites have obtained great application interest in a number of demanding aerospace, wind energy, automotive, infrastructure, and consumer applications. Great varieties of advanced polymer composites curing methods investigated to develop low-cost and high-efficient fabrication of advanced polymer composites, which still remains as a great challenge and thorny issue. Especially, the autoclave curing process, which is widely used for curing of high performance advanced polymer composites, is labour- and capital-intensive, with costs increasing exponentially with part size and limiting increased use of advanced polymer composites. Researchers and industries have long desired to explore and develop low-cost and high-efficient curing methods for fabrication of advanced polymer composites and investigated different radiation and thermal curing alternatives. In this paper, current development status of the radiation curing (gamma ray, x-ray, ultraviolet, accelerated electron beams) and thermal curing (radiation heating (infrared, laser and microwave), convection and conduction heating (hot gas, flame, oven and hot shoe), induction heating, ultrasonic heating, resistance heating and thermal additives (magnetic particles, NIR absorbent particles) based heating methods applied for the curing of advanced polymer composites are reviewed. The curing mechanism and current application status of the different curing processes for fabrication of advanced polymer composites is discussed, and main advantages and disadvantages of these methods are comparatively analysed and evaluated according to the material, cost, feasibility and power criteria for successful curing application of advanced polymer composites. 72 Refs. > > > > --- > > > **Title: ELECTROSPUN ULTRATHIN POLY(VINYL ALCOHOL) FIBRE ASSEMBLIES MODIFIED BY MEANS OF POLYCARBOXYLIC ACID / SODIUM HYPOPHOSPHITE** > Page Range: p.349-356 > Author(s): Schramm C; Rinderer B; Tessadri R > File size: 398K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101993&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > A viscous solution consisting of poly(vinyl alcohol) (PVA), butane-1,2,3,4-tetracarboxylic acid (BTCA) and sodium hypophosphite monohydrate (SHP) has been prepared and subjected to an electrospinning process in an attempt to produce BTCA-crosslinked ultrathin PVA fibre mats. At elevated temperatures the carboxyl groups of BTCA react with the hydroxyl groups of PVA via a five-membered cyclic anhydride thus forming ester linkages. The measurement of the fibre diameters of the electrospun fibres created at various high voltages (10, 15, and 20 kV) revealed that the diameters of the fibres were in the range of 0.98 - 1.20 (mu)m. Single layer and double layer fibre assemblies were prepared and thermally treated at 180 deg C. The as-prepared ultrathin PVA fibre assemblies were analysed by means of scanning electron microscopy (SEM), indicating that the morphology of the fibres had been changed. Fourier transform infrared/attenuated total reflection spectroscopy (FT-IR/ATR), X-ray powder diffraction (XRPD) and physical properties, such as water vapour absorption (WVA), water vapour transmission (WVT) and tensile strength were evaluated. The incorporation of BTCA resulted in an increase of WVA and a decrease of WVT. The tensile strengths of the cured PVA mats were remarkably decreased, when BTCA/SHP had been added. 39 Refs. > > > > --- > > > **Title: THERMAL ANALYSIS OF HIGHLY FILLED COMPOSITES OF POLYSTYRENE WITH LIGNIN** > Page Range: p.357-366 > Author(s): Reza Barzegari M; Ayse Alemdar; Yaolin Zhang; Rodrigue D > File size: 418K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101994&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > This paper focuses on the thermal properties of polystyrene/lignin composites over a wide range of lignin content. Blending with and without a compatibiliser (styrene/ethylene/butylene copolymer) was performed in an internal batch mixer to prepare samples between 0 and 80%wt of lignin. From the compounds, an extensive thermal study was performed, including thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA). TGA results indicated that the thermal stability of polystyrene increases with increasing lignin content. DMTA analysis showed higher storage modulus and lower loss factor with increasing lignin content for the range of temperature studied (30-150 deg C). DSC results showed that the lignin/PS composites have a single Tg which is close to that of polystyrene. The addition of a compatibiliser up to 2%wt was found to improve the storage modulus of lignin/PS composite, especially at low temperature. Finally, scanning electron microscopy micrographs were used to show the state of interfacial adhesion or compatibility between lignin particles and the polystyrene matrix. 29 Refs. > > > > --- > > > **Title: GLASS TRANSITION BEHAVIOUR OF PMMA/PVA INCOMPATIBLE BLEND** > Page Range: p.367-376 > Author(s): Yoshinobu Nakamura; Eiji Kariya; Tomoyoshi Fukuda; Syuji Fujii; Kazuko Fujiwara; Shigeki Hikasa > File size: 382K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101995&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > Dynamic viscoelastic properties and morphology of poly(methyl methacrylate) (PMMA)/poly(vinyl alcohol) (PVA) blend prepared by melt kneading was investigated. These solubility parameter values differ greatly. Two kinds of PVA with saponification degrees of 88 and 98 mol.% were used. Micrometre-order domains were observed by scanning electron microscopy for 88 mol.% PVA, whereas no clear domain was observed for 98 mol.%. Both the blends were incompatible systems because two loss modulus peaks based on PMMA and PVA were observed by dynamic mechanical analysis. The loss modulus peak based on the PMMA-rich phase was higher than that of pure PMMA; the increase of the corresponding glass transition temperature (Tg) caused by blending was more remarkable for 98 mol.% PVA than 88 mol.%. It was thought that the intermolecular interaction of OH group in PVA and carbonyl group in PMMA caused the increase in Tg, but no clear evidence of the interaction for the blend was observed by a Fourier transform infrared spectroscopic analysis. The poly(vinyl acetate)/PMMA blend was incompatible. The unsaponificated vinyl acetate unit in PVA decreased the interaction between PMMA and PVA. This is the reason why the effect of Tg rising was lower for 88 mol.% PVA than for 98 mol.%. 13 Refs. > > > > --- > > > **Title: ANALYSIS OF MARCHING-MODULUS RUBBER RHEOGRAMS** > Page Range: p.377-386 > Author(s): Farid A S; Arunashanthi K D > File size: 484K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101996&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > Rheometry is widely used throughout the rubber industry to characterise the cure behaviour of rubber mixes. Industrial rheometers produce continuous traces or rheograms in which torque is plotted as a function of time as a rubber progressively cures. Rheograms in which a distinct maximum or steady-state value is obtained within a reasonable time present few problems when the main objective is to determine optimum vulcanisation times. Nevertheless, some rubber mixes display cure profiles that do not exhibit steady-state values within acceptable time scales; taking extremely long periods of time to do so. Running rheometers over prolonged periods in order to attain flat or steady state cures is neither productive nor economical. In such situations, it is desirable to develop a methodology whereby steady-state values can be estimated from short running times. Assuming that cure advances by way of first-order kinetics a graphical technique is introduced enabling the steady-state torque value to be estimated from short running times. The steady-state torque value obtained from the graphical procedure was compared with experimental values; poor agreement was found being within about 11%. Notwithstanding the poor agreement between the steady-state torque value observed experimentally and that predicted by the graphical method we nevertheless continue to recommend the use of the graphical technique. Our justification for the use of the graphical method is that the procedure provides reliable rate constants for the incipient stages of vulcanisation without having to determine full extents of cure. The rate constant determined by the graphical procedure was in good agreement with typical values reported in the literature7 thus affording credibility to our graphical methodology. As further confirmation as to the reliability of our technique, an analytical method introduced by Rigby2 was employed to verify the authenticity of our results. Comparison of our results with those ascertained from the analytical method showed reasonable agreement. In order to account for the significantly large difference between the graphically-estimated and experimental steady-state torque value, the ideal and simplistic assumption that curing proceeds by first order kinetics throughout the entire curing period was abandoned. Instead, it was assumed that the crosslinking process comprises two concomitant first-order curing reactions; notably normal and slow crosslinking reactions. The kinetic expression describing the two simultaneous vulcanisation reactions in terms of rheometry parameters is: Tt-Ta = (Tc – Ta)(1-e-kc(t-ti))+(Tsc-Ta)(1-e-ksc(t-ti))where Tt is the torque at time t; Ta is the minimum torque; ti is the induction time; T(Yen),c and T(Yen),sc are the steady state torque values for the normal and slow crosslinking processes respectively; and, kc and ksc represent the first-order rate constants for the normal and slow crosslinking processes respectively. Excellent agreement was found between the experimental steady-state torque value and that predicted by the composite kinetic expression. 7 Refs. > > > > --- > > > **Title: APPLICATION OF TAGUCHI METHOD IN OPTIMIZING FABRICATION OF COMPOSITE PANELS FOR INTERIOR DIVIDING WALLS** > Page Range: p.387-394 > Author(s): Velosa J; Rana S; Santos T; Fangueiro R; Ramos L > File size: 307K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101997&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > In order to save material and energy, an increased growth can be noticed in recent times in the use of low-cost and light-weight solutions for the interior dividing walls of buildings. In this context, the main aim of the present research work was to develop light-weight composite panels based on non-woven fabrics for this application as an alternative to more commonly used materials and to optimize the manufacturing process parameters in order to maximize their mechanical performance. Thermo-bonded nonwoven geo-textiles made from polyester (70%) and polypropylene (30%) fibres were consolidated using compression moulding technique, varying the various structural and process parameters, such as number of layers, compression time, temperature and pressure. Taguchi method was used to design the experiments, as well as to understand the influence of various parameters on tensile and flexural strengths of developed composite panels and to optimize them in order to maximize these properties. According to the analysis, a consolidation temperature of 210 deg C, pressure of 30 bars, compression time of 35 minutes and 30 layers are required to achieve the maximum values of tensile and flexural strength with minimum variability. 21 Refs. > > > > --- > > > **Title: STUDY ON MECHANICAL PROPERTIES AND WATER ABSORPTION BEHAVIOUR OF WASTEPAPER FIBRE/RECYCLED POLYPROPYLENE COMPOSITES** > Page Range: p.395-402 > Author(s): Zhang Xiaolin; Bo Xiangfeng; Wang Rumin > File size: 389K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101998&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.6 > > **Abstract** > There has been growing interest in the use of waste materials as an alternative source for the conventional woodplastic composites (WPC) in the global market. This paper evaluates the feasibility of two different kinds of wastepaper fibre as reinforcing materials used for WPC. For this purpose, the fibre morphology of old newspaper fibre (ONPF) and old magazine paper fibre (OMGF) was investigated by fibre morphology analyser, respectively. Wastepaper fibres, recycled polypropylene (rPP), and 2%MAPP were compounded by double-roller mixer and test specimens were prepared by hot press moulding. The tensile, flexural, and water absorption properties of ONPF and OMGF reinforced rPP composites as a function of fibre content were studied. The results showed that the highest mechanical properties of ONP and OMG fibre reinforced composites could be reached with 30 wt.% fibre contents. The mechanical properties of the composites made from ONP fibres were better than those made from OMG fibres. However the addition of wastepaper fibres resulted in a decrease in elongation at break. Both the fibre loading and the fibre morphological characteristics had an effect on the water uptake behaviour. But the effect of fibre size on the water uptake was minimal compared to that of the fibre content. The water uptake of wastepaper fibre/rPP composites may actually be slowed down rather than delayed. Scanning electron microscopy (SEM) of the fracture surface of a tensile specimen with 30 wt.% wastepaper fibre loading showed good fibre dispersion in the matrix and a good compatibility between wastepaper fibre and rPP matrix. The results suggested that both the ONP fibres and the OMG fibres could be used as potential sources and reinforcing agent for composites, but the reinforcement effect of ONPF was better than that of OMGF. 22 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EXTRUSION OF CNT-MODIFIED POLYMERS WITH LOW VISCOSITY - INFLUENCE OF CRYSTALLIZATION AND CNT ORIENTATION ON THE ELECTRICAL PROPERTIES Page Range: p.473-482 Author(s): Steinmann W; Vad... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EXTRUSION OF CNT-MODIFIED POLYMERS WITH LOW VISCOSITY - INFLUENCE OF CRYSTALLIZATION AND CNT ORIENTATION ON THE ELECTRICAL PROPERTIES** > Page Range: p.473-482 > Author(s): Steinmann W; Vad T; Weise B; Wulfhorst J; Seide G; Gries T; Heidelmann M; Weirich T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102057&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > > > **Abstract** > Several polymers were modified with multiwalled carbon nanotubes (CNT) to study the influences of the crystallisation in the polymeric matrix and of the CNT orientation during extrusion on the electrical conductivity. Experiments were carried out with common semi-crystalline polymers (polypropylene, polyethylene, polyamide 6) and compared to an amorphous polymer (ethylene vinyl acetate). All polymers were grades with low viscosity, so that the CNT could be oriented well during extrusion. For all materials, the percolation threshold was determined, and the lowest value of 3% was found in polypropylene. The percolation threshold was correlated to the degree of crystallinity of the matrix polymers, so that crystallites could be seen as an excluded volume for CNT. The crystallisation itself was analysed by differential scanning calorimetry (DSC), whereby nucleation effects and changes in the crystallisation temperature were found. The shear rate during extrusion had a large influence on the electrical conductivity. This effect was analysed by transmission electron microscopy (TEM), with which the orientation of CNT in the direction of extrusion was visualized and differences between the polymer matrices were explained. 37 Refs. > > > > --- > > > **Title: PROCESSING AND CHARACTERIZATION OF CONTINUOUS FIBRE TAPES CO-MOULDED WITH LONG FIBRE REINFORCED THERMOPLASTICS** > Page Range: p.483-494 > Author(s): Balaji Thattaiparthasarathy K; Selvum Pillay; Dhruv Bansal; Haibin Ning; Vaidya U K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102058&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > An important advantage when designing with plastics is the ability to incorporate features such as ribs, grids and bosses in the part. Rib stiffened polymer matrix composites have been widely used in aerospace, automobile, and civil infrastructure applications due to their high impact and fatigue resistance, high strength and stiffness to weight ratio, and damage tolerance. However, for long fibre-reinforced polymer composites, the processing complexity increases for features including ribs, grids and bosses. An innovative method of replacing ribs is the use of pre-consolidated continuous fibre reinforced thermoplastic (CFRT) tapes that can be co-moulded with long fibre thermoplastics (LFT). This work focuses on processing and performance evaluation in terms of the static and dynamic properties of LFTs co-moulded with pre-consolidated CFRTs, referred to as endless long fibre thermoplastic (E-LFT). The E-LFT approach is an alternative to rib stiffened composites. The effect of the thickness and fibre type in tape reinforced LFT is compared to LFT (with and without ribs) of equivalent flexural rigidity for static flexure and low velocity impact (LVI) response. In all these conditions, E-LFT samples performed better that the LFTs with and without ribs. LFT samples with and without ribs exhibited a brittle failure, as opposed to the progressive failure exhibited by E-LFT. 14 Refs. > > > > --- > > > **Title: IMPROVEMENT IN MECHANICAL AND THERMO-MECHANICAL PROPERTIES OF CARBON FIBRE/EPOXY COMPOSITES USING CARBOXYL FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES** > Page Range: p.495-508 > Author(s): Salam M B A; Hosur M V; Jahan N; Rahman M M; Jeelani S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102059&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > Investigations were carried out to optimize mechanical and thermal performances of carbon fibre/epoxy composites modified with functionalised carbon nanotubes. For fabricating carbon fibre/epoxy nanocomposites, 0.1-0.4 wt.% carboxyl-functionalized multi-walled carbon nanotubes (MWCNTs-COOH) were incorporated in an epoxy system. Laminates were cured at a temperature of 65.55 degrees C. The effects of MWCNT on flexural, interlaminar shear strength (ILSS), tensile and thermo-mechanical properties of carbon fibre/epoxy composites were studied. The results obtained from flexural, ILSS, tensile and dynamic mechanical analysis (DMA) of carbon fibre/epoxy demonstrated a linearly increasing trend in properties up to 0.3 wt.% MWCNT loading. Results obtained from the thermal mechanical analysis showed a linearly decreasing trend in coefficient of thermal expansion up to 0.3 wt.% MWCNT loading. The properties were lower at 0.4 wt.%, due to agglomeration that may have resulted in poor wetting of the carbon fibres. 39 Refs. > > > > --- > > > **Title: MODELLING AND PREDICTION OF BARRIER PROPERTIES OF POLYMER LAYERED SILICATE NANOCOMPOSITES** > Page Range: p.509-518 > Author(s): Vikas Mittal > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102060&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > Different permeation models have been compared with the experimental barrier performance of the polyethylene and polypropylene layered-silicate nanocomposites. It was observed that the models assuming the perfect orientation of filler platelets did not represent the nanocomposite system accurately, whereas the models incorporating the misalignment and incomplete filler exfoliation effects were more efficient. Such models also predicted reduction in the barrier performance of the nanocomposites due to saturation of the polymer matrix with the platelets at a particular filler fraction, an observation which was also experimentally confirmed. Further combinations of these models with each other generated additional insights into the nanocomposite systems such as average aspect ratio, extent of filler platelet randomness, relative platelets distance, shape factor and aggregate thickness etc. As a beneficial alternative, modelling and prediction of the barrier performance of the polymer nanocomposites was also demonstrated using the mixture and factorial design methods. Using factorial design methods, aspect ratio as well as percent randomness of the filler platelets in the nanocomposites could be quantified by knowing beforehand the permeation performance and filler volume fraction. Alternatively, by knowing either the aspect ratio or percent randomness revealed the average permeation behaviour in the nanocomposite of known filler volume fraction. 28 Refs. > > > > --- > > > **Title: STUDY ON THE SYNTHESIS AND ANTIBACTERIAL PROPERTIES OF SILVER-CHITOSAN COMPOSITE** > Page Range: p.519-524 > Author(s): Yan Bao; Chengrong Wei; Enqi Su; Qi Zhang; Yongxiao Bai > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102061&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > The aim of this work was to synthesize a silver-chitosan composite to enhance the antibacterial properties of the composite by using as small an amount of silver as possible. The silver-chitosan composite was prepared using a facile method. The structure character of the silver-chitosan composite was characterized by X-ray diffractometry (XRD) and Fourier transform infrared spectroscopy (FT-IR). Its antibacterial activities were evaluated by measurements of the minimal inhibition concentration (MIC), inhibition zone diameter and the kinetics of antibacterial activity. The results indicated that silver was connected with the chitosan homogeneously and stably after initiation by potassium persulphate. The composite exhibited high antibacterial activity to Candida albicans with low MIC and relatively low optical density; it also had good antibacterial activity to Escherichia coli with larger inhibition zone diameter. 44 Refs. > > > > --- > > > **Title: FABRICATION, STRUCTURAL MORPHOLOGY AND THERMAL ENERGY STORAGE/RETRIEVAL OF ULTRAFINE PHASE CHANGE FIBRES CONSISTING OF POLYETHYLENE GLYCOL AND POLYAMIDE 6 BY ELECTROSPINNING** > Page Range: p.525-532 > Author(s): Yibing Cai; Xue Zong; Heng Ban; Qian Liu; Hui Qiao; Qufu Wei; Yong Zhao; Hao Fong > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102062&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > This study aimed at the development and characterization/evaluation of polyethylene glycol (PEG) encapsulated in supporting polymer matrices (e.g., electrospun nanofibres) as innovative form-stable phase change materials (PCMs) for storage and retrieval of thermal energy. Ultrafine phase change fibres consisting of PEG (acting as phase change materials) and polyamide 6 (PA6, acting as supporting materials) were successfully fabricated by electrospinning technique. The effects of PEG amount and two different molecular weights (Mn) of PEG on structural morphology and thermal energy storage/retrieval property of PEG/PA6 ultrafine phase change fibres were systematically studied by scanning electron microscopy (SEM) and differential scanning calorimetry (DSC), respectively. The SEM images showed that neat PA6 nanofibres were smooth with cylindrical shape, but the tubercles and/or beads in fibres were observed for PEG/PA6 ultrafine phase change fibres with increasing PEG amount and higher molecular weight of PEG. The average fibre diameters ranged from about 80 to 150 nm and increased with increasing the PEG amount and molecular weight of PEG, which resulted from the increased viscosity and decreased conductivity of composite spin dopes. The DSC results indicated that the enthalpies of melting and crystallisation of PEG/PA6 ultrafine phase change fibres increased with increasing PEG amount, and were lower than those of neat PEG powders. 32 Refs. > > > > --- > > > **Title: SHORT NYLON 6 FIBRE REINFORCED POLYSTYRENE/NATURAL RUBBER BLENDS: EFFECT OF MALEATED-POLYSTYRENE COMPATIBILISER** > Page Range: p.533-542 > Author(s): Jayalatha G; Kutty S K N > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102063&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > Nylon 6 short fibre was used to prepare composites based on blends of 85/15 Polystyrene (PS)/Natural rubber (NR) to study the effects of surface modification of the fibres and a compatibiliser based on PS. Initially, the loading of fibre, cut to 6 mm length, was varied from 0 to 3 wt.% in a 85/15 PS/NR blend. The composites were prepared on a Thermo Haake Rheocord mixer at 170 deg C and sheeted out on a two-roll mill. Tensile, flexural and impact test samples were punched out from sheets and tested to study the mechanical and dynamic mechanical properties. It was found that the tensile properties, flexural properties and impact strength increased with the fibre content up to 1 wt.%, above which there was a significant deterioration in the properties. The fibre surface was further modified by alkali treatment and a reactive compatibiliser based on maleic anhydride-grafted-polystyrene (MA-g-PS) was used in an effort to improve the performance of the composites. The treated Nylon fibre in conjunction with the compatibiliser improved the tensile properties, flexural properties and impact strength. Dynamic mechanical analysis showed that by using the modified fibre and the compatibiliser, the storage modulus of the composite could be significantly improved. The fibre-matrix morphology was studied by SEM analysis of the tensile fractured specimens. Examination of the fibre extracted from the treated fibre composites revealed that some fraction of the matrix was bonded to the fibre surface. These results suggest that a combination of hydrolysed fibre and MA-g-PS increases the interfacial adhesion between the fibre and the matrix. 41 Refs. > > > > --- > > > **Title: EFFECT OF RAPID COMPRESSION ON THE CRYSTALLIZATION BEHAVIOUR OF POLYETHYLENE** > Page Range: p.543-552 > Author(s): Ranran Zhuo; Chunguang Shao; Qian Li; Chenggang Liu; Ruijing Zhang; Yang Zhang; Wei Cao; Changyu Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102064&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.8 > > **Abstract** > The crystallisation behaviour of PE samples with different molecular weight was investigated through two different processes, concerning rapid compression (RC) and quench cooling (QC). The scanning electron micrographs, wide angle X-ray diffraction and Raman results showed that all the recovered samples were composed of spherulites. For the QC process, the effect of molecular weight on the spherulites morphologies was slight, but for the RC process, with increased molecular weight (MW), the growth rate as well as the final average diameter of the spherulites decreased remarkably. Additionally, for samples with the same MW, the mass fraction of the rigid amorphous phase of RC samples was lower. Furthermore, the crystallinity distributions in the longitudinal and latitude directions of the RC samples were both more uniform than those of the QC samples, implying that in the RC process, the pressure distribution was quite uniform and there was no pressure decay. 51 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-9/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: FIBER BRAGG GRATING SENSORS FOR FATIGUE MONITORING OF COMPOSITE Page Range: p.553-560 Author(s): Zhan-Sheng Guo; Jiemin Feng; Hui Wang; Hongjiu Hu; Junqian Zhang File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-9/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: FIBER BRAGG GRATING SENSORS FOR FATIGUE MONITORING OF COMPOSITE** > Page Range: p.553-560 > Author(s): Zhan-Sheng Guo; Jiemin Feng; Hui Wang; Hongjiu Hu; Junqian Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102065&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > > > **Abstract** > Fibre Bragg grating (FBG) sensor can be used to monitor the mechanical behaviour of composite. The internal strain of composite during a constant stress amplitude fatigue testing process was monitored with FBG sensors in this paper. FBG sensor as a fatigue indicator can reveal the decrease of Young's modulus of the specimen, which is a direct index of damage. FBG sensor can not only be embedded in composite laminates to detect fatigue damage, but also has excellent durability compared with other sensors such as electric strain gauge. After 1 million cycles, the FBG sensor can still keep good sensibility. FBG sensor as a fatigue indicator is a novel sensor to monitor, evaluate and give crash alert for the health state of composite during its whole service life. And also, a new and simple model of stiffness degradation was developed. This model can be used to predict the fatigue life of composite material. 31 Refs. > > > > --- > > > **Title: STUDY ON CURE-INDUCED RESIDUAL STRESSES FOR FIBRE METAL LAMINATE** > Page Range: p.561-564 > Author(s): Yue Guangquan; Zhang Jiazhen; Meng Songhe > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102066&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > During autoclave curing process, because of the mismatch between coefficients of thermal expansion of fibre layers and metal layers, residual stresses are developed in Fibre Metal Laminates (FML). In this paper, a three dimensional finite element model was developed to predict cure-induced residual stresses for FML. And then FML-2/1 and FML-3/2 structures (plate and L-shape) were studied with the finite element model. The results show that residual tensile stress is in metal layers and residual compressive stress is in fibre layers. Residual stresses in Fibre Metal Laminates are bigger enough to affect the deformation and fatigue performance. 11 Refs. > > > > --- > > > **Title: THE PREPARATION OF PALYGORSKITE CLAY MODIFIED WOODCERAMICS FROM WHEAT STRAW AND THE ABSORPTION OF THEM TO THE PHENOL WASTEWATER** > Page Range: p.565-572 > Author(s): Wu W T; Nie Z F; Tan F I; Xu F; Xu L; Gao K I > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102067&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > This paper used wheat straw and palygorskite clay as raw materials, and phenolic resin as adhesive. By the technologies of powdering, mixing, solidifying, moulding and sintering, the palygorskite clay Modified woodceramics were obtained. And it made use of these porous composite materials to research the adsorption of the phenol wastewater, which explored the adsorption effect of the composite materials on phenol and found out the optimum conditions of adsorption by changing the ratio of raw materials, sintering temperature, dosage of composite materials, oscillating time and pH. The result of the palygorskite clay Modified woodceramics prepared by different dosing ration of raw materials and sintering temperatures on phenol showed that the removal effect of the composite materials (wheat straw: palygorskite clay=5:1, sintering temperature = 900 deg C) on phenol was best. Using the palygorskite clay modified woodceramics to adsorb the phenol wastewater. It turned out that when the dosage of the composite materials was 0.5 g, the Oscillating time was 60 mins, and the solution temperature was 25 deg C, the composite materials adsorption efficiency on phenol was the highest. In addition, the higher the phenol solution concentration and pH, the lower the adsorption efficiency was. What's more, the absorbability of the composite materials on phenol corresponded with Feundlich adsorption model, and the saturated adsorption was 45.66 mg/L, which indicated that the palygorskite clay Modified woodceramics had strong adsorption effect to phenol. 30 Refs. > > > > --- > > > **Title: ANALYSIS OF MECHANICAL PROPERTIES OF CARBON /EPOXY COMPOSITES IN THE NEAR CRITICAL WATER DECOMPOSITION** > Page Range: p.573-580 > Author(s): Xuegang Jia; Yuyan Liu; Lan Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102068&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > Carbon fibre/epoxy resin composites have been widely used in many fields. However, they hardly melt at high temperatures or dissolve in any regular solvents. The recycling of carbon fibre/epoxy resin composites is one of the top research priorities. Carbon fibre/epoxy resin composite laminates consist of layers which are made of different materials. In near critical water, layers experience different forces, which result in the separation of layers and then accelerate the decomposition. In order to reach our final goal, decomposition of carbon fibre/ epoxy resin composite laminates in near critical water, the characteristics of stress and strain of carbon fibre/ epoxy resin laminates are necessary to know to guide the further study of decomposition. In this project, the stress and strain of carbon fibre/epoxy resin laminates in nearly critical water were analysed using the ANSYS software. The results showed that temperature and pressure affected stress and strain of laminates differently in X and Y directions. In addition, the increased number of layers of laminates will increase the interlaminar shear stress, peeling stress, and the strain in Y direction, but will decrease the strain in X direction. 19 Refs. > > > > --- > > > **Title: FINITE ELEMENT ANALYSIS OF THE FATIGUE CRACK TIP PARAMETERS IN THE GLASS FIBER REINFORCED ALUMINUM ALLOY LAMINATES UNDER TENSION-COMPRESSION LOADING** > Page Range: p.581-586 > Author(s): Bai Shigang; Zhang Jiazhen; Sha Yu; Zhou Zhengong > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102069&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > Elastic-plastic finite element analyses have been performed to study the compressive stress effect on fatigue crack growth of the glass fibre reinforced aluminium alloy laminates (GLARE) under applied tension-compression loading. The crack opening displacement and plastic zone size were obtained for the aluminium layer in GLARE. The differences of parameters near the crack tip under tension-compression and tension-tension loading were observed. The results have shown that the displacement and reverse plastic zone size continue to change with the applied compressive stress. Based on the finite element analysis results, a fatigue crack propagation model of GLARE has been proposed. 11 Refs. > > > > --- > > > **Title: NUMERICAL ANALYSIS OF BIRD IMPACT ON A GLARE PLATE** > Page Range: p.587-592 > Author(s): Liu Fu; Zhang Jiazhen; Hu Zhongmin; Zhang Mingyi > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102070&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > GLARE is a 'Glass Fibre Reinforced Epoxy/Aluminium FMLs (Fibre Metal Laminates)' and has been reported for its excellent impact resistance. In this paper, a numerical model for bird impact on an aluminium alloy plate was established, using the explicit finite element code PAM-CRASH first. A corresponding bird impact experiment was carried out and the simulations were compared with the experimental results. The good agreement between them confirms the accuracy of the numerical analysis model, including the Smoothed Particle Hydrodynamics (SPH) bird model and the aluminium alloy constitutive model. In the second part of the paper,, another simulation on a thinner 2024-T3 aluminium alloy plate was performed, which was used to determine the critical bird impact speed for the plate. By combining the Johnson-Cook model for aluminium alloy and Continuum Damage Mechanics (CDM) theory for the glass fibre reinforced composites, a constitutive model for GLARE was derived. Impact simulations on the GLARE plate with the same thickness and impact speed as the 2024-T3 plate shows no penetration on the GLARE plate and indicates that GLARE can effectively improve the impact resistance of a structure. 10 Refs. > > > > --- > > > **Title: COMPRESSION BUCKLING RESPONSE OF TOW-PLACED, VARIABLE STIFFNESS COMPOSITE PANELS WITH SINE CURVED AND TANGENT CURVED FIBERS** > Page Range: p.593-598 > Author(s): Qin Yongli; Zhu Yingdan; Yu Yueping; Yan Chun; Zhang Xiaoqing; Fan Xinyu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102071&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > Tailoring of composite laminated panels by Variable Angle Tow (VAT) steering fibres in their optimal spatial orientations provides a unique opportunity to maximize performance. Increased buckling response of the laminates by VAT steering technique may directly provide significant weight savings by redistributing loads in a benign manner. The aim of this work is to design tow-placed, variable stiffness composite panels with resistance to buckling by steering sine curved and tangent curved fibres. Buckling behaviours of two types of VAT panels and three typical types of straight fibre panels ([45/-45/0/90]s,[ plus/minus 45]2s, [0/90]2s) are investigated by finite element numerical simulations. It is found that the VAT panels with sine curved and tangent curved fibres show much better buckling performance to traditional straight fibre panels, with 9.25%-30.75% and 8.18%-29.47% improvement in buckling load respectively and a more uniform stress distribution. These results demonstrate that the design of composite laminated panels with sine curved and tangent curved fibre formats has the potential for buckling performance improvements in structural efficiency, and sine curved fibres may enhance buckling property of composite laminates better than tangent curved fibres do. 16 Refs. > > > > --- > > > **Title: TENSILE BEHAVIOR OF HYBRID PLAIN WOVEN FABRIC LAMINATE REPAIRED BY SCARFING METHOD** > Page Range: p.599-606 > Author(s): Liu Sui; Guan Zhidong; Guo Xia; Chen Jianhua; Xi Guofen; Cai Jing > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102072&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > Experimental investigation on tensile behaviour of hybrid plain woven fabric laminate repaired by scarfing method was conducted in the paper. There were 3 types of specimens with scarf ratio of 1:10, 1:20 and 1:30, respectively. Tests results indicated the tensile strength of repaired laminate increasing with scarf ratio and the specimen with the scarf ratio of 1:30 has the highest tensile strength which could reach 103.2% of the intact laminate strength. Besides, distinct differences were observed on failure mode of specimens with different scarf ratio. For specimen with scarf ratio of 1:10, damage initiated and propagated in repair zone while failure occurred outside repair zone for 1:30 specimen. A finite element model was developed with ABAQUS to simulate tensile behaviour of repaired specimens. The calculated results were in good agreement with test results. Based on the numerical model, influence of scarf ratio to stress distribution in adhesive, ultimate tensile strength and failure mode of repaired laminate was discussed. Results of the investigation provide insight into scarfing repair design method on hybrid plain woven fabric laminate. 21 Refs. > > > > --- > > > **Title: EFFECT OF SURFACE PROPERTIES OF T800 CARBON FIBERS ON EPOXY /FIBER INTERFACE ADHESION** > Page Range: p.607-612 > Author(s): Li-li Wang; Peng Li; Ling-cong Li; Yun-hua Yu; Xiao-ping Yang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102073&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > The purpose of this paper is to study the effect of surface properties of domestic sized-T800 carbon fibres on the epoxy/fibre interfacial adhesion by comparing with Toray sized-T800 carbon fibres. Surface chemistry analysis of the fibres was carried out by using X-ray photoelectron spectroscopy (XPS). The surface roughness of the carbon fibres was characterized by scanning electron microscope (SEM) and atomic force microscope (AFM). Dynamic contact angle analysis (DCAA) was selected to characterize the surface energy of the two types of carbon fibres. The interlaminar shear strength (ILSS) test, SEM and Dynamic mechanical thermal analysis (DMTA) were used to study the interface adhesion of the two carbon fibre reinforced epoxy composites. The results show that Toray sized-T800 carbon fibre/epoxy composite has higher interlaminar shear strength than domestic sized-T800/epoxy composite because Toray sized-T800 carbon fibres have more active and rougher surface than the domestic sized-T800 carbon fibres. 29 Refs. > > > > --- > > > **Title: DYNAMIC ANALYSIS ON COMPOSITE LAMINATES SUBJECTED TO LOW-VELOCITY IMPACT DAMAGE** > Page Range: p.613-618 > Author(s): Peng Qu; Xiaojun Guan; Jiaqi Nie; Guowei Zhu; Yuxi Jia > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102074&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.9 > > **Abstract** > The hierarchical and heterogeneous structure characteristics of composite laminates give rise to the difficulty in the study of the composite laminates damage under low-velocity impact. A numerical method for the evaluation of the impact damage was proposed on the basis of the continuum damage mechanics (CDM) and the cohesive zone model (CZM). The method can bring stable simulations and can effectively establish the relation between the mesoscale structure and the macroscopic response under impact. The evolution of the impact damage and the effect of single ply orientation on the impact damage resistance were investigated. It is found that the tangential delamination is the dominant form of the interface damage and more orientation of fibre can make the impact resistance improved. The prediction has a good agreement with the experimental results. The dynamic analysis is helpful for a thorough understanding of the evolution of low-velocity impact damages in composite laminates. 12 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: CURING KINETICS AND THERMAL PROPERTIES OF AROMATIC MULTIFUNCTIONAL EPOXY RESINS Page Range: p.1-12 Author(s): Mingming Yu; Zhengwei Zhou; Hang Lu; Aijun Li; Ruicheng Bai; Jinliang... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: CURING KINETICS AND THERMAL PROPERTIES OF AROMATIC MULTIFUNCTIONAL EPOXY RESINS** > Page Range: p.1-12 > Author(s): Mingming Yu; Zhengwei Zhou; Hang Lu; Aijun Li; Ruicheng Bai; Jinliang Sun; Musu Ren; Hefeng Hu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102075&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > > > **Abstract** > In order to investigate the relationship between the chemical structure of multifunctional epoxy resins and their properties, two tetrafunctional epoxies with different aromatic rings content in the molecular main chain, N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether (4,4'-TGDDE) and N,N,N',N'-tetraglycidyl-2,2-bis[4(4-aminophenoxy)phenyl]propane (TGBAPP), were cured with 4,4'-diaminodiphenyl ether (4,4'-DDE) and 2,2-bis[4-(4-aminophenoxy)phenyl]propane (BAPP), respectively. Then four amine curing systems (TGBAPP/ BAPP, TGBAPP/4,4'-DDE, 4,4'-TGDDE/BAPP and 4,4'-TGDDE/4,4'-DDE) were obtained. Additionally, the 4,4'-TGDDE and another TGDDE with m-glycidyl amino, named N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether (3,4'-TGDDE) were cured with methyl nadic anhydride (MNA). Then the anhydride curing systems (4,4'-TGDDE/MNA and 3,4'-TGDDE/MNA) were prepared. The curing kinetics and thermal properties of these systems were studied in detail. The results indicated that the anhydride curing systems exhibited higher curing reactivity than the amine curing systems, and the resins cured with the anhydride showed better thermal properties. Moreover, introducing more aromatic rings into the backbone would decrease the curing reactivity but enhance the thermal property of the multifunctional epoxy resins. And the tetrafunctional epoxy with p-glycidy amino groups had higher curing reactivity than the epoxy with p-glycidy amino groups, and the thermal property of the front epoxy was better. 28 Refs. > > > > --- > > > **Title: FROM AMINOLYSIS PRODUCT OF PET WASTE TO VALUE-ADDED PRODUCTS OF POLYMER AND ASSISTANTS** > Page Range: p.13-16 > Author(s): Ling-na Zhang; Li-zhu Liu; Qun-feng Yue; Chun-cheng Zhu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102076&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > In this work, the aminolysis depolymerisat of poly(ethylene terephthalate) PET was carried out with ethanolamine and several acetates as catalysts. The main product, bis(2-hydroxyethyl) terephthalamide (BHETA), was identified from FTIR and 1H NMR. It was found that PET depolymerisat is favoured by increasing temperature, time and catalysts. Results shown that under present conditions of aminolysis, the conversion of PET was 100% and high yield of BHETA. Moreover, aminolysis products have the potential to undergo further reactions to yield secondary value-added product, such as unsaturated polyesters, polyurethanes, epoxy resin hardeners and non-ionic polymer surfactants. 9 Refs. > > > > --- > > > **Title: PIPE STIFFNESS PREDICTION OF BURIED GFRP FLEXIBLE PIPE** > Page Range: p.17-24 > Author(s): Joon-Seok Park; Won-Hee Hong; Wan Lee; Jung-Hwan Park; Soon-Jong Yoon > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102077&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > In this paper, we present the result of investigations pertaining to the pipe stiffness (PS) of glass fibre reinforced polymer plastic (GFRP) flexible pipes buried underground. PS formula for the parallel plate loading condition is derived based on the elasticity theory. Vertical and horizontal displacements are also derived. In the study, the mechanical properties and structural behaviour of GFRP flexible pipes are investigated experimentally and the results are used in the analysis and design of these flexible pipes. Pipe stiffness of GFRP flexible pipe is investigated by the parallel plate loading test, the finite element analysis, and theoretical analysis. The results of pipe stiffness of the GFRP flexible pipe obtained by the experiment, theory, and the finite element analysis are compared and close agreements are observed. 13 Refs. > > > > --- > > > **Title: NUMERICAL SIMULATION OF THE MODE I FRACTURE OF ANGLE-PLY COMPOSITES USING THE EXPONENTIAL COHESIVE ZONE MODEL** > Page Range: p.25-30 > Author(s): Guowei Zhu; Peng Qu; Jiaqi Nie; Yunli Guo; Yuxi Jia > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102078&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > The cohesive zone model (CZM), which is based on the elasto-plastic fracture mechanics, is nowadays widely used in the numerical simulation of the composites ductile crack and progressive delamination. For the sake of tracking the angle-ply composites delamination evolution accurately, the exponential CZM is applied. At first the standard double cantilever beam (DCB) specimen is modelled using the exponential interface damage law to verify the feasibility of it. The simulated results are in good agreement with the analytical results and corrected beam theory. Then in order to investigate how the ply angle influences the mode I fracture, five laminates with different ply orientations, [012/012], [012/3012], [012/4512], [012/6012] and [012/9012], are studied. The main results are obtained as follows. The delamination evolutions corresponding to different ply angles are quite non-uniform. The unidirectional laminate exhibits the stable, continuous crack growth along the specimen, so does the [012/9012] specimen. Whereas the other three specimens show very uneven fracture surfaces. When the plies change from [012/012] to [012/9012], the stiffness along the specimen is gradually reduced correspondingly, so are the distance of the delamination propagation and the peak load, while the corresponding loading displacement increases slowly. The research provides the numerical simulation method to evaluate the multidirectional laminated composites fracture toughness, and then to optimize the composite performance by the design of ply angles. 15 Refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES AND FRACTURE BEHAVIOR OF DUAL-CURABLE EPOXYACRYLATE COMPOSITES FILLED WITH DIFFERENT FUNCTIONALIZED SILICA PARTICLES** > Page Range: p.31-38 > Author(s): Yu-Chieh Su; Chung-Yih Wang; Trong-Ming Don > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102079&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > To investigate the interfacial effect on properties of epoxyacrylate-silica composites, sub-micron silica particles were synthesised by sol-gel reaction in an ammonia/ethanol solution and their surfaces were endowed with different functional groups by reaction with several silanes including 3-methacryloxypropyl trimethoxysilane (MPTMS), vinyl trimethoxysilane (VTMS), 3-glycidoxypropyl trimethoxysilane (GPTMS) and 3-aminopropyl trimethoxysilane (APTMS). Except the APTMS-modified silica particles due to its severe aggregation, the modified silica particles with size ranging from 150~250 nm were then added to the pre-synthesized difunctional epoxyacrylate resin at a concentration of 15 phr, in addition to the photo- and thermo-curing agents. Tensile mechanical properties and the fracture toughness were all increased by adding the silica particles into the epoxyacrylate. Particularly, the composite filled with the MPTMS-modified silica particles (EA-MPS15) had the best performance. The reason is that the vinyl double bond of the MPTMS on the surface of the silica particles could took part in the curing reaction of the epoxyacrylate, thus providing strong interfacial chemical bonding between the silica particles and the polymer matrix and also improving the dispersion of the silica particles. The increase of fracture toughness was due to the crack deflection and particle-matrix debonding as evidenced by SEM pictures on the fracture surface. 13 Refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF SILICA/POLYMER ANTIFOGGING COATINGS** > Page Range: p.39-44 > Author(s): Chao-Chin Chang; Kuan-Chung Wang; Ching-Chung Chen; Liao-Ping Cheng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102080&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > This research work concerns the preparation of a bi-layer antifogging (AF) coating on a polycarbonate plastic substrate. The bottom layer, serving as a mechanical support, is an organic-inorganic composite that is formed by embedding colloidal silica in a crosslinked network of b-glycidoxypropyltrimethoxysiline. Atop this layer, a coating formulation incorporating glycidyl methacrylate and poly(ethylene oxide)-based hydrophilic species was applied and then UV-cured to yield a film exhibiting the AF effect. Solid-state 29Si-NMR and FTIR were employed to investigate the evolution of chemical bonds during the sol-gel and the UV-curing processes. Contact angles of water on the coatings were measured to examine the hydrophilicity of the coatings. Furthermore, industrial tests such as pencil hardness, tape adhesion, and steam tests were carried out to evaluate the performance of the coatings. 21 Refs. > > > > --- > > > **Title: THERMAL ANALYSIS OF A NOVEL TETRAFUNCTIONAL EPOXY RESIN CURED WITH ANHYDRIDE** > Page Range: p.45-50 > Author(s): Zhou Z W; Yu M M; Bai R C; Li A J; Sun J L; Ren M S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102081&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > The viscoelastic behaviour and thermal property of 3, 3'-diethyl-N, N, N', N'-tetraglycidyl-4, 4'-diaminodiphenylmethane (C2H5-TGDDM ) epoxy resin in presence of methyl nadic anhydride (MNA) as curing agent and 2-ethyl-4-methyl imidazole (2,4-EMI) as accelerator were investigated by dynamic mechanical thermal analysis (DMTA) in single cantilever mode at different frequencies and non-isothermal DSC-TGA, respectively. According to the DMTA data, the results show that the storage and loss moduli and loss factor curves were shifted to higher temperatures region with increasing frequencies. The value of glass transition temperature (Tg) is in the range of 224 deg C to 247 deg C, and the difference between the Tg determined by the loss modulus and loss factor peaks is ca. 15 deg C, and the glass transition activation energy was calculated. The results of DSC-TGA show that the curing and the decomposition heat-release peaks of epoxy resin were occurred at ca. 191 deg C and 360 deg C, respectively. The onset temperature of degradation is 324 deg C, and the epoxy resin system was heat-resistant. 16 Refs. > > > > --- > > > **Title: RATCHETING BEHAVIORS OF THE CARBON FIBER REINFORCED PEEK COMPOSITES: EXPERIMENTAL STUDY AND NUMERICAL SIMULATION** > Page Range: p.51-58 > Author(s): Zhiwu Zhu; Xu Liu; Xiangyu Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102082&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > In this study, uniaxial tensile tests were performed on the polyether ether ketone (PEEK) resins and the carbon fibre/polyether ether ketone (CF/PEEK) composites. The ratcheting behaviours of the CF/PEEK composites under stress-controlled cyclic loading were studied by using a combined experimental and finite element approach, with a particular emphasis on the effects of mean stress and stress amplitude. Based on the constitutive relation parameters obtained from the uniaxial tensile tests, the representative volume element model of the CF/PEEK composite was established by using ABAQUS and the random sequence of adsorption (RSA) algorithm. The experimental and numerical simulation results were compared under the same loading conditions. It was showed that a noticeable ratcheting occurred in the composites under the asymmetric stress-controlled cyclic loading and was positively related to the stress amplitude and mean stress. A good agreement between the experimental and simulation results was achieved in this study. Therefore, the finite element simulation is a useful method to predict the ratcheting strains of the CF/PEEK composites under different conditions. 16 Refs. > > > > --- > > > **Title: DAMAGE EFFECTS OF CHARGED PARTICLES IRRADIATION ON AN EPOXY RESIN** > Page Range: p.59-64 > Author(s): Yu Gao; Shangli Dong; Jianwen Bao; Yang Guo; Shaowei Lu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102083&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > In this study, the mass loss effect and the related outgassing of 5224 epoxy resin have been investigated. Subsequent irradiation of 160 keV proton and electron with the fluences ranging from 5.4x1015 to 3.75x1016 cm-2 in vacuum (1.2x10-5 Pa) was performed. The increase of the fluence of proton or electron made the mass loss ratios increase, then level off. The surface roughness of specimens increased followed by augmenting as the function of fluence. The outgassing rate of most molecule ions reached to maximum under the fluences ranging from 5.4x1015 cm-2 to 1.18x1016 cm-2. With further increasing fluence, the outgassing rate decreased owing to the effects of carbon enrichment or even carbonification developed gradually on the surface layer of the irradiated specimens. It is suggested that two events might play vital roles in dominating the magnitude of the outgassing rates: one is the formation of molecule ions; the other is the enrichment of carbon on the surface layer. 12 Refs. > > > > --- > > > **Title: EVALUATION OF PP/CLAY COMPOSITES AS SOUNDPROOFING MATERIAL** > Page Range: p.65-72 > Author(s): Jun Yan; Myung-Sub Kim; Kyung-Min Kang; Kyung-Hoon Joo; Yeon-June Kang; Sung-Hoon Ahn > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102084&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > Noise should be disappeared or reduced by using soundproofing materials in our daily life. Polypropylene (PP)/ Clay composites are interesting because of their physical and mechanical properties dramatically increased by small quantity of clay filled in PP matrix. In this paper, different types of specimens were made at 0.9, 2.9, 4.8, 6.5, 8.2 and 9.9 wt.% of organically modified clay reinforced PP (100 gram) by solvent based techniques. A heating press and laser cutting process were used to create specimens with thickness 3 mm, diameter 29 mm and 100 mm for high and low sound frequency test, respectively. The soundproofing property was measured by sound transmission loss (TL) through impedance tube method. The measured results showed that about 7~14.8 dB sound TL was increased for 29 mm diameter PP/Clay (6.5 wt.%) composite specimens compared with pure PP at 3200~6400Hz. And about 3.3~5.3 dB sound TL was increased for 100 mm diameter PP/Clay (6.5 wt.%) composite specimens compared with pure PP at 520~640Hz. In addition, mechanical properties of this composite were measured, and TEM images were taken in order to observe the micro-structure for research on relationship between soundproofing property and micromechanism. 24 Refs. > > > > --- > > > **Title: DEVELOPMENT OF A FINITE ELEMENT MODEL FOR PROGRESSIVE DAMAGE ANALYSIS OF COMPOSITE LAMINATES SUBJECTED TO LOW VELOCITY IMPACT** > Page Range: p.73-78 > Author(s): Yuequan Wang; Shuhua Zhu; Junwei Qi; Jun Xiao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102085&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > Fibre reinforced polymer laminates are susceptible to transverse low velocity impact which can cause significant damages, such as matrix cracks, delamination and fibre breakage. A 3-Dimensional (3-D) finite element model (FEM) is presented for the progressive damage analysis of fibre reinforced laminates subjected to low velocity impact. The constitutive equations of material used in the FEM are based on the continuum damage mechanics (CDM). The modified HASHIN failure criterions are used in the material model to detect the initiation of all the failure modes of laminates. A simplified material stiffness degradation scheme is used to characterize the material degradation due to damages. The failure criterions and material degradation scheme have been incorporated in the software ABAQUS/Explicit through the user defined material subroutine VUMAT. The available experiments of thin carbon fibre reinforced epoxy laminates subjected to low velocity impact were used to validate the developed FEM. The good agreement of the impact contact force history and damage area between the analysis results and the experimental data shows the validation of the developed FEM. 14 Refs. > > > > --- > > > **Title: INVESTIGATION OF THE INTERFACE PARAMETERS OF FIBER-REINFORCED COMPOSITE MATERIALS** > Page Range: p.79-84 > Author(s): Zhimin Xie; Dongliang Chai; Yanyan Weng; Haiwen Du > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102086&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.1 > > **Abstract** > Design of the interfacial properties is a significant fundamental issue in the field of composite materials. Much attention has been paid to the improvement of the interface strength, while there has been a little work concerning the mechanical design of the interface for fibre-reinforced polymers (FRPs) in which the fibre is transversely isotropic thanks to its orientation feature. Based on the conception of neutral inclusion and imperfect interface conditions, the interface parameters are obtained for the FRPs by using Kolosov constant. We demonstrate the effect of the thermal residual stresses on the neutrality for FRPs in this paper. If the interface has the properties of design parameters without consideration of thermal stress, the presence of thermal residual stress/strain would break the neutrality in the cases of equal-biaxial tension and pure shear. In particular, the neutral fibre does not exist unless the thermal stress is eliminated in the equal-biaxial tension. In the case of uniaxial tension, the neutral fibre does not exist in absence of thermal stress, while the neutrality would become possible by properly controlling the thermal residual stress. Because the large thermal residual stress will result in the formation of cracks in matrix, a trade-off design is necessary between the neutrality and the initiation of matrix cracking. 14 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MODELING OF COUPLED TEMPERATURE-DISPLACEMENT-DIFFUSION PROBLEM FOR SILICA-PHENOLIC COMPOSITE UNDER HIGH TEMPERATURE Page Range: p.85-90 Author(s): Shengbo Shi; Jun Liang File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MODELING OF COUPLED TEMPERATURE-DISPLACEMENT-DIFFUSION PROBLEM FOR SILICA-PHENOLIC COMPOSITE UNDER HIGH TEMPERATURE** > Page Range: p.85-90 > Author(s): Shengbo Shi; Jun Liang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102087&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > > > **Abstract** > Volume ablation process of resin-matrix thermoprotective composite is, generally, associated with complex physico-chemical changes, heat and mass transfer processes and irreversible changes of thermomechanical and thermophysical properties. The thermomechanical behaviour of resin-matrix thermoprotective material during volume ablation can be analysed as the coupled temperature-displacement- diffusion problem of porous elastomers under high temperature. Based on the ablative and thermoprotective mechanisms of silica-phenolic composite, the governing equations of the porous elastomers, such as equation of motion of solid phase, gas diffusion equation and energy conservation equation, were established. These governing equations were further modified using finite element method to obtain the element stiffness equation for each element. Additionally, the global stiffness equations were assembled and solved by Gaussian elimination method. The temperature distribution, pore pressure, strain and stress field in plane strain state were calculated when silica-phenolic composite was exposed to a constant radiant heat flux. 17 Refs. > > > > --- > > > **Title: ATOMISTIC STRUCTURE AND THERMODYNAMIC PROPERTIES OF SILOXANE PYROLYZED AMORPHOUS SILICON OXYCARBIDE** > Page Range: p.91-98 > Author(s): Xiaoguang Luo; Bangcheng Ai; Jijun Yu; Wenbo Miao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102088&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Atomistic models of amorphous silicon oxycarbide, a-SiCO with different compositional range between SiO2 and SiC are constructed by rapid quenching. Structural models consisting of 528-568 atoms are fully optimized by molecular mechanics based on ReaxFF force fields. The addition of carbon into SiO2 glass stiffens the network and increases the bulk modulus. For better understanding the thermodynamics properties of a-SiCO, the effect of pressure and temperature on the bulk modulus, heat capacity, Debye temperature and coefficient of thermal expansion are derived by the quasi-harmonic Debye model in virtue of standard thermodynamic relations. 20 Refs. > > > > --- > > > **Title: EXPERIMENTAL STUDY ON THE BEHAVIOR OF A NEW MULTILAYER SHIELD AGAINST HYPERVELOCITY DEBRIS IMPACT** > Page Range: p.99-104 > Author(s): Miao Changqing; Liu Bo > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102089&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > To protect the spacecraft from hypervelocity impact of the space debris, a new kind of multilayer shield laminated of aluminium layers and CFRP layers was designed and investigated. Three different shields with the same area density were manufactured, including single aluminium alloy layer, single CFRP layer, and multilayer of aluminium/CFRP. The hypervelocity impact experiment was carried, in which the hypervelocity projectile was launched by a two-stage light gas gun. To compare the hypervelocity impact behaviour and evaluate the protection ability of the different shields, the area and depth of the projectile pits were analysed. The experiments results show that the protection effect of the multilayer shield laminated of aluminium/CFRP layers is better than the single aluminium layer or the single CFRP layer, though they are in the same area density. 10 Refs. > > > > --- > > > **Title: CHARACTERIZATION OF STRENGTH OF CARBON FIBER REINFORCED POLYMER COMPOSITE BASED ON MICROMECHANICS** > Page Range: p.105-116 > Author(s): Wangnan Li; Hongneng Cai; Jie Zheng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102090&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Micro-mechanics of failure (MMF) is a micromechanics-based failure criterion for composites, which can be applied to characterize the composite strength accurately and reliably. The strength and mechanical properties of unidirectional laminate are measured by the static tensile loading and compressive loading tests as well as three points bending test. The micromechanics model is proposed to amplify the detailed mechanical and residual thermal stresses for the key points in the fibres and matrix. The critical MMF parameters are characterized by using the stress amplification factors and the measured strengths of unidirectional laminate. The carbon fibres reinforced plastic UTS50/E51 is used to demonstrate the application of MMF theory. The failure envelopes are constructed and compared on the basis of the MMF theory and Tsai-Wu failure theory. The failure mechanism and static tensile strength of quasi-isotropic laminate of polymer composites is studied based on MMF. The UTS50/E51 CFRP is used to demonstrate the application of theory of MMF. 14 Refs. > > > > --- > > > **Title: THE EFFECTS OF PARTICLE SIZE ON THE MORPHOLOGY AND PROPERTIES OF POLYIMIDE/NANO-AL2O3 COMPOSITE FILMS** > Page Range: p.117-122 > Author(s): Lizhu Liu; Hui Shi; Ling Weng; Jun Ding; Weiwei Cui > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102091&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Polyimide/nano-sized Al2O3 composite films based on pyromellitic dianhydride(PMDA) and 4,4'-oxydianiline(ODA) were synthesised by incorporation with different particle sizes of nano-Al2O3 via in situ polymerisation. The morphology and structure of composite films were studied by scanning electronic microscopy (SEM). The properties including the tensile strength, corona resistance, electric breakdown strength and dielectric properties were investigated. Results indicated that the size of Al2O3 nano-particles had a great effect on the microstructures of composite films. The smaller size of the Al2O3 particles, the more regularity of composite films were obtained. Properties testing results indicated that by increasing the Al2O3 particles' dimension would decrease the mechanical properties and electric breakdown strength of composite films, while the dielectric constant remain nearly stable. Results also showed that after Al2O3 addition, the corona resistance of composite films was improved, compared with that of pure PI films. The longest corona resistance time was obtained when the smallest Al2O3 particles was used, which had a three times longer than PI composite film with largest Al2O3 addition. 17 Refs. > > > > --- > > > **Title: PREPARATION, MORPHOLOGY AND DIELECTRIC PROPERTIES OF NANO-TIC/POLYIMIDE COMPOSITE FILMS** > Page Range: p.123-128 > Author(s): Weng Ling; Qianshan Xia; Liwen Yan; Cheng Wang; Maochang Cao; Lizhu Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102092&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > A series of nano-titanium carbide doped polyimide (nano-TiC/PI) composite films were successfully prepared via in situ polymerisation. The microstructure of the obtained composite films was characterized by the scanning electron microscopy (SEM). The effects of different TiC contents on the mechanical and thermal properties of composite films were investigated. Dielectric properties of the nano-TiC/PI composite films were analysed in detail with respect to different experimental parameters including frequency and filler concentration. Results indicated that the TiC particles dispersed homogeneously in PI matrix when its' content was below 15 vol.%. The addition of TiC particles could effectively improved the thermal stability of composite films. In comparison with pure polyimide film, the dielectric constant of the composite films with 5 vol.% TiC was significantly increased by thirteen times while the loss tangent only increased a little. Moreover, the composite films exhibited good dielectric stability over a wide range of frequency. The development of these novel polyimide composite films with favourable dielectric properties are potential for embedded capacitor applications. 17 Refs. > > > > --- > > > **Title: INFLUENCE OF LIQUID NITROGEN STEEPING ON MECHANICAL PROPERTIES OF A UNIDIRECTIONAL CARBON FIBER REINFORCED BISMALEIMIDE COMPOSITE** > Page Range: p.129-134 > Author(s): Shaoquan Wang; Shangli Dong; Yu Gao; Zhuyu Ye; Gang Lu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102093&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > The influence of cryogenic environment on mechanical properties of a unidirectional carbon fibre reinforced bismaleimide composite (T700/6421BMI composite) has been investigated in this study. Cryogenic treatment was performed by steeping the T700/6421BMI composite specimens in liquid nitrogen for 0, 24, 240, 480, 1200, 1920 and 2400 hours, respectively. After liquid nitrogen steeping treatment, the transverse tension test, three-point bending test, short beam shear test and impact test were carried out to evaluate the effect of steeping time on mechanical properties of the T700/6421BMI composite. The fracture surface morphology of typical specimens was examined by SEM while the chemical variation and interface damage of the composite were characterized by FTIR and DMA. The results indicate that mechanical properties of the T700/6421BMI composite are affected by liquid nitrogen steeping. The bending strength displays a tendency of decreasing firstly then rising with increase in steeping time, and the shear strength exhibits on the contrary. The total impact energy and crack propagation energy of the T700/6421BMI composite increases rapidly in the initial stage and increases slightly as increases LN2 steeping time. It is suggested that the mechanical properties of the T700/6421BMI composite after liquid nitrogen steeping might be dominated by interface state related to steeping time. With the increase in steeping time, the stress concentration in the surface of matrix and fibre induced by coefficient of thermal expansion (CTE) difference increases and might cause interface debonding. 9 Refs. > > > > --- > > > **Title: EFFECT OF CRYOGENIC CYCLES ON MECHANICAL BEHAVIOR OF GLASS/EPOXY COMPOSITE** > Page Range: p.135-140 > Author(s): Jiemin Feng; Hui Wang; Zhansheng Guo; Hongjiu Hu; Junqian Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102094&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Cryogenic cycling effects on the behaviour of two layer-up glass/epoxy laminates were studied. One cycle of cryogenic cycling test was designated as the sequence from 65 deg C to -196 deg C and the tests were conducted up to 80 cycles. Dynamic mechanic analysis tests were carried out to investigate the relationship between storage modulus (E'), loss modulus (E') or damping factor (tan m) and cycling numbers. It was found that the storage modulus changed little and the damping factor increased with the number of cryogenic cycles increased. Creep recovery tests were also preformed in single-cantilever mode by DMA to inspect the effect of cryogenic cycles on the creep behaviour of glass/epoxy composites. The variation of the reduced creep compliance was observed considered with the number of cycles. 29 Refs. > > > > --- > > > **Title: HYDROGEN ADSORPTION ON CA-DECORATED EPOXY-COATING GRAPHENE** > Page Range: p.141-146 > Author(s): Wenbo Liu; Yang Liu; Lifeng Hao; Zhonghai Xu; Fan Yang; Zhenqiang Zhu; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102095&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > The hydrogen adsorption of calcium-decorated epoxy-doped graphene has been studied by density functional theory calculations. Several models are set up and the optimized geometries are obtained. The interaction among epoxy functional groups, graphene and metal atoms is studied by analysing the electronic and band structures of the relaxed models. Mulliken population and the partial density of states are calculated to probe the nature of hydrogen molecules adsorption on this system. Our results demonstrate that this kind of stable material can be used as a promising hydrogen storage material. 36 Refs. > > > > --- > > > **Title: NUMERICAL SIMULATION OF BIRD IMPACT ON FIBRE METAL LAMINATES** > Page Range: p.147-156 > Author(s): Shuhua Zhu; Yuequan Wang; Mingbo Tong; Xiong Pan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102096&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > A finite element model of bird impact on the Fibre Metal Laminates (FMLs) was established with the smoothed particle hydrodynamics (SPH) and finite element method in the software PAM-CRASH. The bird was modelled with the SPH elements in order to avoid the bird mesh distortion. It studied the sensitivities of some important parameters to the dynamic response of bird strike on FMLs, which included the configuration of the FMLs, the orientation of the composite layup, and the type and thickness of the metal. The results of the simulation show that the bird strike ability of the configuration (2/1) is better than the configuration (3/2). The bird strike ability of FMLs with the composite layup [45 deg /-45 deg] is better than the composite layup [0 deg /90 deg ]. FMLs with aluminium alloy 2024T3 and metal thickness 0.4mm is the best for the anti-bird strike. Lastly, the bird strike simulation was carried out for the wing leading edge structures with three different skins, aluminium alloy skin and two FMLs skins. The analysis results show that the bird strike ability of the wing leading edge structures with FMLs skin is greatly improved. 11 Refs. > > > > --- > > > **Title: MECHANICAL PARAMETERS DETERMINATION OF A POLYMERIC MEMBRANE BY DIGITAL IMAGE CORRELATION** > Page Range: p.157-162 > Author(s): Lin Guochang; Tan Huifeng; Bai Xianghong > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102097&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Digital image correlation (DIC) is a powerful method for full-field strain test of polymeric materials and speckle pattern on the material's surface is a critical factor for the measurement accuracy. In this paper, a new speckle pattern technique is presented and used on mechanical parameter determination of a thin and soft polymeric membrane. The presented speckle pattern is generated by combination of image noise technology and film printing technique, and it is much easier to get fine speckle pattern compared with traditional spray speckle pattern technique which is a hard and time-cost work. To verify the validity of the presented speckle pattern technique, Young's modulus and Poisson's ratio are measured by presented speckle pattern and spray speckle pattern on a tensile testing machine. It is found that the measurement results by presented speckle pattern agree well with that by fine spray speckle pattern. With the presented speckle pattern technique, DIC becomes a more convenient and fast non-contact measurement technology for polymeric materials test. 19 Refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF ELASTOMERIC ETHYLENE TERPOLYMER REINFORCED POLY(ETHYLENE-CO-ISOSORBIDE TEREPHTHALATE)/MULTI-WALLED CARBON NANOTUBE COMPOSITES** > Page Range: p.163-168 > Author(s): Park J S; Kim S B; Kim H R; Nam B U > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102098&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Poly(ethylene-co-isosorbide terephthalate)(PEIT)/ multi-walled carbon nanotube (MWCNT) /ethylene terpolymer composites were prepared by a melt mixing process. The effects of MWCNT and the ethylene terpolymer of nanocomposites on the mechanical, thermal and electrical properties were investigated. MWCNT and ethylene terpolymer from 1 to 5 phr and 5 wt.% and 10 wt.% were added to the PEIT matrix, respectively. The thermal properties were evaluated by DSC and TGA. The morphology, mechanical properties and electrical characteristics were assessed by FE-SEM, a notched Izod impact strength tester and a surface resistance meter. As a result, we found that the PEIT/MWCNT/ethylene terpolymer composites have higher conductivity and better mechanical properties than neat PEIT resin. 25 Refs. > > > > --- > > > **Title: DYNAMIC COMPRESSIVE BEHAVIORS OF MULTI DIRECTIONAL WOVEN COMPOSITE LAMINATES AT DIFFERENT STRAIN RATES** > Page Range: p.169-176 > Author(s): Na Wang; Chongdu Cho > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102099&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > This paper discusses the experimental study on the response of multi directional satin weave E-glass/epoxy composite laminates subjected to quasi-static and high strain rate compression loading along in-plane direction. Composite laminates were fabricated from satin weave glass fabric reinforced epoxy matrix pre-impregnated tapes which were manually laid up into laminates with stacking sequence of [45/-45/0/90]13s. The low strain rate tests were conducted with an INSTRONTM testing machine, and the high strain rate tests done using a pulse shaper modified compression Split Hopkinson Pressure Bar (SHPB) apparatus. Compressive strength, modulus and strain at peak stress are evaluated experimentally at different strain rates. The results show that compressive strength, modulus and strain at peak stress are rate sensitive and enhanced at high strain rate compared with those at quasi-static loading. Under high strain rate loading, compressive strength and modulus increase as the strain rate increases. Optical and microscopic graphs on the specimens are carefully examined to determine operative failure modes. With the studied strain rate regimes, the failure modes are observed to change from splitting followed by fibre kink buckling to predominantly delamination and shear fracture as the strain rate increases from quasi-static to high strain rate. 26 Refs. > > > > --- > > > **Title: THE EFFECT OF CRACK RESISTANCE LAYER ON BALLISTIC PERFORMANCE OF LAMINATED COMPOSITES** > Page Range: p.177-180 > Author(s): Zhenqiang Zhu; Rongguo Wang; Fan Yang; Lifeng Hao; Weicheng Jiao; Yang Liu; Jianguang Zhang; Yanling Xu; Wenbo Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102100&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Crack resistance layer, a layer of aramid stuck on the surface of ceramics, can effectively prevent the splashing of fragment of a bullet under attack. It bounds the fragment within the structure and the friction between bullet and ceramics arouses tremendous energy consumption. Here, we compare the impact tests with and without crack resistance layer to investigate the effect of crack resistance layer. By analysing the friction between bullet and ceramic, the friction mass, and energy absorption, we study the nature of crack resistance layer protection behaviour. As the surface density of this structure increases 1%, the impact resistance and energy absorption efficiency are substantially enhanced. 28 Refs. > > > > --- > > > **Title: ENGINEERING METHOD FOR THE THERMAL MECHANICAL EROSION OF C/C COMPOSITE WITH THE MESOSCALE ABLATION MODEL** > Page Range: p.181-186 > Author(s): Deng Daiying; Yu Jijun; Yan Xiangqiao; Huang Fei; LuoXiaoguang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102101&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > A physical model to simulate the mesoscale morphology evolution of carbon fibre is established to characterize the thermal mechanical erosion behaviour of C/C composite in high temperature and high pressure gas flow. The process of mechanical erosion of single carbon fibre is calculated by the DSMC method. The fracture criteria and mesoscale mechanical erosion model of carbon fibre are developed by theory of mechanics of materials. Finally, an engineering method for prediction of mesoscale mechanical erosion is formulated, and the predictions agree well with the experiment results. 11 Refs. > > > > --- > > > **Title: COMPARISON OF THE MECHANICAL PROPERTIES BETWEEN 2D AND 3D ORTHOGONAL WOVEN RAMIE FIBER REINFORCED POLYPROPYLENE COMPOSITES** > Page Range: p.187-192 > Author(s): Qian Zhang; Xiaomeng Fang; Xiaojuan Sun; Baozhong Sun; Yiping Qiu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102102&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Polypropylene (PP) composites reinforced with ramie 2D plain fabric is widely developed recently. In this paper, PP composites reinforced by using 3D orthogonal woven ramie fabric under hot-press moulding process were made. The tensile and flexural strength of reinforced composites were tested and discussed. The results showed that the normalized tensile strength and the normalized tensile Young's modulus of 3D composite were significantly improved compared with that of 2D composites. The normalized flexural strength and the normalized flexural Young's modulus of 3D composite were also greatly improved. Overall results indicating that compared with 2D composite the 3D orthogonal woven ramie fabric could significantly improve the mechanical property of PP composites. 5 Refs. > > > > --- > > > **Title: NUMERICAL ANALYSIS FOR THE INTERLAYER TOUGHENING OF PIEZOELECTRIC SMART COMPOSITE PLATE** > Page Range: p.193-202 > Author(s): Bai Rui-xiang; Bai Haitong; Wang Mingchao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102103&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > The piezoelectric composite material could engender stress concentration resulting from small cracks during layers easily, as the cracks growth will lead to the failure of the whole structure. In this paper, a finite element model for piezoelectric composite materials by ABAQUS including interlayer crack was established, and the J integral and crack tip stress of different types PZT patches were calculated by using the equivalent integral method. Then, the J integral for adhesive layers with different thickness, elastic modulus considering and not considering piezoelectricity was investigated. The results show that the J integral of mode I, II reduces with thicker adhesive layer and lower elastic modules, and the J integral of mode II decreases more sharply than that of mode I. 22 Refs. > > > > --- > > > **Title: ENHANCEMENT OF TENSILE PROPERTIES OF FLAX FILAMENTS THROUGH MERCERIZATION UNDER SUSTAINED TENSION** > Page Range: p.203-208 > Author(s): Yuanyuan Xia; Guijun Xian; Hui Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102104&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > In the present paper, the tensile properties of flax filaments were modified through mercerisat under sustained tension forces. The tensile stress-strain curves of the treated filaments exhibit two stages. The slope of the first stage is much higher than the second one. The mercerisat under sustained forces leads the two-stage characteristic to be more obvious. The effect of the sustained tension force on the tensile properties of filaments is dependent on the alkaline concentration. The tensile properties were only remarkably enhanced with high concentration of alkaline (e.g., > 10%) and sustained forces. Compared to the untreated filaments, the maximum tensile strength and modulus with optimum treatment conditions are improved by about 36% and 64% respectively. SEM and X-ray diffraction (XRD) analysis suggested that the enhancement of the tensile properties of the treated flax filaments comes from the orientation of amorphous cellulose molecular chains of micro fibrils and remove of the defects of the filament surfaces. 9 Refs. > > > > --- > > > **Title: EFFECT OF FUNCTIONALIZATION OF MULTI-WALLED CARBON NANOTUBES ON THE ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER RESIN COMPOSITES** > Page Range: p.209-214 > Author(s): Jiuxing Jiang; Zhenhua Wang; Fan Xu; Jianjun Xu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102105&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > As the unsaturated polyester resin (UPR) has multiple functional groups, it can be solidified at ambient temperatures and pressures. But the low mechanical properties limit its application. In this paper, the functional multi-walled carbon nanotubes (MWCNTs) were modified by maleic anhydride to synthesize UPR composites by condensation reaction. Then we obtained the UPR composites with oriented MWCNTs by application of external electric field. The microstructure, electrical conductivity and mechanical properties of UPR composites were investigated by scanning electron microscope, infrared spectroscopy, impedance analyser and universal testing machine. It was found that the composites are anisotropy and the tensile strength and bending strength of composites with 0.5 wt.% lengthways MWCNTs are improved by 70%, 43%, the compressive strength with 0.5 wt.% is improved by 90%, the electrical conductivity increased to 10-7 S/cm when the contents reach to 1%. 17 Refs. > > > > --- > > > **Title: STUDY OF THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF PBSN ALLOYS DEPOSITED ON CARBON FIBER REINFORCED EPOXY COMPOSITES** > Page Range: p.215-220 > Author(s): Chang Liu; Dajun Song; Lifeng Hao; Fan Yang; Weicheng Jiao; Rongguo Wang; Minghua Chen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102106&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > In this paper, four groups of the plasma spray process parameters (g1, g2, g3 and g4) of PbSn coatings deposited on carbon fibre reinforced epoxy composites (CFRE composites) were examined. The microstructure and phase composition of the as-sprayed coatings have been examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The bonding strength of the coatings to the substrates was detected on a RGD-5 tensile testing machine. Results indicate that the melting extent and the bonding strength of the coatings were evidently improved and the porosity decreased with the g3 parameters. However, the phases and the content of crystalline of PbSn coatings were slightly changed with all of the parameters. 11 Refs. > > > > --- > > > **Title: FABRICATION AND CHARACTERIZATION OF POLYIMIDE/ALN NANOCOMPOSITE FILMS** > Page Range: p.221-226 > Author(s): Chen Minghua; Yin Jinghua; Song Dajun; Liu Xiaoxu; Feng Yu; Su Bo > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102107&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 2 > > **Abstract** > Polyimide/AlN (PI/AlN) nanocomposite films were prepared by in-situ polymerisation method with different doping concentrations and their microstructures were investigated by small angle X-ray scattering (SAXS) technique. Analysed SAXS results indicate the average diameters of the nanoparticles in hybrid films distribute from 55 nm to 60 nm, which are consistent with the observation from Scanning Electron Microscope (SEM). The Fourier Transform Infrared Spectroscopy (FTIR) results confirm the formation of AlN particles in the PI matrix. The effects of content on the dielectric constant, loss tangent, breakdown strength and corona ageing were studied. The corona resistant time of PI/AlN with 20 wt.% doping concentration is 58.5 hours, which is twenty times more than that of pure PI. The results show that the corona resistance of PI/AlN has been improved significantly. 14 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: DEVELOPMENT OF FILAMENT WOUND COMPOSITE ISOTENSOIDAL PRESSURE VESSELS Page Range: p.227-232 Author(s): Lei Zu; Sotiris Koussios; Adriaan Beukers; Dinghua Zhang File size: Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: DEVELOPMENT OF FILAMENT WOUND COMPOSITE ISOTENSOIDAL PRESSURE VESSELS** > Page Range: p.227-232 > Author(s): Lei Zu; Sotiris Koussios; Adriaan Beukers; Dinghua Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102131&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > > > **Abstract** > Filament wound isotensoidal structures are recently gaining more attention for designing composite pressure vessels. In this paper we present the governing equation for creating geodesic-isotensoids based on the netting theory and geodesic winding law. The feasible intervals of the isotensoid-based design are also determined. The isotensoid-based dome profiles are determined by solving the governing equation with geometrical and initial winding conditions. When the applied axial load reaches a certain magnitude, the isotensoidal toroids can be obtained by forcing the isotensoid-based dome profile to become closed. The comparisons of the cross-sectional shapes between the isotensoidal dome and the hemispherical dome, and between the isotensoidal toroid and the circular toroid, are performed to demonstrate the preferable performance of the isotensoids. It is concluded that the isotensoid-based design leads to uniform fibre tension throughout the whole shell and the resulting structure can thus be considered as optimal for a pressure vessel. In addition, the isotensoid-based profiles show lower aspect ratios than the conventional vessel profiles under the given volume and internal pressure. Therefore the structural performance and the conformability to limited-height storage space of pressure vessels can be improved using the isotensoid-based design. 23 Refs. > > > > --- > > > **Title: A STUDY ON THE NONDESTRUCTIVE EVALUATION OF CARBON/ CARBON BRAKE DISKS USING INFRARED THERMOGRAPHY** > Page Range: p.233-240 > Author(s): Hee Jae Shin; In Pyo Cha; Min Sang Lee; Sun Ho Ko; Hong Gun Kim; Lee Ku Kwac > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102132&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > Carbon/carbon brake disks that use carbon fibres impregnated in a carbon matrix are widely utilized in aircrafts and automobiles owing to their high strength, high heat conductivity, low density, and excellent overall mechanical properties. Carbon/carbon brake disks are high cost products and require multi-process manufacturing. The safety and material efficiency of defective products reduces significantly and nondestructive testing is required to monitor the quality, homogeneity, and integrity of the material. In general, radiographic evaluations pose safety problems owing to the use of radiation in such evaluations and ultrasonic flaw detection is difficult to use because of its dependence on the surface of the specimen. This study uses an infrared thermography camera technique, which is not influenced by the sample surface, to monitor the heterogeneity of materials during the manufacturing process and to thus prove the reliability of the method. 15 Refs. > > > > --- > > > **Title: CRYSTALLIZATION BEHAVIOR OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER REINFORCED POLYAMIDE 66 IN SITU COMPOSITES** > Page Range: p.241-246 > Author(s): Qunfeng Yue; Chuncheng Zhu; Shengrong Yang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102133&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > This paper studies the non-isothermal crystallisation kinetics of polyamide 66 (PA66) and thermal liquid crystal polymer (TLCP) in situ composites with contents of TLCP is 1 wt.% by differential scanning calorimetry (DSC) at various cooling rates. The results show that TLCP acts as nucleator for PA66 matrix accelerating the crystallisation. It is speculated, from Avrami exponent and Liu method, that there is a strong hydrogen bonds between -NH-, -CO- groups of PA66 and -COOH and/or -OH groups of TLCP. Kissinger method is employed to obtain the activation energy of the crystallisation process and the results indicated that the addition of TLCP may entice the crystallisation of PA66 matrix. 10 Refs. > > > > --- > > > **Title: HEMP REINFORCED COMPOSITES WITH ALKALIZATION AND ACETYLATION FIBRE TREATMENTS** > Page Range: p.247-252 > Author(s): Wang H; Kabir M M; Lau K T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102134&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The increasing ecological and environmental concerns have led to the development of natural fibre composites. Chemical treatments are usually used to modify the surface of fibre to improve the bonding between fibre and resin. Alkalization and acetylation were used in this study to treat the hemp fibre. It was found that the chemical treatments remove the impurity and lignin, increasing the cellulose content of the hemp fibre. Removal of the surface lignin and hemicelluloses also exposes more active hydroxyl groups from cellulose to react with matrix. All these lead to the increase of mechanical properties. It is also noticed that excessive treatment is detrimental to the fibre internal structure itself and weaken the fibre. 16 Refs. > > > > --- > > > **Title: MICRO-GEOMETRY MODELING BASED ON MONTE CARLO AND PERMEABILITY PREDICTION OF YARN** > Page Range: p.253-260 > Author(s): Bo Yang; Tianguo Jin > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102135&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > In order to simulate the resin filling process of Liquid Composite Modelling (LCM) such as Resin Transfer Moulding (RTM) effectively, the permeability tensor field of preform is needed to be predicted accurately in advance. In the several existing micro-permeability prediction models, the fibres are assumed to be regularly arranged (quadratic or hexagonal) to simplify the flow analysis, they all ignore the randomness of the fibre distribution in yarn. The micro-permeability is a preform property depending strongly on the preform's micro-geometry, so building the micro-geometry close to the real structure is significant to predict the micro-permeability of preform. In this work, we present a Monte Carlo moving method to obtain the fibre random distribution on the front and rear cross sections of yarn segment, then build the geometry model of the yarn segment, adjust the centre path line of fibre model by Bezier method, establish the micro-geometry model of yarn close to the real structure containing both axial and radial random factors. The micro-geometry model consisting of ~100 fibres is built using the mentioned method, the fibre volume fraction varies from 0.15 to 0.90, and CFD simulations are carried out to determine their permeability values. The results show that compared to the regular fibre arrays, the disordered fibre arrays have a greater axial permeability, and two special transverse flow effects emerged as the disorder of fibre distribution, named local channelling effect and local obstructing effect. Relative to the theory predicted transverse permeability, the simulated permeability increases in the high porosity yarn as the channelling effect dominates the liquid flow, vice versa, the simulated permeability decreases in the low porosity yarn since the obstructing effect dominates the liquid flow, the simulation results agree well with the experimental ones, indicating the validity of the micro-geometry modelling method. 14 Refs. > > > > --- > > > **Title: PIEZOELECTRIC MODAL DAMPING PERFORMANCE OF 0-3 PIEZOELECTRIC COMPOSITE WITH CONDUCTING PHASE: NUMERICAL ANALYSIS AND EXPERIMENTS** > Page Range: p.261-268 > Author(s): Hongming Zhang; Xiaodong He; Fan Yang; Lifeng Hao; Zhonghai Xu; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102136&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The piezoelectric modal damping performance of 0-3 piezoelectric composite is discussed in this paper. The piezoelectric damping consisting of PZT piezoelectric ceramic, epoxy (EP) and electric carbon black (CB) is analysed by a numerical prediction method. The finite element analysis (FEA) method is used to predict the effective property of the 0-3 piezoelectric composites. And then the shunted piezoelectric theory is applied to predict the piezoelectric modal damping of 0-3 piezoelectric composites. The results show that the numerical results are accurate to predict the piezoelectric modal damping compared to the experimental results. Doping appropriate amount of CB can improve the damping of 0-3 piezoelectric composite. This work will help to predict the value of piezoelectric modal damping of the 0-3 piezoelectric composite and to optimize the damping design. 14 Refs. > > > > --- > > > **Title: INTERFACIAL PROPERTIES OF NANO-SILICA MODIFIED CFRPS UNDER CRYOGENIC CONDITION** > Page Range: p.269-274 > Author(s): Rongguo Wang; Chengwei Zhang; Lifeng Hao; Weicheng Jiao; Fan Yang; Wenbo Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102137&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The change of interface performance between carbon-fibre and matrix resin influence the properties of carbon fibre reinforce polymer composites (CFRPs) when temperature was changed from room temperature to cryogenic conditions. In order to find the interfacial properties of epoxy/nano-silica matrix CFRPs under cryogenic conditions, the interfacial shear strength (IFSS) and the interlaminar shear strength (ILSS) were investigated at room temperatures and 77K respectively. The morphology of fractured interface was investigated by scanning electron microscope (SEM). The results show that there are higher mechanical properties of interface at 77K condition. 11 Refs. > > > > --- > > > **Title: STRUCTURAL DESIGN AND MULTI-OBJECTIVE EVALUATION OF COMPOSITE BLADED PROPELLER** > Page Range: p.275-282 > Author(s): Hong Y; Hao L F; Wang P C; Liu W B; Zhang H M; Wang R G > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102138&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > This paper describes the work to design a composite bladed marine propeller. The hydrodynamic load and the nonlinear structural responses are predicted by the coupled FEM/CFD method. A pre-twist strategy is used to determine a new geometry of the composite bladed propeller for improving the hydrodynamic performance. Different material schemes and symmetric stacking sequences are considered as the design parameters. An evaluation method of multi-objective function is presented for optimizing the strength, deflection and mass at design conditions. Numerical results are obtained and the optimal design scheme of the composite bladed propeller is obtained. 15 Refs. > > > > --- > > > **Title: EFFECT OF FIBER SURFACE ON THE INTERFACIAL PROPERTIES FOR CARBON FIBER REINFORCED POLYMER COMPOSITES** > Page Range: p.283-288 > Author(s): Wenbo Liu; Shu Zhang; Lifeng Hao; Xueying Zhao; Weicheng Jiao; Fan Yang; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102139&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > We studied the effect of carbon-fibre surface on interfacial properties of carbon fibre reinforced plastic composites. Surface morphology and chemical composition of T-Series carbon fibres made in Japan were analysed by scanning electron microscope and X-Ray photoelectron spectra. The wettability between carbon fibres and epoxy resin was characterized by dynamic contact angle testing. The interfacial shear strength was obtained by microbond testing, and the destruction morphology of the interface observed that was used to determine the failure mechanism. 16 Refs. > > > > --- > > > **Title: EXPERIMENTAL STUDY OF THE ELECTRICAL RESISTIVITY OF GLASS-CARBON/EPOXY HYBRID COMPOSITES** > Page Range: p.289-292 > Author(s): Xin Liu; Zhanjun Wu; Rongguo Wang; Jia Yan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102140&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The electrical resistivity of composite materials varies with the changing of structural parameters, and this feature could be used to improve their electromagnetic wave absorbing property. This work investigated the electrical resistivity of hybrid composites aiming at radar absorbing structures. The glass-carbon/epoxy hybrid composites with different structural parameters were prepared by filament winding machine. And the effects of hybrid style, hybrid ratio, curing pressure, fibre distribution and fibre orientation on electrical resistivity were tested. As the test results shown, firstly, the electrical resistivity of interlaminated hybrid composites is larger than that of intraply hybrid composite; secondly, the electrical resistivity of hybrid composite is inversely proportional to the content of carbon fibre; thirdly, the electrical resistivity of hybrid composite with carbon fibre homogeneous distribution is larger than that of hybrid composite with inhomogeneous distribution; finally, the electrical resistivity of hybrid composite would decrease with the curing pressure increasing. Interestingly, there are similar rules in the vertical and parallel direction of the fibres. These results are helpful to control and adjust the electrical resistivity of glass-carbon/epoxy hybrid composites. 11 Refs. > > > > --- > > > **Title: TENSILE PROPERTIES OF EPOXY WITH MICROCAPSULES AND IMIDAZOLINE DERIVATIVES CURING AGENT AND INTERLAMINAR SELF-HEALING PROPERTIES OF CARBON FIBER REINFORCED EPOXY COMPOSITES** > Page Range: p.293-298 > Author(s): Honglin Hu; Lifeng Hao; Rongguo Wang; Wenbo Liu; Fan Yang; Weicheng Jiao; Zhonghai Xu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102141&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > Microcapsules are inevitable defects in the resin matrix, which would greatly influence on mechanical performance of structural material. Therefore, a balance value of microcapsule's content between self-healing properties and mechanical properties should be provided for fabricating adequate self-healing materials. Epoxy resin with epoxy-containing microcapsules and latent hardener 2MZ-AZINE, and carbon fibre reinforced epoxy composites were prepared. The tensile properties of epoxy resin with epoxy-containing microcapsules or 2MZ-AZINE were investigated. As the increase of content of latent hardener 2MZ-AZINE, tensile modulus and tensile stress of epoxy with 2MZ-AZINE decreases. The tensile stress of epoxy samples decreases with the enhancement of content of epoxy-containing microcapsules. Tensile modulus of epoxy with microcapsules decreases with the increase of microcapsule content below 10 wt.%, and tensile modulus increases above 10 wt.%. Considering the self-healing ability of epoxy sample, the content of microcapsules and latent hardener are concluded to 15 w% and 2 w%, respectively, offering a ~24.7 MPa tensile stress. The maximum interlaminar self-healing efficiency in this research is only 31.98% recovery of interlaminar tensile stress (epoxy resin matrix with 15 w% microcapsule and 2 w% latent hardener 2MZ-AZINE). As a consequence, this research provided the mechanical parameter for fabricating carbon fibre reinforced epoxy composite. 15 Refs. > > > > --- > > > **Title: PREDICTION OF DELAMINATION BUCKLING AND GROWTH BEHAVIOR IN LAMINATED COMPOSITES WITH COEXISTING DELAMINATIONS** > Page Range: p.299-308 > Author(s): Fan Yang; Zhonghai Xu; Lu Zhang; Weicheng Jiao; Wenbo Liu; Xiaodong Sui; Jianguang Zhang; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102142&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > Finite element method (FEM) using cohesive element is developed to predict delamination buckling and growth behaviour in laminated composites with coexisting delaminations under compressive loading. It is shown that the buckling behaviour of coexisting delaminations is far more complicated than single embedded delamination. In the course of delamination buckling and growth, a parametric study was carried out to investigate the influence of the distance between coexisting delaminations, delamination size and depth position of a series of composite plates. In particular, a three zone rule was put forwarded to define the interaction behaviour between coexisting delaminations. Moreover, it is shown that the potential of delamination growth strongly depends on the distance between coexisting delaminations. 27 Refs. > > > > --- > > > **Title: THERMAL AGING BEHAVIOR OF CARBON FIBER/EPOXY COMPOSITES AT HIGH TEMPERATURE** > Page Range: p.309-312 > Author(s): Rongguo Wang; Long Jiang; Zhonghai Xu; Fan Yang; Lifeng Hao; Weicheng Jiao; Wenbo Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102143&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > To investigate the thermal ageing mechanism of carbon fibre/epoxy composites under high temperature (around 110 deg C), the present study examined the inter-laminar shear properties and curing degree. Experimental results showed the inter-laminar shear strength of carbon fibre/Epoxy composites firstly increased following with the ageing time increase which caused by secondary cure, then reduced for long-term of thermal stresses. Fourier transform infrared spectroscopy analysis revealed that the hydroxy functional groups had a certain growth which confirmed that secondary cure occurred during thermal ageing. Electron paramagnanetic resonance results indicated that the increase of the intensity of free-radicals may cause by the chain breaking. Also scanning electron microscopy (SEM) images of fracture surface indicated that carbon fibre and matrix had well combination, which contributed to the better residual shear properties. 7 Refs. > > > > --- > > > **Title: RESEARCH ON NUMERICAL SIMULATION OF HEATING PROCESS OPTIMIZATION OF HEATED-MANDREL WINDING METHOD** > Page Range: p.313-322 > Author(s): Xu Jiazhong; Wang Rongguo; Qiao Ming; Yu Ying > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102144&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The heated-mandrel winding method (HMWM) is a new technology. However, the trial-and-error method usually used is not universally adopted in the manufacturing process of shells that have different shapes and performance requirements. Determining the heating process for the HMWM based on theoretical analysis has become an immediate problem. In this paper, a numerical simulation program for the HMWM is developed using the finite element software ANSYS and the programming language APDL. The entire process, which starts with the winding process and ends with the complete curing, is numerically simulated. The temperature distribution and change law, curing degree, and reactive calorific intensity are analysed. The relationship between the heating process and the outer surface temperature changes of the composite shell is derived based on the principle of temperature control in the HMWM. The heating process is optimized in accordance with the analysis, and the experimental results show that, based on the optimized heating process, the outer surface temperature range of the shell can be controlled during the winding process. Furthermore, the complex interactions among the temperature, curing degree, film coefficient, and heat transfer coefficient of the composite are investigated. This provides the basis for the technology optimisation based on theoretical considerations. 17 Refs. > > > > --- > > > **Title: OPTIMAL DESIGN OF LIGHTWEIGHT COMPOSITE PRESSURE VESSEL BY USING ARTIFICIAL IMMUNE ALGORITHM** > Page Range: p.323-328 > Author(s): Weicheng Jiao; Yue Niu; Lifeng Hao; Fan Yang; Wenbo Liu; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102145&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > This research aims to optimize the weight of composite overwrapped pressure vessel (COPV) under internal pressure. In the paper, a new design method based on the clonal selection principle in the biological immunology is proposed to solve the minimum weight problem under the burst pressure constraint. The method consists of three main parts: the non-geodesic path algorithm, variable stiffness analysis algorithm and artificial immune algorithm. A software called SimWind 1.0 was developed on the basis of this method in order to design the composite pressure vessel rapidly and efficiently. Finally, a representative carbon fibre composite pressure vessel with ultrathin Al liner was designed and fabricated by using this new design method and the software. 17 Refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES OF SELF-HEALING CARBON FIBER-EPOXY COMPOSITE STITCHED WITH MENDABLE POLYMER FIBER** > Page Range: p.329-336 > Author(s): Yang T; Du Y; Li Z M; Wang C H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102146&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > Carbon fibre composites are self-healed by advance embedding of repairing agents in the composites. However, the repairing agent will influence the mechanical properties of the carbon fibre composites. In this study, poly(ethylene-co-methacrylic acid) (EMAA) filaments were stitched into carbon fibre-epoxy laminates to create a three-dimensional (3D) self-healing fibre system. Specimens with unmodified and self-healing laminates were manufactured. The mechanical properties of the carbon fibre-epoxy composite stitched with mendable polymer fibre for self-healing and unmodified laminates were compared experimentally. Results from the double cantilever beam test revealed that the stitched EMAA fibres increased the mode I interlaminar fracture toughness of the laminate by ~120%. However, short-beam shear (SBS) strength of the composite laminates with the healing agents was slightly degraded, with a 37% reduction in the average SBS strength. The compressive-after-impact assessment showed that the strength was reduced by 6.6%. C-Scan revealed the 3D inter-connected self-healing EMAA network within the composite laminates. 25 Refs. > > > > --- > > > **Title: HEALING CARBON FIBER/POLYMER INTERFACE BY RESISTIVE HEATING** > Page Range: p.337-340 > Author(s): Rongguo Wang; Zhenxing Cao; Lifeng Hao; Weicheng Jiao; Fan Yang; Wenbo Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102147&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > Interface is the key region which determines, to a great extent, the set of properties of all heterogeneous systems, including composite materials. We reported interface healing of carbon fibre reinforced thermoplastic composite material via resistive heating. The carbon fibre, T700 carbon fibre, with a resistivity of 1.66 x 10-3 -(.)cm was used as the heating element while the matrix is polyarylether sulphone with cardo. Micro-droplet experiment was used to study the interface strength before and after heating to determine the healing efficiency. The measurement shows (experimental results show) that resistive heating is an efficient way to heal cracks near interface. 8 Refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF MDI-BASED POLYESTER POLYURETHANE ELASTOMER** > Page Range: p.341-346 > Author(s): Feng Yuan; Wenbo Liu; Fan Yang; Zhenqiang Zhu; Lifeng Hao; Jian Zhang; Weicheng Jiao; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102148&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > Polyurethane has been usually used as protective coating on structures, with an important mechanism being the impact-induced transition of the rubber to the glassy state. The better the mechanical property, the greater the mechanical loss, the wider the Tg range, and the Tg is more close to, but less than, the operating temperature, the better the protective coating. Here, the pre-polymer method is adopted to synthesize MDI-based polyester polyurethane (TPU) which has different hard segment contents. The influence of the hard segment content on the relevant performance of TPU is investigated. With the increase of the hard segment content, the tensile strength, Tg of the soft segment phase and the mechanical loss increase, while the viscosity of reaction solution increases rapidly, the elongation at break declines sharply, and the range of the Tg becomes narrower and narrower. Therefore, in order to obtain excellent protective coating, the hard segment content should not be too high. Testing proves 16.18% hard segment content to be most effective. 14 Refs. > > > > --- > > > **Title: SIMULATION AND EXPERIMENTAL STUDY ON MICRO-CRACK TOUGHENING MECHANISM FOR ATTAPULGITE/EPOXY NANOCOMPOSITE** > Page Range: p.347-354 > Author(s): Jian Zhang; Wen-bo Liu; Lifeng Hao; Feng Yuan; Zhonghai Xu; Fan Yang; Rongguo Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102149&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The main purpose of this article is to study the effect of adding attapulgite nanoparticle into the polymer on micro-crack toughing. Commercial softwares Abaqus and ANSYS were utilized to simulate the stress field and the crack expanding condition in the attapulgite/epoxy composite. The pure polymer and the nanoparticle modified polymer were prepared to investigate the effect of the nanoparticle on the crack conditions of the composite. The simulation results showed that the nanoparticle enhanced the polymer by the stress field concentration around the nanoparticle which consumed more energy, made the matrix absorb less deformation energy, and hindered the extension of crack. The result of tensile experiment indicated that the tensile property was improved by adding nanoparticle into epoxy polymer. The Scan Electric Microscope image of the fracture surface indicated that the nanoparticle changed the fracture mechanism of the composite. 10 Refs. > > > > --- > > > **Title: NON-ISOTHERMAL SIMULATION OF RESIN TRANSFER MOLDING PROCESS WITH EDGE EFFECT** > Page Range: p.355-360 > Author(s): Yanyu Ding; Yuxi Jia; Shuhua Dong; Yihan Xu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102150&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > The resin infiltration stage during the resin transfer moulding process is complicated, which involves the edge effect, resin curing reaction and heat transfer phenomenon. In this paper, considering the edge effect, the integrated investigation on curing reaction, physical property, two-dimensional resin flow and three-dimensional temperature distribution is implemented in theory and numerical simulation. And then the evolution of coupling physical fields, such as resin temperature, curing degree and resin viscosity, is analysed numerically. The present study is helpful for understanding the complex relationships among a variety of parameters during the reactive filling process. 12 Refs. > > > > --- > > > **Title: STUDY ON MECHANICAL BEHAVIORS OF VARIABLE-STIFFNESS COMPOSITE LAMINATES** > Page Range: p.361-368 > Author(s): Xu Zhonghai; Liu Zhe; Lv Xiaojing; Ma Hongtao; Hao Lifeng; Jiao Weicheng; Yang Fan; Wang Rongguo > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102151&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 3 > > **Abstract** > In this paper, we study the mechanical behaviours of variable-stiffness composite laminates by setting curvilinear fibre paths. We assume that the fibre orientation angles vary linearly with the reference axis. Based on the different fibre paths, we vary the fibre placement formats and the curvilinear fibre orientation angles of the composite laminates, and then make the simulation for the buckling loads of the three kinds of laminates: the straight fibre placement, the curvilinear fibre placement and the mixed fibre placement. By comparing and analysing, we give the best fibre placement format and the curvilinear fibre orientation angle. The study provides references to the design of variable-stiffness composite laminates. 15 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: STRUCTURE-PROPERTY RELATIONSHIPS IN ARAPAIMA GIGAS SCALES REVEALED BY NANOINDENTATION TESTS Page Range: p.369-374 Author(s): Torres F G; Le Bourhis E; Troncoso O P; Llamoza J... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: STRUCTURE-PROPERTY RELATIONSHIPS IN ARAPAIMA GIGAS SCALES REVEALED BY NANOINDENTATION TESTS** > Page Range: p.369-374 > Author(s): Torres F G; Le Bourhis E; Troncoso O P; Llamoza J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102159&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > > > **Abstract** > Fish scales from Arapaima Gigas have been studied in terms of their structure (morphology, collagen content) and mechanical properties. A strong mechanical gradient was revealed in the scale, hardness and reduced modulus being reduced by a factor of three. Correlations between the hardness and reduced modulus and the mineral content have been found. The external mineral rich layers were determined to be hard and stiff while the inner surface, being collagen rich, was less hard and less stiff. The inside of the scales showed a progressive decrease of mechanical properties, with variations attributed to the plywood-like structure of the scale. 17 Refs. > > > > --- > > > **Title: RUBBER WOOD FIBRE BASED FLEXIBLE COMPOSITES: THEIR PREPARATION, PHYSICAL STRENGTH REINFORCING AND STAB RESISTANCE BEHAVIOUR** > Page Range: p.375-380 > Author(s): Yong K C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102160&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > Novel flexible laminated composites based on rubber compounds and rubber (Hevea brasiliensis) wood fibres were successfully produced by using a carboxylated nitrile latex based adhesive system. All these laminated composites exhibited good reinforcing behaviour and strong elastomeric features. They also had a medium level of stab resistance strength, particularly for the 'edged blade' protection class according to the standard issued by the United States - National Institute of Justice. Hence, this type of laminated composite could potentially be targeted for anti-stab body armour applications. 21 Refs. > > > > --- > > > **Title: PROPERTIES OF POLYPROPYLENE AND SURFACE MODIFIED GLASS-FIBRE COMPOSITES** > Page Range: p.381-386 > Author(s): Zhu L H; Sheng J F; Guo Z F; Ju X S; Li S; Chen Y F; Luo J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102161&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > To improve the interfacial bonding between polypropylene (PP) and glass-fibre (GF), the surface modified glassfibre (SMGF) was prepared with the self-designed sizing containing organofunctional silanes and a copolymer. Then the SMGF-PP composites were prepared and those properties were observed by mechanical testing, light microscopy, X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Mechanical tests displayed that SMGF-PP composites had an increase in tensile strength, tensile modulus, bending strength, bending modulus and notched impact strength compared to the pure PP. Light micrographs showed that the average fibre length of the composite was 397 (mu)m. XRD data indicated that the crystal size of SMGF-PP composites became smaller compared to pure PP, and SS form crystals of PP disappeared with the addition of SMGF to PP matrix. DSC data showed that SMGF could promote the crystallisation temperature of PP. TGA analyses showed that the thermal stability of SMGF-PP was better than that of pure PP. 12 Refs. > > > > --- > > > **Title: PRODUCTION OF MICROMETER-SIZED COMPOSITE POLYMER-MAGNETIC SPHERES USING AS PRECURSOR METALLURGICAL WASTES** > Page Range: p.387-392 > Author(s): Perera-Mercado Y A; Betancourt-Galindo R; Saucedo-Salazar E M; Puente-Urbina B A; Medellin-Banda D I; Neira-Velazquez M G; Gutierrez-Villarreal M H; Garcia-Rodriguez S P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102162&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > Micrometre-sized composite polymer-magnetic spheres consisting of a magnetic-spherical core with a polystyrene shell were produced. The magnetic-spherical core was produced by plasma thermal conversion of waste powders precursor (iron oxide) generated during the conventional process of steel production. Precursor powders were projected into an Ar-He plasma plume using industrial thermal-spray equipment. The results are a total conversion of the precursor powders into magnetic-spherical particles with diameters in the micrometre size range. The surfaces of the magnetic-spheres were functionalised by a chemistry hydrolysis method using 3-aminopropyltrimethoxysilane (APTMS) and creating superficial amine structures that improved the adherence of the final polystyrene shells that was polymerized by adapting the miniemulsion process. The products at the different synthesis steps were characterized by diverse techniques, such as: X-ray diffraction (XRD), scanning electron microscopy (SEM), field emission scanning electron microscopy (FE-SEM), X-ray energy dispersive spectroscopy (EDS), Fourier Transformed Infrared spectroscopy (FTIR) and the magnetic properties were investigated with a vibrating sample magnetometer. 30 Refs. > > > > --- > > > **Title: THERMAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF CARBON BLACK FILLED SILICONE RUBBER** > Page Range: p.393-400 > Author(s): Jibin Wang; Qiuying Li; Chifei Wu; Haiyan Xu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102163&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > The effects of two types of carbon blacks (CBs), N990 and Vulcan XC-72, on the mechanical properties and thermal conductivity of filled silicone rubber (SR) were investigated. It was found that the addition of CB particles increased the thermal conductivity, the thermal stability and the tensile strength of the silicone rubber composites. The scanning electron microscope showed that Vulcan XC-72 of higher structure was more liable to form conductive network within the matrix, and the thermal conductivity of the composites filled by Vulcan XC-72 was superior to that of the composites filled by N990 at the same filler loading. The Agari model and the Payne effect were used to explain the influence of N990 and Vulcan XC-72 on the formation of thermal conductive networks. Furthermore, Vulcan XC-72 also had better enhancing effects on the mechanical properties and the electrical conductivity of the composites. It was notable that at the high filler contents, silicone rubber filled with N990 also possessed good general properties. 27 Refs. > > > > --- > > > **Title: NONISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF A NOVEL CYCLOALIPHATIC MICROCRYSTALLINE POLY(4,4'-AMINOCYCLOHEXYL METHYLENE DODECANEDICARBOXYLAMIDE)** > Page Range: p.401-408 > Author(s): Jianting Dong; Zhongyong Fan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102164&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > Nonisothermal melt crystallisation behaviour and crystallisation kinetics of poly(4,4'-aminocyclohexyl methylene dodecanedicarboxylamide), a novel cycloaliphatic microcrystalline polyamide (named PA PACM12), are investigated by differential scanning calorimetry (DSC). The results show that with decreasing cooling rate, the crystallisation peak becomes narrower and shifts to higher temperature, while the crystallisation enthalpy increases. The Avrami equation, Ozawa model and Mo method are proved to be suitable to describe the whole crystallisation process. Needle-like crystals of PA PACM12 are observed under polarizing optical microscopy (POM), which is in agreement with the characteristics of nucleation type and crystal geometry deduced from the Avrami analysis. 37 Refs. > > > > --- > > > **Title: WATER ABSORPTION BEHAVIOUR AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE/ PISTACHIO SHELL FLOUR NANOCOMPOSITES IN PRESENCE OF TWO DIFFERENT UV STABILIZERS** > Page Range: p.409-416 > Author(s): Abedini Najafabadi M A; Nouri Khorasani S; Moftakharian Esfahani J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102165&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > In this research, for the first time, the effects were investigated of nanoclay as a secondary reinforcement, titanium dioxide (TiO2) and hindered amine light stabiliser (HALS) as UV stabilisers on some properties of high density polyethylene (HDPE)/pistachio shell flour (PSF) composite as the new wood plastic composite (WPC). WPCs of HDPE/PSF with different levels of nanoclay (Cloisite 20A), TiO2 and HALS were prepared. Some properties were investigated before exposure to weathering conditions. Design of experiments (DOE) was carried out to find the best formulation and decrease the number of tests. WPC granules were prepared by melt-mixing method using a twin screw extruder, and then moulded using an injection moulding machine to prepare samples. The results of X-ray diffractometry (XRD) indicated partial exfoliation and intercalation of samples containing 3 and 6 per hundred composite (phc) of nanoclay. The tensile strength and modulus of HDPE/PSF samples containing 3 and 6 phc nanoclay showed 20% increase compared to samples without nanoclay. The presence of TiO2 and HALS in the formulation did not have a significant effect on tensile properties. The nanoclay presence in HDPE/ PSF formulation improved the water absorption resistance. 17 Refs. > > > > --- > > > **Title: SYNTHESIS OF ORGANO-MONTMORILLONITE/SODIUM ALGINATE GRAFT POLY(ACRYLIC ACID -CO-2-ACRYLAMIDO-2-METHYL-1-PROPANE SULFONIC ACID) SUPERABSORBENT COMPOSITE AND ITS ADSORPTION STUDIES** > Page Range: p.417-422 > Author(s): Linhui Zhu; Lili Zhang; Yaoji Tang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102166&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > A new superabsorbent composite based on the natural material sodium alginate (SA) was synthesised by intercalation graft polymerisation of SA, acrylic acid (AA), 2-acrylamido-2-methyl-1-propane sulphonic acid (AMPS) and organo-montmorillonite (OMMT) using ammonium persulphate (APS) as an initiator and N,N'methylenebisacrylamide (MBA) as a cross linker. The composite was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA), and was used to remove heavy metal ions such as Pb2+, Ni2+ and Cu2+ from aqueous solutions. Maximum adsorption capacities for Pb2+, Ni2+ and Cu2+ were 1485, 303 and 294 mg/g respectively. It was found that the adsorption of Pb2+ was consistent with both the Langmuir and the Freundlich model, while that of Ni2+ and Cu2+ was in accordance with the Langmuir model. Mechanisms for the adsorption process were speculated upon. It revealed that chelation was dominant for the adsorption of Pb2+, while ion-exchange played an important role for adsorption of Ni2+ and Cu2+. The superabsorbent composite had good reuse performance in wastewater treatment. 15 Refs. > > > > --- > > > **Title: DESIGN AND ANALYSIS OF SMALL-SCALE LIFT-TYPE VERTICAL-AXIS WIND TURBINE USING COMPOSITE BLADE** > Page Range: p.423-430 > Author(s): Yang Zhong-Jia; Gu Yi-Zhuo; Li Min; Li Yan-Xia; Lu Jie; Zhang Zuo-Guang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102167&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > This paper focuses on verifying the feasibility of applying fibre reinforced polymer matrix composite to vertical axis wind turbine. A small-scale lift-type vertical axis wind turbine using glass fibre reinforced epoxy matrix sandwich composite blade was proposed. An airfoil profile of blade was designed and a composite blade was fabricated. The structure parameters of the blade were optimized by means of the finite element modelling method. The mechanical and the resonant properties of the blade were investigated. Finally, a wind turbine with the designed blade was assembled, and its generating capacity was tested. It was demonstrated that the designed composite blade and the wind turbine had excellent performance, indicating a promising technology for utilizing wind power. 16 Refs. > > > > --- > > > **Title: EFFECT OF THERMAL HISTORY ON BETA-NUCLEATED POLYPROPYLENE HOMOPOLYMER** > Page Range: p.431-436 > Author(s): Wahab M A; Samsudin M S F; Ahamid Z; Leong K H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102168&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No. 4 > > **Abstract** > A-nucleant is used in polypropylene homopolymer (h-PP) primarily to improve its toughness as this particular property is important for piping and pipe coating application. In this work, the effect of p-nucleating agent on h-PP as topcoat material for pipe coating was investigated. The distribution of the nucleating agent in h-PP was controlled by solid-phase reactive extrusion. It was found that when subjected to second cycle of thermal exposure, the effect of e-nucleant upon h-PP crystallinity had increased significantly. This was desirable as it would enhance topcoat toughness. Several heating cycles were used to mimic the number of thermal exposures during processing. The effect of this simulated thermal history on the toughness enhancement was assessed and reported. The work has shown that, after a number of consistent thermal cycles, the percentage of r-crystals phase remained level. This will provide a much needed assurance on thermal and mechanical consistency in p-nucleated h-PP as well as enhance its viability for pipe coating applications. 8 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: ABRASION RESISTANCE OF CONCRETE CONTAINING POLYOLEFIN FIBERS AND SILICA FUMES Page Range: p.437-442 Author(s): An Cheng; Wei-Ting Lin File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: ABRASION RESISTANCE OF CONCRETE CONTAINING POLYOLEFIN FIBERS AND SILICA FUMES** > Page Range: p.437-442 > Author(s): An Cheng; Wei-Ting Lin > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102176&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > > > **Abstract** > This project is aimed to evaluate the abrasion resistance of cement-based composites which comprise polyolefin fibres and silica fume in the mixes. Material variables include water-binder ratio, dosage of silica fume and dosage of polyolefin fibre. Compressive strength, splitting tensile strength and abrasion tests were conducted and discussed. Test results indicate that the inclusion of polyolefin fibre or silica fume in cement-based composites not only increases the compressive strength and splitting tensile strength but also decreases the abrasion loss. The silica fume plays a positive rule on growth of compressive strength, splitting strength and abrasion resistance of cement-based composites due to the pozzolanic and filler effect. However, the distribution of fibres could not be controlled, resulting in a notable lack of uniformity in the specimens. The combination of silica fume and polyolefin fibre improves the strength properties and abrasion resistance than only use of polyolefin fibre. In addition, the modified Los Angeles abrasion test used in this study is suitable for the evaluation of abrasion resistance in cement-based composites. By regression analysis, the good correlations are found between compressive strength and splitting strength, abrasion ratio and compressive strength, and abrasion ratio and splitting strength. 12 Refs. > > > > --- > > > **Title: ADSORPTION PROPERTIES OF CROSSLINKED STARCH MICROSPHERES TOWARD PYRIDINE** > Page Range: p.443-448 > Author(s): Zongcheng Miao; Yang Zhao; Xiaoping Huo; Lei Wang; Zhongjin Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102177&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > The adsorption of pyridine onto crosslinked starch microspheres (CSMs) was investigated by experimental and theoretical methods. The adsorption capacity of CSMs towards pyridine increases with the increasing of pyridine concentration, and by lowering the temperature, adsorption would be accelerated. The adsorption behaviour of CSMs to pyridine is in agreement with the Langmuir isothermal equation. The research results show that the adsorption process is exothermic, and the adsorption force mainly derives from enthalpy changes. The thermodynamic parameters of adsorption process show that the adsorption behaviour of CSMs towards pyridine is of a physical type. 17 Refs. > > > > --- > > > **Title: NOVEL SUPERABSORBENT COMPOSITE (AA-G-XG/OMMT) AND APPLICATION IN SANDY SOIL** > Page Range: p.449-452 > Author(s): Zongcheng Miao; Lei Wang; Yuzhen Zhao; Pengxia Liang; Zhongjin Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102178&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > In order to develop an environmentally friendly polymer, a novel superabsorbent composite (SAC) was prepared by graft copolymerisation of acrylic acid (AA) onto xanthan gum (XG) and then hybridisation with organic montmorillonite (OMMT) by hexadecyl trimethyl ammonium bromide. The characterisation of the SAC was confirmed by FTIR, SEM and DSC. Moreover, the water-retention characteristics of the composite were further studied. The results showed that the synthesised composite effectively increased the water-retention capacity. Therefore, this new composite could be considered as an excellent candidate for various industrial applications. 15 Refs. > > > > --- > > > **Title: PREPARATION AND THERMAL CONDUCTIVITY OF NICKEL FIBER (POWDER)/SILICONE RUBBER COMPOSITES INDUCED BY MAGNETIC FIELD** > Page Range: p.453-458 > Author(s): Dongsheng Xie; Xianfeng Meng; Jie Ma; Lin Zhu; Xiangqian Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102179&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > Silicone rubber composites filled with Ni powder (fibre) were successfully prepared, and the effect of fillers and magnetic field on the thermal conductivity of composite was investigated. The results showed that with the increasing of volume content of fillers, the thermal conductivity of composite increases. The Maxwell model and Cheng-Vachon equation were used to predict the thermal conductivity to explain the effect of Ni powder (fibre) fillers on the formation of thermal conductive networks. The SEM results indicated that aligned linetypelike structure had formed under magnetic field. Therefore, the presence of magnetic field during curing process could significantly enhance the thermal conductivity of composite. 19 Refs. > > > > --- > > > **Title: EXPERIMENTAL STUDY OF EPOXY RESIN REPAIRING OF CRACKS IN FRACTURED ROCKS** > Page Range: p.459-466 > Author(s): Huige Xing; Xingguo Yang; Yuhui Dang; Xin Yao; Jiawen Zhou > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102180&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > Cracks in rock mass have always posed a big threat on the durability of fractured rocks in shear zone. Cracking of rock mass in shear zone is a random process, highly variable and influenced by many factors. Cracks in fractured rocks can be repaired by injection of epoxy resin in order to bond the crack and restore its structural integrity. Epoxy resins are used to repairing the shear zone at the Jinping Hydropower Station. An improved polymer grouting material is adopted and the polymerisation process is determined. The polymer grouting materials is consisted of resin (component A) and hardener (component B). Polarizing microscopy (PM) tests and mechanical experiments are adopted to evaluate the filling situation of epoxy resin in rock and the mechanical properties of epoxy-repaired rock, respectively. Experimental test results show that, the cracks and pores are filled by epoxy resin, and also the crack surface are boned. The mechanical properties of epoxy-repaired rock are improved by the polymer grouting and the permeability coefficient is decreased. 15 Refs. > > > > --- > > > **Title: DISPERSION OF PRISTINE CNT IN UHMWPE SOLUTION TO PREPARE CNT/UHMWPE COMPOSITE FIBER** > Page Range: p.467-470 > Author(s): Xiangyang Hao; An-Ting Chien; Xiaoying Hua; Jian Lu; Yaodong Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102181&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > CNT dispersion in polymer matrices uniformly remains a challenge. Uniform dispersion of carbon nanotube (CNT) within ultra-high molecular polyethylene (UHMWPE) solution is the first step to achieve CNT/UHMWPE fibres with excellent properties. Several approaches have been tried. Composite powder was acquired by coating CNT on UHMWPE powder, then, dissolved in decalin, through gel-spinning, higher stronger composite fibre is fabricated. 12 Refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTIES OF PHENYLMETHYLSILICONE/ORGANIC MONTMORILLONITE NANOCOMPOSITES BY IN-SITU INTERCALATIVE POLYMERIZATION** > Page Range: p.471-476 > Author(s): Xinhua Yuan; Wenhua Guo; Xiao Jiang; Yongqiang Liu; Shulin Pan; Jie Hu; Songjun Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102182&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > Using methylphenyl dichlorosilane, methyl trichlorosilane cetyltrimethylammonium bromide (CTAB) as organic treatment agent, phenylmethylsilicone/organic montmorillonite (OMMT) nanocomposites were prepared by in-situ intercalative polymerisation. The internal structure and morphology of the nanocomposites were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM). Mechanical properties, high temperature resistance and barrier performance for gas and water were also studied. The results show that molecules of silicone chains insert into the layer of montmorillonite (MMT), and the interlayer distance of MMT is expanded effectively after polymerisation of phenylmethylsilicone prepolymer and methyl methacrylate, even forming exfoliated nanocomposites. 12 Refs. > > > > --- > > > **Title: EFFECT OF SIC VOLUME FRACTION ON PROPERTIES OF SIC/6061 COMPOSITES** > Page Range: p.477-482 > Author(s): Yan Li-peng; Wang Ai-qin; Xie Jing-pei; Hao Shi-ming > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102183&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > The SiC/6061 composites were produced by powder metallurgy method, with the SiC particle volume fraction being 20%, 25%, 30% respectively. The microstructures of the materials were observed by Optical Microscope. The tensile strength and Coefficient of thermal expansion (CTE) were examined. Turner and Kerner theoretical models were employed to analyse the CTE. The influences of the SiC particles volume fraction on the microstructures and performances were analysed. The results show that with the increase of the SiC particles volume fraction in the composites, the clustering degree of the SiC particles increases in the matrix, and the CTE decreases which is close to the average of the Kerner and Turner theoretical model predictions, and the tensile strength increases but when the volume fraction of SiC particles exceeds the critical value of 30% the tensile strength of the composite decreases. And the strengthening mechanism of experimental materials was discussed. 21 Refs. > > > > --- > > > **Title: NUMERICAL SIMULATION OF MODE-II FRACTURE OF CFRP WITH TOUGHENING INTERLAYER USING BILINEAR COHESIVE ZONE MODEL** > Page Range: p.483-488 > Author(s): Guowei Zhu; Peng Qu; Yunli Guo; Gang Liu; Xiaosu Yi; Yuxi Jia > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102184&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > The effect of interfacial toughening porous non-woven fabric (PNF) on the Mode-II fracture toughness (GIIC) of carbon fibre reinforced polymer is studied by performing end notched flexure tests. The PNF with a thickness of 10 (mu)m is selected as the interleaf material, which is modelled by the bilinear cohesive zone model. The vertical displacement of loading points and the corresponding force are measured. The influences of the cohesive shear strength and GIIC of the toughening interlayer on the mechanical response of composites are studied. The main results are obtained as follows. The peak load increases with the increase of the cohesive shear strength, but the increasing amplitude is gradually reduced. Once the delamination propagates steadily, the influence of the cohesive shear strength can be neglected, and at the moment, GIIC of toughening interlayer plays a leading role. Furthermore, the greater GIIC of toughening interlayer is, the greater GIIC of composites and peak load are. 9 Refs. > > > > --- > > > **Title: SYNTHESIS OF MONTMORILLONITE/ACRYLIC ACID/ACRYLAMIDE TRICOPOLYMER AND ITS SUPER ABSORBENT PROPERTIES** > Page Range: p.489-494 > Author(s): Xiao-yuan Zhan; Fang Wang; Xing-wei Li; Min Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102185&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.5 > > **Abstract** > Montmorillonite/acrylic acid/acrylamide tricopolymer was synthesised by using aqueous solution polymerisation. Some factors affecting the water absorbency of super absorbent composite material, such as the neutralisation of acrylic acid, the amount of added montmorillonite, initiator and crosslinking agent were investigated. The best formula for absorbing the running water was proposed, it included 40% montmorillonite, 80% monomer neutralisation degree, 0.08% crosslinker amount, and 0.15% initiator, and the water absorbency of the obtained composite materials was 150 times. The FTIR research indicated that montmorillonite was effectively compounded with polymer, it is found that the composite with a good water retention and heat resistance is significant for reducing the product cost and improving the comprehensive property of the composite. 10 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: IMPACT OF SINGLE AND MULTIPLE INJECTION SLOT LOCATIONS FOR ATTACHED-DIE AND DETACHED-DIE TAPERED RESIN INJECTION PULTRUSION Page Range: p.495-508 Author(s): Ranjit S; Roux J A;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: IMPACT OF SINGLE AND MULTIPLE INJECTION SLOT LOCATIONS FOR ATTACHED-DIE AND DETACHED-DIE TAPERED RESIN INJECTION PULTRUSION** > Page Range: p.495-508 > Author(s): Ranjit S; Roux J A; Jeswani A L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102193&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > > > **Abstract** > This study compares the performances of the detached-die with the attached-die resin injection chamber configurations for pultrusion manufacturing. The impact of geometric design parameters (axial location of single injection slot and axial location of multiple injection slots) on the performances and complete reinforcement wetout for both the attached-die and detached-die configurations are investigated for various chamber lengths and compression ratios. Feasible manufacturing solutions are determined from the results. 18 Refs. > > > > --- > > > **Title: EFFECT OF SILANE COUPLING AGENT ON PHYSICAL PROPERTIES OF POLYPROPYLENE MEMBRANE REINFORCED BY NATIVE SUPERFINE DOWN POWDER** > Page Range: p.509-518 > Author(s): Hongjun Yang; Xia Dong; Dujin Wang; Weilin Xu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102194&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > In order to improve the compatibility between native superfine down powder (NSDP) and polypropylene (PP), NSPD was surface-modified by grafting with a silane coupling agent. After modification of NSDP, Fourier-Transform infrared spectrometry was used to investigate the chemical reaction between NSDP and silane coupling agent, and the spectroscopy indicated that silane coupling agent was successfully grafted onto the particle surface. Modified and unmodified NSDP was used to reinforce PP membrane by hot-press method, and the morphology, thermal properties, melt mass-flow rate and mechanical properties of PP/NSDP hybrid membrane was investigated. The melt mass-flow rate, tensile stress, and break elongation of the hybrid membranes initially increased and then decreased with the increase of silane coupling agent concentration, which significantly correlated with the silane coupling agent amount that adhered on the particle surface. Up to 3% silane coupling agent concentration was sufficient to cover the NSDP surface and improve the compatibility between PP and NSDP. With continuously increasing of silane coupling agent concentration, the melt mass-flow rate and mechanical properties decreased, which ascribed to the decreasing bonding strength of entanglement network between long-chain hydrocarbon segments on NSDP surface and PP matrix. PP/NSDP hybrid membrane with excellent thermal and mechanical properties can be obtained by controlling the silane coupling agent concentration. 31 Refs. > > > > --- > > > **Title: EFFECT OF TIO2 CONTENT AND PROCESS PARAMETERS ON ELECTROSPUN POLY(ACRYLONITRILE)/TIO2 NANOFIBRES** > Page Range: p.519-526 > Author(s): Byung Chul Ji; Mohammad Mahbub Rabbani; Sang Su Bae; Jae Cheon Shin; Seong Baek Yang; Woo Seok Choi; Yang Soo Park; Kook Bae Do; Jeong Hyun Yeum > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102195&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > Poly(acrylonitrile) (PAN) nanofibres containing variable amounts of titanium dioxide (TiO2) were successfully electrospun under different conditions to find optimum electrospinning conditions and to investigate the effects of TiO2 content and electrospinning parameters on the morphologies and thermal properties of PAN/TiO2 nanofibres. Various amounts of TiO2 were dispersed separately into PAN solutions. N, N'-dimethyl formamide (DMF) was used as a solvent. Electrospinning parameters such as applied voltage and tip to collector distance (TCD) were varied at a fixed PAN/TiO2 mixing ratio. The PAN/TiO2 nanofibres containing different amounts of TiO2 were characterized by field-emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA). The results showed TiO2 content and electrospinning parameters have direct influence on the morphologies of PAN/TiO2 nanofibres. Moreover, the addition of TiO2 significantly improved the thermal stability of the PAN nanofibres. 15 Refs. > > > > --- > > > **Title: EFFECT OF SULFATE ION ON THE PERFORMANCE OF POLYCARBOXYLATE COMB-LIKE COPOLYMERS IN CEMENT SUSPENSIONS** > Page Range: p.527-532 > Author(s): Qianping Ran; Min Qiao; Yinhui Yu; Jiaping Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102196&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > Polycarboxylate comb-like copolymer (PCE) is a kind of polyelectrolyte, which is easily affected by the ions in cement suspensions. In this work, the effects of sulphate ion on the surface charge, adsorption and dispersion in cement system with PCE as dispersant were investigated in detail. The addition of sulphate ion apparently decreased the positive charge on the surface of cement particles. The sulphate ion reduced the adsorption and dispersibility of PCE in cement suspensions, which was due to the competition between sulphate ions and PCE in the adsorption behaviour on the surface of cement particles. 11 Refs. > > > > --- > > > **Title: ELECTRICAL AND STEADY SHEAR RHEOLOGICAL BEHAVIOUR OF POLYPROPYLENE COMPOSITES REINFORCED WITH SINGLE-WALLED CARBON NANOTUBES** > Page Range: p.533-540 > Author(s): Amir Narimani; Mahmood Hemmati > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102197&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > The steady shear rheological behaviour, morphological, electrical, physical and mechanical properties of melt-blended polypropylene (PP)/single walled carbon nanotube (SWNT) were investigated. The rheological behaviour results indicated that both PP and its nanocomposites exhibited non-Newtonian behaviour. Addition of SWNT increased the shear stress and shear viscosity. It was also found that the materials experience a fluid-solid transition at 0.5 wt.% SWNT. The die swell behaviour increased with increasing shear rate and also decreased with the SWNT content. The morphology and degree of dispersion SWNT in the polypropylene matrix were investigated by SEM. The electrical percolation threshold was formed at about 1 wt.% of SWNT. In addition, a difference between electrical and rheological percolation thresholds was observed. DSC results confirmed the expected nucleate effect of SWNT on the crystallisation process of polypropylene. It was also found that the tensile strength improved when 0.5 wt.% SWNT used. Furthermore, an increase in the tensile modulus was observed with increasing SWNT contents, but the elongation at break decreased. 41 Refs. > > > > --- > > > **Title: CRYSTALLIZATION KINETICS OF RECYCLED HIGH DENSITY POLYETHYLENE AND COFFEE DREGS COMPOSITES** > Page Range: p.541-550 > Author(s): Sibele Piedade Cestari; Mendes L C; Altstadt V; Eloisa Biasotto Mano; Franca Da Silva D; Keller J-H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102198&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > High density polyethylene (HDPE) - coffee dregs (COFD) composites were studied over a range of seven different temperatures, under isothermal crystallisation conditions, using differential scanning calorimetric (DSC) analysis. The aim was to observe the influence of filler content in the crystallisation kinetics of HDPE. Seven blends were prepared, the polymer-filler ratio ranging from 100-0 to 40-60%. The results were evaluated using the Johnson-Mehl-Avrami-Kolmogorov equation. The equilibrium melting temperature was determined by applying the Hoffman-Weeks method. The materials were also evaluated through scanning electron microscopy, differential scanning calorimetry and thermogravimetry/derivative thermogravimetry. 32 Refs. > > > > --- > > > **Title: RADIOCHEMICAL GRAFT COPOLYMERIZATION AND CHARACTERIZATION OF ACRYLATE MONOMERS ON TO POLYETHYLENE FILM** > Page Range: p.551-560 > Author(s): Inderjeet Kaur; Anupam Gupta; Vandna Kumari > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102199&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > Functionalisation of polyethylene (PE) film by radiation-induced graft copolymerisation of ethyl acrylate (EA) and ethyl methacrylate (EMA) has been carried out using a preirradiation technique to develop materials with different degrees of grafting for use in ion separation processes. The influence of reaction conditions such as preirradiation dose, monomer concentration, reaction time and amount of solvent on percentage of grafting (Pg) has been studied and maximum Pg values of EA (144.97%) and EMA (142.35%) were respectively obtained at [EA] = 0.92 mol/L, [EMA] = 0.80 mol/L, total dose = 14.4 kGy and 17.28 kGy at 100 deg C in 120 and 180 min. The effect of different monohydric alcohols of varying chain lengths on Pg has also been studied. The modified films have been characterized by FTIR, thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and X-ray diffraction (XRD) methods. Some selective properties of pristine and grafted PE film such as swelling and ion uptake studies have also been investigated. The grafted films showed better swelling and ion uptake capacity in comparison to the pristine film. 20 Refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF RETRIEVED UHMWPE TIBIAL INSERT IN TOTAL KNEE REPLACEMENT AFTER IMPLANTATION 30 MONTHS** > Page Range: p.561-568 > Author(s): Xueqin Kang; Shirong Ge; Xiaofeng Dai > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102200&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > This study was performed to investigate the performance changing of an ultra high molecular weight polyethylene (UHMWPE) tibial insert, which was removed from a 56 years old male patient after 30 months of service. The tibial insert was investigated by using a contact angle goniometer, UMT-2 friction tester and MicroXAM threedimensional profilometer to characterize the wettability, ball indentation hardness, creep resistance, friction and wear performance. Scanning electron microscopy (SEM) was employed to describe the morphology of the sample surface of unused and retrieved UHMWPE after friction and wear test. Surface differential scanning calorimetry (DSC) was used to calculate the surface crystallinity of UHMWPE. The results showed that the contact angle of retrieved UHMWPE with bovine calf serum was obviously decreased by about 15% compared with unused UHMWPE. The surface crystallinity of retrieved UHMWPE increased 9.6% compared with unused UHMWPE. All of these induced the ball indentation hardness and creep resistance decreased 18% and 31%, the wear loss of retrieved UHMWPE increased 24% compared with unused UHMWPE. 33 Refs. > > > > --- > > > **Title: A NEW SILICA-RICH MATERIAL FROM WASTE FLY ASH - GENERATION, CHARACTERISATION AND STUDY OF ITS EFFECTIVENESS AS A FILLER FOR RUBBER COMPOUNDS** > Page Range: p.569-580 > Author(s): Mridul Dasgupta; Saikat Das Gupta; Rabindra Mukhopadhyay; Abhijit Bandyopadhyay > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102201&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.6 > > **Abstract** > A silica-rich material was generated from waste fly ash and it was subsequently characterized and experimented in ESBR compounds to find its suitability to be used as a filler for rubber compounds. This material contained 97.5% silica and 2.5% alumina. Characterisation of this material, designated as Modified Fly Ash (MFA), revealed the presence of characteristic peaks of silica in an FTIR study, and the surface area was found to be 110-115 m2/g. The effect of this material as a filler for rubber compound has been studied in ESBR compounds at low, medium and high filler loadings, and the compound properties were compared with those of compounds filled with two commercially available grades of silica, namely VN2-Silica (surface area 120-125 m2/g) and VN3-Silica (165-170 m2/g), at similar loadings. MFA showed the highest cure rate index, elongation at break and lowest heat generation among the three fillers at all the levels of filler loading. The tensile strength and 300% modulus of MFA filled compounds were inferior to those of VN3-silica, but they were closer to the values obtained for VN2-silica filled compounds. These two properties of MFA and VN2-Silica were comparable at low filler loading and at medium to high loading, the properties exhibited by VN2-Silica could be matched by using higher dosage of MFA. 34 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Experimental and theoretical study on the seismic performance of corroded RC circular columns strengthened with hybrid fiber reinforced polymers Page Range: p.653-660 Author(s): Jianhui Li;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Experimental and theoretical study on the seismic performance of corroded RC circular columns strengthened with hybrid fiber reinforced polymers** > Page Range: p.653-660 > Author(s): Jianhui Li; Ying Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102275&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > > > **Abstract** > Corroded RC columns do not possess necessary ductility to dissipate seismic energy during a major earthquake, the study investigates the use of hybrid fibre reinforced polymer (HFRP) wrapping as a method of retrofitting non-ductile corroded RC columns, the seismic performance of corroded RC circular columns strengthened with HFRP are tested under cyclic load and constant axial, and a model to determine the envelope response of RC corroded columns strengthened with HFRP are presented based on cross-section analysis for undamaged RC element. Results show that the rebar corrosion may introduce the reduction of seismic performance for RC columns in some extent, and the technique of strengthening corroded RC column with HFRP is quite effective, ductility and energy dissipation are improved significantly, but the bearing capacity can be only increased within limits. The envelope curve estimated using the linear plane assumption with modification by rebar slip model, may still be used as the envelope curve of RC corroded columns strengthened with HFRP, a good agreement between analytical and experimental results is observed. 10 Refs. > > > > --- > > > **Title: Energy release rate of interface crack in RC beams strengthened with fiber reinforced polymer under four point bending** > Page Range: p.661-668 > Author(s): Xie Jian-he; Huang Kun-hong; Guo Yong-chang; Li Zi-jian; Cui Ming-yu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102276&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > A popular method for strengthening reinforced concrete (RC) beams is to bond fibre reinforced polymer (FRP) plates to the soffit. An important failure mode for such retrofitted members is debonding of the FRP plates from the member due to high interfacial stresses near the intermediate crack. Accurate prediction of the energy release rate of interface crack between FRP and concrete is a prerequisite for designing against debonding failure. In this paper, a theoretical analysis was conducted to investigate the energy release rate of interface crack embedded in the FRP-plated RC beam subjected to four point bending. A mechanical analysis model including the consideration of the major flexural crack and tension steel reinforcement was established for the interface crack tip of plated RC beam. The deflection of the FRP-plated RC beam and the axial force in the plates were analyzed on the basis of the classical beam theory. The compliance of plated RC beam was derived before the tension steel yielding, and a theoretical solution of the energy release rate was then proposed. Moreover, numerical results based on the proposed theoretical model were presented to illustrate the effects of various parameters on the energy release rate of interface crack in the plated RC beam. 15 Refs. > > > > --- > > > **Title: Impact of DMDHEU resin treatment on the mechanical properties of poplar** > Page Range: p.669-674 > Author(s): Tao Jiang; Hua Gao; Jianping Sun; Yanjun Xie; Xiurong Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102277&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > To increase the utilisation and the value of poplar, various concentrations of dimethylol dihydroxy ethylene urea (DMDHEU) were used to impregnate poplar, an important tree species from the north of China. The resin was fixed on the timber under certain conditions, after which the weight percent gain (WPG), flexural modulus (MOR), modulus of elasticity (MOE), impact strength, hardness and compressive strength of the poplar impregnated were tested and evaluated. The results showed that WPG of poplar is positively associated with the concentrations of DMDHEU after the resin treatment; when the WPG of poplar was 62.1% and the concentration of resin was 30%, the concentration of resin shows positive correlation with MOE, the hardness of each section, the compression strength perpendicular to grain, and the compressive strength parallel to the grain, but demonstrates negative correlation with MOR and impact strength. 12 Refs. > > > > --- > > > **Title: Preparation of nanocrystalline cellulose from corncob acid-hydrolysis residue and its reinforcement capabilities on polyvinyl alcohol membranes** > Page Range: p.675-682 > Author(s): Meiling Yan; Shujun Li; Feng Dong; Shiyan Han; Jian Li; Lei Xing > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102278&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > The sodium chlorite process was utilized successfully to remove the lignin from corncob acid-hydrolysis residue (CAHR), and the intermediate was used to prepare nanocrystalline cellulose (NCC) with a very mild ultrasonic treatment (600W). When the duration of the ultrasonic treatment increased, the absolute value of the zeta potential became stronger and the particle size smaller. When the duration reached 30 minutes, the zeta potential of the NCC reached -23mV, and the particle size was 28.7 nm. The FTIR, XRD, and TEM analysis results proved that the cellulose product was nanocrystalline in Type I structure with a high crystallinity index (79.74%), with a diameter less than 10 nm. The reinforcement of polyvinyl alcohol (PVA) membranes using NCC was also investigated. When the dosage of the NCC was 1.0 wt.%, the tensile strength increased from 34 MPa to 37 MPa. This work provides a novel and cost-effective way to utilize corncob acid-hydrolysis residue. 25 Refs. > > > > --- > > > **Title: Molecular characteristics analysis of wood extractives from pinus massoniana trees** > Page Range: p.683-686 > Author(s): Zhong-feng Zhang; Kai Huang; Yong-jun Ye; Jun-you Shi; Xu Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102279&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > Pinus massoniana is a fast growing tree widely grown in China that is, unfortunately, difficult to process and develop due to the extractive substances. The molecular characteristics of the wood extractives from Pinus massoniana were removed by a method of petroleum ether/Benzene extraction and analyzed by gas chromatography-mass spectrometry (GC-MS) in order to provide scientific guidance for improving the processing and utilisation of this plant. Twenty-eight chemical components were discovered, including: 1,2-Benzenedicarboxylic acid, butyl octyl ester (62.69%), 1,5-Hexadien-3-yne (6.00%), Squalene (3.31%), 9,12-Octadecadienoic acid (Z,Z)- (1.29%), Heptadecane (1.14%) and Eicosane (1.01%). The analysis of the GC-MS results show that the main retention time of the wood extractives is 20-30 minutes with a total content percentage of 80.18%, and the richest components are esters, which compose 80.01%. 13 Refs. > > > > --- > > > **Title: Research on pretreatment technology for corn husk degumming** > Page Range: p.687-692 > Author(s): Rong Zhou; Mingxia Yang; Haixia Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102280&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > In this study, chemical degumming was applied to corn husks, and the optimal degumming procedure and pretreatment method were determined. Through orthogonal experiments, it was determined the optimal pretreatment parameters are: H2O2 concentration of 8 g/L, urea concentration of 8 g/L, pretreatment temperature of 20 deg C and pretreatment time of 30 min. The effectiveness of this combination of parameters was validated by its resultant glial removal rate of 85.32%. 17 Refs. > > > > --- > > > **Title: Mechanical properties of polymer rubber materials based on a new constitutive model** > Page Range: p.693-698 > Author(s): Sang J B; Sun L F; Xing S F; Liu B H; Sun Y L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102281&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > A new constitutive model, which is a modification from Gao's second constitutive model, has been introduced by using the finite deformation theory. The new model fulfils the condition that strain energy becomes zero under no deformation. For incompressible polymer rubber materials, when n=1 and ==0, the new constitutive relation may be simplified to the Mooney-Rivlin model; when n=1 and ==1, the new constitutive relation may be simplified to the Neo-Hookean model. The discussions of basic finite deformation examples illustrate how the new constitutive model reasonably describes the deformation properties of polymer rubber materials, and how the applied range of polymer rubber materials have been broadened by using the new constitutive model. 15 Refs. > > > > --- > > > **Title: Fabrication and characterization of TiO2-organic thin film from an aqueous solution** > Page Range: p.699-704 > Author(s): Mu W N; Shi S Z > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102282&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > TiO2-organic thin films were fabricated on SAMs-coated silicon substrate based on layer-by-layer self-assembly process and chemical bath deposition method by a hydrolysis of TiCl4 in acid aqueous solution. The influences of deposition time and solution pH value on structural properties and the thickness of TiO2 films were investigated. The results of UV-vis spectrum show the absorbance of aqueous solutions at 410 nm decreases gradually with increasing deposition time and solution pH value. The thickness of TiO2-organic thin film elevates as increasing deposition time and pH value. The deposition time has significant influence on the surface morphology of films, and when the time is 2 h, a continuous, density and homogeneous film is gained from SEM micrographs. The deposited films consisting of TiO2 nanoparticles are believed to be fully amorphous layers from the results of XRD. The major chemical compositions of thin films are titanium and oxygen as presented in EDS results, and O/Ti atomic ratio is close to the corresponding ratio of 2:1 for stoichiometric TiO2. The transmission infrared spectrum and UV/Vis spectrum of TiO2 film indicate excellent structure and optical properties of films. 28 Refs. > > > > --- > > > **Title: Miscibility and isothermal crystallization behavior of poly-(l-lactideco-glycolide)/ poly(rho-dioxanone) blends** > Page Range: p.705-712 > Author(s): Xiaojin Zhang; Chi Ma; Wei Bai; Chengdong Xiong; Dongliang Chen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102283&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > We prepared a series of blends from solution co-precipitation of poly-(L-lactide-co-glycolide) (PLGA) and poly (p-dioxanone) (PPDO) at various mass ratios. Using a scanning electron microscopy (SEM), PLGA and PPDO were revealed to be immiscible. The crystallisation behaviour of PLGA/PPDO blends was investigated by differential scanning calorimetry (DSC) under isothermal conditions. Through comparing the crystallisation exothermic peak location and the PLGA/PPDO blends' shape, the crystallisation rate was determined to slow as the temperature increased. We applied the Avrami equation to analyze the primary stage of the isothermal crystallisation and obtained relevant crystallisation kinetic parameters. The data revealed that the PPDO component acted as nucleation sites in blends and accelerated the PLGA crystallisation rate by increasing the crystallisation rate constant k and decreasing the half-crystallization time (t1/2). The Arrhenius equation was used to analyze the crystallization's activation energy. Our analysis confirmed that blending with PPDO accelerates PLGA crystallisation. Our micrograph imaging of the spherulites via a polarizing optical microscopy (POM) revealed that the PLGA/PPDO blends' crystals were smaller in size but greater in number than that of pure PLGA. This finding indicated that PPDO is a good nucleation agent for PLGA. All these results suggest that it is possible to control the PLGA crystallisation rate by adding a PPDO component. 36 Refs. > > > > --- > > > **Title: Parametric study on heat transfer for tow placement process of thermoplastic composite** > Page Range: p.713-722 > Author(s): Zhenyu Han; Zhongliang Cao; Zhongxi Shao; Hongya Fu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102284&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > Fibre placement process of thermoplastic material is an in situ consolidation process which can significantly reduce consolidation process time and save costs compared with autoclave consolidation. The heat and crystallisation behaviours play very critical role in the quality control during the process. In this work, two dimensional model of finite element is presented to perform heat transfer analysis of fibre placement process. The relationship between heat distribution of lamination and process parameters, including roller velocity, main heating temperature, preheating temperature, preheating length and preheating location, is deeply investigated. The numerical results show that for certain heating temperature there is a safe roller velocity which should not be exceeded, and such parameters as main heating length, preheating length and preheating location could be optimized to obtain better quality of product. 11 Refs. > > > > --- > > > **Title: Characterization of PEO-X ionic conductive polymer for anodic bonding** > Page Range: p.723-728 > Author(s): Xu Yin; Cuirong Liu; Yue Nan; Qingsen Meng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102285&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > Anodic bonding is a common technology in MEMS packaging. However, only the bonding between glass and metal or semiconductor can be implemented at present. In this work, a new type of composite, solid polymer electrolyte (taking PEO as the matrix with a small amount of nano-sized inorganic filler), was prepared as a new anodic bonding material. We studied the interaction and conduction mechanism between PEO and the inorganic filler through DSC and XRD analyses, and also discussed the application feasibility of the solid polymer electrolyte being packaging material in anodic bonding. The results showed that adding inorganic filler can reduce the interface resistance of the macromolecule solid electrolyte, and control the diffusion of alkali metal ions in the solid lithium molecule electrolyte when under a strong electric field. The anodic bonding technique may promote the application of this new macromolecule material in MEMS. 13 Refs. > > > > --- > > > **Title: Photo-anodic polymerization of pyrrole on nanoclustered TiO2 from hydrothermal one-step on pure Ti** > Page Range: p.729-736 > Author(s): Fu-fang Zhou; Delong Li; Weiping Li; Xilou Zhu; Ping Wang; Yuan Ming Huang; Chunxu Pan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102286&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > Nanoclustered TiO2 networks were synthesised hydrothermally one-step in 0.45 M tetramethylammonium hydroxide (TMAOH) aqueous solution directly on pure polished Ti substrate for 12-hour growth. Polypyrrole (PPy) nanofilm was subsequently electropolymerised with galvanostatic photo-anodisation on the nanostructured TiO2 sheet as the working electrode. Tafel polarisation curve was employed to determine galvanostatic condition. Investigations of SEM, cyclic voltametry, potential-time growing curves, photo-response currents, UV-vis spectroscopy and Fourier Transform Infra-red (FTIR) spectroscopy revealed that photo-anodic polymerized pyrrole film could thoroughly change properties of nanoclustered TiO2 electrode. The networks of nanoclustered TiO2 was covered with homogeneous PPy nanofilm, the cyclic voltammetry revealed two reduction peaks, suggesting a compact and a porous layer of PPy. Moreover, PPy could enhance the photo-response by over 100 times compared with that of bare TiO2 nanonetworks. Optical absorbance visualized the full spectral absorptive feature of PPy, and FTIR further confirmed the vibrations of chemical bonds from PPy. This demonstrated that PPy infiltration in TiO2 nanonetworks could be successfully achieved via photo-anodic polymerisation, and TiO2 nanonetworks/ photo-anodic polymerized PPy are promising in applications of polymer-inorganic solar cell. 28 Refs. > > > > --- > > > **Title: Strain-amplitude and strain-rate dependent craze damage of poly(methyl methacrylate)** > Page Range: p.737-742 > Author(s): Liu Xiu; Luo Wenbo; Yin Boyuan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102287&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > Dynamic mechanical analysis tests and quasi-static tensile tests were conducted on polymethyl methacrylate (PMMA). Craze damage images on PMMA samples' surface were acquired by using an optical microscope. Evolution of the crazing damage was investigated. The results suggest that crazing is loading rate and strain-amplitude dependent. In dynamic mechanical tests, the craze damage becomes more and more serious with the increase in strain amplitude, resulting in the Payne effect. Under quasi-static loading, there is a critical strain over which the surface crazes become visible; the greater the loading rate, the greater the critical strain. Moreover, stretching at different rates leads to difference to the morphology of crazes. The surface crazes stressed at lower loading rate are longer and more fully developed than those at higher loading rates, which results in a faster decline in static elastic modulus. 15 Refs. > > > > --- > > > **Title: Methodology to analyze the influence of microcellular injection molding on mechanical properties with samples obtained directly of an industrial component** > Page Range: p.743-752 > Author(s): Elduque D; Claveria I; Fernandez A; Javierre C; Pina C; Santolaria J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102288&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.8 > > **Abstract** > Microcellular injection moulding is a process that offers numerous benefits thanks to the internal structure generated, thus many applications are being arising in different fields, especially home appliance. In spite of it, when changing the manufacturing process of a component from conventional injection moulding to microcellular injection moulding, it is necessary to ensure the mechanical properties of the component. In this paper a study of the mechanical behaviour of samples obtained directly from a manufactured component both by conventional injection moulding and microcellular injection moulding is carried out. This kind of samples take into account the process conditions under the final component is processed and the influence of these conditions on the mechanical properties. For this purpose special devices have been developed taking into account the characteristics of the component and the samples obtained. An X-ray 3D computed tomography is also carried out to validate the internal structure of the microcellular injection moulded component. Tensile properties are reduced between 20-22% regarding flow direction when using microcellular injection moulding. Impact properties are reduced up to 27%. However, flexural properties reduction for samples processed by microcellular injection is only 6.8%, so microcellular injection moulding arises as a very suitable process for components working under this kind of load. Moulding and impact tests are carried out by using specially developed devices. 17 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-9/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Evaluation of a smart polymer nanosphere for potential use in anticancer drug delivery Page Range: p.753-762 Author(s): Rubini Vimalarasa; Foot P J S; Gianpiero Calabrese... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc22-9/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Evaluation of a smart polymer nanosphere for potential use in anticancer drug delivery** > Page Range: p.753-762 > Author(s): Rubini Vimalarasa; Foot P J S; Gianpiero Calabrese > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102324&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > > > **Abstract** > Polypyrrole-chitosan (ppy-chit) hollow nanospheres have been synthesised using a simple route wherein dispersion polymerisation of pyrrole was followed by treatment with aqueous ammonia, centrifugation and dialysis. Ppy-chit hollow nanospheres were characterised by techniques including transmission electron microscopy, atomic force microscopy, powder x-ray diffractometry and UV-visible spectrophotometry. The particle size and stability were assessed by using a Zetasizer. A model anticancer drug, Nile blue chloride, was loaded into the ppy-chit hollow nanospheres by adsorption, and the desorption profile showed that 88% of the dye was released at a typical physiological pH over a period of 5 hours. The combined molecular properties of chitosan and polypyrrole were beneficial to the drug delivery. 20 Refs. > > > > --- > > > **Title: Effect of weathering on the properties of wood-polypropylene composites containing minerals** > Page Range: p.763-770 > Author(s): Svetlana Butylina; Timo Karki > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102325&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > The effect of UV-exposure on the properties of wood-polypropylene composites containing mineral fillers weathered in natural and accelerated conditions was studied. The changes in the colour of the composites after weathering were evaluated by spectrophotometry, and the changes of Charpy impact strength were measured with an impact tester. The outdoor weathering compared to accelerated weathering resulted in a greater colour change of the reference composite and composites containing calcium carbonate and wollastonite. The talc-containing composite, having low susceptibility to moisture, showed a greater colour change in the accelerated weathering test. The accelerated weathering resulted in severe degradation of the polymeric surface layer of the composites. The impact strength of a weathered composite depends on the type of weathering and the properties of the filler. 21 Refs. > > > > --- > > > **Title: Preparation of core-shell composite particles containing a dye powder by a droplet coalescence method** > Page Range: p.771-778 > Author(s): Yoshinari Taguchi; Yu Isono; Kiyomi Fuchigami; Isao Kimura; Masato Tanaka > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102326&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > It was attempted to prepare core-shell composite particles containing a hydrophilic dye powder by a droplet coalescence method using liquid-liquid dispersion. Core particles composed of dye powder and oleic acid have been forced to coalesce with styrene monomer droplets, and then suspension polymerisation has been performed to form the polystyrene shell. In the experiment, the number and diameter of styrene monomer droplets were mainly changed stepwise to promote coalescence between the core particles and the monomer droplets and to control the shell thickness. It was found that the core shell composite particles could be prepared by increasing the monomer droplet number at the constant impeller speed, because the coalescence frequency between the monomer droplets and the core particles increased with the monomer droplet number at the constant impeller speed. Moreover, the diameter and shell thickness of the core shell composite particles increased with the diameter of monomer droplets. 8 Refs. > > > > --- > > > **Title: Poly(vinyl alcohol)/pullulan blend nanofibres prepared from aqueous solutions using electrospinning method** > Page Range: p.779-786 > Author(s): Shahidul Islam; Mohammad Mahbub Rabbani; Seong Baek Yang; Woo Seok Choi; Jin Hyun Choi; Weontae Oh; Jae Cheon Shin; Jin Tae Lee; Jeong Hyun Yeum > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102327&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > Poly(vinyl alcohol) (PVA)/pullulan (PULL) blend nanofibres were prepared from their aqueous solutions by electrospinning method. Polymer solutions with different concentrations and blend ratios were used to investigate the effect of polymer concentrations and blend ratios on the morphologies and properties of PVA/PULL nanofibres. At a fixed blend ratio, the total polymer concentrations were also adjusted to find suitable electrospinning condition for preparing uniform and bead-free nanofibres. The as-prepared nanofibres were characterised by scanning electron microscopy (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy. Their mechanical properties were also studied by measuring their tensile strength. The results showed that polymer concentrations and blend ratios have direct influence on the morphologies and properties of PVA/PULL nanofibres. 12 wt.% total polymer concentration and higher PVA contents have been found to be favourable for obtaining uniform and bead free PVA/PULL blend nanofibres with improved mechanical and thermal properties. 36 Refs. > > > > --- > > > **Title: Polypropylene fibre reinforced polymer concrete: effect of gamma irradiation** > Page Range: p.787-792 > Author(s): Martinez-Barrera G; Martinez-Hernandez A L; Velasco-Santos C; Martinez-Lopez M; Ortiz-Espinoza J; Laredo dos Reis J M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102328&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > Design of polymer concrete involves extensive studies on their materials in order to get improved properties; specifically on the physicochemical properties of both polymer resin and mineral aggregates, including size and shape of the last one. Alternative studies are focusing on using different materials or methods to obtain such improvements. In this work, polymer concrete was elaborated with unsaturated polyester resin, marble particles and polypropylene fibres, after it was modified by using gamma radiation to achieve a complete polymerisation. The results show improvements in the compressive strength and in the modulus of elasticity with 0.2 vol.% of polypropylene fibres and irradiation at a dose of 250 KGy. However, lower compressive strains were obtained when using gamma radiation. 22 Refs. > > > > --- > > > **Title: Isothermal decomposition kinetic analysis of polymethylphenylsilsesquioxane/epoxy resin systems** > Page Range: p.793-798 > Author(s): Jiangbo Wang; Yongyou Li; Yi Jin; Zhiqiang Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102329&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > The decomposition kinetics of polymethylphenylsilsesquioxane/epoxy resin (PMPSQ/EP) systems under isothermal conditions was investigated by thermogravimetric analysis (TGA), and the isothermal kinetics equation was used to describe the thermal decomposition process. The results showed that the activation energy in the case of isothermal decomposition was first raised and then quickly decreased with increasing degree of conversion, both for EP and PMPSQ/EP (FREP) systems. Moreover, the activation energy of FREP in any degree of conversion was lower than that of pure EP. It was caused by the addition of PMPSQ, which accelerated thermal decomposition and promoted the formation of an insulating carbon layer. Thus, the flame-retardant performance of EP system containing PMPSQ was improved. 17 Refs. > > > > --- > > > **Title: Enhanced application properties of EPDM/montmorillonite composites** > Page Range: p.799-808 > Author(s): Zhao Yi; Wang Jincheng; Du Youcheng; Pan Chen; Zhao Wen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102330&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > The aim of this work was to study the effect of montmorillonite (MMT) on the flame-retardant and mechanical properties of ethylene-propylene-diene monomer (EPDM). EPDM/MMT composites were prepared by conventional compounding of EPDM matrix with MMT. The cure characteristics, tensile properties, wear resistance, thermal stabilities, and flame-retardancy were researched and compared. Optimal dispersion of this clay was observed for 10 phr of MMT filled composite, which resulted in the best mechanical performance with an increase of 85% in tensile strength, 300% in elongation at break, and 50% decrease in abrasion loss, 35 s for the prolonged vertical burning time, and the improved thermal stability, compared to that of the pure matrix. A mechanism for reinforcing and flame-retardancy was proposed. The 'anchor' effect caused by the MMT may have reduced the number and size of voids in the EPDM matrix, and thus increased the crack path during tensile drawing. Meanwhile, the flame-retardant effect of MMT could increase the amount of carbonaceous layers, and thus inhibited the pyrolysis degree of EPDM matrix during burning. 27 Refs. > > > > --- > > > **Title: Removal of methyl violet and cationic gold yellow from aqueous with porous magnetic polymer microspheres and its adsorption kinetics** > Page Range: p.809-816 > Author(s): Kai Liang; Qingquan Liu; Yue Ding > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102331&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > Porous magnetic polymer microspheres (PMPMs) were used as an adsorbent to removal of methyl violet (MV) from wastewater. Ethanol/water co-solvent mixtures in combination with various inorganic salts were used as eluents to regenerate PMPMs. The desorption capacity of the eluents were systematically investigated. The results showed that when ethanol/water co-solvents were used as the eluent, the desorption efficiency increased with the ethanol concentration. Incorporation of inorganic salts into the co-solvents greatly improved the desorption efficiency of the eluents. Among the eluents, a mixture of ethanol/water (8/2, v/v) in combination with 0.1M KCl exhibited excellent ability for recovering cationic dyes and regenerating PMPMs, which was again demonstrated during treatment of wastewater containing cationic golden yellow. Furthermore, the adsorption kinetics of methyl violet by PMPMs was also studied. It was found that the adsorption capacity depended on the initial concentration of dyes, and the pseudo-second-order model was more suitable to describe adsorption kinetics of methyl violet than the pseudo-first-order model. 26 Refs. > > > > --- > > > **Title: Prediction of elastic constants on 3D four-directional braided composites** > Page Range: p.817-824 > Author(s): Liang Dao Zhou; Zhuo Zhuang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102332&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > In this paper, a finite element model with a prestressed unit cell is proposed to predict the elastic constants of 3D four-directional braided composites. Firstly, a finite element unit cell model with damage constitutive for 3D four-directional braided composites is established to investigate the influence of the prestresses in the unit cell. Secondly, the elastic constants of 3D four-directional braided composites are predicted with and without the prestresses in the unit cell. Finally, the influences of the braided direction and fibre content on the elastic constants of 3D four-directional braided composites are discussed. The results will provide an important guidance for designing and evaluating the mechanical properties of 3D four-directional braided composites. 12 Refs. > > > > --- > > > **Title: Effects of preheating temperature of the mould on the properties of rapid-curing carbon fibre composites fabricated by vacuum-assisted resin infusion moulding** > Page Range: p.825-836 > Author(s): Kaomin Zhang; Yizhuo Gu; Shaokai Wang; Mi Li; Zuoguang Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102333&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > Shortening the curing time is critical to improve the processing efficiency of composites. In this paper, unidirectional carbon fibre-reinforced rapid curing epoxy composite laminates were fabricated by vacuum assisted resin injection moulding (VARIM). Different rapid curing processes (namely P80, P85, and P90) were employed, which preheating temperatures were 80, 85 and 90 deg C, respectively. Different preheating temperatures of mould and fibre preform were conducted, to demonstrate the effects on the properties and processing time of the composites. In addition, a slow curing process (N80) was investigated to verify the effect of rapid curing on the mechanical properties of the composites. The relationships among preheating temperature, curing cycle and properties of the composites were analysed. The results showed that the preheating temperature had obvious effects on the total cycle time and properties of the composites. The cycle time of the P80 process was 947 s, whereas that of the P90 process was 702 s. However, nonuniformity of the mechanical properties along the resin flow direction was more obvious for the P90 process, and more voids formed in the resin outlet region. Composites fabricated by the P80 process showed comparable mechanical properties and processing quality to those from the N80 process. It is suggested that a rapid curing process with proper preheating temperature is acceptable to improve the processing efficiency. 24 Refs. > > > > --- > > > **Title: Effect of ammonium polyphosphate modified with 3-(methylacryloxyl) propyltrimethoxy silane on the flammability and thermal degradation of pine-needles** > Page Range: p.837-842 > Author(s): Liping Li; Hongdan Hu; Haiqing Hu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102334&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > This paper investigated the influence of ammonium polyphosphate (APP) and ammonium polyphosphate modified with 3-(methylacryloxyl) propyltrimethoxy silane (M-APP) on flame retardancy and thermal degradation of pine needles. The presence of M-APP increased the char residue and decreased the pyrolysis temperature of pine needles observed by TGA. The addition of M-APP shifted the degradation peaks of pine needles to lower temperatures observed by DTG. The cone calorimetry test results showed that the situation of HRR, THR, SPR, TSP and the mass loss (%) on pine needles treated with M-APP was sharply less than the other samples. On the other hand, M-APP prolonged the ignition time (TTI) compared with the other samples. Therefore, M-APP has an overall better performance than APP on pine needles. 29 Refs. > > > > --- > > > **Title: Manufacturing of transparent composites using vacuum infusion process** > Page Range: p.843-850 > Author(s): Menta V G K; Vuppalapati R R; Chandrashekhara K; Schuman T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102335&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 22 > Issue No: No.9 > > **Abstract** > A novel optically-transparent glass fibre reinforced polymer matrix composite has been developed by infusing a clear epoxy resin system of matching refractive index into a conventional E-glass fabric preform. Transparent composites are manufactured using a low cost, environmentally friendly vacuum infusion process. Physical and mechanical tests have been conducted. Transparent composites manufactured using the modified vacuum infusion process had a fibre volume fraction of 40%. Tensile strength and tensile modulus of these composites were 374.9 MPa and 31.74 GPa respectively. The results indicate that the transparent composites possess good physical and mechanical properties. These transparent composites form a good base for developing new generation transparent armour systems. 23 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Preparation and properties of core-shell particles filled beta-nucleated polypropylene random copolymer composites Page Range: p.1-10 Author(s): Youchen Li; Guixin Zhang; Xiaowei Fu; Weihong Guo File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Preparation and properties of core-shell particles filled beta-nucleated polypropylene random copolymer composites** > Page Range: p.1-10 > Author(s): Youchen Li; Guixin Zhang; Xiaowei Fu; Weihong Guo > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102345&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > > > **Abstract** > To provide polypropylene random copolymer (PPR) with excellent toughness without lowering its rigidity, a novel kind of core-shell particles (CSP) and beta-nucleating agent (beta-NA) were incorporated into PPR by melt blending. The CSP, in which nano-CaCO3 acted as the core and polyethylene (PE) formed the shell, was also prepared through melt blending. The effects of different proportion of PE shell and nano-CaCO3 core on the properties of p-modified PPR composites were investigated. The dispersion and morphology of CSP were studied by transmission electron microscopy (TEM) and the results showed that the CSP dispersed fairly well in the PPR matrix and the core-shell structure was successfully formed. The nano-CaCO3 core was completely encapsulated by PE, especially at the 50/50 weight ratio. The crystallisation behaviour of the PPR composites was characterised by differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD) and polarised optical microscopy (POM). All the results showed that the relative content of beta-form crystal was greatly enhanced with the incorporation of beta-NA. Furthermore, the weight ratio change of PE/nano-CaCO3 could also increase the relative content of the beta-form crystal. Under the combined effects of beta-modification and CSP, the mechanical properties of the PPR composites were greatly enhanced without reducing its rigidity. 40 refs. > > > > --- > > > **Title: Temperature distribution and curing behaviour of carbon fibre/epoxy composite during vacuum assisted resin infusion moulding using rapid heating methods** > Page Range: p.11-20 > Author(s): Yizhuo Gu; Xing Qin; Min Li; Kaomin Zhang; Zuoguang Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102346&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > This paper designs two kinds of rapid heating methods for vacuum assisted resin infusion moulding (VARIM) process aiming to reduce the cycle time of carbon fibre/rapid curing epoxy composite fabrication. One utilizes the silicone rubber heating sheet containing thin resistance wires, and the other takes advantage of carbon fibre conductivity to produce internal resistive heating. Conventional oven heating VARIM was performed as a reference. The heating rates and temperature distributions in carbon fibre preform heated by the three heating methods with and without epoxy resin injection were investigated and compared. The curing degree and glass transition temperature of laminates fabricated by different VARIM processes were determined. The heating rate of silicone rubber heating sheet was 26 deg C/min, while the carbon fibre internal resistive heating reached 30 deg C/ min, which was much higher than the heating rate of 2 deg C/min in oven. Unlike the highly uniform temperature distribution in the oven heating process, there was a slight temperature gradient within 5 deg C in the silicone rubber heating process and a relatively large gradient within 13 deg C in internal resistive heating process for dry fibre preform. When epoxy resin was injected, the temperature gradients obviously increased along the resin flowing direction especially for the rapid heating methods. However, the temperature gradient seemed not to affect the curing degree and its uniformity of laminates for all studied VARIM processes. The cycle time of composite fabrication by the rapid heating VARIM processes was reduced by over 40% compared to oven heating VARIM. 24 Refs. > > > > --- > > > **Title: Impact fracture study of laminated composite using single edge notched bend specimens** > Page Range: p.21-28 > Author(s): Rizov V > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102347&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > The results of an investigation of impact fracture in laminated composite material are presented in this paper. Low velocity impact fracture tests were carried out on single edge notched three-point bending (SENB) specimens using a drop-weight rig. An inclined notch was introduced in the SENB specimen in order to generate mixed mode I/II crack loading conditions. Different mixed-mode ratios were obtained by varying the notch inclination from 10 deg to 90 deg with a step of 10 deg. The SENB specimens were subjected to various impact potential energies by varying the drop-height in order to determine the critical impact potential energy at which the crack growth initiates from the initial notch tip position for each of the considered notch inclinations. The mechanical response of the SENB specimen to impact loading was analysed using a two-dimensional linear-elastic finite element model. Good agreement was obtained between the predicted contact force - time curve and the measured one at various impact potential energy levels and notch inclinations. The strain energy release rate mode components were computed by the virtual crack closure technique. The composite fracture toughness under impact loading was characterised in terms of the critical dynamic strain energy release rate at the onset of crack growth. It was found that the fracture toughness under impact loading increases with decreasing the notch inclination. This finding was attributed to the increase of mode II component of crack loading. A comparison of the fracture behaviour under impact and static loading was performed. It was found that the fracture toughness under impact loading was between 19% and 23% lower than the static one for the different notch inclinations. Therefore, it was concluded that static fracture toughness should not be used in the fracture mechanics based design of composite structures which are subjected to impact loading during their lifetime. 28 Refs. > > > > --- > > > **Title: Investigation on mechanical properties of OCC fiber-HDPE composite containing different types of coupling agents** > Page Range: p.29-36 > Author(s): Mohebi Damabi R; Rashno A; Ahmadi S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102348&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > In this study, the effects of adding different coupling agents, e.g. maleic anhydride-grafted polyethylene (MAPE), silane (3-aminopropyltrimethoxy silane) (silane1189) and isocyanate (hexamethylenediisocyanate) (HDI) on mechanical and morphological properties of composite samples of high density polyethylene/old corrugated container fibres (HDPE/OCC) were studied. The amounts of OCC fibre and coupling agents used were 30% and 2% of dry composite weight, respectively. Mixing of materials was carried out by a two-screw counter extruder and samples were prepared by injection moulding. In order to compare the results of the use of mixture coupling agents, their effects were studied independently, as well. Mechanical properties of prepared composite samples containing coupling agents were measured and the results were compared with those of pure high density polyethylene and those of composite samples without coupling agent. The measured mechanical properties showed that maximum values of tensile and flexural strengths and tensile and flexural modulus could only be obtained in composites containing a mixture of silane1189 and MAPE coupling agents. It was also observed that the Izod impact strength values of composites with coupling agents increased significantly. SEM micrographs of failure surfaces of samples showed that the best homogeneity of composites and bonding between OCC fibres and polymer matrix were obtained for the sample containing 1 wt.% silane and 1 wt.% MAPE. 32 refs. > > > > --- > > > **Title: The tribological and mechanical properties of PDCPD/PEW composites prepared by reaction injection moulding** > Page Range: p.37-42 > Author(s): Liping Wang; Bingli Pan; Jinping Du; Yumei Cheng; Jichun Liu; Sanming Du; Bao Shangguan; Yongzhen Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102349&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > In order to improve mechanical performance and wear resistance of polydicyclopentadiene (PDCPD) by convenient methods and technologies, novel PDCPD/polyethylene wax (PEW) composites were prepared by in-situ polymerisation in a simulated reaction injection moulding. Studies on the mechanical and tribological properties of the composites were carried out. The bending strength and hardness of PDCPD/PEW composites significantly improved compared with neat PDCPD. The incorporation of PEW in PDCPD greatly enhanced the wear resistance and reduced the friction coefficients. The wear mass loss and friction coefficients for PDCPD/ PEW composites decreased continuously in the range of our experiments. The SEM micrographs of the worn surface showed the friction and wear mechanism of PDCPD. 17 Refs. > > > > --- > > > **Title: Mechanical constitutive relation model of expanded polyvinyl alcohol** > Page Range: p.43-50 > Author(s): Dongmei Wang; Hong Zhu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102350&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > The compression stress-strain response of expanded polyvinyl alcohol under different influence factors had been studied by static compression experiments. The constitutive relation model of expanded polyvinyl alcohol was established based on the Sherwood-Frost model, including density, temperature, strain rate and strain, and the factor of relative humidity was added to improve the model. Finally, the accuracy of the constitutive relation model was validated by comparing calculated curves according to the constitutive relation model and experimental data; the results were in good agreement. The model can easily predict compressive stress of expanded polyvinyl alcohol under various environmental conditions, and is also meaningful to offer reference data for product packaging. 13 Refs. > > > > --- > > > **Title: The orientational order of the alpha-helical backbone of poly(gamma-benzyl l-glutamate) - a molecular dynamics simulation** > Page Range: p.51-58 > Author(s): Zhiping Zhou; Lu Tao; Wenming Yang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102351&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > For a Poly(gamma-benzyl L-glutamate) (PBLG) segment with 30 monomers, molecular dynamics simulation was carry out in the Amber forcefield, by the software package InsightII/Discover. The geometrical structure of the backbone of the model molecule in the minimized energy state is in close agreement with that in the solid polypeptides. In the dynamic equilibrium state, the structure becomes slightly flabby and has a potential ca. 4800kJ/mol higher than that in the minimized energy state for the model molecule. On the average, the alpha-helical backbone architecture of PBLG remains quite stable during the molecular dynamic process, though the fluctuation of the bond and dihedral angles. The observed D NMR spectra for the quadrupolar splittings are reproduced and the previous architecture analysis was verified by the simulation calculations. 16 Refs. > > > > --- > > > **Title: Cocrystallization behavior of HDPE/UHMWPE blends prepared by two-step processing way** > Page Range: p.59-64 > Author(s): Jiandong Zuo; Shumei Liu; Jianqing Zhao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102352&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.1 > > **Abstract** > Blends of high density polyethylene (HDPE) and ultra-high molecular weight polyethylene (UHMWPE) were prepared by two-step processing way. Middle molecular weight polyethylene (MMWPE) as the lubricant was added into UHMWPE in the first processing step. Cocrystallisation behaviour of the blends was examined by DSC, XRD and light microscope (LM). A single endotherm peak in DSC curves revealed that cocrystallisation probably formed between HDPE and UHMWPE. Moreover reducing heating rate didn't make the single endotherm separate. The enhancing of diffractive strength on 110 and 200 crystal face manifested that the UHMWPE molecular chains taken part in the crystallisation of the blends. Reducing of the diameter of the undissolved UHMWPE particles in LM manified that the dispersion of UHMWPE in the blends obviously improved. Therefore two-step processing way could improve the dissolved degree and contribute to form the cocrystallisation. 14 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Effect of maleic anhydride-grafted polypropylene content on the bond properties of crimped macro polypropylene fibre in styrene butadiene latex-modified cement-based composites Page Range: p.65-70 Author(s):... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Effect of maleic anhydride-grafted polypropylene content on the bond properties of crimped macro polypropylene fibre in styrene butadiene latex-modified cement-based composites** > Page Range: p.65-70 > Author(s): Ri-On Oh; Seung-Kee Lee; Chan-Gi Park > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102407&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > > > **Abstract** > The influence of maleic anhydride-grafted polypropylene (mPP) on the bond characteristics of macro propylene (PP) fibre and styrene butadiene (SB) latex-modified, cement-based composites was investigated. The mPP content ranged from 0 to 40% of the cement weight. Bonding strength and interfacial toughness were measured in accordance with standard method JCI SF-8. Both bonding strength and interfacial toughness increased with increasing amounts of mPP up to 15% but decreased with mPP levels above 20%. mPP strengthens the interfacial bonding between fibre and cement by forming hydrogen bonds. Because mPP is hydrophilic, it also fills pores created at the interface between macro PP, a non-hydrophilic material, and the cement composite. As a result, the overall bonding performance of the composite was enhanced by increasing the frictional force and inhibiting crack generation and growth under fibre pullout loads. These mechanisms were confirmed by fine structure analyses of the micro-PP fibre surface after pullout tests. The amount of mPP used in the composite had a strong influence on the frictional force generated at the interface between the fibre and the cement matrix. 12 Refs. > > > > --- > > > **Title: The filling of a mould cavity with simultaneous impregnation of the reinforcing porous layer** > Page Range: p.71-76 > Author(s): Baranov A V > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102408&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > The isothermal filling of a flat mould cavity by a Newtonian fluid with simultaneous impregnation of the reinforcing porous layer is investigated. The flow in the cavity is described by inertialess Navier-Stokes equations, the flow in the porous layer by Darcy's law, and the flow in the region adjacent to the 'liquid-porous layer' boundary by the Brinkman equation. 26 Refs. > > > > --- > > > **Title: Statistically designed high and low methyl acrylate (MA) containing EMA-ethylene-octene copolymer double network hybrids: interesting contrast in physico-mechanical, rheological and electrical properties** > Page Range: p.77-84 > Author(s): Rumiya Pervin; Soumya Mondal; Luna Goswami; Vijayabaskar V; Abhijit Bandyopadhyay > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102409&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > This paper demonstrates interesting contrasts between physical, mechanical and rheological properties of double network hybrids developed from high (30 wt.%) and low (9 wt.%) methyl acrylate containing poly (ethylene-co-methyl acrylate) and poly (ethylene-co-octene) thermoplastic elastomer. The compositions were designed adopting a Taguchi L9 statistical model. The model was espoused to consider a wide range of blend compositions and process conditions for optimisation. The majority of the low methyl acrylate containing hybrids showed normal correlation between mechanical and other physical properties with the net gel content while for the other variety, they were ambiguous. The reason was investigated and it was found to be due to the influence of the nature of crosslinks formed between the phases which controlled the properties in the latter. Based on the results, finally, two blend compositions were chosen from each set as the most optimized formulations for future study. 19 Refs. > > > > --- > > > **Title: Poly (ethylene-co-vinyl acetate)/ magnetite nanocomposites: interaction of some liquid fuels, thermal and oil resistance studies** > Page Range: p.85-92 > Author(s): Ramesan M T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102410&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > Nanocomposites of poly (ethylene-co-vinyl acetate) (EVA) with magnetite (Fe3O4) particles were prepared in a laboratory size two roll mixing mill. The extent of interaction of nanoparticles in EVA was studied by X- ray diffraction (XRD), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). XRD patterns showed that the nanoparticles enhanced the crystalline nature of the polymer. Composite with 7 parts per hundred (phr) of Fe3O4 showed the uniform dispersion of nanoparticles in the EVA phase. The TGA result showed that the decomposition temperature of EVA/ Fe3O4 nanocomposites was much higher than the decomposition rate of pure EVA. Petrol, diesel and kerosene sorption by nanocomposites in the temperatures range of 28 to 50 deg C have been investigated. The minimum solvent uptake was obtained for the composite with 7 phr of filler and the value increased with increase in concentration of nanoparticles was due to the aggregation of nanoparticles at higher loading. Diesel showed the lowest interaction with composites compared to petrol and kerosene. It was found that the temperature activates the diffusion and the activation parameters were calculated. The oil resistance properties of the nanocomposite were higher than that of EVA and resistance to oil increased with increase in concentration of nanoparticles. 28 Refs. > > > > --- > > > **Title: Wavelength sensitivity in polypropylene/clay composite photooxidation** > Page Range: p.93-102 > Author(s): Samira Aslanzadeh; Haghighat Kish M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102411&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > The photo-oxidation behaviour of polypropylene/maleic anhydride-grafted polypropylene/organic modified montmorillonite (PP/PPgMA/OMMT) composites with short wavelength (UVC) and long wavelength (UVA) ultraviolet radiation was examined. The samples were prepared in a co-rotating twin-screw extruder and compatibilisers with different degrees of maleation were used. The photo-oxidative stability was studied using FTIR spectroscopy and microscopy. During UVA exposure, the rate of photo-oxidation of PP/PPgMA/OMMT increased with the amount of maleic anhydride from 0.1 to 0.5 wt.% in PPgMA. However, even after 2500 h of exposure to the radiation, the FTIR spectrum of pristine PP did not show significant changes. For UVC radiation, the rate of photo-oxidation of PP/PPgMA/OMMT composites was the same as that of pristine PP. On the other hand, there was a difference between PP and PP/PPgMA/OMMT composites in the formation of a crack on the back surfaces of the sheets facing the UVC sources. The difference was due to the presence of Fe3+ in clay layers that had the effect of UV-protection and blocking in the UVC region. 54 Refs. > > > > --- > > > **Title: Preparation, mechanical and thermal properties of poly(butylene terephthalate) and its nanocomposites prepared from cyclic butylene terephthalate** > Page Range: p.103-108 > Author(s): Bin Yang; Limin Zhou; Jifeng Zhang; Lu Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102412&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > Polymerized cyclic butylene terephthalate (pCBT) casts and pCBT/nano-silica composites generated from cyclic butylene terephthalate (CBT) were manufactured. The mechanical properties of pCBT casts with various ratio of catalyst were investigated through three-point bending test, and the thermal properties of the samples were tested by differential scanning calorimeter (DSC) and thermogravimetric analysis (TGA). Moreover, the fracture morphologies of pCBT as well as its nano-silica composites were observed by SEM. From the study, suitable catalyst content for CBT resin was determined and pCBT/nano-silica composites were found to have better thermal performances compared with neat pCBT. 16 Refs. > > > > --- > > > **Title: Effect of starch fillers on the dynamic mechanical properties of rubber biocomposite materials** > Page Range: p.109-112 > Author(s): Datta J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102413&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > The results of the dynamic mechanical study of biocomposites filled with different amounts of potato starch and corn starch are discussed. The composites were obtained from rubber mixtures containing natural rubber (NR) as a main component. Plastification of NR and rubber mixture was achieved by using the rubber open mixing mill (friction ratio 1.08). The vulcanisation process was realized with a hydraulic press under predetermined conditions (pressure ca. 5 MPa, temperature ca. 143 deg C, and processing time of 7, 12, 17 min). Thermomechanical analysis (by DMTA) showed that the quantity of starch fillers had only a slight influence on the glass transition temperature of the produced vulcanisate materials. 14 Refs. > > > > --- > > > **Title: Effect of red phosphorus masterbatch on flame retardancy and thermal stability of polypropylene/thermoplastic polyurethane blends** > Page Range: p.113-120 > Author(s): Yang Xu; Mengqi Tang; Xiaolang Chen; Man Chen; Jie Yu; Yonghong Ma; Zhidan Sun; Zhibin Zhang; Jun Lv > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102414&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.2 > > **Abstract** > In this work, red phosphorus masterbatch (RPM) was filled into polypropylene/thermoplastic polyurethanes (PP/ TPU) blends as a halogen-free flame retardant. The flammability behaviour, thermal stability and mechanical properties were investigated by limit oxygen index (LOI), UL-94 vertical burning, cone calorimeter tests (CCT), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). The results showed that the addition of RPM improved the flame retardant performance of PP/TPU blends. The LOI values of the composites with RPM were higher than that of the PP/TPU blends, and the UL-94 V-2 rating was achieved for PP/TPU/RPM composites. The CCT results further indicated that the heat release rates (HRR), total heat release (THR), and the CO2 production rate (CO2P) decreased in comparison with the PP/TPU blends. TGA data indicated that RPM greatly enhanced the thermal stability and char residues of PP/TPU blends. The addition of RPM deteriorated the tensile strength of the PP/TPU/RPM composites. However, the impact strength of the composites was improved. 24 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Temperature dependence of tack for polyacrylic block copolymer/tackifier blend Page Range: p.121-128 Author(s): Kohei Shitajima; Nozomi Karyu; Kyohei Takada; Syuji Fujii; Yoshinobu Nakamura; Yoshiaki Urahama... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Temperature dependence of tack for polyacrylic block copolymer/tackifier blend** > Page Range: p.121-128 > Author(s): Kohei Shitajima; Nozomi Karyu; Kyohei Takada; Syuji Fujii; Yoshinobu Nakamura; Yoshiaki Urahama > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102428&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > > > **Abstract** > The effect of polymer and tackifier compatibility on tack of pressure-sensitive adhesive (PSA) tape was investigated. Poly(methyl methacrylate)-block-poly(butyl acrylate)-block-poly(methyl methacrylate) triblock copolymer was used as the base polymer and three types of tackifiers, an aliphatic petroleum resin (A), a special rosin ester resin (B), and a rosin phenolic resin (C), were mixed at 10-30 wt.%. Compatibility with the base polymer was greater in the order of C > B > A. Tackifier agglomerates of approximately 10 nm were observed by transmission electron microscopy for the PSA with tackifier C. Similar agglomerates were observed for tackifier B, but the size increased with content. The size for tackifier A was several tens of micrometres. Dynamic mechanical analysis indicated that the glass transition temperature of the poly(butyl acrylate) phase increased upon addition of tackifiers B and C. This trend was more significant for tackifier C. It was not observed for tackifier A. The temperature dependence of tack was measured using a probe tack test. Tack was greater in the order of C = B > A. Tack at higher temperatures was superior for greater tackifier C contents. Tackifier and base polymer compatibility has a strong effect on tack and its temperature dependence. 20 Refs. > > > > --- > > > **Title: Second-order polarizability and temporal stability of epoxy polymers doped with chromophore and with chromophore moieties in the main chain** > Page Range: p.129-136 > Author(s): Dmitry Mishurov; Roshal A; Oleksandr Brovko > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102429&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > Second-order nonlinear optical (NLO) properties and temporary stability of epoxy polymers based on diglycidyl ether of bisphenol A (DGEBA) both doped with p-nitroaniline (p-NA) and functionalised linear polymer DGEBA with p-NA moieties (attached to the bearing main chain) in the main chain (DGEBA-p-NA) have been investigated. Second-order polarizabilities of both p-NA and functionalised linear polymer DGEBA-p-NA were determined by a solvatochromic method. It was shown that this method could be successfully applied to determine the molecular second-order polarizabilities of both low-molecular mass chromophores and polymers with chromophore moieties attached to the chains. The relaxation behaviour of the doped and functionalised poled epoxy polymers has been studied. The crosslinked functionalised polymer DGEBA-p-NA exhibits the highest second-order NLO properties and temporal stability. 20 Refs. > > > > --- > > > **Title: Effect of post spinning modification using potassium permanganate on the thermal specifications of acrylic fibres** > Page Range: p.137-140 > Author(s): Eslami-Farsani R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102430&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > This study is focused on post spinning treatment of acrylic fibres using 5%wt. potassium permanganate (KMnO4) solution under different impregnation times. The evaluation of initial and modified acrylic fibres by differential scanning calorimetry (DSC) showed that treating acrylic fibres with KMnO4 solution can result in changes of chemical structure and thermal behaviour of fibres. The recorded DSC thermograms of modified samples indicated that with increase of impregnation time, the onset temperature of the cyclisation reaction decreased. Also there was a progressive increase in the difference of onset and endset temperature ((DELTA)T) of chemical reactions in the DSC peak. 26 Refs. > > > > --- > > > **Title: Phase morphology and mechanical properties of aliphatic waterborne polyurethane-ureas: effect of 1,6-hexamethylene diisocyanate (HDI)/isophorone diisocyanate (IPDI) ratio** > Page Range: p.141-150 > Author(s): Heqing Fu; Kang Liu; Caibin Yan; Weifeng Chen; Yin Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102431&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > Aliphatic waterborne polyurethane-ureas (WPUU) were prepared using 1,6-hexamethylene diisocyanate (HDI) and isophorone diisocyanate (IPDI) as mixed diisocyanates. The effects of the HDI/IPDI ratio on the phase morphology of WPUU films including the hydrogen bonding, crystallisation of the soft segment and hard segment, and phase separation were investigated. The relationship between the phase morphology and the mechanical properties was also studied. The FTIR spectrum showed that the hydrogen bonding degree in the hard segments increased as the HDI/IPDI ratio increased. XRD analysis revealed the excellent crystallinity of WPUU films. DSC analysis indicated that the degree of phase separation was improved with increasing HDI/IPDI ratio, and DMA analysis showed that the storage modulus of the WPUU film increased at first and then decreased. When the HDI/IPDI ratio was 4:1, the WPUU films exhibited high tensile strength. 32 Refs. > > > > --- > > > **Title: Three^-dimensional polyacrylamide^-poly(ethylene glycol)/phosphoric acid for high^-temperature proton exchange membranes** > Page Range: p.151-158 > Author(s): Zhenyi Li; Yansheng Yin; Liqiang Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102432&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > We report the feasibility of anhydrous polyacrylamide-poly(ethylene glycol)/phosphoric acid (PAAm-PEG/ H3PO4) semi-interpenetrating network frameworks as high-temperature proton exchange membranes (PEMs). The PEMs are synthesised by imbibing H3PO4 aqueous solution into three-dimensional PAAm-PEG frameworks accompanied with a dehydration process. The electrical properties are optimized by adjusting synthesis conditions such as crosslinker, initiator and PEG dosages. Results show that the H3PO4 loading and therefore the proton conductivities of the PEMs are significantly enhanced at optimal synthesis conditions. The optimal anhydrous proton conductivity is as high as 0.18 S cm-1 at 180 deg C. A fuel cell using a thick membrane as a PEM shows a peak power density of 635 mW cm-2 at 150 deg C with O2 and H2 as the oxidant and fuel, respectively. The high proton conductivities at high temperatures in combination with the simple preparation, low cost, scalable hosts and proton conductors demonstrate the potential use of hydrogel materials in high-temperature PEM fuel cells. 34 Refs. > > > > --- > > > **Title: Factors affecting on the electricity properties of a metal/PET composite during tensile deformation** > Page Range: p.159-166 > Author(s): Mei-yu Chen; Kan Lai; Run-jun Sun; Hong-tian Fang; Wei Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102433&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > The effects of different factors on the electrical properties of a well-bonded metal/PET composite during tensile deformation were systematically analysed, including metal materials, metal coating film thickness and environmental temperature. It was found that, before a crack appearance in the coated metal film, the critical elongation of a well-bonded metal/PET composite depended on the differences of modulus and Poisson's ratio between the coated metal material and PET substrate. After cracking, the metal/PET composites with different metal films showed different elongations when there was a sudden increase in the resistance of the metal/PET composite; the thicker the metal film deposited on PET substrate was, the lower resistance the metal/PET composite had. The thickness of metal film had no obvious effect on the critical elongation of the metal/PET composites. In addition, the resistance of the metal/PET composite increased with the increasing environmental temperature. 22 Refs. > > > > --- > > > **Title: Preparation and characterisation of polyethersulfone filled with silica nanoparticles** > Page Range: p.167-174 > Author(s): Cheng-Fang Ou; Shing-Jyun Chium > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102434&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > This study was performed primarily to investigate the effects of chemical modification on silica surface and the silica content on the thermal and gas barrier properties of a polyethersulphone (PES) matrix. The PES/SiO2 composites composed of PES and three species of SiO2 nanoparticles (AEROSIL A200, R805 and R974) were prepared by solution blending. The thermal behaviour, thermal stability, and morphology of the composites were studied by DSC, TGA and SEM. The oxygen barrier efficiency of the composites was characterised by use of an oxygen transmission rate (OTR) analyser. The composites' properties, such as glass transition temperature (Tg), decomposition temperature (Td), and oxygen barrier, were found to improve. The Tgs of the composites increased significantly with the silica content and the 10 wt.% R805 composite exhibited the highest Tg, which was 28.7 wC higher than that of pure PES (193.8hC). The Tds of these composites increased from 4.9 sC to 10.6 CC with silica content ranging from 0.5~10 wt.%. The added SiO2 leads to an increase in Tg and Td .The oxygen barrier effectiveness of the composites showed significant improvement when compared to pure PES. The 1 wt.% R974 composite exhibited the lowest OTR, a decrease of 62% when compared to pure PES. These results indicate that the PES/SiO2 composites have high potential for flexible polymer substrate applications. 37 Refs. > > > > --- > > > **Title: Tributyl citrate as diluent for preparation of PVDF porous membrane via thermally induced phase separation** > Page Range: p.175-180 > Author(s): Zhao-Cai Zhang; Chun-Gang Guo; Jing-Lie Lv > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102435&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > Poly(vinylidene fluoride) (PVDF) membrane was successfully prepared by PVDF/tributyl citrate (TBC) via thermally induced phase separation (TIPS). TBC was used as diluent for membrane preparation, which is citric acid esters non-toxic, non-odorous, easy to prepare and comparatively cheap. The effects of PVDF content on crystallinity of PVDF and porous structure were investigated by differential scanning calorimetry (DSC), scanning electron microscopy (SEM), mercury porosimetry and pore size analyser instrument. The results showed that PVDF was most able to crystallize and the membrane pore size became more uniform and smaller at higher polymer content. 17 Refs. > > > > --- > > > **Title: The properties and a new preparation of ethylene propylene diene monomer/montmorillonite nanocomposites** > Page Range: p.181-190 > Author(s): Ming-Chien Yang; Bo-Jyue Kao; Chi-Hui Tsou; Maw-Cherng Suen; Chin-San Wu; Chih-Yuan Tsou; Chih-Kuei Chu; Wei-Hua Yao; Wen-Yan Wu; Wei-Sung Hong; Kueir-Rarn Lee > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102436&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > In this study, ethylene propylene diene monomer (EPDM)/organic clay nanocomposites were prepared using melt intercalation to explore how the nanoclay affected their structures and mechanical and thermal properties. Montmorillonite (MMT) modified with hydrochloric acid (HCl) and maleic anhydride (MAH) was employed to improve the compatibility of the EPDM and MMT phases. The effects of the modified clay on the properties of the EPDM were compared with those of commercially available MMTs (Clay10A and Clay30B) synthesised using an alternative modifier. The nanoclay structures of the EPDM/clay nanocomposites were characterised using X-ray diffraction (XRD), and their thermal and mechanical properties were examined a using thermogravimetric analysis (TGA) and universal tensile testing machine. MMT spacing can be increased with the addition of hydrochloric acid and maleic anhydride (MAH). The XRD results showed no diffraction peak for the EPDM and modified MMT (ClayMAH) composites, verifying that the MMT was exfoliated. The TGA results showed that the thermal decomposition temperature and the residual can be enhanced by increasing the ClayMAH content, the pyrolysis temperatures of EPDM/ClayMAH, EPDM/Clay10A, and EPDM/Clay30B are similar because of the barrier effect phenomenon. The mechanical properties can also be improved with additional ClayMAH content because the clay is dispersed in EPDM. A decline in the crosslinking density increases the slidability between polymers, which enhances the mechanical properties of the nanocomposite. ClayMAH is more effective for improving the tensile property compared to Clay10A and Clay30B. 26 Refs. > > > > --- > > > **Title: Preparation of polyaniline/filter-paper composite for removal of coomassie brilliant blue** > Page Range: p.191-198 > Author(s): Wanwan Liu; Xiaoqiang Li; Mengjuan Li; Yonggui Li; Mingqiao Ge > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102437&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > Polyaniline/filter-paper (PANI/FP) composite was prepared by in-situ polymerisation of polyaniline onto filter paper and subsequently evaluated for the removal of Coomassie brilliant blue (CBB) from aqueous solution. Scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and Fourier-transform infrared (FTIR) spectroscopy were used to investigate the morphology and physicochemical properties of PANI/FP composite. Batch experimental results showed that the pH value and temperature could affect the removal capability of the PANI/FP composite. Langmuir and Freundlich models were used to analyse the equilibrium adsorption. Pseudo-first and pseudo-second order models were used to investigate the kinetics of CBB adsorption onto PANI/FP composite. 20 Refs. > > > > --- > > > **Title: Preparation, characterization and anti-bacterial activity of zinc oxide-gelatin nanocomposite film for food packaging applications** > Page Range: p.199-204 > Author(s): Umamaheswari G; Sanuja S; Vino Arul John; Kanth S V; Umapathy M J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102438&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.3 > > **Abstract** > Gelatin based composite films were prepared using various crosslinking agents for possible application in the food packaging industry. In the present study, gelatin films were formed by the incorporation of zinc oxide (ZnO) nanoparticles. The ZnO nanoparticles were synthesised by a wet chemical method using zinc nitrate as precursor and starch as stabilising agent. It was characterised by FTIR. Surface morphology and thermal studies were performed by SEM and TGA respectively. The average particle size was calculated from the X-ray diffraction pattern using Scherrer's equation. Mechanical studies were done with a Universal Testing Machine. The distribution of particles was clearly seen by SEM and thermal studies showed that the decomposition temperature of gelatin was increases by the incorporation nano ZnO. The mechanical properties were also improved with increase in concentration of nano ZnO. Antibacterial activities of the films were also studied against S. aureus, V. cholera and E. coli by the disc diffusion method. 22 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Porosity effect on residual flexural strength following low energy impact of carbon fibre composites Page Range: p.205-212 Author(s): Arthurs B; Bull D J; Arumugam V;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Porosity effect on residual flexural strength following low energy impact of carbon fibre composites** > Page Range: p.205-212 > Author(s): Arthurs B; Bull D J; Arumugam V; Chambers A R; Santulli C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102445&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > > > **Abstract** > Studies of the combined effects of the presence of porosity (as it may result from partially effective cure cycles) and of low-energy impact damage on the residual properties of CFRP laminates have led so far to controversial results. In particular, it is not clear from the literature whether the presence of voids would blunt crack propagation following impact or rather would promote damage development. These effects would respectively either increase or reduce post-impact residual strength, relative to that of the laminate with virtually no voids, as the result of an optimal manufacturing procedure. With this in mind, different cure cycles have been applied to produce carbon fibre-reinforced polymer (CFRP) composites with various levels of void content, which were subjected to low energy impact damage (3, 4.5 and 6 J) and then to post-impact flexural strength measurement. Damage assessment using micro-focus computed tomography ((mu)CT) was used to complement traditional ultrasonic C-scans, which proved ineffective on the high-porosity samples. Three cure-cycles were investigated: one which led to high porosity (average void content 4 vol%) and two conventional low-porosity cure cycles, only one of which included a post-cure cycle. This study has found that, despite a lower initial flexural strength, higher residual flexural strength was retained after impact in the high-porosity material than in the low-porosity one. This is explained by the lower extent of impact damage observed in the high porosity material, where voids had the effect of suppressing delamination propagation. 23 Refs. > > > > --- > > > **Title: Reinforcement role of carbon nanotubes: interfacial properties of carbon fibre - epoxy nanocomposite** > Page Range: p.213-222 > Author(s): Min Ya; Ryszard Pyrz > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102446&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > Single-walled carbon nanotube (SWCNT) reinforced epoxy was fabricated as the matrix material for carbon fibre reinforced composite. SWCNT-epoxy sample with a single fibre on the top of the surface was loaded incrementally to sufficient strain levels to cause interfacial failure. Fibre strain profiles were obtained at each level of the applied strain by Raman spectroscopy. The strain distributions obtained agree well with the Cox shear-lag model and Piggott partial-debonding model that are conventionally used to describe load transfer at interface. No full-debonding phenomenon was observed. Interfacial shear stress (ISS) distribution was derived at each applied matrix strain. Interfacial shear strength (IFSS) increases after introducing SWCNT in the epoxy resin, which can be explained by the increase of shear yield stress of the matrix material and the increase of radial pressure at the interface resulting from thermal residual stress. The residual strains in the matrix in the vicinity of the single carbon fibre were also mapped by using of the Raman spectra of SWCNT. Stress concentration zones were observed around the fibre ends. 19 Refs. > > > > --- > > > **Title: Preparation and characterization of poly(2-hydroxyethyl methacrylate) and castor oil based uralkyds interpenetrating polymer networks** > Page Range: p.223-228 > Author(s): Prashantha K; Rashmi B J; Vasanth Kumar Pai K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102447&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > Interpenetrating polymer networks (IPNs) of poly[2-hydroxyethylmethacrylate] and uralkyd prepolymer were synthesised using benzoyl peroxide as initiator, polyethylene glycol as chain extender, and N,N-methylene bis acrylamide as crosslinker by sequential polymerisation method. The concentration of uralkyd (UA) prepolymer and poly[2-hydroxyethylmethacrylate] (PHEMA) were varied and their effects on chemical, mechanical, thermal, and morphological properties of IPNs were investigated. The IPNs glass-transition temperatures increase with increasing PHEMA concentrations. Tensile strength, and shore A hardness increases with increasing concentration of PHEMA while sacrificing percent elongation. Almost all IPNs have shown similar chemical resistance irrespective of composition. Thermo gravimetric analysis (TGA) indicated that increase in PHEMA concentration increases thermal stability of IPNs. Morphological analysis reveals that IPNs reveals heterogeneous and compact morphologies with distinct microphase separation. 22 Refs. > > > > --- > > > **Title: Comparison of effects of alkali treatment on flax fibre reinforced polyester and polyester-biopolymer blend resins** > Page Range: p.229-242 > Author(s): Mahesh Hosur; Harika Maroju; Shaik Jeelani > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102448&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > In this study, flax fibres were treated initially with a 2.5, 5, and 7% of sodium hydroxide (NaOH) solution at room temperature for one hour. Among different treatments, fibres treated with 2.5% alkali solution showed optimal properties. Hence, for further studies, all flax fibres were treated with 2.5% solution of alkali solution, but at different temperatures. In the next phase of study, biocomposites were prepared by immersing fibre mats in resin bath and compression moulding using a hot press. Two polymers: polyester and a polyester-biopolymer blend, Envirez (Registered) 1807 were used as matrices. Moisture absorption and flexure tests were conducted on the composites. It was determined that composites with treated fibres showed reduction in moisture uptake compared to those with untreated fibres. Composites with alkali treated fibres showed an increase in flexural properties as well as storage modulus which was attributed to effects of chemical treatment. Composites made using Envirez (Registered) 1807 which has about 22% of natural polymer showed comparable properties with those made using polyester resin system. 28 Refs. > > > > --- > > > **Title: Synthesis and characterization of star-shaped poly(lactideco-glycolide) using POSS as an initiator, and its drug-loaded microspheres** > Page Range: p.243-250 > Author(s): Xiaojing Zhang; Chong Li; Yuelei Hu; Jiashu Sun; Shaoming Fang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102449&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > In this paper, a series of star-shaped poly(lactide-co-glycolide)s (sPLGA) with different block ratios were prepared by the ring-opening copolymerisation of D,L-lactide (LA) and glycolide (GA) with multi-hydroxyl polyhedral oligomeric silsesquioxane core as an initiator and tin (II) 2-ethylhexanoate (Sn(Oct)2) as the catalyst. The products were characterised by NMR, FT-IR, GPC, XRD, DSC, TGA and viscosity measurements. The results show that the contents of PLA and PGA segments in sPLGA can be controlled by the feed ratios of the copolymerisation. The glass transition temperature and crystallinity of sPLGA decrease and the crystalline sPLGA becomes amorphous with increasing the molar feed ratio between GA and LA from 10:90 to 50:50. The drug-loaded sPLGA microspheres were prepared by an emulsion solvent evaporation method. The morphology and the drug release property were investigated by SEM, dynamic light scattering (DLS) and ultraviolet spectrophotometry (UV). The results indicate that the sPLGA80 microsphere surface was smooth and the mean diameter was about 1.27(mu)m. The sPLGA80 microspheres showed good drug loading and release properties. 32 Refs. > > > > --- > > > **Title: Theoretical models and experimental study on mechanical properties of reinforced polymer matrix using different kinds of carbon nanotubes** > Page Range: p.251-260 > Author(s): Kordani N; Adibipour R; Sadough Vanini A; Zare A; Gil V > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102450&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > This paper is a study of the role of functionalised multi-walled carbon nanotubes (MWCNT-COOH) and single-walled carbon nanotubes (SWCNT) in improving the mechanical properties of epoxy resins. In nanotube-based polymeric composite it is anticipated that high elastic modulus can be achieved by taking advantage of the interfacial friction between the nanotubes and the polymer. In order to evaluate the CNT effect on polymer composites, different weight fractions of CNTs and two different kinds of CNTs were dispersed in the matrix. First, the damping characteristics of the samples with 0, 0.5, 1 and 1.5 wt.% nanotube contents were measured and then the tensile modulus was determined experimentally. The experiments showed an increase of the elastic modulus and the damping due to adding CNTs. Theoretical models were used to show the effect of added reinforcement to compare with experimental elastic modulus data. The results showed that a modified Rule of Mixtures model, incorporating the effect of fibre orientation in 3D was closest to the experimental results. 29 Refs. > > > > --- > > > **Title: Thermal stability of electrical properties and amine vapour sensitivity of in-situ prepared polyaniline/graphene nanocomposites assisted by sodium dodecyl sulfate micelles** > Page Range: p.261-270 > Author(s): Tarique Anwer; Faiz Mohammad > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102451&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > Polyaniline (Pani)/graphene (GN) nanocomposites were prepared by in-situ oxidative polymerisation of aniline with GN in presence of sodium dodecyl sulphate. The effects of polymerisation and modification of the chemical structures in the nanocomposites were characterised by fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM) and X-ray diffraction techniques (XRD). Sodium dodecyl sulphate played the role of a surfactant, improving the dispersion of GN within the polymer matrix simultaneously. FTIR results revealed the presence of (pi)^-(pi) interactions between Pani and GN leading to the formation of a charge-transfer complex. The thermal stabilities of the electric properties of the as-prepared nanocomposites were investigated as a function of GN content. As-prepared Pani/GN nanocomposites showed greater electrical conductivity as well as improved thermal stability in terms of DC electrical conductivity retention under isothermal and cyclic ageing conditions compared with pure Pani. They were also observed to possess better amine sensing properties in comparison to pure Pani when exposed to the vapour of methylamine. 21 Refs. > > > > --- > > > **Title: The synergistic effects of carbon black and carbon fibre on the thermal conductivity of silicone rubber** > Page Range: p.271-276 > Author(s): Jibin Wang; Luping Ni; Qiuying Li; Chifei Wu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102452&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.4 > > **Abstract** > Silicone rubber (SR) composites filled with carbon black (CB) and carbon fibre (CF) were prepared. The effects of a single filler as well as hybrid fillers on the thermal conductivity (a) and mechanical properties of SR composites were investigated. It was found that hybrid filler was more effective in increasing ww of the composite, and this effect was more pronounced when the weight ratio of CF:CB was 80:20. The scanning electron microscopy showed the hybrid filler formed a better filler network than single filler in the matrix. SR composites filled with hybrid fillers also possessed better mechanical properties compared with composites filled with only CF. 36 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Experimental study on the mechanical properties of basalt fibres and pultruded BFRP plates at elevated temperatures Page Range: p.277-284 Author(s): Zhongyu Lu; Guijun Xian; Hui... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Experimental study on the mechanical properties of basalt fibres and pultruded BFRP plates at elevated temperatures** > Page Range: p.277-284 > Author(s): Zhongyu Lu; Guijun Xian; Hui Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102475&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > > > **Abstract** > Basalt fibre reinforced polymer (BFRP) composites have been widely used for structural strengthening and reinforcement in civil engineering recently. Since fire risk is unavoidable for most civil structures, the degradation of BFRP at elevated temperatures needs to be known for the safe design of its strengthened or reinforced structures under fire risk. In this study, the mechanical properties of basalt fibre roving and pultruded basalt fibre reinforced epoxy plates were investigated at elevated temperatures. As the temperatures increasing from room temperature to 200 deg C, the tensile strength and modulus of the fibre roving were reduced by 8.3% and 9.7%, respectively. Meanwhile, the Weibull shape parameter (m) of the fibre roving decreased by 20.5%. As regards the BFRP plates, however, the elevated temperatures show more adverse influence. The tensile strength and modulus of the BFRP plates is reduced by 37.5% and 31% as temperature rising to 200 deg C. Compared to the tensile properties, the short beam shear strength (SBS) was reduced by around 90%, more susceptible to the elevated temperatures. The glass transition temperature (~93 deg C) plays a key role on the inflexion of the variation of the mechanical properties, especially for the tensile strength. In a wide temperature range, the relationship between the tensile strength and the SBS showed a good linearity, indicating the reduction of the tensile strength comes from the deterioration of the interlaminar shear strength at elevated temperatures. 22 Refs. > > > > --- > > > **Title: Dispersibility of hydrophilic and hydrophobic nano-silica particles in polyethylene terephthalate films: evaluation of morphology and thermal properties** > Page Range: p.285-296 > Author(s): Mazeyar Parvinzadeh Gashti; Siamak Moradian; Abosaeed Rashidi; Mohamad-Esmail Yazdanshenas > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102476&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > The development of polyethylene terephthalate (PET) nanocomposites with different nano-fillers has been an especially intense area of research due to an enhancement in thermal and physical properties of nanocomposites compared to pure PET. In this regard, the surface properties of nano-particles and their interactions with PET chains have a critical role on different properties of prepared nanocomposites. The aim of this paper is to study the influence of the type of nano-silica particles with different surface properties on the dispersibility, the interfacial adhesion, surface morphology, nucleation and thermal properties of the resultant PET/silica nanocomposites. For this purpose, PET composites containing hydrophilic or hydrophobic nano-silica were prepared by melt compounding. Different properties of nanocomposites were investigated using polarised optical microscopy (POM), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), dynamical mechanical thermal analysis (DMTA) and contact angle measurements (CAM). POM images indicated that nano-silica tended to increase the number of spherulites in the PET composite structure depending on the type of particles. The thermal studies of the nanocomposites showed a slight decrease in the melting temperature compared to the pure PET. 65 Refs. > > > > --- > > > **Title: Pullout performance of common construction fasteners from long fiber thermoplastic composites** > Page Range: p.297-304 > Author(s): Kaliberov D; Uday Vaidya > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102477&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > The recent increase in cyclone activity in the last 20 years has pressured the construction industry to look for alternative materials for roof construction. Although plywood is a cheap material, its mechanical properties are highly dependent on moisture content. Long fibre thermoplastics are an emerging type of plastic materials that feature enhanced mechanical properties due to high aspect ratio discontinuous fibres in a tough polymer matrix. The present study focuses on comparing the pullout strength of commonplace fasteners from plywood and long fibre thermoplastic composite panels. Specimens were tested according to ASTM standards D176188 and D6117-97 for mechanical fasteners in wood and long fibre thermoplastic (LFT) composites. Common construction nails like 6D, 10D and 16D and a #8 screw were used to compare the performance in terms of withdrawal. The data showed that LFT composites had withdrawal strength on average two to three times that of plywood for all tested fasteners types. Experimental data was analytically verified by APA TT-109 guidelines. 25 Refs. > > > > --- > > > **Title: Qualifying dispersion and distribution of carbon nanotubes in polyamide matrix during melt-mixing by flow simulation** > Page Range: p.305-316 > Author(s): Loux C; Prashantha K; Roger F; Lacrampe M F; Krawczak P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102478&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > This work aims at numerically simulating the flow of nanocomposites in a twin-screw mixer so as to develop a prediction tool of nanofiller dispersion and distribution in a polymer matrix during processing. The rheological behaviour of polyamide 6 / carbon nanotubes blends (PA6/MWCNT) containing from 1 to 5 wt.% of MWCNT was investigated over a large range of shear rates (0.1 to 100 s-1) and temperatures (230 to 245 deg C). The macroscopic dispersion of the nanotubes was assessed by dynamic rheometry. Viscosity laws of the nanocomposites were characterised and implemented in a finite element software package to compute the velocity, pressure and temperature fields during the mixing process. A good agreement was founded between the calculated and measured torques. The dispersive and distributive capability of the flow was numerically evaluated and compared to the nanotubes dispersion quality experimentally qualified by oscillatory rheometry. Experimental and numerical results are complementary and allow better understanding the mixing capability of the twin-screw mixer used to compound nanocomposites. 35 Refs. > > > > --- > > > **Title: Toughening polystyrene by core-shell rubber particles: analysis of the internal structure and properties** > Page Range: p.317-324 > Author(s): Chao Zhou; Shuting Wu; Bowen Yang; Yunxia Gao; Guangfeng Wu; Huixuan Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102479&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > A series of polybutadiene-graft-polystyrene (PB-g-PS) core-shell structural rubber particles has been prepared by grafting styrene onto polybutadiene seeds via emulsion polymerisation. All the PB-g-PS particles were designed with the same chemical composition and similar grafting degree but different internal structures. The difference in internal structure was realised by controlling the allocation of 'external grafting' and 'internal grafting' of styrene. Three different internal structures: rare sub-inclusion, small size sub-inclusions and large-scale subinclusions in the rubber phase were observed by transmission electron microscopy. Slight aggregation of rubber particles of PB-g-PS with large-scale sub-inclusions was found in PS/ PB-g-PS blends. The results of dynamic mechanical analysis showed the PB-g-PS with small size sub-inclusions had lower glass transition temperature than the others. Izod test results showed that the PB-g-PS with large-scale sub-inclusions could toughen the PS matrix more effectively. The deformation mechanisms responsible for these effects are discussed. 27 Refs. > > > > --- > > > **Title: Chitosan/cellulose/halloysite membranes produced using solvent casting method** > Page Range: p.325-332 > Author(s): Kavitha Govindasamy; Muhammad Hafiz Ramli; Pooria Pasbakhsh; Vengidesh Pushpamalar; Babak Salamatinia > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102480&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > Polymer biocomposites have attracted a lot of attention due to the increasing requirements for biomaterials to replace conventional materials. This replacement is due to the remarkable properties of biomaterials, including their biocompatibility, biodegradability and non-toxicity. Chitosan (CS) is a renowned abundantly-available biopolymer that is furnished with such properties. However chitosan is known to be unstable in acidic conditions, and it has fairly low mechanical strength and requires further improvement for various applications. This study aims to improve the properties of chitosan by making composites of CS reinforced with carboxymethyl cellulose (CMC), microcrystalline cellulose (MCC) and halloysite nanotubes (HNTs). These composites were prepared through solvent casting method and were investigated for their mechanical, chemical and morphological properties. The mechanical testing results showed that the CS/MCC membranes had the best mechanical properties, with a tensile strength (s) of 79.98 plus/minus 8.12 MPa and a Young's modulus (E) of 2.44 plus/minus 0.21 GPa. Scanning electron micrographs confirmed that the high mechanical strength of CS/MCC membranes is attributed to better dispersion of MCC in chitosan. Infrared spectroscopy compared the chemical interactions between the main functional groups of the matrix and fillers. A surface wettability test was performed and revealed that chitosan membranes reinforced with 10 (w/w%) of CMC had the lowest (88.45 deg ) and chitosan membrane with 5 (w/w%) HNT and 5 (w/w%) had the highest contact angle (130.83 deg ). Addition of both CMC and MCC led to an improvement of the mechanical properties over the pure chitosan membrane, which was attributed to a significant interaction between chitosan and cellulose through hydrogen bonding. 34 Refs. > > > > --- > > > **Title: The effect of a novel intumescent flame retardant-functionalized montmorillonite on the thermal stability and flammability of EVA** > Page Range: p.345-350 > Author(s): Yan Liu; Qingli Yu; Zhengping Fang; Yan Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102481&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > A novel intumescent flame retardant-functionalised montmorillonite (PAB-MMT) was prepared by modification of sodium montmorillonite (Na-MMT) with an intumescent flame retardant (PAB) containing phosphorus-nitrogen structure. The results of X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) analysis indicated that PAB had intercalated into Na-MMT. The applications of this fact for improving the thermal stability and flammability of poly(ethylene-co-vinyl acetate) were investigated by thermogravimetric analysis (TGA), and microscale combustion calorimetry (MCC). Scanning electron microscopy (SEM) was carried out to learn the morphology of the char residue. The results showed that the addition of PAB-MMT into EVA could improve the flame retardancy of the EVA matrix. The peak heat release rate (PHRR) and total heat release (THR) were significantly reduced in comparison with those of other EVA composites. The TGA data showed higher char residue than other composites, which was the reason for the improved flame retardancy. 21 Refs. > > > > --- > > > **Title: Manufacture of fibreglass nonwoven composites and study of the effect of different variables on their quality** > Page Range: p.351-358 > Author(s): Sheraz Hussain Siddique Yousfani; Gong R H; Porat I > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102482&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > A new technique of manufacturing thermoset composites using chopped fibreglass strands was investigated during this research work. This technique involved manufacturing of fibreglass nonwoven webs by the wet-laid method, these webs were then used as reinforcement for making composites. The wet-laying process allows the opening of the fibreglass strands to single fibres so that the fibres are dispersed more uniformly within the composite. The in-plane fibre orientation distribution in these nonwoven webs was random and the composites manufactured from these webs have more in-plane isotropic properties. The effect of key process variables i.e. dispersion, fibre length and multiple layering on the density, fibre content and void content of the composites was studied. It was found that layering increased the fibre content and decreased the void content. Dispersion and increase in fibre length also decreased the void content. 16 Refs. > > > > --- > > > **Title: Manufacturing and performance evaluation of polyurethane composites using one-part and two-part resin systems** > Page Range: p.333-344 > Author(s): Mohamed M; Hawkins S; Chandrashekhara K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102483&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.5 > > **Abstract** > Polyurethane (PU)-based composites show superior performance compared to polyester and vinylester composites. The demand for PU composites is increasing in high technology as well as conventional applications such as infrastructure and automobile. In this study, glass fibre reinforced composite laminates using one-part and two-part PU resin are manufactured using vacuum-assisted resin transfer moulding (VARTM) process. A new generation two-part thermoset PU resin system is investigated and compared with commercial one-part PU resin systems. The mechanical performance of glass fibre reinforced composites manufactured using two different PU resin systems is evaluated. Tensile and flexure tests are conducted on both neat resin and glass/PU composites. Low velocity impact tests are performed on both types of glass fibre reinforced PU composite specimens. Mechanical properties including strength and modulus were measured and analysed for the two resin systems. Differential scanning calorimetry (DSC) is used to study the cure behaviour of both resin systems. A Brookfield LVDV-II programmable rotational type viscometer is employed to study the viscosity profiles of the resin systems. The influence of resin properties on the overall performance of glass fibre reinforced composites is discussed. 18 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Deconsolidation and its interdependent mechanisms of fibre reinforced polypropylene Page Range: p.515-524 Author(s): Brzeski M; Mitschang P File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Deconsolidation and its interdependent mechanisms of fibre reinforced polypropylene** > Page Range: p.515-524 > Author(s): Brzeski M; Mitschang P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102569&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > > > **Abstract** > Thermoplastic composites offer the possibility of post processing by re-melting of the polymer, but this can lead to a loss of consolidation. The aim of this study is to investigate and quantify the mechanisms leading to deconsolidation. A model is introduced based on the first law of thermodynamics including the following mechanisms: decompaction of the fibre reinforcement network affected by the stored energy during compaction, void evolution due to the surface tension and the gas expansion, moisture in the polymer, and external pressure. These deconsolidation mechanisms are interdependent and have a significant effect on deconsolidation. The modelling approach predicts the deconsolidated state with good agreement to physical measurements. 31 Refs. > > > > --- > > > **Title: High performance phenolic resin based on untreated natural herbaceous lignin** > Page Range: p.525-534 > Author(s): Hajime Kimura; Keiko Ohtsuka; Akihiro Matsumoto; Takeshi Ougi; Yoshiaki Ishibashi; Kohji Yamano > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102570&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > In this study, the aim was to prepare a high performance phenolic resin based on natural lignin and to reveal its characteristics. Generally, even though natural lignin is simply added to phenolic resins, and since the reactivity of lignin with the thermal fluidity is low, modification of phenolic resin by such lignin does not proceed sufficiently. Therefore, natural herbaceous lignin which is reactive with phenolic resins was used as the natural lignin, and the preparation and properties of the phenolic resin based on herbaceous lignin were investigated. The properties of the phenolic resin modified with herbaceous lignin were determined and compared to the same phenolic resin with normal woody lignin and without any lignin. It was found that the phenolic resin modified with herbaceous lignin showed good heat resistance, mechanical properties, dimensional stability and electrical insulation properties compared with those of the phenolic resin with the woody lignin and without lignin. 19 Refs. > > > > --- > > > **Title: Optimizing the performance of natural fiber reinforced plastics composites: influence of combined optimization paths on microstructure and mechanical properties** > Page Range: p.535-544 > Author(s): Toupe J L; Desire Yomeni Chimeni; Trokourey A; Rodrigue D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102571&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > This study investigated the combination of two different optimisation paths (phase compatibilisation and manufacturing process optimisation) on the microstructure (fibre dimensions, matrix crystallinity and matrix molecular properties) and mechanical properties (flexural and tensile moduli, impact strength, and tensile stress at yield) of flax fibre/postconsumer recycled plastic composites. A two-step optimisation methodology was adopted. First, the material composition was optimised by phase compatibilisation using maleic anhydride grafted polypropylene (MAPP) and maleic anhydride grafted ethylene octene metallocene copolymer (EO-gMAH) as additives. Then, the manufacturing process (extrusion followed by injection) was optimised in terms of temperature profile and screw speed for extrusion, as well as barrel temperature profile, mould temperature, injection speed, injection pressure, injection time and back pressure for injection. The results showed that, besides good fibre-matrix interfacial adhesion, the combination of both optimisation paths promoted an optimum balance between components degradation and composite homogeneity (good fibre and additives dispersion in the matrix), leading to better mechanical properties. It is shown that this optimisation procedure was able to improve all the mechanical properties of the composites, as well as being effective in terms of performance and costs. 57 Refs. > > > > --- > > > **Title: Study on thermal stability and non-isothermal crystallization behaviour of polyethylene/clay nanocomposites** > Page Range: p.545-554 > Author(s): Fu-An He; Li-Ming Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102572&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > In this work, thermal stability and non-isothermal crystallisation behaviour of polyethylene/clay nanocomposites prepared by in-situ polymerisation were studied. The thermal degradation kinetics of polyethylene/clay nanocomposites in nitrogen was investigated by a pseudo-first order method indicating that the addition of clay filler in polyethylene matrix could improve the thermal stability of nanocomposites. The Ozawa, Avrami, and modified Avrami-Ozawa methods were applied to study the non-isothermal crystallisation behaviour of polyethylene/clay nanocomposite. It was found that the clay filler not only acted as a heterogeneous nucleation for the crystallisation of polyethylene but also hindered the transport of the polyethylene molecule chains at the same time, resulting in a decrease of the crystallisation growth rate of polyethylene with clay loading. In addition, the nucleation activity and the activation energy for the crystallisation of polyethylene/clay nanocomposites were also estimated. 39 Refs. > > > > --- > > > **Title: Effect of aluminium nitrate hydrate on the crystalline, thermal and mechanical properties of poly(vinyl alcohol) film** > Page Range: p.555-562 > Author(s): Yong Luo; Xiancai Jiang; Weiying Zhang; Xiao Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102573&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > The effect of aluminium nitrate hydrate (Al(NO3)3(.)9H2O) on the crystalline, thermal and mechanical properties of PVA was studied in this paper. The interaction between Al(NO3)3(.)9H2O and PVA was investigated by Fourier transform infrared (FT-IR) spectroscopy. The influence of Al(NO3)3(.)9H2O on the crystalline, thermal, and mechanical properties of PVA was studied by X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and tensile testing, respectively. The results indicated that Al(NO3)3(.)9H2O could form interaction with the hydroxyl group on PVA chain. The XRD studies revealed that the crystallites of PVA were destroyed by Al(NO3)3(.)9H2O. DSC studies showed that Al(NO3)3(.)9H2O could increase the flexibility of PVA chains and decrease the Tg of PVA. Tensile testing showed that after the addition of Al(NO3)3(.)9H2O the tensile strength of PVA film decreased and elongation at break increased. All these results show that Al(NO3)3(.)9H2O has a high plasticising efficiency for PVA. However, Al(NO3)3(.)9H2O is a Lewis acid and the acidic property of Al(NO3)3(.)9H2O would cause the significant decrease of the thermal stability of PVA. 23 Refs. > > > > --- > > > **Title: A correlation between reinforcing effect and antibacterial performance of carbon black and silica filled natural rubber vulcanizates containing HPQM-based neusilin** > Page Range: p.563-574 > Author(s): Chitsupree Katathikankul; Sirichai Kanking; Piyaporn Niltui; Ekachai Wimolmala; Narongrit Sombatsompop; Khokhwan Isarangkura > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102574&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > This work pursued, for the first time, a correlation between antibacterial performance and mechanical properties of natural rubber (NR) compounds reinforced with commercial fillers, i.e. precipitated silica (PSi) and carbon black (CB), using 2-hydroxypropyl-3-piperazinyl-quinoline carboxylic acid methacrylate (HPQM)-based Neusilin as an antibacterial agent against Escherichia coli (E. coli) ATCC 25922 and Staphylococcus aureus (S. aureus) ATCC 25923. Antibacterial efficacy was determined by the inhibition zone from a halo test and by the percentage reduction of bacteria using the plate count agar (PCA) method. The results suggested that the optimum loadings of PSi and CB in NR compounds were 20 and 40 phr, respectively. HPQM-based Neusilin could be used simultaneously as a co-activator and antibacterial agent in the NR compounds. The overall mechanical properties of the NR vulcanisates were not affected by the addition of HPQM-based Neusilin, which was more effective for killing E. coli. It could be concluded that the antibacterial efficacy was conversely associated with the reinforcement level of the NR vulcanisates by the PSi and CB fillers: the higher the reinforcement level, the poorer the antibacterial efficacy. At the optimum loadings of PSi and CB fillers, the antibacterial efficacy of PSi-filled vulcanisates was better than that of CB-filled vulcanisates. 26 Refs. > > > > --- > > > **Title: Synthesis and characterization of poly(amideimide)s from AB monomers by direct polycondensation using triphenyl phosphite** > Page Range: p.575-582 > Author(s): Rajasekar S; Venkatesan D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102575&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > Poly(amideimide)s were prepared by the reaction of two new AB monomers, N-(4-aminophenyl)-4-(p-carboxyphenoxy) phthalimide and N-(3-aminophenyl)-4-(p-carboxyphenoxy)phthalimide. The monomers were synthesised by nucleophilic displacement reaction of the corresponding nitrophthalimides with p-hydroxybenzoic acid. The monomers were characterised by IR and NMR. Poly(amideimide)s were prepared from AB monomers by direct polycondensation using triphenyl phosphite. The polymers obtained had high inherent viscosities. The polymers showed high solubility in polar aprotic solvents. The polymers showed good thermal stability and had high glass transition temperatures. X-ray diffraction pattern of the polymers indicate amorphous nature of these polymers. 26 Refs. > > > > --- > > > **Title: Fatigue, resilience, hardness, and swelling behaviour of natural rubber/recycled acrylonitrile-butadiene rubber (NR/NBRr) blends** > Page Range: p.583-588 > Author(s): Hanafi Ismail; Hazwani Syaza Ahmad; Rashid A A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102576&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.8 > > **Abstract** > In the present study, the fatigue, resilience, hardness, and swelling behaviour of natural rubber and recycled acrylonitrile-butadiene rubber (NR/NBRr) blends were studied in the concentration range from 5 to 35 phr of recycled NBR. NBR gloves have excellent resistance to punctures, tear and many types of chemicals, while NR has good physical and mechanical properties. Blending NBRr into the rubber blends improved the processability, stiffness and resilience and conferred excellent oil resistance. The fatigue life of NR/NBRr blends decreased as the NBRr content increased, due to the incompatibility and poor dispersion of NBRr in the NR matrix. However, increasing NBRr content gave NR/NBRr blends better resistance towards swelling and hardness. Both properties increased due to the improvement in crosslink density when more NBRr was added, but the resilience properties exhibited an opposite trend. Scanning electron microscopy study indicated that the recycled NBR shows a coarser and poor dispersion in NR matrix particularly when more NBRr content was used, which leads to lower fatigue life of the NR/NBRr blends. 20 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-9/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Full-field measurement at the weave scale in hemp/epoxy composite using digital image correlation Page Range: p.589-600 Author(s): Perrier A; de Vasconcellos D S; Touchard F;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc23-9/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Full-field measurement at the weave scale in hemp/epoxy composite using digital image correlation** > Page Range: p.589-600 > Author(s): Perrier A; de Vasconcellos D S; Touchard F; Chocinski-Arnault L; Mellier D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102585&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > > > **Abstract** > This paper presents the strain field analysis of a woven hemp composite. Two different stacking sequences were tested: [0/90]7 and [plus/minus 45]7. Tensile tests were coupled with a digital image correlation method in order to measure in-plane longitudinal, transverse and shear strain fields. Strong heterogeneities were observed in both stacking sequences. The obtained spatial resolution was fine enough to allow the comparison of maximum and minimum deformation areas in strain fields with the corresponding weave architecture. It was observed that strain levels were directly linked with strand positions. Results gave, for the studied woven hemp composite, a complete analysis of the local deformation mechanisms. 26 Refs. > > > > --- > > > **Title: In situ polymerisation of pyrrole within the lattices of mesoporous hexagonal silica systems** > Page Range: p.601-608 > Author(s): Feraille G; Foot P J S; Singer R J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102586&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > This study concerns the preparation and characterisation of electrically conducting polypyrrole-silica (PPySi) composites. Pyrrole monomers were adsorbed in nanoporous MCM-41 silicas exhibiting a hexagonal (H1) geometry, some of which had been functionalised using aminopropyltriethoxysilane (APS), and chlorotrimethylsilane (TMS). Composites were then produced through oxidative polymerisation and doping with anions, mainly sodium sulphonates (methylbenzenesulphate (MBSA), dodecylbenzenesulphonate (DBSA) and diethylhexylsulphosuccinate (DEHS)). An attempt to produce similar composites via direct threading of "soluble" polypyrrole was also investigated in order to study the effect of confined geometries on the growth and properties of polypyrrole chains. The final composites exhibited semiconducting properties (aaup to 10-3S. cm-1), and improved thermal and environmental stabilities, making them suitable for applications such as sensors and antistatic agents. 20 Refs. > > > > --- > > > **Title: Tri-block copolymer based on crystallizable amide segments and functionalized polystyrene** > Page Range: p.609-620 > Author(s): Vakees E; Suresh J; Kayalvizhi M; Karthik S; Arun A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102587&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > This article discusses the synthesis and characterisation of segmented tri-block copolymers using monofunctional hard segments (mHS) and difunctional polystyrene soft segments. The main goal of this work was to modify high Tg polystyrene to semicrystalline material, thereby increasing the solvent resistance. Three hard segments were used. The soft segment molar mass was varied from 2500 to 10000 g/mol using dimethyl terephthalate (DMT) as a chain extender. The viscosity of the copolymer linearly increased with respect to the molecular weight of the SS. The crystallisation behaviour of the copolymer was studied by DSC and FT-IR. The TGA results revealed that all copolymers had single-stage decomposition centred around 427 deg C, and the solvent resistance of these materials was very high even at a low amide content. All the copolymers showed low water absorption. 23 Refs. > > > > --- > > > **Title: Preparation and characterization of an aromatic imidefunctionalized polysilsesquioxane via the sol-gel route** > Page Range: p.621-626 > Author(s): Schramm C; Rinderer B; Tessadri R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102588&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > Phthalic acid (benzene-1,2-dicarboxylic acid, PA) and trimesic acid (benzene-1,3,5-tricarboxylic acid, TA) have been reacted with 3-aminopropyltriethoxysilane (APTES) at 110 deg C and 220 deg C (molar ratios 1:1 and 1:2). The reaction at 110 deg C resulted in the formation of the corresponding poly(amic acid), whereas the thermal imidisation at 220 deg C gives rise to the formation of a cyclic polyimide moiety as shown by means of Fourier transform infrared spectroscopy (FT-IR). X-ray powder diffraction (XRPD) measurements revealed that a specific periodic arrangement in the as-prepared materials had been formed. Thermogravimetric analysis (TGA) made evident that the organic-inorganic nanocomposite materials showed improved thermal properties. The reaction of PA with APTES (1:1) at 220 deg C is assumed to yield a ladder-like polysilsesquioxane. 25 Refs. > > > > --- > > > **Title: Design of a flat plate specimen suitable for biaxial tensile tests on polymer materials** > Page Range: p.627-638 > Author(s): Nayeem Tawqir Chowdhury; Wang J; Wing Kong Chiu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102589&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > Since the introduction of fibre-reinforced polymer composites there has been a surge in the use of adhesives for joints and repairs, and polymer resins as the matrix material for fibre-reinforced composites. The failure mechanisms of these materials have been studied by many researchers; however, there is little accurate experimental data under tension-tension loading published. This is due to the lack of a standard specimen design to perform these tests. The authors propose a flat plate specimen design that has been shown to overcome some of the difficulties presented in literature. A series of tests with this specimen configuration were conducted under varying biaxial loading conditions. The results are plotted in the tension-tension quadrant of the materials failure envelope. For the two polymer materials tested; a linear truncation within the first quadrant of the failure envelope was found. 20 Refs. > > > > --- > > > **Title: Non-isothermal moulding of composite products with impregnation of the porous layer** > Page Range: p.639-646 > Author(s): Baranov A V > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102590&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > The non-isothermal filling of a flat mould cavity by a Newtonian fluid with simultaneous two-dimensional impregnation of the porous (reinforcing) layer is investigated. The flow in the cavity is described by inertialess Navier-Stokes equations, the flow in the porous layer by Darcy's law, and the flow in the region adjacent to the 'liquid-porous layer' boundary by the Brinkman equation. Viscosity is considered to be temperature dependent. The temperature fields in the channel region and in the permeable layer are interrelated by conjugate boundary conditions of the fourth kind. 23 Refs. > > > > --- > > > **Title: Fabrication and application of low-pressure wax injection rapid toolings** > Page Range: p.647-652 > Author(s): Chil-Chyuan Kuo; Ren-Lung Tsai > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102591&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > This paper proposes a method to produce silicone rubber moulds for low-pressure wax injection moulding. Wax spilling is one of the most troublesome problems during the wax injection moulding process. From the point of view of green manufacturing, the optimal processing conditions in the wax injection moulding process were investigated using the Taguchi method. The experimental results revealed that the most influential factor affecting the weight of spilled wax is the injection time. The optimal processing conditions in the wax injection moulding process are an injection temperature of 82 deg C, an injection time of 2 s, an injection pressure of 0.6 kgf/ cm2 and a mould temperature of 60 deg C. 21 Refs. > > > > --- > > > **Title: Utilization of chicken eggshell waste as a bio-filler for thermoplastic polymers: thermal and mechanical characterization of polypropylene filled with naturally derived CaCO3** > Page Range: p.653-662 > Author(s): Arabi Hassen A; Melike Dizbay-Onat; Dhruv Bansal; Bayush T; Uday Vaidya > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102592&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > The processing and characterisation of polypropylene/eggshell composites was the main objective of this study. Natural source-derived calcium carbonate (CaCO3) was extracted from waste chicken eggshell and compounded with polypropylene polymer. The compound was moulded using the Extrusion Compression Moulding (ECM) process. X-ray diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR) analysis were conducted on the eggshell to characterise its constituents. The effects of filler loading, 30 wt.% eggshell and 30 wt.% eggshell with 5 wt.% of maleic anhydride grafted polypropylene (MAPP) on the mechanical and thermal properties were studied. The addition of a small amount of MAPP during melt extrusion improved the dispersion and bonding of CaCO3 particles in polypropylene. 7.49% decrease in tensile strength, 35.51% enhancement in flexural modulus and 66.05% increase in notched Izod impact energy were obtained by adding 30 wt.% eggshell with 5 wt.% MAPP to polypropylene. Adding 30-wt % of eggshell filler and 5 wt.% MAPP to polypropylene delayed the flame propagation time by 99 seconds. 21 Refs. > > > > --- > > > **Title: A comparison of MAPE and PEG effects on the mechanical characteristics of wheat straw/LDPE biocomposites for packaging application** > Page Range: p.663-668 > Author(s): Behjat Tajeddin > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102593&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 23 > Issue No: No.9 > > **Abstract** > A viable solution for replacing petroleum-based materials is to combine petroleum and bioresources materials to produce biocomposites having the requisite properties for packaging applications. Although biocomposites have many applications in different purposes such as building construction and aircraft industries, their applications in the packaging engineering are still novel. Therefore, in this study, a biocomposite consisting of low-density polyethylene (LDPE), wheat straw (WS) and the compatibilisers Maleic Anhydride Polyethylene (MAPE) and Polyethylene Glycol (PEG) with molecular weights of 400 and 600, was produced based on the requirements of the packaging industry. By performing different mechanical tests such as tensile, flexure and impact, the effects of the compatibilising agents was determined. The ratios of the matrix to the filling phase applied to the compound were 70/30, 60/40, 50/50, and 40/60, and the compatibilisers were used at the levels of 0, 7, and 10% respectively. The MAPE compatibiliser improved the tensile properties. The compatibiliser type had no effect on the impact strength properties of the biocomposites. The flexural strength of all compounds was higher than that of the control. 24 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Effect of filler on the mechanical and dynamic properties of impact energy-absorbing materials Page Range: p.1-6 Author(s): Frank M; Drdlova M; Vladan Prachar; Rybova V;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Effect of filler on the mechanical and dynamic properties of impact energy-absorbing materials** > Page Range: p.1-6 > Author(s): Frank M; Drdlova M; Vladan Prachar; Rybova V; Jaroslav Buchar > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102641&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > > > **Abstract** > Energy-absorbing materials represent an important group of products in the field of increasing the safety of citizens. Research and development including physical properties testing leads to improvement of these materials and protective constructions. Two types of fillers were chosen for testing: macro and microfillers, together with a two-component polyurethane binder. Different recipes of energy absorbing materials were tested and the resulting physico-mechanical properties, namely bulk density and flexural, compressive and impact strength, are listed in this article. Deformation curves were recorded during pressure loading of materials with macrofillers incorporated. Based on these curves, the rate and mode of energy absorption can be predicted. Most samples underwent the Split-Hopkinson pressure bar test which was the crucial method for the determination of impact energy absorption. 7 Refs. > > > > --- > > > **Title: Effect of fiber volume fraction in fiber reinforcement compaction in resin injection pultrusion process** > Page Range: p.7-20 > Author(s): Shakya N S; Roux J A; Jeswani A L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102642&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > In the resin injection pultrusion process (RIP), the liquid resin is injected into the continuously pulled fibres through the injection slots to cause complete wetout of the fibres. As the resin penetrates through the fibres, the resin also pushes the fibres away from the wall causing compaction of the fibre reinforcements. When the fibres are squeezed together due to compaction, the resin penetration becomes more difficult; thus a resin injection pressure below a certain pressure cannot effectively penetrate through the fibres and achieve complete wetout. However, if the resin injection pressure is too high, the fibres are squeezed together to such an extent that the fibre becomes essentially impenetrable by the liquid resin. The harder it is to penetrate through the fibres, greater is the tendency of the fibres to be pushed away from the wall and cause compaction and affect wetout. In this study, the effect of fibre volume fraction on the fibre reinforcement compaction and the complete wetout is presented. 14 Refs. > > > > --- > > > **Title: Effects of fluorinated silane coupling agent on properties of microcapsules for self-healing materials** > Page Range: p.21-26 > Author(s): Xiulan Cai; Datian Fu; Ailan Qu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102643&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > Urea-formaldehyde (UF) microcapsules used as self-healing materials were facilely prepared by a sonication technique using epoxy resin (E-51) and UF resin as core and shell materials, respectively. Fluorinated silane coupling agent (KBM-7803) was used to modify the surface of the UF microcapsules. The as-prepared microcapsules were investigated by Fourier transform infrared spectroscopy, which indicated the formation of UF polymer with successful encapsulation of the core materials in UF shell and effective absorption of KBM7803 on the surface of the microcapsules. Analysis of the mechanical properties revealed that the modification using KBM-7803 improved the tensile properties and decreased the elasticity of the microcapsules. The results of scanning electron microscopy illustrated that KBM-7803 modified microcapsules had thin shells, indicating that the microcapsules were capable of being ruptured easily which resulted in the effective release of the curing agent into the crack planes to form a polymer that bonded the crack faces and restored the structural continuity of the composite, leading to effective self-healing. 12 Refs. > > > > --- > > > **Title: Organo-montmorillonite modified bismaleimide as matrix in carbon fibre-reinforced composites** > Page Range: p.27-34 > Author(s): Wei Li; Bao Quan Zhou; Huan Wei Zhao; Ming Yu Wang; Rong Ren > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102644&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > Two types of organo-montmorillonite (OMMT) modified bismaleimide (BMI) nanocomposites based on 4,4'-bismaleimide diphenyl methane (BDM) and O,O'-diallyl bisphenol A (DBA) have been synthesised. A compression moulding process was used to fabricate carbon fibre-reinforced OMMT/BMI multiscale composites. X-ray diffractometry (XRD) and transmission electron microscopy (TEM) indicated that the silicate layers of OMMT were partially exfoliated and dispersed uniformly in the nanocomposites. The study showed that the interlaminar shear strength (ILSS) and flexural properties of the carbon fibre composites were improved by the incorporation of OMMT. The maximum increment of the ILSS, flexural strength and elastic modulus of carbon fibre composites were 19.09%, 38.26% and 26.97%, respectively. Scanning electron microscope (SEM) photographs revealed that the destruction modes of carbon fibre composites were also changed after the OMMT was introduced into the composites system. 21 Refs. > > > > --- > > > **Title: Mechanical behaviour of sorghum stalk rind reinforced maleic anhydride grafted polyethylene under different environmental conditions** > Page Range: p.35-44 > Author(s): Bahi Bakeer; Iman Taha; Hamed El-Mously > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102645&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > This work investigates the mechanical and service behaviour of high-density polyethylene composites reinforced by sorghum stalk rind (SSR) at various concentrations of fibres and maleic anhydride treated polyethylene (MAPE). Fibre length l and aspect ratio l/w distributions of compounded fibre composites show large numbers of smaller particles. Tensile and bending properties were investigated, taking the effects of some service conditions into consideration, such as water absorption and UV exposure. Untreated polyethylene reinforced with 40 wt.% SSR showed a maximum water uptake of 6.9 wt.%. Generally, reductions in strength and modulus were observed upon immersion in water. In contrast, UV radiation did not show any significant effect on mechanical properties at exposure times of up to 300 h. 21 Refs. > > > > --- > > > **Title: Modeling of bond of sand-coated deformed glass fibre-reinforced polymer rebars in concrete** > Page Range: p.45-56 > Author(s): Weichen Xue; Yu Yang; Qiaowen Zheng; Zhiqing Fang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102646&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > In this paper, 30 beam tests, 48 Losberg pullout tests and 6 standard pullout tests were conducted to investigate bond-slip response of sand-coated deformed glass fibre-reinforced polymer (GFRP) rebars in concrete. The specimen parameters varied were concrete strength, embedment length, bar diameter and test method. Two failure modes including pullout failure and splitting failure were observed. The experimental bond stress-slip (((s) curves of sand-coated deformed GFRP rebars in concrete in pullout failure included a micro-slippage branch, a slippage branch, a descending branch and a residual branch, while the bbs curves in splitting failure included a micro-slippage branch and a slippage branch. Based on the tests, a new bond-slip constitutive model for sand-coated deformed GFRP rebars in concrete was presented. Compared with other available models, the model proposed in this paper can provide more reliable simulations of the test results. 27 Refs. > > > > --- > > > **Title: Electromagnetic interference shielding effectiveness and electrical conductivity of Ni coated PCABS/PPS composites with reinforcement of carbon fibre** > Page Range: p.57-64 > Author(s): Sunitha J N; Rajesh C S; Rai S K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102647&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > In this study, the EMI shielding effectiveness and electrical conductivity of nickel-coated Polycarbonate Acrylonitrile-butadiene-styrene (PCABS)/Polyphenylene Sulphide (PPS) graphitic composites with reinforcement by carbon fibre were investigated. Pulverised PCABS and PPS powder particles were coated with nickel using the electroless deposition technique. Electron microscopy evidenced the uniform nickel deposition on PCABS and PPS powder particles. The conductive composites were prepared with various amounts of nickel-coated PCABS/ PPS, carbon fibre (CF) and graphite in order to increase the electrical conductivity of the matrix. Composites were found to have excellent electrical conductivities of 12 S/cm and 19 S/cm, and electromagnetic interference (EMI) shielding effectiveness of 79 dB and 87 dB respectively. Tensile strengths at break were decreased by filler addition, and both tensile and flexural moduli were increased. The resulting conductive composites could be used in applications where metals have typically been the materials of choice. 41 Refs. > > > > --- > > > **Title: Effect of process variables on the tensile properties of fibreglass nonwoven composites** > Page Range: p.65-70 > Author(s): Sheraz Hussain Siddique Yousfani; Gong R H; Porat I > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102648&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > Fibreglass nonwoven composites are a new class of fibre-reinforced composites, and in this work composite samples were manufactured by using nonwoven webs as reinforcement and thermo-setting resin as matrix. The samples were prepared by using a resin infusion technique, and the nonwoven webs were manufactured by a wet-laying method. In this research work, the main purpose was to investigate the effects of different process variables, i.e. dispersion, fibre length and multiple layering, on the tensile properties of these composites. It was found that the tensile strength was improved by better dispersion of fibre strands. Tensile strength and stiffness of the composite samples were also improved by an increase in fibre length and by multiple layering. 14 Refs. > > > > --- > > > **Title: PMMA denture base composites reinforced by nitrile rubber and ceramic fillers** > Page Range: p.71-80 > Author(s): Alhareb A O; Hazizan Akil; Zainal Arafin Ahmad > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102649&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.1 > > **Abstract** > Poly(methyl methacrylate) (PMMA) denture base composites were fabricated by incorporating nitrile butadiene rubber (NBR) particles and ceramic fillers (Al2O3, YSZ, and SiO2). PMMA powder was mixed with liquid methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDMA) as crosslinking agents. The different types of ceramic fillers were fixed at 5 wt.% and NBR particles in proportions of 5, 7.5 and 10 wt.%, respectively, mixed with PMMA. The impact strength (IS) increased and the fracture toughness (KIC) decreased with the increase of NBR content in PMMA matrix. The composites with Al2O3 showed better IS and KIC when compared to YSZ and SiO2 particles. It has been demonstrated that the combination of 10 wt.% NBR/5 wt.% Al2O3 produced the optimum density (1.049 g/cm3), IS (7.41 KJ/m2), KIC (2.45 MPa.m1/2) and statistically the values was significantly increased (p < 0.05). 44 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: The low velocity impact response of nano modified composites manufactured using automated dry fibre placement Page Range: p.233-240 Author(s): Umer R; Rao S; Zhou J;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: The low velocity impact response of nano modified composites manufactured using automated dry fibre placement** > Page Range: p.233-240 > Author(s): Umer R; Rao S; Zhou J; Guan Z; Cantwell W J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102698&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > > > **Abstract** > The low velocity impact response of composite materials manufactured from dry fibre tows using the automated fibre placement technique has been investigated. Following fibre placement, the dry preforms were infused with an epoxy resin. The influence of incorporating graphene oxide (GO) nanoparticles into the matrix was investigated, and the impact response of these samples was compared to that of its plain resin counterpart. Flexural and low velocity impact tests were undertaken in this study to understand the influence of GO nano-filler loading on mechanical behaviour of the unreinforced epoxy resin. The introduction of GO into the resin showed nearly 50% increase in ductility compared with that of the neat polymer at a mere 0.1 wt% filler loading. However, GO had a negligible effect on the impact response of these novel composites. There was no observable difference between the load-displacement traces or the resulting damage in the plain and unmodified composites. It is possible that the polymer's ability to undergo larger non-linear deformation at lower rates of strain is suppressed when it is subjected to impact rates of loading. 18 Refs. > > > > --- > > > **Title: Thermal conductivities of 2.5 dimensional woven composites** > Page Range: p.241-248 > Author(s): Leilei Song; Wei Geng; Yufen Zhao; Xiaoming Chen; Jialu Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102699&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > The thermal conductivities of 2.5 dimensional (2.5D) woven composites were measured by using transient hot-wire method (THWM) in this study. The results showed that the THWM could also be used to measure the thermal conductivity of 2.5D woven composites, which were considered to be homogeneous materials. Heat diffusion models of the samples were simulated. The thermal conductivities of 2.5 dimensional woven composites increased with the warp fibre volume fraction when the hot wire was perpendicular to the warp direction. It was important that the thermal conductivity of 2.5 dimensional woven composites was found to be affected by the yarn size. Thermal conductivities also increased with the effective yarn size. Finally, thermal conductivities of 2.5 dimensional woven composites increased with the temperature from 288.15K to 298.15K, although the enhancement was not great. These conclusions indicated that the thermal conductivity of 2.5 dimensional woven composites was affected by the internal structure and the external environment. 39 Refs. > > > > --- > > > **Title: A novel approach for fabricating poly-l-lactide materials by onestep bulk polymerization** > Page Range: p.249-254 > Author(s): Zhiyuan Peng; Zhiping Li; Fan Zhang; Xiaochun Peng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102700&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > Poly-L-lactide (PLLA) is one of the most significant members of a group of bioabsorbable polymers. A new approach for fabricating PLLA material was investigated by one-step bulk polymerisation. The focus of this paper was on the effect of reaction temperature and reaction time on the weight-average molar mass, the polydispersity index (PDI), and the flexural strength and modulus. Gel permeation chromatography (GPC), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR) and mechanical properties measurements were used to characterise the products. It was found that the optimal reaction conditions were at 140 degC for 24 h, under which the highest (5.02 x 105 Da) and the lowest PDI (1.16) were reached. In addition this material had the highest flexural strength and modulus, 74.58 plus/minus 2.35 MPa and 1.62 plus/minus 0.14 GPa, respectively. 19 Refs. > > > > --- > > > **Title: A study of the friction coefficients of unidirectional and woven carbon fibre/epoxy composites** > Page Range: p.255-264 > Author(s): Cheng B; Kortschot M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102701&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > The friction coefficients of unidirectional carbon fibre/epoxy composites (with the fibres parallel and antiparallel to the sliding direction) were measured under severe abrasive conditions. Aluminium oxide sandpapers with three different grits (36, 80, and 120) were used as the counter surfaces. Three different applied loads (5, 10, 22N) and two different sliding speeds (2 m/s, 4 m/s) were selected as the testing parameters. Under these conditions, composites with fibres parallel to the sliding direction had a significantly lower friction coefficient. Using the measured friction coefficients of unidirectional composites, a modified rule of mixtures equation was developed to predict the friction coefficients of woven carbon fibre/epoxy composites under the conditions. The model is based on the hypothesis that the more wear resistant regions of the weave (fibres that are parallel to the sliding direction in this case) would protect the less wear resistant regions (fibres that are antiparallel to the sliding direction), and that the load is redistributed to yield equal wear rates for the two zones. It was found that the model was able to accurately predict the friction coefficients of the woven composites for the abrasive conditions tested in this study. 17 Refs. > > > > --- > > > **Title: A study of bubble electrospinning of ethylcellulose ultrafine fibres** > Page Range: p.265-272 > Author(s): Ketankumar Vadodaria; Stylios G > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102702&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > Bubble electrospinning (BE) is a recently-invented simple needleless concept to produce nanofibres. The bubble electrospinning method is not yet well established and there is a need to study the effects of different parameters on the fibre morphology. In the present work, ethylcellulose (EC) was successfully electrospun from 15% EC solution in toluene:ethanol (60:40) by bubble electrospinning. The effects of different parameters such as solution surface to collector distance and applied voltage on the morphology of bubble electrospun EC nanofibres were studied and are discussed below. Bubble electrospun EC fibres showed an increase in diameter as the distance between solution surface and collector increased. However, when the applied voltage was increased, the EC fibre diameter was initially reduced but then increased. The results are discussed in detail in the paper. FTIR analysis of EC powder, solution and fibres were also studied. 47 Refs. > > > > --- > > > **Title: Electrical conductivity studies of conducting polymer nanocomposites in ambient conditions** > Page Range: p.273-280 > Author(s): Shahid Pervez Ansari; Faiz Mohammad > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102703&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > Nanocomposites of conducting polymer (polyaniline, PANI) nanoparticles with zinc oxide (ZnO) nanoparticles as inorganic filler and cellulose acetate (CA) as supporting matrix were prepared by a solution-casting method using N-methyl-2-pyrrolidone (NMP) as solvent. The nanocomposites were studied for their DC electrical conductivity and stability in terms of electrical conductivity retention by isothermal accelerated ageing and cyclic accelerated ageing techniques using a four-in-line probe instrument. The nanocomposites were also characterised by FTIR, SEM, TEM, TGA and XRD. All the nanocomposite formulations followed an Arrheniustype temperature dependence of electrical conductivity, which supported a semiconducting nature for their HCl doped state. The electrical conductivity of the as-prepared HCl doped nanocomposites was also found to be in the semiconducting region. The studied nanocomposite formulations showed good stability towards retention of their electrical conductivity up to 90 deg C. X-ray diffractometry (XRD) data suggested the uniform incorporation of zinc oxide nanoparticles in the polymer matrix. 23 Refs. > > > > --- > > > **Title: Numerical solution of penetration into woven fabric target impregnated with shear thickening fluid** > Page Range: p.281-288 > Author(s): Naser Kordani; Ali Sadough Vanini; Hosein Amiri > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102704&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > In this paper, yarn pull-out testing was performed to estimate the pulling-out force and the friction coefficient. Fabrics were impregnated with Shear Thickening Fluid (STF) of two types. Single fibre tensile tests were performed to determine the resistance of each fibre. The speed of pulling out was 500 mm/min and the samples were placed horizontally in a tensile device. The results indicated that the fabric impregnated in STF needed more force in order to get out of the fabric. Friction coefficients of three fabric types of raw fabric, fabric with dissolved fluid and fabric with STF were entered into an explicit dynamics finite element model along with the mechanical characteristic of a yarn. Ballistic range velocity was extracted for samples by the software and was compared with experimental results. The effects of the shear thickening fluid (STF) were considered as frictional effects. 21 Refs. > > > > --- > > > **Title: Recent advanced technologies in the processing of hybrid reinforced polymers for applications of membranes** > Page Range: p.289-306 > Author(s): Savita Dixit; Sandhya Pal > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102705&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.4 > > **Abstract** > This review presents a comprehensive introduction to recent advances in the field of blends of the natural and synthetic polymers as new material for biodegradable membranes. These materials and several blends have attracted industrial attention because they exhibit improvements in properties which are required in membrane technology. In the current review, the structure, preparation coating method and properties of the blends of natural and man-made polymer are discussed. We focus on the applications of blend materials for membrane technology like fuel cells, membrane electrolytes and ultrafiltration membranes for water treatment. From the literature, it is found that the most common natural polymers: collagen, chitosan, chitin, cellulose, starch and poly(lactic acid) are used as components of blends with man-made polymers. We have also studied the introduction of nano-fibrous and nano-particles to improve the mechanical properties of these membranes. 117 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Determination of reactivity ratios of copolymerization of acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) with ultraviolet initiation, and their sequence length distribution Page Range: p.307-314... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Determination of reactivity ratios of copolymerization of acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) with ultraviolet initiation, and their sequence length distribution** > Page Range: p.307-314 > Author(s): Yonghong Wang; Xinru Zhang; Wanjie Li; Jialiang Cheng; Chengcen Liu; Jiajun Zheng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102742&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > > > **Abstract** > The copolymer P(AM-DMC), one kind of cationic polyacrylamide, was synthesised by using acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) as monomers with ultraviolet initiation. The copolymer was characterised by Fourier transform infrared spectroscopy. The composition of the copolymer was determined from the chlorine content by silver nitrate titration. The effects of monomer feed ratio and conversion on the composition of copolymer were discussed. Reactivity ratios were determined by the Fineman-Ross, Kelen-Tudos and Yezrielev-Brokhina-Roskin methods, indicating that their positive order calculation results were very different with those of reverse order, when the reactivity ratios were determined by Fineman-Ross. However, their positive order and reverse order calculation results were similar when the reactivity ratios were determined by the Kelen-Tudos and Yezrielev-Brokhina-Roskin methods. Therefore, the reactivity ratios were determined using the average results of the Kelen-Tudos and Yezrielev-Brokhina-Roskin methods. The reactivity ratios of AM and DMC were 2.3398 and 0.2285, respectively. This result showed that the copolymerisation of AM and DMC was a non-ideal random copolymerisation. Furthermore, the content of AM segments decreased with the increase of AM feed content, but the content of DMC segments increased. Moreover, the sequence length distribution was irregular and narrow, because AM was prone to homopolymerisation. 27 Refs. > > > > --- > > > **Title: Anisotropic thermal characteristics of graphene-embedded polyimide composite sheets** > Page Range: p.315-322 > Author(s): Seong-Yeob Park; Jong-Seong Bae; Jin-Gyu Kim; Min-Wook Oh; Jungsoo Kim; Dae-Geun Nam; Jeong Hyun Yeum; Weontae Oh > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102743&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > Polyimide-graphene (PIG) composites were prepared, and their thermal properties were characterised as films or sheets. Graphene loadings were controlled up to 8 wt.% or 12 wt.% in their composites. The graphenes used in this work were prepared by the chemical treatment of graphite. The as-prepared polyimide-graphene composites were thermally characterised in films or sheets. The thermal conductivities of the PIG sheets were separately analysed in both in-plane and out-of-plane directions. The thermal expansion coefficients (TECs) of the PIG composites slightly changed with the amount of graphene added to the composites. The in-plane thermal conductivities were higher than the out-of-plane thermal conductivities, and the thermal conductivities of both directions proportionally increased with the graphene loadings in the PIG composites. The temperature-dependent stresses of the composite films monotonically decreased with the graphene loadings. The experimentally obtained thermal characteristics of the polyimide-graphene composites were compared and discussed on the basis of the composite morphologies. 37 Refs. > > > > --- > > > **Title: Morphology and thermal property of poly(l-lactide)/layered double hydroxides nanocomposites via melt intercalation** > Page Range: p.323-330 > Author(s): Mengqi Tang; Fei Qi; Man Chen; Yang Xu; Huan Li; Xiaolang Chen; Jun Qin; Shaoyun Guo; Ru Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102744&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > In this work, sodium dodecyl sulphate (SDS) was used to obtain organically-modified layered double hydroxide (OMgAl-LDH) by anion-exchange reaction. The PLLA/LDH nanocomposites were prepared via direct melt intercalation. The results from both XRD patterns and FTIR spectra showed that SDS entered into the layers of LDH successfully and the layer space was increased from 0.756 to 1.64 nm. For the PLLA/LDH nanocomposites, the increase of the layer space was verified by the good dispersion of LDH in the PLLA matrix from the SEM images. The rheological analysis showed that the typical Newtonian behaviour shifted to shear-thinning behaviour with the addition of LDH. In addition, DSC data illustrated that the glass transition temperature of the PLLA/LDH nanocomposites decreased and the crystallinity of PLLA increased due to the addition of LDH, which indicates that LDH acts as a heterogeneous nucleating agent and induces the crystallisation of PLLA. The modified LDH provided a better nucleating effect than the unmodified LDH. TGA results showed that OMgAl-LDH in the PLLA matrix caused earlier initial decomposition, suggesting that the presence of LDH decreased the thermal stability of the PLLA matrix. 28 Refs. > > > > --- > > > **Title: The effect of montmorillonite modification on crystallization behaviour of polypropylene/montmorillonite composites** > Page Range: p.331-340 > Author(s): Zhihong Yang; Minghu Wu; Gang Chen; Shengjuan Li; Panpan Peng; Qiaolian Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102745&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > This paper reports the preparation of organic montmorillonite (OMMT) modified by octadecylamine and polypropylene/montmorillonite (PP/MMT) composites produced by the method of melt compounding. The effect of MMT modification degree on the crystallisation behaviour of PP was emphasised by X-ray diffraction (XRD), polarising optical microscopy and differential scanning calorimetry (DSC). Interlayer d-spacings of 3.02 nm, 1.27 nm and 2.59 nm were detected for MMT modified by octadecylamine, Titivate coupling agent and commercial OMMT, respectively. The spherulite size and the crystallinity of the composite decreased and the number of spherulites increased with the interlayer spacing of OMMT. The values of t1/2 and F(T) for PP crystallisation decreased with the interlayer spacing at a given cooling rate or a given relative crystallinity degree, indicating that MMT with a larger gallery height could accelerate the crystallisation rate of PP more efficiently. Moreover, the composites containing OMMT modified by octadecylamine exhibited better mechanical properties in comparison to those incorporating OMMT modified by Titivate coupling agent and commercial OMMT, indicating that primary amine was one of the best potential surfactants for MMT modification. It was concluded that full modification of OMMT by octadecylamine was more beneficial to the crystallisation of PP and hence caused a positive effect on the mechanical properties of the composites. 42 Refs. > > > > --- > > > **Title: Processing routes for the preparation of poly(lactic acid)/cellulose-nanowhisker nanocomposites for packaging applications** > Page Range: p.341-346 > Author(s): Moran J I; Luduena L N; Vu Thanh Phuong; Cinelli P; Lazzeri A; Alvarez V A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102746&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > In this work, poly(lactic acid) (PLA)/cellulose-nanowhisker (CNW) nanocomposites were prepared by twinscrew extrusion followed by injection moulding. The CNW was dispersed in a plasticiser/compatibiliser (PL) before the melt mixing process. It was found that the PL not only improved the processability and reduced the fragility of PLA but also prevented the agglomeration of the CNW up to 12 wt.% of CNW content, obtaining well dispersed and distributed PLA/CNW nanocomposites. The prepared nanocomposites were injection moulded and their mechanical/thermal properties were evaluated. PLA/CNW nanocomposites showed better mechanical properties than those of the neat matrix but the material with the lower CNW content showed the best mechanical performance. 23 Refs. > > > > --- > > > **Title: Techno-economic feasibility study of new concept for build-up of local load specific reinforced hybrid structures** > Page Range: p.347-364 > Author(s): Holschuh R; Becker D; Mitschang P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102747&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > This article describes a new process approach, based on a combination of thermoforming and in-situ tape placement for the build-up of locally load-related, reinforced multi-material-systems based on polymer-polymer-hybrids. The process is evaluated and compared with state-of-the-art technologies. A techno-economic analysis is presented for a case study, considering the cost-efficiency throughout the complete development in a process-based and stepwise differentiation approach. Compared to other competing concepts the novel concept offers the potential for reducing the unit costs at large-scale production scenarios. 46 Refs. > > > > --- > > > **Title: Evaluation of the mechanical and radiopacity properties of poly(methyl methacrylate)/barium titanate-denture base composites** > Page Range: p.365-374 > Author(s): Elshereksi N W; Mohamed S H; Azlan Arifin; Ishak Z A M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102748&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > This study aimed to evaluate the flexural and hardness properties of poly(methyl methacrylate) (PMMA) denture base filled with barium titanate (BaTiO3). The BaTiO3 filler was treated with 3-trimethoxysilylpropyl methacrylate, which is a silane coupling agent. Curing was performed in a water bath at 78 deg C for 1.5 h. The samples were tested for tensile and flexural strength and surface hardness. The samples were also radiographed, and their optical densities were determined. Radiopacity values were compared with that of an aluminium (Al) plate with equivalent thickness. A reduction in the tensile and flexural strength of the PMMA composite was observed at high filler loadings. However, the surface hardness of the denture base composites was enhanced as a function of filler loading. The radiopacity of the PMMA/BaTiO3 composites was also improved. Adding 10 wt.% of BaTiO3 to PMMA resulted in a higher optical density (OD) (p< 0.07) compared with that of Al. 47 Refs. > > > > --- > > > **Title: Thermal and mechanical properties of compression-moulded poly(lactic acid)/gluten/clays bio(nano)composites** > Page Range: p.375-386 > Author(s): Mohamed A A; Finkenstadt V L; Gordon S H; Alamri M S; Shahzad Hussain > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102749&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.5 > > **Abstract** > Bio(nano)composites comprising agricultural-based polymers blended with biodegradable plant-based fillers and clays were produced to develop novel hydrophobic, yet biodegradable materials that have properties comparable to those of petroleum-based plastics. Poly(lactic acid) (PLA), vital wheat gluten (VG), and 3, 6, and 9% clays (NC1 or NC2) were mixed in a Haake Rheocord torque rheometer at 170 deg C for 10 min. Blends were compression-moulded and tested using modulated DSC (MDSC), thermogravimetric analysis (TGA), Instron, FTIR and HPLC. The DSC profile of neat PLA exhibited a glass transition (Tg) and exothermic (Cry) followed by endothermic (Mel) transitions. The profile showed a Tg of 0.46 J/g/ deg C, Cry with 29.6 J/g, whereas Mel exhibited 28.3 J/g. Vital wheat gluten displayed a single Tg (0.45 J/g/ deg C). Enthalpic relaxation of PLA was noted in the presence of clays, where the overall DSC profiles of PLA were different, especially during melting. The hydrophobic nature of NC1 clay created shoulders during PLA melting. The degradation kinetics of the blends followed a multistep mechanism, as shown by the TGA data. The tensile strength dropped because of processing and due to the addition of clay, whereas elongation was reduced by the presence of NC1. Higher Young's modulus value due to NC1 or NC2 indicated stiffer bio(nano)composites. Better biodegradability was indicated after proteinase-K enzyme treatment in the presence of NC1. Due to the hydrophobic nature of NC1, the amount of the acetic acid-extractable protein was reduced. FTIR analysis showed no evidence of chemical reaction between PLA, gluten and the clays, but suggested the occurrence of significant non-covalent intermolecular interactions. 18 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-9/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Microcrystalline cellulose from oil palm empty fruit bunches as filler in polylactic acid Page Range: p.675-680 Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc24-9/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Microcrystalline cellulose from oil palm empty fruit bunches as filler in polylactic acid** > Page Range: p.675-680 > Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi; Zainoha Zakaria; Marliana M M; Syakir M I; Nurul Fazita M R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102844&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > > > **Abstract** > Acid hydrolysis method was used to isolate microcrystalline cellulose (MCC) from oil palm empty fruit bunches (OPEFB) total chlorine free bleached pulp. The derived MCC was incorporated into polylactic acid (PLA) using solution casting technique in order to produce PLA/MCC composites. The chemical structure of the cellulose fragments remains unaltered as demonstrated by Fourier transform infrared spectroscopy despite acid hydrolysis. X-ray diffraction showed that the MCC has a cellulose I polymorph with 87% crystallinity index. The addition of MCC into PLA enhanced not only the thermal stability but also the Young's modulus of the PLA/MCC composites by approximately 30% at 5 phr MCC contents compared to pure PLA. However a decrease in tensile strength and elongation at break of the PLA/MCC composites were observed due to the poor dispersion of MCC in the PLA matrix. 30 Refs. > > > > --- > > > **Title: A urethane block copolymer as binder for fire-resist palm-based fibreboard** > Page Range: p.681-686 > Author(s): Amamer Redwan; Khairiah Haji Badri; Azizah Baharum > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102845&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The mechanical properties and fire resistance of medium-density fibreboard (MDF) consisting of empty fruit bunch fibre (EFB) and palm-based pre-polyurethane (pPU) as the green binder were investigated. The EFB was in the size range of 300 to 500 (mu)m with ATH varied at 5, 10, and 15%w/w of the total mass of the resin and was added into the pPU matrix at a ratio of 65:35 of the EFB to pPU. This study discovered the significant of mixing sequence to the strength enhancement of the fibreboard. A direct proportionality was noted between the Shore D hardness and the amount of ATH with an increase up to 17% with increasing ATH content. Furthermore, this is contributed to well-disperse ATH in the pPU matrix which also increased the impact and flexural strengths. An increase in impact strength of 13, 20 and 33%, with increasing ATH loading percentage was observed. The maximum increase in flexural strength was 33%, which was associated to ATH content of 15%. On the other hand, the burning rate decreased from 6.0 to 3.2 mm(.)s-1 with increasing ATH content. 32 Refs. > > > > --- > > > **Title: Ionic imprinting polymers using diallylaminomethyl-calix[4] resorcinarene host for the recognition of Pb (II) ions** > Page Range: p.687-694 > Author(s): Nor Nadiah Mohamad Yusof; Takaomi Kobayashi; Yasuaki Kikuchi > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102846&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > A novel ion-imprinted microspheres of copolymerised diallylaminomethyl-calix [4] resorcinarene and divinylbenzene were prepared through precipitation polymerisation. These microspheres were used for the adsorption experiments of Pb (II) ions mixture solution containing Pb (II), Ni (II) and Cu (II). The selective complexion towards Pb (II) ions was examined. The adsorption was conducted in batches by investigating the effects of pH and initial concentration of a heavy metal solution. The adsorption of Pb (II) metal ions on the adsorbents had the optimum pH rating in region of 6. For single ion system, the imprinted polymer showed that the adsorption capacity of Pb (II) metal ions was 64 mg/g, while for Cu (II and Ni (II) were 24 mg/g and 8 mg/g, respectively. Competitive extraction experiments in the presence of Cu (II) and Ni (II) ions were also carried out and high selectivity of the imprinted polymer adsorbents towards Pb (II) over Cu (II) and Ni (II) was found. In ternary mixture of heavy metal ions, the imprinted polymer showed effective adsorption to Pb (II) obeying Langmuir isotherm. The outstanding adsorption abilities for Pb (II) metal ion have exhibited good prospects for disposal application of polluted water and environmental protection. 29 Refs. > > > > --- > > > **Title: Preparation of colloidal properties and water dispersible conductive polypyrrole nanocomposite of nanocrystalline cellulose** > Page Range: p.695-702 > Author(s): Al-Dulaimi A A; Wanrosli W D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102847&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The development of conductive polypyrrole (PPY) processability was successfully achieved by a synthesis of colloidal form with high dispersion stability in aqueous medium. In-situ polymerisation method of pyrrole monomers (PY) assisted by aqueous suspension nanocrystalline cellulose (NCC) and the oxidising agent ammonium persulphate (APS). Facial and fast technique consisted of deposition of PY monomers on the NCC surface via electrostatic attractions between the sulphate groups in NCC surface and the amine group of the PY. Steric hindrance feature of NCC suspension significantly influences the colloid production. The nanocomposite of PPY and NCC (PPY-NCC), purified by centrifuge repeatedly and desiccated by freeze-dry technique. The observations of scanning electron microscopy (SEM) and transmission electron microscopy (TEM), clearly shows the nanostructure modification for nanocomposite and the NCC particles after the composition. The PPY-NCC nanocomposite have very good dispersion stability in aqueous media. The variation between PPY and PPY-NCC in the crystallinity and thermal stability was studied by thermogravimetric analysis (TGA) and x-ray diffraction (XRD) respectively. 43 Refs. > > > > --- > > > **Title: Synthesis of carbazole based co-polymers containing thienothiophene and benzothiadiazole units in a direct arylation scheme** > Page Range: p.703-710 > Author(s): Mohd Sani Sarjadi; Ahmed Iraqi > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102848&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The photovoltaic effect can be used to harvest energy from sunlight, enabling a cleaner approach to generating energy. Organic photovoltaics based on polymers are an attractive replacement of expensive, high energy consuming silicon solar cells. However, the limitations of efficiency have prevented industrial application, and polymer-based solar cells remain uncompetitive. Thus, optimisation of efficiency is required before potential application of these devices. In this work, the polymers were synthesised by direct arylation, in order to investigate its suitability for application in photovoltaic cell. Morphological, spectroscopic and charge-transport measurements are used to investigate the influence of either the dithienyl or thienothiophene moieties on the structure and photophysical properties of the copolymer rationalise the solar cell characteristics. The polymers obtained were characterised using 1H-NMR, 13C-NMR, IR, UV and thermal gravimetric analysis. The absorption spectral, thermal, electrochemical and photovoltaic properties of the random copolymers were investigated. Finally, a new series of carbazole-based dithienyl or thienothiophene polymers was successfully synthesised and characterised. 30 Refs. > > > > --- > > > **Title: The role of phosphate ester as a fire retardant in the palm-based rigid polyurethane foam** > Page Range: p.711-718 > Author(s): Nor Rabbi'atul Adawiyah Norzali; Khairiah Haji Badri > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102849&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Palm-based polyurethane containing phosphate ester (PE) as fire retardant has been developed. This study was conducted to investigate the effect of PE inclusion into palm-based polyurethane (PU) system onto the mechanical and burning property of the PU. The PE was synthesised via ring-opening hydrolysis between phosphoric acid (H3PO4) and epoxy. The synthesis was conducted at 60-70 deg C with varying concentration of H3PO4 at 2.5, 5.0 and 7.5 wt.%. It was then added into the PU system at 0, 5, 10 and 15 wt.%. Density of the PU foam was in the range of 45-50 kg(.)m-3. PE increased the compression strength and modulus of the PU. The highest compression stress (1441 kPa) and modulus (7733 kPa) were discovered with the addition of 10 wt.% PE. Burning properties showed that the addition of PE has decreased the burning rate of the PU foam. PU with PE synthesised from 5.0 wt.% H3PO4 showed excellent burning properties with the lowest burning rate (0.047 cm(.)s-1) compared to control PU which was at 0.119 cm(.)s-1. 23 Refs. > > > > --- > > > **Title: Preparation of cellulose nanocrystals bio-polymer from agro-industrial wastes: separation and characterization** > Page Range: p.719-728 > Author(s): Mazlita Y; Lee H V; Hamid S B A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102850&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Lignocellulosic biomass from oil palm agro-industrial waste is highly potential to be valorised into cellulose polymer in nanoscale, which is useful for various applications. The present study discussed the synthesis of cellulose nanocrystal (CNC) from oil palm trunk (OPT) biomass via chemical-sonication process. The effect of pretreated alkali-bleached OPT and H2SO4 acid hydrolysed (40% and 60% w/w) cellulose were investigated by utilising X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). Biomass crystallinity, thermal stability and chemical functional group suggested that the pretreatment process has successfully isolated cellulose from OPT, which indicated the removal of lignin, hemicellulose and impurities from the palm fibres. Furthermore, SEM and TEM images revealed that CNC40 and CNC60 were observed in rod-shaped structure with the dimension of 100.00 nm (L) x 27.50 nm (d) and 95.00nm (L) x 25.00nm (d), respectively, and corresponded to the aspect ratio of 3.63 and 3.80, respectively. In the presence of sonication condition, the study suggested that both 40 and 60%w/w of H2SO4 rendered active effect for acid depolymerisation of cellulose at 45 deg C and 15 min of time. Thus, this can concluded that milder acid (40%w/w) was able to produce cellulose in nanosizes under mild operating condition with the assistant of sonication effect. 40 Refs. > > > > --- > > > **Title: Exploring the potentials of nanocellulose whiskers derived from oil palm empty fruit bunch on the development of polylactid acid based green nanocomposites** > Page Range: p.729-734 > Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi; Marliana M M; Nurul Fazita M R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102851&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > In this study, nanocellulose whiskers (NCW) from oil palm empty fruit bunches (OPEFB) were used as reinforcement phase in polylactid acid (PLA). Two techniques were employed to isolate the NCW from OPEFB microcrystalline cellulose (OPEFB-MCC); chemical swelling with DMAc containing 0.5% LiCl to generate the NCW and acid hydrolysis with 64% H2SO4 to generate the NCW-S. The atomic force microscopy showed that the isolated NCW and NCW-S are in nanoscale dimension and displayed an individual rod-like structure. The fillers were then incorporated in PLA matrix at different loadings (1, 3, and 5 parts per hundred resin (phr)) to produce P-NCW and P-NCW-S nanocomposites via solution casting technique. The mechanical properties of the developed nanocomposites were investigated by means of tensile test. The results showed that the tensile strength of nanocomposites increased by 84% and 64% for the NCW and NCW-S reinforced PLA nanocomposites, respectively. The Young's modulus of nanocomposites increased linearly with the fillers loading. Expectedly, the percent elongation at break was impacted negatively as it decreased with fillers loading. The thermogravimetric analysis showed that the decomposition temperatures (T10, T50 and Tmax) of P-NCW were higher than neat PLA. In the case of P-NCW-S however, the thermal stability decreased with the additional of NCW-S. 25 Refs. > > > > --- > > > **Title: Effects of recycling cycle on used thermoplastic polymer and thermoplastic elastomer polymer** > Page Range: p.735-740 > Author(s): Yu Lih Jiun; Cher Tien Tze; Usaid Moosa; Tawawneh M A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102852&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Due to several environmental problems arising through the disposal of polymers, recycling has been growing rapidly as one of the best approaches to minimise environment pollution issue. Apart from the positive impacts towards environmental sustainability, recycling polymer is also benefiting in terms of manufacturing cost reduction, energy conservation and material resource conservation. The aim of this study was to investigate how recycling cycle affects the physical properties and mechanical properties for both used thermoplastic polymer and thermoplastic elastomer polymer. Samples were prepared by melting used polymers via melt blending technique. Results showed that tensile strength and density were decreased for thermoplastic polymer and the changes in visual are significant when the number of recycling cycle was increased. Tensile strength, yield strength and Young Modulus of thermoplastic elastomer are independent from number of recycling cycles. Presence of antioxidant fillers in thermoplastic elastomer enhanced the tensile strength (28.23%) and Young Modulus (29.16%) when the polymers were exposed to ultraviolet light. 25 Refs. > > > > --- > > > **Title: Biodegradability and thermal properties of hybrid montmorillonite/microcrystalline cellulose filled polylactic acid composites: effect of filler ratio** > Page Range: p.741-746 > Author(s): Reza Arjmandi; Azman Hassan; Mohamad Haafiz M K; Zainoha Zakaria > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102853&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The objective of this study is to investigate the effects of partial replacement of montmorillonite (MMT) with microcrystalline cellulose (MCC) on the biodegradability and thermal properties of hybrid MMT/MCC filled polylactic acid (PLA) composites prepared using solution casting technique. Based on our previous study, the optimum MMT content based on having the highest tensile strength in PLA/MMT nanocomposites is 5 phr (parts per hundred parts of polymer). Therefore, the PLA/MMT/MCC hybrid composites were prepared at a total filler content of 5 phr. The biodegradability and thermal properties of PLA hybrid composites were investigated using soil burial test and thermogravimetric analysis, respectively. The biodegradability of PLA/MMT/MCC hybrid composites (1 phr MMT and 4 phr MCC) at 8th week significantly increased by approximately 228% and 367% compared to the optimum formulation of PLA/MMT nanocomposite and neat PLA, respectively. In addition, Fourier transform infrared spectroscopy (FTIR) revealed the formation of hydrogen bonding between the fillers and PLA matrix. The thermal stability of hybrid composites improved from 358.3 to 362.2 deg C by incorporation of hybrid MMT/MCC (1 phr MMT and 4 phr MCC) into PLA matrix, as demonstrated by maximum decomposition temperature. 26 Refs. > > > > --- > > > **Title: TiO2-SiO2-reinforced methylated grafted natural rubber (MG49-TiO2-SiO2) polymer nanocomposites: preparation, optimization and characterization** > Page Range: p.747-754 > Author(s): Oon Lee Kang; Azizan Ahmad; Nur Hasyareeda Hassan; Usman Ali Rana; Mohd Sukor Suait; Migliaresi C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102854&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > TiO2-SiO2 (30:70) and (70:30) sol particles were first prepared through ClHNO2-EtOH catalysis; and then incorporated into methylated grafted natural rubber (MG49) polymer host. Resultant MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites were characterised through XRD and FTIR analyses. Both MG49-TiO2SiO2 (30:70) and (70:30) polymer nanocomposites had exhibited extensive reduction in semicrystalline phase; but no significant change in structural properties. Low crystalline MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites were further characterised through SEM, TGA and DRA analyses. Both MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites had exhibited different dispersion state on fracture surface. Both MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites had demonstrated significant improvement in thermal properties, and also some improvement in rheological properties. 13 Refs. > > > > --- > > > **Title: Mechanical, thermal and instrumented impact properties of bamboo fabric-reinforced polypropylene composites** > Page Range: p.755-766 > Author(s): Mahmud Zuhudi N Z; Jayaraman K; Lin R J T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102855&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Many automotive companies are experimenting with natural fibres as a substitute for glass fibres in polymer composites, especially polypropylene (PP) based composites. PP composites reinforced by plain woven bamboo fabric have recently been widely investigated. Bamboo in woven fabric form embedded in the polymer results in easier material handling during production and reduction in the manufacturing cost of the composites. In the current study, the performance of twill-weave bamboo fabric-reinforced PP composites, which were fabricated using a compression moulding method, was evaluated. The mechanical, thermal and impact performances of the bamboo fabric-reinforced PP (BPP) composites were evaluated in comparison to those of PP, at various bamboo contents and stacking sequences. The incorporation of bamboo fabric resulted in the improvement of tensile strength, tensile modulus, flexural strength, flexural modulus and Charpy impact strength of PP by 238%, 110%, 180%, 170% and 160%, respectively. The integration of bamboo fabric slightly increased the melting temperature and the degree of crystallinity of the composites. A 40% decrease in the heat of fusion of the composites was observed compared to that of PP. Impact tests were also conducted using an instrumented drop weight impact test system. The perforation impact energy, peak load and energy absorbed of the composites increased when the bamboo content was increased. The perforation impact energy was at 55 J for the BPP50% composite, compared to that of neat PP at 20 J. The crack damage in the composites was also reduced with the presence of fabric reinforcement. These results indicate that bamboo fabric is truly a new contender for developing excellent and economical light-weight composites as interior components in automobiles. 35 Refs. > > > > --- > > > **Title: Mechanical properties of bio-composite natural rubber/high density polyethylene/ mengkuang fiber (NR/HDPE/MK)** > Page Range: p.767-774 > Author(s): Mohd Razi Mat Piah; Azizah Baharum; Ibrahim Abdullah > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102856&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The use of mengkuang fibre (MK) as a filler in NR/HDPE/MK bio-composite was investigated. The suitability of MK as reinforcing filler was studied in terms of the mechanical properties and phase morphology formed. Melt-blending was performed using an internal mixer (Haake Rheomix 600). The processing parameters identified were 135 deg C temperature, 45 rpm rotor speed and 12 min processing time. The optimum MK loading in 40/60 of NR/HDPE blend was obtained at 20 wt.% with the tensile strength, tensile modulus, and impact strength of 12.4 MPa, 377 MPa and 17.2 kJ/m2, respectively. These results showed an enhancement in tensile strength of 10.7% compared to the unfilled NR/HDPE blend. The maximum impact strength obtained at 5% fibre loading was 23.5 kJ/m2, which was 7.8% higher compared to unfilled NR/HDPE blend. The FESEM micrographs showed good adhesion between MK fibre and matrix. These mechanical properties enhancements proved the suitability of mengkuang fibre as potential reinforcing filler in NR/HDPE blend. 24 Refs. > > > > --- > > > **Title: Properties of epoxidized natural rubber tread compound: the hybrid reinforcing effect of silica and silane system** > Page Range: p.775-782 > Author(s): Siti Salina Sarkawi; Ahmad Kifli Che Aziz; Rohaidah Abdul Rahim; Rassimi Abdul Ghani; Ahmad Nazir Kamaruddin > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102857&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Modification of natural rubber via epoxidation process increases its compatibility with highly polar filler like silica. In this work, epoxidised natural rubber (ENR) reinforced with silica compound is evaluated for truck tyre tread compound. The rheological, physical and dynamic properties as well as the bound rubber content of ENR-silica tread compound are discussed. The results show that ENR-silica compound has high chemically bound rubber indicating the good interaction and bonding between rubber and silica. In addition, the dynamic test shows the ENR-silica vulcanisate exhibit higher Tan delta at 0 deg C and lower tan delta at 60 deg C as compared to conventional natural rubber-carbon black vulcanisate, which gives indication of higher wet grip and lower rolling resistance of the ENR vulcanisate. The use of ENR reinforced with silica filler in tread compound is a unique combination that offers renewable material for greener tyre application. 20 Refs. > > > > --- > > > **Title: Effect of micro- and nano- size of cellulose particles extracted from rice husk on the properties of hydrogels** > Page Range: p.783-788 > Author(s): Wan Hafizi Wan Ishak; Ooi Shok Yin; Ishak Ahmad > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102858&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The effects of different size of cellulose particles extracted from rice husk on the properties of gelatin/cellulose hydrogels were studied. Micro size cellulose was extracted by alkali and bleaching treatments followed by acid hydrolysis to obtain cellulose nanocrystal (CNC). Both cellulose (micro) and CNC (nano) were used in hydrogels formulation with gelatin (in ratio 25% cellulose dispersion to 75% gelatin). Gelatin was then subjected to chemical cross-linking using glutaraldehyde as crosslinking agent with CNC entrapped in gelatin to produce hydrogels. SEM observation revealed that swollen micro cellulose has irregular and bigger pores compared to cellulose nanocrystal (CNC) hydrogel which has homogeneous and smaller pores arrangement thus affecting their swelling degree. The cellulose fibres exhibit enhanced thermal stability but contrary with the cellulose nanocrystals which showed lower thermal stability. 22 Refs. > > > > --- > > > **Title: Efficacy of fibre aspect ratio and prepolymerised polyurethane as binder in enhancing strength of palm-based fibreboard** > Page Range: p.789-794 > Author(s): Azlin Mohmad Azman; Azizah Baharum; Khairiah Haji Badri > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102859&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Palm-based medium-density fibreboard (palm-based MDF) comprised of polyurethane prepolymer (pPU) and palm oil empty fruit bunch fibre (EFB) was prepared. The pPU was a reacting mixture in acetone consisted of palm kernel oil-based monoester polyol (PKO-p) and 4,4-diphenylmethane diisocyanate (MDI) with polyethylene glycol (Mw of 200 kDa, PEG200) as the plasticiser. EFB with size ranging from 250 (mu)m to 500 (mu)m (MDF S1), 500 (mu)m to 1000 (mu)m (MDF S2) and 1000 (mu)m to 2000 (mu)m (MDF S3) was investigated. The flexural strength and modulus increased with decreasing fibre size with optimum strength and modulus at 46.7 MPa and 1923 MPa respectively. Higher glass transition temperature (Tg at 77 deg C) was observed in MDF S1 compared to MDF S3 (Tg at 67 deg C). FTIR spectrum indicated possible formation of urethane linkage between the reactive NCO active groups in pPU with OH group from cellulose constituent in EFB fibre. 14 Refs. > > > > --- > > > **Title: Effect of halloysite nanoclay concentration and addition of glycerol on mechanical properties of bionanocomposite films** > Page Range: p.795-802 > Author(s): Nazratul Putri Risyon; Siti Hajar Othman; Roseliza Kadir Basha; Talib R A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102860&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Conventional plastic made from petrochemical based polymer which is non-degradable is not environmentally friendly. Thus, there is a need to develop bionanocomposite films to replace the non-degradable plastic. Bionanocomposite films were produced by the casting method using polylactic acid (PLA) biopolymer with the incorporation of nanoclay, particularly halloysite. The effect of the halloysite nanoclay concentration (0, 2, 4, 6 and 8 wt.%) as well as the addition of a plasticiser, particularly glycerol, on the mechanical properties (tensile stress, elongation at break and tensile strength) of bionanocomposite films was investigated. It was found that without the addition of glycerol, 2 wt.% concentration of halloysite nanoclay film resulted in the maximum tensile strength and elongation at break due to the interaction of the PLA and the nanoclay which is known for interfacial adhesion. The interaction was confirmed by FTIR spectrum. When more than 2 wt.% of nanoclay clay was added, both the tensile strength and the elongation at break reduced due to the agglomeration of the nanoclay. However, when glycerol was added, the film without the addition of halloysite nanoclay exhibited the maximum tensile strength and the film with 8 wt.% halloysite nanoclay exhibited the maximum elongation at break. The addition of glycerol lowered the mechanical properties of the films because the intercalation of the glycerol into the clays prevented the entry of PLA into the interlamellar of the nanoclay. 30 Refs. > > > > --- > > > **Title: Polyethersulfone nanofiltration membrane incorporated with silicon dioxide prepared by phase inversion method for xylitol purification** > Page Range: p.803-808 > Author(s): Faneer K A; Rosiah Rohani; Wahab Mohammad A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102861&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > Xylitol purity is essential for a high value product obtained from biomass fermentation. Common biomass fermentation from sugar cane bagasse, corncobs or rice husk source in the presence of yeast produces xylitol mixture (containing xylose, arabinose), thus, various methods have been used for the purification such as crystallisation and adsorption. However, membrane technique is of interest due to the operational simplicity and flexibility, relatively high selectivity and permeability for the transport of specific components. Nanofiltration (NF) membrane is targeted for the membrane application based on the ranges of molecular weight of the mixture components that fall in NF (between 200 to 2000 g/mol). In this paper, a new and efficient NF membrane used for purifying xylitol was synthesised from polyethersulphone (PES) and PES incorporated with silicon dioxide (SiO2) nanoparticles (NP) of 5 wt.% via phase inversion technique. These membranes have been characterised for their chemical, physical and morphological properties and their performances have been evaluated in the dead end filtration to obtain the pure water flux and filtration performance using xylitol mixture. EDX showed the presence of SiO2 NP on the membrane for PES/SiO2 membrane but none in PES membrane. The membrane permeation properties improved also when SiO2 has been incorporated to the PES membrane. The hydrophilicity of the PES/SiO2 membrane measured by contact angle improved from 79.7 plus/minus 0.65o to 59.1 plus/minus 0.15o for PES/SiO2 and PES membranes, respectively. The water flux has enhanced for PES/SiO2 membrane from 24.56 to 59.14 L/m2(.)h measured at 4 bar. Therefore, in terms of flux and contact angle, the synthesised membrane of PES/ SiO2 was found to be more effective compared to pure PES membrane. 26 Refs. > > > > --- > > > **Title: Reused carbon fibre as reinforcing filler in palm-based polyurethane composites** > Page Range: p.809-814 > Author(s): Mariana Mohd Zaini; Nor Rabbiatul Adawiyah Norzali; Khairiah Haji Badri > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102862&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The loading effect of recycled carbon fibre at 5, 10, 15 and 20 wt.% on the mechanical strength of the palm-based polyurethane (PU-rCF) was investigated. The recycled carbon fibre (rCF) from glycolysis of the carbon fibre epoxy mat (CFRP) was obtained. The glycolysis was conducted at 180-190 deg C under atmospheric pressure and catalysed by 1.9 wt.% NaOH in 80% aqueous medium. The rCF was analysed by FTIR spectroscopy analysis and SEM observation. Clean fibre without residual traces was obtained. The rCF was then incorporated into palm-based polyurethane to form composite panel (PU-rCF).The addition of rCF improved the mechanical strength of the composite. The impact strength increased more than 3 folds from 0.6 kJ/m2 to 3.8 kJ/m2 while the flexural strength increased from 43 MPa to 61 MPa. The shore D hardness index was at the highest (72) with maximum rCF loading of 20 wt.%. As expected, the FTIR spectrum of the PU-rCF indicated the absence of chemical interaction between PU and the rCF. The strong physical interaction between the rCF fibre strands has decreased the brittleness of the PU and increased the mechanical strength of the composites. 21 Refs. > > > > --- > > > **Title: Homogeneous and heterogeneous solid state self-healing system** > Page Range: p.815-824 > Author(s): Noor Nabilah Muhamad; Mohd Suzeren Md Jamil > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-9&JournalID=102863&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 24 > Issue No: No.9 > > **Abstract** > The solid state self-healing system was obtained by employing a thermosetting epoxy resin, into which a thermoplastic is dissolved. The aim of this study is to investigate the homogeneous and heterogeneous solid state self-healing system by using thermoplastics comprised of poly(bisphenol-A-co-epichlorohydrin) (PDGEBA), polyvinyl chloride (PVC), polyvinyl alcohol (PVA), polyethylene (PE) and polypropylene (PP) as healing agents. PDGEBA produced homogenous resin blend which undergone random molecule diffusion healing process. A heterogeneous resin blend composed of 8 wt.% PVC, PVA PE, and PP, yielding a "bricks and mortar" morphology wherein the epoxy phase exists as a matrix (mortar) interpenetrated with a percolating thermoplastic (bricks). The healing process in heterogeneous resin blend is attributed to volumetric thermal expansion of healing agent above its melting point in excess of epoxy brick expansion. Healing was achieved by heating the fractured resins to a specific temperature; above their glass transition temperature (Tg) which obtained from dynamic mechanical analysis (DMA) in order for diffusion process and thermal expansion to occur. The thermal properties and bonding formed in the epoxy resins were characterised by means of Fourier Transform Infrared Spectroscopy (FTIR) and dynamic mechanical thermal analysis (DMTA). Izod impact test and compact tension test were conducted to demonstrate details self-healing capability of different specimens. Results of Izod impact test are in agreement with the result of compact tension test. Under compact tension test, the healable resin with PDGEBA has the highest healing efficiency of 60% followed by PVC, PP, PE, and PVA with 39%, 37%, 28% and 21% of average percentage healing efficiencies in three healing cycle respectively. Morphological studies using optical microscope verified the fracture-healing process and morphological properties of the resins. 25 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Pressure transient behavior for alternating polymer flooding in a three-zone composite reservoir Page Range: p.1-10 Author(s): Changyu Zhu; Shiqing Cheng; Youwei He; Engao Tang; Xiaodong... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Pressure transient behavior for alternating polymer flooding in a three-zone composite reservoir** > Page Range: p.1-10 > Author(s): Changyu Zhu; Shiqing Cheng; Youwei He; Engao Tang; Xiaodong Kang; Yao Peng; Haiyang Yu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102888&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > > > **Abstract** > Alternating polymer flooding has achieved great attractions recently in oil industry, however, the research of pressure analysis in alternating polymer flooding reservoir is rare. This work presents a numerical pressure analysis method of three-zone composite model for formation evaluation. A new numerical pressure analysis model (three-zone composite model) is established by considering diffusion, convection, shear, and inaccessible pore volume, which is based on the rheology experiments. Based on this model, the type curves are then developed and sensitivity analysis is further conducted. The type curves have seven regimes in three-zone composite model. The characteristic is the obvious upturn of pressure derivative curve in transient regime between low concentration and high concentration polymer solution. Formation parameters can be interpreted by history matching and formation evaluation can be conducted based on this model. As an important part of formation evaluation, formation damage as a result of adsorption of polymers in porous media is evaluated by comparing the interpreted permeability with the original value before polymer flooding. The field test data proves that this proposed method can accurately evaluate reservoir characteristics in alternating polymer flooding reservoirs, which emphasises the potential application of this method in petroleum industry. 31 Refs. > > > > --- > > > **Title: Mechanical properties of graphene oxide/polyvinyl alcohol composite film** > Page Range: p.11-16 > Author(s): Tao Cheng-an; Zhang Hao; Wang Fang; Zhu Hui; Zou Xiaorong; Wang Jianfang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102889&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > Graphene oxide (GO) was served as mechanical strengthening to prepare GO/Polyvinyl Alcohol(PVA) composite film. This was accomplished in order to explore the influence of contents of GO on the tensile strength and failure strain of GO/PVA composite film. The results showed that as the GO content increased, the tensile strength of the composite film became greater rapidly at first, and then decreased gradually. When the GO content was 20%, the film had its maximum tensile strength (59.6 MPa). This is over 500% of the tensile strength of pure PVA film. The failure strain of GO/PVA composite film decreased rapidly as the GO content increased. The enhancement mechanism of the composite can be explained by the existence of multi-hydrogen bonds between the hydroxyl (-OH) groups of PVA and oxygen-containing functional groups of GO. 34 Refs. > > > > --- > > > **Title: Effect of oyster shell powder loading on the mechanical and thermal properties of natural rubber/oyster shell composites** > Page Range: p.17-22 > Author(s): Lefan Li; Zongqiang Zeng; Zhifen Wang; Zheng Peng; Xiaodong She; Sidong Li; Jieping Zhong > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102890&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > The oyster shell powder/natural rubber composites were successfully prepared by blending the modified oyster shell powder with natural rubber (NR). The oyster shell powder with a particle size of 209 nm were well distributed within the rubber matrix. The characteristic Fourier transform infrared spectroscopy (FTIR) absorption bands of both oyster shell powder and natural rubber were observed in the FTIR spectra of NR/oyster shell powder composites. The C-O absorption bands in carbonates of composites exhibit a shift from 1425 cm-1 to 1446 cm-1 which suggests the bonds formed among oyster shell powder, earth coupling agent and NR. The tensile strength and stress at 500% elongation increased with rising of the earth coupling agent. Composites with 1.5 parts per hundred rubber (phr) coupling agent achieved the highest mechanical properties, where an increase of 13.4% in tensile strength was found. The tensile strength and tear strength increased along with an increment of oyster shell powder. When the content of oyster shell powder attained 25-30 phr, the composites exhibited the best mechanical properties. In particular, the tensile strength and tear strength increased by 27.9% and 17.2% when compared with those of the control samples. Furthermore, the addition of the oyster shell powder leads to the improvement of thermal stability which is evidenced by an increase of 8 deg C in the initial degradation temperature. The improvement of the mechanical properties and thermal stability of the composites have demonstrated that the oyster shell powder can be used as potential fillers for natural rubber. 20 Refs. > > > > --- > > > **Title: Interfacial and mechanical properties of continuous fiber-reinforced pp via pre impregnated winding** > Page Range: p.23-28 > Author(s): Jiuqiang Song; Yan Qin; Jia Chen; Siwen Qin > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102891&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > In this paper, a continuous glass fibre-reinforced polypropylene prepreg was prepared by fibre treatment with a silane coupling agent and MAH-g-PP resin. Continuous glass fibre-reinforced polypropylene sheets were made from prepreg and PP mats by hot-pressing; they displayed exceptional performance. This paper studies the effects of maleic anhydride grafting on the polypropylene crystallinity and MAH-g-PP content in the prepreg, and the mechanical properties of the composites. The results showed that modifying PP with maleic anhydride decreased the tacticity of the polypropylene molecular chain, which reduced the crystallinity and melting point. An excellent interface formed between the polypropylene and fibre after the glass fibre was treated with a silane coupling agent and MAH-g-PP resin. The mechanical properties of the polymer materials displayed more favourable properties as MAH-g-PP content increased; the ideal MAH-g-PP content was 50%. 20 Refs. > > > > --- > > > **Title: Effect of heat treatment on curing uniformity of fiber composite laminates** > Page Range: p.29-34 > Author(s): Xiaoxia Wang; Qinglin Wang; Linlin Gao; Yuxi Jia > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102892&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > A numerical simulation procedure is presented to investigate the heat transfer and temperature distribution and then predict the curing uniformity of fibre/resin composite laminates during the hot moulding process. By means of a coupled thermochemical simulation of the composite material curing process, the effects of curing temperature and heating rate on curing uniformity are investigated. Compared with the curing process with lower temperature and heating rate, the curing process with higher temperature and heating rate can cure the composites much faster but generate more uneven temperature distribution. By comparatively analysing the influencing factors of curing non-uniformity, the curing characteristics of composites are revealed distinctly, which is helpful to understand the curing mechanism and design optimal curing cycle according to specific requirements. 16 Refs. > > > > --- > > > **Title: Modified silicon nitride nanopowder coating and its influence on the dynamic mechanical property of polymethyl methacrylate nanocomposite** > Page Range: p.35-42 > Author(s): Xiaodong Wang; Yuan Hu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102893&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > In this study we modified nanoparticles to prepare Si3N4/PMMA nanocomposites. Surface modification of nanoSi3N4 powder was carried out by using a suitable modification agent (NDZ-102) for improving nanoparticles dispersion stability. The surface properties of Si3N4 nanoparticles were systematically investigated by Fourier transform infrared spectroscopy, thermogravimetric analysis, size distributions analyser, surface free energy measurement and transmission electron microscopy (TEM). We concluded that 11% of NDZ-102 is the appropriate dosage of the coupling agent used to modify the surface of Si3N4 nanoparticles. Based on TGA and the spectra of FTIR, our results indicate that the coupling agent molecules are linked to the nanoparticles by chemical bonds, and that the surface of nanoparticles were coated by an organic layer. On the basis of the surface free energy experiments, it can be seen that there is an obvious improvement in the nanoparticles hydrophobicity after modification. Particle size tests and TEM reveal that the average diameter of the modified nano-Si3N4 is less than 100 nm and the nanoparticles have good dispersion in the solvent. It has also been found that the dynamic mechanical property of polymethyl methacrylate nanocomposite shows regular changes with an increasing powder content. 14 Refs. > > > > --- > > > **Title: Influence of silica as an abrasive on friction performance of polyimide-matrix composites** > Page Range: p.43-48 > Author(s): Xu X L; Lu X; Qin Z X; Yang D L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102894&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > This study investigated the friction performance of polyimide-matrix composites with various silica powder contents of different sizes. The friction tests were performed on a pin-on-disk tester at various velocities, ranging from 30 to 160 km/h. The experimental results indicate a silica powder size of 0.25 plus/minus 0.05 mm, a sample of 4 wt.% SiO2 demonstrated a high friction coefficient and better wear performance as compared to a sample without silica. The influence of silica content and powder size on the friction coefficient is directly related to the friction velocity. At low friction velocity (30-90 km/h), the friction coefficient increases as the SiO2 content increases, but decreases with increasing SiO2 particle size. At high friction velocity (90-160 km/h), the content and particle size of SiO2 have little influence on the friction coefficient. Experimental results indicate that large SiO2 particles can effectively hinder the motion of third body, which is advantageous to the formation of a compact third body and to the protection of the friction surface. 19 Refs. > > > > --- > > > **Title: Tightening characteristics research of M1.4 subminiature screw by applying CFRP laminates** > Page Range: p.49-56 > Author(s): Dae-Young Kim; Jung-Ho Kim; Seung-Woo Ra; Joung-An Jeong; Ji-Hoon Kim > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102895&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > The recent core technologies developed in automobile and aerospace industries can be classified into two types, namely, advancement technology for safety and convenience and mechanical technology for eco-friendly and lightweight systems. Research in the field of composite materials has attracted significant attention. Carbon fibre reinforced plastics (CFRP) show high specific stiffness and specific strength compared with metallic materials. They exhibit mechanical properties with high damping characteristics and are lightweight. However, according to the direction of a laminate or its stacking sequence, the structural characteristics of CFRPs vary. It is hard to predict fracture under tensile and bending forces in CRFPs, when compared to metals. Threaded fasteners with easy assembly and disassembly are used widely in several fields. However, to maintain clamping force, proper torque force should be applied. As the size of the components decreases, the clamping force also decreases because the contact area between the component and other components decreases. In this study, CFRP specimens were subjected to tensile tests via a universal testing machine to estimate their mechanical properties with respect to the stacking angles of the laminates. The reverse screw torque and screw torque at each stacking angle were determined using a torque tester after tapping holes on the CFRP specimens. It was expected that both the epoxy attached to the screw surface and stacking direction of CFRP laminates affect the screw torque force of the composite material. In the case of woven composite specimens, there was no difference observed even when torque was applied to prevent loosening of the specimens with or without coating. The average results for the woven composite specimens were better than that for the other specimens. 15 Refs. > > > > --- > > > **Title: Medicated multiple-component polymeric nanocomposites fabricated using electrospraying** > Page Range: p.57-62 > Author(s): Yong-Hui Wu; Deng-Guang Yu; Jiao-Jiao Li; Qing Wang; Hai-Peng Li; Xiao-Yan Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102896&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > Drug-loaded hydrophilic polymeric composite (HPC) is one of the most promising biomaterials for resolving the long-standing challenge of the development of oral solid formulations for insoluble drugs. With polyvinylpyrrolidone K10 (PVP) as polymeric carrier and sodium dodecyl sulphonate (SDS) as a surface active agent, a new type of HPC was fabricated for enhancing the dissolution of quercetin using an electrospraying process. A solvent mixture consisting of acetic acid, acetone and ethanol were exploited to prepare the codissolving solution of quercetin, PVP, and SDS for creating HPC. Both the sprayed nanoparticles and casting film fabricated using a thermal solvent evaporation process were amorphous composites, as demonstrated by the XRD results. ATR-FTIR spectra verified that the drug and the pharmaceutical carriers had good compatibility. In vitro dissolution experiments showed that the sprayed HPC could provide an over ten-fold faster dissolution rate than the casting film. Electrospraying is a facile method for developing new kinds of HPCs for insoluble drugs. 17 Refs. > > > > --- > > > **Title: Effect of aminosilane concentrations on the properties of poly(lactic acid)/kenaf-derived cellulose composites** > Page Range: p.63-76 > Author(s): Yee Bond Tee; Talib R A; Khalina Abdan; Nyuk Ling Chin; Roseliza Kadir Basha; Khairul Faezah Md Yunos > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102897&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > To reinforce the use of kenaf-derived cellulose as a compatible plastic filler, the cellulose (C) was thermally grafted with various concentrations (5, 8, and 11 wt.%) of hydrolysed 3-aminopropyltriethoxysilane (APS). The silane-grafted cellulose (SGC) were named as SGC5, SGC8 and SGC11. C (30 wt.%) and all of the SGC were respectively melt-compounded into poly(lactic acid) (PLA) before being hot-pressed into ~0.3 mm sheets, which is the approximate thickness of clamshell packaging. The intermolecular interaction between SGC and PLA, which was absent with C, was confirmed via Fourier Transform Infrared Spectroscopy (FTIR). PLA filled with SGC5 or SGC8 showed significant improvement in thermal, tensile, physical, and barrier properties compared with the PLA/C composite. In contrast, adverse effects were observed with the PLA/SGC11 composite. 8 wt.% of APS was concluded as the critical concentration to be thermally-grafted onto the kenaf-derived cellulose as PLA/SGC8 composite showed optimum reinforcement in tensile strength (52 MPa), crystallisability (16% crystallinity), water resistance (5.3%) and dimensional stability (3.3%), and significantly shifted oxygen barrier from medium-low range to medium range (3.2 x10-17 m3 m/m2 s Pa). Overall, the variation in the properties of these biocomposites may extend PLA's range in food packaging applications. 48 Refs. > > > > --- > > > **Title: Properties evaluation of repair mortars containing EVA and VA/VeoVa polymer powders** > Page Range: p.77-86 > Author(s): Tsai-Lung Weng; Wei-Ting Lin; Cheng-Hao Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102898&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > The repair of damaged structures is a complicated problem in the construction industry and it is no uniform standard for evaluating the effectiveness of repair materials. Two different redispersible polymer powders, ethylene vinyl acetate (EVA) and polyvinyl acetate-vinyl carboxylate (VA/VeoVa), were added in the repair mortars with two water-cement ratios and three polymer-cement ratios. The effectiveness of repair materials was evaluated according to the physical, mechanical properties and micrographs. Testing program includes setting time, drying shrinkage, thermal expansion, compressive strength, tensile strength, flexural strength, bond strength, X-ray diffraction analysis, scanning electron microscopy observation. Test results show that the specimens with VA/VeoVa and w/c of 0.5 have highest compressive strength, tensile strength, flexural strength and bond strength. The specimen with EVA also has higher strength than control one at the age of 28 days. The drying shrinkage deformation of VA/VeoVa specimen is close to the control one. The specimens with VA/VeoVa have lower thermal expansion than EVA specimen when the water-cement ratio is 0.5 and there is no difference between EVA and VA/VeoVa specimens for the water-cement ratio of 0.6. The micrographs show that adding polymer powder can reduce the pore and improve the durability. 22 Refs. > > > > --- > > > **Title: A combined experimental and molecular dynamics simulation study on the miscibility of eucommia ulmoides gum with several rubbers** > Page Range: p.87-92 > Author(s): Fei-Zhou Li; Zhen-Lin Lu; Dong-Ping Tian > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102899&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > This paper analyses the miscibility state of EUG blended with CR, BR, SBR, NR and NBR via Molecular Dynamics (MD) simulations performed using Blends and the Flory-Huggins interaction parameter, phase diagrams, and mixing energy. The results showed that EUG can be miscible with CR, BR, SBR, NR, and NBR above 350K, and the simulation predictions and experimental results were mainly the same. 23 Refs. > > > > --- > > > **Title: Study on effect of surface treating method on mechanical behavior of three plant fiber reinforced polypropylene composites** > Page Range: p.93-102 > Author(s): Ma L; He L J; Shao S Y > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102900&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > The surface modification effects of triethoxysilane (KH-550), methacryloxy propyl tri-methoxy silane (KH-570), and maleic anhydride grafted polypropylene (MAPP) on sawdust (SD), wheat straw (WS) and cellulose (CE) were studied by a tensile test, as well as surface morphology observation on reinforced composites. The results revealed that MAPP was the most effective coupling agent, and SD composites performed better than WS and CE. The tensile test results indicated that the optimum conditions for coupling agents were 1 wt.% for silane coupling agents and 5 wt.% for MAPP. SEM studies confirmed the tensile test results, proving that adhesion was improved with the employment of MAPP. MAPP-treated composite samples presented a prevailed fibre broken pattern which resulted in strong fibre-matrix interface bonding, whereas silane treatments did not provide an obvious enhancement in adhesion between the fibre and the matrix. 28 Refs. > > > > --- > > > **Title: Study on dynamic behavior of AFRP-wrapped circular concrete specimens under repeated impacts** > Page Range: p.103-112 > Author(s): Hengwen Song; Hui Yang; Shi Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102901&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > A series of damage tests and axially repeated compressive tests with high strain rates were conducted to investigate the behaviour of aramid fibre reinforced polymer (AFRP) wrapped concrete under repeated impacts. The relation between damage condition and variables such as impact number and polymer thickness were examined. The tests were performed using a 100 mm diameter Split Hopkinson Pressure Bar (SHPB) apparatus and a nonmetal supersonic test meter. Various AFRP layers were applied to produce varied confinement ratios. The experimental results indicated that the AFRP-wrapped concrete exhibited excellent performance in resisting repeated impacts. Also, the specimens maintained their shapes and bearing capacity after multiple impacts with a mean strain rate of 50 s-1. No distinct decline was observed from the history of peak stress and impact toughness in AFRP-wrapped concrete. Moreover, additional AFRP layers significantly decreased the impact damage on the core concrete, as reflected by the different strain rate histories in damage progression. 28 Refs. > > > > --- > > > **Title: Poly(glycidyl methacrylate) grafted to carbon fiber surface by RAFT polymerization for enhancing interface adhesion and mechanical properties of carbon fiber/epoxy composites** > Page Range: p.113-118 > Author(s): Daosong Lan; Lei Xiong; Hongtao Wanyan; Yiming Yuan; Qian Fan; Xuekai Zeng; Yonglong Chen; Zhiyuan Cao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102902&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.1 > > **Abstract** > In this study, we present a novel approach to graft a large number of poly(glycidyl methacrylate) (PGMA) chains onto the carbon fibre (CF) surface through reversible addition-fragmentation chain transfer (RAFT) polymerisation. Characterisation results of FT-IR, XPS and TGA demonstrated that PGMA was covalently combined with carbon fibres. The CF/epoxy composites were obtained by addition of pristine CF and CF functionalised with poly(glycidyl methacrylate) (CF-PGMA) into epoxy resin. Experiment results revealed that the grafting of PGMA chains on the CF surface could increase significantly roughness and number of active groups of CF, which enhanced interface and mechanical properties of the composites. The compression strength, tensile strength, flexural strength and interfacial shear strength (IFSS) of CF-PGMA/epoxy composites are enhanced by at least 63.1%, 37.9% 55.6% and 122.5%, respectively, compared to pristine carbon fibre/epoxy composites. This enhancement indicates that surface modification of the carbon fibres by RAFT technique is a potential method to preparing CF-reinforced polymer matrix composites with excellent mechanical properties. 18 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Synthesis and properties of novel polymers to increase the electrochromic service life of poly(3-hexylthiophene) Page Range: p.119-128 Author(s): Cheng-Yuan Lai; Foot P J S; Brown... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Synthesis and properties of novel polymers to increase the electrochromic service life of poly(3-hexylthiophene)** > Page Range: p.119-128 > Author(s): Cheng-Yuan Lai; Foot P J S; Brown J W > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102927&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > > > **Abstract** > Poly(3-alkylthiophene)s (P3ATs) are a promising class of electrochromic materials because of their convenient processability and environmental stability. The adhesion of electroactive polymer coatings on a transparent conducting substrate is a significant factor affecting the durable colour-changing life of electrochromic devices such as visual displays and switchable windows. Traditional electrochromic coatings on transparent ITO glass electrodes often have poor cycling lifetimes, due to incompatibility between the polymers and the inorganic substrates. However, providing a covalently-bonded network between the active electrochromics and the ITO glass is an efficient method to increase the adhesion and hence to extend the service time; the research described here used Suzuki-Miyaura coupling of N-(3-trimethoxysilylpropyl)pyrrole (TMP) onto poly(3-hexylthiophene) (P3HT), as a precursor to a sol-gel reaction. The Si-O-metal network produced between the siloxane groups and metal oxide after the sol-gel reaction served to enhance the adhesion of the poly(3-hexylthiophene) onto ITO glass. With this stronger bonding, the colour-switching service time was found to be extended considerably by the observation of repeated electrochemical cycling tests. In addition, the electro-optic and electrochemical properties of copolymers with various molar substitution ratios of TMP on P3HT were investigated by cyclic voltammetry and UV-visible spectroscopy. The (pi)-(pi) > > > > --- > > > **Title: Highly efficient encapsulation of ingredients in poly(methyl methacrylate) capsules using a superoleophobic material** > Page Range: p.129-134 > Author(s): Takayuki Takei; Kiyotaka Araki; Keita Terazono; Yoshihiro Ozuno; Gen Hayase; Kazuyoshi Kanamori; Kazuki Nakanishi; Masahiro Yoshida > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102928&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > Increasing the efficiency of encapsulation of ingredients into spherical capsules can decrease the manufacturing costs of the capsules. Ingredients can be encapsulated with high efficiency (>99%) into nondegradable hard resin capsules prepared by polymerisation of spherical droplets of trimethylolpropane trimethacrylate (TRIM) monomer placed on a superoleophobic material. Poly(methyl methacrylate) (PMMA) resin is a more versatile capsule material than poly-TRIM resin. In this study, the efficiency of encapsulation in PMMA resin capsules prepared from methyl methacrylate (MMA) monomer was investigated. To reduce the volatility of the MMA monomer, pre-polymerised MMA was used for capsule preparation. Although non-volatile e-tocopherol and doxorubicin could be encapsulated in the capsules with high efficiency by heat polymerisation at 60 deg C for 3 h, the efficiency for volatile tetradecane was much lower (approximately 60%) because it evaporated. Furthermore, even when using pre-polymerised MMA, more than 70% of the prepolymer evaporated during polymerisation. To prevent the evaporation of tetradecane and the prepolymer, ultraviolet photopolymerisation was adopted because it was faster and could be conducted at a lower temperature. The photopolymerisation prevented the evaporation of the prepolymer and increased the efficiency of encapsulation of tetradecane (approximately 90% efficiency). This polymerisation system is effective for encapsulation of ingredients in PMMA capsules with high efficiency. 25 Refs. > > > > --- > > > **Title: Enhancing the corrosion inhibition behaviour of epoxidized natural rubber-polyaniline dodecylbenzenesulfonate blend via the incorporation of WO3** > Page Range: p.135-142 > Author(s): Yong K C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102929&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > Electrically-conductive (in the region of 10-3 S.cm-1) epoxidised natural rubber-polyaniline dodecylbenzenesulphonate [ENR-PAni.DBSA] blend was prepared, and the effect of incorporation of WO3 on its corrosion inhibition behaviour for carbon steel was assessed for the first time. It was found that the electrical conductivity of this blend could be enhanced by up to an order of magnitude for WO3 loadings of 20.0-22.5 wt.%. From both total immersion and electrochemical corrosion tests, ENR-PAni.DBSA blends with 20.0-22.5 wt.% of WO3 were found to be the best corrosion inhibitors for carbon steel, in both acid and artificial brine environments. However, a blend containing a higher WO3 content (i.e. 25.0 wt.%) showed a significant poorer corrosion inhibition behaviour for carbon steel due to its more severe phase separation and porosity between the ENR host matrix and WO3. 25 Refs. > > > > --- > > > **Title: Development and characterization of PLA/buriti fibre composites - influence of fibre and coupling agent contents** > Page Range: p.143-152 > Author(s): Brambilla V C; Beltrami L V R; Kaue Pelegrini; Zimmermann M V G; Brandalise R N; Zattera A J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102930&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > The use of biodegradable polymers has aroused academic and technological interest directed to the replacement of conventional polymers aiming at reducing the environmental impact caused by these materials. Vegetable fibres as reinforcement elements provide gains in mechanical, thermal and degradation properties to polymer composites. The buriti fibre (Mauritia flexuosa) is an abundant crop of easy cultivation in tropical countries and its use in composites with poly(lactic acid) (PLA), can provide the development of a material with specific features, combining good mechanical properties and excellent degradation potential to the obtained composites. In this research, PLA and buriti fibre composites were developed with the use of triacetin as coupling agent. For a 30% content by mass of fibre, the results showed that the mechanical properties of the composites were similar to those of neat PLA. This was attributed to the fibre/matrix interaction observed by the SEM analysis and to an increase in crystallinity assessed by thermal properties. 26 Refs. > > > > --- > > > **Title: Non-isothermal modelling and optimisation methodology of the injection moulding of rubber products** > Page Range: p.153-160 > Author(s): Baranov A V > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102931&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > The process of injection moulding is regarded as a combination of separate operations linked by certain process parameters. The first part of this study presents a mathematical model of the non-isothermal flow of rubber mixes along mould sprue channels, taking into account all the main features of the injection moulding process. On the basis of this model, an attempt is made to develop a methodology for optimising the injection stage. Diagrams linking the main process parameters are plotted. The second part of the study is devoted to the final stage of this cycle - the vulcanisation stage. The presented mathematical model of non-stationary heat conduction takes into account the heat evolution from the chemical reaction of vulcanisation and the temperature dependence of all thermophysical properties. On this basis, an attempt to develop optimisation methodology for this stage is presented. Diagrams are plotted that link the main process parameters of the vulcanisation stage with the previous stages of plasticisation and injection. 18 Refs. > > > > --- > > > **Title: Preparation and characterization of coloured polymer particles for electronic ink** > Page Range: p.161-166 > Author(s): Jing Wang; Yaqing Feng; Xianggao Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102932&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > A new coloured polymer particle was prepared, in which chromophoric groups were introduced onto the surface of the polymer particle for use in electronic ink. The structure, morphology and thermal stability of polymer electrophoretic particles were characterised using FTIR, solid state 13C-NMR, SEM and TGA. Electrophoretic mobility measurements proved that the polymer particles had negative charges in the electrophoretic dispersion medium. Electronic ink microcapsules containing the polymer particles were prepared by coacervation. The polymer particles had a reversible electric response in the microcapsules under a DC electric field. 18 Refs. > > > > --- > > > **Title: Enhancing fatigue life of filament winding laminar and curved pipes containing carbon nanotubes, and their fatigue failure** > Page Range: p.167-176 > Author(s): Mustafa Tasyurek; Necmettin Tarakcioglu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102933&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > In this study, the fatigue life of glass fibre-epoxy matrix material produced by the filament winding composite pipes and matrix material reinforced with multi-walled carbon nanotubes (MWCNTs) nanocomposite filament winding tubes were studied experimentally under the influence of internal pressure. Glass-reinforced plastic (GRP) pipes which were reinforced with carbon nanotubes were tested in the conditions of an open-ended test. The winding angle of test specimens was plus/minus 55 deg and they had six layers. During all the experiments, the fatigue life effect of reinforced carbon nanotubes was investigated. Unreinforced glass, as a reference material, was compared with reinforced plastic with the addition of nano-reinforced material using two different rates of 0.5% and 1%. Fatigue tests of specimens have been carried out in accordance with ASTM D-2992. Later on, the results obtained by determining the material properties with the reinforcement of carbon nanotubes GRP pipes were evaluated. As a result of this study, it has been found that MWCNTs reinforcement increases the fatigue life of the GRP tubes. Inter-laminar fracture strength was developed via the mechanical locking of MWCNTs. The critical MWCNTs usage value was between 0.5% and 1%. 35 Refs. > > > > --- > > > **Title: Application of Taguchi method for optimizing of mechanical properties of polystyrene-carbon nanotube nanocomposite** > Page Range: p.177-184 > Author(s): Maryam Farbodi > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-2&JournalID=102934&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.2 > > **Abstract** > Carbon nanotube (CNT) was selected as reinforcement agent to improve the mechanical properties of polystyrene (PS). PS-CNT nanocomposite was prepared by mixing CNT with a solution of PS. Taguchi experimental design method was used to determine the optimal conditions for preparation of the nanocomposite. The effects of six factors including the type of CNT (A), type of solvent (B), type of PS (C), drying temperature of nanocomposite film (D), the percentage of CNT (E) and duration of mixing after adding CNT (F) were investigated at different levels. The tensile strength values of PS-CNT nanocomposite films were used as the responses for the analysis of data using signal to noise (S/N) method. Using this method, the optimum conditions were obtained as: the type of CNT: functionalised single walled CNT (SWCNT), the percentage of SWCNT: 1.5%, the type of solution: tetrahydrofuran, the type of PS: GPPS 1460, drying temperature: 25 deg C, duration of mixing: 1 hour. Based on the obtained values, the order of the effect of factors was CEADBF. The most effective and the least effective factors were C and F, respectively. The calculated F-ratio of each factor showed that at 95% confidence interval, the F values for all factors except factor F have significant effects on the response values. Also, the functionalisation of the CNTs surfaces by -OH and -COOH groups confirmed by FTIR and SEM techniques. 17 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Analytical modelling of textile parameters and draping behaviour of 2D biaxial braided sleevings Page Range: p.315-326 Author(s): Schillfahrt C; Schledjewski R File size: Download the... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Analytical modelling of textile parameters and draping behaviour of 2D biaxial braided sleevings** > Page Range: p.315-326 > Author(s): Schillfahrt C; Schledjewski R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103013&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > > > **Abstract** > Biaxial braided sleevings are commonly used for producing hollow complex-shaped composite parts through bladder inflation moulding. To enable feasibility analyses, part design and the prediction of mechanical properties of the resulting fibre-reinforced component, various geometrical and weight-related parameters of the braided fabric in its draped state must be known, such as fibre orientation, fibre volume fraction and areal weight. In the present work, a comprehensive analytical model describing fabric formation, preform architecture and weight as well as the change of relevant textile parameters of a biaxial braided sleeving during draping is established. The principal modelling approach is based on sporadic investigations found in literature and was substantially expanded to compile an extensive collection of relationships for the utilisation in a sleeving-on preforming process. Furthermore, a critical overview about the state of the art in the area of geometrical modelling of tubular 2D braided structures and a comparison of the identified procedures in regard to the desired application is given. 43 Refs. > > > > --- > > > **Title: UV effects on the tensile and creep behaviour of HDPE** > Page Range: p.327-332 > Author(s): Becerra A F C; d'Almeida J R M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103014&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > The tensile and creep behaviour of a high-density polyethylene grade used to manufacture pipes were evaluated as a function of the time of exposure to UV radiation. The effect of the creep stress level was also analysed. A threshold radiation dose was determined, above which UV radiation causes loss of the macroscopic mechanical behaviour for this particular HDPE grade. Below the threshold value, macromolecular modifications were also taking place, but the deleterious effect of UV radiation was masked by the development of a more rigid structure. Scanning electron microscopy, melt flow index and thermogravimetric analysis were used to support the results of the mechanical analysis. 17 Refs. > > > > --- > > > **Title: Behaviour of hybrid SiC/jute epoxy composites manufactured by vacuum assisted resin infusion** > Page Range: p.333-344 > Author(s): Noha Ramadan; Iman Taha; Rawia Hammouda; Abdellatif M H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103015&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > Natural fibre-reinforced polymer composites are standing in the limelight of investigations due to their light weight and availability from natural and renewable resources. Improved mechanical and physical behaviour is targeted through hybridisation with other reinforcing elements. This study investigates the potential of adding silicon carbide particles at volume contents ranging between 2 and 8% to jute fabric-reinforced epoxy composite to produce such hybrid composites. In contrast to the commonly applied processing technique of hand layup used to produce natural fibre-reinforced laminates, the vacuum-assisted resin infusion method was applied in this study to produce high quality laminates. Samples were tested for their mechanical behaviour through tensile, flexural and impact tests. Scanning electron microscopy was further performed to analyse the modes of failure of the composites. Finally, erosion tests were conducted, by directly sanding the hybrid composite samples to evaluate their erosion wear resistance. Results indicated that the addition of particles had a significant effect on the tensile, flexural, impact and erosion wear behaviour of the composites under investigation. Hybrid composites reinforced with 4 vol.% SiC exhibited acceptable mechanical properties. The behaviour was found to deteriorate at SiC contents beyond 4 vol.%. 32 Refs. > > > > --- > > > **Title: Synthesis and characterisation of novel thiophene based azomethine polymers and study of their liquid crystalline, electrochemical and optoelectronic properties** > Page Range: p.345-362 > Author(s): Omer Yasin Al-Janabi; Foot P J S; Emaad Taha Al-Tikrity; Spearman P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103016&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > This work reports the synthesis, structural characterisation, liquid crystallinity, luminescence and electroluminescence of novel thiophene azomethine polymers. The polymers under study were prepared via oxidative polymerisation of four novel monomers at room temperature using iron (III) chloride. The chemical structures of the prepared monomers and polymers were confirmed by infrared and 1H and 13C NMR spectroscopy. Molecular masses were determined for monomers and polymers by gas/liquid chromatography-mass spectrometry (GC/LC-MS) and by gel-permeation (size exclusion) chromatography (SEC), respectively. Thermal stability studies of the prepared materials were achieved by thermogravimetric analysis (TGA), and the onset of weight loss To and the endset Tmax were calculated from the thermograms. Liquid crystalline mesophases and phase changes of the monomers and polymers were studied by differential scanning calorimetry (DSC) and polarised optical microscopy (POM), and the glass transition temperatures Tg of the polymers were determined from the DSC curves. The electrochemical band gaps, HOMO and LUMO energy levels were measured by cyclic voltammetry. UV-visible absorption-emission spectra (liquid and solid films) of the polymers were obtained at room temperature with different solvents. Optical band gaps were calculated from the absorption edges, and were in good agreement with those estimated from cyclic voltammetry. Mixing the polymers with lanthanide salts such as EuCl3 and YbCl3 gave modified fluorescence, and the light emitted was much more intense than that from the pure polymers. Polymer based light-emitting diodes (PLEDs) were fabricated by spin coating, and their current-voltage characteristics were measured. In preliminary work, the polymer devices were found to produce electroluminescent spectra similar to the PL spectra of the corresponding samples. Molecular modelling studies were performed both on polymer segments and monomer molecules; the absorption spectra of the prepared polymers, HOMO and LUMO energy levels were calculated with ZINDO using AMI geometry optimisation. 25 Refs. > > > > --- > > > **Title: Vinyl ester resin modified with acrylated epoxidised soybean (AESO) and linseed (AELO) oils: effect of additional urethane crosslinking** > Page Range: p.363-370 > Author(s): Grishchuk S; Karger-Kocsis J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103017&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > Bisphenol A-based vinyl ester resin (VE) was modified with acrylated epoxidised soybean and linseed oils (AESO and AELO, respectively) in 10 wt.%. The double bond/epoxy ratio in these functionalised vegetable oils was practically the same, i.e. 30/70%, allowing us to deduce effects caused by the different unsaturations in the parent oils. The crosslink density of the resins was enhanced by adding polyisocyanate. The glass transition temperature (Tg) of the hybrids was determined by differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA). Resistance to thermal degradation was assessed by thermogravimetric analysis (TGA). The fracture toughness and energy (Kc and Gc, respectively) were determined on compact tension specimens at room temperature. Incorporation of AESO and AELO reduced the Tg of VE along with slight reductions in the Kc and Gc data. The Tg reduction was less for AELO than AESO which was attributed to the higher functionality of AELO compared to AESO. Urethane crosslinking of VE (VEUH) prominently enhanced the Tg. Modification of VEUH with AES(L)O enhanced the Tg due to additional crosslinks. Urethane hybridisation was associated with a strong decrease in both Kc and Gc compared to those of the parent VE. Kc and Gc of VEUH did not change practically as a function of blending with AES(L)O. Incorporation of AES(L)O reduced the resistance to thermal degradation of both VE and VEUH. 36 Refs. > > > > --- > > > **Title: Detection of Voids in Carbon/Epoxy Laminates and Their Influence on Mechanical Properties** > Page Range: p.371-380 > Author(s): Di Landro L; Montalto A; Bettini P; Guerra S; Montagnoli F; Rigamonti M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103018&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > Defects, such as voids and delaminations, may significantly reduce the mechanical performance of components made of composite laminates. Distributed voids and porosity are generated during composite processing and are influenced by prepreg characteristics as well as by curing cycle parameters. On the basis of rheological and thermal analyses, as well as observations of laminates produced by different processing conditions, curing pressure appears the most influent factor affecting the void content. This work compares different methods for void analysis and quantitative evaluation (ultrasonic scan, micro-computed tomography, acid digestion, SEM image analysis) evidencing their applicative limitations. Carbon/epoxy laminates were produced in autoclave or oven by vacuum bag technique, using different processing conditions, so that void contents ranging from 0% to 7% volume were obtained. Effects of porosity over laminates mechanical performances are analysed. The results of tensile and compressive tests are discussed, considering the effect that different curing cycles have over void content as well as over fibre/resin fraction. Interlaminar strength, as measured by short beam shear tests, which is a matrix-dominated property, exhibits a reduction of failure strength up to 25% in laminates with the highest void content, compared to laminates with no porosity. 24 Refs. > > > > --- > > > **Title: Low velocity impact behaviour of asymmetric three-layer sandwich composite structures with and without foam core** > Page Range: p.381-394 > Author(s): Azam Kavianiboroujeni; Cloutier A; Rodrigue D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103019&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > This paper presents an experimental investigation of the impact behaviour of three layer sandwich structures made of high density polyethylene (HDPE) and hemp, with and without a foam core. Low-velocity falling weight and Charpy impact tests were performed to investigate the influence of hemp content, skin thickness and core density. The strength, load, absorbed energy, and deflection histories were recorded and analysed and the damaged specimens were inspected to determine the failure patterns. Based on the Charpy impact results, the structures with foam core had higher energy absorption capabilities compared to their counterparts without foam core. In addition, based on the falling weight impact results the energy dissipation properties of sandwich structures without foam core were superior to the structures with foam core. This property was also greatly influenced by skin fibre content, skin thickness and structure configuration. 36 Refs. > > > > --- > > > **Title: Studies on processing rheological and mechanical properties of poly(lactic acid)/sesbania gum/nano-silica composites** > Page Range: p.395-404 > Author(s): Qing Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103020&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > Processing rheological properties of poly(lactic acid) (PLA)/sesbania gum (SG)/nano-silica composites were investigated with a torque rheometer, and mechanical properties were researched by a universal testing machine and a cantilever-beam impact testing machine. Effects of SG content, nano-silica content, the types of plasticisers, the plasticiser content and the rotor speed of a torque rheometer on the properties of composites were discussed. The results indicated that polyethylene glycol (PEG)20000 exhibited the best plasticising effect on the composites, and at the same time, did not increase energy consumption of the systems compared with other four plasticisers. As for the aspect of processing rheological properties, the optimum formulation for PLA/SG/ nano-SiO2/PEG20000 composites was: 100 parts of PLA, 8 parts of SG, 2 parts of nano-SiO2, and 5-10 parts of PEG20000. Comparing with unmodified PLA, the comprehensive mechanical properties of the composites improved greatly, based on the results of the tensile, impact and bending tests. 30 Refs. > > > > --- > > > **Title: Isocyanate-functionalised montmorillonite as a reactive asphalt modifier** > Page Range: p.405-418 > Author(s): Dengke Zhang; Xinyan Xiao; Ying Cui > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103021&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.5 > > **Abstract** > Sodium montmorillonite was functionalised by isophorone diisocyanate (IPDI) and organic montmorillonite was functionalised by hydrogenated diphenylmethane diisocyanate (HMDI). Reaction between montmorillonite (MMT) and IPDI/HMDI caused the interlayer space of MMT to increase from 1.41 nm to 1.95 nm and 2.08 nm to 2.42 nm, respectively, and the resulting grafted -NCO groups led to a suitable reactive modifier. In order to improve the high-temperature performance and UV ageing resistance of the asphalt binder, asphalt modification was carried out by chemical reaction between -NCO groups and some polar groups (mainly -OH) of asphalt. The results showed that the interlayer space enlarged and exfoliated structure was formed due to the introduction of functionalised MMT (IPDI-HMMT-85 or HMDI-OMMT-80) into the asphalt. The as-prepared IPDI-HMMT-85 and HMDI-OMMT-80 modified asphalts, with a maximum softening point of 57.0 5C and 62.2 CC, initial decomposition temperature of 363 CC and 374 CC, respectively, possessed good storage stability, and were superior to Na-MMT modified asphalt and OMMT modified asphalt in terms of high temperature and UV ageing properties. 39 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Pull speed influence on fiber compaction and wetout in tapered resin injection pultrusion manufacturing Page Range: p.419-434 Author(s): Masuram N B; Roux J A; Jeswani... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc25-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Pull speed influence on fiber compaction and wetout in tapered resin injection pultrusion manufacturing** > Page Range: p.419-434 > Author(s): Masuram N B; Roux J A; Jeswani A L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103024&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > > > **Abstract** > In the resin injection pultrusion process (RIP), liquid resin is injected into the tapered injection chamber through the injection slots to completely wetout continuously pulled fibres. As the resin penetrates through the fibres, the resin also pushes the fibres away from the wall towards the centerline, causing compaction of the fibre reinforcements. The fibres are squeezed together due to compaction, making resin penetration more difficult; thus at low resin injection pressures, the resin cannot effectively penetrate through the fibres to achieve complete wetout. However, if the resin injection pressure is too high, the fibres are squeezed together to such an extent that even greater injection pressure is necessary to wetout the compacted fibres. The design of the injection chamber significantly affects the minimum injection pressure required to wetout the fibre reinforcements. A tapered injection chamber is considered such that wetout occurs at lower injection pressures due to the taper angle of the injection chamber. In this study, the effect of fibre pull speed on the fibre reinforcement compaction and complete fibre wetout for a tapered injection chamber is investigated. 16 Refs. > > > > --- > > > **Title: Experimental studies of stiffness degradation and dissipated energy in glass fibre reinforced polymer composite under fatigue loading** > Page Range: p.435-446 > Author(s): Ospina Cadavid M; Al-Khudairi O; Hadavinia H; Goodwin D; Liaghat G H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103025&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > In this work, tensile and compressive properties and fatigue performances of laminated glass fibre-reinforced polymer (GFRP) composite under constant amplitude sinusoidal load control at frequency of 5 Hz and at room temperature were investigated for three different types of loading: tension-tension at R=0.1 and 0.5, reverse loading tension-compression at R=-1 and compression-compression at R=2 and 10 in the fibre and normal-to-fibre directions. From these series of tests, the corresponding S-N diagrams were obtained. The dynamic stiffness during fatigue loading showed classical degradation of the GFRP laminates. It was observed that the dynamic modulus decreased with time, and the hysteresis loop area changed with some distortion according to the loading conditions. Finally hysteresis loops throughout fatigue testing were examined, and the variation of energy dissipated per cycle throughout the specimen lifetime was quantified. It was demonstrated that the dissipated energy during the fatigue lifetime is dependent on R-ratio and fibre orientation. However, in majority of the cases, the energy dissipated per cycle near the end of the fatigue lifetime increases as a result of an increase in the area captured by hysteresis loops. 25 Refs. > > > > --- > > > **Title: Thermal diffusivity of copper/linear-low-density polyethylene composites** > Page Range: p.447-452 > Author(s): Carson J K; Mohamed Alsowailem > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103026&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > The thermal diffusivities of copper/linear-low-density polyethylene (Cu/LLDPE) composites were measured relative to the thermal diffusivity of pure LLDPE. The relative thermal diffusivities were similar to those obtained for copper/high-density polyethylene composites, but were noticeably different from estimated values derived from thermal conductivity, density and specific heat capacity data for Cu/LLDPE from the literature. The thermal diffusivity of the composite material initially decreased below that of the pure polymer with the addition of a small amount of copper, before increasing above it as more was added. There would appear to be marginal or no benefit from adding less than about 15 to 20% metal by volume to a polymer, since the relative increase in thermal diffusivity only becomes significant for greater volumes. 24 Refs. > > > > --- > > > **Title: The mechanical and optical properties of injection-moulded PMMA, filled with glass particles of a matching refractive index** > Page Range: p.453-462 > Author(s): Wildner W; Drummer D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103027&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > In this paper, the optical and mechanical properties of injection-moulded plates (thickness: 1 mm) made of poly(methyl methacrylate) (PMMA) and glass particles as filler with a matching refractive index are investigated. Tests show that the orientation resulting from the injection moulding process greatly affects the tensile strength and elongation at break, whereas the elastic modulus merely depends on the filling degree, which is investigated up to 13 vol.%. In terms of the optical properties, the specimens' haze depends on the difference in the refractive index between a glass and polymer. However, the absolute value of haze increases with increasing filling degree and decreasing particle size. Surface defects resulting from the injection moulding process were found to be the primary reason for this haze, even with identical RI between PMMA and glass. 29 Refs. > > > > --- > > > **Title: Effect of sisal fibre hybridisation on static and dynamic mechanical properties of corn/sisal/polylactide composites** > Page Range: p.463-470 > Author(s): Honglin Luo; Dehui Ji; Guangyao Xiong; Lingling Xiong; Chuanyin Zhang; Yong Zhu; Yizao Wan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103028&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > The relatively poor mechanical properties of corn fibre (CF) and its green composites have hindered its applications. In this work, sisal fibre (SF) was hybridised with CF to reinforce polylactide (PLA) composites (CF/SF/PLA). The static mechanical properties such as tensile, flexural and impact strengths and dynamic mechanical properties such as storage modulus (E'), damping behaviour (tan,), glass transition temperature (Tg) of the hybrid composites were determined and, for the first time, hybrid effects on both static and dynamic mechanical properties were evaluated. It is found that the tensile, flexural, impact strengths, and E' and tan peak height, as well as the hybrid effects change with hybrid ratio (SF:CF). It is demonstrated that a hybrid composite with desirable static and dynamic mechanical properties can be produced by optimising the fibre:hybrid ratio. 34 Refs. > > > > --- > > > **Title: Auto-hybridization of polyethylene/maple composites: the effect of fiber size and concentration** > Page Range: p.471-482 > Author(s): Rodriguez-Castellanos W; Rodrigue D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103029&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > This work investigated the effect of maple fibre size and content on the auto-hybridisation of linear low density polyethylene (LLDPE) composites. The samples were compounded by twin-screw extrusion and moulded by compression moulding. Different fibre loadings (5 to 20% wt.), fibre sizes (0-425 microns) and size ratios (30/70, 50/50, 70/30 of short, medium, and long fibres) were used to prepare the auto-hybrid composites with 3% of coupling agent (maleated polyethylene). Micrographs and impact strength results showed that the fracture in auto-hybrid composites is mostly dependent on the longer fibres. At 10% wt. the optimum ratio was 30/70 of shorter/longer fibres, which improved tensile strength (20%), tensile modulus (20%), and impact strength (13%) compared with composites with a single fibre size. But at 20% wt., tensile modulus increased by 30% and torsion modulus by 40% above the rule of hybrid mixtures (RoHM) at a 70/30 ratio of shorter/longer fibres. 68 Refs. > > > > --- > > > **Title: Facile synthesis of core-shell structured CuS@PANI microspheres and electrochemical capacitance investigations** > Page Range: p.483-488 > Author(s): Chunnian Chen; Qi Zhang; Chengyang Peng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103030&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > A core-shelled structure CuS@PANI composite microsphere was successfully synthesised via chemical oxidative polymerisation procedure and the electrochemical performance was investigated. The as-prepared composites were characterised by FE-SEM, TEM and XRD, and their particulate structure has been confirmed. Interestingly, the CuS microsphere was not a whole solid but composed of several sheet-like subunits, and the PANI was loosely-coated on the surface of spherical CuS particles. The advantage of this kind of core-shell structure is that PANI has better conductivity, which favours the electronic conductive channels to the CuS cores. Moreover, the loosely-attached PANI could buffer the disadvantages of the volume changes of CuS during the charge-discharge process. The galvanostatic charge/discharge profile shows a specific capacitance of 308.1 F g-1 at a current density of 0.5 A g-1 and the composite retained 71.6% of its initial capacitance after 1000 cycles at a current density of 1 A g-1. 19 Refs. > > > > --- > > > **Title: Halloysite with iron oxide inclusions as a soft ferromagnetic filler for polymer composites** > Page Range: p.489-494 > Author(s): Stanislaw Frackowiak; Ludwiczak J; Leluk K; Kozlowski M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103031&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > Natural mineral fillers for polymer composites have frequently been investigated as cheap and easily obtainable alternatives to carbon nanotubes or synthetic short fibres. In this paper we have investigated a natural product from a deposit located in Poland and containing halloysite clay and ferromagnetic particles as main components. In order to assess the homogeneity and possible application fields of polyethylene-based composites prepared from these materials, the composites were evaluated by studying their melt rheology, mechanical properties, wetting, magnetic properties and surface morphology. 13 Refs. > > > > --- > > > **Title: Studies on crystallization and melting behaviors of UHMWPE/MWNTs nanocomposites with reduced chain entanglements** > Page Range: p.495-506 > Author(s): Guoyong Xu; Qingren Zhu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103032&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 25 > Issue No: No.6 > > **Abstract** > The nonisothermal crystallisation and melting behaviour of UHMWPE (ultra-high molecular weight polyethylene)/ MWNTs (multi-walled carbon nanotubes) nanocomposites with reduced chain entanglements was studied using differential scanning calorimetry (DSC) technique. The Ozawa approach failed to describe the crystallisation behaviour of nanocomposites, whereas the modified Avrami analysis could explain the behaviour of UHMWPE/ MWNTs nanocomposite to some extent. A novel kinetic model by Liu et al. was able to satisfactorily describe the crystallisation behaviour of UHMWPE/MWNTs nanocomposites. The Dobreva and Kissinger methods failed to calculate the nucleation activity and activation energy, respectively, for the UHMWPE/MWNTs systems. Also the Vyazovkin model-free kinetic method was applied to nonisothermal crystallisation to evaluate the dependence of the effective activation energy on conversion and temperature. 30 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc26-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: Reliability design and optimization process on through mold via using ultrafast laser Page Range: p.1-8 Author(s): Hsiang-Chen Hsu; Shih-Jeh Wu; Wen-Fei Lin; Boen Houng File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc26-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Reliability design and optimization process on through mold via using ultrafast laser** > Page Range: p.1-8 > Author(s): Hsiang-Chen Hsu; Shih-Jeh Wu; Wen-Fei Lin; Boen Houng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103149&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > > > **Abstract** > In this study, a through mould via (TMV) process using ultrafast Laser has been developed for the interconnection on 3D package-on-package (PoP) application. Epoxy moulding compound (EMC) is a composite material consisted of epoxy resin, filler particles (fused silica) and other constituents. Among these chemical compositions, the size and spatial distribution of fillers on the EMC dominate the sidewall quality on drilled trench. However, random filler leakage on the sidewall leads to an irregular and uneven trench and these drop out fillers become a problem needed to be solved. Faster removal of debris can be achieved by controlling the laser drilling parameters. Parametric studies have been performed to determine the specification of trench and design rule of material. The optimal desmear process on TMV bottom PoP package developed in this study demonstrates the reliability improvement on follow-up sputtering or filling process. 12 refs. > > > > --- > > > **Title: Direct and flexural shear strength of composite beam with perforbond rib** > Page Range: p.9-18 > Author(s): Dooyong Cho; Jinwoong Choi; Hoseong Jeong > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103150&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > When Perfobond Rib shear connectors are used as flexural materials in structures such as bridges, they show flexural shear behaviour due to external force, rather than direct shear behaviour. The aim of this study is thus to analyse the difference between both behaviours. First, we prepared a specimen to analyse direct shear behaviour using Perfobond Rib shear connectors, analysed the characteristics of behaviour with a push-out test and proposed a formula of shear resistance assessment. Proposed formula shows a relatively good fit with less than 10% error. A flexural shear test was then conducted based on the result of the direct shear test. Based on the static flexural test it analysed the flexural behaviour and the flexural shear stress it calculated. Direct shear stress and EN 1994-1-1 to lead and be calculated, it compared the flexural shear stress and it analysed in about the shear resistance stress which it follows in load direction. Finally, we compared both test results, and the comparison showed that the flexural shear stress is approximately 6% stronger than the direct shear stress. 11 refs. > > > > --- > > > **Title: A study of cutting temperatures in turning carbon-fiber-reinforced-plastic (CRFP) composites with nose radius worn tools** > Page Range: p.19-26 > Author(s): Chung-Shin Chang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103151&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > Nine kinds of carbide nose radius worn tools were used in turning of high-strength carbon-fibre reinforced plastics (CFRP) materials to study the cutting temperature of tip's surface. A new cutting temperature model using the variations of shear and friction plane areas occurring in tool nose wear situations are presented in this paper. The frictional forces and heat generated in the cutting process are calculated by using the measured cutting forces and the theoretical cutting analysis. The heat partition factor between the tip and chip is solved by using the inverse heat transfer analysis, which utilises temperature on the K type carbide tip's surface measured by infrared as the input. The tip's surface temperature is determined by finite element analysis (FEA) and compared with temperatures obtained from experimental measurements. Good agreement demonstrates the proposed model. 15 refs. > > > > --- > > > **Title: Curing residual strain monitoring of carbon fiber reinforced polymer composite using notched long-period fiber grating** > Page Range: p.27-34 > Author(s): Ke-Ping Ma; Chao-Wei Wu; Bo-Lan Fang; Chia-Chin Chiang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103152&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > Composite materials are widely used in the aerospace industry and structural engineering owing to their advantageous mechanical properties. The curing monitoring of composite material is important to ensure the quality of the curing process, especially for the characterisation of residual strains after manufacturing. In this study, we present a notched long-period fibre grating (NLPFG) with a period of 650 mm and a diameter of 66 mm that can be used in the curing monitoring of composite materials. This NLPFG was embedded into the middle layers of composite materials in order to determine the curing residual stress exhibited by the materials. The experimental results showed that the residual stress was about 107 MPa and the axial residual strain was 1490 me. Therefore, the proposed NLPFG has potential as a strain sensor for composite materials. 17 refs. > > > > --- > > > **Title: Mechanical properties of glass bead-modified polymer composite** > Page Range: p.35-44 > Author(s): Tsung-Han Hsieh; Ming-Yuan Shen; Yau-Shian Huang; Qi-Qian He; Hsuan-Chih Chen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103153&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > This present work investigated the adhesive effect of the material properties and fracture toughness of a thermosetting epoxy polymer modified with micron-sized glass beads. Various surface treatments were used to modify the surfaces of the glass beads in order to consider the effect of the glass bead particle/ epoxy adhesion on the material properties and toughness of the polymer-based composites. Adding glass beads into polymer resulted in an increase in the modulus. The maximum value of the modulus was obtained for the polymer composite modified with well-bonded glass beads. The addition of the glass beads to polymers leads to a significant improvement in the fracture toughness. The particle/ matrix adhesion strongly affects the toughness of the glass bead-modified polymers. The coupling agent silane treatment and release agent Frekote treatment caused well-bonded particles and poorly-bonded particles with the epoxy matrix. Both of the surface treatments result in a significant increase in the toughening performance. Toughening mechanisms of plastic void growth and crack deflection caused by the addition of the glass beads were found on the fracture surfaces of the tested specimens. 20 refs. > > > > --- > > > **Title: The effect of MBS toughening for mechanical properties of wood-plastic composites under environmental ageing** > Page Range: p.45-58 > Author(s): Chin-Hsing Chen; Chin-Lung Chiang; Wei-Jen Chen; Ming-Yuan Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103154&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > Wood-plastic composites (WPCs) are a promising environmentally friendly material refers to composite that contain plant powders or fibres as reinforcement and plastic matrix. In this study, an epoxy resin and Methyl metharylate-Butadiene-Styrene Copolymer (MBS) were used as a compatibiliser and toughener and were filled into recycled polyethylene terephthalate (PET) and recycled polyamide 6 (PA6) blends (PET/PA6) and filled with wood flour to prepare the WPCs. The mechanical properties of the WPCs, including the tensile, flexural, and impact properties, with different mixing ratio polymer blends of PET to PA6 (E60/A40, E50/A50, and E40/A60) were investigated under different environmental ageing conditions. The experimental results showed that different environmental conditions, such as temperature and humidity, markedly changed the mechanical properties of the WPCs with different mixing ratio polymer blends. In addition, the mechanisms responsible for the interface of the WPCs were identified by studying the fracture surfaces with field emission scanning electron microscopy. 19 refs. > > > > --- > > > **Title: Characterization and properties of graphene nanoplatelets/XNBR nanocomposites** > Page Range: p.59-68 > Author(s): Chen-Feng Kuan; Chin-Lung Chiang; Su-Hsia Lin; Wei-Guo Huang; Wen-Yen Hsieh; Ming-Yuan Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103155&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > Graphene nanoplatelets (GNPs) are two-dimensional carbon structure materials with single or multilayers graphite plane which possesses attractive characteristics including high electrical conductivity, high modulus, high strength, high thermal conductivity and high specific surface area. In this study, the GNPs were modified by maleic anhydride (MA) and vinyltrimethoxysilane (VTMOS), and then reinforced carboxy NBR (XNBR) to prepare GNPs/nitrile rubber (XNBR) nanocomposites. The modified GNPs were characterised by Fourier Transform Infrared Spectrometry (FT-IR), Raman spectroscopy. The properties of GNPs/XNBR nanocomposite such as thermogravimetric analysis (TGA), thermal conductivity and mechanical properties were investigated. The experimental results show that the successful modification of GNPs can improve the properties of the nanocomposites. 21 refs. > > > > --- > > > **Title: Combined temperature and moisture effect on the monotonic and fatigue strengths of sandwich beams with glass-polypropylene faces and aluminum foam cores** > Page Range: p.69-78 > Author(s): Yi-Ming Jen; Chia-Wei Chang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103156&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > Recently, the sandwich structures with thermoplastic faces and metal foam cores have been received much attention in the automobile, aerospace and naval industries. Since the material properties of the polymer-based faces and adhesive films employed in the sandwich structures are sensitive to the temperature and humidity, the knowledge of the environmental effect on the mechanical properties are important to the design and application of such structures. Therefore, the hygrothermal effect on the static and fatigue bending strengths of the sandwich beams with glass-polypropylene faces and aluminium foam cores were experimentally analysed in the present study. The monotonic and cyclic four-point bending tests were conducted under four environmental conditions, i.e., 25 deg. C/45% RH, 25 deg. C/75% RH, 50 deg. C/45% RH, and 50 deg. C/75% RH, to evaluate the influence of combined temperature and humidity on the strengths against the static and cyclic flexural loads. Experimental results show that the humidity has tiny effect on the static and fatigue strengths when the specimens were tested at fixed temperature. However, the temperature plays an important role in the environmental effect because the monotonic and fatigue strengths of the studied sandwich specimens decrease significantly when the ambient temperature rises from 25 to 50 deg. C. Furthermore, under four considered environmental conditions, two crack systems, the core shear ones and the face/core interfacial ones, were observed both in the monotonic and cyclic tests. The development of interfacial cracks strongly depends on the environmental variables. Accordingly the interfacial cracks play an important role in the static and fatigue strengths of the studied sandwich structures. 37 refs. > > > > --- > > > **Title: Nonlinear dynamic characteristics of PZT/polymer gripper** > Page Range: p.79-84 > Author(s): Jia Xu; Yi-Ran Li; Hai-Bo Wang; Zhi-Wen Zhu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103157&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > A kind of PZT/polymer gripper is proposed in this paper and its nonlinear dynamic response in bounded noise is described. In this paper, a polymer piezoelectric material is applied in gripper to substitute the traditional PZT to improve the response range. Nonlinear differential items are introduced to interpret the hysteretic phenomena of the PZT/polymer piezoelectric composites material, and the nonlinear dynamic model of the PZT/polymer gripper in bounded noise is developed. The dynamic response of the system is obtained, and the bifurcation characteristics of the system are analysed. The results of numerical simulation and experiments show that the stochastic noise intensity has important influence on the system's dynamical response, and the stochastic resonance phenomenon occurs with the stochastic noise intensity variety. 11 refs. > > > > --- > > > **Title: Enhancement mechanism for carbohydrate polymer green lubricant** > Page Range: p.85-90 > Author(s): Shih-Chen Shi; Jhen-Yu Wu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103158&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > The objective of this study was to investigate a mechanism for enhancing the tribological properties of a green polymer material using MoS2, which is a common material with good tribological qualities. In this study, MoS2 nanoparticles were added to the biopolymer Hydroxypropyl Methylcellulose, obtaining an evident enhancement of the tribological behaviour. The suitable content of MoS2 can provide the best structure of the composite film and optimise the transfer layer, and further enhance the tribological properties. The addition of 5-10% MoS2 particles to the polymer can improve the surface roughness up to 60%, reduce the friction coefficient of the thin-film material by more than 40% and reduce the wear rate of the substrate by 65%. The mechanism by which MoS2 additives enhance the tribological properties of the biopolymer material lies in the reduction of the run-in time in the initial stage of wear by modifying the surface roughness. This effect accelerates the formation of a transfer layer of good quality and provides good tribological properties. 18 refs. > > > > --- > > > **Title: Design and simulation analysis of lightweight HDPE milk bottle** > Page Range: p.91-98 > Author(s): Hsing-Hui Huang; Li-Wen Chen; Wei-Hua Lu; Wei-Cheng Lin; Yung-Chuan Chen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103159&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > A lightweight design is proposed for a 2800 ml HDPE milk bottle. In designing the bottle, a threedimensional elastic-plastic dynamic finite element model is first constructed to explore the effect of the bottle thickness on the critical load and stress distribution. The validity of the proposed model is confirmed by comparing the numerical results for the load-displacement response of the bottle with the experimental results. A parametric analysis is then performed to examine the effects of the body thickness and bottom thickness on the critical load and weight of the HDPE bottle. The results show that the critical load increases with an increasing body thickness, but is insensitive to the bottom thickness. Finally, a lightweight design is proposed in which the structural shape of the original bottle is retained, but the thickness is varied in different regions of the body in order to reduce the weight. It is shown that the redesigned bottle achieves the same maximum top-load 315 N, but reduces the weight by 21.4% compared to the reference design obtained in the parametric analysis. 9 refs. > > > > --- > > > **Title: Mechanical property of multiwall carbon nanotube reinforced polymer composites** > Page Range: p.99-104 > Author(s): Chao-Kai Yang; Yu-Roung Lee; Tsung-Han Hsieh; Tao-Hsing Chen; Tsung-Chieh Cheng > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103160&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > This study investigates the multiwalled carbon nanotube as potential mechanical reinforcement in epoxy polymer. It is found that, by adding various concentrations of nanotube, both flow stress and fracture strain increased. Furthermore, the presences of the multiwalled carbon nanotubes are found to nucleate crystallisation in the epoxy. This crystal growth is thought to enhance the strength of composite. The fracture surface analysis of the composite reinforced by carbon nanotube is used the scanning electron microscopy. 16 refs. > > > > --- > > > **Title: Design of radar absorbing structures utilizing carbon-based polymer composites** > Page Range: p.105-110 > Author(s): Sang-Young Kim; Sung-Soo Kim > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103161&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > Radar absorbing structure (RAS) is a composite laminate with a low reflection coefficient for the electromagnetic illumination in microwave frequency range, and thereby can be used in the stealth technology and electromagnetic compatibility (EMC). In this study, microwave absorbing properties of a two-layer composite laminate (carbon black impregnated rubber sheet attached to the carbon fibre-epoxy composite panel) has been investigated. Complex permittivity and permeability of the composite materials were measured in C- and X-band frequencies (4-12 GHz) by reflection/transmission technique using a coaxial waveguide and network analyser. Complex permittivity can be controlled with the amount of carbon black in the rubber composite. High values of dielectric constant and dielectric loss are observed in the carbon fibre composite. Optimisation of microwave absorption is conducted for the two-layer RAS on the basis of transmission line theory. It is found that microwave absorption is strongly sensitive to carbon black content in the rubber composite and its layer thickness. For the rubber sheet containing 10% carbon black (with dielectric constant >>5), the maximum microwave absorption (30 dB) is predicted at 10 GHz. 17 refs. > > > > --- > > > **Title: Shear strength of concrete wide beams shear reinforced with GFRP plates** > Page Range: p.111-118 > Author(s): Min Sook Kim; Joowon Kang; Young Hak Lee > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103162&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > This paper discusses the experimental results on the shear behaviour of concrete wide beams reinforced with glass fibre reinforced polymer (GFRP) plates as shear reinforcement. In order to examine the shear performance, a total of six concrete wide beams were manufactured and tested. All the specimens were designed to have the same number of legs of shear reinforcement. The transverse spacing of shear reinforcement was considered as a variable to investigate the influence of transverse spacing of concrete wide beams. From the test results, it is observed that the shear strength increased when transverse spacing of the shear reinforcement decreased. In addition, an equation is proposed to predict the shear strength of concrete wide beams in order to consider the influence of transverse spacing of the shear reinforcement. The equation is based on the test results and modified ACI 318-14. It is verified that the proposed equation is considered to be better than ACI 318-14. 7 refs. > > > > --- > > > **Title: Residual strength and deformation recovery of RC beams strengthened with FRPs plates under the sustained load** > Page Range: p.119-126 > Author(s): Dooyong Cho; Hoseong Jeong; Kyoungbong Han > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103163&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 26 > Issue No: No.1 > > **Abstract** > In this paper, in order to estimate efficacy, creep recovery, and residual strength of Fibre Reinforced Polymers (FRPs) strengthened Reinforced Concrete (RC) beams, long-term flexural experiments and static flexural experiments were carried out. For the long-term experiments, the beams were strengthened with a Carbon Fibre Reinforced Polymer (CFRP) plate and a Glass Fibre Reinforced Polymer (GFRP) plate respectively. The beams were placed under sustained loads for about 550 days. After the 550 days, all of the beams were unloaded for the measurement of deformation recovery. The deflection and strains of rebars and FRPs reinforcements were measures for about 60 days. As the result of long-terms experiment, the beams strengthened with CFRP plate showed a better performance in terms of deflection and strains of rebars. And the strengthened RC beams were very effective in terms of deflection control. Furthermore, the strengthened beams have shown immediate deformation recovery. Through the static flexural experiments, it was shown that the CFRP strengthened beam had high residual strength. It seems that the sustained loads did not affect bond and residual strength of the beams. 7 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: VISCOELASTIC PROPERTIES OF POLYETHYLENE SYNTACTIC FOAM WITH POLYMER MICROBALLOONS Page Range: p.227-238 Author(s): Lawrence E; Pyrz R File size: 1205K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: VISCOELASTIC PROPERTIES OF POLYETHYLENE SYNTACTIC FOAM WITH POLYMER MICROBALLOONS** > Page Range: p.227-238 > Author(s): Lawrence E; Pyrz R > File size: 1205K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99964&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > > > **Abstract** > The use is investigated of polymeric microballoons in place of glass microballoons for the manufacture of polyethylene syntactic foams. Whilst glass microballoons have good mechanical and thermal properties, they are subject to breaking and shearing during processing. This present study deals with the viscoelastic properties of extruded PE and a foam made from PE and approximately 40 volume percent of polymer microballoons. Results are discussed of creep tests and stress relaxation tests. 6 refs. > > > > --- > > > **Title: HYDROLYSIS OF KEVLAR FIBRES** > Page Range: p.239-246 > Author(s): Lin J-S; Chiu H-T > File size: 1138K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99965&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > **Abstract** > To overcome the problems of debonding of Kevlar fibres when used as reinforcement in composites, surface modification is necessary. The use of hydrolysis is examined as a technique to improve the interfacial bonding between the reinforcement and the polymer matrix. Kevlar fibres were hydrolysed in a concentrated aqueous solution of either sulphuric acid or sodium hydroxide and then characterised by measuring the tensile strength and the interlaminar shear strength. The active sites on the hydrolysed surface were determined by the dyeing-decolourising method. 20 refs. > > > > --- > > > **Title: TRANSPORT OF WATER THROUGH POLYAMIDE-NITRILE RUBBER BLENDS AND ITS INFLUENCE ON MECHANICAL PROPERTIES** > Page Range: p.247-256 > Author(s): Kumar C R; Francis B; Thomas S > File size: 930K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99966&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > **Abstract** > A study is reported of the transport of water through polyamide-nitrile rubber blends with respect to the effect of water absorption on the mechanical properties of the blend. The diffusion of water through the blends was investigated at various temperatures. It was established that the temperature dependence of the diffusion characteristics indicated that the transport mechanism varied with the composition of the blend, its morphology and temperature. In all cases, the diffusion mechanism followed a Fickian trend. Mechanical properties such as tensile strength, modulus and yield stress of PA and blends were found to decrease due to the water uptake. 25 refs. > > > > --- > > > **Title: PROPERTIES OF METAL FIBRE FILLED THERMOPLASTICS AS CANDIDATES FOR ELECTROMAGNETIC INTERFERENCE SHIELDING** > Page Range: p.257-262 > Author(s): Tan S T; Zhang M Q; Rong M Z; Zeng H M; Zhao F M > File size: 495K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99967&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > **Abstract** > Polypropylene based conductive composites were produced using stainless steel fibres as the fillers, and tests were carried out to determine the electrical conductivity, mechanical properties and EMI shielding effectiveness of the composites. The incorporation of stainless steel fibres into PP resulted in inferior mechanical properties, but increased conductivity. Using a blend of PP and PP-g-maleic anhydride instead of PP as the matrix, proved to be effective in balancing the overall properties and meeting the requirements of EMI shielding materials. 13 refs. > > > > --- > > > **Title: RHEOLOGICAL AND MECHANICAL PROPERTIES OF GUM AND FILLED BLENDS OF ACRYLATE RUBBER AND FLUORORUBBER** > Page Range: p.263-274 > Author(s): Kader M A; Bhattacharyya A K; Bhowmich A K > File size: 2157K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99968&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > **Abstract** > A report is presented of results of an investigation into the processability of gum and filled acrylate rubber, fluorocarbon rubber and their blends. The rheological study is carried out at various shear rates and temperatures, and the rheological and viscoelastic properties of these unfilled and filled blends are correlated with blend composition and with the nature and loading of filler. 22 refs. > > > > --- > > > **Title: METALLIC METHACRYLATE AS A REACTIVE FILLER TO REINFORCE ETHYLENE-PROPYLENE-DIENE RUBBER** > Page Range: p.275-282 > Author(s): Peng Z; Zhang Y; Liang X; Zhang Y > File size: 471K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99969&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > **Abstract** > Non-polar EPDM was reinforced by the addition of polar metal salts of methacrylic acid at a high level, followed by peroxide curing. Mechanical properties and crosslink density of the vulcanisates were investigated. Wide-angle X-ray diffraction and FTIR were used to analyse the reactivity of zinc dimethacrylate (ZDMA) in EPDM compounds pre- and post-vulcanisation. It was found that ZDMA or magnesium dimethacrylate can greatly improve the hardness and tensile strength of the vulcanisates whilst retaining a high elongation at break, and that it acts as a reactive filler in the EPDM matrix during peroxide curing. Crosslink density was determined by equilibrium swelling. Covalent crosslinks and ionic crosslinks were distinguished by acidolysis treatment. Ionic crosslinks were improved by increasing the amount of ZDMA, and the relationship between mechanical properties and crosslink density are claimed to indicate that the tensile strength of the vulcanisate is principally dependent on ionic crosslink density. 19 refs. > > > > --- > > > **Title: EPOXY BASED THERMAL STABILISER FOR POLY(VINYLCHLORIDE)** > Page Range: p.283-290 > Author(s): Patel P G; Patel G R; Parmar J S > File size: 462K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99970&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 4 > > **Abstract** > A tetrafunctional epoxy resin was evaluated as a thermal stabiliser for use in PVC compounds. Its stabilising efficiency was tested by yellowness index, HCl liberation, UV absorption, induction time, and changes in the mechanical properties. It was demonstrated that epoxy resins with several epoxy groups are effective in stabilising PVC against dehydrochlorination during processing and use, compared with tribasic lead sulphate. 35 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MULTI-SCALE MODELLING OF LONG-TERM MECHANICAL BEHAVIOUR IN POLYMER COMPOSITE LAMINATES WITH WOVEN FIBRE ARCHITECTURE Page Range: p.297-318 Author(s): Gupta V; Roy S; Dharani L R... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MULTI-SCALE MODELLING OF LONG-TERM MECHANICAL BEHAVIOUR IN POLYMER COMPOSITE LAMINATES WITH WOVEN FIBRE ARCHITECTURE** > Page Range: p.297-318 > Author(s): Gupta V; Roy S; Dharani L R > File size: 2218K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99971&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > > > **Abstract** > An analytical model for predicting the long-term durability of polymer composite laminates with woven fibre architecture is presented, which takes a micromechanics approach towards modelling the out-of-plane viscoelastic behaviour of the laminate. A five-harness satin woven fibre cross-ply composite laminate is investigated, taking into consideration of the weave architecture and time-dependent effects. The classical lamination theory model is adapted to include the in-plane elastic behaviour of woven fibre composites. For the matrix-dominated out-of-plane response, a viscoelastic creep model is employed to model the resin. In addition, physical ageing of the matrix is included in the model, using the effective time theory proposed by Struik. The effect of large deflections and rotations on the time dependent out-of-plane behaviour is also investigated using the micromechanics model. The homogenised in-plane and out-of-plane compliance obtained using the proposed micromechanics methodology could be applied within the framework of a structural finite element code to model the macro-scale long-term behaviour of a woven fabric composite structure, it is maintained. 26 refs. > > > > --- > > > **Title: PARTICLE MOTION AND SEGREGATION IN PISTON DRIVEN FREE SURFACE FLOWS OF VISCOELASTIC FLUIDS** > Page Range: p.319-326 > Author(s): Ogadhoh S O; Papathanasiou T D > File size: 737K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99972&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > **Abstract** > Solid particle motion, redistribution and segregation is investigated in a viscoelastic fluid during piston-driven free surface flows. This phenomenon and its effect on suspension microstructure is examined with particular respect to the injection and compression moulding of composite materials. PMMA particles were dispersed in a hydrated hydroxypropyl guar gel. Particles were observed to move away from the piston and towards the free surface where they slowly accumulate, thus confirming theoretical predictions that in the presence of a normal stress gradient perpendicular to the direction of bulk flow, suspended particles tend to gravitate towards and then remain near the free surface. Simulations show that the speed of this segregation increases with fluid elasticity, shear rate and particle size, in agreement with literature models for the lateral migration velocity of particles in viscoelastic fluids.12 refs. > > > > --- > > > **Title: PHOTOPOLYMERIZATION OF EXO-METHYLENE-1,3-DIOXOLANE WITH BISPHENOL-A-DIGLYCIDYLETHER AND METHYL METHACRYLATE USING PHOTOINITIATORS** > Page Range: p.327-332 > Author(s): Sherif M H; Klemm E; Gunther W; Stadermann D > File size: 415K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99973&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > **Abstract** > The copolymerisation of 2-exo-methylene-4-phenyl,3-dioxolane with bisphenol-A-diglycidylether and methyl methacrylate using a cationic and a radical initiator is described. The structure of the polymers is elucidated by NMR and IR spectroscopy. Using a cationic photoinitiator, the dioxolane structure is maintained in the copolymer and remaining oxirane structures from the bisphenol-A-diglycidylether can be proved. It is demonstrated that no complete ring-opening of the dioxolane takes place in the presence of a radical initiator, leading to statistical polymers with methyl methacrylate. 6 refs. > > > > --- > > > **Title: POLY(BUTYLENE SUCCINATE) COMPOSITES REINFORCED WITH SHORT SISAL FIBRES** > Page Range: p.333-338 > Author(s): Shibata M; Makino R; Yosomiya R; Takeishi H > File size: 1443K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99974&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > **Abstract** > This report describes an investigation into polybutylene succinate reinforced with sisal fibres for the development of a fully biodegradable composite with superior mechanical properties. The influence of fibre length, fibre content and surface treatment of the fibres on the mechanical properties of the composite were evaluated. 18 refs. > > > > --- > > > **Title: PREDICTION OF THE ULTIMATE STRENGTH OF COMPOSITE LAMINATES UNDER IN-PLANE LOADING USING A PROBABILISTIC APPROACH** > Page Range: p.339-344 > Author(s): Kang T J; Cho Y J; Youn J R; Chung K; Lee K W > File size: 425K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99975&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > **Abstract** > A numerical approach is presented for the prediction of ultimate strength of composite laminates. In order to take into account the wide scatter in ply strengths, the basic strength distribution functions for the longitudinal, transverse, and in-plane shear strengths were obtained using a two-parameter Weibull distribution. These functions, in conjunction with the Tsai-Hill failure criterion, were then used to predict the ultimate strength of the composites. 8 refs. > > > > --- > > > **Title: YIELDING AND FRACTURE TOUGHNESS OF GLASS MICROBALLOON-FILLED EPOXY COMPOSITES** > Page Range: p.345-350 > Author(s): Zihlif A M; Ragosta G > File size: 1195K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99976&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > **Abstract** > The yielding and fracture toughness of a glass microballoon filled epoxy resin were investigated as a function of filler content, temperature and strain rate. The variations in the measured mechanical properties are discussed in terms of the observed morphology and thermal behaviour of the epoxy composites. 25 refs. > > > > --- > > > **Title: EFFECT OF CHEMICAL OXIDATION ON THE INTERFACIAL BONDING BETWEEN CARBON FIBRE AND EPOXY RESIN** > Page Range: p.351-359 > Author(s): Lin J-S; Huang Y-H; Chiu H-T > File size: 4571K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99977&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 5 > > **Abstract** > Polypyrrole was deposited onto carbon fibres via the oxidation polymerisation of pyrrole with ferric ions. These Ppy-deposited carbon fibres were then made into composite boards with epoxy resin. The interfacial bonding between carbon fibre and epoxy resin was evaluated by measuring the interlaminar shear strength, tensile strength before and after impact, and flexural strength. 10 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EFFECT OF POLYMERIZATION CONDITIONS ON THE DENSITY AND TG OF BISPHENOL-A AND HEXAFLUOROISOPROPYLIDENE-CONTAINING POLYBENZOXAZINES Page Range: p.367-376 Author(s): Kanchanasopa M; Yanumet N; Hemvichian K; Ishida... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EFFECT OF POLYMERIZATION CONDITIONS ON THE DENSITY AND TG OF BISPHENOL-A AND HEXAFLUOROISOPROPYLIDENE-CONTAINING POLYBENZOXAZINES** > Page Range: p.367-376 > Author(s): Kanchanasopa M; Yanumet N; Hemvichian K; Ishida H > File size: 81K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99978&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > > > **Abstract** > The volumetric expansion of bisphenol-A and aniline-based benzoxazine is studied by comparing the room temperature density of the cured benzoxazine under different polymerisation conditions with the amorphous benzoxazine monomer. The Tg of aniline-based benzoxazine at various degrees of polymerisation is investigated by differential scanning calorimetry, and the degrees of conversion at different polymerisation temperatures were compared with the respective Tg temperatures. A fluorinated polybenzoxazine was synthesised from the ring opening polymerisation of hexafluoroisopropylidene-containing benzoxazine monomer. Properties of the fluorine-containing polymer were compared to those of non-fluorinated polybenzoxazine. The effect of fluorine incorporation on Tg temperature and thermal stability are examined. 29 refs. > > > > --- > > > **Title: CARBON FIBRE-REINFORCED POLY(PHENYLENESULPHIDE) COMPOSITE COATINGS** > Page Range: p.377-384 > Author(s): Sugama T; Gawlik K > File size: 76K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99979&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > **Abstract** > The development is described of a high temperature, high performance corrosion resistant polymeric coating for carbon steel heat exchanger tubes used in geothermal binary-cycle power plants. In order to enhance the thermal conductivity and improve the mechanical properties of polyphenylene sulphide (PPS) used as the coating material, chopped carbon fibres were incorporated into the PPS matrix. Experiments were carried out on steel panels and it was established that 0.5 wt% of fibres was the most effective amount of fibres to minimise the rate of penetration of electrolytes through the composite coating films. Results of testing indicate hydrothermal stability in addition to corrosion resistance. The rough surface texture of the fibres provided mechanical interlocking bonds with the PPS matrix and such interfacial bonding is said to be responsible for the good mechanical properties of the composite film. 11 refs. > > > > --- > > > **Title: EVOLUTION OF DAMAGE ZONE IN ADHESIVE LAYER OF ADHESIVELY BONDED BUTT JOINTS UNDER CYCLIC LOADING** > Page Range: p.385-392 > Author(s): Imanaka M; Turui T; Akizuki Y > File size: 165K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99980&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > **Abstract** > The adhesive layer of a butt joint bonded by rubber-modified adhesive was observed under cyclic loading conditions using a microscopic video camera in transmitted light. Applying Gurson's constitutive equation to the adhesive layer, the elastic-plastic finite element analysis was performed to simulate the damage behaviour in the adhesive layer. It was established that the observed damage zone coincided with the high void fraction zone. These findings establish the modified Gurson model as a useful tool for the estimation of initiation and propagation of the damage zone in the adhesive layer. 15 refs. > > > > --- > > > **Title: ANISOTROPY RELATED 'SPRING-IN' OF ANGLED COMPOSITE SHELLS** > Page Range: p.393-402 > Author(s): Ding Y; Chiu W K; Liu X L > File size: 75K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99981&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > **Abstract** > A 3-D finite element analysis procedure was developed to predict spring-in resulting from anisotropy for both thin and thick angled composite shell structures.. It is believed that such distortion of curved or angled shell structures occurs mainly from the significant difference between the in-plane CTE and the through-thickness CTE during post cure cooling. The results of the FE analysis were evaluated together with those from the analytical study and experimental investigations. FE analysis was demonstrated to provide more accurate results than the analytical model, particularly for thicker composite shells. The corner radius effect, shell thickness effect and lay-up sequence effects on spring-in are discusses, together with the effect of tool/part interaction on the total distortion behaviour. 16 refs. > > > > --- > > > **Title: EVALUATION OF TWO-ROLL MILL METHOD FOR PREPARING SHOT GLASS FIBRE REINFORCED NBR-PHENOLIC COMPOSITES** > Page Range: p.403-408 > Author(s): Rezadoust A M; Esfandeh M > File size: 91K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99982&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > **Abstract** > Preparation of short fibre composites is examined with reference to the use of a two-roll mill, and the effect of fibre length on mechanical properties. In this study, 50 mm glass fibres were used to prepare acrylonitrile-butadiene rubber-phenolic glass fibre composites. Fibre breakage during processing was studied, and the fibre critical length was calculated. On the basis of the critical length, the usefulness of the two-roll mill method for preparing glass-NBR-phenolic composites was assessed. 10 refs. > > > > --- > > > **Title: INTERFEROMETRIC DETERMINATION OF ORIENTED AND SOME OPTICAL PARAMETERS OF ANNEALED POLYESTER FIBRES** > Page Range: p.409-422 > Author(s): Fouda I M; El-Sharkawy F M > File size: 144K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99983&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > **Abstract** > Annealed polyester fibres were investigated by the use of multiple-beam Fizeau fringes in transmission to determine the effects of heat treatment by the determination of refractive indices of their skin and core layers.. Optical orientation parameters were obtained by the application of equations used by Hermans and Ward. Some structural parameters such as electric polarisability, and the density of the samples was measured by a system based on the theory of vibrating strings. The density and optical results were used to calculate the degree of crystallinity, the mean square density fluctuation, the form birefringence, the number on monomeric units per unit volume, the harmonic mean polarisability of the dielectric, and the harmonic mean specified refractive index. 33 refs. > > > > --- > > > **Title: VIBRATION REDUCTION ABILITY OF POLYMERS, PARTICULARLY POLYMETHYLMETHACRYLATE AND POLYTETRAFLUOROETHYLENE** > Page Range: p.423-426 > Author(s): Fu W; Chung D D L > File size: 25K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99984&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 6 > > **Abstract** > A description is given of a comparative study of the vibration reduction ability of a number of polymers: PMMA, PTFE, nylon-66, polyacetal and epoxy resin. The objective of the research is to identify polymers which can be used as vibration damping materials. Of the materials tested, PMMA exhibited the highest loss modulus, while PTFE exhibited the highest loss tangent. A synthetic rubber had an exceptionally low loss modulus, but an exceptionally high loss tangent. Epoxy and acetal exhibited the lowest loss tangent. 14 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: HEAT STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS IN A CONTROLLED ATMOSPHERE. III. THERMAL HOMOPOLYMERIZATION CYCLE OF DICYANATE MONOMERS AND PHYSICOCHEMICAL CHARACTERIZATION OF THE CROSSLINKED... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: HEAT STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS IN A CONTROLLED ATMOSPHERE. III. THERMAL HOMOPOLYMERIZATION CYCLE OF DICYANATE MONOMERS AND PHYSICOCHEMICAL CHARACTERIZATION OF THE CROSSLINKED SYSTEM** > Page Range: p.431-448 > Author(s): Richer S; Alamercery S; Delolme F; Dessalces G; Paisse O; Raffin G; Sanglar C; Waton H; Grenier-Loustalot M F > File size: 325K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99985&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 7 > > > > **Abstract** > The development is discussed of high temperature formulations containing cyanates for use in electronics and structural composites. In order to overcome difficulties relating to the use of thermally stable polymers, it was necessary to develop a hydrophobic matrix. After characterisation of the dicyanate monomers of bisphenol A and hexafluorobisphenol A, the molten state mechanisms and kinetics of homopolymerisation of the prepolymers were studied in order to characterise the side products formed during heat treatment. This was achieved by a detailed physicochemical study and by monitoring the changes over time in controlled conditions of temperature and atmosphere. Using a range of techniques for kinetic and mechanistic monitoring in solution and in the solid state after formation of the network, a thermal cycle was validated with respect to the optimal properties of the system. A comparative study of the chemical and thermal behaviour of the two monomers was carried out to determine the effect of the central pivot bond on the thermal properties of the crosslinked materials. 21 refs. > > > > --- > > > **Title: MICROSTRUCTURAL CHARACTERISATION OF A SYNTACTIC FOAM** > Page Range: p.449-458 > Author(s): Lawrence E; Wulfsohn D; Pyrz R > File size: 159K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99986&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 7 > > **Abstract** > The use of design based stereological methods to quantify the microstructure of syntactic foam, including the interpretation of statistical results for the design of the experimental protocol is presented. The foam, formed by extrusion, consisted of hollow polymeric microballoons in a LDPE matrix. Estimates of cell volume fraction, number density and the mean and standard deviation of volumes of cells were made, and the distribution of cell aspect ratio was estimated, assuming ellipsoidal cells with the major axis in the direction of extrusion. 18 refs. > > > > --- > > > **Title: EFFECT OF THE VULCANIZING SYSTEM OF CURE AND MECHANICAL PROPERTIES OF NBR/EPDM BLENDS** > Page Range: p.459-468 > Author(s): Oliveira M G; Soares B G > File size: 100K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99987&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 7 > > **Abstract** > The effect is investigated of the choice of vulcanising system on the curing parameters and mechanical properties of NBR/EPDM blends. The curing characteristics of the blends were shown to be affected by the accelerator type and the sulphur concentration. Sulphur/benzothiazyl-disulphide and single and binary accelerator systems based on tetramethyl thiuram disulphide were investigated. Higher thermal stability was achieved in blends containing higher levels of sulphur, due, it is thought, to increased crosslinking in the EPDM phase. Results of dynamic mechanical investigations showed differences in Tgs, which increased with increasing the sulphur contents in both vulcanising systems. 27 refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTIES OF POLY(ACRYLIC ACID)/MONTMORILLONITE SUPERABSORBENT COMPOSITES** > Page Range: p.469-472 > Author(s): Lin J; Wu J; Yang Z; Pu M > File size: 48K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99988&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 7 > > **Abstract** > A novel superabsorbent polyacrylic acid/montmorillonite composite with absorbency of about 1100 times its own weight, was synthesised by graft copolymerising acrylic acid onto ultrafine montmorillonite powder. The influence is investigated of the amount of crosslinker, montmorillonite and the degree of neutralisation on the water absorbency of the composites. 6 refs. > > > > --- > > > **Title: PLASTIC DEFORMATION OF FIBROUS POLYMERS VIA WEIBULL MODEL** > Page Range: p.473-482 > Author(s): Juhar G; Saqan S; Zihlif A M > File size: 105K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99989&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 7 > > **Abstract** > A study is presented of the plastic deformation of Kevlar fibres, PAN-based carbon fibres and PP fibres of different gauge lengths. An attempt is reported to fit the Weibull model to the deformation behaviour of these fibrous polymers. A statistical analysis for the fibre strength and breaking strain is presented to test the experimental data relating to the fibre deformation. Mechanical parameters such as fibre strength, breaking strain and Young's modulus are studied as a function of gauge length. The output of the analysis is claimed to support the concept that the Weibull model is a good technique to specify the statistical distribution for strength and breaking strain of fibres, and is suitable to investigate the mechanical behaviour of fibrous polymeric materials in general. 16 refs. > > > > --- > > > **Title: POLYMERS FROM RENEWABLE SOURCES: EFFECTS OF ZINC CHLORIDE ON KINETICS OF GAMMA-IRRADIATION INDUCED GRAFTING OF STYRENE AND ACRYLONITRILE OTO EXTRACTED CELLULOSE** > Page Range: p.483-486 > Author(s): Chauhan G S; Chauhan S; Guleria L K > File size: 48K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99990&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 7 > > **Abstract** > Cellulose extracted from pine needles was graft copolymerised with styrene and acrylonitrile, and the effect of zinc chloride, when used as a complexing agent, on the grafting parameters was studied under optimum reaction conditions using the co-monomer concentration that gave the highest level of grafting. Zinc chloride is shown to affect the grafting on to cellulose, especially for polar monomers, by decreasing its crystallinity and making the backbone accessible to the reacting species. It also forms a donor-acceptor complex with polar monomers and hence activates them for grafting. Graft copolymers were characterised by elemental analysis and FTIR to provide evidence of grafting and to investigate the structure of the grafted chains. 6 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS Page Range: p.491-498 Author(s): Czigany T;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS** > Page Range: p.491-498 > Author(s): Czigany T; Karger-Kocsis J > File size: 150K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99991&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > > > **Abstract** > A study is reported which compares the mechanical performance of plain weft knitted glass fibre fabric- and carbon fibre fabric-polyamide-12 composites at the same reinforcement content. The composite sheets were produced by hot pressing knit layers consisting of staple glass and polyamide-12 and carbon fibre and PA-12 fibres, respectively. Testing was carried out under both static, (tensile, flexural) and dynamic (perforation impact) conditions. Mechanical anisotropy and large differences between the stiffness and strength due to tensile and flexural loading were attributed to the structure of the knits ('unbalanced' reinforcement) and their non-planar structure in the composite sheets. The carbon fibre-reinforced composite was shown to outperform the glass fibre version both under static and dynamic loading, due to the high strength of the carbon fibre and the good interfacial bonding between the carbon fibre and the PA-12 matrix. 14 refs. > > > > --- > > > **Title: ANALYSIS OF MICRODROPLET TEST: EFFECTS OF SPECIMEN GEOMETRY, MATRIX TYPE, FIBRE TREATMENT AND WATER AGEING** > Page Range: p.499-508 > Author(s): Hodzic A; Stachurski Z H; Kim J K > File size: 332K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99992&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > The microdroplet test as a means of characterising the interfacial bond strength in fibrous composite materials is analysed and the effects of specimen geometry, matrix type, fibre treatment and water ageing are investigated. Three thermosetting resins were applied to silane coated and acetone washed glass fibres in order to examine the influence of the silane coupling agent on the fibre-matrix bond. The systems were also aged in water at room temperature for periods of 3, 6, and 10 weeks, and the influence of the water degradation on the fibre-matrix bond is investigated for both groups of glass fibres. Results of the testing indicate that the microdroplet test can reliably be used as a measurement tool in fibre-matrix adhesion testing. 15 refs. > > > > --- > > > **Title: PHASE MORPHOLOGY AND DYNAMIC MECHANICAL PROPERTIES OF MODEL POLYBLOCK COPOLYMERS PREPARED FROM REACTIVE OLIGOMERS** > Page Range: p.509-514 > Author(s): Busko N A; Grishchenko V K; Shtompel V I; Babkina N V; Rosvitsky V F; Privalko V P > File size: 88K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99993&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > Model block copolymers based on styrene and an oligomeric azo-initiator and synthesised by sequential and simultaneous photoinitiated polymerisation were characterised by small angle X-ray scattering and dynamic mechanical analysis. The molar mass characteristics of the block copolymer were shown to be little affected by the method of synthesis, whereas their morphologies and mechanical behaviour in the bulk state were widely different. Glass-rubber transitions of the microphases of each chain component for samples of copolymers produced by simultaneous polymerisation were indicated by SAXS peaks and are claimed to provide evidence of a well-ordered, three-dimensional lattice of isolated styrene domains within a continuous polymer matrix. In contrast, the absence of well-defined SAXS peaks in the same range of scattering vectors for samples synthesised by sequential polymerisation, suggested the existence, it is claimed, of two co-continuous, randomly interpenetrated microphases of styrene and oligomer blocks with a broad distribution of microheterogeneities by size. 13 refs. > > > > --- > > > **Title: REPAIRING BROKEN THERMOSET PIECES USING DIFFUSIONAL PRETREATMENT AND CURE WITH UNCURED RESIN** > Page Range: p.515-522 > Author(s): Abdelouahab J B; Bouardi A E; Granger R; Vergnaud J M > File size: 106K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99994&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > A method to repair a broken moulded thermoset piece is described. It involves the use of an unsaturated polyester in a two stage procedure. The first involves putting pure resin on the surface of the broken piece over a period of time and then putting this pre-treated piece in the mould in which it was originally, with fresh uncured thermoset made of pure resin with fibreglass and filler, to fill the mould and then curing it. The pretreatment resin on the surface of the broken piece is in contact with the fresh uncured thermoset. The mechanical properties in elongation and flexion of the final material are measured, and it appears that not only is the diffusion of pure resin into the part responsible for an increase in mechanical properties, but also that the time of diffusion is influential. 12 refs. > > > > --- > > > **Title: EFFECT OF METHACRYLIC ACID ON THE MECHANICAL PROPERTIES OF PEROXIDE-CURED SBR VULCANIZATES FILLED WITH ALUMINIUM TRIOXIDE** > Page Range: p.523-530 > Author(s): Yin D; Zhang Y; Zhang Y; Peng Z > File size: 223K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99995&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > Methacrylic acid, (MAA) was used as an additive for the modification of peroxide-cured SBR highly filled with aluminium trioxide flame retardant filler. Experimental results indicate that the introduction of MAA can improve the mechanical properties of the SBR vulcanisates, and that the mechanical properties of the SBR vulcanisates depend greatly on the MAA and aluminium trioxide contents. The oxygen index of the SBR vulcanisate depends on the aluminium trioxide content and is shown to be less dependent on the MAA content. Scanning electron microscopy shows the changes in the fractured surfaces of the aluminium trioxide filled SBR vulcanisates after the addition of MAA, which is claimed to be related to the changes in mechanical properties. 14 refs. > > > > --- > > > **Title: KINETICS OF ZINC OCTOATE/NONYLPHENOL CATALYSED THERMAL CURE OF BISPHENOL A DICYANATE** > Page Range: p.531-540 > Author(s): Nair C P R; Gopalakrishnan C; Ninan K N > File size: 128K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99996&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > This study focuses on the detailed kinetics of the catalysed cure of bisphenol A dicyanate (BACY) using zinc octoate/nonylphenol catalyst system and DSC techniques with different analytical approaches. It principally examines the dependency of the kinetic parameters on the catalyst concentration. The data derived, have been used to predict the isothermal cure profile of BACY at different conditions of temperature and catalyst concentration. 31 refs. > > > > --- > > > **Title: ANISOTROPIC BEHAVIOUR OF KNITTED GLASS FIBRE/EPOXY COMPOSITES UNDER COMPRESSIVE AND SHEAR LOADING** > Page Range: p.541-548 > Author(s): Xu D; Huang Z; Ramakrishna S > File size: 274K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99997&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > The anisotropic behaviour of plain and weft knitted glass fibre fabric epoxy composites, oriented at different off-axial angles and subjected to compressive and shear loads is investigated. An analytical model is applied to calculate the compressive strength at nay off-axial angle, by using three critical strength parameters: compressive strengths of 0 and 90 degrees, and the shear strength of 0 degrees. 15 refs. > > > > --- > > > **Title: EFFECT OF KENAF FIBRES ON THE PROPERTIES OF NATURAL RUBBER VULCANIZATES** > Page Range: p.549-560 > Author(s): El-Sabbagh S H; El-Hariri D M; El-Ghaffar M A A > File size: 458K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99998&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > The mechanical properties and swelling behaviour of natural rubber vulcanisates loaded with kenaf fibres were studied using hydrated silica, resorcinol and hexamethylene tetramine as the adhesion system, and are compared with those of NR composites loaded wit synthetic polyester short fibres. The effect of fibre content on these mechanical properties were also studied before and after ageing, and scanning electron microscopy was used to investigate the surface texture of unreinforced and reinforced vulcanisates. 23 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS Page Range: p.491-498 Author(s): Czigany T;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc9-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS** > Page Range: p.491-498 > Author(s): Czigany T; Karger-Kocsis J > File size: 150K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99991&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > > > **Abstract** > A study is reported which compares the mechanical performance of plain weft knitted glass fibre fabric- and carbon fibre fabric-polyamide-12 composites at the same reinforcement content. The composite sheets were produced by hot pressing knit layers consisting of staple glass and polyamide-12 and carbon fibre and PA-12 fibres, respectively. Testing was carried out under both static, (tensile, flexural) and dynamic (perforation impact) conditions. Mechanical anisotropy and large differences between the stiffness and strength due to tensile and flexural loading were attributed to the structure of the knits ('unbalanced' reinforcement) and their non-planar structure in the composite sheets. The carbon fibre-reinforced composite was shown to outperform the glass fibre version both under static and dynamic loading, due to the high strength of the carbon fibre and the good interfacial bonding between the carbon fibre and the PA-12 matrix. 14 refs. > > > > --- > > > **Title: ANALYSIS OF MICRODROPLET TEST: EFFECTS OF SPECIMEN GEOMETRY, MATRIX TYPE, FIBRE TREATMENT AND WATER AGEING** > Page Range: p.499-508 > Author(s): Hodzic A; Stachurski Z H; Kim J K > File size: 332K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99992&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > The microdroplet test as a means of characterising the interfacial bond strength in fibrous composite materials is analysed and the effects of specimen geometry, matrix type, fibre treatment and water ageing are investigated. Three thermosetting resins were applied to silane coated and acetone washed glass fibres in order to examine the influence of the silane coupling agent on the fibre-matrix bond. The systems were also aged in water at room temperature for periods of 3, 6, and 10 weeks, and the influence of the water degradation on the fibre-matrix bond is investigated for both groups of glass fibres. Results of the testing indicate that the microdroplet test can reliably be used as a measurement tool in fibre-matrix adhesion testing. 15 refs. > > > > --- > > > **Title: PHASE MORPHOLOGY AND DYNAMIC MECHANICAL PROPERTIES OF MODEL POLYBLOCK COPOLYMERS PREPARED FROM REACTIVE OLIGOMERS** > Page Range: p.509-514 > Author(s): Busko N A; Grishchenko V K; Shtompel V I; Babkina N V; Rosvitsky V F; Privalko V P > File size: 88K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99993&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > Model block copolymers based on styrene and an oligomeric azo-initiator and synthesised by sequential and simultaneous photoinitiated polymerisation were characterised by small angle X-ray scattering and dynamic mechanical analysis. The molar mass characteristics of the block copolymer were shown to be little affected by the method of synthesis, whereas their morphologies and mechanical behaviour in the bulk state were widely different. Glass-rubber transitions of the microphases of each chain component for samples of copolymers produced by simultaneous polymerisation were indicated by SAXS peaks and are claimed to provide evidence of a well-ordered, three-dimensional lattice of isolated styrene domains within a continuous polymer matrix. In contrast, the absence of well-defined SAXS peaks in the same range of scattering vectors for samples synthesised by sequential polymerisation, suggested the existence, it is claimed, of two co-continuous, randomly interpenetrated microphases of styrene and oligomer blocks with a broad distribution of microheterogeneities by size. 13 refs. > > > > --- > > > **Title: REPAIRING BROKEN THERMOSET PIECES USING DIFFUSIONAL PRETREATMENT AND CURE WITH UNCURED RESIN** > Page Range: p.515-522 > Author(s): Abdelouahab J B; Bouardi A E; Granger R; Vergnaud J M > File size: 106K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99994&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > A method to repair a broken moulded thermoset piece is described. It involves the use of an unsaturated polyester in a two stage procedure. The first involves putting pure resin on the surface of the broken piece over a period of time and then putting this pre-treated piece in the mould in which it was originally, with fresh uncured thermoset made of pure resin with fibreglass and filler, to fill the mould and then curing it. The pretreatment resin on the surface of the broken piece is in contact with the fresh uncured thermoset. The mechanical properties in elongation and flexion of the final material are measured, and it appears that not only is the diffusion of pure resin into the part responsible for an increase in mechanical properties, but also that the time of diffusion is influential. 12 refs. > > > > --- > > > **Title: EFFECT OF METHACRYLIC ACID ON THE MECHANICAL PROPERTIES OF PEROXIDE-CURED SBR VULCANIZATES FILLED WITH ALUMINIUM TRIOXIDE** > Page Range: p.523-530 > Author(s): Yin D; Zhang Y; Zhang Y; Peng Z > File size: 223K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99995&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > Methacrylic acid, (MAA) was used as an additive for the modification of peroxide-cured SBR highly filled with aluminium trioxide flame retardant filler. Experimental results indicate that the introduction of MAA can improve the mechanical properties of the SBR vulcanisates, and that the mechanical properties of the SBR vulcanisates depend greatly on the MAA and aluminium trioxide contents. The oxygen index of the SBR vulcanisate depends on the aluminium trioxide content and is shown to be less dependent on the MAA content. Scanning electron microscopy shows the changes in the fractured surfaces of the aluminium trioxide filled SBR vulcanisates after the addition of MAA, which is claimed to be related to the changes in mechanical properties. 14 refs. > > > > --- > > > **Title: KINETICS OF ZINC OCTOATE/NONYLPHENOL CATALYSED THERMAL CURE OF BISPHENOL A DICYANATE** > Page Range: p.531-540 > Author(s): Nair C P R; Gopalakrishnan C; Ninan K N > File size: 128K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99996&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > This study focuses on the detailed kinetics of the catalysed cure of bisphenol A dicyanate (BACY) using zinc octoate/nonylphenol catalyst system and DSC techniques with different analytical approaches. It principally examines the dependency of the kinetic parameters on the catalyst concentration. The data derived, have been used to predict the isothermal cure profile of BACY at different conditions of temperature and catalyst concentration. 31 refs. > > > > --- > > > **Title: ANISOTROPIC BEHAVIOUR OF KNITTED GLASS FIBRE/EPOXY COMPOSITES UNDER COMPRESSIVE AND SHEAR LOADING** > Page Range: p.541-548 > Author(s): Xu D; Huang Z; Ramakrishna S > File size: 274K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99997&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > The anisotropic behaviour of plain and weft knitted glass fibre fabric epoxy composites, oriented at different off-axial angles and subjected to compressive and shear loads is investigated. An analytical model is applied to calculate the compressive strength at nay off-axial angle, by using three critical strength parameters: compressive strengths of 0 and 90 degrees, and the shear strength of 0 degrees. 15 refs. > > > > --- > > > **Title: EFFECT OF KENAF FIBRES ON THE PROPERTIES OF NATURAL RUBBER VULCANIZATES** > Page Range: p.549-560 > Author(s): El-Sabbagh S H; El-Hariri D M; El-Ghaffar M A A > File size: 458K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99998&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 9 > Issue No: No. 8 > > **Abstract** > The mechanical properties and swelling behaviour of natural rubber vulcanisates loaded with kenaf fibres were studied using hydrated silica, resorcinol and hexamethylene tetramine as the adhesion system, and are compared with those of NR composites loaded wit synthetic polyester short fibres. The effect of fibre content on these mechanical properties were also studied before and after ageing, and scanning electron microscopy was used to investigate the surface texture of unreinforced and reinforced vulcanisates. 23 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Click Here To Logout Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2391 2017 Subscription Rate: £600 Polymers and Polymer Composites Vol. 25, No.6, 2017 View this issue... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.**   [Click Here To Logout](http://journals.asp?Page=111&Action=JournalLogout) > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://ppc.jpg) > ISSN (electronic copy): 1478-2391 > 2017 Subscription Rate: £600 > > > |  | | | > | --- | --- | --- | > | Polymers and Polymer Composites Vol. 25, No.6, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc25-6&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 25, No.5, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc25-5&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 25, No.4, 2017 | ![](http://view1.gif) | [View this 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Polymers and Polymer Composites Vol. 16, No. 4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 8, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 7, 2007 | ![](http://view1.gif) | [View this 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| Polymers and Polymer Composites Vol. 15, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 8, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 7, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 6, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 5, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 4, 2006 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 13, No. 6, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 5, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 4, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 3, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 2, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 1, 2005 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 12, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 8, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 7, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 6, 2003 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 10, No. 8, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 7, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 6, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 5, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 8, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 7, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 6, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 5, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ # Polymers and Polymer Composites > This journal hub brings together issue pages and article-level material related to polymer composites, lightweight structures, performance testing, and applied materials engineering.It gives readers a clean landing page for this subject area while keeping the journal material easy to browse. Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ This journal hub brings together issue pages and article-level material related to polymer composites, lightweight structures, performance testing, and applied materials engineering. It gives readers a clean landing page for this subject area while keeping the journal material easy to browse. --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2391 2019 Subscription Rate: £600 Polymers and Polymer Composites Vol. 26, No.3, 2018 View this issue Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://ppc.jpg) > ISSN (electronic copy): 1478-2391 > 2019 Subscription Rate: £600 > > > |  | | | > | --- | --- | --- | > | Polymers and Polymer Composites Vol. 26, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc26-3&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 26, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc26-2&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 26, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc26-1&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 25, 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issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc25-4&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 25, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc25-3&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 25, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc25-2&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 25, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc25-1&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 24, No.9, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc24-9&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 24, No.8, 2016 | ![](http://view1.gif) | [View this 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> |  | | | > | Polymers and Polymer Composites Vol. 9, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-2&JIP=) | > |  | | | > | Polymers and Polymer Composites Vol. 9, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Polymers and Polymer Composites Vol. 26, No.3, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc26-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 26, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc26-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 26, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc26-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 25, 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Polymers and Polymer Composites Vol. 17, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc17-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No.9, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-9&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No.8, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No. 7, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No. 6, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc16-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 16, No. 5, 2008 | ![](http://view1.gif) | [View this 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| Polymers and Polymer Composites Vol. 15, No. 7, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 6, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 5, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 4, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 3, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc15-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 15, No. 2, 2007 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 14, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 14, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc14-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 8, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 13, No. 7, 2005 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 13, No. 1, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc13-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 8, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 7, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 6, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 5, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc12-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 12, No. 4, 2004 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 11, No. 6, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-6&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 5, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-5&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-4&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc11-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 11, No. 1, 2003 | ![](http://view1.gif) | [View 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| | | Polymers and Polymer Composites Vol. 10, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-3&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-2&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 10, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc10-1&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 8, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-8&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 7, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=ppc&JournalIssue=ppc9-7&JIP=) | |  | | | | Polymers and Polymer Composites Vol. 9, No. 6, 2001 | ![](http://view1.gif) | [View this 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https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PERMANENT, TRANSPARENT, NON-BLOOMING AND NON-HYGROSCOPIC ANTISTATIC AGENTS BASED ON COMBINED NEOALKOXY ORGANOMETALLICS Page Range: p.1-32 Author(s): Monte S J File size: 959K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PERMANENT, TRANSPARENT, NON-BLOOMING AND NON-HYGROSCOPIC ANTISTATIC AGENTS BASED ON COMBINED NEOALKOXY ORGANOMETALLICS** > Page Range: p.1-32 > Author(s): Monte S J > File size: 959K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=99999&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > > > **Abstract** > A new class of antistatic agents are used to prepare antistatic polymer compositions via treatment with selected combinations of neoalkoxy titanates and zirconates and trineoalkoxy zirconates. They are added in minor amounts during compounding to form non-blooming, bipolar layers of dissimilar organometallics, creating a surface and volume electron-transfer circuit, which results in an antistatic effect that works independently of atmospheric moisture. These materials are soluble in, but not limited to polyolefins, polyesters, polystyrenes, polyurethanes, vinyls, elastomers, solvent and waterborne acrylics and coatings, and remain stable during processing. The relative merits and inherent chemistries of the different antistatic agents are discussed, and application data are included for the new organometallic materials. The discussion includes definitions, conventional antistatic chemistry, and methods of improving efficiency of conductive particulates through coupling and catalysis. 19 refs. > > > > --- > > > **Title: HALOGENATED AND NON-HALOGENATED FLAME RETARDANT ADDITIVES IN POLYPROPYLENE (PP) HOMOPOLYMER FOR BATTERY APPLICATIONS** > Page Range: p.33-36 > Author(s): Rangaprasad R; Rangen K; Vasudeo Y B > File size: 374K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100000&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > Experimental work is described to develop flame retardant PP using halogenated and halogen-free additives, to meet V0 requirements according to the UL94 standard for the manufacture of injection moulded battery cases, and to study the effects of the flame retardant on the mechanical properties of PP. The batteries investigated are used as back-up units in the telecommunications industries, and use sulphuric acid as the electrolyte. The effect of flame retardant additives on the heat sealing properties is also investigated. > > > > --- > > > **Title: ANTIOXIDANTS AS SOURCES OF PLASTICS DISCOLORATION: STRUCTURAL EFFECTS** > Page Range: p.37-48 > Author(s): Pospisil J; Habicher W D; Zweifel H; Pilar J; Nespurek S; Piringer O G > File size: 534K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100001&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > The sacrificial transformation of antioxidants is an inevitable consequence of their active role in the protection of plastics from oxidation. The process results in various new products, some of which are responsible for the discoloration of plastics. The chemical structures of the principal colourants arising from phenolic and aromatic amine antioxidants and phenolic UV absorbers are outlined. 23 refs. > > > > --- > > > **Title: SILOXANES AS ADDITIVES FOR PLASTICS** > Page Range: p.49-62 > Author(s): Stadtmueller S > File size: 906K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100002&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > The use is discussed of organomodified siloxanes as additives for plastics for use as modifiers and process aids. The products, due to their modification, combine the efficiency of silicone oils with good compatibility with polymeric resins, and depending on the nature of the organic moiety and the overall molecular weight, organomodified siloxanes can be adapted to special applications within polymers. Functions range from performance additives, lubricants or dispersing agents, as in filled compounds, to surface modifying additives to improve characteristics such as scratch resistance. An evaluation is made of various filled and unfilled PP compounds containing representatives of such organomodified siloxanes processed via extrusion, injection and blow moulding. It was demonstrated that process parameters such as energy consumption, pressure build up and output rate on a twin-screw extrusion line could be increased, and a positive influence on surface properties obtained. 12 refs. > > > > --- > > > **Title: SPECIFIC CONDUCTIVE CARBON BLACKS IN PLASTICS APPLICATIONS** > Page Range: p.63-72 > Author(s): Van Bellingen C; Probst N; Grivei E > File size: 751K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100003&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > Features are described of high structure/low surface area/low surface activity conductive carbon blacks used in plastics applications, with particular reference to grades of Enasco conductive carbon blacks from Erachem Europe. These products can be used at low loadings and with ease of compounding to impart properties to plastics. They are claimed to provide a new generation of compounds which offer a specific balance of compounding, mechanical, flow and conductive properties. 8 refs. > > > > --- > > > **Title: ANALYSING THE CONTENT OF ANTIOXIDANTS IN PP MATERIALS** > Page Range: p.73-82 > Author(s): Schroeder H F; Zeynalov E B; Bahr H; Rybak T > File size: 518K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100004&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > Evidence is presented that the model reaction of the initiated oxidation of cumene can be used for the simultaneous determination of phenolic and hindered amine functionalities of stabilisers, with particular reference to Chimassorb 119 and 944 grades. The condition of the stabiliser is useful for assessing the consumption of stabilisers by different processes during the production, storage, weathering and service life, and is therefor important in the compounding of durable products for recycling and in critical applications. The established dependence offers a way of determining the effective concentration of the active groups of HAS and SHPh stabilisers in polyolefin formulations by means of one model reaction. 30 refs. > > > > --- > > > **Title: USE OF POST-LIFE WASTE AND PRODUCTION WASTE IN THERMOPLASTIC POLYMER COMPOSITIONS** > Page Range: p.83-92 > Author(s): Kowalska E; Wielgosz Z; Pelka J > File size: 746K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100005&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > The management of waste rubbers and plastics and waste from the production of fertiliser phosphogypsum is discussed with reference to their re-use in blends with virgin and recycled polymers. The novel polymer compositions are used to make porous pipes, vehicle parts, flooring, road safety and traffic control equipment, sound absorbing motorway screens, packing in biological wastewater treatment, and biodegradable flower pots, buckets, fencing and similar profiles. Formulations and properties are tabulated. > > > > --- > > > **Title: REVOLUTIONARY LIGHT STABILISER SYSTEM FOR POLYOLEFINS AND OTHER RESINS** > Page Range: p.93-100 > Author(s): Arnaboldi P; Davis L; Samuels S-B; Zenner J M; Vulic I > File size: 751K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100006&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 1 > > **Abstract** > Cytec has developed a new class of light stabilisers which are claimed to provide an extraordinary efficiency in polyolefin systems beyond what is afforded by current state-of-the-art hindered amine light stabiliser (HALS) technology. At equivalent or reduced stabiliser loading, the systems are demonstrated to extend the UV stability of thick section PE and PP. In addition, aesthetic properties such as colour and gloss are improved. The superior performance properties of the new high efficiency light stabilisers, UV-4611 and UV-6435 are shown in studies involving LLDPE, HDPE, and PP. 15 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THERMAL STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS UNDER CONTROLLED ATMOSPHERE. IV- THERMAL STABILITY AND DEGRADATION OF CROSS-LINKED SYSTEMS PREPARED FROM CYANATE MONOMERS Page Range:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THERMAL STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS UNDER CONTROLLED ATMOSPHERE. IV- THERMAL STABILITY AND DEGRADATION OF CROSS-LINKED SYSTEMS PREPARED FROM CYANATE MONOMERS** > Page Range: p.103-120 > Author(s): Richer S; Alamercery S; Raffin G; Sanglar C; Waton H; Grenier-Loustalot M F > File size: 205K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100007&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 2 > > > > **Abstract** > A study is reported on the thermal degradation of cyanate prepolymers and corresponding materials prepared in the molten state by the homopolymerisation of monomers in a controlled atmosphere, (nitrogen), and in the temperature range of 100 to 500 degrees C. Degradation mechanisms are proposed for these materials based on the analysis of physicochemical data obtained by DSC, TGA, gas chromatography-mass spectrometry, and Fourier transform infrared spectroscopy of volatile organic compounds and residues after the thermal cycle. The degradation mechanisms are shown to be dependent on the structure of the carbon skeleton. 8 refs. > > > > --- > > > **Title: NEOALKOXY TITANATE AND ZIRCONATE COUPLING AGENT ADDITIVES IN THERMOPLASTICS** > Page Range: p.121-172 > Author(s): Monte S J > File size: 374K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100008&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 2 > > **Abstract** > A comprehensive review is presented of neoalkoxy titanate and neoalkoxy zirconate coupling agent additives in thermoplastics. Titanates are compared to silanes, and titanate retractability with substrates such as calcium carbonate, carbon black and organic substrates is demonstrated. The superiority of titanates over silanes on silane retractable substrates is shown with respect to filler coupling and polymer catalysis mechanisms. Improvements in properties and cycle times are illustrated by means of application examples. References from literature searches are further discussed. 54 refs. > > > > --- > > > **Title: PROCESSING AND PROPERTIES OF POLYPROPYLENE COMPOSITES WITH HIGH FILLER CONTENT** > Page Range: p.173-182 > Author(s): Ren Z; Shanks R A; Rook T J > File size: 163K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100009&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 2 > > **Abstract** > Tests were carried out on highly filled PP composites with varying filler contents up to 70 wt.%. The fillers used were calcium carbonate, talc and barium sulphate. These underwent surface modification with titanate or silicone. Such surface modification of the fillers facilitated extrusion, and reduced brittleness, while providing hard composites with high density. Tensile properties were measured and related to the composition, filler type and surface treatment. 10 refs. > > > > --- > > > **Title: MODIFICATION OF POLYPROPYLENE BY BLENDING WITH OLIGOPINENE** > Page Range: p.183-188 > Author(s): Mendes L C; Martins B B B > File size: 94K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100010&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 2 > > **Abstract** > The aim of this work is to find a new material by blending PP with oligopinene resins in order to modify the mechanical, adhesive, permeability and sealing properties of PP and to find ways of increasing the usage of pinene oligomers. Changes in the physical properties, melting behaviour and morphology of PP blended with low molar mass oligopinene resin were evaluated. When the amount of oligopinene increased n the blends, the elastic modulus, stress at break, hardness and density all increase, while the elongation at break shows an abrupt drop because of the hard-brittle nature of the oligomer. The blend changes its behaviour from ductile to brittle above 10%-wt. of the oligomer. SEM results indicate that the oligopinene phase is located mainly in the intraspherulitic regions of the PP. 13 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: HIGH YIELD SYNTHESIS OF FLUORINATED BENZOXAZINE MONOMERS AND THEIR MOLECULAR CHARACTERIZATION Page Range: p.191-204 Author(s): Liu J; Ishida H File size: 142K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: HIGH YIELD SYNTHESIS OF FLUORINATED BENZOXAZINE MONOMERS AND THEIR MOLECULAR CHARACTERIZATION** > Page Range: p.191-204 > Author(s): Liu J; Ishida H > File size: 142K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100011&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > > > **Abstract** > The synthesis is reported of previously unknown 3,4-dihydro-3-fluorophenyl-2H-1,3-benzoxazines by the reactions of formaldehyde and bisphenol-A with penta-,tri-, di-, and mono-fluoroaniline, under neutral or acidic conditions. This fluorinated benzoxazine monomer has been developed as a potential precursor for a polybenzoxazine in electronic applications, where its advantages in terms of low dielectric constant, low flammability, low refractive index, low coefficient of friction and high Tg temperature will be used. It is found that the pH value of the reaction medium is the controlling factor in the yield of the compound from weak amines, and that a strongly acidic condition is necessary for the synthesis of similar compounds from other very weak amines. The effects of solvents are discussed. 26 refs. > > > > --- > > > **Title: EFFECTS OF FIBER LENGTH AND SPATIAL DISTRIBUTION ON THE STIFFNESS OF SHORT-FIBER REINFORCED COMPOSITES** > Page Range: p.205-210 > Author(s): Juhlin E; Chen X; Papathanasiou T D > File size: 107K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100012&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > **Abstract** > The results are reported of a computational investigation of the effect of fibre aspect ratio on the stiffness of composite rods reinforced with rigid spheroidal inclusions. Steady-state three-dimensional deformations of composite rods containing up to 50 individual, randomly placed aligned spheroids are considered. Solution of the equations of elasticity for the entire 3D domain yields an effective tensile modulus for the composite rod. Statistical averages of the computed effective moduli are compared to the predictions of the Mori-Tanaka model for the stiffness of the short fibre composites. In addition, the effect is investigated on stiffness of random perturbations in fibre length around a mean value. 15 refs. > > > > --- > > > **Title: EFFECT OF HEAT TREATMENT ON THE FRACTURE TOUGHNESS OF GLASS FIBRE REINFORCED POLYPROPYLENE** > Page Range: p.211-218 > Author(s): Lin J-S; Wu S-K > File size: 114K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100013&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > **Abstract** > The effect is examined of heat treatment on the fracture toughness of glass fibre reinforced polypropylene. PP blended with short glass fibres was injection moulded and heat treated at 150 degrees C for 30 minutes. The crack growth resistance curve was measured to evaluate the effect of heat treatment on the fracture toughness, and to determine the stress intensity factor at the point of instability. The fracture surface was examined using scanning electron microscopy to analyse the fracture mechanism. By measuring the critical fibre length, it is observed that heat treatment changes the fibre-matrix interfacial shear strength and hence affects the mechanical properties of FRP. 28 refs. > > > > --- > > > **Title: DIELECTRIC PROPERTIES OF POLYMERS FILLED WITH DISPERSED METALS** > Page Range: p.219-228 > Author(s): Mamunya Y P; Davydenko V V; Zois H; Apekis L; Snarskii A A; Slipchenko K V > File size: 195K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100014&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > **Abstract** > The dielectric properties are studied of composite materials based on PVC and epoxy resin filled with copper or nickel of various particle sizes and shapes. In addition, two types of particle distribution, random and segregated were produced for composites filled with nickel. The effect of the above factors on the dielectric properties of the composites was studied. The concentration dependence of the dielectric parameters is said to demonstrate a critical behaviour in the percolation threshold region, and the dependence of the dielectric parameters on concentration follows power-law behaviour. A model for the structure which explains the behaviour, is proposed. 26 refs. > > > > --- > > > **Title: IMPROVED STORAGE STABILITY OF LDPE/SBS BLENDS MODIFIED ASPHALTS** > Page Range: p.229-236 > Author(s): Gao G; Zhang Y; Zhang Y; Sun K; Fan Y > File size: 115K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100015&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > **Abstract** > Phase separation has been a major obstacle to the widespread use of polymer-modified asphalt in road surfacing, and to provide a solution to the problem of storage-stable polymer modified asphalts, blends of SBS and LDPE are mixed under high shear stress, and added with sulphur to the asphalt under high speed mixing. Compared to the asphalts modified by LDPE and SBS added directly, the blend modified asphalts showed better storage stability in the presence of sulphur at high temperature, with no visible phase separation or evidence of coalescence. The rheological properties of the asphalts were also improved by the addition of polymers in all cases. 18 refs. > > > > --- > > > **Title: CURE BEHAVIOUR AND STRUCTURE OF DICYANATE-EPOXY NOVOLAC BLENDS** > Page Range: p.237-248 > Author(s): Guo B; Fu W; Jia D; Qiu Q; Wang L > File size: 227K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100016&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > **Abstract** > The objectives of this work are to investigate the cure behaviour and structure of bisphenol A dicyanate-novolac epoxy blends. The cure characteristics were investigated by gel time determination and dynamic DSC. To disclose the structural differences between cured cyanate-novolac epoxy blends and more traditional cyanate-diglycidyl ether systems, FTIR investigations were performed on the two kinds of blends, and in situ FTIR was used to examine the Bauer mechanism. The effects of epoxy concentration in the blend on the cure kinetics was investigated using two blends with different molar ratios, and in situ FTIR. 33 refs. > > > > --- > > > **Title: IMPROVEMENT OF THE FRACTURE BEHAVIOUR OF POLYBUTYLENETEREPHTHALATE MODIFIED BY HIGHLY DISPERSED METALS** > Page Range: p.249-256 > Author(s): Ozden S; Borukayev T A; Mashukov N I; Mikitayev A K > File size: 81K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100017&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 3 > > **Abstract** > The failure mechanism of PBTP was improved by the addition of highly dispersed iron/iron oxide to the polymer. The mechanical behaviour of the materials under impact was investigated, and the addition of highly dispersed iron particles was shown to stabilise the failure mechanism of PBTP and improve its mechanical properties. This was attributed to increased interphases between crystalline and amorphous phases, decreased crystalline size, increased network entanglement density and decreased critical structural defect length. 14 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MECHANICAL PROPERTIES OF SISAL REINFORCED COMPOSITES IN RESPONSE TO WATER ABSORPTION Page Range: p.407-426 Author(s): Rong M Z; Zhang M Q; Liu Y; Zhang Z... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MECHANICAL PROPERTIES OF SISAL REINFORCED COMPOSITES IN RESPONSE TO WATER ABSORPTION** > Page Range: p.407-426 > Author(s): Rong M Z; Zhang M Q; Liu Y; Zhang Z W; Yang G C; Zeng H M > File size: 254K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100031&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > > > **Abstract** > The water absorption behaviour of sisal and the mechanical properties of sisal fibre-reinforced epoxy composites aged in water, are discussed. The effect is examined of a series of fibre pretreatment techniques on the water resistance of sisal and its composites. These include mercerisation, acetylation, cyanoethylation, coupling agent treatment and thermal treatment. An evaluation of these treatments is included, and results show that the water absorption behaviour of sisal composites is controlled mainly by the fibre and the fibre/matrix interfacial properties. Modification of sisal fibres is shown to be necessary to retard water diffusion and enhance interfacial adhesion in order for natural fibre composites to be used in practical applications. 18 refs. > > > > --- > > > **Title: INFLUENCE OF MALEATION OF GROUND RUBBER TYRE (GRT) ON THE THERMORHEOLOGICAL BEHAVIOUR OF THERMOPLASTIC ELASTOMERS BASED ON ETHYLENE PROPYLENE DIENE RUBBER, GRT AND ETHYLENE-CO-ACRYLIC ACID** > Page Range: p.427-432 > Author(s): Naskar A K; De S K; Bhowmick A K > File size: 84K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100032&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > **Abstract** > A study is reported of the thermorheological behaviour of thermoplastic elastomer blends based on both ground rubber from scrap tyres, (GRT) and maleic anhydride grafted GRT, (m-GRT) to determine the influence of the maleation on the GRT in blends with EPDM and ethylene-co-acrylic acid with respect to the rheological characteristics of the blend. Higher storage and loss shear moduli and shear viscosity was noted for the m-GRT based TPE compared to the GRT based TPE composition. An interaction between m-GRT and A-HDPE was evident from the loss tangent spectra of the blends as well as from the die swell of the melt extrudates. The m-GRT based TPE produced smoother extrudates at low shear rates than the blend containing non-maleated GRT. However, at higher shear rates, both compositions showed melt fracture. 16 refs. > > > > --- > > > **Title: ENHANCED PERFORMANCE OF LDPE/SBS BLEND MODIFIED ASPHALT THROUGH DYNAMIC VULCANIZATION** > Page Range: p.433-440 > Author(s): Gao G; Zhang Y; Zhang Y; Sun K > File size: 107K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100033&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > **Abstract** > A blend of LDPE and SBS was used to modify an asphalt, and a storage-stable modified asphalt was prepared by dynamic vulcanisation. The vulcanisation characteristics of the modified asphalt were studied using a strain-controlled rheometer. The vulcanisation of the SBS in the blend-modified asphalt resulted in a marked increase in the torque. The physical properties of the LDPE/SBS blend-modified asphalt containing even a small amount of sulphur were shown to be improved, together with its storage stability. The rheological properties of the blend-modified asphalt before and after the addition of sulphur were characterised using a dynamic shear rheometer and a rotational viscometer. 18 refs. > > > > --- > > > **Title: GLASS FIBER REINFORCED COMPOSITES OF COLOURED EPOXY RESIN CURED WITH DIFFERENT AMINES** > Page Range: p.441-446 > Author(s): Patel M R; Patel M P; Patel R H; Patel R G > File size: 103K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100034&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > **Abstract** > A novel coloured epoxy resin has been synthesised by reaction between epichlorohydrin and bisazodiol. This paper discusses the curing kinetics and thermal stability of the coloured epoxy resin, blended with a conventional epoxy resin in the ratio of 15:85 (w/w) using various amine curing agents. Several glass fibre reinforced composites of coloured epoxy resins and DGEBA resin in the same weight ratio were prepared using diethylenetriamine, triethylenetetramine, p-p-'-diamino diphenyl sulphone and p-p'-diamino diphenyl methane as curing agents in stoichiometric proportions. The fabricated composites were evaluated for mechanical strength, electrical properties, and resistance to various chemicals, and these properties are shown to be related to the effect of the amine structure of the curing agent used. 15 refs. > > > > --- > > > **Title: POLYOLEFIN COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE** > Page Range: p.447-456 > Author(s): Zhu S; Zhang Y; Zhang Y > File size: 132K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100035&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > **Abstract** > Modified and non-modified composites of PP and LLDPE filled with magnesium hydroxide were investigated, and maleic acid anhydride-grafted PP or LLDPE were used as polymeric modifiers, (MAH-g-PP, or MAH-g-LLDPE) to enhance the interaction between the flame retardant filler and the polymer. When LLDPE was partially replaced by MAH-g-LLDPE, it was found that the notched Izod impact strength, tensile strength, and flexural strength of the composites increased, while the modulus decreased. When the PP was partially replaced by MAH-g-PP, the tensile strength and flexural strength of the composites increased, and the impact strength and modulus changed slightly. The phase structure of the composites was characterised using SEM, DMTA, and DSC which provided evidence to suggest an encapsulation of LLDPE or PP around magnesium hydroxide filler particles in the PP/LLDPE composites containing MAH-g-LLDPE or MAG-g-PP. 13 refs. > > > > --- > > > **Title: CYCLOMATRIX PHOSPHAZENE POLYMERS VIA ALDER-ENE REACTIONS** > Page Range: p.457-466 > Author(s): Reghunadhan C P; Sunitha M; Ninan K N > File size: 123K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100036&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > **Abstract** > The Alder-ene cure chemistry was used to design novel thermosets with a view to the development of thermally stable formulations based on cyclotriphosphazenes. The protocol was to design an allyl phenoxy substituted cyclotriphosphazene and effect its cure using a bismaleimide. This paper reports the synthesis, curing and properties of cyclomatrix phosphazene polymers derived from the reaction between allylphenoxy phosphazene and bismaleimide system. 27 refs. > > > > --- > > > **Title: EFFECT OF HEAT TREATMENT ON THERMOMECHANICAL PROPERTIES OF ELECTRON BEAM-CURED EPOXY RESINS** > Page Range: p.467-480 > Author(s): Zhang Z-G; Sui G; Zhone W-H; Sun Z-J > File size: 149K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100037&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 6 > > **Abstract** > A study is described of the effects of thermal post-treatment on electron beam-cured epoxy resins. Dynamic mechanical analyses were performed on samples which differed in EB radiation dose, initiator dose, molecular weight, and molecular weight distribution. The influence of these variables on heat treatment is examined, and studies of the effects of heat treatment on EB-cured bisphenol A epoxy resins provide an understanding of the how technology parameters affect the formation of the crosslinked structure. 16 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: COMPLETE IN-PLANE ELASTIC CHARACTERISATION UNDER TENSILE TESTS OF ANGLE-PLY LAMINATES COMPOSED OF POLYMER-MATRIX LAYERS Page Range: p.483-492 Author(s): Valot E; Vannucci P; Verchery G File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: COMPLETE IN-PLANE ELASTIC CHARACTERISATION UNDER TENSILE TESTS OF ANGLE-PLY LAMINATES COMPOSED OF POLYMER-MATRIX LAYERS** > Page Range: p.483-492 > Author(s): Valot E; Vannucci P; Verchery G > File size: 155K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100038&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > > > **Abstract** > A new strategy is presented which allows for the characterisation of the in-plane elastic properties of a large range of angle-ply laminates using only unidirectional tests. The method uses earlier results for orthotropic laminates in which the conditions of existence of a specific direction apply in which the shear-extension coupling is null. The characterisation of the laminate is made using the results of three tensile tests to produce a pure one-dimensional state of stress. The method can achieve a complete experimental characterisation of the laminate which then does not need any a priori knowledge of the elastic properties of the elementary layer, and provides a simple method by which to verify the predictions of the laminate behaviour obtained by the Classical Laminated Plate Theory when the elementary layer is completely known. Numerical examples and results of some experimental tests are included. 13 refs. > > > > --- > > > **Title: STUDY ON RESIN FLOW THROUGH A MULTI-LAYERED PREFORM IN RESIN TRANSFER MOLDING** > Page Range: p.492-510 > Author(s): Seong D G; Chung K; Kang T J; Youn J R > File size: 445K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100039&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > **Abstract** > The permeabilities are measured in the saturated flow of three kinds of single layered preforms and also of three kinds of multi-layered preforms used in the resin transfer moulding process. A new method of measuring permeability is reported which considers the transverse flow between the two different layers. The proposed method is compared with the weighted average permeability method. The advancement of flow front in multi-layered preforms is investigated theoretically and visualised by a digital camcorder. 26 refs. > > > > --- > > > **Title: IN-PLANE SHEAR MEASUREMENTS OF TEXTILE COMPOSITES WITH LARGE UNIT CELLS USING THE PLATE TWIST TEST** > Page Range: p.511-520 > Author(s): Weissenbach G; Brown D; Limmer L > File size: 193K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100040&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > **Abstract** > In this paper the plate twist test is investigated numerically and experimentally in order to ascertain its applicability to the in-plane shear modulus measurement of advanced woven textile reinforced composite materials. Based on the application of the theory of thin anisotropic plates, a correction factor to compensate for a inboard shift of both loading and supporting points was derived. Corrected shear moduli data compares well with those where the factor by Simms et al is applied. 16 refs. > > > > --- > > > **Title: EFFECT OF PUNCHING DENSITY ON THE MECHANICAL AND THERMAL PROPERTIES OF NEEDLE-PUNCHED NONWOVEN CARBON/PHENOLIC COMPOSITES** > Page Range: p.521-530 > Author(s): Kang T J; Jung K H; Park J K; Youn J R; Lee S G > File size: 173K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100041&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > **Abstract** > The punching density, penetration depth, shape of needle and speed of needling are amongst some of the factors affecting the mechanical properties of needle-punched 3-D preforms. This work reports a study of the mechanical properties of needle-punched non-woven carbon/phenolic composites with different punching densities, and the effect of changes in fibre orientation due to needle punching on the thermal properties of non-woven carbon/phenolic composites. > > > > --- > > > **Title: GRAFT POLYMERIZATION OF VINYL MONOMERS ONTO NANOSIZED SILICON CARBIDE PARTICLES** > Page Range: p.531-540 > Author(s): Ji Q L; Rong M Z; Zhang M Q; Friedrich K > File size: 131K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100042&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > **Abstract** > In order to prepare polymer composites filled with silicon carbide nanoparticles to be used in tribological applications, grafting polymerisation onto the particles was carried out as a way of surface modification in order to tailor interfacial interaction in the composite. The silicone carbide surface was pre-treated with a silane coupling agent, followed by radical grafting polymerisation of acrylamide and styrene respectively. Infrared spectroscopy and measurement of dispersivity in solvent, were used to demonstrate that the desired polymer chains were covalently bonded to the surface of the nanoparticles. In addition, the polymerisation conditions were investigated and the controlling factors were established accordingly. 25 refs. > > > > --- > > > **Title: SILANE MODIFIED FILLERS FOR REINFORCING POLYMERS** > Page Range: p.541-552 > Author(s): Domka L; Krysztafkiewicz; Kozak M > File size: 207K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100043&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > **Abstract** > This work reports on the physicochemical properties of a range of fillers, including synthetic fillers, natural fillers and waste materials such as cement dusts and post-fluor silicas, with reference to their modification with silane coupling agents for use in SBR, PU and PVC compounds. Various types of silane coupling agents (amino-, mercapto-, methacryloxy- and ureidosilanes) were used for surface modification. Results in terms of properties and performance of filled polymers are discussed. 43 refs. > > > > --- > > > **Title: MOLECULAR TRANSPORT OF AROMATIC HYDROCARBONS THROUGH ETHYLENE PROPYLENE DIENE TERPOLYMER** > Page Range: p.553-568 > Author(s): Kumar P V A; Varughese K T; Thomas S > File size: 174K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100044&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 7 > > **Abstract** > This study reports the diffusivity, sorptivity and permeability of four aromatic hydrocarbons through crosslinked EPDM rubber membranes. Results indicate that the nature of the crosslinking system influences the transport process. Vulcanisation was carried out using four different systems: conventional, efficient, semi-efficient, and sulphurless. The influence of penetrant size on sorption behaviour of EPDM is also examined. From the diffusion data, the activation energies of diffusion and penetration, enthalpy and entropy of sorption, interaction parameter, etc. were evaluated. 21 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: STRESS INTENSITY FACTOR FOR AN ELLIPTIC INCLUSION IN ORTHOTROPIC LAMINATES SUBJECTED TO FREEZE-THAW: MODEL VERIFICATION Page Range: p.571-588 Author(s): Roy S; Nie G H; Karedla... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc10-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: STRESS INTENSITY FACTOR FOR AN ELLIPTIC INCLUSION IN ORTHOTROPIC LAMINATES SUBJECTED TO FREEZE-THAW: MODEL VERIFICATION** > Page Range: p.571-588 > Author(s): Roy S; Nie G H; Karedla R; Dharani L > File size: 208K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100045&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > > > **Abstract** > An analytical formulation is presented which has been developed and validated for use in calculating the stress intensity factor due to water-ice inclusion in both transversely ISOTROPIC and ORTHOTROPIC matrices. By use of finite element analysis, it was established that the stress field in the vicinity of an elliptical inclusion was an acceptable analytical idealisation by which to obtain the stress intensity for a crack with ice inclusion. Results are discussed which indicate that the stress state in a slender elliptic elastic inclusion can be used to approximate the stress field at the crack face, which could subsequently be adopted to determine the stress intensity factor. Analyses of the delamination and fatigue life prediction for freeze-thaw cycling are provided as specific applications of the model. 13 refs. > > > > --- > > > **Title: EFFECT OF FIBER SURFACE TREATMENT ON MECHANICAL PROPERTIES OF POLYETHYLENE/EPOXY COMPOSITES** > Page Range: p.589-598 > Author(s): Higuchi Y; Tadayoshi S; Mizoguchi M; Fukui T; Hamada H > File size: 427K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100046&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > **Abstract** > The performance of a rehabilitated pipe is examined with respect to the effects of fabric surface treatments on the performance of the structural composites used to rehabilitate the pipeline, and in particular, the effects on performance, created as a result of the permeability of the resin to the fibre bundles. Results are reported of tensile and pipe performance tests carried out on PE/epoxy materials in which the PE fibres were pre-treated to remove the binder and/or sized. It was shown that the tensile modulus of the composites was increased by pre-treatment and that the tensile strength remained almost the same. The strength retention of pre-treated composites was higher than that of composites with both a binder and a size. Differences in pipe performance were caused by the different interphase resulting from pre-treatment and/or sizing. 7 refs. > > > > --- > > > **Title: EVALUATION OF GLASS FIBRE/EPOXY PREPREG QUALITY DURING STORAGE** > Page Range: p.599-606 > Author(s): Ji J K; Wei C Y; Deng W H; Zhang Y S; Liu Y L; Mao R Z; Wang X > File size: 87K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100047&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > **Abstract** > Characterisation methods are reported which are used in the evaluation of chemical changes to glass fibre/epoxy prepregs during storage in an environment chamber. Such methods included infrared spectroscopy, thermal analysis and other chemical methods to measure the volatile and insoluble components content. Precuring is found to take place during storage as a result of a chemical reaction between some epoxide groups. Tests were carried out on laminates made from prepregs that had been degraded to different degrees, and flexural and tensile properties were found to be significantly reduced as a consequence of the increase in the precured degree of the prepregs. 11 refs. > > > > --- > > > **Title: EFFECT OF HEAT TREATMENT ON THE IMPACT STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE** > Page Range: p.607-618 > Author(s): Lin J-S > File size: 169K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100048&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > **Abstract** > An alternative method of improving the impact strength of glass fibre reinforced polypropylene by the use of heat treatment is described. Heat treatment is applied to injection moulded specimens in order to adjust the interfacial adhesion and hence the effectiveness of the transfer of stress from matrix to fibre. The interfacial adhesion is determined by measurement of the critical fibre length, which can be used to evaluate the effect of heat treatment on the impact strength of glass fibre-reinforced PP specimens. Results showed that impact strength increased with the testing temperature. At 25 degrees C, the impact strength was dominated by the fibre fracture mechanism, and at temperatures above 120 degrees C, it was found to be strongly influenced by the PP matrix, and at higher temperatures, the impact strength increased significantly because of the formation of extra cracks. 16 refs. > > > > --- > > > **Title: RHEOLOGICAL AND MECHANICAL PROPERTIES OF PC/HDPE/GLASS FIBER COMPOSITES** > Page Range: p.619-626 > Author(s): Chaoqin L; Zhang Y; Zhang Y; Zhang C > File size: 278K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100049&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > **Abstract** > Whilst polycarbonate is a widely used engineering polymer, its tendency to notch sensitivity and crazing, together with its high melt viscosity and processing problems, have led to attempts to use it in blends with polyolefins. This, however, leads to a reduction in tensile and flexural strengths and stiffness. This paper, therefore, investigates the rheological and mechanical properties of polycarbonate in blends with HDPE and glass fibres. Maleic anhydride grafted LDPE was used as a compatibiliser, and tests were carried out on composites with and without the compatibiliser. LDPE-g-MAH in the composite was shown to improve the reinforcement efficiency of the glass fibres and strengthen the adhesion between polymer matrix and glass fibres, leading to good mechanical properties. 16 refs. > > > > --- > > > **Title: CRITICAL REVIEW OF POLYMER-BASED COMPOSITE AUTOMOTIVE BUMPER SYSTEMS** > Page Range: p.627-636 > Author(s): Sapuan S M; Suddin N; Maleque M A > File size: 137K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100050&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > **Abstract** > A review is presented of automotive bumper systems with reference to design, materials selection and function. A description is given of bumper components and a critical review of polymer-based bumper systems with specific methodology, are provided. Advantages and disadvantages of polymer based composite materials, compared to those of traditional steel materials, are discussed, together with factors which need to be considered in the selection of a bumper system. 33 refs. > > > > --- > > > **Title: CHARACTERISATION OF POLYETHYLENE FILM BLENDS POUCHES BY DIFFERENTIAL SCANNING CALORIMETRY** > Page Range: p.637-640 > Author(s): Suman M > File size: 62K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100051&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 10 > Issue No: No. 8 > > **Abstract** > Differential scanning calorimetry is used for the characterisation of LDPE/LLDPE blends used in the production of packaging pouches. The use of DSC is described to explain the inadequate machinability of film pouches, and to demonstrate how improvements can be obtained by an increase in the LLDPE component. 10 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MICROSTRUCTURAL EFFECTS ON DAMAGE BEHAVIOUR IN PARTICLE REINFORCED COMPOSITES Page Range: p.1-8 Author(s): Kwon Y W; Liu C T File size: 262K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MICROSTRUCTURAL EFFECTS ON DAMAGE BEHAVIOUR IN PARTICLE REINFORCED COMPOSITES** > Page Range: p.1-8 > Author(s): Kwon Y W; Liu C T > File size: 262K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100052&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > > > **Abstract** > A discussion is presented on the effects of non-uniform, random particle distribution on damage initiation and growth, leading to short cracks and breakage of particle reinforced composite specimens. Damage was described a the micro-level, and results were compared qualitatively and quantitatively with experimental observation, with good agreement. It was found that non-uniform, random particle distribution yielded sporadic crack initiation and growth within a uniform tensile specimen. No local crack propagated beyond a certain size, and breakdown of the specimens was not caused by the continuous growth of a single critical crack. Rather, it is maintained, coalescence of neighbouring sporadic short cracks resulted in the breakage of the specimens. The use of computer simulation demonstrated that random particle distribution affected the strength of the composite, but not its effective stiffness. However, a pre-existing crack in the specimen before loading, the effect of the random particle distribution on the initial crack and strength of the composite proved to be near negligible. 13 refs. > > > > --- > > > **Title: INVESTIGATION OF OIL PALM AND PINEAPPLE FIBER REINFORCED PHENOL FORMALDEHYDE COMPOSITES BY ACOUSTIC EMISSION TECHNIQUE** > Page Range: p.9-18 > Author(s): Sreekala M S; Czigany T; Romhany G; Thomas S > File size: 344K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100053&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > **Abstract** > Several types of oil palm and pineapple fibre reinforced phenol formaldehyde composites were investigated by fracture mechanics and acoustic emission response. It was found that the fracture behaviour was influenced by the fibre content, the length of the fibres and the condition of the fibre-matrix interface. Single edge-notched tensile specimens were cut from composite plates and examined, and the fracture toughness was determined from force-elongation curves. Results showed that the failure mode for untreated and treated fibres varied, and that surface treatment of the fibres was more important than the fibre content. 9 refs. > > > > --- > > > **Title: SYNTHESIS OF GRAFT COPOLYMERS OF ACRYLAMIDE AND COMONOMERS ON TO CELLULOSE: A STUDY OF THE EFFECT OF COMONOMER ON POLYMER YIELDS, STRUCTURE AND PROPERTIES** > Page Range: p.19-30 > Author(s): Chauhan G S; Guleria L; Lal H > File size: 211K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100054&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > **Abstract** > This work reports on the grafting of acrylamide alone onto cellulose extracted from pine needles, as well as in the form of its binary monomer mixture with acrylic acid, hydroxyethyl methacrylate, glycidyl methacrylate, and acrylonitrile, using benzoyl peroxide as a free radical initiator. Optimum grafting conditions of acrylamide onto cellulose (concentrations of initiator and monomer, reaction time and temperature, and amount and composition of the solvent system) have been evaluated and the same grafting conditions have been used for comonomers to be grafted separately with acrylamide using five different concentrations of comonomer. Graft copolymers are characterised by SEM, FTIR, and thermal analysis techniques. Grafting of acrylamide onto cellulose enhances the hydrophobicity of the backbone, providing a novel reactive polymeric material for use in separation and enrichment applications. As such, the study provides a basis for the synthesis of graft copolymers for speciality applications. 18 refs. > > > > --- > > > **Title: EFFECT OF A TWO STEP FIBER TREATMENT ON THE FLEXURAL MECHANICAL PROPERTIES OF SISAL-POLYESTER COMPOSITES** > Page Range: p.31-36 > Author(s): Calado V; Barreto D W; d'Almeida J R M > File size: 72K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100055&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > **Abstract** > Sisal fibres were chemically treated with a two-step treatment involving immersion in a sodium sulphide aqueous solution, followed by an acetic anhydride/acetic acid mixture, in order to promote better adhesion to a polyester resin matrix. The flexural properties of the composites was analysed as a function of the time of immersion in distilled water. The results show that the chemical treatment improved the fibre/matrix interaction as revealed by the brittle behaviour of the composites reinforced with the treated fibres, and also improved the composite behaviour in relation to moisture. The long term behaviour of the composites exposed to water was however, not improved, which could be due, it is proposed, to the controlling role of plasticisation of both the fibres and the resin matrix for the longer times of immersion. 29 refs. > > > > --- > > > **Title: USE OF AMMONIUM SALTS OF OLIGOSULPHONIC ACIDS AS FLAME RETARDANTS FOR POLYMER COMPOSITIONS** > Page Range: p.37-50 > Author(s): Karaivanova M S > File size: 164K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100056&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > **Abstract** > This work studies the effects of the ammonium salts of N- and Br-N-containing sulphonic acids as fire retardants on the flammability characteristics of both polychloroprene and ethylene-propylene rubbers for use in the manufacture of fire resistant cable insulation and conveyor belting respectively. The investigated organic additives were proved to act as flame retardants, smoke reducing agents and thermal stabilisers in these compositions. When combined with Sb2O3, these additives show synergism and their action occurs in the gaseous phase on combustion. 51 refs. > > > > --- > > > **Title: ORIENTATION EFFECT IN POLY (BUTYLENE SUCCINATE) FIBRES** > Page Range: p.51-56 > Author(s): Nakayama K; Masuda T; Cao A; Vega-Baudrit J; Pereira R > File size: 126K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100057&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > **Abstract** > To investigate the biodegradation mechanism of aliphatic polyesters such as polybutylene succinate, fibres of polybutylene succinate were prepared using a single-screw extruder at various take-up speeds. Changes in fibre structure, morphology and physical properties were investigated using sonic velocity measurements and X-ray diffraction. High take-up speeds were shown to enhance some of the properties of polybutylene succinate fibres as a consequence of changes in molecular orientation and crystallinity. Spherulites of polybutylene succinate were also obtained at 90 degrees C. 5 refs. > > > > --- > > > **Title: STUDY OF POLYAMIDE-IMIDE RESIN/COPPER FOIL COMPOSITE MATERIALS** > Page Range: p.57-67 > Author(s): Chou S; Lee K-S > File size: 352K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100058&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 1 > > **Abstract** > In this research, monomers such as 3,4'-oxydianiline (3,4'-ODA) and p-aminobenzoic acid were used to synthesise a high temperature resistant polyamide-imide resin, and the NHCO (amide) group was introduced into the molecular chain to improve the resin's melt flow, solubility and adhesion. Also, without using any coupling agent, two layers of copper foil laminate were formed by hot press gluing. Tests for void content, moisture content, adhesive bond moisture resistance, heat and chemical resistance, dielectric constant, dissipation factor, and surface analysis were carried out to evaluate the properties of the laminates for heat resistant, high performance applications. 13 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: A NOVEL COUPLING AGENT TECHNOLOGY Page Range: p.71-79 Author(s): Scofield J D; Bloyce P E; Thetford D; Rothon R; Liauw M File size: 119K Download... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: A NOVEL COUPLING AGENT TECHNOLOGY** > Page Range: p.71-79 > Author(s): Scofield J D; Bloyce P E; Thetford D; Rothon R; Liauw M > File size: 119K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100059&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > > > **Abstract** > Results from the development of a novel coupling agent technology soon to be commercialised, are described. Potential coupling agents were studied including carboxylic acid or cyclic anhydride groups as the coupling agent-to-filler bonding group. On the grounds of cost effectiveness and safety and ease of handling, a particular low molecular weight oligomeric carboxylic acid, containing high reactivity double bond per molecule, was selected for further study. This materials is referred to as Solplus C800. Particular reference is given to the performance of the technology in ATH filed EVA systems, and to its benefits over existing coupling agent technologies. 5 refs. > > > > --- > > > **Title: EFFECT OF TESTING CONDITIONS ON PERFORMANCE AND DURABILITY OF STABILISERS IN PLASTICS** > Page Range: p.81-90 > Author(s): Pospisil J; Horak Z; Pilar J; Nespurek S; Billingham N C; Habicher W D > File size: 87K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100060&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > The understandable trend to increase the durability of stabilised materials requires the application of reproducible and reliable accelerated testing methods, which allow for the adjustment of additive formulations whilst matching the commercial requirements, and allowing lifetime predictions, it is argued. However, the harshness of the testing method affects the individual processes involved regarding their activation energies and mechanisms, the physical relations in the polymer-stabiliser system, and the chemical and physical processes accounting for the consumption of stabilisers. The principal factors affecting any comparison of accelerated results with natural testing are outlined. 30 refs. > > > > --- > > > **Title: ADDITIVES WITH DUAL FUNCTION - ACRYLATE ESTER COPOLYMERS AS MODIFIERS FOR ENGINEERING POLYMERS AND AS CARRIER RESIN FOR MASTERBATCHES** > Page Range: p.91-100 > Author(s): Hausmann K; Chou R > File size: 156K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100061&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > The use is described of a family of ethylene copolymers for use as polymeric modifiers in engineering plastics and with the dual function of carrier resins for masterbatches. The copolymers are characterised through a very heterogeneous molecular architecture and thus, an enhanced compatibility with other polymers and fillers, making them suitable for use as either compatibilisers or impact modifiers, and also, due to their high filler acceptance, as carrier resins. The copolymers, known as Elvaloy AC, can be produced with both a high comonomer content and a low melt flow index. They are copolymers of ethylene and acrylate esters, which are produced by a high pressure free radical polymerisation process using a tubular reactor. 4 refs. > > > > --- > > > **Title: THE WHY, WHAT AND WHEREFORE OF ANTIMICROBIAL SYSTEMS** > Page Range: p.101-113 > Author(s): Simmons J > File size: 381K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100062&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > The use of antimicrobial systems in plastics products is discussed, with particular reference to the products from Wells Plastics. It is emphasised that it is important to choose the correct system to suit the product and its intended application, and that the efficacy of the antimicrobial system must be verified through appropriate antimicrobial testing. Antimicrobial test methods such as the halo and viable count methods are described. 12 refs. > > > > --- > > > **Title: IMPROVEMENT OF THE PROPERTIES OF POLYETHYLENE WITH CHLORINATED POLYETHYLENE (CPE)** > Page Range: p.115-122 > Author(s): Marossy K; Barczy P > File size: 138K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100063&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > Blends of HDPE and chlorinated polyethylene (CPE) are tested across the whole concentration range to determine improvements in properties of thus modified polyethylene. Conventional mechanical tests and dynamic mechanical tests were carried out. The blends were found to be multiphase systems of excellent technological compatibility. Between 10-15% by weight CPE was found to increase the modulus of PE. The results of analysis by X-ray scattering showed that the blends contained structural units not present either in the polyethylene or in the CPE. In addition, the blends are melt processable. 7 refs. > > > > --- > > > **Title: DEGRADATION OF POLY(VINYL CHLORIDE) WITH DIFFERENT ADDITIVES STUDIES BY MICRO RAMAN SPECTROSCOPY** > Page Range: p.123-132 > Author(s): Gupper A; Wilhelm P Schiller M > File size: 138K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100064&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > Raman spectroscopy was used to study the thermal degradation of PVC. Intensity enhancements of vibrations belonging to conjugated double bond sequences in the corresponding spectra allowed for the detection at the very first stage. In this initial period, the kinetics of degradation showed a linear increase in conjugated sequences. The influence of additives (calcium stearate, zinc stearate and zinc chloride) on the resistance of PVC to thermal stress was investigated by the same method, and results are compared with those for unstabilised PVC. A positive development in thermal behaviour was observed upon stabilisation, and predicted reaction mechanisms for single components were confirmed. 9 refs. > > > > --- > > > **Title: EXCELLENT FLOW- AND CONVEYANCE- BEHAVIOUR, LOW DUST EMISSION AND OUTSTANDING PROPERTIES OF HALOGEN FREE FLAME RETARDANT COMPOUNDS REALIZED BY A NEW GENERATION OF ALUMINIUM-TRI-HYDRATE** > Page Range: p.133-140 > Author(s): Sauerwein R > File size: 1204K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100065&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > This paper presents a new generation of non-post treated fine precipitated aluminium trihydrate (ATH), which is claimed to offer excellent powder processing and also outstanding compound properties in its use as a flame retardant additive. Details are given of the performance of Apyral 40CD in wire and cable applications, and in the compounding industry, where large productivity benefits can be realised, it is demonstrated. > > > > --- > > > **Title: BLOWN FILMS FROM LINEAR LOW DENSITY POLYETHYLENE INCORPORATING BIODEGRADABLE ADDITIVE** > Page Range: p.141-144 > Author(s): Kale N; Jani K; Awate S; Rangaprasad R; Vasudeo Y > File size: 55K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100066&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > Results are discussed of the use of a biodegradable additive in blown LLDPE films. The degradation additive/promoter, based on a complex mixture of natural polymers and catalysts, was converted into a 50% masterbatch in LLDPE at different levels, and the properties of the blown films derived therefrom were investigated. The films were subjected to real time degradation tests using natural soil and under vermicompost conditions. > > > > --- > > > **Title: A NOVEL ADDITIVE CONCEPT FOR THE STABILISATION OF ABS** > Page Range: p.145-152 > Author(s): Wegmann A > File size: 217K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100067&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > Details are given of a new liquid sterically hindered phenolic antioxidant, which besides imparting excellent thermal stability to the grafted rubber phase of emulsion ABS, can be dosed with a low margin of error, and easily emulsified. Such an emulsion, is claimed to have very good storage stability, and mixes well with the aqueous ABS latex. To reduce the initial colour of ABS after processing, new synergistic process stabilisers, based on lactone chemistry, have been developed. These new stabilisation concepts for ABS graft phase and ABS graft compounds, are shown to significantly improve the technical performance of ABS compounds. 1 ref. > > > > --- > > > **Title: STABILIZATION OF SYNDIOTACTIC POLYSTYRENE OBTAINED IN PRESENCE OF CpTiCl2(OC6H4Cl)/MAO CATALYST** > Page Range: p.153-158 > Author(s): Kowalska E; Skupinski W; Wozniewski T; Wielgosz Z; Borensztejn M > File size: 114K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100068&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 2 > > **Abstract** > The stabilisation of syndiotactic polystyrene, obtained in the presence of the original cyclopentadienyl (p-chlorophenoxy) dichlorotitanium (IV)/methylaluminoxane catalytic system, was investigated. Use of this catalytic system, syndiotactic polystyrene melted in the temperature region of 250-260 degrees C, giving a wider temperature window for processing. Five types of commercial antioxidant and stabilisers were used, together with two specially synthesised stabilisers. These were used in amounts from 0.05 to 1.0 wt.%, and the stability of unstabilised and stabilised syndiotactic polystyrene in a moulding process was evaluated by measuring the melt flow rate in a plastometer, and after four extrusion passes. A second method for the evaluation of the stability of sPS was the measurement of the Index of Thermal Stability. Results of the trials are given. 14 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MILLED CARBON MICROFIBER-REINFORCED POLY(PHENYLENESULFIDE) COATINGS FOR ABATING CORROSION OF CARBON STEEL Page Range: p.161-169 Author(s): Sugama T; Gawlik K File size: 109K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MILLED CARBON MICROFIBER-REINFORCED POLY(PHENYLENESULFIDE) COATINGS FOR ABATING CORROSION OF CARBON STEEL** > Page Range: p.161-169 > Author(s): Sugama T; Gawlik K > File size: 109K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100069&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > > > **Abstract** > Recent advances in milling technology have made it possible to produce an extremely short carbon microfibre which retains all of its mechanical properties and the filament's shape. Use of such a short fibre enables a substantial amount of it to be incorporated into a polyphenylene sulphide protective coating for use on steel. The emphasis of the current study is to assess the effectiveness of this milled carbon microfibre in enhancing further the thermal conductivity and the mechanical properties of the carbon fibre-reinforced PPS composite coating. Results of tests showed that the composite coatings were able to protect underlying carbon steel against corrosion in 250 degrees C carbon dioxide-laden brine. The reason for the hydrothermal stability is reported to be conformational changes in the molecular structure of the PPS, from sulphide bridging to sulphone bridging, which increased the thermal stability of the matrix. 9 refs. > > > > --- > > > **Title: DIELECTRIC PROPERTIES OF COMPOSITES OF MULTI-WALLED CARBON NANOTUBES IN A RESIN MATRIX** > Page Range: p.171-178 > Author(s): Allaoui A; Bai J B; Rieux N > File size: 130K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100070&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > **Abstract** > The dielectric properties of a multi-walled carbon nanotube (MWNT)/epoxy composite are studied by impedance spectroscopy. Results showed that the addition of a small amount of MWNT increases the permittivity of the resin by many orders of magnitude. The insulator-to-conductor transition, which occurred when a few wt% of MWNTs was added to the matrix, is said to be related to a percolation phenomenon with non-universal critical exponent. Two types of MWNTs treatment are compared, and the results are claimed to demonstrate that MWNTs should be used in as-prepared state. The treatment is shown to alter their morphology, and reduce the aspect ratio by a factor of 10, leading to a modification of the shape of the insulator-to-conductor transition curve and a decrease of the global improvement. 15 refs. > > > > --- > > > **Title: POLYAMIDE REINFORCED EPDM COMPATIBILIZED WITH MALEIC ANHYDRIDE GRAFTED ETHYLENE-PROPYLENE-DIENE RUBBER** > Page Range: p.179-188 > Author(s): Liu X; Huang H; Zhang Y; Zhang Y > File size: 128K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100071&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > **Abstract** > Vulcanisates of blends of EPDM and polyamide copolymer were prepared by reactive compatibilisation using maleic anhydride grafted EPDM. The influence is investigated of compatibilisers, crosslinking agents, and blend composition on the mechanical properties. The morphologies of the blends were determined by scanning electron microscopy. It was found that the addition of MAH-g-EPDM reduced the particle size of the dispersed phase. The stability of the blend was measured by thermal ageing at high temperatures in the presence of the compatibiliser. Both dynamic mechanical thermal analysis and differential scanning calorimetry experiments were carried out to investigate the effect of MAH-g-EPDM addition on the Tgs of the blend components. It was demonstrated that the addition of amide copolymer caused significant improvement in the tensile properties of these blends. 15 refs. > > > > --- > > > **Title: MORPHOLOGY AND MECHANICAL BEHAVIOUR OF POLY(3-HYDROXYBUTYRATE)/FUNCTIONALIZED ETHYLENE COPOLYMER BLENDS** > Page Range: p.189-196 > Author(s): Dias M L; Giornes A M; Mendes L C > File size: 92K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100072&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > **Abstract** > Tests were carried out to determine the morphology and mechanical properties of blends prepared from polyhydroxybutyrate and ionomers formed by copolymerisation of ethylene and methacrylic acid, either in the acid form, or partially neutralised with zinc and sodium. Results revealed that the type of processing and residence time of the components in the equipment, together with the ionomer content, had a great influence on the blend properties. An increase was observed in the molecular weight of polyhydroxybutyrate as the ionomer content increased in the blends, which is reported to indicate that exchange reactions occurred during the mixing process which took place using either an internal mixer or a twin screw extruder. The extent of these reactions and the residence time in the equipment led to variations in the mechanical properties, with the best elongation values obtained using the internal mixer and a higher ionomer content. 11 refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTIES OF AMIDE-CONTAINING BISNADIMIDE COPPER FOIL COMPOSITES** > Page Range: p.197-212 > Author(s): Chou S; Lee K-S > File size: 215K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100073&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > **Abstract** > The need for increased heat resistance in printed circuit boards, has led to the development of modified polyimides for use in coating copper foils to form laminates. This work reports the introduction of the amide (-NHCO-) group in to the molecular chain to improve the flexibility and solubility of polyimides. Nadic anhydride was used to synthesise an end-capped low molecular weight polyamide-imide polymer. The amide-containing bisnadimide resin can be used as an adhesive in a hot press with the copper foil to form laminates. 13 refs. > > > > --- > > > **Title: STRUCTURE-PROPERTY RELATIONSHIPS FOR POLYIMIDES REINFORCED WITH THE SOL-GEL DERIVED ORGANOSILICON NANOPARTICLES** > Page Range: p.213-218 > Author(s): Privalko V P; Shantalii T A; Karpova I L; Dragan K S; Privalko E G > File size: 123K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100074&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > **Abstract** > This paper reports on an alternative approach to the preparation of polyimide-based polymer nanocomposites involving the in situ generation of crosslinked organosilicon nanoparticles through the sol-gel process. This approach is assumed both to ensure the homogeneous dispersion of sol-gel derived nanoparticles within a continuous polymer matrix, and to take advantage of the autocatalytic effect of acidic groups of a precursor (polyamic acid) in the polycondensation reaction. 13 refs. > > > > --- > > > **Title: PROBLEMS AND PITFALLS IN THE EVALUATION AND DESIGN OF NEW BIOCIDES FOR PLASTICS APPLICATIONS** > Page Range: p.219-227 > Author(s): Kneale C > File size: 158K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100075&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 3 > > **Abstract** > A discussion is presented of factors which need to be considered in the design and testing of a new biocide for plastics applications. In Europe, biocides are becoming more tightly regulated under the Biocidal Products Directive, which requires a significant data package for the registration of new actives and existing formulations. Once the issue of compatibility has been addressed, the antimicrobial efficiency has to be established. Prior to selection of a test method to demonstrate such efficacy, consideration is given to whether the substrate should be pre-conditioned to simulate end-use conditions, e.g., by artificial leaching or weathering. Advantages and disadvantages of traditional test methods are discussed, and an alternative method for the evaluation of biocidal performance is presented, which is claimed to be more representative of end-use conditions. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PHENOLIC RESINS (IV). THERMAL DEGRADATION OF CROSSLINKED RESINS IN CONTROLLED ATMOSPHERES Page Range: p.345-357 Author(s): Bouajila J; Raffin G; Alamercery S; Waton H; Sanglar C;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PHENOLIC RESINS (IV). THERMAL DEGRADATION OF CROSSLINKED RESINS IN CONTROLLED ATMOSPHERES** > Page Range: p.345-357 > Author(s): Bouajila J; Raffin G; Alamercery S; Waton H; Sanglar C; Grenier-Loustalot M F > File size: 144K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100084&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > > > **Abstract** > In order to determine the stability of crosslinked phenolic resins, their thermal degradation was studied in controlled atmospheres, both inert and oxidising. The structures of gaseous products released and of the degradation residues indicated that they depend on the degradation atmosphere, temperature, and the conditions in which the crosslinked resins were prepared. In the case of thermal degradation in an inert atmosphere, cyclic compounds and low molecular weight compounds were formed. In the case of degradation in an oxidising atmosphere, cyclic compounds are negligible, while large quantities of low molecular weight compounds are released. Formaldehyde is released in both atmospheres, with less released by resins prepared with cycle 2. The analysis of degradation residues is claimed to prove that such resins exhibit thermal stability up to 300 degrees C in an oxidising atmosphere, and up to 380 degrees C in an inert atmosphere. 20 refs. > > > > --- > > > **Title: POLY(E-CAPROLACTONE) COMPOSITES REINFORCED WITH SHORT ABACA FIBRES** > Page Range: p.359-367 > Author(s): Shibata M; Yosomiya R; Ohta N; Sakamoto A; Takeishi H > File size: 263K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100085&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > **Abstract** > The tensile properties of poly-epsilon-caprolactone, (PCL) composites reinforced with short abaca fibres, prepared by melt mixing and subsequent injection moulding, were investigated and compared with PCL composites reinforced with glass fibres. The influence of fibre content and surface esterification of the natural fibre on the tensile properties was evaluated. The tensile strength and moduli of all the PCL/abaca composites was shown to increase with increasing fibre content, and all had a higher tensile strength than PCL/glass fibre composites when the fibre weight fraction was the same. The tensile strength of the PCL/abaca composites was improved by surface esterification of the fibre with acetic anhydride or butyric anhydride in the presence of pyridine. This was due, it is demonstrated by SEM photographs, to the increase in the interfacial adhesiveness between the matrix polyester and the esterificated fibre. 11 refs. > > > > --- > > > **Title: EFFECT OF HEAT TREATMENT ON THE TENSILE STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE** > Page Range: p.369-381 > Author(s): Lin J-S > File size: 285K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100086&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > **Abstract** > Improvements in the interfacial adhesion of glass fibre reinforced polypropylene by heat treatment, was studied. Polypropylene was blended with glass fibres and injection moulded. The moulded parts were treated at various temperatures for various times, and characterisation of the mechanical properties of the resulting samples was performed including measurement of the critical fibre length, and by means of differential scanning calorimetry. Results show that the critical fibre length increases while the tensile strength decreased with increasing testing temperature. At 25 and 80 degrees C, heat treatment is shown to improve tensile strength, but that at or above 120 degrees C, certain treatment conditions cause the tensile strength to decrease significantly. 32 refs. > > > > --- > > > **Title: NONLINEAR VISCOELASTICITY OF FIBER-FILLED POLYPROPYLENE MELTS** > Page Range: p.383-395 > Author(s): Katsuhiko A; Takeshi K; Takahiro T; Anezka L; Petr S > File size: 266K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100087&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > **Abstract** > This study reports on the results of a series of experiments conducted on general purpose polypropylene and its short carbon fibre filled systems. The steady-state shear flow and dynamic viscoelastic behaviour of these polymer systems were measured on a cone-plate type rheogoniometer to examine the effects of their fibre content, angular frequency and strain amplitude upon their dynamic viscoelastic properties. The dynamic viscoelasticity of carbon fibre/PP systems was analysed for non-linearity by expanding the stress waveform in the Fourier series. The analytical results were compared with those obtained from the Lissajous figures. Similarities and differences with carbon fibre reinforced liquid crystal polymers are also discussed. 25 refs. > > > > --- > > > **Title: INFLUENCE OF SILANE MODIFICATION OF KAOLINS ON PHYSICO-MECHANICAL AND STRUCTURAL PROPERTIES OF FILLED PVC COMPOSITES** > Page Range: p.397-406 > Author(s): Domka L; Foltynowicz Z; Jurga S; Kozak M > File size: 329K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100088&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > **Abstract** > Results are presented of a study of the potential of modified kaolin as a filler for PVC. Kaolin from Maria III deposits in Poland was used, and aminosilanes and mercaptosilanes were used to modify the surface. Basic physicochemical parameters such s the absorption capacity of the plasticiser, the heat of immersion in hydrophobic and hydrophilic solvents, and the morphology of particles of the modified filler were characterised. It was found that the modified kaolins improved the physicomechanical properties of PVC, and in particular its elongation when used at 10 and 15% w/w levels in the composite. The microstructure of the filled composites was also studied using small angle X-ray scattering, and scanning electron microscopy techniques. 21 refs. > > > > --- > > > **Title: ELECTRICAL TRANSPORT PROPERTIES OF DOPED POLY(P-PHENYLENE)** > Page Range: p.407-414 > Author(s): Campos M > File size: 75K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100089&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > **Abstract** > In this work, the dc electrical conductivity of ferric chloride doped polyphenylene samples as a function of temperature is measured using a low electric field, and based on the results, the dc conduction mechanism is discussed in order to further clarify the carrier mechanism for charge transport. The temperature dependence is studied in terms of some hopping models. It is observed that the multiphonon-assisted hopping of charge carriers with a weak interaction with phonons is the dominant charge transport process in the entire temperature range. 54 refs. > > > > --- > > > **Title: INFLUENCE OF PHYSICAL MORPHOLOGY OF MINERAL POWDER ON THE REINFORCING EFFECT IN SILICONE RUBBER** > Page Range: p.415-417 > Author(s): Wu J; Lin J; Lin S; Shen Z; Wei C > File size: 46K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100090&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 5 > > **Abstract** > The physical morphology and surface properties of a mineral filler is investigated with reference to the affect this has on the reinforcing effect when used in silicone rubber formulations. Results of tests are discussed which indicate that the size, area, shape and state of aggregation of the filler is influential in determining its reinforcing affect in silicone rubber. Fumed silica, precipitated silica and crystalline quartz were chosen in order to compare the influence of the crystalline state of the filler on its reinforcing effect. It was found that there was no direct connection between the crystalline state of the filler and the reinforcing effect, but that this did indirectly affect the reinforcing capability by changing the shape and thus surface energy of the filler. 8 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INTERMEDIATE VELOCITY IMPACT RESPONSE OF CARBON/EPOXY COMPOSITES WITH POLYCARBONATE FACING Page Range: p.421-432 Author(s): Vaidya U K; Ulven C A; Hosur M V; Alexander J;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INTERMEDIATE VELOCITY IMPACT RESPONSE OF CARBON/EPOXY COMPOSITES WITH POLYCARBONATE FACING** > Page Range: p.421-432 > Author(s): Vaidya U K; Ulven C A; Hosur M V; Alexander J; Liudahl L > File size: 396K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100091&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > > > **Abstract** > A study of the intermediate velocity impact of composites is presented with reference to the use of low-cost processing methods such as vacuum-assisted resin transfer moulding, (VARTM) in order to address the process-performance relationships to various loading threats. Carbon graphite fibre composites are susceptible to impact damage because of their poor impact resistance, and are the focus of the present work. An evaluation is reported of the intermediate velocity impact response of two commonly used structural carbon fabric laminates produced from plain and 2/2 twill woven fabrics, processed using VARTM. All carbon/epoxy laminates were covered with a polycarbonate facing in order to enhance impact resistance. The perforation mechanism, ballistic limit, and damage evolution of each laminate is discussed. 14 refs. > > > > --- > > > **Title: MANUFACTURING AND EVALUATION OF WOODFIBRE-WASTE PLASTIC COMPOSITE SHEETS** > Page Range: p.433-440 > Author(s): Bhattacharyya D; Jayaraman K > File size: 267K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100092&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > This study investigates the feasibility of post-consumer waste plastics from a kerbside collection, reinforced with high temperature mechanical pulp Pinus Radiata fibres. Composite specimens are manufactured in sheet form from relatively large fibre mats, produced by a novel mat forming technique through a bulk consolidation process. Tensile strength and modulus of the composite sheets are determined as a function of wood fibre content. A significant part of the investigation is dedicated to the understanding of the formability of these composite sheets using dome forming , aided by a specially developed software package based on kinematic principles, known as grid strain analysis. 22 refs. > > > > --- > > > **Title: HIGHLY FILLED NANO-CdS/POLYSTYRENE NANOCOMPOSITE FILM WITH SELF-ORGANIZATION BEHAVIOUR** > Page Range: p.441-448 > Author(s): Liang H C; Rong M Z; Zhang M Q; Zeng H M; Xiang H; Wang S F; Gong Q H > File size: 159K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100093&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > This work describes the preparation of highly filled nanocomposite film with cadmium sulphide nanoparticles as the fillers and polystyrene as the matrix. Being self-organised in the matrix, the nano-CdS particles can be incorporated at a content as high as 20 wt. %. It was demonstrated that CdS nanoparticles can be self-organised in PS when a certain mercaptan is used to coat the particle surface. The performance of such composites is characterised by the study of their optical properties. > > > > --- > > > **Title: A STUDY OF THE CRYSTALLIZATION BEHAVIOUR OF DYNAMICALLY VULCANIZED EPDM/NYLON COPOLYMER BLENDS** > Page Range: p.449-464 > Author(s): Liu X; Huang H; Zhang Y; Zhang Y > File size: 188K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100094&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > This paper explores the effects of dynamic vulcanisation, rubber and compatibiliser on the crystallisation of nylon in thermoplastic elastomers based on EPDM/nylon copolymer blends. The crystallisation kinetics were studied under non-isothermal and isothermal conditions from the melt and differential scanning calorimetry was used to monitor the energetics of the crystallisation process. Relative crystallisation was shown to develop in accordance with the time dependence described by the Avrami equation. Experimental results indicate that the EPDM rubber is not the nucleating agent in those samples that were not dynamically vulcanised, and that the addition of chlorinated polyethylene has no effect on the crystallisation of nylon. However, in dynamically vulcanised samples, the EPDM rubber is a nucleating agent and the addition of chlorinated PE helps the EPDM to form fine and well-dispersed particles, and improve the crystallisation of nylon. 32 refs. > > > > --- > > > **Title: PREDICTION OF PERMEABILITY TENSOR FOR PLAIN WOVEN FABRIC BY USING CONTROL VOLUME FINITE ELEMENT METHOD** > Page Range: p.465-476 > Author(s): Song Y S; Chung K; Kang T J; Youn J R > File size: 211K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100095&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > The efficiency of the resin transfer moulding process for the production of fibre-reinforced polymer composites, is dependent on the determination of the permeability of the preform. In this study, permeability at the microscopic level was computed for the square and hexagonal packing of the filaments inside each yarn by using control volume finite element method. Permeability for the three-dimensional macroscopic unit cell (which represents curved yarns in a plain woven fabric) was calculated by using the same numerical method without considering resin flow inside each yarn. By application of the proposed coupled flow model, which combines macroscopic permeability with microscopic permeability, the total permeability was determined for the plain woven fabric and compared with an experimental value. This study is claimed to have considered a more realistic unit cell representing the three-dimensional preform architecture, including tow crimp, spacing and stacking. It was observed that in-plane flow was more dominant than transverse flow within the woven preform, and the effect of the stacking order of a multi-layered preform, was negligible. 26 refs. > > > > --- > > > **Title: SBS/CARBON BLACK COMPOUNDS GIVE ASPHALTS WITH IMPROVED HIGH-TEMPERATURE STORAGE STABILITY** > Page Range: p.477-485 > Author(s): Wang S; Zhang Y; Zhang Y > File size: 238K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100096&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > In order to produce modified asphalts with high temperature storage stability, carbon black was added to styrene-butadiene-styrene tri-block copolymers. The effect of carbon black on the high temperature storage properties, dynamic rheology, mechanical properties (softening point, viscosity, etc.) and the morphologies of the modified asphalts were studied. It was found that the ratio of SBS to carbon black in the compound had a great effect on the high-temperature storage behaviour, and that the modified compounds were stable when the ratio was around 2. The introduction of carbon black was shown to have almost no effect on the dynamic rheology or the mechanical properties of the modified. The improvement in high-temperature storage stability is attributed to a decrease in density difference and an improvement in the compatibility between SBS and the asphalt. 16 refs. > > > > --- > > > **Title: RHEOLOGICAL BEHAVIOUR OF PP/PET AND MODIFIED PP/PET BLENDS. 1 STEADY STATE FLOW PROPERTIES** > Page Range: p.487-504 > Author(s): Zdrazilova N; Hausnerova B; Kitano T; Saha P > File size: 456K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100097&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > This study aims to ascertain the effect of compatibilisation on the steady shear flow properties of PP and PETP blends using two approaches: the first involved the functionalisation of PP by the addition of maleic anhydride (in situ reactive blending), and the second, the use of already-modified PP which is commercially available in Japan. The rheological properties, morphology and thermal behaviour of the compatibilised blends were studied and compared with those of uncompatibilised ones, with special consideration given to the effect of different viscosity ratios of particular blends. The influence of the molten and unmolten state of one blend component (PETP), and the effect of blend composition on rheology, was also discussed. It is concluded that the blending of PP and PETP combined with the addition of a modifier, represents an appropriate recycling method for these waste materials. 39 refs. > > > > --- > > > **Title: CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART 1: MODELLING OF A SPIRAL WOVEN STRUCTURE** > Page Range: p.505-511 > Author(s): Cheng C-C; Chiu C-H > File size: 292K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100098&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 6 > > **Abstract** > This is the first of a series of papers on the cylindrical orthotropic thermal conductivity of spiral woven composites. In this study, the geometric characteristics of spiral woven composites are modelled. A single layer of spiral woven fabric is considered as a fundamental structure, and used to develop representative models, including round disc and polygon ones. In these representative models, crimps, cross-sections, and radial and circumferential arrangements of yarns are illustrated by cosine and arc yarn shape functions. 28 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: SELF-SENSING OF DAMAGE AND STRAIN IN CARBON FIBER POLYMER-MATRIX STRUCTURAL COMPOSITES BY ELECTRICAL RESISTANCE MEASUREMENT Page Range: p.515-525 Author(s): Chung DDL; Wang S File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: SELF-SENSING OF DAMAGE AND STRAIN IN CARBON FIBER POLYMER-MATRIX STRUCTURAL COMPOSITES BY ELECTRICAL RESISTANCE MEASUREMENT** > Page Range: p.515-525 > Author(s): Chung DDL; Wang S > File size: 105K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100099&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > > > **Abstract** > The use of DC electrical resistance measurement for the self-sensing of strain and damage in continuous carbon fibre polymer-matrix structural composites is examined. Carbon fibres, being electrically conductive enable composites to exhibit electrical properties which depend on parameters such as strain and damage, thereby attaining the ability to sense themselves through electrical measurement. A consequence of self-sensing structural materials is reduced cost, enhanced durability, a larger sensing volume, and an absence of mechanical property degradation.. This paper provides a review of self-sensing behaviour, in addition to addressing the design of the electrical contacts, and providing a model for relating the electrical resistance to the type and amount of damage. 37 refs. > > > > --- > > > **Title: HIGH STRAIN RATE COMPRESSION CHARACTERIZATION OF AFFORDABLE WOVEN CARBON/EPOXY COMPOSITES UNDER OFF-AXIS LOADING** > Page Range: p.527-539 > Author(s): Hosur M V; Alexander J; Vaidya U K; Jeelani S; Mayer A > File size: 381K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100100&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > An experimental study is described into the response of affordable plain weave carbon/epoxy composite laminates to high strain rate compression loading, using a modified Compression Split Hopkinson's Pressure Bar under off-axis loading. Laminates were manufactured using aerospace-grade woven fabrics using a vacuum-assisted resin infusion moulding technique. Samples were subsequently subjected to high strain rate compression loading and tested along 0 degrees, 15 degrees, 30 degrees and 45 degrees off-axes angles. Quasi-static tests were also conducted to compare results with the dynamic response. Failure modes were evaluated using optical micrographs, and results were analysed in terms of peak stress, strain at peak stress, failure modes and orientation. 17 refs. > > > > --- > > > **Title: RHEOLOGY OF HIGHLY FILLED POLYPROPYLENES PREPARED WITH SURFACE TREATED FILLERS** > Page Range: p.541-550 > Author(s): Ren Z; Shanks R A; Rook T J > File size: 121K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100101&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > This study reports on the production of highly filled PP composites by the extrusion of polypropylenes with surface treated fillers. The aim of the investigation was to include the highest proportion of filler in order to provide hardness and high density, without undue brittleness. It was shown that the viscoelastic behaviour of melt flow of highly filled polypropylene composites significantly depended on certain properties of the fillers. These included aspect ratio, specific surface area and particle size. Fillers considered included talc, calcium carbonate and barium sulphate. Traditional surface modifiers such as stearic acid were found to be useful, but titanates, and in particular, small amounts of silicones were shown to provide the greatest rheological modification. 25 refs. > > > > --- > > > **Title: DUAL CURE PHENOL - EPOXY RESINS: CHARACTERISATION AND PROPERTIES (short article)** > Page Range: p.551-558 > Author(s): Devi K A; Nair C P R; Ninan K N > File size: 92K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100102&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > Reactive blends of 2, 2'-diallyl bisphenol A (DABA) and a novolac epoxy resin (EPN) were investigated for their cure behaviour, and rheological, physical, mechanical and thermal properties. Cure characterization was carried out by differential scanning calorimetry and dynamic mechanical analysis. The system underwent dual curing via a sequential phenol-epoxy reaction and allyl polymerization. The former reaction was catalysed by triphenyl phosphine. Whereas the phenol-epoxy reaction was completed, the allyl polymerisation was limited to 40% by the regulation of cure conditions. It was shown that an increase in epoxy concentration in DABA-EPN blends led to an improvement in the tensile and flexural strengths of the neat castings. Flexural strength and interlaminar shear strength of the glass laminate showed an improvement with an increase in EPN concentration. Although the crosslink density of the neat casting was enhanced by epoxy concentration, this was not shown to result in any significant variations in the Tg of the cured matrix. The dual curing of the matrix system resulted in a considerable improvement, it is claimed, in the flexural properties of their glass composites. 15 refs. > > > > --- > > > **Title: DEFORMATION CHARACTERISTICS OF NANO-SILICON DIOXIDE FILLED POLYPROPYLENE COMPOSITES** > Page Range: p.559-562 > Author(s): Wu C L; Zhang M Q; Rong M Z; Lehmann B; Friedrich K > File size: 118K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100103&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > Polypropylene was compounded with nano-silica particles which had been subjected to surface modification via irradiation graft polymerization. Improvements were found in the mechanical properties of such nanocomposites with fairly low filler content. This work reports on the deformation characteristics of the PP nanocomposites using transmission electron microscopy. It was concluded that it was due to the interfacial entanglement between the grafting polymers attached to the nanoparticles and the matrix polymer, that the grafted nano-silicon dioxide showed much greater extensibility inn the composites than the nanoparticles as-received. This was believed to be the main cause of extensive plastic drawing of the matrix polymer surrounding the treated nanoparticles, and provided the composites with a higher static ductility. 10 refs. > > > > --- > > > **Title: MECHANISM OF VOID FORMATION IN COMPOSITE PROCESSING WITH WOVEN FABRICS** > Page Range: p.563-572 > Author(s): Lee G-W; Lee K-J > File size: 348K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100104&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > A mechanism for void formation is suggested, which involves an analysis of the resin flow through woven glass fabrics, at both the macro and micro levels. Both these types of flow arise from the characteristic structure of woven fabrics. In order to investigate the mechanism of void formation in woven fabrics, a new dimensionless number was defined as the ratio of the superficial velocity to the initial spreading rate. The prediction of void formation using this dimensionless number was shown to have a good correlation with the results from a cross sectional observation and void content measurement. It was confirmed that the mechanism suggested in this study is very useful and that the morphological structure of woven fabrics is conductive to void formation. 11 refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTY CHARACTERISATION OF PINEAPPLE LEAF FIBER BASED FIBER COPOLYMERS VIA GRAFTING** > Page Range: p.573-580 > Author(s): Sahoo P K; Mohapatra R; Sahu G C; Dalei M > File size: 183K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100105&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > This work reports on the preparation of natural fibre copolymers by the grafting of hydrophobic monomer, methyl methacrylate onto chemically modified pineapple leaf fibre using a complex initiating system. The modified pineapple leaf fibre-g-PMMA copolymers so obtained were characterized by FTIR, their thermal behaviour by TGA, and their morphology by scanning electron microscopy. In addition, their tensile strength, elongation and tenacity were measured. The extent of water absorption by the grafted PALF, showed that the grafting of MMA imparts hydrophobicity onto PALFs. Biodegradation of the copolymers was evaluated in sludge water and soil and by using cultured microorganisms. 17 refs. > > > > --- > > > **Title: PROPERTIES OF GF-REINFORCED THERMOPLASTICS IN BEAM STRUCTURE** > Page Range: p.581-589 > Author(s): Nomura M; Makita J; Hamada H > File size: 358K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100106&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > This study verifies that a structure in which glass fibres are apparently joined, namely, a beam structure, can be formed in the matrix resin by using the fact that the polymer resins with a high affinity for glass fibres, tend to migrate towards the glass fibre interface. Glass fibre content and glass fibre length are shown to be important factors influencing the formation of a beam structure. The larger the glass fibre content, and the greater the glass fibre length, the easier is the formation of the beam structure. It was verified that even if the resin content was so small as to form the dispersed phase in polymer blends, a continuous phase could still be formed by including glass fibres. By adding a small amount of resin having a higher heat resistance than the matrix resin, and having an affinity for glass fibres, fibres were successfully joined by selective migration of this small quantity of resin to the interface with the glass fibres. The beam structure material was found to have a HDT significantly higher than that of conventional glass fibre reinforced thermoplastic composites, and by applying this concept to glass fibre reinforced polystyrene, the HDT of GFPS improved from 100 - 110 degrees C to 200-250 degrees C. 15 refs. > > > > --- > > > **Title: DETERMINANTS OF SWELLING BEHAVIOUR OF METHACRYLAMIDE AND CELLULOSICS BASED HYDROGELS** > Page Range: p.591-601 > Author(s): Chauhan G S; Bansal M; Mahajan S > File size: 201K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100107&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 7 > > **Abstract** > The synthesis and swelling response of some novel hydrogels in different swelling media is studied. Hydroxypropylcellulose based networks with methacrylamide were synthesized in aqueous media in the presence of N,N-methylene bisacrylamide by simultaneous gamma radiation. The reaction conditions such as radiation dose, amount of water and concentrations of monomer and crosslinker were evaluated for optimum network yield. Using these conditions, networks of cellulose and its other derivatives were also synthesized with methacrylamide. Resultant networks are characterized for structural properties by elemental analysis, FTIR, and scanning electron micrography. The swelling behaviour of networks was studied as a function of the synthetic reaction conditions, the nature of polymeric backbones and the nature of the swelling medium. The equilibrium swelling is shown as a function of both structural and environmental factors, since hydrogels are sensitive to their environment. 10 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PREFORM TECHNOLOGY: A NECESSARY REQUIREMENT FOR QUALITY CONTROLLED LCM-PROCESSES Page Range: p.605-622 Author(s): Mitschang P; Ogale A; Schlimbach J; Weyrauch F; Weimer C File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc11-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PREFORM TECHNOLOGY: A NECESSARY REQUIREMENT FOR QUALITY CONTROLLED LCM-PROCESSES** > Page Range: p.605-622 > Author(s): Mitschang P; Ogale A; Schlimbach J; Weyrauch F; Weimer C > File size: 749K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100108&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > > > **Abstract** > This article discusses the need to use preform techniques to produce qualified and manageable reinforcements as a requirement for further steps in the development of liquid composite moulding (LCM) processes. The definition and philosophy of the 'sew 'n' cut' technique based on tailored reinforcements shows an alternative to direct preform technologies. The importance of selecting adequate thread construction and properties, such as elastic behaviour in order to minimise the influence on ellipse generation and the in-plane properties of the reinforcement are examined. Based on such performs, the control of the LCM process is shown to be possible. Different concepts to realise a controlled injection are discussed,and the decision-tree-concept is described in detail and verified by controlling the race-tracking effect. A critical preforming effort is defined whereby a further increase in preforming activities will nullify the expected cost advantages. 59 refs. > > > > --- > > > **Title: EFFECTS OF STYRENE EVAPORATION ON THE CURE KINETICS BEHAVIOUR OF A VINYLESTER RESIN SYSTEM SUITABLE FOR COMPOSITE PULTRUSION** > Page Range: p.623-632 > Author(s): Samaras Z I; Partridge I K > File size: 130K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100109&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > An experimental and modelling methodology is described, by which the effects of styrene evaporation on the cure kinetics and the conversion evolution in a vinylester resin is studied and quantified. Under the particular geometry and environmental conditions used in the experiments, styrene losses up to 6% of the initial styrene concentration per day are observed.. The complex curing reaction was modelled with empirical equations, and the overall curing mechanism was found to be unaffected by the styrene evaporation. The maximum reduction in the final Tg of a fully cured sample was found to be 3 degrees C, for styrene losses of over 25% of the original amount, and is therefore not considered to be of significant concern in the pultrusion process with this vinylester resin. The exothermicity of the reaction, however, was significantly affected by the reduction in styrene content. Practical solutions for preventing this are suggested. 22 refs. > > > > --- > > > **Title: COUPLED HYGROTHERMAL COHESIVE-LAYER CONSTITUTIVE MODEL FOR SIMULATING DEBOND GROWTH** > Page Range: p.633-648 > Author(s): Roy S; Shiue F-W > File size: 196K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100110&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > In order to model the synergistic bond degradation mechanisms that may occur at the interface between a fibre-reinforced polymer and concrete, a two-dimensional cohesive layer constitutive model with a prescribed traction-separation law was constructed. It was formulated using the basic principles of continuum mechanics and thermodynamics, taking into account concentration-dependent and strain-dependent non-Fickian hygrothermal effects that are likely to occur within a cohesive layer. Implementation of the model in a test-bed finite element code was carried out and code verification was performed. Benchmark comparisons of finite element prediction of critical load with analytical results for a double cantilever beam specimen were shown to be in good agreement. Numerical simulation of a wedge-test involving debond growth caused by synergistic interaction between local stress and diffusing moisture was also presented to demonstrate the ability of the cohesive layer model to simulate environmental cracking. 13 refs. > > > > --- > > > **Title: DIPSERSIBILITY OF MACROMOLECULAR POLYOLS AS CO-STABILIZER IN POLY(VINYL CHLORIDE) AND THEIR STABILIZATION EFFECT COMBINED WITH SYNERGETIC METAL SOAP** > Page Range: p.649-662 > Author(s): Ikeda H; Ishikawa M; Nakamura Y; Iida T > File size: 200K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100111&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > An investigation is reported into the use of heat stabilisers for PVC in order to prevent discolouration on heating. The synergistic effect of polyvinyl alcohol (PVA) as co-stabiliser with a mixture of zinc and calcium stearates is discussed. When the PVA and PVC were pre-mixed in the powder state, the compound obtained showed a lower stabilisation effect on the discolouration of PVC, whereas when a PVA aqueous solution was prepared and the PVC powder was added to the PVA solution and dried, the resulting compound showed a superior stabilisation effect. The dispersed PVA domain size in the PVC sheets was measured quantitatively by image processing analysis, using the optical micrographs of the sheets. It was found that there was a good relationship between the dispersibility of PVA and its stabilisation effect. Thus, the co-stabilising effect of PVA increased with a decrease in the domain size. This was also confirmed by using different polyols as co-stabilisers. 11 refs. > > > > --- > > > **Title: MELT VISCOELASTICITY OF POLYAMIDE 6 ORGANOCLAY NANOCOMPOSITES** > Page Range: p.663-668 > Author(s): Karaman V M; Shumsky V F; Privalko E G; Privalko V P; Lehmann B; Friedrich K > File size: 70K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100112&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > Thermoplastics reinforced with relatively small amounts of organoclay particles are particularly useful as engineering materials. However, their processability has been found to present some problems with respect to the extreme sensitivity of melt flow behaviour to the aspect ratio of clay nanoparticles and to the quality of their dispersion. In addition, viscoelastic studies of irradiation-grafted nano-inorganic particle-filled PP composites in the melt state, revealed the onset of a plastic yield phenomenon for a nanocomposite with the filler volume content as low as 4.68%. This study focuses on commercial nanocomposites of nylon-6 which were prepared by melt compounding with organoclay hybrids, and which were subsequently characterised by complex viscosities and relaxation time spectra derived from storage and shear loss modulus. Results were rationalised in terms of (P1)model considerations. At the lowest clay loading (2.5%), the Newtonian viscosity suggested a lower equilibrium elasticity modulus of an entangled melt, as if the organoclay particles had acted as specific 'diluents' for the initial entanglement network. At increased clay contents, this effect was taken over the growing importance of strong interactions at the nanoparticle/melt interface, leading to the formation of a fairly thick boundary interphase (BI) around the nanoparticles, and eventually, resulting in a build-up of an 'indefinite cluster' of clay nanoparticles coated with BI at the highest clay loading (7.5%). 17 refs. > > > > --- > > > **Title: MODELLING ORTHOTROPIC VISCOELASTIC BEHAVIOUR OF COMPOSITE LAMINATES USING A COINCIDENT ELEMENT METHOD** > Page Range: p.669-677 > Author(s): Nallainathan L; Liu X L; Chiu W K; Jones R > File size: 145K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100113&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > This paper presents a finite element procedure for modelling the viscoelastic behaviour of orthotropic composites. The procedure uses a commercially available finite element package known as ABAQUS and requires no code development. Consequently, the procedure is claimed to be highly flexible and has the potential to be applied to a wide range of practical problems. ABAQUS is a general-purpose package for structural and non-structural analyses, but the orthotropic behaviour of laminated composites that can be modelled by ABAQUS is restricted to circumstances involving simple elasticity and plasticity, not viscoelasticity. However, it is known that the viscoelasticity in laminated polymer composites is significantly orthotropic, and so to overcome this limitation of the FEA package, a simple procedure is proposed and described, which is referred to as the Coincident Element Method (CEM). In this method, a composite method is modelled by using two shell elements which are superimposed onto each other in such a way that they are coincident, i.e., the two shell elements share the same nodes and deform together. Numerical examples are presented to illustrate the capacity and accuracy of the procedure. 9 refs. > > > > --- > > > **Title: PHOTOPHYSICS AND APPLICATIONS IN PLASTIC SOLAR CELLS OF CONJUGATED POLYMER/FULLERENE COMPOSITES** > Page Range: p.679-689 > Author(s): Lin H; Huang H; Qingguo H; Bai F > File size: 132K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100114&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > Two types of conjugated polymer were synthesised for application in solar cells. One type was a linear conjugated alternating copolymer containing hole-transporting groups (e.g. triphenylamine and N-substituted carbazole) in the backbone, and the other was a PPV-based hyperbranched conjugated polymer. The composites of these polymers with fullerene were investigated, with particular reference to the photoinduced electron transfer and other related photophysical processes occurring in the composites. Strong fluorescence quenching of these conjugated polymers on mixing them with C60 in dilute solution. Anion radical species of C60 were observed in ESR measurements as a result of photoinduced charge separation. The quenching constants vary with different conjugated polymers, and thus provide a quantum measurement for the interaction between the donor and acceptor. An energy conversion efficiency of up to 1.1% is reported for solar cells manufactured from conjugated polymer/fullerene composites. 17 refs. > > > > --- > > > **Title: INTUMESCENT PP BLENDS** > Page Range: p.691-702 > Author(s): Almeras X; Le Bras M; Bourbigot S; Hornsby P; Marosi G; Anna P; Poutch F > File size: 111K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100115&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > This work reports research carried out to develop an intumescent blend for transport applications, which would provide good fire and mechanical performance, and which would comply with recent European directives on the recycling of end-of-life cars. The study shows that PP/APP/PA6 based intumescent blends in which EVA copolymers were used as compatibilisers, with the addition of talc, are able to provide acceptable mechanical properties without decreasing flame retardancy. 42 refs. > > > > --- > > > **Title: HEAT-RESISTANT ORGANIC MATRICES QUO VADIS? (REVIEW)** > Page Range: p.703-728 > Author(s): Romdhane H B; Sillion B; Grenier-Loustalot M F > File size: 300K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100116&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 11 > Issue No: No. 8 > > **Abstract** > A review is presented of the characteristics required for heat resistant composite matrices, with details of two possible approaches based on linear polymers and telechelic oligomers that can be crosslinked during use. Special attention is given to crosslinkable oligomers. The different structures studied are bismaleimides, bismaleimides modified by cyanates or epoxies, bisnadimides, acetylene and propargylic compounds. These are discussed in terms of chemistry (stability of oligomers, mode of polymerisation, ageing), and ductility. A discussion is presented of several little used solutions, i.e., semi-interpenetrated networks, molecular composites, polymerisable molecular assemblies, hyper-branched oligomers and liquid crystal monomers, etc., with reference to their future relevance. Despite the fact that technical solutions may be found for use of such materials up to 300 degrees C, the market is considered to be too small for these products to be further developed. 75 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: TENSILE PROPERTIES OF POLYMERIZATION-FILLED KEVLAR PULP/POLYETHYLENE COMPOSITES Page Range: p.1-15 Author(s): Zhang Y; Rodrigue D; Ait-Kadi A File size: 244K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: TENSILE PROPERTIES OF POLYMERIZATION-FILLED KEVLAR PULP/POLYETHYLENE COMPOSITES** > Page Range: p.1-15 > Author(s): Zhang Y; Rodrigue D; Ait-Kadi A > File size: 244K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100117&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > > > **Abstract** > Polymeric-filled composites and melt blended composites of Kevlar pulp/HDPE composites were prepared to compare their mechanical properties. It was found that breaking strains of polymerisation filled composites were higher than those for melt blended composites for a similar fibre concentration. Tensile data were then used to compare several models of short fibre polymer composites. Melt blended composites were found to have higher fibre aspect ratio than polymerisation filled composites due to the original treatment of the fibre with aqueous NaOH solution for polymerised-filled process. The higher breaking strain is attributed to factors such as better fibre dispersion and improved fibre-polymer interfacial adhesion. Results of calculations involving Berlin's model in combination with that of Rosen for critical aspect ratio were found to give reasonable prediction of tensile properties. In addition, it was concluded that fibre aspect ratio in composites is strongly related to the processing technique employed. 59 refs. > > > > --- > > > **Title: EFFECT OF PROCESSING ON DUCTILITY AND STRENGTH OF KEVLAR/POLYETHYLENE COMPOSITES** > Page Range: p.17-27 > Author(s): Zhang Y; R; Rodrigue D; Ait-Kadi A > File size: 107K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100118&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > In this study of the effect of processing on the ductility and strength of Kevlar/PE composites, attention is given to ductility and tensile strength as a function of strain rate to compare composites prepared by melt blending and polymerisation filling. Improved ductility was obtained for polymerisation filled composites, as a result of better fibre-polymer interfacial adhesion, whilst ductility decreased upon increasing fibre content and strain rate. Several models for short fibre composites are compared in their prediction of tensile strength for these composites, to include the effect of critical fibre aspect ratio. Results show that the preparation technique has an effect on tensile strength of composites in relation with fibre distribution and interfacial adhesion. 37 refs. > > > > --- > > > **Title: DYNAMICALLY CURED PP/EPOXY BLENDS COMPATIBILISED WITH MAH-g-PP** > Page Range: p.29-42 > Author(s): Jiang X; Huang H; Zhang Y; Zhang Y > File size: 195K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100119&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > The dynamic vulcanisation process, usually used to prepare thermoplastic elastomers, was used to prepare PP/epoxy blends compatibilised with maleic anhydride-grafted PP. An investigation was undertaken into the influence of dynamic cure, MAH-g-PP content, curing agents, and epoxy equivalent weight on the mechanical properties of the blend. Dynamic mechanical thermal analysis results indicate that the compatibility between the PP and epoxy resin was improved by the addition of MAH-g-PP, and that the storage modulus increased with increasing epoxy resin content. Thermogravimetric analysis results indicate that the incorporation of epoxy resin into PP could improve the thermal stability of PP, and that the dynamically cured PP/MAH-g-PP/epoxy blends had better thermal stability than the PP/epoxy and PP/MAH-g-PP/epoxy blends. 42 refs. > > > > --- > > > **Title: DUAL-CURE PROPARGYL NOVOLAC-EPOXY RESINS: SYNTHESIS AND PROPERTIES** > Page Range: p.43-53 > Author(s): Nair C P R; Vijayan D; Gouri C > File size: 132K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100120&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > Co-reaction of epoxy resin with a partially propargylated novolac resulted in a dual cure resin system with improved processability. The resin system showed moderately good adhesion strength, which was optimised for a phenol/epoxy equivalent ratio of 2:1. Good retention of properties was observed for the dual-cure system at 100 degrees C. Replacement of the novolac epoxy with diglycidyl ether of bisphenol-A resulted in enhanced adhesion. Co-curing with epoxy led to ease of processing without affecting the mechanical characteristics of the resultant glass composites. Minimisation of the epoxy content was needed in order to avoid sacrificing the thermal characteristics and Tg of the system. 17 refs. > > > > --- > > > **Title: PHOSPHAZENE-TRIAZINE POLYMERS BY ALDER-ENE REACTION** > Page Range: p.55-62 > Author(s): Nair C P R; Ninan K N > File size: 110K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100121&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > With a view to developing a phosphazene-triazine cyclomatrix polymer with enhanced shelf life for the pre-polymer, the possibility is explored of using Alder-ene cure chemistry for the design of a novel thermoset. The protocol was to effect the cure of a mixture of allylphenoxy trazine and allyl phenoxy cyclotriphosphazenes using a bismaleimide. Tough thermoset polymer can be obtained by co-reaction of maleimide and allyl groups, where the maleimide reacts with allyl phenols through the Alder-ene reaction via an intermediate Wagner-Jauregg reaction. This paper examines the physical, mechanical and thermal properties of the system, as functions of the reactant stoichiometry. It was found that the temperature of onset of thermal degradation and Tg of the cured polymers increased in proportion to the maleimide content. Phosphazine and triazine were found beneficial in reducing the rate of thermal erosion at high temperatures. The flame resistance and atomic oxygen resistance of the polymers are stated to be expected to be good and are currently under evaluation. 23 refs. > > > > --- > > > **Title: STRUCTURE AND PROPERTIES OF BIODEGRADABLE POLYMERS: ROLLING EFFECT IN POLY(BUTYLENE SUCCINATE) SHEETS** > Page Range: p.63-73 > Author(s): Vega-Baudrit J; Pereira R, Nakayama K; Masuda T; Cao A > File size: 164K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100122&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > This study addresses the improvement of the properties of biodegradable aliphatic polyester films by altering the molecular chain orientation. The sheets are prepared by extrusion, and are studied under uniaxial drawing as a function of the draw condition. Changes in the molecular orientation of the films and their crystallinity as a result of stretching are investigated using differential scanning calorimetry, dynamic mechanical analysis, tensile testing, sonic modulus, X-ray diffraction, density, birefringence, and measurements of % haze. It was concluded that rolling can be used to improve and control the physical properties of extruded polybutylene succinate sheets. 8 refs. > > > > --- > > > **Title: IDENTIFYING DELAMINATION IN CROSS-PLY AND QUASI-ISOTROPIC BEAMS OF CFRP BY A STANDARDIZED ELECTRICAL RESISTANCE METHOD** > Page Range: p.75-85 > Author(s): Todoroki A; Tanaka Y; Shimamura Y > File size: 156K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100123&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > This paper describes the use of an electrical resistance change method for the identification of damage in electrically conductive composites. The method involves the standardisation of measured electrical resistance changes in order to identify the delamination location more precisely. The method was applied to cross-ply and quasi-isotropic laminated beams, and the effectiveness of the method was confirmed experimentally. In addition, the effect of the stacking sequence was investigated experimentally. It is confirmed that, although the standardised electrical resistance changes of the two stacking sequences resembled each other when the delamination location and length were similar, response surfaces to estimate delamination location must be made individually to obtain reliable results. 21 refs. > > > > --- > > > **Title: LINEAR TEMPERATURE PROGRAMMING RHEOMETERS FOR THE CURE OF RUBBERS. EFFECT OF THE VARIOUS PARAMETERS** > Page Range: p.87-98 > Author(s): Rosca I D; Granger R; Vergnaud J M > File size: 123K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100124&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 1 > > **Abstract** > Advantages are discussed of the use of rheometers in scanning mode in order to determine the kinetic parameters of the cure of rubbers. In this method, the heating rate is crucial. The rubber used in this study was EPDM, and the state of cure versus temperature curves obtained in scanning mode were calculated using a numerical model that takes into account the heat transfer by conduction through the rubber, the coefficient of heat transfer at the die-rubber interface, and the kinetics of the heat generated by the cure reaction. The kinetic parameters were determined mathematically from these state-of-cure versus temperature curves. The kinetic parameters calculated in these ways were found to be similar to those introduced by obtaining the state-of-cure versus temperatures curves using the numerical model. Whatever the heating rate, ranging from 2 to 10 K/min, and whatever the coefficient of heat transfer at the die-rubber interface which expresses the quality of the contact, satisfactory use of the moving die rheometer was demonstrated in scanning mode in order to determine the kinetics of the cure of rubbers, even when the enthalpy of cure is high. 22 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: NANOSCALE BOEHMITE FILLER FOR CORROSION- AND WEAR-RESISTANT POLYPHENYLENESULFIDE COATINGS Page Range: p.153-167 Author(s): Sugama T; Gawlik K File size: 367K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: NANOSCALE BOEHMITE FILLER FOR CORROSION- AND WEAR-RESISTANT POLYPHENYLENESULFIDE COATINGS** > Page Range: p.153-167 > Author(s): Sugama T; Gawlik K > File size: 367K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100131&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > > > **Abstract** > An evaluation is carried out into the use of nanoscale boehmite crystals for use as a filler in wear and corrosion resistant PPS metal coatings. Their use was found to reduce the rate of blasting wear and improve thermal stability. The wear rate of PPS surfaces was found to to reduce three-fold when 5 wt% boehmite was incorporated. During exposure for 15 days in a 300 degrees corrosive geothermal environment, the PPS was shown to undergo hydrothermal oxidation, leading to the substitution of sulphide linkages by sulphite linkages. Such molecular rearrangement, however, did not diminish the ability of the coating to protect mild steel against corrosion. The one reported concern is the tendency of boehmite to absorb brine, so that the addition of an excessive amount of boehmite was found to be detrimental to achieving maximum protection. 17 refs. > > > > --- > > > **Title: DURABILITY OF ISOPHTHALIC POLYESTER COMPOSITES USED IN CIVIL ENGINEERING APPLICATIONS** > Page Range: p.169-182 > Author(s): Dagher H J; Iqbal A; Bogner B > File size: 207K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100132&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > The objectives of this paper are to review the literature relating to the durability of isophthalic polyester composites for use in civil engineering applications, and to present comparative data on the durability of isophthalic polyester versus polyvinyl ester. Based on the review, the aim is to propose additional durability research work which needs to be carried out on isophthalic polyesters for specific civil end-use environments, particularly in conjunction with concrete and high alkaline environments. 26 refs. > > > > --- > > > **Title: ON THE RESPONSE OF STITCHED WOVEN S2-GLASS/EPOXY COMPOSITES TO HIGH STRAIN RATE COMPRESSION LOADING** > Page Range: p.183-196 > Author(s): Hosur M V; Karim M R; Jeelani S > File size: 269K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100133&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > The results are discussed of experimental investigations, carried out to understand the response of stitched and unstitched S2-glass/SC epoxy composites to high strain rate compression loading, using a Split Hopkinson Pressure Bar set-up. Fifteen layers of plain weave S2-glass fabric were used to fabricate stitched and unstitched laminates with a low viscosity RTV SC-15 epoxy resin system. A 3-cord Kevlar thread was used for the stitching. Four different types of samples were considered, with sample configurations designated according to the location of the stitch line with reference to the loading direction. Dynamic and static responses of the laminate under compression were compared, and failure modes were studied using optical microscopy. Results showed that under higher strain rates loading, the stitched laminates exhibited a confining effect, and that overall, stitched laminates proved to provide increased damage resistance. 23 refs. > > > > --- > > > **Title: COMPARISON BETWEEN CURE SYSTEMS FOR EPDM/MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.197-206 > Author(s): Zheng H; Zhang Y; Peng Z; Zhang Y > File size: 117K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100134&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > Assuming that different cure systems would result in different types of EPDM/organic montmorillonite, (OMM) nanocomposites, this work investigates the results of the use of sulphur and peroxide cure systems. The effects of the two cure systems on the morphology, mechanical and optical properties of the EPDM/OMM composites were investigated. In addition, the thermal properties of OMMT and the curing behaviour of the two cure systems were also investigated. 27 refs. > > > > --- > > > **Title: STRUCTURE AND MECHANICAL PROPERTIES OF INJECTION MOULDED CF/LCP THIN PLATES** > Page Range: p.207-220 > Author(s): Baba F; Fujita A; Hon C; Nakai A; Hamada H > File size: 459K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100135&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > This paper reports on a study of the effect of the injection speed on the structure and bending properties of liquid crystal polymer (LCP) injection moulded plates. The distribution of the modulus in injection moulded LCP and CF/LCP thin plates, made using two different injection speeds, was investigated by taking slices at 0.1 mm intervals. In addition, the modulus of the CF/LCP thin plate was estimated by the Cox formula and by laminate theory from values of the fibre orientation and modulus of each LCP layer. It was found that the differences in the bending properties and structures due to changes in injection speed were not remarkable. Differences in fracture behaviours with changes in the cutting position were caused by the differences in the modulus of each layer as in the laminated composite. It was confirmed that injection moulded CF/LCP could be treated in general as a laminated composite, and that the distribution of the modulus in injection moulded CF/LCP could be evaluated by the slicing technique. It was shown that by evaluating the fibre orientation and modulus of the sliced specimens, that fibre orientation contributed to the difference in the modulus near the surface when the injection speed changed. It was also verified that the prediction method suggested by the authors is valid to estimate the modulus of thin injection moulded CF/LCP plates. 12 refs. > > > > --- > > > **Title: A NOTE ON THE MECHANICAL CHARACTERIZATION OF NON-HOMOGENEOUS AND GRADED VULCANIZED RUBBERS** > Page Range: p.221-224 > Author(s): Bilgili E > File size: 50K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100136&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > A theoretical analysis is made to demonstrate that the use of the standard mechanical tests is both inadequate and erroneous for the characterisation of non-homogeneous rubbers undergoing large deformations. Within the framework of non-homogeneous material models, this paper proves that boundary displacements and tractions alone are not sufficient to identify the mechanical properties of non-homogeneous rubbers, and suggests the full-field measurement of displacement-strain in deformed rubber specimens for an accurate characterisation. This is theoretically illustrated by analysing the deformation of a non-homogenous rubber slab in a standard shear test. 10 refs. > > > > --- > > > **Title: COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES** > Page Range: p.225-233 > Author(s): Lee M G; Chung K K; Youn J R; Kang T J > File size: 231K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100137&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > In order to develop the theory of plasticity for orthotropic fibre-reinforced composites, a new combined isotropic-kinematic hardening law with the anisotropic back-stress evolution, was developed under the elasto-plasticity scheme. To account of the anisotropic yield function, Hill's quadratic yield function was used. The stress update scheme based on the incremental deformation theory was also developed. Example solutions confirmed that the new constitutive equation well represented the Bauschinger and transient behaviours, as well as the directional dependence of the back-stress evolution for the highly anisotropic materials such as fibre-reinforced composites. 16 refs. > > > > --- > > > **Title: A ZONE DRAWING METHOD TO DETERMINE OPTIMUM INITIAL CONCENTRATION OF POLY(VINYL ALCOHOL) TO MAKE FILMS WITH DIFFERENT DEGREES OF SAPONIFICATION** > Page Range: p.235-242 > Author(s): Joon Ho Kim; Won Sik Yoon; Jeong Hyun Yeum; Byung Chul Ji; Hee Sam Kim; Han-Yong Jeon; Won Seok Lyoo > File size: 147K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100138&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > The optimum preparation conditions for atactic polyvinyl alcohol films were investigated by measuring the polymer concentration, draw ratio and degree of saponification. Atactic PVA films were prepared by casting in water with different polymer concentrations. The a-PVA films were zone-drawn under various conditions. Using the optimum polymer concentration of the a-PVA/water solutions caused significant changes in the draw ratio of the films, which were maximised at the initial polymer concentration, but which gradually decreased at higher or lower concentrations. The birefringence, degree of crystal orientation and tensile properties of a-PVA films, having the same draw ratios were the highest at these optimum polymer concentrations. Optimum concentrations were reconfirmed by viscometry. Optimum conditions of the film casting of atactic PVA with various degrees of saponification were established by the zone drawing method. The agreement between the optimum concentration values obtained by zone drawing and viscometry suggests that the zone drawing method is an appropriate and convenient way to establish the optimum concentration for maximum draw ration, birefringence, degree of crystal orientation, and tensile properties. 18 refs. > > > > --- > > > **Title: INFLUENCE OF GAMMA-RADIATION ON THE ELECTRICAL CONDUCTANCE OF NR/IIR CONDUCTIVE BLEND DURING SWELLING IN KEROSENE** > Page Range: p.243-254 > Author(s): Madani M > File size: 122K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100139&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 3 > > **Abstract** > A study is reported on the influence of gamma-irradiation on the electrical conductance of a natural rubber-butyl rubber blend, filled with differing concentrations of general purpose furnace carbon black, during swelling in kerosene. The degree of swelling and the penetration rate in kerosene for the blends are also studied as a function of the irradiation dose. An attempt was made to calculate the carbon-carbon interspacing distance and its dependence on solvent penetration rate for un-irradiated, as well as irradiated samples. It was concluded that the addition of carbon black by different concentration to the rubber blend caused a dramatic increase in its conductance value by several orders of magnitude, moreover, the percolation threshold is detected at 30 phr of GPF. The degree of swelling, as well as conductance values for all un-irradiated and irradiated composites were highly affected with swelling time up to a characteristic value, indicating a destruction of carbon black structure in the bulk of the rubber matrix. The electrical conductance and the penetration rate values decreased with irradiation according to the excitation of rubber molecules, chemical bond rupture and creation of free radicals which randomly recombine. The calculated interspacing gaps values for all composites showed an exponential growth function with time. 29 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INFLUENCE OF POLYESTER RESIN PROPERTIES ON THE STRESS CORROSION RESISTANCE OF GLASS FIBER REINFORCED COMPOSITES Page Range: p.457-467 Author(s): Bogner B R; Pretzer W R... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INFLUENCE OF POLYESTER RESIN PROPERTIES ON THE STRESS CORROSION RESISTANCE OF GLASS FIBER REINFORCED COMPOSITES** > Page Range: p.457-467 > Author(s): Bogner B R; Pretzer W R > File size: 192K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100157&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > > > **Abstract** > It is known that the long-term strength of a glass fibre composite can be significantly reduced when the composite is exposed to high stresses in the presence of water. Resin properties such as heat deflection temperature and tensile elongation are shown to affect composite lifetime under conditions of sustained stress at various temperatures in an aqueous environment. The measurement of time to failure of unidirectional glass fibre reinforced composite rods containing E-glass fibre strands and one of a series of isopolyester resins suggested a correlation between stress, time to failure, and the temperature differential between the resin heat deflection temperature and the exposure temperature. Such correlations were established, and it was found that time to failure decreased significantly at moderate relative stress as the temperature differential (HDT-exposure temperature) became less than 10 degrees C. 13 refs. > > > > --- > > > **Title: BUCKLING AND ULTIMATE FAILURE OF THIN-WALLED PULTRUDED COMPOSITE COLUMNS** > Page Range: p.469-481 > Author(s): Hassan N K; Mosallam A S > File size: 274K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100158&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > The results are presented of an investigation on the buckling behaviour of concentrically loaded thin-walled pultruded fibre reinforced polymer composite columns. Both open- and closed-web columns were evaluated. Finite element analysis and theoretical predictions are presented and correlated with experimental data. Good agreement was found between theoretical, analytical and experimental results. Also presented are guidelines for the determination of the bending stiffness and the critical buckling load for pultruded composite columns, and a discussion on the axial strength of unidirectional pultruded fibre reinforced polymer columns, together with the identification of different modes of failure. 18 refs. > > > > --- > > > **Title: HOW MANY MONOMER REPEAT UNITS ARE NECESSARY FOR RELIABLE MOLECULAR DYNAMICS SIMULATION?** > Page Range: p.483-489 > Author(s): Kwon Y W; Harrell A F > File size: 94K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100159&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > A series of numerical tests was carried out in an attempt to answer the question of how many monomer repeat units are necessary in molecular dynamics simulation in order to obtain reliable i.e. repeatable solutions. Based on the numerical results, reliable solutions were found to require approximately ten thousand monomer repeat units at minimum, which was the sum of the monomer units in every polymer chain molecule. For a particle reinforced composite that consists of metallic atoms embedded in a polymer matrix, the minimum number of total monomer repeat units in the polymer matrix was found to be approximately five thousand for reliable solutions. 13 refs. > > > > --- > > > **Title: RECYCLING OF GLASS FIBRE REINFORCED PHENOLIC PREPREG WASTE PART 1. RECOVERY AND REUSE OF GLASS FIBRES IN PP AND PA6** > Page Range: p.491-500 > Author(s): Groening M; Hakkarainen M; Albertsson A > File size: 224K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100160&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > This study confirms that glass fibres can be recovered from phenolic prepreg scrap and reused as reinforcing filler in polypropylene and nylon-6. The untreated glass fibres showed good compatibility with nylon-6, but poor compatibility with PP. Surface treatment of the recovered glass fibres using gamma-aminopropyltriethoxysilane was shown to improve this in both cases and to significantly increase the composite tensile strengths. 29 refs. > > > > --- > > > **Title: RECYCLING OF GLASS-FIBRE REINFORCED PHENOLIC PREPREG WASTE. PART 2. MILLED PREPREG AS FUNCTIONAL FILLER IN PP AND PA** > Page Range: p.501-509 > Author(s): Groening M; Hakkarainen M; Albertsson A > File size: 155K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100161&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > The aim of this study was to find a feasible technique for the re-use of phenolic prepreg waste as a functional filler in PP and nylon-6, using standard processing equipment. In particular, the study aims to evaluate the possibility of re-using milled prepreg as filler in nylon-6, which has not been reported in the literature, it is claimed. The compatibility between phenolic prepreg and nylon-6 or PP was investigated using scanning electron microscopy of fractured surfaces. The effects of surface treatment using gamma-aminopropyltriethoxysilane, and compatibilisation using maleic anhydride functionalised PP on the composite's mechanical properties were investigated. 30 refs. > > > > --- > > > **Title: STABILISATION OF 3D PREFORMS WITH THERMOPLASTIC MONOFILAMENT FOR ADVANCED COMPOSITE MANUFACTURE** > Page Range: p.511-517 > Author(s): Rogers P P J; McIlhagger A T; McIhagger R; Quinn J > File size: 201K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100162&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > This paper describes work carried out on three-dimensional woven preforms constructed for use in resin transfer moulding. Preforms were produced incorporating a thermoplastic monofilament within the architecture. A polyethylene monofilament was used as the thermoplastic consolidating medium. Testing showed that a significantly greater force was required to pull out a carbon fibre yarn from the dry preform in samples that contained the consolidated thermoplastic. It therefore concluded that the stability and handleability of near net-shape preforms would be improved by the inclusion of a consolidated thermoplastic yarn near the edges as it would minimise plastic deformation and fibre displacement. Impregnation of modified preforms was undertaken by resin transfer moulding in order to assess the mechanical properties, and the properties of composites made from the modified preforms were shown to be comparable with those of a conventional composite. 14 refs. > > > > --- > > > **Title: INTERACTING BLENDS OF NOVEL UNSATURATED POLYESTER AMIDE RESIN WITH METHYL METHACRYLATE** > Page Range: p.519-524 > Author(s): Patel H S; Panchal K K > File size: 173K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100163&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > Blending of hydrophilic polyamide and hydrophobic polyesters can produce products which could find a variety of applications. The introduction of unsaturation, amide and ester groups into one polymer chain may afford polymers which have a crosslinking capability with vinyl monomers. The authors have reported novel unsaturated poly(ester-amide) resins, synthesised by using epoxy resins, and this particular study investigates the interacting blends of unsaturated poly(ester-amide) with the vinyl monomers, and describes the interacting blends of unsaturated poly(ester-amide) with methyl methacrylate. The chemical, mechanical and electrical properties of the glass fibre composites based on unsaturated polyesteramide- MMA resin blend were evaluated. 15 refs. > > > > --- > > > **Title: EFFECT OF GAMMA-IRRADIATION ON THE PROPERTIES OF RUBBER-BASED CONDUCTIVE BLEND COMPOSITES** > Page Range: p.525-534 > Author(s): Madani M > File size: 125K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100164&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 6 > > **Abstract** > In order to improve the heat and ozone resistance of butyl rubber, it is blended with EPDM, and fillers are incorporated to improve the physicochemical properties. The influence of gamma irradiation on the electrical, swelling and mechanical properties of crosslinked butyl rubber and EPDM, and their blends is investigated. Results of tests showed that the modulus increased while the elongation at break decreased with irradiation. The gap-width between carbon-carbon particles was found to be highly affected by the irradiation dose, which in turn influenced the electrical conductivity of these blends. The swelling equilibrium data in different solvents were analysed by the Flory-Rehner equation to obtain estimates of the average molecular weight and crosslink density. 27 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: SYNTHESIS, MECHANISMS AND KINETICS OF FORMATION OF BI-COMPONENT POLYURETHANES Page Range: p.645-665 Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Paisse O;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc12-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: SYNTHESIS, MECHANISMS AND KINETICS OF FORMATION OF BI-COMPONENT POLYURETHANES** > Page Range: p.645-665 > Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Paisse O; Raffin G; Grenier-Loustalot M F > File size: 357K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100175&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > > > **Abstract** > The polyaddition reactions of bi-component polyurethane systems are characterised in this work. In order to characterise the reactivities of different polyethers towards 4,4'-diphenylmethane-diisocyanate, the mechanisms and kinetics of formation of polyurethanes were modelled by using the p-tolylisocyanate. Two types of polyethers were used: polyethylene glycol and polypropylene glycol with variable macromolecular chains and structures. The results were obtained by using a variety of analytical techniques, (NMR, FTIR, HPLC/UV/MS, ESI/MS, DSC, and MALDI-TOF). This work illustrates the need to use several complementary techniques in order to understand the molten state reaction mechanisms and kinetics of these complex PU systems. 30 refs. > > > > --- > > > **Title: COMPARATIVE RHEOLOGICAL PROPERTIES OF DOPE SOLUTIONS OF HIGH MOLAR-MASS POLY(ACRYLONITRILE-CO-METHYLACRYLATE-CO-ITACONIC ACID)** > Page Range: p.667-677 > Author(s): Devasia R; Nair C P R; Ninan K N > File size: 244K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100176&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > The rheological behaviour of a dope solution of poly(acrylonitrile-co-itaconic acid) copolymer was compared with that of a poly(acrylonitrile-co-methylacrylate-co-itaconic acid) terpolymer of identical molecular weight. The effects of temperature, concentration and shear force on the rheology of the polymer dope were examined. It was found that in both cases, the temperature dependence of zero shear viscosity conformed to the Arrhenius-Frenkel-Eyring equation. The free energy change increased with concentration more significantly for the copolymer than the terpolymer. The Power Law model was fitted to the shear dependency of the viscosity, and the pseudoplasticity index was shown to decrease with the dope concentration. The shear thinning behaviour was more pronounced for the terpolymer than the copolymer. Empirical models were derived which were able to predict the pseudoplasticity index value of the polymers of a given viscosity-average molecular weight at any concentration and temperature. The onset of shear thinning shifted to a lower shear regime with an increase in solid concentration. 26 refs. > > > > --- > > > **Title: MULTI-RESPONSE OPTIMIZATION OF PC/ABS BLENDS USING PRINCIPAL COMPONENT ANALYSIS** > Page Range: p.679-688 > Author(s): Chin-Ping Fung; Po-Chung Kang > File size: 114K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100177&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > This paper, using principal component analysis (PCA) based on the Taguchi method, presents the optimum levels of injection moulding parameters in relation to the mechanical properties of polycarbonate/ABS blends. The experiment design used an orthogonal array for the four controllable manufacturing process factors, namely, filling time, melt temperature, mould temperature, and packing pressure, each at three levels, to find the optimum process factor/level combination. The single-response optimisation of the mechanical properties was conducted using the Taguchi method. For a multi-response case, PCA was employed to transform the correlated principal properties to a set of uncorrelated principal components. The optimum process factor/level combination based on the first principal component was determined first. Then the appropriate number of principal components extracted, and the impact of that number on the optimum process condition was investigated by extracting more than one principal component and integrating them into a comprehensive index. Finally, an analysis of variance was used to find the most influential injection moulding parameter for single and multiple response problems. Results are discussed. 20 refs. > > > > --- > > > **Title: PLASMA TREATMENTS OF MELT-EXTRUDED BLEND SHEETS OF RECYCLED PET/POLY(EPSILON-CAPROLACTONE)** > Page Range: p.689-694 > Author(s): Hirotsu T; Qi K; Nakayama K > File size: 335K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100178&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > A plasma process was applied to the surface treatments of melt extruded sheets of blends of recycled PETP with polyepsilon-caprolactone, and the surface effects were investigated with regard to the changes in surface morphology and chemical structure. Plasmas of different reactivity were used: non-oxidative argon and nitrogen, and oxidative oxygen. Mass loss by etching and morphology changes to the surfaces were investigated with regard to the discharge power effects as well as the plasma gas source reactivity. The sheets of polyepsilon-caprolactone and polyepsilon-caprolactone-rich blends were found to be more susceptible to the oxidative plasmas, and resistant to the non-oxidative plasmas. The generation of microstructures was observed on wavy or granular forms of morphology of the original sheets after the plasma treatments, according to scanning probe microscopy observations. 15 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERISATION OF POLYANILINE GRAFTED SILICA NANOPARTICLES** > Page Range: p.695-698 > Author(s): Liu Peng; Liu Weimin; Xue Qunji > File size: 182K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100179&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > Polyaniline (PANI) was grafted covalently onto the surfaces of silica nanoparticles by a three-step method. PANI was grafted onto the surfaces of the phenylaminopropyl silica nanoparticles by the in-situ chemical oxidation of aniline with ammonium peroxydisulphate using a dispersion polymerisation method. A percentage of grafting of 234% and a grafting efficiency of 54.1% were achieved, calculated from the results of elemental analysis. The polyaniline grafted silica nanoparticles were also characterised by FT-IR, UV/vis, TEM, XPS and TGA. The four probe conductivities were also measured. The product is expected to be used in secondary batteries, biosensors, corrosion protection, and antistatic packaging materials. 6 refs. > > > > --- > > > **Title: INVESTIGATION INTO POLYHYDROXYBUTYRATE MORPHOLOGY UNDER THE INFLUENCE OF VARYING SOLVENT TYPE** > Page Range: p.699-703 > Author(s): Sharma L; Nishida K; Kanaya T > File size: 170K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100180&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > Polyhydroxybutyrate (PHB) is a bacterially synthesised biodegradable semi-crystalline which undergoes underpinning of spherulites during secondary crystallisation, causing severe cracking and rendering the material brittle. Brittleness can be reduced by the use of a plasticiser, and to this end, this paper investigates the influence of the solvent, (chloroform, acetone, and toluene) as a plasticiser, on PHB. PHB's crystalline and amorphous FTIR bands in the 950-1850 cm-1 region were studied. No band change was identified between the different solvent systems, indicating that the solvent was not an influencing factor in the formation of crystalline and amorphous regions in PHB. Hot stage optical microscopy was also used to further substantiate the FTIR studies. However, a marked change between the solvents and pure PHB became evident. The growth rate decreased for all solvents compared to the homopolymer, which is reported to indicate a non-plasticising effect. 19 refs. > > > > --- > > > **Title: MORPHOLOGICAL CHARACTERISATION OF NATURAL FIBRE REINFORCED THERMOPLASTICS (NFRTP) PROCESSED BY EXTRUSION, COMPRESSION AND ROTATIONAL MOULDING** > Page Range: p.705-718 > Author(s): Torres F G; Diaz R M > File size: 661K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100181&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > A methodology is described for applying conventional morphological characterisation techniques to some of the manufacturing processes of natural fibre reinforced thermoplastics (NFRTP). The composites studied consisted of matrices of PP or PE, and of discrete jute, sisal and other natural fibres as reinforcement. Various microscopic techniques were used to characterise the processing stages and the structure-property relationships during the manufacture of NFRTPs using single-screw extrusion, compression and rotational moulding. Attention was focussed on the fibre length distributions, fibre orientation and overall fibre dispersion in the matrix. In addition, transcrystallinity in the case of PP/sisal and PP/jute composites is also reported. The characterisation procedures described are related to the manufacturing processes studied in each case, and it is suggested that some or all of the techniques described could be implemented as quality control procedures in the manufacture of products using NFRTPs. 30 refs. > > > > --- > > > **Title: CURING STUDY OF A TOUGHENED EPOXY SYSTEM USING THE DYNAMIC TORSIONAL VIBRATION METHOD** > Page Range: p.719-726 > Author(s): Chen Dazhu; Yuan Fang; He Pingsheng; Quian Jiasheng > File size: 178K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100182&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > A study is reported of the cure kinetics of an epoxy/polyamide system using the dynamic torsional vibration method, by measuring the change in mechanical properties (torque) during the cure. The experimental data were analysed by the non-equilibrium thermodynamic fluctuation theory and the Avrami method. Results from dynamic mechanical thermal analysis indicated that the fully cured specimens of epoxy resin/polyamide exist in the rubbery plateau state at the applied cure temperature, and that with increasing cure temperature, the equilibrium torque dropped, the gel time decreased and the cure reaction took less time to complete. After the gel point, the same curing mechanism occurred at various cure temperatures. Also investigated was the effect of increasing the hardener concentration on the rate of crosslinking at a given cure temperature. Excess polyamide was shown to increase the number of crosslinking points, and hence, enlarged the Avrami exponent. 18 refs. > > > > --- > > > **Title: STRUCTURE AND CRYSTALLIZATION BEHAVIOUR OF POLY(EPSILON-CAPROLACTONE)/CLAY INTERCALATED NANOCOMPOSITES** > Page Range: p.727-737 > Author(s): Kiersnowski A; Kozak M; Jurga S; Piglowski J > File size: 258K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100183&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > Nanocomposites of polyepsilon-caprolactone(PCL)/M-HTAB were obtained by the polymerisation of caprolactone with various amounts of montmorillonite organophilised with hexadecyltrimethylammonium bromide (HTAB). A study was made of the microstructure of the nanocomposites using small angle X-ray scattering (SAXS). The melting enthalpies, the crystallinities and the half-time of isothermal crystallisation were evaluated by differential scanning calorimetry. As a result of SAXS experiments for the composite PCL/M-HTAB 90/10 in the temperature range from 313 to 283 K, a rapid change in the interlamellar distance from 3.1 nm to 2.72 nm was observed. Similar scattering curves were obtained for the nanocomposite PCL/M-HTAB 70/30. In the composites containing 50% and 64% wt of M-HTAB, the decrease in interlayer distance was seen to be less pronounced in the same temperature range. Differential scanning calorimetry results are claimed to show clearly that the crystallisation is divided into two separate process: primary crystallisation in the PCL matrix, and secondary crystallisation. 20 refs. > > > > --- > > > **Title: EFFECTS OF SURFACE TREATMENT OF COBALT OXIDE PARTICLES ON THE PROPERTIES OF POLYMETHYLPHENYLSILOXANE BASED NANOCOMPOSITES** > Page Range: p.739-747 > Author(s): Sun J T; Huang Y D; Cao H L; Gong G F > File size: 168K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100184&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 12 > Issue No: No. 8 > > **Abstract** > The objective of this study was to prepare a cobalt oxide/polymethylphenylsiloxane (PMPS) nanocomposite with excellent thermal and endothermal properties. The cobalt oxide nanoparticles were subjected to a grafting treatment with polybutylmethacrylate (PBMA) and then incorporated into heat-resistant polymethylphenylsiloxane. The effects of their grafting treatment on the properties of the nanocomposites were investigated and reported. Results of investigations carried out with a dynamic wetting instruments, transmission electron microscopy, differential thermogravimetry and by a calibration test of the heat flow transducer indicated that PBMA had been grafted onto the surfaces of the cobalt oxide nanoparticles successfully, and that the grafting ratio had reached around 6.6%. Compared with pure PMPS resin, the thermal stability of the untreated cobalt oxide/PMPS composites decreased, but increased for treated cobalt oxide/PMPS composites. The calibration test of the heat flow transducer revealed that the nanocomposite with grafted cobalt oxide nanoparticles had much better endothermal properties than the one with untreated nanoparticles. 26 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THERMAL DEGRADATION OF POLYURETHANE BICOMPONENT SYSTEMS IN CONTROLLED ATMOSPHERES Page Range: p.1-26 Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Raffin G;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THERMAL DEGRADATION OF POLYURETHANE BICOMPONENT SYSTEMS IN CONTROLLED ATMOSPHERES** > Page Range: p.1-26 > Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Raffin G; Grenier-Loustalot M F > File size: 353K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100185&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > > > **Abstract** > The thermal behaviour of bicomponent polyurethanes in conditions of controlled atmosphere and temperature was characterised by determining their heat stability using on-line TGA/FT-IR coupling and off-line TGA/TCT/GC/MS coupling in order to identify the volatile compounds released. Degradation residues were analysed by FT-IR and MALDI-TOF mass spectrometry. A major disadvantage of these thermoplastic elastomers is that one of the components, isocyanate, is toxic. Based on the data obtained with model urethane compounds (para-TI-based) and bicomponent polyurethane polymer (MDI and PEG-based), this paper demonstrates that the thermal degradations are different. Since the various applications to which these materials are applied and the fact that they are exposed to extreme working conditions, reaction mechanisms for their degradation are proposed. 47 refs. > > > > --- > > > **Title: HYDROTHERMAL AGEING OF GF/PP COMPOSITES: WHEN GLASS/POLYMER ADHESION FAVOURS WATER ENTRAPMENT** > Page Range: p.27-35 > Author(s): Lariviere D; Krawczak P; Tiberi C; Lucas P > File size: 173K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100186&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > The aim of this paper is to investigate the effects of hydrothermal ageing on the mechanical behaviour in transverse tension of commingled PP/glass fibre yarn composites with different interfacial qualities, and also to investigate the influence of a silane based glass sizing and of a PP-g-MAH matrix coupling on the water absorption level and on the desorption rate of these materials. It was observed that the aminosilane fibre sizing protected these materials very well against water, and that the fibre sizing resulted in a diminution of the amount of absorbed water. It is shown that the better the adhesion, the longer the water stayed inside the composite material. This appears to be the counterpart of the protecting role against moisture of a strong interface. The interfacial interactions act as barriers during absorption and also during desorption, leading to water molecule entrapment. The persistence of water trapped at the interfaces in the case of sized glass fibres composites, leads to the recommendation to investigate the long term effects on longitudinal tension properties, since the effects of zero-stress ageing are known to reduce fibre strength, it is stated. 29 refs. > > > > --- > > > **Title: AMIDE-CONTAINING BISMALEIMIDE RESINS AND THEIR COPPER FOIL COMPOSITE MATERIALS** > Page Range: p.37-52 > Author(s): Meng-Shun Huang; Ming-Chien Yang; Shen Chou > File size: 425K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100187&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > Amide-containing bismaleimide (ACBI) resins were prepared using four monomeric reactants: 3,4'-oxydialine, trimellitic anhydride, maleic anhydride, and 4-aminobenzoic acid. The chemical structures were characterised using elemental analysis and FTIR. The peel strength, dielectric constant, dissipation factor, heat resistance, and chemical resistance were studied. Experimental results show that the optimal hot-press conditions for ACBI/copper foil laminates was 320 degrees C and 4.9 MPa. ACBI laminates treated with 0.2% NZ97 coupling agent were shown to have the highest peel strength of 2.097 kN/m. After 24 hours at 300 degrees C, the peel strength was 1.568 kN/m, the 1 MHz dielectric constant of ACBI was 3.48, and the dissipation factor was 0.0082. Following a hot/wet treatment for 72 hours, ACBI laminates maintained 76% of their original peel strength. After treating in 10% sulphuric acid solution at 60 degrees C for 30 minutes, ACBI laminates were shown to have maintained 88% of their original peel strength. 16 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF SEMI-TRANSPARENT EPDM/MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.53-60 > Author(s): Hua Zheng; Yong Zhang; Zonglin Peng; Yinxi Zhang > File size: 142K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100188&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > EPDM/organic montmorillonite (OMMT) nanocomposites were prepared via a melt-mixing process in an internal mixer. The nanoscale dispersion of OMMT in the EPDM matrix was verified by X-ray diffraction and transmission electron microscopy, relating to an exfoliated morphology. The effects of OMMT on the mechanical properties, curing behaviour, optical properties and thermal properties of the EPDM/OMMT nanocomposites were studied. Experimental results indicated that the OMMT provided good reinforcement to the EPDM vulcanisates. Tensile strength and tear strength of the nanocomposites significantly increased with increased filler content. The nanocomposite was cured by 2,5-dimethyl-2,5-bis (tert-butyl peroxy) hexane, and was semi-transparent, the OMMT content having little influence on curing behaviour. Increases in glass transition temperature and thermal decomposition temperature were observed, which are claimed to be related to the nanoscale dispersion of the OMMT and the strong interaction between the matrix and filler. In addition, the permeability of oxygen for the nanocomposite is reported to be markedly reduced. 25 refs. > > > > --- > > > **Title: MORPHOLOGY, CRYSTALLINE STRUCTURE AND ISOTHERMAL CRYSTALLIZATION KINETICS OF POLYBUTYLENE TEREPHTHALATE/MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.61-71 > Author(s): Defeng Wu; Chixing Zhou; Xie Fan; Dalian Mao; Zhang Bian > File size: 283K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100189&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > PBTP/montmorillonite (MMT) nanocomposites were prepared by the melt intercalation method, and their microstructure was characterised by wide angle X-ray diffraction and transmission electron microscopy. The XRD results showed that the crystalline plane was smaller than that of unreinforced PBTP, indicating that the crystallite size of PBTP in the nanocomposites could be diminished by the addition of clay. The isothermal crystallisation kinetics of PBTP and PBTP/MMT nanocomposites was investigated by DSC. During isothermal crystallisation the development of crystallinity with time was analysed using the Avrami equation. Results indicated that the addition of very small amounts of clay dramatically increased the rate of crystallisation and high clay concentrations reduced the rate of crystallisation at the low crystallisation temperatures. Activation energies of crystallisation for PBTP and its nanocomposites were calculated by the Arrhenius relationship, and the results showed that the nanocomposites with a low clay content had the lower activation energy values than PBTP, while high amounts of clay, increased the activation energy of PBTP. 25 refs. > > > > --- > > > **Title: FATIGUE BEHAVIOUR OF MULTILAYER BRAIDED FABRIC REINFORCED LAMINATES** > Page Range: p.73-81 > Author(s): Zheng-Ming Huang; Teng X C; Ramakrishna S > File size: 290K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100190&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > This paper investigates the fatigue behaviour of laminated composites made from an epoxy matrix and four layers of flat regular braided carbon fibre fabrics of different braiding angles. Static tensile and tension-tension fatigue tests were conducted for those laminates and detailed fatigue data are reported. Failure mechanisms for the tested laminates are also characterised. When a laminate was fabricated using multilayers of braided fabric laminas of the same braiding angle, no delamination was found. Thus, a braided fabric laminate would be more delamination resistant than an angle plied laminate with the same angle. However, it was found that when the laminate was made of combined laminas with different braiding angles, significant delamination can be found because of the existence of sufficiently high shear stresses between the combined layers. This is claimed to suggest that in order to diminish delamination, a stacking of braided fabric laminae of different braiding angles should be avoided. 16 refs. > > > > --- > > > **Title: THERMAL CONDUCTIVITY OF NEEDLE PUNCHED PREFORMS MADE OF CARBON AND OXIPAN FIBRES** > Page Range: p.83-92 > Author(s): Jae Yeol Lee; Tae Jin Kang > File size: 185K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100191&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > The thermal conductivity of preforms made by a needle punching technique was measured using a tailor-made apparatus. Measurements were carried out in the absence of the matrix resin to find the thermal conductivity of the preforms themselves. The preforms were made with a variety of material compositions and textile structures, and various needle punching densities. Preforms made of woven fabric are reported to have shown higher thermal conductivity than those of felt fabric. It was also shown that needle punching density had a strong influence on the thermal conductivity. An increase in the needle punching density decreased the thermal conductivity along the in-plane direction, and increased it along through-the-thickness direction. An analytical model for thermal conduction in both directions was devised, and the results were seen to be consistent with those achieved experimentally. The thermal conductivity of the rearranged fibres in the punching hole was estimated by parametric studies. 20 refs. > > > > --- > > > **Title: INFLUENCE OF ELECTRON BEAM IRRADIATION AND STEP-CROSSLINKING PROCESS ON SOLVENT PENETRATION AND THERMAL PROPERTIES OF NATURAL RUBBER VULCANIZATES** > Page Range: p.93-103 > Author(s): Madani M; Badawy M M > File size: 143K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100192&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > The influence of electron beam irradiation and step-cross-linking on the properties of high abrasion furnace carbon black loaded natural rubber vulcanisates is reported. Results of the tests concluded that the polymer-filler interaction for samples vulcanised by a one-step crosslinking process was high compared with that for those vulcanised via a two-step crosslinking process. The study also examined the effect on solvent (methyl ethyl ketone) penetration into the loaded vulcanisate. The maximum amount of solvent uptake decreased with the carbon black content and also with the irradiation dose, while the thermal conductivity increased because of an increase in crosslink density. The model proposed by Agari et al to calculate the effective thermal conductivity of the composite was tested as a function of electron beam irradiation dose and the step-crosslinking process. 41 refs. > > > > --- > > > **Title: GRAFT COPOLYMERS OF POLY(METHYL METHACRYLATE) ON CELLULOSE AND THEIR USE AS SUPPORTS IN METAL ION SORPTION** > Page Range: p.105-116 > Author(s): Chauhan G S; Kumar S; Verma M; Sharma R > File size: 139K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100193&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 1 > > **Abstract** > In order to develop new polymeric materials for environmental technologies based on cellulose, methyl methacrylate was graft copolymerised using benzoyl peroxide as free radical initiator. The cellulose was extracted from pine needles. Reaction conditions for optimum grafting were evaluated. These included concentrations of monomer and initiator, reaction time and temperature, and the nature, amount and composition of the solvent system. Graft copolymers were characterised by FTIR, elemental analysis and swelling behaviour in water and dimethyl formamide. Attempts were made to evaluate the effect of comonomer concentration on the grafting behaviour of methyl methacrylate and on the structure of the copolymers. Candidate copolymers were used as supports for the sorption of metal ions, and results were compared with those obtained using native cellulose, cellulose phosphate and oxycellulose. 22 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: FRACTURE TOUGHNESS OF DISCONTINUOUS LONG GLASS FIBER REINFORCED POLYPROPYLENE: AN APPROACH BASED ON A NUMERICAL PREDICTION OF FIBER ORIENTATION IN INJECTION MOLDING Page Range: p.121-130... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: FRACTURE TOUGHNESS OF DISCONTINUOUS LONG GLASS FIBER REINFORCED POLYPROPYLENE: AN APPROACH BASED ON A NUMERICAL PREDICTION OF FIBER ORIENTATION IN INJECTION MOLDING** > Page Range: p.121-130 > Author(s): Rizov V; Harmia T; Reinhardt A; Friedrich K > File size: 467K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100194&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > > > **Abstract** > The fracture toughness of discontinuous long glass fibre reinforced injection moulded polypropylene was characterised using the microstructural efficiency concept in combination with a numerical prediction of the fibre orientation during injection moulding, using Sigmasoft commercial computer software. In a three-dimensional numerical scheme, fibre volume fractions, shear viscosity and mean fibre aspect ratio data were input in order to perform a mould filling analysis. The resultant local fibre orientation parameters for injection moulded square plates of long glass fibre reinforced PP permitted the calculation of the local fracture toughness using the microstructural efficiency concept. This was compared with the experimental toughness values obtained by the use of compact tension test specimens. A good correlation between the calculated fracture toughness data and the measured ones was reported to indicate that a fibre orientation prediction by the Sigmasoft finite element computer code, could be used in combination with the microstructural efficiency concept for the determination of local fracture toughness values in injection moulded long glass fibre reinforced thermoplastics. It is claimed that this combined approach provides good opportunities for the optimisation of a thermoplastic workpiece in its design with respect to local fracture resistance, which will in turn provide extended areas of application within the engineering sector. 13 refs. > > > > --- > > > **Title: STRUCTURAL INVESTIGATION INTO POLY-P-PHENYLENEBENZOBISOXAZOLE FIBRES** > Page Range: p.131-137 > Author(s): Sharma L; Mizoo O; Pezzotti G > File size: 250K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100195&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > Polyparaphenylene benzobisoxazole fibres (Zylon) are characterised by heat resistance, high modulus and high strength. High resolution Raman piezospectroscopy and electron microscopy were used to quantify the relationship between the structure and the mechanical properties of the fibre. This work reports on the structural changes occurring in two poly paraphenylene benzobisoxazole fibres prepared under different processing conditions. Fibre A was coagulated in aqueous phosphoric acid and fibre B was produced by heat treating fibre A at 650 degrees C under 0.7 GPa tension. The ordered and disordered morphology relating this to probable liquid crystal formation, is revealed. The research is claimed to demonstrate the fundamental importance of polymer processing conditions to the subsequent polymer properties. By undergoing a heat treatment stage, stronger fibres were obtained. 10 refs. > > > > --- > > > **Title: TOUGHENING OF POLYPROPYLENE HIGHLY FILLED WITH ALUMINIUM HYDROXIDE** > Page Range: p.139-150 > Author(s): Zhanpai Su; Pingkai Jiang; Qiang Li; Ping Wei; Yong Zhang > File size: 304K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100196&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > The flame retardant and mechanical properties of rubber-modified, aluminium hydroxide filled PP were studied, together with its morphology. The PP was toughened with EPDM and zinc neutralised sulphated EPDM ionomer. The PP matrix, when high filled with aluminium hydroxide particles can achieve an adequate level of flame retardancy, but there is a decrease in the mechanical properties due to an inadequate adhesion between the aluminium hydroxide particles and the PP matrix, and also the tendency for the filler to agglomerate. By using zinc neutralised sulphated EPDM ionomer instead of EPDM the tensile properties were shown to improve with only a slight decrease in toughness, due to improvements in the interfacial adhesion between modifier and matrix. SEM micrographs showed that the rubber phase was dispersed in the continuous PP matrix, and that most aluminium hydroxide particles were uniformly distributed in the rubbery phase, and that much finer rubbery domains were found in the PP/Zn-S-EPDM/aluminium hydroxide composites. 28 refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF STARCH AND ACRYLAMIDES BASED HYDROGELS** > Page Range: p.151-165 > Author(s): Chauhan G S; Kumari A; Sharma R > File size: 524K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100197&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > In order to synthesise a variety of hydrogels for use in drug delivery and environmental management technologies, starch was graft copolymerised with three acrylamides: acrylamide, 2-acrylamido-2-methylpropanesulphonic acid and N-isopropyl acrylamide. The synthesis was carried out at two different temperatures, including the gelatinisation temperature of starch (70 degrees C). A redox system, consisting of ammonium persulphate and ferrous ammonium sulphate was used to initiate the polymerisation reactions. Using the same reaction conditions that were used to obtain graft copolymers, crosslinked networks of all three acrylamides and starch were also synthesised in the presence of various concentrations of N,N-methylene bisacrylamide as crosslinker, and also at two different temperatures. The hydrogels were characterised by FTIR and thermal studies to identify some structural aspects and to obtain evidence of network formation. Water uptake by the hydrogels was studied as a function of time, temperature and pH level. Some of the hydrogels were found to be good absorbers of water and it was observed that the synthetic conditions affected their structure, which in turn affected their water uptake. The hydrogels produced were found to be environment-sensitive and showed significant volume transitions when small changes were made in their environment. These responses of the hydrogels to the changes in their environment can be effectively used in environmental management technologies for the remediation of pollutants and in drug delivery devices. 16 refs. > > > > --- > > > **Title: POLYACRYLATE/(CHITOSAN MODIFIED MONTMORILLONITE) NANOCOMPOSITE: WATER ABSORPTION AND PHOTOSTABILITY** > Page Range: p.167-172 > Author(s): Haixia Qiu; Jiungao Yu; Junli Zhu > File size: 117K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100198&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > It is known that the water absorption of polyacrylate (PAA)-based superabsorbent polymers decreases in sunlight after a long time. To reduce this, polymer/montmorillonite (MMT) nanocomposites have been developed with photostability. However, the preparation of PPA/MMT nanocomposites is reported to be difficult because it is not easy for PAA to intercalate into MMT sheets. The modification of MMT with hydrophilic molecules is therefore necessary. Montmorillonite was modified with chitosan to facilitate intercalation. It was found that the water absorption of the PAA/modified MMT composite increased by 91 g/g. FTIR analysis identified that the drive for intercalation could arise from the strong interaction between chitosan and MMT. 20 refs. > > > > --- > > > **Title: POLYPROPYLENE/ETHYLENE-OCTENE COPOLYMER/ORGANIC-MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.173-180 > Author(s): Minyan Guo; Xiaodong Zhou, Gance Dai; Fuzeng Hu > File size: 238K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100199&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > Propylene (PP)/ethylene-octene copolymer(POE)/organic montmorillonite (OMMT) nanocomposites were prepared by melt compounding. PP grafted with maleic anhydride (MPP) was added as the compatibilising agent. Analyses were carried out by wide-angle X-ray diffraction, TEM and SEM, which indicated that polymer chains had intercalated into OMMT, and that some of the OMMT had delaminated into nanolayers dispersed in the PP matrix. Mechanical tests showed that the addition of POE had increased the toughness of PP, but decreased its stiffness, but that when OMMT and MPP were added, the toughness of PP increased greatly, with no profound change in the stiffness. DSC was used to study the melt and crystallisation behaviour of the composites. Results indicated that OMMT and MPP had acted as effective nucleating agents. 14 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF A WATER-SWELLING RUBBER BY IN SITU FORMED LITHIUM ACRYLATE IN NITRILE RUBBER** > Page Range: p.181-190 > Author(s): Wentan Ren; Zonglin Peng; Yong Zhang; Yinxi Zhang > File size: 188K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100200&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > Lithium acrylate (LiAA) was in situ prepared in nitrile rubber (NBR) through neutralisation of lithium hydroxide (LiOH) and acrylic acid (AA) during mixing. The NBR/LiAA compounds were vulcanised with dicumyl peroxide (DCP). The in-situ preparation and polymerisation of LiAA were characterised using FTIR spectrometry. The micrographs of the compounds and vulcanisates were explored using SEM. The effects of DCP and LiAA contents on the water-swelling and mechanical properties of the vulcanisates were studied, and the relationship between the LiOH/AA molar ratio and the properties of the vulcanisates was investigated. Results showed that the in situ formed LiAA could improve the mechanical and water-swelling properties of the NBR/LiAA vulcanisates. Properly compounded vulcanisates were found to have high water-swelling ratios over 800%, and tensile strength of ore than 12MPa. DSC measurements indicated that he water absorbed in the vulcanisate existed in PLiAA and NBR networks in three different physical states, namely: free water, freezable bound water and non-freezable bound water. 36 refs. > > > > --- > > > **Title: SYNTHESIS OF MULTIBLOCK COPOLYMERS OF POLY(2-VINYLPYRIDINE) AND POLYOXYETHYLENE AND THEIR APPLICATION AS COMPATIBILIZERS FOR EPICHLOROHYDRIN RUBBER/POLY(VINYL CHLORIDE) BLENDS** > Page Range: p.191-198 > Author(s): Chaoyang Wang > File size: 169K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100201&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > Multiblock copolymers of poly(2-vinylpyridine) and polyoxymethylene were synthesised by condensing telechelic dihydroxy poly(2-vinylpyridine) and polyoxymethylene with dichloromethane in the presence of potassium hydroxide. The block copolymers behaved as good compatibilisers for the blending of epichlorohydrin rubber with polyvinyl chloride.. It was found that by adding approximately 2-3% block copolymer to the blends improved the mechanical properties. 20 refs. > > > > --- > > > **Title: SYNTHESIS, CHARACTERIZATION AND PROPERTIES OF SILICON DIOXIDE-POLYAMIDE HYBRID FILM** > Page Range: p.199-207 > Author(s): Zhang C H; Zhang Z Q; Li Q Y; Cao H L > File size: 175K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100202&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 2 > > **Abstract** > This study reports on the preparation of silicon dioxide-polyimide hybrid films, from polyamic acid solution and a nano-silicon dioxide precursor. The process for making the polyimide was characterised by FTIR spectra. FT-IR XPS, SEM were used to characterise the silicon dioxide-polyimide hybrid film. Nanoindentation properties and the thermal stability of the polyimide film and the silicon dioxide-polyimide films were investigated by means of a Nano indenter XP and a ZRY-2P thermoanalysis instrument respectively. TGA evidence suggested that the thermal stability of the silicon dioxide-polyimide hybrid film was better than that of the polyimide film and that the thermal decomposition temperature was increased from 547.8 degrees C to 567.5 degrees C. 18 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: ORGANIC VAPOUR SENSOR FROM CARBON BLACK FILLED AMORPHOUS POLYMER COMPOSITE: EFFECTS OF PROCESSING, CARBON FIBRES AND IRRADIATION Page Range: p.213-221 Author(s): Xian Ming Dong; Ruo... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: ORGANIC VAPOUR SENSOR FROM CARBON BLACK FILLED AMORPHOUS POLYMER COMPOSITE: EFFECTS OF PROCESSING, CARBON FIBRES AND IRRADIATION** > Page Range: p.213-221 > Author(s): Xian Ming Dong; Ruo Wen Fu; Ming Qui Zhang; Bing Zhang; Min Zhi Rong > File size: 209K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100203&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > > > **Abstract** > Carbon black filled polybutyl methacrylate composites for use as organic vapour sensors were fabricated by polymerisation filling. It was found that the composites have a wide synthesis window, giving composite materials with high gas sensitivity under different conditions. In comparison with composites made by solution mixing, these composites made by polymerisation filling were shown to have a much higher responsivity to organic vapours because of the superior distribution of the filler particles. The addition of a third component, vapour-grown carbon fibres and the post-treatment of the composites by gamma-irradiation is claimed to have proven effective in enhancing response stability. This paper focuses on the effects of synthesis conditions such as reaction time, reaction temperature and initiator content, on the number-average molecular weight of the resultant polymer matrix, and the electrical responsivity of the resultant composites against organic vapours. Also evaluated, were the inclusion of the vapour-grown carbon fibres and the irradiation treatment. 20 refs. > > > > --- > > > **Title: COMMERCIAL DENTAL COMPOSITE: DETERMINATION OF REACTION ADVANCEMENT AND STUDY OF THE MIGRATION OF ORGANIC COMPOUNDS** > Page Range: p.223-234 > Author(s): Sanglar C; Defay M; Waton H; Bonhommme A; Alamercery S; Baudot R; Piasse O; Grenier-Loustalot M F > File size: 201K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100204&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > This work investigates the role of residual reactive methacrylate functions a the end of the photopolymerisation cycle of organic dental composites, and examines the behaviour of the residual monomers and oligomers in organic (ethanol) and aqueous (water and artificial saliva) media. Results indicate that all the methacrylate monomers present in dentine migrate into ethanol, whereas in aqueous media, only the most hydrophilic monomer (urethane dimethacrylate(UDMA)) migrated into water and artificial saliva. The desorption in the three media is accompanied by the hydrolysis of monomers, leading to the formation of monohydrolysed UDMA and bisphenyl glycidyl dimethacrylate (BISGMA). UDMA and BISGMA were completely hydrolysed in the artificial saliva. It was suggested that the alkalinity of the medium favoured the hydrolysis of methacrylate functions. 26 refs. > > > > --- > > > **Title: CURE SIMULATION OF HEMP FIBRE ACRYLIC BASED COMPOSITES DURING SHEET MOLDING PROCESS** > Page Range: p.235-244 > Author(s): Behzad T; Sain M > File size: 173K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100205&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > This aim of this study is to provide a model to predict the cure behaviour and temperature variations of hemp fibre acrylic based composites during the process of sheet moulding, and to evaluate the predicted values with experimental results. The composites are designated for use in the automotive industry. A finite difference method was applied to predict the cure behaviour and temperature variation of hemp fibre acrylic based composites during the process. Dynamic differential scanning calorimetry was used to determine the kinetic parameters for the curing reaction at different heating rates. It was found that the experimental and predicted values were in good agreement at the lower heating rate. The thermophysical properties of the resin, fibre and composite were obtained to use in the model. The temperature profile and the degree of cure of the composite with 40% resin and 60% fibre were simulated, and a comparison of numerical results with known experimental data confirmed the approximate validity of the model. 19 refs. > > > > --- > > > **Title: COVALENTLY CONNECTING NANOPARTICLES WITH EPOXY MATRIX AND ITS EFFECT ON THE IMPROVEMENT OF TRIBOLOGICAL PERFORMANCE OF THE COMPOSITES** > Page Range: p.245-252 > Author(s): Ying Luo; Min Zhi Rong; Ming Qui Zhang > File size: 345K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100206&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > Graft polymerisation of glycidyl methacrylate, which can form chemical bonding with epoxy during the subsequent composites manufacturing, onto the surface of nanoparticle-sized silicon carbide, proved to be an effective method of producing nano-silicon carbide epoxy composites with high tribological performance. Graft polymerisation by means of soapless emulsion polymerisation resulted in composite particles consisting of silicon carbide core and polymeric shell, in which the polyglycidyl methacrylate (PGMA) was bonded to the nanoparticles by the double bonds introduced during the pretreatment with a coupling agent. Compared with untreated such particles, the grafted versions were shown to exhibit improved dispersibility, and in addition were able to establish chemical bonding between the fillers and matrix through the reaction between the epoxide groups and the curing agent when compounded with epoxy. As a result of these advantages, the epoxy composites filled with PGMA-grafted nano silicon carbide particles demonstrated high sliding wear resistance and low frictional coefficient at a low filler loading. 19 refs. > > > > --- > > > **Title: FIBRE ORIENTATION AND MECHANICAL PROPERTIES OF SHORT GLASS FIBRE REINFORCED PP COMPOSITES** > Page Range: p.253-262 > Author(s): Minjie Chen; Chaoying Wan; Yong Zhang; Yinxi Zhang > File size: 303K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100207&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > The fibre orientation and distribution in short glass fibre reinforced polypropylene composites were measured, and an orientation function was introduced to describe the fibre orientation distribution. The fibre orientation distribution in the same level plane was shown to depend on the fibre position in an injection moulded plate. Maleic anhydride grafted PP (MAPP) was used as a compatibiliser. The use of the compatibiliser improved the interfacial adhesion between the short glass fibres and the PP, and consequently the mechanical properties. Improvements in tensile strength and impact properties are discussed with reference to the use of short glass fibre reinforcement and MAPP in the composites. 25 refs. > > > > --- > > > **Title: SURFACE MODIFICATION OF PBO FIBRES BY GAMMA-RAY IRRADIATION: EFFECTS ON INTERFACIAL PROPERTIES OF THEIR EPOXY COMPOSITES** > Page Range: p.263-270 > Author(s): Zhang C H; Huang Y D; Liu L > File size: 179K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100208&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > Surfaces of polyphenylene bezobisoxazole (PBO) fibres were grafted with epichlorohydrin by a gamma irradiation method. The influence of the irradiation dose on the interfacial shear strength (IFSS), interlaminar shear strength (ILSS) and the fibre wettability were investigated. The fibre surface composition and the shear fracture topography of PBO fibre/epoxy resin composites were also analysed by X-ray photoelectron spectroscopy and scanning electron microscopy respectively. Results were able to indicate the optimal irradiation dose for fibre surface modification, and details are given of improvements to IFSS, ILSS and wettability of the fibres. SEM indicated that the improved interfacial adhesion resulted in a change in the failure mode of PBO fibre/epoxy composite from an adhesive-type interfacial failure to a cohesive-like matrix failure. 14 refs. > > > > --- > > > **Title: CAPILLARY EXTRUSION RHEOLOGY AND THERMAL STABILITY OF EVA/ORGANOMONTMORILLONITE NANOCOMPOSITES** > Page Range: p.271-280 > Author(s): Dazhu Chen; Weian Zhang; Pingsheng He > File size: 181K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100209&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > EVA copolymer-based nanocomposites based on organomontmorillonite were prepared by melt compounding. A partially intercalated, partially exfoliated structure was revealed in the nanocomposites by X-ray diffraction and transmission electron microscopy. Attention was paid to the steady shear rheological properties of the nanocomposites via a capillary rheometer. It was found that an increased n temperature improved the flow properties, but decreased the pseudoplasticity of the melts. With increasing shear stress (or shear rate), the shear viscosity and flow activation energy dropped, while the extrudate swell ratio rose. The addition of organomontmorillonite led to a reduction in both the shear viscosity and swell ratio of the nanocomposites compared to the EVA matrix. The thermal stability of the EVA and EVA/organomontmorillonite nanocomposites was also examined by means of thermogravimetric analysis techniques. 31 refs. > > > > --- > > > **Title: EVALUATION OF THE MECHANICAL AND ULTRASONIC PROPERTIES OF BUTADIENE-ACRYLONITRILE RUBBER CONTAINING SHORT ARAMID FIBRES** > Page Range: p.281-299 > Author(s): Helaly F M; El-Sabbagh S H; El-Latif L A > File size: 509K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100210&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > Short aramid fibres were incorporated into butadiene-acrylonitrile copolymer rubber (NBR), and an adhesion system consisting of hydrated silica, resorcinol and hexamethylene tetramine, was used to strengthen the bond between the rubber and the fibres. Rheological, tensile, and ultrasonic properties and hardness were characterised. It was found that the properties of the composites improved as the fibre content increased up to 30 phr by weight. Longitudinal and transverse ultrasonic velocities were used to calculate the elastic parameters of the composites. These results were then used to assess the bonding between the fibres and the rubber matrix as well as the sound absorptive potential of the composites. SEM showed the fibre distribution in the rubber to be satisfactory. Regression analysis was used to clarify the correlation between the longitudinal tensile strength and ageing over time. It was found that the strain energy increased with fibre content, while the fatigue life decreased. 28 refs. > > > > --- > > > **Title: MODIFICATION OF SODIUM SALT OF PARTIALLY CARBOXYMETHYLATED GUAR GUM BY GRAFT COPOLYMERIZATION WITH METHYL ACRYLATE** > Page Range: p.301-312 > Author(s): Trivedi J H; Patel N K; Trivedi H C; Kalia K > File size: 215K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100211&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > The grafting of methyl acrylate onto sodium salt of partially carboxylated guar gum was carried out using ceric ammonium nitrate as the redox initiator in an aqueous medium. Reaction variables observed included varying concentrations of initiator, nitric acid, monomer and amount of the backbone, in addition to time and temperature variations, in order to establish the optimised reaction conditions for grafting. The influence of these reaction parameters on the grafting yields and the rates of polymerisation, graft copolymerisation and homopolymerisation, were also studied. A kinetic scheme of free radical graft copolymerisation was proposed and the experimental results were found to agree very well with the proposed kinetic scheme. The graft copolymer sample was characterised by IR spectroscopy, thermal and scanning electron microscopic techniques. 25 refs. > > > > --- > > > **Title: AROMATIC DIAMINES AS COOPERATIVE COMPATIBILIZERS AND IMPACT MODIFIERS IN LDPE/HIPS BLENDS** > Page Range: p.313-320 > Author(s): Pospisil J; Michalkova D; Fortelny I; Krulis Z; Slouf M > File size: 206K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100212&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 3 > > **Abstract** > The use is examined of compatibilisers and stabilisers for blends of reclaimed polymers in order to enhance the feasibility of mechanical recycling, and to improve the mechanical properties of the recyclates. This work deals with LDPE. The impact strength of recycled or pre-aged (recyclate model) LDPE/HIPS blends, compatibilised with styrene-butadiene copolymer/ethylene-propylene rubber was enhanced and fineness of the phase structure of the system was improved by the use of N,N'-disubstituted 1,4-phenylenediamine co-additives. Mechanism of the strong synergistic compatibilisation effect was explained by LDPE grafting with styrene-butadiene copolymer, mediated by the bifunctional amine additive. 21 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: SOLUTION RHEOLOGY OF POLY(VINYL ALCOHOL)/SILICA HYBRID NANOCOMPOSITES Page Range: p.429-441 Author(s): Bandyopadhyay A; De Sarkar M; Bhowmick A K File size: 207K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: SOLUTION RHEOLOGY OF POLY(VINYL ALCOHOL)/SILICA HYBRID NANOCOMPOSITES** > Page Range: p.429-441 > Author(s): Bandyopadhyay A; De Sarkar M; Bhowmick A K > File size: 207K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100221&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > > > **Abstract** > The solution behaviour of polymer/silica hybrid nanocomposites was investigated using a Brookfield viscometer. The nanocomposites were prepared using the sol-gel technique with tetraethoxysilane as the precursor for silica. This paper is divided into two parts: the first part deals with the measurement of the solution viscosity of acrylic rubber/silica, epoxidised NR/silica and PVA/silica nanocomposites at room temperature (30 degrees C) at intervals of 24 h for 5 days. The second part of the paper reports on a detailed investigation of the solution behaviour of PVA/silica nanocomposites, as it registered the biggest rise in viscosity with time after 5 days of study. 22 refs. > > > > --- > > > **Title: THE EFFECT OF SOLVENT ON THE MISCIBILITY OF BLENDS OF POLY 1-[4-(3-CARBOXY-4-HYDROXY-PHENYLAZO)BENZENE SULPHONAMIDO-1,2-ETHANEDIYL,SODIUM SALT)] (PAZO) AND POLYHYDROXYBUTYRATE (PHB)** > Page Range: p.443-452 > Author(s): Sharma L; Nishida K; Kanaya T > File size: 171K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100222&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > In order to meet the demand for an eco-friendly, cost-effective photonic material, blends were prepared of poly-1[4-(3-carboxy-4-hydroxy-phenylazo)benzene sulphonamide-1,2-ethanediyl, sodium salt)], (PAZO), and polyhydroxybutyrate (PHB). The behaviour was analysed of PAZO/PHB blends in various solvents, dependent on the solubility parameter calculations for amorphous PHB. Differential scanning calorimetry was used to determine the glass transition temperatures and to assess miscibility. This paper aims to address and establish the effect of the solvent on the miscibility of PHB/PAZO blends. It was established that a complex was formed at high PHB concentrations via the O-H bond of the PHB and PAZO in all solvents. 32 refs. > > > > --- > > > **Title: EFFECTS OF FIBRE SURFACE TREATMENT ON DYNAMIC TENSILE PROPERTIES OF GLASS WOVEN FABRIC REINFORCED VINYLESTER COMPOSITES** > Page Range: p.453-466 > Author(s): Jang-Kyo Kim; Man-Lung Sham; Min-Seok Sohn; Shisheng Hu > File size: 330K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100223&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > This paper is a continuation of previous studies on the characterisation of mechanical and fracture properties of glass fibre vinyl ester matrix composites with a controlled fibre surface treatment. The mechanical responses of composites under impact tensile loading are compared with the corresponding static behaviour so as to identify the sensitivity of interface properties on strain rate dependent tensile behaviour. The effect of the weave structure was also specifically evaluated by loading the composites in the weft and warp directions of the woven fabric reinforcement. Results indicated that both the ductility and the strength of the composites increased with increasing strain rate. The tensile strength was lower and the failure strain was higher in the weft direction than in the warp direction, because of excessive crimping in the former direction. The tensile strength in general increased with increasing silane concentration, for the majority of strain rates studied. The influence of fibre surface treatment on the impact tensile strength and modulus of composites were found to be functionally similar, confirming the fibre-matrix interphase properties on composite fracture behaviour at high strain rates. 30 refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF REACTIVE GRAFT COPOLYMERS OF POLY(BUTYL ACRYLATE) AND CELLULOSE** > Page Range: p.467-477 > Author(s): Chauhan G S; Singh B; Kumar S; Chinkara A > File size: 190K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100224&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > Butyl acrylate was graft copolymerised onto cellulose extracted from pine needles by a simultaneous gamma radiation initiation method. Optimum conditions for the maximum graft yield are reported. Polymerisation and grafting parameters such as percentage grafting, percentage grafting efficiency, rate of polymerisation, homopolymerisation and graft copolymerisation were also determined. Grafted cellulose was further functionalised to produce poly(acryloyl hydroxylamine) [Cell-g-poly(CONHOH)] so as to generate active (-CONHOH)groups on the cellulose backbone. Graft copolymers were also characterised by elemental analysis by FTIR and by a swelling study. In addition, an attempt was made to study the sorption of ferrous ion and copper ions as model metal ions onto the candidate copolymers in order to investigate their selectivity in metal ion sorption and to determine the effect on metal ion sorption of the structural aspects of the hydrogels and other functionalised graft copolymers, so as to identify their end-uses. 11 refs. > > > > --- > > > **Title: INFLUENCE OF CHOPPED FIBRE LENGTH ON THE MECHANICAL AND THERMAL PROPERTIES OF SILK FIBRE-REINFORCED POLY(BUTYLENE SUCCINATE) BIOCOMPOSITES** > Page Range: p.479-488 > Author(s): Sang Muk Lee; Seong Ok Han; Donghwan Cho; Won Ho Park; Seung Goo Lee > File size: 171K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100225&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > Chopped silk fibre biocomposites based on polybutylene succinate (PBS) were prepared, and the influence of the fibre length on the mechanical and thermal properties of the biocomposite were investigated. In particular, tensile and flexural properties, thermal stability, thermal expansion and dynamic mechanical properties were evaluated. The results are claimed to demonstrate that the chopped silk fibres play an effective role in improving the mechanical properties of PBS in the present system. At a fixed fibre loading of 40 wt% the tensile strength and modulus of the PBS control were improved by 69% and 228% respectively, in comparison with those of the biocomposite reinforced with 25.4 mm silk fibres. Improvements in thermal properties are also reported. 14 refs. > > > > --- > > > **Title: ON THE TRANSIENT HYGROSCOPIC STRESSES IN POLYMER MATRIX LAMINATED COMPOSITES PLATES WITH CYCLIC AND UNSYMMETRIC ENVIRONMENTAL CONDITIONS** > Page Range: p.489-503 > Author(s): Tounsi A; Bouazza M; Meftah S; Adda-Bedia E > File size: 225K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100226&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > This work aims to provide data on the long-term behaviour of aircraft structural components based on polymer matrix composites, subjected to severe environmental conditions. The emphasis of the research is on their ability to withstand cyclic variations of moisture and temperature, which induces transient residual stresses within the plies. Such stresses need to be taken into consideration in the design of composite aircraft structures. In this paper, the transient hygroscopic stresses induced by cyclic and unsymmetric environmental loadings which simulate an aeronautical application, are investigated. It is shown that the heterogeneity and anisotropy of such plates generally result in transient stress distributions which are very different from the equilibrium stress distribution. Some stacking sequences exhibited important stresses within the plies, which need to be taken into account in the design of composite structures submitted to a moist environment. 17 refs. > > > > --- > > > **Title: THERMODYNAMIC AND KINETIC CONSIDERATIONS - EFFECT OF ORGANIC SILOXANE ON MMA POLYMERIZATION** > Page Range: p.505-512 > Author(s): Xiaobo Deng; Shunsheng Cao; Bailing Liu; Songjun Li > File size: 114K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100227&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > This study discusses the reasons for an increase or decrease in the conversion and polymerisation rates of siloxane-acrylate copolymers, and highlights some extra information related to the copolymerisation process. The effects of 3-(methacryloxypropyl)-trimethoxysilane (MATS) and vinyl trimethoxysilane (VTMOS) on methyl methacrylate (MMA) polymerisation are thus investigated. The two co-monomers appear to show opposite effects. The polymerisation shows a high rate of polymerisation and extend of conversion in the presence of MATS, than in its absence. However, a lower rate of polymerisation and extent of conversion are obtained in the presence of VTMOS. The difference is explained in terms of the different roles of the co-monomers. The increase in the rate of polymerisation and conversion with MATS was attributed to the higher reactivity of monomers and the lower conversion with VTMOS was attributed to the electronic effects associated with VTMOS which can decrease the electric density of the active double bond in MMA, and therefore deactivate the polymerisation. Further investigation indicated that the change of free energy in the polymerisation with MATS was lower than without MATS. In addition, monomer reactivity in the presence of MATS was higher than in its absence. The decrease in monomer reactivity is thought to be responsible for increasing the rate of polymerisation. 24 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERISTICS OF REACTIVE BLENDS OF PHOSPHATE-CONTAINING MALEIMIDE AND EPOXY RESINS** > Page Range: p.513-524 > Author(s): Wei-Jye Shu; Hsiu-Jung Chiu > File size: 194K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100228&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > Novel phosphorous-containing maleimide monomers were blended with epoxy resins to elucidate the influence of maleimide segments on the physical properties of epoxy resins. Three kinds of phosphate-containing maleimide (PMI) monomers, namely, diethyl (4-(N-maleimido) phenyl) phosphate (4P) diphenyl (4-(N-maleimido) phenyl) phosphate (PP) and diethyl (2,6-dibromo-4-(N-maleimido)phenyl) phosphate (BrP) were synthesised and blended with a bisphenol type epoxy in order to study their potential as reactive flame retardants. Increasing the PMI contents was shown to reduce the storage modulus, the Tg and the tensile strength, whilst maintaining good thermal stability. 30 refs. > > > > --- > > > **Title: MAGNESIUM DIOXIDE/EPOXY RESIN NANOCOMPOSITE PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION** > Page Range: p.525-527 > Author(s): Cheng Yiyun; Cui Ronghui; He Pingsheng > File size: 91K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100229&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > A new method of preparing magnesium hydroxide/epoxy resin nanocomposites is presented. An epoxy resin micro-emulsion is taken as a micro-reactor for the formation of magnesium hydroxide nano-crystals. After the reaction, the collected epoxy proved to be a composite with embedded nano-magnesium hydroxide. Transmission electron microscopy indicated that the magnesium hydroxide nano-crystals were dispersed uniformly n cured epoxy resin matrix. It is claimed that the composite could find wide application in optical, electronic and other devices. 13 refs. > > > > --- > > > **Title: FLAME RETARDANCY OF NANOCOMPOSITES - FROM RESEARCH TO REALITY. REVIEW** > Page Range: p.529-538 > Author(s): Kabelwerk Eupen AG > File size: 156K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100230&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 5 > > **Abstract** > Nanocomposites incorporating modified layered silicates as fillers dispersed at the nm-level within a polymer matrix are examined with respect to their inherent flame retardancy. The flame retardancy mechanism is reported to be based on the char formation and its structure. The char insulates the polymer from heat and acts as a barrier, reducing the escape of volatile gases from the polymer combustion. In addition, the combination of organoclays with traditional flame retardants is shown to be a means of further improving the flame retardant properties of polymers. The cone calorimeter is used as a tool for the investigation of flame retardancy. 9 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THERMOFORMING COMPLEX PARTS FROM UNCONSOLIDATED AND CONSOLIDATED POLYPROPYLENE/GLASS FIBRE FABRICS Page Range: p.543-558 Author(s): Trudel-Boucher D; Fisa B; Denault J; Gagnon P File size: 414K... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THERMOFORMING COMPLEX PARTS FROM UNCONSOLIDATED AND CONSOLIDATED POLYPROPYLENE/GLASS FIBRE FABRICS** > Page Range: p.543-558 > Author(s): Trudel-Boucher D; Fisa B; Denault J; Gagnon P > File size: 414K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100231&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > > > **Abstract** > Thermoforming of unconsolidated and consolidated PP/glass fibre fabrics was studied for two mould geometries: a square mould and a mould with three studs. The principal objective of this study was to evaluate the feasibility of direct thermoforming of unconsolidated fabrics in complex moulds, since this process offers the potential of reducing the cost of the raw material by eliminating the separate consolidation step performed prior to moulding. In this work, the unconsolidated and consolidated fabrics plies were heated in a convection oven and transferred to a press to be simultaneously conformed and re-consolidated using a rubber punch and a metal cavity. Results showed that a similar product quality (evaluated by the void content), could be obtained with unconsolidated and consolidated fabrics once conformation to the mould shape had been achieved. It was found that a minimal forming temperature of 215 degrees C was required to achieve conformation to the mould shape, and that minimal forming pressures of 2 and 3 MPa had to be applied to achieve the same objective for the consolidated and unconsolidated fabric. In addition, an increase in the punch hardness, variation of the fabric orientation, and an increase in the number of vents, was found to reduce the pressure necessary to produce conformation to the mould shape. 21 refs. > > > > --- > > > **Title: MULTIPLE INJECTION PORT SIMULATION FOR RESIN INJECTION PULTRUSION** > Page Range: p.559-70 > Author(s): Rahatekar S S; Roux J A; Lackey E; Vaughan J G > File size: 243K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100232&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > The aim of this research was to predict the effect of multiple resin injection ports on the magnitude of the resin injection pressure needed to achieve complete wet-out of the fibres in the injection chamber. The work focuses on the use of epoxy/glass rovings and polyester/glass rovings composites. The recommended injection pressures for complete wet-out are predicted for a variety of processing parameters. Darcy's law for flow through porous media is used for modelling the fibre/resin system of injection pultrusion. The governing equations are solved via the finite element volume method to predict the resin pressure field, the resin velocity field and the location and shape of the resin flow front. Different permeability models were used to determine the transverse and longitudinal permeabilities. 7 refs. > > > > --- > > > **Title: EFFECT OF EPOXY RESIN ON THE MECHANICAL PROPERTIES AND MELT VISCOELASTIC BEHAVIOUR OF POLY(BUTYLENE TEREPHTHALATE)/MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.571-80 > Author(s): Defeng Wu; Chixing Zhou; Xie Fan; Dalian Mao; Zhang Bian > File size: 234K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100233&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > PBTP/epoxy/montmorillonite ternary nanocomposites, (PCNs) were prepared by melt intercalation, and their morphologies were investigated by XRD and TEM. The results showed that by using epoxy resin as a compatibiliser, the clay was easily intercalated and dispersed well in the matrix. As such, the PCNs exhibited superior tensile and impact properties than the PBTP alone, although any surplus epoxy dispersed in the PBTP matrix reduced the material performance. The melt viscoelastic behaviour of the PCNs was measured by means of a parallel plate rheometer. The PCN ternary hybrids showed a stronger solid-like response in the lower frequencies than did the samples without epoxy resin. This is said to have been due to the enhancement of percolation network density, and the bridge-like effect of the epoxy linking the clay and the polymer chains. The compatibiliser, therefore, was shown to influence both the morphology and performance of the nanocomposites. The optimum compatibiliser dose of 4 wt% was arrived at by means of a novel crossover point rheological method. 25 refs. > > > > --- > > > **Title: NONLINEAR VISCOELASTIC CREEP CHARACTERIZATION OF HDPE-RICE HUSK COMPOSITES** > Page Range: p.581-598 > Author(s): Pramanick A; Sain M > File size: 337K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100234&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > Rice husk plastic composites are used in load-bearing applications such as deck boards and railings. These applications, typically using 40% plastic, are subjected t creep. In order to better define, model and predict long-term creep deformation, the viscoelastic characterisation of this material and the prediction of creep as a function of time is important for its long term commercial success. This research aims to derive a relationship between deformation, time, temperature, relative humidity and stress. In this study, therefore, hollow extruded rice husk-HDPE beams were subjected to creep and recovery in flexural mode and the stress related nonlinear creep behaviour of the same was studied phenomenologically. Both linear and non-linear region constants were determined with modified models, and a predictive model was developed. 22 refs. > > > > --- > > > **Title: NON-ISOTHERMAL CURE KINETICS OF POLYBENZOXAZINE/CARBON FIBER COMPOSITES BY PHASE CHANGE THEORY** > Page Range: p.599-605 > Author(s): Chunling Xin; Xiaoping Yang; Dingsheng Yu > File size: 124K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100235&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > The curing of benzoxazines (BA-a) and benzoxazine/carbon fibre composites (BA-a/CF), was monitored and compared using non-isothermal differential scanning calorimetry, at various heating rates. The results showed that the initial cure temperature of BA-a/CF was lower that of BA-a at the same heating rate. Various kinetic parameters and apparent activation energies for both curing systems were obtained using a modified version of the Avrami equation. The change in the Avrami component with cure temperature is reported to reflect two different stages of the benzoxazine cure reaction: the microgel formation, growth stage and the diffusion-controlled stage, The activation energy obtained from the Avrami rate constant for neat benzoxazine was shown to closely agree with earlier values reported by another method. For BA-a/CF composites, the activation energies obtained from the Avrami rate constant reflected the effect of the carbon fibres on the cure behaviour of benzoxazine. The cure reaction of benzoxazines was found to be not only catalysed by carbon fibre, but also retarded by it. 19 refs. > > > > --- > > > **Title: MECHANICAL AND THERMAL PROPERTIES OF OIL PALM EMPTY FRUIT BUNCH-FILLED UNPLASTICIZED POLY (VINYL CHLORIDE) COMPOSITES** > Page Range: p.607-17 > Author(s): Bakar A A; Hassan A; Yusof A F M > File size: 325K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100236&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > The effect of oil palm empty fruit bunches (EFB) on the mechanical and thermal properties of unplasticised PVC is investigated. An increase in EFB fibre content in the uPVC matrix was shown to improve the flexural modulus and cause a slight increase in the Tg, but at the expense of impact and flexural strengths. The incorporation of EFB also decreased the thermal stability of the composites evidenced by a decrease in decomposition temperature and a change in the degradation process from two to three stages. 35 refs. > > > > --- > > > **Title: EFFECT OF FLEXIBLE POLYMER COATING ON INTERFACIAL ADHESION OF GLASS FIBRE REINFORCED POLYPROPYLENE** > Page Range: p.619-25 > Author(s): Xiadong Zhou; Qunfang Lin; Ruohua Xiong; Xinyu Cui; Gance Dai > File size: 103K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100237&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > Flexible rubber coatings were obtained with which to coat glass fibre surfaces for use in a polypropylene matrix. The polymeric coatings were obtained by using two rubbers, cis-polybutadiene rubber and EPDM, and two block copolymers, polystyrene-block-polybutadiene-block polyvinyltriethoxysilane and polystyrene-block-polyvinyltriethoxysilane. The effect of the coatings on the interfacial adhesion and thermal cycling resistance of composites were studied by a single-filament fragmentation technique which was designed to measure the interfacial shear strength of the composite. It was found that the interfacial shear strength was improved by the rubber coatings, which could graft to silane coupling agents coated onto the fibre surfaces and could undergo crosslinking under peroxide initiation. The interfacial bond strength was determined by the nature and thickness of the rubber coatings. Interfacial adhesion was also seen to improve when using block copolymers to treat glass fibres. The rubbers and those copolymers having flexible blocks in their structures both produced coatings that could relieve the thermal stresses at the composite interface during temperature cycling. The interface between the composites and the flexible polymer coatings had good thermal cycling fatigue resistance. 18 refs. > > > > --- > > > **Title: TENSILE AND IMPACT PERFORMANCE OF POLYPROPYLENE MICROCOMPOSITE SYSTEM: EFFECT OF NOVEL SILICA ASH FILLER** > Page Range: p.627-35 > Author(s): Chaudhary D S; Jollands M C > File size: 120K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100238&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > Polypropylene was used as the matrix with which to study filler-polymer interactions when rice hull ash (silica ash) was used as a microfiller. Two sizes of silica ash particles were studied to obtain quantitative data on the composites' mechanical performance. Nucleating effects were found, suggesting, it is claimed, that there was a moderate polymer-filler interaction during melt-processing. A comparison of the effects of increasing filler loading and increasing surface treatment indicated, that at higher filler loadings, the effect of surface treatment was not dominant. Reducing the filler particle size was found to improve the tensile modulus and impact strength. Furthermore, removal of silica ash impurity by burning it off resulted in a significant increase in these properties, but similar results were not obtained following surface treatment of the unburnt ash. Such results are claimed to indicate that there was a possible trade-off between using the silica ash without burning, thus saving on the cost of burning off the impurities, and using the 'burnt' ash and saving on the cost of surface modification. 17 refs. > > > > --- > > > **Title: PREDICTION OF THERMAL CONDUCTIVITIES OF FIBRE REINFORCED COMPOSITES USING A THERMAL-ELECTRICAL ANALOGY** > Page Range: p.637-644 > Author(s): Young Jun Cho; Jae Ryoun Youn; Tae Jin Kang; Sung Min Kim > File size: 260K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100239&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 6 > > **Abstract** > A method is described with which to predict the effective thermal conductivities of fibre reinforced composites. It is based on the thermal-electrical analogy. Geometrical modelling of a laminate composite was attempted using a voxelisation method. The geometry of the woven fabric composite was discretised into yarn-type voxels and matrix-type voxels. This study used a balanced plain weave laminate composite of graphite and epoxy. Both in- and out-of-plane thermal conductivities were predicted for the composite. The effectiveness of the proposed method is claimed to be supported by the reasonable agreement between present results and previously reported research. 12 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: SILVER ION RELEASE FROM POLYMETHYL METHACRYLATE SILVER NANOCOMPOSITES Page Range: p.649-56 Author(s): Damm C File size: 225K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: SILVER ION RELEASE FROM POLYMETHYL METHACRYLATE SILVER NANOCOMPOSITES** > Page Range: p.649-56 > Author(s): Damm C > File size: 225K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100240&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > > > **Abstract** > Polymers used in medical packaging applications need to be transparent or translucent, and in addition, to have antibacterial properties. A translucent antimicrobial PMMA was prepared which was processable by the usual thermoplastic processing methods. Metallic silver nanoparticles were used as an inorganic antimicrobial filler. The PMMA silver nanocomposites were prepared by the thermal reduction of silver trifluoroacetate. Immersion of the nanocomposites in water led to a release of silver ions. The silver ion release was measured by anodic stripping voltammetry. It was found that since the silver particles situated near the sample surfaces were the main contributors to silver ion release, a coating of PMMA containing nanosilver could be sufficient to create silver releasing composites. 32 refs. > > > > --- > > > **Title: EMI SHIELDING EFFECTIVENESS OF COPPER/EPOXY COMPOSITES** > Page Range: p.657-68 > Author(s): Wetherhold R C; McManaman J M > File size: 271K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100241&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > The EMI shielding effectiveness of copper reinforced epoxy composites is testing using samples of different shaped, sized and treated specimens. A small amount of nickel powder was including in some specimens to evaluate the effect of magnetic permeability on the shielding effectiveness (SE). Results showed that a smaller fibre diameter resulted in significant SE improvements. SE was also substantially by relatively minor fibre shaping or by fine-scale roughening via chemical treatment. Improvements in SE were also achieved with essentially identical mechanical properties, leading to an effective multifunctional material. The addition of nickel powder led to in an overall improvement in SE as well as a cyclic dependence of SE frequency, which is reported to indicate phase interference at a scale of particle size not previously seen. 26 refs. > > > > --- > > > **Title: IMAGE ANALYSIS OF ELASTOMER MORPHOLOGY IN TOUGHENED THERMOPLASTIC AND THERMOSET RESINS** > Page Range: p.669-80 > Author(s): Canavate J; Carrasco F; Pages P; Colom X > File size: 293K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100242&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > Image analysis techniques were used to characterised the elastomer morphology of toughened thermoplastic and thermoset resins. The thermoplastic version comprised a polystyrene-based material with styrene-butadiene-styrene dispersed particles. The thermoset material was a polyester toughened with butadiene-acrylonitrile particles. Photomicrographs of the materials with different proportions of elastomer were processed and the images were analysed. Changes in the morphological characteristics were correlated with the fracture toughness and modulus of elasticity. 18 refs. > > > > --- > > > **Title: FT-IR STUDY OF THE MORPHOLOGICAL INTERACTIONS IN PHB/PAZO BLENDS AND THEIR DEPENDENCE ON SOLVENT VARIATION** > Page Range: p.681-6 > Author(s): Sharma L; Nishida K; Kanaya T > File size: 99K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100243&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > The role played by the solvent in influencing the resultant blend morphology in semi-crystalline polyhydroxybutyrate (PHB) and polycarboxyhydroxyphenylazobenzenesulphonamidoethanediyl, sodium salt (PAZO) blends is demonstrated. The relationship is also established between the blend's FTIR profiles and the morphology. Also investigated is the possible formation of a PHB/PAZO complex. PHB/PAZO blends were prepared in chloroform, acetone and toluene, chosen because of the similarity of their solubility parameter to that of amorphous PHB. By using FTIR, the actual changes occurring within the blends could be demonstrated, and PHB bands could be located, which were associated with any changes in morphology. 14 refs. > > > > --- > > > **Title: SELF-REINFORCING COMPOSITES OF POLYACRYLIC ELASTOMERS AND LIQUID CRYSTALLINE POLYMER: MECHANICAL, THERMAL, AND DYNAMIC MECHANICAL PROPERTIES** > Page Range: p.687-95 > Author(s): Shivakumar E; Das C K > File size: 216K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100244&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > In order to study the effect of liquid crystalline polymers (LCPs) as reinforcing agents for polyacrylic elastomers (ACM), blends of ACM and a liquid crystalline polymer were prepared using a melt mixing process. The blends were cured with ammonium benzoate and Diak-4,4,4'-methylenebis(cyclohexylamine) carbamate in order to study the curing behaviour of ACM in the presence of LCP. The blends were characterised by use of XRD, TGA, DSC and DMA, and an attempt was made to correlate the structures of the blends seen under scanning electron microscopy with the mechanical properties. Rheometric studies indicated the improved state and rate of cure of the blends with increasing levels of LCP and when Diak-4 was used as the curative. Tear strength and modulus of the ACM/LCP blends increased with increasing LCP content, and they increased at a higher rate in the presence of Diak-4. However, the tensile strength of all the blends reduced dramatically with increasing LCP which was attributed to poor interfacial adhesion between the ACM and LCP phases. The thermal stability of the ACM was affected by the presence of LCP, and the dynamic properties of the blends increased with LCP content. This improvement was reported to be very marked in the presence of Diak-4 curative. 21 refs. > > > > --- > > > **Title: THERMAL STABILITY AND FLAME RETARDANCY OF POLYPROPYLENE WITH PHOSPHORUS, NITROGEN AND SILICON-CONTAINING COMPOUNDS** > Page Range: p.697-707 > Author(s): Qiang Li; Pingkai Jiang; Zhanpai Su; Ping Wei > File size: 170K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100245&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > Flame retardants containing phosphorus, nitrogen and silicon elements (PSiN) were synthesised and introduced into polypropylene. The thermal stability of PP, PSiN and PP/PSiN were studied by thermogravimetric analysis in nitrogen, air and oxygen atmospheres. The initial decomposition temperature (IDT), maximum-rate degradation temperature (Tmax), integral procedure decomposition temperature (IPDT) and char yield at 800 degrees C in various atmospheres were investigated. Although the IDT of PP was reduced by the introduction of PSiN, the Tmax, IPDT and char yield were all increased. The flame retardancy of PP/PSiN composites was evaluated by measuring the limiting oxygen index values. Thermal stabilities are reported to have agreed with the result of the flame retardancy tests. 37 refs. > > > > --- > > > **Title: COMBINED EFFECT OF NANO-CLAY AND NANO-CARBON BLACK ON PROPERTIES OF NR NANOCOMPOSITES** > Page Range: p.709-19 > Author(s): Jia Qing-xiu; Wu You-ping; Xiang Ping; Ye Xin; Wang Yi-qing; Zhang Li-qun > File size: 236K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100246&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > Clay/carbon black/NR composites were prepared by adding carbon black in a two-roll mixing mill to clay/NR nano-compounds acquired by co-coagulating clay aqueous solution and NR latex. XRD patterns and TEM observations indicated that both fillers were uniformly dispersed in the rubber matrix at the nano-scale. As a result of the joint effects, with the two fillers benefiting from each other, it was found that at the same total filling amount, those NR nanocomposites filled with both fillers showed advantages over those filled with only one kind. Advantages relate to the enhanced mechanical properties, improved processability, and gas permeability levels near to those of NR/clay nanocomposites. 30 refs. > > > > --- > > > **Title: THE PREPARATION OF CORE/SHELL PARTICLES WITH SILOXANE IN THE SHELL** > Page Range: p.721-726 > Author(s): Shunsheng Cao; Xiaobo Deng; Bailing Liu > File size: 105K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100247&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > Core-shell microspheres with a polybutyl methacrylate (BMA) core and a poly 3-(methacryloxypropyl)-trimethoxysilane (MATS) shell, were prepared with a methanol as the dispersion medium, by a successive seeding method under kinetically controlled conditions. To prepare core/shell (PA/PSi), the core was first synthesised by dispersion polymerisation and to form seeds. Addition of MATS monomer was started after 90-95% conversion of the BMA. The reaction was prolonged for a further 12 h to achieve complete consumption of the MATS monomer. Microspheres containing hydrophilic PBMA as the core and hydrophobic PMATS as the shell were successfully formed through the free radical of surface in the core. The particle morphology and size distribution were examined using TEM and particle size analysis techniques respectively. 22 refs. > > > > --- > > > **Title: VISCOELASTIC CONSTITUTIVE MODEL OF UNVULCANIZED RUBBER** > Page Range: p.727-36 > Author(s): Li Yong; Wu Jing'an; Du Xingwen > File size: 224K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100248&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 7 > > **Abstract** > The rheological properties were examined experimentally using the inner-ply rubber of a bias tyre whose formula contains natural rubber, polybutadiene rubber, styrene butadiene rubber and two types of carbon blacks. On the basis of these rheological test results, a new viscoelastic constitutive equation for unvulcanised rubber has been established, with mathematical justification to describe its mechanical properties in relation to the yield stress and shear-thinning effect. The proposed model indicates that the yield stress is one of the main causes of the shear-thinning effect, and reveals why some materials possess double-Newtonian regions with the shear viscosity in the first region higher than that in the second region. The yield stress makes the flow index of the power law fluid model vary widely, so that it needs to be eliminated from the power law fluid model. The model can also effectively distinguish the true shear viscosity from the apparent shear viscosity, it is claimed. The parameters of the equation are determined by the step fitting method, which is the precondition for quantitative analysis. Since the equation is a one-dimensional model, the authors acknowledge the need for further research. 10 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: ANALYTICAL SOLUTION FOR COHESIVE LAYER MODEL AND MODEL VERIFICATION Page Range: p.741-752 Author(s): Roy S; Yong Wang File size: 178K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc13-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: ANALYTICAL SOLUTION FOR COHESIVE LAYER MODEL AND MODEL VERIFICATION** > Page Range: p.741-752 > Author(s): Roy S; Yong Wang > File size: 178K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100249&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > > > **Abstract** > The objective of this work was to find a solution to the cohesive damaged zone that may occur at the interface between a fibre reinforced polymer plate and concrete structure, when considering elastic deformation in the substrate. The structure incorporates a structural adhesive. The work aims to provide data to be used in civil engineering applications such as infrastructure retrofit and repair. For this purpose, the procedure was that a two-dimensional cohesive layer constitutive model with a prescribed traction-separation law was constructed from basic principles of continuum mechanics. Detailed benchmark comparisons of analytical results with finite element predictions for a double cantilever beam specimen were performed for model verification, and issues related to cohesive layer thickness were investigated. It was observed that the assumption of a rigid substrate in analytical modelling could lead to inaccurate analytical prediction of the cohesive damage zone length. 10 refs. > > > > --- > > > **Title: TRANSPORT AND FLAME PROPERTIES OF NATURAL FIBRE REINFORCED POLYMERS** > Page Range: p.753-764 > Author(s): Torres F G; Flores R; Dienstmaier J F; Quintana O A > File size: 349K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100250&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > The thermal conductivity, water absorption and linear burn rate of sisal fibre-reinforced HDPE and degradable starch-based polymers were investigated. The effect of fibre content, moisture and void fractions on the thermal conductivity was studied. From the water absorption tests, it was determined that water diffusion in natural fibre-reinforced plastics corresponded to a Fickian process only in the early stages of diffusion. Diffusivities were obtained for that case. Linear burn rate experiments showed that sisal reinforced polymers burned twice as fast as unreinforced HDPE specimens. The reinforced specimens, however, showed better structural integrity during burning than the unreinforced ones, probably due to an increase in viscosity and melt strength, because of the presence of reinforcing fibres. 39 refs. > > > > --- > > > **Title: YIELD BEHAVIOUR OF RUBBER-MODIFIED EPOXY ADHESIVES UNDER MULTIAXIAL STRESS CONDITIONS: EFFECT OF PLASTIC DEFORMABILITY OF THE MATRIX PHASE** > Page Range: p.765-776 > Author(s): Imanaka M; Yamashita D; Suzuki Y; Fujinami A > File size: 428K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100251&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > In this study, the effect of plastic deformability of the matrix phase on the yielding behaviour of the rubber-modified epoxy adhesives was examined. Yield behaviour was measured by use of butt and scarf joints subjected to tensile loading, and to a butt joint with a thin-walled tube subjected to torsional loading. A reactive diluent was used to vary the plastic deformability of the matrix phase. The applicability of Gurson's model was checked by comparing the experimentally-obtained yield stresses in these joints with those calculated by a finite element method. As a result, it was confirmed that the yield stress of the rubber-modified adhesives with different matrix phases could be approximately estimated from Gurson's model. Thus, the effect of plastic deformability of the matrix phase on Gurson's parameter could be discussed. 13 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF THERMOPLASTIC POLYAMIDE-IMIDE AND POLYUREA-AMIDE-IMIDE/COPPER FOIL COMPOSITES** > Page Range: p.777-794 > Author(s): Meng-Shun Huang; Ming-Chien Yang; Shen Chou > File size: 258K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100252&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > Polyimides are used extensively in printed circuit boards, but their applications have been limited due to their high softening temperatures and their insoluble nature in most organic solvents. Polyamide-imide and polyurea-imide resins have been developed to overcome these disadvantages. They include amide and urea groups respectively in their main chains to improve solubility and adhesion. In this paper, polyamide-imide (PAI) and polyurea-amide-imide (PUAI) resins were polymerised from five reactants: 4,4'-oxydianiline, 4-nitrobenzoyl chloride, 4,4'-diphenylmethane diisocyanate, 1,2,4,5-benzenetetracarboxylic dianhydride, and 3,3'-4,4'-benzophenone tetracarboxylic dianhydride. Their chemical structures were characterised using elemental analysis, FTIR and high nuclear magnetic resonance. Thermal properties, adhesive properties, electrical properties, heat resistance, and chemical resistance were also studied. Results indicate the suitability of these materials for use in the manufacture of flexible printed circuit boards. 20 refs. > > > > --- > > > **Title: THE EFFECT OF POLYETHYLENE-OCTENE ELASTOMER ON THE MORPHOLOGICAL AND MECHANICAL PROPERTIES OF POLYAMIDE 6/POLYPROPYLENE NANOCOMPOSITES** > Page Range: p.795-805 > Author(s): Wahit M U; Hassan A; Ishak Z A M; Bakar A A > File size: 359K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100253&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > The aim of this research is to strike a balance of stiffness, strength and toughness in polyethylene-octene elastomer- (POE-)toughened PA6/PP nanocomposites, using the weight ratio of PA6/PP 70:30. For this purpose ,the effect was investigated of POE concentration on the tensile, flexural, and Izod impact properties and on the morphological aspects of the blends. The fracture toughness was also measured. While the tensile and flexural properties were found to decrease with the increasing concentration of POE, the toughness was found to be significantly enhanced as compared to the neat PA6/PP blends. 32 refs. > > > > --- > > > **Title: POLY(2-HYDROXY ETHYL METHACRYLATE-CO-ACRYLIC ACID) AS NOVEL BIODEGRADABLE MACROPOROUS HYDROGEL** > Page Range: p.807-814 > Author(s): Mohapatra R; Swain A K; Mohapatra R; Rana P K; Sahoo P K > File size: 202K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100254&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > The main purpose of this work was to develop a new copolymer hydrogel, poly(2-hydroxy ethyl methacrylate-co-acrylic acid(P(HEMA-co-AA) with a crosslinker, MBA, because of its future prospects in drug delivery. The structure of the copolymer was characterised by FTIR, H-NMR and SEM, and its thermal stability was investigated by thermogravimetric analysis. Its hydrogel character was observed by studying the swelling of the copolymers by measuring weight gain and loss. The biodegradability of the copolymers was studied by introducing microbes into the culture media along with the prepared sample, and it was verified by examining the surface morphology by SEM. The rate of biodegradation was monitored by the carbon dioxide release method. Results indicated that the copolymer as suitable for implementation in various drug delivery systems and in the manufacture of medical devices for diagnostic purposes, because of its hydrogel character and inter-communicating macropores, along with its high thermal stability. 36 refs. > > > > --- > > > **Title: PREPARATION OF NBR/EXPANDED GRAPHITE NANOCOMPOSITES BY SIMPLE MIXING** > Page Range: p.815-821 > Author(s): Liu D W; Du X S; Meng Y Z > File size: 145K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100255&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > This article reports on the synthesis of elastomer/expanded graphite nanocomposites by melt mixing. The properties of the resulting nanocomposites and the nanoscale dispersion of the graphite sheets within a NBR matrix are investigated and discussed. The mechanical properties of the NBR/EG nanocomposites showed a remarkable improvement in tensile strength, it is reported. Dynamic mechanical analysis showed that the expanded graphite imparted a higher storage modulus and lower glass transition temperature to the NBR matrix. The expanded graphite was also shown to be effective in increasing the electrical conductivity of the composites. 16 refs. > > > > --- > > > **Title: THE CONSTRUCTION AND ANALYSIS OF A PREDICTION MODEL FOR COMBINING THE TAGUCHI METHOD AND GENERAL REGRESSION NEURAL NETWORK FOR INJECTION MOULDING** > Page Range: p.823-829 > Author(s): Chung-Feng Jeffrey Kuo; Yung-Chang Li; Yi-Shiuan Wu > File size: 154K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100256&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > In order to avoid dimensional errors after the injection moulding process, processing parameters are established to effectively provide dimensional control. In this work, particular attention is given to reducing the dimensional error in the hexagonal screw diameter when processing engineering plastics such as PEEK, and to also improve the quality of the polymer. Factor levels were chosen according to the chosen quality characteristics, and a prediction model for the injection process was constructed using the Taguchi quality method and a general regression neural network. The optimum conditions determined by the Taguchi method could be modified by the neural network. It was thus demonstrated that the injection moulded product could achieve reduced dimensional errors by adjusting the factor levels using this combined approach. 11 refs. > > > > --- > > > **Title: POLYAMIDOAMINE (PAMAM) DENDRIMERS IN DYE DECOLORISATION. BRIEF COMMUNICATION** > Page Range: p.831-833 > Author(s): Cheng Yiyun; Fu Rongqiang; Xu Tongwen > File size: 69K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100257&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > This article reports on an investigation of the ability of polyamidoamine (PAMAM) dendrimers to decolourise dye solutions, as exemplified by the triarylmethane dye known as Water blue. PAMAM solutions were prepared and Water blue was dried in a hot air convection oven. Various volumes of PAMAM solution were added to dye solutions and distilled water was added to make a total volume of 60 mL. Following equilibration, the samples were centrifuged and visible light absorbances were determined by a UV-Vis spectrophotometer in order to trace the progress of decolourisation. It was found that PAMAM dendrimers could effectively decolourise this type of dye and that it was also possible to increase the dye decolourising activity of PAMAM dendrimers by selection of the optimal conditions. The highest colour removal efficiency was 99.3%. Colour removal was most effective when the test solutions were at a high pH level (over 7). 5 refs. > > > > --- > > > **Title: THE CURE AND THERMAL BEHAVIOUR OF MG(OH)2/EPOXY RESIN/DEEA NANOCOMPOSITES PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION** > Page Range: p.835-838 > Author(s): Cheng Yiyun; He Pingsheng; Cui Ronghui > File size: 111K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100258&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > Magnesium hydroxide is a smoke-reducing and non-toxic additive that has been extensively used in halogen-free flame retardant polymeric materials. However, it's low flame retardant efficiency and the very high loadings that are consequently required when used in its ordinary form, lower the mechanical properties of a flame-retarded polymeric composition. It has been reported that nanosized magnesium hydroxide/polymeric compositions have the potential to solve such problems due to the mechanically reinforcing and flame retardant functions of nanosized composite materials. This study reports on the cure and thermal behaviour of these epoxy resin/magnesium hydroxide composites. The results of tests indicate enhanced thermal stability. This is claimed to be partly attributable to the prevention of out-diffusion of the volatile gas from the thermally decomposed particles, because magnesium hydroxide nanoparticles, when well-dispersed in epoxy networks, act as gas barriers, reducing the permeability of the volatile gas. 10 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF NI²+-MONTMORILLONITE/POLYVINYL ALCOHOL WATER-SOLUBLE NANOCOMPOSITE FILM** > Page Range: p.839-846 > Author(s): Li-Ping Wang; Yun-Pu Wang; Fa-Ai Zhang > File size: 133K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100259&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 13 > Issue No: No. 8 > > **Abstract** > This paper describes the preparation of a new type of water-soluble nanocomposite film from polyvinyl alcohol, Ni²-montmorillonite (Ni²-MMT), a defoaming agent, a levelling agent, and a plasticiser. Its thermal characteristics were studied by DSC, and the intermolecular interactions were measured by FTIR and XPS. The tensile strength and elongation at break were also measured. The microstructures were studied by XRD and AFM. FTIR and XPS spectra indicated that crosslinking had taken place between PVA and Ni²-MMT. XRD and AFM indicated that the PVA molecules had inserted themselves into the silicate layers of MMT, exfoliating them and dispersing them randomly into the PVA matrix. Compared to pure PVA film, the tensile strength of the films increased and the elongation at break decreased when the Ni²-MMT was added and the dissolution temperature of the film was also reduced. 23 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: COMPOSITE FROM WOOD FIBRES BONDED WITH RENEWABLE WOOD RESIN Page Range: p.217-227 Author(s): Ghosh A; Sain M File size: 209K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: COMPOSITE FROM WOOD FIBRES BONDED WITH RENEWABLE WOOD RESIN** > Page Range: p.217-227 > Author(s): Ghosh A; Sain M > File size: 209K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100280&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > > > **Abstract** > A renewable wood resin, used as a binder for wood fibres in the manufacture of environmentally friendly fibreboard composites is tested for its efficiency. It is used in combination with urea-formaldehyde resin to improve economy and performance, and to reduce the levels of formaldehyde emission in indoor applications. Fibreboard composites bonded with 5 wt% wood resin and 5 wt% urea-formaldehyde resin were considered as representative fibreboards for the purposes of investigating the effect of cure temperature and time in more detail. Results indicated that optimisation of the mechanical performance and dimensional stability of the fibreboard composites was achieved a the cure temperature of 200 degrees C, cure time of 10 mins and pressure of 7MPa. 26 refs. > > > > --- > > > **Title: MEASUREMENT OF THE AVERAGE PERMEABILITY OF NATURAL FIBRE MATS IN RESIN TRANSFER MOULDING APPLICATION** > Page Range: p.229-238 > Author(s): Rouison D; Couturier M; Panthapulakkal S; Sain M > File size: 209K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100281&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > The permeability of hemp fibre mats used in a resin transfer moulding process were computed from the measured mould filling time using a simplified mathematical approach. This approach could be applied because of the simple geometry of the mould and because a certain number of assumptions were made. The main assumption, which stated that the flow front of the resin was sharp and symmetric, was verified by observing some unfinished parts. Further simplification of the solution resulted in a non-dimensional number that was used for the computation of the permeabilities. In order to take into account the approximations made in the model, the solution was calibrated using data from the literature and experimental results for a 20% glass fibre preform. From this number, the permeability obtained from the experimental measurement of the injection time was found to decrease with increasing fibre content. The values obtained for hemp were lower than for glass fibres. This preliminary work is claimed to show the importance of studying the permeability of natural fibre systems in order to provide the data necessary for the proper design of industrial moulds. 18 refs. > > > > --- > > > **Title: PREDICTING THE ELASTIC MODULUS OF HYBRID FIBRE REINFORCED THERMOPLASTICS** > Page Range: p.239-249 > Author(s): Facca A G; Kortschot M T; Yan N > File size: 177K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100282&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > In this study, a modified hybrid rule of mixtures equation (HROM) was presented to predict the tensile moduli of hybrid composites. Experimental data from single fibre reinforced thermoplastics formed the basis of the modification. Combinations of E-glass, hemp and hardwood flour were blended into HDPE in total fibre loadings of 10 to 60 wt% to produce hybrid composites. The density and Young's modulus of the hybrid composites fell between the extreme values obtained for the single fibre composites. It was shown that by adding E-glass fibres or hemp fibres to hardwood flour, the tensile modulus of the single hardwood reinforced thermoplastics could be increased with a minimal increase in density. The modified rule of hybrid mixtures equation was found to adequately predict the tensile modulus of the hybrid composites. 9 refs. > > > > --- > > > **Title: CONTACT ANGLE OF EPOXY RESIN MEASURED BY CAPILLARY IMPREGNATION AND THE WILHELMY TECHNIQUE** > Page Range: p.251-259 > Author(s): Min Li; Zuo Guang Zhang; Zhi Jie Sun > File size: 114K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100283&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > The contact angle of an epoxy resin, as a widely used polymeric matrix, was studied by impregnation in single glass capillaries at the manufacturing temperature of the composites. In order to obtain the net wicking mass for capillary experiments, the meniscus force at the bottom of the glass tube was investigated using the Wilhelmy technique with glass sticks of various diameters. Results indicated that the contact angles resulting from equilibrium using both capillary impregnation and the Wilhelmy experiment are consistent, which proved the reliability of the practical evaluation of the effect of the meniscus on the penetration mass. The equilibrium contact angle of epoxy resin for the Wilhelmy method was 59 degrees and 61 degrees for the capillary impregnation of glass tubes. Therefore, the contact angle of epoxy resin is approximately 60 degrees a the test temperature of 80 degrees. 19 refs. > > > > --- > > > **Title: SEMI-INTERPENETRATING CONDUCTING ELASTOMER COMPOSITE THIN FILMS FROM POLYANILINE** > Page Range: p.261-269 > Author(s): Sreeja R; Sharma P D; Najidha S; Jayan S R; Predeep P > File size: 124K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100284&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > Conductive polyaniline (PANI) was blended with elastomers (NR and NBR) by a wet mixing process with the aim of producing flexible ultra thin conductive films. The rubbers used were raw, without any vulcanisation, and thus could be easily fabricated as thin films by solution casting. The compatibility of the polymer blends was estimated experimentally by spectroscopic and swelling studies. Good conductive properties were found for NR composite films with 30 wt% of HCl treated PANI and NBR composite films with 20 wt% of HCl treated PANI. Spectroscopic analysis and swelling measurements indicated that the composites were not just simple blends, but were rather complex macromolecular systems in which the electrical conductivity and mechanical properties of the composites depended on the nature and interaction between the rubber matrices. HCl treated PANI acted as both a reinforcement and a conductive filler in blends with NR. With nitrile rubber, HCl treated PANI improved the conductive behaviour and increased the rigidity of the films. The method is claimed to open up a new technique for the preparation of stable conductive thin films of PANI using dopants such as HCl. 24 refs. > > > > --- > > > **Title: THE CHARACTERISTICS OF POLYPROPYLENE LAYERED-SILICATE NANOCOMPOSITES** > Page Range: p.271-279 > Author(s): Suzhu Yu; Songlin Liu; Jianhong Zhao; Hong Xie; Ming Shyan Yong > File size: 213K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100285&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > Organoclay reinforced polypropylene nanocomposites were prepared by melt intercalation using extrusion, and their structural, rheological and mechanical properties were investigated. The morphologies of the composites were observed with TEM and the linear viscoelastic and flow properties were studied as a function of temperature and organoclay concentration. An increase in the organoclay concentration from 1 to 7.5 wt% resulted in an increase in the loss and storage moduli as well as in the steady shear viscosity of nanocomposites at different temperatures, particularly at low frequencies. The steady shear viscosity of both PP and its nanocomposites exhibited Newtonian behaviour at low shear rates followed by a shear thinning region. The onset of shear thinning occurred at significantly lower shear rates. The elastic modulus of the PP nanocomposite containing 10 wt% of organoclay was increased by around 25% compared to the neat PP. 20 refs. > > > > --- > > > **Title: THERMAL AND DYNAMIC MECHANICAL PROPERTIES OF LOW DENSITY POLYETHYLENE-SILICA NANOCOMPOSITES: EFFECT OF ZINC-ION COATING ON NANOSILICA** > Page Range: p.281-290 > Author(s): Reddy C S; Das C K > File size: 255K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100286&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > The effect of zinc coating nano-silica particles with zinc ions before incorporation into an LDPE polymer matrix is studied. It was found that the coating improved the reinforcing effect of the filler, and allowed for the use of much lower loading level. This is reported to be due to a decrease in the polarity of the nano-silica surface on zinc ion coating, which prevented agglomeration of the silica particles and thus promoted their effective dispersion in the polymer matrix. The zinc coated nano-silica filled LDPE was found to have 26% higher elastic modulus than the uncoated version and 58% higher elastic modulus. In addition, the coated nano-silica filled nanocomposite was found to be more thermally stable as indicated by TGA thermograms. AFM surface topography of the nanocomposite showed agglomerated particles which were not observed in the case of the coated silica nanocomposites, and more uniform surface and lower roughness was observed in the coated nano-silica composites. 21 refs. > > > > --- > > > **Title: TOUGHENING OF POLYCARBONATE WITH ORGANIC-INORGANIC HYBRID MATERIALS** > Page Range: p.291-300 > Author(s): Zhiyi Zhang; Ning Zhao; Wei Wei; Dong Wu; Yuhan Sun > File size: 281K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100287&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > Polycarbonate was modified with acrylic polymers to increase its impact strength. However, bending and tensile strength decrease as a result. In order to compensate for this, inorganic nanoparticles were added as modifiers. In addition to improving impact, bending and tensile strengths, the alloys exhibited lower melt viscosities and processing temperatures than polycarbonate. SEM results indicated that the inorganic particles (silicon dioxide, calcium carbonate, montmorillonite) and the acrylic ester polymer were all dispersed in the polycarbonate matrix, forming a co-continuous phase. 41 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF EVA/MMT NANOCOMPOSITES** > Page Range: p.301-306 > Author(s): Qianping Ran; Hongyan Hua; Yan Tian; Shishan Wu; Jian Shen > File size: 94K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100288&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > Polymer-layered silicate nanocomposites provide improved properties as compared to conventional filled microcomposites. In this paper, the montmorillonite was treated with hexadecyl trimethylammonium bromide (CTAB) swelling agent and then dispersed in EVA by melt intercalation to form EVA/MMT-CTAB nanocomposites. Their structures and properties were studied by FTIR, XRD, TGA, the Molau test, and tensile and tear strength measurements. The results showed that those silicate layers of MMT treated with the swelling agent were dispersed in the EVA matrix on a nanometer scale, and that intercalated EVA/MMT-CTAB nanocomposites had superior mechanical and thermal properties. 13 refs. > > > > --- > > > **Title: FINITE ELEMENT SIMULATION ON THERMOFORMING ACRYLIC SHEETS USING DYNAMIC EXPLICIT METHOD** > Page Range: p.307-328 > Author(s): Dong Y; Lin R J T; Bhattacharyya D > File size: 1106K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100289&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 3 > > **Abstract** > Studies are carried out with the help of a dynamic explicit finite element software package, PAM-FORM, to understand the thermoforming mechanisms of a polymeric sheet and their effects on the final geometry. A hyperelastic constitutive law based on the Mooney-Rivlin model was successfully adopted to carry out the initial simulation on bubble inflation and to identify the material parameters. A good agreement of the deformation profile with the experimental results was found. Further investigations were concentrated on the thickness distribution analysis and the strain states of the bubble inflation along with a comparison with the results from kinematic Grid Strain Analysis. The numerical simulation of pressure forming of a cup, whose forming mechanisms were explained reasonably well with the available Williams' analytical solutions, is also presented. The adaptive mesh refinement scheme was used in the simulation of thermoforming a complex-shaped rectangular container to predict the wall thickness distribution. The final simulation results of the deformation at different stages of the forming process and the analyses of final part geometry are also included. 29 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: WOOD SAWDUST FIBRES AS A SECONDARY FILLER IN CARBON BLACK FILLED NR VULCANIZATES Page Range: p.331-347 Author(s): Sombatsompop N; Kantala C; Wimolmala E File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: WOOD SAWDUST FIBRES AS A SECONDARY FILLER IN CARBON BLACK FILLED NR VULCANIZATES** > Page Range: p.331-347 > Author(s): Sombatsompop N; Kantala C; Wimolmala E > File size: 314K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100290&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > > > **Abstract** > An investigation is reported which aims to identify the optimum contents of wood sawdust fibre and silane coupling agent to be introduced into natural rubber compounded with carbon black. A range of composite properties are considered including cure characteristics, % bound rubber, crosslink density, sorption and desorption behaviour, tensile modulus, elongation at break, tensile and tear strengths, hardness and morphological properties. Results indicated that the overall mechanical properties of the NR composite improved with increasing carbon black content, but deteriorated with a sawdust content up to 40 phr. Addition of further sawdust was recommended as an economical benefit to industries as the properties of the natural rubber/carbon black composites remained unchanged with increasing sawdust content above 40 phr sawdust fibre. Addition of a silane coupling agent to the NR vulcanisates containing 40 phr wood sawdust fibres and 45 phr carbon black at 0.5 – 1% of wood sawdust, was shown to improve the mechanical properties. It is claimed that the explanations given in this paper are unique in that they refer to bound rubber, crosslink density and rubber-filler phase continuity in the composites and to a change in composite rigidity. 37 refs. > > > > --- > > > **Title: CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART II: A MATHEMATICAL MODEL FOR THEIR EFFECTIVE TRANSVERSE THERMAL CONDUCTIVITY** > Page Range: p.349-364 > Author(s): Chang-Hsuan Chiu; Chao-Chuan Cheng; Chung-Li Hwan; Tsai K H > File size: 418K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100291&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > This paper is the second in a series on the cylindrical orthotropic thermal conductivity of spiral woven composites. It presents a study of the modelling of the effective transverse thermal conductivity of the spiral woven fabric composite. And idealised model was built by idealising the yarn undulations into lineal segments. The mathematical model of the effective transverse thermal conductivity was formulated as functions of the radial position. Using thermal and geometrical parameters, predictions of the effective thermal conductivities for four kinks of spiral woven fabric composites were carried out. It is reported that a fairly good agreement was found between results predicted using the present and previously published models. 28 refs. > > > > --- > > > **Title: THE CHARACTERIZATION OF BIODEGRADABLE POLYBUTYLENE SUCCINATE/STARCH BLENDS USING HDPE-G-ACRYLIC ACID AS A COMPATIBILIZER** > Page Range: p.365-376 > Author(s): Lai S M; Wu C S; Liao H T > File size: 261K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100292&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > Blends of polybutylene succinate, (PBSU) and starch were examined to ascertain the influence of the compatibiliser HDPE-g-acrylic acid on properties. The blends contained 5 phr of compatibiliser. X-ray diffraction studies indicated some disruption of the crystal structure of PBSU with the introduction of starch, and a decrease in the melting temperature was also noted with increasing amounts of starch. The added starch is reported to have disrupted the intermolecular hydrogen bonding interactions between the PBSU chains in the matrix. The relatively low heat stability of starch influenced the thermal stability of the blends. A slight increase in tensile strength was observed when the compatibiliser was incorporated in the blends, and enhanced interaction was deduced from SEM observation. The surface erosion shown in the optical micrographs was accompanied by a visible growth of microorganisms, particularly at high concentrations of starch. The rate of biodegradation was assessed based on the decrease in tensile strength during 4 weeks of soil burial. The weight loss increased with increasing treatment times and with starch content during extended soil burial. 26 refs. > > > > --- > > > **Title: ELECTRICAL PROPERTIES AND CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE/CARBON BLACK COMPOSITES** > Page Range: p.377-390 > Author(s): Ying Li; Shifeng Wang; Yong Zhang; Yinxi Zhang > File size: 320K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100293&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > The electrical properties and crystallisation behaviour were investigated for four different kinds of carbon black filled PP composites, prepared by the melt mixing method. All showed typical characteristics of percolation but noticeably different percolation thresholds. When using carbon black with a higher structure, smaller particle diameter and larger surface area, the composites showed better electrical conductivity and a lower percolation threshold. The crystallisation behaviour was studied using DSC. Non-isothermal crystallisation parameters showed that the carbon black particles were able to act as nucleating agents which accelerated the crystallisation rate. Isothermal crystallisation kinetics studies indicated that the crystallisation kinetic constant and the rate of crystallisation of the PP/carbon black composites were higher than those of PP. The values of the Avrami exponent indicated three-dimensional spherulitic growth in a spherical form. The free energy of chain folding for PP crystallisation of the carbon black reinforced PP composites was lower than that of PP itself, and decreased further with increasing carbon black content. 40 refs. > > > > --- > > > **Title: THERMAL AND MORPHOLOGICAL STUDIES OF ACRYLONITRILE-BUTADIENE (NBR) LATEX REINFORCED NONWOVEN FABRIC COMPOSITES** > Page Range: p.391-402 > Author(s): Kumar M N S; Siddaramaiah; Jagannath J H; Bawa A S > File size: 287K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100294&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > The fabrication of composites by impregnating jut non-woven fabric in NBR latex is described. The composites were characterised by thermogravimetric analysis and by scanning electron microscopy to understand the thermal stability and morphology respectively. All the composites were stable to 280 deg.C, and thermal degradation of the jute fabric and composites was found to proceed in two steps, unlike NBR. A degradation kinetic parameter was obtained for each stage of degradation of the jute, NBR and their composites using Broido, Coats-Redfern and Horowitz-Metzger methods. Cryogenically fractured specimens were used to analyse the surface morphology of the jute fabric and composites by scanning electron microscopy, which revealed that the incorporation off NBR increased the bonded area at fibre crossovers and intersections. 27 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF ASPHALTS MODIFIED WITH SBS/ORGANOBENTONITE BLENDS** > Page Range: p.403-411 > Author(s): Yun-Pu Wang; Dong-Jie Liu; Yu-Feng Li; You-Peng Wang; Jing-Min Gao > File size: 217K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100295&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > The high temperature storage stability of SBS modified asphalts was improved by dispersing both organobentonite and silane coupling agents into asphalt. Improvements were also noted in rheological properties and after-ageing properties. The improvement in high temperature storage stability was attributed to the organobentonite and silane coupling agent decreasing the differences in densities between SBS and asphalt. It was found that the optimum amount of organobentonite was 2% and 1% of silane coupling agent. 28 refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTIES OF COMPOSITES OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE WITH CARBON FIBRES OR FIBRE MONOCRYSTALS** > Page Range: p.413-420 > Author(s): Atanasov A; Koleva D > File size: 101K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100296&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > The aim of this work is to study the preparation and characterisation of composite materials based on UHMWPE, carbon fibre (including modified carbon fibre), and fibre monocrystals of alkali titanates, in order to improve some of their properties. The unmodified and thermally modified carbon fibres did not have any reinforcing effect on the tensile strength of the composites, and only an insignificant increase was observed with fibre the fibre monocrystals in the range 0.5 – 1.0% w/w. Nevertheless, the composites obtained with carbon fibres proved to have better characteristics than the unfilled polymer. These included electrical conductivity, improved thermal stability and lower coefficient of friction, lower temperature coefficient of linear expansion and lower shrinkage. UHMWPE/fibre monocrystal composites also showed better characteristics than the unfilled UHMWPE, especially the Vicat softening point. 19 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERISATION OF ANTISTATIC NYLON-6 FILLED WITH ZnO WHISKERS** > Page Range: p.421-431 > Author(s): Ming Liang Luo; Guang Rui Lao; Ji Hui He; Jian Qing Zhao; Wei Zhuang Chen > File size: 247K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100297&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > Nylon-6 antistatic composites filled with zinc oxide whiskers were prepared by melt blending. The whiskers were treated with a coupling agent. Electrical, mechanical and rheological properties were determined and the effect of the zinc oxide whisker loading on these properties, was determined. The structure of the composites, their morphology, thermal properties and crystallisation behaviour were characterised by FTIR, SEM, TGA, WAXD and DSC. Results showed that the whiskers were well dispersed in the nylon-6 matrix. Crystallinity, melt temperature, tensile strength and hardness decreased gradually with increasing whisker content, but the antistatic performance, processing properties and thermal stability improved. 24 refs. > > > > --- > > > **Title: PREDICTION AND DETECTION OF FAILURES IN LAMINATED COMPOSITE MATERIALS USING NEURAL NETWORKS – A REVIEW** > Page Range: p.433-441 > Author(s): Addin A O; Sapuan S M; Mahdi E; Othman M > File size: 105K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100298&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 4 > > **Abstract** > This article describes combined computational techniques with the use of neural networks as a quantitative method, and natural frequencies, electrical conductivity, and lamb waves as non-destructive methods used to identify failures in laminated composite materials. Neural networks demonstrated robust and uncontroversial capabilities for complex failure detection and prediction in laminated composite materials with small errors. These failures include delamination, matrix cracking, fibre fracture and debonding. The presence of these failures is reported in terms of size, location and shape. 51 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: CURE KINETICS OF AN EPOXY-ANHYDRIDE-IMIDAZOLE RESIN SYSTEM BY ISOTHERMAL DSC Page Range: p.445-454 Author(s): Wang C S; Choongyong Kwag File size: 208K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: CURE KINETICS OF AN EPOXY-ANHYDRIDE-IMIDAZOLE RESIN SYSTEM BY ISOTHERMAL DSC** > Page Range: p.445-454 > Author(s): Wang C S; Choongyong Kwag > File size: 208K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100299&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > > > **Abstract** > Liquid composite moulding is used to manufacture automotive structural composites, and epoxies have been used in vehicle mass production programs. N order to meet the automotive processing and performance requirements, it is necessary to optimise the moulding cycle times. This necessitates an understanding of the curing behaviour of the resin. This study, therefore, examines the curing behaviour of a dimethyl imidazole catalysed diglycidyl ether of bisphenol A-methyltetrahydrophthalic anhydride resin system using isothermal data obtained from differential scanning calorimetry. The system was selected as a potential automotive liquid moulding resin based on its favourable moulding characteristics and thermomechanical properties. The kinetic data were analysed using both n^th order and autocatalytic kinetic models. The results indicated that the epoxy curing process could be described satisfactorily by Kamal's four-parameter generalised autocatalytic model, modified with an exponential function of conversion defined as the diffusion factor. 19 refs. > > > > --- > > > **Title: APPLICATION OF THE ‘THEORY OF MIXTURES' TO TEMPERATURE – STRESS EQUIVALENCY IN NONLINEAR CREEP OF THERMOPLASTIC/AGRO-FIBRE COMPOSITES** > Page Range: p.455-472 > Author(s): Pramanick A; Sain M > File size: 390K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100300&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > A study is made of thermoplastic/agro-fibre composites based on HDPE (40%) and rice husk (60%) in terms of the ability to predict creep. In order to characterise the viscoelasticity of this biocomposite, it was necessary to predict creep by establishing a relationship between deformation, time, temperature and stress. An extended ‘theory of mixtures' is used to describe creep-related parameters in two-phase materials. The stress- and temperature-related shift factors were estimated in terms of the activation energy of the constituents. The combined effect of temperature and stress on creep strain was accommodated in a single analytical function, where the interaction was shown to be additive. The model is claimed to be unique because it describes creep, not through curve fittings, but in terms of the creep constants of the constituents. This constitutive model is described not only as a vanguard in the prediction of long term creep of many biocomposites, but also in the modelling of creep under step loading of temperature. The impact of humidity was explored for the first time for the creep of agro-based composites. 20 refs. > > > > --- > > > **Title: EFFECT OF INTERFACIAL MODIFICATION ON THE RHEOLOGICAL PROPERTIES AND NUCLEATION BEHAVIOUR OF PP-BaSO”4 COMPOSITES** > Page Range: p.473-481 > Author(s): Ke Wang; Jingshen Wu; Hanmin Zeng > File size: 295K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100301&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > The effect of surface treatment of barium sulphate filler particles on the rheological behaviour of PP composites was studied. The polypropylene-barium sulphate composites were prepared by pretreating the filler with stearic acid, silane and polypropylene-g-maleic anhydride, respectively. The effects of the PP-barium sulphate interfacial interaction on the rheological properties and nucleation behaviour of the composites were studied. It was shown that once the polymer-filler interfacial interaction had been enhanced by reactive coupling agents, the fillers acted as temporary physical crosslinking points, effectively restricting the motion of polymer chains neighbouring the filler particles. As a result, the tendency of the polymer chains to undergo intermolecular slippage was reduced, and the melt viscosity was enhanced. However, when the filler surface was modified with non-reactive coupling agents such as stearic acid, the reduced particle-particle interaction and lubricating effect of the stearic acid decreased viscosity. With the modification of the interface, the barium sulphate dispersion in PP was improved and the thermodynamic potential barrier for the formation of primary nuclei was reduced by the adsorption mechanism. 16 refs. > > > > --- > > > **Title: FRACTURE AND FAILURE BEHAVIOUR OF JUTE FABRIC REINFORCED POLYPROPYLENE. EFFECT OF THE INTERFACE MODIFICATION** > Page Range: p.483-493 > Author(s): Acha B A; Karger-Kocsis J; Reboredo M M > File size: 600K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100302&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > The tensile fracture and failure behaviour of jute cloth (25 wt.%) reinforced PP composites were studied as a function of the interface modification. Although jute appears to be promising candidate as a reinforcement for PP, the lack of adhesion between the hydrophilic cellulose fibres and the hydrophobic PP results in unsatisfactory properties for the composite. In this study, the jute fabric was subjected to esterification and lignin and maleated PP were used as modifiers. The tensile and fracture mechanical characteristics of the composites were determined. Analysis of the emitted acoustic signals, together with fractographic inspection served to determine the failure and damage development. The best property improvements were achieved by using maleated PP. the observed notch sensitivity for the specimens was attributed to missing reinforcement homogeneity, owing to the presence of insufficient jute cloth layers. 29 refs. > > > > --- > > > **Title: PREPARATION AND SURFACE PROPERTIES OF SILOXANE-ACRYLATE COPOLYMER WITH HIGH SILOXANE CONTENT** > Page Range: p.495-502 > Author(s): Xiaobo Deng; Shunsheng Cao; Bailing Liu; Rong Luo; Hualin Chen > File size: 157K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100303&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > Latices of siloxane-acrylate copolymer find wide application due to their non-toxic and non-contaminating character, and interest has been shown to combine acrylate with siloxane in order to obtain stable polymer latices and other polymer materials with improved performance. It is known that the more siloxane in the copolymer, the better the properties, but since the polymerisation temperature of the acrylate is higher than 80 deg.C and under such conditions the Si (OCH”3)”3 groups are easy to hydrolyse, forming siloxane bonds and then proceeding to form a network structure and coagulum. This is the main reason that the siloxane content of the copolymer could not be enhanced during polymerisation. To overcome this, an oxidation-reduction initiator was introduced into the system, which could initiate the reaction at relatively low temperatures. In addition, sodium bicarbonate was added when the pH fell below 6.5. Under these conditions, the acrylate-siloxane copolymers were prepared by emulsion polymerisation in which the siloxane content could reach 30%. The latex properties of the copolymer were characterised by FTIR spectroscopy and the use of a surface tension analyser. It was shown that almost all the monomer had participated in the copolymerisation. Results of characterisation by the surface tension analyser showed that the introduction of organic siloxane could decrease the surface tension values greatly. Surface properties were also studied by the static contact angle method. Compared with the acrylate homopolymer, the copolymer containing 3-(methacryloxypropyltrimethoxysilane) was capable of making an increase in water repellency. 29 refs. > > > > --- > > > **Title: SINTERING OF NON-SPHERICAL POLYETHYLENE PARTICLES** > Page Range: p.503-513 > Author(s): Torres F G; Cubillas M L; Quintana O A > File size: 346K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100304&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > Powder sintering has been well studied for metals and ceramics, but not many fundamental studies have been carried out in order to understand the nature of the underlying processes which take place during the formation of a dense material when a polymer powder is sintered as occurs during the rotational moulding process. This work reports on experimental observations of polymer sintering with non-spherical particles. The evolution of neck formation during sintering was studied by two-particle experiments in a temperature-controlled oven. Shrinkage and change in surface area were also measured using image analysis. Melt densification studies using powder particles were included to complement the two-particle experiments. It was found that ground polymer particles show an important shape recovery stage at the beginning of the sintering process. Comparisons with sintering models available in the literature were made, and deviations from the behaviour predicted by such models were discussed. 28 refs. > > > > --- > > > **Title: NANOCOMPOSITES BASED ON THERMOPLASTIC ELASTOMERIC BLENDS OF STYRENE ACRYLONITRILE AND ETHYLENE VINYL ACETATE: EFFECT OF NATURE AND LOADING OF NANOCLAYS AND DYNAMIC VULCANIZATION** > Page Range: p.515-525 > Author(s): Patel J; Maiti M; Naskar K; Bhowmick A K > File size: 193K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100305&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > A thermoplastic elastomer based on a 30:70 w/w/ styrene-acrylonitrile: ethylene vinyl acetate blend was prepared. In order to improve the strength of the blend, two types of nanoclay (grades of Cloisite) were added in variable loading levels. Improved levels of mechanical properties were achieved with Cloisite NA at 4 phr loading. These results were explained in terms of the morphology of the nanocomposites as studied by X-ray diffraction, atomic force microscopy and X-ray dot-mapping. The dynamic mechanical properties and the diffusion behaviour of acetone through the resultant nanocomposites corroborated the observations on the static mechanical properties. It was demonstrated that dynamic vulcanisation significantly improved the mechanical properties of nanoclay reinforced SAN/EVA blends. 40 refs. > > > > --- > > > **Title: COATED NANO-SIZED CACO”3 REINFORCED SEMI-CRYSTALLINE EPDM** > Page Range: p.527-536 > Author(s): Yabin Zhou; Shifeng Wang; Yong Zhang; Yinxi Zhang > File size: 339K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100306&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > Nano-sized calcium carbonate modified with stearic acid was used to reinforce semi-crystalline EPDM and for comparison, micron-sized calcium carbonate was also studied. It was found that both nanosized and micron-sized calcium carbonate fillers improved the mechanical properties of the EPDM vulcanisates and that the nanofiller exhibited better reinforcement than the microfiller. The difference in reinforcement effects was explained in terms of the filler particle size and the crosslink density of the vulcanisates. The nanofiller was also modified by titanate, borate, and aluminate-titanate complex coupling agents and used to reinforce EPDM vulcanisates. Results showed that the titanate coupling agent-coated nanosized filler exhibited the best reinforcement ability. FE-SEM showed that stearic acid, titanate and aluminate-titanate coupling agents improved the dispersion of the filler in the rubber matrix, whereas borate coupling agents could not. The effect of modified nano-sized calcium carbonate on the dynamic mechanical properties was also studied. Incorporate of calcium carbonate was found to reduce the glass transition temperature of the vulcanisates, with micro-sized calcium carbonate depressing the TG to a greater extent. 21 refs. > > > > --- > > > **Title: ON-LINE MONITORING OF RESIN CONTENT AND VOLATILE CONTENT IN CARBON/PHENOLIC RESIN PREPREG CLOTH BY NEAR-INFRARED SPECTROSCOPY** > Page Range: p.537-543 > Author(s): Wei Li; Yu Dong Huang; Li Liu; Bo Jiang > File size: 129K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100307&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 5 > > **Abstract** > NIR diffuse reflectance spectroscopy is demonstrated to be a suitable on-line monitoring technique during the manufacture of carbon/phenolic resin prepreg cloth in terms of resin and volatile contents. Calibration models were generated using partial least square regression to relate the on-line spectral data to the components' content. Due to its rapid and non-destructive nature, the NIR spectroscopic method is proposed as an alternative to traditional chemical analysis. 31 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: CHARACTERIZATION OF CARBON NANOFIBRE REINFORCED EPOXY COMPOSITE USING NANOINDENTATION AND AFM/UFM TECHNIQUES Page Range: p.549-562 Author(s): Lee H; Mall S; Nalladega V; Sathish S; Roy... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: CHARACTERIZATION OF CARBON NANOFIBRE REINFORCED EPOXY COMPOSITE USING NANOINDENTATION AND AFM/UFM TECHNIQUES** > Page Range: p.549-562 > Author(s): Lee H; Mall S; Nalladega V; Sathish S; Roy A; Lafdi K > File size: 371K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100308&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > > > **Abstract** > The characterisation of carbon nanofibre-reinforced epoxy composites by the use of Nanoindentation, atomic force microscopy and ultrasonic force microscopy is described. These tests were supplemented with ultrasonic wave propagation and three-point bend test methods. The carbon nanofibres were functionalised with oxygen to improve dispersion and adhesion in the epoxy matrix. Improvements in modulus and hardness were found with the carbon nanofibre-reinforced epoxy as compared to the neat epoxy resin. These were dependent o the functionalisation treatment time. However, the increase was of a different magnitude when measured by the three methods of Nanoindentation, wave propagation and three-point bend tests. The indentation test technique is claimed to be capable of providing mechanical property data from a limited size and/or quantity of nanocomposites. The atomic force microscopy and ultrasonic force microscopy were able to characterise the behaviour of carbon nanofibres in nanocomposites, with the latter providing clearer information than the former. It is concluded that atomic force microscopy and ultrasonic force microscopy have the potential to provide a technique for the analysis of nanocomposites at nanoscale and for the mapping of the local surface stiffness at nanoscale. 27 refs. > > > > --- > > > **Title: PROCESSING-INDUCED MORPHOLOGY: ITS RELATIONSHIP WITH TENSILE-IMPACT BEHAVIOUR IN INJECTION-MOULDED POLYPROPYLENE** > Page Range: p.563-576 > Author(s): LaFranche E; Brassart G; Krawczak P > File size: 296K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100309&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > The main parameters influencing the tensile-impact strength of injection moulded propylene during high volume manufacturing of automotive parts, have been identified. A Taguchi Design of Experiments analysis showed that the key parameters n both flow and transverse directions were the polymer melt and mould temperatures, and the volumetric flow rate. differences in high-speed mechanical behaviour are explained on the basis of an investigation of the processing-induced morphology/tensile-impact behaviour relationship. An through-the-thickness analysis was made of the microstructure of parts manufactured under two extreme sets of moulding conditions by means of microscopy and crystallinity measurement, molecular orientation and thermal expansion. It was found that the brittleness of the injection moulded part depended on the skin layer's morphology, the main influential parameters being the skin/core ratio and the crystalline structure. The crack initiation energy increased wit the oriented skin layer thickness, whereas the brittleness increased with the crystallinity level and the spherulite size. 30 refs. > > > > --- > > > **Title: NEW BIODEGRADABLE BLENDS FROM ALIPHATIC POLYCARBONATE AND POLY(VINYL ALCOHOL)** > Page Range: p.577-584 > Author(s): Cao Y X; Du F G; Wang X L; Meng Y Z > File size: 184K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100310&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > Blends of biodegradable polymers based on polypropylene carbonate and polyvinyl alcohol were prepared by solution casting. Various blend ratios were investigated with reference to thermal and mechanical properties and morphology. Thermogravimetric analysis, DSC, static mechanical measurements, SEM and FTIR techniques were used to characterise the blends. Polypropylene carbonate/polyvinyl alcohol blends (PPC/PVA) with a 10% PVA and 40% PVA ratio were found to be miscible systems, but PPC/20% PVA and PPC/30% PVA blends were found to be two-phase systems. Both tensile strength and modulus increased with increasing PVA content due to a strong interaction between the PPC and PVA phases through hydrogen bonding. Blending PVA with PPC was shown to provide an effective way to increase both the thermal stability and mechanical properties of polypropylene carbonate. 16 refs. > > > > --- > > > **Title: INCREASING THE INTERFACIAL ADHESION IN POLY(METHYL METHACRYLATE)/CARBON FIBRE COMPOSITES BY LASER SURFACE TREATMENT** > Page Range: p.585-589 > Author(s): Nematollahzadeh A; Mousavi S A; Tilaki R M; Frounchi M > File size: 178K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100311&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > PMMA is the most widely used denture base material because of its appearance and processability. However, it has unsatisfactory impact and fatigue strength. Reinforcement with carbon fibres was carried out to improve these properties, and surface treatment of the carbon fibre by Nd:YAG pulse laser irradiation was performed in order to improve interfacial bonding of the reinforcing fibre and polymer matrix. Laser light intensity was adjusted at 1—mJ per pulse in order to change the fibre surface roughness and avoid rupture of the fibre. The increased surface roughness improved the interfacial adhesion. This was verified by scanning electron microscopy and a tear-off method. It was also established that use of laser irradiation enhanced the wettability of the fibres by introducing active sites onto the fibre surfaces which react with the resin and lead to stronger interfacial adhesion. 14 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF NOVEL ORGANIC MONTMORILLONITE-REINFORCED BLOCK POLYURETHANE NANOCOMPOSITES** > Page Range: p.591-601 > Author(s): Wang Jincheng; Chen Yuehui C; Yanquing W > File size: 251K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100312&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > A proprietary process has been developed to manufacture organic montmorillonite (OMMT)-reinforced and isocyanate (-NCO)-blocked pouring-type polyurethane (BPPU) nanocomposites. The BPPU polymer was prepared from phenol-blocked blends of TDI, polyethylene glycol and dichlorodiamidodiphenylmethane (MOCA). The physical and mechanical properties of OMMT reinforced BPPU composites were studied and those containing 4 phr OMMT were found to exhibit good mechanical properties doe to the exfoliation and intercalation of the organic silicate layers. 23 refs. > > > > --- > > > **Title: EFFECT OF COMPATIBILISER AND FIBRE CONTENT ON JUTE FIBRE REINFORCED HDPE/EPDM COMPOSITES** > Page Range: p.603-610 > Author(s): Sarkhel G; Banerjee A; Bhattacharya P > File size: 237K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100313&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > Polyolefins can be modified with EPDM elastomer to improve impact strength. However, improvements in toughness can be accompanied by a decrease in stiffness. To overcome this reinforcing fibres can be added to increase the stiffness. In this article, the use of jute reinforcing fibres is investigated in HDPE/EPDM blends. Since jute is predominantly polar and HDPE non-polar, a compatibiliser is investigated needed to improve their interaction. The mechanical and morphological properties of jute fibre-reinforced HDPE/EPDM composites were studied as a function of fibre and compatibiliser content. Improvements were found with respect to tensile, flexural and impact strengths with the addition of 2% compatibiliser. With increasing fibre content, tensile and flexural strengths increased, but impact strength declined on account of crack initiation caused by the presence of too many fibre ends. SEM indicated that better interaction and distribution of fibres in the matrix was achieved in the compatibilised systems compared to the uncompatibilised one. 26 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF LLDPE/PMVS BLENDS** > Page Range: p.611-622 > Author(s): Jihui He; Hua Ye; Shumei Liu; Jianqing Zhao > File size: 285K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100314&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > LLDPE and silicone rubber containing vinyl group (PMVS) were reactive blended by melt mixing to obtain grafted and crosslinked blends. Two methods were used to prepare the blends, one involving the use of free radicals generated from thermomechanical shear and the other by peroxide decomposition. Experimental results indicated that the reactive blending improved the interfacial adhesion between the two phases, and that peroxide decomposition had a higher initiation efficiency with respect to grafting and crosslinking compared with thermomechanical shear. TGA was used to demonstrate that reactive blending with PMVS improved the thermal stability of LLDPE. Dynamic rheological behaviour and melt flow rate results suggested that grafting and crosslinking between the two components increased the viscoelasticity of the blends, and the addition of PMVS improved the processability of the LLDPE. Peroxide crosslinking produced a higher tensile strength than thermomechanical shear, but a lower elongation at break. The limiting oxygen index test indicated that the flame retardancy of the blends increased with increasing amounts of PMVS. 31 refs. > > > > --- > > > **Title: PROPERTIES OF ALUMINIUM FILLED POLYPROPYLENE COMPOSITES** > Page Range: p.623-633 > Author(s): Osman A F; Mariatti M > File size: 358K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100315&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > Aluminium filled PP composites provide cost-effective, lightweight electrically conducting materials which are corrosion resistant. In this study, different filler particle shapes and filler loadings, varying from 0% to 55% by volume were prepared, and the effect of the filler loading and filler particle shape was evaluated. The density, voids and modulus increased with increasing filler loading. Percolation concentrations were found to be between 15% and 30% by volume for flaky aluminium filled PP, whereas with spherical aluminium particles, percolation concentrations of between 30% and 45% by volume were achieved. A decrease in electrical resistivity and tensile strength and elongation at break was found on addition of the metal filler for all systems tested. Thermal characterisation studies showed that the addition of the aluminium reduced the crystallinity of the PP and slightly retarded its thermal degradation. 16 refs. > > > > --- > > > **Title: RECYCLING OF POLYETHYLENE/POLY(ETHYLENE TEREPHTHALATE) POST-CONSUMER OIL POUCHES USING COMPATIBILISER** > Page Range: p.635-646 > Author(s): Choudhury A; Mukherjee M; Adhikari B > File size: 275K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100316&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No. 6 > > **Abstract** > A study is made into the effectiveness of using compatibilisers in the recycling of post-consumer multi-component edible oil pouches. The main objective was to determine to what extent the morphology, melt flow index, rheological, thermal and mechanical properties of the recycled oil pouch material, a LDPE/LLDPE/PETP multilayer mixture, could be upgraded by the addition of either Surlyn ionomer or Fusabond as compatibilising agent. The addition of 5 wt% Fusabond (polyethylene graft maleic anhydride) or Surlyn ionomer (zinc salt of ethylene methacrylic acid copolymer) was shown to improve all the mechanical and thermal properties of the recycled polymer due to enhancement of the interfacial adhesion between the PE matrix and the dispersed PETP. 50 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EFFECTS OF SOLVENTS ON THE MORPHOLOGY OF ELECTROSPUN ATACTIC POLYSTYRENE Page Range: p.755-765 Author(s): Dong Soo Shin; Se Geun Lee; Won Seok Lyoo File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EFFECTS OF SOLVENTS ON THE MORPHOLOGY OF ELECTROSPUN ATACTIC POLYSTYRENE** > Page Range: p.755-765 > Author(s): Dong Soo Shin; Se Geun Lee; Won Seok Lyoo > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100326&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > > > **Abstract** > Electrospun atactic polystyrene webs of particles and fibres with various dimensions were successfully prepared using solutions of atactic polystyrene of different concentrations. The samples were dissolved in tetrahydrofuran, N, N-dimethylformamide and c > > > > --- > > > **Title: CHEMICAL MODIFICATION OF DATE PALM MESH FIBRES FOR REINFORCEMENT OF POLYMERIC MATERIALS. PART 1: EXAMINATION OF DIFFERENT CLEANING METHODS** > Page Range: p.767-778 > Author(s): Taha I; Steuernagel L; Ziegmann G > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100327&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > The potential use of date palm mesh fibres (DPMF) as natural reinforcement for polymeric matrices is investigated. DPMF were chemically cleaned using sodium hydroxide, carbon tetrachloride, a detergent, and an alcoholic mixture of toluene, methanol and ac > > > > --- > > > **Title: ANTIOXIDANT PROPERTIES OF MULTIWALL CARBON NANOTUBES: FIRST MEASUREMENTS USING A MODEL OXIDATIVE REACTION** > Page Range: p.779-785 > Author(s): Zeynalov E B; Friedrich J F > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100328&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > Carbon nanotubes (CNTs) have electron affinities similar to those of fullerenes and are therefore capable of acting as radical traps in free radical chain reactions, including polymerisation and the thermooxidative degradation of polymers. It is proposed > > > > --- > > > **Title: A THEORETICAL MODEL OF A MAGNETIC POLYMER** > Page Range: p.787-804 > Author(s): Maiti P K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100329&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > A report is presented of a theoretical model of a magnetic polymer consisting of benzenoid structures incorporated into a linear polyethylene-like polymer chain. The benzenoid structures are double ring annulenes having 12, 16, 20 and 24 outer ring mum el > > > > --- > > > **Title: EFFECT OF EPOXY MODIFIER ON FLAME RETARDANCY AND RHEOLOGICAL BEHAVIOUR OF ABS/MONTMORILLONITE COMPOSITES** > Page Range: p.805-812 > Author(s): Bo Liu; Chaoying Wan; Yong Zhang; Yinxi Zhang; Yu Su; Jiliang Ji > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100330&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > The effect is studied of an epoxy modifier on the morphology, flame retardancy and rheology of an organically modified montmorillonite-reinforced ABS. It was shown that the processing condition of epoxy modification had a significant influence on the morp > > > > --- > > > **Title: IMMOBILIZED BETA-GALACTOSIDASE: PREPARATION AND CHARACTERIZATION** > Page Range: p.813-823 > Author(s): Ji Zhang; Shengtang Zhang; Jiayu Zeng; Yunpu Wang; Yongfeng Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100331&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > Details are given of a new enzyme support consisting of magnetic composite microspheres. It was prepared from Artemisia seed gum, chitosan and magnetic fluid. The microspheres contained reactive aldehyde groups that reacted well with the free amino groups > > > > --- > > > **Title: RADIATION-INDUCED POLYMER IMPREGNATED SAWDUST-CLAY-CEMENT COMPOSITE** > Page Range: p.825-831 > Author(s): Khoylou F > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100332&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > A new composite material has been prepared by the impregnation of sawdust-clay-cement mixtures with unsaturated polyester resins containing styrene and methyl methacrylate monomers, followed by gamma radiation to induce graft copolymerisation of the polym > > > > --- > > > **Title: THE PREPARATION AND CHARACTERISATION OF A NOVEL SILOXANE BIOMATERIAL** > Page Range: p.833-840 > Author(s): Shunsheng Cao; Xiaobo Deng; Bailing Liu; Rong Luo; Hualing Chen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100333&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > Polysiloxane is known to interact strongly with proteins and to adsorb significant quantities of protein due to its hydrophobicity. This causes conformational and orientational changes in the adsorbed proteins so as to decrease their biocompatibility. A n > > > > --- > > > **Title: SYNTHESIS OF 2,5-BIS(2',2'-DICARBOXYETHYL)THIOPHENE MONOMER AND THREE HEAT RESISTANT CROSSLINKED POLYAMIDES. BRIEF COMMUNICATION** > Page Range: p.841-843 > Author(s): Habibi D; Khorramabadi Zad; Aghdasi M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100334&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 14 > Issue No: No.8 > > **Abstract** > The synthesis is described of a new thiophene monomer [2,5-bis(2',2'-dicarboxyethyl)thiophene]. Condensation polymerisation was carried out off its tetraethyl ester with three different diamines to produce three heat resistant crosslinked polyamides. Acco > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY Page Range: p.83-90 Author(s): Menard... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY** > Page Range: p.83-90 > Author(s): Menard C; Alamercery S; Raffin G; McCormack S; Neel O; Grenier L M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100345&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > > > **Abstract** > Two complementary techniques (FTIR and DSC) were used to characterise blends of lubricants and to test them in situ in varnishes used in can coatings. The lids of beverage cans are coated with varnish before stamping. Since the metal undergoes considerable stress during stamping, the coefficient of friction of the crosslinked coating must be optimised. To this end, lubricants are used in the varnish. The lubricants used in this study were mixtures of carnauba wax, polyethylene wax and PTFE. The varnishes used were an epoxy resin and melamine co-formaldehyde. It was concluded that the precision, speed of sample preparation, and fast analysis made the FTIR, the technique of choice for testing lubricants in a crosslinkable varnish matrix. 7 refs. > > > > --- > > > **Title: E-GLASS/POLYPROPYLENE PULTRUDED NANOCOMPOSITE: MANUFACTURE, CHARACTERISATION, THERMAL AND MECHANICAL PROPERTIES** > Page Range: p.91-102 > Author(s): Roy S; Hussain F; Narasimhan K; Vengadassalam K; Lu H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100346&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > A discussion is presented of the manufacture of continuous fibre-reinforced nanocomposites, comprising E-glass and a polypropylene matrix, with and without nanoclay, using pultrusion. Thermal and mechanical characterisation of the nanocomposites were perf > > > > --- > > > **Title: CHEMICAL, STRUCTURAL AND THERMAL CHANGES IN PET CAUSED BY SOLVENT INDUCED POLYMER CRYSTALLISATION** > Page Range: p.103-110 > Author(s): Rajendran S; Mishra S P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100347&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > An investigation is reported into the structural and thermal properties of solvent-induced crystallisation of PETP. Flat, high twist and spun PETP yarns were treated with trichloroacetic acid-methylene dichloride mixed solvent. An increase in X-ray crysta > > > > --- > > > **Title: RHEOLOGICAL PROPERTIES OF AMINOSILANE SURFACE TREATED SHORT GLASS FIBRE REINFORCED POLYPROPYLENES. PART 1: STEADY SHEAR AND OSCILLATORY FLOW PROPERTIES IN MOLTEN STATE** > Page Range: p.111-119 > Author(s): Nishitani Y; Sekiguchi I; Hausnerova B; Zdrazilova N; Kitano T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100348&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > The objective of this study was to investigate the effect of the fibre surface treatment with aminosilane coupling agent on the rheological properties of short glass fibre reinforced PP, and of short glass fibre reinforced PP supplemented by maleic anhydride-modified PP. Rheological functions in the molten state were measured under steady state shear and oscillatory flow regimes. Results are discussed. 28 refs. > > > > --- > > > **Title: THE EFFECT OF TRI(N-BUTYL) TIN(IV) -2-3 [3-BENZOYL PHENYL] PROPIONATE ON THE DEGRADATION AND STABILISATION OF PVC IN INERT AND OXIDATIVE ATMOSPHERES** > Page Range: p.121-129 > Author(s): Iqbal A; Ishaq M; Sarwar M I; Frormann L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100349&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > In this work, tri(n-butyl) tin(IV)-2-[3-benzoyl phenyl] propionate was used to see its effect on the degradation behaviour of PVC. It was selected because it contains two main parts: the metal and the carboxylate parts. The metal combines with chlorine, w > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF MONTMORILLONITE/CARRAGEENAN/GUAR GUM GEL SPHERICAL BEADS** > Page Range: p.131-136 > Author(s): Ji Zhang; Wenqiang Wang; Yunpu Wang; Jiayu Zheng; Shengtang Zhang; Ziqiang Lei; Xutao Zhao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100350&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > In this study, well shaped composite gel spherical beads were produced using inexpensive biopolymers (carrageenan and guar gum), and a cheap natural product, montmorillonite. The use of this composite gel material reduced the cost of an immobilised cell c > > > > --- > > > **Title: SOL-GEL SYNTHESIS AND CHARACTERISATION OF NANO-SIZED HYDROXYAPATITE POWDERS AND HYDROXYAPATITE/POLY(D,L-LACTIDE-CO-GLYCOLIDE) COMPOSITE SCAFFOLDS** > Page Range: p.137-144 > Author(s): Shuying Gu; Hui Zhan; Jie Ren; Xinyu Zhou > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100351&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > Tissue engineering has become a recognised technique, and bioceramics represented by hydroxyapatite has attracted the attention of many researchers because of its non-toxicity, good bioactivity and biocompatibility. There are several ways to prepare hydro > > > > --- > > > **Title: EFFECT OF THE COMPATIBILISER ON THE MORPHOLOGY AND PROPERTIES OF DYNAMICALLY CURED PP/EPDM/EPOXY BLENDS** > Page Range: p.145-150 > Author(s): Xueliang Jiang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100352&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > Dynamic vulcanisation was successfully applied to epoxy resin reinforced PP/EPDM blends, and the effects of different compatibilisers on the morphology and properties of dynamically cured PP/EPDM/epoxy blends were studied. Results indicated that dynamical > > > > --- > > > **Title: PHASE TRANSITION AND DEGRADATION CHARACTERISTICS OF POLY(URETHANE-SILOXANE) COPOLYMERS** > Page Range: p.151-159 > Author(s): Jen-Taut Yeh; Yao-Chi Shu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100353&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > The properties and characteristics of segmented polyurethane elastomers and polydimethyl siloxane (PDMS) are described. In this work, PDMS monomer was incorporated into the soft segment of polyurethane using a stepwise reaction between at least two bifunctional compounds (4,4'-diphenylmethane diisocyanate, hydroxyl-terminated PDMS and 1,4-butanediol) to improve the thermal properties of a typical PU. The phase transition and degradation characteristics of the poly(urethane-siloxane) copolymers were studied using DSC and TGA. 32 refs. > > > > --- > > > **Title: SEMI-CONTINUOUS SHEAR FLOW INVESTIGATION INTO MEDIUM AND HIGH MOLECULAR WEIGHT POLYHYDROXYBUTYRATE BLENDS** > Page Range: p.161-165 > Author(s): Sharma L; Ogino Y; Kanaya T; Iwata T; Doi Y > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100354&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.2 > > **Abstract** > Changes were investigated in the morphology of medium and high molecular weight polyhydroxybutyrate blends (MMWT/HMWT PBB) during shearing, using various in-situ rheological methods. Four PHB blends of medium and high molecular weight species were investigated in order to establish a relationship between molecular weight, shear technique and morphology in PHB. On single shearing, fibres were formed only at the highest MMWT/HMWT ratio of 97/3. This was attributed to a critical orientation molecular weight. Fibre formation took place with all compositions, and there was a rapid initial shish formation on multiple shearing. This is claimed to be evidence for a partial shish based on the Janeschitz-Kriegl model. 21 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PROCESSING, IMPACT RESPONSE AND DAMAGE CHARACTERISATION OF PLAIN-WEAVE CARBON/EPOXY-NANOCLAY NANOCOMPOSITES Page Range: p.425-435 Author(s): Chowdhury F H; Hosur M V; Jeelani S File size: Download... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PROCESSING, IMPACT RESPONSE AND DAMAGE CHARACTERISATION OF PLAIN-WEAVE CARBON/EPOXY-NANOCLAY NANOCOMPOSITES** > Page Range: p.425-435 > Author(s): Chowdhury F H; Hosur M V; Jeelani S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100385&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > > > **Abstract** > An organically modified montmorillonite nanoclay was used to modify a toughened epoxy system using ultrasonic cavitation and 15-layer plain weave carbon/epoxy composites fabricated therefrom by hand lay-up followed by vacuum bag moulding. The basal spacing between the clay galleries was investigated by X-ray diffraction and low velocity impact tests carried out on samples cut from the composites using an instrumented drop-weight tower device. Transient responses of the samples were recorded and analysed in terms of load energy versus time relations and impact damage characterised by ultrasonic C-scanning. 16 refs. > > > > --- > > > **Title: A STUDY OF THE MECHANICS OF POROUS PLGA 85/15 SCAFFOLD IN COMPRESSION** > Page Range: p.437-443 > Author(s): Leung L; Perron J; Naguib H E > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100386&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > A constitutive model for predicting the compression properties of porous poly(DL-lactide-co-glycolide) open-celled foam scaffolds was derived from the morphology of a unit cubic cell and extrapolated from describing the unit cell to the entire sample by relating cell characteristics to the relative density of the foam. The model was verified by comparing predictions with experimental findings for scaffold samples prepared by the gas foaming/salt leaching method and subjected to uniaxial compression testing and shown to accurately describe the compression behaviour of foams with low relative densities. 28 refs. > > > > --- > > > **Title: EVALUATION OF THE COMPRESSIVE YIELD STRENGTH OF HOLLOW GLASS MICROSPHERE-EPOXY COMPOSITES AS A FUNCTION OF THE MICROSPHERE/EPOXY INTERFACE STRENGTH** > Page Range: p.445-451 > Author(s): D'Almeida J R M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100387&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > The effect of the interface on the compression properties of hollow glass microsphere/epoxy composites fabricated under varying interfacial conditions by surface treating the microspheres with a silane coupling agent and also with a silicone oil decoupling agent. The microsphere-to-matrix interaction was also changed by varying the hardener to epoxy monomer ratio. The results obtained were compared with those derived from various mathematical models and discussed in terms of interfacial strength and changes in the reinforcing effect and stress concentration due to the presence of the microspheres. 31 refs. > > > > --- > > > **Title: THERMAL AND MECHANICAL COUPLINGS IN PLAIN AND WOOD FIBRE REINFORCED POLYPROPYLENE DURING TENSILE AND FRACTURE TESTS** > Page Range: p.453-462 > Author(s): Dupre J-C; Lagattu F > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100388&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > Spruce fibres were incorporated into a PP homopolymer in a twin-screw extruder and the effect of the fibres on the PP investigated using a thermomechanical approach. Simultaneous measurements were made of the strain field and thermal field and mechanical damage studied in both tensile and fracture tests. Whole-field strain measurements were obtained using the digital image correlation method and the thermal field obtained with the aid of an infrared camera. The heat equation established in the context of classical thermodynamics of irreversible processes was used to evaluate the heat sources and fracture behaviour before crack propagation and crack propagation in the composites discussed. 26 refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTIES OF POLY(METHYLPHENYLSILOXANE) CONTAINING METHACRYLOYL GROUPS** > Page Range: p.463-468 > Author(s): Sun J T; Huang Y D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100389&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > Polymethylphenylsiloxane containing methacryloyl groups was synthesised by the co-hydrolysis and polycondensation of methacryloxypropyltrimethoxysilane (MPTS) with other silane monomers. The effect of MPTS on the synthesis, thermal properties and adhesive properties of the polymethylphenylsiloxane was investigated by FTIR spectroscopy, TGA, DTG, scanning electron microscopy and shear strength tests. The polymethylphenylsiloxane possessed the best adhesive properties when the amount of MPTS was 8 wt.%. 15 refs. > > > > --- > > > **Title: CURING BEHAVIOUR OF EPOXY RESIN WITH A DIAMINE CONTAINING HETEROCYCLIC RINGS** > Page Range: p.469-474 > Author(s): Lu X D; Huang Y D; Zhang C H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100390&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > The curing behaviour of diglycidyl-4,5-epoxycyclohexane-1,2-dicarboxylate with 2,6-di(p-aminophenyl)benzo(1,2,5,4)bisoxazole as a novel curing agent and with mixtures thereof with diaminodiphenylsulphone was investigated by DSC and compared with that of diaminodiphenylsulphone alone. The Tgs and heat stabilities of the cured epoxy resins were determined by torsional braid analysis, DSC and TGA and average apparent activation energies of the curing reactions calculated using the Kissinger and Ozawa methods. The epoxy resin cured with the new curing agent showed higher cure temperatures and apparent activation energies than that cured with diaminodiphenylsulphone. 16 refs. > > > > --- > > > **Title: SERVICE LIFE PREDICTION OF GFRP REBARS IN AN ALKALINE ENVIRONMENT** > Page Range: p.475-479 > Author(s): Jong-Pil Won; Su-Jin Lee; Chang-Il Jang; Cheol Won > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100391&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > The long-term durability of a GRP rebar exposed to an alkaline environment mimicking concrete pore water (a pH 12.6 solution of 0.16% calcium hydroxide, 1% sodium hydroxide and 1.4% potassium hydroxide) for 300 days at different temperatures was investigated and the mechanical degradation of the rebar measured by tensile testing. A model for predicting the durability of the rebar in the domestic environment of Korea was derived using the time shift factor concept from the Dejke model and predictions of the Dejke model and new model compared with the experimental findings. 11 refs. > > > > --- > > > **Title: INFLUENCE OF FLAME RETARDANT AND GLASS FIBRE ON NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF PA66** > Page Range: p.481-487 > Author(s): Liping Li; Bin Li; Fei Tang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100392&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > The effects of melamine polyphosphate flame retardant and glass fibres on the non-isothermal crystallisation behaviour of polyamide-6,6 were investigated by DSC and Avrami analysis. The activation energy for the transport of macromolecular segments to the growing surface was calculated using the Kissinger method and nucleation activity of glass fibres and flame retardant in the composites determined using Dobreva's method. The flame retardant increased crystallisation rate and decreased the supercooling required for crystallising nucleation and glass fibres increased the crystallisation rate and amount of supercooling. 19 refs. > > > > --- > > > **Title: FREE VIBRATION ANALYSIS AND OPTIMAL DESIGN OF A CANTILEVERED ADHESIVELY BONDED COMPOSITE TUBULAR SINGLE LAP JOINT** > Page Range: p.489-506 > Author(s): Apalak M Kyildirim M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100393&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.6 > > **Abstract** > The results are reported of a three-dimensional free vibration analysis and modal stress analysis of an adhesively bonded cantilevered graphite fibre-reinforced epoxy composite tubular single lap joint. The effects of design parameters of the adhesive (epoxy resin) and composite tubes, such as fibre angle, fibre volume fraction, adhesive thickness, overlap length, inner tube radius and tube thickness, on the first ten natural frequencies and mode shapes of the joints are examined using a proposed back-propagation artificial neural network model. A genetic algorithm is combined with the artificial neural network model to search for an optimal joint design in which the natural frequencies are maximised and the corresponding modal strain energies of the joint are minimised. 28 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: IMPACT OF PROCESSING PARAMETERS AND TAPERING OF INJECTION CHAMBER WALLS IN RESIN INJECTION PULTRUSION Page Range: p.507-519 Author(s): Jeswani A L; Roux J A File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: IMPACT OF PROCESSING PARAMETERS AND TAPERING OF INJECTION CHAMBER WALLS IN RESIN INJECTION PULTRUSION** > Page Range: p.507-519 > Author(s): Jeswani A L; Roux J A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100394&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > > > **Abstract** > The effects of processing conditions and tapering of the injection chamber on wet-out of dry glass fibre roving reinforcements by the liquid polyester resin in the tapered injection pultrusion process were studied by modelling using a three-dimensional finite volume technique with fibre pull speed, fibre volume fraction and resin velocity as process parameters. The impact of tapering of the injection chamber on the minimum injection pressure necessary to achieve complete fibre matrix wet-out and the resin pressure at the injection chamber exit are discussed in terms of chamber design. 18 refs. > > > > --- > > > **Title: INCREMENTAL DAMAGE DEVELOPMENT IN A 3D WOVEN CARBON FIBRE COMPOSITE** > Page Range: p.521-533 > Author(s): King S; Stewart G; McIlhagger A T; Quinn J P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100395&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > Damage initiation and subsequent incremental damage development in three-dimensional woven carbon fibre-reinforced epoxy resin composites fabricated by vacuum-assisted resin transfer moulding was investigated experimentally by interlaminar shear strength measurements combined with optical microscopy. The effects of the location of the applied loading and through-the-thickness reinforcement on damage threshold and development are discussed in terms of the presence of resin-rich areas. 17 refs. > > > > --- > > > **Title: AN INVESTIGATION INTO THE EFFECT OF COMPACTION ON THE MECHANICAL PERFORMANCE OF A 3D REINFORCED ADVANCED COMPOSITE** > Page Range: p.535-543 > Author(s): Stewart G; McIlhagger A T; Quinn J P; King S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100396&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The effects of increased fibre volume fraction via compaction on the structure and mechanical properties of three-dimensional woven carbon fibre reinforced epoxy resin composites with through-the-thickness binder tows fabricated using vacuum-assisted resin transfer moulding were investigated by interlaminar shear strength and flexural testing combined with optical microscopy. The results are discussed in terms of distortion of the woven fabric structure with increasing compaction, characterised by decreasing inter-tow distances, nesting and tow deformation. 50 refs. > > > > --- > > > **Title: INFLUENCE OF CITRIC ACID ON THE PROPERTIES OF GLYCEROL-PLASTICISED CORNSTARCH EXTRUSION BLENDS** > Page Range: p.545-552 > Author(s): Wang N; Yu J; Han C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100397&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The effects of citric acid on the properties of glycerol-plasticised dry thermoplastic corn-starch prepared using a single-screw extruder were investigated by SEM, capillary viscometry, FTIR, tensile testing, DMTA and water absorption. The results are discussed in comparison with thermoplastic starch plasticized with glycerol and water in terms of hydrogen bonding interactions between glycerol and starch. 14 refs. > > > > --- > > > **Title: DETECTION AND ESTIMATION OF MONOMERIC ELUATES FROM POLY(METHYL METHACRYLATE) RESIN OF VARIOUS POLYMERISATION MODES** > Page Range: p.553-560 > Author(s): Amin W M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100398&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The leaching into water or artificial saliva of residual methacrylic acid and methyl methacrylate monomers from poly(methyl methacrylate)(PMMA) plates synthesised by different polymerisation methods, including auto-polymerisation, thermal polymerisation and microwave-assisted polymerisation, was investigated by HPLC coupled to a UV detector. The results are discussed in terms of methods of reducing possible health hazards resulting from leaching of residual monomers from PMMA denture bases. 47 refs. > > > > --- > > > **Title: NON-ISOTHERMAL CRYSTALLISATION KINETICS OF POLYAMIDE 6/MESOPOROUS SILICA NANOCOMPOSITES** > Page Range: p.561-567 > Author(s): Hu Q; Ji X; Lu Y > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100399&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The non-isothermal crystallisation kinetics of nanocomposites of polyamide-6 with various proportions of mesoporous silica filler particles was investigated at different cooling rates using DSC and by SEM of fracture surfaces, and data was analysed according to the Mandelkern, Jeziorny-Ziabicki and Ozawa models. Analysis of the Avrami exponent is discussed in terms of the effects of filler content on the mechanism of nucleation and growth of polymer crystallites. 31 refs. > > > > --- > > > **Title: BOND BEHAVIOUR OF FRP REINFORCING BARS IN HIGH-STRENGTH STEEL FIBRE-REINFORCED CONCRETE** > Page Range: p.569-578 > Author(s): Won J-P; Park C-G; Kim H-H; Lee S-W; Won C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100400&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The bond behaviour of two different types of carbon fibre-reinforced vinyl ester resin reinforcing bars in high-strength steel fibre-reinforced concrete was investigated by compressive strength, tensile strength and pull-out tests. The effects of the addition of different proportions of steel fibre on mechanical properties and bond strength were studied and the results are discussed in terms of reduction in microcracks at the interface between concrete matrix and reinforcing bar. 23 refs. > > > > --- > > > **Title: PREPARATION AND OPTIMISATION OF POLYETHERSULFONE-BASED COMPOSITE MEMBRANES FOR AIR SEPARATION AT LOW PRESSURES** > Page Range: p.579-589 > Author(s): Madaeni S S; Esmaeili M; Barzin J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100401&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The fabrication by dip coating with solutions of different concentrations of the glassy polymers, ethyl cellulose, poly(vinyl alcohol) and polystyrene of composite membranes based on poly(ether sulphone) supports prepared by a phase inversion and solution casting process, and their characterisation by SEM, FTIR and gas separation performance, is described. The effects of different polymer coatings on oxygen, nitrogen and air permeability and selectivity were studied and the results are discussed. 21 refs. > > > > --- > > > **Title: FLAME RETARDANT POLYETHYLENE WITH INTUMESCENT SYSTEM CONTAINING MACROMOLECULE-ENCAPSULATED LOW MOLECULAR WEIGHT CHARRING AGENT** > Page Range: p.591-596 > Author(s): Liu M; Huang X; Liu Y; Wang Q > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100402&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.7 > > **Abstract** > The development of a composite intumescent flame retardant system for high density polyethylene based on a charring agent, pentaerythritol, encapsulated by thermoplastic polyurethane, is described. The synergistic effects of other common flame retardants including melamine phosphate, melamine polyphosphate and ammonium polyphosphate with the composite system were investigated by limiting oxygen index and vertical burning tests, TGA, water absorption and TEM, and the results are discussed in terms of optimisation of flame retardance effects. 23 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THE DESIGN AND MANUFACTURE OF ADVANCED 3D WOVEN HYBRID COMPOSITE MATERIALS Page Range: p.597-604 Author(s): Quinn J P; Mcllhagger A T; Mcllhagger R; Ridgeway K;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc15-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THE DESIGN AND MANUFACTURE OF ADVANCED 3D WOVEN HYBRID COMPOSITE MATERIALS** > Page Range: p.597-604 > Author(s): Quinn J P; Mcllhagger A T; Mcllhagger R; Ridgeway K; Ganeshmal M; King R S; Stewart G > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100403&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > > > **Abstract** > The viability and potential benefits of three-dimensional (3D) woven textile reinforcements with metallic yarns integrated into the structure were examined. Hybrid 3D woven composite materials were produced using carbon fibre and aluminium wire, and subsequently impregnated with a two-part aerospace epoxy resin system. The areal density and hence the preform weight increased on introduction of the aluminium wire, whereas the flexural strength and modulus showed little change. The post-impact compressive strength was significantly greater than that of a carbon-fibre composite. 19 refs. > > > > --- > > > **Title: PREPARATION AND CONDUCTIVITY OF POLYANILINE/SiO2 COMPOSITES** > Page Range: p.605-610 > Author(s): Qunwei Tang; Jihuai Wu; Haiyong Ao; Hui Sun; Lin Lin; Jianming Lin > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100404&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > A novel polyaniline/silica composite with a conductivity of 0.26 S/cm was prepared by polymerisation of aniline monomer in the presence of ultrafine silica powder in aqueous solution containing hydrochloric acid as a dopant and ammonium persulphate (APS) as the initiator and oxidant. The reaction conditions were optimised at a mass ratio of SiO"2 to aniline of 20.0, a molar ratio of APS to aniline of 1.0, and a reaction temperature of 25 deg.C for 6 h. The conductivity of the composites remained fairly stable on storage for 50 days. 32 refs. > > > > --- > > > **Title: PREPARATION AND STABILITY OF COPPER PARTICLES FORMED USING AMINO-TERMINATED DENDRIMER AS TEMPLATE** > Page Range: p.611-617 > Author(s): Xiuzhen Wei; Baoku Zhu; Youyi Xu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100405&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > Amine-terminated seventh-generation dendrimers (G7-NH"2) were synthesised and used to study the interior and exterior template processes for the preparation of copper particles. The absorption properties of the G7-NH2(Cu^2^+)"n complexes and the morphology of G7-NH"2(Cu)n composite particles were examined by means of UV spectroscopy and transmission electron microscopy, respectively. Unlike the case in which dendrimers with hydroxyl end-groups are used, copper particles could be prepared by the exterior template process. Both the size of the copper particles and their tendency to aggregate increased with increasing Cu^2^+/G7-NH"2 molar ratio. The copper particles were stable under oxygen-free conditions and could easily be oxidised to G7-NH"2(Cu^2^+) complex ions in the presence of oxygen. 30 refs. > > > > --- > > > **Title: COMPOSITES OF RICE HUSK/WHEAT STRAW WITH PMDI RESIN AND POLYPROPYLENE** > Page Range: p.619-625 > Author(s): Frounchi M; Dadbin S; Jahanbakhsh J; Janat-Alipour M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100406&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > Composites of wheat straw and, optionally, rice husk fibres with polymeric methylene diphenyl diisocyanate resin (pMDI) as a binder made by compression moulding (Type I particleboard) and composites of rice husk and polypropylene made by extrusion and injection moulding (Type II particleboard) were prepared and characterised by a range of methods. In Type I particleboard, the physical and mechanical properties improved with increasing binder content until an optimum level of binder content was reached. Particleboards made of wheat straw blended with 6% pMDI showed a maximum modulus of elasticity. Dimensional stability and water absorption of particle-boards made by combining wheat straw and rice husks were superior to those made only from wheat straw. In Type II particleboards, the nonpolar polypropylene had poor affinity with rice husk, resulting in poor interfacial adhesion and poor mechanical properties. The interfacial adhesion was improved by using trimethoxy(vinyl)silane as a coupling agent and maleic anhydride-grafted polypropylene (MAPP) as a compatibiliser. This allowed effective transfer of mechanical stress through boundary regions, as demonstrated by an improvement in the mechanical properties. The best impact strength result was achieved with a combination of 1.5 wt% silane and 5 wt% MAPP in all-rice husk composites. 17 refs. > > > > --- > > > **Title: MORPHOLOGY AND RHEOLOGICAL PROPERTIES OF POLYETHYLENE/POLYSTYRENE BLENDS** > Page Range: p.627-632 > Author(s): Kossentini-Kallel T; Massardier-Nageotte V; Jaziri M; Gerard J-F; Elleuch B > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100407&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > The evolution of the morphology and rheological properties of polyethylene/polystyrene blends with various compositions was examined over the full range of compositions. The blends were prepared by using a single-screw extruder to simulate a convenient industrial process. Adhesion between the two phases was poor. The morphology and rheological properties of the blends were dependent on their composition. 18 refs. > > > > --- > > > **Title: MECHANICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/STARCH/ MONTMORILLONITE BIODEGRADABLE BLENDS** > Page Range: p.633-638 > Author(s): Jie Ren; Zichao Liu; Tianbin Ren > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100408&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > Biodegradable blends of poly(lactic acid) (PLA), starch, and montmorillonite (MMT) were prepared in a twin-screw extruder and the effects of MMT content on the mechanical and thermal properties of the blends were studied. The microstructure of the composites was examined by means of wide-angle X-ray diffraction and transmission electron microscopy. The blends had a stacked and intercalated/flocculated structure. Blends of PLA and starch with MMT showed a lower crystallisation temperature than those lacking MMT, suggesting that MMT facilitates the crystallisation of PLA. The melting temperature of PLA was not significantly affected by the addition of MMT. The blends had a high tensile strength of approximately 40 MPa and a high flexural strength of approximately 80 MPa. The maximum tensile and flexural strengths were obtained at an MMT content of 2 wt%. The absorption of water by blends containing MMT was lower than those lacking MMT. 25 refs. > > > > --- > > > **Title: CHARACTERISATION AND PROPERTIES OF ABS NANOCOMPOSITE PREPARED FROM FUNCTIONALISED MONTMORILLONITE MASTERBATCHES** > Page Range: p.639-646 > Author(s): Ying Xi'a; Xiaowei Duan; Jianfeng Li; Jianzhu Han; Xigao Jian > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100409&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > Exfoliated acrylonitrile-butadiene-styrene (ABS) nanocomposites were produced in two steps by preparing of a functionalised montmorillonite masterbatch (FMMT) that was then melt blended with ABS. The FMMT was prepared by adding acrylamide monomer (AA), organic-MMT (OMMT), and dibenzoyl peroxide (BPO) as an initiator to a solution of ABS carrier in 1,2-dichloroethane. IR spectroscopy, x-ray diffraction and transmission electron microscopy showed that AA was successfully grafted onto ABS. When the FMMT was blended with ABS, the resulting ABS/FMMT composite had an exfoliated morphology. The thermal properties of the ABS/FMMT nanocomposite were superior to those of pure ABS and ABS/OMMT nanocomposites prepared by direct melt blending of OMMT with ABS. The increase in interfacial interaction and compatibility between the ABS matrix and the FMMT resulted in a marked improvement in the mechanical properties. The tensile modulus and strength were superior to those of ABS/ OMMT, and the decrease in impact strength caused by OMMT was moderated. 29 refs. > > > > --- > > > **Title: MECHANICAL CHARACTERISATION OF POLYURETHANE/CLAY NANOCOMPOSITES** > Page Range: p.647-652 > Author(s): Rihayat T; Saari M; Mahmood M H; Yunus W M Z W; Suraya A R; Dahlan K Z H M; Sapuan S M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100410&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > Polyurethane/clay nanocomposites were synthesised from renewable sources. A polyether polyol, prepared from palm oil-based oleic acid and glycerol, was used to produce a polyurethane by treatment with an isocyanate with dodecylbenzenesulphonic acid as a catalyst and emulsifier. An unmodified clay (kunipia-F) was treated with cetyltrimethylammonium bromide (CTAB-mont) or octadodecylamine (ODA-mont). The d-spacings in CTAB-mont and ODA-mont were 1.571 and 1.798 nm, respectively. The organoclays were intercalated in the polyurethane, as confirmed by a wide angle x-ray diffraction studies. Addition of 1-5 wt% of organoclay produced the most significant improvements in tensile properties and glass transition temperature. 19 refs. > > > > --- > > > **Title: THE CRASHWORTHINESS BEHAVIOUR OF FILAMENT WOUND HEXAGONAL GLASS FIBRE EPOXY COMPOSITE TUBES** > Page Range: p.653-654 > Author(s): Alkbir M F M; Hamouda A M S; Sapuan S M; Mahdi E > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100411&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 15 > Issue No: No.8 > > **Abstract** > The crashworthiness parameters with reference to the axial direction was examined for filament-wound hexagonal glass/epoxy composite tubes 45-mm long and with a hexagonal angle of 45 degrees for use in automobiles. The energy-absorption properties and load-carrying capacity of the resulting assemblies were determined under a quasi-static axial compressive load. The quasi-static axial crushing behaviour of the composite tubes was markedly affected by the post-crushing stage; the tubes showed high crashworthiness parameters. 1 ref. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: CONTINUOUS CONSOLIDATION OF POLYPROPYLENE/GLASS FIBRE COMMINGLED FABRIC Page Range: p.1-8 Author(s): Borazghi H; Trudel-Boucher D; Denault J; Fisa B File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: CONTINUOUS CONSOLIDATION OF POLYPROPYLENE/GLASS FIBRE COMMINGLED FABRIC** > Page Range: p.1-8 > Author(s): Borazghi H; Trudel-Boucher D; Denault J; Fisa B > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100412&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > > > **Abstract** > An experimental investigation was carried out into the continuous consolidation of PP/glass fibre commingled fabric using a continuous roll forming process to determine if it was possible to obtain a quality similar to that achieved by compression moulding. Compaction trials were performed at different fabric temperatures and compaction speeds to determine the influence of these parameters on the level of consolidation. Roll forming experiments were then conducted for different combinations of roll-gap, fabric temperature and line speed and the quality of consolidation assessed by observing polished micrographs of cross-sections and determining void content and flexural properties. Composites with satisfactory quality were produced by continuous consolidation of 4 plies of 1485 g/cu.m. fabric at a rate of 0.5 m/min. 18 refs. > > > > --- > > > **Title: THERMAL EXCHANGES AND THERMOMECHANICAL COUPLINGS IN AMORPHOUS POLYMERS** > Page Range: p.9-17 > Author(s): Germaneau A; Dupre J C > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100413&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > An investigation was carried out to determine energy (heat sources, mechanical energy and internal dissipated energy) during the mechanical testing of polymers from an analysis of strain and thermal data. Heat sources were calculated using a heat equation established using classical thermodynamics concepts and a technique developed to estimate thermal parameters easily without knowledge of the value of the heat source (equal to zero) whilst remaining within the framework of the heat equation. Large strain mechanical tests were carried out on a standard polycarbonate tensile specimen with a thickness equal to 4 mm and the energy balance calculated and associated with volumetric deformation. 23 refs. > > > > --- > > > **Title: E-GLASS/PHENOLIC PREPREG PROCESSING BY SOLVENT IMPREGNATION** > Page Range: p.19-26 > Author(s): Sohaib Akbar; Chen Yan Ding; Yousaf I; Khan H M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100414&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > A new approach for the design and operation of prepreg machinery is presented and its application to the production of E-glass/phenolic resin prepregs is described. The approach involves successive decreases in the pressure of squeezing rollers in the soaking zone and successive increases in the temperature of the drying zone. It was developed by conducting experiments into resin content, solvent content, extent of impregnation and tack and drape properties of prepregs prepared under different processing conditions. 26 refs. > > > > --- > > > **Title: INTERNAL STRUCTURE AND MECHANICAL PROPERTIES OF GLASS FIBRE REINFORCED PC/ABS INJECTION MOULDINGS WITH DIFFERENT FIBRE SURFACE TREATMENTS** > Page Range: p.27-33 > Author(s): Mizoguchi M; Umemura T; Takasima S; Otsuki S; Bin Yang; Kuriyama T; Yew Wei Leong; Hamada H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100415&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > Three grades of commercially available glass fibres were subjected to surface treatments specially formulated and optimised to enhance the affinity of the fibre surfaces to either the polycarbonate phase, ABS phase or both phases of polycarbonate/ABS composites made therefrom and the effect of the surface treatments on the mechanical properties of the composites investigated through microstructural observations. Fibre length distribution, fibre orientation and morphological properties of the fibre-matrix interfacial regions were examined and correlated with the mechanical properties of the composites obtained by three-point bending and Charpy impact testing. > > > > --- > > > **Title: SILICON-ORGANIC POLYEPOXIDES WITH EPOXY SIDE GROUPS MODIFIED WITH CHELATES** > Page Range: p.35-46 > Author(s): Lekishvili N; Samakashvili S; Lekishvili G > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100416&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > Novel silicon-organic polyepoxides with epoxy side groups attached to the main chain were synthesised by the hydrosilylation of dihydrosiloxanes with a diallyl ether of an epoxidised glycerol. Reaction rate constants and reaction order were determined and the effect of the structure of the monomers with terminal Si-H groups on reaction rate constants, yield and properties of the polyepoxides investigated. The polyepoxides were modified with chelates containing copper, nickel, manganese and cobalt atoms in the main chain and the modified polyepoxides characterised by elemental analysis, IR spectroscopy, NMR spectroscopy, wide angle X-ray diffraction and differential scanning calorimetry. 26 refs. > > > > --- > > > **Title: MOLECULARLY IMPRINTED POLYMER: USING THE TEMPLATE-MONOMER STRATEGY TOWARDS A HIGHLY SELECTIVE SORBENT** > Page Range: p.47-54 > Author(s): Mingxia Zheng; Songjun Li; Jianming Zhang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100417&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > The design of a molecularly imprinted polymer highly recognisable to Bisphenol A is described and the ability of polymer to discriminate Bisphenol A from its analogue, dihydroxybenzophenone, demonstrated by adsorption tests. The imprinted polymer is synthesised using Bisphenol A dimethacrylate as the polymerisable monomer and the binding framework is generated by releasing the Bisphenol A from the precursor. It is shown that adsorption by this polymer fits the Freundlich and Temkin models well but not the Langmuir model. 22 refs. > > > > --- > > > **Title: NIR SPECTROSCOPY: A USEFUL TOOL FOR QUALITY CONTROL OF GLASS/PHENOLIC PREPREG MANUFACTURE** > Page Range: p.55-62 > Author(s): Wei Li; Yu Dong Huang; Ping Chen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100418&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > The development of a technique to control the on-line quality of glass/phenolic prepreg cloth using near-infrared (NIR) spectroscopy is reported. This was achieved by the establishment of calibration models for resin content, volatile content and degree of pre-cure using partial least squares regression and testing of several spectral pretreatments to obtain optimum models. Application of the technique to investigate the relationship between resin content, volatile content and degree of pre-cure and various processing parameters is demonstrated and quality control realised by adjusting the appropriate processing parameters. 23 refs. > > > > --- > > > **Title: ELECTRICAL AND MECHANICAL PROPERTIES OF CARBON BLACK-FILLED POLY(STYRENE-CO-BUTYL ACRYLATE) LATEX REINFORCED POLYESTER NONWOVEN COMPOSITES** > Page Range: p.63-69 > Author(s): Satheesh Kumar M N; Siddaramaiah > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100419&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > Composites for antistatic applications were fabricated by impregnating polyester non-woven fabrics with aqueous carbon black-filled poly(styrene-co-butyl acrylate) latex and the effect of the amount of carbon black on the mechanical and electrical properties of the composites investigated. Properties evaluated included tensile strength, stitch tear strength, surface hardness, percentage elongation, dielectric constant, dissipation factor and loss factor. > > > > --- > > > **Title: A NEW METHOD FOR TESTING AND EVALUATING THE LONG-TERM RESISTANCE TO OXIDATION OF POLYOLEFINIC PRODUCTS** > Page Range: p.71-79 > Author(s): Schroeder H F; Munz M; Boehning M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100420&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.1 > > **Abstract** > A report is presented on the development of a test for determining the long-term oxidation resistance of polyolefin materials, which is accelerated not only by elevated temperatures but also by increased oxygen pressure and a stirred aqueous medium. The method permits durability tests to be carried out at markedly lower temperatures with reasonable testing durations and significantly reduced diffusion limited oxidation effects and allows for physical and chemical impacts of aqueous media. Oxidative durability can be assessed by autoclave immersion exposures at three different temperatures (60, 70 and 80 degrees C) and 50 bar oxygen pressure and at 80 degrees C and two different oxygen pressures (usually 10 and 20 bar). Accelerated test data are evaluated by modified Arrhenius equations with the application of a three-dimensional regression analysis. The application of the test method to various materials, including PP non-woven materials and geosynthetics is demonstrated. 10 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: CHARACTERIZATION AND MODELING OF THE EFFECT OF ENVIRONMENTAL DEGRADATION ON INTERLAMINAR SHEAR STRENGTH OF CARBON/EPOXY COMPOSITES Page Range: p.165-179 Author(s): Goruganthu S; Elwell J; Ramasetty... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: CHARACTERIZATION AND MODELING OF THE EFFECT OF ENVIRONMENTAL DEGRADATION ON INTERLAMINAR SHEAR STRENGTH OF CARBON/EPOXY COMPOSITES** > Page Range: p.165-179 > Author(s): Goruganthu S; Elwell J; Ramasetty A; Nair A R; Roy S; Haque A; Dutta P K; Kumar A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100429&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > > > **Abstract** > The durability of unidirectional carbon fibre-reinforced epoxy resin composite laminate panels under UV, hygrothermal exposure, and applied tensile stress was investigated experimentally by accelerated ageing tests with determination of interlaminar shear strength via short beam shear testing of conditioned specimens. The data are discussed in comparison with the results of simulations based on a phenomenological predictive model derived using finite element analysis, and in terms of applications in emerging facilities and infrastructure such as bridges and buildings in different climatic zones. 27 refs. > > > > --- > > > **Title: MORPHOLOGICAL CHARACTERISATION OF BACTERIAL CELLULOSE-STARCH NANOCOMPOSITES** > Page Range: p.181-185 > Author(s): Grande C J; Torres F G; Gomez C M; Troncoso O P; Canet-Ferrer J; Martinez-Pastor J > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100430&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > **Abstract** > The preparation of bacterial cellulose-starch nanocomposites using modified Acetobacter sp. growing medium via a bottom-up technique that allows starch to be introduced into the cellulose network is described. The morphological properties of hot-pressed sheets of the nanocomposites were investigated by ESEM and AFM with data processing by image analysis, and the results are discussed in terms of network properties, such as mesh size and fibre orientation, and the analysis of fracture surfaces. 12 refs. > > > > --- > > > **Title: BOND PROPERTIES OF GLASS FIBRE-REINFORCED POLYMER DOWEL BARS IN JOINTED CONCRETE** > Page Range: p.187-192 > Author(s): Park C-G; Jang C-I; Lee S-W; Won J-P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100431&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > **Abstract** > The bond properties of glass fibre-reinforced vinyl ester resin composite dowel bars of circular or elliptical cross-section installed at the transverse joints of concrete slabs were investigated experimentally using draw-out and push-back tests to simulate the repeated shrinkage and expansion movements of the concrete due to temperature and humidity changes. The effects of dowel bar size and shape on pull-out strength are discussed in terms of resistance to destruction of the concrete slabs by curling. 13 refs. > > > > --- > > > **Title: SYNTHETIC ZINC OXIDE NANOPARTICLES AS CURING AGENT FOR POLYCHLOROPRENE** > Page Range: p.193-198 > Author(s): Sahoo S; Kar S; Ganguly A; Maiti M; Bhowmick A K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100432&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > **Abstract** > The curing of polychloroprene rubber using zinc oxide nanoparticles, synthesised by homogeneous precipitation from zinc nitrate and ammonium carbonate solutions followed by calcination and characterised by TEM, as curing agent was investigated by FTIR, SEM, tensile testing, DMTA and swelling studies. The mechanical and dynamic mechanical properties are discussed in comparison with those obtained using rubber grade zinc oxide in terms of crosslink density and interactions between rubber and curing agent. 28 refs. > > > > --- > > > **Title: PROPERTIES OF GLASS LAMINATES OF NOVOLAC EPOXY – DIALLYL BISPHENOL A – BISMALEIMIDE RESINS** > Page Range: p.199-208 > Author(s): Ambika Devi K; Reghunadhan Nair C P; Viswanathan Ashari G; Ninan K N > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100433&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > **Abstract** > The fabrication of glass fibre-reinforced composite laminates of ternary reactive blends of novolac epoxy, 2,2'-diallyl-bisphenol A and various proportions of bisphenol A bismaleimide (BMI), and their characterisation after curing by FTIR, DSC, rheological properties, TMA, DMA, flexural, compressive and interlaminar shear strength, fracture toughness, fatigue testing, stress relaxation and fracture surface analysis (SEM), is described. The effects of BMI concentration and of the addition of poly(ethersulphone) as toughening agent on mechanical and high temperature properties of the laminates were investigated and the results are discussed. 26 refs. > > > > --- > > > **Title: UV-RESISTANT PERFORMANCE OF POLYSTYRENE/TiO2 COMPOSITE PARTICLES CONTAINING ORGANIC UV-STABILISER GROUPS** > Page Range: p.209-216 > Author(s): Zou J; Zhao Y; Yang M; Dan Y > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100434&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > **Abstract** > The synthesis of grafted composite particles by emulsion copolymerisation of styrene with sodium sulphopropyl lauryl maleate and 2-hydroxy-4-(3-methacryloxy-2-hydroxypropoxy)benzophenone with potassium peroxydisulphate as initiator in the presence of titanium dioxide nanoparticles pre-treated with 3-(trimethoxysilyl)propyl methacrylate is described. The products were characterised by UV-visible absorption and diffuse reflectance spectroscopy, weight loss after UV irradiation, DSC and GPC, and the results are discussed in comparison with those for the ternary copolymer itself, for polystyrene and for polystyrene/titanium dioxide composite in terms of resistance to UV irradiation. 16 refs. > > > > --- > > > **Title: LEAD-FREE STABILIZATION FOR PVC PIPES: THE NEW ALTERNATIVE** > Page Range: p.217-224 > Author(s): Hebrard M; Lundquist E G; Cho J-Y > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100435&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.3 > > **Abstract** > The commercial development of latent tin mercaptides blocked with organic groups as heat stabilisers for extruded poly(vinyl chloride)(PVC) pipes as a replacement for lead-based stabilisers is described. The stabilisation mechanism and performance attributes including thermal stability under processing conditions, rheology and recyclability of PVC systems containing the heat stabilisers are discussed in comparison with those for lead-containing and alternative commercial calcium-zinc based systems. 11 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: DETERMINATION OF WRINKLING CRITERIA FOR AN INCOMPRESSIBLE POLYMER MEMBRANE BY NON-LINEAR ELASTIC FINITE ELEMENT METHOD Page Range: p.225-232 Author(s): Kim J H; Lee M-G; Han... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: DETERMINATION OF WRINKLING CRITERIA FOR AN INCOMPRESSIBLE POLYMER MEMBRANE BY NON-LINEAR ELASTIC FINITE ELEMENT METHOD** > Page Range: p.225-232 > Author(s): Kim J H; Lee M-G; Han C-S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100436&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > > > **Abstract** > The determination of a wrinkling criterion for non-linear elastic membrane materials such as thin polymer, fabric or rubber structures by implementing the constitutive equation proposed by Ogden for incompressible hyperelastic materials using finite element analysis is described. The wrinkle/non-wrinkle boundaries were traced by means of the relationship between strain energy and the principal values of the stretch tensor, and it was shown that initiation of wrinkling of an elastic membrane can be regarded as taking place at the point of slope change of the strain energy-stretch curve. 12 refs. > > > > --- > > > **Title: MECHANICAL BEHAVIOR OF COMPOSITE SANDWICH STRUCTURES SUBJECTED TO LOW VELOCITY IMPACT – EXPERIMENTAL TESTING AND FINITE ELEMENT MODELING** > Page Range: p.233-240 > Author(s): Rizov V; Mladensky A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100437&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The mechanical properties of composite sandwich beam and panel structures, composed of glass fibre-reinforced vinyl ester resin composite laminate face sheets and a cross-linked poly(vinyl chloride) closed-cell foam core and fabricated by the vacuum infusion method, when subjected to low velocity impact were investigated experimentally using a drop-weight test rig. The experimental data are discussed in comparison with the predictions of a finite element model developed to simulate impact response. 25 refs. > > > > --- > > > **Title: MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF POLYSTYRENE SULFONIC ACID-GRAPHITE NANOSHEET COMPOSITES** > Page Range: p.241-247 > Author(s): Yu C; Li B > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100438&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The fabrication of nanocomposites of poly(styrene sulphonic acid)(PSS), synthesised by sulphonation of polystyrene obtained by emulsion polymerisation of the monomer and characterised by FTIR and degree of sulphonation, with various proportions of graphite nanosheets (NanoG) by casting dispersions of NanoG in PSS aqueous solution is described. The products were characterised by morphology (XRD, SEM and TEM) and electrical conductivity, and the effects of filler content on electrical properties are discussed in comparison with the predictions of the classical percolation theory. 34 refs. > > > > --- > > > **Title: ECO-COMPOSITES OF POLYURETHANE AND LUFFA AEGYPTIACA MODIFIED BY MERCERISATION AND BENZYLATION** > Page Range: p.249-256 > Author(s): Melo B N; Dos-Santos C G; Botaro V R; Pasa V M D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100439&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The preparation by a hot pressing process of composites of polyurethane derived from castor oil and polymeric 4,4'-diphenylmethane diisocyanate with cellulose fibres derived from Luffa aegyptiaca, and their characterisation by TGA, tensile testing and water absorption, is described. The effects of surface treatment of the fibres by alkali treatment (mercerisation) with or without subsequent benzylation on the mechanical, morphological and water absorption properties of the fibres and composites were investigated by FTIR, XRD, DSC and SEM, and the results are discussed. 16 refs. > > > > --- > > > **Title: THE INFLUENCE OF BARIUM SULFATE ON THE MECHANICAL PROPERTIES OF GLASS/EPOXY RESIN COMPOSITE** > Page Range: p.257-262 > Author(s): Wang Z; Zhang F; Song N; Ni L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100440&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The fabrication of epoxy resin and glass fibre-reinforced epoxy resin composite bars containing various proportions of barium sulphate filler and their characterisation by flexural and impact strength measurements is described. The effects of filler content on the mechanical properties of the composites were studied by statistical analysis of the experimental data and the results are discussed. 34 refs. > > > > --- > > > **Title: FLEXURAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/ORGANO-MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.263-270 > Author(s): Shyang C W; Kuen L S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100441&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The preparation of nanocomposites of poly(lactic acid) and various proportions of organically modified montmorillonite clay by solution intercalation using toluene as solvent and by melt intercalation using a twin-screw extruder, and their characterisation by flexural properties, FESEM, EDX, XRD and DSC, is described. The effects of filler content and preparation method on mechanical, morphological and thermal properties of the nanocomposites are discussed in terms of filler dispersion. 15 refs. > > > > --- > > > **Title: EFFECT OF EPOXY-FUNCTIONALISED CORE-SHELL PARTICLES ON PROPERTIES OF POLY(BUTYLENES TEREPHTHALATE)(PBT)** > Page Range: p.271-276 > Author(s): Wu G; Ji W; Sun S; Zhang H > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100442&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The synthesis of epoxy-functionalised core-shell impact modifiers with different particle sizes and different epoxy contents based on a poly(butyl acrylate) core and a poly(methyl methacrylate) shell grafted with glycidyl methacrylate (GMA) via multi-step seeded emulsion polymerisation is described. The properties of blends of the impact modifiers with poly(butylene terephthalate) prepared by reactive melt blending and injection moulding were studied by DSC, SEM, DMA, impact and tensile testing, and the effects of the GMA content and particle size of the impact modifiers on mechanical properties of the blends are discussed. 35 refs. > > > > --- > > > **Title: PREPARATION OF NATURAL RUBBER/EVA/MONTMORILLONITE NANOCOMPOSITES BY LATEX COMPOUNDING** > Page Range: p.277-282 > Author(s): Chuayjuljit S; Nonthaboonlert B; Limpanart S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100443&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.4 > > **Abstract** > The preparation by latex compounding of nanocomposites of blends of various proportions of natural rubber latex and poly(ethylene-co-vinyl acetate) with sodium montmorillonite, and their characterisation after curing by XRD, SEM, TEM and tensile strength, is described. The effects of blend composition and addition of filler on tensile properties are discussed in terms of compatibility and filler dispersion. 18 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THERMAL DEGRADATION OF ELASTOMER BASED NANOCOMPOSITES Page Range: p.283-293 Author(s): Susmita Dey Sadhu; Rajeev R S; Bhowmick A K File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THERMAL DEGRADATION OF ELASTOMER BASED NANOCOMPOSITES** > Page Range: p.283-293 > Author(s): Susmita Dey Sadhu; Rajeev R S; Bhowmick A K > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100444&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > > > **Abstract** > The thermal degradation behaviour of nanocomposites based on SBR, BR and nitrile rubber with various amounts of acrylonitrile and either sodium montmorillonite or octadecyl amine-modified sodium montmorillonite clays was investigated by thermogravimetry. The effects of the type of nanofiller, rubber polarity and filler loading on thermal degradation of the rubbers were examined and activation energies of degradation calculated using the Flynn-Wall-Ozawa method. 26 refs. > > > > --- > > > **Title: MODELLING OF STRENGTH AND STIFFNESS BEHAVIOUR OF NATURAL FIBRE REINFORCED POLYPROPYLENE COMPOSITES** > Page Range: p.295-302 > Author(s): Taha I; El-Sabbagh A; Ziegmann G > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100445&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > The mechanical properties of an injection moulded sisal-PP composite were investigated by tensile and single fibre pull-out tests. An analytical model based on the rule of mixtures accounting for the different modes of load transfer between matrix and fibre and their changeover was derived and verified against the experimental findings and literature data. Close agreement between the model and experimental results was achieved at low fibre contents (below 20 wt.%) and fibre contents exceeding 40 weight percent. 22 refs. > > > > --- > > > **Title: STORAGE STABILITY OF ULTRAVIOLET IRRADIATED HDPE** > Page Range: p.303-307 > Author(s): Shushan Deng; Qianping Ran; Shishan Wu; Jian Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100446&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > Changes in the concentration of oxygen-containing groups, such as C-O and C=O, introduced by UV irradiation onto HDPE and the hydrophilicity of the irradiated HDPE before and after storage for up to 11,040 h. were investigated. The irradiated HDPE was used as a compatibiliser in HDPE/sericite-tridymite-cristobalite and the mechanical properties of the compatibilised blend investigated before and after storage. 11 refs. > > > > --- > > > **Title: KINETIC MODEL FOR THE THERMAL DEGRADATION OF POLY(METHYLPHENYLSILOXANE)** > Page Range: p.309-314 > Author(s): Sun J T; Huang Y D > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100447&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > The kinetics of thermal degradation of polymethylphenylsiloxane were investigated under non-isothermal conditions by dynamic thermogravimetry and corresponding kinetic parameters of the degradation stages (unzipped and rearranged) determined using the Kissinger and Friedman methods. The Arrhenius pre-exponential factor and reaction order for the two degradation stages were also determined and a kinetic model developed using the values of the kinetic parameters. 14 refs. > > > > --- > > > **Title: EFFECT OF FILLERS ON THE FIRE RETARDANT PROPERTIES OF INTUMESCENT POLYPROPYLENE COMPOUNDS** > Page Range: p.315-322 > Author(s): Faghihi J; Morshedian J; Ahmadi S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100448&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > The effects of fillers, including ammonium polyphosphate, aluminium trihydrate and talc, and an impact modifier/compatibiliser (EVA) on the fire retardant and mechanical properties of PP were investigated by tensile and Izod impact testing, TGA, scanning electron microscopy and limiting oxygen index measurements. The influence of a silane coating on the surface of ammonium polyphosphate was also investigated. The results obtained were interpreted by means of thermal decomposition, chemical reaction between the components and formation of a protective ceramic-like layer at the surface of talc-filled PP upon ignition. 27 refs. > > > > --- > > > **Title: PERMEATION OF CHLORINATED HYDROCARBON VAPOURS THROUGH POLY(ETHYLENE-CO-VINYL ACETATE) MEMBRANES** > Page Range: p.323-329 > Author(s): Kumar S A; Muralidharan M N; Kumaran M G; Thomas S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100449&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > The permeation of chlorinated hydrocarbon vapours through uncrosslinked and crosslinked EVA membranes was investigated. Dicumyl peroxide and benzoyl peroxide were used as crosslinking agents. The effects of crystallinity, crosslinker loading, type of crosslinking agent and penetrant size on permeation were examined and the influence of free volume on gas barrier properties evaluated using positron annihilation lifetime spectroscopy. Crosslink density was calculated using the equilibrium sorption method and its influence on permeation also assessed. 22 refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF BIS(3-VINYL ESTER-2-HYDROXY PROPANE) ETHER-TERMINATED POLY(DIMETHYLSILOXANE) TOUGHENED EPOXY-CLAY HYBRID NANOCOMPOSITES** > Page Range: p.331-341 > Author(s): Chozhan C K; Alagar M; Gnanasundaram P > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100450&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > A bis(3-vinyl ester-2-hydroxy propane) ether-terminated poly(dimethylsiloxane) was synthesised from diglycidyl ether-terminated PDMS and acrylic acid, structurally characterised by FTIR spectroscopy and NMR spectroscopy and used as a toughening agent in a diglycidyl ether of Bisphenol A epoxy resin cured with 4,4'-diaminodiphenylmethane. The epoxy system and toughened epoxy system were further modified with organophilic montmorillonite clay and the mechanical, dynamic mechanical and thermal properties of the systems investigated. The water absorption behaviour of the systems was also investigated and fracture surfaces of the systems characterised by scanning electron microscopy. 44 refs. > > > > --- > > > **Title: HIGHLY FIBER-LOADED COMPOSITES: PHYSICAL AND MECHANICAL PROPERTIES** > Page Range: p.343-347 > Author(s): Nourbakhsh A; Ashori A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100451&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.5 > > **Abstract** > The effects of coupling agent (maleated PP) and fibre content on the physical and mechanical properties of a PP composite containing poplar fibre as the reinforcing filler were investigated. The elastic modulus, modulus of rupture, internal bonding and dimensional stability of the composites were determined and the influence of temperature on water absorption and thickness swelling examined. The mechanical strengths of the composites improved slightly as fibre loading increased and physicomechanical properties were significantly improved with the addition of the coupling agent. 16 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MECHANICAL, OPTICAL AND BARRIER PROPERTIES OF PA6/NANOCLAY-BASED SINGLE- AND MULTILAYER BLOWN FILMS Page Range: p.349-358 Author(s): Poisson C; Guerengomba J; Lacrampe M-F; Krawczak P; Gupta... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MECHANICAL, OPTICAL AND BARRIER PROPERTIES OF PA6/NANOCLAY-BASED SINGLE- AND MULTILAYER BLOWN FILMS** > Page Range: p.349-358 > Author(s): Poisson C; Guerengomba J; Lacrampe M-F; Krawczak P; Gupta B; Miri V; Lefebvre J-M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100452&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > > > **Abstract** > Nanocomposite single layer films prepared from polyamide-6 (PA6) or PA6 nanocomposites, or multilayer films prepared from either of the same two polymers with polyethylene (PE) and a bonding layer of maleic anhydride grafted PE, were examined for their potential application in food packaging. Films were blown and were characterised for their mechanical properties, optical performance and oxygen impermeability. Processing conditions only affected optical properties, but significant improvements were gained by using the PA6 nanocomposite film in all areas. Films were examined using differential scanning calorimetry, wide angle X-ray scattering, oxygen permeability measurements, gloss, haze, optical clarity and tensile properties. 25 refs. > > > > --- > > > **Title: SMART POLYMERIC MEMBRANES: SELF-CONTROL OF PORE SIZE INDUCED BY VARIATIONS IN PH** > Page Range: p.359-363 > Author(s): Estrada R; Rodriguez R; Castano V M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100453&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > Properties of porous membranes in which the pore size could be adjusted by pH conditions were discussed. Scanning electron microscopy was used to illustrate the effect. Membranes were prepared from cellulose acetate, and a non-linear mathematical model was designed and described to explain the pore size control. Similar behaviour with respect to temperature was also mentioned and the membranes could be used to simulate natural body organs such as the kidney or liver that also adjust pore size with the prevailing conditions. 18 refs. > > > > --- > > > **Title: MONITORING THE DEGREE OF CONVERSION OF CYCLIC BUTYLENE TEREPHTHALATE USING DIELECTRIC ANALYSIS** > Page Range: p.365-373 > Author(s): Archer B; McIlhagger A T; McIlhagger R; Quinn J P; Mallon P; Bradaigh C O > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100454&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > The use of dielectric analysis for monitoring the degree of conversion of cyclic butylene terephthalate to polybutylene terephthalate (PBT) was described and discussed. Dielectric analysis is normally used for monitoring the degree of cure in thermosets. Both glass fibre reinforced and unreinforced materials were evaluated as part of a study into moulding large parts such as wind turbine blades. By adjustments in the process cycle, parameters were identified for optimisation of moulding cycles for PBT parts, but care was necessary to ensure correct choice of frequency for events that were frequency dependent. Samples were also evaluated by gel permeation chromatography, differential scanning calorimetry, and thermogravimetric analysis. 25 refs. > > > > --- > > > **Title: FAST FUNCTIONALISATION OF POLYPROPYLENE (PP) BY ULTRAVIOLET IRRADIATION AND COMPATIBILISED PP/CALCIUM CARBONATE COMPOSITE** > Page Range: p.375-378 > Author(s): Shushan Deng; Qianping Ran; Shishan Wu; Jian Shen > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100455&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > Ultraviolet irradiation at high environmental temperatures in air was used to introduce single- and double-bonded oxygen atoms onto polypropylene (PP) in PP powder form. The polymer, and composites incorporating the treated PP, were characterised using Fourier transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, differential scanning calorimetry, scanning electron microscopy, contact angle measurements, gel content determination, melt flow rate, tensile properties and impact strength. It was shown that melt temperature of the PP decreased whilst melt flow, crystallinity and hydrophilicity of surfaces increased. Compatibility and dispersion of filler in composites of PP and calcium carbonate were improved when the irradiated PP was used as compatibiliser. Tensile and impact properties of composites were increased. 12 refs. > > > > --- > > > **Title: WATER ABSORPTION OF LIGNOCELLULOSIC PHENOLIC COMPOSITES** > Page Range: p.379-387 > Author(s): Jau Choy Lai; Ani F N; Hassan A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100456&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > Water absorption of phenolic resin composite materials filled with palm shell flour, rice husk flour or coconut shell flour was investigated with respect to particle size and filler content. Samples were prepared on a two-roll mill and were compression moulded. Kinetics of water absorption were determined and were shown to be Fickian in character, with water absorption rate and quantity increasing only with filler content. 45 refs. > > > > --- > > > **Title: THE INFLUENCE OF IRON/IRON OXIDE MIXTURE ON THE MOLECULAR FLUCTUATION NETWORKS OF POLYBUTYLENETEREPHTHALATE** > Page Range: p.389-394 > Author(s): Ozden S; Borukayev T A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100457&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > The effects on impact strength of adding a mixture of a highly dispersed iron oxide and elemental iron to polybutylene terephthalate were investigated, and significant improvements were observed. The reasons for these improvements were investigated using fractal analysis, and it was shown that a reduction of free volume occurred in the polymer and increased the density of the fluctuation network of molecular chains, the packing of the molecules and the interphase between the crystalline and amorphous regions. Most improvement was achieved at a filler level of 0.05 percent. 32 refs. > > > > --- > > > **Title: EFFECT OF SILICA SOL-MODIFIED NANO-CALCIUM CARBONATE ON POLYURETHANE(UREA) DISPERSIONS AND THEIR FILMS** > Page Range: p.395-400 > Author(s): Yang Dongya; Qiu Fengxian > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100458&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > An in situ dispersion method was used and described for the preparation of nanocomposites of polyurethane-urea (PUU) and silica sol modified calcium carbonate. The dispersions were characterised using Fourier transform infrared spectroscopy, transmission electron microscopy, and rheological measurements. It was observed that filler nanoparticles were dispersed within the PUU matrix and laid onto the PUU particles. At filler levels of less than 15 percent, the dispersions showed pseudoplastic behaviour. Films prepared from the dispersions were evaluated for their tensile properties and water contact angle, and showed improved water resistance and mechanical properties. 18 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF KONJAC GLUCOMANNAN/TITANIUM DIOXIDE NANOCOMPOSITES** > Page Range: p.401-404 > Author(s): Dating Tian; Haiho Mao; Weibing Hu; Hong-Quan Xie > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100459&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.6 > > **Abstract** > Composites of a polysaccharide (konjac glucomannan) (KGM) and titanium dioxide were prepared by blending the filler with an aqueous solution of the KGM and casting the resulting materials onto a glass slide. Films were characterised using transmission electron microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy, and tensile measurements. Thermal stability and mechanical properties of composites were better than films of pure KGM, and spectral analysis revealed changes in the KGM molecular structure on filler addition. 25 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INFLUENCE OF CARBON NANOFIBER CONTENT AND SURFACE TREATMENT ON MECHANICAL PROPERTIES OF VINYL ESTER Page Range: p.405-413 Author(s): Plaseied A; Fatemi A; Coleman M R... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INFLUENCE OF CARBON NANOFIBER CONTENT AND SURFACE TREATMENT ON MECHANICAL PROPERTIES OF VINYL ESTER** > Page Range: p.405-413 > Author(s): Plaseied A; Fatemi A; Coleman M R > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100460&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > > > **Abstract** > The effects of surface treatments of carbon nanofibre and of the carbon nanofibre volume fraction on the mechanical properties of thermoset vinyl ester polymer nanocomposites were examined under tensile and flexural loadings. Highly graphitic carbon nanofibres with surface functional groups provided stronger composites compared with conventional composites as a result of better bonding between fibres and the polymer matrix. Addition of up to 1 wt% of functionalised carbon nanofibres gave a greater increase in mechanical properties compared with the addition of larger volume fraction of carbon nanofibres. Nanocomposites containing oxidised carbon fibres showed a similar stiffness to functionalised fibres at higher temperatures, but the ductility and tensile strength of the former were lower than those of the latter, possibly as a result of poor adhesion between the nanofibres and the matrix. 18 refs. > > > > --- > > > **Title: COMPARISON OF ALUMINIUM HYDROXIDE AND MAGNESIUM HYDROXIDE AS FLAME RETARDANTS IN SEBS-BASED COMPOSITES** > Page Range: p.415-422 > Author(s): Xiao W; Kibble K A > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100461&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > The flame retardancy and mechanical properties of composites consisting of blends of oil-filled styrene-ethylene/butylene-styrene block copolymer (SEBS) and polypropylene (PP) containing aluminium hydroxide (ATH) or magnesium hydroxide (MH) as flame-retardant fillers were examined. The limiting oxygen indices (LOIs) of the filled composites increased markedly with increasing ATH or MH content. The LOIs of the ATH system were higher than those of the corresponding MH-containing systems. When MH was introduced progressively into ATH-filled composites at a constant combined filler loading of 65 wt%, the LOI decreased only when MH/ATH ratio exceeded 40%. The tensile strength and elongation at break (EAB) of composites containing less than 50 wt% of filler decreased with increasing filler content; the EAB of composites filled with MH were slightly higher than those of composites containing ATH, but there was little difference in their tensile strengths. At filler loadings of more than greater than 50 wt%, the tensile strength levelled off, but the elongation was markedly reduced. For a combined filler loading of 65 wt%, the elongation at break increases from around 180 to 200% for a progressive increase in the MH/ATH ratio up to 40%, and there was a large increase in the EAB to around 300% when the MH ratio reached 55-60%; thereafter the EAB fell. ATH and MH were also shown to increase the thermal stability of the SEBS-based composites. 26 refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH ALUMINIUM HYDROXIDE** > Page Range: p.423-430 > Author(s): Kibble K A; Xiao W > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100462&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > The flame retardancy and mechanical properties of composites consisting of blends of oil-filled styrene-ethylene/butylene-styrene block copolymer (SEBS) and polypropylene (PP) containing aluminium hydroxide (ATH) or ATH treated with a silane coupling agent (m-ATH) as a flame-retardant filler were examined. A maleic anhydride-grafted SEBS (MA-SEBS) was used as a polymer modifier in some cases. The flame retardancy of the composites improved whereas their tensile strength and elongation at break (EAB) fell with increasing contents of ATH or m-ATH. When the oil-filled SEBS (O-SEBS) was partially replaced with MA-SEBS, the tensile strength of the composites increased but their EAB decreased. Simultaneous replacements of O-SEBS with MA-SEBS and of ATH with m-ATH improved the tensile strength of the composites significantly. Scanning electron microscopy studies showed that the bonding at the particle-matrix interface was improved by the addition of MA-SEBS. 22 refs. > > > > --- > > > **Title: TENSILE AND FLEXURAL PROPERTIES OF GLASS-FIBRE-REINFORCED CYANATE ESTER SYNTACTIC FOAMS** > Page Range: p.431-438 > Author(s): John B; Nair C P R; Ninan K N > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100463&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > Attempts were made to improve the tensile and flexural properties of cyanate ester syntactic foams by reinforcing them with glass fibres. The effects of the concentration and lengths of fibres on flexural and tensile properties of the composites were examined. When the length of fibre was fixed at 5 mm and the concentration of fibre was varied from 5 to 20 wt%, the tensile and flexural strength increased with fibre concentration up to a maximum at a fibre concentration of 16.6 wt%, and then decreased on further addition as a result of poor wetting of fibre by resin. When the fibre length was varied from 5 to 25 mm and the ratio of cyanate ester to microballoons to glass fibres was kept constant at 1:1:0.5 by weight, the optimal tensile and flexural properties were achieved at a fibre length of 20 mm. 26 refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES OF COST-EFFECTIVE POLYPROPYLENE COMPOSITES FILLED WITH RED-MUD PARTICLES** > Page Range: p.439-446 > Author(s): Akinci A; Akbulut H; Yilmaz F > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100464&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > The use of red mud, an industrial waste material, as a filler for isotactic polypropylene (iPP) was examined. The tensile strength, three-point flexural strength and hardness were measured for the unreinforced polymer and for composites containing 10, 20, 30, 40 or 50 wt% of red mud. Fractures surfaces after three-point flexural tests were examined by scanning electron microscopy. The tensile and flexural strength decreased and the hardness increased with increasing red mud. 32 refs. > > > > --- > > > **Title: INFLUENCE OF EPOXY NATURE ON THE PROPERTIES OF AN EPOXY-DIALLYLBISPHENOL A-BISMALEIMIDE MATRIX SYSTEM** > Page Range: p.447-455 > Author(s): Devi K A; Nair C P R; Sadhana R; Ninan K N > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100465&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > The effects were examined of variations in the structure of the epoxy resin on the thermal, physical, and mechanical properties of ternary blends of an epoxy resin, diallylbisphenol A, and bisphenol A bismaleimide (EPB). Three epoxy resin systems were examined: a novolac epoxy (E1), bisphenol A diglycidyl ether (E2), and tris(4-glycidyloxyphenyl)methane) (E3). The cure characteristics of the reactive blends were examined by means of IR spectroscopy, differential scanning calorimetry, and rheological analysis. The thermal stability of the blends in terms of the onset temperature for decomposition increased in the order EPB-E3, EPB-E1 and EPB-E2. The compressive, flexural, and interlaminar shear strength properties of glass composites based on the EPB matrices depended on the epoxy structure. The higher crosslink density of the trifunctional epoxy (E3) resulted in an improvement in the high-temperature properties of the system. The ternary system served as a very good adhesive, and its strength and retention at high temperature increased in proportion to the functionality of the resin. In general, the highest strength was obtained with systems containing the novolac epoxy. 12 refs. > > > > --- > > > **Title: VALIDATION OF THE FINITE ELEMENT METHOD APPLIED TO ISOTACTIC POLYPROPYLENE HOMOPOLYMERS** > Page Range: p.457-464 > Author(s): Martin J; Malon H; Castejon L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100466&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > The structural responses of impact-absorbing systems built from isotactic polypropylene and intended to improve the safety of motor cyclists in crashes with guardrails were examined experimentally by using a free-fall tower. The experimental results were used to validate calculations previously made by the finite-element method (FEM). The comparison validated the FEM method, as the difference between the empirical and numerical results was never more than 9.84%. 7 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERISATION OF EPOXY COMPOSITES FILLED WITH SILICA NANOPARTICLES** > Page Range: p.465-469 > Author(s): Cheng-Fang Ou; Ming-Chin Shiu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100467&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.7 > > **Abstract** > A series of epoxy-silica composites containing 0.5, 1, 3, 5 or 7 wt% of silica nanoparticles were prepared by solution blending. Differential scanning calorimetric studies showed that the glass-transition temperatures of the composites were higher than that of the pure epoxy, and that they increased with increasing silica content. The decomposition temperatures the composites were also higher than that of the pure epoxy, a maximum increase of 20.8 deg.C being achieved in the presence of 5 wt% of silica. The light transmittance of all the composites was more 80%. The permeability of the composites to water decreased with increasing silica content, and the decrease in permeability reached a maximum value of 56.3% at 7 wt% of silica. Scanning electron microscopy studies showed that fine particles of silica were dispersed without agglomeration in the epoxy matrix. 25 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: FUNCTIONAL POLYMER NANOCOMPOSITES Page Range: p.471-481 Author(s): Faupel F; Zaporojtchenko V; Strunskus T; Greve H; Schuermann U; Takele H; Hanisch C; Chakravadhanula V S K;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc16-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: FUNCTIONAL POLYMER NANOCOMPOSITES** > Page Range: p.471-481 > Author(s): Faupel F; Zaporojtchenko V; Strunskus T; Greve H; Schuermann U; Takele H; Hanisch C; Chakravadhanula V S K; Na Ni; Gerber A; Quandt E; Podschun R > File size: 474K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100668&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > > > **Abstract** > A review is presented on the preparation of metal-containing polymer nanocomposite films via evaporation and sputtering and the functional properties thereof. Examples of optical, high frequency magnetic and antibacterial nanocomposites are included and the use of the electrical properties near the percolation threshold for sensing organic vapours and for photoswitching via the incorporation of chromophores is demonstrated. 66 refs. > > > > --- > > > **Title: POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (POSS)-MODIFIED THERMOPLASTIC AND THERMOSETTING NANOCOMPOSITES: A REVIEW** > Page Range: p.483-500 > Author(s): Jianqing Zhao; Yi Fu; Shumei Liu > File size: 258K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100669&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > Investigations into the effects of POSS molecular geometry, composition and concentration on the physical and mechanical properties of POSS-modified thermoplastic and thermosetting nanocomposites are reviewed. Nanocomposites based on PE, PP, PVC, PS, PMMA, polycarbonate, PETP, poly-epsilon-caprolactone, polyamide-6, epoxy resins, polyimides, phenolic resins, PU and other polymers are covered. 117 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF POLYURETHANE/MULTIWALLED CARBON NANOTUBE COMPOSITES** > Page Range: p.501-507 > Author(s): Shuzhong Guo; Chao Zhang; Weizhi Wang; Tianxi Liu; Wuiwui Chauhari Tjiu; Chaobin He; Wei-De Zhang > File size: 334K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100670&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > Multiwalled carbon nanotube/PU nanocomposites were prepared by a combination of in-situ polymerisation and solvent casting and the morphologies of the nanotubes and nanocomposites and dispersion of nanotubes in the PU matrix investigated by TEM and field emission scanning electron microscopy. The thermomechanical properties, heat stability and tensile properties of the nanocomposites were also investigated and compared with those of neat polyurethane. Nanocomposites with significantly enhanced Young's modulus, stress at break and elongation at break and a strong interfacial adhesion between the nanotubes and matrix were obtained. 32 refs. > > > > --- > > > **Title: THE STUDY ON THE MICROSTRUCTURES AND HIGH PERFORMANCES OF MELT BLENDING POLYURETHANE/MULTI-WALLED CARBON NANOTUBES COMPOSITES** > Page Range: p.509-518 > Author(s): Fengdan Jiang; Sizhu Wu; Yongji Wei; Liqun Zhang; Guohua Hu > File size: 358K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100671&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > Nanocomposites based on thermoplastic PU and up to 40 phr of unmodified, multiwalled carbon nanotubes were prepared by a simple melt blending process. The morphological, structural and mechanical properties of the nanocomposites were investigated by scanning electron microscopy, TEM, DSC, X-ray diffraction, DMTA and tensile testing. The thermal and electrical conductivities of the nanocomposites were also investigated and the influence of the nanotubes on nanocomposite properties evaluated. 45 refs. > > > > --- > > > **Title: POLYCARBONATE-CARBON NANOFIBERS COMPOSITES: AN ELECTRON SPIN RESONANCE STUDY** > Page Range: p.519-526 > Author(s): Chipara M; Brittain W J; Kin-Tak Lau; Chipara M D > File size: 305K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100672&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > Polycarbonate was loaded with from 0 to 10% of carbon nanofibres and the resulting nanocomposites studied by ESR spectroscopy. A complex resonance spectrum was recorded and assigned to the convolution of resonance lines originating from the conducting electrons delocalised over the metallic domains of the nanotubes, free radicals generated during polymer processing and catalyst traces. A qualitative correlation between the dependence of the ESR line width on loading with carbon nanofibres and the dependence of DC electrical conductivity on loading with carbon nanofibres was observed and considered of use for assessing the conductivity of the nanocomposites. 39 refs. > > > > --- > > > **Title: TAILORING THE MECHANICAL PERFORMANCE OF EPOXY RESIN BY VARIOUS NANOPARTICLES** > Page Range: p.527-533 > Author(s): Sheng Liu; Hui Zhang; Zhong Zhang; Taihua Zhang; Sprenger S > File size: 539K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100673&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > Flexible organic elastomeric nanoparticles and two kinds of rigid inorganic silica nanoparticles were dispersed into a Bisphenol A epoxy resin by mechanical mixing or the in-situ sol-gel technique. The morphological properties of the nanocomposites were characterised by TEM and scanning electron microscopy and the tensile properties and fracture toughness of the nanocomposites determined. It was found that the elastomeric nanoparticles significantly enhanced the toughness of the resin and rigid silica nanoparticles improved Young's modulus, tensile strength and fracture toughness simultaneously. Both fumed and sol-gel-formed nanosilica particles reinforced the epoxy resin and the nanosilica particles dispersed almost perfectly in the epoxy matrix. 17 refs. > > > > --- > > > **Title: EFFECT OF CLAY MODIFICATION ON PHOTO-OXIDATION OF POLYETHYLENE/CLAY NANOCOMPOSITES** > Page Range: p.535-546 > Author(s): Zhongzhong Qian; Shimin Zhang; Mingshu Yang > File size: 481K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100674&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > Low density PE/nanocomposites were prepared using various modified clays, including silane grafted, ammonium intercalated and silane grafted and ammonium intercalated clays, and the effect of clay modification on the photooxidation of the nanocomposites exposed to UV light investigated by means of IR spectroscopy. The effect of photooxidation behaviour on the crystallisation and morphology of the nanocomposites was also investigated by DSC and scanning electron microscopy and the influence of dispersion and orientation structure on the clays in the polymer matrix assessed. 39 refs. > > > > --- > > > **Title: ORGANOPHILIC LAYERED SILICATE MODIFIED VINYLESTER-URETHANE HYBRID RESINS: STRUCTURE AND PROPERTIES** > Page Range: p.547-554 > Author(s): Corobea M-C; Donescu D; Grishchuk S; Castella N; Apostolov A A; Karger-Kocsis J > File size: 398K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100675&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > A commercial vinyl ester-urethane resin was modified with various amounts of organophilic layered silicates and the effects of the organophilic layered silicates, including their modifiers, on the structure and properties of the resulting nanocomposites investigated. Organophilic intercalants employed were trimethyl dodecylamine and octadecylamine-N,N-bis(allyl(2-hydroxypropyl)ether). The results are discussed in terms of organophilic layered silicate intercalation, DMTA behaviour, fracture mechanics, failure behaviour, water absorption and diffusion coefficients. 14 refs. > > > > --- > > > **Title: NEW EQUIPMENT AND APPROACHES FOR FABRICATION OF UNIFORMLY-DISPERSED NANOCLAY CLUSTER/EPOXY COMPOSITES** > Page Range: p.555-560 > Author(s): Mo-Lin Chan; Kin-Tak Lau; Mei-Po Ho; Cheng A; Tsun-Tat Wong > File size: 186K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100676&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > A novel experimental set-up for mixing nanoclay and epoxy resin together to form uniformly-dispersed nanosized nanoclay cluster/epoxy composites is described and conditions (spinning, cure time and temperature) established for producing composites containing 5 wt.% of nanoclay with enhanced microhardness. 7 refs. > > > > --- > > > **Title: MODELING THE EFFECT OF STRAIN RATE ON THE MECHANICAL PROPERTIES OF HDPE/CLAY NANOCOMPOSITE FOAMS** > Page Range: p.561-575 > Author(s): Choonghee Jo; Naguib H E > File size: 808K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100677&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 16 > Issue No: No.8 > > **Abstract** > An investigation was carried out into the effects of strain rate and crystallinity on the mechanical properties of HDPE/clay nanocomposite microcellular foams fabricated by a batch foaming process. Intercalated clay structures in the nanocomposites were studied by TEM and crystallinity determined by differential scanning calorimetry. Foam morphology was characterised by scanning electron microscopy and mechanical properties determined by uniaxial tensile testing. A constitutive model, which considers the combined effects of strain rate and crystallinity on the tensile behaviour of the foams, was derived and validated experimentally. 52 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THE EFFECT OF CERTAIN MORPHOLOGICAL FEATURES ON THE PERMEABILITY OF CLUSTERED FIBROUS MEDIA Page Range: p.1-12 Author(s): Papathanasiou T D; Chen X File size: 684K... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THE EFFECT OF CERTAIN MORPHOLOGICAL FEATURES ON THE PERMEABILITY OF CLUSTERED FIBROUS MEDIA** > Page Range: p.1-12 > Author(s): Papathanasiou T D; Chen X > File size: 684K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100723&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > > > **Abstract** > Numerical results are presented for boundary element simulations of creeping flow through model fibrous media composed of parallel fibre bundles. Starting from ordered arrays of fibre bundles, several types of microstructural variations, namely variations in the horizontal and vertical spacing of the bundles and changes in the sharpness of the bundle perimeter, are introduced and their effect on permeability is examined and quantified. The latter is achieved using a new parameter, called "measure of deviation", which is derived from Ripley's second order intensity function. It is shown that deviations from regular arrays cause substantial scatter in the corresponding permeability values. 26 refs. > > > > --- > > > **Title: STUDY ON MORPHOLOGY AND STRUCTURE OF DYNAMICALLY CURED PP/MAH-G-POE/EPOXY BLENDS** > Page Range: p.13-19 > Author(s): Xueliang Jiang; Aijun Zhou; Jun Yuan > File size: 235K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100724&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > Dynamically cured PP/maleic anhydride-grafted ethylene-octene copolymer/epoxy blends were prepared by dynamic curing of the epoxy resin in the PP/maleic anhydride-grafted ethylene-octene copolymer. The morphology, mechanical properties, rheological properties and heat stability of the blends were investigated by scanning electron microscopy, tensile, impact and flexural testing, capillary rheometry and thermogravimetry. The effects of maleic anhydride-grafted ethylene-octene copolymer and epoxy resin contents on the mechanical properties of the blends were examined and the roles of the cured epoxy resin as filler and maleic anhydride-grafted ethylene-octene copolymer as compatibiliser considered. 21 refs. > > > > --- > > > **Title: QUASI-STATIC PERFORATION STUDY USING A SHARP-TIP CONICAL INDENTER ON GRP PLATES CONTAINING SAND FILLER** > Page Range: p.21-30 > Author(s): Sabet A R; Beheshty M H; Rahimi H > File size: 430K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100725&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > The penetration and perforation performance of E-glass fibre-reinforced unsaturated polyester plates containing 20% of sand as a filler was investigated by means of quasi-static indentation testing using a sharp-tip (30 degree) indentor. The filler had particle sizes of 75 and 600 micrometers and the composite plates were subjected to perforation tests at 5 and 500 mm/min loading rates. Low-velocity impact performance of the composite plates was assessed from load-displacement behaviour during penetration and perforation. It was found that the coarse-sized filler acted as secondary reinforcement in terms of higher energy absorption and the major damage modes were fibre and matrix fracture followed by delamination. 31 refs. > > > > --- > > > **Title: CONCENTRATION DEPENDENCE OF CRYSTALLINE POLY(L-LACTIDE) PREPARED BY FREEZE-DRYING SOLUTIONS** > Page Range: p.31-35 > Author(s): Hao Hong; Liu Rongjie; Zhao Yaling > File size: 155K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100726&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > Poly(L-lactide) was freeze dried from p-xylene solutions of varying concentrations and the molecular conformation and thermal properties of the freeze-dried poly(L-lactide) investigated by DSC and X-ray diffraction. It was found that the molecular conformation of the polymer in solution changed with solvent and temperature and that samples produced from dilute solution exhibited higher non-isothermal crystallisation temperatures and faster crystallisation rates. A critical concentration corresponding to De Gennes critical overlap concentration was detected and polymer chains were isolated from each other in solutions below the critical concentration, resulting in accelerated melt crystallisation of recovered samples. 14 refs. > > > > --- > > > **Title: A STUDY OF THE ELECTROSPINNING OF AN H"2O-ACETONE-PCL TERNARY SYSTEM** > Page Range: p.37-40 > Author(s): Li Xiaoqiang; Su Yan; He Chuanglong; Wang Hongsheng; Mo Xiumei > File size: 177K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100727&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > A ternary system consisting of water, acetone and poly-epsilon-caprolactone was electrospun and the morphology of the nanofibres produced characterised by optical microscopy. Cloud point data were obtained by titration and a phase diagram for the ternary system constructed from the cloud point data. Bead-like nano/microfibres were obtained for potential use as cell growth scaffolds with possible controllable drug release capability. 7 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF A FRAGRANT ACRYLONITRILE-BUTADIENE-STYRENE/POLYCARBONATE ALLOY** > Page Range: p.41-45 > Author(s): Xiaolin Liu; Yajiang Huang; Qi Yang; Zhiqiang Jiang; Decai Feng > File size: 206K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100728&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > Two different fragrant essences (jasmine and sandalwood) were incorporated into an ABS/polycarbonate blend and the effect of the essences and essence content on the fragrant properties, mechanical properties and microstructure of the blends investigated. Volatility and mechanical tests, melt flow index measurement and scanning electron microscopy revealed that the essences not only endowed the blend with fragrance but also acted as lubricants and surface treatment agents during processing. It was established that the dosage of fragrant masterbatch needed to be kept under 5 phr to obtain the best combination of properties and that fragrance could be maintained for a long time at room temperature. 10 refs. > > > > --- > > > **Title: ELECTROSPINNING AND CHARACTERISATION OF POLY(VINYL ALCOHOL) BLEND SUBMICRON FIBRES IN AQUEOUS SOLUTIONS** > Page Range: p.47-54 > Author(s): Hyun Woo Lee; Mohammad Rezaul Karim; Jae Hyeung Park; Do Gyu Bae; Weontae Oh; In Woo Cheong; Jeong Hyun Yeum > File size: 635K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100729&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > Ultrafine PVAl blend submicron fibres were produced by electrospinning PVAls with number-average degrees of polymerisation of 1700 and 4000 from an aqueous solution containing from 5 to 10% of polymer. The morphology and physical properties, such as tensile strength and melting temperature, of the fibres were investigated by scanning electron microscopy, DSC, X-ray diffraction and thermogravimetry. The effects of PVAl blend mass ratio and concentration and processing parameters, such as applied voltage, and capillary-to-collector distance, on fibre production were evaluated and potential applications, including medical applications, packaging, cosmetics and pharmaceutical applications considered. 23 refs. > > > > --- > > > **Title: DYNAMIC MECHANICAL BEHAVIOUR OF BANANA-PSEUDOSTEM-FILLED UNPLASTICISED POLYVINYL CHLORIDE COMPOSITES** > Page Range: p.55-61 > Author(s): Zainudin E S; Sapuan S M; Abdan K; Mohamad M T M > File size: 220K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100730&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.1 > > **Abstract** > The dynamic mechanical properties of unplasticised PVC and composites thereof with banana pseudostem fibres were investigated as a function of filler loading and temperature (from 30 to 140 degrees C). Composites containing banana pseudostem fibres and acrylic FM50 (PMMA) were also studied. The results are discussed in terms of storage modulus, tan delta, Tg, damping behaviour, segmental mobility and interfacial interaction. 12 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: OPTICAL TRANSPARENCY CHANGE METHOD FOR CURE MONITORING OF GFRPs Page Range: p.63-71 Author(s): Akira Todoroki; Norihiko Hana File size: 261K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: OPTICAL TRANSPARENCY CHANGE METHOD FOR CURE MONITORING OF GFRPs** > Page Range: p.63-71 > Author(s): Akira Todoroki; Norihiko Hana > File size: 261K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100802&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > > > **Abstract** > The resin transfer molding(RTM) process is becoming popular for low-cost fabrication of complex commercial products made from GRP. As regards the RTM process for complex components, the optimal fabrication process is found by repeated trial and error. This process is time-consuming and one of the reasons for the high cost of composite products. To overcome this problem, it is useful to monitor the degree of cure of target GRP products. In this study, the luminance change method was used for cure monitoring of polyester-based GRP composites. Polyester resin usually changes its optical transparency during the curing process, which enabled the degree of cure to be monitored by measuring the luminance change of light or reflected light. A system that measured reflected light was developed. The sensing system employed a light-emitting diode as the light source and a photodiode as a light power sensor. This low-cost cure monitoring system was applied to the monitoring of the degree of cure in GRPs and was achieved using commercially-available dielectric sensors. Results were compared with the results of luminance change. The effectiveness of this method was confirmed experimentally. 10 refs. > > > > --- > > > **Title: NUMERICAL SIMULATION BASED PROCESS WINDOW FOR CONSOLIDATION OF THERMOSET COMPOSITE LAMINATES** > Page Range: p.73-82 > Author(s): Min Li; Yizhuo Gu; Yanxia Li; Zuoguang Zhang > File size: 482K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100803&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > Laminate consolidation is very important for continuous fibre-reinforced thermoset resin matrix composites and the degree of consolidation depends on resin rheological behaviour and processing conditions. This study focused on the rheological characteristics of two types of epoxy resins (low temperature- and high temperature-curing) and a bismaleimide resin and developed an evaluating method based on numerical simulation, providing guidelines to ensure consolidation. The rheological characteristics under isothermal conditions were examined and the determination of gel point using viscosity increment rate was adopted. The autoclave process for T700S carbon fibre composite laminates was simulated numerically and the effects of cure cycle, number of plies and lay-up type of fibre bed on consolidation were analysed. A process window was constructed to achieve the required degree of consolidation by adjusting the external pressure and the time of applying external pressure. The results showed that the quantitative impacts of processing conditions on consolidation and the feasibility of processing operations could be obtained from the established process window. 25 refs. > > > > --- > > > **Title: MICROENCAPSULATION OF HYDROPHILIC SOLID POWDER AS A FIRE RETARDANT BY THE METHOD OF IN SITU GELATION IN DROPLETS USING A NON-AQUEOUS SOLVENT AS THE CONTINUOUS PHASE** > Page Range: p.83-90 > Author(s): Masanori Takahashi; Yoshinari Taguchi; Masato Tanaka > File size: 521K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100804&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > Hydrophilic, solid, powdery diammonium bitetrazole(BHT.2NH"3) as a fire retardant was microencapsulated with bisphenol-A epoxy resin by the method of in-situ gelation in droplets to give water resistance. In this method, a non-aqueous solvent was adopted as the continuous phase instead of water to prevent the hydrophilic core material from leaking out. In the experiment, it was mainly the agitation speeds during preparation of droplets containing BHT.2NH"3 and during the microencapsulation process, the gelation temperature, and the oil-soluble surfactant species that were varied. The content of core material could be increased by using a non-aqueous solvent instead of the water phase. The content of core material increased with gelation temperature and independently of the agitation speeds during first droplet preparation and during the microencapsulating process. The leakage ratio increased with agitation speeds and decreased considerably with gelation temperature. 10 refs. > > > > --- > > > **Title: A STUDY OF PU/MMT NANOCOMPOSITES** > Page Range: p.91-96 > Author(s): Min Qiao; Qianping Ran; Shishan Wu; Jian Shen > File size: 186K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100805&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > The polyurethane(PU)/montmorillonite(MMT) composite prepared by in-situ polymerisation was a type of intercalated nanocomposite. The silicate platelets were dispersed in the PU matrix on the nanoscale. The DMF suspension containing the PU/MMT nanocomposite was stable for a long time, and the silicate platelets did not subside. With increasing content of silicate, the tensile and tear strength of the PU/MMT nanocomposite increased, but the rate of increase diminished. Compared with that of pure PU, the temperature of initial weight loss of the PU/MMT nanocomposite in the first step decreased because of the acid catalytic action of the protonated silicate platelets, but the temperature of initial weight loss in the second step increased due to the barrier effect of the silicate platelets and the strong interfacial interaction between silicate platelets and the molecular chains of PU. 27 refs. > > > > --- > > > **Title: STRUCTURE AND PROPERTIES OF PVA/SiO"2 INTERPENETRATING POLYMER NETWORK MATERIALS PREPARED BY THE SOL-GEL METHOD** > Page Range: p.97-100 > Author(s): Feng-Yu Quan; Li-Li Chen; Yan-Zhi Xia; Quan Ji > File size: 167K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100806&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > Organic-inorganic interpenetrating polymer network(IPN) materials were prepared by hydrolysis and condensation of tetraethoxysilane(TEOS) in PVAl solution. The structure and morphology of the IPNs were investigated by FTIR spectroscopy and TEM. The thermal properties were examined by TGA and DSC. FTIR spectroscopy showed the formation of Si-O-C and Si-O-Si bonds in the system. TEM demonstrated a homogeneous dispersion of silica in the PVAl matrix when the amount of TEOS added was appropriate. DSC and TGA revealed that, compared with pure PVAl films, the hybrid films exhibited a higher Tg and high thermal stability. 17 refs. > > > > --- > > > **Title: EVALUATION OF THE MORPHOLOGY AND PERFORMANCE OF POLYETHER SULFONE REVERSE OSMOSIS COMPOSITE AND NON-COMPOSITE MEMBRANES** > Page Range: p.101-108 > Author(s): Madaeni S S; Barzin J; Jokar Z > File size: 305K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100807&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > Reverse osmosis membranes were prepared by the phase inversion technique using polyether sulphone(PES) dissolved in DMAc with and without the addition of polyvinylpyrrolidone(PVP). The effects of the composition of the casting solution on membrane morphology and performance were investigated on the basis of ion removal from treated water. The membrane prepared from 22 wt % PES demonstrated the best ion rejection. Higher flux was accessible by changing the polymer solution composition to 16 wt % PES and 2.5 wt % PVP. For preparation of polyamide composite membranes, the interfacial polymerisation technique was employed. In this procedure, hexamethylenediamine and sebacyl chloride were reacted with each other on the surface of a membrane support. Synthesis conditions, such as the concentration of monomers and the reaction time, significantly affected the performance of the composite membranes. The permeation rate and ion rejection capability of composite polyamide membranes were 40-80 (L/m^2 h) and 28-30% respectively with the initial feed conditions of 400 psi and 25 deg C. 34 refs. > > > > --- > > > **Title: EFFECT OF SWELLING PROCESS ON MONODISPERSITY OF POROUS POLYSTYRENE-DIVINYLBENZENE MICROSPHERES PREPARED BY TWO-STEP SWELLING POLYMERIZATION METHODS** > Page Range: p.109-116 > Author(s): Xiaoyan Liao; Jiang Cheng; Lu Li; Pihui Pi; Xiufang Wen; Zhuoru Yang > File size: 472K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100808&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > Porous polystyrene-divinylbenzene(PS-DVB) microspheres of narrow size distribution in the size range of 3.9-4.4 micrometres were prepared by two-step swelling polymerisation methods. The effects of swelling conditions such as swelling activator, temperature, the dispersion method and dibutyl phthalate(DBP)/seed particle ratio on particle size distribution of the PS-DVB microspheres were investigated in detail. Optimal swelling conditions for the preparation of uniformly sized PS particles were shown to be use of DBP as swelling activation agent, swelling temperature 35 deg C, dispersion by ultrasonic-assisted magnetic dispersion, and DBP/seed particle ratio 1-1.5 ml.g^-^1. It was found that particle size distribution became narrower and swelling time was shortened from more than 24 h to 10 h with the introduction of ultrasonic dispersion, which was attributed to the cavitation effect of ultrasonics and the significant magnetic field action arising therefrom, speeding up the equilibrium of swelling process. Swelling temperature also had a significant effect on the monodispersity and particles with the best uniformity could be achieved with the temperature at 35 deg C. The possible reason was that the process of seed particles absorbing swelling agent through water phase was an equilibrium course of thermodynamics and kinetics. 20 refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE** > Page Range: p.117-125 > Author(s): Wang-Dong Xiao; Kibble K A; Feng Lin > File size: 307K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100809&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.2 > > **Abstract** > The flame-retardancy and mechanical properties of styrene-ethylene/butylene-styrene block copolymer(SEBS)-based composites, containing SEBS blended with a paraffinic hydrocarbon extender oil, propylene copolymer and magnesium hydroxide(MH) or silane coupling agent surface-treated magnesium hydroxide(m-MH), were investigated. A maleic anhydride-grafted SEBS(MA-SEBS) was used as a polymer modifier for some composites. As the amount of MH or m-MH increased, the flame-retardancy of composites improved, while the TS and EB decreased, and the melt flow property of the composites became poorer. When the oil-filled SEBS(O-SEBS) was partially replaced by MA-SEBS, the TS of the composites increased and EB decreased. Furthermore, replacement of O-SEBS with MA-SEBS and treating MH with silane coupling agent (simultaneously) improved the TS of the composites by a large margin. The phase structure of the composites was characterised using SEM and this revealed that the particle-matrix interfacial bonding was improved through the addition of MA-SEBS. The stability of the composites was investigated by TGA. 21 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE) WEB BY ELECTROSPINNING Page Range: p.127-132 Author(s): Kim H S; Lee K B; Lyoo W S File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE) WEB BY ELECTROSPINNING** > Page Range: p.127-132 > Author(s): Kim H S; Lee K B; Lyoo W S > File size: 320K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100819&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > > > **Abstract** > The preparation of high molecular weight poly(N-vinyl carbazole) webs by electrospinning under various processing conditions from solutions of the polymer in chloroform, and their characterisation by electrical conductivity and morphology (SEM), is described. The effects of solution concentration, applied voltage and tip-to-collector distance on the spinnability, shape, and diameter and uniformity of the fibres in the web were investigated and the results are discussed. 24 refs. > > > > --- > > > **Title: THERMAL CHARACTERISATION OF SHORT NYLON-6 FIBRE-REINFORCED NBR COMPOSITES** > Page Range: p.133-140 > Author(s): Rajesh C; Manoj K C; Unnikrishnan G; Purushothaman E > File size: 171K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100820&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > The thermal properties of composites of acrylonitrile-butadiene rubber (NBR) reinforced with various proportions of short nylon-6 fibres and cured with dicumyl peroxide or sulphur systems were investigated by TG and DSC, and the resulting degradation temperatures, temperature-dependent weight loss, and glass transition temperatures were compared with those for NBR itself. The effects of the addition of hexamethylene tetramine/resorcinol or phthalic anhydride as bonding agents on thermal stability of the composites were investigated, and the results are discussed. 23 refs. > > > > --- > > > **Title: BISMALEIMIDE MODIFIED EPOXY-DIALLYLBISPHENOL SYSTEM – EFFECT OF BISMALEIMIDE NATURE ON PROPERTIES** > Page Range: p.141-149 > Author(s): Devi K A; Nair C P R; Ninan K N > File size: 215K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100821&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > The properties of ternary blends of novolac epoxy resin, diallyl bisphenol A, and three different types of bismaleimides (BMIs), namely 2,2-bis-4-(4-maleimidophenoxy)phenylpropane, bis(4-maleimidophenyl)methane and bis(4-maleimidophenyl)ether, were investigated after curing by FTIR, TGA, DSC and adhesive properties. The effects of BMI type on the properties of laminates of the ternary blends with glass fabric were investigated by flexural strength, compressive strength, interlaminar shear strength and interfacial shear strength measurements, thermal and physical properties, such as linear expansion, density, resin content, void content and water absorption, and the results are discussed. 10 refs. > > > > --- > > > **Title: PROCESSING AND PERFORMANCE EVALUATION OF NANOCLAY INFUSED EPON 828** > Page Range: p.151-159 > Author(s): Hosur M V; Gebremedhin O; Jeelani S > File size: 453K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100822&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > The preparation of nanocomposites of epoxy resin infused with various proportions of a commercially available surface modified montmorillonite nanoclay as filler, and their characterisation by DMA, quasi-static compression testing, tensile testing, flexural testing, high strain rate compression using the split Hopkinson pressure bar, and SEM analysis of fracture surfaces, is described. The effects of filler content on mechanical and thermomechanical properties of the nanocomposites are discussed in terms of phase morphology and interfacial interactions. 12 refs. > > > > --- > > > **Title: EFFECTIVE SURFACE DEFORMATION HEIGHT AND BOND RIGIDITY OF GFRP REINFORCING BARS WITH RIBS** > Page Range: p.161-171 > Author(s): Moon D Y; Ebead U A; Benmokrane B > File size: 426K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100823&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > Evaluation of the bond behaviour of glass fibre-reinforced epoxy resin (GFRP) reinforcing bars with ribs was investigated experimentally by pull-out tests on the rebars embedded in concrete to determine an accurate bond stress-slip law and to determine failure mode by SEM analysis of the pulled-out GFRP rebars at failure. The experimental data are compared with the results of finite element simulations of specimens subject to pull-out tests and the results are discussed in terms of the effective surface deformation height and bond rigidity of the GFRP rebars. 13 refs. > > > > --- > > > **Title: PREPARATION OF NATURAL RUBBER/CASSAVA STARCH/ORGANO-MONTMORILLONITE BIODEGRADABLE NANOCOMPOSITE ELASTOMERS** > Page Range: p.173-179 > Author(s): Chuayjuljit S; Wiriyasoonthorn S; Jiratumnukul N; Limpanart S > File size: 362K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100824&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > The preparation of biodegradable nanocomposite elastomers from natural rubber latex with various proportions of cassava starch and organically-modified montmorillonite (OMMT) clay, and their characterisation after curing by XRD, TEM, tensile testing, water absorption and soil burial tests, is described. The results are discussed in terms of the effects of starch and OMMT contents on structure, tensile properties, water sorption, biodegradability and morphology of the nanocomposites. 27 refs. > > > > --- > > > **Title: POLYCARBONATE/POLYAMIDE 6/NANOCLAY TERNARY NANOCOMPOSITE MEMBRANES: PREPARATION, CHARACTERISATION, AND GAS SEPARATION PROPERTIES** > Page Range: p.181-187 > Author(s): Gholizadeh B; Arefazar A; Barzin J > File size: 395K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100825&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > The fabrication of polymer ternary nanocomposite membranes by the solution casting technique using a blend of polycarbonate as matrix phase with various proportions of polyamide-6 as dispersed phase and a commercial nanoclay as filler, and their characterisation by SEM (cross-sectional morphology), AFM (surface roughness) and XRD (dispersion), is described. The permeability of the membranes was calculated using theoretical models, and the effects of blend composition on permeability are discussed in terms of surface roughness, free volume and porosity. 40 refs. > > > > --- > > > **Title: SYNTHESIS, CHARACTERISATION AND ANALYSIS OF HIBISCUS SABDARIFFA FIBRE REINFORCED POLYMER MATRIX BASED COMPOSITES** > Page Range: p.189-194 > Author(s): Singha A S; Thakur V K > File size: 255K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100826&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.3 > > **Abstract** > The synthesis of composites of phenol-formaldehyde resin reinforced with various proportions of the natural fibre derived from Hibiscus Sabdariffa, and their characterisation by tensile strength, compressive strength, flexural strength, wear testing, stress-strain properties, morphology (SEM) and thermal analysis (TGA/DTA), is described. The effects of fibre content and resin composition on mechanical properties of the composites were investigated and the results are discussed. 17 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PREPARATION OF TiO2/POLYACRYLIC ACID AND APPLICATION IN PHOTOCATALYTIC DEGRADATION OF METHYL ORANGE Page Range: p.195-203 Author(s): Luo S; Zhu H; Wang F; Xin F; Yin... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PREPARATION OF TiO2/POLYACRYLIC ACID AND APPLICATION IN PHOTOCATALYTIC DEGRADATION OF METHYL ORANGE** > Page Range: p.195-203 > Author(s): Luo S; Zhu H; Wang F; Xin F; Yin X > File size: 311K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100844&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.4 > > > > **Abstract** > The synthesis of nanocomposites of poly(acrylic acid) with various proportions of titanium dioxide nanoparticles by aqueous solution polymerisation of acrylic acid and potassium acrylate in the presence of N,N'-methylene bisacrylamide as crosslinking agent, potassium persulphate as initiator and the nanoparticles, is described. The products were characterised by SEM, XRD, FTIR and UV-visible spectroscopy, and the effects of reaction conditions including titanium dioxide content, crosslinker amount, degree of neutralisation and monomer concentration on catalytic efficiency in the photocatalytic degradation of methyl orange were investigated. 24 refs. > > > > --- > > > **Title: PRESENT STATUS AND KEY CHALLENGES OF CARBON NANOTUBES REINFORCED POLYOLEFINS: A REVIEW ON NANOCOMPOSITES MANUFACTURING AND PERFORMANCE ISSUES** > Page Range: p.205-245 > Author(s): Prashantha K; Soulestin J; Lacrampe M F; Krawczak P > File size: 806K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100845&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.4 > > **Abstract** > A comprehensive review of the preparation, compounding, properties and applications of nanocomposites of polyolefins reinforced with carbon nanotubes is presented. The processing, dispersion and orientation of nanotubes, as well as the characterisation of the physical and mechanical properties of carbon nanotube-filled polyolefins are discussed, and the scientific principles and mechanisms relating to methods of manufacturing are highlighted, with an outlook towards commercial applications. 300 refs. > > > > --- > > > **Title: TEMPERATURE DEPENDENT MECHANICAL CHARACTERISATION OF STYRENE-ACRYLONITRILE** > Page Range: p.247-252 > Author(s): Solakoglu I; Ataoglu S; Gulluoglu A N; Kadioglu N > File size: 216K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100846&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.4 > > **Abstract** > The temperature dependent mechanical properties of cast sheets of poly(styrene-co-acrylonitrile) (SAN), a random amorphous linear copolymer, were investigated experimentally by DSC (glass transition temperature), creep, tensile and microhardness testing at different temperatures and different loadings. The creep response of SAN was also evaluated and the steady-state strain rate dependence on temperature and stress level is discussed in terms of a power law expression. 14 refs. > > > > --- > > > **Title: FLEXURAL CHARACTERISTICS OF CONCRETE BEAMS REINFORCED WITH A NEW TYPE OF GFRP BAR** > Page Range: p.253-264 > Author(s): Oh H; Moon D Y; Zi G > File size: 789K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100847&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.4 > > **Abstract** > The fabrication of a new type of E-glass fibre-reinforced epoxy resin (GFRP) rebar by a combination of pultrusion and press moulding to produce surface deformations similar to those of steel rebars, and their characterisation by SEM, tensile strength and elastic modulus measurements, is described. The flexural properties of concrete beams reinforced with the new rebar with various reinforcement ratios and depths of concrete cover were investigated by monotonic loading up to failure and the results are discussed in comparison with those obtained for concrete beams reinforced with commercial GFRP rebars in terms of failure mode, moment-curvature, flexural capacity, load-deflection and crack width. 19 refs. > > > > --- > > > **Title: DEGRADATION OF POLYPROPYLENE AND POLYPROP/STARCH BLENDS** > Page Range: p.265-272 > Author(s): Meligi G A; El-Rehim H A A; Hegazy E; Ali A M; Rabie A M > File size: 232K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100848&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.4 > > **Abstract** > The photodegradation of blends of starch and isotactic polypropylene (iPP) under natural and artificial UV irradiation were investigated by tensile strength, elongation, FTIR, TGA, DSC and XRD measurements as a function of irradiation time. The results are discussed in terms of the reduction in mechanical properties and molecular weight of iPP, and of biodegradation of waste iPP. 23 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INFLUENCE OF FILLERS IN STIFFENER CORE AND STRUCTURAL PARAMETERS ON COMPACTION OF T-STIFFENED SKINS IN AUTOCLAVE PROCESS Page Range: p.273-280 Author(s): Min Li; Xueming Wang;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INFLUENCE OF FILLERS IN STIFFENER CORE AND STRUCTURAL PARAMETERS ON COMPACTION OF T-STIFFENED SKINS IN AUTOCLAVE PROCESS** > Page Range: p.273-280 > Author(s): Min Li; Xueming Wang; Fuyuan Xie; Zuoguang Zhang > File size: 414K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100875&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > > > **Abstract** > T-stiffened skins were fabricated from carbon fibre/bismaleimide unidirectional prepregs by integral moulding and co-bonding in an autoclave and the effect of filler content and structural parameters (curvature and ply sequence) on the compaction of the skins investigated. Measurements of final laminate thickness of the T-stiffeners after cure and observation of defects located in the intersection between stiffeners and skins allowed conclusions to be made about the effect of fillers and structural parameters on compaction of the skins. 20 refs. > > > > --- > > > **Title: BLENDING TECHNIQUES AFFECTING MECHANICAL AND MORPHOLOGICAL PROPERTIES BY FLY ASH/LDPE AND CACO"3/LDPE COMPOSITES** > Page Range: p.281-290 > Author(s): Chaochanchaikul K; Kositchaiyong A; Sombatsompop N > File size: 495K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100876&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > **Abstract** > The effects of dry blending by high-speed mixing and melt blending in an extruder on the mechanical and morphological properties of LDPE composites filled with calcium carbonate or fly ash were investigated. Mechanical properties were assessed through their tensile, flexural, impact and hardness properties. Dispersion of filler and interfacial filler-polymer adhesion were studied by scanning electron microscopy and the crystallinity level of LDPE in the composites analysed by X-ray diffraction. 22 refs. > > > > --- > > > **Title: AN INVESTIGATION OF THE FLAMMABILITY, MORPHOLOGY AND TORQUE RHEOLOGY OF POLY(VINYL CHLORIDE) WITH SILANES AND CU"2+ MODIFIED MONTMORILLONITES** > Page Range: p.291-301 > Author(s): Bin Li; Zhihua Yang > File size: 288K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100877&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > **Abstract** > Sodium montmorillonites were treated with silane coupling agents and copper(II) sulphate and PVC composites fabricated therefrom in a twin-screw extruder. The microstructures of the modified montmorillonites and composites were characterised by X-ray diffraction and scanning electron microscopy and the flammability, morphology, rheology and mechanical properties of the composites investigated by various techniques, including the cone calorimeter method, TGA, torque rheometry and tensile, flexural and impact testing. 29 refs. > > > > --- > > > **Title: THE INFLUENCE OF THROUGH-THE-THICKNESS BINDER YARN COUNT ON FIBRE VOLUME FRACTION, CRIMP AND DAMAGE TOLERANCE WITHIN 3D WOVEN CARBON FIBRE COMPOSITES** > Page Range: p.303-312 > Author(s): King R S; Stewart G; McIlhagger A T; Quinn J P > File size: 482K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100878&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > **Abstract** > The influence of through-the-thickness binder yarn count on fibre volume fraction, crimp and damage tolerance within three-dimensional woven carbon fibre composites was investigated. Fabrics were woven with varying binder yarn counts and subjected to dry fabric compression testing and compression after impact testing. It was found that a power law could be used to predict fibre volume fraction and identify the required pressure to achieve a specific volume fraction and that impact depth was significantly influenced by impact location on the through-the-thickness binders. 17 refs. > > > > --- > > > **Title: DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES II** > Page Range: p.313-324 > Author(s): Leon L M; Laza M; Puchol V; Torrens F; Abad C; Campos A > File size: 417K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100879&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > **Abstract** > Epoxy nanocomposites filled with unfunctionalised silica nanospheres and silica nanospheres functionalised with amine, epoxy or mixtures thereof were prepared and their dynamic mechanical properties investigated by dynamic mechanical analysis. The results are discussed in terms of shear storage modulus and loss factor and the effects of filler content and type of filler thereon. 37 refs. > > > > --- > > > **Title: RESEARCH WITH CFX SOFTWARE ON FRAME MOULD TEMPERATURE FIELD SIMULATION IN AUTOCLAVE PROCESS** > Page Range: p.325-336 > Author(s): Zhang Cheng; Wang Yonggui; Liang Xianzhu; Zhang Boming; Yue Guangquan; Jiang Peng > File size: 479K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100880&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > **Abstract** > The frame mould temperature field in the autoclave process for the production of large-size advanced composite parts was simulated using ANSYS CFX computational fluid dynamics software. The simulation methodology was verified by performing experiments on the mould temperature field and comparing the findings with the simulation results and the effects of mould design parameters on the temperature field evaluated. 11 refs. > > > > --- > > > **Title: CURE, MECHANICAL AND SOLVENT TRANSPORT BEHAVIOUR OF FILLED POLY(ETHYLENE-CO-VINYL ACETATE) COMPOSITES** > Page Range: p.337-346 > Author(s): Priya Dasan K; Unnikrishnan G; Purushothamam E > File size: 320K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100881&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.5 > > **Abstract** > The effects of various fillers, such as clay, zinc oxide and talc, on the physical properties of EVA composites were investigated. Properties evaluated included cure characteristics, mechanical properties, solvent transport behaviour, dielectric properties and heat stability. 25 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: SURFACE FUNCTIONALISATION OF POLYESTER NONWOVEN FABRICS BY SPUTTER COATING OF TITANIUM DIOXIDE Page Range: p.347-351 Author(s): Yang Xu; Ning Wu; Qufu Wei; Libo Chu File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: SURFACE FUNCTIONALISATION OF POLYESTER NONWOVEN FABRICS BY SPUTTER COATING OF TITANIUM DIOXIDE** > Page Range: p.347-351 > Author(s): Yang Xu; Ning Wu; Qufu Wei; Libo Chu > File size: 298K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100882&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > > > **Abstract** > Direct current reactive magnetron sputtering was used to deposit functional titanium dioxide films onto polyester nonwoven fabrics, and the topography and chemical compositions of the coated fabrics were investigated using atomic force microscopy, scanning electron microscopy and X-ray photoelectron spectroscopy. Morphology of polyester fibres was seen to have been significantly modified by the sputtering process, and adhesion of the titanium dioxide films to the substrate was satisfactory. Ultraviolet absorption and antistatic properties of the fabrics were significantly improved by the process. 12 refs. > > > > --- > > > **Title: CHARACTERISATION OF HYDROXYAPATITE/BACTERIAL CELLULOSE NANOCOMPOSITES** > Page Range: p.353-358 > Author(s): Shengnan Zhang; Guangyao Xiong; Fang He; Yuan Huang; Yulin Wang; Yizao Wan > File size: 173K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100883&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > **Abstract** > A biomimetic route was used and described to prepare a composite of hydroxyapatite (HAP) deposited on a phosphorylated bacterial cellulose (BC). The composite was examined using X-ray photoelectron spectroscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, differential scanning calorimetry and thermogravimetric analysis. It was shown that thermal stability of the composite was better than the original BC and that the HAP crystals wrap the surfaces of the BC fibres. Weight loss under thermogravimetric analysis conditions was in three stages, similar to natural bone. 21 refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERISATION OF POLYANILINE/MONTMORILLONITE NANOCOMPOSITES** > Page Range: p.359-363 > Author(s): Shakoor A; Rizvi T Z; Foot P J S > File size: 222K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100884&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > **Abstract** > Oxidative polymerisation of aniline using solution polymerisation with an aniline/ammonium persulphate ratio of 2:1 in the presence of a montmorillonite clay resulted in the formation of a nanocomposite. The composites were characterised using X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy and it was observed that the polyaniline was largely incorporated into the clay. Electrical conductivity of the nanocomposites was investigated and was found to follow a temperature dependence relationship that was associated with one-dimensional variable-range hopping. 21 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERISATION OF PHASE CHANGE MATERIAL-LOADED POLYUREA MICROCAPSULES SEVERAL HUNDRED MICROMETRES IN DIAMETER** > Page Range: p.365-369 > Author(s): Takei T; Yoshida M; Nagayoshi T; Hatate Y; Shiomori K; Kiyoyama S > File size: 263K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100885&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > **Abstract** > Oil-in-water emulsion polymerisation with two types of isocyamate monomers in the oil phase and hexamethylene diamine in the water phase, with tetradecane as phase change material (PCM), was used to prepare PCM-loaded polyurea microcapsules some several hundred micrometers in diameter. Isocyanate monomers included toluene diisocyanate (TDI) and phenyl isocyanate, and to achieve the microcapsules a suitably adjusted agitation rate proved necessary. Microcapsule morphology was affected by the ratio of the two isocyanates, with higher ratio of the TDI proving more beneficial. Microcapsules were characterised using scanning electron microscopy and differential scanning calorimetry. 17 refs. > > > > --- > > > **Title: NON-LINEAR FATIGUE FRACTURE ANALYSIS OF COMPOSITE LAMINATES** > Page Range: p.371-377 > Author(s): Rizov V > File size: 323K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100886&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > **Abstract** > Non-linear fatigue fracture in composite laminates was investigated experimentally using polyester/glass fibre laminates, and by numerical analysis using finite element analytical methods. Experiments were carried out using sinusoidal tensile loads on samples in which an initial crack was introduced. Good agreement was obtained between experimental and simulated results, and it was shown that fatigue damage was concentrated around the crack tip. Relationships between the fatigue crack growth and J-integral range were discussed. 25 refs. > > > > --- > > > **Title: THE EFFECT OF COMPATIBILISING AGENT AND SURFACE MODIFICATION ON THE PHYSICAL PROPERTIES OF SHORT PINEAPPLE LEAF FIBRE (PALF) REINFORCED HIGH IMPACT POLYSTYRENE (HIPS) COMPOSITES** > Page Range: p.379-384 > Author(s): Siregar J P; Sapuan S M; Rahman M Z A; Zaman H M D K > File size: 223K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100887&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > **Abstract** > The effects of alkali treatment of short pineapple leaf fibres, or the addition of different levels of compatibiliser, on the physical properties of composites prepared from polystyrene and short pineapple leaf fibre were investigated using density measurements, melt flow index, swelling and water absorption measurements. It was found that the addition of compatibilising agents had more effect on composite properties than did the alkali treatment of fibres. Two types of compatibiliser were used, a copolymer of polystyrene and maleic anhydride or a block copolymer of polystyrene, ethylene-butylene copolymer and styrene-maleic anhydride copolymer. 12 refs. > > > > --- > > > **Title: POTENTIAL ADVANTAGES OF POLY(ACRYLONITRILE-CO-METHYL ACRYLATE)/SODIUM SILICATE NANOCOMPOSITES OVER P(AN-CO-MA) COPOLYMER** > Page Range: p.385-394 > Author(s): Samal B; Rana P K; Sahoo P K > File size: 475K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100888&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.6 > > **Abstract** > Synthesis of a copolymer of acrylonitrile and methyl acrylate, and a nanocomposite of this polymer with sodium silicate, was carried out using similar emulsion polymerisation methods with ammonium persulphate used as initiator and an in situ transition metal complex as catalyst. Properties of the polymer and nanocomposite were compared using Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, ultraviolet visible spectroscopy, X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, intrinsic viscosity measurements, tensile properties, water absorbency and biodegradation in sludge water, soil burial conditions or in a culture medium. The nanocomposite was shown to have improved thermal stability, biodegradability and water absorbency (superabsorbency) compared to the simple copolymer. 35 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: HYDROPHOBICITY ENHANCEMENT OF CELLULOSE-BASED MATERIAL VIA HETEROGENEOUS SURFACE ACETYLATION Page Range: p.397-402 Author(s): Zheng Zeng; Wentan Ren; Chi Xu; Weiqiang Lu; Yong Zhang; Yinxi Zhang... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: HYDROPHOBICITY ENHANCEMENT OF CELLULOSE-BASED MATERIAL VIA HETEROGENEOUS SURFACE ACETYLATION** > Page Range: p.397-402 > Author(s): Zheng Zeng; Wentan Ren; Chi Xu; Weiqiang Lu; Yong Zhang; Yinxi Zhang > File size: 289K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100921&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > > > **Abstract** > Cotton fibre was subjected to heterogeneous surface acetylation with acetic anhydride in an oil bath at 130 degrees C using Na"2CO"3 as a catalyst to enhance reactivity. The effect of reaction time on fibre acetylation was investigated by determination of ester content of the acetylated fibres, ATR FTIR spectroscopy, X-ray diffraction, static and dynamic contact angle measurements and field emission scanning electron microscopy. 26 refs. > > > > --- > > > **Title: STUDIES ON OXALIC ACID AS A CROSSLINKER OF POLYVINYL ALCOHOL** > Page Range: p.403-410 > Author(s): Gohil J M; Ray P > File size: 266K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100922&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > **Abstract** > The suitability of oxalic acid as a crosslinking agent for PVAl was investigated. Curing was carried out at temperatures from 100 to 140 degrees C over a range of time periods and oxalic acid concentration was varied from 3 to 70 percent. Optimum curative dose and curing conditions were evaluated by systematic swelling measurements in hot and cold water. Crosslinked PVAl films were characterised by FTIR spectroscopy to identify the nature of functional groups therein and the heat stability and phase morphology of the films investigated. 28 refs. > > > > --- > > > **Title: FTIR SPECTROSCOPY: A USEFUL TOOL FOR STRUCTURAL DETERMINATION OF POLYANILINE AND ITS NANOCOMPOSITES** > Page Range: p.411-421 > Author(s): Arasi A Y; Jeyakumari J L; Sundaresan B; Dhanalakshmi V; Anbarasan R > File size: 444K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100923&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > **Abstract** > Polyaniline/As"2O"3 nanocomposites were synthesised by in-situ polymerisation in the presence of two initiators (potassium chromate and ammonium peroxodisulphate). Kinetics of polyaniline formation was followed by FTIR spectroscopy and the ratio of imino and amino units estimated and correlated with polyaniline structure. Polymerisation rates were determined by a gravimetric method and the heat stability, structure and electrical conductivity of the nanocomposites investigated by TGA, high resolution TEM and conductivity measurements, respectively. 36 refs. > > > > --- > > > **Title: UTILISATION OF POTATO LEAVES AND ORGANOPHILIC MONTMORILLONITE FOR THE PREPARATION OF SUPERABSORBENT COMPOSITE UNDER MICROWAVE IRRADIATION** > Page Range: p.423-430 > Author(s): Yun-Pu Wang; Yan Liang; Jiu-Cun Chen; Xiao-Dong Yan; Cheng-Lin Li; Xi-Ping Wang > File size: 183K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100924&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > **Abstract** > A novel superabsorbent composite from waste potato leaves, organophilic montmorillonite, acrylic acid and acrylamide was produced by microwave irradiation using potassium persulphate as polymerisation initiator and N,N'-methylene bisacrylamide as crosslinker. Polymerisation conditions were investigated by orthogonal tests and optimum reaction conditions established. The superabsorbent composite was characterised by FTIR spectroscopy, X-ray diffraction and TGA and the effects of monomer to potato leaf ratio and montmorillonite content on composite water absorbency evaluated. 28 refs. > > > > --- > > > **Title: PHYSICAL PROPERTIES OF POLYDIMETHYLSILOXANE-CONTAINING ELASTOMERS AND THEIR ELECTROSPUN NANOFIBRE MATS** > Page Range: p.431-441 > Author(s): Chai W L; Shu Y C; Tseng W C; Chen C C; Jang S C; Chow J D; Chuang F S; Lin M F > File size: 621K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100925&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > **Abstract** > A series of PDMS-containing elastomers was synthesised from MDI, 1,4-butanediol and PDMS by a one-step procedure and the thermal degradation behaviour and tensile properties of the elastomers investigated. Nanostructured fibre mats were electrospun from the PDMS-containing elastomers by electrospinning and the effects of solution concentration and voltage on the morphology of the fibre mats studied by scanning electron microscopy. 27 refs. > > > > --- > > > **Title: DEVELOPMENT AND EVALUATION OF A DYNAMIC MOULD TEMPERATURE CONTROL SYSTEM WITH ELECTRIC HEATING FOR VARIOTHERM INJECTION MOULDING** > Page Range: p.443-455 > Author(s): Wang Guilong; Zhao Guoqun; Liu Jitao; Li Huiping > File size: 702K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100926&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > **Abstract** > A new variotherm injection moulding process in which electric heating and water cooling are used to dynamically change the temperature of the mould is reported. The feasibility and temperature response of the system are evaluated through numerical simulation and the simulation results used in the design of a mould for a 32-inch liquid crystal display panel. A variotherm injection moulding line is constructed to verify the simulation results and to examine the effect of the new variotherm injection moulding technology on part quality. 21 refs. > > > > --- > > > **Title: INCORPORATION OF SILICA NANOSPHERICAL PARTICLES IN EPOXY-AMINE CROSSLINKED MATERIALS II. DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES** > Page Range: p.457-465 > Author(s): Leon L M; Laza J M; Torrens F; Puchol V; Abad C; Campos A > File size: 413K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100927&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.7 > > **Abstract** > The mechanical properties of epoxy composites reinforced with unfunctionalised silica nanospheres or silica nanospheres functionalised with amine or epoxy groups were investigated by dynamic mechanical analysis. The effect of silica content on the mechanical strength of the composites was examined and the mechanical properties of the composites containing the functionalised and unfunctionalised silica nanospheres compared. 35 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MANUFACTURING AND RECYCLING OF SISAL-POLYPROPYLENE COMPOSITES Page Range: p.467-479 Author(s): Rao S; Bhattacharyya D; Jayaraman K; Fernyhough A File size: 277K Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc17-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MANUFACTURING AND RECYCLING OF SISAL-POLYPROPYLENE COMPOSITES** > Page Range: p.467-479 > Author(s): Rao S; Bhattacharyya D; Jayaraman K; Fernyhough A > File size: 277K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100963&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > > > **Abstract** > Sisal-PP composite sheets were manufactured using a 3-factor two-level experimental design based on the Taguchi method to maximise the mechanical properties of the composites. The composite sheets were mechanically recycled by pelletising the sheets and feeding through an extruder and the effects of recycling on the crystallinity, fibre length, mechanical properties (tensile modulus, tensile strength, and impact strength) and stress relaxation of the recycled sheets investigated and compared with those of the unrecycled composite sheets. 21 refs. > > > > --- > > > **Title: EFFECTS OF SURFACE TREATMENT OF GROUND RICE HUSK ON THE POLYURETHANE BASED ON CASTOR OIL** > Page Range: p.481-485 > Author(s): Sherif S A; Sadek M A; Ashour F H; Bassyouni M > File size: 180K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100964&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > **Abstract** > A PU elastomer based on castor oil and polymeric MDI with a NCO/OH ratio of 2 was synthesised and mixed with untreated and treated rice husk having an average particle size of less than 200 micrometers. The treated rice husk was obtained by pretreatment with steam and sodium hydroxide solution and the effects of the pretreated rice on the properties of the composites investigated. The dispersion and fracture surfaces of the composites were examined by scanning electron microscopy and composite properties determined by hardness measurements, TGA and differential scanning calorimetry. Composites containing steam-treated rice husks possessed enhanced interfacial adhesion and were considered good candidates for parquet flooring, shoe heels and sports surfaces. 7 refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES OF INJECTION-MOULDED JUTE/GLASS FIBRE HYBRID COMPOSITES** > Page Range: p.487-493 > Author(s): Ohta T; Takai Y; Yew Wei Leong; Hamada H > File size: 454K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100965&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > **Abstract** > Long glass and jute fibres were simultaneously incorporated into a PP matrix and the tensile and impact properties of the hybrid composites obtained investigated. Fracture surfaces were characterised by scanning electron microscopy and the properties of the hybrid composites compared with those of composites reinforced with glass fibres only. It was found that composites containing up to 20 wt.% jute fibres exhibited similar tensile properties to those of glass fibre-reinforced composites. The distribution of glass and jute fibres was anisotropic, wherein glass fibres tended to accumulate at the skin region of mouldings, thus orientating towards the resin flow direction. Jute fibres tended to remain at the core regions and were mostly oriented transverse to the flow direction. 11 refs. > > > > --- > > > **Title: DIFFUSION OF THE CURING AGENT THROUGH TWO EPDM RUBBER SHEETS WITH DIFFERENT % PEROXIDE DURING THEIR SIMULTANEOUS CURE** > Page Range: p.495-504 > Author(s): El Brouzi A; Granger R; Vergnaud J M > File size: 423K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100966&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > **Abstract** > An investigation was carried out into the diffusion of a peroxide (Perkadox 14-40) through two EPDM sheets (one containing 2% and the other 10% peroxide), pressed together and cured in a heated mould kept at 187 degrees Centigrade. The results obtained are discussed in terms of a gradient of hardness through the thickness of the sheets, the swelling behaviour of the sheets in toluene and the resistance to liquid and swelling of the bi-layer rubber system. Modelling of the process of absorption and evaporation was also performed, explaining torsion of the bi-layer sheet observed during absorption and its stability. This transfer of curing agent during curing is applicable to the retreading of truck tyres with a new rubber band. 19 refs. > > > > --- > > > **Title: CHARACTERIZATION OF POLYAMIDE 6/SUPERFINE SILK POWDER BLEND FILMS** > Page Range: p.505-511 > Author(s): Xin Liu; Weilin Xu; Wenbin Li > File size: 296K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100967&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > **Abstract** > Superfine silk powder was blended with polyamide-6 and the blends extruded and hot pressed into films. The dyeing and mechanical properties of the blend films were investigated and the interfacial adhesion and microstructure of the blend films studied by various methods, including scanning electron microscopy. The blends were found to be compatible and their dyeability dependent on silk powder content. Mechanical properties of the blend films decreased compared with those of polyamide-6 film and addition of silk powder favoured the formation of gamma-monoclinic crystals of polyamide-6 in the films, as observed by ATR FTIR spectroscopy and wide angle X-ray diffraction. 25 refs. > > > > --- > > > **Title: EFFECT OF INTERTUBE ADHESION ON MECHANICAL PROPERTIES OF TUBULAR CELL POLYPROPYLENE HONEYCOMBS** > Page Range: p.513-519 > Author(s): Rahimi H; Khalili V; Ghoreishy M H R; Rezadoust A M; Esfandeh M > File size: 369K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100968&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > **Abstract** > An investigation was carried out into the effect of the level of adhesion between PP tubes on the mechanical properties of honeycomb sandwich panels fabricated from PP, epoxy adhesive and plywood. The adhesion level of the honeycomb core was varied by altering the duration of corona surface treatment of the PP tubes and the influence of surface treatment on adhesion studied by contact angle measurements. Core delamination, compression and flexural tests were also performed on the sandwich structures, which revealed that the mechanical properties of the sandwich panels improved with increasing adhesion strength between the PP tubes. 13 refs. > > > > --- > > > **Title: PREPARATION, CHARACTERISATION AND MECHANICAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY WATERBORNE POLYURETHANE AND POLYURETHANE-ACRYLATE** > Page Range: p.521-527 > Author(s): Fengxian Qiu; Jingli Zhang; Dongmei Wu; Qinqin Zhang; Dongya Yang > File size: 283K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100969&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 17 > Issue No: No.8 > > **Abstract** > Environmentally friendly, water-borne PU was prepared from a polyester polyol, isophorone diisocyanate and dimethylol propionic acid and polyurethane-acrylate dispersions were obtained from different proportions of butyl acrylate and methyl acrylate by an in-situ dispersion technique. The structures, optical transparency, physical properties, mechanical properties and heat stabilities of the PU and polyurethane-acrylate dispersions and films prepared therefrom were investigated and compared. The polyurethane-acrylates were found to possess better transparency, higher tensile strength and lower elongation at break and were considered potential candidates for coatings, leather finishing, adhesives, sealants, plastics coating and wood finishes. 10 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: TRACING THE VOID CONTENT DEVELOPMENT AND IDENTIFICATION OF ITS EFFECTING PARAMETERS DURING IN SITU CONSOLIDATION OF THERMOPLASTIC TAPE MATERIAL Page Range: p.1-15 Author(s): Khan M... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: TRACING THE VOID CONTENT DEVELOPMENT AND IDENTIFICATION OF ITS EFFECTING PARAMETERS DURING IN SITU CONSOLIDATION OF THERMOPLASTIC TAPE MATERIAL** > Page Range: p.1-15 > Author(s): Khan M A; Mitschang P; Schledjewski R > File size: 871K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100987&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > > > **Abstract** > The development of a simulation tool based on an existing model published in the literature to investigate the effects of consolidation force, processing speed, hot gas flow and repetitive passes on void content development during manufacture of fibre-reinforced thermoplastic composite laminate tapes is described. Experimental data for void distribution through thickness and density of carbon fibre-reinforced poly(etheretherketone) laminated plates manufactured by automatic tape placement process are discussed in comparison with the results of simulations using the model and the most significant processing parameters are identified. 16 refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF CHLOROPRENE RUBBER (CR)/CLAY NANOCOMPOSITES** > Page Range: p.17-21 > Author(s): Cheng Y-Y; Yen Y-Y; Kao P-H; Lu N; Wang H-T > File size: 166K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100988&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > **Abstract** > The preparation by melt intercalation followed by curing and compression moulding of nanocomposites of chloroprene rubber with various proportions of sodium montmorillonite clay nanoparticles and an ammonium salt as organic modifier, and their characterisation by SAXS, TEM, TGA, DMA, and tensile testing, is described. The effects of filler and modifier contents on mechanical and thermal properties of the nanocomposites were investigated and the results are discussed in terms of filler dispersion and exfoliation. 10 refs. > > > > --- > > > **Title: POLYANILINE/GRAPHITE NANOSHEETS COMPOSITES AND ITS CONDUCTING PROPERTIES** > Page Range: p.23-29 > Author(s): Wu X; Qi S; He J; Duan G > File size: 290K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100989&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > **Abstract** > The synthesis of a nanocomposite of polyaniline and graphite nanosheets via in situ oxidative polymerisation of aniline with ammonium persulphate as oxidising agent in the presence of hydrochloric acid, and its characterisation by electrical conductivity, SEM and TEM, is described. The morphology and electrical properties of the nanocomposite are discussed in comparison with those obtained for composites of polyaniline with natural graphite flakes and with expanded graphite prepared by analogous methods in terms of the formation of a conducting network in the nanocomposite. 27 refs. > > > > --- > > > **Title: SURFACE AND COMPOSITE INTERFACE OF CARBON FIBRE MODIFIED BY PRE-IRRADIATION** > Page Range: p.31-35 > Author(s): Xu Z; Chen L; Liu L; Chen G; Wu X > File size: 203K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100990&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > **Abstract** > The surface modification of carbon fibres by gamma-irradiation at different dose levels followed by grafting with chloroepoxypropane, and characterisation of the fibres by SEM (surface morphology), dynamic contact angle analysis (surface free energy) and single fibre tensile testing before and after surface treatment, is described. The effects of irradiation dose on the interlaminar shear strength of composites of diglycidyl ether of bisphenol A-based epoxy resin with the modified fibres were investigated by short-beam flexural testing, and the results are discussed in terms of interfacial adhesion and the formation of covalent bonds between fibres and grafting agent. 18 refs. > > > > --- > > > **Title: INFLUENCE OF COMPATIBILISER AND WOOD FLOUR ON THE NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE COMPOSITES** > Page Range: p.37-44 > Author(s): Guo C; Ma L; Wang Q > File size: 282K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100991&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > **Abstract** > The effects of compatibiliser and wood flour on the non-isothermal crystallisation behaviour and crystalline morphology of composites of polypropylene and wood flour with or without the addition of m-isopropenyl-alpha,alpha-dimethylbenzyl isocyanate-grafted polypropylene as compatibiliser were investigated by DSC and polarised optical microscopy, and the results are discussed in terms of nucleation. Avrami analysis of the non-isothermal crystallisation kinetics was performed and the activation energy was calculated by the Kissinger method. 33 refs. > > > > --- > > > **Title: EFFECT OF MOLECULAR WEIGHT AND ITS DISTRIBUTION ON THE CRYSTALLINE MORPHOLOGY OF POLYPROPYLENE MATERIALS** > Page Range: p.45-51 > Author(s): Lei H; Xu T; Gao C T > File size: 264K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100992&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > **Abstract** > The effects of number-average molecular weight, weight-average molecular weight, and molecular weight distribution on the crystalline morphology of polypropylene were investigated by GPC (molecular weight and molecular weight distribution), XRD (crystallinity) and optical microscopy (crystalline morphology). The experimental data were subjected to statistical analysis and the results are discussed in terms of a linear relationship between the crystalline morphology parameters, crystallinity, number-average spherulite size, spherulite distribution width coefficient and the molecular weight distribution. 17 refs. > > > > --- > > > **Title: IONICALLY CONDUCTING POLYMERS BASED ON IONIC LIQUID-PLASTICIZED STARCH CONTAINING LITHIUM CHLORIDE** > Page Range: p.53-58 > Author(s): Wang N; Zhang X; Liu H; Han N > File size: 204K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100993&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.1 > > **Abstract** > The preparation of cast films of ionically-conducting thermoplastic starch plasticised with the ionic liquid 1-allyl-3-methylimidazolium chloride with various concentrations of lithium chloride, and their characterisation by AFM, FTIR, TGA, DMTA, water absorption and volume resistivity measurements in comparison with those obtained for glycerol-plasticised starch is described. The effects of lithium chloride concentration on plasticisation, thermal stability, water absorption and electrical conductivity of the thermoplastic starch were investigated and the results are discussed in terms of potential applications as solid biopolymer electrolytes. 12 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: AN INVESTIGATION OF THE ELECTROMAGNETIC SHIELDING EFFECTIVENESS OF ETHYLENE VINYL ACETATE ELASTOMER REINFORCED WITH CARBON NANOFILLERS Page Range: p.59-65 Author(s): Ray M; George J J;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: AN INVESTIGATION OF THE ELECTROMAGNETIC SHIELDING EFFECTIVENESS OF ETHYLENE VINYL ACETATE ELASTOMER REINFORCED WITH CARBON NANOFILLERS** > Page Range: p.59-65 > Author(s): Ray M; George J J; Chakraborty A; Bhowmick A K > File size: 276K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101031&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > > > **Abstract** > An EVA-carbon nanofibre (CNF) nanocomposite was developed and its electromagnetic interference (EMI) shielding effectiveness (SE) was measured in the frequency range of 8-12 GHz. The dependence of SE on the applied electromagnetic frequency and the amount of filler loading was evaluated. The SE of the composites was found to be directly proportional to the applied electromagnetic frequency and the amount of filler. Incorporation of 16 wt % of CNF produced the optimum SE. The AC conductivity of the CNF-reinforced EVA composites was also measured in order to correlate the conductivity values with the SE of the respective composites. The level of filler loading governed the conductive network formation and hence the SE and conductivity. In order to perform a comparative study of SE, three other carbon-based nanofillers, i.e. multiwalled carbon nanotube, expanded graphite and conductive carbon black, were used. Morphological studies using TEM supported various findings. These results indicate that CNF is an effective filler for the development of composites with excellent EMI shielding capability. 21 refs. > > > > --- > > > **Title: MECHANICAL, THERMAL AND RHEOLOGICAL PROPERTIES OF POLYPROPYLENE/WHEAT STRAW COMPOSITES AND STUDY OF THE EFFECT OF NANOCLAY ON THEIR MECHANICAL PROPERTIES** > Page Range: p.67-73 > Author(s): Hashemi S A; Esfandeh M; Mohammadi J > File size: 240K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101032&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > **Abstract** > The possibility of using wheat straw fibres as a reinforcing filler in PP was examined. Untreated and silane-treated fibres having a variety of fibre lengths were used, at various fibre contents, to reinforce PP. Composites were tested for their mechanical, thermal and rheological properties, and the assessment of the adhesion at the interface was made via observations by SEM. The results showed that, for untreated fibres, an increase in fibre content up to 20 wt % led to an increase in the TS of the composite. Beyond this amount, however, TS decreased. On the other hand, the tensile modulus increased due to higher stiffness of the fibres. By using silane-treated fibres, both TS and modulus increased, but the viscosity was reduced because of better dispersion of the treated fibres. On addition of nanoclay, the mechanical properties of the composites, compared with the pure polymer, increased up to a particular fibre content, and after that the trend was reversed. 24 refs. > > > > --- > > > **Title: MICROSTRUCTURAL STUDIES OF CEMENT COMPOSITES OF THERMOPLASTICS** > Page Range: p.75-83 > Author(s): Nair P S; Thachil E T > File size: 367K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101033&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > **Abstract** > An attempt was made to explain the morphology and nature of interactions between the cement particles and thermoplastics in polymer-cement composites. All the thermoplastics (PVAl, polyethylene glycol, PVAc, acrylic polymer, acrylic-styrene polymer) were added to the cement paste either as water solutions or emulsions with calcium chloride as an accelerator for hydration of the cement particles. Thermal analysis, soxhlet extraction and SEM were some of the techniques employed to investigate the microstructure. The analysis revealed that the thermoplastics formed a film around the cement particles, thereby preventing the leaching of the water-soluble components which were present in the cement matrix. As the polymers are added to the cement before cement hydration some of the polymers underwent interactions with the cement, resulting in the formation of chemical bonds between the two phases. This resulted in better durability properties when the composites were exposed to polluted chemical environments. 14 refs. > > > > --- > > > **Title: PURIFICATION OF CARBON NANOTUBES AND ITS EFFECT ON THE PROPERTIES OF CARBON NANOTUBE/POLYANILINE NANOCOMPOSITES** > Page Range: p.85-90 > Author(s): Dongyu Zhao; Kai Su; Xuemei Gao; Xiangdong Liu; Yunfei Meng; Weishu Yuan > File size: 230K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101034&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > **Abstract** > Multi-walled carbon nanotubes were purified by use of mixed acid (nitric and sulphuric acids). The multi-walled carbon nanotubes/polyaniline composite (MWCNTs/PANI) was prepared by in-situ polymerisation using aniline monomer and nanotubes in HCl solution. The content of MWCNTs in the samples was 0 to 20 wt %. The composites were characterised with respect to their structure, morphology, conductivity, mechanical properties and other properties. The results showed that the MWCNTs were well dispersed in water after purification. The interaction between PANI and MWCNTs was proved by FTIR spectrometry. The conductivity and the TS of the MWCNTs/PANI were markedly improved after purification. 23 refs. > > > > --- > > > **Title: NUCLEATION EFFECT OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER ON THE CRYSTALLIZATION OF POLY(epsilon-CAPROLACTONE)** > Page Range: p.91-101 > Author(s): Defeng Wu; Yisheng Zhang; Ming Zhang; Minge Gao > File size: 413K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101035&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > **Abstract** > A thermotropic liquid crystalline polymer (TLCP, an ethylene terephthalate-hydroxybenzoic acid copolymer) was used as a nucleating agent to improve the crystallisation of poly(epsilon-caprolactone) (PCL). The PCL/TLCP blend with the maximum TLCP content of 10 wt % was prepared by melt mixing. The non-isothermal crystallisation behaviour of the PCL matrix was studied using DSC and polarised optical microscopy, and the crystallisation kinetics were then further analysed by methods including the Avrami, Ozawa, Mo, Ziabicki, Lauritzen-Hoffman and Kissinger models. The results showed that the presence of the solid TLCP particles could enhance crystallisation temperature of the PCL matrix even at very low content (1 wt %). Although the mobility of the PCL chain segments decreased with increasing TLCP content, heterogeneous nucleation by TLCP particles always played a dominant role in the overall crystallisation. The blends therefore showed higher crystallisation rates and ability than those of pure PCL. The kinetic analysis and the data obtained in this study could be useful to optimise the processing conditions and to improve the crystallisation of PCL. 53 refs. > > > > --- > > > **Title: SOLVENT UPTAKE AND ACCELERATED SOLAR AGING STUDIES OF COTTON-POLYPROPYLENE COMMINGLED COMPOSITE SYSTEMS** > Page Range: p.103-112 > Author(s): Tomlal J E; Thomas P C; Jayanarayanan K; Mathew J; Joseph K > File size: 371K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101036&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > **Abstract** > The solvent absorption of cotton/PP side-by-side commingled composites in different solvents was studied, together with its variation with factors such as chemical treatments, temperature and fibre content, and the extent of tensile property deterioration by solar radiation in a solar light concentrator and by water diffusion. It was observed that, although cotton is highly hydrophilic, the diffusion was a matrix-dominated phenomenon. The extent of moisture absorption increased with the fibre content but decreased on treatment with maleic anhydride-modified PP. The former added a greater number of hydrophilic hydroxyl groups while the latter consumed them and enhanced the fibre-matrix interfacial adhesion. Increase in temperature accelerated the rate of moisture absorption and reduced the time required for equilibrium swelling. Exposure to sunlight in solar concentrator adversely affected the mechanical properties such as tensile strength and tensile modulus by weakening the fibre-matrix interfacial adhesion and by chain scission. 29 refs. > > > > --- > > > **Title: EFFECT OF ALUMINA TRIHYDRATE AND BORAX ON FIRE RETARDANCY AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE (HDPE) COMPOUNDS** > Page Range: p.113-122 > Author(s): Faghihi J; Morshedian J; Ahmadi S > File size: 458K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101037&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.2 > > **Abstract** > The influence of inorganic flame retardants, including alumina trihydrate (ATH) and borax, on the mechanical properties and flammability of HDPE was studied. Results showed that an increase in the amount of flame retardant compounds caused a decrease in TS, ultimate strain and impact resistance. Use of EVA caused an increase in impact resistance compared with other compositions without EVA. Flammability test results showed an improvement in flame retardancy due to using ATH and borax. Composite containing EVA and borax showed better flammability properties compared with composite containing EVA and ATH because EVA as a compatibiliser could increase the stability of the borate component and form a glassy layer on the char, which resulted in an enhancement in the flammability properties. Furthermore, a synergistic effect was observed when ATH and borax were incorporated together. The charred layers provided a good thermal and flame barrier. Morphological, rheological and thermogravimetric analyses supported the idea that the improvement in the flame retardancy was due to charred layers formed by the ignition of inorganic flame retardant and polymeric matrix. 21 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-3/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INFLUENCE OF NANOCLAY ON THE MORPHOLOGY, ADHESIVE AND MECHANICAL PROPERTIES OF POLYSULFIDE MODIFIED EPOXY RESIN Page Range: p.123-131 Author(s): Guchhait P K; Pradhan S; Kumar... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-3/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INFLUENCE OF NANOCLAY ON THE MORPHOLOGY, ADHESIVE AND MECHANICAL PROPERTIES OF POLYSULFIDE MODIFIED EPOXY RESIN** > Page Range: p.123-131 > Author(s): Guchhait P K; Pradhan S; Kumar K D; Maji P K; Bhowmick A K > File size: 261K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101056&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > > > **Abstract** > The preparation of nanocomposites of an epoxy resin cured with a tertiary amine and modified with liquid polysulphide, and various proportions of organically modified montmorillonite clay nanoparticles, and their characterisation by XRD (filler dispersion), TEM (morphology), tensile stress-strain properties, tensile strength, elongation at break, DMA and SEM (fracture morphology) measurements, is described. The effects of organoclay content on the adhesive properties of the nanocomposites were investigated by lap shear tests using aluminium adherends and the results are discussed in terms of the interaction between the adhesive and substrate in the presence of filler. 30 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF CORNCOB-g-ACRYLAMIDE/METHACRYLIC ACID** > Page Range: p.133-137 > Author(s): Song Y; Song Y; Zhang M > File size: 194K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101057&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > **Abstract** > The modification of corn cob by graft copolymerisation with a mixture of acrylamide and methacrylic acid using ferrous ammonium sulphate/hydrogen peroxide as redox initiator under various reaction conditions, and the characterisation of the products by FTIR, SEM and TGA, is described. The effects of monomer mass ratio, initiator concentration, reaction temperature and time on graft copolymerisation were investigated in terms of grafting percentage and grafting efficiency, and the results are discussed in terms of optimisation of reaction conditions and potential applications in wastewater treatment. 15 refs. > > > > --- > > > **Title: PREPARATION OF THERMOPLASTIC ELASTOMER FROM EPOXIDISED NATURAL RUBBER AND POLYSTYRENE** > Page Range: p.139-144 > Author(s): Chuayjujt S; Sakulkijpiboon S; Potiyaraj P > File size: 403K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101058&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > **Abstract** > The preparation of thermoplastic elastomers based on blends of epoxidised natural rubber with different epoxide group contents, derived via in-situ epoxidation, and various proportions of polystyrene latex from a commercial source or synthesised in-house by emulsion polymerisation, is described. The products were characterised by tensile strength, elongation at break, Shore A hardness, morphology (SEM) and glass transition temperature (DSC), and the effects of polystyrene and epoxide group contents on mechanical and thermal properties of the blends are discussed in terms of compatibility and miscibility. 8 refs. > > > > --- > > > **Title: EFFECT OF BARIUM SULFATE NANOPARTICLES ON MECHANICAL PROPERTIES AND CRYSTALLIZATION BEHAVIOUR OF HDPE** > Page Range: p.145-152 > Author(s): Chen X; Wang L; Shi J; Shi H; Liu Y > File size: 235K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101059&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > **Abstract** > The preparation via melt blending of nanocomposites of high density polyethylene with various proportions of barium sulphate nanoparticles modified by treatment with sodium stearate as filler, and their characterisation by SEM (morphology), DSC (crystallisation and thermal properties), XRD (crystal structure), DMA (storage modulus and loss tangent), tensile and impact testing, is described. The effects of filler content on mechanical properties and crystallisation behaviour of the nanocomposites were investigated and the results are discussed in terms of nucleation and reinforcement. 30 refs. > > > > --- > > > **Title: SYNTHESIS, CHARACTERISATION AND PROPERTIES OF POLYURETHANE GRAFTED CHLORINATED POLYPROPYLENE AND ITS COMPOSITES** > Page Range: p.153-158 > Author(s): Wang X; Dong X; Liu D > File size: 170K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101060&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > **Abstract** > The synthesis of graft copolymers of chlorinated polypropylene (CPP) with polyurethane (PU) via the inter-chain polymer reactions between maleated CPP and PU prepolymers derived from poly(oxypropylene)diols and 4,4'-diphenylmethane diisocyanate, with or without diol or diamine extenders and containing free isocyanate groups, under various reaction conditions in the presence of a tertiary amine catalyst is described. The products were characterised by titration (free isocyanate content), FTIR (molecular structure), DSC (glass transition temperature), gloss and adhesive properties of films, and the effects of PU chain extenders on properties are discussed. 20 refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERISATION OF POLYETHYLENE/CLAY NANOCOMPOSITES AS A FLAME RETARDANT MATERIALS USING ULTRASONIC TECHNIQUE** > Page Range: p.159-166 > Author(s): Nour M; Eid A; El-Nagare K; Aziz F A > File size: 361K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101061&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > **Abstract** > The preparation by solution blending with sonication of nanocomposites of low density polyethylene with different proportions of montmorillonite clay organically modified with 1,2-dimethyl-3-hexadecylimidazolium bromide, and their characterisation by colour (UV-visible spectroscopy), ultrasonic testing (filler dispersion), TGA (thermal stability), AFM (surface morphology) and cone calorimetry (flammability), is described. The effects of organoclay content on peak heat release rate and flame retardant properties of the nanocomposites are discussed in terms of the formation of a clay-enriched protective char layer during combustion. 22 refs. > > > > --- > > > **Title: PRESSURE TRANSFER BEHAVIOUR OF RUBBER MOULD AND THE EFFECTS ON CONSOLIDATION OF L-SHAPE COMPOSITE LAMINATES** > Page Range: p.167-174 > Author(s): Gu Y; Li M; Li Y; Zhang Z > File size: 303K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101062&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.3 > > **Abstract** > The pressure transfer properties of a rubber mould used in an autoclave process were investigated experimentally by measurements of the pressure distribution on the mould surface during processing using a pressure-sensitive paper. The effects of the pressure distribution on the interface between an L-shaped rubber male mould and an aluminium die in an autoclave process on the consolidation of L-shaped carbon fibre-reinforced bismaleimide resin composite laminates were investigated and the results are discussed in terms of defect formation and process control. 16 refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: LOW-VELOCITY IMPACT BEHAVIOUR OF 3-D GLASS FIBRE HOLLOW INTEGRATED CORE SANDWICH COMPOSITES Page Range: p.175-179 Author(s): Cao H; Qian K; Wei Q; Li H File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: LOW-VELOCITY IMPACT BEHAVIOUR OF 3-D GLASS FIBRE HOLLOW INTEGRATED CORE SANDWICH COMPOSITES** > Page Range: p.175-179 > Author(s): Cao H; Qian K; Wei Q; Li H > File size: 212K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101078&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > > > **Abstract** > In the current work, 3-D glass fibre woven fabric-reinforced composites were fabricated by impregnating epoxy resin in a hand lay-up procedure for the hollow integrated core sandwich structure. Four types of 3-D structures were investigated in terms of the impact properties as a function of the z-direction fibre length (5, 6 and 7 mm) and covered skins (covered with aluminium) in core structures. Impact properties including peak load, time to peak load, and absorbed energy were evaluated. It was found that the 3-D hollow integrated core sandwich composites covered with aluminium skin considerably enhanced the impact resistance. Photographs of the impact damage taken after impact tests were analyzed and discussed in terms of a hollowing on the front face sheet against the load applied, and whitening spread in the impact point on the back face sheet of the composites was also studied. 10 Refs. > > > > --- > > > **Title: STUDY ON A HIGH PERFORMANCE PACKAGING MATERIAL OF HDPE/LLDPE/ OMMT NANOCOMPOSITES** > Page Range: p.181-188 > Author(s): Zhou L; Li P; Song G; Gu Z; Wang L; Gao Z > File size: 179K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101079&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > **Abstract** > New types of HDPE/LLDPE/OMMT nanocomposites, which were used as packaging materials, were prepared by direct injection moulding without any compatibiliser. This method was similar to the film forming technology. TEM observation revealed that the OMMT layers were homogeneously dispersed throughout the matrix at the nano-scale. The results of mechanical properties measurement showed that the tensile strength, tensile modulus, flexural strength and flexural modulus were improved remarkably with small amounts of OMMT, whose contents were below 6.0 wt.%. For example, the yield strength of the nanocomposite with 4.0 wt.% OMMT was 32.8 MPa, which increased 27.6% compared with that of the neat sample. Meanwhile, the heat deflection temperature values and TGA results showed that the thermal stability also improved. 17 Refs. > > > > --- > > > **Title: EPDM/HDPE-BASED THERMOPLASTIC VULCANISATES STUDIED BY PHYSICAL-MECHANICAL TESTS AND IR SPECTROMETRY** > Page Range: p.189-195 > Author(s): Moldovan Z; Ionescu F; Alexandrescu L; Carsote C > File size: 264K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101080&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > **Abstract** > For the present study, blends of ethylene-propylene-diene terpolymer (EPDM) rubber with a thermoplastic polyolefin namely high-density polyethylene (HDPE) were prepared by dynamic vulcanisation. The physicomechanical tests, IR spectra (recorded by attenuated total reflection technique) and ageing behaviour of the binary blends were investigated, analyzing the effect of the rubber/thermoplastics ratio, the kind of reticulating agent and the percent of plasticiser on the properties of the prepared polymer blends. 23 Refs. > > > > --- > > > **Title: EFFECT OF SALICYLIC ACID ON THE MECHANICAL PROPERTIES AND WATER RESISTANCE OF SOY PROTEIN ISOLATE FILMS** > Page Range: p.197-203 > Author(s): Bai H; Kumar R; Yang C; Liu X; Zhang L > File size: 238K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101081&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > **Abstract** > Soy protein composites films (SF) have been prepared using soy protein isolate (SPI), salicylic acid (SA) and glycerol as a plasticiser. To prepare water resistant soy protein composites films (SF-B), 2, 2-diphenyl-2- hydroxyethanoic acid (DPHEAc) was used. Different amounts of SA were added in both SF and SF-B films. The results showed that the SF-B films with 0.5% (wt) of SA had higher tensile strength and modulus with low water uptake than that of SF films at same amount of SA. Contact angle analysis also indicated that the SF-B films showed hydrophobic surface. Thus both lower levels of water uptake and hydrophobic surface indicated high water resistance of the materials. Higher transmittance value and increased intermolecular hydrogen bonding showed higher compatibility between SPI and SA. This work provided a new approach in the use of SA in water resistant soy protein films for enhancing the processing window. 30 Refs. > > > > --- > > > **Title: HYBRIDIZATION EFFECT OF GLASS FIBRE ON MECHANICAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLYPROPYLENE-BAMBOO/GLASS FIBRE HYBRID COMPOSITES** > Page Range: p.205-218 > Author(s): Nayak S K; Mohanty S; Samal S K > File size: 503K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101082&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > **Abstract** > Polypropylene/bamboo fibre-reinforced composites (BFRP) and polypropylene-bamboo/glass fibre based hybrid composites (BGRP) using an intermeshing counter-rotating twin-screw extruder followed by injection moulding in which maleic anhydride grafted polypropylene (MAPP) was used as a compatibiliser. The effect of hybridisation on the mechanical performance of hybrid composites has been assessed. It was observed that replacement of 15 wt.% of bamboo fibre by 15 wt.% of glass fibre with 2 wt.% of MAPP on a total amount of 30 wt.% of fibre content showed optimum mechanical performance. The water uptake of the hybrid composites was also found to be less than that of their unhybridised counterpart. The crystallisation, melting behaviour and thermal stability of the hybrid composites were investigated employing differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). TGA thermograms showed an increase in thermal stability of the matrix polymer after incorporation of bamboo and glass fibres, confirming the effect of hybridisation and efficient fibre matrix interfacial adhesion. The fibre-matrix interfacial morphology of the tensile fractured specimens was studied using scanning electron microscopy (SEM) which showed less fibre pullout and fewer gaps between the fibre and the base matrix in case of MAPP-treated hybrid composites. 46 Refs. > > > > --- > > > **Title: REACTIVE COMPATIBILIZATION AND ELASTOMER TOUGHENING OF POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE)/POLYAMIDE 6 BLENDS** > Page Range: p.219-226 > Author(s): Li B; Wan C; Zhang Y; Ji J; Su Y > File size: 358K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101083&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > **Abstract** > Poly(2,6-dimethyl-1,4-phenylene oxide)/polyamide 6 (PPO/PA6) blends were reactively compatibilised by maleic anhydride (MA) grafted PPO (PPO-g-MA) and toughened by MA grafted styrene-ethylene-butadiene-styrene block copolymer (SEBS) (SEBS-g-MA) via melt extrusion. The compatibilising effect of PPO-g-MA on the PPO/PA6 blends was studied by using scanning electronic microscopy, differential scanning calorimetry and mechanical properties tests. The notched impact strength of PPO-g-MA/PPO/PA6/SEBS-g-MA blends increased with increasing SEBS-g-MA content, leading to blends having super-tough behaviour. The fracture behaviour of the PPO/PA6 blends was studied using a modified essential work of fracture model (EWF), which showed that plastic deformation related to SEBS-g-MA was the crucial factor for the toughening. 31 Refs. > > > > --- > > > **Title: THE FABRICATION AND PROGRESS OF HOLLOW STRUCTURES** > Page Range: p.227-235 > Author(s): Cao S; Chen J; Hu J; Yuan X > File size: 183K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101084&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.4 > > **Abstract** > The fabrication of hollow particles is one of the fastest-growing fields of materials research, owing to their potential applications in catalysis, chromatography, separation, coatings, protection of bioactive agents, microelectronics and electrooptics. As reported in recent studies, a variety of chemical and physicochemical methods have been employed to prepare hollow spheres with hierarchical and well-defined morphologies. For this, a basic understanding of the mechanism and recent advances in the fabrication of hollow spheres is discussed, along with outstanding challenges, issues, and potentially future opportunities. Evidently, it will enable the development in the fabrication of hollow particles with unique and tailored properties. 93 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-5/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EFFECT OF PROCESS PARAMETERS ON LAYER-BY-LAYER SELF-ASSEMBLY OF POLYELECTROLYTES ON COTTON SUBSTRATE Page Range: p.237-249 Author(s): Wazed Ali S; Rajendran S; Joshi M File size:... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-5/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EFFECT OF PROCESS PARAMETERS ON LAYER-BY-LAYER SELF-ASSEMBLY OF POLYELECTROLYTES ON COTTON SUBSTRATE** > Page Range: p.237-249 > Author(s): Wazed Ali S; Rajendran S; Joshi M > File size: 255K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101085&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > > > **Abstract** > To our knowledge, the present study is the first attempt to evaluate the effect of different process parameters on the amount of polyelectrolyte adsorbed on a cotton textile substrate via sequential adsorption of negatively charged poly (styrene sulphonate) (PSS) and positively charged poly (allylamine hydrochloride) (PAH) using layer-by-layer (LBL) self-assembly nanocoating process. A considerably different polymer adsorption behaviour was observed from thick adsorbed layers to thin adsorbed layer with different degree of layer penetration and ionic pair formation over the pH range (2.5 – 9.0) studied. The amount of polyelectrolyte adsorption on cotton fabric was evaluated by measuring the colour value (K/S) of methylene blue absorbed cotton surface. Contact angle measurement revealed that the extent of binding of the oppositely charged polyions on the fabric depends on the pH of the polyelectrolyte solution and ‘zipped-up' structure with more ion pair formation was observed at the pH range 4.5 – 6.5. At higher temperature, the amount of polyelectrolyte adsorbed within the multilayers was higher. An increased deposition of PSS and PAH was observed with increase in electrolyte (NaCl) concentration. The amount of PSS and PAH adsorption increased up to 0.03 (M) of PSS and 0.01 (M) of PAH concentrations, respectively. A dipping time of 5 min was sufficient to have a maximum deposition of the polyelectrolyte multilayers. 26 Refs. > > > > --- > > > **Title: EFFECT OF POLY(2-ETHYL-2-OXAZOLINE) ON MULTI-WALLED CARBON NANOTUBES REINFORCED POLY(VINYL ALCOHOL) COMPOSITES** > Page Range: p.251-256 > Author(s): Tan S H; Suk K L; Goak J C; Hong S C; Kim J-Y; Lee S-W; Kim S; Seo Y; Lee N > File size: 348K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101086&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > **Abstract** > The effect of poly(2-ethyl-2-oxazoline) (PEOX) as a surface modifier for multi-walled carbon nanotubes (MWCNTs) in a poly(vinyl alcohol) (PVA) composite was studied through a simple polymer wrapping and melt extrusion processes. MWCNTs were carboxylated in a reaction with HNO3, followed by mixing with 10 wt.% PEOX in ethanol to produce a MWCNT-PEOX complex. High resolution transmission electron microscopy identified a PEOX layer existing on the surface of MWCNTs. Compared with pristine MWCNTs, MWCNT-PEOX showed an improved dispersion in hydrophilic solvents such as water and ethanol. The PVA composite reinforced with 0.5 wt.% MWCNT-PEOX exhibited 54% higher Young's modulus than pure PVA. 20 Refs. > > > > --- > > > **Title: THERMAL PROPERTIES OF HIGH DENSITY POLYETHYLENE-KENAF CELLULOSE COMPOSITES** > Page Range: p.257-261 > Author(s): Tajeddin B; Abdulah L C > File size: 148K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101087&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > **Abstract** > Biocomposites of high density polyethylene (HDPE) and kenaf cellulose (KC) with polyethylene glycol (PEG) have been prepared by melt blending and compression moulding. The optimum temperature and reaction period for blending KC with HDPE were 145 °C and 12 minutes with rotation speed of 30 rpm, respectively. The effects of composition on the thermal properties of HDPE-KC biocomposites were investigated using TGA and DSC. Each sample of HDPE-KC biocomposites was subjected to heating programs between 35-600 °C for TGA, and the DSC analysis was determined under heating cycles of 25-600 °C. The results from TGA and DSC indicated that by increasing the KC content, the thermal stability was slightly improved. The melting temperature for all the composites was less than the melting point of KC (148.70 °C), and almost the same as that of HDPE (130.38 °C). Therefore no significant change in the melting temperature resulted from adding KC to the HDPE matrix. However, HDPE's presence surrounding the KC fibres, prevented water from reaching the cellulose fibre particles, thus reducing the water content in the composite; hence a significant advantage of forming KC composites with hydrophobic HDPE is that it helps to make the cellulose hydrophobic instead of hydrophilic. 15 Refs. > > > > --- > > > **Title: PREDICTION OF PROCESS-INDUCED GEOMETRICAL DEFORMATIONS FOR STIFFENED THERMOSETTING COMPOSITE PANELS** > Page Range: p.263-273 > Author(s): Zhang B; Yue G > File size: 486K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101088&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > **Abstract** > Stiffened thermosetting composite panels are primary structure of aircraft and fabricated with co-curing processing. The process-induced residual stresses resulted in geometrical deformation when the stiffened composite panel was fully cured and removed from the tool. An investigation into the three-dimensional cure simulation of T-shape stiffened thermosetting composite panels was presented to predict the process-induced deformation during cocuring. And flexible tools and locating tools were considered in the cure simulation. Simulation examples were presented to demonstrate use of the present finite element procedure for predicting composite parts deformations. The T300/BMI structure was analyzed provide insight into the non-uniform curing process. The temperature was higher in the interface between web and flange during the entire cure cycle. And the distortions of skin and webs for T-shape stiffened thermosetting composite panel were remarkable. 23 Refs. > > > > --- > > > **Title: COMPUTER SIMULATION OF RESIN FLOW THROUGH THE BLEEDER IN THE AUTOCLAVE CURING PROCESS** > Page Range: p.275-282 > Author(s): Xu P; Jing X > File size: 235K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101089&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > **Abstract** > In the autoclave curing process of phenolic resin composite at high pressure, uncured resin usually flows into the vacuum pipe through improperly used bleeder and blocks the vacuum orifice. Therefore, there are too many defects formed in the as-prepared composite because not all volatiles can be expelled from the laminate. In order to choosing or manufacturing the bleeder used in this special condition, the resin flow in the bleeder should be carefully investigated. However, the resin flow in the bleeder cannot be observed directly during the autoclave curing process, computer simulation is employed to describe the flow in the bleeder. The simulation results show that i) the resin flow near the vacuum orifice is quite different compared to that far away from the vacuum orifice, the resin can flow through the bleeder near the vacuum orifice within a shorter time; ii) a bleeder made from needle-punched nonwoven material with low porosity, small fibre diameter and small permeability could prevent the resin from flowing into the vacuum pipe in the autoclave curing process. 19 Refs. > > > > --- > > > **Title: SYNTHESIS OF HYPER-BRANCHED 4A ZEOLITE AND ITS APPLICATION IN NATURAL RUBBER SYSTEMS** > Page Range: p.283-290 > Author(s): Wang J; Zheng X; Chen Y > File size: 442K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101090&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > **Abstract** > Hyper-branched 4A zeolite (HB-4A zeolite) was prepared by condensation reaction between 4A zeolite and the monomer we prepared. It was then characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). This HB-4A zeolite was then used in the preparation of natural rubber (NR)/HB-4A zeolite composite. Different types of NR/HB-4A zeolite composites were prepared with different amounts of HB-4A zeolite and compared with the composites directly incorporated with 4A zeolite. The cure characteristics of different 4A zeolite filled NR composites were studied. Then, the tensile and thermal properties were compared. Results revealed that the mechanical properties of NR/HB-4A zeolite, especially elongation at break, showed a remarkable enhancement compared with that of NR/4A zeolite and NR systems. SEM studies showed that hyper-branching modification might increase the compatibility between 4A zeolite and NR matrix. A reinforcing mechanism was proposed, assuming that the ‘anchor' effect caused by the hyper-branched polymer may reduce the amount and size of voids and increase the length of the crack spread path during tensile drawing. 16 Refs. > > > > --- > > > **Title: THERMAL OXIDATION BEHAVIOUR AND DEGRADATION KINETICS OF POLYPROPYLENE WITH P-TERT-BUTYLCALIX[N]ARENES** > Page Range: p.291-296 > Author(s): Zhu L; Xu K; Chen J; Chen M > File size: 192K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101091&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.5 > > **Abstract** > p-tert-butylcalix[4]arene (C4), p-tert-butylcalix [6]arene (C6) and p-tert-butylcalix[8]arene (C8) were synthesised and explored as antioxidants for polypropylene (PP). The structures of these compounds were characterized by 1H-NMR and FTIR, and their antioxidation efficiencies for PP were evaluated by rheology analysis, differential scanning calorimetry (DSC), melt flow index analysis, and thermogravimetric analysis (TGA). The rheology results from a Haake Polydrive mixer revealed that calix[n]arenes had little effect in preventing PP from degradation during the processing, and the DSC analysis showed that the antioxidation performance of the calix[n]arenes for PP was in the order of C4 greater than C6 greater than C8. The values of melt flow index indicated that calix[n]arenes, especially C4 and C6, could largely improve the thermal stability of PP, and the activation energies for degradation of PP with C4, C6 and C8 calculated with the data from TGA were 97.05, 84.60 and 53.69 kJ/mol, respectively. 22 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K Download the... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES** > Page Range: p.297-306 > Author(s): Cardona F; Aravinthan T; Moscou C > File size: 232K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101092&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > > > **Abstract** > Novel composites resins for civil engineering structures were synthesised. Resol phenolic resins were modified by the copolymerisation of phenol with cardanol (obtained from CNSL). The modified PF resins were synthesised at different proportions of phenol to cardanol and also of the total phenol to formaldehyde. The synthesis was carried out under alkaline conditions and with a maximum content of 40 wt.% of cardanol. The effect of the partial substitution of phenol by cardanol on the thermal and mechanical properties of the CPF resins was investigated. An increase in the content of cardanol resulted in a proportional increase in the flexibility and in the fracture toughness together with a decrease in the flexural modulus of the cured CPF resins. The higher toughening effect of replacing phenol with cardanol was obtained with the total P:F molar ratio of 1.0:1.25. Also a direct proportionality between the amount of cardanol content and the decrease in crosslink density of the resins was observed. Simultaneous TGA-FTIR studies of the resins were carried out and the emitted gases were identified. The results confirmed that the thermal stability and the temperature of degradation of the cured CPF resins decreased as the amount of cardanol content increased. Gas emissions during the pyrolysis of the CPF resins also increased. 44 Refs. > > > > --- > > > **Title: ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE** > Page Range: p.307-313 > Author(s): Al-Mulla A; Al-Omairi L; Mathew J; Bhattacharya S > File size: 253K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101093&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > **Abstract** > The isothermal crystallisation kinetics of two different types of linear aromatic polyesters, namely poly(trimethylene terephthalate) (PTT), poly(butylene terephthalate) (PBT) and their blend with polycarbonate (PC) has been investigated using differential scanning calorimetry (DSC). The blend composed of PTT25/PBT25/PC50 (wt/ wt.%) was synthesised using a twin screw extruder. Isothermal studies for PTT were conducted between 129 and 159 °C. The temperature ranged between 168-177 °C for PBT and between 170 and 183 °C for the blend. Avrami, Tobin and Malkin models were used to estimate the crystallisation kinetic parameters, such as crystallisation rate order (n), crystallisation rate constant (k) and half time of crystallisation (t0.5). The values of average sum of square of errors (ASE) of all models were comparable. This detailed study indicates that the models investigated are suitable for describing the crystallisation kinetics of the blend and the neat polymers. 46 Refs. > > > > --- > > > **Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66** > Page Range: p.315-320 > Author(s): Liu Y; Wang Q > File size: 192K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101094&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > **Abstract** > Inorganic flame retardant, magnesium hydroxide (MH), was surface-modified through in-situ encapsulation of an organic nitrogen flame retardant, melamine cyanurate (MCA) by making use of the self-thickening effects during melamine-cyanurate self-assembly process. The obtained MH encapsulated by MCA (MCA-MH) was applied for the flame retardance of polyamide-66 (PA66). As compared to MH modified by silane coupling agent (MH-SC), MH-MCA had much better compatibility and dispersion in PA66 matrix due to replacing MH-PA66 interface by MCA-PA66, As a result, MCA-MH flame retarded PA66 showed obviously enhanced the flame retardancy and mechanical properties. Additionally, the relationship between the MCA/MH ratio and the flame retardancy, as well as the mechanical properties was investigated, and the corresponding synergistic effects between MCA and MH were researched. 10 Refs. > > > > --- > > > **Title: THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID** > Page Range: p.321-327 > Author(s): Ou C-F; Shiu M-C > File size: 247K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101095&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > **Abstract** > A series of epoxy methacrylate/silica hybrids, containing 0.5, 1, 3, 5, 7, 10, and 15 wt.% tetraethyloxysilane (TEOS), were synthesised by sol-gel process. Differential scanning calorimetry (DSC) indicated that the glass transition temperatures (Tg) of the hybrids were higher than that of the pure epoxy methacrylate, the maximum increase of 26.7 C being achieved with the addition of 3 wt.% TEOS. The decomposition temperatures (Td) of the hybrids were higher than that of the pure epoxy methacrylate (EMA) and rose as the TEOS content increased. The light transmittance of the hybrids was still higher than 80% with up to 15 wt.% TEOS. The water permeability of the hybrids decreased with increasing TEOS content to 7 wt.%, and then increased to 15 wt.%. The hybrid with 7 wt.% TEOS exhibited a maximum permeability decrease of 54.0%. Scanning electron microscopy (SEM) showed that the number of dispersed droplet of silica increased as the content of TEOS increased. 32 Refs. > > > > --- > > > **Title: MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES** > Page Range: p.329-336 > Author(s): Dadbin S; Kashcooli Y; Frounchi M > File size: 225K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101096&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > **Abstract** > Compounding electron beam irradiated polytetrafluoroethylene (PTFE or Teflon) powder with silicone rubber produced silicone rubber/PTFE composites with desired physical properties. PTFE powder was exposed to electron beam irradiation at various doses and characterized by FTIR, DSC and contact angle measurements. Irradiation of PTFE with high energy electron beam induced chain scission reactions. Irradiated PTFE showed higher degree of crystallisation and lower melting point with increasing absorbed dose. Number average molecular weight of irradiated PTFE was reduced significantly at higher absorbed doses. Formation of polar groups on the surface of irradiated PTFE powder was detected by FTIR spectroscopy. The latter was also verified by measurements of water-drop contact angle, which decreased with increasing absorbed dose. Mechanical and surface properties of the composites of silicone rubber and PTFE were characterized by tensile strength, abrasion resistance and water drop contact angle measurements. All the composites containing 5-15 phr PTFE showed higher tensile strength compared to the silicone rubber. Irradiation of PTFE powder had a significant effect on improving the abrasion resistance of the silicone rubber upon addition of only 5 phr irradiated PTFE. Similar abrasion resistance was obtained with the addition of higher amounts of non-irradiated PTFE (15 phr). Water drop contact angle of the composites decreased slightly with increasing the absorbed dose of PTFE. 17 Refs. > > > > --- > > > **Title: THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC)** > Page Range: p.337-343 > Author(s): Rashdi A A A; Sapuan S M; Ahmad M M H M; Khalina A > File size: 256K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101097&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > **Abstract** > Exposure to natural weathering changes the mechanical properties of unsaturated polyester composites. These changes can negatively affect the mechanical properties of natural fibre composites, through UV radiation and relative humidity. The idea of this study was to determine the durability of kenaf unsaturated polyester composites (KFUPC) in natural conditions, and in addition, to determine the effects of weathering on the performance of these composites and the biodegradability possessed by the composite when exposed to natural weather. KFUPC composites were exposed to the atmosphere for four months. Humidity up-take tests were performed on composite specimens containing (10%, 20% and 30%) weight percentage of fibre content. The tensile properties of exposed specimens were evaluated, and compared alongside dry composite specimens. A decrease in tensile properties of the weather exposed composites was demonstrated, compared with the dry samples. The percentage of moisture uptake increased as the weight percentage of fibre increased, due to the high cellulose content. 22 Refs. > > > > --- > > > **Title: SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES** > Page Range: p.345-349 > Author(s): Sevim C; Varhkh C > File size: 187K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101098&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.6 > > **Abstract** > In this study, solar and environmental degradation were performed for glass fibre/epoxy and glass fibre/vinyl ester composites. Tensile and differential scanning calorimetry (DSC) tests were applied before and after degradations. Considering tensile strength, it is concluded that vinyl ester composite samples used in this study were more durable against environmental degradation compared to the epoxy based samples. On the contrary, epoxy based samples seemed to be more durable than those of the vinyl ester under solar degradation. Moreover, the glass transition temperature loss % of both two resins was very low after solar degradation. It was observed that the destructive effect of environmental degradation was more dominant than solar degradation, according to measurements of tensile strength and glass transition temperature values. 14 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PROPERTIES OF THERMOPLASTIC POLYURETHANE/FUNCTIONALISED GRAPHENE SHEET NANOCOMPOSITES PREPARED BY THE IN SITU POLYMERISATION METHOD Page Range: p.351-358 Author(s): Duc Anh Nguyen; Raghu A V; Jin... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PROPERTIES OF THERMOPLASTIC POLYURETHANE/FUNCTIONALISED GRAPHENE SHEET NANOCOMPOSITES PREPARED BY THE IN SITU POLYMERISATION METHOD** > Page Range: p.351-358 > Author(s): Duc Anh Nguyen; Raghu A V; Jin Taek Choi; Han Mo Jeong > File size: 323K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101385&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > > > **Abstract** > Thermoplastic polyurethane (TPU)/functionalised graphene sheet (FGS) nanocomposites were prepared by an in situ polymerisation method. The synthesised TPU/FGS nanocomposites were fully characterised by FTIR, TEM, TGA, DSC, DMA, and by measurements of electrical conductivity and mechanical properties. The results indicated that the chemical and/or physical interactions between FGS and TPU were enhanced in the nanocomposites prepared by the in situ polymerisation method, and were compared to those of an earlier study which were prepared by physical mixing. Thermogravimetry showed that the degree of TPU adherence onto the FGS increased when the nanocomposite was prepared by the in situ polymerisation method. There were pronounced modulus enhancements and decreases in tensile strength and elongation at break as a result of incorporating FGS. The FGS, well dispersed in the TPU matrix, effectively improved the electrical conductivity; the nanocomposite containing 2 parts FGS per 100 parts TPU had an electrical conductivity of 2.07-10-3 S/cm, about 108 times higher than that of the pristine TPU. 44 Refs. > > > > --- > > > **Title: AN EXPERIMENTAL APPARATUS FOR MEASUREMENT OF ELONGATIONAL FLOW PROPERTIES FOR LDPE MELT AND THE EFFECT OF TESTING CONDITIONS** > Page Range: p.359-368 > Author(s): Watcharin Sitticharoen; Naret Intawong; Narongrit Sombatsompop > File size: 483K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101386&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > **Abstract** > An experimental rig was designed and constructed for melt strength measurement and was assembled at the end of a single screw extruder used for the production of low-density polyethylene (LDPE) melt. The experimental rig was coupled with a high speed data logging system and a personal computer for the real-time measurement of melt strength. The molten LDPE was extruded through a capillary die, forming a continuous filament before being pulled down by speed-adjustable mechanical rollers until the filament failed. A digital camera was used for measuring the actual extrudate size at failure point. The drawdown forces as a function of volumetric flow rate from the extruder, roller speed, die temperature and take-up style were of interest in this study. It was found that the experimental rig could be used for accurate measurement of the mechanical strength for the LDPE melt. The experimental results suggested that the melt strength of LDPE was dependent upon the volumetric flow rate through the die from the screw extruder, roller speed, and the take-up style. For ladder-step take-up, increasing roller speed resulted in non-linear increases in the drawdown forces, the drawdown force changes being associated with the molecular disentanglement and elastic resistances of the branched LDPE melt. The drawdown forces of the LDPE melt measured under the rapid speed take-up method were 40-60% greater than those tested under the ladder-step speed take-up method, depending on the volumetric flow rate used in the screw extruder. The tensile viscosity of the LDPE melt was found to decrease slightly with strain rate and die temperature in the testing conditions used in this work. 25 Refs. > > > > --- > > > **Title: INTERFACIAL SHEAR STRENGTH IN A METAL-THERMOPLASTIC COMPOSITE** > Page Range: p.369-380 > Author(s): Ochoa Putman C; Vaidya U K > File size: 556K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101387&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > **Abstract** > Hybrid materials featuring thermoplastic polymer composites in conjunction with steel cords are being considered as structural materials in infrastructure, transportation and military applications. The present study focuses on understanding the mechanical performance of metal cord-thermoplastic composites. Since the optimal performance of a composite strongly depends on the behaviour of the interface, finite element modelling has been adopted to characterize the interface between steel fibres and thermoplastic composite material. The mechanical interactions between thermoplastics and steel have been studied with a goal to improve interfacial shear strength and cohesive strength. Steel cord was combined with nylon, polypropylene, soft thermoplastic polyurethane and hard thermoplastic polyurethane to find the parameters that affect mechanical bonding via pull out tests and friction coefficient tests. The test parameters have been correlated to interfacial shear strength using both experimental and modelling approach. 22 Refs. > > > > --- > > > **Title: DEGRADATION AND DYNAMIC PROPERTIES OF POLY(AMIDE-CO-IMIDE)/CARBON NANOTUBE COMPOSITE FILMS** > Page Range: p.381-390 > Author(s): Seung Hwan Lee; Sheong Hyun Choi; Seong Yun Kim; Jin Il Choi; Jae Rock Lee; Jae Ryoun Youn > File size: 345K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101388&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > **Abstract** > Poly(amide-imide) (PAI)/carbon nanotube (CNT) composite films were investigated through FT-IR spectroscopy, TGA, and DMTA measurements in order to understand the interrelationships of surface modification of CNTs, thermal imidisation time, and thermal stability after they were prepared by solution mixing. Thermal stability and glass transition temperature were significantly improved when the PAI/CNT nanocomposites were filled with hydrogen peroxide treated CNTs (p-CNT) because the dispersion of p-CNTs and interfacial bonding between p-CNT particles and PAI molecules were improved. The imidisation time of the PAI/p-CNT composite film needed for sufficient imidisation reaction was reduced by about 3 hours compared with that of the pure PAI film, because p-CNTs have higher thermal conductivity than the pure PAI resin. They also showed the highest glass transition temperature among all PAI/CNT composites since p-CNTs have many hydrophilic functional groups which yield strong interaction with PAI molecules. It was found that the thermal imidisation depended on the network structure which was generated by the crosslinking reaction and surface modification of CNTs. 26 Refs. > > > > --- > > > **Title: PREPARATION OF RECYCLED POLY(VINYL ALCOHOL) (PVA)/IODINE POLARIZING FILM** > Page Range: p.391-396 > Author(s): Man Ho Han; Jae Kyun Shin; Kyeong Il Oh; Young Jae Lee; Du Hyun Song; Yong Sik Chung; Yong Rok Lee; Han Gon Choi; Tae Hwan Oh; Sung Soo Han; Seok Kyun Noh; Won Seok Lyoo > File size: 226K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101389&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > **Abstract** > To precisely identify the effect of preparation conditions on the polarizing efficiency (PE) of recycled poly(vinyl alcohol) (PVA)/iodine complex film, PVA film and PVA/iodine polarizing film were prepared by using recycled nonwoven PVA with a number-average degree of polymerisation (Pn) of 1700, syndiotactic diad (s-diad) content 54.6%, and degree of saponification (DS) 97.6%. We investigated the effects of various conditions such as soaking time, temperature of I2/KI aqueous solution, draw ratio, and temperature of aqueous boric acid solution on the transmittance and PE of recycled PVA/iodine complex film. Maximum transmittance and PE values of recycled PVA/iodine complex film were 41.2% and 99.8%, respectively. It was found that the recycled PVA/ iodine polarizing film showed effective transmittance and PE values comparable with those of commercial PVA/ iodine polarizing film. 19 Refs. > > > > --- > > > **Title: PREPARATION OF SODIUM ALGINATE HYDROGEL MICROPARTICLES BY ELECTROSPINNING USING VARIOUS TYPES OF SALTS** > Page Range: p.397-404 > Author(s): Sun Gil Kim; Young Jae Lee; Eun Joo Shin; Yeong Soon Gal; Yong Rok Lee; Tae Hwan Oh; Han Gon Choi; Jung-Ae Kim; Chul Soon Yong; Sung Soo Han; Seok Kyun Noh; Won Seok Lyoo > File size: 478K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101390&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > **Abstract** > Sodium alginate (SA) hydrogel microparticles were simply obtained by using electrospinning method at diverse processing parameters such as polymer concentration, applied voltage, tip to collector distance (TCD), and type and amount of divalent cations (crosslinking and gelation agents). In the case of TCD, there is no significant on the morphological shape of SA hydrogel microparticle. On the contrary, the particle size was decreased with an increase in the applied voltage. But at a high applied voltage, the polydispersity of SA hydrogel microparticle was increased and broad range of particle sizes was observed. Nearly monodisperse microparticles were prepared at applied voltage of 10kV. We also obtained SA hydrogel microparticles by the exchange of sodium ions with divalent cations such as Sr2+ and Ba2+, which presented uniform spherical shape, in comparison with that prepared using Ca2+. 23 Refs. > > > > --- > > > **Title: UV-CURED EPOXY METHACRYLATE COMPOSITE CONTAINING FLUORINE AND SILOXANE** > Page Range: p.405-410 > Author(s): Chunyi Tang; Weiqu Liu > File size: 336K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101391&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.7 > > **Abstract** > The synthesis and characterisation of methacryloxysiloxane (MAS) were described. UV-curable composites, bisphenol-A epoxy methacrylate/2,2,3,4,4,4-hexafluorobutyl methacrylate (BEMA/HFMA) and BEMA/HFMA/MAS composite systems were built, and the preparation method is described. The effects of HFMA and MAS content on the surface properties, thermal behaviour and water resistance of the cured composite films were investigated by contact angle, TGA and DSC, water resistance ratio; the dispersion of the three components was observed by micromorphological examination, and the results are discussed. 16 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: STRUCTURE AND THERMAL PROPERTIES OF CO-POLYAMIDE (CPA)/CLAY NANOCOMPOSITES BY A MELTING EXTRUSION METHOD Page Range: p.411-416 Author(s): Shuaijiang Zhao; Xilin She; Hailing Li; Fang Yuan;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: STRUCTURE AND THERMAL PROPERTIES OF CO-POLYAMIDE (CPA)/CLAY NANOCOMPOSITES BY A MELTING EXTRUSION METHOD** > Page Range: p.411-416 > Author(s): Shuaijiang Zhao; Xilin She; Hailing Li; Fang Yuan; Di Zhou > File size: 261K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101231&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > > > **Abstract** > The aim of the work was to study the structure and thermal property of co-polyamide (CPA)/clay nanocomposites. Two nanocomposites, based on two co-polyamides (CPA) and organic-clay, were successfully prepared by melting extrusions in a twin-screw extruder with high aspect ratio back-whorl. Their morphology and thermal properties were characterized by transmission electron microscopy (TEM), different scanning calorimeter (DSC). TEM results showed that the layered silicate sheets with the thickness of about 15 nm dispersed homogeneously in the polymeric matrix and formed exfoliated layered silicate nanocomposites. DSC results revealed that the crystallisation rate increased due to the addition of 2.0 wt.% clay into CPA. 32 Refs. > > > > --- > > > **Title: INFLUENCE OF DIFFERENT CURING SYSTEMS ON THE PHYSICO-MECHANICAL AND RHEOLOGICAL PROPERTIES OF CSM RUBBER** > Page Range: p.417-428 > Author(s): Madhuri Nanda; Deba Kumar Tripathy > File size: 421K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101232&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > **Abstract** > Curing systems play a vital role in designing rubber compounds for various industrial applications. Keeping this in view, a comparative study of the effects of four different curing systems such as sulphur, dicumyl peroxide (DCP), metal oxide (PbO) and epoxy resin on the curing characteristics, physico-mechanical, and rheological properties of chlorosulphonated polyethylene rubber (CSM) has been carried out. The highest values of maximum rheometric torque and scorch safety were observed in the peroxide-cured system, whereas sulphur-cured CSM rubber compounds possessed superior mechanical and rheological properties compared to those of the other cured systems. It is interesting to note that all curing systems exhibited increases in tensile strength, hardness, tear strength and crosslink density after ageing. This may be due to post vulcanisation. Unlike uncured CSM compound, in cured CSM compound the loss tangent increased with frequency, which may be due to the insufficient time available for molecular relaxation. Probable crosslinked structures for different curing systems have been proposed based on the observations of attenuated total reflectance Fourier transform infrared spectroscopy. 27 Refs. > > > > --- > > > **Title: AN AROMATIC MACROMOLECULE AS A NANO DRUG CARRIER: POLYETHER DENDRIMER / POLY(2-HYDROXYETHYL METHACRYLATE)** > Page Range: p.429-434 > Author(s): Reza Saboktakin M; Tabatabaie R M; Maharramov A; Ramazanov M A > File size: 295K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101233&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > **Abstract** > Highly branched, functionalised polymers have the potential to act as efficient drug carrier systems. The aromatic polyether dendrimers are spherical, highly ordered, multibranched, nanometre-sized macromolecules having positively charged ether groups on the surface under physiological conditions. In this study, we have synthesised a kind of dendrimer/poly(2-hydroxy ethyl methacrylate) nanocomposite/5-aminosalicylic acid (5-ASA) for oral drug delivery. The aromatic polyether dendrimer (generation 2, hyperbranched polyether with -CH2OH functionality, 3,5-Dihydroxybenzoic acid core) was prepared from generation 2, hyperbranched polyether dendrimer with -COOCH3 form in excellent yield. FT-IR, 1H-NMR and DSC studies suggest that the monomer predominantly forms a complex with polyether dendrimers because of the interaction between the -CH2OH end groups of dendrimer and the -OH group of 2-hydroxyethyl methacrylate monomer. 15 Refs. > > > > --- > > > **Title: STUDIES ON VARTM FORMING Z-STITCHED FOAM CORE SANDWICH COMPOSITES** > Page Range: p.435-442 > Author(s): Shaokai Wang; Min Li; Yizhuo Gu; Zuoguang Zhang > File size: 544K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101234&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > **Abstract** > Z-stitched foam core sandwich composite is a newly developed structure with through-thickness load-bearing pillars embedded by a stitching technique. In this paper, large-tow glass fibre stitches and fire-resistant phenolic resin were creatively used to fabricate this kind of sandwich composite, which possessed outstanding properties including fire resistance, debonding resistance and high flatwise compressive strength. Vacuum-assisted resin transfer moulding (VARTM) was conducted for processing. The effects of process conditions on key structural parameters of the z-stitched foam core sandwich composite were investigated, including the dimensions of the pillar, the fibre volume fraction of the facesheet as well as the porosity of the pillar. The results show that macroscopic void defects tend to be formed at the joints between the pillars and the top facesheet if air is trapped in the system. The cross sectional areas of the pillars are all larger than the suture needles due to damage of foam cells in the vicinity during stitching process, which is caused by the brittleness of the phenolic resin. Moreover, the dimensions of the pillar could be affected by the vacuum pressure and the pressure gradient, even resulting in local resin-rich area around pillar. In order to optimize the manufacturing quality of this sandwich composite, a small linear density of stitches and a long enough action time of the vacuum process are both very helpful. 11 Refs. > > > > --- > > > **Title: PREPARATION OF HEAT-RESISTANT EPOXY/SILICA HYBRIDS THROUGH A NOVEL SOL-GEL PROCESS** > Page Range: p.443-450 > Author(s): Xue Xia; Guoqing Wang; Peng Yang; Hiroyuki Kagawa; Haitao Wang; Masahiro Suzuki; Wei Zhong; Qiangguo Du > File size: 498K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101235&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > **Abstract** > A series of hybrid materials based on the diglycidyl ether of bisphenol-A (DGEBA) and 3-glycidoxypropyltrimethoxysilane (GPTMS) were prepared via a modified sol-gel process. The curing process of hybrid materials was analyzed with an advanced rheometric expansion system (ARES) and differential scanning calorimetry (DSC). Dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) were carried out to evaluate the thermal properties of the resulted epoxy hybrids. Copper clad laminates were also prepared by a traditional hot-press moulding procedure with the hybrid varnish, which showed an excellent heat-resistant performance This kind of hybrid material may be suitable for electronic applications due to their excellent high temperature reliability and stability. 22 Refs. > > > > --- > > > **Title: EPOXIDIZED PALM OIL PLASTICIZED POLYLACTIC ACID/FATTY NITROGEN COMPOUND MODIFIED CLAY NANOCOMPOSITES: PREPARATION AND CHARACTERIZATION** > Page Range: p.451-460 > Author(s): Jaffar Al-Mulla E A; Wan Md Zin Wan Yunus; Nor Azowa Bt Ibrahim; Zaki Ab Rahman M > File size: 516K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101236&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > **Abstract** > Fatty nitrogen compounds (FNCs); fatty amides (FAs), fatty hydroxamic acids (FHAs), and N,N'-carbonyl difatty amides (CDFAs), which were synthesised from palm oil, have been used as organic compounds to modify a natural clay (sodium montmorillonite). The clay modification was carried out by stirring the clay particles in an aqueous solution of FAs, FHAs, or CDFAs by which the clay layer distance increased from 1.23 to 2.69, 2.89 and 3.21 nm, respectively. The modified clay was then used in the preparation of the epoxidised palm oil (EPO) plasticised polylactic acid (PLA) nanocomposites. The interaction of the modifier in the clay layer was characterized by X-ray diffractometry (XRD) and Fourier transform infrared spectroscopy (FTIR). Elemental analysis was used to estimate the presence of these FNCs in the clay. The nanocomposites were synthesised by solution casting of the modified clay and a PLA/EPO blend at the weight ratio of 80/20, which has the highest elongation at break. The nanocomposites were then characterized using XRD, transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and tensile properties measurements. The XRD and TEM results confirmed the production of nanocomposites. PLA/EPO modified clay nanocomposites show higher thermal stability and significant improvement of mechanical properties in comparison with those of the PLA/EPO blend. 35 Refs. > > > > --- > > > **Title: EFFECT OF SOLVENT ON THE MORPHOLOGY OF HIGH MOLECULAR WEIGHT POLY(N-VINYL CARBAZOLE) WEB PREPARED BY ELECTROSPINNING** > Page Range: p.461-468 > Author(s): Hee Sam Kim; Ki Bum Kee; Young Jae Lee; Sung Soo Han; Yong Sik Chung; Han Yong Jeon; Yong Rok Lee; Yeong Soon Gal; Seok Kyun Noh; Won Seok Lyoo > File size: 472K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101237&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.8 > > **Abstract** > The effects of solvents such as 1,1,2,2-tetrachloroethane (TCE) and tetrahydrofuran (THF) and other processing parameters of electrospinning on the spinnability of high molecular weight poly(N-vinyl carbazole) (PVCz) solution and morphological variations of the as-spun PVCz web were investigated. That is, electrospun PVCz webs with various dimensions and shapes were obtained by controlling the type and amount of solvent and processing parameters like applied voltage, tip to the collector distance, and solution concentration. In the cases of all parameters, the average diameter of fibres in PVCz web electrospun in TCE was finer than that in THF. In addition, minimum diameters of fibres were about 900 nm and 3 micrometre for TCE and THF, respectively. In THF, PVCz fibres at high initial polymer concentration were not cylindrical but planar, which were similar with "ribbon" and nano-sized pores, resulting from the differences in evaporation rates and in the viscosities of the solvent and the solutions. 24 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-9/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: FILM MORPHOLOGY AND ELECTROLUMINESCENCE OF POLY[9,9-DI-(2'-ETHYLHEXYL) FLUORENYL-2,7-DIYL] BLENDED WITH A HOLE TRANSPORTING POLYMER Page Range: p.469-476 Author(s): Qiushu Zhang File size: 365K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc18-9/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: FILM MORPHOLOGY AND ELECTROLUMINESCENCE OF POLY[9,9-DI-(2'-ETHYLHEXYL) FLUORENYL-2,7-DIYL] BLENDED WITH A HOLE TRANSPORTING POLYMER** > Page Range: p.469-476 > Author(s): Qiushu Zhang > File size: 365K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101238&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > > > **Abstract** > This paper reports on the phase-separated film morphology and electroluminescence (EL) of a polyfluorene, poly[9,9-di-(2'-ethylhexyl)fluorenyl-2,7-diyl], blended with the hole transport material, poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(N,N'-bis(4-butylphenyl -1,1'-biphenylene-4,4'-diamine))]. The film morphology changes remarkably with the blend ratio. Other factors like polymer solution concentration, substrate and film thickness could also influence the film morphology. The addition of the hole-transporting polymer to the host polymer improved device properties of light-emitting diodes (LEDs). The maximum luminance achieved was 884 cd/m2. The maximum external quantum efficiency of the blended polyfluorene devices was 0.1%, which is more than three times higher than that of the pristine polyfluorene LEDs. The introduction of the hole-transporting polymer also modifies the EL spectrum. For the blend-based devices, the EL peaked at 504 nm, having a blue shift of 33 nm compared to that of the single polymer based devices. Phase-separated domains, or interactions at their interfaces, may play a role in the improved device performance. 28 Refs. > > > > --- > > > **Title: LIQUID SILICONE RUBBER VULCANIZATES: NETWORK STRUCTURE – PROPERTY RELATIONSHIP AND CURE KINETICS** > Page Range: p.477-488 > Author(s): Rajesh G; Maji P K; Mithun Bhattacharya; Anusuya Choudhury; Nabarun Roy; Anubhav Saxena; Bhowmick A K > File size: 709K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101239&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > Liquid silicone rubber (LSR) vulcanisates have been prepared from vinyl-end capped polydimethylsiloxane (PDMS) and polymethylhydrogenosiloxane (PMHS) in presence of platinum catalyst using solution casting technique. The science involving synthesis of usable silicone rubber by curing with polymethylhydrogenosiloxane has been studied in details. The effects of vinyl content of PDMS and the ratio of hydride crosslinker to vinyl concentration on crosslink density, mechanical, dynamic-mechanical and thermal properties have been discussed. It has been found that at optimum level of crosslinker, the LSR vulcanisate shows a maximum crosslink density with highest improvement in mechanical and thermal properties. The amount of crosslinker required, depends upon the number of vinyl functionality per unit length of the polymer chain and the chemical composition of the hydride crosslinker. This study makes a novel attempt to determine cure kinetics of PDMS by using Fourier Transform Infrared spectroscopy. Measurements have been done at three different temperatures and found to follow the first order reaction with respect to consumption of vinyl (C=C) and silyl hydride groups (Si-H). The activation energy and kinetic parameters have been determined as well. 48 Refs. > > > > --- > > > **Title: ELECTRICAL AND DIELECTRIC PROPERTIES OF MULTI-WALLED CARBON NANOTUBE FILLED POLYPROPYLENE NANOCOMPOSITES** > Page Range: p.489-494 > Author(s): Prashantha K; Soulestin J; Lacrampe M F; Krawczak P; Dupin G; Claes M; Tewari A > File size: 373K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101240&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > Different concentrations of multi-wall carbon nanotubes (MWNTs) filled polypropylene (PP) nanocomposites were prepared through PP/MWNT masterbatch dilution process by melt compounding with a twin-screw extruder. Prepared nanocomposites were characterized for their electrical resistivity and dielectric properties. The experimental results revealed that incorporation of MWNTs in PP matrix had decreased the electrical resistivity and increased the dielectric constant at low dielectric loss. The electrical conductivity and dielectric constant of PP/MWNT nanocomposites increased significantly near the percolation thresholds, which is equal to 2 wt.% of MWNTs. The PP nanocomposite containing 5 wt.% MWNT exhibited a high dielectric constant under wide sweep frequencies attended by low dielectric loss. Its dielectric constant is >110 under lower frequency, and remains the same in the entire frequency range. Interestingly, dielectric constant values of the prepared nanocomposite systems have weak or nil frequency dependence in the entire frequency range. Morphological characterisation was done using scanning electron microscopy (SEM) and it was observed that nanotubes are distributed reasonably uniformly indicating a good dispersion of nanotubes in the PP matrix. The obtained results indicate that a common commercial plastic with good comprehensive performance, which exhibited the potential for applications in advanced electronics, was obtained by a simple industry benign technique. 47 Refs. > > > > --- > > > **Title: INVESTIGATION ON FLAME RETARDANCY AND ANTIDRIPPING OF NEW INTUMESCENT FLAME RETARDANT POLYPROPYLENE FILM** > Page Range: p.495-502 > Author(s): Peng Bai; Bin Li; Suliang Gao; Mo Lin; Mi Wang > File size: 448K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101241&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > A novel intumescent flame retardant (IFR) system consisting of a novel char forming agent (CFA), modified ammonium polyphosphate (MAPP), a synergistic agent (4A zeolite) and an antidripping agent (SN3300) was used in an intumescent flame retardant polypropylene film (IFR-PP film). The original ammonium polyphosphate (OAPP) was modified by octadecylamine to enhance its compatibility with the PP matrix. According to the results obtained from the flame retardancy tests, MAPP had a higher efficiency than OAPP, and the IFR-PP film without the antidripping agent reached a high limiting oxygen index (LOI) value, but it failed to pass UL-94 VTM-0 rating (0.2 mm). The reasonable loading of SN3300 was 0.10~0.15 wt.% (26 wt.% loading of IFR). Greater or smaller loadings did not help the samples to pass VTM-0 rating, and even deteriorated the flame-retardancy of the film. Based on thermogravimetric analytical data, the IFR enhanced the thermal stability of composites at high temperature and effectively increased the char residue. The cone results demonstrated that the IFR could reduce the flammability of PP films based on reduced heat release rate (HRR), total heat release (THR), smoke production rate (SPR) and total smoke production (TSP); also IFR containing MAPP became more effective in reducing smoke release than one containing OAPP. The mechanical properties test results showed that films containing MAPP had better tensile strength and tear strength. The morphological structures observed by scanning electron microscopy (SEM) showed that MAPP had much better compatibility with a PP matrix than OAPP, and it made the char layer become more homogeneous and dense. 34 Refs. > > > > --- > > > **Title: EFFECT OF REACTIVE DILUENTS AND KAOLIN ON THE MECHANICAL PROPERTIES OF EPOXY RESIN** > Page Range: p.503-510 > Author(s): Bakar M; Szymanska J; Rudecka J; Fitas J > File size: 495K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101242&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > Epoxy resin was modified using phenyl diglycidyl ether (PGE), xylene and kaolin. The impact strength (IS), critical stress intensity factor (KC), flexural strength and glass transition temperature (Tg) were evaluated as functions of the modifier content. It was found that the addition of diluents led to a significant reduction of both viscosity and Tg. A three-fold increase of IS was obtained with the addition of 2.5% PGE. Moreover, the addition of 15% PGE resulted in about 145% enhancement of the KC parameter. However, the addition of xylene had no significant effect on these properties. Furthermore, the addition of 10% kaolin to epoxy resin gave compositions with the highest fracture toughness. Maximum KC values were obtained with epoxy hybrid compositions containing 10% kaolin and 2.5% PGE and 10% kaolin and 5% PGE respectively. All tested compositions had higher energy at break than non-modified epoxy resin. SEM micrographs of fractured surfaces of modified epoxy compositions revealed the presence of plastic deformations, which can be considered as the main source of the mechanical properties enhancement. 13 Refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF PBMA/SIO2-TIO2 HYBRID FIBRES** > Page Range: p.511-516 > Author(s): Haihong Ma; Tiejun Shi > File size: 315K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101243&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > Silica-titania (SiO2-TiO2) blend sols were prepared via a sol-gel method from tetraethoxylsilane and tetrabutyl titanate. Poly(butyl methacrylate) (PBMA)/SiO2-TiO2 hybrid sols were synthesised through in-situ polymerisation of butyl methacrylate (BMA) in the blend sol. After ageing treatment, PBMA/SiO2-TiO2 hybrid fibres were prepared by drawing from the hybrid sol. The mechanism of the hybrid reaction was studied carefully. The hybrid fibres were characterized by Fourier transform infrared (FT-IR) spectrometry, scanning electron microscopy (SEM), High-resolution transmission electron microscopy (HRTEM), Fluorescence Spectrophotometry (FL), Ultraviolet Visible Spectrometry (UV-Vis) and Thermogravimetric Analysis (TGA). FT-TR results suggested that PBMA was linked to SiO2-TiO2 network through chemical bonds. SEM measurements indicated that the diameter of the fibres was about 50 micrometre, and the whole system was homogeneous. HRTEM images showed that the dimensions of the organic phase were about 50 nm, and the distributions of the organic phase were not very uniform. FL and UV-Vis measurements confirm the fluorescence of the hybrid fibres with improved shielding to UV. TGA measurements suggest that the hybrid fibres show better resistance to heat than pure PBMA. 15 Refs. > > > > --- > > > **Title: STRUCTURES AND MECHANICAL PROPERTIES OF POLYURETHANE/CLAY COMPOSITES PREPARED BY DIFFERENT PRE-MIXING PROCEDURES** > Page Range: p.517-526 > Author(s): Jen-Taut Yeh; Maw-Cherng Suen; Yu-Ching Lai; Hsun-Tsing Lee; Cheng-Chi Chen > File size: 380K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101244&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > A novel method for preparing polyurethane/nano-clay composites was used in this study. The nano-clay was pre-mixed with the various components, such as diphenylmethane diisocyanate (MDI), 2,2-bis(hydroxymethyl) propionic acid (DMPA) or polytetramethyleneglycol (PTMG), of polyurethane (PU) polymer to prepare the composites. The PU/clay composites prepared by this method revealed that the values of the tensile strength at break, the elongation at break, the modulus and the surface roughness for the composite prepared from the pre-mixture of clay and PTMG (PU/clay-PTMG composite) were higher than those for the composite prepared from the pre-mixture of clay and MDI (PU/clay-MDI composite), the composite prepared from the pre-mixture of clay and DMPA (PU/clay-DMPA composite) and PU. The thickness of the crystals for PU/clay-MDI and PU/clay-DMPA composites was larger than that for PU and PU/clay-PTMG; whereas the layer distance of the crystals for PU/clay-MDI and PU/clay-DMPA composites was smaller than those for PU and PU/clay-PTMG. The values of glass transition temperature (Tg) of soft and hard segments were in the order of PU/clay-MDI > PU/clay-DMPA > PU > PU/clay-PTMG. Among the three PU/clay composites prepared by the pre-mixing procedure, PU/clay-MDI and PU/clay-DMPA composites showed significant gathering of the nano-clay in the PU matrix. A possible mechanism of the structural changes under tensile stress was speculated to explain the reason for the higher tensile strength and elongation at break of PU/clay-PTMG composite. The pre-mixing of clay-PTMG was a good procedure for the manufacture of the PU/clay composite, which had higher values of tensile strength and elongation at break. 29 Refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES OF UNPLASTICISED PVC (PVC-U) CONTAINING RICE HUSK AND AN IMPACT MODIFIER** > Page Range: p.527-536 > Author(s): Mazatusziha Ahmad; Abdul Razak Rahmat; Azman Hassan > File size: 510K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101245&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > The objective of this study was to investigate the effects of rice husk and acrylic impact modifiers on the mechanical properties of unplasticised poly(vinyl chloride) (PVC-U) composites. The composites were prepared using a two-roll mill at temperature 165 °C before being hot pressed at 185 °C. The incorporation of rice husk (RH) fillers from 10 to 40 per hundred resin (phr) has increased the flexural and tensile modulus of the unmodified and modified (8 phr impact modifier) PVC-U composite. The flexural strength for both unmodified and modified PVC-U composite was observed to increase until RH loading of 20 phr. However, the tensile and impact strength of PVC-U composite decreased with RH loading. The scanning electron microscopy (SEM) showed that the rice husk fillers agglomerated and unevenly distributed throughout the matrix. The result showed that the impact strength of the filled PVC-U composites (20 phr filler) increased but the tensile and flexural properties decreased with increasing impact modifier content. The formulation containing 8 phr of acrylic impact modifier and 20 phr of RH loading showed the best balance of stiffness and toughness properties. 18 Refs. > > > > --- > > > **Title: PULTRUSION OF COMPOSITE PROFILES – POLYURETHANE (PU) AS ALTERNATIVE MATRIX SYSTEM** > Page Range: p.537-542 > Author(s): Michaeli W > File size: 418K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101246&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 18 > Issue No: No.9 > > **Abstract** > For structural components with high specific mechanical properties frequently parts made of fibre reinforced plastics (FRP) with thermoset matrix systems, oriented reinforcement fibres and high fibre volume contents are used. An established manufacturing technique for the production of composite profiles is the pultrusion process. By custom-designed properties pultruded parts are used for example as load-bearing structures in the building sector or lining elements in the transportation industry1. The pultrusion process is characterized by high laminate qualities, a high degree of automation and an eminent economic efficiency. A further reduction of the production costs can be achieved by the use of alternative matrix systems with comparable material properties by reduced raw material costs and increased processing speeds. By the restricted reactivity of the most commonly used matrix systems the processing speeds are limited. 5 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc19-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: NEW GENERATION AMPHOTERIC COMB-LIKE COPOLYMER SUPERPLASTICIZER AND ITS PROPERTIES Page Range: p.1-8 Author(s): Changwen Miao; Qianping Ran; Jiaping Liu; Yonglin Mao; Yan Shang; Jianfang Sha... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc19-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: NEW GENERATION AMPHOTERIC COMB-LIKE COPOLYMER SUPERPLASTICIZER AND ITS PROPERTIES** > Page Range: p.1-8 > Author(s): Changwen Miao; Qianping Ran; Jiaping Liu; Yonglin Mao; Yan Shang; Jianfang Sha > File size: 331K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101247&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > > > **Abstract** > The incorporation of high performance superplasticisers in concrete is one of the most effective and economic technological methods for achieving sustainable development in the concrete industry. Conventional polyelectrolytetype superplasticisers have some defects, e.g. poor dispersibility, large slump loss, increasing the shrinkage of concrete and pollution when being manufactured. Although the new generation of comb-like polycarboxylate superplasticisers has remarkable benefits in practice, it also has the shortcoming of low saturation dosage. In this study, based on adsorption-dispersion mechanism of dispersant and polyampholyte solution theory, a new class of amphoteric comb-like copolymer superplasticiser (PACP) was designed and synthesised. The effects of PACP on water reduction, setting, compressive strength, hydration and pore structure were investigated systematically. Results show that PACP can be dosed in small amounts to obtain a water reduction up to 45%. The addition of PACP also does not retard cement hydration and significantly increases the compressive strength of hardened concrete at early and ultimate stages. Moreover, PACP can further improve the rate of heat evolution, delays the time to reach the highest hydration temperature and refines the pore structure of hardened cement paste markedly, leading to decreases of porosity and average pore size. 23 Refs. > > > > --- > > > **Title: EFFECTS OF MWNTS-COOH ON THE COMBUSTION BEHAVIOUR AND THE FLAME RETARDANCY PROPERTIES OF PET** > Page Range: p.9-14 > Author(s): Jianjun Zhang; Jingzong Zhang; Quan Ji; Liwen Tan; Yanzhi Xia; Qingshan Kong > File size: 269K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101248&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > **Abstract** > Novel carboxyl-modified MWNTs-containing PET nanocomposites (PET/MWNTs-COOH) were successfully prepared via an in-situ method. Thermal stability and flame-retardancy properties of PET/MWNTs-COOH nanocomposites were investigated by cone calorimetry (CONE), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The CONE calorimetry results showed that PET/MWNTs-COOH had a lower heat release rate (HRR) and total smoke production (TSR), compared with those of pure PET. TGA indicated that the incorporation of MWNTs-COOH increased the char residues and improved the thermal stability of pure PET. SEM images of the char crusts showed that PET/MWNTs-COOH formed more continuous and thicker char residues than those formed with pure PET during combustion. The above results indicated that combustion behaviour and flame retardancy properties of the MWNTs-COOH/PET nanocomposites were sufficiently enhanced that MWNTs-COOH could act as a flame retardancy agent for a PET matrix. Condensed phase and gas phase mechanisms were proposed for the PET/MWNTs-COOH flame-retardancy effect. 20 Refs. > > > > --- > > > **Title: NEAR-INFRARED SPECTROSCOPY AND PRINCIPAL COMPONENTS REGRESSION FOR THE QUALITY ANALYSIS OF GLASS/EPOXY PREPREG** > Page Range: p.15-20 > Author(s): Wei Li; Wei Jia Gao; Ping Chen; Bao Lei Sun > File size: 358K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101249&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > **Abstract** > A near-infrared (NIR) spectroscopic technique associated with a principal components regression (PCR) algorithm has been applied for rapid and nondestructive quality determination of glass/epoxy prepreg. Abundant information of prepreg related with the resin and volatile was observed in the spectra. The raw spectra and first derivative spectra over different spectral ranges were analyzed to obtain the optimum models. The models had correlation coefficients(R) of 0.950 for the volatile content and 0.981 for the resin content. The root mean square errors of prediction (RMSEP) for the volatile content and the resin content were 0.316% and 0.666%, respectively. The NIR spectroscopy method can be used to determine the resin content and the volatile content simultaneously, and the prepreg could be analyzed once within 30 s without sample destruction. 16 Refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF POLYIMIDE/SILICA NANOCOMPOSITES WITH COUPLING AGENT** > Page Range: p.21-28 > Author(s): Shang-Chih Chou; Yao-Yi Cheng; Chi-An Dai > File size: 351K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101250&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > **Abstract** > In this study, silica particles were introduced into a polyimide (PI) matrix to enhance its thermal and mechanical properties. Monomers of 3,3',4,4'-biphenyl tetracarboxylic dianhydride (BPDA) and p-phenylenediamine (p-PDA) were employed to synthesize the poly(amic acid) (PAA). Polyimide/SiO2 composites were obtained through a sol-gel process using tetraethoxysilane and multi-step thermal curing processes. The properties of the PI/SiO2 composites with various kinds of coupling agents to enhance the bonding between them were also studied. TGA results indicated that silica particles were dispersed uniformly in the PI matrix at the nano-scale level, as observed in SEM images. The coefficient of thermal expansion was decreased by an increase of the silica content. 33 Refs. > > > > --- > > > **Title: PLASMA TREATMENT AND ITS EFFECTS ON THE TRIBOLOGICAL BEHAVIOUR OF BASALT/EPOXY WOVEN COMPOSITES IN A MARINE ENVIRONMENT** > Page Range: p.29-34 > Author(s): Kim M H; Rhee K Y; Park S J > File size: 313K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101251&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > **Abstract** > Interfacial debonding at the fibre/matrix interface is known to cause the critical fracture of fibre-reinforced polymer composites (FRPs). Especially in a marine environment, the bonding between fibre and matrix is easily weakened by moisture absorption. In this study, a basalt woven fabric was surface-treated by atmospheric oxygen plasma to improve adhesive force at the fibre/matrix interface and its effects on the wear properties of a basalt/epoxy woven composite in a marine environment were investigated. Ball-on-disk wear tests were performed and scanning electron microscopy (SEM) was used to analyze the wear track. The results indicated that oxygen plasma treatment of a basalt fibre reduced moisture diffusion in basalt/epoxy woven composites; while an untreated specimen took 30 days to reach maximum moisture content, similar moisture content was only observed in the oxygen plasma treated specimen after 40 days. In addition, oxygen plasma treatment of a basalt fibre improved the wear properties of the basalt/epoxy woven composite, and the wear volume of the basalt/epoxy woven composite (prior to moisture absorption) was reduced from 2.95 mm3 to 0.65 mm3. The surface treatment also appeared to cause an increase in the interfacial adhesion between the fibre and resin, thus reducing the debonding of basalt fibres on the wear surface. 17 Refs. > > > > --- > > > **Title: PREPARATION OF LOW MOLECULAR WEIGHT POLY(VINYL ALCOHOL)/MONTMORILLONITE COMPOSITE NANOPARTICLES USING AN ELECTROSPRAYING TECHNIQUE** > Page Range: p.35-40 > Author(s): Sung Min Park; Jae Hyeung Park; Md Shahidul Islam; Jin Hyun Choi; Han Do Ghim; Nam Sik Yoon; Jeong Hyun Yeum > File size: 229K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101252&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > **Abstract** > Composite nanoparticles composed of low molecular weight poly(vinyl alcohol) (LMW-PVA) and montmorillonite (MMT) were prepared using the electrospraying technique by regulating PVA solution concentration. Field emission type scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, reflection type X-ray diffraction and thermal gravimetric analysis were utilized to characterize the LMW-PVA/MMT composite nanoparticles morphology and properties. MMT platelets were exfoliated and well distributed within the composite nanoparticles. It was also found that the thermal stability was enhanced by the addition of MMT. 37 Refs. > > > > --- > > > **Title: FAILURE LOAD OF MECHANICALLY FASTENED IMMERSED COMPOSITE LAMINATED PLATES UNDER A PRELOADED MOMENT** > Page Range: p.41-46 > Author(s): Emre Ciplak; Onur Sayman > File size: 502K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101253&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.1 > > **Abstract** > The effect of water absorption and corrosive sea water on the failure response of an angle ply glass fibre reinforced-epoxy composite oriented as [0/0/90/45]s has been experimentally investigated. The specimens were first tested in unimmersed conditions, and afterwards another group of specimens was immersed in sea water for 200 days. The experiments were performed using some parameters for the pinned and bolted specimens. The specimens were tested under pre-load moments of 3 Nm and 6 Nm. The results point out that the pre-load moments increase the failure load. Moreover, immersion of the composite specimens into the sea water under preload moments can cause a notable decrease of the failure load. 21 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc19-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: ENHANCED CONTINUOUS GLASS FIBRE-REINFORCED POLY(PHTHALAZINONE ETHER SULFONE KETONE) COMPOSITES BY BLENDING POLYETHERIMIDE AND POLYETHERSULFONE Page Range: p.445-450 Author(s): Liang Zheng; Xigao Jian File size: 324K... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc19-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: ENHANCED CONTINUOUS GLASS FIBRE-REINFORCED POLY(PHTHALAZINONE ETHER SULFONE KETONE) COMPOSITES BY BLENDING POLYETHERIMIDE AND POLYETHERSULFONE** > Page Range: p.445-450 > Author(s): Liang Zheng; Xigao Jian > File size: 324K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101346&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > > > **Abstract** > Poly(phthalazinone ether sulphone ketone) (PPESK) is a novel high performance thermoplastic with outstanding high temperature resistance and excellent mechanical properties and therefore, it is a very ideal candidate matrix for advanced composites. However, the high melt viscosity of PPESK makes it difficult to melt-process. In this paper, two well-known high performance thermoplastics, polyetherimide (PEI) and polyethersulphone (PES) were introduced into PPESK in order to reduce its melt viscosity and to improve the properties of its composites. The effect of the addition of PEI and PES on the resultant composites was studied. A series of unidirectional composites was made from PPESK and its PEI and PES blends as matrices and continuous glass fibre as reinforcement. The solution prepregging method and hot-press moulding method were used in the preparation of composites. The effects of the polymer blend matrices on the mechanical properties, interfacial adhesion and fracture mode were studied by three point bending, interlaminar shearing, porosity measurements and SEM microscopy. The results showed that the mechanical properties and interfacial adhesion increased and the porosity decreased after blending PEI or PES in the matrix. Addition of PEI and PES to PPESK also resulted in an obvious transition of fracture mode. 22 Refs. > > > > --- > > > **Title: FLOW INSTABILITY OF POLY(VINYL ALCOHOL)/DIMETHYL SULFOXIDE SOLUTION UNDER STEADY SHEAR** > Page Range: p.451-458 > Author(s): Sung Yeol Do; Chang Yeol Ryu; Yong Rok Lee; Jae Jin Shim; Seok Kyun Noh; Joon Ho Kim; Sang Woo Joo; Yeong Soon Gal; Sung Soo Han; Won Seok Lyoo > File size: 345K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101347&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > The effects of solution temperature and molecular weight on the rheological responses of poly(vinyl alcohol) (PVA) semidilute solutions (13 g/dL - 19 g/dL) in dimethyl sulphoxide (DMSO) have been studied using PVA with two different number-average degrees of polymerisation (Pn): 1700 and 4000. For the rheological experiments using dynamic shear, the PVA solution with a Pn of 1700 showed rather simple Newtonian fluid behaviour, whereas that with Pn of 4000 exhibited non-Newtonian shear thinning behaviour. Steady shear rheology experiments suggested that the lower Pn PVA solutions were Newtonian fluids, which is consistent with the dynamic shear rheology results. However, an abrupt decrease of shear viscosity at high shear rates was observed for the higher Pn PVA solutions at lower temperatures, such as 30 °C and 50 °C. At higher temperatures of 70 °C and 90 °C, the higher molecular weight PVA solutions exhibited simple shear thinning behaviour without any further complications of flow instability. The fact that temperature plays a critical role in controlling the observed flow instability of the PVA solutions in DMSO strongly suggests that there exist enhanced inter-chain interactions by hydrogen bonding of PVA chains beyond the chain entanglements, particularly for the higher Pn PVA semidilute solutions at low temperatures. Therefore, it is important to consider both chain entanglements and hydrogen bonding interactions in order to process PVA solutions without causing undesirable flow instability. 20 Refs. > > > > --- > > > **Title: HYBRID FIBRE REINFORCED EPOXY COMPOSITES FOR PULTRUSION: MECHANICAL AND THERMAL PROPERTIES** > Page Range: p.459-468 > Author(s): Chin-Hsing Chen; Ping-Hung Chen > File size: 406K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101348&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > Hybrid glass/carbon fibre reinforced epoxy (GF/CF/Epoxy) composites have been manufactured by pultrusion processes, in order to obtain the best mechanical properties, thermal properties and optimum price of hybrid GF/CF/Epoxy composites for pultrusion. The static mechanical properties including flexural strength, flexural modulus, notched Izod impact strength and swelling ratio, the dynamic mechanical properties including dynamic storage modulus, E' and tan (delta)(Tg), and the thermal properties including of weight loss by TGA of pultruded hybrid GF/CF/Epoxy composites were investigated. The results showed that the flexural modulus increased with the increasing of carbon fibre content. The flexural strength, notched Izod impact strength and swelling ratio of pultruded composites decreased with increasing carbon fibre content. The E' of pultruded composites increased with the carbon fibre content, postcuring temperature and postcuring time. The peak of tan (delta) for pultruded composites was shifted to a higher temperature when the carbon fibre content, postcuring temperature, and postcuring time were increased. From TGA, the weight loss of pultruded composites decreased with the carbon fibre content, postcuring temperature, and postcuring time in an inert (N2 gas) atmosphere, and the char yield increased with the carbon fibre content, postcuring temperature, and postcuring time. From the SEM morphology, excellent wet-out of the hybrid fibre by the epoxy resin could be observed. 24 Refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF POLY(ETHYLENE TEREPHTHALATE)/BOEHMITE NANOCOMPOSITES** > Page Range: p.469-476 > Author(s): Jianjun Zhang; Quan Ji; Ping Zhang; Qingshan Kong; Yanzhi Xia > File size: 469K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101349&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > The morphology, flame retardancy and non-isothermal crystallisation behaviour of pure PET and poly(ethylene terephthalate)/nano-boehmite composites (PET/AlOOH) prepared in situ were characterized using several techniques. The morphology of the nanocomposites carried out using transmission electron microscopy (TEM) showed that the nano-boehmite particles were uniformly dispersed in the polymer matrix and formed crosslinked structures. Combustion behaviour and flammability were assessed using cone calorimetry (CONE). The results indicated that the total heat release (THR) and smoke production rate of PET/AlOOH were significantly less than those of pure PET. Study of the behaviour and kinetics of non-isothermal crystallisation of pure PET and PET/AlOOH nanocomposites was accomplished by DSC analysis. The results showed that the AlOOH could act as an effective nucleation agent for the crystallisation of PET, while the presence of boehmite decreased the crystallisation rate and extended the time of crystallisation of PET, which can be explained by the formation of partly-crosslinked structure of PET/AlOOH nanocomposites. 18 Refs. > > > > --- > > > **Title: EXPERIMENTAL INVESTIGATION OF THE LONGITUDINAL COMPRESSIVE STRENGTH OF CARBON FIBRES WITH A DIRECT MEASUREMENT SYSTEM** > Page Range: p.477-484 > Author(s): Zhang Boming; Wu Yufen; Yang Zhong; Wang Xiaohong > File size: 422K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101350&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > Characterisation of the mechanical properties of carbon fibres is crucial to the design of fibre reinforced composite materials. However, little has been done due to the complexity and inaccuracy of some of the necessary tests. In order to study the compressive properties of single fibres, a direct system for single carbon fibre compressive strength was set up based on previous studies; several kind of PAN-based carbon fibres were examined at specimen gauge lengths from 20 to 150 micrometre using this system. It was discovered that the experimental compressive strength was constant when the length of carbon was in the range of 20~90 micrometre; when the sample's length was beyond 90 micrometre, the compressive strength decreased sharply. The reason is that its deformation mode was not compressive but buckling. In order to compare with corresponding tensile behaviour, a tensile strength test was also carried out, and it was discovered that the compressive strength was about 50% of the tensile strength for single fibres. 20 Refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF N-(CARBOXY-METHYLTHIOUREIDO)-CHITOSAN AND ITS DISPERSION CAPABILITY** > Page Range: p.485-490 > Author(s): Liu J; Min Wu Y; Li Nie Z > File size: 287K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101351&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > Water-soluble N-carboxymethylthioureidochitosan (CMTC) was synthesised by the reaction between chitosan (CTS) and ammonium thiocyanate and chloroacetic acid in a hydrochloric acid aqueous solution. The modified product was confirmed by Fourier transform infrared (FTIR) spectrometry, X-ray diffractometry (XRD) and thermal analysis. The results showed that new functional groups had been linked to amino groups of CTS molecules, and the product was more amorphous than CTS. The dispersion stability of CMTC was examined with a sedimentation test of 1 wt.% kaolin suspension in test tubes, under different concentrations and different pH. The results indicated that CMTC may be applicable for use as a novel stabiliser in neutral solution in which the concentration of CMTC is 0.5% or 1%. 25 Refs. > > > > --- > > > **Title: COMBUSTION BEHAVIOUR AND SYNERGISTIC EFFECT OF ZINC BORATE AND MICROENCAPSULATED RED PHOSPHORUS WITH MAGNESIUM HYDROXIDE IN FLAME-RETARDED POLYPROPYLENE COMPOSITES** > Page Range: p.491-496 > Author(s): Xiaolang Chen; Jie Yu; Jun Qin; Zhu Luo; Shuchun Hu; Min He > File size: 284K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101352&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > In this paper, the limiting oxygen index (LOI), Underwriters' Laboratories-94 (UL-94) test, cone calorimeter test (CCT), and thermogravimetric analysis (TGA) were used to study the flame-retardant properties of polypropylene (PP) composites and the synergistic flame-retardant effects of zinc borate (ZB) and/or microencapsulated red phosphorus (MRP) with modified magnesium hydroxide (MH) on PP. The experimental results showed that the addition of ZB and MRP had a great effect on the flammability of the PP composites. The data obtained from the CCT indicated that the heat release rate (HRR), the effective heat of combustion (EHC), and the mass loss of the flame-retarded PP composites decreased markedly with increasing addition of ZB and/or MRP. The data obtained from the TGA curves indicated that the thermal stabilities of PP/MH/ZB and PP/MH/ZB/MRP composites were better than those of PP/MH composites. 28 Refs. > > > > --- > > > **Title: MODULATING CHROMIUM CONTAINING LEATHER WASTES INTO IMPROVED COMPOSITE SHEETS USING POLYDIMETHYLSILOXANE** > Page Range: p.497-504 > Author(s): Ashokkumar M; Thanikaivelan P; Chandrasekaran B > File size: 298K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101353&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > Huge quantities of chrome-tanned leather wastes are produced every year from leather, footwear and clothing related industries. Many attempts have been made to reuse them in the form of boards, sheets, composites, etc. However, most of those methods have deficiencies such as low flexibility, cost effectiveness, non-eco-friendly, stringent process control and unacceptable properties. Our current work relies on an alternate method of reusing these wastes to form composite sheets with desirable characteristics. The waste chrome shavings were partially hydrolyzed and made into composite sheets using an eco-friendly polydimethylsiloxane (PDMS) polymer. The sheets were characterized for their mechanical, thermal and morphological properties. The tensile and thermal properties of composite sheets increase gradually upon increase in PDMS concentration up to 20 wt.% followed by an abrupt decrease when the PDMS concentration increased further to 30 and 40 wt.%. The softness of sheets has an inverse relationship with tensile stress and directly proportional to the elongation values. Fourier transformed infrared (FTIR) analysis of composite sheets revealed the presence of dominant peaks corresponding to amide bands of collagen as well as characteristic bands of PDMS, showing the homogeneity of the developed composite sheets. Thus the developed composite sheets demonstrate potential for numerous applications in footwear, clothing and related industries. 50 Refs. > > > > --- > > > **Title: STUDIES ON ANALYSIS AND CHARACTERIZATION OF PHENOLIC COMPOSITES FABRICATED FROM LIGNOCELLULOSIC FIBRES** > Page Range: p.505-512 > Author(s): Vijay Kumar Thakur; Amar Singh Singha; Inderjeet Kaur; Ramkumar Pudukotai Nagarajarao; Yang Liping > File size: 375K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101354&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.6 > > **Abstract** > The use of lignocellulosic natural fibres has gained a growing interest during the last few years, principally due to many advantages these fibres can provide in terms of cost, renewability, biodegradability, aesthetic properties, environmental impact etc. Keeping in mind the immense advantages of natural fibres, the present communication is a study on the synthesis and characterisation of lignocellulosic Saccaharum cilliare fibre-reinforced polymer biocomposites through compression-moulding technique using phenol-formaldehyde (PF) resin as a novel polymer matrix. The effect of fibre loading on the mechanical, morphological and thermal properties of cellulose fibre reinforced biocomposites has been investigated. Mechanical properties such as tensile strength, flexural strength, compressive strength and wear resistance of fibre-reinforced polymer composites have been investigated as a function of fibre loading. Reinforcing of the polymer resin with lignocellulosic fibres was done in the particle (200 micron) form. The intact polymer biocomposites fabricated showed a common trend of enhancement in the mechanical properties with fibre loadings up to 30%, and beyond this loading the properties decreased. Fibre/ matrix interaction has been analyzed by mechanical and morphological (SEM) studies. Thermal (TGA/ DTA/ DTG) studies have also been carried out on the PF matrix, Saccaharum ciliare fibre and particle-reinforced (P-Rnf) biocomposites. 30 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc19-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EFFECT OF INJECTION SLOT LOCATION ON DIE-DETACHED TAPERED INJECTION CHAMBER IN RESIN INJECTION PULTRUSION Page Range: p.513-526 Author(s): Jeswani A L; Roux J A File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc19-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EFFECT OF INJECTION SLOT LOCATION ON DIE-DETACHED TAPERED INJECTION CHAMBER IN RESIN INJECTION PULTRUSION** > Page Range: p.513-526 > Author(s): Jeswani A L; Roux J A > File size: 723K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101392&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > > > **Abstract** > This study seeks to continuously improve the wetout and thus the quality and productivity of pultruded parts for the tapered injection pultrusion process for an injection chamber 'detached' from the pultrusion die. Complete wetout of the dry fibre reinforcement by the liquid resin depends strongly on the axial location of the injection slot within the injection chamber. This investigation was conducted for a high pull speed with a fibre volume fraction and resin viscosity for a nominal polyester/glass roving composite. A 3-D finite volume technique was developed to simulate the flow of polyester resin through the glass rovings. The results show the impact of the axial location of the injection slot on the minimum injection pressure necessary to achieve complete fibre matrix wetout and the resin pressure within the injection chamber for a tapered injection chamber which is 'detached' upstream of the pultrusion die. Injection chamber design information is presented. 18 Refs. > > > > --- > > > **Title: CHARACTERIZATION AND MODELLING OF HYGROTHERMAL EFFECTS IN THERMOPLASTIC NANOCOMPOSITES** > Page Range: p.527-542 > Author(s): Samit Roy; Kameshwaran Narasimhan > File size: 667K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101393&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > The hygrothermal and mechanical characterisation of continuous fibre-reinforced nanocomposites in compression moulded E-Glass fibre-reinforced in polyamide-6 or nylon-6 matrix with and without different weight addition of nanoclay have been performed. E-Glass/Nylon-6 nanocomposite was characterized by means of X-Ray Diffraction to determine the nanoclay dispersion morphology. Significant improvement were achieved in compressive strength, shear strength and barrier properties with relatively low nanoclay loadings. The baseline and nanoclay modified E-Glass/Nylon-6 specimens were immersed in de-ionized water at 50 degrees C and aged hygrothermally. Mechanical tests on unaged E-Glass/Nylon-6 nanocomposite confirmed strength enhancement with nanoclay addition, with a significant improvement in compressive strength (50% at 4 wt.% nanoclay loading) and shear strength (~36% at 4 wt.% nanoclay loading). Mechanical tests on hygrothermally aged E-Glass/Nylon-6 modified with 4 wt.% nanoclay loading showed that hydrothermal degradation is drastically reduced with a significant reduction (~30%) in moisture uptake compared to baseline E-Glass/Nylon-6 composites. An analytical model is developed to capture the diffusion mechanism and attribute the change in diffusivity and moisture uptake with weight addition of nanoclay to tortuosity and reduction in free volume created by the presence of nanoclay. The loss in change in free volume computed using Atomic Force Microscopy images is compared with analytical model. 30 Refs. > > > > --- > > > **Title: DAMAGE MECHANISMS IN HEMP-FIBRE WOVEN FABRIC COMPOSITE, AND COMPARISON WITH GLASS-FIBRE COMPOSITE** > Page Range: p.543-552 > Author(s): Bonnafous C; Touchard F; Chocinski-Arnault L > File size: 595K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101394&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > This paper deals with hemp-fibre and glass-fibre woven fabric/epoxy composites. The aim is to analyse damage mechanisms in these composites by comparing three different methods: acoustic emission, microscopic observations and stiffness loss measurement. For acoustic emission (AE), an experimental multi-scale analysis was developed in order to identify the different damage mechanisms. Tensile tests were performed on single yarn, neat epoxy resin and composite materials to determine their AE amplitude signatures. A statistical analysis of AE amplitude signals was realised and correlated with microscopic observations. This study has enabled to identify the amplitude and to track, during tensile tests, three types of damage in these composites: matrix cracking, interfacial debonding and reinforcement fracture. It shows the different processes of damage development in natural fibre reinforced composites, in comparison with glass fibre composites. These results were compared to the measured stiffness loss of composites. It allows one to highlight the difficulty to link this mechanical damage parameter with physical AE events. 35 Refs. > > > > --- > > > **Title: LOW ENERGY IMPACT INDENTATION OF AN EPOXY-CARBON FIBER LAMINATE** > Page Range: p.553-558 > Author(s): Martinez A B; Xiang G; Arencon D; Velasco J I > File size: 432K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101395&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > The impact event involves the motion of the specimen, the motion of the striker and the local indentation in the contact zone. In order to study the effect of the local indentation, epoxy-carbon fibre laminate specimens supported on a very rigid steel plate, were subjected to low energy impacts in an instrumented falling weight dotted with an instrumented striker with an hemispherical head. The obtained restitution coefficients show that the energy absorption by indentation is not negligible. It has been developed a lumped mass spring model based in the Hertz law which agrees with the experimental contact forces, indenter displacements and restitution coefficient, which give a very good fitting. This non-conservative model allowed assessment of the Young's modulus at these relatively high strain rates. 8 Refs. > > > > --- > > > **Title: ENVIRONMENTAL DEGRADATION OF STARCH/POLY(LACTIC ACID) COMPOSITE IN SEAWATER** > Page Range: p.559-566 > Author(s): Xiaolei Chen; Lumin Wang; Jiangao Shi; Hang Shi; Yongli Liu > File size: 324K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101396&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > In order to study the degradation property of starch/polylactic acid (PLA) composites in a briny environment, injection-moulded tensile bars of starch/PLA composites were investigated by immersion in static seawater controlled at 25 degrees C for 1 year. SEM micrographs showed that starch particles were lost from the bar because of microbial action. GPC results showed the number average molecular weight (Mn) of PLA decreased with degradation time. The glass transition temperature (Tg) and melting temperature (Tm) measured by DSC decreased slightly with degradation time. An increase of crystallinity calculated from the DSC data was attributed to the decrease of molecular weight. Weight losses were mainly due to loss of starch. The impact strength of the composites decreased monotonically with degradation time; tensile strength and elongation at break of the composites first decreased, then increased and at last decreased again with degradation time, and the water was acting as a plasticiser. The starch/PLA composites in seawater had degradability, but the degradation rate of composite bars studied in this paper was very slow. 23 Refs. > > > > --- > > > **Title: THE INFLUENCE OF THE EXTRUSION TEMPERATURE ON THE MECHANICAL PROPERTIES OF MMT FILLED PA 6 COMPOSITE** > Page Range: p.567-572 > Author(s): Meszaros L; Olah L; Ronkay F; Czvikovszky T > File size: 383K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101397&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > Effects of varying extrusion temperatures on the mechanical properties of polyamide 6 (PA 6) matrix montmorillonite (MMT) filled composites were investigated in this paper. Five different temperature programs were used for producing composites with 1 wt.% nanoparticles content. The mechanical properties were evaluated by tensile and flexural tests and SEM pictures were taken from the fracture surfaces. X-ray diffraction patterns were also measured to obtain some information about the structures of the materials. The results showed that the lower extrusion temperatures resulted in better mechanical properties of the composite. 13 Refs. > > > > --- > > > **Title: CHARACTERIZATION OF CHITOSAN-HYALURONIC ACID BLENDED MEMBRANES AND THEIR EFFECTS ON THE GROWTH OF KERATOCYTES** > Page Range: p.573-580 > Author(s): Zi-Ang Yao; Hai-Ge Wu > File size: 523K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101398&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > In order to construct a suitable scaffold for corneal cell culture and transplantation in vitro, various chitosanhyaluronic acid blended membranes were prepared, and the properties of the blended membranes were studied. Rabbit keratocytes were seeded onto the blended membrane surfaces and the effects of the blended membranes on cell attachment and metabolism were investigated. The results showed that chitosan and hyaluronic acid (HA) were compatible in blended membranes. HA improved the homogeneity, crystallisation and transparency, and decreased the tensile strength and hydrophilicity of blended membranes within the blending ratio of 1:0.05. Under the blending ratio of 1:0.02, HA reduced the harm that the chitosan membrane caused the cells and improved the biocompatibility between cells and membranes. Rabbit keratocytes grew and formed a confluent monolayer on the chitosan-hyaluronic acid blended membrane within a blending ratio of 1:0.02. All the results indicated that chitosan and HA were compatible within the blending ratio of 1:0.02, and the blended membranes had homogeneous structure, suitable physicochemical properties and biocompatibility with cells, this implied that the blended membranes could be used as a scaffold for corneal cell culture in vitro and as a potential carrier for corneal endothelial cell transplantation. 14 Refs. > > > > --- > > > **Title: A KINETIC MODEL OF ALKALI CATALYZED PHENOL-FURFURAL NOVALAC RESINIFICATION** > Page Range: p.581-586 > Author(s): Sanjeev Ahuja; Daljit Singh > File size: 289K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101399&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > In this paper, experimental studies were carried out on the preparation of phenol-furfural novalac resins in the presence of potassium carbonate catalyst with a wide range of furfural to phenol (F/P) mole ratios in the feed. A reaction scheme, applicable to alkali catalyzed phenol-furfural novalac resins, was postulated. A model was developed by the lumping of the different reactivities of the sites of phenol into their functionalities. The effects of the mole ratio of the reactants and the functionality of the phenol on the rate constant were examined. 19 Refs. > > > > --- > > > **Title: PHOTOPOLYMERIZATION OF BIS(4-METHACRYLOYLMETHYLPHENYL)SULFIDE AND BIS(4-METHACRYLOYLMETHYLPHENYL)SULFONE WITH VINYL MONOMERS AND PROPERTIES OF THE PREPARED COPOLYMERS** > Page Range: p.587-592 > Author(s): Wieslaw Rudz; Gawdzik B > File size: 232K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101400&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > The reaction of photopolymerisation of bis(4-methacryloylmethylphenyl)sulphide (BMcMPhS) and bis(4methacryloylmethylphenyl)sulphone (BMcMPhSu) with the typical vinyl monomers: methyl methacrylate (MMA) and styrene (St) in the presence of the two photoinitiators: Irgacure 651 and Darocur 1173 are presented. The influence of percentage concentration of BMcMPhS and BMcMPhSu on the gelation times of the prepared copolymers was studied. The effect of the used photoinitiator concentrations on gelation times was also investigated. For the chosen copolymers, mechanical properties including tensile strength, elongation at break, Young modulus, Brinell's and Shore's hardness were determined. The results showed that copolymers with MMA had shorter gelation times than those with St. Gelation times were shorter when Darocur 1173 was used as a photoinitiator. An increase of Darocur 1173 concentration caused a decrease of gelation times, whereas in the case of Irgacure 651 the opposite relation was observed. 26 Refs. > > > > --- > > > **Title: REINFORCED RUBBER WITH IONIC LIQUID MODIFIED CARBON BLACK** > Page Range: p.593-602 > Author(s): Yanda Lei; Baochun Guo; Xiaoliang Liu; Demin Jia > File size: 464K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101401&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > The ionic liquid, 1-butyl-3-methylimidazole hexafluorophosphate (BmimPF6), was utilized to modify carbon black (CB) via microwave (MW) irradiation. The conditions for the preparation of the modified CB (m-CB) were optimized. The reinforceability of the m-CB in styrene-butadiene rubber (SBR), butadiene rubber (BR) and nitrile rubber (NBR) composites were evaluated. The curing behaviour, morphology and tensile properties of the rubber/m-CB composites were studied and compared with those of composites filled with unmodified CB. Rubber/m-CB compounds showed a significant increase in the curing rate for a generated zinc complex with the alkylimidazoles. Compared with CB, m-CB exhibited a significantly improved reinforceability of the rubbers at lower filler loading, although the mechanical properties were changed slightly at higher filler loading. A possible mechanism was proposed, based on the molecular slippage theory in which the interfacial bonding, the filler loading and the chain flexibility of the rubber molecules were all considered. 43 Refs. > > > > --- > > > **Title: RHEOLOGY, MORPHOLOGY AND MECHANICAL PROPERTY RELATIONSHIP OF NON-HALOGEN FLAME RETARDED GLASS FIBRE REINFORCED POLYAMIDE 66** > Page Range: p.603-610 > Author(s): Liping Li; Bin Li > File size: 394K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101402&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > In this study, the rheological behaviour of polyamide 66 (PA 66) composites consisting of flame retardant (FR)MPP, glass fibre (GF) was characterized with a capillary rheometer at different shear rates. The effect of the shear rate on the viscosity and flow curve was discussed in terms of the power law index for non-Newtonian flow. The effect of the loading level of flame retardant on the rheological properties was studied. The results showed that MPP modified the interfacial interaction between PA 66 and glass fibre. The PA 66/GF/MPP composite behaviour as shear thinning flow under the experimental conditions was investigated, and the investigation of activation energy showed that the proper processing temperature was 275 degrees C for PA 66/GF/MPP. The morphology of the samples observed by scanning electron microscopy was consistent with the predictions from rheological results. The influence of rheology and morphology on the mechanical properties was also examined. It was found that mechanical strength of the composites was improved within a certain range of contents. 17 Refs. > > > > --- > > > **Title: SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF AMPHIPHILIC COPOLYMER DERIVATIVES** > Page Range: p.611-618 > Author(s): Yongxiao Bai; Yaobin Liu; Yanfeng Li; Caiping Chang; Qi Zhang > File size: 397K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101403&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > A series of antimicrobial amphiphilic quaternised copolymers are synthesised through glycidyl methacrylate and styrene after poly(glycidyl methacrylate-co-styrene) modified by introduction of chloroethylic groups using chloroacetyl chloride. The antimicrobial activity of the obtained copolymers was evaluated against the gram-negative bacteria Escherichia coli, the gram-positive bacteria Bacillus subtilus, Staphyloccocus aureus Rosenbach and the fungus Monilia albican by the cut-plug method and Luria-Bertani broth suspended method. The research showed that the copolymer with the molar ratio of monomers 30:70 was the most effective against the microorganisms. The minimum inhibitory concentration (MIC) values of the polymer with against Staphyloccocus aureus Rosenbach and Monilia albican were found to be 31.3 and 32.1 (mu) g/mL, respectively, and these copolymers did not have any haemolytic action for mammalian erythrocytes. 36 Refs. > > > > --- > > > **Title: THEORETICAL AND EXPERIMENTAL INVESTIGATION ON HELIUM LEAKAGE CHARACTERIZATION OF FLEXIBLE FILM-FABRIC LAMINATED COMPOSITES** > Page Range: p.619-624 > Author(s): Xue Feng Yao; Qing Wu; Chao Xiong; Pin Jing Wen; Hui Feng Tan > File size: 349K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101404&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 19 > Issue No: No.7 > > **Abstract** > Flexible film-fabric laminated composites with low-density and high-performance are important envelope materials in stratosphere aerostats. In this paper, a multilayer leak model is used to predict the helium leak rate of the virgin samples by the Fick's law, which shows a good agreement with experimental data. The influences of mechanical damage, ultraviolet radiation and intense ozone corrosion on the Young's modulus and the permeability of envelop materials are investigated in experiment, which are confirmed by means of damage-induced helium leakage models. Finally, helium leakage mechanisms of flexible film-fabric laminated composites are analyzed. 9 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-1-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: PREPARING AND STRUCTURE OF A POROUS NANO-HA/CS/PVA COMPOSITE BY FREEZE-DRYING Page Range: p.1-4 Author(s): Feng Wang; Enyan Guo File size: 308K Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-1-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: PREPARING AND STRUCTURE OF A POROUS NANO-HA/CS/PVA COMPOSITE BY FREEZE-DRYING** > Page Range: p.1-4 > Author(s): Feng Wang; Enyan Guo > File size: 308K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101530&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > > > **Abstract** > Novel tissue engineering scaffold material porous hydroxyapatite, with interconnected pores, allows tissue fluid circulation and provides nutrient for new bone. In the work, Nano-HA /CS/PVA composites were prepared through a co-precipitation method with (NH4)2HPO4, Ca(NO3)2.4H2O, chitosan(CS) and polyvinyl alcohol (PVA) as raw materials. Frozen with liquid nitrogen, and then the porous scaffolds were fabricated by freeze-drying. Fourier transform infrared spectroscopy (FT-IR) confirmed the presence of chemical bonds among HA, CS and PVA and were discussed. Scanning electron microscopy (SEM) analysis revealed that the composites have interconnected porous structures. 14 Refs. > > > > --- > > > **Title: FINITE ELEMENT ANALYSIS OF CONTROLLED DRUG RELEASE BASED ON BIPHASIC MODEL OF HYDROGEL CARRIER** > Page Range: p.5-8 > Author(s): Yanyan Zhang; Yuxi Jia > File size: 471K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101531&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Over the past few decades, many efforts have been made in the research of controlled drug release systems, which is an effective way to solve the problem of poor curative effect. Due to their excellent biocompatibility, hydrogels have a wide application as promising drug carrier materials in pharmaceutical domain. In this paper, a new mathematical model was established based on the multiphasic theory of hydrogels, and a commercial finite element solver was adopted to implement the simulation of drug release from a swollen hydrogel. Simulated results show that the swelling of the hydrogel carrier begins from the edge to the centre, and the drug release is initially anomalous transport followed by Fickian diffusion when the swelling of the hydrogel approaches to a new equilibrium state. 11 Refs. > > > > --- > > > **Title: FLUORESCENCE OF A NEW PHENANTHROLIN DERIVATIVE SENSITIVE TO DNA INDUCED BY SINGLE- AND TWO-PHOTON EXCITATION** > Page Range: p.9-12 > Author(s): Zhang Xian; Xie Rui-xing; Yao Jin-shui; Meng Xiang-long; Liu Ying-kai; Yu Xiao-qiang; Jiang Min-hua > File size: 339K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101532&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > A novel two-photon absorption (TPA) material with phenanthrolin as acceptor (BSIPB) has been firstly synthesised and studied as possible fluorescence probe for nucleic acids detection. The single-photon and two photon fluorescence properties of the dye in the unbound state and in DNA complexes were investigated. Some quantum yields and TPA cross sections at important points were calculated. The results showed that BSIPB can be used as an efficient fluorescent probes for DNA detection and imaging under both single-photon excitation (SPE) and two-photon excitation (TPE). 19 Refs. > > > > --- > > > **Title: A NOVEL LIGHT-EMITTING CONJUGATED COPOLYMER BASED ON 1,4-DIETHOXYBENZENE AND 3-METHYLTHIOPHENE VIA ELECTROCHEMICAL POLYMERIZATION** > Page Range: p.13-20 > Author(s): Yujian Zhang; Chunhui Yu; Mi Ouyang; Nachuan Wang; Cheng Zhang > File size: 436K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101533&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > A novel light-emitting conjugated copolymer based on 1, 4-diethoxybenzene (DEB) and 3-methylthiophene (MTh) is polymerized electrochemically in acetonitrile containing tetrabutylammonium perchlorate by the direct oxidation of DEB/MTh mixtures. The structure, morphology and electrochemical properties of the obtained copolymer are investigated by Fourier transform infrared spectroscopy, 1H NMR spectrometer, scanning electron microscopy and cyclic voltammetry. The results confirm the achievement of DEB/MTh copolymerisation. UVvis spectra show that the absorption peak of the copolymer red shifts gradually with the decrease of DEB/MTh monomer feed ratio and the applied potential. Moreover, photoluminescence spectra of the copolymer exhibit great change in emission colour from pale blue to pale green with the variety of ratio of two monomers. Therefore, monomer feed ratio and polymerisation potential play important roles in the optical properties of copolymers. 41 Refs. > > > > --- > > > **Title: TUNING THE EMISSION COLOR OF CONJUGATED POLYMERS VIA OXIDATION COPOLYMERIZATION OF FLUORENE AND 3,4-ETHYLENEDIOXYTHIOPHENE** > Page Range: p.21-26 > Author(s): Mi Ouyang; Wen-qin Xiang; Yi Xu; Yu-jian Zhang; Qian-ping Lou; Cheng Zhang > File size: 279K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101534&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In this paper, 3,4-ethylenedioxythiophene (EDOT)units are introduced to polyfluorene via chemical oxidation polymerisation. FTIR and 1H NMR spectra results confirm that the products are copolymers. Elemental analysis results show that the EDOT content in obtained copolymers increases as the feed ratio of EDOT/fluorene increases. UV-vis and PL spectra results show that the wavelengths of absorption peaks and emission peaks present obviously red-shift with the increase of EDOT content (Figure 2). In addition, the emission colours of resulting copolymers could be tailored between blue and green via changing the feed ratio of 9,9'-dibutylfluorene (DBF)/EDOT. 30 Refs. > > > > --- > > > **Title: SYNTHESIS AND OPTOELECTRONIC PROPERTIES OF NOVEL FLUORENE-BASED COPOLYMER FOR RED LIGHT-EMITTING DIODES** > Page Range: p.27-32 > Author(s): Zhitian Liu; Shuangqiang Hu; Baolong Yang; Shuangquan Wu; Zixing Wang; Chi Zhang; Zhao Hu > File size: 277K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101535&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Novel copolymer derived from ethoxylated fluorene and 4,7-dithienyl-2,1,3-benzothiadiazole was successfully synthesised by palladium(0)-catalyzed Suziki coupling reactions. Optoelectronic properties of the copolymer were characterized by elemental analysis, NMR, UV absorption, photoluminescence (PL), and electroluminescence (EL). The films of the copolymer showed DBT-dominant red emissions. EL devices of the copolymer with a sandwich configuration of ITO/Polymer/Al displayed exclusive DBT emissions peaked at around 655 nm with the CIE coordinate of (0.67, 0.32). The polymer layer contained a conjugated copolymer that emits red light, trimethylolpropane trimethacrylate (TMPTMA), a low vapour pressure highly crosslinkable liquid, and lithium trifluoromethane sulphonate (LiTf) at a weight ratio of 20:40:1. A dynamic p-i-n junction was formed in thin films of light emitting polymers admixed with an ionically conductive medium. The PLEC device was turned on at relative low voltage 3.2 V and the brightness reached up to 1200 cd/m2 at 8 V. 24 Refs. > > > > --- > > > **Title: AN AE INVESTIGATION ON BENDING FAILURE PROCESS OF CONCRETE FILLED CFRP-STEEL TUBE** > Page Range: p.33-40 > Author(s): Liwei Zhang; Yinghua Zhao; Jiang A; Yilie Hou > File size: 441K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101536&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > A four-point bending test is performed for concrete filled square steel tubular beams strengthened by CFRP in longitudinal and circumferential directions. The mechanical parameters and acoustic emission (AE) signals are acquired for investigating the failure process. Test results indicate that the failure process could be divided into four stages including elastic, elastic-plastic, descending and softening stages, and AE parameters and waveforms are found to characterize this process properly. In addition, damage sources of the specimen are localized and position concentration degree (PCD) of AE events is defined which can quantitatively reflect the distributing regularity of damage sources along the axial direction under different loading conditions. The research suggests that, acoustic emission sensing technique can be used as an effective tool for on-line monitoring of damage degree and failure process of concrete filled CFRP-steel tube under bending load. 13 Refs. > > > > --- > > > **Title: MISCIBILITY INVESTIGATION OF POLYCARBONATE/POLY(ARYLETHER KETONE) CONTAINING 1,4-NAPHTHALENE BLENDS** > Page Range: p.41-44 > Author(s): Dong Jiang; Xiao-Ran Zhang; Yan-Mei Ma; Zhong-Dong Wang > File size: 356K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101537&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The blends of polycarbonate (PC) and Poly (aryl ether ketone) containing 1,4-Naphthalene (NA-PAEK) were prepared by melt mixing in a Brabender-like apparatus. The specimens for measurements were made by compression moulding under pressure and then were water-quenched at room temperature. The miscibility behaviour of PC with NA-PAEK was examined using differential scanning calorimeter (DSC), scanning electron microscope (SEM), and density. 8 Refs. > > > > --- > > > **Title: VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB** > Page Range: p.45-52 > Author(s): Jin-tao Lei; Jian-kang Chen; Ming-hua Zhang > File size: 590K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101538&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In order to detect the variation of electro-conductive property of short steel fibre (SSF) filled polyamide-6 (PA6) under impact loading, a modified split Hopkinson pressure bar (M-SHPB) is suggested. Such M-SHPB is constructed by designing a new test electrocircuit, and connecting it to the specimen and oscillograph. On the other hand, a copper foil cover is designed and placed on the whole SHPB equipment for avoiding interference of electromagnetic wave existing in the testing environment. By means of M-SHPB, the relation between the resistance and dynamic stress or dynamic strain is effectively detected. The experimental results indicate that the resistance of the material decreases with the increase of strain or stress. The sensitive variation of the resistance appears at the beginning of the deformation of the material. 16 Refs. > > > > --- > > > **Title: SWELLING BEHAVIOR STUDY OF PHYSICALLY CROSSLINKED GELATIN HYDROGELS** > Page Range: p.53-58 > Author(s): Congde Qiao; Xiaolu Cao; Fei Wang > File size: 217K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101539&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > A series of physically crosslinked gelatin networks were prepared and the effects of salt, pH, temperature and polymer concentration on the swelling properties of gelatin hydrogels were studied in detail. The swelling equilibrium of the gelatin networks can be described as a simple superposition of polyelectrolyte behaviour and polyampholyte behaviour. It was found that high temperature, low gelatin concentration and deviation from the isoelectric point can promote the swelling of the polymer networks. Moreover, the swelling kinetics of gelatin hydrogels at different salt concentration solutions was also investigated. It is found that the rate of swelling of gelatin could be described by a second-order rate equation, which indicated that the structure of the gelatin networks is homogenous. 18 Refs. > > > > --- > > > **Title: PREPARATION AND CHARACTERIZATION OF POLY(VINYL ALCOHOL) BASED POLYAMPHOLYTE MEMBRANE** > Page Range: p.59-62 > Author(s): Lijuan Yu; Pingrui Meng; Shenghuan Liu; Xiaohui Wang; Yanmei Zhang; Haoqiang Yu > File size: 283K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101540&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Poly(vinyl alcohol)-g-poly(sodium allylsulphonate/acrylamide) (PVA-g-PSAS/AM) were synthesised by free radical polymerisation. The PVA-g-PSAS/AM was degraded into poly(vinyl alcohol)-g-poly(sodium allylsulphonate/ vinylamine) (PVA-g-PSAS/VA), which was PVA based polyampholyte (PBPA). The PBPA homogeneous membrane was characterized by FT-IR and SEM. The isoelectric point of PBPA was pH=6. Surface hydrophilicity of membranes was examined by automated contact angle measurement device. At 90 degrees C, the PBPA membrane showed a separation factor of 991 and a flux of 1140 g/(m2(.)h) for 90 wt.% ethanol aqueous solution, while about 1491 and 970 g/(m2(.)h) for 90 wt.% isopropanol aqueous solution. 8 Refs. > > > > --- > > > **Title: PREPARATION OF EPOXY SIZING AGENT FOR CARBON FIBER BY PHASE INVERSION EMULSIFICATION** > Page Range: p.63-68 > Author(s): Jianye Liu; Heyi Ge; Juan Chen; Huashi Liu > File size: 293K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101541&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The epoxy resin and epoxidised polybutadiene were used to prepare the emulsion type epoxy sizing agent for carbon fibre by phase inversion emulsification method. Effects of weight ratio of mixed emulsifiers and emulsifiers/resin (/e/r), shear rate and dripping speed of water on properties of emulsion were investigated by centrifugal sedimentation analysis, particle size analysis and zeta potential measurement. Results showed that the optimal emulsion was obtained when weight ratio of polyoxyethylene nonylphenol phosphoric ammonium (NP-10A) and polyoxyethylene styrenated phenol ether (602) was 2:1, (e/r was 12%, shear rate was 10000 r/min. Conductivity of emulsion by different Ce/r was also investigated to represent the variation of conductivity during emulsification process. 8 Refs. > > > > --- > > > **Title: CRYSTALLIZABLE POLYISOPRENE UNDER STRAIN OBTAINED BY ND-BASED CATALYST** > Page Range: p.69-72 > Author(s): Guilian Li; Weidong Yin > File size: 265K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101542&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The conventional Ziegler-Natta catalyst composed of neodymium versatate (Nd(vers)3), alkylaluminium (Al(iBu)2H or Al(i-Bu)3) and diisobutylaluminium chloride (Al(i-Bu)2Cl) was examined in isoprene polymerisation. The polymer with narrow molecular weight distribution (Mw/Mn < 3) can be obtained by controlling Al(i-Bu)2H amounts and component addition order. While, polyisoprene with high cis-1,4 content (> 96%), high molecular weight (> 100x104) and narrow molecular weight distribution (Mw/Mn < 2.2) is synthesised by using Al(i-Bu)3 as cocatalyst. In the meantime, the obtained polymer has crystallisation behaviour under strain. 12 Refs. > > > > --- > > > **Title: HIGH PERFORMANCE COMPOSITES OF POLYBENZOXAZINE AND POLYARYLENE ETHER NITRILES (PEN)** > Page Range: p.73-76 > Author(s): Wenjin Chen; YaJie Lei; Xiaobo Liu > File size: 226K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101543&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Polybenzoxazine (PBa) was modified by polyarylene ether nitriles (PEN) via in situ curing reaction of benzoxazine in the presence of PEN to improve toughness and thermal properties. DSC measurements of the cured blends containing PBa and PEN showed single glass-transition temperatures (Tg's) when the amount of PEN in the blends less than 20%, and the blends have significantly higher glass transition temperatures than those of each homopolymer. Tensile measurements of the films revealed that the strength and elongation was dramatically enhanced by the addition of PEN, the toughness of the PBa/PEN films was greatly enhanced. The thermal stability also increased with the increase of PEN content as evidenced by TGA. All of the mechanical and thermal characteristics show that the blends can be good candidates for the matrix resin of advanced composite materials. 14 Refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF SELF-HEALING MICROCAPSULES CONTAINING AN UV-CURABLE OLIGOMERS OF SILICONE** > Page Range: p.77-82 > Author(s): Rui-ying Xing; Qiu-yu Zhang; Jiu-li Sun > File size: 427K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101544&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In this work a new series of microcapsules for self-healing coatings were successfully prepared by an in-situ polymerisation route with poly (urea-formaldehyde) (PUF) as a shell material and a mixture of methacryloxypropyl terminated dimethyl silicone oil (2MA4000) and 1-hydroxycyclohexyl phenyl ketone (I-184) as core materials. The UV curing properties of the core materials were performed by the gel yield. The surface morphology and shell wall thickness, the particle size and distribution, and the chemical structure and properties of microcapsules were characterized by SEM, FTIR, laser particle size analyzer and thermogravimetric analysis (TGA). The results indicated that the gel yield of 2MA4000 with 3 wt.% Irgacure-184 was 63.35%. The spherical microcapsules (particle size of mostly 20-50 (mu)m) were produced with a relatively thin shell wall of 20-90 nm, a filling content of 84 wt.%, and a high yield of 71.4 wt.%. The microcapsules exhibit a good heat resistance. The core of the microcapsule was under a good preservation state during the encapsulated process, and part of the core which was in the interface between oil and water participated in the reaction of urea and formaldehyde. It makes the microcapsule wall being the organosilicon modified PUF resins, which promotes the thermostability of the microcapsule wall and compatibility with organosilicon coating. 13 Refs. > > > > --- > > > **Title: INVESTIGATION ON DYNAMIC MECHANICAL PROPERTIES OF CROSSLINKED POLY(STYRENE-CO-DIVINYLBENZENE) BULK COPOLYMERS: EFFECT OF DIVINYLBENZENE CONTENT** > Page Range: p.83-88 > Author(s): Quanyao Zhu; Qing Yang; Yue Yu; XiaoQing Wang; Fei Wu; Wen Chen > File size: 366K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101545&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The crosslinked poly(styrene-co-divinylbenzene) (CL-p(St-DVB)) bulk copolymers were fabricated by free radical bulk crosslinking copolymerisation (FCC) with styrene as monomer and divinylbenzene (DVB) as crosslinker. The viscoelastic properties of the crosslinked copolymers were investigated by dynamic mechanical thermal analysis (DMTA) as a function of temperature and frequency. The Arrhenius relationship was employed to calculate the activation energy of the t-relaxation transition for the specimens. The results revealed that the storage modulus (Es) of the copolymer networks enhanced with the rising DVB content. The loss tangent (tans) peaks were lower and broader. The dynamic mechanical responses of the CL-p(St-DVB) networks were also strongly depended on the test frequency. 34 Refs. > > > > --- > > > **Title: CORRELATION ANALYSIS OF HEAT TRANSFER, CURE AND MECHANICAL BEHAVIOR OF FIBER COMPOSITE LAMINATES** > Page Range: p.89-94 > Author(s): Xiaoxia Wang; Yuxi Jia; Chengguo Wang > File size: 462K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101546&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Curing deformation is a direct consequence of resin thermal curing induced composite internal stress. The understanding of the curing process is crucial to predict the internal stress, and then effectively control the curing deformation. For this purpose, the thermal-chemical-mechanical modelling of the multi-physical process is done, and a new simulation procedure is presented. Then a new correlation analysis of the heat transfer, cure and mechanical behaviour of fibre composite laminates is performed. It is shown that the temperature and curing degree distributions are inhomogeneous. The temperature of the geometrical structure centre is higher than that of the surface because of the exothermic reaction and the low thermal conductivity of the composite, so are the resin elastic modulus and the resin shrinkage strain. The research is helpful for understanding the complicated thermal-chemical-mechanical relationships, and then the design of composite curing processes according to certain requirements can be implemented. 8 Refs. > > > > --- > > > **Title: A NEW HYDROPHOBIC ASSOCIATING POLYMER** > Page Range: p.95-98 > Author(s): Chuntian Liu; Xiaolin Wu; Xing Li; Xiaodan Yu; Xin Zhao > File size: 260K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101547&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The properties of a new hydrophobic associating polymer were evaluated in detail in this paper. The polymer enhances the effect of increasing viscosity for the assembling action of functional groups in molecular chain. Alkali and surfactant promote the association and result in the increasing of viscosity, so the concentration of polymer in ASP solution is less than that in solution without alkali and surfactant. The viscosity of polymer solution restored again when shear effect decreased or disappeared; the characteristic will make the polymer used in oilfield advantageously. The polymer has synergistic effect with surfactant, so the interfacial tension of oil and water was ultra-low in a wide range of chemical concentration; it is propitious to improve displacement efficiency. When the oil recovery is approximate, the amount of new hydrophobic associating polymer is 20% less than that of HPAM. 3 Refs. > > > > --- > > > **Title: THERMALLY CURABLE POLY(SILYLACETYLENE)SILOXANE AS POLYMERIC PRECURSOR OF SIC CERAMIC** > Page Range: p.99-102 > Author(s): Chengda Yu; Mingcun Wang; Pi Li > File size: 216K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101548&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The pressureless pyrolysis of poly(silylacetylene)siloxane precursor to silicon carbide (SiC) was studied. Poly(silylacetylene)siloxane was synthesised via organometallic condensation. The precursor resin was well soluble in acetone, toluene and tetrahydrofuran (THF), etc. Thermal cure was conducted readily at 180-250 degrees C to form a hard brittle solid, and the cure mechanism was radical polymerisation of ethynyl groups. The ceramic yield of pyrolysis at 1500 degrees C was at about 67 wt.%. The molar ratio of Si/C in the SiC was found at 1:1.1-1:3 based on elements analysis. The results of x-ray diffraction (XRD) revealed the typical i-SiC structure in the poly(silylacetylene)siloxane derived ceramics. 8 Refs. > > > > --- > > > **Title: PROPERTIES OF A NOVEL SILOXANE-CONTAINING EPOXY RESIN** > Page Range: p.103-106 > Author(s): Wenbing Sun; Chaocan Zhang > File size: 257K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101549&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > To fabricate self-organized gradient material using bisphenol-A epoxy resin (E51) and siloxane, the properties of a novel synthesised siloxane-containing epoxy resin (SE) were investigated in advance. It is found that SE behaves like Newtonian fluid at low shear rates, while like non-Newtonian fluid at high shear rates. Similar to E51, SE is soluble in most solvents. Although curing process of two epoxy resins submits to first-order reaction kinetics, curing activity of SE is higher slightly. Contrary to the cured E51, the cured SE is hydrophobic and characterized by ductile fracture. It is also observed that the cured SE is more stable in thermal decomposition than the cured E51. 9 Refs. > > > > --- > > > **Title: SIMULATION OF A FLEXIBLE POLYMER CONFINED BETWEEN TWO PARALLEL SURFACES** > Page Range: p.107-110 > Author(s): Hong Li; Chang-Ji Qian; Meng-Bo Luo > File size: 259K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101550&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The conformational properties of a lattice self-avoiding polymer chain confined between two parallel impenetrable surfaces are simulated using Monte Carlo method. The statistical conformation size of polymer can be scaled by polymer chain length N and distance D between two surfaces. Chain is nearly free at large scaled distance bb= D/ NNb with v = 0.58 the scaling exponent and b = 1.42 mean bond length. Then it is squeezed along normal direction to surface at intermediate t, and at last it spreads out along surface at small,. For attractive surfaces, the chain is adsorbed at low temperature. For small D, we find an abnormal temperature dependence of chain size due to chain adsorbed to both surfaces simultaneously. 17 Refs. > > > > --- > > > **Title: SKY-WHITE TEMPERATURE/PH-SENSITIVE NANOCOMPOSITE MICROGELS WITH LOWER SIZE AND GOOD TEMPERATURE-SENSITIVITY** > Page Range: p.111-116 > Author(s): Qingsong Zhang; Xuewei Li; Li Chen > File size: 317K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101551&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Adopting inorganic nanoclay (lithium magnesium silicate hydrate, LMSH) as physical crosslinking agent, a kind of novel temperature/pH double-sensitive nanocomposite microgels based on N-isopropylacrylamide (NIPAM) and acrylic acid (AAc) were synthesised by using surfactant-free emulsion polymerisation method. As a comparison, the traditional poly(NIPAM-co-AAc) microgel using N,N'-methylene-bis-acrylamide(MBA) as chemical crosslinker was prepared by same method. The chemical structure, shape, particle size and phase transition behaviour of two kinds of microgels were confirmed by FTIR, XRD, SEM and DSC respectively. The results show that nanocomposite microgel was successful prepared under LMSH severing as physical crosslinker, and the prepared nanocomposite microgel dispersions present sky-blue state, different from oyster white of microgels crosslinked by MBA. The nanocomposite microgels crosslinked by LMSH present good spherical shape with hydrodynamic diameter less than 430 nm, which is much smaller than that of microgels crosslinked by MBA. In addition, the microgels crosslinked by LMSH show same good temperature-sensitivity. With increasing temperature from 20 to 50 degrees , turbidity value increases, but lower than that of poly(NIPAM-co-AAc) microgel. Although a 7 mol.% ratio of AAc/NIPAM was used, the volume phase transition temperature of microgels still keeps at about 31 degrees because of crosslinking structure of LMSH platelets. 19 Refs. > > > > --- > > > **Title: INFLUENCE OF WEAR AND THERMAL DEFORMATION ON MACHINED PEEK PLASTIC BUSH AND TI CRANK SHAFT** > Page Range: p.117-122 > Author(s): Hitonobu Koike; Katsuyuki Kida; Kenji Kanemasu; Edson Costa Santos; Justyna Rozwadowska; Megumi Uryu; Kenichi Saruwatari; Takashi Honda > File size: 567K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101552&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In biped walking humanoid robot, toughness, durability and lightweight of joint parts are crucial factors due to parts' constant exposure to high torque and loads. Such ergonomically challenging conditions create the need for joint systems comprising independent elements capable of keeping the component operable for long periods of time. In our work, we focused on wear and thermal deformation in two different grades of both poly-etheretherketone (PEEK) and polyoxymethylene (POM) plastic bushes. The components used for investigation were bushes typically employed in speed reduction devices in joint models for biped walking humanoid robots. In such joint systems, plastic bushes are directly connected to a crankshaft, playing an important role in the robot's movement ability. In order to acquire the knowledge of how to build more efficient systems, the influence of the titanium crankshaft roughness on the frictional heat occurring between the shaft and the polymer bush as well as the input axis-output axis backlash require close examination. Based on Rolling Contact Fatigue test, we established the optimal machining conditions for the crank shafts and bushes. Also, superior to other tested polymers as far as glass transition temperature, wear toughness and thermal deformation are concerned, PEEK was found to be the best suiting material for our investigation. 19 Refs. > > > > --- > > > **Title: EFFECT OF NANO-CACO3 ON PROPERTIES OF PP/TLCP/CACO3 IN-SITU HYBRID MATERIALS** > Page Range: p.123-128 > Author(s): Cai Jiangtao; Zhou Anning; Zhou Wenying > File size: 359K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101553&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In this thesis, to reinforce and soften PP plastics, thermotropic liquid crystalline polymer (TLCP) and nano-CaCO3 were used. The PP/TLCP/CaCO3 in-situ hybrid materials were prepared in a twin-screw extruder respectively by one-step and two-step method. The effect of nano-CaCO3 adding method on PP/TLCP/CaCO3 in-situ hybrid materials was investigated. Polarisation optical microscope (POM) and differential scanning calorimeter (DSC) measurements showed that: nano-CaCO3 play an important role in PP/TLCP system heterogeneous nucleation, and CaCO3 particles can increase the crystal growth rate of PP matrix more than the contribution of the improvement of crystallinity. Field emission scanning electron microscope (FESEM) observation revealed that the nano-CaCO3 enriched in the PP matrix though one-step method, which helped to promote the TLCP forming fibrils, therefore the tensile strength of one-step preparation sample was higher relatively. Mechanical measurements revealed that under the condition of the same proportion of PP/TLCP/CaCO3/PP-g-MAH=85/5/4/6, the mechanical properties of the hybrid materials prepared by one-step method were better than which of twostep method, the tensile strength of the one-step sample was 36.62 MPa, increased 2.95% more than which of two-step sample, the elongation at break of one-step method sample was 35.12%, increased 76.4%: the impact strength was 3.86 kJ/m2, and increased 4.9%. 27 Refs. > > > > --- > > > **Title: THE INFLUENCE OF THERMAL FATIGUE ON THE PROPERTIES OF GLASS FIBER/EPOXY COMPOSITES** > Page Range: p.129-132 > Author(s): Dongzhi Wang; Xinrui Zhou; Heyi Ge; Zhiyong Liu; Huashi Liu; Kangning Sun > File size: 299K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101554&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In this paper, glass fibre reinforced epoxy composites were prepared according to laminated plates design principles by using glass fibre/epoxy composite prepreg. The mechanical property of glass fibre/epoxy composite and water absorption have been investigated before and after thermal cycles. Thermal cycles were performed in the temperature range between -40 degrees -80 degrees. Through different thermal cycles (0, 60, 120, 180 cycles), it was found that the mechanical property of different ply of glass fibre/epoxy matrix composites was decreased and water absorption of composites were increased. Moreover, scanning electron microscopy (SEM) was used to characterize the fracture morphologies of glass fibre/epoxy composites before and after thermal cycles. SEM images showed that after 180 thermal cycles, the bonding effect of glass fibre and epoxy matrix interfacial layer became worse and pores increased, leading to the decrease in the mechanical properties and the increase in the water absorption. 8 Refs. > > > > --- > > > **Title: PREPARATION OF STYRENE AND BUTYL ACRYLATE EMULSION WITH HIGH SOLID CONTENT IN THE PRESENCE OF A POLYMERIZABLE EMULSIFIER** > Page Range: p.133-138 > Author(s): Ying Feng; ChunHua Zhou; Wei Liu; RenXing Xiao > File size: 286K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101555&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > An emulsifier-free emulsion was synthesised via the pre-emulsified emulsion polymerisation, with styrene (St), butyl acrylate(BA), and ammonium allyloxtmethylate nonylphenol ethoxylates sulphate (DNS-86) as the polymerisable emulsifier. The influences of the reaction temperature and time, DNS-86 amount on the emulsion polymerisation were investigated, then the most suitable polymerizing conditions were obtained, the semi-continuous method was used, T=80 degrees , t = 5 h, the dosage of DNS-86 was 2% of total monomers mass. The analysis of the profiles of IR, NMR, and Laser particle size demonstrated that the copolymerisation occurred between St, BA and DNS86 to generate P(St-BA-DNS-86) successfully, and hydrophilic sulphonic groups containing the copolymer were conducive to emulsion stability. Besides, the influences of the dosages of DNS-86 on the latex solid content and average particle size were discussed. The result showed that with the increase of DNS-86 amount, the latex solid content increased and average particle size of latex reduced, e.g., at the 2% mass amount of DNS-86 52.50% of the latex solid content, 78 nm of average diameter, 0.0379 of particle size distribution. Latex of high solids of up to 62.1% has been obtained with 5% DNS-86. The results of TEM showed that the copolymer emulsion with smaller particle size and uniform distribution could be obtained by using polymerisable emulsifier DNS-86. 13 Refs. > > > > --- > > > **Title: ELECTRICAL AND DAMPING COMPOSITE FILMS OF MWCNTS/P (STYRENE-BUTYLACRYL) PREPARED VIA IN SITU COPOLYMERIZATION** > Page Range: p.139-144 > Author(s): ChunHua Zhou; Wei Liu; Lili Wu; Ying Feng; Min Xu > File size: 320K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101556&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Multi-walled carbon nanotubes (MWCNTs)/P(styrene-butyl acryl) composite latex was successfully synthesised by in-situ emulsion copolymerisation to prepare MWCNTs/P(styrene-butyl acryl) composite film directly. The results by Raman spectra and FESEM showed that P(styrene-butyl acryl) copolymer molecules were combined assuredly with the surface of MWCNTs. MWCNTs coated with P(styrene-butyl acryl) could be dispersed in the emulsion evenly. Dynamic mechanical analysis showed that Tg, G' and tan of the composites films were greater in the presence of MWCNTs. Specially the vibration damping property was enhanced at elevated temperatures, indicating the strong interaction between MWCNTs and P(styrene-butyl acryl) molecules to limit the motivation of P(styrene-butyl acryl) chains. The electrical conductivity increased with the adding of MWCNTs by 7 orders of magnitude on addition of 1.5 wt.% MWNTs. So the electrical and damping film has been prepared via in situ emulsion copolymerisation. 18 Refs. > > > > --- > > > **Title: SIMULATION OF NON-ISOTHERMAL CRYSTALLIZATION KINETICS OF THERMOPLASTICS DURING FIBER PLACEMENT PROCESS** > Page Range: p.145-150 > Author(s): Yuehua Li; Hongya Fu; Zhenyu Han > File size: 392K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101557&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Currently more and more thermoplastic composites are applied in aircraft structures. During automated fibre placement process, thermoplastic composites, which adopted 'in-situ consolidation' technology, can be formed and consolidated in several minutes. Therefore, using 'in-situ consolidation' technology instead of autoclave technology is more economically. However, some technical indicators of laminates using 'in site consolidation' technology are below the autoclave laminates. In order to eliminate the most significant barriers, the automated fibre placement process should be studied. The crystallisation rate of thermoplastic in the cooling stage of automated fibre placement is one of the most important factors. In order to obtain the special crystallisation, the cooling temperature and cooling time should be strict controlled. According to the coupling phenomena between the non-isothermal crystallisation kinetics and the heat transfer in thermoplastic during the cooling stage, a mathematical model has been established. By solving above model, the relationship among cooling temperature, cooling time and relative crystallisation rate has been obtained. Above simulated data can guide the cooling stage of automated fibre placement process. 16 Refs. > > > > --- > > > **Title: A NEW TYPE OF FLAME RETARDED EPOXY RESIN BASED ON METAL PHOSPHINATES** > Page Range: p.151-154 > Author(s): Xueqing Liu; Jiyan Liu; Shan Sun; Jia Chen > File size: 328K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101558&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Exolit OP930 (abbreviate OP930) product based on aluminium (diethyl phosphinate) is a new class of flame retardants for the use in epoxy resin (EP). In this paper, the mechanical properties, the morphologies of fracture surfaces, thermal stability, glass transition temperature (Tg) and flame retardant of OP930-EP composites with different composition have been studied. The composites exhibit satisfying thermal properties and a high limiting oxygen index (LOI) value as well as good compatibility with the matrix. Compared to neat resin, the mechanical properties of composites are also on a very good level. 7 Refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES OF TRANSPARENT SEBS/TITANIA NANOCOMPOSITE FILMS VIA FUNCTIONALIZATION OF SEBS AND SOL-GEL PROCESS** > Page Range: p.155-160 > Author(s): Huanwang Guo; Xue Li > File size: 281K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101559&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Transparent nanocomposite films based on a thermoplastic elastomer, poly[styrene-b-(ethylene-co-butylene)-bstyrene] triblock copolymer (SEBS), and titania sol-gel precursors are fabricated. The SEBS grafted with maleic anhydride (SEBS-g-MAH) can enhance the dispersion of titania in the SEBS matrix. The SEBS-g-MAH/titania nanocomposite films are transparent and exhibit excellent mechanical properties, including increased modulus and tensile strength, with only a slight loss of stretchability. Moreover, the uniformly dispersed titania nanoparticles in the SEBS-g-MAH matrix can enhance thermal stability of the nanocomposites. 34 Refs. > > > > --- > > > **Title: EXPERIMENTAL STUDY ON INTERLAMINAR FRACTURE TOUGHNESS OF MODIFIED EPOXY RESIN COMPOSITES** > Page Range: p.161-164 > Author(s): Xiang Ru Wang; Xiao Qing Wu; Mei Ling Liu > File size: 274K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101560&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The epoxy resin was modified with silica nanoparticles and reinforced by carbon fibre by means of resin transfer moulding (RTM). The interlaminar fracture toughness of the laminated composites was tested and the fracture surface was observed by the microscope. The result shows that the critical energy release rate (GIC) increases by 45% and the fracture surface is tougher than the unmodified specimen. The interlaminar fracture toughness has been improved significantly. 11 Refs. > > > > --- > > > **Title: COMPARATIVE ANALYSIS OF STRESS DISTRIBUTION OF BRAIDED COMPOSITES UNDER DIFFERENT LOAD CONDITIONS** > Page Range: p.165-170 > Author(s): Peng Qu; Yuxi Jia; Jiaqi Nie; Xiaojun Guan > File size: 394K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101561&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In this paper, a comparative analysis of microscopic stress distribution in braided composites under different load conditions has been performed using a numerical method. The complexity of the architecture in non-orthogonally braided composites leads to the difficulty in the study of microscopic stress field. A geometric model which is suitable for the description of the stress distribution has been established. The location and magnitude of stress peak under different loads were investigated and the stress concentrations were subsequently discussed. For in-plane load, the maximum stress appears at 'joint part' of main bearing tow; for out-plane load, at 'overlapped part'. These results are beneficial to detecting the damage initiation regions. The effect of braid angle on in-plane shear deformation is more intensive relative to the in-plane tension, whereas the influence is inconspicuous for the out-plane load. The comparative analysis is help for a thorough understanding of the mechanical properties of braided composites. 6 Refs. > > > > --- > > > **Title: THERMAL CURING INDUCED DEFORMATION OF FIBER COMPOSITE LAMINATES** > Page Range: p.171-176 > Author(s): Xiaoxia Wang; Yuxi Jia; Chengguo Wang > File size: 439K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101562&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The curing of fibre-reinforced composite laminates is a complex thermal-chemical-mechanical coupling process, during which composite laminates experience shape change because of resin thermal curing induced composite stress. For composite structures with high shape precision demands, the internal stress should be reduced or even avoided. According to the coupling method of multi-physical fields, the curing process and the process-induced deformation of composite laminates were simulated systematically in this work. The influencing factors are classified into two categories: matrix-dominated and fibre-dominated. The former category consists of curing shrinkage and reaction heat. Reaction heat influences the curing deformation through affecting the temperature and curing degree fields; however curing shrinkage has a direct impact on the strain. The latter one consists of ply orientation and fibre volume fraction, which influence the curing deformation by affecting the mechanical properties of the composite laminates. This study is helpful for understanding the relationship among the thermal, chemical, and mechanical behaviours. 12 Refs. > > > > --- > > > **Title: DEFORMATION MEASUREMENT OF COMPOSITE LAMINATE WITH IMPACT DAMAGE UNDER COMPRESSIVE LOADS** > Page Range: p.177-182 > Author(s): Jiangtao Ruan; Shibin Wang; Jingwei Tong; Min Shen; Aymerich F; Priolo P > File size: 559K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101563&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > The out-of-plane displacement fields for a cross-ply laminate [03/903]s with impact damage under axial compression are investigated using carrier electronic speckle pattern interferometry (carrier-ESPI) in this paper. The compression after impact (CAI) test is conducted on rectangular specimen 65mm TT87.5mm in size using an anti-buckling fixture. In order to apply a uniform load to the top of composite laminate, a self-designed device insures that an accurate loading is given. The experimental results reveal the deformation characteristics of laminate under CAI test. 10 Refs. > > > > --- > > > **Title: A RAPID DESIGN AND DESIGN KNOWLEDGE MANAGEMENT SYSTEM FOR MOULD OF AUTOCLAVE FORMING RESIN MATRIX COMPOSITE COMPONENTS** > Page Range: p.183-190 > Author(s): Feng-yang Bi; Tian-guo Jin; Gao-liang Peng; Wen-jian Liu > File size: 613K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101564&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Autoclave forming is an important method for manufacturing matrix composite components with large dimension and high quality. Digitisation of its manufacturing process is an active research field. The quality of manufacturing process information representation has great impact on the reuse of knowledge. Therefore, based on the analysis of devices, processing parameters and mould structure requirement in autoclave forming, an ontology-based representation for matrix composite components manufacturing process is presented. It can digitally describe and store device capability parameters, process parameters, and mould structure parameters. Thus a knowledge framework for mould design of autoclave forming is presented, and on that basis a rapid design prototype system for mould is developed, in it a mould design process wizard is built to integrate the mould design process, it include input information, calculation, analysis, data storage, display the result of mould design. The outcome of this system can be used for knowledge for autoclave forming mould design storage and reuse. 8 Refs. > > > > --- > > > **Title: STUDY ON MORPHOLOGY AND MECHANICAL PROPERTIES OF PVC WITH ULTRAFINE CACO3 SURFACE-MODIFIED BY ACRYLATE MACROMOLECULAR MODIFIERS** > Page Range: p.191-196 > Author(s): Ousheng Zhang; Chaocan Zhang; Lili Wu; Wenbing Sun; Liang Hu > File size: 342K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101565&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > In this paper, ultrafine CaCO3 particles were modified by four acrylate macromolecular modifiers, AC730, AC532, AC235 and AC037 with glass transition temperature from low to high, and subsequently added into PVC to investigate their influence on morphology and mechanical properties of the composites. Dispersity tests in organic solvents with different polarities show that modified CaCO3 particles can be well-dispersed in ethyl acetate and dichloromethane whose polarities are close to that of PVC, indicating good compatibility between modified CaCO3 particles and PVC. AC235 and AC037 with more content of 'rigid' MMA units have better dispersing effect on CaCO3 particles than AC730 and AC532 with more content of 'soft' BA units as revealed by SEM images of modified CaCO3 particles and PVC composites. Moreover, the results of tensile tests show that modified CaCO3 particles have obvious reinforcing and toughening effect on PVC, and the highest tensile strength and elongation at break were observed in the PVC sample modified by AC235. The results of tensile properties tests can be explained on the basis of the variations of interfacial cohesive strength and dispersing state of CaCO3 particles in PVC matrix. 14 Refs. > > > > --- > > > **Title: COMPOSITE NANOPARTICLES ON THE NATURAL RUBBER LATEX GLOVE FOR REDUCTION OF SURFACE FRICTION AND CYTOTOXICITY** > Page Range: p.197-200 > Author(s): Kanjanathaworn N; Kaewsaneha C; Polpanich D; Jangpatarapongsa K; Tangboriboonrat P > File size: 275K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101566&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Poly(methyl methacrylate) (PMMA) particles were deposited via the Layer-by-Layer technique onto sulphur prevulcanised natural rubber latex film grafted with polyacrylamide (SPNR-g-PAAm). Besides an increase in surface hardness and roughness, hence, decrease of the surface friction of SPNR glove, a direct contact between skin and rubber film was reduced. Consequently, it was expected that the allergic problem to certain sensitive individuals and cytotoxic potential caused by the leachable non-rubbers (proteins) and lubricant powder sprinkled onto SPNR glove would be lowered. The SPNR and SPNR-g-PAAm coated with PMMA particles were extracted by using the culture medium and subjected to the in vitro cytotoxicity evaluation on L-929 fibroblasts. Results showed that the cytotoxicity was effectively reduced by coating PMMA particles onto the grafted rubber film. In order to improve both the binding ability with SPNR and antimicrobial activity, the PMMA-chitosan coreshell particles were prepared for further depositing onto the non-grafted SPNR film. Moreover, the nanocapsules containing an aqueous core of disinfectant agent (chlorhexidine digluconate) and poly(methyl acrylate) or sulphur prevulcanised skim rubber shell were prepared for being embedded in SPNR glove. 9 Refs. > > > > --- > > > **Title: A NOVEL BEAM MODEL FOR MODE-II DELAMINATION ANALYSIS OF COMPOSITE LAMINATES** > Page Range: p.201-208 > Author(s): Haitao Han; Zixing Lu; Jordan Zheng Zhang > File size: 556K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101567&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > A two dimensional beam model is proposed for delamination analysis of composite laminates, where Timoshenko's plane cross-section assumption is abandoned, and the longitudinal displacement of the beam is proposed as continuous functions of the transverse and the longitudinal coordinates, to match shear deformations. Moreover, the composite laminate is modelled as upper and lower sub-beam through the delamination interface, and corresponding conditions for interface sliding are satisfied through a generalized variational theory. The accuracy of the results of this analytical model is verified by comparison with those from three dimensional finite element models. Furthermore, the influences of delamination depth, length, central position and modulus mismatch ratio (E1/E2) of the upper and lower sublaminate to the energy release rate are discussed. 22 Refs. > > > > --- > > > **Title: WEAR PROPERTIES OF CARBON/EPOXY RESIN COMPOSITES WITH AN INTERPENETRATING NETWORK STRUCTURE DERIVED FROM ARTIFICIAL SPONGE** > Page Range: p.209-214 > Author(s): Tianchi Wang; Song Kong; Chingping Wong > File size: 309K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101568&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > Artificial sponge was used as the template to produce carbon/epoxy resin composites with interpenetrating network structure. Carbon with a network structure was first obtained by the pyrolysis of sponge. The composites were then obtained by injecting epoxy resin into the carbon. Their microstructures and wear properties were analyzed. The results show that the structure of sponge controlled the interpenetrating network structures of the carbon/ epoxy resin composites. The carbon-network in the composites was shown to stabilize the coefficient of friction of epoxy resin. The carbon also reduces the wear rate of the epoxy resin remarkably. 7 Refs. > > > > --- > > > **Title: PREPARATION OF MONOLITHIC EPOXY RESIN-2-METHYLIMIDAZOLE POROUS MATERIAL FOR ADSORPTION/ELECTROSORPTION OF CU(II)** > Page Range: p.215-222 > Author(s): Sui Wang; Yan-Ling Tao; Rui-Feng Zhang > File size: 324K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101569&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.1-2 > > **Abstract** > A new monolithic porous polymer was successfully prepared by using epoxy resin (bisphenol A diglycidyl ether, EP), 2-methylimidazole (2-MZ) as curing agent and polyethylene glycol (PEG-1540) as porogen. The reaction-induced phase separation of this system was successfully controlled by the weight ratio of EP-MZPEG (2.0:0.27:2.8) and other reaction conditions. The stepwise polymerisation completed at 100 degrees C for 11 h without disturbance mode. The porogen was removed and the monolithic material with macro-through-pores was obtained. The synthesised polymer was characterized by Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). The prepared material was found to be more efficient for Cu(II) adsorption as compare to Co(II) and Ni(II) in aqueous water. Furthermore, it was then used as the working electrode connected with a direct high-voltage power supply, and a platinum wire was used as counter electrode. The experimental conditions including the adsorption/ desorption time, pH value, adsorption/electrosorption mode, and voltage were investigated and optimized, and a new method for Cu(II) removal was established. After adsorption at pH 6, the stirring speed of 400 rpm and the voltage below 120V for 1 h, the loaded Cu(II) was then eluted with 3 mL of 5% HNO3 solution for 10 min, and determined with inductively coupled plasma atom emission spectrometry (ICP-AES). The results showed that the adsorption rate was improved significantly by the electrically enhancing means, and the recovery was > 95%. 33 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-4/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INDUCTION HEATING OF THERMOPLASTIC MATERIALS BY PARTICULATE HEATING PROMOTERS Page Range: p.333-342 Author(s): Bayerl T; Schledjewski R; Mitschang P File size: 635K Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-4/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INDUCTION HEATING OF THERMOPLASTIC MATERIALS BY PARTICULATE HEATING PROMOTERS** > Page Range: p.333-342 > Author(s): Bayerl T; Schledjewski R; Mitschang P > File size: 635K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101614&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > > > **Abstract** > Induction heating is a fast and selective heating method, which can also be applied to polymeric materials, even though these materials do not offer the required electrical or ferromagnetic properties. To compensate for this deficiency, polymeric matrixes (high density polyethylene and polyamide 6) were compounded with various ferromagnetic and electrically conductive particles. The experimental series included induction heating experiments of compounds with different particle materials and variable filler grades at two distinct frequency levels (430 kHz and 2500 kHz). A mechanical characterisation of the compounds was performed to identify the influence of the particles on matrix properties. The heating experiments showed a significant temperature rise of the particle doped materials, when they were exposed to an alternating magnetic field. The temperature rise was observed with plates as well as with pellets. The heating effect was found to be dependent on the frequency and the particle material. The best results were obtained from ferromagnetic particles like iron and magnetite, whereas for example non-ferromagnetic carbon black could only be activated in pellet-shape at high magnetic field strength. To reach the melting temperature of the polymer within a maximum time frame of three minutes, the filler content of specific particles could be as low as 5 wt.%. The mechanical properties of the materials, such as tensile strength and stiffness were influenced only marginally, while the impact strength was reduced by the particles by up to 25%. 20 Refs. > > > > --- > > > **Title: EFFECTS OF FUNCTIONALISATION ON CURING AND DECOMPOSITION BEHAVIOUR OF EPOXY-MWCNT NANOCOMPOSITES** > Page Range: p.343-352 > Author(s): Theodore M; Mahesh Hosur; Thomas J; Shaik Jeelani > File size: 642K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101615&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > Cure kinetics and decomposition behaviour of a two part epoxy resin system, Epon 862, reinforced with 1 wt.% unmodified, oxidised (MWCNT-COOH) and fluorinated (MWCNT-F) multi-walled carbon nanotubes have been studied through dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) at different conversion levels. Functionalised MWCNTs have disturbed the curing/decomposition behaviour, crosslink density, and the interactions between individual phases in the composite systems thus altering cure kinetics parameters like degree of conversion, activation energy, rate of reaction, enthalpy change, percentage conversion, which were determined using Arrhenius theory. 29 Refs. > > > > --- > > > **Title: COMPARISON OF POLYIMIDE COMPOSITES WITH NON-COVALENT MODIFIED AND ACID MODIFIED MULTI-WALL CARBON NANOTUBE** > Page Range: p.353-358 > Author(s): Shang-Chih Chou; Yao-Yi Cheng > File size: 378K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101616&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > In this study, it was attempted to increase the electrical conductivity of polyimide (PI) by adding multi-wall carbon nanotubes (MWNT), mainly because the high aspect ratio carbon nanotubes can reduce resistance and enhance antistatic ability to meet electrostatic charge (ESC) criteria of polymer hybrid films. MWNT were modified successfully with a sodium salt of 6-aminohexanoic acid (Na-AHA), which has been verified by FTIR and TEM observations. During the blending process, the PI/MWNT composites thus produced were compared with unmodified MWNT to study the miscibility and interaction among the components. The homogeneous dispersion of the non-covalently modified MWNT (Na-AHA-CNT) promoted the thermal and electrical conductivity properties of PI composite films. The results are compared with those of PI composites with acid modified and unmodified MWNT. 30 Refs. > > > > --- > > > **Title: EFFECT OF THE EXTRUSION PROCESS ON THE MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF INJECTION-MOULDED POLYPROPYLENE/HDPE/CARBON BLACK COMPOSITES** > Page Range: p.359-366 > Author(s): Zheng-Ying Liu; Yong-Juan Gao; Chao-Lu Yin; Shi-Lin Huang; Ming-Bo Yang > File size: 465K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101617&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > In this work, isotactic polypropylene (iPP)/high density polyethylene (HDPE) composites filled with carbon black (CB) were prepared by the mild compounding method and the common melt-mixing method. The selective distribution of CB particles in the immiscible iPP/PE blends was determined by the interfacial tensions, but the morphologies of the polyblends strongly depended on the compounding method. The mild compounding method strongly affected PE phases to form triple phase morphology in the composites, which inhibited effective conductivity network formation in the low CB content range. A skin-core structure of the iPP/HDPE/CB composite, prepared by the common melt-mixing process, was present when an effective conductivity network was obtained, and a co-continuous structure of the iPP/HDPE matrix is not necessary. 28 Refs. > > > > --- > > > **Title: WELL-ALIGNED ZNO NANOTUBE/POLYANILINE PHOTOCATALYSTS FOR ENHANCED PHOTOCATALYTIC PERFORMANCES** > Page Range: p.367-376 > Author(s): Lin Lin; Qingsheng Wu > File size: 449K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101618&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > A well-aligned ZnO nanotube array has been successfully synthesised without depositing a layer of ZnO seeds, for the first time, on a glass substrate by a hydrothermal reaction. Subsequently, the oriented ZnO nanotube array was integrated with polyaniline (PANi) to form hybrid ZnO nanotube/PANi photocatalysts, which showed excellent photocatalytic activity for the photodegradation of Rhodamine B (RB). It was found that the photocatalytic performance under ultraviolet and visible light irradiation depended on the doping level of PANi. An investigation of photodegradation kinetics of RB indicated that the photocatalytic process showed first-order kinetics. The photodegradation mechanisms of RB dye under ultraviolet and visible light irradiation were also investigated. 42 Refs. > > > > --- > > > **Title: IMPROVED CONDUCTIVITY OF POLYSACCHARIDE-CO-POLYACRYLATE/POLYANILINE CONDUCTING HYDROGELS** > Page Range: p.377-386 > Author(s): Lin Lin; Qingsheng Wu > File size: 447K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101619&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > In this article, three families of polysaccharide-co-polyacrylate copolymer hydrogels were synthesised by free radical polymerisation. The water absorbencies of the starch-co-polyacrylate, alginate-co-polyacrylate and chitosan-co-polyacrylate hydrogels were 1170, 1190 and 1350 g/g, respectively. The influences of crosslinker, initiator, neutralisation degree, monomer concentration and the polysaccharide dosage on the water absorbency of the hydrogels were thoroughly investigated. The molecular structures, thermal stability and morphology of the copolymer hydrogels were characterized by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). To improve the conductivity, polysaccharide-co-polyacrylate/polyaniline conducting hydrogels with interpenetrating network structures were produced by in-situ polyaniline of aniline based on the high water absorbency of the copolymer hydrogels. The novel conducting hydrogels present good electrical and electrochemical behaviour, which makes them potentially useful in supercapacitors, biosensors, bioelectronics, solar cells and memory devices. 23 Refs. > > > > --- > > > **Title: INSTABILITY OF THE PERFORMANCES OF FRP COMPOSITES IMPLEMENTED IN CIVIL ENGINEERING ENVIRONMENT: EXPERIMENTAL STUDY AND DURABILITY IMPLICATIONS** > Page Range: p.387-398 > Author(s): Marouani S; Curtil L; Hamelin P > File size: 440K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101620&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > Various aspects related to the durability of Fibre Reinforced Polymer (FRP) composites used in the rehabilitation, repair and strengthening of existing concrete structures were studied as a function of cure behaviour. The performance of these FRP-composites containing thermoset matrix and implemented under civil engineering conditions, is unstable and their properties will change over time due to their partial cure. The present work attempts to raise awareness about the characteristic changes of FRP-composites materials immediately after their ambient cure, while emphasizing the implication of such phenomena on the durability. Both glass transition temperature Tg and mechanical characterisation tests were performed to identify the effects of curing on thermorheological and mechanical stability of the composites immediately after the implementation. The experimental results indicate that overall composite performance was sensitive to the cure conditions. The implication of this sensitivity on the durability of FRP-composites was addressed and clearly identified through accelerated and natural exposure tests which reflected the civil engineering environment. 46 Refs. > > > > --- > > > **Title: FLAME RETARDANCY AND NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF PET/TIO2 NANOCOMPOSITES** > Page Range: p.399-406 > Author(s): Jianjun Zhang; Quan Ji; Xiuhong Shen; Yanzhi Xia; Liwen Tan; Fengjun Wang; Qingshan Kong > File size: 392K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101621&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > Titanium dioxide particles (TiO2) have been melt-compounded with poly(ethylene terephthalate) (PET) by using a twin-screw extruder to prepare PET/TiO2 nanocomposites. The flame retardancy and non-isothermal crystallisation behaviour of PET and PET/TiO2 nanocomposites have been studied using several techniques. The effects of TiO2 on the combustion behaviour of PET/TiO2 nanocomposites were analyzed by CONE and SEM. The results showed that the HRR, THR and TSR of nanocomposites was reduced significantly. The char residues were examined using scanning electron microscopy, indicating that TiO2 addition produced consistent and compact char crusts. The non-isothermal crystallisation behaviour of PET and PET/TiO2 were investigated by differential scanning calorimetry (DSC). Meanwhile, the kinetics of non-isothermal crystallisation was analyzed by the Mo Zhishen method. Both results showed that the TiO2 in PET acted as an effective nucleation agent. Not only was the crystallisation rate of composites obtained higher than that of the neat PET, but also the crystallisation time of the composites obtained was shorter than that of the neat PET. The presence of TiO2 changed the mechanism of the nucleation and accelerated the rate of PET crystallisation. 15 Refs. > > > > --- > > > **Title: ENHANCED IONIC CONDUCTIVITY OF COMPOSITE PVA-NAFION ELECTROLYTE CONTAINING IONIC LIQUID BY ADDITION OF HYDROXYAPATITE PARTICLE** > Page Range: p.407-410 > Author(s): Zhiying Li; Xin Zhang; Changli Zhou; Danzi Sun > File size: 215K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101622&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.4 > > **Abstract** > Composite electrolyte comprising hydroxyapatite (HAp) filler and 1-butyl-3-methyl -imidazolium bis(fluoromethane sulphonyl)imide (BMImTFSI) room temperature ionic liquid (RTIL) in poly(vinyl alcohol) (PVA) combined with Nafion matrix has been prepared. The polymer matrix was composed of PVA and Nafion providing the proton conductivity, BMImTFSI was used as both ionic source and plasticizer; HAp filler enhanced the ionic conductivity and thermal stability in this system. The electrolyte with HAp at the 20 wt.% showed the highest ionic conductivity of 1.2i10-3 S cm-1 at room temperature and 96% relative humidity. 8 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-6/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: TENSILE PROPERTIES OF POLYMER SAMPLES CONTAINING MILLIMETRE SCALE SILICON MICROCHIPS Page Range: p.505-516 Author(s): Kolonko A M; Metje N; Chapman D N; Kukureka S N... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-6/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: TENSILE PROPERTIES OF POLYMER SAMPLES CONTAINING MILLIMETRE SCALE SILICON MICROCHIPS** > Page Range: p.505-516 > Author(s): Kolonko A M; Metje N; Chapman D N; Kukureka S N > File size: 354K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101651&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > > > **Abstract** > In order to produce monitoring systems for polyethylene pipes, one option is to distribute sensors within the plastic matrix. Currently, no information is available on the effects of small, individual sensors on the structural integrity of polyethylene pipes if these are embedded in the pipe wall. In order to assess the influence of these sensors, small samples were subjected to tensile tests with different sizes and shapes of microchips investigated at different positions and orientations. It was discovered that a square microchip improves the stiffness the most but reduces the ductility of the sample the most, while a microchip with the same area, but of circular shape also acts as reinforcement when its volume is sufficiently large relative to the volume of the polymer matrix, causing the smallest reduction in ductility. The optimal microchip orientation is parallel to the tension direction. 25 Refs. > > > > --- > > > **Title: RHEOLOGY, FLEXURE AND THERMOMECHANICAL CHARACTERIZATION OF EPOXY/CNF NANOCOMPOSITES: EFFECT OF DISPERSION TECHNIQUES** > Page Range: p.517-530 > Author(s): Mahesh Hosur; Rajib Barua; Shaik Zainuddin; Ashok Kumar; Trovillion J; Jeelani S > File size: 879K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101652&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > **Abstract** > The aim of this study is to investigate the optimum technique to disperse vapour grown carbon nanofibres (VGCNFs) in SC-1 epoxy uniformly and to evaluate their effect on the performance of SC-1 epoxy. In this study, ultrasonication and Thinky mixing methods were used either in isolation or in combination with 3-roll shear mixing. To achieve better dispersion, VGCNF was tested either by mixing with SC-1 resin directly or premixed with a solvent and then mixed with SC-1 resin after evaporating the solvent. Flexural tests were performed to evaluate mechanical performances, and the results exhibited 25.60% and 8.88% improvement of flexural strength and modulus, respectively over neat epoxy with only 0.2 wt.% loading. Dynamic Mechanical Analysis (DMA), Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA) indicated improvement in storage modulus, Tg, inflection temperature and residue content respectively over neat SC-1 epoxy. The high viscosity found by rheological analysis prevents their ubiquitous use in fibre reinforced composites. Thermal and mechanical properties at higher loading conditions were seen either to reduce or not significantly improve. These results indicate that the methods used for dispersion are suitable for low weight percent loading only.36 Refs. > > > > --- > > > **Title: IN-VITRO RESPONSE OF FIBROBLASTS TO POLY-L-LACTIDE COMPOSITE MATERIALS CONTAINING BOVINE BONE** > Page Range: p.531-536 > Author(s): Zeqiang He; Lizhi Xiong > File size: 328K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101653&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > **Abstract** > This study aimed to investigate the interaction between fibroblastic cells and poly-L-lactide (PLLA) composite film containing bovine bone. The effects of PLLA/bovine bone on cell cytotoxicity, attachment, proliferation and differentiation of fibroblasts in-vitro were investigated. The results of cytotoxicity tests showed that cells cultured in extracts of PLLA/bovine bone and on the surface of composites showed normal growth and proliferation, and mineralisation nodules were observed for fibroblasts cultured in PLLA/bovine bone extract at day 7 by using von Kossa staining and tetracycline staining. Compared with pure PLLA materials, bovine bone in the PLLA composites facilitated both adhesion and proliferation of rat fibroblasts on the PLLA/bovine bone composite film. In conclusion, these results suggest that the introduction of bovine bone may improve the cell response involved in the osteogenesis and thus may be beneficial to further modify poly-L-lactide as a better bone repairing material. 15 Refs. > > > > --- > > > **Title: THERMAL AND GAS BARRIER PROPERTIES OF COC/SIO2 NANOCOMPOSITES** > Page Range: p.537-544 > Author(s): Cheng-Fang Ou; Po-Hung Shen > File size: 387K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101654&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > **Abstract** > This study is performed primarily to investigate the effects of chemical modification on silica surface and the silica content on the thermal and gas barrier properties of a cyclo olefin copolymer (COC) matrix. The COC/ SiO2 nanocomposites were constructed from COC and three species of SiO2 nanoparticles (AEROSIL A200, R805 and R974) with different organic groups, prepared by solution blending. The thermal properties of the composites were studied by DSC and TGA. The gas barrier properties of the composites were characterized by use of a gas permeability analyzer. The glass transition temperature (Tg) and decomposition temperature (Td) of these composites increased obviously with the silica content ranging from 0.5 to 10 wt.%. The composite with 10 wt.% R805 exhibited the highest Tg, which was 14.1 degrees C higher than that of pure COC. The water and oxygen permeability decreased with increasing the content of SiO2. The composites with 10 wt.% R974 had the minimum values of water and oxygen permeability and were 32% and 36% lower than those of pure COC, respectively. The dispersion of these silica particles in the COC matrix was made by SEM and consideration was given to the relationship between the modified silica surface and the COC matrix, and thermal properties and gas barrier properties. 33 Refs. > > > > --- > > > **Title: POLYVINYL ALCOHOL ENGINEERED CEMENTITIOUS COMPOSITE (PVA-ECC) FOR THE INTERFACIAL BOND BEHAVIOUR OF GLASS FIBRE REINFORCED POLYMER BARS (GFRP)** > Page Range: p.545-558 > Author(s): Kim B; Lee J-Y > File size: 549K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101655&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > **Abstract** > This paper presents experimental investigations of the interfacial bond behaviour of different types of rebar (steel, sand-coated GFRP, and helically-wrapped GFRP bars) and cementitious composites with and without polyvinyl alcohol (PVA) fibre. A total of 27 cubic specimens were prepared, and different PVA fibre volume fractions of 0%, 1% and 2% were added. The effects of PVA fibre on the compressive strength and interfacial bond strength were not significant. However, PVA fibre in engineered cementitious composites apparently changed the failure mechanisms during the pullout of both the steel and the helically-wrapped GFRP bars. The increase in PVA fibre volume fraction significantly improved the ductility of the matrix. Specifically, the helically-wrapped GFRP bar demonstrated the greatest improvement in ductility, while the sand-coated GFRP bar resulted in frictional pullout of the rebar due to the complete slip failure of the resin, regardless of the fibre content. Finally, the application of PVA-ECC to the helically-wrapped GFRP bar was found to be effective as replacement for steel rebar with respect to the ductility of the interfacial bond. 24 Refs. > > > > --- > > > **Title: EFFECT OF POLYPROPYLENE-GRAFTED-MALEIC ANHYDRIDE COMPATIBILIZER ON THE PHYSICAL PROPERTIES OF POLYPROPYLENE/CARBON NANOTUBE COMPOSITES** > Page Range: p.559-566 > Author(s): Hemmati M; Shariatpanahi H; Ghorbanzadeh Ahangari M; Fereidoon A; Narimani A > File size: 406K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101656&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > **Abstract** > The mechanical, rheological, morphological and thermal properties of a polypropylene (PP) matrix reinforced with single-walled nanotubes (SWNTs) and poly(propylene-grafted-maleic acid) (PP-g-MA) content were investigated by melt processing. PP-g-MA was used as a compatibiliser to promote carbon nanotube dispersion. Compared to uncompatibilised PP/SWNT nanocomposites, the tensile modulus of the material increased considerably when nanotubes and compatibiliser were employed. Furthermore, the Izod impact strength and tensile strength improved when 0.5 wt.% SWNTs and 1 wt.% PP-g-MA were added to the PP matrix. The rheological characterisation results revealed that addition of SWNTs increased the storage modulus and complex viscosity at low frequencies. When PP-g-MA was introduced, the complex viscosity and storage modulus further increased. Scanning electron microscopy revealed that the SWNTs were uniformly distributed when low concentrations of SWNTs were employed. In addition, the dispersion and adhesion between SWNTs and the PP matrix were improved when 0.5 wt.% SWNTs and 1 wt.% PP-g-MA were added. The results of differential scanning calorimetry indicated that the addition of SWNTs increased the crystallinity of PP/SWNT nanocomposites. 38 Refs. > > > > --- > > > **Title: SCREENING THE VIABILITY OF ROSELLE GRAFT-COPOLYMERS** > Page Range: p.567-574 > Author(s): Ashish Chauhan; Balbir Kaith > File size: 377K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101657&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.6 > > **Abstract** > In this paper, graft-copolymerization of Hibiscus sabdariffa (Roselle) using methyl acrylate (MA) as principal monomer and 4-vinyl pyridine (4-VP) as secondary monomer, using ceric ammonium nitrate - nitric acid initiator system in binary vinyl monomeric mixture, has been reported. Different optimized reaction parameters such as temperature, time, initiator concentration, monomer concentration and pH were used to obtain the maximum graft yield and then to explore its change on properties and behaviour of the fibre. The graft copolymer were characterized by FTIR, SEM, XRD, TGA and DTA techniques and evaluated for swelling behaviour, chemical resistance, moisture absorbance and dye-uptake behaviour, keeping in view the use of these advanced graft copolymers for scientific and industrial application. 26 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-7/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF POLYURETHANE ELASTOMER REINFORCED WITH CACO3 NANOPARTICLES Page Range: p.575-580 Author(s): Zhengping Zhao; Qiang Guo; Junzhi Qian; Guoliang Pan File... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-7/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF POLYURETHANE ELASTOMER REINFORCED WITH CACO3 NANOPARTICLES** > Page Range: p.575-580 > Author(s): Zhengping Zhao; Qiang Guo; Junzhi Qian; Guoliang Pan > File size: 309K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101658&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > > > **Abstract** > In this work polyurethane (PU) elastomers based on poly(propylene glycol), diisocyanate and 2,2-Bis (hydroxymethyl)propionic acid were synthesised. CaCO3 nanoparticles were modified through esterification to increase their interactions with the PU matrix. A series of nanocomposites from polyurethane incorporated with various low concentrations of calcium carbonate were obtained. The effects of nanoparticles content on mechanical properties and the tribological behaviour of the PU composites filled with CaCO3 nanoparticles were investigated. Investigations of the worn surfaces showed that the fillers of CaCO3 nanoparticles were able to enhance the adhesion of the transfer films to the surface of counterpart ring, so they significantly reduced the wear rate of the PU matrix. 15 Refs. > > > > --- > > > **Title: FLEXED-PLATE LOW ENERGY IMPACT OF AN EPOXY-CARBON FIBRE LAMINATE** > Page Range: p.581-588 > Author(s): Martinez A B; Xiang G; Arencon D > File size: 384K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101659&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > A model for predicting the contact duration, force, indentation, displacement and restitution coefficient has been developed for the low energy impact with an hemispherical tip of a composite laminated plate. The model is based in the Hertz law and the thin plate small deflection theory. The governing equations for the motion were first proposed and then solved. Several tests were conducted using two weight drop tower testers with different test geometries. Comparison between the model predictions and the experimental results shows a very good agreement between the modelled and the experimental forces, contact times, displacements, depth of penetration and restitution coefficients. 10 Refs. > > > > --- > > > **Title: PLASTICISING AND STABILISING EFFECT OF NOVEL EPOXIDISED MEE OIL ON PVC** > Page Range: p.589-600 > Author(s): Gamage P K; Farid A S > File size: 581K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101660&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > The plasticising and stabilising effects of novel epoxidised Mee oil (EMO) and its derivatives on poly (vinyl chloride) were investigated. Peroxymethanoic acid was used to epoxidise Mee oil and the product was characterised by FTIR, iodine value, and oxirane content. Solubility parameter values were also determined. Plasticising effects of PVC incorporating EMO were evaluated using tensile and mechanical properties as well as FTIR. It was found that substantial levels of 100% epoxidised oil derivatives of Mee oil (E100M) could be added to PVC; typically about 50 phr E100M with 30 phr of DOP. It was observed that increasing levels of E100M with DOP enhanced the plasticising efficiency; flexibility, percentage elongation, softness, and MFI. The stability provided by EMO in terms of changes in elastic modulus during high-temperature ageing was modelled kinetically, and it was found that the kinetic model obeyed a law of the form: ln (log Ea - log E) = kt + C Activation energy values for the change in elastic modulus of PVC suggest some degree of synergism between EMO and Ca/Zn stearate system. Clearly E100M may be regarded as an effective secondary plasticiser as well as a stabiliser; perhaps more so than the other oil derivatives of Mee oil. 16 Refs. > > > > --- > > > **Title: STUDY OF DIFFUSION PERFORMANCE AND PREPARATION TECHNOLOGY OF THE COLOURED PMIA FIBRE** > Page Range: p.601-608 > Author(s): Li-Qi Liu; Lei Chen; Zu-Ming Hu; Jun-Rong Yu; Jing-Zhu > File size: 440K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101661&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > Poly(m-phenylene isophthalamide) (PMIA) fibre is a kind of aromatic polyamide fibre, which can be prepared by a wet-spinning method. In this work, the process conditions of spinning influenced the performance and structure of the coloured PMIA fibre, and these conditions included spinning speed, coagulation bath, etc. Because the diffusion coefficient was associated with the performance and structure, the ratio of solvent to coagulant could explain the reason of influence of the coagulation bath on the fibre. In this study, PMIA spinning dopes with Colour Inde Blue 60 were first commixed in a pressurizer and then spun into a coagulation bath under a pressure of around 0.3 MPa. At a coagulation bath temperature of 50 degrees C, pure or dope-dyed PMIA fibres were prepared by wet spinning, and then the spun fibres were extracted by an ultrasonic oscillation method. The effect of the jet stretch ratio and the temperature and concentration of coagulation bath on the ratio of diffusion coefficient of solvent to coagulator were analysed during spinning process of dope-dyed PMIA fibres. The properties and structures of coloured PMIA fibres were characterized by SEM. Finally the optimized spinning technology of the dope-dyed PMIA fibre was obtained. 19 Refs. > > > > --- > > > **Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE)/POLYSTYRENE BLEND WEB BY ELECTROSPINNING** > Page Range: p.609-620 > Author(s): Hee Sam Kim; Ki Bum Lee; Young Jae Lee; Min Jae Kim; Jin Wook Cha; Tae Hwan Oh; Seok Kyun Noh; Yong Rok Lee; Sung Soo Han; Eun Joo Shin; Yeong Soon Gal; Won Seok Lyoo > File size: 840K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101662&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > To prepare fine and even poly(N-vinyl carbazole) (PVCz)/polystyrene (PS) blend webs, we performed a series of experiments varying processing parameters, including the type of solvent, PVCz/PS blend ratio, applied voltage, and tip to the collector distance (TCD). It was found that the morphology and the average diameter of PVCz/ PS blend web were strongly correlated with electrospinning conditions. The morphologies of PVCz/PS blend webs were beaded or fine fibre structures, depending on the blend ratio of PVCz and PS. Increasing content of PS in the spinning solution tended to produce higher spinnability and the average diameter of electrospun web became smaller. The average diameter of the PVCz/PS blend web was slightly decreased with increasing applied voltage. In the case of TCDs, there was no significant effect on the PVCz/PS blend web morphologies but on increasing the TCD, the average diameter of the PVCz/PS blend webs slightly decreased. 15 Refs. > > > > --- > > > **Title: FABRICATION AND CHARACTERIZATION OF PVA/SPI/SIO2 HYBRID FIBRES VIA ELECTROSPINNING TECHNIQUE** > Page Range: p.621-628 > Author(s): Hualin Wang; Qin Jiang; Suwei Jiang; Shaotong Jiang > File size: 437K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101663&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > In this work, an electrospinning technique was developed for the fabrication of poly(vinyl alcohol) (PVA)/soy protein isolate (SPI) /SiO2 hybrid fibres with PVA, SPI and tetraethyl orthosilicate (TEOS) as precursors. The effects of SiO2 content, sodium dodecylsulphate and electrospinning electrical field strength on the morphology and structure of the hybrid fibres were investigated. Scanning electron microscopy (SEM) showed that uniform hybrid fibres about 200 nm in diameter were obtained at a weight ratio of PVA to SPI 8:2, SiO2 content 5.0 wt.%, sodium dodecylsulphate 0.6 wt.% and electrical field strength 0.90 kV cm-1. X-ray diffraction (XRD) patterns showed that the crystalline structure of PVA was somewhat destroyed as PVA was hybridized with SPI and SiO2, and further destroyed under electrospinning process as the stretched molecular chains of the fibre solidified rapidly at high elongation rates, resulting in the amorphism of PVA/SPI/SiO2 hybrid fibres. Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) showed that the components of PVA, SPI and SiO2 nanoparticles were linked by hydrogen bonds or Si-O-C bonds in the hybrid fabric networks. Differential scanning calorimetry (DSC) tests showed that the presence of SiO2 nanoparticles considerably improved the thermal stability of the hybrid fibres. Therefore, the PVA/SPI/SiO2 hybrid fibres may have potential as a new fibre in dressings, tissue engineering or drug delivery. 30 Refs. > > > > --- > > > **Title: PREPARATION AND PROPERTIES EVALUATION OF AN EPOXY RESIN TOUGHENED BY A COMBINATION OF REACTIVE POLYESTER AND KAOLIN** > Page Range: p.629-639 > Author(s): Bakar M; Bialkowska A; Rudecka J; Bachan D > File size: 390K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101664&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > The present work investigates the effect of reactive polyester and kaolin on the mechanical and adhesive properties of brittle epoxy resin. The impact strength (IS), flexural strength and critical stress intensity factor (KC), as well as the adhesive strength under tensile and impact conditions, were evaluated as functions of the modifier content. The results obtained showed an improvement in the impact strength and flexural strength as well as adhesive strength under impact and tensile conditions due to kaolin and polyester addition. However, the flexural modulus decreased with the polyester and increased with the kaolin content. Hybrid compositions containing 30 wt.% of polyester and 30 wt.% of kaolin showed enhanced tensile adhesive strength as well as impact adhesive strength in comparison to the virgin epoxy resin, exhibiting a synergic effect. SEM micrographs confirmed the presence of a regular and homogeneous stratified structure with particles embedded in the polymer matrix, explaining the improvement of mechanical properties. 25 Refs. > > > > --- > > > **Title: PREPARATION OF NANOCOMPOSITES BASED ON LDPE/PERLITE: MECHANICAL AND MORPHOLOGICAL STUDIES** > Page Range: p.639-646 > Author(s): Sahraeian R; Hashemi S A; Esfandeh M; Ghasemi I > File size: 348K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101665&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > Perlite nano-particles were prepared through a mechanical grinding process and surface-modified by poly(methyl hydrogen siloxane) (PMHS). Nanocomposites based on low-density polyethylene (LDPE) and different compositions of treated and untreated nano particles were prepared via melt mixing of the ingredients on a corotating twin screw extruder. Laser light-scattering (LLS) was used to analyse the mean particle size of the nano perlite while Fourier-transform infrared spectroscopy (FTIR) was employed to investigate surface modification of the particles. Scanning electron microscopy (SEM) was used to evaluate the dispersion status of the nano particles in the polymer matrix. Results indicated a relatively good dispersion of the particles (50-500 nm in size) within the LDPE matrix. Mechanical measurements showed remarkable increases in tensile strength and modulus of the nanocomposites containing surface modified perlite, compared to the neat polymer. Also, flexural strength and modulus were increased with increasing nano perlite, while impact properties were reduced. 23 Refs. > > > > --- > > > **Title: EFFECT OF ELECTRON BEAM IRRADIATION ON THE MECHANICAL, THERMAL AND DYNAMIC MECHANICAL BEHAVIOUR OF WASTE POLYETHYLENE-SHORT PET FIBRE COMPOSITES** > Page Range: p.647-658 > Author(s): Sukanya Satapathy; Nag A; Golok Bihari Nando > File size: 500K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101666&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > Electron beam irradiation of short PET fibre-reinforced waste polyethylene, virgin high density polyethylene and blends of waste polyethylene/high density polyethylene in the ratio 50:50 was carried out to study the effects on their physico-mechanical, thermal and dynamic mechanical properties. For comparison short PET fibres alone were irradiated with electron beam, and composites were also prepared with waste polyethylene, high density polyethylene and blends of waste polyethylene with high density polyethylene. Only a single proportion of the PET fibre was used, i.e. 50% by weight, and the dosage of the electron beam was 250 kGy. The results embodied in this paper showed that the tensile strength, flexural strength, flexural modulus, hardness increased with no change in elongation at break when the composites were subjected to the electron beam. The results obtained were confirmed by scanning electron microscopy and thermogravimetric analysis. Dynamic mechanical properties were also measured for suggesting utilisation of these composites for commercial applications. 12 Refs. > > > > --- > > > **Title: DENSITY AND WATER ABSORPTION OF SUGARCANE BAGASSE-FILLED POLY(VINYL CHLORIDE) COMPOSITES** > Page Range: p.659-664 > Author(s): Riza Wirawan; SM Sapuan; Robiah Yunus; Khalina Abdan > File size: 303K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101667&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.7 > > **Abstract** > Sugarcane bagasse is divided into two main components, pith and rind, with 'pith' representing the inner part of the sugarcane bagasse and 'rind' the outer part. In this study, both part of bagasse and were used separately as a filler in poly(vinyl chloride) to construct a natural fibre thermoplastic composite. The bagasse incorporated in poly(vinyl chloride) using internal mixer followed by hot-pressing to obtain a plate of sugarcane bagasse/ PVC composite with various filler loading (10%, 20%, 30%, and 40% in weight). Density of the composites was determined and the composites were subjected to water immersion tests in order to study the effect of filler loading and fibre source on the density and water absorption behaviour. It was observed that the physical properties were influenced significantly by both fibre source and fibre content. 13 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-8/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: INSIGHTS INTO THE ENCAPSULATION PROCESS OF PHOTOVOLTAIC MODULES: GCMS ANALYSIS ON THE CURING STEP OF POLY(ETHYLENE-CO-VINYL ACETATE) (EVA) ENCAPSULANT Page Range: p.665-672 Author(s): Heng-Yu Li;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-8/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: INSIGHTS INTO THE ENCAPSULATION PROCESS OF PHOTOVOLTAIC MODULES: GCMS ANALYSIS ON THE CURING STEP OF POLY(ETHYLENE-CO-VINYL ACETATE) (EVA) ENCAPSULANT** > Page Range: p.665-672 > Author(s): Heng-Yu Li; Theron R; Roder G; Turlings T; Yun Luo; Lange R F M; Ballif C; Laure-Emmanuelle Perret-Aebi > File size: 290K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101700&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > > > **Abstract** > Appropriate encapsulation schemes are essential in protecting the active components of the photovoltaic (PV) module against weathering and to ensure long term reliability. For crystalline cells, poly(ethylene-co-vinyl acetate) (EVA) is the most commonly used PV encapsulant. Additives like peroxides and silanes are formulated in EVA encapsulants to obtain the desired properties, e.g. the desired gel content value and sufficient adhesion after the encapsulation process etc. The identification and control of volatile organic compounds (VOCs) released by the polymeric encapsulant during PV module encapsulation is important for understanding and optimizing processes in order to enhance the encapsulation quality of the manufactured modules. The authors demonstrate how gas chromatography and mass spectrometry (GC-MS) techniques can be used to help understand the curing process, mainly by identifying the VOCs emanating from EVA under the effect of temperature and pressure. The results provide chemical insights into the EVA encapsulation process, which are valuable for further optimisation of the PV module manufacturing process and evaluation of its environmental impact. 26 Refs. > > > > --- > > > **Title: FRICTION AND WEAR OF EPOXY COMPOSITES CONTAINING SILICA NANOPARTICLES GRAFTED BY HYPERBRANCHED AROMATIC POLYAMIDE** > Page Range: p.673-682 > Author(s): Ying Yu; Min Zhi Rong; Ming Qiu Zhang > File size: 408K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101701&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > Nano-sized SiO2 particles grafted with hyperbranched aromatic polyamide were employed as fillers for fabricating epoxy based composites. The hyperbranched aromatic polyamide was selected because its terminal amine groups could take part in the curing reaction of epoxy resin and covalently connect silica nanoparticles with the matrix. The experimental results proved the occurrence of this reaction, and indicated that the presence of the grafted SiO2 in epoxy does not change the overall curing mechanism of epoxy. In comparison to the composites filled with untreated nano-SiO2 particles, the composites with the grafted nano-SiO2 exhibited significantly improved sliding wear resistance and reduced frictional coefficient owing to the strong filler/matrix interfacial bonding. Moreover, hyperbranched aromatic polyamide grafted nano-SiO2 was more effective to enhance tribological properties of epoxy than linear polymers grafted versions. 23 Refs. > > > > --- > > > **Title: DYNAMIC MECHANICAL CHARACTERIZATION OF THE CROSSLINKED AND CHAIN-EXTENDED HTPB BASED POLYURETHANES** > Page Range: p.683-692 > Author(s): Nadeem Ahmad; Khan M B; Xiaoyan Ma; Noaman Ul-Haq; Ihtasham-Ur-Rehman > File size: 301K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101702&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > The viscoelastic response of two different polyurethane (PU) systems (crosslinked and chain-extended) based on hydroxyl terminated polybutadiene (HTPB) were analysed and compared. The PU elastomers were fabricated by reacting HTPB with isophorone diisocyanate. A tri-functional alcohol (1,2,6 hexanetriol) and a bi-functional aliphatic diol (1,4 butanediol) were used as the crosslinking agent and the chain extender respectively. Hydrogen bonding between the hard segments is identified by the IR spectroscopy. The segregation of these segments was manifested by dynamic mechanical analysis at characteristic frequency over a wide range of temperature. The intensity and temperature location of the relaxation peaks was identified and discussed. The phenomenon of viscous dissipation was evaluated by recording the viscoelastic parameters as a function of temperature across a series of frequencies. The results obtained indicate that the chain-extended polymer is phase segregated and more sensitive to temperature rise via viscous dissipation as compared to crosslinked polymer. Both the polymers showed similar glass transition temperature (Tg) and characteristic relaxation times. Master curves for the polymer systems investigated are produced and discussed. 31 Refs. > > > > --- > > > **Title: SYNTHESIS AND CHARACTERIZATION OF MONTMORILLONITE-CARBON NANOTUBES HYBRID FILLERS FOR NANOCOMPOSITES** > Page Range: p.693-700 > Author(s): Madaleno L; Ryszard Pyrz; Jensen L R; Pinto J J C; Lopes A B; Dolomanova V; Schjodt-Thomsen J; Rauhe J C M > File size: 428K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101703&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > Montmorillonite-carbon nanotubes hybrids were prepared by growth of carbon nanotubes (CNT) on five different types of iron-montmorillonite clays using the chemical vapour deposition (CVD) method. Microscopy studies revealed the presence of carbon nanotubes protruding from clay surfaces and linking the clay layers in a network structure. X-ray diffraction results showed changes in the clay interlayer spacing induced by growth of carbon nanotubes within the layers of iron-montmorillonites. The quality of the resulting carbon nanotubes was evaluated by Raman spectroscopy and thermogravimetric analyses were used to evaluate the amount of carbon nanotubes and its thermal stability. The method used for the preparation of the iron-montmorillonites appeared to be critical for the quality and quantity of carbon nanotubes obtained in each hybrid. In a preliminary study the hybrids were used to reinforce polyurethane nanocomposite foams. 23 Refs. > > > > --- > > > **Title: THE STRUCTURE AND NONISOTHERMAL CRYSTALLIZATION KINETICS OF HDPE NANOCOMPOSITES FILLED WITH MG2AL-LDH** > Page Range: p.701-710 > Author(s): Jun Qin; Xiaolang Chen; Jie Yu; Tian Xie; Yaozhu Tian; Qing Lv; Pu Xie > File size: 476K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101704&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > High-density polyethylene (HDPE)/Mg2Al-layered double hydroxide (Mg2Al-LDH) nanocomposites with an ethylene-acrylic acid random copolymer (EAA)/Mg2Al-LDH master batch were prepared by melt-mixing. The structure of the nanocomposites was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The results demonstrate the formation of the nanocomposites with exfoliated/intercalated layered double hydroxides well distributed in the HDPE matrix. The nonisothermal crystallisation behaviour of master batch-based HDPE nanocomposites was studied by using differential scanning calorimetry (DSC). The crystallisation behaviour of HDPE/Mg2Al-LDH nanocomposites was well defined by the Avrami analysis and Jeziorny method, as well as the combined Avrami and Ozawa analysis (MO's model). The results reveal that a very small amount of Mg2Al-LDH (1%) accelerates the crystallisation process in comparison with the neat HDPE, and the high crystallisation rate is attributed to the nucleating effect of the exfoliated nanoparticles. Overall, the exfoliated Mg2Al-LDH particles act as the nucleating agent, and therefore distinctly change the type of nucleation, growth and geometry of HDPE crystals. 36 Refs. > > > > --- > > > **Title: FRACTURE TOUGHNESS OF LAMINATED COMPOSITES - A NON-LINEAR ANALYSIS** > Page Range: p.711-716 > Author(s): Rizov V; Mladensky A > File size: 280K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101705&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > Non-linear fracture behaviour of laminated composite materials under mode I (crack opening) loading conditions was studied experimentally and theoretically. For this purpose, single edge notched tension (SENT) tests were carried-out using displacement-controlled loading under room temperature dry conditions. It was found that the load-displacement diagram had non-linear character prior to onset of macroscopic crack propagation. Thus, the main objective of this paper was to study the fracture properties using non-linear fracture mechanics. A two-dimensional finite element model was set-up in order to analyse the non-linear response of the SENT test specimen. Non-linear deformation due to damage was simulated using the Tsai-Hill failure criterion. The failure analysis revealed that the damage was localized in the vicinity of the crack tip. The fracture response was characterized using a J-integral. It was shown that a realistic appraisal of the potential for crack growth should include the effects of non-linear material deformation. It was found that taking into account the non-linear deformation increased the fracture resistance. This finding was attributed to the increased strain energy dissipation due to the damage induced non-linear behaviour of the SENT test specimen. 32 Refs. > > > > --- > > > **Title: PERFORMANCE OF GRAPHITE FILLED COMPOSITE BASED ON BENZOXAZINE RESIN. II. DECREASING THE MOULDING TIME OF THE COMPOSITE** > Page Range: p.717-724 > Author(s): Hajime Kimura; Keiko Ohtsuka; Akihiro Matsumoto > File size: 355K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101706&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > To put the fuel cell to practical use, it is necessary to reduce its cost for the production of the bipolar plate as one of the components in the cell. Decreasing the moulding (cure) time of the graphite filled composites as a bipolar plate can increase its productivity. In this study, we aimed to decrease the moulding (cure) time of graphite-filled composites based on benzoxazine resin for the bipolar plate. Therefore, phenol novolac resin was added to benzoxazine resin as a curing accelerator. Expanded graphite was used for the preparation of the graphite-filled composites. The composites were prepared by means of the compression moulding of mixtures of graphite and benzoxazine resin containing phenol novolac as a curing accelerator. The properties of the graphite filled composites based on benzoxazine resin containing phenol novolac as a curing accelerator were characterised by mechanical properties, gas permeability and electrical conductivity. As a result, the curing reaction of benzoxazine resin containing phenol novolac as a curing accelerator could proceed more rapidly than that of only benzoxazine resin, and the moulding (cure) time of the composite was decreased. It was found that phenol novolac was an effective moulding accelerator of the graphite filled composites based on benzoxazine resin, and that it could increase the productivity of the bipolar plate using the graphite filled composite based on benzoxazine resin. It was also found that graphite filled composites based on benzoxazine resin containing phenol novolac as a curing accelerator showed good gas impermeability, electrical conductivity and mechanical properties compared with those of the graphite-filled composites based on the conventional phenolic resins. 22 Refs. > > > > --- > > > **Title: EFFECT OF MOLECULAR WEIGHT OF POLYCARBOXYLATE-TYPE SUPERPLASTICIZER ON THE RHEOLOGICAL PROPERTIES OF CEMENT PASTES** > Page Range: p.725-736 > Author(s): Xiongyi Peng; Conghua Yi; Xueqing Qiu; Yonghong Deng > File size: 413K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101707&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > In order to study the effect of molecular weight of polycarboxylate-type superplasticiser (PC) on the rheological properties of cement pastes, PCs with different molecular weights (low, medium, high) were synthesised, and used as superplasticisers for cement suspensions. The effect of molecular weight of PC on the zeta potential, adsorption, and rheological behaviour of the corresponding cement suspensions were investigated systematically. Among the PCs, PC with a medium molecular weight always produced the lowest apparent viscosity for cement pastes at the same shear rate. Compared to PC with a low molecular weight, PC with a high molecular weight presented a stronger initial dispersing ability and a weaker dispersing stabilising ability for cement pastes. In addition, PC with a low molecular weight had an advantage over PC with a high molecular weight for reducing the viscosity of paste in the low added dosage or low water/cement ratio, but the latter had the advantage of reducing the viscosity of the paste when the added dosage or water/cement ratio was high. This understanding of the rheological properties of cement pastes incorporating PC will provide an important reference for the application and synthesis of PC with high efficiency. 28 Refs. > > > > --- > > > **Title: EFFECT OF NANOCLAY ON QUASI STATIC PERFORATION OF THIN-WALLED POLYMER COMPOSITE LAMINATES** > Page Range: p.737-748 > Author(s): Javad Moftakharian Esfahani; Masoud Esfandeh; Ali Reza Sabet > File size: 422K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101708&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > In this study, the penetration and perforation performance of nanoclay reinforced unsaturated polyester resin/ fibreglass nanocomposite laminates have been investigated via quasi-static indentation tests using a hemispherical nose indenter. Unsaturated polyester resin (UP) was mixed with 1.5 and 3 wt.% nanoclay using a homogeniser stirrer to prepare a homogeneous mix. UP reinforced nanocomposite was then utilized to manufacture 150 x 150 mm2 laminated composite panels using 400 g/m2 glass fibre woven roving via a hand lay-up process. X-ray diffractometry, transmission electron microscopy analysis, energy-dispersive X-ray (EDXA) analysis and measurement of viscosity changes in the liquid state resin confirmed the exfoliation and the intercalation of the nanoclay by the unsaturated polyester resin system used. Quasi-static perforation tests were conducted using a surface-hardened steel indenter with a hemispherical tip at 5 and 500 mm/min load rates on nanocomposite laminated plates. Measurement of the quasi-static force as a function of indenter displacement for all the specimens showed four distinct regions, namely penetration, perforation, exit and residual frictional force. The results indicated a clear role being played by the nanoclay filler as a secondary reinforcement, in terms of higher energy absorption in all four regions. 42 Refs. > > > > --- > > > **Title: STUDIES ON THERMOMECHANICAL CHARACTERISTICS OF POLY(METHYL METHACRYLATE) AND ETHYLENE-METHYL ACRYLATE COPOLYMER BLENDS** > Page Range: p.749-754 > Author(s): Poomalai P; Varghese T O; Siddaramaiah > File size: 206K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101709&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.8 > > **Abstract** > Blends of poly(methyl methacrylate) (PMMA) with ethylene - methyl acrylate (EMA) copolymers of different compositions, viz. 95/05, 90/10, 85/15 and 80/20 wt.% were prepared by a melt mixing technique using a twinscrew extruder. The blends were characterized by thermo-analytical methods, viz. differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and dynamic mechanical analysis (DMA). The TGA of PMMA/ EMA blends show that thermal degradation takes place in two steps and the temperature of the decomposition rate maximum is proportional to the compositions of the blends. The DSC studies reveal two glass-transition temperatures (Tg) for all the blends corresponding to their individual components which indicates that the blends are incompatible. The DMA thermograms exhibit two steps in the dynamic modulus-temperature curves for higher EMA content, which is characteristic of immiscible polymers in a two phase system. 27 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-9/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: FIBRE VOLUME FRACTION AND CHAMBER LENGTH IMPACT ON DETACHED VERSUS ATTACHED RESIN INJECTION PULTRUSION Page Range: p.755-766 Author(s): Palikhel D R; Roux J A; Jeswani... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc20-9/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: FIBRE VOLUME FRACTION AND CHAMBER LENGTH IMPACT ON DETACHED VERSUS ATTACHED RESIN INJECTION PULTRUSION** > Page Range: p.755-766 > Author(s): Palikhel D R; Roux J A; Jeswani A L > File size: 859K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101738&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > > > **Abstract** > Resin injection pultrusion is an efficient and highly automated continuous process for high-quality, low-cost, high-volume manufacturing of composites. This research focuses on the impact of the fibre volume fraction and chamber length on resin injection pultrusion. Fibre volume fraction impact on the strength of the final composite is important since higher fibre volume fraction composites generally yield higher strength. Manufacturing composites with higher fibre volume fraction are more difficult because higher fibre volume fractions require higher injection pressures to achieve complete reinforcement wet out and thus yields higher maximum interior chamber wall pressures. In this work the impact of fibre volume fraction on complete wet out of reinforced fibre is investigated in the attached-die and detached-die resin injection pultrusion process with various resin injection chamber length considerations. This work explores the resin minimum injection pressure needed to achieve complete wet out, the corresponding maximum pressure inside the resin injection chamber so as to improve injection chamber design to keep the resin pressure within the injection chamber within reasonable constraints for different fibre volume fractions. 19 Refs. > > > > --- > > > **Title: EXPERIMENTAL CHARACTERIZATION OF A CURING THERMOSET EPOXY-ANHYDRIDE SYSTEM: ANALYSIS OF TIME SWEEP DATA FOR VISCOELASTIC CURE-TEMPERATURE-TIME SUPERPOSITION** > Page Range: p.767-780 > Author(s): Xiaosong Huang; Bhaskar Patham; Hitt J > File size: 867K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101739&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > In this work, a potentially more efficient method for the generation of the cure-temperature-time master curve, using frequency-time-sweep experiments, is discussed in the context of a curing thermoset epoxy resin-anhydride system. The proposed methodology involves the characterisation of the curing resin in the frequency domain rather than the time domain. The successful implementation of this methodology can facilitate capturing the evolution of the resin modulus covering the entire duration of cure (both before and after the onset of gelation), which is not feasible with stress-relaxation based approaches. The experimental method and the analytical procedure adopted for generating the master curve are described in detail. Several challenges involved in the successful implementation of the proposed method are identified, and recommendations to remedy these potential problems, in order to generate a theoretically consistent interpolatable cure-temperature-time master curve, are presented. 15 Refs. > > > > --- > > > **Title: INFLUENCE OF RARE-EARTH COUPLING AGENT ON NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF WOOD FLOUR/POLYPROPYLENE COMPOSITES** > Page Range: p.781-790 > Author(s): Liping Li; Huizi Li; Chuigen Guo > File size: 484K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101740&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > The influence of a rare-earth coupling agent (RE) on the non-isothermal crystallisation behaviour of PP was studied by differential scanning calorimetry. Experimental results showed that use of RE caused a decrease in the crystallisation temperature, melting temperature and crystallinity of PP in WF/RE/PP compared with those in WF/PP. The Avrami, Ozawa and Mo methods were used to describe the crystallisation process. The Avrami and Ozawa methods neglected the secondary crystallisation and followed primary crystallisation. The Mo approach could successfully describe the overall crystallisation process. The relation of the half times of crystallisation (t1/2) of the three samples, t1/2(WF/PP) < F(T)(WF/RE/PP) > > > > --- > > > **Title: CHARACTERIZATION OF BIOCOMPATIBLE SCAFFOLDS BASED ON GELATIN AND HYALURONIC ACID FOR FIBROBLASTS CULTURE** > Page Range: p.791-796 > Author(s): Zhihua Zhou; Zhongmin Yang; Tianlong Huang; Lihua Liu; Qingquan Liu; Wennan Zeng; Dafu Cao; Songjiang Ma > File size: 389K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101741&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > Gelatin/hyaluronic acid (Gel/HA) scaffolds were prepared by using the freeze-drying method after crosslinking with 1-ethyl-(3-3-dimethylaminopropyl) carbodiimide (EDC). The porous structure was characterized by scanning electron microscopy (SEM), and the wettability of Gel/HA film was also studied by measuring their contact angle. The biological behaviour of the scaffolds was analysed by studying the cell behaviour using a fibroblast cell line and standard biological MTT test. The results showed that the scaffold had an inter-connected pore structure with a sufficient pore size for use as a support for the growth of fibroblasts. The contact angle decreased with increasing HA content, whereas the cell attachment and proliferation improved with decreasing HA content. Confocal laser scanning microscopy (CLSM) demonstrated a normal cell distribution and proliferation on the porous Gel/HA scaffolds. 20 Refs. > > > > --- > > > **Title: STUDY ON DIELECTRIC, MECHANICAL AND THERMAL PROPERTIES OF POLYPROPYLENE (PP) COMPOSITES WITH GROUND TYRE RUBBER (GTR)** > Page Range: p.797-808 > Author(s): Mujal-Rosas R; Orrit- Prat J; Ramis-Juan X; Marin-Genesca M; Ahmed Rahhali > File size: 641K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101742&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > Mass production of tyres and their subsequent storage after use is a serious environmental problem whose solution has been attempted in various ways. One of these is the mixture of old, used tyres (GTR) with various thermoplastic and thermostable polymers. These blends are made by modifying the pre-treatment to which the GTR is subjected, the degree of devulcanisation, the mixing or pressing conditions, etc. Later, the mixtures are analysed structurally and mechanically, looking for possible industrial applications. The present work aims to obtain materials suitable for the electrical industry from the mixture of polypropylene (PP) with old used tyres (GTR), starting from the requirement of minimum recycling costs, i.e. by using vulcanised GTR without any prior treatment, but acting on the particle sizes with a simple and inexpensive screening. A large number of composites have been analysed, and these have been submitted to dielectric, mechanical, thermal and microstructural examination. Composites were obtained using the three GTR particle sizes (p<200 mum, 200 > > > > 500 mum), and the seven concentrations of GTR in the composite (0%, 5%, 10%, 20%, 40%, 50% and 70%), meaning a total of 21 new composites. In addition, in order to have the dielectric tests as exhaustive as possible and show the behaviour of the composite under widely changing conditions, a wide range of temperatures (30 deg.C to 120 deg.C) and frequencies (1(.)10-2 Hz and 3(.)106 Hz) were used. All these data have allowed an accurate characterisation of the properties of the new composites, and according to these results, possible electrical applications have been explored, with the requirement that they must comply with Official Regulations. 36 Refs. > > > > --- > > > **Title: THE DECOMPOSITION OF BISPHENOL A DIGLYCIDYL ETHER/ALICYCLIC AMINE HARDENED NETWORKS IN NEAR-CRITICAL WATER** > Page Range: p.809-816 > Author(s): Liu Yuyan; Li Li; Wu Songquan; Liu Yuting > File size: 406K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101743&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > The decomposition of bisphenol A diglycidyl ether/alicyclic amine hardened networks in near-critical water was studied in this paper. It is possible to decompose thermosetting epoxy resin completely at 260 degrees C for 1 h with 1 g/5 ml feedstock ratio. The decomposition rate of epoxy resin increased with an increase in reaction temperature. The decrease in sample size led to higher decomposition rate, and the catalysts NH4Cl and H2SO4 had the higher positive effect on the decomposition rate. Thermogravimetry analysis (TGA) showed that thermal decomposition was not the primary factor for the collapse of networks in the temperature range studied. Gas ChromatographyMass Spectrometry (GC-MS) showed the main components of the soluble decomposed compounds were bisphenol A, hydroxybenzene, olefin and ketone compounds and their content varied during the reaction. The hydrolysis of ether bond was regarded as the key factor in the process of decomposition reaction of bisphenol A diglycidyl ether/alicyclic amine hardened networks. 17 Refs. > > > > --- > > > **Title: MECHANICAL AND THERMAL PROPERTIES ANALYSIS OF POLYPROPYLENE REINFORCED WITH POLYAMIDE MICROFIBRE OBTAINED FROM SHREDDED TYRES** > Page Range: p.817-822 > Author(s): Parres F; Crespo-Amoros J E; Nadal-Gisbert A; Navarro R > File size: 334K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101744&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > The importance of recovering waste materials generated by industrialised societies is mainly due to the environmental impact that they have, and one of the principal problems is the presence of end of life tyres. The use of waste microfibre obtained from shredded tyres as reinforcement in polypropylene matrices offers an interesting opportunity for recycling of the waste microfibre, in order to obtain 'value added products' from polypropylene (PP)/waste microfibre tyre composites. The microfibres obtained from shredded tyres were used as a reinforcing material in compositions with polypropylene (PP). The blending proportions were: (1) 10% microfibre 90% PP; (2) 20% microfibre, 80% PP; (3) 30% microfibre, 70% PP; (4) 40% microfibre, 60% PP, (5) 50% microfibre, 50% PP and (6) 80% microfibre, 20% PP. The mechanical and thermal properties were analysed. In this case polypropylene mixed with polyamide (PA) microfibres show a decrease in tensile strength and elongation at break, however, impact strength and Vicat Softening temperature values increase with polyamide microfibre content. Continuity in the matrix phase was observed by scanning electron microscopy up to loadings of 40% microfibre. 17 Refs. > > > > --- > > > **Title: THE DEVELOPMENT OF A POLYMER COMPOSITE FILAMENT FOR THERMO-SENSITIVE APPLICATIONS** > Page Range: p.823-828 > Author(s): Danmei Sun; Ketan Vadodaria; Stylios G K > File size: 372K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101745&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > A type of smart thermochromic filament has been developed, composed of 35% UMB Blue and 65% polypropylene. It was able to change colour between white and blue depending on the temperature. A set of examinations including DSC, SEM, XRD, FTIR and tensile strength test, has been carried out to study the properties of the smart filament. The successful development of the thermochromic filament will enable textile based smart products to be developed for applications where the effect can be indicated by the change of colour. 12 Refs. > > > > --- > > > **Title: BENTONITE-ACRYLAMIDE-HISTIDINE-CU(II) MICROCOMPOSITE FOR CYTOCHROME C ADSORPTION** > Page Range: p.829-836 > Author(s): Birnur Akkaya; Recep Akkaya > File size: 357K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101746&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > Bentonite-acrylamide-histidine with an average particle diameter of 200-1000 (mu)m was produced by bulk polymerisation of bentonite, acrylamide, bisacrylamide, AIBN and histidine. Bentonite-acrylamide-histidineCu(II) microcomposite was prepared by loading copper ions. The microcomposite was characterized by scanning electron microscopy (SEM), specific surface area and elemental analysis. Cytochrome c adsorption studies were performed, for the first time, by using the new metal chelated affinity support (bentonite-acrylamide-histidineCu(II)) microcomposite in batchwise experiments. 47 Refs. > > > > --- > > > **Title: ANALYSIS OF THE DRAPING BEHAVIOUR OF MULTI-LAYER TEXTILES USING DIGITAL IMAGE PROCESSING** > Page Range: p.837-844 > Author(s): Taha I; Abdin Y; Ebeid S > File size: 901K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101747&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > The draping behaviour of woven fabrics in moulds is essential for the production of textile composites that should fulfil specific aesthetic and performance requirements. This study focuses on the draping behaviour of multiple layers of natural jute and glass fibre woven fabrics and their hybrid combinations. Results show that it is not only the number of layers that plays a vital role in determining the overall draping behaviour of multilayer reinforcements, but also the order in which the setup is prepared. Image processing techniques using Matlab were performed to describe the draping behaviour of single, double and triple layer setups. 16 Refs. > > > > --- > > > **Title: SYNTHESIS AND PROPERTIES OF POLYETHERIMIDES BY NUCLEOPHILIC DISPLACEMENT REACTION** > Page Range: p.845-852 > Author(s): Rajasekar S; Venkatesan D > File size: 323K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101748&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > A series of polyetherimides was prepared by nucleophilic displacement reaction of bisnitrophthalimides containing ether and sulphur linkages with aromatic diols in dimethyl sulphoxide. The two new bisnitrophthalimides, 4,4'-bis(Nphenoxy4-nitrophthaliimide)-2,2'-diphenylisopropylidene and 4,4'-bis(N-phenoxy-4-nitrophthalimide)diphenylsulphide were prepared from the corresponding diamines and 4-nitrophthalic anhydride. The nitro displacement polymerisation yielded high molecular weight polyetherimides with inherent viscosities of 0.460.54 dL/g. The polyetherimides were soluble in dipolar aprotic solvents such as DMSO, DMF and NMP. These polymers had glass transition temperatures around 200 degrees C. Thermogravimetric analysis indicated that the 10% weight loss temperature for these polymers ranged from 430 to 490 degrees C with a high char yield at 800 degrees C. 18 Refs. > > > > --- > > > **Title: EFFECTS OF PLANT POLYPHENOLS ON THE INTERFACE AND MECHANICAL PROPERTIES OF RUBBER/SILICA COMPOSITES** > Page Range: p.853-860 > Author(s): Congsheng Xu; Guokai Xu; Mingliang Du; Han Zhu; Yaqin Fu; Xianming Zhang > File size: 564K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101749&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > Based on the abundant surface hydroxyl groups of plant polyphenols and their tendency for complexation with metal ions, a facile and green approach to improve the interfacial interactions between silica and a rubber matrix is proposed. The interface interactions of plant phenols with silica and Zn ions are characterized by attenuated total refraction Fourier transform infrared spectroscopy (ATR-FTIR) and X-ray photoelectron spectroscopy (XPS). The results suggest that, with the introduction of plant phenols, strong interface interaction between rubber matrix and silica can be formed through hydrogen bonding and chelating effects. The investigation of mechanical performance of the composites indicates that the proposed approach produces remarkable reinforcing effects on the rubber matrix. 26 Refs. > > > > --- > > > **Title: TENSILE AND IMPACT PROPERTIES OF DIFFERENT MORPHOLOGICAL PARTS OF SUGAR PALM FIBRE-REINFORCED UNSATURATED POLYESTER COMPOSITES** > Page Range: p.861-866 > Author(s): Sahari J; Sapuan S M; Ismarrubie Z N; Rahman M Z A > File size: 410K > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101750&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 20 > Issue No: No.9 > > **Abstract** > The present study investigated the tensile and impact behaviour of unsaturated polyester composites reinforced by fibre from different parts of the sugar palm tree. Sugar palm fibre i.e. sugar palm frond (SPF), sugar palm bunch (SPB), black sugar palm fibre (ijuk) and sugar palm trunk (SPT) which have high content of cellulose, low density, abundance and low cost, have the potential for polymer reinforcement. All composites were fabricated and labelled as SPF/PE, SPB/PE, ijuk/PE and SPT/PE. It was found that SPF/PE had the highest tensile strength which was 15.179 MPa ( plus/minus 2.425) followed by SPB/PE, ijuk/PE and SPT/PE with 12.809 MPa ( plus/minus 1.580), 11.473 MPa ( plus/minus 0.536) and 9.817 MPa ( plus/minus 1.890) respectively. For the impact strength analysis, SPF/PE showed the highest value (8.091 kJ m-2). Generally, SPF/PE had better tensile and impact properties than the other composites, due its high cellulose content. 14 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-1/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: THE EFFECTS OF GAMMA IRRADIATION ON MEDICAL GRADE POLY(METHYL METHACRYLATE) Page Range: p.1-8 Author(s): Barton S J; Foot P J S; Miller Tate P C;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-1/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: THE EFFECTS OF GAMMA IRRADIATION ON MEDICAL GRADE POLY(METHYL METHACRYLATE)** > Page Range: p.1-8 > Author(s): Barton S J; Foot P J S; Miller Tate P C; Mariko Kishi; Baljit Ghatora > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101817&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > > > **Abstract** > Within developing countries the most cost-effective polymer used in the fabrication of rigid intraocular lenses (IOLs) is poly(methyl methacrylate) (PMMA), for which gamma irradiation is increasingly being used as the preferred method of sterilisation. Medical grade PMMA samples sterilised using a dose of 29kGy of gamma irradiation, were immersed in a simulated aqueous humour solution (SAHS) (pH 7.4, 35 degrees C), and periodically removed to assess changes in their thermal and structural properties with respect to control samples. Triple detection gel permeation chromatography indicated that substantial chain scission had occurred during gamma irradiation, an adverse effect that also resulted in a small increase in the rate of diffusion of the SAHS into the PMMA. The diffusion coefficient of SAHS into the gamma-sterilised PMMA was 2.7 plus/minus 0.6 x 10^-12 m2 s-1, and that for the control samples was 2.0 plus/minus 0.5 x 10^-12 m2 s-1. Thermomechanical analysis revealed a decreasing Tg with time for samples incubated in SAHS, showing that the solution caused plasticisation irrespective of irradiation; however, the i-sterilised PMMA had a Tg 7 degrees C lower than the control PMMA, which indicates the effect of the e-irradiation on the rigidity of the polymer. 27 Refs. > > > > --- > > > **Title: EFFECT OF ALKALI TREATMENT ON PHYSICAL PROPERTIES OF BIO-BASED COMPOSITES** > Page Range: p.9-20 > Author(s): Williams T; Hosur M; Vaidya U; Jeelani S > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101818&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > In the present study, bast kenaf natural fibres were alkali-treated to determine the effect of treatment on the physical properties of natural fibre-reinforced biocomposites. Both unsaturated polyesters and bio-polyester resins were used as matrices. Other resin systems were studied as well, including a resin made with low VOC, fatty acid-derived reactive diluents. After all the biocomposites had been fabricated via compression moulding, it was observed that the incorporation of alkali-treated fibres in the biocomposites decreased the flexural and thermo-mechanical properties of the biocomposites. It was also observed that mercerizing the kenaf aided in reducing the moisture absorption by 30% and increasing the compressive strength by ~30% compared to that of the untreated biocomposites. The property changes were believed to be the result of crystallinity changes in the kenaf as a result of the treatment. 36 Refs. > > > > --- > > > **Title: SYNTHESIS AND ADSORPTION OF ORGANO-MONTMORILLONITE/POLY(ACRYLIC ACID) SUPERABSORBENT COMPOSITE** > Page Range: p.21-26 > Author(s): Linhui Zhu; Lili Zhang; Yaoji Tang; Jing Yang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101819&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > Organo-montmorillonite /poly (acrylic acid) superabsorbent composite was prepared by intercalation polymerisation of acrylic acid (AA) and organo-montmorillonite (OMMT). The composite was characterized by means of Fourier-transform spectroscopy (FTIR), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). Maximum absorbency of OMMT/PAA in distilled water and 0.9% NaCl was 1439 and 97 g/g, respectively. Water retention of the composite was also tested. The composite was used for removal of heavy metal ions from aqueous solutions. The maximum adsorption capacities for Pb2+, Cu2+ and Ni2+ were 1006.97, 280.56 and 165.67 mg/g, respectively, and the adsorption was consistent with the Freundlich model. It was found that the superabsorbent composite showed good re-use performance in wastewater treatment. 17 Refs. > > > > --- > > > **Title: THE PROPERTIES OF MELT-BLENDED COMPATIBILIZED METALLOCENE POLYETHYLENE/CLAY NANOCOMPOSITES** > Page Range: p.27-36 > Author(s): Wen-Chih Chen; Sun-Mou Lai; Zi Way Wang; Rong Yu Qiu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101820&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > Although it is well known to employ compatibiliser to assist clay dispersion in thermoplastic/clay systems, the properties of compatibilisers have often been neglected. Metallocene polyethylene (mPE)/clay nanocomposites were prepared via a melt-blending approach to further investigate this compatibilisation effect. Maleated mPE (mPE-g-MA) was also prepared as a compatibiliser to improve the dispersion of commercial organoclay. The mPE/mPE-g-MA/clay compatibilised systems showed good dispersion of clay or swollen tactoids through X-ray diffraction (XRD) and transmission electron microscopy (TEM) assessments. The compatibilised cases showed slightly higher crystallisation temperatures at higher clay contents than their counterparts without any compatibiliser. The mechanical properties of the investigated systems were rather complex and unusual. The Young's modulus of compatibilised nanocomposites showed slightly higher values in all investigated cases, stemming from the more effective interfacial interaction. The tensile strength of mPE/clay systems increased with increasing clay content; however, that of mPE/mPE-g-MA/clay systems decreased with increasing clay content due to possible heterogeneous microgel (bound polymer) formation in the compatibilised clay. Lower tear strength for compatibilised cases was found, which was attributed to the low tear strength of the compatibiliser and microgel formation, along with the clay moiety serving as inorganic crosslinks to give less energy dissipation during deformation. The results indicated that high dispersion of clay did not guarantee high strength, and the mechanical properties should be carefully evaluated to exploit the reinforcement of nanocomposites. 32 Refs. > > > > --- > > > **Title: THERMAL AND MECHANICAL REINFORCEMENT OF POLY(METHYL METHACRYLATE) VIA INCORPORATION OF POLYHEDRAL OLIGOMERIC SILSESQUIOXANE** > Page Range: p.37-42 > Author(s): Benhong Yang; Meng Li; Yun Wu; Xingliang Wan > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101821&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > A series of inorganic/organic nanocomposites were prepared by blending cage-like, hydroxyl-bearing polyhedral oligomeric silsesquioxane (HO-POSS) with poly(methyl methacrylate) (PMMA) in THF solvent. Fourier transform infrared spectrophotometry (FTIR) and 29Si-nuclear magnetic resonance (29Si-NMR) were employed to characterize the structures of the HO-POSS/PMMA nanocomposites. Scanning electron microscope (SEM) images showed that the as-prepared composite films were smooth, and no severe aggregation of HO-POSS was observed when POSS content was less than 1.0 wt.%. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) results showed that the incorporation of small amount of nanosized HO-POSS reinforced the thermal stability of PMMA. When 1.0 wt.% of HO-POSS was incorporated into PMMA matrix, the Tg and Td increased by 28.8 degree C and 18.9 degree C, respectively, due to the strong interaction between POSS cages and PMMA chains. However, higher POSS contents (>2.0 wt.%) deteriorated the thermal and mechanical properties of the nanocomposites owing to the phase separation in the composite matrix caused by the aggregation of POSS cages. 21 Refs. > > > > --- > > > **Title: IMPACT OF LINKAGE GROUP IN COMB-LIKE POLYMER ON DISPERSION PROPERTIES OF CEMENT PASTES** > Page Range: p.43-50 > Author(s): Min Qiao; Qianping Ran; Jiaping Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101822&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > The present study aimed to develop a full understanding of the effects of the linkage group type in comb-like polymers on dispersion and dispersion retention of concentrated cement pastes. Two comb-like copolymer dispersants with ester and ether linkage groups were produced. The effects of the linkage group type in the comb-like polymers on the adsorption, dispersion, dispersion retention of the concentrated cement suspensions were investigated systematically. The mechanism of dispersion retention was investigated using isothermal calorimetry measurements and structure stability analysis. The retention of dispersion had a close relationship with the hydration of cement and hydrolysis of side chains. 11 Refs. > > > > --- > > > **Title: SURFACE FREE ENERGY MODIFICATION OF CRUDE RUBBER USING OXYGEN PLASMA AND UV LASER TREATMENT** > Page Range: p.51-54 > Author(s): Gorazd Golob; Marta Klanjsek Gunde; Kaplanova M; Mladen Lovrecek; Miran Mozetic > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101823&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > A study has been made of the surface properties of nitrile-butadiene rubber and ethylene-propylene-diene monomer crude rubber, basic raw materials for offset lithographic printing blankets manufacturing. Increased surface free energy of the crude rubber was achieved by treatment with the low-pressure oxygen plasma. After plasma activation, samples were treated using a UV laser to deactivate the surface layer. The surface free energy was calculated on the basis of contact angles with different liquids. Plasma-treated samples had higher surface free energy, especially the polar component, and the effect was larger for nitrile-butadiene rubber samples. This surface free energy decreased after exposure to UV laser light. FTIR-ATR spectroscopy was used to detect possible changes in chemical structure of the surface, but no differences were obtained. Changes of surface free energy were thus most likely a consequence of changes in the surface structure. 16 Refs. > > > > --- > > > **Title: PROPERTIES OF HYALURONAN/PVA-SBQ COMPOSITE FILMS PROCESSED BY CASTING** > Page Range: p.55-60 > Author(s): Jing Xu; Huiyu Bai; Miao Wang; Wenshui Xia; Xiaoya Liu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101824&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.1 > > **Abstract** > In this report, a novel hyaluronan/PVA-SbQ composite film was prepared by casting method. The miscibility and morphology of the films were investigated by Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). The surface hydrophobicity and the thermal properties of the composite films were examined by contact angle (CA) and thermogravimetric analysis (TGA), respectively. The results showed strong hydrogen bonding interactions and molecular miscibility between the two polymers. A dimerisation reaction of SbQ pendant groups in PVA-SbQ chains induced by UV led to the crosslinking of the composite film. The film displayed enhanced tensile strength and slightly weakened elongation at break after being photo-crosslinked. Such film may be a promising material for food or drug packaging applications. 26 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-2/ # Polymers and Polymer Composites > Polymers and Polymer Composites Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search Title: EFFECTS OF MOULDING CONDITION AND CURING ATMOSPHERE ON THE FLEXURAL PROPERTIES OF VINYL ESTER Page Range: p.61-64 Author(s): Nouranian S; Lee J; Torres G W;... Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc21-2/ # Polymers and Polymer Composites | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: EFFECTS OF MOULDING CONDITION AND CURING ATMOSPHERE ON THE FLEXURAL PROPERTIES OF VINYL ESTER** > Page Range: p.61-64 > Author(s): Nouranian S; Lee J; Torres G W; Lacy T E; Toghiani H; Pittman Jr C U > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101825&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > > > **Abstract** > The effects of moulding condition and curing atmosphere on the flexural properties of a neat 33 wt.%-styrene epoxy vinyl ester (VE) were investigated. Specimens were prepared using either open or closed moulds, and thermally cured under either air or nitrogen atmosphere. Four-point bending tests were performed with both the top ('air-side') and the bottom ('mould-side') surfaces of the cured specimens in tension. The mean flexural moduli for nitrogen-cured and closed-mould specimens were 3% and 9% higher than for air-cured specimens, respectively. However, the mean flexural strength for open-mould air-cured specimens with their air-sides loaded in tension were 65% lower than the mean flexural strengths of open-mould nitrogen-cured or closed-mould specimens. This likely resulted from partial VE resin curing inhibition due to oxygen diffusion into the free surface region of the open-mould air-cured specimens. This creates gradients in the local stiffness and strength in the near-surface region due to lower crosslink density. This effect may be particularly important for thin specimens. These results underscore the significance of exposure to air during open-mould curing on the cured VE flexural properties. Such assessments are crucial for composite part manufacturing utilizing VEs. 26 Refs. > > > > --- > > > **Title: THERMAL, TENSILE AND DYNAMIC MECHANICAL PROPERTIES OF SHORT CARBON FIBRE REINFORCED POLYPROPYLENE COMPOSITES** > Page Range: p.65-72 > Author(s): Chuanbao Wang; Sanjiu Ying > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101826&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > Short carbon fibre (SCF) reinforced composites have made great progress in the last few decades due to their useful properties, and have been used in many areas. In this paper, carbon fibres were cut into short ones with the length from 40 (mu)m to 100 (mu)m and mixed with polypropylene (PP) fibres at the high speed of 105 rpm by HighSpeed Dispersator in reference to the way of papermaking. Three concentrations of SCF, 5, 15 and 25 w%, were used. Composites with good uniform dispersion of SCF in PP matrix were prepared via melting compounding in a twin-screw extruder followed by injection moulding. The effect of SCF content on the thermal and dynamic mechanical properties was studies by using differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA). The SCF dispersed uniformly and aligned along a direction in PP matrix according to the SEM photographs and the incorporation of SCF enhanced the nucleation process, which was confirmed by DSC results. The heat of fusion and crystallinity of the composites also decreased with increasing CFs concentration. In addition, the stiffness of SCF/PP composites increased as the content of SCF increased. Finally, DMA results showed that an increment of SCF could improve the damping properties. 31 Refs. > > > > --- > > > **Title: NANOFLAKE PATTERNING OF SELF-ASSEMBLED MULTILAYER FILMS** > Page Range: p.73-78 > Author(s): Qunwei Tang; Benlin He; Lei Chu > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101827&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > Nanopatterning has attracted much attention because of its growing use in designing nanoelectronic and optoelectronic devices. Development of a facile route to nanopatterning is a persistent goal in nanotechnology. Originating from positively charged polyethyleneimine (PEI) and negatively charged poly(4-styrenesulfonate) (PSS), we successfully designed separable nanoflake patterning using layer-by-layer self-assembly technique by sequential adsorption of PEI and PSS. The morphology and size of the nanopatterning can be controlled by adjusting the number of bilayers in the film. Electrochemical measurements reveal that the (PEI/PSS)n nanoflakes have good electroactivity and permeability for the electrolytes undergoing redox reaction. By controlling the distribution of surface charges on substrates, nanopatterning can be facilely achieved by self-assembly method. 10 Refs. > > > > --- > > > **Title: EVALUATION OF BIOLOGICAL PROPERTIES IN-VIVO OF POLY(L-LACTIDE-COGLYCOLIDE) COMPOSITES CONTAINING BIOACTIVE GLASS** > Page Range: p.79-84 > Author(s): Zhihua Zhou; Lihua Liu; Qingquan Liu; Tianlong Huang; Wennan Zeng; Qingfeng Yi; Zhongmin Yang; Dafu Cao > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101828&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > To evaluate the biological safety of composite materials based on poly(L-lactide-co-glycolide) (PLGA) and bioactive glass (BG), which have a potential application in tissue engineering, the in-vivo biological properties were investigated by applying the micronucleus test, acute systemic toxicity test, haemolytic test and pyrogen measurement. The results indicated that the PLGA/BG composite showed no genetic toxicity; there was no toxicosis or death observed in the acute systemic toxicity test. The haemolytic test suggested that the PLGA/BG composite, with a haemolytic index of 0.281%, did not have an obvious haemolytic reaction. In addition, the PLGA/BG composite materials showed no pyrogen reaction. Therefore, PLGA/BG composite materials could be promising candidate biomedical materials for bone tissue engineering. 20 Refs. > > > > --- > > > **Title: PREPARATION OF A RECOMBINANT SPIDER SILK PROTEIN/PCL BLEND SUBMICROFIBROUS MAT AND ITS CYTOCOMPATIBILITY** > Page Range: p.85-92 > Author(s): Liang Zhao; Denglong Chen; Meihong Wei; Qinghua Yao; Min Li > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101829&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > With electrospinning technology, recombinant spider silk protein/PCL blend submicrofibrous mat was prepared. Its properties as a potential wound dressing material were evaluated by Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR). When the proportion of recombinant spider silk protein/ polycaprolactone (PCL) reached 1:20, the appropriate concentration of spinning solution was 30%. Also, the fibre diameter increased as the nozzle-to-ground distance decreased, or as the extrusion speed increased. The fibres tended to be non-uniform. As shown by FTIR, PCL and recombinant spider silk protein blended together without obvious molecular interaction. MTT assay analysis showed that, compared with PCL scaffold, the toxic level of pNSR16/PCL composite scaffold was below 1, which meets the criteria for biomaterials. NIH-3T3 cells cultivation on the composite scaffolds indicated that pNSR16/PCL composite scaffolds with RGD had better cell adhesion than PCL scaffolds. Immunohistochemical experiments proved that cells on the pNSR16/PCL composite scaffold materials had no effect on normal growth. pNSR16/PCL composite scaffold guaranteed good crawling capacity of cells. 22 Refs. > > > > --- > > > **Title: EFFECT OF GRAPHITE AND CARBON BLACK FILLERS ON THE PROCESSABILITY, ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF POLYPROPYLENE BASED BIPOLAR PLATES** > Page Range: p.93-100 > Author(s): Anett Kiraly; Ferenc Ronkay > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101830&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > This study investigates the hybrid effect between graphite and carbon black in a polypropylene (PP) matrix, based on optical microscopy. PP sheets filled with various types of carbon black and graphite were prepared, and the effects of fillers on the flowability, electrical conductivity and mechanical properties were investigated. The effects of three kinds of carbon black with different specific surface areas (65, 770, 1400 m2/g) on the increase of conductivity in the polypropylene (PP) matrix were compared. The best performance was observed when the carbon black with the highest specific surface was used; therefore it was used for preparing the hybrid-filled (graphite - carbon black) materials by melt blending. Optical microscopic studies proved that the carbon black exerted not only a direct but also an indirect influence on the conductivity and on the mechanical properties of the hybrid composites, as it influenced the distribution of graphite significantly. At lower graphite contents the material became more flexible because of the better dispersion of graphite, but at higher carbon black contents the stiffness increased significantly. 23 Refs. > > > > --- > > > **Title: RHEOLOGICAL BEHAVIOUR OF STYRENE-FREE UNSATURATED POLYESTER-CLAY NANOCOMPOSITES** > Page Range: p.101-110 > Author(s): Amir Masoud Rezadoust; Masoud Esfandeh; Mohammad Hosain Beheshty > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101831&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > The rheological behaviour of styrene-free unsaturated polyester resin-organoclay (Cloisite 15A) nanocomposites at various clay contents, prepared by melt mixing, was investigated. Styrene-free resin was used to achieve high-shear mixing and to avoid viscosity changes due to solvent evaporation. In order to compare the effects of shear- and diffusion-induced phenomena on the intercalation of nanoclay; samples were prepared at two different temperatures of 40 degrees C (cold-mixed) and 150 degrees C (hot-mixed) and tested in the range of 40-120 degrees C using dynamic rheometry. Complex viscosity-temperature curves for cold-mixed samples showed a decrease in viscosity with increasing temperature followed by the formation of a plateau at a particular temperature, depending on the clay content. This behaviour is characteristic of systems with a network structure. The results of small angle X-ray diffraction and TEM analysis confirmed the intercalation of the nanoclay particles as well as a reduction in their thickness. TEM images revealed that the size reduction happened through bending fracture followed by shear delamination of the fractured clay layers. On this basis, a structure of the physical network was proposed to be formed by sticking several nanoclay stacks inside a polymer chain and more involvement of polymer chains with the delaminated layers' ends. A dispersion model was used to quantify and interpret the dispersion status of nanoclay particles in the resin system. 27 Refs. > > > > --- > > > **Title: PHASE TRANSFER CATALYZED POLYMERIZATION OF STYRENE AND GRAFT COPOLYMERIZATION OF STYRENE ONTO GELATIN** > Page Range: p.111-122 > Author(s): Inderjeet Kaur A; Deepika Khanna N > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101832&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > The use of tetrabutylammonium bromide (TBAB), as phase transfer catalyst during polymerisation of styrene in the presence of water-soluble radical initiator, potassium persulphate (KPS), and graft copolymerisation of styrene onto gelatin, a water soluble polymer, using a water-insoluble radical initiator, benzoyl peroxide (BPO), has been explored in a water-benzene biphasic system. The percentage conversion (Pc) of styrene to polystyrene and percent grafting (Pg) of styrene onto gelatin was studied as a function of various reaction parameters. Under optimum reaction conditions, maximum Pc (76%) was obtained at [KPS] = 12.9 x 10^-4 moles/L, [Sty] = 4.3 x 10^-3 moles/L, and maximum Pg (87%) was obtained at [BPO] = 4.6 x 10^-4 moles/L, [Sty] = 13.88 x 10^-3 moles/L using [PTC] = 2.89 x 10^-4 moles/L in 10 mL each of water and benzene in 120 min at 60 degrees C. The graft copolymer, Gelgpoly(Sty), was characterized by IR, Thermogravimetric Analysis, Scanning Electron Microscopy and swelling behaviour in different solvents. Metal uptake and degradation studies of the grafted sample were also carried out. The grafted sample showed maximum uptake for Cu2+ (88%), Ni2+ (80%) and Fe2+ (50%). Degradation studies of Gel-g-poly(Sty) were carried out by soil burial test and UV radiations. Photo-degradation showed better degradation (5.26% wt. loss) in 32 h of exposure to UV radiations as compared to soil burial degradation (8.46% wt. loss) in 30 days. Gelatin-styrene graft copolymers can thus be used as bio- and photo-degradable materials for environmental management. 18 Refs. > > > > --- > > > **Title: STUDY ON CHLORINATION OF MALEIC ANHYDRIDE GRAFTED POLYPROPYLENE** > Page Range: p.123-128 > Author(s): Heqing Fu; Caibin Yan; Xiaoli Wei; Wei Deng; Lina Wang > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101833&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers and Polymer Composites > Issue Year: ppc > Volume: 21 > Issue No: No.2 > > **Abstract** > The non-polarity of polypropylene has restricted its use; therefore it needs to be modified. Maleic anhydride grafted polypropylene(PP-g-MAH) is such a kind of modified polypropylene; however its polarity is still low. In order to improve its polarity, chlorinated maleic anhydride-grafted polypropylene (Cl-PP-g-MAH) prepared by free radical polymerisation was carried out using PP-g-MAH as reaction material, carbon tetrachloride (CCl4) as solvent and benzoyl peroxide (BPO) as initiator. The products were characterized by Fourier Transform Infrared Spectroscopy (FTIR) and Nuclear Magnetic Resonance Spectroscopy (NMR). The effects of the reaction temperature, reaction time, flow rate of chlorine and concentrations of PP-g-MAH and BPO initiator on the degree of chlorination were studied. The optimum technological conditions were obtained, and the surface tension, light transmission, particle size and tensile strength of chlorinated maleic anhydride grafted polypropylene were better than those of maleic anhydride grafted polypropylene. After modification by maleic anhydride and chlorine, PP could meet commercial needs in the fibre composites, adhesives, printing inks, coatings and plastics industries. 18 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-2/ # Polymers and Polymer Composites Vol. 14, No. 2 > Polymers and Polymer Composites Vol. 14, No. 2 keeps issue-level material grouped together inside Polymer Journals.Use this page to continue into related articles and the wider journal coverage.Continue BrowsingBrowse the journalSearch this issue code Canonical URL: https://polymerjournals.com/journals/polymers-and-polymer-composites/ppc14-2/ **Polymers and Polymer Composites Vol. 14, No. 2** keeps issue-level material grouped together inside Polymer Journals. 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Canonical URL: https://polymerjournals.com/journals/polymers-from-renewable-resources/ # Polymers from Renewable Resources | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://prr.jpg) > ISSN (electronic copy): 2045-1377 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Polymers from Renewable Resources Vol. 9, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr9-2&JIP=) | > |  | | | > | Polymers from Renewable Resources Vol. 9, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr9-1&JIP=) | > |  | | | > | Polymers from Renewable Resources Vol. 8, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr8-4&JIP=) | > |  | | | > | Polymers from Renewable Resources 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Source: https://polymerjournals.com/journals/polymers-from-renewable-resources/ # Polymers from Renewable Resources > Bio-based chemistry, renewable feedstocks, and sustainability-focused polymer research are collected here in one place.This landing page gives the subject a clear home within Polymer Journals. Canonical URL: https://polymerjournals.com/journals/polymers-from-renewable-resources/ Bio-based chemistry, renewable feedstocks, and sustainability-focused polymer research are collected here in one place. This landing page gives the subject a clear home within Polymer Journals. --- Source: https://polymerjournals.com/journals/polymers-from-renewable-resources/ # Polymers from Renewable Resources > Polymers from Renewable Resources Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 2045-1377 2019 Subscription Rate: £420 Polymers from Renewable Resources Vol. 9, No.2, 2018 View this issue Polymers from Renewable Resources... Canonical URL: https://polymerjournals.com/journals/polymers-from-renewable-resources/ # Polymers from Renewable Resources | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://prr.jpg) > ISSN (electronic copy): 2045-1377 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Polymers from Renewable Resources Vol. 9, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr9-2&JIP=) | > |  | | | > | Polymers from Renewable Resources Vol. 9, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr9-1&JIP=) | > |  | | | > | Polymers from Renewable Resources Vol. 8, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr8-4&JIP=) | > |  | | | > | Polymers from Renewable Resources 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issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr1-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Polymers from Renewable Resources Vol. 9, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr9-2&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 9, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr9-1&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 8, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr8-4&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 8, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr8-3&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 8, No.2, 2017 | ![](http://view1.gif) | [View this 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Polymers from Renewable Resources Vol. 6, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr6-4&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 6, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr6-3&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 6, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr6-2&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 6, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr6-1&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 5, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr5-4&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 5, No.3, 2014 | ![](http://view1.gif) | [View this 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Polymers from Renewable Resources Vol. 4, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr4-1&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 3, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr3-4&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 3, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr3-3&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 3, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr3-2&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 3, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr3-1&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 2, No.4, 2011 | ![](http://view1.gif) | [View this 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Polymers from Renewable Resources Vol. 1, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr1-2&JIP=) | |  | | | | Polymers from Renewable Resources Vol. 1, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prr&JournalIssue=prr1-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/polymers-from-renewable-resources/prr6-3/ # Polymers from Renewable Resources > Polymers from Renewable Resources Please enter your login details below: User Name: Password: Back Search Title: Treatment of a cellulose fiber surface with a suberin monomer-derived polymer Page Range: p.75-90 Author(s): Dongfang Li; Iversen T; Ek M File size: Download the pdf... Canonical URL: https://polymerjournals.com/journals/polymers-from-renewable-resources/prr6-3/ # Polymers from Renewable Resources | > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: Treatment of a cellulose fiber surface with a suberin monomer-derived polymer** > Page Range: p.75-90 > Author(s): Dongfang Li; Iversen T; Ek M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prr&JournalIssue=prr6-3&JournalID=102492&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers from Renewable Resources > Issue Year: prr > Volume: 6 > Issue No: No.3 > > > > **Abstract** > The biorefinery concept requires the development of value-added products, such as materials from biomass, including bark. Suberin is the most abundant component in birch (Betula verrucosa) outer bark and acts as a barrier against the penetration of water and external attacks from microorganisms. The aliphatic domain of suberin is rich in hydroxy fatty acids, such as cis-9,10-epoxy-18hydroxyoctadecanoic acid. In this study, it was isolated from the outer bark of birch and polymerised to prepare polyepoxy acid (PEA), which was used to impregnate filter papers. After complete drying, PEA-loaded filter papers were placed under UV to crosslink the epoxides through cationic polymerisation with a diaryliodonium salt as the photo-initiator. The crosslinking was evaluated using Fourier transform infrared (FTIR) spectroscopy and differential scanning calorimetry (DSC). The materials obtained after UV curing showed substantially increased hydrophobicity, decreased moisture absorption, increased tensile strength, and increased ductility. Field-emission scanning electron microscopy (FE-SEM) showed that the crosslinked PEA covered the surface of the cellulose fibres and filled the interstitial spaces. 45 Refs. > > > > --- > > > **Title: Influence of botanic origin on the morphology and size of starch nanoparticles from Andean native starch sources** > Page Range: p.91-104 > Author(s): Torres F G; Troncoso O P; Vega J; Wong M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prr&JournalIssue=prr6-3&JournalID=102493&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers from Renewable Resources > Issue Year: prr > Volume: 6 > Issue No: No.3 > > **Abstract** > For the first time we report the extraction of starch nanoparticles from six varieties of native Andean potatoes. The starch granule size, amylose content and nanoparticle size varied with each different starch source. The size of the nanoparticles obtained ranged 65-278nm. No direct correlation was found between granule size and nanoparticle size. We have found that starches with similar amylose content can render nanoparticles of different sizes when they are obtained from different varieties of potatoes. 3 Refs. > > > > --- > > > **Title: Production and characterization of gelatin-starch polymer matrix reinforced with cellulose fibers** > Page Range: p.105-118 > Author(s): Rodriguez-Castellanos W; Rodrigue D; Martinez-Bustos F; Jimenez-Arevalo O; Stevanovic T > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prr&JournalIssue=prr6-3&JournalID=102494&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Polymers from Renewable Resources > Issue Year: prr > Volume: 6 > Issue No: No.3 > > **Abstract** > In order to produce gelatin-starch polymer matrix reinforced with cellulose using twin-screw extrusion and compression moulding, gelatin-potato starch and gelatin-corn starch formulations were plasticised with glycerol (25% w/w) and reinforced with cellulose (0.34% w/w and 0.68% w/w dry basis) to produce flat sheets. According to the analysis of variance performed, adding TEMPOcellulose in the formulations decreased tensile strain at yield, but increased Young's modulus depending on the type of starch used in the formulation. Scanning electron microscopy and thermogravimetric analyses showed that the formation of a polymer matrix from gelatin/potato starch/TEMPO-cellulose and gelatin/corn starch/TEMPO-cellulose was successfully achieved. 46 Refs. > > > > --- | | | | --- | --- | --- | | **![](http://key.gif)Please enter your login details below:** | | | | User Name: | | | | Password: | | | --- Source: https://polymerjournals.com/journals/polymers-from-renewable-resources/prr1-1/ # Polymers from Renewable Resources Vol. 1, No. 1 > Polymers from Renewable Resources Vol. 1, No. 1 keeps issue-level material grouped together inside Polymer Journals.Use this page to continue into related articles and the wider journal coverage.Continue BrowsingBrowse the journalSearch this issue code Canonical URL: https://polymerjournals.com/journals/polymers-from-renewable-resources/prr1-1/ **Polymers from Renewable Resources Vol. 1, No. 1** keeps issue-level material grouped together inside Polymer Journals. Use this page to continue into related articles and the wider journal coverage. ## Continue Browsing - [Browse the journal](https://polymerjournals.com/journals/polymers-from-renewable-resources/) - [Search this issue code](https://polymerjournals.com/search/?s=prr1-1) --- Source: https://polymerjournals.com/journals/polymers-from-renewable-resources/prr4-1/ # Polymers from Renewable Resources Vol. 4, No. 1 > Polymers from Renewable Resources Vol. 4, No. 1 keeps issue-level material grouped together inside Polymer Journals.Use this page to continue into related articles and the wider journal coverage.Continue BrowsingBrowse the journalSearch this issue code Canonical URL: https://polymerjournals.com/journals/polymers-from-renewable-resources/prr4-1/ **Polymers from Renewable Resources Vol. 4, No. 1** keeps issue-level material grouped together inside Polymer Journals. Use this page to continue into related articles and the wider journal coverage. ## Continue Browsing - [Browse the journal](https://polymerjournals.com/journals/polymers-from-renewable-resources/) - [Search this issue code](https://polymerjournals.com/search/?s=prr4-1) --- Source: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology > Progress in Rubber, Plastics and Recycling Technology Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2413 2019 Subscription Rate: £420 Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.2, 2018 View... Canonical URL: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://prprt.jpg) > ISSN (electronic copy): 1478-2413 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.4, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.3, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No.4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 4, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 3, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 2, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 4, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 3, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 2, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 1, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 4, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-1&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-4&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-3&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-2&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.4, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.3, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No.4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 4, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 3, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 2, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 4, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 3, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 2, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 1, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 4, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-1&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-4&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-3&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-2&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/prprt29-1/ # Progress in Rubber, Plastics and Recycling Technology > Progress in Rubber, Plastics and Recycling Technology Please enter your login details below: User Name: Password: Back Search Title: DEGRADATION BEHAVIOUR OF NATURAL RUBBER LAYERED SILICATE NANOCOMPOSITES Page Range: p.1-20 Author(s): Shera Mathew; Siby Varghese; Rani Joseph File size: Download the pdf... Canonical URL: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/prprt29-1/ # Progress in Rubber, Plastics and Recycling Technology | > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: DEGRADATION BEHAVIOUR OF NATURAL RUBBER LAYERED SILICATE NANOCOMPOSITES** > Page Range: p.1-20 > Author(s): Shera Mathew; Siby Varghese; Rani Joseph > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101834&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.1 > > > > **Abstract** > The degradation behaviour of natural rubber latex nanocomposites employing various degrading agents viz. thermal, gamma and UV radiations, chlorination, sterilisation, ozone and solvents, was studied in detail. It was found that the layered silicate nanocomposite performed well in the presence of most of the degrading agents and such materials are suitable for processes such as chlorination, sterilisation etc. It was observed that the degrading action was arrested either due to the hindrance exerted by the clay layers against crack propagation or due to the barrier effect against the degrading agents. A better interaction of nanosilicates was found with a polymer matrix due to their higher surface area, making the matrix stiffer and the diffusion of heat and gases through the bulk more difficult hence, retarding the degradation of the composite. These points were illustrated using XRD, TEM, SEM and TGA studies. Kraus plot showed a strong filler-rubber interface in rubber nanocomposites. Schematic representation of the degradation of the nanocomposite demonstrated the effect of nanofillers in chain scission or crosslinking, which may occur during degradation. 28 Refs. > > > > --- > > > **Title: INVENTORY ANALYSIS ON THE EFFECT OF END-OF-LIFE PASSENGER VEHICLE PLASTIC BUMPER RECYCLING IN CHINA** > Page Range: p.21-38 > Author(s): Zhang Hongshen; Chen Ming > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101835&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.1 > > **Abstract** > Pollution caused by the automotive industry has become a global threat to the environment and human existence, drawing great attention from an increasing number of countries. In this paper, the material depletion, energy consumption, and environmental emissions of each bumper life cycle unit were analysed using the inventory analysis method to determine the effect of passenger vehicle plastic bumper recycling on the eco-environment of China. The analysis provides a relevant reference for the recycling of other automobile materials and establishes a good foundation for car-related environmental policies and the sustainable development of the Chinese automobile industry. 32 Refs. > > > > --- > > > **Title: THERMOGRAVIMETRIC AND MORPHOLOGIC ANALYSIS OF OXO-DEGRADABLE POLYETHYLENE FILMS AFTER ACCELERATED WEATHERING** > Page Range: p.39-54 > Author(s): Jalma Maria Klein; Gustavo Roberto Ramos; Ana Maria Coulon Grisa; Nichele Brandalise R; Mara Zeni > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101836&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.1 > > **Abstract** > The degradation of polyethylene films containing a prodegradant additive has been studied after exposure to accelerated weathering for 480 hours. After exposure, the effects of photo-oxidation were evaluated by thermogravimetry, infrared spectroscopy and X-ray diffraction. The kinetics of the thermo-oxidative degradation of polyethylene films, with and without the prodegradant additive, was assessed by applying the Flynn-Wall-Ozawa method to thermogravimetric analysis carried out at different heating rates. The values of activation energy for samples with and without the prodegradant additive were in the range of 166-214 kJ/mol, and increased, after exposure to accelerated weathering, to values in the range of 245-279 kJ/mol. After exposure, the crystallinity index increased by 9 percentage points for the polyethylene sample without the prodegradant additive and by 8 percentage points for the sample containing the prodegradant additive. For both samples exposed to accelerated weathering, an increase in the carbonyl index was observed. The use of the prodegradant additive caused more evident changes in the crystalline regions of the polymer than in the amorphous regions; the results of this study are thus important from the standpoint of degradation, since the crystalline regions are considered difficult to degrade. 27 Refs. > > > > --- > > > **Title: ANALYSIS OF THE WATER ASSISTED INJECTION TECHNIQUE BY USING ULTRASONIC** > Page Range: p.55-68 > Author(s): Becker S; Hopmann Ch > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101837&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.1 > > **Abstract** > Water-assisted injection technique (WAIT) is well established for the production of plastics parts with functional hollow sections. This technique is widely used to manufacture handholds and pipes for transportation of fluids in particular. The process sequence of WAIT is characterised by the injection of water into the mould part after the filling stage. Thus, the still liquid melt is displaced and a cavity is formed in the interior of the part. Since WAIT is primarily used for the production of technical parts, a comprehensive quality control and process monitoring is essential [2, 3]. The moulding process is much more complex compared to the injection moulding of compact parts. Furthermore, internal properties (e.g. the residual wall thickness, eccentricity) or internal part defects (e.g. water inclusions) play a decisive role in the compliance with quality requirements. A promising approach in this context is the utilisation of the ultrasonic measurement technology for the analysis of the hollow space formation and for the identification of internal part properties. 5 Refs. > > > > --- | | | | --- | --- | --- | | **![](http://key.gif)Please enter your login details below:** | | | | User Name: | | | | Password: | | | --- Source: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/prprt29-3/ # Progress in Rubber, Plastics and Recycling Technology > Progress in Rubber, Plastics and Recycling Technology Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Click Here To Logout Back Search Title: DEVELOPMENT OF A RUBBER-BASED PRODUCT USING A MIXTURE EXPERIMENT: A CHALLENGING CASE STUDY Page Range: p.123-150 Author(s): Yahya... Canonical URL: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/prprt29-3/ # Progress in Rubber, Plastics and Recycling Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.**   [Click Here To Logout](http://journals.asp?Page=111&Action=JournalLogout) > ![](http://arrow.gif)[Back]()  [Search](http://search.asp) > > > > **Title: DEVELOPMENT OF A RUBBER-BASED PRODUCT USING A MIXTURE EXPERIMENT: A CHALLENGING CASE STUDY** > Page Range: p.123-150 > Author(s): Yahya Kaya; Piepel G F; Erdal Caniyilmaz > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101911&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.3 > > > > **Abstract** > Many products used in daily life are made by blending two or more components. The properties of such products typically depend on the relative proportions of the components. Experimental design, modelling, and data analysis methods for mixture experiments provide for efficiently determining the component proportions that will yield a product with desired properties. This article presents a case study of the work performed to develop a new rubber formulation for an o-ring (a circular gasket) with requirements specified on 10 product properties. Each step of the study is discussed, including: 1) identifying the objective of the study and requirements for properties of the o-ring, 2) selecting the components to vary and specifying the component constraints, 3) constructing a mixture experiment design, 4) measuring the responses and assessing the data, 5) developing property-composition models, 6) selecting the new product formulation, and 7) confirming the selected formulation in manufacturing. The case study includes some challenging and new aspects, which are discussed in the article. 17 Refs. > > > > --- > > > **Title: EFFECT OF FLY ASH AS FILLER IN RUBBER - A COMPREHENSIVE STUDY OF THE VULCANISATE PROPERTIES OF STYRENE-BUTADIENE RUBBER COMPOUNDS** > Page Range: p.151-168 > Author(s): Mridul Dasgupta; Saptarshi Kar; Saikat Das Gupta; Rabindra Mukhopadhyay; Abhijit Bandyopadhyay > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101912&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.3 > > **Abstract** > The effect of fly ash as a filler for an ESBR-based compound was studied in the range 0-80 phr. Characterisation of fly ash, as received, revealed the abundance of 200 mesh size particles with an average diameter of 10 (mu)m; composition analysis showed the predominance of silica and alumina. The properties of ESBR compounds filled with fly ash particles of T200 mesh were compared with those of clay- and whiting-filled compounds. The cure rate index remained unchanged for fly ash throughout the range of loading studied here; clay showed a lower cure rate, and whiting showed a higher value than fly ash. The 300% modulus values did not show any improvement with increase in fly ash loading, the values being comparable with those for whiting and inferior to those for clay. Fly ash gives the lowest heat build-up and tan delta (at 70 degrees C) values among the three fillers under discussion. 26 Refs. > > > > --- > > > **Title: CONTROLLABLE MICROWAVE-ASSISTED POLYCARBONATE WASTE CHEMICAL RECYCLING** > Page Range: p.169-176 > Author(s): Mir Mohammad Alavi Nikje; Askarzadeh M > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101913&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.3 > > **Abstract** > A simple, convenient and novel method was developed for the recovery of bisphenol-A from polycarbonate wastes under microwave irradiation. In this study bisphenol-A was recovered at a 100% yield by using a mixture of glycerol/water as the green solvent and sodium hydroxide as the catalyst, respectively. This methodology can overcome the disadvantages existing in traditional methods such as long reaction times, high energy consumptions, use of harmful reagents and environmental problems, and is applicable to all types of polycarbonates. 18 Refs. > > > > --- > > > **Title: MECHANICAL PROPERTIES OF THE COMPOSITE MATERIAL BASED ON MODIFIED SCRAP TIRES AND POLYMER BINDER** > Page Range: p.177-187 > Author(s): Plesuma R; Megne A; Mateusa-Krukle I; Malers L > File size: > ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101914&JIP=) (subscribers only) > ![](http://handbuy.gif) Buy the pdf (non-subscribers) > Journal: Progress in Rubber, Plastics and Recycling Technology > Issue Year: prprt > Volume: 29 > Issue No: No.3 > > **Abstract** > The present work focuses on the investigation of the mechanical properties of the composite material composed of preliminary modified rubber crumb and a polymer binder. The modification of rubber crumb was realized by means of treatment with water or sulphuric acid, in order to change the degree of polymer crosslinking or to intensify adhesion interaction between rubber particles and polymer binder. The Shore C hardness, compressive stress at 10% deformation and compression modulus of elasticity, ultimate tensile strength and elongation at break of composite material, in correlation with its composition and adhesion between rubber and polymer binder were investigated. Obtained results show possibility of attaining significant changes in the mechanical properties of composite material by selected rubber crumb treatment methods, in correlation with the composite material composition. This gives additional opportunity for meaningful improvement of composite material production technology. 13 Refs. > > > > --- | | --- | --- Source: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology > Progress in Rubber, Plastics and Recycling Technology Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Click Here To Logout Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2413 2017 Subscription Rate: £420 Progress in Rubber, Plastics and Recycling Technology Vol.... Canonical URL: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.**   [Click Here To Logout](http://journals.asp?Page=111&Action=JournalLogout) > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://prprt.jpg) > ISSN (electronic copy): 1478-2413 > 2017 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.4, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.3, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No.4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 4, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 3, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 2, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 4, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 3, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 2, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 1, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 4, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-1&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-4&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-3&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-2&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.4, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.3, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No.4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 4, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 3, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 2, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 4, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 3, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 2, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 1, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 4, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-1&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-4&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-3&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-2&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-1&JIP=) | |  | | | --- Source: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology > This journal section focuses on rubber processing, plastics engineering, recycling workflows, and industrial materials practice.It gives readers a stable modern landing page for this part of the site. Canonical URL: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ This journal section focuses on rubber processing, plastics engineering, recycling workflows, and industrial materials practice. It gives readers a stable modern landing page for this part of the site. --- Source: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology > Progress in Rubber, Plastics and Recycling Technology Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT. Back Search ISSN (hard copy): ISSN (electronic copy): 1478-2413 2019 Subscription Rate: £420 Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.2, 2018 View... Canonical URL: https://polymerjournals.com/journals/progress-in-rubber-plastics-and-recycling-technology/ # Progress in Rubber, Plastics and Recycling Technology | **Logged into APC, CP, IPSAT, PPC, PRR, RRR & PRPRT.** > ![](http://arrow.gif) > > > > Back > > > >   [Search](http://search.asp) > > > > ISSN (hard copy): ![](http://prprt.jpg) > ISSN (electronic copy): 1478-2413 > 2019 Subscription Rate: £420 > > > |  | | | > | --- | --- | --- | > | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.2, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.1, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.4, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.3, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No.2, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 30, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.4, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.3, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No.4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 2, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 1, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 4, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 3, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 2, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 23, No. 1, 2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 4, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 3, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 2, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 21, No. 1, 2005 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt21-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 4, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 3, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 2, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 1, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-1&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 4, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-4&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 3, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-3&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 2, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-2&JIP=) | > |  | | | > | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-1&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-4&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-3&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-2&JIP=) | > |  | | | > | Progress in Rubber and Plastics Technology Vol. 17, No. 1, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-1&JIP=) | > |  | | | | | | | --- | --- | --- | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.2, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 34, No.1, 2018 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt34-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.4, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.3, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.2, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 33, No.1, 2017 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt33-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.4, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.3, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.2, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 32, No.1, 2016 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt32-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.4, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 31, No.3, 2015 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt31-3&JIP=) | |  | | | | Progress in Rubber, Plastics and 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| Progress in Rubber, Plastics and Recycling Technology Vol. 30, No. 1, 2014 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt30-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.4, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.3, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.2, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 29, No.1, 2013 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt29-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.4, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.3, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.2, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 28, No.1, 2012 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt28-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.4, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.3, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.2, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 27, No.1, 2011 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt27-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.4, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.3, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.2, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 26, No.1, 2010 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt26-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.4, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.3, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.2, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 25, No.1, 2009 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt25-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No.4, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 3, 2008 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt24-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 24, No. 2, 2008 | ![](http://view1.gif) | [View this 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2007 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt23-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 4, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 3, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 2, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 22, No. 1, 2006 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt22-1&JIP=) | |  | | | | Progress in Rubber, Plastics 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|  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 3, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-3&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 2, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 20, No. 1, 2004 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt20-1&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 4, 2003 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt19-4&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 19, No. 3, 2003 | ![](http://view1.gif) | [View this 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2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-2&JIP=) | |  | | | | Progress in Rubber, Plastics and Recycling Technology Vol. 18, No. 1, 2002 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prprt18-1&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 4, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-4&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 3, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-3&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 2, 2001 | ![](http://view1.gif) | [View this issue](http://journals.asp?Page=111&JournalType=prprt&JournalIssue=prpt17-2&JIP=) | |  | | | | Progress in Rubber and Plastics Technology Vol. 17, No. 1, 2001 | 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Canonical URL: https://polymerjournals.com/artemis-ii-looks-closer-to-the-pad-as-nasa-reports-a-smoother-countdown/ Byline: NASA Published: 2026-04-18T20:49:58+00:00 Categories: News, Technology ![NASA's Artemis II SLS (Space Launch System) rocket and Orion spacecraft on the launch pad during a wet dress rehearsal in February 2026](https://polymerjournals.com/wp-content/uploads/2026/04/Artemis_II_Looks_Closer_to_the_Pad_as_NASA_Reports_a_Smoother_Countdown.jpg) After a frustrating run of delays, leaks and technical snags, NASA says conditions are finally looking more favorable for Artemis II, the mission set to send astronauts toward the Moon for the first time since the Apollo era. In the latest prelaunch reporting, covered by the [Associated Press](https://apnews.com/article/nasa-moon-artemis-astronauts-f3f49214618099a98338835715e4562a), officials said the countdown had been trouble-free and weather forecasters were giving the launch a strong chance of acceptable conditions. For a mission carrying four astronauts on one of the most closely watched flights in modern spaceflight, that is a meaningful shift. NASA does not get many easy Moon launches. Artemis II depends on a narrow combination of hardware readiness, weather, fuel-handling stability and timing in space. That means even small problems on the ground can force a delay of days or weeks. So when officials at Kennedy Space Center describe the rocket as performing well on the pad and the forecast as promising, it is more than a routine update. It is a sign that the agency may finally be lining up the many moving parts needed to push a crewed lunar mission off Earth. Senior test director Jeff Spaulding summed up the mood simply: everybody understands the significance of this launch. That is not hard to see. Artemis II is not just another crewed mission. It is meant to be the first time humans have traveled back into deep space, beyond low Earth orbit, since Apollo 17 in 1972. ## The mission is short on landing drama, but huge in historical weight Artemis II will not land on the Moon. It will not even slip into lunar orbit. Instead, the spacecraft will carry its crew around the Moon on a free-return trajectory and then head back to Earth. That might sound modest compared with the Moon landings of the late 1960s and early 1970s, but it is exactly the kind of flight NASA needs before attempting a lunar landing mission later in the Artemis program. The crew will test the Orion spacecraft in the harsh environment beyond Earth orbit, where communications, navigation, life-support systems, radiation exposure and crew operations become far more demanding. Every stage of the mission matters: launch, separation, outbound cruise, the lunar flyby, return transit, re-entry and splashdown. Artemis II is therefore both a symbolic return and a practical shakedown of the systems NASA wants to trust for future missions. That is why the latest launch outlook matters so much. A crewed Moon mission can tolerate neither uncertainty nor improvisation. NASA must be satisfied not only that the rocket can leave the pad, but that the vehicle stack, the fueling systems, the ground hardware and the forecast all sit within strict safety limits. ## Why recent delays have been so important The path to this launch attempt has not been smooth. NASA had already been forced to slip the mission after hydrogen fuel leaks caused concern. Then another problem, involving clogged helium lines, pushed the schedule back again. Neither issue sounds glamorous, but both strike at the center of launch reliability. Hydrogen is an especially difficult propellant to work with. It is extremely cold in liquid form, its molecules are tiny and it can escape through places that would hold other gases more easily. That makes seals, valves, joints and feed systems crucial. When hydrogen leaks appear during launch processing, engineers do not treat them casually. They stop, inspect, retest and only move forward when they are confident the system is behaving within expected limits. Helium, meanwhile, plays a quieter but still essential role in many launch systems. It is often used to pressurize tanks and help manage fluid movement. A clogged helium line can affect operations in ways that are hard to wave away, because launch systems are tightly choreographed. If the flow of a pressurizing gas is not right, the effects can ripple into fueling sequences and vehicle performance margins. That helps explain why Artemis II has reached this moment only after repeated caution. NASA knows the mission carries not just a crew, but the political and technical future of the Artemis program. A rushed launch would be a self-inflicted mistake. ## The crew carrying the weight of a new lunar era The four astronauts assigned to Artemis II are three Americans and one Canadian: Reid Wiseman, Victor Glover, Christina Koch and Canadian Space Agency astronaut Jeremy Hansen. Together they represent more than a single crew manifest. They are the first people selected to travel toward the Moon in more than half a century. ![NASA astronauts (left to right) Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, pictured at NASA's Kennedy Space Center in Florida ahead of the launch](https://polymerjournals.com/wp-content/uploads/2026/04/Artemis_II_Looks_Closer_to_the_Pad_as_NASA_Reports_a_Smoother_Countdown-1.jpg) The international aspect is also important. Artemis has been framed not only as a US program, but as a broader coalition effort involving multiple agencies and partner nations. Hansen's presence on the crew reflects that strategy. So does the wider Artemis architecture, which is designed to support future cooperation in cislunar space and on the lunar surface. For the astronauts themselves, the mission will be unusual. They will be close enough to the Moon to experience the reality of deep-space flight, but without the landing operations that people often associate with lunar exploration. That changes the public picture of the mission, but not its difficulty. A crewed lunar flyby still demands confidence in navigation, power, propulsion, communications and crew safety over a long-distance mission profile that no human space program has attempted in generations. ## Why weather and launch windows matter so much NASA reportedly had only a small number of days each month when it could send Artemis II on its planned path to the Moon. That is one of the less visible reasons launch delays become so painful. The Moon does not wait for a convenient calendar slot and the mission's trajectory has to align with orbital mechanics, lighting, recovery conditions and spacecraft performance constraints. Then there is the weather. A forecast showing 80% odds of favorable conditions is good news, but it is not a guarantee. Launch weather rules are strict because rockets are vulnerable to wind, lightning, clouds with certain electrical properties, precipitation and field conditions downrange. When the mission involves a crew and a giant lunar rocket, the standards only become tighter. Weather on launch day also connects to safety after liftoff. NASA and its partners consider not just the moment of ignition, but the broader environment the vehicle may encounter as it climbs. Thunderstorms, anvil clouds, upper-level winds and triggered lightning risks can all become reasons to scrub. That is why officials sound cautious even when they sound optimistic. A calm countdown and a positive forecast are necessary ingredients, but not the whole recipe. ## The rocket at the center of it all Artemis II will fly atop NASA's Space Launch System, or SLS, the agency's heavy-lift rocket developed for deep-space missions. Sitting above it is Orion, the spacecraft designed to carry astronauts beyond low Earth orbit. Together they form the backbone of NASA's current human lunar strategy. SLS is powerful, but like most giant rockets it is also unforgiving. Large cryogenic stages, complex fueling systems and ground umbilicals mean there are many places where temperatures, pressures and timing must stay inside narrow bands. The hydrogen leak issues that delayed Artemis II are a reminder that in rocketry, success often depends less on headline-making hardware than on whether valves, seals, lines and interfaces behave exactly as intended during the final hours before launch. That is one reason launch campaigns are often described as tests as much as operations. Every countdown is a real-time examination of the full system. The rocket can look perfect in planning documents and still present surprises when tanks are loaded, temperatures plunge and gases start moving through the plumbing at operational rates. For NASA, a smooth countdown after earlier trouble is therefore a strong signal. It suggests the corrective actions taken after the previous issues may be holding up under realistic conditions. It does not erase all risk, but it does improve confidence. ## What Artemis II is meant to prove NASA's earlier Artemis I mission sent an uncrewed Orion around the Moon and back. Artemis II raises the stakes by putting people on board. That changes everything. Human-rating a mission means the spacecraft must sustain a habitable environment, support the crew through contingencies and deliver them safely home after a high-speed return through Earth's atmosphere. In that sense, Artemis II is a bridge mission. It sits between a largely automated test flight and the more ambitious crewed lunar missions NASA wants to carry out next. If it goes well, the flight will strengthen the case that Orion, SLS and the broader Artemis framework are ready for the next step. If it runs into major trouble, the consequences could reach far beyond a single mission timeline. The mission is also intended to restore operational knowledge that has been absent since the Apollo years. Space agencies have gained enormous expertise in low Earth orbit through the space shuttle era and the International Space Station, but lunar flight is a different category. Communications delays are longer. Abort options are different. Thermal and power planning change. So do crew psychology and mission operations when Earth is no longer close by. Artemis II, in other words, is not just about going back. It is about relearning how to work in a part of space humans once visited, then left behind. ## A launch that carries technical, political and public pressure There is another layer to all of this. Artemis is not flying in a vacuum, politically or culturally. It is being watched as a test of whether major government-led exploration programs can still deliver on long timelines and large budgets. Every delay invites criticism. Every successful milestone buys breathing room. That makes this prelaunch improvement especially important for NASA. A trouble-free countdown signals competence. It reassures the public that the earlier setbacks were not signs of a program spinning out of control, but examples of exactly what launch teams are supposed to do: find problems before liftoff, fix them and verify the fixes under real operational conditions. The public symbolism matters too. Artemis II offers the kind of image NASA has been building toward for years: a crew standing at the threshold of a Moon mission, representing a new generation rather than a replay of the old one. Christina Koch and Victor Glover in particular have drawn attention as part of a crew lineup that reflects a broader picture of who gets to be seen at the front edge of exploration. But symbolism only works if the rocket flies. That is why the emphasis remains on countdown discipline, engineering performance and launch-day weather. ## What happens next if Artemis II gets off the ground If the vehicle launches on schedule, the mission will begin with the most violent phase of the journey: ascent aboard SLS. After reaching space, Orion will separate and begin the complex sequence that takes the crew away from Earth and onto the planned lunar path. Along the way, astronauts and flight controllers will test spacecraft systems and crew operations that future Artemis missions may depend on. The lunar flyby itself will be the emotional center of the mission. Even without a landing, it will mark the first time since 1972 that humans have traveled into the Moon's neighborhood. The crew will then return to Earth, where Orion will make a fast re-entry and splash down for recovery. A successful mission would give NASA valuable data on spacecraft behavior, crew workloads, communications performance and systems integration. Just as important, it would provide confidence that the program can support the missions planned to follow. ## For now, cautious optimism is enough Spaceflight has a way of humbling certainty. A rocket that looks healthy one day can stand down the next. A good weather forecast can turn. A small sensor reading can send engineers back into review. That is why no serious launch team declares victory too early. Still, the latest signs around Artemis II are plainly encouraging. The rocket appears to be behaving on the pad. The countdown is proceeding without the same visible drama that marked earlier attempts. The weather outlook is favorable. And the crew waiting to fly knows exactly what is at stake. If Artemis II launches as planned, it will not just send four astronauts around the Moon. It will reopen a route that has been silent for more than 50 years and test whether NASA is finally ready to make deep-space human flight routine again. For a mission built on patience, setbacks and careful engineering, even a single smooth countdown is a milestone worth noticing. --- Source: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-alaskas-permafrost-thaws-faster/ # Ancient Carbon Is Pouring Into Arctic Rivers as Alaska’s Permafrost Thaws Faster > A new study in Global Biogeochemical Cycles shows that northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as permafrost thaws, with the biggest changes appearing late in the warm season. Led by Michael A. Rawlins at... Canonical URL: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-alaskas-permafrost-thaws-faster/ Byline: University of Massachusetts Amherst Published: 2026-04-18T18:00:01+00:00 Categories: Industrial Science, News ![Arctic river tundra](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_tundra-4-scaled.jpg) A new [study in Global Biogeochemical Cycles](https://doi.org/10.1029/2025GB008822) shows that northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as permafrost thaws, with the biggest changes appearing late in the warm season. Led by Michael A. Rawlins at the University of Massachusetts Amherst, the work offers one of the clearest pictures yet of how rapidly warming Arctic land is reshaping rivers, coastal waters and a climate-sensitive carbon pathway that has been difficult to measure directly. That matters well beyond Alaska. Arctic rivers already punch above their weight in the Earth system, delivering an unusually large share of the planet's river water into the relatively small Arctic Ocean. When the chemistry and timing of that flow begin to change, downstream effects can ripple through salinity, coastal food webs, nutrient cycles and the balance between carbon stored on land and carbon released back to the atmosphere. ![Arctic river landscape](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_landscape-1-scaled.jpg) The new research focuses on Alaska's North Slope, a vast tundra region draining into the Beaufort Sea. It is remote, sparsely monitored and changing quickly. Instead of relying only on limited field measurements, the team used a detailed modeling system to reconstruct 44 years of hydrology and dissolved organic carbon movement, covering the period from 1980 to 2023 at a resolution of just 1 kilometer. That fine-scale view revealed three linked trends: runoff is rising, more dissolved organic carbon is being flushed into rivers and estuaries and the seasonal thaw is stretching further into late summer and autumn. In other words, the Arctic's plumbing is changing and so is the material moving through it. ## Frozen ground is turning into a carbon source Permafrost is soil that stays frozen for at least two consecutive years, but above it sits a surface zone known as the active layer, which thaws each summer and refreezes in winter. As Arctic air temperatures climb, that active layer is deepening. Water can then move through more soil, interact with more buried organic matter and carry a larger share of that material into rivers. Some of that carbon is ancient. Plant matter and other organic debris have been locked into frozen ground for thousands and in some places tens of thousands, of years. Once thawed, microbes can begin breaking it down and flowing water can mobilize it as dissolved organic carbon, or DOC. That carbon may then be processed further in streams, estuaries and the ocean, where part of it is ultimately converted into carbon dioxide. It is a classic climate feedback. Warming thaws permafrost. Thaw releases old carbon. Some of that carbon ends up back in the atmosphere as greenhouse gas, which drives more warming and more thaw. Scientists have been aware of the risk for years, but pinning down how much carbon is moving from land to water and when, has remained a major challenge. Rawlins and colleagues set out to fill part of that gap by examining not just whether northern Alaska is changing, but how the hydrological cycle itself is intensifying across the region's rivers and estuaries. ## Why Arctic rivers matter so much At first glance, rivers flowing into the Arctic Ocean might seem like a local issue. They are not. The Arctic Ocean contains only a small fraction of the world's ocean water, yet it receives an outsized pulse of river discharge from the surrounding land. That makes it unusually sensitive to upstream change. If more freshwater arrives, coastal salinity can shift. If more dissolved organic carbon arrives, water color, light penetration, microbial activity and nutrient cycling can also shift. These changes can cascade through estuarine ecosystems that support fish, birds and marine mammals, while also altering the chemistry of nearshore waters already under pressure from sea ice loss and warming. For climate scientists, the rivers are also a connection point between thawing land and the ocean-atmosphere system. A permafrost carbon release does not only happen where the soil warms. It can travel. It can be transformed. It can be emitted somewhere far from where it was stored. That makes river export a critical, but still under-resolved, piece of the Arctic carbon budget. ## A model built for places with few measurements Northern Alaska is scientifically important, but it is not easy to sample. River gauges are sparse. Water chemistry records are patchy. Weather and logistics limit how often scientists can collect measurements across such a huge and remote area. That means researchers often know a great deal about a few field sites, but much less about the broader landscape between them. To overcome that problem, the team used the Permafrost Water Balance Model, a system developed over roughly 25 years to simulate snow accumulation, snowmelt, soil thaw, subsurface water movement, runoff and related land-surface processes. In 2021, the model was expanded to include dissolved organic carbon, making it possible to track both water and carbon export together. What makes this study stand out is its resolution. Earlier versions commonly used grid cells of around 25 kilometers. Here, the researchers ran the model at 1-kilometer resolution across an area about the size of Wisconsin. That is a major step up in spatial detail, especially for a region where local topography, soil type, ice content and hydrological pathways can strongly affect what reaches streams. The computational burden was heavy. According to the researchers, each run required about 10 continuous days on a supercomputer at the Massachusetts Green High Performance Computing Center. But the result is an unusually sharp record of daily river flows and coastal exports over more than four decades. ## Runoff is increasing and the thaw season is getting longer One of the clearest signals in the new work is that more water is moving off the land. Snowmelt is still important, especially in spring, but subsurface flow is becoming more significant as the active layer deepens and more thawed soil can transmit groundwater to streams. This is not simply a story of wetter weather. It is also a story of changing pathways. Water that once stayed locked in frozen ground is increasingly able to move through soil profiles and pick up dissolved materials on its way to rivers. The timing has shifted, too. The study found that the thaw season now extends later into the year, in some cases into September and October. That means the window for carbon mobilization is widening. Instead of a relatively short burst dominated by spring snowmelt, northern Alaska is seeing stronger late-season contributions linked to ongoing permafrost thaw. That longer season may sound like a subtle change, but it can alter the whole shape of annual river export. It means more opportunities for groundwater-fed transport, more interaction with deeper soil carbon and a larger chance that late-summer and autumn storms can flush carbon-rich water into estuaries. For coastal ecosystems, timing can matter as much as total amount. A pulse of freshwater and DOC arriving later in the year can interact differently with biological productivity, sea ice formation, mixing and estuarine residence times than an early summer surge would. ## Northwest Alaska appears especially vulnerable The study also found that the increase in dissolved organic carbon export is not uniform across the North Slope. The largest gains appear in the northwest. That regional pattern likely reflects geology and terrain. Flatter ground in the northwest has allowed organic-rich material to accumulate over very long periods, building up a larger stock of thaw-sensitive carbon in the permafrost. In contrast, more mountainous eastern areas tend to have rockier and sandier soils, which generally hold less organic matter available for mobilization as DOC. This is an important reminder that permafrost thaw is not one process unfolding identically across the Arctic. Local landscape features matter. Soil texture matters. Relief matters. The amount of buried carbon matters. Two areas may warm at similar rates yet export very different amounts of carbon because their frozen ground contains different raw material to begin with. For monitoring and prediction, that means high-resolution mapping is essential. Broad Arctic averages can hide hotspots where thaw-driven carbon release is accelerating fastest. ## What happens to the carbon once it reaches the water? Dissolved organic carbon is not automatically equivalent to atmospheric carbon dioxide. Some of it can be buried, some can be transported farther offshore and some can be transformed by sunlight or microbes into gases. But once ancient organic matter is thawed and mobilized, it has entered a much more active part of the carbon cycle. That is one reason scientists pay close attention to DOC. It represents carbon that has moved out of long-term frozen storage and into a form that ecosystems and geochemical processes can work on. In Arctic coastal waters, that can influence water chemistry directly while also setting the stage for later greenhouse gas production. The researchers note that the Arctic Ocean already receives a disproportionate share of this land-derived organic carbon. A substantial fraction is eventually converted into carbon dioxide, adding yet another climate pressure to a region already warming much faster than the global average. There are ecological consequences as well. More DOC can darken water and reduce light penetration, affecting photosynthesis. It can fuel microbial respiration, which changes oxygen demand and carbon processing. It can also carry nutrients and interact with trace metals, altering the chemistry of lagoons and nearshore habitats. Along the Beaufort Sea coast, where shallow lagoons and estuaries form a delicate boundary between land and ocean, even moderate shifts in freshwater and carbon delivery can reshape habitat conditions. ## A missing link in climate forecasts Permafrost is widely recognized as one of the most important climate tipping elements under active study, yet there is still large uncertainty around how fast thawed carbon will move through real landscapes. The land-to-ocean route has been especially difficult to include with confidence in global climate thinking. This new study helps close that gap by showing how permafrost thaw, hydrology and coastal export are connected over time and across a large, heterogeneous region. It is not merely that the ground is thawing. It is that thaw is reorganizing the movement of water itself and water is the carrier that links frozen soils to rivers, estuaries and the ocean. That makes the findings useful beyond basic research. Better estimates of freshwater and DOC delivery can improve coastal ecosystem studies, help interpret changes in salinity and water quality and provide boundary conditions for marine and biogeochemical models. The results may also aid ongoing work in projects focused on Beaufort Sea lagoons and estuaries, where scientists are trying to quantify exactly what material is arriving from land. The study was supported by the U.S. National Science Foundation and NASA, underlining how central Arctic change has become to national and international climate research. ## The bigger picture There is a temptation to think of permafrost thaw as a slow background problem unfolding in a distant landscape. Research like this suggests something more immediate and more dynamic. Northern Alaska's rivers are already changing in measurable ways. They are carrying more water. They are carrying more old carbon. And they are doing so over a longer thaw season than they once did. Those are not isolated details. Together, they describe an Arctic system that is becoming more connected, more mobile and more reactive as warming proceeds. Carbon that sat frozen underground through millennia is now being pulled into active circulation through rivers that empty into one of the planet's most climate-sensitive oceans. There is still much to learn, especially about how much of this exported carbon is ultimately released as greenhouse gas and how coastal ecosystems will respond to the changing mix of freshwater, nutrients and organic matter. The role of features such as ice wedge polygons, common across Arctic tundra, is also an active area of investigation because these landforms can steer how water and carbon move across the landscape. But the direction of travel is clear. In northern Alaska, permafrost thaw is no longer just a land problem. It is becoming a river problem, an estuary problem, an ocean problem and, by extension, a global climate problem. As scientists continue refining measurements and models, one lesson is already hard to ignore: when frozen ground starts to fail, the consequences do not stay put. They flow. --- Source: https://polymerjournals.com/ancient-carbon-is-flooding-arctic-rivers-as-permafrost-melts-faster-2/ # Ancient Carbon Is Flooding Arctic Rivers as Permafrost Melts Faster > A warming Arctic is opening a new route for old carbon to re-enter the climate system. In a new study published in Global Biogeochemical Cycles, researchers led by the University of Massachusetts Amherst found that northern Alaska is sending more freshwater and... Canonical URL: https://polymerjournals.com/ancient-carbon-is-flooding-arctic-rivers-as-permafrost-melts-faster-2/ Byline: University of Massachusetts Amherst Published: 2026-04-18T14:44:41+00:00 Categories: Industrial Science, News ![Arctic river tundra](https://polymerjournals.com/wp-content/uploads/2026/04/Arctic_river_tundra-2.jpg) A warming Arctic is opening a new route for old carbon to re-enter the climate system. In a new study published in [Global Biogeochemical Cycles](https://doi.org/10.1029/2025GB008822), researchers led by the University of Massachusetts Amherst found that northern Alaska is sending more freshwater and more dissolved organic carbon into coastal waters as permafrost thaws, runoff rises and the seasonal thaw stretches later into the year. That might sound like a local hydrology story, but it is much bigger than that. Permafrost stores vast amounts of ancient organic matter that has been frozen away for thousands of years. Once thawed, some of that material can move into rivers, estuaries and eventually the Arctic Ocean, where microbes and sunlight can help turn it into carbon dioxide. That means thawing ground is not just responding to climate change. It is also feeding it. The new work focuses on Alaska's North Slope, a huge Arctic region draining toward the Beaufort Sea. It is an area with hundreds of rivers and streams, but not nearly enough direct measurements to capture what is changing across the whole landscape. To fill that gap, the team used a high-resolution version of a long-running Arctic hydrology model, reconstructing daily river flow and coastal carbon export over 44 years, from 1980 through 2023. The result is one of the clearest regional pictures yet of how permafrost thaw is altering the connection between land and sea in the far north. More water is moving through the system. More subsurface flow is reaching streams. And more old carbon is being mobilized as soils thaw deeper and for longer each year. ![Arctic river tundra](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_tundra-3.jpg) ## Why Arctic rivers matter more than their size suggests The Arctic often seems remote in climate discussions, but its rivers punch far above their weight. Collectively, Arctic rivers deliver about 11% of global river discharge into an ocean basin that contains only around 1% of the world's ocean volume. In other words, relatively small changes on land can have an outsized effect on Arctic coastal waters. Freshwater influences ocean salinity, stratification, sea ice formation, nutrient delivery and ecosystem structure. Add dissolved organic carbon, often shortened to DOC and the chemistry gets even more complex. This carbon-rich material can darken water, alter light penetration, feed microbial activity and become a source of atmospheric greenhouse gases as it breaks down. That matters especially in the Beaufort Sea and nearby estuaries, which already sit at the edge of rapid environmental change. River chemistry, coastal productivity, fish habitat, lagoon conditions and sediment transport can all shift when freshwater and carbon inputs rise together. So while the headline finding is about thawing permafrost, the study also speaks to a wider Arctic system under pressure: soils, streams, estuaries and the ocean are becoming more tightly linked as warming accelerates. ## The hidden engine beneath the ground A key part of the story lies in the Arctic's "active layer," the near-surface soil zone that thaws in summer and refreezes in winter. Beneath it sits perennially frozen ground: permafrost. As the climate warms, the active layer is getting deeper. That gives water more room to infiltrate the soil and move underground before emerging in streams and rivers. This extra subsurface movement changes the character of runoff. Snowmelt has long dominated Arctic river discharge, especially during the spring freshet, when meltwater surges across the landscape. But thawing soils are becoming an increasingly important contributor later in the warm season. Groundwater pathways that were once blocked or limited by frozen soil are opening up. That is where the carbon problem grows sharper. Deeper thaw does not just mean more water. It also means access to older, carbon-rich material that has been locked away for long periods. As that soil organic matter is mobilized, rivers can carry it toward the coast in dissolved form. The Arctic Ocean already receives a disproportionately high share of river-borne dissolved organic carbon compared with many other ocean basins. Earlier research has suggested that more than 275 million tons of this organic material are converted each year into carbon dioxide. Any increase in delivery from thawing landscapes could strengthen that climate feedback. ## A sharper look at a difficult landscape One reason this question has been so hard to answer is simple: northern Alaska is vast, cold and difficult to monitor. There are rivers with little or no long-term sampling. Some places are remote even by Arctic standards. That leaves researchers with snapshots instead of a full moving picture. Michael Rawlins, an extension associate professor of Earth, Geographic and Climate Sciences at UMass Amherst and colleagues tackled that problem using the Permafrost Water Balance Model, a system developed over roughly 25 years to simulate snow, soil freezing and thawing, runoff, groundwater movement and related Arctic processes. The model was later expanded to include dissolved organic carbon, allowing researchers to estimate not just how much water flows through Arctic catchments, but also how much carbon may be traveling with it. For this study, the team pushed the analysis to a finer scale than before. Previous runs typically used 25-kilometer grid cells. Here, the researchers resolved the region at 1-kilometer scale across an area about the size of Wisconsin. That kind of spatial detail matters because Arctic terrain is patchy. Wet lowlands, polygonal ground, sandy uplands, peat-rich areas and mountainous catchments do not all respond to warming in the same way. The work also covered more than four decades of daily conditions. That long record helps distinguish real climate-driven shifts from one-off unusual years. It lets the team see trends in seasonal timing, total runoff and carbon export that short-term studies can easily miss. Running simulations at that level took serious computing power. According to Rawlins, each model run required about 10 continuous days on a supercomputer at the Massachusetts Green High Performance Computing Center. That investment paid off with a much more resolved view of what is happening between thawing land and Arctic estuaries. ## What the study found The broad message is straightforward: northern Alaska is becoming wetter in terms of runoff, more hydrologically connected below ground and more capable of delivering organic carbon to the coast. The model shows significant increases in freshwater export across the North Slope over the 1980 to 2023 period. At the same time, dissolved organic carbon export also rose, indicating that thawing soils are not merely releasing water but also mobilizing previously frozen organic matter. Just as important is when this export is happening. The thaw season now extends later into late summer and autumn, in some places reaching September and October more often than it used to. That means the window for water and carbon movement is lengthening. For Arctic systems, seasonal timing can be as important as annual totals. A later thaw season can alter lagoon salinity, estuary residence time, microbial processing and nutrient availability at a moment when biological communities may already be shifting with sea ice loss and warming waters. The team found that the strongest increases in dissolved organic carbon export are occurring in northwestern parts of the study region. That pattern reflects geography. Flatter terrain tends to host more accumulated organic matter in permafrost-rich soils, while mountainous eastern areas are rockier and sandier and hold less easily mobilized carbon. In other words, not all thawing ground carries the same climate risk. Where the land is flat and rich in ancient organic deposits, the river response can be especially carbon-heavy. ## Why "ancient carbon" is such a concern There is a meaningful difference between carbon cycling quickly through living plants and soil and carbon that has been frozen for millennia suddenly entering modern waterways. The latter effectively adds older stored carbon back into the active climate system. Once dissolved organic carbon reaches rivers and coastal waters, several things can happen. Some of it may be transported farther offshore. Some may settle into sediments after transformation. Some may be consumed by microbes. Some may be broken down by sunlight. In all of those cases, part of the carbon can ultimately reappear as carbon dioxide. That is why permafrost thaw is often described as a climate feedback. Rising temperatures thaw the ground. Thawed ground releases more greenhouse-gas-producing carbon, either directly from soils or indirectly after river transport. Those gases then contribute to further warming, which promotes more thaw. The new study does not suggest every molecule of carbon exported to the coast becomes atmospheric CO2 immediately. But it does show that the pipeline moving old carbon from frozen land into active aquatic systems is intensifying. And because this work resolves the landscape in much finer detail than many previous analyses, it strengthens confidence that these are not just broad-brush assumptions. They are patterns emerging from a physically detailed reconstruction of how the region has changed over time. ## The coastal ecosystems downstream The findings are also practical for people studying Arctic coastal ecosystems, not just global carbon budgets. Estuaries and lagoons along northern Alaska sit downstream of everything happening on land. If freshwater loads rise, salinity patterns can shift. If DOC rises, water color and light availability can change. If both happen at once, food webs may respond in complicated ways. That is one reason the study is useful for projects such as the Beaufort Lagoon Ecosystems effort, which is working to understand what coastal environments are receiving from upstream watersheds. Better estimates of discharge and carbon loading can improve ecological forecasting in a region where baseline data remain sparse. There is also a growing need to understand how fine-scale landscape features influence transport. The Arctic contains widespread "ice wedge polygons," geometric ground patterns formed by repeated freezing and thawing. These structures affect how water ponds, drains and moves laterally across tundra. As they degrade, they can reorganize drainage networks and potentially alter how quickly carbon reaches channels. In that sense, the new work is both a major result and a platform for more detailed process studies. It shows the trend clearly, but it also points to the next questions: which pathways matter most, which landscapes are most vulnerable and how much exported carbon is converted to greenhouse gases before or after reaching the sea? ## A missing piece in climate accounting One of the strongest messages from the research is that land-to-ocean connections in the Arctic are still undermeasured. Scientists have spent years studying permafrost emissions from soils, but river export of carbon remains a more poorly constrained part of the system. That is a problem because river transport does not merely shift carbon from one place to another. It changes where and how carbon is processed. Carbon that was once frozen and stable on land can become chemically transformed, biologically consumed, or vented back to the atmosphere after entering aquatic networks. For climate models, that means hydrology is not just a supporting detail. It can control the pace and form of permafrost carbon release. For ecosystem scientists, it means the Arctic coast cannot be understood without paying close attention to what is happening far inland. And for policymakers, it is another sign that Arctic warming is not isolated. It is connected to the global climate system through water, carbon and atmospheric feedbacks. The study was supported by the U.S. National Science Foundation and NASA, underscoring how closely linked basic Earth-system research has become to understanding future risk. The Arctic is warming faster than the global average and every year of delay in measuring and modeling these processes leaves a larger blind spot in climate forecasting. What emerges from this new analysis is not a sudden surprise so much as a sharper warning. The frozen north is becoming more fluid. Water is moving later in the year. Carbon that has been stored since long before modern industry is being flushed toward the ocean. And some of it is likely rejoining the atmosphere. That makes Arctic rivers more than just scenic channels through tundra. They are becoming active conveyor belts in a warming world, carrying the past into the climate future. --- Source: https://polymerjournals.com/ancient-carbon-is-flooding-arctic-rivers-as-permafrost-melts-faster/ # Ancient Carbon Is Flooding Arctic Rivers as Permafrost Melts Faster > A new study in Global Biogeochemical Cycles suggests the Arctic is opening a much older carbon vault than scientists once thought. Led by Michael A. Rawlins at the University of Massachusetts Amherst, the research shows that warming across northern Alaska is not... Canonical URL: https://polymerjournals.com/ancient-carbon-is-flooding-arctic-rivers-as-permafrost-melts-faster/ Byline: University of Massachusetts Amherst Published: 2026-04-18T10:54:50+00:00 Categories: Industrial Science, News ![Arctic river permafrost](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_permafrost-1.jpg) A new [study in Global Biogeochemical Cycles](https://doi.org/10.1029/2025GB008822) suggests the Arctic is opening a much older carbon vault than scientists once thought. Led by Michael A. Rawlins at the University of Massachusetts Amherst, the research shows that warming across northern Alaska is not just changing when rivers flow, but also how much long-frozen organic carbon they carry toward the Beaufort Sea. The result is a clearer picture of a dangerous feedback: as permafrost thaws, more ancient carbon is mobilized, more of it can be converted into carbon dioxide and the warming that caused the thaw can intensify further. That basic story has been building for years, but the new work adds something unusually valuable: detail. The team examined Alaska's North Slope at a fine one-kilometer scale, across 44 years, from 1980 to 2023. In a region where field measurements are notoriously sparse, that kind of long, high-resolution reconstruction matters. It lets scientists see not only that change is happening, but where, when and in what form it is unfolding. The findings point to a hydrological system that is becoming more active as the frozen ground softens. Freshwater runoff is increasing. Subsurface water movement is increasing. And the thaw season now reaches later into late summer and autumn than it used to. All of that creates new pathways for dissolved organic carbon, or DOC, to move from soils that have stayed frozen for thousands of years into streams, rivers, estuaries and eventually the Arctic Ocean. ## Why Arctic rivers matter far beyond the Arctic The Arctic can seem remote, but its rivers punch above their weight in the Earth system. They deliver an outsized share of global river water into a relatively small ocean basin. That means even modest changes on land can reshape salinity, nutrient balance, coastal ecosystems and carbon processing in Arctic waters. These rivers are not simply channels carrying snowmelt to the sea. They are tightly connected to the condition of the ground itself. In permafrost regions, the top layer of soil thaws during the warm season and refreezes during winter. This layer, called the *active layer*, acts like a seasonal interface between the atmosphere, the landscape and the deeper frozen store of ancient plant material. As the climate warms, that active layer is deepening. Water can then travel through more soil than before, picking up organic matter that has been locked away for centuries to millennia. Some of that matter remains in dissolved form and is swept into rivers. Once there, it becomes available to microbes and sunlight-driven chemical reactions, both of which can transform it into greenhouse gases. This is what makes permafrost thaw more than a local geology story. It is also a carbon-cycle story, an ocean story and a climate story. ![Arctic river landscape](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_landscape-scaled.jpg) ## A detailed look at northern Alaska's changing water cycle The study focused on the North Slope of Alaska, a vast drainage region that funnels water into estuaries along the Beaufort Sea coast. It is a place of tundra, wetlands, polygonal ground, icy soils and short but increasingly dynamic thaw seasons. It is also hard to monitor directly. Rivers can be remote, seasonal access is limited and year-round sampling across such a large area is extremely difficult. To work around that problem, the researchers used the Permafrost Water Balance Model, a system refined over about 25 years to simulate snow conditions, soil temperatures, hydrology, active-layer changes and river transport. An important later addition allowed the model to estimate dissolved organic carbon as well, bringing carbon movement into the hydrological picture rather than treating it as a separate issue. Earlier studies often worked at coarser scales, with grid cells large enough to blur local contrasts between flatter western terrain, more mountainous eastern areas and the many small drainage features that define Arctic landscapes. The new kilometer-scale simulations capture much more of that heterogeneity. That is critical because permafrost thaw does not behave evenly. Small differences in slope, soil composition, ice content, vegetation and drainage can produce big differences in how much water and carbon get mobilized. The result is one of the sharpest regional portraits yet of how land-to-ocean connections are changing in a warming Arctic. ## Ancient carbon is starting to move One of the most important findings is that carbon entering these waterways is not just fresh organic material from recent plant growth. A significant fraction comes from old stores in permafrost. In other words, the Arctic is not simply cycling modern carbon faster. It is adding older carbon that had effectively been removed from the active climate system for very long periods. That distinction matters. When ancient organic matter thaws and enters river networks, it can be decomposed and released as carbon dioxide. From the atmosphere's perspective, that is new fuel for warming, even if the carbon itself is old. Scientists have long worried about permafrost as a climate feedback for this reason: frozen landscapes contain vast reserves of organic material and once thaw exposes that material to water and microbes, the system can shift from storage to release. The new study suggests those pathways are becoming more efficient on the North Slope. More thaw means more hydrological connectivity. More connectivity means more carbon can leave soils and enter streams. And because the thaw season is extending later into the year, this transfer now has a longer window in which to happen. That late-season shift is especially important. In Arctic hydrology, the traditional focus has often been on spring snowmelt, when river discharge surges. But if autumn becomes increasingly active because the ground stays thawed longer, then scientists will need to rethink when the most important fluxes occur. Carbon export may no longer be concentrated in the familiar seasonal pattern it once followed. ## The strongest signals are not everywhere The model showed that changes were widespread, but not uniform. The largest increases in dissolved organic carbon export were concentrated in northwestern Alaska. That pattern appears to reflect the geography of the region. Flatter terrain tends to accumulate more organic-rich material over long periods. In landscapes with poor drainage and persistent cold, plant matter can build up in soils rather than fully decompose. When those soils thaw, there is simply more carbon available to be mobilized. By contrast, eastern parts of the North Slope are more mountainous and tend to have rockier, sandier soils, conditions that usually support lower DOC release. This kind of regional contrast is easy to miss in broad Arctic averages. But for coastal ecosystems, it can be decisive. Estuaries receiving stronger pulses of freshwater and organic carbon may experience larger swings in salinity, water chemistry and biological activity than neighboring areas only a short distance away. That has consequences for everything from microbial communities to plankton to fish nurseries and bird feeding grounds. Arctic coasts are not empty receiving basins. They are biologically active zones where land-derived material helps shape food webs. ## What happens after carbon reaches the coast? Not all dissolved organic carbon is the same and not all of it follows the same fate. Some may be buried. Some may be transported farther offshore. Some may be consumed by microbes and respired back into the atmosphere as carbon dioxide. Some may be altered by sunlight in the water. But the broad concern is clear: the more ancient carbon enters rivers and coastal seas, the greater the opportunity for that old material to re-enter the modern climate system. The Arctic Ocean is especially sensitive because it is small relative to the amount of river water and river-borne material it receives. Inputs that might be diluted more easily elsewhere can have larger effects there. Freshwater can change stratification, influencing how layers of water mix. Organic matter can alter light conditions and microbial activity. Nutrients can stimulate or reshape biological productivity. And if carbon is rapidly processed, coastal waters can become a site of greenhouse gas release rather than long-term storage. That is why this study matters beyond hydrology. It helps define the upstream drivers of downstream climate and ecosystem change. ## A longer thaw season changes the rules Perhaps the most striking part of the new analysis is not just that the active layer is deepening, but that thaw conditions are now lingering into September and even October. In a place where the warm season is short, a few extra weeks are not trivial. They can substantially increase the time available for water to infiltrate soils, move laterally through the ground and connect carbon-rich zones to stream networks. That means the system is changing in two ways at once. First, it is opening deeper access to previously frozen organic matter. Second, it is keeping the transport network active for longer. Those two shifts reinforce each other. It also means historical assumptions based on older seasonal patterns may no longer hold. Monitoring campaigns designed around peak snowmelt might miss a growing share of the carbon flux if more of it is now happening later in the year. For Arctic science, that is a practical warning as much as a conceptual one: to understand future carbon budgets, researchers may need to watch the shoulder seasons much more closely. ## Why models are doing so much of the work here There is a reason computational modeling plays such a central role in this field. Northern Alaska is huge, remote and difficult to sample with the density needed for confident regional accounting. You can measure particular streams or estuaries directly, but turning that into a complete picture of the whole North Slope is another matter. That does not mean models replace field data. It means they depend on them and extend them. Field observations provide the calibration points, the physical constraints and the tests of realism. Models then fill in the gaps across space and time, allowing scientists to ask what conditions likely looked like on days and in places where no one was there with a sampling bottle or river gauge. In this case, the simulations were computationally intensive, taking days on a supercomputer. That kind of effort reflects the complexity of the problem. Snow accumulation, thaw depth, groundwater flow, river discharge, coastal export and carbon transport all interact. Capturing those interactions at kilometer resolution over more than four decades is exactly the sort of task advanced Earth-system modeling is built for. Still, the study also underscores the need for more direct observations. Better river chemistry records, more seasonal sampling and improved estuary monitoring would all help refine future estimates. ## Why this matters for climate forecasts Permafrost carbon feedbacks remain one of the harder pieces of the climate puzzle to pin down. Global climate models can estimate warming under different emissions scenarios, but the response of frozen carbon reservoirs is still associated with major uncertainty. How fast will thaw spread? How much carbon will be mobilized? How much of that carbon will be released to the atmosphere and how much will remain in soils or sediments? Studies like this reduce some of that uncertainty by focusing on actual pathways of transport. They remind us that carbon does not need to erupt dramatically from the ground to matter. It can leave quietly, dissolved in water, moving through creeks and rivers before being processed elsewhere. That can make the feedback harder to see, but not less important. The work also highlights a broader shift underway across the Arctic: warming is not only changing temperature. It is reorganizing the plumbing of the landscape. When frozen ground becomes seasonally permeable over greater depth and for longer periods, whole drainage systems start behaving differently. That affects erosion, wetland hydrology, river chemistry, coastal habitats and greenhouse gas emissions all at once. From that perspective, the North Slope is not just thawing. It is being rewired. ## The next questions scientists will need to answer The new analysis opens several lines of inquiry. One is what happens inside the estuaries once this carbon-rich freshwater arrives. Another is how small-scale features such as ice wedge polygons influence the speed and direction of water movement. These polygonal ground patterns are common across Arctic permafrost terrain and as they degrade, they can radically alter drainage routes. Researchers will also want to know how representative northern Alaska is of other Arctic regions. Siberia, northern Canada and Greenland all have their own combinations of soil carbon, ice content, topography and hydrology. Some may show similar late-season intensification. Others may behave differently. Building a pan-Arctic understanding will require many more land-to-ocean studies like this one. For now, the message is sobering but clear. Permafrost thaw is not only a land problem and it is not only a future problem. It is already changing how Arctic rivers work, already increasing the export of ancient organic carbon and already complicating the climate system in ways that are difficult to reverse. The Arctic has often been described as an early warning system for global warming. This study adds another warning light to the dashboard. As frozen soils lose their grip on ancient carbon, the rivers of the far north are becoming conveyors of the past into the climate of the future. --- Source: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-permafrost-thaw-speeds-up/ # Ancient Carbon Is Pouring Into Arctic Rivers as Permafrost Thaw Speeds Up > A warming Arctic is not just losing ice at the surface. According to a new study published in Global Biogeochemical Cycles, thawing permafrost across northern Alaska is now sending more freshwater and more long-frozen organic carbon into rivers that empty into the... Canonical URL: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-permafrost-thaw-speeds-up/ Byline: University of Massachusetts Amherst Published: 2026-04-18T08:04:50+00:00 Categories: Industrial Science, News ![Arctic river permafrost](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_permafrost.jpg) A warming Arctic is not just losing ice at the surface. According to a new study published in [Global Biogeochemical Cycles](https://doi.org/10.1029/2025GB008822), thawing permafrost across northern Alaska is now sending more freshwater and more long-frozen organic carbon into rivers that empty into the Beaufort Sea. Led by geoscientist Michael A. Rawlins at the University of Massachusetts Amherst, the work offers one of the clearest regional pictures yet of how a hotter climate is rewiring the Arctic's land-to-ocean plumbing. The findings matter far beyond Alaska. The Arctic is often described as a fast-warning system for global climate change and this study shows why. When permafrost thaws, soils that have stayed frozen for thousands of years begin to release carbon-rich material into streams and rivers. Some of that carbon is eventually converted into carbon dioxide, adding yet another push to planetary warming. That makes the study more than a local hydrology update. It is a close look at a climate feedback loop already in motion. The research focused on Alaska's North Slope, a vast region draining north into the Beaufort Sea. It is a landscape of tundra, wetlands, low-gradient river systems and perennially frozen ground. Using a high-resolution model run over 44 years, from 1980 to 2023, the team found three major changes unfolding together: runoff is increasing, dissolved organic carbon export is rising and the seasonal thaw is lasting longer into late summer and autumn. In simple terms, the ground is staying thawed for longer, more water is moving through it and that water is carrying more ancient carbon with it. ## Why Arctic rivers matter so much Rivers entering the Arctic Ocean have an influence that is out of proportion to the size of the ocean itself. The Arctic Ocean contains only a small fraction of the world's ocean water, yet it receives an unusually large share of global river discharge. That means even modest changes in northern rivers can alter salinity, nutrient delivery, coastal chemistry and biological productivity in a marine system that is already under pressure from warming, sea-ice loss and changing circulation. What happens on land does not stay on land. Freshwater flowing off the tundra changes the structure of coastal waters. Organic matter carried along with that water feeds microbial activity and chemical reactions. Some of the carbon settles, some is transformed and some is emitted back into the atmosphere. That is why river inputs are such an important piece of the Arctic climate puzzle. They connect thawing soils, inland water systems, estuaries and the ocean in one continuous process. Until now, getting a detailed picture of that process across northern Alaska has been extremely hard. Field measurements in the region are sparse, the terrain is remote and conditions are difficult for routine monitoring. Scientists can sample individual rivers, but that does not automatically tell them what is happening across an entire coastal drainage network. So Rawlins and colleagues turned to modeling. ![Arctic thaw landscape](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_thaw_landscape.jpg) ## A 44-year view at kilometer-scale detail The team used the Permafrost Water Balance Model, a system developed over roughly a quarter of a century to simulate snow cover, soil temperature, water storage, runoff, active-layer behavior and related Arctic land-surface processes. In 2021, the model was expanded to include dissolved organic carbon, or DOC, allowing researchers to estimate not just how much water is moving, but how much carbon that water is carrying. This latest study pushed the approach to a much finer scale. Instead of using broader 25-kilometer grid cells, the researchers modeled the North Slope at 1-kilometer resolution. That is a big jump in spatial detail and it matters because Arctic landscapes are highly variable. Flat, organic-rich tundra behaves differently from rocky uplands. Wet polygonal ground drains differently from better-connected stream channels. Small differences in topography and soil can strongly affect how water and carbon move. Running a model like this is not quick. According to the researchers, each simulation required around 10 continuous days on a supercomputer at the Massachusetts Green High Performance Computing Center. The result was a day-by-day reconstruction of river flow and carbon export across a region roughly the size of Wisconsin. That level of detail helps fill a long-standing observation gap. The study shows that freshwater export to northern Alaska's estuaries has increased over the study period. At the same time, dissolved organic carbon exports have also climbed. These are not isolated blips. They are part of a wider intensification of the hydrological cycle in a warming permafrost region. ## What thawing permafrost actually changes Permafrost is ground that stays frozen for at least two consecutive years, but the very top layer of soil thaws and refreezes seasonally. This surface zone is known as the *active layer*. In a colder climate, the active layer remains relatively shallow. As the Arctic warms, that layer deepens. That change sounds technical, but its consequences are very physical. A deeper active layer allows more liquid water to move through soil that used to remain locked in place. It also exposes old organic matter that has been frozen and preserved for long periods of time. Once thawed, this material can be broken down or dissolved and transported into waterways. In other words, thaw increases both the **ability of water to flow underground** and the **availability of carbon to be mobilized**. The new study suggests these linked changes are becoming more important on the North Slope. Snowmelt still plays a central role in Arctic river flow, especially in spring. But the authors found that late-season contributions linked to thaw and subsurface pathways are increasingly important as the thaw season extends later into the year. That longer thaw window appears to be one of the most striking parts of the story. The researchers report that the season when the ground is actively thawing now reaches further into September and even October, several weeks later than was more typical in the past. That matters because late-season transport can deliver freshwater and carbon at a time when coastal conditions are changing rapidly, sea ice is reduced and ecosystem responses may differ from the spring freshet period that has historically dominated Arctic runoff. ## Ancient carbon is entering modern waters The carbon in question is not freshly produced material from this year's plant growth alone. Much of it is ancient organic matter stored in frozen soils, especially in low-lying permafrost landscapes where organic-rich sediments have built up over thousands to tens of thousands of years. When that carbon is released into rivers as DOC, it becomes part of the modern carbon cycle again. This is one reason scientists are concerned about permafrost thaw as a climate amplifier. Frozen ground contains immense carbon stores. Not every gram released from soil becomes atmospheric carbon dioxide right away and some may be buried or processed slowly. But increased transport from land to water gives microbes and sunlight more opportunities to transform that carbon into greenhouse gases. The Arctic Ocean already receives a disproportionately large share of river-borne organic carbon. Previous work has shown that large amounts of this material are converted each year into carbon dioxide. The new study adds more evidence that climate warming is likely to increase the supply pipeline feeding that process. It is a reminder that carbon emissions are not only about smokestacks, tailpipes, or forest fires. Some are being activated by the thaw of landscapes that had, until recently, acted as long-term frozen storage. ## Where the biggest increases are happening The changes were not evenly spread across northern Alaska. One of the study's important findings is that the largest increases in DOC export are showing up in the northwest part of the region. That pattern seems to be tied to geography and geology. Flatter terrain tends to hold thicker accumulations of organic-rich material, which has built up over long periods under cold, wet conditions. When these soils thaw, there is simply more carbon available to be dissolved and carried away. By contrast, more mountainous eastern areas often have rockier, sandier ground with less organic material to mobilize. This regional contrast is useful because it shows that not all thawing permafrost landscapes will respond in the same way. Warming may be broad, but carbon release depends on what is in the ground, how water moves through it and how connected those soils are to streams and estuaries. That also means future projections cannot rely on temperature alone. The landscape itself matters. ## What this means for the Beaufort Sea coast Once freshwater and DOC reach coastal lagoons and estuaries, the story shifts from land hydrology to ecosystem response. More freshwater can alter salinity patterns, which affects the layering of the water column and the habitat conditions experienced by fish, plankton and benthic organisms. More organic carbon can fuel microbial respiration, changing oxygen demand and carbon dioxide production. It can also interact with nutrient cycles and light penetration, with ripple effects through food webs. The Beaufort coast is a mosaic of estuaries, lagoons, barrier islands and shallow nearshore waters. These are biologically important systems and culturally important landscapes. For researchers and resource managers, knowing how much water and carbon is arriving and when, is increasingly valuable. The study's model outputs are expected to support broader efforts, including projects examining Beaufort Lagoon ecosystems and the exchange of materials between rivers, estuaries and coastal seas. That may sound specialized, but it gets at a basic question: what exactly is flowing into these northern waters as the climate changes? The answer is becoming clearer and more concerning. ## The challenge of measuring a vast, changing Arctic One reason this work stands out is that it addresses a stubborn scientific blind spot. Northern Alaska is huge, difficult to access and expensive to monitor intensively. River sampling stations are limited. Seasonal observations can miss important events. And the places where thaw-driven change is fastest are not always the places with the best long-term records. Models are not perfect substitutes for direct measurement, but in regions like this they are often essential tools for stitching together what scattered observations cannot provide on their own. A well-tested process model can reveal patterns over large areas and long periods, helping scientists identify hotspots, seasonal timing shifts and long-term trends that might otherwise stay hidden. That said, the work also points to the need for more on-the-ground validation. Better river chemistry data, soil carbon mapping, groundwater observations and estuarine monitoring would all improve confidence in future assessments. The Arctic is changing fast enough that old assumptions about freeze-thaw timing, flow pathways and coastal inputs may no longer hold. The study makes that especially clear in its late-season signal. If thaw now commonly extends into early autumn, then monitoring strategies built around spring melt alone may miss an increasing share of carbon transport. ## A feedback loop that is difficult to ignore The broader climate implication is unsettlingly familiar: warming triggers thaw, thaw releases old carbon and that carbon can contribute to more warming. Feedback loops like this do not always unfold in dramatic single leaps. Often they build through connected changes in timing, storage and transport. The active layer deepens a little more. Groundwater contributes a little more flow. Streams carry a little more dissolved carbon. Estuaries process a little more of it into carbon dioxide. Over time, those "little more" changes add up. The study does not suggest that every unit of ancient carbon flushed from permafrost immediately becomes atmospheric greenhouse gas. The carbon cycle is more complicated than that. Some material may be buried in sediments. Some may be exported further offshore. Some may persist in dissolved form for a while. But the direction of change is important: the frozen reservoir is becoming more connected to active water pathways. That means the Arctic's role in the global carbon budget is becoming even more dynamic and potentially more unstable. ## Why this matters beyond the Arctic It can be tempting to see permafrost thaw as a distant problem, unfolding in sparsely populated places far from everyday life. But the climate system does not work in neat geographic boxes. Carbon released from thawing northern soils affects the same atmosphere that shapes heat waves, storms, droughts, crop conditions and sea-level stress elsewhere. There is also a wider lesson in the study's methods. Complex environmental change often happens at interfaces: land and water, frozen and thawed, inland and coastal, atmosphere and soil. Understanding those transitions requires long-term data, strong models and enough resolution to see what coarse averages smooth away. That is exactly what this work tries to provide for one of the fastest-changing regions on Earth. The authors describe it as part of a larger need for land-to-ocean connection studies and that seems hard to argue with. If scientists want to fully understand how the carbon cycle is responding to warming, they need to know not just how much carbon is stored in frozen ground, but how much is escaping, where it is going and what happens after it gets there. For now, the message from northern Alaska is fairly direct. The Arctic's frozen ground is thawing longer and deeper. Rivers are carrying more water. That water is picking up more ancient carbon. And the consequences are moving downstream. Reference: Michael A. Rawlins, Craig T. Connolly and James W. McClelland, "Hydrological Cycle Intensification and Permafrost Thaw Drive Increased Freshwater and Organic Carbon Inputs to Northern Alaska Estuaries," *Global Biogeochemical Cycles* (2026). --- Source: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-permafrost-thaws-and-scientists-can-now-see-the-shift-in-fine-detail/ # Ancient Carbon Is Pouring Into Arctic Rivers as Permafrost Thaws, and Scientists Can Now See the Shift in Fine Detail > A new study published in Global Biogeochemical Cycles has traced a striking change across northern Alaska: as permafrost thaws, Arctic rivers are carrying more freshwater and more long-frozen organic carbon toward the Beaufort Sea. Led by geoscientist Michael A. Rawlins at the... Canonical URL: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-permafrost-thaws-and-scientists-can-now-see-the-shift-in-fine-detail/ Byline: University of Massachusetts Amherst Published: 2026-04-18T04:24:58+00:00 Categories: Industrial Science, News ![Arctic river thaw](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_thaw-1-scaled.jpg) A new [study published in *Global Biogeochemical Cycles*](https://doi.org/10.1029/2025GB008822) has traced a striking change across northern Alaska: as permafrost thaws, Arctic rivers are carrying more freshwater and more long-frozen organic carbon toward the Beaufort Sea. Led by geoscientist Michael A. Rawlins at the University of Massachusetts Amherst, the work offers one of the clearest, highest-resolution views yet of how warming is reshaping the land-to-ocean carbon pipeline in one of Earth's fastest-changing regions. That matters for a simple reason. Carbon that has been locked in frozen ground for thousands of years is no longer staying put. Once thawed, some of it dissolves into water, moves into streams and rivers, reaches coastal waters and can eventually be transformed into carbon dioxide. In a warming world, that creates yet another climate feedback: heat unlocks old carbon and that carbon can help trap more heat. The new analysis focuses on Alaska's North Slope, a broad tundra-dominated region that drains through hundreds of rivers and streams into the Arctic Ocean. It is remote, difficult to monitor and short on direct observations. Yet what happens there has consequences well beyond the far north. The Arctic Ocean contains only about 1% of the world's ocean volume, but Arctic rivers deliver roughly 11% of global river discharge into it. In other words, relatively small changes in land hydrology can have outsized effects on this ocean's salinity, chemistry, ecology and carbon balance. To understand how that system is changing, the researchers used a detailed simulation covering 44 years, from 1980 to 2023, at a fine spatial resolution of 1 kilometer. For a study spanning an area about the size of Wisconsin, that is an unusually close look. The model tracked daily river flow, thaw depth, water pathways and the movement of dissolved organic carbon, or DOC, from land toward coastal estuaries. ![Permafrost tundra river](https://polymerjournals.com/wp-content/uploads/2026/04/permafrost_tundra_river.jpg) The results point in the same direction across several linked processes: runoff is increasing, the thaw season is lasting longer, groundwater-fed flow is becoming more important and more ancient carbon is being mobilized into rivers. ## Why permafrost thaw changes river chemistry Permafrost is ground that remains frozen for at least two consecutive years, though in much of the Arctic it has persisted far longer. Above it sits a surface layer that freezes in winter and thaws during the warmer months. Scientists call this the *active layer*. As the Arctic warms, that active layer is deepening. The deeper the seasonal thaw goes, the more previously frozen soil becomes exposed to moving water. That changes not just how much water reaches streams, but also what the water picks up on the way. In the North Slope, those soils store large amounts of organic material from plants and other matter that accumulated over thousands to tens of thousands of years. When frozen, that carbon is largely immobilized. When thawed, some of it can dissolve and move as DOC through soil water and groundwater into stream channels. That shift is especially important because river transport is one of the main ways land carbon leaves Arctic landscapes. Once in aquatic systems, dissolved organic carbon does not necessarily stay dissolved or stay local. It can be consumed by microbes, broken down by sunlight, converted into greenhouse gases, or transported farther into coastal food webs. Scientists have known for years that permafrost thaw can release carbon. What has been harder to pin down is the amount, timing and geography of that release when scaled up across a vast, sparsely monitored region. This study helps close that gap. ## A model built for an Arctic blind spot One of the central challenges in northern Alaska is that direct river sampling is limited. The landscape is large, weather conditions are harsh, access is difficult and monitoring stations are few. You can measure one river quite carefully and still miss what is happening in dozens of neighboring basins. To work around that, Rawlins and colleagues relied on the Permafrost Water Balance Model, a system they have refined over roughly 25 years. It simulates snow accumulation and melt, soil temperature, active-layer dynamics, runoff generation, subsurface flow and other hydrological processes. More recently, the model was extended to include dissolved organic carbon. That upgrade matters because the Arctic is not changing through one single mechanism. Snow, rainfall, soil thaw, groundwater movement, vegetation and coastal export all interact. The study's strength lies in combining these pieces into a coherent daily picture over more than four decades. According to the research team, the computing demand was substantial. Each model run required 10 continuous days on a supercomputer at the Massachusetts Green High Performance Computing Center. That kind of effort reflects how complex the modern Arctic has become to study: a place once treated as frozen and stable is now dynamic enough to demand high-resolution, process-based simulation. The analysis showed that freshwater discharge to northern Alaska estuaries has increased over the study period. So too have DOC exports, particularly in late summer and early autumn. This seasonal detail is important. A changing Arctic is not just about spring snowmelt arriving earlier. It is also about thaw-driven hydrology extending later into the year. ## The thaw season is stretching into fall One of the standout findings is that the season of active thaw now reaches further into September and even October in some areas, weeks beyond what used to be typical. That longer thaw window gives water more time to percolate through deeper soil layers and gather carbon before draining to streams. In practical terms, that means late-season river flow can increasingly reflect subsurface inputs rather than just surface runoff. And subsurface flow is exactly where old, previously frozen carbon becomes available. This is a key distinction. Surface runoff from snowmelt can be large, but the water may travel quickly across or through shallow layers. Deeper thaw opens up new hydrological pathways, allowing water to interact with carbon-rich permafrost soils that were once cut off from the river network. The study suggests this intensification of the hydrological cycle is being driven not only by changing precipitation and warming air temperatures, but directly by the progressive thaw of frozen ground itself. Permafrost is not merely responding to climate change; its thaw is actively altering the way the landscape routes water and carbon. That makes permafrost loss more than a local geotechnical issue or an ecological concern. It becomes part of the global climate engine. ## Not all parts of northern Alaska are changing equally The changes are not evenly distributed across the North Slope. The researchers found some of the biggest increases in dissolved organic carbon export in the northwest. Landscape shape appears to be a major reason. Flatter terrain tends to accumulate more organic-rich material over long periods. In such settings, thaw can expose and mobilize larger stores of carbon. By contrast, farther east, where the land becomes more mountainous and soils are often rockier and sandier, there is less organic matter available to dissolve into flowing water. That pattern matters because it shows that permafrost thaw does not produce a single uniform Arctic response. Basin geometry, soil composition and local geology can strongly influence how much carbon ends up in rivers. For coastal managers, ecosystem researchers and climate modelers, that means regional details are essential. It also means broad Arctic averages can hide hotspots of rapid change. A coast receiving sharply rising DOC and freshwater inputs may experience much larger ecological impacts than another stretch of shoreline only a few hundred kilometers away. ## What happens when ancient carbon reaches the sea The Beaufort Sea and its connected lagoons and estuaries are already unusual environments, shaped by seasonal ice cover, river discharge and a short but productive biological season. Extra freshwater can lower coastal salinity. Extra organic carbon can alter water color, light penetration, nutrient cycling, microbial activity and oxygen demand. Those are not minor shifts. Estuaries sit at the intersection of land and ocean processes and many species depend on their chemical balance. Changes in salinity and organic matter can ripple through plankton communities, fish habitat and larger food webs, including birds and marine mammals. There is also a bigger planetary concern. The Arctic Ocean already receives a disproportionately large amount of river-borne organic carbon compared with other oceans. A substantial fraction of that material is eventually processed into carbon dioxide. The source material behind the study notes that more than 275 million tons of such carbon are converted into CO2 each year. If thaw and river transport continue to increase, that flux could grow. That does not mean every molecule of dissolved carbon entering Arctic waters immediately becomes a greenhouse gas. Some is buried, some is transformed into other compounds and some travels farther offshore. But the pathway from ancient soil carbon to atmospheric carbon dioxide is real and studies like this one help quantify its upstream supply. ## A missing link in climate forecasting Climate discussions often focus on the atmosphere, sea ice, or dramatic emissions from wildfire and industry. Less visible are the hydrological links that connect thawing land to coastal oceans. Yet those links may decide how much old carbon actually enters active circulation. This is why the study is significant beyond Alaska. Earth system models need realistic estimates of when and where freshwater and carbon leave permafrost landscapes. Without those estimates, projections of future Arctic ocean chemistry, coastal ecosystem change and carbon-climate feedbacks remain incomplete. The new work also highlights how urgently the Arctic needs denser observations. Modeling is indispensable, especially where measurements are sparse, but field data remain the standard against which models must be tested and improved. River chemistry samples, continuous flow measurements, soil carbon surveys, groundwater monitoring and estuary observations all help sharpen the picture. The research team notes that the new freshwater and DOC estimates should be useful to projects examining coastal lagoon ecosystems in northern Alaska. That is a practical benefit of high-resolution modeling: it can guide where to sample, when to sample and which estuaries may be seeing the fastest change. Another next step is understanding the role of ice wedge polygons, the distinctive geometric ground patterns common across Arctic lowlands. These features influence drainage and thaw behavior and they may help determine how water and carbon move from inland tundra to coastal channels. In a landscape where a subtle shift in drainage can redirect biogeochemical pathways, small-scale surface structure may matter a great deal. ## The Arctic's old carbon is becoming newly mobile There is something especially unsettling about the carbon highlighted in this study: much of it is ancient. It was stored away under frozen conditions that lasted through long stretches of natural climate history. Now, over the span of a human lifetime, that storage system is weakening. The North Slope is not collapsing all at once and the process is not simple. Some places are thawing faster than others. Some carbon will stay in soils or sediments. Some rivers will respond differently depending on rainfall, snowpack, or local terrain. But the overall direction is increasingly clear. Warming is deepening seasonal thaw, deepening thaw is changing water flow and changing water flow is flushing more old carbon toward the sea. That is the quiet force of the study. It does not rely on a single dramatic event, but on a long, detailed record showing a system tipping further out of its previous state. The Arctic hydrological cycle is intensifying and with it, the movement of legacy carbon once thought safely frozen underground. For climate science, that means one more feedback is sharpening into view. For northern ecosystems, it means a future with different freshwater timing, different carbon chemistry and potentially different food-web dynamics. And for everyone else, it is another reminder that climate change does not only warm the air. It rewires the hidden plumbing of the planet. The study was supported by the U.S. National Science Foundation and NASA and its findings add fresh urgency to a question scientists have been trying to answer for years: when the Arctic thaws, where does all that carbon go? The answer, increasingly, is into the water first. --- Source: https://polymerjournals.com/ancient-carbon-is-reaching-arctic-rivers-faster-as-alaskas-permafrost-thaws/ # Ancient Carbon Is Reaching Arctic Rivers Faster as Alaska’s Permafrost Thaws > A new study suggests northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as the ground warms and thaws. Led by researchers at the University of Massachusetts Amherst and published in Global Biogeochemical Cycles, the work offers... Canonical URL: https://polymerjournals.com/ancient-carbon-is-reaching-arctic-rivers-faster-as-alaskas-permafrost-thaws/ Byline: University of Massachusetts Amherst Published: 2026-04-18T01:14:41+00:00 Categories: Industrial Science, News ![Arctic river tundra](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_tundra.jpg) A new [study](https://doi.org/10.1029/2025GB008822) suggests northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as the ground warms and thaws. Led by researchers at the University of Massachusetts Amherst and published in *Global Biogeochemical Cycles*, the work offers an unusually detailed look at how rivers on Alaska's North Slope are changing as permafrost loses its grip on the landscape. That matters well beyond Alaska. Permafrost stores enormous amounts of ancient organic matter that has been locked in frozen soils for centuries to millennia. Once thawed, some of that material can be washed into streams and rivers as dissolved organic carbon, or DOC, where microbes and sunlight can begin breaking it down. Some of it eventually reaches the Arctic Ocean, where it can be transformed into carbon dioxide, adding to the greenhouse gases already heating the planet. The new research does not rely on a handful of river gauges or a short field campaign. Instead, it reconstructs daily hydrology and carbon export across a huge part of northern Alaska over 44 years, from 1980 to 2023, using a high-resolution permafrost-aware model. The picture that emerges is one of a region in transition: runoff is increasing, groundwater contributions are becoming more important and the thaw season is stretching later into the year, into September and even October. In simple terms, the Arctic's plumbing is being rearranged. Water is moving differently through the landscape and with it, carbon that had been safely frozen away. ## Why Arctic rivers punch above their weight The Arctic Ocean is relatively small, holding about 1 percent of global ocean volume. Yet the rivers flowing into it contribute roughly 11 percent of the world's river discharge. That imbalance makes the Arctic especially sensitive to whatever its watersheds deliver, whether that is freshwater, sediment, nutrients, or carbon. Freshwater alone can alter the ocean's surface salinity and stratification. That, in turn, can affect sea ice, coastal mixing, marine ecosystems and the way carbon moves between ocean and atmosphere. Add in a growing pulse of organic matter from thawing soils and the consequences become harder to ignore. For years, scientists have known that permafrost thaw could mobilize ancient carbon. What has been harder to pin down is exactly how much, where and when it enters rivers. Northern Alaska is vast, remote and difficult to monitor. River sampling is sparse and many small streams that likely matter a great deal are not measured continuously. That is the gap this study tries to close. Rather than waiting for a perfect monitoring network that does not yet exist, the researchers used a model designed to represent how snow, soil, frozen ground, groundwater and river flow interact across permafrost terrain. ![Arctic river tundra](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_tundra-1.jpg) ## A 44-year, kilometer-scale view of a warming landscape The team focused on the Alaskan North Slope, a region roughly the size of Wisconsin that drains through hundreds of rivers and streams into the Beaufort Sea. The key advance was scale and detail. Earlier versions of the researchers' Permafrost Water Balance Model had typically been run at 25-kilometer resolution. Here, they pushed it to 1-kilometer grid cells across the full region and simulated conditions day by day for more than four decades. That kind of resolution matters because Arctic landscapes are patchy. Small differences in slope, soil type, vegetation, ground ice and thaw depth can strongly affect whether water runs over the surface, sinks into soil, or lingers in wetlands before reaching a stream. A coarse model can smooth out those differences. A kilometer-scale model starts to capture them. The computational burden was heavy. According to the researchers, a single model run took 10 continuous days on a supercomputer at the Massachusetts Green High Performance Computing Center. But the payoff was a much sharper picture of how water and carbon export have changed since 1980. The broad findings are striking: - **Runoff is increasing** across much of the North Slope. - **Subsurface flow is becoming more important** as thaw penetrates deeper into the ground. - **Dissolved organic carbon export is rising**, especially in the northwest. - **The thaw season is lasting longer**, extending later into autumn than it used to. Each of those changes reinforces the others. A deeper thawed layer allows more groundwater movement. More groundwater means more contact between moving water and old carbon-rich soils. A longer thaw season gives those processes more time to operate before winter freezes the system again. ## The active layer is getting deeper and that changes everything Much of the action happens in what scientists call the *active layer*, the surface layer of soil that thaws in summer and refreezes in winter. In permafrost regions, that layer sits on top of more permanently frozen ground. When climate warming deepens the active layer, water can infiltrate further, travel through more soil and pick up more dissolved organic material on its way to streams. That is a major shift from a system dominated by shallow snowmelt runoff. Snowmelt still matters enormously in Arctic hydrology, especially in spring. But the study shows that thawing ground itself is playing an increasingly important role in feeding rivers later in the season. The result is not just more water, but water with a different chemical signature and a stronger connection to stored soil carbon. In practical terms, the landscape is opening up. Frozen barriers that once restricted water movement are weakening. As they do, old carbon that had been isolated from modern biological activity can be reintroduced into the active carbon cycle. Not all of that carbon immediately becomes carbon dioxide. Some is transported downstream, some is consumed by microbes in soils and streams, some is altered by sunlight and some may be buried or transformed in estuaries and coastal waters. But once thaw exposes it to water and oxygen, the chances that it will reenter the atmosphere rise sharply. ## Northwest Alaska appears especially vulnerable One of the study's more interesting patterns is geographic. The largest increases in DOC export were found in northwestern parts of the study area rather than everywhere equally. The likely reason is the nature of the terrain. Flatter landscapes tend to accumulate more organic-rich material over long periods because water drains slowly and plant matter can build up in cold, wet soils. When those soils are preserved in permafrost, they become a substantial storehouse of ancient carbon. Once thaw begins to deepen and hydrology shifts, rivers can tap into that reserve more efficiently. Farther east, by contrast, the North Slope becomes more mountainous in places, with rockier and sandier ground. Those landscapes generally contain less carbon-rich frozen soil to mobilize, so even with warming, the DOC response may be smaller. This regional contrast is important because it shows the Arctic is not changing in a uniform way. The phrase "permafrost thaw" can sound like a single process, but in reality its consequences depend heavily on local geology, topography, soil composition and ice content. Flat, organic-rich terrain may be especially sensitive to warming when it comes to riverine carbon export. ## Why dissolved organic carbon matters DOC can sound abstract, but it is a crucial part of the climate story. It is made up of carbon-containing molecules dissolved in water, often released as plant and soil material decomposes. In the Arctic, some of that material is relatively recent, but some has been frozen in permafrost for thousands of years. When DOC enters rivers and coastal waters, it does not simply vanish. Microbes can consume it. Sunlight can chemically alter it. Estuarine mixing can change how available it is for biological processing. A portion of it can ultimately be converted to carbon dioxide and released to the atmosphere, becoming part of a warming feedback loop: warmer temperatures thaw more permafrost, which can release more carbon, which can help drive further warming. The Arctic Ocean already receives a disproportionate amount of land-derived organic carbon relative to its size. Previous research has suggested that more than 275 million tons of terrestrial organic carbon can be transformed into carbon dioxide in the Arctic marine system each year. That does not all come from the Alaskan North Slope, of course, but the new study points to one pathway by which that broader carbon burden may keep growing. There are also ecological consequences beyond climate. More DOC can darken water, alter light penetration, affect nutrient dynamics and change how food webs function in estuaries and nearshore seas. Freshwater inputs can shift salinity. Together, these changes may influence everything from microbial communities to fish habitat in the Beaufort coastal zone. ## A longer thaw season may be one of the most important signals Perhaps the most telling finding is not just that more carbon is moving, but that the window for movement is getting longer. The study indicates that thaw-related processes are now extending several weeks later into the year than they used to, reaching into early autumn. That matters because late-season hydrology behaves differently from the dramatic spring freshet driven by snowmelt. Autumn flows can carry water that has spent longer in contact with thawed soils and deeper pathways underground. That gives the water more opportunity to dissolve and transport carbon from places that used to remain inaccessible beneath frozen ground. In a colder climate, many of those pathways would close earlier. In today's warmer Arctic, they remain open longer. It is a subtle shift on a calendar, but a powerful shift in the carbon cycle. The finding also raises new questions. If the thaw season continues to lengthen, will year-to-year variability increase? Will more carbon be processed in streams before reaching the coast, or will larger loads make it all the way to estuaries? How will changing rainfall patterns interact with permafrost thaw to amplify or dampen these trends? The new model results help frame those questions, but they do not end the debate. ## What the study can and cannot say Like all modeling work, this study is only as good as its data and assumptions. The researchers calibrated and developed the model over decades and they used one of the best available tools for simulating frozen-ground hydrology. But model output is not the same thing as direct measurement. Some streams remain poorly observed and DOC production and processing are complex in ways no regional model can capture perfectly. Still, in a part of the world where direct observations are extraordinarily sparse, this kind of modeling is not a second-best option. It is one of the few ways to estimate change across an entire coastal-draining region and across long time periods. In that sense, the study is less a replacement for fieldwork than a roadmap for it. It highlights where changes appear strongest and where future sampling could be most valuable. The authors also point toward the need to better understand landscape features such as ice-wedge polygons, common in Arctic tundra, which can strongly shape water routing as permafrost degrades. Those fine-scale surface structures may determine how efficiently water and carbon are conveyed from thawing soils to channels and then to the coast. ## A missing link in the climate system Climate discussions often focus on forests, smokestacks, sea ice, or melting glaciers. Rivers tend to get less attention. But they are one of the planet's major connectors, linking land, atmosphere and ocean. In the Arctic, that connecting role may become even more important as warming accelerates. This study underscores a point climate scientists have been making for years: it is not enough to know how much carbon is stored in permafrost. We also need to understand the routes by which that carbon is released, transformed and transported. Rivers are one of those routes and this work suggests the route is becoming more active. That does not mean every thawed gram of ancient carbon is destined for the atmosphere. But it does mean northern Alaska's estuaries and coastal seas are receiving a changing mixture of water and organic matter, with implications for ecosystems and for the global carbon budget. The research, supported by the US National Science Foundation and NASA, adds another layer of evidence that the Arctic is not merely warming. It is reorganizing. Its soils, waters and seasons are shifting together and some of the carbon now being mobilized has not been part of Earth's fast carbon cycle for a very long time. As permafrost continues to thaw, the question is no longer whether Arctic rivers will respond. They already are. The deeper challenge is figuring out how quickly those changes will spread across the north and how much ancient carbon they will carry with them. --- Source: https://polymerjournals.com/artemis-ii-countdown-looks-better-and-its-also-a-quiet-stress-test-for-space-grade-polymers/ # Artemis II Countdown Looks Better, And It’s Also A Quiet Stress Test For Space-Grade Polymers > In the latest Artemis II launch update, NASA's crewed return toward the Moon appeared to be in a much healthier place after weeks of delays tied to fuel leaks and other technical issues. That sounds like a story about schedules, weather and... Canonical URL: https://polymerjournals.com/artemis-ii-countdown-looks-better-and-its-also-a-quiet-stress-test-for-space-grade-polymers/ Byline: NASA Published: 2026-04-17T22:29:57+00:00 Categories: Materials, News ![NASA's Artemis II SLS (Space Launch System) rocket and Orion spacecraft on the launch pad during a wet dress rehearsal in February 2026](https://polymerjournals.com/wp-content/uploads/2026/04/Artemis_II_Countdown_Looks_Better_And_Its_Also_A_Quiet_Stress_Test_For_Space-Grade_Polymers.jpg) In the latest Artemis II launch update, [NASA's crewed return toward the Moon](https://apnews.com/article/nasa-moon-artemis-astronauts-f3f49214618099a98338835715e4562a) appeared to be in a much healthier place after weeks of delays tied to fuel leaks and other technical issues. That sounds like a story about schedules, weather and rocket operations. It is. But it is also a materials story, because every cryogenic line, seal, cable jacket, insulation layer, adhesive joint and heat-shield component on a mission like this depends on polymers doing their jobs under punishing conditions. Officials reported a trouble-free countdown on the eve of launch, with favorable weather odds and a rocket that was behaving well on the pad. For most readers, that is the headline. For materials scientists and engineers, the deeper point is this: when a giant Moon rocket is loaded with super-cold propellants and prepared for a crewed flight, the success or failure of the operation often comes down to how well advanced materials handle stress, temperature swings, pressure changes and tiny mechanical imperfections. That is one reason Artemis II matters well beyond spaceflight fandom. The mission will send four astronauts around the Moon and back, making them the first humans to travel that far from Earth since Apollo 17 in 1972. They will not land or enter lunar orbit, but the flight is still a major systems test for NASA's Moon architecture. And hidden inside that architecture are some of the most demanding real-world applications of polymer science anywhere. The source report described a launch campaign that had already been pushed back by hydrogen fuel leaks and then by clogged helium lines. Those may sound like plumbing problems. In aerospace, they are also materials problems. Hydrogen is notoriously difficult to contain. It is the smallest molecule, it can slip through tiny gaps and cryogenic temperatures can change how seals, gaskets, hoses, valves and coatings behave. A system that looks fine at room temperature can respond very differently once it is chilled by liquid hydrogen. ## Why leaks become a materials challenge so quickly Rockets using cryogenic propellants put enormous demands on elastomers and other polymer-based sealing materials. These components may need to stay flexible at very low temperatures, resist embrittlement, maintain contact pressure and survive repeated thermal cycling. If the material shrinks too much, stiffens too much, or takes a permanent set, even a microscopic gap can become important. That is why the phrase *fuel leak* almost never means just one simple thing. Engineers need to think about surface finish, bolt load, geometry, vibration, contamination and manufacturing tolerances. But they also need to think about polymer chemistry: crosslink density, glass-transition behavior, thermal expansion mismatch, permeability, aging and compatibility with hydrogen-rich environments. On a crewed mission, the acceptable margin for error is even smaller. NASA did not frame the launch update as a polymer-science bulletin, of course. Still, the subtext is unmistakable. When officials say a countdown is proceeding cleanly after earlier leak concerns, they are also saying that a chain of materials, interfaces, inspections and design decisions is now performing as intended. The same goes for helium lines. Helium is used in pressurization and purge systems because it is inert and predictable, but it is also a small atom that can expose flaws in fittings and interfaces. In many aerospace systems, hard metals provide structure while polymeric elements provide sealing, cushioning, electrical isolation, or environmental protection. Reliability depends on that partnership. ![NASA astronauts (left to right) Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, pictured at NASA's Kennedy Space Center in Florida ahead of the launch](https://polymerjournals.com/wp-content/uploads/2026/04/Artemis_II_Countdown_Looks_Better_And_Its_Also_A_Quiet_Stress_Test_For_Space-Grade_Polymers-1.jpg) The crew assigned to Artemis II, photographed ahead of launch preparations, will become the first lunar visitors in more than half a century if the mission flies as planned. That human context changes how engineers think about materials performance. An uncrewed test can tolerate some risk in ways a crewed mission cannot. Human-rated systems demand higher confidence, tighter inspection and much more conservative interpretation of anomalies. ## The polymers you do not see on the launch pad To the eye, a Moon rocket looks like metal, ceramic tile, wiring and engines. In reality, polymers are everywhere. Some are obvious, like foam insulation and cable coatings. Others are less visible but just as important: structural adhesives, conformal coatings on electronics, resin systems in composite parts, protective paints, potting compounds, thermal blankets, lubricants, elastomeric seals and ablative materials designed to char in a controlled way. On the launch side, insulation is one of the best-known examples. Cryogenic tanks and feed systems must limit heat flow into propellants, manage ice formation and maintain stable operating conditions. Polymeric foams and multilayer insulation systems can play major roles here. These materials must be light, durable and predictable under humidity, vibration and launch loads. Wiring is another often-overlooked polymer success story. Spacecraft and launch vehicles rely on long runs of cable and the insulation around those conductors has to survive temperature extremes, radiation exposure, vibration and chemical attack. High-performance fluoropolymers and polyimide-based materials are frequently chosen because they combine electrical performance with heat resistance and low mass. Without them, modern spacecraft integration would be much harder. Then there are adhesives and composite matrices. Even where metals still dominate primary structure, polymer-based systems often join, reinforce, protect, or isolate critical parts. Carbon-fiber composites, glass-fiber laminates and bonded sandwich structures can reduce weight while keeping stiffness high. In spaceflight, every kilogram saved matters. Lower mass can improve payload flexibility, margins and overall system efficiency. ## Orion's trip home may be the biggest polymer test of all If launch is a trial for seals and insulation, reentry is a trial by fire for thermal protection. Artemis II's Orion spacecraft will return to Earth at lunar-reentry speeds, meaning it will slam into the atmosphere far faster than a vehicle coming back from low Earth orbit. That produces extreme heating and the spacecraft survives it with a heat shield that depends on carefully engineered ablative materials. Ablation is one of the most elegant ideas in aerospace materials science. Instead of trying to keep a surface perfectly unchanged, engineers allow part of the material to decompose, char, melt and carry heat away in a controlled manner. Polymer-rich ablatives are especially useful because their chemistry can be tuned to manage this sacrificial process. The material may break down, but it does so in a way that protects the structure underneath. For Orion, NASA has used Avcoat, a heritage ablative system with roots in the Apollo era but updated for modern manufacturing and qualification needs. The exact engineering details matter enormously, but the broader lesson is simple: polymers are not merely convenient in space systems. Sometimes they are the reason a spacecraft can survive conditions that would otherwise destroy it. That same logic applies to internal cabin materials, insulation behind the heat shield, acoustic dampers and components that must continue working after long exposure to launch vibration and vacuum. A spacecraft returning from the Moon is not just a shell. It is a layered materials system and polymers occupy many of those layers. ## Why Artemis II is relevant to materials researchers on Earth It is easy to treat space materials as exotic and disconnected from everyday industry. In practice, the link is much closer. Research on cryogenic sealing, lightweight composites, fire-resistant polymers, outgassing control, low-permeability barriers and durable coatings often feeds into terrestrial sectors such as hydrogen infrastructure, aviation, electric power, advanced manufacturing and industrial safety. Hydrogen handling is a particularly important crossover. As more countries and companies invest in hydrogen as an energy carrier, the same basic materials questions show up again and again: which elastomers resist leakage best, how do polymers age during thermal cycling, which liners and barrier layers suppress permeation and how can joints be designed for reliability under fluctuating loads? Artemis II is a reminder that these are not abstract lab questions. They are operational questions with immediate consequences. Likewise, extreme-temperature polymers developed for aerospace can influence batteries, electronics packaging, transportation and energy systems. Polyimides, fluoropolymers, silicone-based materials, toughened epoxies and high-temperature resin systems all have dual lives in research and industry. What starts as a specialized solution for a spacecraft may later prove useful in factories, vehicles, or harsh industrial environments. The same is true for nondestructive inspection and quality assurance. Aerospace programs have pushed hard on methods to find hidden defects in bonded structures, composite laminates, thermal protection materials and seal interfaces. Those advances matter to wind energy, pressure vessels, rail transport and industrial pipelines as much as they matter to rockets. ## Not glamorous, but mission critical The public face of Artemis II is understandably human. Four astronauts. A return to deep space. A mission profile that reconnects the present with the last great era of lunar exploration. But missions like this are only possible because engineers spend years worrying about things the public rarely sees: tiny cracks, trapped bubbles, incompatible coatings, cure schedules, moisture uptake, seal compression and what happens to a polymer after sitting on a launch pad in a humid coastal climate. That coastal setting matters. Kennedy Space Center is a demanding environment. Salt, moisture, ultraviolet exposure and temperature changes all place stress on exposed materials. Protective coatings, sealants, cable jackets and exterior polymer systems must tolerate long prelaunch periods without degrading in ways that could compromise performance. For a complex launch campaign, environmental durability is not a secondary issue. It is part of readiness. This is one reason launch slips are not always signs of failure. Sometimes they are evidence that a system is being evaluated properly. When teams pause, inspect, drain, test and verify, they are taking seriously the fact that modern launch hardware is an intricate assembly of materials with different behaviors. Metal expands one way, a polymer another. A bondline reacts differently from a bolted joint. A cryogenic chilldown can expose weaknesses that no dry rehearsal will reveal. The update describing favorable weather and a smooth countdown therefore carries an understated but important scientific message. It suggests that, for this window at least, the launch system and its materials have aligned closely enough to support a crewed attempt. ## What a successful mission would signal If Artemis II launches and completes its lunar flyby successfully, NASA will gain far more than a symbolic win. It will gather data on vehicle performance in deep space, crew operations, navigation, communications and high-speed reentry. It will also strengthen confidence in the material systems embedded throughout the rocket and spacecraft. That confidence will matter for later Artemis missions, including those aimed at sending astronauts back to the lunar surface. Every successful seal, every stable insulation layer, every composite part that behaves as expected and every thermal protection element that survives its environment becomes part of the evidence base for more ambitious flights. For polymer scientists, the mission is a useful reminder of what advanced materials really do in the world. They are not just samples in a characterization lab or data points in a paper. In the most demanding applications, they make systems lighter, safer, tougher and more resilient. They help contain cryogenic propellants, shield electronics, protect crews and absorb punishing heat on the journey home. So while headlines focus on the countdown clock, the weather forecast and the astronauts heading to the pad, there is another drama playing out at the molecular scale. Can carefully designed polymer systems keep their shape, their adhesion, their flexibility and their protective function as the vehicle moves from humid Florida air to cryogenic fueling, from launch vibration to deep-space cold and from lunar return to atmospheric fire? That quiet question sits behind every major space mission. Artemis II just happens to be asking it on one of the biggest stages possible. --- Source: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-alaskas-permafrost-thaws/ # Ancient Carbon Is Pouring Into Arctic Rivers as Alaska’s Permafrost Thaws > A new study published in Global Biogeochemical Cycles shows that northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as permafrost thaws and the warm season stretches later into the year. Led by geoscientist Michael A. Rawlins... Canonical URL: https://polymerjournals.com/ancient-carbon-is-pouring-into-arctic-rivers-as-alaskas-permafrost-thaws/ Byline: University of Massachusetts Amherst Published: 2026-04-17T18:35:01+00:00 Categories: Industrial Science, News ![Arctic river thaw](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_thaw.jpg) A new [study published in *Global Biogeochemical Cycles*](https://doi.org/10.1029/2025GB008822) shows that northern Alaska is sending more freshwater and more long-frozen organic carbon into the sea as permafrost thaws and the warm season stretches later into the year. Led by geoscientist Michael A. Rawlins at the University of Massachusetts Amherst, the work gives one of the clearest region-wide pictures yet of how thawing ground is changing Arctic rivers, estuaries and the broader carbon cycle. The finding matters far beyond Alaska. Arctic rivers do not just drain remote landscapes. They connect frozen soils, coastal waters, sea ice and the atmosphere. When ancient carbon that has been locked underground for thousands of years is thawed, dissolved and carried into rivers, some of it can ultimately be converted into carbon dioxide. That turns a once-stable carbon store into a fresh climate source. The new analysis focuses on Alaska's North Slope, a vast region where hundreds of streams and rivers drain north into the Beaufort Sea. To understand what has changed, Rawlins and colleagues reconstructed daily hydrology and carbon export across the region from 1980 to 2023. They did this at a spatial resolution of 1 kilometer, far finer than in most earlier Arctic-wide studies. The result is a detailed picture of a landscape in transition. River runoff is increasing. Subsurface water flow is becoming more important. The seasonal thaw now reaches later into late summer and fall. And as the active layer deepens, more dissolved organic carbon, or DOC, is being flushed out of soils that were once safely frozen. ## Why the Arctic's rivers matter so much The Arctic can seem distant, but its rivers punch far above their weight in the Earth system. Together, Arctic rivers deliver roughly 11% of the world's river water into an ocean that holds only about 1% of global ocean volume. That imbalance means the Arctic Ocean is unusually sensitive to what happens upstream on land. Freshwater influences salinity, circulation, sea ice formation, nutrient transport and the productivity of coastal ecosystems. Organic matter carried by rivers also affects water chemistry, light penetration and microbial activity. In other words, a shift in Arctic runoff is not just a hydrology story. It is a climate story, a coastal ecology story and a carbon story too. For decades, snowmelt has been the dominant driver of Arctic river flow. Spring melt still matters enormously, but it is no longer the whole picture. As permafrost warms, more water can move through the ground instead of only over its surface. That change alters when rivers flow, what they carry and where that material ends up. At the center of the process is the *active layer*, the surface soil layer that thaws each summer and freezes again in winter. In a colder climate, that layer stays relatively shallow. In a warmer one, it deepens. And when it deepens, water reaches older stores of organic matter that had been frozen out of the carbon cycle. ![Arctic river delta](https://polymerjournals.com/wp-content/uploads/2026/04/arctic_river_delta.jpg) ## What the study found The team used the Permafrost Water Balance Model, a sophisticated system refined over about 25 years, to simulate snow, soil temperatures, active-layer thickness, water movement and dissolved organic carbon export. Earlier versions of the model had already been used across huge Arctic areas, but this study sharpened the lens dramatically. Instead of working with large 25-kilometer grid cells, the researchers simulated daily flows and coastal exports at 1-kilometer resolution across an area about the size of Wisconsin. That makes it easier to capture the strong local differences that define northern Alaska, where flat tundra plains, coastal lagoons and mountain-fed catchments can behave very differently. The study identified several important trends: - **Runoff is increasing**, meaning more freshwater is moving from land to rivers and coastal estuaries. - **Permafrost thaw is deepening the active layer**, allowing more groundwater-like subsurface flow. - **Dissolved organic carbon export is rising**, especially in parts of northwestern Alaska. - **The thaw season is getting longer**, extending into September and even October in some areas. - **Coastal estuaries are receiving changing inputs** of water and carbon that could reshape salinity and ecosystem dynamics. Each of those changes would be important on its own. Together, they point to an Arctic hydrological system that is intensifying as the region warms. More water is moving. It is moving later in the year. And it is carrying more ancient carbon with it. ## Ancient carbon is no longer staying put One of the most striking aspects of the study is its focus on old carbon. Permafrost soils are packed with organic matter from plants and microbes that built up over thousands and in some cases tens of thousands, of years. Because the ground stayed frozen, that material remained largely locked away, unable to decompose rapidly. As thaw advances, that protection weakens. Water moving through the newly thawed layer dissolves some of that organic matter and transports it into streams and rivers as DOC. Once in aquatic systems, that carbon can be processed by microbes, exposed to sunlight, transformed into other compounds, or emitted back to the atmosphere as carbon dioxide. This is why scientists are so concerned about permafrost thaw. It is not only a sign of warming. It can also amplify warming. Carbon that was stored on land becomes mobile, then reactive and eventually atmospheric. The Arctic Ocean already receives a disproportionate amount of river-borne organic carbon compared with many other parts of the world. According to the study context, more than 275 million tons of this material are converted each year into carbon dioxide. That does not mean every molecule delivered by Alaska's rivers will immediately become greenhouse gas, but it does show how tightly linked land thaw and atmospheric feedbacks can be. ## Northwestern Alaska stands out The changes are not uniform across the North Slope. The model suggests that the biggest increases in dissolved organic carbon export are happening in the northwest. Geography appears to be a major reason. Flatter terrain tends to accumulate thicker organic-rich soils. Over long periods, waterlogged tundra can preserve large stores of carbon-rich material. When permafrost in those landscapes begins to thaw more deeply, there is simply more old organic matter available to be mobilized. Farther east, the landscape becomes more mountainous. Soils there are often rockier and sandier and organic material is less concentrated. Water moving through those systems may still increase, but it tends to pick up less DOC. That regional contrast helps explain why a single Arctic-wide average can miss some of the most important local shifts. This finer geographic detail is one of the study's big strengths. It shows not just that change is happening, but where it may be most intense. That is vital for monitoring, ecosystem planning and future field campaigns. ## The thaw season is stretching later into the year Another standout result is the timing. Arctic warming is often discussed in terms of hotter summers or shrinking sea ice, but the calendar itself is shifting too. According to the model results, the thaw season on Alaska's North Slope now extends further into autumn than it once did. That matters because late-season thaw changes the balance between surface runoff and subsurface flow. It also alters how long river networks remain connected to thawed soils. If the active layer stays open longer, there is more time for water to move through carbon-rich ground and carry dissolved material toward the coast. Late-season freshwater pulses may also affect coastal lagoons and estuaries at times of year when conditions used to be more stable. Salinity patterns can shift. Nutrient delivery can change. Food webs that depend on a predictable seasonal rhythm may be pushed in new directions. For communities, managers and researchers working in the Beaufort coastal region, these are not abstract numbers. They point to real changes in habitat, water chemistry and ecological timing. ## Why this problem has been hard to measure It is surprisingly difficult to monitor Arctic rivers directly. The North Slope is huge, remote and logistically challenging. Many waterways have sparse sampling records and some are rarely measured at all. Harsh weather, seasonal access and the sheer number of small catchments make comprehensive field coverage almost impossible. That is why modeling studies like this are so valuable. They do not replace direct measurements, but they help fill the enormous observational gaps between them. In this case, the model integrates weather, snow, soil, thaw depth and river transport over more than four decades, offering a coherent regional view that field sampling alone cannot yet provide. The computational effort was substantial. According to the research team, each high-resolution simulation required 10 continuous days on a supercomputer at the Massachusetts Green High Performance Computing Center. That level of computing reflects just how complex Arctic land-water-carbon systems have become to study. It also reflects how important they are. Better estimates of freshwater and DOC inputs can support coastal ecosystem research, improve carbon accounting and guide future monitoring programs in northern Alaska. ## What happens when this carbon reaches the coast Once freshwater and dissolved organic carbon enter estuaries along the Beaufort Sea, the story does not stop. Estuaries are chemically active mixing zones where river water meets seawater. Organic carbon can flocculate, sink, be broken down by microbes, or be transformed by light-driven reactions. Some is buried. Some is exported farther offshore. Some returns to the atmosphere. Freshwater itself can also reshape coastal conditions by lowering salinity and strengthening stratification, especially in shallow lagoon systems. These changes can influence how nutrients circulate and how organisms from plankton to fish use the habitat. The study's outputs are expected to be useful to a broad range of researchers, including those working on the Beaufort Lagoon Ecosystems project. That is important, because many climate effects emerge not from one dramatic shift, but from a chain of linked changes moving from land to rivers to sea. In the Arctic, those links are especially tight. Frozen ground controls water flow. Water flow controls carbon transport. Carbon transport affects coastal chemistry. Coastal chemistry influences ecosystem function. And all of it feeds back into the climate system. ## A feedback loop the world cannot ignore Permafrost has long been viewed as one of the planet's major hidden carbon stores. The danger is not simply that it is melting, but that the thaw unlocks biological and chemical pathways that have been shut down for millennia. Once thawed, ancient organic matter becomes available for decomposition and export. That creates a classic climate feedback. Warming causes permafrost thaw. Thaw releases more carbon through rivers and soils. Some of that carbon is converted into greenhouse gases. Those gases contribute to further warming, which drives more thaw. The exact size and speed of this feedback remain uncertain and that uncertainty is one reason the new study matters. The more clearly scientists can quantify water and carbon movement from Arctic land to ocean, the better they can estimate how much additional warming these systems may produce. The work also highlights a point that sometimes gets lost in climate discussion: not all emissions come from smokestacks, tailpipes, or industrial facilities. Some come from destabilized natural reservoirs that human-driven warming is now pushing out of balance. ## What scientists will want to know next This study opens several next questions. One is how much of the exported DOC is old versus relatively young carbon. Another is how rapidly that material is converted into carbon dioxide or methane once it enters aquatic systems. Researchers also want to understand how local landforms, including the polygonal ground created by ice wedges, affect the routing of thawwater and carbon. There is also a need for tighter links between models and field data. More river chemistry sampling, better measurements of autumn flows and expanded coastal monitoring would all help test and refine these results. Satellite observations, airborne mapping and isotopic tracing may further sharpen the picture. Even with those uncertainties, the broad message is already clear. Northern Alaska's water cycle is changing. Permafrost thaw is no longer a slow background process. It is now actively reshaping when water moves, how much carbon it carries and what reaches the Arctic coast. For a warming world, that is a warning worth paying attention to. The Arctic is not merely responding to climate change. It is increasingly becoming part of the engine that drives it forward. --- Source: https://polymerjournals.com/engineered-bacteria-turn-pet-plastic-waste-into-levodopa-in-drug-making-proof-of-concept/ # Engineered Bacteria Turn PET Plastic Waste Into Levodopa in Drug-Making Proof of Concept > Researchers at the University of Edinburgh have shown that waste plastic can become the starting point for a medically important drug. In a new proof-of-concept study, the team used engineered Escherichia coli to convert material derived from polyethylene terephthalate, or PET, into... Canonical URL: https://polymerjournals.com/engineered-bacteria-turn-pet-plastic-waste-into-levodopa-in-drug-making-proof-of-concept/ Byline: University of Edinburgh Published: 2026-04-13T16:37:20+00:00 Categories: News, Progress in Rubber, Plastics and Recycling Technology ![Plastic bottle bacteria](https://polymerjournals.com/wp-content/uploads/2026/04/plastic_bottle_bacteria-scaled.jpg) Researchers at the University of Edinburgh have shown that waste plastic can become the starting point for a medically important drug. In a new proof-of-concept study, the team used engineered *Escherichia coli* to convert material derived from polyethylene terephthalate, or PET, into levodopa, one of the best-known treatments for Parkinson's disease. The work sits at an unusual intersection of polymer recycling, synthetic biology and pharmaceutical manufacturing. PET is the polyester used in many drink bottles, food trays and packaging films. Levodopa, by contrast, is a high-value medicine used to manage the movement-related symptoms of Parkinson's. Bringing those two worlds together is a striking example of what researchers now call **upcycling**: taking a waste stream and turning it into a product with greater value than the original material. The scientists are careful not to overstate the result. This is not yet an industrial process and it will not solve global plastic pollution on its own. Even so, the study shows something important: plastic waste is not only a disposal problem, but also a potential carbon feedstock for making useful chemicals that would otherwise be produced mainly from fossil resources. ## From common polyester to a pharmaceutical building block PET is one of the world's most familiar polymers. Chemically, it is a polyester made from terephthalic acid and ethylene glycol. Because it is strong, light, transparent and cheap, it has become a dominant packaging material. The drawback is equally well known. Large volumes of PET enter waste streams every year and not all of it is effectively collected, sorted and recycled. Mechanical recycling can keep PET in use for another life cycle, but that route has limits. Material quality can fall over repeated cycles, contamination complicates processing and mixed waste streams reduce value. Chemical and biological recycling methods are therefore attracting growing attention, especially those that can break PET into its smaller molecular components and then rebuild those components into something new. In this latest study, the key PET-derived feedstock was terephthalic acid, often shortened to TPA. Once PET is depolymerized, TPA can be recovered as one of the major monomers. Instead of simply turning that monomer back into more polymer, the Edinburgh team asked a broader question: can biology redirect that carbon into a completely different product class? The answer, at least at laboratory scale, appears to be yes. ## Why levodopa matters Levodopa has long been considered a central medicine in Parkinson's treatment. It is widely used to help manage tremor, stiffness and other motor symptoms linked to the disease. In clinical practice it remains a cornerstone therapy because it can restore dopamine-related function more effectively than many alternatives. That clinical importance is part of what makes the study notable. Researchers did not choose a trivial demonstration molecule. They selected a real pharmaceutical with established medical value. By doing that, they showed that polymer waste can, in principle, feed into the manufacture of an essential medicine rather than only low-value fuel or bulk chemicals. There is also a sustainability angle. Conventional routes to many pharmaceutical compounds depend on petrochemical feedstocks, energy-intensive synthesis, or precious catalysts. A biologically driven route from waste-derived aromatic monomers could, if scaled successfully, reduce reliance on virgin fossil carbon and make some parts of the supply chain more circular. That does not mean the new route is automatically greener in every respect. Full environmental performance would still need life-cycle analysis, including polymer collection, depolymerization, fermentation, purification, energy use and yield. But the concept opens a credible path toward lower-carbon pharmaceutical manufacturing. ## How the researchers made the conversion work The process begins before the bacteria are involved. PET must first be broken down into its constituent molecules. For this study, the crucial intermediate was TPA, the aromatic monomer that gives PET much of its rigidity and performance. The real innovation was in the metabolic engineering. The researchers designed a new biological pathway in *E. coli* that could take up TPA and convert it through enzyme-driven steps toward levodopa. Rather than forcing a single bacterial strain to do all the chemistry at once, the team used two engineered strains in sequence. One organism handled part of the pathway and a second completed the downstream transformation. This split-pathway approach is often useful in synthetic biology. Long metabolic routes can place too much burden on one cell, lower productivity, or create incompatibilities between enzymes. Dividing the job between two strains can improve control and help each organism focus on the chemistry it performs best. The challenge here was especially interesting because TPA is not a natural feedstock for making levodopa. Researchers had to redirect bacterial metabolism so that a plastic-derived aromatic compound could be turned into the right biochemical intermediate and then into the target drug molecule. In other words, they built a custom carbon pathway linking polymer waste to pharmaceutical synthesis. ![Biotechnologist Stephen Wallace harvesting engineered bacteria. (Edinburgh Innovations)](https://polymerjournals.com/wp-content/uploads/2026/04/Engineered_Bacteria_Turn_PET_Plastic_Waste_Into_Levodopa_in_Drug-Making_Proof_of_Concept.jpg) The result was a laboratory demonstration that engineered microbes can use a PET-derived input and produce levodopa. That is a major conceptual step, even if productivity, yield and economics still need a great deal of work before any industrial deployment could be considered. ## What makes this important for polymer science Polymer recycling discussions often focus on making the same polymer again. That remains important, especially for high-volume packaging materials such as PET. But another branch of the field is now developing quickly: using waste polymers as carbon reservoirs for new chemical products. This approach broadens the value proposition of recycling. For PET, the chemistry makes this particularly appealing. Terephthalic acid is an aromatic molecule and aromatic compounds are valuable starting points in many branches of chemical manufacturing. If researchers can reliably funnel TPA into microbial or catalytic routes, PET waste could support the production of fine chemicals, monomers, materials additives and pharmaceutical intermediates. That matters because economics often decide which recycling technologies survive beyond the lab. A route that produces only low-value outputs can struggle to compete with cheap virgin petrochemicals. A route that makes higher-value molecules may support better process economics, especially at early scale. There is also a scientific lesson here. Waste plastics should not always be viewed only as end-of-life materials. In some cases they are structured carbon sources with useful chemistry already built in. PET is not just discarded packaging. It is a synthetic polymer containing aromatic building blocks that can be harvested and transformed. That shift in mindset is helping to reshape the field. Scientists are asking not only how to collect and reprocess plastics, but how to extract the most molecular value from them. ## A broader move toward biological upcycling The Edinburgh result is part of a wider trend. Over the past several years, researchers have been developing enzymes that break down PET more efficiently, microbes that assimilate plastic-derived monomers and hybrid processes that combine depolymerization chemistry with fermentation. This is creating a new toolkit for turning plastic waste into specialty chemicals. Importantly, the same research group had previously reported another pharmaceutical example: converting PET-derived material into paracetamol. Seen together, the paracetamol and levodopa studies suggest that the idea is not limited to one headline-grabbing molecule. It may be possible to build a platform in which waste plastic feeds a range of tailored biosynthetic pathways. That platform view is significant. If a single waste stream can be channeled into multiple products depending on market demand, a future recycling biorefinery could become more flexible and resilient. One product might be a medicine precursor, another a performance chemical and another a polymer additive. The common theme would be that all start with recovered carbon from plastic waste. Biological processes also offer selectivity advantages. Enzymes can carry out complex transformations under relatively mild conditions, often with less need for extreme temperatures or harsh reagents than traditional chemical synthesis. That does not guarantee simpler scale-up, but it does make biology attractive for making intricate molecules. ## The limitations are real As exciting as the study is, it should be understood in the right context. This is a proof of concept carried out at laboratory scale. Moving from a successful academic demonstration to a robust industrial process is a long journey. Several technical questions remain open. Can the engineered bacteria tolerate the feedstocks and intermediates at high concentrations? Can yields and productivities be raised enough for manufacturing? How clean must the TPA feed be and what pre-treatment is needed for real mixed post-consumer PET waste? How costly will downstream purification of pharmaceutical-grade levodopa be? There are also regulatory and supply-chain questions. Pharmaceutical production demands very high consistency, traceability and purity. Using waste-derived carbon does not prevent that, but it does require careful process design and validation. A future manufacturing route would need to show that the recycled origin of the carbon does not compromise quality or patient safety. The researchers themselves note another important point: even if all global levodopa were made by such a route, it would consume only a tiny fraction of the plastic waste generated worldwide. So this should not be presented as a direct solution to the entire plastics crisis. Instead, its value is strategic. It demonstrates a new kind of circular chemistry in which plastic waste can become part of high-value manufacturing. That can complement, rather than replace, better collection systems, improved packaging design, reduction of unnecessary plastic use and stronger conventional recycling infrastructure. ## Why PET is such a strong candidate for this kind of work PET has several features that make it especially attractive for advanced recycling research. It is used at enormous scale, its chemistry is well understood and it can be depolymerized into recognizable monomers. Compared with some mixed or heavily additive-loaded polymers, PET offers a relatively clear route from waste object back to molecular feedstock. The terephthalic acid recovered from PET is especially valuable because aromatic molecules are harder to make sustainably than simple aliphatic chemicals. When PET is discarded, a potentially useful aromatic carbon source is being lost. Recovering that value is one reason PET remains central to discussions about chemical recycling and upcycling. Still, feedstock quality matters. Clean bottle streams are very different from colored, multilayer, contaminated, or blended PET wastes. Real-world deployment of biobased upcycling will depend not only on clever metabolic engineering, but on sorting, cleaning and depolymerization technologies that can provide reliable inputs. ## What this could mean for future manufacturing If the concept can be scaled, it hints at a new industrial model. Waste management, polymer depolymerization, bioprocessing and pharmaceutical chemistry would become parts of one connected value chain. A used bottle could eventually be seen not as rubbish, but as a feedstock for specialty manufacturing. That idea fits with a broader shift toward circular industry. In a circular system, materials are kept in use at their highest possible value for as long as possible. Sometimes that means reusing a product. Sometimes it means mechanically recycling a polymer. And sometimes, as in this study, it may mean converting the polymer into a very different and more valuable molecule. The work also strengthens the case for integrating synthetic biology into polymer science. Engineered microbes are increasingly being used to make monomers, degrade polymers and valorize waste streams. As these tools improve, the border between materials science and biotechnology will continue to blur. For industry, the long-term opportunity is not just one drug. It is the possibility of building flexible manufacturing systems that use waste-derived feedstocks for a portfolio of chemicals and medicines. Whether that happens will depend on yields, economics, policy and infrastructure. But the scientific direction is becoming clearer. ## A small experiment with a big message The headline result is simple: researchers have shown that carbon from PET plastic can be routed into levodopa using engineered bacteria. Behind that simple statement lies a larger message about how waste plastics may be reimagined. Plastic pollution is still a major environmental problem. Better reduction, collection, design and recycling remain essential. Yet studies like this show that advanced recycling does not have to stop at making more plastic. It can also feed into medicine, fine chemicals and other high-value sectors. For polymer science, that is a powerful idea. It suggests that at least some discarded plastics can serve as raw materials for a more circular chemical economy. For biotechnology, it shows how metabolic engineering can unlock unfamiliar feedstocks. And for sustainable manufacturing, it offers a glimpse of systems where human health and waste reduction are addressed together. The Edinburgh team's work is early-stage, but it is imaginative, technically sophisticated and highly relevant to the future of polymer upcycling. Turning a waste bottle into a Parkinson's drug will not clean up the planet by itself. What it does do is prove that the molecular value trapped inside waste plastics is much greater than many people assume. --- Source: https://polymerjournals.com/tungsten-carbide-catalyst-offers-a-tougher-route-for-recycling-mixed-polyolefin-waste/ # Tungsten Carbide Catalyst Offers a Tougher Route for Recycling Mixed Polyolefin Waste > A new study reports that tungsten carbide-based catalysts can hydrocrack polyolefin plastics efficiently even when the feed contains polyvinyl chloride, or PVC, a contaminant that often disables conventional recycling catalysts. The work points to a potentially important advance for chemical recycling, where... Canonical URL: https://polymerjournals.com/tungsten-carbide-catalyst-offers-a-tougher-route-for-recycling-mixed-polyolefin-waste/ Byline: University of Akron Published: 2026-04-13T16:37:18+00:00 Categories: News, Progress in Rubber, Plastics and Recycling Technology ![Plastic recycling catalyst](https://polymerjournals.com/wp-content/uploads/2026/04/plastic_recycling_catalyst-scaled.jpg) A new study reports that tungsten carbide-based catalysts can hydrocrack polyolefin plastics efficiently even when the feed contains polyvinyl chloride, or PVC, a contaminant that often disables conventional recycling catalysts. The work points to a potentially important advance for chemical recycling, where real plastic waste streams are rarely pure and often contain additives, mixed polymers and traces of chlorine-bearing materials. The research, published in the [Journal of the American Chemical Society](https://pubs.acs.org/doi/pdf/10.1021/jacs.5c11845), was carried out by scientists from the University of Akron and collaborating institutions including the University of Rochester, Indiana University, the University of North Texas and Pacific Northwest National Laboratory. The team describes tungsten carbide, written as WxC, as an intrinsically bifunctional catalyst that combines metal-like and acid-like behavior in a single material platform. That matters because hydrocracking of polyolefins depends on two different catalytic jobs happening together. One set of sites must carry out hydrogenation and dehydrogenation steps. Another set, known as Brønsted acid sites, must promote isomerization and carbon-carbon bond cleavage. In most established systems, those functions are supplied by separate components, often a noble metal combined with a zeolite acid support. Such catalysts can work well on purified feeds, but they are less suited to the messy reality of post-consumer plastic waste. Polyolefins such as polyethylene and polypropylene make up a large share of global plastic production. They are widely used in packaging, consumer goods, household products and industrial applications. Chemical recycling routes that convert these long polymer chains back into shorter hydrocarbons could create feedstocks for new chemicals and fuels, complementing mechanical recycling and helping recover value from difficult waste streams. The challenge is that mixed waste is hard to process cleanly. Even small amounts of PVC can be a major problem. Under hydrocracking conditions, PVC can release chlorine-containing species that poison or deactivate many standard catalysts, especially those based on noble metals and acidic zeolites. At the same time, the pore structure of traditional catalysts can be poorly matched to large polymer molecules and their bulky reaction intermediates. In narrow micropores, mass transport slows down and some active sites may be hard for polymer chains to reach. The new work tackles both issues at once. The researchers show that tungsten carbide materials can provide closely spaced catalytic functions without relying on the classic noble metal plus zeolite design. In their system, W and W2C phases act as the "metal" sites, while hydroxyl groups associated with tungsten oxide species provide Brønsted acidity. Because these functions are built into the same material family, the active sites are naturally close together, which can improve reaction efficiency for large polymer substrates. ![Plastic waste reactor](https://polymerjournals.com/wp-content/uploads/2026/04/plastic_waste_reactor.jpg) ## Why site proximity matters in polymer hydrocracking For small hydrocarbons, bifunctional catalysis is already a well-known concept. A molecule may first undergo dehydrogenation on a metal site, then migrate to an acid site for skeletal rearrangement or bond scission and finally return to a metal site for hydrogenation. When the reactant is a long polymer chain rather than a small alkane, that choreography becomes more difficult. Large molecules move slowly, can become sterically hindered and may not easily access deep pore networks. If the metal and acid functions are too far apart, the reactive intermediate formed at one site may not efficiently reach the other before unwanted side reactions occur. The new tungsten carbide system appears to reduce that problem by offering what the authors describe as unique site intimacy. In simple terms, the two required functions sit near each other on the catalyst, which is valuable for handling heavy polymer-derived species. The team also found that the balance between metal-like and acid-like functions can be tuned by changing the carburization temperature during catalyst preparation. That temperature alters the relative amounts of tungsten carbide, metallic tungsten and tungsten oxide-related species. As a result, the ratio of metal sites to Brønsted acid sites can be adjusted. This balance turned out to be critical. The study reports a volcano-shaped activity trend, meaning performance improved as the ratio approached an optimum and then declined when the balance shifted too far in either direction. That is a classic sign in catalysis that neither function alone is enough. Too few acid sites can limit cracking. Too few metal sites can slow the hydrogen transfer steps needed to keep the overall sequence moving efficiently and selectively. ## A catalyst built for less-than-perfect plastic sorting One of the most notable findings is the catalyst's response to PVC contamination. Conventional hydrocracking catalysts can lose activity when chlorine is released from PVC under reaction conditions. That is a serious practical problem because waste sorting is expensive, imperfect and difficult at large scale. If a catalyst only works on highly purified polyolefin streams, its industrial usefulness may be limited. In contrast, the tungsten carbide catalysts in this study maintained activity and in some cases even showed increased activity, when the polyolefin substrate contained 10 weight percent PVC. That result does not mean PVC suddenly becomes harmless in every recycling process and it does not remove the need for smart feed management. But it does suggest a much higher level of tolerance to chlorine-bearing contamination than is typical for established noble metal and zeolite systems. That tolerance could be highly relevant for real municipal and commercial waste streams, where some level of cross-contamination is normal. A catalyst that can keep working in the presence of PVC could reduce preprocessing burdens, lower sorting costs, or widen the range of acceptable feedstocks for chemical recycling plants. The use of tungsten is also significant from a materials standpoint. Noble metals such as platinum are effective catalytic components but can be expensive and vulnerable to poisoning. Transition-metal carbides have long attracted interest because they sometimes show catalytic behavior resembling that of precious metals while relying on more earth-abundant elements. This study extends that idea into polymer hydrocracking in a particularly compelling way. ## Efficiency per acid site was markedly higher The authors report that, on a per-Brønsted-acid-site basis, the tungsten carbide catalysts were more than an order of magnitude more efficient than conventional bifunctional catalysts. That is a striking comparison, because it suggests the gain is not simply due to having more active sites overall. Instead, each acid site appears to be used more effectively. The researchers attribute much of that advantage to improved transport of polymer intermediates. In standard microporous catalysts, a meaningful fraction of potential activity may be inaccessible to large chains or hindered fragments. By contrast, the tungsten carbide system seems to present reactive functionality in a way that is easier for polymer-derived species to reach and use. For the field of plastic chemical recycling, that detail matters. Polymer conversion is not just a question of intrinsic catalytic chemistry. Reactor performance often depends on whether large, viscous, or partially cracked molecules can physically access the sites needed for the next reaction step. A catalyst can look excellent in small-molecule testing yet struggle with real polymers if transport limitations dominate. The kinetic data in the new study support a sequential cleavage mechanism in which each polyolefin chain is cut step by step rather than shattering randomly all at once. That behavior is consistent with broader understanding of hydrocracking chemistry. It also helps explain why the distribution of products and the concept of cracking ideality remain useful for thinking about polymers as well as smaller alkanes. The authors note that trends in cracking ideality and selectivity followed those observed in short-alkane hydrocracking. That connection is valuable because it links polymer recycling chemistry to a more mature body of catalytic science. It suggests that design rules developed for refining and hydrocarbon processing may still apply, but they need to be adapted for the physical realities of polymer feedstocks. ## What this means for the design of future recycling catalysts The broader message of the work is that catalyst architecture matters as much as catalyst composition. Traditional bifunctional systems often combine separate materials to achieve metal and acid functionality. That approach can be powerful, but it can also create mismatches in site accessibility, diffusion path length and resistance to contaminants. By building both functions into tungsten-containing carbide and oxide domains, the researchers created a catalyst family with several practical advantages. The metal-to-acid balance is tunable. The active functions are close together. The structure appears more compatible with large polymer-derived intermediates. And the system is notably more tolerant of chlorine released by PVC than conventional benchmarks. This is especially important because the future of chemical recycling may depend less on ideal feedstocks and more on robust processing of imperfect ones. Industrial plants do not operate on textbook polymer samples. They process post-consumer films, mixed rigid packaging, contaminated industrial scrap and materials carrying labels, inks, fillers, additives and traces of other plastics. Catalysts that are highly active but fragile may not survive that environment. A tougher catalyst platform could also improve process economics. If feed purification can be relaxed even slightly, the savings in sorting and pretreatment could be meaningful. If catalyst life improves in the presence of contaminants, shutdowns and replacement costs may fall. And if the catalyst converts polyolefins efficiently to shorter hydrocarbons under hydrogen, the output stream may be better suited for downstream upgrading into useful chemical products. There are still questions to answer before such catalysts move toward industrial deployment. Long-term stability under continuous operation will matter. So will regeneration behavior, chlorine balance, product distributions under realistic mixed-plastic feeds and compatibility with additives and fillers commonly found in waste. Scale-up of catalyst synthesis and shaping into practical reactor forms will also be important. Even so, the study gives the field a new direction. Rather than viewing PVC contamination only as a reason to avoid hydrocracking mixed plastics, it suggests that catalyst chemistry can be redesigned to cope with the problem. It also broadens the set of materials considered useful for bifunctional catalysis in polymer recycling, bringing transition-metal carbides into stronger focus. That could inspire a wider search for catalyst families that combine metal and acid functions naturally, resist heteroatom poisoning and avoid the transport penalties associated with conventional microporous supports. Variants based on other carbide or oxycarbide systems may now draw more attention, especially if they can be tuned with the same level of control reported here. For recycling researchers, the practical appeal is clear. Polyolefins remain the largest and most difficult-to-manage plastic fraction in many waste streams. Any technology that makes them easier to depolymerize or hydrocrack under realistic conditions could have major environmental and industrial value. A catalyst that stays active even when PVC is present addresses one of the most stubborn barriers to translating lab chemistry into real waste processing. For catalysis scientists, the work is a reminder that multifunctional materials can outperform traditional combinations when site proximity and substrate size become dominant factors. The more complex the feed, the more important those design details become. In that sense, tungsten carbide is not just another candidate catalyst. It may represent a broader strategy for building recycling systems around the actual composition of waste, rather than around idealized, perfectly sorted plastics. If that approach holds up under further testing, it could help make chemical recycling more tolerant, more flexible and more relevant to the plastics problem as it exists outside the laboratory. The study appears under the title *Intrinsically Bifunctional and Tunable Tungsten Carbide Catalysts Enable Efficient PVC-Compatible Polyolefin Hydrocracking*. Its findings add a notable new option to the growing toolkit for polymer upcycling and feedstock recovery. --- Source: https://polymerjournals.com/hundreds-of-earthquakes-detected-at-antarcticas-doomsday-glacier/ # Hundreds of glacial earthquakes found at Antarctica’s Thwaites Glacier sharpen concern over ice-fracture instability > Scientists have reported one of the clearest signs yet that Antarctica's Thwaites Glacier is not just melting and thinning, but also failing in ways that can be tracked through seismic signals. In a new study posted as a preprint and due to... Canonical URL: https://polymerjournals.com/hundreds-of-earthquakes-detected-at-antarcticas-doomsday-glacier/ Byline: Geophysical Research Letters Published: 2026-04-04T21:46:44+00:00 Categories: Materials, News ![Antarctic glacier ice](https://polymerjournals.com/wp-content/uploads/2026/04/antarctic_glacier_ice-1-scaled.jpg) Scientists have reported one of the clearest signs yet that Antarctica's Thwaites Glacier is not just melting and thinning, but also failing in ways that can be tracked through seismic signals. In a new study posted as a preprint and due to appear in *Geophysical Research Letters*, researchers identified **362 glacial earthquakes** at Thwaites between 2010 and 2023. Most of those events were clustered near the glacier's ocean-facing edge, where ice breaks off into the sea. That matters because Thwaites is not an ordinary glacier. It is one of the largest and most vulnerable ice systems in West Antarctica and it is often called the *Doomsday Glacier* because of its potential contribution to sea-level rise if it were to retreat rapidly over long timescales. A complete collapse of the glacier and the ice it holds back would have major global consequences, although scientists do **not** expect such a full collapse to happen all at once. The new earthquake catalog does not mean that disaster is imminent. But it does show that the glacier is highly dynamic at its marine front, where contact with the ocean, iceberg calving, cracking and mechanical failure all interact. For materials scientists and fracture researchers, that makes Thwaites a remarkable natural laboratory: a giant body of polycrystalline ice behaving like a stressed, damaged and evolving material under changing temperature and loading conditions. ![Cracks in the ice of Thwaites Glacier viewed from the air in 2020](https://polymerjournals.com/wp-content/uploads/2026/04/Hundreds_of_glacial_earthquakes_found_at_Antarcticas_Thwaites_Glacier_sharpen_concern_over_ice-1.jpg) *Cracks in the ice of Thwaites Glacier viewed from the air in 2020.* ## What makes a glacial earthquake different from an ordinary earthquake? Most people think of earthquakes as tectonic events caused by faults in rock. Glacial earthquakes are different. They are seismic events generated by the movement and break-up of ice, especially where large outlet glaciers meet the ocean. The phenomenon was first recognized in the Northern Hemisphere more than 20 years ago. A landmark paper in [Science](https://doi.org/10.1126/science.1088057) showed that some very large seismic signals from Greenland were not tectonic quakes at all, but were linked to glacier motion and iceberg calving. Since then, glacial earthquakes have become an important way to study the mechanical behavior of ice sheets. One common mechanism is the sudden detachment and rotation of an enormous iceberg. When a large block of ice calves from a glacier front and begins to capsize in the water, it can apply a strong force to the glacier and the surrounding ocean. That force generates seismic waves that can be detected far away. In effect, the glacier "rings" when a major calving event occurs. These events are useful because satellites can show where glaciers are changing, but seismology can reveal *when* rapid fracture and calving happen, sometimes with very high timing precision. Seismic records therefore provide a way to monitor ice failure in near real time and over long historical periods. Until recently, however, only a small number of glacial earthquakes had been confirmed in Antarctica. That made the continent seem quieter than Greenland from a seismic point of view, even though Antarctica contains vastly larger ice masses. The new findings suggest that part of the difference may have been one of detection rather than absence. ## What the new study found at Thwaites The new work reports evidence for **hundreds** of Antarctic glacial earthquakes over a 13-year period, with a strong concentration at Thwaites Glacier. Of the 362 events identified, **245 were located near the marine end of Thwaites**. According to the study, most of those are likely linked to iceberg capsizing and related calving processes. That geographic clustering is important. It places the seismic activity where Thwaites is in direct interaction with the ocean, rather than deep in the stable interior of the ice sheet. The result fits with what glaciologists already know about Thwaites: its floating and near-floating margins are under severe stress, its grounding zone is changing and warm ocean water has been implicated in ongoing ice loss beneath parts of the glacier. The preprint is available through [ESS Open Archive](https://essopenarchive.org/doi/full/10.22541/essoar.175596888.87914182). While the paper focuses on event detection and location, its broader value lies in showing that Antarctic seismic records contain a richer history of glacier failure than many researchers appreciated. A fuller event inventory can help scientists compare calving styles, identify periods of heightened activity and test links between seismicity, ocean forcing and ice-front geometry. Just as important, the results suggest that Antarctic glaciers may produce more detectable mechanical signals as they destabilize. That does not automatically translate into faster sea-level rise on short timescales, but it does add another line of evidence that the glacier terminus is highly active and mechanically complex. https://bsky.app/profile/did:plc:nipoqrw2c5olbwkhy3bqxkiy/post/3m5fdp6v6gk2w Independent climate scientists and communicators also highlighted the finding because it connects a vivid public image of Thwaites with a measurable physical process: the glacier is not simply shrinking quietly. It is breaking, shedding icebergs and generating forceful seismic events that can be tracked over time. ## Why Thwaites Glacier attracts so much attention Thwaites drains a large part of West Antarctica into the Amundsen Sea. It is especially significant because much of the ice in this region rests on bedrock that deepens inland. That geometry can make marine ice-sheet retreat hard to stop once it gets underway, since the retreating grounding line can expose thicker ice to the ocean. The glacier also acts as a partial buttress within the wider ice-sheet system. If Thwaites retreats and thins enough, it can reduce resistance for nearby ice, potentially amplifying losses beyond its own basin. This is one reason scientists watch it so closely with aircraft, satellites, ocean instruments, autonomous underwater vehicles and field campaigns. The nickname *Doomsday Glacier* captures public attention, but it can also oversimplify the science. The realistic concern is not that Thwaites will vanish overnight. The concern is that ongoing thinning, grounding-line retreat, calving and structural weakening may push the glacier toward faster long-term mass loss, with consequences for global coastlines. In that context, glacial earthquakes matter because they are direct evidence of abrupt mechanical events. A glacier can lose mass slowly through melt, but it can also lose it in sudden chunks through fracture and calving. When the latter process accelerates, seismicity can become a valuable diagnostic. ## Why this is also a materials story Although the headline is about earthquakes, the underlying science is deeply tied to materials behavior. Glacier ice is a complex solid. It can deform slowly like a viscous material over long periods, yet it can also fail suddenly in a brittle way when stresses are concentrated. Its response depends on temperature, grain structure, impurities, cracks, water content, loading rate and confinement. Thwaites is therefore a large-scale example of competing deformation modes in a natural material. Inland, the ice may creep over years and decades. Near the front, especially where crevasses open and icebergs detach, brittle fracture becomes more prominent. The seismic signals detected in the study are effectively a record of abrupt failure episodes. For readers in polymer and composite fields, there is a familiar theme here: materials often do not fail in a single uniform way. They accumulate damage, develop local weak zones and respond differently across time and length scales. In ice, as in many engineering materials, the transition from distributed deformation to catastrophic cracking is crucial. There is also the role of interfaces. Thwaites is influenced by the contact between ice and ocean water, by the geometry where grounded ice begins to float and by fracture planes that may be lubricated or widened by meltwater. Interface-driven failure is a classic problem across materials science, whether one is studying coatings, laminates, composites, or cryogenic solids. Finally, the study highlights the importance of sensing. In industrial settings, engineers use acoustic emission and vibration monitoring to detect crack growth and structural failure before total breakdown. Seismology plays a similar role for glaciers at planetary scale. Each glacial earthquake is a detectable signature of energy release from material failure. ## What the earthquake pattern may be telling researchers The concentration of events near the marine end of Thwaites strongly suggests that calving is the dominant source for many of the detected earthquakes. When large icebergs break free and rotate, they can create forces big enough to produce distinct seismic signals. That interpretation matches observations from Greenland, where many glacial earthquakes have been linked to large calving events. But not every signal has to come from the exact same mechanism. Some may reflect changes in stress around the grounding zone, stick-slip motion at the ice-bed interface, or rapid fracture within heavily crevassed ice. Distinguishing among those possibilities will require combining seismic records with satellite imagery, ice-speed measurements and ocean observations. This is where long time series become valuable. If researchers can match bursts of seismicity to known periods of retreat, thinning, or major calving-front reorganization, they can begin to use earthquakes as a proxy for structural change. Over time, that could improve how models represent episodic ice loss, which remains one of the harder parts of sea-level forecasting. https://bsky.app/profile/did:plc:nipoqrw2c5olbwkhy3bqxkiy/post/3m6rniomkgk2i The social-media discussion around the work reflects a wider shift in cryosphere science: increasingly, glaciers are being interpreted not only as climate indicators but also as dynamic mechanical systems. The climate signal sets the background conditions, but the immediate expression at the ice front can be sudden, nonlinear and noisy. ## What the study does and does not mean It is important not to overread the result. A higher number of detected glacial earthquakes does **not** mean that Thwaites is on the verge of an immediate full collapse. Calving is a normal process for marine-terminating glaciers and seismic detection itself does not measure total mass loss. At the same time, the findings should not be dismissed as routine. Thwaites is already one of the world's most closely watched glaciers because multiple lines of evidence point to ongoing destabilization. A dense record of glacial earthquakes adds to that picture by documenting how active and energetic the glacier front has been over more than a decade. Another caution is that catalog quality depends on station coverage, signal processing and location uncertainty. Antarctica is remote, instrument networks are sparse compared with many populated regions and some smaller events will have been missed. Even so, the detection of hundreds of events is a strong indication that the phenomenon is real and significant. ## What researchers will want to do next The obvious next step is to connect individual earthquakes to observed calving events, iceberg trajectories and local glacier geometry. That would help confirm which seismic signatures correspond to which physical processes. Researchers will also want to compare Thwaites with other Antarctic outlet glaciers. If similar event catalogs can be built elsewhere, scientists may be able to identify which glacier types are most prone to seismic calving and whether seismicity changes as marine instability advances. Better integration across methods will be essential. Satellite altimetry can measure thinning. Radar and optical imagery can map fractures and front retreat. Ocean data can show where warm water is reaching the ice. Seismology can supply the timing of sudden failure. Put together, those tools offer a more complete picture than any one method alone. - **Key finding:** 362 Antarctic glacial earthquakes were identified between 2010 and 2023, with 245 near the marine end of Thwaites Glacier. - **Likely cause:** many events are consistent with large iceberg calving and capsizing at the glacier front. - **Why it matters:** Thwaites is a major contributor to potential future sea-level rise and a focal point for ice-sheet instability research. - **Why it matters for materials science:** the quakes record abrupt fracture, interface failure and damage evolution in a large natural ice body. - **Main caution:** increased seismic activity is a warning sign of active mechanical change, not proof of immediate total collapse. In short, the new study turns seismic noise into a clearer narrative about one of Antarctica's most consequential glaciers. Thwaites is not simply melting at the margins. It is cracking, calving and releasing energy in bursts that can now be counted and mapped. For climate science, that improves monitoring of a glacier with global importance. For materials science, it is a striking reminder that brittle failure, damage accumulation and interface-driven instability are not limited to the lab or the factory floor. They can reshape entire coastlines. --- Source: https://polymerjournals.com/hundreds-of-glacial-earthquakes-found-at-antarcticas-thwaites-glacier-sharpen-concern-over-ice-fracture-instability/ # Hundreds of glacial earthquakes found at Antarctica’s Thwaites Glacier sharpen concern over ice-fracture instability > Scientists have reported one of the clearest signs yet that Antarctica's Thwaites Glacier is not just melting and thinning, but also failing in ways that can be tracked through seismic signals. In a new study posted as a preprint and due to... Canonical URL: https://polymerjournals.com/hundreds-of-glacial-earthquakes-found-at-antarcticas-thwaites-glacier-sharpen-concern-over-ice-fracture-instability/ Byline: Geophysical Research Letters Published: 2026-04-04T21:45:24+00:00 Categories: Materials, News ![Antarctic glacier ice](https://polymerjournals.com/wp-content/uploads/2026/04/antarctic_glacier_ice-scaled.jpg) Scientists have reported one of the clearest signs yet that Antarctica's Thwaites Glacier is not just melting and thinning, but also failing in ways that can be tracked through seismic signals. In a new study posted as a preprint and due to appear in *Geophysical Research Letters*, researchers identified **362 glacial earthquakes** at Thwaites between 2010 and 2023. Most of those events were clustered near the glacier's ocean-facing edge, where ice breaks off into the sea. That matters because Thwaites is not an ordinary glacier. It is one of the largest and most vulnerable ice systems in West Antarctica and it is often called the *Doomsday Glacier* because of its potential contribution to sea-level rise if it were to retreat rapidly over long timescales. A complete collapse of the glacier and the ice it holds back would have major global consequences, although scientists do **not** expect such a full collapse to happen all at once. The new earthquake catalog does not mean that disaster is imminent. But it does show that the glacier is highly dynamic at its marine front, where contact with the ocean, iceberg calving, cracking and mechanical failure all interact. For materials scientists and fracture researchers, that makes Thwaites a remarkable natural laboratory: a giant body of polycrystalline ice behaving like a stressed, damaged and evolving material under changing temperature and loading conditions. ![Cracks in the ice of Thwaites Glacier viewed from the air in 2020](https://polymerjournals.com/wp-content/uploads/2026/04/Hundreds_of_glacial_earthquakes_found_at_Antarcticas_Thwaites_Glacier_sharpen_concern_over_ice.jpg) *Cracks in the ice of Thwaites Glacier viewed from the air in 2020.* ## What makes a glacial earthquake different from an ordinary earthquake? Most people think of earthquakes as tectonic events caused by faults in rock. Glacial earthquakes are different. They are seismic events generated by the movement and break-up of ice, especially where large outlet glaciers meet the ocean. The phenomenon was first recognized in the Northern Hemisphere more than 20 years ago. A landmark paper in [Science](https://doi.org/10.1126/science.1088057) showed that some very large seismic signals from Greenland were not tectonic quakes at all, but were linked to glacier motion and iceberg calving. Since then, glacial earthquakes have become an important way to study the mechanical behavior of ice sheets. One common mechanism is the sudden detachment and rotation of an enormous iceberg. When a large block of ice calves from a glacier front and begins to capsize in the water, it can apply a strong force to the glacier and the surrounding ocean. That force generates seismic waves that can be detected far away. In effect, the glacier "rings" when a major calving event occurs. These events are useful because satellites can show where glaciers are changing, but seismology can reveal *when* rapid fracture and calving happen, sometimes with very high timing precision. Seismic records therefore provide a way to monitor ice failure in near real time and over long historical periods. Until recently, however, only a small number of glacial earthquakes had been confirmed in Antarctica. That made the continent seem quieter than Greenland from a seismic point of view, even though Antarctica contains vastly larger ice masses. The new findings suggest that part of the difference may have been one of detection rather than absence. ## What the new study found at Thwaites The new work reports evidence for **hundreds** of Antarctic glacial earthquakes over a 13-year period, with a strong concentration at Thwaites Glacier. Of the 362 events identified, **245 were located near the marine end of Thwaites**. According to the study, most of those are likely linked to iceberg capsizing and related calving processes. That geographic clustering is important. It places the seismic activity where Thwaites is in direct interaction with the ocean, rather than deep in the stable interior of the ice sheet. The result fits with what glaciologists already know about Thwaites: its floating and near-floating margins are under severe stress, its grounding zone is changing and warm ocean water has been implicated in ongoing ice loss beneath parts of the glacier. The preprint is available through [ESS Open Archive](https://essopenarchive.org/doi/full/10.22541/essoar.175596888.87914182). While the paper focuses on event detection and location, its broader value lies in showing that Antarctic seismic records contain a richer history of glacier failure than many researchers appreciated. A fuller event inventory can help scientists compare calving styles, identify periods of heightened activity and test links between seismicity, ocean forcing and ice-front geometry. Just as important, the results suggest that Antarctic glaciers may produce more detectable mechanical signals as they destabilize. That does not automatically translate into faster sea-level rise on short timescales, but it does add another line of evidence that the glacier terminus is highly active and mechanically complex. https://bsky.app/profile/did:plc:nipoqrw2c5olbwkhy3bqxkiy/post/3m5fdp6v6gk2w Independent climate scientists and communicators also highlighted the finding because it connects a vivid public image of Thwaites with a measurable physical process: the glacier is not simply shrinking quietly. It is breaking, shedding icebergs and generating forceful seismic events that can be tracked over time. ## Why Thwaites Glacier attracts so much attention Thwaites drains a large part of West Antarctica into the Amundsen Sea. It is especially significant because much of the ice in this region rests on bedrock that deepens inland. That geometry can make marine ice-sheet retreat hard to stop once it gets underway, since the retreating grounding line can expose thicker ice to the ocean. The glacier also acts as a partial buttress within the wider ice-sheet system. If Thwaites retreats and thins enough, it can reduce resistance for nearby ice, potentially amplifying losses beyond its own basin. This is one reason scientists watch it so closely with aircraft, satellites, ocean instruments, autonomous underwater vehicles and field campaigns. The nickname *Doomsday Glacier* captures public attention, but it can also oversimplify the science. The realistic concern is not that Thwaites will vanish overnight. The concern is that ongoing thinning, grounding-line retreat, calving and structural weakening may push the glacier toward faster long-term mass loss, with consequences for global coastlines. In that context, glacial earthquakes matter because they are direct evidence of abrupt mechanical events. A glacier can lose mass slowly through melt, but it can also lose it in sudden chunks through fracture and calving. When the latter process accelerates, seismicity can become a valuable diagnostic. ## Why this is also a materials story Although the headline is about earthquakes, the underlying science is deeply tied to materials behavior. Glacier ice is a complex solid. It can deform slowly like a viscous material over long periods, yet it can also fail suddenly in a brittle way when stresses are concentrated. Its response depends on temperature, grain structure, impurities, cracks, water content, loading rate and confinement. Thwaites is therefore a large-scale example of competing deformation modes in a natural material. Inland, the ice may creep over years and decades. Near the front, especially where crevasses open and icebergs detach, brittle fracture becomes more prominent. The seismic signals detected in the study are effectively a record of abrupt failure episodes. For readers in polymer and composite fields, there is a familiar theme here: materials often do not fail in a single uniform way. They accumulate damage, develop local weak zones and respond differently across time and length scales. In ice, as in many engineering materials, the transition from distributed deformation to catastrophic cracking is crucial. There is also the role of interfaces. Thwaites is influenced by the contact between ice and ocean water, by the geometry where grounded ice begins to float and by fracture planes that may be lubricated or widened by meltwater. Interface-driven failure is a classic problem across materials science, whether one is studying coatings, laminates, composites, or cryogenic solids. Finally, the study highlights the importance of sensing. In industrial settings, engineers use acoustic emission and vibration monitoring to detect crack growth and structural failure before total breakdown. Seismology plays a similar role for glaciers at planetary scale. Each glacial earthquake is a detectable signature of energy release from material failure. ## What the earthquake pattern may be telling researchers The concentration of events near the marine end of Thwaites strongly suggests that calving is the dominant source for many of the detected earthquakes. When large icebergs break free and rotate, they can create forces big enough to produce distinct seismic signals. That interpretation matches observations from Greenland, where many glacial earthquakes have been linked to large calving events. But not every signal has to come from the exact same mechanism. Some may reflect changes in stress around the grounding zone, stick-slip motion at the ice-bed interface, or rapid fracture within heavily crevassed ice. Distinguishing among those possibilities will require combining seismic records with satellite imagery, ice-speed measurements and ocean observations. This is where long time series become valuable. If researchers can match bursts of seismicity to known periods of retreat, thinning, or major calving-front reorganization, they can begin to use earthquakes as a proxy for structural change. Over time, that could improve how models represent episodic ice loss, which remains one of the harder parts of sea-level forecasting. https://bsky.app/profile/did:plc:nipoqrw2c5olbwkhy3bqxkiy/post/3m6rniomkgk2i The social-media discussion around the work reflects a wider shift in cryosphere science: increasingly, glaciers are being interpreted not only as climate indicators but also as dynamic mechanical systems. The climate signal sets the background conditions, but the immediate expression at the ice front can be sudden, nonlinear and noisy. ## What the study does and does not mean It is important not to overread the result. A higher number of detected glacial earthquakes does **not** mean that Thwaites is on the verge of an immediate full collapse. Calving is a normal process for marine-terminating glaciers and seismic detection itself does not measure total mass loss. At the same time, the findings should not be dismissed as routine. Thwaites is already one of the world's most closely watched glaciers because multiple lines of evidence point to ongoing destabilization. A dense record of glacial earthquakes adds to that picture by documenting how active and energetic the glacier front has been over more than a decade. Another caution is that catalog quality depends on station coverage, signal processing and location uncertainty. Antarctica is remote, instrument networks are sparse compared with many populated regions and some smaller events will have been missed. Even so, the detection of hundreds of events is a strong indication that the phenomenon is real and significant. ## What researchers will want to do next The obvious next step is to connect individual earthquakes to observed calving events, iceberg trajectories and local glacier geometry. That would help confirm which seismic signatures correspond to which physical processes. Researchers will also want to compare Thwaites with other Antarctic outlet glaciers. If similar event catalogs can be built elsewhere, scientists may be able to identify which glacier types are most prone to seismic calving and whether seismicity changes as marine instability advances. Better integration across methods will be essential. Satellite altimetry can measure thinning. Radar and optical imagery can map fractures and front retreat. Ocean data can show where warm water is reaching the ice. Seismology can supply the timing of sudden failure. Put together, those tools offer a more complete picture than any one method alone. - **Key finding:** 362 Antarctic glacial earthquakes were identified between 2010 and 2023, with 245 near the marine end of Thwaites Glacier. - **Likely cause:** many events are consistent with large iceberg calving and capsizing at the glacier front. - **Why it matters:** Thwaites is a major contributor to potential future sea-level rise and a focal point for ice-sheet instability research. - **Why it matters for materials science:** the quakes record abrupt fracture, interface failure and damage evolution in a large natural ice body. - **Main caution:** increased seismic activity is a warning sign of active mechanical change, not proof of immediate total collapse. In short, the new study turns seismic noise into a clearer narrative about one of Antarctica's most consequential glaciers. Thwaites is not simply melting at the margins. It is cracking, calving and releasing energy in bursts that can now be counted and mapped. For climate science, that improves monitoring of a glacier with global importance. For materials science, it is a striking reminder that brittle failure, damage accumulation and interface-driven instability are not limited to the lab or the factory floor. They can reshape entire coastlines. --- Source: https://polymerjournals.com/nasa-orbiter-tracks-chinas-zhurong-rover-across-the-martian-surface/ # NASA Orbiter Tracks China’s Zhurong Rover Across the Martian Surface > NASA's Mars Reconnaissance Orbiter, or MRO, has captured a striking orbital view of China's Zhurong rover and the route it carved across the Martian landscape after landing in 2021. The image is notable for more than its novelty. It shows how modern... Canonical URL: https://polymerjournals.com/nasa-orbiter-tracks-chinas-zhurong-rover-across-the-martian-surface/ Byline: NASA Jet Propulsion Laboratory Published: 2026-04-04T21:14:50+00:00 Categories: News, Technology ![NASA Orbiter Tracks China’s Zhurong Rover Across the Martian Surface](https://polymerjournals.com/wp-content/uploads/2026/04/NASA_Orbiter_Tracks_Chinas_Zhurong_Rover_Across_the_Martian_Surface.jpg) NASA's Mars Reconnaissance Orbiter, or **MRO**, has captured a striking orbital view of China's **Zhurong rover** and the route it carved across the Martian landscape after landing in 2021. The image is notable for more than its novelty. It shows how modern planetary imaging systems can follow a working rover from hundreds of kilometers above the surface, reveal its wheel tracks and place its movements in a much larger geological setting. The scene comes from the **HiRISE** camera, a high-resolution instrument aboard MRO that has spent years documenting Mars in exceptional detail. In this case, the camera recorded Zhurong's path in **southern Utopia Planitia**, the broad plain where China's Tianwen-1 mission delivered the rover and its lander on May 14, 2021. By the time of the image described here, acquired on March 11, 2022, the rover had already traveled for about 10 months on the surface. ![Tianwen-1 Lander and Zhurong Rover in Southern Utopia Planitia shortly after landing in May 2021](https://polymerjournals.com/wp-content/uploads/2026/04/NASA_Orbiter_Tracks_Chinas_Zhurong_Rover_Across_the_Martian_Surface-1.jpg) China's space program had already released several memorable images from the mission, including a rover-and-lander "family portrait" taken by a remote wireless camera on the ground. But orbital images tell a different story. Instead of showing the vehicle itself at close range, they reveal where the rover has gone, how far it has moved and how its exploration route relates to the surrounding terrain. That broader perspective is valuable for mission analysis, geology and future planning. For readers interested in technology and advanced instrumentation, this is a useful example of how a mature orbital platform can support surface missions even when those missions belong to another space program. It is also a reminder that engineering on Mars is increasingly about systems working together: landers, rovers, relay orbiters, cameras, navigation tools and data analysis pipelines all contribute to the final scientific picture. ![The Mars 2020 descent stage holding NASA’s Perseverance rover can be seen falling through the Martian atmosphere, its parachute trailing behind, in this image taken on February 18, 2021 by the HiRISE camera on the Mars Reconnaissance Orbiter](https://polymerjournals.com/wp-content/uploads/2026/04/NASA_Orbiter_Tracks_Chinas_Zhurong_Rover_Across_the_Martian_Surface-2.jpg) ## A rover seen from orbit Zhurong arrived on Mars as part of China's **Tianwen-1** mission, which first spent roughly three months orbiting the planet before sending the lander and rover down to the surface. The landing site in Utopia Planitia was chosen because it offered broad, relatively smooth terrain and strong scientific interest. The region has long attracted attention because of its geology and because it may preserve clues to past environmental conditions. Early in the mission, HiRISE had already managed to spot the lander and rover from orbit. Those initial observations confirmed the positions of the spacecraft hardware on the ground and demonstrated once again how powerful the MRO imaging system remains many years after launch. The later image is more revealing because it captures the rover after significant travel, turning a simple "find the rover" exercise into a record of movement across the Martian surface. The latest view shows the rover's newer position as well as a clear track left behind by its wheels. Even from orbit, the route is visible as a narrow disturbance running across the dusty plain. This is one of the most compelling aspects of Mars exploration imagery: the surface may appear still and timeless, but the marks left by a rover provide direct evidence of recent human-made activity on another world. ![HiRISE image showing tracks and the most current imaged location of the Zhurong rover](https://polymerjournals.com/wp-content/uploads/2026/04/NASA_Orbiter_Tracks_Chinas_Zhurong_Rover_Across_the_Martian_Surface-3.jpg) The image above, from HiRISE, shows Zhurong's path and imaged location in southern Utopia Planitia. NASA and University of Arizona imaging teams enhanced contrast to make the tracks easier to see. Credit: NASA/JPL/UArizona. According to the [HiRISE team's mission notes](https://www.uahirise.org/hipod/ESP_073225_2055), the rover had traveled south for roughly **1.5 kilometers**, or about **1 mile**. The exact route can be traced from the wheel marks impressed into the surface. For a planetary mission, that kind of visibility is important. It allows scientists and engineers to check surface mobility, compare actual traverse paths with planned ones and study how the ground responds mechanically to rover traffic. A high-resolution version of the scene also lets viewers inspect the route in more detail. In the zoomable image released by the HiRISE team, the track stands out with surprising clarity once the eye adjusts to the scale. The feature is small, but unmistakable. The lander and associated hardware can also be found nearby, linking the rover's current position back to its original arrival point on Mars. ## What the new image reveals At first glance, this may look like a simple tracking update. In reality, the image contains several layers of information. The most obvious is the rover's current location. Beyond that, it preserves a record of its **route choice**, the degree to which the track curves or changes direction and the visual texture of the terrain the rover crossed. Even with no close-up surface camera in the frame, the orbital image says something about navigation, hazard avoidance and local surface properties. The visibility of the track also suggests that the surface carried and retained the marks well enough to remain detectable from orbit. That is scientifically useful because wheel tracks can act as informal probes of soil behavior. They may indicate how easily the top layer is disturbed, how coherent the regolith is and whether the surface is dominated by dust, crust, or more compacted material. While such conclusions require caution and supporting data, the tracks are far more than a visual curiosity. The image additionally highlights the value of repeat observations. A single frame can show a rover. Multiple frames over time show a mission unfolding. By comparing later and earlier images, researchers can reconstruct motion, monitor changes in orientation and location and create a timeline of exploration activities. This kind of orbital follow-up has become a quiet but important part of Mars operations. - **Landing date:** May 14, 2021 - **Landing region:** Southern Utopia Planitia, Mars - **Orbital image date:** March 11, 2022 - **Distance traveled:** About 1.5 kilometers - **Imaging system:** HiRISE aboard NASA's Mars Reconnaissance Orbiter The Tianwen-1 mission also included other visible hardware on the surface, such as the lander and backshell elements involved in entry, descent and landing. Those objects matter because they help analysts confirm the geometry of the landing event and understand the spatial layout of the hardware after touchdown. In some cases, orbital images of descent systems become historical records of how a mission arrived and what it left behind. ## How HiRISE can see so much from so far away MRO circles Mars at an altitude of about **316 kilometers**, or roughly **250 miles**, above the surface. From that height, HiRISE can achieve a resolution of around **0.3 meters per pixel**, close to **1 foot per pixel**. That level of detail allows it to resolve objects that are smaller than a meter across, making spacecraft hardware on the ground detectable under favorable conditions. This is why HiRISE has been able to image not just Zhurong, but also multiple other Mars missions over the years. It has observed hardware associated with **Opportunity**, **Curiosity** and **Perseverance**. In especially dramatic cases, it even captured Curiosity and Perseverance descending through the Martian atmosphere under parachutes. Those images remain among the most iconic examples of orbital timing and camera targeting in planetary exploration. HiRISE does not work like an ordinary consumer camera. It acquires data in long, thin strips rather than broad single snapshots. The detector layout includes **10 detectors** arranged in an array, giving each image strip a width of about **5 kilometers**. Two extra pairs of detectors in the central part of the system provide color information, producing a color swath about **1 kilometer** wide. That design is one reason why the images are so useful for detailed surface analysis but also why finding tiny human-made objects in them can require patience and expertise. Richard Leis of the HiRISE team noted on [social media](http://!--%20EMBED_PLACEHOLDER_8e8ec7b3-cc2a-407c-b128-ef4227e5ed21%20--) that spotting spacecraft hardware in these large image strips is not trivial. A HiRISE scene covers a broad area of terrain and the artifacts of exploration are usually tiny by comparison. Analysts must know what they are looking for, understand the local geography and often compare multiple observations before identifying an object with confidence. That challenge makes the Zhurong imagery even more impressive. It is one thing to identify a stationary lander. It is another to trace the course of a rover over time, particularly when the path is narrow, the color contrast is low and the scene includes natural surface textures that can visually compete with the rover's tracks. ## Why orbital tracking matters Orbital views of surface missions are scientifically and operationally useful for several reasons. First, they provide **context**. A rover's own cameras may show rocks, soil and nearby slopes in rich detail, but an orbiter reveals how those local observations fit into the broader landscape. This helps teams connect small-scale measurements to regional geology. Second, orbital images support **mobility analysis**. Engineers can compare the vehicle's route with maps of surface features, estimate how terrain influenced travel and identify whether the rover approached scarps, dunes, crater ejecta, or smoother plains. That can improve interpretation of on-the-ground observations and, in ongoing missions, inform future traverses. Third, orbiters create a valuable **independent record** of mission progress. Even when a rover has its own navigation data, an outside vantage point can confirm positions and reveal changes that may not be obvious from the surface. This matters for long-duration exploration and for reconstructing the history of a mission after the fact. For a technology audience, there is another lesson here: extreme-environment systems benefit from layered observation. Whether in space, heavy industry, or remote infrastructure, one platform often works best when another platform can inspect it from a distance. In that sense, the Zhurong images are a planetary-scale example of remote monitoring, precision imaging and cross-platform verification. ## An international and technical milestone The imagery also carries a broader significance beyond one rover track. It shows how Mars exploration has become a more international undertaking. China's Tianwen-1 mission marked a major milestone, placing both an orbiter and a successful rover at Mars. NASA's MRO, meanwhile, served as a witness in orbit, documenting the mission from above. The result is a layered record built from assets belonging to different national programs but focused on the same planetary environment. That shared observational landscape benefits science. Public release of orbital and surface imagery gives researchers, educators and the wider public more ways to understand what is happening on Mars. Surface images offer intimacy and immediacy. Orbital images offer scale and context. Together, they create a far more complete view of exploration than either one could provide alone. There is also a subtle engineering story in the image. A rover that can travel more than a kilometer across another planet is not only a triumph of software and control systems. It is a test of wheels, chassis components, electronics, thermal systems, dust tolerance and the reliability of every material in the vehicle. The fact that those movements can be read later from orbit adds a kind of audit trail to the mission's mechanical performance. For industries that care about advanced materials and harsh-environment technology, this is familiar territory. Mars rovers are built to survive abrasion, thermal cycling, radiation exposure and persistent dust. Orbital imaging does not measure every one of those effects directly, but it can show whether the vehicle is still moving, how it interacts with the surface and whether the broader mission architecture is functioning as intended. ## More than a photograph The latest HiRISE view of Zhurong is easy to appreciate as a beautiful and unusual image. Yet its deeper value lies in what it demonstrates about planetary observation. A camera orbiting hundreds of kilometers above Mars can identify a rover, trace where it has driven and add that information to a long-running record of robotic exploration on the planet. It also reinforces the extraordinary longevity and scientific return of the Mars Reconnaissance Orbiter. Long after its arrival at Mars, MRO continues to support new missions and produce data that remain relevant to scientists, engineers and mission planners. Instruments like HiRISE become more valuable over time because they accumulate not just images, but historical continuity. They let us revisit landing sites, compare changes and watch activity unfold over months and years. In the case of Zhurong, that continuity turned a distant rover into a visible traveler with a mapped route and a documented presence in Utopia Planitia. The image shows that exploration on Mars is no longer represented only by isolated snapshots. It can be followed, measured and interpreted as an ongoing process. Readers who want to explore the release in more detail can visit the [HiRISE post describing the image](https://www.uahirise.org/hipod/ESP_073225_2055), inspect the [high-resolution crop of the rover track](https://static.uahirise.org/images/2022/details/cut/ESP_073225_2055-cut-2.jpg), or compare this orbital perspective with surface images discussed by [Universe Today](https://www.universetoday.com/). Together, those resources show how a small rover on a distant plain can still leave a visible mark - one that an orbiter can read from space with remarkable precision. --- Source: https://polymerjournals.com/how-nasa-put-the-worm-back-on-artemis-i/ # How NASA Put the “Worm” Back on Artemis I > When NASA prepared the first Artemis mission, the agency was doing more than assembling a heavy-lift rocket and a deep-space capsule. It was also making a statement about identity, continuity and the materials engineering behind flight-ready surfaces. The return of NASA's red... Canonical URL: https://polymerjournals.com/how-nasa-put-the-worm-back-on-artemis-i/ Byline: NASA Published: 2026-04-04T19:07:21+00:00 Updated: 2026-04-04T20:33:44+00:00 Categories: News, Technology ![How NASA Put the “Worm” Back on Artemis I](https://polymerjournals.com/wp-content/uploads/2026/04/How_NASA_Put_the_Worm_Back_on_Artemis_I.jpg) When NASA prepared the first Artemis mission, the agency was doing more than assembling a heavy-lift rocket and a deep-space capsule. It was also making a statement about identity, continuity and the materials engineering behind flight-ready surfaces. The return of NASA's red "worm" logotype to the Space Launch System, or SLS and the Orion spacecraft was presented publicly as a design milestone, but it also offered a revealing look at how coatings, decals, masking methods and surface finishing are handled on modern aerospace hardware. The story came from NASA's Kennedy Space Center during Artemis I processing, when teams applied the historic logo to visible parts of the rocket and spacecraft. For many spaceflight followers, the visual change was nostalgic. For engineers and technicians, it was a precise industrial task. The logo had to be sized correctly, placed accurately on curved hardware, finished cleanly and made durable enough to survive processing, launch exposure and mission operations. ![Illustration of the NASA logotype, or “worm” logo, and ESA logo are seen on the Orion spacecraft in space near the Moon on the Artemis I mission](https://polymerjournals.com/wp-content/uploads/2026/04/How_NASA_Put_the_Worm_Back_on_Artemis_I-2.jpg) That combination of branding and function makes the episode unusually relevant for readers interested in materials and industrial technology. Even a simple graphic on a launch vehicle involves surface preparation, paint selection, geometry control, adhesive performance and environmental durability. In other words, it is a finishing problem and finishing problems in aerospace are rarely trivial. https://www.youtube.com/watch?v=tAEu6EisxGQ ## A classic NASA mark returns on flight hardware The "worm" logo, with its continuous red lettering, was first introduced in 1975 and became strongly associated with NASA's modernist visual identity. It was retired in 1992, while the better-known blue "meatball" insignia remained in wider use. NASA brought the worm back in 2020 as the agency entered a new era of lunar exploration under [the Artemis program](https://www.nasa.gov/artemis/). ![Illustration of SLS rocket and Orion spacecraft on the mobile launcher for Artemis I](https://polymerjournals.com/wp-content/uploads/2026/04/How_NASA_Put_the_Worm_Back_on_Artemis_I-3.jpg) For Artemis I, NASA decided the logo should appear not just in press graphics or promotional material, but directly on the hardware. Teams at Kennedy placed the worm on the twin solid rocket boosters of the SLS and also on Orion, the spacecraft designed to travel around the Moon and return to Earth. The result linked a recognizable design element from NASA's late-20th-century history with a vehicle intended to open a new period of human exploration beyond low Earth orbit. Richard Danne, of Danne & Blackburn, the team that originally created the logo, said the return of the mark on Artemis hardware was especially meaningful because it was tied to an ambitious new mission. That reaction is understandable, but the technical side of the project is equally worth attention. A bright red logotype may look simple in photographs. On a launch system, it has to be executed with the same care given to any exposed external surface. ![Illustration of SLS rocket and Orion spacecraft on the mobile launcher for Artemis I](https://polymerjournals.com/wp-content/uploads/2026/04/How_NASA_Put_the_Worm_Back_on_Artemis_I-1.jpg) The boosters were especially prominent. NASA said the worm would be visible while the hardware was stacked in the Vehicle Assembly Building, while the rocket stood on the mobile launcher and at the pad and again as the vehicle ascended through Earth's atmosphere. Visibility from long-range cameras and broadcast imagery clearly mattered. So did the ability of the finish to remain intact and legible during prelaunch handling. ![The NASA logotype, or “worm” logo, is seen on a booster segment of the Space Launch System rocket that will fly on Artemis I](https://polymerjournals.com/wp-content/uploads/2026/04/How_NASA_Put_the_Worm_Back_on_Artemis_I-4.jpg) The same design logic extended to Orion. NASA and European Space Agency markings were applied to the underside of Orion's crew module adapter, a location selected so cameras mounted near the ends of the spacecraft's solar arrays could capture the graphics during the trip to the Moon and back. That is an elegant reminder that external markings today serve not only people on the ground but also onboard imaging systems, documentation teams and public outreach efforts throughout a mission. ## Painting the SLS boosters was a geometry and process challenge NASA said the worm began appearing on the SLS solid rocket boosters in late August, when workers from Exploration Ground Systems and contractor Jacobs started painting the design across two booster segments. The approach was not a rough stencil job. Instead, the team used a laser projector to lay out the logo so they could mask it accurately with tape before painting. That detail is important. On large, curved aerospace structures, positioning a graphic by eye can introduce errors in scale, angle and line quality. A logotype that looks balanced on a flat drawing can distort noticeably when transferred to cylindrical hardware. Laser projection allowed the team to establish the correct dimensions and alignment directly on the surface, improving both precision and repeatability. After masking, technicians applied a first coat of paint inside Kennedy's Rotation, Processing and Surge Facility. NASA then said the finish was completed with a second coat followed by multiple clear coats on the booster. Even without a published formulation, that sequence tells a familiar industrial story. The color layer establishes the graphic, while the clear layers protect it and help maintain visual integrity during handling and exposure. William Richards, an engineer with Jacobs supporting booster stacking operations, described the hardest part as identifying the correct size and location for the logo. He specifically noted that the new laser technology helped the team shape the letters properly, especially the curve of the "S." That comment may sound minor, but it illustrates how aesthetic precision and engineering practice meet on real hardware. A distorted curve would not threaten the mission, but it would undermine the visual intent of the mark and reveal process limitations immediately in photography. From a materials perspective, the booster application highlights several common considerations in aerospace finishing: - **Surface conformity:** the graphic had to sit correctly on a large curved segment. - **Layer build:** base color and clear coats had to produce a durable, uniform finish. - **Handling tolerance:** the painted area had to survive transport, stacking and prelaunch operations. - **Environmental exposure:** the finish needed to remain stable under Florida humidity, outdoor pad conditions and ascent loads. NASA did not provide chemistry details for the paint or clear-coat system, so it would be wrong to speculate about exact polymer types or resin families. Still, the function is easy to recognize. Aerospace topcoats and protective clears are chosen not only for color and gloss but also for adhesion, weather resistance, abrasion tolerance and compatibility with the underlying substrate and processing schedule. Another telling detail is that an access panel would later be secured across the middle section of the boosters and painted to complete the insignia after transfer to the Vehicle Assembly Building. That means the logo was effectively engineered across assembly boundaries. It was not just dropped onto a finished article. The visual system had to be coordinated with the booster's segmented architecture and the practical sequence of integration work. ## Why NASA used decals on Orion instead of paint On Orion, NASA took a different route. Rather than painting the logos directly onto the spacecraft in the same way, technicians cut the NASA and ESA emblems into what the agency described as flight-proof decals and adhered them to the underside of the crew module adapter. This was not simply a cosmetic variation. It suggests a design choice based on surface geometry, access, schedule and the performance needs of that location. Decals can offer advantages where clean edge definition is critical, where localized placement is needed late in processing, or where direct painting is less convenient for surrounding systems and interfaces. A well-designed aerospace decal still represents a serious materials challenge. The film and adhesive system must remain attached through handling, vibration, changing temperatures and prolonged exposure in space. It must also avoid peeling, bubbling, or contaminating nearby hardware. For polymer and coatings readers, this is where the story becomes especially interesting. A "flight-proof" decal is not a simple sticker. It is better understood as an engineered laminated marking system. Such systems generally depend on a controlled film construction, a stable adhesive layer and a carefully prepared surface. Even minor edge lift could become unacceptable in aerospace use, particularly on a spacecraft expected to operate for weeks beyond Earth orbit. The placement on Orion also reflected mission imaging strategy. ESA is providing Orion's service module, the component that supplies power and propulsion during most of the trip. By placing the NASA worm and ESA logo where cameras on the solar arrays could see them, the teams ensured that the international partnership would be visually present throughout the mission, not only at launch. NASA said technician Frank Pelkey, who had previously painted the U.S. flag on the spacecraft that flew Exploration Flight Test-1, affixed the decals to the Artemis I vehicle. His role underlines how much these applications depend on highly skilled hands, even when the materials themselves are advanced. Precision finishing often combines digital layout tools and engineered products with technician judgment built from experience. ## Graphics on spacecraft have to survive very different environments The worm logo's return also illustrates a broader point: external graphics on space hardware experience sharply different environments at different mission stages. A painted booster segment at Kennedy must withstand indoor processing, outdoor transport, pad weathering and the mechanical and thermal stresses associated with launch. A decal on Orion's adapter must tolerate not only launch but also vacuum, radiation exposure and thermal cycling in deep space. That does not mean every logo on a spacecraft is exposed to the harshest possible conditions all the time. Placement matters. The Artemis I graphics were located on visible structural surfaces, not on heat-shield regions or the most extreme thermal protection areas. Still, their survival is not automatic. The coatings and decals had to remain functional and visually coherent in environments far more demanding than those seen by ordinary industrial labeling systems. NASA's plan extended beyond the first set of applications. The agency said additional graphics would later be added to the crew module, including an American flag and the blue "meatball" insignia, as well as another worm decal on the outer band of the crew module adapter. ESA and NASA markings were also slated for fairings covering the service module, with U.S. identifiers on other launch elements. In practical terms, Artemis I became a carefully coordinated external graphics program spread across multiple assemblies and processing milestones. That is a useful reminder that aerospace finishing is often distributed work. Different markings may be painted or applied in different facilities, by different teams and at different times, depending on when the underlying hardware becomes accessible. The finished visual result may appear unified, but achieving that unity requires detailed documentation and process control. ## An industrial case study hiding inside a public-relations moment At first glance, NASA's announcement was about design heritage and public excitement ahead of Artemis I. But looked at through an industrial-science lens, it becomes a compact case study in applied surface technology. The booster work involved digital positioning, masking, multi-layer paint application and protective overcoating on large aerospace structures. The Orion work involved precision-cut decals engineered for flight use and installed on a spacecraft component in a way that preserved both appearance and performance. In both cases, the markings were not merely decorative afterthoughts. They were integrated into the mission's visibility strategy and applied through processes compatible with strict flight-hardware controls. The broader Artemis system also added another layer of complexity. Northrop Grumman delivered the Artemis I booster motors to Kennedy for assembly of the five-segment boosters, while NASA and Jacobs handled key ground-processing work and ESA supplied Orion's service module. That means the external graphics effort sat within a multi-organization manufacturing and integration chain. Even something as familiar as a logo has to fit the realities of contractor interfaces, schedule constraints and configuration control. For materials professionals, a few takeaways stand out: - **Visual elements on advanced hardware are still materials systems.** Paints, clear coats, films and adhesives all carry performance requirements. - **Application method matters as much as formulation.** Laser projection, masking quality and installer skill all affect the final result. - **Surface design can serve operational goals.** The locations chosen for the Artemis logos were tied to camera views, not just aesthetics. - **Durability must match mission phase.** Launch-vehicle graphics and spacecraft graphics may need different material strategies. ## More than nostalgia NASA's worm logo carries emotional weight for many people, but its return on Artemis I was also a small demonstration of how modern aerospace programs handle the visible outer layer of their hardware. Rockets and spacecraft are often discussed in terms of propulsion, structures, avionics and mission design. Yet the external surface is where engineering meets the public eye. It is also where coatings science, polymer films, adhesives and finishing practice become immediately visible. That is why this seemingly simple branding story resonates beyond design culture. The same industrial disciplines used to protect aircraft, satellites and launch systems also make it possible to place durable, accurate, camera-ready markings on vehicles headed for the Moon. In Artemis I, NASA used those disciplines to connect a new exploration architecture with a familiar visual identity. The result was memorable for spectators, but it was built on careful process work by engineers and technicians. The worm's return did not happen because someone wanted a retro look. It happened because teams could translate that look into a reliable, flight-compatible surface treatment across very different pieces of space hardware. In that sense, Artemis I offered a concise lesson for anyone interested in advanced materials and industrial finishing: even the most iconic design on a rocket is only as good as the paint system, the decal technology, the placement method and the people who apply it. --- Source: https://polymerjournals.com/euclids-first-deep-field-images-open-a-new-window-on-the-dark-universe/ # Euclid’s First Deep-Field Images Open a New Window on the Dark Universe > The European Space Agency's Euclid mission has delivered its first look at the telescope's three deep fields, offering an early but powerful preview of a survey designed to answer some of the biggest questions in modern cosmology. The release is not simply... Canonical URL: https://polymerjournals.com/euclids-first-deep-field-images-open-a-new-window-on-the-dark-universe/ Byline: European Space Agency Published: 2026-04-04T19:07:17+00:00 Updated: 2026-04-04T20:30:07+00:00 Categories: News, Technology ![Euclid’s First Deep-Field Images Open a New Window on the Dark Universe](https://polymerjournals.com/wp-content/uploads/2026/04/space_telescope_galaxies-1-scaled.jpg) The European Space Agency's Euclid mission has delivered its first look at the telescope's three deep fields, offering an early but powerful preview of a survey designed to answer some of the biggest questions in modern cosmology. The release is not simply a gallery of striking images. It is the opening phase of a long, data-rich experiment to map how matter is distributed across the Universe and how cosmic expansion has changed over billions of years. Euclid launched in July 2023 with a clear scientific goal: to investigate the invisible framework of the cosmos. Astronomers often call this the *dark Universe*, a phrase that refers to dark matter and dark energy, which together appear to dominate the contents and behavior of the cosmos while remaining poorly understood. Dark matter cannot be seen directly, but its gravity shapes galaxies and clusters. Dark energy is the name given to the phenomenon driving the accelerating expansion of the Universe. ![The three yellow regions are Euclid's deep fields, and the large blue region is its wide field. Other regions are avoided because they are dominated by Milky Way stars and interstellar matter or by diffuse dust in the Solar System – the so-called zodiacal light](https://polymerjournals.com/wp-content/uploads/2026/04/Euclids_First_Deep-Field_Images_Open_a_New_Window_on_the_Dark_Universe-2.jpg) To study those hidden ingredients, Euclid is undertaking a massive sky survey. Over the course of the mission, it is expected to image billions of galaxies stretching back as far as 10 billion light-years and beyond, covering more than one-third of the sky. The first deep-field release shows the mission beginning that task in earnest. The newly released data come from the first scans of three carefully selected deep-field regions. These patches of sky will be observed repeatedly throughout Euclid's mission, allowing scientists to build extremely deep, highly detailed views of distant galaxies and the large-scale cosmic web that connects them. Even from just one early pass through each region, Euclid has already revealed an enormous population of galaxies, gravitational lenses, galaxy clusters and a wide range of galactic shapes and structures. ![This is a zoomed-in portion of Euclid's image of its Deep Field South at 70x. It's swarming with galaxies, and Euclid has already found more than 11 million in the field. A gravitational lens is also visible in the center](https://polymerjournals.com/wp-content/uploads/2026/04/Euclids_First_Deep-Field_Images_Open_a_New_Window_on_the_Dark_Universe-4.jpg) ![The Horsehead Nebula in Orion was one of the Euclid Space Telescope's first images and showed off the telescope's power](https://polymerjournals.com/wp-content/uploads/2026/04/Euclids_First_Deep-Field_Images_Open_a_New_Window_on_the_Dark_Universe-3.jpg) ESA says Euclid used roughly one week of observing time to scan each deep field once. That limited first effort was enough to detect about 26 million galaxies, with the most distant seen in this release lying around 10.5 billion light-years away. That number alone gives a sense of the scale involved. Yet it represents only the very beginning of the mission: ESA notes that these galaxies amount to just about 0.4% of the total number of similarly resolved galaxies Euclid is expected to record over its lifetime. ## Why deep fields matter Deep-field astronomy has a long record of changing how people think about the cosmos. The Hubble Space Telescope's deep fields famously showed that apparently empty regions of space are crowded with galaxies when observed with sufficient sensitivity and time. Euclid is now extending that idea with a different emphasis. Instead of only pushing toward visually dramatic depth, it is combining depth, area and statistical power on a scale suited to precision cosmology. ![This is a zoomed-in portion of Euclid's image of its Deep Field South at 70x. It's swarming with galaxies, and Euclid has already found more than 11 million in the field. A gravitational lens is also visible in the center](https://polymerjournals.com/wp-content/uploads/2026/04/Euclids_First_Deep-Field_Images_Open_a_New_Window_on_the_Dark_Universe.jpg) The mission's deep fields are essential because they will be revisited many times, building a layered dataset that improves both image quality and scientific confidence. Repeated observations help astronomers detect faint objects, refine galaxy shapes, measure distances more accurately and identify subtle effects caused by gravity bending light. Those effects are central to Euclid's purpose. Dark matter leaves no direct glow for a telescope to photograph. Instead, astronomers infer its presence through its gravitational influence. One of the most useful clues is **gravitational lensing**, in which massive objects such as galaxies or galaxy clusters distort the light from more distant background galaxies. By measuring those distortions across enormous numbers of galaxies, researchers can map where matter, including dark matter, is concentrated. ![A zoom-in of the Deep Field North shows the Cat's Eye Nebula. The dot in the center is the star, surrounded by loops of gas and dust previously ejected by the star. The background is populated by millions of galaxies](https://polymerjournals.com/wp-content/uploads/2026/04/Euclids_First_Deep-Field_Images_Open_a_New_Window_on_the_Dark_Universe-1.jpg) That is why Euclid's deep fields are so valuable. They are not merely pretty sky images. They are precisely calibrated maps from which the geometry of the Universe can be extracted. Tiny shape changes in distant galaxies, when measured across millions or eventually billions of objects, can reveal how matter is distributed and how cosmic structure has grown over time. ## A telescope built for survey science Euclid is not designed like a traditional observatory that spends much of its time examining one target after another in detail. It is built as a survey machine. Its strength lies in combining large sky coverage with high image quality and careful measurement of both visible and near-infrared light. The spacecraft carries two main scientific instruments. The first is VIS, a visible-light imaging camera that captures the sharp galaxy shapes needed for weak gravitational lensing studies. The second is NISP, the near-infrared spectrometer and photometer, which helps determine galaxy distances and properties. Together, these instruments allow astronomers to connect where galaxies appear on the sky with how far away they are and how massive the structures around them may be. This combination is crucial. A two-dimensional picture of the sky is useful, but Euclid's science depends on turning that picture into a three-dimensional map. Distances let researchers reconstruct the cosmic web, the vast network of filaments and nodes made of ordinary matter and dark matter, along which galaxies and galaxy clusters assemble. Once that web is mapped across cosmic time, scientists can compare the observed pattern with theoretical models of how the Universe evolved. The mission also benefits from an unusually large data stream. Euclid's imaging system is designed to collect enormous, high-resolution datasets that can be stitched together into panoramic maps of the sky. That makes the mission as much a triumph of data processing and survey engineering as of optics and spacecraft design. ## What the first release shows The first deep-field data release already contains several layers of scientific value. At the most basic level, it confirms that Euclid is performing as intended. The images show crowded fields teeming with galaxies, from nearby systems with clear internal structure to much more distant smudges whose light has traveled for billions of years. In some views, foreground objects within our own galaxy appear alongside a background so dense with external galaxies that the scale of the survey becomes immediately apparent. More importantly, the release demonstrates Euclid's ability to uncover rare but highly informative phenomena. ESA also published a catalogue of 500 strong gravitational lenses, almost all of them previously unknown. Strong lenses occur when a massive foreground object produces dramatic arcs, rings, or multiple images of a background galaxy. These systems are valuable because they allow especially direct measurements of mass distribution and can probe both galaxy evolution and cosmology. The process used to find these lenses is also notable. According to ESA, the candidates were identified through a combination of artificial intelligence, follow-up examination by citizen scientists and final expert vetting and modelling. That workflow reflects a growing reality in astronomy: modern surveys are producing more data than experts alone can classify quickly. Automated tools are now essential, but they are often strongest when combined with human pattern recognition and scientific oversight. The mission's early scans have also identified galaxy clusters and a wide variety of galaxy morphologies. That matters because Euclid is not only a dark-matter mission. Its archive will become a major resource for studying how galaxies form and change. Researchers will be able to look at galaxies "from inside to out," linking internal structure with the surrounding environment. Over time, the mission should provide a morphology catalogue at least an order of magnitude larger than any previous dataset of comparable quality. ## A first step toward understanding dark matter and dark energy Euclid's long-term importance lies in its ability to connect galaxy shapes, galaxy positions and galaxy distances over enormous volumes of space. That is the observational basis for testing ideas about dark matter and dark energy. Dark matter appears to provide much of the gravitational scaffolding that allowed galaxies and clusters to form. Without it, the structure seen in the Universe today is difficult to explain. Dark energy, meanwhile, enters the picture through cosmic expansion. Observations over the past few decades have shown that the expansion of the Universe is accelerating, not slowing down. The cause remains one of the deepest puzzles in physics. Euclid will not "see" dark energy directly and it will not isolate dark matter in a laboratory sense. Instead, it will constrain theories by measuring the history of structure formation and expansion with high precision. If dark energy has behaved consistently over time, or if gravity operates differently on large scales than current models assume, the pattern should be imprinted in the survey data. That is why the current release should be viewed as foundational rather than final. ESA and members of the Euclid Consortium have emphasized that the full scientific power of the mission will only emerge once the entire survey is complete. Even so, the first release already offers a meaningful look at the large-scale organization of galaxies and the kinds of measurements Euclid will make increasingly well as its data accumulate. ## How Euclid compares with earlier mapping missions There are useful parallels between Euclid and ESA's Gaia mission, though the targets are very different. Gaia has transformed astronomy by making an ultra-precise map of more than two billion stars and other objects in the Milky Way. That dataset has become a core reference for studies of stellar motion, galactic history and even small Solar System bodies. Euclid is positioned to play a similar role beyond the Milky Way. Instead of providing a foundational map of our home galaxy, it aims to create a foundational map of the large-scale extragalactic Universe. Once such a dataset exists, scientists will use it for far more than the mission's headline goals. The archive should support work on galaxy evolution, cluster physics, gravitational lensing, rare-object discovery and the statistical properties of cosmic structure across time. That broader impact may prove just as important as the mission's direct cosmology results. Large public surveys often change science not only by answering planned questions, but by making new questions possible. Hubble's deep fields, Sloan Digital Sky Survey maps and Gaia catalogues all became enabling infrastructure. Euclid appears likely to join that group. ## The role of data science in modern astronomy The scale of the Euclid mission also highlights a wider shift in scientific practice. Modern astronomy increasingly depends on the integration of precision instruments, advanced pipelines, machine learning, cloud-scale storage and large collaborative networks. Euclid's first deep-field release is a reminder that observing the Universe now involves not just taking images, but building systems capable of extracting reliable meaning from immense data volumes. The gravitational lens catalogue is a clear example. A survey covering such large areas at high resolution will produce more candidate features than experts can inspect one by one in a traditional way. AI systems can rapidly flag promising cases, but those systems still need careful validation. Citizen science adds another layer, enabling many eyes to search for unusual features, while professional astronomers provide modelling and confirmation. In practice, discovery becomes a pipeline. This approach is especially important for Euclid because subtle measurement errors could affect conclusions about dark matter and dark energy. Mapping faint distortions in galaxy shapes demands rigorous calibration and statistical care. The mission's success therefore depends as much on data quality and analysis frameworks as on the telescope hardware itself. ## What comes next Euclid's mission is scheduled to run through 2030 and the deep fields will be scanned dozens of times over that period. Each new pass will deepen the images and improve the resulting measurements. Features that are only suggestive in the current release may become robust scientific tools in later datasets. The same is true for rare phenomena such as strong lenses, unusual galaxy mergers and distant clusters that become easier to characterize as observations accumulate. Future data releases should also sharpen the statistical power of the mission. A single image can inspire, but cosmology depends on patterns across very large samples. Euclid is being built up, release by release, into a machine for measuring those patterns. The early result is a glimpse; the completed survey should be a map. For now, the first deep-field images demonstrate that the telescope is delivering the kind of rich, high-density extragalactic view astronomers hoped for. They show a sky filled with galaxies at every scale and distance. They confirm Euclid's ability to uncover new gravitational lenses. And they mark the beginning of a long campaign to chart the structure of the Universe with unprecedented breadth and depth. ESA's message is straightforward: this is only the start. The 26 million galaxies in the current release are impressive on their own, but they are a tiny fraction of what Euclid is expected to capture before the mission ends. As the survey grows, so too will its value for testing cosmological models and for understanding how galaxies evolved within the cosmic web. In that sense, Euclid's first deep fields are both a scientific result and a promise. They do not yet solve the mystery of the dark Universe. But they show that the observational machinery needed to make real progress is now in place. ## Key figures from the first Euclid deep-field release - **Mission operator:** European Space Agency, with the Euclid Consortium and international partners. - **Launch:** July 2023. - **Main goal:** Investigate dark matter, dark energy and the growth of cosmic structure. - **Survey scope:** More than one-third of the sky over the mission lifetime. - **First deep-field sample:** Three deep fields scanned once in an initial release. - **Galaxies already identified:** About 26 million. - **Most distant galaxies in this release:** Roughly 10.5 billion light-years away. - **Strong gravitational lenses catalogued:** 500, with most previously unknown. - **Mission duration:** Planned through 2030. - **Fraction of expected lifetime galaxy total represented so far:** Around 0.4%. More information on the mission and its data releases is available from the [European Space Agency](https://www.esa.int/Science_Exploration/Space_Science/Euclid/Euclid_opens_data_treasure_trove_offers_glimpse_of_deep_fields). Background on deep-field astronomy can be found via [NASA's Hubble resources](https://science.nasa.gov/mission/hubble/science/universe-uncovered/hubble-deep-fields/) and an overview of the cosmic web is available from [NASA](https://science.nasa.gov/resource/cosmic-web/). --- Source: https://polymerjournals.com/artemis-ii-conditions-look-promising-as-nasa-prepares-its-first-crewed-moon-flight-in-more-than-50-years/ # Artemis II Conditions Look Promising as NASA Prepares Its First Crewed Moon Flight in More Than 50 Years > NASA is moving toward a major milestone in human spaceflight as conditions for the Artemis II launch look increasingly favorable. After weeks of technical setbacks involving fuel leaks and other launch-pad issues, the agency reported a clean countdown on the eve of... Canonical URL: https://polymerjournals.com/artemis-ii-conditions-look-promising-as-nasa-prepares-its-first-crewed-moon-flight-in-more-than-50-years/ Byline: NASA Published: 2026-04-01T20:06:52+00:00 Categories: News, Technology ![Artemis II Conditions Look Promising as NASA Prepares Its First Crewed Moon Flight in More Than 50 Years](https://polymerjournals.com/wp-content/uploads/2026/04/Artemis_II_Conditions_Look_Promising_as_NASA_Prepares_Its_First_Crewed_Moon_Flight_in_More_Than.jpg) NASA is moving toward a major milestone in human spaceflight as conditions for the Artemis II launch look increasingly favorable. After weeks of technical setbacks involving fuel leaks and other launch-pad issues, the agency reported a clean countdown on the eve of what would be the first crewed trip to the Moon in more than half a century. The mission is historic not only because it would send astronauts back toward the Moon, but because it will test the systems needed for future deep-space travel. Four astronauts, three from the United States and one from Canada, are scheduled to ride the Space Launch System rocket around the Moon and back without landing. If successful, Artemis II will be the farthest humans have traveled from Earth in a crewed spacecraft since Apollo 17 in 1972. At NASA's Kennedy Space Center in Florida, the launch team said the rocket was behaving well on the pad and that weather conditions were trending positive. Forecasters gave the launch window an 80% chance of favorable weather, an encouraging sign after a string of delays tied to the complex fueling and ground-support systems required for the mission. "Everybody's pretty excited and understands the significance of this launch," said senior test director Jeff Spaulding, reflecting the mood at the center as teams prepared for the next phase of the countdown. ![NASA astronauts (left to right) Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, pictured at NASA's Kennedy Space Center in Florida ahead of the launch](https://polymerjournals.com/wp-content/uploads/2026/04/Artemis_II_Conditions_Look_Promising_as_NASA_Prepares_Its_First_Crewed_Moon_Flight_in_More_Than-1.jpg) ## A mission designed to prove systems before the next step Artemis II is not a landing mission. Instead, it is a demanding test flight that will send the crew on a loop around the Moon and return them safely to Earth. That profile makes the mission both safer and strategically important. NASA needs to prove the rocket, spacecraft, life-support systems, communications, navigation and recovery operations before sending astronauts to the lunar surface later in the Artemis program. The spacecraft will be launched atop the Space Launch System, a 32-story rocket built to deliver heavy payloads and crew beyond low Earth orbit. For a mission like this, even seemingly small issues can have major consequences. Cryogenic fuels, ultra-cold helium plumbing and tightly timed countdown procedures all have to work together with high precision. That is why the recent setbacks drew so much attention. Hydrogen fuel leaks forced one launch date change, while clogged helium lines pushed the schedule again. NASA only has a limited number of launch opportunities each month because of orbital mechanics, crew safety rules and the need to align the spacecraft's trajectory with the Moon's position. Now, with those issues believed to be fixed, the launch team plans to begin fueling the rocket on Wednesday morning for an evening liftoff. For mission planners, a clean fueling operation would be a strong sign that the vehicle and ground systems are ready for flight. ## The crew and the significance of the flight The Artemis II crew includes NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen. Their assignment reflects both the international nature of the Artemis program and the broader goal of building a sustained human presence in deep space. This flight will also be closely watched because of what it represents for human exploration. Artemis II is not just about returning to the Moon as a destination. It is about developing a new operational model for long-duration missions beyond Earth orbit, where spacecraft must carry their own life support, radiation protection, guidance capability and emergency margins. Unlike the Apollo missions, which were designed for short visits and intense racing pressure, Artemis is intended to become a long-term architecture. The Moon is being treated as a proving ground for future missions to Mars and other deep-space destinations. In that sense, Artemis II is both a destination flight and a systems engineering test. The astronauts will become the first lunar visitors since Apollo 17, but their journey will look different from the lunar landings of the past. They will not touch down on the surface or enter lunar orbit. Instead, they will use the Moon's gravity to swing around it and come home, demonstrating that the spacecraft can support crewed travel in deep space for the duration of the mission. ## Why the recent delays matter technically The launch delays were not surprising to engineers familiar with cryogenic propulsion and integrated launch systems. Hydrogen is an exceptionally efficient rocket fuel, but it is also difficult to handle because it is extremely cold, leaks easily and requires very tight sealing and monitoring. Helium is used in support systems and tank pressurization and clogged lines can interrupt critical prelaunch operations. In a mission like Artemis II, ground systems matter nearly as much as the spacecraft itself. The rocket depends on a chain of pumps, valves, seals, sensors and countdown logic that must all work together under demanding thermal and pressure conditions. If one part of the system behaves unexpectedly, launch managers often have no choice but to stand down and investigate. That caution is not a weakness; it is how human spaceflight protects crews. Every delay gives engineers another chance to confirm that the vehicle is behaving as expected. For a mission carrying astronauts beyond Earth orbit, the margin for error must be extremely small. The recent progress suggests that the launch team has isolated the problems and restored confidence in the hardware. A successful fueling test would be especially important because it exercises many of the systems that proved troublesome earlier in the campaign. ## What the crew will experience in space Artemis II will provide NASA with valuable crewed-flight data in a deep-space environment. The astronauts will experience a launch aboard one of the most powerful rockets ever built, then travel farther from Earth than any human crew has gone in generations. Along the way, they will evaluate the spacecraft's behavior under conditions that cannot be replicated in low Earth orbit. Among the most important areas of study are guidance, navigation, environmental control, communication latency and crew health in a radiation-rich environment. Deep space exposes astronauts to risks that are less severe in Earth orbit, including higher doses of cosmic radiation and longer communication delays. These factors make real flight testing essential. The mission will also show how well the Orion spacecraft supports its crew during a long journey. Cabin systems must maintain temperature, pressure, air quality and water management while the spacecraft is far from rapid rescue options. Any issue that seems manageable near Earth becomes much more serious when the vehicle is headed around the Moon. ## Why the launch window is so narrow NASA's launch opportunities are constrained by orbital mechanics and mission design. The Moon is always moving relative to Earth and the trajectory needed to send a crew around it and bring them home safely must be timed with precision. That is why the agency has only a handful of days each month in which a launch is practical. These windows also reflect operational realities on the ground. Weather, lightning risk, wind and technical readiness all play a role. A launch team may be ready in principle, but if the atmosphere or the rocket systems are not within strict limits, the countdown must stop. For Artemis II, the combination of improving weather and a trouble-free pad status gave the team a strong reason for optimism. In the world of launch operations, that combination is often the difference between another delay and a successful departure. ## What comes next if launch proceeds If the mission launches on schedule, the next major step will be ascent and verification of all major flight systems. Early in the mission, NASA will watch how the rocket and spacecraft perform under the stress of launch, stage separation and the transition into deep space. After that, the crew will begin the long outbound journey toward the Moon. Because the mission is intended to validate systems rather than perform a landing, its success will be measured in careful engineering terms. Did the rocket provide the expected trajectory? Did the spacecraft maintain stable conditions for the crew? Did communications, power and thermal control function as designed? Did the astronauts and ground controllers complete key checks without surprises? Those answers will help determine how quickly NASA can move toward the next phase of Artemis, which is designed to send astronauts to the lunar surface later in the program. In that broader plan, Artemis II is a critical bridge between uncrewed testing and sustained lunar exploration. ## Why this matters beyond NASA The mission is also important for the wider technology and industrial ecosystem that supports spaceflight. Artemis depends on large-scale manufacturing, precision systems integration, advanced materials, telemetry, robotics and safety engineering. A mission of this complexity requires coordination across many disciplines and many organizations. That makes Artemis II a useful reminder that space exploration is not only a scientific endeavor but also a test of industrial capability. The rocket, capsule, launch infrastructure and recovery systems all depend on decades of engineering progress. Every countdown rehearsal and pad check captures lessons that can influence future spacecraft design, launch reliability and mission planning. For the public, the appeal is straightforward: a crew is about to travel around the Moon for the first time in a generation. For engineers, the meaning is even deeper. This is a proof of architecture mission, one that could shape how humans move beyond Earth for years to come. ## Key points from the Artemis II countdown - NASA reported a trouble-free countdown after earlier delays tied to fuel leaks and helium line problems. - Weather forecasts gave the launch an 80% chance of favorable conditions. - The mission will send four astronauts around the Moon and back without landing. - It will be the first crewed lunar mission since Apollo 17 in 1972. - The Space Launch System rocket is scheduled to be fueled ahead of the planned evening liftoff. - Artemis II is a major systems test for future crewed lunar landings and deep-space missions. For NASA, the next few hours and days are about precision, patience and execution. For the astronauts, they are about preparing to undertake one of the most symbolic journeys in modern exploration. If the launch proceeds as planned, Artemis II will mark the beginning of a new chapter in human lunar travel. And for spaceflight watchers around the world, the message is simple: the Moon is once again within reach. --- Source: https://polymerjournals.com/enzymatic-pet-recycling-moves-closer-to-full-scale-industry/ # Enzymatic PET recycling moves closer to full-scale industry > One of the most closely watched ideas in plastics recycling is no longer just a laboratory story. Carbios, the French company developing enzymatic recycling for polyethylene terephthalate, or PET, has helped move the field from academic proof of concept toward industrial deployment.... Canonical URL: https://polymerjournals.com/enzymatic-pet-recycling-moves-closer-to-full-scale-industry/ Byline: Carbios Published: 2026-04-01T16:50:32+00:00 Categories: News, Progress in Rubber, Plastics and Recycling Technology ![PET recycling bioreactor plastic bottles](https://polymerjournals.com/wp-content/uploads/2026/04/PET_recycling_bioreactor_plastic_bottles-scaled.jpg) One of the most closely watched ideas in plastics recycling is no longer just a laboratory story. Carbios, the French company developing enzymatic recycling for polyethylene terephthalate, or PET, has helped move the field from academic proof of concept toward industrial deployment. That matters because PET is one of the world's most important packaging plastics, but it is also one of the clearest examples of the gap between what is technically recyclable and what is actually recovered at high value. For years, the standard route for used PET bottles has been mechanical recycling. That approach can work well when waste streams are clean, sorted and relatively simple. In the real world, though, PET often arrives mixed with labels, colors, multilayer structures, additives, trays, food residue and other contamination. Mechanical recycling can also shorten polymer chains and reduce material quality over repeated cycles. The result is that much PET is still downcycled, exported, burned, or landfilled instead of being turned back into bottle-grade material. Carbios is betting that enzymes can change that equation. Rather than melt and remold the polymer, the company's process uses an engineered enzyme to cut PET back into its building blocks. Those monomers can then be purified and used to make new PET with properties comparable to virgin resin. In simple terms, the goal is not just to recycle plastic, but to chemically reset it. The technology has drawn sustained attention because it sits at the intersection of polymer chemistry, biotechnology, process engineering and circular-economy policy. It also addresses a practical market need. Brand owners want recycled content, regulators increasingly demand it and converters want a route that can deliver consistent, food-contact-quality raw material from difficult waste streams. ## Why PET is such an important target PET is used widely in drink bottles, food trays, thermoforms, films and textile fibers. It is popular because it is light, strong, transparent and easy to process. Chemically, it is a polyester made from terephthalic acid and ethylene glycol. That ester chemistry is important, because ester bonds are much easier to break selectively than the carbon-carbon backbones found in plastics such as polyethylene and polypropylene. That makes PET one of the most realistic candidates for advanced depolymerization. If the polymer chains can be broken cleanly into monomers, those monomers can be purified and used again in conventional PET production. In principle, that means a used bottle, tray, or polyester-rich waste stream could become feedstock for another high-performance product instead of losing value with each cycle. There is also a strategic reason to focus on PET. Mechanical recycling infrastructure already exists for part of the market, especially clear bottles, so enzymatic recycling does not need to replace everything. Instead, it can target fractions that are currently difficult to handle, such as colored PET, opaque items, complex packaging formats and certain textile-rich or tray-rich streams. That complementary role is important. The best recycling systems are rarely based on one technology alone. ## How the enzymatic process works The basic idea is elegant, even if the industrial reality is not simple. PET waste is first collected, sorted, cleaned and reduced to small flakes. The material is then fed into a reactor where an engineered enzyme attacks the ester bonds in the polymer. Under controlled conditions of temperature, pH, mixing and residence time, the long PET chains are broken down into smaller molecules and, ultimately, into the original monomers or monomer-like intermediates that can be converted back to terephthalic acid and ethylene glycol. After depolymerization, the process separates and purifies the recovered chemical building blocks. These purified inputs can then go into standard polymerization equipment to make new PET resin. Because the polymer is rebuilt from clean monomers rather than simply remelted from old chains, the final resin can reach a much higher and more predictable quality level. This is the core claim behind "infinite recycling" language often used around depolymerization. The chemistry can, in theory, support repeated cycles without the cumulative chain damage seen in purely mechanical routes. In practice, of course, every real process still has losses, energy inputs, contamination limits and economics to manage. But the scientific logic is sound. - **Step 1:** collect and sort PET-rich waste streams - **Step 2:** wash, shred and prepare the feedstock - **Step 3:** depolymerize PET in water using an engineered enzyme - **Step 4:** remove dyes, additives, labels and other impurities - **Step 5:** recover purified terephthalic acid and ethylene glycol - **Step 6:** repolymerize those building blocks into new PET For polymer scientists, the attraction is obvious. The process takes advantage of PET's chemical structure rather than fighting against it. For industry, the key question is whether that selectivity can be maintained at large scale, with mixed real-world waste, at a cost that makes commercial sense. ## Why enzymes are getting serious industrial attention Enzymes bring several advantages to depolymerization. They are selective. They work in water-based systems. They can operate under milder conditions than some thermochemical alternatives. And because they are catalysts, only relatively small amounts are needed if they are stable and productive enough. That combination is appealing in a recycling field where high temperatures, high solvent loads, or poor selectivity can quickly undermine both cost and sustainability claims. Carbios' work is built on the idea that natural enzymes can be improved for industrial use. In nature, enzymes that attack polyester-like materials are not optimized to chew through large volumes of post-consumer PET. Through protein engineering, researchers can improve heat tolerance, activity and stability so that the catalyst performs in a reactor rather than only in a biological niche. That is one of the most important scientific shifts behind the current progress. Another reason for the industrial interest is product quality. If depolymerization and purification are effective, the recycled monomers can be used to produce resin suitable for demanding applications. That is particularly valuable for food and beverage packaging, where consistency, safety and regulatory compliance matter. Mechanical recycling remains essential, but it can be harder to maintain top-grade quality when the input stream is highly variable. Brand owners have noticed. Beverage, cosmetics and consumer-goods companies have shown interest in advanced PET recycling because it offers a possible route to recycled content without sacrificing clarity, strength, or food-contact performance. That does not guarantee economic success, but it does mean there is real market pull. ## What makes scale-up difficult The jump from a good paper or pilot line to a full plant is where many recycling technologies struggle. Enzymatic PET recycling is no exception. The chemistry may be selective, but the incoming waste stream is not. Industrial success depends on several linked issues: feedstock quality, pretreatment, reactor design, catalyst cost, impurity removal, water handling, energy use and downstream monomer purification. Feedstock preparation is especially important. PET in bottles, trays and textiles does not behave in exactly the same way. Crystallinity, wall thickness, colorants, barrier layers and additives all affect how easily the polymer can be attacked. High crystallinity can slow depolymerization, so the polymer may need thermal or mechanical pretreatment that makes the chains more accessible to the enzyme. That adds cost and process complexity. There is also the contamination issue. Labels, caps, adhesives, inks and residues do not disappear just because the main polymer is being enzymatically cut. The process must either tolerate those materials or remove them effectively. That is one reason advanced recycling plants still depend on good sorting systems. The cleaner the input, the better the output and the economics. Enzyme performance itself is another challenge. Catalysts used in industry need more than high activity in a lab assay. They must stay active long enough, withstand real processing conditions and work reproducibly from batch to batch. They also have to be manufactured at a price that fits the business case. Biotechnology can deliver impressive catalyst performance, but cost and robustness often decide whether a process survives. Then there is plant integration. Recovered monomers must meet strict specifications if they are going back into PET production. That means purification cannot be an afterthought. Removing color bodies, trace additives and degradation products is central to the value proposition. A recycling technology that makes impure monomers is not solving the full problem. ## Where enzymatic recycling fits in the wider plastics system It is important not to oversell the technology. Enzymatic recycling is not a universal answer for all plastics. It is especially relevant to polyesters and PET is the clearest early target. It does not solve the challenge of mixed polyolefins. It does not remove the need for waste reduction, reuse systems, better package design, or improved collection infrastructure. And it does not make every difficult PET article instantly recyclable at low cost. But it does offer something valuable: a route for recovering high-value material from waste that today often falls outside the best mechanical streams. In that sense, the technology may be most powerful when used as part of a layered recycling system. - **Mechanical recycling** remains the best first option for clean, well-sorted PET where quality can be preserved efficiently. - **Enzymatic depolymerization** can serve harder fractions where monomer recovery has an advantage. - **Design for recycling** can make both routes work better by reducing problematic additives, multilayers and labels. - **Collection and sorting upgrades** determine whether enough suitable feedstock reaches any plant at all. This systems view matters because advanced recycling debates often become polarized. Supporters sometimes present chemical or enzymatic routes as transformational solutions. Critics sometimes dismiss them as expensive distractions. The reality is more technical. A process should be judged by where it works, what material it displaces, what waste it can actually accept and whether the energy and economics hold up outside pilot conditions. ## Textiles could be a major long-term opportunity Although bottle and tray applications get most of the public attention, textiles may become an even larger long-term opportunity. Polyester fibers represent a vast PET reservoir, but textile recycling is much harder than bottle recycling because fabrics are blended, dyed, finished and assembled into complex products. Separating polyester from cotton, elastane, or other fibers is a major challenge. Enzymatic PET depolymerization could become a useful tool in that area if upstream sorting and separation improve. A process that can recover PET chemistry from textile waste without simply shredding it into lower-grade fiber would be attractive. The challenge is that textile feedstocks are usually far dirtier and more heterogeneous than bottle flakes. Any claim of large-scale textile circularity will depend on preprocessing technology as much as on the enzyme itself. Even so, the possibility is significant. Packaging markets are already under pressure to improve recycling, but textiles remain a largely open frontier. If enzymatic routes prove robust there, the impact on polyester circularity could be substantial. ## What to watch next The next phase is less about whether the chemistry works and more about whether industry can make it routine. Several questions will define the field over the next few years. First, can industrial plants operate steadily on real feedstock rather than idealized material? Continuous or near-continuous performance, not isolated demonstration runs, will matter most. Second, can the process deliver competitive economics once collection, washing, pretreatment, utilities, purification and capital costs are all counted? Third, can life-cycle assessments show clear environmental benefits compared with virgin PET and with strong mechanical recycling routes? And fourth, can enough suitable PET waste be secured through supply contracts and municipal systems? Policy will also shape the answer. Recycled-content mandates, extended producer responsibility systems, landfill restrictions and packaging rules all influence whether advanced recycling capacity gets built. When brand owners are required to include more recycled content, high-quality monomer routes become more valuable. On the other hand, if regulations demand strong proof of environmental performance, developers will need transparent data rather than broad circularity claims. That is why Carbios' progress is being watched far beyond one company. The story is not only about a single process. It is about whether polymer recycling can move from damage control toward true material recovery in at least some product categories. ## A measured but important step forward Enzymatic PET recycling should not be treated as magic, but it should be taken seriously. The science is credible, the industrial rationale is clear and the market need is real. The main remaining questions are those that always matter in industrial polymer technology: scale, cost, reliability, feedstock and integration. If the process performs as hoped at commercial scale, it could help close one of the most persistent loops in plastics packaging by turning lower-value PET waste back into high-value monomers for new resin. That would not eliminate the need for better product design or stronger collection systems, but it would give the circular economy something it often lacks: a technically elegant solution that can also plug into existing polymer manufacturing. For now, the significance of Carbios' work is straightforward. It shows that advanced polymer recycling is no longer confined to abstract concepts or small academic experiments. A real industrial attempt is under way to use biology-inspired catalysis to rebuild one of the world's most common plastics from the inside out. In recycling, that is a meaningful shift. *Source organization: [Carbios](https://www.carbios.com)* --- Source: https://polymerjournals.com/northwestern-researchers-report-a-route-to-turn-polyethylene-waste-into-ingredients-for-detergents-and-other-higher-value-products/ # Northwestern researchers report a route to turn polyethylene waste into ingredients for detergents and other higher-value products > Polyethylene is one of the most widely used plastics in the world. It appears in shopping bags, shrink wrap, food packaging, detergent bottles and countless other products. It is cheap, light, durable and easy to process. Those same strengths also help explain... Canonical URL: https://polymerjournals.com/northwestern-researchers-report-a-route-to-turn-polyethylene-waste-into-ingredients-for-detergents-and-other-higher-value-products/ Byline: Northwestern University Published: 2026-04-01T16:01:18+00:00 Categories: News, Progress in Rubber, Plastics and Recycling Technology ![Polyethylene plastic waste recycling catalyst laboratory](https://polymerjournals.com/wp-content/uploads/2026/04/Polyethylene_plastic_waste_recycling_catalyst_laboratory-scaled.jpg) Polyethylene is one of the most widely used plastics in the world. It appears in shopping bags, shrink wrap, food packaging, detergent bottles and countless other products. It is cheap, light, durable and easy to process. Those same strengths also help explain why polyethylene waste has become such a stubborn environmental problem. Once it is discarded, the material is hard to collect cleanly, difficult to sort at scale and often not worth enough money to justify complex recycling. A recent study from **Northwestern University** points to a different idea: instead of trying to turn used polyethylene back into more polyethylene, convert it into molecules that industry already needs for soaps, detergents, lubricants and related products. The work matters because it aims at a long-standing weak point in plastics recycling. Mechanical recycling works best when a plastic stream is clean, sorted and not heavily degraded. Polyethylene films and mixed household waste rarely meet that standard. Chemical recycling can handle harder streams, but many existing methods rely on high temperatures and often generate broad, messy mixtures that need costly downstream refining. The Northwestern team reported a more selective upcycling concept, one designed to preserve more of the value already present in the plastic's carbon framework rather than reducing it to low-value fuel-like products. ## Why polyethylene is such a difficult recycling target On paper, polyethylene looks simple. Its chains are built mostly from carbon and hydrogen, repeated again and again. In practice, that simplicity is exactly the challenge. The carbon-carbon and carbon-hydrogen bonds in polyethylene are relatively nonreactive, which is why the plastic survives water, sunlight for a time and day-to-day wear. But it also means chemists must work hard to break or modify those chains in controlled ways. That challenge has shaped the economics of recycling. When polyethylene is mechanically recycled, it is usually melted and remade into products with lower performance requirements. This is useful and should remain an important part of waste management. But repeated heating and processing can reduce properties. Thin films, multilayer structures, food contamination, pigments and additives can all make the stream less attractive. As a result, large amounts of polyethylene still end up in landfill, incineration, or the environment. For years, researchers have asked a central question: can polyethylene be converted into something *more valuable* than the plastic waste itself? If the answer is yes, that higher value could help pay for collection, sorting and processing. That is the economic logic behind the Northwestern study. ## What the Northwestern team set out to do The researchers focused on **upcycling**, not simply recycling. In an upcycling strategy, waste is transformed into a product with equal or greater value. For polyethylene, that means avoiding the common trap of turning a useful long-chain material into a low-value hydrocarbon mixture. The Northwestern approach instead sought to selectively alter the polymer so it becomes a feedstock for chemicals already used in large industrial markets. In broad terms, the team showed that polyethylene can be converted into oxygen-containing molecules that are useful intermediates for surfactants and related materials. Surfactants are the active ingredients that help soaps and detergents lift grease and mix oil with water. They are also used in cosmetics, coatings, agricultural formulations, household cleaners and many industrial processes. This is an important point: the target market is not a niche lab curiosity. It is a massive and established chemical sector. The scientific idea behind the work is to add useful chemical functionality to pieces of the polyethylene chain. Instead of treating the waste polymer as something to destroy completely, the process treats it as a carbon-rich starting material that can be edited. That framing is increasingly common in advanced recycling research. The goal is not just waste disposal. It is molecular redesign. ## How the chemistry differs from traditional thermal cracking Conventional thermal routes such as pyrolysis generally rely on high temperatures to crack long polymer chains into smaller hydrocarbons. These processes can be useful, especially for difficult plastic mixtures, but they often produce a wide distribution of products. That means more separation, more purification and sometimes a business case tied closely to volatile fuel markets. If the output is mainly oil-like material, the overall value can be limited. The Northwestern strategy aims to be more selective. Rather than fully random cracking, it introduces oxygen-containing functional groups and creates product families that are better aligned with specialty and performance chemicals. In simple terms, the chemistry tries to guide the breakdown so that the carbon atoms from waste polyethylene land in more useful places. That difference is important for polymer and recycling professionals. Selectivity is often what separates an interesting reaction from a scalable manufacturing process. The more narrowly a process can define its output, the easier it becomes to model economics, product quality, purification needs and downstream formulation. A detergent ingredient stream is far more attractive than a broad and unpredictable hydrocarbon soup. ## Why surfactants are a smart target Target selection is one of the strongest features of this work. Surfactants are a logical destination for polyethylene-derived molecules because both involve long hydrocarbon chains. In a surfactant, one part of the molecule is attracted to oils and greases, while another part is attracted to water. That amphiphilic structure is what makes cleaning, emulsification and dispersion possible. Polyethylene already offers the hydrocarbon-rich portion of that architecture. If chemists can selectively shorten, oxidize and functionalize the polymer chains, they can generate intermediates that fit naturally into surfactant chemistry. That means the waste plastic is not being forced into an unnatural application. Its original hydrocarbon character is being redirected into a product class that benefits from similar molecular features. From an industrial standpoint, that matters because it can improve atom efficiency and value retention. The more of the original polymer chain that remains useful in the final product, the stronger the upcycling proposition becomes. This is one reason many experts see chemical upcycling as more promising when it targets lubricants, waxes, surfactants and specialty monomers, rather than just fuels. ## What makes the study notable for the plastics industry The research stands out for several reasons: - **It focuses on a very common waste plastic.** Polyethylene is not an obscure specialty polymer. Any credible solution for it has obvious real-world relevance. - **It targets higher-value outputs.** Detergent and surfactant ingredients usually command better economics than fuel-range products. - **It supports the idea of diversified recycling.** Not every plastic stream should go through the same pathway. Clean polyethylene may still be best handled mechanically, while contaminated or low-grade streams could be candidates for chemical upcycling. - **It reinforces the link between polymer science and commodity chemistry.** Waste plastics are increasingly being viewed as alternative carbon feedstocks for the broader chemical industry. That last point may be the most important. For decades, plastics were treated mainly as end-use materials. Now researchers are also treating them as chemical inventories. A polyethylene bag is not just a bag after use. It is a concentrated store of carbon and hydrogen that might be repurposed, if chemistry and economics line up. ## Still a laboratory advance, not a finished recycling system As promising as the study is, it would be wrong to present it as a complete solution to polyethylene waste. The work is best understood as a strong laboratory demonstration with clear industrial relevance. Several major questions remain before any such approach could become a large commercial technology. First, feedstock quality matters. Real-world polyethylene waste is not pure. It contains dyes, fillers, stabilizers, antioxidants, inks, food residues, paper labels and traces of other polymers. A process that works on model materials or carefully prepared waste still has to prove itself against the variability of municipal and post-industrial streams. Second, process integration matters. Even if the core chemistry is efficient, a plant would still need shredding, washing, pretreatment, catalyst handling, product separation and quality control. Many recycling technologies struggle not because the chemistry fails, but because the total system becomes too expensive or too complex when all unit operations are counted. Third, environmental performance must be measured carefully. A new route is only compelling if it reduces emissions, energy use, or resource demand compared with the alternatives. That requires full life-cycle assessment, not just reaction yields. If a process uses costly reagents, heavy solvent loads, or energy-intensive purification, the sustainability case can weaken quickly. ## How this fits with mechanical recycling and reuse One of the most useful ways to interpret the Northwestern work is as part of a **portfolio** approach to plastics management. Mechanical recycling should remain the first choice for clean and well-sorted polyethylene streams because it usually preserves material value with less energy input. Reuse systems, better package design and reduction of unnecessary plastic use are also essential. Chemical upcycling is not a replacement for those strategies. Where advanced chemistry may add the most value is in the streams that are poorly served today: thin films, mixed flexible packaging, degraded polyethylene, or waste that no longer meets the quality demands for closed-loop remelting. If those streams can be upgraded into specialty chemicals, the overall recycling map becomes more complete. This is a key point for policy and industry. Too often, recycling debates are framed as mechanical versus chemical, as if one must defeat the other. In reality, different waste streams need different solutions. The most practical future is likely to combine reduction, redesign, reuse, mechanical recycling, solvent-based purification where appropriate and selective chemical conversion for difficult fractions. ## Why polymer scientists will watch the next phase closely For researchers in polymers and industrial chemistry, the Northwestern report raises a set of concrete follow-up questions. Can the process handle a wider variety of polyethylene grades, including low-density and linear low-density films? How tolerant is it to additives? Can product selectivity remain high when the feedstock changes? What are the best catalyst systems and reaction conditions for scale? Can the outputs be tuned toward different surfactant families or wax formulations? And perhaps most importantly, what is the true cost of the full process on a per-kilogram basis? These are not minor details. They determine whether the chemistry remains a clever publication or evolves into a manufacturing platform. The history of polymer recycling is full of elegant lab reactions that struggled in the presence of dirty inputs and commodity-price pressure. At the same time, real progress often begins exactly this way: with a proof that a supposedly low-value waste stream can be redirected toward a product class that industry already understands and already buys. Another reason this work will attract attention is its broader conceptual message. It supports a growing trend in polymer science toward *molecularly informed circularity*. Instead of asking only how to collect waste, researchers are asking what the molecular structure of each waste stream makes possible. Polyethylene, because it is so hydrocarbon-rich, may be especially well suited to routes that lead into detergents, lubricants and waxes. PET, by contrast, may be better suited to monomer recovery. Polyurethanes may need entirely different chemistry again. Circularity is becoming polymer-specific. ## The bigger picture for plastics upcycling The Northwestern study arrives at a time when the plastics sector is under pressure from several directions at once: tougher policy scrutiny, rising expectations around recycled content, growing public concern over waste leakage and continued demand for low-cost packaging materials. In that environment, technologies that create stronger economics for waste recovery will draw serious interest. That does not mean every upcycling claim should be accepted uncritically. The field has sometimes moved too quickly from promising chemistry to oversized commercial promises. The strongest path forward is disciplined: show clear selectivity, use realistic waste streams, publish rigorous mass balances, compare against existing routes and be honest about where the process fits best. By that standard, the Northwestern work is encouraging because it highlights a credible value proposition without pretending that all plastic waste can be solved by one reaction. If the concept continues to develop, its significance could extend beyond detergents. Once a reliable platform exists for converting polyethylene into oxygenated intermediates, other product families may become possible as well. That could include lubricants, coatings ingredients, specialty waxes, or precursors for other functional materials. In other words, the real breakthrough may be less about one final product and more about opening a broader chemical toolbox for one of the world's most abundant waste polymers. ## What to watch next In the near term, the most important signals will be scale-up data, tolerance to contaminated feedstocks and transparent sustainability analysis. Partnerships with detergent makers, chemical producers, or waste-management companies would also be meaningful because they would test whether the chemistry meets real market specifications. For polymer engineers, reactor design and product separation may prove just as decisive as catalyst performance. Even at this early stage, the message is clear. Polyethylene waste does not have to be viewed only as a disposal problem or a low-grade fuel source. With careful chemistry, it can become a feedstock for useful and higher-value molecules. That shift in perspective is one of the most important changes now underway in recycling science. Northwestern University's report does not end the polyethylene waste problem. But it offers a practical and scientifically grounded reminder that better outcomes may come not only from collecting more plastic, but from thinking more creatively about what waste polymers can become. For a field searching for routes that are both technically credible and economically meaningful, that is very real progress. --- Source: https://polymerjournals.com/designed-for-recycling-thermosets-are-moving-from-lab-curiosity-to-serious-circular-plastics-strategy/ # Designed-for-recycling thermosets are moving from lab curiosity to serious circular-plastics strategy > A plastic that can be tough, durable and chemically stable in use, yet still be taken back to its original building blocks when its job is finished, has long been a goal in polymer science. One of the clearest examples of that... Canonical URL: https://polymerjournals.com/designed-for-recycling-thermosets-are-moving-from-lab-curiosity-to-serious-circular-plastics-strategy/ Byline: Lawrence Berkeley National Laboratory Published: 2026-04-01T14:24:52+00:00 Categories: News, Progress in Rubber, Plastics and Recycling Technology ![Recyclable plastic pellets laboratory](https://polymerjournals.com/wp-content/uploads/2026/04/recyclable_plastic_pellets_laboratory.jpg) A plastic that can be tough, durable and chemically stable in use, yet still be taken back to its original building blocks when its job is finished, has long been a goal in polymer science. One of the clearest examples of that idea is poly(diketoenamine), or **PDK**, a class of polymers developed at Lawrence Berkeley National Laboratory. The chemistry has attracted sustained attention because it tackles one of the hardest problems in plastics recycling: what to do with materials that are designed not to melt, not to dissolve and not to break down during service. Recent work around the PDK platform has helped shift the conversation from "can this be done?" to "where can it be used first and what would it take to scale it responsibly?" That is an important change. In the plastics sector, many recycling discussions still focus on improving collection, sorting, or mechanical reprocessing. Those steps matter, but they do not solve everything. Some polymer products lose too much performance after remelting. Others contain additives, pigments, fillers and reinforcing fibers that make conventional recycling inefficient or uneconomic. Thermosets are especially difficult. PDK is interesting because it approaches the problem at the molecular-design stage. Instead of making a polymer first and worrying about end-of-life later, the material is built so that its key bonds can be reversed under controlled chemical conditions. In simple terms, the same chemistry that locks the material together can also unlock it. That is why many researchers see PDK and related *designed-for-deconstruction* polymers as a serious part of the future circular economy for plastics. ## Why hard-to-recycle plastics remain a major gap Much public discussion about recycling centers on bottles, films and packaging. Those are highly visible products and they matter because they are produced in large volumes. But many of the most technically challenging polymers are used in places the average consumer rarely notices: coatings, adhesives, electronic encapsulants, fiber-reinforced parts, foams, automotive components, aerospace structures and durable industrial goods. These materials are often based on **thermosets**. Unlike common thermoplastics, which soften and flow when reheated, thermosets form permanent network structures during curing. That crosslinked structure gives them heat resistance, dimensional stability, solvent resistance and strength. It also makes them difficult to recycle by ordinary melting and remolding. In practice, that means thermoset-rich waste streams are often landfilled, incinerated, or at best downcycled into lower-value fillers. Even when a part contains expensive material, the cost of separating layers, removing additives, or recovering clean polymer value can be too high. This is one reason the industry is looking beyond mechanical recycling and toward selective depolymerization, dissolution methods, dynamic covalent networks and new monomer chemistries. Berkeley Lab's PDK work fits directly into that challenge. It is not a universal answer for all plastics. It does, however, offer a strong demonstration that a network polymer can be designed for high-value recovery rather than end-of-life disposal. ## What makes PDK different PDK stands for **poly(diketoenamine)**. The key idea is that the polymer network contains diketoenamine linkages that are stable during use but can be cleaved in strongly acidic conditions. When that happens, the polymer does not simply fragment into a messy mixture of degraded chains. Instead, the chemistry can return the material to its original monomer components, which can then be purified and used again. That distinction matters. In many recycling systems, each loop reduces material quality. Molecular weight can fall, contaminants build up and color or additive packages limit what the recycled output can become. PDK was developed to avoid that trap by enabling **closed-loop chemical recycling** at the monomer level. Another important feature of the original Berkeley Lab reports was that additives could be separated from the monomers during recovery. That point is easy to overlook, but industrially it is huge. Commercial plastics are rarely neat polymers. They contain stabilizers, plasticizers, dyes, flame retardants, impact modifiers, fillers and processing aids. Those ingredients are often essential in service and highly problematic at end of life. A recycling chemistry that can tolerate complex formulations and still recover valuable feedstock has a real advantage over systems that work only on pure, clean, lab-made samples. In other words, PDK is not just about reversibility. It is about reversibility in a realistic materials environment. ## Why the recent progress matters The most important recent development is not one single headline result. It is the steady broadening of the PDK concept from a clever molecular demonstration into a more practical materials platform. Researchers have continued exploring how the chemistry performs across different formulations, processing routes and property targets. That includes work on mechanical robustness, tougher networks, composite possibilities and the economics of feedstock selection and recovery. For polymer scientists, that transition is a familiar one. A new polymer system usually begins with proof of concept: make it, characterize it, show a unique feature and publish the chemistry. The harder second phase is application engineering. Can it be processed on useful timescales? Can it survive real service conditions? Can it be molded, bonded, or reinforced? How sensitive is it to moisture, heat, ultraviolet light, or impurities? Can recovery be done with reasonable solvent and energy use? Can the recovered monomers be repolymerized repeatedly without drift in quality? PDK has stayed relevant because it continues to score well on the questions that matter most for circularity. The polymer is not being promoted as magic. Rather, it is being treated as a serious case study in what *designing for recyclability from the start* actually looks like in polymer chemistry. That is a significant shift for industry. For years, many sustainability efforts tried to fit old materials into improved waste systems. PDK turns that model around and asks whether some materials should be invented differently in the first place. ## Where PDK could make the biggest early impact Not every polymer innovation needs to start in mass packaging. In fact, many advanced materials succeed first in high-value, lower-volume sectors where performance and recovery are both important. That may be the natural path for PDK. Potential early-use areas include durable goods, electronics housings, adhesives, specialty coatings and some composite-rich applications where the economics of reclaiming value are stronger than they are for commodity packaging. If a manufacturer can recover expensive monomers, reduce hazardous waste and potentially reclaim embedded additives or reinforcements, the business case becomes more attractive. There is also a strategic angle. Regulations and corporate targets increasingly emphasize traceability, recycled content and end-of-life accountability. A material platform that is intentionally compatible with take-back and depolymerization may help companies move beyond broad sustainability claims toward a more measurable circular model. That said, the first successful applications are unlikely to be the most price-sensitive ones. Commodity plastics compete on cost at enormous scale. A newer chemistry has to earn its place either through performance, regulation-driven value, recovery economics, or all three. ## What PDK does not solve by itself It is important to keep the science in proportion. PDK does not make all plastics recyclable. It does not remove the need for collection, sorting, logistics, safe chemical handling, or life-cycle analysis. And it does not eliminate the environmental footprint of material production. The depolymerization step depends on controlled chemical treatment, commonly discussed in the context of strong acid. That means process design, equipment choice, worker safety, chemical recovery and waste minimization all matter. A polymer that can be chemically recycled in principle is only sustainable in practice if the entire system around it is well engineered. There is also the question of infrastructure compatibility. Today's plastics economy is built around mature feedstocks, processing tools, qualification methods and supply chains. Any new polymer system must fit into at least some of that industrial reality. Even a strong lab result can struggle if the manufacturing route is too specialized or if end-of-life handling requires a separate stream that no one is ready to collect. That is why many researchers now stress that the circular economy will require **multiple recycling technologies**, not a single winner. Mechanical recycling will remain essential where it works well. Solvent-based purification may be useful for some streams. Depolymerization will fit others. Biobased polymers will matter in some markets, but not all. Designed-for-recycling materials like PDK add another important tool to that mix. ## A useful comparison: thermoplastics versus circular thermosets One reason PDK gets attention is that it highlights a blind spot in plastics policy. Most recycling systems were developed around thermoplastics because those materials can often be remelted. That makes sense from an infrastructure standpoint, but it can leave more difficult materials behind. Thermosets are often chosen precisely because they outperform thermoplastics in demanding environments. If society wants those functions, then it also needs better end-of-life options for them. PDK suggests a possible route: preserve network performance during use, but build in a chemical trigger for later recovery. This concept also connects with wider research on *vitrimers*, dynamic covalent chemistry, reversible crosslinks and self-healing materials. The field is moving toward polymers that are less "one-way" than traditional networks. Some systems are reprocessable through bond exchange reactions. Others are fully depolymerizable to monomers. The exact chemistry differs, but the design philosophy is similar: make the material durable in service and manageable after use. For industrial scientists, that is not just elegant chemistry. It is a response to regulation, carbon pressure, waste costs and resource security. ## The technical questions researchers and companies still need to answer If PDK is to become more than a showcase chemistry, several issues will need continued work. - **Cost of monomers and synthesis:** Specialty monomers can limit adoption. Broader feedstock options and simpler synthesis routes improve the chance of scale-up. - **Processing windows:** Manufacturers need materials that cure, mold, or coat reliably on practical timescales. - **Property range:** Real products need toughness, impact resistance, thermal stability and environmental durability tailored to each application. - **Recovery process efficiency:** Depolymerization must be selective, scalable and compatible with solvent and reagent recovery. - **Additive management:** Industrial products contain complex formulations. The chemistry must keep working when pigments, fillers and stabilizers are present. - **Life-cycle performance:** A closed-loop chemistry is only valuable if its total environmental footprint compares well with the incumbent material and disposal route. - **Collection systems:** Materials designed for depolymerization still need a path back from the user to the recovery process. None of these are trivial. But they are the right questions to be asking. In polymer innovation, the promising sign is not that every issue is already solved. It is that the material has matured enough for the field to focus on the practical barriers rather than the basic concept. ## Why this matters beyond one polymer family The deeper significance of Berkeley Lab's PDK work is that it has helped reset expectations for what "recyclable plastic" can mean. For many years, recyclability was often treated as a post-use sorting issue. The new generation of polymer chemistry shows that recyclability can be embedded directly into molecular architecture. That changes how chemists think about performance. A polymer no longer has to be judged only by strength, modulus, glass-transition temperature, barrier properties, or chemical resistance. Increasingly, it must also be judged by how intelligently it exits service. That perspective is spreading across the field. Researchers are now more likely to ask whether a high-performance material can be disassembled, whether its monomers can be recovered selectively, whether its additives can be separated and whether its value can be preserved through multiple cycles. Those questions are becoming part of mainstream polymer design, not niche academic exercises. PDK has been influential because it made that philosophy concrete. It provided a memorable example of a polymer system that was not merely "less bad" at end of life, but intentionally built for circular recovery. ## What industry should watch next Over the next few years, the key signals will likely come from application-specific validation rather than broad claims. Industry should watch for evidence that PDK-type materials can be integrated into real components, processed at useful scale, survive realistic environments and be depolymerized with acceptable economics and environmental performance. Another important milestone will be whether recovery systems can be designed around concentrated, well-defined waste streams. That is often how new recycling technologies gain traction: not by solving the whole municipal waste problem at once, but by starting with controlled industrial or commercial streams where composition is known and collection is feasible. If that happens, designed-for-recycling thermosets could become one of the more practical circular-materials stories in the polymer sector. They may not replace commodity polyolefins and they do not need to. Their value may lie in the places where existing recycling routes perform worst and where retained material value is highest. The broader lesson is clear. The next generation of plastics will not be judged only by how well they perform on day one. They will be judged by whether chemists and manufacturers have planned for day 1,000 as well. PDK remains one of the clearest signs that this shift is underway. For readers who want to follow the underlying research, Lawrence Berkeley National Laboratory has published updates on the PDK platform through its materials and sustainability programs and the original chemistry was reported in peer-reviewed literature. More information is available from [Lawrence Berkeley National Laboratory](https://www.lbl.gov/) and through the laboratory's published work on chemically recyclable polymers. --- Source: https://polymerjournals.com/ijps20213705/ # Research Reference: IJPS20213705 > A clean article reference page created for the legacy code IJPS20213705. Canonical URL: https://polymerjournals.com/ijps20213705/ Published: 2026-03-28T12:00:00+00:00 Updated: 2026-03-28T21:19:38+00:00 Categories: Uncategorized This clean article reference page keeps the citation code **IJPS20213705** useful to readers visiting Polymer Journals. Use it as a starting point for related polymer science, materials, and journal coverage across the site. - [Journal of Polymer Science](https://polymerjournals.com/journal-of-polymer-science/) - [Search this code](https://polymerjournals.com/search/?s=ijps20213705) - [Browse journals](https://polymerjournals.com/journals/) --- Source: https://polymerjournals.com/quality-control-in-starch-ether-production/ # Quality Control in Starch Ether Production > Why process control, substitution consistency, and moisture handling matter in starch ether manufacturing. Canonical URL: https://polymerjournals.com/quality-control-in-starch-ether-production/ Published: 2026-03-28T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Chemistry Starch ethers are used in construction chemistry, food systems, pharmaceuticals, and coatings because they change viscosity, water retention, and flow. That usefulness depends on consistency. Small shifts in substitution level, drying conditions, particle size, or residual salts can move a batch out of specification quickly. Good quality control starts with the feedstock. Native starch source, moisture content, granule condition, and pre-treatment history all affect the way the etherification step behaves. Plants that treat raw starch characterization as a routine release test usually catch process drift earlier than plants that only test the final powder. During production, operators typically watch temperature, alkalinity, reagent dosing, mixing intensity, and residence time. Those variables shape substitution efficiency and, in turn, viscosity profile and hydration behavior. Inline checks do not replace final analysis, but they make troubleshooting much faster. Finished-product testing usually centers on viscosity, pH, ash, particle-size distribution, moisture, and application-specific benchmarks. For construction grades, water retention and open-time behavior are especially important because the end user cares about job-site performance more than process details. The practical lesson is simple: starch ether quality control works best when the plant treats the process and the product as one system. Raw materials, reaction conditions, drying, and storage all leave a fingerprint on the final material. --- Source: https://polymerjournals.com/advanced-polymers-for-coatings/ # Advanced Polymers for Coatings > How polymer design influences barrier performance, surface durability, and coating flexibility. Canonical URL: https://polymerjournals.com/advanced-polymers-for-coatings/ Published: 2026-03-27T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Materials Modern coating systems do much more than add color. They manage corrosion, abrasion, weathering, optics, chemical resistance, and even conductivity. Polymer choice sits at the center of all of that because the binder controls film formation and most of the long-term performance tradeoffs. Designers often balance three competing demands: strong adhesion, mechanical flexibility, and environmental resistance. Highly crosslinked systems can be durable but brittle. Softer systems can move with the substrate but may struggle with solvent resistance or scratch recovery. That is why advanced polymer coatings increasingly use hybrid strategies. Acrylics, urethanes, epoxies, fluorinated segments, silicone modifiers, and nanoparticle reinforcement are combined to tune the surface without over-optimizing for one property at the expense of another. Application method matters too. A coating formulated for spray deposition can behave very differently in roll-to-roll or powder systems. Rheology modifiers, cure chemistry, and substrate preparation all influence whether the theoretical material advantage actually shows up in production. The most successful coating platforms are not just high performance on paper. They are robust enough to survive real manufacturing conditions, variable substrates, and long service intervals. --- Source: https://polymerjournals.com/pu-coated-fabrics-performance-evaluation/ # PU-Coated Fabrics Performance Evaluation > A practical look at breathability, hydrolysis resistance, abrasion, and seam behavior in PU-coated fabrics. Canonical URL: https://polymerjournals.com/pu-coated-fabrics-performance-evaluation/ Published: 2026-03-26T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Materials Polyurethane-coated fabrics sit in a useful middle ground between soft textile feel and engineered surface performance. They show up in technical apparel, transport interiors, upholstery, medical goods, and protective covers because they can be tuned for flexibility, barrier behavior, and surface finish. Performance evaluation usually starts with abrasion, peel strength, tensile behavior, and resistance to repeated flexing. Those tests reveal whether the coating and textile backing behave as one composite or whether the system is already close to interface failure. For long-life applications, hydrolysis resistance is a major checkpoint. Polyester-based PU systems can offer strong mechanical properties, but humid and warm conditions may accelerate degradation if the chemistry is not matched to the use case. Polyether-based systems often trade some properties for improved hydrolytic stability. Breathability and liquid barrier performance also need to be considered together. A coated fabric that blocks liquid well but traps too much moisture vapor may fail in wearable applications. Seam construction can be just as important as the base fabric because many field failures begin where the composite is punctured, stitched, or folded. That is why the best evaluations combine lab tests with end-use simulation. It is not enough for the coating film to look strong on its own; the fabric system has to survive the way people actually use it. --- Source: https://polymerjournals.com/foam-recovery-physics/ # Foam Recovery Physics > Why density, cell structure, viscoelasticity, and loading history govern how foam springs back after compression. Canonical URL: https://polymerjournals.com/foam-recovery-physics/ Published: 2026-03-25T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Materials Foam recovery looks simple from the outside: compress a material, remove the load, and watch it bounce back. In practice, recovery is controlled by a mix of cell geometry, polymer viscoelasticity, gas transport, and structural damage. Open-cell and closed-cell systems recover differently because the gas phase plays a different role in each. In open-cell foams, air moves more freely through the network, so the polymer skeleton carries most of the recovery burden. In closed-cell systems, pressure differences inside the cells can influence the time scale of shape return. Density is another major factor. Low-density foams can be highly compressible but may accumulate permanent damage more quickly. Higher-density foams often resist collapse better, though they may feel stiffer and respond more slowly depending on the base chemistry. Recovery testing often examines compression set, rebound, cyclic fatigue, and temperature sensitivity. Those measurements matter because a foam that recovers well in a single lab cycle may still drift out of shape after thousands of practical loading events. Understanding recovery physics matters in packaging, automotive interiors, cushioning, footwear, and insulation. The best foam design is usually application-specific rather than universally “soft” or “strong.” --- Source: https://polymerjournals.com/fiber-lasers-in-industrial-applications/ # Fiber Lasers in Industrial Applications > Why fiber lasers became central to cutting, welding, marking, and precision materials processing. Canonical URL: https://polymerjournals.com/fiber-lasers-in-industrial-applications/ Published: 2026-03-24T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Technology Fiber lasers have reshaped industrial processing because they combine beam quality, electrical efficiency, compact packaging, and low maintenance. For manufacturers, that translates into faster setup, cleaner integration, and more predictable operation on demanding production lines. Cutting and welding remain the most visible uses, especially in metals, electronics packaging, and precision component fabrication. The beam can be tightly focused, which supports narrow heat-affected zones and fine process control when the workpiece and optics are matched properly. Marking and surface treatment are another strong fit. High repetition rates and stable beam delivery make fiber systems attractive for serial coding, microtexturing, traceability, and selective modification of surfaces without full-part rework. Industrial adoption also depends on system-level decisions. Motion control, clamping, fume extraction, process monitoring, and safety enclosure design all matter as much as the laser source when companies are pushing toward reliable throughput. The broader lesson is that fiber lasers are not just a tool upgrade. They are part of a shift toward more precise, digitally controlled manufacturing workflows. --- Source: https://polymerjournals.com/pvc-additives-anti-static/ # PVC Additives and Anti-Static Performance > How anti-static packages work in PVC and why migration, humidity, and processing conditions matter. Canonical URL: https://polymerjournals.com/pvc-additives-anti-static/ Published: 2026-03-23T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Chemistry PVC formulations often need anti-static control in packaging, flooring, films, cable compounds, and industrial parts. Static is not only a nuisance. It can attract contamination, interfere with handling, and in some environments increase safety risk. Anti-static performance usually comes from additives that increase surface conductivity or promote a thin conductive moisture layer. That sounds straightforward, but formulation tradeoffs quickly appear. Additives can migrate, interact with plasticizers, affect clarity, or lose effectiveness when environmental humidity changes. Permanent anti-static approaches, such as conductive fillers or inherently dissipative polymer phases, can reduce migration concerns but may complicate color, gloss, flexibility, or cost. Migratory packages are easier to process but often require a closer look at long-term stability and end-use exposure. Processing conditions also matter. Shear history, fusion quality, and additive dispersion influence how evenly the anti-static mechanism is distributed through the compound and how rapidly it becomes active at the surface. That is why anti-static PVC design is really a formulation systems problem. Performance depends on the full package, not just a single additive name on the recipe sheet. --- Source: https://polymerjournals.com/polymerization-technology/ # Polymerization Technology > A modern overview of how reaction engineering shapes polymer architecture, productivity, and scale-up. Canonical URL: https://polymerjournals.com/polymerization-technology/ Published: 2026-03-22T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Chemistry Polymerization technology sits at the intersection of chemistry and process engineering. The target is rarely just “make polymer.” Plants need a controlled molecular architecture, consistent conversion, acceptable heat removal, manageable viscosity, and a route that can scale without becoming unstable. Bulk, solution, suspension, emulsion, and gas-phase systems each solve different parts of that puzzle. Bulk routes reduce separation steps but can become difficult to control as viscosity rises. Emulsion systems handle heat transfer well and support high rates, but the downstream product form and surfactant package change the rest of the manufacturing chain. Catalyst or initiator selection shapes the entire window. It influences molecular weight, branching, copolymer sequence, residual monomer levels, and even the practicality of reactor cleanup. On top of that, feed strategy and mixing determine whether the reaction stays uniform or drifts into local hot spots and composition gradients. Scale-up is where many promising lab systems become difficult. Residence-time distribution, mass transfer, and thermal behavior change with equipment size. That is why polymerization technology is as much about reactor design and control philosophy as it is about reaction chemistry. When it works well, the result is not just a polymer with the right average properties. It is a process that can keep producing that material reliably, economically, and safely. --- Source: https://polymerjournals.com/tpe-vs-silicone/ # TPE vs Silicone > Comparing thermal stability, softness, processability, and regulatory fit in TPE and silicone materials. Canonical URL: https://polymerjournals.com/tpe-vs-silicone/ Published: 2026-03-21T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Materials Thermoplastic elastomers and silicone often compete in products that need softness, flexibility, and comfort. The better choice depends on operating temperature, chemical environment, processing route, regulatory requirements, and cost targets. TPE systems usually win on conventional thermoplastic processing. They can be injection molded efficiently, reprocessed more easily, and tuned across a wide hardness range. That makes them attractive for consumer products, grips, seals, and overmolded components. Silicone, by contrast, stands out in thermal stability, weatherability, and long-term performance across demanding environments. It remains flexible over a wider temperature window and often performs better when UV, oxidation, or sterilization resistance matters. The tradeoffs show up in the details. TPE may offer faster cycle times and simpler color matching, while silicone may justify higher cost in medical, aerospace, electronics, or high-temperature sealing applications. Surface feel, compression set, and chemical resistance can all shift the decision. In practice, the most useful question is not “which is better?” but “which failure mode matters most in the real application?” That framing usually makes the material decision much clearer. --- Source: https://polymerjournals.com/s1359-835x2200123-7/ # Research Note: S1359-835X(22)00123-7 > A research-note style entry created to retain external references to a known article identifier. Canonical URL: https://polymerjournals.com/s1359-835x2200123-7/ Published: 2026-03-20T09:00:00+00:00 Updated: 2026-03-28T21:04:08+00:00 Categories: Industrial Science This page exists to keep incoming links that reference the identifier **S1359-835X(22)00123-7** useful to readers. Polymer Journals routes those references into a cleaner article framework and keeps related science coverage easy to find from here. If you arrived through a citation or external reference, the site search and journal pages are the best next steps for finding related polymer science content. --- Source: https://polymerjournals.com/residual-strength-and-deformation-recovery-of-rc-beams-strengthened-with-frps-plates-under-the-sustained-load/ # Residual strength and deformation recovery of RC beams strengthened with FRPs plates under the sustained load > Title: Residual strength and deformation recovery of RC beams strengthened with FRPs plates under the sustained load Page Range: p.119-126 Author(s): Dooyong Cho; Hoseong Jeong; Kyoungbong Han File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/residual-strength-and-deformation-recovery-of-rc-beams-strengthened-with-frps-plates-under-the-sustained-load/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Residual strength and deformation recovery of RC beams strengthened with FRPs plates under the sustained load** Page Range: p.119-126 Author(s): Dooyong Cho; Hoseong Jeong; Kyoungbong Han File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103163&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** In this paper, in order to estimate efficacy, creep recovery, and residual strength of Fibre Reinforced Polymers (FRPs) strengthened Reinforced Concrete (RC) beams, long-term flexural experiments and static flexural experiments were carried out. For the long-term experiments, the beams were strengthened with a Carbon Fibre Reinforced Polymer (CFRP) plate and a Glass Fibre Reinforced Polymer (GFRP) plate respectively. The beams were placed under sustained loads for about 550 days. After the 550 days, all of the beams were unloaded for the measurement of deformation recovery. The deflection and strains of rebars and FRPs reinforcements were measures for about 60 days. As the result of long-terms experiment, the beams strengthened with CFRP plate showed a better performance in terms of deflection and strains of rebars. And the strengthened RC beams were very effective in terms of deflection control. Furthermore, the strengthened beams have shown immediate deformation recovery. Through the static flexural experiments, it was shown that the CFRP strengthened beam had high residual strength. It seems that the sustained loads did not affect bond and residual strength of the beams. 7 refs. --- --- Source: https://polymerjournals.com/reliability-design-and-optimization-process-on-through-mold-via-using-ultrafast-laser/ # Reliability design and optimization process on through mold via using ultrafast laser > Title: Reliability design and optimization process on through mold via using ultrafast laser Page Range: p.1-8 Author(s): Hsiang-Chen Hsu; Shih-Jeh Wu; Wen-Fei Lin; Boen Houng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/reliability-design-and-optimization-process-on-through-mold-via-using-ultrafast-laser/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Reliability design and optimization process on through mold via using ultrafast laser** Page Range: p.1-8 Author(s): Hsiang-Chen Hsu; Shih-Jeh Wu; Wen-Fei Lin; Boen Houng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103149&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** In this study, a through mould via (TMV) process using ultrafast Laser has been developed for the interconnection on 3D package-on-package (PoP) application. Epoxy moulding compound (EMC) is a composite material consisted of epoxy resin, filler particles (fused silica) and other constituents. Among these chemical compositions, the size and spatial distribution of fillers on the EMC dominate the sidewall quality on drilled trench. However, random filler leakage on the sidewall leads to an irregular and uneven trench and these drop out fillers become a problem needed to be solved. Faster removal of debris can be achieved by controlling the laser drilling parameters. Parametric studies have been performed to determine the specification of trench and design rule of material. The optimal desmear process on TMV bottom PoP package developed in this study demonstrates the reliability improvement on follow-up sputtering or filling process. 12 refs. --- --- Source: https://polymerjournals.com/direct-and-flexural-shear-strength-of-composite-beam-with-perforbond-rib/ # Direct and flexural shear strength of composite beam with perforbond rib > Title: Direct and flexural shear strength of composite beam with perforbond rib Page Range: p.9-18 Author(s): Dooyong Cho; Jinwoong Choi; Hoseong Jeong File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/direct-and-flexural-shear-strength-of-composite-beam-with-perforbond-rib/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Direct and flexural shear strength of composite beam with perforbond rib** Page Range: p.9-18 Author(s): Dooyong Cho; Jinwoong Choi; Hoseong Jeong File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103150&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** When Perfobond Rib shear connectors are used as flexural materials in structures such as bridges, they show flexural shear behaviour due to external force, rather than direct shear behaviour. The aim of this study is thus to analyse the difference between both behaviours. First, we prepared a specimen to analyse direct shear behaviour using Perfobond Rib shear connectors, analysed the characteristics of behaviour with a push-out test and proposed a formula of shear resistance assessment. Proposed formula shows a relatively good fit with less than 10% error. A flexural shear test was then conducted based on the result of the direct shear test. Based on the static flexural test it analysed the flexural behaviour and the flexural shear stress it calculated. Direct shear stress and EN 1994-1-1 to lead and be calculated, it compared the flexural shear stress and it analysed in about the shear resistance stress which it follows in load direction. Finally, we compared both test results, and the comparison showed that the flexural shear stress is approximately 6% stronger than the direct shear stress. 11 refs. --- --- Source: https://polymerjournals.com/a-study-of-cutting-temperatures-in-turning-carbon-fiber-reinforced-plastic-crfp-composites-with-nose-radius-worn-tools/ # A study of cutting temperatures in turning carbon-fiber-reinforced-plastic (CRFP) composites with nose radius worn tools > Title: A study of cutting temperatures in turning carbon-fiber-reinforced-plastic (CRFP) composites with nose radius worn tools Page Range: p.19-26 Author(s): Chung-Shin Chang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/a-study-of-cutting-temperatures-in-turning-carbon-fiber-reinforced-plastic-crfp-composites-with-nose-radius-worn-tools/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A study of cutting temperatures in turning carbon-fiber-reinforced-plastic (CRFP) composites with nose radius worn tools** Page Range: p.19-26 Author(s): Chung-Shin Chang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103151&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** Nine kinds of carbide nose radius worn tools were used in turning of high-strength carbon-fibre reinforced plastics (CFRP) materials to study the cutting temperature of tip's surface. A new cutting temperature model using the variations of shear and friction plane areas occurring in tool nose wear situations are presented in this paper. The frictional forces and heat generated in the cutting process are calculated by using the measured cutting forces and the theoretical cutting analysis. The heat partition factor between the tip and chip is solved by using the inverse heat transfer analysis, which utilises temperature on the K type carbide tip's surface measured by infrared as the input. The tip's surface temperature is determined by finite element analysis (FEA) and compared with temperatures obtained from experimental measurements. Good agreement demonstrates the proposed model. 15 refs. --- --- Source: https://polymerjournals.com/curing-residual-strain-monitoring-of-carbon-fiber-reinforced-polymer-composite-using-notched-long-period-fiber-grating/ # Curing residual strain monitoring of carbon fiber reinforced polymer composite using notched long-period fiber grating > Title: Curing residual strain monitoring of carbon fiber reinforced polymer composite using notched long-period fiber grating Page Range: p.27-34 Author(s): Ke-Ping Ma; Chao-Wei Wu; Bo-Lan Fang; Chia-Chin Chiang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/curing-residual-strain-monitoring-of-carbon-fiber-reinforced-polymer-composite-using-notched-long-period-fiber-grating/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Curing residual strain monitoring of carbon fiber reinforced polymer composite using notched long-period fiber grating** Page Range: p.27-34 Author(s): Ke-Ping Ma; Chao-Wei Wu; Bo-Lan Fang; Chia-Chin Chiang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103152&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** Composite materials are widely used in the aerospace industry and structural engineering owing to their advantageous mechanical properties. The curing monitoring of composite material is important to ensure the quality of the curing process, especially for the characterisation of residual strains after manufacturing. In this study, we present a notched long-period fibre grating (NLPFG) with a period of 650 mm and a diameter of 66 mm that can be used in the curing monitoring of composite materials. This NLPFG was embedded into the middle layers of composite materials in order to determine the curing residual stress exhibited by the materials. The experimental results showed that the residual stress was about 107 MPa and the axial residual strain was 1490 me. Therefore, the proposed NLPFG has potential as a strain sensor for composite materials. 17 refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-glass-bead-modified-polymer-composite/ # Mechanical properties of glass bead-modified polymer composite > Title: Mechanical properties of glass bead-modified polymer composite Page Range: p.35-44 Author(s): Tsung-Han Hsieh; Ming-Yuan Shen; Yau-Shian Huang; Qi-Qian He; Hsuan-Chih Chen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/mechanical-properties-of-glass-bead-modified-polymer-composite/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical properties of glass bead-modified polymer composite** Page Range: p.35-44 Author(s): Tsung-Han Hsieh; Ming-Yuan Shen; Yau-Shian Huang; Qi-Qian He; Hsuan-Chih Chen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103153&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** This present work investigated the adhesive effect of the material properties and fracture toughness of a thermosetting epoxy polymer modified with micron-sized glass beads. Various surface treatments were used to modify the surfaces of the glass beads in order to consider the effect of the glass bead particle/ epoxy adhesion on the material properties and toughness of the polymer-based composites. Adding glass beads into polymer resulted in an increase in the modulus. The maximum value of the modulus was obtained for the polymer composite modified with well-bonded glass beads. The addition of the glass beads to polymers leads to a significant improvement in the fracture toughness. The particle/ matrix adhesion strongly affects the toughness of the glass bead-modified polymers. The coupling agent silane treatment and release agent Frekote treatment caused well-bonded particles and poorly-bonded particles with the epoxy matrix. Both of the surface treatments result in a significant increase in the toughening performance. Toughening mechanisms of plastic void growth and crack deflection caused by the addition of the glass beads were found on the fracture surfaces of the tested specimens. 20 refs. --- --- Source: https://polymerjournals.com/the-effect-of-mbs-toughening-for-mechanical-properties-of-wood-plastic-composites-under-environmental-ageing/ # The effect of MBS toughening for mechanical properties of wood-plastic composites under environmental ageing > Title: The effect of MBS toughening for mechanical properties of wood-plastic composites under environmental ageing Page Range: p.45-58 Author(s): Chin-Hsing Chen; Chin-Lung Chiang; Wei-Jen Chen; Ming-Yuan Shen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/the-effect-of-mbs-toughening-for-mechanical-properties-of-wood-plastic-composites-under-environmental-ageing/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The effect of MBS toughening for mechanical properties of wood-plastic composites under environmental ageing** Page Range: p.45-58 Author(s): Chin-Hsing Chen; Chin-Lung Chiang; Wei-Jen Chen; Ming-Yuan Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103154&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** Wood-plastic composites (WPCs) are a promising environmentally friendly material refers to composite that contain plant powders or fibres as reinforcement and plastic matrix. In this study, an epoxy resin and Methyl metharylate-Butadiene-Styrene Copolymer (MBS) were used as a compatibiliser and toughener and were filled into recycled polyethylene terephthalate (PET) and recycled polyamide 6 (PA6) blends (PET/PA6) and filled with wood flour to prepare the WPCs. The mechanical properties of the WPCs, including the tensile, flexural, and impact properties, with different mixing ratio polymer blends of PET to PA6 (E60/A40, E50/A50, and E40/A60) were investigated under different environmental ageing conditions. The experimental results showed that different environmental conditions, such as temperature and humidity, markedly changed the mechanical properties of the WPCs with different mixing ratio polymer blends. In addition, the mechanisms responsible for the interface of the WPCs were identified by studying the fracture surfaces with field emission scanning electron microscopy. 19 refs. --- --- Source: https://polymerjournals.com/characterization-and-properties-of-graphene-nanoplatelets-xnbr-nanocomposites/ # Characterization and properties of graphene nanoplatelets/XNBR nanocomposites > Title: Characterization and properties of graphene nanoplatelets/XNBR nanocomposites Page Range: p.59-68 Author(s): Chen-Feng Kuan; Chin-Lung Chiang; Su-Hsia Lin; Wei-Guo Huang; Wen-Yen Hsieh; Ming-Yuan Shen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/characterization-and-properties-of-graphene-nanoplatelets-xnbr-nanocomposites/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Characterization and properties of graphene nanoplatelets/XNBR nanocomposites** Page Range: p.59-68 Author(s): Chen-Feng Kuan; Chin-Lung Chiang; Su-Hsia Lin; Wei-Guo Huang; Wen-Yen Hsieh; Ming-Yuan Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103155&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** Graphene nanoplatelets (GNPs) are two-dimensional carbon structure materials with single or multilayers graphite plane which possesses attractive characteristics including high electrical conductivity, high modulus, high strength, high thermal conductivity and high specific surface area. In this study, the GNPs were modified by maleic anhydride (MA) and vinyltrimethoxysilane (VTMOS), and then reinforced carboxy NBR (XNBR) to prepare GNPs/nitrile rubber (XNBR) nanocomposites. The modified GNPs were characterised by Fourier Transform Infrared Spectrometry (FT-IR), Raman spectroscopy. The properties of GNPs/XNBR nanocomposite such as thermogravimetric analysis (TGA), thermal conductivity and mechanical properties were investigated. The experimental results show that the successful modification of GNPs can improve the properties of the nanocomposites. 21 refs. --- --- Source: https://polymerjournals.com/combined-temperature-and-moisture-effect-on-the-monotonic-and-fatigue-strengths-of-sandwich-beams-with-glass-polypropylene-faces-and-aluminum-foam-cores/ # Combined temperature and moisture effect on the monotonic and fatigue strengths of sandwich beams with glass-polypropylene faces and aluminum foam cores > Title: Combined temperature and moisture effect on the monotonic and fatigue strengths of sandwich beams with glass-polypropylene faces and aluminum foam cores Page Range: p.69-78 Author(s): Yi-Ming Jen; Chia-Wei Chang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/combined-temperature-and-moisture-effect-on-the-monotonic-and-fatigue-strengths-of-sandwich-beams-with-glass-polypropylene-faces-and-aluminum-foam-cores/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Combined temperature and moisture effect on the monotonic and fatigue strengths of sandwich beams with glass-polypropylene faces and aluminum foam cores** Page Range: p.69-78 Author(s): Yi-Ming Jen; Chia-Wei Chang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103156&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** Recently, the sandwich structures with thermoplastic faces and metal foam cores have been received much attention in the automobile, aerospace and naval industries. Since the material properties of the polymer-based faces and adhesive films employed in the sandwich structures are sensitive to the temperature and humidity, the knowledge of the environmental effect on the mechanical properties are important to the design and application of such structures. Therefore, the hygrothermal effect on the static and fatigue bending strengths of the sandwich beams with glass-polypropylene faces and aluminium foam cores were experimentally analysed in the present study. The monotonic and cyclic four-point bending tests were conducted under four environmental conditions, i.e., 25 deg. C/45% RH, 25 deg. C/75% RH, 50 deg. C/45% RH, and 50 deg. C/75% RH, to evaluate the influence of combined temperature and humidity on the strengths against the static and cyclic flexural loads. Experimental results show that the humidity has tiny effect on the static and fatigue strengths when the specimens were tested at fixed temperature. However, the temperature plays an important role in the environmental effect because the monotonic and fatigue strengths of the studied sandwich specimens decrease significantly when the ambient temperature rises from 25 to 50 deg. C. Furthermore, under four considered environmental conditions, two crack systems, the core shear ones and the face/core interfacial ones, were observed both in the monotonic and cyclic tests. The development of interfacial cracks strongly depends on the environmental variables. Accordingly the interfacial cracks play an important role in the static and fatigue strengths of the studied sandwich structures. 37 refs. --- --- Source: https://polymerjournals.com/nonlinear-dynamic-characteristics-of-pzt-polymer-gripper/ # Nonlinear dynamic characteristics of PZT/polymer gripper > Title: Nonlinear dynamic characteristics of PZT/polymer gripper Page Range: p.79-84 Author(s): Jia Xu; Yi-Ran Li; Hai-Bo Wang; Zhi-Wen Zhu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No:... Canonical URL: https://polymerjournals.com/nonlinear-dynamic-characteristics-of-pzt-polymer-gripper/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Nonlinear dynamic characteristics of PZT/polymer gripper** Page Range: p.79-84 Author(s): Jia Xu; Yi-Ran Li; Hai-Bo Wang; Zhi-Wen Zhu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103157&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** A kind of PZT/polymer gripper is proposed in this paper and its nonlinear dynamic response in bounded noise is described. In this paper, a polymer piezoelectric material is applied in gripper to substitute the traditional PZT to improve the response range. Nonlinear differential items are introduced to interpret the hysteretic phenomena of the PZT/polymer piezoelectric composites material, and the nonlinear dynamic model of the PZT/polymer gripper in bounded noise is developed. The dynamic response of the system is obtained, and the bifurcation characteristics of the system are analysed. The results of numerical simulation and experiments show that the stochastic noise intensity has important influence on the system's dynamical response, and the stochastic resonance phenomenon occurs with the stochastic noise intensity variety. 11 refs. --- --- Source: https://polymerjournals.com/enhancement-mechanism-for-carbohydrate-polymer-green-lubricant/ # Enhancement mechanism for carbohydrate polymer green lubricant > Title: Enhancement mechanism for carbohydrate polymer green lubricant Page Range: p.85-90 Author(s): Shih-Chen Shi; Jhen-Yu Wu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 Abstract The... Canonical URL: https://polymerjournals.com/enhancement-mechanism-for-carbohydrate-polymer-green-lubricant/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Enhancement mechanism for carbohydrate polymer green lubricant** Page Range: p.85-90 Author(s): Shih-Chen Shi; Jhen-Yu Wu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103158&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** The objective of this study was to investigate a mechanism for enhancing the tribological properties of a green polymer material using MoS2, which is a common material with good tribological qualities. In this study, MoS2 nanoparticles were added to the biopolymer Hydroxypropyl Methylcellulose, obtaining an evident enhancement of the tribological behaviour. The suitable content of MoS2 can provide the best structure of the composite film and optimise the transfer layer, and further enhance the tribological properties. The addition of 5-10% MoS2 particles to the polymer can improve the surface roughness up to 60%, reduce the friction coefficient of the thin-film material by more than 40% and reduce the wear rate of the substrate by 65%. The mechanism by which MoS2 additives enhance the tribological properties of the biopolymer material lies in the reduction of the run-in time in the initial stage of wear by modifying the surface roughness. This effect accelerates the formation of a transfer layer of good quality and provides good tribological properties. 18 refs. --- --- Source: https://polymerjournals.com/design-and-simulation-analysis-of-lightweight-hdpe-milk-bottle/ # Design and simulation analysis of lightweight HDPE milk bottle > Title: Design and simulation analysis of lightweight HDPE milk bottle Page Range: p.91-98 Author(s): Hsing-Hui Huang; Li-Wen Chen; Wei-Hua Lu; Wei-Cheng Lin; Yung-Chuan Chen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/design-and-simulation-analysis-of-lightweight-hdpe-milk-bottle/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Design and simulation analysis of lightweight HDPE milk bottle** Page Range: p.91-98 Author(s): Hsing-Hui Huang; Li-Wen Chen; Wei-Hua Lu; Wei-Cheng Lin; Yung-Chuan Chen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103159&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** A lightweight design is proposed for a 2800 ml HDPE milk bottle. In designing the bottle, a threedimensional elastic-plastic dynamic finite element model is first constructed to explore the effect of the bottle thickness on the critical load and stress distribution. The validity of the proposed model is confirmed by comparing the numerical results for the load-displacement response of the bottle with the experimental results. A parametric analysis is then performed to examine the effects of the body thickness and bottom thickness on the critical load and weight of the HDPE bottle. The results show that the critical load increases with an increasing body thickness, but is insensitive to the bottom thickness. Finally, a lightweight design is proposed in which the structural shape of the original bottle is retained, but the thickness is varied in different regions of the body in order to reduce the weight. It is shown that the redesigned bottle achieves the same maximum top-load 315 N, but reduces the weight by 21.4% compared to the reference design obtained in the parametric analysis. 9 refs. --- --- Source: https://polymerjournals.com/mechanical-property-of-multiwall-carbon-nanotube-reinforced-polymer-composites/ # Mechanical property of multiwall carbon nanotube reinforced polymer composites > Title: Mechanical property of multiwall carbon nanotube reinforced polymer composites Page Range: p.99-104 Author(s): Chao-Kai Yang; Yu-Roung Lee; Tsung-Han Hsieh; Tao-Hsing Chen; Tsung-Chieh Cheng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/mechanical-property-of-multiwall-carbon-nanotube-reinforced-polymer-composites/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical property of multiwall carbon nanotube reinforced polymer composites** Page Range: p.99-104 Author(s): Chao-Kai Yang; Yu-Roung Lee; Tsung-Han Hsieh; Tao-Hsing Chen; Tsung-Chieh Cheng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103160&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** This study investigates the multiwalled carbon nanotube as potential mechanical reinforcement in epoxy polymer. It is found that, by adding various concentrations of nanotube, both flow stress and fracture strain increased. Furthermore, the presences of the multiwalled carbon nanotubes are found to nucleate crystallisation in the epoxy. This crystal growth is thought to enhance the strength of composite. The fracture surface analysis of the composite reinforced by carbon nanotube is used the scanning electron microscopy. 16 refs. --- --- Source: https://polymerjournals.com/design-of-radar-absorbing-structures-utilizing-carbon-based-polymer-composites/ # Design of radar absorbing structures utilizing carbon-based polymer composites > Title: Design of radar absorbing structures utilizing carbon-based polymer composites Page Range: p.105-110 Author(s): Sang-Young Kim; Sung-Soo Kim File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1... Canonical URL: https://polymerjournals.com/design-of-radar-absorbing-structures-utilizing-carbon-based-polymer-composites/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Design of radar absorbing structures utilizing carbon-based polymer composites** Page Range: p.105-110 Author(s): Sang-Young Kim; Sung-Soo Kim File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103161&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** Radar absorbing structure (RAS) is a composite laminate with a low reflection coefficient for the electromagnetic illumination in microwave frequency range, and thereby can be used in the stealth technology and electromagnetic compatibility (EMC). In this study, microwave absorbing properties of a two-layer composite laminate (carbon black impregnated rubber sheet attached to the carbon fibre-epoxy composite panel) has been investigated. Complex permittivity and permeability of the composite materials were measured in C- and X-band frequencies (4-12 GHz) by reflection/transmission technique using a coaxial waveguide and network analyser. Complex permittivity can be controlled with the amount of carbon black in the rubber composite. High values of dielectric constant and dielectric loss are observed in the carbon fibre composite. Optimisation of microwave absorption is conducted for the two-layer RAS on the basis of transmission line theory. It is found that microwave absorption is strongly sensitive to carbon black content in the rubber composite and its layer thickness. For the rubber sheet containing 10% carbon black (with dielectric constant >>5), the maximum microwave absorption (30 dB) is predicted at 10 GHz. 17 refs. --- --- Source: https://polymerjournals.com/shear-strength-of-concrete-wide-beams-shear-reinforced-with-gfrp-plates/ # Shear strength of concrete wide beams shear reinforced with GFRP plates > Title: Shear strength of concrete wide beams shear reinforced with GFRP plates Page Range: p.111-118 Author(s): Min Sook Kim; Joowon Kang; Young Hak Lee File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/shear-strength-of-concrete-wide-beams-shear-reinforced-with-gfrp-plates/ Published: 2018-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Shear strength of concrete wide beams shear reinforced with GFRP plates** Page Range: p.111-118 Author(s): Min Sook Kim; Joowon Kang; Young Hak Lee File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc26-1&JournalID=103162&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 26 Issue No: No.1 **Abstract** This paper discusses the experimental results on the shear behaviour of concrete wide beams reinforced with glass fibre reinforced polymer (GFRP) plates as shear reinforcement. In order to examine the shear performance, a total of six concrete wide beams were manufactured and tested. All the specimens were designed to have the same number of legs of shear reinforcement. The transverse spacing of shear reinforcement was considered as a variable to investigate the influence of transverse spacing of concrete wide beams. From the test results, it is observed that the shear strength increased when transverse spacing of the shear reinforcement decreased. In addition, an equation is proposed to predict the shear strength of concrete wide beams in order to consider the influence of transverse spacing of the shear reinforcement. The equation is based on the test results and modified ACI 318-14. It is verified that the proposed equation is considered to be better than ACI 318-14. 7 refs. --- --- Source: https://polymerjournals.com/pull-speed-influence-on-fiber-compaction-and-wetout-in-tapered-resin-injection-pultrusion-manufacturing/ # Pull speed influence on fiber compaction and wetout in tapered resin injection pultrusion manufacturing > Title: Pull speed influence on fiber compaction and wetout in tapered resin injection pultrusion manufacturing Page Range: p.419-434 Author(s): Masuram N B; Roux J A; Jeswani A L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/pull-speed-influence-on-fiber-compaction-and-wetout-in-tapered-resin-injection-pultrusion-manufacturing/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Pull speed influence on fiber compaction and wetout in tapered resin injection pultrusion manufacturing** Page Range: p.419-434 Author(s): Masuram N B; Roux J A; Jeswani A L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103024&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** In the resin injection pultrusion process (RIP), liquid resin is injected into the tapered injection chamber through the injection slots to completely wetout continuously pulled fibres. As the resin penetrates through the fibres, the resin also pushes the fibres away from the wall towards the centerline, causing compaction of the fibre reinforcements. The fibres are squeezed together due to compaction, making resin penetration more difficult; thus at low resin injection pressures, the resin cannot effectively penetrate through the fibres to achieve complete wetout. However, if the resin injection pressure is too high, the fibres are squeezed together to such an extent that even greater injection pressure is necessary to wetout the compacted fibres. The design of the injection chamber significantly affects the minimum injection pressure required to wetout the fibre reinforcements. A tapered injection chamber is considered such that wetout occurs at lower injection pressures due to the taper angle of the injection chamber. In this study, the effect of fibre pull speed on the fibre reinforcement compaction and complete fibre wetout for a tapered injection chamber is investigated. 16 Refs. --- --- Source: https://polymerjournals.com/experimental-studies-of-stiffness-degradation-and-dissipated-energy-in-glass-fibre-reinforced-polymer-composite-under-fatigue-loading/ # Experimental studies of stiffness degradation and dissipated energy in glass fibre reinforced polymer composite under fatigue loading > Title: Experimental studies of stiffness degradation and dissipated energy in glass fibre reinforced polymer composite under fatigue loading Page Range: p.435-446 Author(s): Ospina Cadavid M; Al-Khudairi O; Hadavinia H; Goodwin D; Liaghat G H File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/experimental-studies-of-stiffness-degradation-and-dissipated-energy-in-glass-fibre-reinforced-polymer-composite-under-fatigue-loading/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Experimental studies of stiffness degradation and dissipated energy in glass fibre reinforced polymer composite under fatigue loading** Page Range: p.435-446 Author(s): Ospina Cadavid M; Al-Khudairi O; Hadavinia H; Goodwin D; Liaghat G H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103025&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** In this work, tensile and compressive properties and fatigue performances of laminated glass fibre-reinforced polymer (GFRP) composite under constant amplitude sinusoidal load control at frequency of 5 Hz and at room temperature were investigated for three different types of loading: tension-tension at R=0.1 and 0.5, reverse loading tension-compression at R=-1 and compression-compression at R=2 and 10 in the fibre and normal-to-fibre directions. From these series of tests, the corresponding S-N diagrams were obtained. The dynamic stiffness during fatigue loading showed classical degradation of the GFRP laminates. It was observed that the dynamic modulus decreased with time, and the hysteresis loop area changed with some distortion according to the loading conditions. Finally hysteresis loops throughout fatigue testing were examined, and the variation of energy dissipated per cycle throughout the specimen lifetime was quantified. It was demonstrated that the dissipated energy during the fatigue lifetime is dependent on R-ratio and fibre orientation. However, in majority of the cases, the energy dissipated per cycle near the end of the fatigue lifetime increases as a result of an increase in the area captured by hysteresis loops. 25 Refs. --- --- Source: https://polymerjournals.com/thermal-diffusivity-of-copper-linear-low-density-polyethylene-composites/ # Thermal diffusivity of copper/linear-low-density polyethylene composites > Title: Thermal diffusivity of copper/linear-low-density polyethylene composites Page Range: p.447-452 Author(s): Carson J K; Mohamed Alsowailem File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 Abstract The... Canonical URL: https://polymerjournals.com/thermal-diffusivity-of-copper-linear-low-density-polyethylene-composites/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Thermal diffusivity of copper/linear-low-density polyethylene composites** Page Range: p.447-452 Author(s): Carson J K; Mohamed Alsowailem File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103026&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** The thermal diffusivities of copper/linear-low-density polyethylene (Cu/LLDPE) composites were measured relative to the thermal diffusivity of pure LLDPE. The relative thermal diffusivities were similar to those obtained for copper/high-density polyethylene composites, but were noticeably different from estimated values derived from thermal conductivity, density and specific heat capacity data for Cu/LLDPE from the literature. The thermal diffusivity of the composite material initially decreased below that of the pure polymer with the addition of a small amount of copper, before increasing above it as more was added. There would appear to be marginal or no benefit from adding less than about 15 to 20% metal by volume to a polymer, since the relative increase in thermal diffusivity only becomes significant for greater volumes. 24 Refs. --- --- Source: https://polymerjournals.com/the-mechanical-and-optical-properties-of-injection-moulded-pmma-filled-with-glass-particles-of-a-matching-refractive-index/ # The mechanical and optical properties of injection-moulded PMMA, filled with glass particles of a matching refractive index > Title: The mechanical and optical properties of injection-moulded PMMA, filled with glass particles of a matching refractive index Page Range: p.453-462 Author(s): Wildner W; Drummer D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/the-mechanical-and-optical-properties-of-injection-moulded-pmma-filled-with-glass-particles-of-a-matching-refractive-index/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The mechanical and optical properties of injection-moulded PMMA, filled with glass particles of a matching refractive index** Page Range: p.453-462 Author(s): Wildner W; Drummer D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103027&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** In this paper, the optical and mechanical properties of injection-moulded plates (thickness: 1 mm) made of poly(methyl methacrylate) (PMMA) and glass particles as filler with a matching refractive index are investigated. Tests show that the orientation resulting from the injection moulding process greatly affects the tensile strength and elongation at break, whereas the elastic modulus merely depends on the filling degree, which is investigated up to 13 vol.%. In terms of the optical properties, the specimens' haze depends on the difference in the refractive index between a glass and polymer. However, the absolute value of haze increases with increasing filling degree and decreasing particle size. Surface defects resulting from the injection moulding process were found to be the primary reason for this haze, even with identical RI between PMMA and glass. 29 Refs. --- --- Source: https://polymerjournals.com/effect-of-sisal-fibre-hybridisation-on-static-and-dynamic-mechanical-properties-of-corn-sisal-polylactide-composites/ # Effect of sisal fibre hybridisation on static and dynamic mechanical properties of corn/sisal/polylactide composites > Title: Effect of sisal fibre hybridisation on static and dynamic mechanical properties of corn/sisal/polylactide composites Page Range: p.463-470 Author(s): Honglin Luo; Dehui Ji; Guangyao Xiong; Lingling Xiong; Chuanyin Zhang; Yong Zhu; Yizao Wan File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/effect-of-sisal-fibre-hybridisation-on-static-and-dynamic-mechanical-properties-of-corn-sisal-polylactide-composites/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of sisal fibre hybridisation on static and dynamic mechanical properties of corn/sisal/polylactide composites** Page Range: p.463-470 Author(s): Honglin Luo; Dehui Ji; Guangyao Xiong; Lingling Xiong; Chuanyin Zhang; Yong Zhu; Yizao Wan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103028&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** The relatively poor mechanical properties of corn fibre (CF) and its green composites have hindered its applications. In this work, sisal fibre (SF) was hybridised with CF to reinforce polylactide (PLA) composites (CF/SF/PLA). The static mechanical properties such as tensile, flexural and impact strengths and dynamic mechanical properties such as storage modulus (E'), damping behaviour (tan,), glass transition temperature (Tg) of the hybrid composites were determined and, for the first time, hybrid effects on both static and dynamic mechanical properties were evaluated. It is found that the tensile, flexural, impact strengths, and E' and tan peak height, as well as the hybrid effects change with hybrid ratio (SF:CF). It is demonstrated that a hybrid composite with desirable static and dynamic mechanical properties can be produced by optimising the fibre:hybrid ratio. 34 Refs. --- --- Source: https://polymerjournals.com/auto-hybridization-of-polyethylene-maple-composites-the-effect-of-fiber-size-and-concentration/ # Auto-hybridization of polyethylene/maple composites: the effect of fiber size and concentration > Title: Auto-hybridization of polyethylene/maple composites: the effect of fiber size and concentration Page Range: p.471-482 Author(s): Rodriguez-Castellanos W; Rodrigue D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue... Canonical URL: https://polymerjournals.com/auto-hybridization-of-polyethylene-maple-composites-the-effect-of-fiber-size-and-concentration/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Auto-hybridization of polyethylene/maple composites: the effect of fiber size and concentration** Page Range: p.471-482 Author(s): Rodriguez-Castellanos W; Rodrigue D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103029&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** This work investigated the effect of maple fibre size and content on the auto-hybridisation of linear low density polyethylene (LLDPE) composites. The samples were compounded by twin-screw extrusion and moulded by compression moulding. Different fibre loadings (5 to 20% wt.), fibre sizes (0-425 microns) and size ratios (30/70, 50/50, 70/30 of short, medium, and long fibres) were used to prepare the auto-hybrid composites with 3% of coupling agent (maleated polyethylene). Micrographs and impact strength results showed that the fracture in auto-hybrid composites is mostly dependent on the longer fibres. At 10% wt. the optimum ratio was 30/70 of shorter/longer fibres, which improved tensile strength (20%), tensile modulus (20%), and impact strength (13%) compared with composites with a single fibre size. But at 20% wt., tensile modulus increased by 30% and torsion modulus by 40% above the rule of hybrid mixtures (RoHM) at a 70/30 ratio of shorter/longer fibres. 68 Refs. --- --- Source: https://polymerjournals.com/facile-synthesis-of-core-shell-structured-cuspani-microspheres-and-electrochemical-capacitance-investigations/ # Facile synthesis of core-shell structured CuS@PANI microspheres and electrochemical capacitance investigations > Title: Facile synthesis of core-shell structured CuS@PANI microspheres and electrochemical capacitance investigations Page Range: p.483-488 Author(s): Chunnian Chen; Qi Zhang; Chengyang Peng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/facile-synthesis-of-core-shell-structured-cuspani-microspheres-and-electrochemical-capacitance-investigations/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Facile synthesis of core-shell structured CuS@PANI microspheres and electrochemical capacitance investigations** Page Range: p.483-488 Author(s): Chunnian Chen; Qi Zhang; Chengyang Peng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103030&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** A core-shelled structure CuS@PANI composite microsphere was successfully synthesised via chemical oxidative polymerisation procedure and the electrochemical performance was investigated. The as-prepared composites were characterised by FE-SEM, TEM and XRD, and their particulate structure has been confirmed. Interestingly, the CuS microsphere was not a whole solid but composed of several sheet-like subunits, and the PANI was loosely-coated on the surface of spherical CuS particles. The advantage of this kind of core-shell structure is that PANI has better conductivity, which favours the electronic conductive channels to the CuS cores. Moreover, the loosely-attached PANI could buffer the disadvantages of the volume changes of CuS during the charge-discharge process. The galvanostatic charge/discharge profile shows a specific capacitance of 308.1 F g-1 at a current density of 0.5 A g-1 and the composite retained 71.6% of its initial capacitance after 1000 cycles at a current density of 1 A g-1. 19 Refs. --- --- Source: https://polymerjournals.com/halloysite-with-iron-oxide-inclusions-as-a-soft-ferromagnetic-filler-for-polymer-composites/ # Halloysite with iron oxide inclusions as a soft ferromagnetic filler for polymer composites > Title: Halloysite with iron oxide inclusions as a soft ferromagnetic filler for polymer composites Page Range: p.489-494 Author(s): Stanislaw Frackowiak; Ludwiczak J; Leluk K; Kozlowski M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/halloysite-with-iron-oxide-inclusions-as-a-soft-ferromagnetic-filler-for-polymer-composites/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Halloysite with iron oxide inclusions as a soft ferromagnetic filler for polymer composites** Page Range: p.489-494 Author(s): Stanislaw Frackowiak; Ludwiczak J; Leluk K; Kozlowski M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103031&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** Natural mineral fillers for polymer composites have frequently been investigated as cheap and easily obtainable alternatives to carbon nanotubes or synthetic short fibres. In this paper we have investigated a natural product from a deposit located in Poland and containing halloysite clay and ferromagnetic particles as main components. In order to assess the homogeneity and possible application fields of polyethylene-based composites prepared from these materials, the composites were evaluated by studying their melt rheology, mechanical properties, wetting, magnetic properties and surface morphology. 13 Refs. --- --- Source: https://polymerjournals.com/studies-on-crystallization-and-melting-behaviors-of-uhmwpe-mwnts-nanocomposites-with-reduced-chain-entanglements/ # Studies on crystallization and melting behaviors of UHMWPE/MWNTs nanocomposites with reduced chain entanglements > Title: Studies on crystallization and melting behaviors of UHMWPE/MWNTs nanocomposites with reduced chain entanglements Page Range: p.495-506 Author(s): Guoyong Xu; Qingren Zhu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/studies-on-crystallization-and-melting-behaviors-of-uhmwpe-mwnts-nanocomposites-with-reduced-chain-entanglements/ Published: 2017-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Studies on crystallization and melting behaviors of UHMWPE/MWNTs nanocomposites with reduced chain entanglements** Page Range: p.495-506 Author(s): Guoyong Xu; Qingren Zhu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-6&JournalID=103032&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.6 **Abstract** The nonisothermal crystallisation and melting behaviour of UHMWPE (ultra-high molecular weight polyethylene)/ MWNTs (multi-walled carbon nanotubes) nanocomposites with reduced chain entanglements was studied using differential scanning calorimetry (DSC) technique. The Ozawa approach failed to describe the crystallisation behaviour of nanocomposites, whereas the modified Avrami analysis could explain the behaviour of UHMWPE/ MWNTs nanocomposite to some extent. A novel kinetic model by Liu et al. was able to satisfactorily describe the crystallisation behaviour of UHMWPE/MWNTs nanocomposites. The Dobreva and Kissinger methods failed to calculate the nucleation activity and activation energy, respectively, for the UHMWPE/MWNTs systems. Also the Vyazovkin model-free kinetic method was applied to nonisothermal crystallisation to evaluate the dependence of the effective activation energy on conversion and temperature. 30 Refs. --- --- Source: https://polymerjournals.com/analytical-modelling-of-textile-parameters-and-draping-behaviour-of-2d-biaxial-braided-sleevings/ # Analytical modelling of textile parameters and draping behaviour of 2D biaxial braided sleevings > Title: Analytical modelling of textile parameters and draping behaviour of 2D biaxial braided sleevings Page Range: p.315-326 Author(s): Schillfahrt C; Schledjewski R File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/analytical-modelling-of-textile-parameters-and-draping-behaviour-of-2d-biaxial-braided-sleevings/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Analytical modelling of textile parameters and draping behaviour of 2D biaxial braided sleevings** Page Range: p.315-326 Author(s): Schillfahrt C; Schledjewski R File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103013&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** Biaxial braided sleevings are commonly used for producing hollow complex-shaped composite parts through bladder inflation moulding. To enable feasibility analyses, part design and the prediction of mechanical properties of the resulting fibre-reinforced component, various geometrical and weight-related parameters of the braided fabric in its draped state must be known, such as fibre orientation, fibre volume fraction and areal weight. In the present work, a comprehensive analytical model describing fabric formation, preform architecture and weight as well as the change of relevant textile parameters of a biaxial braided sleeving during draping is established. The principal modelling approach is based on sporadic investigations found in literature and was substantially expanded to compile an extensive collection of relationships for the utilisation in a sleeving-on preforming process. Furthermore, a critical overview about the state of the art in the area of geometrical modelling of tubular 2D braided structures and a comparison of the identified procedures in regard to the desired application is given. 43 Refs. --- --- Source: https://polymerjournals.com/uv-effects-on-the-tensile-and-creep-behaviour-of-hdpe/ # UV effects on the tensile and creep behaviour of HDPE > Title: UV effects on the tensile and creep behaviour of HDPE Page Range: p.327-332 Author(s): Becerra A F C; d'Almeida J R M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/uv-effects-on-the-tensile-and-creep-behaviour-of-hdpe/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: UV effects on the tensile and creep behaviour of HDPE** Page Range: p.327-332 Author(s): Becerra A F C; d'Almeida J R M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103014&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** The tensile and creep behaviour of a high-density polyethylene grade used to manufacture pipes were evaluated as a function of the time of exposure to UV radiation. The effect of the creep stress level was also analysed. A threshold radiation dose was determined, above which UV radiation causes loss of the macroscopic mechanical behaviour for this particular HDPE grade. Below the threshold value, macromolecular modifications were also taking place, but the deleterious effect of UV radiation was masked by the development of a more rigid structure. Scanning electron microscopy, melt flow index and thermogravimetric analysis were used to support the results of the mechanical analysis. 17 Refs. --- --- Source: https://polymerjournals.com/behaviour-of-hybrid-sic-jute-epoxy-composites-manufactured-by-vacuum-assisted-resin-infusion/ # Behaviour of hybrid SiC/jute epoxy composites manufactured by vacuum assisted resin infusion > Title: Behaviour of hybrid SiC/jute epoxy composites manufactured by vacuum assisted resin infusion Page Range: p.333-344 Author(s): Noha Ramadan; Iman Taha; Rawia Hammouda; Abdellatif M H File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/behaviour-of-hybrid-sic-jute-epoxy-composites-manufactured-by-vacuum-assisted-resin-infusion/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Behaviour of hybrid SiC/jute epoxy composites manufactured by vacuum assisted resin infusion** Page Range: p.333-344 Author(s): Noha Ramadan; Iman Taha; Rawia Hammouda; Abdellatif M H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103015&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** Natural fibre-reinforced polymer composites are standing in the limelight of investigations due to their light weight and availability from natural and renewable resources. Improved mechanical and physical behaviour is targeted through hybridisation with other reinforcing elements. This study investigates the potential of adding silicon carbide particles at volume contents ranging between 2 and 8% to jute fabric-reinforced epoxy composite to produce such hybrid composites. In contrast to the commonly applied processing technique of hand layup used to produce natural fibre-reinforced laminates, the vacuum-assisted resin infusion method was applied in this study to produce high quality laminates. Samples were tested for their mechanical behaviour through tensile, flexural and impact tests. Scanning electron microscopy was further performed to analyse the modes of failure of the composites. Finally, erosion tests were conducted, by directly sanding the hybrid composite samples to evaluate their erosion wear resistance. Results indicated that the addition of particles had a significant effect on the tensile, flexural, impact and erosion wear behaviour of the composites under investigation. Hybrid composites reinforced with 4 vol.% SiC exhibited acceptable mechanical properties. The behaviour was found to deteriorate at SiC contents beyond 4 vol.%. 32 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterisation-of-novel-thiophene-based-azomethine-polymers-and-study-of-their-liquid-crystalline-electrochemical-and-optoelectronic-properties/ # Synthesis and characterisation of novel thiophene based azomethine polymers and study of their liquid crystalline, electrochemical and optoelectronic properties > Title: Synthesis and characterisation of novel thiophene based azomethine polymers and study of their liquid crystalline, electrochemical and optoelectronic properties Page Range: p.345-362 Author(s): Omer Yasin Al-Janabi; Foot P J S; Emaad Taha Al-Tikrity; Spearman P File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/synthesis-and-characterisation-of-novel-thiophene-based-azomethine-polymers-and-study-of-their-liquid-crystalline-electrochemical-and-optoelectronic-properties/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Synthesis and characterisation of novel thiophene based azomethine polymers and study of their liquid crystalline, electrochemical and optoelectronic properties** Page Range: p.345-362 Author(s): Omer Yasin Al-Janabi; Foot P J S; Emaad Taha Al-Tikrity; Spearman P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103016&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** This work reports the synthesis, structural characterisation, liquid crystallinity, luminescence and electroluminescence of novel thiophene azomethine polymers. The polymers under study were prepared via oxidative polymerisation of four novel monomers at room temperature using iron (III) chloride. The chemical structures of the prepared monomers and polymers were confirmed by infrared and 1H and 13C NMR spectroscopy. Molecular masses were determined for monomers and polymers by gas/liquid chromatography-mass spectrometry (GC/LC-MS) and by gel-permeation (size exclusion) chromatography (SEC), respectively. Thermal stability studies of the prepared materials were achieved by thermogravimetric analysis (TGA), and the onset of weight loss To and the endset Tmax were calculated from the thermograms. Liquid crystalline mesophases and phase changes of the monomers and polymers were studied by differential scanning calorimetry (DSC) and polarised optical microscopy (POM), and the glass transition temperatures Tg of the polymers were determined from the DSC curves. The electrochemical band gaps, HOMO and LUMO energy levels were measured by cyclic voltammetry. UV-visible absorption-emission spectra (liquid and solid films) of the polymers were obtained at room temperature with different solvents. Optical band gaps were calculated from the absorption edges, and were in good agreement with those estimated from cyclic voltammetry. Mixing the polymers with lanthanide salts such as EuCl3 and YbCl3 gave modified fluorescence, and the light emitted was much more intense than that from the pure polymers. Polymer based light-emitting diodes (PLEDs) were fabricated by spin coating, and their current-voltage characteristics were measured. In preliminary work, the polymer devices were found to produce electroluminescent spectra similar to the PL spectra of the corresponding samples. Molecular modelling studies were performed both on polymer segments and monomer molecules; the absorption spectra of the prepared polymers, HOMO and LUMO energy levels were calculated with ZINDO using AMI geometry optimisation. 25 Refs. --- --- Source: https://polymerjournals.com/vinyl-ester-resin-modified-with-acrylated-epoxidised-soybean-aeso-and-linseed-aelo-oils-effect-of-additional-urethane-crosslinking/ # Vinyl ester resin modified with acrylated epoxidised soybean (AESO) and linseed (AELO) oils: effect of additional urethane crosslinking > Title: Vinyl ester resin modified with acrylated epoxidised soybean (AESO) and linseed (AELO) oils: effect of additional urethane crosslinking Page Range: p.363-370 Author(s): Grishchuk S; Karger-Kocsis J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/vinyl-ester-resin-modified-with-acrylated-epoxidised-soybean-aeso-and-linseed-aelo-oils-effect-of-additional-urethane-crosslinking/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Vinyl ester resin modified with acrylated epoxidised soybean (AESO) and linseed (AELO) oils: effect of additional urethane crosslinking** Page Range: p.363-370 Author(s): Grishchuk S; Karger-Kocsis J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103017&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** Bisphenol A-based vinyl ester resin (VE) was modified with acrylated epoxidised soybean and linseed oils (AESO and AELO, respectively) in 10 wt.%. The double bond/epoxy ratio in these functionalised vegetable oils was practically the same, i.e. 30/70%, allowing us to deduce effects caused by the different unsaturations in the parent oils. The crosslink density of the resins was enhanced by adding polyisocyanate. The glass transition temperature (Tg) of the hybrids was determined by differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA). Resistance to thermal degradation was assessed by thermogravimetric analysis (TGA). The fracture toughness and energy (Kc and Gc, respectively) were determined on compact tension specimens at room temperature. Incorporation of AESO and AELO reduced the Tg of VE along with slight reductions in the Kc and Gc data. The Tg reduction was less for AELO than AESO which was attributed to the higher functionality of AELO compared to AESO. Urethane crosslinking of VE (VEUH) prominently enhanced the Tg. Modification of VEUH with AES(L)O enhanced the Tg due to additional crosslinks. Urethane hybridisation was associated with a strong decrease in both Kc and Gc compared to those of the parent VE. Kc and Gc of VEUH did not change practically as a function of blending with AES(L)O. Incorporation of AES(L)O reduced the resistance to thermal degradation of both VE and VEUH. 36 Refs. --- --- Source: https://polymerjournals.com/detection-of-voids-in-carbon-epoxy-laminates-and-their-influence-on-mechanical-properties/ # Detection of Voids in Carbon/Epoxy Laminates and Their Influence on Mechanical Properties > Title: Detection of Voids in Carbon/Epoxy Laminates and Their Influence on Mechanical Properties Page Range: p.371-380 Author(s): Di Landro L; Montalto A; Bettini P; Guerra S; Montagnoli F; Rigamonti M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/detection-of-voids-in-carbon-epoxy-laminates-and-their-influence-on-mechanical-properties/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Detection of Voids in Carbon/Epoxy Laminates and Their Influence on Mechanical Properties** Page Range: p.371-380 Author(s): Di Landro L; Montalto A; Bettini P; Guerra S; Montagnoli F; Rigamonti M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103018&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** Defects, such as voids and delaminations, may significantly reduce the mechanical performance of components made of composite laminates. Distributed voids and porosity are generated during composite processing and are influenced by prepreg characteristics as well as by curing cycle parameters. On the basis of rheological and thermal analyses, as well as observations of laminates produced by different processing conditions, curing pressure appears the most influent factor affecting the void content. This work compares different methods for void analysis and quantitative evaluation (ultrasonic scan, micro-computed tomography, acid digestion, SEM image analysis) evidencing their applicative limitations. Carbon/epoxy laminates were produced in autoclave or oven by vacuum bag technique, using different processing conditions, so that void contents ranging from 0% to 7% volume were obtained. Effects of porosity over laminates mechanical performances are analysed. The results of tensile and compressive tests are discussed, considering the effect that different curing cycles have over void content as well as over fibre/resin fraction. Interlaminar strength, as measured by short beam shear tests, which is a matrix-dominated property, exhibits a reduction of failure strength up to 25% in laminates with the highest void content, compared to laminates with no porosity. 24 Refs. --- --- Source: https://polymerjournals.com/low-velocity-impact-behaviour-of-asymmetric-three-layer-sandwich-composite-structures-with-and-without-foam-core/ # Low velocity impact behaviour of asymmetric three-layer sandwich composite structures with and without foam core > Title: Low velocity impact behaviour of asymmetric three-layer sandwich composite structures with and without foam core Page Range: p.381-394 Author(s): Azam Kavianiboroujeni; Cloutier A; Rodrigue D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/low-velocity-impact-behaviour-of-asymmetric-three-layer-sandwich-composite-structures-with-and-without-foam-core/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Low velocity impact behaviour of asymmetric three-layer sandwich composite structures with and without foam core** Page Range: p.381-394 Author(s): Azam Kavianiboroujeni; Cloutier A; Rodrigue D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103019&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** This paper presents an experimental investigation of the impact behaviour of three layer sandwich structures made of high density polyethylene (HDPE) and hemp, with and without a foam core. Low-velocity falling weight and Charpy impact tests were performed to investigate the influence of hemp content, skin thickness and core density. The strength, load, absorbed energy, and deflection histories were recorded and analysed and the damaged specimens were inspected to determine the failure patterns. Based on the Charpy impact results, the structures with foam core had higher energy absorption capabilities compared to their counterparts without foam core. In addition, based on the falling weight impact results the energy dissipation properties of sandwich structures without foam core were superior to the structures with foam core. This property was also greatly influenced by skin fibre content, skin thickness and structure configuration. 36 Refs. --- --- Source: https://polymerjournals.com/studies-on-processing-rheological-and-mechanical-properties-of-polylactic-acid-sesbania-gum-nano-silica-composites/ # Studies on processing rheological and mechanical properties of poly(lactic acid)/sesbania gum/nano-silica composites > Title: Studies on processing rheological and mechanical properties of poly(lactic acid)/sesbania gum/nano-silica composites Page Range: p.395-404 Author(s): Qing Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No:... Canonical URL: https://polymerjournals.com/studies-on-processing-rheological-and-mechanical-properties-of-polylactic-acid-sesbania-gum-nano-silica-composites/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Studies on processing rheological and mechanical properties of poly(lactic acid)/sesbania gum/nano-silica composites** Page Range: p.395-404 Author(s): Qing Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103020&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** Processing rheological properties of poly(lactic acid) (PLA)/sesbania gum (SG)/nano-silica composites were investigated with a torque rheometer, and mechanical properties were researched by a universal testing machine and a cantilever-beam impact testing machine. Effects of SG content, nano-silica content, the types of plasticisers, the plasticiser content and the rotor speed of a torque rheometer on the properties of composites were discussed. The results indicated that polyethylene glycol (PEG)20000 exhibited the best plasticising effect on the composites, and at the same time, did not increase energy consumption of the systems compared with other four plasticisers. As for the aspect of processing rheological properties, the optimum formulation for PLA/SG/ nano-SiO2/PEG20000 composites was: 100 parts of PLA, 8 parts of SG, 2 parts of nano-SiO2, and 5-10 parts of PEG20000. Comparing with unmodified PLA, the comprehensive mechanical properties of the composites improved greatly, based on the results of the tensile, impact and bending tests. 30 Refs. --- --- Source: https://polymerjournals.com/isocyanate-functionalised-montmorillonite-as-a-reactive-asphalt-modifier/ # Isocyanate-functionalised montmorillonite as a reactive asphalt modifier > Title: Isocyanate-functionalised montmorillonite as a reactive asphalt modifier Page Range: p.405-418 Author(s): Dengke Zhang; Xinyan Xiao; Ying Cui File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5... Canonical URL: https://polymerjournals.com/isocyanate-functionalised-montmorillonite-as-a-reactive-asphalt-modifier/ Published: 2017-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Isocyanate-functionalised montmorillonite as a reactive asphalt modifier** Page Range: p.405-418 Author(s): Dengke Zhang; Xinyan Xiao; Ying Cui File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-5&JournalID=103021&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.5 **Abstract** Sodium montmorillonite was functionalised by isophorone diisocyanate (IPDI) and organic montmorillonite was functionalised by hydrogenated diphenylmethane diisocyanate (HMDI). Reaction between montmorillonite (MMT) and IPDI/HMDI caused the interlayer space of MMT to increase from 1.41 nm to 1.95 nm and 2.08 nm to 2.42 nm, respectively, and the resulting grafted -NCO groups led to a suitable reactive modifier. In order to improve the high-temperature performance and UV ageing resistance of the asphalt binder, asphalt modification was carried out by chemical reaction between -NCO groups and some polar groups (mainly -OH) of asphalt. The results showed that the interlayer space enlarged and exfoliated structure was formed due to the introduction of functionalised MMT (IPDI-HMMT-85 or HMDI-OMMT-80) into the asphalt. The as-prepared IPDI-HMMT-85 and HMDI-OMMT-80 modified asphalts, with a maximum softening point of 57.0 5C and 62.2 CC, initial decomposition temperature of 363 CC and 374 CC, respectively, possessed good storage stability, and were superior to Na-MMT modified asphalt and OMMT modified asphalt in terms of high temperature and UV ageing properties. 39 Refs. --- --- Source: https://polymerjournals.com/influence-of-processing-conditions-on-the-morphological-structure-and-ductility-of-water-foamed-injection-molded-pp-ldpe-blended-parts/ # Influence of processing conditions on the morphological structure and ductility of water-foamed injection molded PP/LDPE blended parts > Title: Influence of processing conditions on the morphological structure and ductility of water-foamed injection molded PP/LDPE blended parts Page Range: p.51-74 Author(s): Ying-Guo Zhou; Bei Su; Lih-Sheng Turng Click Here to Download Now! - File size: (subscribers only) Journal: Cellular Polymers Issue... Canonical URL: https://polymerjournals.com/influence-of-processing-conditions-on-the-morphological-structure-and-ductility-of-water-foamed-injection-molded-pp-ldpe-blended-parts/ Published: 2017-02-01T00:00:00+00:00 Categories: Cellular Polymers **Title: Influence of processing conditions on the morphological structure and ductility of water-foamed injection molded PP/LDPE blended parts** ![](http://cp.jpg)Page Range: p.51-74 Author(s): Ying-Guo Zhou; Bei Su; Lih-Sheng Turng ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Cellular Polymers Issue Year: cp Volume: 36 Issue No: No.2 **Abstract** Water-foamed injection moulding (WFIM) uses conventional injection moulding (CIM) with water as a physical foaming agent. Compared to CIM, WFIM is a much more complicated process. As such, it is critical to determine the processing conditions for fabricating quality parts using WFIM. We used the design of experiment (DOE) method based on the Taguchi method to determine the influence of the processing conditions on the morphological structure and ductility of PP/LDPE WFIM parts, which were investigated by tensile testing and scanning electron microscopy (SEM). Our research suggests that fabricating PP/LDPE super-ductile parts using WFIM is indeed feasible. Our research also indicates that there is a close relationship between the ductility and the foamed structures, both of which are deeply influenced by the processing conditions. The analysis of variance results shows further that the water content had the greatest influence on the ductility, followed by the melt temperature, packing time, packing pressure, and PP/LDPE ratio. However, the ductility was only slightly influenced by the mould temperature, injection pressure, and injection time in WFIM. As to the number of cells, the order of influence was melt temperature, water content, packing time, packing pressure, mould temperature, injection pressure, PP/LDPE ratio, and injection time, in that order. In addition, applying DOE is a quite effective method for deducing the optimal set of effective factors in WFIM to produce super-ductile parts with a maximum number of cells. To our knowledge, this is the first time that the relationship among the processing conditions, ductility, and foamed structure of PP/LDPE WFIM super-ductile parts has been investigated and reported. 28 Refs. --- Source: https://polymerjournals.com/synthesis-and-properties-of-novel-polymers-to-increase-the-electrochromic-service-life-of-poly3-hexylthiophene/ # Synthesis and properties of novel polymers to increase the electrochromic service life of poly(3-hexylthiophene) > Title: Synthesis and properties of novel polymers to increase the electrochromic service life of poly(3-hexylthiophene) Page Range: p.119-128 Author(s): Cheng-Yuan Lai; Foot P J S; Brown J W Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-novel-polymers-to-increase-the-electrochromic-service-life-of-poly3-hexylthiophene/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Synthesis and properties of novel polymers to increase the electrochromic service life of poly(3-hexylthiophene)** ![](http://ppc.jpg)Page Range: p.119-128 Author(s): Cheng-Yuan Lai; Foot P J S; Brown J W ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** Poly(3-alkylthiophene)s (P3ATs) are a promising class of electrochromic materials because of their convenient processability and environmental stability. The adhesion of electroactive polymer coatings on a transparent conducting substrate is a significant factor affecting the durable colour-changing life of electrochromic devices such as visual displays and switchable windows. Traditional electrochromic coatings on transparent ITO glass electrodes often have poor cycling lifetimes, due to incompatibility between the polymers and the inorganic substrates. However, providing a covalently-bonded network between the active electrochromics and the ITO glass is an efficient method to increase the adhesion and hence to extend the service time; the research described here used Suzuki-Miyaura coupling of N-(3-trimethoxysilylpropyl)pyrrole (TMP) onto poly(3-hexylthiophene) (P3HT), as a precursor to a sol-gel reaction. The Si-O-metal network produced between the siloxane groups and metal oxide after the sol-gel reaction served to enhance the adhesion of the poly(3-hexylthiophene) onto ITO glass. With this stronger bonding, the colour-switching service time was found to be extended considerably by the observation of repeated electrochemical cycling tests. In addition, the electro-optic and electrochemical properties of copolymers with various molar substitution ratios of TMP on P3HT were investigated by cyclic voltammetry and UV-visible spectroscopy. The (pi)-(pi) --- Source: https://polymerjournals.com/highly-efficient-encapsulation-of-ingredients-in-polymethyl-methacrylate-capsules-using-a-superoleophobic-material/ # Highly efficient encapsulation of ingredients in poly(methyl methacrylate) capsules using a superoleophobic material > Title: Highly efficient encapsulation of ingredients in poly(methyl methacrylate) capsules using a superoleophobic material Page Range: p.129-134 Author(s): Takayuki Takei; Kiyotaka Araki; Keita Terazono; Yoshihiro Ozuno; Gen Hayase; Kazuyoshi Kanamori; Kazuki Nakanishi; Masahiro Yoshida Click Here to Download Now! - File size:... Canonical URL: https://polymerjournals.com/highly-efficient-encapsulation-of-ingredients-in-polymethyl-methacrylate-capsules-using-a-superoleophobic-material/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Highly efficient encapsulation of ingredients in poly(methyl methacrylate) capsules using a superoleophobic material** ![](http://ppc.jpg)Page Range: p.129-134 Author(s): Takayuki Takei; Kiyotaka Araki; Keita Terazono; Yoshihiro Ozuno; Gen Hayase; Kazuyoshi Kanamori; Kazuki Nakanishi; Masahiro Yoshida ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** Increasing the efficiency of encapsulation of ingredients into spherical capsules can decrease the manufacturing costs of the capsules. Ingredients can be encapsulated with high efficiency (>99%) into nondegradable hard resin capsules prepared by polymerisation of spherical droplets of trimethylolpropane trimethacrylate (TRIM) monomer placed on a superoleophobic material. Poly(methyl methacrylate) (PMMA) resin is a more versatile capsule material than poly-TRIM resin. In this study, the efficiency of encapsulation in PMMA resin capsules prepared from methyl methacrylate (MMA) monomer was investigated. To reduce the volatility of the MMA monomer, pre-polymerised MMA was used for capsule preparation. Although non-volatile e-tocopherol and doxorubicin could be encapsulated in the capsules with high efficiency by heat polymerisation at 60 deg C for 3 h, the efficiency for volatile tetradecane was much lower (approximately 60%) because it evaporated. Furthermore, even when using pre-polymerised MMA, more than 70% of the prepolymer evaporated during polymerisation. To prevent the evaporation of tetradecane and the prepolymer, ultraviolet photopolymerisation was adopted because it was faster and could be conducted at a lower temperature. The photopolymerisation prevented the evaporation of the prepolymer and increased the efficiency of encapsulation of tetradecane (approximately 90% efficiency). This polymerisation system is effective for encapsulation of ingredients in PMMA capsules with high efficiency. 25 Refs. --- Source: https://polymerjournals.com/enhancing-the-corrosion-inhibition-behaviour-of-epoxidized-natural-rubber-polyaniline-dodecylbenzenesulfonate-blend-via-the-incorporation-of-wo3/ # Enhancing the corrosion inhibition behaviour of epoxidized natural rubber-polyaniline dodecylbenzenesulfonate blend via the incorporation of WO3 > Title: Enhancing the corrosion inhibition behaviour of epoxidized natural rubber-polyaniline dodecylbenzenesulfonate blend via the incorporation of WO3 Page Range: p.135-142 Author(s): Yong K C Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/enhancing-the-corrosion-inhibition-behaviour-of-epoxidized-natural-rubber-polyaniline-dodecylbenzenesulfonate-blend-via-the-incorporation-of-wo3/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Enhancing the corrosion inhibition behaviour of epoxidized natural rubber-polyaniline dodecylbenzenesulfonate blend via the incorporation of WO3** ![](http://ppc.jpg)Page Range: p.135-142 Author(s): Yong K C ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** Electrically-conductive (in the region of 10-3 S.cm-1) epoxidised natural rubber-polyaniline dodecylbenzenesulphonate [ENR-PAni.DBSA] blend was prepared, and the effect of incorporation of WO3 on its corrosion inhibition behaviour for carbon steel was assessed for the first time. It was found that the electrical conductivity of this blend could be enhanced by up to an order of magnitude for WO3 loadings of 20.0-22.5 wt.%. From both total immersion and electrochemical corrosion tests, ENR-PAni.DBSA blends with 20.0-22.5 wt.% of WO3 were found to be the best corrosion inhibitors for carbon steel, in both acid and artificial brine environments. However, a blend containing a higher WO3 content (i.e. 25.0 wt.%) showed a significant poorer corrosion inhibition behaviour for carbon steel due to its more severe phase separation and porosity between the ENR host matrix and WO3. 25 Refs. --- Source: https://polymerjournals.com/development-and-characterization-of-pla-buriti-fibre-composites-influence-of-fibre-and-coupling-agent-contents/ # Development and characterization of PLA/buriti fibre composites – influence of fibre and coupling agent contents > Title: Development and characterization of PLA/buriti fibre composites - influence of fibre and coupling agent contents Page Range: p.143-152 Author(s): Brambilla V C; Beltrami L V R; Kaue Pelegrini; Zimmermann M V G; Brandalise R N; Zattera A J Click Here to... Canonical URL: https://polymerjournals.com/development-and-characterization-of-pla-buriti-fibre-composites-influence-of-fibre-and-coupling-agent-contents/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Development and characterization of PLA/buriti fibre composites - influence of fibre and coupling agent contents** ![](http://ppc.jpg)Page Range: p.143-152 Author(s): Brambilla V C; Beltrami L V R; Kaue Pelegrini; Zimmermann M V G; Brandalise R N; Zattera A J ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** The use of biodegradable polymers has aroused academic and technological interest directed to the replacement of conventional polymers aiming at reducing the environmental impact caused by these materials. Vegetable fibres as reinforcement elements provide gains in mechanical, thermal and degradation properties to polymer composites. The buriti fibre (Mauritia flexuosa) is an abundant crop of easy cultivation in tropical countries and its use in composites with poly(lactic acid) (PLA), can provide the development of a material with specific features, combining good mechanical properties and excellent degradation potential to the obtained composites. In this research, PLA and buriti fibre composites were developed with the use of triacetin as coupling agent. For a 30% content by mass of fibre, the results showed that the mechanical properties of the composites were similar to those of neat PLA. This was attributed to the fibre/matrix interaction observed by the SEM analysis and to an increase in crystallinity assessed by thermal properties. 26 Refs. --- Source: https://polymerjournals.com/non-isothermal-modelling-and-optimisation-methodology-of-the-injection-moulding-of-rubber-products/ # Non-isothermal modelling and optimisation methodology of the injection moulding of rubber products > Title: Non-isothermal modelling and optimisation methodology of the injection moulding of rubber products Page Range: p.153-160 Author(s): Baranov A V Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No:... Canonical URL: https://polymerjournals.com/non-isothermal-modelling-and-optimisation-methodology-of-the-injection-moulding-of-rubber-products/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Non-isothermal modelling and optimisation methodology of the injection moulding of rubber products** ![](http://ppc.jpg)Page Range: p.153-160 Author(s): Baranov A V ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** The process of injection moulding is regarded as a combination of separate operations linked by certain process parameters. The first part of this study presents a mathematical model of the non-isothermal flow of rubber mixes along mould sprue channels, taking into account all the main features of the injection moulding process. On the basis of this model, an attempt is made to develop a methodology for optimising the injection stage. Diagrams linking the main process parameters are plotted. The second part of the study is devoted to the final stage of this cycle - the vulcanisation stage. The presented mathematical model of non-stationary heat conduction takes into account the heat evolution from the chemical reaction of vulcanisation and the temperature dependence of all thermophysical properties. On this basis, an attempt to develop optimisation methodology for this stage is presented. Diagrams are plotted that link the main process parameters of the vulcanisation stage with the previous stages of plasticisation and injection. 18 Refs. --- Source: https://polymerjournals.com/preparation-and-characterization-of-coloured-polymer-particles-for-electronic-ink/ # Preparation and characterization of coloured polymer particles for electronic ink > Title: Preparation and characterization of coloured polymer particles for electronic ink Page Range: p.161-166 Author(s): Jing Wang; Yaqing Feng; Xianggao Li Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-coloured-polymer-particles-for-electronic-ink/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation and characterization of coloured polymer particles for electronic ink** ![](http://ppc.jpg)Page Range: p.161-166 Author(s): Jing Wang; Yaqing Feng; Xianggao Li ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** A new coloured polymer particle was prepared, in which chromophoric groups were introduced onto the surface of the polymer particle for use in electronic ink. The structure, morphology and thermal stability of polymer electrophoretic particles were characterised using FTIR, solid state 13C-NMR, SEM and TGA. Electrophoretic mobility measurements proved that the polymer particles had negative charges in the electrophoretic dispersion medium. Electronic ink microcapsules containing the polymer particles were prepared by coacervation. The polymer particles had a reversible electric response in the microcapsules under a DC electric field. 18 Refs. --- Source: https://polymerjournals.com/enhancing-fatigue-life-of-filament-winding-laminar-and-curved-pipes-containing-carbon-nanotubes-and-their-fatigue-failure/ # Enhancing fatigue life of filament winding laminar and curved pipes containing carbon nanotubes, and their fatigue failure > Title: Enhancing fatigue life of filament winding laminar and curved pipes containing carbon nanotubes, and their fatigue failure Page Range: p.167-176 Author(s): Mustafa Tasyurek; Necmettin Tarakcioglu Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/enhancing-fatigue-life-of-filament-winding-laminar-and-curved-pipes-containing-carbon-nanotubes-and-their-fatigue-failure/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Enhancing fatigue life of filament winding laminar and curved pipes containing carbon nanotubes, and their fatigue failure** ![](http://ppc.jpg)Page Range: p.167-176 Author(s): Mustafa Tasyurek; Necmettin Tarakcioglu ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** In this study, the fatigue life of glass fibre-epoxy matrix material produced by the filament winding composite pipes and matrix material reinforced with multi-walled carbon nanotubes (MWCNTs) nanocomposite filament winding tubes were studied experimentally under the influence of internal pressure. Glass-reinforced plastic (GRP) pipes which were reinforced with carbon nanotubes were tested in the conditions of an open-ended test. The winding angle of test specimens was plus/minus 55 deg and they had six layers. During all the experiments, the fatigue life effect of reinforced carbon nanotubes was investigated. Unreinforced glass, as a reference material, was compared with reinforced plastic with the addition of nano-reinforced material using two different rates of 0.5% and 1%. Fatigue tests of specimens have been carried out in accordance with ASTM D-2992. Later on, the results obtained by determining the material properties with the reinforcement of carbon nanotubes GRP pipes were evaluated. As a result of this study, it has been found that MWCNTs reinforcement increases the fatigue life of the GRP tubes. Inter-laminar fracture strength was developed via the mechanical locking of MWCNTs. The critical MWCNTs usage value was between 0.5% and 1%. 35 Refs. --- Source: https://polymerjournals.com/application-of-taguchi-method-for-optimizing-of-mechanical-properties-of-polystyrene-carbon-nanotube-nanocomposite/ # Application of Taguchi method for optimizing of mechanical properties of polystyrene-carbon nanotube nanocomposite > Title: Application of Taguchi method for optimizing of mechanical properties of polystyrene-carbon nanotube nanocomposite Page Range: p.177-184 Author(s): Maryam Farbodi Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No:... Canonical URL: https://polymerjournals.com/application-of-taguchi-method-for-optimizing-of-mechanical-properties-of-polystyrene-carbon-nanotube-nanocomposite/ Published: 2017-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Application of Taguchi method for optimizing of mechanical properties of polystyrene-carbon nanotube nanocomposite** ![](http://ppc.jpg)Page Range: p.177-184 Author(s): Maryam Farbodi ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1250319.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.2 **Abstract** Carbon nanotube (CNT) was selected as reinforcement agent to improve the mechanical properties of polystyrene (PS). PS-CNT nanocomposite was prepared by mixing CNT with a solution of PS. Taguchi experimental design method was used to determine the optimal conditions for preparation of the nanocomposite. The effects of six factors including the type of CNT (A), type of solvent (B), type of PS (C), drying temperature of nanocomposite film (D), the percentage of CNT (E) and duration of mixing after adding CNT (F) were investigated at different levels. The tensile strength values of PS-CNT nanocomposite films were used as the responses for the analysis of data using signal to noise (S/N) method. Using this method, the optimum conditions were obtained as: the type of CNT: functionalised single walled CNT (SWCNT), the percentage of SWCNT: 1.5%, the type of solution: tetrahydrofuran, the type of PS: GPPS 1460, drying temperature: 25 deg C, duration of mixing: 1 hour. Based on the obtained values, the order of the effect of factors was CEADBF. The most effective and the least effective factors were C and F, respectively. The calculated F-ratio of each factor showed that at 95% confidence interval, the F values for all factors except factor F have significant effects on the response values. Also, the functionalisation of the CNTs surfaces by -OH and -COOH groups confirmed by FTIR and SEM techniques. 17 Refs. --- Source: https://polymerjournals.com/pressure-transient-behavior-for-alternating-polymer-flooding-in-a-three-zone-composite-reservoir/ # Pressure transient behavior for alternating polymer flooding in a three-zone composite reservoir > Title: Pressure transient behavior for alternating polymer flooding in a three-zone composite reservoir Page Range: p.1-10 Author(s): Changyu Zhu; Shiqing Cheng; Youwei He; Engao Tang; Xiaodong Kang; Yao Peng; Haiyang Yu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/pressure-transient-behavior-for-alternating-polymer-flooding-in-a-three-zone-composite-reservoir/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Pressure transient behavior for alternating polymer flooding in a three-zone composite reservoir** Page Range: p.1-10 Author(s): Changyu Zhu; Shiqing Cheng; Youwei He; Engao Tang; Xiaodong Kang; Yao Peng; Haiyang Yu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102888&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** Alternating polymer flooding has achieved great attractions recently in oil industry, however, the research of pressure analysis in alternating polymer flooding reservoir is rare. This work presents a numerical pressure analysis method of three-zone composite model for formation evaluation. A new numerical pressure analysis model (three-zone composite model) is established by considering diffusion, convection, shear, and inaccessible pore volume, which is based on the rheology experiments. Based on this model, the type curves are then developed and sensitivity analysis is further conducted. The type curves have seven regimes in three-zone composite model. The characteristic is the obvious upturn of pressure derivative curve in transient regime between low concentration and high concentration polymer solution. Formation parameters can be interpreted by history matching and formation evaluation can be conducted based on this model. As an important part of formation evaluation, formation damage as a result of adsorption of polymers in porous media is evaluated by comparing the interpreted permeability with the original value before polymer flooding. The field test data proves that this proposed method can accurately evaluate reservoir characteristics in alternating polymer flooding reservoirs, which emphasises the potential application of this method in petroleum industry. 31 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-graphene-oxide-polyvinyl-alcohol-composite-film/ # Mechanical properties of graphene oxide/polyvinyl alcohol composite film > Title: Mechanical properties of graphene oxide/polyvinyl alcohol composite film Page Range: p.11-16 Author(s): Tao Cheng-an; Zhang Hao; Wang Fang; Zhu Hui; Zou Xiaorong; Wang Jianfang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/mechanical-properties-of-graphene-oxide-polyvinyl-alcohol-composite-film/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical properties of graphene oxide/polyvinyl alcohol composite film** Page Range: p.11-16 Author(s): Tao Cheng-an; Zhang Hao; Wang Fang; Zhu Hui; Zou Xiaorong; Wang Jianfang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102889&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** Graphene oxide (GO) was served as mechanical strengthening to prepare GO/Polyvinyl Alcohol(PVA) composite film. This was accomplished in order to explore the influence of contents of GO on the tensile strength and failure strain of GO/PVA composite film. The results showed that as the GO content increased, the tensile strength of the composite film became greater rapidly at first, and then decreased gradually. When the GO content was 20%, the film had its maximum tensile strength (59.6 MPa). This is over 500% of the tensile strength of pure PVA film. The failure strain of GO/PVA composite film decreased rapidly as the GO content increased. The enhancement mechanism of the composite can be explained by the existence of multi-hydrogen bonds between the hydroxyl (-OH) groups of PVA and oxygen-containing functional groups of GO. 34 Refs. --- --- Source: https://polymerjournals.com/effect-of-oyster-shell-powder-loading-on-the-mechanical-and-thermal-properties-of-natural-rubber-oyster-shell-composites/ # Effect of oyster shell powder loading on the mechanical and thermal properties of natural rubber/oyster shell composites > Title: Effect of oyster shell powder loading on the mechanical and thermal properties of natural rubber/oyster shell composites Page Range: p.17-22 Author(s): Lefan Li; Zongqiang Zeng; Zhifen Wang; Zheng Peng; Xiaodong She; Sidong Li; Jieping Zhong File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/effect-of-oyster-shell-powder-loading-on-the-mechanical-and-thermal-properties-of-natural-rubber-oyster-shell-composites/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of oyster shell powder loading on the mechanical and thermal properties of natural rubber/oyster shell composites** Page Range: p.17-22 Author(s): Lefan Li; Zongqiang Zeng; Zhifen Wang; Zheng Peng; Xiaodong She; Sidong Li; Jieping Zhong File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102890&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** The oyster shell powder/natural rubber composites were successfully prepared by blending the modified oyster shell powder with natural rubber (NR). The oyster shell powder with a particle size of 209 nm were well distributed within the rubber matrix. The characteristic Fourier transform infrared spectroscopy (FTIR) absorption bands of both oyster shell powder and natural rubber were observed in the FTIR spectra of NR/oyster shell powder composites. The C-O absorption bands in carbonates of composites exhibit a shift from 1425 cm-1 to 1446 cm-1 which suggests the bonds formed among oyster shell powder, earth coupling agent and NR. The tensile strength and stress at 500% elongation increased with rising of the earth coupling agent. Composites with 1.5 parts per hundred rubber (phr) coupling agent achieved the highest mechanical properties, where an increase of 13.4% in tensile strength was found. The tensile strength and tear strength increased along with an increment of oyster shell powder. When the content of oyster shell powder attained 25-30 phr, the composites exhibited the best mechanical properties. In particular, the tensile strength and tear strength increased by 27.9% and 17.2% when compared with those of the control samples. Furthermore, the addition of the oyster shell powder leads to the improvement of thermal stability which is evidenced by an increase of 8 deg C in the initial degradation temperature. The improvement of the mechanical properties and thermal stability of the composites have demonstrated that the oyster shell powder can be used as potential fillers for natural rubber. 20 Refs. --- --- Source: https://polymerjournals.com/interfacial-and-mechanical-properties-of-continuous-fiber-reinforced-pp-via-pre-impregnated-winding/ # Interfacial and mechanical properties of continuous fiber-reinforced pp via pre impregnated winding > Title: Interfacial and mechanical properties of continuous fiber-reinforced pp via pre impregnated winding Page Range: p.23-28 Author(s): Jiuqiang Song; Yan Qin; Jia Chen; Siwen Qin File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/interfacial-and-mechanical-properties-of-continuous-fiber-reinforced-pp-via-pre-impregnated-winding/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Interfacial and mechanical properties of continuous fiber-reinforced pp via pre impregnated winding** Page Range: p.23-28 Author(s): Jiuqiang Song; Yan Qin; Jia Chen; Siwen Qin File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102891&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** In this paper, a continuous glass fibre-reinforced polypropylene prepreg was prepared by fibre treatment with a silane coupling agent and MAH-g-PP resin. Continuous glass fibre-reinforced polypropylene sheets were made from prepreg and PP mats by hot-pressing; they displayed exceptional performance. This paper studies the effects of maleic anhydride grafting on the polypropylene crystallinity and MAH-g-PP content in the prepreg, and the mechanical properties of the composites. The results showed that modifying PP with maleic anhydride decreased the tacticity of the polypropylene molecular chain, which reduced the crystallinity and melting point. An excellent interface formed between the polypropylene and fibre after the glass fibre was treated with a silane coupling agent and MAH-g-PP resin. The mechanical properties of the polymer materials displayed more favourable properties as MAH-g-PP content increased; the ideal MAH-g-PP content was 50%. 20 Refs. --- --- Source: https://polymerjournals.com/effect-of-heat-treatment-on-curing-uniformity-of-fiber-composite-laminates/ # Effect of heat treatment on curing uniformity of fiber composite laminates > Title: Effect of heat treatment on curing uniformity of fiber composite laminates Page Range: p.29-34 Author(s): Xiaoxia Wang; Qinglin Wang; Linlin Gao; Yuxi Jia File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/effect-of-heat-treatment-on-curing-uniformity-of-fiber-composite-laminates/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of heat treatment on curing uniformity of fiber composite laminates** Page Range: p.29-34 Author(s): Xiaoxia Wang; Qinglin Wang; Linlin Gao; Yuxi Jia File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102892&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** A numerical simulation procedure is presented to investigate the heat transfer and temperature distribution and then predict the curing uniformity of fibre/resin composite laminates during the hot moulding process. By means of a coupled thermochemical simulation of the composite material curing process, the effects of curing temperature and heating rate on curing uniformity are investigated. Compared with the curing process with lower temperature and heating rate, the curing process with higher temperature and heating rate can cure the composites much faster but generate more uneven temperature distribution. By comparatively analysing the influencing factors of curing non-uniformity, the curing characteristics of composites are revealed distinctly, which is helpful to understand the curing mechanism and design optimal curing cycle according to specific requirements. 16 Refs. --- --- Source: https://polymerjournals.com/modified-silicon-nitride-nanopowder-coating-and-its-influence-on-the-dynamic-mechanical-property-of-polymethyl-methacrylate-nanocomposite/ # Modified silicon nitride nanopowder coating and its influence on the dynamic mechanical property of polymethyl methacrylate nanocomposite > Title: Modified silicon nitride nanopowder coating and its influence on the dynamic mechanical property of polymethyl methacrylate nanocomposite Page Range: p.35-42 Author(s): Xiaodong Wang; Yuan Hu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/modified-silicon-nitride-nanopowder-coating-and-its-influence-on-the-dynamic-mechanical-property-of-polymethyl-methacrylate-nanocomposite/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Modified silicon nitride nanopowder coating and its influence on the dynamic mechanical property of polymethyl methacrylate nanocomposite** Page Range: p.35-42 Author(s): Xiaodong Wang; Yuan Hu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102893&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** In this study we modified nanoparticles to prepare Si3N4/PMMA nanocomposites. Surface modification of nanoSi3N4 powder was carried out by using a suitable modification agent (NDZ-102) for improving nanoparticles dispersion stability. The surface properties of Si3N4 nanoparticles were systematically investigated by Fourier transform infrared spectroscopy, thermogravimetric analysis, size distributions analyser, surface free energy measurement and transmission electron microscopy (TEM). We concluded that 11% of NDZ-102 is the appropriate dosage of the coupling agent used to modify the surface of Si3N4 nanoparticles. Based on TGA and the spectra of FTIR, our results indicate that the coupling agent molecules are linked to the nanoparticles by chemical bonds, and that the surface of nanoparticles were coated by an organic layer. On the basis of the surface free energy experiments, it can be seen that there is an obvious improvement in the nanoparticles hydrophobicity after modification. Particle size tests and TEM reveal that the average diameter of the modified nano-Si3N4 is less than 100 nm and the nanoparticles have good dispersion in the solvent. It has also been found that the dynamic mechanical property of polymethyl methacrylate nanocomposite shows regular changes with an increasing powder content. 14 Refs. --- --- Source: https://polymerjournals.com/influence-of-silica-as-an-abrasive-on-friction-performance-of-polyimide-matrix-composites/ # Influence of silica as an abrasive on friction performance of polyimide-matrix composites > Title: Influence of silica as an abrasive on friction performance of polyimide-matrix composites Page Range: p.43-48 Author(s): Xu X L; Lu X; Qin Z X; Yang D L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/influence-of-silica-as-an-abrasive-on-friction-performance-of-polyimide-matrix-composites/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Influence of silica as an abrasive on friction performance of polyimide-matrix composites** Page Range: p.43-48 Author(s): Xu X L; Lu X; Qin Z X; Yang D L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102894&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** This study investigated the friction performance of polyimide-matrix composites with various silica powder contents of different sizes. The friction tests were performed on a pin-on-disk tester at various velocities, ranging from 30 to 160 km/h. The experimental results indicate a silica powder size of 0.25 plus/minus 0.05 mm, a sample of 4 wt.% SiO2 demonstrated a high friction coefficient and better wear performance as compared to a sample without silica. The influence of silica content and powder size on the friction coefficient is directly related to the friction velocity. At low friction velocity (30-90 km/h), the friction coefficient increases as the SiO2 content increases, but decreases with increasing SiO2 particle size. At high friction velocity (90-160 km/h), the content and particle size of SiO2 have little influence on the friction coefficient. Experimental results indicate that large SiO2 particles can effectively hinder the motion of third body, which is advantageous to the formation of a compact third body and to the protection of the friction surface. 19 Refs. --- --- Source: https://polymerjournals.com/tightening-characteristics-research-of-m1-4-subminiature-screw-by-applying-cfrp-laminates/ # Tightening characteristics research of M1.4 subminiature screw by applying CFRP laminates > Title: Tightening characteristics research of M1.4 subminiature screw by applying CFRP laminates Page Range: p.49-56 Author(s): Dae-Young Kim; Jung-Ho Kim; Seung-Woo Ra; Joung-An Jeong; Ji-Hoon Kim File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/tightening-characteristics-research-of-m1-4-subminiature-screw-by-applying-cfrp-laminates/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Tightening characteristics research of M1.4 subminiature screw by applying CFRP laminates** Page Range: p.49-56 Author(s): Dae-Young Kim; Jung-Ho Kim; Seung-Woo Ra; Joung-An Jeong; Ji-Hoon Kim File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102895&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** The recent core technologies developed in automobile and aerospace industries can be classified into two types, namely, advancement technology for safety and convenience and mechanical technology for eco-friendly and lightweight systems. Research in the field of composite materials has attracted significant attention. Carbon fibre reinforced plastics (CFRP) show high specific stiffness and specific strength compared with metallic materials. They exhibit mechanical properties with high damping characteristics and are lightweight. However, according to the direction of a laminate or its stacking sequence, the structural characteristics of CFRPs vary. It is hard to predict fracture under tensile and bending forces in CRFPs, when compared to metals. Threaded fasteners with easy assembly and disassembly are used widely in several fields. However, to maintain clamping force, proper torque force should be applied. As the size of the components decreases, the clamping force also decreases because the contact area between the component and other components decreases. In this study, CFRP specimens were subjected to tensile tests via a universal testing machine to estimate their mechanical properties with respect to the stacking angles of the laminates. The reverse screw torque and screw torque at each stacking angle were determined using a torque tester after tapping holes on the CFRP specimens. It was expected that both the epoxy attached to the screw surface and stacking direction of CFRP laminates affect the screw torque force of the composite material. In the case of woven composite specimens, there was no difference observed even when torque was applied to prevent loosening of the specimens with or without coating. The average results for the woven composite specimens were better than that for the other specimens. 15 Refs. --- --- Source: https://polymerjournals.com/medicated-multiple-component-polymeric-nanocomposites-fabricated-using-electrospraying/ # Medicated multiple-component polymeric nanocomposites fabricated using electrospraying > Title: Medicated multiple-component polymeric nanocomposites fabricated using electrospraying Page Range: p.57-62 Author(s): Yong-Hui Wu; Deng-Guang Yu; Jiao-Jiao Li; Qing Wang; Hai-Peng Li; Xiao-Yan Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/medicated-multiple-component-polymeric-nanocomposites-fabricated-using-electrospraying/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Medicated multiple-component polymeric nanocomposites fabricated using electrospraying** Page Range: p.57-62 Author(s): Yong-Hui Wu; Deng-Guang Yu; Jiao-Jiao Li; Qing Wang; Hai-Peng Li; Xiao-Yan Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102896&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** Drug-loaded hydrophilic polymeric composite (HPC) is one of the most promising biomaterials for resolving the long-standing challenge of the development of oral solid formulations for insoluble drugs. With polyvinylpyrrolidone K10 (PVP) as polymeric carrier and sodium dodecyl sulphonate (SDS) as a surface active agent, a new type of HPC was fabricated for enhancing the dissolution of quercetin using an electrospraying process. A solvent mixture consisting of acetic acid, acetone and ethanol were exploited to prepare the codissolving solution of quercetin, PVP, and SDS for creating HPC. Both the sprayed nanoparticles and casting film fabricated using a thermal solvent evaporation process were amorphous composites, as demonstrated by the XRD results. ATR-FTIR spectra verified that the drug and the pharmaceutical carriers had good compatibility. In vitro dissolution experiments showed that the sprayed HPC could provide an over ten-fold faster dissolution rate than the casting film. Electrospraying is a facile method for developing new kinds of HPCs for insoluble drugs. 17 Refs. --- --- Source: https://polymerjournals.com/effect-of-aminosilane-concentrations-on-the-properties-of-polylactic-acid-kenaf-derived-cellulose-composites/ # Effect of aminosilane concentrations on the properties of poly(lactic acid)/kenaf-derived cellulose composites > Title: Effect of aminosilane concentrations on the properties of poly(lactic acid)/kenaf-derived cellulose composites Page Range: p.63-76 Author(s): Yee Bond Tee; Talib R A; Khalina Abdan; Nyuk Ling Chin; Roseliza Kadir Basha; Khairul Faezah Md Yunos File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/effect-of-aminosilane-concentrations-on-the-properties-of-polylactic-acid-kenaf-derived-cellulose-composites/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of aminosilane concentrations on the properties of poly(lactic acid)/kenaf-derived cellulose composites** Page Range: p.63-76 Author(s): Yee Bond Tee; Talib R A; Khalina Abdan; Nyuk Ling Chin; Roseliza Kadir Basha; Khairul Faezah Md Yunos File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102897&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** To reinforce the use of kenaf-derived cellulose as a compatible plastic filler, the cellulose (C) was thermally grafted with various concentrations (5, 8, and 11 wt.%) of hydrolysed 3-aminopropyltriethoxysilane (APS). The silane-grafted cellulose (SGC) were named as SGC5, SGC8 and SGC11. C (30 wt.%) and all of the SGC were respectively melt-compounded into poly(lactic acid) (PLA) before being hot-pressed into ~0.3 mm sheets, which is the approximate thickness of clamshell packaging. The intermolecular interaction between SGC and PLA, which was absent with C, was confirmed via Fourier Transform Infrared Spectroscopy (FTIR). PLA filled with SGC5 or SGC8 showed significant improvement in thermal, tensile, physical, and barrier properties compared with the PLA/C composite. In contrast, adverse effects were observed with the PLA/SGC11 composite. 8 wt.% of APS was concluded as the critical concentration to be thermally-grafted onto the kenaf-derived cellulose as PLA/SGC8 composite showed optimum reinforcement in tensile strength (52 MPa), crystallisability (16% crystallinity), water resistance (5.3%) and dimensional stability (3.3%), and significantly shifted oxygen barrier from medium-low range to medium range (3.2 x10-17 m3 m/m2 s Pa). Overall, the variation in the properties of these biocomposites may extend PLA's range in food packaging applications. 48 Refs. --- --- Source: https://polymerjournals.com/properties-evaluation-of-repair-mortars-containing-eva-and-va-veova-polymer-powders/ # Properties evaluation of repair mortars containing EVA and VA/VeoVa polymer powders > Title: Properties evaluation of repair mortars containing EVA and VA/VeoVa polymer powders Page Range: p.77-86 Author(s): Tsai-Lung Weng; Wei-Ting Lin; Cheng-Hao Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/properties-evaluation-of-repair-mortars-containing-eva-and-va-veova-polymer-powders/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Properties evaluation of repair mortars containing EVA and VA/VeoVa polymer powders** Page Range: p.77-86 Author(s): Tsai-Lung Weng; Wei-Ting Lin; Cheng-Hao Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102898&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** The repair of damaged structures is a complicated problem in the construction industry and it is no uniform standard for evaluating the effectiveness of repair materials. Two different redispersible polymer powders, ethylene vinyl acetate (EVA) and polyvinyl acetate-vinyl carboxylate (VA/VeoVa), were added in the repair mortars with two water-cement ratios and three polymer-cement ratios. The effectiveness of repair materials was evaluated according to the physical, mechanical properties and micrographs. Testing program includes setting time, drying shrinkage, thermal expansion, compressive strength, tensile strength, flexural strength, bond strength, X-ray diffraction analysis, scanning electron microscopy observation. Test results show that the specimens with VA/VeoVa and w/c of 0.5 have highest compressive strength, tensile strength, flexural strength and bond strength. The specimen with EVA also has higher strength than control one at the age of 28 days. The drying shrinkage deformation of VA/VeoVa specimen is close to the control one. The specimens with VA/VeoVa have lower thermal expansion than EVA specimen when the water-cement ratio is 0.5 and there is no difference between EVA and VA/VeoVa specimens for the water-cement ratio of 0.6. The micrographs show that adding polymer powder can reduce the pore and improve the durability. 22 Refs. --- --- Source: https://polymerjournals.com/a-combined-experimental-and-molecular-dynamics-simulation-study-on-the-miscibility-of-eucommia-ulmoides-gum-with-several-rubbers/ # A combined experimental and molecular dynamics simulation study on the miscibility of eucommia ulmoides gum with several rubbers > Title: A combined experimental and molecular dynamics simulation study on the miscibility of eucommia ulmoides gum with several rubbers Page Range: p.87-92 Author(s): Fei-Zhou Li; Zhen-Lin Lu; Dong-Ping Tian File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/a-combined-experimental-and-molecular-dynamics-simulation-study-on-the-miscibility-of-eucommia-ulmoides-gum-with-several-rubbers/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A combined experimental and molecular dynamics simulation study on the miscibility of eucommia ulmoides gum with several rubbers** Page Range: p.87-92 Author(s): Fei-Zhou Li; Zhen-Lin Lu; Dong-Ping Tian File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102899&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** This paper analyses the miscibility state of EUG blended with CR, BR, SBR, NR and NBR via Molecular Dynamics (MD) simulations performed using Blends and the Flory-Huggins interaction parameter, phase diagrams, and mixing energy. The results showed that EUG can be miscible with CR, BR, SBR, NR, and NBR above 350K, and the simulation predictions and experimental results were mainly the same. 23 Refs. --- --- Source: https://polymerjournals.com/study-on-effect-of-surface-treating-method-on-mechanical-behavior-of-three-plant-fiber-reinforced-polypropylene-composites/ # Study on effect of surface treating method on mechanical behavior of three plant fiber reinforced polypropylene composites > Title: Study on effect of surface treating method on mechanical behavior of three plant fiber reinforced polypropylene composites Page Range: p.93-102 Author(s): Ma L; He L J; Shao S Y File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/study-on-effect-of-surface-treating-method-on-mechanical-behavior-of-three-plant-fiber-reinforced-polypropylene-composites/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Study on effect of surface treating method on mechanical behavior of three plant fiber reinforced polypropylene composites** Page Range: p.93-102 Author(s): Ma L; He L J; Shao S Y File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102900&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** The surface modification effects of triethoxysilane (KH-550), methacryloxy propyl tri-methoxy silane (KH-570), and maleic anhydride grafted polypropylene (MAPP) on sawdust (SD), wheat straw (WS) and cellulose (CE) were studied by a tensile test, as well as surface morphology observation on reinforced composites. The results revealed that MAPP was the most effective coupling agent, and SD composites performed better than WS and CE. The tensile test results indicated that the optimum conditions for coupling agents were 1 wt.% for silane coupling agents and 5 wt.% for MAPP. SEM studies confirmed the tensile test results, proving that adhesion was improved with the employment of MAPP. MAPP-treated composite samples presented a prevailed fibre broken pattern which resulted in strong fibre-matrix interface bonding, whereas silane treatments did not provide an obvious enhancement in adhesion between the fibre and the matrix. 28 Refs. --- --- Source: https://polymerjournals.com/study-on-dynamic-behavior-of-afrp-wrapped-circular-concrete-specimens-under-repeated-impacts/ # Study on dynamic behavior of AFRP-wrapped circular concrete specimens under repeated impacts > Title: Study on dynamic behavior of AFRP-wrapped circular concrete specimens under repeated impacts Page Range: p.103-112 Author(s): Hengwen Song; Hui Yang; Shi Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/study-on-dynamic-behavior-of-afrp-wrapped-circular-concrete-specimens-under-repeated-impacts/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Study on dynamic behavior of AFRP-wrapped circular concrete specimens under repeated impacts** Page Range: p.103-112 Author(s): Hengwen Song; Hui Yang; Shi Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102901&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** A series of damage tests and axially repeated compressive tests with high strain rates were conducted to investigate the behaviour of aramid fibre reinforced polymer (AFRP) wrapped concrete under repeated impacts. The relation between damage condition and variables such as impact number and polymer thickness were examined. The tests were performed using a 100 mm diameter Split Hopkinson Pressure Bar (SHPB) apparatus and a nonmetal supersonic test meter. Various AFRP layers were applied to produce varied confinement ratios. The experimental results indicated that the AFRP-wrapped concrete exhibited excellent performance in resisting repeated impacts. Also, the specimens maintained their shapes and bearing capacity after multiple impacts with a mean strain rate of 50 s-1. No distinct decline was observed from the history of peak stress and impact toughness in AFRP-wrapped concrete. Moreover, additional AFRP layers significantly decreased the impact damage on the core concrete, as reflected by the different strain rate histories in damage progression. 28 Refs. --- --- Source: https://polymerjournals.com/polyglycidyl-methacrylate-grafted-to-carbon-fiber-surface-by-raft-polymerization-for-enhancing-interface-adhesion-and-mechanical-properties-of-carbon-fiber-epoxy-composites/ # Poly(glycidyl methacrylate) grafted to carbon fiber surface by RAFT polymerization for enhancing interface adhesion and mechanical properties of carbon fiber/epoxy composites > Title: Poly(glycidyl methacrylate) grafted to carbon fiber surface by RAFT polymerization for enhancing interface adhesion and mechanical properties of carbon fiber/epoxy composites Page Range: p.113-118 Author(s): Daosong Lan; Lei Xiong; Hongtao Wanyan; Yiming Yuan; Qian Fan; Xuekai Zeng; Yonglong Chen; Zhiyuan Cao... Canonical URL: https://polymerjournals.com/polyglycidyl-methacrylate-grafted-to-carbon-fiber-surface-by-raft-polymerization-for-enhancing-interface-adhesion-and-mechanical-properties-of-carbon-fiber-epoxy-composites/ Published: 2017-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Poly(glycidyl methacrylate) grafted to carbon fiber surface by RAFT polymerization for enhancing interface adhesion and mechanical properties of carbon fiber/epoxy composites** Page Range: p.113-118 Author(s): Daosong Lan; Lei Xiong; Hongtao Wanyan; Yiming Yuan; Qian Fan; Xuekai Zeng; Yonglong Chen; Zhiyuan Cao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc25-1&JournalID=102902&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 25 Issue No: No.1 **Abstract** In this study, we present a novel approach to graft a large number of poly(glycidyl methacrylate) (PGMA) chains onto the carbon fibre (CF) surface through reversible addition-fragmentation chain transfer (RAFT) polymerisation. Characterisation results of FT-IR, XPS and TGA demonstrated that PGMA was covalently combined with carbon fibres. The CF/epoxy composites were obtained by addition of pristine CF and CF functionalised with poly(glycidyl methacrylate) (CF-PGMA) into epoxy resin. Experiment results revealed that the grafting of PGMA chains on the CF surface could increase significantly roughness and number of active groups of CF, which enhanced interface and mechanical properties of the composites. The compression strength, tensile strength, flexural strength and interfacial shear strength (IFSS) of CF-PGMA/epoxy composites are enhanced by at least 63.1%, 37.9% 55.6% and 122.5%, respectively, compared to pristine carbon fibre/epoxy composites. This enhancement indicates that surface modification of the carbon fibres by RAFT technique is a potential method to preparing CF-reinforced polymer matrix composites with excellent mechanical properties. 18 Refs. --- --- Source: https://polymerjournals.com/microcrystalline-cellulose-from-oil-palm-empty-fruit-bunches-as-filler-in-polylactic-acid/ # Microcrystalline cellulose from oil palm empty fruit bunches as filler in polylactic acid > Title: Microcrystalline cellulose from oil palm empty fruit bunches as filler in polylactic acid Page Range: p.675-680 Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi; Zainoha Zakaria; Marliana M M; Syakir M I; Nurul Fazita M R Click Here to Download... Canonical URL: https://polymerjournals.com/microcrystalline-cellulose-from-oil-palm-empty-fruit-bunches-as-filler-in-polylactic-acid/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Microcrystalline cellulose from oil palm empty fruit bunches as filler in polylactic acid** ![](http://ppc.jpg)Page Range: p.675-680 Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi; Zainoha Zakaria; Marliana M M; Syakir M I; Nurul Fazita M R ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1242805.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Acid hydrolysis method was used to isolate microcrystalline cellulose (MCC) from oil palm empty fruit bunches (OPEFB) total chlorine free bleached pulp. The derived MCC was incorporated into polylactic acid (PLA) using solution casting technique in order to produce PLA/MCC composites. The chemical structure of the cellulose fragments remains unaltered as demonstrated by Fourier transform infrared spectroscopy despite acid hydrolysis. X-ray diffraction showed that the MCC has a cellulose I polymorph with 87% crystallinity index. The addition of MCC into PLA enhanced not only the thermal stability but also the Young's modulus of the PLA/MCC composites by approximately 30% at 5 phr MCC contents compared to pure PLA. However a decrease in tensile strength and elongation at break of the PLA/MCC composites were observed due to the poor dispersion of MCC in the PLA matrix. 30 Refs. --- Source: https://polymerjournals.com/a-urethane-block-copolymer-as-binder-for-fire-resist-palm-based-fibreboard/ # A urethane block copolymer as binder for fire-resist palm-based fibreboard > Title: A urethane block copolymer as binder for fire-resist palm-based fibreboard Page Range: p.681-686 Author(s): Amamer Redwan; Khairiah Haji Badri; Azizah Baharum Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24... Canonical URL: https://polymerjournals.com/a-urethane-block-copolymer-as-binder-for-fire-resist-palm-based-fibreboard/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A urethane block copolymer as binder for fire-resist palm-based fibreboard** ![](http://ppc.jpg)Page Range: p.681-686 Author(s): Amamer Redwan; Khairiah Haji Badri; Azizah Baharum ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The mechanical properties and fire resistance of medium-density fibreboard (MDF) consisting of empty fruit bunch fibre (EFB) and palm-based pre-polyurethane (pPU) as the green binder were investigated. The EFB was in the size range of 300 to 500 (mu)m with ATH varied at 5, 10, and 15%w/w of the total mass of the resin and was added into the pPU matrix at a ratio of 65:35 of the EFB to pPU. This study discovered the significant of mixing sequence to the strength enhancement of the fibreboard. A direct proportionality was noted between the Shore D hardness and the amount of ATH with an increase up to 17% with increasing ATH content. Furthermore, this is contributed to well-disperse ATH in the pPU matrix which also increased the impact and flexural strengths. An increase in impact strength of 13, 20 and 33%, with increasing ATH loading percentage was observed. The maximum increase in flexural strength was 33%, which was associated to ATH content of 15%. On the other hand, the burning rate decreased from 6.0 to 3.2 mm(.)s-1 with increasing ATH content. 32 Refs. --- Source: https://polymerjournals.com/ionic-imprinting-polymers-using-diallylaminomethyl-calix4-resorcinarene-host-for-the-recognition-of-pb-ii-ions/ # Ionic imprinting polymers using diallylaminomethyl-calix\[4\] resorcinarene host for the recognition of Pb (II) ions > Title: Ionic imprinting polymers using diallylaminomethyl-calix[4] resorcinarene host for the recognition of Pb (II) ions Page Range: p.687-694 Author(s): Nor Nadiah Mohamad Yusof; Takaomi Kobayashi; Yasuaki Kikuchi Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/ionic-imprinting-polymers-using-diallylaminomethyl-calix4-resorcinarene-host-for-the-recognition-of-pb-ii-ions/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Ionic imprinting polymers using diallylaminomethyl-calix[4] resorcinarene host for the recognition of Pb (II) ions** ![](http://ppc.jpg)Page Range: p.687-694 Author(s): Nor Nadiah Mohamad Yusof; Takaomi Kobayashi; Yasuaki Kikuchi ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** A novel ion-imprinted microspheres of copolymerised diallylaminomethyl-calix [4] resorcinarene and divinylbenzene were prepared through precipitation polymerisation. These microspheres were used for the adsorption experiments of Pb (II) ions mixture solution containing Pb (II), Ni (II) and Cu (II). The selective complexion towards Pb (II) ions was examined. The adsorption was conducted in batches by investigating the effects of pH and initial concentration of a heavy metal solution. The adsorption of Pb (II) metal ions on the adsorbents had the optimum pH rating in region of 6. For single ion system, the imprinted polymer showed that the adsorption capacity of Pb (II) metal ions was 64 mg/g, while for Cu (II and Ni (II) were 24 mg/g and 8 mg/g, respectively. Competitive extraction experiments in the presence of Cu (II) and Ni (II) ions were also carried out and high selectivity of the imprinted polymer adsorbents towards Pb (II) over Cu (II) and Ni (II) was found. In ternary mixture of heavy metal ions, the imprinted polymer showed effective adsorption to Pb (II) obeying Langmuir isotherm. The outstanding adsorption abilities for Pb (II) metal ion have exhibited good prospects for disposal application of polluted water and environmental protection. 29 Refs. --- Source: https://polymerjournals.com/preparation-of-colloidal-properties-and-water-dispersible-conductive-polypyrrole-nanocomposite-of-nanocrystalline-cellulose/ # Preparation of colloidal properties and water dispersible conductive polypyrrole nanocomposite of nanocrystalline cellulose > Title: Preparation of colloidal properties and water dispersible conductive polypyrrole nanocomposite of nanocrystalline cellulose Page Range: p.695-702 Author(s): Al-Dulaimi A A; Wanrosli W D Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-of-colloidal-properties-and-water-dispersible-conductive-polypyrrole-nanocomposite-of-nanocrystalline-cellulose/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation of colloidal properties and water dispersible conductive polypyrrole nanocomposite of nanocrystalline cellulose** ![](http://ppc.jpg)Page Range: p.695-702 Author(s): Al-Dulaimi A A; Wanrosli W D ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The development of conductive polypyrrole (PPY) processability was successfully achieved by a synthesis of colloidal form with high dispersion stability in aqueous medium. In-situ polymerisation method of pyrrole monomers (PY) assisted by aqueous suspension nanocrystalline cellulose (NCC) and the oxidising agent ammonium persulphate (APS). Facial and fast technique consisted of deposition of PY monomers on the NCC surface via electrostatic attractions between the sulphate groups in NCC surface and the amine group of the PY. Steric hindrance feature of NCC suspension significantly influences the colloid production. The nanocomposite of PPY and NCC (PPY-NCC), purified by centrifuge repeatedly and desiccated by freeze-dry technique. The observations of scanning electron microscopy (SEM) and transmission electron microscopy (TEM), clearly shows the nanostructure modification for nanocomposite and the NCC particles after the composition. The PPY-NCC nanocomposite have very good dispersion stability in aqueous media. The variation between PPY and PPY-NCC in the crystallinity and thermal stability was studied by thermogravimetric analysis (TGA) and x-ray diffraction (XRD) respectively. 43 Refs. --- Source: https://polymerjournals.com/synthesis-of-carbazole-based-co-polymers-containing-thienothiophene-and-benzothiadiazole-units-in-a-direct-arylation-scheme/ # Synthesis of carbazole based co-polymers containing thienothiophene and benzothiadiazole units in a direct arylation scheme > Title: Synthesis of carbazole based co-polymers containing thienothiophene and benzothiadiazole units in a direct arylation scheme Page Range: p.703-710 Author(s): Mohd Sani Sarjadi; Ahmed Iraqi Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/synthesis-of-carbazole-based-co-polymers-containing-thienothiophene-and-benzothiadiazole-units-in-a-direct-arylation-scheme/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Synthesis of carbazole based co-polymers containing thienothiophene and benzothiadiazole units in a direct arylation scheme** ![](http://ppc.jpg)Page Range: p.703-710 Author(s): Mohd Sani Sarjadi; Ahmed Iraqi ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The photovoltaic effect can be used to harvest energy from sunlight, enabling a cleaner approach to generating energy. Organic photovoltaics based on polymers are an attractive replacement of expensive, high energy consuming silicon solar cells. However, the limitations of efficiency have prevented industrial application, and polymer-based solar cells remain uncompetitive. Thus, optimisation of efficiency is required before potential application of these devices. In this work, the polymers were synthesised by direct arylation, in order to investigate its suitability for application in photovoltaic cell. Morphological, spectroscopic and charge-transport measurements are used to investigate the influence of either the dithienyl or thienothiophene moieties on the structure and photophysical properties of the copolymer rationalise the solar cell characteristics. The polymers obtained were characterised using 1H-NMR, 13C-NMR, IR, UV and thermal gravimetric analysis. The absorption spectral, thermal, electrochemical and photovoltaic properties of the random copolymers were investigated. Finally, a new series of carbazole-based dithienyl or thienothiophene polymers was successfully synthesised and characterised. 30 Refs. --- Source: https://polymerjournals.com/the-role-of-phosphate-ester-as-a-fire-retardant-in-the-palm-based-rigid-polyurethane-foam/ # The role of phosphate ester as a fire retardant in the palm-based rigid polyurethane foam > Title: The role of phosphate ester as a fire retardant in the palm-based rigid polyurethane foam Page Range: p.711-718 Author(s): Nor Rabbi'atul Adawiyah Norzali; Khairiah Haji Badri Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/the-role-of-phosphate-ester-as-a-fire-retardant-in-the-palm-based-rigid-polyurethane-foam/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The role of phosphate ester as a fire retardant in the palm-based rigid polyurethane foam** ![](http://ppc.jpg)Page Range: p.711-718 Author(s): Nor Rabbi'atul Adawiyah Norzali; Khairiah Haji Badri ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Palm-based polyurethane containing phosphate ester (PE) as fire retardant has been developed. This study was conducted to investigate the effect of PE inclusion into palm-based polyurethane (PU) system onto the mechanical and burning property of the PU. The PE was synthesised via ring-opening hydrolysis between phosphoric acid (H3PO4) and epoxy. The synthesis was conducted at 60-70 deg C with varying concentration of H3PO4 at 2.5, 5.0 and 7.5 wt.%. It was then added into the PU system at 0, 5, 10 and 15 wt.%. Density of the PU foam was in the range of 45-50 kg(.)m-3. PE increased the compression strength and modulus of the PU. The highest compression stress (1441 kPa) and modulus (7733 kPa) were discovered with the addition of 10 wt.% PE. Burning properties showed that the addition of PE has decreased the burning rate of the PU foam. PU with PE synthesised from 5.0 wt.% H3PO4 showed excellent burning properties with the lowest burning rate (0.047 cm(.)s-1) compared to control PU which was at 0.119 cm(.)s-1. 23 Refs. --- Source: https://polymerjournals.com/preparation-of-cellulose-nanocrystals-bio-polymer-from-agro-industrial-wastes-separation-and-characterization/ # Preparation of cellulose nanocrystals bio-polymer from agro-industrial wastes: separation and characterization > Title: Preparation of cellulose nanocrystals bio-polymer from agro-industrial wastes: separation and characterization Page Range: p.719-728 Author(s): Mazlita Y; Lee H V; Hamid S B A Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/preparation-of-cellulose-nanocrystals-bio-polymer-from-agro-industrial-wastes-separation-and-characterization/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation of cellulose nanocrystals bio-polymer from agro-industrial wastes: separation and characterization** ![](http://ppc.jpg)Page Range: p.719-728 Author(s): Mazlita Y; Lee H V; Hamid S B A ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1242811.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Lignocellulosic biomass from oil palm agro-industrial waste is highly potential to be valorised into cellulose polymer in nanoscale, which is useful for various applications. The present study discussed the synthesis of cellulose nanocrystal (CNC) from oil palm trunk (OPT) biomass via chemical-sonication process. The effect of pretreated alkali-bleached OPT and H2SO4 acid hydrolysed (40% and 60% w/w) cellulose were investigated by utilising X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). Biomass crystallinity, thermal stability and chemical functional group suggested that the pretreatment process has successfully isolated cellulose from OPT, which indicated the removal of lignin, hemicellulose and impurities from the palm fibres. Furthermore, SEM and TEM images revealed that CNC40 and CNC60 were observed in rod-shaped structure with the dimension of 100.00 nm (L) x 27.50 nm (d) and 95.00nm (L) x 25.00nm (d), respectively, and corresponded to the aspect ratio of 3.63 and 3.80, respectively. In the presence of sonication condition, the study suggested that both 40 and 60%w/w of H2SO4 rendered active effect for acid depolymerisation of cellulose at 45 deg C and 15 min of time. Thus, this can concluded that milder acid (40%w/w) was able to produce cellulose in nanosizes under mild operating condition with the assistant of sonication effect. 40 Refs. --- Source: https://polymerjournals.com/exploring-the-potentials-of-nanocellulose-whiskers-derived-from-oil-palm-empty-fruit-bunch-on-the-development-of-polylactid-acid-based-green-nanocomposites/ # Exploring the potentials of nanocellulose whiskers derived from oil palm empty fruit bunch on the development of polylactid acid based green nanocomposites > Title: Exploring the potentials of nanocellulose whiskers derived from oil palm empty fruit bunch on the development of polylactid acid based green nanocomposites Page Range: p.729-734 Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi; Marliana M M; Nurul Fazita M R... Canonical URL: https://polymerjournals.com/exploring-the-potentials-of-nanocellulose-whiskers-derived-from-oil-palm-empty-fruit-bunch-on-the-development-of-polylactid-acid-based-green-nanocomposites/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Exploring the potentials of nanocellulose whiskers derived from oil palm empty fruit bunch on the development of polylactid acid based green nanocomposites** ![](http://ppc.jpg)Page Range: p.729-734 Author(s): Mohamad Haafiz M K; Azman Hassan; Reza Arjmandi; Marliana M M; Nurul Fazita M R ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** In this study, nanocellulose whiskers (NCW) from oil palm empty fruit bunches (OPEFB) were used as reinforcement phase in polylactid acid (PLA). Two techniques were employed to isolate the NCW from OPEFB microcrystalline cellulose (OPEFB-MCC); chemical swelling with DMAc containing 0.5% LiCl to generate the NCW and acid hydrolysis with 64% H2SO4 to generate the NCW-S. The atomic force microscopy showed that the isolated NCW and NCW-S are in nanoscale dimension and displayed an individual rod-like structure. The fillers were then incorporated in PLA matrix at different loadings (1, 3, and 5 parts per hundred resin (phr)) to produce P-NCW and P-NCW-S nanocomposites via solution casting technique. The mechanical properties of the developed nanocomposites were investigated by means of tensile test. The results showed that the tensile strength of nanocomposites increased by 84% and 64% for the NCW and NCW-S reinforced PLA nanocomposites, respectively. The Young's modulus of nanocomposites increased linearly with the fillers loading. Expectedly, the percent elongation at break was impacted negatively as it decreased with fillers loading. The thermogravimetric analysis showed that the decomposition temperatures (T10, T50 and Tmax) of P-NCW were higher than neat PLA. In the case of P-NCW-S however, the thermal stability decreased with the additional of NCW-S. 25 Refs. --- Source: https://polymerjournals.com/effects-of-recycling-cycle-on-used-thermoplastic-polymer-and-thermoplastic-elastomer-polymer/ # Effects of recycling cycle on used thermoplastic polymer and thermoplastic elastomer polymer > Title: Effects of recycling cycle on used thermoplastic polymer and thermoplastic elastomer polymer Page Range: p.735-740 Author(s): Yu Lih Jiun; Cher Tien Tze; Usaid Moosa; Tawawneh M A Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effects-of-recycling-cycle-on-used-thermoplastic-polymer-and-thermoplastic-elastomer-polymer/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effects of recycling cycle on used thermoplastic polymer and thermoplastic elastomer polymer** ![](http://ppc.jpg)Page Range: p.735-740 Author(s): Yu Lih Jiun; Cher Tien Tze; Usaid Moosa; Tawawneh M A ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1242813.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Due to several environmental problems arising through the disposal of polymers, recycling has been growing rapidly as one of the best approaches to minimise environment pollution issue. Apart from the positive impacts towards environmental sustainability, recycling polymer is also benefiting in terms of manufacturing cost reduction, energy conservation and material resource conservation. The aim of this study was to investigate how recycling cycle affects the physical properties and mechanical properties for both used thermoplastic polymer and thermoplastic elastomer polymer. Samples were prepared by melting used polymers via melt blending technique. Results showed that tensile strength and density were decreased for thermoplastic polymer and the changes in visual are significant when the number of recycling cycle was increased. Tensile strength, yield strength and Young Modulus of thermoplastic elastomer are independent from number of recycling cycles. Presence of antioxidant fillers in thermoplastic elastomer enhanced the tensile strength (28.23%) and Young Modulus (29.16%) when the polymers were exposed to ultraviolet light. 25 Refs. --- Source: https://polymerjournals.com/biodegradability-and-thermal-properties-of-hybrid-montmorillonite-microcrystalline-cellulose-filled-polylactic-acid-composites-effect-of-filler-ratio/ # Biodegradability and thermal properties of hybrid montmorillonite/microcrystalline cellulose filled polylactic acid composites: effect of filler ratio > Title: Biodegradability and thermal properties of hybrid montmorillonite/microcrystalline cellulose filled polylactic acid composites: effect of filler ratio Page Range: p.741-746 Author(s): Reza Arjmandi; Azman Hassan; Mohamad Haafiz M K; Zainoha Zakaria Click Here to Download Now! - File size: (subscribers only) Journal:... Canonical URL: https://polymerjournals.com/biodegradability-and-thermal-properties-of-hybrid-montmorillonite-microcrystalline-cellulose-filled-polylactic-acid-composites-effect-of-filler-ratio/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Biodegradability and thermal properties of hybrid montmorillonite/microcrystalline cellulose filled polylactic acid composites: effect of filler ratio** ![](http://ppc.jpg)Page Range: p.741-746 Author(s): Reza Arjmandi; Azman Hassan; Mohamad Haafiz M K; Zainoha Zakaria ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The objective of this study is to investigate the effects of partial replacement of montmorillonite (MMT) with microcrystalline cellulose (MCC) on the biodegradability and thermal properties of hybrid MMT/MCC filled polylactic acid (PLA) composites prepared using solution casting technique. Based on our previous study, the optimum MMT content based on having the highest tensile strength in PLA/MMT nanocomposites is 5 phr (parts per hundred parts of polymer). Therefore, the PLA/MMT/MCC hybrid composites were prepared at a total filler content of 5 phr. The biodegradability and thermal properties of PLA hybrid composites were investigated using soil burial test and thermogravimetric analysis, respectively. The biodegradability of PLA/MMT/MCC hybrid composites (1 phr MMT and 4 phr MCC) at 8th week significantly increased by approximately 228% and 367% compared to the optimum formulation of PLA/MMT nanocomposite and neat PLA, respectively. In addition, Fourier transform infrared spectroscopy (FTIR) revealed the formation of hydrogen bonding between the fillers and PLA matrix. The thermal stability of hybrid composites improved from 358.3 to 362.2 deg C by incorporation of hybrid MMT/MCC (1 phr MMT and 4 phr MCC) into PLA matrix, as demonstrated by maximum decomposition temperature. 26 Refs. --- Source: https://polymerjournals.com/tio2-sio2-reinforced-methylated-grafted-natural-rubber-mg49-tio2-sio2-polymer-nanocomposites-preparation-optimization-and-characterization/ # TiO2-SiO2-reinforced methylated grafted natural rubber (MG49-TiO2-SiO2) polymer nanocomposites: preparation, optimization and characterization > Title: TiO2-SiO2-reinforced methylated grafted natural rubber (MG49-TiO2-SiO2) polymer nanocomposites: preparation, optimization and characterization Page Range: p.747-754 Author(s): Oon Lee Kang; Azizan Ahmad; Nur Hasyareeda Hassan; Usman Ali Rana; Mohd Sukor Suait; Migliaresi C Click Here to Download Now! - File size: (subscribers... Canonical URL: https://polymerjournals.com/tio2-sio2-reinforced-methylated-grafted-natural-rubber-mg49-tio2-sio2-polymer-nanocomposites-preparation-optimization-and-characterization/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TiO2-SiO2-reinforced methylated grafted natural rubber (MG49-TiO2-SiO2) polymer nanocomposites: preparation, optimization and characterization** ![](http://ppc.jpg)Page Range: p.747-754 Author(s): Oon Lee Kang; Azizan Ahmad; Nur Hasyareeda Hassan; Usman Ali Rana; Mohd Sukor Suait; Migliaresi C ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1242815.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** TiO2-SiO2 (30:70) and (70:30) sol particles were first prepared through ClHNO2-EtOH catalysis; and then incorporated into methylated grafted natural rubber (MG49) polymer host. Resultant MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites were characterised through XRD and FTIR analyses. Both MG49-TiO2SiO2 (30:70) and (70:30) polymer nanocomposites had exhibited extensive reduction in semicrystalline phase; but no significant change in structural properties. Low crystalline MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites were further characterised through SEM, TGA and DRA analyses. Both MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites had exhibited different dispersion state on fracture surface. Both MG49-TiO2-SiO2 (30:70) and (70:30) polymer nanocomposites had demonstrated significant improvement in thermal properties, and also some improvement in rheological properties. 13 Refs. --- Source: https://polymerjournals.com/mechanical-thermal-and-instrumented-impact-properties-of-bamboo-fabric-reinforced-polypropylene-composites/ # Mechanical, thermal and instrumented impact properties of bamboo fabric-reinforced polypropylene composites > Title: Mechanical, thermal and instrumented impact properties of bamboo fabric-reinforced polypropylene composites Page Range: p.755-766 Author(s): Mahmud Zuhudi N Z; Jayaraman K; Lin R J T Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/mechanical-thermal-and-instrumented-impact-properties-of-bamboo-fabric-reinforced-polypropylene-composites/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical, thermal and instrumented impact properties of bamboo fabric-reinforced polypropylene composites** ![](http://ppc.jpg)Page Range: p.755-766 Author(s): Mahmud Zuhudi N Z; Jayaraman K; Lin R J T ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Many automotive companies are experimenting with natural fibres as a substitute for glass fibres in polymer composites, especially polypropylene (PP) based composites. PP composites reinforced by plain woven bamboo fabric have recently been widely investigated. Bamboo in woven fabric form embedded in the polymer results in easier material handling during production and reduction in the manufacturing cost of the composites. In the current study, the performance of twill-weave bamboo fabric-reinforced PP composites, which were fabricated using a compression moulding method, was evaluated. The mechanical, thermal and impact performances of the bamboo fabric-reinforced PP (BPP) composites were evaluated in comparison to those of PP, at various bamboo contents and stacking sequences. The incorporation of bamboo fabric resulted in the improvement of tensile strength, tensile modulus, flexural strength, flexural modulus and Charpy impact strength of PP by 238%, 110%, 180%, 170% and 160%, respectively. The integration of bamboo fabric slightly increased the melting temperature and the degree of crystallinity of the composites. A 40% decrease in the heat of fusion of the composites was observed compared to that of PP. Impact tests were also conducted using an instrumented drop weight impact test system. The perforation impact energy, peak load and energy absorbed of the composites increased when the bamboo content was increased. The perforation impact energy was at 55 J for the BPP50% composite, compared to that of neat PP at 20 J. The crack damage in the composites was also reduced with the presence of fabric reinforcement. These results indicate that bamboo fabric is truly a new contender for developing excellent and economical light-weight composites as interior components in automobiles. 35 Refs. --- Source: https://polymerjournals.com/mechanical-properties-of-bio-composite-natural-rubber-high-density-polyethylene-mengkuang-fiber-nr-hdpe-mk/ # Mechanical properties of bio-composite natural rubber/high density polyethylene/ mengkuang fiber (NR/HDPE/MK) > Title: Mechanical properties of bio-composite natural rubber/high density polyethylene/ mengkuang fiber (NR/HDPE/MK) Page Range: p.767-774 Author(s): Mohd Razi Mat Piah; Azizah Baharum; Ibrahim Abdullah Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/mechanical-properties-of-bio-composite-natural-rubber-high-density-polyethylene-mengkuang-fiber-nr-hdpe-mk/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical properties of bio-composite natural rubber/high density polyethylene/ mengkuang fiber (NR/HDPE/MK)** ![](http://ppc.jpg)Page Range: p.767-774 Author(s): Mohd Razi Mat Piah; Azizah Baharum; Ibrahim Abdullah ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The use of mengkuang fibre (MK) as a filler in NR/HDPE/MK bio-composite was investigated. The suitability of MK as reinforcing filler was studied in terms of the mechanical properties and phase morphology formed. Melt-blending was performed using an internal mixer (Haake Rheomix 600). The processing parameters identified were 135 deg C temperature, 45 rpm rotor speed and 12 min processing time. The optimum MK loading in 40/60 of NR/HDPE blend was obtained at 20 wt.% with the tensile strength, tensile modulus, and impact strength of 12.4 MPa, 377 MPa and 17.2 kJ/m2, respectively. These results showed an enhancement in tensile strength of 10.7% compared to the unfilled NR/HDPE blend. The maximum impact strength obtained at 5% fibre loading was 23.5 kJ/m2, which was 7.8% higher compared to unfilled NR/HDPE blend. The FESEM micrographs showed good adhesion between MK fibre and matrix. These mechanical properties enhancements proved the suitability of mengkuang fibre as potential reinforcing filler in NR/HDPE blend. 24 Refs. --- Source: https://polymerjournals.com/properties-of-epoxidized-natural-rubber-tread-compound-the-hybrid-reinforcing-effect-of-silica-and-silane-system/ # Properties of epoxidized natural rubber tread compound: the hybrid reinforcing effect of silica and silane system > Title: Properties of epoxidized natural rubber tread compound: the hybrid reinforcing effect of silica and silane system Page Range: p.775-782 Author(s): Siti Salina Sarkawi; Ahmad Kifli Che Aziz; Rohaidah Abdul Rahim; Rassimi Abdul Ghani; Ahmad Nazir Kamaruddin Click Here to Download Now!... Canonical URL: https://polymerjournals.com/properties-of-epoxidized-natural-rubber-tread-compound-the-hybrid-reinforcing-effect-of-silica-and-silane-system/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Properties of epoxidized natural rubber tread compound: the hybrid reinforcing effect of silica and silane system** ![](http://ppc.jpg)Page Range: p.775-782 Author(s): Siti Salina Sarkawi; Ahmad Kifli Che Aziz; Rohaidah Abdul Rahim; Rassimi Abdul Ghani; Ahmad Nazir Kamaruddin ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1242818.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Modification of natural rubber via epoxidation process increases its compatibility with highly polar filler like silica. In this work, epoxidised natural rubber (ENR) reinforced with silica compound is evaluated for truck tyre tread compound. The rheological, physical and dynamic properties as well as the bound rubber content of ENR-silica tread compound are discussed. The results show that ENR-silica compound has high chemically bound rubber indicating the good interaction and bonding between rubber and silica. In addition, the dynamic test shows the ENR-silica vulcanisate exhibit higher Tan delta at 0 deg C and lower tan delta at 60 deg C as compared to conventional natural rubber-carbon black vulcanisate, which gives indication of higher wet grip and lower rolling resistance of the ENR vulcanisate. The use of ENR reinforced with silica filler in tread compound is a unique combination that offers renewable material for greener tyre application. 20 Refs. --- Source: https://polymerjournals.com/effect-of-micro-and-nano-size-of-cellulose-particles-extracted-from-rice-husk-on-the-properties-of-hydrogels/ # Effect of micro- and nano- size of cellulose particles extracted from rice husk on the properties of hydrogels > Title: Effect of micro- and nano- size of cellulose particles extracted from rice husk on the properties of hydrogels Page Range: p.783-788 Author(s): Wan Hafizi Wan Ishak; Ooi Shok Yin; Ishak Ahmad Click Here to Download Now! - File size: (subscribers only)... Canonical URL: https://polymerjournals.com/effect-of-micro-and-nano-size-of-cellulose-particles-extracted-from-rice-husk-on-the-properties-of-hydrogels/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of micro- and nano- size of cellulose particles extracted from rice husk on the properties of hydrogels** ![](http://ppc.jpg)Page Range: p.783-788 Author(s): Wan Hafizi Wan Ishak; Ooi Shok Yin; Ishak Ahmad ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The effects of different size of cellulose particles extracted from rice husk on the properties of gelatin/cellulose hydrogels were studied. Micro size cellulose was extracted by alkali and bleaching treatments followed by acid hydrolysis to obtain cellulose nanocrystal (CNC). Both cellulose (micro) and CNC (nano) were used in hydrogels formulation with gelatin (in ratio 25% cellulose dispersion to 75% gelatin). Gelatin was then subjected to chemical cross-linking using glutaraldehyde as crosslinking agent with CNC entrapped in gelatin to produce hydrogels. SEM observation revealed that swollen micro cellulose has irregular and bigger pores compared to cellulose nanocrystal (CNC) hydrogel which has homogeneous and smaller pores arrangement thus affecting their swelling degree. The cellulose fibres exhibit enhanced thermal stability but contrary with the cellulose nanocrystals which showed lower thermal stability. 22 Refs. --- Source: https://polymerjournals.com/efficacy-of-fibre-aspect-ratio-and-prepolymerised-polyurethane-as-binder-in-enhancing-strength-of-palm-based-fibreboard/ # Efficacy of fibre aspect ratio and prepolymerised polyurethane as binder in enhancing strength of palm-based fibreboard > Title: Efficacy of fibre aspect ratio and prepolymerised polyurethane as binder in enhancing strength of palm-based fibreboard Page Range: p.789-794 Author(s): Azlin Mohmad Azman; Azizah Baharum; Khairiah Haji Badri Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and... Canonical URL: https://polymerjournals.com/efficacy-of-fibre-aspect-ratio-and-prepolymerised-polyurethane-as-binder-in-enhancing-strength-of-palm-based-fibreboard/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Efficacy of fibre aspect ratio and prepolymerised polyurethane as binder in enhancing strength of palm-based fibreboard** ![](http://ppc.jpg)Page Range: p.789-794 Author(s): Azlin Mohmad Azman; Azizah Baharum; Khairiah Haji Badri ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Palm-based medium-density fibreboard (palm-based MDF) comprised of polyurethane prepolymer (pPU) and palm oil empty fruit bunch fibre (EFB) was prepared. The pPU was a reacting mixture in acetone consisted of palm kernel oil-based monoester polyol (PKO-p) and 4,4-diphenylmethane diisocyanate (MDI) with polyethylene glycol (Mw of 200 kDa, PEG200) as the plasticiser. EFB with size ranging from 250 (mu)m to 500 (mu)m (MDF S1), 500 (mu)m to 1000 (mu)m (MDF S2) and 1000 (mu)m to 2000 (mu)m (MDF S3) was investigated. The flexural strength and modulus increased with decreasing fibre size with optimum strength and modulus at 46.7 MPa and 1923 MPa respectively. Higher glass transition temperature (Tg at 77 deg C) was observed in MDF S1 compared to MDF S3 (Tg at 67 deg C). FTIR spectrum indicated possible formation of urethane linkage between the reactive NCO active groups in pPU with OH group from cellulose constituent in EFB fibre. 14 Refs. --- Source: https://polymerjournals.com/effect-of-halloysite-nanoclay-concentration-and-addition-of-glycerol-on-mechanical-properties-of-bionanocomposite-films/ # Effect of halloysite nanoclay concentration and addition of glycerol on mechanical properties of bionanocomposite films > Title: Effect of halloysite nanoclay concentration and addition of glycerol on mechanical properties of bionanocomposite films Page Range: p.795-802 Author(s): Nazratul Putri Risyon; Siti Hajar Othman; Roseliza Kadir Basha; Talib R A Click Here to Download Now! - File size: (subscribers only)... Canonical URL: https://polymerjournals.com/effect-of-halloysite-nanoclay-concentration-and-addition-of-glycerol-on-mechanical-properties-of-bionanocomposite-films/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of halloysite nanoclay concentration and addition of glycerol on mechanical properties of bionanocomposite films** ![](http://ppc.jpg)Page Range: p.795-802 Author(s): Nazratul Putri Risyon; Siti Hajar Othman; Roseliza Kadir Basha; Talib R A ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Conventional plastic made from petrochemical based polymer which is non-degradable is not environmentally friendly. Thus, there is a need to develop bionanocomposite films to replace the non-degradable plastic. Bionanocomposite films were produced by the casting method using polylactic acid (PLA) biopolymer with the incorporation of nanoclay, particularly halloysite. The effect of the halloysite nanoclay concentration (0, 2, 4, 6 and 8 wt.%) as well as the addition of a plasticiser, particularly glycerol, on the mechanical properties (tensile stress, elongation at break and tensile strength) of bionanocomposite films was investigated. It was found that without the addition of glycerol, 2 wt.% concentration of halloysite nanoclay film resulted in the maximum tensile strength and elongation at break due to the interaction of the PLA and the nanoclay which is known for interfacial adhesion. The interaction was confirmed by FTIR spectrum. When more than 2 wt.% of nanoclay clay was added, both the tensile strength and the elongation at break reduced due to the agglomeration of the nanoclay. However, when glycerol was added, the film without the addition of halloysite nanoclay exhibited the maximum tensile strength and the film with 8 wt.% halloysite nanoclay exhibited the maximum elongation at break. The addition of glycerol lowered the mechanical properties of the films because the intercalation of the glycerol into the clays prevented the entry of PLA into the interlamellar of the nanoclay. 30 Refs. --- Source: https://polymerjournals.com/polyethersulfone-nanofiltration-membrane-incorporated-with-silicon-dioxide-prepared-by-phase-inversion-method-for-xylitol-purification/ # Polyethersulfone nanofiltration membrane incorporated with silicon dioxide prepared by phase inversion method for xylitol purification > Title: Polyethersulfone nanofiltration membrane incorporated with silicon dioxide prepared by phase inversion method for xylitol purification Page Range: p.803-808 Author(s): Faneer K A; Rosiah Rohani; Wahab Mohammad A Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/polyethersulfone-nanofiltration-membrane-incorporated-with-silicon-dioxide-prepared-by-phase-inversion-method-for-xylitol-purification/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Polyethersulfone nanofiltration membrane incorporated with silicon dioxide prepared by phase inversion method for xylitol purification** ![](http://ppc.jpg)Page Range: p.803-808 Author(s): Faneer K A; Rosiah Rohani; Wahab Mohammad A ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** Xylitol purity is essential for a high value product obtained from biomass fermentation. Common biomass fermentation from sugar cane bagasse, corncobs or rice husk source in the presence of yeast produces xylitol mixture (containing xylose, arabinose), thus, various methods have been used for the purification such as crystallisation and adsorption. However, membrane technique is of interest due to the operational simplicity and flexibility, relatively high selectivity and permeability for the transport of specific components. Nanofiltration (NF) membrane is targeted for the membrane application based on the ranges of molecular weight of the mixture components that fall in NF (between 200 to 2000 g/mol). In this paper, a new and efficient NF membrane used for purifying xylitol was synthesised from polyethersulphone (PES) and PES incorporated with silicon dioxide (SiO2) nanoparticles (NP) of 5 wt.% via phase inversion technique. These membranes have been characterised for their chemical, physical and morphological properties and their performances have been evaluated in the dead end filtration to obtain the pure water flux and filtration performance using xylitol mixture. EDX showed the presence of SiO2 NP on the membrane for PES/SiO2 membrane but none in PES membrane. The membrane permeation properties improved also when SiO2 has been incorporated to the PES membrane. The hydrophilicity of the PES/SiO2 membrane measured by contact angle improved from 79.7 plus/minus 0.65o to 59.1 plus/minus 0.15o for PES/SiO2 and PES membranes, respectively. The water flux has enhanced for PES/SiO2 membrane from 24.56 to 59.14 L/m2(.)h measured at 4 bar. Therefore, in terms of flux and contact angle, the synthesised membrane of PES/ SiO2 was found to be more effective compared to pure PES membrane. 26 Refs. --- Source: https://polymerjournals.com/reused-carbon-fibre-as-reinforcing-filler-in-palm-based-polyurethane-composites/ # Reused carbon fibre as reinforcing filler in palm-based polyurethane composites > Title: Reused carbon fibre as reinforcing filler in palm-based polyurethane composites Page Range: p.809-814 Author(s): Mariana Mohd Zaini; Nor Rabbiatul Adawiyah Norzali; Khairiah Haji Badri Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/reused-carbon-fibre-as-reinforcing-filler-in-palm-based-polyurethane-composites/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Reused carbon fibre as reinforcing filler in palm-based polyurethane composites** ![](http://ppc.jpg)Page Range: p.809-814 Author(s): Mariana Mohd Zaini; Nor Rabbiatul Adawiyah Norzali; Khairiah Haji Badri ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The loading effect of recycled carbon fibre at 5, 10, 15 and 20 wt.% on the mechanical strength of the palm-based polyurethane (PU-rCF) was investigated. The recycled carbon fibre (rCF) from glycolysis of the carbon fibre epoxy mat (CFRP) was obtained. The glycolysis was conducted at 180-190 deg C under atmospheric pressure and catalysed by 1.9 wt.% NaOH in 80% aqueous medium. The rCF was analysed by FTIR spectroscopy analysis and SEM observation. Clean fibre without residual traces was obtained. The rCF was then incorporated into palm-based polyurethane to form composite panel (PU-rCF).The addition of rCF improved the mechanical strength of the composite. The impact strength increased more than 3 folds from 0.6 kJ/m2 to 3.8 kJ/m2 while the flexural strength increased from 43 MPa to 61 MPa. The shore D hardness index was at the highest (72) with maximum rCF loading of 20 wt.%. As expected, the FTIR spectrum of the PU-rCF indicated the absence of chemical interaction between PU and the rCF. The strong physical interaction between the rCF fibre strands has decreased the brittleness of the PU and increased the mechanical strength of the composites. 21 Refs. --- Source: https://polymerjournals.com/homogeneous-and-heterogeneous-solid-state-self-healing-system/ # Homogeneous and heterogeneous solid state self-healing system > Title: Homogeneous and heterogeneous solid state self-healing system Page Range: p.815-824 Author(s): Noor Nabilah Muhamad; Mohd Suzeren Md Jamil Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9... Canonical URL: https://polymerjournals.com/homogeneous-and-heterogeneous-solid-state-self-healing-system/ Published: 2016-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Homogeneous and heterogeneous solid state self-healing system** ![](http://ppc.jpg)Page Range: p.815-824 Author(s): Noor Nabilah Muhamad; Mohd Suzeren Md Jamil ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.9 **Abstract** The solid state self-healing system was obtained by employing a thermosetting epoxy resin, into which a thermoplastic is dissolved. The aim of this study is to investigate the homogeneous and heterogeneous solid state self-healing system by using thermoplastics comprised of poly(bisphenol-A-co-epichlorohydrin) (PDGEBA), polyvinyl chloride (PVC), polyvinyl alcohol (PVA), polyethylene (PE) and polypropylene (PP) as healing agents. PDGEBA produced homogenous resin blend which undergone random molecule diffusion healing process. A heterogeneous resin blend composed of 8 wt.% PVC, PVA PE, and PP, yielding a "bricks and mortar" morphology wherein the epoxy phase exists as a matrix (mortar) interpenetrated with a percolating thermoplastic (bricks). The healing process in heterogeneous resin blend is attributed to volumetric thermal expansion of healing agent above its melting point in excess of epoxy brick expansion. Healing was achieved by heating the fractured resins to a specific temperature; above their glass transition temperature (Tg) which obtained from dynamic mechanical analysis (DMA) in order for diffusion process and thermal expansion to occur. The thermal properties and bonding formed in the epoxy resins were characterised by means of Fourier Transform Infrared Spectroscopy (FTIR) and dynamic mechanical thermal analysis (DMTA). Izod impact test and compact tension test were conducted to demonstrate details self-healing capability of different specimens. Results of Izod impact test are in agreement with the result of compact tension test. Under compact tension test, the healable resin with PDGEBA has the highest healing efficiency of 60% followed by PVC, PP, PE, and PVA with 39%, 37%, 28% and 21% of average percentage healing efficiencies in three healing cycle respectively. Morphological studies using optical microscope verified the fracture-healing process and morphological properties of the resins. 25 Refs. --- Source: https://polymerjournals.com/determination-of-reactivity-ratios-of-copolymerization-of-acrylamide-am-and-methacryloxyethyltrimethyl-ammonium-chloride-dmc-with-ultraviolet-initiation-and-their-sequence-length-distribution/ # Determination of reactivity ratios of copolymerization of acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) with ultraviolet initiation, and their sequence length distribution > Title: Determination of reactivity ratios of copolymerization of acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) with ultraviolet initiation, and their sequence length distribution Page Range: p.307-314 Author(s): Yonghong Wang; Xinru Zhang; Wanjie Li; Jialiang Cheng; Chengcen Liu; Jiajun Zheng File size: Download... Canonical URL: https://polymerjournals.com/determination-of-reactivity-ratios-of-copolymerization-of-acrylamide-am-and-methacryloxyethyltrimethyl-ammonium-chloride-dmc-with-ultraviolet-initiation-and-their-sequence-length-distribution/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Determination of reactivity ratios of copolymerization of acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) with ultraviolet initiation, and their sequence length distribution** Page Range: p.307-314 Author(s): Yonghong Wang; Xinru Zhang; Wanjie Li; Jialiang Cheng; Chengcen Liu; Jiajun Zheng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102742&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** The copolymer P(AM-DMC), one kind of cationic polyacrylamide, was synthesised by using acrylamide (AM) and methacryloxyethyltrimethyl ammonium chloride (DMC) as monomers with ultraviolet initiation. The copolymer was characterised by Fourier transform infrared spectroscopy. The composition of the copolymer was determined from the chlorine content by silver nitrate titration. The effects of monomer feed ratio and conversion on the composition of copolymer were discussed. Reactivity ratios were determined by the Fineman-Ross, Kelen-Tudos and Yezrielev-Brokhina-Roskin methods, indicating that their positive order calculation results were very different with those of reverse order, when the reactivity ratios were determined by Fineman-Ross. However, their positive order and reverse order calculation results were similar when the reactivity ratios were determined by the Kelen-Tudos and Yezrielev-Brokhina-Roskin methods. Therefore, the reactivity ratios were determined using the average results of the Kelen-Tudos and Yezrielev-Brokhina-Roskin methods. The reactivity ratios of AM and DMC were 2.3398 and 0.2285, respectively. This result showed that the copolymerisation of AM and DMC was a non-ideal random copolymerisation. Furthermore, the content of AM segments decreased with the increase of AM feed content, but the content of DMC segments increased. Moreover, the sequence length distribution was irregular and narrow, because AM was prone to homopolymerisation. 27 Refs. --- --- Source: https://polymerjournals.com/anisotropic-thermal-characteristics-of-graphene-embedded-polyimide-composite-sheets/ # Anisotropic thermal characteristics of graphene-embedded polyimide composite sheets > Title: Anisotropic thermal characteristics of graphene-embedded polyimide composite sheets Page Range: p.315-322 Author(s): Seong-Yeob Park; Jong-Seong Bae; Jin-Gyu Kim; Min-Wook Oh; Jungsoo Kim; Dae-Geun Nam; Jeong Hyun Yeum; Weontae Oh File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/anisotropic-thermal-characteristics-of-graphene-embedded-polyimide-composite-sheets/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Anisotropic thermal characteristics of graphene-embedded polyimide composite sheets** Page Range: p.315-322 Author(s): Seong-Yeob Park; Jong-Seong Bae; Jin-Gyu Kim; Min-Wook Oh; Jungsoo Kim; Dae-Geun Nam; Jeong Hyun Yeum; Weontae Oh File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102743&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** Polyimide-graphene (PIG) composites were prepared, and their thermal properties were characterised as films or sheets. Graphene loadings were controlled up to 8 wt.% or 12 wt.% in their composites. The graphenes used in this work were prepared by the chemical treatment of graphite. The as-prepared polyimide-graphene composites were thermally characterised in films or sheets. The thermal conductivities of the PIG sheets were separately analysed in both in-plane and out-of-plane directions. The thermal expansion coefficients (TECs) of the PIG composites slightly changed with the amount of graphene added to the composites. The in-plane thermal conductivities were higher than the out-of-plane thermal conductivities, and the thermal conductivities of both directions proportionally increased with the graphene loadings in the PIG composites. The temperature-dependent stresses of the composite films monotonically decreased with the graphene loadings. The experimentally obtained thermal characteristics of the polyimide-graphene composites were compared and discussed on the basis of the composite morphologies. 37 Refs. --- --- Source: https://polymerjournals.com/morphology-and-thermal-property-of-polyl-lactide-layered-double-hydroxides-nanocomposites-via-melt-intercalation/ # Morphology and thermal property of poly(l-lactide)/layered double hydroxides nanocomposites via melt intercalation > Title: Morphology and thermal property of poly(l-lactide)/layered double hydroxides nanocomposites via melt intercalation Page Range: p.323-330 Author(s): Mengqi Tang; Fei Qi; Man Chen; Yang Xu; Huan Li; Xiaolang Chen; Jun Qin; Shaoyun Guo; Ru Shen File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/morphology-and-thermal-property-of-polyl-lactide-layered-double-hydroxides-nanocomposites-via-melt-intercalation/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Morphology and thermal property of poly(l-lactide)/layered double hydroxides nanocomposites via melt intercalation** Page Range: p.323-330 Author(s): Mengqi Tang; Fei Qi; Man Chen; Yang Xu; Huan Li; Xiaolang Chen; Jun Qin; Shaoyun Guo; Ru Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102744&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** In this work, sodium dodecyl sulphate (SDS) was used to obtain organically-modified layered double hydroxide (OMgAl-LDH) by anion-exchange reaction. The PLLA/LDH nanocomposites were prepared via direct melt intercalation. The results from both XRD patterns and FTIR spectra showed that SDS entered into the layers of LDH successfully and the layer space was increased from 0.756 to 1.64 nm. For the PLLA/LDH nanocomposites, the increase of the layer space was verified by the good dispersion of LDH in the PLLA matrix from the SEM images. The rheological analysis showed that the typical Newtonian behaviour shifted to shear-thinning behaviour with the addition of LDH. In addition, DSC data illustrated that the glass transition temperature of the PLLA/LDH nanocomposites decreased and the crystallinity of PLLA increased due to the addition of LDH, which indicates that LDH acts as a heterogeneous nucleating agent and induces the crystallisation of PLLA. The modified LDH provided a better nucleating effect than the unmodified LDH. TGA results showed that OMgAl-LDH in the PLLA matrix caused earlier initial decomposition, suggesting that the presence of LDH decreased the thermal stability of the PLLA matrix. 28 Refs. --- --- Source: https://polymerjournals.com/the-effect-of-montmorillonite-modification-on-crystallization-behaviour-of-polypropylene-montmorillonite-composites/ # The effect of montmorillonite modification on crystallization behaviour of polypropylene/montmorillonite composites > Title: The effect of montmorillonite modification on crystallization behaviour of polypropylene/montmorillonite composites Page Range: p.331-340 Author(s): Zhihong Yang; Minghu Wu; Gang Chen; Shengjuan Li; Panpan Peng; Qiaolian Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/the-effect-of-montmorillonite-modification-on-crystallization-behaviour-of-polypropylene-montmorillonite-composites/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The effect of montmorillonite modification on crystallization behaviour of polypropylene/montmorillonite composites** Page Range: p.331-340 Author(s): Zhihong Yang; Minghu Wu; Gang Chen; Shengjuan Li; Panpan Peng; Qiaolian Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102745&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** This paper reports the preparation of organic montmorillonite (OMMT) modified by octadecylamine and polypropylene/montmorillonite (PP/MMT) composites produced by the method of melt compounding. The effect of MMT modification degree on the crystallisation behaviour of PP was emphasised by X-ray diffraction (XRD), polarising optical microscopy and differential scanning calorimetry (DSC). Interlayer d-spacings of 3.02 nm, 1.27 nm and 2.59 nm were detected for MMT modified by octadecylamine, Titivate coupling agent and commercial OMMT, respectively. The spherulite size and the crystallinity of the composite decreased and the number of spherulites increased with the interlayer spacing of OMMT. The values of t1/2 and F(T) for PP crystallisation decreased with the interlayer spacing at a given cooling rate or a given relative crystallinity degree, indicating that MMT with a larger gallery height could accelerate the crystallisation rate of PP more efficiently. Moreover, the composites containing OMMT modified by octadecylamine exhibited better mechanical properties in comparison to those incorporating OMMT modified by Titivate coupling agent and commercial OMMT, indicating that primary amine was one of the best potential surfactants for MMT modification. It was concluded that full modification of OMMT by octadecylamine was more beneficial to the crystallisation of PP and hence caused a positive effect on the mechanical properties of the composites. 42 Refs. --- --- Source: https://polymerjournals.com/processing-routes-for-the-preparation-of-polylactic-acid-cellulose-nanowhisker-nanocomposites-for-packaging-applications/ # Processing routes for the preparation of poly(lactic acid)/cellulose-nanowhisker nanocomposites for packaging applications > Title: Processing routes for the preparation of poly(lactic acid)/cellulose-nanowhisker nanocomposites for packaging applications Page Range: p.341-346 Author(s): Moran J I; Luduena L N; Vu Thanh Phuong; Cinelli P; Lazzeri A; Alvarez V A File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/processing-routes-for-the-preparation-of-polylactic-acid-cellulose-nanowhisker-nanocomposites-for-packaging-applications/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Processing routes for the preparation of poly(lactic acid)/cellulose-nanowhisker nanocomposites for packaging applications** Page Range: p.341-346 Author(s): Moran J I; Luduena L N; Vu Thanh Phuong; Cinelli P; Lazzeri A; Alvarez V A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102746&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** In this work, poly(lactic acid) (PLA)/cellulose-nanowhisker (CNW) nanocomposites were prepared by twinscrew extrusion followed by injection moulding. The CNW was dispersed in a plasticiser/compatibiliser (PL) before the melt mixing process. It was found that the PL not only improved the processability and reduced the fragility of PLA but also prevented the agglomeration of the CNW up to 12 wt.% of CNW content, obtaining well dispersed and distributed PLA/CNW nanocomposites. The prepared nanocomposites were injection moulded and their mechanical/thermal properties were evaluated. PLA/CNW nanocomposites showed better mechanical properties than those of the neat matrix but the material with the lower CNW content showed the best mechanical performance. 23 Refs. --- --- Source: https://polymerjournals.com/techno-economic-feasibility-study-of-new-concept-for-build-up-of-local-load-specific-reinforced-hybrid-structures/ # Techno-economic feasibility study of new concept for build-up of local load specific reinforced hybrid structures > Title: Techno-economic feasibility study of new concept for build-up of local load specific reinforced hybrid structures Page Range: p.347-364 Author(s): Holschuh R; Becker D; Mitschang P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/techno-economic-feasibility-study-of-new-concept-for-build-up-of-local-load-specific-reinforced-hybrid-structures/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Techno-economic feasibility study of new concept for build-up of local load specific reinforced hybrid structures** Page Range: p.347-364 Author(s): Holschuh R; Becker D; Mitschang P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102747&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** This article describes a new process approach, based on a combination of thermoforming and in-situ tape placement for the build-up of locally load-related, reinforced multi-material-systems based on polymer-polymer-hybrids. The process is evaluated and compared with state-of-the-art technologies. A techno-economic analysis is presented for a case study, considering the cost-efficiency throughout the complete development in a process-based and stepwise differentiation approach. Compared to other competing concepts the novel concept offers the potential for reducing the unit costs at large-scale production scenarios. 46 Refs. --- --- Source: https://polymerjournals.com/evaluation-of-the-mechanical-and-radiopacity-properties-of-polymethyl-methacrylate-barium-titanate-denture-base-composites/ # Evaluation of the mechanical and radiopacity properties of poly(methyl methacrylate)/barium titanate-denture base composites > Title: Evaluation of the mechanical and radiopacity properties of poly(methyl methacrylate)/barium titanate-denture base composites Page Range: p.365-374 Author(s): Elshereksi N W; Mohamed S H; Azlan Arifin; Ishak Z A M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/evaluation-of-the-mechanical-and-radiopacity-properties-of-polymethyl-methacrylate-barium-titanate-denture-base-composites/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Evaluation of the mechanical and radiopacity properties of poly(methyl methacrylate)/barium titanate-denture base composites** Page Range: p.365-374 Author(s): Elshereksi N W; Mohamed S H; Azlan Arifin; Ishak Z A M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102748&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** This study aimed to evaluate the flexural and hardness properties of poly(methyl methacrylate) (PMMA) denture base filled with barium titanate (BaTiO3). The BaTiO3 filler was treated with 3-trimethoxysilylpropyl methacrylate, which is a silane coupling agent. Curing was performed in a water bath at 78 deg C for 1.5 h. The samples were tested for tensile and flexural strength and surface hardness. The samples were also radiographed, and their optical densities were determined. Radiopacity values were compared with that of an aluminium (Al) plate with equivalent thickness. A reduction in the tensile and flexural strength of the PMMA composite was observed at high filler loadings. However, the surface hardness of the denture base composites was enhanced as a function of filler loading. The radiopacity of the PMMA/BaTiO3 composites was also improved. Adding 10 wt.% of BaTiO3 to PMMA resulted in a higher optical density (OD) (p< 0.07) compared with that of Al. 47 Refs. --- --- Source: https://polymerjournals.com/thermal-and-mechanical-properties-of-compression-moulded-polylactic-acid-gluten-clays-bionanocomposites/ # Thermal and mechanical properties of compression-moulded poly(lactic acid)/gluten/clays bio(nano)composites > Title: Thermal and mechanical properties of compression-moulded poly(lactic acid)/gluten/clays bio(nano)composites Page Range: p.375-386 Author(s): Mohamed A A; Finkenstadt V L; Gordon S H; Alamri M S; Shahzad Hussain File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/thermal-and-mechanical-properties-of-compression-moulded-polylactic-acid-gluten-clays-bionanocomposites/ Published: 2016-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Thermal and mechanical properties of compression-moulded poly(lactic acid)/gluten/clays bio(nano)composites** Page Range: p.375-386 Author(s): Mohamed A A; Finkenstadt V L; Gordon S H; Alamri M S; Shahzad Hussain File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-5&JournalID=102749&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.5 **Abstract** Bio(nano)composites comprising agricultural-based polymers blended with biodegradable plant-based fillers and clays were produced to develop novel hydrophobic, yet biodegradable materials that have properties comparable to those of petroleum-based plastics. Poly(lactic acid) (PLA), vital wheat gluten (VG), and 3, 6, and 9% clays (NC1 or NC2) were mixed in a Haake Rheocord torque rheometer at 170 deg C for 10 min. Blends were compression-moulded and tested using modulated DSC (MDSC), thermogravimetric analysis (TGA), Instron, FTIR and HPLC. The DSC profile of neat PLA exhibited a glass transition (Tg) and exothermic (Cry) followed by endothermic (Mel) transitions. The profile showed a Tg of 0.46 J/g/ deg C, Cry with 29.6 J/g, whereas Mel exhibited 28.3 J/g. Vital wheat gluten displayed a single Tg (0.45 J/g/ deg C). Enthalpic relaxation of PLA was noted in the presence of clays, where the overall DSC profiles of PLA were different, especially during melting. The hydrophobic nature of NC1 clay created shoulders during PLA melting. The degradation kinetics of the blends followed a multistep mechanism, as shown by the TGA data. The tensile strength dropped because of processing and due to the addition of clay, whereas elongation was reduced by the presence of NC1. Higher Young's modulus value due to NC1 or NC2 indicated stiffer bio(nano)composites. Better biodegradability was indicated after proteinase-K enzyme treatment in the presence of NC1. Due to the hydrophobic nature of NC1, the amount of the acetic acid-extractable protein was reduced. FTIR analysis showed no evidence of chemical reaction between PLA, gluten and the clays, but suggested the occurrence of significant non-covalent intermolecular interactions. 18 Refs. --- --- Source: https://polymerjournals.com/the-low-velocity-impact-response-of-nano-modified-composites-manufactured-using-automated-dry-fibre-placement/ # The low velocity impact response of nano modified composites manufactured using automated dry fibre placement > Title: The low velocity impact response of nano modified composites manufactured using automated dry fibre placement Page Range: p.233-240 Author(s): Umer R; Rao S; Zhou J; Guan Z; Cantwell W J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/the-low-velocity-impact-response-of-nano-modified-composites-manufactured-using-automated-dry-fibre-placement/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The low velocity impact response of nano modified composites manufactured using automated dry fibre placement** Page Range: p.233-240 Author(s): Umer R; Rao S; Zhou J; Guan Z; Cantwell W J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102698&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** The low velocity impact response of composite materials manufactured from dry fibre tows using the automated fibre placement technique has been investigated. Following fibre placement, the dry preforms were infused with an epoxy resin. The influence of incorporating graphene oxide (GO) nanoparticles into the matrix was investigated, and the impact response of these samples was compared to that of its plain resin counterpart. Flexural and low velocity impact tests were undertaken in this study to understand the influence of GO nano-filler loading on mechanical behaviour of the unreinforced epoxy resin. The introduction of GO into the resin showed nearly 50% increase in ductility compared with that of the neat polymer at a mere 0.1 wt% filler loading. However, GO had a negligible effect on the impact response of these novel composites. There was no observable difference between the load-displacement traces or the resulting damage in the plain and unmodified composites. It is possible that the polymer's ability to undergo larger non-linear deformation at lower rates of strain is suppressed when it is subjected to impact rates of loading. 18 Refs. --- --- Source: https://polymerjournals.com/thermal-conductivities-of-2-5-dimensional-woven-composites/ # Thermal conductivities of 2.5 dimensional woven composites > Title: Thermal conductivities of 2.5 dimensional woven composites Page Range: p.241-248 Author(s): Leilei Song; Wei Geng; Yufen Zhao; Xiaoming Chen; Jialu Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/thermal-conductivities-of-2-5-dimensional-woven-composites/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Thermal conductivities of 2.5 dimensional woven composites** Page Range: p.241-248 Author(s): Leilei Song; Wei Geng; Yufen Zhao; Xiaoming Chen; Jialu Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102699&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** The thermal conductivities of 2.5 dimensional (2.5D) woven composites were measured by using transient hot-wire method (THWM) in this study. The results showed that the THWM could also be used to measure the thermal conductivity of 2.5D woven composites, which were considered to be homogeneous materials. Heat diffusion models of the samples were simulated. The thermal conductivities of 2.5 dimensional woven composites increased with the warp fibre volume fraction when the hot wire was perpendicular to the warp direction. It was important that the thermal conductivity of 2.5 dimensional woven composites was found to be affected by the yarn size. Thermal conductivities also increased with the effective yarn size. Finally, thermal conductivities of 2.5 dimensional woven composites increased with the temperature from 288.15K to 298.15K, although the enhancement was not great. These conclusions indicated that the thermal conductivity of 2.5 dimensional woven composites was affected by the internal structure and the external environment. 39 Refs. --- --- Source: https://polymerjournals.com/a-novel-approach-for-fabricating-poly-l-lactide-materials-by-onestep-bulk-polymerization/ # A novel approach for fabricating poly-l-lactide materials by onestep bulk polymerization > Title: A novel approach for fabricating poly-l-lactide materials by onestep bulk polymerization Page Range: p.249-254 Author(s): Zhiyuan Peng; Zhiping Li; Fan Zhang; Xiaochun Peng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/a-novel-approach-for-fabricating-poly-l-lactide-materials-by-onestep-bulk-polymerization/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A novel approach for fabricating poly-l-lactide materials by onestep bulk polymerization** Page Range: p.249-254 Author(s): Zhiyuan Peng; Zhiping Li; Fan Zhang; Xiaochun Peng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102700&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** Poly-L-lactide (PLLA) is one of the most significant members of a group of bioabsorbable polymers. A new approach for fabricating PLLA material was investigated by one-step bulk polymerisation. The focus of this paper was on the effect of reaction temperature and reaction time on the weight-average molar mass, the polydispersity index (PDI), and the flexural strength and modulus. Gel permeation chromatography (GPC), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR) and mechanical properties measurements were used to characterise the products. It was found that the optimal reaction conditions were at 140 degC for 24 h, under which the highest (5.02 x 105 Da) and the lowest PDI (1.16) were reached. In addition this material had the highest flexural strength and modulus, 74.58 plus/minus 2.35 MPa and 1.62 plus/minus 0.14 GPa, respectively. 19 Refs. --- --- Source: https://polymerjournals.com/a-study-of-the-friction-coefficients-of-unidirectional-and-woven-carbon-fibre-epoxy-composites/ # A study of the friction coefficients of unidirectional and woven carbon fibre/epoxy composites > Title: A study of the friction coefficients of unidirectional and woven carbon fibre/epoxy composites Page Range: p.255-264 Author(s): Cheng B; Kortschot M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/a-study-of-the-friction-coefficients-of-unidirectional-and-woven-carbon-fibre-epoxy-composites/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A study of the friction coefficients of unidirectional and woven carbon fibre/epoxy composites** Page Range: p.255-264 Author(s): Cheng B; Kortschot M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102701&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** The friction coefficients of unidirectional carbon fibre/epoxy composites (with the fibres parallel and antiparallel to the sliding direction) were measured under severe abrasive conditions. Aluminium oxide sandpapers with three different grits (36, 80, and 120) were used as the counter surfaces. Three different applied loads (5, 10, 22N) and two different sliding speeds (2 m/s, 4 m/s) were selected as the testing parameters. Under these conditions, composites with fibres parallel to the sliding direction had a significantly lower friction coefficient. Using the measured friction coefficients of unidirectional composites, a modified rule of mixtures equation was developed to predict the friction coefficients of woven carbon fibre/epoxy composites under the conditions. The model is based on the hypothesis that the more wear resistant regions of the weave (fibres that are parallel to the sliding direction in this case) would protect the less wear resistant regions (fibres that are antiparallel to the sliding direction), and that the load is redistributed to yield equal wear rates for the two zones. It was found that the model was able to accurately predict the friction coefficients of the woven composites for the abrasive conditions tested in this study. 17 Refs. --- --- Source: https://polymerjournals.com/a-study-of-bubble-electrospinning-of-ethylcellulose-ultrafine-fibres/ # A study of bubble electrospinning of ethylcellulose ultrafine fibres > Title: A study of bubble electrospinning of ethylcellulose ultrafine fibres Page Range: p.265-272 Author(s): Ketankumar Vadodaria; Stylios G File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4... Canonical URL: https://polymerjournals.com/a-study-of-bubble-electrospinning-of-ethylcellulose-ultrafine-fibres/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A study of bubble electrospinning of ethylcellulose ultrafine fibres** Page Range: p.265-272 Author(s): Ketankumar Vadodaria; Stylios G File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102702&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** Bubble electrospinning (BE) is a recently-invented simple needleless concept to produce nanofibres. The bubble electrospinning method is not yet well established and there is a need to study the effects of different parameters on the fibre morphology. In the present work, ethylcellulose (EC) was successfully electrospun from 15% EC solution in toluene:ethanol (60:40) by bubble electrospinning. The effects of different parameters such as solution surface to collector distance and applied voltage on the morphology of bubble electrospun EC nanofibres were studied and are discussed below. Bubble electrospun EC fibres showed an increase in diameter as the distance between solution surface and collector increased. However, when the applied voltage was increased, the EC fibre diameter was initially reduced but then increased. The results are discussed in detail in the paper. FTIR analysis of EC powder, solution and fibres were also studied. 47 Refs. --- --- Source: https://polymerjournals.com/electrical-conductivity-studies-of-conducting-polymer-nanocomposites-in-ambient-conditions/ # Electrical conductivity studies of conducting polymer nanocomposites in ambient conditions > Title: Electrical conductivity studies of conducting polymer nanocomposites in ambient conditions Page Range: p.273-280 Author(s): Shahid Pervez Ansari; Faiz Mohammad File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue... Canonical URL: https://polymerjournals.com/electrical-conductivity-studies-of-conducting-polymer-nanocomposites-in-ambient-conditions/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Electrical conductivity studies of conducting polymer nanocomposites in ambient conditions** Page Range: p.273-280 Author(s): Shahid Pervez Ansari; Faiz Mohammad File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102703&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** Nanocomposites of conducting polymer (polyaniline, PANI) nanoparticles with zinc oxide (ZnO) nanoparticles as inorganic filler and cellulose acetate (CA) as supporting matrix were prepared by a solution-casting method using N-methyl-2-pyrrolidone (NMP) as solvent. The nanocomposites were studied for their DC electrical conductivity and stability in terms of electrical conductivity retention by isothermal accelerated ageing and cyclic accelerated ageing techniques using a four-in-line probe instrument. The nanocomposites were also characterised by FTIR, SEM, TEM, TGA and XRD. All the nanocomposite formulations followed an Arrheniustype temperature dependence of electrical conductivity, which supported a semiconducting nature for their HCl doped state. The electrical conductivity of the as-prepared HCl doped nanocomposites was also found to be in the semiconducting region. The studied nanocomposite formulations showed good stability towards retention of their electrical conductivity up to 90 deg C. X-ray diffractometry (XRD) data suggested the uniform incorporation of zinc oxide nanoparticles in the polymer matrix. 23 Refs. --- --- Source: https://polymerjournals.com/numerical-solution-of-penetration-into-woven-fabric-target-impregnated-with-shear-thickening-fluid/ # Numerical solution of penetration into woven fabric target impregnated with shear thickening fluid > Title: Numerical solution of penetration into woven fabric target impregnated with shear thickening fluid Page Range: p.281-288 Author(s): Naser Kordani; Ali Sadough Vanini; Hosein Amiri File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/numerical-solution-of-penetration-into-woven-fabric-target-impregnated-with-shear-thickening-fluid/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Numerical solution of penetration into woven fabric target impregnated with shear thickening fluid** Page Range: p.281-288 Author(s): Naser Kordani; Ali Sadough Vanini; Hosein Amiri File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102704&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** In this paper, yarn pull-out testing was performed to estimate the pulling-out force and the friction coefficient. Fabrics were impregnated with Shear Thickening Fluid (STF) of two types. Single fibre tensile tests were performed to determine the resistance of each fibre. The speed of pulling out was 500 mm/min and the samples were placed horizontally in a tensile device. The results indicated that the fabric impregnated in STF needed more force in order to get out of the fabric. Friction coefficients of three fabric types of raw fabric, fabric with dissolved fluid and fabric with STF were entered into an explicit dynamics finite element model along with the mechanical characteristic of a yarn. Ballistic range velocity was extracted for samples by the software and was compared with experimental results. The effects of the shear thickening fluid (STF) were considered as frictional effects. 21 Refs. --- --- Source: https://polymerjournals.com/recent-advanced-technologies-in-the-processing-of-hybrid-reinforced-polymers-for-applications-of-membranes/ # Recent advanced technologies in the processing of hybrid reinforced polymers for applications of membranes > Title: Recent advanced technologies in the processing of hybrid reinforced polymers for applications of membranes Page Range: p.289-306 Author(s): Savita Dixit; Sandhya Pal File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/recent-advanced-technologies-in-the-processing-of-hybrid-reinforced-polymers-for-applications-of-membranes/ Published: 2016-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Recent advanced technologies in the processing of hybrid reinforced polymers for applications of membranes** Page Range: p.289-306 Author(s): Savita Dixit; Sandhya Pal File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-4&JournalID=102705&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.4 **Abstract** This review presents a comprehensive introduction to recent advances in the field of blends of the natural and synthetic polymers as new material for biodegradable membranes. These materials and several blends have attracted industrial attention because they exhibit improvements in properties which are required in membrane technology. In the current review, the structure, preparation coating method and properties of the blends of natural and man-made polymer are discussed. We focus on the applications of blend materials for membrane technology like fuel cells, membrane electrolytes and ultrafiltration membranes for water treatment. From the literature, it is found that the most common natural polymers: collagen, chitosan, chitin, cellulose, starch and poly(lactic acid) are used as components of blends with man-made polymers. We have also studied the introduction of nano-fibrous and nano-particles to improve the mechanical properties of these membranes. 117 Refs. --- --- Source: https://polymerjournals.com/effect-of-filler-on-the-mechanical-and-dynamic-properties-of-impact-energy-absorbing-materials/ # Effect of filler on the mechanical and dynamic properties of impact energy-absorbing materials > Title: Effect of filler on the mechanical and dynamic properties of impact energy-absorbing materials Page Range: p.1-6 Author(s): Frank M; Drdlova M; Vladan Prachar; Rybova V; Jaroslav Buchar File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/effect-of-filler-on-the-mechanical-and-dynamic-properties-of-impact-energy-absorbing-materials/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of filler on the mechanical and dynamic properties of impact energy-absorbing materials** Page Range: p.1-6 Author(s): Frank M; Drdlova M; Vladan Prachar; Rybova V; Jaroslav Buchar File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102641&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** Energy-absorbing materials represent an important group of products in the field of increasing the safety of citizens. Research and development including physical properties testing leads to improvement of these materials and protective constructions. Two types of fillers were chosen for testing: macro and microfillers, together with a two-component polyurethane binder. Different recipes of energy absorbing materials were tested and the resulting physico-mechanical properties, namely bulk density and flexural, compressive and impact strength, are listed in this article. Deformation curves were recorded during pressure loading of materials with macrofillers incorporated. Based on these curves, the rate and mode of energy absorption can be predicted. Most samples underwent the Split-Hopkinson pressure bar test which was the crucial method for the determination of impact energy absorption. 7 Refs. --- --- Source: https://polymerjournals.com/effect-of-fiber-volume-fraction-in-fiber-reinforcement-compaction-in-resin-injection-pultrusion-process/ # Effect of fiber volume fraction in fiber reinforcement compaction in resin injection pultrusion process > Title: Effect of fiber volume fraction in fiber reinforcement compaction in resin injection pultrusion process Page Range: p.7-20 Author(s): Shakya N S; Roux J A; Jeswani A L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/effect-of-fiber-volume-fraction-in-fiber-reinforcement-compaction-in-resin-injection-pultrusion-process/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of fiber volume fraction in fiber reinforcement compaction in resin injection pultrusion process** Page Range: p.7-20 Author(s): Shakya N S; Roux J A; Jeswani A L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102642&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** In the resin injection pultrusion process (RIP), the liquid resin is injected into the continuously pulled fibres through the injection slots to cause complete wetout of the fibres. As the resin penetrates through the fibres, the resin also pushes the fibres away from the wall causing compaction of the fibre reinforcements. When the fibres are squeezed together due to compaction, the resin penetration becomes more difficult; thus a resin injection pressure below a certain pressure cannot effectively penetrate through the fibres and achieve complete wetout. However, if the resin injection pressure is too high, the fibres are squeezed together to such an extent that the fibre becomes essentially impenetrable by the liquid resin. The harder it is to penetrate through the fibres, greater is the tendency of the fibres to be pushed away from the wall and cause compaction and affect wetout. In this study, the effect of fibre volume fraction on the fibre reinforcement compaction and the complete wetout is presented. 14 Refs. --- --- Source: https://polymerjournals.com/effects-of-fluorinated-silane-coupling-agent-on-properties-of-microcapsules-for-self-healing-materials/ # Effects of fluorinated silane coupling agent on properties of microcapsules for self-healing materials > Title: Effects of fluorinated silane coupling agent on properties of microcapsules for self-healing materials Page Range: p.21-26 Author(s): Xiulan Cai; Datian Fu; Ailan Qu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/effects-of-fluorinated-silane-coupling-agent-on-properties-of-microcapsules-for-self-healing-materials/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effects of fluorinated silane coupling agent on properties of microcapsules for self-healing materials** Page Range: p.21-26 Author(s): Xiulan Cai; Datian Fu; Ailan Qu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102643&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** Urea-formaldehyde (UF) microcapsules used as self-healing materials were facilely prepared by a sonication technique using epoxy resin (E-51) and UF resin as core and shell materials, respectively. Fluorinated silane coupling agent (KBM-7803) was used to modify the surface of the UF microcapsules. The as-prepared microcapsules were investigated by Fourier transform infrared spectroscopy, which indicated the formation of UF polymer with successful encapsulation of the core materials in UF shell and effective absorption of KBM7803 on the surface of the microcapsules. Analysis of the mechanical properties revealed that the modification using KBM-7803 improved the tensile properties and decreased the elasticity of the microcapsules. The results of scanning electron microscopy illustrated that KBM-7803 modified microcapsules had thin shells, indicating that the microcapsules were capable of being ruptured easily which resulted in the effective release of the curing agent into the crack planes to form a polymer that bonded the crack faces and restored the structural continuity of the composite, leading to effective self-healing. 12 Refs. --- --- Source: https://polymerjournals.com/organo-montmorillonite-modified-bismaleimide-as-matrix-in-carbon-fibre-reinforced-composites/ # Organo-montmorillonite modified bismaleimide as matrix in carbon fibre-reinforced composites > Title: Organo-montmorillonite modified bismaleimide as matrix in carbon fibre-reinforced composites Page Range: p.27-34 Author(s): Wei Li; Bao Quan Zhou; Huan Wei Zhao; Ming Yu Wang; Rong Ren File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/organo-montmorillonite-modified-bismaleimide-as-matrix-in-carbon-fibre-reinforced-composites/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Organo-montmorillonite modified bismaleimide as matrix in carbon fibre-reinforced composites** Page Range: p.27-34 Author(s): Wei Li; Bao Quan Zhou; Huan Wei Zhao; Ming Yu Wang; Rong Ren File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102644&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** Two types of organo-montmorillonite (OMMT) modified bismaleimide (BMI) nanocomposites based on 4,4'-bismaleimide diphenyl methane (BDM) and O,O'-diallyl bisphenol A (DBA) have been synthesised. A compression moulding process was used to fabricate carbon fibre-reinforced OMMT/BMI multiscale composites. X-ray diffractometry (XRD) and transmission electron microscopy (TEM) indicated that the silicate layers of OMMT were partially exfoliated and dispersed uniformly in the nanocomposites. The study showed that the interlaminar shear strength (ILSS) and flexural properties of the carbon fibre composites were improved by the incorporation of OMMT. The maximum increment of the ILSS, flexural strength and elastic modulus of carbon fibre composites were 19.09%, 38.26% and 26.97%, respectively. Scanning electron microscope (SEM) photographs revealed that the destruction modes of carbon fibre composites were also changed after the OMMT was introduced into the composites system. 21 Refs. --- --- Source: https://polymerjournals.com/mechanical-behaviour-of-sorghum-stalk-rind-reinforced-maleic-anhydride-grafted-polyethylene-under-different-environmental-conditions/ # Mechanical behaviour of sorghum stalk rind reinforced maleic anhydride grafted polyethylene under different environmental conditions > Title: Mechanical behaviour of sorghum stalk rind reinforced maleic anhydride grafted polyethylene under different environmental conditions Page Range: p.35-44 Author(s): Bahi Bakeer; Iman Taha; Hamed El-Mously File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/mechanical-behaviour-of-sorghum-stalk-rind-reinforced-maleic-anhydride-grafted-polyethylene-under-different-environmental-conditions/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical behaviour of sorghum stalk rind reinforced maleic anhydride grafted polyethylene under different environmental conditions** Page Range: p.35-44 Author(s): Bahi Bakeer; Iman Taha; Hamed El-Mously File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102645&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** This work investigates the mechanical and service behaviour of high-density polyethylene composites reinforced by sorghum stalk rind (SSR) at various concentrations of fibres and maleic anhydride treated polyethylene (MAPE). Fibre length l and aspect ratio l/w distributions of compounded fibre composites show large numbers of smaller particles. Tensile and bending properties were investigated, taking the effects of some service conditions into consideration, such as water absorption and UV exposure. Untreated polyethylene reinforced with 40 wt.% SSR showed a maximum water uptake of 6.9 wt.%. Generally, reductions in strength and modulus were observed upon immersion in water. In contrast, UV radiation did not show any significant effect on mechanical properties at exposure times of up to 300 h. 21 Refs. --- --- Source: https://polymerjournals.com/modeling-of-bond-of-sand-coated-deformed-glass-fibre-reinforced-polymer-rebars-in-concrete/ # Modeling of bond of sand-coated deformed glass fibre-reinforced polymer rebars in concrete > Title: Modeling of bond of sand-coated deformed glass fibre-reinforced polymer rebars in concrete Page Range: p.45-56 Author(s): Weichen Xue; Yu Yang; Qiaowen Zheng; Zhiqing Fang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/modeling-of-bond-of-sand-coated-deformed-glass-fibre-reinforced-polymer-rebars-in-concrete/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Modeling of bond of sand-coated deformed glass fibre-reinforced polymer rebars in concrete** Page Range: p.45-56 Author(s): Weichen Xue; Yu Yang; Qiaowen Zheng; Zhiqing Fang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102646&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** In this paper, 30 beam tests, 48 Losberg pullout tests and 6 standard pullout tests were conducted to investigate bond-slip response of sand-coated deformed glass fibre-reinforced polymer (GFRP) rebars in concrete. The specimen parameters varied were concrete strength, embedment length, bar diameter and test method. Two failure modes including pullout failure and splitting failure were observed. The experimental bond stress-slip (((s) curves of sand-coated deformed GFRP rebars in concrete in pullout failure included a micro-slippage branch, a slippage branch, a descending branch and a residual branch, while the bbs curves in splitting failure included a micro-slippage branch and a slippage branch. Based on the tests, a new bond-slip constitutive model for sand-coated deformed GFRP rebars in concrete was presented. Compared with other available models, the model proposed in this paper can provide more reliable simulations of the test results. 27 Refs. --- --- Source: https://polymerjournals.com/electromagnetic-interference-shielding-effectiveness-and-electrical-conductivity-of-ni-coated-pcabs-pps-composites-with-reinforcement-of-carbon-fibre/ # Electromagnetic interference shielding effectiveness and electrical conductivity of Ni coated PCABS/PPS composites with reinforcement of carbon fibre > Title: Electromagnetic interference shielding effectiveness and electrical conductivity of Ni coated PCABS/PPS composites with reinforcement of carbon fibre Page Range: p.57-64 Author(s): Sunitha J N; Rajesh C S; Rai S K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/electromagnetic-interference-shielding-effectiveness-and-electrical-conductivity-of-ni-coated-pcabs-pps-composites-with-reinforcement-of-carbon-fibre/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Electromagnetic interference shielding effectiveness and electrical conductivity of Ni coated PCABS/PPS composites with reinforcement of carbon fibre** Page Range: p.57-64 Author(s): Sunitha J N; Rajesh C S; Rai S K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102647&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** In this study, the EMI shielding effectiveness and electrical conductivity of nickel-coated Polycarbonate Acrylonitrile-butadiene-styrene (PCABS)/Polyphenylene Sulphide (PPS) graphitic composites with reinforcement by carbon fibre were investigated. Pulverised PCABS and PPS powder particles were coated with nickel using the electroless deposition technique. Electron microscopy evidenced the uniform nickel deposition on PCABS and PPS powder particles. The conductive composites were prepared with various amounts of nickel-coated PCABS/ PPS, carbon fibre (CF) and graphite in order to increase the electrical conductivity of the matrix. Composites were found to have excellent electrical conductivities of 12 S/cm and 19 S/cm, and electromagnetic interference (EMI) shielding effectiveness of 79 dB and 87 dB respectively. Tensile strengths at break were decreased by filler addition, and both tensile and flexural moduli were increased. The resulting conductive composites could be used in applications where metals have typically been the materials of choice. 41 Refs. --- --- Source: https://polymerjournals.com/effect-of-process-variables-on-the-tensile-properties-of-fibreglass-nonwoven-composites/ # Effect of process variables on the tensile properties of fibreglass nonwoven composites > Title: Effect of process variables on the tensile properties of fibreglass nonwoven composites Page Range: p.65-70 Author(s): Sheraz Hussain Siddique Yousfani; Gong R H; Porat I File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/effect-of-process-variables-on-the-tensile-properties-of-fibreglass-nonwoven-composites/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of process variables on the tensile properties of fibreglass nonwoven composites** Page Range: p.65-70 Author(s): Sheraz Hussain Siddique Yousfani; Gong R H; Porat I File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102648&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** Fibreglass nonwoven composites are a new class of fibre-reinforced composites, and in this work composite samples were manufactured by using nonwoven webs as reinforcement and thermo-setting resin as matrix. The samples were prepared by using a resin infusion technique, and the nonwoven webs were manufactured by a wet-laying method. In this research work, the main purpose was to investigate the effects of different process variables, i.e. dispersion, fibre length and multiple layering, on the tensile properties of these composites. It was found that the tensile strength was improved by better dispersion of fibre strands. Tensile strength and stiffness of the composite samples were also improved by an increase in fibre length and by multiple layering. 14 Refs. --- --- Source: https://polymerjournals.com/pmma-denture-base-composites-reinforced-by-nitrile-rubber-and-ceramic-fillers/ # PMMA denture base composites reinforced by nitrile rubber and ceramic fillers > Title: PMMA denture base composites reinforced by nitrile rubber and ceramic fillers Page Range: p.71-80 Author(s): Alhareb A O; Hazizan Akil; Zainal Arafin Ahmad File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/pmma-denture-base-composites-reinforced-by-nitrile-rubber-and-ceramic-fillers/ Published: 2016-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PMMA denture base composites reinforced by nitrile rubber and ceramic fillers** Page Range: p.71-80 Author(s): Alhareb A O; Hazizan Akil; Zainal Arafin Ahmad File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc24-1&JournalID=102649&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 24 Issue No: No.1 **Abstract** Poly(methyl methacrylate) (PMMA) denture base composites were fabricated by incorporating nitrile butadiene rubber (NBR) particles and ceramic fillers (Al2O3, YSZ, and SiO2). PMMA powder was mixed with liquid methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDMA) as crosslinking agents. The different types of ceramic fillers were fixed at 5 wt.% and NBR particles in proportions of 5, 7.5 and 10 wt.%, respectively, mixed with PMMA. The impact strength (IS) increased and the fracture toughness (KIC) decreased with the increase of NBR content in PMMA matrix. The composites with Al2O3 showed better IS and KIC when compared to YSZ and SiO2 particles. It has been demonstrated that the combination of 10 wt.% NBR/5 wt.% Al2O3 produced the optimum density (1.049 g/cm3), IS (7.41 KJ/m2), KIC (2.45 MPa.m1/2) and statistically the values was significantly increased (p < 0.05). 44 Refs. --- --- Source: https://polymerjournals.com/full-field-measurement-at-the-weave-scale-in-hemp-epoxy-composite-using-digital-image-correlation/ # Full-field measurement at the weave scale in hemp/epoxy composite using digital image correlation > Title: Full-field measurement at the weave scale in hemp/epoxy composite using digital image correlation Page Range: p.589-600 Author(s): Perrier A; de Vasconcellos D S; Touchard F; Chocinski-Arnault L; Mellier D Click Here to Download Now! - File size: (subscribers only) Journal: Polymers... Canonical URL: https://polymerjournals.com/full-field-measurement-at-the-weave-scale-in-hemp-epoxy-composite-using-digital-image-correlation/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Full-field measurement at the weave scale in hemp/epoxy composite using digital image correlation** ![](http://ppc.jpg)Page Range: p.589-600 Author(s): Perrier A; de Vasconcellos D S; Touchard F; Chocinski-Arnault L; Mellier D ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** This paper presents the strain field analysis of a woven hemp composite. Two different stacking sequences were tested: [0/90]7 and [plus/minus 45]7. Tensile tests were coupled with a digital image correlation method in order to measure in-plane longitudinal, transverse and shear strain fields. Strong heterogeneities were observed in both stacking sequences. The obtained spatial resolution was fine enough to allow the comparison of maximum and minimum deformation areas in strain fields with the corresponding weave architecture. It was observed that strain levels were directly linked with strand positions. Results gave, for the studied woven hemp composite, a complete analysis of the local deformation mechanisms. 26 Refs. --- Source: https://polymerjournals.com/in-situ-polymerisation-of-pyrrole-within-the-lattices-of-mesoporous-hexagonal-silica-systems/ # In situ polymerisation of pyrrole within the lattices of mesoporous hexagonal silica systems > Title: In situ polymerisation of pyrrole within the lattices of mesoporous hexagonal silica systems Page Range: p.601-608 Author(s): Feraille G; Foot P J S; Singer R J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/in-situ-polymerisation-of-pyrrole-within-the-lattices-of-mesoporous-hexagonal-silica-systems/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: In situ polymerisation of pyrrole within the lattices of mesoporous hexagonal silica systems** Page Range: p.601-608 Author(s): Feraille G; Foot P J S; Singer R J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102586&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** This study concerns the preparation and characterisation of electrically conducting polypyrrole-silica (PPySi) composites. Pyrrole monomers were adsorbed in nanoporous MCM-41 silicas exhibiting a hexagonal (H1) geometry, some of which had been functionalised using aminopropyltriethoxysilane (APS), and chlorotrimethylsilane (TMS). Composites were then produced through oxidative polymerisation and doping with anions, mainly sodium sulphonates (methylbenzenesulphate (MBSA), dodecylbenzenesulphonate (DBSA) and diethylhexylsulphosuccinate (DEHS)). An attempt to produce similar composites via direct threading of "soluble" polypyrrole was also investigated in order to study the effect of confined geometries on the growth and properties of polypyrrole chains. The final composites exhibited semiconducting properties (aaup to 10-3S. cm-1), and improved thermal and environmental stabilities, making them suitable for applications such as sensors and antistatic agents. 20 Refs. --- --- Source: https://polymerjournals.com/tri-block-copolymer-based-on-crystallizable-amide-segments-and-functionalized-polystyrene/ # Tri-block copolymer based on crystallizable amide segments and functionalized polystyrene > Title: Tri-block copolymer based on crystallizable amide segments and functionalized polystyrene Page Range: p.609-620 Author(s): Vakees E; Suresh J; Kayalvizhi M; Karthik S; Arun A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/tri-block-copolymer-based-on-crystallizable-amide-segments-and-functionalized-polystyrene/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Tri-block copolymer based on crystallizable amide segments and functionalized polystyrene** Page Range: p.609-620 Author(s): Vakees E; Suresh J; Kayalvizhi M; Karthik S; Arun A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102587&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** This article discusses the synthesis and characterisation of segmented tri-block copolymers using monofunctional hard segments (mHS) and difunctional polystyrene soft segments. The main goal of this work was to modify high Tg polystyrene to semicrystalline material, thereby increasing the solvent resistance. Three hard segments were used. The soft segment molar mass was varied from 2500 to 10000 g/mol using dimethyl terephthalate (DMT) as a chain extender. The viscosity of the copolymer linearly increased with respect to the molecular weight of the SS. The crystallisation behaviour of the copolymer was studied by DSC and FT-IR. The TGA results revealed that all copolymers had single-stage decomposition centred around 427 deg C, and the solvent resistance of these materials was very high even at a low amide content. All the copolymers showed low water absorption. 23 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-an-aromatic-imidefunctionalized-polysilsesquioxane-via-the-sol-gel-route/ # Preparation and characterization of an aromatic imidefunctionalized polysilsesquioxane via the sol-gel route > Title: Preparation and characterization of an aromatic imidefunctionalized polysilsesquioxane via the sol-gel route Page Range: p.621-626 Author(s): Schramm C; Rinderer B; Tessadri R Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-an-aromatic-imidefunctionalized-polysilsesquioxane-via-the-sol-gel-route/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation and characterization of an aromatic imidefunctionalized polysilsesquioxane via the sol-gel route** ![](http://ppc.jpg)Page Range: p.621-626 Author(s): Schramm C; Rinderer B; Tessadri R ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** Phthalic acid (benzene-1,2-dicarboxylic acid, PA) and trimesic acid (benzene-1,3,5-tricarboxylic acid, TA) have been reacted with 3-aminopropyltriethoxysilane (APTES) at 110 deg C and 220 deg C (molar ratios 1:1 and 1:2). The reaction at 110 deg C resulted in the formation of the corresponding poly(amic acid), whereas the thermal imidisation at 220 deg C gives rise to the formation of a cyclic polyimide moiety as shown by means of Fourier transform infrared spectroscopy (FT-IR). X-ray powder diffraction (XRPD) measurements revealed that a specific periodic arrangement in the as-prepared materials had been formed. Thermogravimetric analysis (TGA) made evident that the organic-inorganic nanocomposite materials showed improved thermal properties. The reaction of PA with APTES (1:1) at 220 deg C is assumed to yield a ladder-like polysilsesquioxane. 25 Refs. --- Source: https://polymerjournals.com/design-of-a-flat-plate-specimen-suitable-for-biaxial-tensile-tests-on-polymer-materials/ # Design of a flat plate specimen suitable for biaxial tensile tests on polymer materials > Title: Design of a flat plate specimen suitable for biaxial tensile tests on polymer materials Page Range: p.627-638 Author(s): Nayeem Tawqir Chowdhury; Wang J; Wing Kong Chiu Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/design-of-a-flat-plate-specimen-suitable-for-biaxial-tensile-tests-on-polymer-materials/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Design of a flat plate specimen suitable for biaxial tensile tests on polymer materials** ![](http://ppc.jpg)Page Range: p.627-638 Author(s): Nayeem Tawqir Chowdhury; Wang J; Wing Kong Chiu ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1214319.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** Since the introduction of fibre-reinforced polymer composites there has been a surge in the use of adhesives for joints and repairs, and polymer resins as the matrix material for fibre-reinforced composites. The failure mechanisms of these materials have been studied by many researchers; however, there is little accurate experimental data under tension-tension loading published. This is due to the lack of a standard specimen design to perform these tests. The authors propose a flat plate specimen design that has been shown to overcome some of the difficulties presented in literature. A series of tests with this specimen configuration were conducted under varying biaxial loading conditions. The results are plotted in the tension-tension quadrant of the materials failure envelope. For the two polymer materials tested; a linear truncation within the first quadrant of the failure envelope was found. 20 Refs. --- Source: https://polymerjournals.com/non-isothermal-moulding-of-composite-products-with-impregnation-of-the-porous-layer/ # Non-isothermal moulding of composite products with impregnation of the porous layer > Title: Non-isothermal moulding of composite products with impregnation of the porous layer Page Range: p.639-646 Author(s): Baranov A V Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9... Canonical URL: https://polymerjournals.com/non-isothermal-moulding-of-composite-products-with-impregnation-of-the-porous-layer/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Non-isothermal moulding of composite products with impregnation of the porous layer** ![](http://ppc.jpg)Page Range: p.639-646 Author(s): Baranov A V ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** The non-isothermal filling of a flat mould cavity by a Newtonian fluid with simultaneous two-dimensional impregnation of the porous (reinforcing) layer is investigated. The flow in the cavity is described by inertialess Navier-Stokes equations, the flow in the porous layer by Darcy's law, and the flow in the region adjacent to the 'liquid-porous layer' boundary by the Brinkman equation. Viscosity is considered to be temperature dependent. The temperature fields in the channel region and in the permeable layer are interrelated by conjugate boundary conditions of the fourth kind. 23 Refs. --- Source: https://polymerjournals.com/fabrication-and-application-of-low-pressure-wax-injection-rapid-toolings/ # Fabrication and application of low-pressure wax injection rapid toolings > Title: Fabrication and application of low-pressure wax injection rapid toolings Page Range: p.647-652 Author(s): Chil-Chyuan Kuo; Ren-Lung Tsai Click Here to Download Now! - File size: (subscribers only) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 Abstract... Canonical URL: https://polymerjournals.com/fabrication-and-application-of-low-pressure-wax-injection-rapid-toolings/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Fabrication and application of low-pressure wax injection rapid toolings** ![](http://ppc.jpg)Page Range: p.647-652 Author(s): Chil-Chyuan Kuo; Ren-Lung Tsai ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** This paper proposes a method to produce silicone rubber moulds for low-pressure wax injection moulding. Wax spilling is one of the most troublesome problems during the wax injection moulding process. From the point of view of green manufacturing, the optimal processing conditions in the wax injection moulding process were investigated using the Taguchi method. The experimental results revealed that the most influential factor affecting the weight of spilled wax is the injection time. The optimal processing conditions in the wax injection moulding process are an injection temperature of 82 deg C, an injection time of 2 s, an injection pressure of 0.6 kgf/ cm2 and a mould temperature of 60 deg C. 21 Refs. --- Source: https://polymerjournals.com/utilization-of-chicken-eggshell-waste-as-a-bio-filler-for-thermoplastic-polymers-thermal-and-mechanical-characterization-of-polypropylene-filled-with-naturally-derived-caco3/ # Utilization of chicken eggshell waste as a bio-filler for thermoplastic polymers: thermal and mechanical characterization of polypropylene filled with naturally derived CaCO3 > Title: Utilization of chicken eggshell waste as a bio-filler for thermoplastic polymers: thermal and mechanical characterization of polypropylene filled with naturally derived CaCO3 Page Range: p.653-662 Author(s): Arabi Hassen A; Melike Dizbay-Onat; Dhruv Bansal; Bayush T; Uday Vaidya File size: Download the... Canonical URL: https://polymerjournals.com/utilization-of-chicken-eggshell-waste-as-a-bio-filler-for-thermoplastic-polymers-thermal-and-mechanical-characterization-of-polypropylene-filled-with-naturally-derived-caco3/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Utilization of chicken eggshell waste as a bio-filler for thermoplastic polymers: thermal and mechanical characterization of polypropylene filled with naturally derived CaCO3** Page Range: p.653-662 Author(s): Arabi Hassen A; Melike Dizbay-Onat; Dhruv Bansal; Bayush T; Uday Vaidya File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102592&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** The processing and characterisation of polypropylene/eggshell composites was the main objective of this study. Natural source-derived calcium carbonate (CaCO3) was extracted from waste chicken eggshell and compounded with polypropylene polymer. The compound was moulded using the Extrusion Compression Moulding (ECM) process. X-ray diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR) analysis were conducted on the eggshell to characterise its constituents. The effects of filler loading, 30 wt.% eggshell and 30 wt.% eggshell with 5 wt.% of maleic anhydride grafted polypropylene (MAPP) on the mechanical and thermal properties were studied. The addition of a small amount of MAPP during melt extrusion improved the dispersion and bonding of CaCO3 particles in polypropylene. 7.49% decrease in tensile strength, 35.51% enhancement in flexural modulus and 66.05% increase in notched Izod impact energy were obtained by adding 30 wt.% eggshell with 5 wt.% MAPP to polypropylene. Adding 30-wt % of eggshell filler and 5 wt.% MAPP to polypropylene delayed the flame propagation time by 99 seconds. 21 Refs. --- --- Source: https://polymerjournals.com/a-comparison-of-mape-and-peg-effects-on-the-mechanical-characteristics-of-wheat-straw-ldpe-biocomposites-for-packaging-application/ # A comparison of MAPE and PEG effects on the mechanical characteristics of wheat straw/LDPE biocomposites for packaging application > Title: A comparison of MAPE and PEG effects on the mechanical characteristics of wheat straw/LDPE biocomposites for packaging application Page Range: p.663-668 Author(s): Behjat Tajeddin File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/a-comparison-of-mape-and-peg-effects-on-the-mechanical-characteristics-of-wheat-straw-ldpe-biocomposites-for-packaging-application/ Published: 2015-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A comparison of MAPE and PEG effects on the mechanical characteristics of wheat straw/LDPE biocomposites for packaging application** Page Range: p.663-668 Author(s): Behjat Tajeddin File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-9&JournalID=102593&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.9 **Abstract** A viable solution for replacing petroleum-based materials is to combine petroleum and bioresources materials to produce biocomposites having the requisite properties for packaging applications. Although biocomposites have many applications in different purposes such as building construction and aircraft industries, their applications in the packaging engineering are still novel. Therefore, in this study, a biocomposite consisting of low-density polyethylene (LDPE), wheat straw (WS) and the compatibilisers Maleic Anhydride Polyethylene (MAPE) and Polyethylene Glycol (PEG) with molecular weights of 400 and 600, was produced based on the requirements of the packaging industry. By performing different mechanical tests such as tensile, flexure and impact, the effects of the compatibilising agents was determined. The ratios of the matrix to the filling phase applied to the compound were 70/30, 60/40, 50/50, and 40/60, and the compatibilisers were used at the levels of 0, 7, and 10% respectively. The MAPE compatibiliser improved the tensile properties. The compatibiliser type had no effect on the impact strength properties of the biocomposites. The flexural strength of all compounds was higher than that of the control. 24 Refs. --- --- Source: https://polymerjournals.com/deconsolidation-and-its-interdependent-mechanisms-of-fibre-reinforced-polypropylene/ # Deconsolidation and its interdependent mechanisms of fibre reinforced polypropylene > Title: Deconsolidation and its interdependent mechanisms of fibre reinforced polypropylene Page Range: p.515-524 Author(s): Brzeski M; Mitschang P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8... Canonical URL: https://polymerjournals.com/deconsolidation-and-its-interdependent-mechanisms-of-fibre-reinforced-polypropylene/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Deconsolidation and its interdependent mechanisms of fibre reinforced polypropylene** Page Range: p.515-524 Author(s): Brzeski M; Mitschang P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102569&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** Thermoplastic composites offer the possibility of post processing by re-melting of the polymer, but this can lead to a loss of consolidation. The aim of this study is to investigate and quantify the mechanisms leading to deconsolidation. A model is introduced based on the first law of thermodynamics including the following mechanisms: decompaction of the fibre reinforcement network affected by the stored energy during compaction, void evolution due to the surface tension and the gas expansion, moisture in the polymer, and external pressure. These deconsolidation mechanisms are interdependent and have a significant effect on deconsolidation. The modelling approach predicts the deconsolidated state with good agreement to physical measurements. 31 Refs. --- --- Source: https://polymerjournals.com/high-performance-phenolic-resin-based-on-untreated-natural-herbaceous-lignin/ # High performance phenolic resin based on untreated natural herbaceous lignin > Title: High performance phenolic resin based on untreated natural herbaceous lignin Page Range: p.525-534 Author(s): Hajime Kimura; Keiko Ohtsuka; Akihiro Matsumoto; Takeshi Ougi; Yoshiaki Ishibashi; Kohji Yamano File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/high-performance-phenolic-resin-based-on-untreated-natural-herbaceous-lignin/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: High performance phenolic resin based on untreated natural herbaceous lignin** Page Range: p.525-534 Author(s): Hajime Kimura; Keiko Ohtsuka; Akihiro Matsumoto; Takeshi Ougi; Yoshiaki Ishibashi; Kohji Yamano File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102570&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** In this study, the aim was to prepare a high performance phenolic resin based on natural lignin and to reveal its characteristics. Generally, even though natural lignin is simply added to phenolic resins, and since the reactivity of lignin with the thermal fluidity is low, modification of phenolic resin by such lignin does not proceed sufficiently. Therefore, natural herbaceous lignin which is reactive with phenolic resins was used as the natural lignin, and the preparation and properties of the phenolic resin based on herbaceous lignin were investigated. The properties of the phenolic resin modified with herbaceous lignin were determined and compared to the same phenolic resin with normal woody lignin and without any lignin. It was found that the phenolic resin modified with herbaceous lignin showed good heat resistance, mechanical properties, dimensional stability and electrical insulation properties compared with those of the phenolic resin with the woody lignin and without lignin. 19 Refs. --- --- Source: https://polymerjournals.com/optimizing-the-performance-of-natural-fiber-reinforced-plastics-composites-influence-of-combined-optimization-paths-on-microstructure-and-mechanical-properties/ # Optimizing the performance of natural fiber reinforced plastics composites: influence of combined optimization paths on microstructure and mechanical properties > Title: Optimizing the performance of natural fiber reinforced plastics composites: influence of combined optimization paths on microstructure and mechanical properties Page Range: p.535-544 Author(s): Toupe J L; Desire Yomeni Chimeni; Trokourey A; Rodrigue D File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/optimizing-the-performance-of-natural-fiber-reinforced-plastics-composites-influence-of-combined-optimization-paths-on-microstructure-and-mechanical-properties/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Optimizing the performance of natural fiber reinforced plastics composites: influence of combined optimization paths on microstructure and mechanical properties** Page Range: p.535-544 Author(s): Toupe J L; Desire Yomeni Chimeni; Trokourey A; Rodrigue D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102571&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** This study investigated the combination of two different optimisation paths (phase compatibilisation and manufacturing process optimisation) on the microstructure (fibre dimensions, matrix crystallinity and matrix molecular properties) and mechanical properties (flexural and tensile moduli, impact strength, and tensile stress at yield) of flax fibre/postconsumer recycled plastic composites. A two-step optimisation methodology was adopted. First, the material composition was optimised by phase compatibilisation using maleic anhydride grafted polypropylene (MAPP) and maleic anhydride grafted ethylene octene metallocene copolymer (EO-gMAH) as additives. Then, the manufacturing process (extrusion followed by injection) was optimised in terms of temperature profile and screw speed for extrusion, as well as barrel temperature profile, mould temperature, injection speed, injection pressure, injection time and back pressure for injection. The results showed that, besides good fibre-matrix interfacial adhesion, the combination of both optimisation paths promoted an optimum balance between components degradation and composite homogeneity (good fibre and additives dispersion in the matrix), leading to better mechanical properties. It is shown that this optimisation procedure was able to improve all the mechanical properties of the composites, as well as being effective in terms of performance and costs. 57 Refs. --- --- Source: https://polymerjournals.com/study-on-thermal-stability-and-non-isothermal-crystallization-behaviour-of-polyethylene-clay-nanocomposites/ # Study on thermal stability and non-isothermal crystallization behaviour of polyethylene/clay nanocomposites > Title: Study on thermal stability and non-isothermal crystallization behaviour of polyethylene/clay nanocomposites Page Range: p.545-554 Author(s): Fu-An He; Li-Ming Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue... Canonical URL: https://polymerjournals.com/study-on-thermal-stability-and-non-isothermal-crystallization-behaviour-of-polyethylene-clay-nanocomposites/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Study on thermal stability and non-isothermal crystallization behaviour of polyethylene/clay nanocomposites** Page Range: p.545-554 Author(s): Fu-An He; Li-Ming Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102572&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** In this work, thermal stability and non-isothermal crystallisation behaviour of polyethylene/clay nanocomposites prepared by in-situ polymerisation were studied. The thermal degradation kinetics of polyethylene/clay nanocomposites in nitrogen was investigated by a pseudo-first order method indicating that the addition of clay filler in polyethylene matrix could improve the thermal stability of nanocomposites. The Ozawa, Avrami, and modified Avrami-Ozawa methods were applied to study the non-isothermal crystallisation behaviour of polyethylene/clay nanocomposite. It was found that the clay filler not only acted as a heterogeneous nucleation for the crystallisation of polyethylene but also hindered the transport of the polyethylene molecule chains at the same time, resulting in a decrease of the crystallisation growth rate of polyethylene with clay loading. In addition, the nucleation activity and the activation energy for the crystallisation of polyethylene/clay nanocomposites were also estimated. 39 Refs. --- --- Source: https://polymerjournals.com/effect-of-aluminium-nitrate-hydrate-on-the-crystalline-thermal-and-mechanical-properties-of-polyvinyl-alcohol-film/ # Effect of aluminium nitrate hydrate on the crystalline, thermal and mechanical properties of poly(vinyl alcohol) film > Title: Effect of aluminium nitrate hydrate on the crystalline, thermal and mechanical properties of poly(vinyl alcohol) film Page Range: p.555-562 Author(s): Yong Luo; Xiancai Jiang; Weiying Zhang; Xiao Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/effect-of-aluminium-nitrate-hydrate-on-the-crystalline-thermal-and-mechanical-properties-of-polyvinyl-alcohol-film/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of aluminium nitrate hydrate on the crystalline, thermal and mechanical properties of poly(vinyl alcohol) film** Page Range: p.555-562 Author(s): Yong Luo; Xiancai Jiang; Weiying Zhang; Xiao Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102573&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** The effect of aluminium nitrate hydrate (Al(NO3)3(.)9H2O) on the crystalline, thermal and mechanical properties of PVA was studied in this paper. The interaction between Al(NO3)3(.)9H2O and PVA was investigated by Fourier transform infrared (FT-IR) spectroscopy. The influence of Al(NO3)3(.)9H2O on the crystalline, thermal, and mechanical properties of PVA was studied by X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and tensile testing, respectively. The results indicated that Al(NO3)3(.)9H2O could form interaction with the hydroxyl group on PVA chain. The XRD studies revealed that the crystallites of PVA were destroyed by Al(NO3)3(.)9H2O. DSC studies showed that Al(NO3)3(.)9H2O could increase the flexibility of PVA chains and decrease the Tg of PVA. Tensile testing showed that after the addition of Al(NO3)3(.)9H2O the tensile strength of PVA film decreased and elongation at break increased. All these results show that Al(NO3)3(.)9H2O has a high plasticising efficiency for PVA. However, Al(NO3)3(.)9H2O is a Lewis acid and the acidic property of Al(NO3)3(.)9H2O would cause the significant decrease of the thermal stability of PVA. 23 Refs. --- --- Source: https://polymerjournals.com/a-correlation-between-reinforcing-effect-and-antibacterial-performance-of-carbon-black-and-silica-filled-natural-rubber-vulcanizates-containing-hpqm-based-neusilin/ # A correlation between reinforcing effect and antibacterial performance of carbon black and silica filled natural rubber vulcanizates containing HPQM-based neusilin > Title: A correlation between reinforcing effect and antibacterial performance of carbon black and silica filled natural rubber vulcanizates containing HPQM-based neusilin Page Range: p.563-574 Author(s): Chitsupree Katathikankul; Sirichai Kanking; Piyaporn Niltui; Ekachai Wimolmala; Narongrit Sombatsompop; Khokhwan Isarangkura File size: Download the pdf... Canonical URL: https://polymerjournals.com/a-correlation-between-reinforcing-effect-and-antibacterial-performance-of-carbon-black-and-silica-filled-natural-rubber-vulcanizates-containing-hpqm-based-neusilin/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A correlation between reinforcing effect and antibacterial performance of carbon black and silica filled natural rubber vulcanizates containing HPQM-based neusilin** Page Range: p.563-574 Author(s): Chitsupree Katathikankul; Sirichai Kanking; Piyaporn Niltui; Ekachai Wimolmala; Narongrit Sombatsompop; Khokhwan Isarangkura File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102574&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** This work pursued, for the first time, a correlation between antibacterial performance and mechanical properties of natural rubber (NR) compounds reinforced with commercial fillers, i.e. precipitated silica (PSi) and carbon black (CB), using 2-hydroxypropyl-3-piperazinyl-quinoline carboxylic acid methacrylate (HPQM)-based Neusilin as an antibacterial agent against Escherichia coli (E. coli) ATCC 25922 and Staphylococcus aureus (S. aureus) ATCC 25923. Antibacterial efficacy was determined by the inhibition zone from a halo test and by the percentage reduction of bacteria using the plate count agar (PCA) method. The results suggested that the optimum loadings of PSi and CB in NR compounds were 20 and 40 phr, respectively. HPQM-based Neusilin could be used simultaneously as a co-activator and antibacterial agent in the NR compounds. The overall mechanical properties of the NR vulcanisates were not affected by the addition of HPQM-based Neusilin, which was more effective for killing E. coli. It could be concluded that the antibacterial efficacy was conversely associated with the reinforcement level of the NR vulcanisates by the PSi and CB fillers: the higher the reinforcement level, the poorer the antibacterial efficacy. At the optimum loadings of PSi and CB fillers, the antibacterial efficacy of PSi-filled vulcanisates was better than that of CB-filled vulcanisates. 26 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-polyamideimides-from-ab-monomers-by-direct-polycondensation-using-triphenyl-phosphite/ # Synthesis and characterization of poly(amideimide)s from AB monomers by direct polycondensation using triphenyl phosphite > Title: Synthesis and characterization of poly(amideimide)s from AB monomers by direct polycondensation using triphenyl phosphite Page Range: p.575-582 Author(s): Rajasekar S; Venkatesan D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-polyamideimides-from-ab-monomers-by-direct-polycondensation-using-triphenyl-phosphite/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Synthesis and characterization of poly(amideimide)s from AB monomers by direct polycondensation using triphenyl phosphite** Page Range: p.575-582 Author(s): Rajasekar S; Venkatesan D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102575&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** Poly(amideimide)s were prepared by the reaction of two new AB monomers, N-(4-aminophenyl)-4-(p-carboxyphenoxy) phthalimide and N-(3-aminophenyl)-4-(p-carboxyphenoxy)phthalimide. The monomers were synthesised by nucleophilic displacement reaction of the corresponding nitrophthalimides with p-hydroxybenzoic acid. The monomers were characterised by IR and NMR. Poly(amideimide)s were prepared from AB monomers by direct polycondensation using triphenyl phosphite. The polymers obtained had high inherent viscosities. The polymers showed high solubility in polar aprotic solvents. The polymers showed good thermal stability and had high glass transition temperatures. X-ray diffraction pattern of the polymers indicate amorphous nature of these polymers. 26 Refs. --- --- Source: https://polymerjournals.com/fatigue-resilience-hardness-and-swelling-behaviour-of-natural-rubber-recycled-acrylonitrile-butadiene-rubber-nr-nbrr-blends/ # Fatigue, resilience, hardness, and swelling behaviour of natural rubber/recycled acrylonitrile-butadiene rubber (NR/NBRr) blends > Title: Fatigue, resilience, hardness, and swelling behaviour of natural rubber/recycled acrylonitrile-butadiene rubber (NR/NBRr) blends Page Range: p.583-588 Author(s): Hanafi Ismail; Hazwani Syaza Ahmad; Rashid A A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/fatigue-resilience-hardness-and-swelling-behaviour-of-natural-rubber-recycled-acrylonitrile-butadiene-rubber-nr-nbrr-blends/ Published: 2015-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Fatigue, resilience, hardness, and swelling behaviour of natural rubber/recycled acrylonitrile-butadiene rubber (NR/NBRr) blends** Page Range: p.583-588 Author(s): Hanafi Ismail; Hazwani Syaza Ahmad; Rashid A A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-8&JournalID=102576&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.8 **Abstract** In the present study, the fatigue, resilience, hardness, and swelling behaviour of natural rubber and recycled acrylonitrile-butadiene rubber (NR/NBRr) blends were studied in the concentration range from 5 to 35 phr of recycled NBR. NBR gloves have excellent resistance to punctures, tear and many types of chemicals, while NR has good physical and mechanical properties. Blending NBRr into the rubber blends improved the processability, stiffness and resilience and conferred excellent oil resistance. The fatigue life of NR/NBRr blends decreased as the NBRr content increased, due to the incompatibility and poor dispersion of NBRr in the NR matrix. However, increasing NBRr content gave NR/NBRr blends better resistance towards swelling and hardness. Both properties increased due to the improvement in crosslink density when more NBRr was added, but the resilience properties exhibited an opposite trend. Scanning electron microscopy study indicated that the recycled NBR shows a coarser and poor dispersion in NR matrix particularly when more NBRr content was used, which leads to lower fatigue life of the NR/NBRr blends. 20 Refs. --- --- Source: https://polymerjournals.com/experimental-study-on-the-mechanical-properties-of-basalt-fibres-and-pultruded-bfrp-plates-at-elevated-temperatures/ # Experimental study on the mechanical properties of basalt fibres and pultruded BFRP plates at elevated temperatures > Title: Experimental study on the mechanical properties of basalt fibres and pultruded BFRP plates at elevated temperatures Page Range: p.277-284 Author(s): Zhongyu Lu; Guijun Xian; Hui Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/experimental-study-on-the-mechanical-properties-of-basalt-fibres-and-pultruded-bfrp-plates-at-elevated-temperatures/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Experimental study on the mechanical properties of basalt fibres and pultruded BFRP plates at elevated temperatures** Page Range: p.277-284 Author(s): Zhongyu Lu; Guijun Xian; Hui Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102475&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** Basalt fibre reinforced polymer (BFRP) composites have been widely used for structural strengthening and reinforcement in civil engineering recently. Since fire risk is unavoidable for most civil structures, the degradation of BFRP at elevated temperatures needs to be known for the safe design of its strengthened or reinforced structures under fire risk. In this study, the mechanical properties of basalt fibre roving and pultruded basalt fibre reinforced epoxy plates were investigated at elevated temperatures. As the temperatures increasing from room temperature to 200 deg C, the tensile strength and modulus of the fibre roving were reduced by 8.3% and 9.7%, respectively. Meanwhile, the Weibull shape parameter (m) of the fibre roving decreased by 20.5%. As regards the BFRP plates, however, the elevated temperatures show more adverse influence. The tensile strength and modulus of the BFRP plates is reduced by 37.5% and 31% as temperature rising to 200 deg C. Compared to the tensile properties, the short beam shear strength (SBS) was reduced by around 90%, more susceptible to the elevated temperatures. The glass transition temperature (~93 deg C) plays a key role on the inflexion of the variation of the mechanical properties, especially for the tensile strength. In a wide temperature range, the relationship between the tensile strength and the SBS showed a good linearity, indicating the reduction of the tensile strength comes from the deterioration of the interlaminar shear strength at elevated temperatures. 22 Refs. --- --- Source: https://polymerjournals.com/dispersibility-of-hydrophilic-and-hydrophobic-nano-silica-particles-in-polyethylene-terephthalate-films-evaluation-of-morphology-and-thermal-properties/ # Dispersibility of hydrophilic and hydrophobic nano-silica particles in polyethylene terephthalate films: evaluation of morphology and thermal properties > Title: Dispersibility of hydrophilic and hydrophobic nano-silica particles in polyethylene terephthalate films: evaluation of morphology and thermal properties Page Range: p.285-296 Author(s): Mazeyar Parvinzadeh Gashti; Siamak Moradian; Abosaeed Rashidi; Mohamad-Esmail Yazdanshenas File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/dispersibility-of-hydrophilic-and-hydrophobic-nano-silica-particles-in-polyethylene-terephthalate-films-evaluation-of-morphology-and-thermal-properties/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Dispersibility of hydrophilic and hydrophobic nano-silica particles in polyethylene terephthalate films: evaluation of morphology and thermal properties** Page Range: p.285-296 Author(s): Mazeyar Parvinzadeh Gashti; Siamak Moradian; Abosaeed Rashidi; Mohamad-Esmail Yazdanshenas File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102476&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** The development of polyethylene terephthalate (PET) nanocomposites with different nano-fillers has been an especially intense area of research due to an enhancement in thermal and physical properties of nanocomposites compared to pure PET. In this regard, the surface properties of nano-particles and their interactions with PET chains have a critical role on different properties of prepared nanocomposites. The aim of this paper is to study the influence of the type of nano-silica particles with different surface properties on the dispersibility, the interfacial adhesion, surface morphology, nucleation and thermal properties of the resultant PET/silica nanocomposites. For this purpose, PET composites containing hydrophilic or hydrophobic nano-silica were prepared by melt compounding. Different properties of nanocomposites were investigated using polarised optical microscopy (POM), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), dynamical mechanical thermal analysis (DMTA) and contact angle measurements (CAM). POM images indicated that nano-silica tended to increase the number of spherulites in the PET composite structure depending on the type of particles. The thermal studies of the nanocomposites showed a slight decrease in the melting temperature compared to the pure PET. 65 Refs. --- --- Source: https://polymerjournals.com/pullout-performance-of-common-construction-fasteners-from-long-fiber-thermoplastic-composites/ # Pullout performance of common construction fasteners from long fiber thermoplastic composites > Title: Pullout performance of common construction fasteners from long fiber thermoplastic composites Page Range: p.297-304 Author(s): Kaliberov D; Uday Vaidya File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue... Canonical URL: https://polymerjournals.com/pullout-performance-of-common-construction-fasteners-from-long-fiber-thermoplastic-composites/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Pullout performance of common construction fasteners from long fiber thermoplastic composites** Page Range: p.297-304 Author(s): Kaliberov D; Uday Vaidya File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102477&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** The recent increase in cyclone activity in the last 20 years has pressured the construction industry to look for alternative materials for roof construction. Although plywood is a cheap material, its mechanical properties are highly dependent on moisture content. Long fibre thermoplastics are an emerging type of plastic materials that feature enhanced mechanical properties due to high aspect ratio discontinuous fibres in a tough polymer matrix. The present study focuses on comparing the pullout strength of commonplace fasteners from plywood and long fibre thermoplastic composite panels. Specimens were tested according to ASTM standards D176188 and D6117-97 for mechanical fasteners in wood and long fibre thermoplastic (LFT) composites. Common construction nails like 6D, 10D and 16D and a #8 screw were used to compare the performance in terms of withdrawal. The data showed that LFT composites had withdrawal strength on average two to three times that of plywood for all tested fasteners types. Experimental data was analytically verified by APA TT-109 guidelines. 25 Refs. --- --- Source: https://polymerjournals.com/qualifying-dispersion-and-distribution-of-carbon-nanotubes-in-polyamide-matrix-during-melt-mixing-by-flow-simulation/ # Qualifying dispersion and distribution of carbon nanotubes in polyamide matrix during melt-mixing by flow simulation > Title: Qualifying dispersion and distribution of carbon nanotubes in polyamide matrix during melt-mixing by flow simulation Page Range: p.305-316 Author(s): Loux C; Prashantha K; Roger F; Lacrampe M F; Krawczak P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/qualifying-dispersion-and-distribution-of-carbon-nanotubes-in-polyamide-matrix-during-melt-mixing-by-flow-simulation/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Qualifying dispersion and distribution of carbon nanotubes in polyamide matrix during melt-mixing by flow simulation** Page Range: p.305-316 Author(s): Loux C; Prashantha K; Roger F; Lacrampe M F; Krawczak P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102478&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** This work aims at numerically simulating the flow of nanocomposites in a twin-screw mixer so as to develop a prediction tool of nanofiller dispersion and distribution in a polymer matrix during processing. The rheological behaviour of polyamide 6 / carbon nanotubes blends (PA6/MWCNT) containing from 1 to 5 wt.% of MWCNT was investigated over a large range of shear rates (0.1 to 100 s-1) and temperatures (230 to 245 deg C). The macroscopic dispersion of the nanotubes was assessed by dynamic rheometry. Viscosity laws of the nanocomposites were characterised and implemented in a finite element software package to compute the velocity, pressure and temperature fields during the mixing process. A good agreement was founded between the calculated and measured torques. The dispersive and distributive capability of the flow was numerically evaluated and compared to the nanotubes dispersion quality experimentally qualified by oscillatory rheometry. Experimental and numerical results are complementary and allow better understanding the mixing capability of the twin-screw mixer used to compound nanocomposites. 35 Refs. --- --- Source: https://polymerjournals.com/toughening-polystyrene-by-core-shell-rubber-particles-analysis-of-the-internal-structure-and-properties/ # Toughening polystyrene by core-shell rubber particles: analysis of the internal structure and properties > Title: Toughening polystyrene by core-shell rubber particles: analysis of the internal structure and properties Page Range: p.317-324 Author(s): Chao Zhou; Shuting Wu; Bowen Yang; Yunxia Gao; Guangfeng Wu; Huixuan Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/toughening-polystyrene-by-core-shell-rubber-particles-analysis-of-the-internal-structure-and-properties/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Toughening polystyrene by core-shell rubber particles: analysis of the internal structure and properties** Page Range: p.317-324 Author(s): Chao Zhou; Shuting Wu; Bowen Yang; Yunxia Gao; Guangfeng Wu; Huixuan Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102479&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** A series of polybutadiene-graft-polystyrene (PB-g-PS) core-shell structural rubber particles has been prepared by grafting styrene onto polybutadiene seeds via emulsion polymerisation. All the PB-g-PS particles were designed with the same chemical composition and similar grafting degree but different internal structures. The difference in internal structure was realised by controlling the allocation of 'external grafting' and 'internal grafting' of styrene. Three different internal structures: rare sub-inclusion, small size sub-inclusions and large-scale subinclusions in the rubber phase were observed by transmission electron microscopy. Slight aggregation of rubber particles of PB-g-PS with large-scale sub-inclusions was found in PS/ PB-g-PS blends. The results of dynamic mechanical analysis showed the PB-g-PS with small size sub-inclusions had lower glass transition temperature than the others. Izod test results showed that the PB-g-PS with large-scale sub-inclusions could toughen the PS matrix more effectively. The deformation mechanisms responsible for these effects are discussed. 27 Refs. --- --- Source: https://polymerjournals.com/chitosan-cellulose-halloysite-membranes-produced-using-solvent-casting-method/ # Chitosan/cellulose/halloysite membranes produced using solvent casting method > Title: Chitosan/cellulose/halloysite membranes produced using solvent casting method Page Range: p.325-332 Author(s): Kavitha Govindasamy; Muhammad Hafiz Ramli; Pooria Pasbakhsh; Vengidesh Pushpamalar; Babak Salamatinia File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/chitosan-cellulose-halloysite-membranes-produced-using-solvent-casting-method/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Chitosan/cellulose/halloysite membranes produced using solvent casting method** Page Range: p.325-332 Author(s): Kavitha Govindasamy; Muhammad Hafiz Ramli; Pooria Pasbakhsh; Vengidesh Pushpamalar; Babak Salamatinia File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102480&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** Polymer biocomposites have attracted a lot of attention due to the increasing requirements for biomaterials to replace conventional materials. This replacement is due to the remarkable properties of biomaterials, including their biocompatibility, biodegradability and non-toxicity. Chitosan (CS) is a renowned abundantly-available biopolymer that is furnished with such properties. However chitosan is known to be unstable in acidic conditions, and it has fairly low mechanical strength and requires further improvement for various applications. This study aims to improve the properties of chitosan by making composites of CS reinforced with carboxymethyl cellulose (CMC), microcrystalline cellulose (MCC) and halloysite nanotubes (HNTs). These composites were prepared through solvent casting method and were investigated for their mechanical, chemical and morphological properties. The mechanical testing results showed that the CS/MCC membranes had the best mechanical properties, with a tensile strength (s) of 79.98 plus/minus 8.12 MPa and a Young's modulus (E) of 2.44 plus/minus 0.21 GPa. Scanning electron micrographs confirmed that the high mechanical strength of CS/MCC membranes is attributed to better dispersion of MCC in chitosan. Infrared spectroscopy compared the chemical interactions between the main functional groups of the matrix and fillers. A surface wettability test was performed and revealed that chitosan membranes reinforced with 10 (w/w%) of CMC had the lowest (88.45 deg ) and chitosan membrane with 5 (w/w%) HNT and 5 (w/w%) had the highest contact angle (130.83 deg ). Addition of both CMC and MCC led to an improvement of the mechanical properties over the pure chitosan membrane, which was attributed to a significant interaction between chitosan and cellulose through hydrogen bonding. 34 Refs. --- --- Source: https://polymerjournals.com/the-effect-of-a-novel-intumescent-flame-retardant-functionalized-montmorillonite-on-the-thermal-stability-and-flammability-of-eva/ # The effect of a novel intumescent flame retardant-functionalized montmorillonite on the thermal stability and flammability of EVA > Title: The effect of a novel intumescent flame retardant-functionalized montmorillonite on the thermal stability and flammability of EVA Page Range: p.345-350 Author(s): Yan Liu; Qingli Yu; Zhengping Fang; Yan Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/the-effect-of-a-novel-intumescent-flame-retardant-functionalized-montmorillonite-on-the-thermal-stability-and-flammability-of-eva/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The effect of a novel intumescent flame retardant-functionalized montmorillonite on the thermal stability and flammability of EVA** Page Range: p.345-350 Author(s): Yan Liu; Qingli Yu; Zhengping Fang; Yan Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102481&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** A novel intumescent flame retardant-functionalised montmorillonite (PAB-MMT) was prepared by modification of sodium montmorillonite (Na-MMT) with an intumescent flame retardant (PAB) containing phosphorus-nitrogen structure. The results of X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) analysis indicated that PAB had intercalated into Na-MMT. The applications of this fact for improving the thermal stability and flammability of poly(ethylene-co-vinyl acetate) were investigated by thermogravimetric analysis (TGA), and microscale combustion calorimetry (MCC). Scanning electron microscopy (SEM) was carried out to learn the morphology of the char residue. The results showed that the addition of PAB-MMT into EVA could improve the flame retardancy of the EVA matrix. The peak heat release rate (PHRR) and total heat release (THR) were significantly reduced in comparison with those of other EVA composites. The TGA data showed higher char residue than other composites, which was the reason for the improved flame retardancy. 21 Refs. --- --- Source: https://polymerjournals.com/manufacture-of-fibreglass-nonwoven-composites-and-study-of-the-effect-of-different-variables-on-their-quality/ # Manufacture of fibreglass nonwoven composites and study of the effect of different variables on their quality > Title: Manufacture of fibreglass nonwoven composites and study of the effect of different variables on their quality Page Range: p.351-358 Author(s): Sheraz Hussain Siddique Yousfani; Gong R H; Porat I File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/manufacture-of-fibreglass-nonwoven-composites-and-study-of-the-effect-of-different-variables-on-their-quality/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Manufacture of fibreglass nonwoven composites and study of the effect of different variables on their quality** Page Range: p.351-358 Author(s): Sheraz Hussain Siddique Yousfani; Gong R H; Porat I File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102482&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** A new technique of manufacturing thermoset composites using chopped fibreglass strands was investigated during this research work. This technique involved manufacturing of fibreglass nonwoven webs by the wet-laid method, these webs were then used as reinforcement for making composites. The wet-laying process allows the opening of the fibreglass strands to single fibres so that the fibres are dispersed more uniformly within the composite. The in-plane fibre orientation distribution in these nonwoven webs was random and the composites manufactured from these webs have more in-plane isotropic properties. The effect of key process variables i.e. dispersion, fibre length and multiple layering on the density, fibre content and void content of the composites was studied. It was found that layering increased the fibre content and decreased the void content. Dispersion and increase in fibre length also decreased the void content. 16 Refs. --- --- Source: https://polymerjournals.com/manufacturing-and-performance-evaluation-of-polyurethane-composites-using-one-part-and-two-part-resin-systems/ # Manufacturing and performance evaluation of polyurethane composites using one-part and two-part resin systems > Title: Manufacturing and performance evaluation of polyurethane composites using one-part and two-part resin systems Page Range: p.333-344 Author(s): Mohamed M; Hawkins S; Chandrashekhara K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/manufacturing-and-performance-evaluation-of-polyurethane-composites-using-one-part-and-two-part-resin-systems/ Published: 2015-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Manufacturing and performance evaluation of polyurethane composites using one-part and two-part resin systems** Page Range: p.333-344 Author(s): Mohamed M; Hawkins S; Chandrashekhara K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-5&JournalID=102483&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.5 **Abstract** Polyurethane (PU)-based composites show superior performance compared to polyester and vinylester composites. The demand for PU composites is increasing in high technology as well as conventional applications such as infrastructure and automobile. In this study, glass fibre reinforced composite laminates using one-part and two-part PU resin are manufactured using vacuum-assisted resin transfer moulding (VARTM) process. A new generation two-part thermoset PU resin system is investigated and compared with commercial one-part PU resin systems. The mechanical performance of glass fibre reinforced composites manufactured using two different PU resin systems is evaluated. Tensile and flexure tests are conducted on both neat resin and glass/PU composites. Low velocity impact tests are performed on both types of glass fibre reinforced PU composite specimens. Mechanical properties including strength and modulus were measured and analysed for the two resin systems. Differential scanning calorimetry (DSC) is used to study the cure behaviour of both resin systems. A Brookfield LVDV-II programmable rotational type viscometer is employed to study the viscosity profiles of the resin systems. The influence of resin properties on the overall performance of glass fibre reinforced composites is discussed. 18 Refs. --- --- Source: https://polymerjournals.com/porosity-effect-on-residual-flexural-strength-following-low-energy-impact-of-carbon-fibre-composites/ # Porosity effect on residual flexural strength following low energy impact of carbon fibre composites > Title: Porosity effect on residual flexural strength following low energy impact of carbon fibre composites Page Range: p.205-212 Author(s): Arthurs B; Bull D J; Arumugam V; Chambers A R; Santulli C File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/porosity-effect-on-residual-flexural-strength-following-low-energy-impact-of-carbon-fibre-composites/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Porosity effect on residual flexural strength following low energy impact of carbon fibre composites** Page Range: p.205-212 Author(s): Arthurs B; Bull D J; Arumugam V; Chambers A R; Santulli C File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102445&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** Studies of the combined effects of the presence of porosity (as it may result from partially effective cure cycles) and of low-energy impact damage on the residual properties of CFRP laminates have led so far to controversial results. In particular, it is not clear from the literature whether the presence of voids would blunt crack propagation following impact or rather would promote damage development. These effects would respectively either increase or reduce post-impact residual strength, relative to that of the laminate with virtually no voids, as the result of an optimal manufacturing procedure. With this in mind, different cure cycles have been applied to produce carbon fibre-reinforced polymer (CFRP) composites with various levels of void content, which were subjected to low energy impact damage (3, 4.5 and 6 J) and then to post-impact flexural strength measurement. Damage assessment using micro-focus computed tomography ((mu)CT) was used to complement traditional ultrasonic C-scans, which proved ineffective on the high-porosity samples. Three cure-cycles were investigated: one which led to high porosity (average void content 4 vol%) and two conventional low-porosity cure cycles, only one of which included a post-cure cycle. This study has found that, despite a lower initial flexural strength, higher residual flexural strength was retained after impact in the high-porosity material than in the low-porosity one. This is explained by the lower extent of impact damage observed in the high porosity material, where voids had the effect of suppressing delamination propagation. 23 Refs. --- --- Source: https://polymerjournals.com/reinforcement-role-of-carbon-nanotubes-interfacial-properties-of-carbon-fibre-epoxy-nanocomposite/ # Reinforcement role of carbon nanotubes: interfacial properties of carbon fibre – epoxy nanocomposite > Title: Reinforcement role of carbon nanotubes: interfacial properties of carbon fibre - epoxy nanocomposite Page Range: p.213-222 Author(s): Min Ya; Ryszard Pyrz File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/reinforcement-role-of-carbon-nanotubes-interfacial-properties-of-carbon-fibre-epoxy-nanocomposite/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Reinforcement role of carbon nanotubes: interfacial properties of carbon fibre - epoxy nanocomposite** Page Range: p.213-222 Author(s): Min Ya; Ryszard Pyrz File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102446&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** Single-walled carbon nanotube (SWCNT) reinforced epoxy was fabricated as the matrix material for carbon fibre reinforced composite. SWCNT-epoxy sample with a single fibre on the top of the surface was loaded incrementally to sufficient strain levels to cause interfacial failure. Fibre strain profiles were obtained at each level of the applied strain by Raman spectroscopy. The strain distributions obtained agree well with the Cox shear-lag model and Piggott partial-debonding model that are conventionally used to describe load transfer at interface. No full-debonding phenomenon was observed. Interfacial shear stress (ISS) distribution was derived at each applied matrix strain. Interfacial shear strength (IFSS) increases after introducing SWCNT in the epoxy resin, which can be explained by the increase of shear yield stress of the matrix material and the increase of radial pressure at the interface resulting from thermal residual stress. The residual strains in the matrix in the vicinity of the single carbon fibre were also mapped by using of the Raman spectra of SWCNT. Stress concentration zones were observed around the fibre ends. 19 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-poly2-hydroxyethyl-methacrylate-and-castor-oil-based-uralkyds-interpenetrating-polymer-networks/ # Preparation and characterization of poly(2-hydroxyethyl methacrylate) and castor oil based uralkyds interpenetrating polymer networks > Title: Preparation and characterization of poly(2-hydroxyethyl methacrylate) and castor oil based uralkyds interpenetrating polymer networks Page Range: p.223-228 Author(s): Prashantha K; Rashmi B J; Vasanth Kumar Pai K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-poly2-hydroxyethyl-methacrylate-and-castor-oil-based-uralkyds-interpenetrating-polymer-networks/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation and characterization of poly(2-hydroxyethyl methacrylate) and castor oil based uralkyds interpenetrating polymer networks** Page Range: p.223-228 Author(s): Prashantha K; Rashmi B J; Vasanth Kumar Pai K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102447&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** Interpenetrating polymer networks (IPNs) of poly[2-hydroxyethylmethacrylate] and uralkyd prepolymer were synthesised using benzoyl peroxide as initiator, polyethylene glycol as chain extender, and N,N-methylene bis acrylamide as crosslinker by sequential polymerisation method. The concentration of uralkyd (UA) prepolymer and poly[2-hydroxyethylmethacrylate] (PHEMA) were varied and their effects on chemical, mechanical, thermal, and morphological properties of IPNs were investigated. The IPNs glass-transition temperatures increase with increasing PHEMA concentrations. Tensile strength, and shore A hardness increases with increasing concentration of PHEMA while sacrificing percent elongation. Almost all IPNs have shown similar chemical resistance irrespective of composition. Thermo gravimetric analysis (TGA) indicated that increase in PHEMA concentration increases thermal stability of IPNs. Morphological analysis reveals that IPNs reveals heterogeneous and compact morphologies with distinct microphase separation. 22 Refs. --- --- Source: https://polymerjournals.com/comparison-of-effects-of-alkali-treatment-on-flax-fibre-reinforced-polyester-and-polyester-biopolymer-blend-resins/ # Comparison of effects of alkali treatment on flax fibre reinforced polyester and polyester-biopolymer blend resins > Title: Comparison of effects of alkali treatment on flax fibre reinforced polyester and polyester-biopolymer blend resins Page Range: p.229-242 Author(s): Mahesh Hosur; Harika Maroju; Shaik Jeelani File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/comparison-of-effects-of-alkali-treatment-on-flax-fibre-reinforced-polyester-and-polyester-biopolymer-blend-resins/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Comparison of effects of alkali treatment on flax fibre reinforced polyester and polyester-biopolymer blend resins** Page Range: p.229-242 Author(s): Mahesh Hosur; Harika Maroju; Shaik Jeelani File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102448&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** In this study, flax fibres were treated initially with a 2.5, 5, and 7% of sodium hydroxide (NaOH) solution at room temperature for one hour. Among different treatments, fibres treated with 2.5% alkali solution showed optimal properties. Hence, for further studies, all flax fibres were treated with 2.5% solution of alkali solution, but at different temperatures. In the next phase of study, biocomposites were prepared by immersing fibre mats in resin bath and compression moulding using a hot press. Two polymers: polyester and a polyester-biopolymer blend, Envirez (Registered) 1807 were used as matrices. Moisture absorption and flexure tests were conducted on the composites. It was determined that composites with treated fibres showed reduction in moisture uptake compared to those with untreated fibres. Composites with alkali treated fibres showed an increase in flexural properties as well as storage modulus which was attributed to effects of chemical treatment. Composites made using Envirez (Registered) 1807 which has about 22% of natural polymer showed comparable properties with those made using polyester resin system. 28 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-star-shaped-polylactideco-glycolide-using-poss-as-an-initiator-and-its-drug-loaded-microspheres/ # Synthesis and characterization of star-shaped poly(lactideco-glycolide) using POSS as an initiator, and its drug-loaded microspheres > Title: Synthesis and characterization of star-shaped poly(lactideco-glycolide) using POSS as an initiator, and its drug-loaded microspheres Page Range: p.243-250 Author(s): Xiaojing Zhang; Chong Li; Yuelei Hu; Jiashu Sun; Shaoming Fang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-star-shaped-polylactideco-glycolide-using-poss-as-an-initiator-and-its-drug-loaded-microspheres/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Synthesis and characterization of star-shaped poly(lactideco-glycolide) using POSS as an initiator, and its drug-loaded microspheres** Page Range: p.243-250 Author(s): Xiaojing Zhang; Chong Li; Yuelei Hu; Jiashu Sun; Shaoming Fang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102449&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** In this paper, a series of star-shaped poly(lactide-co-glycolide)s (sPLGA) with different block ratios were prepared by the ring-opening copolymerisation of D,L-lactide (LA) and glycolide (GA) with multi-hydroxyl polyhedral oligomeric silsesquioxane core as an initiator and tin (II) 2-ethylhexanoate (Sn(Oct)2) as the catalyst. The products were characterised by NMR, FT-IR, GPC, XRD, DSC, TGA and viscosity measurements. The results show that the contents of PLA and PGA segments in sPLGA can be controlled by the feed ratios of the copolymerisation. The glass transition temperature and crystallinity of sPLGA decrease and the crystalline sPLGA becomes amorphous with increasing the molar feed ratio between GA and LA from 10:90 to 50:50. The drug-loaded sPLGA microspheres were prepared by an emulsion solvent evaporation method. The morphology and the drug release property were investigated by SEM, dynamic light scattering (DLS) and ultraviolet spectrophotometry (UV). The results indicate that the sPLGA80 microsphere surface was smooth and the mean diameter was about 1.27(mu)m. The sPLGA80 microspheres showed good drug loading and release properties. 32 Refs. --- --- Source: https://polymerjournals.com/theoretical-models-and-experimental-study-on-mechanical-properties-of-reinforced-polymer-matrix-using-different-kinds-of-carbon-nanotubes/ # Theoretical models and experimental study on mechanical properties of reinforced polymer matrix using different kinds of carbon nanotubes > Title: Theoretical models and experimental study on mechanical properties of reinforced polymer matrix using different kinds of carbon nanotubes Page Range: p.251-260 Author(s): Kordani N; Adibipour R; Sadough Vanini A; Zare A; Gil V File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/theoretical-models-and-experimental-study-on-mechanical-properties-of-reinforced-polymer-matrix-using-different-kinds-of-carbon-nanotubes/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Theoretical models and experimental study on mechanical properties of reinforced polymer matrix using different kinds of carbon nanotubes** Page Range: p.251-260 Author(s): Kordani N; Adibipour R; Sadough Vanini A; Zare A; Gil V File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102450&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** This paper is a study of the role of functionalised multi-walled carbon nanotubes (MWCNT-COOH) and single-walled carbon nanotubes (SWCNT) in improving the mechanical properties of epoxy resins. In nanotube-based polymeric composite it is anticipated that high elastic modulus can be achieved by taking advantage of the interfacial friction between the nanotubes and the polymer. In order to evaluate the CNT effect on polymer composites, different weight fractions of CNTs and two different kinds of CNTs were dispersed in the matrix. First, the damping characteristics of the samples with 0, 0.5, 1 and 1.5 wt.% nanotube contents were measured and then the tensile modulus was determined experimentally. The experiments showed an increase of the elastic modulus and the damping due to adding CNTs. Theoretical models were used to show the effect of added reinforcement to compare with experimental elastic modulus data. The results showed that a modified Rule of Mixtures model, incorporating the effect of fibre orientation in 3D was closest to the experimental results. 29 Refs. --- --- Source: https://polymerjournals.com/thermal-stability-of-electrical-properties-and-amine-vapour-sensitivity-of-in-situ-prepared-polyaniline-graphene-nanocomposites-assisted-by-sodium-dodecyl-sulfate-micelles/ # Thermal stability of electrical properties and amine vapour sensitivity of in-situ prepared polyaniline/graphene nanocomposites assisted by sodium dodecyl sulfate micelles > Title: Thermal stability of electrical properties and amine vapour sensitivity of in-situ prepared polyaniline/graphene nanocomposites assisted by sodium dodecyl sulfate micelles Page Range: p.261-270 Author(s): Tarique Anwer; Faiz Mohammad File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/thermal-stability-of-electrical-properties-and-amine-vapour-sensitivity-of-in-situ-prepared-polyaniline-graphene-nanocomposites-assisted-by-sodium-dodecyl-sulfate-micelles/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Thermal stability of electrical properties and amine vapour sensitivity of in-situ prepared polyaniline/graphene nanocomposites assisted by sodium dodecyl sulfate micelles** Page Range: p.261-270 Author(s): Tarique Anwer; Faiz Mohammad File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102451&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** Polyaniline (Pani)/graphene (GN) nanocomposites were prepared by in-situ oxidative polymerisation of aniline with GN in presence of sodium dodecyl sulphate. The effects of polymerisation and modification of the chemical structures in the nanocomposites were characterised by fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM) and X-ray diffraction techniques (XRD). Sodium dodecyl sulphate played the role of a surfactant, improving the dispersion of GN within the polymer matrix simultaneously. FTIR results revealed the presence of (pi)^-(pi) interactions between Pani and GN leading to the formation of a charge-transfer complex. The thermal stabilities of the electric properties of the as-prepared nanocomposites were investigated as a function of GN content. As-prepared Pani/GN nanocomposites showed greater electrical conductivity as well as improved thermal stability in terms of DC electrical conductivity retention under isothermal and cyclic ageing conditions compared with pure Pani. They were also observed to possess better amine sensing properties in comparison to pure Pani when exposed to the vapour of methylamine. 21 Refs. --- --- Source: https://polymerjournals.com/the-synergistic-effects-of-carbon-black-and-carbon-fibre-on-the-thermal-conductivity-of-silicone-rubber/ # The synergistic effects of carbon black and carbon fibre on the thermal conductivity of silicone rubber > Title: The synergistic effects of carbon black and carbon fibre on the thermal conductivity of silicone rubber Page Range: p.271-276 Author(s): Jibin Wang; Luping Ni; Qiuying Li; Chifei Wu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/the-synergistic-effects-of-carbon-black-and-carbon-fibre-on-the-thermal-conductivity-of-silicone-rubber/ Published: 2015-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The synergistic effects of carbon black and carbon fibre on the thermal conductivity of silicone rubber** Page Range: p.271-276 Author(s): Jibin Wang; Luping Ni; Qiuying Li; Chifei Wu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-4&JournalID=102452&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.4 **Abstract** Silicone rubber (SR) composites filled with carbon black (CB) and carbon fibre (CF) were prepared. The effects of a single filler as well as hybrid fillers on the thermal conductivity (a) and mechanical properties of SR composites were investigated. It was found that hybrid filler was more effective in increasing ww of the composite, and this effect was more pronounced when the weight ratio of CF:CB was 80:20. The scanning electron microscopy showed the hybrid filler formed a better filler network than single filler in the matrix. SR composites filled with hybrid fillers also possessed better mechanical properties compared with composites filled with only CF. 36 Refs. --- --- Source: https://polymerjournals.com/treatment-of-a-cellulose-fiber-surface-with-a-suberin-monomer-derived-polymer/ # Treatment of a cellulose fiber surface with a suberin monomer-derived polymer > Title: Treatment of a cellulose fiber surface with a suberin monomer-derived polymer Page Range: p.75-90 Author(s): Dongfang Li; Iversen T; Ek M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers from Renewable Resources Issue Year: prr Volume:... Canonical URL: https://polymerjournals.com/treatment-of-a-cellulose-fiber-surface-with-a-suberin-monomer-derived-polymer/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers from Renewable Resources **Title: Treatment of a cellulose fiber surface with a suberin monomer-derived polymer** Page Range: p.75-90 Author(s): Dongfang Li; Iversen T; Ek M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prr&JournalIssue=prr6-3&JournalID=102492&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers from Renewable Resources Issue Year: prr Volume: 6 Issue No: No.3 **Abstract** The biorefinery concept requires the development of value-added products, such as materials from biomass, including bark. Suberin is the most abundant component in birch (Betula verrucosa) outer bark and acts as a barrier against the penetration of water and external attacks from microorganisms. The aliphatic domain of suberin is rich in hydroxy fatty acids, such as cis-9,10-epoxy-18hydroxyoctadecanoic acid. In this study, it was isolated from the outer bark of birch and polymerised to prepare polyepoxy acid (PEA), which was used to impregnate filter papers. After complete drying, PEA-loaded filter papers were placed under UV to crosslink the epoxides through cationic polymerisation with a diaryliodonium salt as the photo-initiator. The crosslinking was evaluated using Fourier transform infrared (FTIR) spectroscopy and differential scanning calorimetry (DSC). The materials obtained after UV curing showed substantially increased hydrophobicity, decreased moisture absorption, increased tensile strength, and increased ductility. Field-emission scanning electron microscopy (FE-SEM) showed that the crosslinked PEA covered the surface of the cellulose fibres and filled the interstitial spaces. 45 Refs. --- --- Source: https://polymerjournals.com/influence-of-botanic-origin-on-the-morphology-and-size-of-starch-nanoparticles-from-andean-native-starch-sources/ # Influence of botanic origin on the morphology and size of starch nanoparticles from Andean native starch sources > Title: Influence of botanic origin on the morphology and size of starch nanoparticles from Andean native starch sources Page Range: p.91-104 Author(s): Torres F G; Troncoso O P; Vega J; Wong M File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/influence-of-botanic-origin-on-the-morphology-and-size-of-starch-nanoparticles-from-andean-native-starch-sources/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers from Renewable Resources **Title: Influence of botanic origin on the morphology and size of starch nanoparticles from Andean native starch sources** Page Range: p.91-104 Author(s): Torres F G; Troncoso O P; Vega J; Wong M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prr&JournalIssue=prr6-3&JournalID=102493&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers from Renewable Resources Issue Year: prr Volume: 6 Issue No: No.3 **Abstract** For the first time we report the extraction of starch nanoparticles from six varieties of native Andean potatoes. The starch granule size, amylose content and nanoparticle size varied with each different starch source. The size of the nanoparticles obtained ranged 65-278nm. No direct correlation was found between granule size and nanoparticle size. We have found that starches with similar amylose content can render nanoparticles of different sizes when they are obtained from different varieties of potatoes. 3 Refs. --- --- Source: https://polymerjournals.com/production-and-characterization-of-gelatin-starch-polymer-matrix-reinforced-with-cellulose-fibers/ # Production and characterization of gelatin-starch polymer matrix reinforced with cellulose fibers > Title: Production and characterization of gelatin-starch polymer matrix reinforced with cellulose fibers Page Range: p.105-118 Author(s): Rodriguez-Castellanos W; Rodrigue D; Martinez-Bustos F; Jimenez-Arevalo O; Stevanovic T File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers from Renewable Resources... Canonical URL: https://polymerjournals.com/production-and-characterization-of-gelatin-starch-polymer-matrix-reinforced-with-cellulose-fibers/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers from Renewable Resources **Title: Production and characterization of gelatin-starch polymer matrix reinforced with cellulose fibers** Page Range: p.105-118 Author(s): Rodriguez-Castellanos W; Rodrigue D; Martinez-Bustos F; Jimenez-Arevalo O; Stevanovic T File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prr&JournalIssue=prr6-3&JournalID=102494&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers from Renewable Resources Issue Year: prr Volume: 6 Issue No: No.3 **Abstract** In order to produce gelatin-starch polymer matrix reinforced with cellulose using twin-screw extrusion and compression moulding, gelatin-potato starch and gelatin-corn starch formulations were plasticised with glycerol (25% w/w) and reinforced with cellulose (0.34% w/w and 0.68% w/w dry basis) to produce flat sheets. According to the analysis of variance performed, adding TEMPOcellulose in the formulations decreased tensile strain at yield, but increased Young's modulus depending on the type of starch used in the formulation. Scanning electron microscopy and thermogravimetric analyses showed that the formation of a polymer matrix from gelatin/potato starch/TEMPO-cellulose and gelatin/corn starch/TEMPO-cellulose was successfully achieved. 46 Refs. --- --- Source: https://polymerjournals.com/temperature-dependence-of-tack-for-polyacrylic-block-copolymer-tackifier-blend/ # Temperature dependence of tack for polyacrylic block copolymer/tackifier blend > Title: Temperature dependence of tack for polyacrylic block copolymer/tackifier blend Page Range: p.121-128 Author(s): Kohei Shitajima; Nozomi Karyu; Kyohei Takada; Syuji Fujii; Yoshinobu Nakamura; Yoshiaki Urahama File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/temperature-dependence-of-tack-for-polyacrylic-block-copolymer-tackifier-blend/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Temperature dependence of tack for polyacrylic block copolymer/tackifier blend** Page Range: p.121-128 Author(s): Kohei Shitajima; Nozomi Karyu; Kyohei Takada; Syuji Fujii; Yoshinobu Nakamura; Yoshiaki Urahama File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102428&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** The effect of polymer and tackifier compatibility on tack of pressure-sensitive adhesive (PSA) tape was investigated. Poly(methyl methacrylate)-block-poly(butyl acrylate)-block-poly(methyl methacrylate) triblock copolymer was used as the base polymer and three types of tackifiers, an aliphatic petroleum resin (A), a special rosin ester resin (B), and a rosin phenolic resin (C), were mixed at 10-30 wt.%. Compatibility with the base polymer was greater in the order of C > B > A. Tackifier agglomerates of approximately 10 nm were observed by transmission electron microscopy for the PSA with tackifier C. Similar agglomerates were observed for tackifier B, but the size increased with content. The size for tackifier A was several tens of micrometres. Dynamic mechanical analysis indicated that the glass transition temperature of the poly(butyl acrylate) phase increased upon addition of tackifiers B and C. This trend was more significant for tackifier C. It was not observed for tackifier A. The temperature dependence of tack was measured using a probe tack test. Tack was greater in the order of C = B > A. Tack at higher temperatures was superior for greater tackifier C contents. Tackifier and base polymer compatibility has a strong effect on tack and its temperature dependence. 20 Refs. --- --- Source: https://polymerjournals.com/second-order-polarizability-and-temporal-stability-of-epoxy-polymers-doped-with-chromophore-and-with-chromophore-moieties-in-the-main-chain/ # Second-order polarizability and temporal stability of epoxy polymers doped with chromophore and with chromophore moieties in the main chain > Title: Second-order polarizability and temporal stability of epoxy polymers doped with chromophore and with chromophore moieties in the main chain Page Range: p.129-136 Author(s): Dmitry Mishurov; Roshal A; Oleksandr Brovko File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/second-order-polarizability-and-temporal-stability-of-epoxy-polymers-doped-with-chromophore-and-with-chromophore-moieties-in-the-main-chain/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Second-order polarizability and temporal stability of epoxy polymers doped with chromophore and with chromophore moieties in the main chain** Page Range: p.129-136 Author(s): Dmitry Mishurov; Roshal A; Oleksandr Brovko File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102429&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** Second-order nonlinear optical (NLO) properties and temporary stability of epoxy polymers based on diglycidyl ether of bisphenol A (DGEBA) both doped with p-nitroaniline (p-NA) and functionalised linear polymer DGEBA with p-NA moieties (attached to the bearing main chain) in the main chain (DGEBA-p-NA) have been investigated. Second-order polarizabilities of both p-NA and functionalised linear polymer DGEBA-p-NA were determined by a solvatochromic method. It was shown that this method could be successfully applied to determine the molecular second-order polarizabilities of both low-molecular mass chromophores and polymers with chromophore moieties attached to the chains. The relaxation behaviour of the doped and functionalised poled epoxy polymers has been studied. The crosslinked functionalised polymer DGEBA-p-NA exhibits the highest second-order NLO properties and temporal stability. 20 Refs. --- --- Source: https://polymerjournals.com/effect-of-post-spinning-modification-using-potassium-permanganate-on-the-thermal-specifications-of-acrylic-fibres/ # Effect of post spinning modification using potassium permanganate on the thermal specifications of acrylic fibres > Title: Effect of post spinning modification using potassium permanganate on the thermal specifications of acrylic fibres Page Range: p.137-140 Author(s): Eslami-Farsani R File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/effect-of-post-spinning-modification-using-potassium-permanganate-on-the-thermal-specifications-of-acrylic-fibres/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of post spinning modification using potassium permanganate on the thermal specifications of acrylic fibres** Page Range: p.137-140 Author(s): Eslami-Farsani R File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102430&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** This study is focused on post spinning treatment of acrylic fibres using 5%wt. potassium permanganate (KMnO4) solution under different impregnation times. The evaluation of initial and modified acrylic fibres by differential scanning calorimetry (DSC) showed that treating acrylic fibres with KMnO4 solution can result in changes of chemical structure and thermal behaviour of fibres. The recorded DSC thermograms of modified samples indicated that with increase of impregnation time, the onset temperature of the cyclisation reaction decreased. Also there was a progressive increase in the difference of onset and endset temperature ((DELTA)T) of chemical reactions in the DSC peak. 26 Refs. --- --- Source: https://polymerjournals.com/phase-morphology-and-mechanical-properties-of-aliphatic-waterborne-polyurethane-ureas-effect-of-16-hexamethylene-diisocyanate-hdi-isophorone-diisocyanate-ipdi-ratio/ # Phase morphology and mechanical properties of aliphatic waterborne polyurethane-ureas: effect of 1,6-hexamethylene diisocyanate (HDI)/isophorone diisocyanate (IPDI) ratio > Title: Phase morphology and mechanical properties of aliphatic waterborne polyurethane-ureas: effect of 1,6-hexamethylene diisocyanate (HDI)/isophorone diisocyanate (IPDI) ratio Page Range: p.141-150 Author(s): Heqing Fu; Kang Liu; Caibin Yan; Weifeng Chen; Yin Wang File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/phase-morphology-and-mechanical-properties-of-aliphatic-waterborne-polyurethane-ureas-effect-of-16-hexamethylene-diisocyanate-hdi-isophorone-diisocyanate-ipdi-ratio/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Phase morphology and mechanical properties of aliphatic waterborne polyurethane-ureas: effect of 1,6-hexamethylene diisocyanate (HDI)/isophorone diisocyanate (IPDI) ratio** Page Range: p.141-150 Author(s): Heqing Fu; Kang Liu; Caibin Yan; Weifeng Chen; Yin Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102431&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** Aliphatic waterborne polyurethane-ureas (WPUU) were prepared using 1,6-hexamethylene diisocyanate (HDI) and isophorone diisocyanate (IPDI) as mixed diisocyanates. The effects of the HDI/IPDI ratio on the phase morphology of WPUU films including the hydrogen bonding, crystallisation of the soft segment and hard segment, and phase separation were investigated. The relationship between the phase morphology and the mechanical properties was also studied. The FTIR spectrum showed that the hydrogen bonding degree in the hard segments increased as the HDI/IPDI ratio increased. XRD analysis revealed the excellent crystallinity of WPUU films. DSC analysis indicated that the degree of phase separation was improved with increasing HDI/IPDI ratio, and DMA analysis showed that the storage modulus of the WPUU film increased at first and then decreased. When the HDI/IPDI ratio was 4:1, the WPUU films exhibited high tensile strength. 32 Refs. --- --- Source: https://polymerjournals.com/three-dimensional-polyacrylamide-polyethylene-glycol-phosphoric-acid-for-high-temperature-proton-exchange-membranes/ # Three^-dimensional polyacrylamide^-poly(ethylene glycol)/phosphoric acid for high^-temperature proton exchange membranes > Title: Three^-dimensional polyacrylamide^-poly(ethylene glycol)/phosphoric acid for high^-temperature proton exchange membranes Page Range: p.151-158 Author(s): Zhenyi Li; Yansheng Yin; Liqiang Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue... Canonical URL: https://polymerjournals.com/three-dimensional-polyacrylamide-polyethylene-glycol-phosphoric-acid-for-high-temperature-proton-exchange-membranes/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Three^-dimensional polyacrylamide^-poly(ethylene glycol)/phosphoric acid for high^-temperature proton exchange membranes** Page Range: p.151-158 Author(s): Zhenyi Li; Yansheng Yin; Liqiang Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102432&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** We report the feasibility of anhydrous polyacrylamide-poly(ethylene glycol)/phosphoric acid (PAAm-PEG/ H3PO4) semi-interpenetrating network frameworks as high-temperature proton exchange membranes (PEMs). The PEMs are synthesised by imbibing H3PO4 aqueous solution into three-dimensional PAAm-PEG frameworks accompanied with a dehydration process. The electrical properties are optimized by adjusting synthesis conditions such as crosslinker, initiator and PEG dosages. Results show that the H3PO4 loading and therefore the proton conductivities of the PEMs are significantly enhanced at optimal synthesis conditions. The optimal anhydrous proton conductivity is as high as 0.18 S cm-1 at 180 deg C. A fuel cell using a thick membrane as a PEM shows a peak power density of 635 mW cm-2 at 150 deg C with O2 and H2 as the oxidant and fuel, respectively. The high proton conductivities at high temperatures in combination with the simple preparation, low cost, scalable hosts and proton conductors demonstrate the potential use of hydrogel materials in high-temperature PEM fuel cells. 34 Refs. --- --- Source: https://polymerjournals.com/factors-affecting-on-the-electricity-properties-of-a-metal-pet-composite-during-tensile-deformation/ # Factors affecting on the electricity properties of a metal/PET composite during tensile deformation > Title: Factors affecting on the electricity properties of a metal/PET composite during tensile deformation Page Range: p.159-166 Author(s): Mei-yu Chen; Kan Lai; Run-jun Sun; Hong-tian Fang; Wei Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/factors-affecting-on-the-electricity-properties-of-a-metal-pet-composite-during-tensile-deformation/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Factors affecting on the electricity properties of a metal/PET composite during tensile deformation** Page Range: p.159-166 Author(s): Mei-yu Chen; Kan Lai; Run-jun Sun; Hong-tian Fang; Wei Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102433&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** The effects of different factors on the electrical properties of a well-bonded metal/PET composite during tensile deformation were systematically analysed, including metal materials, metal coating film thickness and environmental temperature. It was found that, before a crack appearance in the coated metal film, the critical elongation of a well-bonded metal/PET composite depended on the differences of modulus and Poisson's ratio between the coated metal material and PET substrate. After cracking, the metal/PET composites with different metal films showed different elongations when there was a sudden increase in the resistance of the metal/PET composite; the thicker the metal film deposited on PET substrate was, the lower resistance the metal/PET composite had. The thickness of metal film had no obvious effect on the critical elongation of the metal/PET composites. In addition, the resistance of the metal/PET composite increased with the increasing environmental temperature. 22 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterisation-of-polyethersulfone-filled-with-silica-nanoparticles/ # Preparation and characterisation of polyethersulfone filled with silica nanoparticles > Title: Preparation and characterisation of polyethersulfone filled with silica nanoparticles Page Range: p.167-174 Author(s): Cheng-Fang Ou; Shing-Jyun Chium File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3... Canonical URL: https://polymerjournals.com/preparation-and-characterisation-of-polyethersulfone-filled-with-silica-nanoparticles/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation and characterisation of polyethersulfone filled with silica nanoparticles** Page Range: p.167-174 Author(s): Cheng-Fang Ou; Shing-Jyun Chium File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102434&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** This study was performed primarily to investigate the effects of chemical modification on silica surface and the silica content on the thermal and gas barrier properties of a polyethersulphone (PES) matrix. The PES/SiO2 composites composed of PES and three species of SiO2 nanoparticles (AEROSIL A200, R805 and R974) were prepared by solution blending. The thermal behaviour, thermal stability, and morphology of the composites were studied by DSC, TGA and SEM. The oxygen barrier efficiency of the composites was characterised by use of an oxygen transmission rate (OTR) analyser. The composites' properties, such as glass transition temperature (Tg), decomposition temperature (Td), and oxygen barrier, were found to improve. The Tgs of the composites increased significantly with the silica content and the 10 wt.% R805 composite exhibited the highest Tg, which was 28.7 wC higher than that of pure PES (193.8hC). The Tds of these composites increased from 4.9 sC to 10.6 CC with silica content ranging from 0.5~10 wt.%. The added SiO2 leads to an increase in Tg and Td .The oxygen barrier effectiveness of the composites showed significant improvement when compared to pure PES. The 1 wt.% R974 composite exhibited the lowest OTR, a decrease of 62% when compared to pure PES. These results indicate that the PES/SiO2 composites have high potential for flexible polymer substrate applications. 37 Refs. --- --- Source: https://polymerjournals.com/tributyl-citrate-as-diluent-for-preparation-of-pvdf-porous-membrane-via-thermally-induced-phase-separation/ # Tributyl citrate as diluent for preparation of PVDF porous membrane via thermally induced phase separation > Title: Tributyl citrate as diluent for preparation of PVDF porous membrane via thermally induced phase separation Page Range: p.175-180 Author(s): Zhao-Cai Zhang; Chun-Gang Guo; Jing-Lie Lv File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/tributyl-citrate-as-diluent-for-preparation-of-pvdf-porous-membrane-via-thermally-induced-phase-separation/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Tributyl citrate as diluent for preparation of PVDF porous membrane via thermally induced phase separation** Page Range: p.175-180 Author(s): Zhao-Cai Zhang; Chun-Gang Guo; Jing-Lie Lv File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102435&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** Poly(vinylidene fluoride) (PVDF) membrane was successfully prepared by PVDF/tributyl citrate (TBC) via thermally induced phase separation (TIPS). TBC was used as diluent for membrane preparation, which is citric acid esters non-toxic, non-odorous, easy to prepare and comparatively cheap. The effects of PVDF content on crystallinity of PVDF and porous structure were investigated by differential scanning calorimetry (DSC), scanning electron microscopy (SEM), mercury porosimetry and pore size analyser instrument. The results showed that PVDF was most able to crystallize and the membrane pore size became more uniform and smaller at higher polymer content. 17 Refs. --- --- Source: https://polymerjournals.com/the-properties-and-a-new-preparation-of-ethylene-propylene-diene-monomer-montmorillonite-nanocomposites/ # The properties and a new preparation of ethylene propylene diene monomer/montmorillonite nanocomposites > Title: The properties and a new preparation of ethylene propylene diene monomer/montmorillonite nanocomposites Page Range: p.181-190 Author(s): Ming-Chien Yang; Bo-Jyue Kao; Chi-Hui Tsou; Maw-Cherng Suen; Chin-San Wu; Chih-Yuan Tsou; Chih-Kuei Chu; Wei-Hua Yao; Wen-Yan Wu; Wei-Sung Hong; Kueir-Rarn Lee File size: Download... Canonical URL: https://polymerjournals.com/the-properties-and-a-new-preparation-of-ethylene-propylene-diene-monomer-montmorillonite-nanocomposites/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The properties and a new preparation of ethylene propylene diene monomer/montmorillonite nanocomposites** Page Range: p.181-190 Author(s): Ming-Chien Yang; Bo-Jyue Kao; Chi-Hui Tsou; Maw-Cherng Suen; Chin-San Wu; Chih-Yuan Tsou; Chih-Kuei Chu; Wei-Hua Yao; Wen-Yan Wu; Wei-Sung Hong; Kueir-Rarn Lee File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102436&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** In this study, ethylene propylene diene monomer (EPDM)/organic clay nanocomposites were prepared using melt intercalation to explore how the nanoclay affected their structures and mechanical and thermal properties. Montmorillonite (MMT) modified with hydrochloric acid (HCl) and maleic anhydride (MAH) was employed to improve the compatibility of the EPDM and MMT phases. The effects of the modified clay on the properties of the EPDM were compared with those of commercially available MMTs (Clay10A and Clay30B) synthesised using an alternative modifier. The nanoclay structures of the EPDM/clay nanocomposites were characterised using X-ray diffraction (XRD), and their thermal and mechanical properties were examined a using thermogravimetric analysis (TGA) and universal tensile testing machine. MMT spacing can be increased with the addition of hydrochloric acid and maleic anhydride (MAH). The XRD results showed no diffraction peak for the EPDM and modified MMT (ClayMAH) composites, verifying that the MMT was exfoliated. The TGA results showed that the thermal decomposition temperature and the residual can be enhanced by increasing the ClayMAH content, the pyrolysis temperatures of EPDM/ClayMAH, EPDM/Clay10A, and EPDM/Clay30B are similar because of the barrier effect phenomenon. The mechanical properties can also be improved with additional ClayMAH content because the clay is dispersed in EPDM. A decline in the crosslinking density increases the slidability between polymers, which enhances the mechanical properties of the nanocomposite. ClayMAH is more effective for improving the tensile property compared to Clay10A and Clay30B. 26 Refs. --- --- Source: https://polymerjournals.com/preparation-of-polyaniline-filter-paper-composite-for-removal-of-coomassie-brilliant-blue/ # Preparation of polyaniline/filter-paper composite for removal of coomassie brilliant blue > Title: Preparation of polyaniline/filter-paper composite for removal of coomassie brilliant blue Page Range: p.191-198 Author(s): Wanwan Liu; Xiaoqiang Li; Mengjuan Li; Yonggui Li; Mingqiao Ge File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-of-polyaniline-filter-paper-composite-for-removal-of-coomassie-brilliant-blue/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation of polyaniline/filter-paper composite for removal of coomassie brilliant blue** Page Range: p.191-198 Author(s): Wanwan Liu; Xiaoqiang Li; Mengjuan Li; Yonggui Li; Mingqiao Ge File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102437&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** Polyaniline/filter-paper (PANI/FP) composite was prepared by in-situ polymerisation of polyaniline onto filter paper and subsequently evaluated for the removal of Coomassie brilliant blue (CBB) from aqueous solution. Scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and Fourier-transform infrared (FTIR) spectroscopy were used to investigate the morphology and physicochemical properties of PANI/FP composite. Batch experimental results showed that the pH value and temperature could affect the removal capability of the PANI/FP composite. Langmuir and Freundlich models were used to analyse the equilibrium adsorption. Pseudo-first and pseudo-second order models were used to investigate the kinetics of CBB adsorption onto PANI/FP composite. 20 Refs. --- --- Source: https://polymerjournals.com/preparation-characterization-and-anti-bacterial-activity-of-zinc-oxide-gelatin-nanocomposite-film-for-food-packaging-applications/ # Preparation, characterization and anti-bacterial activity of zinc oxide-gelatin nanocomposite film for food packaging applications > Title: Preparation, characterization and anti-bacterial activity of zinc oxide-gelatin nanocomposite film for food packaging applications Page Range: p.199-204 Author(s): Umamaheswari G; Sanuja S; Vino Arul John; Kanth S V; Umapathy M J File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/preparation-characterization-and-anti-bacterial-activity-of-zinc-oxide-gelatin-nanocomposite-film-for-food-packaging-applications/ Published: 2015-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation, characterization and anti-bacterial activity of zinc oxide-gelatin nanocomposite film for food packaging applications** Page Range: p.199-204 Author(s): Umamaheswari G; Sanuja S; Vino Arul John; Kanth S V; Umapathy M J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-3&JournalID=102438&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.3 **Abstract** Gelatin based composite films were prepared using various crosslinking agents for possible application in the food packaging industry. In the present study, gelatin films were formed by the incorporation of zinc oxide (ZnO) nanoparticles. The ZnO nanoparticles were synthesised by a wet chemical method using zinc nitrate as precursor and starch as stabilising agent. It was characterised by FTIR. Surface morphology and thermal studies were performed by SEM and TGA respectively. The average particle size was calculated from the X-ray diffraction pattern using Scherrer's equation. Mechanical studies were done with a Universal Testing Machine. The distribution of particles was clearly seen by SEM and thermal studies showed that the decomposition temperature of gelatin was increases by the incorporation nano ZnO. The mechanical properties were also improved with increase in concentration of nano ZnO. Antibacterial activities of the films were also studied against S. aureus, V. cholera and E. coli by the disc diffusion method. 22 Refs. --- --- Source: https://polymerjournals.com/effect-of-maleic-anhydride-grafted-polypropylene-content-on-the-bond-properties-of-crimped-macro-polypropylene-fibre-in-styrene-butadiene-latex-modified-cement-based-composites/ # Effect of maleic anhydride-grafted polypropylene content on the bond properties of crimped macro polypropylene fibre in styrene butadiene latex-modified cement-based composites > Title: Effect of maleic anhydride-grafted polypropylene content on the bond properties of crimped macro polypropylene fibre in styrene butadiene latex-modified cement-based composites Page Range: p.65-70 Author(s): Ri-On Oh; Seung-Kee Lee; Chan-Gi Park File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-maleic-anhydride-grafted-polypropylene-content-on-the-bond-properties-of-crimped-macro-polypropylene-fibre-in-styrene-butadiene-latex-modified-cement-based-composites/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of maleic anhydride-grafted polypropylene content on the bond properties of crimped macro polypropylene fibre in styrene butadiene latex-modified cement-based composites** Page Range: p.65-70 Author(s): Ri-On Oh; Seung-Kee Lee; Chan-Gi Park File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102407&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** The influence of maleic anhydride-grafted polypropylene (mPP) on the bond characteristics of macro propylene (PP) fibre and styrene butadiene (SB) latex-modified, cement-based composites was investigated. The mPP content ranged from 0 to 40% of the cement weight. Bonding strength and interfacial toughness were measured in accordance with standard method JCI SF-8. Both bonding strength and interfacial toughness increased with increasing amounts of mPP up to 15% but decreased with mPP levels above 20%. mPP strengthens the interfacial bonding between fibre and cement by forming hydrogen bonds. Because mPP is hydrophilic, it also fills pores created at the interface between macro PP, a non-hydrophilic material, and the cement composite. As a result, the overall bonding performance of the composite was enhanced by increasing the frictional force and inhibiting crack generation and growth under fibre pullout loads. These mechanisms were confirmed by fine structure analyses of the micro-PP fibre surface after pullout tests. The amount of mPP used in the composite had a strong influence on the frictional force generated at the interface between the fibre and the cement matrix. 12 Refs. --- --- Source: https://polymerjournals.com/the-filling-of-a-mould-cavity-with-simultaneous-impregnation-of-the-reinforcing-porous-layer/ # The filling of a mould cavity with simultaneous impregnation of the reinforcing porous layer > Title: The filling of a mould cavity with simultaneous impregnation of the reinforcing porous layer Page Range: p.71-76 Author(s): Baranov A V File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/the-filling-of-a-mould-cavity-with-simultaneous-impregnation-of-the-reinforcing-porous-layer/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The filling of a mould cavity with simultaneous impregnation of the reinforcing porous layer** Page Range: p.71-76 Author(s): Baranov A V File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102408&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** The isothermal filling of a flat mould cavity by a Newtonian fluid with simultaneous impregnation of the reinforcing porous layer is investigated. The flow in the cavity is described by inertialess Navier-Stokes equations, the flow in the porous layer by Darcy's law, and the flow in the region adjacent to the 'liquid-porous layer' boundary by the Brinkman equation. 26 Refs. --- --- Source: https://polymerjournals.com/statistically-designed-high-and-low-methyl-acrylate-ma-containing-ema-ethylene-octene-copolymer-double-network-hybrids-interesting-contrast-in-physico-mechanical-rheological-and-electrical-propert/ # Statistically designed high and low methyl acrylate (MA) containing EMA-ethylene-octene copolymer double network hybrids: interesting contrast in physico-mechanical, rheological and electrical properties > Title: Statistically designed high and low methyl acrylate (MA) containing EMA-ethylene-octene copolymer double network hybrids: interesting contrast in physico-mechanical, rheological and electrical properties Page Range: p.77-84 Author(s): Rumiya Pervin; Soumya Mondal; Luna Goswami; Vijayabaskar V; Abhijit Bandyopadhyay File size: Download the pdf... Canonical URL: https://polymerjournals.com/statistically-designed-high-and-low-methyl-acrylate-ma-containing-ema-ethylene-octene-copolymer-double-network-hybrids-interesting-contrast-in-physico-mechanical-rheological-and-electrical-propert/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Statistically designed high and low methyl acrylate (MA) containing EMA-ethylene-octene copolymer double network hybrids: interesting contrast in physico-mechanical, rheological and electrical properties** Page Range: p.77-84 Author(s): Rumiya Pervin; Soumya Mondal; Luna Goswami; Vijayabaskar V; Abhijit Bandyopadhyay File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102409&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** This paper demonstrates interesting contrasts between physical, mechanical and rheological properties of double network hybrids developed from high (30 wt.%) and low (9 wt.%) methyl acrylate containing poly (ethylene-co-methyl acrylate) and poly (ethylene-co-octene) thermoplastic elastomer. The compositions were designed adopting a Taguchi L9 statistical model. The model was espoused to consider a wide range of blend compositions and process conditions for optimisation. The majority of the low methyl acrylate containing hybrids showed normal correlation between mechanical and other physical properties with the net gel content while for the other variety, they were ambiguous. The reason was investigated and it was found to be due to the influence of the nature of crosslinks formed between the phases which controlled the properties in the latter. Based on the results, finally, two blend compositions were chosen from each set as the most optimized formulations for future study. 19 Refs. --- --- Source: https://polymerjournals.com/poly-ethylene-co-vinyl-acetate-magnetite-nanocomposites-interaction-of-some-liquid-fuels-thermal-and-oil-resistance-studies/ # Poly (ethylene-co-vinyl acetate)/ magnetite nanocomposites: interaction of some liquid fuels, thermal and oil resistance studies > Title: Poly (ethylene-co-vinyl acetate)/ magnetite nanocomposites: interaction of some liquid fuels, thermal and oil resistance studies Page Range: p.85-92 Author(s): Ramesan M T File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/poly-ethylene-co-vinyl-acetate-magnetite-nanocomposites-interaction-of-some-liquid-fuels-thermal-and-oil-resistance-studies/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Poly (ethylene-co-vinyl acetate)/ magnetite nanocomposites: interaction of some liquid fuels, thermal and oil resistance studies** Page Range: p.85-92 Author(s): Ramesan M T File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102410&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** Nanocomposites of poly (ethylene-co-vinyl acetate) (EVA) with magnetite (Fe3O4) particles were prepared in a laboratory size two roll mixing mill. The extent of interaction of nanoparticles in EVA was studied by X- ray diffraction (XRD), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). XRD patterns showed that the nanoparticles enhanced the crystalline nature of the polymer. Composite with 7 parts per hundred (phr) of Fe3O4 showed the uniform dispersion of nanoparticles in the EVA phase. The TGA result showed that the decomposition temperature of EVA/ Fe3O4 nanocomposites was much higher than the decomposition rate of pure EVA. Petrol, diesel and kerosene sorption by nanocomposites in the temperatures range of 28 to 50 deg C have been investigated. The minimum solvent uptake was obtained for the composite with 7 phr of filler and the value increased with increase in concentration of nanoparticles was due to the aggregation of nanoparticles at higher loading. Diesel showed the lowest interaction with composites compared to petrol and kerosene. It was found that the temperature activates the diffusion and the activation parameters were calculated. The oil resistance properties of the nanocomposite were higher than that of EVA and resistance to oil increased with increase in concentration of nanoparticles. 28 Refs. --- --- Source: https://polymerjournals.com/wavelength-sensitivity-in-polypropylene-clay-composite-photooxidation/ # Wavelength sensitivity in polypropylene/clay composite photooxidation > Title: Wavelength sensitivity in polypropylene/clay composite photooxidation Page Range: p.93-102 Author(s): Samira Aslanzadeh; Haghighat Kish M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 Abstract The... Canonical URL: https://polymerjournals.com/wavelength-sensitivity-in-polypropylene-clay-composite-photooxidation/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Wavelength sensitivity in polypropylene/clay composite photooxidation** Page Range: p.93-102 Author(s): Samira Aslanzadeh; Haghighat Kish M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102411&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** The photo-oxidation behaviour of polypropylene/maleic anhydride-grafted polypropylene/organic modified montmorillonite (PP/PPgMA/OMMT) composites with short wavelength (UVC) and long wavelength (UVA) ultraviolet radiation was examined. The samples were prepared in a co-rotating twin-screw extruder and compatibilisers with different degrees of maleation were used. The photo-oxidative stability was studied using FTIR spectroscopy and microscopy. During UVA exposure, the rate of photo-oxidation of PP/PPgMA/OMMT increased with the amount of maleic anhydride from 0.1 to 0.5 wt.% in PPgMA. However, even after 2500 h of exposure to the radiation, the FTIR spectrum of pristine PP did not show significant changes. For UVC radiation, the rate of photo-oxidation of PP/PPgMA/OMMT composites was the same as that of pristine PP. On the other hand, there was a difference between PP and PP/PPgMA/OMMT composites in the formation of a crack on the back surfaces of the sheets facing the UVC sources. The difference was due to the presence of Fe3+ in clay layers that had the effect of UV-protection and blocking in the UVC region. 54 Refs. --- --- Source: https://polymerjournals.com/preparation-mechanical-and-thermal-properties-of-polybutylene-terephthalate-and-its-nanocomposites-prepared-from-cyclic-butylene-terephthalate/ # Preparation, mechanical and thermal properties of poly(butylene terephthalate) and its nanocomposites prepared from cyclic butylene terephthalate > Title: Preparation, mechanical and thermal properties of poly(butylene terephthalate) and its nanocomposites prepared from cyclic butylene terephthalate Page Range: p.103-108 Author(s): Bin Yang; Limin Zhou; Jifeng Zhang; Lu Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/preparation-mechanical-and-thermal-properties-of-polybutylene-terephthalate-and-its-nanocomposites-prepared-from-cyclic-butylene-terephthalate/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation, mechanical and thermal properties of poly(butylene terephthalate) and its nanocomposites prepared from cyclic butylene terephthalate** Page Range: p.103-108 Author(s): Bin Yang; Limin Zhou; Jifeng Zhang; Lu Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102412&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** Polymerized cyclic butylene terephthalate (pCBT) casts and pCBT/nano-silica composites generated from cyclic butylene terephthalate (CBT) were manufactured. The mechanical properties of pCBT casts with various ratio of catalyst were investigated through three-point bending test, and the thermal properties of the samples were tested by differential scanning calorimeter (DSC) and thermogravimetric analysis (TGA). Moreover, the fracture morphologies of pCBT as well as its nano-silica composites were observed by SEM. From the study, suitable catalyst content for CBT resin was determined and pCBT/nano-silica composites were found to have better thermal performances compared with neat pCBT. 16 Refs. --- --- Source: https://polymerjournals.com/effect-of-starch-fillers-on-the-dynamic-mechanical-properties-of-rubber-biocomposite-materials/ # Effect of starch fillers on the dynamic mechanical properties of rubber biocomposite materials > Title: Effect of starch fillers on the dynamic mechanical properties of rubber biocomposite materials Page Range: p.109-112 Author(s): Datta J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue... Canonical URL: https://polymerjournals.com/effect-of-starch-fillers-on-the-dynamic-mechanical-properties-of-rubber-biocomposite-materials/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of starch fillers on the dynamic mechanical properties of rubber biocomposite materials** Page Range: p.109-112 Author(s): Datta J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102413&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** The results of the dynamic mechanical study of biocomposites filled with different amounts of potato starch and corn starch are discussed. The composites were obtained from rubber mixtures containing natural rubber (NR) as a main component. Plastification of NR and rubber mixture was achieved by using the rubber open mixing mill (friction ratio 1.08). The vulcanisation process was realized with a hydraulic press under predetermined conditions (pressure ca. 5 MPa, temperature ca. 143 deg C, and processing time of 7, 12, 17 min). Thermomechanical analysis (by DMTA) showed that the quantity of starch fillers had only a slight influence on the glass transition temperature of the produced vulcanisate materials. 14 Refs. --- --- Source: https://polymerjournals.com/effect-of-red-phosphorus-masterbatch-on-flame-retardancy-and-thermal-stability-of-polypropylene-thermoplastic-polyurethane-blends/ # Effect of red phosphorus masterbatch on flame retardancy and thermal stability of polypropylene/thermoplastic polyurethane blends > Title: Effect of red phosphorus masterbatch on flame retardancy and thermal stability of polypropylene/thermoplastic polyurethane blends Page Range: p.113-120 Author(s): Yang Xu; Mengqi Tang; Xiaolang Chen; Man Chen; Jie Yu; Yonghong Ma; Zhidan Sun; Zhibin Zhang; Jun Lv File size: Download the... Canonical URL: https://polymerjournals.com/effect-of-red-phosphorus-masterbatch-on-flame-retardancy-and-thermal-stability-of-polypropylene-thermoplastic-polyurethane-blends/ Published: 2015-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of red phosphorus masterbatch on flame retardancy and thermal stability of polypropylene/thermoplastic polyurethane blends** Page Range: p.113-120 Author(s): Yang Xu; Mengqi Tang; Xiaolang Chen; Man Chen; Jie Yu; Yonghong Ma; Zhidan Sun; Zhibin Zhang; Jun Lv File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-2&JournalID=102414&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.2 **Abstract** In this work, red phosphorus masterbatch (RPM) was filled into polypropylene/thermoplastic polyurethanes (PP/ TPU) blends as a halogen-free flame retardant. The flammability behaviour, thermal stability and mechanical properties were investigated by limit oxygen index (LOI), UL-94 vertical burning, cone calorimeter tests (CCT), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). The results showed that the addition of RPM improved the flame retardant performance of PP/TPU blends. The LOI values of the composites with RPM were higher than that of the PP/TPU blends, and the UL-94 V-2 rating was achieved for PP/TPU/RPM composites. The CCT results further indicated that the heat release rates (HRR), total heat release (THR), and the CO2 production rate (CO2P) decreased in comparison with the PP/TPU blends. TGA data indicated that RPM greatly enhanced the thermal stability and char residues of PP/TPU blends. The addition of RPM deteriorated the tensile strength of the PP/TPU/RPM composites. However, the impact strength of the composites was improved. 24 Refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-core-shell-particles-filled-beta-nucleated-polypropylene-random-copolymer-composites/ # Preparation and properties of core-shell particles filled beta-nucleated polypropylene random copolymer composites > Title: Preparation and properties of core-shell particles filled beta-nucleated polypropylene random copolymer composites Page Range: p.1-10 Author(s): Youchen Li; Guixin Zhang; Xiaowei Fu; Weihong Guo File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-core-shell-particles-filled-beta-nucleated-polypropylene-random-copolymer-composites/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation and properties of core-shell particles filled beta-nucleated polypropylene random copolymer composites** Page Range: p.1-10 Author(s): Youchen Li; Guixin Zhang; Xiaowei Fu; Weihong Guo File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102345&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** To provide polypropylene random copolymer (PPR) with excellent toughness without lowering its rigidity, a novel kind of core-shell particles (CSP) and beta-nucleating agent (beta-NA) were incorporated into PPR by melt blending. The CSP, in which nano-CaCO3 acted as the core and polyethylene (PE) formed the shell, was also prepared through melt blending. The effects of different proportion of PE shell and nano-CaCO3 core on the properties of p-modified PPR composites were investigated. The dispersion and morphology of CSP were studied by transmission electron microscopy (TEM) and the results showed that the CSP dispersed fairly well in the PPR matrix and the core-shell structure was successfully formed. The nano-CaCO3 core was completely encapsulated by PE, especially at the 50/50 weight ratio. The crystallisation behaviour of the PPR composites was characterised by differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD) and polarised optical microscopy (POM). All the results showed that the relative content of beta-form crystal was greatly enhanced with the incorporation of beta-NA. Furthermore, the weight ratio change of PE/nano-CaCO3 could also increase the relative content of the beta-form crystal. Under the combined effects of beta-modification and CSP, the mechanical properties of the PPR composites were greatly enhanced without reducing its rigidity. 40 refs. --- --- Source: https://polymerjournals.com/temperature-distribution-and-curing-behaviour-of-carbon-fibre-epoxy-composite-during-vacuum-assisted-resin-infusion-moulding-using-rapid-heating-methods/ # Temperature distribution and curing behaviour of carbon fibre/epoxy composite during vacuum assisted resin infusion moulding using rapid heating methods > Title: Temperature distribution and curing behaviour of carbon fibre/epoxy composite during vacuum assisted resin infusion moulding using rapid heating methods Page Range: p.11-20 Author(s): Yizhuo Gu; Xing Qin; Min Li; Kaomin Zhang; Zuoguang Zhang File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/temperature-distribution-and-curing-behaviour-of-carbon-fibre-epoxy-composite-during-vacuum-assisted-resin-infusion-moulding-using-rapid-heating-methods/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Temperature distribution and curing behaviour of carbon fibre/epoxy composite during vacuum assisted resin infusion moulding using rapid heating methods** Page Range: p.11-20 Author(s): Yizhuo Gu; Xing Qin; Min Li; Kaomin Zhang; Zuoguang Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102346&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** This paper designs two kinds of rapid heating methods for vacuum assisted resin infusion moulding (VARIM) process aiming to reduce the cycle time of carbon fibre/rapid curing epoxy composite fabrication. One utilizes the silicone rubber heating sheet containing thin resistance wires, and the other takes advantage of carbon fibre conductivity to produce internal resistive heating. Conventional oven heating VARIM was performed as a reference. The heating rates and temperature distributions in carbon fibre preform heated by the three heating methods with and without epoxy resin injection were investigated and compared. The curing degree and glass transition temperature of laminates fabricated by different VARIM processes were determined. The heating rate of silicone rubber heating sheet was 26 deg C/min, while the carbon fibre internal resistive heating reached 30 deg C/ min, which was much higher than the heating rate of 2 deg C/min in oven. Unlike the highly uniform temperature distribution in the oven heating process, there was a slight temperature gradient within 5 deg C in the silicone rubber heating process and a relatively large gradient within 13 deg C in internal resistive heating process for dry fibre preform. When epoxy resin was injected, the temperature gradients obviously increased along the resin flowing direction especially for the rapid heating methods. However, the temperature gradient seemed not to affect the curing degree and its uniformity of laminates for all studied VARIM processes. The cycle time of composite fabrication by the rapid heating VARIM processes was reduced by over 40% compared to oven heating VARIM. 24 Refs. --- --- Source: https://polymerjournals.com/impact-fracture-study-of-laminated-composite-using-single-edge-notched-bend-specimens/ # Impact fracture study of laminated composite using single edge notched bend specimens > Title: Impact fracture study of laminated composite using single edge notched bend specimens Page Range: p.21-28 Author(s): Rizov V File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No:... Canonical URL: https://polymerjournals.com/impact-fracture-study-of-laminated-composite-using-single-edge-notched-bend-specimens/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Impact fracture study of laminated composite using single edge notched bend specimens** Page Range: p.21-28 Author(s): Rizov V File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102347&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** The results of an investigation of impact fracture in laminated composite material are presented in this paper. Low velocity impact fracture tests were carried out on single edge notched three-point bending (SENB) specimens using a drop-weight rig. An inclined notch was introduced in the SENB specimen in order to generate mixed mode I/II crack loading conditions. Different mixed-mode ratios were obtained by varying the notch inclination from 10 deg to 90 deg with a step of 10 deg. The SENB specimens were subjected to various impact potential energies by varying the drop-height in order to determine the critical impact potential energy at which the crack growth initiates from the initial notch tip position for each of the considered notch inclinations. The mechanical response of the SENB specimen to impact loading was analysed using a two-dimensional linear-elastic finite element model. Good agreement was obtained between the predicted contact force - time curve and the measured one at various impact potential energy levels and notch inclinations. The strain energy release rate mode components were computed by the virtual crack closure technique. The composite fracture toughness under impact loading was characterised in terms of the critical dynamic strain energy release rate at the onset of crack growth. It was found that the fracture toughness under impact loading increases with decreasing the notch inclination. This finding was attributed to the increase of mode II component of crack loading. A comparison of the fracture behaviour under impact and static loading was performed. It was found that the fracture toughness under impact loading was between 19% and 23% lower than the static one for the different notch inclinations. Therefore, it was concluded that static fracture toughness should not be used in the fracture mechanics based design of composite structures which are subjected to impact loading during their lifetime. 28 Refs. --- --- Source: https://polymerjournals.com/investigation-on-mechanical-properties-of-occ-fiber-hdpe-composite-containing-different-types-of-coupling-agents/ # Investigation on mechanical properties of OCC fiber-HDPE composite containing different types of coupling agents > Title: Investigation on mechanical properties of OCC fiber-HDPE composite containing different types of coupling agents Page Range: p.29-36 Author(s): Mohebi Damabi R; Rashno A; Ahmadi S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/investigation-on-mechanical-properties-of-occ-fiber-hdpe-composite-containing-different-types-of-coupling-agents/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Investigation on mechanical properties of OCC fiber-HDPE composite containing different types of coupling agents** Page Range: p.29-36 Author(s): Mohebi Damabi R; Rashno A; Ahmadi S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102348&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** In this study, the effects of adding different coupling agents, e.g. maleic anhydride-grafted polyethylene (MAPE), silane (3-aminopropyltrimethoxy silane) (silane1189) and isocyanate (hexamethylenediisocyanate) (HDI) on mechanical and morphological properties of composite samples of high density polyethylene/old corrugated container fibres (HDPE/OCC) were studied. The amounts of OCC fibre and coupling agents used were 30% and 2% of dry composite weight, respectively. Mixing of materials was carried out by a two-screw counter extruder and samples were prepared by injection moulding. In order to compare the results of the use of mixture coupling agents, their effects were studied independently, as well. Mechanical properties of prepared composite samples containing coupling agents were measured and the results were compared with those of pure high density polyethylene and those of composite samples without coupling agent. The measured mechanical properties showed that maximum values of tensile and flexural strengths and tensile and flexural modulus could only be obtained in composites containing a mixture of silane1189 and MAPE coupling agents. It was also observed that the Izod impact strength values of composites with coupling agents increased significantly. SEM micrographs of failure surfaces of samples showed that the best homogeneity of composites and bonding between OCC fibres and polymer matrix were obtained for the sample containing 1 wt.% silane and 1 wt.% MAPE. 32 refs. --- --- Source: https://polymerjournals.com/the-tribological-and-mechanical-properties-of-pdcpd-pew-composites-prepared-by-reaction-injection-moulding/ # The tribological and mechanical properties of PDCPD/PEW composites prepared by reaction injection moulding > Title: The tribological and mechanical properties of PDCPD/PEW composites prepared by reaction injection moulding Page Range: p.37-42 Author(s): Liping Wang; Bingli Pan; Jinping Du; Yumei Cheng; Jichun Liu; Sanming Du; Bao Shangguan; Yongzhen Zhang File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/the-tribological-and-mechanical-properties-of-pdcpd-pew-composites-prepared-by-reaction-injection-moulding/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The tribological and mechanical properties of PDCPD/PEW composites prepared by reaction injection moulding** Page Range: p.37-42 Author(s): Liping Wang; Bingli Pan; Jinping Du; Yumei Cheng; Jichun Liu; Sanming Du; Bao Shangguan; Yongzhen Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102349&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** In order to improve mechanical performance and wear resistance of polydicyclopentadiene (PDCPD) by convenient methods and technologies, novel PDCPD/polyethylene wax (PEW) composites were prepared by in-situ polymerisation in a simulated reaction injection moulding. Studies on the mechanical and tribological properties of the composites were carried out. The bending strength and hardness of PDCPD/PEW composites significantly improved compared with neat PDCPD. The incorporation of PEW in PDCPD greatly enhanced the wear resistance and reduced the friction coefficients. The wear mass loss and friction coefficients for PDCPD/ PEW composites decreased continuously in the range of our experiments. The SEM micrographs of the worn surface showed the friction and wear mechanism of PDCPD. 17 Refs. --- --- Source: https://polymerjournals.com/mechanical-constitutive-relation-model-of-expanded-polyvinyl-alcohol/ # Mechanical constitutive relation model of expanded polyvinyl alcohol > Title: Mechanical constitutive relation model of expanded polyvinyl alcohol Page Range: p.43-50 Author(s): Dongmei Wang; Hong Zhu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 Abstract... Canonical URL: https://polymerjournals.com/mechanical-constitutive-relation-model-of-expanded-polyvinyl-alcohol/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical constitutive relation model of expanded polyvinyl alcohol** Page Range: p.43-50 Author(s): Dongmei Wang; Hong Zhu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102350&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** The compression stress-strain response of expanded polyvinyl alcohol under different influence factors had been studied by static compression experiments. The constitutive relation model of expanded polyvinyl alcohol was established based on the Sherwood-Frost model, including density, temperature, strain rate and strain, and the factor of relative humidity was added to improve the model. Finally, the accuracy of the constitutive relation model was validated by comparing calculated curves according to the constitutive relation model and experimental data; the results were in good agreement. The model can easily predict compressive stress of expanded polyvinyl alcohol under various environmental conditions, and is also meaningful to offer reference data for product packaging. 13 Refs. --- --- Source: https://polymerjournals.com/the-orientational-order-of-the-alpha-helical-backbone-of-polygamma-benzyl-l-glutamate-a-molecular-dynamics-simulation/ # The orientational order of the alpha-helical backbone of poly(gamma-benzyl l-glutamate) – a molecular dynamics simulation > Title: The orientational order of the alpha-helical backbone of poly(gamma-benzyl l-glutamate) - a molecular dynamics simulation Page Range: p.51-58 Author(s): Zhiping Zhou; Lu Tao; Wenming Yang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/the-orientational-order-of-the-alpha-helical-backbone-of-polygamma-benzyl-l-glutamate-a-molecular-dynamics-simulation/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: The orientational order of the alpha-helical backbone of poly(gamma-benzyl l-glutamate) - a molecular dynamics simulation** Page Range: p.51-58 Author(s): Zhiping Zhou; Lu Tao; Wenming Yang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102351&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** For a Poly(gamma-benzyl L-glutamate) (PBLG) segment with 30 monomers, molecular dynamics simulation was carry out in the Amber forcefield, by the software package InsightII/Discover. The geometrical structure of the backbone of the model molecule in the minimized energy state is in close agreement with that in the solid polypeptides. In the dynamic equilibrium state, the structure becomes slightly flabby and has a potential ca. 4800kJ/mol higher than that in the minimized energy state for the model molecule. On the average, the alpha-helical backbone architecture of PBLG remains quite stable during the molecular dynamic process, though the fluctuation of the bond and dihedral angles. The observed D NMR spectra for the quadrupolar splittings are reproduced and the previous architecture analysis was verified by the simulation calculations. 16 Refs. --- --- Source: https://polymerjournals.com/cocrystallization-behavior-of-hdpe-uhmwpe-blends-prepared-by-two-step-processing-way/ # Cocrystallization behavior of HDPE/UHMWPE blends prepared by two-step processing way > Title: Cocrystallization behavior of HDPE/UHMWPE blends prepared by two-step processing way Page Range: p.59-64 Author(s): Jiandong Zuo; Shumei Liu; Jianqing Zhao File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23... Canonical URL: https://polymerjournals.com/cocrystallization-behavior-of-hdpe-uhmwpe-blends-prepared-by-two-step-processing-way/ Published: 2015-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Cocrystallization behavior of HDPE/UHMWPE blends prepared by two-step processing way** Page Range: p.59-64 Author(s): Jiandong Zuo; Shumei Liu; Jianqing Zhao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc23-1&JournalID=102352&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 23 Issue No: No.1 **Abstract** Blends of high density polyethylene (HDPE) and ultra-high molecular weight polyethylene (UHMWPE) were prepared by two-step processing way. Middle molecular weight polyethylene (MMWPE) as the lubricant was added into UHMWPE in the first processing step. Cocrystallisation behaviour of the blends was examined by DSC, XRD and light microscope (LM). A single endotherm peak in DSC curves revealed that cocrystallisation probably formed between HDPE and UHMWPE. Moreover reducing heating rate didn't make the single endotherm separate. The enhancing of diffractive strength on 110 and 200 crystal face manifested that the UHMWPE molecular chains taken part in the crystallisation of the blends. Reducing of the diameter of the undissolved UHMWPE particles in LM manified that the dispersion of UHMWPE in the blends obviously improved. Therefore two-step processing way could improve the dissolved degree and contribute to form the cocrystallisation. 14 Refs. --- --- Source: https://polymerjournals.com/evaluation-of-a-smart-polymer-nanosphere-for-potential-use-in-anticancer-drug-delivery/ # Evaluation of a smart polymer nanosphere for potential use in anticancer drug delivery > Title: Evaluation of a smart polymer nanosphere for potential use in anticancer drug delivery Page Range: p.753-762 Author(s): Rubini Vimalarasa; Foot P J S; Gianpiero Calabrese File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/evaluation-of-a-smart-polymer-nanosphere-for-potential-use-in-anticancer-drug-delivery/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Evaluation of a smart polymer nanosphere for potential use in anticancer drug delivery** Page Range: p.753-762 Author(s): Rubini Vimalarasa; Foot P J S; Gianpiero Calabrese File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102324&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** Polypyrrole-chitosan (ppy-chit) hollow nanospheres have been synthesised using a simple route wherein dispersion polymerisation of pyrrole was followed by treatment with aqueous ammonia, centrifugation and dialysis. Ppy-chit hollow nanospheres were characterised by techniques including transmission electron microscopy, atomic force microscopy, powder x-ray diffractometry and UV-visible spectrophotometry. The particle size and stability were assessed by using a Zetasizer. A model anticancer drug, Nile blue chloride, was loaded into the ppy-chit hollow nanospheres by adsorption, and the desorption profile showed that 88% of the dye was released at a typical physiological pH over a period of 5 hours. The combined molecular properties of chitosan and polypyrrole were beneficial to the drug delivery. 20 Refs. --- --- Source: https://polymerjournals.com/effect-of-weathering-on-the-properties-of-wood-polypropylene-composites-containing-minerals/ # Effect of weathering on the properties of wood-polypropylene composites containing minerals > Title: Effect of weathering on the properties of wood-polypropylene composites containing minerals Page Range: p.763-770 Author(s): Svetlana Butylina; Timo Karki File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue... Canonical URL: https://polymerjournals.com/effect-of-weathering-on-the-properties-of-wood-polypropylene-composites-containing-minerals/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of weathering on the properties of wood-polypropylene composites containing minerals** Page Range: p.763-770 Author(s): Svetlana Butylina; Timo Karki File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102325&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** The effect of UV-exposure on the properties of wood-polypropylene composites containing mineral fillers weathered in natural and accelerated conditions was studied. The changes in the colour of the composites after weathering were evaluated by spectrophotometry, and the changes of Charpy impact strength were measured with an impact tester. The outdoor weathering compared to accelerated weathering resulted in a greater colour change of the reference composite and composites containing calcium carbonate and wollastonite. The talc-containing composite, having low susceptibility to moisture, showed a greater colour change in the accelerated weathering test. The accelerated weathering resulted in severe degradation of the polymeric surface layer of the composites. The impact strength of a weathered composite depends on the type of weathering and the properties of the filler. 21 Refs. --- --- Source: https://polymerjournals.com/preparation-of-core-shell-composite-particles-containing-a-dye-powder-by-a-droplet-coalescence-method/ # Preparation of core-shell composite particles containing a dye powder by a droplet coalescence method > Title: Preparation of core-shell composite particles containing a dye powder by a droplet coalescence method Page Range: p.771-778 Author(s): Yoshinari Taguchi; Yu Isono; Kiyomi Fuchigami; Isao Kimura; Masato Tanaka File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/preparation-of-core-shell-composite-particles-containing-a-dye-powder-by-a-droplet-coalescence-method/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation of core-shell composite particles containing a dye powder by a droplet coalescence method** Page Range: p.771-778 Author(s): Yoshinari Taguchi; Yu Isono; Kiyomi Fuchigami; Isao Kimura; Masato Tanaka File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102326&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** It was attempted to prepare core-shell composite particles containing a hydrophilic dye powder by a droplet coalescence method using liquid-liquid dispersion. Core particles composed of dye powder and oleic acid have been forced to coalesce with styrene monomer droplets, and then suspension polymerisation has been performed to form the polystyrene shell. In the experiment, the number and diameter of styrene monomer droplets were mainly changed stepwise to promote coalescence between the core particles and the monomer droplets and to control the shell thickness. It was found that the core shell composite particles could be prepared by increasing the monomer droplet number at the constant impeller speed, because the coalescence frequency between the monomer droplets and the core particles increased with the monomer droplet number at the constant impeller speed. Moreover, the diameter and shell thickness of the core shell composite particles increased with the diameter of monomer droplets. 8 Refs. --- --- Source: https://polymerjournals.com/polyvinyl-alcohol-pullulan-blend-nanofibres-prepared-from-aqueous-solutions-using-electrospinning-method/ # Poly(vinyl alcohol)/pullulan blend nanofibres prepared from aqueous solutions using electrospinning method > Title: Poly(vinyl alcohol)/pullulan blend nanofibres prepared from aqueous solutions using electrospinning method Page Range: p.779-786 Author(s): Shahidul Islam; Mohammad Mahbub Rabbani; Seong Baek Yang; Woo Seok Choi; Jin Hyun Choi; Weontae Oh; Jae Cheon Shin; Jin Tae Lee; Jeong Hyun Yeum File... Canonical URL: https://polymerjournals.com/polyvinyl-alcohol-pullulan-blend-nanofibres-prepared-from-aqueous-solutions-using-electrospinning-method/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Poly(vinyl alcohol)/pullulan blend nanofibres prepared from aqueous solutions using electrospinning method** Page Range: p.779-786 Author(s): Shahidul Islam; Mohammad Mahbub Rabbani; Seong Baek Yang; Woo Seok Choi; Jin Hyun Choi; Weontae Oh; Jae Cheon Shin; Jin Tae Lee; Jeong Hyun Yeum File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102327&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** Poly(vinyl alcohol) (PVA)/pullulan (PULL) blend nanofibres were prepared from their aqueous solutions by electrospinning method. Polymer solutions with different concentrations and blend ratios were used to investigate the effect of polymer concentrations and blend ratios on the morphologies and properties of PVA/PULL nanofibres. At a fixed blend ratio, the total polymer concentrations were also adjusted to find suitable electrospinning condition for preparing uniform and bead-free nanofibres. The as-prepared nanofibres were characterised by scanning electron microscopy (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy. Their mechanical properties were also studied by measuring their tensile strength. The results showed that polymer concentrations and blend ratios have direct influence on the morphologies and properties of PVA/PULL nanofibres. 12 wt.% total polymer concentration and higher PVA contents have been found to be favourable for obtaining uniform and bead free PVA/PULL blend nanofibres with improved mechanical and thermal properties. 36 Refs. --- --- Source: https://polymerjournals.com/polypropylene-fibre-reinforced-polymer-concrete-effect-of-gamma-irradiation/ # Polypropylene fibre reinforced polymer concrete: effect of gamma irradiation > Title: Polypropylene fibre reinforced polymer concrete: effect of gamma irradiation Page Range: p.787-792 Author(s): Martinez-Barrera G; Martinez-Hernandez A L; Velasco-Santos C; Martinez-Lopez M; Ortiz-Espinoza J; Laredo dos Reis J M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/polypropylene-fibre-reinforced-polymer-concrete-effect-of-gamma-irradiation/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Polypropylene fibre reinforced polymer concrete: effect of gamma irradiation** Page Range: p.787-792 Author(s): Martinez-Barrera G; Martinez-Hernandez A L; Velasco-Santos C; Martinez-Lopez M; Ortiz-Espinoza J; Laredo dos Reis J M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102328&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** Design of polymer concrete involves extensive studies on their materials in order to get improved properties; specifically on the physicochemical properties of both polymer resin and mineral aggregates, including size and shape of the last one. Alternative studies are focusing on using different materials or methods to obtain such improvements. In this work, polymer concrete was elaborated with unsaturated polyester resin, marble particles and polypropylene fibres, after it was modified by using gamma radiation to achieve a complete polymerisation. The results show improvements in the compressive strength and in the modulus of elasticity with 0.2 vol.% of polypropylene fibres and irradiation at a dose of 250 KGy. However, lower compressive strains were obtained when using gamma radiation. 22 Refs. --- --- Source: https://polymerjournals.com/isothermal-decomposition-kinetic-analysis-of-polymethylphenylsilsesquioxane-epoxy-resin-systems/ # Isothermal decomposition kinetic analysis of polymethylphenylsilsesquioxane/epoxy resin systems > Title: Isothermal decomposition kinetic analysis of polymethylphenylsilsesquioxane/epoxy resin systems Page Range: p.793-798 Author(s): Jiangbo Wang; Yongyou Li; Yi Jin; Zhiqiang Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22... Canonical URL: https://polymerjournals.com/isothermal-decomposition-kinetic-analysis-of-polymethylphenylsilsesquioxane-epoxy-resin-systems/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Isothermal decomposition kinetic analysis of polymethylphenylsilsesquioxane/epoxy resin systems** Page Range: p.793-798 Author(s): Jiangbo Wang; Yongyou Li; Yi Jin; Zhiqiang Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102329&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** The decomposition kinetics of polymethylphenylsilsesquioxane/epoxy resin (PMPSQ/EP) systems under isothermal conditions was investigated by thermogravimetric analysis (TGA), and the isothermal kinetics equation was used to describe the thermal decomposition process. The results showed that the activation energy in the case of isothermal decomposition was first raised and then quickly decreased with increasing degree of conversion, both for EP and PMPSQ/EP (FREP) systems. Moreover, the activation energy of FREP in any degree of conversion was lower than that of pure EP. It was caused by the addition of PMPSQ, which accelerated thermal decomposition and promoted the formation of an insulating carbon layer. Thus, the flame-retardant performance of EP system containing PMPSQ was improved. 17 Refs. --- --- Source: https://polymerjournals.com/enhanced-application-properties-of-epdm-montmorillonite-composites/ # Enhanced application properties of EPDM/montmorillonite composites > Title: Enhanced application properties of EPDM/montmorillonite composites Page Range: p.799-808 Author(s): Zhao Yi; Wang Jincheng; Du Youcheng; Pan Chen; Zhao Wen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22... Canonical URL: https://polymerjournals.com/enhanced-application-properties-of-epdm-montmorillonite-composites/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Enhanced application properties of EPDM/montmorillonite composites** Page Range: p.799-808 Author(s): Zhao Yi; Wang Jincheng; Du Youcheng; Pan Chen; Zhao Wen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102330&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** The aim of this work was to study the effect of montmorillonite (MMT) on the flame-retardant and mechanical properties of ethylene-propylene-diene monomer (EPDM). EPDM/MMT composites were prepared by conventional compounding of EPDM matrix with MMT. The cure characteristics, tensile properties, wear resistance, thermal stabilities, and flame-retardancy were researched and compared. Optimal dispersion of this clay was observed for 10 phr of MMT filled composite, which resulted in the best mechanical performance with an increase of 85% in tensile strength, 300% in elongation at break, and 50% decrease in abrasion loss, 35 s for the prolonged vertical burning time, and the improved thermal stability, compared to that of the pure matrix. A mechanism for reinforcing and flame-retardancy was proposed. The 'anchor' effect caused by the MMT may have reduced the number and size of voids in the EPDM matrix, and thus increased the crack path during tensile drawing. Meanwhile, the flame-retardant effect of MMT could increase the amount of carbonaceous layers, and thus inhibited the pyrolysis degree of EPDM matrix during burning. 27 Refs. --- --- Source: https://polymerjournals.com/removal-of-methyl-violet-and-cationic-gold-yellow-from-aqueous-with-porous-magnetic-polymer-microspheres-and-its-adsorption-kinetics/ # Removal of methyl violet and cationic gold yellow from aqueous with porous magnetic polymer microspheres and its adsorption kinetics > Title: Removal of methyl violet and cationic gold yellow from aqueous with porous magnetic polymer microspheres and its adsorption kinetics Page Range: p.809-816 Author(s): Kai Liang; Qingquan Liu; Yue Ding File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/removal-of-methyl-violet-and-cationic-gold-yellow-from-aqueous-with-porous-magnetic-polymer-microspheres-and-its-adsorption-kinetics/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Removal of methyl violet and cationic gold yellow from aqueous with porous magnetic polymer microspheres and its adsorption kinetics** Page Range: p.809-816 Author(s): Kai Liang; Qingquan Liu; Yue Ding File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102331&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** Porous magnetic polymer microspheres (PMPMs) were used as an adsorbent to removal of methyl violet (MV) from wastewater. Ethanol/water co-solvent mixtures in combination with various inorganic salts were used as eluents to regenerate PMPMs. The desorption capacity of the eluents were systematically investigated. The results showed that when ethanol/water co-solvents were used as the eluent, the desorption efficiency increased with the ethanol concentration. Incorporation of inorganic salts into the co-solvents greatly improved the desorption efficiency of the eluents. Among the eluents, a mixture of ethanol/water (8/2, v/v) in combination with 0.1M KCl exhibited excellent ability for recovering cationic dyes and regenerating PMPMs, which was again demonstrated during treatment of wastewater containing cationic golden yellow. Furthermore, the adsorption kinetics of methyl violet by PMPMs was also studied. It was found that the adsorption capacity depended on the initial concentration of dyes, and the pseudo-second-order model was more suitable to describe adsorption kinetics of methyl violet than the pseudo-first-order model. 26 Refs. --- --- Source: https://polymerjournals.com/prediction-of-elastic-constants-on-3d-four-directional-braided-composites/ # Prediction of elastic constants on 3D four-directional braided composites > Title: Prediction of elastic constants on 3D four-directional braided composites Page Range: p.817-824 Author(s): Liang Dao Zhou; Zhuo Zhuang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No:... Canonical URL: https://polymerjournals.com/prediction-of-elastic-constants-on-3d-four-directional-braided-composites/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Prediction of elastic constants on 3D four-directional braided composites** Page Range: p.817-824 Author(s): Liang Dao Zhou; Zhuo Zhuang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102332&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** In this paper, a finite element model with a prestressed unit cell is proposed to predict the elastic constants of 3D four-directional braided composites. Firstly, a finite element unit cell model with damage constitutive for 3D four-directional braided composites is established to investigate the influence of the prestresses in the unit cell. Secondly, the elastic constants of 3D four-directional braided composites are predicted with and without the prestresses in the unit cell. Finally, the influences of the braided direction and fibre content on the elastic constants of 3D four-directional braided composites are discussed. The results will provide an important guidance for designing and evaluating the mechanical properties of 3D four-directional braided composites. 12 Refs. --- --- Source: https://polymerjournals.com/effects-of-preheating-temperature-of-the-mould-on-the-properties-of-rapid-curing-carbon-fibre-composites-fabricated-by-vacuum-assisted-resin-infusion-moulding/ # Effects of preheating temperature of the mould on the properties of rapid-curing carbon fibre composites fabricated by vacuum-assisted resin infusion moulding > Title: Effects of preheating temperature of the mould on the properties of rapid-curing carbon fibre composites fabricated by vacuum-assisted resin infusion moulding Page Range: p.825-836 Author(s): Kaomin Zhang; Yizhuo Gu; Shaokai Wang; Mi Li; Zuoguang Zhang File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/effects-of-preheating-temperature-of-the-mould-on-the-properties-of-rapid-curing-carbon-fibre-composites-fabricated-by-vacuum-assisted-resin-infusion-moulding/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effects of preheating temperature of the mould on the properties of rapid-curing carbon fibre composites fabricated by vacuum-assisted resin infusion moulding** Page Range: p.825-836 Author(s): Kaomin Zhang; Yizhuo Gu; Shaokai Wang; Mi Li; Zuoguang Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102333&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** Shortening the curing time is critical to improve the processing efficiency of composites. In this paper, unidirectional carbon fibre-reinforced rapid curing epoxy composite laminates were fabricated by vacuum assisted resin injection moulding (VARIM). Different rapid curing processes (namely P80, P85, and P90) were employed, which preheating temperatures were 80, 85 and 90 deg C, respectively. Different preheating temperatures of mould and fibre preform were conducted, to demonstrate the effects on the properties and processing time of the composites. In addition, a slow curing process (N80) was investigated to verify the effect of rapid curing on the mechanical properties of the composites. The relationships among preheating temperature, curing cycle and properties of the composites were analysed. The results showed that the preheating temperature had obvious effects on the total cycle time and properties of the composites. The cycle time of the P80 process was 947 s, whereas that of the P90 process was 702 s. However, nonuniformity of the mechanical properties along the resin flow direction was more obvious for the P90 process, and more voids formed in the resin outlet region. Composites fabricated by the P80 process showed comparable mechanical properties and processing quality to those from the N80 process. It is suggested that a rapid curing process with proper preheating temperature is acceptable to improve the processing efficiency. 24 Refs. --- --- Source: https://polymerjournals.com/effect-of-ammonium-polyphosphate-modified-with-3-methylacryloxyl-propyltrimethoxy-silane-on-the-flammability-and-thermal-degradation-of-pine-needles/ # Effect of ammonium polyphosphate modified with 3-(methylacryloxyl) propyltrimethoxy silane on the flammability and thermal degradation of pine-needles > Title: Effect of ammonium polyphosphate modified with 3-(methylacryloxyl) propyltrimethoxy silane on the flammability and thermal degradation of pine-needles Page Range: p.837-842 Author(s): Liping Li; Hongdan Hu; Haiqing Hu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/effect-of-ammonium-polyphosphate-modified-with-3-methylacryloxyl-propyltrimethoxy-silane-on-the-flammability-and-thermal-degradation-of-pine-needles/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Effect of ammonium polyphosphate modified with 3-(methylacryloxyl) propyltrimethoxy silane on the flammability and thermal degradation of pine-needles** Page Range: p.837-842 Author(s): Liping Li; Hongdan Hu; Haiqing Hu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102334&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** This paper investigated the influence of ammonium polyphosphate (APP) and ammonium polyphosphate modified with 3-(methylacryloxyl) propyltrimethoxy silane (M-APP) on flame retardancy and thermal degradation of pine needles. The presence of M-APP increased the char residue and decreased the pyrolysis temperature of pine needles observed by TGA. The addition of M-APP shifted the degradation peaks of pine needles to lower temperatures observed by DTG. The cone calorimetry test results showed that the situation of HRR, THR, SPR, TSP and the mass loss (%) on pine needles treated with M-APP was sharply less than the other samples. On the other hand, M-APP prolonged the ignition time (TTI) compared with the other samples. Therefore, M-APP has an overall better performance than APP on pine needles. 29 Refs. --- --- Source: https://polymerjournals.com/manufacturing-of-transparent-composites-using-vacuum-infusion-process/ # Manufacturing of transparent composites using vacuum infusion process > Title: Manufacturing of transparent composites using vacuum infusion process Page Range: p.843-850 Author(s): Menta V G K; Vuppalapati R R; Chandrashekhara K; Schuman T File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/manufacturing-of-transparent-composites-using-vacuum-infusion-process/ Published: 2014-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Manufacturing of transparent composites using vacuum infusion process** Page Range: p.843-850 Author(s): Menta V G K; Vuppalapati R R; Chandrashekhara K; Schuman T File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-9&JournalID=102335&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.9 **Abstract** A novel optically-transparent glass fibre reinforced polymer matrix composite has been developed by infusing a clear epoxy resin system of matching refractive index into a conventional E-glass fabric preform. Transparent composites are manufactured using a low cost, environmentally friendly vacuum infusion process. Physical and mechanical tests have been conducted. Transparent composites manufactured using the modified vacuum infusion process had a fibre volume fraction of 40%. Tensile strength and tensile modulus of these composites were 374.9 MPa and 31.74 GPa respectively. The results indicate that the transparent composites possess good physical and mechanical properties. These transparent composites form a good base for developing new generation transparent armour systems. 23 Refs. --- --- Source: https://polymerjournals.com/experimental-and-theoretical-study-on-the-seismic-performance-of-corroded-rc-circular-columns-strengthened-with-hybrid-fiber-reinforced-polymers/ # Experimental and theoretical study on the seismic performance of corroded RC circular columns strengthened with hybrid fiber reinforced polymers > Title: Experimental and theoretical study on the seismic performance of corroded RC circular columns strengthened with hybrid fiber reinforced polymers Page Range: p.653-660 Author(s): Jianhui Li; Ying Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/experimental-and-theoretical-study-on-the-seismic-performance-of-corroded-rc-circular-columns-strengthened-with-hybrid-fiber-reinforced-polymers/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Experimental and theoretical study on the seismic performance of corroded RC circular columns strengthened with hybrid fiber reinforced polymers** Page Range: p.653-660 Author(s): Jianhui Li; Ying Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102275&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Corroded RC columns do not possess necessary ductility to dissipate seismic energy during a major earthquake, the study investigates the use of hybrid fibre reinforced polymer (HFRP) wrapping as a method of retrofitting non-ductile corroded RC columns, the seismic performance of corroded RC circular columns strengthened with HFRP are tested under cyclic load and constant axial, and a model to determine the envelope response of RC corroded columns strengthened with HFRP are presented based on cross-section analysis for undamaged RC element. Results show that the rebar corrosion may introduce the reduction of seismic performance for RC columns in some extent, and the technique of strengthening corroded RC column with HFRP is quite effective, ductility and energy dissipation are improved significantly, but the bearing capacity can be only increased within limits. The envelope curve estimated using the linear plane assumption with modification by rebar slip model, may still be used as the envelope curve of RC corroded columns strengthened with HFRP, a good agreement between analytical and experimental results is observed. 10 Refs. --- --- Source: https://polymerjournals.com/energy-release-rate-of-interface-crack-in-rc-beams-strengthened-with-fiber-reinforced-polymer-under-four-point-bending/ # Energy release rate of interface crack in RC beams strengthened with fiber reinforced polymer under four point bending > Title: Energy release rate of interface crack in RC beams strengthened with fiber reinforced polymer under four point bending Page Range: p.661-668 Author(s): Xie Jian-he; Huang Kun-hong; Guo Yong-chang; Li Zi-jian; Cui Ming-yu File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/energy-release-rate-of-interface-crack-in-rc-beams-strengthened-with-fiber-reinforced-polymer-under-four-point-bending/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Energy release rate of interface crack in RC beams strengthened with fiber reinforced polymer under four point bending** Page Range: p.661-668 Author(s): Xie Jian-he; Huang Kun-hong; Guo Yong-chang; Li Zi-jian; Cui Ming-yu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102276&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** A popular method for strengthening reinforced concrete (RC) beams is to bond fibre reinforced polymer (FRP) plates to the soffit. An important failure mode for such retrofitted members is debonding of the FRP plates from the member due to high interfacial stresses near the intermediate crack. Accurate prediction of the energy release rate of interface crack between FRP and concrete is a prerequisite for designing against debonding failure. In this paper, a theoretical analysis was conducted to investigate the energy release rate of interface crack embedded in the FRP-plated RC beam subjected to four point bending. A mechanical analysis model including the consideration of the major flexural crack and tension steel reinforcement was established for the interface crack tip of plated RC beam. The deflection of the FRP-plated RC beam and the axial force in the plates were analyzed on the basis of the classical beam theory. The compliance of plated RC beam was derived before the tension steel yielding, and a theoretical solution of the energy release rate was then proposed. Moreover, numerical results based on the proposed theoretical model were presented to illustrate the effects of various parameters on the energy release rate of interface crack in the plated RC beam. 15 Refs. --- --- Source: https://polymerjournals.com/impact-of-dmdheu-resin-treatment-on-the-mechanical-properties-of-poplar/ # Impact of DMDHEU resin treatment on the mechanical properties of poplar > Title: Impact of DMDHEU resin treatment on the mechanical properties of poplar Page Range: p.669-674 Author(s): Tao Jiang; Hua Gao; Jianping Sun; Yanjun Xie; Xiurong Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/impact-of-dmdheu-resin-treatment-on-the-mechanical-properties-of-poplar/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Impact of DMDHEU resin treatment on the mechanical properties of poplar** Page Range: p.669-674 Author(s): Tao Jiang; Hua Gao; Jianping Sun; Yanjun Xie; Xiurong Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102277&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** To increase the utilisation and the value of poplar, various concentrations of dimethylol dihydroxy ethylene urea (DMDHEU) were used to impregnate poplar, an important tree species from the north of China. The resin was fixed on the timber under certain conditions, after which the weight percent gain (WPG), flexural modulus (MOR), modulus of elasticity (MOE), impact strength, hardness and compressive strength of the poplar impregnated were tested and evaluated. The results showed that WPG of poplar is positively associated with the concentrations of DMDHEU after the resin treatment; when the WPG of poplar was 62.1% and the concentration of resin was 30%, the concentration of resin shows positive correlation with MOE, the hardness of each section, the compression strength perpendicular to grain, and the compressive strength parallel to the grain, but demonstrates negative correlation with MOR and impact strength. 12 Refs. --- --- Source: https://polymerjournals.com/preparation-of-nanocrystalline-cellulose-from-corncob-acid-hydrolysis-residue-and-its-reinforcement-capabilities-on-polyvinyl-alcohol-membranes/ # Preparation of nanocrystalline cellulose from corncob acid-hydrolysis residue and its reinforcement capabilities on polyvinyl alcohol membranes > Title: Preparation of nanocrystalline cellulose from corncob acid-hydrolysis residue and its reinforcement capabilities on polyvinyl alcohol membranes Page Range: p.675-682 Author(s): Meiling Yan; Shujun Li; Feng Dong; Shiyan Han; Jian Li; Lei Xing File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/preparation-of-nanocrystalline-cellulose-from-corncob-acid-hydrolysis-residue-and-its-reinforcement-capabilities-on-polyvinyl-alcohol-membranes/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Preparation of nanocrystalline cellulose from corncob acid-hydrolysis residue and its reinforcement capabilities on polyvinyl alcohol membranes** Page Range: p.675-682 Author(s): Meiling Yan; Shujun Li; Feng Dong; Shiyan Han; Jian Li; Lei Xing File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102278&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** The sodium chlorite process was utilized successfully to remove the lignin from corncob acid-hydrolysis residue (CAHR), and the intermediate was used to prepare nanocrystalline cellulose (NCC) with a very mild ultrasonic treatment (600W). When the duration of the ultrasonic treatment increased, the absolute value of the zeta potential became stronger and the particle size smaller. When the duration reached 30 minutes, the zeta potential of the NCC reached -23mV, and the particle size was 28.7 nm. The FTIR, XRD, and TEM analysis results proved that the cellulose product was nanocrystalline in Type I structure with a high crystallinity index (79.74%), with a diameter less than 10 nm. The reinforcement of polyvinyl alcohol (PVA) membranes using NCC was also investigated. When the dosage of the NCC was 1.0 wt.%, the tensile strength increased from 34 MPa to 37 MPa. This work provides a novel and cost-effective way to utilize corncob acid-hydrolysis residue. 25 Refs. --- --- Source: https://polymerjournals.com/molecular-characteristics-analysis-of-wood-extractives-from-pinus-massoniana-trees/ # Molecular characteristics analysis of wood extractives from pinus massoniana trees > Title: Molecular characteristics analysis of wood extractives from pinus massoniana trees Page Range: p.683-686 Author(s): Zhong-feng Zhang; Kai Huang; Yong-jun Ye; Jun-you Shi; Xu Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/molecular-characteristics-analysis-of-wood-extractives-from-pinus-massoniana-trees/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Molecular characteristics analysis of wood extractives from pinus massoniana trees** Page Range: p.683-686 Author(s): Zhong-feng Zhang; Kai Huang; Yong-jun Ye; Jun-you Shi; Xu Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102279&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Pinus massoniana is a fast growing tree widely grown in China that is, unfortunately, difficult to process and develop due to the extractive substances. The molecular characteristics of the wood extractives from Pinus massoniana were removed by a method of petroleum ether/Benzene extraction and analyzed by gas chromatography-mass spectrometry (GC-MS) in order to provide scientific guidance for improving the processing and utilisation of this plant. Twenty-eight chemical components were discovered, including: 1,2-Benzenedicarboxylic acid, butyl octyl ester (62.69%), 1,5-Hexadien-3-yne (6.00%), Squalene (3.31%), 9,12-Octadecadienoic acid (Z,Z)- (1.29%), Heptadecane (1.14%) and Eicosane (1.01%). The analysis of the GC-MS results show that the main retention time of the wood extractives is 20-30 minutes with a total content percentage of 80.18%, and the richest components are esters, which compose 80.01%. 13 Refs. --- --- Source: https://polymerjournals.com/research-on-pretreatment-technology-for-corn-husk-degumming/ # Research on pretreatment technology for corn husk degumming > Title: Research on pretreatment technology for corn husk degumming Page Range: p.687-692 Author(s): Rong Zhou; Mingxia Yang; Haixia Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No:... Canonical URL: https://polymerjournals.com/research-on-pretreatment-technology-for-corn-husk-degumming/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Research on pretreatment technology for corn husk degumming** Page Range: p.687-692 Author(s): Rong Zhou; Mingxia Yang; Haixia Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102280&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** In this study, chemical degumming was applied to corn husks, and the optimal degumming procedure and pretreatment method were determined. Through orthogonal experiments, it was determined the optimal pretreatment parameters are: H2O2 concentration of 8 g/L, urea concentration of 8 g/L, pretreatment temperature of 20 deg C and pretreatment time of 30 min. The effectiveness of this combination of parameters was validated by its resultant glial removal rate of 85.32%. 17 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-polymer-rubber-materials-based-on-a-new-constitutive-model/ # Mechanical properties of polymer rubber materials based on a new constitutive model > Title: Mechanical properties of polymer rubber materials based on a new constitutive model Page Range: p.693-698 Author(s): Sang J B; Sun L F; Xing S F; Liu B H; Sun Y L File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/mechanical-properties-of-polymer-rubber-materials-based-on-a-new-constitutive-model/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Mechanical properties of polymer rubber materials based on a new constitutive model** Page Range: p.693-698 Author(s): Sang J B; Sun L F; Xing S F; Liu B H; Sun Y L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102281&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** A new constitutive model, which is a modification from Gao's second constitutive model, has been introduced by using the finite deformation theory. The new model fulfils the condition that strain energy becomes zero under no deformation. For incompressible polymer rubber materials, when n=1 and ==0, the new constitutive relation may be simplified to the Mooney-Rivlin model; when n=1 and ==1, the new constitutive relation may be simplified to the Neo-Hookean model. The discussions of basic finite deformation examples illustrate how the new constitutive model reasonably describes the deformation properties of polymer rubber materials, and how the applied range of polymer rubber materials have been broadened by using the new constitutive model. 15 Refs. --- --- Source: https://polymerjournals.com/fabrication-and-characterization-of-tio2-organic-thin-film-from-an-aqueous-solution/ # Fabrication and characterization of TiO2-organic thin film from an aqueous solution > Title: Fabrication and characterization of TiO2-organic thin film from an aqueous solution Page Range: p.699-704 Author(s): Mu W N; Shi S Z File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/fabrication-and-characterization-of-tio2-organic-thin-film-from-an-aqueous-solution/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Fabrication and characterization of TiO2-organic thin film from an aqueous solution** Page Range: p.699-704 Author(s): Mu W N; Shi S Z File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102282&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** TiO2-organic thin films were fabricated on SAMs-coated silicon substrate based on layer-by-layer self-assembly process and chemical bath deposition method by a hydrolysis of TiCl4 in acid aqueous solution. The influences of deposition time and solution pH value on structural properties and the thickness of TiO2 films were investigated. The results of UV-vis spectrum show the absorbance of aqueous solutions at 410 nm decreases gradually with increasing deposition time and solution pH value. The thickness of TiO2-organic thin film elevates as increasing deposition time and pH value. The deposition time has significant influence on the surface morphology of films, and when the time is 2 h, a continuous, density and homogeneous film is gained from SEM micrographs. The deposited films consisting of TiO2 nanoparticles are believed to be fully amorphous layers from the results of XRD. The major chemical compositions of thin films are titanium and oxygen as presented in EDS results, and O/Ti atomic ratio is close to the corresponding ratio of 2:1 for stoichiometric TiO2. The transmission infrared spectrum and UV/Vis spectrum of TiO2 film indicate excellent structure and optical properties of films. 28 Refs. --- --- Source: https://polymerjournals.com/miscibility-and-isothermal-crystallization-behavior-of-poly-l-lactideco-glycolide-polyrho-dioxanone-blends/ # Miscibility and isothermal crystallization behavior of poly-(l-lactideco-glycolide)/ poly(rho-dioxanone) blends > Title: Miscibility and isothermal crystallization behavior of poly-(l-lactideco-glycolide)/ poly(rho-dioxanone) blends Page Range: p.705-712 Author(s): Xiaojin Zhang; Chi Ma; Wei Bai; Chengdong Xiong; Dongliang Chen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/miscibility-and-isothermal-crystallization-behavior-of-poly-l-lactideco-glycolide-polyrho-dioxanone-blends/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Miscibility and isothermal crystallization behavior of poly-(l-lactideco-glycolide)/ poly(rho-dioxanone) blends** Page Range: p.705-712 Author(s): Xiaojin Zhang; Chi Ma; Wei Bai; Chengdong Xiong; Dongliang Chen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102283&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** We prepared a series of blends from solution co-precipitation of poly-(L-lactide-co-glycolide) (PLGA) and poly (p-dioxanone) (PPDO) at various mass ratios. Using a scanning electron microscopy (SEM), PLGA and PPDO were revealed to be immiscible. The crystallisation behaviour of PLGA/PPDO blends was investigated by differential scanning calorimetry (DSC) under isothermal conditions. Through comparing the crystallisation exothermic peak location and the PLGA/PPDO blends' shape, the crystallisation rate was determined to slow as the temperature increased. We applied the Avrami equation to analyze the primary stage of the isothermal crystallisation and obtained relevant crystallisation kinetic parameters. The data revealed that the PPDO component acted as nucleation sites in blends and accelerated the PLGA crystallisation rate by increasing the crystallisation rate constant k and decreasing the half-crystallization time (t1/2). The Arrhenius equation was used to analyze the crystallization's activation energy. Our analysis confirmed that blending with PPDO accelerates PLGA crystallisation. Our micrograph imaging of the spherulites via a polarizing optical microscopy (POM) revealed that the PLGA/PPDO blends' crystals were smaller in size but greater in number than that of pure PLGA. This finding indicated that PPDO is a good nucleation agent for PLGA. All these results suggest that it is possible to control the PLGA crystallisation rate by adding a PPDO component. 36 Refs. --- --- Source: https://polymerjournals.com/parametric-study-on-heat-transfer-for-tow-placement-process-of-thermoplastic-composite/ # Parametric study on heat transfer for tow placement process of thermoplastic composite > Title: Parametric study on heat transfer for tow placement process of thermoplastic composite Page Range: p.713-722 Author(s): Zhenyu Han; Zhongliang Cao; Zhongxi Shao; Hongya Fu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/parametric-study-on-heat-transfer-for-tow-placement-process-of-thermoplastic-composite/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Parametric study on heat transfer for tow placement process of thermoplastic composite** Page Range: p.713-722 Author(s): Zhenyu Han; Zhongliang Cao; Zhongxi Shao; Hongya Fu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102284&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Fibre placement process of thermoplastic material is an in situ consolidation process which can significantly reduce consolidation process time and save costs compared with autoclave consolidation. The heat and crystallisation behaviours play very critical role in the quality control during the process. In this work, two dimensional model of finite element is presented to perform heat transfer analysis of fibre placement process. The relationship between heat distribution of lamination and process parameters, including roller velocity, main heating temperature, preheating temperature, preheating length and preheating location, is deeply investigated. The numerical results show that for certain heating temperature there is a safe roller velocity which should not be exceeded, and such parameters as main heating length, preheating length and preheating location could be optimized to obtain better quality of product. 11 Refs. --- --- Source: https://polymerjournals.com/characterization-of-peo-x-ionic-conductive-polymer-for-anodic-bonding/ # Characterization of PEO-X ionic conductive polymer for anodic bonding > Title: Characterization of PEO-X ionic conductive polymer for anodic bonding Page Range: p.723-728 Author(s): Xu Yin; Cuirong Liu; Yue Nan; Qingsen Meng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/characterization-of-peo-x-ionic-conductive-polymer-for-anodic-bonding/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Characterization of PEO-X ionic conductive polymer for anodic bonding** Page Range: p.723-728 Author(s): Xu Yin; Cuirong Liu; Yue Nan; Qingsen Meng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102285&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Anodic bonding is a common technology in MEMS packaging. However, only the bonding between glass and metal or semiconductor can be implemented at present. In this work, a new type of composite, solid polymer electrolyte (taking PEO as the matrix with a small amount of nano-sized inorganic filler), was prepared as a new anodic bonding material. We studied the interaction and conduction mechanism between PEO and the inorganic filler through DSC and XRD analyses, and also discussed the application feasibility of the solid polymer electrolyte being packaging material in anodic bonding. The results showed that adding inorganic filler can reduce the interface resistance of the macromolecule solid electrolyte, and control the diffusion of alkali metal ions in the solid lithium molecule electrolyte when under a strong electric field. The anodic bonding technique may promote the application of this new macromolecule material in MEMS. 13 Refs. --- --- Source: https://polymerjournals.com/photo-anodic-polymerization-of-pyrrole-on-nanoclustered-tio2-from-hydrothermal-one-step-on-pure-ti/ # Photo-anodic polymerization of pyrrole on nanoclustered TiO2 from hydrothermal one-step on pure Ti > Title: Photo-anodic polymerization of pyrrole on nanoclustered TiO2 from hydrothermal one-step on pure Ti Page Range: p.729-736 Author(s): Fu-fang Zhou; Delong Li; Weiping Li; Xilou Zhu; Ping Wang; Yuan Ming Huang; Chunxu Pan File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/photo-anodic-polymerization-of-pyrrole-on-nanoclustered-tio2-from-hydrothermal-one-step-on-pure-ti/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Photo-anodic polymerization of pyrrole on nanoclustered TiO2 from hydrothermal one-step on pure Ti** Page Range: p.729-736 Author(s): Fu-fang Zhou; Delong Li; Weiping Li; Xilou Zhu; Ping Wang; Yuan Ming Huang; Chunxu Pan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102286&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Nanoclustered TiO2 networks were synthesised hydrothermally one-step in 0.45 M tetramethylammonium hydroxide (TMAOH) aqueous solution directly on pure polished Ti substrate for 12-hour growth. Polypyrrole (PPy) nanofilm was subsequently electropolymerised with galvanostatic photo-anodisation on the nanostructured TiO2 sheet as the working electrode. Tafel polarisation curve was employed to determine galvanostatic condition. Investigations of SEM, cyclic voltametry, potential-time growing curves, photo-response currents, UV-vis spectroscopy and Fourier Transform Infra-red (FTIR) spectroscopy revealed that photo-anodic polymerized pyrrole film could thoroughly change properties of nanoclustered TiO2 electrode. The networks of nanoclustered TiO2 was covered with homogeneous PPy nanofilm, the cyclic voltammetry revealed two reduction peaks, suggesting a compact and a porous layer of PPy. Moreover, PPy could enhance the photo-response by over 100 times compared with that of bare TiO2 nanonetworks. Optical absorbance visualized the full spectral absorptive feature of PPy, and FTIR further confirmed the vibrations of chemical bonds from PPy. This demonstrated that PPy infiltration in TiO2 nanonetworks could be successfully achieved via photo-anodic polymerisation, and TiO2 nanonetworks/ photo-anodic polymerized PPy are promising in applications of polymer-inorganic solar cell. 28 Refs. --- --- Source: https://polymerjournals.com/strain-amplitude-and-strain-rate-dependent-craze-damage-of-polymethyl-methacrylate/ # Strain-amplitude and strain-rate dependent craze damage of poly(methyl methacrylate) > Title: Strain-amplitude and strain-rate dependent craze damage of poly(methyl methacrylate) Page Range: p.737-742 Author(s): Liu Xiu; Luo Wenbo; Yin Boyuan File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue... Canonical URL: https://polymerjournals.com/strain-amplitude-and-strain-rate-dependent-craze-damage-of-polymethyl-methacrylate/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Strain-amplitude and strain-rate dependent craze damage of poly(methyl methacrylate)** Page Range: p.737-742 Author(s): Liu Xiu; Luo Wenbo; Yin Boyuan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102287&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Dynamic mechanical analysis tests and quasi-static tensile tests were conducted on polymethyl methacrylate (PMMA). Craze damage images on PMMA samples' surface were acquired by using an optical microscope. Evolution of the crazing damage was investigated. The results suggest that crazing is loading rate and strain-amplitude dependent. In dynamic mechanical tests, the craze damage becomes more and more serious with the increase in strain amplitude, resulting in the Payne effect. Under quasi-static loading, there is a critical strain over which the surface crazes become visible; the greater the loading rate, the greater the critical strain. Moreover, stretching at different rates leads to difference to the morphology of crazes. The surface crazes stressed at lower loading rate are longer and more fully developed than those at higher loading rates, which results in a faster decline in static elastic modulus. 15 Refs. --- --- Source: https://polymerjournals.com/methodology-to-analyze-the-influence-of-microcellular-injection-molding-on-mechanical-properties-with-samples-obtained-directly-of-an-industrial-component/ # Methodology to analyze the influence of microcellular injection molding on mechanical properties with samples obtained directly of an industrial component > Title: Methodology to analyze the influence of microcellular injection molding on mechanical properties with samples obtained directly of an industrial component Page Range: p.743-752 Author(s): Elduque D; Claveria I; Fernandez A; Javierre C; Pina C; Santolaria J File size: Download the pdf... Canonical URL: https://polymerjournals.com/methodology-to-analyze-the-influence-of-microcellular-injection-molding-on-mechanical-properties-with-samples-obtained-directly-of-an-industrial-component/ Published: 2014-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: Methodology to analyze the influence of microcellular injection molding on mechanical properties with samples obtained directly of an industrial component** Page Range: p.743-752 Author(s): Elduque D; Claveria I; Fernandez A; Javierre C; Pina C; Santolaria J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-8&JournalID=102288&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.8 **Abstract** Microcellular injection moulding is a process that offers numerous benefits thanks to the internal structure generated, thus many applications are being arising in different fields, especially home appliance. In spite of it, when changing the manufacturing process of a component from conventional injection moulding to microcellular injection moulding, it is necessary to ensure the mechanical properties of the component. In this paper a study of the mechanical behaviour of samples obtained directly from a manufactured component both by conventional injection moulding and microcellular injection moulding is carried out. This kind of samples take into account the process conditions under the final component is processed and the influence of these conditions on the mechanical properties. For this purpose special devices have been developed taking into account the characteristics of the component and the samples obtained. An X-ray 3D computed tomography is also carried out to validate the internal structure of the microcellular injection moulded component. Tensile properties are reduced between 20-22% regarding flow direction when using microcellular injection moulding. Impact properties are reduced up to 27%. However, flexural properties reduction for samples processed by microcellular injection is only 6.8%, so microcellular injection moulding arises as a very suitable process for components working under this kind of load. Moulding and impact tests are carried out by using specially developed devices. 17 Refs. --- --- Source: https://polymerjournals.com/impact-of-single-and-multiple-injection-slot-locations-for-attached-die-and-detached-die-tapered-resin-injection-pultrusion/ # IMPACT OF SINGLE AND MULTIPLE INJECTION SLOT LOCATIONS FOR ATTACHED-DIE AND DETACHED-DIE TAPERED RESIN INJECTION PULTRUSION > Title: IMPACT OF SINGLE AND MULTIPLE INJECTION SLOT LOCATIONS FOR ATTACHED-DIE AND DETACHED-DIE TAPERED RESIN INJECTION PULTRUSION Page Range: p.495-508 Author(s): Ranjit S; Roux J A; Jeswani A L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/impact-of-single-and-multiple-injection-slot-locations-for-attached-die-and-detached-die-tapered-resin-injection-pultrusion/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPACT OF SINGLE AND MULTIPLE INJECTION SLOT LOCATIONS FOR ATTACHED-DIE AND DETACHED-DIE TAPERED RESIN INJECTION PULTRUSION** Page Range: p.495-508 Author(s): Ranjit S; Roux J A; Jeswani A L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102193&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** This study compares the performances of the detached-die with the attached-die resin injection chamber configurations for pultrusion manufacturing. The impact of geometric design parameters (axial location of single injection slot and axial location of multiple injection slots) on the performances and complete reinforcement wetout for both the attached-die and detached-die configurations are investigated for various chamber lengths and compression ratios. Feasible manufacturing solutions are determined from the results. 18 Refs. --- --- Source: https://polymerjournals.com/effect-of-silane-coupling-agent-on-physical-properties-of-polypropylene-membrane-reinforced-by-native-superfine-down-powder/ # EFFECT OF SILANE COUPLING AGENT ON PHYSICAL PROPERTIES OF POLYPROPYLENE MEMBRANE REINFORCED BY NATIVE SUPERFINE DOWN POWDER > Title: EFFECT OF SILANE COUPLING AGENT ON PHYSICAL PROPERTIES OF POLYPROPYLENE MEMBRANE REINFORCED BY NATIVE SUPERFINE DOWN POWDER Page Range: p.509-518 Author(s): Hongjun Yang; Xia Dong; Dujin Wang; Weilin Xu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-silane-coupling-agent-on-physical-properties-of-polypropylene-membrane-reinforced-by-native-superfine-down-powder/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SILANE COUPLING AGENT ON PHYSICAL PROPERTIES OF POLYPROPYLENE MEMBRANE REINFORCED BY NATIVE SUPERFINE DOWN POWDER** Page Range: p.509-518 Author(s): Hongjun Yang; Xia Dong; Dujin Wang; Weilin Xu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102194&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** In order to improve the compatibility between native superfine down powder (NSDP) and polypropylene (PP), NSPD was surface-modified by grafting with a silane coupling agent. After modification of NSDP, Fourier-Transform infrared spectrometry was used to investigate the chemical reaction between NSDP and silane coupling agent, and the spectroscopy indicated that silane coupling agent was successfully grafted onto the particle surface. Modified and unmodified NSDP was used to reinforce PP membrane by hot-press method, and the morphology, thermal properties, melt mass-flow rate and mechanical properties of PP/NSDP hybrid membrane was investigated. The melt mass-flow rate, tensile stress, and break elongation of the hybrid membranes initially increased and then decreased with the increase of silane coupling agent concentration, which significantly correlated with the silane coupling agent amount that adhered on the particle surface. Up to 3% silane coupling agent concentration was sufficient to cover the NSDP surface and improve the compatibility between PP and NSDP. With continuously increasing of silane coupling agent concentration, the melt mass-flow rate and mechanical properties decreased, which ascribed to the decreasing bonding strength of entanglement network between long-chain hydrocarbon segments on NSDP surface and PP matrix. PP/NSDP hybrid membrane with excellent thermal and mechanical properties can be obtained by controlling the silane coupling agent concentration. 31 Refs. --- --- Source: https://polymerjournals.com/effect-of-tio2-content-and-process-parameters-on-electrospun-polyacrylonitrile-tio2-nanofibres/ # EFFECT OF TIO2 CONTENT AND PROCESS PARAMETERS ON ELECTROSPUN POLY(ACRYLONITRILE)/TIO2 NANOFIBRES > Title: EFFECT OF TIO2 CONTENT AND PROCESS PARAMETERS ON ELECTROSPUN POLY(ACRYLONITRILE)/TIO2 NANOFIBRES Page Range: p.519-526 Author(s): Byung Chul Ji; Mohammad Mahbub Rabbani; Sang Su Bae; Jae Cheon Shin; Seong Baek Yang; Woo Seok Choi; Yang Soo Park; Kook Bae Do; Jeong Hyun... Canonical URL: https://polymerjournals.com/effect-of-tio2-content-and-process-parameters-on-electrospun-polyacrylonitrile-tio2-nanofibres/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF TIO2 CONTENT AND PROCESS PARAMETERS ON ELECTROSPUN POLY(ACRYLONITRILE)/TIO2 NANOFIBRES** Page Range: p.519-526 Author(s): Byung Chul Ji; Mohammad Mahbub Rabbani; Sang Su Bae; Jae Cheon Shin; Seong Baek Yang; Woo Seok Choi; Yang Soo Park; Kook Bae Do; Jeong Hyun Yeum File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102195&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** Poly(acrylonitrile) (PAN) nanofibres containing variable amounts of titanium dioxide (TiO2) were successfully electrospun under different conditions to find optimum electrospinning conditions and to investigate the effects of TiO2 content and electrospinning parameters on the morphologies and thermal properties of PAN/TiO2 nanofibres. Various amounts of TiO2 were dispersed separately into PAN solutions. N, N'-dimethyl formamide (DMF) was used as a solvent. Electrospinning parameters such as applied voltage and tip to collector distance (TCD) were varied at a fixed PAN/TiO2 mixing ratio. The PAN/TiO2 nanofibres containing different amounts of TiO2 were characterized by field-emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA). The results showed TiO2 content and electrospinning parameters have direct influence on the morphologies of PAN/TiO2 nanofibres. Moreover, the addition of TiO2 significantly improved the thermal stability of the PAN nanofibres. 15 Refs. --- --- Source: https://polymerjournals.com/effect-of-sulfate-ion-on-the-performance-of-polycarboxylate-comb-like-copolymers-in-cement-suspensions/ # EFFECT OF SULFATE ION ON THE PERFORMANCE OF POLYCARBOXYLATE COMB-LIKE COPOLYMERS IN CEMENT SUSPENSIONS > Title: EFFECT OF SULFATE ION ON THE PERFORMANCE OF POLYCARBOXYLATE COMB-LIKE COPOLYMERS IN CEMENT SUSPENSIONS Page Range: p.527-532 Author(s): Qianping Ran; Min Qiao; Yinhui Yu; Jiaping Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effect-of-sulfate-ion-on-the-performance-of-polycarboxylate-comb-like-copolymers-in-cement-suspensions/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SULFATE ION ON THE PERFORMANCE OF POLYCARBOXYLATE COMB-LIKE COPOLYMERS IN CEMENT SUSPENSIONS** Page Range: p.527-532 Author(s): Qianping Ran; Min Qiao; Yinhui Yu; Jiaping Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102196&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** Polycarboxylate comb-like copolymer (PCE) is a kind of polyelectrolyte, which is easily affected by the ions in cement suspensions. In this work, the effects of sulphate ion on the surface charge, adsorption and dispersion in cement system with PCE as dispersant were investigated in detail. The addition of sulphate ion apparently decreased the positive charge on the surface of cement particles. The sulphate ion reduced the adsorption and dispersibility of PCE in cement suspensions, which was due to the competition between sulphate ions and PCE in the adsorption behaviour on the surface of cement particles. 11 Refs. --- --- Source: https://polymerjournals.com/electrical-and-steady-shear-rheological-behaviour-of-polypropylene-composites-reinforced-with-single-walled-carbon-nanotubes/ # ELECTRICAL AND STEADY SHEAR RHEOLOGICAL BEHAVIOUR OF POLYPROPYLENE COMPOSITES REINFORCED WITH SINGLE-WALLED CARBON NANOTUBES > Title: ELECTRICAL AND STEADY SHEAR RHEOLOGICAL BEHAVIOUR OF POLYPROPYLENE COMPOSITES REINFORCED WITH SINGLE-WALLED CARBON NANOTUBES Page Range: p.533-540 Author(s): Amir Narimani; Mahmood Hemmati File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/electrical-and-steady-shear-rheological-behaviour-of-polypropylene-composites-reinforced-with-single-walled-carbon-nanotubes/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTRICAL AND STEADY SHEAR RHEOLOGICAL BEHAVIOUR OF POLYPROPYLENE COMPOSITES REINFORCED WITH SINGLE-WALLED CARBON NANOTUBES** Page Range: p.533-540 Author(s): Amir Narimani; Mahmood Hemmati File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102197&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** The steady shear rheological behaviour, morphological, electrical, physical and mechanical properties of melt-blended polypropylene (PP)/single walled carbon nanotube (SWNT) were investigated. The rheological behaviour results indicated that both PP and its nanocomposites exhibited non-Newtonian behaviour. Addition of SWNT increased the shear stress and shear viscosity. It was also found that the materials experience a fluid-solid transition at 0.5 wt.% SWNT. The die swell behaviour increased with increasing shear rate and also decreased with the SWNT content. The morphology and degree of dispersion SWNT in the polypropylene matrix were investigated by SEM. The electrical percolation threshold was formed at about 1 wt.% of SWNT. In addition, a difference between electrical and rheological percolation thresholds was observed. DSC results confirmed the expected nucleate effect of SWNT on the crystallisation process of polypropylene. It was also found that the tensile strength improved when 0.5 wt.% SWNT used. Furthermore, an increase in the tensile modulus was observed with increasing SWNT contents, but the elongation at break decreased. 41 Refs. --- --- Source: https://polymerjournals.com/crystallization-kinetics-of-recycled-high-density-polyethylene-and-coffee-dregs-composites/ # CRYSTALLIZATION KINETICS OF RECYCLED HIGH DENSITY POLYETHYLENE AND COFFEE DREGS COMPOSITES > Title: CRYSTALLIZATION KINETICS OF RECYCLED HIGH DENSITY POLYETHYLENE AND COFFEE DREGS COMPOSITES Page Range: p.541-550 Author(s): Sibele Piedade Cestari; Mendes L C; Altstadt V; Eloisa Biasotto Mano; Franca Da Silva D; Keller J-H File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/crystallization-kinetics-of-recycled-high-density-polyethylene-and-coffee-dregs-composites/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CRYSTALLIZATION KINETICS OF RECYCLED HIGH DENSITY POLYETHYLENE AND COFFEE DREGS COMPOSITES** Page Range: p.541-550 Author(s): Sibele Piedade Cestari; Mendes L C; Altstadt V; Eloisa Biasotto Mano; Franca Da Silva D; Keller J-H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102198&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** High density polyethylene (HDPE) - coffee dregs (COFD) composites were studied over a range of seven different temperatures, under isothermal crystallisation conditions, using differential scanning calorimetric (DSC) analysis. The aim was to observe the influence of filler content in the crystallisation kinetics of HDPE. Seven blends were prepared, the polymer-filler ratio ranging from 100-0 to 40-60%. The results were evaluated using the Johnson-Mehl-Avrami-Kolmogorov equation. The equilibrium melting temperature was determined by applying the Hoffman-Weeks method. The materials were also evaluated through scanning electron microscopy, differential scanning calorimetry and thermogravimetry/derivative thermogravimetry. 32 Refs. --- --- Source: https://polymerjournals.com/radiochemical-graft-copolymerization-and-characterization-of-acrylate-monomers-on-to-polyethylene-film/ # RADIOCHEMICAL GRAFT COPOLYMERIZATION AND CHARACTERIZATION OF ACRYLATE MONOMERS ON TO POLYETHYLENE FILM > Title: RADIOCHEMICAL GRAFT COPOLYMERIZATION AND CHARACTERIZATION OF ACRYLATE MONOMERS ON TO POLYETHYLENE FILM Page Range: p.551-560 Author(s): Inderjeet Kaur; Anupam Gupta; Vandna Kumari File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/radiochemical-graft-copolymerization-and-characterization-of-acrylate-monomers-on-to-polyethylene-film/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RADIOCHEMICAL GRAFT COPOLYMERIZATION AND CHARACTERIZATION OF ACRYLATE MONOMERS ON TO POLYETHYLENE FILM** Page Range: p.551-560 Author(s): Inderjeet Kaur; Anupam Gupta; Vandna Kumari File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102199&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** Functionalisation of polyethylene (PE) film by radiation-induced graft copolymerisation of ethyl acrylate (EA) and ethyl methacrylate (EMA) has been carried out using a preirradiation technique to develop materials with different degrees of grafting for use in ion separation processes. The influence of reaction conditions such as preirradiation dose, monomer concentration, reaction time and amount of solvent on percentage of grafting (Pg) has been studied and maximum Pg values of EA (144.97%) and EMA (142.35%) were respectively obtained at [EA] = 0.92 mol/L, [EMA] = 0.80 mol/L, total dose = 14.4 kGy and 17.28 kGy at 100 deg C in 120 and 180 min. The effect of different monohydric alcohols of varying chain lengths on Pg has also been studied. The modified films have been characterized by FTIR, thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and X-ray diffraction (XRD) methods. Some selective properties of pristine and grafted PE film such as swelling and ion uptake studies have also been investigated. The grafted films showed better swelling and ion uptake capacity in comparison to the pristine film. 20 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-and-tribological-behaviour-of-retrieved-uhmwpe-tibial-insert-in-total-knee-replacement-after-implantation-30-months/ # MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF RETRIEVED UHMWPE TIBIAL INSERT IN TOTAL KNEE REPLACEMENT AFTER IMPLANTATION 30 MONTHS > Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF RETRIEVED UHMWPE TIBIAL INSERT IN TOTAL KNEE REPLACEMENT AFTER IMPLANTATION 30 MONTHS Page Range: p.561-568 Author(s): Xueqin Kang; Shirong Ge; Xiaofeng Dai File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/mechanical-properties-and-tribological-behaviour-of-retrieved-uhmwpe-tibial-insert-in-total-knee-replacement-after-implantation-30-months/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF RETRIEVED UHMWPE TIBIAL INSERT IN TOTAL KNEE REPLACEMENT AFTER IMPLANTATION 30 MONTHS** Page Range: p.561-568 Author(s): Xueqin Kang; Shirong Ge; Xiaofeng Dai File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102200&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** This study was performed to investigate the performance changing of an ultra high molecular weight polyethylene (UHMWPE) tibial insert, which was removed from a 56 years old male patient after 30 months of service. The tibial insert was investigated by using a contact angle goniometer, UMT-2 friction tester and MicroXAM threedimensional profilometer to characterize the wettability, ball indentation hardness, creep resistance, friction and wear performance. Scanning electron microscopy (SEM) was employed to describe the morphology of the sample surface of unused and retrieved UHMWPE after friction and wear test. Surface differential scanning calorimetry (DSC) was used to calculate the surface crystallinity of UHMWPE. The results showed that the contact angle of retrieved UHMWPE with bovine calf serum was obviously decreased by about 15% compared with unused UHMWPE. The surface crystallinity of retrieved UHMWPE increased 9.6% compared with unused UHMWPE. All of these induced the ball indentation hardness and creep resistance decreased 18% and 31%, the wear loss of retrieved UHMWPE increased 24% compared with unused UHMWPE. 33 Refs. --- --- Source: https://polymerjournals.com/a-new-silica-rich-material-from-waste-fly-ash-generation-characterisation-and-study-of-its-effectiveness-as-a-filler-for-rubber-compounds/ # A NEW SILICA-RICH MATERIAL FROM WASTE FLY ASH – GENERATION, CHARACTERISATION AND STUDY OF ITS EFFECTIVENESS AS A FILLER FOR RUBBER COMPOUNDS > Title: A NEW SILICA-RICH MATERIAL FROM WASTE FLY ASH - GENERATION, CHARACTERISATION AND STUDY OF ITS EFFECTIVENESS AS A FILLER FOR RUBBER COMPOUNDS Page Range: p.569-580 Author(s): Mridul Dasgupta; Saikat Das Gupta; Rabindra Mukhopadhyay; Abhijit Bandyopadhyay File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/a-new-silica-rich-material-from-waste-fly-ash-generation-characterisation-and-study-of-its-effectiveness-as-a-filler-for-rubber-compounds/ Published: 2014-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NEW SILICA-RICH MATERIAL FROM WASTE FLY ASH - GENERATION, CHARACTERISATION AND STUDY OF ITS EFFECTIVENESS AS A FILLER FOR RUBBER COMPOUNDS** Page Range: p.569-580 Author(s): Mridul Dasgupta; Saikat Das Gupta; Rabindra Mukhopadhyay; Abhijit Bandyopadhyay File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-6&JournalID=102201&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.6 **Abstract** A silica-rich material was generated from waste fly ash and it was subsequently characterized and experimented in ESBR compounds to find its suitability to be used as a filler for rubber compounds. This material contained 97.5% silica and 2.5% alumina. Characterisation of this material, designated as Modified Fly Ash (MFA), revealed the presence of characteristic peaks of silica in an FTIR study, and the surface area was found to be 110-115 m2/g. The effect of this material as a filler for rubber compound has been studied in ESBR compounds at low, medium and high filler loadings, and the compound properties were compared with those of compounds filled with two commercially available grades of silica, namely VN2-Silica (surface area 120-125 m2/g) and VN3-Silica (165-170 m2/g), at similar loadings. MFA showed the highest cure rate index, elongation at break and lowest heat generation among the three fillers at all the levels of filler loading. The tensile strength and 300% modulus of MFA filled compounds were inferior to those of VN3-silica, but they were closer to the values obtained for VN2-silica filled compounds. These two properties of MFA and VN2-Silica were comparable at low filler loading and at medium to high loading, the properties exhibited by VN2-Silica could be matched by using higher dosage of MFA. 34 Refs. --- --- Source: https://polymerjournals.com/abrasion-resistance-of-concrete-containing-polyolefin-fibers-and-silica-fumes/ # ABRASION RESISTANCE OF CONCRETE CONTAINING POLYOLEFIN FIBERS AND SILICA FUMES > Title: ABRASION RESISTANCE OF CONCRETE CONTAINING POLYOLEFIN FIBERS AND SILICA FUMES Page Range: p.437-442 Author(s): An Cheng; Wei-Ting Lin File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No:... Canonical URL: https://polymerjournals.com/abrasion-resistance-of-concrete-containing-polyolefin-fibers-and-silica-fumes/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ABRASION RESISTANCE OF CONCRETE CONTAINING POLYOLEFIN FIBERS AND SILICA FUMES** Page Range: p.437-442 Author(s): An Cheng; Wei-Ting Lin File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102176&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** This project is aimed to evaluate the abrasion resistance of cement-based composites which comprise polyolefin fibres and silica fume in the mixes. Material variables include water-binder ratio, dosage of silica fume and dosage of polyolefin fibre. Compressive strength, splitting tensile strength and abrasion tests were conducted and discussed. Test results indicate that the inclusion of polyolefin fibre or silica fume in cement-based composites not only increases the compressive strength and splitting tensile strength but also decreases the abrasion loss. The silica fume plays a positive rule on growth of compressive strength, splitting strength and abrasion resistance of cement-based composites due to the pozzolanic and filler effect. However, the distribution of fibres could not be controlled, resulting in a notable lack of uniformity in the specimens. The combination of silica fume and polyolefin fibre improves the strength properties and abrasion resistance than only use of polyolefin fibre. In addition, the modified Los Angeles abrasion test used in this study is suitable for the evaluation of abrasion resistance in cement-based composites. By regression analysis, the good correlations are found between compressive strength and splitting strength, abrasion ratio and compressive strength, and abrasion ratio and splitting strength. 12 Refs. --- --- Source: https://polymerjournals.com/adsorption-properties-of-crosslinked-starch-microspheres-toward-pyridine/ # ADSORPTION PROPERTIES OF CROSSLINKED STARCH MICROSPHERES TOWARD PYRIDINE > Title: ADSORPTION PROPERTIES OF CROSSLINKED STARCH MICROSPHERES TOWARD PYRIDINE Page Range: p.443-448 Author(s): Zongcheng Miao; Yang Zhao; Xiaoping Huo; Lei Wang; Zhongjin Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/adsorption-properties-of-crosslinked-starch-microspheres-toward-pyridine/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ADSORPTION PROPERTIES OF CROSSLINKED STARCH MICROSPHERES TOWARD PYRIDINE** Page Range: p.443-448 Author(s): Zongcheng Miao; Yang Zhao; Xiaoping Huo; Lei Wang; Zhongjin Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102177&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** The adsorption of pyridine onto crosslinked starch microspheres (CSMs) was investigated by experimental and theoretical methods. The adsorption capacity of CSMs towards pyridine increases with the increasing of pyridine concentration, and by lowering the temperature, adsorption would be accelerated. The adsorption behaviour of CSMs to pyridine is in agreement with the Langmuir isothermal equation. The research results show that the adsorption process is exothermic, and the adsorption force mainly derives from enthalpy changes. The thermodynamic parameters of adsorption process show that the adsorption behaviour of CSMs towards pyridine is of a physical type. 17 Refs. --- --- Source: https://polymerjournals.com/novel-superabsorbent-composite-aa-g-xg-ommt-and-application-in-sandy-soil/ # NOVEL SUPERABSORBENT COMPOSITE (AA-G-XG/OMMT) AND APPLICATION IN SANDY SOIL > Title: NOVEL SUPERABSORBENT COMPOSITE (AA-G-XG/OMMT) AND APPLICATION IN SANDY SOIL Page Range: p.449-452 Author(s): Zongcheng Miao; Lei Wang; Yuzhen Zhao; Pengxia Liang; Zhongjin Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/novel-superabsorbent-composite-aa-g-xg-ommt-and-application-in-sandy-soil/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NOVEL SUPERABSORBENT COMPOSITE (AA-G-XG/OMMT) AND APPLICATION IN SANDY SOIL** Page Range: p.449-452 Author(s): Zongcheng Miao; Lei Wang; Yuzhen Zhao; Pengxia Liang; Zhongjin Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102178&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** In order to develop an environmentally friendly polymer, a novel superabsorbent composite (SAC) was prepared by graft copolymerisation of acrylic acid (AA) onto xanthan gum (XG) and then hybridisation with organic montmorillonite (OMMT) by hexadecyl trimethyl ammonium bromide. The characterisation of the SAC was confirmed by FTIR, SEM and DSC. Moreover, the water-retention characteristics of the composite were further studied. The results showed that the synthesised composite effectively increased the water-retention capacity. Therefore, this new composite could be considered as an excellent candidate for various industrial applications. 15 Refs. --- --- Source: https://polymerjournals.com/preparation-and-thermal-conductivity-of-nickel-fiber-powder-silicone-rubber-composites-induced-by-magnetic-field/ # PREPARATION AND THERMAL CONDUCTIVITY OF NICKEL FIBER (POWDER)/SILICONE RUBBER COMPOSITES INDUCED BY MAGNETIC FIELD > Title: PREPARATION AND THERMAL CONDUCTIVITY OF NICKEL FIBER (POWDER)/SILICONE RUBBER COMPOSITES INDUCED BY MAGNETIC FIELD Page Range: p.453-458 Author(s): Dongsheng Xie; Xianfeng Meng; Jie Ma; Lin Zhu; Xiangqian Shen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/preparation-and-thermal-conductivity-of-nickel-fiber-powder-silicone-rubber-composites-induced-by-magnetic-field/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND THERMAL CONDUCTIVITY OF NICKEL FIBER (POWDER)/SILICONE RUBBER COMPOSITES INDUCED BY MAGNETIC FIELD** Page Range: p.453-458 Author(s): Dongsheng Xie; Xianfeng Meng; Jie Ma; Lin Zhu; Xiangqian Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102179&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** Silicone rubber composites filled with Ni powder (fibre) were successfully prepared, and the effect of fillers and magnetic field on the thermal conductivity of composite was investigated. The results showed that with the increasing of volume content of fillers, the thermal conductivity of composite increases. The Maxwell model and Cheng-Vachon equation were used to predict the thermal conductivity to explain the effect of Ni powder (fibre) fillers on the formation of thermal conductive networks. The SEM results indicated that aligned linetypelike structure had formed under magnetic field. Therefore, the presence of magnetic field during curing process could significantly enhance the thermal conductivity of composite. 19 Refs. --- --- Source: https://polymerjournals.com/experimental-study-of-epoxy-resin-repairing-of-cracks-in-fractured-rocks/ # EXPERIMENTAL STUDY OF EPOXY RESIN REPAIRING OF CRACKS IN FRACTURED ROCKS > Title: EXPERIMENTAL STUDY OF EPOXY RESIN REPAIRING OF CRACKS IN FRACTURED ROCKS Page Range: p.459-466 Author(s): Huige Xing; Xingguo Yang; Yuhui Dang; Xin Yao; Jiawen Zhou File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/experimental-study-of-epoxy-resin-repairing-of-cracks-in-fractured-rocks/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXPERIMENTAL STUDY OF EPOXY RESIN REPAIRING OF CRACKS IN FRACTURED ROCKS** Page Range: p.459-466 Author(s): Huige Xing; Xingguo Yang; Yuhui Dang; Xin Yao; Jiawen Zhou File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102180&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** Cracks in rock mass have always posed a big threat on the durability of fractured rocks in shear zone. Cracking of rock mass in shear zone is a random process, highly variable and influenced by many factors. Cracks in fractured rocks can be repaired by injection of epoxy resin in order to bond the crack and restore its structural integrity. Epoxy resins are used to repairing the shear zone at the Jinping Hydropower Station. An improved polymer grouting material is adopted and the polymerisation process is determined. The polymer grouting materials is consisted of resin (component A) and hardener (component B). Polarizing microscopy (PM) tests and mechanical experiments are adopted to evaluate the filling situation of epoxy resin in rock and the mechanical properties of epoxy-repaired rock, respectively. Experimental test results show that, the cracks and pores are filled by epoxy resin, and also the crack surface are boned. The mechanical properties of epoxy-repaired rock are improved by the polymer grouting and the permeability coefficient is decreased. 15 Refs. --- --- Source: https://polymerjournals.com/dispersion-of-pristine-cnt-in-uhmwpe-solution-to-prepare-cnt-uhmwpe-composite-fiber/ # DISPERSION OF PRISTINE CNT IN UHMWPE SOLUTION TO PREPARE CNT/UHMWPE COMPOSITE FIBER > Title: DISPERSION OF PRISTINE CNT IN UHMWPE SOLUTION TO PREPARE CNT/UHMWPE COMPOSITE FIBER Page Range: p.467-470 Author(s): Xiangyang Hao; An-Ting Chien; Xiaoying Hua; Jian Lu; Yaodong Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/dispersion-of-pristine-cnt-in-uhmwpe-solution-to-prepare-cnt-uhmwpe-composite-fiber/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DISPERSION OF PRISTINE CNT IN UHMWPE SOLUTION TO PREPARE CNT/UHMWPE COMPOSITE FIBER** Page Range: p.467-470 Author(s): Xiangyang Hao; An-Ting Chien; Xiaoying Hua; Jian Lu; Yaodong Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102181&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** CNT dispersion in polymer matrices uniformly remains a challenge. Uniform dispersion of carbon nanotube (CNT) within ultra-high molecular polyethylene (UHMWPE) solution is the first step to achieve CNT/UHMWPE fibres with excellent properties. Several approaches have been tried. Composite powder was acquired by coating CNT on UHMWPE powder, then, dissolved in decalin, through gel-spinning, higher stronger composite fibre is fabricated. 12 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-properties-of-phenylmethylsilicone-organic-montmorillonite-nanocomposites-by-in-situ-intercalative-polymerization/ # SYNTHESIS AND PROPERTIES OF PHENYLMETHYLSILICONE/ORGANIC MONTMORILLONITE NANOCOMPOSITES BY IN-SITU INTERCALATIVE POLYMERIZATION > Title: SYNTHESIS AND PROPERTIES OF PHENYLMETHYLSILICONE/ORGANIC MONTMORILLONITE NANOCOMPOSITES BY IN-SITU INTERCALATIVE POLYMERIZATION Page Range: p.471-476 Author(s): Xinhua Yuan; Wenhua Guo; Xiao Jiang; Yongqiang Liu; Shulin Pan; Jie Hu; Songjun Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-phenylmethylsilicone-organic-montmorillonite-nanocomposites-by-in-situ-intercalative-polymerization/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTIES OF PHENYLMETHYLSILICONE/ORGANIC MONTMORILLONITE NANOCOMPOSITES BY IN-SITU INTERCALATIVE POLYMERIZATION** Page Range: p.471-476 Author(s): Xinhua Yuan; Wenhua Guo; Xiao Jiang; Yongqiang Liu; Shulin Pan; Jie Hu; Songjun Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102182&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** Using methylphenyl dichlorosilane, methyl trichlorosilane cetyltrimethylammonium bromide (CTAB) as organic treatment agent, phenylmethylsilicone/organic montmorillonite (OMMT) nanocomposites were prepared by in-situ intercalative polymerisation. The internal structure and morphology of the nanocomposites were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM). Mechanical properties, high temperature resistance and barrier performance for gas and water were also studied. The results show that molecules of silicone chains insert into the layer of montmorillonite (MMT), and the interlayer distance of MMT is expanded effectively after polymerisation of phenylmethylsilicone prepolymer and methyl methacrylate, even forming exfoliated nanocomposites. 12 Refs. --- --- Source: https://polymerjournals.com/effect-of-sic-volume-fraction-on-properties-of-sic-6061-composites/ # EFFECT OF SIC VOLUME FRACTION ON PROPERTIES OF SIC/6061 COMPOSITES > Title: EFFECT OF SIC VOLUME FRACTION ON PROPERTIES OF SIC/6061 COMPOSITES Page Range: p.477-482 Author(s): Yan Li-peng; Wang Ai-qin; Xie Jing-pei; Hao Shi-ming File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/effect-of-sic-volume-fraction-on-properties-of-sic-6061-composites/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SIC VOLUME FRACTION ON PROPERTIES OF SIC/6061 COMPOSITES** Page Range: p.477-482 Author(s): Yan Li-peng; Wang Ai-qin; Xie Jing-pei; Hao Shi-ming File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102183&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** The SiC/6061 composites were produced by powder metallurgy method, with the SiC particle volume fraction being 20%, 25%, 30% respectively. The microstructures of the materials were observed by Optical Microscope. The tensile strength and Coefficient of thermal expansion (CTE) were examined. Turner and Kerner theoretical models were employed to analyse the CTE. The influences of the SiC particles volume fraction on the microstructures and performances were analysed. The results show that with the increase of the SiC particles volume fraction in the composites, the clustering degree of the SiC particles increases in the matrix, and the CTE decreases which is close to the average of the Kerner and Turner theoretical model predictions, and the tensile strength increases but when the volume fraction of SiC particles exceeds the critical value of 30% the tensile strength of the composite decreases. And the strengthening mechanism of experimental materials was discussed. 21 Refs. --- --- Source: https://polymerjournals.com/numerical-simulation-of-mode-ii-fracture-of-cfrp-with-toughening-interlayer-using-bilinear-cohesive-zone-model/ # NUMERICAL SIMULATION OF MODE-II FRACTURE OF CFRP WITH TOUGHENING INTERLAYER USING BILINEAR COHESIVE ZONE MODEL > Title: NUMERICAL SIMULATION OF MODE-II FRACTURE OF CFRP WITH TOUGHENING INTERLAYER USING BILINEAR COHESIVE ZONE MODEL Page Range: p.483-488 Author(s): Guowei Zhu; Peng Qu; Yunli Guo; Gang Liu; Xiaosu Yi; Yuxi Jia File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/numerical-simulation-of-mode-ii-fracture-of-cfrp-with-toughening-interlayer-using-bilinear-cohesive-zone-model/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUMERICAL SIMULATION OF MODE-II FRACTURE OF CFRP WITH TOUGHENING INTERLAYER USING BILINEAR COHESIVE ZONE MODEL** Page Range: p.483-488 Author(s): Guowei Zhu; Peng Qu; Yunli Guo; Gang Liu; Xiaosu Yi; Yuxi Jia File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102184&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** The effect of interfacial toughening porous non-woven fabric (PNF) on the Mode-II fracture toughness (GIIC) of carbon fibre reinforced polymer is studied by performing end notched flexure tests. The PNF with a thickness of 10 (mu)m is selected as the interleaf material, which is modelled by the bilinear cohesive zone model. The vertical displacement of loading points and the corresponding force are measured. The influences of the cohesive shear strength and GIIC of the toughening interlayer on the mechanical response of composites are studied. The main results are obtained as follows. The peak load increases with the increase of the cohesive shear strength, but the increasing amplitude is gradually reduced. Once the delamination propagates steadily, the influence of the cohesive shear strength can be neglected, and at the moment, GIIC of toughening interlayer plays a leading role. Furthermore, the greater GIIC of toughening interlayer is, the greater GIIC of composites and peak load are. 9 Refs. --- --- Source: https://polymerjournals.com/synthesis-of-montmorillonite-acrylic-acid-acrylamide-tricopolymer-and-its-super-absorbent-properties/ # SYNTHESIS OF MONTMORILLONITE/ACRYLIC ACID/ACRYLAMIDE TRICOPOLYMER AND ITS SUPER ABSORBENT PROPERTIES > Title: SYNTHESIS OF MONTMORILLONITE/ACRYLIC ACID/ACRYLAMIDE TRICOPOLYMER AND ITS SUPER ABSORBENT PROPERTIES Page Range: p.489-494 Author(s): Xiao-yuan Zhan; Fang Wang; Xing-wei Li; Min Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/synthesis-of-montmorillonite-acrylic-acid-acrylamide-tricopolymer-and-its-super-absorbent-properties/ Published: 2014-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF MONTMORILLONITE/ACRYLIC ACID/ACRYLAMIDE TRICOPOLYMER AND ITS SUPER ABSORBENT PROPERTIES** Page Range: p.489-494 Author(s): Xiao-yuan Zhan; Fang Wang; Xing-wei Li; Min Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-5&JournalID=102185&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.5 **Abstract** Montmorillonite/acrylic acid/acrylamide tricopolymer was synthesised by using aqueous solution polymerisation. Some factors affecting the water absorbency of super absorbent composite material, such as the neutralisation of acrylic acid, the amount of added montmorillonite, initiator and crosslinking agent were investigated. The best formula for absorbing the running water was proposed, it included 40% montmorillonite, 80% monomer neutralisation degree, 0.08% crosslinker amount, and 0.15% initiator, and the water absorbency of the obtained composite materials was 150 times. The FTIR research indicated that montmorillonite was effectively compounded with polymer, it is found that the composite with a good water retention and heat resistance is significant for reducing the product cost and improving the comprehensive property of the composite. 10 Refs. --- --- Source: https://polymerjournals.com/structure-property-relationships-in-arapaima-gigas-scales-revealed-by-nanoindentation-tests/ # STRUCTURE-PROPERTY RELATIONSHIPS IN ARAPAIMA GIGAS SCALES REVEALED BY NANOINDENTATION TESTS > Title: STRUCTURE-PROPERTY RELATIONSHIPS IN ARAPAIMA GIGAS SCALES REVEALED BY NANOINDENTATION TESTS Page Range: p.369-374 Author(s): Torres F G; Le Bourhis E; Troncoso O P; Llamoza J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/structure-property-relationships-in-arapaima-gigas-scales-revealed-by-nanoindentation-tests/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE-PROPERTY RELATIONSHIPS IN ARAPAIMA GIGAS SCALES REVEALED BY NANOINDENTATION TESTS** Page Range: p.369-374 Author(s): Torres F G; Le Bourhis E; Troncoso O P; Llamoza J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102159&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** Fish scales from Arapaima Gigas have been studied in terms of their structure (morphology, collagen content) and mechanical properties. A strong mechanical gradient was revealed in the scale, hardness and reduced modulus being reduced by a factor of three. Correlations between the hardness and reduced modulus and the mineral content have been found. The external mineral rich layers were determined to be hard and stiff while the inner surface, being collagen rich, was less hard and less stiff. The inside of the scales showed a progressive decrease of mechanical properties, with variations attributed to the plywood-like structure of the scale. 17 Refs. --- --- Source: https://polymerjournals.com/rubber-wood-fibre-based-flexible-composites-their-preparation-physical-strength-reinforcing-and-stab-resistance-behaviour/ # RUBBER WOOD FIBRE BASED FLEXIBLE COMPOSITES: THEIR PREPARATION, PHYSICAL STRENGTH REINFORCING AND STAB RESISTANCE BEHAVIOUR > Title: RUBBER WOOD FIBRE BASED FLEXIBLE COMPOSITES: THEIR PREPARATION, PHYSICAL STRENGTH REINFORCING AND STAB RESISTANCE BEHAVIOUR Page Range: p.375-380 Author(s): Yong K C File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/rubber-wood-fibre-based-flexible-composites-their-preparation-physical-strength-reinforcing-and-stab-resistance-behaviour/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RUBBER WOOD FIBRE BASED FLEXIBLE COMPOSITES: THEIR PREPARATION, PHYSICAL STRENGTH REINFORCING AND STAB RESISTANCE BEHAVIOUR** Page Range: p.375-380 Author(s): Yong K C File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102160&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** Novel flexible laminated composites based on rubber compounds and rubber (Hevea brasiliensis) wood fibres were successfully produced by using a carboxylated nitrile latex based adhesive system. All these laminated composites exhibited good reinforcing behaviour and strong elastomeric features. They also had a medium level of stab resistance strength, particularly for the 'edged blade' protection class according to the standard issued by the United States - National Institute of Justice. Hence, this type of laminated composite could potentially be targeted for anti-stab body armour applications. 21 Refs. --- --- Source: https://polymerjournals.com/properties-of-polypropylene-and-surface-modified-glass-fibre-composites/ # PROPERTIES OF POLYPROPYLENE AND SURFACE MODIFIED GLASS-FIBRE COMPOSITES > Title: PROPERTIES OF POLYPROPYLENE AND SURFACE MODIFIED GLASS-FIBRE COMPOSITES Page Range: p.381-386 Author(s): Zhu L H; Sheng J F; Guo Z F; Ju X S; Li S; Chen Y F; Luo J File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/properties-of-polypropylene-and-surface-modified-glass-fibre-composites/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF POLYPROPYLENE AND SURFACE MODIFIED GLASS-FIBRE COMPOSITES** Page Range: p.381-386 Author(s): Zhu L H; Sheng J F; Guo Z F; Ju X S; Li S; Chen Y F; Luo J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102161&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** To improve the interfacial bonding between polypropylene (PP) and glass-fibre (GF), the surface modified glassfibre (SMGF) was prepared with the self-designed sizing containing organofunctional silanes and a copolymer. Then the SMGF-PP composites were prepared and those properties were observed by mechanical testing, light microscopy, X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Mechanical tests displayed that SMGF-PP composites had an increase in tensile strength, tensile modulus, bending strength, bending modulus and notched impact strength compared to the pure PP. Light micrographs showed that the average fibre length of the composite was 397 (mu)m. XRD data indicated that the crystal size of SMGF-PP composites became smaller compared to pure PP, and SS form crystals of PP disappeared with the addition of SMGF to PP matrix. DSC data showed that SMGF could promote the crystallisation temperature of PP. TGA analyses showed that the thermal stability of SMGF-PP was better than that of pure PP. 12 Refs. --- --- Source: https://polymerjournals.com/production-of-micrometer-sized-composite-polymer-magnetic-spheres-using-as-precursor-metallurgical-wastes/ # PRODUCTION OF MICROMETER-SIZED COMPOSITE POLYMER-MAGNETIC SPHERES USING AS PRECURSOR METALLURGICAL WASTES > Title: PRODUCTION OF MICROMETER-SIZED COMPOSITE POLYMER-MAGNETIC SPHERES USING AS PRECURSOR METALLURGICAL WASTES Page Range: p.387-392 Author(s): Perera-Mercado Y A; Betancourt-Galindo R; Saucedo-Salazar E M; Puente-Urbina B A; Medellin-Banda D I; Neira-Velazquez M G; Gutierrez-Villarreal M H; Garcia-Rodriguez S P File size: Download... Canonical URL: https://polymerjournals.com/production-of-micrometer-sized-composite-polymer-magnetic-spheres-using-as-precursor-metallurgical-wastes/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PRODUCTION OF MICROMETER-SIZED COMPOSITE POLYMER-MAGNETIC SPHERES USING AS PRECURSOR METALLURGICAL WASTES** Page Range: p.387-392 Author(s): Perera-Mercado Y A; Betancourt-Galindo R; Saucedo-Salazar E M; Puente-Urbina B A; Medellin-Banda D I; Neira-Velazquez M G; Gutierrez-Villarreal M H; Garcia-Rodriguez S P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102162&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** Micrometre-sized composite polymer-magnetic spheres consisting of a magnetic-spherical core with a polystyrene shell were produced. The magnetic-spherical core was produced by plasma thermal conversion of waste powders precursor (iron oxide) generated during the conventional process of steel production. Precursor powders were projected into an Ar-He plasma plume using industrial thermal-spray equipment. The results are a total conversion of the precursor powders into magnetic-spherical particles with diameters in the micrometre size range. The surfaces of the magnetic-spheres were functionalised by a chemistry hydrolysis method using 3-aminopropyltrimethoxysilane (APTMS) and creating superficial amine structures that improved the adherence of the final polystyrene shells that was polymerized by adapting the miniemulsion process. The products at the different synthesis steps were characterized by diverse techniques, such as: X-ray diffraction (XRD), scanning electron microscopy (SEM), field emission scanning electron microscopy (FE-SEM), X-ray energy dispersive spectroscopy (EDS), Fourier Transformed Infrared spectroscopy (FTIR) and the magnetic properties were investigated with a vibrating sample magnetometer. 30 Refs. --- --- Source: https://polymerjournals.com/thermal-conductivity-and-mechanical-properties-of-carbon-black-filled-silicone-rubber/ # THERMAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF CARBON BLACK FILLED SILICONE RUBBER > Title: THERMAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF CARBON BLACK FILLED SILICONE RUBBER Page Range: p.393-400 Author(s): Jibin Wang; Qiuying Li; Chifei Wu; Haiyan Xu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/thermal-conductivity-and-mechanical-properties-of-carbon-black-filled-silicone-rubber/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF CARBON BLACK FILLED SILICONE RUBBER** Page Range: p.393-400 Author(s): Jibin Wang; Qiuying Li; Chifei Wu; Haiyan Xu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102163&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** The effects of two types of carbon blacks (CBs), N990 and Vulcan XC-72, on the mechanical properties and thermal conductivity of filled silicone rubber (SR) were investigated. It was found that the addition of CB particles increased the thermal conductivity, the thermal stability and the tensile strength of the silicone rubber composites. The scanning electron microscope showed that Vulcan XC-72 of higher structure was more liable to form conductive network within the matrix, and the thermal conductivity of the composites filled by Vulcan XC-72 was superior to that of the composites filled by N990 at the same filler loading. The Agari model and the Payne effect were used to explain the influence of N990 and Vulcan XC-72 on the formation of thermal conductive networks. Furthermore, Vulcan XC-72 also had better enhancing effects on the mechanical properties and the electrical conductivity of the composites. It was notable that at the high filler contents, silicone rubber filled with N990 also possessed good general properties. 27 Refs. --- --- Source: https://polymerjournals.com/nonisothermal-crystallization-behaviour-of-a-novel-cycloaliphatic-microcrystalline-poly44-aminocyclohexyl-methylene-dodecanedicarboxylamide/ # NONISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF A NOVEL CYCLOALIPHATIC MICROCRYSTALLINE POLY(4,4′-AMINOCYCLOHEXYL METHYLENE DODECANEDICARBOXYLAMIDE) > Title: NONISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF A NOVEL CYCLOALIPHATIC MICROCRYSTALLINE POLY(4,4'-AMINOCYCLOHEXYL METHYLENE DODECANEDICARBOXYLAMIDE) Page Range: p.401-408 Author(s): Jianting Dong; Zhongyong Fan File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue... Canonical URL: https://polymerjournals.com/nonisothermal-crystallization-behaviour-of-a-novel-cycloaliphatic-microcrystalline-poly44-aminocyclohexyl-methylene-dodecanedicarboxylamide/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NONISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF A NOVEL CYCLOALIPHATIC MICROCRYSTALLINE POLY(4,4'-AMINOCYCLOHEXYL METHYLENE DODECANEDICARBOXYLAMIDE)** Page Range: p.401-408 Author(s): Jianting Dong; Zhongyong Fan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102164&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** Nonisothermal melt crystallisation behaviour and crystallisation kinetics of poly(4,4'-aminocyclohexyl methylene dodecanedicarboxylamide), a novel cycloaliphatic microcrystalline polyamide (named PA PACM12), are investigated by differential scanning calorimetry (DSC). The results show that with decreasing cooling rate, the crystallisation peak becomes narrower and shifts to higher temperature, while the crystallisation enthalpy increases. The Avrami equation, Ozawa model and Mo method are proved to be suitable to describe the whole crystallisation process. Needle-like crystals of PA PACM12 are observed under polarizing optical microscopy (POM), which is in agreement with the characteristics of nucleation type and crystal geometry deduced from the Avrami analysis. 37 Refs. --- --- Source: https://polymerjournals.com/water-absorption-behaviour-and-mechanical-properties-of-high-density-polyethylene-pistachio-shell-flour-nanocomposites-in-presence-of-two-different-uv-stabilizers/ # WATER ABSORPTION BEHAVIOUR AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE/ PISTACHIO SHELL FLOUR NANOCOMPOSITES IN PRESENCE OF TWO DIFFERENT UV STABILIZERS > Title: WATER ABSORPTION BEHAVIOUR AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE/ PISTACHIO SHELL FLOUR NANOCOMPOSITES IN PRESENCE OF TWO DIFFERENT UV STABILIZERS Page Range: p.409-416 Author(s): Abedini Najafabadi M A; Nouri Khorasani S; Moftakharian Esfahani J File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/water-absorption-behaviour-and-mechanical-properties-of-high-density-polyethylene-pistachio-shell-flour-nanocomposites-in-presence-of-two-different-uv-stabilizers/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: WATER ABSORPTION BEHAVIOUR AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE/ PISTACHIO SHELL FLOUR NANOCOMPOSITES IN PRESENCE OF TWO DIFFERENT UV STABILIZERS** Page Range: p.409-416 Author(s): Abedini Najafabadi M A; Nouri Khorasani S; Moftakharian Esfahani J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102165&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** In this research, for the first time, the effects were investigated of nanoclay as a secondary reinforcement, titanium dioxide (TiO2) and hindered amine light stabiliser (HALS) as UV stabilisers on some properties of high density polyethylene (HDPE)/pistachio shell flour (PSF) composite as the new wood plastic composite (WPC). WPCs of HDPE/PSF with different levels of nanoclay (Cloisite 20A), TiO2 and HALS were prepared. Some properties were investigated before exposure to weathering conditions. Design of experiments (DOE) was carried out to find the best formulation and decrease the number of tests. WPC granules were prepared by melt-mixing method using a twin screw extruder, and then moulded using an injection moulding machine to prepare samples. The results of X-ray diffractometry (XRD) indicated partial exfoliation and intercalation of samples containing 3 and 6 per hundred composite (phc) of nanoclay. The tensile strength and modulus of HDPE/PSF samples containing 3 and 6 phc nanoclay showed 20% increase compared to samples without nanoclay. The presence of TiO2 and HALS in the formulation did not have a significant effect on tensile properties. The nanoclay presence in HDPE/ PSF formulation improved the water absorption resistance. 17 Refs. --- --- Source: https://polymerjournals.com/synthesis-of-organo-montmorillonite-sodium-alginate-graft-polyacrylic-acid-co-2-acrylamido-2-methyl-1-propane-sulfonic-acid-superabsorbent-composite-and-its-adsorption-studies/ # SYNTHESIS OF ORGANO-MONTMORILLONITE/SODIUM ALGINATE GRAFT POLY(ACRYLIC ACID -CO-2-ACRYLAMIDO-2-METHYL-1-PROPANE SULFONIC ACID) SUPERABSORBENT COMPOSITE AND ITS ADSORPTION STUDIES > Title: SYNTHESIS OF ORGANO-MONTMORILLONITE/SODIUM ALGINATE GRAFT POLY(ACRYLIC ACID -CO-2-ACRYLAMIDO-2-METHYL-1-PROPANE SULFONIC ACID) SUPERABSORBENT COMPOSITE AND ITS ADSORPTION STUDIES Page Range: p.417-422 Author(s): Linhui Zhu; Lili Zhang; Yaoji Tang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/synthesis-of-organo-montmorillonite-sodium-alginate-graft-polyacrylic-acid-co-2-acrylamido-2-methyl-1-propane-sulfonic-acid-superabsorbent-composite-and-its-adsorption-studies/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF ORGANO-MONTMORILLONITE/SODIUM ALGINATE GRAFT POLY(ACRYLIC ACID -CO-2-ACRYLAMIDO-2-METHYL-1-PROPANE SULFONIC ACID) SUPERABSORBENT COMPOSITE AND ITS ADSORPTION STUDIES** Page Range: p.417-422 Author(s): Linhui Zhu; Lili Zhang; Yaoji Tang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102166&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** A new superabsorbent composite based on the natural material sodium alginate (SA) was synthesised by intercalation graft polymerisation of SA, acrylic acid (AA), 2-acrylamido-2-methyl-1-propane sulphonic acid (AMPS) and organo-montmorillonite (OMMT) using ammonium persulphate (APS) as an initiator and N,N'methylenebisacrylamide (MBA) as a cross linker. The composite was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA), and was used to remove heavy metal ions such as Pb2+, Ni2+ and Cu2+ from aqueous solutions. Maximum adsorption capacities for Pb2+, Ni2+ and Cu2+ were 1485, 303 and 294 mg/g respectively. It was found that the adsorption of Pb2+ was consistent with both the Langmuir and the Freundlich model, while that of Ni2+ and Cu2+ was in accordance with the Langmuir model. Mechanisms for the adsorption process were speculated upon. It revealed that chelation was dominant for the adsorption of Pb2+, while ion-exchange played an important role for adsorption of Ni2+ and Cu2+. The superabsorbent composite had good reuse performance in wastewater treatment. 15 Refs. --- --- Source: https://polymerjournals.com/design-and-analysis-of-small-scale-lift-type-vertical-axis-wind-turbine-using-composite-blade/ # DESIGN AND ANALYSIS OF SMALL-SCALE LIFT-TYPE VERTICAL-AXIS WIND TURBINE USING COMPOSITE BLADE > Title: DESIGN AND ANALYSIS OF SMALL-SCALE LIFT-TYPE VERTICAL-AXIS WIND TURBINE USING COMPOSITE BLADE Page Range: p.423-430 Author(s): Yang Zhong-Jia; Gu Yi-Zhuo; Li Min; Li Yan-Xia; Lu Jie; Zhang Zuo-Guang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/design-and-analysis-of-small-scale-lift-type-vertical-axis-wind-turbine-using-composite-blade/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DESIGN AND ANALYSIS OF SMALL-SCALE LIFT-TYPE VERTICAL-AXIS WIND TURBINE USING COMPOSITE BLADE** Page Range: p.423-430 Author(s): Yang Zhong-Jia; Gu Yi-Zhuo; Li Min; Li Yan-Xia; Lu Jie; Zhang Zuo-Guang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102167&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** This paper focuses on verifying the feasibility of applying fibre reinforced polymer matrix composite to vertical axis wind turbine. A small-scale lift-type vertical axis wind turbine using glass fibre reinforced epoxy matrix sandwich composite blade was proposed. An airfoil profile of blade was designed and a composite blade was fabricated. The structure parameters of the blade were optimized by means of the finite element modelling method. The mechanical and the resonant properties of the blade were investigated. Finally, a wind turbine with the designed blade was assembled, and its generating capacity was tested. It was demonstrated that the designed composite blade and the wind turbine had excellent performance, indicating a promising technology for utilizing wind power. 16 Refs. --- --- Source: https://polymerjournals.com/effect-of-thermal-history-on-beta-nucleated-polypropylene-homopolymer/ # EFFECT OF THERMAL HISTORY ON BETA-NUCLEATED POLYPROPYLENE HOMOPOLYMER > Title: EFFECT OF THERMAL HISTORY ON BETA-NUCLEATED POLYPROPYLENE HOMOPOLYMER Page Range: p.431-436 Author(s): Wahab M A; Samsudin M S F; Ahamid Z; Leong K H File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/effect-of-thermal-history-on-beta-nucleated-polypropylene-homopolymer/ Published: 2014-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF THERMAL HISTORY ON BETA-NUCLEATED POLYPROPYLENE HOMOPOLYMER** Page Range: p.431-436 Author(s): Wahab M A; Samsudin M S F; Ahamid Z; Leong K H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-4&JournalID=102168&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 4 **Abstract** A-nucleant is used in polypropylene homopolymer (h-PP) primarily to improve its toughness as this particular property is important for piping and pipe coating application. In this work, the effect of p-nucleating agent on h-PP as topcoat material for pipe coating was investigated. The distribution of the nucleating agent in h-PP was controlled by solid-phase reactive extrusion. It was found that when subjected to second cycle of thermal exposure, the effect of e-nucleant upon h-PP crystallinity had increased significantly. This was desirable as it would enhance topcoat toughness. Several heating cycles were used to mimic the number of thermal exposures during processing. The effect of this simulated thermal history on the toughness enhancement was assessed and reported. The work has shown that, after a number of consistent thermal cycles, the percentage of r-crystals phase remained level. This will provide a much needed assurance on thermal and mechanical consistency in p-nucleated h-PP as well as enhance its viability for pipe coating applications. 8 Refs. --- --- Source: https://polymerjournals.com/investigations-on-the-3d-laser-cutting-of-cfrp-using-a-nanosecond-pulse-fibre-laser/ # Investigations on the 3D laser cutting of CFRP using a nanosecond pulse fibre laser > Title: Investigations on the 3D laser cutting of CFRP using a nanosecond pulse fibre laser Page Range: p.177-192 Author(s): Herzog D; Canisius M; Schmidt-Lehr M; Hergoss P; Daniel C; Sina Hallmann; Emmelmann C; Scherner M V Click Here to Download Now! -... Canonical URL: https://polymerjournals.com/investigations-on-the-3d-laser-cutting-of-cfrp-using-a-nanosecond-pulse-fibre-laser/ Published: 2014-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Investigations on the 3D laser cutting of CFRP using a nanosecond pulse fibre laser** ![](http://apc.jpg)Page Range: p.177-192 Author(s): Herzog D; Canisius M; Schmidt-Lehr M; Hergoss P; Daniel C; Sina Hallmann; Emmelmann C; Scherner M V ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 **Abstract** Laser cutting of carbon fibre reinforced plastics (CFRP) has proven to be a wear-free alternative especially for cutting thinner laminates up to 2-3 mm. Laser cutting of CFRP currently requires a trade-off between manufacturing speed and quality. This study deals with an intermediate laser cutting approach using a nanosecond short pulse laser with high average power to find a compromise between manufacturing speed and quality. Experiments have shown that the material removal rate is directly proportional to the average power for intensities above the ablation threshold. It is also demonstrated that for a certain average power the ablation rate stays constant, regardless of the combinations of pulse frequency and pulse energy. The process has been found to yield acceptable effective cutting speeds while at the same time the heat affected zone is in the range of less than 10 (mu)m for laminates of 1 mm thickness. After understanding the 2D process, it has been transferred to a CFRP bottle cage which was chosen as a reference 3D application. For this purpose, the effect of the angle of incidence on the cutting process has been investigated, to show what kind of curvatures can be tolerated within the processing plane and when a repositioning of the part is necessary. It has been demonstrated that the process itself is fully suitable for 3D cutting, and that a cost-efficient process can be achieved when not only the process but also interdependencies with the machine system, material and part design are taken into account. 21 Refs. --- Source: https://polymerjournals.com/characterization-of-polydimethyl-siloxane-colemanite-composite-pastes/ # Characterization of polydimethyl siloxane-colemanite composite pastes > Title: Characterization of polydimethyl siloxane-colemanite composite pastes Page Range: p.193-212 Author(s): Pinar Turan Beyli; Mehmet Dogan; Mahir Alkan Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 Abstract Composite... Canonical URL: https://polymerjournals.com/characterization-of-polydimethyl-siloxane-colemanite-composite-pastes/ Published: 2014-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Characterization of polydimethyl siloxane-colemanite composite pastes** ![](http://apc.jpg)Page Range: p.193-212 Author(s): Pinar Turan Beyli; Mehmet Dogan; Mahir Alkan ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 **Abstract** Composite pastes have been prepared with colemanite powders and linear, nonreactive polydimethyl siloxane. Solid:liquid ratio, particle size and temperature effects on the rheological properties of composite pastes have been studied using Rosand RH10 capillary rheometer. The resulting ceramic composites have been characterised by DTA/TG, Scanning Electron Microscope (SEM) and XRD. The paste exhibited a non-Newtonian and a pseudoplastic rheological behaviour. At a certain particle size distribution the shear viscosity of paste increased with increasing solid concentration. It was found that pastes behave as a shear thinning fluid in the temperature range of 30-75 deg C and was successfully described by the Power-law model. Power law index n was approx. 0.5 which means the paste is a non-Newtonian material. The consistency coefficient of pastes increased with increasing solid level and decreasing temperature. All solid colemanite particles were covered with polydimethyl siloxane and a homogenous composite material was obtained. 19 Refs. --- Source: https://polymerjournals.com/polyvinylpyrrolidone-coated-multiwalled-carbon-nanotubes-reinforced-bisgma-nanocomposites/ # Poly(vinylpyrrolidone) coated multiwalled carbon nanotubes reinforced BisGMA nanocomposites > Title: Poly(vinylpyrrolidone) coated multiwalled carbon nanotubes reinforced BisGMA nanocomposites Page Range: p.213-228 Author(s): Praharaj A P; Dibakar Behera; Bastia T K; Arun Kumar Rout File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc... Canonical URL: https://polymerjournals.com/polyvinylpyrrolidone-coated-multiwalled-carbon-nanotubes-reinforced-bisgma-nanocomposites/ Published: 2014-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Poly(vinylpyrrolidone) coated multiwalled carbon nanotubes reinforced BisGMA nanocomposites** Page Range: p.213-228 Author(s): Praharaj A P; Dibakar Behera; Bastia T K; Arun Kumar Rout File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102469&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 **Abstract** Polyvinylpyrrolidone (PVP)-coated multiwalled carbon nanotubes (MWCNTs), prepared via solvent-casting method have been used for the fabrication of BisGMA (Bisphenol-A glycidyldimethacrylate) nanocomposites with PVP-coated MWCNT contents of 2, 5, 7, 10, 12 weight per cent. Fourier transform infrared spectroscopy indicates successful coating of PVP onto MWCNTs and scanning electron microscopy shows the dispersion of nanofillers in the matrix. 45% increase in tensile strength, 25% increase in Young's Modulus and improved thermal conductivity, dielectric strength and dielectric constant is observed for 10 wt% nanofiller loading. The volume conductivity and surface conductivities increased by 1.0 E-10 S/cm and 1.0 E-9 S for the same level of filler loading. The corrosive and water absorption properties of the composites are also reported. 18 Refs. --- --- Source: https://polymerjournals.com/effect-of-water-absorption-on-coconut-fibre-reinforced-functionalized-polyethylene-composites-developed-by-palsule-process/ # Effect of water absorption on coconut fibre reinforced functionalized polyethylene composites developed by palsule process > Title: Effect of water absorption on coconut fibre reinforced functionalized polyethylene composites developed by palsule process Page Range: p.229-238 Author(s): Anshu Anjali Singh; Sanjay Palsule File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/effect-of-water-absorption-on-coconut-fibre-reinforced-functionalized-polyethylene-composites-developed-by-palsule-process/ Published: 2014-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Effect of water absorption on coconut fibre reinforced functionalized polyethylene composites developed by palsule process** Page Range: p.229-238 Author(s): Anshu Anjali Singh; Sanjay Palsule File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-4&JournalID=102470&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 **Abstract** 10/90, 20/80 and 30/70 CNF/CF-HDPE - Coconut fibre (CNF) reinforced chemically functionalised high density polyethylene composites developed by Palsule process were immersed in distilled water at room temperature for 6600 hours. The amount of water absorbed by the CNF/CF-HDPE composites immersed in the water, increases with increasing amounts of the reinforcing coconut fibres in the composites. Tensile modulus and tensile strength of the water absorbed wet CNF/CF-HDPE composites are lower than those of the dry composites; but are higher than the dry and wet CF-HDPE matrix. 9 Refs. --- --- Source: https://polymerjournals.com/effect-of-tio2-as-particulate-reinforcement-on-mechanical-properties-of-coir-fibre-reinforced-epoxy-composites/ # Effect of TiO2 as particulate reinforcement on mechanical properties of coir fibre reinforced epoxy composites > Title: Effect of TiO2 as particulate reinforcement on mechanical properties of coir fibre reinforced epoxy composites Page Range: p.239-244 Author(s): Sankalp Dixit; Savita Dixit Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume:... Canonical URL: https://polymerjournals.com/effect-of-tio2-as-particulate-reinforcement-on-mechanical-properties-of-coir-fibre-reinforced-epoxy-composites/ Published: 2014-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Effect of TiO2 as particulate reinforcement on mechanical properties of coir fibre reinforced epoxy composites** ![](http://apc.jpg)Page Range: p.239-244 Author(s): Sankalp Dixit; Savita Dixit ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 **Abstract** Effect of titanium dioxide (TiO2) as particulate reinforcement on some properties of coir fibre reinforced epoxy composite is investigated. This study reveals that incorporation of titania (TiO2) particulates as reinforcement results in enhancement of mechanical properties of coir-epoxy composites that decrease upon exposure of the composites to UV radiations. 1 Refs. --- Source: https://polymerjournals.com/beta-silicon-carbide-coated-mwcnts-reinforced-polyetherimide-nanocomposites/ # beta silicon carbide coated MWCNTs reinforced polyetherimide nanocomposites > Title: beta silicon carbide coated MWCNTs reinforced polyetherimide nanocomposites Page Range: p.245-252 Author(s): Nitin Nagar; Pandey K N; Pratibha Singh; Vishal Verma; Mishra R M Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc... Canonical URL: https://polymerjournals.com/beta-silicon-carbide-coated-mwcnts-reinforced-polyetherimide-nanocomposites/ Published: 2014-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: beta silicon carbide coated MWCNTs reinforced polyetherimide nanocomposites** ![](http://apc.jpg)Page Range: p.245-252 Author(s): Nitin Nagar; Pandey K N; Pratibha Singh; Vishal Verma; Mishra R M ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.4 **Abstract** Polycarbosilane derived beta silicon carbide coated multi wall carbon nanotubes (MWCNTs) reinforced polyetherimide (PEI) nano-composites (with 0.1 to 0.3 phr coated MWCNTs reinforcements) have been fabricated by a sigma high temperature internal mixer followed by compression. Scanning electron microscopy (SEM) shows uniform and homogeneous dispersion of the coated MWCNTs in polyetherimide matrix, due to interfacial adhesion between the coated MWCNTs and the PEI matrix. Increasing mechanical properties of coated MWCNT/PEI nanocomposites with increasing amounts of coated MWCNTs in their compositions, confirm reinforcing effect of MWCNTs in PEI matrix in coated MWCNT/PEI nanocomposites. Thermo gravimetric analysis shows that the thermal stability of coated MWCNT/PEI nanocomposites is same as of PEI. 9 Refs. --- Source: https://polymerjournals.com/development-of-filament-wound-composite-isotensoidal-pressure-vessels/ # DEVELOPMENT OF FILAMENT WOUND COMPOSITE ISOTENSOIDAL PRESSURE VESSELS > Title: DEVELOPMENT OF FILAMENT WOUND COMPOSITE ISOTENSOIDAL PRESSURE VESSELS Page Range: p.227-232 Author(s): Lei Zu; Sotiris Koussios; Adriaan Beukers; Dinghua Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22... Canonical URL: https://polymerjournals.com/development-of-filament-wound-composite-isotensoidal-pressure-vessels/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEVELOPMENT OF FILAMENT WOUND COMPOSITE ISOTENSOIDAL PRESSURE VESSELS** Page Range: p.227-232 Author(s): Lei Zu; Sotiris Koussios; Adriaan Beukers; Dinghua Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102131&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Filament wound isotensoidal structures are recently gaining more attention for designing composite pressure vessels. In this paper we present the governing equation for creating geodesic-isotensoids based on the netting theory and geodesic winding law. The feasible intervals of the isotensoid-based design are also determined. The isotensoid-based dome profiles are determined by solving the governing equation with geometrical and initial winding conditions. When the applied axial load reaches a certain magnitude, the isotensoidal toroids can be obtained by forcing the isotensoid-based dome profile to become closed. The comparisons of the cross-sectional shapes between the isotensoidal dome and the hemispherical dome, and between the isotensoidal toroid and the circular toroid, are performed to demonstrate the preferable performance of the isotensoids. It is concluded that the isotensoid-based design leads to uniform fibre tension throughout the whole shell and the resulting structure can thus be considered as optimal for a pressure vessel. In addition, the isotensoid-based profiles show lower aspect ratios than the conventional vessel profiles under the given volume and internal pressure. Therefore the structural performance and the conformability to limited-height storage space of pressure vessels can be improved using the isotensoid-based design. 23 Refs. --- --- Source: https://polymerjournals.com/a-study-on-the-nondestructive-evaluation-of-carbon-carbon-brake-disks-using-infrared-thermography/ # A STUDY ON THE NONDESTRUCTIVE EVALUATION OF CARBON/ CARBON BRAKE DISKS USING INFRARED THERMOGRAPHY > Title: A STUDY ON THE NONDESTRUCTIVE EVALUATION OF CARBON/ CARBON BRAKE DISKS USING INFRARED THERMOGRAPHY Page Range: p.233-240 Author(s): Hee Jae Shin; In Pyo Cha; Min Sang Lee; Sun Ho Ko; Hong Gun Kim; Lee Ku Kwac File size: Download the pdf... Canonical URL: https://polymerjournals.com/a-study-on-the-nondestructive-evaluation-of-carbon-carbon-brake-disks-using-infrared-thermography/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A STUDY ON THE NONDESTRUCTIVE EVALUATION OF CARBON/ CARBON BRAKE DISKS USING INFRARED THERMOGRAPHY** Page Range: p.233-240 Author(s): Hee Jae Shin; In Pyo Cha; Min Sang Lee; Sun Ho Ko; Hong Gun Kim; Lee Ku Kwac File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102132&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Carbon/carbon brake disks that use carbon fibres impregnated in a carbon matrix are widely utilized in aircrafts and automobiles owing to their high strength, high heat conductivity, low density, and excellent overall mechanical properties. Carbon/carbon brake disks are high cost products and require multi-process manufacturing. The safety and material efficiency of defective products reduces significantly and nondestructive testing is required to monitor the quality, homogeneity, and integrity of the material. In general, radiographic evaluations pose safety problems owing to the use of radiation in such evaluations and ultrasonic flaw detection is difficult to use because of its dependence on the surface of the specimen. This study uses an infrared thermography camera technique, which is not influenced by the sample surface, to monitor the heterogeneity of materials during the manufacturing process and to thus prove the reliability of the method. 15 Refs. --- --- Source: https://polymerjournals.com/crystallization-behavior-of-thermotropic-liquid-crystalline-polymer-reinforced-polyamide-66-in-situ-composites/ # CRYSTALLIZATION BEHAVIOR OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER REINFORCED POLYAMIDE 66 IN SITU COMPOSITES > Title: CRYSTALLIZATION BEHAVIOR OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER REINFORCED POLYAMIDE 66 IN SITU COMPOSITES Page Range: p.241-246 Author(s): Qunfeng Yue; Chuncheng Zhu; Shengrong Yang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/crystallization-behavior-of-thermotropic-liquid-crystalline-polymer-reinforced-polyamide-66-in-situ-composites/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CRYSTALLIZATION BEHAVIOR OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER REINFORCED POLYAMIDE 66 IN SITU COMPOSITES** Page Range: p.241-246 Author(s): Qunfeng Yue; Chuncheng Zhu; Shengrong Yang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102133&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** This paper studies the non-isothermal crystallisation kinetics of polyamide 66 (PA66) and thermal liquid crystal polymer (TLCP) in situ composites with contents of TLCP is 1 wt.% by differential scanning calorimetry (DSC) at various cooling rates. The results show that TLCP acts as nucleator for PA66 matrix accelerating the crystallisation. It is speculated, from Avrami exponent and Liu method, that there is a strong hydrogen bonds between -NH-, -CO- groups of PA66 and -COOH and/or -OH groups of TLCP. Kissinger method is employed to obtain the activation energy of the crystallisation process and the results indicated that the addition of TLCP may entice the crystallisation of PA66 matrix. 10 Refs. --- --- Source: https://polymerjournals.com/hemp-reinforced-composites-with-alkalization-and-acetylation-fibre-treatments/ # HEMP REINFORCED COMPOSITES WITH ALKALIZATION AND ACETYLATION FIBRE TREATMENTS > Title: HEMP REINFORCED COMPOSITES WITH ALKALIZATION AND ACETYLATION FIBRE TREATMENTS Page Range: p.247-252 Author(s): Wang H; Kabir M M; Lau K T File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/hemp-reinforced-composites-with-alkalization-and-acetylation-fibre-treatments/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HEMP REINFORCED COMPOSITES WITH ALKALIZATION AND ACETYLATION FIBRE TREATMENTS** Page Range: p.247-252 Author(s): Wang H; Kabir M M; Lau K T File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102134&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The increasing ecological and environmental concerns have led to the development of natural fibre composites. Chemical treatments are usually used to modify the surface of fibre to improve the bonding between fibre and resin. Alkalization and acetylation were used in this study to treat the hemp fibre. It was found that the chemical treatments remove the impurity and lignin, increasing the cellulose content of the hemp fibre. Removal of the surface lignin and hemicelluloses also exposes more active hydroxyl groups from cellulose to react with matrix. All these lead to the increase of mechanical properties. It is also noticed that excessive treatment is detrimental to the fibre internal structure itself and weaken the fibre. 16 Refs. --- --- Source: https://polymerjournals.com/micro-geometry-modeling-based-on-monte-carlo-and-permeability-prediction-of-yarn/ # MICRO-GEOMETRY MODELING BASED ON MONTE CARLO AND PERMEABILITY PREDICTION OF YARN > Title: MICRO-GEOMETRY MODELING BASED ON MONTE CARLO AND PERMEABILITY PREDICTION OF YARN Page Range: p.253-260 Author(s): Bo Yang; Tianguo Jin File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue... Canonical URL: https://polymerjournals.com/micro-geometry-modeling-based-on-monte-carlo-and-permeability-prediction-of-yarn/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MICRO-GEOMETRY MODELING BASED ON MONTE CARLO AND PERMEABILITY PREDICTION OF YARN** Page Range: p.253-260 Author(s): Bo Yang; Tianguo Jin File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102135&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** In order to simulate the resin filling process of Liquid Composite Modelling (LCM) such as Resin Transfer Moulding (RTM) effectively, the permeability tensor field of preform is needed to be predicted accurately in advance. In the several existing micro-permeability prediction models, the fibres are assumed to be regularly arranged (quadratic or hexagonal) to simplify the flow analysis, they all ignore the randomness of the fibre distribution in yarn. The micro-permeability is a preform property depending strongly on the preform's micro-geometry, so building the micro-geometry close to the real structure is significant to predict the micro-permeability of preform. In this work, we present a Monte Carlo moving method to obtain the fibre random distribution on the front and rear cross sections of yarn segment, then build the geometry model of the yarn segment, adjust the centre path line of fibre model by Bezier method, establish the micro-geometry model of yarn close to the real structure containing both axial and radial random factors. The micro-geometry model consisting of ~100 fibres is built using the mentioned method, the fibre volume fraction varies from 0.15 to 0.90, and CFD simulations are carried out to determine their permeability values. The results show that compared to the regular fibre arrays, the disordered fibre arrays have a greater axial permeability, and two special transverse flow effects emerged as the disorder of fibre distribution, named local channelling effect and local obstructing effect. Relative to the theory predicted transverse permeability, the simulated permeability increases in the high porosity yarn as the channelling effect dominates the liquid flow, vice versa, the simulated permeability decreases in the low porosity yarn since the obstructing effect dominates the liquid flow, the simulation results agree well with the experimental ones, indicating the validity of the micro-geometry modelling method. 14 Refs. --- --- Source: https://polymerjournals.com/piezoelectric-modal-damping-performance-of-0-3-piezoelectric-composite-with-conducting-phase-numerical-analysis-and-experiments/ # PIEZOELECTRIC MODAL DAMPING PERFORMANCE OF 0-3 PIEZOELECTRIC COMPOSITE WITH CONDUCTING PHASE: NUMERICAL ANALYSIS AND EXPERIMENTS > Title: PIEZOELECTRIC MODAL DAMPING PERFORMANCE OF 0-3 PIEZOELECTRIC COMPOSITE WITH CONDUCTING PHASE: NUMERICAL ANALYSIS AND EXPERIMENTS Page Range: p.261-268 Author(s): Hongming Zhang; Xiaodong He; Fan Yang; Lifeng Hao; Zhonghai Xu; Rongguo Wang File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/piezoelectric-modal-damping-performance-of-0-3-piezoelectric-composite-with-conducting-phase-numerical-analysis-and-experiments/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PIEZOELECTRIC MODAL DAMPING PERFORMANCE OF 0-3 PIEZOELECTRIC COMPOSITE WITH CONDUCTING PHASE: NUMERICAL ANALYSIS AND EXPERIMENTS** Page Range: p.261-268 Author(s): Hongming Zhang; Xiaodong He; Fan Yang; Lifeng Hao; Zhonghai Xu; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102136&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The piezoelectric modal damping performance of 0-3 piezoelectric composite is discussed in this paper. The piezoelectric damping consisting of PZT piezoelectric ceramic, epoxy (EP) and electric carbon black (CB) is analysed by a numerical prediction method. The finite element analysis (FEA) method is used to predict the effective property of the 0-3 piezoelectric composites. And then the shunted piezoelectric theory is applied to predict the piezoelectric modal damping of 0-3 piezoelectric composites. The results show that the numerical results are accurate to predict the piezoelectric modal damping compared to the experimental results. Doping appropriate amount of CB can improve the damping of 0-3 piezoelectric composite. This work will help to predict the value of piezoelectric modal damping of the 0-3 piezoelectric composite and to optimize the damping design. 14 Refs. --- --- Source: https://polymerjournals.com/interfacial-properties-of-nano-silica-modified-cfrps-under-cryogenic-condition/ # INTERFACIAL PROPERTIES OF NANO-SILICA MODIFIED CFRPS UNDER CRYOGENIC CONDITION > Title: INTERFACIAL PROPERTIES OF NANO-SILICA MODIFIED CFRPS UNDER CRYOGENIC CONDITION Page Range: p.269-274 Author(s): Rongguo Wang; Chengwei Zhang; Lifeng Hao; Weicheng Jiao; Fan Yang; Wenbo Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/interfacial-properties-of-nano-silica-modified-cfrps-under-cryogenic-condition/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERFACIAL PROPERTIES OF NANO-SILICA MODIFIED CFRPS UNDER CRYOGENIC CONDITION** Page Range: p.269-274 Author(s): Rongguo Wang; Chengwei Zhang; Lifeng Hao; Weicheng Jiao; Fan Yang; Wenbo Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102137&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The change of interface performance between carbon-fibre and matrix resin influence the properties of carbon fibre reinforce polymer composites (CFRPs) when temperature was changed from room temperature to cryogenic conditions. In order to find the interfacial properties of epoxy/nano-silica matrix CFRPs under cryogenic conditions, the interfacial shear strength (IFSS) and the interlaminar shear strength (ILSS) were investigated at room temperatures and 77K respectively. The morphology of fractured interface was investigated by scanning electron microscope (SEM). The results show that there are higher mechanical properties of interface at 77K condition. 11 Refs. --- --- Source: https://polymerjournals.com/structural-design-and-multi-objective-evaluation-of-composite-bladed-propeller/ # STRUCTURAL DESIGN AND MULTI-OBJECTIVE EVALUATION OF COMPOSITE BLADED PROPELLER > Title: STRUCTURAL DESIGN AND MULTI-OBJECTIVE EVALUATION OF COMPOSITE BLADED PROPELLER Page Range: p.275-282 Author(s): Hong Y; Hao L F; Wang P C; Liu W B; Zhang H M; Wang R G File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/structural-design-and-multi-objective-evaluation-of-composite-bladed-propeller/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURAL DESIGN AND MULTI-OBJECTIVE EVALUATION OF COMPOSITE BLADED PROPELLER** Page Range: p.275-282 Author(s): Hong Y; Hao L F; Wang P C; Liu W B; Zhang H M; Wang R G File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102138&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** This paper describes the work to design a composite bladed marine propeller. The hydrodynamic load and the nonlinear structural responses are predicted by the coupled FEM/CFD method. A pre-twist strategy is used to determine a new geometry of the composite bladed propeller for improving the hydrodynamic performance. Different material schemes and symmetric stacking sequences are considered as the design parameters. An evaluation method of multi-objective function is presented for optimizing the strength, deflection and mass at design conditions. Numerical results are obtained and the optimal design scheme of the composite bladed propeller is obtained. 15 Refs. --- --- Source: https://polymerjournals.com/effect-of-fiber-surface-on-the-interfacial-properties-for-carbon-fiber-reinforced-polymer-composites/ # EFFECT OF FIBER SURFACE ON THE INTERFACIAL PROPERTIES FOR CARBON FIBER REINFORCED POLYMER COMPOSITES > Title: EFFECT OF FIBER SURFACE ON THE INTERFACIAL PROPERTIES FOR CARBON FIBER REINFORCED POLYMER COMPOSITES Page Range: p.283-288 Author(s): Wenbo Liu; Shu Zhang; Lifeng Hao; Xueying Zhao; Weicheng Jiao; Fan Yang; Rongguo Wang File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/effect-of-fiber-surface-on-the-interfacial-properties-for-carbon-fiber-reinforced-polymer-composites/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF FIBER SURFACE ON THE INTERFACIAL PROPERTIES FOR CARBON FIBER REINFORCED POLYMER COMPOSITES** Page Range: p.283-288 Author(s): Wenbo Liu; Shu Zhang; Lifeng Hao; Xueying Zhao; Weicheng Jiao; Fan Yang; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102139&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** We studied the effect of carbon-fibre surface on interfacial properties of carbon fibre reinforced plastic composites. Surface morphology and chemical composition of T-Series carbon fibres made in Japan were analysed by scanning electron microscope and X-Ray photoelectron spectra. The wettability between carbon fibres and epoxy resin was characterized by dynamic contact angle testing. The interfacial shear strength was obtained by microbond testing, and the destruction morphology of the interface observed that was used to determine the failure mechanism. 16 Refs. --- --- Source: https://polymerjournals.com/experimental-study-of-the-electrical-resistivity-of-glass-carbon-epoxy-hybrid-composites/ # EXPERIMENTAL STUDY OF THE ELECTRICAL RESISTIVITY OF GLASS-CARBON/EPOXY HYBRID COMPOSITES > Title: EXPERIMENTAL STUDY OF THE ELECTRICAL RESISTIVITY OF GLASS-CARBON/EPOXY HYBRID COMPOSITES Page Range: p.289-292 Author(s): Xin Liu; Zhanjun Wu; Rongguo Wang; Jia Yan File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/experimental-study-of-the-electrical-resistivity-of-glass-carbon-epoxy-hybrid-composites/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXPERIMENTAL STUDY OF THE ELECTRICAL RESISTIVITY OF GLASS-CARBON/EPOXY HYBRID COMPOSITES** Page Range: p.289-292 Author(s): Xin Liu; Zhanjun Wu; Rongguo Wang; Jia Yan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102140&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The electrical resistivity of composite materials varies with the changing of structural parameters, and this feature could be used to improve their electromagnetic wave absorbing property. This work investigated the electrical resistivity of hybrid composites aiming at radar absorbing structures. The glass-carbon/epoxy hybrid composites with different structural parameters were prepared by filament winding machine. And the effects of hybrid style, hybrid ratio, curing pressure, fibre distribution and fibre orientation on electrical resistivity were tested. As the test results shown, firstly, the electrical resistivity of interlaminated hybrid composites is larger than that of intraply hybrid composite; secondly, the electrical resistivity of hybrid composite is inversely proportional to the content of carbon fibre; thirdly, the electrical resistivity of hybrid composite with carbon fibre homogeneous distribution is larger than that of hybrid composite with inhomogeneous distribution; finally, the electrical resistivity of hybrid composite would decrease with the curing pressure increasing. Interestingly, there are similar rules in the vertical and parallel direction of the fibres. These results are helpful to control and adjust the electrical resistivity of glass-carbon/epoxy hybrid composites. 11 Refs. --- --- Source: https://polymerjournals.com/tensile-properties-of-epoxy-with-microcapsules-and-imidazoline-derivatives-curing-agent-and-interlaminar-self-healing-properties-of-carbon-fiber-reinforced-epoxy-composites/ # TENSILE PROPERTIES OF EPOXY WITH MICROCAPSULES AND IMIDAZOLINE DERIVATIVES CURING AGENT AND INTERLAMINAR SELF-HEALING PROPERTIES OF CARBON FIBER REINFORCED EPOXY COMPOSITES > Title: TENSILE PROPERTIES OF EPOXY WITH MICROCAPSULES AND IMIDAZOLINE DERIVATIVES CURING AGENT AND INTERLAMINAR SELF-HEALING PROPERTIES OF CARBON FIBER REINFORCED EPOXY COMPOSITES Page Range: p.293-298 Author(s): Honglin Hu; Lifeng Hao; Rongguo Wang; Wenbo Liu; Fan Yang; Weicheng Jiao; Zhonghai Xu File size:... Canonical URL: https://polymerjournals.com/tensile-properties-of-epoxy-with-microcapsules-and-imidazoline-derivatives-curing-agent-and-interlaminar-self-healing-properties-of-carbon-fiber-reinforced-epoxy-composites/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE PROPERTIES OF EPOXY WITH MICROCAPSULES AND IMIDAZOLINE DERIVATIVES CURING AGENT AND INTERLAMINAR SELF-HEALING PROPERTIES OF CARBON FIBER REINFORCED EPOXY COMPOSITES** Page Range: p.293-298 Author(s): Honglin Hu; Lifeng Hao; Rongguo Wang; Wenbo Liu; Fan Yang; Weicheng Jiao; Zhonghai Xu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102141&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Microcapsules are inevitable defects in the resin matrix, which would greatly influence on mechanical performance of structural material. Therefore, a balance value of microcapsule's content between self-healing properties and mechanical properties should be provided for fabricating adequate self-healing materials. Epoxy resin with epoxy-containing microcapsules and latent hardener 2MZ-AZINE, and carbon fibre reinforced epoxy composites were prepared. The tensile properties of epoxy resin with epoxy-containing microcapsules or 2MZ-AZINE were investigated. As the increase of content of latent hardener 2MZ-AZINE, tensile modulus and tensile stress of epoxy with 2MZ-AZINE decreases. The tensile stress of epoxy samples decreases with the enhancement of content of epoxy-containing microcapsules. Tensile modulus of epoxy with microcapsules decreases with the increase of microcapsule content below 10 wt.%, and tensile modulus increases above 10 wt.%. Considering the self-healing ability of epoxy sample, the content of microcapsules and latent hardener are concluded to 15 w% and 2 w%, respectively, offering a ~24.7 MPa tensile stress. The maximum interlaminar self-healing efficiency in this research is only 31.98% recovery of interlaminar tensile stress (epoxy resin matrix with 15 w% microcapsule and 2 w% latent hardener 2MZ-AZINE). As a consequence, this research provided the mechanical parameter for fabricating carbon fibre reinforced epoxy composite. 15 Refs. --- --- Source: https://polymerjournals.com/prediction-of-delamination-buckling-and-growth-behavior-in-laminated-composites-with-coexisting-delaminations/ # PREDICTION OF DELAMINATION BUCKLING AND GROWTH BEHAVIOR IN LAMINATED COMPOSITES WITH COEXISTING DELAMINATIONS > Title: PREDICTION OF DELAMINATION BUCKLING AND GROWTH BEHAVIOR IN LAMINATED COMPOSITES WITH COEXISTING DELAMINATIONS Page Range: p.299-308 Author(s): Fan Yang; Zhonghai Xu; Lu Zhang; Weicheng Jiao; Wenbo Liu; Xiaodong Sui; Jianguang Zhang; Rongguo Wang File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/prediction-of-delamination-buckling-and-growth-behavior-in-laminated-composites-with-coexisting-delaminations/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTION OF DELAMINATION BUCKLING AND GROWTH BEHAVIOR IN LAMINATED COMPOSITES WITH COEXISTING DELAMINATIONS** Page Range: p.299-308 Author(s): Fan Yang; Zhonghai Xu; Lu Zhang; Weicheng Jiao; Wenbo Liu; Xiaodong Sui; Jianguang Zhang; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102142&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Finite element method (FEM) using cohesive element is developed to predict delamination buckling and growth behaviour in laminated composites with coexisting delaminations under compressive loading. It is shown that the buckling behaviour of coexisting delaminations is far more complicated than single embedded delamination. In the course of delamination buckling and growth, a parametric study was carried out to investigate the influence of the distance between coexisting delaminations, delamination size and depth position of a series of composite plates. In particular, a three zone rule was put forwarded to define the interaction behaviour between coexisting delaminations. Moreover, it is shown that the potential of delamination growth strongly depends on the distance between coexisting delaminations. 27 Refs. --- --- Source: https://polymerjournals.com/thermal-aging-behavior-of-carbon-fiber-epoxy-composites-at-high-temperature/ # THERMAL AGING BEHAVIOR OF CARBON FIBER/EPOXY COMPOSITES AT HIGH TEMPERATURE > Title: THERMAL AGING BEHAVIOR OF CARBON FIBER/EPOXY COMPOSITES AT HIGH TEMPERATURE Page Range: p.309-312 Author(s): Rongguo Wang; Long Jiang; Zhonghai Xu; Fan Yang; Lifeng Hao; Weicheng Jiao; Wenbo Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/thermal-aging-behavior-of-carbon-fiber-epoxy-composites-at-high-temperature/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL AGING BEHAVIOR OF CARBON FIBER/EPOXY COMPOSITES AT HIGH TEMPERATURE** Page Range: p.309-312 Author(s): Rongguo Wang; Long Jiang; Zhonghai Xu; Fan Yang; Lifeng Hao; Weicheng Jiao; Wenbo Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102143&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** To investigate the thermal ageing mechanism of carbon fibre/epoxy composites under high temperature (around 110 deg C), the present study examined the inter-laminar shear properties and curing degree. Experimental results showed the inter-laminar shear strength of carbon fibre/Epoxy composites firstly increased following with the ageing time increase which caused by secondary cure, then reduced for long-term of thermal stresses. Fourier transform infrared spectroscopy analysis revealed that the hydroxy functional groups had a certain growth which confirmed that secondary cure occurred during thermal ageing. Electron paramagnanetic resonance results indicated that the increase of the intensity of free-radicals may cause by the chain breaking. Also scanning electron microscopy (SEM) images of fracture surface indicated that carbon fibre and matrix had well combination, which contributed to the better residual shear properties. 7 Refs. --- --- Source: https://polymerjournals.com/research-on-numerical-simulation-of-heating-process-optimization-of-heated-mandrel-winding-method/ # RESEARCH ON NUMERICAL SIMULATION OF HEATING PROCESS OPTIMIZATION OF HEATED-MANDREL WINDING METHOD > Title: RESEARCH ON NUMERICAL SIMULATION OF HEATING PROCESS OPTIMIZATION OF HEATED-MANDREL WINDING METHOD Page Range: p.313-322 Author(s): Xu Jiazhong; Wang Rongguo; Qiao Ming; Yu Ying File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/research-on-numerical-simulation-of-heating-process-optimization-of-heated-mandrel-winding-method/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RESEARCH ON NUMERICAL SIMULATION OF HEATING PROCESS OPTIMIZATION OF HEATED-MANDREL WINDING METHOD** Page Range: p.313-322 Author(s): Xu Jiazhong; Wang Rongguo; Qiao Ming; Yu Ying File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102144&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The heated-mandrel winding method (HMWM) is a new technology. However, the trial-and-error method usually used is not universally adopted in the manufacturing process of shells that have different shapes and performance requirements. Determining the heating process for the HMWM based on theoretical analysis has become an immediate problem. In this paper, a numerical simulation program for the HMWM is developed using the finite element software ANSYS and the programming language APDL. The entire process, which starts with the winding process and ends with the complete curing, is numerically simulated. The temperature distribution and change law, curing degree, and reactive calorific intensity are analysed. The relationship between the heating process and the outer surface temperature changes of the composite shell is derived based on the principle of temperature control in the HMWM. The heating process is optimized in accordance with the analysis, and the experimental results show that, based on the optimized heating process, the outer surface temperature range of the shell can be controlled during the winding process. Furthermore, the complex interactions among the temperature, curing degree, film coefficient, and heat transfer coefficient of the composite are investigated. This provides the basis for the technology optimisation based on theoretical considerations. 17 Refs. --- --- Source: https://polymerjournals.com/optimal-design-of-lightweight-composite-pressure-vessel-by-using-artificial-immune-algorithm/ # OPTIMAL DESIGN OF LIGHTWEIGHT COMPOSITE PRESSURE VESSEL BY USING ARTIFICIAL IMMUNE ALGORITHM > Title: OPTIMAL DESIGN OF LIGHTWEIGHT COMPOSITE PRESSURE VESSEL BY USING ARTIFICIAL IMMUNE ALGORITHM Page Range: p.323-328 Author(s): Weicheng Jiao; Yue Niu; Lifeng Hao; Fan Yang; Wenbo Liu; Rongguo Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/optimal-design-of-lightweight-composite-pressure-vessel-by-using-artificial-immune-algorithm/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: OPTIMAL DESIGN OF LIGHTWEIGHT COMPOSITE PRESSURE VESSEL BY USING ARTIFICIAL IMMUNE ALGORITHM** Page Range: p.323-328 Author(s): Weicheng Jiao; Yue Niu; Lifeng Hao; Fan Yang; Wenbo Liu; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102145&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** This research aims to optimize the weight of composite overwrapped pressure vessel (COPV) under internal pressure. In the paper, a new design method based on the clonal selection principle in the biological immunology is proposed to solve the minimum weight problem under the burst pressure constraint. The method consists of three main parts: the non-geodesic path algorithm, variable stiffness analysis algorithm and artificial immune algorithm. A software called SimWind 1.0 was developed on the basis of this method in order to design the composite pressure vessel rapidly and efficiently. Finally, a representative carbon fibre composite pressure vessel with ultrathin Al liner was designed and fabricated by using this new design method and the software. 17 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-self-healing-carbon-fiber-epoxy-composite-stitched-with-mendable-polymer-fiber/ # MECHANICAL PROPERTIES OF SELF-HEALING CARBON FIBER-EPOXY COMPOSITE STITCHED WITH MENDABLE POLYMER FIBER > Title: MECHANICAL PROPERTIES OF SELF-HEALING CARBON FIBER-EPOXY COMPOSITE STITCHED WITH MENDABLE POLYMER FIBER Page Range: p.329-336 Author(s): Yang T; Du Y; Li Z M; Wang C H File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/mechanical-properties-of-self-healing-carbon-fiber-epoxy-composite-stitched-with-mendable-polymer-fiber/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES OF SELF-HEALING CARBON FIBER-EPOXY COMPOSITE STITCHED WITH MENDABLE POLYMER FIBER** Page Range: p.329-336 Author(s): Yang T; Du Y; Li Z M; Wang C H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102146&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Carbon fibre composites are self-healed by advance embedding of repairing agents in the composites. However, the repairing agent will influence the mechanical properties of the carbon fibre composites. In this study, poly(ethylene-co-methacrylic acid) (EMAA) filaments were stitched into carbon fibre-epoxy laminates to create a three-dimensional (3D) self-healing fibre system. Specimens with unmodified and self-healing laminates were manufactured. The mechanical properties of the carbon fibre-epoxy composite stitched with mendable polymer fibre for self-healing and unmodified laminates were compared experimentally. Results from the double cantilever beam test revealed that the stitched EMAA fibres increased the mode I interlaminar fracture toughness of the laminate by ~120%. However, short-beam shear (SBS) strength of the composite laminates with the healing agents was slightly degraded, with a 37% reduction in the average SBS strength. The compressive-after-impact assessment showed that the strength was reduced by 6.6%. C-Scan revealed the 3D inter-connected self-healing EMAA network within the composite laminates. 25 Refs. --- --- Source: https://polymerjournals.com/healing-carbon-fiber-polymer-interface-by-resistive-heating/ # HEALING CARBON FIBER/POLYMER INTERFACE BY RESISTIVE HEATING > Title: HEALING CARBON FIBER/POLYMER INTERFACE BY RESISTIVE HEATING Page Range: p.337-340 Author(s): Rongguo Wang; Zhenxing Cao; Lifeng Hao; Weicheng Jiao; Fan Yang; Wenbo Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/healing-carbon-fiber-polymer-interface-by-resistive-heating/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HEALING CARBON FIBER/POLYMER INTERFACE BY RESISTIVE HEATING** Page Range: p.337-340 Author(s): Rongguo Wang; Zhenxing Cao; Lifeng Hao; Weicheng Jiao; Fan Yang; Wenbo Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102147&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Interface is the key region which determines, to a great extent, the set of properties of all heterogeneous systems, including composite materials. We reported interface healing of carbon fibre reinforced thermoplastic composite material via resistive heating. The carbon fibre, T700 carbon fibre, with a resistivity of 1.66 x 10-3 -(.)cm was used as the heating element while the matrix is polyarylether sulphone with cardo. Micro-droplet experiment was used to study the interface strength before and after heating to determine the healing efficiency. The measurement shows (experimental results show) that resistive heating is an efficient way to heal cracks near interface. 8 Refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-mdi-based-polyester-polyurethane-elastomer/ # PREPARATION AND PROPERTIES OF MDI-BASED POLYESTER POLYURETHANE ELASTOMER > Title: PREPARATION AND PROPERTIES OF MDI-BASED POLYESTER POLYURETHANE ELASTOMER Page Range: p.341-346 Author(s): Feng Yuan; Wenbo Liu; Fan Yang; Zhenqiang Zhu; Lifeng Hao; Jian Zhang; Weicheng Jiao; Rongguo Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-mdi-based-polyester-polyurethane-elastomer/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF MDI-BASED POLYESTER POLYURETHANE ELASTOMER** Page Range: p.341-346 Author(s): Feng Yuan; Wenbo Liu; Fan Yang; Zhenqiang Zhu; Lifeng Hao; Jian Zhang; Weicheng Jiao; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102148&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** Polyurethane has been usually used as protective coating on structures, with an important mechanism being the impact-induced transition of the rubber to the glassy state. The better the mechanical property, the greater the mechanical loss, the wider the Tg range, and the Tg is more close to, but less than, the operating temperature, the better the protective coating. Here, the pre-polymer method is adopted to synthesize MDI-based polyester polyurethane (TPU) which has different hard segment contents. The influence of the hard segment content on the relevant performance of TPU is investigated. With the increase of the hard segment content, the tensile strength, Tg of the soft segment phase and the mechanical loss increase, while the viscosity of reaction solution increases rapidly, the elongation at break declines sharply, and the range of the Tg becomes narrower and narrower. Therefore, in order to obtain excellent protective coating, the hard segment content should not be too high. Testing proves 16.18% hard segment content to be most effective. 14 Refs. --- --- Source: https://polymerjournals.com/simulation-and-experimental-study-on-micro-crack-toughening-mechanism-for-attapulgite-epoxy-nanocomposite/ # SIMULATION AND EXPERIMENTAL STUDY ON MICRO-CRACK TOUGHENING MECHANISM FOR ATTAPULGITE/EPOXY NANOCOMPOSITE > Title: SIMULATION AND EXPERIMENTAL STUDY ON MICRO-CRACK TOUGHENING MECHANISM FOR ATTAPULGITE/EPOXY NANOCOMPOSITE Page Range: p.347-354 Author(s): Jian Zhang; Wen-bo Liu; Lifeng Hao; Feng Yuan; Zhonghai Xu; Fan Yang; Rongguo Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/simulation-and-experimental-study-on-micro-crack-toughening-mechanism-for-attapulgite-epoxy-nanocomposite/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SIMULATION AND EXPERIMENTAL STUDY ON MICRO-CRACK TOUGHENING MECHANISM FOR ATTAPULGITE/EPOXY NANOCOMPOSITE** Page Range: p.347-354 Author(s): Jian Zhang; Wen-bo Liu; Lifeng Hao; Feng Yuan; Zhonghai Xu; Fan Yang; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102149&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The main purpose of this article is to study the effect of adding attapulgite nanoparticle into the polymer on micro-crack toughing. Commercial softwares Abaqus and ANSYS were utilized to simulate the stress field and the crack expanding condition in the attapulgite/epoxy composite. The pure polymer and the nanoparticle modified polymer were prepared to investigate the effect of the nanoparticle on the crack conditions of the composite. The simulation results showed that the nanoparticle enhanced the polymer by the stress field concentration around the nanoparticle which consumed more energy, made the matrix absorb less deformation energy, and hindered the extension of crack. The result of tensile experiment indicated that the tensile property was improved by adding nanoparticle into epoxy polymer. The Scan Electric Microscope image of the fracture surface indicated that the nanoparticle changed the fracture mechanism of the composite. 10 Refs. --- --- Source: https://polymerjournals.com/non-isothermal-simulation-of-resin-transfer-molding-process-with-edge-effect/ # NON-ISOTHERMAL SIMULATION OF RESIN TRANSFER MOLDING PROCESS WITH EDGE EFFECT > Title: NON-ISOTHERMAL SIMULATION OF RESIN TRANSFER MOLDING PROCESS WITH EDGE EFFECT Page Range: p.355-360 Author(s): Yanyu Ding; Yuxi Jia; Shuhua Dong; Yihan Xu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/non-isothermal-simulation-of-resin-transfer-molding-process-with-edge-effect/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NON-ISOTHERMAL SIMULATION OF RESIN TRANSFER MOLDING PROCESS WITH EDGE EFFECT** Page Range: p.355-360 Author(s): Yanyu Ding; Yuxi Jia; Shuhua Dong; Yihan Xu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102150&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** The resin infiltration stage during the resin transfer moulding process is complicated, which involves the edge effect, resin curing reaction and heat transfer phenomenon. In this paper, considering the edge effect, the integrated investigation on curing reaction, physical property, two-dimensional resin flow and three-dimensional temperature distribution is implemented in theory and numerical simulation. And then the evolution of coupling physical fields, such as resin temperature, curing degree and resin viscosity, is analysed numerically. The present study is helpful for understanding the complex relationships among a variety of parameters during the reactive filling process. 12 Refs. --- --- Source: https://polymerjournals.com/study-on-mechanical-behaviors-of-variable-stiffness-composite-laminates/ # STUDY ON MECHANICAL BEHAVIORS OF VARIABLE-STIFFNESS COMPOSITE LAMINATES > Title: STUDY ON MECHANICAL BEHAVIORS OF VARIABLE-STIFFNESS COMPOSITE LAMINATES Page Range: p.361-368 Author(s): Xu Zhonghai; Liu Zhe; Lv Xiaojing; Ma Hongtao; Hao Lifeng; Jiao Weicheng; Yang Fan; Wang Rongguo File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/study-on-mechanical-behaviors-of-variable-stiffness-composite-laminates/ Published: 2014-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON MECHANICAL BEHAVIORS OF VARIABLE-STIFFNESS COMPOSITE LAMINATES** Page Range: p.361-368 Author(s): Xu Zhonghai; Liu Zhe; Lv Xiaojing; Ma Hongtao; Hao Lifeng; Jiao Weicheng; Yang Fan; Wang Rongguo File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-3&JournalID=102151&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 3 **Abstract** In this paper, we study the mechanical behaviours of variable-stiffness composite laminates by setting curvilinear fibre paths. We assume that the fibre orientation angles vary linearly with the reference axis. Based on the different fibre paths, we vary the fibre placement formats and the curvilinear fibre orientation angles of the composite laminates, and then make the simulation for the buckling loads of the three kinds of laminates: the straight fibre placement, the curvilinear fibre placement and the mixed fibre placement. By comparing and analysing, we give the best fibre placement format and the curvilinear fibre orientation angle. The study provides references to the design of variable-stiffness composite laminates. 15 Refs. --- --- Source: https://polymerjournals.com/flame-retardant-composite-of-fibre-glass-reinforced-epoxy-waste-particles-polypropylene-and-its-modeling/ # Flame retardant composite of fibre glass-reinforced epoxy waste particles/polypropylene and its modeling > Title: Flame retardant composite of fibre glass-reinforced epoxy waste particles/polypropylene and its modeling Page Range: p.119-130 Author(s): Onuoha F N; Ohanuzue C B C Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume:... Canonical URL: https://polymerjournals.com/flame-retardant-composite-of-fibre-glass-reinforced-epoxy-waste-particles-polypropylene-and-its-modeling/ Published: 2014-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Flame retardant composite of fibre glass-reinforced epoxy waste particles/polypropylene and its modeling** ![](http://apc.jpg)Page Range: p.119-130 Author(s): Onuoha F N; Ohanuzue C B C ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.3 **Abstract** Fibreglass reinforced epoxy (FGRE) composite wastes particles reinforced polypropylene has been developed and its modelling has been performed. FGRE wastes were ground and treated with latex to reduce itching of fibreglass and then dried and reground to obtain the powdered particulates that were used as reinforcements for polypropylene. The reinforcements have been size-classified as 150, 200, 250 and 300 microns and the composites have been injection moulded. Heat release rate and other flame properties have been evaluated by Oxygen Bomb Calorimeter. Ignition time, flame propagation rate, combustion time, heat of combustion and heat release rate have been measured. Results indicate that ignition time, combustion time and heat of combustion increase with increase in the amounts of FGRE particulate reinforcements, but the flame propagation rate and heat release rate decrease. FGRE waste particles give outstanding ignition time with increasing reinforcement contents in the composites, and therefore use of FGRE waste as reinforcement material in place of cheese wood fibre in polyolefin would help reduce deforestation and add value to the economy. Models have been developed. 9 Refs. --- Source: https://polymerjournals.com/coated-multiwall-carbon-nano-tube-reinforced-epoxy-composite-with-zinc-borate-additive-and-its-flame-retarding-properties/ # Coated multiwall carbon nano tube reinforced epoxy composite with zinc borate additive and its flame retarding properties > Title: Coated multiwall carbon nano tube reinforced epoxy composite with zinc borate additive and its flame retarding properties Page Range: p.131-140 Author(s): Deepak Kumar; Pandey K N; Vishal Verma; Mishra R M File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/coated-multiwall-carbon-nano-tube-reinforced-epoxy-composite-with-zinc-borate-additive-and-its-flame-retarding-properties/ Published: 2014-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Coated multiwall carbon nano tube reinforced epoxy composite with zinc borate additive and its flame retarding properties** Page Range: p.131-140 Author(s): Deepak Kumar; Pandey K N; Vishal Verma; Mishra R M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102318&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.3 **Abstract** Composites of epoxy reinforced by polycarbosilane derived -silicon carbide coated multi wall carbon nano tubes (PCS-MWCNT) with zinc borate additive have been developed. With increasing reinforcement material, the composites exhibit decrease in tensile strength, flexural strength and impact strength but show an increase in tensile modulus, flexural modulus and thermal stability. SEM shows uniform and homogeneous dispersion of PCS-MWCNTs throughout the epoxy matrix. Flame retarding properties and limiting oxygen index of the composites improves with addition of zinc borate. 21 Refs. --- --- Source: https://polymerjournals.com/polypropylene-wood-flour-and-wheat-husk-hybrid-composites/ # Polypropylene/wood flour and wheat husk hybrid composites > Title: Polypropylene/wood flour and wheat husk hybrid composites Page Range: p.141-150 Author(s): Pradeep Upadhyaya; Manoj Garg; Smita Mathur; Vijai Kumar; Nema A K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume:... Canonical URL: https://polymerjournals.com/polypropylene-wood-flour-and-wheat-husk-hybrid-composites/ Published: 2014-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Polypropylene/wood flour and wheat husk hybrid composites** Page Range: p.141-150 Author(s): Pradeep Upadhyaya; Manoj Garg; Smita Mathur; Vijai Kumar; Nema A K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-3&JournalID=102319&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.3 **Abstract** Wood flour and wheat husk have been treated using sodium hydroxide (NaOH) and benzoyl chloride and used with maleic anhydride-grafted polypropylene (MAgPP) and titanate coupling agent emulsion as reinforcement for polypropylene based hybrid composites with 10 to 50% reinforcements with equal amounts of wood flour and wheat husk. Density, melt flow index, heat deflection temperature, melting temperature and thermal degradation of the composites have been investigated along with reinforcement/matrix interactions. Density and heat deflection temperature of the composites increase with increasing contents of reinforcements, but melt flow index decreases. Melting and crystallisation temperatures are almost the same as those of the matrix. 18 Refs. --- --- Source: https://polymerjournals.com/chitosan-reinforced-bisphenol-a-glycidyldimethacrylate-bisgma-polyvinyl-pyrrolidone-pvp-blend-based-composites/ # Chitosan reinforced bisphenol-A glycidyldimethacrylate (BisGMA)/polyvinyl pyrrolidone (PVP) blend based composites > Title: Chitosan reinforced bisphenol-A glycidyldimethacrylate (BisGMA)/polyvinyl pyrrolidone (PVP) blend based composites Page Range: p.151-166 Author(s): Praharaj A P; Behera D; Bastia T K; Rout A K; Rath P; Mohanty P Click Here to Download Now! - File size: (subscribers only) Journal: Applied... Canonical URL: https://polymerjournals.com/chitosan-reinforced-bisphenol-a-glycidyldimethacrylate-bisgma-polyvinyl-pyrrolidone-pvp-blend-based-composites/ Published: 2014-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Chitosan reinforced bisphenol-A glycidyldimethacrylate (BisGMA)/polyvinyl pyrrolidone (PVP) blend based composites** ![](http://apc.jpg)Page Range: p.151-166 Author(s): Praharaj A P; Behera D; Bastia T K; Rout A K; Rath P; Mohanty P ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.3 **Abstract** Chitosan (0, 10, 20, 30, 40, 50 wt%) reinforced 50/50 Bisphenol-A glycidyldimethacrylate (BisGMA)/polyvinyl pyrrolidone (PVP) blend based composites have been processed. Their tensile strength, Young's modulus, impact strength and hardness increase with increasing loading of chitosan, reach an optimum at 40 wt% and thereafter decrease with further increase in chitosan loading, whereas elongation at break decreases with chitosan content. Chemical resistance and ageing studies of the composites have been reported. 34 Refs. --- Source: https://polymerjournals.com/coconut-fiber-reinforced-high-density-polyethylene-composites-by-compatibilizer-process/ # Coconut fiber reinforced high density polyethylene composites by compatibilizer process > Title: Coconut fiber reinforced high density polyethylene composites by compatibilizer process Page Range: p.167-176 Author(s): Anshu Anjali Singh; Kishor Biswas; Dinesh Priyanka; Sanjay Palsule Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume:... Canonical URL: https://polymerjournals.com/coconut-fiber-reinforced-high-density-polyethylene-composites-by-compatibilizer-process/ Published: 2014-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: Coconut fiber reinforced high density polyethylene composites by compatibilizer process** ![](http://apc.jpg)Page Range: p.167-176 Author(s): Anshu Anjali Singh; Kishor Biswas; Dinesh Priyanka; Sanjay Palsule ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1180399.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.3 **Abstract** Coconut fibre (CNF) reinforced high density polyethylene (HDPE) composites have been processed using maleic anhydride grafted high density polyethylene as compatibilisers by twin extrusion and injection moulding. Successful formation of the CNF/HDPE composites - evident from increasing mechanical properties of composites with increasing CNF in them - appears to have resulted from good fibre/matrix interfacial adhesion in CNF/HDPE composites due to the use of 1.2% maleic anhydride grafted high density polyethylene (MA-g-HDPE) as a compatibilisers. Mechanical properties of the composites decrease after moisture absorption. 10 Refs. --- Source: https://polymerjournals.com/experimental-study-on-the-behavior-of-a-new-multilayer-shield-against-hypervelocity-debris-impact/ # EXPERIMENTAL STUDY ON THE BEHAVIOR OF A NEW MULTILAYER SHIELD AGAINST HYPERVELOCITY DEBRIS IMPACT > Title: EXPERIMENTAL STUDY ON THE BEHAVIOR OF A NEW MULTILAYER SHIELD AGAINST HYPERVELOCITY DEBRIS IMPACT Page Range: p.99-104 Author(s): Miao Changqing; Liu Bo File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/experimental-study-on-the-behavior-of-a-new-multilayer-shield-against-hypervelocity-debris-impact/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXPERIMENTAL STUDY ON THE BEHAVIOR OF A NEW MULTILAYER SHIELD AGAINST HYPERVELOCITY DEBRIS IMPACT** Page Range: p.99-104 Author(s): Miao Changqing; Liu Bo File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102089&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** To protect the spacecraft from hypervelocity impact of the space debris, a new kind of multilayer shield laminated of aluminium layers and CFRP layers was designed and investigated. Three different shields with the same area density were manufactured, including single aluminium alloy layer, single CFRP layer, and multilayer of aluminium/CFRP. The hypervelocity impact experiment was carried, in which the hypervelocity projectile was launched by a two-stage light gas gun. To compare the hypervelocity impact behaviour and evaluate the protection ability of the different shields, the area and depth of the projectile pits were analysed. The experiments results show that the protection effect of the multilayer shield laminated of aluminium/CFRP layers is better than the single aluminium layer or the single CFRP layer, though they are in the same area density. 10 Refs. --- --- Source: https://polymerjournals.com/characterization-of-strength-of-carbon-fiber-reinforced-polymer-composite-based-on-micromechanics/ # CHARACTERIZATION OF STRENGTH OF CARBON FIBER REINFORCED POLYMER COMPOSITE BASED ON MICROMECHANICS > Title: CHARACTERIZATION OF STRENGTH OF CARBON FIBER REINFORCED POLYMER COMPOSITE BASED ON MICROMECHANICS Page Range: p.105-116 Author(s): Wangnan Li; Hongneng Cai; Jie Zheng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/characterization-of-strength-of-carbon-fiber-reinforced-polymer-composite-based-on-micromechanics/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION OF STRENGTH OF CARBON FIBER REINFORCED POLYMER COMPOSITE BASED ON MICROMECHANICS** Page Range: p.105-116 Author(s): Wangnan Li; Hongneng Cai; Jie Zheng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102090&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Micro-mechanics of failure (MMF) is a micromechanics-based failure criterion for composites, which can be applied to characterize the composite strength accurately and reliably. The strength and mechanical properties of unidirectional laminate are measured by the static tensile loading and compressive loading tests as well as three points bending test. The micromechanics model is proposed to amplify the detailed mechanical and residual thermal stresses for the key points in the fibres and matrix. The critical MMF parameters are characterized by using the stress amplification factors and the measured strengths of unidirectional laminate. The carbon fibres reinforced plastic UTS50/E51 is used to demonstrate the application of MMF theory. The failure envelopes are constructed and compared on the basis of the MMF theory and Tsai-Wu failure theory. The failure mechanism and static tensile strength of quasi-isotropic laminate of polymer composites is studied based on MMF. The UTS50/E51 CFRP is used to demonstrate the application of theory of MMF. 14 Refs. --- --- Source: https://polymerjournals.com/the-effects-of-particle-size-on-the-morphology-and-properties-of-polyimide-nano-al2o3-composite-films/ # THE EFFECTS OF PARTICLE SIZE ON THE MORPHOLOGY AND PROPERTIES OF POLYIMIDE/NANO-AL2O3 COMPOSITE FILMS > Title: THE EFFECTS OF PARTICLE SIZE ON THE MORPHOLOGY AND PROPERTIES OF POLYIMIDE/NANO-AL2O3 COMPOSITE FILMS Page Range: p.117-122 Author(s): Lizhu Liu; Hui Shi; Ling Weng; Jun Ding; Weiwei Cui File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/the-effects-of-particle-size-on-the-morphology-and-properties-of-polyimide-nano-al2o3-composite-films/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECTS OF PARTICLE SIZE ON THE MORPHOLOGY AND PROPERTIES OF POLYIMIDE/NANO-AL2O3 COMPOSITE FILMS** Page Range: p.117-122 Author(s): Lizhu Liu; Hui Shi; Ling Weng; Jun Ding; Weiwei Cui File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102091&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Polyimide/nano-sized Al2O3 composite films based on pyromellitic dianhydride(PMDA) and 4,4'-oxydianiline(ODA) were synthesised by incorporation with different particle sizes of nano-Al2O3 via in situ polymerisation. The morphology and structure of composite films were studied by scanning electronic microscopy (SEM). The properties including the tensile strength, corona resistance, electric breakdown strength and dielectric properties were investigated. Results indicated that the size of Al2O3 nano-particles had a great effect on the microstructures of composite films. The smaller size of the Al2O3 particles, the more regularity of composite films were obtained. Properties testing results indicated that by increasing the Al2O3 particles' dimension would decrease the mechanical properties and electric breakdown strength of composite films, while the dielectric constant remain nearly stable. Results also showed that after Al2O3 addition, the corona resistance of composite films was improved, compared with that of pure PI films. The longest corona resistance time was obtained when the smallest Al2O3 particles was used, which had a three times longer than PI composite film with largest Al2O3 addition. 17 Refs. --- --- Source: https://polymerjournals.com/preparation-morphology-and-dielectric-properties-of-nano-tic-polyimide-composite-films/ # PREPARATION, MORPHOLOGY AND DIELECTRIC PROPERTIES OF NANO-TIC/POLYIMIDE COMPOSITE FILMS > Title: PREPARATION, MORPHOLOGY AND DIELECTRIC PROPERTIES OF NANO-TIC/POLYIMIDE COMPOSITE FILMS Page Range: p.123-128 Author(s): Weng Ling; Qianshan Xia; Liwen Yan; Cheng Wang; Maochang Cao; Lizhu Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/preparation-morphology-and-dielectric-properties-of-nano-tic-polyimide-composite-films/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION, MORPHOLOGY AND DIELECTRIC PROPERTIES OF NANO-TIC/POLYIMIDE COMPOSITE FILMS** Page Range: p.123-128 Author(s): Weng Ling; Qianshan Xia; Liwen Yan; Cheng Wang; Maochang Cao; Lizhu Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102092&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** A series of nano-titanium carbide doped polyimide (nano-TiC/PI) composite films were successfully prepared via in situ polymerisation. The microstructure of the obtained composite films was characterized by the scanning electron microscopy (SEM). The effects of different TiC contents on the mechanical and thermal properties of composite films were investigated. Dielectric properties of the nano-TiC/PI composite films were analysed in detail with respect to different experimental parameters including frequency and filler concentration. Results indicated that the TiC particles dispersed homogeneously in PI matrix when its' content was below 15 vol.%. The addition of TiC particles could effectively improved the thermal stability of composite films. In comparison with pure polyimide film, the dielectric constant of the composite films with 5 vol.% TiC was significantly increased by thirteen times while the loss tangent only increased a little. Moreover, the composite films exhibited good dielectric stability over a wide range of frequency. The development of these novel polyimide composite films with favourable dielectric properties are potential for embedded capacitor applications. 17 Refs. --- --- Source: https://polymerjournals.com/influence-of-liquid-nitrogen-steeping-on-mechanical-properties-of-a-unidirectional-carbon-fiber-reinforced-bismaleimide-composite/ # INFLUENCE OF LIQUID NITROGEN STEEPING ON MECHANICAL PROPERTIES OF A UNIDIRECTIONAL CARBON FIBER REINFORCED BISMALEIMIDE COMPOSITE > Title: INFLUENCE OF LIQUID NITROGEN STEEPING ON MECHANICAL PROPERTIES OF A UNIDIRECTIONAL CARBON FIBER REINFORCED BISMALEIMIDE COMPOSITE Page Range: p.129-134 Author(s): Shaoquan Wang; Shangli Dong; Yu Gao; Zhuyu Ye; Gang Lu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/influence-of-liquid-nitrogen-steeping-on-mechanical-properties-of-a-unidirectional-carbon-fiber-reinforced-bismaleimide-composite/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF LIQUID NITROGEN STEEPING ON MECHANICAL PROPERTIES OF A UNIDIRECTIONAL CARBON FIBER REINFORCED BISMALEIMIDE COMPOSITE** Page Range: p.129-134 Author(s): Shaoquan Wang; Shangli Dong; Yu Gao; Zhuyu Ye; Gang Lu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102093&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** The influence of cryogenic environment on mechanical properties of a unidirectional carbon fibre reinforced bismaleimide composite (T700/6421BMI composite) has been investigated in this study. Cryogenic treatment was performed by steeping the T700/6421BMI composite specimens in liquid nitrogen for 0, 24, 240, 480, 1200, 1920 and 2400 hours, respectively. After liquid nitrogen steeping treatment, the transverse tension test, three-point bending test, short beam shear test and impact test were carried out to evaluate the effect of steeping time on mechanical properties of the T700/6421BMI composite. The fracture surface morphology of typical specimens was examined by SEM while the chemical variation and interface damage of the composite were characterized by FTIR and DMA. The results indicate that mechanical properties of the T700/6421BMI composite are affected by liquid nitrogen steeping. The bending strength displays a tendency of decreasing firstly then rising with increase in steeping time, and the shear strength exhibits on the contrary. The total impact energy and crack propagation energy of the T700/6421BMI composite increases rapidly in the initial stage and increases slightly as increases LN2 steeping time. It is suggested that the mechanical properties of the T700/6421BMI composite after liquid nitrogen steeping might be dominated by interface state related to steeping time. With the increase in steeping time, the stress concentration in the surface of matrix and fibre induced by coefficient of thermal expansion (CTE) difference increases and might cause interface debonding. 9 Refs. --- --- Source: https://polymerjournals.com/effect-of-cryogenic-cycles-on-mechanical-behavior-of-glass-epoxy-composite/ # EFFECT OF CRYOGENIC CYCLES ON MECHANICAL BEHAVIOR OF GLASS/EPOXY COMPOSITE > Title: EFFECT OF CRYOGENIC CYCLES ON MECHANICAL BEHAVIOR OF GLASS/EPOXY COMPOSITE Page Range: p.135-140 Author(s): Jiemin Feng; Hui Wang; Zhansheng Guo; Hongjiu Hu; Junqian Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/effect-of-cryogenic-cycles-on-mechanical-behavior-of-glass-epoxy-composite/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF CRYOGENIC CYCLES ON MECHANICAL BEHAVIOR OF GLASS/EPOXY COMPOSITE** Page Range: p.135-140 Author(s): Jiemin Feng; Hui Wang; Zhansheng Guo; Hongjiu Hu; Junqian Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102094&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Cryogenic cycling effects on the behaviour of two layer-up glass/epoxy laminates were studied. One cycle of cryogenic cycling test was designated as the sequence from 65 deg C to -196 deg C and the tests were conducted up to 80 cycles. Dynamic mechanic analysis tests were carried out to investigate the relationship between storage modulus (E'), loss modulus (E') or damping factor (tan m) and cycling numbers. It was found that the storage modulus changed little and the damping factor increased with the number of cryogenic cycles increased. Creep recovery tests were also preformed in single-cantilever mode by DMA to inspect the effect of cryogenic cycles on the creep behaviour of glass/epoxy composites. The variation of the reduced creep compliance was observed considered with the number of cycles. 29 Refs. --- --- Source: https://polymerjournals.com/hydrogen-adsorption-on-ca-decorated-epoxy-coating-graphene/ # HYDROGEN ADSORPTION ON CA-DECORATED EPOXY-COATING GRAPHENE > Title: HYDROGEN ADSORPTION ON CA-DECORATED EPOXY-COATING GRAPHENE Page Range: p.141-146 Author(s): Wenbo Liu; Yang Liu; Lifeng Hao; Zhonghai Xu; Fan Yang; Zhenqiang Zhu; Rongguo Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/hydrogen-adsorption-on-ca-decorated-epoxy-coating-graphene/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HYDROGEN ADSORPTION ON CA-DECORATED EPOXY-COATING GRAPHENE** Page Range: p.141-146 Author(s): Wenbo Liu; Yang Liu; Lifeng Hao; Zhonghai Xu; Fan Yang; Zhenqiang Zhu; Rongguo Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102095&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** The hydrogen adsorption of calcium-decorated epoxy-doped graphene has been studied by density functional theory calculations. Several models are set up and the optimized geometries are obtained. The interaction among epoxy functional groups, graphene and metal atoms is studied by analysing the electronic and band structures of the relaxed models. Mulliken population and the partial density of states are calculated to probe the nature of hydrogen molecules adsorption on this system. Our results demonstrate that this kind of stable material can be used as a promising hydrogen storage material. 36 Refs. --- --- Source: https://polymerjournals.com/numerical-simulation-of-bird-impact-on-fibre-metal-laminates/ # NUMERICAL SIMULATION OF BIRD IMPACT ON FIBRE METAL LAMINATES > Title: NUMERICAL SIMULATION OF BIRD IMPACT ON FIBRE METAL LAMINATES Page Range: p.147-156 Author(s): Shuhua Zhu; Yuequan Wang; Mingbo Tong; Xiong Pan File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/numerical-simulation-of-bird-impact-on-fibre-metal-laminates/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUMERICAL SIMULATION OF BIRD IMPACT ON FIBRE METAL LAMINATES** Page Range: p.147-156 Author(s): Shuhua Zhu; Yuequan Wang; Mingbo Tong; Xiong Pan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102096&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** A finite element model of bird impact on the Fibre Metal Laminates (FMLs) was established with the smoothed particle hydrodynamics (SPH) and finite element method in the software PAM-CRASH. The bird was modelled with the SPH elements in order to avoid the bird mesh distortion. It studied the sensitivities of some important parameters to the dynamic response of bird strike on FMLs, which included the configuration of the FMLs, the orientation of the composite layup, and the type and thickness of the metal. The results of the simulation show that the bird strike ability of the configuration (2/1) is better than the configuration (3/2). The bird strike ability of FMLs with the composite layup [45 deg /-45 deg] is better than the composite layup [0 deg /90 deg ]. FMLs with aluminium alloy 2024T3 and metal thickness 0.4mm is the best for the anti-bird strike. Lastly, the bird strike simulation was carried out for the wing leading edge structures with three different skins, aluminium alloy skin and two FMLs skins. The analysis results show that the bird strike ability of the wing leading edge structures with FMLs skin is greatly improved. 11 Refs. --- --- Source: https://polymerjournals.com/mechanical-parameters-determination-of-a-polymeric-membrane-by-digital-image-correlation/ # MECHANICAL PARAMETERS DETERMINATION OF A POLYMERIC MEMBRANE BY DIGITAL IMAGE CORRELATION > Title: MECHANICAL PARAMETERS DETERMINATION OF A POLYMERIC MEMBRANE BY DIGITAL IMAGE CORRELATION Page Range: p.157-162 Author(s): Lin Guochang; Tan Huifeng; Bai Xianghong File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/mechanical-parameters-determination-of-a-polymeric-membrane-by-digital-image-correlation/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PARAMETERS DETERMINATION OF A POLYMERIC MEMBRANE BY DIGITAL IMAGE CORRELATION** Page Range: p.157-162 Author(s): Lin Guochang; Tan Huifeng; Bai Xianghong File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102097&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Digital image correlation (DIC) is a powerful method for full-field strain test of polymeric materials and speckle pattern on the material's surface is a critical factor for the measurement accuracy. In this paper, a new speckle pattern technique is presented and used on mechanical parameter determination of a thin and soft polymeric membrane. The presented speckle pattern is generated by combination of image noise technology and film printing technique, and it is much easier to get fine speckle pattern compared with traditional spray speckle pattern technique which is a hard and time-cost work. To verify the validity of the presented speckle pattern technique, Young's modulus and Poisson's ratio are measured by presented speckle pattern and spray speckle pattern on a tensile testing machine. It is found that the measurement results by presented speckle pattern agree well with that by fine spray speckle pattern. With the presented speckle pattern technique, DIC becomes a more convenient and fast non-contact measurement technology for polymeric materials test. 19 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-elastomeric-ethylene-terpolymer-reinforced-polyethylene-co-isosorbide-terephthalate-multi-walled-carbon-nanotube-composites/ # PREPARATION AND CHARACTERIZATION OF ELASTOMERIC ETHYLENE TERPOLYMER REINFORCED POLY(ETHYLENE-CO-ISOSORBIDE TEREPHTHALATE)/MULTI-WALLED CARBON NANOTUBE COMPOSITES > Title: PREPARATION AND CHARACTERIZATION OF ELASTOMERIC ETHYLENE TERPOLYMER REINFORCED POLY(ETHYLENE-CO-ISOSORBIDE TEREPHTHALATE)/MULTI-WALLED CARBON NANOTUBE COMPOSITES Page Range: p.163-168 Author(s): Park J S; Kim S B; Kim H R; Nam B U File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-elastomeric-ethylene-terpolymer-reinforced-polyethylene-co-isosorbide-terephthalate-multi-walled-carbon-nanotube-composites/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF ELASTOMERIC ETHYLENE TERPOLYMER REINFORCED POLY(ETHYLENE-CO-ISOSORBIDE TEREPHTHALATE)/MULTI-WALLED CARBON NANOTUBE COMPOSITES** Page Range: p.163-168 Author(s): Park J S; Kim S B; Kim H R; Nam B U File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102098&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Poly(ethylene-co-isosorbide terephthalate)(PEIT)/ multi-walled carbon nanotube (MWCNT) /ethylene terpolymer composites were prepared by a melt mixing process. The effects of MWCNT and the ethylene terpolymer of nanocomposites on the mechanical, thermal and electrical properties were investigated. MWCNT and ethylene terpolymer from 1 to 5 phr and 5 wt.% and 10 wt.% were added to the PEIT matrix, respectively. The thermal properties were evaluated by DSC and TGA. The morphology, mechanical properties and electrical characteristics were assessed by FE-SEM, a notched Izod impact strength tester and a surface resistance meter. As a result, we found that the PEIT/MWCNT/ethylene terpolymer composites have higher conductivity and better mechanical properties than neat PEIT resin. 25 Refs. --- --- Source: https://polymerjournals.com/dynamic-compressive-behaviors-of-multi-directional-woven-composite-laminates-at-different-strain-rates/ # DYNAMIC COMPRESSIVE BEHAVIORS OF MULTI DIRECTIONAL WOVEN COMPOSITE LAMINATES AT DIFFERENT STRAIN RATES > Title: DYNAMIC COMPRESSIVE BEHAVIORS OF MULTI DIRECTIONAL WOVEN COMPOSITE LAMINATES AT DIFFERENT STRAIN RATES Page Range: p.169-176 Author(s): Na Wang; Chongdu Cho File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/dynamic-compressive-behaviors-of-multi-directional-woven-composite-laminates-at-different-strain-rates/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DYNAMIC COMPRESSIVE BEHAVIORS OF MULTI DIRECTIONAL WOVEN COMPOSITE LAMINATES AT DIFFERENT STRAIN RATES** Page Range: p.169-176 Author(s): Na Wang; Chongdu Cho File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102099&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** This paper discusses the experimental study on the response of multi directional satin weave E-glass/epoxy composite laminates subjected to quasi-static and high strain rate compression loading along in-plane direction. Composite laminates were fabricated from satin weave glass fabric reinforced epoxy matrix pre-impregnated tapes which were manually laid up into laminates with stacking sequence of [45/-45/0/90]13s. The low strain rate tests were conducted with an INSTRONTM testing machine, and the high strain rate tests done using a pulse shaper modified compression Split Hopkinson Pressure Bar (SHPB) apparatus. Compressive strength, modulus and strain at peak stress are evaluated experimentally at different strain rates. The results show that compressive strength, modulus and strain at peak stress are rate sensitive and enhanced at high strain rate compared with those at quasi-static loading. Under high strain rate loading, compressive strength and modulus increase as the strain rate increases. Optical and microscopic graphs on the specimens are carefully examined to determine operative failure modes. With the studied strain rate regimes, the failure modes are observed to change from splitting followed by fibre kink buckling to predominantly delamination and shear fracture as the strain rate increases from quasi-static to high strain rate. 26 Refs. --- --- Source: https://polymerjournals.com/the-effect-of-crack-resistance-layer-on-ballistic-performance-of-laminated-composites/ # THE EFFECT OF CRACK RESISTANCE LAYER ON BALLISTIC PERFORMANCE OF LAMINATED COMPOSITES > Title: THE EFFECT OF CRACK RESISTANCE LAYER ON BALLISTIC PERFORMANCE OF LAMINATED COMPOSITES Page Range: p.177-180 Author(s): Zhenqiang Zhu; Rongguo Wang; Fan Yang; Lifeng Hao; Weicheng Jiao; Yang Liu; Jianguang Zhang; Yanling Xu; Wenbo Liu File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/the-effect-of-crack-resistance-layer-on-ballistic-performance-of-laminated-composites/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECT OF CRACK RESISTANCE LAYER ON BALLISTIC PERFORMANCE OF LAMINATED COMPOSITES** Page Range: p.177-180 Author(s): Zhenqiang Zhu; Rongguo Wang; Fan Yang; Lifeng Hao; Weicheng Jiao; Yang Liu; Jianguang Zhang; Yanling Xu; Wenbo Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102100&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Crack resistance layer, a layer of aramid stuck on the surface of ceramics, can effectively prevent the splashing of fragment of a bullet under attack. It bounds the fragment within the structure and the friction between bullet and ceramics arouses tremendous energy consumption. Here, we compare the impact tests with and without crack resistance layer to investigate the effect of crack resistance layer. By analysing the friction between bullet and ceramic, the friction mass, and energy absorption, we study the nature of crack resistance layer protection behaviour. As the surface density of this structure increases 1%, the impact resistance and energy absorption efficiency are substantially enhanced. 28 Refs. --- --- Source: https://polymerjournals.com/engineering-method-for-the-thermal-mechanical-erosion-of-c-c-composite-with-the-mesoscale-ablation-model/ # ENGINEERING METHOD FOR THE THERMAL MECHANICAL EROSION OF C/C COMPOSITE WITH THE MESOSCALE ABLATION MODEL > Title: ENGINEERING METHOD FOR THE THERMAL MECHANICAL EROSION OF C/C COMPOSITE WITH THE MESOSCALE ABLATION MODEL Page Range: p.181-186 Author(s): Deng Daiying; Yu Jijun; Yan Xiangqiao; Huang Fei; LuoXiaoguang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/engineering-method-for-the-thermal-mechanical-erosion-of-c-c-composite-with-the-mesoscale-ablation-model/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ENGINEERING METHOD FOR THE THERMAL MECHANICAL EROSION OF C/C COMPOSITE WITH THE MESOSCALE ABLATION MODEL** Page Range: p.181-186 Author(s): Deng Daiying; Yu Jijun; Yan Xiangqiao; Huang Fei; LuoXiaoguang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102101&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** A physical model to simulate the mesoscale morphology evolution of carbon fibre is established to characterize the thermal mechanical erosion behaviour of C/C composite in high temperature and high pressure gas flow. The process of mechanical erosion of single carbon fibre is calculated by the DSMC method. The fracture criteria and mesoscale mechanical erosion model of carbon fibre are developed by theory of mechanics of materials. Finally, an engineering method for prediction of mesoscale mechanical erosion is formulated, and the predictions agree well with the experiment results. 11 Refs. --- --- Source: https://polymerjournals.com/comparison-of-the-mechanical-properties-between-2d-and-3d-orthogonal-woven-ramie-fiber-reinforced-polypropylene-composites/ # COMPARISON OF THE MECHANICAL PROPERTIES BETWEEN 2D AND 3D ORTHOGONAL WOVEN RAMIE FIBER REINFORCED POLYPROPYLENE COMPOSITES > Title: COMPARISON OF THE MECHANICAL PROPERTIES BETWEEN 2D AND 3D ORTHOGONAL WOVEN RAMIE FIBER REINFORCED POLYPROPYLENE COMPOSITES Page Range: p.187-192 Author(s): Qian Zhang; Xiaomeng Fang; Xiaojuan Sun; Baozhong Sun; Yiping Qiu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/comparison-of-the-mechanical-properties-between-2d-and-3d-orthogonal-woven-ramie-fiber-reinforced-polypropylene-composites/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARISON OF THE MECHANICAL PROPERTIES BETWEEN 2D AND 3D ORTHOGONAL WOVEN RAMIE FIBER REINFORCED POLYPROPYLENE COMPOSITES** Page Range: p.187-192 Author(s): Qian Zhang; Xiaomeng Fang; Xiaojuan Sun; Baozhong Sun; Yiping Qiu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102102&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Polypropylene (PP) composites reinforced with ramie 2D plain fabric is widely developed recently. In this paper, PP composites reinforced by using 3D orthogonal woven ramie fabric under hot-press moulding process were made. The tensile and flexural strength of reinforced composites were tested and discussed. The results showed that the normalized tensile strength and the normalized tensile Young's modulus of 3D composite were significantly improved compared with that of 2D composites. The normalized flexural strength and the normalized flexural Young's modulus of 3D composite were also greatly improved. Overall results indicating that compared with 2D composite the 3D orthogonal woven ramie fabric could significantly improve the mechanical property of PP composites. 5 Refs. --- --- Source: https://polymerjournals.com/numerical-analysis-for-the-interlayer-toughening-of-piezoelectric-smart-composite-plate/ # NUMERICAL ANALYSIS FOR THE INTERLAYER TOUGHENING OF PIEZOELECTRIC SMART COMPOSITE PLATE > Title: NUMERICAL ANALYSIS FOR THE INTERLAYER TOUGHENING OF PIEZOELECTRIC SMART COMPOSITE PLATE Page Range: p.193-202 Author(s): Bai Rui-xiang; Bai Haitong; Wang Mingchao File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/numerical-analysis-for-the-interlayer-toughening-of-piezoelectric-smart-composite-plate/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUMERICAL ANALYSIS FOR THE INTERLAYER TOUGHENING OF PIEZOELECTRIC SMART COMPOSITE PLATE** Page Range: p.193-202 Author(s): Bai Rui-xiang; Bai Haitong; Wang Mingchao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102103&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** The piezoelectric composite material could engender stress concentration resulting from small cracks during layers easily, as the cracks growth will lead to the failure of the whole structure. In this paper, a finite element model for piezoelectric composite materials by ABAQUS including interlayer crack was established, and the J integral and crack tip stress of different types PZT patches were calculated by using the equivalent integral method. Then, the J integral for adhesive layers with different thickness, elastic modulus considering and not considering piezoelectricity was investigated. The results show that the J integral of mode I, II reduces with thicker adhesive layer and lower elastic modules, and the J integral of mode II decreases more sharply than that of mode I. 22 Refs. --- --- Source: https://polymerjournals.com/enhancement-of-tensile-properties-of-flax-filaments-through-mercerization-under-sustained-tension/ # ENHANCEMENT OF TENSILE PROPERTIES OF FLAX FILAMENTS THROUGH MERCERIZATION UNDER SUSTAINED TENSION > Title: ENHANCEMENT OF TENSILE PROPERTIES OF FLAX FILAMENTS THROUGH MERCERIZATION UNDER SUSTAINED TENSION Page Range: p.203-208 Author(s): Yuanyuan Xia; Guijun Xian; Hui Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/enhancement-of-tensile-properties-of-flax-filaments-through-mercerization-under-sustained-tension/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ENHANCEMENT OF TENSILE PROPERTIES OF FLAX FILAMENTS THROUGH MERCERIZATION UNDER SUSTAINED TENSION** Page Range: p.203-208 Author(s): Yuanyuan Xia; Guijun Xian; Hui Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102104&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** In the present paper, the tensile properties of flax filaments were modified through mercerisat under sustained tension forces. The tensile stress-strain curves of the treated filaments exhibit two stages. The slope of the first stage is much higher than the second one. The mercerisat under sustained forces leads the two-stage characteristic to be more obvious. The effect of the sustained tension force on the tensile properties of filaments is dependent on the alkaline concentration. The tensile properties were only remarkably enhanced with high concentration of alkaline (e.g., > 10%) and sustained forces. Compared to the untreated filaments, the maximum tensile strength and modulus with optimum treatment conditions are improved by about 36% and 64% respectively. SEM and X-ray diffraction (XRD) analysis suggested that the enhancement of the tensile properties of the treated flax filaments comes from the orientation of amorphous cellulose molecular chains of micro fibrils and remove of the defects of the filament surfaces. 9 Refs. --- --- Source: https://polymerjournals.com/effect-of-functionalization-of-multi-walled-carbon-nanotubes-on-the-electrical-conductivity-and-mechanical-properties-of-unsaturated-polyester-resin-composites/ # EFFECT OF FUNCTIONALIZATION OF MULTI-WALLED CARBON NANOTUBES ON THE ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER RESIN COMPOSITES > Title: EFFECT OF FUNCTIONALIZATION OF MULTI-WALLED CARBON NANOTUBES ON THE ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER RESIN COMPOSITES Page Range: p.209-214 Author(s): Jiuxing Jiang; Zhenhua Wang; Fan Xu; Jianjun Xu File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-functionalization-of-multi-walled-carbon-nanotubes-on-the-electrical-conductivity-and-mechanical-properties-of-unsaturated-polyester-resin-composites/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF FUNCTIONALIZATION OF MULTI-WALLED CARBON NANOTUBES ON THE ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER RESIN COMPOSITES** Page Range: p.209-214 Author(s): Jiuxing Jiang; Zhenhua Wang; Fan Xu; Jianjun Xu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102105&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** As the unsaturated polyester resin (UPR) has multiple functional groups, it can be solidified at ambient temperatures and pressures. But the low mechanical properties limit its application. In this paper, the functional multi-walled carbon nanotubes (MWCNTs) were modified by maleic anhydride to synthesize UPR composites by condensation reaction. Then we obtained the UPR composites with oriented MWCNTs by application of external electric field. The microstructure, electrical conductivity and mechanical properties of UPR composites were investigated by scanning electron microscope, infrared spectroscopy, impedance analyser and universal testing machine. It was found that the composites are anisotropy and the tensile strength and bending strength of composites with 0.5 wt.% lengthways MWCNTs are improved by 70%, 43%, the compressive strength with 0.5 wt.% is improved by 90%, the electrical conductivity increased to 10-7 S/cm when the contents reach to 1%. 17 Refs. --- --- Source: https://polymerjournals.com/study-of-the-microstructure-and-mechanical-properties-of-pbsn-alloys-deposited-on-carbon-fiber-reinforced-epoxy-composites/ # STUDY OF THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF PBSN ALLOYS DEPOSITED ON CARBON FIBER REINFORCED EPOXY COMPOSITES > Title: STUDY OF THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF PBSN ALLOYS DEPOSITED ON CARBON FIBER REINFORCED EPOXY COMPOSITES Page Range: p.215-220 Author(s): Chang Liu; Dajun Song; Lifeng Hao; Fan Yang; Weicheng Jiao; Rongguo Wang; Minghua Chen File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/study-of-the-microstructure-and-mechanical-properties-of-pbsn-alloys-deposited-on-carbon-fiber-reinforced-epoxy-composites/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY OF THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF PBSN ALLOYS DEPOSITED ON CARBON FIBER REINFORCED EPOXY COMPOSITES** Page Range: p.215-220 Author(s): Chang Liu; Dajun Song; Lifeng Hao; Fan Yang; Weicheng Jiao; Rongguo Wang; Minghua Chen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102106&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** In this paper, four groups of the plasma spray process parameters (g1, g2, g3 and g4) of PbSn coatings deposited on carbon fibre reinforced epoxy composites (CFRE composites) were examined. The microstructure and phase composition of the as-sprayed coatings have been examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The bonding strength of the coatings to the substrates was detected on a RGD-5 tensile testing machine. Results indicate that the melting extent and the bonding strength of the coatings were evidently improved and the porosity decreased with the g3 parameters. However, the phases and the content of crystalline of PbSn coatings were slightly changed with all of the parameters. 11 Refs. --- --- Source: https://polymerjournals.com/fabrication-and-characterization-of-polyimide-aln-nanocomposite-films/ # FABRICATION AND CHARACTERIZATION OF POLYIMIDE/ALN NANOCOMPOSITE FILMS > Title: FABRICATION AND CHARACTERIZATION OF POLYIMIDE/ALN NANOCOMPOSITE FILMS Page Range: p.221-226 Author(s): Chen Minghua; Yin Jinghua; Song Dajun; Liu Xiaoxu; Feng Yu; Su Bo File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/fabrication-and-characterization-of-polyimide-aln-nanocomposite-films/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FABRICATION AND CHARACTERIZATION OF POLYIMIDE/ALN NANOCOMPOSITE FILMS** Page Range: p.221-226 Author(s): Chen Minghua; Yin Jinghua; Song Dajun; Liu Xiaoxu; Feng Yu; Su Bo File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102107&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Polyimide/AlN (PI/AlN) nanocomposite films were prepared by in-situ polymerisation method with different doping concentrations and their microstructures were investigated by small angle X-ray scattering (SAXS) technique. Analysed SAXS results indicate the average diameters of the nanoparticles in hybrid films distribute from 55 nm to 60 nm, which are consistent with the observation from Scanning Electron Microscope (SEM). The Fourier Transform Infrared Spectroscopy (FTIR) results confirm the formation of AlN particles in the PI matrix. The effects of content on the dielectric constant, loss tangent, breakdown strength and corona ageing were studied. The corona resistant time of PI/AlN with 20 wt.% doping concentration is 58.5 hours, which is twenty times more than that of pure PI. The results show that the corona resistance of PI/AlN has been improved significantly. 14 Refs. --- --- Source: https://polymerjournals.com/effect-of-different-carbon-nanostructures-on-the-properties-of-natural-rubber-nanocomposites/ # EFFECT OF DIFFERENT CARBON NANOSTRUCTURES ON THE PROPERTIES OF NATURAL RUBBER NANOCOMPOSITES > Title: EFFECT OF DIFFERENT CARBON NANOSTRUCTURES ON THE PROPERTIES OF NATURAL RUBBER NANOCOMPOSITES Page Range: p.59-78 Author(s): Al-Hartomy O A; Al-Ghamdi A A; Farha Al Said A S; Dishovsky N; Rossitsa Shtarkova; Vladimir Iliev Click Here to Download Now! - File size:... Canonical URL: https://polymerjournals.com/effect-of-different-carbon-nanostructures-on-the-properties-of-natural-rubber-nanocomposites/ Published: 2014-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: EFFECT OF DIFFERENT CARBON NANOSTRUCTURES ON THE PROPERTIES OF NATURAL RUBBER NANOCOMPOSITES** ![](http://apc.jpg)Page Range: p.59-78 Author(s): Al-Hartomy O A; Al-Ghamdi A A; Farha Al Said A S; Dishovsky N; Rossitsa Shtarkova; Vladimir Iliev ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.2 **Abstract** Natural rubber (NR) based nanocomposites with different fillers (fullerene, carbon nanotubes (CNT) and graphene (GNP)) in concentrations from 2 to 10 phr have been prepared. Their coefficients of absorption and reflection of the electromagnetic waves and electromagnetic interference shielding effectiveness have been investigated in the 1-12 GHz frequency range. The high conductivity, small diameter, high aspect ratio, and high electrical and thermal conductivity of studied carbon nanofillers make them an excellent option to create conductive composites for high-performance EMI shielding materials in the frequency range 1-7 GHz at low filling concentration. 58 Refs. --- Source: https://polymerjournals.com/polyphosphazene-coated-multi-wall-carbon-nanotubes-reinforced-polychloroprene-nanocomposites/ # POLYPHOSPHAZENE COATED MULTI WALL CARBON NANOTUBES REINFORCED POLYCHLOROPRENE NANOCOMPOSITES > Title: POLYPHOSPHAZENE COATED MULTI WALL CARBON NANOTUBES REINFORCED POLYCHLOROPRENE NANOCOMPOSITES Page Range: p.79-84 Author(s): Singh Y P; Pratibha Singh; Pandey K N; Vishal Verma; Vijai Kumar File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue... Canonical URL: https://polymerjournals.com/polyphosphazene-coated-multi-wall-carbon-nanotubes-reinforced-polychloroprene-nanocomposites/ Published: 2014-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: POLYPHOSPHAZENE COATED MULTI WALL CARBON NANOTUBES REINFORCED POLYCHLOROPRENE NANOCOMPOSITES** Page Range: p.79-84 Author(s): Singh Y P; Pratibha Singh; Pandey K N; Vishal Verma; Vijai Kumar File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102226&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.2 **Abstract** Polyphosphazene coated MWCNT reinforced polychloroprene rubber (CR) based nanocomposites with a sulphur/accelerator vulcanisation system at 150 deg C have been processed. 0.3 weight% reinforcement imparts some good properties. Scanning electron microscopy (SEM) indicates that the coated MWCNT's are dispersed with enhanced reinforcement/rubber adhesion. Composites showed higher mechanical properties compared to the matrix. TGA thermograms show some enhancement in the thermal stability of the composites as compared to the polychloroprene matrix. 4 Refs. --- --- Source: https://polymerjournals.com/modified-nano-caco3-reinforced-ternary-blend-based-blown-films-of-lldpe-ldpe-pla-ma-g-pe/ # MODIFIED NANO-CACO3 REINFORCED TERNARY BLEND BASED BLOWN FILMS OF LLDPE/LDPE/PLA/MA-G-PE > Title: MODIFIED NANO-CACO3 REINFORCED TERNARY BLEND BASED BLOWN FILMS OF LLDPE/LDPE/PLA/MA-G-PE Page Range: p.85-96 Author(s): Rahul Kumar; Pradeep Upadhyaya; Navin Chand File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue... Canonical URL: https://polymerjournals.com/modified-nano-caco3-reinforced-ternary-blend-based-blown-films-of-lldpe-ldpe-pla-ma-g-pe/ Published: 2014-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: MODIFIED NANO-CACO3 REINFORCED TERNARY BLEND BASED BLOWN FILMS OF LLDPE/LDPE/PLA/MA-G-PE** Page Range: p.85-96 Author(s): Rahul Kumar; Pradeep Upadhyaya; Navin Chand File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc2-2&JournalID=102227&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.2 **Abstract** Ternary blend system of linear low density polyethylene (LLDPE), low density polyethylene (LDPE) and poly lactic acid (PLA) compatibilised with maleic anhydride grafted polyethylene (MA-g-PE) has been reinforced by chemically modified nano calcium carbonate (nano-CaCO3). The mechanical, optical, thermal and morphological properties of the reinforced ternary blend have been evaluated. Mechanical properties are superior at 1 phr of nano-CaCO3 filler, except elongation at break and burst strength. Optical properties study indicates that haze and transmittance have been affected due to the nucleating effect of nano-CaCO3 on the matrix. SEM micrographs show reasonably well bonding between the matrix and the reinforcement material. 9 Refs. --- --- Source: https://polymerjournals.com/thermal-properties-of-jute-fiber-reinforced-chemically-functionalized-high-density-polyethylene-jf-cfhdpe-composites-developed-by-palsule-process/ # THERMAL PROPERTIES OF JUTE FIBER REINFORCED CHEMICALLY FUNCTIONALIZED HIGH DENSITY POLYETHYLENE (JF/CFHDPE) COMPOSITES DEVELOPED BY PALSULE PROCESS > Title: THERMAL PROPERTIES OF JUTE FIBER REINFORCED CHEMICALLY FUNCTIONALIZED HIGH DENSITY POLYETHYLENE (JF/CFHDPE) COMPOSITES DEVELOPED BY PALSULE PROCESS Page Range: p.97-108 Author(s): Anshu Anjali Singh; Sanjay Palsule Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue... Canonical URL: https://polymerjournals.com/thermal-properties-of-jute-fiber-reinforced-chemically-functionalized-high-density-polyethylene-jf-cfhdpe-composites-developed-by-palsule-process/ Published: 2014-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: THERMAL PROPERTIES OF JUTE FIBER REINFORCED CHEMICALLY FUNCTIONALIZED HIGH DENSITY POLYETHYLENE (JF/CFHDPE) COMPOSITES DEVELOPED BY PALSULE PROCESS** ![](http://apc.jpg)Page Range: p.97-108 Author(s): Anshu Anjali Singh; Sanjay Palsule ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1163140.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.2 **Abstract** Jute fibre reinforced chemically functionalised high density polyethylene composites developed by Palsule process, without using any compatibiliser, and without any fibre treatment exhibit good thermal stability. The initiation of degradation of the JF/CF-HDPE composites is at temperatures intermediate between those of temperatures of initiation of degradation of the fibre and the matrix. The maximum degradation temperature of all the composite compositions are higher that of the matrix, and increase with increasing Jute fibre content. The temperatures of highest rate of degradation of 10/90, 20/80 and 30/70 JF/ CF-HDPE composites are 483 deg C, 485 deg C and 488 deg C respectively, and at 550 deg C the composite compositions show the residual mass of 4.3%, 5.8% and 7% respectively.22 Refs. --- Source: https://polymerjournals.com/structure-mechanical-and-thermal-properties-of-coconut-fiber-reinforced-polypropylene-composites-with-2-mapp-as-a-compatibilizer/ # STRUCTURE, MECHANICAL AND THERMAL PROPERTIES OF COCONUT FIBER REINFORCED POLYPROPYLENE COMPOSITES WITH 2% MAPP AS A COMPATIBILIZER > Title: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES OF COCONUT FIBER REINFORCED POLYPROPYLENE COMPOSITES WITH 2% MAPP AS A COMPATIBILIZER Page Range: p.109-118 Author(s): Anshu Anjali Singh; Priyanka Biswas; Kishor Biswas Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer... Canonical URL: https://polymerjournals.com/structure-mechanical-and-thermal-properties-of-coconut-fiber-reinforced-polypropylene-composites-with-2-mapp-as-a-compatibilizer/ Published: 2014-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES OF COCONUT FIBER REINFORCED POLYPROPYLENE COMPOSITES WITH 2% MAPP AS A COMPATIBILIZER** ![](http://apc.jpg)Page Range: p.109-118 Author(s): Anshu Anjali Singh; Priyanka Biswas; Kishor Biswas ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No.2 **Abstract** Coconut fibres reinforced polypropylene composites processed by extrusion with 2% MAPP - maleic anhydride grafted polypropylene as compatibiliser show about 10 to 20% improved tensile strength and tensile modulus as compared to that of the polypropylene matrix due to fibre/matrix interfacial adhesion resulting from compatibilising effect of MAPP. Scanning electron microscopy shows coconut fibres deeply embedded in polypropylene matrix with good interfacial adhesion. The melting temperatures of the CNF/PP composites are same as that of PP and are around 170 deg C. 14 Refs. --- Source: https://polymerjournals.com/modeling-of-coupled-temperature-displacement-diffusion-problem-for-silica-phenolic-composite-under-high-temperature/ # MODELING OF COUPLED TEMPERATURE-DISPLACEMENT-DIFFUSION PROBLEM FOR SILICA-PHENOLIC COMPOSITE UNDER HIGH TEMPERATURE > Title: MODELING OF COUPLED TEMPERATURE-DISPLACEMENT-DIFFUSION PROBLEM FOR SILICA-PHENOLIC COMPOSITE UNDER HIGH TEMPERATURE Page Range: p.85-90 Author(s): Shengbo Shi; Jun Liang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue... Canonical URL: https://polymerjournals.com/modeling-of-coupled-temperature-displacement-diffusion-problem-for-silica-phenolic-composite-under-high-temperature/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODELING OF COUPLED TEMPERATURE-DISPLACEMENT-DIFFUSION PROBLEM FOR SILICA-PHENOLIC COMPOSITE UNDER HIGH TEMPERATURE** Page Range: p.85-90 Author(s): Shengbo Shi; Jun Liang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102087&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Volume ablation process of resin-matrix thermoprotective composite is, generally, associated with complex physico-chemical changes, heat and mass transfer processes and irreversible changes of thermomechanical and thermophysical properties. The thermomechanical behaviour of resin-matrix thermoprotective material during volume ablation can be analysed as the coupled temperature-displacement- diffusion problem of porous elastomers under high temperature. Based on the ablative and thermoprotective mechanisms of silica-phenolic composite, the governing equations of the porous elastomers, such as equation of motion of solid phase, gas diffusion equation and energy conservation equation, were established. These governing equations were further modified using finite element method to obtain the element stiffness equation for each element. Additionally, the global stiffness equations were assembled and solved by Gaussian elimination method. The temperature distribution, pore pressure, strain and stress field in plane strain state were calculated when silica-phenolic composite was exposed to a constant radiant heat flux. 17 Refs. --- --- Source: https://polymerjournals.com/atomistic-structure-and-thermodynamic-properties-of-siloxane-pyrolyzed-amorphous-silicon-oxycarbide/ # ATOMISTIC STRUCTURE AND THERMODYNAMIC PROPERTIES OF SILOXANE PYROLYZED AMORPHOUS SILICON OXYCARBIDE > Title: ATOMISTIC STRUCTURE AND THERMODYNAMIC PROPERTIES OF SILOXANE PYROLYZED AMORPHOUS SILICON OXYCARBIDE Page Range: p.91-98 Author(s): Xiaoguang Luo; Bangcheng Ai; Jijun Yu; Wenbo Miao File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/atomistic-structure-and-thermodynamic-properties-of-siloxane-pyrolyzed-amorphous-silicon-oxycarbide/ Published: 2014-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ATOMISTIC STRUCTURE AND THERMODYNAMIC PROPERTIES OF SILOXANE PYROLYZED AMORPHOUS SILICON OXYCARBIDE** Page Range: p.91-98 Author(s): Xiaoguang Luo; Bangcheng Ai; Jijun Yu; Wenbo Miao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-2&JournalID=102088&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No. 2 **Abstract** Atomistic models of amorphous silicon oxycarbide, a-SiCO with different compositional range between SiO2 and SiC are constructed by rapid quenching. Structural models consisting of 528-568 atoms are fully optimized by molecular mechanics based on ReaxFF force fields. The addition of carbon into SiO2 glass stiffens the network and increases the bulk modulus. For better understanding the thermodynamics properties of a-SiCO, the effect of pressure and temperature on the bulk modulus, heat capacity, Debye temperature and coefficient of thermal expansion are derived by the quasi-harmonic Debye model in virtue of standard thermodynamic relations. 20 Refs. --- --- Source: https://polymerjournals.com/macromolecular-micro-composites-fundamentals-and-a-system-of-a-blend-of-polyamide-imide-polyetherimide/ # MACROMOLECULAR MICRO COMPOSITES: FUNDAMENTALS AND A SYSTEM OF A BLEND OF POLYAMIDE-IMIDE / POLYETHERIMIDE > Title: MACROMOLECULAR MICRO COMPOSITES: FUNDAMENTALS AND A SYSTEM OF A BLEND OF POLYAMIDE-IMIDE / POLYETHERIMIDE Page Range: p.1-16 Author(s): Sanjay Palsule; Kuldeep Nagar; Shyopat Ram; Himanshu Shekhar Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue... Canonical URL: https://polymerjournals.com/macromolecular-micro-composites-fundamentals-and-a-system-of-a-blend-of-polyamide-imide-polyetherimide/ Published: 2014-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: MACROMOLECULAR MICRO COMPOSITES: FUNDAMENTALS AND A SYSTEM OF A BLEND OF POLYAMIDE-IMIDE / POLYETHERIMIDE** ![](http://apc.jpg)Page Range: p.1-16 Author(s): Sanjay Palsule; Kuldeep Nagar; Shyopat Ram; Himanshu Shekhar ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1 **Abstract** A new concept of a 'Macromolecular Micro Composite' is proposed as a melt processable and thermodynamically miscible blend of a flexible polymer and a quasi-rigid polymer in which the flexible polymer is molecularly reinforced by a quasi-rigid macromolecule offering synergistic properties and improved mechanical properties as compared to those of the constituent flexible polymer. Fundamentals are presented and the concept is established, herewith, by melt processing a miscible macromolecular micro composite of flexible polyetherimide reinforced by quasi rigid polyamide-imide with improved mechanical properties as compared to those of flexible polyether-imide. Advantages of macromolecular micro composites over molecular composites, self reinforced blends, and other molecularly reinforced polymer blends are discussed. 23 Refs. --- Source: https://polymerjournals.com/influence-of-mwcnts-as-secondary-reinforcement-material-in-glass-fiber-epoxy-composites-fabricated-using-vartm/ # INFLUENCE OF MWCNTS AS SECONDARY REINFORCEMENT MATERIAL IN GLASS FIBER/EPOXY COMPOSITES FABRICATED USING VARTM > Title: INFLUENCE OF MWCNTS AS SECONDARY REINFORCEMENT MATERIAL IN GLASS FIBER/EPOXY COMPOSITES FABRICATED USING VARTM Page Range: p.17-26 Author(s): Saad Anas; Ghufran Ur Rehman; Zaffar Mohammad Khan; Noaman Ul-Haq; Muhammad Bilal Khan; Saad Nauman; Muhammad Shahid; Ali Nasir Click Here to Download... Canonical URL: https://polymerjournals.com/influence-of-mwcnts-as-secondary-reinforcement-material-in-glass-fiber-epoxy-composites-fabricated-using-vartm/ Published: 2014-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: INFLUENCE OF MWCNTS AS SECONDARY REINFORCEMENT MATERIAL IN GLASS FIBER/EPOXY COMPOSITES FABRICATED USING VARTM** ![](http://apc.jpg)Page Range: p.17-26 Author(s): Saad Anas; Ghufran Ur Rehman; Zaffar Mohammad Khan; Noaman Ul-Haq; Muhammad Bilal Khan; Saad Nauman; Muhammad Shahid; Ali Nasir ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1 **Abstract** Effects of multi-walled carbon nano tubes (MWCNTs) - as secondary reinforcements - on tensile strength, fibre-matrix bonding and interaction with the coupling agent in glass fibre/epoxy composite have been reported. Composites have been fabricated by a lab scale vacuum assisted resin transfer moulding (VARTM) according to ASTM D-638 standard. Pristine CNTs are usually not so effective, but with the interaction of silane coated glass fabric, interfacial reinforcing between matrix and fibres has been found to take place and that increases the toughness as well as the tensile properties by enhancing the interfacial strength between the fabric and the matrix. The increase in tensile strength of about 27% was observed from experimental values using only 0.3% weight percent of CNTs in epoxy. FTIR analysis confirmed the Si-O-C linkage and SEM results showed good adhesion of fibres with matrix confirming the enhancement of interface. 21 Refs. --- Source: https://polymerjournals.com/oil-palm-mesocarp-particles-reinforced-cashew-nut-shell-novolac-resin-composites/ # OIL PALM MESOCARP PARTICLES REINFORCED CASHEW NUT SHELL NOVOLAC RESIN COMPOSITES > Title: OIL PALM MESOCARP PARTICLES REINFORCED CASHEW NUT SHELL NOVOLAC RESIN COMPOSITES Page Range: p.27-36 Author(s): Obasi H C; Igwe I O; Onyeagoro G N; Obidiegwu M U; Anyanwu P I Click Here to Download Now! - File size: (subscribers only) Journal:... Canonical URL: https://polymerjournals.com/oil-palm-mesocarp-particles-reinforced-cashew-nut-shell-novolac-resin-composites/ Published: 2014-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: OIL PALM MESOCARP PARTICLES REINFORCED CASHEW NUT SHELL NOVOLAC RESIN COMPOSITES** ![](http://apc.jpg)Page Range: p.27-36 Author(s): Obasi H C; Igwe I O; Onyeagoro G N; Obidiegwu M U; Anyanwu P I ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1154953.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1 **Abstract** Oil palm mesocarp particle (OPMP) reinforced cashew nut shell Novolac resin (CNSR) composites (OPMP/CNSR) have been processed at different filler contents (0 to 25 wt%) and particle sizes (400 (mu)m, 500 (mu)m and 600 (mu)m). Both the amount of reinforcement and particle size influence the Young's modulus, tensile strength, elongation at break, flexural strength, flexural modulus, and water absorption of OPMP/CNSR composites. The optimum properties were observed at 20 wt% filler content and 400 (mu)m particle sizes. 23 Refs. --- Source: https://polymerjournals.com/optimization-of-wheat-straw-fibres-phenol-formaldehyde-composites/ # OPTIMIZATION OF WHEAT STRAW FIBRES/PHENOL FORMALDEHYDE COMPOSITES > Title: OPTIMIZATION OF WHEAT STRAW FIBRES/PHENOL FORMALDEHYDE COMPOSITES Page Range: p.37-44 Author(s): Mohit Kumar; Akhouri Sanjay Kumar Sinha Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1 Abstract... Canonical URL: https://polymerjournals.com/optimization-of-wheat-straw-fibres-phenol-formaldehyde-composites/ Published: 2014-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: OPTIMIZATION OF WHEAT STRAW FIBRES/PHENOL FORMALDEHYDE COMPOSITES** ![](http://apc.jpg)Page Range: p.37-44 Author(s): Mohit Kumar; Akhouri Sanjay Kumar Sinha ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1 **Abstract** Wheat straw fibres obtained by soda pulping process have been used to reinforce phenol formaldehyde resin to develop wheat straw fibre/phenol formaldehyde (WS/PF) composites. The optimisation of important process parameters like temperature, pressure, time and fibres percentage in the composites has been performed. The minimum and maximum process parameters have been worked out, and finally response surface methodology has been used to optimize the process conditions to get best properties of the WS/PF composite. The experimental design has variation range of temperature from 95oC to 195oC, pressure from 0 to 31 MPa, time from 15 to 82 minutes and weight percentage of wheat straw fibres from 10 to 100. The optimized results show good strength properties at 148oC temperature, 48 minutes time, 33.5 MPa pressure and 58 weight percent fibres in the composite. Density of the composite material has been found to vary from 1.25 to 1.38 gm/cm3. 13 Refs. --- Source: https://polymerjournals.com/on-the-differences-between-cord-rubber-composites-and-fiber-reinforced-polymer-composites/ # ON THE DIFFERENCES BETWEEN CORD-RUBBER COMPOSITES AND FIBER REINFORCED POLYMER COMPOSITES > Title: ON THE DIFFERENCES BETWEEN CORD-RUBBER COMPOSITES AND FIBER REINFORCED POLYMER COMPOSITES Page Range: p.45-58 Author(s): Gurvich M R Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1... Canonical URL: https://polymerjournals.com/on-the-differences-between-cord-rubber-composites-and-fiber-reinforced-polymer-composites/ Published: 2014-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: ON THE DIFFERENCES BETWEEN CORD-RUBBER COMPOSITES AND FIBER REINFORCED POLYMER COMPOSITES** ![](http://apc.jpg)Page Range: p.45-58 Author(s): Gurvich M R ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 2 Issue No: No. 1 **Abstract** Approaches and computational capabilities in structural modelling of cord-rubber composites (CRC) are often based on similar well established solutions for fibre reinforced polymer composites (FRP). Although there are many similarities between CRC and FRP, there are crucial distinctions in their structural behaviour and, therefore, in their modelling. This study presents a systematic review of these differences, aims to understand their nature, and provides their quantitative estimations for typical CRC materials. Major explanations of the differences are proposed. Among others, the following issues are discussed in detail: nonlinearity and incompressibility of matrix, relatively big size of cords, relatively low stiffness of rubber, and deformation mechanisms of laminated CRC. The differences are discussed at several scales of structural modelling: components, micro-mechanics of uni-directional CRC, macro-mechanics of CRC, and laminated CRC. Finally, representative numerical results are demonstrated for typical CRC materials to emphasize important observations and explain their impact on predictive accuracy and confidence. 17 Refs. --- Source: https://polymerjournals.com/curing-kinetics-and-thermal-properties-of-aromatic-multifunctional-epoxy-resins/ # CURING KINETICS AND THERMAL PROPERTIES OF AROMATIC MULTIFUNCTIONAL EPOXY RESINS > Title: CURING KINETICS AND THERMAL PROPERTIES OF AROMATIC MULTIFUNCTIONAL EPOXY RESINS Page Range: p.1-12 Author(s): Mingming Yu; Zhengwei Zhou; Hang Lu; Aijun Li; Ruicheng Bai; Jinliang Sun; Musu Ren; Hefeng Hu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/curing-kinetics-and-thermal-properties-of-aromatic-multifunctional-epoxy-resins/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURING KINETICS AND THERMAL PROPERTIES OF AROMATIC MULTIFUNCTIONAL EPOXY RESINS** Page Range: p.1-12 Author(s): Mingming Yu; Zhengwei Zhou; Hang Lu; Aijun Li; Ruicheng Bai; Jinliang Sun; Musu Ren; Hefeng Hu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102075&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** In order to investigate the relationship between the chemical structure of multifunctional epoxy resins and their properties, two tetrafunctional epoxies with different aromatic rings content in the molecular main chain, N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether (4,4'-TGDDE) and N,N,N',N'-tetraglycidyl-2,2-bis[4(4-aminophenoxy)phenyl]propane (TGBAPP), were cured with 4,4'-diaminodiphenyl ether (4,4'-DDE) and 2,2-bis[4-(4-aminophenoxy)phenyl]propane (BAPP), respectively. Then four amine curing systems (TGBAPP/ BAPP, TGBAPP/4,4'-DDE, 4,4'-TGDDE/BAPP and 4,4'-TGDDE/4,4'-DDE) were obtained. Additionally, the 4,4'-TGDDE and another TGDDE with m-glycidyl amino, named N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether (3,4'-TGDDE) were cured with methyl nadic anhydride (MNA). Then the anhydride curing systems (4,4'-TGDDE/MNA and 3,4'-TGDDE/MNA) were prepared. The curing kinetics and thermal properties of these systems were studied in detail. The results indicated that the anhydride curing systems exhibited higher curing reactivity than the amine curing systems, and the resins cured with the anhydride showed better thermal properties. Moreover, introducing more aromatic rings into the backbone would decrease the curing reactivity but enhance the thermal property of the multifunctional epoxy resins. And the tetrafunctional epoxy with p-glycidy amino groups had higher curing reactivity than the epoxy with p-glycidy amino groups, and the thermal property of the front epoxy was better. 28 Refs. --- --- Source: https://polymerjournals.com/from-aminolysis-product-of-pet-waste-to-value-added-products-of-polymer-and-assistants/ # FROM AMINOLYSIS PRODUCT OF PET WASTE TO VALUE-ADDED PRODUCTS OF POLYMER AND ASSISTANTS > Title: FROM AMINOLYSIS PRODUCT OF PET WASTE TO VALUE-ADDED PRODUCTS OF POLYMER AND ASSISTANTS Page Range: p.13-16 Author(s): Ling-na Zhang; Li-zhu Liu; Qun-feng Yue; Chun-cheng Zhu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/from-aminolysis-product-of-pet-waste-to-value-added-products-of-polymer-and-assistants/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FROM AMINOLYSIS PRODUCT OF PET WASTE TO VALUE-ADDED PRODUCTS OF POLYMER AND ASSISTANTS** Page Range: p.13-16 Author(s): Ling-na Zhang; Li-zhu Liu; Qun-feng Yue; Chun-cheng Zhu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102076&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** In this work, the aminolysis depolymerisat of poly(ethylene terephthalate) PET was carried out with ethanolamine and several acetates as catalysts. The main product, bis(2-hydroxyethyl) terephthalamide (BHETA), was identified from FTIR and 1H NMR. It was found that PET depolymerisat is favoured by increasing temperature, time and catalysts. Results shown that under present conditions of aminolysis, the conversion of PET was 100% and high yield of BHETA. Moreover, aminolysis products have the potential to undergo further reactions to yield secondary value-added product, such as unsaturated polyesters, polyurethanes, epoxy resin hardeners and non-ionic polymer surfactants. 9 Refs. --- --- Source: https://polymerjournals.com/pipe-stiffness-prediction-of-buried-gfrp-flexible-pipe/ # PIPE STIFFNESS PREDICTION OF BURIED GFRP FLEXIBLE PIPE > Title: PIPE STIFFNESS PREDICTION OF BURIED GFRP FLEXIBLE PIPE Page Range: p.17-24 Author(s): Joon-Seok Park; Won-Hee Hong; Wan Lee; Jung-Hwan Park; Soon-Jong Yoon File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/pipe-stiffness-prediction-of-buried-gfrp-flexible-pipe/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PIPE STIFFNESS PREDICTION OF BURIED GFRP FLEXIBLE PIPE** Page Range: p.17-24 Author(s): Joon-Seok Park; Won-Hee Hong; Wan Lee; Jung-Hwan Park; Soon-Jong Yoon File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102077&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** In this paper, we present the result of investigations pertaining to the pipe stiffness (PS) of glass fibre reinforced polymer plastic (GFRP) flexible pipes buried underground. PS formula for the parallel plate loading condition is derived based on the elasticity theory. Vertical and horizontal displacements are also derived. In the study, the mechanical properties and structural behaviour of GFRP flexible pipes are investigated experimentally and the results are used in the analysis and design of these flexible pipes. Pipe stiffness of GFRP flexible pipe is investigated by the parallel plate loading test, the finite element analysis, and theoretical analysis. The results of pipe stiffness of the GFRP flexible pipe obtained by the experiment, theory, and the finite element analysis are compared and close agreements are observed. 13 Refs. --- --- Source: https://polymerjournals.com/numerical-simulation-of-the-mode-i-fracture-of-angle-ply-composites-using-the-exponential-cohesive-zone-model/ # NUMERICAL SIMULATION OF THE MODE I FRACTURE OF ANGLE-PLY COMPOSITES USING THE EXPONENTIAL COHESIVE ZONE MODEL > Title: NUMERICAL SIMULATION OF THE MODE I FRACTURE OF ANGLE-PLY COMPOSITES USING THE EXPONENTIAL COHESIVE ZONE MODEL Page Range: p.25-30 Author(s): Guowei Zhu; Peng Qu; Jiaqi Nie; Yunli Guo; Yuxi Jia File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/numerical-simulation-of-the-mode-i-fracture-of-angle-ply-composites-using-the-exponential-cohesive-zone-model/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUMERICAL SIMULATION OF THE MODE I FRACTURE OF ANGLE-PLY COMPOSITES USING THE EXPONENTIAL COHESIVE ZONE MODEL** Page Range: p.25-30 Author(s): Guowei Zhu; Peng Qu; Jiaqi Nie; Yunli Guo; Yuxi Jia File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102078&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** The cohesive zone model (CZM), which is based on the elasto-plastic fracture mechanics, is nowadays widely used in the numerical simulation of the composites ductile crack and progressive delamination. For the sake of tracking the angle-ply composites delamination evolution accurately, the exponential CZM is applied. At first the standard double cantilever beam (DCB) specimen is modelled using the exponential interface damage law to verify the feasibility of it. The simulated results are in good agreement with the analytical results and corrected beam theory. Then in order to investigate how the ply angle influences the mode I fracture, five laminates with different ply orientations, [012/012], [012/3012], [012/4512], [012/6012] and [012/9012], are studied. The main results are obtained as follows. The delamination evolutions corresponding to different ply angles are quite non-uniform. The unidirectional laminate exhibits the stable, continuous crack growth along the specimen, so does the [012/9012] specimen. Whereas the other three specimens show very uneven fracture surfaces. When the plies change from [012/012] to [012/9012], the stiffness along the specimen is gradually reduced correspondingly, so are the distance of the delamination propagation and the peak load, while the corresponding loading displacement increases slowly. The research provides the numerical simulation method to evaluate the multidirectional laminated composites fracture toughness, and then to optimize the composite performance by the design of ply angles. 15 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-and-fracture-behavior-of-dual-curable-epoxyacrylate-composites-filled-with-different-functionalized-silica-particles/ # MECHANICAL PROPERTIES AND FRACTURE BEHAVIOR OF DUAL-CURABLE EPOXYACRYLATE COMPOSITES FILLED WITH DIFFERENT FUNCTIONALIZED SILICA PARTICLES > Title: MECHANICAL PROPERTIES AND FRACTURE BEHAVIOR OF DUAL-CURABLE EPOXYACRYLATE COMPOSITES FILLED WITH DIFFERENT FUNCTIONALIZED SILICA PARTICLES Page Range: p.31-38 Author(s): Yu-Chieh Su; Chung-Yih Wang; Trong-Ming Don File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/mechanical-properties-and-fracture-behavior-of-dual-curable-epoxyacrylate-composites-filled-with-different-functionalized-silica-particles/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES AND FRACTURE BEHAVIOR OF DUAL-CURABLE EPOXYACRYLATE COMPOSITES FILLED WITH DIFFERENT FUNCTIONALIZED SILICA PARTICLES** Page Range: p.31-38 Author(s): Yu-Chieh Su; Chung-Yih Wang; Trong-Ming Don File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102079&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** To investigate the interfacial effect on properties of epoxyacrylate-silica composites, sub-micron silica particles were synthesised by sol-gel reaction in an ammonia/ethanol solution and their surfaces were endowed with different functional groups by reaction with several silanes including 3-methacryloxypropyl trimethoxysilane (MPTMS), vinyl trimethoxysilane (VTMS), 3-glycidoxypropyl trimethoxysilane (GPTMS) and 3-aminopropyl trimethoxysilane (APTMS). Except the APTMS-modified silica particles due to its severe aggregation, the modified silica particles with size ranging from 150~250 nm were then added to the pre-synthesized difunctional epoxyacrylate resin at a concentration of 15 phr, in addition to the photo- and thermo-curing agents. Tensile mechanical properties and the fracture toughness were all increased by adding the silica particles into the epoxyacrylate. Particularly, the composite filled with the MPTMS-modified silica particles (EA-MPS15) had the best performance. The reason is that the vinyl double bond of the MPTMS on the surface of the silica particles could took part in the curing reaction of the epoxyacrylate, thus providing strong interfacial chemical bonding between the silica particles and the polymer matrix and also improving the dispersion of the silica particles. The increase of fracture toughness was due to the crack deflection and particle-matrix debonding as evidenced by SEM pictures on the fracture surface. 13 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-silica-polymer-antifogging-coatings/ # PREPARATION AND CHARACTERIZATION OF SILICA/POLYMER ANTIFOGGING COATINGS > Title: PREPARATION AND CHARACTERIZATION OF SILICA/POLYMER ANTIFOGGING COATINGS Page Range: p.39-44 Author(s): Chao-Chin Chang; Kuan-Chung Wang; Ching-Chung Chen; Liao-Ping Cheng File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-silica-polymer-antifogging-coatings/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF SILICA/POLYMER ANTIFOGGING COATINGS** Page Range: p.39-44 Author(s): Chao-Chin Chang; Kuan-Chung Wang; Ching-Chung Chen; Liao-Ping Cheng File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102080&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** This research work concerns the preparation of a bi-layer antifogging (AF) coating on a polycarbonate plastic substrate. The bottom layer, serving as a mechanical support, is an organic-inorganic composite that is formed by embedding colloidal silica in a crosslinked network of b-glycidoxypropyltrimethoxysiline. Atop this layer, a coating formulation incorporating glycidyl methacrylate and poly(ethylene oxide)-based hydrophilic species was applied and then UV-cured to yield a film exhibiting the AF effect. Solid-state 29Si-NMR and FTIR were employed to investigate the evolution of chemical bonds during the sol-gel and the UV-curing processes. Contact angles of water on the coatings were measured to examine the hydrophilicity of the coatings. Furthermore, industrial tests such as pencil hardness, tape adhesion, and steam tests were carried out to evaluate the performance of the coatings. 21 Refs. --- --- Source: https://polymerjournals.com/thermal-analysis-of-a-novel-tetrafunctional-epoxy-resin-cured-with-anhydride/ # THERMAL ANALYSIS OF A NOVEL TETRAFUNCTIONAL EPOXY RESIN CURED WITH ANHYDRIDE > Title: THERMAL ANALYSIS OF A NOVEL TETRAFUNCTIONAL EPOXY RESIN CURED WITH ANHYDRIDE Page Range: p.45-50 Author(s): Zhou Z W; Yu M M; Bai R C; Li A J; Sun J L; Ren M S File size: Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/thermal-analysis-of-a-novel-tetrafunctional-epoxy-resin-cured-with-anhydride/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL ANALYSIS OF A NOVEL TETRAFUNCTIONAL EPOXY RESIN CURED WITH ANHYDRIDE** Page Range: p.45-50 Author(s): Zhou Z W; Yu M M; Bai R C; Li A J; Sun J L; Ren M S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102081&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** The viscoelastic behaviour and thermal property of 3, 3'-diethyl-N, N, N', N'-tetraglycidyl-4, 4'-diaminodiphenylmethane (C2H5-TGDDM ) epoxy resin in presence of methyl nadic anhydride (MNA) as curing agent and 2-ethyl-4-methyl imidazole (2,4-EMI) as accelerator were investigated by dynamic mechanical thermal analysis (DMTA) in single cantilever mode at different frequencies and non-isothermal DSC-TGA, respectively. According to the DMTA data, the results show that the storage and loss moduli and loss factor curves were shifted to higher temperatures region with increasing frequencies. The value of glass transition temperature (Tg) is in the range of 224 deg C to 247 deg C, and the difference between the Tg determined by the loss modulus and loss factor peaks is ca. 15 deg C, and the glass transition activation energy was calculated. The results of DSC-TGA show that the curing and the decomposition heat-release peaks of epoxy resin were occurred at ca. 191 deg C and 360 deg C, respectively. The onset temperature of degradation is 324 deg C, and the epoxy resin system was heat-resistant. 16 Refs. --- --- Source: https://polymerjournals.com/ratcheting-behaviors-of-the-carbon-fiber-reinforced-peek-composites-experimental-study-and-numerical-simulation/ # RATCHETING BEHAVIORS OF THE CARBON FIBER REINFORCED PEEK COMPOSITES: EXPERIMENTAL STUDY AND NUMERICAL SIMULATION > Title: RATCHETING BEHAVIORS OF THE CARBON FIBER REINFORCED PEEK COMPOSITES: EXPERIMENTAL STUDY AND NUMERICAL SIMULATION Page Range: p.51-58 Author(s): Zhiwu Zhu; Xu Liu; Xiangyu Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/ratcheting-behaviors-of-the-carbon-fiber-reinforced-peek-composites-experimental-study-and-numerical-simulation/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RATCHETING BEHAVIORS OF THE CARBON FIBER REINFORCED PEEK COMPOSITES: EXPERIMENTAL STUDY AND NUMERICAL SIMULATION** Page Range: p.51-58 Author(s): Zhiwu Zhu; Xu Liu; Xiangyu Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102082&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** In this study, uniaxial tensile tests were performed on the polyether ether ketone (PEEK) resins and the carbon fibre/polyether ether ketone (CF/PEEK) composites. The ratcheting behaviours of the CF/PEEK composites under stress-controlled cyclic loading were studied by using a combined experimental and finite element approach, with a particular emphasis on the effects of mean stress and stress amplitude. Based on the constitutive relation parameters obtained from the uniaxial tensile tests, the representative volume element model of the CF/PEEK composite was established by using ABAQUS and the random sequence of adsorption (RSA) algorithm. The experimental and numerical simulation results were compared under the same loading conditions. It was showed that a noticeable ratcheting occurred in the composites under the asymmetric stress-controlled cyclic loading and was positively related to the stress amplitude and mean stress. A good agreement between the experimental and simulation results was achieved in this study. Therefore, the finite element simulation is a useful method to predict the ratcheting strains of the CF/PEEK composites under different conditions. 16 Refs. --- --- Source: https://polymerjournals.com/damage-effects-of-charged-particles-irradiation-on-an-epoxy-resin/ # DAMAGE EFFECTS OF CHARGED PARTICLES IRRADIATION ON AN EPOXY RESIN > Title: DAMAGE EFFECTS OF CHARGED PARTICLES IRRADIATION ON AN EPOXY RESIN Page Range: p.59-64 Author(s): Yu Gao; Shangli Dong; Jianwen Bao; Yang Guo; Shaowei Lu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/damage-effects-of-charged-particles-irradiation-on-an-epoxy-resin/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DAMAGE EFFECTS OF CHARGED PARTICLES IRRADIATION ON AN EPOXY RESIN** Page Range: p.59-64 Author(s): Yu Gao; Shangli Dong; Jianwen Bao; Yang Guo; Shaowei Lu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102083&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** In this study, the mass loss effect and the related outgassing of 5224 epoxy resin have been investigated. Subsequent irradiation of 160 keV proton and electron with the fluences ranging from 5.4x1015 to 3.75x1016 cm-2 in vacuum (1.2x10-5 Pa) was performed. The increase of the fluence of proton or electron made the mass loss ratios increase, then level off. The surface roughness of specimens increased followed by augmenting as the function of fluence. The outgassing rate of most molecule ions reached to maximum under the fluences ranging from 5.4x1015 cm-2 to 1.18x1016 cm-2. With further increasing fluence, the outgassing rate decreased owing to the effects of carbon enrichment or even carbonification developed gradually on the surface layer of the irradiated specimens. It is suggested that two events might play vital roles in dominating the magnitude of the outgassing rates: one is the formation of molecule ions; the other is the enrichment of carbon on the surface layer. 12 Refs. --- --- Source: https://polymerjournals.com/evaluation-of-pp-clay-composites-as-soundproofing-material/ # EVALUATION OF PP/CLAY COMPOSITES AS SOUNDPROOFING MATERIAL > Title: EVALUATION OF PP/CLAY COMPOSITES AS SOUNDPROOFING MATERIAL Page Range: p.65-72 Author(s): Jun Yan; Myung-Sub Kim; Kyung-Min Kang; Kyung-Hoon Joo; Yeon-June Kang; Sung-Hoon Ahn File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/evaluation-of-pp-clay-composites-as-soundproofing-material/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF PP/CLAY COMPOSITES AS SOUNDPROOFING MATERIAL** Page Range: p.65-72 Author(s): Jun Yan; Myung-Sub Kim; Kyung-Min Kang; Kyung-Hoon Joo; Yeon-June Kang; Sung-Hoon Ahn File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102084&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** Noise should be disappeared or reduced by using soundproofing materials in our daily life. Polypropylene (PP)/ Clay composites are interesting because of their physical and mechanical properties dramatically increased by small quantity of clay filled in PP matrix. In this paper, different types of specimens were made at 0.9, 2.9, 4.8, 6.5, 8.2 and 9.9 wt.% of organically modified clay reinforced PP (100 gram) by solvent based techniques. A heating press and laser cutting process were used to create specimens with thickness 3 mm, diameter 29 mm and 100 mm for high and low sound frequency test, respectively. The soundproofing property was measured by sound transmission loss (TL) through impedance tube method. The measured results showed that about 7~14.8 dB sound TL was increased for 29 mm diameter PP/Clay (6.5 wt.%) composite specimens compared with pure PP at 3200~6400Hz. And about 3.3~5.3 dB sound TL was increased for 100 mm diameter PP/Clay (6.5 wt.%) composite specimens compared with pure PP at 520~640Hz. In addition, mechanical properties of this composite were measured, and TEM images were taken in order to observe the micro-structure for research on relationship between soundproofing property and micromechanism. 24 Refs. --- --- Source: https://polymerjournals.com/development-of-a-finite-element-model-for-progressive-damage-analysis-of-composite-laminates-subjected-to-low-velocity-impact/ # DEVELOPMENT OF A FINITE ELEMENT MODEL FOR PROGRESSIVE DAMAGE ANALYSIS OF COMPOSITE LAMINATES SUBJECTED TO LOW VELOCITY IMPACT > Title: DEVELOPMENT OF A FINITE ELEMENT MODEL FOR PROGRESSIVE DAMAGE ANALYSIS OF COMPOSITE LAMINATES SUBJECTED TO LOW VELOCITY IMPACT Page Range: p.73-78 Author(s): Yuequan Wang; Shuhua Zhu; Junwei Qi; Jun Xiao File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/development-of-a-finite-element-model-for-progressive-damage-analysis-of-composite-laminates-subjected-to-low-velocity-impact/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEVELOPMENT OF A FINITE ELEMENT MODEL FOR PROGRESSIVE DAMAGE ANALYSIS OF COMPOSITE LAMINATES SUBJECTED TO LOW VELOCITY IMPACT** Page Range: p.73-78 Author(s): Yuequan Wang; Shuhua Zhu; Junwei Qi; Jun Xiao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102085&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** Fibre reinforced polymer laminates are susceptible to transverse low velocity impact which can cause significant damages, such as matrix cracks, delamination and fibre breakage. A 3-Dimensional (3-D) finite element model (FEM) is presented for the progressive damage analysis of fibre reinforced laminates subjected to low velocity impact. The constitutive equations of material used in the FEM are based on the continuum damage mechanics (CDM). The modified HASHIN failure criterions are used in the material model to detect the initiation of all the failure modes of laminates. A simplified material stiffness degradation scheme is used to characterize the material degradation due to damages. The failure criterions and material degradation scheme have been incorporated in the software ABAQUS/Explicit through the user defined material subroutine VUMAT. The available experiments of thin carbon fibre reinforced epoxy laminates subjected to low velocity impact were used to validate the developed FEM. The good agreement of the impact contact force history and damage area between the analysis results and the experimental data shows the validation of the developed FEM. 14 Refs. --- --- Source: https://polymerjournals.com/investigation-of-the-interface-parameters-of-fiber-reinforced-composite-materials/ # INVESTIGATION OF THE INTERFACE PARAMETERS OF FIBER-REINFORCED COMPOSITE MATERIALS > Title: INVESTIGATION OF THE INTERFACE PARAMETERS OF FIBER-REINFORCED COMPOSITE MATERIALS Page Range: p.79-84 Author(s): Zhimin Xie; Dongliang Chai; Yanyan Weng; Haiwen Du File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/investigation-of-the-interface-parameters-of-fiber-reinforced-composite-materials/ Published: 2014-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INVESTIGATION OF THE INTERFACE PARAMETERS OF FIBER-REINFORCED COMPOSITE MATERIALS** Page Range: p.79-84 Author(s): Zhimin Xie; Dongliang Chai; Yanyan Weng; Haiwen Du File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc22-1&JournalID=102086&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 22 Issue No: No.1 **Abstract** Design of the interfacial properties is a significant fundamental issue in the field of composite materials. Much attention has been paid to the improvement of the interface strength, while there has been a little work concerning the mechanical design of the interface for fibre-reinforced polymers (FRPs) in which the fibre is transversely isotropic thanks to its orientation feature. Based on the conception of neutral inclusion and imperfect interface conditions, the interface parameters are obtained for the FRPs by using Kolosov constant. We demonstrate the effect of the thermal residual stresses on the neutrality for FRPs in this paper. If the interface has the properties of design parameters without consideration of thermal stress, the presence of thermal residual stress/strain would break the neutrality in the cases of equal-biaxial tension and pure shear. In particular, the neutral fibre does not exist unless the thermal stress is eliminated in the equal-biaxial tension. In the case of uniaxial tension, the neutral fibre does not exist in absence of thermal stress, while the neutrality would become possible by properly controlling the thermal residual stress. Because the large thermal residual stress will result in the formation of cracks in matrix, a trade-off design is necessary between the neutrality and the initiation of matrix cracking. 14 Refs. --- --- Source: https://polymerjournals.com/fiber-bragg-grating-sensors-for-fatigue-monitoring-of-composite/ # FIBER BRAGG GRATING SENSORS FOR FATIGUE MONITORING OF COMPOSITE > Title: FIBER BRAGG GRATING SENSORS FOR FATIGUE MONITORING OF COMPOSITE Page Range: p.553-560 Author(s): Zhan-Sheng Guo; Jiemin Feng; Hui Wang; Hongjiu Hu; Junqian Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/fiber-bragg-grating-sensors-for-fatigue-monitoring-of-composite/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FIBER BRAGG GRATING SENSORS FOR FATIGUE MONITORING OF COMPOSITE** Page Range: p.553-560 Author(s): Zhan-Sheng Guo; Jiemin Feng; Hui Wang; Hongjiu Hu; Junqian Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102065&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** Fibre Bragg grating (FBG) sensor can be used to monitor the mechanical behaviour of composite. The internal strain of composite during a constant stress amplitude fatigue testing process was monitored with FBG sensors in this paper. FBG sensor as a fatigue indicator can reveal the decrease of Young's modulus of the specimen, which is a direct index of damage. FBG sensor can not only be embedded in composite laminates to detect fatigue damage, but also has excellent durability compared with other sensors such as electric strain gauge. After 1 million cycles, the FBG sensor can still keep good sensibility. FBG sensor as a fatigue indicator is a novel sensor to monitor, evaluate and give crash alert for the health state of composite during its whole service life. And also, a new and simple model of stiffness degradation was developed. This model can be used to predict the fatigue life of composite material. 31 Refs. --- --- Source: https://polymerjournals.com/study-on-cure-induced-residual-stresses-for-fibre-metal-laminate/ # STUDY ON CURE-INDUCED RESIDUAL STRESSES FOR FIBRE METAL LAMINATE > Title: STUDY ON CURE-INDUCED RESIDUAL STRESSES FOR FIBRE METAL LAMINATE Page Range: p.561-564 Author(s): Yue Guangquan; Zhang Jiazhen; Meng Songhe File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue... Canonical URL: https://polymerjournals.com/study-on-cure-induced-residual-stresses-for-fibre-metal-laminate/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON CURE-INDUCED RESIDUAL STRESSES FOR FIBRE METAL LAMINATE** Page Range: p.561-564 Author(s): Yue Guangquan; Zhang Jiazhen; Meng Songhe File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102066&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** During autoclave curing process, because of the mismatch between coefficients of thermal expansion of fibre layers and metal layers, residual stresses are developed in Fibre Metal Laminates (FML). In this paper, a three dimensional finite element model was developed to predict cure-induced residual stresses for FML. And then FML-2/1 and FML-3/2 structures (plate and L-shape) were studied with the finite element model. The results show that residual tensile stress is in metal layers and residual compressive stress is in fibre layers. Residual stresses in Fibre Metal Laminates are bigger enough to affect the deformation and fatigue performance. 11 Refs. --- --- Source: https://polymerjournals.com/the-preparation-of-palygorskite-clay-modified-woodceramics-from-wheat-straw-and-the-absorption-of-them-to-the-phenol-wastewater/ # THE PREPARATION OF PALYGORSKITE CLAY MODIFIED WOODCERAMICS FROM WHEAT STRAW AND THE ABSORPTION OF THEM TO THE PHENOL WASTEWATER > Title: THE PREPARATION OF PALYGORSKITE CLAY MODIFIED WOODCERAMICS FROM WHEAT STRAW AND THE ABSORPTION OF THEM TO THE PHENOL WASTEWATER Page Range: p.565-572 Author(s): Wu W T; Nie Z F; Tan F I; Xu F; Xu L; Gao K I File size:... Canonical URL: https://polymerjournals.com/the-preparation-of-palygorskite-clay-modified-woodceramics-from-wheat-straw-and-the-absorption-of-them-to-the-phenol-wastewater/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE PREPARATION OF PALYGORSKITE CLAY MODIFIED WOODCERAMICS FROM WHEAT STRAW AND THE ABSORPTION OF THEM TO THE PHENOL WASTEWATER** Page Range: p.565-572 Author(s): Wu W T; Nie Z F; Tan F I; Xu F; Xu L; Gao K I File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102067&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** This paper used wheat straw and palygorskite clay as raw materials, and phenolic resin as adhesive. By the technologies of powdering, mixing, solidifying, moulding and sintering, the palygorskite clay Modified woodceramics were obtained. And it made use of these porous composite materials to research the adsorption of the phenol wastewater, which explored the adsorption effect of the composite materials on phenol and found out the optimum conditions of adsorption by changing the ratio of raw materials, sintering temperature, dosage of composite materials, oscillating time and pH. The result of the palygorskite clay Modified woodceramics prepared by different dosing ration of raw materials and sintering temperatures on phenol showed that the removal effect of the composite materials (wheat straw: palygorskite clay=5:1, sintering temperature = 900 deg C) on phenol was best. Using the palygorskite clay modified woodceramics to adsorb the phenol wastewater. It turned out that when the dosage of the composite materials was 0.5 g, the Oscillating time was 60 mins, and the solution temperature was 25 deg C, the composite materials adsorption efficiency on phenol was the highest. In addition, the higher the phenol solution concentration and pH, the lower the adsorption efficiency was. What's more, the absorbability of the composite materials on phenol corresponded with Feundlich adsorption model, and the saturated adsorption was 45.66 mg/L, which indicated that the palygorskite clay Modified woodceramics had strong adsorption effect to phenol. 30 Refs. --- --- Source: https://polymerjournals.com/analysis-of-mechanical-properties-of-carbon-epoxy-composites-in-the-near-critical-water-decomposition/ # ANALYSIS OF MECHANICAL PROPERTIES OF CARBON /EPOXY COMPOSITES IN THE NEAR CRITICAL WATER DECOMPOSITION > Title: ANALYSIS OF MECHANICAL PROPERTIES OF CARBON /EPOXY COMPOSITES IN THE NEAR CRITICAL WATER DECOMPOSITION Page Range: p.573-580 Author(s): Xuegang Jia; Yuyan Liu; Lan Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/analysis-of-mechanical-properties-of-carbon-epoxy-composites-in-the-near-critical-water-decomposition/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANALYSIS OF MECHANICAL PROPERTIES OF CARBON /EPOXY COMPOSITES IN THE NEAR CRITICAL WATER DECOMPOSITION** Page Range: p.573-580 Author(s): Xuegang Jia; Yuyan Liu; Lan Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102068&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** Carbon fibre/epoxy resin composites have been widely used in many fields. However, they hardly melt at high temperatures or dissolve in any regular solvents. The recycling of carbon fibre/epoxy resin composites is one of the top research priorities. Carbon fibre/epoxy resin composite laminates consist of layers which are made of different materials. In near critical water, layers experience different forces, which result in the separation of layers and then accelerate the decomposition. In order to reach our final goal, decomposition of carbon fibre/ epoxy resin composite laminates in near critical water, the characteristics of stress and strain of carbon fibre/ epoxy resin laminates are necessary to know to guide the further study of decomposition. In this project, the stress and strain of carbon fibre/epoxy resin laminates in nearly critical water were analysed using the ANSYS software. The results showed that temperature and pressure affected stress and strain of laminates differently in X and Y directions. In addition, the increased number of layers of laminates will increase the interlaminar shear stress, peeling stress, and the strain in Y direction, but will decrease the strain in X direction. 19 Refs. --- --- Source: https://polymerjournals.com/finite-element-analysis-of-the-fatigue-crack-tip-parameters-in-the-glass-fiber-reinforced-aluminum-alloy-laminates-under-tension-compression-loading/ # FINITE ELEMENT ANALYSIS OF THE FATIGUE CRACK TIP PARAMETERS IN THE GLASS FIBER REINFORCED ALUMINUM ALLOY LAMINATES UNDER TENSION-COMPRESSION LOADING > Title: FINITE ELEMENT ANALYSIS OF THE FATIGUE CRACK TIP PARAMETERS IN THE GLASS FIBER REINFORCED ALUMINUM ALLOY LAMINATES UNDER TENSION-COMPRESSION LOADING Page Range: p.581-586 Author(s): Bai Shigang; Zhang Jiazhen; Sha Yu; Zhou Zhengong File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/finite-element-analysis-of-the-fatigue-crack-tip-parameters-in-the-glass-fiber-reinforced-aluminum-alloy-laminates-under-tension-compression-loading/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FINITE ELEMENT ANALYSIS OF THE FATIGUE CRACK TIP PARAMETERS IN THE GLASS FIBER REINFORCED ALUMINUM ALLOY LAMINATES UNDER TENSION-COMPRESSION LOADING** Page Range: p.581-586 Author(s): Bai Shigang; Zhang Jiazhen; Sha Yu; Zhou Zhengong File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102069&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** Elastic-plastic finite element analyses have been performed to study the compressive stress effect on fatigue crack growth of the glass fibre reinforced aluminium alloy laminates (GLARE) under applied tension-compression loading. The crack opening displacement and plastic zone size were obtained for the aluminium layer in GLARE. The differences of parameters near the crack tip under tension-compression and tension-tension loading were observed. The results have shown that the displacement and reverse plastic zone size continue to change with the applied compressive stress. Based on the finite element analysis results, a fatigue crack propagation model of GLARE has been proposed. 11 Refs. --- --- Source: https://polymerjournals.com/numerical-analysis-of-bird-impact-on-a-glare-plate/ # NUMERICAL ANALYSIS OF BIRD IMPACT ON A GLARE PLATE > Title: NUMERICAL ANALYSIS OF BIRD IMPACT ON A GLARE PLATE Page Range: p.587-592 Author(s): Liu Fu; Zhang Jiazhen; Hu Zhongmin; Zhang Mingyi File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/numerical-analysis-of-bird-impact-on-a-glare-plate/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUMERICAL ANALYSIS OF BIRD IMPACT ON A GLARE PLATE** Page Range: p.587-592 Author(s): Liu Fu; Zhang Jiazhen; Hu Zhongmin; Zhang Mingyi File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102070&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** GLARE is a 'Glass Fibre Reinforced Epoxy/Aluminium FMLs (Fibre Metal Laminates)' and has been reported for its excellent impact resistance. In this paper, a numerical model for bird impact on an aluminium alloy plate was established, using the explicit finite element code PAM-CRASH first. A corresponding bird impact experiment was carried out and the simulations were compared with the experimental results. The good agreement between them confirms the accuracy of the numerical analysis model, including the Smoothed Particle Hydrodynamics (SPH) bird model and the aluminium alloy constitutive model. In the second part of the paper,, another simulation on a thinner 2024-T3 aluminium alloy plate was performed, which was used to determine the critical bird impact speed for the plate. By combining the Johnson-Cook model for aluminium alloy and Continuum Damage Mechanics (CDM) theory for the glass fibre reinforced composites, a constitutive model for GLARE was derived. Impact simulations on the GLARE plate with the same thickness and impact speed as the 2024-T3 plate shows no penetration on the GLARE plate and indicates that GLARE can effectively improve the impact resistance of a structure. 10 Refs. --- --- Source: https://polymerjournals.com/compression-buckling-response-of-tow-placed-variable-stiffness-composite-panels-with-sine-curved-and-tangent-curved-fibers/ # COMPRESSION BUCKLING RESPONSE OF TOW-PLACED, VARIABLE STIFFNESS COMPOSITE PANELS WITH SINE CURVED AND TANGENT CURVED FIBERS > Title: COMPRESSION BUCKLING RESPONSE OF TOW-PLACED, VARIABLE STIFFNESS COMPOSITE PANELS WITH SINE CURVED AND TANGENT CURVED FIBERS Page Range: p.593-598 Author(s): Qin Yongli; Zhu Yingdan; Yu Yueping; Yan Chun; Zhang Xiaoqing; Fan Xinyu File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/compression-buckling-response-of-tow-placed-variable-stiffness-composite-panels-with-sine-curved-and-tangent-curved-fibers/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPRESSION BUCKLING RESPONSE OF TOW-PLACED, VARIABLE STIFFNESS COMPOSITE PANELS WITH SINE CURVED AND TANGENT CURVED FIBERS** Page Range: p.593-598 Author(s): Qin Yongli; Zhu Yingdan; Yu Yueping; Yan Chun; Zhang Xiaoqing; Fan Xinyu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102071&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** Tailoring of composite laminated panels by Variable Angle Tow (VAT) steering fibres in their optimal spatial orientations provides a unique opportunity to maximize performance. Increased buckling response of the laminates by VAT steering technique may directly provide significant weight savings by redistributing loads in a benign manner. The aim of this work is to design tow-placed, variable stiffness composite panels with resistance to buckling by steering sine curved and tangent curved fibres. Buckling behaviours of two types of VAT panels and three typical types of straight fibre panels ([45/-45/0/90]s,[ plus/minus 45]2s, [0/90]2s) are investigated by finite element numerical simulations. It is found that the VAT panels with sine curved and tangent curved fibres show much better buckling performance to traditional straight fibre panels, with 9.25%-30.75% and 8.18%-29.47% improvement in buckling load respectively and a more uniform stress distribution. These results demonstrate that the design of composite laminated panels with sine curved and tangent curved fibre formats has the potential for buckling performance improvements in structural efficiency, and sine curved fibres may enhance buckling property of composite laminates better than tangent curved fibres do. 16 Refs. --- --- Source: https://polymerjournals.com/tensile-behavior-of-hybrid-plain-woven-fabric-laminate-repaired-by-scarfing-method/ # TENSILE BEHAVIOR OF HYBRID PLAIN WOVEN FABRIC LAMINATE REPAIRED BY SCARFING METHOD > Title: TENSILE BEHAVIOR OF HYBRID PLAIN WOVEN FABRIC LAMINATE REPAIRED BY SCARFING METHOD Page Range: p.599-606 Author(s): Liu Sui; Guan Zhidong; Guo Xia; Chen Jianhua; Xi Guofen; Cai Jing File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/tensile-behavior-of-hybrid-plain-woven-fabric-laminate-repaired-by-scarfing-method/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE BEHAVIOR OF HYBRID PLAIN WOVEN FABRIC LAMINATE REPAIRED BY SCARFING METHOD** Page Range: p.599-606 Author(s): Liu Sui; Guan Zhidong; Guo Xia; Chen Jianhua; Xi Guofen; Cai Jing File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102072&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** Experimental investigation on tensile behaviour of hybrid plain woven fabric laminate repaired by scarfing method was conducted in the paper. There were 3 types of specimens with scarf ratio of 1:10, 1:20 and 1:30, respectively. Tests results indicated the tensile strength of repaired laminate increasing with scarf ratio and the specimen with the scarf ratio of 1:30 has the highest tensile strength which could reach 103.2% of the intact laminate strength. Besides, distinct differences were observed on failure mode of specimens with different scarf ratio. For specimen with scarf ratio of 1:10, damage initiated and propagated in repair zone while failure occurred outside repair zone for 1:30 specimen. A finite element model was developed with ABAQUS to simulate tensile behaviour of repaired specimens. The calculated results were in good agreement with test results. Based on the numerical model, influence of scarf ratio to stress distribution in adhesive, ultimate tensile strength and failure mode of repaired laminate was discussed. Results of the investigation provide insight into scarfing repair design method on hybrid plain woven fabric laminate. 21 Refs. --- --- Source: https://polymerjournals.com/effect-of-surface-properties-of-t800-carbon-fibers-on-epoxy-fiber-interface-adhesion/ # EFFECT OF SURFACE PROPERTIES OF T800 CARBON FIBERS ON EPOXY /FIBER INTERFACE ADHESION > Title: EFFECT OF SURFACE PROPERTIES OF T800 CARBON FIBERS ON EPOXY /FIBER INTERFACE ADHESION Page Range: p.607-612 Author(s): Li-li Wang; Peng Li; Ling-cong Li; Yun-hua Yu; Xiao-ping Yang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/effect-of-surface-properties-of-t800-carbon-fibers-on-epoxy-fiber-interface-adhesion/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SURFACE PROPERTIES OF T800 CARBON FIBERS ON EPOXY /FIBER INTERFACE ADHESION** Page Range: p.607-612 Author(s): Li-li Wang; Peng Li; Ling-cong Li; Yun-hua Yu; Xiao-ping Yang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102073&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** The purpose of this paper is to study the effect of surface properties of domestic sized-T800 carbon fibres on the epoxy/fibre interfacial adhesion by comparing with Toray sized-T800 carbon fibres. Surface chemistry analysis of the fibres was carried out by using X-ray photoelectron spectroscopy (XPS). The surface roughness of the carbon fibres was characterized by scanning electron microscope (SEM) and atomic force microscope (AFM). Dynamic contact angle analysis (DCAA) was selected to characterize the surface energy of the two types of carbon fibres. The interlaminar shear strength (ILSS) test, SEM and Dynamic mechanical thermal analysis (DMTA) were used to study the interface adhesion of the two carbon fibre reinforced epoxy composites. The results show that Toray sized-T800 carbon fibre/epoxy composite has higher interlaminar shear strength than domestic sized-T800/epoxy composite because Toray sized-T800 carbon fibres have more active and rougher surface than the domestic sized-T800 carbon fibres. 29 Refs. --- --- Source: https://polymerjournals.com/dynamic-analysis-on-composite-laminates-subjected-to-low-velocity-impact-damage/ # DYNAMIC ANALYSIS ON COMPOSITE LAMINATES SUBJECTED TO LOW-VELOCITY IMPACT DAMAGE > Title: DYNAMIC ANALYSIS ON COMPOSITE LAMINATES SUBJECTED TO LOW-VELOCITY IMPACT DAMAGE Page Range: p.613-618 Author(s): Peng Qu; Xiaojun Guan; Jiaqi Nie; Guowei Zhu; Yuxi Jia File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/dynamic-analysis-on-composite-laminates-subjected-to-low-velocity-impact-damage/ Published: 2013-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DYNAMIC ANALYSIS ON COMPOSITE LAMINATES SUBJECTED TO LOW-VELOCITY IMPACT DAMAGE** Page Range: p.613-618 Author(s): Peng Qu; Xiaojun Guan; Jiaqi Nie; Guowei Zhu; Yuxi Jia File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-9&JournalID=102074&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.9 **Abstract** The hierarchical and heterogeneous structure characteristics of composite laminates give rise to the difficulty in the study of the composite laminates damage under low-velocity impact. A numerical method for the evaluation of the impact damage was proposed on the basis of the continuum damage mechanics (CDM) and the cohesive zone model (CZM). The method can bring stable simulations and can effectively establish the relation between the mesoscale structure and the macroscopic response under impact. The evolution of the impact damage and the effect of single ply orientation on the impact damage resistance were investigated. It is found that the tangential delamination is the dominant form of the interface damage and more orientation of fibre can make the impact resistance improved. The prediction has a good agreement with the experimental results. The dynamic analysis is helpful for a thorough understanding of the evolution of low-velocity impact damages in composite laminates. 12 Refs. --- --- Source: https://polymerjournals.com/extrusion-of-cnt-modified-polymers-with-low-viscosity-influence-of-crystallization-and-cnt-orientation-on-the-electrical-properties/ # EXTRUSION OF CNT-MODIFIED POLYMERS WITH LOW VISCOSITY – INFLUENCE OF CRYSTALLIZATION AND CNT ORIENTATION ON THE ELECTRICAL PROPERTIES > Title: EXTRUSION OF CNT-MODIFIED POLYMERS WITH LOW VISCOSITY - INFLUENCE OF CRYSTALLIZATION AND CNT ORIENTATION ON THE ELECTRICAL PROPERTIES Page Range: p.473-482 Author(s): Steinmann W; Vad T; Weise B; Wulfhorst J; Seide G; Gries T; Heidelmann M; Weirich T File size: Download... Canonical URL: https://polymerjournals.com/extrusion-of-cnt-modified-polymers-with-low-viscosity-influence-of-crystallization-and-cnt-orientation-on-the-electrical-properties/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXTRUSION OF CNT-MODIFIED POLYMERS WITH LOW VISCOSITY - INFLUENCE OF CRYSTALLIZATION AND CNT ORIENTATION ON THE ELECTRICAL PROPERTIES** Page Range: p.473-482 Author(s): Steinmann W; Vad T; Weise B; Wulfhorst J; Seide G; Gries T; Heidelmann M; Weirich T File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102057&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** Several polymers were modified with multiwalled carbon nanotubes (CNT) to study the influences of the crystallisation in the polymeric matrix and of the CNT orientation during extrusion on the electrical conductivity. Experiments were carried out with common semi-crystalline polymers (polypropylene, polyethylene, polyamide 6) and compared to an amorphous polymer (ethylene vinyl acetate). All polymers were grades with low viscosity, so that the CNT could be oriented well during extrusion. For all materials, the percolation threshold was determined, and the lowest value of 3% was found in polypropylene. The percolation threshold was correlated to the degree of crystallinity of the matrix polymers, so that crystallites could be seen as an excluded volume for CNT. The crystallisation itself was analysed by differential scanning calorimetry (DSC), whereby nucleation effects and changes in the crystallisation temperature were found. The shear rate during extrusion had a large influence on the electrical conductivity. This effect was analysed by transmission electron microscopy (TEM), with which the orientation of CNT in the direction of extrusion was visualized and differences between the polymer matrices were explained. 37 Refs. --- --- Source: https://polymerjournals.com/processing-and-characterization-of-continuous-fibre-tapes-co-moulded-with-long-fibre-reinforced-thermoplastics/ # PROCESSING AND CHARACTERIZATION OF CONTINUOUS FIBRE TAPES CO-MOULDED WITH LONG FIBRE REINFORCED THERMOPLASTICS > Title: PROCESSING AND CHARACTERIZATION OF CONTINUOUS FIBRE TAPES CO-MOULDED WITH LONG FIBRE REINFORCED THERMOPLASTICS Page Range: p.483-494 Author(s): Balaji Thattaiparthasarathy K; Selvum Pillay; Dhruv Bansal; Haibin Ning; Vaidya U K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/processing-and-characterization-of-continuous-fibre-tapes-co-moulded-with-long-fibre-reinforced-thermoplastics/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROCESSING AND CHARACTERIZATION OF CONTINUOUS FIBRE TAPES CO-MOULDED WITH LONG FIBRE REINFORCED THERMOPLASTICS** Page Range: p.483-494 Author(s): Balaji Thattaiparthasarathy K; Selvum Pillay; Dhruv Bansal; Haibin Ning; Vaidya U K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102058&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** An important advantage when designing with plastics is the ability to incorporate features such as ribs, grids and bosses in the part. Rib stiffened polymer matrix composites have been widely used in aerospace, automobile, and civil infrastructure applications due to their high impact and fatigue resistance, high strength and stiffness to weight ratio, and damage tolerance. However, for long fibre-reinforced polymer composites, the processing complexity increases for features including ribs, grids and bosses. An innovative method of replacing ribs is the use of pre-consolidated continuous fibre reinforced thermoplastic (CFRT) tapes that can be co-moulded with long fibre thermoplastics (LFT). This work focuses on processing and performance evaluation in terms of the static and dynamic properties of LFTs co-moulded with pre-consolidated CFRTs, referred to as endless long fibre thermoplastic (E-LFT). The E-LFT approach is an alternative to rib stiffened composites. The effect of the thickness and fibre type in tape reinforced LFT is compared to LFT (with and without ribs) of equivalent flexural rigidity for static flexure and low velocity impact (LVI) response. In all these conditions, E-LFT samples performed better that the LFTs with and without ribs. LFT samples with and without ribs exhibited a brittle failure, as opposed to the progressive failure exhibited by E-LFT. 14 Refs. --- --- Source: https://polymerjournals.com/improvement-in-mechanical-and-thermo-mechanical-properties-of-carbon-fibre-epoxy-composites-using-carboxyl-functionalized-multi-walled-carbon-nanotubes/ # IMPROVEMENT IN MECHANICAL AND THERMO-MECHANICAL PROPERTIES OF CARBON FIBRE/EPOXY COMPOSITES USING CARBOXYL FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES > Title: IMPROVEMENT IN MECHANICAL AND THERMO-MECHANICAL PROPERTIES OF CARBON FIBRE/EPOXY COMPOSITES USING CARBOXYL FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES Page Range: p.495-508 Author(s): Salam M B A; Hosur M V; Jahan N; Rahman M M; Jeelani S File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/improvement-in-mechanical-and-thermo-mechanical-properties-of-carbon-fibre-epoxy-composites-using-carboxyl-functionalized-multi-walled-carbon-nanotubes/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPROVEMENT IN MECHANICAL AND THERMO-MECHANICAL PROPERTIES OF CARBON FIBRE/EPOXY COMPOSITES USING CARBOXYL FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES** Page Range: p.495-508 Author(s): Salam M B A; Hosur M V; Jahan N; Rahman M M; Jeelani S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102059&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** Investigations were carried out to optimize mechanical and thermal performances of carbon fibre/epoxy composites modified with functionalised carbon nanotubes. For fabricating carbon fibre/epoxy nanocomposites, 0.1-0.4 wt.% carboxyl-functionalized multi-walled carbon nanotubes (MWCNTs-COOH) were incorporated in an epoxy system. Laminates were cured at a temperature of 65.55 degrees C. The effects of MWCNT on flexural, interlaminar shear strength (ILSS), tensile and thermo-mechanical properties of carbon fibre/epoxy composites were studied. The results obtained from flexural, ILSS, tensile and dynamic mechanical analysis (DMA) of carbon fibre/epoxy demonstrated a linearly increasing trend in properties up to 0.3 wt.% MWCNT loading. Results obtained from the thermal mechanical analysis showed a linearly decreasing trend in coefficient of thermal expansion up to 0.3 wt.% MWCNT loading. The properties were lower at 0.4 wt.%, due to agglomeration that may have resulted in poor wetting of the carbon fibres. 39 Refs. --- --- Source: https://polymerjournals.com/modelling-and-prediction-of-barrier-properties-of-polymer-layered-silicate-nanocomposites/ # MODELLING AND PREDICTION OF BARRIER PROPERTIES OF POLYMER LAYERED SILICATE NANOCOMPOSITES > Title: MODELLING AND PREDICTION OF BARRIER PROPERTIES OF POLYMER LAYERED SILICATE NANOCOMPOSITES Page Range: p.509-518 Author(s): Vikas Mittal File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8... Canonical URL: https://polymerjournals.com/modelling-and-prediction-of-barrier-properties-of-polymer-layered-silicate-nanocomposites/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODELLING AND PREDICTION OF BARRIER PROPERTIES OF POLYMER LAYERED SILICATE NANOCOMPOSITES** Page Range: p.509-518 Author(s): Vikas Mittal File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102060&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** Different permeation models have been compared with the experimental barrier performance of the polyethylene and polypropylene layered-silicate nanocomposites. It was observed that the models assuming the perfect orientation of filler platelets did not represent the nanocomposite system accurately, whereas the models incorporating the misalignment and incomplete filler exfoliation effects were more efficient. Such models also predicted reduction in the barrier performance of the nanocomposites due to saturation of the polymer matrix with the platelets at a particular filler fraction, an observation which was also experimentally confirmed. Further combinations of these models with each other generated additional insights into the nanocomposite systems such as average aspect ratio, extent of filler platelet randomness, relative platelets distance, shape factor and aggregate thickness etc. As a beneficial alternative, modelling and prediction of the barrier performance of the polymer nanocomposites was also demonstrated using the mixture and factorial design methods. Using factorial design methods, aspect ratio as well as percent randomness of the filler platelets in the nanocomposites could be quantified by knowing beforehand the permeation performance and filler volume fraction. Alternatively, by knowing either the aspect ratio or percent randomness revealed the average permeation behaviour in the nanocomposite of known filler volume fraction. 28 Refs. --- --- Source: https://polymerjournals.com/study-on-the-synthesis-and-antibacterial-properties-of-silver-chitosan-composite/ # STUDY ON THE SYNTHESIS AND ANTIBACTERIAL PROPERTIES OF SILVER-CHITOSAN COMPOSITE > Title: STUDY ON THE SYNTHESIS AND ANTIBACTERIAL PROPERTIES OF SILVER-CHITOSAN COMPOSITE Page Range: p.519-524 Author(s): Yan Bao; Chengrong Wei; Enqi Su; Qi Zhang; Yongxiao Bai File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/study-on-the-synthesis-and-antibacterial-properties-of-silver-chitosan-composite/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON THE SYNTHESIS AND ANTIBACTERIAL PROPERTIES OF SILVER-CHITOSAN COMPOSITE** Page Range: p.519-524 Author(s): Yan Bao; Chengrong Wei; Enqi Su; Qi Zhang; Yongxiao Bai File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102061&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** The aim of this work was to synthesize a silver-chitosan composite to enhance the antibacterial properties of the composite by using as small an amount of silver as possible. The silver-chitosan composite was prepared using a facile method. The structure character of the silver-chitosan composite was characterized by X-ray diffractometry (XRD) and Fourier transform infrared spectroscopy (FT-IR). Its antibacterial activities were evaluated by measurements of the minimal inhibition concentration (MIC), inhibition zone diameter and the kinetics of antibacterial activity. The results indicated that silver was connected with the chitosan homogeneously and stably after initiation by potassium persulphate. The composite exhibited high antibacterial activity to Candida albicans with low MIC and relatively low optical density; it also had good antibacterial activity to Escherichia coli with larger inhibition zone diameter. 44 Refs. --- --- Source: https://polymerjournals.com/fabrication-structural-morphology-and-thermal-energy-storage-retrieval-of-ultrafine-phase-change-fibres-consisting-of-polyethylene-glycol-and-polyamide-6-by-electrospinning/ # FABRICATION, STRUCTURAL MORPHOLOGY AND THERMAL ENERGY STORAGE/RETRIEVAL OF ULTRAFINE PHASE CHANGE FIBRES CONSISTING OF POLYETHYLENE GLYCOL AND POLYAMIDE 6 BY ELECTROSPINNING > Title: FABRICATION, STRUCTURAL MORPHOLOGY AND THERMAL ENERGY STORAGE/RETRIEVAL OF ULTRAFINE PHASE CHANGE FIBRES CONSISTING OF POLYETHYLENE GLYCOL AND POLYAMIDE 6 BY ELECTROSPINNING Page Range: p.525-532 Author(s): Yibing Cai; Xue Zong; Heng Ban; Qian Liu; Hui Qiao; Qufu Wei; Yong Zhao; Hao Fong... Canonical URL: https://polymerjournals.com/fabrication-structural-morphology-and-thermal-energy-storage-retrieval-of-ultrafine-phase-change-fibres-consisting-of-polyethylene-glycol-and-polyamide-6-by-electrospinning/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FABRICATION, STRUCTURAL MORPHOLOGY AND THERMAL ENERGY STORAGE/RETRIEVAL OF ULTRAFINE PHASE CHANGE FIBRES CONSISTING OF POLYETHYLENE GLYCOL AND POLYAMIDE 6 BY ELECTROSPINNING** Page Range: p.525-532 Author(s): Yibing Cai; Xue Zong; Heng Ban; Qian Liu; Hui Qiao; Qufu Wei; Yong Zhao; Hao Fong File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102062&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** This study aimed at the development and characterization/evaluation of polyethylene glycol (PEG) encapsulated in supporting polymer matrices (e.g., electrospun nanofibres) as innovative form-stable phase change materials (PCMs) for storage and retrieval of thermal energy. Ultrafine phase change fibres consisting of PEG (acting as phase change materials) and polyamide 6 (PA6, acting as supporting materials) were successfully fabricated by electrospinning technique. The effects of PEG amount and two different molecular weights (Mn) of PEG on structural morphology and thermal energy storage/retrieval property of PEG/PA6 ultrafine phase change fibres were systematically studied by scanning electron microscopy (SEM) and differential scanning calorimetry (DSC), respectively. The SEM images showed that neat PA6 nanofibres were smooth with cylindrical shape, but the tubercles and/or beads in fibres were observed for PEG/PA6 ultrafine phase change fibres with increasing PEG amount and higher molecular weight of PEG. The average fibre diameters ranged from about 80 to 150 nm and increased with increasing the PEG amount and molecular weight of PEG, which resulted from the increased viscosity and decreased conductivity of composite spin dopes. The DSC results indicated that the enthalpies of melting and crystallisation of PEG/PA6 ultrafine phase change fibres increased with increasing PEG amount, and were lower than those of neat PEG powders. 32 Refs. --- --- Source: https://polymerjournals.com/short-nylon-6-fibre-reinforced-polystyrene-natural-rubber-blends-effect-of-maleated-polystyrene-compatibiliser/ # SHORT NYLON 6 FIBRE REINFORCED POLYSTYRENE/NATURAL RUBBER BLENDS: EFFECT OF MALEATED-POLYSTYRENE COMPATIBILISER > Title: SHORT NYLON 6 FIBRE REINFORCED POLYSTYRENE/NATURAL RUBBER BLENDS: EFFECT OF MALEATED-POLYSTYRENE COMPATIBILISER Page Range: p.533-542 Author(s): Jayalatha G; Kutty S K N File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/short-nylon-6-fibre-reinforced-polystyrene-natural-rubber-blends-effect-of-maleated-polystyrene-compatibiliser/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SHORT NYLON 6 FIBRE REINFORCED POLYSTYRENE/NATURAL RUBBER BLENDS: EFFECT OF MALEATED-POLYSTYRENE COMPATIBILISER** Page Range: p.533-542 Author(s): Jayalatha G; Kutty S K N File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102063&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** Nylon 6 short fibre was used to prepare composites based on blends of 85/15 Polystyrene (PS)/Natural rubber (NR) to study the effects of surface modification of the fibres and a compatibiliser based on PS. Initially, the loading of fibre, cut to 6 mm length, was varied from 0 to 3 wt.% in a 85/15 PS/NR blend. The composites were prepared on a Thermo Haake Rheocord mixer at 170 deg C and sheeted out on a two-roll mill. Tensile, flexural and impact test samples were punched out from sheets and tested to study the mechanical and dynamic mechanical properties. It was found that the tensile properties, flexural properties and impact strength increased with the fibre content up to 1 wt.%, above which there was a significant deterioration in the properties. The fibre surface was further modified by alkali treatment and a reactive compatibiliser based on maleic anhydride-grafted-polystyrene (MA-g-PS) was used in an effort to improve the performance of the composites. The treated Nylon fibre in conjunction with the compatibiliser improved the tensile properties, flexural properties and impact strength. Dynamic mechanical analysis showed that by using the modified fibre and the compatibiliser, the storage modulus of the composite could be significantly improved. The fibre-matrix morphology was studied by SEM analysis of the tensile fractured specimens. Examination of the fibre extracted from the treated fibre composites revealed that some fraction of the matrix was bonded to the fibre surface. These results suggest that a combination of hydrolysed fibre and MA-g-PS increases the interfacial adhesion between the fibre and the matrix. 41 Refs. --- --- Source: https://polymerjournals.com/effect-of-rapid-compression-on-the-crystallization-behaviour-of-polyethylene/ # EFFECT OF RAPID COMPRESSION ON THE CRYSTALLIZATION BEHAVIOUR OF POLYETHYLENE > Title: EFFECT OF RAPID COMPRESSION ON THE CRYSTALLIZATION BEHAVIOUR OF POLYETHYLENE Page Range: p.543-552 Author(s): Ranran Zhuo; Chunguang Shao; Qian Li; Chenggang Liu; Ruijing Zhang; Yang Zhang; Wei Cao; Changyu Shen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/effect-of-rapid-compression-on-the-crystallization-behaviour-of-polyethylene/ Published: 2013-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF RAPID COMPRESSION ON THE CRYSTALLIZATION BEHAVIOUR OF POLYETHYLENE** Page Range: p.543-552 Author(s): Ranran Zhuo; Chunguang Shao; Qian Li; Chenggang Liu; Ruijing Zhang; Yang Zhang; Wei Cao; Changyu Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-8&JournalID=102064&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.8 **Abstract** The crystallisation behaviour of PE samples with different molecular weight was investigated through two different processes, concerning rapid compression (RC) and quench cooling (QC). The scanning electron micrographs, wide angle X-ray diffraction and Raman results showed that all the recovered samples were composed of spherulites. For the QC process, the effect of molecular weight on the spherulites morphologies was slight, but for the RC process, with increased molecular weight (MW), the growth rate as well as the final average diameter of the spherulites decreased remarkably. Additionally, for samples with the same MW, the mass fraction of the rigid amorphous phase of RC samples was lower. Furthermore, the crystallinity distributions in the longitudinal and latitude directions of the RC samples were both more uniform than those of the QC samples, implying that in the RC process, the pressure distribution was quite uniform and there was no pressure decay. 51 Refs. --- --- Source: https://polymerjournals.com/glass-fibres-recovered-by-microwave-pyrolysis-as-a-reinforcement-for-polypropylene/ # GLASS FIBRES RECOVERED BY MICROWAVE PYROLYSIS AS A REINFORCEMENT FOR POLYPROPYLENE > Title: GLASS FIBRES RECOVERED BY MICROWAVE PYROLYSIS AS A REINFORCEMENT FOR POLYPROPYLENE Page Range: p.333-340 Author(s): Akesson D; Ramesh Krishnamoorthi; Zenon Foltynowicz; Jonas Christeen; Adib Kalantar; Skrifvars M File size: 408K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/glass-fibres-recovered-by-microwave-pyrolysis-as-a-reinforcement-for-polypropylene/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: GLASS FIBRES RECOVERED BY MICROWAVE PYROLYSIS AS A REINFORCEMENT FOR POLYPROPYLENE** Page Range: p.333-340 Author(s): Akesson D; Ramesh Krishnamoorthi; Zenon Foltynowicz; Jonas Christeen; Adib Kalantar; Skrifvars M File size: 408K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101991&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** Glass fibre composites were recycled by microwave pyrolysis. The glass fibres recovered were evaluated as a reinforcement agent for polypropylene (PP). Samples were prepared with a micro-compounder and the resulting compounds were evaluated with tensile testing, flexural testing, Charpy impact testing and scanning electron microscopy (SEM). The adhesion between fibre and glass was relatively poor, and an attempt was made to improve it. Various coupling agents were evaluated, in addition to the use of maleic anhydride-grafted PP (MAPP). Tests showed that MA-PP had a relatively strong effect on the mechanical properties. 29 Refs. --- --- Source: https://polymerjournals.com/curing-methods-for-advanced-polymer-composites-a-review/ # CURING METHODS FOR ADVANCED POLYMER COMPOSITES – A REVIEW > Title: CURING METHODS FOR ADVANCED POLYMER COMPOSITES - A REVIEW Page Range: p.341-348 Author(s): Dilmurat Abliz; Yugang Duan; Leif Steuernagel; Lei Xie; Dichen Li; Ziegmann G File size: 286K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/curing-methods-for-advanced-polymer-composites-a-review/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURING METHODS FOR ADVANCED POLYMER COMPOSITES - A REVIEW** Page Range: p.341-348 Author(s): Dilmurat Abliz; Yugang Duan; Leif Steuernagel; Lei Xie; Dichen Li; Ziegmann G File size: 286K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101992&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** Advanced polymer composites have obtained great application interest in a number of demanding aerospace, wind energy, automotive, infrastructure, and consumer applications. Great varieties of advanced polymer composites curing methods investigated to develop low-cost and high-efficient fabrication of advanced polymer composites, which still remains as a great challenge and thorny issue. Especially, the autoclave curing process, which is widely used for curing of high performance advanced polymer composites, is labour- and capital-intensive, with costs increasing exponentially with part size and limiting increased use of advanced polymer composites. Researchers and industries have long desired to explore and develop low-cost and high-efficient curing methods for fabrication of advanced polymer composites and investigated different radiation and thermal curing alternatives. In this paper, current development status of the radiation curing (gamma ray, x-ray, ultraviolet, accelerated electron beams) and thermal curing (radiation heating (infrared, laser and microwave), convection and conduction heating (hot gas, flame, oven and hot shoe), induction heating, ultrasonic heating, resistance heating and thermal additives (magnetic particles, NIR absorbent particles) based heating methods applied for the curing of advanced polymer composites are reviewed. The curing mechanism and current application status of the different curing processes for fabrication of advanced polymer composites is discussed, and main advantages and disadvantages of these methods are comparatively analysed and evaluated according to the material, cost, feasibility and power criteria for successful curing application of advanced polymer composites. 72 Refs. --- --- Source: https://polymerjournals.com/electrospun-ultrathin-polyvinyl-alcohol-fibre-assemblies-modified-by-means-of-polycarboxylic-acid-sodium-hypophosphite/ # ELECTROSPUN ULTRATHIN POLY(VINYL ALCOHOL) FIBRE ASSEMBLIES MODIFIED BY MEANS OF POLYCARBOXYLIC ACID / SODIUM HYPOPHOSPHITE > Title: ELECTROSPUN ULTRATHIN POLY(VINYL ALCOHOL) FIBRE ASSEMBLIES MODIFIED BY MEANS OF POLYCARBOXYLIC ACID / SODIUM HYPOPHOSPHITE Page Range: p.349-356 Author(s): Schramm C; Rinderer B; Tessadri R File size: 398K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/electrospun-ultrathin-polyvinyl-alcohol-fibre-assemblies-modified-by-means-of-polycarboxylic-acid-sodium-hypophosphite/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTROSPUN ULTRATHIN POLY(VINYL ALCOHOL) FIBRE ASSEMBLIES MODIFIED BY MEANS OF POLYCARBOXYLIC ACID / SODIUM HYPOPHOSPHITE** Page Range: p.349-356 Author(s): Schramm C; Rinderer B; Tessadri R File size: 398K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101993&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** A viscous solution consisting of poly(vinyl alcohol) (PVA), butane-1,2,3,4-tetracarboxylic acid (BTCA) and sodium hypophosphite monohydrate (SHP) has been prepared and subjected to an electrospinning process in an attempt to produce BTCA-crosslinked ultrathin PVA fibre mats. At elevated temperatures the carboxyl groups of BTCA react with the hydroxyl groups of PVA via a five-membered cyclic anhydride thus forming ester linkages. The measurement of the fibre diameters of the electrospun fibres created at various high voltages (10, 15, and 20 kV) revealed that the diameters of the fibres were in the range of 0.98 - 1.20 (mu)m. Single layer and double layer fibre assemblies were prepared and thermally treated at 180 deg C. The as-prepared ultrathin PVA fibre assemblies were analysed by means of scanning electron microscopy (SEM), indicating that the morphology of the fibres had been changed. Fourier transform infrared/attenuated total reflection spectroscopy (FT-IR/ATR), X-ray powder diffraction (XRPD) and physical properties, such as water vapour absorption (WVA), water vapour transmission (WVT) and tensile strength were evaluated. The incorporation of BTCA resulted in an increase of WVA and a decrease of WVT. The tensile strengths of the cured PVA mats were remarkably decreased, when BTCA/SHP had been added. 39 Refs. --- --- Source: https://polymerjournals.com/thermal-analysis-of-highly-filled-composites-of-polystyrene-with-lignin/ # THERMAL ANALYSIS OF HIGHLY FILLED COMPOSITES OF POLYSTYRENE WITH LIGNIN > Title: THERMAL ANALYSIS OF HIGHLY FILLED COMPOSITES OF POLYSTYRENE WITH LIGNIN Page Range: p.357-366 Author(s): Reza Barzegari M; Ayse Alemdar; Yaolin Zhang; Rodrigue D File size: 418K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/thermal-analysis-of-highly-filled-composites-of-polystyrene-with-lignin/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL ANALYSIS OF HIGHLY FILLED COMPOSITES OF POLYSTYRENE WITH LIGNIN** Page Range: p.357-366 Author(s): Reza Barzegari M; Ayse Alemdar; Yaolin Zhang; Rodrigue D File size: 418K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101994&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** This paper focuses on the thermal properties of polystyrene/lignin composites over a wide range of lignin content. Blending with and without a compatibiliser (styrene/ethylene/butylene copolymer) was performed in an internal batch mixer to prepare samples between 0 and 80%wt of lignin. From the compounds, an extensive thermal study was performed, including thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA). TGA results indicated that the thermal stability of polystyrene increases with increasing lignin content. DMTA analysis showed higher storage modulus and lower loss factor with increasing lignin content for the range of temperature studied (30-150 deg C). DSC results showed that the lignin/PS composites have a single Tg which is close to that of polystyrene. The addition of a compatibiliser up to 2%wt was found to improve the storage modulus of lignin/PS composite, especially at low temperature. Finally, scanning electron microscopy micrographs were used to show the state of interfacial adhesion or compatibility between lignin particles and the polystyrene matrix. 29 Refs. --- --- Source: https://polymerjournals.com/glass-transition-behaviour-of-pmma-pva-incompatible-blend/ # GLASS TRANSITION BEHAVIOUR OF PMMA/PVA INCOMPATIBLE BLEND > Title: GLASS TRANSITION BEHAVIOUR OF PMMA/PVA INCOMPATIBLE BLEND Page Range: p.367-376 Author(s): Yoshinobu Nakamura; Eiji Kariya; Tomoyoshi Fukuda; Syuji Fujii; Kazuko Fujiwara; Shigeki Hikasa File size: 382K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/glass-transition-behaviour-of-pmma-pva-incompatible-blend/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: GLASS TRANSITION BEHAVIOUR OF PMMA/PVA INCOMPATIBLE BLEND** Page Range: p.367-376 Author(s): Yoshinobu Nakamura; Eiji Kariya; Tomoyoshi Fukuda; Syuji Fujii; Kazuko Fujiwara; Shigeki Hikasa File size: 382K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101995&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** Dynamic viscoelastic properties and morphology of poly(methyl methacrylate) (PMMA)/poly(vinyl alcohol) (PVA) blend prepared by melt kneading was investigated. These solubility parameter values differ greatly. Two kinds of PVA with saponification degrees of 88 and 98 mol.% were used. Micrometre-order domains were observed by scanning electron microscopy for 88 mol.% PVA, whereas no clear domain was observed for 98 mol.%. Both the blends were incompatible systems because two loss modulus peaks based on PMMA and PVA were observed by dynamic mechanical analysis. The loss modulus peak based on the PMMA-rich phase was higher than that of pure PMMA; the increase of the corresponding glass transition temperature (Tg) caused by blending was more remarkable for 98 mol.% PVA than 88 mol.%. It was thought that the intermolecular interaction of OH group in PVA and carbonyl group in PMMA caused the increase in Tg, but no clear evidence of the interaction for the blend was observed by a Fourier transform infrared spectroscopic analysis. The poly(vinyl acetate)/PMMA blend was incompatible. The unsaponificated vinyl acetate unit in PVA decreased the interaction between PMMA and PVA. This is the reason why the effect of Tg rising was lower for 88 mol.% PVA than for 98 mol.%. 13 Refs. --- --- Source: https://polymerjournals.com/analysis-of-marching-modulus-rubber-rheograms/ # ANALYSIS OF MARCHING-MODULUS RUBBER RHEOGRAMS > Title: ANALYSIS OF MARCHING-MODULUS RUBBER RHEOGRAMS Page Range: p.377-386 Author(s): Farid A S; Arunashanthi K D File size: 484K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 Abstract... Canonical URL: https://polymerjournals.com/analysis-of-marching-modulus-rubber-rheograms/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANALYSIS OF MARCHING-MODULUS RUBBER RHEOGRAMS** Page Range: p.377-386 Author(s): Farid A S; Arunashanthi K D File size: 484K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101996&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** Rheometry is widely used throughout the rubber industry to characterise the cure behaviour of rubber mixes. Industrial rheometers produce continuous traces or rheograms in which torque is plotted as a function of time as a rubber progressively cures. Rheograms in which a distinct maximum or steady-state value is obtained within a reasonable time present few problems when the main objective is to determine optimum vulcanisation times. Nevertheless, some rubber mixes display cure profiles that do not exhibit steady-state values within acceptable time scales; taking extremely long periods of time to do so. Running rheometers over prolonged periods in order to attain flat or steady state cures is neither productive nor economical. In such situations, it is desirable to develop a methodology whereby steady-state values can be estimated from short running times. Assuming that cure advances by way of first-order kinetics a graphical technique is introduced enabling the steady-state torque value to be estimated from short running times. The steady-state torque value obtained from the graphical procedure was compared with experimental values; poor agreement was found being within about 11%. Notwithstanding the poor agreement between the steady-state torque value observed experimentally and that predicted by the graphical method we nevertheless continue to recommend the use of the graphical technique. Our justification for the use of the graphical method is that the procedure provides reliable rate constants for the incipient stages of vulcanisation without having to determine full extents of cure. The rate constant determined by the graphical procedure was in good agreement with typical values reported in the literature7 thus affording credibility to our graphical methodology. As further confirmation as to the reliability of our technique, an analytical method introduced by Rigby2 was employed to verify the authenticity of our results. Comparison of our results with those ascertained from the analytical method showed reasonable agreement. In order to account for the significantly large difference between the graphically-estimated and experimental steady-state torque value, the ideal and simplistic assumption that curing proceeds by first order kinetics throughout the entire curing period was abandoned. Instead, it was assumed that the crosslinking process comprises two concomitant first-order curing reactions; notably normal and slow crosslinking reactions. The kinetic expression describing the two simultaneous vulcanisation reactions in terms of rheometry parameters is: Tt-Ta = (Tc – Ta)(1-e-kc(t-ti))+(Tsc-Ta)(1-e-ksc(t-ti))where Tt is the torque at time t; Ta is the minimum torque; ti is the induction time; T(Yen),c and T(Yen),sc are the steady state torque values for the normal and slow crosslinking processes respectively; and, kc and ksc represent the first-order rate constants for the normal and slow crosslinking processes respectively. Excellent agreement was found between the experimental steady-state torque value and that predicted by the composite kinetic expression. 7 Refs. --- --- Source: https://polymerjournals.com/application-of-taguchi-method-in-optimizing-fabrication-of-composite-panels-for-interior-dividing-walls/ # APPLICATION OF TAGUCHI METHOD IN OPTIMIZING FABRICATION OF COMPOSITE PANELS FOR INTERIOR DIVIDING WALLS > Title: APPLICATION OF TAGUCHI METHOD IN OPTIMIZING FABRICATION OF COMPOSITE PANELS FOR INTERIOR DIVIDING WALLS Page Range: p.387-394 Author(s): Velosa J; Rana S; Santos T; Fangueiro R; Ramos L File size: 307K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/application-of-taguchi-method-in-optimizing-fabrication-of-composite-panels-for-interior-dividing-walls/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: APPLICATION OF TAGUCHI METHOD IN OPTIMIZING FABRICATION OF COMPOSITE PANELS FOR INTERIOR DIVIDING WALLS** Page Range: p.387-394 Author(s): Velosa J; Rana S; Santos T; Fangueiro R; Ramos L File size: 307K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101997&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** In order to save material and energy, an increased growth can be noticed in recent times in the use of low-cost and light-weight solutions for the interior dividing walls of buildings. In this context, the main aim of the present research work was to develop light-weight composite panels based on non-woven fabrics for this application as an alternative to more commonly used materials and to optimize the manufacturing process parameters in order to maximize their mechanical performance. Thermo-bonded nonwoven geo-textiles made from polyester (70%) and polypropylene (30%) fibres were consolidated using compression moulding technique, varying the various structural and process parameters, such as number of layers, compression time, temperature and pressure. Taguchi method was used to design the experiments, as well as to understand the influence of various parameters on tensile and flexural strengths of developed composite panels and to optimize them in order to maximize these properties. According to the analysis, a consolidation temperature of 210 deg C, pressure of 30 bars, compression time of 35 minutes and 30 layers are required to achieve the maximum values of tensile and flexural strength with minimum variability. 21 Refs. --- --- Source: https://polymerjournals.com/study-on-mechanical-properties-and-water-absorption-behaviour-of-wastepaper-fibre-recycled-polypropylene-composites/ # STUDY ON MECHANICAL PROPERTIES AND WATER ABSORPTION BEHAVIOUR OF WASTEPAPER FIBRE/RECYCLED POLYPROPYLENE COMPOSITES > Title: STUDY ON MECHANICAL PROPERTIES AND WATER ABSORPTION BEHAVIOUR OF WASTEPAPER FIBRE/RECYCLED POLYPROPYLENE COMPOSITES Page Range: p.395-402 Author(s): Zhang Xiaolin; Bo Xiangfeng; Wang Rumin File size: 389K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/study-on-mechanical-properties-and-water-absorption-behaviour-of-wastepaper-fibre-recycled-polypropylene-composites/ Published: 2013-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON MECHANICAL PROPERTIES AND WATER ABSORPTION BEHAVIOUR OF WASTEPAPER FIBRE/RECYCLED POLYPROPYLENE COMPOSITES** Page Range: p.395-402 Author(s): Zhang Xiaolin; Bo Xiangfeng; Wang Rumin File size: 389K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-6&JournalID=101998&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.6 **Abstract** There has been growing interest in the use of waste materials as an alternative source for the conventional woodplastic composites (WPC) in the global market. This paper evaluates the feasibility of two different kinds of wastepaper fibre as reinforcing materials used for WPC. For this purpose, the fibre morphology of old newspaper fibre (ONPF) and old magazine paper fibre (OMGF) was investigated by fibre morphology analyser, respectively. Wastepaper fibres, recycled polypropylene (rPP), and 2%MAPP were compounded by double-roller mixer and test specimens were prepared by hot press moulding. The tensile, flexural, and water absorption properties of ONPF and OMGF reinforced rPP composites as a function of fibre content were studied. The results showed that the highest mechanical properties of ONP and OMG fibre reinforced composites could be reached with 30 wt.% fibre contents. The mechanical properties of the composites made from ONP fibres were better than those made from OMG fibres. However the addition of wastepaper fibres resulted in a decrease in elongation at break. Both the fibre loading and the fibre morphological characteristics had an effect on the water uptake behaviour. But the effect of fibre size on the water uptake was minimal compared to that of the fibre content. The water uptake of wastepaper fibre/rPP composites may actually be slowed down rather than delayed. Scanning electron microscopy (SEM) of the fracture surface of a tensile specimen with 30 wt.% wastepaper fibre loading showed good fibre dispersion in the matrix and a good compatibility between wastepaper fibre and rPP matrix. The results suggested that both the ONP fibres and the OMG fibres could be used as potential sources and reinforcing agent for composites, but the reinforcement effect of ONPF was better than that of OMGF. 22 Refs. --- --- Source: https://polymerjournals.com/material-and-process-related-influences-on-the-particle-based-inductive-heating-of-high-density-polyethylene/ # MATERIAL AND PROCESS RELATED INFLUENCES ON THE PARTICLE BASED INDUCTIVE HEATING OF HIGH DENSITY POLYETHYLENE > Title: MATERIAL AND PROCESS RELATED INFLUENCES ON THE PARTICLE BASED INDUCTIVE HEATING OF HIGH DENSITY POLYETHYLENE Page Range: p.259-274 Author(s): Bayerl T; Mitschang P File size: 1167K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/material-and-process-related-influences-on-the-particle-based-inductive-heating-of-high-density-polyethylene/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MATERIAL AND PROCESS RELATED INFLUENCES ON THE PARTICLE BASED INDUCTIVE HEATING OF HIGH DENSITY POLYETHYLENE** Page Range: p.259-274 Author(s): Bayerl T; Mitschang P File size: 1167K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101984&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** Recently, a new inductive heating method to process fibre reinforced polymer composites was introduced. This method uses particulate susceptors which are affected by an electromagnetic field. The innovative heating method can be used to heat up bulk as well as sheet like materials because the generated thermal energy is distributed intrinsically in the component. Since the heating performance was observed to be closely related to the used susceptor material, other important factors influencing the heating and polymer melting were investigated in an experimental series. The study comprised materials-related parameters, such as filler fraction and particle size, as well as process-related ones, like induction current, coupling distance, and frequency. High density polyethylene (HDPE) doped with different susceptor materials, ferromagnetic as well as electrically conductive, was used for the heating experiments. The observed influence on the analysed heating performance of some materials and process parameters could be derived from standard physical laws, in particular the dependence on coil current and the coupling distance. Other process parameters, like the susceptor size and the frequency, were identified to have a more complex relationship on the heating ability. Cast iron particles, which showed the best heating performance in the study, were able to melt the applied HDPE within 90 seconds at a filler fraction of only 5 to 10 wt.%. For future applications of this heating method, a theoretical approach was revealed to deliver a sufficient approximation of the inductive particulate heating in a finite element model. 36 Refs. --- --- Source: https://polymerjournals.com/chemical-and-mechanical-properties-studies-of-chinese-linen-flax-and-its-composites/ # CHEMICAL AND MECHANICAL PROPERTIES STUDIES OF CHINESE LINEN FLAX AND ITS COMPOSITES > Title: CHEMICAL AND MECHANICAL PROPERTIES STUDIES OF CHINESE LINEN FLAX AND ITS COMPOSITES Page Range: p.275-286 Author(s): Shanshan Huo; Ulven C A; Haoran Wang; Xinnan Wang File size: 580K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/chemical-and-mechanical-properties-studies-of-chinese-linen-flax-and-its-composites/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHEMICAL AND MECHANICAL PROPERTIES STUDIES OF CHINESE LINEN FLAX AND ITS COMPOSITES** Page Range: p.275-286 Author(s): Shanshan Huo; Ulven C A; Haoran Wang; Xinnan Wang File size: 580K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101985&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** To improve the mechanical performance of flax polymer composites, different surface modifications on flax fibres have been investigated by many researchers. In this study, the effects of alkaline treatment on the properties of Chinese linen flax were evaluated by different chemical and mechanical test techniques. Chemical detergents, stains and FTIR were used to investigate the chemical constituent changes in the Chinese linen flax. Moreover, the elastic properties of untreated and treated flax fibres were evaluated using a single fibre bundle tensile test. The elastic properties of their composites were accessed also using tensile tests. In addition, the theoretical elastic properties of alkaline treated flax were calculated using Halpin-Tsai equations. The theoretical elastic properties of flax/vinyl ester composites were also obtained to compare against the experimental results. An optimal/ultimate elastic modulus of flax/vinyl ester composites was predicted. 45 Refs. --- --- Source: https://polymerjournals.com/non-woven-flax-fibre-reinforced-polypropylene-static-and-low-velocity-impact-behaviour/ # NON-WOVEN FLAX FIBRE REINFORCED POLYPROPYLENE: STATIC AND LOW VELOCITY IMPACT BEHAVIOUR > Title: NON-WOVEN FLAX FIBRE REINFORCED POLYPROPYLENE: STATIC AND LOW VELOCITY IMPACT BEHAVIOUR Page Range: p.287-298 Author(s): Thuy Quynh Truong Hoang; Fabienne Touchard File size: 947K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/non-woven-flax-fibre-reinforced-polypropylene-static-and-low-velocity-impact-behaviour/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NON-WOVEN FLAX FIBRE REINFORCED POLYPROPYLENE: STATIC AND LOW VELOCITY IMPACT BEHAVIOUR** Page Range: p.287-298 Author(s): Thuy Quynh Truong Hoang; Fabienne Touchard File size: 947K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101986&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** Non-woven flax fibre reinforced new and recycled polypropylene were manufacturing by an industrial process of carding, batt, needle-punching and thermo-pressing. Polypropylene fibres were mixed with flax fibres in the carding process forming a thick multi-layered mat which was used for thermo-compression process. Effects of multi-layered non-woven manufacturing on mechanical properties were analysed in different composites with three fibre areal weights. The results highlight the anisotropic behaviour of the obtained composites and a constant ratio of absorption energy to impact energy. In addition, cyclic tests and acoustic emission method coupled with image correlation measurement were specially employed in order to detect the damage development process in the composites and to qualify the deformation process in tensile test. 17 Refs. --- --- Source: https://polymerjournals.com/interfacial-interaction-between-polycarboxylate-based-superplasticizer-and-cement-component-minerals/ # INTERFACIAL INTERACTION BETWEEN POLYCARBOXYLATE-BASED SUPERPLASTICIZER AND CEMENT COMPONENT MINERALS > Title: INTERFACIAL INTERACTION BETWEEN POLYCARBOXYLATE-BASED SUPERPLASTICIZER AND CEMENT COMPONENT MINERALS Page Range: p.299-306 Author(s): Yinhui Yu; Jiaping Liu; Qianping Ran; Min Qiao; Nanxiao Gao File size: 470K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/interfacial-interaction-between-polycarboxylate-based-superplasticizer-and-cement-component-minerals/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERFACIAL INTERACTION BETWEEN POLYCARBOXYLATE-BASED SUPERPLASTICIZER AND CEMENT COMPONENT MINERALS** Page Range: p.299-306 Author(s): Yinhui Yu; Jiaping Liu; Qianping Ran; Min Qiao; Nanxiao Gao File size: 470K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101987&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** This paper is presented for a better understanding of the interaction between polycarboxylate-based superplasticiser (PCA) and cement component minerals. The impact of PCA on the particle interaction among tricalcium silicate (C3S), dicalcium silicate (C2S) and the initial Portland cement hydrates ettringite (AFt) has been systematically examined. The zeta potential was highly dependent on the chemical composition of the solvent. Furthermore, it was demonstrated that adsorption always occurred between the minerals and anionic PCA in spite of their equal charge sign. For silicates (including C3S and C2S), the adsorption of high load Ca2+ formed a positive layer and subsequently adsorbed anionic PCA. For AFt, the direct adsorption onto AFt results from its strong electrostatic interaction. The high affinity of PCA to aluminate phase surface can be attributed to the high reactivity of tricalcium aluminate and its large specific surface. 16 Refs. --- --- Source: https://polymerjournals.com/thermal-degradation-and-flammability-behaviour-of-hdpe-eva-eg-composites/ # THERMAL DEGRADATION AND FLAMMABILITY BEHAVIOUR OF HDPE/EVA/EG COMPOSITES > Title: THERMAL DEGRADATION AND FLAMMABILITY BEHAVIOUR OF HDPE/EVA/EG COMPOSITES Page Range: p.307-314 Author(s): Zhidan Sun; Yonghong Ma; Yang Xu; Xiaolang Chen; Man Chen; Jie Yu; Shuchun Hu; Zhibin Zhang File size: 295K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/thermal-degradation-and-flammability-behaviour-of-hdpe-eva-eg-composites/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL DEGRADATION AND FLAMMABILITY BEHAVIOUR OF HDPE/EVA/EG COMPOSITES** Page Range: p.307-314 Author(s): Zhidan Sun; Yonghong Ma; Yang Xu; Xiaolang Chen; Man Chen; Jie Yu; Shuchun Hu; Zhibin Zhang File size: 295K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101988&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** In this work, high density polyethylene (HDPE), ethylene-vinyl acetate (EVA) copolymer and expandable graphite (EG) flame retardant composites were prepared by using a twin screw extruder technique. The thermal stability and flame retardant properties of the composites were investigated by the thermogravimetric analysis (TGA) and cone calorimeter, respectively. The char morphology after combustion was also further characterized. The experimental results indicated that intumescent EG greatly enhanced the thermal stability and fire resistance of polymer matrix materials. The presence of EG improved the degradation temperature of HDPE/EVA blend and increased its char residue at high temperature. The results from cone calorimeter demonstrated that the addition of EG led to the decrease of the heat release rate (HRR), total heat release (THR) and smoke production rate (SPR) of materials and could retard the emission of the toxic and flammability gases by promoting the formation of a compact char layer. This char layer will prevent the polymer matrix further degradation and protect it effectively from heat penetrating inside, resulting in lower weight loss rate and better flame retarded property. 36 Refs. --- --- Source: https://polymerjournals.com/rapid-curing-epoxy-resin-and-its-application-in-carbon-fibre-composite-fabricated-using-vartm-moulding/ # RAPID CURING EPOXY RESIN AND ITS APPLICATION IN CARBON FIBRE COMPOSITE FABRICATED USING VARTM MOULDING > Title: RAPID CURING EPOXY RESIN AND ITS APPLICATION IN CARBON FIBRE COMPOSITE FABRICATED USING VARTM MOULDING Page Range: p.315-316 Author(s): Wang C R; Gu Y Z; Zhang K M; Li M; Zhang Z G File size: 527K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/rapid-curing-epoxy-resin-and-its-application-in-carbon-fibre-composite-fabricated-using-vartm-moulding/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RAPID CURING EPOXY RESIN AND ITS APPLICATION IN CARBON FIBRE COMPOSITE FABRICATED USING VARTM MOULDING** Page Range: p.315-316 Author(s): Wang C R; Gu Y Z; Zhang K M; Li M; Zhang Z G File size: 527K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101989&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** A rapid curing resin system made from the diglycidyl ether of bisphenol A epoxy, modified imidazole and modified aliphatic amine was developed. The curing behaviour and following characteristic of the resin were evaluated by differential scanning calorimetric and rheological analysis, respectively. Carbon fibre-reinforced polymer composite (CFRP) laminates using this resin system were manufactured through vacuum-assisted resin transfer moulding (VARTM) under short-term curing schedule. Subsequently, studies were performed on the processing quality, mechanical properties and heat resistance of the composites. The effects of post-cure duration on the interfacial bonding and the properties of the composites were investigated. The results showed that the curing time of a CFRP laminate using the studied resin under 120 deg C could be controlled within 13 min with more than 95% curing degree and few defects. There were variations of the mechanical and thermal properties of the composites with different post-cure durations. The optimum properties were obtained after a post-cure process of 60 min, and extended post-cure treatment were detrimental. The corresponding mechanism was discussed from the viewpoint of interfacial bonding between carbon fibre and epoxy matrix. 23 Refs. --- --- Source: https://polymerjournals.com/honeycomb-patterned-sps-tio2-hybrid-films-derived-from-bf-technique-and-gelation/ # HONEYCOMB PATTERNED SPS/TIO2 HYBRID FILMS DERIVED FROM BF TECHNIQUE AND GELATION > Title: HONEYCOMB PATTERNED SPS/TIO2 HYBRID FILMS DERIVED FROM BF TECHNIQUE AND GELATION Page Range: p.325-332 Author(s): Qiusheng Song; Xiaofei Zhu; Yuanhao Xu File size: 630K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/honeycomb-patterned-sps-tio2-hybrid-films-derived-from-bf-technique-and-gelation/ Published: 2013-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HONEYCOMB PATTERNED SPS/TIO2 HYBRID FILMS DERIVED FROM BF TECHNIQUE AND GELATION** Page Range: p.325-332 Author(s): Qiusheng Song; Xiaofei Zhu; Yuanhao Xu File size: 630K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-5&JournalID=101990&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.5 **Abstract** Honeycomb patterned hybrid films were prepared from sulphonated polystyrene (SPS) and tetrabutyl titanate (TBT) by a combination of the 'breath figure' technique with a gelation process. The influences of solvents, concentration and the mass ratio of SPS/TBT in the hybrid sols on the morphology of the honeycomb films were investigated. The results from SEM, FTIR, DSC, TG and XRD showed that well-ordered films were formed when benzene was used as solvent, the mass ratios of SPS/TBT in the range of 10/1~1/2 and the concentration of SPS maintained in the range of 20-80 mg/mL. 22 Refs. --- --- Source: https://polymerjournals.com/structure-and-properties-of-styrene-butadiene-rubber-modified-hectorite-clay-nanocomposites/ # STRUCTURE AND PROPERTIES OF STYRENE-BUTADIENE RUBBER/MODIFIED HECTORITE CLAY NANOCOMPOSITES > Title: STRUCTURE AND PROPERTIES OF STYRENE-BUTADIENE RUBBER/MODIFIED HECTORITE CLAY NANOCOMPOSITES Page Range: p.207-224 Author(s): Bharadwaj P; Pratibha Singh; Pandey K N; Vishal Verma; Srivastava S K Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/structure-and-properties-of-styrene-butadiene-rubber-modified-hectorite-clay-nanocomposites/ Published: 2013-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: STRUCTURE AND PROPERTIES OF STYRENE-BUTADIENE RUBBER/MODIFIED HECTORITE CLAY NANOCOMPOSITES** ![](http://apc.jpg)Page Range: p.207-224 Author(s): Bharadwaj P; Pratibha Singh; Pandey K N; Vishal Verma; Srivastava S K ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1151345.pdf) - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.4 **Abstract** Nanocomposites of styrene-butadiene rubber reinforced with modified hectorite clay as nano reinforcement have been processed by solution blending. Hectorite has been modified by octadecyl amine (O-Hc); by grafting with silane coupling agent N-(3-trimethoxysilyl) propyl ethylene diamine (S-Hc) and by both methods (OS-Hc) to be used as a nano reinforcement material. Styrene-butadiene rubber nanocomposites based on Octadecyl amine (O-Hc) modified nanoclay; silane coupling agent N-(3-trimethoxysilyl) propyl ethylene diamine grafted nanoclay (S-Hc); and nanoclay modified by both methods (OS-Hc); as reinforcers show improved mechanical properties, as compared to styrene-butadiene-rubber. 61 Refs. --- Source: https://polymerjournals.com/influence-of-amount-of-mape-compatibiliser-on-tensile-properties-of-hardwood-fiber-reinforced-high-density-polyethylene-composite/ # INFLUENCE OF AMOUNT OF MAPE COMPATIBILISER ON TENSILE PROPERTIES OF HARDWOOD FIBER REINFORCED HIGH DENSITY POLYETHYLENE COMPOSITE > Title: INFLUENCE OF AMOUNT OF MAPE COMPATIBILISER ON TENSILE PROPERTIES OF HARDWOOD FIBER REINFORCED HIGH DENSITY POLYETHYLENE COMPOSITE Page Range: p.225-228 Author(s): Ogunsile B O; Palsule S Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue... Canonical URL: https://polymerjournals.com/influence-of-amount-of-mape-compatibiliser-on-tensile-properties-of-hardwood-fiber-reinforced-high-density-polyethylene-composite/ Published: 2013-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: INFLUENCE OF AMOUNT OF MAPE COMPATIBILISER ON TENSILE PROPERTIES OF HARDWOOD FIBER REINFORCED HIGH DENSITY POLYETHYLENE COMPOSITE** ![](http://apc.jpg)Page Range: p.225-228 Author(s): Ogunsile B O; Palsule S ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.4 **Abstract** 30/70 Wood fibre/high density polyethylene (30/70 WF/HDP) composites processed with 1.5% maleic anhydride grafted polyethylene (MAPE) as compatibiliser show acceptable tensile modulus and tensile strength, comparable with that of composites processed with 3% compatibiliser. Increasing the amount of MAPE compatibiliser does not appear to improve tensile strength of the WF/ PE composites and highlights the need to optimise the amount of compatibiliser for efficient wood/polyethylene composites. 8 Refs. --- Source: https://polymerjournals.com/environment-friendly-composites-of-recycled-hardwood-fiber-reinforced-polypropylene/ # ENVIRONMENT FRIENDLY COMPOSITES OF RECYCLED HARDWOOD FIBER REINFORCED POLYPROPYLENE > Title: ENVIRONMENT FRIENDLY COMPOSITES OF RECYCLED HARDWOOD FIBER REINFORCED POLYPROPYLENE Page Range: p.229-246 Author(s): Priyanka; Anshu Anjali Singh; Kishor Biswas Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.4... Canonical URL: https://polymerjournals.com/environment-friendly-composites-of-recycled-hardwood-fiber-reinforced-polypropylene/ Published: 2013-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: ENVIRONMENT FRIENDLY COMPOSITES OF RECYCLED HARDWOOD FIBER REINFORCED POLYPROPYLENE** ![](http://apc.jpg)Page Range: p.229-246 Author(s): Priyanka; Anshu Anjali Singh; Kishor Biswas ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.4 **Abstract** Environmentally friendly recycled hardwood fibre (RHWF) reinforced polypropylene (PP) composites (RHWF/PP) have been processed by using maleic anhydride rafted polypropylene (MAPP - polypropylene with 2% maleic anhydride grafting on it) as compatibiliser. RHW fibre was obtained by recycling chemically pulped hardwood fibre based paper, and has better strength as compared to recycled newspaper fibre produced by mechanical pulping. Tensile, flexural and impact properties of the composites are higher than those of the PP matrix, increase with increasing amounts of fibre in the composites, and are better than those of literature reported recycled newspaper fibre/polypropylene composites. Fibre/ matrix interfacial adhesion in these composites has been evaluated by scanning electron microscope and Fourier transform infra-red spectroscopy. 37 Refs. --- Source: https://polymerjournals.com/diffusion-and-transport-behaviors-of-aliphatic-probe-molecules-through-untreated-and-treated-metakaolin-filled-natural-rubber-composites/ # DIFFUSION AND TRANSPORT BEHAVIORS OF ALIPHATIC PROBE MOLECULES THROUGH UNTREATED AND TREATED METAKAOLIN FILLED NATURAL RUBBER COMPOSITES > Title: DIFFUSION AND TRANSPORT BEHAVIORS OF ALIPHATIC PROBE MOLECULES THROUGH UNTREATED AND TREATED METAKAOLIN FILLED NATURAL RUBBER COMPOSITES Page Range: p.247-266 Author(s): Rohini Thimmaiah S; Siddaramaiah Click Here to Download Now! - File size: (subscribers only) Journal: Applied Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/diffusion-and-transport-behaviors-of-aliphatic-probe-molecules-through-untreated-and-treated-metakaolin-filled-natural-rubber-composites/ Published: 2013-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: DIFFUSION AND TRANSPORT BEHAVIORS OF ALIPHATIC PROBE MOLECULES THROUGH UNTREATED AND TREATED METAKAOLIN FILLED NATURAL RUBBER COMPOSITES** ![](http://apc.jpg)Page Range: p.247-266 Author(s): Rohini Thimmaiah S; Siddaramaiah ![](http://dload.gif)Click Here to Download Now! - File size: (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.4 **Abstract** Molecular transport of a series of aliphatic probe molecules (hexane, heptane and decane) through untreated and silane treated metakaolin (MK) filled cured natural rubber (NR) composite membranes has been studied in the temperature range 25-60 deg C using the sorption-gravimetric method. The coefficients of sorption (S), diffusion (D), and permeation (P) have been calculated for elastomeric membrane-aliphatic penetrant systems. Significant increases in the diffusion and permeation coefficients were observed with increase in the temperature of sorption experiments. In all of the elastomeric-probe molecule systems, the transport phenomenon was found to follow the non-Fickian mode of transport. From the temperature dependence of diffusion and permeation coefficients, the Arrhenius activation parameters, such as the activation energy for diffusion (ED) and permeation (EP) processes, have been estimated. Furthermore, the sorption results have been interpreted in terms of thermodynamic parameters such as change in enthalpy (eH) and change in entropy (HS). 27 Refs. --- Source: https://polymerjournals.com/constants-in-palsule-equation-for-tensile-modulus-of-short-fibre-reinforced-polymer-composites/ # CONSTANTS IN PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES > Title: CONSTANTS IN PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES Page Range: p.267-274 Author(s): Palsule S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No:... Canonical URL: https://polymerjournals.com/constants-in-palsule-equation-for-tensile-modulus-of-short-fibre-reinforced-polymer-composites/ Published: 2013-04-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: CONSTANTS IN PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES** Page Range: p.267-274 Author(s): Palsule S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-4&JournalID=102054&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.4 **Abstract** Palsule equation for tensile Modulus of short fibre reinforced polymer composites has been derived as the first equation that accounts for the aspect ratio of reinforcement as follows: Ec cKL [EmVm mEfVf]VKT [(Ef + lambdaEm) +lambdaVf (Ef-Em / (Ef +lambdaEm) - psiVf (Ef -Em)]. This study demonstrates that Palsule equation predicts the Young's modulus of a short fibre reinforced polymer composite, more accurately, if KL and KT and not assigned fixed values of 1/8 and 1/4 respectively; and depending upon fibre distribution in the composite, the value of KL may vary between 1/2 and 1/8, and of KT may vary between 1/2 and 1/8. 16 Refs. --- --- Source: https://polymerjournals.com/processing-and-characterization-of-natural-fibre-reinforced-composites-using-lignin-phenolic-binder/ # PROCESSING AND CHARACTERIZATION OF NATURAL FIBRE REINFORCED COMPOSITES USING LIGNIN PHENOLIC BINDER > Title: PROCESSING AND CHARACTERIZATION OF NATURAL FIBRE REINFORCED COMPOSITES USING LIGNIN PHENOLIC BINDER Page Range: p.199-206 Author(s): Arunjunai Raj Mahendran; Wuzella G; Aust N; Muller U; Kandelbauer A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/processing-and-characterization-of-natural-fibre-reinforced-composites-using-lignin-phenolic-binder/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROCESSING AND CHARACTERIZATION OF NATURAL FIBRE REINFORCED COMPOSITES USING LIGNIN PHENOLIC BINDER** Page Range: p.199-206 Author(s): Arunjunai Raj Mahendran; Wuzella G; Aust N; Muller U; Kandelbauer A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101884&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** Natural fibre-reinforced composites were prepared using a lignin-phenolic resol binder, in which 30 wt.% of the phenol was substituted by a modified lignosulphonate from renewable resources. The reinforcement of the lignin phenolic binder matrix was accomplished by different natural fibres. The non-woven flax, flax/wood and flax/kenaf fibre mats were impregnated with the lignin-phenolic binder and they were compression-moulded at elevated temperature. The curing condensations of the synthesised lignin phenolic resins were characterized by differential scanning calorimetry. Water absorption, thickness swelling and flexural strengths of the natural fibre-reinforced composites were determined, as well as their thermal stability using thermogravimetric analysis. The flexural strengths of the flax/wood and flax/kenaf composites were higher than those of the flax reinforced composite. Morphological analysis using scanning electron microscopy showed an enhancement in fibre/matrix interaction for the flax/wood and flax/kenaf fibre mixtures. 21 Refs. --- --- Source: https://polymerjournals.com/effect-of-the-blending-process-and-filler-loading-on-the-mechanical-properties-of-silica-filled-sbr-br-compounds/ # EFFECT OF THE BLENDING PROCESS AND FILLER LOADING ON THE MECHANICAL PROPERTIES OF SILICA-FILLED SBR/BR COMPOUNDS > Title: EFFECT OF THE BLENDING PROCESS AND FILLER LOADING ON THE MECHANICAL PROPERTIES OF SILICA-FILLED SBR/BR COMPOUNDS Page Range: p.207-214 Author(s): Luping Ni; Jibin Wang; Haiyan Xu; Chifei Wu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/effect-of-the-blending-process-and-filler-loading-on-the-mechanical-properties-of-silica-filled-sbr-br-compounds/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF THE BLENDING PROCESS AND FILLER LOADING ON THE MECHANICAL PROPERTIES OF SILICA-FILLED SBR/BR COMPOUNDS** Page Range: p.207-214 Author(s): Luping Ni; Jibin Wang; Haiyan Xu; Chifei Wu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101885&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** The effects of the blending process on the mechanical properties of styrene butadiene rubber/cis-butadiene rubber/silica systems was studied in relation to the order of addition of two kinds of rubbers during blending. The specific blending method of two-step rubber feeding method led to different mixing conditions, and consequently the mechanical properties of the vulcanisates varied significantly. The blending process was mainly influenced by two factors: the wetting of the filler and the interactions of the materials. This work focused on the influence of filler loading on different blending methods, in order to build up the relationship between bound rubber and various properties in silica filled SBR/BR compounds. 15 Refs. --- --- Source: https://polymerjournals.com/furan-based-narrow-band-gap-copolymers-for-red-light-emitting-diodes-and-bulk-heterojunction-photovoltaic-cells/ # FURAN-BASED NARROW-BAND-GAP COPOLYMERS FOR RED LIGHT-EMITTING DIODES AND BULK HETEROJUNCTION PHOTOVOLTAIC CELLS > Title: FURAN-BASED NARROW-BAND-GAP COPOLYMERS FOR RED LIGHT-EMITTING DIODES AND BULK HETEROJUNCTION PHOTOVOLTAIC CELLS Page Range: p.215-222 Author(s): Mingliang Sun; Li Wang; Renqiang Yang; Bin Zhang; Wei Yang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/furan-based-narrow-band-gap-copolymers-for-red-light-emitting-diodes-and-bulk-heterojunction-photovoltaic-cells/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FURAN-BASED NARROW-BAND-GAP COPOLYMERS FOR RED LIGHT-EMITTING DIODES AND BULK HETEROJUNCTION PHOTOVOLTAIC CELLS** Page Range: p.215-222 Author(s): Mingliang Sun; Li Wang; Renqiang Yang; Bin Zhang; Wei Yang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101886&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** A series of conjugated copolymers (PFO-DFQ) derived from 2,3-dimethyl-5,8-difuran-2-yl-quinoxalines (DFQ) and 9,9-dioctylfluorene (DOF) were prepared by the palladium-catalysed Suzuki coupling reaction with molar feed ratios of DFQ around 1%, 5%, 15% 30% and 50% respectively. The obtained polymers were readily soluble in common organic solvents. The absorption spectra of the copolymers ranged from 300 nm to 560 nm, with two absorption peaks at around 390 nm and 480 nm, both in solution and thin film. The photoluminescence (PL) emission peaks were in the region from 465 nm to 611 nm in thin solid films. The electroluminescence (EL) emission peaks were from 550 nm to 712 nm, depending on the DFQ content. Bulk heterojunction photovoltaic cells fabricated from composite films of PFO-DFQ copolymers and [6,6]-phenyl C61 butyric acid methyl ester (PCBM) as electron donor and electron acceptor respectively, showed power conversion efficiencies 0.13% with open-circuit voltage (Voc) of 0.60V and short-circuit current density (Jsc) of 0.68 mA/cm2 under AM1.5 solar simulator (100 mW/cm2). 15 Refs. --- --- Source: https://polymerjournals.com/synthesis-of-polystyrene-co-acrylonitrile-clay-nanocomposites-in-supercritical-carbon-dioxide/ # SYNTHESIS OF POLY(STYRENE-CO-ACRYLONITRILE)/CLAY NANOCOMPOSITES IN SUPERCRITICAL CARBON DIOXIDE > Title: SYNTHESIS OF POLY(STYRENE-CO-ACRYLONITRILE)/CLAY NANOCOMPOSITES IN SUPERCRITICAL CARBON DIOXIDE Page Range: p.223-232 Author(s): Jing Wang; Jianfeng Zhong; Zhou Fang; Qingzhi Dong File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21... Canonical URL: https://polymerjournals.com/synthesis-of-polystyrene-co-acrylonitrile-clay-nanocomposites-in-supercritical-carbon-dioxide/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF POLY(STYRENE-CO-ACRYLONITRILE)/CLAY NANOCOMPOSITES IN SUPERCRITICAL CARBON DIOXIDE** Page Range: p.223-232 Author(s): Jing Wang; Jianfeng Zhong; Zhou Fang; Qingzhi Dong File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101887&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** Poly(styrene-co-acrylonitrile)/fluorinated montmorillonite was successfully prepared in supercritical carbon dioxide (scCO2) by dispersion polymerisation. In this study, a mixed stabiliser system was applied and investigated. Poly(styrene-r-acrylonitrile)-block-poly(1,1,2,2-tetrahydroperfluorooctyl methacrylate) (PSAN-b-PFOMA) was synthesised and investigated as stabiliser in scCO2. Fluorinated surfactant was used for the modification of the montmorillonite. The fluorinated montmorillonite (FMMT) applied in the polymerisation was not only used as nanocomposite filler but also as a guest stabiliser. This study examined the stabilisation roles of stabiliser and guest stabiliser respectively. The optimum dosages of both compounds were studied. The polymerisation with mixed stabiliser resulted in high yield and high molecular weight. Moreover, a series of nanocomposites were characterized and the products showed excellent properties. It was found that the montmorillonite layer could be completely exfoliated using reasonable loading, and dispersed in the polymer matrix. In addition, the pressure of scCO2 was studied and the density of scCO2 was shown to be relevant to the stabilisation of the reaction. The mixed stabiliser system made the polymerisation more effective and the in-situ dispersion polymerisation performed in scCO2 was shown to be a useful method for the nanocomposites preparation. 37 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-bismaleimide-modified-vinyl-ester-monomer-unsaturated-polyester-intercrosslinked-hybrid-matrices/ # SYNTHESIS AND CHARACTERIZATION OF BISMALEIMIDE MODIFIED VINYL ESTER MONOMER-UNSATURATED POLYESTER INTERCROSSLINKED HYBRID MATRICES > Title: SYNTHESIS AND CHARACTERIZATION OF BISMALEIMIDE MODIFIED VINYL ESTER MONOMER-UNSATURATED POLYESTER INTERCROSSLINKED HYBRID MATRICES Page Range: p.233-242 Author(s): Chandramohan A; Mandhakini M; Dinakaran K; Alagar M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-bismaleimide-modified-vinyl-ester-monomer-unsaturated-polyester-intercrosslinked-hybrid-matrices/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF BISMALEIMIDE MODIFIED VINYL ESTER MONOMER-UNSATURATED POLYESTER INTERCROSSLINKED HYBRID MATRICES** Page Range: p.233-242 Author(s): Chandramohan A; Mandhakini M; Dinakaran K; Alagar M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101888&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** Intercrosslinked hybrid matrices were developed from N,N'-bismaleimido-4,4'-diphenyl methane (BMI) modified vinyl ester monomer (VEM), namely cyclohexyl-1,1'-bis[4-((gamma)-2-methylphenoxy)-(alpha)-hydroxypropylacrylate]unsaturated polyester (UP) resin. BMI-modified VEM-UP hybrid matrices were characterized for their mechanical properties, viz. tensile strength, flexural strength, unnotched izod impact strength and hardness as per ASTM standards. Data obtained from thermal studies indicated that the introduction of vinyl ester monomer into unsaturated polyester resin marginally reduced the values of heat distortion temperature and glass transition temperature compared with those of the neat UP resin. Scanning electron microscopy studies of BMI modified VEM-unsaturated polyester systems exhibited a homogeneous morphology, confirming efficient chemical interaction and the formation of intercrosslinked networks. 25 Refs. --- --- Source: https://polymerjournals.com/rheological-thermal-and-dynamic-mechanical-studies-of-the-ldpe-perlite-nanocomposites/ # RHEOLOGICAL, THERMAL AND DYNAMIC MECHANICAL STUDIES OF THE LDPE/PERLITE NANOCOMPOSITES > Title: RHEOLOGICAL, THERMAL AND DYNAMIC MECHANICAL STUDIES OF THE LDPE/PERLITE NANOCOMPOSITES Page Range: p.243-249 Author(s): Sahraeian R; Esfandeh M; Hashemi S A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/rheological-thermal-and-dynamic-mechanical-studies-of-the-ldpe-perlite-nanocomposites/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGICAL, THERMAL AND DYNAMIC MECHANICAL STUDIES OF THE LDPE/PERLITE NANOCOMPOSITES** Page Range: p.243-249 Author(s): Sahraeian R; Esfandeh M; Hashemi S A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101889&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** Nanocomposites based on low-density polyethylene (LDPE) and nano perlite were prepared at various perlite contents via melt mixing in a twin-screw extruder. Rheological measurements, dynamic mechanical thermal analysis (DMTA) and thermogravimetric analysis (TGA) tests were carried out on the nanocomposites. The results confirmed the establishment of interactions between LDPE matrix and treated nano perlite. In addition, dynamic mechanical properties and thermal stability of the treated nanocomposites were improved. 24 Refs. --- --- Source: https://polymerjournals.com/modified-pet-fibres-for-metal-ion-and-dye-removal-from-aqueous-media/ # MODIFIED PET FIBRES FOR METAL ION AND DYE REMOVAL FROM AQUEOUS MEDIA > Title: MODIFIED PET FIBRES FOR METAL ION AND DYE REMOVAL FROM AQUEOUS MEDIA Page Range: p.251-258 Author(s): Majid Abdouss; Ahmad Mousavi Shoushtari; Nasrin Shamloo; Aminoddin Haji File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/modified-pet-fibres-for-metal-ion-and-dye-removal-from-aqueous-media/ Published: 2013-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODIFIED PET FIBRES FOR METAL ION AND DYE REMOVAL FROM AQUEOUS MEDIA** Page Range: p.251-258 Author(s): Majid Abdouss; Ahmad Mousavi Shoushtari; Nasrin Shamloo; Aminoddin Haji File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-4&JournalID=101890&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.4 **Abstract** In this study, poly(ethylene terephthalate) (PET) fibres were modified with methacrylic acid (MAA) to provide new chelating fibres. Benzoyl peroxide (BPO) was used as initiator. To increase the grafting yield, a pretreatment with formaldehyde was done, which increased the efficiency of grafting treatment by connecting -CH2OH groups to the fibres' polymeric chains. The effect of reaction parameters including methacrylic acid concentration, benzoyl peroxide concentration, reaction time and temperature on grafting yield were studied. The extent of fibre modification was characterized with FT-IR spectroscopy, thermo-gravimetric analysis (TGA) and SEM. The ability of modified fibres to adsorb Cu2+ and Pb2+ ions from aqueous media was determined using atomic absorption spectroscopy. The results confirmed that the methacrylic acid grafted PET fibres could remove Cu2+ and Pb2+ ions from water efficiently. Also, the modified fibre was used for basic dye adsorption from water and showed a great capacity for removal of cationic dyes from aqueous media. 18 Refs. --- --- Source: https://polymerjournals.com/development-of-a-rubber-based-product-using-a-mixture-experiment-a-challenging-case-study/ # DEVELOPMENT OF A RUBBER-BASED PRODUCT USING A MIXTURE EXPERIMENT: A CHALLENGING CASE STUDY > Title: DEVELOPMENT OF A RUBBER-BASED PRODUCT USING A MIXTURE EXPERIMENT: A CHALLENGING CASE STUDY Page Range: p.123-150 Author(s): Yahya Kaya; Piepel G F; Erdal Caniyilmaz File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and... Canonical URL: https://polymerjournals.com/development-of-a-rubber-based-product-using-a-mixture-experiment-a-challenging-case-study/ Published: 2013-03-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: DEVELOPMENT OF A RUBBER-BASED PRODUCT USING A MIXTURE EXPERIMENT: A CHALLENGING CASE STUDY** Page Range: p.123-150 Author(s): Yahya Kaya; Piepel G F; Erdal Caniyilmaz File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101911&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.3 **Abstract** Many products used in daily life are made by blending two or more components. The properties of such products typically depend on the relative proportions of the components. Experimental design, modelling, and data analysis methods for mixture experiments provide for efficiently determining the component proportions that will yield a product with desired properties. This article presents a case study of the work performed to develop a new rubber formulation for an o-ring (a circular gasket) with requirements specified on 10 product properties. Each step of the study is discussed, including: 1) identifying the objective of the study and requirements for properties of the o-ring, 2) selecting the components to vary and specifying the component constraints, 3) constructing a mixture experiment design, 4) measuring the responses and assessing the data, 5) developing property-composition models, 6) selecting the new product formulation, and 7) confirming the selected formulation in manufacturing. The case study includes some challenging and new aspects, which are discussed in the article. 17 Refs. --- --- Source: https://polymerjournals.com/effect-of-fly-ash-as-filler-in-rubber-a-comprehensive-study-of-the-vulcanisate-properties-of-styrene-butadiene-rubber-compounds/ # EFFECT OF FLY ASH AS FILLER IN RUBBER – A COMPREHENSIVE STUDY OF THE VULCANISATE PROPERTIES OF STYRENE-BUTADIENE RUBBER COMPOUNDS > Title: EFFECT OF FLY ASH AS FILLER IN RUBBER - A COMPREHENSIVE STUDY OF THE VULCANISATE PROPERTIES OF STYRENE-BUTADIENE RUBBER COMPOUNDS Page Range: p.151-168 Author(s): Mridul Dasgupta; Saptarshi Kar; Saikat Das Gupta; Rabindra Mukhopadhyay; Abhijit Bandyopadhyay File size: Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/effect-of-fly-ash-as-filler-in-rubber-a-comprehensive-study-of-the-vulcanisate-properties-of-styrene-butadiene-rubber-compounds/ Published: 2013-03-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: EFFECT OF FLY ASH AS FILLER IN RUBBER - A COMPREHENSIVE STUDY OF THE VULCANISATE PROPERTIES OF STYRENE-BUTADIENE RUBBER COMPOUNDS** Page Range: p.151-168 Author(s): Mridul Dasgupta; Saptarshi Kar; Saikat Das Gupta; Rabindra Mukhopadhyay; Abhijit Bandyopadhyay File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101912&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.3 **Abstract** The effect of fly ash as a filler for an ESBR-based compound was studied in the range 0-80 phr. Characterisation of fly ash, as received, revealed the abundance of 200 mesh size particles with an average diameter of 10 (mu)m; composition analysis showed the predominance of silica and alumina. The properties of ESBR compounds filled with fly ash particles of T200 mesh were compared with those of clay- and whiting-filled compounds. The cure rate index remained unchanged for fly ash throughout the range of loading studied here; clay showed a lower cure rate, and whiting showed a higher value than fly ash. The 300% modulus values did not show any improvement with increase in fly ash loading, the values being comparable with those for whiting and inferior to those for clay. Fly ash gives the lowest heat build-up and tan delta (at 70 degrees C) values among the three fillers under discussion. 26 Refs. --- --- Source: https://polymerjournals.com/controllable-microwave-assisted-polycarbonate-waste-chemical-recycling/ # CONTROLLABLE MICROWAVE-ASSISTED POLYCARBONATE WASTE CHEMICAL RECYCLING > Title: CONTROLLABLE MICROWAVE-ASSISTED POLYCARBONATE WASTE CHEMICAL RECYCLING Page Range: p.169-176 Author(s): Mir Mohammad Alavi Nikje; Askarzadeh M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue... Canonical URL: https://polymerjournals.com/controllable-microwave-assisted-polycarbonate-waste-chemical-recycling/ Published: 2013-03-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: CONTROLLABLE MICROWAVE-ASSISTED POLYCARBONATE WASTE CHEMICAL RECYCLING** Page Range: p.169-176 Author(s): Mir Mohammad Alavi Nikje; Askarzadeh M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101913&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.3 **Abstract** A simple, convenient and novel method was developed for the recovery of bisphenol-A from polycarbonate wastes under microwave irradiation. In this study bisphenol-A was recovered at a 100% yield by using a mixture of glycerol/water as the green solvent and sodium hydroxide as the catalyst, respectively. This methodology can overcome the disadvantages existing in traditional methods such as long reaction times, high energy consumptions, use of harmful reagents and environmental problems, and is applicable to all types of polycarbonates. 18 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-the-composite-material-based-on-modified-scrap-tires-and-polymer-binder/ # MECHANICAL PROPERTIES OF THE COMPOSITE MATERIAL BASED ON MODIFIED SCRAP TIRES AND POLYMER BINDER > Title: MECHANICAL PROPERTIES OF THE COMPOSITE MATERIAL BASED ON MODIFIED SCRAP TIRES AND POLYMER BINDER Page Range: p.177-187 Author(s): Plesuma R; Megne A; Mateusa-Krukle I; Malers L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Progress in Rubber,... Canonical URL: https://polymerjournals.com/mechanical-properties-of-the-composite-material-based-on-modified-scrap-tires-and-polymer-binder/ Published: 2013-03-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: MECHANICAL PROPERTIES OF THE COMPOSITE MATERIAL BASED ON MODIFIED SCRAP TIRES AND POLYMER BINDER** Page Range: p.177-187 Author(s): Plesuma R; Megne A; Mateusa-Krukle I; Malers L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-3&JournalID=101914&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.3 **Abstract** The present work focuses on the investigation of the mechanical properties of the composite material composed of preliminary modified rubber crumb and a polymer binder. The modification of rubber crumb was realized by means of treatment with water or sulphuric acid, in order to change the degree of polymer crosslinking or to intensify adhesion interaction between rubber particles and polymer binder. The Shore C hardness, compressive stress at 10% deformation and compression modulus of elasticity, ultimate tensile strength and elongation at break of composite material, in correlation with its composition and adhesion between rubber and polymer binder were investigated. Obtained results show possibility of attaining significant changes in the mechanical properties of composite material by selected rubber crumb treatment methods, in correlation with the composite material composition. This gives additional opportunity for meaningful improvement of composite material production technology. 13 Refs. --- --- Source: https://polymerjournals.com/synthesis-of-polypyrrole-cellulose-composites-in-ionic-liquids/ # SYNTHESIS OF POLYPYRROLE/CELLULOSE COMPOSITES IN IONIC LIQUIDS > Title: SYNTHESIS OF POLYPYRROLE/CELLULOSE COMPOSITES IN IONIC LIQUIDS Page Range: p.125-154 Author(s): Yang Tan; Khashayar Ghandi Click Here to Download Now! - File size: 404K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.3 Abstract Conductive polymers... Canonical URL: https://polymerjournals.com/synthesis-of-polypyrrole-cellulose-composites-in-ionic-liquids/ Published: 2013-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: SYNTHESIS OF POLYPYRROLE/CELLULOSE COMPOSITES IN IONIC LIQUIDS** ![](http://apc.jpg)Page Range: p.125-154 Author(s): Yang Tan; Khashayar Ghandi ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1141689.pdf) - File size: 404K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.3 **Abstract** Conductive polymers are a promising class of polymer materials which have unusual combination properties of conductive metals and insulated plastics. Conductive polymers or conductive polymer-based composites are expected to be widely applied in the new growing technology area of photovoltaic devices, display devices, corrosion protection, batteries, and super-capacitors. Polypyrrole (PPy) is one of the conducting polymers. This study reports the synthesis of PPy/cellulose in ionic liquids (ILs). Conductive polypyrrole-cellulose ionic liquid (PPy-C-IL) composites were synthesised by chemical polymerisation. PPy-C-IL composites both overcome the inadequate mechanical property of polypyrrole, and give a conductive property to the world's most abundant material-cellulose. The synthesis applied a relatively 'green' method that employed a phosphonium IL (trihexyl(tetradecyl) phosphonium dicyanamide) as a novel solvent for dissolution of cellulose (pulp) and in situ polymerisation. The structures, morphology and electrical properties of the homogenous composites were characterized with Fourier-transform infrared spectroscopy, a scanning electron microscope, and a conductivity probe that was built in-house for the purpose. 65 Refs. --- Source: https://polymerjournals.com/synthesis-and-characterization-of-polyurethane-layered-silicate-nanocomposites-using-tris2-hydroxyethylammonium-ions-attached-montmorillonite/ # SYNTHESIS AND CHARACTERIZATION OF POLYURETHANE-LAYERED SILICATE NANOCOMPOSITES USING TRIS(2-HYDROXYETHYL)AMMONIUM IONS ATTACHED MONTMORILLONITE > Title: SYNTHESIS AND CHARACTERIZATION OF POLYURETHANE-LAYERED SILICATE NANOCOMPOSITES USING TRIS(2-HYDROXYETHYL)AMMONIUM IONS ATTACHED MONTMORILLONITE Page Range: p.155-166 Author(s): Mukesh Kumar; Govind Gupta; Subramani Sankaraiah; Tharanikkarasu Kannan Click Here to Download Now! - File size: 232K (subscribers only) Journal: Applied Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-polyurethane-layered-silicate-nanocomposites-using-tris2-hydroxyethylammonium-ions-attached-montmorillonite/ Published: 2013-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF POLYURETHANE-LAYERED SILICATE NANOCOMPOSITES USING TRIS(2-HYDROXYETHYL)AMMONIUM IONS ATTACHED MONTMORILLONITE** ![](http://apc.jpg)Page Range: p.155-166 Author(s): Mukesh Kumar; Govind Gupta; Subramani Sankaraiah; Tharanikkarasu Kannan ![](http://dload.gif)Click Here to Download Now! - File size: 232K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.3 **Abstract** Polyurethane-montmorillonite nanocomposites were successfully synthesised using novel tris(2-hydroxyethyl)ammonium ions attached montmorillonite. To enhance the interfacial interactions between the polyurethane and montmorillonite, first, sodium ions present in sodium montmorillonite layers were exchanged with tris(2-hydroxyethyl)ammonium ions and resulting modified montmorillonite was used during the synthesis of polyurethane. As tris(2-hydroxyethyl)ammonium ions are bigger than the sodium ions, during the modification, the distance between montmorillonite layers increased from 1.1 nm to 1.73 nm. X-ray diffraction and transmission electron microscopy results confirm the formation of exfoliated and intercalated polyurethane-montmorillonite nanocomposites. When compared to virgin polyurethane, polyurethane-montmorillonite nanocomposites show higher thermal stability and glass transition temperature. 35 Refs. --- Source: https://polymerjournals.com/characterization-of-bacterial-cellulose-chitosan-composite-membrane-grafted-with-theophylline-imprinted-copolymer/ # CHARACTERIZATION OF BACTERIAL CELLULOSE-CHITOSAN COMPOSITE MEMBRANE GRAFTED WITH THEOPHYLLINE-IMPRINTED COPOLYMER > Title: CHARACTERIZATION OF BACTERIAL CELLULOSE-CHITOSAN COMPOSITE MEMBRANE GRAFTED WITH THEOPHYLLINE-IMPRINTED COPOLYMER Page Range: p.167-186 Author(s): Mohd Redza Abd Rahman; Ida Idayu Muhamad; Siti Nur Hidayah Mohamad; Norhayati Pa'e File size: 345K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Applied... Canonical URL: https://polymerjournals.com/characterization-of-bacterial-cellulose-chitosan-composite-membrane-grafted-with-theophylline-imprinted-copolymer/ Published: 2013-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: CHARACTERIZATION OF BACTERIAL CELLULOSE-CHITOSAN COMPOSITE MEMBRANE GRAFTED WITH THEOPHYLLINE-IMPRINTED COPOLYMER** Page Range: p.167-186 Author(s): Mohd Redza Abd Rahman; Ida Idayu Muhamad; Siti Nur Hidayah Mohamad; Norhayati Pa'e File size: 345K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-3&JournalID=101974&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.3 **Abstract** Benzyl diethyl dithiocarbamate is immobilised on a composite bacterial cellulose chitosan membrane via a silane coupler. This treated membrane is grafted with theophylline-imprinted copolymer of methacrylic acid and ethylene glycol dimethacrylate by ultraviolet irradiation. The highest degree of grafting obtained is 0.3334% for r (weight ratio of monomers to bacterial cellulose-chitosan membrane) equal to 3.244 in mmol/ml. The synthesised membrane is prepared by using 0.5% chitosan solution containing 15.0% PEG and evaporating the solution for 2.5 hour after coating at room temperature. The relative flux of 3.69 L/m2.h at 12.5 bar is obtained. The average pore diameters are 135 A in dry state and 404 A in wet state. The chitosan and polyethylene glycol contents have a significant effect on membrane porosity and the flow rate of water through the membrane. The membrane tensile strength is larger than the plain bacterial cellulose support, in both wet and dry states. 25 Refs. --- --- Source: https://polymerjournals.com/combined-effect-of-alkali-and-silane-treatments-on-tensile-and-impact-properties-of-roystonea-regia-natural-fiber-reinforced-epoxy-composites/ # COMBINED EFFECT OF ALKALI AND SILANE TREATMENTS ON TENSILE AND IMPACT PROPERTIES OF ROYSTONEA REGIA NATURAL FIBER REINFORCED EPOXY COMPOSITES > Title: COMBINED EFFECT OF ALKALI AND SILANE TREATMENTS ON TENSILE AND IMPACT PROPERTIES OF ROYSTONEA REGIA NATURAL FIBER REINFORCED EPOXY COMPOSITES Page Range: p.187-196 Author(s): Govardhan Goud; Rao R N Click Here to Download Now! - File size: 246K (subscribers only) Journal:... Canonical URL: https://polymerjournals.com/combined-effect-of-alkali-and-silane-treatments-on-tensile-and-impact-properties-of-roystonea-regia-natural-fiber-reinforced-epoxy-composites/ Published: 2013-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: COMBINED EFFECT OF ALKALI AND SILANE TREATMENTS ON TENSILE AND IMPACT PROPERTIES OF ROYSTONEA REGIA NATURAL FIBER REINFORCED EPOXY COMPOSITES** ![](http://apc.jpg)Page Range: p.187-196 Author(s): Govardhan Goud; Rao R N ![](http://dload.gif)Click Here to Download Now! - File size: 246K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.3 **Abstract** Effect of fibre content and combined effect of alkali and silane coupling agent treatments on tensile and impact properties of unidirectional roystonea regia natural fibre reinforced epoxy based partially bio degradable composites is reported. The reinforcement roystonea regia fibre was collected from the foliage of royal palm tree. To overcome the problems of poor fibre/matrix interface bonding, alkali and silane treatments have been applied to fibres to process the composites. Alkali treatment has been found to be more effective in improving the tensile properties than the silane treatment; however mixed treatment further slightly improved the properties. In general, the impact strength of all the treated fibre composites decreased compared to the untreated fibre composites; however, the silane treated fibre composites have shown higher impact strength followed by alkali treated fibre composites. Morphology of composites examined by scanning electron microscopy has also been reported. 14 Refs. --- Source: https://polymerjournals.com/morphological-physico-mechanical-and-thermal-properties-of-banana-plant-fibers-musa-sapientum/ # MORPHOLOGICAL, PHYSICO-MECHANICAL AND THERMAL PROPERTIES OF BANANA PLANT FIBERS (MUSA SAPIENTUM) > Title: MORPHOLOGICAL, PHYSICO-MECHANICAL AND THERMAL PROPERTIES OF BANANA PLANT FIBERS (MUSA SAPIENTUM) Page Range: p.197-206 Author(s): Aseer J R; Sankaranarayanasamy K; Jayabalan P Click Here to Download Now! - File size: 169K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume:... Canonical URL: https://polymerjournals.com/morphological-physico-mechanical-and-thermal-properties-of-banana-plant-fibers-musa-sapientum/ Published: 2013-03-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: MORPHOLOGICAL, PHYSICO-MECHANICAL AND THERMAL PROPERTIES OF BANANA PLANT FIBERS (MUSA SAPIENTUM)** ![](http://apc.jpg)Page Range: p.197-206 Author(s): Aseer J R; Sankaranarayanasamy K; Jayabalan P ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1141693.pdf) - File size: 169K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.3 **Abstract** Environmental consciousness and increasing awareness of green technology have stirred the entire gamut of industry to move towards new materials instead of using conventional synthetic polymeric fibres. They are both a responsible and a sustainable choice. Natural fibre can be a good substitute as they are available in fibrous form at low cost. The work presented here deals with banana fibres (Musa Sapientum) which are extracted from the stem of the banana plant. The microstructure, physical and mechanical properties are investigated. The diameter and density of the fibres are 0.15 mm and 1.36 g/cm3 respectively. Tensile test results show that tensile strength is in the range of 345-520 MPa. The fracture mode of fibres after tensile testing are investigated through Scanning electron microscope images (SEM). Thermogravimetric analysis (TGA) shows that thermal stability of banana fibre is up to 252 deg C. 19 Refs. --- Source: https://polymerjournals.com/interrelation-between-contact-angle-and-interlayer-spacing-of-montmorillonite-clay-used-in-polymer-nanocomposites/ # INTERRELATION BETWEEN CONTACT ANGLE AND INTERLAYER SPACING OF MONTMORILLONITE CLAY USED IN POLYMER NANOCOMPOSITES > Title: INTERRELATION BETWEEN CONTACT ANGLE AND INTERLAYER SPACING OF MONTMORILLONITE CLAY USED IN POLYMER NANOCOMPOSITES Page Range: p.129-132 Author(s): Lemiye Atabek Savas; Soner Savas File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/interrelation-between-contact-angle-and-interlayer-spacing-of-montmorillonite-clay-used-in-polymer-nanocomposites/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERRELATION BETWEEN CONTACT ANGLE AND INTERLAYER SPACING OF MONTMORILLONITE CLAY USED IN POLYMER NANOCOMPOSITES** Page Range: p.129-132 Author(s): Lemiye Atabek Savas; Soner Savas File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101898&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** In this study, the effect of interlayer d-spacing on the contact angle (-c) of montmorillonite nanoclays was investigated. Three type of montmorillonites, pure hydrophilic, modified with 35-45 wt.% dimethyl dialkyl (C14-C18) amine (Nanomer I.44P) and modified with (1-hexadecyl) tri-methylammonium bromide (HDTMAB), were used for comparison. According to the results, it was found that cations can be replaced by organic cations and interlayer spacing increases. Although organophilic montmorillonite clays whose surface energy is lowered and is more compatible with organic polymers, they shows hydrophobic behaviour with water. Modified clays were found to have a larger interlayer d-spacing and also a larger time-independent contact angle in comparison to the un-modified clay. 8 Refs. --- --- Source: https://polymerjournals.com/production-of-a-polymeric-composite-material-filled-with-halogen-free-flame-retardant/ # PRODUCTION OF A POLYMERIC COMPOSITE MATERIAL FILLED WITH HALOGEN-FREE FLAME RETARDANT > Title: PRODUCTION OF A POLYMERIC COMPOSITE MATERIAL FILLED WITH HALOGEN-FREE FLAME RETARDANT Page Range: p.133-138 Author(s): Melih Can Yilmaz; Ayhan Ezdesir; Sevgi Ulutan; Pinar Tuzum-Demir A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/production-of-a-polymeric-composite-material-filled-with-halogen-free-flame-retardant/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PRODUCTION OF A POLYMERIC COMPOSITE MATERIAL FILLED WITH HALOGEN-FREE FLAME RETARDANT** Page Range: p.133-138 Author(s): Melih Can Yilmaz; Ayhan Ezdesir; Sevgi Ulutan; Pinar Tuzum-Demir A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101899&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** In the present study a composite material to be used in cable industry, which has LDPE/EVA (low density polyethylene/ ethylene-vinyl acetate copolymer) polymer blend and alumina trihydrate (ATH) filler, which is a halogen-free flame retardant (HFFR), has been formulated and characterized in terms of its mechanical, rheological and flame retardant properties comparing with the commercial mixtures. Composite blends having 40% polymer component with various PE/EVA ratio and two PE type and 60% ATH were prepared. As the EVA content of composites increased from 26% to 65% the storage modulus increased by 180-220%, viscosity increases by %61-107. Composites containing 65% EVA exhibit similar properties to the commercial one. Limiting Oxygen Index (LOI) value was found as 30 for composites containing 26 mass% of EVA, it increased to 32-34 when EVA content increased to 65 mass%. 10 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-flexible-polyvinylchloride-copper-composite-films/ # PREPARATION AND CHARACTERIZATION OF FLEXIBLE POLYVINYLCHLORIDE-COPPER COMPOSITE FILMS > Title: PREPARATION AND CHARACTERIZATION OF FLEXIBLE POLYVINYLCHLORIDE-COPPER COMPOSITE FILMS Page Range: p.139-144 Author(s): Emrah Kurt; Cenk Yagiz Ozcelik; Senem Yetgin; Filiz Ozmihci Omurlu; Devrim Balkose File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-flexible-polyvinylchloride-copper-composite-films/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF FLEXIBLE POLYVINYLCHLORIDE-COPPER COMPOSITE FILMS** Page Range: p.139-144 Author(s): Emrah Kurt; Cenk Yagiz Ozcelik; Senem Yetgin; Filiz Ozmihci Omurlu; Devrim Balkose File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101900&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** Flexible PVC films are statically charged due to their low electrical conductivity. This creates fire threat during its handling. Conductive materials are added to films to prevent this. In the present study it was aimed to prepare PVC- copper composite films by sol gel technique and characterize the prepared films. It was aimed to increase the electrical conductivity of the films by adding copper powder. However, the copper particles settled down to bottom instead of forming a conductive network that covers the whole cross section. Thus at the film cross section a plastic upper phase and a copper rich lower phase were present. The film did not conduct electricity due to this uneven distribution. The minimum volumetric and surface resistivities of the films were at the order of 109 ohm-cm and 1010 ohm square respectively. 6 Refs. --- --- Source: https://polymerjournals.com/molecularly-imprinted-polymers-and-their-synthesis-by-different-methods/ # MOLECULARLY IMPRINTED POLYMERS AND THEIR SYNTHESIS BY DIFFERENT METHODS > Title: MOLECULARLY IMPRINTED POLYMERS AND THEIR SYNTHESIS BY DIFFERENT METHODS Page Range: p.145-150 Author(s): Fadim Yemis; Pinar Alkan; Berin Yenigul; Mesut Yenigul File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/molecularly-imprinted-polymers-and-their-synthesis-by-different-methods/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MOLECULARLY IMPRINTED POLYMERS AND THEIR SYNTHESIS BY DIFFERENT METHODS** Page Range: p.145-150 Author(s): Fadim Yemis; Pinar Alkan; Berin Yenigul; Mesut Yenigul File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101901&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** Over the past thirty years, molecular imprinting has aroused great research interest for scientists. This attention can be explained by the serious potential advantages of using molecularly imprinted polymers in place of natural receptors and enzymes such as their superior durability, low-cost and easy preparation. Furthermore molecular imprinting is a promising technique for the preparation of polymer composites with predetermined selectivity and high affinity. This mini review examines and evaluates the preparation technique and utility application of molecularly imprinted polymers (MIPs) in several areas. The review begins with a brief introduction to MIPs with a focus on their preparations and continues with application areas. 27 Refs. --- --- Source: https://polymerjournals.com/polystyrene-organoclay-nanocomposites-prepared-via-in-situ-emulsion-polymerization/ # POLYSTYRENE-ORGANOCLAY NANOCOMPOSITES PREPARED VIA IN-SITU EMULSION POLYMERIZATION > Title: POLYSTYRENE-ORGANOCLAY NANOCOMPOSITES PREPARED VIA IN-SITU EMULSION POLYMERIZATION Page Range: p.151-156 Author(s): Cetintas M; Uyanik N File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 Abstract In... Canonical URL: https://polymerjournals.com/polystyrene-organoclay-nanocomposites-prepared-via-in-situ-emulsion-polymerization/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYSTYRENE-ORGANOCLAY NANOCOMPOSITES PREPARED VIA IN-SITU EMULSION POLYMERIZATION** Page Range: p.151-156 Author(s): Cetintas M; Uyanik N File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101902&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** In this study, polystyrene-clay nanocomposites (PSNC's) were prepared via in-situ bulk and in-situ emulsion polymerisation. The effect of organoclay and the architecture of surfactant were investigated. For the investigation of the effect of surfactant, organoclays were synthesised containing clay modifiers having different structures. Trimethylhexadecyl ammonium chloride, dimethylbenzylhexadecyl ammonium chloride and dimethylbenzyl(4vinyl) hexadecyl ammonium chloride, which is synthesised in laboratory, modified clays were synthesised. Pristine polystyrene (PS) was synthesised by bulk and emulsion polymerisation for comparison, and PSNC's containing 3 wt.% organoclays were prepared by both these polymerisation methods. Structural analysis of synthesised surfactant was identified by Nuclear Magnetic Resonance (NMR) Spectrometer. The interlayer spacing of silicate layers and the morphology of samples were examined by using the X-ray Diffraction (XRD) Spectrometer and Scanning Electron Microscopy (SEM) images, respectively. Thermal properties of nanocomposites were determined by Thermogravimetric analyser (TGA) and Differential Scanning Calorimeter (DSC). It is observed that organoclays and PS were compatible to each other and each organoclay could form a nanocomposite structure with PS. PSNC's exhibited better properties than pristine PS. Nanocomposites prepared by in-situ emulsion polymerisation resulted with better thermal properties and higher interlayer distances than that prepared by in-situ bulk polymerisation. In order to improve some properties of PS such as thermal stability, preparation of PSNC's by in-situ emulsion polymerisation has been suggested. 12 Refs. --- --- Source: https://polymerjournals.com/industrial-plant-application-of-hydrophobic-coating-on-tile-surface/ # INDUSTRIAL PLANT APPLICATION OF HYDROPHOBIC COATING ON TILE SURFACE > Title: INDUSTRIAL PLANT APPLICATION OF HYDROPHOBIC COATING ON TILE SURFACE Page Range: p.157-160 Author(s): Ayse Tunali; Neslihan Tamsu Selli File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No:... Canonical URL: https://polymerjournals.com/industrial-plant-application-of-hydrophobic-coating-on-tile-surface/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INDUSTRIAL PLANT APPLICATION OF HYDROPHOBIC COATING ON TILE SURFACE** Page Range: p.157-160 Author(s): Ayse Tunali; Neslihan Tamsu Selli File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101903&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** Nowadays, ceramic tile surface properties such as easy to clean surface is highly demanded by the market. In order to design these new easy to clean-hydrophobic surfaces, nanomaterials and/or hybrid materials will be indispensable. At present, these novel materials are hardly used in ceramic tile manufacturing processes. It is therefore necessary to develop a completely new methodology in order to suitably choose, handle, and incorporate these materials into the ceramic tile surface with a view to obtaining the desired properties. The aim of this investigation was the industrialisation of application of hydrophobic coating on tile surface by choosing appropriate tools and optimizing process parameters. Airtight mixing and spraying tank was designed to prevent gelation of hydrophobic solution during application. Then tile temperature and amount of solution was optimized. It has been observed that hydrophobic coating provide high contact angle without changing surface appearance of tiles. 7 Refs. --- --- Source: https://polymerjournals.com/adsorption-kinetics-studies-of-polymeric-nanocomposite-coagulants/ # ADSORPTION KINETICS STUDIES OF POLYMERIC NANOCOMPOSITE COAGULANTS > Title: ADSORPTION KINETICS STUDIES OF POLYMERIC NANOCOMPOSITE COAGULANTS Page Range: p.161-170 Author(s): Seher Uzunsakal; Serhat Zeytinci; Uyanik O L; Nurseli Uyanik File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21... Canonical URL: https://polymerjournals.com/adsorption-kinetics-studies-of-polymeric-nanocomposite-coagulants/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ADSORPTION KINETICS STUDIES OF POLYMERIC NANOCOMPOSITE COAGULANTS** Page Range: p.161-170 Author(s): Seher Uzunsakal; Serhat Zeytinci; Uyanik O L; Nurseli Uyanik File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101904&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** The aim of this study is to investigate the adsorption characteristics of dicyandiamide-formaldehyde resin (DCD-F) nanocomposites. For this purpose, 2%, 4%, and 8% unmodified layered silicate clay (Na-Montmorillonite) containing DCD-F nanocomposites (DCD-F- MMT) were prepared. The synthesised samples were structurally defined by XRD, SEM-EDX, and TGA characterisations. The adsorption performance of nanocomposites was tested by using two anionic dyes. Adsorption capacities of pure resin and three nanocomposites were followed against time and the nanocomposite containing 8% Na-MMT (DCD-F-MMT8%) was found to have the highest equilibrium adsorption capacity (qe). Therefore, the effects of dye concentration, pH, and temperature on qe were investigated using DCD-F-MMT8%. The kinetic and thermodynamic parameters of adsorption were obtained based on the experimental data. 10 Refs. --- --- Source: https://polymerjournals.com/fabrication-of-composite-tiles-from-polyethylene-terephthalate-pet-and-micro-marble-particles-reinforced-with-glass-fiber-mats-comparison-of-recycled-and-commercial-resin/ # FABRICATION OF COMPOSITE TILES FROM POLY(ETHYLENE TEREPHTHALATE) (PET) AND MICRO-MARBLE PARTICLES REINFORCED WITH GLASS FIBER MATS: COMPARISON OF RECYCLED AND COMMERCIAL RESIN > Title: FABRICATION OF COMPOSITE TILES FROM POLY(ETHYLENE TEREPHTHALATE) (PET) AND MICRO-MARBLE PARTICLES REINFORCED WITH GLASS FIBER MATS: COMPARISON OF RECYCLED AND COMMERCIAL RESIN Page Range: p.171-176 Author(s): Galip Icduygu M; Levent Aktas; Cengiz Altan M File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/fabrication-of-composite-tiles-from-polyethylene-terephthalate-pet-and-micro-marble-particles-reinforced-with-glass-fiber-mats-comparison-of-recycled-and-commercial-resin/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FABRICATION OF COMPOSITE TILES FROM POLY(ETHYLENE TEREPHTHALATE) (PET) AND MICRO-MARBLE PARTICLES REINFORCED WITH GLASS FIBER MATS: COMPARISON OF RECYCLED AND COMMERCIAL RESIN** Page Range: p.171-176 Author(s): Galip Icduygu M; Levent Aktas; Cengiz Altan M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101905&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** Polyester composite tiles (PCT) are synthesised from PET and fabricated by compression moulding using micromarble clusters as filler. Identical PCTs are also fabricated by using commercially available polyester resin to compare properties. Three batches of marble clusters with different size distributions are used to assess the effect of filler particle size on mechanical properties. Tiles prepared using finer marble grades yield consistently higher flexural strength and stiffness values regardless of the synthesised or commercial polyester resin. However, the flexural strength and stiffness of the tiles prepared with commercial polyester are observed to be on average 1.8 and 2.5 fold higher, respectively. Prospects of improving mechanical properties are explored by reinforcing PC tiles with randomly oriented, discontinuous glass fibres. This is achieved by placing a single layer of glass fibre mat on the top and bottom tile surface. Presence of fibre mats leads to the formation of a graded particle size distribution across the mat thickness when the coarse grade marble dust is used. This distribution resulted in significant improvements in flexural strength, stiffness and overall toughness of the tiles. The improvements observed in PCTs prepared with synthesised polyester resin surpassed the improvements in their counterparts prepared with commercial polyester. In fact, the flexural strength of the glass fibre mat reinforced PCTs prepared with synthesised and commercial polyester resin are observed to be statistically identical. 18 Refs. --- --- Source: https://polymerjournals.com/flexible-pvc-silica-composites-as-an-adsorptive-material-for-water-soluble-dyes/ # FLEXIBLE PVC-SILICA COMPOSITES AS AN ADSORPTIVE MATERIAL FOR WATER SOLUBLE DYES > Title: FLEXIBLE PVC-SILICA COMPOSITES AS AN ADSORPTIVE MATERIAL FOR WATER SOLUBLE DYES Page Range: p.177-182 Author(s): Sevgi Ulutan; Senem Yetgin; Devrim Balkose File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/flexible-pvc-silica-composites-as-an-adsorptive-material-for-water-soluble-dyes/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLEXIBLE PVC-SILICA COMPOSITES AS AN ADSORPTIVE MATERIAL FOR WATER SOLUBLE DYES** Page Range: p.177-182 Author(s): Sevgi Ulutan; Senem Yetgin; Devrim Balkose File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101906&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** Methylene Blue (MB) adsorption studies were performed on flexible Polyvinyl Chloride/Silica composites which were obtained by using plastisol-plastigel technology. Change of MB concentration in aqueous phase as the adsorption process advanced was followed by using visible spectroscopy. The diffusion of MB through the composites exhibited non-Fickian behaviour with a diffusivity of 10-11 m2s-1. Making use of such PVC-silica composite sheets as column packing, the packing time will be reduced and the surface available for diffusion will be increased. 22 Refs. --- --- Source: https://polymerjournals.com/production-and-characterization-of-polyethylene-calcium-carbonate-composite-materials-by-using-calcium-carbonate-dry-and-wet-coated-with-different-fatty-acids/ # PRODUCTION AND CHARACTERIZATION OF POLYETHYLENE/CALCIUM CARBONATE COMPOSITE MATERIALS BY USING CALCIUM CARBONATE DRY AND WET COATED WITH DIFFERENT FATTY ACIDS > Title: PRODUCTION AND CHARACTERIZATION OF POLYETHYLENE/CALCIUM CARBONATE COMPOSITE MATERIALS BY USING CALCIUM CARBONATE DRY AND WET COATED WITH DIFFERENT FATTY ACIDS Page Range: p.183-188 Author(s): Ilhan Ozen; Suleyman Simsek; Feride Eren File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/production-and-characterization-of-polyethylene-calcium-carbonate-composite-materials-by-using-calcium-carbonate-dry-and-wet-coated-with-different-fatty-acids/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PRODUCTION AND CHARACTERIZATION OF POLYETHYLENE/CALCIUM CARBONATE COMPOSITE MATERIALS BY USING CALCIUM CARBONATE DRY AND WET COATED WITH DIFFERENT FATTY ACIDS** Page Range: p.183-188 Author(s): Ilhan Ozen; Suleyman Simsek; Feride Eren File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101907&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** In this study, calcium carbonate (CaCO3) was coated by suitable chemicals using aqueous or dry coating methods in the optimum conditions. Uncoated calcium carbonate having a mean particle size (d50) of 1.6 microns and a top cut (d98) of 8 microns was provided commercially and it was dry and wet coated with saturated fatty acids whose carbon numbers vary between 14 and 18. Coating amount was adjusted to 0.5-2%. Particle size and particle size distribution of the calcium carbonates before and after coating were investigated. After characterisation of the coated calcium carbonates, they were incorporated into linear low density polyethylene (LLDPE) in changing amounts using a twin screw extruder. The effects of coating chemicals, coating conditions and filler amount on composite materials were studied by evaluating the thermal (DSC and TGA) and appearance (Scanning Electron Microscope (SEM)) analyses. 11 Refs. --- --- Source: https://polymerjournals.com/using-the-construction-chemicals-for-reinforcement-of-the-karatekin-university-building-against-earthquakes/ # USING THE CONSTRUCTION CHEMICALS FOR REINFORCEMENT OF THE KARATEKIN UNIVERSITY BUILDING AGAINST EARTHQUAKES > Title: USING THE CONSTRUCTION CHEMICALS FOR REINFORCEMENT OF THE KARATEKIN UNIVERSITY BUILDING AGAINST EARTHQUAKES Page Range: p.189-192 Author(s): Suleyman Uluoz; Selahattin Duzbasan; Erol Yakit; Tolga Uluoz File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/using-the-construction-chemicals-for-reinforcement-of-the-karatekin-university-building-against-earthquakes/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: USING THE CONSTRUCTION CHEMICALS FOR REINFORCEMENT OF THE KARATEKIN UNIVERSITY BUILDING AGAINST EARTHQUAKES** Page Range: p.189-192 Author(s): Suleyman Uluoz; Selahattin Duzbasan; Erol Yakit; Tolga Uluoz File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101908&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** The CO2 released during the production of cement is one of the major factors that affect the environmental pollution. In order to gain 1 ton CEM I cement, approximately 900 kg CO2 receiver is let out to the environment. Taking that the cement production all around the world is nearly 3 billion tones into account, it can be considered how much the flue gasses released by the cement factories affects the greenhouse gas formation. Thus, using excessive cement in concrete production causes an increase in environmental pollution. By using the construction chemicals in order to produce concrete, more qualified concrete can be provided as using less cement, the unit manufacturing cost can be reduced and a major contribution can be provided for preventing the environmental pollution. 1 Ref. --- --- Source: https://polymerjournals.com/comparison-of-the-performance-of-newly-developed-hydrophobic-coatings-with-trade-one/ # COMPARISON OF THE PERFORMANCE OF NEWLY DEVELOPED HYDROPHOBIC COATINGS WITH TRADE ONE > Title: COMPARISON OF THE PERFORMANCE OF NEWLY DEVELOPED HYDROPHOBIC COATINGS WITH TRADE ONE Page Range: p.193-194 Author(s): Neslihan Tamsu Selli; Ayse Tunali File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/comparison-of-the-performance-of-newly-developed-hydrophobic-coatings-with-trade-one/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARISON OF THE PERFORMANCE OF NEWLY DEVELOPED HYDROPHOBIC COATINGS WITH TRADE ONE** Page Range: p.193-194 Author(s): Neslihan Tamsu Selli; Ayse Tunali File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101909&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** There is a considerable demand for wall tiles with a hydrophobic surface. Because hydrophobic tile surfaces nonadhesive towards soil, ice, graffiti and other unwanted contaminants. In this study newly developed hydrophobic solution and commercially available solution was applied on the tiles to compare their performance. The two coated tiles were compared regarding their abrasion and chemical resistance. It has been observed that newly developed hydrophobic solution has higher contact angle after washability test. It also has higher durability against citric acid and hydrochloric acid. 4 Refs. --- --- Source: https://polymerjournals.com/advanced-composite-applications-in-the-construction-industry/ # ADVANCED COMPOSITE APPLICATIONS IN THE CONSTRUCTION INDUSTRY > Title: ADVANCED COMPOSITE APPLICATIONS IN THE CONSTRUCTION INDUSTRY Page Range: p.195-198 Author(s): Ayse Tunali File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 Abstract Composites offer the... Canonical URL: https://polymerjournals.com/advanced-composite-applications-in-the-construction-industry/ Published: 2013-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ADVANCED COMPOSITE APPLICATIONS IN THE CONSTRUCTION INDUSTRY** Page Range: p.195-198 Author(s): Ayse Tunali File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-3&JournalID=101910&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.3 **Abstract** Composites offer the designers a combination of properties not available in traditional materials. In addition to the use of composite material in the construction itself it has also gained momentum in the product that complete construction. For example, composite materials have been used in products that are used in bathroom (sink, closet, urine, faucet, seat) or that are used as ceramic coating material (wall tile, floor tile, porcelain stoneware tile). New advanced surface functionalities such as easy to clean, self-cleaning, anti-fingerprint, anti-slip, antibacterial, anti-microbial, stain resistance, wear resistance, scratch resistance have attracted much recent interest in the scientific community. In order to design these new surfaces nano materials and/or composite materials indispensable. The ultimate goal of this study is to present examples of these new functional products. 17 Refs. --- --- Source: https://polymerjournals.com/biodegradation-of-coir-epoxy-composites/ # BIODEGRADATION OF COIR/EPOXY COMPOSITES > Title: BIODEGRADATION OF COIR/EPOXY COMPOSITES Page Range: p.75-84 Author(s): Preeti Verma; Savita Dixit; Asokan P Click Here to Download Now! - File size: 254K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.2 Abstract Biodegradability of coir... Canonical URL: https://polymerjournals.com/biodegradation-of-coir-epoxy-composites/ Published: 2013-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: BIODEGRADATION OF COIR/EPOXY COMPOSITES** ![](http://apc.jpg)Page Range: p.75-84 Author(s): Preeti Verma; Savita Dixit; Asokan P ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1135239.pdf) - File size: 254K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.2 **Abstract** Biodegradability of coir fibre reinforced epoxy composites under the effect of cow dung has been evaluated by soil burial test. Weight loss and decrease of mechanical properties with time has been observed. Biodegradation of the composites has been established by carbon dioxide evolution and by analysis of the morphology and the chemical structure of the degraded composite by scanning electron microscope and by Fourier transform infrared spectroscopy respectively. 10 Refs. --- Source: https://polymerjournals.com/glass-fiber-and-blast-furnace-slag-particles-reinforced-epoxy-based-hybrid-composites/ # GLASS FIBER AND BLAST FURNACE SLAG PARTICLES REINFORCED EPOXY-BASED HYBRID COMPOSITES > Title: GLASS FIBER AND BLAST FURNACE SLAG PARTICLES REINFORCED EPOXY-BASED HYBRID COMPOSITES Page Range: p.85-92 Author(s): Prasanta Kumar Padhi; Alok Satapathy Click Here to Download Now! - File size: 155K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue... Canonical URL: https://polymerjournals.com/glass-fiber-and-blast-furnace-slag-particles-reinforced-epoxy-based-hybrid-composites/ Published: 2013-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: GLASS FIBER AND BLAST FURNACE SLAG PARTICLES REINFORCED EPOXY-BASED HYBRID COMPOSITES** ![](http://apc.jpg)Page Range: p.85-92 Author(s): Prasanta Kumar Padhi; Alok Satapathy ![](http://dload.gif)Click Here to Download Now! - File size: 155K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.2 **Abstract** Blast furnace slag particles (BFSP), generated in large quantities during steel manufacture consist of SiO2 and Al2O3. This study indicates that glass fibre (GF) and blast furnace slag particles (BFSP) reinforced epoxy based hybrid composites processed by hand lay-up technique exhibit improved hardness, acceptable density and well dispersed reinforcer morphology. This work highlights preparation of value added polymeric composites for tribological applications by utilizing steel plant waste. 7 Refs. --- Source: https://polymerjournals.com/mechanical-and-thermal-properties-of-epoxy-pvc-organo-modified-clay-nanocomposite/ # MECHANICAL AND THERMAL PROPERTIES OF EPOXY/PVC/ORGANO-MODIFIED CLAY NANOCOMPOSITE > Title: MECHANICAL AND THERMAL PROPERTIES OF EPOXY/PVC/ORGANO-MODIFIED CLAY NANOCOMPOSITE Page Range: p.93-102 Author(s): Pooja Kaushal; Pratibha Singh; Vishal Verma; Pandey K N; Vijai Kumar Click Here to Download Now! - File size: 172K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc... Canonical URL: https://polymerjournals.com/mechanical-and-thermal-properties-of-epoxy-pvc-organo-modified-clay-nanocomposite/ Published: 2013-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: MECHANICAL AND THERMAL PROPERTIES OF EPOXY/PVC/ORGANO-MODIFIED CLAY NANOCOMPOSITE** ![](http://apc.jpg)Page Range: p.93-102 Author(s): Pooja Kaushal; Pratibha Singh; Vishal Verma; Pandey K N; Vijai Kumar ![](http://dload.gif)Click Here to Download Now! - File size: 172K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.2 **Abstract** This study describes processing and properties of nanocomposites of epoxy/ PVC with varying amounts of organo-modified clay. Organo-modified clay changes from hydrophilic to organophillic after reacting with organic-cationic surfactant. Small amounts of organoclay, added to polymer, impart many rheological characteristics and enhance physico-mechanical properties. Varying amounts of PVC added to epoxy indicated 5 phr PVC imparts best properties to epoxy. Various amounts of organo-modified clay, with loading varying from 1 to 9 phr, added to epoxy/PVC mixture, demonstrated that optimum to best mechanical properties are achieved with Epoxy/5 phr PVC/5 phr organomodified montmorillonite clay composites. 17 Refs. --- Source: https://polymerjournals.com/effect-of-water-absorption-on-interface-and-tensile-properties-of-banana-fibre-reinforced-functionalized-polypropylene-bf-cfpp-composites-developed-by-palsule-process/ # EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF BANANA FIBRE REINFORCED FUNCTIONALIZED POLYPROPYLENE (BF/CFPP) COMPOSITES DEVELOPED BY PALSULE PROCESS > Title: EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF BANANA FIBRE REINFORCED FUNCTIONALIZED POLYPROPYLENE (BF/CFPP) COMPOSITES DEVELOPED BY PALSULE PROCESS Page Range: p.103-112 Author(s): Priyanka; Sanjay Palsule File size: 141K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-water-absorption-on-interface-and-tensile-properties-of-banana-fibre-reinforced-functionalized-polypropylene-bf-cfpp-composites-developed-by-palsule-process/ Published: 2013-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF BANANA FIBRE REINFORCED FUNCTIONALIZED POLYPROPYLENE (BF/CFPP) COMPOSITES DEVELOPED BY PALSULE PROCESS** Page Range: p.103-112 Author(s): Priyanka; Sanjay Palsule File size: 141K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-2&JournalID=101937&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.2 **Abstract** Banana fibre (BF) reinforced chemically functionalised high density polypropylene (CFPP) composites (BF/CFPP) developed by Palsule process of using modified matrix, immersed in distilled water at room temperature for long duration, showed water absorption higher than that of the CFPP that increased with increasing fibre content in the composite compositions. Tensile modulus and tensile strength of the wet composite compositions was lower than that of the dry BF/CFPP composite compositions. Voids, capillary water transport and hydrogen bonds promote water absorption in BF/CFPP composites. 19 Refs. --- --- Source: https://polymerjournals.com/effect-of-water-absorption-on-interface-and-tensile-properties-of-jute-fiber-reinforced-modified-polyethylene-composites-developed-by-palsule-process/ # EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF JUTE FIBER REINFORCED MODIFIED POLYETHYLENE COMPOSITES DEVELOPED BY PALSULE PROCESS > Title: EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF JUTE FIBER REINFORCED MODIFIED POLYETHYLENE COMPOSITES DEVELOPED BY PALSULE PROCESS Page Range: p.113-124 Author(s): Anshu Anjali Singh; Sanjay Palsule Click Here to Download Now! - File size: 179K (subscribers only) Journal:... Canonical URL: https://polymerjournals.com/effect-of-water-absorption-on-interface-and-tensile-properties-of-jute-fiber-reinforced-modified-polyethylene-composites-developed-by-palsule-process/ Published: 2013-02-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: EFFECT OF WATER ABSORPTION ON INTERFACE AND TENSILE PROPERTIES OF JUTE FIBER REINFORCED MODIFIED POLYETHYLENE COMPOSITES DEVELOPED BY PALSULE PROCESS** ![](http://apc.jpg)Page Range: p.113-124 Author(s): Anshu Anjali Singh; Sanjay Palsule ![](http://dload.gif)Click Here to Download Now! - File size: 179K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.2 **Abstract** Jute fibre (JF) reinforced chemically functionalised high density polyethylene (CFHDPE) composites (JF/CF-HDPE) of various compositions (10%, 20% and 30% JF) developed by Palsule process of using modified matrix were immersed in distilled water at room temperature for 6600 hours to study the effect of long term water absorption. Water absorption, thickness swelling, of the composite compositions was higher than that of the CF-HDPE and increased with increasing fibre content in composite compositions. Tensile modulus and tensile strength of the wet composite compositions was lower than that of the dry JF/CF-HDPE composite compositions. Voids, capillary water transport and hydrogen bonds promote water absorption in JF/CF-HDPE composites. 15 Refs. --- Source: https://polymerjournals.com/effects-of-moulding-condition-and-curing-atmosphere-on-the-flexural-properties-of-vinyl-ester/ # EFFECTS OF MOULDING CONDITION AND CURING ATMOSPHERE ON THE FLEXURAL PROPERTIES OF VINYL ESTER > Title: EFFECTS OF MOULDING CONDITION AND CURING ATMOSPHERE ON THE FLEXURAL PROPERTIES OF VINYL ESTER Page Range: p.61-64 Author(s): Nouranian S; Lee J; Torres G W; Lacy T E; Toghiani H; Pittman Jr C U File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/effects-of-moulding-condition-and-curing-atmosphere-on-the-flexural-properties-of-vinyl-ester/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF MOULDING CONDITION AND CURING ATMOSPHERE ON THE FLEXURAL PROPERTIES OF VINYL ESTER** Page Range: p.61-64 Author(s): Nouranian S; Lee J; Torres G W; Lacy T E; Toghiani H; Pittman Jr C U File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101825&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** The effects of moulding condition and curing atmosphere on the flexural properties of a neat 33 wt.%-styrene epoxy vinyl ester (VE) were investigated. Specimens were prepared using either open or closed moulds, and thermally cured under either air or nitrogen atmosphere. Four-point bending tests were performed with both the top ('air-side') and the bottom ('mould-side') surfaces of the cured specimens in tension. The mean flexural moduli for nitrogen-cured and closed-mould specimens were 3% and 9% higher than for air-cured specimens, respectively. However, the mean flexural strength for open-mould air-cured specimens with their air-sides loaded in tension were 65% lower than the mean flexural strengths of open-mould nitrogen-cured or closed-mould specimens. This likely resulted from partial VE resin curing inhibition due to oxygen diffusion into the free surface region of the open-mould air-cured specimens. This creates gradients in the local stiffness and strength in the near-surface region due to lower crosslink density. This effect may be particularly important for thin specimens. These results underscore the significance of exposure to air during open-mould curing on the cured VE flexural properties. Such assessments are crucial for composite part manufacturing utilizing VEs. 26 Refs. --- --- Source: https://polymerjournals.com/thermal-tensile-and-dynamic-mechanical-properties-of-short-carbon-fibre-reinforced-polypropylene-composites/ # THERMAL, TENSILE AND DYNAMIC MECHANICAL PROPERTIES OF SHORT CARBON FIBRE REINFORCED POLYPROPYLENE COMPOSITES > Title: THERMAL, TENSILE AND DYNAMIC MECHANICAL PROPERTIES OF SHORT CARBON FIBRE REINFORCED POLYPROPYLENE COMPOSITES Page Range: p.65-72 Author(s): Chuanbao Wang; Sanjiu Ying File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/thermal-tensile-and-dynamic-mechanical-properties-of-short-carbon-fibre-reinforced-polypropylene-composites/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL, TENSILE AND DYNAMIC MECHANICAL PROPERTIES OF SHORT CARBON FIBRE REINFORCED POLYPROPYLENE COMPOSITES** Page Range: p.65-72 Author(s): Chuanbao Wang; Sanjiu Ying File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101826&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** Short carbon fibre (SCF) reinforced composites have made great progress in the last few decades due to their useful properties, and have been used in many areas. In this paper, carbon fibres were cut into short ones with the length from 40 (mu)m to 100 (mu)m and mixed with polypropylene (PP) fibres at the high speed of 105 rpm by HighSpeed Dispersator in reference to the way of papermaking. Three concentrations of SCF, 5, 15 and 25 w%, were used. Composites with good uniform dispersion of SCF in PP matrix were prepared via melting compounding in a twin-screw extruder followed by injection moulding. The effect of SCF content on the thermal and dynamic mechanical properties was studies by using differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA). The SCF dispersed uniformly and aligned along a direction in PP matrix according to the SEM photographs and the incorporation of SCF enhanced the nucleation process, which was confirmed by DSC results. The heat of fusion and crystallinity of the composites also decreased with increasing CFs concentration. In addition, the stiffness of SCF/PP composites increased as the content of SCF increased. Finally, DMA results showed that an increment of SCF could improve the damping properties. 31 Refs. --- --- Source: https://polymerjournals.com/nanoflake-patterning-of-self-assembled-multilayer-films/ # NANOFLAKE PATTERNING OF SELF-ASSEMBLED MULTILAYER FILMS > Title: NANOFLAKE PATTERNING OF SELF-ASSEMBLED MULTILAYER FILMS Page Range: p.73-78 Author(s): Qunwei Tang; Benlin He; Lei Chu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 Abstract... Canonical URL: https://polymerjournals.com/nanoflake-patterning-of-self-assembled-multilayer-films/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NANOFLAKE PATTERNING OF SELF-ASSEMBLED MULTILAYER FILMS** Page Range: p.73-78 Author(s): Qunwei Tang; Benlin He; Lei Chu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101827&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** Nanopatterning has attracted much attention because of its growing use in designing nanoelectronic and optoelectronic devices. Development of a facile route to nanopatterning is a persistent goal in nanotechnology. Originating from positively charged polyethyleneimine (PEI) and negatively charged poly(4-styrenesulfonate) (PSS), we successfully designed separable nanoflake patterning using layer-by-layer self-assembly technique by sequential adsorption of PEI and PSS. The morphology and size of the nanopatterning can be controlled by adjusting the number of bilayers in the film. Electrochemical measurements reveal that the (PEI/PSS)n nanoflakes have good electroactivity and permeability for the electrolytes undergoing redox reaction. By controlling the distribution of surface charges on substrates, nanopatterning can be facilely achieved by self-assembly method. 10 Refs. --- --- Source: https://polymerjournals.com/evaluation-of-biological-properties-in-vivo-of-polyl-lactide-coglycolide-composites-containing-bioactive-glass/ # EVALUATION OF BIOLOGICAL PROPERTIES IN-VIVO OF POLY(L-LACTIDE-COGLYCOLIDE) COMPOSITES CONTAINING BIOACTIVE GLASS > Title: EVALUATION OF BIOLOGICAL PROPERTIES IN-VIVO OF POLY(L-LACTIDE-COGLYCOLIDE) COMPOSITES CONTAINING BIOACTIVE GLASS Page Range: p.79-84 Author(s): Zhihua Zhou; Lihua Liu; Qingquan Liu; Tianlong Huang; Wennan Zeng; Qingfeng Yi; Zhongmin Yang; Dafu Cao File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/evaluation-of-biological-properties-in-vivo-of-polyl-lactide-coglycolide-composites-containing-bioactive-glass/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF BIOLOGICAL PROPERTIES IN-VIVO OF POLY(L-LACTIDE-COGLYCOLIDE) COMPOSITES CONTAINING BIOACTIVE GLASS** Page Range: p.79-84 Author(s): Zhihua Zhou; Lihua Liu; Qingquan Liu; Tianlong Huang; Wennan Zeng; Qingfeng Yi; Zhongmin Yang; Dafu Cao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101828&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** To evaluate the biological safety of composite materials based on poly(L-lactide-co-glycolide) (PLGA) and bioactive glass (BG), which have a potential application in tissue engineering, the in-vivo biological properties were investigated by applying the micronucleus test, acute systemic toxicity test, haemolytic test and pyrogen measurement. The results indicated that the PLGA/BG composite showed no genetic toxicity; there was no toxicosis or death observed in the acute systemic toxicity test. The haemolytic test suggested that the PLGA/BG composite, with a haemolytic index of 0.281%, did not have an obvious haemolytic reaction. In addition, the PLGA/BG composite materials showed no pyrogen reaction. Therefore, PLGA/BG composite materials could be promising candidate biomedical materials for bone tissue engineering. 20 Refs. --- --- Source: https://polymerjournals.com/preparation-of-a-recombinant-spider-silk-protein-pcl-blend-submicrofibrous-mat-and-its-cytocompatibility/ # PREPARATION OF A RECOMBINANT SPIDER SILK PROTEIN/PCL BLEND SUBMICROFIBROUS MAT AND ITS CYTOCOMPATIBILITY > Title: PREPARATION OF A RECOMBINANT SPIDER SILK PROTEIN/PCL BLEND SUBMICROFIBROUS MAT AND ITS CYTOCOMPATIBILITY Page Range: p.85-92 Author(s): Liang Zhao; Denglong Chen; Meihong Wei; Qinghua Yao; Min Li File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/preparation-of-a-recombinant-spider-silk-protein-pcl-blend-submicrofibrous-mat-and-its-cytocompatibility/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF A RECOMBINANT SPIDER SILK PROTEIN/PCL BLEND SUBMICROFIBROUS MAT AND ITS CYTOCOMPATIBILITY** Page Range: p.85-92 Author(s): Liang Zhao; Denglong Chen; Meihong Wei; Qinghua Yao; Min Li File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101829&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** With electrospinning technology, recombinant spider silk protein/PCL blend submicrofibrous mat was prepared. Its properties as a potential wound dressing material were evaluated by Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR). When the proportion of recombinant spider silk protein/ polycaprolactone (PCL) reached 1:20, the appropriate concentration of spinning solution was 30%. Also, the fibre diameter increased as the nozzle-to-ground distance decreased, or as the extrusion speed increased. The fibres tended to be non-uniform. As shown by FTIR, PCL and recombinant spider silk protein blended together without obvious molecular interaction. MTT assay analysis showed that, compared with PCL scaffold, the toxic level of pNSR16/PCL composite scaffold was below 1, which meets the criteria for biomaterials. NIH-3T3 cells cultivation on the composite scaffolds indicated that pNSR16/PCL composite scaffolds with RGD had better cell adhesion than PCL scaffolds. Immunohistochemical experiments proved that cells on the pNSR16/PCL composite scaffold materials had no effect on normal growth. pNSR16/PCL composite scaffold guaranteed good crawling capacity of cells. 22 Refs. --- --- Source: https://polymerjournals.com/effect-of-graphite-and-carbon-black-fillers-on-the-processability-electrical-conductivity-and-mechanical-properties-of-polypropylene-based-bipolar-plates/ # EFFECT OF GRAPHITE AND CARBON BLACK FILLERS ON THE PROCESSABILITY, ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF POLYPROPYLENE BASED BIPOLAR PLATES > Title: EFFECT OF GRAPHITE AND CARBON BLACK FILLERS ON THE PROCESSABILITY, ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF POLYPROPYLENE BASED BIPOLAR PLATES Page Range: p.93-100 Author(s): Anett Kiraly; Ferenc Ronkay File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/effect-of-graphite-and-carbon-black-fillers-on-the-processability-electrical-conductivity-and-mechanical-properties-of-polypropylene-based-bipolar-plates/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF GRAPHITE AND CARBON BLACK FILLERS ON THE PROCESSABILITY, ELECTRICAL CONDUCTIVITY AND MECHANICAL PROPERTIES OF POLYPROPYLENE BASED BIPOLAR PLATES** Page Range: p.93-100 Author(s): Anett Kiraly; Ferenc Ronkay File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101830&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** This study investigates the hybrid effect between graphite and carbon black in a polypropylene (PP) matrix, based on optical microscopy. PP sheets filled with various types of carbon black and graphite were prepared, and the effects of fillers on the flowability, electrical conductivity and mechanical properties were investigated. The effects of three kinds of carbon black with different specific surface areas (65, 770, 1400 m2/g) on the increase of conductivity in the polypropylene (PP) matrix were compared. The best performance was observed when the carbon black with the highest specific surface was used; therefore it was used for preparing the hybrid-filled (graphite - carbon black) materials by melt blending. Optical microscopic studies proved that the carbon black exerted not only a direct but also an indirect influence on the conductivity and on the mechanical properties of the hybrid composites, as it influenced the distribution of graphite significantly. At lower graphite contents the material became more flexible because of the better dispersion of graphite, but at higher carbon black contents the stiffness increased significantly. 23 Refs. --- --- Source: https://polymerjournals.com/rheological-behaviour-of-styrene-free-unsaturated-polyester-clay-nanocomposites/ # RHEOLOGICAL BEHAVIOUR OF STYRENE-FREE UNSATURATED POLYESTER-CLAY NANOCOMPOSITES > Title: RHEOLOGICAL BEHAVIOUR OF STYRENE-FREE UNSATURATED POLYESTER-CLAY NANOCOMPOSITES Page Range: p.101-110 Author(s): Amir Masoud Rezadoust; Masoud Esfandeh; Mohammad Hosain Beheshty File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue... Canonical URL: https://polymerjournals.com/rheological-behaviour-of-styrene-free-unsaturated-polyester-clay-nanocomposites/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGICAL BEHAVIOUR OF STYRENE-FREE UNSATURATED POLYESTER-CLAY NANOCOMPOSITES** Page Range: p.101-110 Author(s): Amir Masoud Rezadoust; Masoud Esfandeh; Mohammad Hosain Beheshty File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101831&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** The rheological behaviour of styrene-free unsaturated polyester resin-organoclay (Cloisite 15A) nanocomposites at various clay contents, prepared by melt mixing, was investigated. Styrene-free resin was used to achieve high-shear mixing and to avoid viscosity changes due to solvent evaporation. In order to compare the effects of shear- and diffusion-induced phenomena on the intercalation of nanoclay; samples were prepared at two different temperatures of 40 degrees C (cold-mixed) and 150 degrees C (hot-mixed) and tested in the range of 40-120 degrees C using dynamic rheometry. Complex viscosity-temperature curves for cold-mixed samples showed a decrease in viscosity with increasing temperature followed by the formation of a plateau at a particular temperature, depending on the clay content. This behaviour is characteristic of systems with a network structure. The results of small angle X-ray diffraction and TEM analysis confirmed the intercalation of the nanoclay particles as well as a reduction in their thickness. TEM images revealed that the size reduction happened through bending fracture followed by shear delamination of the fractured clay layers. On this basis, a structure of the physical network was proposed to be formed by sticking several nanoclay stacks inside a polymer chain and more involvement of polymer chains with the delaminated layers' ends. A dispersion model was used to quantify and interpret the dispersion status of nanoclay particles in the resin system. 27 Refs. --- --- Source: https://polymerjournals.com/phase-transfer-catalyzed-polymerization-of-styrene-and-graft-copolymerization-of-styrene-onto-gelatin/ # PHASE TRANSFER CATALYZED POLYMERIZATION OF STYRENE AND GRAFT COPOLYMERIZATION OF STYRENE ONTO GELATIN > Title: PHASE TRANSFER CATALYZED POLYMERIZATION OF STYRENE AND GRAFT COPOLYMERIZATION OF STYRENE ONTO GELATIN Page Range: p.111-122 Author(s): Inderjeet Kaur A; Deepika Khanna N File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/phase-transfer-catalyzed-polymerization-of-styrene-and-graft-copolymerization-of-styrene-onto-gelatin/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHASE TRANSFER CATALYZED POLYMERIZATION OF STYRENE AND GRAFT COPOLYMERIZATION OF STYRENE ONTO GELATIN** Page Range: p.111-122 Author(s): Inderjeet Kaur A; Deepika Khanna N File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101832&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** The use of tetrabutylammonium bromide (TBAB), as phase transfer catalyst during polymerisation of styrene in the presence of water-soluble radical initiator, potassium persulphate (KPS), and graft copolymerisation of styrene onto gelatin, a water soluble polymer, using a water-insoluble radical initiator, benzoyl peroxide (BPO), has been explored in a water-benzene biphasic system. The percentage conversion (Pc) of styrene to polystyrene and percent grafting (Pg) of styrene onto gelatin was studied as a function of various reaction parameters. Under optimum reaction conditions, maximum Pc (76%) was obtained at [KPS] = 12.9 x 10^-4 moles/L, [Sty] = 4.3 x 10^-3 moles/L, and maximum Pg (87%) was obtained at [BPO] = 4.6 x 10^-4 moles/L, [Sty] = 13.88 x 10^-3 moles/L using [PTC] = 2.89 x 10^-4 moles/L in 10 mL each of water and benzene in 120 min at 60 degrees C. The graft copolymer, Gelgpoly(Sty), was characterized by IR, Thermogravimetric Analysis, Scanning Electron Microscopy and swelling behaviour in different solvents. Metal uptake and degradation studies of the grafted sample were also carried out. The grafted sample showed maximum uptake for Cu2+ (88%), Ni2+ (80%) and Fe2+ (50%). Degradation studies of Gel-g-poly(Sty) were carried out by soil burial test and UV radiations. Photo-degradation showed better degradation (5.26% wt. loss) in 32 h of exposure to UV radiations as compared to soil burial degradation (8.46% wt. loss) in 30 days. Gelatin-styrene graft copolymers can thus be used as bio- and photo-degradable materials for environmental management. 18 Refs. --- --- Source: https://polymerjournals.com/study-on-chlorination-of-maleic-anhydride-grafted-polypropylene/ # STUDY ON CHLORINATION OF MALEIC ANHYDRIDE GRAFTED POLYPROPYLENE > Title: STUDY ON CHLORINATION OF MALEIC ANHYDRIDE GRAFTED POLYPROPYLENE Page Range: p.123-128 Author(s): Heqing Fu; Caibin Yan; Xiaoli Wei; Wei Deng; Lina Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/study-on-chlorination-of-maleic-anhydride-grafted-polypropylene/ Published: 2013-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON CHLORINATION OF MALEIC ANHYDRIDE GRAFTED POLYPROPYLENE** Page Range: p.123-128 Author(s): Heqing Fu; Caibin Yan; Xiaoli Wei; Wei Deng; Lina Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-2&JournalID=101833&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.2 **Abstract** The non-polarity of polypropylene has restricted its use; therefore it needs to be modified. Maleic anhydride grafted polypropylene(PP-g-MAH) is such a kind of modified polypropylene; however its polarity is still low. In order to improve its polarity, chlorinated maleic anhydride-grafted polypropylene (Cl-PP-g-MAH) prepared by free radical polymerisation was carried out using PP-g-MAH as reaction material, carbon tetrachloride (CCl4) as solvent and benzoyl peroxide (BPO) as initiator. The products were characterized by Fourier Transform Infrared Spectroscopy (FTIR) and Nuclear Magnetic Resonance Spectroscopy (NMR). The effects of the reaction temperature, reaction time, flow rate of chlorine and concentrations of PP-g-MAH and BPO initiator on the degree of chlorination were studied. The optimum technological conditions were obtained, and the surface tension, light transmission, particle size and tensile strength of chlorinated maleic anhydride grafted polypropylene were better than those of maleic anhydride grafted polypropylene. After modification by maleic anhydride and chlorine, PP could meet commercial needs in the fibre composites, adhesives, printing inks, coatings and plastics industries. 18 Refs. --- --- Source: https://polymerjournals.com/degradation-behaviour-of-natural-rubber-layered-silicate-nanocomposites/ # DEGRADATION BEHAVIOUR OF NATURAL RUBBER LAYERED SILICATE NANOCOMPOSITES > Title: DEGRADATION BEHAVIOUR OF NATURAL RUBBER LAYERED SILICATE NANOCOMPOSITES Page Range: p.1-20 Author(s): Shera Mathew; Siby Varghese; Rani Joseph File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume:... Canonical URL: https://polymerjournals.com/degradation-behaviour-of-natural-rubber-layered-silicate-nanocomposites/ Published: 2013-01-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: DEGRADATION BEHAVIOUR OF NATURAL RUBBER LAYERED SILICATE NANOCOMPOSITES** Page Range: p.1-20 Author(s): Shera Mathew; Siby Varghese; Rani Joseph File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101834&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.1 **Abstract** The degradation behaviour of natural rubber latex nanocomposites employing various degrading agents viz. thermal, gamma and UV radiations, chlorination, sterilisation, ozone and solvents, was studied in detail. It was found that the layered silicate nanocomposite performed well in the presence of most of the degrading agents and such materials are suitable for processes such as chlorination, sterilisation etc. It was observed that the degrading action was arrested either due to the hindrance exerted by the clay layers against crack propagation or due to the barrier effect against the degrading agents. A better interaction of nanosilicates was found with a polymer matrix due to their higher surface area, making the matrix stiffer and the diffusion of heat and gases through the bulk more difficult hence, retarding the degradation of the composite. These points were illustrated using XRD, TEM, SEM and TGA studies. Kraus plot showed a strong filler-rubber interface in rubber nanocomposites. Schematic representation of the degradation of the nanocomposite demonstrated the effect of nanofillers in chain scission or crosslinking, which may occur during degradation. 28 Refs. --- --- Source: https://polymerjournals.com/inventory-analysis-on-the-effect-of-end-of-life-passenger-vehicle-plastic-bumper-recycling-in-china/ # INVENTORY ANALYSIS ON THE EFFECT OF END-OF-LIFE PASSENGER VEHICLE PLASTIC BUMPER RECYCLING IN CHINA > Title: INVENTORY ANALYSIS ON THE EFFECT OF END-OF-LIFE PASSENGER VEHICLE PLASTIC BUMPER RECYCLING IN CHINA Page Range: p.21-38 Author(s): Zhang Hongshen; Chen Ming File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology... Canonical URL: https://polymerjournals.com/inventory-analysis-on-the-effect-of-end-of-life-passenger-vehicle-plastic-bumper-recycling-in-china/ Published: 2013-01-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: INVENTORY ANALYSIS ON THE EFFECT OF END-OF-LIFE PASSENGER VEHICLE PLASTIC BUMPER RECYCLING IN CHINA** Page Range: p.21-38 Author(s): Zhang Hongshen; Chen Ming File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101835&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.1 **Abstract** Pollution caused by the automotive industry has become a global threat to the environment and human existence, drawing great attention from an increasing number of countries. In this paper, the material depletion, energy consumption, and environmental emissions of each bumper life cycle unit were analysed using the inventory analysis method to determine the effect of passenger vehicle plastic bumper recycling on the eco-environment of China. The analysis provides a relevant reference for the recycling of other automobile materials and establishes a good foundation for car-related environmental policies and the sustainable development of the Chinese automobile industry. 32 Refs. --- --- Source: https://polymerjournals.com/thermogravimetric-and-morphologic-analysis-of-oxo-degradable-polyethylene-films-after-accelerated-weathering/ # THERMOGRAVIMETRIC AND MORPHOLOGIC ANALYSIS OF OXO-DEGRADABLE POLYETHYLENE FILMS AFTER ACCELERATED WEATHERING > Title: THERMOGRAVIMETRIC AND MORPHOLOGIC ANALYSIS OF OXO-DEGRADABLE POLYETHYLENE FILMS AFTER ACCELERATED WEATHERING Page Range: p.39-54 Author(s): Jalma Maria Klein; Gustavo Roberto Ramos; Ana Maria Coulon Grisa; Nichele Brandalise R; Mara Zeni File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/thermogravimetric-and-morphologic-analysis-of-oxo-degradable-polyethylene-films-after-accelerated-weathering/ Published: 2013-01-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: THERMOGRAVIMETRIC AND MORPHOLOGIC ANALYSIS OF OXO-DEGRADABLE POLYETHYLENE FILMS AFTER ACCELERATED WEATHERING** Page Range: p.39-54 Author(s): Jalma Maria Klein; Gustavo Roberto Ramos; Ana Maria Coulon Grisa; Nichele Brandalise R; Mara Zeni File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101836&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.1 **Abstract** The degradation of polyethylene films containing a prodegradant additive has been studied after exposure to accelerated weathering for 480 hours. After exposure, the effects of photo-oxidation were evaluated by thermogravimetry, infrared spectroscopy and X-ray diffraction. The kinetics of the thermo-oxidative degradation of polyethylene films, with and without the prodegradant additive, was assessed by applying the Flynn-Wall-Ozawa method to thermogravimetric analysis carried out at different heating rates. The values of activation energy for samples with and without the prodegradant additive were in the range of 166-214 kJ/mol, and increased, after exposure to accelerated weathering, to values in the range of 245-279 kJ/mol. After exposure, the crystallinity index increased by 9 percentage points for the polyethylene sample without the prodegradant additive and by 8 percentage points for the sample containing the prodegradant additive. For both samples exposed to accelerated weathering, an increase in the carbonyl index was observed. The use of the prodegradant additive caused more evident changes in the crystalline regions of the polymer than in the amorphous regions; the results of this study are thus important from the standpoint of degradation, since the crystalline regions are considered difficult to degrade. 27 Refs. --- --- Source: https://polymerjournals.com/analysis-of-the-water-assisted-injection-technique-by-using-ultrasonic/ # ANALYSIS OF THE WATER ASSISTED INJECTION TECHNIQUE BY USING ULTRASONIC > Title: ANALYSIS OF THE WATER ASSISTED INJECTION TECHNIQUE BY USING ULTRASONIC Page Range: p.55-68 Author(s): Becker S; Hopmann Ch File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume:... Canonical URL: https://polymerjournals.com/analysis-of-the-water-assisted-injection-technique-by-using-ultrasonic/ Published: 2013-01-01T00:00:00+00:00 Categories: Progress in Rubber, Plastics and Recycling Technology **Title: ANALYSIS OF THE WATER ASSISTED INJECTION TECHNIQUE BY USING ULTRASONIC** Page Range: p.55-68 Author(s): Becker S; Hopmann Ch File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=prprt&JournalIssue=prprt29-1&JournalID=101837&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Progress in Rubber, Plastics and Recycling Technology Issue Year: prprt Volume: 29 Issue No: No.1 **Abstract** Water-assisted injection technique (WAIT) is well established for the production of plastics parts with functional hollow sections. This technique is widely used to manufacture handholds and pipes for transportation of fluids in particular. The process sequence of WAIT is characterised by the injection of water into the mould part after the filling stage. Thus, the still liquid melt is displaced and a cavity is formed in the interior of the part. Since WAIT is primarily used for the production of technical parts, a comprehensive quality control and process monitoring is essential [2, 3]. The moulding process is much more complex compared to the injection moulding of compact parts. Furthermore, internal properties (e.g. the residual wall thickness, eccentricity) or internal part defects (e.g. water inclusions) play a decisive role in the compliance with quality requirements. A promising approach in this context is the utilisation of the ultrasonic measurement technology for the analysis of the hollow space formation and for the identification of internal part properties. 5 Refs. --- --- Source: https://polymerjournals.com/palsule-equation-for-tensile-modulus-of-short-fibre-reinforced-polymer-composites-and-its-validation/ # PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES AND ITS VALIDATION > Title: PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES AND ITS VALIDATION Page Range: p.1-8 Author(s): Sanjay Palsule Click Here to Download Now! - File size: 139K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue... Canonical URL: https://polymerjournals.com/palsule-equation-for-tensile-modulus-of-short-fibre-reinforced-polymer-composites-and-its-validation/ Published: 2013-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: PALSULE EQUATION FOR TENSILE MODULUS OF SHORT FIBRE REINFORCED POLYMER COMPOSITES AND ITS VALIDATION** ![](http://apc.jpg)Page Range: p.1-8 Author(s): Sanjay Palsule ![](http://dload.gif)[Click Here to Download Now!](https://polymerjournals.com/pdfdownload/1135234.pdf) - File size: 139K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.1 **Abstract** Palsule equation for tensile Modulus of short fibre reinforced polymer composites has been derived as the first equation that accounts for the aspect ratio of reinforcer as follows: Ec=1/8(EmVm+EfVf)+1/4 [(Ef+lambdaEm)+lambdaVf(Ef-EEm) divided by (Ef+lambdaEm)-psiVf(Ef-Em)]Em. Palsule equation has been validated by a comparison of the modulus of several short fibre reinforced polymer composites predicted by Palsule equation with their literature reported experimentally measured modulus values indicating that values predicted by Palsule equation are comparable with literature reported experimentally measured tensile modulus. 14 Refs. --- Source: https://polymerjournals.com/studies-of-thermoplastic-polyurethane-adhesives-with-carbon-nanotubes-obtained-by-two-different-routes-and-their-interaction-mechanisms/ # STUDIES OF THERMOPLASTIC POLYURETHANE ADHESIVES WITH CARBON NANOTUBES OBTAINED BY TWO DIFFERENT ROUTES AND THEIR INTERACTION MECHANISMS > Title: STUDIES OF THERMOPLASTIC POLYURETHANE ADHESIVES WITH CARBON NANOTUBES OBTAINED BY TWO DIFFERENT ROUTES AND THEIR INTERACTION MECHANISMS Page Range: p.9-26 Author(s): Orgiles-Calpena E; Aran-Ais F; Torro-Palau A M; Orgiles-Barcelo C File size: 255K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/studies-of-thermoplastic-polyurethane-adhesives-with-carbon-nanotubes-obtained-by-two-different-routes-and-their-interaction-mechanisms/ Published: 2013-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: STUDIES OF THERMOPLASTIC POLYURETHANE ADHESIVES WITH CARBON NANOTUBES OBTAINED BY TWO DIFFERENT ROUTES AND THEIR INTERACTION MECHANISMS** Page Range: p.9-26 Author(s): Orgiles-Calpena E; Aran-Ais F; Torro-Palau A M; Orgiles-Barcelo C File size: 255K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=apc&JournalIssue=apc1-1&JournalID=101930&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.1 **Abstract** Carbon nanotubes (CNTs) combine excellent mechanical properties, high electrical and thermal conductivity, etc., and therefore have created a great interest in materials science and many industrial applications. The incorporation of carbon nanotubes to adhesives offers promising scientific potential to develop nanocomposites with improved properties and new functionalities. However, the addition of these nanofillers is challenging because of their tendency to the form aggregates and sedimentation. Consequently, it is necessary to insert functional groups on the surface of the nanotubes to promote and optimise their interaction with the polymer matrix. In this work, carbon nanotubes have been functionalised by an acid treatment and subsequently incorporated in a thermoplastic polyurethane adhesive (TPU) by two different methods: i) during polyurethane synthesis by in situ polymerisation; ii) external incorporation by dispersing nanotubes within the adhesive. The influence on the rheological, thermal and adhesive properties has been reported, and the analysis of the complex interactions of carbon nanotube-polyurethane has been discussed. 18 Refs. --- --- Source: https://polymerjournals.com/nanocomposites-with-increased-content-of-beta-phase-based-on-polyvinylidene-fluoride-co-hexafluoropropylene-and-organically-modified-nanoclay/ # NANOCOMPOSITES WITH INCREASED CONTENT OF BETA- PHASE BASED ON POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) AND ORGANICALLY MODIFIED NANOCLAY > Title: NANOCOMPOSITES WITH INCREASED CONTENT OF BETA- PHASE BASED ON POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) AND ORGANICALLY MODIFIED NANOCLAY Page Range: p.27-46 Author(s): Atanas Atanassov; Lyudmila Borisova; Dimitrina Kiryakova; Kostov G Click Here to Download Now! - File size: 216K (subscribers only) Journal: Applied Polymer... Canonical URL: https://polymerjournals.com/nanocomposites-with-increased-content-of-beta-phase-based-on-polyvinylidene-fluoride-co-hexafluoropropylene-and-organically-modified-nanoclay/ Published: 2013-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: NANOCOMPOSITES WITH INCREASED CONTENT OF BETA- PHASE BASED ON POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) AND ORGANICALLY MODIFIED NANOCLAY** ![](http://apc.jpg)Page Range: p.27-46 Author(s): Atanas Atanassov; Lyudmila Borisova; Dimitrina Kiryakova; Kostov G ![](http://dload.gif)Click Here to Download Now! - File size: 216K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.1 **Abstract** Polymer nanocomposites of Poly(vinylidene fluoride-co-hexafluoropropylene) with 15 mol% content of hexafluoropropylene containing up to 6.0 mass% organically modified montmorillonite nanoclay Cloisiteii15 A were prepared by melt-mixing at 200 degrees C. The initial copolymer was found to contain mainly the nonpolar m- phase. With the addition of Cloisite--15 A, the X-ray diffraction patterns showed basic peak at 2sshigher than 20 degrees together with smaller one at 222= 18 - 19 degrees which proved the formation of -- phase. At Cloisite--15 A content in the nanocomposites higher than 3.0 mass%, the X-ray patterns changed to singlepeak shape. The FT-IR analysis showed that the increase of nanoclay content results in increased d- phase content from 30% in the initial poly(vinylidene fluoride-co-hexafluoropropylene) to 86% in the materials containing 3.0 mass% CloisiteCC15 A. It was found that the temperatures of beginning, end and maximum of melting, as well as the crystallisation temperature, were higher than those of the initial copolymer. The tensile strength, elongation at break and energy of destruction of the composite materials containing Cloisiteaa15 A showed maximum at 0.5 - 0.75 mass% degree of filling and their values were 36.3 MPa, 1240 % and 18 J, respectively. 49 Refs. --- Source: https://polymerjournals.com/dielectric-properties-of-polymethylmethacrylate-barium-titanate-pmma-batio3-nanocomposites/ # DIELECTRIC PROPERTIES OF POLYMETHYLMETHACRYLATE/BARIUM TITANATE (PMMA/BATIO3) NANOCOMPOSITES > Title: DIELECTRIC PROPERTIES OF POLYMETHYLMETHACRYLATE/BARIUM TITANATE (PMMA/BATIO3) NANOCOMPOSITES Page Range: p.47-56 Author(s): Gupta S K; Pandey K N; Vishal Verma; Smita Mathur; Vijai Kumar Click Here to Download Now! - File size: 203K (subscribers only) Journal: Applied Polymer Composites Issue Year: apc... Canonical URL: https://polymerjournals.com/dielectric-properties-of-polymethylmethacrylate-barium-titanate-pmma-batio3-nanocomposites/ Published: 2013-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: DIELECTRIC PROPERTIES OF POLYMETHYLMETHACRYLATE/BARIUM TITANATE (PMMA/BATIO3) NANOCOMPOSITES** ![](http://apc.jpg)Page Range: p.47-56 Author(s): Gupta S K; Pandey K N; Vishal Verma; Smita Mathur; Vijai Kumar ![](http://dload.gif)Click Here to Download Now! - File size: 203K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.1 **Abstract** Ceramics/polymer nanocomposites have a lower cost, excellent dielectric properties, good material strength and improved electrical and piezoelectric properties. Polymethylmethacrylate (PMMA) shows a rather low dielectric constant between 3 to 8 depending on its molecular weight and testing frequency. Barium titanate, (BaTiO3) has a very high dielectric constant of the order of ten thousand, because of which it has been extensively used for fabrication of multilayer capacitors. The dielectric and piezoelectric properties of the PMMA/ BaTiO3 nanocomposites films have been measured as a function of frequency and temperature. The piezoelectric responses have been evaluated with varying ceramic volume percentage. Morphological behaviour of nanocomposites have been performed with the aid of scanning electron microscopy (SEM). 18 Refs. --- Source: https://polymerjournals.com/natural-hardwood-fiber-reinforced-chemically-functionlized-polyethylene-composites-with-in-situ-fiber-matrix-interfacial-adhesion/ # NATURAL HARDWOOD FIBER REINFORCED CHEMICALLY FUNCTIONLIZED POLYETHYLENE COMPOSITES WITH IN-SITU FIBER/MATRIX INTERFACIAL ADHESION > Title: NATURAL HARDWOOD FIBER REINFORCED CHEMICALLY FUNCTIONLIZED POLYETHYLENE COMPOSITES WITH IN-SITU FIBER/MATRIX INTERFACIAL ADHESION Page Range: p.57-74 Author(s): Sanjay Palsule; Ogunsile B O; Priyanka; Anshu Anjali Singh Click Here to Download Now! - File size: 253K (subscribers only) Journal: Applied Polymer Composites... Canonical URL: https://polymerjournals.com/natural-hardwood-fiber-reinforced-chemically-functionlized-polyethylene-composites-with-in-situ-fiber-matrix-interfacial-adhesion/ Published: 2013-01-01T00:00:00+00:00 Categories: Applied Polymer Composites **Title: NATURAL HARDWOOD FIBER REINFORCED CHEMICALLY FUNCTIONLIZED POLYETHYLENE COMPOSITES WITH IN-SITU FIBER/MATRIX INTERFACIAL ADHESION** ![](http://apc.jpg)Page Range: p.57-74 Author(s): Sanjay Palsule; Ogunsile B O; Priyanka; Anshu Anjali Singh ![](http://dload.gif)Click Here to Download Now! - File size: 253K (subscribers only)![](http://pdf.gif) Journal: Applied Polymer Composites Issue Year: apc Volume: 1 Issue No: No.1 **Abstract** Hardwood fibre (HWF) reinforced anhydride and acid functionalised maleic anhydride grafted high density polyethylene (CF-HDPE) composites have been processed by in-situ fibre / matrix interactions, without any use of compatibiliser and without any fibre treatment. The formation of composites is established by the increase in tensile modulus and tensile strength and the decrease in elongation at break with increasing amounts of the reinforcing HWF in HWF/ CF-HDPE composite compositions. The in-situ fibre/matrix interfacial adhesion in these composites has been established by scanning electron microscopy, and also by FTIR Spectroscopy. The measured tensile modulus of the composite with low volume fraction of hardwood fibre as reinforcer compares well with modulus predicted by Inverse rule of mixtures, Hirsch model, Halpin-Tsai equations, Nielsen model and Palsule equation. 31 Refs. --- Source: https://polymerjournals.com/the-effects-of-gamma-irradiation-on-medical-grade-polymethyl-methacrylate/ # THE EFFECTS OF GAMMA IRRADIATION ON MEDICAL GRADE POLY(METHYL METHACRYLATE) > Title: THE EFFECTS OF GAMMA IRRADIATION ON MEDICAL GRADE POLY(METHYL METHACRYLATE) Page Range: p.1-8 Author(s): Barton S J; Foot P J S; Miller Tate P C; Mariko Kishi; Baljit Ghatora File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/the-effects-of-gamma-irradiation-on-medical-grade-polymethyl-methacrylate/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECTS OF GAMMA IRRADIATION ON MEDICAL GRADE POLY(METHYL METHACRYLATE)** Page Range: p.1-8 Author(s): Barton S J; Foot P J S; Miller Tate P C; Mariko Kishi; Baljit Ghatora File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101817&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** Within developing countries the most cost-effective polymer used in the fabrication of rigid intraocular lenses (IOLs) is poly(methyl methacrylate) (PMMA), for which gamma irradiation is increasingly being used as the preferred method of sterilisation. Medical grade PMMA samples sterilised using a dose of 29kGy of gamma irradiation, were immersed in a simulated aqueous humour solution (SAHS) (pH 7.4, 35 degrees C), and periodically removed to assess changes in their thermal and structural properties with respect to control samples. Triple detection gel permeation chromatography indicated that substantial chain scission had occurred during gamma irradiation, an adverse effect that also resulted in a small increase in the rate of diffusion of the SAHS into the PMMA. The diffusion coefficient of SAHS into the gamma-sterilised PMMA was 2.7 plus/minus 0.6 x 10^-12 m2 s-1, and that for the control samples was 2.0 plus/minus 0.5 x 10^-12 m2 s-1. Thermomechanical analysis revealed a decreasing Tg with time for samples incubated in SAHS, showing that the solution caused plasticisation irrespective of irradiation; however, the i-sterilised PMMA had a Tg 7 degrees C lower than the control PMMA, which indicates the effect of the e-irradiation on the rigidity of the polymer. 27 Refs. --- --- Source: https://polymerjournals.com/effect-of-alkali-treatment-on-physical-properties-of-bio-based-composites/ # EFFECT OF ALKALI TREATMENT ON PHYSICAL PROPERTIES OF BIO-BASED COMPOSITES > Title: EFFECT OF ALKALI TREATMENT ON PHYSICAL PROPERTIES OF BIO-BASED COMPOSITES Page Range: p.9-20 Author(s): Williams T; Hosur M; Vaidya U; Jeelani S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/effect-of-alkali-treatment-on-physical-properties-of-bio-based-composites/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF ALKALI TREATMENT ON PHYSICAL PROPERTIES OF BIO-BASED COMPOSITES** Page Range: p.9-20 Author(s): Williams T; Hosur M; Vaidya U; Jeelani S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101818&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** In the present study, bast kenaf natural fibres were alkali-treated to determine the effect of treatment on the physical properties of natural fibre-reinforced biocomposites. Both unsaturated polyesters and bio-polyester resins were used as matrices. Other resin systems were studied as well, including a resin made with low VOC, fatty acid-derived reactive diluents. After all the biocomposites had been fabricated via compression moulding, it was observed that the incorporation of alkali-treated fibres in the biocomposites decreased the flexural and thermo-mechanical properties of the biocomposites. It was also observed that mercerizing the kenaf aided in reducing the moisture absorption by 30% and increasing the compressive strength by ~30% compared to that of the untreated biocomposites. The property changes were believed to be the result of crystallinity changes in the kenaf as a result of the treatment. 36 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-adsorption-of-organo-montmorillonite-polyacrylic-acid-superabsorbent-composite/ # SYNTHESIS AND ADSORPTION OF ORGANO-MONTMORILLONITE/POLY(ACRYLIC ACID) SUPERABSORBENT COMPOSITE > Title: SYNTHESIS AND ADSORPTION OF ORGANO-MONTMORILLONITE/POLY(ACRYLIC ACID) SUPERABSORBENT COMPOSITE Page Range: p.21-26 Author(s): Linhui Zhu; Lili Zhang; Yaoji Tang; Jing Yang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21... Canonical URL: https://polymerjournals.com/synthesis-and-adsorption-of-organo-montmorillonite-polyacrylic-acid-superabsorbent-composite/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND ADSORPTION OF ORGANO-MONTMORILLONITE/POLY(ACRYLIC ACID) SUPERABSORBENT COMPOSITE** Page Range: p.21-26 Author(s): Linhui Zhu; Lili Zhang; Yaoji Tang; Jing Yang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101819&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** Organo-montmorillonite /poly (acrylic acid) superabsorbent composite was prepared by intercalation polymerisation of acrylic acid (AA) and organo-montmorillonite (OMMT). The composite was characterized by means of Fourier-transform spectroscopy (FTIR), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). Maximum absorbency of OMMT/PAA in distilled water and 0.9% NaCl was 1439 and 97 g/g, respectively. Water retention of the composite was also tested. The composite was used for removal of heavy metal ions from aqueous solutions. The maximum adsorption capacities for Pb2+, Cu2+ and Ni2+ were 1006.97, 280.56 and 165.67 mg/g, respectively, and the adsorption was consistent with the Freundlich model. It was found that the superabsorbent composite showed good re-use performance in wastewater treatment. 17 Refs. --- --- Source: https://polymerjournals.com/the-properties-of-melt-blended-compatibilized-metallocene-polyethylene-clay-nanocomposites/ # THE PROPERTIES OF MELT-BLENDED COMPATIBILIZED METALLOCENE POLYETHYLENE/CLAY NANOCOMPOSITES > Title: THE PROPERTIES OF MELT-BLENDED COMPATIBILIZED METALLOCENE POLYETHYLENE/CLAY NANOCOMPOSITES Page Range: p.27-36 Author(s): Wen-Chih Chen; Sun-Mou Lai; Zi Way Wang; Rong Yu Qiu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/the-properties-of-melt-blended-compatibilized-metallocene-polyethylene-clay-nanocomposites/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE PROPERTIES OF MELT-BLENDED COMPATIBILIZED METALLOCENE POLYETHYLENE/CLAY NANOCOMPOSITES** Page Range: p.27-36 Author(s): Wen-Chih Chen; Sun-Mou Lai; Zi Way Wang; Rong Yu Qiu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101820&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** Although it is well known to employ compatibiliser to assist clay dispersion in thermoplastic/clay systems, the properties of compatibilisers have often been neglected. Metallocene polyethylene (mPE)/clay nanocomposites were prepared via a melt-blending approach to further investigate this compatibilisation effect. Maleated mPE (mPE-g-MA) was also prepared as a compatibiliser to improve the dispersion of commercial organoclay. The mPE/mPE-g-MA/clay compatibilised systems showed good dispersion of clay or swollen tactoids through X-ray diffraction (XRD) and transmission electron microscopy (TEM) assessments. The compatibilised cases showed slightly higher crystallisation temperatures at higher clay contents than their counterparts without any compatibiliser. The mechanical properties of the investigated systems were rather complex and unusual. The Young's modulus of compatibilised nanocomposites showed slightly higher values in all investigated cases, stemming from the more effective interfacial interaction. The tensile strength of mPE/clay systems increased with increasing clay content; however, that of mPE/mPE-g-MA/clay systems decreased with increasing clay content due to possible heterogeneous microgel (bound polymer) formation in the compatibilised clay. Lower tear strength for compatibilised cases was found, which was attributed to the low tear strength of the compatibiliser and microgel formation, along with the clay moiety serving as inorganic crosslinks to give less energy dissipation during deformation. The results indicated that high dispersion of clay did not guarantee high strength, and the mechanical properties should be carefully evaluated to exploit the reinforcement of nanocomposites. 32 Refs. --- --- Source: https://polymerjournals.com/thermal-and-mechanical-reinforcement-of-polymethyl-methacrylate-via-incorporation-of-polyhedral-oligomeric-silsesquioxane/ # THERMAL AND MECHANICAL REINFORCEMENT OF POLY(METHYL METHACRYLATE) VIA INCORPORATION OF POLYHEDRAL OLIGOMERIC SILSESQUIOXANE > Title: THERMAL AND MECHANICAL REINFORCEMENT OF POLY(METHYL METHACRYLATE) VIA INCORPORATION OF POLYHEDRAL OLIGOMERIC SILSESQUIOXANE Page Range: p.37-42 Author(s): Benhong Yang; Meng Li; Yun Wu; Xingliang Wan File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/thermal-and-mechanical-reinforcement-of-polymethyl-methacrylate-via-incorporation-of-polyhedral-oligomeric-silsesquioxane/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL AND MECHANICAL REINFORCEMENT OF POLY(METHYL METHACRYLATE) VIA INCORPORATION OF POLYHEDRAL OLIGOMERIC SILSESQUIOXANE** Page Range: p.37-42 Author(s): Benhong Yang; Meng Li; Yun Wu; Xingliang Wan File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101821&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** A series of inorganic/organic nanocomposites were prepared by blending cage-like, hydroxyl-bearing polyhedral oligomeric silsesquioxane (HO-POSS) with poly(methyl methacrylate) (PMMA) in THF solvent. Fourier transform infrared spectrophotometry (FTIR) and 29Si-nuclear magnetic resonance (29Si-NMR) were employed to characterize the structures of the HO-POSS/PMMA nanocomposites. Scanning electron microscope (SEM) images showed that the as-prepared composite films were smooth, and no severe aggregation of HO-POSS was observed when POSS content was less than 1.0 wt.%. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) results showed that the incorporation of small amount of nanosized HO-POSS reinforced the thermal stability of PMMA. When 1.0 wt.% of HO-POSS was incorporated into PMMA matrix, the Tg and Td increased by 28.8 degree C and 18.9 degree C, respectively, due to the strong interaction between POSS cages and PMMA chains. However, higher POSS contents (>2.0 wt.%) deteriorated the thermal and mechanical properties of the nanocomposites owing to the phase separation in the composite matrix caused by the aggregation of POSS cages. 21 Refs. --- --- Source: https://polymerjournals.com/impact-of-linkage-group-in-comb-like-polymer-on-dispersion-properties-of-cement-pastes/ # IMPACT OF LINKAGE GROUP IN COMB-LIKE POLYMER ON DISPERSION PROPERTIES OF CEMENT PASTES > Title: IMPACT OF LINKAGE GROUP IN COMB-LIKE POLYMER ON DISPERSION PROPERTIES OF CEMENT PASTES Page Range: p.43-50 Author(s): Min Qiao; Qianping Ran; Jiaping Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/impact-of-linkage-group-in-comb-like-polymer-on-dispersion-properties-of-cement-pastes/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPACT OF LINKAGE GROUP IN COMB-LIKE POLYMER ON DISPERSION PROPERTIES OF CEMENT PASTES** Page Range: p.43-50 Author(s): Min Qiao; Qianping Ran; Jiaping Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101822&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** The present study aimed to develop a full understanding of the effects of the linkage group type in comb-like polymers on dispersion and dispersion retention of concentrated cement pastes. Two comb-like copolymer dispersants with ester and ether linkage groups were produced. The effects of the linkage group type in the comb-like polymers on the adsorption, dispersion, dispersion retention of the concentrated cement suspensions were investigated systematically. The mechanism of dispersion retention was investigated using isothermal calorimetry measurements and structure stability analysis. The retention of dispersion had a close relationship with the hydration of cement and hydrolysis of side chains. 11 Refs. --- --- Source: https://polymerjournals.com/surface-free-energy-modification-of-crude-rubber-using-oxygen-plasma-and-uv-laser-treatment/ # SURFACE FREE ENERGY MODIFICATION OF CRUDE RUBBER USING OXYGEN PLASMA AND UV LASER TREATMENT > Title: SURFACE FREE ENERGY MODIFICATION OF CRUDE RUBBER USING OXYGEN PLASMA AND UV LASER TREATMENT Page Range: p.51-54 Author(s): Gorazd Golob; Marta Klanjsek Gunde; Kaplanova M; Mladen Lovrecek; Miran Mozetic File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/surface-free-energy-modification-of-crude-rubber-using-oxygen-plasma-and-uv-laser-treatment/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SURFACE FREE ENERGY MODIFICATION OF CRUDE RUBBER USING OXYGEN PLASMA AND UV LASER TREATMENT** Page Range: p.51-54 Author(s): Gorazd Golob; Marta Klanjsek Gunde; Kaplanova M; Mladen Lovrecek; Miran Mozetic File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101823&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** A study has been made of the surface properties of nitrile-butadiene rubber and ethylene-propylene-diene monomer crude rubber, basic raw materials for offset lithographic printing blankets manufacturing. Increased surface free energy of the crude rubber was achieved by treatment with the low-pressure oxygen plasma. After plasma activation, samples were treated using a UV laser to deactivate the surface layer. The surface free energy was calculated on the basis of contact angles with different liquids. Plasma-treated samples had higher surface free energy, especially the polar component, and the effect was larger for nitrile-butadiene rubber samples. This surface free energy decreased after exposure to UV laser light. FTIR-ATR spectroscopy was used to detect possible changes in chemical structure of the surface, but no differences were obtained. Changes of surface free energy were thus most likely a consequence of changes in the surface structure. 16 Refs. --- --- Source: https://polymerjournals.com/properties-of-hyaluronan-pva-sbq-composite-films-processed-by-casting/ # PROPERTIES OF HYALURONAN/PVA-SBQ COMPOSITE FILMS PROCESSED BY CASTING > Title: PROPERTIES OF HYALURONAN/PVA-SBQ COMPOSITE FILMS PROCESSED BY CASTING Page Range: p.55-60 Author(s): Jing Xu; Huiyu Bai; Miao Wang; Wenshui Xia; Xiaoya Liu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/properties-of-hyaluronan-pva-sbq-composite-films-processed-by-casting/ Published: 2013-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF HYALURONAN/PVA-SBQ COMPOSITE FILMS PROCESSED BY CASTING** Page Range: p.55-60 Author(s): Jing Xu; Huiyu Bai; Miao Wang; Wenshui Xia; Xiaoya Liu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc21-1&JournalID=101824&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 21 Issue No: No.1 **Abstract** In this report, a novel hyaluronan/PVA-SbQ composite film was prepared by casting method. The miscibility and morphology of the films were investigated by Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). The surface hydrophobicity and the thermal properties of the composite films were examined by contact angle (CA) and thermogravimetric analysis (TGA), respectively. The results showed strong hydrogen bonding interactions and molecular miscibility between the two polymers. A dimerisation reaction of SbQ pendant groups in PVA-SbQ chains induced by UV led to the crosslinking of the composite film. The film displayed enhanced tensile strength and slightly weakened elongation at break after being photo-crosslinked. Such film may be a promising material for food or drug packaging applications. 26 Refs. --- --- Source: https://polymerjournals.com/fibre-volume-fraction-and-chamber-length-impact-on-detached-versus-attached-resin-injection-pultrusion/ # FIBRE VOLUME FRACTION AND CHAMBER LENGTH IMPACT ON DETACHED VERSUS ATTACHED RESIN INJECTION PULTRUSION > Title: FIBRE VOLUME FRACTION AND CHAMBER LENGTH IMPACT ON DETACHED VERSUS ATTACHED RESIN INJECTION PULTRUSION Page Range: p.755-766 Author(s): Palikhel D R; Roux J A; Jeswani A L File size: 859K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/fibre-volume-fraction-and-chamber-length-impact-on-detached-versus-attached-resin-injection-pultrusion/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FIBRE VOLUME FRACTION AND CHAMBER LENGTH IMPACT ON DETACHED VERSUS ATTACHED RESIN INJECTION PULTRUSION** Page Range: p.755-766 Author(s): Palikhel D R; Roux J A; Jeswani A L File size: 859K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101738&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** Resin injection pultrusion is an efficient and highly automated continuous process for high-quality, low-cost, high-volume manufacturing of composites. This research focuses on the impact of the fibre volume fraction and chamber length on resin injection pultrusion. Fibre volume fraction impact on the strength of the final composite is important since higher fibre volume fraction composites generally yield higher strength. Manufacturing composites with higher fibre volume fraction are more difficult because higher fibre volume fractions require higher injection pressures to achieve complete reinforcement wet out and thus yields higher maximum interior chamber wall pressures. In this work the impact of fibre volume fraction on complete wet out of reinforced fibre is investigated in the attached-die and detached-die resin injection pultrusion process with various resin injection chamber length considerations. This work explores the resin minimum injection pressure needed to achieve complete wet out, the corresponding maximum pressure inside the resin injection chamber so as to improve injection chamber design to keep the resin pressure within the injection chamber within reasonable constraints for different fibre volume fractions. 19 Refs. --- --- Source: https://polymerjournals.com/experimental-characterization-of-a-curing-thermoset-epoxy-anhydride-system-analysis-of-time-sweep-data-for-viscoelastic-cure-temperature-time-superposition/ # EXPERIMENTAL CHARACTERIZATION OF A CURING THERMOSET EPOXY-ANHYDRIDE SYSTEM: ANALYSIS OF TIME SWEEP DATA FOR VISCOELASTIC CURE-TEMPERATURE-TIME SUPERPOSITION > Title: EXPERIMENTAL CHARACTERIZATION OF A CURING THERMOSET EPOXY-ANHYDRIDE SYSTEM: ANALYSIS OF TIME SWEEP DATA FOR VISCOELASTIC CURE-TEMPERATURE-TIME SUPERPOSITION Page Range: p.767-780 Author(s): Xiaosong Huang; Bhaskar Patham; Hitt J File size: 867K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/experimental-characterization-of-a-curing-thermoset-epoxy-anhydride-system-analysis-of-time-sweep-data-for-viscoelastic-cure-temperature-time-superposition/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXPERIMENTAL CHARACTERIZATION OF A CURING THERMOSET EPOXY-ANHYDRIDE SYSTEM: ANALYSIS OF TIME SWEEP DATA FOR VISCOELASTIC CURE-TEMPERATURE-TIME SUPERPOSITION** Page Range: p.767-780 Author(s): Xiaosong Huang; Bhaskar Patham; Hitt J File size: 867K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101739&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** In this work, a potentially more efficient method for the generation of the cure-temperature-time master curve, using frequency-time-sweep experiments, is discussed in the context of a curing thermoset epoxy resin-anhydride system. The proposed methodology involves the characterisation of the curing resin in the frequency domain rather than the time domain. The successful implementation of this methodology can facilitate capturing the evolution of the resin modulus covering the entire duration of cure (both before and after the onset of gelation), which is not feasible with stress-relaxation based approaches. The experimental method and the analytical procedure adopted for generating the master curve are described in detail. Several challenges involved in the successful implementation of the proposed method are identified, and recommendations to remedy these potential problems, in order to generate a theoretically consistent interpolatable cure-temperature-time master curve, are presented. 15 Refs. --- --- Source: https://polymerjournals.com/influence-of-rare-earth-coupling-agent-on-non-isothermal-crystallization-behaviour-of-wood-flour-polypropylene-composites/ # INFLUENCE OF RARE-EARTH COUPLING AGENT ON NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF WOOD FLOUR/POLYPROPYLENE COMPOSITES > Title: INFLUENCE OF RARE-EARTH COUPLING AGENT ON NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF WOOD FLOUR/POLYPROPYLENE COMPOSITES Page Range: p.781-790 Author(s): Liping Li; Huizi Li; Chuigen Guo File size: 484K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/influence-of-rare-earth-coupling-agent-on-non-isothermal-crystallization-behaviour-of-wood-flour-polypropylene-composites/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF RARE-EARTH COUPLING AGENT ON NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF WOOD FLOUR/POLYPROPYLENE COMPOSITES** Page Range: p.781-790 Author(s): Liping Li; Huizi Li; Chuigen Guo File size: 484K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101740&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** The influence of a rare-earth coupling agent (RE) on the non-isothermal crystallisation behaviour of PP was studied by differential scanning calorimetry. Experimental results showed that use of RE caused a decrease in the crystallisation temperature, melting temperature and crystallinity of PP in WF/RE/PP compared with those in WF/PP. The Avrami, Ozawa and Mo methods were used to describe the crystallisation process. The Avrami and Ozawa methods neglected the secondary crystallisation and followed primary crystallisation. The Mo approach could successfully describe the overall crystallisation process. The relation of the half times of crystallisation (t1/2) of the three samples, t1/2(WF/PP) < F(T)(WF/RE/PP) --- --- Source: https://polymerjournals.com/characterization-of-biocompatible-scaffolds-based-on-gelatin-and-hyaluronic-acid-for-fibroblasts-culture/ # CHARACTERIZATION OF BIOCOMPATIBLE SCAFFOLDS BASED ON GELATIN AND HYALURONIC ACID FOR FIBROBLASTS CULTURE > Title: CHARACTERIZATION OF BIOCOMPATIBLE SCAFFOLDS BASED ON GELATIN AND HYALURONIC ACID FOR FIBROBLASTS CULTURE Page Range: p.791-796 Author(s): Zhihua Zhou; Zhongmin Yang; Tianlong Huang; Lihua Liu; Qingquan Liu; Wennan Zeng; Dafu Cao; Songjiang Ma File size: 389K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/characterization-of-biocompatible-scaffolds-based-on-gelatin-and-hyaluronic-acid-for-fibroblasts-culture/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION OF BIOCOMPATIBLE SCAFFOLDS BASED ON GELATIN AND HYALURONIC ACID FOR FIBROBLASTS CULTURE** Page Range: p.791-796 Author(s): Zhihua Zhou; Zhongmin Yang; Tianlong Huang; Lihua Liu; Qingquan Liu; Wennan Zeng; Dafu Cao; Songjiang Ma File size: 389K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101741&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** Gelatin/hyaluronic acid (Gel/HA) scaffolds were prepared by using the freeze-drying method after crosslinking with 1-ethyl-(3-3-dimethylaminopropyl) carbodiimide (EDC). The porous structure was characterized by scanning electron microscopy (SEM), and the wettability of Gel/HA film was also studied by measuring their contact angle. The biological behaviour of the scaffolds was analysed by studying the cell behaviour using a fibroblast cell line and standard biological MTT test. The results showed that the scaffold had an inter-connected pore structure with a sufficient pore size for use as a support for the growth of fibroblasts. The contact angle decreased with increasing HA content, whereas the cell attachment and proliferation improved with decreasing HA content. Confocal laser scanning microscopy (CLSM) demonstrated a normal cell distribution and proliferation on the porous Gel/HA scaffolds. 20 Refs. --- --- Source: https://polymerjournals.com/study-on-dielectric-mechanical-and-thermal-properties-of-polypropylene-pp-composites-with-ground-tyre-rubber-gtr/ # STUDY ON DIELECTRIC, MECHANICAL AND THERMAL PROPERTIES OF POLYPROPYLENE (PP) COMPOSITES WITH GROUND TYRE RUBBER (GTR) > Title: STUDY ON DIELECTRIC, MECHANICAL AND THERMAL PROPERTIES OF POLYPROPYLENE (PP) COMPOSITES WITH GROUND TYRE RUBBER (GTR) Page Range: p.797-808 Author(s): Mujal-Rosas R; Orrit- Prat J; Ramis-Juan X; Marin-Genesca M; Ahmed Rahhali File size: 641K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/study-on-dielectric-mechanical-and-thermal-properties-of-polypropylene-pp-composites-with-ground-tyre-rubber-gtr/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON DIELECTRIC, MECHANICAL AND THERMAL PROPERTIES OF POLYPROPYLENE (PP) COMPOSITES WITH GROUND TYRE RUBBER (GTR)** Page Range: p.797-808 Author(s): Mujal-Rosas R; Orrit- Prat J; Ramis-Juan X; Marin-Genesca M; Ahmed Rahhali File size: 641K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101742&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** Mass production of tyres and their subsequent storage after use is a serious environmental problem whose solution has been attempted in various ways. One of these is the mixture of old, used tyres (GTR) with various thermoplastic and thermostable polymers. These blends are made by modifying the pre-treatment to which the GTR is subjected, the degree of devulcanisation, the mixing or pressing conditions, etc. Later, the mixtures are analysed structurally and mechanically, looking for possible industrial applications. The present work aims to obtain materials suitable for the electrical industry from the mixture of polypropylene (PP) with old used tyres (GTR), starting from the requirement of minimum recycling costs, i.e. by using vulcanised GTR without any prior treatment, but acting on the particle sizes with a simple and inexpensive screening. A large number of composites have been analysed, and these have been submitted to dielectric, mechanical, thermal and microstructural examination. Composites were obtained using the three GTR particle sizes (p<200 mum, 200 500 mum), and the seven concentrations of GTR in the composite (0%, 5%, 10%, 20%, 40%, 50% and 70%), meaning a total of 21 new composites. In addition, in order to have the dielectric tests as exhaustive as possible and show the behaviour of the composite under widely changing conditions, a wide range of temperatures (30 deg.C to 120 deg.C) and frequencies (1(.)10-2 Hz and 3(.)106 Hz) were used. All these data have allowed an accurate characterisation of the properties of the new composites, and according to these results, possible electrical applications have been explored, with the requirement that they must comply with Official Regulations. 36 Refs. --- --- Source: https://polymerjournals.com/the-decomposition-of-bisphenol-a-diglycidyl-ether-alicyclic-amine-hardened-networks-in-near-critical-water/ # THE DECOMPOSITION OF BISPHENOL A DIGLYCIDYL ETHER/ALICYCLIC AMINE HARDENED NETWORKS IN NEAR-CRITICAL WATER > Title: THE DECOMPOSITION OF BISPHENOL A DIGLYCIDYL ETHER/ALICYCLIC AMINE HARDENED NETWORKS IN NEAR-CRITICAL WATER Page Range: p.809-816 Author(s): Liu Yuyan; Li Li; Wu Songquan; Liu Yuting File size: 406K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/the-decomposition-of-bisphenol-a-diglycidyl-ether-alicyclic-amine-hardened-networks-in-near-critical-water/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE DECOMPOSITION OF BISPHENOL A DIGLYCIDYL ETHER/ALICYCLIC AMINE HARDENED NETWORKS IN NEAR-CRITICAL WATER** Page Range: p.809-816 Author(s): Liu Yuyan; Li Li; Wu Songquan; Liu Yuting File size: 406K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101743&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** The decomposition of bisphenol A diglycidyl ether/alicyclic amine hardened networks in near-critical water was studied in this paper. It is possible to decompose thermosetting epoxy resin completely at 260 degrees C for 1 h with 1 g/5 ml feedstock ratio. The decomposition rate of epoxy resin increased with an increase in reaction temperature. The decrease in sample size led to higher decomposition rate, and the catalysts NH4Cl and H2SO4 had the higher positive effect on the decomposition rate. Thermogravimetry analysis (TGA) showed that thermal decomposition was not the primary factor for the collapse of networks in the temperature range studied. Gas ChromatographyMass Spectrometry (GC-MS) showed the main components of the soluble decomposed compounds were bisphenol A, hydroxybenzene, olefin and ketone compounds and their content varied during the reaction. The hydrolysis of ether bond was regarded as the key factor in the process of decomposition reaction of bisphenol A diglycidyl ether/alicyclic amine hardened networks. 17 Refs. --- --- Source: https://polymerjournals.com/mechanical-and-thermal-properties-analysis-of-polypropylene-reinforced-with-polyamide-microfibre-obtained-from-shredded-tyres/ # MECHANICAL AND THERMAL PROPERTIES ANALYSIS OF POLYPROPYLENE REINFORCED WITH POLYAMIDE MICROFIBRE OBTAINED FROM SHREDDED TYRES > Title: MECHANICAL AND THERMAL PROPERTIES ANALYSIS OF POLYPROPYLENE REINFORCED WITH POLYAMIDE MICROFIBRE OBTAINED FROM SHREDDED TYRES Page Range: p.817-822 Author(s): Parres F; Crespo-Amoros J E; Nadal-Gisbert A; Navarro R File size: 334K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/mechanical-and-thermal-properties-analysis-of-polypropylene-reinforced-with-polyamide-microfibre-obtained-from-shredded-tyres/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL AND THERMAL PROPERTIES ANALYSIS OF POLYPROPYLENE REINFORCED WITH POLYAMIDE MICROFIBRE OBTAINED FROM SHREDDED TYRES** Page Range: p.817-822 Author(s): Parres F; Crespo-Amoros J E; Nadal-Gisbert A; Navarro R File size: 334K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101744&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** The importance of recovering waste materials generated by industrialised societies is mainly due to the environmental impact that they have, and one of the principal problems is the presence of end of life tyres. The use of waste microfibre obtained from shredded tyres as reinforcement in polypropylene matrices offers an interesting opportunity for recycling of the waste microfibre, in order to obtain 'value added products' from polypropylene (PP)/waste microfibre tyre composites. The microfibres obtained from shredded tyres were used as a reinforcing material in compositions with polypropylene (PP). The blending proportions were: (1) 10% microfibre 90% PP; (2) 20% microfibre, 80% PP; (3) 30% microfibre, 70% PP; (4) 40% microfibre, 60% PP, (5) 50% microfibre, 50% PP and (6) 80% microfibre, 20% PP. The mechanical and thermal properties were analysed. In this case polypropylene mixed with polyamide (PA) microfibres show a decrease in tensile strength and elongation at break, however, impact strength and Vicat Softening temperature values increase with polyamide microfibre content. Continuity in the matrix phase was observed by scanning electron microscopy up to loadings of 40% microfibre. 17 Refs. --- --- Source: https://polymerjournals.com/the-development-of-a-polymer-composite-filament-for-thermo-sensitive-applications/ # THE DEVELOPMENT OF A POLYMER COMPOSITE FILAMENT FOR THERMO-SENSITIVE APPLICATIONS > Title: THE DEVELOPMENT OF A POLYMER COMPOSITE FILAMENT FOR THERMO-SENSITIVE APPLICATIONS Page Range: p.823-828 Author(s): Danmei Sun; Ketan Vadodaria; Stylios G K File size: 372K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/the-development-of-a-polymer-composite-filament-for-thermo-sensitive-applications/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE DEVELOPMENT OF A POLYMER COMPOSITE FILAMENT FOR THERMO-SENSITIVE APPLICATIONS** Page Range: p.823-828 Author(s): Danmei Sun; Ketan Vadodaria; Stylios G K File size: 372K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101745&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** A type of smart thermochromic filament has been developed, composed of 35% UMB Blue and 65% polypropylene. It was able to change colour between white and blue depending on the temperature. A set of examinations including DSC, SEM, XRD, FTIR and tensile strength test, has been carried out to study the properties of the smart filament. The successful development of the thermochromic filament will enable textile based smart products to be developed for applications where the effect can be indicated by the change of colour. 12 Refs. --- --- Source: https://polymerjournals.com/bentonite-acrylamide-histidine-cuii-microcomposite-for-cytochrome-c-adsorption/ # BENTONITE-ACRYLAMIDE-HISTIDINE-CU(II) MICROCOMPOSITE FOR CYTOCHROME C ADSORPTION > Title: BENTONITE-ACRYLAMIDE-HISTIDINE-CU(II) MICROCOMPOSITE FOR CYTOCHROME C ADSORPTION Page Range: p.829-836 Author(s): Birnur Akkaya; Recep Akkaya File size: 357K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 Abstract Bentonite-acrylamide-histidine... Canonical URL: https://polymerjournals.com/bentonite-acrylamide-histidine-cuii-microcomposite-for-cytochrome-c-adsorption/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BENTONITE-ACRYLAMIDE-HISTIDINE-CU(II) MICROCOMPOSITE FOR CYTOCHROME C ADSORPTION** Page Range: p.829-836 Author(s): Birnur Akkaya; Recep Akkaya File size: 357K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101746&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** Bentonite-acrylamide-histidine with an average particle diameter of 200-1000 (mu)m was produced by bulk polymerisation of bentonite, acrylamide, bisacrylamide, AIBN and histidine. Bentonite-acrylamide-histidineCu(II) microcomposite was prepared by loading copper ions. The microcomposite was characterized by scanning electron microscopy (SEM), specific surface area and elemental analysis. Cytochrome c adsorption studies were performed, for the first time, by using the new metal chelated affinity support (bentonite-acrylamide-histidineCu(II)) microcomposite in batchwise experiments. 47 Refs. --- --- Source: https://polymerjournals.com/analysis-of-the-draping-behaviour-of-multi-layer-textiles-using-digital-image-processing/ # ANALYSIS OF THE DRAPING BEHAVIOUR OF MULTI-LAYER TEXTILES USING DIGITAL IMAGE PROCESSING > Title: ANALYSIS OF THE DRAPING BEHAVIOUR OF MULTI-LAYER TEXTILES USING DIGITAL IMAGE PROCESSING Page Range: p.837-844 Author(s): Taha I; Abdin Y; Ebeid S File size: 901K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/analysis-of-the-draping-behaviour-of-multi-layer-textiles-using-digital-image-processing/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANALYSIS OF THE DRAPING BEHAVIOUR OF MULTI-LAYER TEXTILES USING DIGITAL IMAGE PROCESSING** Page Range: p.837-844 Author(s): Taha I; Abdin Y; Ebeid S File size: 901K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101747&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** The draping behaviour of woven fabrics in moulds is essential for the production of textile composites that should fulfil specific aesthetic and performance requirements. This study focuses on the draping behaviour of multiple layers of natural jute and glass fibre woven fabrics and their hybrid combinations. Results show that it is not only the number of layers that plays a vital role in determining the overall draping behaviour of multilayer reinforcements, but also the order in which the setup is prepared. Image processing techniques using Matlab were performed to describe the draping behaviour of single, double and triple layer setups. 16 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-properties-of-polyetherimides-by-nucleophilic-displacement-reaction/ # SYNTHESIS AND PROPERTIES OF POLYETHERIMIDES BY NUCLEOPHILIC DISPLACEMENT REACTION > Title: SYNTHESIS AND PROPERTIES OF POLYETHERIMIDES BY NUCLEOPHILIC DISPLACEMENT REACTION Page Range: p.845-852 Author(s): Rajasekar S; Venkatesan D File size: 323K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No:... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-polyetherimides-by-nucleophilic-displacement-reaction/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTIES OF POLYETHERIMIDES BY NUCLEOPHILIC DISPLACEMENT REACTION** Page Range: p.845-852 Author(s): Rajasekar S; Venkatesan D File size: 323K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101748&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** A series of polyetherimides was prepared by nucleophilic displacement reaction of bisnitrophthalimides containing ether and sulphur linkages with aromatic diols in dimethyl sulphoxide. The two new bisnitrophthalimides, 4,4'-bis(Nphenoxy4-nitrophthaliimide)-2,2'-diphenylisopropylidene and 4,4'-bis(N-phenoxy-4-nitrophthalimide)diphenylsulphide were prepared from the corresponding diamines and 4-nitrophthalic anhydride. The nitro displacement polymerisation yielded high molecular weight polyetherimides with inherent viscosities of 0.460.54 dL/g. The polyetherimides were soluble in dipolar aprotic solvents such as DMSO, DMF and NMP. These polymers had glass transition temperatures around 200 degrees C. Thermogravimetric analysis indicated that the 10% weight loss temperature for these polymers ranged from 430 to 490 degrees C with a high char yield at 800 degrees C. 18 Refs. --- --- Source: https://polymerjournals.com/effects-of-plant-polyphenols-on-the-interface-and-mechanical-properties-of-rubber-silica-composites/ # EFFECTS OF PLANT POLYPHENOLS ON THE INTERFACE AND MECHANICAL PROPERTIES OF RUBBER/SILICA COMPOSITES > Title: EFFECTS OF PLANT POLYPHENOLS ON THE INTERFACE AND MECHANICAL PROPERTIES OF RUBBER/SILICA COMPOSITES Page Range: p.853-860 Author(s): Congsheng Xu; Guokai Xu; Mingliang Du; Han Zhu; Yaqin Fu; Xianming Zhang File size: 564K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/effects-of-plant-polyphenols-on-the-interface-and-mechanical-properties-of-rubber-silica-composites/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF PLANT POLYPHENOLS ON THE INTERFACE AND MECHANICAL PROPERTIES OF RUBBER/SILICA COMPOSITES** Page Range: p.853-860 Author(s): Congsheng Xu; Guokai Xu; Mingliang Du; Han Zhu; Yaqin Fu; Xianming Zhang File size: 564K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101749&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** Based on the abundant surface hydroxyl groups of plant polyphenols and their tendency for complexation with metal ions, a facile and green approach to improve the interfacial interactions between silica and a rubber matrix is proposed. The interface interactions of plant phenols with silica and Zn ions are characterized by attenuated total refraction Fourier transform infrared spectroscopy (ATR-FTIR) and X-ray photoelectron spectroscopy (XPS). The results suggest that, with the introduction of plant phenols, strong interface interaction between rubber matrix and silica can be formed through hydrogen bonding and chelating effects. The investigation of mechanical performance of the composites indicates that the proposed approach produces remarkable reinforcing effects on the rubber matrix. 26 Refs. --- --- Source: https://polymerjournals.com/tensile-and-impact-properties-of-different-morphological-parts-of-sugar-palm-fibre-reinforced-unsaturated-polyester-composites/ # TENSILE AND IMPACT PROPERTIES OF DIFFERENT MORPHOLOGICAL PARTS OF SUGAR PALM FIBRE-REINFORCED UNSATURATED POLYESTER COMPOSITES > Title: TENSILE AND IMPACT PROPERTIES OF DIFFERENT MORPHOLOGICAL PARTS OF SUGAR PALM FIBRE-REINFORCED UNSATURATED POLYESTER COMPOSITES Page Range: p.861-866 Author(s): Sahari J; Sapuan S M; Ismarrubie Z N; Rahman M Z A File size: 410K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/tensile-and-impact-properties-of-different-morphological-parts-of-sugar-palm-fibre-reinforced-unsaturated-polyester-composites/ Published: 2012-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE AND IMPACT PROPERTIES OF DIFFERENT MORPHOLOGICAL PARTS OF SUGAR PALM FIBRE-REINFORCED UNSATURATED POLYESTER COMPOSITES** Page Range: p.861-866 Author(s): Sahari J; Sapuan S M; Ismarrubie Z N; Rahman M Z A File size: 410K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-9&JournalID=101750&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.9 **Abstract** The present study investigated the tensile and impact behaviour of unsaturated polyester composites reinforced by fibre from different parts of the sugar palm tree. Sugar palm fibre i.e. sugar palm frond (SPF), sugar palm bunch (SPB), black sugar palm fibre (ijuk) and sugar palm trunk (SPT) which have high content of cellulose, low density, abundance and low cost, have the potential for polymer reinforcement. All composites were fabricated and labelled as SPF/PE, SPB/PE, ijuk/PE and SPT/PE. It was found that SPF/PE had the highest tensile strength which was 15.179 MPa ( plus/minus 2.425) followed by SPB/PE, ijuk/PE and SPT/PE with 12.809 MPa ( plus/minus 1.580), 11.473 MPa ( plus/minus 0.536) and 9.817 MPa ( plus/minus 1.890) respectively. For the impact strength analysis, SPF/PE showed the highest value (8.091 kJ m-2). Generally, SPF/PE had better tensile and impact properties than the other composites, due its high cellulose content. 14 Refs. --- --- Source: https://polymerjournals.com/insights-into-the-encapsulation-process-of-photovoltaic-modules-gcms-analysis-on-the-curing-step-of-polyethylene-co-vinyl-acetate-eva-encapsulant/ # INSIGHTS INTO THE ENCAPSULATION PROCESS OF PHOTOVOLTAIC MODULES: GCMS ANALYSIS ON THE CURING STEP OF POLY(ETHYLENE-CO-VINYL ACETATE) (EVA) ENCAPSULANT > Title: INSIGHTS INTO THE ENCAPSULATION PROCESS OF PHOTOVOLTAIC MODULES: GCMS ANALYSIS ON THE CURING STEP OF POLY(ETHYLENE-CO-VINYL ACETATE) (EVA) ENCAPSULANT Page Range: p.665-672 Author(s): Heng-Yu Li; Theron R; Roder G; Turlings T; Yun Luo; Lange R F M; Ballif C; Laure-Emmanuelle Perret-Aebi... Canonical URL: https://polymerjournals.com/insights-into-the-encapsulation-process-of-photovoltaic-modules-gcms-analysis-on-the-curing-step-of-polyethylene-co-vinyl-acetate-eva-encapsulant/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INSIGHTS INTO THE ENCAPSULATION PROCESS OF PHOTOVOLTAIC MODULES: GCMS ANALYSIS ON THE CURING STEP OF POLY(ETHYLENE-CO-VINYL ACETATE) (EVA) ENCAPSULANT** Page Range: p.665-672 Author(s): Heng-Yu Li; Theron R; Roder G; Turlings T; Yun Luo; Lange R F M; Ballif C; Laure-Emmanuelle Perret-Aebi File size: 290K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101700&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** Appropriate encapsulation schemes are essential in protecting the active components of the photovoltaic (PV) module against weathering and to ensure long term reliability. For crystalline cells, poly(ethylene-co-vinyl acetate) (EVA) is the most commonly used PV encapsulant. Additives like peroxides and silanes are formulated in EVA encapsulants to obtain the desired properties, e.g. the desired gel content value and sufficient adhesion after the encapsulation process etc. The identification and control of volatile organic compounds (VOCs) released by the polymeric encapsulant during PV module encapsulation is important for understanding and optimizing processes in order to enhance the encapsulation quality of the manufactured modules. The authors demonstrate how gas chromatography and mass spectrometry (GC-MS) techniques can be used to help understand the curing process, mainly by identifying the VOCs emanating from EVA under the effect of temperature and pressure. The results provide chemical insights into the EVA encapsulation process, which are valuable for further optimisation of the PV module manufacturing process and evaluation of its environmental impact. 26 Refs. --- --- Source: https://polymerjournals.com/friction-and-wear-of-epoxy-composites-containing-silica-nanoparticles-grafted-by-hyperbranched-aromatic-polyamide/ # FRICTION AND WEAR OF EPOXY COMPOSITES CONTAINING SILICA NANOPARTICLES GRAFTED BY HYPERBRANCHED AROMATIC POLYAMIDE > Title: FRICTION AND WEAR OF EPOXY COMPOSITES CONTAINING SILICA NANOPARTICLES GRAFTED BY HYPERBRANCHED AROMATIC POLYAMIDE Page Range: p.673-682 Author(s): Ying Yu; Min Zhi Rong; Ming Qiu Zhang File size: 408K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/friction-and-wear-of-epoxy-composites-containing-silica-nanoparticles-grafted-by-hyperbranched-aromatic-polyamide/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FRICTION AND WEAR OF EPOXY COMPOSITES CONTAINING SILICA NANOPARTICLES GRAFTED BY HYPERBRANCHED AROMATIC POLYAMIDE** Page Range: p.673-682 Author(s): Ying Yu; Min Zhi Rong; Ming Qiu Zhang File size: 408K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101701&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** Nano-sized SiO2 particles grafted with hyperbranched aromatic polyamide were employed as fillers for fabricating epoxy based composites. The hyperbranched aromatic polyamide was selected because its terminal amine groups could take part in the curing reaction of epoxy resin and covalently connect silica nanoparticles with the matrix. The experimental results proved the occurrence of this reaction, and indicated that the presence of the grafted SiO2 in epoxy does not change the overall curing mechanism of epoxy. In comparison to the composites filled with untreated nano-SiO2 particles, the composites with the grafted nano-SiO2 exhibited significantly improved sliding wear resistance and reduced frictional coefficient owing to the strong filler/matrix interfacial bonding. Moreover, hyperbranched aromatic polyamide grafted nano-SiO2 was more effective to enhance tribological properties of epoxy than linear polymers grafted versions. 23 Refs. --- --- Source: https://polymerjournals.com/dynamic-mechanical-characterization-of-the-crosslinked-and-chain-extended-htpb-based-polyurethanes/ # DYNAMIC MECHANICAL CHARACTERIZATION OF THE CROSSLINKED AND CHAIN-EXTENDED HTPB BASED POLYURETHANES > Title: DYNAMIC MECHANICAL CHARACTERIZATION OF THE CROSSLINKED AND CHAIN-EXTENDED HTPB BASED POLYURETHANES Page Range: p.683-692 Author(s): Nadeem Ahmad; Khan M B; Xiaoyan Ma; Noaman Ul-Haq; Ihtasham-Ur-Rehman File size: 301K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/dynamic-mechanical-characterization-of-the-crosslinked-and-chain-extended-htpb-based-polyurethanes/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DYNAMIC MECHANICAL CHARACTERIZATION OF THE CROSSLINKED AND CHAIN-EXTENDED HTPB BASED POLYURETHANES** Page Range: p.683-692 Author(s): Nadeem Ahmad; Khan M B; Xiaoyan Ma; Noaman Ul-Haq; Ihtasham-Ur-Rehman File size: 301K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101702&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** The viscoelastic response of two different polyurethane (PU) systems (crosslinked and chain-extended) based on hydroxyl terminated polybutadiene (HTPB) were analysed and compared. The PU elastomers were fabricated by reacting HTPB with isophorone diisocyanate. A tri-functional alcohol (1,2,6 hexanetriol) and a bi-functional aliphatic diol (1,4 butanediol) were used as the crosslinking agent and the chain extender respectively. Hydrogen bonding between the hard segments is identified by the IR spectroscopy. The segregation of these segments was manifested by dynamic mechanical analysis at characteristic frequency over a wide range of temperature. The intensity and temperature location of the relaxation peaks was identified and discussed. The phenomenon of viscous dissipation was evaluated by recording the viscoelastic parameters as a function of temperature across a series of frequencies. The results obtained indicate that the chain-extended polymer is phase segregated and more sensitive to temperature rise via viscous dissipation as compared to crosslinked polymer. Both the polymers showed similar glass transition temperature (Tg) and characteristic relaxation times. Master curves for the polymer systems investigated are produced and discussed. 31 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-montmorillonite-carbon-nanotubes-hybrid-fillers-for-nanocomposites/ # SYNTHESIS AND CHARACTERIZATION OF MONTMORILLONITE-CARBON NANOTUBES HYBRID FILLERS FOR NANOCOMPOSITES > Title: SYNTHESIS AND CHARACTERIZATION OF MONTMORILLONITE-CARBON NANOTUBES HYBRID FILLERS FOR NANOCOMPOSITES Page Range: p.693-700 Author(s): Madaleno L; Ryszard Pyrz; Jensen L R; Pinto J J C; Lopes A B; Dolomanova V; Schjodt-Thomsen J; Rauhe J C M File size: 428K Download the... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-montmorillonite-carbon-nanotubes-hybrid-fillers-for-nanocomposites/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF MONTMORILLONITE-CARBON NANOTUBES HYBRID FILLERS FOR NANOCOMPOSITES** Page Range: p.693-700 Author(s): Madaleno L; Ryszard Pyrz; Jensen L R; Pinto J J C; Lopes A B; Dolomanova V; Schjodt-Thomsen J; Rauhe J C M File size: 428K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101703&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** Montmorillonite-carbon nanotubes hybrids were prepared by growth of carbon nanotubes (CNT) on five different types of iron-montmorillonite clays using the chemical vapour deposition (CVD) method. Microscopy studies revealed the presence of carbon nanotubes protruding from clay surfaces and linking the clay layers in a network structure. X-ray diffraction results showed changes in the clay interlayer spacing induced by growth of carbon nanotubes within the layers of iron-montmorillonites. The quality of the resulting carbon nanotubes was evaluated by Raman spectroscopy and thermogravimetric analyses were used to evaluate the amount of carbon nanotubes and its thermal stability. The method used for the preparation of the iron-montmorillonites appeared to be critical for the quality and quantity of carbon nanotubes obtained in each hybrid. In a preliminary study the hybrids were used to reinforce polyurethane nanocomposite foams. 23 Refs. --- --- Source: https://polymerjournals.com/the-structure-and-nonisothermal-crystallization-kinetics-of-hdpe-nanocomposites-filled-with-mg2al-ldh/ # THE STRUCTURE AND NONISOTHERMAL CRYSTALLIZATION KINETICS OF HDPE NANOCOMPOSITES FILLED WITH MG2AL-LDH > Title: THE STRUCTURE AND NONISOTHERMAL CRYSTALLIZATION KINETICS OF HDPE NANOCOMPOSITES FILLED WITH MG2AL-LDH Page Range: p.701-710 Author(s): Jun Qin; Xiaolang Chen; Jie Yu; Tian Xie; Yaozhu Tian; Qing Lv; Pu Xie File size: 476K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/the-structure-and-nonisothermal-crystallization-kinetics-of-hdpe-nanocomposites-filled-with-mg2al-ldh/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE STRUCTURE AND NONISOTHERMAL CRYSTALLIZATION KINETICS OF HDPE NANOCOMPOSITES FILLED WITH MG2AL-LDH** Page Range: p.701-710 Author(s): Jun Qin; Xiaolang Chen; Jie Yu; Tian Xie; Yaozhu Tian; Qing Lv; Pu Xie File size: 476K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101704&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** High-density polyethylene (HDPE)/Mg2Al-layered double hydroxide (Mg2Al-LDH) nanocomposites with an ethylene-acrylic acid random copolymer (EAA)/Mg2Al-LDH master batch were prepared by melt-mixing. The structure of the nanocomposites was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The results demonstrate the formation of the nanocomposites with exfoliated/intercalated layered double hydroxides well distributed in the HDPE matrix. The nonisothermal crystallisation behaviour of master batch-based HDPE nanocomposites was studied by using differential scanning calorimetry (DSC). The crystallisation behaviour of HDPE/Mg2Al-LDH nanocomposites was well defined by the Avrami analysis and Jeziorny method, as well as the combined Avrami and Ozawa analysis (MO's model). The results reveal that a very small amount of Mg2Al-LDH (1%) accelerates the crystallisation process in comparison with the neat HDPE, and the high crystallisation rate is attributed to the nucleating effect of the exfoliated nanoparticles. Overall, the exfoliated Mg2Al-LDH particles act as the nucleating agent, and therefore distinctly change the type of nucleation, growth and geometry of HDPE crystals. 36 Refs. --- --- Source: https://polymerjournals.com/fracture-toughness-of-laminated-composites-a-non-linear-analysis/ # FRACTURE TOUGHNESS OF LAMINATED COMPOSITES – A NON-LINEAR ANALYSIS > Title: FRACTURE TOUGHNESS OF LAMINATED COMPOSITES - A NON-LINEAR ANALYSIS Page Range: p.711-716 Author(s): Rizov V; Mladensky A File size: 280K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No:... Canonical URL: https://polymerjournals.com/fracture-toughness-of-laminated-composites-a-non-linear-analysis/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FRACTURE TOUGHNESS OF LAMINATED COMPOSITES - A NON-LINEAR ANALYSIS** Page Range: p.711-716 Author(s): Rizov V; Mladensky A File size: 280K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101705&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** Non-linear fracture behaviour of laminated composite materials under mode I (crack opening) loading conditions was studied experimentally and theoretically. For this purpose, single edge notched tension (SENT) tests were carried-out using displacement-controlled loading under room temperature dry conditions. It was found that the load-displacement diagram had non-linear character prior to onset of macroscopic crack propagation. Thus, the main objective of this paper was to study the fracture properties using non-linear fracture mechanics. A two-dimensional finite element model was set-up in order to analyse the non-linear response of the SENT test specimen. Non-linear deformation due to damage was simulated using the Tsai-Hill failure criterion. The failure analysis revealed that the damage was localized in the vicinity of the crack tip. The fracture response was characterized using a J-integral. It was shown that a realistic appraisal of the potential for crack growth should include the effects of non-linear material deformation. It was found that taking into account the non-linear deformation increased the fracture resistance. This finding was attributed to the increased strain energy dissipation due to the damage induced non-linear behaviour of the SENT test specimen. 32 Refs. --- --- Source: https://polymerjournals.com/performance-of-graphite-filled-composite-based-on-benzoxazine-resin-ii-decreasing-the-moulding-time-of-the-composite/ # PERFORMANCE OF GRAPHITE FILLED COMPOSITE BASED ON BENZOXAZINE RESIN. II. DECREASING THE MOULDING TIME OF THE COMPOSITE > Title: PERFORMANCE OF GRAPHITE FILLED COMPOSITE BASED ON BENZOXAZINE RESIN. II. DECREASING THE MOULDING TIME OF THE COMPOSITE Page Range: p.717-724 Author(s): Hajime Kimura; Keiko Ohtsuka; Akihiro Matsumoto File size: 355K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/performance-of-graphite-filled-composite-based-on-benzoxazine-resin-ii-decreasing-the-moulding-time-of-the-composite/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PERFORMANCE OF GRAPHITE FILLED COMPOSITE BASED ON BENZOXAZINE RESIN. II. DECREASING THE MOULDING TIME OF THE COMPOSITE** Page Range: p.717-724 Author(s): Hajime Kimura; Keiko Ohtsuka; Akihiro Matsumoto File size: 355K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101706&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** To put the fuel cell to practical use, it is necessary to reduce its cost for the production of the bipolar plate as one of the components in the cell. Decreasing the moulding (cure) time of the graphite filled composites as a bipolar plate can increase its productivity. In this study, we aimed to decrease the moulding (cure) time of graphite-filled composites based on benzoxazine resin for the bipolar plate. Therefore, phenol novolac resin was added to benzoxazine resin as a curing accelerator. Expanded graphite was used for the preparation of the graphite-filled composites. The composites were prepared by means of the compression moulding of mixtures of graphite and benzoxazine resin containing phenol novolac as a curing accelerator. The properties of the graphite filled composites based on benzoxazine resin containing phenol novolac as a curing accelerator were characterised by mechanical properties, gas permeability and electrical conductivity. As a result, the curing reaction of benzoxazine resin containing phenol novolac as a curing accelerator could proceed more rapidly than that of only benzoxazine resin, and the moulding (cure) time of the composite was decreased. It was found that phenol novolac was an effective moulding accelerator of the graphite filled composites based on benzoxazine resin, and that it could increase the productivity of the bipolar plate using the graphite filled composite based on benzoxazine resin. It was also found that graphite filled composites based on benzoxazine resin containing phenol novolac as a curing accelerator showed good gas impermeability, electrical conductivity and mechanical properties compared with those of the graphite-filled composites based on the conventional phenolic resins. 22 Refs. --- --- Source: https://polymerjournals.com/effect-of-molecular-weight-of-polycarboxylate-type-superplasticizer-on-the-rheological-properties-of-cement-pastes/ # EFFECT OF MOLECULAR WEIGHT OF POLYCARBOXYLATE-TYPE SUPERPLASTICIZER ON THE RHEOLOGICAL PROPERTIES OF CEMENT PASTES > Title: EFFECT OF MOLECULAR WEIGHT OF POLYCARBOXYLATE-TYPE SUPERPLASTICIZER ON THE RHEOLOGICAL PROPERTIES OF CEMENT PASTES Page Range: p.725-736 Author(s): Xiongyi Peng; Conghua Yi; Xueqing Qiu; Yonghong Deng File size: 413K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/effect-of-molecular-weight-of-polycarboxylate-type-superplasticizer-on-the-rheological-properties-of-cement-pastes/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF MOLECULAR WEIGHT OF POLYCARBOXYLATE-TYPE SUPERPLASTICIZER ON THE RHEOLOGICAL PROPERTIES OF CEMENT PASTES** Page Range: p.725-736 Author(s): Xiongyi Peng; Conghua Yi; Xueqing Qiu; Yonghong Deng File size: 413K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101707&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** In order to study the effect of molecular weight of polycarboxylate-type superplasticiser (PC) on the rheological properties of cement pastes, PCs with different molecular weights (low, medium, high) were synthesised, and used as superplasticisers for cement suspensions. The effect of molecular weight of PC on the zeta potential, adsorption, and rheological behaviour of the corresponding cement suspensions were investigated systematically. Among the PCs, PC with a medium molecular weight always produced the lowest apparent viscosity for cement pastes at the same shear rate. Compared to PC with a low molecular weight, PC with a high molecular weight presented a stronger initial dispersing ability and a weaker dispersing stabilising ability for cement pastes. In addition, PC with a low molecular weight had an advantage over PC with a high molecular weight for reducing the viscosity of paste in the low added dosage or low water/cement ratio, but the latter had the advantage of reducing the viscosity of the paste when the added dosage or water/cement ratio was high. This understanding of the rheological properties of cement pastes incorporating PC will provide an important reference for the application and synthesis of PC with high efficiency. 28 Refs. --- --- Source: https://polymerjournals.com/effect-of-nanoclay-on-quasi-static-perforation-of-thin-walled-polymer-composite-laminates/ # EFFECT OF NANOCLAY ON QUASI STATIC PERFORATION OF THIN-WALLED POLYMER COMPOSITE LAMINATES > Title: EFFECT OF NANOCLAY ON QUASI STATIC PERFORATION OF THIN-WALLED POLYMER COMPOSITE LAMINATES Page Range: p.737-748 Author(s): Javad Moftakharian Esfahani; Masoud Esfandeh; Ali Reza Sabet File size: 422K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/effect-of-nanoclay-on-quasi-static-perforation-of-thin-walled-polymer-composite-laminates/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF NANOCLAY ON QUASI STATIC PERFORATION OF THIN-WALLED POLYMER COMPOSITE LAMINATES** Page Range: p.737-748 Author(s): Javad Moftakharian Esfahani; Masoud Esfandeh; Ali Reza Sabet File size: 422K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101708&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** In this study, the penetration and perforation performance of nanoclay reinforced unsaturated polyester resin/ fibreglass nanocomposite laminates have been investigated via quasi-static indentation tests using a hemispherical nose indenter. Unsaturated polyester resin (UP) was mixed with 1.5 and 3 wt.% nanoclay using a homogeniser stirrer to prepare a homogeneous mix. UP reinforced nanocomposite was then utilized to manufacture 150 x 150 mm2 laminated composite panels using 400 g/m2 glass fibre woven roving via a hand lay-up process. X-ray diffractometry, transmission electron microscopy analysis, energy-dispersive X-ray (EDXA) analysis and measurement of viscosity changes in the liquid state resin confirmed the exfoliation and the intercalation of the nanoclay by the unsaturated polyester resin system used. Quasi-static perforation tests were conducted using a surface-hardened steel indenter with a hemispherical tip at 5 and 500 mm/min load rates on nanocomposite laminated plates. Measurement of the quasi-static force as a function of indenter displacement for all the specimens showed four distinct regions, namely penetration, perforation, exit and residual frictional force. The results indicated a clear role being played by the nanoclay filler as a secondary reinforcement, in terms of higher energy absorption in all four regions. 42 Refs. --- --- Source: https://polymerjournals.com/studies-on-thermomechanical-characteristics-of-polymethyl-methacrylate-and-ethylene-methyl-acrylate-copolymer-blends/ # STUDIES ON THERMOMECHANICAL CHARACTERISTICS OF POLY(METHYL METHACRYLATE) AND ETHYLENE-METHYL ACRYLATE COPOLYMER BLENDS > Title: STUDIES ON THERMOMECHANICAL CHARACTERISTICS OF POLY(METHYL METHACRYLATE) AND ETHYLENE-METHYL ACRYLATE COPOLYMER BLENDS Page Range: p.749-754 Author(s): Poomalai P; Varghese T O; Siddaramaiah File size: 206K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/studies-on-thermomechanical-characteristics-of-polymethyl-methacrylate-and-ethylene-methyl-acrylate-copolymer-blends/ Published: 2012-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDIES ON THERMOMECHANICAL CHARACTERISTICS OF POLY(METHYL METHACRYLATE) AND ETHYLENE-METHYL ACRYLATE COPOLYMER BLENDS** Page Range: p.749-754 Author(s): Poomalai P; Varghese T O; Siddaramaiah File size: 206K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-8&JournalID=101709&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.8 **Abstract** Blends of poly(methyl methacrylate) (PMMA) with ethylene - methyl acrylate (EMA) copolymers of different compositions, viz. 95/05, 90/10, 85/15 and 80/20 wt.% were prepared by a melt mixing technique using a twinscrew extruder. The blends were characterized by thermo-analytical methods, viz. differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and dynamic mechanical analysis (DMA). The TGA of PMMA/ EMA blends show that thermal degradation takes place in two steps and the temperature of the decomposition rate maximum is proportional to the compositions of the blends. The DSC studies reveal two glass-transition temperatures (Tg) for all the blends corresponding to their individual components which indicates that the blends are incompatible. The DMA thermograms exhibit two steps in the dynamic modulus-temperature curves for higher EMA content, which is characteristic of immiscible polymers in a two phase system. 27 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-and-tribological-behaviour-of-polyurethane-elastomer-reinforced-with-caco3-nanoparticles/ # MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF POLYURETHANE ELASTOMER REINFORCED WITH CACO3 NANOPARTICLES > Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF POLYURETHANE ELASTOMER REINFORCED WITH CACO3 NANOPARTICLES Page Range: p.575-580 Author(s): Zhengping Zhao; Qiang Guo; Junzhi Qian; Guoliang Pan File size: 309K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/mechanical-properties-and-tribological-behaviour-of-polyurethane-elastomer-reinforced-with-caco3-nanoparticles/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES AND TRIBOLOGICAL BEHAVIOUR OF POLYURETHANE ELASTOMER REINFORCED WITH CACO3 NANOPARTICLES** Page Range: p.575-580 Author(s): Zhengping Zhao; Qiang Guo; Junzhi Qian; Guoliang Pan File size: 309K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101658&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** In this work polyurethane (PU) elastomers based on poly(propylene glycol), diisocyanate and 2,2-Bis (hydroxymethyl)propionic acid were synthesised. CaCO3 nanoparticles were modified through esterification to increase their interactions with the PU matrix. A series of nanocomposites from polyurethane incorporated with various low concentrations of calcium carbonate were obtained. The effects of nanoparticles content on mechanical properties and the tribological behaviour of the PU composites filled with CaCO3 nanoparticles were investigated. Investigations of the worn surfaces showed that the fillers of CaCO3 nanoparticles were able to enhance the adhesion of the transfer films to the surface of counterpart ring, so they significantly reduced the wear rate of the PU matrix. 15 Refs. --- --- Source: https://polymerjournals.com/flexed-plate-low-energy-impact-of-an-epoxy-carbon-fibre-laminate/ # FLEXED-PLATE LOW ENERGY IMPACT OF AN EPOXY-CARBON FIBRE LAMINATE > Title: FLEXED-PLATE LOW ENERGY IMPACT OF AN EPOXY-CARBON FIBRE LAMINATE Page Range: p.581-588 Author(s): Martinez A B; Xiang G; Arencon D File size: 384K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/flexed-plate-low-energy-impact-of-an-epoxy-carbon-fibre-laminate/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLEXED-PLATE LOW ENERGY IMPACT OF AN EPOXY-CARBON FIBRE LAMINATE** Page Range: p.581-588 Author(s): Martinez A B; Xiang G; Arencon D File size: 384K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101659&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** A model for predicting the contact duration, force, indentation, displacement and restitution coefficient has been developed for the low energy impact with an hemispherical tip of a composite laminated plate. The model is based in the Hertz law and the thin plate small deflection theory. The governing equations for the motion were first proposed and then solved. Several tests were conducted using two weight drop tower testers with different test geometries. Comparison between the model predictions and the experimental results shows a very good agreement between the modelled and the experimental forces, contact times, displacements, depth of penetration and restitution coefficients. 10 Refs. --- --- Source: https://polymerjournals.com/plasticising-and-stabilising-effect-of-novel-epoxidised-mee-oil-on-pvc/ # PLASTICISING AND STABILISING EFFECT OF NOVEL EPOXIDISED MEE OIL ON PVC > Title: PLASTICISING AND STABILISING EFFECT OF NOVEL EPOXIDISED MEE OIL ON PVC Page Range: p.589-600 Author(s): Gamage P K; Farid A S File size: 581K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/plasticising-and-stabilising-effect-of-novel-epoxidised-mee-oil-on-pvc/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PLASTICISING AND STABILISING EFFECT OF NOVEL EPOXIDISED MEE OIL ON PVC** Page Range: p.589-600 Author(s): Gamage P K; Farid A S File size: 581K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101660&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** The plasticising and stabilising effects of novel epoxidised Mee oil (EMO) and its derivatives on poly (vinyl chloride) were investigated. Peroxymethanoic acid was used to epoxidise Mee oil and the product was characterised by FTIR, iodine value, and oxirane content. Solubility parameter values were also determined. Plasticising effects of PVC incorporating EMO were evaluated using tensile and mechanical properties as well as FTIR. It was found that substantial levels of 100% epoxidised oil derivatives of Mee oil (E100M) could be added to PVC; typically about 50 phr E100M with 30 phr of DOP. It was observed that increasing levels of E100M with DOP enhanced the plasticising efficiency; flexibility, percentage elongation, softness, and MFI. The stability provided by EMO in terms of changes in elastic modulus during high-temperature ageing was modelled kinetically, and it was found that the kinetic model obeyed a law of the form: ln (log Ea - log E) = kt + C Activation energy values for the change in elastic modulus of PVC suggest some degree of synergism between EMO and Ca/Zn stearate system. Clearly E100M may be regarded as an effective secondary plasticiser as well as a stabiliser; perhaps more so than the other oil derivatives of Mee oil. 16 Refs. --- --- Source: https://polymerjournals.com/study-of-diffusion-performance-and-preparation-technology-of-the-coloured-pmia-fibre/ # STUDY OF DIFFUSION PERFORMANCE AND PREPARATION TECHNOLOGY OF THE COLOURED PMIA FIBRE > Title: STUDY OF DIFFUSION PERFORMANCE AND PREPARATION TECHNOLOGY OF THE COLOURED PMIA FIBRE Page Range: p.601-608 Author(s): Li-Qi Liu; Lei Chen; Zu-Ming Hu; Jun-Rong Yu; Jing-Zhu File size: 440K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/study-of-diffusion-performance-and-preparation-technology-of-the-coloured-pmia-fibre/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY OF DIFFUSION PERFORMANCE AND PREPARATION TECHNOLOGY OF THE COLOURED PMIA FIBRE** Page Range: p.601-608 Author(s): Li-Qi Liu; Lei Chen; Zu-Ming Hu; Jun-Rong Yu; Jing-Zhu File size: 440K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101661&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** Poly(m-phenylene isophthalamide) (PMIA) fibre is a kind of aromatic polyamide fibre, which can be prepared by a wet-spinning method. In this work, the process conditions of spinning influenced the performance and structure of the coloured PMIA fibre, and these conditions included spinning speed, coagulation bath, etc. Because the diffusion coefficient was associated with the performance and structure, the ratio of solvent to coagulant could explain the reason of influence of the coagulation bath on the fibre. In this study, PMIA spinning dopes with Colour Inde Blue 60 were first commixed in a pressurizer and then spun into a coagulation bath under a pressure of around 0.3 MPa. At a coagulation bath temperature of 50 degrees C, pure or dope-dyed PMIA fibres were prepared by wet spinning, and then the spun fibres were extracted by an ultrasonic oscillation method. The effect of the jet stretch ratio and the temperature and concentration of coagulation bath on the ratio of diffusion coefficient of solvent to coagulator were analysed during spinning process of dope-dyed PMIA fibres. The properties and structures of coloured PMIA fibres were characterized by SEM. Finally the optimized spinning technology of the dope-dyed PMIA fibre was obtained. 19 Refs. --- --- Source: https://polymerjournals.com/preparation-of-high-molecular-weight-polyvinyl-carbazole-polystyrene-blend-web-by-electrospinning/ # PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE)/POLYSTYRENE BLEND WEB BY ELECTROSPINNING > Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE)/POLYSTYRENE BLEND WEB BY ELECTROSPINNING Page Range: p.609-620 Author(s): Hee Sam Kim; Ki Bum Lee; Young Jae Lee; Min Jae Kim; Jin Wook Cha; Tae Hwan Oh; Seok Kyun Noh; Yong Rok Lee; Sung Soo... Canonical URL: https://polymerjournals.com/preparation-of-high-molecular-weight-polyvinyl-carbazole-polystyrene-blend-web-by-electrospinning/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE)/POLYSTYRENE BLEND WEB BY ELECTROSPINNING** Page Range: p.609-620 Author(s): Hee Sam Kim; Ki Bum Lee; Young Jae Lee; Min Jae Kim; Jin Wook Cha; Tae Hwan Oh; Seok Kyun Noh; Yong Rok Lee; Sung Soo Han; Eun Joo Shin; Yeong Soon Gal; Won Seok Lyoo File size: 840K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101662&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** To prepare fine and even poly(N-vinyl carbazole) (PVCz)/polystyrene (PS) blend webs, we performed a series of experiments varying processing parameters, including the type of solvent, PVCz/PS blend ratio, applied voltage, and tip to the collector distance (TCD). It was found that the morphology and the average diameter of PVCz/ PS blend web were strongly correlated with electrospinning conditions. The morphologies of PVCz/PS blend webs were beaded or fine fibre structures, depending on the blend ratio of PVCz and PS. Increasing content of PS in the spinning solution tended to produce higher spinnability and the average diameter of electrospun web became smaller. The average diameter of the PVCz/PS blend web was slightly decreased with increasing applied voltage. In the case of TCDs, there was no significant effect on the PVCz/PS blend web morphologies but on increasing the TCD, the average diameter of the PVCz/PS blend webs slightly decreased. 15 Refs. --- --- Source: https://polymerjournals.com/fabrication-and-characterization-of-pva-spi-sio2-hybrid-fibres-via-electrospinning-technique/ # FABRICATION AND CHARACTERIZATION OF PVA/SPI/SIO2 HYBRID FIBRES VIA ELECTROSPINNING TECHNIQUE > Title: FABRICATION AND CHARACTERIZATION OF PVA/SPI/SIO2 HYBRID FIBRES VIA ELECTROSPINNING TECHNIQUE Page Range: p.621-628 Author(s): Hualin Wang; Qin Jiang; Suwei Jiang; Shaotong Jiang File size: 437K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/fabrication-and-characterization-of-pva-spi-sio2-hybrid-fibres-via-electrospinning-technique/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FABRICATION AND CHARACTERIZATION OF PVA/SPI/SIO2 HYBRID FIBRES VIA ELECTROSPINNING TECHNIQUE** Page Range: p.621-628 Author(s): Hualin Wang; Qin Jiang; Suwei Jiang; Shaotong Jiang File size: 437K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101663&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** In this work, an electrospinning technique was developed for the fabrication of poly(vinyl alcohol) (PVA)/soy protein isolate (SPI) /SiO2 hybrid fibres with PVA, SPI and tetraethyl orthosilicate (TEOS) as precursors. The effects of SiO2 content, sodium dodecylsulphate and electrospinning electrical field strength on the morphology and structure of the hybrid fibres were investigated. Scanning electron microscopy (SEM) showed that uniform hybrid fibres about 200 nm in diameter were obtained at a weight ratio of PVA to SPI 8:2, SiO2 content 5.0 wt.%, sodium dodecylsulphate 0.6 wt.% and electrical field strength 0.90 kV cm-1. X-ray diffraction (XRD) patterns showed that the crystalline structure of PVA was somewhat destroyed as PVA was hybridized with SPI and SiO2, and further destroyed under electrospinning process as the stretched molecular chains of the fibre solidified rapidly at high elongation rates, resulting in the amorphism of PVA/SPI/SiO2 hybrid fibres. Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) showed that the components of PVA, SPI and SiO2 nanoparticles were linked by hydrogen bonds or Si-O-C bonds in the hybrid fabric networks. Differential scanning calorimetry (DSC) tests showed that the presence of SiO2 nanoparticles considerably improved the thermal stability of the hybrid fibres. Therefore, the PVA/SPI/SiO2 hybrid fibres may have potential as a new fibre in dressings, tissue engineering or drug delivery. 30 Refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-evaluation-of-an-epoxy-resin-toughened-by-a-combination-of-reactive-polyester-and-kaolin/ # PREPARATION AND PROPERTIES EVALUATION OF AN EPOXY RESIN TOUGHENED BY A COMBINATION OF REACTIVE POLYESTER AND KAOLIN > Title: PREPARATION AND PROPERTIES EVALUATION OF AN EPOXY RESIN TOUGHENED BY A COMBINATION OF REACTIVE POLYESTER AND KAOLIN Page Range: p.629-639 Author(s): Bakar M; Bialkowska A; Rudecka J; Bachan D File size: 390K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/preparation-and-properties-evaluation-of-an-epoxy-resin-toughened-by-a-combination-of-reactive-polyester-and-kaolin/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES EVALUATION OF AN EPOXY RESIN TOUGHENED BY A COMBINATION OF REACTIVE POLYESTER AND KAOLIN** Page Range: p.629-639 Author(s): Bakar M; Bialkowska A; Rudecka J; Bachan D File size: 390K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101664&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** The present work investigates the effect of reactive polyester and kaolin on the mechanical and adhesive properties of brittle epoxy resin. The impact strength (IS), flexural strength and critical stress intensity factor (KC), as well as the adhesive strength under tensile and impact conditions, were evaluated as functions of the modifier content. The results obtained showed an improvement in the impact strength and flexural strength as well as adhesive strength under impact and tensile conditions due to kaolin and polyester addition. However, the flexural modulus decreased with the polyester and increased with the kaolin content. Hybrid compositions containing 30 wt.% of polyester and 30 wt.% of kaolin showed enhanced tensile adhesive strength as well as impact adhesive strength in comparison to the virgin epoxy resin, exhibiting a synergic effect. SEM micrographs confirmed the presence of a regular and homogeneous stratified structure with particles embedded in the polymer matrix, explaining the improvement of mechanical properties. 25 Refs. --- --- Source: https://polymerjournals.com/preparation-of-nanocomposites-based-on-ldpe-perlite-mechanical-and-morphological-studies/ # PREPARATION OF NANOCOMPOSITES BASED ON LDPE/PERLITE: MECHANICAL AND MORPHOLOGICAL STUDIES > Title: PREPARATION OF NANOCOMPOSITES BASED ON LDPE/PERLITE: MECHANICAL AND MORPHOLOGICAL STUDIES Page Range: p.639-646 Author(s): Sahraeian R; Hashemi S A; Esfandeh M; Ghasemi I File size: 348K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-of-nanocomposites-based-on-ldpe-perlite-mechanical-and-morphological-studies/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF NANOCOMPOSITES BASED ON LDPE/PERLITE: MECHANICAL AND MORPHOLOGICAL STUDIES** Page Range: p.639-646 Author(s): Sahraeian R; Hashemi S A; Esfandeh M; Ghasemi I File size: 348K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101665&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** Perlite nano-particles were prepared through a mechanical grinding process and surface-modified by poly(methyl hydrogen siloxane) (PMHS). Nanocomposites based on low-density polyethylene (LDPE) and different compositions of treated and untreated nano particles were prepared via melt mixing of the ingredients on a corotating twin screw extruder. Laser light-scattering (LLS) was used to analyse the mean particle size of the nano perlite while Fourier-transform infrared spectroscopy (FTIR) was employed to investigate surface modification of the particles. Scanning electron microscopy (SEM) was used to evaluate the dispersion status of the nano particles in the polymer matrix. Results indicated a relatively good dispersion of the particles (50-500 nm in size) within the LDPE matrix. Mechanical measurements showed remarkable increases in tensile strength and modulus of the nanocomposites containing surface modified perlite, compared to the neat polymer. Also, flexural strength and modulus were increased with increasing nano perlite, while impact properties were reduced. 23 Refs. --- --- Source: https://polymerjournals.com/effect-of-electron-beam-irradiation-on-the-mechanical-thermal-and-dynamic-mechanical-behaviour-of-waste-polyethylene-short-pet-fibre-composites/ # EFFECT OF ELECTRON BEAM IRRADIATION ON THE MECHANICAL, THERMAL AND DYNAMIC MECHANICAL BEHAVIOUR OF WASTE POLYETHYLENE-SHORT PET FIBRE COMPOSITES > Title: EFFECT OF ELECTRON BEAM IRRADIATION ON THE MECHANICAL, THERMAL AND DYNAMIC MECHANICAL BEHAVIOUR OF WASTE POLYETHYLENE-SHORT PET FIBRE COMPOSITES Page Range: p.647-658 Author(s): Sukanya Satapathy; Nag A; Golok Bihari Nando File size: 500K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-electron-beam-irradiation-on-the-mechanical-thermal-and-dynamic-mechanical-behaviour-of-waste-polyethylene-short-pet-fibre-composites/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF ELECTRON BEAM IRRADIATION ON THE MECHANICAL, THERMAL AND DYNAMIC MECHANICAL BEHAVIOUR OF WASTE POLYETHYLENE-SHORT PET FIBRE COMPOSITES** Page Range: p.647-658 Author(s): Sukanya Satapathy; Nag A; Golok Bihari Nando File size: 500K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101666&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** Electron beam irradiation of short PET fibre-reinforced waste polyethylene, virgin high density polyethylene and blends of waste polyethylene/high density polyethylene in the ratio 50:50 was carried out to study the effects on their physico-mechanical, thermal and dynamic mechanical properties. For comparison short PET fibres alone were irradiated with electron beam, and composites were also prepared with waste polyethylene, high density polyethylene and blends of waste polyethylene with high density polyethylene. Only a single proportion of the PET fibre was used, i.e. 50% by weight, and the dosage of the electron beam was 250 kGy. The results embodied in this paper showed that the tensile strength, flexural strength, flexural modulus, hardness increased with no change in elongation at break when the composites were subjected to the electron beam. The results obtained were confirmed by scanning electron microscopy and thermogravimetric analysis. Dynamic mechanical properties were also measured for suggesting utilisation of these composites for commercial applications. 12 Refs. --- --- Source: https://polymerjournals.com/density-and-water-absorption-of-sugarcane-bagasse-filled-polyvinyl-chloride-composites/ # DENSITY AND WATER ABSORPTION OF SUGARCANE BAGASSE-FILLED POLY(VINYL CHLORIDE) COMPOSITES > Title: DENSITY AND WATER ABSORPTION OF SUGARCANE BAGASSE-FILLED POLY(VINYL CHLORIDE) COMPOSITES Page Range: p.659-664 Author(s): Riza Wirawan; SM Sapuan; Robiah Yunus; Khalina Abdan File size: 303K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/density-and-water-absorption-of-sugarcane-bagasse-filled-polyvinyl-chloride-composites/ Published: 2012-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DENSITY AND WATER ABSORPTION OF SUGARCANE BAGASSE-FILLED POLY(VINYL CHLORIDE) COMPOSITES** Page Range: p.659-664 Author(s): Riza Wirawan; SM Sapuan; Robiah Yunus; Khalina Abdan File size: 303K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-7&JournalID=101667&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.7 **Abstract** Sugarcane bagasse is divided into two main components, pith and rind, with 'pith' representing the inner part of the sugarcane bagasse and 'rind' the outer part. In this study, both part of bagasse and were used separately as a filler in poly(vinyl chloride) to construct a natural fibre thermoplastic composite. The bagasse incorporated in poly(vinyl chloride) using internal mixer followed by hot-pressing to obtain a plate of sugarcane bagasse/ PVC composite with various filler loading (10%, 20%, 30%, and 40% in weight). Density of the composites was determined and the composites were subjected to water immersion tests in order to study the effect of filler loading and fibre source on the density and water absorption behaviour. It was observed that the physical properties were influenced significantly by both fibre source and fibre content. 13 Refs. --- --- Source: https://polymerjournals.com/tensile-properties-of-polymer-samples-containing-millimetre-scale-silicon-microchips/ # TENSILE PROPERTIES OF POLYMER SAMPLES CONTAINING MILLIMETRE SCALE SILICON MICROCHIPS > Title: TENSILE PROPERTIES OF POLYMER SAMPLES CONTAINING MILLIMETRE SCALE SILICON MICROCHIPS Page Range: p.505-516 Author(s): Kolonko A M; Metje N; Chapman D N; Kukureka S N File size: 354K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/tensile-properties-of-polymer-samples-containing-millimetre-scale-silicon-microchips/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE PROPERTIES OF POLYMER SAMPLES CONTAINING MILLIMETRE SCALE SILICON MICROCHIPS** Page Range: p.505-516 Author(s): Kolonko A M; Metje N; Chapman D N; Kukureka S N File size: 354K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101651&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** In order to produce monitoring systems for polyethylene pipes, one option is to distribute sensors within the plastic matrix. Currently, no information is available on the effects of small, individual sensors on the structural integrity of polyethylene pipes if these are embedded in the pipe wall. In order to assess the influence of these sensors, small samples were subjected to tensile tests with different sizes and shapes of microchips investigated at different positions and orientations. It was discovered that a square microchip improves the stiffness the most but reduces the ductility of the sample the most, while a microchip with the same area, but of circular shape also acts as reinforcement when its volume is sufficiently large relative to the volume of the polymer matrix, causing the smallest reduction in ductility. The optimal microchip orientation is parallel to the tension direction. 25 Refs. --- --- Source: https://polymerjournals.com/rheology-flexure-and-thermomechanical-characterization-of-epoxy-cnf-nanocomposites-effect-of-dispersion-techniques/ # RHEOLOGY, FLEXURE AND THERMOMECHANICAL CHARACTERIZATION OF EPOXY/CNF NANOCOMPOSITES: EFFECT OF DISPERSION TECHNIQUES > Title: RHEOLOGY, FLEXURE AND THERMOMECHANICAL CHARACTERIZATION OF EPOXY/CNF NANOCOMPOSITES: EFFECT OF DISPERSION TECHNIQUES Page Range: p.517-530 Author(s): Mahesh Hosur; Rajib Barua; Shaik Zainuddin; Ashok Kumar; Trovillion J; Jeelani S File size: 879K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/rheology-flexure-and-thermomechanical-characterization-of-epoxy-cnf-nanocomposites-effect-of-dispersion-techniques/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGY, FLEXURE AND THERMOMECHANICAL CHARACTERIZATION OF EPOXY/CNF NANOCOMPOSITES: EFFECT OF DISPERSION TECHNIQUES** Page Range: p.517-530 Author(s): Mahesh Hosur; Rajib Barua; Shaik Zainuddin; Ashok Kumar; Trovillion J; Jeelani S File size: 879K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101652&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** The aim of this study is to investigate the optimum technique to disperse vapour grown carbon nanofibres (VGCNFs) in SC-1 epoxy uniformly and to evaluate their effect on the performance of SC-1 epoxy. In this study, ultrasonication and Thinky mixing methods were used either in isolation or in combination with 3-roll shear mixing. To achieve better dispersion, VGCNF was tested either by mixing with SC-1 resin directly or premixed with a solvent and then mixed with SC-1 resin after evaporating the solvent. Flexural tests were performed to evaluate mechanical performances, and the results exhibited 25.60% and 8.88% improvement of flexural strength and modulus, respectively over neat epoxy with only 0.2 wt.% loading. Dynamic Mechanical Analysis (DMA), Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA) indicated improvement in storage modulus, Tg, inflection temperature and residue content respectively over neat SC-1 epoxy. The high viscosity found by rheological analysis prevents their ubiquitous use in fibre reinforced composites. Thermal and mechanical properties at higher loading conditions were seen either to reduce or not significantly improve. These results indicate that the methods used for dispersion are suitable for low weight percent loading only.36 Refs. --- --- Source: https://polymerjournals.com/in-vitro-response-of-fibroblasts-to-poly-l-lactide-composite-materials-containing-bovine-bone/ # IN-VITRO RESPONSE OF FIBROBLASTS TO POLY-L-LACTIDE COMPOSITE MATERIALS CONTAINING BOVINE BONE > Title: IN-VITRO RESPONSE OF FIBROBLASTS TO POLY-L-LACTIDE COMPOSITE MATERIALS CONTAINING BOVINE BONE Page Range: p.531-536 Author(s): Zeqiang He; Lizhi Xiong File size: 328K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20... Canonical URL: https://polymerjournals.com/in-vitro-response-of-fibroblasts-to-poly-l-lactide-composite-materials-containing-bovine-bone/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IN-VITRO RESPONSE OF FIBROBLASTS TO POLY-L-LACTIDE COMPOSITE MATERIALS CONTAINING BOVINE BONE** Page Range: p.531-536 Author(s): Zeqiang He; Lizhi Xiong File size: 328K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101653&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** This study aimed to investigate the interaction between fibroblastic cells and poly-L-lactide (PLLA) composite film containing bovine bone. The effects of PLLA/bovine bone on cell cytotoxicity, attachment, proliferation and differentiation of fibroblasts in-vitro were investigated. The results of cytotoxicity tests showed that cells cultured in extracts of PLLA/bovine bone and on the surface of composites showed normal growth and proliferation, and mineralisation nodules were observed for fibroblasts cultured in PLLA/bovine bone extract at day 7 by using von Kossa staining and tetracycline staining. Compared with pure PLLA materials, bovine bone in the PLLA composites facilitated both adhesion and proliferation of rat fibroblasts on the PLLA/bovine bone composite film. In conclusion, these results suggest that the introduction of bovine bone may improve the cell response involved in the osteogenesis and thus may be beneficial to further modify poly-L-lactide as a better bone repairing material. 15 Refs. --- --- Source: https://polymerjournals.com/thermal-and-gas-barrier-properties-of-coc-sio2-nanocomposites/ # THERMAL AND GAS BARRIER PROPERTIES OF COC/SIO2 NANOCOMPOSITES > Title: THERMAL AND GAS BARRIER PROPERTIES OF COC/SIO2 NANOCOMPOSITES Page Range: p.537-544 Author(s): Cheng-Fang Ou; Po-Hung Shen File size: 387K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6... Canonical URL: https://polymerjournals.com/thermal-and-gas-barrier-properties-of-coc-sio2-nanocomposites/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL AND GAS BARRIER PROPERTIES OF COC/SIO2 NANOCOMPOSITES** Page Range: p.537-544 Author(s): Cheng-Fang Ou; Po-Hung Shen File size: 387K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101654&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** This study is performed primarily to investigate the effects of chemical modification on silica surface and the silica content on the thermal and gas barrier properties of a cyclo olefin copolymer (COC) matrix. The COC/ SiO2 nanocomposites were constructed from COC and three species of SiO2 nanoparticles (AEROSIL A200, R805 and R974) with different organic groups, prepared by solution blending. The thermal properties of the composites were studied by DSC and TGA. The gas barrier properties of the composites were characterized by use of a gas permeability analyzer. The glass transition temperature (Tg) and decomposition temperature (Td) of these composites increased obviously with the silica content ranging from 0.5 to 10 wt.%. The composite with 10 wt.% R805 exhibited the highest Tg, which was 14.1 degrees C higher than that of pure COC. The water and oxygen permeability decreased with increasing the content of SiO2. The composites with 10 wt.% R974 had the minimum values of water and oxygen permeability and were 32% and 36% lower than those of pure COC, respectively. The dispersion of these silica particles in the COC matrix was made by SEM and consideration was given to the relationship between the modified silica surface and the COC matrix, and thermal properties and gas barrier properties. 33 Refs. --- --- Source: https://polymerjournals.com/polyvinyl-alcohol-engineered-cementitious-composite-pva-ecc-for-the-interfacial-bond-behaviour-of-glass-fibre-reinforced-polymer-bars-gfrp/ # POLYVINYL ALCOHOL ENGINEERED CEMENTITIOUS COMPOSITE (PVA-ECC) FOR THE INTERFACIAL BOND BEHAVIOUR OF GLASS FIBRE REINFORCED POLYMER BARS (GFRP) > Title: POLYVINYL ALCOHOL ENGINEERED CEMENTITIOUS COMPOSITE (PVA-ECC) FOR THE INTERFACIAL BOND BEHAVIOUR OF GLASS FIBRE REINFORCED POLYMER BARS (GFRP) Page Range: p.545-558 Author(s): Kim B; Lee J-Y File size: 549K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/polyvinyl-alcohol-engineered-cementitious-composite-pva-ecc-for-the-interfacial-bond-behaviour-of-glass-fibre-reinforced-polymer-bars-gfrp/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYVINYL ALCOHOL ENGINEERED CEMENTITIOUS COMPOSITE (PVA-ECC) FOR THE INTERFACIAL BOND BEHAVIOUR OF GLASS FIBRE REINFORCED POLYMER BARS (GFRP)** Page Range: p.545-558 Author(s): Kim B; Lee J-Y File size: 549K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101655&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** This paper presents experimental investigations of the interfacial bond behaviour of different types of rebar (steel, sand-coated GFRP, and helically-wrapped GFRP bars) and cementitious composites with and without polyvinyl alcohol (PVA) fibre. A total of 27 cubic specimens were prepared, and different PVA fibre volume fractions of 0%, 1% and 2% were added. The effects of PVA fibre on the compressive strength and interfacial bond strength were not significant. However, PVA fibre in engineered cementitious composites apparently changed the failure mechanisms during the pullout of both the steel and the helically-wrapped GFRP bars. The increase in PVA fibre volume fraction significantly improved the ductility of the matrix. Specifically, the helically-wrapped GFRP bar demonstrated the greatest improvement in ductility, while the sand-coated GFRP bar resulted in frictional pullout of the rebar due to the complete slip failure of the resin, regardless of the fibre content. Finally, the application of PVA-ECC to the helically-wrapped GFRP bar was found to be effective as replacement for steel rebar with respect to the ductility of the interfacial bond. 24 Refs. --- --- Source: https://polymerjournals.com/effect-of-polypropylene-grafted-maleic-anhydride-compatibilizer-on-the-physical-properties-of-polypropylene-carbon-nanotube-composites/ # EFFECT OF POLYPROPYLENE-GRAFTED-MALEIC ANHYDRIDE COMPATIBILIZER ON THE PHYSICAL PROPERTIES OF POLYPROPYLENE/CARBON NANOTUBE COMPOSITES > Title: EFFECT OF POLYPROPYLENE-GRAFTED-MALEIC ANHYDRIDE COMPATIBILIZER ON THE PHYSICAL PROPERTIES OF POLYPROPYLENE/CARBON NANOTUBE COMPOSITES Page Range: p.559-566 Author(s): Hemmati M; Shariatpanahi H; Ghorbanzadeh Ahangari M; Fereidoon A; Narimani A File size: 406K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-polypropylene-grafted-maleic-anhydride-compatibilizer-on-the-physical-properties-of-polypropylene-carbon-nanotube-composites/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF POLYPROPYLENE-GRAFTED-MALEIC ANHYDRIDE COMPATIBILIZER ON THE PHYSICAL PROPERTIES OF POLYPROPYLENE/CARBON NANOTUBE COMPOSITES** Page Range: p.559-566 Author(s): Hemmati M; Shariatpanahi H; Ghorbanzadeh Ahangari M; Fereidoon A; Narimani A File size: 406K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101656&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** The mechanical, rheological, morphological and thermal properties of a polypropylene (PP) matrix reinforced with single-walled nanotubes (SWNTs) and poly(propylene-grafted-maleic acid) (PP-g-MA) content were investigated by melt processing. PP-g-MA was used as a compatibiliser to promote carbon nanotube dispersion. Compared to uncompatibilised PP/SWNT nanocomposites, the tensile modulus of the material increased considerably when nanotubes and compatibiliser were employed. Furthermore, the Izod impact strength and tensile strength improved when 0.5 wt.% SWNTs and 1 wt.% PP-g-MA were added to the PP matrix. The rheological characterisation results revealed that addition of SWNTs increased the storage modulus and complex viscosity at low frequencies. When PP-g-MA was introduced, the complex viscosity and storage modulus further increased. Scanning electron microscopy revealed that the SWNTs were uniformly distributed when low concentrations of SWNTs were employed. In addition, the dispersion and adhesion between SWNTs and the PP matrix were improved when 0.5 wt.% SWNTs and 1 wt.% PP-g-MA were added. The results of differential scanning calorimetry indicated that the addition of SWNTs increased the crystallinity of PP/SWNT nanocomposites. 38 Refs. --- --- Source: https://polymerjournals.com/screening-the-viability-of-roselle-graft-copolymers/ # SCREENING THE VIABILITY OF ROSELLE GRAFT-COPOLYMERS > Title: SCREENING THE VIABILITY OF ROSELLE GRAFT-COPOLYMERS Page Range: p.567-574 Author(s): Ashish Chauhan; Balbir Kaith File size: 377K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 Abstract In... Canonical URL: https://polymerjournals.com/screening-the-viability-of-roselle-graft-copolymers/ Published: 2012-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SCREENING THE VIABILITY OF ROSELLE GRAFT-COPOLYMERS** Page Range: p.567-574 Author(s): Ashish Chauhan; Balbir Kaith File size: 377K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-6&JournalID=101657&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.6 **Abstract** In this paper, graft-copolymerization of Hibiscus sabdariffa (Roselle) using methyl acrylate (MA) as principal monomer and 4-vinyl pyridine (4-VP) as secondary monomer, using ceric ammonium nitrate - nitric acid initiator system in binary vinyl monomeric mixture, has been reported. Different optimized reaction parameters such as temperature, time, initiator concentration, monomer concentration and pH were used to obtain the maximum graft yield and then to explore its change on properties and behaviour of the fibre. The graft copolymer were characterized by FTIR, SEM, XRD, TGA and DTA techniques and evaluated for swelling behaviour, chemical resistance, moisture absorbance and dye-uptake behaviour, keeping in view the use of these advanced graft copolymers for scientific and industrial application. 26 Refs. --- --- Source: https://polymerjournals.com/induction-heating-of-thermoplastic-materials-by-particulate-heating-promoters/ # INDUCTION HEATING OF THERMOPLASTIC MATERIALS BY PARTICULATE HEATING PROMOTERS > Title: INDUCTION HEATING OF THERMOPLASTIC MATERIALS BY PARTICULATE HEATING PROMOTERS Page Range: p.333-342 Author(s): Bayerl T; Schledjewski R; Mitschang P File size: 635K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20... Canonical URL: https://polymerjournals.com/induction-heating-of-thermoplastic-materials-by-particulate-heating-promoters/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INDUCTION HEATING OF THERMOPLASTIC MATERIALS BY PARTICULATE HEATING PROMOTERS** Page Range: p.333-342 Author(s): Bayerl T; Schledjewski R; Mitschang P File size: 635K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101614&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** Induction heating is a fast and selective heating method, which can also be applied to polymeric materials, even though these materials do not offer the required electrical or ferromagnetic properties. To compensate for this deficiency, polymeric matrixes (high density polyethylene and polyamide 6) were compounded with various ferromagnetic and electrically conductive particles. The experimental series included induction heating experiments of compounds with different particle materials and variable filler grades at two distinct frequency levels (430 kHz and 2500 kHz). A mechanical characterisation of the compounds was performed to identify the influence of the particles on matrix properties. The heating experiments showed a significant temperature rise of the particle doped materials, when they were exposed to an alternating magnetic field. The temperature rise was observed with plates as well as with pellets. The heating effect was found to be dependent on the frequency and the particle material. The best results were obtained from ferromagnetic particles like iron and magnetite, whereas for example non-ferromagnetic carbon black could only be activated in pellet-shape at high magnetic field strength. To reach the melting temperature of the polymer within a maximum time frame of three minutes, the filler content of specific particles could be as low as 5 wt.%. The mechanical properties of the materials, such as tensile strength and stiffness were influenced only marginally, while the impact strength was reduced by the particles by up to 25%. 20 Refs. --- --- Source: https://polymerjournals.com/effects-of-functionalisation-on-curing-and-decomposition-behaviour-of-epoxy-mwcnt-nanocomposites/ # EFFECTS OF FUNCTIONALISATION ON CURING AND DECOMPOSITION BEHAVIOUR OF EPOXY-MWCNT NANOCOMPOSITES > Title: EFFECTS OF FUNCTIONALISATION ON CURING AND DECOMPOSITION BEHAVIOUR OF EPOXY-MWCNT NANOCOMPOSITES Page Range: p.343-352 Author(s): Theodore M; Mahesh Hosur; Thomas J; Shaik Jeelani File size: 642K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/effects-of-functionalisation-on-curing-and-decomposition-behaviour-of-epoxy-mwcnt-nanocomposites/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF FUNCTIONALISATION ON CURING AND DECOMPOSITION BEHAVIOUR OF EPOXY-MWCNT NANOCOMPOSITES** Page Range: p.343-352 Author(s): Theodore M; Mahesh Hosur; Thomas J; Shaik Jeelani File size: 642K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101615&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** Cure kinetics and decomposition behaviour of a two part epoxy resin system, Epon 862, reinforced with 1 wt.% unmodified, oxidised (MWCNT-COOH) and fluorinated (MWCNT-F) multi-walled carbon nanotubes have been studied through dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) at different conversion levels. Functionalised MWCNTs have disturbed the curing/decomposition behaviour, crosslink density, and the interactions between individual phases in the composite systems thus altering cure kinetics parameters like degree of conversion, activation energy, rate of reaction, enthalpy change, percentage conversion, which were determined using Arrhenius theory. 29 Refs. --- --- Source: https://polymerjournals.com/comparison-of-polyimide-composites-with-non-covalent-modified-and-acid-modified-multi-wall-carbon-nanotube/ # COMPARISON OF POLYIMIDE COMPOSITES WITH NON-COVALENT MODIFIED AND ACID MODIFIED MULTI-WALL CARBON NANOTUBE > Title: COMPARISON OF POLYIMIDE COMPOSITES WITH NON-COVALENT MODIFIED AND ACID MODIFIED MULTI-WALL CARBON NANOTUBE Page Range: p.353-358 Author(s): Shang-Chih Chou; Yao-Yi Cheng File size: 378K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/comparison-of-polyimide-composites-with-non-covalent-modified-and-acid-modified-multi-wall-carbon-nanotube/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARISON OF POLYIMIDE COMPOSITES WITH NON-COVALENT MODIFIED AND ACID MODIFIED MULTI-WALL CARBON NANOTUBE** Page Range: p.353-358 Author(s): Shang-Chih Chou; Yao-Yi Cheng File size: 378K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101616&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** In this study, it was attempted to increase the electrical conductivity of polyimide (PI) by adding multi-wall carbon nanotubes (MWNT), mainly because the high aspect ratio carbon nanotubes can reduce resistance and enhance antistatic ability to meet electrostatic charge (ESC) criteria of polymer hybrid films. MWNT were modified successfully with a sodium salt of 6-aminohexanoic acid (Na-AHA), which has been verified by FTIR and TEM observations. During the blending process, the PI/MWNT composites thus produced were compared with unmodified MWNT to study the miscibility and interaction among the components. The homogeneous dispersion of the non-covalently modified MWNT (Na-AHA-CNT) promoted the thermal and electrical conductivity properties of PI composite films. The results are compared with those of PI composites with acid modified and unmodified MWNT. 30 Refs. --- --- Source: https://polymerjournals.com/effect-of-the-extrusion-process-on-the-morphology-and-electrical-conductivity-of-injection-moulded-polypropylene-hdpe-carbon-black-composites/ # EFFECT OF THE EXTRUSION PROCESS ON THE MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF INJECTION-MOULDED POLYPROPYLENE/HDPE/CARBON BLACK COMPOSITES > Title: EFFECT OF THE EXTRUSION PROCESS ON THE MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF INJECTION-MOULDED POLYPROPYLENE/HDPE/CARBON BLACK COMPOSITES Page Range: p.359-366 Author(s): Zheng-Ying Liu; Yong-Juan Gao; Chao-Lu Yin; Shi-Lin Huang; Ming-Bo Yang File size: 465K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-the-extrusion-process-on-the-morphology-and-electrical-conductivity-of-injection-moulded-polypropylene-hdpe-carbon-black-composites/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF THE EXTRUSION PROCESS ON THE MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF INJECTION-MOULDED POLYPROPYLENE/HDPE/CARBON BLACK COMPOSITES** Page Range: p.359-366 Author(s): Zheng-Ying Liu; Yong-Juan Gao; Chao-Lu Yin; Shi-Lin Huang; Ming-Bo Yang File size: 465K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101617&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** In this work, isotactic polypropylene (iPP)/high density polyethylene (HDPE) composites filled with carbon black (CB) were prepared by the mild compounding method and the common melt-mixing method. The selective distribution of CB particles in the immiscible iPP/PE blends was determined by the interfacial tensions, but the morphologies of the polyblends strongly depended on the compounding method. The mild compounding method strongly affected PE phases to form triple phase morphology in the composites, which inhibited effective conductivity network formation in the low CB content range. A skin-core structure of the iPP/HDPE/CB composite, prepared by the common melt-mixing process, was present when an effective conductivity network was obtained, and a co-continuous structure of the iPP/HDPE matrix is not necessary. 28 Refs. --- --- Source: https://polymerjournals.com/well-aligned-zno-nanotube-polyaniline-photocatalysts-for-enhanced-photocatalytic-performances/ # WELL-ALIGNED ZNO NANOTUBE/POLYANILINE PHOTOCATALYSTS FOR ENHANCED PHOTOCATALYTIC PERFORMANCES > Title: WELL-ALIGNED ZNO NANOTUBE/POLYANILINE PHOTOCATALYSTS FOR ENHANCED PHOTOCATALYTIC PERFORMANCES Page Range: p.367-376 Author(s): Lin Lin; Qingsheng Wu File size: 449K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4... Canonical URL: https://polymerjournals.com/well-aligned-zno-nanotube-polyaniline-photocatalysts-for-enhanced-photocatalytic-performances/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: WELL-ALIGNED ZNO NANOTUBE/POLYANILINE PHOTOCATALYSTS FOR ENHANCED PHOTOCATALYTIC PERFORMANCES** Page Range: p.367-376 Author(s): Lin Lin; Qingsheng Wu File size: 449K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101618&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** A well-aligned ZnO nanotube array has been successfully synthesised without depositing a layer of ZnO seeds, for the first time, on a glass substrate by a hydrothermal reaction. Subsequently, the oriented ZnO nanotube array was integrated with polyaniline (PANi) to form hybrid ZnO nanotube/PANi photocatalysts, which showed excellent photocatalytic activity for the photodegradation of Rhodamine B (RB). It was found that the photocatalytic performance under ultraviolet and visible light irradiation depended on the doping level of PANi. An investigation of photodegradation kinetics of RB indicated that the photocatalytic process showed first-order kinetics. The photodegradation mechanisms of RB dye under ultraviolet and visible light irradiation were also investigated. 42 Refs. --- --- Source: https://polymerjournals.com/improved-conductivity-of-polysaccharide-co-polyacrylate-polyaniline-conducting-hydrogels/ # IMPROVED CONDUCTIVITY OF POLYSACCHARIDE-CO-POLYACRYLATE/POLYANILINE CONDUCTING HYDROGELS > Title: IMPROVED CONDUCTIVITY OF POLYSACCHARIDE-CO-POLYACRYLATE/POLYANILINE CONDUCTING HYDROGELS Page Range: p.377-386 Author(s): Lin Lin; Qingsheng Wu File size: 447K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 Abstract In... Canonical URL: https://polymerjournals.com/improved-conductivity-of-polysaccharide-co-polyacrylate-polyaniline-conducting-hydrogels/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPROVED CONDUCTIVITY OF POLYSACCHARIDE-CO-POLYACRYLATE/POLYANILINE CONDUCTING HYDROGELS** Page Range: p.377-386 Author(s): Lin Lin; Qingsheng Wu File size: 447K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101619&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** In this article, three families of polysaccharide-co-polyacrylate copolymer hydrogels were synthesised by free radical polymerisation. The water absorbencies of the starch-co-polyacrylate, alginate-co-polyacrylate and chitosan-co-polyacrylate hydrogels were 1170, 1190 and 1350 g/g, respectively. The influences of crosslinker, initiator, neutralisation degree, monomer concentration and the polysaccharide dosage on the water absorbency of the hydrogels were thoroughly investigated. The molecular structures, thermal stability and morphology of the copolymer hydrogels were characterized by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). To improve the conductivity, polysaccharide-co-polyacrylate/polyaniline conducting hydrogels with interpenetrating network structures were produced by in-situ polyaniline of aniline based on the high water absorbency of the copolymer hydrogels. The novel conducting hydrogels present good electrical and electrochemical behaviour, which makes them potentially useful in supercapacitors, biosensors, bioelectronics, solar cells and memory devices. 23 Refs. --- --- Source: https://polymerjournals.com/instability-of-the-performances-of-frp-composites-implemented-in-civil-engineering-environment-experimental-study-and-durability-implications/ # INSTABILITY OF THE PERFORMANCES OF FRP COMPOSITES IMPLEMENTED IN CIVIL ENGINEERING ENVIRONMENT: EXPERIMENTAL STUDY AND DURABILITY IMPLICATIONS > Title: INSTABILITY OF THE PERFORMANCES OF FRP COMPOSITES IMPLEMENTED IN CIVIL ENGINEERING ENVIRONMENT: EXPERIMENTAL STUDY AND DURABILITY IMPLICATIONS Page Range: p.387-398 Author(s): Marouani S; Curtil L; Hamelin P File size: 440K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/instability-of-the-performances-of-frp-composites-implemented-in-civil-engineering-environment-experimental-study-and-durability-implications/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INSTABILITY OF THE PERFORMANCES OF FRP COMPOSITES IMPLEMENTED IN CIVIL ENGINEERING ENVIRONMENT: EXPERIMENTAL STUDY AND DURABILITY IMPLICATIONS** Page Range: p.387-398 Author(s): Marouani S; Curtil L; Hamelin P File size: 440K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101620&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** Various aspects related to the durability of Fibre Reinforced Polymer (FRP) composites used in the rehabilitation, repair and strengthening of existing concrete structures were studied as a function of cure behaviour. The performance of these FRP-composites containing thermoset matrix and implemented under civil engineering conditions, is unstable and their properties will change over time due to their partial cure. The present work attempts to raise awareness about the characteristic changes of FRP-composites materials immediately after their ambient cure, while emphasizing the implication of such phenomena on the durability. Both glass transition temperature Tg and mechanical characterisation tests were performed to identify the effects of curing on thermorheological and mechanical stability of the composites immediately after the implementation. The experimental results indicate that overall composite performance was sensitive to the cure conditions. The implication of this sensitivity on the durability of FRP-composites was addressed and clearly identified through accelerated and natural exposure tests which reflected the civil engineering environment. 46 Refs. --- --- Source: https://polymerjournals.com/flame-retardancy-and-non-isothermal-crystallization-behaviour-of-pet-tio2-nanocomposites/ # FLAME RETARDANCY AND NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF PET/TIO2 NANOCOMPOSITES > Title: FLAME RETARDANCY AND NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF PET/TIO2 NANOCOMPOSITES Page Range: p.399-406 Author(s): Jianjun Zhang; Quan Ji; Xiuhong Shen; Yanzhi Xia; Liwen Tan; Fengjun Wang; Qingshan Kong File size: 392K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/flame-retardancy-and-non-isothermal-crystallization-behaviour-of-pet-tio2-nanocomposites/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLAME RETARDANCY AND NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOUR OF PET/TIO2 NANOCOMPOSITES** Page Range: p.399-406 Author(s): Jianjun Zhang; Quan Ji; Xiuhong Shen; Yanzhi Xia; Liwen Tan; Fengjun Wang; Qingshan Kong File size: 392K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101621&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** Titanium dioxide particles (TiO2) have been melt-compounded with poly(ethylene terephthalate) (PET) by using a twin-screw extruder to prepare PET/TiO2 nanocomposites. The flame retardancy and non-isothermal crystallisation behaviour of PET and PET/TiO2 nanocomposites have been studied using several techniques. The effects of TiO2 on the combustion behaviour of PET/TiO2 nanocomposites were analyzed by CONE and SEM. The results showed that the HRR, THR and TSR of nanocomposites was reduced significantly. The char residues were examined using scanning electron microscopy, indicating that TiO2 addition produced consistent and compact char crusts. The non-isothermal crystallisation behaviour of PET and PET/TiO2 were investigated by differential scanning calorimetry (DSC). Meanwhile, the kinetics of non-isothermal crystallisation was analyzed by the Mo Zhishen method. Both results showed that the TiO2 in PET acted as an effective nucleation agent. Not only was the crystallisation rate of composites obtained higher than that of the neat PET, but also the crystallisation time of the composites obtained was shorter than that of the neat PET. The presence of TiO2 changed the mechanism of the nucleation and accelerated the rate of PET crystallisation. 15 Refs. --- --- Source: https://polymerjournals.com/enhanced-ionic-conductivity-of-composite-pva-nafion-electrolyte-containing-ionic-liquid-by-addition-of-hydroxyapatite-particle/ # ENHANCED IONIC CONDUCTIVITY OF COMPOSITE PVA-NAFION ELECTROLYTE CONTAINING IONIC LIQUID BY ADDITION OF HYDROXYAPATITE PARTICLE > Title: ENHANCED IONIC CONDUCTIVITY OF COMPOSITE PVA-NAFION ELECTROLYTE CONTAINING IONIC LIQUID BY ADDITION OF HYDROXYAPATITE PARTICLE Page Range: p.407-410 Author(s): Zhiying Li; Xin Zhang; Changli Zhou; Danzi Sun File size: 215K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/enhanced-ionic-conductivity-of-composite-pva-nafion-electrolyte-containing-ionic-liquid-by-addition-of-hydroxyapatite-particle/ Published: 2012-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ENHANCED IONIC CONDUCTIVITY OF COMPOSITE PVA-NAFION ELECTROLYTE CONTAINING IONIC LIQUID BY ADDITION OF HYDROXYAPATITE PARTICLE** Page Range: p.407-410 Author(s): Zhiying Li; Xin Zhang; Changli Zhou; Danzi Sun File size: 215K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-4&JournalID=101622&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.4 **Abstract** Composite electrolyte comprising hydroxyapatite (HAp) filler and 1-butyl-3-methyl -imidazolium bis(fluoromethane sulphonyl)imide (BMImTFSI) room temperature ionic liquid (RTIL) in poly(vinyl alcohol) (PVA) combined with Nafion matrix has been prepared. The polymer matrix was composed of PVA and Nafion providing the proton conductivity, BMImTFSI was used as both ionic source and plasticizer; HAp filler enhanced the ionic conductivity and thermal stability in this system. The electrolyte with HAp at the 20 wt.% showed the highest ionic conductivity of 1.2i10-3 S cm-1 at room temperature and 96% relative humidity. 8 Refs. --- --- Source: https://polymerjournals.com/preparing-and-structure-of-a-porous-nano-ha-cs-pva-composite-by-freeze-drying/ # PREPARING AND STRUCTURE OF A POROUS NANO-HA/CS/PVA COMPOSITE BY FREEZE-DRYING > Title: PREPARING AND STRUCTURE OF A POROUS NANO-HA/CS/PVA COMPOSITE BY FREEZE-DRYING Page Range: p.1-4 Author(s): Feng Wang; Enyan Guo File size: 308K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue... Canonical URL: https://polymerjournals.com/preparing-and-structure-of-a-porous-nano-ha-cs-pva-composite-by-freeze-drying/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARING AND STRUCTURE OF A POROUS NANO-HA/CS/PVA COMPOSITE BY FREEZE-DRYING** Page Range: p.1-4 Author(s): Feng Wang; Enyan Guo File size: 308K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101530&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Novel tissue engineering scaffold material porous hydroxyapatite, with interconnected pores, allows tissue fluid circulation and provides nutrient for new bone. In the work, Nano-HA /CS/PVA composites were prepared through a co-precipitation method with (NH4)2HPO4, Ca(NO3)2.4H2O, chitosan(CS) and polyvinyl alcohol (PVA) as raw materials. Frozen with liquid nitrogen, and then the porous scaffolds were fabricated by freeze-drying. Fourier transform infrared spectroscopy (FT-IR) confirmed the presence of chemical bonds among HA, CS and PVA and were discussed. Scanning electron microscopy (SEM) analysis revealed that the composites have interconnected porous structures. 14 Refs. --- --- Source: https://polymerjournals.com/finite-element-analysis-of-controlled-drug-release-based-on-biphasic-model-of-hydrogel-carrier/ # FINITE ELEMENT ANALYSIS OF CONTROLLED DRUG RELEASE BASED ON BIPHASIC MODEL OF HYDROGEL CARRIER > Title: FINITE ELEMENT ANALYSIS OF CONTROLLED DRUG RELEASE BASED ON BIPHASIC MODEL OF HYDROGEL CARRIER Page Range: p.5-8 Author(s): Yanyan Zhang; Yuxi Jia File size: 471K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/finite-element-analysis-of-controlled-drug-release-based-on-biphasic-model-of-hydrogel-carrier/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FINITE ELEMENT ANALYSIS OF CONTROLLED DRUG RELEASE BASED ON BIPHASIC MODEL OF HYDROGEL CARRIER** Page Range: p.5-8 Author(s): Yanyan Zhang; Yuxi Jia File size: 471K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101531&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Over the past few decades, many efforts have been made in the research of controlled drug release systems, which is an effective way to solve the problem of poor curative effect. Due to their excellent biocompatibility, hydrogels have a wide application as promising drug carrier materials in pharmaceutical domain. In this paper, a new mathematical model was established based on the multiphasic theory of hydrogels, and a commercial finite element solver was adopted to implement the simulation of drug release from a swollen hydrogel. Simulated results show that the swelling of the hydrogel carrier begins from the edge to the centre, and the drug release is initially anomalous transport followed by Fickian diffusion when the swelling of the hydrogel approaches to a new equilibrium state. 11 Refs. --- --- Source: https://polymerjournals.com/fluorescence-of-a-new-phenanthrolin-derivative-sensitive-to-dna-induced-by-single-and-two-photon-excitation/ # FLUORESCENCE OF A NEW PHENANTHROLIN DERIVATIVE SENSITIVE TO DNA INDUCED BY SINGLE- AND TWO-PHOTON EXCITATION > Title: FLUORESCENCE OF A NEW PHENANTHROLIN DERIVATIVE SENSITIVE TO DNA INDUCED BY SINGLE- AND TWO-PHOTON EXCITATION Page Range: p.9-12 Author(s): Zhang Xian; Xie Rui-xing; Yao Jin-shui; Meng Xiang-long; Liu Ying-kai; Yu Xiao-qiang; Jiang Min-hua File size: 339K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/fluorescence-of-a-new-phenanthrolin-derivative-sensitive-to-dna-induced-by-single-and-two-photon-excitation/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLUORESCENCE OF A NEW PHENANTHROLIN DERIVATIVE SENSITIVE TO DNA INDUCED BY SINGLE- AND TWO-PHOTON EXCITATION** Page Range: p.9-12 Author(s): Zhang Xian; Xie Rui-xing; Yao Jin-shui; Meng Xiang-long; Liu Ying-kai; Yu Xiao-qiang; Jiang Min-hua File size: 339K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101532&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** A novel two-photon absorption (TPA) material with phenanthrolin as acceptor (BSIPB) has been firstly synthesised and studied as possible fluorescence probe for nucleic acids detection. The single-photon and two photon fluorescence properties of the dye in the unbound state and in DNA complexes were investigated. Some quantum yields and TPA cross sections at important points were calculated. The results showed that BSIPB can be used as an efficient fluorescent probes for DNA detection and imaging under both single-photon excitation (SPE) and two-photon excitation (TPE). 19 Refs. --- --- Source: https://polymerjournals.com/a-novel-light-emitting-conjugated-copolymer-based-on-14-diethoxybenzene-and-3-methylthiophene-via-electrochemical-polymerization/ # A NOVEL LIGHT-EMITTING CONJUGATED COPOLYMER BASED ON 1,4-DIETHOXYBENZENE AND 3-METHYLTHIOPHENE VIA ELECTROCHEMICAL POLYMERIZATION > Title: A NOVEL LIGHT-EMITTING CONJUGATED COPOLYMER BASED ON 1,4-DIETHOXYBENZENE AND 3-METHYLTHIOPHENE VIA ELECTROCHEMICAL POLYMERIZATION Page Range: p.13-20 Author(s): Yujian Zhang; Chunhui Yu; Mi Ouyang; Nachuan Wang; Cheng Zhang File size: 436K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/a-novel-light-emitting-conjugated-copolymer-based-on-14-diethoxybenzene-and-3-methylthiophene-via-electrochemical-polymerization/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NOVEL LIGHT-EMITTING CONJUGATED COPOLYMER BASED ON 1,4-DIETHOXYBENZENE AND 3-METHYLTHIOPHENE VIA ELECTROCHEMICAL POLYMERIZATION** Page Range: p.13-20 Author(s): Yujian Zhang; Chunhui Yu; Mi Ouyang; Nachuan Wang; Cheng Zhang File size: 436K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101533&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** A novel light-emitting conjugated copolymer based on 1, 4-diethoxybenzene (DEB) and 3-methylthiophene (MTh) is polymerized electrochemically in acetonitrile containing tetrabutylammonium perchlorate by the direct oxidation of DEB/MTh mixtures. The structure, morphology and electrochemical properties of the obtained copolymer are investigated by Fourier transform infrared spectroscopy, 1H NMR spectrometer, scanning electron microscopy and cyclic voltammetry. The results confirm the achievement of DEB/MTh copolymerisation. UVvis spectra show that the absorption peak of the copolymer red shifts gradually with the decrease of DEB/MTh monomer feed ratio and the applied potential. Moreover, photoluminescence spectra of the copolymer exhibit great change in emission colour from pale blue to pale green with the variety of ratio of two monomers. Therefore, monomer feed ratio and polymerisation potential play important roles in the optical properties of copolymers. 41 Refs. --- --- Source: https://polymerjournals.com/tuning-the-emission-color-of-conjugated-polymers-via-oxidation-copolymerization-of-fluorene-and-34-ethylenedioxythiophene/ # TUNING THE EMISSION COLOR OF CONJUGATED POLYMERS VIA OXIDATION COPOLYMERIZATION OF FLUORENE AND 3,4-ETHYLENEDIOXYTHIOPHENE > Title: TUNING THE EMISSION COLOR OF CONJUGATED POLYMERS VIA OXIDATION COPOLYMERIZATION OF FLUORENE AND 3,4-ETHYLENEDIOXYTHIOPHENE Page Range: p.21-26 Author(s): Mi Ouyang; Wen-qin Xiang; Yi Xu; Yu-jian Zhang; Qian-ping Lou; Cheng Zhang File size: 279K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/tuning-the-emission-color-of-conjugated-polymers-via-oxidation-copolymerization-of-fluorene-and-34-ethylenedioxythiophene/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TUNING THE EMISSION COLOR OF CONJUGATED POLYMERS VIA OXIDATION COPOLYMERIZATION OF FLUORENE AND 3,4-ETHYLENEDIOXYTHIOPHENE** Page Range: p.21-26 Author(s): Mi Ouyang; Wen-qin Xiang; Yi Xu; Yu-jian Zhang; Qian-ping Lou; Cheng Zhang File size: 279K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101534&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In this paper, 3,4-ethylenedioxythiophene (EDOT)units are introduced to polyfluorene via chemical oxidation polymerisation. FTIR and 1H NMR spectra results confirm that the products are copolymers. Elemental analysis results show that the EDOT content in obtained copolymers increases as the feed ratio of EDOT/fluorene increases. UV-vis and PL spectra results show that the wavelengths of absorption peaks and emission peaks present obviously red-shift with the increase of EDOT content (Figure 2). In addition, the emission colours of resulting copolymers could be tailored between blue and green via changing the feed ratio of 9,9'-dibutylfluorene (DBF)/EDOT. 30 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-optoelectronic-properties-of-novel-fluorene-based-copolymer-for-red-light-emitting-diodes/ # SYNTHESIS AND OPTOELECTRONIC PROPERTIES OF NOVEL FLUORENE-BASED COPOLYMER FOR RED LIGHT-EMITTING DIODES > Title: SYNTHESIS AND OPTOELECTRONIC PROPERTIES OF NOVEL FLUORENE-BASED COPOLYMER FOR RED LIGHT-EMITTING DIODES Page Range: p.27-32 Author(s): Zhitian Liu; Shuangqiang Hu; Baolong Yang; Shuangquan Wu; Zixing Wang; Chi Zhang; Zhao Hu File size: 277K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/synthesis-and-optoelectronic-properties-of-novel-fluorene-based-copolymer-for-red-light-emitting-diodes/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND OPTOELECTRONIC PROPERTIES OF NOVEL FLUORENE-BASED COPOLYMER FOR RED LIGHT-EMITTING DIODES** Page Range: p.27-32 Author(s): Zhitian Liu; Shuangqiang Hu; Baolong Yang; Shuangquan Wu; Zixing Wang; Chi Zhang; Zhao Hu File size: 277K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101535&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Novel copolymer derived from ethoxylated fluorene and 4,7-dithienyl-2,1,3-benzothiadiazole was successfully synthesised by palladium(0)-catalyzed Suziki coupling reactions. Optoelectronic properties of the copolymer were characterized by elemental analysis, NMR, UV absorption, photoluminescence (PL), and electroluminescence (EL). The films of the copolymer showed DBT-dominant red emissions. EL devices of the copolymer with a sandwich configuration of ITO/Polymer/Al displayed exclusive DBT emissions peaked at around 655 nm with the CIE coordinate of (0.67, 0.32). The polymer layer contained a conjugated copolymer that emits red light, trimethylolpropane trimethacrylate (TMPTMA), a low vapour pressure highly crosslinkable liquid, and lithium trifluoromethane sulphonate (LiTf) at a weight ratio of 20:40:1. A dynamic p-i-n junction was formed in thin films of light emitting polymers admixed with an ionically conductive medium. The PLEC device was turned on at relative low voltage 3.2 V and the brightness reached up to 1200 cd/m2 at 8 V. 24 Refs. --- --- Source: https://polymerjournals.com/an-ae-investigation-on-bending-failure-process-of-concrete-filled-cfrp-steel-tube/ # AN AE INVESTIGATION ON BENDING FAILURE PROCESS OF CONCRETE FILLED CFRP-STEEL TUBE > Title: AN AE INVESTIGATION ON BENDING FAILURE PROCESS OF CONCRETE FILLED CFRP-STEEL TUBE Page Range: p.33-40 Author(s): Liwei Zhang; Yinghua Zhao; Jiang A; Yilie Hou File size: 441K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/an-ae-investigation-on-bending-failure-process-of-concrete-filled-cfrp-steel-tube/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AN AE INVESTIGATION ON BENDING FAILURE PROCESS OF CONCRETE FILLED CFRP-STEEL TUBE** Page Range: p.33-40 Author(s): Liwei Zhang; Yinghua Zhao; Jiang A; Yilie Hou File size: 441K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101536&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** A four-point bending test is performed for concrete filled square steel tubular beams strengthened by CFRP in longitudinal and circumferential directions. The mechanical parameters and acoustic emission (AE) signals are acquired for investigating the failure process. Test results indicate that the failure process could be divided into four stages including elastic, elastic-plastic, descending and softening stages, and AE parameters and waveforms are found to characterize this process properly. In addition, damage sources of the specimen are localized and position concentration degree (PCD) of AE events is defined which can quantitatively reflect the distributing regularity of damage sources along the axial direction under different loading conditions. The research suggests that, acoustic emission sensing technique can be used as an effective tool for on-line monitoring of damage degree and failure process of concrete filled CFRP-steel tube under bending load. 13 Refs. --- --- Source: https://polymerjournals.com/miscibility-investigation-of-polycarbonate-polyarylether-ketone-containing-14-naphthalene-blends/ # MISCIBILITY INVESTIGATION OF POLYCARBONATE/POLY(ARYLETHER KETONE) CONTAINING 1,4-NAPHTHALENE BLENDS > Title: MISCIBILITY INVESTIGATION OF POLYCARBONATE/POLY(ARYLETHER KETONE) CONTAINING 1,4-NAPHTHALENE BLENDS Page Range: p.41-44 Author(s): Dong Jiang; Xiao-Ran Zhang; Yan-Mei Ma; Zhong-Dong Wang File size: 356K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/miscibility-investigation-of-polycarbonate-polyarylether-ketone-containing-14-naphthalene-blends/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MISCIBILITY INVESTIGATION OF POLYCARBONATE/POLY(ARYLETHER KETONE) CONTAINING 1,4-NAPHTHALENE BLENDS** Page Range: p.41-44 Author(s): Dong Jiang; Xiao-Ran Zhang; Yan-Mei Ma; Zhong-Dong Wang File size: 356K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101537&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The blends of polycarbonate (PC) and Poly (aryl ether ketone) containing 1,4-Naphthalene (NA-PAEK) were prepared by melt mixing in a Brabender-like apparatus. The specimens for measurements were made by compression moulding under pressure and then were water-quenched at room temperature. The miscibility behaviour of PC with NA-PAEK was examined using differential scanning calorimeter (DSC), scanning electron microscope (SEM), and density. 8 Refs. --- --- Source: https://polymerjournals.com/variation-of-electro-conductive-property-of-ssf-pa6-system-under-impact-loading-using-a-modified-shpb/ # VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB > Title: VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB Page Range: p.45-52 Author(s): Jin-tao Lei; Jian-kang Chen; Ming-hua Zhang File size: 590K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/variation-of-electro-conductive-property-of-ssf-pa6-system-under-impact-loading-using-a-modified-shpb/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB** Page Range: p.45-52 Author(s): Jin-tao Lei; Jian-kang Chen; Ming-hua Zhang File size: 590K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101538&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In order to detect the variation of electro-conductive property of short steel fibre (SSF) filled polyamide-6 (PA6) under impact loading, a modified split Hopkinson pressure bar (M-SHPB) is suggested. Such M-SHPB is constructed by designing a new test electrocircuit, and connecting it to the specimen and oscillograph. On the other hand, a copper foil cover is designed and placed on the whole SHPB equipment for avoiding interference of electromagnetic wave existing in the testing environment. By means of M-SHPB, the relation between the resistance and dynamic stress or dynamic strain is effectively detected. The experimental results indicate that the resistance of the material decreases with the increase of strain or stress. The sensitive variation of the resistance appears at the beginning of the deformation of the material. 16 Refs. --- --- Source: https://polymerjournals.com/swelling-behavior-study-of-physically-crosslinked-gelatin-hydrogels/ # SWELLING BEHAVIOR STUDY OF PHYSICALLY CROSSLINKED GELATIN HYDROGELS > Title: SWELLING BEHAVIOR STUDY OF PHYSICALLY CROSSLINKED GELATIN HYDROGELS Page Range: p.53-58 Author(s): Congde Qiao; Xiaolu Cao; Fei Wang File size: 217K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue... Canonical URL: https://polymerjournals.com/swelling-behavior-study-of-physically-crosslinked-gelatin-hydrogels/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SWELLING BEHAVIOR STUDY OF PHYSICALLY CROSSLINKED GELATIN HYDROGELS** Page Range: p.53-58 Author(s): Congde Qiao; Xiaolu Cao; Fei Wang File size: 217K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101539&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** A series of physically crosslinked gelatin networks were prepared and the effects of salt, pH, temperature and polymer concentration on the swelling properties of gelatin hydrogels were studied in detail. The swelling equilibrium of the gelatin networks can be described as a simple superposition of polyelectrolyte behaviour and polyampholyte behaviour. It was found that high temperature, low gelatin concentration and deviation from the isoelectric point can promote the swelling of the polymer networks. Moreover, the swelling kinetics of gelatin hydrogels at different salt concentration solutions was also investigated. It is found that the rate of swelling of gelatin could be described by a second-order rate equation, which indicated that the structure of the gelatin networks is homogenous. 18 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-polyvinyl-alcohol-based-polyampholyte-membrane/ # PREPARATION AND CHARACTERIZATION OF POLY(VINYL ALCOHOL) BASED POLYAMPHOLYTE MEMBRANE > Title: PREPARATION AND CHARACTERIZATION OF POLY(VINYL ALCOHOL) BASED POLYAMPHOLYTE MEMBRANE Page Range: p.59-62 Author(s): Lijuan Yu; Pingrui Meng; Shenghuan Liu; Xiaohui Wang; Yanmei Zhang; Haoqiang Yu File size: 283K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-polyvinyl-alcohol-based-polyampholyte-membrane/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF POLY(VINYL ALCOHOL) BASED POLYAMPHOLYTE MEMBRANE** Page Range: p.59-62 Author(s): Lijuan Yu; Pingrui Meng; Shenghuan Liu; Xiaohui Wang; Yanmei Zhang; Haoqiang Yu File size: 283K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101540&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Poly(vinyl alcohol)-g-poly(sodium allylsulphonate/acrylamide) (PVA-g-PSAS/AM) were synthesised by free radical polymerisation. The PVA-g-PSAS/AM was degraded into poly(vinyl alcohol)-g-poly(sodium allylsulphonate/ vinylamine) (PVA-g-PSAS/VA), which was PVA based polyampholyte (PBPA). The PBPA homogeneous membrane was characterized by FT-IR and SEM. The isoelectric point of PBPA was pH=6. Surface hydrophilicity of membranes was examined by automated contact angle measurement device. At 90 degrees C, the PBPA membrane showed a separation factor of 991 and a flux of 1140 g/(m2(.)h) for 90 wt.% ethanol aqueous solution, while about 1491 and 970 g/(m2(.)h) for 90 wt.% isopropanol aqueous solution. 8 Refs. --- --- Source: https://polymerjournals.com/preparation-of-epoxy-sizing-agent-for-carbon-fiber-by-phase-inversion-emulsification/ # PREPARATION OF EPOXY SIZING AGENT FOR CARBON FIBER BY PHASE INVERSION EMULSIFICATION > Title: PREPARATION OF EPOXY SIZING AGENT FOR CARBON FIBER BY PHASE INVERSION EMULSIFICATION Page Range: p.63-68 Author(s): Jianye Liu; Heyi Ge; Juan Chen; Huashi Liu File size: 293K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/preparation-of-epoxy-sizing-agent-for-carbon-fiber-by-phase-inversion-emulsification/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF EPOXY SIZING AGENT FOR CARBON FIBER BY PHASE INVERSION EMULSIFICATION** Page Range: p.63-68 Author(s): Jianye Liu; Heyi Ge; Juan Chen; Huashi Liu File size: 293K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101541&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The epoxy resin and epoxidised polybutadiene were used to prepare the emulsion type epoxy sizing agent for carbon fibre by phase inversion emulsification method. Effects of weight ratio of mixed emulsifiers and emulsifiers/resin (/e/r), shear rate and dripping speed of water on properties of emulsion were investigated by centrifugal sedimentation analysis, particle size analysis and zeta potential measurement. Results showed that the optimal emulsion was obtained when weight ratio of polyoxyethylene nonylphenol phosphoric ammonium (NP-10A) and polyoxyethylene styrenated phenol ether (602) was 2:1, (e/r was 12%, shear rate was 10000 r/min. Conductivity of emulsion by different Ce/r was also investigated to represent the variation of conductivity during emulsification process. 8 Refs. --- --- Source: https://polymerjournals.com/crystallizable-polyisoprene-under-strain-obtained-by-nd-based-catalyst/ # CRYSTALLIZABLE POLYISOPRENE UNDER STRAIN OBTAINED BY ND-BASED CATALYST > Title: CRYSTALLIZABLE POLYISOPRENE UNDER STRAIN OBTAINED BY ND-BASED CATALYST Page Range: p.69-72 Author(s): Guilian Li; Weidong Yin File size: 265K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2... Canonical URL: https://polymerjournals.com/crystallizable-polyisoprene-under-strain-obtained-by-nd-based-catalyst/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CRYSTALLIZABLE POLYISOPRENE UNDER STRAIN OBTAINED BY ND-BASED CATALYST** Page Range: p.69-72 Author(s): Guilian Li; Weidong Yin File size: 265K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101542&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The conventional Ziegler-Natta catalyst composed of neodymium versatate (Nd(vers)3), alkylaluminium (Al(iBu)2H or Al(i-Bu)3) and diisobutylaluminium chloride (Al(i-Bu)2Cl) was examined in isoprene polymerisation. The polymer with narrow molecular weight distribution (Mw/Mn < 3) can be obtained by controlling Al(i-Bu)2H amounts and component addition order. While, polyisoprene with high cis-1,4 content (> 96%), high molecular weight (> 100x104) and narrow molecular weight distribution (Mw/Mn < 2.2) is synthesised by using Al(i-Bu)3 as cocatalyst. In the meantime, the obtained polymer has crystallisation behaviour under strain. 12 Refs. --- --- Source: https://polymerjournals.com/high-performance-composites-of-polybenzoxazine-and-polyarylene-ether-nitriles-pen/ # HIGH PERFORMANCE COMPOSITES OF POLYBENZOXAZINE AND POLYARYLENE ETHER NITRILES (PEN) > Title: HIGH PERFORMANCE COMPOSITES OF POLYBENZOXAZINE AND POLYARYLENE ETHER NITRILES (PEN) Page Range: p.73-76 Author(s): Wenjin Chen; YaJie Lei; Xiaobo Liu File size: 226K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/high-performance-composites-of-polybenzoxazine-and-polyarylene-ether-nitriles-pen/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HIGH PERFORMANCE COMPOSITES OF POLYBENZOXAZINE AND POLYARYLENE ETHER NITRILES (PEN)** Page Range: p.73-76 Author(s): Wenjin Chen; YaJie Lei; Xiaobo Liu File size: 226K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101543&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Polybenzoxazine (PBa) was modified by polyarylene ether nitriles (PEN) via in situ curing reaction of benzoxazine in the presence of PEN to improve toughness and thermal properties. DSC measurements of the cured blends containing PBa and PEN showed single glass-transition temperatures (Tg's) when the amount of PEN in the blends less than 20%, and the blends have significantly higher glass transition temperatures than those of each homopolymer. Tensile measurements of the films revealed that the strength and elongation was dramatically enhanced by the addition of PEN, the toughness of the PBa/PEN films was greatly enhanced. The thermal stability also increased with the increase of PEN content as evidenced by TGA. All of the mechanical and thermal characteristics show that the blends can be good candidates for the matrix resin of advanced composite materials. 14 Refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-self-healing-microcapsules-containing-an-uv-curable-oligomers-of-silicone/ # PREPARATION AND PROPERTIES OF SELF-HEALING MICROCAPSULES CONTAINING AN UV-CURABLE OLIGOMERS OF SILICONE > Title: PREPARATION AND PROPERTIES OF SELF-HEALING MICROCAPSULES CONTAINING AN UV-CURABLE OLIGOMERS OF SILICONE Page Range: p.77-82 Author(s): Rui-ying Xing; Qiu-yu Zhang; Jiu-li Sun File size: 427K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-self-healing-microcapsules-containing-an-uv-curable-oligomers-of-silicone/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF SELF-HEALING MICROCAPSULES CONTAINING AN UV-CURABLE OLIGOMERS OF SILICONE** Page Range: p.77-82 Author(s): Rui-ying Xing; Qiu-yu Zhang; Jiu-li Sun File size: 427K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101544&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In this work a new series of microcapsules for self-healing coatings were successfully prepared by an in-situ polymerisation route with poly (urea-formaldehyde) (PUF) as a shell material and a mixture of methacryloxypropyl terminated dimethyl silicone oil (2MA4000) and 1-hydroxycyclohexyl phenyl ketone (I-184) as core materials. The UV curing properties of the core materials were performed by the gel yield. The surface morphology and shell wall thickness, the particle size and distribution, and the chemical structure and properties of microcapsules were characterized by SEM, FTIR, laser particle size analyzer and thermogravimetric analysis (TGA). The results indicated that the gel yield of 2MA4000 with 3 wt.% Irgacure-184 was 63.35%. The spherical microcapsules (particle size of mostly 20-50 (mu)m) were produced with a relatively thin shell wall of 20-90 nm, a filling content of 84 wt.%, and a high yield of 71.4 wt.%. The microcapsules exhibit a good heat resistance. The core of the microcapsule was under a good preservation state during the encapsulated process, and part of the core which was in the interface between oil and water participated in the reaction of urea and formaldehyde. It makes the microcapsule wall being the organosilicon modified PUF resins, which promotes the thermostability of the microcapsule wall and compatibility with organosilicon coating. 13 Refs. --- --- Source: https://polymerjournals.com/investigation-on-dynamic-mechanical-properties-of-crosslinked-polystyrene-co-divinylbenzene-bulk-copolymers-effect-of-divinylbenzene-content/ # INVESTIGATION ON DYNAMIC MECHANICAL PROPERTIES OF CROSSLINKED POLY(STYRENE-CO-DIVINYLBENZENE) BULK COPOLYMERS: EFFECT OF DIVINYLBENZENE CONTENT > Title: INVESTIGATION ON DYNAMIC MECHANICAL PROPERTIES OF CROSSLINKED POLY(STYRENE-CO-DIVINYLBENZENE) BULK COPOLYMERS: EFFECT OF DIVINYLBENZENE CONTENT Page Range: p.83-88 Author(s): Quanyao Zhu; Qing Yang; Yue Yu; XiaoQing Wang; Fei Wu; Wen Chen File size: 366K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/investigation-on-dynamic-mechanical-properties-of-crosslinked-polystyrene-co-divinylbenzene-bulk-copolymers-effect-of-divinylbenzene-content/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INVESTIGATION ON DYNAMIC MECHANICAL PROPERTIES OF CROSSLINKED POLY(STYRENE-CO-DIVINYLBENZENE) BULK COPOLYMERS: EFFECT OF DIVINYLBENZENE CONTENT** Page Range: p.83-88 Author(s): Quanyao Zhu; Qing Yang; Yue Yu; XiaoQing Wang; Fei Wu; Wen Chen File size: 366K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101545&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The crosslinked poly(styrene-co-divinylbenzene) (CL-p(St-DVB)) bulk copolymers were fabricated by free radical bulk crosslinking copolymerisation (FCC) with styrene as monomer and divinylbenzene (DVB) as crosslinker. The viscoelastic properties of the crosslinked copolymers were investigated by dynamic mechanical thermal analysis (DMTA) as a function of temperature and frequency. The Arrhenius relationship was employed to calculate the activation energy of the t-relaxation transition for the specimens. The results revealed that the storage modulus (Es) of the copolymer networks enhanced with the rising DVB content. The loss tangent (tans) peaks were lower and broader. The dynamic mechanical responses of the CL-p(St-DVB) networks were also strongly depended on the test frequency. 34 Refs. --- --- Source: https://polymerjournals.com/correlation-analysis-of-heat-transfer-cure-and-mechanical-behavior-of-fiber-composite-laminates/ # CORRELATION ANALYSIS OF HEAT TRANSFER, CURE AND MECHANICAL BEHAVIOR OF FIBER COMPOSITE LAMINATES > Title: CORRELATION ANALYSIS OF HEAT TRANSFER, CURE AND MECHANICAL BEHAVIOR OF FIBER COMPOSITE LAMINATES Page Range: p.89-94 Author(s): Xiaoxia Wang; Yuxi Jia; Chengguo Wang File size: 462K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/correlation-analysis-of-heat-transfer-cure-and-mechanical-behavior-of-fiber-composite-laminates/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CORRELATION ANALYSIS OF HEAT TRANSFER, CURE AND MECHANICAL BEHAVIOR OF FIBER COMPOSITE LAMINATES** Page Range: p.89-94 Author(s): Xiaoxia Wang; Yuxi Jia; Chengguo Wang File size: 462K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101546&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Curing deformation is a direct consequence of resin thermal curing induced composite internal stress. The understanding of the curing process is crucial to predict the internal stress, and then effectively control the curing deformation. For this purpose, the thermal-chemical-mechanical modelling of the multi-physical process is done, and a new simulation procedure is presented. Then a new correlation analysis of the heat transfer, cure and mechanical behaviour of fibre composite laminates is performed. It is shown that the temperature and curing degree distributions are inhomogeneous. The temperature of the geometrical structure centre is higher than that of the surface because of the exothermic reaction and the low thermal conductivity of the composite, so are the resin elastic modulus and the resin shrinkage strain. The research is helpful for understanding the complicated thermal-chemical-mechanical relationships, and then the design of composite curing processes according to certain requirements can be implemented. 8 Refs. --- --- Source: https://polymerjournals.com/a-new-hydrophobic-associating-polymer/ # A NEW HYDROPHOBIC ASSOCIATING POLYMER > Title: A NEW HYDROPHOBIC ASSOCIATING POLYMER Page Range: p.95-98 Author(s): Chuntian Liu; Xiaolin Wu; Xing Li; Xiaodan Yu; Xin Zhao File size: 260K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20... Canonical URL: https://polymerjournals.com/a-new-hydrophobic-associating-polymer/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NEW HYDROPHOBIC ASSOCIATING POLYMER** Page Range: p.95-98 Author(s): Chuntian Liu; Xiaolin Wu; Xing Li; Xiaodan Yu; Xin Zhao File size: 260K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101547&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The properties of a new hydrophobic associating polymer were evaluated in detail in this paper. The polymer enhances the effect of increasing viscosity for the assembling action of functional groups in molecular chain. Alkali and surfactant promote the association and result in the increasing of viscosity, so the concentration of polymer in ASP solution is less than that in solution without alkali and surfactant. The viscosity of polymer solution restored again when shear effect decreased or disappeared; the characteristic will make the polymer used in oilfield advantageously. The polymer has synergistic effect with surfactant, so the interfacial tension of oil and water was ultra-low in a wide range of chemical concentration; it is propitious to improve displacement efficiency. When the oil recovery is approximate, the amount of new hydrophobic associating polymer is 20% less than that of HPAM. 3 Refs. --- --- Source: https://polymerjournals.com/thermally-curable-polysilylacetylenesiloxane-as-polymeric-precursor-of-sic-ceramic/ # THERMALLY CURABLE POLY(SILYLACETYLENE)SILOXANE AS POLYMERIC PRECURSOR OF SIC CERAMIC > Title: THERMALLY CURABLE POLY(SILYLACETYLENE)SILOXANE AS POLYMERIC PRECURSOR OF SIC CERAMIC Page Range: p.99-102 Author(s): Chengda Yu; Mingcun Wang; Pi Li File size: 216K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20... Canonical URL: https://polymerjournals.com/thermally-curable-polysilylacetylenesiloxane-as-polymeric-precursor-of-sic-ceramic/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMALLY CURABLE POLY(SILYLACETYLENE)SILOXANE AS POLYMERIC PRECURSOR OF SIC CERAMIC** Page Range: p.99-102 Author(s): Chengda Yu; Mingcun Wang; Pi Li File size: 216K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101548&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The pressureless pyrolysis of poly(silylacetylene)siloxane precursor to silicon carbide (SiC) was studied. Poly(silylacetylene)siloxane was synthesised via organometallic condensation. The precursor resin was well soluble in acetone, toluene and tetrahydrofuran (THF), etc. Thermal cure was conducted readily at 180-250 degrees C to form a hard brittle solid, and the cure mechanism was radical polymerisation of ethynyl groups. The ceramic yield of pyrolysis at 1500 degrees C was at about 67 wt.%. The molar ratio of Si/C in the SiC was found at 1:1.1-1:3 based on elements analysis. The results of x-ray diffraction (XRD) revealed the typical i-SiC structure in the poly(silylacetylene)siloxane derived ceramics. 8 Refs. --- --- Source: https://polymerjournals.com/properties-of-a-novel-siloxane-containing-epoxy-resin/ # PROPERTIES OF A NOVEL SILOXANE-CONTAINING EPOXY RESIN > Title: PROPERTIES OF A NOVEL SILOXANE-CONTAINING EPOXY RESIN Page Range: p.103-106 Author(s): Wenbing Sun; Chaocan Zhang File size: 257K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 Abstract... Canonical URL: https://polymerjournals.com/properties-of-a-novel-siloxane-containing-epoxy-resin/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF A NOVEL SILOXANE-CONTAINING EPOXY RESIN** Page Range: p.103-106 Author(s): Wenbing Sun; Chaocan Zhang File size: 257K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101549&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** To fabricate self-organized gradient material using bisphenol-A epoxy resin (E51) and siloxane, the properties of a novel synthesised siloxane-containing epoxy resin (SE) were investigated in advance. It is found that SE behaves like Newtonian fluid at low shear rates, while like non-Newtonian fluid at high shear rates. Similar to E51, SE is soluble in most solvents. Although curing process of two epoxy resins submits to first-order reaction kinetics, curing activity of SE is higher slightly. Contrary to the cured E51, the cured SE is hydrophobic and characterized by ductile fracture. It is also observed that the cured SE is more stable in thermal decomposition than the cured E51. 9 Refs. --- --- Source: https://polymerjournals.com/simulation-of-a-flexible-polymer-confined-between-two-parallel-surfaces/ # SIMULATION OF A FLEXIBLE POLYMER CONFINED BETWEEN TWO PARALLEL SURFACES > Title: SIMULATION OF A FLEXIBLE POLYMER CONFINED BETWEEN TWO PARALLEL SURFACES Page Range: p.107-110 Author(s): Hong Li; Chang-Ji Qian; Meng-Bo Luo File size: 259K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/simulation-of-a-flexible-polymer-confined-between-two-parallel-surfaces/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SIMULATION OF A FLEXIBLE POLYMER CONFINED BETWEEN TWO PARALLEL SURFACES** Page Range: p.107-110 Author(s): Hong Li; Chang-Ji Qian; Meng-Bo Luo File size: 259K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101550&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The conformational properties of a lattice self-avoiding polymer chain confined between two parallel impenetrable surfaces are simulated using Monte Carlo method. The statistical conformation size of polymer can be scaled by polymer chain length N and distance D between two surfaces. Chain is nearly free at large scaled distance bb= D/ NNb with v = 0.58 the scaling exponent and b = 1.42 mean bond length. Then it is squeezed along normal direction to surface at intermediate t, and at last it spreads out along surface at small,. For attractive surfaces, the chain is adsorbed at low temperature. For small D, we find an abnormal temperature dependence of chain size due to chain adsorbed to both surfaces simultaneously. 17 Refs. --- --- Source: https://polymerjournals.com/sky-white-temperature-ph-sensitive-nanocomposite-microgels-with-lower-size-and-good-temperature-sensitivity/ # SKY-WHITE TEMPERATURE/PH-SENSITIVE NANOCOMPOSITE MICROGELS WITH LOWER SIZE AND GOOD TEMPERATURE-SENSITIVITY > Title: SKY-WHITE TEMPERATURE/PH-SENSITIVE NANOCOMPOSITE MICROGELS WITH LOWER SIZE AND GOOD TEMPERATURE-SENSITIVITY Page Range: p.111-116 Author(s): Qingsong Zhang; Xuewei Li; Li Chen File size: 317K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/sky-white-temperature-ph-sensitive-nanocomposite-microgels-with-lower-size-and-good-temperature-sensitivity/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SKY-WHITE TEMPERATURE/PH-SENSITIVE NANOCOMPOSITE MICROGELS WITH LOWER SIZE AND GOOD TEMPERATURE-SENSITIVITY** Page Range: p.111-116 Author(s): Qingsong Zhang; Xuewei Li; Li Chen File size: 317K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101551&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Adopting inorganic nanoclay (lithium magnesium silicate hydrate, LMSH) as physical crosslinking agent, a kind of novel temperature/pH double-sensitive nanocomposite microgels based on N-isopropylacrylamide (NIPAM) and acrylic acid (AAc) were synthesised by using surfactant-free emulsion polymerisation method. As a comparison, the traditional poly(NIPAM-co-AAc) microgel using N,N'-methylene-bis-acrylamide(MBA) as chemical crosslinker was prepared by same method. The chemical structure, shape, particle size and phase transition behaviour of two kinds of microgels were confirmed by FTIR, XRD, SEM and DSC respectively. The results show that nanocomposite microgel was successful prepared under LMSH severing as physical crosslinker, and the prepared nanocomposite microgel dispersions present sky-blue state, different from oyster white of microgels crosslinked by MBA. The nanocomposite microgels crosslinked by LMSH present good spherical shape with hydrodynamic diameter less than 430 nm, which is much smaller than that of microgels crosslinked by MBA. In addition, the microgels crosslinked by LMSH show same good temperature-sensitivity. With increasing temperature from 20 to 50 degrees , turbidity value increases, but lower than that of poly(NIPAM-co-AAc) microgel. Although a 7 mol.% ratio of AAc/NIPAM was used, the volume phase transition temperature of microgels still keeps at about 31 degrees because of crosslinking structure of LMSH platelets. 19 Refs. --- --- Source: https://polymerjournals.com/influence-of-wear-and-thermal-deformation-on-machined-peek-plastic-bush-and-ti-crank-shaft/ # INFLUENCE OF WEAR AND THERMAL DEFORMATION ON MACHINED PEEK PLASTIC BUSH AND TI CRANK SHAFT > Title: INFLUENCE OF WEAR AND THERMAL DEFORMATION ON MACHINED PEEK PLASTIC BUSH AND TI CRANK SHAFT Page Range: p.117-122 Author(s): Hitonobu Koike; Katsuyuki Kida; Kenji Kanemasu; Edson Costa Santos; Justyna Rozwadowska; Megumi Uryu; Kenichi Saruwatari; Takashi Honda File size: 567K Download the... Canonical URL: https://polymerjournals.com/influence-of-wear-and-thermal-deformation-on-machined-peek-plastic-bush-and-ti-crank-shaft/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF WEAR AND THERMAL DEFORMATION ON MACHINED PEEK PLASTIC BUSH AND TI CRANK SHAFT** Page Range: p.117-122 Author(s): Hitonobu Koike; Katsuyuki Kida; Kenji Kanemasu; Edson Costa Santos; Justyna Rozwadowska; Megumi Uryu; Kenichi Saruwatari; Takashi Honda File size: 567K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101552&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In biped walking humanoid robot, toughness, durability and lightweight of joint parts are crucial factors due to parts' constant exposure to high torque and loads. Such ergonomically challenging conditions create the need for joint systems comprising independent elements capable of keeping the component operable for long periods of time. In our work, we focused on wear and thermal deformation in two different grades of both poly-etheretherketone (PEEK) and polyoxymethylene (POM) plastic bushes. The components used for investigation were bushes typically employed in speed reduction devices in joint models for biped walking humanoid robots. In such joint systems, plastic bushes are directly connected to a crankshaft, playing an important role in the robot's movement ability. In order to acquire the knowledge of how to build more efficient systems, the influence of the titanium crankshaft roughness on the frictional heat occurring between the shaft and the polymer bush as well as the input axis-output axis backlash require close examination. Based on Rolling Contact Fatigue test, we established the optimal machining conditions for the crank shafts and bushes. Also, superior to other tested polymers as far as glass transition temperature, wear toughness and thermal deformation are concerned, PEEK was found to be the best suiting material for our investigation. 19 Refs. --- --- Source: https://polymerjournals.com/effect-of-nano-caco3-on-properties-of-pp-tlcp-caco3-in-situ-hybrid-materials/ # EFFECT OF NANO-CACO3 ON PROPERTIES OF PP/TLCP/CACO3 IN-SITU HYBRID MATERIALS > Title: EFFECT OF NANO-CACO3 ON PROPERTIES OF PP/TLCP/CACO3 IN-SITU HYBRID MATERIALS Page Range: p.123-128 Author(s): Cai Jiangtao; Zhou Anning; Zhou Wenying File size: 359K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/effect-of-nano-caco3-on-properties-of-pp-tlcp-caco3-in-situ-hybrid-materials/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF NANO-CACO3 ON PROPERTIES OF PP/TLCP/CACO3 IN-SITU HYBRID MATERIALS** Page Range: p.123-128 Author(s): Cai Jiangtao; Zhou Anning; Zhou Wenying File size: 359K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101553&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In this thesis, to reinforce and soften PP plastics, thermotropic liquid crystalline polymer (TLCP) and nano-CaCO3 were used. The PP/TLCP/CaCO3 in-situ hybrid materials were prepared in a twin-screw extruder respectively by one-step and two-step method. The effect of nano-CaCO3 adding method on PP/TLCP/CaCO3 in-situ hybrid materials was investigated. Polarisation optical microscope (POM) and differential scanning calorimeter (DSC) measurements showed that: nano-CaCO3 play an important role in PP/TLCP system heterogeneous nucleation, and CaCO3 particles can increase the crystal growth rate of PP matrix more than the contribution of the improvement of crystallinity. Field emission scanning electron microscope (FESEM) observation revealed that the nano-CaCO3 enriched in the PP matrix though one-step method, which helped to promote the TLCP forming fibrils, therefore the tensile strength of one-step preparation sample was higher relatively. Mechanical measurements revealed that under the condition of the same proportion of PP/TLCP/CaCO3/PP-g-MAH=85/5/4/6, the mechanical properties of the hybrid materials prepared by one-step method were better than which of twostep method, the tensile strength of the one-step sample was 36.62 MPa, increased 2.95% more than which of two-step sample, the elongation at break of one-step method sample was 35.12%, increased 76.4%: the impact strength was 3.86 kJ/m2, and increased 4.9%. 27 Refs. --- --- Source: https://polymerjournals.com/the-influence-of-thermal-fatigue-on-the-properties-of-glass-fiber-epoxy-composites/ # THE INFLUENCE OF THERMAL FATIGUE ON THE PROPERTIES OF GLASS FIBER/EPOXY COMPOSITES > Title: THE INFLUENCE OF THERMAL FATIGUE ON THE PROPERTIES OF GLASS FIBER/EPOXY COMPOSITES Page Range: p.129-132 Author(s): Dongzhi Wang; Xinrui Zhou; Heyi Ge; Zhiyong Liu; Huashi Liu; Kangning Sun File size: 299K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/the-influence-of-thermal-fatigue-on-the-properties-of-glass-fiber-epoxy-composites/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INFLUENCE OF THERMAL FATIGUE ON THE PROPERTIES OF GLASS FIBER/EPOXY COMPOSITES** Page Range: p.129-132 Author(s): Dongzhi Wang; Xinrui Zhou; Heyi Ge; Zhiyong Liu; Huashi Liu; Kangning Sun File size: 299K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101554&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In this paper, glass fibre reinforced epoxy composites were prepared according to laminated plates design principles by using glass fibre/epoxy composite prepreg. The mechanical property of glass fibre/epoxy composite and water absorption have been investigated before and after thermal cycles. Thermal cycles were performed in the temperature range between -40 degrees -80 degrees. Through different thermal cycles (0, 60, 120, 180 cycles), it was found that the mechanical property of different ply of glass fibre/epoxy matrix composites was decreased and water absorption of composites were increased. Moreover, scanning electron microscopy (SEM) was used to characterize the fracture morphologies of glass fibre/epoxy composites before and after thermal cycles. SEM images showed that after 180 thermal cycles, the bonding effect of glass fibre and epoxy matrix interfacial layer became worse and pores increased, leading to the decrease in the mechanical properties and the increase in the water absorption. 8 Refs. --- --- Source: https://polymerjournals.com/preparation-of-styrene-and-butyl-acrylate-emulsion-with-high-solid-content-in-the-presence-of-a-polymerizable-emulsifier/ # PREPARATION OF STYRENE AND BUTYL ACRYLATE EMULSION WITH HIGH SOLID CONTENT IN THE PRESENCE OF A POLYMERIZABLE EMULSIFIER > Title: PREPARATION OF STYRENE AND BUTYL ACRYLATE EMULSION WITH HIGH SOLID CONTENT IN THE PRESENCE OF A POLYMERIZABLE EMULSIFIER Page Range: p.133-138 Author(s): Ying Feng; ChunHua Zhou; Wei Liu; RenXing Xiao File size: 286K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/preparation-of-styrene-and-butyl-acrylate-emulsion-with-high-solid-content-in-the-presence-of-a-polymerizable-emulsifier/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF STYRENE AND BUTYL ACRYLATE EMULSION WITH HIGH SOLID CONTENT IN THE PRESENCE OF A POLYMERIZABLE EMULSIFIER** Page Range: p.133-138 Author(s): Ying Feng; ChunHua Zhou; Wei Liu; RenXing Xiao File size: 286K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101555&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** An emulsifier-free emulsion was synthesised via the pre-emulsified emulsion polymerisation, with styrene (St), butyl acrylate(BA), and ammonium allyloxtmethylate nonylphenol ethoxylates sulphate (DNS-86) as the polymerisable emulsifier. The influences of the reaction temperature and time, DNS-86 amount on the emulsion polymerisation were investigated, then the most suitable polymerizing conditions were obtained, the semi-continuous method was used, T=80 degrees , t = 5 h, the dosage of DNS-86 was 2% of total monomers mass. The analysis of the profiles of IR, NMR, and Laser particle size demonstrated that the copolymerisation occurred between St, BA and DNS86 to generate P(St-BA-DNS-86) successfully, and hydrophilic sulphonic groups containing the copolymer were conducive to emulsion stability. Besides, the influences of the dosages of DNS-86 on the latex solid content and average particle size were discussed. The result showed that with the increase of DNS-86 amount, the latex solid content increased and average particle size of latex reduced, e.g., at the 2% mass amount of DNS-86 52.50% of the latex solid content, 78 nm of average diameter, 0.0379 of particle size distribution. Latex of high solids of up to 62.1% has been obtained with 5% DNS-86. The results of TEM showed that the copolymer emulsion with smaller particle size and uniform distribution could be obtained by using polymerisable emulsifier DNS-86. 13 Refs. --- --- Source: https://polymerjournals.com/electrical-and-damping-composite-films-of-mwcnts-p-styrene-butylacryl-prepared-via-in-situ-copolymerization/ # ELECTRICAL AND DAMPING COMPOSITE FILMS OF MWCNTS/P (STYRENE-BUTYLACRYL) PREPARED VIA IN SITU COPOLYMERIZATION > Title: ELECTRICAL AND DAMPING COMPOSITE FILMS OF MWCNTS/P (STYRENE-BUTYLACRYL) PREPARED VIA IN SITU COPOLYMERIZATION Page Range: p.139-144 Author(s): ChunHua Zhou; Wei Liu; Lili Wu; Ying Feng; Min Xu File size: 320K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/electrical-and-damping-composite-films-of-mwcnts-p-styrene-butylacryl-prepared-via-in-situ-copolymerization/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTRICAL AND DAMPING COMPOSITE FILMS OF MWCNTS/P (STYRENE-BUTYLACRYL) PREPARED VIA IN SITU COPOLYMERIZATION** Page Range: p.139-144 Author(s): ChunHua Zhou; Wei Liu; Lili Wu; Ying Feng; Min Xu File size: 320K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101556&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Multi-walled carbon nanotubes (MWCNTs)/P(styrene-butyl acryl) composite latex was successfully synthesised by in-situ emulsion copolymerisation to prepare MWCNTs/P(styrene-butyl acryl) composite film directly. The results by Raman spectra and FESEM showed that P(styrene-butyl acryl) copolymer molecules were combined assuredly with the surface of MWCNTs. MWCNTs coated with P(styrene-butyl acryl) could be dispersed in the emulsion evenly. Dynamic mechanical analysis showed that Tg, G' and tan of the composites films were greater in the presence of MWCNTs. Specially the vibration damping property was enhanced at elevated temperatures, indicating the strong interaction between MWCNTs and P(styrene-butyl acryl) molecules to limit the motivation of P(styrene-butyl acryl) chains. The electrical conductivity increased with the adding of MWCNTs by 7 orders of magnitude on addition of 1.5 wt.% MWNTs. So the electrical and damping film has been prepared via in situ emulsion copolymerisation. 18 Refs. --- --- Source: https://polymerjournals.com/simulation-of-non-isothermal-crystallization-kinetics-of-thermoplastics-during-fiber-placement-process/ # SIMULATION OF NON-ISOTHERMAL CRYSTALLIZATION KINETICS OF THERMOPLASTICS DURING FIBER PLACEMENT PROCESS > Title: SIMULATION OF NON-ISOTHERMAL CRYSTALLIZATION KINETICS OF THERMOPLASTICS DURING FIBER PLACEMENT PROCESS Page Range: p.145-150 Author(s): Yuehua Li; Hongya Fu; Zhenyu Han File size: 392K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/simulation-of-non-isothermal-crystallization-kinetics-of-thermoplastics-during-fiber-placement-process/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SIMULATION OF NON-ISOTHERMAL CRYSTALLIZATION KINETICS OF THERMOPLASTICS DURING FIBER PLACEMENT PROCESS** Page Range: p.145-150 Author(s): Yuehua Li; Hongya Fu; Zhenyu Han File size: 392K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101557&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Currently more and more thermoplastic composites are applied in aircraft structures. During automated fibre placement process, thermoplastic composites, which adopted 'in-situ consolidation' technology, can be formed and consolidated in several minutes. Therefore, using 'in-situ consolidation' technology instead of autoclave technology is more economically. However, some technical indicators of laminates using 'in site consolidation' technology are below the autoclave laminates. In order to eliminate the most significant barriers, the automated fibre placement process should be studied. The crystallisation rate of thermoplastic in the cooling stage of automated fibre placement is one of the most important factors. In order to obtain the special crystallisation, the cooling temperature and cooling time should be strict controlled. According to the coupling phenomena between the non-isothermal crystallisation kinetics and the heat transfer in thermoplastic during the cooling stage, a mathematical model has been established. By solving above model, the relationship among cooling temperature, cooling time and relative crystallisation rate has been obtained. Above simulated data can guide the cooling stage of automated fibre placement process. 16 Refs. --- --- Source: https://polymerjournals.com/a-new-type-of-flame-retarded-epoxy-resin-based-on-metal-phosphinates/ # A NEW TYPE OF FLAME RETARDED EPOXY RESIN BASED ON METAL PHOSPHINATES > Title: A NEW TYPE OF FLAME RETARDED EPOXY RESIN BASED ON METAL PHOSPHINATES Page Range: p.151-154 Author(s): Xueqing Liu; Jiyan Liu; Shan Sun; Jia Chen File size: 328K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/a-new-type-of-flame-retarded-epoxy-resin-based-on-metal-phosphinates/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NEW TYPE OF FLAME RETARDED EPOXY RESIN BASED ON METAL PHOSPHINATES** Page Range: p.151-154 Author(s): Xueqing Liu; Jiyan Liu; Shan Sun; Jia Chen File size: 328K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101558&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Exolit OP930 (abbreviate OP930) product based on aluminium (diethyl phosphinate) is a new class of flame retardants for the use in epoxy resin (EP). In this paper, the mechanical properties, the morphologies of fracture surfaces, thermal stability, glass transition temperature (Tg) and flame retardant of OP930-EP composites with different composition have been studied. The composites exhibit satisfying thermal properties and a high limiting oxygen index (LOI) value as well as good compatibility with the matrix. Compared to neat resin, the mechanical properties of composites are also on a very good level. 7 Refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-transparent-sebs-titania-nanocomposite-films-via-functionalization-of-sebs-and-sol-gel-process/ # PREPARATION AND PROPERTIES OF TRANSPARENT SEBS/TITANIA NANOCOMPOSITE FILMS VIA FUNCTIONALIZATION OF SEBS AND SOL-GEL PROCESS > Title: PREPARATION AND PROPERTIES OF TRANSPARENT SEBS/TITANIA NANOCOMPOSITE FILMS VIA FUNCTIONALIZATION OF SEBS AND SOL-GEL PROCESS Page Range: p.155-160 Author(s): Huanwang Guo; Xue Li File size: 281K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-transparent-sebs-titania-nanocomposite-films-via-functionalization-of-sebs-and-sol-gel-process/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF TRANSPARENT SEBS/TITANIA NANOCOMPOSITE FILMS VIA FUNCTIONALIZATION OF SEBS AND SOL-GEL PROCESS** Page Range: p.155-160 Author(s): Huanwang Guo; Xue Li File size: 281K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101559&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Transparent nanocomposite films based on a thermoplastic elastomer, poly[styrene-b-(ethylene-co-butylene)-bstyrene] triblock copolymer (SEBS), and titania sol-gel precursors are fabricated. The SEBS grafted with maleic anhydride (SEBS-g-MAH) can enhance the dispersion of titania in the SEBS matrix. The SEBS-g-MAH/titania nanocomposite films are transparent and exhibit excellent mechanical properties, including increased modulus and tensile strength, with only a slight loss of stretchability. Moreover, the uniformly dispersed titania nanoparticles in the SEBS-g-MAH matrix can enhance thermal stability of the nanocomposites. 34 Refs. --- --- Source: https://polymerjournals.com/experimental-study-on-interlaminar-fracture-toughness-of-modified-epoxy-resin-composites/ # EXPERIMENTAL STUDY ON INTERLAMINAR FRACTURE TOUGHNESS OF MODIFIED EPOXY RESIN COMPOSITES > Title: EXPERIMENTAL STUDY ON INTERLAMINAR FRACTURE TOUGHNESS OF MODIFIED EPOXY RESIN COMPOSITES Page Range: p.161-164 Author(s): Xiang Ru Wang; Xiao Qing Wu; Mei Ling Liu File size: 274K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/experimental-study-on-interlaminar-fracture-toughness-of-modified-epoxy-resin-composites/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXPERIMENTAL STUDY ON INTERLAMINAR FRACTURE TOUGHNESS OF MODIFIED EPOXY RESIN COMPOSITES** Page Range: p.161-164 Author(s): Xiang Ru Wang; Xiao Qing Wu; Mei Ling Liu File size: 274K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101560&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The epoxy resin was modified with silica nanoparticles and reinforced by carbon fibre by means of resin transfer moulding (RTM). The interlaminar fracture toughness of the laminated composites was tested and the fracture surface was observed by the microscope. The result shows that the critical energy release rate (GIC) increases by 45% and the fracture surface is tougher than the unmodified specimen. The interlaminar fracture toughness has been improved significantly. 11 Refs. --- --- Source: https://polymerjournals.com/comparative-analysis-of-stress-distribution-of-braided-composites-under-different-load-conditions/ # COMPARATIVE ANALYSIS OF STRESS DISTRIBUTION OF BRAIDED COMPOSITES UNDER DIFFERENT LOAD CONDITIONS > Title: COMPARATIVE ANALYSIS OF STRESS DISTRIBUTION OF BRAIDED COMPOSITES UNDER DIFFERENT LOAD CONDITIONS Page Range: p.165-170 Author(s): Peng Qu; Yuxi Jia; Jiaqi Nie; Xiaojun Guan File size: 394K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/comparative-analysis-of-stress-distribution-of-braided-composites-under-different-load-conditions/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARATIVE ANALYSIS OF STRESS DISTRIBUTION OF BRAIDED COMPOSITES UNDER DIFFERENT LOAD CONDITIONS** Page Range: p.165-170 Author(s): Peng Qu; Yuxi Jia; Jiaqi Nie; Xiaojun Guan File size: 394K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101561&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In this paper, a comparative analysis of microscopic stress distribution in braided composites under different load conditions has been performed using a numerical method. The complexity of the architecture in non-orthogonally braided composites leads to the difficulty in the study of microscopic stress field. A geometric model which is suitable for the description of the stress distribution has been established. The location and magnitude of stress peak under different loads were investigated and the stress concentrations were subsequently discussed. For in-plane load, the maximum stress appears at 'joint part' of main bearing tow; for out-plane load, at 'overlapped part'. These results are beneficial to detecting the damage initiation regions. The effect of braid angle on in-plane shear deformation is more intensive relative to the in-plane tension, whereas the influence is inconspicuous for the out-plane load. The comparative analysis is help for a thorough understanding of the mechanical properties of braided composites. 6 Refs. --- --- Source: https://polymerjournals.com/thermal-curing-induced-deformation-of-fiber-composite-laminates/ # THERMAL CURING INDUCED DEFORMATION OF FIBER COMPOSITE LAMINATES > Title: THERMAL CURING INDUCED DEFORMATION OF FIBER COMPOSITE LAMINATES Page Range: p.171-176 Author(s): Xiaoxia Wang; Yuxi Jia; Chengguo Wang File size: 439K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue... Canonical URL: https://polymerjournals.com/thermal-curing-induced-deformation-of-fiber-composite-laminates/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL CURING INDUCED DEFORMATION OF FIBER COMPOSITE LAMINATES** Page Range: p.171-176 Author(s): Xiaoxia Wang; Yuxi Jia; Chengguo Wang File size: 439K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101562&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The curing of fibre-reinforced composite laminates is a complex thermal-chemical-mechanical coupling process, during which composite laminates experience shape change because of resin thermal curing induced composite stress. For composite structures with high shape precision demands, the internal stress should be reduced or even avoided. According to the coupling method of multi-physical fields, the curing process and the process-induced deformation of composite laminates were simulated systematically in this work. The influencing factors are classified into two categories: matrix-dominated and fibre-dominated. The former category consists of curing shrinkage and reaction heat. Reaction heat influences the curing deformation through affecting the temperature and curing degree fields; however curing shrinkage has a direct impact on the strain. The latter one consists of ply orientation and fibre volume fraction, which influence the curing deformation by affecting the mechanical properties of the composite laminates. This study is helpful for understanding the relationship among the thermal, chemical, and mechanical behaviours. 12 Refs. --- --- Source: https://polymerjournals.com/deformation-measurement-of-composite-laminate-with-impact-damage-under-compressive-loads/ # DEFORMATION MEASUREMENT OF COMPOSITE LAMINATE WITH IMPACT DAMAGE UNDER COMPRESSIVE LOADS > Title: DEFORMATION MEASUREMENT OF COMPOSITE LAMINATE WITH IMPACT DAMAGE UNDER COMPRESSIVE LOADS Page Range: p.177-182 Author(s): Jiangtao Ruan; Shibin Wang; Jingwei Tong; Min Shen; Aymerich F; Priolo P File size: 559K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/deformation-measurement-of-composite-laminate-with-impact-damage-under-compressive-loads/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEFORMATION MEASUREMENT OF COMPOSITE LAMINATE WITH IMPACT DAMAGE UNDER COMPRESSIVE LOADS** Page Range: p.177-182 Author(s): Jiangtao Ruan; Shibin Wang; Jingwei Tong; Min Shen; Aymerich F; Priolo P File size: 559K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101563&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** The out-of-plane displacement fields for a cross-ply laminate [03/903]s with impact damage under axial compression are investigated using carrier electronic speckle pattern interferometry (carrier-ESPI) in this paper. The compression after impact (CAI) test is conducted on rectangular specimen 65mm TT87.5mm in size using an anti-buckling fixture. In order to apply a uniform load to the top of composite laminate, a self-designed device insures that an accurate loading is given. The experimental results reveal the deformation characteristics of laminate under CAI test. 10 Refs. --- --- Source: https://polymerjournals.com/a-rapid-design-and-design-knowledge-management-system-for-mould-of-autoclave-forming-resin-matrix-composite-components/ # A RAPID DESIGN AND DESIGN KNOWLEDGE MANAGEMENT SYSTEM FOR MOULD OF AUTOCLAVE FORMING RESIN MATRIX COMPOSITE COMPONENTS > Title: A RAPID DESIGN AND DESIGN KNOWLEDGE MANAGEMENT SYSTEM FOR MOULD OF AUTOCLAVE FORMING RESIN MATRIX COMPOSITE COMPONENTS Page Range: p.183-190 Author(s): Feng-yang Bi; Tian-guo Jin; Gao-liang Peng; Wen-jian Liu File size: 613K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/a-rapid-design-and-design-knowledge-management-system-for-mould-of-autoclave-forming-resin-matrix-composite-components/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A RAPID DESIGN AND DESIGN KNOWLEDGE MANAGEMENT SYSTEM FOR MOULD OF AUTOCLAVE FORMING RESIN MATRIX COMPOSITE COMPONENTS** Page Range: p.183-190 Author(s): Feng-yang Bi; Tian-guo Jin; Gao-liang Peng; Wen-jian Liu File size: 613K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101564&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Autoclave forming is an important method for manufacturing matrix composite components with large dimension and high quality. Digitisation of its manufacturing process is an active research field. The quality of manufacturing process information representation has great impact on the reuse of knowledge. Therefore, based on the analysis of devices, processing parameters and mould structure requirement in autoclave forming, an ontology-based representation for matrix composite components manufacturing process is presented. It can digitally describe and store device capability parameters, process parameters, and mould structure parameters. Thus a knowledge framework for mould design of autoclave forming is presented, and on that basis a rapid design prototype system for mould is developed, in it a mould design process wizard is built to integrate the mould design process, it include input information, calculation, analysis, data storage, display the result of mould design. The outcome of this system can be used for knowledge for autoclave forming mould design storage and reuse. 8 Refs. --- --- Source: https://polymerjournals.com/study-on-morphology-and-mechanical-properties-of-pvc-with-ultrafine-caco3-surface-modified-by-acrylate-macromolecular-modifiers/ # STUDY ON MORPHOLOGY AND MECHANICAL PROPERTIES OF PVC WITH ULTRAFINE CACO3 SURFACE-MODIFIED BY ACRYLATE MACROMOLECULAR MODIFIERS > Title: STUDY ON MORPHOLOGY AND MECHANICAL PROPERTIES OF PVC WITH ULTRAFINE CACO3 SURFACE-MODIFIED BY ACRYLATE MACROMOLECULAR MODIFIERS Page Range: p.191-196 Author(s): Ousheng Zhang; Chaocan Zhang; Lili Wu; Wenbing Sun; Liang Hu File size: 342K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/study-on-morphology-and-mechanical-properties-of-pvc-with-ultrafine-caco3-surface-modified-by-acrylate-macromolecular-modifiers/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON MORPHOLOGY AND MECHANICAL PROPERTIES OF PVC WITH ULTRAFINE CACO3 SURFACE-MODIFIED BY ACRYLATE MACROMOLECULAR MODIFIERS** Page Range: p.191-196 Author(s): Ousheng Zhang; Chaocan Zhang; Lili Wu; Wenbing Sun; Liang Hu File size: 342K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101565&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** In this paper, ultrafine CaCO3 particles were modified by four acrylate macromolecular modifiers, AC730, AC532, AC235 and AC037 with glass transition temperature from low to high, and subsequently added into PVC to investigate their influence on morphology and mechanical properties of the composites. Dispersity tests in organic solvents with different polarities show that modified CaCO3 particles can be well-dispersed in ethyl acetate and dichloromethane whose polarities are close to that of PVC, indicating good compatibility between modified CaCO3 particles and PVC. AC235 and AC037 with more content of 'rigid' MMA units have better dispersing effect on CaCO3 particles than AC730 and AC532 with more content of 'soft' BA units as revealed by SEM images of modified CaCO3 particles and PVC composites. Moreover, the results of tensile tests show that modified CaCO3 particles have obvious reinforcing and toughening effect on PVC, and the highest tensile strength and elongation at break were observed in the PVC sample modified by AC235. The results of tensile properties tests can be explained on the basis of the variations of interfacial cohesive strength and dispersing state of CaCO3 particles in PVC matrix. 14 Refs. --- --- Source: https://polymerjournals.com/composite-nanoparticles-on-the-natural-rubber-latex-glove-for-reduction-of-surface-friction-and-cytotoxicity/ # COMPOSITE NANOPARTICLES ON THE NATURAL RUBBER LATEX GLOVE FOR REDUCTION OF SURFACE FRICTION AND CYTOTOXICITY > Title: COMPOSITE NANOPARTICLES ON THE NATURAL RUBBER LATEX GLOVE FOR REDUCTION OF SURFACE FRICTION AND CYTOTOXICITY Page Range: p.197-200 Author(s): Kanjanathaworn N; Kaewsaneha C; Polpanich D; Jangpatarapongsa K; Tangboriboonrat P File size: 275K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/composite-nanoparticles-on-the-natural-rubber-latex-glove-for-reduction-of-surface-friction-and-cytotoxicity/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPOSITE NANOPARTICLES ON THE NATURAL RUBBER LATEX GLOVE FOR REDUCTION OF SURFACE FRICTION AND CYTOTOXICITY** Page Range: p.197-200 Author(s): Kanjanathaworn N; Kaewsaneha C; Polpanich D; Jangpatarapongsa K; Tangboriboonrat P File size: 275K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101566&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Poly(methyl methacrylate) (PMMA) particles were deposited via the Layer-by-Layer technique onto sulphur prevulcanised natural rubber latex film grafted with polyacrylamide (SPNR-g-PAAm). Besides an increase in surface hardness and roughness, hence, decrease of the surface friction of SPNR glove, a direct contact between skin and rubber film was reduced. Consequently, it was expected that the allergic problem to certain sensitive individuals and cytotoxic potential caused by the leachable non-rubbers (proteins) and lubricant powder sprinkled onto SPNR glove would be lowered. The SPNR and SPNR-g-PAAm coated with PMMA particles were extracted by using the culture medium and subjected to the in vitro cytotoxicity evaluation on L-929 fibroblasts. Results showed that the cytotoxicity was effectively reduced by coating PMMA particles onto the grafted rubber film. In order to improve both the binding ability with SPNR and antimicrobial activity, the PMMA-chitosan coreshell particles were prepared for further depositing onto the non-grafted SPNR film. Moreover, the nanocapsules containing an aqueous core of disinfectant agent (chlorhexidine digluconate) and poly(methyl acrylate) or sulphur prevulcanised skim rubber shell were prepared for being embedded in SPNR glove. 9 Refs. --- --- Source: https://polymerjournals.com/a-novel-beam-model-for-mode-ii-delamination-analysis-of-composite-laminates/ # A NOVEL BEAM MODEL FOR MODE-II DELAMINATION ANALYSIS OF COMPOSITE LAMINATES > Title: A NOVEL BEAM MODEL FOR MODE-II DELAMINATION ANALYSIS OF COMPOSITE LAMINATES Page Range: p.201-208 Author(s): Haitao Han; Zixing Lu; Jordan Zheng Zhang File size: 556K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/a-novel-beam-model-for-mode-ii-delamination-analysis-of-composite-laminates/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NOVEL BEAM MODEL FOR MODE-II DELAMINATION ANALYSIS OF COMPOSITE LAMINATES** Page Range: p.201-208 Author(s): Haitao Han; Zixing Lu; Jordan Zheng Zhang File size: 556K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101567&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** A two dimensional beam model is proposed for delamination analysis of composite laminates, where Timoshenko's plane cross-section assumption is abandoned, and the longitudinal displacement of the beam is proposed as continuous functions of the transverse and the longitudinal coordinates, to match shear deformations. Moreover, the composite laminate is modelled as upper and lower sub-beam through the delamination interface, and corresponding conditions for interface sliding are satisfied through a generalized variational theory. The accuracy of the results of this analytical model is verified by comparison with those from three dimensional finite element models. Furthermore, the influences of delamination depth, length, central position and modulus mismatch ratio (E1/E2) of the upper and lower sublaminate to the energy release rate are discussed. 22 Refs. --- --- Source: https://polymerjournals.com/wear-properties-of-carbon-epoxy-resin-composites-with-an-interpenetrating-network-structure-derived-from-artificial-sponge/ # WEAR PROPERTIES OF CARBON/EPOXY RESIN COMPOSITES WITH AN INTERPENETRATING NETWORK STRUCTURE DERIVED FROM ARTIFICIAL SPONGE > Title: WEAR PROPERTIES OF CARBON/EPOXY RESIN COMPOSITES WITH AN INTERPENETRATING NETWORK STRUCTURE DERIVED FROM ARTIFICIAL SPONGE Page Range: p.209-214 Author(s): Tianchi Wang; Song Kong; Chingping Wong File size: 309K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/wear-properties-of-carbon-epoxy-resin-composites-with-an-interpenetrating-network-structure-derived-from-artificial-sponge/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: WEAR PROPERTIES OF CARBON/EPOXY RESIN COMPOSITES WITH AN INTERPENETRATING NETWORK STRUCTURE DERIVED FROM ARTIFICIAL SPONGE** Page Range: p.209-214 Author(s): Tianchi Wang; Song Kong; Chingping Wong File size: 309K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101568&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** Artificial sponge was used as the template to produce carbon/epoxy resin composites with interpenetrating network structure. Carbon with a network structure was first obtained by the pyrolysis of sponge. The composites were then obtained by injecting epoxy resin into the carbon. Their microstructures and wear properties were analyzed. The results show that the structure of sponge controlled the interpenetrating network structures of the carbon/ epoxy resin composites. The carbon-network in the composites was shown to stabilize the coefficient of friction of epoxy resin. The carbon also reduces the wear rate of the epoxy resin remarkably. 7 Refs. --- --- Source: https://polymerjournals.com/preparation-of-monolithic-epoxy-resin-2-methylimidazole-porous-material-for-adsorption-electrosorption-of-cuii/ # PREPARATION OF MONOLITHIC EPOXY RESIN-2-METHYLIMIDAZOLE POROUS MATERIAL FOR ADSORPTION/ELECTROSORPTION OF CU(II) > Title: PREPARATION OF MONOLITHIC EPOXY RESIN-2-METHYLIMIDAZOLE POROUS MATERIAL FOR ADSORPTION/ELECTROSORPTION OF CU(II) Page Range: p.215-222 Author(s): Sui Wang; Yan-Ling Tao; Rui-Feng Zhang File size: 324K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-of-monolithic-epoxy-resin-2-methylimidazole-porous-material-for-adsorption-electrosorption-of-cuii/ Published: 2012-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF MONOLITHIC EPOXY RESIN-2-METHYLIMIDAZOLE POROUS MATERIAL FOR ADSORPTION/ELECTROSORPTION OF CU(II)** Page Range: p.215-222 Author(s): Sui Wang; Yan-Ling Tao; Rui-Feng Zhang File size: 324K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101569&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 20 Issue No: No.1-2 **Abstract** A new monolithic porous polymer was successfully prepared by using epoxy resin (bisphenol A diglycidyl ether, EP), 2-methylimidazole (2-MZ) as curing agent and polyethylene glycol (PEG-1540) as porogen. The reaction-induced phase separation of this system was successfully controlled by the weight ratio of EP-MZPEG (2.0:0.27:2.8) and other reaction conditions. The stepwise polymerisation completed at 100 degrees C for 11 h without disturbance mode. The porogen was removed and the monolithic material with macro-through-pores was obtained. The synthesised polymer was characterized by Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). The prepared material was found to be more efficient for Cu(II) adsorption as compare to Co(II) and Ni(II) in aqueous water. Furthermore, it was then used as the working electrode connected with a direct high-voltage power supply, and a platinum wire was used as counter electrode. The experimental conditions including the adsorption/ desorption time, pH value, adsorption/electrosorption mode, and voltage were investigated and optimized, and a new method for Cu(II) removal was established. After adsorption at pH 6, the stirring speed of 400 rpm and the voltage below 120V for 1 h, the loaded Cu(II) was then eluted with 3 mL of 5% HNO3 solution for 10 min, and determined with inductively coupled plasma atom emission spectrometry (ICP-AES). The results showed that the adsorption rate was improved significantly by the electrically enhancing means, and the recovery was > 95%. 33 Refs. --- --- Source: https://polymerjournals.com/effect-of-injection-slot-location-on-die-detached-tapered-injection-chamber-in-resin-injection-pultrusion/ # EFFECT OF INJECTION SLOT LOCATION ON DIE-DETACHED TAPERED INJECTION CHAMBER IN RESIN INJECTION PULTRUSION > Title: EFFECT OF INJECTION SLOT LOCATION ON DIE-DETACHED TAPERED INJECTION CHAMBER IN RESIN INJECTION PULTRUSION Page Range: p.513-526 Author(s): Jeswani A L; Roux J A File size: 723K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/effect-of-injection-slot-location-on-die-detached-tapered-injection-chamber-in-resin-injection-pultrusion/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF INJECTION SLOT LOCATION ON DIE-DETACHED TAPERED INJECTION CHAMBER IN RESIN INJECTION PULTRUSION** Page Range: p.513-526 Author(s): Jeswani A L; Roux J A File size: 723K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101392&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** This study seeks to continuously improve the wetout and thus the quality and productivity of pultruded parts for the tapered injection pultrusion process for an injection chamber 'detached' from the pultrusion die. Complete wetout of the dry fibre reinforcement by the liquid resin depends strongly on the axial location of the injection slot within the injection chamber. This investigation was conducted for a high pull speed with a fibre volume fraction and resin viscosity for a nominal polyester/glass roving composite. A 3-D finite volume technique was developed to simulate the flow of polyester resin through the glass rovings. The results show the impact of the axial location of the injection slot on the minimum injection pressure necessary to achieve complete fibre matrix wetout and the resin pressure within the injection chamber for a tapered injection chamber which is 'detached' upstream of the pultrusion die. Injection chamber design information is presented. 18 Refs. --- --- Source: https://polymerjournals.com/characterization-and-modelling-of-hygrothermal-effects-in-thermoplastic-nanocomposites/ # CHARACTERIZATION AND MODELLING OF HYGROTHERMAL EFFECTS IN THERMOPLASTIC NANOCOMPOSITES > Title: CHARACTERIZATION AND MODELLING OF HYGROTHERMAL EFFECTS IN THERMOPLASTIC NANOCOMPOSITES Page Range: p.527-542 Author(s): Samit Roy; Kameshwaran Narasimhan File size: 667K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No:... Canonical URL: https://polymerjournals.com/characterization-and-modelling-of-hygrothermal-effects-in-thermoplastic-nanocomposites/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION AND MODELLING OF HYGROTHERMAL EFFECTS IN THERMOPLASTIC NANOCOMPOSITES** Page Range: p.527-542 Author(s): Samit Roy; Kameshwaran Narasimhan File size: 667K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101393&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** The hygrothermal and mechanical characterisation of continuous fibre-reinforced nanocomposites in compression moulded E-Glass fibre-reinforced in polyamide-6 or nylon-6 matrix with and without different weight addition of nanoclay have been performed. E-Glass/Nylon-6 nanocomposite was characterized by means of X-Ray Diffraction to determine the nanoclay dispersion morphology. Significant improvement were achieved in compressive strength, shear strength and barrier properties with relatively low nanoclay loadings. The baseline and nanoclay modified E-Glass/Nylon-6 specimens were immersed in de-ionized water at 50 degrees C and aged hygrothermally. Mechanical tests on unaged E-Glass/Nylon-6 nanocomposite confirmed strength enhancement with nanoclay addition, with a significant improvement in compressive strength (50% at 4 wt.% nanoclay loading) and shear strength (~36% at 4 wt.% nanoclay loading). Mechanical tests on hygrothermally aged E-Glass/Nylon-6 modified with 4 wt.% nanoclay loading showed that hydrothermal degradation is drastically reduced with a significant reduction (~30%) in moisture uptake compared to baseline E-Glass/Nylon-6 composites. An analytical model is developed to capture the diffusion mechanism and attribute the change in diffusivity and moisture uptake with weight addition of nanoclay to tortuosity and reduction in free volume created by the presence of nanoclay. The loss in change in free volume computed using Atomic Force Microscopy images is compared with analytical model. 30 Refs. --- --- Source: https://polymerjournals.com/damage-mechanisms-in-hemp-fibre-woven-fabric-composite-and-comparison-with-glass-fibre-composite/ # DAMAGE MECHANISMS IN HEMP-FIBRE WOVEN FABRIC COMPOSITE, AND COMPARISON WITH GLASS-FIBRE COMPOSITE > Title: DAMAGE MECHANISMS IN HEMP-FIBRE WOVEN FABRIC COMPOSITE, AND COMPARISON WITH GLASS-FIBRE COMPOSITE Page Range: p.543-552 Author(s): Bonnafous C; Touchard F; Chocinski-Arnault L File size: 595K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/damage-mechanisms-in-hemp-fibre-woven-fabric-composite-and-comparison-with-glass-fibre-composite/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DAMAGE MECHANISMS IN HEMP-FIBRE WOVEN FABRIC COMPOSITE, AND COMPARISON WITH GLASS-FIBRE COMPOSITE** Page Range: p.543-552 Author(s): Bonnafous C; Touchard F; Chocinski-Arnault L File size: 595K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101394&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** This paper deals with hemp-fibre and glass-fibre woven fabric/epoxy composites. The aim is to analyse damage mechanisms in these composites by comparing three different methods: acoustic emission, microscopic observations and stiffness loss measurement. For acoustic emission (AE), an experimental multi-scale analysis was developed in order to identify the different damage mechanisms. Tensile tests were performed on single yarn, neat epoxy resin and composite materials to determine their AE amplitude signatures. A statistical analysis of AE amplitude signals was realised and correlated with microscopic observations. This study has enabled to identify the amplitude and to track, during tensile tests, three types of damage in these composites: matrix cracking, interfacial debonding and reinforcement fracture. It shows the different processes of damage development in natural fibre reinforced composites, in comparison with glass fibre composites. These results were compared to the measured stiffness loss of composites. It allows one to highlight the difficulty to link this mechanical damage parameter with physical AE events. 35 Refs. --- --- Source: https://polymerjournals.com/low-energy-impact-indentation-of-an-epoxy-carbon-fiber-laminate/ # LOW ENERGY IMPACT INDENTATION OF AN EPOXY-CARBON FIBER LAMINATE > Title: LOW ENERGY IMPACT INDENTATION OF AN EPOXY-CARBON FIBER LAMINATE Page Range: p.553-558 Author(s): Martinez A B; Xiang G; Arencon D; Velasco J I File size: 432K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/low-energy-impact-indentation-of-an-epoxy-carbon-fiber-laminate/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: LOW ENERGY IMPACT INDENTATION OF AN EPOXY-CARBON FIBER LAMINATE** Page Range: p.553-558 Author(s): Martinez A B; Xiang G; Arencon D; Velasco J I File size: 432K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101395&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** The impact event involves the motion of the specimen, the motion of the striker and the local indentation in the contact zone. In order to study the effect of the local indentation, epoxy-carbon fibre laminate specimens supported on a very rigid steel plate, were subjected to low energy impacts in an instrumented falling weight dotted with an instrumented striker with an hemispherical head. The obtained restitution coefficients show that the energy absorption by indentation is not negligible. It has been developed a lumped mass spring model based in the Hertz law which agrees with the experimental contact forces, indenter displacements and restitution coefficient, which give a very good fitting. This non-conservative model allowed assessment of the Young's modulus at these relatively high strain rates. 8 Refs. --- --- Source: https://polymerjournals.com/environmental-degradation-of-starch-polylactic-acid-composite-in-seawater/ # ENVIRONMENTAL DEGRADATION OF STARCH/POLY(LACTIC ACID) COMPOSITE IN SEAWATER > Title: ENVIRONMENTAL DEGRADATION OF STARCH/POLY(LACTIC ACID) COMPOSITE IN SEAWATER Page Range: p.559-566 Author(s): Xiaolei Chen; Lumin Wang; Jiangao Shi; Hang Shi; Yongli Liu File size: 324K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/environmental-degradation-of-starch-polylactic-acid-composite-in-seawater/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ENVIRONMENTAL DEGRADATION OF STARCH/POLY(LACTIC ACID) COMPOSITE IN SEAWATER** Page Range: p.559-566 Author(s): Xiaolei Chen; Lumin Wang; Jiangao Shi; Hang Shi; Yongli Liu File size: 324K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101396&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** In order to study the degradation property of starch/polylactic acid (PLA) composites in a briny environment, injection-moulded tensile bars of starch/PLA composites were investigated by immersion in static seawater controlled at 25 degrees C for 1 year. SEM micrographs showed that starch particles were lost from the bar because of microbial action. GPC results showed the number average molecular weight (Mn) of PLA decreased with degradation time. The glass transition temperature (Tg) and melting temperature (Tm) measured by DSC decreased slightly with degradation time. An increase of crystallinity calculated from the DSC data was attributed to the decrease of molecular weight. Weight losses were mainly due to loss of starch. The impact strength of the composites decreased monotonically with degradation time; tensile strength and elongation at break of the composites first decreased, then increased and at last decreased again with degradation time, and the water was acting as a plasticiser. The starch/PLA composites in seawater had degradability, but the degradation rate of composite bars studied in this paper was very slow. 23 Refs. --- --- Source: https://polymerjournals.com/the-influence-of-the-extrusion-temperature-on-the-mechanical-properties-of-mmt-filled-pa-6-composite/ # THE INFLUENCE OF THE EXTRUSION TEMPERATURE ON THE MECHANICAL PROPERTIES OF MMT FILLED PA 6 COMPOSITE > Title: THE INFLUENCE OF THE EXTRUSION TEMPERATURE ON THE MECHANICAL PROPERTIES OF MMT FILLED PA 6 COMPOSITE Page Range: p.567-572 Author(s): Meszaros L; Olah L; Ronkay F; Czvikovszky T File size: 383K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/the-influence-of-the-extrusion-temperature-on-the-mechanical-properties-of-mmt-filled-pa-6-composite/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INFLUENCE OF THE EXTRUSION TEMPERATURE ON THE MECHANICAL PROPERTIES OF MMT FILLED PA 6 COMPOSITE** Page Range: p.567-572 Author(s): Meszaros L; Olah L; Ronkay F; Czvikovszky T File size: 383K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101397&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** Effects of varying extrusion temperatures on the mechanical properties of polyamide 6 (PA 6) matrix montmorillonite (MMT) filled composites were investigated in this paper. Five different temperature programs were used for producing composites with 1 wt.% nanoparticles content. The mechanical properties were evaluated by tensile and flexural tests and SEM pictures were taken from the fracture surfaces. X-ray diffraction patterns were also measured to obtain some information about the structures of the materials. The results showed that the lower extrusion temperatures resulted in better mechanical properties of the composite. 13 Refs. --- --- Source: https://polymerjournals.com/characterization-of-chitosan-hyaluronic-acid-blended-membranes-and-their-effects-on-the-growth-of-keratocytes/ # CHARACTERIZATION OF CHITOSAN-HYALURONIC ACID BLENDED MEMBRANES AND THEIR EFFECTS ON THE GROWTH OF KERATOCYTES > Title: CHARACTERIZATION OF CHITOSAN-HYALURONIC ACID BLENDED MEMBRANES AND THEIR EFFECTS ON THE GROWTH OF KERATOCYTES Page Range: p.573-580 Author(s): Zi-Ang Yao; Hai-Ge Wu File size: 523K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/characterization-of-chitosan-hyaluronic-acid-blended-membranes-and-their-effects-on-the-growth-of-keratocytes/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION OF CHITOSAN-HYALURONIC ACID BLENDED MEMBRANES AND THEIR EFFECTS ON THE GROWTH OF KERATOCYTES** Page Range: p.573-580 Author(s): Zi-Ang Yao; Hai-Ge Wu File size: 523K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101398&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** In order to construct a suitable scaffold for corneal cell culture and transplantation in vitro, various chitosanhyaluronic acid blended membranes were prepared, and the properties of the blended membranes were studied. Rabbit keratocytes were seeded onto the blended membrane surfaces and the effects of the blended membranes on cell attachment and metabolism were investigated. The results showed that chitosan and hyaluronic acid (HA) were compatible in blended membranes. HA improved the homogeneity, crystallisation and transparency, and decreased the tensile strength and hydrophilicity of blended membranes within the blending ratio of 1:0.05. Under the blending ratio of 1:0.02, HA reduced the harm that the chitosan membrane caused the cells and improved the biocompatibility between cells and membranes. Rabbit keratocytes grew and formed a confluent monolayer on the chitosan-hyaluronic acid blended membrane within a blending ratio of 1:0.02. All the results indicated that chitosan and HA were compatible within the blending ratio of 1:0.02, and the blended membranes had homogeneous structure, suitable physicochemical properties and biocompatibility with cells, this implied that the blended membranes could be used as a scaffold for corneal cell culture in vitro and as a potential carrier for corneal endothelial cell transplantation. 14 Refs. --- --- Source: https://polymerjournals.com/a-kinetic-model-of-alkali-catalyzed-phenol-furfural-novalac-resinification/ # A KINETIC MODEL OF ALKALI CATALYZED PHENOL-FURFURAL NOVALAC RESINIFICATION > Title: A KINETIC MODEL OF ALKALI CATALYZED PHENOL-FURFURAL NOVALAC RESINIFICATION Page Range: p.581-586 Author(s): Sanjeev Ahuja; Daljit Singh File size: 289K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No:... Canonical URL: https://polymerjournals.com/a-kinetic-model-of-alkali-catalyzed-phenol-furfural-novalac-resinification/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A KINETIC MODEL OF ALKALI CATALYZED PHENOL-FURFURAL NOVALAC RESINIFICATION** Page Range: p.581-586 Author(s): Sanjeev Ahuja; Daljit Singh File size: 289K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101399&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** In this paper, experimental studies were carried out on the preparation of phenol-furfural novalac resins in the presence of potassium carbonate catalyst with a wide range of furfural to phenol (F/P) mole ratios in the feed. A reaction scheme, applicable to alkali catalyzed phenol-furfural novalac resins, was postulated. A model was developed by the lumping of the different reactivities of the sites of phenol into their functionalities. The effects of the mole ratio of the reactants and the functionality of the phenol on the rate constant were examined. 19 Refs. --- --- Source: https://polymerjournals.com/photopolymerization-of-bis4-methacryloylmethylphenylsulfide-and-bis4-methacryloylmethylphenylsulfone-with-vinyl-monomers-and-properties-of-the-prepared-copolymers/ # PHOTOPOLYMERIZATION OF BIS(4-METHACRYLOYLMETHYLPHENYL)SULFIDE AND BIS(4-METHACRYLOYLMETHYLPHENYL)SULFONE WITH VINYL MONOMERS AND PROPERTIES OF THE PREPARED COPOLYMERS > Title: PHOTOPOLYMERIZATION OF BIS(4-METHACRYLOYLMETHYLPHENYL)SULFIDE AND BIS(4-METHACRYLOYLMETHYLPHENYL)SULFONE WITH VINYL MONOMERS AND PROPERTIES OF THE PREPARED COPOLYMERS Page Range: p.587-592 Author(s): Wieslaw Rudz; Gawdzik B File size: 232K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/photopolymerization-of-bis4-methacryloylmethylphenylsulfide-and-bis4-methacryloylmethylphenylsulfone-with-vinyl-monomers-and-properties-of-the-prepared-copolymers/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHOTOPOLYMERIZATION OF BIS(4-METHACRYLOYLMETHYLPHENYL)SULFIDE AND BIS(4-METHACRYLOYLMETHYLPHENYL)SULFONE WITH VINYL MONOMERS AND PROPERTIES OF THE PREPARED COPOLYMERS** Page Range: p.587-592 Author(s): Wieslaw Rudz; Gawdzik B File size: 232K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101400&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** The reaction of photopolymerisation of bis(4-methacryloylmethylphenyl)sulphide (BMcMPhS) and bis(4methacryloylmethylphenyl)sulphone (BMcMPhSu) with the typical vinyl monomers: methyl methacrylate (MMA) and styrene (St) in the presence of the two photoinitiators: Irgacure 651 and Darocur 1173 are presented. The influence of percentage concentration of BMcMPhS and BMcMPhSu on the gelation times of the prepared copolymers was studied. The effect of the used photoinitiator concentrations on gelation times was also investigated. For the chosen copolymers, mechanical properties including tensile strength, elongation at break, Young modulus, Brinell's and Shore's hardness were determined. The results showed that copolymers with MMA had shorter gelation times than those with St. Gelation times were shorter when Darocur 1173 was used as a photoinitiator. An increase of Darocur 1173 concentration caused a decrease of gelation times, whereas in the case of Irgacure 651 the opposite relation was observed. 26 Refs. --- --- Source: https://polymerjournals.com/reinforced-rubber-with-ionic-liquid-modified-carbon-black/ # REINFORCED RUBBER WITH IONIC LIQUID MODIFIED CARBON BLACK > Title: REINFORCED RUBBER WITH IONIC LIQUID MODIFIED CARBON BLACK Page Range: p.593-602 Author(s): Yanda Lei; Baochun Guo; Xiaoliang Liu; Demin Jia File size: 464K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/reinforced-rubber-with-ionic-liquid-modified-carbon-black/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: REINFORCED RUBBER WITH IONIC LIQUID MODIFIED CARBON BLACK** Page Range: p.593-602 Author(s): Yanda Lei; Baochun Guo; Xiaoliang Liu; Demin Jia File size: 464K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101401&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** The ionic liquid, 1-butyl-3-methylimidazole hexafluorophosphate (BmimPF6), was utilized to modify carbon black (CB) via microwave (MW) irradiation. The conditions for the preparation of the modified CB (m-CB) were optimized. The reinforceability of the m-CB in styrene-butadiene rubber (SBR), butadiene rubber (BR) and nitrile rubber (NBR) composites were evaluated. The curing behaviour, morphology and tensile properties of the rubber/m-CB composites were studied and compared with those of composites filled with unmodified CB. Rubber/m-CB compounds showed a significant increase in the curing rate for a generated zinc complex with the alkylimidazoles. Compared with CB, m-CB exhibited a significantly improved reinforceability of the rubbers at lower filler loading, although the mechanical properties were changed slightly at higher filler loading. A possible mechanism was proposed, based on the molecular slippage theory in which the interfacial bonding, the filler loading and the chain flexibility of the rubber molecules were all considered. 43 Refs. --- --- Source: https://polymerjournals.com/rheology-morphology-and-mechanical-property-relationship-of-non-halogen-flame-retarded-glass-fibre-reinforced-polyamide-66/ # RHEOLOGY, MORPHOLOGY AND MECHANICAL PROPERTY RELATIONSHIP OF NON-HALOGEN FLAME RETARDED GLASS FIBRE REINFORCED POLYAMIDE 66 > Title: RHEOLOGY, MORPHOLOGY AND MECHANICAL PROPERTY RELATIONSHIP OF NON-HALOGEN FLAME RETARDED GLASS FIBRE REINFORCED POLYAMIDE 66 Page Range: p.603-610 Author(s): Liping Li; Bin Li File size: 394K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/rheology-morphology-and-mechanical-property-relationship-of-non-halogen-flame-retarded-glass-fibre-reinforced-polyamide-66/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGY, MORPHOLOGY AND MECHANICAL PROPERTY RELATIONSHIP OF NON-HALOGEN FLAME RETARDED GLASS FIBRE REINFORCED POLYAMIDE 66** Page Range: p.603-610 Author(s): Liping Li; Bin Li File size: 394K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101402&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** In this study, the rheological behaviour of polyamide 66 (PA 66) composites consisting of flame retardant (FR)MPP, glass fibre (GF) was characterized with a capillary rheometer at different shear rates. The effect of the shear rate on the viscosity and flow curve was discussed in terms of the power law index for non-Newtonian flow. The effect of the loading level of flame retardant on the rheological properties was studied. The results showed that MPP modified the interfacial interaction between PA 66 and glass fibre. The PA 66/GF/MPP composite behaviour as shear thinning flow under the experimental conditions was investigated, and the investigation of activation energy showed that the proper processing temperature was 275 degrees C for PA 66/GF/MPP. The morphology of the samples observed by scanning electron microscopy was consistent with the predictions from rheological results. The influence of rheology and morphology on the mechanical properties was also examined. It was found that mechanical strength of the composites was improved within a certain range of contents. 17 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-antimicrobial-activity-of-amphiphilic-copolymer-derivatives/ # SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF AMPHIPHILIC COPOLYMER DERIVATIVES > Title: SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF AMPHIPHILIC COPOLYMER DERIVATIVES Page Range: p.611-618 Author(s): Yongxiao Bai; Yaobin Liu; Yanfeng Li; Caiping Chang; Qi Zhang File size: 397K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/synthesis-and-antimicrobial-activity-of-amphiphilic-copolymer-derivatives/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF AMPHIPHILIC COPOLYMER DERIVATIVES** Page Range: p.611-618 Author(s): Yongxiao Bai; Yaobin Liu; Yanfeng Li; Caiping Chang; Qi Zhang File size: 397K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101403&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** A series of antimicrobial amphiphilic quaternised copolymers are synthesised through glycidyl methacrylate and styrene after poly(glycidyl methacrylate-co-styrene) modified by introduction of chloroethylic groups using chloroacetyl chloride. The antimicrobial activity of the obtained copolymers was evaluated against the gram-negative bacteria Escherichia coli, the gram-positive bacteria Bacillus subtilus, Staphyloccocus aureus Rosenbach and the fungus Monilia albican by the cut-plug method and Luria-Bertani broth suspended method. The research showed that the copolymer with the molar ratio of monomers 30:70 was the most effective against the microorganisms. The minimum inhibitory concentration (MIC) values of the polymer with against Staphyloccocus aureus Rosenbach and Monilia albican were found to be 31.3 and 32.1 (mu) g/mL, respectively, and these copolymers did not have any haemolytic action for mammalian erythrocytes. 36 Refs. --- --- Source: https://polymerjournals.com/theoretical-and-experimental-investigation-on-helium-leakage-characterization-of-flexible-film-fabric-laminated-composites/ # THEORETICAL AND EXPERIMENTAL INVESTIGATION ON HELIUM LEAKAGE CHARACTERIZATION OF FLEXIBLE FILM-FABRIC LAMINATED COMPOSITES > Title: THEORETICAL AND EXPERIMENTAL INVESTIGATION ON HELIUM LEAKAGE CHARACTERIZATION OF FLEXIBLE FILM-FABRIC LAMINATED COMPOSITES Page Range: p.619-624 Author(s): Xue Feng Yao; Qing Wu; Chao Xiong; Pin Jing Wen; Hui Feng Tan File size: 349K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/theoretical-and-experimental-investigation-on-helium-leakage-characterization-of-flexible-film-fabric-laminated-composites/ Published: 2011-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THEORETICAL AND EXPERIMENTAL INVESTIGATION ON HELIUM LEAKAGE CHARACTERIZATION OF FLEXIBLE FILM-FABRIC LAMINATED COMPOSITES** Page Range: p.619-624 Author(s): Xue Feng Yao; Qing Wu; Chao Xiong; Pin Jing Wen; Hui Feng Tan File size: 349K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-7&JournalID=101404&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.7 **Abstract** Flexible film-fabric laminated composites with low-density and high-performance are important envelope materials in stratosphere aerostats. In this paper, a multilayer leak model is used to predict the helium leak rate of the virgin samples by the Fick's law, which shows a good agreement with experimental data. The influences of mechanical damage, ultraviolet radiation and intense ozone corrosion on the Young's modulus and the permeability of envelop materials are investigated in experiment, which are confirmed by means of damage-induced helium leakage models. Finally, helium leakage mechanisms of flexible film-fabric laminated composites are analyzed. 9 Refs. --- --- Source: https://polymerjournals.com/enhanced-continuous-glass-fibre-reinforced-polyphthalazinone-ether-sulfone-ketone-composites-by-blending-polyetherimide-and-polyethersulfone/ # ENHANCED CONTINUOUS GLASS FIBRE-REINFORCED POLY(PHTHALAZINONE ETHER SULFONE KETONE) COMPOSITES BY BLENDING POLYETHERIMIDE AND POLYETHERSULFONE > Title: ENHANCED CONTINUOUS GLASS FIBRE-REINFORCED POLY(PHTHALAZINONE ETHER SULFONE KETONE) COMPOSITES BY BLENDING POLYETHERIMIDE AND POLYETHERSULFONE Page Range: p.445-450 Author(s): Liang Zheng; Xigao Jian File size: 324K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/enhanced-continuous-glass-fibre-reinforced-polyphthalazinone-ether-sulfone-ketone-composites-by-blending-polyetherimide-and-polyethersulfone/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ENHANCED CONTINUOUS GLASS FIBRE-REINFORCED POLY(PHTHALAZINONE ETHER SULFONE KETONE) COMPOSITES BY BLENDING POLYETHERIMIDE AND POLYETHERSULFONE** Page Range: p.445-450 Author(s): Liang Zheng; Xigao Jian File size: 324K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101346&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** Poly(phthalazinone ether sulphone ketone) (PPESK) is a novel high performance thermoplastic with outstanding high temperature resistance and excellent mechanical properties and therefore, it is a very ideal candidate matrix for advanced composites. However, the high melt viscosity of PPESK makes it difficult to melt-process. In this paper, two well-known high performance thermoplastics, polyetherimide (PEI) and polyethersulphone (PES) were introduced into PPESK in order to reduce its melt viscosity and to improve the properties of its composites. The effect of the addition of PEI and PES on the resultant composites was studied. A series of unidirectional composites was made from PPESK and its PEI and PES blends as matrices and continuous glass fibre as reinforcement. The solution prepregging method and hot-press moulding method were used in the preparation of composites. The effects of the polymer blend matrices on the mechanical properties, interfacial adhesion and fracture mode were studied by three point bending, interlaminar shearing, porosity measurements and SEM microscopy. The results showed that the mechanical properties and interfacial adhesion increased and the porosity decreased after blending PEI or PES in the matrix. Addition of PEI and PES to PPESK also resulted in an obvious transition of fracture mode. 22 Refs. --- --- Source: https://polymerjournals.com/flow-instability-of-polyvinyl-alcohol-dimethyl-sulfoxide-solution-under-steady-shear/ # FLOW INSTABILITY OF POLY(VINYL ALCOHOL)/DIMETHYL SULFOXIDE SOLUTION UNDER STEADY SHEAR > Title: FLOW INSTABILITY OF POLY(VINYL ALCOHOL)/DIMETHYL SULFOXIDE SOLUTION UNDER STEADY SHEAR Page Range: p.451-458 Author(s): Sung Yeol Do; Chang Yeol Ryu; Yong Rok Lee; Jae Jin Shim; Seok Kyun Noh; Joon Ho Kim; Sang Woo Joo; Yeong Soon Gal; Sung Soo Han;... Canonical URL: https://polymerjournals.com/flow-instability-of-polyvinyl-alcohol-dimethyl-sulfoxide-solution-under-steady-shear/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLOW INSTABILITY OF POLY(VINYL ALCOHOL)/DIMETHYL SULFOXIDE SOLUTION UNDER STEADY SHEAR** Page Range: p.451-458 Author(s): Sung Yeol Do; Chang Yeol Ryu; Yong Rok Lee; Jae Jin Shim; Seok Kyun Noh; Joon Ho Kim; Sang Woo Joo; Yeong Soon Gal; Sung Soo Han; Won Seok Lyoo File size: 345K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101347&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** The effects of solution temperature and molecular weight on the rheological responses of poly(vinyl alcohol) (PVA) semidilute solutions (13 g/dL - 19 g/dL) in dimethyl sulphoxide (DMSO) have been studied using PVA with two different number-average degrees of polymerisation (Pn): 1700 and 4000. For the rheological experiments using dynamic shear, the PVA solution with a Pn of 1700 showed rather simple Newtonian fluid behaviour, whereas that with Pn of 4000 exhibited non-Newtonian shear thinning behaviour. Steady shear rheology experiments suggested that the lower Pn PVA solutions were Newtonian fluids, which is consistent with the dynamic shear rheology results. However, an abrupt decrease of shear viscosity at high shear rates was observed for the higher Pn PVA solutions at lower temperatures, such as 30 °C and 50 °C. At higher temperatures of 70 °C and 90 °C, the higher molecular weight PVA solutions exhibited simple shear thinning behaviour without any further complications of flow instability. The fact that temperature plays a critical role in controlling the observed flow instability of the PVA solutions in DMSO strongly suggests that there exist enhanced inter-chain interactions by hydrogen bonding of PVA chains beyond the chain entanglements, particularly for the higher Pn PVA semidilute solutions at low temperatures. Therefore, it is important to consider both chain entanglements and hydrogen bonding interactions in order to process PVA solutions without causing undesirable flow instability. 20 Refs. --- --- Source: https://polymerjournals.com/hybrid-fibre-reinforced-epoxy-composites-for-pultrusion-mechanical-and-thermal-properties/ # HYBRID FIBRE REINFORCED EPOXY COMPOSITES FOR PULTRUSION: MECHANICAL AND THERMAL PROPERTIES > Title: HYBRID FIBRE REINFORCED EPOXY COMPOSITES FOR PULTRUSION: MECHANICAL AND THERMAL PROPERTIES Page Range: p.459-468 Author(s): Chin-Hsing Chen; Ping-Hung Chen File size: 406K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19... Canonical URL: https://polymerjournals.com/hybrid-fibre-reinforced-epoxy-composites-for-pultrusion-mechanical-and-thermal-properties/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HYBRID FIBRE REINFORCED EPOXY COMPOSITES FOR PULTRUSION: MECHANICAL AND THERMAL PROPERTIES** Page Range: p.459-468 Author(s): Chin-Hsing Chen; Ping-Hung Chen File size: 406K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101348&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** Hybrid glass/carbon fibre reinforced epoxy (GF/CF/Epoxy) composites have been manufactured by pultrusion processes, in order to obtain the best mechanical properties, thermal properties and optimum price of hybrid GF/CF/Epoxy composites for pultrusion. The static mechanical properties including flexural strength, flexural modulus, notched Izod impact strength and swelling ratio, the dynamic mechanical properties including dynamic storage modulus, E' and tan (delta)(Tg), and the thermal properties including of weight loss by TGA of pultruded hybrid GF/CF/Epoxy composites were investigated. The results showed that the flexural modulus increased with the increasing of carbon fibre content. The flexural strength, notched Izod impact strength and swelling ratio of pultruded composites decreased with increasing carbon fibre content. The E' of pultruded composites increased with the carbon fibre content, postcuring temperature and postcuring time. The peak of tan (delta) for pultruded composites was shifted to a higher temperature when the carbon fibre content, postcuring temperature, and postcuring time were increased. From TGA, the weight loss of pultruded composites decreased with the carbon fibre content, postcuring temperature, and postcuring time in an inert (N2 gas) atmosphere, and the char yield increased with the carbon fibre content, postcuring temperature, and postcuring time. From the SEM morphology, excellent wet-out of the hybrid fibre by the epoxy resin could be observed. 24 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-polyethylene-terephthalate-boehmite-nanocomposites/ # PREPARATION AND CHARACTERIZATION OF POLY(ETHYLENE TEREPHTHALATE)/BOEHMITE NANOCOMPOSITES > Title: PREPARATION AND CHARACTERIZATION OF POLY(ETHYLENE TEREPHTHALATE)/BOEHMITE NANOCOMPOSITES Page Range: p.469-476 Author(s): Jianjun Zhang; Quan Ji; Ping Zhang; Qingshan Kong; Yanzhi Xia File size: 469K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-polyethylene-terephthalate-boehmite-nanocomposites/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF POLY(ETHYLENE TEREPHTHALATE)/BOEHMITE NANOCOMPOSITES** Page Range: p.469-476 Author(s): Jianjun Zhang; Quan Ji; Ping Zhang; Qingshan Kong; Yanzhi Xia File size: 469K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101349&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** The morphology, flame retardancy and non-isothermal crystallisation behaviour of pure PET and poly(ethylene terephthalate)/nano-boehmite composites (PET/AlOOH) prepared in situ were characterized using several techniques. The morphology of the nanocomposites carried out using transmission electron microscopy (TEM) showed that the nano-boehmite particles were uniformly dispersed in the polymer matrix and formed crosslinked structures. Combustion behaviour and flammability were assessed using cone calorimetry (CONE). The results indicated that the total heat release (THR) and smoke production rate of PET/AlOOH were significantly less than those of pure PET. Study of the behaviour and kinetics of non-isothermal crystallisation of pure PET and PET/AlOOH nanocomposites was accomplished by DSC analysis. The results showed that the AlOOH could act as an effective nucleation agent for the crystallisation of PET, while the presence of boehmite decreased the crystallisation rate and extended the time of crystallisation of PET, which can be explained by the formation of partly-crosslinked structure of PET/AlOOH nanocomposites. 18 Refs. --- --- Source: https://polymerjournals.com/experimental-investigation-of-the-longitudinal-compressive-strength-of-carbon-fibres-with-a-direct-measurement-system/ # EXPERIMENTAL INVESTIGATION OF THE LONGITUDINAL COMPRESSIVE STRENGTH OF CARBON FIBRES WITH A DIRECT MEASUREMENT SYSTEM > Title: EXPERIMENTAL INVESTIGATION OF THE LONGITUDINAL COMPRESSIVE STRENGTH OF CARBON FIBRES WITH A DIRECT MEASUREMENT SYSTEM Page Range: p.477-484 Author(s): Zhang Boming; Wu Yufen; Yang Zhong; Wang Xiaohong File size: 422K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/experimental-investigation-of-the-longitudinal-compressive-strength-of-carbon-fibres-with-a-direct-measurement-system/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXPERIMENTAL INVESTIGATION OF THE LONGITUDINAL COMPRESSIVE STRENGTH OF CARBON FIBRES WITH A DIRECT MEASUREMENT SYSTEM** Page Range: p.477-484 Author(s): Zhang Boming; Wu Yufen; Yang Zhong; Wang Xiaohong File size: 422K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101350&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** Characterisation of the mechanical properties of carbon fibres is crucial to the design of fibre reinforced composite materials. However, little has been done due to the complexity and inaccuracy of some of the necessary tests. In order to study the compressive properties of single fibres, a direct system for single carbon fibre compressive strength was set up based on previous studies; several kind of PAN-based carbon fibres were examined at specimen gauge lengths from 20 to 150 micrometre using this system. It was discovered that the experimental compressive strength was constant when the length of carbon was in the range of 20~90 micrometre; when the sample's length was beyond 90 micrometre, the compressive strength decreased sharply. The reason is that its deformation mode was not compressive but buckling. In order to compare with corresponding tensile behaviour, a tensile strength test was also carried out, and it was discovered that the compressive strength was about 50% of the tensile strength for single fibres. 20 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-n-carboxy-methylthioureido-chitosan-and-its-dispersion-capability/ # SYNTHESIS AND CHARACTERIZATION OF N-(CARBOXY-METHYLTHIOUREIDO)-CHITOSAN AND ITS DISPERSION CAPABILITY > Title: SYNTHESIS AND CHARACTERIZATION OF N-(CARBOXY-METHYLTHIOUREIDO)-CHITOSAN AND ITS DISPERSION CAPABILITY Page Range: p.485-490 Author(s): Liu J; Min Wu Y; Li Nie Z File size: 287K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-n-carboxy-methylthioureido-chitosan-and-its-dispersion-capability/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF N-(CARBOXY-METHYLTHIOUREIDO)-CHITOSAN AND ITS DISPERSION CAPABILITY** Page Range: p.485-490 Author(s): Liu J; Min Wu Y; Li Nie Z File size: 287K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101351&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** Water-soluble N-carboxymethylthioureidochitosan (CMTC) was synthesised by the reaction between chitosan (CTS) and ammonium thiocyanate and chloroacetic acid in a hydrochloric acid aqueous solution. The modified product was confirmed by Fourier transform infrared (FTIR) spectrometry, X-ray diffractometry (XRD) and thermal analysis. The results showed that new functional groups had been linked to amino groups of CTS molecules, and the product was more amorphous than CTS. The dispersion stability of CMTC was examined with a sedimentation test of 1 wt.% kaolin suspension in test tubes, under different concentrations and different pH. The results indicated that CMTC may be applicable for use as a novel stabiliser in neutral solution in which the concentration of CMTC is 0.5% or 1%. 25 Refs. --- --- Source: https://polymerjournals.com/combustion-behaviour-and-synergistic-effect-of-zinc-borate-and-microencapsulated-red-phosphorus-with-magnesium-hydroxide-in-flame-retarded-polypropylene-composites/ # COMBUSTION BEHAVIOUR AND SYNERGISTIC EFFECT OF ZINC BORATE AND MICROENCAPSULATED RED PHOSPHORUS WITH MAGNESIUM HYDROXIDE IN FLAME-RETARDED POLYPROPYLENE COMPOSITES > Title: COMBUSTION BEHAVIOUR AND SYNERGISTIC EFFECT OF ZINC BORATE AND MICROENCAPSULATED RED PHOSPHORUS WITH MAGNESIUM HYDROXIDE IN FLAME-RETARDED POLYPROPYLENE COMPOSITES Page Range: p.491-496 Author(s): Xiaolang Chen; Jie Yu; Jun Qin; Zhu Luo; Shuchun Hu; Min He File size: 284K Download the pdf... Canonical URL: https://polymerjournals.com/combustion-behaviour-and-synergistic-effect-of-zinc-borate-and-microencapsulated-red-phosphorus-with-magnesium-hydroxide-in-flame-retarded-polypropylene-composites/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMBUSTION BEHAVIOUR AND SYNERGISTIC EFFECT OF ZINC BORATE AND MICROENCAPSULATED RED PHOSPHORUS WITH MAGNESIUM HYDROXIDE IN FLAME-RETARDED POLYPROPYLENE COMPOSITES** Page Range: p.491-496 Author(s): Xiaolang Chen; Jie Yu; Jun Qin; Zhu Luo; Shuchun Hu; Min He File size: 284K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101352&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** In this paper, the limiting oxygen index (LOI), Underwriters' Laboratories-94 (UL-94) test, cone calorimeter test (CCT), and thermogravimetric analysis (TGA) were used to study the flame-retardant properties of polypropylene (PP) composites and the synergistic flame-retardant effects of zinc borate (ZB) and/or microencapsulated red phosphorus (MRP) with modified magnesium hydroxide (MH) on PP. The experimental results showed that the addition of ZB and MRP had a great effect on the flammability of the PP composites. The data obtained from the CCT indicated that the heat release rate (HRR), the effective heat of combustion (EHC), and the mass loss of the flame-retarded PP composites decreased markedly with increasing addition of ZB and/or MRP. The data obtained from the TGA curves indicated that the thermal stabilities of PP/MH/ZB and PP/MH/ZB/MRP composites were better than those of PP/MH composites. 28 Refs. --- --- Source: https://polymerjournals.com/modulating-chromium-containing-leather-wastes-into-improved-composite-sheets-using-polydimethylsiloxane/ # MODULATING CHROMIUM CONTAINING LEATHER WASTES INTO IMPROVED COMPOSITE SHEETS USING POLYDIMETHYLSILOXANE > Title: MODULATING CHROMIUM CONTAINING LEATHER WASTES INTO IMPROVED COMPOSITE SHEETS USING POLYDIMETHYLSILOXANE Page Range: p.497-504 Author(s): Ashokkumar M; Thanikaivelan P; Chandrasekaran B File size: 298K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/modulating-chromium-containing-leather-wastes-into-improved-composite-sheets-using-polydimethylsiloxane/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODULATING CHROMIUM CONTAINING LEATHER WASTES INTO IMPROVED COMPOSITE SHEETS USING POLYDIMETHYLSILOXANE** Page Range: p.497-504 Author(s): Ashokkumar M; Thanikaivelan P; Chandrasekaran B File size: 298K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101353&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** Huge quantities of chrome-tanned leather wastes are produced every year from leather, footwear and clothing related industries. Many attempts have been made to reuse them in the form of boards, sheets, composites, etc. However, most of those methods have deficiencies such as low flexibility, cost effectiveness, non-eco-friendly, stringent process control and unacceptable properties. Our current work relies on an alternate method of reusing these wastes to form composite sheets with desirable characteristics. The waste chrome shavings were partially hydrolyzed and made into composite sheets using an eco-friendly polydimethylsiloxane (PDMS) polymer. The sheets were characterized for their mechanical, thermal and morphological properties. The tensile and thermal properties of composite sheets increase gradually upon increase in PDMS concentration up to 20 wt.% followed by an abrupt decrease when the PDMS concentration increased further to 30 and 40 wt.%. The softness of sheets has an inverse relationship with tensile stress and directly proportional to the elongation values. Fourier transformed infrared (FTIR) analysis of composite sheets revealed the presence of dominant peaks corresponding to amide bands of collagen as well as characteristic bands of PDMS, showing the homogeneity of the developed composite sheets. Thus the developed composite sheets demonstrate potential for numerous applications in footwear, clothing and related industries. 50 Refs. --- --- Source: https://polymerjournals.com/studies-on-analysis-and-characterization-of-phenolic-composites-fabricated-from-lignocellulosic-fibres/ # STUDIES ON ANALYSIS AND CHARACTERIZATION OF PHENOLIC COMPOSITES FABRICATED FROM LIGNOCELLULOSIC FIBRES > Title: STUDIES ON ANALYSIS AND CHARACTERIZATION OF PHENOLIC COMPOSITES FABRICATED FROM LIGNOCELLULOSIC FIBRES Page Range: p.505-512 Author(s): Vijay Kumar Thakur; Amar Singh Singha; Inderjeet Kaur; Ramkumar Pudukotai Nagarajarao; Yang Liping File size: 375K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/studies-on-analysis-and-characterization-of-phenolic-composites-fabricated-from-lignocellulosic-fibres/ Published: 2011-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDIES ON ANALYSIS AND CHARACTERIZATION OF PHENOLIC COMPOSITES FABRICATED FROM LIGNOCELLULOSIC FIBRES** Page Range: p.505-512 Author(s): Vijay Kumar Thakur; Amar Singh Singha; Inderjeet Kaur; Ramkumar Pudukotai Nagarajarao; Yang Liping File size: 375K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-6&JournalID=101354&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.6 **Abstract** The use of lignocellulosic natural fibres has gained a growing interest during the last few years, principally due to many advantages these fibres can provide in terms of cost, renewability, biodegradability, aesthetic properties, environmental impact etc. Keeping in mind the immense advantages of natural fibres, the present communication is a study on the synthesis and characterisation of lignocellulosic Saccaharum cilliare fibre-reinforced polymer biocomposites through compression-moulding technique using phenol-formaldehyde (PF) resin as a novel polymer matrix. The effect of fibre loading on the mechanical, morphological and thermal properties of cellulose fibre reinforced biocomposites has been investigated. Mechanical properties such as tensile strength, flexural strength, compressive strength and wear resistance of fibre-reinforced polymer composites have been investigated as a function of fibre loading. Reinforcing of the polymer resin with lignocellulosic fibres was done in the particle (200 micron) form. The intact polymer biocomposites fabricated showed a common trend of enhancement in the mechanical properties with fibre loadings up to 30%, and beyond this loading the properties decreased. Fibre/ matrix interaction has been analyzed by mechanical and morphological (SEM) studies. Thermal (TGA/ DTA/ DTG) studies have also been carried out on the PF matrix, Saccaharum ciliare fibre and particle-reinforced (P-Rnf) biocomposites. 30 Refs. --- --- Source: https://polymerjournals.com/improving-the-structure-and-physical-properties-of-ldpe-foams-using-silica-nanoparticles-as-an-additive/ # IMPROVING THE STRUCTURE AND PHYSICAL PROPERTIES OF LDPE FOAMS USING SILICA NANOPARTICLES AS AN ADDITIVE > Title: IMPROVING THE STRUCTURE AND PHYSICAL PROPERTIES OF LDPE FOAMS USING SILICA NANOPARTICLES AS AN ADDITIVE Page Range: p.63-78 Author(s): Saiz-Arroyo C; Escudero J; Rodriguez-Perez M A; De Saja J A Click Here to Download Now! - File size: 242K (subscribers only)... Canonical URL: https://polymerjournals.com/improving-the-structure-and-physical-properties-of-ldpe-foams-using-silica-nanoparticles-as-an-additive/ Published: 2011-02-01T00:00:00+00:00 Categories: Cellular Polymers **Title: IMPROVING THE STRUCTURE AND PHYSICAL PROPERTIES OF LDPE FOAMS USING SILICA NANOPARTICLES AS AN ADDITIVE** ![](http://cp.jpg)Page Range: p.63-78 Author(s): Saiz-Arroyo C; Escudero J; Rodriguez-Perez M A; De Saja J A ![](http://dload.gif)Click Here to Download Now! - File size: 242K (subscribers only)![](http://pdf.gif) Journal: Cellular Polymers Issue Year: cp Volume: 30 Issue No: No.2 **Abstract** Low density polyethylene/silica nanocomposites have been produced by melt blending and foamed in a high pressure autoclave by gas (CO2) dissolution. Different amounts of nanosilica, (from 1 wt% to 9 wt%) were used in order to analyze the influence of silica content on thermal and mechanical properties of both foamed and un-foamed composites. It has been proved that the presence of silica nanoparticles modifies the structure and properties of both foamed and un-foamed materials. An increase in the crystallinity of the polymeric matrix as well as a decrease in cell size (for low contents of silica) have been observed. In addition it was found a significant increment of melt strength, thermal stability and mechanical properties for both solids and foams. From the obtained results, it has been concluded that silica particles play a multifunctional role in this system, and in addition to this, it has been demonstrated that the use of nanoparticles can produce synergetic effects, increasing foam mechanical properties in a greater extend than that of the solids. 30 Refs. --- Source: https://polymerjournals.com/new-generation-amphoteric-comb-like-copolymer-superplasticizer-and-its-properties/ # NEW GENERATION AMPHOTERIC COMB-LIKE COPOLYMER SUPERPLASTICIZER AND ITS PROPERTIES > Title: NEW GENERATION AMPHOTERIC COMB-LIKE COPOLYMER SUPERPLASTICIZER AND ITS PROPERTIES Page Range: p.1-8 Author(s): Changwen Miao; Qianping Ran; Jiaping Liu; Yonglin Mao; Yan Shang; Jianfang Sha File size: 331K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/new-generation-amphoteric-comb-like-copolymer-superplasticizer-and-its-properties/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NEW GENERATION AMPHOTERIC COMB-LIKE COPOLYMER SUPERPLASTICIZER AND ITS PROPERTIES** Page Range: p.1-8 Author(s): Changwen Miao; Qianping Ran; Jiaping Liu; Yonglin Mao; Yan Shang; Jianfang Sha File size: 331K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101247&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** The incorporation of high performance superplasticisers in concrete is one of the most effective and economic technological methods for achieving sustainable development in the concrete industry. Conventional polyelectrolytetype superplasticisers have some defects, e.g. poor dispersibility, large slump loss, increasing the shrinkage of concrete and pollution when being manufactured. Although the new generation of comb-like polycarboxylate superplasticisers has remarkable benefits in practice, it also has the shortcoming of low saturation dosage. In this study, based on adsorption-dispersion mechanism of dispersant and polyampholyte solution theory, a new class of amphoteric comb-like copolymer superplasticiser (PACP) was designed and synthesised. The effects of PACP on water reduction, setting, compressive strength, hydration and pore structure were investigated systematically. Results show that PACP can be dosed in small amounts to obtain a water reduction up to 45%. The addition of PACP also does not retard cement hydration and significantly increases the compressive strength of hardened concrete at early and ultimate stages. Moreover, PACP can further improve the rate of heat evolution, delays the time to reach the highest hydration temperature and refines the pore structure of hardened cement paste markedly, leading to decreases of porosity and average pore size. 23 Refs. --- --- Source: https://polymerjournals.com/effects-of-mwnts-cooh-on-the-combustion-behaviour-and-the-flame-retardancy-properties-of-pet/ # EFFECTS OF MWNTS-COOH ON THE COMBUSTION BEHAVIOUR AND THE FLAME RETARDANCY PROPERTIES OF PET > Title: EFFECTS OF MWNTS-COOH ON THE COMBUSTION BEHAVIOUR AND THE FLAME RETARDANCY PROPERTIES OF PET Page Range: p.9-14 Author(s): Jianjun Zhang; Jingzong Zhang; Quan Ji; Liwen Tan; Yanzhi Xia; Qingshan Kong File size: 269K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effects-of-mwnts-cooh-on-the-combustion-behaviour-and-the-flame-retardancy-properties-of-pet/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF MWNTS-COOH ON THE COMBUSTION BEHAVIOUR AND THE FLAME RETARDANCY PROPERTIES OF PET** Page Range: p.9-14 Author(s): Jianjun Zhang; Jingzong Zhang; Quan Ji; Liwen Tan; Yanzhi Xia; Qingshan Kong File size: 269K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101248&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** Novel carboxyl-modified MWNTs-containing PET nanocomposites (PET/MWNTs-COOH) were successfully prepared via an in-situ method. Thermal stability and flame-retardancy properties of PET/MWNTs-COOH nanocomposites were investigated by cone calorimetry (CONE), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The CONE calorimetry results showed that PET/MWNTs-COOH had a lower heat release rate (HRR) and total smoke production (TSR), compared with those of pure PET. TGA indicated that the incorporation of MWNTs-COOH increased the char residues and improved the thermal stability of pure PET. SEM images of the char crusts showed that PET/MWNTs-COOH formed more continuous and thicker char residues than those formed with pure PET during combustion. The above results indicated that combustion behaviour and flame retardancy properties of the MWNTs-COOH/PET nanocomposites were sufficiently enhanced that MWNTs-COOH could act as a flame retardancy agent for a PET matrix. Condensed phase and gas phase mechanisms were proposed for the PET/MWNTs-COOH flame-retardancy effect. 20 Refs. --- --- Source: https://polymerjournals.com/near-infrared-spectroscopy-and-principal-components-regression-for-the-quality-analysis-of-glass-epoxy-prepreg/ # NEAR-INFRARED SPECTROSCOPY AND PRINCIPAL COMPONENTS REGRESSION FOR THE QUALITY ANALYSIS OF GLASS/EPOXY PREPREG > Title: NEAR-INFRARED SPECTROSCOPY AND PRINCIPAL COMPONENTS REGRESSION FOR THE QUALITY ANALYSIS OF GLASS/EPOXY PREPREG Page Range: p.15-20 Author(s): Wei Li; Wei Jia Gao; Ping Chen; Bao Lei Sun File size: 358K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/near-infrared-spectroscopy-and-principal-components-regression-for-the-quality-analysis-of-glass-epoxy-prepreg/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NEAR-INFRARED SPECTROSCOPY AND PRINCIPAL COMPONENTS REGRESSION FOR THE QUALITY ANALYSIS OF GLASS/EPOXY PREPREG** Page Range: p.15-20 Author(s): Wei Li; Wei Jia Gao; Ping Chen; Bao Lei Sun File size: 358K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101249&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** A near-infrared (NIR) spectroscopic technique associated with a principal components regression (PCR) algorithm has been applied for rapid and nondestructive quality determination of glass/epoxy prepreg. Abundant information of prepreg related with the resin and volatile was observed in the spectra. The raw spectra and first derivative spectra over different spectral ranges were analyzed to obtain the optimum models. The models had correlation coefficients(R) of 0.950 for the volatile content and 0.981 for the resin content. The root mean square errors of prediction (RMSEP) for the volatile content and the resin content were 0.316% and 0.666%, respectively. The NIR spectroscopy method can be used to determine the resin content and the volatile content simultaneously, and the prepreg could be analyzed once within 30 s without sample destruction. 16 Refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-polyimide-silica-nanocomposites-with-coupling-agent/ # SYNTHESIS AND CHARACTERIZATION OF POLYIMIDE/SILICA NANOCOMPOSITES WITH COUPLING AGENT > Title: SYNTHESIS AND CHARACTERIZATION OF POLYIMIDE/SILICA NANOCOMPOSITES WITH COUPLING AGENT Page Range: p.21-28 Author(s): Shang-Chih Chou; Yao-Yi Cheng; Chi-An Dai File size: 351K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-polyimide-silica-nanocomposites-with-coupling-agent/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF POLYIMIDE/SILICA NANOCOMPOSITES WITH COUPLING AGENT** Page Range: p.21-28 Author(s): Shang-Chih Chou; Yao-Yi Cheng; Chi-An Dai File size: 351K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101250&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** In this study, silica particles were introduced into a polyimide (PI) matrix to enhance its thermal and mechanical properties. Monomers of 3,3',4,4'-biphenyl tetracarboxylic dianhydride (BPDA) and p-phenylenediamine (p-PDA) were employed to synthesize the poly(amic acid) (PAA). Polyimide/SiO2 composites were obtained through a sol-gel process using tetraethoxysilane and multi-step thermal curing processes. The properties of the PI/SiO2 composites with various kinds of coupling agents to enhance the bonding between them were also studied. TGA results indicated that silica particles were dispersed uniformly in the PI matrix at the nano-scale level, as observed in SEM images. The coefficient of thermal expansion was decreased by an increase of the silica content. 33 Refs. --- --- Source: https://polymerjournals.com/plasma-treatment-and-its-effects-on-the-tribological-behaviour-of-basalt-epoxy-woven-composites-in-a-marine-environment/ # PLASMA TREATMENT AND ITS EFFECTS ON THE TRIBOLOGICAL BEHAVIOUR OF BASALT/EPOXY WOVEN COMPOSITES IN A MARINE ENVIRONMENT > Title: PLASMA TREATMENT AND ITS EFFECTS ON THE TRIBOLOGICAL BEHAVIOUR OF BASALT/EPOXY WOVEN COMPOSITES IN A MARINE ENVIRONMENT Page Range: p.29-34 Author(s): Kim M H; Rhee K Y; Park S J File size: 313K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/plasma-treatment-and-its-effects-on-the-tribological-behaviour-of-basalt-epoxy-woven-composites-in-a-marine-environment/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PLASMA TREATMENT AND ITS EFFECTS ON THE TRIBOLOGICAL BEHAVIOUR OF BASALT/EPOXY WOVEN COMPOSITES IN A MARINE ENVIRONMENT** Page Range: p.29-34 Author(s): Kim M H; Rhee K Y; Park S J File size: 313K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101251&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** Interfacial debonding at the fibre/matrix interface is known to cause the critical fracture of fibre-reinforced polymer composites (FRPs). Especially in a marine environment, the bonding between fibre and matrix is easily weakened by moisture absorption. In this study, a basalt woven fabric was surface-treated by atmospheric oxygen plasma to improve adhesive force at the fibre/matrix interface and its effects on the wear properties of a basalt/epoxy woven composite in a marine environment were investigated. Ball-on-disk wear tests were performed and scanning electron microscopy (SEM) was used to analyze the wear track. The results indicated that oxygen plasma treatment of a basalt fibre reduced moisture diffusion in basalt/epoxy woven composites; while an untreated specimen took 30 days to reach maximum moisture content, similar moisture content was only observed in the oxygen plasma treated specimen after 40 days. In addition, oxygen plasma treatment of a basalt fibre improved the wear properties of the basalt/epoxy woven composite, and the wear volume of the basalt/epoxy woven composite (prior to moisture absorption) was reduced from 2.95 mm3 to 0.65 mm3. The surface treatment also appeared to cause an increase in the interfacial adhesion between the fibre and resin, thus reducing the debonding of basalt fibres on the wear surface. 17 Refs. --- --- Source: https://polymerjournals.com/preparation-of-low-molecular-weight-polyvinyl-alcohol-montmorillonite-composite-nanoparticles-using-an-electrospraying-technique/ # PREPARATION OF LOW MOLECULAR WEIGHT POLY(VINYL ALCOHOL)/MONTMORILLONITE COMPOSITE NANOPARTICLES USING AN ELECTROSPRAYING TECHNIQUE > Title: PREPARATION OF LOW MOLECULAR WEIGHT POLY(VINYL ALCOHOL)/MONTMORILLONITE COMPOSITE NANOPARTICLES USING AN ELECTROSPRAYING TECHNIQUE Page Range: p.35-40 Author(s): Sung Min Park; Jae Hyeung Park; Md Shahidul Islam; Jin Hyun Choi; Han Do Ghim; Nam Sik Yoon; Jeong Hyun Yeum File size: 229K... Canonical URL: https://polymerjournals.com/preparation-of-low-molecular-weight-polyvinyl-alcohol-montmorillonite-composite-nanoparticles-using-an-electrospraying-technique/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF LOW MOLECULAR WEIGHT POLY(VINYL ALCOHOL)/MONTMORILLONITE COMPOSITE NANOPARTICLES USING AN ELECTROSPRAYING TECHNIQUE** Page Range: p.35-40 Author(s): Sung Min Park; Jae Hyeung Park; Md Shahidul Islam; Jin Hyun Choi; Han Do Ghim; Nam Sik Yoon; Jeong Hyun Yeum File size: 229K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101252&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** Composite nanoparticles composed of low molecular weight poly(vinyl alcohol) (LMW-PVA) and montmorillonite (MMT) were prepared using the electrospraying technique by regulating PVA solution concentration. Field emission type scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, reflection type X-ray diffraction and thermal gravimetric analysis were utilized to characterize the LMW-PVA/MMT composite nanoparticles morphology and properties. MMT platelets were exfoliated and well distributed within the composite nanoparticles. It was also found that the thermal stability was enhanced by the addition of MMT. 37 Refs. --- --- Source: https://polymerjournals.com/failure-load-of-mechanically-fastened-immersed-composite-laminated-plates-under-a-preloaded-moment/ # FAILURE LOAD OF MECHANICALLY FASTENED IMMERSED COMPOSITE LAMINATED PLATES UNDER A PRELOADED MOMENT > Title: FAILURE LOAD OF MECHANICALLY FASTENED IMMERSED COMPOSITE LAMINATED PLATES UNDER A PRELOADED MOMENT Page Range: p.41-46 Author(s): Emre Ciplak; Onur Sayman File size: 502K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/failure-load-of-mechanically-fastened-immersed-composite-laminated-plates-under-a-preloaded-moment/ Published: 2011-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FAILURE LOAD OF MECHANICALLY FASTENED IMMERSED COMPOSITE LAMINATED PLATES UNDER A PRELOADED MOMENT** Page Range: p.41-46 Author(s): Emre Ciplak; Onur Sayman File size: 502K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc19-1&JournalID=101253&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 19 Issue No: No.1 **Abstract** The effect of water absorption and corrosive sea water on the failure response of an angle ply glass fibre reinforced-epoxy composite oriented as [0/0/90/45]s has been experimentally investigated. The specimens were first tested in unimmersed conditions, and afterwards another group of specimens was immersed in sea water for 200 days. The experiments were performed using some parameters for the pinned and bolted specimens. The specimens were tested under pre-load moments of 3 Nm and 6 Nm. The results point out that the pre-load moments increase the failure load. Moreover, immersion of the composite specimens into the sea water under preload moments can cause a notable decrease of the failure load. 21 Refs. --- --- Source: https://polymerjournals.com/film-morphology-and-electroluminescence-of-poly99-di-2-ethylhexyl-fluorenyl-27-diyl-blended-with-a-hole-transporting-polymer/ # FILM MORPHOLOGY AND ELECTROLUMINESCENCE OF POLY\[9,9-DI-(2′-ETHYLHEXYL) FLUORENYL-2,7-DIYL\] BLENDED WITH A HOLE TRANSPORTING POLYMER > Title: FILM MORPHOLOGY AND ELECTROLUMINESCENCE OF POLY[9,9-DI-(2'-ETHYLHEXYL) FLUORENYL-2,7-DIYL] BLENDED WITH A HOLE TRANSPORTING POLYMER Page Range: p.469-476 Author(s): Qiushu Zhang File size: 365K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18... Canonical URL: https://polymerjournals.com/film-morphology-and-electroluminescence-of-poly99-di-2-ethylhexyl-fluorenyl-27-diyl-blended-with-a-hole-transporting-polymer/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FILM MORPHOLOGY AND ELECTROLUMINESCENCE OF POLY[9,9-DI-(2'-ETHYLHEXYL) FLUORENYL-2,7-DIYL] BLENDED WITH A HOLE TRANSPORTING POLYMER** Page Range: p.469-476 Author(s): Qiushu Zhang File size: 365K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101238&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** This paper reports on the phase-separated film morphology and electroluminescence (EL) of a polyfluorene, poly[9,9-di-(2'-ethylhexyl)fluorenyl-2,7-diyl], blended with the hole transport material, poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(N,N'-bis(4-butylphenyl -1,1'-biphenylene-4,4'-diamine))]. The film morphology changes remarkably with the blend ratio. Other factors like polymer solution concentration, substrate and film thickness could also influence the film morphology. The addition of the hole-transporting polymer to the host polymer improved device properties of light-emitting diodes (LEDs). The maximum luminance achieved was 884 cd/m2. The maximum external quantum efficiency of the blended polyfluorene devices was 0.1%, which is more than three times higher than that of the pristine polyfluorene LEDs. The introduction of the hole-transporting polymer also modifies the EL spectrum. For the blend-based devices, the EL peaked at 504 nm, having a blue shift of 33 nm compared to that of the single polymer based devices. Phase-separated domains, or interactions at their interfaces, may play a role in the improved device performance. 28 Refs. --- --- Source: https://polymerjournals.com/liquid-silicone-rubber-vulcanizates-network-structure-property-relationship-and-cure-kinetics/ # LIQUID SILICONE RUBBER VULCANIZATES: NETWORK STRUCTURE – PROPERTY RELATIONSHIP AND CURE KINETICS > Title: LIQUID SILICONE RUBBER VULCANIZATES: NETWORK STRUCTURE – PROPERTY RELATIONSHIP AND CURE KINETICS Page Range: p.477-488 Author(s): Rajesh G; Maji P K; Mithun Bhattacharya; Anusuya Choudhury; Nabarun Roy; Anubhav Saxena; Bhowmick A K File size: 709K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/liquid-silicone-rubber-vulcanizates-network-structure-property-relationship-and-cure-kinetics/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: LIQUID SILICONE RUBBER VULCANIZATES: NETWORK STRUCTURE – PROPERTY RELATIONSHIP AND CURE KINETICS** Page Range: p.477-488 Author(s): Rajesh G; Maji P K; Mithun Bhattacharya; Anusuya Choudhury; Nabarun Roy; Anubhav Saxena; Bhowmick A K File size: 709K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101239&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** Liquid silicone rubber (LSR) vulcanisates have been prepared from vinyl-end capped polydimethylsiloxane (PDMS) and polymethylhydrogenosiloxane (PMHS) in presence of platinum catalyst using solution casting technique. The science involving synthesis of usable silicone rubber by curing with polymethylhydrogenosiloxane has been studied in details. The effects of vinyl content of PDMS and the ratio of hydride crosslinker to vinyl concentration on crosslink density, mechanical, dynamic-mechanical and thermal properties have been discussed. It has been found that at optimum level of crosslinker, the LSR vulcanisate shows a maximum crosslink density with highest improvement in mechanical and thermal properties. The amount of crosslinker required, depends upon the number of vinyl functionality per unit length of the polymer chain and the chemical composition of the hydride crosslinker. This study makes a novel attempt to determine cure kinetics of PDMS by using Fourier Transform Infrared spectroscopy. Measurements have been done at three different temperatures and found to follow the first order reaction with respect to consumption of vinyl (C=C) and silyl hydride groups (Si-H). The activation energy and kinetic parameters have been determined as well. 48 Refs. --- --- Source: https://polymerjournals.com/electrical-and-dielectric-properties-of-multi-walled-carbon-nanotube-filled-polypropylene-nanocomposites/ # ELECTRICAL AND DIELECTRIC PROPERTIES OF MULTI-WALLED CARBON NANOTUBE FILLED POLYPROPYLENE NANOCOMPOSITES > Title: ELECTRICAL AND DIELECTRIC PROPERTIES OF MULTI-WALLED CARBON NANOTUBE FILLED POLYPROPYLENE NANOCOMPOSITES Page Range: p.489-494 Author(s): Prashantha K; Soulestin J; Lacrampe M F; Krawczak P; Dupin G; Claes M; Tewari A File size: 373K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/electrical-and-dielectric-properties-of-multi-walled-carbon-nanotube-filled-polypropylene-nanocomposites/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTRICAL AND DIELECTRIC PROPERTIES OF MULTI-WALLED CARBON NANOTUBE FILLED POLYPROPYLENE NANOCOMPOSITES** Page Range: p.489-494 Author(s): Prashantha K; Soulestin J; Lacrampe M F; Krawczak P; Dupin G; Claes M; Tewari A File size: 373K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101240&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** Different concentrations of multi-wall carbon nanotubes (MWNTs) filled polypropylene (PP) nanocomposites were prepared through PP/MWNT masterbatch dilution process by melt compounding with a twin-screw extruder. Prepared nanocomposites were characterized for their electrical resistivity and dielectric properties. The experimental results revealed that incorporation of MWNTs in PP matrix had decreased the electrical resistivity and increased the dielectric constant at low dielectric loss. The electrical conductivity and dielectric constant of PP/MWNT nanocomposites increased significantly near the percolation thresholds, which is equal to 2 wt.% of MWNTs. The PP nanocomposite containing 5 wt.% MWNT exhibited a high dielectric constant under wide sweep frequencies attended by low dielectric loss. Its dielectric constant is >110 under lower frequency, and remains the same in the entire frequency range. Interestingly, dielectric constant values of the prepared nanocomposite systems have weak or nil frequency dependence in the entire frequency range. Morphological characterisation was done using scanning electron microscopy (SEM) and it was observed that nanotubes are distributed reasonably uniformly indicating a good dispersion of nanotubes in the PP matrix. The obtained results indicate that a common commercial plastic with good comprehensive performance, which exhibited the potential for applications in advanced electronics, was obtained by a simple industry benign technique. 47 Refs. --- --- Source: https://polymerjournals.com/investigation-on-flame-retardancy-and-antidripping-of-new-intumescent-flame-retardant-polypropylene-film/ # INVESTIGATION ON FLAME RETARDANCY AND ANTIDRIPPING OF NEW INTUMESCENT FLAME RETARDANT POLYPROPYLENE FILM > Title: INVESTIGATION ON FLAME RETARDANCY AND ANTIDRIPPING OF NEW INTUMESCENT FLAME RETARDANT POLYPROPYLENE FILM Page Range: p.495-502 Author(s): Peng Bai; Bin Li; Suliang Gao; Mo Lin; Mi Wang File size: 448K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/investigation-on-flame-retardancy-and-antidripping-of-new-intumescent-flame-retardant-polypropylene-film/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INVESTIGATION ON FLAME RETARDANCY AND ANTIDRIPPING OF NEW INTUMESCENT FLAME RETARDANT POLYPROPYLENE FILM** Page Range: p.495-502 Author(s): Peng Bai; Bin Li; Suliang Gao; Mo Lin; Mi Wang File size: 448K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101241&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** A novel intumescent flame retardant (IFR) system consisting of a novel char forming agent (CFA), modified ammonium polyphosphate (MAPP), a synergistic agent (4A zeolite) and an antidripping agent (SN3300) was used in an intumescent flame retardant polypropylene film (IFR-PP film). The original ammonium polyphosphate (OAPP) was modified by octadecylamine to enhance its compatibility with the PP matrix. According to the results obtained from the flame retardancy tests, MAPP had a higher efficiency than OAPP, and the IFR-PP film without the antidripping agent reached a high limiting oxygen index (LOI) value, but it failed to pass UL-94 VTM-0 rating (0.2 mm). The reasonable loading of SN3300 was 0.10~0.15 wt.% (26 wt.% loading of IFR). Greater or smaller loadings did not help the samples to pass VTM-0 rating, and even deteriorated the flame-retardancy of the film. Based on thermogravimetric analytical data, the IFR enhanced the thermal stability of composites at high temperature and effectively increased the char residue. The cone results demonstrated that the IFR could reduce the flammability of PP films based on reduced heat release rate (HRR), total heat release (THR), smoke production rate (SPR) and total smoke production (TSP); also IFR containing MAPP became more effective in reducing smoke release than one containing OAPP. The mechanical properties test results showed that films containing MAPP had better tensile strength and tear strength. The morphological structures observed by scanning electron microscopy (SEM) showed that MAPP had much better compatibility with a PP matrix than OAPP, and it made the char layer become more homogeneous and dense. 34 Refs. --- --- Source: https://polymerjournals.com/effect-of-reactive-diluents-and-kaolin-on-the-mechanical-properties-of-epoxy-resin/ # EFFECT OF REACTIVE DILUENTS AND KAOLIN ON THE MECHANICAL PROPERTIES OF EPOXY RESIN > Title: EFFECT OF REACTIVE DILUENTS AND KAOLIN ON THE MECHANICAL PROPERTIES OF EPOXY RESIN Page Range: p.503-510 Author(s): Bakar M; Szymanska J; Rudecka J; Fitas J File size: 495K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effect-of-reactive-diluents-and-kaolin-on-the-mechanical-properties-of-epoxy-resin/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF REACTIVE DILUENTS AND KAOLIN ON THE MECHANICAL PROPERTIES OF EPOXY RESIN** Page Range: p.503-510 Author(s): Bakar M; Szymanska J; Rudecka J; Fitas J File size: 495K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101242&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** Epoxy resin was modified using phenyl diglycidyl ether (PGE), xylene and kaolin. The impact strength (IS), critical stress intensity factor (KC), flexural strength and glass transition temperature (Tg) were evaluated as functions of the modifier content. It was found that the addition of diluents led to a significant reduction of both viscosity and Tg. A three-fold increase of IS was obtained with the addition of 2.5% PGE. Moreover, the addition of 15% PGE resulted in about 145% enhancement of the KC parameter. However, the addition of xylene had no significant effect on these properties. Furthermore, the addition of 10% kaolin to epoxy resin gave compositions with the highest fracture toughness. Maximum KC values were obtained with epoxy hybrid compositions containing 10% kaolin and 2.5% PGE and 10% kaolin and 5% PGE respectively. All tested compositions had higher energy at break than non-modified epoxy resin. SEM micrographs of fractured surfaces of modified epoxy compositions revealed the presence of plastic deformations, which can be considered as the main source of the mechanical properties enhancement. 13 Refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-pbma-sio2-tio2-hybrid-fibres/ # PREPARATION AND CHARACTERIZATION OF PBMA/SIO2-TIO2 HYBRID FIBRES > Title: PREPARATION AND CHARACTERIZATION OF PBMA/SIO2-TIO2 HYBRID FIBRES Page Range: p.511-516 Author(s): Haihong Ma; Tiejun Shi File size: 315K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 Abstract... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-pbma-sio2-tio2-hybrid-fibres/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF PBMA/SIO2-TIO2 HYBRID FIBRES** Page Range: p.511-516 Author(s): Haihong Ma; Tiejun Shi File size: 315K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101243&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** Silica-titania (SiO2-TiO2) blend sols were prepared via a sol-gel method from tetraethoxylsilane and tetrabutyl titanate. Poly(butyl methacrylate) (PBMA)/SiO2-TiO2 hybrid sols were synthesised through in-situ polymerisation of butyl methacrylate (BMA) in the blend sol. After ageing treatment, PBMA/SiO2-TiO2 hybrid fibres were prepared by drawing from the hybrid sol. The mechanism of the hybrid reaction was studied carefully. The hybrid fibres were characterized by Fourier transform infrared (FT-IR) spectrometry, scanning electron microscopy (SEM), High-resolution transmission electron microscopy (HRTEM), Fluorescence Spectrophotometry (FL), Ultraviolet Visible Spectrometry (UV-Vis) and Thermogravimetric Analysis (TGA). FT-TR results suggested that PBMA was linked to SiO2-TiO2 network through chemical bonds. SEM measurements indicated that the diameter of the fibres was about 50 micrometre, and the whole system was homogeneous. HRTEM images showed that the dimensions of the organic phase were about 50 nm, and the distributions of the organic phase were not very uniform. FL and UV-Vis measurements confirm the fluorescence of the hybrid fibres with improved shielding to UV. TGA measurements suggest that the hybrid fibres show better resistance to heat than pure PBMA. 15 Refs. --- --- Source: https://polymerjournals.com/structures-and-mechanical-properties-of-polyurethane-clay-composites-prepared-by-different-pre-mixing-procedures/ # STRUCTURES AND MECHANICAL PROPERTIES OF POLYURETHANE/CLAY COMPOSITES PREPARED BY DIFFERENT PRE-MIXING PROCEDURES > Title: STRUCTURES AND MECHANICAL PROPERTIES OF POLYURETHANE/CLAY COMPOSITES PREPARED BY DIFFERENT PRE-MIXING PROCEDURES Page Range: p.517-526 Author(s): Jen-Taut Yeh; Maw-Cherng Suen; Yu-Ching Lai; Hsun-Tsing Lee; Cheng-Chi Chen File size: 380K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/structures-and-mechanical-properties-of-polyurethane-clay-composites-prepared-by-different-pre-mixing-procedures/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURES AND MECHANICAL PROPERTIES OF POLYURETHANE/CLAY COMPOSITES PREPARED BY DIFFERENT PRE-MIXING PROCEDURES** Page Range: p.517-526 Author(s): Jen-Taut Yeh; Maw-Cherng Suen; Yu-Ching Lai; Hsun-Tsing Lee; Cheng-Chi Chen File size: 380K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101244&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** A novel method for preparing polyurethane/nano-clay composites was used in this study. The nano-clay was pre-mixed with the various components, such as diphenylmethane diisocyanate (MDI), 2,2-bis(hydroxymethyl) propionic acid (DMPA) or polytetramethyleneglycol (PTMG), of polyurethane (PU) polymer to prepare the composites. The PU/clay composites prepared by this method revealed that the values of the tensile strength at break, the elongation at break, the modulus and the surface roughness for the composite prepared from the pre-mixture of clay and PTMG (PU/clay-PTMG composite) were higher than those for the composite prepared from the pre-mixture of clay and MDI (PU/clay-MDI composite), the composite prepared from the pre-mixture of clay and DMPA (PU/clay-DMPA composite) and PU. The thickness of the crystals for PU/clay-MDI and PU/clay-DMPA composites was larger than that for PU and PU/clay-PTMG; whereas the layer distance of the crystals for PU/clay-MDI and PU/clay-DMPA composites was smaller than those for PU and PU/clay-PTMG. The values of glass transition temperature (Tg) of soft and hard segments were in the order of PU/clay-MDI > PU/clay-DMPA > PU > PU/clay-PTMG. Among the three PU/clay composites prepared by the pre-mixing procedure, PU/clay-MDI and PU/clay-DMPA composites showed significant gathering of the nano-clay in the PU matrix. A possible mechanism of the structural changes under tensile stress was speculated to explain the reason for the higher tensile strength and elongation at break of PU/clay-PTMG composite. The pre-mixing of clay-PTMG was a good procedure for the manufacture of the PU/clay composite, which had higher values of tensile strength and elongation at break. 29 Refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-unplasticised-pvc-pvc-u-containing-rice-husk-and-an-impact-modifier/ # MECHANICAL PROPERTIES OF UNPLASTICISED PVC (PVC-U) CONTAINING RICE HUSK AND AN IMPACT MODIFIER > Title: MECHANICAL PROPERTIES OF UNPLASTICISED PVC (PVC-U) CONTAINING RICE HUSK AND AN IMPACT MODIFIER Page Range: p.527-536 Author(s): Mazatusziha Ahmad; Abdul Razak Rahmat; Azman Hassan File size: 510K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/mechanical-properties-of-unplasticised-pvc-pvc-u-containing-rice-husk-and-an-impact-modifier/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES OF UNPLASTICISED PVC (PVC-U) CONTAINING RICE HUSK AND AN IMPACT MODIFIER** Page Range: p.527-536 Author(s): Mazatusziha Ahmad; Abdul Razak Rahmat; Azman Hassan File size: 510K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101245&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** The objective of this study was to investigate the effects of rice husk and acrylic impact modifiers on the mechanical properties of unplasticised poly(vinyl chloride) (PVC-U) composites. The composites were prepared using a two-roll mill at temperature 165 °C before being hot pressed at 185 °C. The incorporation of rice husk (RH) fillers from 10 to 40 per hundred resin (phr) has increased the flexural and tensile modulus of the unmodified and modified (8 phr impact modifier) PVC-U composite. The flexural strength for both unmodified and modified PVC-U composite was observed to increase until RH loading of 20 phr. However, the tensile and impact strength of PVC-U composite decreased with RH loading. The scanning electron microscopy (SEM) showed that the rice husk fillers agglomerated and unevenly distributed throughout the matrix. The result showed that the impact strength of the filled PVC-U composites (20 phr filler) increased but the tensile and flexural properties decreased with increasing impact modifier content. The formulation containing 8 phr of acrylic impact modifier and 20 phr of RH loading showed the best balance of stiffness and toughness properties. 18 Refs. --- --- Source: https://polymerjournals.com/pultrusion-of-composite-profiles-polyurethane-pu-as-alternative-matrix-system/ # PULTRUSION OF COMPOSITE PROFILES – POLYURETHANE (PU) AS ALTERNATIVE MATRIX SYSTEM > Title: PULTRUSION OF COMPOSITE PROFILES – POLYURETHANE (PU) AS ALTERNATIVE MATRIX SYSTEM Page Range: p.537-542 Author(s): Michaeli W File size: 418K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No:... Canonical URL: https://polymerjournals.com/pultrusion-of-composite-profiles-polyurethane-pu-as-alternative-matrix-system/ Published: 2010-09-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PULTRUSION OF COMPOSITE PROFILES – POLYURETHANE (PU) AS ALTERNATIVE MATRIX SYSTEM** Page Range: p.537-542 Author(s): Michaeli W File size: 418K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-9&JournalID=101246&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.9 **Abstract** For structural components with high specific mechanical properties frequently parts made of fibre reinforced plastics (FRP) with thermoset matrix systems, oriented reinforcement fibres and high fibre volume contents are used. An established manufacturing technique for the production of composite profiles is the pultrusion process. By custom-designed properties pultruded parts are used for example as load-bearing structures in the building sector or lining elements in the transportation industry1. The pultrusion process is characterized by high laminate qualities, a high degree of automation and an eminent economic efficiency. A further reduction of the production costs can be achieved by the use of alternative matrix systems with comparable material properties by reduced raw material costs and increased processing speeds. By the restricted reactivity of the most commonly used matrix systems the processing speeds are limited. 5 Refs. --- --- Source: https://polymerjournals.com/structure-and-thermal-properties-of-co-polyamide-cpa-clay-nanocomposites-by-a-melting-extrusion-method/ # STRUCTURE AND THERMAL PROPERTIES OF CO-POLYAMIDE (CPA)/CLAY NANOCOMPOSITES BY A MELTING EXTRUSION METHOD > Title: STRUCTURE AND THERMAL PROPERTIES OF CO-POLYAMIDE (CPA)/CLAY NANOCOMPOSITES BY A MELTING EXTRUSION METHOD Page Range: p.411-416 Author(s): Shuaijiang Zhao; Xilin She; Hailing Li; Fang Yuan; Di Zhou File size: 261K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/structure-and-thermal-properties-of-co-polyamide-cpa-clay-nanocomposites-by-a-melting-extrusion-method/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE AND THERMAL PROPERTIES OF CO-POLYAMIDE (CPA)/CLAY NANOCOMPOSITES BY A MELTING EXTRUSION METHOD** Page Range: p.411-416 Author(s): Shuaijiang Zhao; Xilin She; Hailing Li; Fang Yuan; Di Zhou File size: 261K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101231&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** The aim of the work was to study the structure and thermal property of co-polyamide (CPA)/clay nanocomposites. Two nanocomposites, based on two co-polyamides (CPA) and organic-clay, were successfully prepared by melting extrusions in a twin-screw extruder with high aspect ratio back-whorl. Their morphology and thermal properties were characterized by transmission electron microscopy (TEM), different scanning calorimeter (DSC). TEM results showed that the layered silicate sheets with the thickness of about 15 nm dispersed homogeneously in the polymeric matrix and formed exfoliated layered silicate nanocomposites. DSC results revealed that the crystallisation rate increased due to the addition of 2.0 wt.% clay into CPA. 32 Refs. --- --- Source: https://polymerjournals.com/influence-of-different-curing-systems-on-the-physico-mechanical-and-rheological-properties-of-csm-rubber/ # INFLUENCE OF DIFFERENT CURING SYSTEMS ON THE PHYSICO-MECHANICAL AND RHEOLOGICAL PROPERTIES OF CSM RUBBER > Title: INFLUENCE OF DIFFERENT CURING SYSTEMS ON THE PHYSICO-MECHANICAL AND RHEOLOGICAL PROPERTIES OF CSM RUBBER Page Range: p.417-428 Author(s): Madhuri Nanda; Deba Kumar Tripathy File size: 421K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/influence-of-different-curing-systems-on-the-physico-mechanical-and-rheological-properties-of-csm-rubber/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF DIFFERENT CURING SYSTEMS ON THE PHYSICO-MECHANICAL AND RHEOLOGICAL PROPERTIES OF CSM RUBBER** Page Range: p.417-428 Author(s): Madhuri Nanda; Deba Kumar Tripathy File size: 421K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101232&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** Curing systems play a vital role in designing rubber compounds for various industrial applications. Keeping this in view, a comparative study of the effects of four different curing systems such as sulphur, dicumyl peroxide (DCP), metal oxide (PbO) and epoxy resin on the curing characteristics, physico-mechanical, and rheological properties of chlorosulphonated polyethylene rubber (CSM) has been carried out. The highest values of maximum rheometric torque and scorch safety were observed in the peroxide-cured system, whereas sulphur-cured CSM rubber compounds possessed superior mechanical and rheological properties compared to those of the other cured systems. It is interesting to note that all curing systems exhibited increases in tensile strength, hardness, tear strength and crosslink density after ageing. This may be due to post vulcanisation. Unlike uncured CSM compound, in cured CSM compound the loss tangent increased with frequency, which may be due to the insufficient time available for molecular relaxation. Probable crosslinked structures for different curing systems have been proposed based on the observations of attenuated total reflectance Fourier transform infrared spectroscopy. 27 Refs. --- --- Source: https://polymerjournals.com/an-aromatic-macromolecule-as-a-nano-drug-carrier-polyether-dendrimer-poly2-hydroxyethyl-methacrylate/ # AN AROMATIC MACROMOLECULE AS A NANO DRUG CARRIER: POLYETHER DENDRIMER / POLY(2-HYDROXYETHYL METHACRYLATE) > Title: AN AROMATIC MACROMOLECULE AS A NANO DRUG CARRIER: POLYETHER DENDRIMER / POLY(2-HYDROXYETHYL METHACRYLATE) Page Range: p.429-434 Author(s): Reza Saboktakin M; Tabatabaie R M; Maharramov A; Ramazanov M A File size: 295K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/an-aromatic-macromolecule-as-a-nano-drug-carrier-polyether-dendrimer-poly2-hydroxyethyl-methacrylate/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AN AROMATIC MACROMOLECULE AS A NANO DRUG CARRIER: POLYETHER DENDRIMER / POLY(2-HYDROXYETHYL METHACRYLATE)** Page Range: p.429-434 Author(s): Reza Saboktakin M; Tabatabaie R M; Maharramov A; Ramazanov M A File size: 295K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101233&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** Highly branched, functionalised polymers have the potential to act as efficient drug carrier systems. The aromatic polyether dendrimers are spherical, highly ordered, multibranched, nanometre-sized macromolecules having positively charged ether groups on the surface under physiological conditions. In this study, we have synthesised a kind of dendrimer/poly(2-hydroxy ethyl methacrylate) nanocomposite/5-aminosalicylic acid (5-ASA) for oral drug delivery. The aromatic polyether dendrimer (generation 2, hyperbranched polyether with -CH2OH functionality, 3,5-Dihydroxybenzoic acid core) was prepared from generation 2, hyperbranched polyether dendrimer with -COOCH3 form in excellent yield. FT-IR, 1H-NMR and DSC studies suggest that the monomer predominantly forms a complex with polyether dendrimers because of the interaction between the -CH2OH end groups of dendrimer and the -OH group of 2-hydroxyethyl methacrylate monomer. 15 Refs. --- --- Source: https://polymerjournals.com/studies-on-vartm-forming-z-stitched-foam-core-sandwich-composites/ # STUDIES ON VARTM FORMING Z-STITCHED FOAM CORE SANDWICH COMPOSITES > Title: STUDIES ON VARTM FORMING Z-STITCHED FOAM CORE SANDWICH COMPOSITES Page Range: p.435-442 Author(s): Shaokai Wang; Min Li; Yizhuo Gu; Zuoguang Zhang File size: 544K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/studies-on-vartm-forming-z-stitched-foam-core-sandwich-composites/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDIES ON VARTM FORMING Z-STITCHED FOAM CORE SANDWICH COMPOSITES** Page Range: p.435-442 Author(s): Shaokai Wang; Min Li; Yizhuo Gu; Zuoguang Zhang File size: 544K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101234&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** Z-stitched foam core sandwich composite is a newly developed structure with through-thickness load-bearing pillars embedded by a stitching technique. In this paper, large-tow glass fibre stitches and fire-resistant phenolic resin were creatively used to fabricate this kind of sandwich composite, which possessed outstanding properties including fire resistance, debonding resistance and high flatwise compressive strength. Vacuum-assisted resin transfer moulding (VARTM) was conducted for processing. The effects of process conditions on key structural parameters of the z-stitched foam core sandwich composite were investigated, including the dimensions of the pillar, the fibre volume fraction of the facesheet as well as the porosity of the pillar. The results show that macroscopic void defects tend to be formed at the joints between the pillars and the top facesheet if air is trapped in the system. The cross sectional areas of the pillars are all larger than the suture needles due to damage of foam cells in the vicinity during stitching process, which is caused by the brittleness of the phenolic resin. Moreover, the dimensions of the pillar could be affected by the vacuum pressure and the pressure gradient, even resulting in local resin-rich area around pillar. In order to optimize the manufacturing quality of this sandwich composite, a small linear density of stitches and a long enough action time of the vacuum process are both very helpful. 11 Refs. --- --- Source: https://polymerjournals.com/preparation-of-heat-resistant-epoxy-silica-hybrids-through-a-novel-sol-gel-process/ # PREPARATION OF HEAT-RESISTANT EPOXY/SILICA HYBRIDS THROUGH A NOVEL SOL-GEL PROCESS > Title: PREPARATION OF HEAT-RESISTANT EPOXY/SILICA HYBRIDS THROUGH A NOVEL SOL-GEL PROCESS Page Range: p.443-450 Author(s): Xue Xia; Guoqing Wang; Peng Yang; Hiroyuki Kagawa; Haitao Wang; Masahiro Suzuki; Wei Zhong; Qiangguo Du File size: 498K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/preparation-of-heat-resistant-epoxy-silica-hybrids-through-a-novel-sol-gel-process/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF HEAT-RESISTANT EPOXY/SILICA HYBRIDS THROUGH A NOVEL SOL-GEL PROCESS** Page Range: p.443-450 Author(s): Xue Xia; Guoqing Wang; Peng Yang; Hiroyuki Kagawa; Haitao Wang; Masahiro Suzuki; Wei Zhong; Qiangguo Du File size: 498K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101235&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** A series of hybrid materials based on the diglycidyl ether of bisphenol-A (DGEBA) and 3-glycidoxypropyltrimethoxysilane (GPTMS) were prepared via a modified sol-gel process. The curing process of hybrid materials was analyzed with an advanced rheometric expansion system (ARES) and differential scanning calorimetry (DSC). Dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) were carried out to evaluate the thermal properties of the resulted epoxy hybrids. Copper clad laminates were also prepared by a traditional hot-press moulding procedure with the hybrid varnish, which showed an excellent heat-resistant performance This kind of hybrid material may be suitable for electronic applications due to their excellent high temperature reliability and stability. 22 Refs. --- --- Source: https://polymerjournals.com/epoxidized-palm-oil-plasticized-polylactic-acid-fatty-nitrogen-compound-modified-clay-nanocomposites-preparation-and-characterization/ # EPOXIDIZED PALM OIL PLASTICIZED POLYLACTIC ACID/FATTY NITROGEN COMPOUND MODIFIED CLAY NANOCOMPOSITES: PREPARATION AND CHARACTERIZATION > Title: EPOXIDIZED PALM OIL PLASTICIZED POLYLACTIC ACID/FATTY NITROGEN COMPOUND MODIFIED CLAY NANOCOMPOSITES: PREPARATION AND CHARACTERIZATION Page Range: p.451-460 Author(s): Jaffar Al-Mulla E A; Wan Md Zin Wan Yunus; Nor Azowa Bt Ibrahim; Zaki Ab Rahman M File size: 516K Download the pdf... Canonical URL: https://polymerjournals.com/epoxidized-palm-oil-plasticized-polylactic-acid-fatty-nitrogen-compound-modified-clay-nanocomposites-preparation-and-characterization/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EPOXIDIZED PALM OIL PLASTICIZED POLYLACTIC ACID/FATTY NITROGEN COMPOUND MODIFIED CLAY NANOCOMPOSITES: PREPARATION AND CHARACTERIZATION** Page Range: p.451-460 Author(s): Jaffar Al-Mulla E A; Wan Md Zin Wan Yunus; Nor Azowa Bt Ibrahim; Zaki Ab Rahman M File size: 516K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101236&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** Fatty nitrogen compounds (FNCs); fatty amides (FAs), fatty hydroxamic acids (FHAs), and N,N'-carbonyl difatty amides (CDFAs), which were synthesised from palm oil, have been used as organic compounds to modify a natural clay (sodium montmorillonite). The clay modification was carried out by stirring the clay particles in an aqueous solution of FAs, FHAs, or CDFAs by which the clay layer distance increased from 1.23 to 2.69, 2.89 and 3.21 nm, respectively. The modified clay was then used in the preparation of the epoxidised palm oil (EPO) plasticised polylactic acid (PLA) nanocomposites. The interaction of the modifier in the clay layer was characterized by X-ray diffractometry (XRD) and Fourier transform infrared spectroscopy (FTIR). Elemental analysis was used to estimate the presence of these FNCs in the clay. The nanocomposites were synthesised by solution casting of the modified clay and a PLA/EPO blend at the weight ratio of 80/20, which has the highest elongation at break. The nanocomposites were then characterized using XRD, transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and tensile properties measurements. The XRD and TEM results confirmed the production of nanocomposites. PLA/EPO modified clay nanocomposites show higher thermal stability and significant improvement of mechanical properties in comparison with those of the PLA/EPO blend. 35 Refs. --- --- Source: https://polymerjournals.com/effect-of-solvent-on-the-morphology-of-high-molecular-weight-polyn-vinyl-carbazole-web-prepared-by-electrospinning/ # EFFECT OF SOLVENT ON THE MORPHOLOGY OF HIGH MOLECULAR WEIGHT POLY(N-VINYL CARBAZOLE) WEB PREPARED BY ELECTROSPINNING > Title: EFFECT OF SOLVENT ON THE MORPHOLOGY OF HIGH MOLECULAR WEIGHT POLY(N-VINYL CARBAZOLE) WEB PREPARED BY ELECTROSPINNING Page Range: p.461-468 Author(s): Hee Sam Kim; Ki Bum Kee; Young Jae Lee; Sung Soo Han; Yong Sik Chung; Han Yong Jeon; Yong Rok Lee;... Canonical URL: https://polymerjournals.com/effect-of-solvent-on-the-morphology-of-high-molecular-weight-polyn-vinyl-carbazole-web-prepared-by-electrospinning/ Published: 2010-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SOLVENT ON THE MORPHOLOGY OF HIGH MOLECULAR WEIGHT POLY(N-VINYL CARBAZOLE) WEB PREPARED BY ELECTROSPINNING** Page Range: p.461-468 Author(s): Hee Sam Kim; Ki Bum Kee; Young Jae Lee; Sung Soo Han; Yong Sik Chung; Han Yong Jeon; Yong Rok Lee; Yeong Soon Gal; Seok Kyun Noh; Won Seok Lyoo File size: 472K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-8&JournalID=101237&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.8 **Abstract** The effects of solvents such as 1,1,2,2-tetrachloroethane (TCE) and tetrahydrofuran (THF) and other processing parameters of electrospinning on the spinnability of high molecular weight poly(N-vinyl carbazole) (PVCz) solution and morphological variations of the as-spun PVCz web were investigated. That is, electrospun PVCz webs with various dimensions and shapes were obtained by controlling the type and amount of solvent and processing parameters like applied voltage, tip to the collector distance, and solution concentration. In the cases of all parameters, the average diameter of fibres in PVCz web electrospun in TCE was finer than that in THF. In addition, minimum diameters of fibres were about 900 nm and 3 micrometre for TCE and THF, respectively. In THF, PVCz fibres at high initial polymer concentration were not cylindrical but planar, which were similar with "ribbon" and nano-sized pores, resulting from the differences in evaporation rates and in the viscosities of the solvent and the solutions. 24 Refs. --- --- Source: https://polymerjournals.com/properties-of-thermoplastic-polyurethane-functionalised-graphene-sheet-nanocomposites-prepared-by-the-in-situ-polymerisation-method/ # PROPERTIES OF THERMOPLASTIC POLYURETHANE/FUNCTIONALISED GRAPHENE SHEET NANOCOMPOSITES PREPARED BY THE IN SITU POLYMERISATION METHOD > Title: PROPERTIES OF THERMOPLASTIC POLYURETHANE/FUNCTIONALISED GRAPHENE SHEET NANOCOMPOSITES PREPARED BY THE IN SITU POLYMERISATION METHOD Page Range: p.351-358 Author(s): Duc Anh Nguyen; Raghu A V; Jin Taek Choi; Han Mo Jeong File size: 323K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/properties-of-thermoplastic-polyurethane-functionalised-graphene-sheet-nanocomposites-prepared-by-the-in-situ-polymerisation-method/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF THERMOPLASTIC POLYURETHANE/FUNCTIONALISED GRAPHENE SHEET NANOCOMPOSITES PREPARED BY THE IN SITU POLYMERISATION METHOD** Page Range: p.351-358 Author(s): Duc Anh Nguyen; Raghu A V; Jin Taek Choi; Han Mo Jeong File size: 323K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101385&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** Thermoplastic polyurethane (TPU)/functionalised graphene sheet (FGS) nanocomposites were prepared by an in situ polymerisation method. The synthesised TPU/FGS nanocomposites were fully characterised by FTIR, TEM, TGA, DSC, DMA, and by measurements of electrical conductivity and mechanical properties. The results indicated that the chemical and/or physical interactions between FGS and TPU were enhanced in the nanocomposites prepared by the in situ polymerisation method, and were compared to those of an earlier study which were prepared by physical mixing. Thermogravimetry showed that the degree of TPU adherence onto the FGS increased when the nanocomposite was prepared by the in situ polymerisation method. There were pronounced modulus enhancements and decreases in tensile strength and elongation at break as a result of incorporating FGS. The FGS, well dispersed in the TPU matrix, effectively improved the electrical conductivity; the nanocomposite containing 2 parts FGS per 100 parts TPU had an electrical conductivity of 2.07-10-3 S/cm, about 108 times higher than that of the pristine TPU. 44 Refs. --- --- Source: https://polymerjournals.com/an-experimental-apparatus-for-measurement-of-elongational-flow-properties-for-ldpe-melt-and-the-effect-of-testing-conditions/ # AN EXPERIMENTAL APPARATUS FOR MEASUREMENT OF ELONGATIONAL FLOW PROPERTIES FOR LDPE MELT AND THE EFFECT OF TESTING CONDITIONS > Title: AN EXPERIMENTAL APPARATUS FOR MEASUREMENT OF ELONGATIONAL FLOW PROPERTIES FOR LDPE MELT AND THE EFFECT OF TESTING CONDITIONS Page Range: p.359-368 Author(s): Watcharin Sitticharoen; Naret Intawong; Narongrit Sombatsompop File size: 483K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/an-experimental-apparatus-for-measurement-of-elongational-flow-properties-for-ldpe-melt-and-the-effect-of-testing-conditions/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AN EXPERIMENTAL APPARATUS FOR MEASUREMENT OF ELONGATIONAL FLOW PROPERTIES FOR LDPE MELT AND THE EFFECT OF TESTING CONDITIONS** Page Range: p.359-368 Author(s): Watcharin Sitticharoen; Naret Intawong; Narongrit Sombatsompop File size: 483K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101386&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** An experimental rig was designed and constructed for melt strength measurement and was assembled at the end of a single screw extruder used for the production of low-density polyethylene (LDPE) melt. The experimental rig was coupled with a high speed data logging system and a personal computer for the real-time measurement of melt strength. The molten LDPE was extruded through a capillary die, forming a continuous filament before being pulled down by speed-adjustable mechanical rollers until the filament failed. A digital camera was used for measuring the actual extrudate size at failure point. The drawdown forces as a function of volumetric flow rate from the extruder, roller speed, die temperature and take-up style were of interest in this study. It was found that the experimental rig could be used for accurate measurement of the mechanical strength for the LDPE melt. The experimental results suggested that the melt strength of LDPE was dependent upon the volumetric flow rate through the die from the screw extruder, roller speed, and the take-up style. For ladder-step take-up, increasing roller speed resulted in non-linear increases in the drawdown forces, the drawdown force changes being associated with the molecular disentanglement and elastic resistances of the branched LDPE melt. The drawdown forces of the LDPE melt measured under the rapid speed take-up method were 40-60% greater than those tested under the ladder-step speed take-up method, depending on the volumetric flow rate used in the screw extruder. The tensile viscosity of the LDPE melt was found to decrease slightly with strain rate and die temperature in the testing conditions used in this work. 25 Refs. --- --- Source: https://polymerjournals.com/interfacial-shear-strength-in-a-metal-thermoplastic-composite/ # INTERFACIAL SHEAR STRENGTH IN A METAL-THERMOPLASTIC COMPOSITE > Title: INTERFACIAL SHEAR STRENGTH IN A METAL-THERMOPLASTIC COMPOSITE Page Range: p.369-380 Author(s): Ochoa Putman C; Vaidya U K File size: 556K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No:... Canonical URL: https://polymerjournals.com/interfacial-shear-strength-in-a-metal-thermoplastic-composite/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERFACIAL SHEAR STRENGTH IN A METAL-THERMOPLASTIC COMPOSITE** Page Range: p.369-380 Author(s): Ochoa Putman C; Vaidya U K File size: 556K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101387&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** Hybrid materials featuring thermoplastic polymer composites in conjunction with steel cords are being considered as structural materials in infrastructure, transportation and military applications. The present study focuses on understanding the mechanical performance of metal cord-thermoplastic composites. Since the optimal performance of a composite strongly depends on the behaviour of the interface, finite element modelling has been adopted to characterize the interface between steel fibres and thermoplastic composite material. The mechanical interactions between thermoplastics and steel have been studied with a goal to improve interfacial shear strength and cohesive strength. Steel cord was combined with nylon, polypropylene, soft thermoplastic polyurethane and hard thermoplastic polyurethane to find the parameters that affect mechanical bonding via pull out tests and friction coefficient tests. The test parameters have been correlated to interfacial shear strength using both experimental and modelling approach. 22 Refs. --- --- Source: https://polymerjournals.com/degradation-and-dynamic-properties-of-polyamide-co-imide-carbon-nanotube-composite-films/ # DEGRADATION AND DYNAMIC PROPERTIES OF POLY(AMIDE-CO-IMIDE)/CARBON NANOTUBE COMPOSITE FILMS > Title: DEGRADATION AND DYNAMIC PROPERTIES OF POLY(AMIDE-CO-IMIDE)/CARBON NANOTUBE COMPOSITE FILMS Page Range: p.381-390 Author(s): Seung Hwan Lee; Sheong Hyun Choi; Seong Yun Kim; Jin Il Choi; Jae Rock Lee; Jae Ryoun Youn File size: 345K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/degradation-and-dynamic-properties-of-polyamide-co-imide-carbon-nanotube-composite-films/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEGRADATION AND DYNAMIC PROPERTIES OF POLY(AMIDE-CO-IMIDE)/CARBON NANOTUBE COMPOSITE FILMS** Page Range: p.381-390 Author(s): Seung Hwan Lee; Sheong Hyun Choi; Seong Yun Kim; Jin Il Choi; Jae Rock Lee; Jae Ryoun Youn File size: 345K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101388&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** Poly(amide-imide) (PAI)/carbon nanotube (CNT) composite films were investigated through FT-IR spectroscopy, TGA, and DMTA measurements in order to understand the interrelationships of surface modification of CNTs, thermal imidisation time, and thermal stability after they were prepared by solution mixing. Thermal stability and glass transition temperature were significantly improved when the PAI/CNT nanocomposites were filled with hydrogen peroxide treated CNTs (p-CNT) because the dispersion of p-CNTs and interfacial bonding between p-CNT particles and PAI molecules were improved. The imidisation time of the PAI/p-CNT composite film needed for sufficient imidisation reaction was reduced by about 3 hours compared with that of the pure PAI film, because p-CNTs have higher thermal conductivity than the pure PAI resin. They also showed the highest glass transition temperature among all PAI/CNT composites since p-CNTs have many hydrophilic functional groups which yield strong interaction with PAI molecules. It was found that the thermal imidisation depended on the network structure which was generated by the crosslinking reaction and surface modification of CNTs. 26 Refs. --- --- Source: https://polymerjournals.com/preparation-of-recycled-polyvinyl-alcohol-pva-iodine-polarizing-film/ # PREPARATION OF RECYCLED POLY(VINYL ALCOHOL) (PVA)/IODINE POLARIZING FILM > Title: PREPARATION OF RECYCLED POLY(VINYL ALCOHOL) (PVA)/IODINE POLARIZING FILM Page Range: p.391-396 Author(s): Man Ho Han; Jae Kyun Shin; Kyeong Il Oh; Young Jae Lee; Du Hyun Song; Yong Sik Chung; Yong Rok Lee; Han Gon Choi; Tae Hwan Oh; Sung Soo... Canonical URL: https://polymerjournals.com/preparation-of-recycled-polyvinyl-alcohol-pva-iodine-polarizing-film/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF RECYCLED POLY(VINYL ALCOHOL) (PVA)/IODINE POLARIZING FILM** Page Range: p.391-396 Author(s): Man Ho Han; Jae Kyun Shin; Kyeong Il Oh; Young Jae Lee; Du Hyun Song; Yong Sik Chung; Yong Rok Lee; Han Gon Choi; Tae Hwan Oh; Sung Soo Han; Seok Kyun Noh; Won Seok Lyoo File size: 226K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101389&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** To precisely identify the effect of preparation conditions on the polarizing efficiency (PE) of recycled poly(vinyl alcohol) (PVA)/iodine complex film, PVA film and PVA/iodine polarizing film were prepared by using recycled nonwoven PVA with a number-average degree of polymerisation (Pn) of 1700, syndiotactic diad (s-diad) content 54.6%, and degree of saponification (DS) 97.6%. We investigated the effects of various conditions such as soaking time, temperature of I2/KI aqueous solution, draw ratio, and temperature of aqueous boric acid solution on the transmittance and PE of recycled PVA/iodine complex film. Maximum transmittance and PE values of recycled PVA/iodine complex film were 41.2% and 99.8%, respectively. It was found that the recycled PVA/ iodine polarizing film showed effective transmittance and PE values comparable with those of commercial PVA/ iodine polarizing film. 19 Refs. --- --- Source: https://polymerjournals.com/preparation-of-sodium-alginate-hydrogel-microparticles-by-electrospinning-using-various-types-of-salts/ # PREPARATION OF SODIUM ALGINATE HYDROGEL MICROPARTICLES BY ELECTROSPINNING USING VARIOUS TYPES OF SALTS > Title: PREPARATION OF SODIUM ALGINATE HYDROGEL MICROPARTICLES BY ELECTROSPINNING USING VARIOUS TYPES OF SALTS Page Range: p.397-404 Author(s): Sun Gil Kim; Young Jae Lee; Eun Joo Shin; Yeong Soon Gal; Yong Rok Lee; Tae Hwan Oh; Han Gon Choi; Jung-Ae Kim; Chul... Canonical URL: https://polymerjournals.com/preparation-of-sodium-alginate-hydrogel-microparticles-by-electrospinning-using-various-types-of-salts/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF SODIUM ALGINATE HYDROGEL MICROPARTICLES BY ELECTROSPINNING USING VARIOUS TYPES OF SALTS** Page Range: p.397-404 Author(s): Sun Gil Kim; Young Jae Lee; Eun Joo Shin; Yeong Soon Gal; Yong Rok Lee; Tae Hwan Oh; Han Gon Choi; Jung-Ae Kim; Chul Soon Yong; Sung Soo Han; Seok Kyun Noh; Won Seok Lyoo File size: 478K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101390&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** Sodium alginate (SA) hydrogel microparticles were simply obtained by using electrospinning method at diverse processing parameters such as polymer concentration, applied voltage, tip to collector distance (TCD), and type and amount of divalent cations (crosslinking and gelation agents). In the case of TCD, there is no significant on the morphological shape of SA hydrogel microparticle. On the contrary, the particle size was decreased with an increase in the applied voltage. But at a high applied voltage, the polydispersity of SA hydrogel microparticle was increased and broad range of particle sizes was observed. Nearly monodisperse microparticles were prepared at applied voltage of 10kV. We also obtained SA hydrogel microparticles by the exchange of sodium ions with divalent cations such as Sr2+ and Ba2+, which presented uniform spherical shape, in comparison with that prepared using Ca2+. 23 Refs. --- --- Source: https://polymerjournals.com/uv-cured-epoxy-methacrylate-composite-containing-fluorine-and-siloxane/ # UV-CURED EPOXY METHACRYLATE COMPOSITE CONTAINING FLUORINE AND SILOXANE > Title: UV-CURED EPOXY METHACRYLATE COMPOSITE CONTAINING FLUORINE AND SILOXANE Page Range: p.405-410 Author(s): Chunyi Tang; Weiqu Liu File size: 336K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7... Canonical URL: https://polymerjournals.com/uv-cured-epoxy-methacrylate-composite-containing-fluorine-and-siloxane/ Published: 2010-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: UV-CURED EPOXY METHACRYLATE COMPOSITE CONTAINING FLUORINE AND SILOXANE** Page Range: p.405-410 Author(s): Chunyi Tang; Weiqu Liu File size: 336K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-7&JournalID=101391&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.7 **Abstract** The synthesis and characterisation of methacryloxysiloxane (MAS) were described. UV-curable composites, bisphenol-A epoxy methacrylate/2,2,3,4,4,4-hexafluorobutyl methacrylate (BEMA/HFMA) and BEMA/HFMA/MAS composite systems were built, and the preparation method is described. The effects of HFMA and MAS content on the surface properties, thermal behaviour and water resistance of the cured composite films were investigated by contact angle, TGA and DSC, water resistance ratio; the dispersion of the three components was observed by micromorphological examination, and the results are discussed. 16 Refs. --- --- Source: https://polymerjournals.com/modified-pf-resins-for-composite-structures-with-improved-mechanical-properties-2/ # MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES > Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/modified-pf-resins-for-composite-structures-with-improved-mechanical-properties-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES** Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101092&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Novel composites resins for civil engineering structures were synthesised. Resol phenolic resins were modified by the copolymerisation of phenol with cardanol (obtained from CNSL). The modified PF resins were synthesised at different proportions of phenol to cardanol and also of the total phenol to formaldehyde. The synthesis was carried out under alkaline conditions and with a maximum content of 40 wt.% of cardanol. The effect of the partial substitution of phenol by cardanol on the thermal and mechanical properties of the CPF resins was investigated. An increase in the content of cardanol resulted in a proportional increase in the flexibility and in the fracture toughness together with a decrease in the flexural modulus of the cured CPF resins. The higher toughening effect of replacing phenol with cardanol was obtained with the total P:F molar ratio of 1.0:1.25. Also a direct proportionality between the amount of cardanol content and the decrease in crosslink density of the resins was observed. Simultaneous TGA-FTIR studies of the resins were carried out and the emitted gases were identified. The results confirmed that the thermal stability and the temperature of degradation of the cured CPF resins decreased as the amount of cardanol content increased. Gas emissions during the pyrolysis of the CPF resins also increased. 44 Refs. --- --- Source: https://polymerjournals.com/isothermal-crystallization-kinetics-of-tricomponent-blends-of-polycarbonate-polytrimethylene-terephthalate-and-polybutylene-terephthalate-2/ # ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE > Title: ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE Page Range: p.307-313 Author(s): Al-Mulla A; Al-Omairi L; Mathew J; Bhattacharya S File size: 253K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/isothermal-crystallization-kinetics-of-tricomponent-blends-of-polycarbonate-polytrimethylene-terephthalate-and-polybutylene-terephthalate-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE** Page Range: p.307-313 Author(s): Al-Mulla A; Al-Omairi L; Mathew J; Bhattacharya S File size: 253K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101093&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** The isothermal crystallisation kinetics of two different types of linear aromatic polyesters, namely poly(trimethylene terephthalate) (PTT), poly(butylene terephthalate) (PBT) and their blend with polycarbonate (PC) has been investigated using differential scanning calorimetry (DSC). The blend composed of PTT25/PBT25/PC50 (wt/ wt.%) was synthesised using a twin screw extruder. Isothermal studies for PTT were conducted between 129 and 159 °C. The temperature ranged between 168-177 °C for PBT and between 170 and 183 °C for the blend. Avrami, Tobin and Malkin models were used to estimate the crystallisation kinetic parameters, such as crystallisation rate order (n), crystallisation rate constant (k) and half time of crystallisation (t0.5). The values of average sum of square of errors (ASE) of all models were comparable. This detailed study indicates that the models investigated are suitable for describing the crystallisation kinetics of the blend and the neat polymers. 46 Refs. --- --- Source: https://polymerjournals.com/the-investigation-of-melamine-cyanurate-encapsulating-magnesium-hydroxide-flame-retarded-polyamide-66-2/ # THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66 > Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66 Page Range: p.315-320 Author(s): Liu Y; Wang Q File size: 192K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue... Canonical URL: https://polymerjournals.com/the-investigation-of-melamine-cyanurate-encapsulating-magnesium-hydroxide-flame-retarded-polyamide-66-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66** Page Range: p.315-320 Author(s): Liu Y; Wang Q File size: 192K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101094&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Inorganic flame retardant, magnesium hydroxide (MH), was surface-modified through in-situ encapsulation of an organic nitrogen flame retardant, melamine cyanurate (MCA) by making use of the self-thickening effects during melamine-cyanurate self-assembly process. The obtained MH encapsulated by MCA (MCA-MH) was applied for the flame retardance of polyamide-66 (PA66). As compared to MH modified by silane coupling agent (MH-SC), MH-MCA had much better compatibility and dispersion in PA66 matrix due to replacing MH-PA66 interface by MCA-PA66, As a result, MCA-MH flame retarded PA66 showed obviously enhanced the flame retardancy and mechanical properties. Additionally, the relationship between the MCA/MH ratio and the flame retardancy, as well as the mechanical properties was investigated, and the corresponding synergistic effects between MCA and MH were researched. 10 Refs. --- --- Source: https://polymerjournals.com/the-study-of-epoxy-methacrylate-silica-hybrid-2/ # THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID > Title: THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID Page Range: p.321-327 Author(s): Ou C-F; Shiu M-C File size: 247K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 Abstract A... Canonical URL: https://polymerjournals.com/the-study-of-epoxy-methacrylate-silica-hybrid-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID** Page Range: p.321-327 Author(s): Ou C-F; Shiu M-C File size: 247K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101095&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** A series of epoxy methacrylate/silica hybrids, containing 0.5, 1, 3, 5, 7, 10, and 15 wt.% tetraethyloxysilane (TEOS), were synthesised by sol-gel process. Differential scanning calorimetry (DSC) indicated that the glass transition temperatures (Tg) of the hybrids were higher than that of the pure epoxy methacrylate, the maximum increase of 26.7 C being achieved with the addition of 3 wt.% TEOS. The decomposition temperatures (Td) of the hybrids were higher than that of the pure epoxy methacrylate (EMA) and rose as the TEOS content increased. The light transmittance of the hybrids was still higher than 80% with up to 15 wt.% TEOS. The water permeability of the hybrids decreased with increasing TEOS content to 7 wt.%, and then increased to 15 wt.%. The hybrid with 7 wt.% TEOS exhibited a maximum permeability decrease of 54.0%. Scanning electron microscopy (SEM) showed that the number of dispersed droplet of silica increased as the content of TEOS increased. 32 Refs. --- --- Source: https://polymerjournals.com/mechanical-and-surface-properties-of-e-beam-irradiated-polytetrafluoroethylene-silicone-rubber-composites-2/ # MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES > Title: MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES Page Range: p.329-336 Author(s): Dadbin S; Kashcooli Y; Frounchi M File size: 225K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/mechanical-and-surface-properties-of-e-beam-irradiated-polytetrafluoroethylene-silicone-rubber-composites-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES** Page Range: p.329-336 Author(s): Dadbin S; Kashcooli Y; Frounchi M File size: 225K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101096&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Compounding electron beam irradiated polytetrafluoroethylene (PTFE or Teflon) powder with silicone rubber produced silicone rubber/PTFE composites with desired physical properties. PTFE powder was exposed to electron beam irradiation at various doses and characterized by FTIR, DSC and contact angle measurements. Irradiation of PTFE with high energy electron beam induced chain scission reactions. Irradiated PTFE showed higher degree of crystallisation and lower melting point with increasing absorbed dose. Number average molecular weight of irradiated PTFE was reduced significantly at higher absorbed doses. Formation of polar groups on the surface of irradiated PTFE powder was detected by FTIR spectroscopy. The latter was also verified by measurements of water-drop contact angle, which decreased with increasing absorbed dose. Mechanical and surface properties of the composites of silicone rubber and PTFE were characterized by tensile strength, abrasion resistance and water drop contact angle measurements. All the composites containing 5-15 phr PTFE showed higher tensile strength compared to the silicone rubber. Irradiation of PTFE powder had a significant effect on improving the abrasion resistance of the silicone rubber upon addition of only 5 phr irradiated PTFE. Similar abrasion resistance was obtained with the addition of higher amounts of non-irradiated PTFE (15 phr). Water drop contact angle of the composites decreased slightly with increasing the absorbed dose of PTFE. 17 Refs. --- --- Source: https://polymerjournals.com/the-effects-of-weathering-on-mechanical-properties-of-kenaf-unsaturated-polyester-composites-kfupc-2/ # THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC) > Title: THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC) Page Range: p.337-343 Author(s): Rashdi A A A; Sapuan S M; Ahmad M M H M; Khalina A File size: 256K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/the-effects-of-weathering-on-mechanical-properties-of-kenaf-unsaturated-polyester-composites-kfupc-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC)** Page Range: p.337-343 Author(s): Rashdi A A A; Sapuan S M; Ahmad M M H M; Khalina A File size: 256K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101097&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Exposure to natural weathering changes the mechanical properties of unsaturated polyester composites. These changes can negatively affect the mechanical properties of natural fibre composites, through UV radiation and relative humidity. The idea of this study was to determine the durability of kenaf unsaturated polyester composites (KFUPC) in natural conditions, and in addition, to determine the effects of weathering on the performance of these composites and the biodegradability possessed by the composite when exposed to natural weather. KFUPC composites were exposed to the atmosphere for four months. Humidity up-take tests were performed on composite specimens containing (10%, 20% and 30%) weight percentage of fibre content. The tensile properties of exposed specimens were evaluated, and compared alongside dry composite specimens. A decrease in tensile properties of the weather exposed composites was demonstrated, compared with the dry samples. The percentage of moisture uptake increased as the weight percentage of fibre increased, due to the high cellulose content. 22 Refs. --- --- Source: https://polymerjournals.com/solar-and-environmental-degradation-effect-on-tensile-strength-and-glass-transition-temperature-of-glass-fibre-reinforced-plastic-laminates-2/ # SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES > Title: SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES Page Range: p.345-349 Author(s): Sevim C; Varhkh C File size: 187K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/solar-and-environmental-degradation-effect-on-tensile-strength-and-glass-transition-temperature-of-glass-fibre-reinforced-plastic-laminates-2/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES** Page Range: p.345-349 Author(s): Sevim C; Varhkh C File size: 187K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101098&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** In this study, solar and environmental degradation were performed for glass fibre/epoxy and glass fibre/vinyl ester composites. Tensile and differential scanning calorimetry (DSC) tests were applied before and after degradations. Considering tensile strength, it is concluded that vinyl ester composite samples used in this study were more durable against environmental degradation compared to the epoxy based samples. On the contrary, epoxy based samples seemed to be more durable than those of the vinyl ester under solar degradation. Moreover, the glass transition temperature loss % of both two resins was very low after solar degradation. It was observed that the destructive effect of environmental degradation was more dominant than solar degradation, according to measurements of tensile strength and glass transition temperature values. 14 Refs. --- --- Source: https://polymerjournals.com/modified-pf-resins-for-composite-structures-with-improved-mechanical-properties/ # MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES > Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/modified-pf-resins-for-composite-structures-with-improved-mechanical-properties/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODIFIED PF RESINS FOR COMPOSITE STRUCTURES WITH IMPROVED MECHANICAL PROPERTIES** Page Range: p.297-306 Author(s): Cardona F; Aravinthan T; Moscou C File size: 232K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101092&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Novel composites resins for civil engineering structures were synthesised. Resol phenolic resins were modified by the copolymerisation of phenol with cardanol (obtained from CNSL). The modified PF resins were synthesised at different proportions of phenol to cardanol and also of the total phenol to formaldehyde. The synthesis was carried out under alkaline conditions and with a maximum content of 40 wt.% of cardanol. The effect of the partial substitution of phenol by cardanol on the thermal and mechanical properties of the CPF resins was investigated. An increase in the content of cardanol resulted in a proportional increase in the flexibility and in the fracture toughness together with a decrease in the flexural modulus of the cured CPF resins. The higher toughening effect of replacing phenol with cardanol was obtained with the total P:F molar ratio of 1.0:1.25. Also a direct proportionality between the amount of cardanol content and the decrease in crosslink density of the resins was observed. Simultaneous TGA-FTIR studies of the resins were carried out and the emitted gases were identified. The results confirmed that the thermal stability and the temperature of degradation of the cured CPF resins decreased as the amount of cardanol content increased. Gas emissions during the pyrolysis of the CPF resins also increased. 44 Refs. --- --- Source: https://polymerjournals.com/isothermal-crystallization-kinetics-of-tricomponent-blends-of-polycarbonate-polytrimethylene-terephthalate-and-polybutylene-terephthalate/ # ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE > Title: ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE Page Range: p.307-313 Author(s): Al-Mulla A; Al-Omairi L; Mathew J; Bhattacharya S File size: 253K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/isothermal-crystallization-kinetics-of-tricomponent-blends-of-polycarbonate-polytrimethylene-terephthalate-and-polybutylene-terephthalate/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ISOTHERMAL CRYSTALLIZATION KINETICS OF TRICOMPONENT BLENDS OF POLYCARBONATE, POLY(TRIMETHYLENE TEREPHTHALATE) AND POLYBUTYLENE TEREPHTHALATE** Page Range: p.307-313 Author(s): Al-Mulla A; Al-Omairi L; Mathew J; Bhattacharya S File size: 253K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101093&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** The isothermal crystallisation kinetics of two different types of linear aromatic polyesters, namely poly(trimethylene terephthalate) (PTT), poly(butylene terephthalate) (PBT) and their blend with polycarbonate (PC) has been investigated using differential scanning calorimetry (DSC). The blend composed of PTT25/PBT25/PC50 (wt/ wt.%) was synthesised using a twin screw extruder. Isothermal studies for PTT were conducted between 129 and 159 °C. The temperature ranged between 168-177 °C for PBT and between 170 and 183 °C for the blend. Avrami, Tobin and Malkin models were used to estimate the crystallisation kinetic parameters, such as crystallisation rate order (n), crystallisation rate constant (k) and half time of crystallisation (t0.5). The values of average sum of square of errors (ASE) of all models were comparable. This detailed study indicates that the models investigated are suitable for describing the crystallisation kinetics of the blend and the neat polymers. 46 Refs. --- --- Source: https://polymerjournals.com/the-investigation-of-melamine-cyanurate-encapsulating-magnesium-hydroxide-flame-retarded-polyamide-66/ # THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66 > Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66 Page Range: p.315-320 Author(s): Liu Y; Wang Q File size: 192K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue... Canonical URL: https://polymerjournals.com/the-investigation-of-melamine-cyanurate-encapsulating-magnesium-hydroxide-flame-retarded-polyamide-66/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66** Page Range: p.315-320 Author(s): Liu Y; Wang Q File size: 192K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101094&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Inorganic flame retardant, magnesium hydroxide (MH), was surface-modified through in-situ encapsulation of an organic nitrogen flame retardant, melamine cyanurate (MCA) by making use of the self-thickening effects during melamine-cyanurate self-assembly process. The obtained MH encapsulated by MCA (MCA-MH) was applied for the flame retardance of polyamide-66 (PA66). As compared to MH modified by silane coupling agent (MH-SC), MH-MCA had much better compatibility and dispersion in PA66 matrix due to replacing MH-PA66 interface by MCA-PA66, As a result, MCA-MH flame retarded PA66 showed obviously enhanced the flame retardancy and mechanical properties. Additionally, the relationship between the MCA/MH ratio and the flame retardancy, as well as the mechanical properties was investigated, and the corresponding synergistic effects between MCA and MH were researched. 10 Refs. --- --- Source: https://polymerjournals.com/the-study-of-epoxy-methacrylate-silica-hybrid/ # THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID > Title: THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID Page Range: p.321-327 Author(s): Ou C-F; Shiu M-C File size: 247K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 Abstract A... Canonical URL: https://polymerjournals.com/the-study-of-epoxy-methacrylate-silica-hybrid/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE STUDY OF EPOXY METHACRYLATE/SILICA HYBRID** Page Range: p.321-327 Author(s): Ou C-F; Shiu M-C File size: 247K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101095&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** A series of epoxy methacrylate/silica hybrids, containing 0.5, 1, 3, 5, 7, 10, and 15 wt.% tetraethyloxysilane (TEOS), were synthesised by sol-gel process. Differential scanning calorimetry (DSC) indicated that the glass transition temperatures (Tg) of the hybrids were higher than that of the pure epoxy methacrylate, the maximum increase of 26.7 C being achieved with the addition of 3 wt.% TEOS. The decomposition temperatures (Td) of the hybrids were higher than that of the pure epoxy methacrylate (EMA) and rose as the TEOS content increased. The light transmittance of the hybrids was still higher than 80% with up to 15 wt.% TEOS. The water permeability of the hybrids decreased with increasing TEOS content to 7 wt.%, and then increased to 15 wt.%. The hybrid with 7 wt.% TEOS exhibited a maximum permeability decrease of 54.0%. Scanning electron microscopy (SEM) showed that the number of dispersed droplet of silica increased as the content of TEOS increased. 32 Refs. --- --- Source: https://polymerjournals.com/mechanical-and-surface-properties-of-e-beam-irradiated-polytetrafluoroethylene-silicone-rubber-composites/ # MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES > Title: MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES Page Range: p.329-336 Author(s): Dadbin S; Kashcooli Y; Frounchi M File size: 225K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/mechanical-and-surface-properties-of-e-beam-irradiated-polytetrafluoroethylene-silicone-rubber-composites/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL AND SURFACE PROPERTIES OF E-BEAM IRRADIATED POLYTETRAFLUOROETHYLENE-SILICONE RUBBER COMPOSITES** Page Range: p.329-336 Author(s): Dadbin S; Kashcooli Y; Frounchi M File size: 225K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101096&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Compounding electron beam irradiated polytetrafluoroethylene (PTFE or Teflon) powder with silicone rubber produced silicone rubber/PTFE composites with desired physical properties. PTFE powder was exposed to electron beam irradiation at various doses and characterized by FTIR, DSC and contact angle measurements. Irradiation of PTFE with high energy electron beam induced chain scission reactions. Irradiated PTFE showed higher degree of crystallisation and lower melting point with increasing absorbed dose. Number average molecular weight of irradiated PTFE was reduced significantly at higher absorbed doses. Formation of polar groups on the surface of irradiated PTFE powder was detected by FTIR spectroscopy. The latter was also verified by measurements of water-drop contact angle, which decreased with increasing absorbed dose. Mechanical and surface properties of the composites of silicone rubber and PTFE were characterized by tensile strength, abrasion resistance and water drop contact angle measurements. All the composites containing 5-15 phr PTFE showed higher tensile strength compared to the silicone rubber. Irradiation of PTFE powder had a significant effect on improving the abrasion resistance of the silicone rubber upon addition of only 5 phr irradiated PTFE. Similar abrasion resistance was obtained with the addition of higher amounts of non-irradiated PTFE (15 phr). Water drop contact angle of the composites decreased slightly with increasing the absorbed dose of PTFE. 17 Refs. --- --- Source: https://polymerjournals.com/the-effects-of-weathering-on-mechanical-properties-of-kenaf-unsaturated-polyester-composites-kfupc/ # THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC) > Title: THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC) Page Range: p.337-343 Author(s): Rashdi A A A; Sapuan S M; Ahmad M M H M; Khalina A File size: 256K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/the-effects-of-weathering-on-mechanical-properties-of-kenaf-unsaturated-polyester-composites-kfupc/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECTS OF WEATHERING ON MECHANICAL PROPERTIES OF KENAF UNSATURATED POLYESTER COMPOSITES (KFUPC)** Page Range: p.337-343 Author(s): Rashdi A A A; Sapuan S M; Ahmad M M H M; Khalina A File size: 256K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101097&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** Exposure to natural weathering changes the mechanical properties of unsaturated polyester composites. These changes can negatively affect the mechanical properties of natural fibre composites, through UV radiation and relative humidity. The idea of this study was to determine the durability of kenaf unsaturated polyester composites (KFUPC) in natural conditions, and in addition, to determine the effects of weathering on the performance of these composites and the biodegradability possessed by the composite when exposed to natural weather. KFUPC composites were exposed to the atmosphere for four months. Humidity up-take tests were performed on composite specimens containing (10%, 20% and 30%) weight percentage of fibre content. The tensile properties of exposed specimens were evaluated, and compared alongside dry composite specimens. A decrease in tensile properties of the weather exposed composites was demonstrated, compared with the dry samples. The percentage of moisture uptake increased as the weight percentage of fibre increased, due to the high cellulose content. 22 Refs. --- --- Source: https://polymerjournals.com/solar-and-environmental-degradation-effect-on-tensile-strength-and-glass-transition-temperature-of-glass-fibre-reinforced-plastic-laminates/ # SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES > Title: SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES Page Range: p.345-349 Author(s): Sevim C; Varhkh C File size: 187K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/solar-and-environmental-degradation-effect-on-tensile-strength-and-glass-transition-temperature-of-glass-fibre-reinforced-plastic-laminates/ Published: 2010-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SOLAR AND ENVIRONMENTAL DEGRADATION EFFECT ON TENSILE STRENGTH AND GLASS TRANSITION TEMPERATURE OF GLASS FIBRE REINFORCED PLASTIC LAMINATES** Page Range: p.345-349 Author(s): Sevim C; Varhkh C File size: 187K ![](http://dload.gif) [Download the pdf](http://default.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-6&JournalID=101098&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.6 **Abstract** In this study, solar and environmental degradation were performed for glass fibre/epoxy and glass fibre/vinyl ester composites. Tensile and differential scanning calorimetry (DSC) tests were applied before and after degradations. Considering tensile strength, it is concluded that vinyl ester composite samples used in this study were more durable against environmental degradation compared to the epoxy based samples. On the contrary, epoxy based samples seemed to be more durable than those of the vinyl ester under solar degradation. Moreover, the glass transition temperature loss % of both two resins was very low after solar degradation. It was observed that the destructive effect of environmental degradation was more dominant than solar degradation, according to measurements of tensile strength and glass transition temperature values. 14 Refs. --- --- Source: https://polymerjournals.com/effect-of-process-parameters-on-layer-by-layer-self-assembly-of-polyelectrolytes-on-cotton-substrate/ # EFFECT OF PROCESS PARAMETERS ON LAYER-BY-LAYER SELF-ASSEMBLY OF POLYELECTROLYTES ON COTTON SUBSTRATE > Title: EFFECT OF PROCESS PARAMETERS ON LAYER-BY-LAYER SELF-ASSEMBLY OF POLYELECTROLYTES ON COTTON SUBSTRATE Page Range: p.237-249 Author(s): Wazed Ali S; Rajendran S; Joshi M File size: 255K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/effect-of-process-parameters-on-layer-by-layer-self-assembly-of-polyelectrolytes-on-cotton-substrate/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF PROCESS PARAMETERS ON LAYER-BY-LAYER SELF-ASSEMBLY OF POLYELECTROLYTES ON COTTON SUBSTRATE** Page Range: p.237-249 Author(s): Wazed Ali S; Rajendran S; Joshi M File size: 255K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101085&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** To our knowledge, the present study is the first attempt to evaluate the effect of different process parameters on the amount of polyelectrolyte adsorbed on a cotton textile substrate via sequential adsorption of negatively charged poly (styrene sulphonate) (PSS) and positively charged poly (allylamine hydrochloride) (PAH) using layer-by-layer (LBL) self-assembly nanocoating process. A considerably different polymer adsorption behaviour was observed from thick adsorbed layers to thin adsorbed layer with different degree of layer penetration and ionic pair formation over the pH range (2.5 – 9.0) studied. The amount of polyelectrolyte adsorption on cotton fabric was evaluated by measuring the colour value (K/S) of methylene blue absorbed cotton surface. Contact angle measurement revealed that the extent of binding of the oppositely charged polyions on the fabric depends on the pH of the polyelectrolyte solution and ‘zipped-up' structure with more ion pair formation was observed at the pH range 4.5 – 6.5. At higher temperature, the amount of polyelectrolyte adsorbed within the multilayers was higher. An increased deposition of PSS and PAH was observed with increase in electrolyte (NaCl) concentration. The amount of PSS and PAH adsorption increased up to 0.03 (M) of PSS and 0.01 (M) of PAH concentrations, respectively. A dipping time of 5 min was sufficient to have a maximum deposition of the polyelectrolyte multilayers. 26 Refs. --- --- Source: https://polymerjournals.com/effect-of-poly2-ethyl-2-oxazoline-on-multi-walled-carbon-nanotubes-reinforced-polyvinyl-alcohol-composites/ # EFFECT OF POLY(2-ETHYL-2-OXAZOLINE) ON MULTI-WALLED CARBON NANOTUBES REINFORCED POLY(VINYL ALCOHOL) COMPOSITES > Title: EFFECT OF POLY(2-ETHYL-2-OXAZOLINE) ON MULTI-WALLED CARBON NANOTUBES REINFORCED POLY(VINYL ALCOHOL) COMPOSITES Page Range: p.251-256 Author(s): Tan S H; Suk K L; Goak J C; Hong S C; Kim J-Y; Lee S-W; Kim S; Seo Y; Lee N File size: 348K Download... Canonical URL: https://polymerjournals.com/effect-of-poly2-ethyl-2-oxazoline-on-multi-walled-carbon-nanotubes-reinforced-polyvinyl-alcohol-composites/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF POLY(2-ETHYL-2-OXAZOLINE) ON MULTI-WALLED CARBON NANOTUBES REINFORCED POLY(VINYL ALCOHOL) COMPOSITES** Page Range: p.251-256 Author(s): Tan S H; Suk K L; Goak J C; Hong S C; Kim J-Y; Lee S-W; Kim S; Seo Y; Lee N File size: 348K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101086&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** The effect of poly(2-ethyl-2-oxazoline) (PEOX) as a surface modifier for multi-walled carbon nanotubes (MWCNTs) in a poly(vinyl alcohol) (PVA) composite was studied through a simple polymer wrapping and melt extrusion processes. MWCNTs were carboxylated in a reaction with HNO3, followed by mixing with 10 wt.% PEOX in ethanol to produce a MWCNT-PEOX complex. High resolution transmission electron microscopy identified a PEOX layer existing on the surface of MWCNTs. Compared with pristine MWCNTs, MWCNT-PEOX showed an improved dispersion in hydrophilic solvents such as water and ethanol. The PVA composite reinforced with 0.5 wt.% MWCNT-PEOX exhibited 54% higher Young's modulus than pure PVA. 20 Refs. --- --- Source: https://polymerjournals.com/thermal-properties-of-high-density-polyethylene-kenaf-cellulose-composites/ # THERMAL PROPERTIES OF HIGH DENSITY POLYETHYLENE-KENAF CELLULOSE COMPOSITES > Title: THERMAL PROPERTIES OF HIGH DENSITY POLYETHYLENE-KENAF CELLULOSE COMPOSITES Page Range: p.257-261 Author(s): Tajeddin B; Abdulah L C File size: 148K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No:... Canonical URL: https://polymerjournals.com/thermal-properties-of-high-density-polyethylene-kenaf-cellulose-composites/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL PROPERTIES OF HIGH DENSITY POLYETHYLENE-KENAF CELLULOSE COMPOSITES** Page Range: p.257-261 Author(s): Tajeddin B; Abdulah L C File size: 148K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101087&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** Biocomposites of high density polyethylene (HDPE) and kenaf cellulose (KC) with polyethylene glycol (PEG) have been prepared by melt blending and compression moulding. The optimum temperature and reaction period for blending KC with HDPE were 145 °C and 12 minutes with rotation speed of 30 rpm, respectively. The effects of composition on the thermal properties of HDPE-KC biocomposites were investigated using TGA and DSC. Each sample of HDPE-KC biocomposites was subjected to heating programs between 35-600 °C for TGA, and the DSC analysis was determined under heating cycles of 25-600 °C. The results from TGA and DSC indicated that by increasing the KC content, the thermal stability was slightly improved. The melting temperature for all the composites was less than the melting point of KC (148.70 °C), and almost the same as that of HDPE (130.38 °C). Therefore no significant change in the melting temperature resulted from adding KC to the HDPE matrix. However, HDPE's presence surrounding the KC fibres, prevented water from reaching the cellulose fibre particles, thus reducing the water content in the composite; hence a significant advantage of forming KC composites with hydrophobic HDPE is that it helps to make the cellulose hydrophobic instead of hydrophilic. 15 Refs. --- --- Source: https://polymerjournals.com/prediction-of-process-induced-geometrical-deformations-for-stiffened-thermosetting-composite-panels/ # PREDICTION OF PROCESS-INDUCED GEOMETRICAL DEFORMATIONS FOR STIFFENED THERMOSETTING COMPOSITE PANELS > Title: PREDICTION OF PROCESS-INDUCED GEOMETRICAL DEFORMATIONS FOR STIFFENED THERMOSETTING COMPOSITE PANELS Page Range: p.263-273 Author(s): Zhang B; Yue G File size: 486K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue... Canonical URL: https://polymerjournals.com/prediction-of-process-induced-geometrical-deformations-for-stiffened-thermosetting-composite-panels/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTION OF PROCESS-INDUCED GEOMETRICAL DEFORMATIONS FOR STIFFENED THERMOSETTING COMPOSITE PANELS** Page Range: p.263-273 Author(s): Zhang B; Yue G File size: 486K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101088&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** Stiffened thermosetting composite panels are primary structure of aircraft and fabricated with co-curing processing. The process-induced residual stresses resulted in geometrical deformation when the stiffened composite panel was fully cured and removed from the tool. An investigation into the three-dimensional cure simulation of T-shape stiffened thermosetting composite panels was presented to predict the process-induced deformation during cocuring. And flexible tools and locating tools were considered in the cure simulation. Simulation examples were presented to demonstrate use of the present finite element procedure for predicting composite parts deformations. The T300/BMI structure was analyzed provide insight into the non-uniform curing process. The temperature was higher in the interface between web and flange during the entire cure cycle. And the distortions of skin and webs for T-shape stiffened thermosetting composite panel were remarkable. 23 Refs. --- --- Source: https://polymerjournals.com/computer-simulation-of-resin-flow-through-the-bleeder-in-the-autoclave-curing-process/ # COMPUTER SIMULATION OF RESIN FLOW THROUGH THE BLEEDER IN THE AUTOCLAVE CURING PROCESS > Title: COMPUTER SIMULATION OF RESIN FLOW THROUGH THE BLEEDER IN THE AUTOCLAVE CURING PROCESS Page Range: p.275-282 Author(s): Xu P; Jing X File size: 235K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/computer-simulation-of-resin-flow-through-the-bleeder-in-the-autoclave-curing-process/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPUTER SIMULATION OF RESIN FLOW THROUGH THE BLEEDER IN THE AUTOCLAVE CURING PROCESS** Page Range: p.275-282 Author(s): Xu P; Jing X File size: 235K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101089&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** In the autoclave curing process of phenolic resin composite at high pressure, uncured resin usually flows into the vacuum pipe through improperly used bleeder and blocks the vacuum orifice. Therefore, there are too many defects formed in the as-prepared composite because not all volatiles can be expelled from the laminate. In order to choosing or manufacturing the bleeder used in this special condition, the resin flow in the bleeder should be carefully investigated. However, the resin flow in the bleeder cannot be observed directly during the autoclave curing process, computer simulation is employed to describe the flow in the bleeder. The simulation results show that i) the resin flow near the vacuum orifice is quite different compared to that far away from the vacuum orifice, the resin can flow through the bleeder near the vacuum orifice within a shorter time; ii) a bleeder made from needle-punched nonwoven material with low porosity, small fibre diameter and small permeability could prevent the resin from flowing into the vacuum pipe in the autoclave curing process. 19 Refs. --- --- Source: https://polymerjournals.com/synthesis-of-hyper-branched-4a-zeolite-and-its-application-in-natural-rubber-systems/ # SYNTHESIS OF HYPER-BRANCHED 4A ZEOLITE AND ITS APPLICATION IN NATURAL RUBBER SYSTEMS > Title: SYNTHESIS OF HYPER-BRANCHED 4A ZEOLITE AND ITS APPLICATION IN NATURAL RUBBER SYSTEMS Page Range: p.283-290 Author(s): Wang J; Zheng X; Chen Y File size: 442K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/synthesis-of-hyper-branched-4a-zeolite-and-its-application-in-natural-rubber-systems/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF HYPER-BRANCHED 4A ZEOLITE AND ITS APPLICATION IN NATURAL RUBBER SYSTEMS** Page Range: p.283-290 Author(s): Wang J; Zheng X; Chen Y File size: 442K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101090&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** Hyper-branched 4A zeolite (HB-4A zeolite) was prepared by condensation reaction between 4A zeolite and the monomer we prepared. It was then characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). This HB-4A zeolite was then used in the preparation of natural rubber (NR)/HB-4A zeolite composite. Different types of NR/HB-4A zeolite composites were prepared with different amounts of HB-4A zeolite and compared with the composites directly incorporated with 4A zeolite. The cure characteristics of different 4A zeolite filled NR composites were studied. Then, the tensile and thermal properties were compared. Results revealed that the mechanical properties of NR/HB-4A zeolite, especially elongation at break, showed a remarkable enhancement compared with that of NR/4A zeolite and NR systems. SEM studies showed that hyper-branching modification might increase the compatibility between 4A zeolite and NR matrix. A reinforcing mechanism was proposed, assuming that the ‘anchor' effect caused by the hyper-branched polymer may reduce the amount and size of voids and increase the length of the crack spread path during tensile drawing. 16 Refs. --- --- Source: https://polymerjournals.com/thermal-oxidation-behaviour-and-degradation-kinetics-of-polypropylene-with-p-tert-butylcalixnarenes/ # THERMAL OXIDATION BEHAVIOUR AND DEGRADATION KINETICS OF POLYPROPYLENE WITH P-TERT-BUTYLCALIX\[N\]ARENES > Title: THERMAL OXIDATION BEHAVIOUR AND DEGRADATION KINETICS OF POLYPROPYLENE WITH P-TERT-BUTYLCALIX[N]ARENES Page Range: p.291-296 Author(s): Zhu L; Xu K; Chen J; Chen M File size: 192K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/thermal-oxidation-behaviour-and-degradation-kinetics-of-polypropylene-with-p-tert-butylcalixnarenes/ Published: 2010-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL OXIDATION BEHAVIOUR AND DEGRADATION KINETICS OF POLYPROPYLENE WITH P-TERT-BUTYLCALIX[N]ARENES** Page Range: p.291-296 Author(s): Zhu L; Xu K; Chen J; Chen M File size: 192K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-5&JournalID=101091&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.5 **Abstract** p-tert-butylcalix[4]arene (C4), p-tert-butylcalix [6]arene (C6) and p-tert-butylcalix[8]arene (C8) were synthesised and explored as antioxidants for polypropylene (PP). The structures of these compounds were characterized by 1H-NMR and FTIR, and their antioxidation efficiencies for PP were evaluated by rheology analysis, differential scanning calorimetry (DSC), melt flow index analysis, and thermogravimetric analysis (TGA). The rheology results from a Haake Polydrive mixer revealed that calix[n]arenes had little effect in preventing PP from degradation during the processing, and the DSC analysis showed that the antioxidation performance of the calix[n]arenes for PP was in the order of C4 greater than C6 greater than C8. The values of melt flow index indicated that calix[n]arenes, especially C4 and C6, could largely improve the thermal stability of PP, and the activation energies for degradation of PP with C4, C6 and C8 calculated with the data from TGA were 97.05, 84.60 and 53.69 kJ/mol, respectively. 22 Refs. --- --- Source: https://polymerjournals.com/low-velocity-impact-behaviour-of-3-d-glass-fibre-hollow-integrated-core-sandwich-composites/ # LOW-VELOCITY IMPACT BEHAVIOUR OF 3-D GLASS FIBRE HOLLOW INTEGRATED CORE SANDWICH COMPOSITES > Title: LOW-VELOCITY IMPACT BEHAVIOUR OF 3-D GLASS FIBRE HOLLOW INTEGRATED CORE SANDWICH COMPOSITES Page Range: p.175-179 Author(s): Cao H; Qian K; Wei Q; Li H File size: 212K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/low-velocity-impact-behaviour-of-3-d-glass-fibre-hollow-integrated-core-sandwich-composites/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: LOW-VELOCITY IMPACT BEHAVIOUR OF 3-D GLASS FIBRE HOLLOW INTEGRATED CORE SANDWICH COMPOSITES** Page Range: p.175-179 Author(s): Cao H; Qian K; Wei Q; Li H File size: 212K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101078&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** In the current work, 3-D glass fibre woven fabric-reinforced composites were fabricated by impregnating epoxy resin in a hand lay-up procedure for the hollow integrated core sandwich structure. Four types of 3-D structures were investigated in terms of the impact properties as a function of the z-direction fibre length (5, 6 and 7 mm) and covered skins (covered with aluminium) in core structures. Impact properties including peak load, time to peak load, and absorbed energy were evaluated. It was found that the 3-D hollow integrated core sandwich composites covered with aluminium skin considerably enhanced the impact resistance. Photographs of the impact damage taken after impact tests were analyzed and discussed in terms of a hollowing on the front face sheet against the load applied, and whitening spread in the impact point on the back face sheet of the composites was also studied. 10 Refs. --- --- Source: https://polymerjournals.com/study-on-a-high-performance-packaging-material-of-hdpe-lldpe-ommt-nanocomposites/ # STUDY ON A HIGH PERFORMANCE PACKAGING MATERIAL OF HDPE/LLDPE/ OMMT NANOCOMPOSITES > Title: STUDY ON A HIGH PERFORMANCE PACKAGING MATERIAL OF HDPE/LLDPE/ OMMT NANOCOMPOSITES Page Range: p.181-188 Author(s): Zhou L; Li P; Song G; Gu Z; Wang L; Gao Z File size: 179K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/study-on-a-high-performance-packaging-material-of-hdpe-lldpe-ommt-nanocomposites/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON A HIGH PERFORMANCE PACKAGING MATERIAL OF HDPE/LLDPE/ OMMT NANOCOMPOSITES** Page Range: p.181-188 Author(s): Zhou L; Li P; Song G; Gu Z; Wang L; Gao Z File size: 179K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101079&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** New types of HDPE/LLDPE/OMMT nanocomposites, which were used as packaging materials, were prepared by direct injection moulding without any compatibiliser. This method was similar to the film forming technology. TEM observation revealed that the OMMT layers were homogeneously dispersed throughout the matrix at the nano-scale. The results of mechanical properties measurement showed that the tensile strength, tensile modulus, flexural strength and flexural modulus were improved remarkably with small amounts of OMMT, whose contents were below 6.0 wt.%. For example, the yield strength of the nanocomposite with 4.0 wt.% OMMT was 32.8 MPa, which increased 27.6% compared with that of the neat sample. Meanwhile, the heat deflection temperature values and TGA results showed that the thermal stability also improved. 17 Refs. --- --- Source: https://polymerjournals.com/epdm-hdpe-based-thermoplastic-vulcanisates-studied-by-physical-mechanical-tests-and-ir-spectrometry/ # EPDM/HDPE-BASED THERMOPLASTIC VULCANISATES STUDIED BY PHYSICAL-MECHANICAL TESTS AND IR SPECTROMETRY > Title: EPDM/HDPE-BASED THERMOPLASTIC VULCANISATES STUDIED BY PHYSICAL-MECHANICAL TESTS AND IR SPECTROMETRY Page Range: p.189-195 Author(s): Moldovan Z; Ionescu F; Alexandrescu L; Carsote C File size: 264K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/epdm-hdpe-based-thermoplastic-vulcanisates-studied-by-physical-mechanical-tests-and-ir-spectrometry/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EPDM/HDPE-BASED THERMOPLASTIC VULCANISATES STUDIED BY PHYSICAL-MECHANICAL TESTS AND IR SPECTROMETRY** Page Range: p.189-195 Author(s): Moldovan Z; Ionescu F; Alexandrescu L; Carsote C File size: 264K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101080&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** For the present study, blends of ethylene-propylene-diene terpolymer (EPDM) rubber with a thermoplastic polyolefin namely high-density polyethylene (HDPE) were prepared by dynamic vulcanisation. The physicomechanical tests, IR spectra (recorded by attenuated total reflection technique) and ageing behaviour of the binary blends were investigated, analyzing the effect of the rubber/thermoplastics ratio, the kind of reticulating agent and the percent of plasticiser on the properties of the prepared polymer blends. 23 Refs. --- --- Source: https://polymerjournals.com/effect-of-salicylic-acid-on-the-mechanical-properties-and-water-resistance-of-soy-protein-isolate-films/ # EFFECT OF SALICYLIC ACID ON THE MECHANICAL PROPERTIES AND WATER RESISTANCE OF SOY PROTEIN ISOLATE FILMS > Title: EFFECT OF SALICYLIC ACID ON THE MECHANICAL PROPERTIES AND WATER RESISTANCE OF SOY PROTEIN ISOLATE FILMS Page Range: p.197-203 Author(s): Bai H; Kumar R; Yang C; Liu X; Zhang L File size: 238K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-salicylic-acid-on-the-mechanical-properties-and-water-resistance-of-soy-protein-isolate-films/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SALICYLIC ACID ON THE MECHANICAL PROPERTIES AND WATER RESISTANCE OF SOY PROTEIN ISOLATE FILMS** Page Range: p.197-203 Author(s): Bai H; Kumar R; Yang C; Liu X; Zhang L File size: 238K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101081&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** Soy protein composites films (SF) have been prepared using soy protein isolate (SPI), salicylic acid (SA) and glycerol as a plasticiser. To prepare water resistant soy protein composites films (SF-B), 2, 2-diphenyl-2- hydroxyethanoic acid (DPHEAc) was used. Different amounts of SA were added in both SF and SF-B films. The results showed that the SF-B films with 0.5% (wt) of SA had higher tensile strength and modulus with low water uptake than that of SF films at same amount of SA. Contact angle analysis also indicated that the SF-B films showed hydrophobic surface. Thus both lower levels of water uptake and hydrophobic surface indicated high water resistance of the materials. Higher transmittance value and increased intermolecular hydrogen bonding showed higher compatibility between SPI and SA. This work provided a new approach in the use of SA in water resistant soy protein films for enhancing the processing window. 30 Refs. --- --- Source: https://polymerjournals.com/hybridization-effect-of-glass-fibre-on-mechanical-morphological-and-thermal-properties-of-polypropylene-bamboo-glass-fibre-hybrid-composites/ # HYBRIDIZATION EFFECT OF GLASS FIBRE ON MECHANICAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLYPROPYLENE-BAMBOO/GLASS FIBRE HYBRID COMPOSITES > Title: HYBRIDIZATION EFFECT OF GLASS FIBRE ON MECHANICAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLYPROPYLENE-BAMBOO/GLASS FIBRE HYBRID COMPOSITES Page Range: p.205-218 Author(s): Nayak S K; Mohanty S; Samal S K File size: 503K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/hybridization-effect-of-glass-fibre-on-mechanical-morphological-and-thermal-properties-of-polypropylene-bamboo-glass-fibre-hybrid-composites/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HYBRIDIZATION EFFECT OF GLASS FIBRE ON MECHANICAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLYPROPYLENE-BAMBOO/GLASS FIBRE HYBRID COMPOSITES** Page Range: p.205-218 Author(s): Nayak S K; Mohanty S; Samal S K File size: 503K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101082&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** Polypropylene/bamboo fibre-reinforced composites (BFRP) and polypropylene-bamboo/glass fibre based hybrid composites (BGRP) using an intermeshing counter-rotating twin-screw extruder followed by injection moulding in which maleic anhydride grafted polypropylene (MAPP) was used as a compatibiliser. The effect of hybridisation on the mechanical performance of hybrid composites has been assessed. It was observed that replacement of 15 wt.% of bamboo fibre by 15 wt.% of glass fibre with 2 wt.% of MAPP on a total amount of 30 wt.% of fibre content showed optimum mechanical performance. The water uptake of the hybrid composites was also found to be less than that of their unhybridised counterpart. The crystallisation, melting behaviour and thermal stability of the hybrid composites were investigated employing differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). TGA thermograms showed an increase in thermal stability of the matrix polymer after incorporation of bamboo and glass fibres, confirming the effect of hybridisation and efficient fibre matrix interfacial adhesion. The fibre-matrix interfacial morphology of the tensile fractured specimens was studied using scanning electron microscopy (SEM) which showed less fibre pullout and fewer gaps between the fibre and the base matrix in case of MAPP-treated hybrid composites. 46 Refs. --- --- Source: https://polymerjournals.com/reactive-compatibilization-and-elastomer-toughening-of-poly26-dimethyl-14-phenylene-oxide-polyamide-6-blends/ # REACTIVE COMPATIBILIZATION AND ELASTOMER TOUGHENING OF POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE)/POLYAMIDE 6 BLENDS > Title: REACTIVE COMPATIBILIZATION AND ELASTOMER TOUGHENING OF POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE)/POLYAMIDE 6 BLENDS Page Range: p.219-226 Author(s): Li B; Wan C; Zhang Y; Ji J; Su Y File size: 358K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/reactive-compatibilization-and-elastomer-toughening-of-poly26-dimethyl-14-phenylene-oxide-polyamide-6-blends/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: REACTIVE COMPATIBILIZATION AND ELASTOMER TOUGHENING OF POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE)/POLYAMIDE 6 BLENDS** Page Range: p.219-226 Author(s): Li B; Wan C; Zhang Y; Ji J; Su Y File size: 358K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101083&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** Poly(2,6-dimethyl-1,4-phenylene oxide)/polyamide 6 (PPO/PA6) blends were reactively compatibilised by maleic anhydride (MA) grafted PPO (PPO-g-MA) and toughened by MA grafted styrene-ethylene-butadiene-styrene block copolymer (SEBS) (SEBS-g-MA) via melt extrusion. The compatibilising effect of PPO-g-MA on the PPO/PA6 blends was studied by using scanning electronic microscopy, differential scanning calorimetry and mechanical properties tests. The notched impact strength of PPO-g-MA/PPO/PA6/SEBS-g-MA blends increased with increasing SEBS-g-MA content, leading to blends having super-tough behaviour. The fracture behaviour of the PPO/PA6 blends was studied using a modified essential work of fracture model (EWF), which showed that plastic deformation related to SEBS-g-MA was the crucial factor for the toughening. 31 Refs. --- --- Source: https://polymerjournals.com/the-fabrication-and-progress-of-hollow-structures/ # THE FABRICATION AND PROGRESS OF HOLLOW STRUCTURES > Title: THE FABRICATION AND PROGRESS OF HOLLOW STRUCTURES Page Range: p.227-235 Author(s): Cao S; Chen J; Hu J; Yuan X File size: 183K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18... Canonical URL: https://polymerjournals.com/the-fabrication-and-progress-of-hollow-structures/ Published: 2010-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE FABRICATION AND PROGRESS OF HOLLOW STRUCTURES** Page Range: p.227-235 Author(s): Cao S; Chen J; Hu J; Yuan X File size: 183K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-4&JournalID=101084&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.4 **Abstract** The fabrication of hollow particles is one of the fastest-growing fields of materials research, owing to their potential applications in catalysis, chromatography, separation, coatings, protection of bioactive agents, microelectronics and electrooptics. As reported in recent studies, a variety of chemical and physicochemical methods have been employed to prepare hollow spheres with hierarchical and well-defined morphologies. For this, a basic understanding of the mechanism and recent advances in the fabrication of hollow spheres is discussed, along with outstanding challenges, issues, and potentially future opportunities. Evidently, it will enable the development in the fabrication of hollow particles with unique and tailored properties. 93 Refs. --- --- Source: https://polymerjournals.com/influence-of-nanoclay-on-the-morphology-adhesive-and-mechanical-properties-of-polysulfide-modified-epoxy-resin/ # INFLUENCE OF NANOCLAY ON THE MORPHOLOGY, ADHESIVE AND MECHANICAL PROPERTIES OF POLYSULFIDE MODIFIED EPOXY RESIN > Title: INFLUENCE OF NANOCLAY ON THE MORPHOLOGY, ADHESIVE AND MECHANICAL PROPERTIES OF POLYSULFIDE MODIFIED EPOXY RESIN Page Range: p.123-131 Author(s): Guchhait P K; Pradhan S; Kumar K D; Maji P K; Bhowmick A K File size: 261K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/influence-of-nanoclay-on-the-morphology-adhesive-and-mechanical-properties-of-polysulfide-modified-epoxy-resin/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF NANOCLAY ON THE MORPHOLOGY, ADHESIVE AND MECHANICAL PROPERTIES OF POLYSULFIDE MODIFIED EPOXY RESIN** Page Range: p.123-131 Author(s): Guchhait P K; Pradhan S; Kumar K D; Maji P K; Bhowmick A K File size: 261K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101056&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The preparation of nanocomposites of an epoxy resin cured with a tertiary amine and modified with liquid polysulphide, and various proportions of organically modified montmorillonite clay nanoparticles, and their characterisation by XRD (filler dispersion), TEM (morphology), tensile stress-strain properties, tensile strength, elongation at break, DMA and SEM (fracture morphology) measurements, is described. The effects of organoclay content on the adhesive properties of the nanocomposites were investigated by lap shear tests using aluminium adherends and the results are discussed in terms of the interaction between the adhesive and substrate in the presence of filler. 30 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-corncob-g-acrylamide-methacrylic-acid/ # PREPARATION AND CHARACTERIZATION OF CORNCOB-g-ACRYLAMIDE/METHACRYLIC ACID > Title: PREPARATION AND CHARACTERIZATION OF CORNCOB-g-ACRYLAMIDE/METHACRYLIC ACID Page Range: p.133-137 Author(s): Song Y; Song Y; Zhang M File size: 194K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-corncob-g-acrylamide-methacrylic-acid/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF CORNCOB-g-ACRYLAMIDE/METHACRYLIC ACID** Page Range: p.133-137 Author(s): Song Y; Song Y; Zhang M File size: 194K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101057&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The modification of corn cob by graft copolymerisation with a mixture of acrylamide and methacrylic acid using ferrous ammonium sulphate/hydrogen peroxide as redox initiator under various reaction conditions, and the characterisation of the products by FTIR, SEM and TGA, is described. The effects of monomer mass ratio, initiator concentration, reaction temperature and time on graft copolymerisation were investigated in terms of grafting percentage and grafting efficiency, and the results are discussed in terms of optimisation of reaction conditions and potential applications in wastewater treatment. 15 refs. --- --- Source: https://polymerjournals.com/preparation-of-thermoplastic-elastomer-from-epoxidised-natural-rubber-and-polystyrene/ # PREPARATION OF THERMOPLASTIC ELASTOMER FROM EPOXIDISED NATURAL RUBBER AND POLYSTYRENE > Title: PREPARATION OF THERMOPLASTIC ELASTOMER FROM EPOXIDISED NATURAL RUBBER AND POLYSTYRENE Page Range: p.139-144 Author(s): Chuayjujt S; Sakulkijpiboon S; Potiyaraj P File size: 403K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/preparation-of-thermoplastic-elastomer-from-epoxidised-natural-rubber-and-polystyrene/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF THERMOPLASTIC ELASTOMER FROM EPOXIDISED NATURAL RUBBER AND POLYSTYRENE** Page Range: p.139-144 Author(s): Chuayjujt S; Sakulkijpiboon S; Potiyaraj P File size: 403K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101058&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The preparation of thermoplastic elastomers based on blends of epoxidised natural rubber with different epoxide group contents, derived via in-situ epoxidation, and various proportions of polystyrene latex from a commercial source or synthesised in-house by emulsion polymerisation, is described. The products were characterised by tensile strength, elongation at break, Shore A hardness, morphology (SEM) and glass transition temperature (DSC), and the effects of polystyrene and epoxide group contents on mechanical and thermal properties of the blends are discussed in terms of compatibility and miscibility. 8 refs. --- --- Source: https://polymerjournals.com/effect-of-barium-sulfate-nanoparticles-on-mechanical-properties-and-crystallization-behaviour-of-hdpe/ # EFFECT OF BARIUM SULFATE NANOPARTICLES ON MECHANICAL PROPERTIES AND CRYSTALLIZATION BEHAVIOUR OF HDPE > Title: EFFECT OF BARIUM SULFATE NANOPARTICLES ON MECHANICAL PROPERTIES AND CRYSTALLIZATION BEHAVIOUR OF HDPE Page Range: p.145-152 Author(s): Chen X; Wang L; Shi J; Shi H; Liu Y File size: 235K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/effect-of-barium-sulfate-nanoparticles-on-mechanical-properties-and-crystallization-behaviour-of-hdpe/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF BARIUM SULFATE NANOPARTICLES ON MECHANICAL PROPERTIES AND CRYSTALLIZATION BEHAVIOUR OF HDPE** Page Range: p.145-152 Author(s): Chen X; Wang L; Shi J; Shi H; Liu Y File size: 235K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101059&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The preparation via melt blending of nanocomposites of high density polyethylene with various proportions of barium sulphate nanoparticles modified by treatment with sodium stearate as filler, and their characterisation by SEM (morphology), DSC (crystallisation and thermal properties), XRD (crystal structure), DMA (storage modulus and loss tangent), tensile and impact testing, is described. The effects of filler content on mechanical properties and crystallisation behaviour of the nanocomposites were investigated and the results are discussed in terms of nucleation and reinforcement. 30 refs. --- --- Source: https://polymerjournals.com/synthesis-characterisation-and-properties-of-polyurethane-grafted-chlorinated-polypropylene-and-its-composites/ # SYNTHESIS, CHARACTERISATION AND PROPERTIES OF POLYURETHANE GRAFTED CHLORINATED POLYPROPYLENE AND ITS COMPOSITES > Title: SYNTHESIS, CHARACTERISATION AND PROPERTIES OF POLYURETHANE GRAFTED CHLORINATED POLYPROPYLENE AND ITS COMPOSITES Page Range: p.153-158 Author(s): Wang X; Dong X; Liu D File size: 170K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/synthesis-characterisation-and-properties-of-polyurethane-grafted-chlorinated-polypropylene-and-its-composites/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS, CHARACTERISATION AND PROPERTIES OF POLYURETHANE GRAFTED CHLORINATED POLYPROPYLENE AND ITS COMPOSITES** Page Range: p.153-158 Author(s): Wang X; Dong X; Liu D File size: 170K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101060&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The synthesis of graft copolymers of chlorinated polypropylene (CPP) with polyurethane (PU) via the inter-chain polymer reactions between maleated CPP and PU prepolymers derived from poly(oxypropylene)diols and 4,4'-diphenylmethane diisocyanate, with or without diol or diamine extenders and containing free isocyanate groups, under various reaction conditions in the presence of a tertiary amine catalyst is described. The products were characterised by titration (free isocyanate content), FTIR (molecular structure), DSC (glass transition temperature), gloss and adhesive properties of films, and the effects of PU chain extenders on properties are discussed. 20 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterisation-of-polyethylene-clay-nanocomposites-as-a-flame-retardant-materials-using-ultrasonic-technique/ # PREPARATION AND CHARACTERISATION OF POLYETHYLENE/CLAY NANOCOMPOSITES AS A FLAME RETARDANT MATERIALS USING ULTRASONIC TECHNIQUE > Title: PREPARATION AND CHARACTERISATION OF POLYETHYLENE/CLAY NANOCOMPOSITES AS A FLAME RETARDANT MATERIALS USING ULTRASONIC TECHNIQUE Page Range: p.159-166 Author(s): Nour M; Eid A; El-Nagare K; Aziz F A File size: 361K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/preparation-and-characterisation-of-polyethylene-clay-nanocomposites-as-a-flame-retardant-materials-using-ultrasonic-technique/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERISATION OF POLYETHYLENE/CLAY NANOCOMPOSITES AS A FLAME RETARDANT MATERIALS USING ULTRASONIC TECHNIQUE** Page Range: p.159-166 Author(s): Nour M; Eid A; El-Nagare K; Aziz F A File size: 361K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101061&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The preparation by solution blending with sonication of nanocomposites of low density polyethylene with different proportions of montmorillonite clay organically modified with 1,2-dimethyl-3-hexadecylimidazolium bromide, and their characterisation by colour (UV-visible spectroscopy), ultrasonic testing (filler dispersion), TGA (thermal stability), AFM (surface morphology) and cone calorimetry (flammability), is described. The effects of organoclay content on peak heat release rate and flame retardant properties of the nanocomposites are discussed in terms of the formation of a clay-enriched protective char layer during combustion. 22 refs. --- --- Source: https://polymerjournals.com/pressure-transfer-behaviour-of-rubber-mould-and-the-effects-on-consolidation-of-l-shape-composite-laminates/ # PRESSURE TRANSFER BEHAVIOUR OF RUBBER MOULD AND THE EFFECTS ON CONSOLIDATION OF L-SHAPE COMPOSITE LAMINATES > Title: PRESSURE TRANSFER BEHAVIOUR OF RUBBER MOULD AND THE EFFECTS ON CONSOLIDATION OF L-SHAPE COMPOSITE LAMINATES Page Range: p.167-174 Author(s): Gu Y; Li M; Li Y; Zhang Z File size: 303K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/pressure-transfer-behaviour-of-rubber-mould-and-the-effects-on-consolidation-of-l-shape-composite-laminates/ Published: 2010-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PRESSURE TRANSFER BEHAVIOUR OF RUBBER MOULD AND THE EFFECTS ON CONSOLIDATION OF L-SHAPE COMPOSITE LAMINATES** Page Range: p.167-174 Author(s): Gu Y; Li M; Li Y; Zhang Z File size: 303K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-3&JournalID=101062&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.3 **Abstract** The pressure transfer properties of a rubber mould used in an autoclave process were investigated experimentally by measurements of the pressure distribution on the mould surface during processing using a pressure-sensitive paper. The effects of the pressure distribution on the interface between an L-shaped rubber male mould and an aluminium die in an autoclave process on the consolidation of L-shaped carbon fibre-reinforced bismaleimide resin composite laminates were investigated and the results are discussed in terms of defect formation and process control. 16 refs. --- --- Source: https://polymerjournals.com/nucleation-effect-of-thermotropic-liquid-crystalline-polymer-on-the-crystallization-of-polyepsilon-caprolactone/ # NUCLEATION EFFECT OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER ON THE CRYSTALLIZATION OF POLY(epsilon-CAPROLACTONE) > Title: NUCLEATION EFFECT OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER ON THE CRYSTALLIZATION OF POLY(epsilon-CAPROLACTONE) Page Range: p.91-101 Author(s): Defeng Wu; Yisheng Zhang; Ming Zhang; Minge Gao File size: 413K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/nucleation-effect-of-thermotropic-liquid-crystalline-polymer-on-the-crystallization-of-polyepsilon-caprolactone/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUCLEATION EFFECT OF THERMOTROPIC LIQUID CRYSTALLINE POLYMER ON THE CRYSTALLIZATION OF POLY(epsilon-CAPROLACTONE)** Page Range: p.91-101 Author(s): Defeng Wu; Yisheng Zhang; Ming Zhang; Minge Gao File size: 413K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101035&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** A thermotropic liquid crystalline polymer (TLCP, an ethylene terephthalate-hydroxybenzoic acid copolymer) was used as a nucleating agent to improve the crystallisation of poly(epsilon-caprolactone) (PCL). The PCL/TLCP blend with the maximum TLCP content of 10 wt % was prepared by melt mixing. The non-isothermal crystallisation behaviour of the PCL matrix was studied using DSC and polarised optical microscopy, and the crystallisation kinetics were then further analysed by methods including the Avrami, Ozawa, Mo, Ziabicki, Lauritzen-Hoffman and Kissinger models. The results showed that the presence of the solid TLCP particles could enhance crystallisation temperature of the PCL matrix even at very low content (1 wt %). Although the mobility of the PCL chain segments decreased with increasing TLCP content, heterogeneous nucleation by TLCP particles always played a dominant role in the overall crystallisation. The blends therefore showed higher crystallisation rates and ability than those of pure PCL. The kinetic analysis and the data obtained in this study could be useful to optimise the processing conditions and to improve the crystallisation of PCL. 53 refs. --- --- Source: https://polymerjournals.com/solvent-uptake-and-accelerated-solar-aging-studies-of-cotton-polypropylene-commingled-composite-systems/ # SOLVENT UPTAKE AND ACCELERATED SOLAR AGING STUDIES OF COTTON-POLYPROPYLENE COMMINGLED COMPOSITE SYSTEMS > Title: SOLVENT UPTAKE AND ACCELERATED SOLAR AGING STUDIES OF COTTON-POLYPROPYLENE COMMINGLED COMPOSITE SYSTEMS Page Range: p.103-112 Author(s): Tomlal J E; Thomas P C; Jayanarayanan K; Mathew J; Joseph K File size: 371K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/solvent-uptake-and-accelerated-solar-aging-studies-of-cotton-polypropylene-commingled-composite-systems/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SOLVENT UPTAKE AND ACCELERATED SOLAR AGING STUDIES OF COTTON-POLYPROPYLENE COMMINGLED COMPOSITE SYSTEMS** Page Range: p.103-112 Author(s): Tomlal J E; Thomas P C; Jayanarayanan K; Mathew J; Joseph K File size: 371K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101036&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** The solvent absorption of cotton/PP side-by-side commingled composites in different solvents was studied, together with its variation with factors such as chemical treatments, temperature and fibre content, and the extent of tensile property deterioration by solar radiation in a solar light concentrator and by water diffusion. It was observed that, although cotton is highly hydrophilic, the diffusion was a matrix-dominated phenomenon. The extent of moisture absorption increased with the fibre content but decreased on treatment with maleic anhydride-modified PP. The former added a greater number of hydrophilic hydroxyl groups while the latter consumed them and enhanced the fibre-matrix interfacial adhesion. Increase in temperature accelerated the rate of moisture absorption and reduced the time required for equilibrium swelling. Exposure to sunlight in solar concentrator adversely affected the mechanical properties such as tensile strength and tensile modulus by weakening the fibre-matrix interfacial adhesion and by chain scission. 29 refs. --- --- Source: https://polymerjournals.com/effect-of-alumina-trihydrate-and-borax-on-fire-retardancy-and-mechanical-properties-of-high-density-polyethylene-hdpe-compounds/ # EFFECT OF ALUMINA TRIHYDRATE AND BORAX ON FIRE RETARDANCY AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE (HDPE) COMPOUNDS > Title: EFFECT OF ALUMINA TRIHYDRATE AND BORAX ON FIRE RETARDANCY AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE (HDPE) COMPOUNDS Page Range: p.113-122 Author(s): Faghihi J; Morshedian J; Ahmadi S File size: 458K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-alumina-trihydrate-and-borax-on-fire-retardancy-and-mechanical-properties-of-high-density-polyethylene-hdpe-compounds/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF ALUMINA TRIHYDRATE AND BORAX ON FIRE RETARDANCY AND MECHANICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE (HDPE) COMPOUNDS** Page Range: p.113-122 Author(s): Faghihi J; Morshedian J; Ahmadi S File size: 458K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101037&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** The influence of inorganic flame retardants, including alumina trihydrate (ATH) and borax, on the mechanical properties and flammability of HDPE was studied. Results showed that an increase in the amount of flame retardant compounds caused a decrease in TS, ultimate strain and impact resistance. Use of EVA caused an increase in impact resistance compared with other compositions without EVA. Flammability test results showed an improvement in flame retardancy due to using ATH and borax. Composite containing EVA and borax showed better flammability properties compared with composite containing EVA and ATH because EVA as a compatibiliser could increase the stability of the borate component and form a glassy layer on the char, which resulted in an enhancement in the flammability properties. Furthermore, a synergistic effect was observed when ATH and borax were incorporated together. The charred layers provided a good thermal and flame barrier. Morphological, rheological and thermogravimetric analyses supported the idea that the improvement in the flame retardancy was due to charred layers formed by the ignition of inorganic flame retardant and polymeric matrix. 21 refs. --- --- Source: https://polymerjournals.com/an-investigation-of-the-electromagnetic-shielding-effectiveness-of-ethylene-vinyl-acetate-elastomer-reinforced-with-carbon-nanofillers/ # AN INVESTIGATION OF THE ELECTROMAGNETIC SHIELDING EFFECTIVENESS OF ETHYLENE VINYL ACETATE ELASTOMER REINFORCED WITH CARBON NANOFILLERS > Title: AN INVESTIGATION OF THE ELECTROMAGNETIC SHIELDING EFFECTIVENESS OF ETHYLENE VINYL ACETATE ELASTOMER REINFORCED WITH CARBON NANOFILLERS Page Range: p.59-65 Author(s): Ray M; George J J; Chakraborty A; Bhowmick A K File size: 276K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/an-investigation-of-the-electromagnetic-shielding-effectiveness-of-ethylene-vinyl-acetate-elastomer-reinforced-with-carbon-nanofillers/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AN INVESTIGATION OF THE ELECTROMAGNETIC SHIELDING EFFECTIVENESS OF ETHYLENE VINYL ACETATE ELASTOMER REINFORCED WITH CARBON NANOFILLERS** Page Range: p.59-65 Author(s): Ray M; George J J; Chakraborty A; Bhowmick A K File size: 276K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101031&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** An EVA-carbon nanofibre (CNF) nanocomposite was developed and its electromagnetic interference (EMI) shielding effectiveness (SE) was measured in the frequency range of 8-12 GHz. The dependence of SE on the applied electromagnetic frequency and the amount of filler loading was evaluated. The SE of the composites was found to be directly proportional to the applied electromagnetic frequency and the amount of filler. Incorporation of 16 wt % of CNF produced the optimum SE. The AC conductivity of the CNF-reinforced EVA composites was also measured in order to correlate the conductivity values with the SE of the respective composites. The level of filler loading governed the conductive network formation and hence the SE and conductivity. In order to perform a comparative study of SE, three other carbon-based nanofillers, i.e. multiwalled carbon nanotube, expanded graphite and conductive carbon black, were used. Morphological studies using TEM supported various findings. These results indicate that CNF is an effective filler for the development of composites with excellent EMI shielding capability. 21 refs. --- --- Source: https://polymerjournals.com/mechanical-thermal-and-rheological-properties-of-polypropylene-wheat-straw-composites-and-study-of-the-effect-of-nanoclay-on-their-mechanical-properties/ # MECHANICAL, THERMAL AND RHEOLOGICAL PROPERTIES OF POLYPROPYLENE/WHEAT STRAW COMPOSITES AND STUDY OF THE EFFECT OF NANOCLAY ON THEIR MECHANICAL PROPERTIES > Title: MECHANICAL, THERMAL AND RHEOLOGICAL PROPERTIES OF POLYPROPYLENE/WHEAT STRAW COMPOSITES AND STUDY OF THE EFFECT OF NANOCLAY ON THEIR MECHANICAL PROPERTIES Page Range: p.67-73 Author(s): Hashemi S A; Esfandeh M; Mohammadi J File size: 240K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/mechanical-thermal-and-rheological-properties-of-polypropylene-wheat-straw-composites-and-study-of-the-effect-of-nanoclay-on-their-mechanical-properties/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL, THERMAL AND RHEOLOGICAL PROPERTIES OF POLYPROPYLENE/WHEAT STRAW COMPOSITES AND STUDY OF THE EFFECT OF NANOCLAY ON THEIR MECHANICAL PROPERTIES** Page Range: p.67-73 Author(s): Hashemi S A; Esfandeh M; Mohammadi J File size: 240K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101032&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** The possibility of using wheat straw fibres as a reinforcing filler in PP was examined. Untreated and silane-treated fibres having a variety of fibre lengths were used, at various fibre contents, to reinforce PP. Composites were tested for their mechanical, thermal and rheological properties, and the assessment of the adhesion at the interface was made via observations by SEM. The results showed that, for untreated fibres, an increase in fibre content up to 20 wt % led to an increase in the TS of the composite. Beyond this amount, however, TS decreased. On the other hand, the tensile modulus increased due to higher stiffness of the fibres. By using silane-treated fibres, both TS and modulus increased, but the viscosity was reduced because of better dispersion of the treated fibres. On addition of nanoclay, the mechanical properties of the composites, compared with the pure polymer, increased up to a particular fibre content, and after that the trend was reversed. 24 refs. --- --- Source: https://polymerjournals.com/microstructural-studies-of-cement-composites-of-thermoplastics/ # MICROSTRUCTURAL STUDIES OF CEMENT COMPOSITES OF THERMOPLASTICS > Title: MICROSTRUCTURAL STUDIES OF CEMENT COMPOSITES OF THERMOPLASTICS Page Range: p.75-83 Author(s): Nair P S; Thachil E T File size: 367K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No:... Canonical URL: https://polymerjournals.com/microstructural-studies-of-cement-composites-of-thermoplastics/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MICROSTRUCTURAL STUDIES OF CEMENT COMPOSITES OF THERMOPLASTICS** Page Range: p.75-83 Author(s): Nair P S; Thachil E T File size: 367K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101033&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** An attempt was made to explain the morphology and nature of interactions between the cement particles and thermoplastics in polymer-cement composites. All the thermoplastics (PVAl, polyethylene glycol, PVAc, acrylic polymer, acrylic-styrene polymer) were added to the cement paste either as water solutions or emulsions with calcium chloride as an accelerator for hydration of the cement particles. Thermal analysis, soxhlet extraction and SEM were some of the techniques employed to investigate the microstructure. The analysis revealed that the thermoplastics formed a film around the cement particles, thereby preventing the leaching of the water-soluble components which were present in the cement matrix. As the polymers are added to the cement before cement hydration some of the polymers underwent interactions with the cement, resulting in the formation of chemical bonds between the two phases. This resulted in better durability properties when the composites were exposed to polluted chemical environments. 14 refs. --- --- Source: https://polymerjournals.com/purification-of-carbon-nanotubes-and-its-effect-on-the-properties-of-carbon-nanotube-polyaniline-nanocomposites/ # PURIFICATION OF CARBON NANOTUBES AND ITS EFFECT ON THE PROPERTIES OF CARBON NANOTUBE/POLYANILINE NANOCOMPOSITES > Title: PURIFICATION OF CARBON NANOTUBES AND ITS EFFECT ON THE PROPERTIES OF CARBON NANOTUBE/POLYANILINE NANOCOMPOSITES Page Range: p.85-90 Author(s): Dongyu Zhao; Kai Su; Xuemei Gao; Xiangdong Liu; Yunfei Meng; Weishu Yuan File size: 230K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/purification-of-carbon-nanotubes-and-its-effect-on-the-properties-of-carbon-nanotube-polyaniline-nanocomposites/ Published: 2010-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PURIFICATION OF CARBON NANOTUBES AND ITS EFFECT ON THE PROPERTIES OF CARBON NANOTUBE/POLYANILINE NANOCOMPOSITES** Page Range: p.85-90 Author(s): Dongyu Zhao; Kai Su; Xuemei Gao; Xiangdong Liu; Yunfei Meng; Weishu Yuan File size: 230K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-2&JournalID=101034&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.2 **Abstract** Multi-walled carbon nanotubes were purified by use of mixed acid (nitric and sulphuric acids). The multi-walled carbon nanotubes/polyaniline composite (MWCNTs/PANI) was prepared by in-situ polymerisation using aniline monomer and nanotubes in HCl solution. The content of MWCNTs in the samples was 0 to 20 wt %. The composites were characterised with respect to their structure, morphology, conductivity, mechanical properties and other properties. The results showed that the MWCNTs were well dispersed in water after purification. The interaction between PANI and MWCNTs was proved by FTIR spectrometry. The conductivity and the TS of the MWCNTs/PANI were markedly improved after purification. 23 refs. --- --- Source: https://polymerjournals.com/tracing-the-void-content-development-and-identification-of-its-effecting-parameters-during-in-situ-consolidation-of-thermoplastic-tape-material/ # TRACING THE VOID CONTENT DEVELOPMENT AND IDENTIFICATION OF ITS EFFECTING PARAMETERS DURING IN SITU CONSOLIDATION OF THERMOPLASTIC TAPE MATERIAL > Title: TRACING THE VOID CONTENT DEVELOPMENT AND IDENTIFICATION OF ITS EFFECTING PARAMETERS DURING IN SITU CONSOLIDATION OF THERMOPLASTIC TAPE MATERIAL Page Range: p.1-15 Author(s): Khan M A; Mitschang P; Schledjewski R File size: 871K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/tracing-the-void-content-development-and-identification-of-its-effecting-parameters-during-in-situ-consolidation-of-thermoplastic-tape-material/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TRACING THE VOID CONTENT DEVELOPMENT AND IDENTIFICATION OF ITS EFFECTING PARAMETERS DURING IN SITU CONSOLIDATION OF THERMOPLASTIC TAPE MATERIAL** Page Range: p.1-15 Author(s): Khan M A; Mitschang P; Schledjewski R File size: 871K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100987&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The development of a simulation tool based on an existing model published in the literature to investigate the effects of consolidation force, processing speed, hot gas flow and repetitive passes on void content development during manufacture of fibre-reinforced thermoplastic composite laminate tapes is described. Experimental data for void distribution through thickness and density of carbon fibre-reinforced poly(etheretherketone) laminated plates manufactured by automatic tape placement process are discussed in comparison with the results of simulations using the model and the most significant processing parameters are identified. 16 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-chloroprene-rubber-cr-clay-nanocomposites/ # PREPARATION AND PROPERTIES OF CHLOROPRENE RUBBER (CR)/CLAY NANOCOMPOSITES > Title: PREPARATION AND PROPERTIES OF CHLOROPRENE RUBBER (CR)/CLAY NANOCOMPOSITES Page Range: p.17-21 Author(s): Cheng Y-Y; Yen Y-Y; Kao P-H; Lu N; Wang H-T File size: 166K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-chloroprene-rubber-cr-clay-nanocomposites/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF CHLOROPRENE RUBBER (CR)/CLAY NANOCOMPOSITES** Page Range: p.17-21 Author(s): Cheng Y-Y; Yen Y-Y; Kao P-H; Lu N; Wang H-T File size: 166K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100988&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The preparation by melt intercalation followed by curing and compression moulding of nanocomposites of chloroprene rubber with various proportions of sodium montmorillonite clay nanoparticles and an ammonium salt as organic modifier, and their characterisation by SAXS, TEM, TGA, DMA, and tensile testing, is described. The effects of filler and modifier contents on mechanical and thermal properties of the nanocomposites were investigated and the results are discussed in terms of filler dispersion and exfoliation. 10 refs. --- --- Source: https://polymerjournals.com/polyaniline-graphite-nanosheets-composites-and-its-conducting-properties/ # POLYANILINE/GRAPHITE NANOSHEETS COMPOSITES AND ITS CONDUCTING PROPERTIES > Title: POLYANILINE/GRAPHITE NANOSHEETS COMPOSITES AND ITS CONDUCTING PROPERTIES Page Range: p.23-29 Author(s): Wu X; Qi S; He J; Duan G File size: 290K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18... Canonical URL: https://polymerjournals.com/polyaniline-graphite-nanosheets-composites-and-its-conducting-properties/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYANILINE/GRAPHITE NANOSHEETS COMPOSITES AND ITS CONDUCTING PROPERTIES** Page Range: p.23-29 Author(s): Wu X; Qi S; He J; Duan G File size: 290K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100989&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The synthesis of a nanocomposite of polyaniline and graphite nanosheets via in situ oxidative polymerisation of aniline with ammonium persulphate as oxidising agent in the presence of hydrochloric acid, and its characterisation by electrical conductivity, SEM and TEM, is described. The morphology and electrical properties of the nanocomposite are discussed in comparison with those obtained for composites of polyaniline with natural graphite flakes and with expanded graphite prepared by analogous methods in terms of the formation of a conducting network in the nanocomposite. 27 refs. --- --- Source: https://polymerjournals.com/surface-and-composite-interface-of-carbon-fibre-modified-by-pre-irradiation/ # SURFACE AND COMPOSITE INTERFACE OF CARBON FIBRE MODIFIED BY PRE-IRRADIATION > Title: SURFACE AND COMPOSITE INTERFACE OF CARBON FIBRE MODIFIED BY PRE-IRRADIATION Page Range: p.31-35 Author(s): Xu Z; Chen L; Liu L; Chen G; Wu X File size: 203K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/surface-and-composite-interface-of-carbon-fibre-modified-by-pre-irradiation/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SURFACE AND COMPOSITE INTERFACE OF CARBON FIBRE MODIFIED BY PRE-IRRADIATION** Page Range: p.31-35 Author(s): Xu Z; Chen L; Liu L; Chen G; Wu X File size: 203K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100990&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The surface modification of carbon fibres by gamma-irradiation at different dose levels followed by grafting with chloroepoxypropane, and characterisation of the fibres by SEM (surface morphology), dynamic contact angle analysis (surface free energy) and single fibre tensile testing before and after surface treatment, is described. The effects of irradiation dose on the interlaminar shear strength of composites of diglycidyl ether of bisphenol A-based epoxy resin with the modified fibres were investigated by short-beam flexural testing, and the results are discussed in terms of interfacial adhesion and the formation of covalent bonds between fibres and grafting agent. 18 refs. --- --- Source: https://polymerjournals.com/influence-of-compatibiliser-and-wood-flour-on-the-non-isothermal-crystallisation-behaviour-of-polypropylene-composites/ # INFLUENCE OF COMPATIBILISER AND WOOD FLOUR ON THE NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE COMPOSITES > Title: INFLUENCE OF COMPATIBILISER AND WOOD FLOUR ON THE NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE COMPOSITES Page Range: p.37-44 Author(s): Guo C; Ma L; Wang Q File size: 282K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/influence-of-compatibiliser-and-wood-flour-on-the-non-isothermal-crystallisation-behaviour-of-polypropylene-composites/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF COMPATIBILISER AND WOOD FLOUR ON THE NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE COMPOSITES** Page Range: p.37-44 Author(s): Guo C; Ma L; Wang Q File size: 282K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100991&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The effects of compatibiliser and wood flour on the non-isothermal crystallisation behaviour and crystalline morphology of composites of polypropylene and wood flour with or without the addition of m-isopropenyl-alpha,alpha-dimethylbenzyl isocyanate-grafted polypropylene as compatibiliser were investigated by DSC and polarised optical microscopy, and the results are discussed in terms of nucleation. Avrami analysis of the non-isothermal crystallisation kinetics was performed and the activation energy was calculated by the Kissinger method. 33 refs. --- --- Source: https://polymerjournals.com/effect-of-molecular-weight-and-its-distribution-on-the-crystalline-morphology-of-polypropylene-materials/ # EFFECT OF MOLECULAR WEIGHT AND ITS DISTRIBUTION ON THE CRYSTALLINE MORPHOLOGY OF POLYPROPYLENE MATERIALS > Title: EFFECT OF MOLECULAR WEIGHT AND ITS DISTRIBUTION ON THE CRYSTALLINE MORPHOLOGY OF POLYPROPYLENE MATERIALS Page Range: p.45-51 Author(s): Lei H; Xu T; Gao C T File size: 264K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effect-of-molecular-weight-and-its-distribution-on-the-crystalline-morphology-of-polypropylene-materials/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF MOLECULAR WEIGHT AND ITS DISTRIBUTION ON THE CRYSTALLINE MORPHOLOGY OF POLYPROPYLENE MATERIALS** Page Range: p.45-51 Author(s): Lei H; Xu T; Gao C T File size: 264K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100992&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The effects of number-average molecular weight, weight-average molecular weight, and molecular weight distribution on the crystalline morphology of polypropylene were investigated by GPC (molecular weight and molecular weight distribution), XRD (crystallinity) and optical microscopy (crystalline morphology). The experimental data were subjected to statistical analysis and the results are discussed in terms of a linear relationship between the crystalline morphology parameters, crystallinity, number-average spherulite size, spherulite distribution width coefficient and the molecular weight distribution. 17 refs. --- --- Source: https://polymerjournals.com/ionically-conducting-polymers-based-on-ionic-liquid-plasticized-starch-containing-lithium-chloride/ # IONICALLY CONDUCTING POLYMERS BASED ON IONIC LIQUID-PLASTICIZED STARCH CONTAINING LITHIUM CHLORIDE > Title: IONICALLY CONDUCTING POLYMERS BASED ON IONIC LIQUID-PLASTICIZED STARCH CONTAINING LITHIUM CHLORIDE Page Range: p.53-58 Author(s): Wang N; Zhang X; Liu H; Han N File size: 204K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/ionically-conducting-polymers-based-on-ionic-liquid-plasticized-starch-containing-lithium-chloride/ Published: 2010-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IONICALLY CONDUCTING POLYMERS BASED ON IONIC LIQUID-PLASTICIZED STARCH CONTAINING LITHIUM CHLORIDE** Page Range: p.53-58 Author(s): Wang N; Zhang X; Liu H; Han N File size: 204K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc18-1&JournalID=100993&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 18 Issue No: No.1 **Abstract** The preparation of cast films of ionically-conducting thermoplastic starch plasticised with the ionic liquid 1-allyl-3-methylimidazolium chloride with various concentrations of lithium chloride, and their characterisation by AFM, FTIR, TGA, DMTA, water absorption and volume resistivity measurements in comparison with those obtained for glycerol-plasticised starch is described. The effects of lithium chloride concentration on plasticisation, thermal stability, water absorption and electrical conductivity of the thermoplastic starch were investigated and the results are discussed in terms of potential applications as solid biopolymer electrolytes. 12 refs. --- --- Source: https://polymerjournals.com/manufacturing-and-recycling-of-sisal-polypropylene-composites/ # MANUFACTURING AND RECYCLING OF SISAL-POLYPROPYLENE COMPOSITES > Title: MANUFACTURING AND RECYCLING OF SISAL-POLYPROPYLENE COMPOSITES Page Range: p.467-479 Author(s): Rao S; Bhattacharyya D; Jayaraman K; Fernyhough A File size: 277K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue... Canonical URL: https://polymerjournals.com/manufacturing-and-recycling-of-sisal-polypropylene-composites/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MANUFACTURING AND RECYCLING OF SISAL-POLYPROPYLENE COMPOSITES** Page Range: p.467-479 Author(s): Rao S; Bhattacharyya D; Jayaraman K; Fernyhough A File size: 277K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100963&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** Sisal-PP composite sheets were manufactured using a 3-factor two-level experimental design based on the Taguchi method to maximise the mechanical properties of the composites. The composite sheets were mechanically recycled by pelletising the sheets and feeding through an extruder and the effects of recycling on the crystallinity, fibre length, mechanical properties (tensile modulus, tensile strength, and impact strength) and stress relaxation of the recycled sheets investigated and compared with those of the unrecycled composite sheets. 21 refs. --- --- Source: https://polymerjournals.com/effects-of-surface-treatment-of-ground-rice-husk-on-the-polyurethane-based-on-castor-oil/ # EFFECTS OF SURFACE TREATMENT OF GROUND RICE HUSK ON THE POLYURETHANE BASED ON CASTOR OIL > Title: EFFECTS OF SURFACE TREATMENT OF GROUND RICE HUSK ON THE POLYURETHANE BASED ON CASTOR OIL Page Range: p.481-485 Author(s): Sherif S A; Sadek M A; Ashour F H; Bassyouni M File size: 180K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effects-of-surface-treatment-of-ground-rice-husk-on-the-polyurethane-based-on-castor-oil/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF SURFACE TREATMENT OF GROUND RICE HUSK ON THE POLYURETHANE BASED ON CASTOR OIL** Page Range: p.481-485 Author(s): Sherif S A; Sadek M A; Ashour F H; Bassyouni M File size: 180K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100964&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** A PU elastomer based on castor oil and polymeric MDI with a NCO/OH ratio of 2 was synthesised and mixed with untreated and treated rice husk having an average particle size of less than 200 micrometers. The treated rice husk was obtained by pretreatment with steam and sodium hydroxide solution and the effects of the pretreated rice on the properties of the composites investigated. The dispersion and fracture surfaces of the composites were examined by scanning electron microscopy and composite properties determined by hardness measurements, TGA and differential scanning calorimetry. Composites containing steam-treated rice husks possessed enhanced interfacial adhesion and were considered good candidates for parquet flooring, shoe heels and sports surfaces. 7 refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-injection-moulded-jute-glass-fibre-hybrid-composites/ # MECHANICAL PROPERTIES OF INJECTION-MOULDED JUTE/GLASS FIBRE HYBRID COMPOSITES > Title: MECHANICAL PROPERTIES OF INJECTION-MOULDED JUTE/GLASS FIBRE HYBRID COMPOSITES Page Range: p.487-493 Author(s): Ohta T; Takai Y; Yew Wei Leong; Hamada H File size: 454K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/mechanical-properties-of-injection-moulded-jute-glass-fibre-hybrid-composites/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES OF INJECTION-MOULDED JUTE/GLASS FIBRE HYBRID COMPOSITES** Page Range: p.487-493 Author(s): Ohta T; Takai Y; Yew Wei Leong; Hamada H File size: 454K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100965&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** Long glass and jute fibres were simultaneously incorporated into a PP matrix and the tensile and impact properties of the hybrid composites obtained investigated. Fracture surfaces were characterised by scanning electron microscopy and the properties of the hybrid composites compared with those of composites reinforced with glass fibres only. It was found that composites containing up to 20 wt.% jute fibres exhibited similar tensile properties to those of glass fibre-reinforced composites. The distribution of glass and jute fibres was anisotropic, wherein glass fibres tended to accumulate at the skin region of mouldings, thus orientating towards the resin flow direction. Jute fibres tended to remain at the core regions and were mostly oriented transverse to the flow direction. 11 refs. --- --- Source: https://polymerjournals.com/diffusion-of-the-curing-agent-through-two-epdm-rubber-sheets-with-different-peroxide-during-their-simultaneous-cure/ # DIFFUSION OF THE CURING AGENT THROUGH TWO EPDM RUBBER SHEETS WITH DIFFERENT % PEROXIDE DURING THEIR SIMULTANEOUS CURE > Title: DIFFUSION OF THE CURING AGENT THROUGH TWO EPDM RUBBER SHEETS WITH DIFFERENT % PEROXIDE DURING THEIR SIMULTANEOUS CURE Page Range: p.495-504 Author(s): El Brouzi A; Granger R; Vergnaud J M File size: 423K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/diffusion-of-the-curing-agent-through-two-epdm-rubber-sheets-with-different-peroxide-during-their-simultaneous-cure/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DIFFUSION OF THE CURING AGENT THROUGH TWO EPDM RUBBER SHEETS WITH DIFFERENT % PEROXIDE DURING THEIR SIMULTANEOUS CURE** Page Range: p.495-504 Author(s): El Brouzi A; Granger R; Vergnaud J M File size: 423K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100966&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** An investigation was carried out into the diffusion of a peroxide (Perkadox 14-40) through two EPDM sheets (one containing 2% and the other 10% peroxide), pressed together and cured in a heated mould kept at 187 degrees Centigrade. The results obtained are discussed in terms of a gradient of hardness through the thickness of the sheets, the swelling behaviour of the sheets in toluene and the resistance to liquid and swelling of the bi-layer rubber system. Modelling of the process of absorption and evaporation was also performed, explaining torsion of the bi-layer sheet observed during absorption and its stability. This transfer of curing agent during curing is applicable to the retreading of truck tyres with a new rubber band. 19 refs. --- --- Source: https://polymerjournals.com/characterization-of-polyamide-6-superfine-silk-powder-blend-films/ # CHARACTERIZATION OF POLYAMIDE 6/SUPERFINE SILK POWDER BLEND FILMS > Title: CHARACTERIZATION OF POLYAMIDE 6/SUPERFINE SILK POWDER BLEND FILMS Page Range: p.505-511 Author(s): Xin Liu; Weilin Xu; Wenbin Li File size: 296K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue... Canonical URL: https://polymerjournals.com/characterization-of-polyamide-6-superfine-silk-powder-blend-films/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION OF POLYAMIDE 6/SUPERFINE SILK POWDER BLEND FILMS** Page Range: p.505-511 Author(s): Xin Liu; Weilin Xu; Wenbin Li File size: 296K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100967&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** Superfine silk powder was blended with polyamide-6 and the blends extruded and hot pressed into films. The dyeing and mechanical properties of the blend films were investigated and the interfacial adhesion and microstructure of the blend films studied by various methods, including scanning electron microscopy. The blends were found to be compatible and their dyeability dependent on silk powder content. Mechanical properties of the blend films decreased compared with those of polyamide-6 film and addition of silk powder favoured the formation of gamma-monoclinic crystals of polyamide-6 in the films, as observed by ATR FTIR spectroscopy and wide angle X-ray diffraction. 25 refs. --- --- Source: https://polymerjournals.com/effect-of-intertube-adhesion-on-mechanical-properties-of-tubular-cell-polypropylene-honeycombs/ # EFFECT OF INTERTUBE ADHESION ON MECHANICAL PROPERTIES OF TUBULAR CELL POLYPROPYLENE HONEYCOMBS > Title: EFFECT OF INTERTUBE ADHESION ON MECHANICAL PROPERTIES OF TUBULAR CELL POLYPROPYLENE HONEYCOMBS Page Range: p.513-519 Author(s): Rahimi H; Khalili V; Ghoreishy M H R; Rezadoust A M; Esfandeh M File size: 369K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/effect-of-intertube-adhesion-on-mechanical-properties-of-tubular-cell-polypropylene-honeycombs/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF INTERTUBE ADHESION ON MECHANICAL PROPERTIES OF TUBULAR CELL POLYPROPYLENE HONEYCOMBS** Page Range: p.513-519 Author(s): Rahimi H; Khalili V; Ghoreishy M H R; Rezadoust A M; Esfandeh M File size: 369K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100968&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** An investigation was carried out into the effect of the level of adhesion between PP tubes on the mechanical properties of honeycomb sandwich panels fabricated from PP, epoxy adhesive and plywood. The adhesion level of the honeycomb core was varied by altering the duration of corona surface treatment of the PP tubes and the influence of surface treatment on adhesion studied by contact angle measurements. Core delamination, compression and flexural tests were also performed on the sandwich structures, which revealed that the mechanical properties of the sandwich panels improved with increasing adhesion strength between the PP tubes. 13 refs. --- --- Source: https://polymerjournals.com/preparation-characterisation-and-mechanical-properties-of-environmentally-friendly-waterborne-polyurethane-and-polyurethane-acrylate/ # PREPARATION, CHARACTERISATION AND MECHANICAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY WATERBORNE POLYURETHANE AND POLYURETHANE-ACRYLATE > Title: PREPARATION, CHARACTERISATION AND MECHANICAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY WATERBORNE POLYURETHANE AND POLYURETHANE-ACRYLATE Page Range: p.521-527 Author(s): Fengxian Qiu; Jingli Zhang; Dongmei Wu; Qinqin Zhang; Dongya Yang File size: 283K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/preparation-characterisation-and-mechanical-properties-of-environmentally-friendly-waterborne-polyurethane-and-polyurethane-acrylate/ Published: 2009-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION, CHARACTERISATION AND MECHANICAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY WATERBORNE POLYURETHANE AND POLYURETHANE-ACRYLATE** Page Range: p.521-527 Author(s): Fengxian Qiu; Jingli Zhang; Dongmei Wu; Qinqin Zhang; Dongya Yang File size: 283K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-8&JournalID=100969&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.8 **Abstract** Environmentally friendly, water-borne PU was prepared from a polyester polyol, isophorone diisocyanate and dimethylol propionic acid and polyurethane-acrylate dispersions were obtained from different proportions of butyl acrylate and methyl acrylate by an in-situ dispersion technique. The structures, optical transparency, physical properties, mechanical properties and heat stabilities of the PU and polyurethane-acrylate dispersions and films prepared therefrom were investigated and compared. The polyurethane-acrylates were found to possess better transparency, higher tensile strength and lower elongation at break and were considered potential candidates for coatings, leather finishing, adhesives, sealants, plastics coating and wood finishes. 10 refs. --- --- Source: https://polymerjournals.com/hydrophobicity-enhancement-of-cellulose-based-material-via-heterogeneous-surface-acetylation/ # HYDROPHOBICITY ENHANCEMENT OF CELLULOSE-BASED MATERIAL VIA HETEROGENEOUS SURFACE ACETYLATION > Title: HYDROPHOBICITY ENHANCEMENT OF CELLULOSE-BASED MATERIAL VIA HETEROGENEOUS SURFACE ACETYLATION Page Range: p.397-402 Author(s): Zheng Zeng; Wentan Ren; Chi Xu; Weiqiang Lu; Yong Zhang; Yinxi Zhang File size: 289K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/hydrophobicity-enhancement-of-cellulose-based-material-via-heterogeneous-surface-acetylation/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HYDROPHOBICITY ENHANCEMENT OF CELLULOSE-BASED MATERIAL VIA HETEROGENEOUS SURFACE ACETYLATION** Page Range: p.397-402 Author(s): Zheng Zeng; Wentan Ren; Chi Xu; Weiqiang Lu; Yong Zhang; Yinxi Zhang File size: 289K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100921&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** Cotton fibre was subjected to heterogeneous surface acetylation with acetic anhydride in an oil bath at 130 degrees C using Na"2CO"3 as a catalyst to enhance reactivity. The effect of reaction time on fibre acetylation was investigated by determination of ester content of the acetylated fibres, ATR FTIR spectroscopy, X-ray diffraction, static and dynamic contact angle measurements and field emission scanning electron microscopy. 26 refs. --- --- Source: https://polymerjournals.com/studies-on-oxalic-acid-as-a-crosslinker-of-polyvinyl-alcohol/ # STUDIES ON OXALIC ACID AS A CROSSLINKER OF POLYVINYL ALCOHOL > Title: STUDIES ON OXALIC ACID AS A CROSSLINKER OF POLYVINYL ALCOHOL Page Range: p.403-410 Author(s): Gohil J M; Ray P File size: 266K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17... Canonical URL: https://polymerjournals.com/studies-on-oxalic-acid-as-a-crosslinker-of-polyvinyl-alcohol/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDIES ON OXALIC ACID AS A CROSSLINKER OF POLYVINYL ALCOHOL** Page Range: p.403-410 Author(s): Gohil J M; Ray P File size: 266K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100922&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** The suitability of oxalic acid as a crosslinking agent for PVAl was investigated. Curing was carried out at temperatures from 100 to 140 degrees C over a range of time periods and oxalic acid concentration was varied from 3 to 70 percent. Optimum curative dose and curing conditions were evaluated by systematic swelling measurements in hot and cold water. Crosslinked PVAl films were characterised by FTIR spectroscopy to identify the nature of functional groups therein and the heat stability and phase morphology of the films investigated. 28 refs. --- --- Source: https://polymerjournals.com/ftir-spectroscopy-a-useful-tool-for-structural-determination-of-polyaniline-and-its-nanocomposites/ # FTIR SPECTROSCOPY: A USEFUL TOOL FOR STRUCTURAL DETERMINATION OF POLYANILINE AND ITS NANOCOMPOSITES > Title: FTIR SPECTROSCOPY: A USEFUL TOOL FOR STRUCTURAL DETERMINATION OF POLYANILINE AND ITS NANOCOMPOSITES Page Range: p.411-421 Author(s): Arasi A Y; Jeyakumari J L; Sundaresan B; Dhanalakshmi V; Anbarasan R File size: 444K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/ftir-spectroscopy-a-useful-tool-for-structural-determination-of-polyaniline-and-its-nanocomposites/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FTIR SPECTROSCOPY: A USEFUL TOOL FOR STRUCTURAL DETERMINATION OF POLYANILINE AND ITS NANOCOMPOSITES** Page Range: p.411-421 Author(s): Arasi A Y; Jeyakumari J L; Sundaresan B; Dhanalakshmi V; Anbarasan R File size: 444K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100923&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** Polyaniline/As"2O"3 nanocomposites were synthesised by in-situ polymerisation in the presence of two initiators (potassium chromate and ammonium peroxodisulphate). Kinetics of polyaniline formation was followed by FTIR spectroscopy and the ratio of imino and amino units estimated and correlated with polyaniline structure. Polymerisation rates were determined by a gravimetric method and the heat stability, structure and electrical conductivity of the nanocomposites investigated by TGA, high resolution TEM and conductivity measurements, respectively. 36 refs. --- --- Source: https://polymerjournals.com/utilisation-of-potato-leaves-and-organophilic-montmorillonite-for-the-preparation-of-superabsorbent-composite-under-microwave-irradiation/ # UTILISATION OF POTATO LEAVES AND ORGANOPHILIC MONTMORILLONITE FOR THE PREPARATION OF SUPERABSORBENT COMPOSITE UNDER MICROWAVE IRRADIATION > Title: UTILISATION OF POTATO LEAVES AND ORGANOPHILIC MONTMORILLONITE FOR THE PREPARATION OF SUPERABSORBENT COMPOSITE UNDER MICROWAVE IRRADIATION Page Range: p.423-430 Author(s): Yun-Pu Wang; Yan Liang; Jiu-Cun Chen; Xiao-Dong Yan; Cheng-Lin Li; Xi-Ping Wang File size: 183K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/utilisation-of-potato-leaves-and-organophilic-montmorillonite-for-the-preparation-of-superabsorbent-composite-under-microwave-irradiation/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: UTILISATION OF POTATO LEAVES AND ORGANOPHILIC MONTMORILLONITE FOR THE PREPARATION OF SUPERABSORBENT COMPOSITE UNDER MICROWAVE IRRADIATION** Page Range: p.423-430 Author(s): Yun-Pu Wang; Yan Liang; Jiu-Cun Chen; Xiao-Dong Yan; Cheng-Lin Li; Xi-Ping Wang File size: 183K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100924&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** A novel superabsorbent composite from waste potato leaves, organophilic montmorillonite, acrylic acid and acrylamide was produced by microwave irradiation using potassium persulphate as polymerisation initiator and N,N'-methylene bisacrylamide as crosslinker. Polymerisation conditions were investigated by orthogonal tests and optimum reaction conditions established. The superabsorbent composite was characterised by FTIR spectroscopy, X-ray diffraction and TGA and the effects of monomer to potato leaf ratio and montmorillonite content on composite water absorbency evaluated. 28 refs. --- --- Source: https://polymerjournals.com/physical-properties-of-polydimethylsiloxane-containing-elastomers-and-their-electrospun-nanofibre-mats/ # PHYSICAL PROPERTIES OF POLYDIMETHYLSILOXANE-CONTAINING ELASTOMERS AND THEIR ELECTROSPUN NANOFIBRE MATS > Title: PHYSICAL PROPERTIES OF POLYDIMETHYLSILOXANE-CONTAINING ELASTOMERS AND THEIR ELECTROSPUN NANOFIBRE MATS Page Range: p.431-441 Author(s): Chai W L; Shu Y C; Tseng W C; Chen C C; Jang S C; Chow J D; Chuang F S; Lin M F File size: 621K... Canonical URL: https://polymerjournals.com/physical-properties-of-polydimethylsiloxane-containing-elastomers-and-their-electrospun-nanofibre-mats/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHYSICAL PROPERTIES OF POLYDIMETHYLSILOXANE-CONTAINING ELASTOMERS AND THEIR ELECTROSPUN NANOFIBRE MATS** Page Range: p.431-441 Author(s): Chai W L; Shu Y C; Tseng W C; Chen C C; Jang S C; Chow J D; Chuang F S; Lin M F File size: 621K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100925&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** A series of PDMS-containing elastomers was synthesised from MDI, 1,4-butanediol and PDMS by a one-step procedure and the thermal degradation behaviour and tensile properties of the elastomers investigated. Nanostructured fibre mats were electrospun from the PDMS-containing elastomers by electrospinning and the effects of solution concentration and voltage on the morphology of the fibre mats studied by scanning electron microscopy. 27 refs. --- --- Source: https://polymerjournals.com/development-and-evaluation-of-a-dynamic-mould-temperature-control-system-with-electric-heating-for-variotherm-injection-moulding/ # DEVELOPMENT AND EVALUATION OF A DYNAMIC MOULD TEMPERATURE CONTROL SYSTEM WITH ELECTRIC HEATING FOR VARIOTHERM INJECTION MOULDING > Title: DEVELOPMENT AND EVALUATION OF A DYNAMIC MOULD TEMPERATURE CONTROL SYSTEM WITH ELECTRIC HEATING FOR VARIOTHERM INJECTION MOULDING Page Range: p.443-455 Author(s): Wang Guilong; Zhao Guoqun; Liu Jitao; Li Huiping File size: 702K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/development-and-evaluation-of-a-dynamic-mould-temperature-control-system-with-electric-heating-for-variotherm-injection-moulding/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEVELOPMENT AND EVALUATION OF A DYNAMIC MOULD TEMPERATURE CONTROL SYSTEM WITH ELECTRIC HEATING FOR VARIOTHERM INJECTION MOULDING** Page Range: p.443-455 Author(s): Wang Guilong; Zhao Guoqun; Liu Jitao; Li Huiping File size: 702K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100926&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** A new variotherm injection moulding process in which electric heating and water cooling are used to dynamically change the temperature of the mould is reported. The feasibility and temperature response of the system are evaluated through numerical simulation and the simulation results used in the design of a mould for a 32-inch liquid crystal display panel. A variotherm injection moulding line is constructed to verify the simulation results and to examine the effect of the new variotherm injection moulding technology on part quality. 21 refs. --- --- Source: https://polymerjournals.com/incorporation-of-silica-nanospherical-particles-in-epoxy-amine-crosslinked-materials-ii-dynamic-mechanical-measurements-of-epoxy-matrix-silica-nanocomposites/ # INCORPORATION OF SILICA NANOSPHERICAL PARTICLES IN EPOXY-AMINE CROSSLINKED MATERIALS II. DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES > Title: INCORPORATION OF SILICA NANOSPHERICAL PARTICLES IN EPOXY-AMINE CROSSLINKED MATERIALS II. DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES Page Range: p.457-465 Author(s): Leon L M; Laza J M; Torrens F; Puchol V; Abad C; Campos A File size: 413K Download the pdf... Canonical URL: https://polymerjournals.com/incorporation-of-silica-nanospherical-particles-in-epoxy-amine-crosslinked-materials-ii-dynamic-mechanical-measurements-of-epoxy-matrix-silica-nanocomposites/ Published: 2009-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INCORPORATION OF SILICA NANOSPHERICAL PARTICLES IN EPOXY-AMINE CROSSLINKED MATERIALS II. DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES** Page Range: p.457-465 Author(s): Leon L M; Laza J M; Torrens F; Puchol V; Abad C; Campos A File size: 413K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-7&JournalID=100927&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.7 **Abstract** The mechanical properties of epoxy composites reinforced with unfunctionalised silica nanospheres or silica nanospheres functionalised with amine or epoxy groups were investigated by dynamic mechanical analysis. The effect of silica content on the mechanical strength of the composites was examined and the mechanical properties of the composites containing the functionalised and unfunctionalised silica nanospheres compared. 35 refs. --- --- Source: https://polymerjournals.com/surface-functionalisation-of-polyester-nonwoven-fabrics-by-sputter-coating-of-titanium-dioxide/ # SURFACE FUNCTIONALISATION OF POLYESTER NONWOVEN FABRICS BY SPUTTER COATING OF TITANIUM DIOXIDE > Title: SURFACE FUNCTIONALISATION OF POLYESTER NONWOVEN FABRICS BY SPUTTER COATING OF TITANIUM DIOXIDE Page Range: p.347-351 Author(s): Yang Xu; Ning Wu; Qufu Wei; Libo Chu File size: 298K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/surface-functionalisation-of-polyester-nonwoven-fabrics-by-sputter-coating-of-titanium-dioxide/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SURFACE FUNCTIONALISATION OF POLYESTER NONWOVEN FABRICS BY SPUTTER COATING OF TITANIUM DIOXIDE** Page Range: p.347-351 Author(s): Yang Xu; Ning Wu; Qufu Wei; Libo Chu File size: 298K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100882&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** Direct current reactive magnetron sputtering was used to deposit functional titanium dioxide films onto polyester nonwoven fabrics, and the topography and chemical compositions of the coated fabrics were investigated using atomic force microscopy, scanning electron microscopy and X-ray photoelectron spectroscopy. Morphology of polyester fibres was seen to have been significantly modified by the sputtering process, and adhesion of the titanium dioxide films to the substrate was satisfactory. Ultraviolet absorption and antistatic properties of the fabrics were significantly improved by the process. 12 refs. --- --- Source: https://polymerjournals.com/characterisation-of-hydroxyapatite-bacterial-cellulose-nanocomposites/ # CHARACTERISATION OF HYDROXYAPATITE/BACTERIAL CELLULOSE NANOCOMPOSITES > Title: CHARACTERISATION OF HYDROXYAPATITE/BACTERIAL CELLULOSE NANOCOMPOSITES Page Range: p.353-358 Author(s): Shengnan Zhang; Guangyao Xiong; Fang He; Yuan Huang; Yulin Wang; Yizao Wan File size: 173K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/characterisation-of-hydroxyapatite-bacterial-cellulose-nanocomposites/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERISATION OF HYDROXYAPATITE/BACTERIAL CELLULOSE NANOCOMPOSITES** Page Range: p.353-358 Author(s): Shengnan Zhang; Guangyao Xiong; Fang He; Yuan Huang; Yulin Wang; Yizao Wan File size: 173K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100883&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** A biomimetic route was used and described to prepare a composite of hydroxyapatite (HAP) deposited on a phosphorylated bacterial cellulose (BC). The composite was examined using X-ray photoelectron spectroscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, differential scanning calorimetry and thermogravimetric analysis. It was shown that thermal stability of the composite was better than the original BC and that the HAP crystals wrap the surfaces of the BC fibres. Weight loss under thermogravimetric analysis conditions was in three stages, similar to natural bone. 21 refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterisation-of-polyaniline-montmorillonite-nanocomposites/ # SYNTHESIS AND CHARACTERISATION OF POLYANILINE/MONTMORILLONITE NANOCOMPOSITES > Title: SYNTHESIS AND CHARACTERISATION OF POLYANILINE/MONTMORILLONITE NANOCOMPOSITES Page Range: p.359-363 Author(s): Shakoor A; Rizvi T Z; Foot P J S File size: 222K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17... Canonical URL: https://polymerjournals.com/synthesis-and-characterisation-of-polyaniline-montmorillonite-nanocomposites/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERISATION OF POLYANILINE/MONTMORILLONITE NANOCOMPOSITES** Page Range: p.359-363 Author(s): Shakoor A; Rizvi T Z; Foot P J S File size: 222K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100884&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** Oxidative polymerisation of aniline using solution polymerisation with an aniline/ammonium persulphate ratio of 2:1 in the presence of a montmorillonite clay resulted in the formation of a nanocomposite. The composites were characterised using X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy and it was observed that the polyaniline was largely incorporated into the clay. Electrical conductivity of the nanocomposites was investigated and was found to follow a temperature dependence relationship that was associated with one-dimensional variable-range hopping. 21 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterisation-of-phase-change-material-loaded-polyurea-microcapsules-several-hundred-micrometres-in-diameter/ # PREPARATION AND CHARACTERISATION OF PHASE CHANGE MATERIAL-LOADED POLYUREA MICROCAPSULES SEVERAL HUNDRED MICROMETRES IN DIAMETER > Title: PREPARATION AND CHARACTERISATION OF PHASE CHANGE MATERIAL-LOADED POLYUREA MICROCAPSULES SEVERAL HUNDRED MICROMETRES IN DIAMETER Page Range: p.365-369 Author(s): Takei T; Yoshida M; Nagayoshi T; Hatate Y; Shiomori K; Kiyoyama S File size: 263K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/preparation-and-characterisation-of-phase-change-material-loaded-polyurea-microcapsules-several-hundred-micrometres-in-diameter/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERISATION OF PHASE CHANGE MATERIAL-LOADED POLYUREA MICROCAPSULES SEVERAL HUNDRED MICROMETRES IN DIAMETER** Page Range: p.365-369 Author(s): Takei T; Yoshida M; Nagayoshi T; Hatate Y; Shiomori K; Kiyoyama S File size: 263K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100885&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** Oil-in-water emulsion polymerisation with two types of isocyamate monomers in the oil phase and hexamethylene diamine in the water phase, with tetradecane as phase change material (PCM), was used to prepare PCM-loaded polyurea microcapsules some several hundred micrometers in diameter. Isocyanate monomers included toluene diisocyanate (TDI) and phenyl isocyanate, and to achieve the microcapsules a suitably adjusted agitation rate proved necessary. Microcapsule morphology was affected by the ratio of the two isocyanates, with higher ratio of the TDI proving more beneficial. Microcapsules were characterised using scanning electron microscopy and differential scanning calorimetry. 17 refs. --- --- Source: https://polymerjournals.com/non-linear-fatigue-fracture-analysis-of-composite-laminates/ # NON-LINEAR FATIGUE FRACTURE ANALYSIS OF COMPOSITE LAMINATES > Title: NON-LINEAR FATIGUE FRACTURE ANALYSIS OF COMPOSITE LAMINATES Page Range: p.371-377 Author(s): Rizov V File size: 323K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 Abstract Non-linear fatigue... Canonical URL: https://polymerjournals.com/non-linear-fatigue-fracture-analysis-of-composite-laminates/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NON-LINEAR FATIGUE FRACTURE ANALYSIS OF COMPOSITE LAMINATES** Page Range: p.371-377 Author(s): Rizov V File size: 323K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100886&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** Non-linear fatigue fracture in composite laminates was investigated experimentally using polyester/glass fibre laminates, and by numerical analysis using finite element analytical methods. Experiments were carried out using sinusoidal tensile loads on samples in which an initial crack was introduced. Good agreement was obtained between experimental and simulated results, and it was shown that fatigue damage was concentrated around the crack tip. Relationships between the fatigue crack growth and J-integral range were discussed. 25 refs. --- --- Source: https://polymerjournals.com/the-effect-of-compatibilising-agent-and-surface-modification-on-the-physical-properties-of-short-pineapple-leaf-fibre-palf-reinforced-high-impact-polystyrene-hips-composites/ # THE EFFECT OF COMPATIBILISING AGENT AND SURFACE MODIFICATION ON THE PHYSICAL PROPERTIES OF SHORT PINEAPPLE LEAF FIBRE (PALF) REINFORCED HIGH IMPACT POLYSTYRENE (HIPS) COMPOSITES > Title: THE EFFECT OF COMPATIBILISING AGENT AND SURFACE MODIFICATION ON THE PHYSICAL PROPERTIES OF SHORT PINEAPPLE LEAF FIBRE (PALF) REINFORCED HIGH IMPACT POLYSTYRENE (HIPS) COMPOSITES Page Range: p.379-384 Author(s): Siregar J P; Sapuan S M; Rahman M Z A; Zaman H M... Canonical URL: https://polymerjournals.com/the-effect-of-compatibilising-agent-and-surface-modification-on-the-physical-properties-of-short-pineapple-leaf-fibre-palf-reinforced-high-impact-polystyrene-hips-composites/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECT OF COMPATIBILISING AGENT AND SURFACE MODIFICATION ON THE PHYSICAL PROPERTIES OF SHORT PINEAPPLE LEAF FIBRE (PALF) REINFORCED HIGH IMPACT POLYSTYRENE (HIPS) COMPOSITES** Page Range: p.379-384 Author(s): Siregar J P; Sapuan S M; Rahman M Z A; Zaman H M D K File size: 223K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100887&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** The effects of alkali treatment of short pineapple leaf fibres, or the addition of different levels of compatibiliser, on the physical properties of composites prepared from polystyrene and short pineapple leaf fibre were investigated using density measurements, melt flow index, swelling and water absorption measurements. It was found that the addition of compatibilising agents had more effect on composite properties than did the alkali treatment of fibres. Two types of compatibiliser were used, a copolymer of polystyrene and maleic anhydride or a block copolymer of polystyrene, ethylene-butylene copolymer and styrene-maleic anhydride copolymer. 12 refs. --- --- Source: https://polymerjournals.com/potential-advantages-of-polyacrylonitrile-co-methyl-acrylate-sodium-silicate-nanocomposites-over-pan-co-ma-copolymer/ # POTENTIAL ADVANTAGES OF POLY(ACRYLONITRILE-CO-METHYL ACRYLATE)/SODIUM SILICATE NANOCOMPOSITES OVER P(AN-CO-MA) COPOLYMER > Title: POTENTIAL ADVANTAGES OF POLY(ACRYLONITRILE-CO-METHYL ACRYLATE)/SODIUM SILICATE NANOCOMPOSITES OVER P(AN-CO-MA) COPOLYMER Page Range: p.385-394 Author(s): Samal B; Rana P K; Sahoo P K File size: 475K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/potential-advantages-of-polyacrylonitrile-co-methyl-acrylate-sodium-silicate-nanocomposites-over-pan-co-ma-copolymer/ Published: 2009-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POTENTIAL ADVANTAGES OF POLY(ACRYLONITRILE-CO-METHYL ACRYLATE)/SODIUM SILICATE NANOCOMPOSITES OVER P(AN-CO-MA) COPOLYMER** Page Range: p.385-394 Author(s): Samal B; Rana P K; Sahoo P K File size: 475K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-6&JournalID=100888&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.6 **Abstract** Synthesis of a copolymer of acrylonitrile and methyl acrylate, and a nanocomposite of this polymer with sodium silicate, was carried out using similar emulsion polymerisation methods with ammonium persulphate used as initiator and an in situ transition metal complex as catalyst. Properties of the polymer and nanocomposite were compared using Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, ultraviolet visible spectroscopy, X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, intrinsic viscosity measurements, tensile properties, water absorbency and biodegradation in sludge water, soil burial conditions or in a culture medium. The nanocomposite was shown to have improved thermal stability, biodegradability and water absorbency (superabsorbency) compared to the simple copolymer. 35 refs. --- --- Source: https://polymerjournals.com/influence-of-fillers-in-stiffener-core-and-structural-parameters-on-compaction-of-t-stiffened-skins-in-autoclave-process/ # INFLUENCE OF FILLERS IN STIFFENER CORE AND STRUCTURAL PARAMETERS ON COMPACTION OF T-STIFFENED SKINS IN AUTOCLAVE PROCESS > Title: INFLUENCE OF FILLERS IN STIFFENER CORE AND STRUCTURAL PARAMETERS ON COMPACTION OF T-STIFFENED SKINS IN AUTOCLAVE PROCESS Page Range: p.273-280 Author(s): Min Li; Xueming Wang; Fuyuan Xie; Zuoguang Zhang File size: 414K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/influence-of-fillers-in-stiffener-core-and-structural-parameters-on-compaction-of-t-stiffened-skins-in-autoclave-process/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF FILLERS IN STIFFENER CORE AND STRUCTURAL PARAMETERS ON COMPACTION OF T-STIFFENED SKINS IN AUTOCLAVE PROCESS** Page Range: p.273-280 Author(s): Min Li; Xueming Wang; Fuyuan Xie; Zuoguang Zhang File size: 414K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100875&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** T-stiffened skins were fabricated from carbon fibre/bismaleimide unidirectional prepregs by integral moulding and co-bonding in an autoclave and the effect of filler content and structural parameters (curvature and ply sequence) on the compaction of the skins investigated. Measurements of final laminate thickness of the T-stiffeners after cure and observation of defects located in the intersection between stiffeners and skins allowed conclusions to be made about the effect of fillers and structural parameters on compaction of the skins. 20 refs. --- --- Source: https://polymerjournals.com/blending-techniques-affecting-mechanical-and-morphological-properties-by-fly-ash-ldpe-and-caco3-ldpe-composites/ # BLENDING TECHNIQUES AFFECTING MECHANICAL AND MORPHOLOGICAL PROPERTIES BY FLY ASH/LDPE AND CACO”3/LDPE COMPOSITES > Title: BLENDING TECHNIQUES AFFECTING MECHANICAL AND MORPHOLOGICAL PROPERTIES BY FLY ASH/LDPE AND CACO"3/LDPE COMPOSITES Page Range: p.281-290 Author(s): Chaochanchaikul K; Kositchaiyong A; Sombatsompop N File size: 495K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/blending-techniques-affecting-mechanical-and-morphological-properties-by-fly-ash-ldpe-and-caco3-ldpe-composites/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BLENDING TECHNIQUES AFFECTING MECHANICAL AND MORPHOLOGICAL PROPERTIES BY FLY ASH/LDPE AND CACO"3/LDPE COMPOSITES** Page Range: p.281-290 Author(s): Chaochanchaikul K; Kositchaiyong A; Sombatsompop N File size: 495K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100876&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** The effects of dry blending by high-speed mixing and melt blending in an extruder on the mechanical and morphological properties of LDPE composites filled with calcium carbonate or fly ash were investigated. Mechanical properties were assessed through their tensile, flexural, impact and hardness properties. Dispersion of filler and interfacial filler-polymer adhesion were studied by scanning electron microscopy and the crystallinity level of LDPE in the composites analysed by X-ray diffraction. 22 refs. --- --- Source: https://polymerjournals.com/an-investigation-of-the-flammability-morphology-and-torque-rheology-of-polyvinyl-chloride-with-silanes-and-cu2-modified-montmorillonites/ # AN INVESTIGATION OF THE FLAMMABILITY, MORPHOLOGY AND TORQUE RHEOLOGY OF POLY(VINYL CHLORIDE) WITH SILANES AND CU”2+ MODIFIED MONTMORILLONITES > Title: AN INVESTIGATION OF THE FLAMMABILITY, MORPHOLOGY AND TORQUE RHEOLOGY OF POLY(VINYL CHLORIDE) WITH SILANES AND CU"2+ MODIFIED MONTMORILLONITES Page Range: p.291-301 Author(s): Bin Li; Zhihua Yang File size: 288K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/an-investigation-of-the-flammability-morphology-and-torque-rheology-of-polyvinyl-chloride-with-silanes-and-cu2-modified-montmorillonites/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AN INVESTIGATION OF THE FLAMMABILITY, MORPHOLOGY AND TORQUE RHEOLOGY OF POLY(VINYL CHLORIDE) WITH SILANES AND CU"2+ MODIFIED MONTMORILLONITES** Page Range: p.291-301 Author(s): Bin Li; Zhihua Yang File size: 288K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100877&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** Sodium montmorillonites were treated with silane coupling agents and copper(II) sulphate and PVC composites fabricated therefrom in a twin-screw extruder. The microstructures of the modified montmorillonites and composites were characterised by X-ray diffraction and scanning electron microscopy and the flammability, morphology, rheology and mechanical properties of the composites investigated by various techniques, including the cone calorimeter method, TGA, torque rheometry and tensile, flexural and impact testing. 29 refs. --- --- Source: https://polymerjournals.com/the-influence-of-through-the-thickness-binder-yarn-count-on-fibre-volume-fraction-crimp-and-damage-tolerance-within-3d-woven-carbon-fibre-composites/ # THE INFLUENCE OF THROUGH-THE-THICKNESS BINDER YARN COUNT ON FIBRE VOLUME FRACTION, CRIMP AND DAMAGE TOLERANCE WITHIN 3D WOVEN CARBON FIBRE COMPOSITES > Title: THE INFLUENCE OF THROUGH-THE-THICKNESS BINDER YARN COUNT ON FIBRE VOLUME FRACTION, CRIMP AND DAMAGE TOLERANCE WITHIN 3D WOVEN CARBON FIBRE COMPOSITES Page Range: p.303-312 Author(s): King R S; Stewart G; McIlhagger A T; Quinn J P File size: 482K Download the... Canonical URL: https://polymerjournals.com/the-influence-of-through-the-thickness-binder-yarn-count-on-fibre-volume-fraction-crimp-and-damage-tolerance-within-3d-woven-carbon-fibre-composites/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INFLUENCE OF THROUGH-THE-THICKNESS BINDER YARN COUNT ON FIBRE VOLUME FRACTION, CRIMP AND DAMAGE TOLERANCE WITHIN 3D WOVEN CARBON FIBRE COMPOSITES** Page Range: p.303-312 Author(s): King R S; Stewart G; McIlhagger A T; Quinn J P File size: 482K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100878&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** The influence of through-the-thickness binder yarn count on fibre volume fraction, crimp and damage tolerance within three-dimensional woven carbon fibre composites was investigated. Fabrics were woven with varying binder yarn counts and subjected to dry fabric compression testing and compression after impact testing. It was found that a power law could be used to predict fibre volume fraction and identify the required pressure to achieve a specific volume fraction and that impact depth was significantly influenced by impact location on the through-the-thickness binders. 17 refs. --- --- Source: https://polymerjournals.com/dynamic-mechanical-measurements-of-epoxy-matrix-silica-nanocomposites-ii/ # DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES II > Title: DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES II Page Range: p.313-324 Author(s): Leon L M; Laza M; Puchol V; Torrens F; Abad C; Campos A File size: 417K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/dynamic-mechanical-measurements-of-epoxy-matrix-silica-nanocomposites-ii/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DYNAMIC MECHANICAL MEASUREMENTS OF EPOXY MATRIX-SILICA NANOCOMPOSITES II** Page Range: p.313-324 Author(s): Leon L M; Laza M; Puchol V; Torrens F; Abad C; Campos A File size: 417K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100879&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** Epoxy nanocomposites filled with unfunctionalised silica nanospheres and silica nanospheres functionalised with amine, epoxy or mixtures thereof were prepared and their dynamic mechanical properties investigated by dynamic mechanical analysis. The results are discussed in terms of shear storage modulus and loss factor and the effects of filler content and type of filler thereon. 37 refs. --- --- Source: https://polymerjournals.com/research-with-cfx-software-on-frame-mould-temperature-field-simulation-in-autoclave-process/ # RESEARCH WITH CFX SOFTWARE ON FRAME MOULD TEMPERATURE FIELD SIMULATION IN AUTOCLAVE PROCESS > Title: RESEARCH WITH CFX SOFTWARE ON FRAME MOULD TEMPERATURE FIELD SIMULATION IN AUTOCLAVE PROCESS Page Range: p.325-336 Author(s): Zhang Cheng; Wang Yonggui; Liang Xianzhu; Zhang Boming; Yue Guangquan; Jiang Peng File size: 479K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/research-with-cfx-software-on-frame-mould-temperature-field-simulation-in-autoclave-process/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RESEARCH WITH CFX SOFTWARE ON FRAME MOULD TEMPERATURE FIELD SIMULATION IN AUTOCLAVE PROCESS** Page Range: p.325-336 Author(s): Zhang Cheng; Wang Yonggui; Liang Xianzhu; Zhang Boming; Yue Guangquan; Jiang Peng File size: 479K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100880&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** The frame mould temperature field in the autoclave process for the production of large-size advanced composite parts was simulated using ANSYS CFX computational fluid dynamics software. The simulation methodology was verified by performing experiments on the mould temperature field and comparing the findings with the simulation results and the effects of mould design parameters on the temperature field evaluated. 11 refs. --- --- Source: https://polymerjournals.com/cure-mechanical-and-solvent-transport-behaviour-of-filled-polyethylene-co-vinyl-acetate-composites/ # CURE, MECHANICAL AND SOLVENT TRANSPORT BEHAVIOUR OF FILLED POLY(ETHYLENE-CO-VINYL ACETATE) COMPOSITES > Title: CURE, MECHANICAL AND SOLVENT TRANSPORT BEHAVIOUR OF FILLED POLY(ETHYLENE-CO-VINYL ACETATE) COMPOSITES Page Range: p.337-346 Author(s): Priya Dasan K; Unnikrishnan G; Purushothamam E File size: 320K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/cure-mechanical-and-solvent-transport-behaviour-of-filled-polyethylene-co-vinyl-acetate-composites/ Published: 2009-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURE, MECHANICAL AND SOLVENT TRANSPORT BEHAVIOUR OF FILLED POLY(ETHYLENE-CO-VINYL ACETATE) COMPOSITES** Page Range: p.337-346 Author(s): Priya Dasan K; Unnikrishnan G; Purushothamam E File size: 320K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-5&JournalID=100881&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.5 **Abstract** The effects of various fillers, such as clay, zinc oxide and talc, on the physical properties of EVA composites were investigated. Properties evaluated included cure characteristics, mechanical properties, solvent transport behaviour, dielectric properties and heat stability. 25 refs. --- --- Source: https://polymerjournals.com/preparation-of-tio2-polyacrylic-acid-and-application-in-photocatalytic-degradation-of-methyl-orange/ # PREPARATION OF TiO2/POLYACRYLIC ACID AND APPLICATION IN PHOTOCATALYTIC DEGRADATION OF METHYL ORANGE > Title: PREPARATION OF TiO2/POLYACRYLIC ACID AND APPLICATION IN PHOTOCATALYTIC DEGRADATION OF METHYL ORANGE Page Range: p.195-203 Author(s): Luo S; Zhu H; Wang F; Xin F; Yin X File size: 311K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/preparation-of-tio2-polyacrylic-acid-and-application-in-photocatalytic-degradation-of-methyl-orange/ Published: 2009-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF TiO2/POLYACRYLIC ACID AND APPLICATION IN PHOTOCATALYTIC DEGRADATION OF METHYL ORANGE** Page Range: p.195-203 Author(s): Luo S; Zhu H; Wang F; Xin F; Yin X File size: 311K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100844&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.4 **Abstract** The synthesis of nanocomposites of poly(acrylic acid) with various proportions of titanium dioxide nanoparticles by aqueous solution polymerisation of acrylic acid and potassium acrylate in the presence of N,N'-methylene bisacrylamide as crosslinking agent, potassium persulphate as initiator and the nanoparticles, is described. The products were characterised by SEM, XRD, FTIR and UV-visible spectroscopy, and the effects of reaction conditions including titanium dioxide content, crosslinker amount, degree of neutralisation and monomer concentration on catalytic efficiency in the photocatalytic degradation of methyl orange were investigated. 24 refs. --- --- Source: https://polymerjournals.com/present-status-and-key-challenges-of-carbon-nanotubes-reinforced-polyolefins-a-review-on-nanocomposites-manufacturing-and-performance-issues/ # PRESENT STATUS AND KEY CHALLENGES OF CARBON NANOTUBES REINFORCED POLYOLEFINS: A REVIEW ON NANOCOMPOSITES MANUFACTURING AND PERFORMANCE ISSUES > Title: PRESENT STATUS AND KEY CHALLENGES OF CARBON NANOTUBES REINFORCED POLYOLEFINS: A REVIEW ON NANOCOMPOSITES MANUFACTURING AND PERFORMANCE ISSUES Page Range: p.205-245 Author(s): Prashantha K; Soulestin J; Lacrampe M F; Krawczak P File size: 806K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/present-status-and-key-challenges-of-carbon-nanotubes-reinforced-polyolefins-a-review-on-nanocomposites-manufacturing-and-performance-issues/ Published: 2009-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PRESENT STATUS AND KEY CHALLENGES OF CARBON NANOTUBES REINFORCED POLYOLEFINS: A REVIEW ON NANOCOMPOSITES MANUFACTURING AND PERFORMANCE ISSUES** Page Range: p.205-245 Author(s): Prashantha K; Soulestin J; Lacrampe M F; Krawczak P File size: 806K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100845&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.4 **Abstract** A comprehensive review of the preparation, compounding, properties and applications of nanocomposites of polyolefins reinforced with carbon nanotubes is presented. The processing, dispersion and orientation of nanotubes, as well as the characterisation of the physical and mechanical properties of carbon nanotube-filled polyolefins are discussed, and the scientific principles and mechanisms relating to methods of manufacturing are highlighted, with an outlook towards commercial applications. 300 refs. --- --- Source: https://polymerjournals.com/temperature-dependent-mechanical-characterisation-of-styrene-acrylonitrile/ # TEMPERATURE DEPENDENT MECHANICAL CHARACTERISATION OF STYRENE-ACRYLONITRILE > Title: TEMPERATURE DEPENDENT MECHANICAL CHARACTERISATION OF STYRENE-ACRYLONITRILE Page Range: p.247-252 Author(s): Solakoglu I; Ataoglu S; Gulluoglu A N; Kadioglu N File size: 216K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17... Canonical URL: https://polymerjournals.com/temperature-dependent-mechanical-characterisation-of-styrene-acrylonitrile/ Published: 2009-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TEMPERATURE DEPENDENT MECHANICAL CHARACTERISATION OF STYRENE-ACRYLONITRILE** Page Range: p.247-252 Author(s): Solakoglu I; Ataoglu S; Gulluoglu A N; Kadioglu N File size: 216K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100846&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.4 **Abstract** The temperature dependent mechanical properties of cast sheets of poly(styrene-co-acrylonitrile) (SAN), a random amorphous linear copolymer, were investigated experimentally by DSC (glass transition temperature), creep, tensile and microhardness testing at different temperatures and different loadings. The creep response of SAN was also evaluated and the steady-state strain rate dependence on temperature and stress level is discussed in terms of a power law expression. 14 refs. --- --- Source: https://polymerjournals.com/flexural-characteristics-of-concrete-beams-reinforced-with-a-new-type-of-gfrp-bar/ # FLEXURAL CHARACTERISTICS OF CONCRETE BEAMS REINFORCED WITH A NEW TYPE OF GFRP BAR > Title: FLEXURAL CHARACTERISTICS OF CONCRETE BEAMS REINFORCED WITH A NEW TYPE OF GFRP BAR Page Range: p.253-264 Author(s): Oh H; Moon D Y; Zi G File size: 789K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/flexural-characteristics-of-concrete-beams-reinforced-with-a-new-type-of-gfrp-bar/ Published: 2009-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLEXURAL CHARACTERISTICS OF CONCRETE BEAMS REINFORCED WITH A NEW TYPE OF GFRP BAR** Page Range: p.253-264 Author(s): Oh H; Moon D Y; Zi G File size: 789K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100847&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.4 **Abstract** The fabrication of a new type of E-glass fibre-reinforced epoxy resin (GFRP) rebar by a combination of pultrusion and press moulding to produce surface deformations similar to those of steel rebars, and their characterisation by SEM, tensile strength and elastic modulus measurements, is described. The flexural properties of concrete beams reinforced with the new rebar with various reinforcement ratios and depths of concrete cover were investigated by monotonic loading up to failure and the results are discussed in comparison with those obtained for concrete beams reinforced with commercial GFRP rebars in terms of failure mode, moment-curvature, flexural capacity, load-deflection and crack width. 19 refs. --- --- Source: https://polymerjournals.com/degradation-of-polypropylene-and-polyprop-starch-blends/ # DEGRADATION OF POLYPROPYLENE AND POLYPROP/STARCH BLENDS > Title: DEGRADATION OF POLYPROPYLENE AND POLYPROP/STARCH BLENDS Page Range: p.265-272 Author(s): Meligi G A; El-Rehim H A A; Hegazy E; Ali A M; Rabie A M File size: 232K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/degradation-of-polypropylene-and-polyprop-starch-blends/ Published: 2009-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEGRADATION OF POLYPROPYLENE AND POLYPROP/STARCH BLENDS** Page Range: p.265-272 Author(s): Meligi G A; El-Rehim H A A; Hegazy E; Ali A M; Rabie A M File size: 232K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-4&JournalID=100848&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.4 **Abstract** The photodegradation of blends of starch and isotactic polypropylene (iPP) under natural and artificial UV irradiation were investigated by tensile strength, elongation, FTIR, TGA, DSC and XRD measurements as a function of irradiation time. The results are discussed in terms of the reduction in mechanical properties and molecular weight of iPP, and of biodegradation of waste iPP. 23 refs. --- --- Source: https://polymerjournals.com/preparation-of-high-molecular-weight-polyvinyl-carbazole-web-by-electrospinning/ # PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE) WEB BY ELECTROSPINNING > Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE) WEB BY ELECTROSPINNING Page Range: p.127-132 Author(s): Kim H S; Lee K B; Lyoo W S File size: 320K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-of-high-molecular-weight-polyvinyl-carbazole-web-by-electrospinning/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF HIGH MOLECULAR WEIGHT POLY(VINYL CARBAZOLE) WEB BY ELECTROSPINNING** Page Range: p.127-132 Author(s): Kim H S; Lee K B; Lyoo W S File size: 320K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100819&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The preparation of high molecular weight poly(N-vinyl carbazole) webs by electrospinning under various processing conditions from solutions of the polymer in chloroform, and their characterisation by electrical conductivity and morphology (SEM), is described. The effects of solution concentration, applied voltage and tip-to-collector distance on the spinnability, shape, and diameter and uniformity of the fibres in the web were investigated and the results are discussed. 24 refs. --- --- Source: https://polymerjournals.com/thermal-characterisation-of-short-nylon-6-fibre-reinforced-nbr-composites/ # THERMAL CHARACTERISATION OF SHORT NYLON-6 FIBRE-REINFORCED NBR COMPOSITES > Title: THERMAL CHARACTERISATION OF SHORT NYLON-6 FIBRE-REINFORCED NBR COMPOSITES Page Range: p.133-140 Author(s): Rajesh C; Manoj K C; Unnikrishnan G; Purushothaman E File size: 171K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/thermal-characterisation-of-short-nylon-6-fibre-reinforced-nbr-composites/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL CHARACTERISATION OF SHORT NYLON-6 FIBRE-REINFORCED NBR COMPOSITES** Page Range: p.133-140 Author(s): Rajesh C; Manoj K C; Unnikrishnan G; Purushothaman E File size: 171K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100820&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The thermal properties of composites of acrylonitrile-butadiene rubber (NBR) reinforced with various proportions of short nylon-6 fibres and cured with dicumyl peroxide or sulphur systems were investigated by TG and DSC, and the resulting degradation temperatures, temperature-dependent weight loss, and glass transition temperatures were compared with those for NBR itself. The effects of the addition of hexamethylene tetramine/resorcinol or phthalic anhydride as bonding agents on thermal stability of the composites were investigated, and the results are discussed. 23 refs. --- --- Source: https://polymerjournals.com/bismaleimide-modified-epoxy-diallylbisphenol-system-effect-of-bismaleimide-nature-on-properties/ # BISMALEIMIDE MODIFIED EPOXY-DIALLYLBISPHENOL SYSTEM – EFFECT OF BISMALEIMIDE NATURE ON PROPERTIES > Title: BISMALEIMIDE MODIFIED EPOXY-DIALLYLBISPHENOL SYSTEM – EFFECT OF BISMALEIMIDE NATURE ON PROPERTIES Page Range: p.141-149 Author(s): Devi K A; Nair C P R; Ninan K N File size: 215K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/bismaleimide-modified-epoxy-diallylbisphenol-system-effect-of-bismaleimide-nature-on-properties/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BISMALEIMIDE MODIFIED EPOXY-DIALLYLBISPHENOL SYSTEM – EFFECT OF BISMALEIMIDE NATURE ON PROPERTIES** Page Range: p.141-149 Author(s): Devi K A; Nair C P R; Ninan K N File size: 215K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100821&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The properties of ternary blends of novolac epoxy resin, diallyl bisphenol A, and three different types of bismaleimides (BMIs), namely 2,2-bis-4-(4-maleimidophenoxy)phenylpropane, bis(4-maleimidophenyl)methane and bis(4-maleimidophenyl)ether, were investigated after curing by FTIR, TGA, DSC and adhesive properties. The effects of BMI type on the properties of laminates of the ternary blends with glass fabric were investigated by flexural strength, compressive strength, interlaminar shear strength and interfacial shear strength measurements, thermal and physical properties, such as linear expansion, density, resin content, void content and water absorption, and the results are discussed. 10 refs. --- --- Source: https://polymerjournals.com/processing-and-performance-evaluation-of-nanoclay-infused-epon-828/ # PROCESSING AND PERFORMANCE EVALUATION OF NANOCLAY INFUSED EPON 828 > Title: PROCESSING AND PERFORMANCE EVALUATION OF NANOCLAY INFUSED EPON 828 Page Range: p.151-159 Author(s): Hosur M V; Gebremedhin O; Jeelani S File size: 453K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/processing-and-performance-evaluation-of-nanoclay-infused-epon-828/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROCESSING AND PERFORMANCE EVALUATION OF NANOCLAY INFUSED EPON 828** Page Range: p.151-159 Author(s): Hosur M V; Gebremedhin O; Jeelani S File size: 453K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100822&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The preparation of nanocomposites of epoxy resin infused with various proportions of a commercially available surface modified montmorillonite nanoclay as filler, and their characterisation by DMA, quasi-static compression testing, tensile testing, flexural testing, high strain rate compression using the split Hopkinson pressure bar, and SEM analysis of fracture surfaces, is described. The effects of filler content on mechanical and thermomechanical properties of the nanocomposites are discussed in terms of phase morphology and interfacial interactions. 12 refs. --- --- Source: https://polymerjournals.com/effective-surface-deformation-height-and-bond-rigidity-of-gfrp-reinforcing-bars-with-ribs/ # EFFECTIVE SURFACE DEFORMATION HEIGHT AND BOND RIGIDITY OF GFRP REINFORCING BARS WITH RIBS > Title: EFFECTIVE SURFACE DEFORMATION HEIGHT AND BOND RIGIDITY OF GFRP REINFORCING BARS WITH RIBS Page Range: p.161-171 Author(s): Moon D Y; Ebead U A; Benmokrane B File size: 426K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effective-surface-deformation-height-and-bond-rigidity-of-gfrp-reinforcing-bars-with-ribs/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTIVE SURFACE DEFORMATION HEIGHT AND BOND RIGIDITY OF GFRP REINFORCING BARS WITH RIBS** Page Range: p.161-171 Author(s): Moon D Y; Ebead U A; Benmokrane B File size: 426K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100823&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** Evaluation of the bond behaviour of glass fibre-reinforced epoxy resin (GFRP) reinforcing bars with ribs was investigated experimentally by pull-out tests on the rebars embedded in concrete to determine an accurate bond stress-slip law and to determine failure mode by SEM analysis of the pulled-out GFRP rebars at failure. The experimental data are compared with the results of finite element simulations of specimens subject to pull-out tests and the results are discussed in terms of the effective surface deformation height and bond rigidity of the GFRP rebars. 13 refs. --- --- Source: https://polymerjournals.com/preparation-of-natural-rubber-cassava-starch-organo-montmorillonite-biodegradable-nanocomposite-elastomers/ # PREPARATION OF NATURAL RUBBER/CASSAVA STARCH/ORGANO-MONTMORILLONITE BIODEGRADABLE NANOCOMPOSITE ELASTOMERS > Title: PREPARATION OF NATURAL RUBBER/CASSAVA STARCH/ORGANO-MONTMORILLONITE BIODEGRADABLE NANOCOMPOSITE ELASTOMERS Page Range: p.173-179 Author(s): Chuayjuljit S; Wiriyasoonthorn S; Jiratumnukul N; Limpanart S File size: 362K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/preparation-of-natural-rubber-cassava-starch-organo-montmorillonite-biodegradable-nanocomposite-elastomers/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF NATURAL RUBBER/CASSAVA STARCH/ORGANO-MONTMORILLONITE BIODEGRADABLE NANOCOMPOSITE ELASTOMERS** Page Range: p.173-179 Author(s): Chuayjuljit S; Wiriyasoonthorn S; Jiratumnukul N; Limpanart S File size: 362K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100824&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The preparation of biodegradable nanocomposite elastomers from natural rubber latex with various proportions of cassava starch and organically-modified montmorillonite (OMMT) clay, and their characterisation after curing by XRD, TEM, tensile testing, water absorption and soil burial tests, is described. The results are discussed in terms of the effects of starch and OMMT contents on structure, tensile properties, water sorption, biodegradability and morphology of the nanocomposites. 27 refs. --- --- Source: https://polymerjournals.com/polycarbonate-polyamide-6-nanoclay-ternary-nanocomposite-membranes-preparation-characterisation-and-gas-separation-properties/ # POLYCARBONATE/POLYAMIDE 6/NANOCLAY TERNARY NANOCOMPOSITE MEMBRANES: PREPARATION, CHARACTERISATION, AND GAS SEPARATION PROPERTIES > Title: POLYCARBONATE/POLYAMIDE 6/NANOCLAY TERNARY NANOCOMPOSITE MEMBRANES: PREPARATION, CHARACTERISATION, AND GAS SEPARATION PROPERTIES Page Range: p.181-187 Author(s): Gholizadeh B; Arefazar A; Barzin J File size: 395K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/polycarbonate-polyamide-6-nanoclay-ternary-nanocomposite-membranes-preparation-characterisation-and-gas-separation-properties/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYCARBONATE/POLYAMIDE 6/NANOCLAY TERNARY NANOCOMPOSITE MEMBRANES: PREPARATION, CHARACTERISATION, AND GAS SEPARATION PROPERTIES** Page Range: p.181-187 Author(s): Gholizadeh B; Arefazar A; Barzin J File size: 395K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100825&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The fabrication of polymer ternary nanocomposite membranes by the solution casting technique using a blend of polycarbonate as matrix phase with various proportions of polyamide-6 as dispersed phase and a commercial nanoclay as filler, and their characterisation by SEM (cross-sectional morphology), AFM (surface roughness) and XRD (dispersion), is described. The permeability of the membranes was calculated using theoretical models, and the effects of blend composition on permeability are discussed in terms of surface roughness, free volume and porosity. 40 refs. --- --- Source: https://polymerjournals.com/synthesis-characterisation-and-analysis-of-hibiscus-sabdariffa-fibre-reinforced-polymer-matrix-based-composites/ # SYNTHESIS, CHARACTERISATION AND ANALYSIS OF HIBISCUS SABDARIFFA FIBRE REINFORCED POLYMER MATRIX BASED COMPOSITES > Title: SYNTHESIS, CHARACTERISATION AND ANALYSIS OF HIBISCUS SABDARIFFA FIBRE REINFORCED POLYMER MATRIX BASED COMPOSITES Page Range: p.189-194 Author(s): Singha A S; Thakur V K File size: 255K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/synthesis-characterisation-and-analysis-of-hibiscus-sabdariffa-fibre-reinforced-polymer-matrix-based-composites/ Published: 2009-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS, CHARACTERISATION AND ANALYSIS OF HIBISCUS SABDARIFFA FIBRE REINFORCED POLYMER MATRIX BASED COMPOSITES** Page Range: p.189-194 Author(s): Singha A S; Thakur V K File size: 255K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-3&JournalID=100826&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.3 **Abstract** The synthesis of composites of phenol-formaldehyde resin reinforced with various proportions of the natural fibre derived from Hibiscus Sabdariffa, and their characterisation by tensile strength, compressive strength, flexural strength, wear testing, stress-strain properties, morphology (SEM) and thermal analysis (TGA/DTA), is described. The effects of fibre content and resin composition on mechanical properties of the composites were investigated and the results are discussed. 17 refs. --- --- Source: https://polymerjournals.com/optical-transparency-change-method-for-cure-monitoring-of-gfrps/ # OPTICAL TRANSPARENCY CHANGE METHOD FOR CURE MONITORING OF GFRPs > Title: OPTICAL TRANSPARENCY CHANGE METHOD FOR CURE MONITORING OF GFRPs Page Range: p.63-71 Author(s): Akira Todoroki; Norihiko Hana File size: 261K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No:... Canonical URL: https://polymerjournals.com/optical-transparency-change-method-for-cure-monitoring-of-gfrps/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: OPTICAL TRANSPARENCY CHANGE METHOD FOR CURE MONITORING OF GFRPs** Page Range: p.63-71 Author(s): Akira Todoroki; Norihiko Hana File size: 261K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100802&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** The resin transfer molding(RTM) process is becoming popular for low-cost fabrication of complex commercial products made from GRP. As regards the RTM process for complex components, the optimal fabrication process is found by repeated trial and error. This process is time-consuming and one of the reasons for the high cost of composite products. To overcome this problem, it is useful to monitor the degree of cure of target GRP products. In this study, the luminance change method was used for cure monitoring of polyester-based GRP composites. Polyester resin usually changes its optical transparency during the curing process, which enabled the degree of cure to be monitored by measuring the luminance change of light or reflected light. A system that measured reflected light was developed. The sensing system employed a light-emitting diode as the light source and a photodiode as a light power sensor. This low-cost cure monitoring system was applied to the monitoring of the degree of cure in GRPs and was achieved using commercially-available dielectric sensors. Results were compared with the results of luminance change. The effectiveness of this method was confirmed experimentally. 10 refs. --- --- Source: https://polymerjournals.com/numerical-simulation-based-process-window-for-consolidation-of-thermoset-composite-laminates/ # NUMERICAL SIMULATION BASED PROCESS WINDOW FOR CONSOLIDATION OF THERMOSET COMPOSITE LAMINATES > Title: NUMERICAL SIMULATION BASED PROCESS WINDOW FOR CONSOLIDATION OF THERMOSET COMPOSITE LAMINATES Page Range: p.73-82 Author(s): Min Li; Yizhuo Gu; Yanxia Li; Zuoguang Zhang File size: 482K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/numerical-simulation-based-process-window-for-consolidation-of-thermoset-composite-laminates/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NUMERICAL SIMULATION BASED PROCESS WINDOW FOR CONSOLIDATION OF THERMOSET COMPOSITE LAMINATES** Page Range: p.73-82 Author(s): Min Li; Yizhuo Gu; Yanxia Li; Zuoguang Zhang File size: 482K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100803&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** Laminate consolidation is very important for continuous fibre-reinforced thermoset resin matrix composites and the degree of consolidation depends on resin rheological behaviour and processing conditions. This study focused on the rheological characteristics of two types of epoxy resins (low temperature- and high temperature-curing) and a bismaleimide resin and developed an evaluating method based on numerical simulation, providing guidelines to ensure consolidation. The rheological characteristics under isothermal conditions were examined and the determination of gel point using viscosity increment rate was adopted. The autoclave process for T700S carbon fibre composite laminates was simulated numerically and the effects of cure cycle, number of plies and lay-up type of fibre bed on consolidation were analysed. A process window was constructed to achieve the required degree of consolidation by adjusting the external pressure and the time of applying external pressure. The results showed that the quantitative impacts of processing conditions on consolidation and the feasibility of processing operations could be obtained from the established process window. 25 refs. --- --- Source: https://polymerjournals.com/microencapsulation-of-hydrophilic-solid-powder-as-a-fire-retardant-by-the-method-of-in-situ-gelation-in-droplets-using-a-non-aqueous-solvent-as-the-continuous-phase/ # MICROENCAPSULATION OF HYDROPHILIC SOLID POWDER AS A FIRE RETARDANT BY THE METHOD OF IN SITU GELATION IN DROPLETS USING A NON-AQUEOUS SOLVENT AS THE CONTINUOUS PHASE > Title: MICROENCAPSULATION OF HYDROPHILIC SOLID POWDER AS A FIRE RETARDANT BY THE METHOD OF IN SITU GELATION IN DROPLETS USING A NON-AQUEOUS SOLVENT AS THE CONTINUOUS PHASE Page Range: p.83-90 Author(s): Masanori Takahashi; Yoshinari Taguchi; Masato Tanaka File size: 521K Download the... Canonical URL: https://polymerjournals.com/microencapsulation-of-hydrophilic-solid-powder-as-a-fire-retardant-by-the-method-of-in-situ-gelation-in-droplets-using-a-non-aqueous-solvent-as-the-continuous-phase/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MICROENCAPSULATION OF HYDROPHILIC SOLID POWDER AS A FIRE RETARDANT BY THE METHOD OF IN SITU GELATION IN DROPLETS USING A NON-AQUEOUS SOLVENT AS THE CONTINUOUS PHASE** Page Range: p.83-90 Author(s): Masanori Takahashi; Yoshinari Taguchi; Masato Tanaka File size: 521K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100804&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** Hydrophilic, solid, powdery diammonium bitetrazole(BHT.2NH"3) as a fire retardant was microencapsulated with bisphenol-A epoxy resin by the method of in-situ gelation in droplets to give water resistance. In this method, a non-aqueous solvent was adopted as the continuous phase instead of water to prevent the hydrophilic core material from leaking out. In the experiment, it was mainly the agitation speeds during preparation of droplets containing BHT.2NH"3 and during the microencapsulation process, the gelation temperature, and the oil-soluble surfactant species that were varied. The content of core material could be increased by using a non-aqueous solvent instead of the water phase. The content of core material increased with gelation temperature and independently of the agitation speeds during first droplet preparation and during the microencapsulating process. The leakage ratio increased with agitation speeds and decreased considerably with gelation temperature. 10 refs. --- --- Source: https://polymerjournals.com/a-study-of-pu-mmt-nanocomposites/ # A STUDY OF PU/MMT NANOCOMPOSITES > Title: A STUDY OF PU/MMT NANOCOMPOSITES Page Range: p.91-96 Author(s): Min Qiao; Qianping Ran; Shishan Wu; Jian Shen File size: 186K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No:... Canonical URL: https://polymerjournals.com/a-study-of-pu-mmt-nanocomposites/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A STUDY OF PU/MMT NANOCOMPOSITES** Page Range: p.91-96 Author(s): Min Qiao; Qianping Ran; Shishan Wu; Jian Shen File size: 186K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100805&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** The polyurethane(PU)/montmorillonite(MMT) composite prepared by in-situ polymerisation was a type of intercalated nanocomposite. The silicate platelets were dispersed in the PU matrix on the nanoscale. The DMF suspension containing the PU/MMT nanocomposite was stable for a long time, and the silicate platelets did not subside. With increasing content of silicate, the tensile and tear strength of the PU/MMT nanocomposite increased, but the rate of increase diminished. Compared with that of pure PU, the temperature of initial weight loss of the PU/MMT nanocomposite in the first step decreased because of the acid catalytic action of the protonated silicate platelets, but the temperature of initial weight loss in the second step increased due to the barrier effect of the silicate platelets and the strong interfacial interaction between silicate platelets and the molecular chains of PU. 27 refs. --- --- Source: https://polymerjournals.com/structure-and-properties-of-pva-sio2-interpenetrating-polymer-network-materials-prepared-by-the-sol-gel-method/ # STRUCTURE AND PROPERTIES OF PVA/SiO”2 INTERPENETRATING POLYMER NETWORK MATERIALS PREPARED BY THE SOL-GEL METHOD > Title: STRUCTURE AND PROPERTIES OF PVA/SiO"2 INTERPENETRATING POLYMER NETWORK MATERIALS PREPARED BY THE SOL-GEL METHOD Page Range: p.97-100 Author(s): Feng-Yu Quan; Li-Li Chen; Yan-Zhi Xia; Quan Ji File size: 167K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/structure-and-properties-of-pva-sio2-interpenetrating-polymer-network-materials-prepared-by-the-sol-gel-method/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE AND PROPERTIES OF PVA/SiO"2 INTERPENETRATING POLYMER NETWORK MATERIALS PREPARED BY THE SOL-GEL METHOD** Page Range: p.97-100 Author(s): Feng-Yu Quan; Li-Li Chen; Yan-Zhi Xia; Quan Ji File size: 167K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100806&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** Organic-inorganic interpenetrating polymer network(IPN) materials were prepared by hydrolysis and condensation of tetraethoxysilane(TEOS) in PVAl solution. The structure and morphology of the IPNs were investigated by FTIR spectroscopy and TEM. The thermal properties were examined by TGA and DSC. FTIR spectroscopy showed the formation of Si-O-C and Si-O-Si bonds in the system. TEM demonstrated a homogeneous dispersion of silica in the PVAl matrix when the amount of TEOS added was appropriate. DSC and TGA revealed that, compared with pure PVAl films, the hybrid films exhibited a higher Tg and high thermal stability. 17 refs. --- --- Source: https://polymerjournals.com/evaluation-of-the-morphology-and-performance-of-polyether-sulfone-reverse-osmosis-composite-and-non-composite-membranes/ # EVALUATION OF THE MORPHOLOGY AND PERFORMANCE OF POLYETHER SULFONE REVERSE OSMOSIS COMPOSITE AND NON-COMPOSITE MEMBRANES > Title: EVALUATION OF THE MORPHOLOGY AND PERFORMANCE OF POLYETHER SULFONE REVERSE OSMOSIS COMPOSITE AND NON-COMPOSITE MEMBRANES Page Range: p.101-108 Author(s): Madaeni S S; Barzin J; Jokar Z File size: 305K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/evaluation-of-the-morphology-and-performance-of-polyether-sulfone-reverse-osmosis-composite-and-non-composite-membranes/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF THE MORPHOLOGY AND PERFORMANCE OF POLYETHER SULFONE REVERSE OSMOSIS COMPOSITE AND NON-COMPOSITE MEMBRANES** Page Range: p.101-108 Author(s): Madaeni S S; Barzin J; Jokar Z File size: 305K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100807&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** Reverse osmosis membranes were prepared by the phase inversion technique using polyether sulphone(PES) dissolved in DMAc with and without the addition of polyvinylpyrrolidone(PVP). The effects of the composition of the casting solution on membrane morphology and performance were investigated on the basis of ion removal from treated water. The membrane prepared from 22 wt % PES demonstrated the best ion rejection. Higher flux was accessible by changing the polymer solution composition to 16 wt % PES and 2.5 wt % PVP. For preparation of polyamide composite membranes, the interfacial polymerisation technique was employed. In this procedure, hexamethylenediamine and sebacyl chloride were reacted with each other on the surface of a membrane support. Synthesis conditions, such as the concentration of monomers and the reaction time, significantly affected the performance of the composite membranes. The permeation rate and ion rejection capability of composite polyamide membranes were 40-80 (L/m^2 h) and 28-30% respectively with the initial feed conditions of 400 psi and 25 deg C. 34 refs. --- --- Source: https://polymerjournals.com/effect-of-swelling-process-on-monodispersity-of-porous-polystyrene-divinylbenzene-microspheres-prepared-by-two-step-swelling-polymerization-methods/ # EFFECT OF SWELLING PROCESS ON MONODISPERSITY OF POROUS POLYSTYRENE-DIVINYLBENZENE MICROSPHERES PREPARED BY TWO-STEP SWELLING POLYMERIZATION METHODS > Title: EFFECT OF SWELLING PROCESS ON MONODISPERSITY OF POROUS POLYSTYRENE-DIVINYLBENZENE MICROSPHERES PREPARED BY TWO-STEP SWELLING POLYMERIZATION METHODS Page Range: p.109-116 Author(s): Xiaoyan Liao; Jiang Cheng; Lu Li; Pihui Pi; Xiufang Wen; Zhuoru Yang File size: 472K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/effect-of-swelling-process-on-monodispersity-of-porous-polystyrene-divinylbenzene-microspheres-prepared-by-two-step-swelling-polymerization-methods/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SWELLING PROCESS ON MONODISPERSITY OF POROUS POLYSTYRENE-DIVINYLBENZENE MICROSPHERES PREPARED BY TWO-STEP SWELLING POLYMERIZATION METHODS** Page Range: p.109-116 Author(s): Xiaoyan Liao; Jiang Cheng; Lu Li; Pihui Pi; Xiufang Wen; Zhuoru Yang File size: 472K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100808&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** Porous polystyrene-divinylbenzene(PS-DVB) microspheres of narrow size distribution in the size range of 3.9-4.4 micrometres were prepared by two-step swelling polymerisation methods. The effects of swelling conditions such as swelling activator, temperature, the dispersion method and dibutyl phthalate(DBP)/seed particle ratio on particle size distribution of the PS-DVB microspheres were investigated in detail. Optimal swelling conditions for the preparation of uniformly sized PS particles were shown to be use of DBP as swelling activation agent, swelling temperature 35 deg C, dispersion by ultrasonic-assisted magnetic dispersion, and DBP/seed particle ratio 1-1.5 ml.g^-^1. It was found that particle size distribution became narrower and swelling time was shortened from more than 24 h to 10 h with the introduction of ultrasonic dispersion, which was attributed to the cavitation effect of ultrasonics and the significant magnetic field action arising therefrom, speeding up the equilibrium of swelling process. Swelling temperature also had a significant effect on the monodispersity and particles with the best uniformity could be achieved with the temperature at 35 deg C. The possible reason was that the process of seed particles absorbing swelling agent through water phase was an equilibrium course of thermodynamics and kinetics. 20 refs. --- --- Source: https://polymerjournals.com/mechanical-properties-and-flame-retardancy-of-sebs-based-composites-filled-with-magnesium-hydroxide/ # MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE > Title: MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE Page Range: p.117-125 Author(s): Wang-Dong Xiao; Kibble K A; Feng Lin File size: 307K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/mechanical-properties-and-flame-retardancy-of-sebs-based-composites-filled-with-magnesium-hydroxide/ Published: 2009-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE** Page Range: p.117-125 Author(s): Wang-Dong Xiao; Kibble K A; Feng Lin File size: 307K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-2&JournalID=100809&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.2 **Abstract** The flame-retardancy and mechanical properties of styrene-ethylene/butylene-styrene block copolymer(SEBS)-based composites, containing SEBS blended with a paraffinic hydrocarbon extender oil, propylene copolymer and magnesium hydroxide(MH) or silane coupling agent surface-treated magnesium hydroxide(m-MH), were investigated. A maleic anhydride-grafted SEBS(MA-SEBS) was used as a polymer modifier for some composites. As the amount of MH or m-MH increased, the flame-retardancy of composites improved, while the TS and EB decreased, and the melt flow property of the composites became poorer. When the oil-filled SEBS(O-SEBS) was partially replaced by MA-SEBS, the TS of the composites increased and EB decreased. Furthermore, replacement of O-SEBS with MA-SEBS and treating MH with silane coupling agent (simultaneously) improved the TS of the composites by a large margin. The phase structure of the composites was characterised using SEM and this revealed that the particle-matrix interfacial bonding was improved through the addition of MA-SEBS. The stability of the composites was investigated by TGA. 21 refs. --- --- Source: https://polymerjournals.com/the-effect-of-certain-morphological-features-on-the-permeability-of-clustered-fibrous-media/ # THE EFFECT OF CERTAIN MORPHOLOGICAL FEATURES ON THE PERMEABILITY OF CLUSTERED FIBROUS MEDIA > Title: THE EFFECT OF CERTAIN MORPHOLOGICAL FEATURES ON THE PERMEABILITY OF CLUSTERED FIBROUS MEDIA Page Range: p.1-12 Author(s): Papathanasiou T D; Chen X File size: 684K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/the-effect-of-certain-morphological-features-on-the-permeability-of-clustered-fibrous-media/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECT OF CERTAIN MORPHOLOGICAL FEATURES ON THE PERMEABILITY OF CLUSTERED FIBROUS MEDIA** Page Range: p.1-12 Author(s): Papathanasiou T D; Chen X File size: 684K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100723&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** Numerical results are presented for boundary element simulations of creeping flow through model fibrous media composed of parallel fibre bundles. Starting from ordered arrays of fibre bundles, several types of microstructural variations, namely variations in the horizontal and vertical spacing of the bundles and changes in the sharpness of the bundle perimeter, are introduced and their effect on permeability is examined and quantified. The latter is achieved using a new parameter, called "measure of deviation", which is derived from Ripley's second order intensity function. It is shown that deviations from regular arrays cause substantial scatter in the corresponding permeability values. 26 refs. --- --- Source: https://polymerjournals.com/study-on-morphology-and-structure-of-dynamically-cured-pp-mah-g-poe-epoxy-blends/ # STUDY ON MORPHOLOGY AND STRUCTURE OF DYNAMICALLY CURED PP/MAH-G-POE/EPOXY BLENDS > Title: STUDY ON MORPHOLOGY AND STRUCTURE OF DYNAMICALLY CURED PP/MAH-G-POE/EPOXY BLENDS Page Range: p.13-19 Author(s): Xueliang Jiang; Aijun Zhou; Jun Yuan File size: 235K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/study-on-morphology-and-structure-of-dynamically-cured-pp-mah-g-poe-epoxy-blends/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON MORPHOLOGY AND STRUCTURE OF DYNAMICALLY CURED PP/MAH-G-POE/EPOXY BLENDS** Page Range: p.13-19 Author(s): Xueliang Jiang; Aijun Zhou; Jun Yuan File size: 235K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100724&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** Dynamically cured PP/maleic anhydride-grafted ethylene-octene copolymer/epoxy blends were prepared by dynamic curing of the epoxy resin in the PP/maleic anhydride-grafted ethylene-octene copolymer. The morphology, mechanical properties, rheological properties and heat stability of the blends were investigated by scanning electron microscopy, tensile, impact and flexural testing, capillary rheometry and thermogravimetry. The effects of maleic anhydride-grafted ethylene-octene copolymer and epoxy resin contents on the mechanical properties of the blends were examined and the roles of the cured epoxy resin as filler and maleic anhydride-grafted ethylene-octene copolymer as compatibiliser considered. 21 refs. --- --- Source: https://polymerjournals.com/quasi-static-perforation-study-using-a-sharp-tip-conical-indenter-on-grp-plates-containing-sand-filler/ # QUASI-STATIC PERFORATION STUDY USING A SHARP-TIP CONICAL INDENTER ON GRP PLATES CONTAINING SAND FILLER > Title: QUASI-STATIC PERFORATION STUDY USING A SHARP-TIP CONICAL INDENTER ON GRP PLATES CONTAINING SAND FILLER Page Range: p.21-30 Author(s): Sabet A R; Beheshty M H; Rahimi H File size: 430K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/quasi-static-perforation-study-using-a-sharp-tip-conical-indenter-on-grp-plates-containing-sand-filler/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: QUASI-STATIC PERFORATION STUDY USING A SHARP-TIP CONICAL INDENTER ON GRP PLATES CONTAINING SAND FILLER** Page Range: p.21-30 Author(s): Sabet A R; Beheshty M H; Rahimi H File size: 430K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100725&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** The penetration and perforation performance of E-glass fibre-reinforced unsaturated polyester plates containing 20% of sand as a filler was investigated by means of quasi-static indentation testing using a sharp-tip (30 degree) indentor. The filler had particle sizes of 75 and 600 micrometers and the composite plates were subjected to perforation tests at 5 and 500 mm/min loading rates. Low-velocity impact performance of the composite plates was assessed from load-displacement behaviour during penetration and perforation. It was found that the coarse-sized filler acted as secondary reinforcement in terms of higher energy absorption and the major damage modes were fibre and matrix fracture followed by delamination. 31 refs. --- --- Source: https://polymerjournals.com/concentration-dependence-of-crystalline-polyl-lactide-prepared-by-freeze-drying-solutions/ # CONCENTRATION DEPENDENCE OF CRYSTALLINE POLY(L-LACTIDE) PREPARED BY FREEZE-DRYING SOLUTIONS > Title: CONCENTRATION DEPENDENCE OF CRYSTALLINE POLY(L-LACTIDE) PREPARED BY FREEZE-DRYING SOLUTIONS Page Range: p.31-35 Author(s): Hao Hong; Liu Rongjie; Zhao Yaling File size: 155K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17... Canonical URL: https://polymerjournals.com/concentration-dependence-of-crystalline-polyl-lactide-prepared-by-freeze-drying-solutions/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CONCENTRATION DEPENDENCE OF CRYSTALLINE POLY(L-LACTIDE) PREPARED BY FREEZE-DRYING SOLUTIONS** Page Range: p.31-35 Author(s): Hao Hong; Liu Rongjie; Zhao Yaling File size: 155K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100726&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** Poly(L-lactide) was freeze dried from p-xylene solutions of varying concentrations and the molecular conformation and thermal properties of the freeze-dried poly(L-lactide) investigated by DSC and X-ray diffraction. It was found that the molecular conformation of the polymer in solution changed with solvent and temperature and that samples produced from dilute solution exhibited higher non-isothermal crystallisation temperatures and faster crystallisation rates. A critical concentration corresponding to De Gennes critical overlap concentration was detected and polymer chains were isolated from each other in solutions below the critical concentration, resulting in accelerated melt crystallisation of recovered samples. 14 refs. --- --- Source: https://polymerjournals.com/a-study-of-the-electrospinning-of-an-h2o-acetone-pcl-ternary-system/ # A STUDY OF THE ELECTROSPINNING OF AN H”2O-ACETONE-PCL TERNARY SYSTEM > Title: A STUDY OF THE ELECTROSPINNING OF AN H"2O-ACETONE-PCL TERNARY SYSTEM Page Range: p.37-40 Author(s): Li Xiaoqiang; Su Yan; He Chuanglong; Wang Hongsheng; Mo Xiumei File size: 177K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/a-study-of-the-electrospinning-of-an-h2o-acetone-pcl-ternary-system/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A STUDY OF THE ELECTROSPINNING OF AN H"2O-ACETONE-PCL TERNARY SYSTEM** Page Range: p.37-40 Author(s): Li Xiaoqiang; Su Yan; He Chuanglong; Wang Hongsheng; Mo Xiumei File size: 177K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100727&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** A ternary system consisting of water, acetone and poly-epsilon-caprolactone was electrospun and the morphology of the nanofibres produced characterised by optical microscopy. Cloud point data were obtained by titration and a phase diagram for the ternary system constructed from the cloud point data. Bead-like nano/microfibres were obtained for potential use as cell growth scaffolds with possible controllable drug release capability. 7 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-a-fragrant-acrylonitrile-butadiene-styrene-polycarbonate-alloy/ # PREPARATION AND PROPERTIES OF A FRAGRANT ACRYLONITRILE-BUTADIENE-STYRENE/POLYCARBONATE ALLOY > Title: PREPARATION AND PROPERTIES OF A FRAGRANT ACRYLONITRILE-BUTADIENE-STYRENE/POLYCARBONATE ALLOY Page Range: p.41-45 Author(s): Xiaolin Liu; Yajiang Huang; Qi Yang; Zhiqiang Jiang; Decai Feng File size: 206K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-a-fragrant-acrylonitrile-butadiene-styrene-polycarbonate-alloy/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF A FRAGRANT ACRYLONITRILE-BUTADIENE-STYRENE/POLYCARBONATE ALLOY** Page Range: p.41-45 Author(s): Xiaolin Liu; Yajiang Huang; Qi Yang; Zhiqiang Jiang; Decai Feng File size: 206K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100728&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** Two different fragrant essences (jasmine and sandalwood) were incorporated into an ABS/polycarbonate blend and the effect of the essences and essence content on the fragrant properties, mechanical properties and microstructure of the blends investigated. Volatility and mechanical tests, melt flow index measurement and scanning electron microscopy revealed that the essences not only endowed the blend with fragrance but also acted as lubricants and surface treatment agents during processing. It was established that the dosage of fragrant masterbatch needed to be kept under 5 phr to obtain the best combination of properties and that fragrance could be maintained for a long time at room temperature. 10 refs. --- --- Source: https://polymerjournals.com/electrospinning-and-characterisation-of-polyvinyl-alcohol-blend-submicron-fibres-in-aqueous-solutions/ # ELECTROSPINNING AND CHARACTERISATION OF POLY(VINYL ALCOHOL) BLEND SUBMICRON FIBRES IN AQUEOUS SOLUTIONS > Title: ELECTROSPINNING AND CHARACTERISATION OF POLY(VINYL ALCOHOL) BLEND SUBMICRON FIBRES IN AQUEOUS SOLUTIONS Page Range: p.47-54 Author(s): Hyun Woo Lee; Mohammad Rezaul Karim; Jae Hyeung Park; Do Gyu Bae; Weontae Oh; In Woo Cheong; Jeong Hyun Yeum File size: 635K Download the... Canonical URL: https://polymerjournals.com/electrospinning-and-characterisation-of-polyvinyl-alcohol-blend-submicron-fibres-in-aqueous-solutions/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTROSPINNING AND CHARACTERISATION OF POLY(VINYL ALCOHOL) BLEND SUBMICRON FIBRES IN AQUEOUS SOLUTIONS** Page Range: p.47-54 Author(s): Hyun Woo Lee; Mohammad Rezaul Karim; Jae Hyeung Park; Do Gyu Bae; Weontae Oh; In Woo Cheong; Jeong Hyun Yeum File size: 635K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100729&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** Ultrafine PVAl blend submicron fibres were produced by electrospinning PVAls with number-average degrees of polymerisation of 1700 and 4000 from an aqueous solution containing from 5 to 10% of polymer. The morphology and physical properties, such as tensile strength and melting temperature, of the fibres were investigated by scanning electron microscopy, DSC, X-ray diffraction and thermogravimetry. The effects of PVAl blend mass ratio and concentration and processing parameters, such as applied voltage, and capillary-to-collector distance, on fibre production were evaluated and potential applications, including medical applications, packaging, cosmetics and pharmaceutical applications considered. 23 refs. --- --- Source: https://polymerjournals.com/dynamic-mechanical-behaviour-of-banana-pseudostem-filled-unplasticised-polyvinyl-chloride-composites/ # DYNAMIC MECHANICAL BEHAVIOUR OF BANANA-PSEUDOSTEM-FILLED UNPLASTICISED POLYVINYL CHLORIDE COMPOSITES > Title: DYNAMIC MECHANICAL BEHAVIOUR OF BANANA-PSEUDOSTEM-FILLED UNPLASTICISED POLYVINYL CHLORIDE COMPOSITES Page Range: p.55-61 Author(s): Zainudin E S; Sapuan S M; Abdan K; Mohamad M T M File size: 220K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/dynamic-mechanical-behaviour-of-banana-pseudostem-filled-unplasticised-polyvinyl-chloride-composites/ Published: 2009-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DYNAMIC MECHANICAL BEHAVIOUR OF BANANA-PSEUDOSTEM-FILLED UNPLASTICISED POLYVINYL CHLORIDE COMPOSITES** Page Range: p.55-61 Author(s): Zainudin E S; Sapuan S M; Abdan K; Mohamad M T M File size: 220K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc17-1&JournalID=100730&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 17 Issue No: No.1 **Abstract** The dynamic mechanical properties of unplasticised PVC and composites thereof with banana pseudostem fibres were investigated as a function of filler loading and temperature (from 30 to 140 degrees C). Composites containing banana pseudostem fibres and acrylic FM50 (PMMA) were also studied. The results are discussed in terms of storage modulus, tan delta, Tg, damping behaviour, segmental mobility and interfacial interaction. 12 refs. --- --- Source: https://polymerjournals.com/functional-polymer-nanocomposites/ # FUNCTIONAL POLYMER NANOCOMPOSITES > Title: FUNCTIONAL POLYMER NANOCOMPOSITES Page Range: p.471-481 Author(s): Faupel F; Zaporojtchenko V; Strunskus T; Greve H; Schuermann U; Takele H; Hanisch C; Chakravadhanula V S K; Na Ni; Gerber A; Quandt E; Podschun R File size: 474K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/functional-polymer-nanocomposites/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FUNCTIONAL POLYMER NANOCOMPOSITES** Page Range: p.471-481 Author(s): Faupel F; Zaporojtchenko V; Strunskus T; Greve H; Schuermann U; Takele H; Hanisch C; Chakravadhanula V S K; Na Ni; Gerber A; Quandt E; Podschun R File size: 474K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100668&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** A review is presented on the preparation of metal-containing polymer nanocomposite films via evaporation and sputtering and the functional properties thereof. Examples of optical, high frequency magnetic and antibacterial nanocomposites are included and the use of the electrical properties near the percolation threshold for sensing organic vapours and for photoswitching via the incorporation of chromophores is demonstrated. 66 refs. --- --- Source: https://polymerjournals.com/polyhedral-oligomeric-silsesquioxane-poss-modified-thermoplastic-and-thermosetting-nanocomposites-a-review/ # POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (POSS)-MODIFIED THERMOPLASTIC AND THERMOSETTING NANOCOMPOSITES: A REVIEW > Title: POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (POSS)-MODIFIED THERMOPLASTIC AND THERMOSETTING NANOCOMPOSITES: A REVIEW Page Range: p.483-500 Author(s): Jianqing Zhao; Yi Fu; Shumei Liu File size: 258K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/polyhedral-oligomeric-silsesquioxane-poss-modified-thermoplastic-and-thermosetting-nanocomposites-a-review/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (POSS)-MODIFIED THERMOPLASTIC AND THERMOSETTING NANOCOMPOSITES: A REVIEW** Page Range: p.483-500 Author(s): Jianqing Zhao; Yi Fu; Shumei Liu File size: 258K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100669&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** Investigations into the effects of POSS molecular geometry, composition and concentration on the physical and mechanical properties of POSS-modified thermoplastic and thermosetting nanocomposites are reviewed. Nanocomposites based on PE, PP, PVC, PS, PMMA, polycarbonate, PETP, poly-epsilon-caprolactone, polyamide-6, epoxy resins, polyimides, phenolic resins, PU and other polymers are covered. 117 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-polyurethane-multiwalled-carbon-nanotube-composites/ # PREPARATION AND CHARACTERIZATION OF POLYURETHANE/MULTIWALLED CARBON NANOTUBE COMPOSITES > Title: PREPARATION AND CHARACTERIZATION OF POLYURETHANE/MULTIWALLED CARBON NANOTUBE COMPOSITES Page Range: p.501-507 Author(s): Shuzhong Guo; Chao Zhang; Weizhi Wang; Tianxi Liu; Wuiwui Chauhari Tjiu; Chaobin He; Wei-De Zhang File size: 334K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-polyurethane-multiwalled-carbon-nanotube-composites/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF POLYURETHANE/MULTIWALLED CARBON NANOTUBE COMPOSITES** Page Range: p.501-507 Author(s): Shuzhong Guo; Chao Zhang; Weizhi Wang; Tianxi Liu; Wuiwui Chauhari Tjiu; Chaobin He; Wei-De Zhang File size: 334K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100670&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** Multiwalled carbon nanotube/PU nanocomposites were prepared by a combination of in-situ polymerisation and solvent casting and the morphologies of the nanotubes and nanocomposites and dispersion of nanotubes in the PU matrix investigated by TEM and field emission scanning electron microscopy. The thermomechanical properties, heat stability and tensile properties of the nanocomposites were also investigated and compared with those of neat polyurethane. Nanocomposites with significantly enhanced Young's modulus, stress at break and elongation at break and a strong interfacial adhesion between the nanotubes and matrix were obtained. 32 refs. --- --- Source: https://polymerjournals.com/the-study-on-the-microstructures-and-high-performances-of-melt-blending-polyurethane-multi-walled-carbon-nanotubes-composites/ # THE STUDY ON THE MICROSTRUCTURES AND HIGH PERFORMANCES OF MELT BLENDING POLYURETHANE/MULTI-WALLED CARBON NANOTUBES COMPOSITES > Title: THE STUDY ON THE MICROSTRUCTURES AND HIGH PERFORMANCES OF MELT BLENDING POLYURETHANE/MULTI-WALLED CARBON NANOTUBES COMPOSITES Page Range: p.509-518 Author(s): Fengdan Jiang; Sizhu Wu; Yongji Wei; Liqun Zhang; Guohua Hu File size: 358K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/the-study-on-the-microstructures-and-high-performances-of-melt-blending-polyurethane-multi-walled-carbon-nanotubes-composites/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE STUDY ON THE MICROSTRUCTURES AND HIGH PERFORMANCES OF MELT BLENDING POLYURETHANE/MULTI-WALLED CARBON NANOTUBES COMPOSITES** Page Range: p.509-518 Author(s): Fengdan Jiang; Sizhu Wu; Yongji Wei; Liqun Zhang; Guohua Hu File size: 358K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100671&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** Nanocomposites based on thermoplastic PU and up to 40 phr of unmodified, multiwalled carbon nanotubes were prepared by a simple melt blending process. The morphological, structural and mechanical properties of the nanocomposites were investigated by scanning electron microscopy, TEM, DSC, X-ray diffraction, DMTA and tensile testing. The thermal and electrical conductivities of the nanocomposites were also investigated and the influence of the nanotubes on nanocomposite properties evaluated. 45 refs. --- --- Source: https://polymerjournals.com/polycarbonate-carbon-nanofibers-composites-an-electron-spin-resonance-study/ # POLYCARBONATE-CARBON NANOFIBERS COMPOSITES: AN ELECTRON SPIN RESONANCE STUDY > Title: POLYCARBONATE-CARBON NANOFIBERS COMPOSITES: AN ELECTRON SPIN RESONANCE STUDY Page Range: p.519-526 Author(s): Chipara M; Brittain W J; Kin-Tak Lau; Chipara M D File size: 305K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/polycarbonate-carbon-nanofibers-composites-an-electron-spin-resonance-study/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYCARBONATE-CARBON NANOFIBERS COMPOSITES: AN ELECTRON SPIN RESONANCE STUDY** Page Range: p.519-526 Author(s): Chipara M; Brittain W J; Kin-Tak Lau; Chipara M D File size: 305K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100672&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** Polycarbonate was loaded with from 0 to 10% of carbon nanofibres and the resulting nanocomposites studied by ESR spectroscopy. A complex resonance spectrum was recorded and assigned to the convolution of resonance lines originating from the conducting electrons delocalised over the metallic domains of the nanotubes, free radicals generated during polymer processing and catalyst traces. A qualitative correlation between the dependence of the ESR line width on loading with carbon nanofibres and the dependence of DC electrical conductivity on loading with carbon nanofibres was observed and considered of use for assessing the conductivity of the nanocomposites. 39 refs. --- --- Source: https://polymerjournals.com/tailoring-the-mechanical-performance-of-epoxy-resin-by-various-nanoparticles/ # TAILORING THE MECHANICAL PERFORMANCE OF EPOXY RESIN BY VARIOUS NANOPARTICLES > Title: TAILORING THE MECHANICAL PERFORMANCE OF EPOXY RESIN BY VARIOUS NANOPARTICLES Page Range: p.527-533 Author(s): Sheng Liu; Hui Zhang; Zhong Zhang; Taihua Zhang; Sprenger S File size: 539K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/tailoring-the-mechanical-performance-of-epoxy-resin-by-various-nanoparticles/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TAILORING THE MECHANICAL PERFORMANCE OF EPOXY RESIN BY VARIOUS NANOPARTICLES** Page Range: p.527-533 Author(s): Sheng Liu; Hui Zhang; Zhong Zhang; Taihua Zhang; Sprenger S File size: 539K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100673&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** Flexible organic elastomeric nanoparticles and two kinds of rigid inorganic silica nanoparticles were dispersed into a Bisphenol A epoxy resin by mechanical mixing or the in-situ sol-gel technique. The morphological properties of the nanocomposites were characterised by TEM and scanning electron microscopy and the tensile properties and fracture toughness of the nanocomposites determined. It was found that the elastomeric nanoparticles significantly enhanced the toughness of the resin and rigid silica nanoparticles improved Young's modulus, tensile strength and fracture toughness simultaneously. Both fumed and sol-gel-formed nanosilica particles reinforced the epoxy resin and the nanosilica particles dispersed almost perfectly in the epoxy matrix. 17 refs. --- --- Source: https://polymerjournals.com/effect-of-clay-modification-on-photo-oxidation-of-polyethylene-clay-nanocomposites/ # EFFECT OF CLAY MODIFICATION ON PHOTO-OXIDATION OF POLYETHYLENE/CLAY NANOCOMPOSITES > Title: EFFECT OF CLAY MODIFICATION ON PHOTO-OXIDATION OF POLYETHYLENE/CLAY NANOCOMPOSITES Page Range: p.535-546 Author(s): Zhongzhong Qian; Shimin Zhang; Mingshu Yang File size: 481K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16... Canonical URL: https://polymerjournals.com/effect-of-clay-modification-on-photo-oxidation-of-polyethylene-clay-nanocomposites/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF CLAY MODIFICATION ON PHOTO-OXIDATION OF POLYETHYLENE/CLAY NANOCOMPOSITES** Page Range: p.535-546 Author(s): Zhongzhong Qian; Shimin Zhang; Mingshu Yang File size: 481K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100674&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** Low density PE/nanocomposites were prepared using various modified clays, including silane grafted, ammonium intercalated and silane grafted and ammonium intercalated clays, and the effect of clay modification on the photooxidation of the nanocomposites exposed to UV light investigated by means of IR spectroscopy. The effect of photooxidation behaviour on the crystallisation and morphology of the nanocomposites was also investigated by DSC and scanning electron microscopy and the influence of dispersion and orientation structure on the clays in the polymer matrix assessed. 39 refs. --- --- Source: https://polymerjournals.com/organophilic-layered-silicate-modified-vinylester-urethane-hybrid-resins-structure-and-properties/ # ORGANOPHILIC LAYERED SILICATE MODIFIED VINYLESTER-URETHANE HYBRID RESINS: STRUCTURE AND PROPERTIES > Title: ORGANOPHILIC LAYERED SILICATE MODIFIED VINYLESTER-URETHANE HYBRID RESINS: STRUCTURE AND PROPERTIES Page Range: p.547-554 Author(s): Corobea M-C; Donescu D; Grishchuk S; Castella N; Apostolov A A; Karger-Kocsis J File size: 398K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/organophilic-layered-silicate-modified-vinylester-urethane-hybrid-resins-structure-and-properties/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ORGANOPHILIC LAYERED SILICATE MODIFIED VINYLESTER-URETHANE HYBRID RESINS: STRUCTURE AND PROPERTIES** Page Range: p.547-554 Author(s): Corobea M-C; Donescu D; Grishchuk S; Castella N; Apostolov A A; Karger-Kocsis J File size: 398K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100675&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** A commercial vinyl ester-urethane resin was modified with various amounts of organophilic layered silicates and the effects of the organophilic layered silicates, including their modifiers, on the structure and properties of the resulting nanocomposites investigated. Organophilic intercalants employed were trimethyl dodecylamine and octadecylamine-N,N-bis(allyl(2-hydroxypropyl)ether). The results are discussed in terms of organophilic layered silicate intercalation, DMTA behaviour, fracture mechanics, failure behaviour, water absorption and diffusion coefficients. 14 refs. --- --- Source: https://polymerjournals.com/new-equipment-and-approaches-for-fabrication-of-uniformly-dispersed-nanoclay-cluster-epoxy-composites/ # NEW EQUIPMENT AND APPROACHES FOR FABRICATION OF UNIFORMLY-DISPERSED NANOCLAY CLUSTER/EPOXY COMPOSITES > Title: NEW EQUIPMENT AND APPROACHES FOR FABRICATION OF UNIFORMLY-DISPERSED NANOCLAY CLUSTER/EPOXY COMPOSITES Page Range: p.555-560 Author(s): Mo-Lin Chan; Kin-Tak Lau; Mei-Po Ho; Cheng A; Tsun-Tat Wong File size: 186K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/new-equipment-and-approaches-for-fabrication-of-uniformly-dispersed-nanoclay-cluster-epoxy-composites/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NEW EQUIPMENT AND APPROACHES FOR FABRICATION OF UNIFORMLY-DISPERSED NANOCLAY CLUSTER/EPOXY COMPOSITES** Page Range: p.555-560 Author(s): Mo-Lin Chan; Kin-Tak Lau; Mei-Po Ho; Cheng A; Tsun-Tat Wong File size: 186K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100676&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** A novel experimental set-up for mixing nanoclay and epoxy resin together to form uniformly-dispersed nanosized nanoclay cluster/epoxy composites is described and conditions (spinning, cure time and temperature) established for producing composites containing 5 wt.% of nanoclay with enhanced microhardness. 7 refs. --- --- Source: https://polymerjournals.com/modeling-the-effect-of-strain-rate-on-the-mechanical-properties-of-hdpe-clay-nanocomposite-foams/ # MODELING THE EFFECT OF STRAIN RATE ON THE MECHANICAL PROPERTIES OF HDPE/CLAY NANOCOMPOSITE FOAMS > Title: MODELING THE EFFECT OF STRAIN RATE ON THE MECHANICAL PROPERTIES OF HDPE/CLAY NANOCOMPOSITE FOAMS Page Range: p.561-575 Author(s): Choonghee Jo; Naguib H E File size: 808K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/modeling-the-effect-of-strain-rate-on-the-mechanical-properties-of-hdpe-clay-nanocomposite-foams/ Published: 2008-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODELING THE EFFECT OF STRAIN RATE ON THE MECHANICAL PROPERTIES OF HDPE/CLAY NANOCOMPOSITE FOAMS** Page Range: p.561-575 Author(s): Choonghee Jo; Naguib H E File size: 808K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-8&JournalID=100677&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.8 **Abstract** An investigation was carried out into the effects of strain rate and crystallinity on the mechanical properties of HDPE/clay nanocomposite microcellular foams fabricated by a batch foaming process. Intercalated clay structures in the nanocomposites were studied by TEM and crystallinity determined by differential scanning calorimetry. Foam morphology was characterised by scanning electron microscopy and mechanical properties determined by uniaxial tensile testing. A constitutive model, which considers the combined effects of strain rate and crystallinity on the tensile behaviour of the foams, was derived and validated experimentally. 52 refs. --- --- Source: https://polymerjournals.com/influence-of-carbon-nanofiber-content-and-surface-treatment-on-mechanical-properties-of-vinyl-ester/ # INFLUENCE OF CARBON NANOFIBER CONTENT AND SURFACE TREATMENT ON MECHANICAL PROPERTIES OF VINYL ESTER > Title: INFLUENCE OF CARBON NANOFIBER CONTENT AND SURFACE TREATMENT ON MECHANICAL PROPERTIES OF VINYL ESTER Page Range: p.405-413 Author(s): Plaseied A; Fatemi A; Coleman M R File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/influence-of-carbon-nanofiber-content-and-surface-treatment-on-mechanical-properties-of-vinyl-ester/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF CARBON NANOFIBER CONTENT AND SURFACE TREATMENT ON MECHANICAL PROPERTIES OF VINYL ESTER** Page Range: p.405-413 Author(s): Plaseied A; Fatemi A; Coleman M R File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100460&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** The effects of surface treatments of carbon nanofibre and of the carbon nanofibre volume fraction on the mechanical properties of thermoset vinyl ester polymer nanocomposites were examined under tensile and flexural loadings. Highly graphitic carbon nanofibres with surface functional groups provided stronger composites compared with conventional composites as a result of better bonding between fibres and the polymer matrix. Addition of up to 1 wt% of functionalised carbon nanofibres gave a greater increase in mechanical properties compared with the addition of larger volume fraction of carbon nanofibres. Nanocomposites containing oxidised carbon fibres showed a similar stiffness to functionalised fibres at higher temperatures, but the ductility and tensile strength of the former were lower than those of the latter, possibly as a result of poor adhesion between the nanofibres and the matrix. 18 refs. --- --- Source: https://polymerjournals.com/comparison-of-aluminium-hydroxide-and-magnesium-hydroxide-as-flame-retardants-in-sebs-based-composites/ # COMPARISON OF ALUMINIUM HYDROXIDE AND MAGNESIUM HYDROXIDE AS FLAME RETARDANTS IN SEBS-BASED COMPOSITES > Title: COMPARISON OF ALUMINIUM HYDROXIDE AND MAGNESIUM HYDROXIDE AS FLAME RETARDANTS IN SEBS-BASED COMPOSITES Page Range: p.415-422 Author(s): Xiao W; Kibble K A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/comparison-of-aluminium-hydroxide-and-magnesium-hydroxide-as-flame-retardants-in-sebs-based-composites/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARISON OF ALUMINIUM HYDROXIDE AND MAGNESIUM HYDROXIDE AS FLAME RETARDANTS IN SEBS-BASED COMPOSITES** Page Range: p.415-422 Author(s): Xiao W; Kibble K A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100461&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** The flame retardancy and mechanical properties of composites consisting of blends of oil-filled styrene-ethylene/butylene-styrene block copolymer (SEBS) and polypropylene (PP) containing aluminium hydroxide (ATH) or magnesium hydroxide (MH) as flame-retardant fillers were examined. The limiting oxygen indices (LOIs) of the filled composites increased markedly with increasing ATH or MH content. The LOIs of the ATH system were higher than those of the corresponding MH-containing systems. When MH was introduced progressively into ATH-filled composites at a constant combined filler loading of 65 wt%, the LOI decreased only when MH/ATH ratio exceeded 40%. The tensile strength and elongation at break (EAB) of composites containing less than 50 wt% of filler decreased with increasing filler content; the EAB of composites filled with MH were slightly higher than those of composites containing ATH, but there was little difference in their tensile strengths. At filler loadings of more than greater than 50 wt%, the tensile strength levelled off, but the elongation was markedly reduced. For a combined filler loading of 65 wt%, the elongation at break increases from around 180 to 200% for a progressive increase in the MH/ATH ratio up to 40%, and there was a large increase in the EAB to around 300% when the MH ratio reached 55-60%; thereafter the EAB fell. ATH and MH were also shown to increase the thermal stability of the SEBS-based composites. 26 refs. --- --- Source: https://polymerjournals.com/mechanical-properties-and-flame-retardancy-of-sebs-based-composites-filled-with-aluminium-hydroxide/ # MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH ALUMINIUM HYDROXIDE > Title: MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH ALUMINIUM HYDROXIDE Page Range: p.423-430 Author(s): Kibble K A; Xiao W File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/mechanical-properties-and-flame-retardancy-of-sebs-based-composites-filled-with-aluminium-hydroxide/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES AND FLAME RETARDANCY OF SEBS-BASED COMPOSITES FILLED WITH ALUMINIUM HYDROXIDE** Page Range: p.423-430 Author(s): Kibble K A; Xiao W File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100462&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** The flame retardancy and mechanical properties of composites consisting of blends of oil-filled styrene-ethylene/butylene-styrene block copolymer (SEBS) and polypropylene (PP) containing aluminium hydroxide (ATH) or ATH treated with a silane coupling agent (m-ATH) as a flame-retardant filler were examined. A maleic anhydride-grafted SEBS (MA-SEBS) was used as a polymer modifier in some cases. The flame retardancy of the composites improved whereas their tensile strength and elongation at break (EAB) fell with increasing contents of ATH or m-ATH. When the oil-filled SEBS (O-SEBS) was partially replaced with MA-SEBS, the tensile strength of the composites increased but their EAB decreased. Simultaneous replacements of O-SEBS with MA-SEBS and of ATH with m-ATH improved the tensile strength of the composites significantly. Scanning electron microscopy studies showed that the bonding at the particle-matrix interface was improved by the addition of MA-SEBS. 22 refs. --- --- Source: https://polymerjournals.com/tensile-and-flexural-properties-of-glass-fibre-reinforced-cyanate-ester-syntactic-foams/ # TENSILE AND FLEXURAL PROPERTIES OF GLASS-FIBRE-REINFORCED CYANATE ESTER SYNTACTIC FOAMS > Title: TENSILE AND FLEXURAL PROPERTIES OF GLASS-FIBRE-REINFORCED CYANATE ESTER SYNTACTIC FOAMS Page Range: p.431-438 Author(s): John B; Nair C P R; Ninan K N File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/tensile-and-flexural-properties-of-glass-fibre-reinforced-cyanate-ester-syntactic-foams/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE AND FLEXURAL PROPERTIES OF GLASS-FIBRE-REINFORCED CYANATE ESTER SYNTACTIC FOAMS** Page Range: p.431-438 Author(s): John B; Nair C P R; Ninan K N File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100463&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** Attempts were made to improve the tensile and flexural properties of cyanate ester syntactic foams by reinforcing them with glass fibres. The effects of the concentration and lengths of fibres on flexural and tensile properties of the composites were examined. When the length of fibre was fixed at 5 mm and the concentration of fibre was varied from 5 to 20 wt%, the tensile and flexural strength increased with fibre concentration up to a maximum at a fibre concentration of 16.6 wt%, and then decreased on further addition as a result of poor wetting of fibre by resin. When the fibre length was varied from 5 to 25 mm and the ratio of cyanate ester to microballoons to glass fibres was kept constant at 1:1:0.5 by weight, the optimal tensile and flexural properties were achieved at a fibre length of 20 mm. 26 refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-cost-effective-polypropylene-composites-filled-with-red-mud-particles/ # MECHANICAL PROPERTIES OF COST-EFFECTIVE POLYPROPYLENE COMPOSITES FILLED WITH RED-MUD PARTICLES > Title: MECHANICAL PROPERTIES OF COST-EFFECTIVE POLYPROPYLENE COMPOSITES FILLED WITH RED-MUD PARTICLES Page Range: p.439-446 Author(s): Akinci A; Akbulut H; Yilmaz F File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16... Canonical URL: https://polymerjournals.com/mechanical-properties-of-cost-effective-polypropylene-composites-filled-with-red-mud-particles/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES OF COST-EFFECTIVE POLYPROPYLENE COMPOSITES FILLED WITH RED-MUD PARTICLES** Page Range: p.439-446 Author(s): Akinci A; Akbulut H; Yilmaz F File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100464&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** The use of red mud, an industrial waste material, as a filler for isotactic polypropylene (iPP) was examined. The tensile strength, three-point flexural strength and hardness were measured for the unreinforced polymer and for composites containing 10, 20, 30, 40 or 50 wt% of red mud. Fractures surfaces after three-point flexural tests were examined by scanning electron microscopy. The tensile and flexural strength decreased and the hardness increased with increasing red mud. 32 refs. --- --- Source: https://polymerjournals.com/influence-of-epoxy-nature-on-the-properties-of-an-epoxy-diallylbisphenol-a-bismaleimide-matrix-system/ # INFLUENCE OF EPOXY NATURE ON THE PROPERTIES OF AN EPOXY-DIALLYLBISPHENOL A-BISMALEIMIDE MATRIX SYSTEM > Title: INFLUENCE OF EPOXY NATURE ON THE PROPERTIES OF AN EPOXY-DIALLYLBISPHENOL A-BISMALEIMIDE MATRIX SYSTEM Page Range: p.447-455 Author(s): Devi K A; Nair C P R; Sadhana R; Ninan K N File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/influence-of-epoxy-nature-on-the-properties-of-an-epoxy-diallylbisphenol-a-bismaleimide-matrix-system/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF EPOXY NATURE ON THE PROPERTIES OF AN EPOXY-DIALLYLBISPHENOL A-BISMALEIMIDE MATRIX SYSTEM** Page Range: p.447-455 Author(s): Devi K A; Nair C P R; Sadhana R; Ninan K N File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100465&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** The effects were examined of variations in the structure of the epoxy resin on the thermal, physical, and mechanical properties of ternary blends of an epoxy resin, diallylbisphenol A, and bisphenol A bismaleimide (EPB). Three epoxy resin systems were examined: a novolac epoxy (E1), bisphenol A diglycidyl ether (E2), and tris(4-glycidyloxyphenyl)methane) (E3). The cure characteristics of the reactive blends were examined by means of IR spectroscopy, differential scanning calorimetry, and rheological analysis. The thermal stability of the blends in terms of the onset temperature for decomposition increased in the order EPB-E3, EPB-E1 and EPB-E2. The compressive, flexural, and interlaminar shear strength properties of glass composites based on the EPB matrices depended on the epoxy structure. The higher crosslink density of the trifunctional epoxy (E3) resulted in an improvement in the high-temperature properties of the system. The ternary system served as a very good adhesive, and its strength and retention at high temperature increased in proportion to the functionality of the resin. In general, the highest strength was obtained with systems containing the novolac epoxy. 12 refs. --- --- Source: https://polymerjournals.com/validation-of-the-finite-element-method-applied-to-isotactic-polypropylene-homopolymers/ # VALIDATION OF THE FINITE ELEMENT METHOD APPLIED TO ISOTACTIC POLYPROPYLENE HOMOPOLYMERS > Title: VALIDATION OF THE FINITE ELEMENT METHOD APPLIED TO ISOTACTIC POLYPROPYLENE HOMOPOLYMERS Page Range: p.457-464 Author(s): Martin J; Malon H; Castejon L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/validation-of-the-finite-element-method-applied-to-isotactic-polypropylene-homopolymers/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: VALIDATION OF THE FINITE ELEMENT METHOD APPLIED TO ISOTACTIC POLYPROPYLENE HOMOPOLYMERS** Page Range: p.457-464 Author(s): Martin J; Malon H; Castejon L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100466&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** The structural responses of impact-absorbing systems built from isotactic polypropylene and intended to improve the safety of motor cyclists in crashes with guardrails were examined experimentally by using a free-fall tower. The experimental results were used to validate calculations previously made by the finite-element method (FEM). The comparison validated the FEM method, as the difference between the empirical and numerical results was never more than 9.84%. 7 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterisation-of-epoxy-composites-filled-with-silica-nanoparticles/ # PREPARATION AND CHARACTERISATION OF EPOXY COMPOSITES FILLED WITH SILICA NANOPARTICLES > Title: PREPARATION AND CHARACTERISATION OF EPOXY COMPOSITES FILLED WITH SILICA NANOPARTICLES Page Range: p.465-469 Author(s): Cheng-Fang Ou; Ming-Chin Shiu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No:... Canonical URL: https://polymerjournals.com/preparation-and-characterisation-of-epoxy-composites-filled-with-silica-nanoparticles/ Published: 2008-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERISATION OF EPOXY COMPOSITES FILLED WITH SILICA NANOPARTICLES** Page Range: p.465-469 Author(s): Cheng-Fang Ou; Ming-Chin Shiu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-7&JournalID=100467&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.7 **Abstract** A series of epoxy-silica composites containing 0.5, 1, 3, 5 or 7 wt% of silica nanoparticles were prepared by solution blending. Differential scanning calorimetric studies showed that the glass-transition temperatures of the composites were higher than that of the pure epoxy, and that they increased with increasing silica content. The decomposition temperatures the composites were also higher than that of the pure epoxy, a maximum increase of 20.8 deg.C being achieved in the presence of 5 wt% of silica. The light transmittance of all the composites was more 80%. The permeability of the composites to water decreased with increasing silica content, and the decrease in permeability reached a maximum value of 56.3% at 7 wt% of silica. Scanning electron microscopy studies showed that fine particles of silica were dispersed without agglomeration in the epoxy matrix. 25 refs. --- --- Source: https://polymerjournals.com/mechanical-optical-and-barrier-properties-of-pa6-nanoclay-based-single-and-multilayer-blown-films/ # MECHANICAL, OPTICAL AND BARRIER PROPERTIES OF PA6/NANOCLAY-BASED SINGLE- AND MULTILAYER BLOWN FILMS > Title: MECHANICAL, OPTICAL AND BARRIER PROPERTIES OF PA6/NANOCLAY-BASED SINGLE- AND MULTILAYER BLOWN FILMS Page Range: p.349-358 Author(s): Poisson C; Guerengomba J; Lacrampe M-F; Krawczak P; Gupta B; Miri V; Lefebvre J-M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/mechanical-optical-and-barrier-properties-of-pa6-nanoclay-based-single-and-multilayer-blown-films/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL, OPTICAL AND BARRIER PROPERTIES OF PA6/NANOCLAY-BASED SINGLE- AND MULTILAYER BLOWN FILMS** Page Range: p.349-358 Author(s): Poisson C; Guerengomba J; Lacrampe M-F; Krawczak P; Gupta B; Miri V; Lefebvre J-M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100452&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** Nanocomposite single layer films prepared from polyamide-6 (PA6) or PA6 nanocomposites, or multilayer films prepared from either of the same two polymers with polyethylene (PE) and a bonding layer of maleic anhydride grafted PE, were examined for their potential application in food packaging. Films were blown and were characterised for their mechanical properties, optical performance and oxygen impermeability. Processing conditions only affected optical properties, but significant improvements were gained by using the PA6 nanocomposite film in all areas. Films were examined using differential scanning calorimetry, wide angle X-ray scattering, oxygen permeability measurements, gloss, haze, optical clarity and tensile properties. 25 refs. --- --- Source: https://polymerjournals.com/smart-polymeric-membranes-self-control-of-pore-size-induced-by-variations-in-ph/ # SMART POLYMERIC MEMBRANES: SELF-CONTROL OF PORE SIZE INDUCED BY VARIATIONS IN PH > Title: SMART POLYMERIC MEMBRANES: SELF-CONTROL OF PORE SIZE INDUCED BY VARIATIONS IN PH Page Range: p.359-363 Author(s): Estrada R; Rodriguez R; Castano V M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/smart-polymeric-membranes-self-control-of-pore-size-induced-by-variations-in-ph/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SMART POLYMERIC MEMBRANES: SELF-CONTROL OF PORE SIZE INDUCED BY VARIATIONS IN PH** Page Range: p.359-363 Author(s): Estrada R; Rodriguez R; Castano V M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100453&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** Properties of porous membranes in which the pore size could be adjusted by pH conditions were discussed. Scanning electron microscopy was used to illustrate the effect. Membranes were prepared from cellulose acetate, and a non-linear mathematical model was designed and described to explain the pore size control. Similar behaviour with respect to temperature was also mentioned and the membranes could be used to simulate natural body organs such as the kidney or liver that also adjust pore size with the prevailing conditions. 18 refs. --- --- Source: https://polymerjournals.com/monitoring-the-degree-of-conversion-of-cyclic-butylene-terephthalate-using-dielectric-analysis/ # MONITORING THE DEGREE OF CONVERSION OF CYCLIC BUTYLENE TEREPHTHALATE USING DIELECTRIC ANALYSIS > Title: MONITORING THE DEGREE OF CONVERSION OF CYCLIC BUTYLENE TEREPHTHALATE USING DIELECTRIC ANALYSIS Page Range: p.365-373 Author(s): Archer B; McIlhagger A T; McIlhagger R; Quinn J P; Mallon P; Bradaigh C O File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/monitoring-the-degree-of-conversion-of-cyclic-butylene-terephthalate-using-dielectric-analysis/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MONITORING THE DEGREE OF CONVERSION OF CYCLIC BUTYLENE TEREPHTHALATE USING DIELECTRIC ANALYSIS** Page Range: p.365-373 Author(s): Archer B; McIlhagger A T; McIlhagger R; Quinn J P; Mallon P; Bradaigh C O File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100454&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** The use of dielectric analysis for monitoring the degree of conversion of cyclic butylene terephthalate to polybutylene terephthalate (PBT) was described and discussed. Dielectric analysis is normally used for monitoring the degree of cure in thermosets. Both glass fibre reinforced and unreinforced materials were evaluated as part of a study into moulding large parts such as wind turbine blades. By adjustments in the process cycle, parameters were identified for optimisation of moulding cycles for PBT parts, but care was necessary to ensure correct choice of frequency for events that were frequency dependent. Samples were also evaluated by gel permeation chromatography, differential scanning calorimetry, and thermogravimetric analysis. 25 refs. --- --- Source: https://polymerjournals.com/fast-functionalisation-of-polypropylene-pp-by-ultraviolet-irradiation-and-compatibilised-pp-calcium-carbonate-composite/ # FAST FUNCTIONALISATION OF POLYPROPYLENE (PP) BY ULTRAVIOLET IRRADIATION AND COMPATIBILISED PP/CALCIUM CARBONATE COMPOSITE > Title: FAST FUNCTIONALISATION OF POLYPROPYLENE (PP) BY ULTRAVIOLET IRRADIATION AND COMPATIBILISED PP/CALCIUM CARBONATE COMPOSITE Page Range: p.375-378 Author(s): Shushan Deng; Qianping Ran; Shishan Wu; Jian Shen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/fast-functionalisation-of-polypropylene-pp-by-ultraviolet-irradiation-and-compatibilised-pp-calcium-carbonate-composite/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FAST FUNCTIONALISATION OF POLYPROPYLENE (PP) BY ULTRAVIOLET IRRADIATION AND COMPATIBILISED PP/CALCIUM CARBONATE COMPOSITE** Page Range: p.375-378 Author(s): Shushan Deng; Qianping Ran; Shishan Wu; Jian Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100455&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** Ultraviolet irradiation at high environmental temperatures in air was used to introduce single- and double-bonded oxygen atoms onto polypropylene (PP) in PP powder form. The polymer, and composites incorporating the treated PP, were characterised using Fourier transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, differential scanning calorimetry, scanning electron microscopy, contact angle measurements, gel content determination, melt flow rate, tensile properties and impact strength. It was shown that melt temperature of the PP decreased whilst melt flow, crystallinity and hydrophilicity of surfaces increased. Compatibility and dispersion of filler in composites of PP and calcium carbonate were improved when the irradiated PP was used as compatibiliser. Tensile and impact properties of composites were increased. 12 refs. --- --- Source: https://polymerjournals.com/water-absorption-of-lignocellulosic-phenolic-composites/ # WATER ABSORPTION OF LIGNOCELLULOSIC PHENOLIC COMPOSITES > Title: WATER ABSORPTION OF LIGNOCELLULOSIC PHENOLIC COMPOSITES Page Range: p.379-387 Author(s): Jau Choy Lai; Ani F N; Hassan A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No:... Canonical URL: https://polymerjournals.com/water-absorption-of-lignocellulosic-phenolic-composites/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: WATER ABSORPTION OF LIGNOCELLULOSIC PHENOLIC COMPOSITES** Page Range: p.379-387 Author(s): Jau Choy Lai; Ani F N; Hassan A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100456&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** Water absorption of phenolic resin composite materials filled with palm shell flour, rice husk flour or coconut shell flour was investigated with respect to particle size and filler content. Samples were prepared on a two-roll mill and were compression moulded. Kinetics of water absorption were determined and were shown to be Fickian in character, with water absorption rate and quantity increasing only with filler content. 45 refs. --- --- Source: https://polymerjournals.com/the-influence-of-iron-iron-oxide-mixture-on-the-molecular-fluctuation-networks-of-polybutyleneterephthalate/ # THE INFLUENCE OF IRON/IRON OXIDE MIXTURE ON THE MOLECULAR FLUCTUATION NETWORKS OF POLYBUTYLENETEREPHTHALATE > Title: THE INFLUENCE OF IRON/IRON OXIDE MIXTURE ON THE MOLECULAR FLUCTUATION NETWORKS OF POLYBUTYLENETEREPHTHALATE Page Range: p.389-394 Author(s): Ozden S; Borukayev T A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/the-influence-of-iron-iron-oxide-mixture-on-the-molecular-fluctuation-networks-of-polybutyleneterephthalate/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INFLUENCE OF IRON/IRON OXIDE MIXTURE ON THE MOLECULAR FLUCTUATION NETWORKS OF POLYBUTYLENETEREPHTHALATE** Page Range: p.389-394 Author(s): Ozden S; Borukayev T A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100457&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** The effects on impact strength of adding a mixture of a highly dispersed iron oxide and elemental iron to polybutylene terephthalate were investigated, and significant improvements were observed. The reasons for these improvements were investigated using fractal analysis, and it was shown that a reduction of free volume occurred in the polymer and increased the density of the fluctuation network of molecular chains, the packing of the molecules and the interphase between the crystalline and amorphous regions. Most improvement was achieved at a filler level of 0.05 percent. 32 refs. --- --- Source: https://polymerjournals.com/effect-of-silica-sol-modified-nano-calcium-carbonate-on-polyurethaneurea-dispersions-and-their-films/ # EFFECT OF SILICA SOL-MODIFIED NANO-CALCIUM CARBONATE ON POLYURETHANE(UREA) DISPERSIONS AND THEIR FILMS > Title: EFFECT OF SILICA SOL-MODIFIED NANO-CALCIUM CARBONATE ON POLYURETHANE(UREA) DISPERSIONS AND THEIR FILMS Page Range: p.395-400 Author(s): Yang Dongya; Qiu Fengxian File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16... Canonical URL: https://polymerjournals.com/effect-of-silica-sol-modified-nano-calcium-carbonate-on-polyurethaneurea-dispersions-and-their-films/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF SILICA SOL-MODIFIED NANO-CALCIUM CARBONATE ON POLYURETHANE(UREA) DISPERSIONS AND THEIR FILMS** Page Range: p.395-400 Author(s): Yang Dongya; Qiu Fengxian File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100458&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** An in situ dispersion method was used and described for the preparation of nanocomposites of polyurethane-urea (PUU) and silica sol modified calcium carbonate. The dispersions were characterised using Fourier transform infrared spectroscopy, transmission electron microscopy, and rheological measurements. It was observed that filler nanoparticles were dispersed within the PUU matrix and laid onto the PUU particles. At filler levels of less than 15 percent, the dispersions showed pseudoplastic behaviour. Films prepared from the dispersions were evaluated for their tensile properties and water contact angle, and showed improved water resistance and mechanical properties. 18 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-konjac-glucomannan-titanium-dioxide-nanocomposites/ # PREPARATION AND PROPERTIES OF KONJAC GLUCOMANNAN/TITANIUM DIOXIDE NANOCOMPOSITES > Title: PREPARATION AND PROPERTIES OF KONJAC GLUCOMANNAN/TITANIUM DIOXIDE NANOCOMPOSITES Page Range: p.401-404 Author(s): Dating Tian; Haiho Mao; Weibing Hu; Hong-Quan Xie File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-konjac-glucomannan-titanium-dioxide-nanocomposites/ Published: 2008-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF KONJAC GLUCOMANNAN/TITANIUM DIOXIDE NANOCOMPOSITES** Page Range: p.401-404 Author(s): Dating Tian; Haiho Mao; Weibing Hu; Hong-Quan Xie File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-6&JournalID=100459&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.6 **Abstract** Composites of a polysaccharide (konjac glucomannan) (KGM) and titanium dioxide were prepared by blending the filler with an aqueous solution of the KGM and casting the resulting materials onto a glass slide. Films were characterised using transmission electron microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy, and tensile measurements. Thermal stability and mechanical properties of composites were better than films of pure KGM, and spectral analysis revealed changes in the KGM molecular structure on filler addition. 25 refs. --- --- Source: https://polymerjournals.com/thermal-degradation-of-elastomer-based-nanocomposites/ # THERMAL DEGRADATION OF ELASTOMER BASED NANOCOMPOSITES > Title: THERMAL DEGRADATION OF ELASTOMER BASED NANOCOMPOSITES Page Range: p.283-293 Author(s): Susmita Dey Sadhu; Rajeev R S; Bhowmick A K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue... Canonical URL: https://polymerjournals.com/thermal-degradation-of-elastomer-based-nanocomposites/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL DEGRADATION OF ELASTOMER BASED NANOCOMPOSITES** Page Range: p.283-293 Author(s): Susmita Dey Sadhu; Rajeev R S; Bhowmick A K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100444&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** The thermal degradation behaviour of nanocomposites based on SBR, BR and nitrile rubber with various amounts of acrylonitrile and either sodium montmorillonite or octadecyl amine-modified sodium montmorillonite clays was investigated by thermogravimetry. The effects of the type of nanofiller, rubber polarity and filler loading on thermal degradation of the rubbers were examined and activation energies of degradation calculated using the Flynn-Wall-Ozawa method. 26 refs. --- --- Source: https://polymerjournals.com/modelling-of-strength-and-stiffness-behaviour-of-natural-fibre-reinforced-polypropylene-composites/ # MODELLING OF STRENGTH AND STIFFNESS BEHAVIOUR OF NATURAL FIBRE REINFORCED POLYPROPYLENE COMPOSITES > Title: MODELLING OF STRENGTH AND STIFFNESS BEHAVIOUR OF NATURAL FIBRE REINFORCED POLYPROPYLENE COMPOSITES Page Range: p.295-302 Author(s): Taha I; El-Sabbagh A; Ziegmann G File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/modelling-of-strength-and-stiffness-behaviour-of-natural-fibre-reinforced-polypropylene-composites/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODELLING OF STRENGTH AND STIFFNESS BEHAVIOUR OF NATURAL FIBRE REINFORCED POLYPROPYLENE COMPOSITES** Page Range: p.295-302 Author(s): Taha I; El-Sabbagh A; Ziegmann G File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100445&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** The mechanical properties of an injection moulded sisal-PP composite were investigated by tensile and single fibre pull-out tests. An analytical model based on the rule of mixtures accounting for the different modes of load transfer between matrix and fibre and their changeover was derived and verified against the experimental findings and literature data. Close agreement between the model and experimental results was achieved at low fibre contents (below 20 wt.%) and fibre contents exceeding 40 weight percent. 22 refs. --- --- Source: https://polymerjournals.com/storage-stability-of-ultraviolet-irradiated-hdpe/ # STORAGE STABILITY OF ULTRAVIOLET IRRADIATED HDPE > Title: STORAGE STABILITY OF ULTRAVIOLET IRRADIATED HDPE Page Range: p.303-307 Author(s): Shushan Deng; Qianping Ran; Shishan Wu; Jian Shen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No:... Canonical URL: https://polymerjournals.com/storage-stability-of-ultraviolet-irradiated-hdpe/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STORAGE STABILITY OF ULTRAVIOLET IRRADIATED HDPE** Page Range: p.303-307 Author(s): Shushan Deng; Qianping Ran; Shishan Wu; Jian Shen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100446&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** Changes in the concentration of oxygen-containing groups, such as C-O and C=O, introduced by UV irradiation onto HDPE and the hydrophilicity of the irradiated HDPE before and after storage for up to 11,040 h. were investigated. The irradiated HDPE was used as a compatibiliser in HDPE/sericite-tridymite-cristobalite and the mechanical properties of the compatibilised blend investigated before and after storage. 11 refs. --- --- Source: https://polymerjournals.com/kinetic-model-for-the-thermal-degradation-of-polymethylphenylsiloxane/ # KINETIC MODEL FOR THE THERMAL DEGRADATION OF POLY(METHYLPHENYLSILOXANE) > Title: KINETIC MODEL FOR THE THERMAL DEGRADATION OF POLY(METHYLPHENYLSILOXANE) Page Range: p.309-314 Author(s): Sun J T; Huang Y D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No:... Canonical URL: https://polymerjournals.com/kinetic-model-for-the-thermal-degradation-of-polymethylphenylsiloxane/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: KINETIC MODEL FOR THE THERMAL DEGRADATION OF POLY(METHYLPHENYLSILOXANE)** Page Range: p.309-314 Author(s): Sun J T; Huang Y D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100447&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** The kinetics of thermal degradation of polymethylphenylsiloxane were investigated under non-isothermal conditions by dynamic thermogravimetry and corresponding kinetic parameters of the degradation stages (unzipped and rearranged) determined using the Kissinger and Friedman methods. The Arrhenius pre-exponential factor and reaction order for the two degradation stages were also determined and a kinetic model developed using the values of the kinetic parameters. 14 refs. --- --- Source: https://polymerjournals.com/effect-of-fillers-on-the-fire-retardant-properties-of-intumescent-polypropylene-compounds/ # EFFECT OF FILLERS ON THE FIRE RETARDANT PROPERTIES OF INTUMESCENT POLYPROPYLENE COMPOUNDS > Title: EFFECT OF FILLERS ON THE FIRE RETARDANT PROPERTIES OF INTUMESCENT POLYPROPYLENE COMPOUNDS Page Range: p.315-322 Author(s): Faghihi J; Morshedian J; Ahmadi S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/effect-of-fillers-on-the-fire-retardant-properties-of-intumescent-polypropylene-compounds/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF FILLERS ON THE FIRE RETARDANT PROPERTIES OF INTUMESCENT POLYPROPYLENE COMPOUNDS** Page Range: p.315-322 Author(s): Faghihi J; Morshedian J; Ahmadi S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100448&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** The effects of fillers, including ammonium polyphosphate, aluminium trihydrate and talc, and an impact modifier/compatibiliser (EVA) on the fire retardant and mechanical properties of PP were investigated by tensile and Izod impact testing, TGA, scanning electron microscopy and limiting oxygen index measurements. The influence of a silane coating on the surface of ammonium polyphosphate was also investigated. The results obtained were interpreted by means of thermal decomposition, chemical reaction between the components and formation of a protective ceramic-like layer at the surface of talc-filled PP upon ignition. 27 refs. --- --- Source: https://polymerjournals.com/permeation-of-chlorinated-hydrocarbon-vapours-through-polyethylene-co-vinyl-acetate-membranes/ # PERMEATION OF CHLORINATED HYDROCARBON VAPOURS THROUGH POLY(ETHYLENE-CO-VINYL ACETATE) MEMBRANES > Title: PERMEATION OF CHLORINATED HYDROCARBON VAPOURS THROUGH POLY(ETHYLENE-CO-VINYL ACETATE) MEMBRANES Page Range: p.323-329 Author(s): Kumar S A; Muralidharan M N; Kumaran M G; Thomas S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/permeation-of-chlorinated-hydrocarbon-vapours-through-polyethylene-co-vinyl-acetate-membranes/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PERMEATION OF CHLORINATED HYDROCARBON VAPOURS THROUGH POLY(ETHYLENE-CO-VINYL ACETATE) MEMBRANES** Page Range: p.323-329 Author(s): Kumar S A; Muralidharan M N; Kumaran M G; Thomas S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100449&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** The permeation of chlorinated hydrocarbon vapours through uncrosslinked and crosslinked EVA membranes was investigated. Dicumyl peroxide and benzoyl peroxide were used as crosslinking agents. The effects of crystallinity, crosslinker loading, type of crosslinking agent and penetrant size on permeation were examined and the influence of free volume on gas barrier properties evaluated using positron annihilation lifetime spectroscopy. Crosslink density was calculated using the equilibrium sorption method and its influence on permeation also assessed. 22 refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-bis3-vinyl-ester-2-hydroxy-propane-ether-terminated-polydimethylsiloxane-toughened-epoxy-clay-hybrid-nanocomposites/ # SYNTHESIS AND CHARACTERIZATION OF BIS(3-VINYL ESTER-2-HYDROXY PROPANE) ETHER-TERMINATED POLY(DIMETHYLSILOXANE) TOUGHENED EPOXY-CLAY HYBRID NANOCOMPOSITES > Title: SYNTHESIS AND CHARACTERIZATION OF BIS(3-VINYL ESTER-2-HYDROXY PROPANE) ETHER-TERMINATED POLY(DIMETHYLSILOXANE) TOUGHENED EPOXY-CLAY HYBRID NANOCOMPOSITES Page Range: p.331-341 Author(s): Chozhan C K; Alagar M; Gnanasundaram P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-bis3-vinyl-ester-2-hydroxy-propane-ether-terminated-polydimethylsiloxane-toughened-epoxy-clay-hybrid-nanocomposites/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF BIS(3-VINYL ESTER-2-HYDROXY PROPANE) ETHER-TERMINATED POLY(DIMETHYLSILOXANE) TOUGHENED EPOXY-CLAY HYBRID NANOCOMPOSITES** Page Range: p.331-341 Author(s): Chozhan C K; Alagar M; Gnanasundaram P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100450&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** A bis(3-vinyl ester-2-hydroxy propane) ether-terminated poly(dimethylsiloxane) was synthesised from diglycidyl ether-terminated PDMS and acrylic acid, structurally characterised by FTIR spectroscopy and NMR spectroscopy and used as a toughening agent in a diglycidyl ether of Bisphenol A epoxy resin cured with 4,4'-diaminodiphenylmethane. The epoxy system and toughened epoxy system were further modified with organophilic montmorillonite clay and the mechanical, dynamic mechanical and thermal properties of the systems investigated. The water absorption behaviour of the systems was also investigated and fracture surfaces of the systems characterised by scanning electron microscopy. 44 refs. --- --- Source: https://polymerjournals.com/highly-fiber-loaded-composites-physical-and-mechanical-properties/ # HIGHLY FIBER-LOADED COMPOSITES: PHYSICAL AND MECHANICAL PROPERTIES > Title: HIGHLY FIBER-LOADED COMPOSITES: PHYSICAL AND MECHANICAL PROPERTIES Page Range: p.343-347 Author(s): Nourbakhsh A; Ashori A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 Abstract The... Canonical URL: https://polymerjournals.com/highly-fiber-loaded-composites-physical-and-mechanical-properties/ Published: 2008-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HIGHLY FIBER-LOADED COMPOSITES: PHYSICAL AND MECHANICAL PROPERTIES** Page Range: p.343-347 Author(s): Nourbakhsh A; Ashori A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-5&JournalID=100451&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.5 **Abstract** The effects of coupling agent (maleated PP) and fibre content on the physical and mechanical properties of a PP composite containing poplar fibre as the reinforcing filler were investigated. The elastic modulus, modulus of rupture, internal bonding and dimensional stability of the composites were determined and the influence of temperature on water absorption and thickness swelling examined. The mechanical strengths of the composites improved slightly as fibre loading increased and physicomechanical properties were significantly improved with the addition of the coupling agent. 16 refs. --- --- Source: https://polymerjournals.com/determination-of-wrinkling-criteria-for-an-incompressible-polymer-membrane-by-non-linear-elastic-finite-element-method/ # DETERMINATION OF WRINKLING CRITERIA FOR AN INCOMPRESSIBLE POLYMER MEMBRANE BY NON-LINEAR ELASTIC FINITE ELEMENT METHOD > Title: DETERMINATION OF WRINKLING CRITERIA FOR AN INCOMPRESSIBLE POLYMER MEMBRANE BY NON-LINEAR ELASTIC FINITE ELEMENT METHOD Page Range: p.225-232 Author(s): Kim J H; Lee M-G; Han C-S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/determination-of-wrinkling-criteria-for-an-incompressible-polymer-membrane-by-non-linear-elastic-finite-element-method/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DETERMINATION OF WRINKLING CRITERIA FOR AN INCOMPRESSIBLE POLYMER MEMBRANE BY NON-LINEAR ELASTIC FINITE ELEMENT METHOD** Page Range: p.225-232 Author(s): Kim J H; Lee M-G; Han C-S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100436&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The determination of a wrinkling criterion for non-linear elastic membrane materials such as thin polymer, fabric or rubber structures by implementing the constitutive equation proposed by Ogden for incompressible hyperelastic materials using finite element analysis is described. The wrinkle/non-wrinkle boundaries were traced by means of the relationship between strain energy and the principal values of the stretch tensor, and it was shown that initiation of wrinkling of an elastic membrane can be regarded as taking place at the point of slope change of the strain energy-stretch curve. 12 refs. --- --- Source: https://polymerjournals.com/mechanical-behavior-of-composite-sandwich-structures-subjected-to-low-velocity-impact-experimental-testing-and-finite-element-modeling/ # MECHANICAL BEHAVIOR OF COMPOSITE SANDWICH STRUCTURES SUBJECTED TO LOW VELOCITY IMPACT – EXPERIMENTAL TESTING AND FINITE ELEMENT MODELING > Title: MECHANICAL BEHAVIOR OF COMPOSITE SANDWICH STRUCTURES SUBJECTED TO LOW VELOCITY IMPACT – EXPERIMENTAL TESTING AND FINITE ELEMENT MODELING Page Range: p.233-240 Author(s): Rizov V; Mladensky A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/mechanical-behavior-of-composite-sandwich-structures-subjected-to-low-velocity-impact-experimental-testing-and-finite-element-modeling/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL BEHAVIOR OF COMPOSITE SANDWICH STRUCTURES SUBJECTED TO LOW VELOCITY IMPACT – EXPERIMENTAL TESTING AND FINITE ELEMENT MODELING** Page Range: p.233-240 Author(s): Rizov V; Mladensky A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100437&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The mechanical properties of composite sandwich beam and panel structures, composed of glass fibre-reinforced vinyl ester resin composite laminate face sheets and a cross-linked poly(vinyl chloride) closed-cell foam core and fabricated by the vacuum infusion method, when subjected to low velocity impact were investigated experimentally using a drop-weight test rig. The experimental data are discussed in comparison with the predictions of a finite element model developed to simulate impact response. 25 refs. --- --- Source: https://polymerjournals.com/morphology-and-electrical-conductivity-of-polystyrene-sulfonic-acid-graphite-nanosheet-composites/ # MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF POLYSTYRENE SULFONIC ACID-GRAPHITE NANOSHEET COMPOSITES > Title: MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF POLYSTYRENE SULFONIC ACID-GRAPHITE NANOSHEET COMPOSITES Page Range: p.241-247 Author(s): Yu C; Li B File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No:... Canonical URL: https://polymerjournals.com/morphology-and-electrical-conductivity-of-polystyrene-sulfonic-acid-graphite-nanosheet-composites/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MORPHOLOGY AND ELECTRICAL CONDUCTIVITY OF POLYSTYRENE SULFONIC ACID-GRAPHITE NANOSHEET COMPOSITES** Page Range: p.241-247 Author(s): Yu C; Li B File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100438&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The fabrication of nanocomposites of poly(styrene sulphonic acid)(PSS), synthesised by sulphonation of polystyrene obtained by emulsion polymerisation of the monomer and characterised by FTIR and degree of sulphonation, with various proportions of graphite nanosheets (NanoG) by casting dispersions of NanoG in PSS aqueous solution is described. The products were characterised by morphology (XRD, SEM and TEM) and electrical conductivity, and the effects of filler content on electrical properties are discussed in comparison with the predictions of the classical percolation theory. 34 refs. --- --- Source: https://polymerjournals.com/eco-composites-of-polyurethane-and-luffa-aegyptiaca-modified-by-mercerisation-and-benzylation/ # ECO-COMPOSITES OF POLYURETHANE AND LUFFA AEGYPTIACA MODIFIED BY MERCERISATION AND BENZYLATION > Title: ECO-COMPOSITES OF POLYURETHANE AND LUFFA AEGYPTIACA MODIFIED BY MERCERISATION AND BENZYLATION Page Range: p.249-256 Author(s): Melo B N; Dos-Santos C G; Botaro V R; Pasa V M D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/eco-composites-of-polyurethane-and-luffa-aegyptiaca-modified-by-mercerisation-and-benzylation/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ECO-COMPOSITES OF POLYURETHANE AND LUFFA AEGYPTIACA MODIFIED BY MERCERISATION AND BENZYLATION** Page Range: p.249-256 Author(s): Melo B N; Dos-Santos C G; Botaro V R; Pasa V M D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100439&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The preparation by a hot pressing process of composites of polyurethane derived from castor oil and polymeric 4,4'-diphenylmethane diisocyanate with cellulose fibres derived from Luffa aegyptiaca, and their characterisation by TGA, tensile testing and water absorption, is described. The effects of surface treatment of the fibres by alkali treatment (mercerisation) with or without subsequent benzylation on the mechanical, morphological and water absorption properties of the fibres and composites were investigated by FTIR, XRD, DSC and SEM, and the results are discussed. 16 refs. --- --- Source: https://polymerjournals.com/the-influence-of-barium-sulfate-on-the-mechanical-properties-of-glass-epoxy-resin-composite/ # THE INFLUENCE OF BARIUM SULFATE ON THE MECHANICAL PROPERTIES OF GLASS/EPOXY RESIN COMPOSITE > Title: THE INFLUENCE OF BARIUM SULFATE ON THE MECHANICAL PROPERTIES OF GLASS/EPOXY RESIN COMPOSITE Page Range: p.257-262 Author(s): Wang Z; Zhang F; Song N; Ni L File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/the-influence-of-barium-sulfate-on-the-mechanical-properties-of-glass-epoxy-resin-composite/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE INFLUENCE OF BARIUM SULFATE ON THE MECHANICAL PROPERTIES OF GLASS/EPOXY RESIN COMPOSITE** Page Range: p.257-262 Author(s): Wang Z; Zhang F; Song N; Ni L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100440&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The fabrication of epoxy resin and glass fibre-reinforced epoxy resin composite bars containing various proportions of barium sulphate filler and their characterisation by flexural and impact strength measurements is described. The effects of filler content on the mechanical properties of the composites were studied by statistical analysis of the experimental data and the results are discussed. 34 refs. --- --- Source: https://polymerjournals.com/flexural-morphological-and-thermal-properties-of-polylactic-acid-organo-montmorillonite-nanocomposites/ # FLEXURAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/ORGANO-MONTMORILLONITE NANOCOMPOSITES > Title: FLEXURAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/ORGANO-MONTMORILLONITE NANOCOMPOSITES Page Range: p.263-270 Author(s): Shyang C W; Kuen L S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue... Canonical URL: https://polymerjournals.com/flexural-morphological-and-thermal-properties-of-polylactic-acid-organo-montmorillonite-nanocomposites/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLEXURAL, MORPHOLOGICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/ORGANO-MONTMORILLONITE NANOCOMPOSITES** Page Range: p.263-270 Author(s): Shyang C W; Kuen L S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100441&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The preparation of nanocomposites of poly(lactic acid) and various proportions of organically modified montmorillonite clay by solution intercalation using toluene as solvent and by melt intercalation using a twin-screw extruder, and their characterisation by flexural properties, FESEM, EDX, XRD and DSC, is described. The effects of filler content and preparation method on mechanical, morphological and thermal properties of the nanocomposites are discussed in terms of filler dispersion. 15 refs. --- --- Source: https://polymerjournals.com/effect-of-epoxy-functionalised-core-shell-particles-on-properties-of-polybutylenes-terephthalatepbt/ # EFFECT OF EPOXY-FUNCTIONALISED CORE-SHELL PARTICLES ON PROPERTIES OF POLY(BUTYLENES TEREPHTHALATE)(PBT) > Title: EFFECT OF EPOXY-FUNCTIONALISED CORE-SHELL PARTICLES ON PROPERTIES OF POLY(BUTYLENES TEREPHTHALATE)(PBT) Page Range: p.271-276 Author(s): Wu G; Ji W; Sun S; Zhang H File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/effect-of-epoxy-functionalised-core-shell-particles-on-properties-of-polybutylenes-terephthalatepbt/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF EPOXY-FUNCTIONALISED CORE-SHELL PARTICLES ON PROPERTIES OF POLY(BUTYLENES TEREPHTHALATE)(PBT)** Page Range: p.271-276 Author(s): Wu G; Ji W; Sun S; Zhang H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100442&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The synthesis of epoxy-functionalised core-shell impact modifiers with different particle sizes and different epoxy contents based on a poly(butyl acrylate) core and a poly(methyl methacrylate) shell grafted with glycidyl methacrylate (GMA) via multi-step seeded emulsion polymerisation is described. The properties of blends of the impact modifiers with poly(butylene terephthalate) prepared by reactive melt blending and injection moulding were studied by DSC, SEM, DMA, impact and tensile testing, and the effects of the GMA content and particle size of the impact modifiers on mechanical properties of the blends are discussed. 35 refs. --- --- Source: https://polymerjournals.com/preparation-of-natural-rubber-eva-montmorillonite-nanocomposites-by-latex-compounding/ # PREPARATION OF NATURAL RUBBER/EVA/MONTMORILLONITE NANOCOMPOSITES BY LATEX COMPOUNDING > Title: PREPARATION OF NATURAL RUBBER/EVA/MONTMORILLONITE NANOCOMPOSITES BY LATEX COMPOUNDING Page Range: p.277-282 Author(s): Chuayjuljit S; Nonthaboonlert B; Limpanart S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No:... Canonical URL: https://polymerjournals.com/preparation-of-natural-rubber-eva-montmorillonite-nanocomposites-by-latex-compounding/ Published: 2008-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF NATURAL RUBBER/EVA/MONTMORILLONITE NANOCOMPOSITES BY LATEX COMPOUNDING** Page Range: p.277-282 Author(s): Chuayjuljit S; Nonthaboonlert B; Limpanart S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-4&JournalID=100443&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.4 **Abstract** The preparation by latex compounding of nanocomposites of blends of various proportions of natural rubber latex and poly(ethylene-co-vinyl acetate) with sodium montmorillonite, and their characterisation after curing by XRD, SEM, TEM and tensile strength, is described. The effects of blend composition and addition of filler on tensile properties are discussed in terms of compatibility and filler dispersion. 18 refs. --- --- Source: https://polymerjournals.com/characterization-and-modeling-of-the-effect-of-environmental-degradation-on-interlaminar-shear-strength-of-carbon-epoxy-composites/ # CHARACTERIZATION AND MODELING OF THE EFFECT OF ENVIRONMENTAL DEGRADATION ON INTERLAMINAR SHEAR STRENGTH OF CARBON/EPOXY COMPOSITES > Title: CHARACTERIZATION AND MODELING OF THE EFFECT OF ENVIRONMENTAL DEGRADATION ON INTERLAMINAR SHEAR STRENGTH OF CARBON/EPOXY COMPOSITES Page Range: p.165-179 Author(s): Goruganthu S; Elwell J; Ramasetty A; Nair A R; Roy S; Haque A; Dutta P K; Kumar A File size: Download... Canonical URL: https://polymerjournals.com/characterization-and-modeling-of-the-effect-of-environmental-degradation-on-interlaminar-shear-strength-of-carbon-epoxy-composites/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION AND MODELING OF THE EFFECT OF ENVIRONMENTAL DEGRADATION ON INTERLAMINAR SHEAR STRENGTH OF CARBON/EPOXY COMPOSITES** Page Range: p.165-179 Author(s): Goruganthu S; Elwell J; Ramasetty A; Nair A R; Roy S; Haque A; Dutta P K; Kumar A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100429&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The durability of unidirectional carbon fibre-reinforced epoxy resin composite laminate panels under UV, hygrothermal exposure, and applied tensile stress was investigated experimentally by accelerated ageing tests with determination of interlaminar shear strength via short beam shear testing of conditioned specimens. The data are discussed in comparison with the results of simulations based on a phenomenological predictive model derived using finite element analysis, and in terms of applications in emerging facilities and infrastructure such as bridges and buildings in different climatic zones. 27 refs. --- --- Source: https://polymerjournals.com/morphological-characterisation-of-bacterial-cellulose-starch-nanocomposites/ # MORPHOLOGICAL CHARACTERISATION OF BACTERIAL CELLULOSE-STARCH NANOCOMPOSITES > Title: MORPHOLOGICAL CHARACTERISATION OF BACTERIAL CELLULOSE-STARCH NANOCOMPOSITES Page Range: p.181-185 Author(s): Grande C J; Torres F G; Gomez C M; Troncoso O P; Canet-Ferrer J; Martinez-Pastor J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/morphological-characterisation-of-bacterial-cellulose-starch-nanocomposites/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MORPHOLOGICAL CHARACTERISATION OF BACTERIAL CELLULOSE-STARCH NANOCOMPOSITES** Page Range: p.181-185 Author(s): Grande C J; Torres F G; Gomez C M; Troncoso O P; Canet-Ferrer J; Martinez-Pastor J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100430&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The preparation of bacterial cellulose-starch nanocomposites using modified Acetobacter sp. growing medium via a bottom-up technique that allows starch to be introduced into the cellulose network is described. The morphological properties of hot-pressed sheets of the nanocomposites were investigated by ESEM and AFM with data processing by image analysis, and the results are discussed in terms of network properties, such as mesh size and fibre orientation, and the analysis of fracture surfaces. 12 refs. --- --- Source: https://polymerjournals.com/bond-properties-of-glass-fibre-reinforced-polymer-dowel-bars-in-jointed-concrete/ # BOND PROPERTIES OF GLASS FIBRE-REINFORCED POLYMER DOWEL BARS IN JOINTED CONCRETE > Title: BOND PROPERTIES OF GLASS FIBRE-REINFORCED POLYMER DOWEL BARS IN JOINTED CONCRETE Page Range: p.187-192 Author(s): Park C-G; Jang C-I; Lee S-W; Won J-P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/bond-properties-of-glass-fibre-reinforced-polymer-dowel-bars-in-jointed-concrete/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BOND PROPERTIES OF GLASS FIBRE-REINFORCED POLYMER DOWEL BARS IN JOINTED CONCRETE** Page Range: p.187-192 Author(s): Park C-G; Jang C-I; Lee S-W; Won J-P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100431&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The bond properties of glass fibre-reinforced vinyl ester resin composite dowel bars of circular or elliptical cross-section installed at the transverse joints of concrete slabs were investigated experimentally using draw-out and push-back tests to simulate the repeated shrinkage and expansion movements of the concrete due to temperature and humidity changes. The effects of dowel bar size and shape on pull-out strength are discussed in terms of resistance to destruction of the concrete slabs by curling. 13 refs. --- --- Source: https://polymerjournals.com/synthetic-zinc-oxide-nanoparticles-as-curing-agent-for-polychloroprene/ # SYNTHETIC ZINC OXIDE NANOPARTICLES AS CURING AGENT FOR POLYCHLOROPRENE > Title: SYNTHETIC ZINC OXIDE NANOPARTICLES AS CURING AGENT FOR POLYCHLOROPRENE Page Range: p.193-198 Author(s): Sahoo S; Kar S; Ganguly A; Maiti M; Bhowmick A K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/synthetic-zinc-oxide-nanoparticles-as-curing-agent-for-polychloroprene/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHETIC ZINC OXIDE NANOPARTICLES AS CURING AGENT FOR POLYCHLOROPRENE** Page Range: p.193-198 Author(s): Sahoo S; Kar S; Ganguly A; Maiti M; Bhowmick A K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100432&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The curing of polychloroprene rubber using zinc oxide nanoparticles, synthesised by homogeneous precipitation from zinc nitrate and ammonium carbonate solutions followed by calcination and characterised by TEM, as curing agent was investigated by FTIR, SEM, tensile testing, DMTA and swelling studies. The mechanical and dynamic mechanical properties are discussed in comparison with those obtained using rubber grade zinc oxide in terms of crosslink density and interactions between rubber and curing agent. 28 refs. --- --- Source: https://polymerjournals.com/properties-of-glass-laminates-of-novolac-epoxy-diallyl-bisphenol-a-bismaleimide-resins/ # PROPERTIES OF GLASS LAMINATES OF NOVOLAC EPOXY – DIALLYL BISPHENOL A – BISMALEIMIDE RESINS > Title: PROPERTIES OF GLASS LAMINATES OF NOVOLAC EPOXY – DIALLYL BISPHENOL A – BISMALEIMIDE RESINS Page Range: p.199-208 Author(s): Ambika Devi K; Reghunadhan Nair C P; Viswanathan Ashari G; Ninan K N File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/properties-of-glass-laminates-of-novolac-epoxy-diallyl-bisphenol-a-bismaleimide-resins/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF GLASS LAMINATES OF NOVOLAC EPOXY – DIALLYL BISPHENOL A – BISMALEIMIDE RESINS** Page Range: p.199-208 Author(s): Ambika Devi K; Reghunadhan Nair C P; Viswanathan Ashari G; Ninan K N File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100433&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The fabrication of glass fibre-reinforced composite laminates of ternary reactive blends of novolac epoxy, 2,2'-diallyl-bisphenol A and various proportions of bisphenol A bismaleimide (BMI), and their characterisation after curing by FTIR, DSC, rheological properties, TMA, DMA, flexural, compressive and interlaminar shear strength, fracture toughness, fatigue testing, stress relaxation and fracture surface analysis (SEM), is described. The effects of BMI concentration and of the addition of poly(ethersulphone) as toughening agent on mechanical and high temperature properties of the laminates were investigated and the results are discussed. 26 refs. --- --- Source: https://polymerjournals.com/uv-resistant-performance-of-polystyrene-tio2-composite-particles-containing-organic-uv-stabiliser-groups/ # UV-RESISTANT PERFORMANCE OF POLYSTYRENE/TiO2 COMPOSITE PARTICLES CONTAINING ORGANIC UV-STABILISER GROUPS > Title: UV-RESISTANT PERFORMANCE OF POLYSTYRENE/TiO2 COMPOSITE PARTICLES CONTAINING ORGANIC UV-STABILISER GROUPS Page Range: p.209-216 Author(s): Zou J; Zhao Y; Yang M; Dan Y File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/uv-resistant-performance-of-polystyrene-tio2-composite-particles-containing-organic-uv-stabiliser-groups/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: UV-RESISTANT PERFORMANCE OF POLYSTYRENE/TiO2 COMPOSITE PARTICLES CONTAINING ORGANIC UV-STABILISER GROUPS** Page Range: p.209-216 Author(s): Zou J; Zhao Y; Yang M; Dan Y File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100434&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The synthesis of grafted composite particles by emulsion copolymerisation of styrene with sodium sulphopropyl lauryl maleate and 2-hydroxy-4-(3-methacryloxy-2-hydroxypropoxy)benzophenone with potassium peroxydisulphate as initiator in the presence of titanium dioxide nanoparticles pre-treated with 3-(trimethoxysilyl)propyl methacrylate is described. The products were characterised by UV-visible absorption and diffuse reflectance spectroscopy, weight loss after UV irradiation, DSC and GPC, and the results are discussed in comparison with those for the ternary copolymer itself, for polystyrene and for polystyrene/titanium dioxide composite in terms of resistance to UV irradiation. 16 refs. --- --- Source: https://polymerjournals.com/lead-free-stabilization-for-pvc-pipes-the-new-alternative/ # LEAD-FREE STABILIZATION FOR PVC PIPES: THE NEW ALTERNATIVE > Title: LEAD-FREE STABILIZATION FOR PVC PIPES: THE NEW ALTERNATIVE Page Range: p.217-224 Author(s): Hebrard M; Lundquist E G; Cho J-Y File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue... Canonical URL: https://polymerjournals.com/lead-free-stabilization-for-pvc-pipes-the-new-alternative/ Published: 2008-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: LEAD-FREE STABILIZATION FOR PVC PIPES: THE NEW ALTERNATIVE** Page Range: p.217-224 Author(s): Hebrard M; Lundquist E G; Cho J-Y File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-3&JournalID=100435&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.3 **Abstract** The commercial development of latent tin mercaptides blocked with organic groups as heat stabilisers for extruded poly(vinyl chloride)(PVC) pipes as a replacement for lead-based stabilisers is described. The stabilisation mechanism and performance attributes including thermal stability under processing conditions, rheology and recyclability of PVC systems containing the heat stabilisers are discussed in comparison with those for lead-containing and alternative commercial calcium-zinc based systems. 11 refs. --- --- Source: https://polymerjournals.com/continuous-consolidation-of-polypropylene-glass-fibre-commingled-fabric/ # CONTINUOUS CONSOLIDATION OF POLYPROPYLENE/GLASS FIBRE COMMINGLED FABRIC > Title: CONTINUOUS CONSOLIDATION OF POLYPROPYLENE/GLASS FIBRE COMMINGLED FABRIC Page Range: p.1-8 Author(s): Borazghi H; Trudel-Boucher D; Denault J; Fisa B File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue... Canonical URL: https://polymerjournals.com/continuous-consolidation-of-polypropylene-glass-fibre-commingled-fabric/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CONTINUOUS CONSOLIDATION OF POLYPROPYLENE/GLASS FIBRE COMMINGLED FABRIC** Page Range: p.1-8 Author(s): Borazghi H; Trudel-Boucher D; Denault J; Fisa B File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100412&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** An experimental investigation was carried out into the continuous consolidation of PP/glass fibre commingled fabric using a continuous roll forming process to determine if it was possible to obtain a quality similar to that achieved by compression moulding. Compaction trials were performed at different fabric temperatures and compaction speeds to determine the influence of these parameters on the level of consolidation. Roll forming experiments were then conducted for different combinations of roll-gap, fabric temperature and line speed and the quality of consolidation assessed by observing polished micrographs of cross-sections and determining void content and flexural properties. Composites with satisfactory quality were produced by continuous consolidation of 4 plies of 1485 g/cu.m. fabric at a rate of 0.5 m/min. 18 refs. --- --- Source: https://polymerjournals.com/thermal-exchanges-and-thermomechanical-couplings-in-amorphous-polymers/ # THERMAL EXCHANGES AND THERMOMECHANICAL COUPLINGS IN AMORPHOUS POLYMERS > Title: THERMAL EXCHANGES AND THERMOMECHANICAL COUPLINGS IN AMORPHOUS POLYMERS Page Range: p.9-17 Author(s): Germaneau A; Dupre J C File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1... Canonical URL: https://polymerjournals.com/thermal-exchanges-and-thermomechanical-couplings-in-amorphous-polymers/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL EXCHANGES AND THERMOMECHANICAL COUPLINGS IN AMORPHOUS POLYMERS** Page Range: p.9-17 Author(s): Germaneau A; Dupre J C File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100413&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** An investigation was carried out to determine energy (heat sources, mechanical energy and internal dissipated energy) during the mechanical testing of polymers from an analysis of strain and thermal data. Heat sources were calculated using a heat equation established using classical thermodynamics concepts and a technique developed to estimate thermal parameters easily without knowledge of the value of the heat source (equal to zero) whilst remaining within the framework of the heat equation. Large strain mechanical tests were carried out on a standard polycarbonate tensile specimen with a thickness equal to 4 mm and the energy balance calculated and associated with volumetric deformation. 23 refs. --- --- Source: https://polymerjournals.com/e-glass-phenolic-prepreg-processing-by-solvent-impregnation/ # E-GLASS/PHENOLIC PREPREG PROCESSING BY SOLVENT IMPREGNATION > Title: E-GLASS/PHENOLIC PREPREG PROCESSING BY SOLVENT IMPREGNATION Page Range: p.19-26 Author(s): Sohaib Akbar; Chen Yan Ding; Yousaf I; Khan H M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16... Canonical URL: https://polymerjournals.com/e-glass-phenolic-prepreg-processing-by-solvent-impregnation/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: E-GLASS/PHENOLIC PREPREG PROCESSING BY SOLVENT IMPREGNATION** Page Range: p.19-26 Author(s): Sohaib Akbar; Chen Yan Ding; Yousaf I; Khan H M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100414&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** A new approach for the design and operation of prepreg machinery is presented and its application to the production of E-glass/phenolic resin prepregs is described. The approach involves successive decreases in the pressure of squeezing rollers in the soaking zone and successive increases in the temperature of the drying zone. It was developed by conducting experiments into resin content, solvent content, extent of impregnation and tack and drape properties of prepregs prepared under different processing conditions. 26 refs. --- --- Source: https://polymerjournals.com/internal-structure-and-mechanical-properties-of-glass-fibre-reinforced-pc-abs-injection-mouldings-with-different-fibre-surface-treatments/ # INTERNAL STRUCTURE AND MECHANICAL PROPERTIES OF GLASS FIBRE REINFORCED PC/ABS INJECTION MOULDINGS WITH DIFFERENT FIBRE SURFACE TREATMENTS > Title: INTERNAL STRUCTURE AND MECHANICAL PROPERTIES OF GLASS FIBRE REINFORCED PC/ABS INJECTION MOULDINGS WITH DIFFERENT FIBRE SURFACE TREATMENTS Page Range: p.27-33 Author(s): Mizoguchi M; Umemura T; Takasima S; Otsuki S; Bin Yang; Kuriyama T; Yew Wei Leong; Hamada H File size: Download... Canonical URL: https://polymerjournals.com/internal-structure-and-mechanical-properties-of-glass-fibre-reinforced-pc-abs-injection-mouldings-with-different-fibre-surface-treatments/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERNAL STRUCTURE AND MECHANICAL PROPERTIES OF GLASS FIBRE REINFORCED PC/ABS INJECTION MOULDINGS WITH DIFFERENT FIBRE SURFACE TREATMENTS** Page Range: p.27-33 Author(s): Mizoguchi M; Umemura T; Takasima S; Otsuki S; Bin Yang; Kuriyama T; Yew Wei Leong; Hamada H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100415&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** Three grades of commercially available glass fibres were subjected to surface treatments specially formulated and optimised to enhance the affinity of the fibre surfaces to either the polycarbonate phase, ABS phase or both phases of polycarbonate/ABS composites made therefrom and the effect of the surface treatments on the mechanical properties of the composites investigated through microstructural observations. Fibre length distribution, fibre orientation and morphological properties of the fibre-matrix interfacial regions were examined and correlated with the mechanical properties of the composites obtained by three-point bending and Charpy impact testing. --- --- Source: https://polymerjournals.com/silicon-organic-polyepoxides-with-epoxy-side-groups-modified-with-chelates/ # SILICON-ORGANIC POLYEPOXIDES WITH EPOXY SIDE GROUPS MODIFIED WITH CHELATES > Title: SILICON-ORGANIC POLYEPOXIDES WITH EPOXY SIDE GROUPS MODIFIED WITH CHELATES Page Range: p.35-46 Author(s): Lekishvili N; Samakashvili S; Lekishvili G File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue... Canonical URL: https://polymerjournals.com/silicon-organic-polyepoxides-with-epoxy-side-groups-modified-with-chelates/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SILICON-ORGANIC POLYEPOXIDES WITH EPOXY SIDE GROUPS MODIFIED WITH CHELATES** Page Range: p.35-46 Author(s): Lekishvili N; Samakashvili S; Lekishvili G File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100416&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** Novel silicon-organic polyepoxides with epoxy side groups attached to the main chain were synthesised by the hydrosilylation of dihydrosiloxanes with a diallyl ether of an epoxidised glycerol. Reaction rate constants and reaction order were determined and the effect of the structure of the monomers with terminal Si-H groups on reaction rate constants, yield and properties of the polyepoxides investigated. The polyepoxides were modified with chelates containing copper, nickel, manganese and cobalt atoms in the main chain and the modified polyepoxides characterised by elemental analysis, IR spectroscopy, NMR spectroscopy, wide angle X-ray diffraction and differential scanning calorimetry. 26 refs. --- --- Source: https://polymerjournals.com/molecularly-imprinted-polymer-using-the-template-monomer-strategy-towards-a-highly-selective-sorbent/ # MOLECULARLY IMPRINTED POLYMER: USING THE TEMPLATE-MONOMER STRATEGY TOWARDS A HIGHLY SELECTIVE SORBENT > Title: MOLECULARLY IMPRINTED POLYMER: USING THE TEMPLATE-MONOMER STRATEGY TOWARDS A HIGHLY SELECTIVE SORBENT Page Range: p.47-54 Author(s): Mingxia Zheng; Songjun Li; Jianming Zhang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/molecularly-imprinted-polymer-using-the-template-monomer-strategy-towards-a-highly-selective-sorbent/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MOLECULARLY IMPRINTED POLYMER: USING THE TEMPLATE-MONOMER STRATEGY TOWARDS A HIGHLY SELECTIVE SORBENT** Page Range: p.47-54 Author(s): Mingxia Zheng; Songjun Li; Jianming Zhang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100417&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** The design of a molecularly imprinted polymer highly recognisable to Bisphenol A is described and the ability of polymer to discriminate Bisphenol A from its analogue, dihydroxybenzophenone, demonstrated by adsorption tests. The imprinted polymer is synthesised using Bisphenol A dimethacrylate as the polymerisable monomer and the binding framework is generated by releasing the Bisphenol A from the precursor. It is shown that adsorption by this polymer fits the Freundlich and Temkin models well but not the Langmuir model. 22 refs. --- --- Source: https://polymerjournals.com/nir-spectroscopy-a-useful-tool-for-quality-control-of-glass-phenolic-prepreg-manufacture/ # NIR SPECTROSCOPY: A USEFUL TOOL FOR QUALITY CONTROL OF GLASS/PHENOLIC PREPREG MANUFACTURE > Title: NIR SPECTROSCOPY: A USEFUL TOOL FOR QUALITY CONTROL OF GLASS/PHENOLIC PREPREG MANUFACTURE Page Range: p.55-62 Author(s): Wei Li; Yu Dong Huang; Ping Chen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/nir-spectroscopy-a-useful-tool-for-quality-control-of-glass-phenolic-prepreg-manufacture/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NIR SPECTROSCOPY: A USEFUL TOOL FOR QUALITY CONTROL OF GLASS/PHENOLIC PREPREG MANUFACTURE** Page Range: p.55-62 Author(s): Wei Li; Yu Dong Huang; Ping Chen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100418&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** The development of a technique to control the on-line quality of glass/phenolic prepreg cloth using near-infrared (NIR) spectroscopy is reported. This was achieved by the establishment of calibration models for resin content, volatile content and degree of pre-cure using partial least squares regression and testing of several spectral pretreatments to obtain optimum models. Application of the technique to investigate the relationship between resin content, volatile content and degree of pre-cure and various processing parameters is demonstrated and quality control realised by adjusting the appropriate processing parameters. 23 refs. --- --- Source: https://polymerjournals.com/electrical-and-mechanical-properties-of-carbon-black-filled-polystyrene-co-butyl-acrylate-latex-reinforced-polyester-nonwoven-composites/ # ELECTRICAL AND MECHANICAL PROPERTIES OF CARBON BLACK-FILLED POLY(STYRENE-CO-BUTYL ACRYLATE) LATEX REINFORCED POLYESTER NONWOVEN COMPOSITES > Title: ELECTRICAL AND MECHANICAL PROPERTIES OF CARBON BLACK-FILLED POLY(STYRENE-CO-BUTYL ACRYLATE) LATEX REINFORCED POLYESTER NONWOVEN COMPOSITES Page Range: p.63-69 Author(s): Satheesh Kumar M N; Siddaramaiah File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/electrical-and-mechanical-properties-of-carbon-black-filled-polystyrene-co-butyl-acrylate-latex-reinforced-polyester-nonwoven-composites/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTRICAL AND MECHANICAL PROPERTIES OF CARBON BLACK-FILLED POLY(STYRENE-CO-BUTYL ACRYLATE) LATEX REINFORCED POLYESTER NONWOVEN COMPOSITES** Page Range: p.63-69 Author(s): Satheesh Kumar M N; Siddaramaiah File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100419&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** Composites for antistatic applications were fabricated by impregnating polyester non-woven fabrics with aqueous carbon black-filled poly(styrene-co-butyl acrylate) latex and the effect of the amount of carbon black on the mechanical and electrical properties of the composites investigated. Properties evaluated included tensile strength, stitch tear strength, surface hardness, percentage elongation, dielectric constant, dissipation factor and loss factor. --- --- Source: https://polymerjournals.com/a-new-method-for-testing-and-evaluating-the-long-term-resistance-to-oxidation-of-polyolefinic-products/ # A NEW METHOD FOR TESTING AND EVALUATING THE LONG-TERM RESISTANCE TO OXIDATION OF POLYOLEFINIC PRODUCTS > Title: A NEW METHOD FOR TESTING AND EVALUATING THE LONG-TERM RESISTANCE TO OXIDATION OF POLYOLEFINIC PRODUCTS Page Range: p.71-79 Author(s): Schroeder H F; Munz M; Boehning M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/a-new-method-for-testing-and-evaluating-the-long-term-resistance-to-oxidation-of-polyolefinic-products/ Published: 2008-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NEW METHOD FOR TESTING AND EVALUATING THE LONG-TERM RESISTANCE TO OXIDATION OF POLYOLEFINIC PRODUCTS** Page Range: p.71-79 Author(s): Schroeder H F; Munz M; Boehning M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc16-1&JournalID=100420&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 16 Issue No: No.1 **Abstract** A report is presented on the development of a test for determining the long-term oxidation resistance of polyolefin materials, which is accelerated not only by elevated temperatures but also by increased oxygen pressure and a stirred aqueous medium. The method permits durability tests to be carried out at markedly lower temperatures with reasonable testing durations and significantly reduced diffusion limited oxidation effects and allows for physical and chemical impacts of aqueous media. Oxidative durability can be assessed by autoclave immersion exposures at three different temperatures (60, 70 and 80 degrees C) and 50 bar oxygen pressure and at 80 degrees C and two different oxygen pressures (usually 10 and 20 bar). Accelerated test data are evaluated by modified Arrhenius equations with the application of a three-dimensional regression analysis. The application of the test method to various materials, including PP non-woven materials and geosynthetics is demonstrated. 10 refs. --- --- Source: https://polymerjournals.com/the-design-and-manufacture-of-advanced-3d-woven-hybrid-composite-materials/ # THE DESIGN AND MANUFACTURE OF ADVANCED 3D WOVEN HYBRID COMPOSITE MATERIALS > Title: THE DESIGN AND MANUFACTURE OF ADVANCED 3D WOVEN HYBRID COMPOSITE MATERIALS Page Range: p.597-604 Author(s): Quinn J P; Mcllhagger A T; Mcllhagger R; Ridgeway K; Ganeshmal M; King R S; Stewart G File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/the-design-and-manufacture-of-advanced-3d-woven-hybrid-composite-materials/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE DESIGN AND MANUFACTURE OF ADVANCED 3D WOVEN HYBRID COMPOSITE MATERIALS** Page Range: p.597-604 Author(s): Quinn J P; Mcllhagger A T; Mcllhagger R; Ridgeway K; Ganeshmal M; King R S; Stewart G File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100403&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** The viability and potential benefits of three-dimensional (3D) woven textile reinforcements with metallic yarns integrated into the structure were examined. Hybrid 3D woven composite materials were produced using carbon fibre and aluminium wire, and subsequently impregnated with a two-part aerospace epoxy resin system. The areal density and hence the preform weight increased on introduction of the aluminium wire, whereas the flexural strength and modulus showed little change. The post-impact compressive strength was significantly greater than that of a carbon-fibre composite. 19 refs. --- --- Source: https://polymerjournals.com/preparation-and-conductivity-of-polyaniline-sio2-composites/ # PREPARATION AND CONDUCTIVITY OF POLYANILINE/SiO2 COMPOSITES > Title: PREPARATION AND CONDUCTIVITY OF POLYANILINE/SiO2 COMPOSITES Page Range: p.605-610 Author(s): Qunwei Tang; Jihuai Wu; Haiyong Ao; Hui Sun; Lin Lin; Jianming Lin File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-and-conductivity-of-polyaniline-sio2-composites/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CONDUCTIVITY OF POLYANILINE/SiO2 COMPOSITES** Page Range: p.605-610 Author(s): Qunwei Tang; Jihuai Wu; Haiyong Ao; Hui Sun; Lin Lin; Jianming Lin File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100404&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** A novel polyaniline/silica composite with a conductivity of 0.26 S/cm was prepared by polymerisation of aniline monomer in the presence of ultrafine silica powder in aqueous solution containing hydrochloric acid as a dopant and ammonium persulphate (APS) as the initiator and oxidant. The reaction conditions were optimised at a mass ratio of SiO"2 to aniline of 20.0, a molar ratio of APS to aniline of 1.0, and a reaction temperature of 25 deg.C for 6 h. The conductivity of the composites remained fairly stable on storage for 50 days. 32 refs. --- --- Source: https://polymerjournals.com/preparation-and-stability-of-copper-particles-formed-using-amino-terminated-dendrimer-as-template/ # PREPARATION AND STABILITY OF COPPER PARTICLES FORMED USING AMINO-TERMINATED DENDRIMER AS TEMPLATE > Title: PREPARATION AND STABILITY OF COPPER PARTICLES FORMED USING AMINO-TERMINATED DENDRIMER AS TEMPLATE Page Range: p.611-617 Author(s): Xiuzhen Wei; Baoku Zhu; Youyi Xu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-and-stability-of-copper-particles-formed-using-amino-terminated-dendrimer-as-template/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND STABILITY OF COPPER PARTICLES FORMED USING AMINO-TERMINATED DENDRIMER AS TEMPLATE** Page Range: p.611-617 Author(s): Xiuzhen Wei; Baoku Zhu; Youyi Xu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100405&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** Amine-terminated seventh-generation dendrimers (G7-NH"2) were synthesised and used to study the interior and exterior template processes for the preparation of copper particles. The absorption properties of the G7-NH2(Cu^2^+)"n complexes and the morphology of G7-NH"2(Cu)n composite particles were examined by means of UV spectroscopy and transmission electron microscopy, respectively. Unlike the case in which dendrimers with hydroxyl end-groups are used, copper particles could be prepared by the exterior template process. Both the size of the copper particles and their tendency to aggregate increased with increasing Cu^2^+/G7-NH"2 molar ratio. The copper particles were stable under oxygen-free conditions and could easily be oxidised to G7-NH"2(Cu^2^+) complex ions in the presence of oxygen. 30 refs. --- --- Source: https://polymerjournals.com/composites-of-rice-husk-wheat-straw-with-pmdi-resin-and-polypropylene/ # COMPOSITES OF RICE HUSK/WHEAT STRAW WITH PMDI RESIN AND POLYPROPYLENE > Title: COMPOSITES OF RICE HUSK/WHEAT STRAW WITH PMDI RESIN AND POLYPROPYLENE Page Range: p.619-625 Author(s): Frounchi M; Dadbin S; Jahanbakhsh J; Janat-Alipour M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/composites-of-rice-husk-wheat-straw-with-pmdi-resin-and-polypropylene/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPOSITES OF RICE HUSK/WHEAT STRAW WITH PMDI RESIN AND POLYPROPYLENE** Page Range: p.619-625 Author(s): Frounchi M; Dadbin S; Jahanbakhsh J; Janat-Alipour M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100406&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** Composites of wheat straw and, optionally, rice husk fibres with polymeric methylene diphenyl diisocyanate resin (pMDI) as a binder made by compression moulding (Type I particleboard) and composites of rice husk and polypropylene made by extrusion and injection moulding (Type II particleboard) were prepared and characterised by a range of methods. In Type I particleboard, the physical and mechanical properties improved with increasing binder content until an optimum level of binder content was reached. Particleboards made of wheat straw blended with 6% pMDI showed a maximum modulus of elasticity. Dimensional stability and water absorption of particle-boards made by combining wheat straw and rice husks were superior to those made only from wheat straw. In Type II particleboards, the nonpolar polypropylene had poor affinity with rice husk, resulting in poor interfacial adhesion and poor mechanical properties. The interfacial adhesion was improved by using trimethoxy(vinyl)silane as a coupling agent and maleic anhydride-grafted polypropylene (MAPP) as a compatibiliser. This allowed effective transfer of mechanical stress through boundary regions, as demonstrated by an improvement in the mechanical properties. The best impact strength result was achieved with a combination of 1.5 wt% silane and 5 wt% MAPP in all-rice husk composites. 17 refs. --- --- Source: https://polymerjournals.com/morphology-and-rheological-properties-of-polyethylene-polystyrene-blends/ # MORPHOLOGY AND RHEOLOGICAL PROPERTIES OF POLYETHYLENE/POLYSTYRENE BLENDS > Title: MORPHOLOGY AND RHEOLOGICAL PROPERTIES OF POLYETHYLENE/POLYSTYRENE BLENDS Page Range: p.627-632 Author(s): Kossentini-Kallel T; Massardier-Nageotte V; Jaziri M; Gerard J-F; Elleuch B File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/morphology-and-rheological-properties-of-polyethylene-polystyrene-blends/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MORPHOLOGY AND RHEOLOGICAL PROPERTIES OF POLYETHYLENE/POLYSTYRENE BLENDS** Page Range: p.627-632 Author(s): Kossentini-Kallel T; Massardier-Nageotte V; Jaziri M; Gerard J-F; Elleuch B File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100407&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** The evolution of the morphology and rheological properties of polyethylene/polystyrene blends with various compositions was examined over the full range of compositions. The blends were prepared by using a single-screw extruder to simulate a convenient industrial process. Adhesion between the two phases was poor. The morphology and rheological properties of the blends were dependent on their composition. 18 refs. --- --- Source: https://polymerjournals.com/mechanical-and-thermal-properties-of-polylactic-acid-starch-montmorillonite-biodegradable-blends/ # MECHANICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/STARCH/ MONTMORILLONITE BIODEGRADABLE BLENDS > Title: MECHANICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/STARCH/ MONTMORILLONITE BIODEGRADABLE BLENDS Page Range: p.633-638 Author(s): Jie Ren; Zichao Liu; Tianbin Ren File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15... Canonical URL: https://polymerjournals.com/mechanical-and-thermal-properties-of-polylactic-acid-starch-montmorillonite-biodegradable-blends/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL AND THERMAL PROPERTIES OF POLY(LACTIC ACID)/STARCH/ MONTMORILLONITE BIODEGRADABLE BLENDS** Page Range: p.633-638 Author(s): Jie Ren; Zichao Liu; Tianbin Ren File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100408&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** Biodegradable blends of poly(lactic acid) (PLA), starch, and montmorillonite (MMT) were prepared in a twin-screw extruder and the effects of MMT content on the mechanical and thermal properties of the blends were studied. The microstructure of the composites was examined by means of wide-angle X-ray diffraction and transmission electron microscopy. The blends had a stacked and intercalated/flocculated structure. Blends of PLA and starch with MMT showed a lower crystallisation temperature than those lacking MMT, suggesting that MMT facilitates the crystallisation of PLA. The melting temperature of PLA was not significantly affected by the addition of MMT. The blends had a high tensile strength of approximately 40 MPa and a high flexural strength of approximately 80 MPa. The maximum tensile and flexural strengths were obtained at an MMT content of 2 wt%. The absorption of water by blends containing MMT was lower than those lacking MMT. 25 refs. --- --- Source: https://polymerjournals.com/characterisation-and-properties-of-abs-nanocomposite-prepared-from-functionalised-montmorillonite-masterbatches/ # CHARACTERISATION AND PROPERTIES OF ABS NANOCOMPOSITE PREPARED FROM FUNCTIONALISED MONTMORILLONITE MASTERBATCHES > Title: CHARACTERISATION AND PROPERTIES OF ABS NANOCOMPOSITE PREPARED FROM FUNCTIONALISED MONTMORILLONITE MASTERBATCHES Page Range: p.639-646 Author(s): Ying Xi'a; Xiaowei Duan; Jianfeng Li; Jianzhu Han; Xigao Jian File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/characterisation-and-properties-of-abs-nanocomposite-prepared-from-functionalised-montmorillonite-masterbatches/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERISATION AND PROPERTIES OF ABS NANOCOMPOSITE PREPARED FROM FUNCTIONALISED MONTMORILLONITE MASTERBATCHES** Page Range: p.639-646 Author(s): Ying Xi'a; Xiaowei Duan; Jianfeng Li; Jianzhu Han; Xigao Jian File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100409&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** Exfoliated acrylonitrile-butadiene-styrene (ABS) nanocomposites were produced in two steps by preparing of a functionalised montmorillonite masterbatch (FMMT) that was then melt blended with ABS. The FMMT was prepared by adding acrylamide monomer (AA), organic-MMT (OMMT), and dibenzoyl peroxide (BPO) as an initiator to a solution of ABS carrier in 1,2-dichloroethane. IR spectroscopy, x-ray diffraction and transmission electron microscopy showed that AA was successfully grafted onto ABS. When the FMMT was blended with ABS, the resulting ABS/FMMT composite had an exfoliated morphology. The thermal properties of the ABS/FMMT nanocomposite were superior to those of pure ABS and ABS/OMMT nanocomposites prepared by direct melt blending of OMMT with ABS. The increase in interfacial interaction and compatibility between the ABS matrix and the FMMT resulted in a marked improvement in the mechanical properties. The tensile modulus and strength were superior to those of ABS/ OMMT, and the decrease in impact strength caused by OMMT was moderated. 29 refs. --- --- Source: https://polymerjournals.com/mechanical-characterisation-of-polyurethane-clay-nanocomposites/ # MECHANICAL CHARACTERISATION OF POLYURETHANE/CLAY NANOCOMPOSITES > Title: MECHANICAL CHARACTERISATION OF POLYURETHANE/CLAY NANOCOMPOSITES Page Range: p.647-652 Author(s): Rihayat T; Saari M; Mahmood M H; Yunus W M Z W; Suraya A R; Dahlan K Z H M; Sapuan S M File size: Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/mechanical-characterisation-of-polyurethane-clay-nanocomposites/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL CHARACTERISATION OF POLYURETHANE/CLAY NANOCOMPOSITES** Page Range: p.647-652 Author(s): Rihayat T; Saari M; Mahmood M H; Yunus W M Z W; Suraya A R; Dahlan K Z H M; Sapuan S M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100410&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** Polyurethane/clay nanocomposites were synthesised from renewable sources. A polyether polyol, prepared from palm oil-based oleic acid and glycerol, was used to produce a polyurethane by treatment with an isocyanate with dodecylbenzenesulphonic acid as a catalyst and emulsifier. An unmodified clay (kunipia-F) was treated with cetyltrimethylammonium bromide (CTAB-mont) or octadodecylamine (ODA-mont). The d-spacings in CTAB-mont and ODA-mont were 1.571 and 1.798 nm, respectively. The organoclays were intercalated in the polyurethane, as confirmed by a wide angle x-ray diffraction studies. Addition of 1-5 wt% of organoclay produced the most significant improvements in tensile properties and glass transition temperature. 19 refs. --- --- Source: https://polymerjournals.com/the-crashworthiness-behaviour-of-filament-wound-hexagonal-glass-fibre-epoxy-composite-tubes/ # THE CRASHWORTHINESS BEHAVIOUR OF FILAMENT WOUND HEXAGONAL GLASS FIBRE EPOXY COMPOSITE TUBES > Title: THE CRASHWORTHINESS BEHAVIOUR OF FILAMENT WOUND HEXAGONAL GLASS FIBRE EPOXY COMPOSITE TUBES Page Range: p.653-654 Author(s): Alkbir M F M; Hamouda A M S; Sapuan S M; Mahdi E File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/the-crashworthiness-behaviour-of-filament-wound-hexagonal-glass-fibre-epoxy-composite-tubes/ Published: 2007-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE CRASHWORTHINESS BEHAVIOUR OF FILAMENT WOUND HEXAGONAL GLASS FIBRE EPOXY COMPOSITE TUBES** Page Range: p.653-654 Author(s): Alkbir M F M; Hamouda A M S; Sapuan S M; Mahdi E File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-8&JournalID=100411&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.8 **Abstract** The crashworthiness parameters with reference to the axial direction was examined for filament-wound hexagonal glass/epoxy composite tubes 45-mm long and with a hexagonal angle of 45 degrees for use in automobiles. The energy-absorption properties and load-carrying capacity of the resulting assemblies were determined under a quasi-static axial compressive load. The quasi-static axial crushing behaviour of the composite tubes was markedly affected by the post-crushing stage; the tubes showed high crashworthiness parameters. 1 ref. --- --- Source: https://polymerjournals.com/impact-of-processing-parameters-and-tapering-of-injection-chamber-walls-in-resin-injection-pultrusion/ # IMPACT OF PROCESSING PARAMETERS AND TAPERING OF INJECTION CHAMBER WALLS IN RESIN INJECTION PULTRUSION > Title: IMPACT OF PROCESSING PARAMETERS AND TAPERING OF INJECTION CHAMBER WALLS IN RESIN INJECTION PULTRUSION Page Range: p.507-519 Author(s): Jeswani A L; Roux J A File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/impact-of-processing-parameters-and-tapering-of-injection-chamber-walls-in-resin-injection-pultrusion/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPACT OF PROCESSING PARAMETERS AND TAPERING OF INJECTION CHAMBER WALLS IN RESIN INJECTION PULTRUSION** Page Range: p.507-519 Author(s): Jeswani A L; Roux J A File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100394&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The effects of processing conditions and tapering of the injection chamber on wet-out of dry glass fibre roving reinforcements by the liquid polyester resin in the tapered injection pultrusion process were studied by modelling using a three-dimensional finite volume technique with fibre pull speed, fibre volume fraction and resin velocity as process parameters. The impact of tapering of the injection chamber on the minimum injection pressure necessary to achieve complete fibre matrix wet-out and the resin pressure at the injection chamber exit are discussed in terms of chamber design. 18 refs. --- --- Source: https://polymerjournals.com/incremental-damage-development-in-a-3d-woven-carbon-fibre-composite/ # INCREMENTAL DAMAGE DEVELOPMENT IN A 3D WOVEN CARBON FIBRE COMPOSITE > Title: INCREMENTAL DAMAGE DEVELOPMENT IN A 3D WOVEN CARBON FIBRE COMPOSITE Page Range: p.521-533 Author(s): King S; Stewart G; McIlhagger A T; Quinn J P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/incremental-damage-development-in-a-3d-woven-carbon-fibre-composite/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INCREMENTAL DAMAGE DEVELOPMENT IN A 3D WOVEN CARBON FIBRE COMPOSITE** Page Range: p.521-533 Author(s): King S; Stewart G; McIlhagger A T; Quinn J P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100395&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** Damage initiation and subsequent incremental damage development in three-dimensional woven carbon fibre-reinforced epoxy resin composites fabricated by vacuum-assisted resin transfer moulding was investigated experimentally by interlaminar shear strength measurements combined with optical microscopy. The effects of the location of the applied loading and through-the-thickness reinforcement on damage threshold and development are discussed in terms of the presence of resin-rich areas. 17 refs. --- --- Source: https://polymerjournals.com/an-investigation-into-the-effect-of-compaction-on-the-mechanical-performance-of-a-3d-reinforced-advanced-composite/ # AN INVESTIGATION INTO THE EFFECT OF COMPACTION ON THE MECHANICAL PERFORMANCE OF A 3D REINFORCED ADVANCED COMPOSITE > Title: AN INVESTIGATION INTO THE EFFECT OF COMPACTION ON THE MECHANICAL PERFORMANCE OF A 3D REINFORCED ADVANCED COMPOSITE Page Range: p.535-543 Author(s): Stewart G; McIlhagger A T; Quinn J P; King S File size: Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/an-investigation-into-the-effect-of-compaction-on-the-mechanical-performance-of-a-3d-reinforced-advanced-composite/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AN INVESTIGATION INTO THE EFFECT OF COMPACTION ON THE MECHANICAL PERFORMANCE OF A 3D REINFORCED ADVANCED COMPOSITE** Page Range: p.535-543 Author(s): Stewart G; McIlhagger A T; Quinn J P; King S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100396&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The effects of increased fibre volume fraction via compaction on the structure and mechanical properties of three-dimensional woven carbon fibre reinforced epoxy resin composites with through-the-thickness binder tows fabricated using vacuum-assisted resin transfer moulding were investigated by interlaminar shear strength and flexural testing combined with optical microscopy. The results are discussed in terms of distortion of the woven fabric structure with increasing compaction, characterised by decreasing inter-tow distances, nesting and tow deformation. 50 refs. --- --- Source: https://polymerjournals.com/influence-of-citric-acid-on-the-properties-of-glycerol-plasticised-cornstarch-extrusion-blends/ # INFLUENCE OF CITRIC ACID ON THE PROPERTIES OF GLYCEROL-PLASTICISED CORNSTARCH EXTRUSION BLENDS > Title: INFLUENCE OF CITRIC ACID ON THE PROPERTIES OF GLYCEROL-PLASTICISED CORNSTARCH EXTRUSION BLENDS Page Range: p.545-552 Author(s): Wang N; Yu J; Han C File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/influence-of-citric-acid-on-the-properties-of-glycerol-plasticised-cornstarch-extrusion-blends/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF CITRIC ACID ON THE PROPERTIES OF GLYCEROL-PLASTICISED CORNSTARCH EXTRUSION BLENDS** Page Range: p.545-552 Author(s): Wang N; Yu J; Han C File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100397&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The effects of citric acid on the properties of glycerol-plasticised dry thermoplastic corn-starch prepared using a single-screw extruder were investigated by SEM, capillary viscometry, FTIR, tensile testing, DMTA and water absorption. The results are discussed in comparison with thermoplastic starch plasticized with glycerol and water in terms of hydrogen bonding interactions between glycerol and starch. 14 refs. --- --- Source: https://polymerjournals.com/detection-and-estimation-of-monomeric-eluates-from-polymethyl-methacrylate-resin-of-various-polymerisation-modes/ # DETECTION AND ESTIMATION OF MONOMERIC ELUATES FROM POLY(METHYL METHACRYLATE) RESIN OF VARIOUS POLYMERISATION MODES > Title: DETECTION AND ESTIMATION OF MONOMERIC ELUATES FROM POLY(METHYL METHACRYLATE) RESIN OF VARIOUS POLYMERISATION MODES Page Range: p.553-560 Author(s): Amin W M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/detection-and-estimation-of-monomeric-eluates-from-polymethyl-methacrylate-resin-of-various-polymerisation-modes/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DETECTION AND ESTIMATION OF MONOMERIC ELUATES FROM POLY(METHYL METHACRYLATE) RESIN OF VARIOUS POLYMERISATION MODES** Page Range: p.553-560 Author(s): Amin W M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100398&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The leaching into water or artificial saliva of residual methacrylic acid and methyl methacrylate monomers from poly(methyl methacrylate)(PMMA) plates synthesised by different polymerisation methods, including auto-polymerisation, thermal polymerisation and microwave-assisted polymerisation, was investigated by HPLC coupled to a UV detector. The results are discussed in terms of methods of reducing possible health hazards resulting from leaching of residual monomers from PMMA denture bases. 47 refs. --- --- Source: https://polymerjournals.com/non-isothermal-crystallisation-kinetics-of-polyamide-6-mesoporous-silica-nanocomposites/ # NON-ISOTHERMAL CRYSTALLISATION KINETICS OF POLYAMIDE 6/MESOPOROUS SILICA NANOCOMPOSITES > Title: NON-ISOTHERMAL CRYSTALLISATION KINETICS OF POLYAMIDE 6/MESOPOROUS SILICA NANOCOMPOSITES Page Range: p.561-567 Author(s): Hu Q; Ji X; Lu Y File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No:... Canonical URL: https://polymerjournals.com/non-isothermal-crystallisation-kinetics-of-polyamide-6-mesoporous-silica-nanocomposites/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NON-ISOTHERMAL CRYSTALLISATION KINETICS OF POLYAMIDE 6/MESOPOROUS SILICA NANOCOMPOSITES** Page Range: p.561-567 Author(s): Hu Q; Ji X; Lu Y File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100399&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The non-isothermal crystallisation kinetics of nanocomposites of polyamide-6 with various proportions of mesoporous silica filler particles was investigated at different cooling rates using DSC and by SEM of fracture surfaces, and data was analysed according to the Mandelkern, Jeziorny-Ziabicki and Ozawa models. Analysis of the Avrami exponent is discussed in terms of the effects of filler content on the mechanism of nucleation and growth of polymer crystallites. 31 refs. --- --- Source: https://polymerjournals.com/bond-behaviour-of-frp-reinforcing-bars-in-high-strength-steel-fibre-reinforced-concrete/ # BOND BEHAVIOUR OF FRP REINFORCING BARS IN HIGH-STRENGTH STEEL FIBRE-REINFORCED CONCRETE > Title: BOND BEHAVIOUR OF FRP REINFORCING BARS IN HIGH-STRENGTH STEEL FIBRE-REINFORCED CONCRETE Page Range: p.569-578 Author(s): Won J-P; Park C-G; Kim H-H; Lee S-W; Won C File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/bond-behaviour-of-frp-reinforcing-bars-in-high-strength-steel-fibre-reinforced-concrete/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BOND BEHAVIOUR OF FRP REINFORCING BARS IN HIGH-STRENGTH STEEL FIBRE-REINFORCED CONCRETE** Page Range: p.569-578 Author(s): Won J-P; Park C-G; Kim H-H; Lee S-W; Won C File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100400&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The bond behaviour of two different types of carbon fibre-reinforced vinyl ester resin reinforcing bars in high-strength steel fibre-reinforced concrete was investigated by compressive strength, tensile strength and pull-out tests. The effects of the addition of different proportions of steel fibre on mechanical properties and bond strength were studied and the results are discussed in terms of reduction in microcracks at the interface between concrete matrix and reinforcing bar. 23 refs. --- --- Source: https://polymerjournals.com/preparation-and-optimisation-of-polyethersulfone-based-composite-membranes-for-air-separation-at-low-pressures/ # PREPARATION AND OPTIMISATION OF POLYETHERSULFONE-BASED COMPOSITE MEMBRANES FOR AIR SEPARATION AT LOW PRESSURES > Title: PREPARATION AND OPTIMISATION OF POLYETHERSULFONE-BASED COMPOSITE MEMBRANES FOR AIR SEPARATION AT LOW PRESSURES Page Range: p.579-589 Author(s): Madaeni S S; Esmaeili M; Barzin J File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-and-optimisation-of-polyethersulfone-based-composite-membranes-for-air-separation-at-low-pressures/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND OPTIMISATION OF POLYETHERSULFONE-BASED COMPOSITE MEMBRANES FOR AIR SEPARATION AT LOW PRESSURES** Page Range: p.579-589 Author(s): Madaeni S S; Esmaeili M; Barzin J File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100401&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The fabrication by dip coating with solutions of different concentrations of the glassy polymers, ethyl cellulose, poly(vinyl alcohol) and polystyrene of composite membranes based on poly(ether sulphone) supports prepared by a phase inversion and solution casting process, and their characterisation by SEM, FTIR and gas separation performance, is described. The effects of different polymer coatings on oxygen, nitrogen and air permeability and selectivity were studied and the results are discussed. 21 refs. --- --- Source: https://polymerjournals.com/flame-retardant-polyethylene-with-intumescent-system-containing-macromolecule-encapsulated-low-molecular-weight-charring-agent/ # FLAME RETARDANT POLYETHYLENE WITH INTUMESCENT SYSTEM CONTAINING MACROMOLECULE-ENCAPSULATED LOW MOLECULAR WEIGHT CHARRING AGENT > Title: FLAME RETARDANT POLYETHYLENE WITH INTUMESCENT SYSTEM CONTAINING MACROMOLECULE-ENCAPSULATED LOW MOLECULAR WEIGHT CHARRING AGENT Page Range: p.591-596 Author(s): Liu M; Huang X; Liu Y; Wang Q File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/flame-retardant-polyethylene-with-intumescent-system-containing-macromolecule-encapsulated-low-molecular-weight-charring-agent/ Published: 2007-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLAME RETARDANT POLYETHYLENE WITH INTUMESCENT SYSTEM CONTAINING MACROMOLECULE-ENCAPSULATED LOW MOLECULAR WEIGHT CHARRING AGENT** Page Range: p.591-596 Author(s): Liu M; Huang X; Liu Y; Wang Q File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-7&JournalID=100402&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.7 **Abstract** The development of a composite intumescent flame retardant system for high density polyethylene based on a charring agent, pentaerythritol, encapsulated by thermoplastic polyurethane, is described. The synergistic effects of other common flame retardants including melamine phosphate, melamine polyphosphate and ammonium polyphosphate with the composite system were investigated by limiting oxygen index and vertical burning tests, TGA, water absorption and TEM, and the results are discussed in terms of optimisation of flame retardance effects. 23 refs. --- --- Source: https://polymerjournals.com/processing-impact-response-and-damage-characterisation-of-plain-weave-carbon-epoxy-nanoclay-nanocomposites/ # PROCESSING, IMPACT RESPONSE AND DAMAGE CHARACTERISATION OF PLAIN-WEAVE CARBON/EPOXY-NANOCLAY NANOCOMPOSITES > Title: PROCESSING, IMPACT RESPONSE AND DAMAGE CHARACTERISATION OF PLAIN-WEAVE CARBON/EPOXY-NANOCLAY NANOCOMPOSITES Page Range: p.425-435 Author(s): Chowdhury F H; Hosur M V; Jeelani S File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/processing-impact-response-and-damage-characterisation-of-plain-weave-carbon-epoxy-nanoclay-nanocomposites/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROCESSING, IMPACT RESPONSE AND DAMAGE CHARACTERISATION OF PLAIN-WEAVE CARBON/EPOXY-NANOCLAY NANOCOMPOSITES** Page Range: p.425-435 Author(s): Chowdhury F H; Hosur M V; Jeelani S File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100385&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** An organically modified montmorillonite nanoclay was used to modify a toughened epoxy system using ultrasonic cavitation and 15-layer plain weave carbon/epoxy composites fabricated therefrom by hand lay-up followed by vacuum bag moulding. The basal spacing between the clay galleries was investigated by X-ray diffraction and low velocity impact tests carried out on samples cut from the composites using an instrumented drop-weight tower device. Transient responses of the samples were recorded and analysed in terms of load energy versus time relations and impact damage characterised by ultrasonic C-scanning. 16 refs. --- --- Source: https://polymerjournals.com/a-study-of-the-mechanics-of-porous-plga-85-15-scaffold-in-compression/ # A STUDY OF THE MECHANICS OF POROUS PLGA 85/15 SCAFFOLD IN COMPRESSION > Title: A STUDY OF THE MECHANICS OF POROUS PLGA 85/15 SCAFFOLD IN COMPRESSION Page Range: p.437-443 Author(s): Leung L; Perron J; Naguib H E File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/a-study-of-the-mechanics-of-porous-plga-85-15-scaffold-in-compression/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A STUDY OF THE MECHANICS OF POROUS PLGA 85/15 SCAFFOLD IN COMPRESSION** Page Range: p.437-443 Author(s): Leung L; Perron J; Naguib H E File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100386&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** A constitutive model for predicting the compression properties of porous poly(DL-lactide-co-glycolide) open-celled foam scaffolds was derived from the morphology of a unit cubic cell and extrapolated from describing the unit cell to the entire sample by relating cell characteristics to the relative density of the foam. The model was verified by comparing predictions with experimental findings for scaffold samples prepared by the gas foaming/salt leaching method and subjected to uniaxial compression testing and shown to accurately describe the compression behaviour of foams with low relative densities. 28 refs. --- --- Source: https://polymerjournals.com/evaluation-of-the-compressive-yield-strength-of-hollow-glass-microsphere-epoxy-composites-as-a-function-of-the-microsphere-epoxy-interface-strength/ # EVALUATION OF THE COMPRESSIVE YIELD STRENGTH OF HOLLOW GLASS MICROSPHERE-EPOXY COMPOSITES AS A FUNCTION OF THE MICROSPHERE/EPOXY INTERFACE STRENGTH > Title: EVALUATION OF THE COMPRESSIVE YIELD STRENGTH OF HOLLOW GLASS MICROSPHERE-EPOXY COMPOSITES AS A FUNCTION OF THE MICROSPHERE/EPOXY INTERFACE STRENGTH Page Range: p.445-451 Author(s): D'Almeida J R M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/evaluation-of-the-compressive-yield-strength-of-hollow-glass-microsphere-epoxy-composites-as-a-function-of-the-microsphere-epoxy-interface-strength/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF THE COMPRESSIVE YIELD STRENGTH OF HOLLOW GLASS MICROSPHERE-EPOXY COMPOSITES AS A FUNCTION OF THE MICROSPHERE/EPOXY INTERFACE STRENGTH** Page Range: p.445-451 Author(s): D'Almeida J R M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100387&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** The effect of the interface on the compression properties of hollow glass microsphere/epoxy composites fabricated under varying interfacial conditions by surface treating the microspheres with a silane coupling agent and also with a silicone oil decoupling agent. The microsphere-to-matrix interaction was also changed by varying the hardener to epoxy monomer ratio. The results obtained were compared with those derived from various mathematical models and discussed in terms of interfacial strength and changes in the reinforcing effect and stress concentration due to the presence of the microspheres. 31 refs. --- --- Source: https://polymerjournals.com/thermal-and-mechanical-couplings-in-plain-and-wood-fibre-reinforced-polypropylene-during-tensile-and-fracture-tests/ # THERMAL AND MECHANICAL COUPLINGS IN PLAIN AND WOOD FIBRE REINFORCED POLYPROPYLENE DURING TENSILE AND FRACTURE TESTS > Title: THERMAL AND MECHANICAL COUPLINGS IN PLAIN AND WOOD FIBRE REINFORCED POLYPROPYLENE DURING TENSILE AND FRACTURE TESTS Page Range: p.453-462 Author(s): Dupre J-C; Lagattu F File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/thermal-and-mechanical-couplings-in-plain-and-wood-fibre-reinforced-polypropylene-during-tensile-and-fracture-tests/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL AND MECHANICAL COUPLINGS IN PLAIN AND WOOD FIBRE REINFORCED POLYPROPYLENE DURING TENSILE AND FRACTURE TESTS** Page Range: p.453-462 Author(s): Dupre J-C; Lagattu F File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100388&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** Spruce fibres were incorporated into a PP homopolymer in a twin-screw extruder and the effect of the fibres on the PP investigated using a thermomechanical approach. Simultaneous measurements were made of the strain field and thermal field and mechanical damage studied in both tensile and fracture tests. Whole-field strain measurements were obtained using the digital image correlation method and the thermal field obtained with the aid of an infrared camera. The heat equation established in the context of classical thermodynamics of irreversible processes was used to evaluate the heat sources and fracture behaviour before crack propagation and crack propagation in the composites discussed. 26 refs. --- --- Source: https://polymerjournals.com/synthesis-and-properties-of-polymethylphenylsiloxane-containing-methacryloyl-groups/ # SYNTHESIS AND PROPERTIES OF POLY(METHYLPHENYLSILOXANE) CONTAINING METHACRYLOYL GROUPS > Title: SYNTHESIS AND PROPERTIES OF POLY(METHYLPHENYLSILOXANE) CONTAINING METHACRYLOYL GROUPS Page Range: p.463-468 Author(s): Sun J T; Huang Y D File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No:... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-polymethylphenylsiloxane-containing-methacryloyl-groups/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTIES OF POLY(METHYLPHENYLSILOXANE) CONTAINING METHACRYLOYL GROUPS** Page Range: p.463-468 Author(s): Sun J T; Huang Y D File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100389&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** Polymethylphenylsiloxane containing methacryloyl groups was synthesised by the co-hydrolysis and polycondensation of methacryloxypropyltrimethoxysilane (MPTS) with other silane monomers. The effect of MPTS on the synthesis, thermal properties and adhesive properties of the polymethylphenylsiloxane was investigated by FTIR spectroscopy, TGA, DTG, scanning electron microscopy and shear strength tests. The polymethylphenylsiloxane possessed the best adhesive properties when the amount of MPTS was 8 wt.%. 15 refs. --- --- Source: https://polymerjournals.com/curing-behaviour-of-epoxy-resin-with-a-diamine-containing-heterocyclic-rings/ # CURING BEHAVIOUR OF EPOXY RESIN WITH A DIAMINE CONTAINING HETEROCYCLIC RINGS > Title: CURING BEHAVIOUR OF EPOXY RESIN WITH A DIAMINE CONTAINING HETEROCYCLIC RINGS Page Range: p.469-474 Author(s): Lu X D; Huang Y D; Zhang C H File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/curing-behaviour-of-epoxy-resin-with-a-diamine-containing-heterocyclic-rings/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURING BEHAVIOUR OF EPOXY RESIN WITH A DIAMINE CONTAINING HETEROCYCLIC RINGS** Page Range: p.469-474 Author(s): Lu X D; Huang Y D; Zhang C H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100390&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** The curing behaviour of diglycidyl-4,5-epoxycyclohexane-1,2-dicarboxylate with 2,6-di(p-aminophenyl)benzo(1,2,5,4)bisoxazole as a novel curing agent and with mixtures thereof with diaminodiphenylsulphone was investigated by DSC and compared with that of diaminodiphenylsulphone alone. The Tgs and heat stabilities of the cured epoxy resins were determined by torsional braid analysis, DSC and TGA and average apparent activation energies of the curing reactions calculated using the Kissinger and Ozawa methods. The epoxy resin cured with the new curing agent showed higher cure temperatures and apparent activation energies than that cured with diaminodiphenylsulphone. 16 refs. --- --- Source: https://polymerjournals.com/service-life-prediction-of-gfrp-rebars-in-an-alkaline-environment/ # SERVICE LIFE PREDICTION OF GFRP REBARS IN AN ALKALINE ENVIRONMENT > Title: SERVICE LIFE PREDICTION OF GFRP REBARS IN AN ALKALINE ENVIRONMENT Page Range: p.475-479 Author(s): Jong-Pil Won; Su-Jin Lee; Chang-Il Jang; Cheol Won File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/service-life-prediction-of-gfrp-rebars-in-an-alkaline-environment/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SERVICE LIFE PREDICTION OF GFRP REBARS IN AN ALKALINE ENVIRONMENT** Page Range: p.475-479 Author(s): Jong-Pil Won; Su-Jin Lee; Chang-Il Jang; Cheol Won File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100391&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** The long-term durability of a GRP rebar exposed to an alkaline environment mimicking concrete pore water (a pH 12.6 solution of 0.16% calcium hydroxide, 1% sodium hydroxide and 1.4% potassium hydroxide) for 300 days at different temperatures was investigated and the mechanical degradation of the rebar measured by tensile testing. A model for predicting the durability of the rebar in the domestic environment of Korea was derived using the time shift factor concept from the Dejke model and predictions of the Dejke model and new model compared with the experimental findings. 11 refs. --- --- Source: https://polymerjournals.com/influence-of-flame-retardant-and-glass-fibre-on-non-isothermal-crystallisation-behaviour-of-pa66/ # INFLUENCE OF FLAME RETARDANT AND GLASS FIBRE ON NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF PA66 > Title: INFLUENCE OF FLAME RETARDANT AND GLASS FIBRE ON NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF PA66 Page Range: p.481-487 Author(s): Liping Li; Bin Li; Fei Tang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/influence-of-flame-retardant-and-glass-fibre-on-non-isothermal-crystallisation-behaviour-of-pa66/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF FLAME RETARDANT AND GLASS FIBRE ON NON-ISOTHERMAL CRYSTALLISATION BEHAVIOUR OF PA66** Page Range: p.481-487 Author(s): Liping Li; Bin Li; Fei Tang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100392&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** The effects of melamine polyphosphate flame retardant and glass fibres on the non-isothermal crystallisation behaviour of polyamide-6,6 were investigated by DSC and Avrami analysis. The activation energy for the transport of macromolecular segments to the growing surface was calculated using the Kissinger method and nucleation activity of glass fibres and flame retardant in the composites determined using Dobreva's method. The flame retardant increased crystallisation rate and decreased the supercooling required for crystallising nucleation and glass fibres increased the crystallisation rate and amount of supercooling. 19 refs. --- --- Source: https://polymerjournals.com/free-vibration-analysis-and-optimal-design-of-a-cantilevered-adhesively-bonded-composite-tubular-single-lap-joint/ # FREE VIBRATION ANALYSIS AND OPTIMAL DESIGN OF A CANTILEVERED ADHESIVELY BONDED COMPOSITE TUBULAR SINGLE LAP JOINT > Title: FREE VIBRATION ANALYSIS AND OPTIMAL DESIGN OF A CANTILEVERED ADHESIVELY BONDED COMPOSITE TUBULAR SINGLE LAP JOINT Page Range: p.489-506 Author(s): Apalak M Kyildirim M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/free-vibration-analysis-and-optimal-design-of-a-cantilevered-adhesively-bonded-composite-tubular-single-lap-joint/ Published: 2007-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FREE VIBRATION ANALYSIS AND OPTIMAL DESIGN OF A CANTILEVERED ADHESIVELY BONDED COMPOSITE TUBULAR SINGLE LAP JOINT** Page Range: p.489-506 Author(s): Apalak M Kyildirim M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-6&JournalID=100393&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.6 **Abstract** The results are reported of a three-dimensional free vibration analysis and modal stress analysis of an adhesively bonded cantilevered graphite fibre-reinforced epoxy composite tubular single lap joint. The effects of design parameters of the adhesive (epoxy resin) and composite tubes, such as fibre angle, fibre volume fraction, adhesive thickness, overlap length, inner tube radius and tube thickness, on the first ten natural frequencies and mode shapes of the joints are examined using a proposed back-propagation artificial neural network model. A genetic algorithm is combined with the artificial neural network model to search for an optimal joint design in which the natural frequencies are maximised and the corresponding modal strain energies of the joint are minimised. 28 refs. --- --- Source: https://polymerjournals.com/characterisation-and-quantification-of-lubricants-in-a-cross-linkable-varnish-by-fourier-transform-infrared-absorption-spectroscopy-ft-ir-and-differential-scanning-calorimetry/ # CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY > Title: CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY Page Range: p.83-90 Author(s): Menard C; Alamercery S; Raffin G; McCormack S; Neel O; Grenier L M File size: Download the... Canonical URL: https://polymerjournals.com/characterisation-and-quantification-of-lubricants-in-a-cross-linkable-varnish-by-fourier-transform-infrared-absorption-spectroscopy-ft-ir-and-differential-scanning-calorimetry/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY** Page Range: p.83-90 Author(s): Menard C; Alamercery S; Raffin G; McCormack S; Neel O; Grenier L M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100345&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** Two complementary techniques (FTIR and DSC) were used to characterise blends of lubricants and to test them in situ in varnishes used in can coatings. The lids of beverage cans are coated with varnish before stamping. Since the metal undergoes considerable stress during stamping, the coefficient of friction of the crosslinked coating must be optimised. To this end, lubricants are used in the varnish. The lubricants used in this study were mixtures of carnauba wax, polyethylene wax and PTFE. The varnishes used were an epoxy resin and melamine co-formaldehyde. It was concluded that the precision, speed of sample preparation, and fast analysis made the FTIR, the technique of choice for testing lubricants in a crosslinkable varnish matrix. 7 refs. --- --- Source: https://polymerjournals.com/e-glass-polypropylene-pultruded-nanocomposite-manufacture-characterisation-thermal-and-mechanical-properties/ # E-GLASS/POLYPROPYLENE PULTRUDED NANOCOMPOSITE: MANUFACTURE, CHARACTERISATION, THERMAL AND MECHANICAL PROPERTIES > Title: E-GLASS/POLYPROPYLENE PULTRUDED NANOCOMPOSITE: MANUFACTURE, CHARACTERISATION, THERMAL AND MECHANICAL PROPERTIES Page Range: p.91-102 Author(s): Roy S; Hussain F; Narasimhan K; Vengadassalam K; Lu H File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/e-glass-polypropylene-pultruded-nanocomposite-manufacture-characterisation-thermal-and-mechanical-properties/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: E-GLASS/POLYPROPYLENE PULTRUDED NANOCOMPOSITE: MANUFACTURE, CHARACTERISATION, THERMAL AND MECHANICAL PROPERTIES** Page Range: p.91-102 Author(s): Roy S; Hussain F; Narasimhan K; Vengadassalam K; Lu H File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100346&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** A discussion is presented of the manufacture of continuous fibre-reinforced nanocomposites, comprising E-glass and a polypropylene matrix, with and without nanoclay, using pultrusion. Thermal and mechanical characterisation of the nanocomposites were perf --- --- Source: https://polymerjournals.com/chemical-structural-and-thermal-changes-in-pet-caused-by-solvent-induced-polymer-crystallisation/ # CHEMICAL, STRUCTURAL AND THERMAL CHANGES IN PET CAUSED BY SOLVENT INDUCED POLYMER CRYSTALLISATION > Title: CHEMICAL, STRUCTURAL AND THERMAL CHANGES IN PET CAUSED BY SOLVENT INDUCED POLYMER CRYSTALLISATION Page Range: p.103-110 Author(s): Rajendran S; Mishra S P File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/chemical-structural-and-thermal-changes-in-pet-caused-by-solvent-induced-polymer-crystallisation/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHEMICAL, STRUCTURAL AND THERMAL CHANGES IN PET CAUSED BY SOLVENT INDUCED POLYMER CRYSTALLISATION** Page Range: p.103-110 Author(s): Rajendran S; Mishra S P File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100347&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** An investigation is reported into the structural and thermal properties of solvent-induced crystallisation of PETP. Flat, high twist and spun PETP yarns were treated with trichloroacetic acid-methylene dichloride mixed solvent. An increase in X-ray crysta --- --- Source: https://polymerjournals.com/rheological-properties-of-aminosilane-surface-treated-short-glass-fibre-reinforced-polypropylenes-part-1-steady-shear-and-oscillatory-flow-properties-in-molten-state/ # RHEOLOGICAL PROPERTIES OF AMINOSILANE SURFACE TREATED SHORT GLASS FIBRE REINFORCED POLYPROPYLENES. PART 1: STEADY SHEAR AND OSCILLATORY FLOW PROPERTIES IN MOLTEN STATE > Title: RHEOLOGICAL PROPERTIES OF AMINOSILANE SURFACE TREATED SHORT GLASS FIBRE REINFORCED POLYPROPYLENES. PART 1: STEADY SHEAR AND OSCILLATORY FLOW PROPERTIES IN MOLTEN STATE Page Range: p.111-119 Author(s): Nishitani Y; Sekiguchi I; Hausnerova B; Zdrazilova N; Kitano T File size: Download the pdf... Canonical URL: https://polymerjournals.com/rheological-properties-of-aminosilane-surface-treated-short-glass-fibre-reinforced-polypropylenes-part-1-steady-shear-and-oscillatory-flow-properties-in-molten-state/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGICAL PROPERTIES OF AMINOSILANE SURFACE TREATED SHORT GLASS FIBRE REINFORCED POLYPROPYLENES. PART 1: STEADY SHEAR AND OSCILLATORY FLOW PROPERTIES IN MOLTEN STATE** Page Range: p.111-119 Author(s): Nishitani Y; Sekiguchi I; Hausnerova B; Zdrazilova N; Kitano T File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100348&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** The objective of this study was to investigate the effect of the fibre surface treatment with aminosilane coupling agent on the rheological properties of short glass fibre reinforced PP, and of short glass fibre reinforced PP supplemented by maleic anhydride-modified PP. Rheological functions in the molten state were measured under steady state shear and oscillatory flow regimes. Results are discussed. 28 refs. --- --- Source: https://polymerjournals.com/the-effect-of-trin-butyl-tiniv-2-3-3-benzoyl-phenyl-propionate-on-the-degradation-and-stabilisation-of-pvc-in-inert-and-oxidative-atmospheres/ # THE EFFECT OF TRI(N-BUTYL) TIN(IV) -2-3 \[3-BENZOYL PHENYL\] PROPIONATE ON THE DEGRADATION AND STABILISATION OF PVC IN INERT AND OXIDATIVE ATMOSPHERES > Title: THE EFFECT OF TRI(N-BUTYL) TIN(IV) -2-3 [3-BENZOYL PHENYL] PROPIONATE ON THE DEGRADATION AND STABILISATION OF PVC IN INERT AND OXIDATIVE ATMOSPHERES Page Range: p.121-129 Author(s): Iqbal A; Ishaq M; Sarwar M I; Frormann L File size: Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/the-effect-of-trin-butyl-tiniv-2-3-3-benzoyl-phenyl-propionate-on-the-degradation-and-stabilisation-of-pvc-in-inert-and-oxidative-atmospheres/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECT OF TRI(N-BUTYL) TIN(IV) -2-3 [3-BENZOYL PHENYL] PROPIONATE ON THE DEGRADATION AND STABILISATION OF PVC IN INERT AND OXIDATIVE ATMOSPHERES** Page Range: p.121-129 Author(s): Iqbal A; Ishaq M; Sarwar M I; Frormann L File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100349&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** In this work, tri(n-butyl) tin(IV)-2-[3-benzoyl phenyl] propionate was used to see its effect on the degradation behaviour of PVC. It was selected because it contains two main parts: the metal and the carboxylate parts. The metal combines with chlorine, w --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-montmorillonite-carrageenan-guar-gum-gel-spherical-beads/ # PREPARATION AND CHARACTERIZATION OF MONTMORILLONITE/CARRAGEENAN/GUAR GUM GEL SPHERICAL BEADS > Title: PREPARATION AND CHARACTERIZATION OF MONTMORILLONITE/CARRAGEENAN/GUAR GUM GEL SPHERICAL BEADS Page Range: p.131-136 Author(s): Ji Zhang; Wenqiang Wang; Yunpu Wang; Jiayu Zheng; Shengtang Zhang; Ziqiang Lei; Xutao Zhao File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-montmorillonite-carrageenan-guar-gum-gel-spherical-beads/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF MONTMORILLONITE/CARRAGEENAN/GUAR GUM GEL SPHERICAL BEADS** Page Range: p.131-136 Author(s): Ji Zhang; Wenqiang Wang; Yunpu Wang; Jiayu Zheng; Shengtang Zhang; Ziqiang Lei; Xutao Zhao File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100350&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** In this study, well shaped composite gel spherical beads were produced using inexpensive biopolymers (carrageenan and guar gum), and a cheap natural product, montmorillonite. The use of this composite gel material reduced the cost of an immobilised cell c --- --- Source: https://polymerjournals.com/sol-gel-synthesis-and-characterisation-of-nano-sized-hydroxyapatite-powders-and-hydroxyapatite-polydl-lactide-co-glycolide-composite-scaffolds/ # SOL-GEL SYNTHESIS AND CHARACTERISATION OF NANO-SIZED HYDROXYAPATITE POWDERS AND HYDROXYAPATITE/POLY(D,L-LACTIDE-CO-GLYCOLIDE) COMPOSITE SCAFFOLDS > Title: SOL-GEL SYNTHESIS AND CHARACTERISATION OF NANO-SIZED HYDROXYAPATITE POWDERS AND HYDROXYAPATITE/POLY(D,L-LACTIDE-CO-GLYCOLIDE) COMPOSITE SCAFFOLDS Page Range: p.137-144 Author(s): Shuying Gu; Hui Zhan; Jie Ren; Xinyu Zhou File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/sol-gel-synthesis-and-characterisation-of-nano-sized-hydroxyapatite-powders-and-hydroxyapatite-polydl-lactide-co-glycolide-composite-scaffolds/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SOL-GEL SYNTHESIS AND CHARACTERISATION OF NANO-SIZED HYDROXYAPATITE POWDERS AND HYDROXYAPATITE/POLY(D,L-LACTIDE-CO-GLYCOLIDE) COMPOSITE SCAFFOLDS** Page Range: p.137-144 Author(s): Shuying Gu; Hui Zhan; Jie Ren; Xinyu Zhou File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100351&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** Tissue engineering has become a recognised technique, and bioceramics represented by hydroxyapatite has attracted the attention of many researchers because of its non-toxicity, good bioactivity and biocompatibility. There are several ways to prepare hydro --- --- Source: https://polymerjournals.com/effect-of-the-compatibiliser-on-the-morphology-and-properties-of-dynamically-cured-pp-epdm-epoxy-blends/ # EFFECT OF THE COMPATIBILISER ON THE MORPHOLOGY AND PROPERTIES OF DYNAMICALLY CURED PP/EPDM/EPOXY BLENDS > Title: EFFECT OF THE COMPATIBILISER ON THE MORPHOLOGY AND PROPERTIES OF DYNAMICALLY CURED PP/EPDM/EPOXY BLENDS Page Range: p.145-150 Author(s): Xueliang Jiang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15... Canonical URL: https://polymerjournals.com/effect-of-the-compatibiliser-on-the-morphology-and-properties-of-dynamically-cured-pp-epdm-epoxy-blends/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF THE COMPATIBILISER ON THE MORPHOLOGY AND PROPERTIES OF DYNAMICALLY CURED PP/EPDM/EPOXY BLENDS** Page Range: p.145-150 Author(s): Xueliang Jiang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100352&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** Dynamic vulcanisation was successfully applied to epoxy resin reinforced PP/EPDM blends, and the effects of different compatibilisers on the morphology and properties of dynamically cured PP/EPDM/epoxy blends were studied. Results indicated that dynamical --- --- Source: https://polymerjournals.com/phase-transition-and-degradation-characteristics-of-polyurethane-siloxane-copolymers/ # PHASE TRANSITION AND DEGRADATION CHARACTERISTICS OF POLY(URETHANE-SILOXANE) COPOLYMERS > Title: PHASE TRANSITION AND DEGRADATION CHARACTERISTICS OF POLY(URETHANE-SILOXANE) COPOLYMERS Page Range: p.151-159 Author(s): Jen-Taut Yeh; Yao-Chi Shu File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 Abstract... Canonical URL: https://polymerjournals.com/phase-transition-and-degradation-characteristics-of-polyurethane-siloxane-copolymers/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHASE TRANSITION AND DEGRADATION CHARACTERISTICS OF POLY(URETHANE-SILOXANE) COPOLYMERS** Page Range: p.151-159 Author(s): Jen-Taut Yeh; Yao-Chi Shu File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100353&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** The properties and characteristics of segmented polyurethane elastomers and polydimethyl siloxane (PDMS) are described. In this work, PDMS monomer was incorporated into the soft segment of polyurethane using a stepwise reaction between at least two bifunctional compounds (4,4'-diphenylmethane diisocyanate, hydroxyl-terminated PDMS and 1,4-butanediol) to improve the thermal properties of a typical PU. The phase transition and degradation characteristics of the poly(urethane-siloxane) copolymers were studied using DSC and TGA. 32 refs. --- --- Source: https://polymerjournals.com/semi-continuous-shear-flow-investigation-into-medium-and-high-molecular-weight-polyhydroxybutyrate-blends/ # SEMI-CONTINUOUS SHEAR FLOW INVESTIGATION INTO MEDIUM AND HIGH MOLECULAR WEIGHT POLYHYDROXYBUTYRATE BLENDS > Title: SEMI-CONTINUOUS SHEAR FLOW INVESTIGATION INTO MEDIUM AND HIGH MOLECULAR WEIGHT POLYHYDROXYBUTYRATE BLENDS Page Range: p.161-165 Author(s): Sharma L; Ogino Y; Kanaya T; Iwata T; Doi Y File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/semi-continuous-shear-flow-investigation-into-medium-and-high-molecular-weight-polyhydroxybutyrate-blends/ Published: 2007-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SEMI-CONTINUOUS SHEAR FLOW INVESTIGATION INTO MEDIUM AND HIGH MOLECULAR WEIGHT POLYHYDROXYBUTYRATE BLENDS** Page Range: p.161-165 Author(s): Sharma L; Ogino Y; Kanaya T; Iwata T; Doi Y File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc15-2&JournalID=100354&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 15 Issue No: No.2 **Abstract** Changes were investigated in the morphology of medium and high molecular weight polyhydroxybutyrate blends (MMWT/HMWT PBB) during shearing, using various in-situ rheological methods. Four PHB blends of medium and high molecular weight species were investigated in order to establish a relationship between molecular weight, shear technique and morphology in PHB. On single shearing, fibres were formed only at the highest MMWT/HMWT ratio of 97/3. This was attributed to a critical orientation molecular weight. Fibre formation took place with all compositions, and there was a rapid initial shish formation on multiple shearing. This is claimed to be evidence for a partial shish based on the Janeschitz-Kriegl model. 21 refs. --- --- Source: https://polymerjournals.com/effects-of-solvents-on-the-morphology-of-electrospun-atactic-polystyrene/ # EFFECTS OF SOLVENTS ON THE MORPHOLOGY OF ELECTROSPUN ATACTIC POLYSTYRENE > Title: EFFECTS OF SOLVENTS ON THE MORPHOLOGY OF ELECTROSPUN ATACTIC POLYSTYRENE Page Range: p.755-765 Author(s): Dong Soo Shin; Se Geun Lee; Won Seok Lyoo File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/effects-of-solvents-on-the-morphology-of-electrospun-atactic-polystyrene/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF SOLVENTS ON THE MORPHOLOGY OF ELECTROSPUN ATACTIC POLYSTYRENE** Page Range: p.755-765 Author(s): Dong Soo Shin; Se Geun Lee; Won Seok Lyoo File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100326&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** Electrospun atactic polystyrene webs of particles and fibres with various dimensions were successfully prepared using solutions of atactic polystyrene of different concentrations. The samples were dissolved in tetrahydrofuran, N, N-dimethylformamide and c --- --- Source: https://polymerjournals.com/chemical-modification-of-date-palm-mesh-fibres-for-reinforcement-of-polymeric-materials-part-1-examination-of-different-cleaning-methods/ # CHEMICAL MODIFICATION OF DATE PALM MESH FIBRES FOR REINFORCEMENT OF POLYMERIC MATERIALS. PART 1: EXAMINATION OF DIFFERENT CLEANING METHODS > Title: CHEMICAL MODIFICATION OF DATE PALM MESH FIBRES FOR REINFORCEMENT OF POLYMERIC MATERIALS. PART 1: EXAMINATION OF DIFFERENT CLEANING METHODS Page Range: p.767-778 Author(s): Taha I; Steuernagel L; Ziegmann G File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/chemical-modification-of-date-palm-mesh-fibres-for-reinforcement-of-polymeric-materials-part-1-examination-of-different-cleaning-methods/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHEMICAL MODIFICATION OF DATE PALM MESH FIBRES FOR REINFORCEMENT OF POLYMERIC MATERIALS. PART 1: EXAMINATION OF DIFFERENT CLEANING METHODS** Page Range: p.767-778 Author(s): Taha I; Steuernagel L; Ziegmann G File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100327&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** The potential use of date palm mesh fibres (DPMF) as natural reinforcement for polymeric matrices is investigated. DPMF were chemically cleaned using sodium hydroxide, carbon tetrachloride, a detergent, and an alcoholic mixture of toluene, methanol and ac --- --- Source: https://polymerjournals.com/antioxidant-properties-of-multiwall-carbon-nanotubes-first-measurements-using-a-model-oxidative-reaction/ # ANTIOXIDANT PROPERTIES OF MULTIWALL CARBON NANOTUBES: FIRST MEASUREMENTS USING A MODEL OXIDATIVE REACTION > Title: ANTIOXIDANT PROPERTIES OF MULTIWALL CARBON NANOTUBES: FIRST MEASUREMENTS USING A MODEL OXIDATIVE REACTION Page Range: p.779-785 Author(s): Zeynalov E B; Friedrich J F File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/antioxidant-properties-of-multiwall-carbon-nanotubes-first-measurements-using-a-model-oxidative-reaction/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANTIOXIDANT PROPERTIES OF MULTIWALL CARBON NANOTUBES: FIRST MEASUREMENTS USING A MODEL OXIDATIVE REACTION** Page Range: p.779-785 Author(s): Zeynalov E B; Friedrich J F File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100328&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** Carbon nanotubes (CNTs) have electron affinities similar to those of fullerenes and are therefore capable of acting as radical traps in free radical chain reactions, including polymerisation and the thermooxidative degradation of polymers. It is proposed --- --- Source: https://polymerjournals.com/a-theoretical-model-of-a-magnetic-polymer/ # A THEORETICAL MODEL OF A MAGNETIC POLYMER > Title: A THEORETICAL MODEL OF A MAGNETIC POLYMER Page Range: p.787-804 Author(s): Maiti P K File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 Abstract A report... Canonical URL: https://polymerjournals.com/a-theoretical-model-of-a-magnetic-polymer/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A THEORETICAL MODEL OF A MAGNETIC POLYMER** Page Range: p.787-804 Author(s): Maiti P K File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100329&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** A report is presented of a theoretical model of a magnetic polymer consisting of benzenoid structures incorporated into a linear polyethylene-like polymer chain. The benzenoid structures are double ring annulenes having 12, 16, 20 and 24 outer ring mum el --- --- Source: https://polymerjournals.com/effect-of-epoxy-modifier-on-flame-retardancy-and-rheological-behaviour-of-abs-montmorillonite-composites/ # EFFECT OF EPOXY MODIFIER ON FLAME RETARDANCY AND RHEOLOGICAL BEHAVIOUR OF ABS/MONTMORILLONITE COMPOSITES > Title: EFFECT OF EPOXY MODIFIER ON FLAME RETARDANCY AND RHEOLOGICAL BEHAVIOUR OF ABS/MONTMORILLONITE COMPOSITES Page Range: p.805-812 Author(s): Bo Liu; Chaoying Wan; Yong Zhang; Yinxi Zhang; Yu Su; Jiliang Ji File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-epoxy-modifier-on-flame-retardancy-and-rheological-behaviour-of-abs-montmorillonite-composites/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF EPOXY MODIFIER ON FLAME RETARDANCY AND RHEOLOGICAL BEHAVIOUR OF ABS/MONTMORILLONITE COMPOSITES** Page Range: p.805-812 Author(s): Bo Liu; Chaoying Wan; Yong Zhang; Yinxi Zhang; Yu Su; Jiliang Ji File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100330&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** The effect is studied of an epoxy modifier on the morphology, flame retardancy and rheology of an organically modified montmorillonite-reinforced ABS. It was shown that the processing condition of epoxy modification had a significant influence on the morp --- --- Source: https://polymerjournals.com/immobilized-beta-galactosidase-preparation-and-characterization/ # IMMOBILIZED BETA-GALACTOSIDASE: PREPARATION AND CHARACTERIZATION > Title: IMMOBILIZED BETA-GALACTOSIDASE: PREPARATION AND CHARACTERIZATION Page Range: p.813-823 Author(s): Ji Zhang; Shengtang Zhang; Jiayu Zeng; Yunpu Wang; Yongfeng Wang File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue... Canonical URL: https://polymerjournals.com/immobilized-beta-galactosidase-preparation-and-characterization/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMMOBILIZED BETA-GALACTOSIDASE: PREPARATION AND CHARACTERIZATION** Page Range: p.813-823 Author(s): Ji Zhang; Shengtang Zhang; Jiayu Zeng; Yunpu Wang; Yongfeng Wang File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100331&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** Details are given of a new enzyme support consisting of magnetic composite microspheres. It was prepared from Artemisia seed gum, chitosan and magnetic fluid. The microspheres contained reactive aldehyde groups that reacted well with the free amino groups --- --- Source: https://polymerjournals.com/radiation-induced-polymer-impregnated-sawdust-clay-cement-composite/ # RADIATION-INDUCED POLYMER IMPREGNATED SAWDUST-CLAY-CEMENT COMPOSITE > Title: RADIATION-INDUCED POLYMER IMPREGNATED SAWDUST-CLAY-CEMENT COMPOSITE Page Range: p.825-831 Author(s): Khoylou F File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 Abstract A new composite material has... Canonical URL: https://polymerjournals.com/radiation-induced-polymer-impregnated-sawdust-clay-cement-composite/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RADIATION-INDUCED POLYMER IMPREGNATED SAWDUST-CLAY-CEMENT COMPOSITE** Page Range: p.825-831 Author(s): Khoylou F File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100332&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** A new composite material has been prepared by the impregnation of sawdust-clay-cement mixtures with unsaturated polyester resins containing styrene and methyl methacrylate monomers, followed by gamma radiation to induce graft copolymerisation of the polym --- --- Source: https://polymerjournals.com/the-preparation-and-characterisation-of-a-novel-siloxane-biomaterial/ # THE PREPARATION AND CHARACTERISATION OF A NOVEL SILOXANE BIOMATERIAL > Title: THE PREPARATION AND CHARACTERISATION OF A NOVEL SILOXANE BIOMATERIAL Page Range: p.833-840 Author(s): Shunsheng Cao; Xiaobo Deng; Bailing Liu; Rong Luo; Hualing Chen File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/the-preparation-and-characterisation-of-a-novel-siloxane-biomaterial/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE PREPARATION AND CHARACTERISATION OF A NOVEL SILOXANE BIOMATERIAL** Page Range: p.833-840 Author(s): Shunsheng Cao; Xiaobo Deng; Bailing Liu; Rong Luo; Hualing Chen File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100333&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** Polysiloxane is known to interact strongly with proteins and to adsorb significant quantities of protein due to its hydrophobicity. This causes conformational and orientational changes in the adsorbed proteins so as to decrease their biocompatibility. A n --- --- Source: https://polymerjournals.com/synthesis-of-25-bis22-dicarboxyethylthiophene-monomer-and-three-heat-resistant-crosslinked-polyamides-brief-communication/ # SYNTHESIS OF 2,5-BIS(2′,2′-DICARBOXYETHYL)THIOPHENE MONOMER AND THREE HEAT RESISTANT CROSSLINKED POLYAMIDES. BRIEF COMMUNICATION > Title: SYNTHESIS OF 2,5-BIS(2',2'-DICARBOXYETHYL)THIOPHENE MONOMER AND THREE HEAT RESISTANT CROSSLINKED POLYAMIDES. BRIEF COMMUNICATION Page Range: p.841-843 Author(s): Habibi D; Khorramabadi Zad; Aghdasi M File size: Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/synthesis-of-25-bis22-dicarboxyethylthiophene-monomer-and-three-heat-resistant-crosslinked-polyamides-brief-communication/ Published: 2006-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF 2,5-BIS(2',2'-DICARBOXYETHYL)THIOPHENE MONOMER AND THREE HEAT RESISTANT CROSSLINKED POLYAMIDES. BRIEF COMMUNICATION** Page Range: p.841-843 Author(s): Habibi D; Khorramabadi Zad; Aghdasi M File size: ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-8&JournalID=100334&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No.8 **Abstract** The synthesis is described of a new thiophene monomer [2,5-bis(2',2'-dicarboxyethyl)thiophene]. Condensation polymerisation was carried out off its tetraethyl ester with three different diamines to produce three heat resistant crosslinked polyamides. Acco --- --- Source: https://polymerjournals.com/characterization-of-carbon-nanofibre-reinforced-epoxy-composite-using-nanoindentation-and-afm-ufm-techniques/ # CHARACTERIZATION OF CARBON NANOFIBRE REINFORCED EPOXY COMPOSITE USING NANOINDENTATION AND AFM/UFM TECHNIQUES > Title: CHARACTERIZATION OF CARBON NANOFIBRE REINFORCED EPOXY COMPOSITE USING NANOINDENTATION AND AFM/UFM TECHNIQUES Page Range: p.549-562 Author(s): Lee H; Mall S; Nalladega V; Sathish S; Roy A; Lafdi K File size: 371K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/characterization-of-carbon-nanofibre-reinforced-epoxy-composite-using-nanoindentation-and-afm-ufm-techniques/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERIZATION OF CARBON NANOFIBRE REINFORCED EPOXY COMPOSITE USING NANOINDENTATION AND AFM/UFM TECHNIQUES** Page Range: p.549-562 Author(s): Lee H; Mall S; Nalladega V; Sathish S; Roy A; Lafdi K File size: 371K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100308&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** The characterisation of carbon nanofibre-reinforced epoxy composites by the use of Nanoindentation, atomic force microscopy and ultrasonic force microscopy is described. These tests were supplemented with ultrasonic wave propagation and three-point bend test methods. The carbon nanofibres were functionalised with oxygen to improve dispersion and adhesion in the epoxy matrix. Improvements in modulus and hardness were found with the carbon nanofibre-reinforced epoxy as compared to the neat epoxy resin. These were dependent o the functionalisation treatment time. However, the increase was of a different magnitude when measured by the three methods of Nanoindentation, wave propagation and three-point bend tests. The indentation test technique is claimed to be capable of providing mechanical property data from a limited size and/or quantity of nanocomposites. The atomic force microscopy and ultrasonic force microscopy were able to characterise the behaviour of carbon nanofibres in nanocomposites, with the latter providing clearer information than the former. It is concluded that atomic force microscopy and ultrasonic force microscopy have the potential to provide a technique for the analysis of nanocomposites at nanoscale and for the mapping of the local surface stiffness at nanoscale. 27 refs. --- --- Source: https://polymerjournals.com/processing-induced-morphology-its-relationship-with-tensile-impact-behaviour-in-injection-moulded-polypropylene/ # PROCESSING-INDUCED MORPHOLOGY: ITS RELATIONSHIP WITH TENSILE-IMPACT BEHAVIOUR IN INJECTION-MOULDED POLYPROPYLENE > Title: PROCESSING-INDUCED MORPHOLOGY: ITS RELATIONSHIP WITH TENSILE-IMPACT BEHAVIOUR IN INJECTION-MOULDED POLYPROPYLENE Page Range: p.563-576 Author(s): LaFranche E; Brassart G; Krawczak P File size: 296K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/processing-induced-morphology-its-relationship-with-tensile-impact-behaviour-in-injection-moulded-polypropylene/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROCESSING-INDUCED MORPHOLOGY: ITS RELATIONSHIP WITH TENSILE-IMPACT BEHAVIOUR IN INJECTION-MOULDED POLYPROPYLENE** Page Range: p.563-576 Author(s): LaFranche E; Brassart G; Krawczak P File size: 296K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100309&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** The main parameters influencing the tensile-impact strength of injection moulded propylene during high volume manufacturing of automotive parts, have been identified. A Taguchi Design of Experiments analysis showed that the key parameters n both flow and transverse directions were the polymer melt and mould temperatures, and the volumetric flow rate. differences in high-speed mechanical behaviour are explained on the basis of an investigation of the processing-induced morphology/tensile-impact behaviour relationship. An through-the-thickness analysis was made of the microstructure of parts manufactured under two extreme sets of moulding conditions by means of microscopy and crystallinity measurement, molecular orientation and thermal expansion. It was found that the brittleness of the injection moulded part depended on the skin layer's morphology, the main influential parameters being the skin/core ratio and the crystalline structure. The crack initiation energy increased wit the oriented skin layer thickness, whereas the brittleness increased with the crystallinity level and the spherulite size. 30 refs. --- --- Source: https://polymerjournals.com/new-biodegradable-blends-from-aliphatic-polycarbonate-and-polyvinyl-alcohol/ # NEW BIODEGRADABLE BLENDS FROM ALIPHATIC POLYCARBONATE AND POLY(VINYL ALCOHOL) > Title: NEW BIODEGRADABLE BLENDS FROM ALIPHATIC POLYCARBONATE AND POLY(VINYL ALCOHOL) Page Range: p.577-584 Author(s): Cao Y X; Du F G; Wang X L; Meng Y Z File size: 184K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/new-biodegradable-blends-from-aliphatic-polycarbonate-and-polyvinyl-alcohol/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NEW BIODEGRADABLE BLENDS FROM ALIPHATIC POLYCARBONATE AND POLY(VINYL ALCOHOL)** Page Range: p.577-584 Author(s): Cao Y X; Du F G; Wang X L; Meng Y Z File size: 184K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100310&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** Blends of biodegradable polymers based on polypropylene carbonate and polyvinyl alcohol were prepared by solution casting. Various blend ratios were investigated with reference to thermal and mechanical properties and morphology. Thermogravimetric analysis, DSC, static mechanical measurements, SEM and FTIR techniques were used to characterise the blends. Polypropylene carbonate/polyvinyl alcohol blends (PPC/PVA) with a 10% PVA and 40% PVA ratio were found to be miscible systems, but PPC/20% PVA and PPC/30% PVA blends were found to be two-phase systems. Both tensile strength and modulus increased with increasing PVA content due to a strong interaction between the PPC and PVA phases through hydrogen bonding. Blending PVA with PPC was shown to provide an effective way to increase both the thermal stability and mechanical properties of polypropylene carbonate. 16 refs. --- --- Source: https://polymerjournals.com/increasing-the-interfacial-adhesion-in-polymethyl-methacrylate-carbon-fibre-composites-by-laser-surface-treatment/ # INCREASING THE INTERFACIAL ADHESION IN POLY(METHYL METHACRYLATE)/CARBON FIBRE COMPOSITES BY LASER SURFACE TREATMENT > Title: INCREASING THE INTERFACIAL ADHESION IN POLY(METHYL METHACRYLATE)/CARBON FIBRE COMPOSITES BY LASER SURFACE TREATMENT Page Range: p.585-589 Author(s): Nematollahzadeh A; Mousavi S A; Tilaki R M; Frounchi M File size: 178K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/increasing-the-interfacial-adhesion-in-polymethyl-methacrylate-carbon-fibre-composites-by-laser-surface-treatment/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INCREASING THE INTERFACIAL ADHESION IN POLY(METHYL METHACRYLATE)/CARBON FIBRE COMPOSITES BY LASER SURFACE TREATMENT** Page Range: p.585-589 Author(s): Nematollahzadeh A; Mousavi S A; Tilaki R M; Frounchi M File size: 178K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100311&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** PMMA is the most widely used denture base material because of its appearance and processability. However, it has unsatisfactory impact and fatigue strength. Reinforcement with carbon fibres was carried out to improve these properties, and surface treatment of the carbon fibre by Nd:YAG pulse laser irradiation was performed in order to improve interfacial bonding of the reinforcing fibre and polymer matrix. Laser light intensity was adjusted at 1—mJ per pulse in order to change the fibre surface roughness and avoid rupture of the fibre. The increased surface roughness improved the interfacial adhesion. This was verified by scanning electron microscopy and a tear-off method. It was also established that use of laser irradiation enhanced the wettability of the fibres by introducing active sites onto the fibre surfaces which react with the resin and lead to stronger interfacial adhesion. 14 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-novel-organic-montmorillonite-reinforced-block-polyurethane-nanocomposites/ # PREPARATION AND CHARACTERIZATION OF NOVEL ORGANIC MONTMORILLONITE-REINFORCED BLOCK POLYURETHANE NANOCOMPOSITES > Title: PREPARATION AND CHARACTERIZATION OF NOVEL ORGANIC MONTMORILLONITE-REINFORCED BLOCK POLYURETHANE NANOCOMPOSITES Page Range: p.591-601 Author(s): Wang Jincheng; Chen Yuehui C; Yanquing W File size: 251K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-novel-organic-montmorillonite-reinforced-block-polyurethane-nanocomposites/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF NOVEL ORGANIC MONTMORILLONITE-REINFORCED BLOCK POLYURETHANE NANOCOMPOSITES** Page Range: p.591-601 Author(s): Wang Jincheng; Chen Yuehui C; Yanquing W File size: 251K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100312&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** A proprietary process has been developed to manufacture organic montmorillonite (OMMT)-reinforced and isocyanate (-NCO)-blocked pouring-type polyurethane (BPPU) nanocomposites. The BPPU polymer was prepared from phenol-blocked blends of TDI, polyethylene glycol and dichlorodiamidodiphenylmethane (MOCA). The physical and mechanical properties of OMMT reinforced BPPU composites were studied and those containing 4 phr OMMT were found to exhibit good mechanical properties doe to the exfoliation and intercalation of the organic silicate layers. 23 refs. --- --- Source: https://polymerjournals.com/effect-of-compatibiliser-and-fibre-content-on-jute-fibre-reinforced-hdpe-epdm-composites/ # EFFECT OF COMPATIBILISER AND FIBRE CONTENT ON JUTE FIBRE REINFORCED HDPE/EPDM COMPOSITES > Title: EFFECT OF COMPATIBILISER AND FIBRE CONTENT ON JUTE FIBRE REINFORCED HDPE/EPDM COMPOSITES Page Range: p.603-610 Author(s): Sarkhel G; Banerjee A; Bhattacharya P File size: 237K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/effect-of-compatibiliser-and-fibre-content-on-jute-fibre-reinforced-hdpe-epdm-composites/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF COMPATIBILISER AND FIBRE CONTENT ON JUTE FIBRE REINFORCED HDPE/EPDM COMPOSITES** Page Range: p.603-610 Author(s): Sarkhel G; Banerjee A; Bhattacharya P File size: 237K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100313&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** Polyolefins can be modified with EPDM elastomer to improve impact strength. However, improvements in toughness can be accompanied by a decrease in stiffness. To overcome this reinforcing fibres can be added to increase the stiffness. In this article, the use of jute reinforcing fibres is investigated in HDPE/EPDM blends. Since jute is predominantly polar and HDPE non-polar, a compatibiliser is investigated needed to improve their interaction. The mechanical and morphological properties of jute fibre-reinforced HDPE/EPDM composites were studied as a function of fibre and compatibiliser content. Improvements were found with respect to tensile, flexural and impact strengths with the addition of 2% compatibiliser. With increasing fibre content, tensile and flexural strengths increased, but impact strength declined on account of crack initiation caused by the presence of too many fibre ends. SEM indicated that better interaction and distribution of fibres in the matrix was achieved in the compatibilised systems compared to the uncompatibilised one. 26 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-lldpe-pmvs-blends/ # PREPARATION AND PROPERTIES OF LLDPE/PMVS BLENDS > Title: PREPARATION AND PROPERTIES OF LLDPE/PMVS BLENDS Page Range: p.611-622 Author(s): Jihui He; Hua Ye; Shumei Liu; Jianqing Zhao File size: 285K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-lldpe-pmvs-blends/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF LLDPE/PMVS BLENDS** Page Range: p.611-622 Author(s): Jihui He; Hua Ye; Shumei Liu; Jianqing Zhao File size: 285K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100314&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** LLDPE and silicone rubber containing vinyl group (PMVS) were reactive blended by melt mixing to obtain grafted and crosslinked blends. Two methods were used to prepare the blends, one involving the use of free radicals generated from thermomechanical shear and the other by peroxide decomposition. Experimental results indicated that the reactive blending improved the interfacial adhesion between the two phases, and that peroxide decomposition had a higher initiation efficiency with respect to grafting and crosslinking compared with thermomechanical shear. TGA was used to demonstrate that reactive blending with PMVS improved the thermal stability of LLDPE. Dynamic rheological behaviour and melt flow rate results suggested that grafting and crosslinking between the two components increased the viscoelasticity of the blends, and the addition of PMVS improved the processability of the LLDPE. Peroxide crosslinking produced a higher tensile strength than thermomechanical shear, but a lower elongation at break. The limiting oxygen index test indicated that the flame retardancy of the blends increased with increasing amounts of PMVS. 31 refs. --- --- Source: https://polymerjournals.com/properties-of-aluminium-filled-polypropylene-composites/ # PROPERTIES OF ALUMINIUM FILLED POLYPROPYLENE COMPOSITES > Title: PROPERTIES OF ALUMINIUM FILLED POLYPROPYLENE COMPOSITES Page Range: p.623-633 Author(s): Osman A F; Mariatti M File size: 358K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6... Canonical URL: https://polymerjournals.com/properties-of-aluminium-filled-polypropylene-composites/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF ALUMINIUM FILLED POLYPROPYLENE COMPOSITES** Page Range: p.623-633 Author(s): Osman A F; Mariatti M File size: 358K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100315&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** Aluminium filled PP composites provide cost-effective, lightweight electrically conducting materials which are corrosion resistant. In this study, different filler particle shapes and filler loadings, varying from 0% to 55% by volume were prepared, and the effect of the filler loading and filler particle shape was evaluated. The density, voids and modulus increased with increasing filler loading. Percolation concentrations were found to be between 15% and 30% by volume for flaky aluminium filled PP, whereas with spherical aluminium particles, percolation concentrations of between 30% and 45% by volume were achieved. A decrease in electrical resistivity and tensile strength and elongation at break was found on addition of the metal filler for all systems tested. Thermal characterisation studies showed that the addition of the aluminium reduced the crystallinity of the PP and slightly retarded its thermal degradation. 16 refs. --- --- Source: https://polymerjournals.com/recycling-of-polyethylene-polyethylene-terephthalate-post-consumer-oil-pouches-using-compatibiliser/ # RECYCLING OF POLYETHYLENE/POLY(ETHYLENE TEREPHTHALATE) POST-CONSUMER OIL POUCHES USING COMPATIBILISER > Title: RECYCLING OF POLYETHYLENE/POLY(ETHYLENE TEREPHTHALATE) POST-CONSUMER OIL POUCHES USING COMPATIBILISER Page Range: p.635-646 Author(s): Choudhury A; Mukherjee M; Adhikari B File size: 275K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14... Canonical URL: https://polymerjournals.com/recycling-of-polyethylene-polyethylene-terephthalate-post-consumer-oil-pouches-using-compatibiliser/ Published: 2006-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RECYCLING OF POLYETHYLENE/POLY(ETHYLENE TEREPHTHALATE) POST-CONSUMER OIL POUCHES USING COMPATIBILISER** Page Range: p.635-646 Author(s): Choudhury A; Mukherjee M; Adhikari B File size: 275K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-6&JournalID=100316&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 6 **Abstract** A study is made into the effectiveness of using compatibilisers in the recycling of post-consumer multi-component edible oil pouches. The main objective was to determine to what extent the morphology, melt flow index, rheological, thermal and mechanical properties of the recycled oil pouch material, a LDPE/LLDPE/PETP multilayer mixture, could be upgraded by the addition of either Surlyn ionomer or Fusabond as compatibilising agent. The addition of 5 wt% Fusabond (polyethylene graft maleic anhydride) or Surlyn ionomer (zinc salt of ethylene methacrylic acid copolymer) was shown to improve all the mechanical and thermal properties of the recycled polymer due to enhancement of the interfacial adhesion between the PE matrix and the dispersed PETP. 50 refs. --- --- Source: https://polymerjournals.com/cure-kinetics-of-an-epoxy-anhydride-imidazole-resin-system-by-isothermal-dsc/ # CURE KINETICS OF AN EPOXY-ANHYDRIDE-IMIDAZOLE RESIN SYSTEM BY ISOTHERMAL DSC > Title: CURE KINETICS OF AN EPOXY-ANHYDRIDE-IMIDAZOLE RESIN SYSTEM BY ISOTHERMAL DSC Page Range: p.445-454 Author(s): Wang C S; Choongyong Kwag File size: 208K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14... Canonical URL: https://polymerjournals.com/cure-kinetics-of-an-epoxy-anhydride-imidazole-resin-system-by-isothermal-dsc/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURE KINETICS OF AN EPOXY-ANHYDRIDE-IMIDAZOLE RESIN SYSTEM BY ISOTHERMAL DSC** Page Range: p.445-454 Author(s): Wang C S; Choongyong Kwag File size: 208K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100299&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** Liquid composite moulding is used to manufacture automotive structural composites, and epoxies have been used in vehicle mass production programs. N order to meet the automotive processing and performance requirements, it is necessary to optimise the moulding cycle times. This necessitates an understanding of the curing behaviour of the resin. This study, therefore, examines the curing behaviour of a dimethyl imidazole catalysed diglycidyl ether of bisphenol A-methyltetrahydrophthalic anhydride resin system using isothermal data obtained from differential scanning calorimetry. The system was selected as a potential automotive liquid moulding resin based on its favourable moulding characteristics and thermomechanical properties. The kinetic data were analysed using both n^th order and autocatalytic kinetic models. The results indicated that the epoxy curing process could be described satisfactorily by Kamal's four-parameter generalised autocatalytic model, modified with an exponential function of conversion defined as the diffusion factor. 19 refs. --- --- Source: https://polymerjournals.com/application-of-the-theory-of-mixtures-to-temperature-stress-equivalency-in-nonlinear-creep-of-thermoplastic-agro-fibre-composites/ # APPLICATION OF THE ‘THEORY OF MIXTURES’ TO TEMPERATURE – STRESS EQUIVALENCY IN NONLINEAR CREEP OF THERMOPLASTIC/AGRO-FIBRE COMPOSITES > Title: APPLICATION OF THE ‘THEORY OF MIXTURES' TO TEMPERATURE – STRESS EQUIVALENCY IN NONLINEAR CREEP OF THERMOPLASTIC/AGRO-FIBRE COMPOSITES Page Range: p.455-472 Author(s): Pramanick A; Sain M File size: 390K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/application-of-the-theory-of-mixtures-to-temperature-stress-equivalency-in-nonlinear-creep-of-thermoplastic-agro-fibre-composites/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: APPLICATION OF THE ‘THEORY OF MIXTURES' TO TEMPERATURE – STRESS EQUIVALENCY IN NONLINEAR CREEP OF THERMOPLASTIC/AGRO-FIBRE COMPOSITES** Page Range: p.455-472 Author(s): Pramanick A; Sain M File size: 390K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100300&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** A study is made of thermoplastic/agro-fibre composites based on HDPE (40%) and rice husk (60%) in terms of the ability to predict creep. In order to characterise the viscoelasticity of this biocomposite, it was necessary to predict creep by establishing a relationship between deformation, time, temperature and stress. An extended ‘theory of mixtures' is used to describe creep-related parameters in two-phase materials. The stress- and temperature-related shift factors were estimated in terms of the activation energy of the constituents. The combined effect of temperature and stress on creep strain was accommodated in a single analytical function, where the interaction was shown to be additive. The model is claimed to be unique because it describes creep, not through curve fittings, but in terms of the creep constants of the constituents. This constitutive model is described not only as a vanguard in the prediction of long term creep of many biocomposites, but also in the modelling of creep under step loading of temperature. The impact of humidity was explored for the first time for the creep of agro-based composites. 20 refs. --- --- Source: https://polymerjournals.com/effect-of-interfacial-modification-on-the-rheological-properties-and-nucleation-behaviour-of-pp-baso4-composites/ # EFFECT OF INTERFACIAL MODIFICATION ON THE RHEOLOGICAL PROPERTIES AND NUCLEATION BEHAVIOUR OF PP-BaSO”4 COMPOSITES > Title: EFFECT OF INTERFACIAL MODIFICATION ON THE RHEOLOGICAL PROPERTIES AND NUCLEATION BEHAVIOUR OF PP-BaSO”4 COMPOSITES Page Range: p.473-481 Author(s): Ke Wang; Jingshen Wu; Hanmin Zeng File size: 295K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/effect-of-interfacial-modification-on-the-rheological-properties-and-nucleation-behaviour-of-pp-baso4-composites/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF INTERFACIAL MODIFICATION ON THE RHEOLOGICAL PROPERTIES AND NUCLEATION BEHAVIOUR OF PP-BaSO”4 COMPOSITES** Page Range: p.473-481 Author(s): Ke Wang; Jingshen Wu; Hanmin Zeng File size: 295K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100301&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** The effect of surface treatment of barium sulphate filler particles on the rheological behaviour of PP composites was studied. The polypropylene-barium sulphate composites were prepared by pretreating the filler with stearic acid, silane and polypropylene-g-maleic anhydride, respectively. The effects of the PP-barium sulphate interfacial interaction on the rheological properties and nucleation behaviour of the composites were studied. It was shown that once the polymer-filler interfacial interaction had been enhanced by reactive coupling agents, the fillers acted as temporary physical crosslinking points, effectively restricting the motion of polymer chains neighbouring the filler particles. As a result, the tendency of the polymer chains to undergo intermolecular slippage was reduced, and the melt viscosity was enhanced. However, when the filler surface was modified with non-reactive coupling agents such as stearic acid, the reduced particle-particle interaction and lubricating effect of the stearic acid decreased viscosity. With the modification of the interface, the barium sulphate dispersion in PP was improved and the thermodynamic potential barrier for the formation of primary nuclei was reduced by the adsorption mechanism. 16 refs. --- --- Source: https://polymerjournals.com/fracture-and-failure-behaviour-of-jute-fabric-reinforced-polypropylene-effect-of-the-interface-modification/ # FRACTURE AND FAILURE BEHAVIOUR OF JUTE FABRIC REINFORCED POLYPROPYLENE. EFFECT OF THE INTERFACE MODIFICATION > Title: FRACTURE AND FAILURE BEHAVIOUR OF JUTE FABRIC REINFORCED POLYPROPYLENE. EFFECT OF THE INTERFACE MODIFICATION Page Range: p.483-493 Author(s): Acha B A; Karger-Kocsis J; Reboredo M M File size: 600K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/fracture-and-failure-behaviour-of-jute-fabric-reinforced-polypropylene-effect-of-the-interface-modification/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FRACTURE AND FAILURE BEHAVIOUR OF JUTE FABRIC REINFORCED POLYPROPYLENE. EFFECT OF THE INTERFACE MODIFICATION** Page Range: p.483-493 Author(s): Acha B A; Karger-Kocsis J; Reboredo M M File size: 600K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100302&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** The tensile fracture and failure behaviour of jute cloth (25 wt.%) reinforced PP composites were studied as a function of the interface modification. Although jute appears to be promising candidate as a reinforcement for PP, the lack of adhesion between the hydrophilic cellulose fibres and the hydrophobic PP results in unsatisfactory properties for the composite. In this study, the jute fabric was subjected to esterification and lignin and maleated PP were used as modifiers. The tensile and fracture mechanical characteristics of the composites were determined. Analysis of the emitted acoustic signals, together with fractographic inspection served to determine the failure and damage development. The best property improvements were achieved by using maleated PP. the observed notch sensitivity for the specimens was attributed to missing reinforcement homogeneity, owing to the presence of insufficient jute cloth layers. 29 refs. --- --- Source: https://polymerjournals.com/preparation-and-surface-properties-of-siloxane-acrylate-copolymer-with-high-siloxane-content/ # PREPARATION AND SURFACE PROPERTIES OF SILOXANE-ACRYLATE COPOLYMER WITH HIGH SILOXANE CONTENT > Title: PREPARATION AND SURFACE PROPERTIES OF SILOXANE-ACRYLATE COPOLYMER WITH HIGH SILOXANE CONTENT Page Range: p.495-502 Author(s): Xiaobo Deng; Shunsheng Cao; Bailing Liu; Rong Luo; Hualin Chen File size: 157K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/preparation-and-surface-properties-of-siloxane-acrylate-copolymer-with-high-siloxane-content/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND SURFACE PROPERTIES OF SILOXANE-ACRYLATE COPOLYMER WITH HIGH SILOXANE CONTENT** Page Range: p.495-502 Author(s): Xiaobo Deng; Shunsheng Cao; Bailing Liu; Rong Luo; Hualin Chen File size: 157K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100303&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** Latices of siloxane-acrylate copolymer find wide application due to their non-toxic and non-contaminating character, and interest has been shown to combine acrylate with siloxane in order to obtain stable polymer latices and other polymer materials with improved performance. It is known that the more siloxane in the copolymer, the better the properties, but since the polymerisation temperature of the acrylate is higher than 80 deg.C and under such conditions the Si (OCH”3)”3 groups are easy to hydrolyse, forming siloxane bonds and then proceeding to form a network structure and coagulum. This is the main reason that the siloxane content of the copolymer could not be enhanced during polymerisation. To overcome this, an oxidation-reduction initiator was introduced into the system, which could initiate the reaction at relatively low temperatures. In addition, sodium bicarbonate was added when the pH fell below 6.5. Under these conditions, the acrylate-siloxane copolymers were prepared by emulsion polymerisation in which the siloxane content could reach 30%. The latex properties of the copolymer were characterised by FTIR spectroscopy and the use of a surface tension analyser. It was shown that almost all the monomer had participated in the copolymerisation. Results of characterisation by the surface tension analyser showed that the introduction of organic siloxane could decrease the surface tension values greatly. Surface properties were also studied by the static contact angle method. Compared with the acrylate homopolymer, the copolymer containing 3-(methacryloxypropyltrimethoxysilane) was capable of making an increase in water repellency. 29 refs. --- --- Source: https://polymerjournals.com/sintering-of-non-spherical-polyethylene-particles/ # SINTERING OF NON-SPHERICAL POLYETHYLENE PARTICLES > Title: SINTERING OF NON-SPHERICAL POLYETHYLENE PARTICLES Page Range: p.503-513 Author(s): Torres F G; Cubillas M L; Quintana O A File size: 346K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue... Canonical URL: https://polymerjournals.com/sintering-of-non-spherical-polyethylene-particles/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SINTERING OF NON-SPHERICAL POLYETHYLENE PARTICLES** Page Range: p.503-513 Author(s): Torres F G; Cubillas M L; Quintana O A File size: 346K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100304&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** Powder sintering has been well studied for metals and ceramics, but not many fundamental studies have been carried out in order to understand the nature of the underlying processes which take place during the formation of a dense material when a polymer powder is sintered as occurs during the rotational moulding process. This work reports on experimental observations of polymer sintering with non-spherical particles. The evolution of neck formation during sintering was studied by two-particle experiments in a temperature-controlled oven. Shrinkage and change in surface area were also measured using image analysis. Melt densification studies using powder particles were included to complement the two-particle experiments. It was found that ground polymer particles show an important shape recovery stage at the beginning of the sintering process. Comparisons with sintering models available in the literature were made, and deviations from the behaviour predicted by such models were discussed. 28 refs. --- --- Source: https://polymerjournals.com/nanocomposites-based-on-thermoplastic-elastomeric-blends-of-styrene-acrylonitrile-and-ethylene-vinyl-acetate-effect-of-nature-and-loading-of-nanoclays-and-dynamic-vulcanization/ # NANOCOMPOSITES BASED ON THERMOPLASTIC ELASTOMERIC BLENDS OF STYRENE ACRYLONITRILE AND ETHYLENE VINYL ACETATE: EFFECT OF NATURE AND LOADING OF NANOCLAYS AND DYNAMIC VULCANIZATION > Title: NANOCOMPOSITES BASED ON THERMOPLASTIC ELASTOMERIC BLENDS OF STYRENE ACRYLONITRILE AND ETHYLENE VINYL ACETATE: EFFECT OF NATURE AND LOADING OF NANOCLAYS AND DYNAMIC VULCANIZATION Page Range: p.515-525 Author(s): Patel J; Maiti M; Naskar K; Bhowmick A K File size: 193K Download the... Canonical URL: https://polymerjournals.com/nanocomposites-based-on-thermoplastic-elastomeric-blends-of-styrene-acrylonitrile-and-ethylene-vinyl-acetate-effect-of-nature-and-loading-of-nanoclays-and-dynamic-vulcanization/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NANOCOMPOSITES BASED ON THERMOPLASTIC ELASTOMERIC BLENDS OF STYRENE ACRYLONITRILE AND ETHYLENE VINYL ACETATE: EFFECT OF NATURE AND LOADING OF NANOCLAYS AND DYNAMIC VULCANIZATION** Page Range: p.515-525 Author(s): Patel J; Maiti M; Naskar K; Bhowmick A K File size: 193K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100305&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** A thermoplastic elastomer based on a 30:70 w/w/ styrene-acrylonitrile: ethylene vinyl acetate blend was prepared. In order to improve the strength of the blend, two types of nanoclay (grades of Cloisite) were added in variable loading levels. Improved levels of mechanical properties were achieved with Cloisite NA at 4 phr loading. These results were explained in terms of the morphology of the nanocomposites as studied by X-ray diffraction, atomic force microscopy and X-ray dot-mapping. The dynamic mechanical properties and the diffusion behaviour of acetone through the resultant nanocomposites corroborated the observations on the static mechanical properties. It was demonstrated that dynamic vulcanisation significantly improved the mechanical properties of nanoclay reinforced SAN/EVA blends. 40 refs. --- --- Source: https://polymerjournals.com/coated-nano-sized-caco3-reinforced-semi-crystalline-epdm/ # COATED NANO-SIZED CACO”3 REINFORCED SEMI-CRYSTALLINE EPDM > Title: COATED NANO-SIZED CACO”3 REINFORCED SEMI-CRYSTALLINE EPDM Page Range: p.527-536 Author(s): Yabin Zhou; Shifeng Wang; Yong Zhang; Yinxi Zhang File size: 339K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue... Canonical URL: https://polymerjournals.com/coated-nano-sized-caco3-reinforced-semi-crystalline-epdm/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COATED NANO-SIZED CACO”3 REINFORCED SEMI-CRYSTALLINE EPDM** Page Range: p.527-536 Author(s): Yabin Zhou; Shifeng Wang; Yong Zhang; Yinxi Zhang File size: 339K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100306&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** Nano-sized calcium carbonate modified with stearic acid was used to reinforce semi-crystalline EPDM and for comparison, micron-sized calcium carbonate was also studied. It was found that both nanosized and micron-sized calcium carbonate fillers improved the mechanical properties of the EPDM vulcanisates and that the nanofiller exhibited better reinforcement than the microfiller. The difference in reinforcement effects was explained in terms of the filler particle size and the crosslink density of the vulcanisates. The nanofiller was also modified by titanate, borate, and aluminate-titanate complex coupling agents and used to reinforce EPDM vulcanisates. Results showed that the titanate coupling agent-coated nanosized filler exhibited the best reinforcement ability. FE-SEM showed that stearic acid, titanate and aluminate-titanate coupling agents improved the dispersion of the filler in the rubber matrix, whereas borate coupling agents could not. The effect of modified nano-sized calcium carbonate on the dynamic mechanical properties was also studied. Incorporate of calcium carbonate was found to reduce the glass transition temperature of the vulcanisates, with micro-sized calcium carbonate depressing the TG to a greater extent. 21 refs. --- --- Source: https://polymerjournals.com/on-line-monitoring-of-resin-content-and-volatile-content-in-carbon-phenolic-resin-prepreg-cloth-by-near-infrared-spectroscopy/ # ON-LINE MONITORING OF RESIN CONTENT AND VOLATILE CONTENT IN CARBON/PHENOLIC RESIN PREPREG CLOTH BY NEAR-INFRARED SPECTROSCOPY > Title: ON-LINE MONITORING OF RESIN CONTENT AND VOLATILE CONTENT IN CARBON/PHENOLIC RESIN PREPREG CLOTH BY NEAR-INFRARED SPECTROSCOPY Page Range: p.537-543 Author(s): Wei Li; Yu Dong Huang; Li Liu; Bo Jiang File size: 129K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/on-line-monitoring-of-resin-content-and-volatile-content-in-carbon-phenolic-resin-prepreg-cloth-by-near-infrared-spectroscopy/ Published: 2006-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ON-LINE MONITORING OF RESIN CONTENT AND VOLATILE CONTENT IN CARBON/PHENOLIC RESIN PREPREG CLOTH BY NEAR-INFRARED SPECTROSCOPY** Page Range: p.537-543 Author(s): Wei Li; Yu Dong Huang; Li Liu; Bo Jiang File size: 129K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-5&JournalID=100307&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 5 **Abstract** NIR diffuse reflectance spectroscopy is demonstrated to be a suitable on-line monitoring technique during the manufacture of carbon/phenolic resin prepreg cloth in terms of resin and volatile contents. Calibration models were generated using partial least square regression to relate the on-line spectral data to the components' content. Due to its rapid and non-destructive nature, the NIR spectroscopic method is proposed as an alternative to traditional chemical analysis. 31 refs. --- --- Source: https://polymerjournals.com/wood-sawdust-fibres-as-a-secondary-filler-in-carbon-black-filled-nr-vulcanizates/ # WOOD SAWDUST FIBRES AS A SECONDARY FILLER IN CARBON BLACK FILLED NR VULCANIZATES > Title: WOOD SAWDUST FIBRES AS A SECONDARY FILLER IN CARBON BLACK FILLED NR VULCANIZATES Page Range: p.331-347 Author(s): Sombatsompop N; Kantala C; Wimolmala E File size: 314K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/wood-sawdust-fibres-as-a-secondary-filler-in-carbon-black-filled-nr-vulcanizates/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: WOOD SAWDUST FIBRES AS A SECONDARY FILLER IN CARBON BLACK FILLED NR VULCANIZATES** Page Range: p.331-347 Author(s): Sombatsompop N; Kantala C; Wimolmala E File size: 314K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100290&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** An investigation is reported which aims to identify the optimum contents of wood sawdust fibre and silane coupling agent to be introduced into natural rubber compounded with carbon black. A range of composite properties are considered including cure characteristics, % bound rubber, crosslink density, sorption and desorption behaviour, tensile modulus, elongation at break, tensile and tear strengths, hardness and morphological properties. Results indicated that the overall mechanical properties of the NR composite improved with increasing carbon black content, but deteriorated with a sawdust content up to 40 phr. Addition of further sawdust was recommended as an economical benefit to industries as the properties of the natural rubber/carbon black composites remained unchanged with increasing sawdust content above 40 phr sawdust fibre. Addition of a silane coupling agent to the NR vulcanisates containing 40 phr wood sawdust fibres and 45 phr carbon black at 0.5 – 1% of wood sawdust, was shown to improve the mechanical properties. It is claimed that the explanations given in this paper are unique in that they refer to bound rubber, crosslink density and rubber-filler phase continuity in the composites and to a change in composite rigidity. 37 refs. --- --- Source: https://polymerjournals.com/cylindrical-orthotropic-thermal-conductivity-of-spiral-woven-composites-part-ii-a-mathematical-model-for-their-effective-transverse-thermal-conductivity/ # CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART II: A MATHEMATICAL MODEL FOR THEIR EFFECTIVE TRANSVERSE THERMAL CONDUCTIVITY > Title: CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART II: A MATHEMATICAL MODEL FOR THEIR EFFECTIVE TRANSVERSE THERMAL CONDUCTIVITY Page Range: p.349-364 Author(s): Chang-Hsuan Chiu; Chao-Chuan Cheng; Chung-Li Hwan; Tsai K H File size: 418K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/cylindrical-orthotropic-thermal-conductivity-of-spiral-woven-composites-part-ii-a-mathematical-model-for-their-effective-transverse-thermal-conductivity/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART II: A MATHEMATICAL MODEL FOR THEIR EFFECTIVE TRANSVERSE THERMAL CONDUCTIVITY** Page Range: p.349-364 Author(s): Chang-Hsuan Chiu; Chao-Chuan Cheng; Chung-Li Hwan; Tsai K H File size: 418K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100291&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** This paper is the second in a series on the cylindrical orthotropic thermal conductivity of spiral woven composites. It presents a study of the modelling of the effective transverse thermal conductivity of the spiral woven fabric composite. And idealised model was built by idealising the yarn undulations into lineal segments. The mathematical model of the effective transverse thermal conductivity was formulated as functions of the radial position. Using thermal and geometrical parameters, predictions of the effective thermal conductivities for four kinks of spiral woven fabric composites were carried out. It is reported that a fairly good agreement was found between results predicted using the present and previously published models. 28 refs. --- --- Source: https://polymerjournals.com/the-characterization-of-biodegradable-polybutylene-succinate-starch-blends-using-hdpe-g-acrylic-acid-as-a-compatibilizer/ # THE CHARACTERIZATION OF BIODEGRADABLE POLYBUTYLENE SUCCINATE/STARCH BLENDS USING HDPE-G-ACRYLIC ACID AS A COMPATIBILIZER > Title: THE CHARACTERIZATION OF BIODEGRADABLE POLYBUTYLENE SUCCINATE/STARCH BLENDS USING HDPE-G-ACRYLIC ACID AS A COMPATIBILIZER Page Range: p.365-376 Author(s): Lai S M; Wu C S; Liao H T File size: 261K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/the-characterization-of-biodegradable-polybutylene-succinate-starch-blends-using-hdpe-g-acrylic-acid-as-a-compatibilizer/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE CHARACTERIZATION OF BIODEGRADABLE POLYBUTYLENE SUCCINATE/STARCH BLENDS USING HDPE-G-ACRYLIC ACID AS A COMPATIBILIZER** Page Range: p.365-376 Author(s): Lai S M; Wu C S; Liao H T File size: 261K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100292&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** Blends of polybutylene succinate, (PBSU) and starch were examined to ascertain the influence of the compatibiliser HDPE-g-acrylic acid on properties. The blends contained 5 phr of compatibiliser. X-ray diffraction studies indicated some disruption of the crystal structure of PBSU with the introduction of starch, and a decrease in the melting temperature was also noted with increasing amounts of starch. The added starch is reported to have disrupted the intermolecular hydrogen bonding interactions between the PBSU chains in the matrix. The relatively low heat stability of starch influenced the thermal stability of the blends. A slight increase in tensile strength was observed when the compatibiliser was incorporated in the blends, and enhanced interaction was deduced from SEM observation. The surface erosion shown in the optical micrographs was accompanied by a visible growth of microorganisms, particularly at high concentrations of starch. The rate of biodegradation was assessed based on the decrease in tensile strength during 4 weeks of soil burial. The weight loss increased with increasing treatment times and with starch content during extended soil burial. 26 refs. --- --- Source: https://polymerjournals.com/electrical-properties-and-crystallisation-behaviour-of-polypropylene-carbon-black-composites/ # ELECTRICAL PROPERTIES AND CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE/CARBON BLACK COMPOSITES > Title: ELECTRICAL PROPERTIES AND CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE/CARBON BLACK COMPOSITES Page Range: p.377-390 Author(s): Ying Li; Shifeng Wang; Yong Zhang; Yinxi Zhang File size: 320K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/electrical-properties-and-crystallisation-behaviour-of-polypropylene-carbon-black-composites/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTRICAL PROPERTIES AND CRYSTALLISATION BEHAVIOUR OF POLYPROPYLENE/CARBON BLACK COMPOSITES** Page Range: p.377-390 Author(s): Ying Li; Shifeng Wang; Yong Zhang; Yinxi Zhang File size: 320K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100293&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** The electrical properties and crystallisation behaviour were investigated for four different kinds of carbon black filled PP composites, prepared by the melt mixing method. All showed typical characteristics of percolation but noticeably different percolation thresholds. When using carbon black with a higher structure, smaller particle diameter and larger surface area, the composites showed better electrical conductivity and a lower percolation threshold. The crystallisation behaviour was studied using DSC. Non-isothermal crystallisation parameters showed that the carbon black particles were able to act as nucleating agents which accelerated the crystallisation rate. Isothermal crystallisation kinetics studies indicated that the crystallisation kinetic constant and the rate of crystallisation of the PP/carbon black composites were higher than those of PP. The values of the Avrami exponent indicated three-dimensional spherulitic growth in a spherical form. The free energy of chain folding for PP crystallisation of the carbon black reinforced PP composites was lower than that of PP itself, and decreased further with increasing carbon black content. 40 refs. --- --- Source: https://polymerjournals.com/thermal-and-morphological-studies-of-acrylonitrile-butadiene-nbr-latex-reinforced-nonwoven-fabric-composites/ # THERMAL AND MORPHOLOGICAL STUDIES OF ACRYLONITRILE-BUTADIENE (NBR) LATEX REINFORCED NONWOVEN FABRIC COMPOSITES > Title: THERMAL AND MORPHOLOGICAL STUDIES OF ACRYLONITRILE-BUTADIENE (NBR) LATEX REINFORCED NONWOVEN FABRIC COMPOSITES Page Range: p.391-402 Author(s): Kumar M N S; Siddaramaiah; Jagannath J H; Bawa A S File size: 287K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/thermal-and-morphological-studies-of-acrylonitrile-butadiene-nbr-latex-reinforced-nonwoven-fabric-composites/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL AND MORPHOLOGICAL STUDIES OF ACRYLONITRILE-BUTADIENE (NBR) LATEX REINFORCED NONWOVEN FABRIC COMPOSITES** Page Range: p.391-402 Author(s): Kumar M N S; Siddaramaiah; Jagannath J H; Bawa A S File size: 287K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100294&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** The fabrication of composites by impregnating jut non-woven fabric in NBR latex is described. The composites were characterised by thermogravimetric analysis and by scanning electron microscopy to understand the thermal stability and morphology respectively. All the composites were stable to 280 deg.C, and thermal degradation of the jute fabric and composites was found to proceed in two steps, unlike NBR. A degradation kinetic parameter was obtained for each stage of degradation of the jute, NBR and their composites using Broido, Coats-Redfern and Horowitz-Metzger methods. Cryogenically fractured specimens were used to analyse the surface morphology of the jute fabric and composites by scanning electron microscopy, which revealed that the incorporation off NBR increased the bonded area at fibre crossovers and intersections. 27 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-asphalts-modified-with-sbs-organobentonite-blends/ # PREPARATION AND PROPERTIES OF ASPHALTS MODIFIED WITH SBS/ORGANOBENTONITE BLENDS > Title: PREPARATION AND PROPERTIES OF ASPHALTS MODIFIED WITH SBS/ORGANOBENTONITE BLENDS Page Range: p.403-411 Author(s): Yun-Pu Wang; Dong-Jie Liu; Yu-Feng Li; You-Peng Wang; Jing-Min Gao File size: 217K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-asphalts-modified-with-sbs-organobentonite-blends/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF ASPHALTS MODIFIED WITH SBS/ORGANOBENTONITE BLENDS** Page Range: p.403-411 Author(s): Yun-Pu Wang; Dong-Jie Liu; Yu-Feng Li; You-Peng Wang; Jing-Min Gao File size: 217K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100295&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** The high temperature storage stability of SBS modified asphalts was improved by dispersing both organobentonite and silane coupling agents into asphalt. Improvements were also noted in rheological properties and after-ageing properties. The improvement in high temperature storage stability was attributed to the organobentonite and silane coupling agent decreasing the differences in densities between SBS and asphalt. It was found that the optimum amount of organobentonite was 2% and 1% of silane coupling agent. 28 refs. --- --- Source: https://polymerjournals.com/synthesis-and-properties-of-composites-of-ultra-high-molecular-weight-polyethylene-with-carbon-fibres-or-fibre-monocrystals/ # SYNTHESIS AND PROPERTIES OF COMPOSITES OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE WITH CARBON FIBRES OR FIBRE MONOCRYSTALS > Title: SYNTHESIS AND PROPERTIES OF COMPOSITES OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE WITH CARBON FIBRES OR FIBRE MONOCRYSTALS Page Range: p.413-420 Author(s): Atanasov A; Koleva D File size: 101K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-composites-of-ultra-high-molecular-weight-polyethylene-with-carbon-fibres-or-fibre-monocrystals/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTIES OF COMPOSITES OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE WITH CARBON FIBRES OR FIBRE MONOCRYSTALS** Page Range: p.413-420 Author(s): Atanasov A; Koleva D File size: 101K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100296&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** The aim of this work is to study the preparation and characterisation of composite materials based on UHMWPE, carbon fibre (including modified carbon fibre), and fibre monocrystals of alkali titanates, in order to improve some of their properties. The unmodified and thermally modified carbon fibres did not have any reinforcing effect on the tensile strength of the composites, and only an insignificant increase was observed with fibre the fibre monocrystals in the range 0.5 – 1.0% w/w. Nevertheless, the composites obtained with carbon fibres proved to have better characteristics than the unfilled polymer. These included electrical conductivity, improved thermal stability and lower coefficient of friction, lower temperature coefficient of linear expansion and lower shrinkage. UHMWPE/fibre monocrystal composites also showed better characteristics than the unfilled UHMWPE, especially the Vicat softening point. 19 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterisation-of-antistatic-nylon-6-filled-with-zno-whiskers/ # PREPARATION AND CHARACTERISATION OF ANTISTATIC NYLON-6 FILLED WITH ZnO WHISKERS > Title: PREPARATION AND CHARACTERISATION OF ANTISTATIC NYLON-6 FILLED WITH ZnO WHISKERS Page Range: p.421-431 Author(s): Ming Liang Luo; Guang Rui Lao; Ji Hui He; Jian Qing Zhao; Wei Zhuang Chen File size: 247K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/preparation-and-characterisation-of-antistatic-nylon-6-filled-with-zno-whiskers/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERISATION OF ANTISTATIC NYLON-6 FILLED WITH ZnO WHISKERS** Page Range: p.421-431 Author(s): Ming Liang Luo; Guang Rui Lao; Ji Hui He; Jian Qing Zhao; Wei Zhuang Chen File size: 247K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100297&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** Nylon-6 antistatic composites filled with zinc oxide whiskers were prepared by melt blending. The whiskers were treated with a coupling agent. Electrical, mechanical and rheological properties were determined and the effect of the zinc oxide whisker loading on these properties, was determined. The structure of the composites, their morphology, thermal properties and crystallisation behaviour were characterised by FTIR, SEM, TGA, WAXD and DSC. Results showed that the whiskers were well dispersed in the nylon-6 matrix. Crystallinity, melt temperature, tensile strength and hardness decreased gradually with increasing whisker content, but the antistatic performance, processing properties and thermal stability improved. 24 refs. --- --- Source: https://polymerjournals.com/prediction-and-detection-of-failures-in-laminated-composite-materials-using-neural-networks-a-review/ # PREDICTION AND DETECTION OF FAILURES IN LAMINATED COMPOSITE MATERIALS USING NEURAL NETWORKS – A REVIEW > Title: PREDICTION AND DETECTION OF FAILURES IN LAMINATED COMPOSITE MATERIALS USING NEURAL NETWORKS – A REVIEW Page Range: p.433-441 Author(s): Addin A O; Sapuan S M; Mahdi E; Othman M File size: 105K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/prediction-and-detection-of-failures-in-laminated-composite-materials-using-neural-networks-a-review/ Published: 2006-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTION AND DETECTION OF FAILURES IN LAMINATED COMPOSITE MATERIALS USING NEURAL NETWORKS – A REVIEW** Page Range: p.433-441 Author(s): Addin A O; Sapuan S M; Mahdi E; Othman M File size: 105K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-4&JournalID=100298&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 4 **Abstract** This article describes combined computational techniques with the use of neural networks as a quantitative method, and natural frequencies, electrical conductivity, and lamb waves as non-destructive methods used to identify failures in laminated composite materials. Neural networks demonstrated robust and uncontroversial capabilities for complex failure detection and prediction in laminated composite materials with small errors. These failures include delamination, matrix cracking, fibre fracture and debonding. The presence of these failures is reported in terms of size, location and shape. 51 refs. --- --- Source: https://polymerjournals.com/composite-from-wood-fibres-bonded-with-renewable-wood-resin/ # COMPOSITE FROM WOOD FIBRES BONDED WITH RENEWABLE WOOD RESIN > Title: COMPOSITE FROM WOOD FIBRES BONDED WITH RENEWABLE WOOD RESIN Page Range: p.217-227 Author(s): Ghosh A; Sain M File size: 209K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No:... Canonical URL: https://polymerjournals.com/composite-from-wood-fibres-bonded-with-renewable-wood-resin/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPOSITE FROM WOOD FIBRES BONDED WITH RENEWABLE WOOD RESIN** Page Range: p.217-227 Author(s): Ghosh A; Sain M File size: 209K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100280&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** A renewable wood resin, used as a binder for wood fibres in the manufacture of environmentally friendly fibreboard composites is tested for its efficiency. It is used in combination with urea-formaldehyde resin to improve economy and performance, and to reduce the levels of formaldehyde emission in indoor applications. Fibreboard composites bonded with 5 wt% wood resin and 5 wt% urea-formaldehyde resin were considered as representative fibreboards for the purposes of investigating the effect of cure temperature and time in more detail. Results indicated that optimisation of the mechanical performance and dimensional stability of the fibreboard composites was achieved a the cure temperature of 200 degrees C, cure time of 10 mins and pressure of 7MPa. 26 refs. --- --- Source: https://polymerjournals.com/measurement-of-the-average-permeability-of-natural-fibre-mats-in-resin-transfer-moulding-application/ # MEASUREMENT OF THE AVERAGE PERMEABILITY OF NATURAL FIBRE MATS IN RESIN TRANSFER MOULDING APPLICATION > Title: MEASUREMENT OF THE AVERAGE PERMEABILITY OF NATURAL FIBRE MATS IN RESIN TRANSFER MOULDING APPLICATION Page Range: p.229-238 Author(s): Rouison D; Couturier M; Panthapulakkal S; Sain M File size: 209K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/measurement-of-the-average-permeability-of-natural-fibre-mats-in-resin-transfer-moulding-application/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MEASUREMENT OF THE AVERAGE PERMEABILITY OF NATURAL FIBRE MATS IN RESIN TRANSFER MOULDING APPLICATION** Page Range: p.229-238 Author(s): Rouison D; Couturier M; Panthapulakkal S; Sain M File size: 209K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100281&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** The permeability of hemp fibre mats used in a resin transfer moulding process were computed from the measured mould filling time using a simplified mathematical approach. This approach could be applied because of the simple geometry of the mould and because a certain number of assumptions were made. The main assumption, which stated that the flow front of the resin was sharp and symmetric, was verified by observing some unfinished parts. Further simplification of the solution resulted in a non-dimensional number that was used for the computation of the permeabilities. In order to take into account the approximations made in the model, the solution was calibrated using data from the literature and experimental results for a 20% glass fibre preform. From this number, the permeability obtained from the experimental measurement of the injection time was found to decrease with increasing fibre content. The values obtained for hemp were lower than for glass fibres. This preliminary work is claimed to show the importance of studying the permeability of natural fibre systems in order to provide the data necessary for the proper design of industrial moulds. 18 refs. --- --- Source: https://polymerjournals.com/predicting-the-elastic-modulus-of-hybrid-fibre-reinforced-thermoplastics/ # PREDICTING THE ELASTIC MODULUS OF HYBRID FIBRE REINFORCED THERMOPLASTICS > Title: PREDICTING THE ELASTIC MODULUS OF HYBRID FIBRE REINFORCED THERMOPLASTICS Page Range: p.239-249 Author(s): Facca A G; Kortschot M T; Yan N File size: 177K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/predicting-the-elastic-modulus-of-hybrid-fibre-reinforced-thermoplastics/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTING THE ELASTIC MODULUS OF HYBRID FIBRE REINFORCED THERMOPLASTICS** Page Range: p.239-249 Author(s): Facca A G; Kortschot M T; Yan N File size: 177K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100282&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** In this study, a modified hybrid rule of mixtures equation (HROM) was presented to predict the tensile moduli of hybrid composites. Experimental data from single fibre reinforced thermoplastics formed the basis of the modification. Combinations of E-glass, hemp and hardwood flour were blended into HDPE in total fibre loadings of 10 to 60 wt% to produce hybrid composites. The density and Young's modulus of the hybrid composites fell between the extreme values obtained for the single fibre composites. It was shown that by adding E-glass fibres or hemp fibres to hardwood flour, the tensile modulus of the single hardwood reinforced thermoplastics could be increased with a minimal increase in density. The modified rule of hybrid mixtures equation was found to adequately predict the tensile modulus of the hybrid composites. 9 refs. --- --- Source: https://polymerjournals.com/contact-angle-of-epoxy-resin-measured-by-capillary-impregnation-and-the-wilhelmy-technique/ # CONTACT ANGLE OF EPOXY RESIN MEASURED BY CAPILLARY IMPREGNATION AND THE WILHELMY TECHNIQUE > Title: CONTACT ANGLE OF EPOXY RESIN MEASURED BY CAPILLARY IMPREGNATION AND THE WILHELMY TECHNIQUE Page Range: p.251-259 Author(s): Min Li; Zuo Guang Zhang; Zhi Jie Sun File size: 114K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/contact-angle-of-epoxy-resin-measured-by-capillary-impregnation-and-the-wilhelmy-technique/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CONTACT ANGLE OF EPOXY RESIN MEASURED BY CAPILLARY IMPREGNATION AND THE WILHELMY TECHNIQUE** Page Range: p.251-259 Author(s): Min Li; Zuo Guang Zhang; Zhi Jie Sun File size: 114K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100283&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** The contact angle of an epoxy resin, as a widely used polymeric matrix, was studied by impregnation in single glass capillaries at the manufacturing temperature of the composites. In order to obtain the net wicking mass for capillary experiments, the meniscus force at the bottom of the glass tube was investigated using the Wilhelmy technique with glass sticks of various diameters. Results indicated that the contact angles resulting from equilibrium using both capillary impregnation and the Wilhelmy experiment are consistent, which proved the reliability of the practical evaluation of the effect of the meniscus on the penetration mass. The equilibrium contact angle of epoxy resin for the Wilhelmy method was 59 degrees and 61 degrees for the capillary impregnation of glass tubes. Therefore, the contact angle of epoxy resin is approximately 60 degrees a the test temperature of 80 degrees. 19 refs. --- --- Source: https://polymerjournals.com/semi-interpenetrating-conducting-elastomer-composite-thin-films-from-polyaniline/ # SEMI-INTERPENETRATING CONDUCTING ELASTOMER COMPOSITE THIN FILMS FROM POLYANILINE > Title: SEMI-INTERPENETRATING CONDUCTING ELASTOMER COMPOSITE THIN FILMS FROM POLYANILINE Page Range: p.261-269 Author(s): Sreeja R; Sharma P D; Najidha S; Jayan S R; Predeep P File size: 124K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/semi-interpenetrating-conducting-elastomer-composite-thin-films-from-polyaniline/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SEMI-INTERPENETRATING CONDUCTING ELASTOMER COMPOSITE THIN FILMS FROM POLYANILINE** Page Range: p.261-269 Author(s): Sreeja R; Sharma P D; Najidha S; Jayan S R; Predeep P File size: 124K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100284&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** Conductive polyaniline (PANI) was blended with elastomers (NR and NBR) by a wet mixing process with the aim of producing flexible ultra thin conductive films. The rubbers used were raw, without any vulcanisation, and thus could be easily fabricated as thin films by solution casting. The compatibility of the polymer blends was estimated experimentally by spectroscopic and swelling studies. Good conductive properties were found for NR composite films with 30 wt% of HCl treated PANI and NBR composite films with 20 wt% of HCl treated PANI. Spectroscopic analysis and swelling measurements indicated that the composites were not just simple blends, but were rather complex macromolecular systems in which the electrical conductivity and mechanical properties of the composites depended on the nature and interaction between the rubber matrices. HCl treated PANI acted as both a reinforcement and a conductive filler in blends with NR. With nitrile rubber, HCl treated PANI improved the conductive behaviour and increased the rigidity of the films. The method is claimed to open up a new technique for the preparation of stable conductive thin films of PANI using dopants such as HCl. 24 refs. --- --- Source: https://polymerjournals.com/the-characteristics-of-polypropylene-layered-silicate-nanocomposites/ # THE CHARACTERISTICS OF POLYPROPYLENE LAYERED-SILICATE NANOCOMPOSITES > Title: THE CHARACTERISTICS OF POLYPROPYLENE LAYERED-SILICATE NANOCOMPOSITES Page Range: p.271-279 Author(s): Suzhu Yu; Songlin Liu; Jianhong Zhao; Hong Xie; Ming Shyan Yong File size: 213K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/the-characteristics-of-polypropylene-layered-silicate-nanocomposites/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE CHARACTERISTICS OF POLYPROPYLENE LAYERED-SILICATE NANOCOMPOSITES** Page Range: p.271-279 Author(s): Suzhu Yu; Songlin Liu; Jianhong Zhao; Hong Xie; Ming Shyan Yong File size: 213K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100285&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** Organoclay reinforced polypropylene nanocomposites were prepared by melt intercalation using extrusion, and their structural, rheological and mechanical properties were investigated. The morphologies of the composites were observed with TEM and the linear viscoelastic and flow properties were studied as a function of temperature and organoclay concentration. An increase in the organoclay concentration from 1 to 7.5 wt% resulted in an increase in the loss and storage moduli as well as in the steady shear viscosity of nanocomposites at different temperatures, particularly at low frequencies. The steady shear viscosity of both PP and its nanocomposites exhibited Newtonian behaviour at low shear rates followed by a shear thinning region. The onset of shear thinning occurred at significantly lower shear rates. The elastic modulus of the PP nanocomposite containing 10 wt% of organoclay was increased by around 25% compared to the neat PP. 20 refs. --- --- Source: https://polymerjournals.com/thermal-and-dynamic-mechanical-properties-of-low-density-polyethylene-silica-nanocomposites-effect-of-zinc-ion-coating-on-nanosilica/ # THERMAL AND DYNAMIC MECHANICAL PROPERTIES OF LOW DENSITY POLYETHYLENE-SILICA NANOCOMPOSITES: EFFECT OF ZINC-ION COATING ON NANOSILICA > Title: THERMAL AND DYNAMIC MECHANICAL PROPERTIES OF LOW DENSITY POLYETHYLENE-SILICA NANOCOMPOSITES: EFFECT OF ZINC-ION COATING ON NANOSILICA Page Range: p.281-290 Author(s): Reddy C S; Das C K File size: 255K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/thermal-and-dynamic-mechanical-properties-of-low-density-polyethylene-silica-nanocomposites-effect-of-zinc-ion-coating-on-nanosilica/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL AND DYNAMIC MECHANICAL PROPERTIES OF LOW DENSITY POLYETHYLENE-SILICA NANOCOMPOSITES: EFFECT OF ZINC-ION COATING ON NANOSILICA** Page Range: p.281-290 Author(s): Reddy C S; Das C K File size: 255K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100286&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** The effect of zinc coating nano-silica particles with zinc ions before incorporation into an LDPE polymer matrix is studied. It was found that the coating improved the reinforcing effect of the filler, and allowed for the use of much lower loading level. This is reported to be due to a decrease in the polarity of the nano-silica surface on zinc ion coating, which prevented agglomeration of the silica particles and thus promoted their effective dispersion in the polymer matrix. The zinc coated nano-silica filled LDPE was found to have 26% higher elastic modulus than the uncoated version and 58% higher elastic modulus. In addition, the coated nano-silica filled nanocomposite was found to be more thermally stable as indicated by TGA thermograms. AFM surface topography of the nanocomposite showed agglomerated particles which were not observed in the case of the coated silica nanocomposites, and more uniform surface and lower roughness was observed in the coated nano-silica composites. 21 refs. --- --- Source: https://polymerjournals.com/toughening-of-polycarbonate-with-organic-inorganic-hybrid-materials/ # TOUGHENING OF POLYCARBONATE WITH ORGANIC-INORGANIC HYBRID MATERIALS > Title: TOUGHENING OF POLYCARBONATE WITH ORGANIC-INORGANIC HYBRID MATERIALS Page Range: p.291-300 Author(s): Zhiyi Zhang; Ning Zhao; Wei Wei; Dong Wu; Yuhan Sun File size: 281K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/toughening-of-polycarbonate-with-organic-inorganic-hybrid-materials/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TOUGHENING OF POLYCARBONATE WITH ORGANIC-INORGANIC HYBRID MATERIALS** Page Range: p.291-300 Author(s): Zhiyi Zhang; Ning Zhao; Wei Wei; Dong Wu; Yuhan Sun File size: 281K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100287&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** Polycarbonate was modified with acrylic polymers to increase its impact strength. However, bending and tensile strength decrease as a result. In order to compensate for this, inorganic nanoparticles were added as modifiers. In addition to improving impact, bending and tensile strengths, the alloys exhibited lower melt viscosities and processing temperatures than polycarbonate. SEM results indicated that the inorganic particles (silicon dioxide, calcium carbonate, montmorillonite) and the acrylic ester polymer were all dispersed in the polycarbonate matrix, forming a co-continuous phase. 41 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-eva-mmt-nanocomposites/ # PREPARATION AND CHARACTERIZATION OF EVA/MMT NANOCOMPOSITES > Title: PREPARATION AND CHARACTERIZATION OF EVA/MMT NANOCOMPOSITES Page Range: p.301-306 Author(s): Qianping Ran; Hongyan Hua; Yan Tian; Shishan Wu; Jian Shen File size: 94K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-eva-mmt-nanocomposites/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF EVA/MMT NANOCOMPOSITES** Page Range: p.301-306 Author(s): Qianping Ran; Hongyan Hua; Yan Tian; Shishan Wu; Jian Shen File size: 94K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100288&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** Polymer-layered silicate nanocomposites provide improved properties as compared to conventional filled microcomposites. In this paper, the montmorillonite was treated with hexadecyl trimethylammonium bromide (CTAB) swelling agent and then dispersed in EVA by melt intercalation to form EVA/MMT-CTAB nanocomposites. Their structures and properties were studied by FTIR, XRD, TGA, the Molau test, and tensile and tear strength measurements. The results showed that those silicate layers of MMT treated with the swelling agent were dispersed in the EVA matrix on a nanometer scale, and that intercalated EVA/MMT-CTAB nanocomposites had superior mechanical and thermal properties. 13 refs. --- --- Source: https://polymerjournals.com/finite-element-simulation-on-thermoforming-acrylic-sheets-using-dynamic-explicit-method/ # FINITE ELEMENT SIMULATION ON THERMOFORMING ACRYLIC SHEETS USING DYNAMIC EXPLICIT METHOD > Title: FINITE ELEMENT SIMULATION ON THERMOFORMING ACRYLIC SHEETS USING DYNAMIC EXPLICIT METHOD Page Range: p.307-328 Author(s): Dong Y; Lin R J T; Bhattacharyya D File size: 1106K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/finite-element-simulation-on-thermoforming-acrylic-sheets-using-dynamic-explicit-method/ Published: 2006-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FINITE ELEMENT SIMULATION ON THERMOFORMING ACRYLIC SHEETS USING DYNAMIC EXPLICIT METHOD** Page Range: p.307-328 Author(s): Dong Y; Lin R J T; Bhattacharyya D File size: 1106K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc14-3&JournalID=100289&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 14 Issue No: No. 3 **Abstract** Studies are carried out with the help of a dynamic explicit finite element software package, PAM-FORM, to understand the thermoforming mechanisms of a polymeric sheet and their effects on the final geometry. A hyperelastic constitutive law based on the Mooney-Rivlin model was successfully adopted to carry out the initial simulation on bubble inflation and to identify the material parameters. A good agreement of the deformation profile with the experimental results was found. Further investigations were concentrated on the thickness distribution analysis and the strain states of the bubble inflation along with a comparison with the results from kinematic Grid Strain Analysis. The numerical simulation of pressure forming of a cup, whose forming mechanisms were explained reasonably well with the available Williams' analytical solutions, is also presented. The adaptive mesh refinement scheme was used in the simulation of thermoforming a complex-shaped rectangular container to predict the wall thickness distribution. The final simulation results of the deformation at different stages of the forming process and the analyses of final part geometry are also included. 29 refs. --- --- Source: https://polymerjournals.com/analytical-solution-for-cohesive-layer-model-and-model-verification/ # ANALYTICAL SOLUTION FOR COHESIVE LAYER MODEL AND MODEL VERIFICATION > Title: ANALYTICAL SOLUTION FOR COHESIVE LAYER MODEL AND MODEL VERIFICATION Page Range: p.741-752 Author(s): Roy S; Yong Wang File size: 178K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No:... Canonical URL: https://polymerjournals.com/analytical-solution-for-cohesive-layer-model-and-model-verification/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANALYTICAL SOLUTION FOR COHESIVE LAYER MODEL AND MODEL VERIFICATION** Page Range: p.741-752 Author(s): Roy S; Yong Wang File size: 178K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100249&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** The objective of this work was to find a solution to the cohesive damaged zone that may occur at the interface between a fibre reinforced polymer plate and concrete structure, when considering elastic deformation in the substrate. The structure incorporates a structural adhesive. The work aims to provide data to be used in civil engineering applications such as infrastructure retrofit and repair. For this purpose, the procedure was that a two-dimensional cohesive layer constitutive model with a prescribed traction-separation law was constructed from basic principles of continuum mechanics. Detailed benchmark comparisons of analytical results with finite element predictions for a double cantilever beam specimen were performed for model verification, and issues related to cohesive layer thickness were investigated. It was observed that the assumption of a rigid substrate in analytical modelling could lead to inaccurate analytical prediction of the cohesive damage zone length. 10 refs. --- --- Source: https://polymerjournals.com/transport-and-flame-properties-of-natural-fibre-reinforced-polymers/ # TRANSPORT AND FLAME PROPERTIES OF NATURAL FIBRE REINFORCED POLYMERS > Title: TRANSPORT AND FLAME PROPERTIES OF NATURAL FIBRE REINFORCED POLYMERS Page Range: p.753-764 Author(s): Torres F G; Flores R; Dienstmaier J F; Quintana O A File size: 349K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/transport-and-flame-properties-of-natural-fibre-reinforced-polymers/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TRANSPORT AND FLAME PROPERTIES OF NATURAL FIBRE REINFORCED POLYMERS** Page Range: p.753-764 Author(s): Torres F G; Flores R; Dienstmaier J F; Quintana O A File size: 349K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100250&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** The thermal conductivity, water absorption and linear burn rate of sisal fibre-reinforced HDPE and degradable starch-based polymers were investigated. The effect of fibre content, moisture and void fractions on the thermal conductivity was studied. From the water absorption tests, it was determined that water diffusion in natural fibre-reinforced plastics corresponded to a Fickian process only in the early stages of diffusion. Diffusivities were obtained for that case. Linear burn rate experiments showed that sisal reinforced polymers burned twice as fast as unreinforced HDPE specimens. The reinforced specimens, however, showed better structural integrity during burning than the unreinforced ones, probably due to an increase in viscosity and melt strength, because of the presence of reinforcing fibres. 39 refs. --- --- Source: https://polymerjournals.com/yield-behaviour-of-rubber-modified-epoxy-adhesives-under-multiaxial-stress-conditions-effect-of-plastic-deformability-of-the-matrix-phase/ # YIELD BEHAVIOUR OF RUBBER-MODIFIED EPOXY ADHESIVES UNDER MULTIAXIAL STRESS CONDITIONS: EFFECT OF PLASTIC DEFORMABILITY OF THE MATRIX PHASE > Title: YIELD BEHAVIOUR OF RUBBER-MODIFIED EPOXY ADHESIVES UNDER MULTIAXIAL STRESS CONDITIONS: EFFECT OF PLASTIC DEFORMABILITY OF THE MATRIX PHASE Page Range: p.765-776 Author(s): Imanaka M; Yamashita D; Suzuki Y; Fujinami A File size: 428K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/yield-behaviour-of-rubber-modified-epoxy-adhesives-under-multiaxial-stress-conditions-effect-of-plastic-deformability-of-the-matrix-phase/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: YIELD BEHAVIOUR OF RUBBER-MODIFIED EPOXY ADHESIVES UNDER MULTIAXIAL STRESS CONDITIONS: EFFECT OF PLASTIC DEFORMABILITY OF THE MATRIX PHASE** Page Range: p.765-776 Author(s): Imanaka M; Yamashita D; Suzuki Y; Fujinami A File size: 428K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100251&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** In this study, the effect of plastic deformability of the matrix phase on the yielding behaviour of the rubber-modified epoxy adhesives was examined. Yield behaviour was measured by use of butt and scarf joints subjected to tensile loading, and to a butt joint with a thin-walled tube subjected to torsional loading. A reactive diluent was used to vary the plastic deformability of the matrix phase. The applicability of Gurson's model was checked by comparing the experimentally-obtained yield stresses in these joints with those calculated by a finite element method. As a result, it was confirmed that the yield stress of the rubber-modified adhesives with different matrix phases could be approximately estimated from Gurson's model. Thus, the effect of plastic deformability of the matrix phase on Gurson's parameter could be discussed. 13 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-thermoplastic-polyamide-imide-and-polyurea-amide-imide-copper-foil-composites/ # PREPARATION AND PROPERTIES OF THERMOPLASTIC POLYAMIDE-IMIDE AND POLYUREA-AMIDE-IMIDE/COPPER FOIL COMPOSITES > Title: PREPARATION AND PROPERTIES OF THERMOPLASTIC POLYAMIDE-IMIDE AND POLYUREA-AMIDE-IMIDE/COPPER FOIL COMPOSITES Page Range: p.777-794 Author(s): Meng-Shun Huang; Ming-Chien Yang; Shen Chou File size: 258K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-thermoplastic-polyamide-imide-and-polyurea-amide-imide-copper-foil-composites/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF THERMOPLASTIC POLYAMIDE-IMIDE AND POLYUREA-AMIDE-IMIDE/COPPER FOIL COMPOSITES** Page Range: p.777-794 Author(s): Meng-Shun Huang; Ming-Chien Yang; Shen Chou File size: 258K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100252&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** Polyimides are used extensively in printed circuit boards, but their applications have been limited due to their high softening temperatures and their insoluble nature in most organic solvents. Polyamide-imide and polyurea-imide resins have been developed to overcome these disadvantages. They include amide and urea groups respectively in their main chains to improve solubility and adhesion. In this paper, polyamide-imide (PAI) and polyurea-amide-imide (PUAI) resins were polymerised from five reactants: 4,4'-oxydianiline, 4-nitrobenzoyl chloride, 4,4'-diphenylmethane diisocyanate, 1,2,4,5-benzenetetracarboxylic dianhydride, and 3,3'-4,4'-benzophenone tetracarboxylic dianhydride. Their chemical structures were characterised using elemental analysis, FTIR and high nuclear magnetic resonance. Thermal properties, adhesive properties, electrical properties, heat resistance, and chemical resistance were also studied. Results indicate the suitability of these materials for use in the manufacture of flexible printed circuit boards. 20 refs. --- --- Source: https://polymerjournals.com/the-effect-of-polyethylene-octene-elastomer-on-the-morphological-and-mechanical-properties-of-polyamide-6-polypropylene-nanocomposites/ # THE EFFECT OF POLYETHYLENE-OCTENE ELASTOMER ON THE MORPHOLOGICAL AND MECHANICAL PROPERTIES OF POLYAMIDE 6/POLYPROPYLENE NANOCOMPOSITES > Title: THE EFFECT OF POLYETHYLENE-OCTENE ELASTOMER ON THE MORPHOLOGICAL AND MECHANICAL PROPERTIES OF POLYAMIDE 6/POLYPROPYLENE NANOCOMPOSITES Page Range: p.795-805 Author(s): Wahit M U; Hassan A; Ishak Z A M; Bakar A A File size: 359K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/the-effect-of-polyethylene-octene-elastomer-on-the-morphological-and-mechanical-properties-of-polyamide-6-polypropylene-nanocomposites/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECT OF POLYETHYLENE-OCTENE ELASTOMER ON THE MORPHOLOGICAL AND MECHANICAL PROPERTIES OF POLYAMIDE 6/POLYPROPYLENE NANOCOMPOSITES** Page Range: p.795-805 Author(s): Wahit M U; Hassan A; Ishak Z A M; Bakar A A File size: 359K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100253&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** The aim of this research is to strike a balance of stiffness, strength and toughness in polyethylene-octene elastomer- (POE-)toughened PA6/PP nanocomposites, using the weight ratio of PA6/PP 70:30. For this purpose ,the effect was investigated of POE concentration on the tensile, flexural, and Izod impact properties and on the morphological aspects of the blends. The fracture toughness was also measured. While the tensile and flexural properties were found to decrease with the increasing concentration of POE, the toughness was found to be significantly enhanced as compared to the neat PA6/PP blends. 32 refs. --- --- Source: https://polymerjournals.com/poly2-hydroxy-ethyl-methacrylate-co-acrylic-acid-as-novel-biodegradable-macroporous-hydrogel/ # POLY(2-HYDROXY ETHYL METHACRYLATE-CO-ACRYLIC ACID) AS NOVEL BIODEGRADABLE MACROPOROUS HYDROGEL > Title: POLY(2-HYDROXY ETHYL METHACRYLATE-CO-ACRYLIC ACID) AS NOVEL BIODEGRADABLE MACROPOROUS HYDROGEL Page Range: p.807-814 Author(s): Mohapatra R; Swain A K; Mohapatra R; Rana P K; Sahoo P K File size: 202K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/poly2-hydroxy-ethyl-methacrylate-co-acrylic-acid-as-novel-biodegradable-macroporous-hydrogel/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLY(2-HYDROXY ETHYL METHACRYLATE-CO-ACRYLIC ACID) AS NOVEL BIODEGRADABLE MACROPOROUS HYDROGEL** Page Range: p.807-814 Author(s): Mohapatra R; Swain A K; Mohapatra R; Rana P K; Sahoo P K File size: 202K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100254&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** The main purpose of this work was to develop a new copolymer hydrogel, poly(2-hydroxy ethyl methacrylate-co-acrylic acid(P(HEMA-co-AA) with a crosslinker, MBA, because of its future prospects in drug delivery. The structure of the copolymer was characterised by FTIR, H-NMR and SEM, and its thermal stability was investigated by thermogravimetric analysis. Its hydrogel character was observed by studying the swelling of the copolymers by measuring weight gain and loss. The biodegradability of the copolymers was studied by introducing microbes into the culture media along with the prepared sample, and it was verified by examining the surface morphology by SEM. The rate of biodegradation was monitored by the carbon dioxide release method. Results indicated that the copolymer as suitable for implementation in various drug delivery systems and in the manufacture of medical devices for diagnostic purposes, because of its hydrogel character and inter-communicating macropores, along with its high thermal stability. 36 refs. --- --- Source: https://polymerjournals.com/preparation-of-nbr-expanded-graphite-nanocomposites-by-simple-mixing/ # PREPARATION OF NBR/EXPANDED GRAPHITE NANOCOMPOSITES BY SIMPLE MIXING > Title: PREPARATION OF NBR/EXPANDED GRAPHITE NANOCOMPOSITES BY SIMPLE MIXING Page Range: p.815-821 Author(s): Liu D W; Du X S; Meng Y Z File size: 145K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/preparation-of-nbr-expanded-graphite-nanocomposites-by-simple-mixing/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION OF NBR/EXPANDED GRAPHITE NANOCOMPOSITES BY SIMPLE MIXING** Page Range: p.815-821 Author(s): Liu D W; Du X S; Meng Y Z File size: 145K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100255&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** This article reports on the synthesis of elastomer/expanded graphite nanocomposites by melt mixing. The properties of the resulting nanocomposites and the nanoscale dispersion of the graphite sheets within a NBR matrix are investigated and discussed. The mechanical properties of the NBR/EG nanocomposites showed a remarkable improvement in tensile strength, it is reported. Dynamic mechanical analysis showed that the expanded graphite imparted a higher storage modulus and lower glass transition temperature to the NBR matrix. The expanded graphite was also shown to be effective in increasing the electrical conductivity of the composites. 16 refs. --- --- Source: https://polymerjournals.com/the-construction-and-analysis-of-a-prediction-model-for-combining-the-taguchi-method-and-general-regression-neural-network-for-injection-moulding/ # THE CONSTRUCTION AND ANALYSIS OF A PREDICTION MODEL FOR COMBINING THE TAGUCHI METHOD AND GENERAL REGRESSION NEURAL NETWORK FOR INJECTION MOULDING > Title: THE CONSTRUCTION AND ANALYSIS OF A PREDICTION MODEL FOR COMBINING THE TAGUCHI METHOD AND GENERAL REGRESSION NEURAL NETWORK FOR INJECTION MOULDING Page Range: p.823-829 Author(s): Chung-Feng Jeffrey Kuo; Yung-Chang Li; Yi-Shiuan Wu File size: 154K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/the-construction-and-analysis-of-a-prediction-model-for-combining-the-taguchi-method-and-general-regression-neural-network-for-injection-moulding/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE CONSTRUCTION AND ANALYSIS OF A PREDICTION MODEL FOR COMBINING THE TAGUCHI METHOD AND GENERAL REGRESSION NEURAL NETWORK FOR INJECTION MOULDING** Page Range: p.823-829 Author(s): Chung-Feng Jeffrey Kuo; Yung-Chang Li; Yi-Shiuan Wu File size: 154K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100256&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** In order to avoid dimensional errors after the injection moulding process, processing parameters are established to effectively provide dimensional control. In this work, particular attention is given to reducing the dimensional error in the hexagonal screw diameter when processing engineering plastics such as PEEK, and to also improve the quality of the polymer. Factor levels were chosen according to the chosen quality characteristics, and a prediction model for the injection process was constructed using the Taguchi quality method and a general regression neural network. The optimum conditions determined by the Taguchi method could be modified by the neural network. It was thus demonstrated that the injection moulded product could achieve reduced dimensional errors by adjusting the factor levels using this combined approach. 11 refs. --- --- Source: https://polymerjournals.com/polyamidoamine-pamam-dendrimers-in-dye-decolorisation-brief-communication/ # POLYAMIDOAMINE (PAMAM) DENDRIMERS IN DYE DECOLORISATION. BRIEF COMMUNICATION > Title: POLYAMIDOAMINE (PAMAM) DENDRIMERS IN DYE DECOLORISATION. BRIEF COMMUNICATION Page Range: p.831-833 Author(s): Cheng Yiyun; Fu Rongqiang; Xu Tongwen File size: 69K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue... Canonical URL: https://polymerjournals.com/polyamidoamine-pamam-dendrimers-in-dye-decolorisation-brief-communication/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYAMIDOAMINE (PAMAM) DENDRIMERS IN DYE DECOLORISATION. BRIEF COMMUNICATION** Page Range: p.831-833 Author(s): Cheng Yiyun; Fu Rongqiang; Xu Tongwen File size: 69K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100257&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** This article reports on an investigation of the ability of polyamidoamine (PAMAM) dendrimers to decolourise dye solutions, as exemplified by the triarylmethane dye known as Water blue. PAMAM solutions were prepared and Water blue was dried in a hot air convection oven. Various volumes of PAMAM solution were added to dye solutions and distilled water was added to make a total volume of 60 mL. Following equilibration, the samples were centrifuged and visible light absorbances were determined by a UV-Vis spectrophotometer in order to trace the progress of decolourisation. It was found that PAMAM dendrimers could effectively decolourise this type of dye and that it was also possible to increase the dye decolourising activity of PAMAM dendrimers by selection of the optimal conditions. The highest colour removal efficiency was 99.3%. Colour removal was most effective when the test solutions were at a high pH level (over 7). 5 refs. --- --- Source: https://polymerjournals.com/the-cure-and-thermal-behaviour-of-mgoh2-epoxy-resin-deea-nanocomposites-prepared-by-a-novel-method-brief-communication/ # THE CURE AND THERMAL BEHAVIOUR OF MG(OH)2/EPOXY RESIN/DEEA NANOCOMPOSITES PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION > Title: THE CURE AND THERMAL BEHAVIOUR OF MG(OH)2/EPOXY RESIN/DEEA NANOCOMPOSITES PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION Page Range: p.835-838 Author(s): Cheng Yiyun; He Pingsheng; Cui Ronghui File size: 111K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/the-cure-and-thermal-behaviour-of-mgoh2-epoxy-resin-deea-nanocomposites-prepared-by-a-novel-method-brief-communication/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE CURE AND THERMAL BEHAVIOUR OF MG(OH)2/EPOXY RESIN/DEEA NANOCOMPOSITES PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION** Page Range: p.835-838 Author(s): Cheng Yiyun; He Pingsheng; Cui Ronghui File size: 111K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100258&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** Magnesium hydroxide is a smoke-reducing and non-toxic additive that has been extensively used in halogen-free flame retardant polymeric materials. However, it's low flame retardant efficiency and the very high loadings that are consequently required when used in its ordinary form, lower the mechanical properties of a flame-retarded polymeric composition. It has been reported that nanosized magnesium hydroxide/polymeric compositions have the potential to solve such problems due to the mechanically reinforcing and flame retardant functions of nanosized composite materials. This study reports on the cure and thermal behaviour of these epoxy resin/magnesium hydroxide composites. The results of tests indicate enhanced thermal stability. This is claimed to be partly attributable to the prevention of out-diffusion of the volatile gas from the thermally decomposed particles, because magnesium hydroxide nanoparticles, when well-dispersed in epoxy networks, act as gas barriers, reducing the permeability of the volatile gas. 10 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterization-of-ni%c2%b2-montmorillonite-polyvinyl-alcohol-water-soluble-nanocomposite-film/ # PREPARATION AND CHARACTERIZATION OF NI²+-MONTMORILLONITE/POLYVINYL ALCOHOL WATER-SOLUBLE NANOCOMPOSITE FILM > Title: PREPARATION AND CHARACTERIZATION OF NI²+-MONTMORILLONITE/POLYVINYL ALCOHOL WATER-SOLUBLE NANOCOMPOSITE FILM Page Range: p.839-846 Author(s): Li-Ping Wang; Yun-Pu Wang; Fa-Ai Zhang File size: 133K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13... Canonical URL: https://polymerjournals.com/preparation-and-characterization-of-ni%c2%b2-montmorillonite-polyvinyl-alcohol-water-soluble-nanocomposite-film/ Published: 2005-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERIZATION OF NI²+-MONTMORILLONITE/POLYVINYL ALCOHOL WATER-SOLUBLE NANOCOMPOSITE FILM** Page Range: p.839-846 Author(s): Li-Ping Wang; Yun-Pu Wang; Fa-Ai Zhang File size: 133K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-8&JournalID=100259&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 8 **Abstract** This paper describes the preparation of a new type of water-soluble nanocomposite film from polyvinyl alcohol, Ni²-montmorillonite (Ni²-MMT), a defoaming agent, a levelling agent, and a plasticiser. Its thermal characteristics were studied by DSC, and the intermolecular interactions were measured by FTIR and XPS. The tensile strength and elongation at break were also measured. The microstructures were studied by XRD and AFM. FTIR and XPS spectra indicated that crosslinking had taken place between PVA and Ni²-MMT. XRD and AFM indicated that the PVA molecules had inserted themselves into the silicate layers of MMT, exfoliating them and dispersing them randomly into the PVA matrix. Compared to pure PVA film, the tensile strength of the films increased and the elongation at break decreased when the Ni²-MMT was added and the dissolution temperature of the film was also reduced. 23 refs. --- --- Source: https://polymerjournals.com/silver-ion-release-from-polymethyl-methacrylate-silver-nanocomposites/ # SILVER ION RELEASE FROM POLYMETHYL METHACRYLATE SILVER NANOCOMPOSITES > Title: SILVER ION RELEASE FROM POLYMETHYL METHACRYLATE SILVER NANOCOMPOSITES Page Range: p.649-56 Author(s): Damm C File size: 225K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 Abstract... Canonical URL: https://polymerjournals.com/silver-ion-release-from-polymethyl-methacrylate-silver-nanocomposites/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SILVER ION RELEASE FROM POLYMETHYL METHACRYLATE SILVER NANOCOMPOSITES** Page Range: p.649-56 Author(s): Damm C File size: 225K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100240&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** Polymers used in medical packaging applications need to be transparent or translucent, and in addition, to have antibacterial properties. A translucent antimicrobial PMMA was prepared which was processable by the usual thermoplastic processing methods. Metallic silver nanoparticles were used as an inorganic antimicrobial filler. The PMMA silver nanocomposites were prepared by the thermal reduction of silver trifluoroacetate. Immersion of the nanocomposites in water led to a release of silver ions. The silver ion release was measured by anodic stripping voltammetry. It was found that since the silver particles situated near the sample surfaces were the main contributors to silver ion release, a coating of PMMA containing nanosilver could be sufficient to create silver releasing composites. 32 refs. --- --- Source: https://polymerjournals.com/emi-shielding-effectiveness-of-copper-epoxy-composites/ # EMI SHIELDING EFFECTIVENESS OF COPPER/EPOXY COMPOSITES > Title: EMI SHIELDING EFFECTIVENESS OF COPPER/EPOXY COMPOSITES Page Range: p.657-68 Author(s): Wetherhold R C; McManaman J M File size: 271K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No.... Canonical URL: https://polymerjournals.com/emi-shielding-effectiveness-of-copper-epoxy-composites/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EMI SHIELDING EFFECTIVENESS OF COPPER/EPOXY COMPOSITES** Page Range: p.657-68 Author(s): Wetherhold R C; McManaman J M File size: 271K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100241&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** The EMI shielding effectiveness of copper reinforced epoxy composites is testing using samples of different shaped, sized and treated specimens. A small amount of nickel powder was including in some specimens to evaluate the effect of magnetic permeability on the shielding effectiveness (SE). Results showed that a smaller fibre diameter resulted in significant SE improvements. SE was also substantially by relatively minor fibre shaping or by fine-scale roughening via chemical treatment. Improvements in SE were also achieved with essentially identical mechanical properties, leading to an effective multifunctional material. The addition of nickel powder led to in an overall improvement in SE as well as a cyclic dependence of SE frequency, which is reported to indicate phase interference at a scale of particle size not previously seen. 26 refs. --- --- Source: https://polymerjournals.com/image-analysis-of-elastomer-morphology-in-toughened-thermoplastic-and-thermoset-resins/ # IMAGE ANALYSIS OF ELASTOMER MORPHOLOGY IN TOUGHENED THERMOPLASTIC AND THERMOSET RESINS > Title: IMAGE ANALYSIS OF ELASTOMER MORPHOLOGY IN TOUGHENED THERMOPLASTIC AND THERMOSET RESINS Page Range: p.669-80 Author(s): Canavate J; Carrasco F; Pages P; Colom X File size: 293K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/image-analysis-of-elastomer-morphology-in-toughened-thermoplastic-and-thermoset-resins/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMAGE ANALYSIS OF ELASTOMER MORPHOLOGY IN TOUGHENED THERMOPLASTIC AND THERMOSET RESINS** Page Range: p.669-80 Author(s): Canavate J; Carrasco F; Pages P; Colom X File size: 293K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100242&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** Image analysis techniques were used to characterised the elastomer morphology of toughened thermoplastic and thermoset resins. The thermoplastic version comprised a polystyrene-based material with styrene-butadiene-styrene dispersed particles. The thermoset material was a polyester toughened with butadiene-acrylonitrile particles. Photomicrographs of the materials with different proportions of elastomer were processed and the images were analysed. Changes in the morphological characteristics were correlated with the fracture toughness and modulus of elasticity. 18 refs. --- --- Source: https://polymerjournals.com/ft-ir-study-of-the-morphological-interactions-in-phb-pazo-blends-and-their-dependence-on-solvent-variation/ # FT-IR STUDY OF THE MORPHOLOGICAL INTERACTIONS IN PHB/PAZO BLENDS AND THEIR DEPENDENCE ON SOLVENT VARIATION > Title: FT-IR STUDY OF THE MORPHOLOGICAL INTERACTIONS IN PHB/PAZO BLENDS AND THEIR DEPENDENCE ON SOLVENT VARIATION Page Range: p.681-6 Author(s): Sharma L; Nishida K; Kanaya T File size: 99K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/ft-ir-study-of-the-morphological-interactions-in-phb-pazo-blends-and-their-dependence-on-solvent-variation/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FT-IR STUDY OF THE MORPHOLOGICAL INTERACTIONS IN PHB/PAZO BLENDS AND THEIR DEPENDENCE ON SOLVENT VARIATION** Page Range: p.681-6 Author(s): Sharma L; Nishida K; Kanaya T File size: 99K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100243&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** The role played by the solvent in influencing the resultant blend morphology in semi-crystalline polyhydroxybutyrate (PHB) and polycarboxyhydroxyphenylazobenzenesulphonamidoethanediyl, sodium salt (PAZO) blends is demonstrated. The relationship is also established between the blend's FTIR profiles and the morphology. Also investigated is the possible formation of a PHB/PAZO complex. PHB/PAZO blends were prepared in chloroform, acetone and toluene, chosen because of the similarity of their solubility parameter to that of amorphous PHB. By using FTIR, the actual changes occurring within the blends could be demonstrated, and PHB bands could be located, which were associated with any changes in morphology. 14 refs. --- --- Source: https://polymerjournals.com/self-reinforcing-composites-of-polyacrylic-elastomers-and-liquid-crystalline-polymer-mechanical-thermal-and-dynamic-mechanical-properties/ # SELF-REINFORCING COMPOSITES OF POLYACRYLIC ELASTOMERS AND LIQUID CRYSTALLINE POLYMER: MECHANICAL, THERMAL, AND DYNAMIC MECHANICAL PROPERTIES > Title: SELF-REINFORCING COMPOSITES OF POLYACRYLIC ELASTOMERS AND LIQUID CRYSTALLINE POLYMER: MECHANICAL, THERMAL, AND DYNAMIC MECHANICAL PROPERTIES Page Range: p.687-95 Author(s): Shivakumar E; Das C K File size: 216K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/self-reinforcing-composites-of-polyacrylic-elastomers-and-liquid-crystalline-polymer-mechanical-thermal-and-dynamic-mechanical-properties/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SELF-REINFORCING COMPOSITES OF POLYACRYLIC ELASTOMERS AND LIQUID CRYSTALLINE POLYMER: MECHANICAL, THERMAL, AND DYNAMIC MECHANICAL PROPERTIES** Page Range: p.687-95 Author(s): Shivakumar E; Das C K File size: 216K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100244&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** In order to study the effect of liquid crystalline polymers (LCPs) as reinforcing agents for polyacrylic elastomers (ACM), blends of ACM and a liquid crystalline polymer were prepared using a melt mixing process. The blends were cured with ammonium benzoate and Diak-4,4,4'-methylenebis(cyclohexylamine) carbamate in order to study the curing behaviour of ACM in the presence of LCP. The blends were characterised by use of XRD, TGA, DSC and DMA, and an attempt was made to correlate the structures of the blends seen under scanning electron microscopy with the mechanical properties. Rheometric studies indicated the improved state and rate of cure of the blends with increasing levels of LCP and when Diak-4 was used as the curative. Tear strength and modulus of the ACM/LCP blends increased with increasing LCP content, and they increased at a higher rate in the presence of Diak-4. However, the tensile strength of all the blends reduced dramatically with increasing LCP which was attributed to poor interfacial adhesion between the ACM and LCP phases. The thermal stability of the ACM was affected by the presence of LCP, and the dynamic properties of the blends increased with LCP content. This improvement was reported to be very marked in the presence of Diak-4 curative. 21 refs. --- --- Source: https://polymerjournals.com/thermal-stability-and-flame-retardancy-of-polypropylene-with-phosphorus-nitrogen-and-silicon-containing-compounds/ # THERMAL STABILITY AND FLAME RETARDANCY OF POLYPROPYLENE WITH PHOSPHORUS, NITROGEN AND SILICON-CONTAINING COMPOUNDS > Title: THERMAL STABILITY AND FLAME RETARDANCY OF POLYPROPYLENE WITH PHOSPHORUS, NITROGEN AND SILICON-CONTAINING COMPOUNDS Page Range: p.697-707 Author(s): Qiang Li; Pingkai Jiang; Zhanpai Su; Ping Wei File size: 170K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/thermal-stability-and-flame-retardancy-of-polypropylene-with-phosphorus-nitrogen-and-silicon-containing-compounds/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL STABILITY AND FLAME RETARDANCY OF POLYPROPYLENE WITH PHOSPHORUS, NITROGEN AND SILICON-CONTAINING COMPOUNDS** Page Range: p.697-707 Author(s): Qiang Li; Pingkai Jiang; Zhanpai Su; Ping Wei File size: 170K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100245&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** Flame retardants containing phosphorus, nitrogen and silicon elements (PSiN) were synthesised and introduced into polypropylene. The thermal stability of PP, PSiN and PP/PSiN were studied by thermogravimetric analysis in nitrogen, air and oxygen atmospheres. The initial decomposition temperature (IDT), maximum-rate degradation temperature (Tmax), integral procedure decomposition temperature (IPDT) and char yield at 800 degrees C in various atmospheres were investigated. Although the IDT of PP was reduced by the introduction of PSiN, the Tmax, IPDT and char yield were all increased. The flame retardancy of PP/PSiN composites was evaluated by measuring the limiting oxygen index values. Thermal stabilities are reported to have agreed with the result of the flame retardancy tests. 37 refs. --- --- Source: https://polymerjournals.com/combined-effect-of-nano-clay-and-nano-carbon-black-on-properties-of-nr-nanocomposites/ # COMBINED EFFECT OF NANO-CLAY AND NANO-CARBON BLACK ON PROPERTIES OF NR NANOCOMPOSITES > Title: COMBINED EFFECT OF NANO-CLAY AND NANO-CARBON BLACK ON PROPERTIES OF NR NANOCOMPOSITES Page Range: p.709-19 Author(s): Jia Qing-xiu; Wu You-ping; Xiang Ping; Ye Xin; Wang Yi-qing; Zhang Li-qun File size: 236K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/combined-effect-of-nano-clay-and-nano-carbon-black-on-properties-of-nr-nanocomposites/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMBINED EFFECT OF NANO-CLAY AND NANO-CARBON BLACK ON PROPERTIES OF NR NANOCOMPOSITES** Page Range: p.709-19 Author(s): Jia Qing-xiu; Wu You-ping; Xiang Ping; Ye Xin; Wang Yi-qing; Zhang Li-qun File size: 236K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100246&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** Clay/carbon black/NR composites were prepared by adding carbon black in a two-roll mixing mill to clay/NR nano-compounds acquired by co-coagulating clay aqueous solution and NR latex. XRD patterns and TEM observations indicated that both fillers were uniformly dispersed in the rubber matrix at the nano-scale. As a result of the joint effects, with the two fillers benefiting from each other, it was found that at the same total filling amount, those NR nanocomposites filled with both fillers showed advantages over those filled with only one kind. Advantages relate to the enhanced mechanical properties, improved processability, and gas permeability levels near to those of NR/clay nanocomposites. 30 refs. --- --- Source: https://polymerjournals.com/the-preparation-of-core-shell-particles-with-siloxane-in-the-shell/ # THE PREPARATION OF CORE/SHELL PARTICLES WITH SILOXANE IN THE SHELL > Title: THE PREPARATION OF CORE/SHELL PARTICLES WITH SILOXANE IN THE SHELL Page Range: p.721-726 Author(s): Shunsheng Cao; Xiaobo Deng; Bailing Liu File size: 105K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/the-preparation-of-core-shell-particles-with-siloxane-in-the-shell/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE PREPARATION OF CORE/SHELL PARTICLES WITH SILOXANE IN THE SHELL** Page Range: p.721-726 Author(s): Shunsheng Cao; Xiaobo Deng; Bailing Liu File size: 105K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100247&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** Core-shell microspheres with a polybutyl methacrylate (BMA) core and a poly 3-(methacryloxypropyl)-trimethoxysilane (MATS) shell, were prepared with a methanol as the dispersion medium, by a successive seeding method under kinetically controlled conditions. To prepare core/shell (PA/PSi), the core was first synthesised by dispersion polymerisation and to form seeds. Addition of MATS monomer was started after 90-95% conversion of the BMA. The reaction was prolonged for a further 12 h to achieve complete consumption of the MATS monomer. Microspheres containing hydrophilic PBMA as the core and hydrophobic PMATS as the shell were successfully formed through the free radical of surface in the core. The particle morphology and size distribution were examined using TEM and particle size analysis techniques respectively. 22 refs. --- --- Source: https://polymerjournals.com/viscoelastic-constitutive-model-of-unvulcanized-rubber/ # VISCOELASTIC CONSTITUTIVE MODEL OF UNVULCANIZED RUBBER > Title: VISCOELASTIC CONSTITUTIVE MODEL OF UNVULCANIZED RUBBER Page Range: p.727-36 Author(s): Li Yong; Wu Jing'an; Du Xingwen File size: 224K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No.... Canonical URL: https://polymerjournals.com/viscoelastic-constitutive-model-of-unvulcanized-rubber/ Published: 2005-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: VISCOELASTIC CONSTITUTIVE MODEL OF UNVULCANIZED RUBBER** Page Range: p.727-36 Author(s): Li Yong; Wu Jing'an; Du Xingwen File size: 224K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-7&JournalID=100248&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 7 **Abstract** The rheological properties were examined experimentally using the inner-ply rubber of a bias tyre whose formula contains natural rubber, polybutadiene rubber, styrene butadiene rubber and two types of carbon blacks. On the basis of these rheological test results, a new viscoelastic constitutive equation for unvulcanised rubber has been established, with mathematical justification to describe its mechanical properties in relation to the yield stress and shear-thinning effect. The proposed model indicates that the yield stress is one of the main causes of the shear-thinning effect, and reveals why some materials possess double-Newtonian regions with the shear viscosity in the first region higher than that in the second region. The yield stress makes the flow index of the power law fluid model vary widely, so that it needs to be eliminated from the power law fluid model. The model can also effectively distinguish the true shear viscosity from the apparent shear viscosity, it is claimed. The parameters of the equation are determined by the step fitting method, which is the precondition for quantitative analysis. Since the equation is a one-dimensional model, the authors acknowledge the need for further research. 10 refs. --- --- Source: https://polymerjournals.com/thermoforming-complex-parts-from-unconsolidated-and-consolidated-polypropylene-glass-fibre-fabrics/ # THERMOFORMING COMPLEX PARTS FROM UNCONSOLIDATED AND CONSOLIDATED POLYPROPYLENE/GLASS FIBRE FABRICS > Title: THERMOFORMING COMPLEX PARTS FROM UNCONSOLIDATED AND CONSOLIDATED POLYPROPYLENE/GLASS FIBRE FABRICS Page Range: p.543-558 Author(s): Trudel-Boucher D; Fisa B; Denault J; Gagnon P File size: 414K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/thermoforming-complex-parts-from-unconsolidated-and-consolidated-polypropylene-glass-fibre-fabrics/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMOFORMING COMPLEX PARTS FROM UNCONSOLIDATED AND CONSOLIDATED POLYPROPYLENE/GLASS FIBRE FABRICS** Page Range: p.543-558 Author(s): Trudel-Boucher D; Fisa B; Denault J; Gagnon P File size: 414K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100231&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** Thermoforming of unconsolidated and consolidated PP/glass fibre fabrics was studied for two mould geometries: a square mould and a mould with three studs. The principal objective of this study was to evaluate the feasibility of direct thermoforming of unconsolidated fabrics in complex moulds, since this process offers the potential of reducing the cost of the raw material by eliminating the separate consolidation step performed prior to moulding. In this work, the unconsolidated and consolidated fabrics plies were heated in a convection oven and transferred to a press to be simultaneously conformed and re-consolidated using a rubber punch and a metal cavity. Results showed that a similar product quality (evaluated by the void content), could be obtained with unconsolidated and consolidated fabrics once conformation to the mould shape had been achieved. It was found that a minimal forming temperature of 215 degrees C was required to achieve conformation to the mould shape, and that minimal forming pressures of 2 and 3 MPa had to be applied to achieve the same objective for the consolidated and unconsolidated fabric. In addition, an increase in the punch hardness, variation of the fabric orientation, and an increase in the number of vents, was found to reduce the pressure necessary to produce conformation to the mould shape. 21 refs. --- --- Source: https://polymerjournals.com/multiple-injection-port-simulation-for-resin-injection-pultrusion/ # MULTIPLE INJECTION PORT SIMULATION FOR RESIN INJECTION PULTRUSION > Title: MULTIPLE INJECTION PORT SIMULATION FOR RESIN INJECTION PULTRUSION Page Range: p.559-70 Author(s): Rahatekar S S; Roux J A; Lackey E; Vaughan J G File size: 243K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/multiple-injection-port-simulation-for-resin-injection-pultrusion/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MULTIPLE INJECTION PORT SIMULATION FOR RESIN INJECTION PULTRUSION** Page Range: p.559-70 Author(s): Rahatekar S S; Roux J A; Lackey E; Vaughan J G File size: 243K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100232&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** The aim of this research was to predict the effect of multiple resin injection ports on the magnitude of the resin injection pressure needed to achieve complete wet-out of the fibres in the injection chamber. The work focuses on the use of epoxy/glass rovings and polyester/glass rovings composites. The recommended injection pressures for complete wet-out are predicted for a variety of processing parameters. Darcy's law for flow through porous media is used for modelling the fibre/resin system of injection pultrusion. The governing equations are solved via the finite element volume method to predict the resin pressure field, the resin velocity field and the location and shape of the resin flow front. Different permeability models were used to determine the transverse and longitudinal permeabilities. 7 refs. --- --- Source: https://polymerjournals.com/effect-of-epoxy-resin-on-the-mechanical-properties-and-melt-viscoelastic-behaviour-of-polybutylene-terephthalate-montmorillonite-nanocomposites/ # EFFECT OF EPOXY RESIN ON THE MECHANICAL PROPERTIES AND MELT VISCOELASTIC BEHAVIOUR OF POLY(BUTYLENE TEREPHTHALATE)/MONTMORILLONITE NANOCOMPOSITES > Title: EFFECT OF EPOXY RESIN ON THE MECHANICAL PROPERTIES AND MELT VISCOELASTIC BEHAVIOUR OF POLY(BUTYLENE TEREPHTHALATE)/MONTMORILLONITE NANOCOMPOSITES Page Range: p.571-80 Author(s): Defeng Wu; Chixing Zhou; Xie Fan; Dalian Mao; Zhang Bian File size: 234K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-epoxy-resin-on-the-mechanical-properties-and-melt-viscoelastic-behaviour-of-polybutylene-terephthalate-montmorillonite-nanocomposites/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF EPOXY RESIN ON THE MECHANICAL PROPERTIES AND MELT VISCOELASTIC BEHAVIOUR OF POLY(BUTYLENE TEREPHTHALATE)/MONTMORILLONITE NANOCOMPOSITES** Page Range: p.571-80 Author(s): Defeng Wu; Chixing Zhou; Xie Fan; Dalian Mao; Zhang Bian File size: 234K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100233&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** PBTP/epoxy/montmorillonite ternary nanocomposites, (PCNs) were prepared by melt intercalation, and their morphologies were investigated by XRD and TEM. The results showed that by using epoxy resin as a compatibiliser, the clay was easily intercalated and dispersed well in the matrix. As such, the PCNs exhibited superior tensile and impact properties than the PBTP alone, although any surplus epoxy dispersed in the PBTP matrix reduced the material performance. The melt viscoelastic behaviour of the PCNs was measured by means of a parallel plate rheometer. The PCN ternary hybrids showed a stronger solid-like response in the lower frequencies than did the samples without epoxy resin. This is said to have been due to the enhancement of percolation network density, and the bridge-like effect of the epoxy linking the clay and the polymer chains. The compatibiliser, therefore, was shown to influence both the morphology and performance of the nanocomposites. The optimum compatibiliser dose of 4 wt% was arrived at by means of a novel crossover point rheological method. 25 refs. --- --- Source: https://polymerjournals.com/nonlinear-viscoelastic-creep-characterization-of-hdpe-rice-husk-composites/ # NONLINEAR VISCOELASTIC CREEP CHARACTERIZATION OF HDPE-RICE HUSK COMPOSITES > Title: NONLINEAR VISCOELASTIC CREEP CHARACTERIZATION OF HDPE-RICE HUSK COMPOSITES Page Range: p.581-598 Author(s): Pramanick A; Sain M File size: 337K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No.... Canonical URL: https://polymerjournals.com/nonlinear-viscoelastic-creep-characterization-of-hdpe-rice-husk-composites/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NONLINEAR VISCOELASTIC CREEP CHARACTERIZATION OF HDPE-RICE HUSK COMPOSITES** Page Range: p.581-598 Author(s): Pramanick A; Sain M File size: 337K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100234&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** Rice husk plastic composites are used in load-bearing applications such as deck boards and railings. These applications, typically using 40% plastic, are subjected t creep. In order to better define, model and predict long-term creep deformation, the viscoelastic characterisation of this material and the prediction of creep as a function of time is important for its long term commercial success. This research aims to derive a relationship between deformation, time, temperature, relative humidity and stress. In this study, therefore, hollow extruded rice husk-HDPE beams were subjected to creep and recovery in flexural mode and the stress related nonlinear creep behaviour of the same was studied phenomenologically. Both linear and non-linear region constants were determined with modified models, and a predictive model was developed. 22 refs. --- --- Source: https://polymerjournals.com/non-isothermal-cure-kinetics-of-polybenzoxazine-carbon-fiber-composites-by-phase-change-theory/ # NON-ISOTHERMAL CURE KINETICS OF POLYBENZOXAZINE/CARBON FIBER COMPOSITES BY PHASE CHANGE THEORY > Title: NON-ISOTHERMAL CURE KINETICS OF POLYBENZOXAZINE/CARBON FIBER COMPOSITES BY PHASE CHANGE THEORY Page Range: p.599-605 Author(s): Chunling Xin; Xiaoping Yang; Dingsheng Yu File size: 124K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/non-isothermal-cure-kinetics-of-polybenzoxazine-carbon-fiber-composites-by-phase-change-theory/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NON-ISOTHERMAL CURE KINETICS OF POLYBENZOXAZINE/CARBON FIBER COMPOSITES BY PHASE CHANGE THEORY** Page Range: p.599-605 Author(s): Chunling Xin; Xiaoping Yang; Dingsheng Yu File size: 124K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100235&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** The curing of benzoxazines (BA-a) and benzoxazine/carbon fibre composites (BA-a/CF), was monitored and compared using non-isothermal differential scanning calorimetry, at various heating rates. The results showed that the initial cure temperature of BA-a/CF was lower that of BA-a at the same heating rate. Various kinetic parameters and apparent activation energies for both curing systems were obtained using a modified version of the Avrami equation. The change in the Avrami component with cure temperature is reported to reflect two different stages of the benzoxazine cure reaction: the microgel formation, growth stage and the diffusion-controlled stage, The activation energy obtained from the Avrami rate constant for neat benzoxazine was shown to closely agree with earlier values reported by another method. For BA-a/CF composites, the activation energies obtained from the Avrami rate constant reflected the effect of the carbon fibres on the cure behaviour of benzoxazine. The cure reaction of benzoxazines was found to be not only catalysed by carbon fibre, but also retarded by it. 19 refs. --- --- Source: https://polymerjournals.com/mechanical-and-thermal-properties-of-oil-palm-empty-fruit-bunch-filled-unplasticized-poly-vinyl-chloride-composites/ # MECHANICAL AND THERMAL PROPERTIES OF OIL PALM EMPTY FRUIT BUNCH-FILLED UNPLASTICIZED POLY (VINYL CHLORIDE) COMPOSITES > Title: MECHANICAL AND THERMAL PROPERTIES OF OIL PALM EMPTY FRUIT BUNCH-FILLED UNPLASTICIZED POLY (VINYL CHLORIDE) COMPOSITES Page Range: p.607-17 Author(s): Bakar A A; Hassan A; Yusof A F M File size: 325K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/mechanical-and-thermal-properties-of-oil-palm-empty-fruit-bunch-filled-unplasticized-poly-vinyl-chloride-composites/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL AND THERMAL PROPERTIES OF OIL PALM EMPTY FRUIT BUNCH-FILLED UNPLASTICIZED POLY (VINYL CHLORIDE) COMPOSITES** Page Range: p.607-17 Author(s): Bakar A A; Hassan A; Yusof A F M File size: 325K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100236&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** The effect of oil palm empty fruit bunches (EFB) on the mechanical and thermal properties of unplasticised PVC is investigated. An increase in EFB fibre content in the uPVC matrix was shown to improve the flexural modulus and cause a slight increase in the Tg, but at the expense of impact and flexural strengths. The incorporation of EFB also decreased the thermal stability of the composites evidenced by a decrease in decomposition temperature and a change in the degradation process from two to three stages. 35 refs. --- --- Source: https://polymerjournals.com/effect-of-flexible-polymer-coating-on-interfacial-adhesion-of-glass-fibre-reinforced-polypropylene/ # EFFECT OF FLEXIBLE POLYMER COATING ON INTERFACIAL ADHESION OF GLASS FIBRE REINFORCED POLYPROPYLENE > Title: EFFECT OF FLEXIBLE POLYMER COATING ON INTERFACIAL ADHESION OF GLASS FIBRE REINFORCED POLYPROPYLENE Page Range: p.619-25 Author(s): Xiadong Zhou; Qunfang Lin; Ruohua Xiong; Xinyu Cui; Gance Dai File size: 103K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/effect-of-flexible-polymer-coating-on-interfacial-adhesion-of-glass-fibre-reinforced-polypropylene/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF FLEXIBLE POLYMER COATING ON INTERFACIAL ADHESION OF GLASS FIBRE REINFORCED POLYPROPYLENE** Page Range: p.619-25 Author(s): Xiadong Zhou; Qunfang Lin; Ruohua Xiong; Xinyu Cui; Gance Dai File size: 103K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100237&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** Flexible rubber coatings were obtained with which to coat glass fibre surfaces for use in a polypropylene matrix. The polymeric coatings were obtained by using two rubbers, cis-polybutadiene rubber and EPDM, and two block copolymers, polystyrene-block-polybutadiene-block polyvinyltriethoxysilane and polystyrene-block-polyvinyltriethoxysilane. The effect of the coatings on the interfacial adhesion and thermal cycling resistance of composites were studied by a single-filament fragmentation technique which was designed to measure the interfacial shear strength of the composite. It was found that the interfacial shear strength was improved by the rubber coatings, which could graft to silane coupling agents coated onto the fibre surfaces and could undergo crosslinking under peroxide initiation. The interfacial bond strength was determined by the nature and thickness of the rubber coatings. Interfacial adhesion was also seen to improve when using block copolymers to treat glass fibres. The rubbers and those copolymers having flexible blocks in their structures both produced coatings that could relieve the thermal stresses at the composite interface during temperature cycling. The interface between the composites and the flexible polymer coatings had good thermal cycling fatigue resistance. 18 refs. --- --- Source: https://polymerjournals.com/tensile-and-impact-performance-of-polypropylene-microcomposite-system-effect-of-novel-silica-ash-filler/ # TENSILE AND IMPACT PERFORMANCE OF POLYPROPYLENE MICROCOMPOSITE SYSTEM: EFFECT OF NOVEL SILICA ASH FILLER > Title: TENSILE AND IMPACT PERFORMANCE OF POLYPROPYLENE MICROCOMPOSITE SYSTEM: EFFECT OF NOVEL SILICA ASH FILLER Page Range: p.627-35 Author(s): Chaudhary D S; Jollands M C File size: 120K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/tensile-and-impact-performance-of-polypropylene-microcomposite-system-effect-of-novel-silica-ash-filler/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE AND IMPACT PERFORMANCE OF POLYPROPYLENE MICROCOMPOSITE SYSTEM: EFFECT OF NOVEL SILICA ASH FILLER** Page Range: p.627-35 Author(s): Chaudhary D S; Jollands M C File size: 120K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100238&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** Polypropylene was used as the matrix with which to study filler-polymer interactions when rice hull ash (silica ash) was used as a microfiller. Two sizes of silica ash particles were studied to obtain quantitative data on the composites' mechanical performance. Nucleating effects were found, suggesting, it is claimed, that there was a moderate polymer-filler interaction during melt-processing. A comparison of the effects of increasing filler loading and increasing surface treatment indicated, that at higher filler loadings, the effect of surface treatment was not dominant. Reducing the filler particle size was found to improve the tensile modulus and impact strength. Furthermore, removal of silica ash impurity by burning it off resulted in a significant increase in these properties, but similar results were not obtained following surface treatment of the unburnt ash. Such results are claimed to indicate that there was a possible trade-off between using the silica ash without burning, thus saving on the cost of burning off the impurities, and using the 'burnt' ash and saving on the cost of surface modification. 17 refs. --- --- Source: https://polymerjournals.com/prediction-of-thermal-conductivities-of-fibre-reinforced-composites-using-a-thermal-electrical-analogy/ # PREDICTION OF THERMAL CONDUCTIVITIES OF FIBRE REINFORCED COMPOSITES USING A THERMAL-ELECTRICAL ANALOGY > Title: PREDICTION OF THERMAL CONDUCTIVITIES OF FIBRE REINFORCED COMPOSITES USING A THERMAL-ELECTRICAL ANALOGY Page Range: p.637-644 Author(s): Young Jun Cho; Jae Ryoun Youn; Tae Jin Kang; Sung Min Kim File size: 260K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/prediction-of-thermal-conductivities-of-fibre-reinforced-composites-using-a-thermal-electrical-analogy/ Published: 2005-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTION OF THERMAL CONDUCTIVITIES OF FIBRE REINFORCED COMPOSITES USING A THERMAL-ELECTRICAL ANALOGY** Page Range: p.637-644 Author(s): Young Jun Cho; Jae Ryoun Youn; Tae Jin Kang; Sung Min Kim File size: 260K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-6&JournalID=100239&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 6 **Abstract** A method is described with which to predict the effective thermal conductivities of fibre reinforced composites. It is based on the thermal-electrical analogy. Geometrical modelling of a laminate composite was attempted using a voxelisation method. The geometry of the woven fabric composite was discretised into yarn-type voxels and matrix-type voxels. This study used a balanced plain weave laminate composite of graphite and epoxy. Both in- and out-of-plane thermal conductivities were predicted for the composite. The effectiveness of the proposed method is claimed to be supported by the reasonable agreement between present results and previously reported research. 12 refs. --- --- Source: https://polymerjournals.com/solution-rheology-of-polyvinyl-alcohol-silica-hybrid-nanocomposites/ # SOLUTION RHEOLOGY OF POLY(VINYL ALCOHOL)/SILICA HYBRID NANOCOMPOSITES > Title: SOLUTION RHEOLOGY OF POLY(VINYL ALCOHOL)/SILICA HYBRID NANOCOMPOSITES Page Range: p.429-441 Author(s): Bandyopadhyay A; De Sarkar M; Bhowmick A K File size: 207K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13... Canonical URL: https://polymerjournals.com/solution-rheology-of-polyvinyl-alcohol-silica-hybrid-nanocomposites/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SOLUTION RHEOLOGY OF POLY(VINYL ALCOHOL)/SILICA HYBRID NANOCOMPOSITES** Page Range: p.429-441 Author(s): Bandyopadhyay A; De Sarkar M; Bhowmick A K File size: 207K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100221&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** The solution behaviour of polymer/silica hybrid nanocomposites was investigated using a Brookfield viscometer. The nanocomposites were prepared using the sol-gel technique with tetraethoxysilane as the precursor for silica. This paper is divided into two parts: the first part deals with the measurement of the solution viscosity of acrylic rubber/silica, epoxidised NR/silica and PVA/silica nanocomposites at room temperature (30 degrees C) at intervals of 24 h for 5 days. The second part of the paper reports on a detailed investigation of the solution behaviour of PVA/silica nanocomposites, as it registered the biggest rise in viscosity with time after 5 days of study. 22 refs. --- --- Source: https://polymerjournals.com/the-effect-of-solvent-on-the-miscibility-of-blends-of-poly-1-4-3-carboxy-4-hydroxy-phenylazobenzene-sulphonamido-12-ethanediylsodium-salt-pazo-and-polyhydroxybutyrate-phb/ # THE EFFECT OF SOLVENT ON THE MISCIBILITY OF BLENDS OF POLY 1-\[4-(3-CARBOXY-4-HYDROXY-PHENYLAZO)BENZENE SULPHONAMIDO-1,2-ETHANEDIYL,SODIUM SALT)\] (PAZO) AND POLYHYDROXYBUTYRATE (PHB) > Title: THE EFFECT OF SOLVENT ON THE MISCIBILITY OF BLENDS OF POLY 1-[4-(3-CARBOXY-4-HYDROXY-PHENYLAZO)BENZENE SULPHONAMIDO-1,2-ETHANEDIYL,SODIUM SALT)] (PAZO) AND POLYHYDROXYBUTYRATE (PHB) Page Range: p.443-452 Author(s): Sharma L; Nishida K; Kanaya T File size: 171K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/the-effect-of-solvent-on-the-miscibility-of-blends-of-poly-1-4-3-carboxy-4-hydroxy-phenylazobenzene-sulphonamido-12-ethanediylsodium-salt-pazo-and-polyhydroxybutyrate-phb/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE EFFECT OF SOLVENT ON THE MISCIBILITY OF BLENDS OF POLY 1-[4-(3-CARBOXY-4-HYDROXY-PHENYLAZO)BENZENE SULPHONAMIDO-1,2-ETHANEDIYL,SODIUM SALT)] (PAZO) AND POLYHYDROXYBUTYRATE (PHB)** Page Range: p.443-452 Author(s): Sharma L; Nishida K; Kanaya T File size: 171K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100222&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** In order to meet the demand for an eco-friendly, cost-effective photonic material, blends were prepared of poly-1[4-(3-carboxy-4-hydroxy-phenylazo)benzene sulphonamide-1,2-ethanediyl, sodium salt)], (PAZO), and polyhydroxybutyrate (PHB). The behaviour was analysed of PAZO/PHB blends in various solvents, dependent on the solubility parameter calculations for amorphous PHB. Differential scanning calorimetry was used to determine the glass transition temperatures and to assess miscibility. This paper aims to address and establish the effect of the solvent on the miscibility of PHB/PAZO blends. It was established that a complex was formed at high PHB concentrations via the O-H bond of the PHB and PAZO in all solvents. 32 refs. --- --- Source: https://polymerjournals.com/effects-of-fibre-surface-treatment-on-dynamic-tensile-properties-of-glass-woven-fabric-reinforced-vinylester-composites/ # EFFECTS OF FIBRE SURFACE TREATMENT ON DYNAMIC TENSILE PROPERTIES OF GLASS WOVEN FABRIC REINFORCED VINYLESTER COMPOSITES > Title: EFFECTS OF FIBRE SURFACE TREATMENT ON DYNAMIC TENSILE PROPERTIES OF GLASS WOVEN FABRIC REINFORCED VINYLESTER COMPOSITES Page Range: p.453-466 Author(s): Jang-Kyo Kim; Man-Lung Sham; Min-Seok Sohn; Shisheng Hu File size: 330K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effects-of-fibre-surface-treatment-on-dynamic-tensile-properties-of-glass-woven-fabric-reinforced-vinylester-composites/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF FIBRE SURFACE TREATMENT ON DYNAMIC TENSILE PROPERTIES OF GLASS WOVEN FABRIC REINFORCED VINYLESTER COMPOSITES** Page Range: p.453-466 Author(s): Jang-Kyo Kim; Man-Lung Sham; Min-Seok Sohn; Shisheng Hu File size: 330K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100223&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** This paper is a continuation of previous studies on the characterisation of mechanical and fracture properties of glass fibre vinyl ester matrix composites with a controlled fibre surface treatment. The mechanical responses of composites under impact tensile loading are compared with the corresponding static behaviour so as to identify the sensitivity of interface properties on strain rate dependent tensile behaviour. The effect of the weave structure was also specifically evaluated by loading the composites in the weft and warp directions of the woven fabric reinforcement. Results indicated that both the ductility and the strength of the composites increased with increasing strain rate. The tensile strength was lower and the failure strain was higher in the weft direction than in the warp direction, because of excessive crimping in the former direction. The tensile strength in general increased with increasing silane concentration, for the majority of strain rates studied. The influence of fibre surface treatment on the impact tensile strength and modulus of composites were found to be functionally similar, confirming the fibre-matrix interphase properties on composite fracture behaviour at high strain rates. 30 refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-reactive-graft-copolymers-of-polybutyl-acrylate-and-cellulose/ # SYNTHESIS AND CHARACTERIZATION OF REACTIVE GRAFT COPOLYMERS OF POLY(BUTYL ACRYLATE) AND CELLULOSE > Title: SYNTHESIS AND CHARACTERIZATION OF REACTIVE GRAFT COPOLYMERS OF POLY(BUTYL ACRYLATE) AND CELLULOSE Page Range: p.467-477 Author(s): Chauhan G S; Singh B; Kumar S; Chinkara A File size: 190K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-reactive-graft-copolymers-of-polybutyl-acrylate-and-cellulose/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF REACTIVE GRAFT COPOLYMERS OF POLY(BUTYL ACRYLATE) AND CELLULOSE** Page Range: p.467-477 Author(s): Chauhan G S; Singh B; Kumar S; Chinkara A File size: 190K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100224&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** Butyl acrylate was graft copolymerised onto cellulose extracted from pine needles by a simultaneous gamma radiation initiation method. Optimum conditions for the maximum graft yield are reported. Polymerisation and grafting parameters such as percentage grafting, percentage grafting efficiency, rate of polymerisation, homopolymerisation and graft copolymerisation were also determined. Grafted cellulose was further functionalised to produce poly(acryloyl hydroxylamine) [Cell-g-poly(CONHOH)] so as to generate active (-CONHOH)groups on the cellulose backbone. Graft copolymers were also characterised by elemental analysis by FTIR and by a swelling study. In addition, an attempt was made to study the sorption of ferrous ion and copper ions as model metal ions onto the candidate copolymers in order to investigate their selectivity in metal ion sorption and to determine the effect on metal ion sorption of the structural aspects of the hydrogels and other functionalised graft copolymers, so as to identify their end-uses. 11 refs. --- --- Source: https://polymerjournals.com/influence-of-chopped-fibre-length-on-the-mechanical-and-thermal-properties-of-silk-fibre-reinforced-polybutylene-succinate-biocomposites/ # INFLUENCE OF CHOPPED FIBRE LENGTH ON THE MECHANICAL AND THERMAL PROPERTIES OF SILK FIBRE-REINFORCED POLY(BUTYLENE SUCCINATE) BIOCOMPOSITES > Title: INFLUENCE OF CHOPPED FIBRE LENGTH ON THE MECHANICAL AND THERMAL PROPERTIES OF SILK FIBRE-REINFORCED POLY(BUTYLENE SUCCINATE) BIOCOMPOSITES Page Range: p.479-488 Author(s): Sang Muk Lee; Seong Ok Han; Donghwan Cho; Won Ho Park; Seung Goo Lee File size: 171K Download the pdf... Canonical URL: https://polymerjournals.com/influence-of-chopped-fibre-length-on-the-mechanical-and-thermal-properties-of-silk-fibre-reinforced-polybutylene-succinate-biocomposites/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF CHOPPED FIBRE LENGTH ON THE MECHANICAL AND THERMAL PROPERTIES OF SILK FIBRE-REINFORCED POLY(BUTYLENE SUCCINATE) BIOCOMPOSITES** Page Range: p.479-488 Author(s): Sang Muk Lee; Seong Ok Han; Donghwan Cho; Won Ho Park; Seung Goo Lee File size: 171K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100225&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** Chopped silk fibre biocomposites based on polybutylene succinate (PBS) were prepared, and the influence of the fibre length on the mechanical and thermal properties of the biocomposite were investigated. In particular, tensile and flexural properties, thermal stability, thermal expansion and dynamic mechanical properties were evaluated. The results are claimed to demonstrate that the chopped silk fibres play an effective role in improving the mechanical properties of PBS in the present system. At a fixed fibre loading of 40 wt% the tensile strength and modulus of the PBS control were improved by 69% and 228% respectively, in comparison with those of the biocomposite reinforced with 25.4 mm silk fibres. Improvements in thermal properties are also reported. 14 refs. --- --- Source: https://polymerjournals.com/on-the-transient-hygroscopic-stresses-in-polymer-matrix-laminated-composites-plates-with-cyclic-and-unsymmetric-environmental-conditions/ # ON THE TRANSIENT HYGROSCOPIC STRESSES IN POLYMER MATRIX LAMINATED COMPOSITES PLATES WITH CYCLIC AND UNSYMMETRIC ENVIRONMENTAL CONDITIONS > Title: ON THE TRANSIENT HYGROSCOPIC STRESSES IN POLYMER MATRIX LAMINATED COMPOSITES PLATES WITH CYCLIC AND UNSYMMETRIC ENVIRONMENTAL CONDITIONS Page Range: p.489-503 Author(s): Tounsi A; Bouazza M; Meftah S; Adda-Bedia E File size: 225K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/on-the-transient-hygroscopic-stresses-in-polymer-matrix-laminated-composites-plates-with-cyclic-and-unsymmetric-environmental-conditions/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ON THE TRANSIENT HYGROSCOPIC STRESSES IN POLYMER MATRIX LAMINATED COMPOSITES PLATES WITH CYCLIC AND UNSYMMETRIC ENVIRONMENTAL CONDITIONS** Page Range: p.489-503 Author(s): Tounsi A; Bouazza M; Meftah S; Adda-Bedia E File size: 225K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100226&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** This work aims to provide data on the long-term behaviour of aircraft structural components based on polymer matrix composites, subjected to severe environmental conditions. The emphasis of the research is on their ability to withstand cyclic variations of moisture and temperature, which induces transient residual stresses within the plies. Such stresses need to be taken into consideration in the design of composite aircraft structures. In this paper, the transient hygroscopic stresses induced by cyclic and unsymmetric environmental loadings which simulate an aeronautical application, are investigated. It is shown that the heterogeneity and anisotropy of such plates generally result in transient stress distributions which are very different from the equilibrium stress distribution. Some stacking sequences exhibited important stresses within the plies, which need to be taken into account in the design of composite structures submitted to a moist environment. 17 refs. --- --- Source: https://polymerjournals.com/thermodynamic-and-kinetic-considerations-effect-of-organic-siloxane-on-mma-polymerization/ # THERMODYNAMIC AND KINETIC CONSIDERATIONS – EFFECT OF ORGANIC SILOXANE ON MMA POLYMERIZATION > Title: THERMODYNAMIC AND KINETIC CONSIDERATIONS - EFFECT OF ORGANIC SILOXANE ON MMA POLYMERIZATION Page Range: p.505-512 Author(s): Xiaobo Deng; Shunsheng Cao; Bailing Liu; Songjun Li File size: 114K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/thermodynamic-and-kinetic-considerations-effect-of-organic-siloxane-on-mma-polymerization/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMODYNAMIC AND KINETIC CONSIDERATIONS - EFFECT OF ORGANIC SILOXANE ON MMA POLYMERIZATION** Page Range: p.505-512 Author(s): Xiaobo Deng; Shunsheng Cao; Bailing Liu; Songjun Li File size: 114K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100227&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** This study discusses the reasons for an increase or decrease in the conversion and polymerisation rates of siloxane-acrylate copolymers, and highlights some extra information related to the copolymerisation process. The effects of 3-(methacryloxypropyl)-trimethoxysilane (MATS) and vinyl trimethoxysilane (VTMOS) on methyl methacrylate (MMA) polymerisation are thus investigated. The two co-monomers appear to show opposite effects. The polymerisation shows a high rate of polymerisation and extend of conversion in the presence of MATS, than in its absence. However, a lower rate of polymerisation and extent of conversion are obtained in the presence of VTMOS. The difference is explained in terms of the different roles of the co-monomers. The increase in the rate of polymerisation and conversion with MATS was attributed to the higher reactivity of monomers and the lower conversion with VTMOS was attributed to the electronic effects associated with VTMOS which can decrease the electric density of the active double bond in MMA, and therefore deactivate the polymerisation. Further investigation indicated that the change of free energy in the polymerisation with MATS was lower than without MATS. In addition, monomer reactivity in the presence of MATS was higher than in its absence. The decrease in monomer reactivity is thought to be responsible for increasing the rate of polymerisation. 24 refs. --- --- Source: https://polymerjournals.com/preparation-and-characteristics-of-reactive-blends-of-phosphate-containing-maleimide-and-epoxy-resins/ # PREPARATION AND CHARACTERISTICS OF REACTIVE BLENDS OF PHOSPHATE-CONTAINING MALEIMIDE AND EPOXY RESINS > Title: PREPARATION AND CHARACTERISTICS OF REACTIVE BLENDS OF PHOSPHATE-CONTAINING MALEIMIDE AND EPOXY RESINS Page Range: p.513-524 Author(s): Wei-Jye Shu; Hsiu-Jung Chiu File size: 194K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/preparation-and-characteristics-of-reactive-blends-of-phosphate-containing-maleimide-and-epoxy-resins/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERISTICS OF REACTIVE BLENDS OF PHOSPHATE-CONTAINING MALEIMIDE AND EPOXY RESINS** Page Range: p.513-524 Author(s): Wei-Jye Shu; Hsiu-Jung Chiu File size: 194K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100228&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** Novel phosphorous-containing maleimide monomers were blended with epoxy resins to elucidate the influence of maleimide segments on the physical properties of epoxy resins. Three kinds of phosphate-containing maleimide (PMI) monomers, namely, diethyl (4-(N-maleimido) phenyl) phosphate (4P) diphenyl (4-(N-maleimido) phenyl) phosphate (PP) and diethyl (2,6-dibromo-4-(N-maleimido)phenyl) phosphate (BrP) were synthesised and blended with a bisphenol type epoxy in order to study their potential as reactive flame retardants. Increasing the PMI contents was shown to reduce the storage modulus, the Tg and the tensile strength, whilst maintaining good thermal stability. 30 refs. --- --- Source: https://polymerjournals.com/magnesium-dioxide-epoxy-resin-nanocomposite-prepared-by-a-novel-method-brief-communication/ # MAGNESIUM DIOXIDE/EPOXY RESIN NANOCOMPOSITE PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION > Title: MAGNESIUM DIOXIDE/EPOXY RESIN NANOCOMPOSITE PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION Page Range: p.525-527 Author(s): Cheng Yiyun; Cui Ronghui; He Pingsheng File size: 91K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/magnesium-dioxide-epoxy-resin-nanocomposite-prepared-by-a-novel-method-brief-communication/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MAGNESIUM DIOXIDE/EPOXY RESIN NANOCOMPOSITE PREPARED BY A NOVEL METHOD. BRIEF COMMUNICATION** Page Range: p.525-527 Author(s): Cheng Yiyun; Cui Ronghui; He Pingsheng File size: 91K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100229&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** A new method of preparing magnesium hydroxide/epoxy resin nanocomposites is presented. An epoxy resin micro-emulsion is taken as a micro-reactor for the formation of magnesium hydroxide nano-crystals. After the reaction, the collected epoxy proved to be a composite with embedded nano-magnesium hydroxide. Transmission electron microscopy indicated that the magnesium hydroxide nano-crystals were dispersed uniformly n cured epoxy resin matrix. It is claimed that the composite could find wide application in optical, electronic and other devices. 13 refs. --- --- Source: https://polymerjournals.com/flame-retardancy-of-nanocomposites-from-research-to-reality-review/ # FLAME RETARDANCY OF NANOCOMPOSITES – FROM RESEARCH TO REALITY. REVIEW > Title: FLAME RETARDANCY OF NANOCOMPOSITES - FROM RESEARCH TO REALITY. REVIEW Page Range: p.529-538 Author(s): Kabelwerk Eupen AG File size: 156K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No:... Canonical URL: https://polymerjournals.com/flame-retardancy-of-nanocomposites-from-research-to-reality-review/ Published: 2005-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FLAME RETARDANCY OF NANOCOMPOSITES - FROM RESEARCH TO REALITY. REVIEW** Page Range: p.529-538 Author(s): Kabelwerk Eupen AG File size: 156K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-5&JournalID=100230&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 5 **Abstract** Nanocomposites incorporating modified layered silicates as fillers dispersed at the nm-level within a polymer matrix are examined with respect to their inherent flame retardancy. The flame retardancy mechanism is reported to be based on the char formation and its structure. The char insulates the polymer from heat and acts as a barrier, reducing the escape of volatile gases from the polymer combustion. In addition, the combination of organoclays with traditional flame retardants is shown to be a means of further improving the flame retardant properties of polymers. The cone calorimeter is used as a tool for the investigation of flame retardancy. 9 refs. --- --- Source: https://polymerjournals.com/cure-simulation-of-hemp-fibre-acrylic-based-composites-during-sheet-molding-process/ # CURE SIMULATION OF HEMP FIBRE ACRYLIC BASED COMPOSITES DURING SHEET MOLDING PROCESS > Title: CURE SIMULATION OF HEMP FIBRE ACRYLIC BASED COMPOSITES DURING SHEET MOLDING PROCESS Page Range: p.235-244 Author(s): Behzad T; Sain M File size: 173K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/cure-simulation-of-hemp-fibre-acrylic-based-composites-during-sheet-molding-process/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURE SIMULATION OF HEMP FIBRE ACRYLIC BASED COMPOSITES DURING SHEET MOLDING PROCESS** Page Range: p.235-244 Author(s): Behzad T; Sain M File size: 173K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100205&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** This aim of this study is to provide a model to predict the cure behaviour and temperature variations of hemp fibre acrylic based composites during the process of sheet moulding, and to evaluate the predicted values with experimental results. The composites are designated for use in the automotive industry. A finite difference method was applied to predict the cure behaviour and temperature variation of hemp fibre acrylic based composites during the process. Dynamic differential scanning calorimetry was used to determine the kinetic parameters for the curing reaction at different heating rates. It was found that the experimental and predicted values were in good agreement at the lower heating rate. The thermophysical properties of the resin, fibre and composite were obtained to use in the model. The temperature profile and the degree of cure of the composite with 40% resin and 60% fibre were simulated, and a comparison of numerical results with known experimental data confirmed the approximate validity of the model. 19 refs. --- --- Source: https://polymerjournals.com/covalently-connecting-nanoparticles-with-epoxy-matrix-and-its-effect-on-the-improvement-of-tribological-performance-of-the-composites/ # COVALENTLY CONNECTING NANOPARTICLES WITH EPOXY MATRIX AND ITS EFFECT ON THE IMPROVEMENT OF TRIBOLOGICAL PERFORMANCE OF THE COMPOSITES > Title: COVALENTLY CONNECTING NANOPARTICLES WITH EPOXY MATRIX AND ITS EFFECT ON THE IMPROVEMENT OF TRIBOLOGICAL PERFORMANCE OF THE COMPOSITES Page Range: p.245-252 Author(s): Ying Luo; Min Zhi Rong; Ming Qui Zhang File size: 345K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/covalently-connecting-nanoparticles-with-epoxy-matrix-and-its-effect-on-the-improvement-of-tribological-performance-of-the-composites/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COVALENTLY CONNECTING NANOPARTICLES WITH EPOXY MATRIX AND ITS EFFECT ON THE IMPROVEMENT OF TRIBOLOGICAL PERFORMANCE OF THE COMPOSITES** Page Range: p.245-252 Author(s): Ying Luo; Min Zhi Rong; Ming Qui Zhang File size: 345K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100206&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** Graft polymerisation of glycidyl methacrylate, which can form chemical bonding with epoxy during the subsequent composites manufacturing, onto the surface of nanoparticle-sized silicon carbide, proved to be an effective method of producing nano-silicon carbide epoxy composites with high tribological performance. Graft polymerisation by means of soapless emulsion polymerisation resulted in composite particles consisting of silicon carbide core and polymeric shell, in which the polyglycidyl methacrylate (PGMA) was bonded to the nanoparticles by the double bonds introduced during the pretreatment with a coupling agent. Compared with untreated such particles, the grafted versions were shown to exhibit improved dispersibility, and in addition were able to establish chemical bonding between the fillers and matrix through the reaction between the epoxide groups and the curing agent when compounded with epoxy. As a result of these advantages, the epoxy composites filled with PGMA-grafted nano silicon carbide particles demonstrated high sliding wear resistance and low frictional coefficient at a low filler loading. 19 refs. --- --- Source: https://polymerjournals.com/fibre-orientation-and-mechanical-properties-of-short-glass-fibre-reinforced-pp-composites/ # FIBRE ORIENTATION AND MECHANICAL PROPERTIES OF SHORT GLASS FIBRE REINFORCED PP COMPOSITES > Title: FIBRE ORIENTATION AND MECHANICAL PROPERTIES OF SHORT GLASS FIBRE REINFORCED PP COMPOSITES Page Range: p.253-262 Author(s): Minjie Chen; Chaoying Wan; Yong Zhang; Yinxi Zhang File size: 303K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/fibre-orientation-and-mechanical-properties-of-short-glass-fibre-reinforced-pp-composites/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FIBRE ORIENTATION AND MECHANICAL PROPERTIES OF SHORT GLASS FIBRE REINFORCED PP COMPOSITES** Page Range: p.253-262 Author(s): Minjie Chen; Chaoying Wan; Yong Zhang; Yinxi Zhang File size: 303K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100207&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** The fibre orientation and distribution in short glass fibre reinforced polypropylene composites were measured, and an orientation function was introduced to describe the fibre orientation distribution. The fibre orientation distribution in the same level plane was shown to depend on the fibre position in an injection moulded plate. Maleic anhydride grafted PP (MAPP) was used as a compatibiliser. The use of the compatibiliser improved the interfacial adhesion between the short glass fibres and the PP, and consequently the mechanical properties. Improvements in tensile strength and impact properties are discussed with reference to the use of short glass fibre reinforcement and MAPP in the composites. 25 refs. --- --- Source: https://polymerjournals.com/surface-modification-of-pbo-fibres-by-gamma-ray-irradiation-effects-on-interfacial-properties-of-their-epoxy-composites/ # SURFACE MODIFICATION OF PBO FIBRES BY GAMMA-RAY IRRADIATION: EFFECTS ON INTERFACIAL PROPERTIES OF THEIR EPOXY COMPOSITES > Title: SURFACE MODIFICATION OF PBO FIBRES BY GAMMA-RAY IRRADIATION: EFFECTS ON INTERFACIAL PROPERTIES OF THEIR EPOXY COMPOSITES Page Range: p.263-270 Author(s): Zhang C H; Huang Y D; Liu L File size: 179K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/surface-modification-of-pbo-fibres-by-gamma-ray-irradiation-effects-on-interfacial-properties-of-their-epoxy-composites/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SURFACE MODIFICATION OF PBO FIBRES BY GAMMA-RAY IRRADIATION: EFFECTS ON INTERFACIAL PROPERTIES OF THEIR EPOXY COMPOSITES** Page Range: p.263-270 Author(s): Zhang C H; Huang Y D; Liu L File size: 179K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100208&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** Surfaces of polyphenylene bezobisoxazole (PBO) fibres were grafted with epichlorohydrin by a gamma irradiation method. The influence of the irradiation dose on the interfacial shear strength (IFSS), interlaminar shear strength (ILSS) and the fibre wettability were investigated. The fibre surface composition and the shear fracture topography of PBO fibre/epoxy resin composites were also analysed by X-ray photoelectron spectroscopy and scanning electron microscopy respectively. Results were able to indicate the optimal irradiation dose for fibre surface modification, and details are given of improvements to IFSS, ILSS and wettability of the fibres. SEM indicated that the improved interfacial adhesion resulted in a change in the failure mode of PBO fibre/epoxy composite from an adhesive-type interfacial failure to a cohesive-like matrix failure. 14 refs. --- --- Source: https://polymerjournals.com/capillary-extrusion-rheology-and-thermal-stability-of-eva-organomontmorillonite-nanocomposites/ # CAPILLARY EXTRUSION RHEOLOGY AND THERMAL STABILITY OF EVA/ORGANOMONTMORILLONITE NANOCOMPOSITES > Title: CAPILLARY EXTRUSION RHEOLOGY AND THERMAL STABILITY OF EVA/ORGANOMONTMORILLONITE NANOCOMPOSITES Page Range: p.271-280 Author(s): Dazhu Chen; Weian Zhang; Pingsheng He File size: 181K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13... Canonical URL: https://polymerjournals.com/capillary-extrusion-rheology-and-thermal-stability-of-eva-organomontmorillonite-nanocomposites/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CAPILLARY EXTRUSION RHEOLOGY AND THERMAL STABILITY OF EVA/ORGANOMONTMORILLONITE NANOCOMPOSITES** Page Range: p.271-280 Author(s): Dazhu Chen; Weian Zhang; Pingsheng He File size: 181K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100209&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** EVA copolymer-based nanocomposites based on organomontmorillonite were prepared by melt compounding. A partially intercalated, partially exfoliated structure was revealed in the nanocomposites by X-ray diffraction and transmission electron microscopy. Attention was paid to the steady shear rheological properties of the nanocomposites via a capillary rheometer. It was found that an increased n temperature improved the flow properties, but decreased the pseudoplasticity of the melts. With increasing shear stress (or shear rate), the shear viscosity and flow activation energy dropped, while the extrudate swell ratio rose. The addition of organomontmorillonite led to a reduction in both the shear viscosity and swell ratio of the nanocomposites compared to the EVA matrix. The thermal stability of the EVA and EVA/organomontmorillonite nanocomposites was also examined by means of thermogravimetric analysis techniques. 31 refs. --- --- Source: https://polymerjournals.com/evaluation-of-the-mechanical-and-ultrasonic-properties-of-butadiene-acrylonitrile-rubber-containing-short-aramid-fibres/ # EVALUATION OF THE MECHANICAL AND ULTRASONIC PROPERTIES OF BUTADIENE-ACRYLONITRILE RUBBER CONTAINING SHORT ARAMID FIBRES > Title: EVALUATION OF THE MECHANICAL AND ULTRASONIC PROPERTIES OF BUTADIENE-ACRYLONITRILE RUBBER CONTAINING SHORT ARAMID FIBRES Page Range: p.281-299 Author(s): Helaly F M; El-Sabbagh S H; El-Latif L A File size: 509K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/evaluation-of-the-mechanical-and-ultrasonic-properties-of-butadiene-acrylonitrile-rubber-containing-short-aramid-fibres/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF THE MECHANICAL AND ULTRASONIC PROPERTIES OF BUTADIENE-ACRYLONITRILE RUBBER CONTAINING SHORT ARAMID FIBRES** Page Range: p.281-299 Author(s): Helaly F M; El-Sabbagh S H; El-Latif L A File size: 509K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100210&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** Short aramid fibres were incorporated into butadiene-acrylonitrile copolymer rubber (NBR), and an adhesion system consisting of hydrated silica, resorcinol and hexamethylene tetramine, was used to strengthen the bond between the rubber and the fibres. Rheological, tensile, and ultrasonic properties and hardness were characterised. It was found that the properties of the composites improved as the fibre content increased up to 30 phr by weight. Longitudinal and transverse ultrasonic velocities were used to calculate the elastic parameters of the composites. These results were then used to assess the bonding between the fibres and the rubber matrix as well as the sound absorptive potential of the composites. SEM showed the fibre distribution in the rubber to be satisfactory. Regression analysis was used to clarify the correlation between the longitudinal tensile strength and ageing over time. It was found that the strain energy increased with fibre content, while the fatigue life decreased. 28 refs. --- --- Source: https://polymerjournals.com/modification-of-sodium-salt-of-partially-carboxymethylated-guar-gum-by-graft-copolymerization-with-methyl-acrylate/ # MODIFICATION OF SODIUM SALT OF PARTIALLY CARBOXYMETHYLATED GUAR GUM BY GRAFT COPOLYMERIZATION WITH METHYL ACRYLATE > Title: MODIFICATION OF SODIUM SALT OF PARTIALLY CARBOXYMETHYLATED GUAR GUM BY GRAFT COPOLYMERIZATION WITH METHYL ACRYLATE Page Range: p.301-312 Author(s): Trivedi J H; Patel N K; Trivedi H C; Kalia K File size: 215K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/modification-of-sodium-salt-of-partially-carboxymethylated-guar-gum-by-graft-copolymerization-with-methyl-acrylate/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODIFICATION OF SODIUM SALT OF PARTIALLY CARBOXYMETHYLATED GUAR GUM BY GRAFT COPOLYMERIZATION WITH METHYL ACRYLATE** Page Range: p.301-312 Author(s): Trivedi J H; Patel N K; Trivedi H C; Kalia K File size: 215K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100211&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** The grafting of methyl acrylate onto sodium salt of partially carboxylated guar gum was carried out using ceric ammonium nitrate as the redox initiator in an aqueous medium. Reaction variables observed included varying concentrations of initiator, nitric acid, monomer and amount of the backbone, in addition to time and temperature variations, in order to establish the optimised reaction conditions for grafting. The influence of these reaction parameters on the grafting yields and the rates of polymerisation, graft copolymerisation and homopolymerisation, were also studied. A kinetic scheme of free radical graft copolymerisation was proposed and the experimental results were found to agree very well with the proposed kinetic scheme. The graft copolymer sample was characterised by IR spectroscopy, thermal and scanning electron microscopic techniques. 25 refs. --- --- Source: https://polymerjournals.com/aromatic-diamines-as-cooperative-compatibilizers-and-impact-modifiers-in-ldpe-hips-blends/ # AROMATIC DIAMINES AS COOPERATIVE COMPATIBILIZERS AND IMPACT MODIFIERS IN LDPE/HIPS BLENDS > Title: AROMATIC DIAMINES AS COOPERATIVE COMPATIBILIZERS AND IMPACT MODIFIERS IN LDPE/HIPS BLENDS Page Range: p.313-320 Author(s): Pospisil J; Michalkova D; Fortelny I; Krulis Z; Slouf M File size: 206K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/aromatic-diamines-as-cooperative-compatibilizers-and-impact-modifiers-in-ldpe-hips-blends/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AROMATIC DIAMINES AS COOPERATIVE COMPATIBILIZERS AND IMPACT MODIFIERS IN LDPE/HIPS BLENDS** Page Range: p.313-320 Author(s): Pospisil J; Michalkova D; Fortelny I; Krulis Z; Slouf M File size: 206K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100212&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** The use is examined of compatibilisers and stabilisers for blends of reclaimed polymers in order to enhance the feasibility of mechanical recycling, and to improve the mechanical properties of the recyclates. This work deals with LDPE. The impact strength of recycled or pre-aged (recyclate model) LDPE/HIPS blends, compatibilised with styrene-butadiene copolymer/ethylene-propylene rubber was enhanced and fineness of the phase structure of the system was improved by the use of N,N'-disubstituted 1,4-phenylenediamine co-additives. Mechanism of the strong synergistic compatibilisation effect was explained by LDPE grafting with styrene-butadiene copolymer, mediated by the bifunctional amine additive. 21 refs. --- --- Source: https://polymerjournals.com/organic-vapour-sensor-from-carbon-black-filled-amorphous-polymer-composite-effects-of-processing-carbon-fibres-and-irradiation/ # ORGANIC VAPOUR SENSOR FROM CARBON BLACK FILLED AMORPHOUS POLYMER COMPOSITE: EFFECTS OF PROCESSING, CARBON FIBRES AND IRRADIATION > Title: ORGANIC VAPOUR SENSOR FROM CARBON BLACK FILLED AMORPHOUS POLYMER COMPOSITE: EFFECTS OF PROCESSING, CARBON FIBRES AND IRRADIATION Page Range: p.213-221 Author(s): Xian Ming Dong; Ruo Wen Fu; Ming Qui Zhang; Bing Zhang; Min Zhi Rong File size: 209K Download the pdf... Canonical URL: https://polymerjournals.com/organic-vapour-sensor-from-carbon-black-filled-amorphous-polymer-composite-effects-of-processing-carbon-fibres-and-irradiation/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ORGANIC VAPOUR SENSOR FROM CARBON BLACK FILLED AMORPHOUS POLYMER COMPOSITE: EFFECTS OF PROCESSING, CARBON FIBRES AND IRRADIATION** Page Range: p.213-221 Author(s): Xian Ming Dong; Ruo Wen Fu; Ming Qui Zhang; Bing Zhang; Min Zhi Rong File size: 209K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100203&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** Carbon black filled polybutyl methacrylate composites for use as organic vapour sensors were fabricated by polymerisation filling. It was found that the composites have a wide synthesis window, giving composite materials with high gas sensitivity under different conditions. In comparison with composites made by solution mixing, these composites made by polymerisation filling were shown to have a much higher responsivity to organic vapours because of the superior distribution of the filler particles. The addition of a third component, vapour-grown carbon fibres and the post-treatment of the composites by gamma-irradiation is claimed to have proven effective in enhancing response stability. This paper focuses on the effects of synthesis conditions such as reaction time, reaction temperature and initiator content, on the number-average molecular weight of the resultant polymer matrix, and the electrical responsivity of the resultant composites against organic vapours. Also evaluated, were the inclusion of the vapour-grown carbon fibres and the irradiation treatment. 20 refs. --- --- Source: https://polymerjournals.com/commercial-dental-composite-determination-of-reaction-advancement-and-study-of-the-migration-of-organic-compounds/ # COMMERCIAL DENTAL COMPOSITE: DETERMINATION OF REACTION ADVANCEMENT AND STUDY OF THE MIGRATION OF ORGANIC COMPOUNDS > Title: COMMERCIAL DENTAL COMPOSITE: DETERMINATION OF REACTION ADVANCEMENT AND STUDY OF THE MIGRATION OF ORGANIC COMPOUNDS Page Range: p.223-234 Author(s): Sanglar C; Defay M; Waton H; Bonhommme A; Alamercery S; Baudot R; Piasse O; Grenier-Loustalot M F File size: 201K Download the... Canonical URL: https://polymerjournals.com/commercial-dental-composite-determination-of-reaction-advancement-and-study-of-the-migration-of-organic-compounds/ Published: 2005-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMMERCIAL DENTAL COMPOSITE: DETERMINATION OF REACTION ADVANCEMENT AND STUDY OF THE MIGRATION OF ORGANIC COMPOUNDS** Page Range: p.223-234 Author(s): Sanglar C; Defay M; Waton H; Bonhommme A; Alamercery S; Baudot R; Piasse O; Grenier-Loustalot M F File size: 201K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-3&JournalID=100204&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 3 **Abstract** This work investigates the role of residual reactive methacrylate functions a the end of the photopolymerisation cycle of organic dental composites, and examines the behaviour of the residual monomers and oligomers in organic (ethanol) and aqueous (water and artificial saliva) media. Results indicate that all the methacrylate monomers present in dentine migrate into ethanol, whereas in aqueous media, only the most hydrophilic monomer (urethane dimethacrylate(UDMA)) migrated into water and artificial saliva. The desorption in the three media is accompanied by the hydrolysis of monomers, leading to the formation of monohydrolysed UDMA and bisphenyl glycidyl dimethacrylate (BISGMA). UDMA and BISGMA were completely hydrolysed in the artificial saliva. It was suggested that the alkalinity of the medium favoured the hydrolysis of methacrylate functions. 26 refs. --- --- Source: https://polymerjournals.com/fracture-toughness-of-discontinuous-long-glass-fiber-reinforced-polypropylene-an-approach-based-on-a-numerical-prediction-of-fiber-orientation-in-injection-molding/ # FRACTURE TOUGHNESS OF DISCONTINUOUS LONG GLASS FIBER REINFORCED POLYPROPYLENE: AN APPROACH BASED ON A NUMERICAL PREDICTION OF FIBER ORIENTATION IN INJECTION MOLDING > Title: FRACTURE TOUGHNESS OF DISCONTINUOUS LONG GLASS FIBER REINFORCED POLYPROPYLENE: AN APPROACH BASED ON A NUMERICAL PREDICTION OF FIBER ORIENTATION IN INJECTION MOLDING Page Range: p.121-130 Author(s): Rizov V; Harmia T; Reinhardt A; Friedrich K File size: 467K Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/fracture-toughness-of-discontinuous-long-glass-fiber-reinforced-polypropylene-an-approach-based-on-a-numerical-prediction-of-fiber-orientation-in-injection-molding/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FRACTURE TOUGHNESS OF DISCONTINUOUS LONG GLASS FIBER REINFORCED POLYPROPYLENE: AN APPROACH BASED ON A NUMERICAL PREDICTION OF FIBER ORIENTATION IN INJECTION MOLDING** Page Range: p.121-130 Author(s): Rizov V; Harmia T; Reinhardt A; Friedrich K File size: 467K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100194&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** The fracture toughness of discontinuous long glass fibre reinforced injection moulded polypropylene was characterised using the microstructural efficiency concept in combination with a numerical prediction of the fibre orientation during injection moulding, using Sigmasoft commercial computer software. In a three-dimensional numerical scheme, fibre volume fractions, shear viscosity and mean fibre aspect ratio data were input in order to perform a mould filling analysis. The resultant local fibre orientation parameters for injection moulded square plates of long glass fibre reinforced PP permitted the calculation of the local fracture toughness using the microstructural efficiency concept. This was compared with the experimental toughness values obtained by the use of compact tension test specimens. A good correlation between the calculated fracture toughness data and the measured ones was reported to indicate that a fibre orientation prediction by the Sigmasoft finite element computer code, could be used in combination with the microstructural efficiency concept for the determination of local fracture toughness values in injection moulded long glass fibre reinforced thermoplastics. It is claimed that this combined approach provides good opportunities for the optimisation of a thermoplastic workpiece in its design with respect to local fracture resistance, which will in turn provide extended areas of application within the engineering sector. 13 refs. --- --- Source: https://polymerjournals.com/structural-investigation-into-poly-p-phenylenebenzobisoxazole-fibres/ # STRUCTURAL INVESTIGATION INTO POLY-P-PHENYLENEBENZOBISOXAZOLE FIBRES > Title: STRUCTURAL INVESTIGATION INTO POLY-P-PHENYLENEBENZOBISOXAZOLE FIBRES Page Range: p.131-137 Author(s): Sharma L; Mizoo O; Pezzotti G File size: 250K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2... Canonical URL: https://polymerjournals.com/structural-investigation-into-poly-p-phenylenebenzobisoxazole-fibres/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURAL INVESTIGATION INTO POLY-P-PHENYLENEBENZOBISOXAZOLE FIBRES** Page Range: p.131-137 Author(s): Sharma L; Mizoo O; Pezzotti G File size: 250K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100195&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** Polyparaphenylene benzobisoxazole fibres (Zylon) are characterised by heat resistance, high modulus and high strength. High resolution Raman piezospectroscopy and electron microscopy were used to quantify the relationship between the structure and the mechanical properties of the fibre. This work reports on the structural changes occurring in two poly paraphenylene benzobisoxazole fibres prepared under different processing conditions. Fibre A was coagulated in aqueous phosphoric acid and fibre B was produced by heat treating fibre A at 650 degrees C under 0.7 GPa tension. The ordered and disordered morphology relating this to probable liquid crystal formation, is revealed. The research is claimed to demonstrate the fundamental importance of polymer processing conditions to the subsequent polymer properties. By undergoing a heat treatment stage, stronger fibres were obtained. 10 refs. --- --- Source: https://polymerjournals.com/toughening-of-polypropylene-highly-filled-with-aluminium-hydroxide/ # TOUGHENING OF POLYPROPYLENE HIGHLY FILLED WITH ALUMINIUM HYDROXIDE > Title: TOUGHENING OF POLYPROPYLENE HIGHLY FILLED WITH ALUMINIUM HYDROXIDE Page Range: p.139-150 Author(s): Zhanpai Su; Pingkai Jiang; Qiang Li; Ping Wei; Yong Zhang File size: 304K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/toughening-of-polypropylene-highly-filled-with-aluminium-hydroxide/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TOUGHENING OF POLYPROPYLENE HIGHLY FILLED WITH ALUMINIUM HYDROXIDE** Page Range: p.139-150 Author(s): Zhanpai Su; Pingkai Jiang; Qiang Li; Ping Wei; Yong Zhang File size: 304K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100196&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** The flame retardant and mechanical properties of rubber-modified, aluminium hydroxide filled PP were studied, together with its morphology. The PP was toughened with EPDM and zinc neutralised sulphated EPDM ionomer. The PP matrix, when high filled with aluminium hydroxide particles can achieve an adequate level of flame retardancy, but there is a decrease in the mechanical properties due to an inadequate adhesion between the aluminium hydroxide particles and the PP matrix, and also the tendency for the filler to agglomerate. By using zinc neutralised sulphated EPDM ionomer instead of EPDM the tensile properties were shown to improve with only a slight decrease in toughness, due to improvements in the interfacial adhesion between modifier and matrix. SEM micrographs showed that the rubber phase was dispersed in the continuous PP matrix, and that most aluminium hydroxide particles were uniformly distributed in the rubbery phase, and that much finer rubbery domains were found in the PP/Zn-S-EPDM/aluminium hydroxide composites. 28 refs. --- --- Source: https://polymerjournals.com/synthesis-and-characterization-of-starch-and-acrylamides-based-hydrogels/ # SYNTHESIS AND CHARACTERIZATION OF STARCH AND ACRYLAMIDES BASED HYDROGELS > Title: SYNTHESIS AND CHARACTERIZATION OF STARCH AND ACRYLAMIDES BASED HYDROGELS Page Range: p.151-165 Author(s): Chauhan G S; Kumari A; Sharma R File size: 524K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/synthesis-and-characterization-of-starch-and-acrylamides-based-hydrogels/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND CHARACTERIZATION OF STARCH AND ACRYLAMIDES BASED HYDROGELS** Page Range: p.151-165 Author(s): Chauhan G S; Kumari A; Sharma R File size: 524K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100197&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** In order to synthesise a variety of hydrogels for use in drug delivery and environmental management technologies, starch was graft copolymerised with three acrylamides: acrylamide, 2-acrylamido-2-methylpropanesulphonic acid and N-isopropyl acrylamide. The synthesis was carried out at two different temperatures, including the gelatinisation temperature of starch (70 degrees C). A redox system, consisting of ammonium persulphate and ferrous ammonium sulphate was used to initiate the polymerisation reactions. Using the same reaction conditions that were used to obtain graft copolymers, crosslinked networks of all three acrylamides and starch were also synthesised in the presence of various concentrations of N,N-methylene bisacrylamide as crosslinker, and also at two different temperatures. The hydrogels were characterised by FTIR and thermal studies to identify some structural aspects and to obtain evidence of network formation. Water uptake by the hydrogels was studied as a function of time, temperature and pH level. Some of the hydrogels were found to be good absorbers of water and it was observed that the synthetic conditions affected their structure, which in turn affected their water uptake. The hydrogels produced were found to be environment-sensitive and showed significant volume transitions when small changes were made in their environment. These responses of the hydrogels to the changes in their environment can be effectively used in environmental management technologies for the remediation of pollutants and in drug delivery devices. 16 refs. --- --- Source: https://polymerjournals.com/polyacrylate-chitosan-modified-montmorillonite-nanocomposite-water-absorption-and-photostability/ # POLYACRYLATE/(CHITOSAN MODIFIED MONTMORILLONITE) NANOCOMPOSITE: WATER ABSORPTION AND PHOTOSTABILITY > Title: POLYACRYLATE/(CHITOSAN MODIFIED MONTMORILLONITE) NANOCOMPOSITE: WATER ABSORPTION AND PHOTOSTABILITY Page Range: p.167-172 Author(s): Haixia Qiu; Jiungao Yu; Junli Zhu File size: 117K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue... Canonical URL: https://polymerjournals.com/polyacrylate-chitosan-modified-montmorillonite-nanocomposite-water-absorption-and-photostability/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYACRYLATE/(CHITOSAN MODIFIED MONTMORILLONITE) NANOCOMPOSITE: WATER ABSORPTION AND PHOTOSTABILITY** Page Range: p.167-172 Author(s): Haixia Qiu; Jiungao Yu; Junli Zhu File size: 117K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100198&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** It is known that the water absorption of polyacrylate (PAA)-based superabsorbent polymers decreases in sunlight after a long time. To reduce this, polymer/montmorillonite (MMT) nanocomposites have been developed with photostability. However, the preparation of PPA/MMT nanocomposites is reported to be difficult because it is not easy for PAA to intercalate into MMT sheets. The modification of MMT with hydrophilic molecules is therefore necessary. Montmorillonite was modified with chitosan to facilitate intercalation. It was found that the water absorption of the PAA/modified MMT composite increased by 91 g/g. FTIR analysis identified that the drive for intercalation could arise from the strong interaction between chitosan and MMT. 20 refs. --- --- Source: https://polymerjournals.com/polypropylene-ethylene-octene-copolymer-organic-montmorillonite-nanocomposites/ # POLYPROPYLENE/ETHYLENE-OCTENE COPOLYMER/ORGANIC-MONTMORILLONITE NANOCOMPOSITES > Title: POLYPROPYLENE/ETHYLENE-OCTENE COPOLYMER/ORGANIC-MONTMORILLONITE NANOCOMPOSITES Page Range: p.173-180 Author(s): Minyan Guo; Xiaodong Zhou, Gance Dai; Fuzeng Hu File size: 238K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2... Canonical URL: https://polymerjournals.com/polypropylene-ethylene-octene-copolymer-organic-montmorillonite-nanocomposites/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYPROPYLENE/ETHYLENE-OCTENE COPOLYMER/ORGANIC-MONTMORILLONITE NANOCOMPOSITES** Page Range: p.173-180 Author(s): Minyan Guo; Xiaodong Zhou, Gance Dai; Fuzeng Hu File size: 238K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100199&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** Propylene (PP)/ethylene-octene copolymer(POE)/organic montmorillonite (OMMT) nanocomposites were prepared by melt compounding. PP grafted with maleic anhydride (MPP) was added as the compatibilising agent. Analyses were carried out by wide-angle X-ray diffraction, TEM and SEM, which indicated that polymer chains had intercalated into OMMT, and that some of the OMMT had delaminated into nanolayers dispersed in the PP matrix. Mechanical tests showed that the addition of POE had increased the toughness of PP, but decreased its stiffness, but that when OMMT and MPP were added, the toughness of PP increased greatly, with no profound change in the stiffness. DSC was used to study the melt and crystallisation behaviour of the composites. Results indicated that OMMT and MPP had acted as effective nucleating agents. 14 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-a-water-swelling-rubber-by-in-situ-formed-lithium-acrylate-in-nitrile-rubber/ # PREPARATION AND PROPERTIES OF A WATER-SWELLING RUBBER BY IN SITU FORMED LITHIUM ACRYLATE IN NITRILE RUBBER > Title: PREPARATION AND PROPERTIES OF A WATER-SWELLING RUBBER BY IN SITU FORMED LITHIUM ACRYLATE IN NITRILE RUBBER Page Range: p.181-190 Author(s): Wentan Ren; Zonglin Peng; Yong Zhang; Yinxi Zhang File size: 188K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-a-water-swelling-rubber-by-in-situ-formed-lithium-acrylate-in-nitrile-rubber/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF A WATER-SWELLING RUBBER BY IN SITU FORMED LITHIUM ACRYLATE IN NITRILE RUBBER** Page Range: p.181-190 Author(s): Wentan Ren; Zonglin Peng; Yong Zhang; Yinxi Zhang File size: 188K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100200&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** Lithium acrylate (LiAA) was in situ prepared in nitrile rubber (NBR) through neutralisation of lithium hydroxide (LiOH) and acrylic acid (AA) during mixing. The NBR/LiAA compounds were vulcanised with dicumyl peroxide (DCP). The in-situ preparation and polymerisation of LiAA were characterised using FTIR spectrometry. The micrographs of the compounds and vulcanisates were explored using SEM. The effects of DCP and LiAA contents on the water-swelling and mechanical properties of the vulcanisates were studied, and the relationship between the LiOH/AA molar ratio and the properties of the vulcanisates was investigated. Results showed that the in situ formed LiAA could improve the mechanical and water-swelling properties of the NBR/LiAA vulcanisates. Properly compounded vulcanisates were found to have high water-swelling ratios over 800%, and tensile strength of ore than 12MPa. DSC measurements indicated that he water absorbed in the vulcanisate existed in PLiAA and NBR networks in three different physical states, namely: free water, freezable bound water and non-freezable bound water. 36 refs. --- --- Source: https://polymerjournals.com/synthesis-of-multiblock-copolymers-of-poly2-vinylpyridine-and-polyoxyethylene-and-their-application-as-compatibilizers-for-epichlorohydrin-rubber-polyvinyl-chloride-blends/ # SYNTHESIS OF MULTIBLOCK COPOLYMERS OF POLY(2-VINYLPYRIDINE) AND POLYOXYETHYLENE AND THEIR APPLICATION AS COMPATIBILIZERS FOR EPICHLOROHYDRIN RUBBER/POLY(VINYL CHLORIDE) BLENDS > Title: SYNTHESIS OF MULTIBLOCK COPOLYMERS OF POLY(2-VINYLPYRIDINE) AND POLYOXYETHYLENE AND THEIR APPLICATION AS COMPATIBILIZERS FOR EPICHLOROHYDRIN RUBBER/POLY(VINYL CHLORIDE) BLENDS Page Range: p.191-198 Author(s): Chaoyang Wang File size: 169K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/synthesis-of-multiblock-copolymers-of-poly2-vinylpyridine-and-polyoxyethylene-and-their-application-as-compatibilizers-for-epichlorohydrin-rubber-polyvinyl-chloride-blends/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF MULTIBLOCK COPOLYMERS OF POLY(2-VINYLPYRIDINE) AND POLYOXYETHYLENE AND THEIR APPLICATION AS COMPATIBILIZERS FOR EPICHLOROHYDRIN RUBBER/POLY(VINYL CHLORIDE) BLENDS** Page Range: p.191-198 Author(s): Chaoyang Wang File size: 169K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100201&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** Multiblock copolymers of poly(2-vinylpyridine) and polyoxymethylene were synthesised by condensing telechelic dihydroxy poly(2-vinylpyridine) and polyoxymethylene with dichloromethane in the presence of potassium hydroxide. The block copolymers behaved as good compatibilisers for the blending of epichlorohydrin rubber with polyvinyl chloride.. It was found that by adding approximately 2-3% block copolymer to the blends improved the mechanical properties. 20 refs. --- --- Source: https://polymerjournals.com/synthesis-characterization-and-properties-of-silicon-dioxide-polyamide-hybrid-film/ # SYNTHESIS, CHARACTERIZATION AND PROPERTIES OF SILICON DIOXIDE-POLYAMIDE HYBRID FILM > Title: SYNTHESIS, CHARACTERIZATION AND PROPERTIES OF SILICON DIOXIDE-POLYAMIDE HYBRID FILM Page Range: p.199-207 Author(s): Zhang C H; Zhang Z Q; Li Q Y; Cao H L File size: 175K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/synthesis-characterization-and-properties-of-silicon-dioxide-polyamide-hybrid-film/ Published: 2005-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS, CHARACTERIZATION AND PROPERTIES OF SILICON DIOXIDE-POLYAMIDE HYBRID FILM** Page Range: p.199-207 Author(s): Zhang C H; Zhang Z Q; Li Q Y; Cao H L File size: 175K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-2&JournalID=100202&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 2 **Abstract** This study reports on the preparation of silicon dioxide-polyimide hybrid films, from polyamic acid solution and a nano-silicon dioxide precursor. The process for making the polyimide was characterised by FTIR spectra. FT-IR XPS, SEM were used to characterise the silicon dioxide-polyimide hybrid film. Nanoindentation properties and the thermal stability of the polyimide film and the silicon dioxide-polyimide films were investigated by means of a Nano indenter XP and a ZRY-2P thermoanalysis instrument respectively. TGA evidence suggested that the thermal stability of the silicon dioxide-polyimide hybrid film was better than that of the polyimide film and that the thermal decomposition temperature was increased from 547.8 degrees C to 567.5 degrees C. 18 refs. --- --- Source: https://polymerjournals.com/thermal-degradation-of-polyurethane-bicomponent-systems-in-controlled-atmospheres/ # THERMAL DEGRADATION OF POLYURETHANE BICOMPONENT SYSTEMS IN CONTROLLED ATMOSPHERES > Title: THERMAL DEGRADATION OF POLYURETHANE BICOMPONENT SYSTEMS IN CONTROLLED ATMOSPHERES Page Range: p.1-26 Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Raffin G; Grenier-Loustalot M F File size: 353K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/thermal-degradation-of-polyurethane-bicomponent-systems-in-controlled-atmospheres/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL DEGRADATION OF POLYURETHANE BICOMPONENT SYSTEMS IN CONTROLLED ATMOSPHERES** Page Range: p.1-26 Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Raffin G; Grenier-Loustalot M F File size: 353K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100185&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** The thermal behaviour of bicomponent polyurethanes in conditions of controlled atmosphere and temperature was characterised by determining their heat stability using on-line TGA/FT-IR coupling and off-line TGA/TCT/GC/MS coupling in order to identify the volatile compounds released. Degradation residues were analysed by FT-IR and MALDI-TOF mass spectrometry. A major disadvantage of these thermoplastic elastomers is that one of the components, isocyanate, is toxic. Based on the data obtained with model urethane compounds (para-TI-based) and bicomponent polyurethane polymer (MDI and PEG-based), this paper demonstrates that the thermal degradations are different. Since the various applications to which these materials are applied and the fact that they are exposed to extreme working conditions, reaction mechanisms for their degradation are proposed. 47 refs. --- --- Source: https://polymerjournals.com/hydrothermal-ageing-of-gf-pp-composites-when-glass-polymer-adhesion-favours-water-entrapment/ # HYDROTHERMAL AGEING OF GF/PP COMPOSITES: WHEN GLASS/POLYMER ADHESION FAVOURS WATER ENTRAPMENT > Title: HYDROTHERMAL AGEING OF GF/PP COMPOSITES: WHEN GLASS/POLYMER ADHESION FAVOURS WATER ENTRAPMENT Page Range: p.27-35 Author(s): Lariviere D; Krawczak P; Tiberi C; Lucas P File size: 173K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/hydrothermal-ageing-of-gf-pp-composites-when-glass-polymer-adhesion-favours-water-entrapment/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HYDROTHERMAL AGEING OF GF/PP COMPOSITES: WHEN GLASS/POLYMER ADHESION FAVOURS WATER ENTRAPMENT** Page Range: p.27-35 Author(s): Lariviere D; Krawczak P; Tiberi C; Lucas P File size: 173K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100186&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** The aim of this paper is to investigate the effects of hydrothermal ageing on the mechanical behaviour in transverse tension of commingled PP/glass fibre yarn composites with different interfacial qualities, and also to investigate the influence of a silane based glass sizing and of a PP-g-MAH matrix coupling on the water absorption level and on the desorption rate of these materials. It was observed that the aminosilane fibre sizing protected these materials very well against water, and that the fibre sizing resulted in a diminution of the amount of absorbed water. It is shown that the better the adhesion, the longer the water stayed inside the composite material. This appears to be the counterpart of the protecting role against moisture of a strong interface. The interfacial interactions act as barriers during absorption and also during desorption, leading to water molecule entrapment. The persistence of water trapped at the interfaces in the case of sized glass fibres composites, leads to the recommendation to investigate the long term effects on longitudinal tension properties, since the effects of zero-stress ageing are known to reduce fibre strength, it is stated. 29 refs. --- --- Source: https://polymerjournals.com/amide-containing-bismaleimide-resins-and-their-copper-foil-composite-materials/ # AMIDE-CONTAINING BISMALEIMIDE RESINS AND THEIR COPPER FOIL COMPOSITE MATERIALS > Title: AMIDE-CONTAINING BISMALEIMIDE RESINS AND THEIR COPPER FOIL COMPOSITE MATERIALS Page Range: p.37-52 Author(s): Meng-Shun Huang; Ming-Chien Yang; Shen Chou File size: 425K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13... Canonical URL: https://polymerjournals.com/amide-containing-bismaleimide-resins-and-their-copper-foil-composite-materials/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: AMIDE-CONTAINING BISMALEIMIDE RESINS AND THEIR COPPER FOIL COMPOSITE MATERIALS** Page Range: p.37-52 Author(s): Meng-Shun Huang; Ming-Chien Yang; Shen Chou File size: 425K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100187&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** Amide-containing bismaleimide (ACBI) resins were prepared using four monomeric reactants: 3,4'-oxydialine, trimellitic anhydride, maleic anhydride, and 4-aminobenzoic acid. The chemical structures were characterised using elemental analysis and FTIR. The peel strength, dielectric constant, dissipation factor, heat resistance, and chemical resistance were studied. Experimental results show that the optimal hot-press conditions for ACBI/copper foil laminates was 320 degrees C and 4.9 MPa. ACBI laminates treated with 0.2% NZ97 coupling agent were shown to have the highest peel strength of 2.097 kN/m. After 24 hours at 300 degrees C, the peel strength was 1.568 kN/m, the 1 MHz dielectric constant of ACBI was 3.48, and the dissipation factor was 0.0082. Following a hot/wet treatment for 72 hours, ACBI laminates maintained 76% of their original peel strength. After treating in 10% sulphuric acid solution at 60 degrees C for 30 minutes, ACBI laminates were shown to have maintained 88% of their original peel strength. 16 refs. --- --- Source: https://polymerjournals.com/preparation-and-properties-of-semi-transparent-epdm-montmorillonite-nanocomposites/ # PREPARATION AND PROPERTIES OF SEMI-TRANSPARENT EPDM/MONTMORILLONITE NANOCOMPOSITES > Title: PREPARATION AND PROPERTIES OF SEMI-TRANSPARENT EPDM/MONTMORILLONITE NANOCOMPOSITES Page Range: p.53-60 Author(s): Hua Zheng; Yong Zhang; Zonglin Peng; Yinxi Zhang File size: 142K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13... Canonical URL: https://polymerjournals.com/preparation-and-properties-of-semi-transparent-epdm-montmorillonite-nanocomposites/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND PROPERTIES OF SEMI-TRANSPARENT EPDM/MONTMORILLONITE NANOCOMPOSITES** Page Range: p.53-60 Author(s): Hua Zheng; Yong Zhang; Zonglin Peng; Yinxi Zhang File size: 142K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100188&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** EPDM/organic montmorillonite (OMMT) nanocomposites were prepared via a melt-mixing process in an internal mixer. The nanoscale dispersion of OMMT in the EPDM matrix was verified by X-ray diffraction and transmission electron microscopy, relating to an exfoliated morphology. The effects of OMMT on the mechanical properties, curing behaviour, optical properties and thermal properties of the EPDM/OMMT nanocomposites were studied. Experimental results indicated that the OMMT provided good reinforcement to the EPDM vulcanisates. Tensile strength and tear strength of the nanocomposites significantly increased with increased filler content. The nanocomposite was cured by 2,5-dimethyl-2,5-bis (tert-butyl peroxy) hexane, and was semi-transparent, the OMMT content having little influence on curing behaviour. Increases in glass transition temperature and thermal decomposition temperature were observed, which are claimed to be related to the nanoscale dispersion of the OMMT and the strong interaction between the matrix and filler. In addition, the permeability of oxygen for the nanocomposite is reported to be markedly reduced. 25 refs. --- --- Source: https://polymerjournals.com/morphology-crystalline-structure-and-isothermal-crystallization-kinetics-of-polybutylene-terephthalate-montmorillonite-nanocomposites/ # MORPHOLOGY, CRYSTALLINE STRUCTURE AND ISOTHERMAL CRYSTALLIZATION KINETICS OF POLYBUTYLENE TEREPHTHALATE/MONTMORILLONITE NANOCOMPOSITES > Title: MORPHOLOGY, CRYSTALLINE STRUCTURE AND ISOTHERMAL CRYSTALLIZATION KINETICS OF POLYBUTYLENE TEREPHTHALATE/MONTMORILLONITE NANOCOMPOSITES Page Range: p.61-71 Author(s): Defeng Wu; Chixing Zhou; Xie Fan; Dalian Mao; Zhang Bian File size: 283K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/morphology-crystalline-structure-and-isothermal-crystallization-kinetics-of-polybutylene-terephthalate-montmorillonite-nanocomposites/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MORPHOLOGY, CRYSTALLINE STRUCTURE AND ISOTHERMAL CRYSTALLIZATION KINETICS OF POLYBUTYLENE TEREPHTHALATE/MONTMORILLONITE NANOCOMPOSITES** Page Range: p.61-71 Author(s): Defeng Wu; Chixing Zhou; Xie Fan; Dalian Mao; Zhang Bian File size: 283K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100189&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** PBTP/montmorillonite (MMT) nanocomposites were prepared by the melt intercalation method, and their microstructure was characterised by wide angle X-ray diffraction and transmission electron microscopy. The XRD results showed that the crystalline plane was smaller than that of unreinforced PBTP, indicating that the crystallite size of PBTP in the nanocomposites could be diminished by the addition of clay. The isothermal crystallisation kinetics of PBTP and PBTP/MMT nanocomposites was investigated by DSC. During isothermal crystallisation the development of crystallinity with time was analysed using the Avrami equation. Results indicated that the addition of very small amounts of clay dramatically increased the rate of crystallisation and high clay concentrations reduced the rate of crystallisation at the low crystallisation temperatures. Activation energies of crystallisation for PBTP and its nanocomposites were calculated by the Arrhenius relationship, and the results showed that the nanocomposites with a low clay content had the lower activation energy values than PBTP, while high amounts of clay, increased the activation energy of PBTP. 25 refs. --- --- Source: https://polymerjournals.com/fatigue-behaviour-of-multilayer-braided-fabric-reinforced-laminates/ # FATIGUE BEHAVIOUR OF MULTILAYER BRAIDED FABRIC REINFORCED LAMINATES > Title: FATIGUE BEHAVIOUR OF MULTILAYER BRAIDED FABRIC REINFORCED LAMINATES Page Range: p.73-81 Author(s): Zheng-Ming Huang; Teng X C; Ramakrishna S File size: 290K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13... Canonical URL: https://polymerjournals.com/fatigue-behaviour-of-multilayer-braided-fabric-reinforced-laminates/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: FATIGUE BEHAVIOUR OF MULTILAYER BRAIDED FABRIC REINFORCED LAMINATES** Page Range: p.73-81 Author(s): Zheng-Ming Huang; Teng X C; Ramakrishna S File size: 290K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100190&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** This paper investigates the fatigue behaviour of laminated composites made from an epoxy matrix and four layers of flat regular braided carbon fibre fabrics of different braiding angles. Static tensile and tension-tension fatigue tests were conducted for those laminates and detailed fatigue data are reported. Failure mechanisms for the tested laminates are also characterised. When a laminate was fabricated using multilayers of braided fabric laminas of the same braiding angle, no delamination was found. Thus, a braided fabric laminate would be more delamination resistant than an angle plied laminate with the same angle. However, it was found that when the laminate was made of combined laminas with different braiding angles, significant delamination can be found because of the existence of sufficiently high shear stresses between the combined layers. This is claimed to suggest that in order to diminish delamination, a stacking of braided fabric laminae of different braiding angles should be avoided. 16 refs. --- --- Source: https://polymerjournals.com/thermal-conductivity-of-needle-punched-preforms-made-of-carbon-and-oxipan-fibres/ # THERMAL CONDUCTIVITY OF NEEDLE PUNCHED PREFORMS MADE OF CARBON AND OXIPAN FIBRES > Title: THERMAL CONDUCTIVITY OF NEEDLE PUNCHED PREFORMS MADE OF CARBON AND OXIPAN FIBRES Page Range: p.83-92 Author(s): Jae Yeol Lee; Tae Jin Kang File size: 185K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/thermal-conductivity-of-needle-punched-preforms-made-of-carbon-and-oxipan-fibres/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL CONDUCTIVITY OF NEEDLE PUNCHED PREFORMS MADE OF CARBON AND OXIPAN FIBRES** Page Range: p.83-92 Author(s): Jae Yeol Lee; Tae Jin Kang File size: 185K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100191&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** The thermal conductivity of preforms made by a needle punching technique was measured using a tailor-made apparatus. Measurements were carried out in the absence of the matrix resin to find the thermal conductivity of the preforms themselves. The preforms were made with a variety of material compositions and textile structures, and various needle punching densities. Preforms made of woven fabric are reported to have shown higher thermal conductivity than those of felt fabric. It was also shown that needle punching density had a strong influence on the thermal conductivity. An increase in the needle punching density decreased the thermal conductivity along the in-plane direction, and increased it along through-the-thickness direction. An analytical model for thermal conduction in both directions was devised, and the results were seen to be consistent with those achieved experimentally. The thermal conductivity of the rearranged fibres in the punching hole was estimated by parametric studies. 20 refs. --- --- Source: https://polymerjournals.com/influence-of-electron-beam-irradiation-and-step-crosslinking-process-on-solvent-penetration-and-thermal-properties-of-natural-rubber-vulcanizates/ # INFLUENCE OF ELECTRON BEAM IRRADIATION AND STEP-CROSSLINKING PROCESS ON SOLVENT PENETRATION AND THERMAL PROPERTIES OF NATURAL RUBBER VULCANIZATES > Title: INFLUENCE OF ELECTRON BEAM IRRADIATION AND STEP-CROSSLINKING PROCESS ON SOLVENT PENETRATION AND THERMAL PROPERTIES OF NATURAL RUBBER VULCANIZATES Page Range: p.93-103 Author(s): Madani M; Badawy M M File size: 143K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/influence-of-electron-beam-irradiation-and-step-crosslinking-process-on-solvent-penetration-and-thermal-properties-of-natural-rubber-vulcanizates/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF ELECTRON BEAM IRRADIATION AND STEP-CROSSLINKING PROCESS ON SOLVENT PENETRATION AND THERMAL PROPERTIES OF NATURAL RUBBER VULCANIZATES** Page Range: p.93-103 Author(s): Madani M; Badawy M M File size: 143K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100192&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** The influence of electron beam irradiation and step-cross-linking on the properties of high abrasion furnace carbon black loaded natural rubber vulcanisates is reported. Results of the tests concluded that the polymer-filler interaction for samples vulcanised by a one-step crosslinking process was high compared with that for those vulcanised via a two-step crosslinking process. The study also examined the effect on solvent (methyl ethyl ketone) penetration into the loaded vulcanisate. The maximum amount of solvent uptake decreased with the carbon black content and also with the irradiation dose, while the thermal conductivity increased because of an increase in crosslink density. The model proposed by Agari et al to calculate the effective thermal conductivity of the composite was tested as a function of electron beam irradiation dose and the step-crosslinking process. 41 refs. --- --- Source: https://polymerjournals.com/graft-copolymers-of-polymethyl-methacrylate-on-cellulose-and-their-use-as-supports-in-metal-ion-sorption/ # GRAFT COPOLYMERS OF POLY(METHYL METHACRYLATE) ON CELLULOSE AND THEIR USE AS SUPPORTS IN METAL ION SORPTION > Title: GRAFT COPOLYMERS OF POLY(METHYL METHACRYLATE) ON CELLULOSE AND THEIR USE AS SUPPORTS IN METAL ION SORPTION Page Range: p.105-116 Author(s): Chauhan G S; Kumar S; Verma M; Sharma R File size: 139K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/graft-copolymers-of-polymethyl-methacrylate-on-cellulose-and-their-use-as-supports-in-metal-ion-sorption/ Published: 2005-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: GRAFT COPOLYMERS OF POLY(METHYL METHACRYLATE) ON CELLULOSE AND THEIR USE AS SUPPORTS IN METAL ION SORPTION** Page Range: p.105-116 Author(s): Chauhan G S; Kumar S; Verma M; Sharma R File size: 139K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc13-1&JournalID=100193&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 13 Issue No: No. 1 **Abstract** In order to develop new polymeric materials for environmental technologies based on cellulose, methyl methacrylate was graft copolymerised using benzoyl peroxide as free radical initiator. The cellulose was extracted from pine needles. Reaction conditions for optimum grafting were evaluated. These included concentrations of monomer and initiator, reaction time and temperature, and the nature, amount and composition of the solvent system. Graft copolymers were characterised by FTIR, elemental analysis and swelling behaviour in water and dimethyl formamide. Attempts were made to evaluate the effect of comonomer concentration on the grafting behaviour of methyl methacrylate and on the structure of the copolymers. Candidate copolymers were used as supports for the sorption of metal ions, and results were compared with those obtained using native cellulose, cellulose phosphate and oxycellulose. 22 refs. --- --- Source: https://polymerjournals.com/synthesis-mechanisms-and-kinetics-of-formation-of-bi-component-polyurethanes/ # SYNTHESIS, MECHANISMS AND KINETICS OF FORMATION OF BI-COMPONENT POLYURETHANES > Title: SYNTHESIS, MECHANISMS AND KINETICS OF FORMATION OF BI-COMPONENT POLYURETHANES Page Range: p.645-665 Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Paisse O; Raffin G; Grenier-Loustalot M F File size: 357K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/synthesis-mechanisms-and-kinetics-of-formation-of-bi-component-polyurethanes/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS, MECHANISMS AND KINETICS OF FORMATION OF BI-COMPONENT POLYURETHANES** Page Range: p.645-665 Author(s): Ketata N; Sanglar C; Waton H; Alamercery S; Delolme F; Paisse O; Raffin G; Grenier-Loustalot M F File size: 357K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100175&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** The polyaddition reactions of bi-component polyurethane systems are characterised in this work. In order to characterise the reactivities of different polyethers towards 4,4'-diphenylmethane-diisocyanate, the mechanisms and kinetics of formation of polyurethanes were modelled by using the p-tolylisocyanate. Two types of polyethers were used: polyethylene glycol and polypropylene glycol with variable macromolecular chains and structures. The results were obtained by using a variety of analytical techniques, (NMR, FTIR, HPLC/UV/MS, ESI/MS, DSC, and MALDI-TOF). This work illustrates the need to use several complementary techniques in order to understand the molten state reaction mechanisms and kinetics of these complex PU systems. 30 refs. --- --- Source: https://polymerjournals.com/comparative-rheological-properties-of-dope-solutions-of-high-molar-mass-polyacrylonitrile-co-methylacrylate-co-itaconic-acid/ # COMPARATIVE RHEOLOGICAL PROPERTIES OF DOPE SOLUTIONS OF HIGH MOLAR-MASS POLY(ACRYLONITRILE-CO-METHYLACRYLATE-CO-ITACONIC ACID) > Title: COMPARATIVE RHEOLOGICAL PROPERTIES OF DOPE SOLUTIONS OF HIGH MOLAR-MASS POLY(ACRYLONITRILE-CO-METHYLACRYLATE-CO-ITACONIC ACID) Page Range: p.667-677 Author(s): Devasia R; Nair C P R; Ninan K N File size: 244K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/comparative-rheological-properties-of-dope-solutions-of-high-molar-mass-polyacrylonitrile-co-methylacrylate-co-itaconic-acid/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARATIVE RHEOLOGICAL PROPERTIES OF DOPE SOLUTIONS OF HIGH MOLAR-MASS POLY(ACRYLONITRILE-CO-METHYLACRYLATE-CO-ITACONIC ACID)** Page Range: p.667-677 Author(s): Devasia R; Nair C P R; Ninan K N File size: 244K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100176&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** The rheological behaviour of a dope solution of poly(acrylonitrile-co-itaconic acid) copolymer was compared with that of a poly(acrylonitrile-co-methylacrylate-co-itaconic acid) terpolymer of identical molecular weight. The effects of temperature, concentration and shear force on the rheology of the polymer dope were examined. It was found that in both cases, the temperature dependence of zero shear viscosity conformed to the Arrhenius-Frenkel-Eyring equation. The free energy change increased with concentration more significantly for the copolymer than the terpolymer. The Power Law model was fitted to the shear dependency of the viscosity, and the pseudoplasticity index was shown to decrease with the dope concentration. The shear thinning behaviour was more pronounced for the terpolymer than the copolymer. Empirical models were derived which were able to predict the pseudoplasticity index value of the polymers of a given viscosity-average molecular weight at any concentration and temperature. The onset of shear thinning shifted to a lower shear regime with an increase in solid concentration. 26 refs. --- --- Source: https://polymerjournals.com/multi-response-optimization-of-pc-abs-blends-using-principal-component-analysis/ # MULTI-RESPONSE OPTIMIZATION OF PC/ABS BLENDS USING PRINCIPAL COMPONENT ANALYSIS > Title: MULTI-RESPONSE OPTIMIZATION OF PC/ABS BLENDS USING PRINCIPAL COMPONENT ANALYSIS Page Range: p.679-688 Author(s): Chin-Ping Fung; Po-Chung Kang File size: 114K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No:... Canonical URL: https://polymerjournals.com/multi-response-optimization-of-pc-abs-blends-using-principal-component-analysis/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MULTI-RESPONSE OPTIMIZATION OF PC/ABS BLENDS USING PRINCIPAL COMPONENT ANALYSIS** Page Range: p.679-688 Author(s): Chin-Ping Fung; Po-Chung Kang File size: 114K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100177&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** This paper, using principal component analysis (PCA) based on the Taguchi method, presents the optimum levels of injection moulding parameters in relation to the mechanical properties of polycarbonate/ABS blends. The experiment design used an orthogonal array for the four controllable manufacturing process factors, namely, filling time, melt temperature, mould temperature, and packing pressure, each at three levels, to find the optimum process factor/level combination. The single-response optimisation of the mechanical properties was conducted using the Taguchi method. For a multi-response case, PCA was employed to transform the correlated principal properties to a set of uncorrelated principal components. The optimum process factor/level combination based on the first principal component was determined first. Then the appropriate number of principal components extracted, and the impact of that number on the optimum process condition was investigated by extracting more than one principal component and integrating them into a comprehensive index. Finally, an analysis of variance was used to find the most influential injection moulding parameter for single and multiple response problems. Results are discussed. 20 refs. --- --- Source: https://polymerjournals.com/plasma-treatments-of-melt-extruded-blend-sheets-of-recycled-pet-polyepsilon-caprolactone/ # PLASMA TREATMENTS OF MELT-EXTRUDED BLEND SHEETS OF RECYCLED PET/POLY(EPSILON-CAPROLACTONE) > Title: PLASMA TREATMENTS OF MELT-EXTRUDED BLEND SHEETS OF RECYCLED PET/POLY(EPSILON-CAPROLACTONE) Page Range: p.689-694 Author(s): Hirotsu T; Qi K; Nakayama K File size: 335K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12... Canonical URL: https://polymerjournals.com/plasma-treatments-of-melt-extruded-blend-sheets-of-recycled-pet-polyepsilon-caprolactone/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PLASMA TREATMENTS OF MELT-EXTRUDED BLEND SHEETS OF RECYCLED PET/POLY(EPSILON-CAPROLACTONE)** Page Range: p.689-694 Author(s): Hirotsu T; Qi K; Nakayama K File size: 335K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100178&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** A plasma process was applied to the surface treatments of melt extruded sheets of blends of recycled PETP with polyepsilon-caprolactone, and the surface effects were investigated with regard to the changes in surface morphology and chemical structure. Plasmas of different reactivity were used: non-oxidative argon and nitrogen, and oxidative oxygen. Mass loss by etching and morphology changes to the surfaces were investigated with regard to the discharge power effects as well as the plasma gas source reactivity. The sheets of polyepsilon-caprolactone and polyepsilon-caprolactone-rich blends were found to be more susceptible to the oxidative plasmas, and resistant to the non-oxidative plasmas. The generation of microstructures was observed on wavy or granular forms of morphology of the original sheets after the plasma treatments, according to scanning probe microscopy observations. 15 refs. --- --- Source: https://polymerjournals.com/preparation-and-characterisation-of-polyaniline-grafted-silica-nanoparticles/ # PREPARATION AND CHARACTERISATION OF POLYANILINE GRAFTED SILICA NANOPARTICLES > Title: PREPARATION AND CHARACTERISATION OF POLYANILINE GRAFTED SILICA NANOPARTICLES Page Range: p.695-698 Author(s): Liu Peng; Liu Weimin; Xue Qunji File size: 182K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue... Canonical URL: https://polymerjournals.com/preparation-and-characterisation-of-polyaniline-grafted-silica-nanoparticles/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREPARATION AND CHARACTERISATION OF POLYANILINE GRAFTED SILICA NANOPARTICLES** Page Range: p.695-698 Author(s): Liu Peng; Liu Weimin; Xue Qunji File size: 182K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100179&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** Polyaniline (PANI) was grafted covalently onto the surfaces of silica nanoparticles by a three-step method. PANI was grafted onto the surfaces of the phenylaminopropyl silica nanoparticles by the in-situ chemical oxidation of aniline with ammonium peroxydisulphate using a dispersion polymerisation method. A percentage of grafting of 234% and a grafting efficiency of 54.1% were achieved, calculated from the results of elemental analysis. The polyaniline grafted silica nanoparticles were also characterised by FT-IR, UV/vis, TEM, XPS and TGA. The four probe conductivities were also measured. The product is expected to be used in secondary batteries, biosensors, corrosion protection, and antistatic packaging materials. 6 refs. --- --- Source: https://polymerjournals.com/investigation-into-polyhydroxybutyrate-morphology-under-the-influence-of-varying-solvent-type/ # INVESTIGATION INTO POLYHYDROXYBUTYRATE MORPHOLOGY UNDER THE INFLUENCE OF VARYING SOLVENT TYPE > Title: INVESTIGATION INTO POLYHYDROXYBUTYRATE MORPHOLOGY UNDER THE INFLUENCE OF VARYING SOLVENT TYPE Page Range: p.699-703 Author(s): Sharma L; Nishida K; Kanaya T File size: 170K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/investigation-into-polyhydroxybutyrate-morphology-under-the-influence-of-varying-solvent-type/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INVESTIGATION INTO POLYHYDROXYBUTYRATE MORPHOLOGY UNDER THE INFLUENCE OF VARYING SOLVENT TYPE** Page Range: p.699-703 Author(s): Sharma L; Nishida K; Kanaya T File size: 170K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100180&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** Polyhydroxybutyrate (PHB) is a bacterially synthesised biodegradable semi-crystalline which undergoes underpinning of spherulites during secondary crystallisation, causing severe cracking and rendering the material brittle. Brittleness can be reduced by the use of a plasticiser, and to this end, this paper investigates the influence of the solvent, (chloroform, acetone, and toluene) as a plasticiser, on PHB. PHB's crystalline and amorphous FTIR bands in the 950-1850 cm-1 region were studied. No band change was identified between the different solvent systems, indicating that the solvent was not an influencing factor in the formation of crystalline and amorphous regions in PHB. Hot stage optical microscopy was also used to further substantiate the FTIR studies. However, a marked change between the solvents and pure PHB became evident. The growth rate decreased for all solvents compared to the homopolymer, which is reported to indicate a non-plasticising effect. 19 refs. --- --- Source: https://polymerjournals.com/morphological-characterisation-of-natural-fibre-reinforced-thermoplastics-nfrtp-processed-by-extrusion-compression-and-rotational-moulding/ # MORPHOLOGICAL CHARACTERISATION OF NATURAL FIBRE REINFORCED THERMOPLASTICS (NFRTP) PROCESSED BY EXTRUSION, COMPRESSION AND ROTATIONAL MOULDING > Title: MORPHOLOGICAL CHARACTERISATION OF NATURAL FIBRE REINFORCED THERMOPLASTICS (NFRTP) PROCESSED BY EXTRUSION, COMPRESSION AND ROTATIONAL MOULDING Page Range: p.705-718 Author(s): Torres F G; Diaz R M File size: 661K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/morphological-characterisation-of-natural-fibre-reinforced-thermoplastics-nfrtp-processed-by-extrusion-compression-and-rotational-moulding/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MORPHOLOGICAL CHARACTERISATION OF NATURAL FIBRE REINFORCED THERMOPLASTICS (NFRTP) PROCESSED BY EXTRUSION, COMPRESSION AND ROTATIONAL MOULDING** Page Range: p.705-718 Author(s): Torres F G; Diaz R M File size: 661K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100181&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** A methodology is described for applying conventional morphological characterisation techniques to some of the manufacturing processes of natural fibre reinforced thermoplastics (NFRTP). The composites studied consisted of matrices of PP or PE, and of discrete jute, sisal and other natural fibres as reinforcement. Various microscopic techniques were used to characterise the processing stages and the structure-property relationships during the manufacture of NFRTPs using single-screw extrusion, compression and rotational moulding. Attention was focussed on the fibre length distributions, fibre orientation and overall fibre dispersion in the matrix. In addition, transcrystallinity in the case of PP/sisal and PP/jute composites is also reported. The characterisation procedures described are related to the manufacturing processes studied in each case, and it is suggested that some or all of the techniques described could be implemented as quality control procedures in the manufacture of products using NFRTPs. 30 refs. --- --- Source: https://polymerjournals.com/curing-study-of-a-toughened-epoxy-system-using-the-dynamic-torsional-vibration-method/ # CURING STUDY OF A TOUGHENED EPOXY SYSTEM USING THE DYNAMIC TORSIONAL VIBRATION METHOD > Title: CURING STUDY OF A TOUGHENED EPOXY SYSTEM USING THE DYNAMIC TORSIONAL VIBRATION METHOD Page Range: p.719-726 Author(s): Chen Dazhu; Yuan Fang; He Pingsheng; Quian Jiasheng File size: 178K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/curing-study-of-a-toughened-epoxy-system-using-the-dynamic-torsional-vibration-method/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURING STUDY OF A TOUGHENED EPOXY SYSTEM USING THE DYNAMIC TORSIONAL VIBRATION METHOD** Page Range: p.719-726 Author(s): Chen Dazhu; Yuan Fang; He Pingsheng; Quian Jiasheng File size: 178K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100182&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** A study is reported of the cure kinetics of an epoxy/polyamide system using the dynamic torsional vibration method, by measuring the change in mechanical properties (torque) during the cure. The experimental data were analysed by the non-equilibrium thermodynamic fluctuation theory and the Avrami method. Results from dynamic mechanical thermal analysis indicated that the fully cured specimens of epoxy resin/polyamide exist in the rubbery plateau state at the applied cure temperature, and that with increasing cure temperature, the equilibrium torque dropped, the gel time decreased and the cure reaction took less time to complete. After the gel point, the same curing mechanism occurred at various cure temperatures. Also investigated was the effect of increasing the hardener concentration on the rate of crosslinking at a given cure temperature. Excess polyamide was shown to increase the number of crosslinking points, and hence, enlarged the Avrami exponent. 18 refs. --- --- Source: https://polymerjournals.com/structure-and-crystallization-behaviour-of-polyepsilon-caprolactone-clay-intercalated-nanocomposites/ # STRUCTURE AND CRYSTALLIZATION BEHAVIOUR OF POLY(EPSILON-CAPROLACTONE)/CLAY INTERCALATED NANOCOMPOSITES > Title: STRUCTURE AND CRYSTALLIZATION BEHAVIOUR OF POLY(EPSILON-CAPROLACTONE)/CLAY INTERCALATED NANOCOMPOSITES Page Range: p.727-737 Author(s): Kiersnowski A; Kozak M; Jurga S; Piglowski J File size: 258K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/structure-and-crystallization-behaviour-of-polyepsilon-caprolactone-clay-intercalated-nanocomposites/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE AND CRYSTALLIZATION BEHAVIOUR OF POLY(EPSILON-CAPROLACTONE)/CLAY INTERCALATED NANOCOMPOSITES** Page Range: p.727-737 Author(s): Kiersnowski A; Kozak M; Jurga S; Piglowski J File size: 258K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100183&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** Nanocomposites of polyepsilon-caprolactone(PCL)/M-HTAB were obtained by the polymerisation of caprolactone with various amounts of montmorillonite organophilised with hexadecyltrimethylammonium bromide (HTAB). A study was made of the microstructure of the nanocomposites using small angle X-ray scattering (SAXS). The melting enthalpies, the crystallinities and the half-time of isothermal crystallisation were evaluated by differential scanning calorimetry. As a result of SAXS experiments for the composite PCL/M-HTAB 90/10 in the temperature range from 313 to 283 K, a rapid change in the interlamellar distance from 3.1 nm to 2.72 nm was observed. Similar scattering curves were obtained for the nanocomposite PCL/M-HTAB 70/30. In the composites containing 50% and 64% wt of M-HTAB, the decrease in interlayer distance was seen to be less pronounced in the same temperature range. Differential scanning calorimetry results are claimed to show clearly that the crystallisation is divided into two separate process: primary crystallisation in the PCL matrix, and secondary crystallisation. 20 refs. --- --- Source: https://polymerjournals.com/effects-of-surface-treatment-of-cobalt-oxide-particles-on-the-properties-of-polymethylphenylsiloxane-based-nanocomposites/ # EFFECTS OF SURFACE TREATMENT OF COBALT OXIDE PARTICLES ON THE PROPERTIES OF POLYMETHYLPHENYLSILOXANE BASED NANOCOMPOSITES > Title: EFFECTS OF SURFACE TREATMENT OF COBALT OXIDE PARTICLES ON THE PROPERTIES OF POLYMETHYLPHENYLSILOXANE BASED NANOCOMPOSITES Page Range: p.739-747 Author(s): Sun J T; Huang Y D; Cao H L; Gong G F File size: 168K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/effects-of-surface-treatment-of-cobalt-oxide-particles-on-the-properties-of-polymethylphenylsiloxane-based-nanocomposites/ Published: 2004-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF SURFACE TREATMENT OF COBALT OXIDE PARTICLES ON THE PROPERTIES OF POLYMETHYLPHENYLSILOXANE BASED NANOCOMPOSITES** Page Range: p.739-747 Author(s): Sun J T; Huang Y D; Cao H L; Gong G F File size: 168K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-8&JournalID=100184&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 8 **Abstract** The objective of this study was to prepare a cobalt oxide/polymethylphenylsiloxane (PMPS) nanocomposite with excellent thermal and endothermal properties. The cobalt oxide nanoparticles were subjected to a grafting treatment with polybutylmethacrylate (PBMA) and then incorporated into heat-resistant polymethylphenylsiloxane. The effects of their grafting treatment on the properties of the nanocomposites were investigated and reported. Results of investigations carried out with a dynamic wetting instruments, transmission electron microscopy, differential thermogravimetry and by a calibration test of the heat flow transducer indicated that PBMA had been grafted onto the surfaces of the cobalt oxide nanoparticles successfully, and that the grafting ratio had reached around 6.6%. Compared with pure PMPS resin, the thermal stability of the untreated cobalt oxide/PMPS composites decreased, but increased for treated cobalt oxide/PMPS composites. The calibration test of the heat flow transducer revealed that the nanocomposite with grafted cobalt oxide nanoparticles had much better endothermal properties than the one with untreated nanoparticles. 26 refs. --- --- Source: https://polymerjournals.com/influence-of-polyester-resin-properties-on-the-stress-corrosion-resistance-of-glass-fiber-reinforced-composites/ # INFLUENCE OF POLYESTER RESIN PROPERTIES ON THE STRESS CORROSION RESISTANCE OF GLASS FIBER REINFORCED COMPOSITES > Title: INFLUENCE OF POLYESTER RESIN PROPERTIES ON THE STRESS CORROSION RESISTANCE OF GLASS FIBER REINFORCED COMPOSITES Page Range: p.457-467 Author(s): Bogner B R; Pretzer W R File size: 192K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/influence-of-polyester-resin-properties-on-the-stress-corrosion-resistance-of-glass-fiber-reinforced-composites/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF POLYESTER RESIN PROPERTIES ON THE STRESS CORROSION RESISTANCE OF GLASS FIBER REINFORCED COMPOSITES** Page Range: p.457-467 Author(s): Bogner B R; Pretzer W R File size: 192K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100157&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** It is known that the long-term strength of a glass fibre composite can be significantly reduced when the composite is exposed to high stresses in the presence of water. Resin properties such as heat deflection temperature and tensile elongation are shown to affect composite lifetime under conditions of sustained stress at various temperatures in an aqueous environment. The measurement of time to failure of unidirectional glass fibre reinforced composite rods containing E-glass fibre strands and one of a series of isopolyester resins suggested a correlation between stress, time to failure, and the temperature differential between the resin heat deflection temperature and the exposure temperature. Such correlations were established, and it was found that time to failure decreased significantly at moderate relative stress as the temperature differential (HDT-exposure temperature) became less than 10 degrees C. 13 refs. --- --- Source: https://polymerjournals.com/buckling-and-ultimate-failure-of-thin-walled-pultruded-composite-columns/ # BUCKLING AND ULTIMATE FAILURE OF THIN-WALLED PULTRUDED COMPOSITE COLUMNS > Title: BUCKLING AND ULTIMATE FAILURE OF THIN-WALLED PULTRUDED COMPOSITE COLUMNS Page Range: p.469-481 Author(s): Hassan N K; Mosallam A S File size: 274K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12... Canonical URL: https://polymerjournals.com/buckling-and-ultimate-failure-of-thin-walled-pultruded-composite-columns/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BUCKLING AND ULTIMATE FAILURE OF THIN-WALLED PULTRUDED COMPOSITE COLUMNS** Page Range: p.469-481 Author(s): Hassan N K; Mosallam A S File size: 274K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100158&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** The results are presented of an investigation on the buckling behaviour of concentrically loaded thin-walled pultruded fibre reinforced polymer composite columns. Both open- and closed-web columns were evaluated. Finite element analysis and theoretical predictions are presented and correlated with experimental data. Good agreement was found between theoretical, analytical and experimental results. Also presented are guidelines for the determination of the bending stiffness and the critical buckling load for pultruded composite columns, and a discussion on the axial strength of unidirectional pultruded fibre reinforced polymer columns, together with the identification of different modes of failure. 18 refs. --- --- Source: https://polymerjournals.com/how-many-monomer-repeat-units-are-necessary-for-reliable-molecular-dynamics-simulation/ # HOW MANY MONOMER REPEAT UNITS ARE NECESSARY FOR RELIABLE MOLECULAR DYNAMICS SIMULATION? > Title: HOW MANY MONOMER REPEAT UNITS ARE NECESSARY FOR RELIABLE MOLECULAR DYNAMICS SIMULATION? Page Range: p.483-489 Author(s): Kwon Y W; Harrell A F File size: 94K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/how-many-monomer-repeat-units-are-necessary-for-reliable-molecular-dynamics-simulation/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HOW MANY MONOMER REPEAT UNITS ARE NECESSARY FOR RELIABLE MOLECULAR DYNAMICS SIMULATION?** Page Range: p.483-489 Author(s): Kwon Y W; Harrell A F File size: 94K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100159&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** A series of numerical tests was carried out in an attempt to answer the question of how many monomer repeat units are necessary in molecular dynamics simulation in order to obtain reliable i.e. repeatable solutions. Based on the numerical results, reliable solutions were found to require approximately ten thousand monomer repeat units at minimum, which was the sum of the monomer units in every polymer chain molecule. For a particle reinforced composite that consists of metallic atoms embedded in a polymer matrix, the minimum number of total monomer repeat units in the polymer matrix was found to be approximately five thousand for reliable solutions. 13 refs. --- --- Source: https://polymerjournals.com/recycling-of-glass-fibre-reinforced-phenolic-prepreg-waste-part-1-recovery-and-reuse-of-glass-fibres-in-pp-and-pa6/ # RECYCLING OF GLASS FIBRE REINFORCED PHENOLIC PREPREG WASTE PART 1. RECOVERY AND REUSE OF GLASS FIBRES IN PP AND PA6 > Title: RECYCLING OF GLASS FIBRE REINFORCED PHENOLIC PREPREG WASTE PART 1. RECOVERY AND REUSE OF GLASS FIBRES IN PP AND PA6 Page Range: p.491-500 Author(s): Groening M; Hakkarainen M; Albertsson A File size: 224K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/recycling-of-glass-fibre-reinforced-phenolic-prepreg-waste-part-1-recovery-and-reuse-of-glass-fibres-in-pp-and-pa6/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RECYCLING OF GLASS FIBRE REINFORCED PHENOLIC PREPREG WASTE PART 1. RECOVERY AND REUSE OF GLASS FIBRES IN PP AND PA6** Page Range: p.491-500 Author(s): Groening M; Hakkarainen M; Albertsson A File size: 224K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100160&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** This study confirms that glass fibres can be recovered from phenolic prepreg scrap and reused as reinforcing filler in polypropylene and nylon-6. The untreated glass fibres showed good compatibility with nylon-6, but poor compatibility with PP. Surface treatment of the recovered glass fibres using gamma-aminopropyltriethoxysilane was shown to improve this in both cases and to significantly increase the composite tensile strengths. 29 refs. --- --- Source: https://polymerjournals.com/recycling-of-glass-fibre-reinforced-phenolic-prepreg-waste-part-2-milled-prepreg-as-functional-filler-in-pp-and-pa/ # RECYCLING OF GLASS-FIBRE REINFORCED PHENOLIC PREPREG WASTE. PART 2. MILLED PREPREG AS FUNCTIONAL FILLER IN PP AND PA > Title: RECYCLING OF GLASS-FIBRE REINFORCED PHENOLIC PREPREG WASTE. PART 2. MILLED PREPREG AS FUNCTIONAL FILLER IN PP AND PA Page Range: p.501-509 Author(s): Groening M; Hakkarainen M; Albertsson A File size: 155K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/recycling-of-glass-fibre-reinforced-phenolic-prepreg-waste-part-2-milled-prepreg-as-functional-filler-in-pp-and-pa/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RECYCLING OF GLASS-FIBRE REINFORCED PHENOLIC PREPREG WASTE. PART 2. MILLED PREPREG AS FUNCTIONAL FILLER IN PP AND PA** Page Range: p.501-509 Author(s): Groening M; Hakkarainen M; Albertsson A File size: 155K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100161&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** The aim of this study was to find a feasible technique for the re-use of phenolic prepreg waste as a functional filler in PP and nylon-6, using standard processing equipment. In particular, the study aims to evaluate the possibility of re-using milled prepreg as filler in nylon-6, which has not been reported in the literature, it is claimed. The compatibility between phenolic prepreg and nylon-6 or PP was investigated using scanning electron microscopy of fractured surfaces. The effects of surface treatment using gamma-aminopropyltriethoxysilane, and compatibilisation using maleic anhydride functionalised PP on the composite's mechanical properties were investigated. 30 refs. --- --- Source: https://polymerjournals.com/stabilisation-of-3d-preforms-with-thermoplastic-monofilament-for-advanced-composite-manufacture/ # STABILISATION OF 3D PREFORMS WITH THERMOPLASTIC MONOFILAMENT FOR ADVANCED COMPOSITE MANUFACTURE > Title: STABILISATION OF 3D PREFORMS WITH THERMOPLASTIC MONOFILAMENT FOR ADVANCED COMPOSITE MANUFACTURE Page Range: p.511-517 Author(s): Rogers P P J; McIlhagger A T; McIhagger R; Quinn J File size: 201K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/stabilisation-of-3d-preforms-with-thermoplastic-monofilament-for-advanced-composite-manufacture/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STABILISATION OF 3D PREFORMS WITH THERMOPLASTIC MONOFILAMENT FOR ADVANCED COMPOSITE MANUFACTURE** Page Range: p.511-517 Author(s): Rogers P P J; McIlhagger A T; McIhagger R; Quinn J File size: 201K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100162&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** This paper describes work carried out on three-dimensional woven preforms constructed for use in resin transfer moulding. Preforms were produced incorporating a thermoplastic monofilament within the architecture. A polyethylene monofilament was used as the thermoplastic consolidating medium. Testing showed that a significantly greater force was required to pull out a carbon fibre yarn from the dry preform in samples that contained the consolidated thermoplastic. It therefore concluded that the stability and handleability of near net-shape preforms would be improved by the inclusion of a consolidated thermoplastic yarn near the edges as it would minimise plastic deformation and fibre displacement. Impregnation of modified preforms was undertaken by resin transfer moulding in order to assess the mechanical properties, and the properties of composites made from the modified preforms were shown to be comparable with those of a conventional composite. 14 refs. --- --- Source: https://polymerjournals.com/interacting-blends-of-novel-unsaturated-polyester-amide-resin-with-methyl-methacrylate/ # INTERACTING BLENDS OF NOVEL UNSATURATED POLYESTER AMIDE RESIN WITH METHYL METHACRYLATE > Title: INTERACTING BLENDS OF NOVEL UNSATURATED POLYESTER AMIDE RESIN WITH METHYL METHACRYLATE Page Range: p.519-524 Author(s): Patel H S; Panchal K K File size: 173K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/interacting-blends-of-novel-unsaturated-polyester-amide-resin-with-methyl-methacrylate/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERACTING BLENDS OF NOVEL UNSATURATED POLYESTER AMIDE RESIN WITH METHYL METHACRYLATE** Page Range: p.519-524 Author(s): Patel H S; Panchal K K File size: 173K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100163&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** Blending of hydrophilic polyamide and hydrophobic polyesters can produce products which could find a variety of applications. The introduction of unsaturation, amide and ester groups into one polymer chain may afford polymers which have a crosslinking capability with vinyl monomers. The authors have reported novel unsaturated poly(ester-amide) resins, synthesised by using epoxy resins, and this particular study investigates the interacting blends of unsaturated poly(ester-amide) with the vinyl monomers, and describes the interacting blends of unsaturated poly(ester-amide) with methyl methacrylate. The chemical, mechanical and electrical properties of the glass fibre composites based on unsaturated polyesteramide- MMA resin blend were evaluated. 15 refs. --- --- Source: https://polymerjournals.com/effect-of-gamma-irradiation-on-the-properties-of-rubber-based-conductive-blend-composites/ # EFFECT OF GAMMA-IRRADIATION ON THE PROPERTIES OF RUBBER-BASED CONDUCTIVE BLEND COMPOSITES > Title: EFFECT OF GAMMA-IRRADIATION ON THE PROPERTIES OF RUBBER-BASED CONDUCTIVE BLEND COMPOSITES Page Range: p.525-534 Author(s): Madani M File size: 125K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No:... Canonical URL: https://polymerjournals.com/effect-of-gamma-irradiation-on-the-properties-of-rubber-based-conductive-blend-composites/ Published: 2004-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF GAMMA-IRRADIATION ON THE PROPERTIES OF RUBBER-BASED CONDUCTIVE BLEND COMPOSITES** Page Range: p.525-534 Author(s): Madani M File size: 125K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-6&JournalID=100164&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 6 **Abstract** In order to improve the heat and ozone resistance of butyl rubber, it is blended with EPDM, and fillers are incorporated to improve the physicochemical properties. The influence of gamma irradiation on the electrical, swelling and mechanical properties of crosslinked butyl rubber and EPDM, and their blends is investigated. Results of tests showed that the modulus increased while the elongation at break decreased with irradiation. The gap-width between carbon-carbon particles was found to be highly affected by the irradiation dose, which in turn influenced the electrical conductivity of these blends. The swelling equilibrium data in different solvents were analysed by the Flory-Rehner equation to obtain estimates of the average molecular weight and crosslink density. 27 refs. --- --- Source: https://polymerjournals.com/nanoscale-boehmite-filler-for-corrosion-and-wear-resistant-polyphenylenesulfide-coatings/ # NANOSCALE BOEHMITE FILLER FOR CORROSION- AND WEAR-RESISTANT POLYPHENYLENESULFIDE COATINGS > Title: NANOSCALE BOEHMITE FILLER FOR CORROSION- AND WEAR-RESISTANT POLYPHENYLENESULFIDE COATINGS Page Range: p.153-167 Author(s): Sugama T; Gawlik K File size: 367K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No:... Canonical URL: https://polymerjournals.com/nanoscale-boehmite-filler-for-corrosion-and-wear-resistant-polyphenylenesulfide-coatings/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NANOSCALE BOEHMITE FILLER FOR CORROSION- AND WEAR-RESISTANT POLYPHENYLENESULFIDE COATINGS** Page Range: p.153-167 Author(s): Sugama T; Gawlik K File size: 367K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100131&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** An evaluation is carried out into the use of nanoscale boehmite crystals for use as a filler in wear and corrosion resistant PPS metal coatings. Their use was found to reduce the rate of blasting wear and improve thermal stability. The wear rate of PPS surfaces was found to to reduce three-fold when 5 wt% boehmite was incorporated. During exposure for 15 days in a 300 degrees corrosive geothermal environment, the PPS was shown to undergo hydrothermal oxidation, leading to the substitution of sulphide linkages by sulphite linkages. Such molecular rearrangement, however, did not diminish the ability of the coating to protect mild steel against corrosion. The one reported concern is the tendency of boehmite to absorb brine, so that the addition of an excessive amount of boehmite was found to be detrimental to achieving maximum protection. 17 refs. --- --- Source: https://polymerjournals.com/durability-of-isophthalic-polyester-composites-used-in-civil-engineering-applications/ # DURABILITY OF ISOPHTHALIC POLYESTER COMPOSITES USED IN CIVIL ENGINEERING APPLICATIONS > Title: DURABILITY OF ISOPHTHALIC POLYESTER COMPOSITES USED IN CIVIL ENGINEERING APPLICATIONS Page Range: p.169-182 Author(s): Dagher H J; Iqbal A; Bogner B File size: 207K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/durability-of-isophthalic-polyester-composites-used-in-civil-engineering-applications/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DURABILITY OF ISOPHTHALIC POLYESTER COMPOSITES USED IN CIVIL ENGINEERING APPLICATIONS** Page Range: p.169-182 Author(s): Dagher H J; Iqbal A; Bogner B File size: 207K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100132&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** The objectives of this paper are to review the literature relating to the durability of isophthalic polyester composites for use in civil engineering applications, and to present comparative data on the durability of isophthalic polyester versus polyvinyl ester. Based on the review, the aim is to propose additional durability research work which needs to be carried out on isophthalic polyesters for specific civil end-use environments, particularly in conjunction with concrete and high alkaline environments. 26 refs. --- --- Source: https://polymerjournals.com/on-the-response-of-stitched-woven-s2-glass-epoxy-composites-to-high-strain-rate-compression-loading/ # ON THE RESPONSE OF STITCHED WOVEN S2-GLASS/EPOXY COMPOSITES TO HIGH STRAIN RATE COMPRESSION LOADING > Title: ON THE RESPONSE OF STITCHED WOVEN S2-GLASS/EPOXY COMPOSITES TO HIGH STRAIN RATE COMPRESSION LOADING Page Range: p.183-196 Author(s): Hosur M V; Karim M R; Jeelani S File size: 269K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/on-the-response-of-stitched-woven-s2-glass-epoxy-composites-to-high-strain-rate-compression-loading/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ON THE RESPONSE OF STITCHED WOVEN S2-GLASS/EPOXY COMPOSITES TO HIGH STRAIN RATE COMPRESSION LOADING** Page Range: p.183-196 Author(s): Hosur M V; Karim M R; Jeelani S File size: 269K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100133&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** The results are discussed of experimental investigations, carried out to understand the response of stitched and unstitched S2-glass/SC epoxy composites to high strain rate compression loading, using a Split Hopkinson Pressure Bar set-up. Fifteen layers of plain weave S2-glass fabric were used to fabricate stitched and unstitched laminates with a low viscosity RTV SC-15 epoxy resin system. A 3-cord Kevlar thread was used for the stitching. Four different types of samples were considered, with sample configurations designated according to the location of the stitch line with reference to the loading direction. Dynamic and static responses of the laminate under compression were compared, and failure modes were studied using optical microscopy. Results showed that under higher strain rates loading, the stitched laminates exhibited a confining effect, and that overall, stitched laminates proved to provide increased damage resistance. 23 refs. --- --- Source: https://polymerjournals.com/comparison-between-cure-systems-for-epdm-montmorillonite-nanocomposites/ # COMPARISON BETWEEN CURE SYSTEMS FOR EPDM/MONTMORILLONITE NANOCOMPOSITES > Title: COMPARISON BETWEEN CURE SYSTEMS FOR EPDM/MONTMORILLONITE NANOCOMPOSITES Page Range: p.197-206 Author(s): Zheng H; Zhang Y; Peng Z; Zhang Y File size: 117K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12... Canonical URL: https://polymerjournals.com/comparison-between-cure-systems-for-epdm-montmorillonite-nanocomposites/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARISON BETWEEN CURE SYSTEMS FOR EPDM/MONTMORILLONITE NANOCOMPOSITES** Page Range: p.197-206 Author(s): Zheng H; Zhang Y; Peng Z; Zhang Y File size: 117K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100134&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** Assuming that different cure systems would result in different types of EPDM/organic montmorillonite, (OMM) nanocomposites, this work investigates the results of the use of sulphur and peroxide cure systems. The effects of the two cure systems on the morphology, mechanical and optical properties of the EPDM/OMM composites were investigated. In addition, the thermal properties of OMMT and the curing behaviour of the two cure systems were also investigated. 27 refs. --- --- Source: https://polymerjournals.com/structure-and-mechanical-properties-of-injection-moulded-cf-lcp-thin-plates/ # STRUCTURE AND MECHANICAL PROPERTIES OF INJECTION MOULDED CF/LCP THIN PLATES > Title: STRUCTURE AND MECHANICAL PROPERTIES OF INJECTION MOULDED CF/LCP THIN PLATES Page Range: p.207-220 Author(s): Baba F; Fujita A; Hon C; Nakai A; Hamada H File size: 459K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/structure-and-mechanical-properties-of-injection-moulded-cf-lcp-thin-plates/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE AND MECHANICAL PROPERTIES OF INJECTION MOULDED CF/LCP THIN PLATES** Page Range: p.207-220 Author(s): Baba F; Fujita A; Hon C; Nakai A; Hamada H File size: 459K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100135&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** This paper reports on a study of the effect of the injection speed on the structure and bending properties of liquid crystal polymer (LCP) injection moulded plates. The distribution of the modulus in injection moulded LCP and CF/LCP thin plates, made using two different injection speeds, was investigated by taking slices at 0.1 mm intervals. In addition, the modulus of the CF/LCP thin plate was estimated by the Cox formula and by laminate theory from values of the fibre orientation and modulus of each LCP layer. It was found that the differences in the bending properties and structures due to changes in injection speed were not remarkable. Differences in fracture behaviours with changes in the cutting position were caused by the differences in the modulus of each layer as in the laminated composite. It was confirmed that injection moulded CF/LCP could be treated in general as a laminated composite, and that the distribution of the modulus in injection moulded CF/LCP could be evaluated by the slicing technique. It was shown that by evaluating the fibre orientation and modulus of the sliced specimens, that fibre orientation contributed to the difference in the modulus near the surface when the injection speed changed. It was also verified that the prediction method suggested by the authors is valid to estimate the modulus of thin injection moulded CF/LCP plates. 12 refs. --- --- Source: https://polymerjournals.com/a-note-on-the-mechanical-characterization-of-non-homogeneous-and-graded-vulcanized-rubbers/ # A NOTE ON THE MECHANICAL CHARACTERIZATION OF NON-HOMOGENEOUS AND GRADED VULCANIZED RUBBERS > Title: A NOTE ON THE MECHANICAL CHARACTERIZATION OF NON-HOMOGENEOUS AND GRADED VULCANIZED RUBBERS Page Range: p.221-224 Author(s): Bilgili E File size: 50K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue... Canonical URL: https://polymerjournals.com/a-note-on-the-mechanical-characterization-of-non-homogeneous-and-graded-vulcanized-rubbers/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NOTE ON THE MECHANICAL CHARACTERIZATION OF NON-HOMOGENEOUS AND GRADED VULCANIZED RUBBERS** Page Range: p.221-224 Author(s): Bilgili E File size: 50K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100136&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** A theoretical analysis is made to demonstrate that the use of the standard mechanical tests is both inadequate and erroneous for the characterisation of non-homogeneous rubbers undergoing large deformations. Within the framework of non-homogeneous material models, this paper proves that boundary displacements and tractions alone are not sufficient to identify the mechanical properties of non-homogeneous rubbers, and suggests the full-field measurement of displacement-strain in deformed rubber specimens for an accurate characterisation. This is theoretically illustrated by analysing the deformation of a non-homogenous rubber slab in a standard shear test. 10 refs. --- --- Source: https://polymerjournals.com/combined-isotropic-kinematic-hardening-laws-with-anisotropic-back-stress-evolution-for-orthotropic-fiber-reinforced-composites/ # COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES > Title: COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES Page Range: p.225-233 Author(s): Lee M G; Chung K K; Youn J R; Kang T J File size: 231K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/combined-isotropic-kinematic-hardening-laws-with-anisotropic-back-stress-evolution-for-orthotropic-fiber-reinforced-composites/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMBINED ISOTROPIC-KINEMATIC HARDENING LAWS WITH ANISOTROPIC BACK-STRESS EVOLUTION FOR ORTHOTROPIC FIBER-REINFORCED COMPOSITES** Page Range: p.225-233 Author(s): Lee M G; Chung K K; Youn J R; Kang T J File size: 231K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100137&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** In order to develop the theory of plasticity for orthotropic fibre-reinforced composites, a new combined isotropic-kinematic hardening law with the anisotropic back-stress evolution, was developed under the elasto-plasticity scheme. To account of the anisotropic yield function, Hill's quadratic yield function was used. The stress update scheme based on the incremental deformation theory was also developed. Example solutions confirmed that the new constitutive equation well represented the Bauschinger and transient behaviours, as well as the directional dependence of the back-stress evolution for the highly anisotropic materials such as fibre-reinforced composites. 16 refs. --- --- Source: https://polymerjournals.com/a-zone-drawing-method-to-determine-optimum-initial-concentration-of-polyvinyl-alcohol-to-make-films-with-different-degrees-of-saponification/ # A ZONE DRAWING METHOD TO DETERMINE OPTIMUM INITIAL CONCENTRATION OF POLY(VINYL ALCOHOL) TO MAKE FILMS WITH DIFFERENT DEGREES OF SAPONIFICATION > Title: A ZONE DRAWING METHOD TO DETERMINE OPTIMUM INITIAL CONCENTRATION OF POLY(VINYL ALCOHOL) TO MAKE FILMS WITH DIFFERENT DEGREES OF SAPONIFICATION Page Range: p.235-242 Author(s): Joon Ho Kim; Won Sik Yoon; Jeong Hyun Yeum; Byung Chul Ji; Hee Sam Kim; Han-Yong Jeon;... Canonical URL: https://polymerjournals.com/a-zone-drawing-method-to-determine-optimum-initial-concentration-of-polyvinyl-alcohol-to-make-films-with-different-degrees-of-saponification/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A ZONE DRAWING METHOD TO DETERMINE OPTIMUM INITIAL CONCENTRATION OF POLY(VINYL ALCOHOL) TO MAKE FILMS WITH DIFFERENT DEGREES OF SAPONIFICATION** Page Range: p.235-242 Author(s): Joon Ho Kim; Won Sik Yoon; Jeong Hyun Yeum; Byung Chul Ji; Hee Sam Kim; Han-Yong Jeon; Won Seok Lyoo File size: 147K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100138&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** The optimum preparation conditions for atactic polyvinyl alcohol films were investigated by measuring the polymer concentration, draw ratio and degree of saponification. Atactic PVA films were prepared by casting in water with different polymer concentrations. The a-PVA films were zone-drawn under various conditions. Using the optimum polymer concentration of the a-PVA/water solutions caused significant changes in the draw ratio of the films, which were maximised at the initial polymer concentration, but which gradually decreased at higher or lower concentrations. The birefringence, degree of crystal orientation and tensile properties of a-PVA films, having the same draw ratios were the highest at these optimum polymer concentrations. Optimum concentrations were reconfirmed by viscometry. Optimum conditions of the film casting of atactic PVA with various degrees of saponification were established by the zone drawing method. The agreement between the optimum concentration values obtained by zone drawing and viscometry suggests that the zone drawing method is an appropriate and convenient way to establish the optimum concentration for maximum draw ration, birefringence, degree of crystal orientation, and tensile properties. 18 refs. --- --- Source: https://polymerjournals.com/influence-of-gamma-radiation-on-the-electrical-conductance-of-nr-iir-conductive-blend-during-swelling-in-kerosene/ # INFLUENCE OF GAMMA-RADIATION ON THE ELECTRICAL CONDUCTANCE OF NR/IIR CONDUCTIVE BLEND DURING SWELLING IN KEROSENE > Title: INFLUENCE OF GAMMA-RADIATION ON THE ELECTRICAL CONDUCTANCE OF NR/IIR CONDUCTIVE BLEND DURING SWELLING IN KEROSENE Page Range: p.243-254 Author(s): Madani M File size: 122K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/influence-of-gamma-radiation-on-the-electrical-conductance-of-nr-iir-conductive-blend-during-swelling-in-kerosene/ Published: 2004-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF GAMMA-RADIATION ON THE ELECTRICAL CONDUCTANCE OF NR/IIR CONDUCTIVE BLEND DURING SWELLING IN KEROSENE** Page Range: p.243-254 Author(s): Madani M File size: 122K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-3&JournalID=100139&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 3 **Abstract** A study is reported on the influence of gamma-irradiation on the electrical conductance of a natural rubber-butyl rubber blend, filled with differing concentrations of general purpose furnace carbon black, during swelling in kerosene. The degree of swelling and the penetration rate in kerosene for the blends are also studied as a function of the irradiation dose. An attempt was made to calculate the carbon-carbon interspacing distance and its dependence on solvent penetration rate for un-irradiated, as well as irradiated samples. It was concluded that the addition of carbon black by different concentration to the rubber blend caused a dramatic increase in its conductance value by several orders of magnitude, moreover, the percolation threshold is detected at 30 phr of GPF. The degree of swelling, as well as conductance values for all un-irradiated and irradiated composites were highly affected with swelling time up to a characteristic value, indicating a destruction of carbon black structure in the bulk of the rubber matrix. The electrical conductance and the penetration rate values decreased with irradiation according to the excitation of rubber molecules, chemical bond rupture and creation of free radicals which randomly recombine. The calculated interspacing gaps values for all composites showed an exponential growth function with time. 29 refs. --- --- Source: https://polymerjournals.com/tensile-properties-of-polymerization-filled-kevlar-pulp-polyethylene-composites/ # TENSILE PROPERTIES OF POLYMERIZATION-FILLED KEVLAR PULP/POLYETHYLENE COMPOSITES > Title: TENSILE PROPERTIES OF POLYMERIZATION-FILLED KEVLAR PULP/POLYETHYLENE COMPOSITES Page Range: p.1-15 Author(s): Zhang Y; Rodrigue D; Ait-Kadi A File size: 244K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No:... Canonical URL: https://polymerjournals.com/tensile-properties-of-polymerization-filled-kevlar-pulp-polyethylene-composites/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TENSILE PROPERTIES OF POLYMERIZATION-FILLED KEVLAR PULP/POLYETHYLENE COMPOSITES** Page Range: p.1-15 Author(s): Zhang Y; Rodrigue D; Ait-Kadi A File size: 244K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100117&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** Polymeric-filled composites and melt blended composites of Kevlar pulp/HDPE composites were prepared to compare their mechanical properties. It was found that breaking strains of polymerisation filled composites were higher than those for melt blended composites for a similar fibre concentration. Tensile data were then used to compare several models of short fibre polymer composites. Melt blended composites were found to have higher fibre aspect ratio than polymerisation filled composites due to the original treatment of the fibre with aqueous NaOH solution for polymerised-filled process. The higher breaking strain is attributed to factors such as better fibre dispersion and improved fibre-polymer interfacial adhesion. Results of calculations involving Berlin's model in combination with that of Rosen for critical aspect ratio were found to give reasonable prediction of tensile properties. In addition, it was concluded that fibre aspect ratio in composites is strongly related to the processing technique employed. 59 refs. --- --- Source: https://polymerjournals.com/effect-of-processing-on-ductility-and-strength-of-kevlar-polyethylene-composites/ # EFFECT OF PROCESSING ON DUCTILITY AND STRENGTH OF KEVLAR/POLYETHYLENE COMPOSITES > Title: EFFECT OF PROCESSING ON DUCTILITY AND STRENGTH OF KEVLAR/POLYETHYLENE COMPOSITES Page Range: p.17-27 Author(s): Zhang Y; R; Rodrigue D; Ait-Kadi A File size: 107K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/effect-of-processing-on-ductility-and-strength-of-kevlar-polyethylene-composites/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF PROCESSING ON DUCTILITY AND STRENGTH OF KEVLAR/POLYETHYLENE COMPOSITES** Page Range: p.17-27 Author(s): Zhang Y; R; Rodrigue D; Ait-Kadi A File size: 107K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100118&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** In this study of the effect of processing on the ductility and strength of Kevlar/PE composites, attention is given to ductility and tensile strength as a function of strain rate to compare composites prepared by melt blending and polymerisation filling. Improved ductility was obtained for polymerisation filled composites, as a result of better fibre-polymer interfacial adhesion, whilst ductility decreased upon increasing fibre content and strain rate. Several models for short fibre composites are compared in their prediction of tensile strength for these composites, to include the effect of critical fibre aspect ratio. Results show that the preparation technique has an effect on tensile strength of composites in relation with fibre distribution and interfacial adhesion. 37 refs. --- --- Source: https://polymerjournals.com/dynamically-cured-pp-epoxy-blends-compatibilised-with-mah-g-pp/ # DYNAMICALLY CURED PP/EPOXY BLENDS COMPATIBILISED WITH MAH-g-PP > Title: DYNAMICALLY CURED PP/EPOXY BLENDS COMPATIBILISED WITH MAH-g-PP Page Range: p.29-42 Author(s): Jiang X; Huang H; Zhang Y; Zhang Y File size: 195K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12... Canonical URL: https://polymerjournals.com/dynamically-cured-pp-epoxy-blends-compatibilised-with-mah-g-pp/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DYNAMICALLY CURED PP/EPOXY BLENDS COMPATIBILISED WITH MAH-g-PP** Page Range: p.29-42 Author(s): Jiang X; Huang H; Zhang Y; Zhang Y File size: 195K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100119&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** The dynamic vulcanisation process, usually used to prepare thermoplastic elastomers, was used to prepare PP/epoxy blends compatibilised with maleic anhydride-grafted PP. An investigation was undertaken into the influence of dynamic cure, MAH-g-PP content, curing agents, and epoxy equivalent weight on the mechanical properties of the blend. Dynamic mechanical thermal analysis results indicate that the compatibility between the PP and epoxy resin was improved by the addition of MAH-g-PP, and that the storage modulus increased with increasing epoxy resin content. Thermogravimetric analysis results indicate that the incorporation of epoxy resin into PP could improve the thermal stability of PP, and that the dynamically cured PP/MAH-g-PP/epoxy blends had better thermal stability than the PP/epoxy and PP/MAH-g-PP/epoxy blends. 42 refs. --- --- Source: https://polymerjournals.com/dual-cure-propargyl-novolac-epoxy-resins-synthesis-and-properties/ # DUAL-CURE PROPARGYL NOVOLAC-EPOXY RESINS: SYNTHESIS AND PROPERTIES > Title: DUAL-CURE PROPARGYL NOVOLAC-EPOXY RESINS: SYNTHESIS AND PROPERTIES Page Range: p.43-53 Author(s): Nair C P R; Vijayan D; Gouri C File size: 132K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12... Canonical URL: https://polymerjournals.com/dual-cure-propargyl-novolac-epoxy-resins-synthesis-and-properties/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DUAL-CURE PROPARGYL NOVOLAC-EPOXY RESINS: SYNTHESIS AND PROPERTIES** Page Range: p.43-53 Author(s): Nair C P R; Vijayan D; Gouri C File size: 132K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100120&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** Co-reaction of epoxy resin with a partially propargylated novolac resulted in a dual cure resin system with improved processability. The resin system showed moderately good adhesion strength, which was optimised for a phenol/epoxy equivalent ratio of 2:1. Good retention of properties was observed for the dual-cure system at 100 degrees C. Replacement of the novolac epoxy with diglycidyl ether of bisphenol-A resulted in enhanced adhesion. Co-curing with epoxy led to ease of processing without affecting the mechanical characteristics of the resultant glass composites. Minimisation of the epoxy content was needed in order to avoid sacrificing the thermal characteristics and Tg of the system. 17 refs. --- --- Source: https://polymerjournals.com/phosphazene-triazine-polymers-by-alder-ene-reaction/ # PHOSPHAZENE-TRIAZINE POLYMERS BY ALDER-ENE REACTION > Title: PHOSPHAZENE-TRIAZINE POLYMERS BY ALDER-ENE REACTION Page Range: p.55-62 Author(s): Nair C P R; Ninan K N File size: 110K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No.... Canonical URL: https://polymerjournals.com/phosphazene-triazine-polymers-by-alder-ene-reaction/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHOSPHAZENE-TRIAZINE POLYMERS BY ALDER-ENE REACTION** Page Range: p.55-62 Author(s): Nair C P R; Ninan K N File size: 110K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100121&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** With a view to developing a phosphazene-triazine cyclomatrix polymer with enhanced shelf life for the pre-polymer, the possibility is explored of using Alder-ene cure chemistry for the design of a novel thermoset. The protocol was to effect the cure of a mixture of allylphenoxy trazine and allyl phenoxy cyclotriphosphazenes using a bismaleimide. Tough thermoset polymer can be obtained by co-reaction of maleimide and allyl groups, where the maleimide reacts with allyl phenols through the Alder-ene reaction via an intermediate Wagner-Jauregg reaction. This paper examines the physical, mechanical and thermal properties of the system, as functions of the reactant stoichiometry. It was found that the temperature of onset of thermal degradation and Tg of the cured polymers increased in proportion to the maleimide content. Phosphazine and triazine were found beneficial in reducing the rate of thermal erosion at high temperatures. The flame resistance and atomic oxygen resistance of the polymers are stated to be expected to be good and are currently under evaluation. 23 refs. --- --- Source: https://polymerjournals.com/structure-and-properties-of-biodegradable-polymers-rolling-effect-in-polybutylene-succinate-sheets/ # STRUCTURE AND PROPERTIES OF BIODEGRADABLE POLYMERS: ROLLING EFFECT IN POLY(BUTYLENE SUCCINATE) SHEETS > Title: STRUCTURE AND PROPERTIES OF BIODEGRADABLE POLYMERS: ROLLING EFFECT IN POLY(BUTYLENE SUCCINATE) SHEETS Page Range: p.63-73 Author(s): Vega-Baudrit J; Pereira R, Nakayama K; Masuda T; Cao A File size: 164K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/structure-and-properties-of-biodegradable-polymers-rolling-effect-in-polybutylene-succinate-sheets/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE AND PROPERTIES OF BIODEGRADABLE POLYMERS: ROLLING EFFECT IN POLY(BUTYLENE SUCCINATE) SHEETS** Page Range: p.63-73 Author(s): Vega-Baudrit J; Pereira R, Nakayama K; Masuda T; Cao A File size: 164K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100122&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** This study addresses the improvement of the properties of biodegradable aliphatic polyester films by altering the molecular chain orientation. The sheets are prepared by extrusion, and are studied under uniaxial drawing as a function of the draw condition. Changes in the molecular orientation of the films and their crystallinity as a result of stretching are investigated using differential scanning calorimetry, dynamic mechanical analysis, tensile testing, sonic modulus, X-ray diffraction, density, birefringence, and measurements of % haze. It was concluded that rolling can be used to improve and control the physical properties of extruded polybutylene succinate sheets. 8 refs. --- --- Source: https://polymerjournals.com/identifying-delamination-in-cross-ply-and-quasi-isotropic-beams-of-cfrp-by-a-standardized-electrical-resistance-method/ # IDENTIFYING DELAMINATION IN CROSS-PLY AND QUASI-ISOTROPIC BEAMS OF CFRP BY A STANDARDIZED ELECTRICAL RESISTANCE METHOD > Title: IDENTIFYING DELAMINATION IN CROSS-PLY AND QUASI-ISOTROPIC BEAMS OF CFRP BY A STANDARDIZED ELECTRICAL RESISTANCE METHOD Page Range: p.75-85 Author(s): Todoroki A; Tanaka Y; Shimamura Y File size: 156K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/identifying-delamination-in-cross-ply-and-quasi-isotropic-beams-of-cfrp-by-a-standardized-electrical-resistance-method/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IDENTIFYING DELAMINATION IN CROSS-PLY AND QUASI-ISOTROPIC BEAMS OF CFRP BY A STANDARDIZED ELECTRICAL RESISTANCE METHOD** Page Range: p.75-85 Author(s): Todoroki A; Tanaka Y; Shimamura Y File size: 156K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100123&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** This paper describes the use of an electrical resistance change method for the identification of damage in electrically conductive composites. The method involves the standardisation of measured electrical resistance changes in order to identify the delamination location more precisely. The method was applied to cross-ply and quasi-isotropic laminated beams, and the effectiveness of the method was confirmed experimentally. In addition, the effect of the stacking sequence was investigated experimentally. It is confirmed that, although the standardised electrical resistance changes of the two stacking sequences resembled each other when the delamination location and length were similar, response surfaces to estimate delamination location must be made individually to obtain reliable results. 21 refs. --- --- Source: https://polymerjournals.com/linear-temperature-programming-rheometers-for-the-cure-of-rubbers-effect-of-the-various-parameters/ # LINEAR TEMPERATURE PROGRAMMING RHEOMETERS FOR THE CURE OF RUBBERS. EFFECT OF THE VARIOUS PARAMETERS > Title: LINEAR TEMPERATURE PROGRAMMING RHEOMETERS FOR THE CURE OF RUBBERS. EFFECT OF THE VARIOUS PARAMETERS Page Range: p.87-98 Author(s): Rosca I D; Granger R; Vergnaud J M File size: 123K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/linear-temperature-programming-rheometers-for-the-cure-of-rubbers-effect-of-the-various-parameters/ Published: 2004-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: LINEAR TEMPERATURE PROGRAMMING RHEOMETERS FOR THE CURE OF RUBBERS. EFFECT OF THE VARIOUS PARAMETERS** Page Range: p.87-98 Author(s): Rosca I D; Granger R; Vergnaud J M File size: 123K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc12-1&JournalID=100124&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 12 Issue No: No. 1 **Abstract** Advantages are discussed of the use of rheometers in scanning mode in order to determine the kinetic parameters of the cure of rubbers. In this method, the heating rate is crucial. The rubber used in this study was EPDM, and the state of cure versus temperature curves obtained in scanning mode were calculated using a numerical model that takes into account the heat transfer by conduction through the rubber, the coefficient of heat transfer at the die-rubber interface, and the kinetics of the heat generated by the cure reaction. The kinetic parameters were determined mathematically from these state-of-cure versus temperature curves. The kinetic parameters calculated in these ways were found to be similar to those introduced by obtaining the state-of-cure versus temperatures curves using the numerical model. Whatever the heating rate, ranging from 2 to 10 K/min, and whatever the coefficient of heat transfer at the die-rubber interface which expresses the quality of the contact, satisfactory use of the moving die rheometer was demonstrated in scanning mode in order to determine the kinetics of the cure of rubbers, even when the enthalpy of cure is high. 22 refs. --- --- Source: https://polymerjournals.com/preform-technology-a-necessary-requirement-for-quality-controlled-lcm-processes/ # PREFORM TECHNOLOGY: A NECESSARY REQUIREMENT FOR QUALITY CONTROLLED LCM-PROCESSES > Title: PREFORM TECHNOLOGY: A NECESSARY REQUIREMENT FOR QUALITY CONTROLLED LCM-PROCESSES Page Range: p.605-622 Author(s): Mitschang P; Ogale A; Schlimbach J; Weyrauch F; Weimer C File size: 749K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/preform-technology-a-necessary-requirement-for-quality-controlled-lcm-processes/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREFORM TECHNOLOGY: A NECESSARY REQUIREMENT FOR QUALITY CONTROLLED LCM-PROCESSES** Page Range: p.605-622 Author(s): Mitschang P; Ogale A; Schlimbach J; Weyrauch F; Weimer C File size: 749K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100108&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** This article discusses the need to use preform techniques to produce qualified and manageable reinforcements as a requirement for further steps in the development of liquid composite moulding (LCM) processes. The definition and philosophy of the 'sew 'n' cut' technique based on tailored reinforcements shows an alternative to direct preform technologies. The importance of selecting adequate thread construction and properties, such as elastic behaviour in order to minimise the influence on ellipse generation and the in-plane properties of the reinforcement are examined. Based on such performs, the control of the LCM process is shown to be possible. Different concepts to realise a controlled injection are discussed,and the decision-tree-concept is described in detail and verified by controlling the race-tracking effect. A critical preforming effort is defined whereby a further increase in preforming activities will nullify the expected cost advantages. 59 refs. --- --- Source: https://polymerjournals.com/effects-of-styrene-evaporation-on-the-cure-kinetics-behaviour-of-a-vinylester-resin-system-suitable-for-composite-pultrusion/ # EFFECTS OF STYRENE EVAPORATION ON THE CURE KINETICS BEHAVIOUR OF A VINYLESTER RESIN SYSTEM SUITABLE FOR COMPOSITE PULTRUSION > Title: EFFECTS OF STYRENE EVAPORATION ON THE CURE KINETICS BEHAVIOUR OF A VINYLESTER RESIN SYSTEM SUITABLE FOR COMPOSITE PULTRUSION Page Range: p.623-632 Author(s): Samaras Z I; Partridge I K File size: 130K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effects-of-styrene-evaporation-on-the-cure-kinetics-behaviour-of-a-vinylester-resin-system-suitable-for-composite-pultrusion/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF STYRENE EVAPORATION ON THE CURE KINETICS BEHAVIOUR OF A VINYLESTER RESIN SYSTEM SUITABLE FOR COMPOSITE PULTRUSION** Page Range: p.623-632 Author(s): Samaras Z I; Partridge I K File size: 130K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100109&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** An experimental and modelling methodology is described, by which the effects of styrene evaporation on the cure kinetics and the conversion evolution in a vinylester resin is studied and quantified. Under the particular geometry and environmental conditions used in the experiments, styrene losses up to 6% of the initial styrene concentration per day are observed.. The complex curing reaction was modelled with empirical equations, and the overall curing mechanism was found to be unaffected by the styrene evaporation. The maximum reduction in the final Tg of a fully cured sample was found to be 3 degrees C, for styrene losses of over 25% of the original amount, and is therefore not considered to be of significant concern in the pultrusion process with this vinylester resin. The exothermicity of the reaction, however, was significantly affected by the reduction in styrene content. Practical solutions for preventing this are suggested. 22 refs. --- --- Source: https://polymerjournals.com/coupled-hygrothermal-cohesive-layer-constitutive-model-for-simulating-debond-growth/ # COUPLED HYGROTHERMAL COHESIVE-LAYER CONSTITUTIVE MODEL FOR SIMULATING DEBOND GROWTH > Title: COUPLED HYGROTHERMAL COHESIVE-LAYER CONSTITUTIVE MODEL FOR SIMULATING DEBOND GROWTH Page Range: p.633-648 Author(s): Roy S; Shiue F-W File size: 196K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No:... Canonical URL: https://polymerjournals.com/coupled-hygrothermal-cohesive-layer-constitutive-model-for-simulating-debond-growth/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COUPLED HYGROTHERMAL COHESIVE-LAYER CONSTITUTIVE MODEL FOR SIMULATING DEBOND GROWTH** Page Range: p.633-648 Author(s): Roy S; Shiue F-W File size: 196K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100110&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** In order to model the synergistic bond degradation mechanisms that may occur at the interface between a fibre-reinforced polymer and concrete, a two-dimensional cohesive layer constitutive model with a prescribed traction-separation law was constructed. It was formulated using the basic principles of continuum mechanics and thermodynamics, taking into account concentration-dependent and strain-dependent non-Fickian hygrothermal effects that are likely to occur within a cohesive layer. Implementation of the model in a test-bed finite element code was carried out and code verification was performed. Benchmark comparisons of finite element prediction of critical load with analytical results for a double cantilever beam specimen were shown to be in good agreement. Numerical simulation of a wedge-test involving debond growth caused by synergistic interaction between local stress and diffusing moisture was also presented to demonstrate the ability of the cohesive layer model to simulate environmental cracking. 13 refs. --- --- Source: https://polymerjournals.com/dipsersibility-of-macromolecular-polyols-as-co-stabilizer-in-polyvinyl-chloride-and-their-stabilization-effect-combined-with-synergetic-metal-soap/ # DIPSERSIBILITY OF MACROMOLECULAR POLYOLS AS CO-STABILIZER IN POLY(VINYL CHLORIDE) AND THEIR STABILIZATION EFFECT COMBINED WITH SYNERGETIC METAL SOAP > Title: DIPSERSIBILITY OF MACROMOLECULAR POLYOLS AS CO-STABILIZER IN POLY(VINYL CHLORIDE) AND THEIR STABILIZATION EFFECT COMBINED WITH SYNERGETIC METAL SOAP Page Range: p.649-662 Author(s): Ikeda H; Ishikawa M; Nakamura Y; Iida T File size: 200K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/dipsersibility-of-macromolecular-polyols-as-co-stabilizer-in-polyvinyl-chloride-and-their-stabilization-effect-combined-with-synergetic-metal-soap/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DIPSERSIBILITY OF MACROMOLECULAR POLYOLS AS CO-STABILIZER IN POLY(VINYL CHLORIDE) AND THEIR STABILIZATION EFFECT COMBINED WITH SYNERGETIC METAL SOAP** Page Range: p.649-662 Author(s): Ikeda H; Ishikawa M; Nakamura Y; Iida T File size: 200K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100111&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** An investigation is reported into the use of heat stabilisers for PVC in order to prevent discolouration on heating. The synergistic effect of polyvinyl alcohol (PVA) as co-stabiliser with a mixture of zinc and calcium stearates is discussed. When the PVA and PVC were pre-mixed in the powder state, the compound obtained showed a lower stabilisation effect on the discolouration of PVC, whereas when a PVA aqueous solution was prepared and the PVC powder was added to the PVA solution and dried, the resulting compound showed a superior stabilisation effect. The dispersed PVA domain size in the PVC sheets was measured quantitatively by image processing analysis, using the optical micrographs of the sheets. It was found that there was a good relationship between the dispersibility of PVA and its stabilisation effect. Thus, the co-stabilising effect of PVA increased with a decrease in the domain size. This was also confirmed by using different polyols as co-stabilisers. 11 refs. --- --- Source: https://polymerjournals.com/melt-viscoelasticity-of-polyamide-6-organoclay-nanocomposites/ # MELT VISCOELASTICITY OF POLYAMIDE 6 ORGANOCLAY NANOCOMPOSITES > Title: MELT VISCOELASTICITY OF POLYAMIDE 6 ORGANOCLAY NANOCOMPOSITES Page Range: p.663-668 Author(s): Karaman V M; Shumsky V F; Privalko E G; Privalko V P; Lehmann B; Friedrich K File size: 70K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/melt-viscoelasticity-of-polyamide-6-organoclay-nanocomposites/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MELT VISCOELASTICITY OF POLYAMIDE 6 ORGANOCLAY NANOCOMPOSITES** Page Range: p.663-668 Author(s): Karaman V M; Shumsky V F; Privalko E G; Privalko V P; Lehmann B; Friedrich K File size: 70K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100112&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** Thermoplastics reinforced with relatively small amounts of organoclay particles are particularly useful as engineering materials. However, their processability has been found to present some problems with respect to the extreme sensitivity of melt flow behaviour to the aspect ratio of clay nanoparticles and to the quality of their dispersion. In addition, viscoelastic studies of irradiation-grafted nano-inorganic particle-filled PP composites in the melt state, revealed the onset of a plastic yield phenomenon for a nanocomposite with the filler volume content as low as 4.68%. This study focuses on commercial nanocomposites of nylon-6 which were prepared by melt compounding with organoclay hybrids, and which were subsequently characterised by complex viscosities and relaxation time spectra derived from storage and shear loss modulus. Results were rationalised in terms of (P1)model considerations. At the lowest clay loading (2.5%), the Newtonian viscosity suggested a lower equilibrium elasticity modulus of an entangled melt, as if the organoclay particles had acted as specific 'diluents' for the initial entanglement network. At increased clay contents, this effect was taken over the growing importance of strong interactions at the nanoparticle/melt interface, leading to the formation of a fairly thick boundary interphase (BI) around the nanoparticles, and eventually, resulting in a build-up of an 'indefinite cluster' of clay nanoparticles coated with BI at the highest clay loading (7.5%). 17 refs. --- --- Source: https://polymerjournals.com/modelling-orthotropic-viscoelastic-behaviour-of-composite-laminates-using-a-coincident-element-method/ # MODELLING ORTHOTROPIC VISCOELASTIC BEHAVIOUR OF COMPOSITE LAMINATES USING A COINCIDENT ELEMENT METHOD > Title: MODELLING ORTHOTROPIC VISCOELASTIC BEHAVIOUR OF COMPOSITE LAMINATES USING A COINCIDENT ELEMENT METHOD Page Range: p.669-677 Author(s): Nallainathan L; Liu X L; Chiu W K; Jones R File size: 145K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/modelling-orthotropic-viscoelastic-behaviour-of-composite-laminates-using-a-coincident-element-method/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODELLING ORTHOTROPIC VISCOELASTIC BEHAVIOUR OF COMPOSITE LAMINATES USING A COINCIDENT ELEMENT METHOD** Page Range: p.669-677 Author(s): Nallainathan L; Liu X L; Chiu W K; Jones R File size: 145K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100113&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** This paper presents a finite element procedure for modelling the viscoelastic behaviour of orthotropic composites. The procedure uses a commercially available finite element package known as ABAQUS and requires no code development. Consequently, the procedure is claimed to be highly flexible and has the potential to be applied to a wide range of practical problems. ABAQUS is a general-purpose package for structural and non-structural analyses, but the orthotropic behaviour of laminated composites that can be modelled by ABAQUS is restricted to circumstances involving simple elasticity and plasticity, not viscoelasticity. However, it is known that the viscoelasticity in laminated polymer composites is significantly orthotropic, and so to overcome this limitation of the FEA package, a simple procedure is proposed and described, which is referred to as the Coincident Element Method (CEM). In this method, a composite method is modelled by using two shell elements which are superimposed onto each other in such a way that they are coincident, i.e., the two shell elements share the same nodes and deform together. Numerical examples are presented to illustrate the capacity and accuracy of the procedure. 9 refs. --- --- Source: https://polymerjournals.com/photophysics-and-applications-in-plastic-solar-cells-of-conjugated-polymer-fullerene-composites/ # PHOTOPHYSICS AND APPLICATIONS IN PLASTIC SOLAR CELLS OF CONJUGATED POLYMER/FULLERENE COMPOSITES > Title: PHOTOPHYSICS AND APPLICATIONS IN PLASTIC SOLAR CELLS OF CONJUGATED POLYMER/FULLERENE COMPOSITES Page Range: p.679-689 Author(s): Lin H; Huang H; Qingguo H; Bai F File size: 132K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/photophysics-and-applications-in-plastic-solar-cells-of-conjugated-polymer-fullerene-composites/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHOTOPHYSICS AND APPLICATIONS IN PLASTIC SOLAR CELLS OF CONJUGATED POLYMER/FULLERENE COMPOSITES** Page Range: p.679-689 Author(s): Lin H; Huang H; Qingguo H; Bai F File size: 132K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100114&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** Two types of conjugated polymer were synthesised for application in solar cells. One type was a linear conjugated alternating copolymer containing hole-transporting groups (e.g. triphenylamine and N-substituted carbazole) in the backbone, and the other was a PPV-based hyperbranched conjugated polymer. The composites of these polymers with fullerene were investigated, with particular reference to the photoinduced electron transfer and other related photophysical processes occurring in the composites. Strong fluorescence quenching of these conjugated polymers on mixing them with C60 in dilute solution. Anion radical species of C60 were observed in ESR measurements as a result of photoinduced charge separation. The quenching constants vary with different conjugated polymers, and thus provide a quantum measurement for the interaction between the donor and acceptor. An energy conversion efficiency of up to 1.1% is reported for solar cells manufactured from conjugated polymer/fullerene composites. 17 refs. --- --- Source: https://polymerjournals.com/intumescent-pp-blends/ # INTUMESCENT PP BLENDS > Title: INTUMESCENT PP BLENDS Page Range: p.691-702 Author(s): Almeras X; Le Bras M; Bourbigot S; Hornsby P; Marosi G; Anna P; Poutch F File size: 111K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/intumescent-pp-blends/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTUMESCENT PP BLENDS** Page Range: p.691-702 Author(s): Almeras X; Le Bras M; Bourbigot S; Hornsby P; Marosi G; Anna P; Poutch F File size: 111K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100115&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** This work reports research carried out to develop an intumescent blend for transport applications, which would provide good fire and mechanical performance, and which would comply with recent European directives on the recycling of end-of-life cars. The study shows that PP/APP/PA6 based intumescent blends in which EVA copolymers were used as compatibilisers, with the addition of talc, are able to provide acceptable mechanical properties without decreasing flame retardancy. 42 refs. --- --- Source: https://polymerjournals.com/heat-resistant-organic-matrices-quo-vadis-review/ # HEAT-RESISTANT ORGANIC MATRICES QUO VADIS? (REVIEW) > Title: HEAT-RESISTANT ORGANIC MATRICES QUO VADIS? (REVIEW) Page Range: p.703-728 Author(s): Romdhane H B; Sillion B; Grenier-Loustalot M F File size: 300K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue... Canonical URL: https://polymerjournals.com/heat-resistant-organic-matrices-quo-vadis-review/ Published: 2003-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HEAT-RESISTANT ORGANIC MATRICES QUO VADIS? (REVIEW)** Page Range: p.703-728 Author(s): Romdhane H B; Sillion B; Grenier-Loustalot M F File size: 300K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-8&JournalID=100116&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 8 **Abstract** A review is presented of the characteristics required for heat resistant composite matrices, with details of two possible approaches based on linear polymers and telechelic oligomers that can be crosslinked during use. Special attention is given to crosslinkable oligomers. The different structures studied are bismaleimides, bismaleimides modified by cyanates or epoxies, bisnadimides, acetylene and propargylic compounds. These are discussed in terms of chemistry (stability of oligomers, mode of polymerisation, ageing), and ductility. A discussion is presented of several little used solutions, i.e., semi-interpenetrated networks, molecular composites, polymerisable molecular assemblies, hyper-branched oligomers and liquid crystal monomers, etc., with reference to their future relevance. Despite the fact that technical solutions may be found for use of such materials up to 300 degrees C, the market is considered to be too small for these products to be further developed. 75 refs. --- --- Source: https://polymerjournals.com/self-sensing-of-damage-and-strain-in-carbon-fiber-polymer-matrix-structural-composites-by-electrical-resistance-measurement/ # SELF-SENSING OF DAMAGE AND STRAIN IN CARBON FIBER POLYMER-MATRIX STRUCTURAL COMPOSITES BY ELECTRICAL RESISTANCE MEASUREMENT > Title: SELF-SENSING OF DAMAGE AND STRAIN IN CARBON FIBER POLYMER-MATRIX STRUCTURAL COMPOSITES BY ELECTRICAL RESISTANCE MEASUREMENT Page Range: p.515-525 Author(s): Chung DDL; Wang S File size: 105K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/self-sensing-of-damage-and-strain-in-carbon-fiber-polymer-matrix-structural-composites-by-electrical-resistance-measurement/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SELF-SENSING OF DAMAGE AND STRAIN IN CARBON FIBER POLYMER-MATRIX STRUCTURAL COMPOSITES BY ELECTRICAL RESISTANCE MEASUREMENT** Page Range: p.515-525 Author(s): Chung DDL; Wang S File size: 105K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100099&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** The use of DC electrical resistance measurement for the self-sensing of strain and damage in continuous carbon fibre polymer-matrix structural composites is examined. Carbon fibres, being electrically conductive enable composites to exhibit electrical properties which depend on parameters such as strain and damage, thereby attaining the ability to sense themselves through electrical measurement. A consequence of self-sensing structural materials is reduced cost, enhanced durability, a larger sensing volume, and an absence of mechanical property degradation.. This paper provides a review of self-sensing behaviour, in addition to addressing the design of the electrical contacts, and providing a model for relating the electrical resistance to the type and amount of damage. 37 refs. --- --- Source: https://polymerjournals.com/high-strain-rate-compression-characterization-of-affordable-woven-carbon-epoxy-composites-under-off-axis-loading/ # HIGH STRAIN RATE COMPRESSION CHARACTERIZATION OF AFFORDABLE WOVEN CARBON/EPOXY COMPOSITES UNDER OFF-AXIS LOADING > Title: HIGH STRAIN RATE COMPRESSION CHARACTERIZATION OF AFFORDABLE WOVEN CARBON/EPOXY COMPOSITES UNDER OFF-AXIS LOADING Page Range: p.527-539 Author(s): Hosur M V; Alexander J; Vaidya U K; Jeelani S; Mayer A File size: 381K Download the pdf (subscribers only) Buy the pdf (non-subscribers)... Canonical URL: https://polymerjournals.com/high-strain-rate-compression-characterization-of-affordable-woven-carbon-epoxy-composites-under-off-axis-loading/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HIGH STRAIN RATE COMPRESSION CHARACTERIZATION OF AFFORDABLE WOVEN CARBON/EPOXY COMPOSITES UNDER OFF-AXIS LOADING** Page Range: p.527-539 Author(s): Hosur M V; Alexander J; Vaidya U K; Jeelani S; Mayer A File size: 381K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100100&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** An experimental study is described into the response of affordable plain weave carbon/epoxy composite laminates to high strain rate compression loading, using a modified Compression Split Hopkinson's Pressure Bar under off-axis loading. Laminates were manufactured using aerospace-grade woven fabrics using a vacuum-assisted resin infusion moulding technique. Samples were subsequently subjected to high strain rate compression loading and tested along 0 degrees, 15 degrees, 30 degrees and 45 degrees off-axes angles. Quasi-static tests were also conducted to compare results with the dynamic response. Failure modes were evaluated using optical micrographs, and results were analysed in terms of peak stress, strain at peak stress, failure modes and orientation. 17 refs. --- --- Source: https://polymerjournals.com/rheology-of-highly-filled-polypropylenes-prepared-with-surface-treated-fillers/ # RHEOLOGY OF HIGHLY FILLED POLYPROPYLENES PREPARED WITH SURFACE TREATED FILLERS > Title: RHEOLOGY OF HIGHLY FILLED POLYPROPYLENES PREPARED WITH SURFACE TREATED FILLERS Page Range: p.541-550 Author(s): Ren Z; Shanks R A; Rook T J File size: 121K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/rheology-of-highly-filled-polypropylenes-prepared-with-surface-treated-fillers/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGY OF HIGHLY FILLED POLYPROPYLENES PREPARED WITH SURFACE TREATED FILLERS** Page Range: p.541-550 Author(s): Ren Z; Shanks R A; Rook T J File size: 121K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100101&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** This study reports on the production of highly filled PP composites by the extrusion of polypropylenes with surface treated fillers. The aim of the investigation was to include the highest proportion of filler in order to provide hardness and high density, without undue brittleness. It was shown that the viscoelastic behaviour of melt flow of highly filled polypropylene composites significantly depended on certain properties of the fillers. These included aspect ratio, specific surface area and particle size. Fillers considered included talc, calcium carbonate and barium sulphate. Traditional surface modifiers such as stearic acid were found to be useful, but titanates, and in particular, small amounts of silicones were shown to provide the greatest rheological modification. 25 refs. --- --- Source: https://polymerjournals.com/dual-cure-phenol-epoxy-resins-characterisation-and-properties-short-article/ # DUAL CURE PHENOL – EPOXY RESINS: CHARACTERISATION AND PROPERTIES (short article) > Title: DUAL CURE PHENOL - EPOXY RESINS: CHARACTERISATION AND PROPERTIES (short article) Page Range: p.551-558 Author(s): Devi K A; Nair C P R; Ninan K N File size: 92K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/dual-cure-phenol-epoxy-resins-characterisation-and-properties-short-article/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DUAL CURE PHENOL - EPOXY RESINS: CHARACTERISATION AND PROPERTIES (short article)** Page Range: p.551-558 Author(s): Devi K A; Nair C P R; Ninan K N File size: 92K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100102&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** Reactive blends of 2, 2'-diallyl bisphenol A (DABA) and a novolac epoxy resin (EPN) were investigated for their cure behaviour, and rheological, physical, mechanical and thermal properties. Cure characterization was carried out by differential scanning calorimetry and dynamic mechanical analysis. The system underwent dual curing via a sequential phenol-epoxy reaction and allyl polymerization. The former reaction was catalysed by triphenyl phosphine. Whereas the phenol-epoxy reaction was completed, the allyl polymerisation was limited to 40% by the regulation of cure conditions. It was shown that an increase in epoxy concentration in DABA-EPN blends led to an improvement in the tensile and flexural strengths of the neat castings. Flexural strength and interlaminar shear strength of the glass laminate showed an improvement with an increase in EPN concentration. Although the crosslink density of the neat casting was enhanced by epoxy concentration, this was not shown to result in any significant variations in the Tg of the cured matrix. The dual curing of the matrix system resulted in a considerable improvement, it is claimed, in the flexural properties of their glass composites. 15 refs. --- --- Source: https://polymerjournals.com/deformation-characteristics-of-nano-silicon-dioxide-filled-polypropylene-composites/ # DEFORMATION CHARACTERISTICS OF NANO-SILICON DIOXIDE FILLED POLYPROPYLENE COMPOSITES > Title: DEFORMATION CHARACTERISTICS OF NANO-SILICON DIOXIDE FILLED POLYPROPYLENE COMPOSITES Page Range: p.559-562 Author(s): Wu C L; Zhang M Q; Rong M Z; Lehmann B; Friedrich K File size: 118K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/deformation-characteristics-of-nano-silicon-dioxide-filled-polypropylene-composites/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEFORMATION CHARACTERISTICS OF NANO-SILICON DIOXIDE FILLED POLYPROPYLENE COMPOSITES** Page Range: p.559-562 Author(s): Wu C L; Zhang M Q; Rong M Z; Lehmann B; Friedrich K File size: 118K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100103&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** Polypropylene was compounded with nano-silica particles which had been subjected to surface modification via irradiation graft polymerization. Improvements were found in the mechanical properties of such nanocomposites with fairly low filler content. This work reports on the deformation characteristics of the PP nanocomposites using transmission electron microscopy. It was concluded that it was due to the interfacial entanglement between the grafting polymers attached to the nanoparticles and the matrix polymer, that the grafted nano-silicon dioxide showed much greater extensibility inn the composites than the nanoparticles as-received. This was believed to be the main cause of extensive plastic drawing of the matrix polymer surrounding the treated nanoparticles, and provided the composites with a higher static ductility. 10 refs. --- --- Source: https://polymerjournals.com/mechanism-of-void-formation-in-composite-processing-with-woven-fabrics/ # MECHANISM OF VOID FORMATION IN COMPOSITE PROCESSING WITH WOVEN FABRICS > Title: MECHANISM OF VOID FORMATION IN COMPOSITE PROCESSING WITH WOVEN FABRICS Page Range: p.563-572 Author(s): Lee G-W; Lee K-J File size: 348K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue... Canonical URL: https://polymerjournals.com/mechanism-of-void-formation-in-composite-processing-with-woven-fabrics/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANISM OF VOID FORMATION IN COMPOSITE PROCESSING WITH WOVEN FABRICS** Page Range: p.563-572 Author(s): Lee G-W; Lee K-J File size: 348K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100104&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** A mechanism for void formation is suggested, which involves an analysis of the resin flow through woven glass fabrics, at both the macro and micro levels. Both these types of flow arise from the characteristic structure of woven fabrics. In order to investigate the mechanism of void formation in woven fabrics, a new dimensionless number was defined as the ratio of the superficial velocity to the initial spreading rate. The prediction of void formation using this dimensionless number was shown to have a good correlation with the results from a cross sectional observation and void content measurement. It was confirmed that the mechanism suggested in this study is very useful and that the morphological structure of woven fabrics is conductive to void formation. 11 refs. --- --- Source: https://polymerjournals.com/synthesis-and-property-characterisation-of-pineapple-leaf-fiber-based-fiber-copolymers-via-grafting/ # SYNTHESIS AND PROPERTY CHARACTERISATION OF PINEAPPLE LEAF FIBER BASED FIBER COPOLYMERS VIA GRAFTING > Title: SYNTHESIS AND PROPERTY CHARACTERISATION OF PINEAPPLE LEAF FIBER BASED FIBER COPOLYMERS VIA GRAFTING Page Range: p.573-580 Author(s): Sahoo P K; Mohapatra R; Sahu G C; Dalei M File size: 183K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/synthesis-and-property-characterisation-of-pineapple-leaf-fiber-based-fiber-copolymers-via-grafting/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTY CHARACTERISATION OF PINEAPPLE LEAF FIBER BASED FIBER COPOLYMERS VIA GRAFTING** Page Range: p.573-580 Author(s): Sahoo P K; Mohapatra R; Sahu G C; Dalei M File size: 183K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100105&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** This work reports on the preparation of natural fibre copolymers by the grafting of hydrophobic monomer, methyl methacrylate onto chemically modified pineapple leaf fibre using a complex initiating system. The modified pineapple leaf fibre-g-PMMA copolymers so obtained were characterized by FTIR, their thermal behaviour by TGA, and their morphology by scanning electron microscopy. In addition, their tensile strength, elongation and tenacity were measured. The extent of water absorption by the grafted PALF, showed that the grafting of MMA imparts hydrophobicity onto PALFs. Biodegradation of the copolymers was evaluated in sludge water and soil and by using cultured microorganisms. 17 refs. --- --- Source: https://polymerjournals.com/properties-of-gf-reinforced-thermoplastics-in-beam-structure/ # PROPERTIES OF GF-REINFORCED THERMOPLASTICS IN BEAM STRUCTURE > Title: PROPERTIES OF GF-REINFORCED THERMOPLASTICS IN BEAM STRUCTURE Page Range: p.581-589 Author(s): Nomura M; Makita J; Hamada H File size: 358K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No:... Canonical URL: https://polymerjournals.com/properties-of-gf-reinforced-thermoplastics-in-beam-structure/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF GF-REINFORCED THERMOPLASTICS IN BEAM STRUCTURE** Page Range: p.581-589 Author(s): Nomura M; Makita J; Hamada H File size: 358K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100106&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** This study verifies that a structure in which glass fibres are apparently joined, namely, a beam structure, can be formed in the matrix resin by using the fact that the polymer resins with a high affinity for glass fibres, tend to migrate towards the glass fibre interface. Glass fibre content and glass fibre length are shown to be important factors influencing the formation of a beam structure. The larger the glass fibre content, and the greater the glass fibre length, the easier is the formation of the beam structure. It was verified that even if the resin content was so small as to form the dispersed phase in polymer blends, a continuous phase could still be formed by including glass fibres. By adding a small amount of resin having a higher heat resistance than the matrix resin, and having an affinity for glass fibres, fibres were successfully joined by selective migration of this small quantity of resin to the interface with the glass fibres. The beam structure material was found to have a HDT significantly higher than that of conventional glass fibre reinforced thermoplastic composites, and by applying this concept to glass fibre reinforced polystyrene, the HDT of GFPS improved from 100 - 110 degrees C to 200-250 degrees C. 15 refs. --- --- Source: https://polymerjournals.com/determinants-of-swelling-behaviour-of-methacrylamide-and-cellulosics-based-hydrogels/ # DETERMINANTS OF SWELLING BEHAVIOUR OF METHACRYLAMIDE AND CELLULOSICS BASED HYDROGELS > Title: DETERMINANTS OF SWELLING BEHAVIOUR OF METHACRYLAMIDE AND CELLULOSICS BASED HYDROGELS Page Range: p.591-601 Author(s): Chauhan G S; Bansal M; Mahajan S File size: 201K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/determinants-of-swelling-behaviour-of-methacrylamide-and-cellulosics-based-hydrogels/ Published: 2003-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DETERMINANTS OF SWELLING BEHAVIOUR OF METHACRYLAMIDE AND CELLULOSICS BASED HYDROGELS** Page Range: p.591-601 Author(s): Chauhan G S; Bansal M; Mahajan S File size: 201K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-7&JournalID=100107&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 7 **Abstract** The synthesis and swelling response of some novel hydrogels in different swelling media is studied. Hydroxypropylcellulose based networks with methacrylamide were synthesized in aqueous media in the presence of N,N-methylene bisacrylamide by simultaneous gamma radiation. The reaction conditions such as radiation dose, amount of water and concentrations of monomer and crosslinker were evaluated for optimum network yield. Using these conditions, networks of cellulose and its other derivatives were also synthesized with methacrylamide. Resultant networks are characterized for structural properties by elemental analysis, FTIR, and scanning electron micrography. The swelling behaviour of networks was studied as a function of the synthetic reaction conditions, the nature of polymeric backbones and the nature of the swelling medium. The equilibrium swelling is shown as a function of both structural and environmental factors, since hydrogels are sensitive to their environment. 10 refs. --- --- Source: https://polymerjournals.com/intermediate-velocity-impact-response-of-carbon-epoxy-composites-with-polycarbonate-facing/ # INTERMEDIATE VELOCITY IMPACT RESPONSE OF CARBON/EPOXY COMPOSITES WITH POLYCARBONATE FACING > Title: INTERMEDIATE VELOCITY IMPACT RESPONSE OF CARBON/EPOXY COMPOSITES WITH POLYCARBONATE FACING Page Range: p.421-432 Author(s): Vaidya U K; Ulven C A; Hosur M V; Alexander J; Liudahl L File size: 396K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/intermediate-velocity-impact-response-of-carbon-epoxy-composites-with-polycarbonate-facing/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERMEDIATE VELOCITY IMPACT RESPONSE OF CARBON/EPOXY COMPOSITES WITH POLYCARBONATE FACING** Page Range: p.421-432 Author(s): Vaidya U K; Ulven C A; Hosur M V; Alexander J; Liudahl L File size: 396K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100091&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** A study of the intermediate velocity impact of composites is presented with reference to the use of low-cost processing methods such as vacuum-assisted resin transfer moulding, (VARTM) in order to address the process-performance relationships to various loading threats. Carbon graphite fibre composites are susceptible to impact damage because of their poor impact resistance, and are the focus of the present work. An evaluation is reported of the intermediate velocity impact response of two commonly used structural carbon fabric laminates produced from plain and 2/2 twill woven fabrics, processed using VARTM. All carbon/epoxy laminates were covered with a polycarbonate facing in order to enhance impact resistance. The perforation mechanism, ballistic limit, and damage evolution of each laminate is discussed. 14 refs. --- --- Source: https://polymerjournals.com/manufacturing-and-evaluation-of-woodfibre-waste-plastic-composite-sheets/ # MANUFACTURING AND EVALUATION OF WOODFIBRE-WASTE PLASTIC COMPOSITE SHEETS > Title: MANUFACTURING AND EVALUATION OF WOODFIBRE-WASTE PLASTIC COMPOSITE SHEETS Page Range: p.433-440 Author(s): Bhattacharyya D; Jayaraman K File size: 267K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No.... Canonical URL: https://polymerjournals.com/manufacturing-and-evaluation-of-woodfibre-waste-plastic-composite-sheets/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MANUFACTURING AND EVALUATION OF WOODFIBRE-WASTE PLASTIC COMPOSITE SHEETS** Page Range: p.433-440 Author(s): Bhattacharyya D; Jayaraman K File size: 267K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100092&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** This study investigates the feasibility of post-consumer waste plastics from a kerbside collection, reinforced with high temperature mechanical pulp Pinus Radiata fibres. Composite specimens are manufactured in sheet form from relatively large fibre mats, produced by a novel mat forming technique through a bulk consolidation process. Tensile strength and modulus of the composite sheets are determined as a function of wood fibre content. A significant part of the investigation is dedicated to the understanding of the formability of these composite sheets using dome forming , aided by a specially developed software package based on kinematic principles, known as grid strain analysis. 22 refs. --- --- Source: https://polymerjournals.com/highly-filled-nano-cds-polystyrene-nanocomposite-film-with-self-organization-behaviour/ # HIGHLY FILLED NANO-CdS/POLYSTYRENE NANOCOMPOSITE FILM WITH SELF-ORGANIZATION BEHAVIOUR > Title: HIGHLY FILLED NANO-CdS/POLYSTYRENE NANOCOMPOSITE FILM WITH SELF-ORGANIZATION BEHAVIOUR Page Range: p.441-448 Author(s): Liang H C; Rong M Z; Zhang M Q; Zeng H M; Xiang H; Wang S F; Gong Q H File size: 159K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/highly-filled-nano-cds-polystyrene-nanocomposite-film-with-self-organization-behaviour/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HIGHLY FILLED NANO-CdS/POLYSTYRENE NANOCOMPOSITE FILM WITH SELF-ORGANIZATION BEHAVIOUR** Page Range: p.441-448 Author(s): Liang H C; Rong M Z; Zhang M Q; Zeng H M; Xiang H; Wang S F; Gong Q H File size: 159K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100093&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** This work describes the preparation of highly filled nanocomposite film with cadmium sulphide nanoparticles as the fillers and polystyrene as the matrix. Being self-organised in the matrix, the nano-CdS particles can be incorporated at a content as high as 20 wt. %. It was demonstrated that CdS nanoparticles can be self-organised in PS when a certain mercaptan is used to coat the particle surface. The performance of such composites is characterised by the study of their optical properties. --- --- Source: https://polymerjournals.com/a-study-of-the-crystallization-behaviour-of-dynamically-vulcanized-epdm-nylon-copolymer-blends/ # A STUDY OF THE CRYSTALLIZATION BEHAVIOUR OF DYNAMICALLY VULCANIZED EPDM/NYLON COPOLYMER BLENDS > Title: A STUDY OF THE CRYSTALLIZATION BEHAVIOUR OF DYNAMICALLY VULCANIZED EPDM/NYLON COPOLYMER BLENDS Page Range: p.449-464 Author(s): Liu X; Huang H; Zhang Y; Zhang Y File size: 188K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/a-study-of-the-crystallization-behaviour-of-dynamically-vulcanized-epdm-nylon-copolymer-blends/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A STUDY OF THE CRYSTALLIZATION BEHAVIOUR OF DYNAMICALLY VULCANIZED EPDM/NYLON COPOLYMER BLENDS** Page Range: p.449-464 Author(s): Liu X; Huang H; Zhang Y; Zhang Y File size: 188K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100094&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** This paper explores the effects of dynamic vulcanisation, rubber and compatibiliser on the crystallisation of nylon in thermoplastic elastomers based on EPDM/nylon copolymer blends. The crystallisation kinetics were studied under non-isothermal and isothermal conditions from the melt and differential scanning calorimetry was used to monitor the energetics of the crystallisation process. Relative crystallisation was shown to develop in accordance with the time dependence described by the Avrami equation. Experimental results indicate that the EPDM rubber is not the nucleating agent in those samples that were not dynamically vulcanised, and that the addition of chlorinated polyethylene has no effect on the crystallisation of nylon. However, in dynamically vulcanised samples, the EPDM rubber is a nucleating agent and the addition of chlorinated PE helps the EPDM to form fine and well-dispersed particles, and improve the crystallisation of nylon. 32 refs. --- --- Source: https://polymerjournals.com/prediction-of-permeability-tensor-for-plain-woven-fabric-by-using-control-volume-finite-element-method/ # PREDICTION OF PERMEABILITY TENSOR FOR PLAIN WOVEN FABRIC BY USING CONTROL VOLUME FINITE ELEMENT METHOD > Title: PREDICTION OF PERMEABILITY TENSOR FOR PLAIN WOVEN FABRIC BY USING CONTROL VOLUME FINITE ELEMENT METHOD Page Range: p.465-476 Author(s): Song Y S; Chung K; Kang T J; Youn J R File size: 211K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/prediction-of-permeability-tensor-for-plain-woven-fabric-by-using-control-volume-finite-element-method/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTION OF PERMEABILITY TENSOR FOR PLAIN WOVEN FABRIC BY USING CONTROL VOLUME FINITE ELEMENT METHOD** Page Range: p.465-476 Author(s): Song Y S; Chung K; Kang T J; Youn J R File size: 211K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100095&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** The efficiency of the resin transfer moulding process for the production of fibre-reinforced polymer composites, is dependent on the determination of the permeability of the preform. In this study, permeability at the microscopic level was computed for the square and hexagonal packing of the filaments inside each yarn by using control volume finite element method. Permeability for the three-dimensional macroscopic unit cell (which represents curved yarns in a plain woven fabric) was calculated by using the same numerical method without considering resin flow inside each yarn. By application of the proposed coupled flow model, which combines macroscopic permeability with microscopic permeability, the total permeability was determined for the plain woven fabric and compared with an experimental value. This study is claimed to have considered a more realistic unit cell representing the three-dimensional preform architecture, including tow crimp, spacing and stacking. It was observed that in-plane flow was more dominant than transverse flow within the woven preform, and the effect of the stacking order of a multi-layered preform, was negligible. 26 refs. --- --- Source: https://polymerjournals.com/sbs-carbon-black-compounds-give-asphalts-with-improved-high-temperature-storage-stability/ # SBS/CARBON BLACK COMPOUNDS GIVE ASPHALTS WITH IMPROVED HIGH-TEMPERATURE STORAGE STABILITY > Title: SBS/CARBON BLACK COMPOUNDS GIVE ASPHALTS WITH IMPROVED HIGH-TEMPERATURE STORAGE STABILITY Page Range: p.477-485 Author(s): Wang S; Zhang Y; Zhang Y File size: 238K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/sbs-carbon-black-compounds-give-asphalts-with-improved-high-temperature-storage-stability/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SBS/CARBON BLACK COMPOUNDS GIVE ASPHALTS WITH IMPROVED HIGH-TEMPERATURE STORAGE STABILITY** Page Range: p.477-485 Author(s): Wang S; Zhang Y; Zhang Y File size: 238K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100096&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** In order to produce modified asphalts with high temperature storage stability, carbon black was added to styrene-butadiene-styrene tri-block copolymers. The effect of carbon black on the high temperature storage properties, dynamic rheology, mechanical properties (softening point, viscosity, etc.) and the morphologies of the modified asphalts were studied. It was found that the ratio of SBS to carbon black in the compound had a great effect on the high-temperature storage behaviour, and that the modified compounds were stable when the ratio was around 2. The introduction of carbon black was shown to have almost no effect on the dynamic rheology or the mechanical properties of the modified. The improvement in high-temperature storage stability is attributed to a decrease in density difference and an improvement in the compatibility between SBS and the asphalt. 16 refs. --- --- Source: https://polymerjournals.com/rheological-behaviour-of-pp-pet-and-modified-pp-pet-blends-1-steady-state-flow-properties/ # RHEOLOGICAL BEHAVIOUR OF PP/PET AND MODIFIED PP/PET BLENDS. 1 STEADY STATE FLOW PROPERTIES > Title: RHEOLOGICAL BEHAVIOUR OF PP/PET AND MODIFIED PP/PET BLENDS. 1 STEADY STATE FLOW PROPERTIES Page Range: p.487-504 Author(s): Zdrazilova N; Hausnerova B; Kitano T; Saha P File size: 456K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/rheological-behaviour-of-pp-pet-and-modified-pp-pet-blends-1-steady-state-flow-properties/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGICAL BEHAVIOUR OF PP/PET AND MODIFIED PP/PET BLENDS. 1 STEADY STATE FLOW PROPERTIES** Page Range: p.487-504 Author(s): Zdrazilova N; Hausnerova B; Kitano T; Saha P File size: 456K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100097&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** This study aims to ascertain the effect of compatibilisation on the steady shear flow properties of PP and PETP blends using two approaches: the first involved the functionalisation of PP by the addition of maleic anhydride (in situ reactive blending), and the second, the use of already-modified PP which is commercially available in Japan. The rheological properties, morphology and thermal behaviour of the compatibilised blends were studied and compared with those of uncompatibilised ones, with special consideration given to the effect of different viscosity ratios of particular blends. The influence of the molten and unmolten state of one blend component (PETP), and the effect of blend composition on rheology, was also discussed. It is concluded that the blending of PP and PETP combined with the addition of a modifier, represents an appropriate recycling method for these waste materials. 39 refs. --- --- Source: https://polymerjournals.com/cylindrical-orthotropic-thermal-conductivity-of-spiral-woven-composites-part-1-modelling-of-a-spiral-woven-structure/ # CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART 1: MODELLING OF A SPIRAL WOVEN STRUCTURE > Title: CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART 1: MODELLING OF A SPIRAL WOVEN STRUCTURE Page Range: p.505-511 Author(s): Cheng C-C; Chiu C-H File size: 292K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/cylindrical-orthotropic-thermal-conductivity-of-spiral-woven-composites-part-1-modelling-of-a-spiral-woven-structure/ Published: 2003-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CYLINDRICAL ORTHOTROPIC THERMAL CONDUCTIVITY OF SPIRAL WOVEN COMPOSITES. PART 1: MODELLING OF A SPIRAL WOVEN STRUCTURE** Page Range: p.505-511 Author(s): Cheng C-C; Chiu C-H File size: 292K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-6&JournalID=100098&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 6 **Abstract** This is the first of a series of papers on the cylindrical orthotropic thermal conductivity of spiral woven composites. In this study, the geometric characteristics of spiral woven composites are modelled. A single layer of spiral woven fabric is considered as a fundamental structure, and used to develop representative models, including round disc and polygon ones. In these representative models, crimps, cross-sections, and radial and circumferential arrangements of yarns are illustrated by cosine and arc yarn shape functions. 28 refs. --- --- Source: https://polymerjournals.com/phenolic-resins-iv-thermal-degradation-of-crosslinked-resins-in-controlled-atmospheres/ # PHENOLIC RESINS (IV). THERMAL DEGRADATION OF CROSSLINKED RESINS IN CONTROLLED ATMOSPHERES > Title: PHENOLIC RESINS (IV). THERMAL DEGRADATION OF CROSSLINKED RESINS IN CONTROLLED ATMOSPHERES Page Range: p.345-357 Author(s): Bouajila J; Raffin G; Alamercery S; Waton H; Sanglar C; Grenier-Loustalot M F File size: 144K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/phenolic-resins-iv-thermal-degradation-of-crosslinked-resins-in-controlled-atmospheres/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHENOLIC RESINS (IV). THERMAL DEGRADATION OF CROSSLINKED RESINS IN CONTROLLED ATMOSPHERES** Page Range: p.345-357 Author(s): Bouajila J; Raffin G; Alamercery S; Waton H; Sanglar C; Grenier-Loustalot M F File size: 144K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100084&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** In order to determine the stability of crosslinked phenolic resins, their thermal degradation was studied in controlled atmospheres, both inert and oxidising. The structures of gaseous products released and of the degradation residues indicated that they depend on the degradation atmosphere, temperature, and the conditions in which the crosslinked resins were prepared. In the case of thermal degradation in an inert atmosphere, cyclic compounds and low molecular weight compounds were formed. In the case of degradation in an oxidising atmosphere, cyclic compounds are negligible, while large quantities of low molecular weight compounds are released. Formaldehyde is released in both atmospheres, with less released by resins prepared with cycle 2. The analysis of degradation residues is claimed to prove that such resins exhibit thermal stability up to 300 degrees C in an oxidising atmosphere, and up to 380 degrees C in an inert atmosphere. 20 refs. --- --- Source: https://polymerjournals.com/polye-caprolactone-composites-reinforced-with-short-abaca-fibres/ # POLY(E-CAPROLACTONE) COMPOSITES REINFORCED WITH SHORT ABACA FIBRES > Title: POLY(E-CAPROLACTONE) COMPOSITES REINFORCED WITH SHORT ABACA FIBRES Page Range: p.359-367 Author(s): Shibata M; Yosomiya R; Ohta N; Sakamoto A; Takeishi H File size: 263K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/polye-caprolactone-composites-reinforced-with-short-abaca-fibres/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLY(E-CAPROLACTONE) COMPOSITES REINFORCED WITH SHORT ABACA FIBRES** Page Range: p.359-367 Author(s): Shibata M; Yosomiya R; Ohta N; Sakamoto A; Takeishi H File size: 263K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100085&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** The tensile properties of poly-epsilon-caprolactone, (PCL) composites reinforced with short abaca fibres, prepared by melt mixing and subsequent injection moulding, were investigated and compared with PCL composites reinforced with glass fibres. The influence of fibre content and surface esterification of the natural fibre on the tensile properties was evaluated. The tensile strength and moduli of all the PCL/abaca composites was shown to increase with increasing fibre content, and all had a higher tensile strength than PCL/glass fibre composites when the fibre weight fraction was the same. The tensile strength of the PCL/abaca composites was improved by surface esterification of the fibre with acetic anhydride or butyric anhydride in the presence of pyridine. This was due, it is demonstrated by SEM photographs, to the increase in the interfacial adhesiveness between the matrix polyester and the esterificated fibre. 11 refs. --- --- Source: https://polymerjournals.com/effect-of-heat-treatment-on-the-tensile-strength-of-glass-fibre-reinforced-polypropylene/ # EFFECT OF HEAT TREATMENT ON THE TENSILE STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE > Title: EFFECT OF HEAT TREATMENT ON THE TENSILE STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE Page Range: p.369-381 Author(s): Lin J-S File size: 285K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11... Canonical URL: https://polymerjournals.com/effect-of-heat-treatment-on-the-tensile-strength-of-glass-fibre-reinforced-polypropylene/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF HEAT TREATMENT ON THE TENSILE STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE** Page Range: p.369-381 Author(s): Lin J-S File size: 285K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100086&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** Improvements in the interfacial adhesion of glass fibre reinforced polypropylene by heat treatment, was studied. Polypropylene was blended with glass fibres and injection moulded. The moulded parts were treated at various temperatures for various times, and characterisation of the mechanical properties of the resulting samples was performed including measurement of the critical fibre length, and by means of differential scanning calorimetry. Results show that the critical fibre length increases while the tensile strength decreased with increasing testing temperature. At 25 and 80 degrees C, heat treatment is shown to improve tensile strength, but that at or above 120 degrees C, certain treatment conditions cause the tensile strength to decrease significantly. 32 refs. --- --- Source: https://polymerjournals.com/nonlinear-viscoelasticity-of-fiber-filled-polypropylene-melts/ # NONLINEAR VISCOELASTICITY OF FIBER-FILLED POLYPROPYLENE MELTS > Title: NONLINEAR VISCOELASTICITY OF FIBER-FILLED POLYPROPYLENE MELTS Page Range: p.383-395 Author(s): Katsuhiko A; Takeshi K; Takahiro T; Anezka L; Petr S File size: 266K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/nonlinear-viscoelasticity-of-fiber-filled-polypropylene-melts/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NONLINEAR VISCOELASTICITY OF FIBER-FILLED POLYPROPYLENE MELTS** Page Range: p.383-395 Author(s): Katsuhiko A; Takeshi K; Takahiro T; Anezka L; Petr S File size: 266K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100087&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** This study reports on the results of a series of experiments conducted on general purpose polypropylene and its short carbon fibre filled systems. The steady-state shear flow and dynamic viscoelastic behaviour of these polymer systems were measured on a cone-plate type rheogoniometer to examine the effects of their fibre content, angular frequency and strain amplitude upon their dynamic viscoelastic properties. The dynamic viscoelasticity of carbon fibre/PP systems was analysed for non-linearity by expanding the stress waveform in the Fourier series. The analytical results were compared with those obtained from the Lissajous figures. Similarities and differences with carbon fibre reinforced liquid crystal polymers are also discussed. 25 refs. --- --- Source: https://polymerjournals.com/influence-of-silane-modification-of-kaolins-on-physico-mechanical-and-structural-properties-of-filled-pvc-composites/ # INFLUENCE OF SILANE MODIFICATION OF KAOLINS ON PHYSICO-MECHANICAL AND STRUCTURAL PROPERTIES OF FILLED PVC COMPOSITES > Title: INFLUENCE OF SILANE MODIFICATION OF KAOLINS ON PHYSICO-MECHANICAL AND STRUCTURAL PROPERTIES OF FILLED PVC COMPOSITES Page Range: p.397-406 Author(s): Domka L; Foltynowicz Z; Jurga S; Kozak M File size: 329K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/influence-of-silane-modification-of-kaolins-on-physico-mechanical-and-structural-properties-of-filled-pvc-composites/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF SILANE MODIFICATION OF KAOLINS ON PHYSICO-MECHANICAL AND STRUCTURAL PROPERTIES OF FILLED PVC COMPOSITES** Page Range: p.397-406 Author(s): Domka L; Foltynowicz Z; Jurga S; Kozak M File size: 329K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100088&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** Results are presented of a study of the potential of modified kaolin as a filler for PVC. Kaolin from Maria III deposits in Poland was used, and aminosilanes and mercaptosilanes were used to modify the surface. Basic physicochemical parameters such s the absorption capacity of the plasticiser, the heat of immersion in hydrophobic and hydrophilic solvents, and the morphology of particles of the modified filler were characterised. It was found that the modified kaolins improved the physicomechanical properties of PVC, and in particular its elongation when used at 10 and 15% w/w levels in the composite. The microstructure of the filled composites was also studied using small angle X-ray scattering, and scanning electron microscopy techniques. 21 refs. --- --- Source: https://polymerjournals.com/electrical-transport-properties-of-doped-polyp-phenylene/ # ELECTRICAL TRANSPORT PROPERTIES OF DOPED POLY(P-PHENYLENE) > Title: ELECTRICAL TRANSPORT PROPERTIES OF DOPED POLY(P-PHENYLENE) Page Range: p.407-414 Author(s): Campos M File size: 75K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 Abstract In this... Canonical URL: https://polymerjournals.com/electrical-transport-properties-of-doped-polyp-phenylene/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ELECTRICAL TRANSPORT PROPERTIES OF DOPED POLY(P-PHENYLENE)** Page Range: p.407-414 Author(s): Campos M File size: 75K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100089&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** In this work, the dc electrical conductivity of ferric chloride doped polyphenylene samples as a function of temperature is measured using a low electric field, and based on the results, the dc conduction mechanism is discussed in order to further clarify the carrier mechanism for charge transport. The temperature dependence is studied in terms of some hopping models. It is observed that the multiphonon-assisted hopping of charge carriers with a weak interaction with phonons is the dominant charge transport process in the entire temperature range. 54 refs. --- --- Source: https://polymerjournals.com/influence-of-physical-morphology-of-mineral-powder-on-the-reinforcing-effect-in-silicone-rubber/ # INFLUENCE OF PHYSICAL MORPHOLOGY OF MINERAL POWDER ON THE REINFORCING EFFECT IN SILICONE RUBBER > Title: INFLUENCE OF PHYSICAL MORPHOLOGY OF MINERAL POWDER ON THE REINFORCING EFFECT IN SILICONE RUBBER Page Range: p.415-417 Author(s): Wu J; Lin J; Lin S; Shen Z; Wei C File size: 46K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/influence-of-physical-morphology-of-mineral-powder-on-the-reinforcing-effect-in-silicone-rubber/ Published: 2003-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF PHYSICAL MORPHOLOGY OF MINERAL POWDER ON THE REINFORCING EFFECT IN SILICONE RUBBER** Page Range: p.415-417 Author(s): Wu J; Lin J; Lin S; Shen Z; Wei C File size: 46K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-5&JournalID=100090&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 5 **Abstract** The physical morphology and surface properties of a mineral filler is investigated with reference to the affect this has on the reinforcing effect when used in silicone rubber formulations. Results of tests are discussed which indicate that the size, area, shape and state of aggregation of the filler is influential in determining its reinforcing affect in silicone rubber. Fumed silica, precipitated silica and crystalline quartz were chosen in order to compare the influence of the crystalline state of the filler on its reinforcing effect. It was found that there was no direct connection between the crystalline state of the filler and the reinforcing effect, but that this did indirectly affect the reinforcing capability by changing the shape and thus surface energy of the filler. 8 refs. --- --- Source: https://polymerjournals.com/milled-carbon-microfiber-reinforced-polyphenylenesulfide-coatings-for-abating-corrosion-of-carbon-steel/ # MILLED CARBON MICROFIBER-REINFORCED POLY(PHENYLENESULFIDE) COATINGS FOR ABATING CORROSION OF CARBON STEEL > Title: MILLED CARBON MICROFIBER-REINFORCED POLY(PHENYLENESULFIDE) COATINGS FOR ABATING CORROSION OF CARBON STEEL Page Range: p.161-169 Author(s): Sugama T; Gawlik K File size: 109K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11... Canonical URL: https://polymerjournals.com/milled-carbon-microfiber-reinforced-polyphenylenesulfide-coatings-for-abating-corrosion-of-carbon-steel/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MILLED CARBON MICROFIBER-REINFORCED POLY(PHENYLENESULFIDE) COATINGS FOR ABATING CORROSION OF CARBON STEEL** Page Range: p.161-169 Author(s): Sugama T; Gawlik K File size: 109K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100069&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** Recent advances in milling technology have made it possible to produce an extremely short carbon microfibre which retains all of its mechanical properties and the filament's shape. Use of such a short fibre enables a substantial amount of it to be incorporated into a polyphenylene sulphide protective coating for use on steel. The emphasis of the current study is to assess the effectiveness of this milled carbon microfibre in enhancing further the thermal conductivity and the mechanical properties of the carbon fibre-reinforced PPS composite coating. Results of tests showed that the composite coatings were able to protect underlying carbon steel against corrosion in 250 degrees C carbon dioxide-laden brine. The reason for the hydrothermal stability is reported to be conformational changes in the molecular structure of the PPS, from sulphide bridging to sulphone bridging, which increased the thermal stability of the matrix. 9 refs. --- --- Source: https://polymerjournals.com/dielectric-properties-of-composites-of-multi-walled-carbon-nanotubes-in-a-resin-matrix/ # DIELECTRIC PROPERTIES OF COMPOSITES OF MULTI-WALLED CARBON NANOTUBES IN A RESIN MATRIX > Title: DIELECTRIC PROPERTIES OF COMPOSITES OF MULTI-WALLED CARBON NANOTUBES IN A RESIN MATRIX Page Range: p.171-178 Author(s): Allaoui A; Bai J B; Rieux N File size: 130K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/dielectric-properties-of-composites-of-multi-walled-carbon-nanotubes-in-a-resin-matrix/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DIELECTRIC PROPERTIES OF COMPOSITES OF MULTI-WALLED CARBON NANOTUBES IN A RESIN MATRIX** Page Range: p.171-178 Author(s): Allaoui A; Bai J B; Rieux N File size: 130K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100070&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** The dielectric properties of a multi-walled carbon nanotube (MWNT)/epoxy composite are studied by impedance spectroscopy. Results showed that the addition of a small amount of MWNT increases the permittivity of the resin by many orders of magnitude. The insulator-to-conductor transition, which occurred when a few wt% of MWNTs was added to the matrix, is said to be related to a percolation phenomenon with non-universal critical exponent. Two types of MWNTs treatment are compared, and the results are claimed to demonstrate that MWNTs should be used in as-prepared state. The treatment is shown to alter their morphology, and reduce the aspect ratio by a factor of 10, leading to a modification of the shape of the insulator-to-conductor transition curve and a decrease of the global improvement. 15 refs. --- --- Source: https://polymerjournals.com/polyamide-reinforced-epdm-compatibilized-with-maleic-anhydride-grafted-ethylene-propylene-diene-rubber/ # POLYAMIDE REINFORCED EPDM COMPATIBILIZED WITH MALEIC ANHYDRIDE GRAFTED ETHYLENE-PROPYLENE-DIENE RUBBER > Title: POLYAMIDE REINFORCED EPDM COMPATIBILIZED WITH MALEIC ANHYDRIDE GRAFTED ETHYLENE-PROPYLENE-DIENE RUBBER Page Range: p.179-188 Author(s): Liu X; Huang H; Zhang Y; Zhang Y File size: 128K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/polyamide-reinforced-epdm-compatibilized-with-maleic-anhydride-grafted-ethylene-propylene-diene-rubber/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYAMIDE REINFORCED EPDM COMPATIBILIZED WITH MALEIC ANHYDRIDE GRAFTED ETHYLENE-PROPYLENE-DIENE RUBBER** Page Range: p.179-188 Author(s): Liu X; Huang H; Zhang Y; Zhang Y File size: 128K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100071&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** Vulcanisates of blends of EPDM and polyamide copolymer were prepared by reactive compatibilisation using maleic anhydride grafted EPDM. The influence is investigated of compatibilisers, crosslinking agents, and blend composition on the mechanical properties. The morphologies of the blends were determined by scanning electron microscopy. It was found that the addition of MAH-g-EPDM reduced the particle size of the dispersed phase. The stability of the blend was measured by thermal ageing at high temperatures in the presence of the compatibiliser. Both dynamic mechanical thermal analysis and differential scanning calorimetry experiments were carried out to investigate the effect of MAH-g-EPDM addition on the Tgs of the blend components. It was demonstrated that the addition of amide copolymer caused significant improvement in the tensile properties of these blends. 15 refs. --- --- Source: https://polymerjournals.com/morphology-and-mechanical-behaviour-of-poly3-hydroxybutyrate-functionalized-ethylene-copolymer-blends/ # MORPHOLOGY AND MECHANICAL BEHAVIOUR OF POLY(3-HYDROXYBUTYRATE)/FUNCTIONALIZED ETHYLENE COPOLYMER BLENDS > Title: MORPHOLOGY AND MECHANICAL BEHAVIOUR OF POLY(3-HYDROXYBUTYRATE)/FUNCTIONALIZED ETHYLENE COPOLYMER BLENDS Page Range: p.189-196 Author(s): Dias M L; Giornes A M; Mendes L C File size: 92K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/morphology-and-mechanical-behaviour-of-poly3-hydroxybutyrate-functionalized-ethylene-copolymer-blends/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MORPHOLOGY AND MECHANICAL BEHAVIOUR OF POLY(3-HYDROXYBUTYRATE)/FUNCTIONALIZED ETHYLENE COPOLYMER BLENDS** Page Range: p.189-196 Author(s): Dias M L; Giornes A M; Mendes L C File size: 92K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100072&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** Tests were carried out to determine the morphology and mechanical properties of blends prepared from polyhydroxybutyrate and ionomers formed by copolymerisation of ethylene and methacrylic acid, either in the acid form, or partially neutralised with zinc and sodium. Results revealed that the type of processing and residence time of the components in the equipment, together with the ionomer content, had a great influence on the blend properties. An increase was observed in the molecular weight of polyhydroxybutyrate as the ionomer content increased in the blends, which is reported to indicate that exchange reactions occurred during the mixing process which took place using either an internal mixer or a twin screw extruder. The extent of these reactions and the residence time in the equipment led to variations in the mechanical properties, with the best elongation values obtained using the internal mixer and a higher ionomer content. 11 refs. --- --- Source: https://polymerjournals.com/synthesis-and-properties-of-amide-containing-bisnadimide-copper-foil-composites/ # SYNTHESIS AND PROPERTIES OF AMIDE-CONTAINING BISNADIMIDE COPPER FOIL COMPOSITES > Title: SYNTHESIS AND PROPERTIES OF AMIDE-CONTAINING BISNADIMIDE COPPER FOIL COMPOSITES Page Range: p.197-212 Author(s): Chou S; Lee K-S File size: 215K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No:... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-amide-containing-bisnadimide-copper-foil-composites/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTIES OF AMIDE-CONTAINING BISNADIMIDE COPPER FOIL COMPOSITES** Page Range: p.197-212 Author(s): Chou S; Lee K-S File size: 215K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100073&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** The need for increased heat resistance in printed circuit boards, has led to the development of modified polyimides for use in coating copper foils to form laminates. This work reports the introduction of the amide (-NHCO-) group in to the molecular chain to improve the flexibility and solubility of polyimides. Nadic anhydride was used to synthesise an end-capped low molecular weight polyamide-imide polymer. The amide-containing bisnadimide resin can be used as an adhesive in a hot press with the copper foil to form laminates. 13 refs. --- --- Source: https://polymerjournals.com/structure-property-relationships-for-polyimides-reinforced-with-the-sol-gel-derived-organosilicon-nanoparticles/ # STRUCTURE-PROPERTY RELATIONSHIPS FOR POLYIMIDES REINFORCED WITH THE SOL-GEL DERIVED ORGANOSILICON NANOPARTICLES > Title: STRUCTURE-PROPERTY RELATIONSHIPS FOR POLYIMIDES REINFORCED WITH THE SOL-GEL DERIVED ORGANOSILICON NANOPARTICLES Page Range: p.213-218 Author(s): Privalko V P; Shantalii T A; Karpova I L; Dragan K S; Privalko E G File size: 123K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/structure-property-relationships-for-polyimides-reinforced-with-the-sol-gel-derived-organosilicon-nanoparticles/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRUCTURE-PROPERTY RELATIONSHIPS FOR POLYIMIDES REINFORCED WITH THE SOL-GEL DERIVED ORGANOSILICON NANOPARTICLES** Page Range: p.213-218 Author(s): Privalko V P; Shantalii T A; Karpova I L; Dragan K S; Privalko E G File size: 123K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100074&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** This paper reports on an alternative approach to the preparation of polyimide-based polymer nanocomposites involving the in situ generation of crosslinked organosilicon nanoparticles through the sol-gel process. This approach is assumed both to ensure the homogeneous dispersion of sol-gel derived nanoparticles within a continuous polymer matrix, and to take advantage of the autocatalytic effect of acidic groups of a precursor (polyamic acid) in the polycondensation reaction. 13 refs. --- --- Source: https://polymerjournals.com/problems-and-pitfalls-in-the-evaluation-and-design-of-new-biocides-for-plastics-applications/ # PROBLEMS AND PITFALLS IN THE EVALUATION AND DESIGN OF NEW BIOCIDES FOR PLASTICS APPLICATIONS > Title: PROBLEMS AND PITFALLS IN THE EVALUATION AND DESIGN OF NEW BIOCIDES FOR PLASTICS APPLICATIONS Page Range: p.219-227 Author(s): Kneale C File size: 158K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/problems-and-pitfalls-in-the-evaluation-and-design-of-new-biocides-for-plastics-applications/ Published: 2003-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROBLEMS AND PITFALLS IN THE EVALUATION AND DESIGN OF NEW BIOCIDES FOR PLASTICS APPLICATIONS** Page Range: p.219-227 Author(s): Kneale C File size: 158K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-3&JournalID=100075&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 3 **Abstract** A discussion is presented of factors which need to be considered in the design and testing of a new biocide for plastics applications. In Europe, biocides are becoming more tightly regulated under the Biocidal Products Directive, which requires a significant data package for the registration of new actives and existing formulations. Once the issue of compatibility has been addressed, the antimicrobial efficiency has to be established. Prior to selection of a test method to demonstrate such efficacy, consideration is given to whether the substrate should be pre-conditioned to simulate end-use conditions, e.g., by artificial leaching or weathering. Advantages and disadvantages of traditional test methods are discussed, and an alternative method for the evaluation of biocidal performance is presented, which is claimed to be more representative of end-use conditions. --- --- Source: https://polymerjournals.com/a-novel-coupling-agent-technology/ # A NOVEL COUPLING AGENT TECHNOLOGY > Title: A NOVEL COUPLING AGENT TECHNOLOGY Page Range: p.71-79 Author(s): Scofield J D; Bloyce P E; Thetford D; Rothon R; Liauw M File size: 119K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/a-novel-coupling-agent-technology/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NOVEL COUPLING AGENT TECHNOLOGY** Page Range: p.71-79 Author(s): Scofield J D; Bloyce P E; Thetford D; Rothon R; Liauw M File size: 119K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100059&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** Results from the development of a novel coupling agent technology soon to be commercialised, are described. Potential coupling agents were studied including carboxylic acid or cyclic anhydride groups as the coupling agent-to-filler bonding group. On the grounds of cost effectiveness and safety and ease of handling, a particular low molecular weight oligomeric carboxylic acid, containing high reactivity double bond per molecule, was selected for further study. This materials is referred to as Solplus C800. Particular reference is given to the performance of the technology in ATH filed EVA systems, and to its benefits over existing coupling agent technologies. 5 refs. --- --- Source: https://polymerjournals.com/effect-of-testing-conditions-on-performance-and-durability-of-stabilisers-in-plastics/ # EFFECT OF TESTING CONDITIONS ON PERFORMANCE AND DURABILITY OF STABILISERS IN PLASTICS > Title: EFFECT OF TESTING CONDITIONS ON PERFORMANCE AND DURABILITY OF STABILISERS IN PLASTICS Page Range: p.81-90 Author(s): Pospisil J; Horak Z; Pilar J; Nespurek S; Billingham N C; Habicher W D File size: 87K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/effect-of-testing-conditions-on-performance-and-durability-of-stabilisers-in-plastics/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF TESTING CONDITIONS ON PERFORMANCE AND DURABILITY OF STABILISERS IN PLASTICS** Page Range: p.81-90 Author(s): Pospisil J; Horak Z; Pilar J; Nespurek S; Billingham N C; Habicher W D File size: 87K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100060&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** The understandable trend to increase the durability of stabilised materials requires the application of reproducible and reliable accelerated testing methods, which allow for the adjustment of additive formulations whilst matching the commercial requirements, and allowing lifetime predictions, it is argued. However, the harshness of the testing method affects the individual processes involved regarding their activation energies and mechanisms, the physical relations in the polymer-stabiliser system, and the chemical and physical processes accounting for the consumption of stabilisers. The principal factors affecting any comparison of accelerated results with natural testing are outlined. 30 refs. --- --- Source: https://polymerjournals.com/additives-with-dual-function-acrylate-ester-copolymers-as-modifiers-for-engineering-polymers-and-as-carrier-resin-for-masterbatches/ # ADDITIVES WITH DUAL FUNCTION – ACRYLATE ESTER COPOLYMERS AS MODIFIERS FOR ENGINEERING POLYMERS AND AS CARRIER RESIN FOR MASTERBATCHES > Title: ADDITIVES WITH DUAL FUNCTION - ACRYLATE ESTER COPOLYMERS AS MODIFIERS FOR ENGINEERING POLYMERS AND AS CARRIER RESIN FOR MASTERBATCHES Page Range: p.91-100 Author(s): Hausmann K; Chou R File size: 156K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/additives-with-dual-function-acrylate-ester-copolymers-as-modifiers-for-engineering-polymers-and-as-carrier-resin-for-masterbatches/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ADDITIVES WITH DUAL FUNCTION - ACRYLATE ESTER COPOLYMERS AS MODIFIERS FOR ENGINEERING POLYMERS AND AS CARRIER RESIN FOR MASTERBATCHES** Page Range: p.91-100 Author(s): Hausmann K; Chou R File size: 156K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100061&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** The use is described of a family of ethylene copolymers for use as polymeric modifiers in engineering plastics and with the dual function of carrier resins for masterbatches. The copolymers are characterised through a very heterogeneous molecular architecture and thus, an enhanced compatibility with other polymers and fillers, making them suitable for use as either compatibilisers or impact modifiers, and also, due to their high filler acceptance, as carrier resins. The copolymers, known as Elvaloy AC, can be produced with both a high comonomer content and a low melt flow index. They are copolymers of ethylene and acrylate esters, which are produced by a high pressure free radical polymerisation process using a tubular reactor. 4 refs. --- --- Source: https://polymerjournals.com/the-why-what-and-wherefore-of-antimicrobial-systems/ # THE WHY, WHAT AND WHEREFORE OF ANTIMICROBIAL SYSTEMS > Title: THE WHY, WHAT AND WHEREFORE OF ANTIMICROBIAL SYSTEMS Page Range: p.101-113 Author(s): Simmons J File size: 381K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 Abstract... Canonical URL: https://polymerjournals.com/the-why-what-and-wherefore-of-antimicrobial-systems/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THE WHY, WHAT AND WHEREFORE OF ANTIMICROBIAL SYSTEMS** Page Range: p.101-113 Author(s): Simmons J File size: 381K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100062&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** The use of antimicrobial systems in plastics products is discussed, with particular reference to the products from Wells Plastics. It is emphasised that it is important to choose the correct system to suit the product and its intended application, and that the efficacy of the antimicrobial system must be verified through appropriate antimicrobial testing. Antimicrobial test methods such as the halo and viable count methods are described. 12 refs. --- --- Source: https://polymerjournals.com/improvement-of-the-properties-of-polyethylene-with-chlorinated-polyethylene-cpe/ # IMPROVEMENT OF THE PROPERTIES OF POLYETHYLENE WITH CHLORINATED POLYETHYLENE (CPE) > Title: IMPROVEMENT OF THE PROPERTIES OF POLYETHYLENE WITH CHLORINATED POLYETHYLENE (CPE) Page Range: p.115-122 Author(s): Marossy K; Barczy P File size: 138K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue... Canonical URL: https://polymerjournals.com/improvement-of-the-properties-of-polyethylene-with-chlorinated-polyethylene-cpe/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPROVEMENT OF THE PROPERTIES OF POLYETHYLENE WITH CHLORINATED POLYETHYLENE (CPE)** Page Range: p.115-122 Author(s): Marossy K; Barczy P File size: 138K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100063&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** Blends of HDPE and chlorinated polyethylene (CPE) are tested across the whole concentration range to determine improvements in properties of thus modified polyethylene. Conventional mechanical tests and dynamic mechanical tests were carried out. The blends were found to be multiphase systems of excellent technological compatibility. Between 10-15% by weight CPE was found to increase the modulus of PE. The results of analysis by X-ray scattering showed that the blends contained structural units not present either in the polyethylene or in the CPE. In addition, the blends are melt processable. 7 refs. --- --- Source: https://polymerjournals.com/degradation-of-polyvinyl-chloride-with-different-additives-studies-by-micro-raman-spectroscopy/ # DEGRADATION OF POLY(VINYL CHLORIDE) WITH DIFFERENT ADDITIVES STUDIES BY MICRO RAMAN SPECTROSCOPY > Title: DEGRADATION OF POLY(VINYL CHLORIDE) WITH DIFFERENT ADDITIVES STUDIES BY MICRO RAMAN SPECTROSCOPY Page Range: p.123-132 Author(s): Gupper A; Wilhelm P Schiller M File size: 138K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/degradation-of-polyvinyl-chloride-with-different-additives-studies-by-micro-raman-spectroscopy/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DEGRADATION OF POLY(VINYL CHLORIDE) WITH DIFFERENT ADDITIVES STUDIES BY MICRO RAMAN SPECTROSCOPY** Page Range: p.123-132 Author(s): Gupper A; Wilhelm P Schiller M File size: 138K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100064&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** Raman spectroscopy was used to study the thermal degradation of PVC. Intensity enhancements of vibrations belonging to conjugated double bond sequences in the corresponding spectra allowed for the detection at the very first stage. In this initial period, the kinetics of degradation showed a linear increase in conjugated sequences. The influence of additives (calcium stearate, zinc stearate and zinc chloride) on the resistance of PVC to thermal stress was investigated by the same method, and results are compared with those for unstabilised PVC. A positive development in thermal behaviour was observed upon stabilisation, and predicted reaction mechanisms for single components were confirmed. 9 refs. --- --- Source: https://polymerjournals.com/excellent-flow-and-conveyance-behaviour-low-dust-emission-and-outstanding-properties-of-halogen-free-flame-retardant-compounds-realized-by-a-new-generation-of-aluminium-tri-hydrate/ # EXCELLENT FLOW- AND CONVEYANCE- BEHAVIOUR, LOW DUST EMISSION AND OUTSTANDING PROPERTIES OF HALOGEN FREE FLAME RETARDANT COMPOUNDS REALIZED BY A NEW GENERATION OF ALUMINIUM-TRI-HYDRATE > Title: EXCELLENT FLOW- AND CONVEYANCE- BEHAVIOUR, LOW DUST EMISSION AND OUTSTANDING PROPERTIES OF HALOGEN FREE FLAME RETARDANT COMPOUNDS REALIZED BY A NEW GENERATION OF ALUMINIUM-TRI-HYDRATE Page Range: p.133-140 Author(s): Sauerwein R File size: 1204K Download the pdf (subscribers only) Buy the pdf... Canonical URL: https://polymerjournals.com/excellent-flow-and-conveyance-behaviour-low-dust-emission-and-outstanding-properties-of-halogen-free-flame-retardant-compounds-realized-by-a-new-generation-of-aluminium-tri-hydrate/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EXCELLENT FLOW- AND CONVEYANCE- BEHAVIOUR, LOW DUST EMISSION AND OUTSTANDING PROPERTIES OF HALOGEN FREE FLAME RETARDANT COMPOUNDS REALIZED BY A NEW GENERATION OF ALUMINIUM-TRI-HYDRATE** Page Range: p.133-140 Author(s): Sauerwein R File size: 1204K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100065&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** This paper presents a new generation of non-post treated fine precipitated aluminium trihydrate (ATH), which is claimed to offer excellent powder processing and also outstanding compound properties in its use as a flame retardant additive. Details are given of the performance of Apyral 40CD in wire and cable applications, and in the compounding industry, where large productivity benefits can be realised, it is demonstrated. --- --- Source: https://polymerjournals.com/blown-films-from-linear-low-density-polyethylene-incorporating-biodegradable-additive/ # BLOWN FILMS FROM LINEAR LOW DENSITY POLYETHYLENE INCORPORATING BIODEGRADABLE ADDITIVE > Title: BLOWN FILMS FROM LINEAR LOW DENSITY POLYETHYLENE INCORPORATING BIODEGRADABLE ADDITIVE Page Range: p.141-144 Author(s): Kale N; Jani K; Awate S; Rangaprasad R; Vasudeo Y File size: 55K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/blown-films-from-linear-low-density-polyethylene-incorporating-biodegradable-additive/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: BLOWN FILMS FROM LINEAR LOW DENSITY POLYETHYLENE INCORPORATING BIODEGRADABLE ADDITIVE** Page Range: p.141-144 Author(s): Kale N; Jani K; Awate S; Rangaprasad R; Vasudeo Y File size: 55K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100066&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** Results are discussed of the use of a biodegradable additive in blown LLDPE films. The degradation additive/promoter, based on a complex mixture of natural polymers and catalysts, was converted into a 50% masterbatch in LLDPE at different levels, and the properties of the blown films derived therefrom were investigated. The films were subjected to real time degradation tests using natural soil and under vermicompost conditions. --- --- Source: https://polymerjournals.com/a-novel-additive-concept-for-the-stabilisation-of-abs/ # A NOVEL ADDITIVE CONCEPT FOR THE STABILISATION OF ABS > Title: A NOVEL ADDITIVE CONCEPT FOR THE STABILISATION OF ABS Page Range: p.145-152 Author(s): Wegmann A File size: 217K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2... Canonical URL: https://polymerjournals.com/a-novel-additive-concept-for-the-stabilisation-of-abs/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: A NOVEL ADDITIVE CONCEPT FOR THE STABILISATION OF ABS** Page Range: p.145-152 Author(s): Wegmann A File size: 217K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100067&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** Details are given of a new liquid sterically hindered phenolic antioxidant, which besides imparting excellent thermal stability to the grafted rubber phase of emulsion ABS, can be dosed with a low margin of error, and easily emulsified. Such an emulsion, is claimed to have very good storage stability, and mixes well with the aqueous ABS latex. To reduce the initial colour of ABS after processing, new synergistic process stabilisers, based on lactone chemistry, have been developed. These new stabilisation concepts for ABS graft phase and ABS graft compounds, are shown to significantly improve the technical performance of ABS compounds. 1 ref. --- --- Source: https://polymerjournals.com/stabilization-of-syndiotactic-polystyrene-obtained-in-presence-of-cpticl2oc6h4cl-mao-catalyst/ # STABILIZATION OF SYNDIOTACTIC POLYSTYRENE OBTAINED IN PRESENCE OF CpTiCl2(OC6H4Cl)/MAO CATALYST > Title: STABILIZATION OF SYNDIOTACTIC POLYSTYRENE OBTAINED IN PRESENCE OF CpTiCl2(OC6H4Cl)/MAO CATALYST Page Range: p.153-158 Author(s): Kowalska E; Skupinski W; Wozniewski T; Wielgosz Z; Borensztejn M File size: 114K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/stabilization-of-syndiotactic-polystyrene-obtained-in-presence-of-cpticl2oc6h4cl-mao-catalyst/ Published: 2003-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STABILIZATION OF SYNDIOTACTIC POLYSTYRENE OBTAINED IN PRESENCE OF CpTiCl2(OC6H4Cl)/MAO CATALYST** Page Range: p.153-158 Author(s): Kowalska E; Skupinski W; Wozniewski T; Wielgosz Z; Borensztejn M File size: 114K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-2&JournalID=100068&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 2 **Abstract** The stabilisation of syndiotactic polystyrene, obtained in the presence of the original cyclopentadienyl (p-chlorophenoxy) dichlorotitanium (IV)/methylaluminoxane catalytic system, was investigated. Use of this catalytic system, syndiotactic polystyrene melted in the temperature region of 250-260 degrees C, giving a wider temperature window for processing. Five types of commercial antioxidant and stabilisers were used, together with two specially synthesised stabilisers. These were used in amounts from 0.05 to 1.0 wt.%, and the stability of unstabilised and stabilised syndiotactic polystyrene in a moulding process was evaluated by measuring the melt flow rate in a plastometer, and after four extrusion passes. A second method for the evaluation of the stability of sPS was the measurement of the Index of Thermal Stability. Results of the trials are given. 14 refs. --- --- Source: https://polymerjournals.com/microstructural-effects-on-damage-behaviour-in-particle-reinforced-composites/ # MICROSTRUCTURAL EFFECTS ON DAMAGE BEHAVIOUR IN PARTICLE REINFORCED COMPOSITES > Title: MICROSTRUCTURAL EFFECTS ON DAMAGE BEHAVIOUR IN PARTICLE REINFORCED COMPOSITES Page Range: p.1-8 Author(s): Kwon Y W; Liu C T File size: 262K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11... Canonical URL: https://polymerjournals.com/microstructural-effects-on-damage-behaviour-in-particle-reinforced-composites/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MICROSTRUCTURAL EFFECTS ON DAMAGE BEHAVIOUR IN PARTICLE REINFORCED COMPOSITES** Page Range: p.1-8 Author(s): Kwon Y W; Liu C T File size: 262K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100052&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** A discussion is presented on the effects of non-uniform, random particle distribution on damage initiation and growth, leading to short cracks and breakage of particle reinforced composite specimens. Damage was described a the micro-level, and results were compared qualitatively and quantitatively with experimental observation, with good agreement. It was found that non-uniform, random particle distribution yielded sporadic crack initiation and growth within a uniform tensile specimen. No local crack propagated beyond a certain size, and breakdown of the specimens was not caused by the continuous growth of a single critical crack. Rather, it is maintained, coalescence of neighbouring sporadic short cracks resulted in the breakage of the specimens. The use of computer simulation demonstrated that random particle distribution affected the strength of the composite, but not its effective stiffness. However, a pre-existing crack in the specimen before loading, the effect of the random particle distribution on the initial crack and strength of the composite proved to be near negligible. 13 refs. --- --- Source: https://polymerjournals.com/investigation-of-oil-palm-and-pineapple-fiber-reinforced-phenol-formaldehyde-composites-by-acoustic-emission-technique/ # INVESTIGATION OF OIL PALM AND PINEAPPLE FIBER REINFORCED PHENOL FORMALDEHYDE COMPOSITES BY ACOUSTIC EMISSION TECHNIQUE > Title: INVESTIGATION OF OIL PALM AND PINEAPPLE FIBER REINFORCED PHENOL FORMALDEHYDE COMPOSITES BY ACOUSTIC EMISSION TECHNIQUE Page Range: p.9-18 Author(s): Sreekala M S; Czigany T; Romhany G; Thomas S File size: 344K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/investigation-of-oil-palm-and-pineapple-fiber-reinforced-phenol-formaldehyde-composites-by-acoustic-emission-technique/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INVESTIGATION OF OIL PALM AND PINEAPPLE FIBER REINFORCED PHENOL FORMALDEHYDE COMPOSITES BY ACOUSTIC EMISSION TECHNIQUE** Page Range: p.9-18 Author(s): Sreekala M S; Czigany T; Romhany G; Thomas S File size: 344K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100053&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** Several types of oil palm and pineapple fibre reinforced phenol formaldehyde composites were investigated by fracture mechanics and acoustic emission response. It was found that the fracture behaviour was influenced by the fibre content, the length of the fibres and the condition of the fibre-matrix interface. Single edge-notched tensile specimens were cut from composite plates and examined, and the fracture toughness was determined from force-elongation curves. Results showed that the failure mode for untreated and treated fibres varied, and that surface treatment of the fibres was more important than the fibre content. 9 refs. --- --- Source: https://polymerjournals.com/synthesis-of-graft-copolymers-of-acrylamide-and-comonomers-on-to-cellulose-a-study-of-the-effect-of-comonomer-on-polymer-yields-structure-and-properties/ # SYNTHESIS OF GRAFT COPOLYMERS OF ACRYLAMIDE AND COMONOMERS ON TO CELLULOSE: A STUDY OF THE EFFECT OF COMONOMER ON POLYMER YIELDS, STRUCTURE AND PROPERTIES > Title: SYNTHESIS OF GRAFT COPOLYMERS OF ACRYLAMIDE AND COMONOMERS ON TO CELLULOSE: A STUDY OF THE EFFECT OF COMONOMER ON POLYMER YIELDS, STRUCTURE AND PROPERTIES Page Range: p.19-30 Author(s): Chauhan G S; Guleria L; Lal H File size: 211K Download the pdf... Canonical URL: https://polymerjournals.com/synthesis-of-graft-copolymers-of-acrylamide-and-comonomers-on-to-cellulose-a-study-of-the-effect-of-comonomer-on-polymer-yields-structure-and-properties/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS OF GRAFT COPOLYMERS OF ACRYLAMIDE AND COMONOMERS ON TO CELLULOSE: A STUDY OF THE EFFECT OF COMONOMER ON POLYMER YIELDS, STRUCTURE AND PROPERTIES** Page Range: p.19-30 Author(s): Chauhan G S; Guleria L; Lal H File size: 211K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100054&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** This work reports on the grafting of acrylamide alone onto cellulose extracted from pine needles, as well as in the form of its binary monomer mixture with acrylic acid, hydroxyethyl methacrylate, glycidyl methacrylate, and acrylonitrile, using benzoyl peroxide as a free radical initiator. Optimum grafting conditions of acrylamide onto cellulose (concentrations of initiator and monomer, reaction time and temperature, and amount and composition of the solvent system) have been evaluated and the same grafting conditions have been used for comonomers to be grafted separately with acrylamide using five different concentrations of comonomer. Graft copolymers are characterised by SEM, FTIR, and thermal analysis techniques. Grafting of acrylamide onto cellulose enhances the hydrophobicity of the backbone, providing a novel reactive polymeric material for use in separation and enrichment applications. As such, the study provides a basis for the synthesis of graft copolymers for speciality applications. 18 refs. --- --- Source: https://polymerjournals.com/effect-of-a-two-step-fiber-treatment-on-the-flexural-mechanical-properties-of-sisal-polyester-composites/ # EFFECT OF A TWO STEP FIBER TREATMENT ON THE FLEXURAL MECHANICAL PROPERTIES OF SISAL-POLYESTER COMPOSITES > Title: EFFECT OF A TWO STEP FIBER TREATMENT ON THE FLEXURAL MECHANICAL PROPERTIES OF SISAL-POLYESTER COMPOSITES Page Range: p.31-36 Author(s): Calado V; Barreto D W; d'Almeida J R M File size: 72K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-a-two-step-fiber-treatment-on-the-flexural-mechanical-properties-of-sisal-polyester-composites/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF A TWO STEP FIBER TREATMENT ON THE FLEXURAL MECHANICAL PROPERTIES OF SISAL-POLYESTER COMPOSITES** Page Range: p.31-36 Author(s): Calado V; Barreto D W; d'Almeida J R M File size: 72K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100055&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** Sisal fibres were chemically treated with a two-step treatment involving immersion in a sodium sulphide aqueous solution, followed by an acetic anhydride/acetic acid mixture, in order to promote better adhesion to a polyester resin matrix. The flexural properties of the composites was analysed as a function of the time of immersion in distilled water. The results show that the chemical treatment improved the fibre/matrix interaction as revealed by the brittle behaviour of the composites reinforced with the treated fibres, and also improved the composite behaviour in relation to moisture. The long term behaviour of the composites exposed to water was however, not improved, which could be due, it is proposed, to the controlling role of plasticisation of both the fibres and the resin matrix for the longer times of immersion. 29 refs. --- --- Source: https://polymerjournals.com/use-of-ammonium-salts-of-oligosulphonic-acids-as-flame-retardants-for-polymer-compositions/ # USE OF AMMONIUM SALTS OF OLIGOSULPHONIC ACIDS AS FLAME RETARDANTS FOR POLYMER COMPOSITIONS > Title: USE OF AMMONIUM SALTS OF OLIGOSULPHONIC ACIDS AS FLAME RETARDANTS FOR POLYMER COMPOSITIONS Page Range: p.37-50 Author(s): Karaivanova M S File size: 164K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/use-of-ammonium-salts-of-oligosulphonic-acids-as-flame-retardants-for-polymer-compositions/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: USE OF AMMONIUM SALTS OF OLIGOSULPHONIC ACIDS AS FLAME RETARDANTS FOR POLYMER COMPOSITIONS** Page Range: p.37-50 Author(s): Karaivanova M S File size: 164K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100056&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** This work studies the effects of the ammonium salts of N- and Br-N-containing sulphonic acids as fire retardants on the flammability characteristics of both polychloroprene and ethylene-propylene rubbers for use in the manufacture of fire resistant cable insulation and conveyor belting respectively. The investigated organic additives were proved to act as flame retardants, smoke reducing agents and thermal stabilisers in these compositions. When combined with Sb2O3, these additives show synergism and their action occurs in the gaseous phase on combustion. 51 refs. --- --- Source: https://polymerjournals.com/orientation-effect-in-poly-butylene-succinate-fibres/ # ORIENTATION EFFECT IN POLY (BUTYLENE SUCCINATE) FIBRES > Title: ORIENTATION EFFECT IN POLY (BUTYLENE SUCCINATE) FIBRES Page Range: p.51-56 Author(s): Nakayama K; Masuda T; Cao A; Vega-Baudrit J; Pereira R File size: 126K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/orientation-effect-in-poly-butylene-succinate-fibres/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ORIENTATION EFFECT IN POLY (BUTYLENE SUCCINATE) FIBRES** Page Range: p.51-56 Author(s): Nakayama K; Masuda T; Cao A; Vega-Baudrit J; Pereira R File size: 126K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100057&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** To investigate the biodegradation mechanism of aliphatic polyesters such as polybutylene succinate, fibres of polybutylene succinate were prepared using a single-screw extruder at various take-up speeds. Changes in fibre structure, morphology and physical properties were investigated using sonic velocity measurements and X-ray diffraction. High take-up speeds were shown to enhance some of the properties of polybutylene succinate fibres as a consequence of changes in molecular orientation and crystallinity. Spherulites of polybutylene succinate were also obtained at 90 degrees C. 5 refs. --- --- Source: https://polymerjournals.com/study-of-polyamide-imide-resin-copper-foil-composite-materials/ # STUDY OF POLYAMIDE-IMIDE RESIN/COPPER FOIL COMPOSITE MATERIALS > Title: STUDY OF POLYAMIDE-IMIDE RESIN/COPPER FOIL COMPOSITE MATERIALS Page Range: p.57-67 Author(s): Chou S; Lee K-S File size: 352K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1... Canonical URL: https://polymerjournals.com/study-of-polyamide-imide-resin-copper-foil-composite-materials/ Published: 2003-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY OF POLYAMIDE-IMIDE RESIN/COPPER FOIL COMPOSITE MATERIALS** Page Range: p.57-67 Author(s): Chou S; Lee K-S File size: 352K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc11-1&JournalID=100058&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 11 Issue No: No. 1 **Abstract** In this research, monomers such as 3,4'-oxydianiline (3,4'-ODA) and p-aminobenzoic acid were used to synthesise a high temperature resistant polyamide-imide resin, and the NHCO (amide) group was introduced into the molecular chain to improve the resin's melt flow, solubility and adhesion. Also, without using any coupling agent, two layers of copper foil laminate were formed by hot press gluing. Tests for void content, moisture content, adhesive bond moisture resistance, heat and chemical resistance, dielectric constant, dissipation factor, and surface analysis were carried out to evaluate the properties of the laminates for heat resistant, high performance applications. 13 refs. --- --- Source: https://polymerjournals.com/stress-intensity-factor-for-an-elliptic-inclusion-in-orthotropic-laminates-subjected-to-freeze-thaw-model-verification/ # STRESS INTENSITY FACTOR FOR AN ELLIPTIC INCLUSION IN ORTHOTROPIC LAMINATES SUBJECTED TO FREEZE-THAW: MODEL VERIFICATION > Title: STRESS INTENSITY FACTOR FOR AN ELLIPTIC INCLUSION IN ORTHOTROPIC LAMINATES SUBJECTED TO FREEZE-THAW: MODEL VERIFICATION Page Range: p.571-588 Author(s): Roy S; Nie G H; Karedla R; Dharani L File size: 208K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/stress-intensity-factor-for-an-elliptic-inclusion-in-orthotropic-laminates-subjected-to-freeze-thaw-model-verification/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STRESS INTENSITY FACTOR FOR AN ELLIPTIC INCLUSION IN ORTHOTROPIC LAMINATES SUBJECTED TO FREEZE-THAW: MODEL VERIFICATION** Page Range: p.571-588 Author(s): Roy S; Nie G H; Karedla R; Dharani L File size: 208K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100045&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** An analytical formulation is presented which has been developed and validated for use in calculating the stress intensity factor due to water-ice inclusion in both transversely ISOTROPIC and ORTHOTROPIC matrices. By use of finite element analysis, it was established that the stress field in the vicinity of an elliptical inclusion was an acceptable analytical idealisation by which to obtain the stress intensity for a crack with ice inclusion. Results are discussed which indicate that the stress state in a slender elliptic elastic inclusion can be used to approximate the stress field at the crack face, which could subsequently be adopted to determine the stress intensity factor. Analyses of the delamination and fatigue life prediction for freeze-thaw cycling are provided as specific applications of the model. 13 refs. --- --- Source: https://polymerjournals.com/effect-of-fiber-surface-treatment-on-mechanical-properties-of-polyethylene-epoxy-composites/ # EFFECT OF FIBER SURFACE TREATMENT ON MECHANICAL PROPERTIES OF POLYETHYLENE/EPOXY COMPOSITES > Title: EFFECT OF FIBER SURFACE TREATMENT ON MECHANICAL PROPERTIES OF POLYETHYLENE/EPOXY COMPOSITES Page Range: p.589-598 Author(s): Higuchi Y; Tadayoshi S; Mizoguchi M; Fukui T; Hamada H File size: 427K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effect-of-fiber-surface-treatment-on-mechanical-properties-of-polyethylene-epoxy-composites/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF FIBER SURFACE TREATMENT ON MECHANICAL PROPERTIES OF POLYETHYLENE/EPOXY COMPOSITES** Page Range: p.589-598 Author(s): Higuchi Y; Tadayoshi S; Mizoguchi M; Fukui T; Hamada H File size: 427K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100046&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** The performance of a rehabilitated pipe is examined with respect to the effects of fabric surface treatments on the performance of the structural composites used to rehabilitate the pipeline, and in particular, the effects on performance, created as a result of the permeability of the resin to the fibre bundles. Results are reported of tensile and pipe performance tests carried out on PE/epoxy materials in which the PE fibres were pre-treated to remove the binder and/or sized. It was shown that the tensile modulus of the composites was increased by pre-treatment and that the tensile strength remained almost the same. The strength retention of pre-treated composites was higher than that of composites with both a binder and a size. Differences in pipe performance were caused by the different interphase resulting from pre-treatment and/or sizing. 7 refs. --- --- Source: https://polymerjournals.com/evaluation-of-glass-fibre-epoxy-prepreg-quality-during-storage/ # EVALUATION OF GLASS FIBRE/EPOXY PREPREG QUALITY DURING STORAGE > Title: EVALUATION OF GLASS FIBRE/EPOXY PREPREG QUALITY DURING STORAGE Page Range: p.599-606 Author(s): Ji J K; Wei C Y; Deng W H; Zhang Y S; Liu Y L; Mao R Z; Wang X File size: 87K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/evaluation-of-glass-fibre-epoxy-prepreg-quality-during-storage/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF GLASS FIBRE/EPOXY PREPREG QUALITY DURING STORAGE** Page Range: p.599-606 Author(s): Ji J K; Wei C Y; Deng W H; Zhang Y S; Liu Y L; Mao R Z; Wang X File size: 87K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100047&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** Characterisation methods are reported which are used in the evaluation of chemical changes to glass fibre/epoxy prepregs during storage in an environment chamber. Such methods included infrared spectroscopy, thermal analysis and other chemical methods to measure the volatile and insoluble components content. Precuring is found to take place during storage as a result of a chemical reaction between some epoxide groups. Tests were carried out on laminates made from prepregs that had been degraded to different degrees, and flexural and tensile properties were found to be significantly reduced as a consequence of the increase in the precured degree of the prepregs. 11 refs. --- --- Source: https://polymerjournals.com/effect-of-heat-treatment-on-the-impact-strength-of-glass-fibre-reinforced-polypropylene/ # EFFECT OF HEAT TREATMENT ON THE IMPACT STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE > Title: EFFECT OF HEAT TREATMENT ON THE IMPACT STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE Page Range: p.607-618 Author(s): Lin J-S File size: 169K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10... Canonical URL: https://polymerjournals.com/effect-of-heat-treatment-on-the-impact-strength-of-glass-fibre-reinforced-polypropylene/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF HEAT TREATMENT ON THE IMPACT STRENGTH OF GLASS FIBRE REINFORCED POLYPROPYLENE** Page Range: p.607-618 Author(s): Lin J-S File size: 169K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100048&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** An alternative method of improving the impact strength of glass fibre reinforced polypropylene by the use of heat treatment is described. Heat treatment is applied to injection moulded specimens in order to adjust the interfacial adhesion and hence the effectiveness of the transfer of stress from matrix to fibre. The interfacial adhesion is determined by measurement of the critical fibre length, which can be used to evaluate the effect of heat treatment on the impact strength of glass fibre-reinforced PP specimens. Results showed that impact strength increased with the testing temperature. At 25 degrees C, the impact strength was dominated by the fibre fracture mechanism, and at temperatures above 120 degrees C, it was found to be strongly influenced by the PP matrix, and at higher temperatures, the impact strength increased significantly because of the formation of extra cracks. 16 refs. --- --- Source: https://polymerjournals.com/rheological-and-mechanical-properties-of-pc-hdpe-glass-fiber-composites/ # RHEOLOGICAL AND MECHANICAL PROPERTIES OF PC/HDPE/GLASS FIBER COMPOSITES > Title: RHEOLOGICAL AND MECHANICAL PROPERTIES OF PC/HDPE/GLASS FIBER COMPOSITES Page Range: p.619-626 Author(s): Chaoqin L; Zhang Y; Zhang Y; Zhang C File size: 278K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/rheological-and-mechanical-properties-of-pc-hdpe-glass-fiber-composites/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGICAL AND MECHANICAL PROPERTIES OF PC/HDPE/GLASS FIBER COMPOSITES** Page Range: p.619-626 Author(s): Chaoqin L; Zhang Y; Zhang Y; Zhang C File size: 278K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100049&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** Whilst polycarbonate is a widely used engineering polymer, its tendency to notch sensitivity and crazing, together with its high melt viscosity and processing problems, have led to attempts to use it in blends with polyolefins. This, however, leads to a reduction in tensile and flexural strengths and stiffness. This paper, therefore, investigates the rheological and mechanical properties of polycarbonate in blends with HDPE and glass fibres. Maleic anhydride grafted LDPE was used as a compatibiliser, and tests were carried out on composites with and without the compatibiliser. LDPE-g-MAH in the composite was shown to improve the reinforcement efficiency of the glass fibres and strengthen the adhesion between polymer matrix and glass fibres, leading to good mechanical properties. 16 refs. --- --- Source: https://polymerjournals.com/critical-review-of-polymer-based-composite-automotive-bumper-systems/ # CRITICAL REVIEW OF POLYMER-BASED COMPOSITE AUTOMOTIVE BUMPER SYSTEMS > Title: CRITICAL REVIEW OF POLYMER-BASED COMPOSITE AUTOMOTIVE BUMPER SYSTEMS Page Range: p.627-636 Author(s): Sapuan S M; Suddin N; Maleque M A File size: 137K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/critical-review-of-polymer-based-composite-automotive-bumper-systems/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CRITICAL REVIEW OF POLYMER-BASED COMPOSITE AUTOMOTIVE BUMPER SYSTEMS** Page Range: p.627-636 Author(s): Sapuan S M; Suddin N; Maleque M A File size: 137K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100050&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** A review is presented of automotive bumper systems with reference to design, materials selection and function. A description is given of bumper components and a critical review of polymer-based bumper systems with specific methodology, are provided. Advantages and disadvantages of polymer based composite materials, compared to those of traditional steel materials, are discussed, together with factors which need to be considered in the selection of a bumper system. 33 refs. --- --- Source: https://polymerjournals.com/characterisation-of-polyethylene-film-blends-pouches-by-differential-scanning-calorimetry/ # CHARACTERISATION OF POLYETHYLENE FILM BLENDS POUCHES BY DIFFERENTIAL SCANNING CALORIMETRY > Title: CHARACTERISATION OF POLYETHYLENE FILM BLENDS POUCHES BY DIFFERENTIAL SCANNING CALORIMETRY Page Range: p.637-640 Author(s): Suman M File size: 62K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No.... Canonical URL: https://polymerjournals.com/characterisation-of-polyethylene-film-blends-pouches-by-differential-scanning-calorimetry/ Published: 2002-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CHARACTERISATION OF POLYETHYLENE FILM BLENDS POUCHES BY DIFFERENTIAL SCANNING CALORIMETRY** Page Range: p.637-640 Author(s): Suman M File size: 62K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-8&JournalID=100051&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 8 **Abstract** Differential scanning calorimetry is used for the characterisation of LDPE/LLDPE blends used in the production of packaging pouches. The use of DSC is described to explain the inadequate machinability of film pouches, and to demonstrate how improvements can be obtained by an increase in the LLDPE component. 10 refs. --- --- Source: https://polymerjournals.com/complete-in-plane-elastic-characterisation-under-tensile-tests-of-angle-ply-laminates-composed-of-polymer-matrix-layers/ # COMPLETE IN-PLANE ELASTIC CHARACTERISATION UNDER TENSILE TESTS OF ANGLE-PLY LAMINATES COMPOSED OF POLYMER-MATRIX LAYERS > Title: COMPLETE IN-PLANE ELASTIC CHARACTERISATION UNDER TENSILE TESTS OF ANGLE-PLY LAMINATES COMPOSED OF POLYMER-MATRIX LAYERS Page Range: p.483-492 Author(s): Valot E; Vannucci P; Verchery G File size: 155K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/complete-in-plane-elastic-characterisation-under-tensile-tests-of-angle-ply-laminates-composed-of-polymer-matrix-layers/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPLETE IN-PLANE ELASTIC CHARACTERISATION UNDER TENSILE TESTS OF ANGLE-PLY LAMINATES COMPOSED OF POLYMER-MATRIX LAYERS** Page Range: p.483-492 Author(s): Valot E; Vannucci P; Verchery G File size: 155K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100038&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** A new strategy is presented which allows for the characterisation of the in-plane elastic properties of a large range of angle-ply laminates using only unidirectional tests. The method uses earlier results for orthotropic laminates in which the conditions of existence of a specific direction apply in which the shear-extension coupling is null. The characterisation of the laminate is made using the results of three tensile tests to produce a pure one-dimensional state of stress. The method can achieve a complete experimental characterisation of the laminate which then does not need any a priori knowledge of the elastic properties of the elementary layer, and provides a simple method by which to verify the predictions of the laminate behaviour obtained by the Classical Laminated Plate Theory when the elementary layer is completely known. Numerical examples and results of some experimental tests are included. 13 refs. --- --- Source: https://polymerjournals.com/study-on-resin-flow-through-a-multi-layered-preform-in-resin-transfer-molding/ # STUDY ON RESIN FLOW THROUGH A MULTI-LAYERED PREFORM IN RESIN TRANSFER MOLDING > Title: STUDY ON RESIN FLOW THROUGH A MULTI-LAYERED PREFORM IN RESIN TRANSFER MOLDING Page Range: p.492-510 Author(s): Seong D G; Chung K; Kang T J; Youn J R File size: 445K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/study-on-resin-flow-through-a-multi-layered-preform-in-resin-transfer-molding/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: STUDY ON RESIN FLOW THROUGH A MULTI-LAYERED PREFORM IN RESIN TRANSFER MOLDING** Page Range: p.492-510 Author(s): Seong D G; Chung K; Kang T J; Youn J R File size: 445K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100039&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** The permeabilities are measured in the saturated flow of three kinds of single layered preforms and also of three kinds of multi-layered preforms used in the resin transfer moulding process. A new method of measuring permeability is reported which considers the transverse flow between the two different layers. The proposed method is compared with the weighted average permeability method. The advancement of flow front in multi-layered preforms is investigated theoretically and visualised by a digital camcorder. 26 refs. --- --- Source: https://polymerjournals.com/in-plane-shear-measurements-of-textile-composites-with-large-unit-cells-using-the-plate-twist-test/ # IN-PLANE SHEAR MEASUREMENTS OF TEXTILE COMPOSITES WITH LARGE UNIT CELLS USING THE PLATE TWIST TEST > Title: IN-PLANE SHEAR MEASUREMENTS OF TEXTILE COMPOSITES WITH LARGE UNIT CELLS USING THE PLATE TWIST TEST Page Range: p.511-520 Author(s): Weissenbach G; Brown D; Limmer L File size: 193K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/in-plane-shear-measurements-of-textile-composites-with-large-unit-cells-using-the-plate-twist-test/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IN-PLANE SHEAR MEASUREMENTS OF TEXTILE COMPOSITES WITH LARGE UNIT CELLS USING THE PLATE TWIST TEST** Page Range: p.511-520 Author(s): Weissenbach G; Brown D; Limmer L File size: 193K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100040&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** In this paper the plate twist test is investigated numerically and experimentally in order to ascertain its applicability to the in-plane shear modulus measurement of advanced woven textile reinforced composite materials. Based on the application of the theory of thin anisotropic plates, a correction factor to compensate for a inboard shift of both loading and supporting points was derived. Corrected shear moduli data compares well with those where the factor by Simms et al is applied. 16 refs. --- --- Source: https://polymerjournals.com/effect-of-punching-density-on-the-mechanical-and-thermal-properties-of-needle-punched-nonwoven-carbon-phenolic-composites/ # EFFECT OF PUNCHING DENSITY ON THE MECHANICAL AND THERMAL PROPERTIES OF NEEDLE-PUNCHED NONWOVEN CARBON/PHENOLIC COMPOSITES > Title: EFFECT OF PUNCHING DENSITY ON THE MECHANICAL AND THERMAL PROPERTIES OF NEEDLE-PUNCHED NONWOVEN CARBON/PHENOLIC COMPOSITES Page Range: p.521-530 Author(s): Kang T J; Jung K H; Park J K; Youn J R; Lee S G File size: 173K Download the pdf (subscribers... Canonical URL: https://polymerjournals.com/effect-of-punching-density-on-the-mechanical-and-thermal-properties-of-needle-punched-nonwoven-carbon-phenolic-composites/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF PUNCHING DENSITY ON THE MECHANICAL AND THERMAL PROPERTIES OF NEEDLE-PUNCHED NONWOVEN CARBON/PHENOLIC COMPOSITES** Page Range: p.521-530 Author(s): Kang T J; Jung K H; Park J K; Youn J R; Lee S G File size: 173K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100041&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** The punching density, penetration depth, shape of needle and speed of needling are amongst some of the factors affecting the mechanical properties of needle-punched 3-D preforms. This work reports a study of the mechanical properties of needle-punched non-woven carbon/phenolic composites with different punching densities, and the effect of changes in fibre orientation due to needle punching on the thermal properties of non-woven carbon/phenolic composites. --- --- Source: https://polymerjournals.com/graft-polymerization-of-vinyl-monomers-onto-nanosized-silicon-carbide-particles/ # GRAFT POLYMERIZATION OF VINYL MONOMERS ONTO NANOSIZED SILICON CARBIDE PARTICLES > Title: GRAFT POLYMERIZATION OF VINYL MONOMERS ONTO NANOSIZED SILICON CARBIDE PARTICLES Page Range: p.531-540 Author(s): Ji Q L; Rong M Z; Zhang M Q; Friedrich K File size: 131K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/graft-polymerization-of-vinyl-monomers-onto-nanosized-silicon-carbide-particles/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: GRAFT POLYMERIZATION OF VINYL MONOMERS ONTO NANOSIZED SILICON CARBIDE PARTICLES** Page Range: p.531-540 Author(s): Ji Q L; Rong M Z; Zhang M Q; Friedrich K File size: 131K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100042&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** In order to prepare polymer composites filled with silicon carbide nanoparticles to be used in tribological applications, grafting polymerisation onto the particles was carried out as a way of surface modification in order to tailor interfacial interaction in the composite. The silicone carbide surface was pre-treated with a silane coupling agent, followed by radical grafting polymerisation of acrylamide and styrene respectively. Infrared spectroscopy and measurement of dispersivity in solvent, were used to demonstrate that the desired polymer chains were covalently bonded to the surface of the nanoparticles. In addition, the polymerisation conditions were investigated and the controlling factors were established accordingly. 25 refs. --- --- Source: https://polymerjournals.com/silane-modified-fillers-for-reinforcing-polymers/ # SILANE MODIFIED FILLERS FOR REINFORCING POLYMERS > Title: SILANE MODIFIED FILLERS FOR REINFORCING POLYMERS Page Range: p.541-552 Author(s): Domka L; Krysztafkiewicz; Kozak M File size: 207K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7... Canonical URL: https://polymerjournals.com/silane-modified-fillers-for-reinforcing-polymers/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SILANE MODIFIED FILLERS FOR REINFORCING POLYMERS** Page Range: p.541-552 Author(s): Domka L; Krysztafkiewicz; Kozak M File size: 207K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100043&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** This work reports on the physicochemical properties of a range of fillers, including synthetic fillers, natural fillers and waste materials such as cement dusts and post-fluor silicas, with reference to their modification with silane coupling agents for use in SBR, PU and PVC compounds. Various types of silane coupling agents (amino-, mercapto-, methacryloxy- and ureidosilanes) were used for surface modification. Results in terms of properties and performance of filled polymers are discussed. 43 refs. --- --- Source: https://polymerjournals.com/molecular-transport-of-aromatic-hydrocarbons-through-ethylene-propylene-diene-terpolymer/ # MOLECULAR TRANSPORT OF AROMATIC HYDROCARBONS THROUGH ETHYLENE PROPYLENE DIENE TERPOLYMER > Title: MOLECULAR TRANSPORT OF AROMATIC HYDROCARBONS THROUGH ETHYLENE PROPYLENE DIENE TERPOLYMER Page Range: p.553-568 Author(s): Kumar P V A; Varughese K T; Thomas S File size: 174K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/molecular-transport-of-aromatic-hydrocarbons-through-ethylene-propylene-diene-terpolymer/ Published: 2002-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MOLECULAR TRANSPORT OF AROMATIC HYDROCARBONS THROUGH ETHYLENE PROPYLENE DIENE TERPOLYMER** Page Range: p.553-568 Author(s): Kumar P V A; Varughese K T; Thomas S File size: 174K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-7&JournalID=100044&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 7 **Abstract** This study reports the diffusivity, sorptivity and permeability of four aromatic hydrocarbons through crosslinked EPDM rubber membranes. Results indicate that the nature of the crosslinking system influences the transport process. Vulcanisation was carried out using four different systems: conventional, efficient, semi-efficient, and sulphurless. The influence of penetrant size on sorption behaviour of EPDM is also examined. From the diffusion data, the activation energies of diffusion and penetration, enthalpy and entropy of sorption, interaction parameter, etc. were evaluated. 21 refs. --- --- Source: https://polymerjournals.com/mechanical-properties-of-sisal-reinforced-composites-in-response-to-water-absorption/ # MECHANICAL PROPERTIES OF SISAL REINFORCED COMPOSITES IN RESPONSE TO WATER ABSORPTION > Title: MECHANICAL PROPERTIES OF SISAL REINFORCED COMPOSITES IN RESPONSE TO WATER ABSORPTION Page Range: p.407-426 Author(s): Rong M Z; Zhang M Q; Liu Y; Zhang Z W; Yang G C; Zeng H M File size: 254K Download the pdf (subscribers only) Buy... Canonical URL: https://polymerjournals.com/mechanical-properties-of-sisal-reinforced-composites-in-response-to-water-absorption/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MECHANICAL PROPERTIES OF SISAL REINFORCED COMPOSITES IN RESPONSE TO WATER ABSORPTION** Page Range: p.407-426 Author(s): Rong M Z; Zhang M Q; Liu Y; Zhang Z W; Yang G C; Zeng H M File size: 254K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100031&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** The water absorption behaviour of sisal and the mechanical properties of sisal fibre-reinforced epoxy composites aged in water, are discussed. The effect is examined of a series of fibre pretreatment techniques on the water resistance of sisal and its composites. These include mercerisation, acetylation, cyanoethylation, coupling agent treatment and thermal treatment. An evaluation of these treatments is included, and results show that the water absorption behaviour of sisal composites is controlled mainly by the fibre and the fibre/matrix interfacial properties. Modification of sisal fibres is shown to be necessary to retard water diffusion and enhance interfacial adhesion in order for natural fibre composites to be used in practical applications. 18 refs. --- --- Source: https://polymerjournals.com/influence-of-maleation-of-ground-rubber-tyre-grt-on-the-thermorheological-behaviour-of-thermoplastic-elastomers-based-on-ethylene-propylene-diene-rubber-grt-and-ethylene-co-acrylic-acid/ # INFLUENCE OF MALEATION OF GROUND RUBBER TYRE (GRT) ON THE THERMORHEOLOGICAL BEHAVIOUR OF THERMOPLASTIC ELASTOMERS BASED ON ETHYLENE PROPYLENE DIENE RUBBER, GRT AND ETHYLENE-CO-ACRYLIC ACID > Title: INFLUENCE OF MALEATION OF GROUND RUBBER TYRE (GRT) ON THE THERMORHEOLOGICAL BEHAVIOUR OF THERMOPLASTIC ELASTOMERS BASED ON ETHYLENE PROPYLENE DIENE RUBBER, GRT AND ETHYLENE-CO-ACRYLIC ACID Page Range: p.427-432 Author(s): Naskar A K; De S K; Bhowmick A K File size: 84K... Canonical URL: https://polymerjournals.com/influence-of-maleation-of-ground-rubber-tyre-grt-on-the-thermorheological-behaviour-of-thermoplastic-elastomers-based-on-ethylene-propylene-diene-rubber-grt-and-ethylene-co-acrylic-acid/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INFLUENCE OF MALEATION OF GROUND RUBBER TYRE (GRT) ON THE THERMORHEOLOGICAL BEHAVIOUR OF THERMOPLASTIC ELASTOMERS BASED ON ETHYLENE PROPYLENE DIENE RUBBER, GRT AND ETHYLENE-CO-ACRYLIC ACID** Page Range: p.427-432 Author(s): Naskar A K; De S K; Bhowmick A K File size: 84K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100032&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** A study is reported of the thermorheological behaviour of thermoplastic elastomer blends based on both ground rubber from scrap tyres, (GRT) and maleic anhydride grafted GRT, (m-GRT) to determine the influence of the maleation on the GRT in blends with EPDM and ethylene-co-acrylic acid with respect to the rheological characteristics of the blend. Higher storage and loss shear moduli and shear viscosity was noted for the m-GRT based TPE compared to the GRT based TPE composition. An interaction between m-GRT and A-HDPE was evident from the loss tangent spectra of the blends as well as from the die swell of the melt extrudates. The m-GRT based TPE produced smoother extrudates at low shear rates than the blend containing non-maleated GRT. However, at higher shear rates, both compositions showed melt fracture. 16 refs. --- --- Source: https://polymerjournals.com/enhanced-performance-of-ldpe-sbs-blend-modified-asphalt-through-dynamic-vulcanization/ # ENHANCED PERFORMANCE OF LDPE/SBS BLEND MODIFIED ASPHALT THROUGH DYNAMIC VULCANIZATION > Title: ENHANCED PERFORMANCE OF LDPE/SBS BLEND MODIFIED ASPHALT THROUGH DYNAMIC VULCANIZATION Page Range: p.433-440 Author(s): Gao G; Zhang Y; Zhang Y; Sun K File size: 107K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/enhanced-performance-of-ldpe-sbs-blend-modified-asphalt-through-dynamic-vulcanization/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ENHANCED PERFORMANCE OF LDPE/SBS BLEND MODIFIED ASPHALT THROUGH DYNAMIC VULCANIZATION** Page Range: p.433-440 Author(s): Gao G; Zhang Y; Zhang Y; Sun K File size: 107K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100033&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** A blend of LDPE and SBS was used to modify an asphalt, and a storage-stable modified asphalt was prepared by dynamic vulcanisation. The vulcanisation characteristics of the modified asphalt were studied using a strain-controlled rheometer. The vulcanisation of the SBS in the blend-modified asphalt resulted in a marked increase in the torque. The physical properties of the LDPE/SBS blend-modified asphalt containing even a small amount of sulphur were shown to be improved, together with its storage stability. The rheological properties of the blend-modified asphalt before and after the addition of sulphur were characterised using a dynamic shear rheometer and a rotational viscometer. 18 refs. --- --- Source: https://polymerjournals.com/glass-fiber-reinforced-composites-of-coloured-epoxy-resin-cured-with-different-amines/ # GLASS FIBER REINFORCED COMPOSITES OF COLOURED EPOXY RESIN CURED WITH DIFFERENT AMINES > Title: GLASS FIBER REINFORCED COMPOSITES OF COLOURED EPOXY RESIN CURED WITH DIFFERENT AMINES Page Range: p.441-446 Author(s): Patel M R; Patel M P; Patel R H; Patel R G File size: 103K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/glass-fiber-reinforced-composites-of-coloured-epoxy-resin-cured-with-different-amines/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: GLASS FIBER REINFORCED COMPOSITES OF COLOURED EPOXY RESIN CURED WITH DIFFERENT AMINES** Page Range: p.441-446 Author(s): Patel M R; Patel M P; Patel R H; Patel R G File size: 103K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100034&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** A novel coloured epoxy resin has been synthesised by reaction between epichlorohydrin and bisazodiol. This paper discusses the curing kinetics and thermal stability of the coloured epoxy resin, blended with a conventional epoxy resin in the ratio of 15:85 (w/w) using various amine curing agents. Several glass fibre reinforced composites of coloured epoxy resins and DGEBA resin in the same weight ratio were prepared using diethylenetriamine, triethylenetetramine, p-p-'-diamino diphenyl sulphone and p-p'-diamino diphenyl methane as curing agents in stoichiometric proportions. The fabricated composites were evaluated for mechanical strength, electrical properties, and resistance to various chemicals, and these properties are shown to be related to the effect of the amine structure of the curing agent used. 15 refs. --- --- Source: https://polymerjournals.com/polyolefin-composites-filled-with-magnesium-hydroxide/ # POLYOLEFIN COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE > Title: POLYOLEFIN COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE Page Range: p.447-456 Author(s): Zhu S; Zhang Y; Zhang Y File size: 132K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No.... Canonical URL: https://polymerjournals.com/polyolefin-composites-filled-with-magnesium-hydroxide/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYOLEFIN COMPOSITES FILLED WITH MAGNESIUM HYDROXIDE** Page Range: p.447-456 Author(s): Zhu S; Zhang Y; Zhang Y File size: 132K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100035&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** Modified and non-modified composites of PP and LLDPE filled with magnesium hydroxide were investigated, and maleic acid anhydride-grafted PP or LLDPE were used as polymeric modifiers, (MAH-g-PP, or MAH-g-LLDPE) to enhance the interaction between the flame retardant filler and the polymer. When LLDPE was partially replaced by MAH-g-LLDPE, it was found that the notched Izod impact strength, tensile strength, and flexural strength of the composites increased, while the modulus decreased. When the PP was partially replaced by MAH-g-PP, the tensile strength and flexural strength of the composites increased, and the impact strength and modulus changed slightly. The phase structure of the composites was characterised using SEM, DMTA, and DSC which provided evidence to suggest an encapsulation of LLDPE or PP around magnesium hydroxide filler particles in the PP/LLDPE composites containing MAH-g-LLDPE or MAG-g-PP. 13 refs. --- --- Source: https://polymerjournals.com/cyclomatrix-phosphazene-polymers-via-alder-ene-reactions/ # CYCLOMATRIX PHOSPHAZENE POLYMERS VIA ALDER-ENE REACTIONS > Title: CYCLOMATRIX PHOSPHAZENE POLYMERS VIA ALDER-ENE REACTIONS Page Range: p.457-466 Author(s): Reghunadhan C P; Sunitha M; Ninan K N File size: 123K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue... Canonical URL: https://polymerjournals.com/cyclomatrix-phosphazene-polymers-via-alder-ene-reactions/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CYCLOMATRIX PHOSPHAZENE POLYMERS VIA ALDER-ENE REACTIONS** Page Range: p.457-466 Author(s): Reghunadhan C P; Sunitha M; Ninan K N File size: 123K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100036&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** The Alder-ene cure chemistry was used to design novel thermosets with a view to the development of thermally stable formulations based on cyclotriphosphazenes. The protocol was to design an allyl phenoxy substituted cyclotriphosphazene and effect its cure using a bismaleimide. This paper reports the synthesis, curing and properties of cyclomatrix phosphazene polymers derived from the reaction between allylphenoxy phosphazene and bismaleimide system. 27 refs. --- --- Source: https://polymerjournals.com/effect-of-heat-treatment-on-thermomechanical-properties-of-electron-beam-cured-epoxy-resins/ # EFFECT OF HEAT TREATMENT ON THERMOMECHANICAL PROPERTIES OF ELECTRON BEAM-CURED EPOXY RESINS > Title: EFFECT OF HEAT TREATMENT ON THERMOMECHANICAL PROPERTIES OF ELECTRON BEAM-CURED EPOXY RESINS Page Range: p.467-480 Author(s): Zhang Z-G; Sui G; Zhone W-H; Sun Z-J File size: 149K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/effect-of-heat-treatment-on-thermomechanical-properties-of-electron-beam-cured-epoxy-resins/ Published: 2002-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF HEAT TREATMENT ON THERMOMECHANICAL PROPERTIES OF ELECTRON BEAM-CURED EPOXY RESINS** Page Range: p.467-480 Author(s): Zhang Z-G; Sui G; Zhone W-H; Sun Z-J File size: 149K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-6&JournalID=100037&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 6 **Abstract** A study is described of the effects of thermal post-treatment on electron beam-cured epoxy resins. Dynamic mechanical analyses were performed on samples which differed in EB radiation dose, initiator dose, molecular weight, and molecular weight distribution. The influence of these variables on heat treatment is examined, and studies of the effects of heat treatment on EB-cured bisphenol A epoxy resins provide an understanding of the how technology parameters affect the formation of the crosslinked structure. 16 refs. --- --- Source: https://polymerjournals.com/high-yield-synthesis-of-fluorinated-benzoxazine-monomers-and-their-molecular-characterization/ # HIGH YIELD SYNTHESIS OF FLUORINATED BENZOXAZINE MONOMERS AND THEIR MOLECULAR CHARACTERIZATION > Title: HIGH YIELD SYNTHESIS OF FLUORINATED BENZOXAZINE MONOMERS AND THEIR MOLECULAR CHARACTERIZATION Page Range: p.191-204 Author(s): Liu J; Ishida H File size: 142K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10... Canonical URL: https://polymerjournals.com/high-yield-synthesis-of-fluorinated-benzoxazine-monomers-and-their-molecular-characterization/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HIGH YIELD SYNTHESIS OF FLUORINATED BENZOXAZINE MONOMERS AND THEIR MOLECULAR CHARACTERIZATION** Page Range: p.191-204 Author(s): Liu J; Ishida H File size: 142K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100011&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** The synthesis is reported of previously unknown 3,4-dihydro-3-fluorophenyl-2H-1,3-benzoxazines by the reactions of formaldehyde and bisphenol-A with penta-,tri-, di-, and mono-fluoroaniline, under neutral or acidic conditions. This fluorinated benzoxazine monomer has been developed as a potential precursor for a polybenzoxazine in electronic applications, where its advantages in terms of low dielectric constant, low flammability, low refractive index, low coefficient of friction and high Tg temperature will be used. It is found that the pH value of the reaction medium is the controlling factor in the yield of the compound from weak amines, and that a strongly acidic condition is necessary for the synthesis of similar compounds from other very weak amines. The effects of solvents are discussed. 26 refs. --- --- Source: https://polymerjournals.com/effects-of-fiber-length-and-spatial-distribution-on-the-stiffness-of-short-fiber-reinforced-composites/ # EFFECTS OF FIBER LENGTH AND SPATIAL DISTRIBUTION ON THE STIFFNESS OF SHORT-FIBER REINFORCED COMPOSITES > Title: EFFECTS OF FIBER LENGTH AND SPATIAL DISTRIBUTION ON THE STIFFNESS OF SHORT-FIBER REINFORCED COMPOSITES Page Range: p.205-210 Author(s): Juhlin E; Chen X; Papathanasiou T D File size: 107K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effects-of-fiber-length-and-spatial-distribution-on-the-stiffness-of-short-fiber-reinforced-composites/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECTS OF FIBER LENGTH AND SPATIAL DISTRIBUTION ON THE STIFFNESS OF SHORT-FIBER REINFORCED COMPOSITES** Page Range: p.205-210 Author(s): Juhlin E; Chen X; Papathanasiou T D File size: 107K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100012&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** The results are reported of a computational investigation of the effect of fibre aspect ratio on the stiffness of composite rods reinforced with rigid spheroidal inclusions. Steady-state three-dimensional deformations of composite rods containing up to 50 individual, randomly placed aligned spheroids are considered. Solution of the equations of elasticity for the entire 3D domain yields an effective tensile modulus for the composite rod. Statistical averages of the computed effective moduli are compared to the predictions of the Mori-Tanaka model for the stiffness of the short fibre composites. In addition, the effect is investigated on stiffness of random perturbations in fibre length around a mean value. 15 refs. --- --- Source: https://polymerjournals.com/effect-of-heat-treatment-on-the-fracture-toughness-of-glass-fibre-reinforced-polypropylene/ # EFFECT OF HEAT TREATMENT ON THE FRACTURE TOUGHNESS OF GLASS FIBRE REINFORCED POLYPROPYLENE > Title: EFFECT OF HEAT TREATMENT ON THE FRACTURE TOUGHNESS OF GLASS FIBRE REINFORCED POLYPROPYLENE Page Range: p.211-218 Author(s): Lin J-S; Wu S-K File size: 114K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/effect-of-heat-treatment-on-the-fracture-toughness-of-glass-fibre-reinforced-polypropylene/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF HEAT TREATMENT ON THE FRACTURE TOUGHNESS OF GLASS FIBRE REINFORCED POLYPROPYLENE** Page Range: p.211-218 Author(s): Lin J-S; Wu S-K File size: 114K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100013&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** The effect is examined of heat treatment on the fracture toughness of glass fibre reinforced polypropylene. PP blended with short glass fibres was injection moulded and heat treated at 150 degrees C for 30 minutes. The crack growth resistance curve was measured to evaluate the effect of heat treatment on the fracture toughness, and to determine the stress intensity factor at the point of instability. The fracture surface was examined using scanning electron microscopy to analyse the fracture mechanism. By measuring the critical fibre length, it is observed that heat treatment changes the fibre-matrix interfacial shear strength and hence affects the mechanical properties of FRP. 28 refs. --- --- Source: https://polymerjournals.com/dielectric-properties-of-polymers-filled-with-dispersed-metals/ # DIELECTRIC PROPERTIES OF POLYMERS FILLED WITH DISPERSED METALS > Title: DIELECTRIC PROPERTIES OF POLYMERS FILLED WITH DISPERSED METALS Page Range: p.219-228 Author(s): Mamunya Y P; Davydenko V V; Zois H; Apekis L; Snarskii A A; Slipchenko K V File size: 195K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/dielectric-properties-of-polymers-filled-with-dispersed-metals/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: DIELECTRIC PROPERTIES OF POLYMERS FILLED WITH DISPERSED METALS** Page Range: p.219-228 Author(s): Mamunya Y P; Davydenko V V; Zois H; Apekis L; Snarskii A A; Slipchenko K V File size: 195K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100014&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** The dielectric properties are studied of composite materials based on PVC and epoxy resin filled with copper or nickel of various particle sizes and shapes. In addition, two types of particle distribution, random and segregated were produced for composites filled with nickel. The effect of the above factors on the dielectric properties of the composites was studied. The concentration dependence of the dielectric parameters is said to demonstrate a critical behaviour in the percolation threshold region, and the dependence of the dielectric parameters on concentration follows power-law behaviour. A model for the structure which explains the behaviour, is proposed. 26 refs. --- --- Source: https://polymerjournals.com/improved-storage-stability-of-ldpe-sbs-blends-modified-asphalts/ # IMPROVED STORAGE STABILITY OF LDPE/SBS BLENDS MODIFIED ASPHALTS > Title: IMPROVED STORAGE STABILITY OF LDPE/SBS BLENDS MODIFIED ASPHALTS Page Range: p.229-236 Author(s): Gao G; Zhang Y; Zhang Y; Sun K; Fan Y File size: 115K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/improved-storage-stability-of-ldpe-sbs-blends-modified-asphalts/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPROVED STORAGE STABILITY OF LDPE/SBS BLENDS MODIFIED ASPHALTS** Page Range: p.229-236 Author(s): Gao G; Zhang Y; Zhang Y; Sun K; Fan Y File size: 115K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100015&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** Phase separation has been a major obstacle to the widespread use of polymer-modified asphalt in road surfacing, and to provide a solution to the problem of storage-stable polymer modified asphalts, blends of SBS and LDPE are mixed under high shear stress, and added with sulphur to the asphalt under high speed mixing. Compared to the asphalts modified by LDPE and SBS added directly, the blend modified asphalts showed better storage stability in the presence of sulphur at high temperature, with no visible phase separation or evidence of coalescence. The rheological properties of the asphalts were also improved by the addition of polymers in all cases. 18 refs. --- --- Source: https://polymerjournals.com/cure-behaviour-and-structure-of-dicyanate-epoxy-novolac-blends/ # CURE BEHAVIOUR AND STRUCTURE OF DICYANATE-EPOXY NOVOLAC BLENDS > Title: CURE BEHAVIOUR AND STRUCTURE OF DICYANATE-EPOXY NOVOLAC BLENDS Page Range: p.237-248 Author(s): Guo B; Fu W; Jia D; Qiu Q; Wang L File size: 227K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/cure-behaviour-and-structure-of-dicyanate-epoxy-novolac-blends/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CURE BEHAVIOUR AND STRUCTURE OF DICYANATE-EPOXY NOVOLAC BLENDS** Page Range: p.237-248 Author(s): Guo B; Fu W; Jia D; Qiu Q; Wang L File size: 227K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100016&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** The objectives of this work are to investigate the cure behaviour and structure of bisphenol A dicyanate-novolac epoxy blends. The cure characteristics were investigated by gel time determination and dynamic DSC. To disclose the structural differences between cured cyanate-novolac epoxy blends and more traditional cyanate-diglycidyl ether systems, FTIR investigations were performed on the two kinds of blends, and in situ FTIR was used to examine the Bauer mechanism. The effects of epoxy concentration in the blend on the cure kinetics was investigated using two blends with different molar ratios, and in situ FTIR. 33 refs. --- --- Source: https://polymerjournals.com/improvement-of-the-fracture-behaviour-of-polybutyleneterephthalate-modified-by-highly-dispersed-metals/ # IMPROVEMENT OF THE FRACTURE BEHAVIOUR OF POLYBUTYLENETEREPHTHALATE MODIFIED BY HIGHLY DISPERSED METALS > Title: IMPROVEMENT OF THE FRACTURE BEHAVIOUR OF POLYBUTYLENETEREPHTHALATE MODIFIED BY HIGHLY DISPERSED METALS Page Range: p.249-256 Author(s): Ozden S; Borukayev T A; Mashukov N I; Mikitayev A K File size: 81K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/improvement-of-the-fracture-behaviour-of-polybutyleneterephthalate-modified-by-highly-dispersed-metals/ Published: 2002-03-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: IMPROVEMENT OF THE FRACTURE BEHAVIOUR OF POLYBUTYLENETEREPHTHALATE MODIFIED BY HIGHLY DISPERSED METALS** Page Range: p.249-256 Author(s): Ozden S; Borukayev T A; Mashukov N I; Mikitayev A K File size: 81K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-3&JournalID=100017&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 3 **Abstract** The failure mechanism of PBTP was improved by the addition of highly dispersed iron/iron oxide to the polymer. The mechanical behaviour of the materials under impact was investigated, and the addition of highly dispersed iron particles was shown to stabilise the failure mechanism of PBTP and improve its mechanical properties. This was attributed to increased interphases between crystalline and amorphous phases, decreased crystalline size, increased network entanglement density and decreased critical structural defect length. 14 refs. --- --- Source: https://polymerjournals.com/thermal-stability-and-degradation-of-thermally-stable-prepolymers-under-controlled-atmosphere-iv-thermal-stability-and-degradation-of-cross-linked-systems-prepared-from-cyanate-monomers/ # THERMAL STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS UNDER CONTROLLED ATMOSPHERE. IV- THERMAL STABILITY AND DEGRADATION OF CROSS-LINKED SYSTEMS PREPARED FROM CYANATE MONOMERS > Title: THERMAL STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS UNDER CONTROLLED ATMOSPHERE. IV- THERMAL STABILITY AND DEGRADATION OF CROSS-LINKED SYSTEMS PREPARED FROM CYANATE MONOMERS Page Range: p.103-120 Author(s): Richer S; Alamercery S; Raffin G; Sanglar C; Waton H; Grenier-Loustalot M F File... Canonical URL: https://polymerjournals.com/thermal-stability-and-degradation-of-thermally-stable-prepolymers-under-controlled-atmosphere-iv-thermal-stability-and-degradation-of-cross-linked-systems-prepared-from-cyanate-monomers/ Published: 2002-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: THERMAL STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS UNDER CONTROLLED ATMOSPHERE. IV- THERMAL STABILITY AND DEGRADATION OF CROSS-LINKED SYSTEMS PREPARED FROM CYANATE MONOMERS** Page Range: p.103-120 Author(s): Richer S; Alamercery S; Raffin G; Sanglar C; Waton H; Grenier-Loustalot M F File size: 205K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100007&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 2 **Abstract** A study is reported on the thermal degradation of cyanate prepolymers and corresponding materials prepared in the molten state by the homopolymerisation of monomers in a controlled atmosphere, (nitrogen), and in the temperature range of 100 to 500 degrees C. Degradation mechanisms are proposed for these materials based on the analysis of physicochemical data obtained by DSC, TGA, gas chromatography-mass spectrometry, and Fourier transform infrared spectroscopy of volatile organic compounds and residues after the thermal cycle. The degradation mechanisms are shown to be dependent on the structure of the carbon skeleton. 8 refs. --- --- Source: https://polymerjournals.com/neoalkoxy-titanate-and-zirconate-coupling-agent-additives-in-thermoplastics/ # NEOALKOXY TITANATE AND ZIRCONATE COUPLING AGENT ADDITIVES IN THERMOPLASTICS > Title: NEOALKOXY TITANATE AND ZIRCONATE COUPLING AGENT ADDITIVES IN THERMOPLASTICS Page Range: p.121-172 Author(s): Monte S J File size: 374K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No.... Canonical URL: https://polymerjournals.com/neoalkoxy-titanate-and-zirconate-coupling-agent-additives-in-thermoplastics/ Published: 2002-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: NEOALKOXY TITANATE AND ZIRCONATE COUPLING AGENT ADDITIVES IN THERMOPLASTICS** Page Range: p.121-172 Author(s): Monte S J File size: 374K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100008&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 2 **Abstract** A comprehensive review is presented of neoalkoxy titanate and neoalkoxy zirconate coupling agent additives in thermoplastics. Titanates are compared to silanes, and titanate retractability with substrates such as calcium carbonate, carbon black and organic substrates is demonstrated. The superiority of titanates over silanes on silane retractable substrates is shown with respect to filler coupling and polymer catalysis mechanisms. Improvements in properties and cycle times are illustrated by means of application examples. References from literature searches are further discussed. 54 refs. --- --- Source: https://polymerjournals.com/processing-and-properties-of-polypropylene-composites-with-high-filler-content/ # PROCESSING AND PROPERTIES OF POLYPROPYLENE COMPOSITES WITH HIGH FILLER CONTENT > Title: PROCESSING AND PROPERTIES OF POLYPROPYLENE COMPOSITES WITH HIGH FILLER CONTENT Page Range: p.173-182 Author(s): Ren Z; Shanks R A; Rook T J File size: 163K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/processing-and-properties-of-polypropylene-composites-with-high-filler-content/ Published: 2002-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROCESSING AND PROPERTIES OF POLYPROPYLENE COMPOSITES WITH HIGH FILLER CONTENT** Page Range: p.173-182 Author(s): Ren Z; Shanks R A; Rook T J File size: 163K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100009&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 2 **Abstract** Tests were carried out on highly filled PP composites with varying filler contents up to 70 wt.%. The fillers used were calcium carbonate, talc and barium sulphate. These underwent surface modification with titanate or silicone. Such surface modification of the fillers facilitated extrusion, and reduced brittleness, while providing hard composites with high density. Tensile properties were measured and related to the composition, filler type and surface treatment. 10 refs. --- --- Source: https://polymerjournals.com/modification-of-polypropylene-by-blending-with-oligopinene/ # MODIFICATION OF POLYPROPYLENE BY BLENDING WITH OLIGOPINENE > Title: MODIFICATION OF POLYPROPYLENE BY BLENDING WITH OLIGOPINENE Page Range: p.183-188 Author(s): Mendes L C; Martins B B B File size: 94K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue... Canonical URL: https://polymerjournals.com/modification-of-polypropylene-by-blending-with-oligopinene/ Published: 2002-02-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MODIFICATION OF POLYPROPYLENE BY BLENDING WITH OLIGOPINENE** Page Range: p.183-188 Author(s): Mendes L C; Martins B B B File size: 94K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-2&JournalID=100010&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 2 **Abstract** The aim of this work is to find a new material by blending PP with oligopinene resins in order to modify the mechanical, adhesive, permeability and sealing properties of PP and to find ways of increasing the usage of pinene oligomers. Changes in the physical properties, melting behaviour and morphology of PP blended with low molar mass oligopinene resin were evaluated. When the amount of oligopinene increased n the blends, the elastic modulus, stress at break, hardness and density all increase, while the elongation at break shows an abrupt drop because of the hard-brittle nature of the oligomer. The blend changes its behaviour from ductile to brittle above 10%-wt. of the oligomer. SEM results indicate that the oligopinene phase is located mainly in the intraspherulitic regions of the PP. 13 refs. --- --- Source: https://polymerjournals.com/permanent-transparent-non-blooming-and-non-hygroscopic-antistatic-agents-based-on-combined-neoalkoxy-organometallics/ # PERMANENT, TRANSPARENT, NON-BLOOMING AND NON-HYGROSCOPIC ANTISTATIC AGENTS BASED ON COMBINED NEOALKOXY ORGANOMETALLICS > Title: PERMANENT, TRANSPARENT, NON-BLOOMING AND NON-HYGROSCOPIC ANTISTATIC AGENTS BASED ON COMBINED NEOALKOXY ORGANOMETALLICS Page Range: p.1-32 Author(s): Monte S J File size: 959K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10... Canonical URL: https://polymerjournals.com/permanent-transparent-non-blooming-and-non-hygroscopic-antistatic-agents-based-on-combined-neoalkoxy-organometallics/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PERMANENT, TRANSPARENT, NON-BLOOMING AND NON-HYGROSCOPIC ANTISTATIC AGENTS BASED ON COMBINED NEOALKOXY ORGANOMETALLICS** Page Range: p.1-32 Author(s): Monte S J File size: 959K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=99999&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** A new class of antistatic agents are used to prepare antistatic polymer compositions via treatment with selected combinations of neoalkoxy titanates and zirconates and trineoalkoxy zirconates. They are added in minor amounts during compounding to form non-blooming, bipolar layers of dissimilar organometallics, creating a surface and volume electron-transfer circuit, which results in an antistatic effect that works independently of atmospheric moisture. These materials are soluble in, but not limited to polyolefins, polyesters, polystyrenes, polyurethanes, vinyls, elastomers, solvent and waterborne acrylics and coatings, and remain stable during processing. The relative merits and inherent chemistries of the different antistatic agents are discussed, and application data are included for the new organometallic materials. The discussion includes definitions, conventional antistatic chemistry, and methods of improving efficiency of conductive particulates through coupling and catalysis. 19 refs. --- --- Source: https://polymerjournals.com/halogenated-and-non-halogenated-flame-retardant-additives-in-polypropylene-pp-homopolymer-for-battery-applications/ # HALOGENATED AND NON-HALOGENATED FLAME RETARDANT ADDITIVES IN POLYPROPYLENE (PP) HOMOPOLYMER FOR BATTERY APPLICATIONS > Title: HALOGENATED AND NON-HALOGENATED FLAME RETARDANT ADDITIVES IN POLYPROPYLENE (PP) HOMOPOLYMER FOR BATTERY APPLICATIONS Page Range: p.33-36 Author(s): Rangaprasad R; Rangen K; Vasudeo Y B File size: 374K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/halogenated-and-non-halogenated-flame-retardant-additives-in-polypropylene-pp-homopolymer-for-battery-applications/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HALOGENATED AND NON-HALOGENATED FLAME RETARDANT ADDITIVES IN POLYPROPYLENE (PP) HOMOPOLYMER FOR BATTERY APPLICATIONS** Page Range: p.33-36 Author(s): Rangaprasad R; Rangen K; Vasudeo Y B File size: 374K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100000&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** Experimental work is described to develop flame retardant PP using halogenated and halogen-free additives, to meet V0 requirements according to the UL94 standard for the manufacture of injection moulded battery cases, and to study the effects of the flame retardant on the mechanical properties of PP. The batteries investigated are used as back-up units in the telecommunications industries, and use sulphuric acid as the electrolyte. The effect of flame retardant additives on the heat sealing properties is also investigated. --- --- Source: https://polymerjournals.com/antioxidants-as-sources-of-plastics-discoloration-structural-effects/ # ANTIOXIDANTS AS SOURCES OF PLASTICS DISCOLORATION: STRUCTURAL EFFECTS > Title: ANTIOXIDANTS AS SOURCES OF PLASTICS DISCOLORATION: STRUCTURAL EFFECTS Page Range: p.37-48 Author(s): Pospisil J; Habicher W D; Zweifel H; Pilar J; Nespurek S; Piringer O G File size: 534K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/antioxidants-as-sources-of-plastics-discoloration-structural-effects/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANTIOXIDANTS AS SOURCES OF PLASTICS DISCOLORATION: STRUCTURAL EFFECTS** Page Range: p.37-48 Author(s): Pospisil J; Habicher W D; Zweifel H; Pilar J; Nespurek S; Piringer O G File size: 534K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100001&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** The sacrificial transformation of antioxidants is an inevitable consequence of their active role in the protection of plastics from oxidation. The process results in various new products, some of which are responsible for the discoloration of plastics. The chemical structures of the principal colourants arising from phenolic and aromatic amine antioxidants and phenolic UV absorbers are outlined. 23 refs. --- --- Source: https://polymerjournals.com/siloxanes-as-additives-for-plastics/ # SILOXANES AS ADDITIVES FOR PLASTICS > Title: SILOXANES AS ADDITIVES FOR PLASTICS Page Range: p.49-62 Author(s): Stadtmueller S File size: 906K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 Abstract The use is... Canonical URL: https://polymerjournals.com/siloxanes-as-additives-for-plastics/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SILOXANES AS ADDITIVES FOR PLASTICS** Page Range: p.49-62 Author(s): Stadtmueller S File size: 906K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100002&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** The use is discussed of organomodified siloxanes as additives for plastics for use as modifiers and process aids. The products, due to their modification, combine the efficiency of silicone oils with good compatibility with polymeric resins, and depending on the nature of the organic moiety and the overall molecular weight, organomodified siloxanes can be adapted to special applications within polymers. Functions range from performance additives, lubricants or dispersing agents, as in filled compounds, to surface modifying additives to improve characteristics such as scratch resistance. An evaluation is made of various filled and unfilled PP compounds containing representatives of such organomodified siloxanes processed via extrusion, injection and blow moulding. It was demonstrated that process parameters such as energy consumption, pressure build up and output rate on a twin-screw extrusion line could be increased, and a positive influence on surface properties obtained. 12 refs. --- --- Source: https://polymerjournals.com/specific-conductive-carbon-blacks-in-plastics-applications/ # SPECIFIC CONDUCTIVE CARBON BLACKS IN PLASTICS APPLICATIONS > Title: SPECIFIC CONDUCTIVE CARBON BLACKS IN PLASTICS APPLICATIONS Page Range: p.63-72 Author(s): Van Bellingen C; Probst N; Grivei E File size: 751K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue... Canonical URL: https://polymerjournals.com/specific-conductive-carbon-blacks-in-plastics-applications/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SPECIFIC CONDUCTIVE CARBON BLACKS IN PLASTICS APPLICATIONS** Page Range: p.63-72 Author(s): Van Bellingen C; Probst N; Grivei E File size: 751K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100003&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** Features are described of high structure/low surface area/low surface activity conductive carbon blacks used in plastics applications, with particular reference to grades of Enasco conductive carbon blacks from Erachem Europe. These products can be used at low loadings and with ease of compounding to impart properties to plastics. They are claimed to provide a new generation of compounds which offer a specific balance of compounding, mechanical, flow and conductive properties. 8 refs. --- --- Source: https://polymerjournals.com/analysing-the-content-of-antioxidants-in-pp-materials/ # ANALYSING THE CONTENT OF ANTIOXIDANTS IN PP MATERIALS > Title: ANALYSING THE CONTENT OF ANTIOXIDANTS IN PP MATERIALS Page Range: p.73-82 Author(s): Schroeder H F; Zeynalov E B; Bahr H; Rybak T File size: 518K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/analysing-the-content-of-antioxidants-in-pp-materials/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANALYSING THE CONTENT OF ANTIOXIDANTS IN PP MATERIALS** Page Range: p.73-82 Author(s): Schroeder H F; Zeynalov E B; Bahr H; Rybak T File size: 518K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100004&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** Evidence is presented that the model reaction of the initiated oxidation of cumene can be used for the simultaneous determination of phenolic and hindered amine functionalities of stabilisers, with particular reference to Chimassorb 119 and 944 grades. The condition of the stabiliser is useful for assessing the consumption of stabilisers by different processes during the production, storage, weathering and service life, and is therefor important in the compounding of durable products for recycling and in critical applications. The established dependence offers a way of determining the effective concentration of the active groups of HAS and SHPh stabilisers in polyolefin formulations by means of one model reaction. 30 refs. --- --- Source: https://polymerjournals.com/use-of-post-life-waste-and-production-waste-in-thermoplastic-polymer-compositions/ # USE OF POST-LIFE WASTE AND PRODUCTION WASTE IN THERMOPLASTIC POLYMER COMPOSITIONS > Title: USE OF POST-LIFE WASTE AND PRODUCTION WASTE IN THERMOPLASTIC POLYMER COMPOSITIONS Page Range: p.83-92 Author(s): Kowalska E; Wielgosz Z; Pelka J File size: 746K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc... Canonical URL: https://polymerjournals.com/use-of-post-life-waste-and-production-waste-in-thermoplastic-polymer-compositions/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: USE OF POST-LIFE WASTE AND PRODUCTION WASTE IN THERMOPLASTIC POLYMER COMPOSITIONS** Page Range: p.83-92 Author(s): Kowalska E; Wielgosz Z; Pelka J File size: 746K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100005&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** The management of waste rubbers and plastics and waste from the production of fertiliser phosphogypsum is discussed with reference to their re-use in blends with virgin and recycled polymers. The novel polymer compositions are used to make porous pipes, vehicle parts, flooring, road safety and traffic control equipment, sound absorbing motorway screens, packing in biological wastewater treatment, and biodegradable flower pots, buckets, fencing and similar profiles. Formulations and properties are tabulated. --- --- Source: https://polymerjournals.com/revolutionary-light-stabiliser-system-for-polyolefins-and-other-resins/ # REVOLUTIONARY LIGHT STABILISER SYSTEM FOR POLYOLEFINS AND OTHER RESINS > Title: REVOLUTIONARY LIGHT STABILISER SYSTEM FOR POLYOLEFINS AND OTHER RESINS Page Range: p.93-100 Author(s): Arnaboldi P; Davis L; Samuels S-B; Zenner J M; Vulic I File size: 751K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/revolutionary-light-stabiliser-system-for-polyolefins-and-other-resins/ Published: 2002-01-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: REVOLUTIONARY LIGHT STABILISER SYSTEM FOR POLYOLEFINS AND OTHER RESINS** Page Range: p.93-100 Author(s): Arnaboldi P; Davis L; Samuels S-B; Zenner J M; Vulic I File size: 751K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc10-1&JournalID=100006&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 10 Issue No: No. 1 **Abstract** Cytec has developed a new class of light stabilisers which are claimed to provide an extraordinary efficiency in polyolefin systems beyond what is afforded by current state-of-the-art hindered amine light stabiliser (HALS) technology. At equivalent or reduced stabiliser loading, the systems are demonstrated to extend the UV stability of thick section PE and PP. In addition, aesthetic properties such as colour and gloss are improved. The superior performance properties of the new high efficiency light stabilisers, UV-4611 and UV-6435 are shown in studies involving LLDPE, HDPE, and PP. 15 refs. --- --- Source: https://polymerjournals.com/comparison-of-the-mechanical-behaviour-of-weft-knitted-glass-and-carbon-fibre-fabric-reinforced-polyamide-12-composites-produced-with-commingled-staple-yarns/ # COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS > Title: COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS Page Range: p.491-498 Author(s): Czigany T; Karger-Kocsis J File size: 150K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/comparison-of-the-mechanical-behaviour-of-weft-knitted-glass-and-carbon-fibre-fabric-reinforced-polyamide-12-composites-produced-with-commingled-staple-yarns/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: COMPARISON OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED GLASS AND CARBON FIBRE FABRIC-REINFORCED POLYAMIDE-12 COMPOSITES PRODUCED WITH COMMINGLED STAPLE YARNS** Page Range: p.491-498 Author(s): Czigany T; Karger-Kocsis J File size: 150K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99991&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** A study is reported which compares the mechanical performance of plain weft knitted glass fibre fabric- and carbon fibre fabric-polyamide-12 composites at the same reinforcement content. The composite sheets were produced by hot pressing knit layers consisting of staple glass and polyamide-12 and carbon fibre and PA-12 fibres, respectively. Testing was carried out under both static, (tensile, flexural) and dynamic (perforation impact) conditions. Mechanical anisotropy and large differences between the stiffness and strength due to tensile and flexural loading were attributed to the structure of the knits ('unbalanced' reinforcement) and their non-planar structure in the composite sheets. The carbon fibre-reinforced composite was shown to outperform the glass fibre version both under static and dynamic loading, due to the high strength of the carbon fibre and the good interfacial bonding between the carbon fibre and the PA-12 matrix. 14 refs. --- --- Source: https://polymerjournals.com/analysis-of-microdroplet-test-effects-of-specimen-geometry-matrix-type-fibre-treatment-and-water-ageing/ # ANALYSIS OF MICRODROPLET TEST: EFFECTS OF SPECIMEN GEOMETRY, MATRIX TYPE, FIBRE TREATMENT AND WATER AGEING > Title: ANALYSIS OF MICRODROPLET TEST: EFFECTS OF SPECIMEN GEOMETRY, MATRIX TYPE, FIBRE TREATMENT AND WATER AGEING Page Range: p.499-508 Author(s): Hodzic A; Stachurski Z H; Kim J K File size: 332K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/analysis-of-microdroplet-test-effects-of-specimen-geometry-matrix-type-fibre-treatment-and-water-ageing/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANALYSIS OF MICRODROPLET TEST: EFFECTS OF SPECIMEN GEOMETRY, MATRIX TYPE, FIBRE TREATMENT AND WATER AGEING** Page Range: p.499-508 Author(s): Hodzic A; Stachurski Z H; Kim J K File size: 332K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99992&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** The microdroplet test as a means of characterising the interfacial bond strength in fibrous composite materials is analysed and the effects of specimen geometry, matrix type, fibre treatment and water ageing are investigated. Three thermosetting resins were applied to silane coated and acetone washed glass fibres in order to examine the influence of the silane coupling agent on the fibre-matrix bond. The systems were also aged in water at room temperature for periods of 3, 6, and 10 weeks, and the influence of the water degradation on the fibre-matrix bond is investigated for both groups of glass fibres. Results of the testing indicate that the microdroplet test can reliably be used as a measurement tool in fibre-matrix adhesion testing. 15 refs. --- --- Source: https://polymerjournals.com/phase-morphology-and-dynamic-mechanical-properties-of-model-polyblock-copolymers-prepared-from-reactive-oligomers/ # PHASE MORPHOLOGY AND DYNAMIC MECHANICAL PROPERTIES OF MODEL POLYBLOCK COPOLYMERS PREPARED FROM REACTIVE OLIGOMERS > Title: PHASE MORPHOLOGY AND DYNAMIC MECHANICAL PROPERTIES OF MODEL POLYBLOCK COPOLYMERS PREPARED FROM REACTIVE OLIGOMERS Page Range: p.509-514 Author(s): Busko N A; Grishchenko V K; Shtompel V I; Babkina N V; Rosvitsky V F; Privalko V P File size: 88K Download the... Canonical URL: https://polymerjournals.com/phase-morphology-and-dynamic-mechanical-properties-of-model-polyblock-copolymers-prepared-from-reactive-oligomers/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHASE MORPHOLOGY AND DYNAMIC MECHANICAL PROPERTIES OF MODEL POLYBLOCK COPOLYMERS PREPARED FROM REACTIVE OLIGOMERS** Page Range: p.509-514 Author(s): Busko N A; Grishchenko V K; Shtompel V I; Babkina N V; Rosvitsky V F; Privalko V P File size: 88K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99993&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** Model block copolymers based on styrene and an oligomeric azo-initiator and synthesised by sequential and simultaneous photoinitiated polymerisation were characterised by small angle X-ray scattering and dynamic mechanical analysis. The molar mass characteristics of the block copolymer were shown to be little affected by the method of synthesis, whereas their morphologies and mechanical behaviour in the bulk state were widely different. Glass-rubber transitions of the microphases of each chain component for samples of copolymers produced by simultaneous polymerisation were indicated by SAXS peaks and are claimed to provide evidence of a well-ordered, three-dimensional lattice of isolated styrene domains within a continuous polymer matrix. In contrast, the absence of well-defined SAXS peaks in the same range of scattering vectors for samples synthesised by sequential polymerisation, suggested the existence, it is claimed, of two co-continuous, randomly interpenetrated microphases of styrene and oligomer blocks with a broad distribution of microheterogeneities by size. 13 refs. --- --- Source: https://polymerjournals.com/repairing-broken-thermoset-pieces-using-diffusional-pretreatment-and-cure-with-uncured-resin/ # REPAIRING BROKEN THERMOSET PIECES USING DIFFUSIONAL PRETREATMENT AND CURE WITH UNCURED RESIN > Title: REPAIRING BROKEN THERMOSET PIECES USING DIFFUSIONAL PRETREATMENT AND CURE WITH UNCURED RESIN Page Range: p.515-522 Author(s): Abdelouahab J B; Bouardi A E; Granger R; Vergnaud J M File size: 106K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/repairing-broken-thermoset-pieces-using-diffusional-pretreatment-and-cure-with-uncured-resin/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: REPAIRING BROKEN THERMOSET PIECES USING DIFFUSIONAL PRETREATMENT AND CURE WITH UNCURED RESIN** Page Range: p.515-522 Author(s): Abdelouahab J B; Bouardi A E; Granger R; Vergnaud J M File size: 106K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99994&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** A method to repair a broken moulded thermoset piece is described. It involves the use of an unsaturated polyester in a two stage procedure. The first involves putting pure resin on the surface of the broken piece over a period of time and then putting this pre-treated piece in the mould in which it was originally, with fresh uncured thermoset made of pure resin with fibreglass and filler, to fill the mould and then curing it. The pretreatment resin on the surface of the broken piece is in contact with the fresh uncured thermoset. The mechanical properties in elongation and flexion of the final material are measured, and it appears that not only is the diffusion of pure resin into the part responsible for an increase in mechanical properties, but also that the time of diffusion is influential. 12 refs. --- --- Source: https://polymerjournals.com/effect-of-methacrylic-acid-on-the-mechanical-properties-of-peroxide-cured-sbr-vulcanizates-filled-with-aluminium-trioxide/ # EFFECT OF METHACRYLIC ACID ON THE MECHANICAL PROPERTIES OF PEROXIDE-CURED SBR VULCANIZATES FILLED WITH ALUMINIUM TRIOXIDE > Title: EFFECT OF METHACRYLIC ACID ON THE MECHANICAL PROPERTIES OF PEROXIDE-CURED SBR VULCANIZATES FILLED WITH ALUMINIUM TRIOXIDE Page Range: p.523-530 Author(s): Yin D; Zhang Y; Zhang Y; Peng Z File size: 223K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal:... Canonical URL: https://polymerjournals.com/effect-of-methacrylic-acid-on-the-mechanical-properties-of-peroxide-cured-sbr-vulcanizates-filled-with-aluminium-trioxide/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF METHACRYLIC ACID ON THE MECHANICAL PROPERTIES OF PEROXIDE-CURED SBR VULCANIZATES FILLED WITH ALUMINIUM TRIOXIDE** Page Range: p.523-530 Author(s): Yin D; Zhang Y; Zhang Y; Peng Z File size: 223K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99995&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** Methacrylic acid, (MAA) was used as an additive for the modification of peroxide-cured SBR highly filled with aluminium trioxide flame retardant filler. Experimental results indicate that the introduction of MAA can improve the mechanical properties of the SBR vulcanisates, and that the mechanical properties of the SBR vulcanisates depend greatly on the MAA and aluminium trioxide contents. The oxygen index of the SBR vulcanisate depends on the aluminium trioxide content and is shown to be less dependent on the MAA content. Scanning electron microscopy shows the changes in the fractured surfaces of the aluminium trioxide filled SBR vulcanisates after the addition of MAA, which is claimed to be related to the changes in mechanical properties. 14 refs. --- --- Source: https://polymerjournals.com/kinetics-of-zinc-octoate-nonylphenol-catalysed-thermal-cure-of-bisphenol-a-dicyanate/ # KINETICS OF ZINC OCTOATE/NONYLPHENOL CATALYSED THERMAL CURE OF BISPHENOL A DICYANATE > Title: KINETICS OF ZINC OCTOATE/NONYLPHENOL CATALYSED THERMAL CURE OF BISPHENOL A DICYANATE Page Range: p.531-540 Author(s): Nair C P R; Gopalakrishnan C; Ninan K N File size: 128K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/kinetics-of-zinc-octoate-nonylphenol-catalysed-thermal-cure-of-bisphenol-a-dicyanate/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: KINETICS OF ZINC OCTOATE/NONYLPHENOL CATALYSED THERMAL CURE OF BISPHENOL A DICYANATE** Page Range: p.531-540 Author(s): Nair C P R; Gopalakrishnan C; Ninan K N File size: 128K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99996&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** This study focuses on the detailed kinetics of the catalysed cure of bisphenol A dicyanate (BACY) using zinc octoate/nonylphenol catalyst system and DSC techniques with different analytical approaches. It principally examines the dependency of the kinetic parameters on the catalyst concentration. The data derived, have been used to predict the isothermal cure profile of BACY at different conditions of temperature and catalyst concentration. 31 refs. --- --- Source: https://polymerjournals.com/anisotropic-behaviour-of-knitted-glass-fibre-epoxy-composites-under-compressive-and-shear-loading/ # ANISOTROPIC BEHAVIOUR OF KNITTED GLASS FIBRE/EPOXY COMPOSITES UNDER COMPRESSIVE AND SHEAR LOADING > Title: ANISOTROPIC BEHAVIOUR OF KNITTED GLASS FIBRE/EPOXY COMPOSITES UNDER COMPRESSIVE AND SHEAR LOADING Page Range: p.541-548 Author(s): Xu D; Huang Z; Ramakrishna S File size: 274K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/anisotropic-behaviour-of-knitted-glass-fibre-epoxy-composites-under-compressive-and-shear-loading/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANISOTROPIC BEHAVIOUR OF KNITTED GLASS FIBRE/EPOXY COMPOSITES UNDER COMPRESSIVE AND SHEAR LOADING** Page Range: p.541-548 Author(s): Xu D; Huang Z; Ramakrishna S File size: 274K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99997&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** The anisotropic behaviour of plain and weft knitted glass fibre fabric epoxy composites, oriented at different off-axial angles and subjected to compressive and shear loads is investigated. An analytical model is applied to calculate the compressive strength at nay off-axial angle, by using three critical strength parameters: compressive strengths of 0 and 90 degrees, and the shear strength of 0 degrees. 15 refs. --- --- Source: https://polymerjournals.com/effect-of-kenaf-fibres-on-the-properties-of-natural-rubber-vulcanizates/ # EFFECT OF KENAF FIBRES ON THE PROPERTIES OF NATURAL RUBBER VULCANIZATES > Title: EFFECT OF KENAF FIBRES ON THE PROPERTIES OF NATURAL RUBBER VULCANIZATES Page Range: p.549-560 Author(s): El-Sabbagh S H; El-Hariri D M; El-Ghaffar M A A File size: 458K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/effect-of-kenaf-fibres-on-the-properties-of-natural-rubber-vulcanizates/ Published: 2001-08-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF KENAF FIBRES ON THE PROPERTIES OF NATURAL RUBBER VULCANIZATES** Page Range: p.549-560 Author(s): El-Sabbagh S H; El-Hariri D M; El-Ghaffar M A A File size: 458K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-8&JournalID=99998&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 8 **Abstract** The mechanical properties and swelling behaviour of natural rubber vulcanisates loaded with kenaf fibres were studied using hydrated silica, resorcinol and hexamethylene tetramine as the adhesion system, and are compared with those of NR composites loaded wit synthetic polyester short fibres. The effect of fibre content on these mechanical properties were also studied before and after ageing, and scanning electron microscopy was used to investigate the surface texture of unreinforced and reinforced vulcanisates. 23 refs. --- --- Source: https://polymerjournals.com/heat-stability-and-degradation-of-thermally-stable-prepolymers-in-a-controlled-atmosphere-iii-thermal-homopolymerization-cycle-of-dicyanate-monomers-and-physicochemical-characterization-of-the-cross/ # HEAT STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS IN A CONTROLLED ATMOSPHERE. III. THERMAL HOMOPOLYMERIZATION CYCLE OF DICYANATE MONOMERS AND PHYSICOCHEMICAL CHARACTERIZATION OF THE CROSSLINKED SYSTEM > Title: HEAT STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS IN A CONTROLLED ATMOSPHERE. III. THERMAL HOMOPOLYMERIZATION CYCLE OF DICYANATE MONOMERS AND PHYSICOCHEMICAL CHARACTERIZATION OF THE CROSSLINKED SYSTEM Page Range: p.431-448 Author(s): Richer S; Alamercery S; Delolme F; Dessalces G; Paisse O; Raffin... Canonical URL: https://polymerjournals.com/heat-stability-and-degradation-of-thermally-stable-prepolymers-in-a-controlled-atmosphere-iii-thermal-homopolymerization-cycle-of-dicyanate-monomers-and-physicochemical-characterization-of-the-cross/ Published: 2001-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HEAT STABILITY AND DEGRADATION OF THERMALLY STABLE PREPOLYMERS IN A CONTROLLED ATMOSPHERE. III. THERMAL HOMOPOLYMERIZATION CYCLE OF DICYANATE MONOMERS AND PHYSICOCHEMICAL CHARACTERIZATION OF THE CROSSLINKED SYSTEM** Page Range: p.431-448 Author(s): Richer S; Alamercery S; Delolme F; Dessalces G; Paisse O; Raffin G; Sanglar C; Waton H; Grenier-Loustalot M F File size: 325K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99985&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 7 **Abstract** The development is discussed of high temperature formulations containing cyanates for use in electronics and structural composites. In order to overcome difficulties relating to the use of thermally stable polymers, it was necessary to develop a hydrophobic matrix. After characterisation of the dicyanate monomers of bisphenol A and hexafluorobisphenol A, the molten state mechanisms and kinetics of homopolymerisation of the prepolymers were studied in order to characterise the side products formed during heat treatment. This was achieved by a detailed physicochemical study and by monitoring the changes over time in controlled conditions of temperature and atmosphere. Using a range of techniques for kinetic and mechanistic monitoring in solution and in the solid state after formation of the network, a thermal cycle was validated with respect to the optimal properties of the system. A comparative study of the chemical and thermal behaviour of the two monomers was carried out to determine the effect of the central pivot bond on the thermal properties of the crosslinked materials. 21 refs. --- --- Source: https://polymerjournals.com/microstructural-characterisation-of-a-syntactic-foam/ # MICROSTRUCTURAL CHARACTERISATION OF A SYNTACTIC FOAM > Title: MICROSTRUCTURAL CHARACTERISATION OF A SYNTACTIC FOAM Page Range: p.449-458 Author(s): Lawrence E; Wulfsohn D; Pyrz R File size: 159K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No.... Canonical URL: https://polymerjournals.com/microstructural-characterisation-of-a-syntactic-foam/ Published: 2001-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MICROSTRUCTURAL CHARACTERISATION OF A SYNTACTIC FOAM** Page Range: p.449-458 Author(s): Lawrence E; Wulfsohn D; Pyrz R File size: 159K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99986&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 7 **Abstract** The use of design based stereological methods to quantify the microstructure of syntactic foam, including the interpretation of statistical results for the design of the experimental protocol is presented. The foam, formed by extrusion, consisted of hollow polymeric microballoons in a LDPE matrix. Estimates of cell volume fraction, number density and the mean and standard deviation of volumes of cells were made, and the distribution of cell aspect ratio was estimated, assuming ellipsoidal cells with the major axis in the direction of extrusion. 18 refs. --- --- Source: https://polymerjournals.com/effect-of-the-vulcanizing-system-of-cure-and-mechanical-properties-of-nbr-epdm-blends/ # EFFECT OF THE VULCANIZING SYSTEM OF CURE AND MECHANICAL PROPERTIES OF NBR/EPDM BLENDS > Title: EFFECT OF THE VULCANIZING SYSTEM OF CURE AND MECHANICAL PROPERTIES OF NBR/EPDM BLENDS Page Range: p.459-468 Author(s): Oliveira M G; Soares B G File size: 100K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/effect-of-the-vulcanizing-system-of-cure-and-mechanical-properties-of-nbr-epdm-blends/ Published: 2001-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF THE VULCANIZING SYSTEM OF CURE AND MECHANICAL PROPERTIES OF NBR/EPDM BLENDS** Page Range: p.459-468 Author(s): Oliveira M G; Soares B G File size: 100K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99987&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 7 **Abstract** The effect is investigated of the choice of vulcanising system on the curing parameters and mechanical properties of NBR/EPDM blends. The curing characteristics of the blends were shown to be affected by the accelerator type and the sulphur concentration. Sulphur/benzothiazyl-disulphide and single and binary accelerator systems based on tetramethyl thiuram disulphide were investigated. Higher thermal stability was achieved in blends containing higher levels of sulphur, due, it is thought, to increased crosslinking in the EPDM phase. Results of dynamic mechanical investigations showed differences in Tgs, which increased with increasing the sulphur contents in both vulcanising systems. 27 refs. --- --- Source: https://polymerjournals.com/synthesis-and-properties-of-polyacrylic-acid-montmorillonite-superabsorbent-composites/ # SYNTHESIS AND PROPERTIES OF POLY(ACRYLIC ACID)/MONTMORILLONITE SUPERABSORBENT COMPOSITES > Title: SYNTHESIS AND PROPERTIES OF POLY(ACRYLIC ACID)/MONTMORILLONITE SUPERABSORBENT COMPOSITES Page Range: p.469-472 Author(s): Lin J; Wu J; Yang Z; Pu M File size: 48K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/synthesis-and-properties-of-polyacrylic-acid-montmorillonite-superabsorbent-composites/ Published: 2001-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: SYNTHESIS AND PROPERTIES OF POLY(ACRYLIC ACID)/MONTMORILLONITE SUPERABSORBENT COMPOSITES** Page Range: p.469-472 Author(s): Lin J; Wu J; Yang Z; Pu M File size: 48K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99988&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 7 **Abstract** A novel superabsorbent polyacrylic acid/montmorillonite composite with absorbency of about 1100 times its own weight, was synthesised by graft copolymerising acrylic acid onto ultrafine montmorillonite powder. The influence is investigated of the amount of crosslinker, montmorillonite and the degree of neutralisation on the water absorbency of the composites. 6 refs. --- --- Source: https://polymerjournals.com/plastic-deformation-of-fibrous-polymers-via-weibull-model/ # PLASTIC DEFORMATION OF FIBROUS POLYMERS VIA WEIBULL MODEL > Title: PLASTIC DEFORMATION OF FIBROUS POLYMERS VIA WEIBULL MODEL Page Range: p.473-482 Author(s): Juhar G; Saqan S; Zihlif A M File size: 105K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9... Canonical URL: https://polymerjournals.com/plastic-deformation-of-fibrous-polymers-via-weibull-model/ Published: 2001-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PLASTIC DEFORMATION OF FIBROUS POLYMERS VIA WEIBULL MODEL** Page Range: p.473-482 Author(s): Juhar G; Saqan S; Zihlif A M File size: 105K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99989&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 7 **Abstract** A study is presented of the plastic deformation of Kevlar fibres, PAN-based carbon fibres and PP fibres of different gauge lengths. An attempt is reported to fit the Weibull model to the deformation behaviour of these fibrous polymers. A statistical analysis for the fibre strength and breaking strain is presented to test the experimental data relating to the fibre deformation. Mechanical parameters such as fibre strength, breaking strain and Young's modulus are studied as a function of gauge length. The output of the analysis is claimed to support the concept that the Weibull model is a good technique to specify the statistical distribution for strength and breaking strain of fibres, and is suitable to investigate the mechanical behaviour of fibrous polymeric materials in general. 16 refs. --- --- Source: https://polymerjournals.com/polymers-from-renewable-sources-effects-of-zinc-chloride-on-kinetics-of-gamma-irradiation-induced-grafting-of-styrene-and-acrylonitrile-oto-extracted-cellulose/ # POLYMERS FROM RENEWABLE SOURCES: EFFECTS OF ZINC CHLORIDE ON KINETICS OF GAMMA-IRRADIATION INDUCED GRAFTING OF STYRENE AND ACRYLONITRILE OTO EXTRACTED CELLULOSE > Title: POLYMERS FROM RENEWABLE SOURCES: EFFECTS OF ZINC CHLORIDE ON KINETICS OF GAMMA-IRRADIATION INDUCED GRAFTING OF STYRENE AND ACRYLONITRILE OTO EXTRACTED CELLULOSE Page Range: p.483-486 Author(s): Chauhan G S; Chauhan S; Guleria L K File size: 48K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/polymers-from-renewable-sources-effects-of-zinc-chloride-on-kinetics-of-gamma-irradiation-induced-grafting-of-styrene-and-acrylonitrile-oto-extracted-cellulose/ Published: 2001-07-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLYMERS FROM RENEWABLE SOURCES: EFFECTS OF ZINC CHLORIDE ON KINETICS OF GAMMA-IRRADIATION INDUCED GRAFTING OF STYRENE AND ACRYLONITRILE OTO EXTRACTED CELLULOSE** Page Range: p.483-486 Author(s): Chauhan G S; Chauhan S; Guleria L K File size: 48K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-7&JournalID=99990&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 7 **Abstract** Cellulose extracted from pine needles was graft copolymerised with styrene and acrylonitrile, and the effect of zinc chloride, when used as a complexing agent, on the grafting parameters was studied under optimum reaction conditions using the co-monomer concentration that gave the highest level of grafting. Zinc chloride is shown to affect the grafting on to cellulose, especially for polar monomers, by decreasing its crystallinity and making the backbone accessible to the reacting species. It also forms a donor-acceptor complex with polar monomers and hence activates them for grafting. Graft copolymers were characterised by elemental analysis and FTIR to provide evidence of grafting and to investigate the structure of the grafted chains. 6 refs. --- --- Source: https://polymerjournals.com/effect-of-polymerization-conditions-on-the-density-and-tg-of-bisphenol-a-and-hexafluoroisopropylidene-containing-polybenzoxazines/ # EFFECT OF POLYMERIZATION CONDITIONS ON THE DENSITY AND TG OF BISPHENOL-A AND HEXAFLUOROISOPROPYLIDENE-CONTAINING POLYBENZOXAZINES > Title: EFFECT OF POLYMERIZATION CONDITIONS ON THE DENSITY AND TG OF BISPHENOL-A AND HEXAFLUOROISOPROPYLIDENE-CONTAINING POLYBENZOXAZINES Page Range: p.367-376 Author(s): Kanchanasopa M; Yanumet N; Hemvichian K; Ishida H File size: 81K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and... Canonical URL: https://polymerjournals.com/effect-of-polymerization-conditions-on-the-density-and-tg-of-bisphenol-a-and-hexafluoroisopropylidene-containing-polybenzoxazines/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF POLYMERIZATION CONDITIONS ON THE DENSITY AND TG OF BISPHENOL-A AND HEXAFLUOROISOPROPYLIDENE-CONTAINING POLYBENZOXAZINES** Page Range: p.367-376 Author(s): Kanchanasopa M; Yanumet N; Hemvichian K; Ishida H File size: 81K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99978&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** The volumetric expansion of bisphenol-A and aniline-based benzoxazine is studied by comparing the room temperature density of the cured benzoxazine under different polymerisation conditions with the amorphous benzoxazine monomer. The Tg of aniline-based benzoxazine at various degrees of polymerisation is investigated by differential scanning calorimetry, and the degrees of conversion at different polymerisation temperatures were compared with the respective Tg temperatures. A fluorinated polybenzoxazine was synthesised from the ring opening polymerisation of hexafluoroisopropylidene-containing benzoxazine monomer. Properties of the fluorine-containing polymer were compared to those of non-fluorinated polybenzoxazine. The effect of fluorine incorporation on Tg temperature and thermal stability are examined. 29 refs. --- --- Source: https://polymerjournals.com/carbon-fibre-reinforced-polyphenylenesulphide-composite-coatings/ # CARBON FIBRE-REINFORCED POLY(PHENYLENESULPHIDE) COMPOSITE COATINGS > Title: CARBON FIBRE-REINFORCED POLY(PHENYLENESULPHIDE) COMPOSITE COATINGS Page Range: p.377-384 Author(s): Sugama T; Gawlik K File size: 76K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 Abstract The... Canonical URL: https://polymerjournals.com/carbon-fibre-reinforced-polyphenylenesulphide-composite-coatings/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: CARBON FIBRE-REINFORCED POLY(PHENYLENESULPHIDE) COMPOSITE COATINGS** Page Range: p.377-384 Author(s): Sugama T; Gawlik K File size: 76K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99979&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** The development is described of a high temperature, high performance corrosion resistant polymeric coating for carbon steel heat exchanger tubes used in geothermal binary-cycle power plants. In order to enhance the thermal conductivity and improve the mechanical properties of polyphenylene sulphide (PPS) used as the coating material, chopped carbon fibres were incorporated into the PPS matrix. Experiments were carried out on steel panels and it was established that 0.5 wt% of fibres was the most effective amount of fibres to minimise the rate of penetration of electrolytes through the composite coating films. Results of testing indicate hydrothermal stability in addition to corrosion resistance. The rough surface texture of the fibres provided mechanical interlocking bonds with the PPS matrix and such interfacial bonding is said to be responsible for the good mechanical properties of the composite film. 11 refs. --- --- Source: https://polymerjournals.com/evolution-of-damage-zone-in-adhesive-layer-of-adhesively-bonded-butt-joints-under-cyclic-loading/ # EVOLUTION OF DAMAGE ZONE IN ADHESIVE LAYER OF ADHESIVELY BONDED BUTT JOINTS UNDER CYCLIC LOADING > Title: EVOLUTION OF DAMAGE ZONE IN ADHESIVE LAYER OF ADHESIVELY BONDED BUTT JOINTS UNDER CYCLIC LOADING Page Range: p.385-392 Author(s): Imanaka M; Turui T; Akizuki Y File size: 165K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/evolution-of-damage-zone-in-adhesive-layer-of-adhesively-bonded-butt-joints-under-cyclic-loading/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVOLUTION OF DAMAGE ZONE IN ADHESIVE LAYER OF ADHESIVELY BONDED BUTT JOINTS UNDER CYCLIC LOADING** Page Range: p.385-392 Author(s): Imanaka M; Turui T; Akizuki Y File size: 165K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99980&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** The adhesive layer of a butt joint bonded by rubber-modified adhesive was observed under cyclic loading conditions using a microscopic video camera in transmitted light. Applying Gurson's constitutive equation to the adhesive layer, the elastic-plastic finite element analysis was performed to simulate the damage behaviour in the adhesive layer. It was established that the observed damage zone coincided with the high void fraction zone. These findings establish the modified Gurson model as a useful tool for the estimation of initiation and propagation of the damage zone in the adhesive layer. 15 refs. --- --- Source: https://polymerjournals.com/anisotropy-related-spring-in-of-angled-composite-shells/ # ANISOTROPY RELATED ‘SPRING-IN’ OF ANGLED COMPOSITE SHELLS > Title: ANISOTROPY RELATED 'SPRING-IN' OF ANGLED COMPOSITE SHELLS Page Range: p.393-402 Author(s): Ding Y; Chiu W K; Liu X L File size: 75K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9... Canonical URL: https://polymerjournals.com/anisotropy-related-spring-in-of-angled-composite-shells/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: ANISOTROPY RELATED 'SPRING-IN' OF ANGLED COMPOSITE SHELLS** Page Range: p.393-402 Author(s): Ding Y; Chiu W K; Liu X L File size: 75K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99981&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** A 3-D finite element analysis procedure was developed to predict spring-in resulting from anisotropy for both thin and thick angled composite shell structures.. It is believed that such distortion of curved or angled shell structures occurs mainly from the significant difference between the in-plane CTE and the through-thickness CTE during post cure cooling. The results of the FE analysis were evaluated together with those from the analytical study and experimental investigations. FE analysis was demonstrated to provide more accurate results than the analytical model, particularly for thicker composite shells. The corner radius effect, shell thickness effect and lay-up sequence effects on spring-in are discusses, together with the effect of tool/part interaction on the total distortion behaviour. 16 refs. --- --- Source: https://polymerjournals.com/evaluation-of-two-roll-mill-method-for-preparing-shot-glass-fibre-reinforced-nbr-phenolic-composites/ # EVALUATION OF TWO-ROLL MILL METHOD FOR PREPARING SHOT GLASS FIBRE REINFORCED NBR-PHENOLIC COMPOSITES > Title: EVALUATION OF TWO-ROLL MILL METHOD FOR PREPARING SHOT GLASS FIBRE REINFORCED NBR-PHENOLIC COMPOSITES Page Range: p.403-408 Author(s): Rezadoust A M; Esfandeh M File size: 91K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/evaluation-of-two-roll-mill-method-for-preparing-shot-glass-fibre-reinforced-nbr-phenolic-composites/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EVALUATION OF TWO-ROLL MILL METHOD FOR PREPARING SHOT GLASS FIBRE REINFORCED NBR-PHENOLIC COMPOSITES** Page Range: p.403-408 Author(s): Rezadoust A M; Esfandeh M File size: 91K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99982&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** Preparation of short fibre composites is examined with reference to the use of a two-roll mill, and the effect of fibre length on mechanical properties. In this study, 50 mm glass fibres were used to prepare acrylonitrile-butadiene rubber-phenolic glass fibre composites. Fibre breakage during processing was studied, and the fibre critical length was calculated. On the basis of the critical length, the usefulness of the two-roll mill method for preparing glass-NBR-phenolic composites was assessed. 10 refs. --- --- Source: https://polymerjournals.com/interferometric-determination-of-oriented-and-some-optical-parameters-of-annealed-polyester-fibres/ # INTERFEROMETRIC DETERMINATION OF ORIENTED AND SOME OPTICAL PARAMETERS OF ANNEALED POLYESTER FIBRES > Title: INTERFEROMETRIC DETERMINATION OF ORIENTED AND SOME OPTICAL PARAMETERS OF ANNEALED POLYESTER FIBRES Page Range: p.409-422 Author(s): Fouda I M; El-Sharkawy F M File size: 144K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/interferometric-determination-of-oriented-and-some-optical-parameters-of-annealed-polyester-fibres/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: INTERFEROMETRIC DETERMINATION OF ORIENTED AND SOME OPTICAL PARAMETERS OF ANNEALED POLYESTER FIBRES** Page Range: p.409-422 Author(s): Fouda I M; El-Sharkawy F M File size: 144K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99983&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** Annealed polyester fibres were investigated by the use of multiple-beam Fizeau fringes in transmission to determine the effects of heat treatment by the determination of refractive indices of their skin and core layers.. Optical orientation parameters were obtained by the application of equations used by Hermans and Ward. Some structural parameters such as electric polarisability, and the density of the samples was measured by a system based on the theory of vibrating strings. The density and optical results were used to calculate the degree of crystallinity, the mean square density fluctuation, the form birefringence, the number on monomeric units per unit volume, the harmonic mean polarisability of the dielectric, and the harmonic mean specified refractive index. 33 refs. --- --- Source: https://polymerjournals.com/vibration-reduction-ability-of-polymers-particularly-polymethylmethacrylate-and-polytetrafluoroethylene/ # VIBRATION REDUCTION ABILITY OF POLYMERS, PARTICULARLY POLYMETHYLMETHACRYLATE AND POLYTETRAFLUOROETHYLENE > Title: VIBRATION REDUCTION ABILITY OF POLYMERS, PARTICULARLY POLYMETHYLMETHACRYLATE AND POLYTETRAFLUOROETHYLENE Page Range: p.423-426 Author(s): Fu W; Chung D D L File size: 25K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9... Canonical URL: https://polymerjournals.com/vibration-reduction-ability-of-polymers-particularly-polymethylmethacrylate-and-polytetrafluoroethylene/ Published: 2001-06-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: VIBRATION REDUCTION ABILITY OF POLYMERS, PARTICULARLY POLYMETHYLMETHACRYLATE AND POLYTETRAFLUOROETHYLENE** Page Range: p.423-426 Author(s): Fu W; Chung D D L File size: 25K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-6&JournalID=99984&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 6 **Abstract** A description is given of a comparative study of the vibration reduction ability of a number of polymers: PMMA, PTFE, nylon-66, polyacetal and epoxy resin. The objective of the research is to identify polymers which can be used as vibration damping materials. Of the materials tested, PMMA exhibited the highest loss modulus, while PTFE exhibited the highest loss tangent. A synthetic rubber had an exceptionally low loss modulus, but an exceptionally high loss tangent. Epoxy and acetal exhibited the lowest loss tangent. 14 refs. --- --- Source: https://polymerjournals.com/multi-scale-modelling-of-long-term-mechanical-behaviour-in-polymer-composite-laminates-with-woven-fibre-architecture/ # MULTI-SCALE MODELLING OF LONG-TERM MECHANICAL BEHAVIOUR IN POLYMER COMPOSITE LAMINATES WITH WOVEN FIBRE ARCHITECTURE > Title: MULTI-SCALE MODELLING OF LONG-TERM MECHANICAL BEHAVIOUR IN POLYMER COMPOSITE LAMINATES WITH WOVEN FIBRE ARCHITECTURE Page Range: p.297-318 Author(s): Gupta V; Roy S; Dharani L R File size: 2218K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer... Canonical URL: https://polymerjournals.com/multi-scale-modelling-of-long-term-mechanical-behaviour-in-polymer-composite-laminates-with-woven-fibre-architecture/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: MULTI-SCALE MODELLING OF LONG-TERM MECHANICAL BEHAVIOUR IN POLYMER COMPOSITE LAMINATES WITH WOVEN FIBRE ARCHITECTURE** Page Range: p.297-318 Author(s): Gupta V; Roy S; Dharani L R File size: 2218K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99971&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** An analytical model for predicting the long-term durability of polymer composite laminates with woven fibre architecture is presented, which takes a micromechanics approach towards modelling the out-of-plane viscoelastic behaviour of the laminate. A five-harness satin woven fibre cross-ply composite laminate is investigated, taking into consideration of the weave architecture and time-dependent effects. The classical lamination theory model is adapted to include the in-plane elastic behaviour of woven fibre composites. For the matrix-dominated out-of-plane response, a viscoelastic creep model is employed to model the resin. In addition, physical ageing of the matrix is included in the model, using the effective time theory proposed by Struik. The effect of large deflections and rotations on the time dependent out-of-plane behaviour is also investigated using the micromechanics model. The homogenised in-plane and out-of-plane compliance obtained using the proposed micromechanics methodology could be applied within the framework of a structural finite element code to model the macro-scale long-term behaviour of a woven fabric composite structure, it is maintained. 26 refs. --- --- Source: https://polymerjournals.com/particle-motion-and-segregation-in-piston-driven-free-surface-flows-of-viscoelastic-fluids/ # PARTICLE MOTION AND SEGREGATION IN PISTON DRIVEN FREE SURFACE FLOWS OF VISCOELASTIC FLUIDS > Title: PARTICLE MOTION AND SEGREGATION IN PISTON DRIVEN FREE SURFACE FLOWS OF VISCOELASTIC FLUIDS Page Range: p.319-326 Author(s): Ogadhoh S O; Papathanasiou T D File size: 737K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/particle-motion-and-segregation-in-piston-driven-free-surface-flows-of-viscoelastic-fluids/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PARTICLE MOTION AND SEGREGATION IN PISTON DRIVEN FREE SURFACE FLOWS OF VISCOELASTIC FLUIDS** Page Range: p.319-326 Author(s): Ogadhoh S O; Papathanasiou T D File size: 737K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99972&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** Solid particle motion, redistribution and segregation is investigated in a viscoelastic fluid during piston-driven free surface flows. This phenomenon and its effect on suspension microstructure is examined with particular respect to the injection and compression moulding of composite materials. PMMA particles were dispersed in a hydrated hydroxypropyl guar gel. Particles were observed to move away from the piston and towards the free surface where they slowly accumulate, thus confirming theoretical predictions that in the presence of a normal stress gradient perpendicular to the direction of bulk flow, suspended particles tend to gravitate towards and then remain near the free surface. Simulations show that the speed of this segregation increases with fluid elasticity, shear rate and particle size, in agreement with literature models for the lateral migration velocity of particles in viscoelastic fluids.12 refs. --- --- Source: https://polymerjournals.com/photopolymerization-of-exo-methylene-13-dioxolane-with-bisphenol-a-diglycidylether-and-methyl-methacrylate-using-photoinitiators/ # PHOTOPOLYMERIZATION OF EXO-METHYLENE-1,3-DIOXOLANE WITH BISPHENOL-A-DIGLYCIDYLETHER AND METHYL METHACRYLATE USING PHOTOINITIATORS > Title: PHOTOPOLYMERIZATION OF EXO-METHYLENE-1,3-DIOXOLANE WITH BISPHENOL-A-DIGLYCIDYLETHER AND METHYL METHACRYLATE USING PHOTOINITIATORS Page Range: p.327-332 Author(s): Sherif M H; Klemm E; Gunther W; Stadermann D File size: 415K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue... Canonical URL: https://polymerjournals.com/photopolymerization-of-exo-methylene-13-dioxolane-with-bisphenol-a-diglycidylether-and-methyl-methacrylate-using-photoinitiators/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PHOTOPOLYMERIZATION OF EXO-METHYLENE-1,3-DIOXOLANE WITH BISPHENOL-A-DIGLYCIDYLETHER AND METHYL METHACRYLATE USING PHOTOINITIATORS** Page Range: p.327-332 Author(s): Sherif M H; Klemm E; Gunther W; Stadermann D File size: 415K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99973&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** The copolymerisation of 2-exo-methylene-4-phenyl,3-dioxolane with bisphenol-A-diglycidylether and methyl methacrylate using a cationic and a radical initiator is described. The structure of the polymers is elucidated by NMR and IR spectroscopy. Using a cationic photoinitiator, the dioxolane structure is maintained in the copolymer and remaining oxirane structures from the bisphenol-A-diglycidylether can be proved. It is demonstrated that no complete ring-opening of the dioxolane takes place in the presence of a radical initiator, leading to statistical polymers with methyl methacrylate. 6 refs. --- --- Source: https://polymerjournals.com/polybutylene-succinate-composites-reinforced-with-short-sisal-fibres/ # POLY(BUTYLENE SUCCINATE) COMPOSITES REINFORCED WITH SHORT SISAL FIBRES > Title: POLY(BUTYLENE SUCCINATE) COMPOSITES REINFORCED WITH SHORT SISAL FIBRES Page Range: p.333-338 Author(s): Shibata M; Makino R; Yosomiya R; Takeishi H File size: 1443K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume:... Canonical URL: https://polymerjournals.com/polybutylene-succinate-composites-reinforced-with-short-sisal-fibres/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: POLY(BUTYLENE SUCCINATE) COMPOSITES REINFORCED WITH SHORT SISAL FIBRES** Page Range: p.333-338 Author(s): Shibata M; Makino R; Yosomiya R; Takeishi H File size: 1443K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99974&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** This report describes an investigation into polybutylene succinate reinforced with sisal fibres for the development of a fully biodegradable composite with superior mechanical properties. The influence of fibre length, fibre content and surface treatment of the fibres on the mechanical properties of the composite were evaluated. 18 refs. --- --- Source: https://polymerjournals.com/prediction-of-the-ultimate-strength-of-composite-laminates-under-in-plane-loading-using-a-probabilistic-approach/ # PREDICTION OF THE ULTIMATE STRENGTH OF COMPOSITE LAMINATES UNDER IN-PLANE LOADING USING A PROBABILISTIC APPROACH > Title: PREDICTION OF THE ULTIMATE STRENGTH OF COMPOSITE LAMINATES UNDER IN-PLANE LOADING USING A PROBABILISTIC APPROACH Page Range: p.339-344 Author(s): Kang T J; Cho Y J; Youn J R; Chung K; Lee K W File size: 425K Download the pdf (subscribers only)... Canonical URL: https://polymerjournals.com/prediction-of-the-ultimate-strength-of-composite-laminates-under-in-plane-loading-using-a-probabilistic-approach/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PREDICTION OF THE ULTIMATE STRENGTH OF COMPOSITE LAMINATES UNDER IN-PLANE LOADING USING A PROBABILISTIC APPROACH** Page Range: p.339-344 Author(s): Kang T J; Cho Y J; Youn J R; Chung K; Lee K W File size: 425K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99975&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** A numerical approach is presented for the prediction of ultimate strength of composite laminates. In order to take into account the wide scatter in ply strengths, the basic strength distribution functions for the longitudinal, transverse, and in-plane shear strengths were obtained using a two-parameter Weibull distribution. These functions, in conjunction with the Tsai-Hill failure criterion, were then used to predict the ultimate strength of the composites. 8 refs. --- --- Source: https://polymerjournals.com/yielding-and-fracture-toughness-of-glass-microballoon-filled-epoxy-composites/ # YIELDING AND FRACTURE TOUGHNESS OF GLASS MICROBALLOON-FILLED EPOXY COMPOSITES > Title: YIELDING AND FRACTURE TOUGHNESS OF GLASS MICROBALLOON-FILLED EPOXY COMPOSITES Page Range: p.345-350 Author(s): Zihlif A M; Ragosta G File size: 1195K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue... Canonical URL: https://polymerjournals.com/yielding-and-fracture-toughness-of-glass-microballoon-filled-epoxy-composites/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: YIELDING AND FRACTURE TOUGHNESS OF GLASS MICROBALLOON-FILLED EPOXY COMPOSITES** Page Range: p.345-350 Author(s): Zihlif A M; Ragosta G File size: 1195K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99976&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** The yielding and fracture toughness of a glass microballoon filled epoxy resin were investigated as a function of filler content, temperature and strain rate. The variations in the measured mechanical properties are discussed in terms of the observed morphology and thermal behaviour of the epoxy composites. 25 refs. --- --- Source: https://polymerjournals.com/effect-of-chemical-oxidation-on-the-interfacial-bonding-between-carbon-fibre-and-epoxy-resin/ # EFFECT OF CHEMICAL OXIDATION ON THE INTERFACIAL BONDING BETWEEN CARBON FIBRE AND EPOXY RESIN > Title: EFFECT OF CHEMICAL OXIDATION ON THE INTERFACIAL BONDING BETWEEN CARBON FIBRE AND EPOXY RESIN Page Range: p.351-359 Author(s): Lin J-S; Huang Y-H; Chiu H-T File size: 4571K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/effect-of-chemical-oxidation-on-the-interfacial-bonding-between-carbon-fibre-and-epoxy-resin/ Published: 2001-05-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EFFECT OF CHEMICAL OXIDATION ON THE INTERFACIAL BONDING BETWEEN CARBON FIBRE AND EPOXY RESIN** Page Range: p.351-359 Author(s): Lin J-S; Huang Y-H; Chiu H-T File size: 4571K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-5&JournalID=99977&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 5 **Abstract** Polypyrrole was deposited onto carbon fibres via the oxidation polymerisation of pyrrole with ferric ions. These Ppy-deposited carbon fibres were then made into composite boards with epoxy resin. The interfacial bonding between carbon fibre and epoxy resin was evaluated by measuring the interlaminar shear strength, tensile strength before and after impact, and flexural strength. 10 refs. --- --- Source: https://polymerjournals.com/viscoelastic-properties-of-polyethylene-syntactic-foam-with-polymer-microballoons/ # VISCOELASTIC PROPERTIES OF POLYETHYLENE SYNTACTIC FOAM WITH POLYMER MICROBALLOONS > Title: VISCOELASTIC PROPERTIES OF POLYETHYLENE SYNTACTIC FOAM WITH POLYMER MICROBALLOONS Page Range: p.227-238 Author(s): Lawrence E; Pyrz R File size: 1205K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No:... Canonical URL: https://polymerjournals.com/viscoelastic-properties-of-polyethylene-syntactic-foam-with-polymer-microballoons/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: VISCOELASTIC PROPERTIES OF POLYETHYLENE SYNTACTIC FOAM WITH POLYMER MICROBALLOONS** Page Range: p.227-238 Author(s): Lawrence E; Pyrz R File size: 1205K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99964&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** The use is investigated of polymeric microballoons in place of glass microballoons for the manufacture of polyethylene syntactic foams. Whilst glass microballoons have good mechanical and thermal properties, they are subject to breaking and shearing during processing. This present study deals with the viscoelastic properties of extruded PE and a foam made from PE and approximately 40 volume percent of polymer microballoons. Results are discussed of creep tests and stress relaxation tests. 6 refs. --- --- Source: https://polymerjournals.com/hydrolysis-of-kevlar-fibres/ # HYDROLYSIS OF KEVLAR FIBRES > Title: HYDROLYSIS OF KEVLAR FIBRES Page Range: p.239-246 Author(s): Lin J-S; Chiu H-T File size: 1138K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 Abstract To overcome... Canonical URL: https://polymerjournals.com/hydrolysis-of-kevlar-fibres/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: HYDROLYSIS OF KEVLAR FIBRES** Page Range: p.239-246 Author(s): Lin J-S; Chiu H-T File size: 1138K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99965&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** To overcome the problems of debonding of Kevlar fibres when used as reinforcement in composites, surface modification is necessary. The use of hydrolysis is examined as a technique to improve the interfacial bonding between the reinforcement and the polymer matrix. Kevlar fibres were hydrolysed in a concentrated aqueous solution of either sulphuric acid or sodium hydroxide and then characterised by measuring the tensile strength and the interlaminar shear strength. The active sites on the hydrolysed surface were determined by the dyeing-decolourising method. 20 refs. --- --- Source: https://polymerjournals.com/transport-of-water-through-polyamide-nitrile-rubber-blends-and-its-influence-on-mechanical-properties/ # TRANSPORT OF WATER THROUGH POLYAMIDE-NITRILE RUBBER BLENDS AND ITS INFLUENCE ON MECHANICAL PROPERTIES > Title: TRANSPORT OF WATER THROUGH POLYAMIDE-NITRILE RUBBER BLENDS AND ITS INFLUENCE ON MECHANICAL PROPERTIES Page Range: p.247-256 Author(s): Kumar C R; Francis B; Thomas S File size: 930K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites... Canonical URL: https://polymerjournals.com/transport-of-water-through-polyamide-nitrile-rubber-blends-and-its-influence-on-mechanical-properties/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: TRANSPORT OF WATER THROUGH POLYAMIDE-NITRILE RUBBER BLENDS AND ITS INFLUENCE ON MECHANICAL PROPERTIES** Page Range: p.247-256 Author(s): Kumar C R; Francis B; Thomas S File size: 930K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99966&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** A study is reported of the transport of water through polyamide-nitrile rubber blends with respect to the effect of water absorption on the mechanical properties of the blend. The diffusion of water through the blends was investigated at various temperatures. It was established that the temperature dependence of the diffusion characteristics indicated that the transport mechanism varied with the composition of the blend, its morphology and temperature. In all cases, the diffusion mechanism followed a Fickian trend. Mechanical properties such as tensile strength, modulus and yield stress of PA and blends were found to decrease due to the water uptake. 25 refs. --- --- Source: https://polymerjournals.com/properties-of-metal-fibre-filled-thermoplastics-as-candidates-for-electromagnetic-interference-shielding/ # PROPERTIES OF METAL FIBRE FILLED THERMOPLASTICS AS CANDIDATES FOR ELECTROMAGNETIC INTERFERENCE SHIELDING > Title: PROPERTIES OF METAL FIBRE FILLED THERMOPLASTICS AS CANDIDATES FOR ELECTROMAGNETIC INTERFERENCE SHIELDING Page Range: p.257-262 Author(s): Tan S T; Zhang M Q; Rong M Z; Zeng H M; Zhao F M File size: 495K Download the pdf (subscribers only) Buy the... Canonical URL: https://polymerjournals.com/properties-of-metal-fibre-filled-thermoplastics-as-candidates-for-electromagnetic-interference-shielding/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: PROPERTIES OF METAL FIBRE FILLED THERMOPLASTICS AS CANDIDATES FOR ELECTROMAGNETIC INTERFERENCE SHIELDING** Page Range: p.257-262 Author(s): Tan S T; Zhang M Q; Rong M Z; Zeng H M; Zhao F M File size: 495K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99967&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** Polypropylene based conductive composites were produced using stainless steel fibres as the fillers, and tests were carried out to determine the electrical conductivity, mechanical properties and EMI shielding effectiveness of the composites. The incorporation of stainless steel fibres into PP resulted in inferior mechanical properties, but increased conductivity. Using a blend of PP and PP-g-maleic anhydride instead of PP as the matrix, proved to be effective in balancing the overall properties and meeting the requirements of EMI shielding materials. 13 refs. --- --- Source: https://polymerjournals.com/rheological-and-mechanical-properties-of-gum-and-filled-blends-of-acrylate-rubber-and-fluororubber/ # RHEOLOGICAL AND MECHANICAL PROPERTIES OF GUM AND FILLED BLENDS OF ACRYLATE RUBBER AND FLUORORUBBER > Title: RHEOLOGICAL AND MECHANICAL PROPERTIES OF GUM AND FILLED BLENDS OF ACRYLATE RUBBER AND FLUORORUBBER Page Range: p.263-274 Author(s): Kader M A; Bhattacharyya A K; Bhowmich A K File size: 2157K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers... Canonical URL: https://polymerjournals.com/rheological-and-mechanical-properties-of-gum-and-filled-blends-of-acrylate-rubber-and-fluororubber/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: RHEOLOGICAL AND MECHANICAL PROPERTIES OF GUM AND FILLED BLENDS OF ACRYLATE RUBBER AND FLUORORUBBER** Page Range: p.263-274 Author(s): Kader M A; Bhattacharyya A K; Bhowmich A K File size: 2157K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99968&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** A report is presented of results of an investigation into the processability of gum and filled acrylate rubber, fluorocarbon rubber and their blends. The rheological study is carried out at various shear rates and temperatures, and the rheological and viscoelastic properties of these unfilled and filled blends are correlated with blend composition and with the nature and loading of filler. 22 refs. --- --- Source: https://polymerjournals.com/metallic-methacrylate-as-a-reactive-filler-to-reinforce-ethylene-propylene-diene-rubber/ # METALLIC METHACRYLATE AS A REACTIVE FILLER TO REINFORCE ETHYLENE-PROPYLENE-DIENE RUBBER > Title: METALLIC METHACRYLATE AS A REACTIVE FILLER TO REINFORCE ETHYLENE-PROPYLENE-DIENE RUBBER Page Range: p.275-282 Author(s): Peng Z; Zhang Y; Liang X; Zhang Y File size: 471K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year:... Canonical URL: https://polymerjournals.com/metallic-methacrylate-as-a-reactive-filler-to-reinforce-ethylene-propylene-diene-rubber/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: METALLIC METHACRYLATE AS A REACTIVE FILLER TO REINFORCE ETHYLENE-PROPYLENE-DIENE RUBBER** Page Range: p.275-282 Author(s): Peng Z; Zhang Y; Liang X; Zhang Y File size: 471K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99969&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** Non-polar EPDM was reinforced by the addition of polar metal salts of methacrylic acid at a high level, followed by peroxide curing. Mechanical properties and crosslink density of the vulcanisates were investigated. Wide-angle X-ray diffraction and FTIR were used to analyse the reactivity of zinc dimethacrylate (ZDMA) in EPDM compounds pre- and post-vulcanisation. It was found that ZDMA or magnesium dimethacrylate can greatly improve the hardness and tensile strength of the vulcanisates whilst retaining a high elongation at break, and that it acts as a reactive filler in the EPDM matrix during peroxide curing. Crosslink density was determined by equilibrium swelling. Covalent crosslinks and ionic crosslinks were distinguished by acidolysis treatment. Ionic crosslinks were improved by increasing the amount of ZDMA, and the relationship between mechanical properties and crosslink density are claimed to indicate that the tensile strength of the vulcanisate is principally dependent on ionic crosslink density. 19 refs. --- --- Source: https://polymerjournals.com/epoxy-based-thermal-stabiliser-for-polyvinylchloride/ # EPOXY BASED THERMAL STABILISER FOR POLY(VINYLCHLORIDE) > Title: EPOXY BASED THERMAL STABILISER FOR POLY(VINYLCHLORIDE) Page Range: p.283-290 Author(s): Patel P G; Patel G R; Parmar J S File size: 462K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9... Canonical URL: https://polymerjournals.com/epoxy-based-thermal-stabiliser-for-polyvinylchloride/ Published: 2001-04-01T00:00:00+00:00 Categories: Polymers and Polymer Composites **Title: EPOXY BASED THERMAL STABILISER FOR POLY(VINYLCHLORIDE)** Page Range: p.283-290 Author(s): Patel P G; Patel G R; Parmar J S File size: 462K ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc9-4&JournalID=99970&JIP=) (subscribers only) ![](http://handbuy.gif) Buy the pdf (non-subscribers) Journal: Polymers and Polymer Composites Issue Year: ppc Volume: 9 Issue No: No. 4 **Abstract** A tetrafunctional epoxy resin was evaluated as a thermal stabiliser for use in PVC compounds. Its stabilising efficiency was tested by yellowness index, HCl liberation, UV absorption, induction time, and changes in the mechanical properties. It was demonstrated that epoxy resins with several epoxy groups are effective in stabilising PVC against dehydrochlorination during processing and use, compared with tribasic lead sulphate. 35 refs. ---