# 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...

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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.

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