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
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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.
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