| Study on mechanochemistry of tin-coupled SSBR during mastication |
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| DOI： |
| Key Words: tin-coupled SSBR ;ESBR ;mastication ;molecular weight ;molecular weight distribution ;mechanochemical stability |
| Author Name | Affiliation | | JIA Hong-bing | Nanjing University of Science and Technology | | JI Qing-min | Nanjing University of Science and Technology | | JIN Zhi-gang | Nanjing University of Science and Technology | | ZHANG Shi-qi | Nanjing University of Science and Technology | | WU Jin-sheng | Beijing Yanshan Petrochemical Company | | LIU Qing | Beijing Yanshan Petrochemical Company |
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| Abstract: |
| The effects of modification on the molecular weight(Mw) and the molecular weight distribution(MWD), as well as the microst ructure of tin-coupled SSBR and ESBR were investigated.The results showed that during the mastication , the decreasing velocity of Mw for both SSBR and ESBR depended on their initial Mw, and there was a lower limit for their Mw;the bipeaks shifted to single peak in the SSBR MWD curve and the MWD became more narrow;the main chains of both SSBR and ESBR broke down to give off the peroxy radicals;and the mechanochemical stability of SSBR was superior to that of ESBR. |
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