| Structure and Properties of High-vinyl Solution-polymerized SBR-C2557A |
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| DOI： |
| Key Words: highvinyl SSBR；ESBR；microstructure；wet skid resistance |
| Author Name | Affiliation | | SUN Jutao | Qingdao University of Science and Technology | | SUN Jiajia | Qingdao University of Science and Technology | | ZHANG Ping | Qingdao University of Science and Technology | | ZHAO Shugao | Qingdao University of Science and Technology | | XU Yan | Research Institute of Dushanzi Petrochemical Co. |
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| Abstract: |
| The structure and properties of high-vinyl solution-polymerized SBR（SSBR） C2557A were investigated，and compared with those of emulsion-polymerized SBR（ESBR） 1712 and SSBR-T2530.The results showed that，compared with ESBR-1712 and SSBR-T2530，SSBR-C2557A possessed higher vinyl content and larger number-average relative molecular weight，and its relative molecular weight distribution index ranged between those of ESBR-1712 and SSBR-T2530.The vulcanizates of SSBR-C2557A possessed higher dynamic modulus at large elastic state and the glass transition temperature close to 0 ℃.The wet skid resistance of SSBR-C2557A vulcanizates was better than that of ESBR-1712 and SSBR-T2530，but the loss factor and compression fatigue temperature rise were higher. |
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