| Structure and properties of SSBR |
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| DOI： |
| Key Words: SSBR；coupling degree；physical properties；dynamic properties |
| Author Name | Affiliation | | DUAN Yong-xin | Beijing University of Chemical Technology | | ZHAO Su-he | Beijing University of Chemical Technology | | ZHANG Xing-ying | Beijing University of Chemical Technology | | ZHANG Tao-yi | Beijing University of Chemical Technology |
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| Abstract: |
| The influence of the structure and coupling degree for a test SSBR synthesized with one step method and multi-functional initiator on the physical properties and dynamic mechanical properties of its vulcanizate was investigated by using SL552 made by JSR as control polymer.The test results showed that as the coupling degree of test SSBR increased，the tensile strength and wet traction improved and the temperature rise from compression fatigue decreased；and the SSBR with 60% coupling degree was similar to SL552 in terms of physical properties.The increase of coupling degree resulted in the decrease of dynamic visco-elasticity for rubber compound.It was found that 60% coupling degree was suitable for the rubber compound to obtain the balanced low heat build-up and good processibility. |
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