| Study on Properties of Modified MVBR Part 1.Properties of Polymer |
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| DOI： |
| Key Words: BR；MVBR；polymer properties |
| Author Name | Affiliation | | Li Yang | Research Institute of Beijing Yanshan Petrochemical Corporation | | Liu Huiming | Dalian University of Science and Technology | | Gu Mingchu | Dalian University of Science and Technology |
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| Abstract: |
| The properties of raw linear MVBR（L-MVBR），star-type MVBR（S-MVBR），linear 1，4-1，2-steoro-diblock MVBR（L-B-MVBR）and star-type 1，4-1，2-steoro-diblock MVBR（SB-MVBR）were systematically investigated. It was found that S-MVBR featured high yield strength and high Mooney viscosity；the star branched structure and the steoro-block structure were useful to improve cold flow resistance of unvulcanized rubber；the L-B-MVBR with separate phase structure possessed the best cold flow resistance. |
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