| Preparation of Gradient Polymer with Wide Damping Temperature Range by In-situ Sulfur Modification |
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| DOI： |
| Key Words: gradient polymer;SBR;NBR;in-situ sulfur modification;vulcanization;wide temperature range;damping |
| Author Name | Affiliation | | WANG SONG | Jilin Design Institute, Northeast Refining & Chemical Engineering Co. Ltd | | LIU Qing-sheng | Beijing University of Chemical Technology | | WANG Yi-qing | Beijing University of Chemical Technology | | WANG Ya | Beijing University of Chemical Technology | | ZHANG Li-qun | Beijing University of Chemical Technology |
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| Abstract: |
| By controlling the migration of chemical reaction and diffusion of sulfur concentration in the rubber matrix to form sulfur distribution gradient,gradient polymer with wide damping temperature range was prepared.The results showed that,the glass transition range of SBR gradient polymer was over 100 ℃,and the peak width at half height was 69.44 ℃;the glass transition range of NBR gradient polymer was over 120 ℃,and the half width was 59.4 ℃. |
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