| Preparation of Modified Nano Silica and Its Application in SSBR/BR Blends |
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| DOI： |
| Key Words: SSBR；BR；nano silica；in-situ modification；wear resistance；Payne effect |
| Author Name | Affiliation | | MAO Yimei | Henan University | | ZHANG Hongying | Northwest Rubber & Plastic Research and Design Institute Co.，Ltd | | ZHANG Chunhua | Henan University | | WANG Yanpeng | Henan University | | LI Xiaohong | Henan University | | DING Tao | Henan University |
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| Abstract: |
| The modified nano silica was prepared by liquid phase in-situ surface modification with coupling agent KH570 as a modifier，and its application in SSBR/BR blends was studied. The results showed that，compared with the unmodified nano silica，modified nano silica had better dispersion in the rubber matrix，improved compatibility with rubber and reduced agglomeration. In addition，the physical properties and wear resistance of modified nano silica/SSBR/BR composites were improved and Payne effect was weakened. Among the composites，the composite containing the modified nano silica with the modifier amount of 50 mmol·kg-1 showed the best physical properties，heat aging resistance and wear resistance. |
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