| Effect of Microcrystalline Cellulose/Silica Composite Filler on Properties of High Vinyl SSBR |
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| DOI： |
| Key Words: microcrystalline cellulose；silica；SSBR；processability；dynamic property |
| Author Name | Affiliation | | SUN Ju-tao | Qingdao University of Science and Technology；State Key Laboratory for Conservation and Utilization of Subtropical Agro bioresources | | LIANG Yun-hao | Qingdao University of Science and Technology | | SUN Jia-jia | Qingdao University of Science and Technology |
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| Abstract: |
| The effect of microcrystalline cellulose/silica composite filler on the properties of high vinyl SSBR was investigated.Microcrystalline cellulose was used to replace part of the silica in the fil ler system while the total addition level of filler kept the same.The results showed that， as the addition level of microcrystalline cellulose increased，the Mooney viscosity of the compound decreased，t10 was extended，t90 was shortened，the processability was improved and cure rate was enhanced.The Shore A hardness， modulus at 300% elongation and tensile strength of the vulcanizates decreased，the elongation at break increased，and the wear resistance decreased.When the addition level of microcrystalline cellulose was 5 phr，the vulcanizates possessed the best tear strength，high wet skid resistance and low rolling resistance. |
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