| Investigation on Rheological Properties of SBR/Silica/Silane Compound during Extrusion |
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| DOI： |
| Key Words: ESBR；silica；silane coupling agent；extrusion rheological behavior；extrusion temperature |
| Author Name | Affiliation | | SHI Jinfeng | Qingdao University of Science and Technology | | LI Jian | Qingdao University of Science and Technology | | SUN Chong | Qingdao University of Science and Technology | | DING Xingwei | Qingdao University of Science and Technology | | ZHANG Ping | Qingdao University of Science and Technology |
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| Abstract: |
| The effects of silica content and silane coupling agents on the rheological properties of filled ESBR during extrusion were investigated，and the grafting efficiency of the 3 kinds of silane coupling agents was analyzed. The results showed that the non-Newton index of silica filled system was independent on its content at low shear rate. However，the non-Newton index of this system increased with the increasing of silica content at high shear rate. When the silica content was 40 phr，the viscosity and Payne effect of silica/Si747 compound was the highest，and the appearance of extrudate was rough. However，the extrusion temperature stability was better. The modification effects of Si69 and Si75 on silica were not significantly different. |
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