| Study on Properties of Silica/BR Composites Modified by ESSBR as Macromolecular Coupling Agent |
| Received:May 26, 2022 Revised:May 26, 2022 |
| DOI：10.12136/j.issn.1000-890X.2023.10.0765 |
| Key Words: ESSBR；BR；silica；coupling agent；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | LIU Chaohao | Beijing University of Chemical Technology | xmsglch@163.com | | LI Fanzhu | Beijing University of Chemical Technology | | | MA Dongli | Beijing University of Chemical Technology | | | GUO Mingming | Beijing University of Chemical Technology | | | YE Xin* | Beijing University of Chemical Technology | yexin@mail. buct. edu. cn | | ZHANG Liqun | Beijing University of Chemical Technology | |
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| Abstract: |
| An epoxidized solution polymerized styrene butadiene rubber（ESSBR） with epoxy degree of 15% was prepared and used as a macromolecular coupling agent to modify silica/butadiene rubber（BR） composites.The properties of the silica/ESSBR/BR composites were studied，and compared with the coupling agent Si69/silica/solution polymerized styrene butadiene rubber（SSBR）/BR composites.The results showed that the silica dispersion，tensile properties，wet skid resistance and wear resistance of the silica/ESSBR/BR composites were improved，the rolling resistance was reduced，and there was no emission of the volatile organic compounds.These composites could be used in tire tread compounds. |
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