| Preparation and Properties of Graphene Aerogel/Silica/SBR Composites |
| Received:June 20, 2019 Revised:June 20, 2019 |
| DOI：10.12136/j.issn.1000-890X.2020.05.0335 |
| Key Words: graphene aerogel；silica；SBR；composite filler；composite；dynamic mechanical property；wear resistance |
| Author Name | Affiliation | E-mail | | LI Jiarui* | Beijing University of Chemical Technology | wensp@mail.buct.edu.cn | | XIE Lili | Beijing Oriental Yuhong Waterproof Technology Co.，Ltd | | | TU Jingwan | Beijing University of Chemical Technology | | | ZHENG Long | Beijing University of Chemical Technology | | | XU Zongchao | Beijing University of Chemical Technology | | | ZHANG Liqun | Beijing University of Chemical Technology | | | LIU Li | Beijing University of Chemical Technology | | | WEN Shipeng | Beijing University of Chemical Technology | |
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| Abstract: |
| Graphene aerogel（GA） was prepared by sol-gel and freeze drying method，and silica/GA composite filler（s-GA） was prepared by GA and silica complexing. The s-GA/silica/styrene-butadiene rubber（SBR） composites were prepared by mechanical blending and their properties were studied. The
results showed that，silica was successfully complexed in the GA，the agglomeration of graphene lamellas was decreased effectively，t90 of the s-GA/silica/SBR composites were shortened，and the wet skid resistance were improved. When the dosage ratio of GA/silica was 1/5，the tensile strength and elongation at break of the s-GA/silica/SBR composites were the highest. As the dosage of silica in s-GA increased，the wear resistance of s-GA/silica/SBR composites were improved. |
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