| Preparation and Properties of Nitrogen-doped Graphene/Silica/SSBR Composites |
| Received:July 20, 2018 Revised:July 20, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.01.0013 |
| Key Words: nitrogen-doped graphene；silica；SSBR；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | LI Yasi | Beijing University of Chemical Technology | 1052771157@qq.com | | XU Zongchao | Beijing University of Chemical Technology | | | WEN Shipeng | Beijing University of Chemical Technology | | | LIU Li* | Beijing University of Chemical Technology | liul2001cn@163.com |
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| Abstract: |
| Using urea and graphene oxide（GO） as raw material，nitrogen-doped graphene（g-C3N4/rGO） was prepared by direct grinding and calcining under nitrogen atmosphere，then the g-C3N4/rGO/silica/soluble polystyrene butadiene rubber（SSBR） composites were prepared by mechanical blending and their properties were studied. The results showed that g-C3N4/rGO and silica could achieve good dispersion in rubber matrix，and when part of silica was replaced by equal weight of g-C3N4/rGO, the physical properties and dynamic mechanical properties of the composites were improved. When the addition level of g-C3N4/rGO was 5 phr，the comprehensive physical properties of the composites were the best，and the compression heat build-up and the rolling resistance were the lowest. |
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