| Preparation of Graphene Oxide/Silica Composite Filler and Its Application in SBR Composite |
| Received:January 02, 2019 Revised:January 02, 2019 |
| DOI：10.12136/j.issn.1000-890X.2020.01.0010 |
| Key Words: graphene oxide；silica；silane coupling agent；SBR；composite filler；composite；dynamic mechanical property；wear resistance |
| Author Name | Affiliation | E-mail | | SU Yuxian* | Beijing University of Chemical Technology | 824239418@qq.com | | TU Jingwan | Beijing University of Chemical Technology | | | ZHENG Long | Beijing University of Chemical Technology | | | XU Zongchao | Beijing University of Chemical Technology | | | LIU Li | Beijing University of Chemical Technology | | | WEN Shipeng | Beijing University of Chemical Technology | |
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| Abstract: |
| The KH550-GO-silica composite filler was prepared by modifying graphene oxide （GO） and silica simultaneously with silane coupling agent KH550（referred to as KH550）.The KH550-GO-silica/styrene-butadiene rubber（SBR） composite was prepared by mechanical blending and its properties were studied.The results show that， KH550 could block the lamellae reconstruction of GO and promote the dispersion of the filler in SBR by forming chemical bonding between GO and silica.Compared with the silica/SBR composite，the crosslinking density，modulus at 300% elongation and shore A hardness of the KH550-GO-silica/SBR composite increased，the tensile strength changed little，the loss factor at 60 ℃ decreased，and the wear resistance was improved. |
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