Preparation of rubber/graphene oxide composites with in-situ interfacial design

被引：126
作者：
Liu, Xuan [1 ]
Kuang, Wenyi [1 ]
Guo, Baochun [1 ]
机构：
[1] S China Univ Technol, Dept Polymer Mat & Engn, Guangzhou 510640, Peoples R China
来源：
POLYMER | 2015年 / 56卷
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Rubber; Graphene oxide; Reinforcement; ENHANCED MECHANICAL-PROPERTIES; FUNCTIONALIZED GRAPHENE OXIDE; STYRENE-BUTADIENE RUBBER; CHEMICAL-REDUCTION; IONIC LIQUID; GAS BARRIER; NANOCOMPOSITES; AMINE; MONTMORILLONITE; GRAPHITE;
D O I：
10.1016/j.polymer.2014.11.048
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two series of alkylamine-modified (oleylamine and octadecylamine) styrene-butadiene rubber (SBR)/graphene oxide (GO) composites were fabricated through a facile green method involving co-coagulation and in-situ interfacial modification techniques. Both alkylamines were shown to graft onto the GO surface via covalent and ionic-bonding, and GO was partially reduced into graphene during alkylation. The dispersion of GO in the rubber matrix was significantly improved after modification due to the broader interlayer gallery of GO sheets after intercalation by allcylamine molecules. Both modified GO exhibited significantly higher reinforcing efficiencies for SBR due to the combination of improved dispersion and increased surface affinity of modified GO for the rubber matrix. Systems modified with oleylamine possessed stronger interfacial interactions than those modified with octadecylamine, which can be attributed to the additional interfacial cross-linking between sulfur and oleylamine in oleylamine modified systems. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：553 / 562
页数：10
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