Incorporation of hyperbranched polyamide-functionalized graphene oxide into epoxy for improving interfacial and mechanical properties
文献类型： 外文期刊
作者： Mi, Xiaoqian 1 ; Wei, Fang 1 ; Zeng, Liang 1 ; Zhong, Liuyue 1 ; Zhang, Junheng 1 ; Zhang, Daohong 1 ; Luo, Yongyue 3 ;
作者机构： 1.South Cent Univ Nationalities, State Ethn Affairs Commiss, Key Lab Catalysis & Mat Sci, Wuhan 430074, Peoples R China
2.South Cent Univ Nationalities, Minist Educ, Wuhan 430074, Peoples R China
3.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang, Peoples R China
关键词： hyperbranched; graphene oxide; epoxy resin; interface
期刊名称：POLYMER INTERNATIONAL （ 影响因子：2.99； 五年影响因子：2.74 ）
ISSN： 0959-8103
年卷期： 2019 年 68 卷 8 期
页码：
收录情况： SCI
摘要： The incorporation of hyperbranched polyamide-functionalized graphene oxide (HPA-GO) into epoxy was proposed to improve the interfacial and mechanical properties. Benefiting from improved dispersion and strengthened interfacial interaction, epoxy composites with HPA-GO showed significant improvements in mechanical and thermomechanical properties at low GO loading. The interaction at the HPA-GO/epoxy interface was investigated to confirm the occurrence of chemical bonding. Strong interfacial bonding improved the stress transfer and distribution of HPA-GO/epoxy interface. Accordingly, the overall strength of epoxy composites was effectively improved on account of the uniform dispersion of HPA-GO and interfacial chemical interaction between HPA-GO and epoxy. Compared with neat epoxy resin, the inclusion of 0.10 wt% HPA-GO led to 310.5 and 37.2% increase in impact strength and tensile strength, respectively. (c) 2019 Society of Chemical Industry
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