Simultaneous functionalization and reduction of graphene oxide with polyetheramine and its electrically conductive epoxy nanocomposites

被引：0
作者：
Gongqing Tang
Zhi-Guo Jiang
Xiaofeng Li
Hao-Bin Zhang
Zhong-Zhen Yu
机构：
[1] Beijing University of Chemical Technology,State Key Laboratory of Organic
[2] Beijing University of Chemical Technology,Inorganic Composites, Department of Polymer Engineering, College of Materials Science and Engineering
来源：
Chinese Journal of Polymer Science | 2014年 / 32卷
关键词：
Graphene oxide; Epoxy; Chemical reduction; Electrical conductivity; Glass transition temperature;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Simultaneous functionalization and reduction of graphene oxide (GO) is realized by refluxing of GO suspension with polyetheramine (D2000) followed by thermal treatment at 120 °C. Compared to GO, the D2000-treated GO (GO-D2000) becomes hydrophobic, thermally stable and highly conductive with an electrical conductivity of 11 S/m, which is almost 8 orders of magnitude higher than that of GO. Due to the high conductivity and improved dispersion of GO-D2000, its epoxy nanocomposites exhibit a sharp transition from electrically insulating to conducting with a low percolation threshold of 0.71 vol%. With 3.6 wt% GO-D2000, the glass transition temperature of the epoxy nanocomposite is 27 K higher than that of neat epoxy.
引用
收藏
页码：975 / 985
页数：10
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