Citation: Gongqing Tang, Zhi-Guo Jiang, Xiaofeng Li, Hao-Bin Zhang, Zhong-Zhen Yu. Simultaneous Functionalization and Reduction of Graphene Oxide with Polyetheramine and Its Electrically Conductive Epoxy Nanocomposites[J]. Chinese Journal of Polymer Science, ;2014, 32(8): 975-985. doi: 10.1007/s10118-014-1488-8 shu

Simultaneous Functionalization and Reduction of Graphene Oxide with Polyetheramine and Its Electrically Conductive Epoxy Nanocomposites

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State Key Laboratory of Organic-Inorganic Composites, Department of Polymer Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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1. State Key Laboratory of Organic-Inorganic Composites, Department of Polymer Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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2. Beijing Key Laboratory on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 100029, China
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Received Date: 13 February 2014
Revised Date: 13 May 2014

Fund Project: This work was financially supported by the National Natural Science Foundation of China (Nos. 51125010 and 51221002) and the Specialized Research Fund for the Doctoral Program of Higher Education of China (No. 20100010110006).

Simultaneous functionalization and reduction of graphene oxide (GO) is realized by refluxing of GO suspension with polyetheramine (D2000) followed by thermal treatment at 120℃. 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.
- Graphene oxide,
- Epoxy,
- Chemical reduction,
- Electrical conductivity,
- Glass transition temperature
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