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Fabrication of conductive elastic nanocomposites via framing intact interconnected graphene networks

文献类型： 外文期刊

作者： Luo, Yongyue 1 ; Zhao, Pengfei 1 ; Yang, Qi 2 ; He, Dongning 1 ; Kong, Lingxue 3 ; Peng, Zheng 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Chinese Agr Minist, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Peoples R China

2.Sichuan Univ, State Key Lab Polymer Mat Engn, Coll Polymer Sci & Engn, Chengdu 610065, Peoples R China

3.Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia

关键词： Flexible composites;Functional composites;Electrical properties;Transmission electron microscopy (TEM);Graphene

期刊名称：COMPOSITES SCIENCE AND TECHNOLOGY （ 影响因子：8.528； 五年影响因子：7.907 ）

ISSN： 0266-3538

年卷期： 2014 年 100 卷

页码：

收录情况： SCI

摘要： Electrically conductive elastic nanocomposites with well-organized graphene architectures offer significant improvement in various properties. However, achieving desirable graphene architectures in crosslinked rubber is challenging due to high viscosity and cross-linked nature of rubber matrices. Here, three dimensional (3D) interconnected graphene networks in natural rubber (NR) matrix are framed with self-assembly integrating latex compounding technology by employing electrostatic adsorption between poly(diallyldimethylammonium chloride) modified graphene (positively charged) and NR latex particles (negatively charged) as the driving force. The 3D graphene structure endows the resulted nanocomposites with excellent electrical conductivity of 7.31 S/m with a graphene content of 4.16 vol.%, extremely low percolation threshold of 0.21 vol.% and also analogous reinforcement in mechanical properties. The developed strategy will provide a practical approach for developing elastic nanocomposites with multi-functional properties. (C) 2014 Elsevier Ltd. All rights reserved.

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