The preparation of high performance and conductive poly (vinyl alcohol)/graphene nanocomposite via reducing graphite oxide with sodium hydrosulfite

被引：122

作者：

Zhou, Tiannan ^{[1
]}

Chen, Feng ^{[1
]}

Tang, Changyu ^{[1
]}

Bai, Hongwei ^{[1
]}

Zhang, Qin ^{[1
]}

Deng, Hua ^{[1
]}

Fu, Qiang ^{[1
]}

机构：

[1] Sichuan Univ, State Key Lab Polymer Mat Engn, Coll Polymer Sci & Engn, Chengdu 610065, Peoples R China

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2011年 / 71卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Nanocomposites; Polymers; Electrical properties; Mechanical properties; GRAPHENE NANOSHEETS; ELASTIC PROPERTIES;

D O I：

10.1016/j.compscitech.2011.04.016

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Sodium hydrosulfite is used to reduce graphite oxide in current study. The preparation of poly (vinyl alcohol) (PVA)/graphene nanocomposites is realized using two simple steps: the synthesis of PVA/graphite oxide (GO) nanocomposites film and immersion of such a film in the reducing agent aqueous solution. This method prohibits the agglomeration of GO during direct reduction in PVA/GO aqueous solution, and opens a new way to scale up the production of graphene nanocomposites using a simple reducing agent. A 40% increase in tensile strength and 70% improvement in elongation at break have been obtained with only the addition of 0.7 wt.% of reduced graphite oxide. Furthermore, a good level of conductivity and a variation in the surface property of the prepared films have been observed for the composites containing graphene. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1266 / 1270

页数：5

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