Preparation and Mechanical and Electrical Properties of Graphene Nanosheets-Poly(methyl methacrylate) Nanocomposites via In Situ Suspension Polymerization

被引：77

作者：

Wang, Jingchao ^{[1
]}

Hu, Huating ^{[1
]}

Wang, Xianbao ^{[1
,2
]}

Xu, Chunhui ^{[1
]}

Zhang, Min ^{[1
]}

Shang, Xiaopeng ^{[1
]}

机构：

[1] Hubei Univ, Minist Educ, Key Lab Green Preparat & Applicat Funct Mat, Wuhan 430062, Peoples R China

[2] Hubei Univ, Fac Mat Sci & Engn, Wuhan 430062, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2011年 / 122卷 / 03期

基金：

中国国家自然科学基金;

关键词：

graphene; PMMA; nanocomposites; electrical properties; electrorheological property; CARBON NANOTUBE; ELECTRORHEOLOGY; MICROSPHERES; FILMS; OXIDE;

D O I：

10.1002/app.34284

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Graphene nanosheets-poly(methyl methacrylate) (GNS-PMMA) nanocomposites were first prepared by in situ suspension polymerization and reduction of graphene oxide using hydrazine hydrate and ammonia. PMMA microspheres with a mean diameter of 2 mu m are mainly covalently link to the surface of GNS. The obtained GNS-PMMA composites have not only high electrical conductivity but also enhanced mechanical properties and thermal stability at low loadings of graphene. Especially, the resulting nanocomposites were examined for electrorheological fluids, showing thin and dense chains of particles after application of an electric field. (C) 2011Wiley Periodicals, Inc. J Appl Polym Sci 122: 1866-1871, 2011

引用

页码：1866 / 1871

页数：6

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