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Preparation and mechanical and electrical properties of graphene nanosheets–poly(methyl methacrylate) nanocomposites via in situ suspension polymerization

✍ Scribed by Jingchao Wang; Huating Hu; Xianbao Wang; Chunhui Xu; Min Zhang; Xiaopeng Shang

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
804 KB
Volume
122
Category
Article
ISSN
0021-8995

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✦ Synopsis

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 lm 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. V

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