Preparation of spherical nanocomposites consisting of silica core and polyacrylate shell by emulsion polymerization

被引:41
作者
Mizutani, T
Arai, K
Miyamoto, M
Kimura, Y
机构
[1] Mizutani Paint Mfg Co Ltd, R&D Ctr, Yodogawa Ku, Osaka 5320006, Japan
[2] Kyoto Inst Technol, Ctr Bioresource Field Sci, Kyoto 6068585, Japan
[3] Kyoto Inst Technol, Dept Polymer Sci, Kyoto 6068585, Japan
关键词
core-shell polymers; emulsion polymerization; nanocomposites; silicas;
D O I
10.1002/app.22503
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Nanocomposite particles consisting of silica (inorganic core) and polyacrylate (organic shell) were prepared in a form of emulsion by a new and simple method-the emulsion polymerization of acrylic monomers in the presence of silica sol. The key technique of the present emulsion polymerization, which made the formation of the nanocomposites successful, is the usage of nonionic surfactant above its cloud point. The morphology of the composite was investigated by DLS, AFM, and TEM, which clearly showed formation of the core-shell-type particles. A transparent film was prepared by casting the emulsion, which showed high resistibility against organic solvents. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码:659 / 669
页数:11
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