Preparation and characterization of poly(methyl methacrylate) coated TiO2 nanoparticles

被引：43
|
作者：
Park, BJ [1 ]
Sung, JH [1 ]
Kim, KS [1 ]
Chin, I [1 ]
Choi, HJ [1 ]
机构：
[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS | 2006年 / B45卷 / 01期
关键词：
dispersion; electronic ink; TiO2; nanoparticle;
D O I：
10.1080/00222340500407855
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Titanium dioxide (TiO2) nanoparticles were modified with poly(methyl methacrylate) (PMMA) to improve the dispersion stability of the nanoparticles in a dielectric medium and to reduce the density mismatch between TiO2 and a dielectric medium for a microcapsule-type electrophoretic display application. Nanoparticles were coated with PMMA by in situ dispersion polymerization. The PMMA-coated TiO2 nanoparticles were characterized by fourier transform-infrared spectrometrey (FT-IR), electrophoretic light scattering (ELS), and scanning electron microscopy (SEM). Density of PMMA-coated TiO2 nanoparticles was found to be dependent on the thickness of the PMMA coating on the nanoparticles. An increase of thermal stability of the PMMA layer and the contents of PMMA on the surface of the nanoparticles were measured via thermogravimetric analysis (TGA).
引用
收藏
页码：53 / 60
页数：8
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