Encapsulation of TiO2 particles with polystyrene and polymethyl acrylic acid and the pigmentary performances

被引：7
作者：
Ge, Chaoqun [1 ]
Wang, Aili [1 ]
Yin, Hengbo [1 ]
机构：
[1] Jiangsu Univ, Fac Chem & Chem Engn, Zhenjiang 212013, Peoples R China
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2012年 / 18卷 / 04期
关键词：
TiO2; particles; Encapsulation; Polystyrene; Polymethyl acrylic acid; Pigmentary performance; TITANIUM-DIOXIDE PARTICLES; RADICAL POLYMERIZATION; RUTILE TIO2; SURFACE;
D O I：
10.1016/j.jiec.2012.01.043
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
TiO2 particles were directly encapsulated with polystyrene and polymethyl acrylic acid by a surfactant-free polymerization method. TiO2 particles were uniformly encapsulated with polystyrene by Van der Waals force and effectively encapsulated with polymethyl acrylic acid by chemical bonding. Encapsulation of TiO2 particles with polystyrene and polymethyl acrylic acid significantly enhanced the organic dispersibility and dispersion stability of TiO2 particles in toluene because the surface property of TiO2 particles was changed from hydrophilicity to organophilicity after polymer encapsulation. The brightness and whiteness of the polymer-encapsulated TiO2 particles were similar to that of the naked TiO2. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1384 / 1390
页数：7
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