Double-responsive polymer brushes on the surface of colloid particles

被引：72
|
作者：
Zhang, Mingming
Liu, Li [1 ]
Zhao, Hanying
Yang, Yi
Fu, Guoqi
He, Binglin
机构：
[1] Nankai Univ, Coll Chem, Key Lab Funct Polymer Mat, Minist Educ,Inst Polymer Chem, Tianjin 300071, Peoples R China
[2] Nankai Univ, Coll Chem, Key Lab Funct Polymer Mat, Minist Educ,Dept Chem, Tianjin 300071, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2006年 / 301卷 / 01期
关键词：
atom transfer radical polymerization (ATRP); polymer brush; stimuli-sensitive polymers;
D O I：
10.1016/j.jcis.2006.05.004
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Well-defined poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) brushes were synthesized on the surface of polystyrene latex particles by atom transfer radical polymerization (ATRP). It was found that the surface-initiated polymerization of DMAEMA catalyzed by CuCl/CuCl2/bpy was under good control in the solvent of acetone/water at ambient temperature (35 degrees C). High-density PDMAEMA brushes with low polydispersity (PDT 1.21) were obtained. TEM results demonstrate that the PDMAEMA-grafted particles have core-shell structure. Dynamic light scattering studies indicate that the particles with PDMAEMA brushes are both pH and temperature responsive. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码：85 / 91
页数：7
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