Preparation and characterization of poly(N-isopropylacrylamide) films on a modified glass surface via surface initiated redox polymerization

被引：52
|
作者：
Wang, YP [1 ]
Yuan, K
Li, QL
Wang, LP
Gu, SJ
Pei, XW
机构：
[1] NE Normal Univ, Gansu Key Lab Polymer Mat, Inst Polymer, Lanzhou 730070, Peoples R China
[2] Guilin Med Coll, Dept Pharmaceut, Gulin 541004, Peoples R China
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 14-15期
基金：
中国国家自然科学基金;
关键词：
glass surface; poly(N-isopropylacrylamide); redox initiating system; ceric ion;
D O I：
10.1016/j.matlet.2005.01.048
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A functionalization with 3-aminopropyltriethoxysilane (APTES) monolayer of a hydroxylated glass surface, followed by the surface initiated graft radical polymerization of N-isopropylacrylamide (NIPAm) using amino groups of APTES monolayer chemical bonded with glass surface and Ce4+ as a redox initiating system. The microstructure of poly(N-isopropylacrylamide) (PNIPAm) film obtained from the redox graft polymerization on the modified glass surfaces was examined by water contact angle, X-ray photoelectron spectroscopy (XPS), and atomic force microscopy (AFM), and the results showed that about 60 nm thickness of thermosensitive polymer (PNIPAm) film successfully formed. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：1736 / 1740
页数：5
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