Preparation and characterization of thermosensitive poly(N-isoipropylacrylamide)/poly(ethylene oxide) semi-interpenetrating polymer networks

被引：35
|
作者：
Kim, SJ [1 ]
Lee, CK
Lee, YM
Kim, SI
机构：
[1] Hanyang Univ, Dept Biomed Engn, Seoul 133791, South Korea
[2] Hanyang Univ, Sch Chem Engn, Seoul 133791, South Korea
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2003年 / 90卷 / 11期
关键词：
interpenetrating networks (IPN); poly(N-isopropylacrylamide); poly(ethylene oxide); hydrogels; swelling;
D O I：
10.1002/app.13029
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Temperature-sensitive poly(N-isopropylacrylamide) hydrogels were successfully synthesized by using poly(ethylene oxide) as the interpenetrating agent. The newly prepared semi-interpenetrating polymer network (semi-IPN) hydrogels exhibited much better properties as temperature-sensitive polymers than they did in the past. Characterizations of the IPN hydrogels were investigated using a swelling experiment, FTIR spectroscopy, and differential scanning calorimetry (DSC). Semi-IPN hydrogels exhibited a relatively high temperature dependent swelling ratio in the range of 23-28 at room temperature. DSC was used for the determination of the lower critical solution temperature of the semi-IPN hydrogel. (C) 2003 Wiley Periodicals, Inc.
引用
收藏
页码：3032 / 3036
页数：5
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