Swelling characterization of the semiinterpenetrating polymer network hydrogels composed of chitosan and poly(diallyldimethylammonium chloride)

被引：49

作者：

Kim, SJ ^{[1
]}

Yoon, SG ^{[1
]}

Kim, IY ^{[1
]}

Kim, SI ^{[1
]}

机构：

[1] Hanyang Univ, Dept Biomed Engn, Seoul 113605, South Korea

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2004年 / 91卷 / 05期

关键词：

interpenetrating polymer network (IPN); hydrogels; swelling;

D O I：

10.1002/app.13516

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- and pH-responsive semiinterpenetrating polymer network (SIPN) hydrogels, constructed with chitosan (CS) and poly(diallyldimethylammonium chloride) (PDADMAC), were studied. The characterizations of the IPN hydrogels were investigated by fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), and swelling tests, under various conditions. CS/PDADMAC SIPN hydrogels exhibited a relatively high swelling ratio, in the range of 248-462%, at 25degreesC. The swelling ratio of CS/PDADMAC IPN hydrogels are pH, temperature, and ionic concentration dependent. DSC was used for the quantitative determination of the amounts of freezing and nonfreezing water. The amount of free water increased with increasing PDADMAC content in the IPN hydrogels. (C) 2004 Wiley Periodicals, Inc.

引用

页码：2876 / 2880

页数：5

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