Synthesis and characterization of an interpenetrating polymer network composed of poly(methacrylic acid) and poly(vinyl alcohol)

被引：17

作者：

Kim, SJ ^{[1
]}

Yoon, SG ^{[1
]}

Kim, SI ^{[1
]}

机构：

[1] Hanyang Univ, Dept Biomed Engn, Seoul 133791, South Korea

来源：

POLYMER INTERNATIONAL | 2005年 / 54卷 / 01期

关键词：

poly(methacrylic acid); poly(vinyl alcohol); interpenetrating networks (IPN);

D O I：

10.1002/pi.1659

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 interpenetrating polymer network (IPN) hydrogels, constructed with poly (methacrylic acid) (PMAA) and poly(vinyl alcohol) (PVA), by a sequential IPN method, were studied. The characterization of IPN hydrogels was investigated by Fourier-transform infrared spectroscopy, differential scanning calorimetry (DSC) and swelling under various conditions. The IPN hydrogels exhibited relatively high swelling ratios, in the range 230-380 %, at 25 degreesC. The swelling ratios of the PMAA/PVA IPN hydrogels were pH and temperature dependent. DSC was used for the quantitative determination of the amounts of freezing and non-freezing water. The amount of free water increased with increasing PMAA content in the IPN hydrogels. (C) 2004 Society of Chemical Industry.

引用

页码：149 / 152

页数：4

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