Poly(N-isopropylacrylamide-co-sodium acrylate) hydrogels:: Interactions with surfactants

被引：8

作者：

Mohan, Y. M. ^{[1
]}

Joseph, D. K. ^{[1
]}

Geckeler, K. E. ^{[1
]}

机构：

[1] GIST, Dept Mat Sci & Engn, Lab Appl Macromol Chem, Kwangju 500712, South Korea

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2007年 / 103卷 / 05期

关键词：

N-isopropylacrylamide; hydrogel; swelling behavior; surfactant; networks;

D O I：

10.1002/app.25448

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly(N-isopropylacrylamide-co-sodium acrylate) [poly(NIPAM-co-SA)] hydrogels were modified with three different kind of surfactants (cationic, anionic, and nonionic) to study the effect on the swelling properties. The structural variation of the surfactant-modified hydrogels was investigated in detail. The interaction between the surfactants and the hydrogel varies and strictly depends on the surfactant type. The variation in thermal stability of the modified surfactant hydrogels was investigated and compared with unmodified hydrogel. Further, the hydrogel swelling/diffusion kinetic parameters were investigated and diffusion of water into hydrogel was found to be of the non-Fickian transport mechanism. (c) 2006 Wiley Periodicals, Inc.

引用

页码：3423 / 3430

页数：8

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