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- Title
Poly(N‐isopropylacrylamide‐co‐sodium acrylate) hydrogels: Interactions with surfactants.
- Authors
Y. M. Mohan; D. K. Joseph; K. E. Geckeler
- Abstract
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. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 103: 3423–3430, 2007
- Subjects
HYDROGELS; SURFACE active agents; SODIUM; DIFFUSION
- Publication
Journal of Applied Polymer Science, 2007, Vol 103, Issue 5, p3423
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.25448