Diffusion Coefficients in Thermosensitive Poly(NIPAAm) Hydrogels

被引：3
|
作者：
Naddaf, Aisha A. [1 ]
Bart, Hans-Joerg [1 ]
机构：
[1] Univ Kaiserslautern, Chair Separat Sci & Technol, D-67653 Kaiserslautern, Germany
来源：
POLYMER NETWORKS | 2011年 / 306-307卷
关键词：
diffusion coefficient; mechanical properties; poly(NIPAAm) hydrogel; POLYACRYLAMIDE HYDROGELS; MECHANICAL-PROPERTIES; SWELLING BEHAVIOR; MUTUAL-DIFFUSION; KINETICS; POLY(N-ISOPROPYLACRYLAMIDE); PROTEIN; GELS; WATER; IPNS;
D O I：
10.1002/masy.201000129
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Diffusion coefficients for the moving boundary thermosensitive poly(N-isopropylacrylamide) hydrogels, which were swelled to equilibrium in aqueous solutions of either BSA or phenol, have been determined. Using a uniaxial compression apparatus the collective (D-col) and with confocal Raman spectroscopy the mutual (D-mut) diffusion coefficients were estimated. The solute distribution in the hydrogel in addition to the effect of the swelling ratio, the cross-linking ratio and the hydrogel cylinder thickness on the Young's modulus were investigated.
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页数：16
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