pH/temperature dependent phase transition of an interpenetrating polymer network: Anomalous swelling behavior above lower critical solution temperature

被引:43
作者
Shin, BC
Jhon, MS [1 ]
Lee, HB
Yuk, SH
机构
[1] Korea Adv Inst Sci & Technol, Ctr Mol Sci, Taejon 305343, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305343, South Korea
[3] Korea Res Inst Chem Technol, Biomat Lab, Taejon 305343, South Korea
关键词
D O I
10.1016/S0014-3057(98)00025-1
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Anomalous swelling behavior has been observed in interpenetrating polymer networks (IPNs) gel composed of poly (N-isopropylacrylamide) (PNIPAIM) and poly(acrylic acid) (PAA). Calorimetric endotherms, FT-IR (Fourier transform-infrared) spectra and compression modulus show that the molecular interaction such as hydrogen bond and hydrophobic interaction serve-as a driving force which takes place with an anomalous swelling behavior. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码:1675 / 1681
页数:7
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