Synthesis and Properties of Fast Responsive, Temperature Sensitive P(NIPA-co- AA) Hydrogel

Abstract

Abstract: Poly(N-isopropylacrylamide-co-acrylamide)[P(NIPA-co-AA)] hydrogels were synthesized by carrying out the polymerization at 48 ℃. These hydrogels show large equilibrated swelling ratio(SR) at the temperature below their lower critical solution temperature(LCST) or phase transition temperature(T_tr). The LCSTof the gels is increased as the content of the hydrophilic monomer (AA) is increased. Based on our experimental results, these hydrogels exhibit a fast responsive rate to the external temperature changes. The endowed properties of these hydrogels may be useful in biotechnological and biomedical fields.

Key words: Temperature sensitive, NIPA, LCST, Hydrogel

CLC Number:

O633

TrendMD:

ZHANG Xian-Zheng, ZHUO Ren-Xi  . Synthesis and Properties of Fast Responsive, Temperature Sensitive P(NIPA-co- AA) Hydrogel[J]. Chem. J. Chinese Universities, 2000, 21(8): 1309.

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Synthesis and Properties of Fast Responsive, Temperature Sensitive P(NIPA-co- AA) Hydrogel

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