Synthesis and properties of a dual responsive hydrogel by inverse microemulsion polymerization

被引：1

作者：

TAO WAN

MIN XU

LIYI CHEN

DAQING WU

WENZHONG CHENG

RUIXIANG LI

CHUZHANG ZOU

机构：

[1] Chengdu University of Technology,State Key Laboratory of Geohazard Prevention and Geoenvironment Protection

[2] Chengdu University of Technology,Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions

[3] PetroChina Sichuan Petrochemical Co.,undefined

[4] Ltd.,undefined

来源：

Journal of Chemical Sciences | 2014年 / 126卷

关键词：

Hydrogel; microemulsion polymerization; sensitivity; N-isopropylacrylamide;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A novel dual responsive hydrogel was synthesized by inverse microemulsion polymerization, using itaconic acid as pH-responsive monomer and N- isopropylacrylamide as thermo-responsive monomer. pH- and temperature-sensitivity and dynamic viscoelasticity behaviour of the dual responsive hydrogels were investigated. Dual responsive hydrogels showed remarkable pH- and temperature-sensitivity and enhanced viscoelastic behaviour under high stress. Temperature-induced shrinkage range of the dual responsive hydrogels was higher and broader than that of the conventional poly(N-isopropylacrylamide) hydrogel. FTIR revealed the structure of dual responsive hydrogels. The as-synthesized regular and sphere-like hydrogel particles had the average particle size of 49 nm in the range of 30–78 nm.

引用

页码：1623 / 1627

页数：4

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