A Multifunctional Hydrogel with High-Conductivity, pH-Responsive, and Release Properties from Polyacrylate/Polyptrrole

被引:27
作者
Lin, Jianming [1 ]
Tang, Qunwei [1 ]
Wu, Jihuai [1 ]
Li, Qinghua [1 ]
机构
[1] Huaqiao Univ, Inst Mat Phys Chem, Quanzhou 362021, Peoples R China
基金
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词
adsorption; conducting polymers; hydrogels; interpenetrating networks (IPN); polypyrroles; SUPERABSORBENT COMPOSITE; ELECTRICAL-CONDUCTIVITY; SALT-RESPONSIVENESS; WATER ABSORBENCY; METHYLENE-BLUE; POLYMER; POLYANILINE; BEHAVIOR; GEL; POLY(N-ISOPROPYLACRYLAMIDE);
D O I
10.1002/app.31642
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A simple, two-step aqueous polymerization was introduced to synthesize a polyacrylate (PAC)/polypyrrole (PPy) hydrogel. The hydrogel had a semi-interpenetrating network (semi-IPN) structure with a loose, three-dimensional PAC network and a one-dimensional PPy conjugated chain. The presence of PPy led to a higher conductivity (9.1. mS/cm) for the PAC/PPy hydrogel. Because of the acrylate group on PAC and the imine group on PPy, the hydrogel showed typical pH sensitivity with two water absorption peaks at pH 4-6 and pH > 11. The loose semi-IPN structure endowed the hydrogel with good load and release functions. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 116: 1376-1383, 2010
引用
收藏
页码:1376 / 1383
页数:8
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