期刊
CARBOHYDRATE POLYMERS
卷 73, 期 3, 页码 473-481出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2007.12.030
关键词
poly(acrylamide-aniline); conducting hydrogel; interpenetrating network; thermo-sensitive; release property
Interpenetrating networks (IPN) poly(acrylamide-aniline) polymer was synthesized by a two-steps aqueous polymerization method, which aniline monomer was absorbed in the network of polyacrylamide and followed by a polymerization reaction between aniline monomers. The poly(acrylamide-aniline) hydrogel possessed a conductivity of 25.28 mS cm(-1). An interpenetrating network structure model with a three-dimensional network of polyacrylamide and a one-dimensional chain of polyaniline for poly(acrylamide-aniline) conducting hydrogel was proposed, and a conduction mechanism with charge carriers (protons) hopping along the polyaniline chain was suggested. The poly(acrylamide-aniline) hydrogels have predominant thermo-sensitivity. Poly(acrylamide-aniline) hydrogels possess loading and releasing properties, an anomalous release mechanism is found. (C) 2008 Elsevier Ltd. All rights reserved.
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