Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19298
Title: Synthesis and properties of polypyrrole/chitosan composite hydrogels
Authors: Chen, Y
Feng, H
Li, L 
Shang, S 
Yuen, CWM
Keywords: Chitosan
Composites
Hydrogels
Polypyrroles
Static synthesis
Issue Date: 2013
Publisher: Taylor & Francis Inc
Source: Journal of macromolecular science, part a : pure and applied chemistry, 2013, v. 50, no. 12, p. 1225-1229 How to cite?
Journal: Journal of Macromolecular Science, Part A: Pure and Applied Chemistry 
Abstract: Conducting polymer hydrogels consisting of polypyrrole (PPy) and chitosan (CS) are prepared by static polymerization of pyrrole using methyl orange (MO) as the dopant and Fe2(SO4)3 as the oxidant in the CS aqueous solution. PPy/CS composite hydrogels not only have good electrical conductivities, but also exhibit excellent swelling/deswelling behaviors due to the participation of one-dimensional conducting PPy blocks in the hydrogel network. The effects of the amount of the oxidant and ionic strength on the physical properties of PPy/CS composite hydrogels are studied in detail. The results show that PPy/CS composite hydrogels have improved water absorbencies in saline solutions compared with the conventional polyelectrolyte hydrogel.
URI: http://hdl.handle.net/10397/19298
ISSN: 1060-1325
DOI: 10.1080/10601325.2013.843403
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