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Polymer Bulletin
Published in: Polymer Bulletin 1/2014

01-01-2014 | Original Paper

Synthesis and characterization of hydrogels from template polymerization of acrylic acid on to modified chitosan

Authors: Renu Singh, C. N. Murthy

Published in: Polymer Bulletin | Issue 1/2014

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Abstract

A novel hydrogel based on chitosan was prepared by graft copolymerization of acrylic acid on diamino derivative of chitosan, i.e., 6-amino-6-deoxy-chitosan (6a6dC). This diamino chitosan was grafted with acrylic acid in an aqueous solution in contrast to acetic acid in the conventional method. Hydrogen peroxide/l-ascorbic acid redox system was found to be an efficient initiator system for grafting reaction in an aqueous system at room temperature. The synthesized hydrogel, 6a6dC-g-PAA, was characterized by Fourier transform infrared, thermogravimetric analyses and Scanning electron microscopy (SEM). Thermal studies showed that it is more stable than chitosan and 6-amino-6-deoxy-chitosan. This 6a6dC-g-PAA, also showed an appreciable water absorbing capacity which was attributed to the very porous surface as observed from SEM analysis.
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Metadata
Title
Synthesis and characterization of hydrogels from template polymerization of acrylic acid on to modified chitosan
Authors
Renu Singh
C. N. Murthy
Publication date
01-01-2014
Publisher
Springer Berlin Heidelberg
Published in
Polymer Bulletin / Issue 1/2014
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-013-1046-5

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