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Indian Journal of Engineering and Materials Sciences (IJEMS) >
IJEMS Vol.19 [2012] >
IJEMS Vol.19(5) [October 2012] >
| Title: | Polyelectrolyte hydrogels of chitosan and polyacrylamide: A comparison of electroactive characteristics |
| Authors: | Shamsudeen, Rahna K
Jayakumari, V G
Rajeswari, R
Mukundan, T |
| Keywords: | Chitosan
Hydrogel
Cross-linking
Electroactive
Swelling |
| Issue Date: | Oct-2012 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | In this paper, studies on polyelectrolyte
hydrogels of both anionic and cationic type are reported. Partially hydrolysed
polyacrylamide-polyvinyl alcohol interpenetrating polymer (IPN) has been
synthesized as the anionic hydrogel and chitosan-polyvinyl alcohol
interpenetrating polymers have been synthesized as the cationic one, both
through a simultaneous IPN method. In both cases, the crosslink densities are
varied and investigated for their swelling behaviour and rheological
properties. The stimulus sensitivity of the hydrogels is determined by
subjecting them to applied electric fields. The responses of the various
hydrogels are correlated with the shear moduli, the crosslink densities and the
swelling behaviour. An interesting observation of simultaneous bending of
multiple gel slabs in different directions upon the application of the electric
field is also reported. |
| Page(s): | 331-337 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1017 (Online); 0971-4588 (Print) |
| Source: | IJEMS Vol.19(5) [October 2012]
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