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Home  >  Journal list  >  Polymer Journal  >  Vol.29  No.8 (1997)  >  pp.631-636

Polymer Journal
<<Previous article Vol.29  No.8 (1997)   pp.631 - 636 Next article>>

Super Water-Retainer Hydrogels: Crosslinked Acrylamide/Succinic Acid Copolymers

Dursun Saraydin1), Erdener Karadag1) and Olgun Güven2)
1) Department of Chemistry, Cumhuriyet University
2) Department of Chemistry, Hacettepe University

ABSTRACT:  Super water-retainer hydrogels in the rod form were prepared by copolymerization of acrylamide and succinic acid monomers with γ radiation. Swelling took place in water at 25°C and was followed by weighing. The influence of dose and relative content of succinic acid on the swelling properties, diffusional behavior of water, diffusion coefficients and network properties of hydrogel systems were examined. Acrylamide/succinic acid hydrogels were swollen in the range of 750–960%, while polyacrylamide hydrogels at 650–700%. Water diffusion into hydrogels was non-Fickian type diffusion. Diffusion coefficients of acrylamide/succinic acid hydrogels were calculated by the short time approximation as 4.6×10−7–7.9×10−7 cm2s−1.

Acrylamide-Succinic Acid/ Hydrogel/ Swelling

Published online: April 01, 2005
© Copyright, 2005 by The Society of Polymer Science, Japan



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