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Title: Reversible water-swellable chitin gel
Authors: Khor, E. 
Wan, A.C.A.
Tee, C.F. 
Hastings, G.W. 
Keywords: Carboxylmethyl-gel
Reversible gel
Issue Date: 30-Jul-1997
Citation: Khor, E., Wan, A.C.A., Tee, C.F., Hastings, G.W. (1997-07-30). Reversible water-swellable chitin gel. Journal of Polymer Science, Part A: Polymer Chemistry 35 (10) : 2049-2053. ScholarBank@NUS Repository.
Abstract: A novel reversible, water-swellable chitin gel has been produced by the carboxymethylation of a dry chitin film. The property of this material is that unlike carboxymethyl-chitin, it takes up water but is not soluble and retains a degree of rigidity even when wet. The degree of swelling depends on the reaction conditions and alkali (sodium or potassium hydroxide) used as a co-reactant during the carboxymethylation. Upon drying, the gel returns to its dry film form. This water uptake and loss is cyclic, which is a desirable property in certain applications and is a tremendous advantage in the handling of this material. © 1997 John Wiley & Sons, Inc.
Source Title: Journal of Polymer Science, Part A: Polymer Chemistry
ISSN: 0887624X
Appears in Collections:Staff Publications

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