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https://scholarbank.nus.edu.sg/handle/10635/58674
Title: | Reversible water-swellable chitin gel | Authors: | Khor, E. Wan, A.C.A. Tee, C.F. Hastings, G.W. |
Keywords: | Carboxylmethyl-gel Chitin Hydrogel 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 | URI: | http://scholarbank.nus.edu.sg/handle/10635/58674 | ISSN: | 0887624X |
Appears in Collections: | Staff Publications |
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