Paper Title:

Conversion of Chitosan to Facilitate Preparation of Chitosan Carboxylic Salt with Moisture Absorption-Retention Abilities

Periodical Advanced Materials Research (Volumes 396 - 398)
Main Theme Advances in Chemical Engineering: ICCMME 2011
Chapter Chapter 10: Chemistry Science and Applied Chemistry
Edited by Yanxuan Wen and Fuhou Lei
Pages 2193-2197
DOI 10.4028/www.scientific.net/AMR.396-398.2193
Citation Bao Feng Lin et al., 2011, Advanced Materials Research, 396-398, 2193
Online since November, 2011
Authors Bao Feng Lin, Wei Wang, Yan Ming Li, Xing Quan Liang, Yu Min Du
Keywords Chitosan (CS), Chitosan Fumarate, Chitosan Oxalate, Chitosan Salicylate
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Different chitosan carboxylic salts were successfully prepared via a simple way using chitosan and oxalic, fumaric, salicylic acid for the first time. The characterizations of the salts were evaluated by FT-IR, 13C NMR, 1H NMR, elemental analysis, XRD. The solution properties and moisture absorption-retention abilities of the salts were compared with chitosan. The result indicated that chitosan and carboxylic acid were combined with salt bond. The properties of the salts were related to the type of carboxylic acid added and the formation of salt bond. The water-solubility, wetting effect and moisture-retention absorption abilities of the salts were better than chitosan. They therefore have the potential to substitute for chitosan for easy use as coating in food preservation.

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