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Miscibility studies of the blends of chitosan with some cellulose ethers

Yin, J. B., Luo, K., Chen, X. S. and Khutoryanskiy, V. V. (2006) Miscibility studies of the blends of chitosan with some cellulose ethers. Carbohydrate Polymers, 63 (2). pp. 238-244. ISSN 0144-8617

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To link to this item DOI: 10.1016/j.carbpol.2005.08.041


The polymeric films have been prepared based on blends of chitosan with two cellulose ethers-hydroxypropylmethylcellulose and methylcellulose by casting from acetic acid solutions. The films were transparent and brittle in a dry state but an immersion of the samples in deionized water for over 24 h leads to their disintegration or partial dissolution. The miscibility of the polymers in the blends has been assessed by infrared spectroscopy, wide-angle X-ray diffraction, scanning electron microscopy and thermal gravimetric analysis. It was shown that although weak hydrogen bonding exists between the polymer functional groups the blends are not fully miscible in a dry state. (c) 2005 Elsevier Ltd. All rights reserved.

Item Type:Article
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Thermal (CAF)
Life Sciences > School of Chemistry, Food and Pharmacy > School of Pharmacy
ID Code:13606
Uncontrolled Keywords:chitosan, cellulose ethers, blends, miscibility, hydrophilic films, POLYMER BLENDS, ACID)

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