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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. ORCID: https://orcid.org/0000-0002-7221-2630 (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

Abstract/Summary

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
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Thermal Analysis (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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