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Miscibility studies in poly(methyl vinyl ether)/hydroxypropylcellulose binary system in aqueous solutions and solid state

Nurkeeva, Z.S., Tyukova, I.S., Suvorova, A.I., Mun, G.A., Dzhusupbekova, A.B. and Khutoryanskiy, V.V. ORCID: https://orcid.org/0000-0002-7221-2630 (2005) Miscibility studies in poly(methyl vinyl ether)/hydroxypropylcellulose binary system in aqueous solutions and solid state. Carbohydrate Polymers, 62 (1). pp. 80-86. ISSN 0144-8617

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To link to this item DOI: 10.1016/j.carbpol.2005.06.023

Abstract/Summary

The phase separation behaviour in aqueous mixtures of poly(methyl vinyl ether) and hydroxypropylcellulose has been studied by cloud points method and viscometric measurements. The miscibility of these blends in solid state has been assessed by infrared spectroscopy; methanol vapours sorption experiments and scanning electron microscopy. The values of Gibbs energy of mixing of the polymers and their blends with methanol as well as between each other were calculated. It was found that in solid state the polymers can interact with methanol very well but the polymer-polymer interactions are unfavourable. Although in aqueous solutions the polymers exhibit some intermolecular interactions their solid blends are not completely miscible. (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:13673
Uncontrolled Keywords:miscibility, polymeric films, lower critical solution temperature, thermodynamics, POLY(ACRYLIC ACID)-POLY(VINYL METHYL-ETHER), BIOARTIFICIAL POLYMERIC, MATERIALS, BLENDS, FILMS, ACID), POLYSACCHARIDES, COPOLYMERS, COMPLEXES, ETHER), WATER

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