Phase behaviour of methylcellulose-poly(acrylic acid) blends and preparation of related hydrophilic films

Vitaliy V. Khutoryanskiy, Maria Grazia Cascone, Luigi Lazzeri, Zauresh S. Nurkeeva, Grigoriy A. Mun, Rauash A. Mangazbaeva

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The phase behavior of methylcellulose-poly(acrylic acid) mixtures was studied in aqueous solution. It was shown that the complexation between the two polymers decreases considerably the cloud-point of methylcellulose. The addition of inorganic salts shifts the critical pH values toward a higher pH region. Films were prepared based on methylcellulose-poly(acrylic acid) blends and were analyzed by dynamic mechanical thermal analysis, scanning electron microscopy and thermal gravimetric analysis. The miscibility between the two polymers in the films was shown. It was found that the thermal treatment of the films leads to their cross-linking with the formation of materials swellable both in water and ethanol. © 2003 Society of Chemical Industry.
    Original languageEnglish
    Pages (from-to)62-67
    Number of pages5
    JournalPolymer International
    Volume52
    Issue number1
    DOIs
    Publication statusPublished - Jan 2003

    Keywords

    • Interpolymer complexes
    • Miscible blends
    • Polysaccharides

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