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Abstract <p>A mechanism is proposed for the cryostructuring of aqueous solutions of polyvinyl alcohol, that is, for converting the solutions from a fluid state into elastic bodies (cryogels). In addition to the theoretical justification for the mechanism, experimental results of rheological and spectroscopic studies of the resulting cryogels are also presented. An explanation is given for the significant difference between the cryostructuring temperature of an aqueous solution of polyvinyl alcohol and the melting temperature of elastic cryogels formed from it.</p>

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Preparation of Cryogels from Aqueous Solutions of Polyvinyl Alcohol and Their Physicochemical and Rheological Properties

  • 期刊论文

  • 发表日期：

    2025年6月14日

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  • V. N. Manzhai

摘要

Abstract

A mechanism is proposed for the cryostructuring of aqueous solutions of polyvinyl alcohol, that is, for converting the solutions from a fluid state into elastic bodies (cryogels). In addition to the theoretical justification for the mechanism, experimental results of rheological and spectroscopic studies of the resulting cryogels are also presented. An explanation is given for the significant difference between the cryostructuring temperature of an aqueous solution of polyvinyl alcohol and the melting temperature of elastic cryogels formed from it.