Abstract
The experimental data on phase liquid-crystalline transitions in solutions of cellulose ethers are summarized. The effect of polymer molecular mass, the rise of which leads to the shift of boundary curves to the regions of higher temperatures and lower polymer concentrations, is considered. The replacement of the hydroxypropyl radical in cellulose ether units by the ethyl or hydroxyethyl radical leads to a decrease in the concentration of the LC phase. It is shown that the higher the polarity of solvent molecules, the more negative the Gibbs energy of mixing and the higher the second virial coefficients, i.e., the better the solubility of cellulose ethers.
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Vshivkov, S.A., Rusinova, E.V. Effect of Component Nature on Liquid-Crystalline Transitions in Solutions of Cellulose Ethers. Polym. Sci. Ser. A 60, 65–73 (2018). https://doi.org/10.1134/S0965545X18010078
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DOI: https://doi.org/10.1134/S0965545X18010078