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| - Phase Transformations in Aqueous Low Molar Mass Poly(vinyl methyl ether) Solutions: Theoretical Prediction and Experimental Validation of the Peculiar Solvent Melting Line,Bimodal LCST, and (Adjacent) UCST Miscibility Gaps
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| - Supported by theoretical predictions based on the Wertheim Lattice Thermodynamic Perturbation Theory,modulated temperature differential scanning calorimetry (MTDSC) was used to further the knowledge of thephase behavior of aqueous poly(vinyl methyl ether) (PVME) solutions. Using a narrowly dispersed low molarmass PVME, we determined the following phase boundaries: (i) a bimodal lower critical solution temperature(LCST) miscibility gap at physiological temperature (around 37 °C), (ii) an upper critical solution temperature(UCST) two-phase area at sub-zero temperatures and high polymer concentration, and (iii) the melting lineof the solvent across the entire concentration range, showing a peculiar stepwise decrease with composition.The location of the glass transition region and its influence on the crystallization/melting behavior of thesolvent is discussed.
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