Summary
It is shown that composition dependence of glass-transition in the compatible poly(styrene)-poly(vinylmethylether) blend exhibits deviations from additivity rules derived in the supposition of continuity of the thermodynamic excess functions of mixing. Only the acceptance of an additional adjusting parameter which accounts for interaction, enables the interpretation of experimental Tg-data. This adjusting parameter is quite different for the blends of PVME with oligomeric and high moleculare PS, respectively.
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Dedicated to Prof. C. I. Simionescu's 65th Birthday
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Schneider, H.A., Brekner, MJ. Thermodynamic aspects of the glass-transition in the compatible blend poly(styrene)-poly(vinylmethylether). Polymer Bulletin 14, 173–178 (1985). https://doi.org/10.1007/BF00708477
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DOI: https://doi.org/10.1007/BF00708477