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A segmental interaction model for liquid-liquid equilibria correlation and prediction Application to the poly(vinyl alcohol)/water system

Application to the poly(vinyl alcohol)/water system

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Abstract.

A segmental interaction model containing the combinatorial, free-volume and energetic contributions to the excess Gibbs energy has been developed. The energetic contribution is based on the solution of segment concept. The model has been applied to the system poly(vinyl alcohol)/water between 330 and 420 K. The closed loop diagram, the lower and upper critical temperatures are correlated, using weakly temperature dependent UNIQUAC parameters.

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Authors and Affiliations

  1. The National Technical University of Athens, Department of Chemical Engineering, Athens, Greece, , , , , , GR

    Eftychia Panagou

  2. Kozarčeva 7, 10000 Zagreb, Croatia, , , , , , HR

    Jean Vidal

  3. INA-Industrija nafte, d.d., Research and Development, 10000 Zagreb, Croatia, , , , , , HR

    Grozdana Bogdanić

Authors
  1. Eftychia Panagou
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  2. Jean Vidal
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  3. Grozdana Bogdanić
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Received: 28 August 1997/Revised version: 13 November 1997/Accepted: 13 November 1997

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Panagou, E., Vidal, J. & Bogdanić, G. A segmental interaction model for liquid-liquid equilibria correlation and prediction Application to the poly(vinyl alcohol)/water system. Polymer Bulletin 40, 117–123 (1998). https://doi.org/10.1007/s002890050232

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  • DOI: https://doi.org/10.1007/s002890050232

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