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Turbidimetric and intrinsic viscosity study of EVA copolymer–solvent systems

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Abstract

Both Hansen solubility parameter and Flory–Huggins interaction parameter of two EVA [Poly(ethylene-co-vinyl acetate)] copolymers with different vinyl acetate content have been obtained by means of intrinsic viscosity measurements. To calculate this last parameter it was also necessary to determine the theta solvent at different temperatures of the two EVA copolymers with turbidimetric measurements. The results indicate that the vinyl acetate content is a variable which influences the composition of the theta solvent and Flory–Huggins parameter (the higher the vinyl acetate content, the lower the Flory–Huggins parameter), although its influence over the Hansen solubility parameter is almost negligible.

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Authors and Affiliations

  1. Grupo de Catálisis y Procesos de Separación (CyPS), Departamento de Ingeniería Química, Facultad de C. Químicas, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040, Madrid, Spain

    Eduardo Díez, Javier Camacho & Gabriel Ovejero

  2. Departamento de Ingeniería Química Industrial y del Medio Ambiente, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006, Madrid, Spain

    Ismael Díaz

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  1. Eduardo Díez
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  2. Javier Camacho
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  3. Ismael Díaz
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  4. Gabriel Ovejero
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Correspondence to Eduardo Díez.

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Díez, E., Camacho, J., Díaz, I. et al. Turbidimetric and intrinsic viscosity study of EVA copolymer–solvent systems. Polym. Bull. 71, 193–206 (2014). https://doi.org/10.1007/s00289-013-1054-5

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  • DOI: https://doi.org/10.1007/s00289-013-1054-5

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