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Crystallization and melting behaviour of poly(butylene terephthalate) in poly(butylene terephthalate)/polyarylate blends

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Summary

The crystallization and melting behaviour of poly(butylene terephthalate) has been studied in the pure state and in its blends with a polyarylate of bisphenol A and isophthalic/terephthalic acids. Differential scanning calorimetry has been used as experimental technique and the effects of different thermal treatments have been analyzed. Results show the hindrance for the crystallization of poly(butylene terephthalate) imposed by the presence of polyarylate, as well as the existence of multiple melting after isothermal crystallization. Explanations are given for the observed behaviours.

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Authors and Affiliations

  1. Dpto. de Ciencia y Tecnología de Polímeros, Facultad de Química, UPV/EHU, P.O. Box 1072, San Sebastian, Spain

    M. Cortázar, J. J. Iruin & J. I. Eguiazábal

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  1. M. Cortázar
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  2. J. J. Iruin
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  3. J. I. Eguiazábal
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Cortázar, M., Iruin, J.J. & Eguiazábal, J.I. Crystallization and melting behaviour of poly(butylene terephthalate) in poly(butylene terephthalate)/polyarylate blends. Polymer Bulletin 29, 415–422 (1992). https://doi.org/10.1007/BF00944839

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  • DOI: https://doi.org/10.1007/BF00944839

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