Abstract
The phase behavior and the interchange reactions in binary blends composed of poly(butylene terephthalate) (PBT) and two poly(ester-carbonate) (PEC) copolymers were studied by differential scanning calorimetry (DSC). Results of thermal transitions of the blends indicated that the miscibility level depends on the preparation method used. Melt-mixed and precipitated blends appeared monophasic, while those prepared by casting were phase separated. Interchange reactions progressively developed in the blends when they were maintained in the melt state for increasing periods of time.
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Rodríguez, J., Eguiazábal, J. & Nazábal, J. Phase Behavior and Interchange Reactions in Poly(butylene terephthalate)/Poly(ester-carbonate) Blends. Polym J 28, 501–506 (1996). https://doi.org/10.1295/polymj.28.501
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DOI: https://doi.org/10.1295/polymj.28.501
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