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Influence of interchange reactions on the miscibility of polyesterurethanes/polycarbonate binary blends

✍ Scribed by Tae Oan Ahn; Soonuk Jung; Jongwhi Lee; Han Mo Jeong

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 180 KB
Volume: 64
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19970620)64:12<2363::aid-app11>3.0.co;2-2

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✦ Synopsis

A series of thermoplastic polyurethane elastomers (TPUs) with various hard-segment contents was prepared using 4,4 -diphenylmethane diisocyanate and 1,4-butanediol as the hard segment and poly(ethylene adipate)diol or poly(butylene adipate)diol, whose number-average molecular weight is 2000, as the soft segment. The miscibility of TPU/polycarbonate (PC) blends observed by differential scanning calorimetry was enhanced by the interchange reaction at high temperature. Both hard and soft segments were suggested to be involved in the interchange reaction with PC.

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