Poly(butylene terephthalate)–polyarylate blends

James Patrick Runt, D. M. Miley, K. P. Gallagher, X. Zhang, C. A. Barron, S. K. Kumar

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Abstract

In this paper we focus on miscible blends of two engineering polymers: poly(butylene terephthalate) (PBT) and a polyarylate (PAr). The issue of transesterification in these blends will be addressed, followed by a discussion of the crystallization kinetics of PBT, poly(ethylene terephthalate) and several PBT/PAr blends. The ability to estimate polymer–polymer interaction parameters in blends from melting point depression will also be discussed. The amorphous phase behavior of the PBT/PAr blends has been explored primarily using dielectric spectroscopy. For blends in which PBT has crystallized, we observe two relaxations associated with Tg‐like motion, and this behavior is interpreted in light of our recent work on order–disorder interphases in crystalline blends.

Original languageEnglish (US)
Pages (from-to)333-338
Number of pages6
JournalPolymers for Advanced Technologies
Volume5
Issue number6
DOIs
StatePublished - Jan 1 1994

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics

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    Runt, J. P., Miley, D. M., Gallagher, K. P., Zhang, X., Barron, C. A., & Kumar, S. K. (1994). Poly(butylene terephthalate)–polyarylate blends. Polymers for Advanced Technologies, 5(6), 333-338. https://doi.org/10.1002/pat.1994.220050606