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On the ordered structure of poly(butylene terephthalate) in polyester blends

✍ Scribed by Desper, C. Richard ;Kimura, M. ;Porter, Roger S.

Publisher
Wiley (John Wiley & Sons)
Year
1984
Tongue
English
Weight
317 KB
Volume
22
Category
Article
ISSN
0098-1273

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✦ Synopsis

Abstract

Some unusual x‐ray diffraction results have been obtained corresponding to an ordered structure in binary blends of a poly(butylene terephthalate) (PBT) with a polyarylate. The polyarylate is a noncrystallizable copolyester of bisphenol‐A with a 50–50 mix of terephthaloylisophthaloyl units. The two polyesters have been previously found by us to be compatible in their mutual amorphous phase. The x‐ray data are shown to be consistent with a nematic order for the PBT in the blends.

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## Abstract Summary: The crystallization of the PBT minor phase in an EEA continuous matrix has been studied by DSC and SEM. When PBT is the minor phase, PBT crystallizes at a lower temperature, as expected, near __T__~c,f1~ = 105 °C. Introducing different CB nanoparticles into the EEA continuous p