1985
DOI: 10.1002/pol.1985.180230106
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A pulsed NMR study of the effects of initial morphology on the structure of extrusion‐drawn poly(ethylene terephthalate)

Abstract: Proton spin–spin relaxation times and the Weibull coefficient have been measured as functions of temperature for poly(ethylene terephthalate) (PET) drawn at 50°C in both the amorphous and the semicrystalline (50%) states. Two relaxation times T2a (long) and T2c (short) are observed for all samples. They are ascribed, respectively, to the relaxation of the amorphous and of the crystalline components including highly strained noncrystalline segments. Effects of initial morphology are found for chain mobility in … Show more

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Cited by 6 publications
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