The interfibrillar phase in poly (ethylene terephthalate) fibre

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Date
1997
Authors
Gupta, V B
Jain, A K
Moharir, A V
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Abstract
Transmission electron microscopy(TEM)at high magnification of thin cross-sections of drawn multifilament poly(ethelene terephthalate)yarn and of this yarn after heat setting in the slack state at 250C and in the taut state at 258C is shawn to provide evidence for the existence of crystallites whose lateral dimensions are consistent with those measured from wide-angle x-ray diffraction(WAXD).The denser,crystalline microfibrils appear to be separated by interfibriller material of lower density in all the samples examined.The electron micrographs bring out the difference in the marpologies of the three samples,the implications of which are critically examined.
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Keywords
Plastic filaments, Polyethylene terephthalates, Yarn, Crystalline materials, X ray diffraction analysis, Transmission electron microscopy, Morphology, Interfibrilliar phases
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