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Title: Modification of poly(ethylene terephthalate) fibre by polymer blending with poly(butylene terephthalate) fibre: Part VI-Annealing behaviour
Authors: Mishra, S P
Deopura, B L
Keywords: Annealing;Poly(butylenes terephthalate);Poly(ethylene terephthalate);Polymer blending
Issue Date: Sep-1990
Publisher: NISCAIR-CSIR, India
Abstract: The improvement in the properties of blended fibres prepared from poly(ethylene terephthalate) and 0-10% poly(butylene terephthalate) during annealing is influenced by chain entanglement and extent of phase segregation. The structural properties like crystallinity, birefringence and amorphous orientation of 98/2 PET/PBT blend fibre show minimum change due to chain entanglement resulting in better mechanical properties, 94/6 PET/PBT fibre shows maximum change in structural properties owing to phase segregation during annealing. The mechanical properties of 92/8 PET/PBT blend fibres deteriorate after annealing as a result of two-phase structure leading to higher incompatibility.
Page(s): 100-103
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.15(3) [September 1990]

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