STRUCTURE-PROPERTY RELATIONSHIP IN COPOLYESTERS: PART II - THERMO-MECHANICAL CHARACTERIZATION OF POLY(ETHYLENE TEREPHTHALATE-HEXAMETHYLENE TEREPHTHALATE) FIBRES | Health & Environmental Research Online (HERO)

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HERO ID

8706644

Reference Type

Journal Article

Title

STRUCTURE-PROPERTY RELATIONSHIP IN COPOLYESTERS: PART II - THERMO-MECHANICAL CHARACTERIZATION OF POLY(ETHYLENE TEREPHTHALATE-HEXAMETHYLENE TEREPHTHALATE) FIBRES

Author(s)

Varma, DS; Negi, YS; Choudhary, V; Varma, IK

Year

1986

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Journal

Indian journal of textile research
ISSN: 0377-8436

Volume

Issue

Page Numbers

173-176

Language

English

Abstract

Poly(ethylene terephthalate-hexamethylene terephthalate) fibres were characterized by using DTA, DSC and a rheovibron viscoelastometer. Four copolyesters were prepared with different mol% of 1, 6-hexanediol left bracket 2. 5,5. 0,7. 5 and 10 right bracket with respect to ethylene glycol in the initial monomer feed. An increase in hexamethylene content in PET backbone increased the crystallization rate but reduced the crystallite size and overall crystallinity.