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Physicochemical Nature and Structural Dependence of the Unique Properties of Polyester Fibres

Physicochemical Nature and Structural Dependence of the Unique Properties of Polyester Fibres The structure and properties of PET and PET fibres are examined on three structural levels — molecular, supermolecular, and micromolecular. It was shown that the unique properties of the fibres are determined by the aliphatic-aromatic structure of PET and the chemically regular molecular structure. The structural dependence of the fundamental physicomechanical and physicochemical properties of PET and PET fibres was analyzed. It was shown that the high glass transition temperature of PET and PET fibres is determined more by molecular rigidity than by intermolecular interactions and varies little under the effect of moisture. This causes high stability of the structure in mechanical effects and exposure to heat and moisture, high reversibility of deformation, and insignificant creep under mechanical stresses. The structure and fundamental properties of PET and PET fibres are compared with the characteristics of other kinds of large-tonnage fibre-forming polymers and fibres and other aliphatic-aromatic polyesters and fibres. The advantages of using polyester fibres for fabrication of household and industrial articles are substantiated and summarized based on an examination of the properties of these fibres. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fibre Chemistry Springer Journals

Physicochemical Nature and Structural Dependence of the Unique Properties of Polyester Fibres

Perepelkin, K.
Fibre Chemistry , Volume 33 (5) – Oct 12, 2004
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References (42)

Publisher
Springer Journals
Copyright
Copyright © 2001 by Plenum Publishing Corporation
Subject
Chemistry; Polymer Sciences
ISSN
0015-0541
eISSN
1573-8493
DOI
10.1023/A:1013944806849
Publisher site
See Article on Publisher Site

Abstract

The structure and properties of PET and PET fibres are examined on three structural levels — molecular, supermolecular, and micromolecular. It was shown that the unique properties of the fibres are determined by the aliphatic-aromatic structure of PET and the chemically regular molecular structure. The structural dependence of the fundamental physicomechanical and physicochemical properties of PET and PET fibres was analyzed. It was shown that the high glass transition temperature of PET and PET fibres is determined more by molecular rigidity than by intermolecular interactions and varies little under the effect of moisture. This causes high stability of the structure in mechanical effects and exposure to heat and moisture, high reversibility of deformation, and insignificant creep under mechanical stresses. The structure and fundamental properties of PET and PET fibres are compared with the characteristics of other kinds of large-tonnage fibre-forming polymers and fibres and other aliphatic-aromatic polyesters and fibres. The advantages of using polyester fibres for fabrication of household and industrial articles are substantiated and summarized based on an examination of the properties of these fibres.

Journal

Fibre Chemistry – Springer Journals

Published: Oct 12, 2004

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