A device for studies of the early stages of post-spinning crystallization in polymer fibres

An apparatus for investigation of the early stages of crystallization under tension of polymeric fibres has been constructed. The heating time of poly(ethylene terephthalate) fibre with filament diameter of 20 μm was measured to be about 16 ms at a heating rate of 10 4 K s −1. The experimental resul...

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Bibliographic Details
Published in:Polymer (Guilford) 1988, Vol.29 (7), p.1211-1215
Main Authors: Hristov, H.A., Schultz, J.M.
Format: Article
Language:English
Subjects:
Applied sciences
crystallization
Exact sciences and technology
Fibers and threads
fibres
Forms of application and semi-finished materials
poly(ethylene terephthalate)
Polymer industry, paints, wood
Technology of polymers
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Summary:An apparatus for investigation of the early stages of crystallization under tension of polymeric fibres has been constructed. The heating time of poly(ethylene terephthalate) fibre with filament diameter of 20 μm was measured to be about 16 ms at a heating rate of 10 4 K s −1. The experimental results showed multistage crystallization at low stress. At high stress and temperatures, the crystallization process exhibits only one stage. The activation energy of the process and the crystallization velocity are derived.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(88)90046-8