Annealing of gel-spun hot-drawn ultra-high molecular weight polyethylene fibres

Gel-spun hot-drawn ultra-high molecular weight polyethylene (UHMWPE) fibres were annealed with fixed fibre ends, at temperatures near the orthorhombic--hexagonal lattice transition temperature. A permanently reduced tensile modulus without loss in tensile strength, i.e. increased elongation at break...

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Bibliographic Details
Published in:Polymer bulletin (Berlin, Germany) Germany), 1988-05, Vol.19 (5), p.481-486
Main Authors: DIJKSTRA, D. J, PENNINGS, A. J
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Mechanical properties
Physical properties
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Summary:Gel-spun hot-drawn ultra-high molecular weight polyethylene (UHMWPE) fibres were annealed with fixed fibre ends, at temperatures near the orthorhombic--hexagonal lattice transition temperature. A permanently reduced tensile modulus without loss in tensile strength, i.e. increased elongation at break, was observed upon tensile testing of these annealed fibres. The unchanged tensile strength upon annealing, indicates that the tensile strength is likely to be determined by the entanglement concentration. 18 ref.--AA
ISSN:0170-0839
1436-2449
DOI:10.1007/BF00263918