High tenacity polyethylene-2, 6-naphthalate fibers

Details High tenacity polyethylene-2, 6-naphthalate fibers High tenacity polyethylene-2, 6-naphthalate fibers

D - Textiles, Paper

01

F

D01F 6/84 (2006.01) B29C 70/16 (2006.01) B29D 30/06 (2006.01) B60C 9/00 (2006.01) B60C 9/08 (2006.01) D01D 5/08 (2006.01) D01D 5/12 (2006.01) D01F 6/62 (2006.01)

Patent

CA 2450158

The present invention relates to a high strength polyethylene-2,6-naphthalate fiber produced by a method comprising controlling the stress-strain curve and fine structure of an undrawn yarn such that the drawability of the undrawn yarn in a drawing step is improved. The industrial polyethylene-2,6-naphthalate fiber with high strength according to the present invention shows high strength and low shrinkage, and a treated cord formed from this fiber has improved dimensional stability and high strength, such that it can be advantageously employed as a fibrous reinforcement material of rubber products such as tires.

La présente invention concerne une fibre de polyéthylène-2, 6-naphtalate produite selon un procédé consistant à agir sur la courbe tension-effort et sur la structure fine du fil non étiré de manière à améliorer la filabilité du fil non étiré lors de l'opération d'étirage. La fibre industrielle de polyéthylène-2, 6-naphtalate de l'invention présente une robustesse élevée et un faible retrait de sorte qu'un cordon traité réalisé à partir de cette fibre offre une stabilité dimensionnelle accrue et une grande robustesse et se prête bien comme matériau en fibre de renforcement pour produits en caoutchouc tels que des pneumatiques.

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