High-strength spanized yarn and method for producing the same

Details High-strength spanized yarn and method for producing the same High-strength spanized yarn and method for producing the same

D - Textiles, Paper

02

G

D02G 3/02 (2006.01) D02G 1/16 (2006.01) D02J 1/08 (2006.01)

Patent

CA 2564128

A yarn produced through stretch breaking composed of high-strength short fibers which are made of at least one polymer selected from the group consisting of poly-p-phenylene terephthalamide, poly-p-phenylene benzoxazole, polyethylene, polyvinyl alcohol, and wholly aromatic polyesters and have a strength of 14 cN/dtex or higher, wherein the high-strength short fibers have an average single-yarn length of 50-90 cm and have a coefficient of variation (CV) of the average single-yarn length of 50% or lower.

La présente invention a trait à un fil à haute résistance réalisé par rupture par étirage constitué de fibres courtes de haute résistance réalisées à partir d'au moins un polymère choisi parmi le groupe constitué de poly-p-phénylène térephtalamide, poly-p-phénylène benzoxazole, polyéthylène, alcool polyvinylique, et des polyesters entièrement aromatiques et présentant une résistance égale ou supérieure à 14 cN/dtex, dans lequel les fibres courtes de haute résistance présentent une longueur moyenne de fil simple comprise entre 50 et 90 cm et un coefficient de variation (CV) de longueur moyenne de fil simple égal ou inférieur à 50 %.

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