Fine denier yarn from poly(trimethylene terephthalate)

Details Fine denier yarn from poly(trimethylene terephthalate) Fine denier yarn from poly(trimethylene terephthalate)

D - Textiles, Paper

01

F

D01F 6/62 (2006.01)

Patent

CA 2372432

The invention is directed to fine denier poly(trimethylene terephthalate) feed yarns and drawn yarns and their manufacture. The yarns are drawn such that the actual draw ratio is within 10 percent of the predicted draw ratio determined according to: [(elongation to break of the feed yarn)+115]/[(elongation to break of the drawn yarn)+115)].

L'invention concerne des fils d'alimentation et des fils étirés à denier fin de poly(triméthylène téréphthalate) et leur fabrication. Les fils sont étirés de manière que le rapport réel d'étirage soit compris dans les 10 % du rapport d'étirement prévu et déterminé conformément à: [(élongation à la rupture du fil d'alimentation)+ 115]/[(élongation à la rupture du fil étiré)+ 115)].

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