Crimped yarn, method for manufacture thereof, and fiber...

Details Crimped yarn, method for manufacture thereof, and fiber... Crimped yarn, method for manufacture thereof, and fiber...

D - Textiles, Paper

01

F

D01F 8/14 (2006.01) D01F 6/62 (2006.01) D01F 6/92 (2006.01) D02G 1/12 (2006.01)

Patent

CA 2625343

Disclosed are: a crimped yarn which comprises a synthetic fiber comprising an aliphatic polyester resin (A) and a thermoplastic polyamide resin (B) and in which the ratio of the exposed surface area of the aliphatic polyester resin (A) to the surface area of the fiber is 5% or less, wherein a multifilament composed of a plurality of the synthetic fibers is crimpled; a fiber structure comprising the crimped yarn as at least a part of the fiber structure. More specifically, disclosed are: a crimped yarn which comprises a polymer alloy synthetic fiber comprising an aliphatic polyester resin (A) and a thermoplastic polyamide resin (B); a crimped yarn which comprises a core- sheath-type composite fiber, wherein the core component comprises an aliphatic polyester resin (A) or a polymer alloy composed of the aliphatic polyester resin (A) and a thermoplastic polyamide resin (B) and the sheath component comprises the thermoplastic polyamide resin (B); and a fiber structure comprising the crimped yarn as at least a part of the fiber structure.

Cette invention concerne un fil frisé comprenant une fibre synthétique contenant une résine de polyester aliphatique (A) et une résine de polyamide thermoplastique (B) et dont le rapport de la surface apparente de la résine de polyester aliphatique (A) à la surface de la fibre est inférieur ou égal à 5 %, un fil multifilament composé d~une pluralité des fibres synthétiques étant frisé, et une structure de fibre constituée au moins partiellement du fil frisé. Plus précisément, cette invention concerne un fil frisé comprenant une fibre synthétique en alliage polymère contenant une résine de polyester aliphatique (A) et une résine de polyamide thermoplastique (B) ; un fil frisé comprenant une fibre composite à âme enrobée, l~élément âme contenant une résine de polyester aliphatique (A) ou un alliage polymère formé de la résine de polyester aliphatique (A) et d~une résine de polyamide thermoplastique (B) et l~élément gaine contenant la résine de polyamide thermoplastique (B) ; et une structure de fibre constituée au moins partiellement du fil frisé.

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