D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 11/08 (2006.01) A44B 13/00 (2006.01) A44B 18/00 (2006.01) D04H 1/54 (2006.01)
Patent
CA 2346073
A nonwoven fabric having engaging function which has been subjected to heat embossing treatment and has, as at least one component, heat-fusible composite short fibers of core-shell or side-by-side type having a low melting polymer component in its fiber surface portion, characterized in that the surface side of the nonwoven fabric has non-embossed regions dispersed regularly or irregularly as a number of island regions having a convex shape projecting toward the surface side and has embossed regions surrounding the numerous island regions as sea regions, and ends of at least one side of the above- mentioned composite short fibers of non-embossed parts constituting island regions having a convex shape are fixed by heat and pressure on the embossed face. The nonwoven fabric is thin and flexible, and can be used as a loop side engaging member which is suitable for use in disposable goods and is reduced in production cost and further is free from the slip-off of fibers as a loop side engaging element out of the fabric even when it is pulled by a hook side engaging element and thus can maintain its strength at a high level for a long period of time.
L'invention porte sur un non tissé à fonction d'accrochage soumis à un traitement thermique de gaufrage et comportant au moins un composant de fibres courtes composites thermo-fusibles de type âme-gaine ou côte-à-côte revêtu sur la surface des fibres d'un polymère à bas point de fusion. La surface du non tissé présente des aires non gaufrées dispersées régulièrement ou non et formant des îlots convexes saillant de la surface, et des aires gaufrées entourant lesdits îlots comme une mer, les extrémités d'au moins un côté des susdites fibres courtes des parties non gaufrées formant les îlots étant fixées par température et pression à la face gaufrée. Ce non tissé, mince et souple, peut constituer un côté "boucles d'accrochage" et servir pour des articles à jeter. Son coût de production est faible et ses fibres utilisées comme boucles d'accrochage ne risquent pas de s'échapper du non tissé même lorsqu'elles sont tirées par un élément apparié muni de crochets. Elles conservent longtemps un niveau élevé de résistance.
Hata Katsumasa
Itou Hirosi
Miyazaki Tadashi
Nagi Hisashi
Takeuchi Shigekazu
Kuraray Co. Ltd.
Smart & Biggar
LandOfFree
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