Fine denier fibers and fabrics made therefrom

Details Fine denier fibers and fabrics made therefrom Fine denier fibers and fabrics made therefrom

D - Textiles, Paper

01

F

D01F 8/04 (2006.01) B32B 5/02 (2006.01) B32B 5/26 (2006.01) D01D 5/30 (2006.01) D01F 8/12 (2006.01) D01F 8/14 (2006.01) D02G 3/04 (2006.01) D04H 1/42 (2006.01) D06M 11/05 (2006.01)

Patent

CA 2221135

The present invention provides a splittable conjugate fiber containing at least two incompatible polymers that are arranged in distinct segments across the cross section of the fiber, wherein the segments are continuous along the length of the fiber. The fiber can be characterized in that the segments of the fiber dissociate in less than about 30 seconds when contacted with a hot aqueous fibrillation-inducing medium. The invention also provides a fabric containing the split fibers produced from the precursor splittable conjugate fiber and laminates containing the split fiber fabric. Additionally provided is a process for producing the split fibers.

L'invention concerne une fibre conjuguée pouvant être divisée et contenant au moins deux polymères incompatibles disposés en segments distincts sur la section transversale de la fibre, lesdits segments s'étendant en continu sur la longueur de la fibre. Cette dernière peut être caractérisée par le fait que ses segments se dissocient en moins de 30 secondes, quand ils sont mis en contact avec un milieu aqueux chaud provoquant la fibrillation. L'invention concerne également un tissu contenant les fibres divisées obtenues à partir de la fibre conjuguée pouvant être divisée et jouant le rôle de précurseur, ainsi que des stratifiés contenant ledit tissu. Elle concerne, de plus, un procédé de fabrication des fibres divisées.

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