Composite fiber and polyolefin microfibers made therefrom

Details Composite fiber and polyolefin microfibers made therefrom Composite fiber and polyolefin microfibers made therefrom

D - Textiles, Paper

01

F

D01F 8/06 (2006.01) D01F 8/10 (2006.01) D01F 11/06 (2006.01)

Patent

CA 2107488

Disclosed is a composite fiber comprising at least two different polymers, one of which is a water-insoluble polyolefin and the other is a water-soluble polymer, having a plurality of at least 19 segments of the water-insoluble polyolefin, uniformly distributed across the cross-section of the fiber and being surrounded by the water-soluble polymer, a process for the manufacture of such a fiber and a process for the manufacture of microfibers therefrom.

Divulgation concernant une fibre mixte, renfermant au moins deux polymères différents, dont l'un est une polyoléfine insoluble dans l'eau et l'autre un polymère hydrosoluble; au moins 19 segments de la polyoléfine insoluble dans l'eau sont distribués uniformément sur toute la section transversale de la fibre et entourés par le polymère hydrosoluble; procédé de fabrication de ces fibres et procédé pour la fabrication de microfibres à partir de ces fibres.

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