Single extruder multiportion fiber

Details Single extruder multiportion fiber Single extruder multiportion fiber

D - Textiles, Paper

01

D

D01D 5/30 (2006.01) D01F 8/04 (2006.01) D04H 1/40 (2006.01)

Patent

CA 2262509

A method of producing a fiber is provided where a liquefied polymer is divided into at least two streams. The streams are directed separately to a point of recombination, and extruded through, for example, a spinneret, and fiberized to form a single fiber having portions of each stream. The divided polymer streams are treated substantially identically from the point of division to the point of recombination.

L'invention porte sur un procédé de fabrication d'une fibre au cours duquel un polymère liquéfié est divisé en au moins deux courants. Les courants sont dirigés séparément vers un point de recombinaison et extrudés, par exemple, dans une filière, puis défibrés pour obtenir une fibre unique comportant les portions de chaque courant. Les courants du polymère divisé sont traités de manière pratiquement identique, du point de division au point de recombinaison.

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