Spinnerette and process for fiber production

D - Textiles – Paper – 01 – D

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Details

D01D 5/253 (2006.01) D01D 4/02 (2006.01) D01F 6/06 (2006.01)

Patent

CA 2489353

Spinnerette including a plate comprising a plurality of capillaries which have capillary ends with dividers which divide each capillary end into a plurality of openings, and a process of making polymeric fiber. The process includes passing a molten polymer through a spinnerette comprising a plurality of capillaries which have capillary ends with dividers which divide each capillary end into a plurality of openings so that the molten polymer is formed into separate polymeric fibers for each opening or the molten polymer is formed into partially split fiber for each capillary, and quenching the molten polymer to form polymeric fiber.

Une filière comprend une plaque comportant plusieurs capillaires qui comprennent des extrémités de capillaires avec des diviseurs qui divisent chaque extrémité de capillaire en une pluralité d'ouvertures. L'invention concerne aussi un procédé de fabrication de fibre polymère qui consiste à faire passer un polymère en fusion à travers une filière comportant plusieurs capillaires qui comprennent des extrémités de capillaires avec des diviseurs qui divisent chaque extrémité de capillaire en une pluralité d'ouvertures. On applique le procédé de manière à ce que le polymère en fusion forme des fibres polymères séparées pour chaque ouverture; le polymère en fusion peut aussi se présenter comme des fibres partiellement fendues pour chaque capillaire; le polymère en fusion est ensuite trempé pour former la fibre polymère désirée.

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