Process for the production of cellulose fibres

Details Process for the production of cellulose fibres Process for the production of cellulose fibres

D - Textiles, Paper

01

F

D01F 2/00 (2006.01)

Patent

CA 2219110

The invention relates to a process for the manufacture of cellulose fibres, during which a solution of cellulose in a tertiary amine oxide is extruded through holes of a spinneret, thereby forming filaments. The extruded filaments are conveyed through an air gap, a regeneration bath and over a take- off device used to draw the filaments, the drawn filaments being subsequently processed to form cellulose fibres. During subsequent processing, said drawn filaments are subjected to a tensile stress in the longitudinal direction which is not greater than 5.5 cN/tex.

L'invention concerne un procédé de production de fibres cellulosiques selon lequel une solution de cellulose dans un oxyde d'amine tertiaire est extrudée à travers les trous d'une filière, des filaments étant ainsi formés. Les filaments extrudés sont guidés à travers un espace d'air, un bain de régénération et un dispositif de réception utilisé pour étirer les filaments, les filaments étirés étant soumis à un traitement ultérieur pour former des fibres de cellulose. Pendant le traitement ultérieur, lesdits filaments étirés sont soumis à une contrainte de traction, dans le sens longitudinal, qui ne dépasse pas 5,5 cN/tex.

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