D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 2/02 (2006.01) D01D 5/06 (2006.01) D01D 5/088 (2006.01) D01F 2/00 (2006.01)
Patent
CA 2205466
Described is a method of producing shaped cellulose bodies in which a solution of cellulose in a tertiary-amine N-oxide and, optionally, water is warm-shaped and the shaped solution cooled with air before being passed into a coagulation bath. The cooling is carried out using conditioned air with a water content of 0.1 to 7 g of water vapour per kg of dry air and a relative humidity of less than 85 %.
L'invention concerne un procédé pour fabriquer des corps cellulosiques façonnés. Dans ce procédé, une solution de cellulose avec un oxyde d'amine tertiaire et éventuellement de l'eau est formée à chaud et la solution formée est refroidie à l'air avant d'être introduite dans un bain de coagulation. Le refroidissement se fait avec de l'air conditionné contenant de 0,1 à 7 g de vapeur d'eau par kg d'air sec et ayant une humidité relative inférieure à 85 %.
Akzo Nobel N.v.
Akzo Nobel Nv
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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