D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 2/00 (2006.01) D06L 3/02 (2006.01) D06L 3/04 (2006.01)
Patent
CA 2212995
The invention is concerned with a process for the production of cellulose moulded bodies exhibiting high brightness, which is characterized by a combination of the steps of - bleaching pulp using a bleaching agent, provided that the bleaching agent does not contain chlorine or any chlorine compound, - dissolving the pulp bleached using the bleaching agent in an aqueous tertiary amine-oxide, a mouldable cellulose solution being obtained, and - processing the mouldable cellulose solution into moulded bodies.
L'invention concerne un procédé de production de corps moulés en cellulose à haut degré de blanc, comportant les étapes suivantes: la cellulose est blanchie par un agent de blanchiment ne contenant ni chlore ni composé chloré; la cellulose blanchie avec l'agent de blanchiment est dissoute dans un aminoxyde tertiaire aqueux, ce qui donne une solution cellulosique moulable; la solution cellulosique moulable est transformée en corps moulés.
Eichinger Dieter
Feilmair Wilhelm
Ruf Hartmut
Schild Gabriele
Lenzing Aktiengesellschaft
Sim & Mcburney
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