Formation of a cellulose-based premix

D - Textiles – Paper – 01 – F

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D01F 2/00 (2006.01) D01D 1/02 (2006.01)

Patent

CA 2163261

A method is disclosed of forming a premix which is suitable for conversion into a cellulosic dope which can be used to produce cellulosic products. The method involves introducing into a mixing chamber predetermined quantities of shredded cellulosic material and a solution of amine oxide at an elevated temperature and stirring the mixture for a period of time by rotating mixer blades within the mixing chamber at a speed of between 40 and 80 r.p.m..

L'invention concerne un procédé de formation d'un prémélange qui peut être transformé en une solution à filer cellulosique, appropriée pour être utilisée dans la production de produits cellulosiques. Le procédé consiste à introduire dans une chambre de mélange des quantités prédéterminées d'un matériau cellulosique lacéré et une solution d'oxyde d'amine à une température élevée, et à agiter le mélange pendant une certaine durée à l'aide des lames rotatives du mélangeur dans la chambre de mélange à une vitesse comprise entre 40 et 80 tours/minute.

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