Process for the production of a cellulose moulded body

Details Process for the production of a cellulose moulded body Process for the production of a cellulose moulded body

D - Textiles, Paper

01

F

D01F 2/02 (2006.01) C08B 1/00 (2006.01) C08J 3/28 (2006.01) C08L 1/02 (2006.01) D01F 2/00 (2006.01)

Patent

CA 2205089

The invention concerns a method of manufacturing a cellulose product, in particular cellulose fibres, a cellulose-containing material being placed in an aqueous solution of a tertiary-amine oyide and brought into suspension, and water being removed from the suspension, while stirring vigorously and maintaining the suspension at an elevated temperature and reduced pressure, until a solution of cellulose is formed. The solution is then passed through a shaping device, in particular a spinneret, and into a regenerating bath to precipitate the dissolved cellulose. The method is characterized in that the cellulose-containing material in the suspension used to produce the cellulose solution is exposed to an electron beam.

L'invention concerne un procédé de production d'un corps moulé cellulosique, notamment des fibres de cellulose, selon lequel un matériau contenant de la cellulose est introduit dans une solution aqueuse d'un oxyde d'amine tertiaire, afin d'amener le matériau à l'état de suspension. L'eau est extraite de ladite suspension par mélange intensif, à température élevée et à pression réduite, jusqu'à obtention d'une solution de cellulose. La solution est ensuite moulée à l'aide d'un outil de formage, notamment d'une filière, et est introduite dans un bain de régénération, afin de précipiter la cellulose dissoute. Ce procédé se caractérise en ce que pour obtenir la solution de cellulose, on utilise une suspension comprenant un matériau contenant de la cellulose ayant été soumis à l'action d'un faisceau électronique.

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