Process for shaping cellulose solutions

D - Textiles – Paper – 01 – F

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D01F 2/00 (2006.01) C08B 16/00 (2006.01)

Patent

CA 1078569

PRECIS DE LA DIVULGATION: L'invention concerne un procédé d'obtention d'articles en forme en cellulose. Il consiste à extruder une solution contenant au moins 6 % en poids par volume de cellulose dans le diméthylsulfoxyde (DMSO), ladite solution contenant du formaldéhyde dans un rapport fromldéhyde/cellulose compris entre 0,2 et 0,6 en poids, dans un bain coagulant à base d'eau et de DMSO, à température au plus égale à 10°C. Ce procédé permet d'obtenir des articles en forme tels que filaments, fibres, membranes, films, feuilles utilisables notamment dans le domaine textile.

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