Method for the production of cellulose carbamate by means of...

Details Method for the production of cellulose carbamate by means of... Method for the production of cellulose carbamate by means of...

C - Chemistry, Metallurgy

08

B

C08B 15/06 (2006.01) D01F 2/00 (2006.01) D01F 2/24 (2006.01)

Patent

CA 2493845

The invention relates to a method for the production of cellulose carbamate by reactive extrusion and for the production of moulded bodies from regenerated cellulose. The method for the production of cellulose carbamate is based on the activation of cellulose, subsequent separation of the activation solution, followed by reactive extrusion of the activated cellulose. Typical examples of the moulded bodies produced therefrom are fibres, films, beads, sponges or sponge-type cloths.

L'invention concerne un procédé pour la production de carbamate de cellulose par extrusion réactive et de corps moulés à partir de cellulose régénérée. Ce procédé de production de carbamate de cellulose est fondé sur l'activation de la cellulose, la séparation ultérieure de la solution de l'activation et l'extrusion réactive ultérieure de la cellulose activée. Parmi des exemples typiques de corps moulés pouvant être ainsi obtenus figurent des fibres, des feuilles, des perles, des éponges ou des tissus éponges.

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