Method of manufacturing cellulose beads

Details Method of manufacturing cellulose beads Method of manufacturing cellulose beads

C - Chemistry, Metallurgy

08

J

C08J 3/16 (2006.01) C08B 16/00 (2006.01) C08J 3/14 (2006.01) C08L 1/00 (2006.01)

Patent

CA 2225875

A method for producing cellulose beads which are high in sphericity and narrow in bead size distribution. Cellulose beads are produced by supplying a cellulose solution into a rotating vessel that are rotated at high speed by a rotary shaft and have outlets such as small holes and nozzles, flying droplets formed under a centrifugal acceleration of 10 to 1000 G through the outlets that have a diameter of 0.1 to 5.0 mm, and capturing the droplets with a coagulating solution to coagulate the droplets.

Méthode de production de granulés de cellulose présentant un niveau de sphéricité élevé et une distribution granulométrique étroite. Pour fabriquer ces granulés de cellulose, on verse une solution de cellulose dans un récipient animé, sous l'action d'un arbre rotatif, d'un mouvement de rotation rapide et offrant des orifices de sortie en forme de petits trous ou de becs; les gouttelettes formées sous l'effet d'une accélération centrifuge de 10 à 1 000 g sont alors projetées par ces orifices d'un diamètre de 0,1 à 5,0 mm; et elles sont récupérées dans une solution coagulante permettant de les coaguler.

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