Compositions and processes for increasing hot stock sizing...

Details Compositions and processes for increasing hot stock sizing... Compositions and processes for increasing hot stock sizing...

D - Textiles, Paper

21

H

D21H 21/16 (2006.01) D21H 17/17 (2006.01) D21H 17/62 (2006.01)

Patent

CA 2310572

Method of processing pulp with a sizing agent, comprising adding to a cellulosic pulp, in a wet part of a paper making process, a sizing mixture of (a) rosin material and (b) an AKD sizing agent wherein at least a portion of the wet part of the paper making process is at a temperature of at least about 40 ~C.

L'invention porte sur un procédé de traitement de la pâte à papier à l'aide d'une solution d'encollage consistant à ajouter à une pâte cellulosique lors de la partie humide du processus une solution d'encollage comprenant: (a) de la colophane, et (b) un agent d'encollage AKD, pendant au moins une portion de la partie humide du processus, à une température d'au moins environ 40 ·C.

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