Refining assisting agent and refining method using the same

Details Refining assisting agent and refining method using the same Refining assisting agent and refining method using the same

C - Chemistry, Metallurgy

08

B

C08B 37/08 (2006.01) D21B 1/16 (2006.01) D21C 9/00 (2006.01) D21H 17/24 (2006.01)

Patent

CA 2058312

A refining assisting agent comprising sulfonated chitosan has been provided. With the addition of the sulfonated chitosan according to the present invention, power needed in the refining can be remarkably reduced compared with that needed in the conventional refining. In addition, the refining assisting additive improves paper strength.

L'invention porte sur un agent d'aide au raffinage comprenant un chitosane sulfoné. L'addition du chitosane sulfoné conformément à la présente invention permet de réduire considérablement la quantité d'énergie nécessaire au raffinage en comparaison à la quantité d'énergie exigée lors du raffinage classique. De plus, l'additif d'aide au raffinage améliore la résistance du papier.

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