Paper making process using binder/filler agglomerates

Details Paper making process using binder/filler agglomerates Paper making process using binder/filler agglomerates

D - Textiles, Paper

21

H

D21H 17/42 (2006.01) D21H 17/44 (2006.01)

Patent

CA 2755351

A process for making paper, comprising contacting an anionic binder with a cationizing agent to make a cationized binder, contacting the cationized binder with an anionic pigment to form a binder/pigment agglomerate, contacting the agglomer-ate with an aqueous slurry of fibers, and forming a paper product from the slurry. The agglomerate may reduce the total cost of the paper product being produced while maintaining the strength of the paper at acceptable levels.

L'invention porte sur un procédé pour fabriquer du papier, lequel procédé comprend la mise en contact d'un liant anionique avec un agent de cationisation afin de réaliser un liant cationisé, la mise en contact du liant cationisé avec un pigment anionique afin de former un agglomérant liant/pigment, la mise en contact de l'agglomérat avec une suspension aqueuse de fibres, et la formation d'un produit de papier à partir de la suspension. L'agglomérat peut réduire le coût total du produit de papier qui est produit, tout en maintenant la robustesse du papier à des niveaux acceptables.

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