Method for producing furnish, furnish and paper

Details Method for producing furnish, furnish and paper Method for producing furnish, furnish and paper

D - Textiles, Paper

21

H

D21H 17/67 (2006.01) D21H 11/18 (2006.01)

Patent

CA 2757576

The invention relates to a method for preparing aqueous furnish to be used in paper or paper board manufacturing. In the method, filler and/or fibres are treated with cationic polyelectrolyte and nanofibrillated cellulose. By means of the invention, the strength of the paper and the retention of the fillers in paper can be improved. The invention also relates to a furnish prepared by the method according to the invention, and a paper or a paper board manufactured from the furnish.

L'invention concerne un procédé de préparation d'une composition de fabrication à utiliser dans la fabrication de papier ou de carton. Dans le procédé, une charge et/ou des fibres sont traitées avec un polyélectrolyte cationique et de la cellulose nanofibrillée. Par le biais de l'invention, la résistance du papier et la rétention des charges dans le papier peuvent être améliorées. L'invention concerne également une composition de fabrication préparée par le procédé selon l'invention, et un papier ou un carton fabriqué à partir de ladite composition de fabrication.

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