A process for the production of paper

Details A process for the production of paper A process for the production of paper

D - Textiles, Paper

21

H

D21H 21/10 (2006.01) D21H 17/37 (2006.01) D21H 17/45 (2006.01) D21H 17/68 (2006.01) D21H 23/14 (2006.01)

Patent

CA 2237337

The invention relates to a process for the production of paper from a suspension of cellulose containing fibres, and optional fillers, which comprises adding a water-soluble cationic or amphoteric branched acrylamide-based polymer and an anionic aluminium-containing silica sol to the suspension and forming and draining the suspension on a wire.

L'invention porte sur un procédé de fabrication de papier à partir d'une suspension de fibres contenant de la cellulose et, éventuellement, de matières de charge. Le procédé consiste à ajouter à la suspension un polymère à base d'acrylamide ramifié, hydrosoluble, cationique ou amphotère ainsi qu'une solution colloïdale de dioxyde de silicium anionique, contenant de l'aluminium, et à constituer puis à égoutter la suspension sur une toile machine.

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