Method of retention aid program addition for improved paper...

Details Method of retention aid program addition for improved paper... Method of retention aid program addition for improved paper...

D - Textiles, Paper

21

H

D21H 23/14 (2006.01) D21H 17/01 (2006.01) D21H 21/10 (2006.01) D21H 23/04 (2006.01) D21H 23/18 (2006.01)

Patent

CA 2219332

The present invention relates to a method for manufacturing paper board which contains no inorganic filler. Pulp fines from the white water system and retention agents are mixed and then fed to the stock upstream of the paper machine prior to blending with the long fiber stock. Once flocculation takes place, the stock is drained to form a sheet and the sheet is dried.

Méthode de fabrication d'un carton ne contenant aucune charge inorganique. Des fines de pâte, provenant du système de distribution d'eau blanche, ainsi que des séquestrants sont mélangés puis incorporés à la composition de fabrication en amont de la machine à papier, avant le mélange avec la composition de fibres longues. Lorsque la floculation a lieu, la composition est drainée pour former une feuille, et cette feuille est ensuite séchée.

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