A method for treating a paper product

Details A method for treating a paper product A method for treating a paper product

D - Textiles, Paper

21

H

D21H 17/23 (2006.01) D21H 17/28 (2006.01) D21H 17/38 (2006.01) D21H 17/44 (2006.01) D21H 21/16 (2006.01) D21H 23/22 (2006.01)

Patent

CA 2692694

A method is provided for treating a paper product, the method comprising; providing a mixture comprising lignin in an aqueous solution at a concentration and pH such that substantially all the lignin is solubilised; treating the paper product with a cationic polymer followed by treating the paper product with the lignin mixture.

L'invention propose un procédé pour traiter des produits papetiers, le procédé comportant : la fourniture d'un mélange comportant de la lignine dans une solution aqueuse à une concentration et un pH tels que sensiblement toute la lignine est solubilisée ; le traitement des produits papetiers avec un polymère cationique, suivi par le traitement des produits papetiers avec le mélange de lignine.

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