Method of increasing retention and drainage in papermaking...

Details Method of increasing retention and drainage in papermaking... Method of increasing retention and drainage in papermaking...

C - Chemistry, Metallurgy

08

F

C08F 2/20 (2006.01) C08F 220/06 (2006.01) C08F 220/56 (2006.01)

Patent

CA 2378251

This invention is directed to a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective flocculating amount of a high molecular weight water-soluble anionic or nonionic polymer.

La présente invention concerne un procédé destiné à augmenter la rétention et le drainage dans une couche fibreuse. Le procédé consiste à ajouter à la couche fibreuse une quantité de floculation effective d'un polymère anionique ou non ionique, de poids moléculaire élevé, soluble dans l'eau.

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