Amphoteric polymers for controlling deposition of pitches...

Details Amphoteric polymers for controlling deposition of pitches... Amphoteric polymers for controlling deposition of pitches...

D - Textiles, Paper

21

H

D21H 21/02 (2006.01)

Patent

CA 2569823

The present invention relates to a method and composition for controlling pitch and stickies deposit in a pulp and papermaking process using amphoteric polymers of diallyldimethyl~ammonium chloride (DADMAC) with acrylic acid and/or acrylamide and optionally a siliceous material.

L'invention concerne un procédé et une composition permettant de commander le dépôt de poix et d'adhésifs dans un procédé de pâte et de fabrication de papier, au moyen de polymères amphotères de diallyldiméthyl-ammonium chlorure (DADMAC) avec de l'acide acrylique et/ou de l'acrylamide et éventuellement un matériau siliceux.

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