Paper quality improver

Details Paper quality improver Paper quality improver

D - Textiles, Paper

21

H

D21H 17/29 (2006.01) D21H 17/34 (2006.01) D21H 17/44 (2006.01)

Patent

CA 2496638

An internal additive for improving the qualities (such as stiffness and bulk) of pulp sheet, which consists of a polymer emulsion containing a natural cationic polymer (A) or a synthetic cationic polymer (A~) and particles (B) of a polymer comprising constituent units derived from a vinyl monomer.

L'invention concerne un additif interne destiné à améliorer les qualités (comme, par exemple, la rigidité et la masse) d'une pâte en feuilles, composé d'une émulsion polymérique contenant un polymère cationique naturel (A) ou un polymère cationique synthétique (A') et des particules (B) d'un polymère comprenant des unités constituantes dérivées d'un monomère de vinyle.

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