Improved retention and drainage in the manufacture of paper

Details Improved retention and drainage in the manufacture of paper Improved retention and drainage in the manufacture of paper

D - Textiles, Paper

21

H

D21H 21/10 (2006.01)

Patent

CA 2594300

A method of improving retention and drainage in a papermaking process is disclosed. The method provides for the addition of an associative polymer, a water compatible polymer and optionally a siliceous material to the papermaking slurry. Additionally, a composition comprising an associative polymer, and a water compatible polymer and optionally further comprising cellulose fiber is disclosed.

L'invention concerne un procédé d'amélioration de la rétention et de l'égouttage dans un processus de fabrication du papier. Ce procédé consiste à ajouter à la pâte à papier un polymère associatif, un polymère compatible avec l'eau et éventuellement une matière siliceuse. Par ailleurs, une composition comprenant un polymère associatif, et un polymère compatible avec l'eau et éventuellement de la fibre de cellulose est décrite.

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