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 2592230

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

La présente invention concerne un procédé permettant d'améliorer la rétention et l'essorage dans un processus de fabrication du papier. Le procédé consiste en l'ajout d'un polymère d'association, d'une microparticule et éventuellement d'un matériau silicique dans la pâte. L'invention concerne également une composition comprenant un polymère d'association et une microparticule, et éventuellement en plus de la fibre de cellulose.

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