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 2612908

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

L'invention concerne un procédé d'amélioration de la rétention et de l'égouttage dans la fabrication du papier. Le procédé comprend l'addition d'un polymère associatif, d'amidon ou d'un dérivé d'amidon, et éventuellement d'un matériau siliceux à la pâte à papier. L'invention concerne également une composition comprenant un polymère associatif, de l'amidon ou un dérivé d'amidon, et comprenant éventuellement en outre une fibre de cellulose.

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