Coating composition for paper and paper boards containing...

Details Coating composition for paper and paper boards containing... Coating composition for paper and paper boards containing...

D - Textiles, Paper

21

H

D21H 17/68 (2006.01) D21H 17/28 (2006.01) D21H 19/40 (2006.01) D21H 19/54 (2006.01) D21H 23/32 (2006.01)

Patent

CA 2185768

An aqueous coating composition for paper or paper boards comprising a mixture of smectite clay with starch in an aqueous solution wherein the starch comprises about 75 to about 95 percent by weight and the swellable clay comprises about 5 to about 25 percent by weight of the solids content of the aqueous coating composition. In addition, there is disclosed a process for the production of an aqueous coating composition for paper containing a smectite clay.

Composition de revêtement aqueuse pour papier ou cartons, renfermant un mélange de smectite avec de l'amidon dans une solution aqueuse où l'amidon contient 75 à 95 % environ en poids et l'argile 5 à 25 % environ en poids des solides de la composition aqueuse de revêtement. De plus, l'invention présente une méthode pour l'obtention d'une composition aqueuse de revêtement, à base de smectite, pour le papier.

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