Aqueous suspensions of mineral materials and their uses

Details Aqueous suspensions of mineral materials and their uses Aqueous suspensions of mineral materials and their uses

D - Textiles, Paper

21

H

D21H 19/58 (2006.01) C08F 220/04 (2006.01) C08F 220/28 (2006.01) C09C 3/10 (2006.01) D21H 17/69 (2006.01)

Patent

CA 2240859

Aqueous suspensions of mineral substances for use in the paper industry containing as a dispersing agent and/or crushing aid a copolymer consisting of: a) at least one ethylenically unsaturated monomer having a carboxylic function, b) optionally at least one ethylenically unsaturated monomer having a sulphonic or phosphoric function of a mixture thereof, c) optionally, at least one ethylenically unsaturated monomer having no carboxylic function, d) at least one oxyalkylated, ethylenically unsaturated, surface-active monomer ending with a hydrophobic chain. Uses thereof in paper manufacturing and in the manufacture of coating colours for paper.

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