Dispersing of pigments

Details Dispersing of pigments Dispersing of pigments

B - Operations, Transporting

01

J

400/5222, 400/70

B01J 13/02 (2006.01) C08K 9/10 (2006.01) C09B 67/08 (2006.01) C09B 67/20 (2006.01) C09C 1/24 (2006.01) C09C 1/36 (2006.01) C09C 3/00 (2006.01) C09C 3/08 (2006.01) C09D 5/00 (2006.01)

Patent

CA 1130146

ABSTRACT Dispersion adjuvants are described comprising .beta.-hydroxyalkyl ethers Or the formula Image (I) wherein the Rl and R2 represent hydrogen or alkyl with 1 to 21 carbon atoms, in which at least one Or Rl and R2 is alkyl and the sum Or the carbon atoms in Rl and R2 ranges from 6 to 22; and wherein R3 represents alkyl with 1 to 8 carbon atoms, optionally substituted with 1 to 2 hydroxyl groups and/or interrupted by 1 to 2 ether bridges, as well as the adducts of compounds of Formula I with alkylene oxides, preferably ethylene oxide and/or propylene oxide. The dispersion adjuvants are coated on pigment and filler materials for paints and lacquers. The coating is applied before or during the dispersion of the materials in the paint or lacquer media or vehicle.

316776

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