Pigment formulations, processes for their preparation and...

C - Chemistry – Metallurgy – 08 – K

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400/5057, 400/92

C08K 5/23 (2006.01) C09B 63/00 (2006.01) C09B 67/20 (2006.01) C09B 67/22 (2006.01) C09D 11/02 (2006.01) C09D 11/10 (2006.01)

Patent

CA 1149539

ABSTRACT Pigment formulations which contain 1) 10-90% by weight, based on the whole formulation, of a pigment mixture of a) 99.5-90 mol %, based on the pigment mixture, of at least one monoazo pigmentof the general formula A - N = N - ? and b) 0.5-10 mol %, based on the pigment mixture, of at least one monoazo pigment of the formula (A1 - N = N - B'?--?X)m, in which A and A' are radicals of diazo component of the benzene or naphthalene series, B and B' are radicals of a coupling component of the acetoacetic acid arylamide, naphthol or naphthoic acid arylamide series, X is -COOH, -SO3H or a group of the formula III Image (III) or the formula IV Image (IV) in which Me is a metal, and m and n idependently of one another are the numbers 1, 2 or 3, characterised by the presence of at least one -COOH, -SO3H, metal car- boxylate or metal sulfonate group per pigment molecule, and 2) 90-10% by weight, based on the whole preparation, of a polyacrylate resin con- taining carboxylic acid groups. The novel pigment formulations are outstandingly suitable for pigmenting aqueous, alcoholic and aqueous-alcoholic printing ink systems and coloured lacquer systems and are distinguished in particular by good shelf life.

375785

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