| abstract |
Pigment preparations useful for pigmenting or delustering finishes for leather and leather substitutes consist essentially of pigments or delusterants or a mixture thereof, binders, water and if desired further customary dispersants and auxiliaries, the binders used being copolymers of A) from 40 to 80% by weight of at least one aromatic vinyl compound of the general formula I (* CHEMICAL STRUCTURE *) I where R1, R2 and R3 are each hydrogen, methyl or ethyl and n is 1 or 2, B) from 20 to 60% by weight of acrylic acid or methacrylic acid or a mixture thereof, and C) from 0 to 10% by weight of further copolymerizable monomers, in the form of their salts. |