Use of pigment preparations for pigmentation or maturation of adhesives for leather and leather mites.

摘要

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.