Composition of coating material catalyzed by the complex (1-methylimidazole) bis (2-ethylhexanoate) zinc

A composition of coating material comprising - at least one component (A) containing polyhydroxyl groups, - at least one component (B) containing polyisocyanate groups, - at least one complex (1-methylimidazole) bis (2 ethylhexanoate) zinc (D) with the general formula [Zn (1- methylimidazole) n (2-ethylhexanoate) 2], where n> = 1 <= 2, and - at least one monomeric aromatic carboxylic acid (S ), wherein the carboxyl group is conjugated to a pi electron system.