Abstract: The invention is directed to aqueous coating compositions with improved rheology performance, comprising A) at least one water-dilutable binder, optionally, at least one cross-linking agent B), at least one sagging control agent C) obtainable by reacting a polyisocyanate with an amine, water and optionally usual coating additives, pigments and/or organic solvents, wherein the sagging control agent is obtained by reacting in an aqueous phase in presence of a water-dilutable binder C1) at least one polyisocyanate with C2) at least one amine having at least one primary amino group and at least one hydroxyl group.

Abstract: The invention is directed to aqueous coating compositions with improved rheology performance, comprising A) at least one water-dilutable binder, optionally, at least one cross-linking agent B), at least one sagging control agent C) obtainable by reacting a polyisocyanate with an amine, water and optionally usual coating additives, pigments and/or organic solvents, wherein the sagging control agent is obtained by reacting in an aqueous phase in presence of a water-dilutable binder C1) at least one polyisocyanate with C2) at least one amine having at least one primary amino group and at least one hydroxyl group.

Abstract: The invention is directed to an aqueous coating composition, comprising A) at least one water-dilutable binder with functional groups containing active hydrogen, B) at least one polyisocyanate cross-linking agent with free isocyanate groups, C) at least one amino functional, having at least one group selected from a group consisting of primary amino group, secondary amino group and mixtures thereof, and having at least one group selected from a group consisting of sulfonic acid group, phosphonic acid group and mixtures thereof, and D) water and optionally, E) usual coating additives, pigments and organic solvents.

Abstract: The invention is directed to an aqueous coating composition, comprising A) at least one water-dilutable binder with functional groups containing active hydrogen, B) at least one polyisocyanate cross-linking agent with free isocyanate groups, C) at least one amino functional and acid functional compound having at least one carboxyl group and at least one group selected from a group consisting of primary amino group, secondary amino group and mixtures thereof, and having preferably a molecular weight of 75 to 1000 g/mole, D) water and optionally, E) usual coating additives, pigments and organic solvents.