Abstract: The invention relates to a 2K coating formulation that is printed using a valve jet printer.

Abstract: The invention relates to coating agents containing A) at least one polyol component, B) at least one crosslinking component which is obtained by reacting at least one polyisocyanate with at least one amino functional alkoxy silane and which comprises free and/or blocked isocyanate groups, optionally (C) at least one catalyst for crosslinking silane groups, and D) optionally additional auxiliary agents and additives. The invention is characterized in that the polyol component A) comprises at least one polyester polyol A1) that has been produced using a 2,2,4,4-tetraalkylcyclobutane-1,3-diol (TACD) of the general formula (I), in which independently of one another the groups R1, R2, R3, and R4 represent linear or branched alkyl groups with up to 8 carbon atoms. The invention additionally relates to the use of the coating agents and to substrates which are coated with the coating agents according to the invention.

Abstract: The present invention relates to a layer composite comprising a lower base paint layer and a cover layer arranged thereabove on a substrate, wherein the base paint is greater than or equal to 50 wt. % and less than 100 wt. % of polymers selected from the group consisting of polyacrylates, polyurethanes, polyether polyols, polycarbonate polyols, polyester polyols, melamine resins, alkyd resins or mixtures thereof; the cover layer is greater than or equal to 40 wt. % and less than or equal to 100 wt. % of prepolymers containing silane groups and/or the crosslinking products thereof; and the base paint is greater than or equal to 0.5 wt. % and less than or equal to 15 wt. % of prepolymers containing silane groups and/or the crosslinking products thereof, and wherein the prepolymers containing silane groups and/or the crosslinking products thereof have at least one thiourethane and/or urethane unit in the molecule.

Abstract: The invention relates to coating agents that contain thioallophanates, containing silane groups, as cross-linking agents and to the use of said coating agents to produce coatings, in particular clear coats for automobile painting.

Abstract: The present invention relates to non-aqueous coating agent compositions, containing at least one polyol (A), at least one silane-modified compound (B) of formula (I), optionally one or more silane-free aliphatic or cycloaliphatic polyisocyanates (C) having free or blocked isocyanate groups, and at least one catalyst (D) for the cross-linking of the silane groups. Furthermore, the non-aqueous coating agent compositions according to the invention can contain one or more surface additives (E) and one or more non-aqueous solvents (F).

Abstract: The invention relates to a method for producing a multi-layer coating structure, comprising the following steps: a) providing a substrate; b) applying at least one base-coat layer, wherein the base-coat layer is substantially free of melamine and derivatives thereof; c) applying at least one clear-coat and/or top-coat layer, comprising at least one polyisocyanate, at least one NCO-reactive compound, and at least one thermally latent catalyst; d) waiting for at least 30 s after step c) such that a film can form; e) curing the multi-layer coating structure while supplying heat. The invention further relates to the multi-layer coating structure that can be obtained from the method according to the invention, to the use of the multi-layer coating structure to coat substrates, and to substrates coated with the multi-layer coating structure.

Abstract: The present invention relates to non-aqueous coating agent compositions, containing at least one polyol (A), at least one silane-modified compound (B) of formula (I), optionally one or more silane-free aliphatic or cycloaliphatic polyisocyanates (C) having free or blocked isocyanate groups, and at least one catalyst (D) for the cross-linking of the silane groups. Furthermore, the non-aqueous coating agent compositions according to the invention can contain one or more surface additives (E) and one or more non-aqueous solvents (F).

Abstract: The present invention relates to an aqueous polyurethane-polyacrylate dispersion, obtainable by radical polymerization of a component A), comprising an ethylenically unsaturated compound, at least in the presence of a component B), comprising water and a polyurethane resin, obtainable by reaction of the following synthesis components I), comprising at least one aliphatic, cycloaliphatic, araliphatic and/or aromatic compound having at least two or more isocyanate groups, II), comprising at least one polycarbonate polyol having an average molecular weight of 500 to 3000 g/mol, III), comprising at least one anionically hydrophilizing compound which has at least one OH- or NH-functional group and comprising a carboxyl and/or carboxylate group, IV), comprising at least one polyol and/or polyamine having an average molecular weight of between ?62 and ?500 g/mol, and optionally V), comprising at least one or more monoalcohols and/or monoamines, the radical polymerization being initiated using a hydrophilic initiator

Abstract: The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion.

Abstract: The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion.

Abstract: The present invention relates to an aqueous polyester-polyurethane dispersion comprising a polyester resin, a basic neutralizing agent and water. The invention further relates to a process for the production of these dispersions and to their use. It has been found that by using succinic acid in the formation of the polyester polyol and dimethylol butyric acid in the formation of the polyester-polyurethane no further organic co-solvents such as NMP are necessary to form stable and useful aqueous polymer dispersions.

Abstract: The present invention relates to a process for preparing self-crosslinking PU dispersions, to the self-crosslinking aqueous dispersions obtainable from this process, to their use as coating compositions, to coating compositions which comprise these self-crosslinking aqueous dispersions, to a method of coating substrates, and to substrates which have been treated with coating compositions which comprise the self-crosslinking aqueous dispersions.