Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one effect pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system of for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one color pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one effect pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system of for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: The present invention relates to a polymer, preparable by reacting at least one polymer, preparable by reacting (a) dimer fatty acids with at least (b) one polyether having a C3 to C6 alkylene radical and a number-average molecular weight of 450 to 2200 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.

Abstract: The invention relates to binder-free spot blender compositions for one- and two-component clearcoat materials comprising at least one isocyanate compound, to processes for producing them, and to their use in automotive refinish.

Abstract: A method for coating an uncoated or precoated metallic or plastics substrate by (a) applying an aqueous coating composition (W) whose constituents are free or substantially free from blocked isocyanate groups, which comprises an aqueous dispersion of an epoxide-amine adduct, and which comprises either no crosslinking agent or one or more nonblocked polyisocyanate crosslinking agents, to the substrate, (b) optionally applying one or more further coating compositions, and (c) curing the coating composition (W) and, where appropriate, the further coating composition(s) at temperatures of below 90° C.

Abstract: The present invention relates to a polymer, preparable by reacting at least one polymer, preparable by reacting (a) dimer fatty acids with at least (b) one polyether having a C3 to C6 alkylene radical and a number-average molecular weight of 450 to 2200 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.

Abstract: A method for coating an uncoated or precoated metallic or plastics substrate by (a) applying an aqueous coating composition (W) whose constituents are free or substantially free from blocked isocyanate groups, which comprises an aqueous dispersion of an epoxide-amine adduct, and which comprises either no crosslinking agent or one or more nonblocked polyisocyanate crosslinking agents, to the substrate, (b) optionally applying one or more further coating compositions, and (c) curing the coating composition (W) and, where appropriate, the further coating composition(s) at temperatures of below 90° C.

Abstract: An aqueous coating material preparable by mixing with one another (A1) at least one substantially water-free base color comprising (a11) at least one optionally water-soluble or -dispersible binder, (a12) at least one color and/or effect pigment, and (a13) at least one optionally water-miscible organic solvent; (A2) at least one aqueous base color comprising (a21) at least one water-soluble or -dispersible binder, (a22) at least one color pigment, and (a23) water; and (B) at least one aqueous pigment-free mixing varnish comprising (b1) at least one water-soluble or -dispersible binder and (b2) water; and also, if desired, comprising (C) an aqueous medium comprising (c1) a rheology control additive; and also a modular system for preparing aqueous coating materials, comprising (I) at least one substantially water-free color and/or effect module, comprising at least one base color (A1), (II) at least one aqueous color module comprising at least one base color (A2), and (III) at least one aqueous, pigment-free mi

Abstract: An aqueous multicomponent coating material comprising (I) an aqueous component preparable by mixing at least the following starting products: (A) at least one secondary aqueous dispersion of at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group, (B) at least one primary aqueous dispersion of at least one (meth)acrylate copolymer containing no isocyanate-reactive functional group, and (C) at least one pigment and/or one filler; and also (II) a component comprising at least one polyisocyanate as crosslinking agent, and also a process for preparing it, and its use.

Abstract: A UV-A-curable, solvent-containing composition composed of (A) 1% to 50% by weight of a UV-A-curable constituent containing isocyanate-reactive groups; (B) 0.01% to 10% by weight of a colorless photoinitiator having an absorption maximum in the wavelength range of ?=300 to 400 nm; (C) 10% to 70% by weight of an alkyl and/or cycloalkyl acetate having 3 to 10 carbon atoms in the alkyl radical and/or in the cycloalkyl radical; (D) 10% to 70% by weight of an alkoxyalkyl, alkoxycycloalkyl, cycloalkoxyalkyl and/or cycloalkoxycycloalkyl acetate; (E) 0.01% to 5% by weight of a constituent that lowers the interfacial tension; (F) 0 to 50% by weight of an alkylaromatic having at least two alkyl radicals having 1 to 6 carbon atoms in the molecule; and (G) 0 to 50% by weight of an additive different from constituents (A) to (F); processes for preparing it, and its use as a spot blender in automotive refinishing, especially in spot repair, or for preparation thereof.

Abstract: Disclosed herein is an aqueous multicomponent system comprising (I) at least one aqueous binder component comprising (A) at least one secondary dispersion comprising (A1) at least one water-soluble or water-dispersible (meth)acrylate copolymer which can be prepared by a multistage copolymerization and has at least two isocyanate-reactive functional groups, and (A2) at least one low molecular weight or oligomeric, or at least one low molecular weight and oligomeric, substantially unbranched, hydrophobic polyester having at least two hydroxyl groups in the molecule, an OH number of 56 to 500 mg KOH/g, an acid number less than 10 mg KOH/g, and a number-average molecular weight Mn of 300 to 2000 Daltons, the at least one aqueous binder further comprising (B) at least one additive. The aqueous multicomponent system further comprises at least one water-free crosslinking component comprising at least one hydrophilicized polyisocyanate.

Abstract: An integrated coating material system comprising (I) at least one solventborne coating material system which is free from hiding pigments and is curable thermally or both thermally and with UV-A radiation and comprises (I.1) at least one separate component which is free from isocyanate groups and contains isocyanate-reactive functional groups, and (I.2) at least one separate component which is free from isocyanate-reactive functional groups and contains isocyanate groups, ?none of components (I.1) and (I.2) or at least one of components (I.1) and/or (I.

Abstract: The use of aqueous, physically curable, pseudoplastic or thixotropic, polyurethane-based coating materials as adhesion primers for coatings, and a process for coating uncoated plastics surfaces and old coatings by applying at least one coating material to the uncoated plastics surfaces or the old coatings and curing the resulting coating film(s), which comprises applying an aqueous, physically curable, pseudoplastic or thixotropic, polyurethane-based adhesion primer to the uncoated plastics surfaces or the old coatings and overcoating it with at least one further coating material.

Abstract: A UV-A-curable, solvent-containing composition composed of (A) 1% to 50% by weight of a UV-A-curable constituent containing isocyanate-reactive groups; (B) 0.01% to 10% by weight of a colorless photoinitiator having an absorption maximum in the wavelength range of ?=300 to 400 nm; (C) 10% to 70% by weight of an alkyl and/or cycloalkyl acetate having 3 to 10 carbon atoms in the alkyl radical and/or in the cycloalkyl radical; (D) 10% to 70% by weight of an alkoxyalkyl, alkoxycycloalkyl, cycloalkoxyalkyl and/or cycloalkoxycycloalkyl acetate; (E) 0.01% to 5% by weight of a constituent that lowers the interfacial tension; (F) 0 to 50% by weight of an alkylaromatic having at least two alkyl radicals having 1 to 6 carbon atoms in the molecule; and (G) 0 to 50% by weight of an additive different from constituents (A) to (F); processes for preparing it, and its use as a spot blender in automotive refinishing, especially in spot repair, or for preparation thereof.

Abstract: Disclosed herein are multicomponent systems, processes for preparing them, and their use for preparing water-in-oil dispersions curable thermally or both thermally and with actinic radiation, and also their use as coating materials, adhesives, and sealants for producing coatings, adhesive layers, and seals. In one embodiment, a multicomponent system compries: (I) at least one water-in-oil dispersion comprising water and at least one water-soluble and/or water-dispersible, oligomeric and/or polymeric binder (A) having at least two isocyanate-reactive functional groups in solution and/or dispersion in at least one organic solvent; (II) at least one water-free liquid component comprising at least one polyisocyanate (B); and (III) water or at least one aqueous component comprising at least one binder (A) in dispersion and/or solution in water.

Abstract: A nonaqueous coating material curable thermally or thermally and with actinic radiation, comprising (A) a hydroxyl-containing binder component comprising (A1) at least one hydroxyl-containing polyester and (A2) at least one hydroxyl-containing (meth)acrylate copolymer prepared at least partly in the presence of the polyester (A1) (B) at least one crosslinking component comprising at least one polyisocyanate, and (C) at least one low molecular mass and/or oligomeric, essentially unbranched, hydrophobic polyester having at least two hydroxyl groups in the molecule, an OH number of from 56 to 500 mg KOH/g, an acid number <10 mg KOH/g, and a number-average molecular weight Mn of from 300 to 2000 daltons; process for its preparation, and its use.

Abstract: A multicomponent system curable thermally and with actinic radiation (dual cure), comprising (A) at least one component comprising at least one constituent containing at least one isocyanate-reactive functional group and at least one functional group having at least one bond which can be activated with actinic radiation, and at least one vinylaromatic-allyl alcohol copolymer, and (B) at least one component comprising at least one polyisocyanate, and its use as a coating material, adhesive and sealing compound.

Abstract: A solvent-containing multicomponent system curable thermally and with actinic radiation (dual cure) and comprising (A) at least one component comprising (A1) at least one constituent containing at least 1.8 meq/g of isocyanate-reactive functional groups, (A2) at least one constituent containing at least 1.8 meq/g of isocyanate-reactive functional groups and at least one functional group having at least one bond which can be activated with actinic radiation, and (B) at least one component comprising at least one polyisocyanate (B1); and its use as a coating material, adhesive or sealing compound.

Abstract: A coating material consisting of at least three components, comprising a component (I) comprising at least one oligomeric or polymeric resin containing functional groups which react with isocyanate groups, as binder (A), a component (II) comprising at least one polyisocyanate as crosslinking agent (B), and a component (III) which comprises water, wherein component (I) and/or (III) comprise or comprises at least one low molecular weight and/or oligomeric, substantially unbranched, hydrophobic polyester (C) containing at least two hydroxyl groups in the molecule and having an OH number of from 56 to 500 mg KOH/g, an acid number <10 mg KOH/g and a number-average molecular weight Mn of from 450 to 2 000 daltons.