Abstract: The abstract concerns a coating composition comprising 25-55% by weight of one or more film formers, 2.5-55% by weight of one or more fillers, 0-10% by weight of one or more additives, and 0-30% by weight of a solvent, based on the total weight of the coating composition. As the filler or a filler the composition comprises calcium hydrogen phosphate in a mass fraction of 2.5-20%, preferably 5-15%, more preferably 7.5-11% by weight based on the total weight of the coating composition. The invention further concerns processes for preparing this coating composition, its use as a coating material in the vehicle sector, and substrates produced therewith.

Abstract: The present invention relates to a method for producing matt and scratch-resistant coatings that takes place under exposure to actinic radiation on coating systems containing activated double bonds under radical polymerization.

Abstract: The use of curable mixtures comprising (A) at least one phosphonic diester and/or at least one diphosphonic diester and (B) at least one compound containing at least two condensable silane groups, as coupling agents, particularly as coupling agents in laminates comprising at least one substrate, at least one coating, at least one adhesive layer, and at least one sheet, and also a new process for producing such laminates using the coupling agents, the laminates which are producible using the coupling agents, and thermally curable mixtures comprising the coupling agents and at least one thermally curable polyester (C).

Abstract: Disclosed are wheelsets having a cured coating produced from the application and curing of a composition comprising a component A comprising a1) 18 to 30% by weight of a polyether polyol with a hydroxy number of 300 to 500 mg KOH/g, a2) 38 to 60% by weight of castor oil, a3) 0.6 to 2.0% by weight of at least one di- or polyamine, a4) 5.6 to 9.0% by weight of trizinc bis(orthophosphate), a5) 2.2 to 3.5% by weight of zinc oxide and/or zinc phosphate, a6) 0.05 to 0.4% by weight of a catalyst which catalyzes urethane formation, where the percentage by weight data are based on the total mass of the coating composition, and a component B comprising one or more di- and/or polyisocyanates in an amount corresponding to a molar ratio of 0.6:1 to 1.2:1 of the isocyanate groups to the hydroxy groups of the constituents a1) and a2).

Abstract: The disclosed method comprises applying a transparent coating composition to a plastics substrate, the composition comprising 30% to 60% by weight of a nanoparticles (B), 15% to 40% by weight, of urethane (meth)acrylates (A1) having 3 to 5 (meth)/acrylate groups per molecule, 0% to less than 10% by weight of urethane (meth)acrylates (A2) having more than 5 (meth)/acrylate groups per molecule, 0% to less than 10% by weight of urethane (meth)acrylates (A3) having less than 3 (meth)/acrylate groups per molecule, 55% to 80% by weight of compounds (C1) having 4 (meth)/acrylate groups per molecule, 0% to 15% by weight of compounds (C2) having 2 (meth)/acrylate groups per molecule, and 0% to 15% by weight of compounds (C3) having 3 (meth)/acrylate groups per molecule, the sum of the weight fractions of film-forming components (A1), (A2), (A3), (C1), (C2), and (C3) being in each case 100% by weight.

Abstract: The present invention relates to coating compositions comprising (A) at least one hydroxyl-containing polyacrylate and/or at least one hydroxyl-containing polymethacrylate and (B) at least one compound containing isocyanate groups and having at least one structural unit (I) of the formula (I) —NR—(X—SiR?x(OR?)3-x)??(I), and having at least one structural unit (II) of the formula (II) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(II), where (i) (A) has a glass transition temperature of less than 10° C., (ii) (B) contains more than 10 to more than 90 mol %, of at least one structural unit of the formula (I) and 10 to less than 90 mol % of at least one structural (II), based on the entirety of the structural units (I) and (II), and (iii) 10 to 60 mol % of the isocyanate groups of the diisocyanate and/or polyisocyanate parent structure of (I) and (II). The invention provides multistage coating processes using these coating compositions.

Abstract: The invention provides coating compositions comprising at least one compound (A) containing hydroxyl groups, at least one compound (B) containing isocyanate groups, at least 5.0% by weight, based on the nonvolatile constituents of the coating composition, of at least one amino resin (C), wherein the coating composition comprises at least one unsaturated, cyclic, sterically hindered amine (D) and the coating composition contains less than 2.5 mol % of hydrolyzable silane groups, based on the sum of hydroxyl groups, isocyanate groups, and hydrolyzable silane groups. The invention additionally relates to multistage coating processes using these coating compositions and also to the use of the coating compositions as clearcoat material and to the use of the coating process for automotive OEM finishing and automotive refinish.

Abstract: Disclosed is a method for producing a multicoat color and/or effect paint system, comprising (1) applying a pigmented aqueous basecoat to a substrate, (2) forming a polymer film from the basecoat applied in stage (1), (3) applying a clearcoat to the polymer film, and then (4) curing the polymer film together with the applied clearcoat to form a clearcoat film. The pigmented aqueous basecoat comprises at least one ester characterized by the following structure: where R1 is selected from the group of ethyl and isopropyl and R2 is a C2 to C8 radical. The at least one ester is used here in an amount of 0.1% to 5% by weight, based on the total weight of the aqueous basecoat applied in stage (1). The invention further provides the corresponding coating materials and the use of the esters in pigmented aqueous coating materials.

Abstract: A method for producing a multicoat color and/or effect paint system comprising a pigmented aqueous basecoat material comprising at least one polyurethane resin (A) as binder, at least one color and/or effect pigment, and 0.05% to 10% by weight, based on the total amount of the pigmented aqueous basecoat material, of an associative thickener (B) different from the polyurethane resin (A), the associative thickener (B) being composed of at least one compound of the following formula (I): with n=0 to 50, where R= with m=0 to 10, where R1?H or R2, where R2= with o=0 to 50, with the proviso that for not more than 50% by weight of the compounds of the formula (I), m=0 and R1?H.

Abstract: Compositions comprising (B1) at least one polyisocyanate-group-containing compound (B1) having free or blocked isocyanate groups and a cycloaliphatic polyisocyanate parent structure, and/or a polyisocyanate derived therefrom, and (B2) at least one polyisocyanate-group-containing compound (B2) having free or blocked isocyanate groups and an acyclic, aliphatic polyisocyanate parent structure, and/or a polyisocyanate derived therefrom, where at least one of component (B1) and component (B2) comprise at least one structural unit selected from the group of structural unit (I) —NR—(X—SiR?x(OR?)3?x)??(I), structural unit (II) —N(X—SiR?x(OR?)3?x)n(X?—SiR?y(OR?)3?y)m??(II), and mixtures of two or more of the foregoing, wherein the compound (B1) is in an amount such that the binder fraction of the compound (B1) is between 5% and 45% by weight, based on the sum of the binder fraction of the compound (B1) and of the compound (B2), and the mixture of components (B1) and (B2) includes structural units (I) and structu

Abstract: Provided are devices for delivering, metering and mixing liquid paint components, comprising (a) a paint supplying device, which comprises two or more paint reservoirs or comprises one paint reservoir, having two or more chambers for different paint components, (b) a metering device, which is arranged downstream of the paint supplying device and comprises rotating delivery devices serving as metering units, the delivery devices each having a pair of wheels and being connected to one another by a common spindle in such a way that their rotational speeds are in fixed ratios in relation to one another, and (c) a static mixing device, which is arranged downstream of the metering device and the outlet of which may be connected to a paint spray gun. Also provided are methods for using the device and for coating a substrate using the device in combination with a paint spray gun.

Abstract: A method of improving the transfer efficiency of applying a topcoat layer to a primed component includes applying an organic solventborne, carboxyl functional olefin based polymer composition to a substrate to provide a primed component before electrostatically applying a coating composition comprising principal resin and crosslinker to the primed component to form a topcoat layer, wherein the carboxyl functional olefin based polymer is neutralized with at least one amine-containing compound to form a salted carboxyl functional polymer.

Abstract: The present invention describes the use of a composition which can be cured below 40° C., a method of coating fiber/polymer composites, the preparation of curable compositions, and a modular system for preparing said compositions.

Abstract: To provide a chromium-free paint composition which can provide paint films which are excellent in terms of corrosion resistance on the edge surfaces, scratched surfaces and worked parts of a pre-coated steel sheet, and the paint films which can be obtained by coating this chromium-free paint composition. A chromium-free paint composition which includes paint film-forming resin (A), anti-rust pigment (B), comprising at least one type of amorphous MgO—V2O5-based compound, and crosslinking agent (C) which is characterized in that the mass content proportion of the aforementioned anti-rust pigment (B) is from 10 to 80 mass % with respect to the sum of the resin solid fraction mass of the aforementioned paint film-forming resin (A) and the aforementioned crosslinking agent (C), and the overall eluted ion content in a 10% aqueous solution of the aforementioned anti-rust pigment (B) is from 10 ppm to 100 ppm.

Abstract: Disclosed are nonaqueous coating material compositions comprising (A) at least one polyhydroxyl-group-containing compound, (B) at least one polyisocyanate-group-containing compound having free or blocked isocyanate groups, and (D) at least one catalyst for the crosslinking of silane groups, where component (B) comprises at least one structural unit —NR—(X—SiR?x(OR?)3-x)??(I), and at least one structural unit —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(II), wherein in component (B) (i) more than 30 mol % and less than 70 mol % of the originally present isocyanate groups have undergone reaction to form structural units (I) and (II), (ii) more than 25 and less than 36 mol % of the originally present isocyanate groups have undergone reaction to form structural units (II), and (iii) component (B) has at least one polyisocyanate group-containing compound (B2) having free or blocked isocyanate groups and having an acyclic, aliphatic polyisocyanate parent structure.

Abstract: The present invention relates to coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, and at least one catalyst (D) based on a zinc-amidine complex which is preparable by reaction of 1.0 moles of at least one zinc(II) biscarboxylate with 2.0 moles of at least one amidine where R5=hydrogen and R1, R2, R3, and R4 are each identical or different radicals, R1 and R3 being hydrogen or an alkyl radical or an aryl radical, and R2 and R4 being an alkyl radical or an aryl radical, characterized in that the coating material composition further comprises at least one monomeric aromatic, optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a ?-electron system.

Abstract: Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles , the silicon dioxide nanoparticles have a d50 of between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.

Abstract: Described are glycerol diesters of the general formula (I) wherein one of the two radicals R1 or R2 is hydrogen, and the radical of the two radicals R1 and R2 that is not hydrogen is a radical: and the radicals R3, R4, R5, and R6 independently of one another are a saturated, aliphatic radical having 1 to 20 carbon atoms, with the proviso that the radicals R3 and R4 together contain at least 5 carbon atoms and the radicals R5 and R6 together contain at least 5 carbon atoms. Also described is a process for preparing the glycerol diesters, use thereof as reactive diluents, coating materials comprising the glycerol diesters, multicoat paint systems and their production, comprising the use of the coating materials, and also to substrates coated therewith.

Abstract: Disclosed is a moisture-curing coating composition based on aprotic solvents comprising a binder with a polyacrylate or polymethacrylate obtained using monomer (I) and a phosphorous- and nitrogen-containing catalyst. Also disclosed is a method of producing a multicoat finish using these coating compositions and also to the use of this method to coat interior or exterior bodywork components or to coat components for shipbuilding and aircraft construction or to coat components for household and electrical appliances or to coat plastics moldings or films.

Abstract: The present invention relates to coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, and at least one catalyst (D) based on a zinc-amidine complex which is prepared by reaction of 1.0 moles of at least one zinc(II) biscarboxylate with less than 2.0 moles of at least one amidine where R5=hydrogen and R1, R2, R3, and R4 are each identical or different radicals, R1 and R3 being hydrogen or an alkyl radical or an aryl radical, and R2 and R4 being an alkyl radical or an aryl radical.