Abstract: The present invention relates to coating compositions comprising at least one isocyanate compound, at least one hydroxyl-containing compound, at least one aldimine and/or ketimine, one or more fillers, one or more pigments, at least one solvent, and, optionally, one or more additives. The invention also relates to processes for preparing these coating compositions, and to their use as coating material in the automotive refinish segment, in the vehicle, utility vehicle (including skips, chassis), and agricultural-machinery and rail segments, and in machines. Preferably, the coating compositions of the invention are used as primers with and without chemical pretreatment such as iron or zinc phosphating, with and without mechanical pretreatment such as sandblasting, abrading or the like.

Abstract: Disclosed are curable aqueous coating compositions comprising at least one polyurethane (A) as binder, at least one laminar metallic effect pigment (B), and at least one inorganic thickener C1) selected from the group of the phyllosilicates, and at least one organic thickener C2) selected from the group of the (meth)acrylic acid-(meth)acrylate copolymer thickeners and polyurethane thickeners, where the amount of B), based on the total binder content of the coating material composition is >9% by weight, the total solids based on the coating material composition is between 12.5% and 17% by weight, the total amount of the thickeners C1 and C2), based on the total binder content of the coating composition is <12.5% by weight, the weight ratio of C2) to C1) is >0.4, and the amount of B), based on the coating material composition, is between 1.2 and 2.3% by weight.

Abstract: Method for producing a multicoat coating comprises: applying a primer-surfacer coat (I) to an optionally pretreated substrate, curing coat (I), applying a basecoat (II) to coat (I), optionally curing the basecoat (II), applying a clearcoat (III) to basecoat (II), and curing basecoat (II) and/or clearcoat (III), wherein coat (I) is obtained by applying a nonaqueous, solventborne coating material comprising by weight: at least 20% of at least one organic solvent, at least 8% of at least one first polyester (A1), having a glass transition temperature of at least 20° C. and an acid number of 0 to 40 mg KOH/g; at least 8% by weight of at least one second polyester (A2), different from (A1) and having a glass transition temperature of not more than 10° C.; at least one crosslinker (B); and at least 8% of one or more fillers and/or pigments (C).

Abstract: Described is a method for producing an anticorrosion coating, wherein (1) an anticorrosion primer comprising: (A) at least one organic resin as binder, and (B) at least one synthetic layered double hydroxide comprising organic anions, is applied directly to a metallic substrate; and (2) a polymer film is formed from the anticorrosion primer applied in stage (1), wherein the at least one synthetic layered double hydroxide (B) comprises at least one organic anion of an alpha-amino acid. Also described are coated metallic substrates coated by the method of the invention. Further described is the use of the anticorrosion primer in the method of the invention for improving the corrosion resistance of metallic substrates.

Abstract: Disclosed is a composition comprising at least one polyol component (a) having an OH group content of 3% to 15% by weight relative to the total weight of the polyol component, and at least one isocyanate component (b) having an isocyanate group content of 5% to 15% by weight relative to the total weight of the isocyanate component. The polyol component (a) comprises at least one OH group-containing polyurethane prepolymer that is the product of a reaction between at least one compound a1. of the general formula (I) HO—R1—X—R2—OH??(I) and at least one di- or polyisocyanate a2. The isocyanate component (b) comprises at least one di- or polyisocyanate-terminated polylactone prepolymer. The composition can be used as erosion-resistant coating material.

Abstract: The invention relates to a composition which comprises at least one polyol component having a hydroxyl group content of 9% to 15% by weight relative to the total weight of the polyol component, and at least one isocyanate component having a free isocyanate group content of 10% to 15% by weight relative to the total weight of the isocyanate component. The polyol component comprises at least one polyol which is selected from the group of the polyether polyols, polyester polyols, and polyether polyester polyols. The isocyanate component comprises at least one di- or polyisocyanate-terminated polylactone prepolymer. The composition can be used as erosion-resistant coating material.

Abstract: An aqueous electrodeposition coating composition comprising a cathodically depositable binder, the binder comprising an branched phosphorylated resin, provides corrosion protection equivalent to that obtained by the conventional phosphate pretreatment-electrodeposition coating process.

Abstract: The invention relates to coating material compositions comprising an isocyanate group-containing component, a hydroxyl group-containing component, a zinc-imidazole-carboxylate complex and a monomeric aromatic carboxylic acid, and also to the use of a zinc-imidazole-carboxylate complex in the presence of a monomeric aromatic carboxylic acid as a catalyst system for the urethane reaction in coating material compositions.

Abstract: A method for producing a multicoat color and/or effect paint system comprising the use of a pigmented aqueous basecoat material comprising 0.05% to 10% by weight, based on the total amount of the pigmented aqueous basecoat material, of an associative thickener (B) composed of at least one compound of the following formula (I): with n=0 to 50, where R1= with m=0 to 10, o=0 to 100 where R2=H or R3, where R3= with p=0 to 50, where R in each case independently of any other is a linear or branched hydrocarbon radical or a cyclic hydrocarbon radical having optionally linear and/or branched groups and containing 8 to 24 carbon atoms, with the proviso that for not more than 50% by weight of the compounds of the formula (I), m=0 and R2=H.

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: A carbamate-functional material is prepared by reacting a carbamate compound with a hydroxy-functional material using zirconium acetylacetonate as catalyst.

Abstract: A carbamate-functional material is prepared by reacting a carbamate compound with a hydroxy-functional material using titanium (IV) alkoxide as catalyst.

Abstract: An automotive refinish coating mixer system includes (a) one or both of (i) at least one pellet of a compressed mixture of metal pigment and a powdered, water-soluble polymer and (ii) at least one pre-measured portion of metal flake pigment sealed in water-soluble polymer film; (b) a plurality of aqueous pigmented and unpigmented bases; and (c) a reducer base.

Abstract: A two-coat coating system for producing a two-coat coating, comprising (A) a composition of a transparent radiation-curable or radiation-curable and thermally curable clearcoat material, comprising at least one hydroxy-functional binder, and (B) a pigmented coating composition, the pigmented coating composition comprising at least one blocked, water-soluble or water-dispersible isocyanate.

Abstract: Disclosed is an at least partly crosslinked coating (K) composed of a near-surface coating zone (K1) and a volume coating zone (K2), the coating obtained from a composition comprising at least two different crosslinkable components (D1) and (D2), at least part of component (D1) having one or more surface-active structural units, wherein (i) the coating both in zone (K1) and in zone (K2) is at least partly crosslinked, and (ii) the crosslinking density of the coating in zone (K1) is higher than the crosslinking density of the coating in zone (K2). Also disclosed are coatings (K) wherein the concentration of component (D1) in the near-surface coating zone (K1) is higher than in the volume coating zone (K2), and the micropenetration hardness and/or the dry scratch resistance of the coating (K) is higher than that of an at least partly crosslinked coating (K?) obtained from a composition with no crosslinkable component (D1).

Abstract: Disclosed is a method for making multicoat colour and/or effect paint systems employing a pigmented aqueous basecoat material comprising a mixture M comprised of (K1) a branched C8-17alkane or a mixture thereof, (K2) a branched C18-25 alkane or a mixture thereof, and (K3) a water-miscible fluorinated polymer or a mixture thereof, where mixture M comprises 0.1% to 5% by weight, based on the weight of the aqueous basecoat material, component (K1) comprises 34% to 94% by weight, component (K2) comprises 5% to 46% by weight, and component (K3) comprises 1% to 20% by weight, all based on the weight of the mixture M, and components (K1) and (K2) have a degree of branching which corresponds to a ratio of the number of >CH— and —CH2— groups to the number of —CH3 groups of at least 25:75.

Abstract: Disclosed are 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, at least one catalyst (D) based on a zinc-amidine complex which comprises the reaction product of 1.0 moles of at least one zinc(II) biscarboxylate with more 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, and at least one monomeric aromatic, optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a ?-electron system.

Abstract: Described 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, (D) at least one catalyst (D) based on a zinc-amidine complex which is preparable by reacting one or more zinc(II) biscarboxylates with an amidine of the formula (I) or with a mixture of two or more amidines of the formula (I) and (S) at least one monomeric aromatic optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a ?-electron system, wherein the component (B) comprises at least one structural unit —NR—(X—SiR?x(OR?)3-x) (II), and/or at least one structural unit —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m (III). Also described are multistage coating methods, and the use of the coating material compositions.

Abstract: A coating composition is made with (a) an amphiphilic carbamate-functional copolymer having from about 5 to about 75 weight percent of monomer units (i) with carbamate groups and from about 16 to about 70 weight percent of monomer units (ii) with C8 to C24 hydrocarbyl groups, with the proviso that the sum of the weight percent of monomer units (i) and the weight percent of monomer units (ii) is at least about 50 weight percent of the copolymer and (b) an aminoplast curing agent.

Abstract: The present invention relates to a coating composition comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having free and/or blocked isocyanate groups, and (c) at least one phosphate-containing catalyst (C) for the crosslinking of silane groups, (d) at least one further catalyst (D), one or more constituents of the coating composition containing hydrolyzable silane groups, wherein the catalyst (D) is a bicyclic amine.