Abstract: The present invention relates to an aqueous coating composition comprising at least one first polymer (A) as binder, at least one crosslinking agent (B) and at least one copolymer (C) as second binder, which is obtainable by copolymerization of ethylenically unsaturated monomers in the presence of a polyurethane resin having polymerizable carbon double bonds, the weight ratio of polymer (A) to polymer (C) being greater than 3.0. The present invention further relates to a method for producing a topcoat on a metallic substrate that comprises applying and subsequently curing the coating composition of the invention on a metallic substrate, and also to a metallic substrate coated by the method of the invention.

Abstract: Disclosed is a polymer which is prepared by reacting (a) dimer fatty acids with (b) at least one polyether of general structural formula (I) where R is a C3 to C6 alkylene radical and n is selected accordingly such that said polyether has 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 1.3/1.7, and the resulting polymer has a number-average molecular weight of 1500 to 5000 g/mol and an acid number <10 mg KOH/g. Also disclosed is a pigmented aqueous basecoat material which comprises this polymer, and the use of said polymer in pigmented aqueous basecoat materials. It further relates to a method for producing multicoat paint systems, and also to the multicoat paint systems producible by means of said method. Moreover, the present invention relates to the refinish of defect areas on multicoat paint systems.

Abstract: The present invention relates to a use of an aqueous coating composition for applying a topcoat to at least one side of a substrate metal surface coated at least with a primer coat, said aqueous coating composition comprising at least one binder (A) in dispersion or solution in water, at least one crosslinking agent (B), at least one second binder (C) in dispersion or solution in water, and optionally at least one pigment (D), the second binder (C) being a copolymer which is obtainable by copolymerization of ethylenically unsaturated monomers in the presence of at least one polyurethane resin having polymerizable carbon double bonds; to a process for coating a substrate metal surface coated at least with a primer coat, said process comprising at least one step of at least single-sidedly applying the aqueous coating composition as topcoat to the substrate metal surface coated at least with a primer coat; and also to a coated substrate obtainable by this process.

Abstract: The present invention relates to a method for at least partly coating a metallic substrate, at least comprising at least partly coating the substrate with an autophoretically depositable coating composition (step (1)) and contacting, with an aqueous sol-gel composition, the substrate at least partly coated with the autophoretically deposited coating composition (step (2)), to an at least partly coated substrate obtainable by this method, and to the use of an aqueous sol-gel composition for aftertreating a coating composition applied to a substrate at least partly by autophoretic deposition, by contacting the autophoretically deposited coating composition with the aqueous sol-gel composition.

Abstract: The present invention relates to a method for producing a multicoat paint system on a metallic substrate, in which a basecoat or a plurality of directly successive basecoats are produced directly on a metallic substrate coated with a cured electrocoat, a clearcoat is produced directly on the one basecoat or the uppermost of the plurality of basecoats, and then the one or more basecoats and the clearcoat are jointly cured, and wherein at least one basecoat material used for production of the basecoats comprises at least one aqueous dispersion comprising at least one copolymer (CP), said copolymer (CP) being preparable by initially charging an aqueous dispersion of at least one polyurethane, and then polymerizing a mixture of olefinically unsaturated monomers in the presence of the polyurethane from (i), in which a water-soluble initiator is used, the olefinically unsaturated monomers are metered in such that a concentration of 6.

Abstract: A method of forming a passivated pigment slurry includes combining a resin and a pigment to form a pigment-resin slurry, wherein the pigment includes a plurality of flakes each having a surface. After combining, the method includes mixing the pigment-resin slurry and an orthosilicate to form a coated pigment-resin slurry. The coated pigment-resin slurry includes the resin and a coated pigment including the plurality of flakes each encapsulated by a first layer formed from silica and disposed on the surface. The method further includes reacting the coated pigment-resin slurry and an organosilane compound having a hydrolysable group and an organic functional group to coat the first layer and thereby form the passivated pigment slurry. The passivated pigment slurry includes the resin and a passivated pigment including the plurality of flakes each coated with a second layer disposed on the first layer.

Abstract: Coating compositions comprising at least one hydroxyl-containing compound (A), at least one isocyanato-containing compound (B) and at least one urea-group-containing compound (H) different from (B), compound (H) comprising at least one structural unit selected from the group consisting of a structural unit (I) a structural unit (II) a structural unit (III) —NR??—C(O)—N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m, and combinations of two or more of the foregoing, compound (H) being obtained by reacting an isocyanato-containing compound (HG) with amino-containing compounds, wherein in compound (H) more than 90 mol % of the isocyanate groups originally present in (HG) have undergone reaction to form the structural units (I), (II), (III), or combinations thereof, where R?, R??=hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R, R?=alkyl, cycloalkyl, aryl or aralkyl; X, X?=linear and/or branched alkyl or cycloalkyl radical; x, y, n, m=0 to 2; and m+n=2.

Abstract: A process is disclosed for producing moldings, in which a pigmented coating composition (P) and a free-radically crosslinkable coating composition (K), which after crosslinking to completion produces a transparent coating (KE) are applied to a support sheet, wherein a dried but as yet not completely crosslinked coating (KT) is produced from the coating composition (K), the coated support sheet is shaped and is injection backmolded or foam-backed, and the coating (KT) is cured or aftercured; the crosslinkable coating composition (K) comprising a free-radically crosslinkable component (KK) which contains hydrogen bond forming structural elements.

Abstract: Described is a high solids coating composition having exceptional rheological properties and appearances comprising (a) a thermosetting binder, (b) from about 0.1 to about 10 wt. % based on binder solids of solid polyurea particles prepared by the reaction of a mixture of a polyisocyanate and an amino reactant comprising a primary or secondary monoamine that optionally has a hydroxyl or ether group or both, and (c) from about 5 to about 20 wt. % based on binder solids of a cellulose mixed ester having a number average molecular weight of from about 1000 to about 5600, a polydispersity of from about 1.2 to about 3.5, and a total degree of substitution per anhydroglucose unit of from about 3.08 to about 3.5.

Abstract: The present invention relates to a nonaqueous coating material composition comprising at least one compound (A) having at least two amino groups, and at least one oligomeric and/or polymeric compound (B) having at least two alkylidene-1,3-dioxolan-2-one groups, wherein the compound (B) is obtainable using at least one monomer (B1) of the formula (I) where R1, R2 independently of one another are hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl or phenyl-C1-C4 alkyl; R3 is hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl, or phenyl-C1-C4 alkyl, R3 more particularly being hydrogen; R4 is hydrogen, C1-C4 alkyl, CH2COOR8, phenyl or phenyl-C1-C4 alkyl; R5, R6 independently of one another are hydrogen or C1-C4 alkyl or else one of the radicals, R5 or R6, may be COOR8 or CH2COOR8; A is a chemical bond or C1-C4 alkanediyl, A more particularly being C1-C4 alkanediyl; X is O or NR7; Z is a chemical bond, PO2, SO2, or C?O, Z more particularly being C?O; Y is a chem

Abstract: The present invention relates to a substrate structure in which organic-inorganic hybrid thin films are laminated and a method for preparing the same and more specifically to a substrate structure in which organic-inorganic hybrid thin films are laminated that can be used for light emitters, display devices and solar cell devices wherein the organic-inorganic hybrid thin film including a stable new functional group, an inorganic precursor and an organic precursor are alternately used to afford stability in air and a method for preparing the same.

Abstract: The present invention relates to a nonaqueous coating material composition comprising (A) at least one oligomeric and/or polymeric compound (A) having at least two hydroxyl groups, (B) at least one oligomeric and/or polymeric compound (B) having at least two alkylidene-1,3-dioxolan-2-one groups, and (D) at least one catalyst (D) for the crosslinking, wherein the compound (B) contains at least two alkyliden-1,3-dioxolan-2-one groups of the formula (I?) where # stands for the attachment to the polymer backbone and R1, R2 independently of one another are hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl or phenyl-C1-C4 alkyl; R3 is hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl, or phenyl-C1-C4 alkyl; A is a chemical bond or C1-C4 alkanediyl; X is O or NR7; Z is a chemical bond, PO2, SO2, or C?O, Y is a chemical bond, CH2, or CHCH3, and R7 where present is C1-C6 alkyl.

Abstract: The present invention relates to a dimer fatty acid/polyesterdiol reaction product which is preparable by reacting (a) dimer fatty acids with (b) at least one polyesterdiol of the general structural formula (I) where R is a divalent radical comprising 2 to 10 carbon atoms, R1 and R2 independently of one another are straight-chain or branched alkylene radicals having 2 to 10 carbon atoms, X and Y independently of one another are O, S or NR3, in which R3 is hydrogen or an alkyl radical having 1 to 6 carbon atoms, and m and n are selected accordingly such that the polyesterdiol possesses a number-average molecular weight of 450 to 2200 g/mol, where components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.7 and the resulting dimer fatty acid/polyesterdiol reaction product possesses a number-average molecular weight of 1500 to 5000 g/mol and an acid number <10 mg KOH/g.

Abstract: The present invention relates to new carboxy-functional polyester and diester derivatives preparable by ring-opening reaction of (A) at least one anhydride of the formula (I) where R1=H, C1 to C24 alkyl, or C2 to C24 alkenyl with (B) at least one hydroxy-functional component, where (B1) the polyester derivatives are prepared using at least one linear hydroxy-functional polyester prepared using 7 to 95 mol %, based on the total amount of the monomers used in preparing the polyester (B1), of at least one difunctional monomer (b1) with aliphatic groups with 12 to 70 carbon atoms between the functional groups, and (B2) the diester derivatives are prepared using at least one dihydroxy-functional component which has an aliphatic group with 12 to 70 carbon atoms between the hydroxyl groups. The present invention further relates to aqueous compositions comprising at least one such polyester derivative and/or diester derivative, and water.

Abstract: Disclosed is a method for making multicoat color and/or effect paint systems employing a pigmented aqueous basecoat material comprising a mixture M comprised of (K1) a branched C8-17 alkane 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: The present invention relates to a reaction product preparable by reacting (a) dimer fatty acids with (b) at least one polyether of the general structural formula (I) where R is a C3 to C6 alkylene radical and n correspondingly is selected such that said polyether possesses a number-average molecular weight of 2250 to 6000 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.6/1.7, and the resulting reaction product possesses a number-average molecular weight of 4800 to 40000 g/mol and an acid number of less than 10 mg KOH/g. The invention further relates to a pigmented aqueous basecoat material which comprises this reaction product, and to the use of the reaction product in pigmented aqueous basecoat materials for improving adhesion. The present invention further relates to a method for producing multicoat paint systems, and also to the multicoat paint systems producible by means of said method.

Abstract: The present invention relates to an aqueous coating composition comprising at least one aqueous dispersion or solution (A) of at least one electrophoretically depositable binder and optionally of at least one crosslinking agent, and also at least one aqueous sol-gel composition (B), for at least partly coating an electrically conductive substrate with an electrocoat material, where the aqueous sol-gel composition (B) is obtainable by reaction of at least one starting compound suitable for preparing the sol-gel composition (B) with water, with hydrolysis and condensation of the at least one starting compound, to a method for producing the coating composition, to the use thereof for at least partly coating an electrically conductive substrate with an electrocoat material, to a method for at least partly coating an electrically conductive substrate with an electrocoat material by at least partial electrophoretic deposition of the coating composition on the substrate surface, to an electrically conductive substra

Abstract: The present invention relates to a dimer fatty acid/dimer diol reaction product which is preparable by reacting (a) dimer fatty acids with (b) at least one dimer diol, where components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.7 and the resulting dimer fatty acid/dimer diol reaction product possesses a number-average molecular weight of 1200 to 5000 g/mol and an acid number <10 mg KOH/g. The invention further relates to a pigmented aqueous basecoat material which comprises this dimer fatty acid/dimer diol reaction product, and also to the use of said dimer fatty acid/dimer diol reaction product in pigmented aqueous basecoat materials. It relates, further, to a method for producing multicoat paint systems, and also to the multicoat paint systems producible by means of said method. The present invention relates, furthermore, to the refinishing of defects on multicoat paint systems.

Abstract: The present invention relates to a reaction product preparable by reacting (a) dimer fatty acids with (b) at least one compound (b) of the general structural formula (I) where R is a C3 to C6 alkylene radical and n correspondingly is selected such that the compound (b) possesses a number-average molecular weight of 120 to 445 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.6/1.7, and the resulting reaction product possesses a number-average molecular weight of 600 to 4000 g/mol and an acid number of less than 10 mg KOH/g. The invention further relates to a pigmented aqueous basecoat material which comprises this reaction product, and to the use of the reaction product in pigmented aqueous basecoat materials for improving adhesion. The present invention further relates to a method for producing multicoat paint systems, and also to the multicoat paint systems producible by means of said method.

Abstract: The present invention relates to silylated polyisocyanates containing allophante groups, to processes for preparing them, to their use, and to coating compositions comprising them.