Abstract: The invention relates to a multicoat color and/or effect paint system comprising, lying above one another in this order, (1) at least one first basecoat comprising basecoat material (A), (2) preferably a second color and/or effect basecoat comprising basecoat material (B), and (3) optionally at least one transparent coating comprising clearcoat material (C), wherein the basecoat material (A) forming the first basecoat comprises at least one binder (a.1), at least one color and/or effect pigment (a.2), and at least one water-soluble or water-dispersible, oligomeric or polymeric component (a.3) which comprises a parent structure (GK) having at least two repeating monomer units (ME) and also at least one uni- and/or multidentate, potentially anionic ligand (L) which is still capable of forming complexes after the multicoat paint system has been thermally cured.

Abstract: Solutions of polyvinylidene fluoride (PVDF) or copolymers of 1,1-difluoroethylene in a solvent which comprises N-formylmorpholine (NFM), N-acetylmorpholine (NAM) or mixtures thereof and additionally a cosolvent selected from alkylene carbonate, mono-, di- or polyalkylene glycol dialkyl ethers or mixtures thereof.

Abstract: The invention relates to a multicoat color and/or effect paint system comprising, lying above one another in this order, (1) at least one first basecoat comprising basecoat material (A), (2) preferably a second color and/or effect basecoat comprising basecoat material (B), and (3) optionally at least one transparent coating comprising clearcoat material (C), wherein the basecoat material (A) forming the first basecoat comprises at least one binder (a.1), at least one color and/or effect pigment (a.2), and at least one water-soluble or water-dispersible, oligomeric or polymeric component (a.3) which comprises a parent structure (GK) having at least two repeating monomer units (ME) and also at least one uni- and/or multidentate, potentially anionic ligand (L) which is still capable of forming complexes after the multicoat paint system has been thermally cured.

Abstract: A method for producing an adhesive connection between a workpiece having a metal surface and a workpiece having a plastic surface with the steps of providing a workpiece having a metal surface that has a coating which includes a thermoplastic, at least at a melt surface; providing a workpiece having a thermoplastic surface; placing the melt surface of the first workpiece having the metal surface and the workpiece having the thermoplastic surface against each other; and welding the workpiece having a metal surface and the non-metallic workpiece having the thermoplastic surface at the melt surface by exposure to ultrasonic.

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: 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: A cathodic electrodeposition coating material comprising (A) at least one water-dispersible organic binder containing cationic groups, where the cathodic electrodeposition coating material has been admixed with 0.005%-0.5% by weight, based on the solids content of the cathodic electrodeposition coating material, of (B) an organic, tetravalent titanium, zirconium or hafnium complex having one or more oxygen-containing ligands.

Abstract: A part which is extremely high-temperature resistant and has an extremely high-temperature resistant coating having at least one silicate, the coating being stable at an operating temperature of more than 1,000° C. up to 2,000° C. For an extremely high-temperature resistant part having an extremely high-temperature resistant coating, which is stable at operating temperatures of over 1000° C. and can be applied simply and economically, it is provided that a coating means including a silicate or a mixture of silicates and water or solvent be used and be baked at temperatures of from 300° C. to 2000° C.

Abstract: The invention relates to an aqueous coating material for metallic substrates, comprising a water-dispersible and/or water-soluble polymer P with covalently bonded ligands A, which form chelates with the metal ions released during the corrosion of the substrate and/or with the substrate surface, and having crosslinking functional groups B, which with themselves, with further complementary functional groups B? of the polymer P and/or with further functional groups B and/or B? are able to form covalent bonds to crosslinkers V.

Abstract: The invention relates to a method for producing an adhesive connection between workpieces, comprising the steps of: providing a workpiece having a metal surface, said workpiece comprising a coating at least on a melt surface, said coating comprising a thermoplastic; providing a workpiece having a thermoplastic surface; placing the melt surface and the workpiece having the thermoplastic surface against each other, welding the workpiece having a metal surface and the workpiece having the thermoplastic surface to the melt surface under the effect of ultrasonics.

Abstract: The present invention relates to a composition for coating metallic surfaces, comprising a binder component; a corrosion inhibitor polymer based on an ethylenically monocarboxylic and dicarboxylic acid and, if appropriate, further ethylenical monomers, a solvent component, and, if appropriate, crosslinkable components, and also pigment/filler components. The invention further relates to processes for its preparation and also to methods of coating a metallic surface using the composition, to coated metallic surfaces thus obtained, and to the use of the composition as a primer, particularly in coil coating or in atmospheric corrosion control. After drying, the applied layer preferably has a thickness of at least 3.1 ?m and is therefore thicker than a typical pretreatment layer.

Abstract: Method of applying corrosion control coats, especially integrated pretreatment layers or coats for atmospheric corrosion control, to metallic surfaces, using copolymers comprising as monomeric building blocks 20% to 70% by weight of monomers containing nitrogen heterocycles, 10% to 50% by weight of monomers containing acidic groups, 10% to 50% by weight of vinylaromatic monomers, and optionally 0% to 25% by weight of further monomers. Copolymers of the stated composition, and also preparations for applying corrosion control coats.

Abstract: The invention relates to an aqueous coating material for metallic substrates, comprising a water-dispersible and/or water-soluble polymer P with a gradient in the concentration of covalently bonded hydrophilic groups along the main polymer chain, the polymer P having covalently bonded ligands A, which form chelates with the metal ions released during the corrosion of the substrate and/or with the substrate surface, and having crosslinking functional groups B, which with themselves, with further complementary functional groups B? of the polymer P and/or with further functional groups B and/or B? are able to form covalent bonds to crosslinkers V.

Abstract: The invention relates to a multicoat paint system comprising, lying above one another in this order, (1) at least one first basecoat comprising basecoat material (A), (2) preferably a second, color and/or effect basecoat comprising basecoat material (B), and (3) at least one transparent coating comprising clearcoat material (C), wherein the basecoat material (A) which forms the first basecoat comprises at least one binder (a.1), at least one color and/or effect pigment (a.2), and a corrosion-inhibiting component (a.3) with a parent structure (GK1), selected from the group of low molecular mass alkyl, aryl, aralkyl, and cycloalkyl radicals and/or heterocyclic radicals, which carries at least one phosphoric acid group as ligand (L1), and/or at least one corrosion-inhibiting component with a parent structure (GK2), selected from the group of alkyl, aryl, aralkyl, and cycloalkyl radicals, heterocyclic radicals and/or polymers, which carries at least one phosphonic acid group as ligand (L2).

Abstract: An electroless deposition coating is applied in a first stage with an aqueous corrosion preventative (K1), comprising at least one compound (A1) having a lanthanide metal cation and/or a d-element metal cation and/or a d-element metallate as anion, and at least one acid (A2) capable of oxidation; a further electroless deposition coating is applied in a second stage with an aqueous corrosion preventative (K2) which comprises at least one preferably water-dispersible and/or water-soluble polymer (P) having covalently bonded ligands (L) which form chelates with the metal ions released on corrosion of the substrate, and/or with the substrate surface, and having functional groups (B), and at least one water-dispersible and/or water-soluble crosslinker (V) having functional groups (B?) which react with the functional groups (B) of the polymer, and having covalently bonded ligands (L?) which form chelates with the metal ions released on corrosion of the substrate, and/or with the substrate surface.

Abstract: A multicoat paint system comprising, lying atop one another in this order, (1) at least one first basecoat comprising basecoat material (A), (2) a second, color and/or effect basecoat comprising basecoat material (B), and (3) at least one transparent coating comprising clearcoat material (C). The basecoat material (A) of the first basecoat comprises at least one binder (a.1), at least one color and/or effect pigment (a.2), and a corrosion-inhibiting component (a.3) having an aromatic parent structure (GK), which has at least two unidentate, potentially anionic ligands (L1) and (L2) with electron donor function attached covalently to (GK), and/or which possesses substituents (SU) which are attached covalently on the aromatic parent structure (GK), and which have at least two covalently attached, unidentate, potentially anionic ligands (L1) and (L2) with electron donor function, the ligands (L1) and (L2) capable of complex formation after the multicoat paint system has been thermally cured.

Abstract: Coating compositions comprising (a.1) at least one binder with functional groups (Gr); (a.2) at least one pigment; and (a.3) at least one corrosion-inhibiting component which comprises a parent structure (GK), at least one functional group (Gr?) which is attached covalently to (GK) and which, when a multicoat paint system containing the disclosed coating composition is thermally cured, reacts with at least one of functional groups (Gr) of the binder (a.1) or functional groups (Gr?) of at least one constituent of an adjacent coating (B), and at least one uni- and/or multidentate, potentially anionic ligand (L) which is different from the functional group (Gr?), is attached covalently to (GK), and, when the multicoat paint system is thermally cured, does not lose its capacity as a chelating agent. Also disclosed is a process for producing a multicoat paint system using the disclosed coating composition.

Abstract: The invention relates to a multicoat color and/or effect paint system comprising, lying above one another in this order, (1) at least one first basecoat comprising basecoat material (A), (2) preferably a second color and/or effect basecoat comprising basecoat material (B), and (3) optionally at least one transparent coating comprising clearcoat material (C), wherein the basecoat material (A) forming the first basecoat comprises at least one binder (a.1), at least one color and/or effect pigment (a.2), and at least one water-soluble or water-dispersible, oligomeric or polymeric component (a.3) which comprises a parent structure (GK) having at least two repeating monomer units (ME) and also at least one uni- and/or multidentate, potentially anionic ligand (L) which is still capable of forming complexes after the multicoat paint system has been thermally cured.

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: 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.