Abstract: Described herein is an aqueous, chromium-free composition for a pretreatment of aluminum surfaces, which includes at least one water-soluble phosphorus compound, at least one water-soluble zirconium compound, at least one water-soluble titanium compound, and at least one water-soluble molybdenum compound, a phosphorus compound content being in a range from 15 to 50 mg/l (calculated as phosphorus), a zirconium compound content being in a range from 400 to 600 mg/l (calculated as metal), a titanium compound content being in a range from 85 to 400 mg/l (calculated as metal), and a molybdenum compound content being in a range from 40 to 150 mg/l (calculated as metal). Also described herein are a corresponding method and a correspondingly pretreated component or strip.

Abstract: Described herein is an aqueous, chromium-free composition for a pretreatment of aluminum surfaces, which includes at least one water-soluble phosphorus compound, at least one water-soluble zirconium compound, at least one water-soluble titanium compound, and at least one water-soluble molybdenum compound, a phosphorus compound content being in a range from 15 to 50 mg/l (calculated as phosphorus), a zirconium compound content being in a range from 400 to 600 mg/l (calculated as metal), a titanium compound content being in a range from 85 to 400 mg/l (calculated as metal), and a molybdenum compound content being in a range from 40 to 150 mg/l (calculated as metal). Also described herein are a corresponding method and a correspondingly pretreated component or strip.

Abstract: Provided herein is a process for the pretreatment of workpieces having a surface of aluminum or aluminum alloys for noncutting forming and/or joining by welding or adhesive bonding to similarly pretreated, precoated workpieces, or to precoated parts. The parts are composed of steel, galvanized steel, and/or alloy-galvanized steel. Further provided herein is a subsequent permanent corrosion-protecting treatment by phosphating, by means of a chromium-free conversion treatment, by application of primer, or by surface coating, wherein the workpieces are a) pickled by means of an aqueous, acidic solution comprising mineral acid by dipping or spraying, b) rinsed with water, and c) brought into contact with an aqueous, acidic, chromium-free solution comprising Zr as complex fluoride and Mo as molybdate by application by dipping or spraying. After subsequent drying, a layer weight from 2 to 15 mg/m2 of Zr and Mo is formed.

Abstract: A process for coating a metallic surface of a metallic substrate comprising applying, an organic, anionically, cationically or radically curable anticorrosive composition, to the metallic surface, wherein said anticorrosive composition is a dispersion or solution containing at least two components that are at least partially anionically, cationically or radically curable, wherein at least one monofunctional monomer or monofunctional oligomer is present, a photoinitiator, and first organic corrosion inhibitor.

Abstract: The invention relates to a method for producing a sandwich structure on the basis of at least one layer on the basis of metallic material and on the basis of at least one layer of organic polymer, wherein for coating of at least one metallic surface with at least one metallic layer to be combined with the layer on the basis of organic polymer, an aqueous conversion composition on the basis of zinc, additional cations, poly(acrylic acid), and optionally silane, is brought into contact, wherein the liquid film thereby produced is dried on and wherein the metallic layer coated in such manner is brought into contact with at least one layer on the basis of organic polymer and is combined into a sandwich structure by means of compaction under pressure and/or temperature. The invention also relates to such sandwich structures.

Abstract: The invention relates to a coating mixture for applying a polymeric, corrosion-preventing protective layer to a metallic base for protecting an edge area, a soldered point, a weld seam or a repair point or for sealing the seam of one or more optionally interjoined strips, metal sheets or shaped parts.

Abstract: A process for protecting an edge area, a soldered point, a weld seam or a repair point or for sealing a seam of one or more optionally interjoined strips, metal sheets or shaped parts, containing the steps of applying a coating mixture to at least a part of a surface of a metallic substrate, applying actinic radiation, and forming a firmly adhering, ductile, corrosion-preventing coating on the substrate.

Abstract: A process for coating a metallic surface of a metallic substrate comprising applying, an organic, anionically, cationically or radically curable anticorrosive composition, to the metallic surface, wherein said anticorrosive composition is a dispersion or solution containing at least two components that are at least partially anionically, cationically or radically curable, wherein at least one monofunctional monomer or monofunctional oliger is present, a photoinitiator, and an first organic corrosion inhibition.

Abstract: A process for coating a metallic surface of a metallic substrate comprising applying, an organic, anionically, cationically or radically curable anticorrosive composition, to the metallic surface, wherein said anticorrosive composition is a dispersion or solution containing at least two components that are at least partially anionically, cationically or radically curable, wherein at least one monofunctional monomer or monofunctional oligomer is present, a photoinitiator, and an first organic corrosion inhibitor.

Abstract: The invention relates to a coating mixture for applying a polymeric, corrosion-preventing protective layer to a metallic base for protecting an edge area, a soldered point, a weld seam or a repair point or for sealing the seam of one or more optionally interjoined strips, metal sheets or shaped parts.

Abstract: The invention relates to a mixture for applying a polymer, non-corrosive, electroconductive coating which can be shaped in a low-abrasive manner, to a base. Said mixture contains at least one substance A in the form of electroconductive hard particles, at least one substance B in the form of very soft or soft, inorganic, sliding, electroconductive or semiconductive particles, and/or at least one substance C in the form of metallic, soft or hard, electroconductive or semiconductive particles and/or soot, and optionally other constituents such as an anticorrosion pigment D, the sum of the parts by weight of the inorganic sliding particles B and the metallic particles and/or soot C amounting to between 0.25 and 99.5% of the parts by weight of the water-insoluble or only slightly water-soluble pigmentation S (A+B+C), and the size of the electroconductive hard particles A amounting to less than 10 ?m in relation to the particle size transfer value d99.

Abstract: A method for coating metallic surfaces with a paint or paint-like coating prior to forming.

Abstract: The invention relates to a method for coating a metallic strip. The strip or optionally, the strip sections produced from said strip in the subsequent process, is/are first coated with at least one anticorrosion layer—according to an alternative form of embodiment, this can be left out—and then with at least one layer of a paint-like coating containing polymers. After being coated with at least one anticorrosion layer or after being coated with at least one layer of a paint-like coating, the strip is divided into strip sections. The coated strip sections are then formed, joined and/or coated with at least one (other) paint-like coating and/or paint coating.

Abstract: The invention relates to a coating mixture for applying a polymeric, corrosion-preventing protective layer to a metallic base for protecting an edge area, a soldered point, a weld seam or a repair point or for sealing the seam of one or more optionally interjoined strips, metal sheets or shaped parts.

Abstract: The invention relates to a coating mixture for applying a polymeric, corrosion-preventing protective layer to a metallic base for protecting an edge area, a soldered point, a weld seam or a repair point or for sealing the seam of one or more optionally interjoined strips, metal sheets or shaped parts.

Abstract: A method for coating metallic surfaces with a paint or paint-like coating prior to forming.

Abstract: Disclosed is a method for coating surfaces of metallic substrates with an organic, anionically, cationically, or/and radically hardenable anti-corrosive composition that represents a dispersion or solution containing at least two components selected among the group of monomers, oligomers, and polymers which can at least partly be anionically, cationically, or/and radically hardened, the content of at least one monofunctional monomer or/and oligomer in said anti-corrosive composition ranging between 1 and 50 percent by weight. The inventive anti-corrosive composition further comprises at least one photoinitiator used for anionic, cationic, or/and radical crosslinking, and a first, organic corrosion inhibitor. The anti-corrosive composition is applied to the metallic surfaces at a wet film thickness ranging from 1 to 25 micrometers, is optionally dried, and is then anionically, cationically, or/and radically hardened in order to obtain an anti-corrosive coating.

Abstract: A method for coating a metal strip or strip sections produced from the strip in a subsequent step are first coated with at least one anticorrosive coating and then with at least one coating of a paint-like polymer-containing coating. The coated strip is divided up in strip sections and the coated strip sections are then formed, joined and/or coated with at least one further paint-like coating and/or coat of paint. The paint-like coating is an aqueous dispersion that contains, in addition to water, at least one UV-crosslinkable water-soluble and/or water-dispersible resin, at least one wax as the forming additive, at least one photoinitiator, and at least one corrosion inhibitor. The coating is dried and, In another embodiment, the strip is first coated with at least one paint-like polymer containing coating without prior application of an anticorrosive coating.

Abstract: The invention relates to a mixture for applying a polymer, non-corrosive, electroconductive coating which can be shaped in a low-abrasive manner, to a base. Said mixture contains at least one substance A in the form of electroconductive hard particles, at least one substance B in the form of very soft or soft, inorganic, sliding, electroconductive or semiconductive particles, and/or at least one substance C in the form of metallic, soft or hard, electroconductive or semiconductive particles and/or soot, and optionally other constituents such as an anticorrosion pigment D, the sum of the parts by weight of the inorganic sliding particles B and the metallic particles and/or soot C amounting to between 0.25 and 99.5% of the parts by weight of the water-insoluble or only slightly water-soluble pigmentation S (A+B+C), and the size of the electroconductive hard particles A amounting to less than 10 ?m in relation to the particle size transfer value d99.

Abstract: The invention relates to a method for coating metallic surfaces by wetting one such surface with an aqueous dispersion containing, in addition to water, at least one UV-cross-linkable, water-soluble and/or water-dispersible resin, at least one wax as a deforming additive, at least one photoinitiator and at least one corrosion inhibitor. The coating is dried and hardened after being formed on the metallic surface. The invention is characterised in that the coating that is formed is up to 10 ?m thick when hard, and in that during a condensation water test according to DIN 50017 KFW carried out directly after over 240 hours, said coating shows no signs of corrosion >5% on a test surface having been deformed by a mandrel with a diameter of 3.2 mm to 38 mm during a mandrel bending test according to DIN ISO 6860 without cracking the test surface.