Basf Coatings Ag

Basf Coatings Gmbh

Basf Lacke+farben Ag

Basf Coating Ag

Egon Wegner

Stephan Schwarte

Leonidas Kiriazis

Frank Jansing

Gerhard Reusmann

Lutz-Werner Gross

Guido Wilke

Ekkehard Sapper

Harald Angerm&uuml;ller

Hubert Baumgart

Ulrich Poth

Andreas Poppe

Joachim Woltering

Ulrike Röckrath

Peter Mayenfels

Uwe Meisenburg

Wolfgang Bremser

Bernhard Lettmann

Katharina Fritzsche

Karl-Heinz Grosse-Brinkhaus

G&uuml;nther Ott

Karl-Heinz Joost

Günther Ott

Norbert Löw

Michael Hartung

Günter Klein

Gudrun Wiemann

Ralf Stein

Willi Vesper

Karl-Heinz Josten

Harald Angermüller

Ingo Lüer

Guenter Klein

Michael Kutschera

Klaus Weidemeier

Wolfgang Duschek

Claudia Sierakowski

Oliver Johannpoetter

Manfred Essig

Lothar Jandel

Ines Mangels

Walter Lassmann

Dietmar Chmielewski

Thomas Frey

Anne Hupp

Michael Richert

Tobias Blang

Thomas Krueger

Kerstin Ziegler

Cornelia Petri-Huber

Bernd Lettmann

Lutz Werner Gross

J&ouml;rg Niemann

Ulrike Clausen-Meiring

Rainer B&uuml;rstinghaus

Karl-Heinz Grobe Brinkhaus

Dorothe Drescher

J&ouml;rg Schwarz

Nicola Zarse

Udo Nenner

Frank Stache

Patricia Kloppenborg

The present disclosure relates to a cathodically depositable aqueous electrodeposition coating material including at least one epoxide-amine adduct (a), at least one pigment and/or at least one filler (b), and at least one crosslinking agent (c), a fraction of at least 25 wt % of the crosslinking agent (c), based on the total weight of the crosslinking agent (c), being formed by at least one tris(alkoxycarbonylamino)-1,3,5-triazine; to a method for coating an electrically conductive substrate by cathodic electrodeposition coating using said electrodeposition coating material; to a substrate coated accordingly; and also to a use of a tris(alkoxycarbonylamino)-1,3,5-triazine in a cathodically depositable electrodeposition coating material for reducing or eliminating the sensitivity to disruption of the electrodeposition coating bath toward impurities present therein through phosphates and/or through other metal salts which have been carried into the electrodeposition coating bath as a result of pretreatment steps ahead of the electrodeposition coating.

Electrocoats containing at least one triazine compound

Solvent-containing clearcoat coating composition comprising (A) an OH-functional (meth)acrylate (co)polymer comprising (A1) 30%-99% by weight, based on the mass of the nonvolatile fraction of (A), of at least one OH-functional (meth)acrylate (co)polymer having an OH number of 60-200 mg KOH/g and glass transition temperature Tof 15&#xb0; C. to 100&#xb0; C., and (A2) 1%-70% by weight, based on the mass of the nonvolatile fraction of (A), of at least one OH-functional (meth)acrylate (co)polymer having an OH number of 60-200 mg KOH/g and a glass transition temperature Tof &#x2212;100&#xb0; C. to &#x2212;20&#xb0; C., (B) a crosslinker component comprising functional groups reactive toward OH, (C) 0.02%-1.2% by weight, based on the mass of the nonvolatile fraction of (A), of at least one polyamide and (D) 0.04%-2.9% by weight, based on the mass of the nonvolatile fraction of (A), of at least one urea adduct of a polyisocyanate and benzylamine.

Solvent-borne clearcoat coating composition, method for producing it and use thereof

Described is a solvent-containing clearcoat coating composition comprising (A) an OH-functional (meth)acrylate (co)polymer component composed of (A1) at least one OH-functional (meth)acrylate (co)polymer having an OH number of 60-200 mg KOH/g and a glass transition temperature Tof 15&#xb0; C. to 100&#xb0; C., and (A2) at least one OH-functional (meth)acrylate (co)polymer having an OH number of 60-200 mg KOH/g and a glass transition temperature Tof &#x2212;100&#xb0; C. to &#x2212;20&#xb0; C.; (B) a crosslinker component comprising at least one crosslinking agent having functional groups that are reactive toward OH groups; and also (C) at least one polyamide; and (D) at least one urea compound, which is an adduct of a polyisocyanate and methoxypropylamine. Also described is a process for preparing the solvent-containing clearcoat coating composition, to the use of the solvent-containing clearcoat coating composition and a clearcoat which has been produced using the clearcoat coating composition.

Solvent-containing clearcoat coating composition, process for preparation thereof and use thereof

Disclosed is an at least partly crosslinked coating (K) composed of a near-surface coating zone (K) and a volume coating zone (K), the coating obtained from a composition comprising at least two different crosslinkable components (D) and (D), at least part of component (D) having one or more surface-active structural units, wherein (i) the coating both in zone (K) and in zone (K) is at least partly crosslinked, and (ii) the crosslinking density of the coating in zone (K) is higher than the crosslinking density of the coating in zone (K). Also disclosed are coatings (K) wherein the concentration of component (D) in the near-surface coating zone (K) is higher than in the volume coating zone (K), 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 (D).

Highly scratch-resistant coatings having good weathering and crack resistance

Disclosed are coating compositions comprising film-forming material with at least one reactive functional group G'&#x2033;, catalyst for the crosslinking of the silane groups, aprotic solvents, and at least one adduct with silane functionality which is prepared by an addition reaction of Also disclosed are multicoat paint systems in which the transparent coating has been produced from these coating compositions, methods of making and use, as well as methods of improving the hardness and/or the scratch resistance of coatings.

Coating agent containing addition compounds with silane functionality, and highly scratch-resistant coatings with improved crack resistance

The present disclosure provides multicoat systems exhibiting ultraviolet (UV) stability after ultraviolet exposure and moisture exposure. The systems comprise at least one primer (G), at least one pigmented coating (P) disposed on a surface of the primer, and at least one ultraviolet (UV) absorber which has an absorption maximum of at least 370 nm. The pigmented coating (P) may be comprised of two or more coatings (P1), (P2) to (Pn). The multicoat systems may also comprise a transparent coating material (T) to form a transparent coating (K). The present multicoat systems demonstrate ultraviolet stability, reduced delamination of the pigmented coat from the primer and are available in a variety of shades for use in the finishing, refinishing and coating of component parts. The present disclosure also provides for a process for producing the multicoat system, and provides for the use of the system.

Multi-layered coatings, method for the production thereof, and use thereof in the car industry

Disclosed are pigmented coating compositions comprising at least one inorganic particle (N) having a primary particle size of 1 to 800 nm, at least one binder (B), at least one color and/or effect pigment (D), and one or more organic solvents (E), and at least one wax or one waxlike compound (W), wherein the inorganic particles (N) are at least partly modified with a stabilizer (S) which has groups (S1) which are able to interact with the surface of the inorganic particles (N), and one or more hydrophobic substructures. Also disclosed are processes for producing multicoat paint systems and also to the use thereof and also processes for enhancing the flop of multicoat paint systems by using the pigmented coating compositions.

Solvent-containing pigmented coating compositions and use thereof for producing multicoat paint systems and process for improving the flop of effect paint systems

Process for producing a color and/or effect coating system on a substrate by applying an aqueous color and/or effect solid-color topcoat material or&#x2014;alternatively&#x2014;an aqueous color and/or effect basecoat material and a clearcoat material (wet-on-wet technique) to the substrate and curing the resultant coating films, which after curing have a water vapor permeability &#x3b4;&#x3e;6.0 mg/h&#xb7;m&#xb7;bar or p&#x3e;286.4 g&#xb7;100 &#x3bc;m/m&#xb7;d, where d stands for day, when the coating material contains no metal flake pigments; or have a water vapor permeability &#x3b4;&#x3e;4.0 mg/h&#xb7;m&#xb7;bar or p&#x3e;190.92 g&#xb7;100 &#x3bc;m/m&#xb7;d, when the coating material contains metal flake pigments.

Method for producing color giving and/or effect giving lacquer coatings

Water-based coating composition comprising at least one resin composition for a water-based coating composition and as a rheological assistant at least one polyamide and at least one acrylate thickener based on poly(meth)acrylic acid.

Aqueous coating composition, method for production of the same, and use thereof

The invention relates to a method for producing chromophore and/or effect giving multilayer lacquers according to the wet-on-wet method. A water base lacquer is applied which contains at least one graft copolymer containing (A) at least one (meth)acrylate copolymer and (B) at least one polyurethane. The graft copolymer can be produced by (1) dispersing at least one hydrophilic or hydrophobic self cross-linking polyurethane (B) with a statistical average of at least one terminal and/or at least one lateral olefinically unsaturated group and at least one blocked isocyanate group per molecule in an aqueous medium. (2) A mixture of a at least one monomer (a1) with at least one isocyanate reactive functional group at last one monomer (a2) that can be copolymerised therewith is subsequently radically copolymerised in an emulsion in the presence of the polyurethane (B) or the polyurethanes (B). A powder slurry transparent lacquer layer is added to the resulting base lacquer layer. The base lacquer layer and the transparent lacquer layer are hardened together. The invention also relates to novel hydrophilic or hydrophobic self cross-linking polyurethanes (B) with at least one lateral and/or at least one terminal olefinically unsaturated group and at least one lateral blocked isocyanate group per molecule and graft copolymers on the basis of said polyurethanes (B) as well as the use thereof.

Method for multilayer coatings with self-crosslinking graft polyurethane copolymers, self-crosslinking polyurethanes and graft copolymers thereof

A process for improving the intercoat adhesion in a multicoat paint system utilizing a primer coat, an aqueous basecoat, and a clearcoat, where the multicoat paint system has been produced by means of a wet-on-wet technique. The clearcoat is produced using a pseudoplastic powder clearcoat slurry prepared by a secondary dispersion process or a melt emulsification process. The aqueous basecoat material used to produce the aqueous basecoat comprises a dispersed graft copolymer whose particles are composed of a hydrophobic core of copolymerized olefinically unsaturated monomers and of a hydrophilic shell which comprises a polyurethane, where said copolymer is prepared by free-radical (co)polymerization of the monomers in the presence of at least one polyurethane containing specially selected olefinically unsaturated groups.

Method for improving the adhesion of the intermediate layer in a multi-paint finish

An aqueous coating material curable physically, thermally, or both thermally and with actinic radiation, comprising

Aqueous coating material that can be hardened physically, thermally or thermally and with actinic radiation and the utilization thereof

Powder slurries curable thermally and with actinic radiation and comprising solid and/or highly viscous particles dimensionally stable under storage and application conditions, comprising

Powder slurries which can be hardened thermally and by means of actinic radiation, a method for the production thereof and the use of the same

A solventborne coating material curable physically, thermally, or thermally and with actinic radiation, comprising

Solventborne coating substance that can be cured physically, thermally or thermally and by using actinic radiation and use thereof

The invention relates to a method for producing chromophore and/or effect giving multilayer lacquers according to the wet-on-wet method. A water base lacquer is applied which contains at least one graft copolymer containing (A) at least one (meth)acrylate copolymer and (B) at least one polyurethane. The graft copolymer can be produced by (1) dispersing at least one hydrophilic or hydrophobic self cross-linking polyurethane (B) with a statistical average of at least one terminal and/or at least one lateral olefinically unsaturated group and at least one blocked isocyanate group per molecule in an aqueous medium. (2) A mixture of a at least one monomer (a1) with at least one isocyanate reactive functional group at last one monomer (a2) that can be copolymerized therewith is subsequently radically copolymerized in an emulsion in the presence of the polyurethane (B) or the polyurethanes (B). A powder slurry transparent lacquer layer is added to the resulting base lacquer layer. The base lacquer layer and the transparent lacquer layer are hardened together. The invention also relates to novel hydrophilic or hydrophobic self cross-linking polyurethanes (B) with at least one lateral and/or at least one terminal olefinically unsaturated group and at least one lateral blocked isocyanate group per molecule and graft copolymers on the basis of said polyurethanes (B) as well as the use thereof.

Method of producing multilayer color and/or effect paint systems utilizing self-crosslinking graft copolymers of polyurethane

Growing community of inventors

Veitshöchheim, Germany

Egon Wegner