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.
Type:
Grant
Filed:
February 18, 2011
Date of Patent:
February 2, 2016
Assignee:
BASF Coatings GmbH
Inventors:
Stephen Schwarte, Ulrich Uekötter, Peter Sonntag, Norbert Löw, Elke Roehr
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.
Type:
Application
Filed:
January 17, 2014
Publication date:
December 31, 2015
Applicant:
BASF Coating GmbH
Inventors:
Horst Hintze-Brüning, Fabrice Leroux, Thomas Stimpfling, Patrick Keil, Hubert Theil
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.
Type:
Grant
Filed:
September 8, 2011
Date of Patent:
December 29, 2015
Assignee:
BASF Coatings GmbH
Inventors:
Martin Kaune, Bianca Holters, Dieter Hohnholz
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 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.
Type:
Grant
Filed:
March 15, 2012
Date of Patent:
December 8, 2015
Assignee:
BASF Coatings GmbH
Inventors:
Elke Westhoff, Peter Hoffmann, Bernadette Möller, Benedikt Schnier
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: 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 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 carbamate-functional material is prepared by reacting a carbamate compound with a hydroxy-functional material using zirconium acetylacetonate as catalyst.
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.
Type:
Grant
Filed:
January 30, 2012
Date of Patent:
September 22, 2015
Assignee:
BASF Coatings GmbH
Inventors:
Elke Westhoff, Peter Hoffmann, Bernadette Moeller, Benedikt Schnier
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: 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.
Type:
Application
Filed:
May 29, 2013
Publication date:
July 30, 2015
Applicant:
BASF Coatings GmbH
Inventors:
Peter Hoffmann, Matthijs Groenewolt, Benedikt Schnier, Elke Westhoff
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.
Type:
Grant
Filed:
December 18, 2008
Date of Patent:
July 28, 2015
Assignee:
BASF Coatings GmbH
Inventors:
Andreas Poppe, Sabine Holtschulte, Björn Feldmann, Oliver Hilge, Günter Klein
Abstract: The abstract concerns a coating composition comprising 25-55% by weight of one or more film formers, 2.5-55% by weight of one or more fillers, 0-10% by weight of one or more additives, and 0-30% by weight of a solvent, based on the total weight of the coating composition. As the filler or a filler the composition comprises calcium hydrogen phosphate in a mass fraction of 2.5-20%, preferably 5-15%, more preferably 7.5-11% by weight based on the total weight of the coating composition. The invention further concerns processes for preparing this coating composition, its use as a coating material in the vehicle sector, and substrates produced therewith.
Type:
Grant
Filed:
September 14, 2007
Date of Patent:
July 14, 2015
Assignee:
BASF Coatings GmbH
Inventors:
Josef Rademacher, Gisela Laumann, Heinz-Peter Rink
Abstract: The present invention relates to a method for producing matt and scratch-resistant coatings that takes place under exposure to actinic radiation on coating systems containing activated double bonds under radical polymerization.
Type:
Grant
Filed:
December 17, 2012
Date of Patent:
July 7, 2015
Assignees:
BASF Coatings GmbH, Allnex IP S.Á.R.L.
Inventors:
Wolfgang Fischer, Nusret Yuva, Ludger Keweloh, Antje Meier
Abstract: The present invention relates to coating compositions comprising (A) at least one hydroxyl-containing polyacrylate and/or at least one hydroxyl-containing polymethacrylate and (B) at least one compound containing isocyanate groups and having at least one structural unit (I) of the formula (I) —NR—(X—SiR?x(OR?)3-x)??(I), and having at least one structural unit (II) of the formula (II) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(II), where (i) (A) has a glass transition temperature of less than 10° C., (ii) (B) contains more than 10 to more than 90 mol %, of at least one structural unit of the formula (I) and 10 to less than 90 mol % of at least one structural (II), based on the entirety of the structural units (I) and (II), and (iii) 10 to 60 mol % of the isocyanate groups of the diisocyanate and/or polyisocyanate parent structure of (I) and (II). The invention provides multistage coating processes using these coating compositions.
Abstract: The use of curable mixtures comprising (A) at least one phosphonic diester and/or at least one diphosphonic diester and (B) at least one compound containing at least two condensable silane groups, as coupling agents, particularly as coupling agents in laminates comprising at least one substrate, at least one coating, at least one adhesive layer, and at least one sheet, and also a new process for producing such laminates using the coupling agents, the laminates which are producible using the coupling agents, and thermally curable mixtures comprising the coupling agents and at least one thermally curable polyester (C).
Type:
Grant
Filed:
January 26, 2007
Date of Patent:
April 28, 2015
Assignee:
BASF Coatings GmbH
Inventors:
Andreas Poppe, Guido Schulze-Finkenbrink