Basf Coatings Gmbh

Basf Coatings Ag

Basf Coatings Japan Limited

Basf Corporation

Basf Japan, Ltd.

Solvay Infra Bad Hoenningen Gmbh

Andreas Poppe

Elke Westhoff

Manuela Niemeier

Sabine Holtschulte

Günter Klein

Wilfried Stübbe

Björn Feldmann

Simone Hesener

Norbert Loew

Winfried Stübbe

Wei Hu

Hitoshi Taniguchi

Matthijs Groenewolt

Cathrin Corten

Britta Schnieders

Guenter Klein

Julia Melzer

Beate Gebauer

Eishi Tsukamoto

Oliver Hilge

Ulrike Clausen-Meiring

Bernhard Steinmetz

Egon Wegner

Karl-Heinz Joost

Peter Mayenfels

Dominik Stoll

Peter Hoffmann

Hardy Reuter

Joachim Woltering

Wolfgang Bremser

Peggy Jankowski

Benedikt Schnier

Ferdinand Hardinghaus

Michael Kutschera

Christian Weiher

Andre Brosseit

Wolfgang Duschek

Dunja Mikolajetz

Hiroyuki Takagi

Silke Hottenbacher

Petra Wagner

Ulrike Wenking

Manfred Essig

Helmut Kleine Beckmann

Guido Schulze-Finkenbrink

Simone Jurczik

Rainer Stahl

Christopher David Glende

Thomas Leitner

Michael Richert

Bjoern Feldmann

Won Jai Park

Tanja Bricke

Karin Wermelt

Katrin Deller

Martina Mollers

Jens-Dieter Fischer

Klaus Eikelmann

Veronika Lackstadter

Karl Hoehler

Mikolajetz Dunja

Dunja Köppen

Wilfried Stuebbe

Alfred König

Bianca Giesen

Corinna Auβmann

Florian Brauckmann

Laura Reuter

Rui Niimi

Wei Qiu Hu

Norbert LÖW

Bianca Hunder

Veronika LACKSTÄDTER

Corinna Aussmann

Described herein are an aqueous coating composition including at least one anionically stabilized binder, effect pigment, polycarboxylic acid, and solvent, and a method for producing a multicoat paint system by producing a basecoat directly on a substrate, producing a clearcoat directly on the basecoat, and then jointly curing the basecoat and the clearcoat. At least one of the basecoat materials includes the aqueous coating. Also described herein are multicoat paint system obtainable by this method, and the use of at least one polycarboxylic acid in an aqueous coating composition for improving the effect pigment orientation, or for color matching.

Polycarboxylic acid-containing aqueous coating agent having an improved effect pigment alignment

Disclosed herein is an aqueous coating composition including an anionically stabilized binder, a color pigment, a polycarboxylic acid, and optionally a solvent. Further disclosed is a method for producing an aqueous coating composition by adding a solution of polycarboxylic acid in a solvent to a coating composition including an anionically stabilized binder and color pigment. Additionally disclosed is a method for producing a multicoat paint system by producing a basecoat layer or at least two directly consecutive basecoat layers directly on a substrate optionally coated with a first coating layer, producing a clearcoat layer directly on the basecoat layer or the topmost basecoat layer, and jointly curing the basecoat layer(s) and the clearcoat layer. At least one of the basecoat materials includes the aqueous coating composition disclosed herein and/or an aqueous coating prepared by the disclosed method. A multicoat paint system obtainable by the method is additionally disclosed.

Aqueous polycarboxylic acid containing coating composition with improved leveling properties

The present invention relates to a copolymer (A) having a glass transition temperature Tof at least &#x2212;30&#xb0; C. obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and in the presence of at least one initiator, where the mixture of monomers (a) to be polymerized comprises 

Copolymer and pigmented coating agent containing the copolymer

The present invention relates to a solventborne, pigmented coating composition, which comprises, based on the total amount of the coating composition, 0.02 to 0.75 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and the copolymer (A) possesses a glass transition temperature Tof at least &#x2212;30&#xb0; C.

Pigmented coating agent and coatings produced therefrom

The present invention relates to a solventborne, pigmented coating composition having a solids fraction of at least 35%, which comprises, based on the total amount of the coating composition, 0.1 to 1.5 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent, the mixture of monomers (a) to be polymerized consists of where

Disclosed herein is a thermally curable mixture, comprising at least one phosphonic diester (A), at least one diphosphonic diester (A), or at least one phosphonic diester and at least one diphosphonic diester (A); and at least one compound (B) which can be reacted by transesterification, transamidation, self-condensation of N-hydroxyalkylamino groups, self-condensation of N-alkoxyalkylamino groups, transacctalization of N-alkoxyalkylamino groups, acctalization of N-hydroxyalkylamino groups, or a combination thereof. Also disclosed is a process for making the thermally curable mixture, and a cured material comprising the product of thermally curing the mixture.

Use of phosphonic acid diesters and diphosphonic acid diesters and thermally curable mixtures containing phosphonic acid diesters and diphosphonic acid diesters

The present invention relates to a pigmented aqueous basecoat material comprising a polyether-based reaction product which is preparable by reaction of in which

Polyether-based reaction products and aqueous basecoat materials comprising said products

Described is a clearcoat coating composition, its use, and a process for preparing the clearcoat coating composition. The clearcoat coating composition comprises (A) at least one polyester having an OH number of 80-250 mg KOH/g; (B) at least one butanol-etherified melamine-formaldehyde resin having a crosslinking onset temperature between 65&#xb0; C.-100&#xb0; C. lower than the crosslinking onset temperature of hexamethoxy-methylmelamine; (C) at least one butanol-etherified melamine-formaldehyde resin having a crosslinking onset temperature between 30&#xb0; C.-60&#xb0; C. lower than the crosslinking onset temperature of hexamethoxymethylmelamine; (D) at least one organic urea compound as rheological assistant; and (E) at least one acid catalyst.

Clearcoat coating composition, method for production and use

Disclosed are coating compositions comprising at least one hydroxyl-containing compound (A) and at least one isocyanato-containing compound (B), wherein one or more of the constituents of the coating composition comprise between 2.5 and 97.5 mol %, based on the entirety of structural units (I) and (II), of at least one structural unit of the formula (I)&#x2014;N(X&#x2014;SiR&#x2033;(OR'))(X&#x2032;&#x2014;SiR&#x2033;(OR&#x2032;))&#x2003;&#x2003;(I)and between 2.5 and 97.5 mol %, based on the entirety of structural units (I) and (II), of at least one structural unit of the formula (II)&#x2014;Z&#x2014;(X&#x2014;SiR&#x2033;(OR&#x2032;))&#x2003;&#x2003;(II).

Coating agents having high scratch resistance and weathering stability

Disclosed is a hyperbranched, dendritic, hydroxyl-functional polyester comprising an OH number greater than or equal to 180 mg KOH/g as measured via DIN 53240 and to clearcoat compositions comprising said polyesters. Also disclosed are processes for preparing the disclosed polyester, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.

Clear paint compositions comprising hyperbranched, dendritic, hydroxyl-functional polyesters

Binder mixture comprising a hydroxyl-containing compound (A), and at least 1.0% by weight, based on the nonvolatile constituents of the binder mixture, of a phosphorus- and nitrogen-containing catalyst (D) for the crosslinking of silane groups, wherein the hydroxyl-containing compound (A) comprises a hydroxyl-functional polyester having on average at least one hydroxyl function of the polyester esterified with a C8 to C9 monocarboxylic acid, and the catalyst (D) is blocked with at least one tertiary amine of the formula (I) where Ris an acyclic aliphatic or araliphatic hydrocarbon radical having at least 3 C atoms, Ris an acyclic aliphatic or araliphatic hydrocarbon radical which is the same or different from Rand/or R, and Ris hydrogen or an acyclic aliphatic or araliphatic hydrocarbon radical which is the same or different from Rand/or R.

Binding agent mixture, coating agents containing said binding agent mixture, and coatings produced from said coating agents, said coatings having a high scratch resistance, high weathering stability, and good optical properties

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

The present invention relates to a coating composition comprising

Coating composition having a high scratch resistance and weathering stability

Use of curable mixtures comprising silane group-containing compounds and phosphonic acid diester or diphosphonic acid diester as adhesives

The invention provides coating compositions comprising The invention additionally relates to multistage coating processes using these coating compositions and also to the use of the coating compositions as clearcoat material and to the use of the coating process for automotive OEM finishing and automotive refinish.

Coating compositions and resultant coatings with high scratch resistance and stability to solvent popping

Growing community of inventors

Sendenhorst, Germany

Andreas Poppe