Basf Coatings Gmbh

Cathrin Corten

Dirk Eierhoff

Nicole Freitag

Britta Schnieders

Joerg Schwarz

Stefanie Boshe-Plois

Heinz-Ulrich Grumpe

Patrick Wilm

Wei Hu

Andreas Poppe

Fatmir Raka

Norbert Loew

Audree Andersen

Markus Saedler

Mechthild Vienenkoetter

Manuela Niemeier

Alexandra Steffens

Ralf Nickolaus

Frederik Foelling

Audrée Andersen

Susanne Katharina Fechtner

Frederik Fölling

Peter Hoffmann

Aaron Flores-Figueroa

Stephan Schwarte

Andrea Misske

Josef Rademacher

Rainer Klopsch

Ming Wang

Simone Hesener

Christian Weiher

Reinhold Clauss

Stefan Hirsemann

Ursula Heimeier

Elisabeth Wessling

Kristin Michel

Michael Grabbe

Andreas Feigl

Wilma Nimz

Annika Werning

Susanne Katharina Kreth

Klaus-Juergen Kanngiesser

Susanne-Katharina Kreth

Stephanie Boshe-Plois

Klaus-Jürgen Kanngiesser

Norbert LÖW

Wei Qiu Hu

Mechthild VIENENKÖTTER

Jörg Schwarz

Mechthild Vienenkotter

Jorg Schwarz

Yuan Yuan Song

Chun Yang Li

Ling Yu Sui

Described herein are an aqueous pigment paste including at least one color pigment (a) and at least one polymer (b) which is preparable by successive radical emulsion polymerization of three monomer mixtures (A), (B) and (C) of olefinically unsaturated monomers in water, an aqueous basecoat material which is preparable by admixing the pigment paste to at least one aqueous binder-containing component suitable for preparing the basecoat material, a method for producing a multicoat paint system using this basecoat material, and use of the polymer (b) for dispersing color pigments within an aqueous pigment paste.

Aqueous color pigment pastes containing a polymerizate, and basecoats produced therefrom

Aqueous dispersions including multistage-prepared polymers of mixtures of olefinically unsaturated compounds are disclosed. The aqueous dispersions include at least one polyurethane containing olefinically unsaturated groups. Production and use of the aqueous dispersions, particularly in the field of automotive finishing, is disclosed. The disclosure further relates to an aqueous basecoat material including the multistage-prepared polymers, and also to a method for producing a multicoat paint system using the aqueous basecoat material.

Aqueous dispersions containing polymerizates produced in multiple stages with polyurethanes as well as coating agent compositions containing same

The present invention relates to aqueous dispersions comprising multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

Aqueous dispersions containing polymerizates produced in multiple stages and coating agent compositions containing same

Provided herein is a method for producing a multicoat paint system on a metallic substrate by producing a basecoat or a plurality of directly successive basecoats directly on a metallic substrate coated with a cured electrocoat system, producing a clearcoat directly on the one or the topmost of the plurality of basecoats, and subsequently jointly curing the one or the plurality of basecoats and the clearcoat, wherein at least one basecoat material used for producing the basecoats includes at least one aqueous dispersion which includes a polymer whose preparation includes successive radical emulsion polymerization of three mixtures of olefinically unsaturated monomers.

Method for producing a multi-layered coating

Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.

Mixing system for producing aqueous repair coating products, method for the production thereof, and aqueous repair coating products produced from the mixing system

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 invention relates to aqueous dispersions comprising multistage-prepared polymers, and also to coating material compositions comprising them, preparable by multistage polymerization of olefinically unsaturated monomers, using an emulsifier and a water-soluble initiator, under conditions of starved feed polymerization, and using particular monomer mixtures in the individual stages. The invention also relates to a pigmented aqueous basecoat material comprising the aqueous dispersion of the invention, to the use of the aqueous dispersion of the invention in aqueous basecoat materials for improving adhesion, to a process for producing a multicoat paint system on a substrate, and to a multicoat paint system produced in accordance with the stated process.

Aqueous dispersions containing multistage produced polymers and coating agent compositions containing the same

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

The present invention relates to a solventborne clearcoat material which comprises at least one additive preparable by reacting at least one alpha,omega-hydroxy-functionalized oligoester which has an OH number of 30 to 160 mg KOH/g, a theoretical carbon-carbon double bond content of 1 to 2.5 mmol/g, a number-average molecular weight of 1000 to 3000 g/mol, and a weight-average molecular weight of 2800 to 10 000 g/mol, and at least one alkoxysilane which possesses an OH-reactive functional group, the sum of the weight percentage fractions of all additives of the invention being 0.5 to 10 wt %, based on the total amount of the solventborne clearcoat material. The present invention further relates to a process for producing multicoat paint systems, and to multicoat paint systems producible by means of said process. The invention further relates to the use of the above-identified additive in solventborne clearcoat materials for the purpose of improving adhesion.

Adhesion promoter for solventborne clearcoat materials

The present invention relates to an aqueous coating composition comprising at least one binder (A) comprising at least one polymeric resin (A1), at least one pigment (B), and an aqueous dispersion of at least one thickener (C), where (C) is obtainable by a method comprising at least the steps (1), (2), (3), and (4), namely preparing a dispersion or solution of at least one polyurethane as a polymeric resin (C2) in at least one organic solvent (step (1)), preparing a mixture of the dispersion or solution obtained by step (1) and of a melt or solution of at least one polyamide as at least one polymeric resin (C1) having an acid number in a range from 1 to 200 mg of KOH per g of (C1) (step (2)), adding water to the mixture obtained by step (2) (step (3)), and removing the organic solvent from the mixture obtained by step (3), to give the aqueous dispersion of (C) (step (4)), to the use thereof for at least partly coating an optionally coated substrate with a basecoat film, to a coating method of this kind, and to a substrate coated accordingly.

Aqueous coating composition comprising a thickener preparable from at least one polyamide and at least one further polymer

The present invention relates to a copolymer obtainable by copolymerization of at least three ethylenically unsaturated monomers each different from one another, the copolymer having at least three structural units (S1) and (S2) and (S3) different from one another, to the use of this copolymer as an adhesion-promoting additive in an aqueous coating composition, to an aqueous coating composition comprising at least one polymeric resin (A1), at least one pigment (B), and at least one copolymer of the invention, used as adhesion-promoting additive, as component (C), and also to methods for at least partly coating a substrate with a basecoat and for at least partly coating a substrate with a multicoat paint system.

Adhesion promoters for aqueous coating compositions

The present invention relates to an aqueous coating composition comprising at least one mixture (M) of at least one polymeric resin (P1) and at least one polymeric resin (P2), different therefrom, where (P1) is a polyamide and (P2) is a polyester which is at least obtainable by reaction of at least one polymerized aliphatic C-C-monocarboxylic acid with at least one diol and/or polyol, at least one binder (A) comprising at least one polymeric resin (A1), which is different from the polymeric resins (P1) and (P2), at least one pigment (B), where the polyamide used as polymeric resin (P1) has an acid number &#x3c;10 mg of KOH per g of polyamide and the mixture (M) is obtainable by dispersing of the polymeric resin (P1) in water or an aqueous medium in the presence of the polymeric resin (P2), to a method for at least partly coating a substrate with a basecoat film by means of the aqueous coating composition, and to a use of the mixture (M) as a rheological assistant in aqueous coating compositions.

Aqueous coating composition for applying a basecoat film, comprising a mixture of a polyester and a polyamide with low acid number as rheological assistant

The present invention relates to an aqueous dispersion (P) comprising at least one polymeric resin (P1) and at least one polymeric resin (P2) different therefrom, where the polymeric resin (P1) is a polyamide and the polymeric resin (P2) is a polyester which is at least obtainable by reaction of at least one polymerized aliphatic C-Cmonocarboxylic acid with at least one diol and/or polyol, (P) being obtainable by dispersing of (P1) in water or an aqueous medium in the presence of (P2), and where (P1) has an acid number &#x3c;10 mg of KOH per g of polyamide, and (P) contains at most 25 wt %, based on the total weight of (P), of one or more organic solvents, and also to an aqueous coating composition comprising (P), at least one binder (A) comprising at least one polymeric resin (A1), which is different from the polymeric resins (P1) and (P2), and at least one pigment (B) for at least partly coating a substrate with a basecoat film.

Aqueous dispersion of a polyester and a polyamide of low acid number and coating composition comprising same for applying a basecoat

The present invention relates to a solventborne primer surfacer which comprises at least one additive preparable by reacting at least one alpha,omega-hydroxy-functionalized oligoester which possesses an OH number of 30 to 160 mg KOH/g, a theoretical carbon-carbon double bond content of 1 to 2.5 mmol/g, a number-average molecular weight of 1000 to 3000 g/mol, and a weight-average molecular weight of 2800 to 10 000 g/mol, and at least one alkoxysilane which possesses an OH-reactive functional group, the sum of the weight percentage fractions of all additives of the invention being 0.5 to 10 wt %, based on the total amount of the solventborne primer surfacer. The present invention further relates to a process for producing multicoat paint systems, and to multicoat paint systems producible by means of said process. The invention further relates to the use of the additive identified above in solventborne primer surfacers for improving adhesion.

Adhesion promoter for solventborne primer surfacers

Growing community of inventors

Unna, Germany

Cathrin Corten