Basf Coatings Gmbh

Basf Coatings Ag

Fatmir Raka

Joachim Woltering

Cathrin Corten

Nicole Freitag

Markus Saedler

Audrée Andersen

Reinhold Schwalm

Erich Beck

Hubert Baumgart

Frank Dietsche

Klaus Menzel

Horst Hintze-Brüning

Yvonne Heischkel

Alexandra Steffens

Nick Gruber

Berthold Austrup

Ulf Schlotterbeck

Stefanie Boshe-Plois

Gabriele Dlugosch

Igor Millbaier

Heike Florack

Frederik Fölling

Ulrich Poth

Ulrike R&ouml;ckrath

Ulrike Röckrath

Manuela Niemeier

Maximilian Bendix

Georg Wigger

G&uuml;nther Ott

Günther Ott

Britta Schnieders

Frank Strickmann

Audree Andersen

Michael Dornbusch

Horst Hintze-Bruening

Christian Weiher

Bernd Biallas

Andreas Feigl

Ute Schumacher

Ute Schuhmacher

Daniel Briesenick

Yevgen Zhmayev

Disclosed herein is a method for assessing a shape of a bell-shaped liquid spray, including the steps of operating a spray nozzle for delivering a bell-shaped liquid spray and capturing an image of a plurality of liquid jets forming the delivered bell-shaped liquid spray during operation of the spray nozzle, and a computer program product for assessing a bell-shaped liquid spray.

Method for assessing a shape of a bell-shaped liquid spray

Disclosed herein is a method for assessing a flow a sprayed coating, including the steps of spraying a coating onto a surface and capturing a plurality of images of the sprayed surface at a predetermined frequency within a predetermined interval of time, and a computer program product for assessing a flow of a sprayed coating.

Assessing a flow of a sprayed coating

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

Solventborne filler comprises 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 3 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, moreover, the sum of the weight percentage fractions of all the alpha,omega-hydroxy-functionalized oligoesters being 0.5 to 10 wt. %, based on the total amount of the solventborne filler. Also provided are a multicoat paint system, a process for producing a multicoat paint system, and use of the above-designated alpha,omega-hydroxy-functionalized oligoester in solventborne fillers for improving adhesion.

Alpha,Omega-hydroxy-functionalized oligoester as adhesion promoter in solventborne fillers

Pigmented aqueous basecoat material comprises at least one alpha, omega-hydroxy-functionalized oligoester having an OH number of 25 to 95 mg KOH/g, a theoretical carbon-carbon double bond content of 0.5 to 2.5 mmol/g, a number-average molecular weight of 2500 to 6000 g/mol and a weight-average molecular weight of 15 000 to 30 000 g/mol, the alpha, omega-hydroxy-functionalized oligoester further comprising at least one partially or completely salified acid group, and the sum of the weight percentage fractions of all the alpha, omega-hydroxy-functionalized oligoesters being 0.5 to 10 wt %, based on the total solids fraction of the pigmented aqueous basecoat material. Also provided are a multicoat paint system, a method of producing a multicoat paint system, and use of the above-identified alpha, omega-hydroxy-functionalized oligoester in pigmented aqueous basecoat materials for the purpose of improving adhesion.

Alpha,omega-hydroxy-functionalized oligoester as adhesion promoter in aqueous basecoats

Provided are methods for coating plastic substrates with an aqueous coating composition comprising at least one organic polymer as binder, the coating composition being applied to the surface of the plastic substrate and being subsequently cured, wherein the plastic substrate is pretreated before the coating composition is applied, the pretreatment comprising the two following separate steps in the order stated: Additionally, provided are coated plastic substrates that have been coated by the methods of the invention.

Method for coating plastic substrates

A process is disclosed for producing moldings, in which a pigmented coating composition (P) and a free-radically crosslinkable coating composition (K), which after crosslinking to completion produces a transparent coating (KE) are applied to a support sheet, wherein a dried but as yet not completely crosslinked coating (KT) is produced from the coating composition (K), the coated support sheet is shaped and is injection backmolded or foam-backed, and the coating (KT) is cured or aftercured; the crosslinkable coating composition (K) comprising a free-radically crosslinkable component (KK) which contains hydrogen bond forming structural elements.

Method for producing molded parts, especially for use in automobile manufacture, and corresponding appropriate films comprising a coating

A two-coat coating system for producing a two-coat coating, comprising (A) a composition of a transparent radiation-curable or radiation-curable and thermally curable clearcoat material, comprising at least one hydroxy-functional binder, and (B) a pigmented coating composition, the pigmented coating composition comprising at least one blocked, water-soluble or water-dispersible isocyanate.

Two-layer coating system having improved intercoat adhesion

A process for producing moldings, in which a solventborne or aqueous, pigmented coating composition (P) and a free-radically crosslinkable coating composition (K), which after crosslinking to completion produces a transparent coating (KE) are applied to a support sheet, a dried but as yet not completely crosslinked coating (KT) is produced from the coating composition (K), the coated support sheet is shaped and is injection backmolded or foam-backed with a liquid polymeric material, and the coating (KT)&#x2014;if this has not already taken place&#x2014;is cured or aftercured; the crosslinkable coating composition (K) comprising a free- radically crosslinkable component (KK) which comprises carbamate and/or biuret and/or allophanate and/or urea and/or amide groups.

Method for producing moulded parts, in particular for use in the car industry, and a film comprising a coating which is suitable therefor

A process for producing sheets, in which a free-radically crosslinkable coating composition (K) which after crosslinking to completion gives a transparent coating (KE) is applied to a backing sheet (T), a coating (KT), dried but not yet crosslinked to completion, is produced from the coating composition (K), on (KT) a pigmented coating (PB) is produced and optionally on (PB) a tiecoat is applied, the crosslinkable coating composition (K) comprising a free-radically crosslinkable component (KK) based on urethane acrylate and containing carbamate and/or biuret and/or allophanate and/or urea and/or amide groups, (KK) having a number-average molecular weight of from 1000 to 50 000 g/mol, having a double bond content of from 1.0 to 5.0 mol of double bonds per 1000 g of reactive component (KK), containing on average per molecule &#x3e;1 branching point, containing 5%-50% by weight, based in each case on the weight of component (KK), of cyclic structural elements, and containing at least one aliphatic structural element having at least 6 carbon atoms in the chain.

Method for producing films having a coating the films obtained in this way and their use for producing molded parts in particular for use in automobile construction

A process for producing polymer moldings with functional surfaces, in which a coating is produced on a support sheet, the coated support sheet is shaped and backed by injection molding or foaming with a liquid polymeric material, and the coating, if this has not already taken place, is cured or aftercured, the coating is covered at least temporarily with a protective sheet.

Method for producing molded plastic parts having functional surfaces

A pseudoplastic clearcoat slurry comprising solid and/or highly viscous particles which are dimensionally stable under storage and application conditions and at least one wetting agent selected from the group consisting of alkoxylated fatty alcohols having from 16 to 18 carbon atoms in the alkyl radical and containing on average per molecule at least 20 oxaalkanediyl groups; process for preparing it, and its use.

Structurally viscose clear lacquer slurry, method for the production and use thereof

A pseudoplastic clearcoat slurry comprising solid and/or highly viscous particles which are dimensionally stable under storage and application conditions and which comprise as binders methacrylate copolymers containing in copolymerized form, based on a given methacrylate copolymer, at least 90% by weight of methacrylate comonomers, including (meth)acrylate comonomers having potentially ionic groups; process for preparing it, and its use.

Intrinsically-viscous clear-lacquer slurry, method for production and use thereof

A pseudoplastic powder clearcoat slurry free from organic solvents and external emulsifiers and comprising particles which are solid and/or of high viscosity and are dimensionally stable under storage and application conditions, where the particles have an average size of from 1.0 to 20 &#x3bc;m, at least 99% of the particles having a size &#x2266;30 &#x3bc;m, and comprise as binder at least one polyol with an OH number &#x3e;110 mg KOH/g, containing potentially ionic groups, and where the powder clearcoat slurry has a potentially ionic group content of from 0.05 to 1 meq/g of solids, at a degree of neutralization of not more than 50% contains from 0.005 to 0.1 meq/g of solids of ionic groups produced by neutralization of the potentially ionic groups, and has a viscosity of (i) from 50 to 1 000 mPas at a shear rate of 1 000 s, (ii) from 150 to 8 000 mPas at a shear rate of 10 s, and (iii) from 180 to 12 000 mPas at a shear rate of 1 s.

Structurally viscous powder clearcoat slurry free from organic solvents and external emulsifiers, method for producing the same the use thereof

A pseudoplastic powder clearcoat slurry which is free from organic solvents and external emulsifiers and comprises solid spherical particles with an average size of from 0.8 to 20 &mgr;m and a maximum size of 30 &mgr;m, at least one ionic thickener and at least one nonionic associative thickener, the powder clearcoat slurry having an ion-forming group content of from 0.05 to 1 meq/g, a neutralizing agent content of from 0.05 to 1 meq/g, and a viscosity of (i) from 50 to 1 500 mPas at a shear rate of 1 000 s , (ii) from 150 to 8 000 mPas at a shear rate of 10 s , and (iii) from 180 to 12 000 mPas at a shear rate of 1 s .

Intrinsically viscous clear powder coating slurry which is free of organic solvents and external emulsifiers, method for producing said slurry and use of the same

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Münster, Germany

Fatmir Raka