E.i. Dupont De Nemours and Company

Axalta Coating Systems IP Co LLC

Coatings Foreign IP Co. LLC

Peter William Uhlianuk

Delson Jayme Trindade

Isidor Hazan

Ding Y Chung

Jeffery W Johnson

Robert R Matheson

Isao Nagata

Brian J Ladd

John David Nordstrom

Charles J Brandenburg

Donald Albert Paquet, Jr

San C Yuan

Kenneth S Kirshenbaum

Ding-Yu Chung

Walter C Meyer

Eric Calhoun

Robert A Tessmer

Alan E Smith

Randal D King

Donald A White

Raymond S Van Ham

Lee A Turnquist

Larry G Oien

Delson J Trindade

Robert G Von Berge

Coating compositions for coil coating, methods for making such coating compositions and coil coating methods are provided. In an exemplary embodiment, a coating composition includes an organic solvent carrier and a film-forming binder dispersed in the organic solvent carrier. The film-forming binder contains an epoxy-amine adduct and a blocked or unblocked polyisocyanate crosslinking agent. The film-forming binder has associated amine groups until subjected to a temperature of at least about 165.5&#xb0; C. (330&#xb0; F.). The coating composition also contains a pigment and a grinding resin. The coating composition has a solids content of at least about 50 wt. % based on a total weight of the coating composition.

Coating compositions for coil coating, methods for making such coating compositions and coil coating methods

A method for forming a multi-layer coating includes the step of sequentially applying a layer of a primer coating composition, a layer of a base coating composition, and a layer of a clear coating composition on a substrate. The clear coating composition includes a film forming binder and an organic liquid carrier. The film forming binder includes at least one monomer unit including the condensation product of an ethylenically unsaturated carboxylic acid group and glycidyl ester of a mixture of tertiary acids having 9 to 11 carbon atoms having at least one methyl group on the &#x3b1;-carbon. The method further includes the step of simultaneously curing the applied three layers by baking.

Multi-layer coated substrates and methods for forming multi-layer coatings on substrates

Sag control compositions, methods of forming sag control compositions, and methods of forming coating systems that include at least one coating layer including urea crystals of such sag control compositions are provided herein. In an embodiment, a sag control composition includes urea crystals and a non-polymeric organic solvent. The urea crystals include the reaction product of a polyisocyanate and a mono-amine. The sag control composition is a stable mixture with a single phase at a temperature of about 21&#xb0; C. based upon visual observation for a period of at least 10 minutes after forming the mixture.

Sag control compositions, methods of forming the same, and methods of forming coating systems using the same

The present disclosure is directed to a method of applying at least one layer of a waterborne primer composition, at least one layer of a waterborne basecoat composition and at least one layer of a clearcoat composition to a substrate followed by a heating step which simultaneously cures the applied layers of coating composition.

Method for forming a multilayer coating

This invention is directed to a coating composition comprising an coating composition comprising a crosslinkable composition and a crosslinking composition. The crosslinkable composition comprises an acrylic polyol wherein the acrylic polyol comprises at least 40 percent by weight of at least one linear or branched C8 or higher alkyl acrylate monomer and at least one polyester extended acrylate monomer. The coating composition is suitable for use as a basecoat and can be used in a 3-wet paint process that eliminates the primer curing booth.

Acrylic polyol coating composition

This invention relates to a method for forming a multi-layer coating on a vehicle body, comprised of applying primer coating, base coating, and clear coat layers in a wet-on-wet-on-wet manner, and simultaneously curing the applied three layers together in a single baking step. The primer layer comprises a film-forming binder comprising two acrylic polymers, the first being a caprolactone-modified branched acrylic polymer and the second being a caprolactone-modified linear acrylic polymer; and a crosslinking agent selected from aminoplast resin, blocked polyisocyanates, or mixtures thereof, wherein the composition is, essentially free of crosslinked nonaqueous dispersion resin particles or crosslinked microgel resin particles or both. The resulting multi-layered coating has excellent aesthetic appearance, strike-in resistance, chipping resistance, sag resistance, and film build even when formed in a three wet layered application method.

Method of forming multi-layer coating films on automobile bodies without a primer bake

Method of forming multi-layer coating on automobile bodies without a primer bake

This invention relates to a method for forming a multi-layer coating on a vehicle body, comprised of applying primer coating, base coating, and clear coat layers in a wet-on-wet-on-wet manner, and simultaneously curing the applied three layers together in a single baking step. The primer layer comprises a film-forming binder The resulting multi-layered coating film has excellent aesthetic appearance, strike-in resistance, chipping resistance, sag resistance, and film build even when formed in a three wet layered application method.

Method of forming multi-layer coatings on automobile bodies without a primer bake

An aqueous coating composition having a pH of 6.0&#x2013;10.0 comprises 30% to 70% by weight of film-forming binder and correspondingly 70% to 30% by weight of an aqueous liquid carrier for the binder; wherein the binder comprises

Aqueous coating composition having improved acid etch and mar resistance

A low VOC clear coat composition which comprises an epoxy compound, a melamine component and an aliphatic polyisocyanate having an average of 2 to 6 isocyanate functionalities, and optionally contains a catalyst (e.g., organotin catalysts, acid catalysts and combinations); a polyhydroxyl functional compound (e.g., polycarbonate polyol); or other additives (e.g., light absorbers and light stabilizers). Also disclosed is an article coated with the clear coat composition, a process of making the composition, and a process of applying the composition to, for example, an automobile body.

High solid epoxy, melamine and isocyanate compositions

This invention is directed to a coating composition used for original equipment manufacturing or refinishing uses in the automotive industry, which coating composition utilizes an acrylic polymer which contains substituted or unsubstituted exomethylene lactones or lactams as a comonomer.

Coating compositions containing substituted and unsubstituted exomethylene lactone or lactam monomers

The present invention provides for an etch and mar resistant low VOC clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automative coatings. The coating composition includes isocyanate, silane and melamine components. The isocyanate component includes an aliphatic polyisocyanate. The composition may be formulated as a two-pack or one-pack coating composition, wherein the isocyanante functionalities are blocked with a blocker such as a mono-alcohol.

High solids acid etch resistant clear coating composition

The present invention provides for an etch and mar resistant low VOC clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automotive coatings. The coating composition includes polyisocyanate, polyester polyol and melamine components, where more than half of total composition solids include the polyester polyol and melamine components. The polyisocyanate component includes an aliphatic polyisocyanate. The composition may be formulated as a two-pack or one-pack coating composition, wherein the isocyanate functionalities are blocked with a blocker such as a mono-alcohol.

High solids acid etch and mar resistant clear coating composition

The present invention provides for an etch and mar resistant low VOC clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automotive coatings. The coating composition includes isocyanate, carbonate and melamine components. The isocyanate component includes an aliphatic polyisocyanate. The composition may be formulated as a two-pack or one-pack coating composition, wherein the isocyanate functionalities are blocked with a blocker such as a mono-alcohol.

High solids clear coating composition

An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct which is of an epoxy resin that has been reacted with an amine, and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of a water soluble electrically conductive polymeric additive of a polyepoxy hydroxy ether resin reacted with a ketimine and optionally up to 60% of the epoxy end groups of the resin reacted with another amine and the resin has an epoxy equivalent weight of about 500-900, a weight average molecular weight of about 1,000-5,000 and an electrical conductivity of about 4,000-8,000 microsiemens to provide an electrocoating composition having improved throw power.

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Romeo, MI, United States of America

Peter William Uhlianuk