Axalta Coating Systems IP Co LLC

E.i. Dupont De Nemours and Company

Coatings Foreign IP Co. LLC

Wilfried Dutt

Karl-Friedrich Doessel

Gunter Richter

James G King

A process for the production of a dark-color multi-layer coating, comprising the successive steps:

Process for the production of a dark-color multi-layer coating

A process for the production of a dark-color multi-layer coating, comprising the successive steps: (1) applying an NIR-opaque coating layer A' from a waterborne pigmented coating composition A to a substrate, (2) applying a coating layer B&#x2032; from a waterborne pigmented coating composition B onto the substrate provided with coating layer A&#x2032;, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise aqueous microgel and sheet silicate, wherein the pigment content of coating composition A consists 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment, wherein the pigment content of coating composition B consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment.

A method for coating motor vehicles with a multi-layer finish that achieves the appearance of polished metal or anodized metal using vacuum metallized flake pigments in one of the coating layers.

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Wermelskirchen, Germany

Wilfried Dutt