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US 2026/0258278 A1Published application
Process for wet on wet application of a multilayer coating
AssigneeAxalta Coating Systems IP Co., LLC
InventorsKlaus Wissing, Andrew Duda
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Abstract
A wet on wet process for multilayer coating of a substrate includes applying on the substrate to be coated a surfacer layer of an organic solvent-based surfacer coating composition comprising at least one polyaspartic acid ester, at least one polyisocyanate cross-linking agent with free isocyanate groups, at least one pigment and/or extender and at least one organic solvent. The surfacer layer on coated substrate is flashed off and a top coat layer is applied on the surfacer layer.
Claims20
Wet on wet process for multilayer coating of a substrate, the process comprising the steps of:
- (i) applying on the substrate to be coated a surfacer layer of an organic solvent-based surfacer coating composition comprising:
- A) at least one polyaspartic acid ester;
- B) at least one polyisocyanate cross-linking agent with free isocyanate groups;
- C) at least one pigment and/or extender;
- and
- D) at least one organic solvent;
- (ii) flashing off the surfacer layer;
- and
- (iii) applying a top coat layer on the surfacer layer.
6 more elements
Dependencies are inferred from the claim text.