Method of forming multi-layered patterned coating film

B - Operations – Transporting – 05 – D

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B05D 5/06 (2006.01)

Patent

CA 2572900

The present invention provides methods of forming multi-layered patterned coating films comprising the steps of (1) applying a first colored base coating composition to a substrate, (2) applying a second colored base coating composition over the uncured coating film of the first colored base coating composition in such a manner that the first colored base coating film is partially exposed, the second colored base coating composition being able to form a coating film of different color and/or visual texture from that of the first colored base coating composition, and having, 30 seconds after application, 30 to 60 mass % of the solids content of the base coating composition, and (3) applying a top clear coating composition over the cured or uncured first and second colored base coating compositions, and curing the uncured composition(s).

La présente invention porte sur des méthodes de formation d'une pellicule protectrice à motifs multicouches comprenant les étapes suivantes, soit (1) appliquer une première couche d'apprêt colorée sur le substrat de façon à ce que celle-ci soit partiellement exposée, et que la deuxième couche d'apprêt colorée puisse former une pellicule protectrice d'une couleur et/ou d'une texture visuelle différente de la première et qui représente, 30 secondes après son application, une masse de 30 à 60 % de la teneur en solides de la composition d'apprêt de base, puis (3) appliquer une composition superficielle transparente sur les première et deuxième couches d'apprêt colorées durcies ou non durcies et, enfin, faire durcir la ou les composition(s) non durcie(s).

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