Strippable laminate finish

Details Strippable laminate finish Strippable laminate finish

C - Chemistry, Metallurgy

09

D

C09D 7/00 (2006.01) A01N 25/02 (2006.01) A01N 37/16 (2006.01) A01N 59/00 (2006.01) A01N 61/00 (2006.01) B05D 5/00 (2006.01) B05D 7/00 (2006.01) C09D 5/00 (2006.01) C09D 5/20 (2006.01) C11D 3/39 (2006.01) C11D 3/43 (2006.01) C11D 3/48 (2006.01) C11D 7/50 (2006.01) C11D 17/00 (2006.01) E04F 15/00 (2006.01) B05D 1/32 (2006.01) B05D 3/06 (2006.01) C11D 3/20 (2006.01)

Patent

CA 2407676

A coated substrate comprises a strippable intermediate coating atop the substrate and a strip agent-permeable waterborne overcoat adhered to the intermediate coating, wherein the dried overcoat is less trippable and more wear-resistant than the dried intermediate coating. When the overcoat eventually becomes worn and must be renewed, a strip agent (e.g., chemical strip agent) can be applied to the overcoat. The strip agent penetrates the overcoat and attacks the intermediate coating, thereby enabling removal of the intermediate coating and overcoat without aggressive removal techniques such as sanding.

L'invention concerne un substrat doté d'un revêtement comportant un revêtement intermédiaire pelable au-dessus du substrat et une couche de finition à l'eau perméable à un agent de pelage adhérant au revêtement intermédiaire, dans lequel la couche de finition séchée est moins pelable et plus résistante à l'usure que le revêtement intermédiaire séché. Lorsque la couche de finition devient finalement usée et doit être changée, un agent de pelage (agent de pelage chimique, par exemple) peut être appliqué à la couche de finition. L'agent de pelage pénètre la couche de finition et attaque le revêtement intermédiaire, permettant ainsi de retirer ce revêtement intermédiaire et également la couche de finition sans utiliser de techniques de retrait agressives telles que le ponçage.

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