C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 133/12 (2006.01) B05D 1/32 (2006.01) B05D 7/16 (2006.01) B65D 33/04 (2006.01) C08J 7/04 (2006.01) C08L 33/02 (2006.01) C08L 33/08 (2006.01) C09D 5/00 (2006.01) C09D 133/02 (2006.01) C09D 133/04 (2006.01) C09D 133/08 (2006.01)
Patent
CA 2475436
The present invention provides a method of temporarily protecting a surface which includes the steps of applying a continuous coating of a masking material to said surface, which masking material comprises, before drying, an aqueous solution or emulsion consisting essentially of a filmforming, carboxylic acid-containing polymer; coating all or a portion of said surface with a coating compound, said masking material preventing said coating compound from contacting said surface; and, thereafter, removing said masking material from said surface. Preferably said carboxylic acid-containing polymer is an acrylic or methacrylic acid-containing copolymer and is the sole filmforming component of the aqueous solution or emulsion.
La présente invention a trait à un procédé de protection temporaire d'une surface comportant les étapes suivantes : l'application d'une couche continue de matériau de masquage à la dite surface, lequel matériau de masquage comporte, avant séchage, une solution aqueuse ou une émulsion constituée essentiellement d'un polymère filmogène contenant de l'acide carboxylique ; le revêtement complet ou partiel de ladite surface avec un composé de revêtement, ledit matériau de masquage empêchant ledit composé de revêtement d'entrer en contact avec ladite surface, et, ensuite, l'élimination dudit matériau de masquage de ladite surface. De préférence, ledit polymère contenant de l'acide carboxylique est un copolymère contenant de l'acide acrylique ou méthacrylique et constitue le seul constituant filmogène de la solution aqueuse ou de l'émulsion.
Baf Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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