C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/00 (2006.01) B05D 7/14 (2006.01) C09D 5/08 (2006.01) C23C 22/26 (2006.01) C23C 22/68 (2006.01)
Patent
CA 2727685
The present invention relates to a method for coating a static or moving metal substrate, having a simple or complex form, by means of an ultra-fine mineral/ organic hybrid coating layer, having a thickness of 50 to 500 nm, deposited on the substrate: - from an aqueous solution containing oxide nanoparticles, - under basic pH conditions, - said substrate being at a temperature lower than 500°C, - the total duration of the deposition and drying being less than 10 seconds, characterized in that the aqueous solution also contains at least one prepolymer.
La présente invention se rapporte à un procédé pour revêtir un substrat métallique de forme simple ou complexe statique ou en mouvement, au moyen d'une couche de revêtement hybride minéral/organique ultrafin d'épaisseur comprise entre 50 à 500 nm, déposé sur le substrat : - à partir d'une solution aqueuse comprenant des nanoparticules d'oxyde, - dans des conditions de pH basique, - ledit substrat étant à une température inférieure à 500°C, - la durée totale de dépôt et de séchage étant inférieure à 10 secondes, caractérisé en ce que la solution aqueuse comprend en outre au moins un pré-polymère.
Centre de Recherches Metallurgiques Asbl-Centrum Voor Research I
Gowling Lafleur Henderson Llp
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