Process for coating metallic surfaces with an activating...

Details Process for coating metallic surfaces with an activating... Process for coating metallic surfaces with an activating...

C - Chemistry, Metallurgy

23

C

C23C 22/80 (2006.01)

Patent

CA 2746090

The invention relates to a method for phosphating metal surfaces in which the metal surfaces are treated with an aqueous phosphate and titanium-based colloidal activating agent prior to phosphating, wherein the activating agent comprises at least one water-soluble silicon compound having at least one organic group. The invention also relates to a corresponding activating agent.

L'invention concerne un procédé de phosphatation de surfaces métalliques, les surfaces métalliques étant traitées avant la phosphatation au moyen d'un moyen activateur aqueux colloïdal à base de phosphate et de titane, le moyen activateur contenant au moins un composé de silicium soluble dans l'eau comprenant au moins un groupe organique. L'invention concerne en outre des moyens activateurs correspondants.

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