Method for passivating metallic surfaces by using itaconic...

C - Chemistry – Metallurgy – 23 – C

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Details

C23C 22/53 (2006.01) C09D 5/08 (2006.01) C23C 22/56 (2006.01) C23F 11/173 (2006.01)

Patent

CA 2575008

The invention relates to a method for passivating metallic surfaces by treating the surface with an acidic, aqueous solution which comprises at least one homopolymer or copolymer of itaconic acid. The invention also relates to passivation layers and metallic surfaces that can be obtained by the inventive method.

Procédé de passivation de surfaces métalliques par traitement desdites surfaces avec une préparation aqueuse acide qui contient au moins un homopolymère ou copolymère d'acide itaconique. La présente invention concerne également des couches de passivation et des surfaces métalliques qui peuvent être obtenues à l'aide dudit procédé.

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