Metal surface treatment agent

C - Chemistry – Metallurgy – 23 – F

Patent

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Details

C23F 11/18 (2006.01) C23C 22/34 (2006.01) C23C 22/40 (2006.01) C23C 22/44 (2006.01)

Patent

CA 2408675

The present invention relates to a metal surface treatment agent that characteristically contains (A) at least 1 vanadium compound and (B) at least one metal compound containing at least 1 metal selected from the group consisting of zirconium, titanium, molybdenum, tungsten, manganese, and cerium. The present invention also relates to a metal surface treatment method using the foregoing treatment agent and the corresponding surface-treated metals. The present invention provides a metal surface treatment agent that does not contain chromium and that can be used to impart an excellent corrosion resistance and alkali resistance to metals. The present invention provides a metal surface treatment method that uses the foregoing treatment agent and also provides the corresponding surface-treated metals.

L'invention concerne un agent de traitement de surface métallique contenant (A) au moins un composé de vanadium et (B) au moins un composé de métal contenant au moins un métal sélectionné dans le groupe constitué par zirconium, titane, molybdène, tungstène, manganèse et sérium. Elle concerne également un procédé de traitement de surface métallique mettant en application cet agent de traitement ainsi que les métaux correspondants traités en surface. Elle concerne un agent de traitement de surface métallique ne contenant pas de chrome et pouvant être utilisé pour conférer à des métaux une excellente résistance à la corrosion et une résistance contre les produits alcalins. Elle concerne un procédé de traitement de surface métallique utilisant l'agent de traitement précité et concerne également des métaux correspondants traités en surface.

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