Chemical conversion coating agent and surface-treated metal

Details Chemical conversion coating agent and surface-treated metal Chemical conversion coating agent and surface-treated metal

C - Chemistry, Metallurgy

23

C

C23C 22/66 (2006.01) C23C 8/00 (2006.01) C23C 22/34 (2006.01) C23C 22/62 (2006.01) C23C 22/80 (2006.01)

Patent

CA 2454199

It is an object of the present invention to provide a chemical conversion coating agent which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc and aluminum, and a surface-treated metal obtained using the same. A chemical conversion coating agent comprising: at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and a water-soluble resin, wherein said water-soluble resin has, in at least a part thereof, a constituent unit expressed by the chemical formula (1): (see formula 1) and/or the chemical formula (2): (see formula 2)

La présente invention vise à fournir un agent de revêtement par conversion chimique moins dommageable que d'autres pour l'environnement, qui permet de soumettre à un bon traitement de conversion chimique tous les métaux tels que le fer, le zinc et l'aluminium, ainsi qu'à fournir un métal dont la surface a été traitée à l'aide de cet agent. Agent de revêtement par conversion chimique comportant : au moins une espèce parmi les suivantes : zirconium, titane et hafnium; du fluor; une résine hydrosoluble, laquelle correspond, en tout ou en partie, à la formule chimique (1) : (voir la formule 1) et/ou à la formule (2) : (voir la formule 2).

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