Rust preventive for magnesium and/or magnesium alloy

Details Rust preventive for magnesium and/or magnesium alloy Rust preventive for magnesium and/or magnesium alloy

C - Chemistry, Metallurgy

23

F

C23F 11/00 (2006.01)

Patent

CA 2544823

A rust preventive for magnesium and/or magnesium alloys which contains as an active ingredient at least one member selected from the group consisting of compounds represented by the formulae (1) and (2) and salts of these; and a process for producing a part made of magnesium or a magnesium alloy, which comprises using the rust preventive. (1) (2) (In the formulae, R1 represents hydrogen or C1-4 alkyl; R2 represents hydrogen, C1-4 alkyl, mercapto, or hydroxy; R3 represents hydrogen, C1-4 alkyl, or hydroxy; A represents -N= or - C(R4)=; and R4 represents hydrogen or amino.)

L'invention concerne un antirouille pour magnésium et/ou alliage de magnésium, qui renferme comme principe actif au moins un élément du groupe des composés de formule (1) et (2), y compris leurs sels. L'invention concerne également un procédé de production de pièce en magnésium ou en alliage de magnésium, comprenant l'antirouille en question. Dans les formules considérées, R?1¿ est hydrogène ou alkyle C¿1-4?, R?2¿ est hydrogène, alkyle C¿1-4?, mercapto, ou hydroxy. R?3¿ est hydrogène, alkyle C¿1-4?, ou hydroxy. A est -N= ou C(R?4¿)=, et R?4¿ est hydrogène ou amino.

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