Method of preventing corrosion of metals using silanes

Details Method of preventing corrosion of metals using silanes Method of preventing corrosion of metals using silanes

C - Chemistry, Metallurgy

23

C

C23C 22/56 (2006.01) B05D 7/00 (2006.01) B05D 7/14 (2006.01) B05D 7/16 (2006.01) C09D 4/00 (2006.01) C23C 22/50 (2006.01) C23C 22/68 (2006.01)

Patent

CA 2273249

A method of preventing corrosion of metals using silanes. The method comprises applying a first treatment solution directly onto the surface of the metal, wherein the first treatment solution contains at least one multi-functional silane having at least two trisubstituted silyl groups, and wherein the substituents are individually chosen from the group consisting of alkoxy and acetoxy. An optional second treatment solution containing an organofunctional silane may also be employed, particularly if the metal is to be painted.

Procédé servant à empêcher la corrosion de métaux au moyen de silanes. Ce procédé consiste à appliquer une première solution de traitement directement sur la surface du métal, ladite première solution de traitement contenant au moins un silane multifonctionnel possédant au moins deux groupes silyle trisubstitués et les substituants étant choisis individuellement dans le groupe constitué par alkoxy et acétoxy. On peut également utiliser une deuxième solution de traitement éventuelle contenant un silane organofonctionnel, en particulier, si le métal doit être peint.

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