Method for working or forming metals in the presence of...

Details Method for working or forming metals in the presence of... Method for working or forming metals in the presence of...

C - Chemistry, Metallurgy

10

M

C10M 135/10 (2006.01) C10M 173/00 (2006.01) C10M 173/02 (2006.01)

Patent

CA 2466716

The invention concerns a method for working or forming metals which consists in using an aqueous lubricant containing as water-soluble extreme pressure additive, methanesulphonic acid or a water-soluble methanesulphonic acid salt. The water-soluble methanesulphonic acid salt is an alkali or alkaline-earth, ammonium, alkanolamine or ethoxylated fatty amine salt. The inventive aqueous lubricants have good extreme pressure properties and good properties with respect to corrosion.

Dans le procédé de travail ou de mise en forme des métaux selon l'invention, on utilise un lubrifiant aqueux contenant comme additif extrême pression hydrosoluble, l'acide méthanesulfonique (AMS) ou un sel hydrosoluble d'AMS. Le sel hydrosoluble d'AMS est un sel alcalin ou alcalino-terreux, d'ammonium, d'alcanolamine ou d'amine grasse éthoxylée. Les lubrifiants aqueux selon l'invention possèdent de bonnes propriétés extrême pression et de bonnes propriétés vis à vis de la corrosion.

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