Use in a cold drawing lubricant, of a cobalt and/or nickel...

Details Use in a cold drawing lubricant, of a cobalt and/or nickel... Use in a cold drawing lubricant, of a cobalt and/or nickel...

C - Chemistry, Metallurgy

10

M

C10M 173/02 (2006.01) B21C 9/02 (2006.01) B60C 9/00 (2006.01)

Patent

CA 2294814

The invention concerns the use, in a cold drawing lubricating solution, as adhesive and lubricating agent, for a steel wire trimmed with brass and rubber, of an aqueous suspension comprising at least a cobalt and/or nickel salt compound of a saturated or unsaturated carboxylic acid (i), or a phosphate ester (ii), or a cobalt and/or nickel boroacylate (iii); and at least a non-ionic or anionic surfactant; the compound (i), (ii) and/or (iii)/surfactant weight ratio ranging between 0.5 and 10. The invention also concerns said suspension and preparation methods thereof. The invention further concerns a cold drawing lubricating solution comprising said suspension.

La présente invention a pour objet l'utilisation, dans une solution lubrifiante de tréfilage, en tant qu'agent d'adhérence, qu'agent de lubrification, d'un fil d'acier laitonné et de caoutchouc, d'une suspension aqueuse comprenant au moins un composé du type d'un sel de cobalt et/ou de nickel d'un acide carboxylique saturé ou non (i), ou d'un ester phosphate (ii), ou d'un boroacylate de cobalt et/ou de nickel (iii); et au moins un tensioactif non ionique ou anionique; le rapport pondéral du composé (i), (ii) et/ou (iii) au tensioactif étant compris entre 0,5 et 10. Elle a enfin pour objet ladite suspension ainsi que des procédés de préparation de cette dernière. La présente invention a de même pour objet une solution lubrifiante de tréfilage comprenant la suspension précitée.

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