Dispersant combination for improved transmission fluids

Details Dispersant combination for improved transmission fluids Dispersant combination for improved transmission fluids

C - Chemistry, Metallurgy

10

M

C10M 161/00 (2006.01)

Patent

CA 2676290

A lubricant composition of an oil, a dispersant viscosity modifier of a poly(meth)acrylate copolymer having a nitrogen-containing monomer in an amount to provide at least about 0.4 percent by weight nitrogen to the copolymer, and a succinimide dispersant prepared in the substantial absence of chlorine gives good performance as a transmission fluid.

L'invention concerne une composition lubrifiante d'une huile, d'un dispersant - modificateur de viscosité d'un copolymère de poly(méth)acrylate ayant un monomère contenant de l'azote en une quantité appropriée pour fournir au moins environ 0,4 pour cent en poids d'azote par rapport au copolymère et un dispersant de succinimide préparé en l'absence substantielle de chlore, qui donne de bonnes performances en tant que fluide de transmission.

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