Lubricating oil composition

Details Lubricating oil composition Lubricating oil composition

C - Chemistry, Metallurgy

10

M

C10M 125/26 (2006.01)

Patent

CA 2738503

A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, and (b) an oil-soluble tetra-functional hydrolyzable silane compound of the general formula Si-X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy- containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or a dialkyl amino- containing group, and further wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate.

L'invention concerne une composition d'huile de graissage contenant : (a) une quantité majeure d'une huile de viscosité lubrifiante; et (b) un composé de silane hydrolysable tétra-fonctionnel soluble dans l'huile de formule générale Si-X4, ou un produit d'hydrolyse de celui-ci, dans laquelle chaque X représente indépendamment un groupe contenant un hydroxyle, un groupe contenant un hydrocarbyloxy, un groupe contenant un acyloxy, un groupe contenant un amino, un groupe contenant un monoalkyl-amino ou un groupe contenant un dialkyl-amino. En outre, la composition d'huile de graissage selon l'invention est exempte de dialkyldithiophosphate de zinc.

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