Lubricating oil composition

Details Lubricating oil composition Lubricating oil composition

C - Chemistry, Metallurgy

10

M

C10M 141/08 (2006.01) C10M 129/76 (2006.01) C10M 135/18 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2650639

A lubricating composition is provided that has good elastomer compatibility and friction-reduced properties which comprises a base oil having a viscosity index (VI) greater than about 80, a kinematic viscosity (Kv) of 100 °C of from about 2 mm2/s, containing 90 wt% or more saturates, having less than about 5 ppm sulfur, and wherein the base oil is derived from a waxy feed; and a minor amount of (a) a polyol ester of an aliphatic carboxylic acid having 12 to 24 carbon atoms and (b) an oil soluble or oil dispersible molybdenum compound.

Composition lubrifiante possédant une bonne compatibilité avec les élastomères et de bonnes propriétés de réduction de frottement, qui comprend une huile de base d'un indice de viscosité (VI) supérieur à 80, d'une viscosité cinématique (Kv) à 1000°C d'environ 2 mm2/s, contentant 90% en poids d'insaturés, avec une teneur en soufre de moins de 5 ppm environ, l'huile de base étant tirée d'une charge cireuse; et une quantité minime (a) d'un ester de polyol d'acide carboxylique aliphatique comptant de 12 à 24 atomes de carbone et (b) d'une huile soluble ou d'un composé de molybdène dispersible dans l'huile.

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