Extreme pressure additive combination, and lubricants...

Details Extreme pressure additive combination, and lubricants... Extreme pressure additive combination, and lubricants...

C - Chemistry, Metallurgy

10

M

C10M 161/00 (2006.01) C10M 137/10 (2006.01) C10M 143/06 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2214354

The load-bearing and/or extreme pressure ("EP") performance of a lubricating composition is enhanced by the inclusion of the combination of a metal- containing EP additive and a high molecular weight hydrocarbon polymer. The metal-containing EP additive may be an organo-Mo compound, and the hydrocarbon polymer may be a polyisobutene, preferably of molecular weight of about one million.

Les performances en capacité de charge et/ou sous des pressions extrêmes ("PE"), d'une composition lubrifiante, sont améliorées par l'addition de la combinaison d'un aditif PE contenant un métal et d'un polymère d'hydrocarbure ayant un poids moléculaire élevé. L'additif PE contenant un métal peut être un composé organique de molybdène et le polymère d'hydrocarbure peut être un polyisobutène dont le poids moléculaire est, de préférence, d'environ un million.

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