Friction modifier comprising metal phenate and lubricating...

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 129/10 (2006.01) C10M 129/91 (2006.01) C10M 135/30 (2006.01) C10M 159/22 (2006.01)

Patent

CA 2235446

The present invention is directed to novel chain-hydrocarbon- group-substituted metal phenates having friction reducing ability and various lubricating oil compositions containing the novel chain-hydrocarbon-group- substituted metal phenates. A friction modifier comprising a chain-hydrocarbon-group-substituted metal phenate substituted by at least one chain hydrocarbon group, wherein the chain hydrocarbon group has an alkyl chain linearity of 20% or higher as determined by a carbon nuclear magnetic resonance measurement (13C-NMR measurement); and a lubricating oil composition containing the metal phenate are disclosed.

La présente invention porte sur de nouveaux phénates métalliques avec substitution par des chaînes hydrocarbonées, permettant de réduire le frottement, ainsi que sur diverses compositions d'huile lubrifiante renfermant les nouveaux phénates métalliques avec substitution par des chaînes hydrocarbonées. Agent modifiant le frottement, renfermant un phénate métallique avec substitution par des chaînes hydrocarbonées, et plus précisément par au moins une chaîne hydrocarbonée, constituée à 20 % ou plus par un alkyle linéaire, comme l'ont révélé des mesures de résonnance magnétique nucléaire au carbone 13 (analyse RMN-C13); l'invention porte aussi sur une composition d'huile lubrifiante, renfermant le phénate métallique.

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