Lubricant containing a molybdenum compound

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 133/04 (2006.01) C10M 137/10 (2006.01) C10M 139/00 (2006.01) C10M 159/12 (2006.01) C10M 159/18 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2321366

A lubricating composition containing an organic molybdenum compound having excellent oxidation stability that provides lubricity for long periods of time is provided. The lubricant comprises a molybdenum amine compound obtained by reacting a compound containing a hexavalent molybdenum atom with an amine represented by the following formula (1): (see formula 1) wherein R1 represents a hydrogen atom and/or a hydrocarbon group, and each of R2 and R3 is a chain hydrocarbon group having one or more carbon atoms; or the following formula (2) (see formula 2) wherein R4 represents a chain hydrocarbon group having 10 or more carbon atoms, s represents 0 or 1, X and/or Y represents a hydrogen atom, a hydrocarbon group having at least one carbon atom, an alkanol group having 2 to 4 carbon atoms or an alkyl amino group having at least one carbon atom, and X and Y are not hydrogen atoms or hydrocarbon groups at the same time that s is 0. A lubricating composition containing the lubricant is also provided.

Divulgation d'une composition lubrifiante contenant un composé organique du molybdène ayant une excellente stabilité à l'oxydation, qui fournit un pouvoir lubrifiant pendant de longues périodes. Le lubrifiant comprend un composé aminé du molybdène obtenu par réaction d'un composé contenant du molybdène hexavalent avec une amine ayant la formule suivante (1) (voir la formule 1), dans laquelle R1 est un atome d'hydrogène et/ou un groupe hydrocarboné, R2 et R3 sont chacun une chaîne hydrocarbonée comptant un ou plusieurs atomes de carbone, ou ayant la formule suivante (2) (voir la formule 2) dans laquelle R4 est une chaîne hydrocarbonée à 10 ou plus de 10 atomes de carbone, s est égal à 0 ou de 1, X et/ou Y est un atome d'hydrogène, un groupe hydrocarboné, un groupe alcanol ayant de 2 à 4 atomes de carbone ou un groupe alkylamino, X et Y n'étant pas des atomes d'hydrogène ni des groupes hydrocarbonés en même temps que s est égala à 0. Une composition lubrifiante contenant ce lubrifiant est aussi divulguée.

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