摘要:
The invention provides a lubricating composition containing an oil of lubricating viscosity and a dispersant treated with cobalt reagent. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of a dispersant treated with cobalt to reduce deposits on the inner surfaces of engine components.
摘要:
The invention is directed to an oil soluble additive composition prepared by a process comprising reacting a molybdenum component; an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine component wherein the hydrocarbyl dicarboxylic acid component is the reaction product of a dicarboxylic acid component and a hydrocarbyl component; and a post-treating agent, thereby producing a post-treated molybdated succinimide additive composition.
摘要:
Disclosed is a process for preparing a molybdated succinimide complex, the process comprising: (a) reacting an alkyl or alkenyl mono- or bis-succinimide of a polyamine of formula I or formula II or mixtures thereof: Formula (I), Formula (II) with an a,ß-unsaturated mono-carboxylic acid or carboxylic acid ester, and wherein the reaction temperature is in the range of from greater than 80°C to no greater than about 150°C; and (b) reacting the succinimide product of step (a) with an acidic molybdenum compound to provide the molybdated succinimide complex, wherein the molybdated succinimide complex is a liquid at room temperature.
摘要:
Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected from the group consisting of (i) an anion of a saturated carboxylic acid, (ii) an anion of an α-, β- or γ-hydroxycarbonyl compound; (iii) an anion of an α-, β- or γ-hydroxycarboxylic acid, amide, or ester; (iv) an anion of an α-, β- or γ-aminocarboxylic acid; and (v) an anion of an α-, β- or γ-keto acid.
摘要:
A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; and (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected from the group consisting of (i) an anion of an a-, ß- or ?-hydroxycarbonyl compound; (ii) an anion of an a-, ß- or ?-hydroxycarboxylic acid, amide or ester; (iii) an anion of an a-, ß- or ?-aminocarboxylic acid; and (iv) an anion of an a-, ß- or ?-keto acid.
摘要:
L A molybdated suednimide complex prepared by a process which comprises (a) reacting an alky! or alkeny! succLmrnide of a polyamine of formula (I) wherein R is an about C12 to C30 alkyl or alkenyl group, a and b are independently 2 or 3, and x is 0 to 10, with an eihylenicaUy unsaturated carboxylic acid or anhydride thereof; and (b) reacting the suceinim?de product of step (a) with an acidic molybdenum compound. 2, The molybdated succu?mide complex of Claim 1, wherein R is about C12 to about C24 alky! or alkenyl group, a and b are each 2, and x is 2 to 5. 3, The molybdaied succinimide complex according to Claims I or 2, wherein the etbyienicaily unsaturated carboxylic acid or anhydride is an athy?enicaily unsaturated monocarboxyiic acid or anhydride thereof, 4, The molybdated sueeimmide complex according to Claims 1 or 2, wherein the ethylemcally unsaturated carboxylic acid or anhydride is an ethylepicaliy unsaturated dicarboxylic acid or anhydride thereof
摘要:
A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting a succinimide of a polyamine of formula (I) wherein R is a hydrocarbon radical having a number average molecular weight of about 500 to about 5,000, a and b are independently 2 or 3, and x is 0 to 10, with an ethylenically unsaturated carboxylic acid or anhydride thereof, in a charge mole ratio of the ethylenically unsaturated carboxylic acid or anhydride thereof to the succinimide of formula (I) of about 0.9:1 to about 1.05:1; and (b) reacting the succinimide product of step (a) with an acidic molybdenum compound. Also disclosed is a lubricating oil composition containing at least (a) a major amount of a base oil of lubricating viscosity and (b) a minor amount of the molybdated succinimide complex.
摘要:
L A molybdated suednimide complex prepared by a process which comprises (a) reacting an alky! or alkeny! succLmrnide of a polyamine of formula (I) wherein R is an about C 12 to C 30 alkyl or alkenyl group, a and b are independently 2 or 3, and x is 0 to 10, with an eihylenicaUy unsaturated carboxylic acid or anhydride thereof; and (b) reacting the suceinimϊde product of step (a) with an acidic molybdenum compound. 2, The molybdated succuήmide complex of Claim 1, wherein R is about C 12 to about C 24 alky! or alkenyl group, a and b are each 2, and x is 2 to 5. 3, The molybdaied succinimide complex according to Claims I or 2, wherein the etbyienicaily unsaturated carboxylic acid or anhydride is an athyϊenicaily unsaturated monocarboxyiic acid or anhydride thereof, 4, The molybdated sueeimmide complex according to Claims 1 or 2, wherein the ethylemcally unsaturated carboxylic acid or anhydride is an ethyleπicaliy unsaturated dicarboxylic acid or anhydride thereof
摘要:
Novel molybdenum compounds are prepared by reacting a hindered amine with a molybdenum source, in the presence of one of (a) water, (b) a diol and water, and (c) the reaction product of a fatty oil and a multifunctional amine, and water. Lubricant compositions containing these new compounds are more stabilized against oxidation and have improved friction reducing properties. Synergy is observed when the novel compounds are combined with a diaryl amine in a lubricant composition.
摘要:
The present invention provides dicyclopentadienyl molybdenum crosslinked complexes which can be represented by general formula (1) below, the use thereof as friction-modifiers and lubricating compositions which contain these compounds. General Formula (1) In this formula X is the element oxygen or the element sulphur, Y is the element oxygen or Y is absent, and R 1 to R 10 are groups selected individually from the group comprising hydrogen, the methyl group and the ethyl group.