EP3423551A1 - Composition lubrifiante à base d'amines neutralisées et de molybdène - Google Patents
Composition lubrifiante à base d'amines neutralisées et de molybdèneInfo
- Publication number
- EP3423551A1 EP3423551A1 EP17708269.0A EP17708269A EP3423551A1 EP 3423551 A1 EP3423551 A1 EP 3423551A1 EP 17708269 A EP17708269 A EP 17708269A EP 3423551 A1 EP3423551 A1 EP 3423551A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carbon atoms
- linear
- totally
- branched
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/12—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/066—Organic compounds derived from inorganic acids or metal salts derived from Mo or W
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/12—Groups 6 or 16
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/36—Seal compatibility, e.g. with rubber
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
Definitions
- Lubricating composition based on neutralized amines and molybdenum
- the invention relates to the field of lubricating compositions, especially lubricating compositions for transmission or for motor and especially for engines of motor vehicles.
- Lubricating compositions have the particular objective of limiting these phenomena of friction in the engines of vehicles, including motor vehicle engines.
- carbon coating in engines, especially motor vehicles is expanding. There is therefore an interest in being able to propose lubricating compositions making it possible to reduce friction phenomena for both the steel / steel contacts, the carbon / carbon coating and the steel / carbon coating.
- friction modifiers may be incorporated into the lubricating compositions.
- these amines can have a detrimental effect on the joints, in particular the joints of the mechanical parts, and in particular the polymeric joints, especially fluorinated ones. Indeed, these amines can be at the origin of an accelerated degradation of the mechanical properties of the joints.
- organomolybdenum compounds to reduce the phenomena of friction, more particularly in the contacts between two steel surfaces.
- organomolybdenum compounds in particular organomolybdenum compounds comprising a dithiocarbamate group, may cause worsening of the wear phenomena of mechanical parts.
- organomolybdenum compounds present in a lubricant can degrade or even peel off a carbon coating present on a surface and that this degradation can be accentuated with the increase in the content of organomolybdenum compounds in the lubricant.
- lubricating compositions which, while reducing the phenomena of friction, particularly in the presence of surfaces having a carbon coating, have a moderate impact on other engine components, and especially on the joints. Furthermore, one of the objectives of the lubricant compositions is also to improve the engine performance and therefore to allow fuel savings.
- An object of the present invention is therefore to provide a lubricant composition for reducing friction phenomena, especially in the presence of surfaces having a carbon coating and having a limited impact on the degradation of seals including engine seals, including engines vehicle, for example a motor vehicle.
- Another object of the present invention is to provide such a composition to reduce friction phenomena for both steel / steel contacts, carbon / carbon coating and steel / carbon coating.
- Another object of the present invention is to provide such a composition also to reduce fuel consumption.
- the present invention provides a lubricant composition comprising:
- R is a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 2 to 24 carbon atoms, preferably from 4 to 24, more preferably from 14 to 24, in particular from 16 to 24, for example from 18 to 24; carbon atoms;
- X represents a hydrogen atom, a linear or branched, totally or partially saturated hydrocarbon-based group comprising from 1 to 24 carbon atoms, preferably from 1 to 10 carbon atoms, especially from 1 to 8 carbon atoms, and benzyl group, or a group of formula -R 1 - [NH-R 2 ] n -NH 2 ;
- Y represents a hydrogen atom, a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 1 to 24 carbon atoms, preferably from 1 to 10 carbon atoms, especially from 1 to 8 carbon atoms, a benzyl group, or a group of formula -R 1 - [NH-R 2 ] n -NH 2 ;
- n represents an integer of 0 to 3, preferably 0 to 2, preferably 0 or 1;
- R 1 and R 2 which are identical or different, represent a linear or branched alkyl group comprising from 2 to 4 carbon atoms, preferably from 2 to 3 carbon atoms, preferably CH 2 CH 2 or CH 2 CH 2 CH 2 ;
- At least one of X or Y represents a hydrogen atom or -R 1 - [NH-R 2 ] n -NH 2 ;
- X, Y or R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 4 to 24 carbon atoms, preferably from 14 to 24 carbon atoms, in particular from 16 to 24 atoms carbon, for example from 18 to 24 carbon atoms;
- the acid neutralizing the amine is chosen from monoacids of formula (II)
- R ' represents a linear or branched hydrocarbon group, totally or partially saturated, comprising from 2 to 24.
- the inventors have pointed out that the combination of the totally or partially neutralized amine salt according to the invention and of an organomolybdenum compound makes it possible to limit the friction phenomena for both the steel / steel contacts and the carbon / carbon coating. carbon and steel / carbon coating and having little impact or limited impact on joint degradation. Furthermore, the inventors have also demonstrated that the amine salts partially or totally neutralized according to the invention had a better compatibility with the joints, in particular the joints of the engines, in particular motor vehicle engines, than the corresponding amines. not neutralized.
- the seals are the seals used in engine design, generally polymer seals, in particular preferably fluorinated elastomer seals.
- a lubricating composition comprising at least one partially or totally neutralized amine salt according to the invention makes it possible to limit the wear of engine seals, in particular motor vehicle engines, unlike non-neutralized amines.
- the amine, intended to be neutralized, which is used in the composition of the invention, is preferably an amine corresponding to the following formula (Ia):
- R, X, R 1 , R 2 and n have the definitions given above, and
- At least one of X or R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 4 to 24 carbon atoms, preferably from 14 to 24 carbon atoms, especially from 16 to 24 carbon atoms, for example from 18 to 24 carbon atoms.
- R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 14 to 24, in particular from 16 to 24, for example from 18 to 24 carbon atoms;
- X represents a hydrogen atom, a linear or branched alkyl group comprising from 2 to 8 carbon atoms, a benzyl group, or a group of formula -R 1 - [NH-R 2 ] n -NH 2 .
- R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 14 to 24, in particular from 16 to 24, for example from 18 to 24 carbon atoms;
- X represents a hydrogen atom or a group of formula -R 1 - [NH-R 2 ] n -NH 2 .
- R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 14 to 24, in particular from 16 to 24, for example from 18 to 24 carbon atoms;
- Y is -R 1 - [NH-R 2 ] n -NH 2 ;
- n 0;
- R 1 represents CH 2 CH 2 CH 2 ;
- X represents CH 2 CH 2 CH 2 NH 2 or H.
- R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 14 to 24, in particular from 16 to 24, for example from 18 to 24 carbon atoms;
- n 0;
- R 1 represents CH 2 CH 2 CH 2 ;
- X represents CH 2 CH 2 CH 2 NH 2 or H.
- the amine is chosen from the following amines:
- RNHCH 2 CH 2 CH 2 CNH 2 with R represents a hydrocarbon group, linear or totally or partially saturated, comprising from 16 to 18 carbon atoms; or N (R) (CH 2 CH 2 CH 2 NH 2 ) (CH 2 CH 2 CH 2 NH 2 ) with R represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 16 to 18 carbon atoms.
- the acid which makes it possible to neutralize the amine of formula (I) or (la) defined above in the form of a salt, is preferably chosen from the acids of formula (II) ) in which R 'represents a hydrocarbon group, linear or branched, totally or partially saturated, comprising from 7 to 24 carbon atoms, preferably from 10 to 24, for example from 14 to 20, in particular from 16 to 20 carbon atoms .
- the acid which makes it possible to neutralize the amine of formula (I) or (Ia) is oleic acid.
- the amine used in the composition of the invention is totally or partially neutralized.
- the molar ratio between the number of moles of nitrogen atom in the amine and the number of moles of acid functional group of formula (II) is between 9: 1 and 1: 1, preferably between 5: 1 and 1: 1.
- organomolybdenum compound according to the invention is meant any organomolybdenum compound soluble in an oil, especially in a base oil.
- the organomolybdenum compound according to the present invention may be chosen from organic complexes of molybdenum such as carboxylates, esters, molybdenum amides, obtainable by reaction of molybdenum oxide or ammonium molybdates with fatty substances. glycerides, fatty acids or fatty acid derivatives (esters, amines, amides, etc.).
- the organomolybdenum compound of the invention is chosen from sulfur and phosphorus-free molybdenum complexes, with amide ligands, mainly prepared by reaction of a molybdenum source, which may be, for example, trioxide of molybdenum, and an amine derivative, and of fatty acids comprising, for example, from 4 to 28 carbon atoms, preferably from 8 to 18 carbon atoms, such as for example the fatty acids contained in vegetable or animal oils .
- a molybdenum source which may be, for example, trioxide of molybdenum, and an amine derivative
- fatty acids comprising, for example, from 4 to 28 carbon atoms, preferably from 8 to 18 carbon atoms, such as for example the fatty acids contained in vegetable or animal oils .
- the synthesis of such compounds is for example described in US4889647, EP0546357, US5412130, EP1770153.
- the organomolybdenum compound is chosen from organic complexes of molybdenum obtained by reaction:
- X 1 represents an oxygen atom or a nitrogen atom
- X 2 represents an oxygen atom or a nitrogen atom
- n and m represent 1 when X 1 or X 2 represent an oxygen atom
- n and m represent 2 when X 1 or X 2 represent a nitrogen atom
- molybdenum source selected from molybdenum trioxide or molybdates, preferably ammonium molybdate, in an amount sufficient to provide 0.1 to 30% molybdenum based on the total weight of complex.
- the organic molybdenum complex may comprise from 2 to 8.5% by weight of molybdenum with respect to the weight of complex.
- the organic molybdenum complex consists of at least one of the compounds of formula (III) or (IV), alone or as a mixture:
- X 1 represents an oxygen atom or a nitrogen atom
- X 2 represents an oxygen atom or a nitrogen atom
- n 1 when X 1 represents an oxygen atom and m represents 1 when represents an oxygen atom; n represents 2 when X 1 represents a nitrogen atom and m represents 2 when X 2 represents a nitrogen atom;
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms;
- X 1 represents an oxygen atom or a nitrogen atom
- X 2 represents an oxygen atom or a nitrogen atom
- n 2 when X 1 represents a nitrogen atom and m represents 2 when X 2 represents a nitrogen atom;
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms;
- R 2 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms.
- the organic molybdenum complex is prepared by reaction:
- molybdenum source selected from molybdenum trioxide or molybdates, preferably ammonium molybdate, in an amount sufficient to provide 0.1 to 20.0% molybdenum based on the weight of complex.
- the organic molybdenum complex consists of at least one compound of formula (III-a) or (III-b), alone or as a mixture:
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms,
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms.
- the organomolybdenum compound may be selected from molybdenum dithiophosphates or molybdenum dithiocarbamates.
- the organomolybdenum compound is chosen from molybdenum dithiocarbamates.
- Mo-DTC compounds are complexes formed of a metal ring bound to one or more ligands, the ligand being a dithiocarbamate group of alkyls. These compounds are well known to those skilled in the art.
- the Mo-DTC compound may comprise from 1 to 40%, preferably from 2 to 30%, more preferably from 3 to 28%, advantageously from 4 to 15% by weight of molybdenum, relative to the total mass of Mo-DTC compound.
- the Mo-DTC compound may comprise from 1 to 40%, preferably from 2 to 30%, more preferably from 3 to 28%, advantageously from 4 to 15% by weight of sulfur, relative to the total mass of Mo-DTC compound.
- the Mo-DTC compound may be chosen from those whose nucleus has two molybdenum atoms (also called dimeric Mo-DTC) and those whose nucleus has three molybdenum atoms (also called Trimeric Mo-DTP).
- the trimeric Mo-DTC compounds have the formula Mo 3 S k L n wherein:
- k represents an integer at least equal to 4, preferably ranging from 4 to 10, advantageously from 4 to 7,
- n is an integer ranging from 1 to 4, and
- L being an alkyl dithiocarbamate group comprising from 1 to 100 carbon atoms, preferably from 1 to 40 carbon atoms, preferably from 3 to 20 carbon atoms.
- trimeric Mo-DTC compounds include the compounds and methods for their preparation as described in WO 98/26030 and US 2003/022954.
- the Mo-DTC compound is a dimeric Mo-DTC compound.
- dimeric Mo-DTC compounds mention may be made of the compounds and their methods of preparation as described in the documents EP 0757093, EP15 0719851, EP 0743354 or EP 1013749.
- the dimeric Mo-DTC compounds generally correspond to the compounds of formula (V):
- R 3 , Pt 4, R 5 and R 6 which may be identical or different, independently represent a hydrocarbon group chosen from alkyl, alkenyl, aryl, cycloalkyl or cycloalkenyl groups,
- 3, 4, 5 and X 6 which may be identical or different, independently represent an oxygen atom or a sulfur atom.
- Alkyl group in the sense of the invention means a hydrocarbon group, linear or branched, saturated or unsaturated, comprising from 1 to 24 carbon atoms.
- the alkyl group is selected from the group consisting of methyl, ethyl, propyl, isopropyl, n-butyl, iso-butyl, tert-butyl, n-pentyl, iso-pentyl, neopentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, isotridecyl, tetradecyl, hexadecyl, stearyl, icosyl, docosyl, tetracosyl, triacontyl, 2-ethylhexyl, 2-butyloctyl, 2-butyldecyl, 2-hexyloc
- alkenyl group means a linear or branched hydrocarbon group comprising at least one double bond and comprising from 2 to 24 carbon atoms.
- the alkenyl group may be chosen from vinyl, allyl, propenyl, butenyl, isobutenyl, pentenyl, isopentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tetradecenyl and oleic.
- Aryl group within the meaning of the present invention means a polycyclic aromatic hydrocarbon or an aromatic group, substituted or not with an alkyl group.
- the aryl group may comprise from 6 to 24 carbon atoms.
- the aryl group may be selected from the group consisting of phenyl, toluyl, xylyl, cumenyl, mesityl, benzyl, phenethyl, styryl, cinnamyl, benzhydryl, trityl, ethylphenyl, propylphenyl, butylphenyl, pentylphenyl, hexylphenyl, heptylphenyl, octylphenyl, nonylphenyl, decylphenyl, undecylphenyl, dodecylphenyl, phenylphenyl, benzylphenyl, phenylstyrene, p-cumylphenyl and the like. naphthyl.
- the cycloalkyl groups and the cycloalkenyl groups may be chosen, in a non-limiting manner, from the group consisting of cyclopentyl, cyclohexyl, cycloheptyl, methylcyclopentyl, methylcyclohexyl, methylcycloheptyl, cyclopentenyl, cyclohexenyl, cycloheptenyl, methylcyclopentenyl, methylcyclohexenyl.
- Cycloalkyl groups and cycloalkenyl groups may comprise from 3 to 24 carbon atoms.
- R 3 , R 4 , R 5 and R 6 which may be identical or different, independently represent an alkyl group comprising from 4 to 18 carbon atoms or an alkenyl group comprising from 2 to 24 atoms. of carbon.
- X 3 , X 4 , X 5 and X 6 may be identical and may represent a sulfur atom. In another embodiment of the invention, X 3 , X 4 , X 5 and X 6 may be the same and may be an oxygen atom.
- X 3 and X 4 may represent a sulfur atom and X 5 and X 6 may represent an oxygen atom.
- X 3 and X 4 may represent an oxygen atom and X 5 and X 6 may represent a sulfur atom.
- the ratio in number of sulfur atoms relative to the number of oxygen atoms (S / O) of the compound Mo-DTC may vary from (1/3) to (3/1).
- the Mo-DTC compound of formula (V) may be chosen from a symmetrical Mo-DTC compound, an asymmetric Mo-DTC compound and their combination.
- symmetric Mo-DTC compound By symmetric Mo-DTC compound according to the invention is meant a Mo-DTC compound of formula (V) in which the groups R 3 , R 4 , R 5 and R 6 are identical.
- asymmetric Mo-DTC compound according to the invention is meant a Mo-DTC compound of formula (V) in which the groups R 3 and R 4 are identical, the groups R 5 and R 6 are identical and the groups R 3 and R 4 are different from the groups R 5 and R 6 .
- the Mo-DTC compound is a mixture of at least one symmetrical Mo-DTC compound and at least one asymmetric Mo-DTC compound.
- R 3 and R 4 which are identical, represent an alkyl group comprising from 5 to 15 carbon atoms and R 5 and R 6 , which are identical and different from R 3 and R 4 , represent a grouping. alkyl comprising from 5 to 15 carbon atoms.
- R 3 and R 4 which are identical, represent an alkyl group comprising from 6 to 10 carbon atoms and R 5 and R 6 represent an alkyl group comprising from 10 to 15 carbon atoms.
- R 3 and R 4 which are identical, represent an alkyl group comprising from 10 to 15 carbon atoms and R 5 and R 6 represent an alkyl group comprising from 6 to 10 carbon atoms. .
- R 3 , R 4 , R 5 and R 6 which are identical, represent an alkyl group comprising from 5 to 15 carbon atoms, preferably from 8 to 13 carbon atoms.
- the compound Mo-DTC is chosen from compounds of formula (V) in which:
- X 3 and X 4 represent an oxygen atom
- X 5 and X 6 represent a sulfur atom
- R 3 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms
- R 4 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms
- R 5 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms
- R 6 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms.
- the compound Mo-DTC is chosen from compounds of formula (Va)
- the compound Mo-DTC is a mixture:
- the lubricating composition of the invention comprises from 0.05 to 5%, preferably from 0.1 to 2%, by weight of the amine salt partially or totally neutralized with respect to the total weight of the composition.
- the lubricating composition of the invention comprises from 0.01 to 3%, preferably from 0.05 to 3%, for example from 0.1 to 2%, by weight of organomolybdenum compound relative to the total weight of the composition.
- the lubricating composition according to the invention may comprise any type of mineral lubricating base oil, synthetic or natural, animal or vegetable, known to those skilled in the art.
- the base oils used in the lubricant compositions according to the invention may be oils of mineral or synthetic origins belonging to groups I to V according to the classes defined in the API classification (or their equivalents according to the ATIEL classification) (Table A) or their mixtures.
- the mineral base oils according to the invention include all types of base oils obtained by atmospheric and vacuum distillation of crude oil, followed by refining operations such as solvent extraction, desalphating, solvent dewaxing, hydrotreatment, hydrocracking. , hydroisomerization and hydrofinition.
- lubricating bases to make the lubricating compositions according to the invention, except that they must have properties, in particular viscosity, viscosity index, sulfur content. , oxidation resistance, suitable for use for engines or for vehicle transmissions.
- the base oils of the lubricating compositions according to the invention may also be chosen from synthetic oils, such as certain carboxylic acid esters and alcohols, and from polyalphaolefins.
- the polyalphaolefins used as base oils are, for example, obtained from monomers comprising from 4 to 32 carbon atoms, for example from octene or decene, and whose viscosity at 100 ° C. is between 1, 5 and 15 mm 2 . s "1 according to the ASTM D445 standard. Their average molecular weight is generally between 250 and 3000 according to the ASTM D5296 standard.
- the base oils of the present invention are selected from the above base oils which the aromatic content is between 0 and 45%, preferably between 0 and 30%
- the aromatic content of the oils is measured according to the Burdett UV method
- the aromaticity of the oil The choice of an oil low in aromatics allows an optimum at a higher temperature.
- the lubricant composition according to the invention comprises at least 50% by weight of base oils relative to the total mass of the composition.
- the lubricating composition according to the invention comprises at least 60% by weight, or even at least 70% by weight, of base oils relative to the total mass of the composition.
- the lubricant composition according to the invention comprises from 60 to 99.5% by weight of base oils, preferably from 70 to 99.5% by weight of base oils, relative to total mass of the composition.
- the preferred additives for the lubricating composition according to the invention are chosen from detergent additives, antiwear additives, friction modifying additives other than organomolybdenum compounds, extreme pressure additives, dispersants and pour point improvers. antifoam agents, thickeners and mixtures thereof.
- the lubricating composition according to the invention comprises at least one antiwear additive, at least one extreme pressure additive or their mixtures.
- Anti-wear additives and extreme pressure additives protect friction surfaces by forming a protective film adsorbed on these surfaces.
- the anti-wear additives are chosen from phosphosulfur additives such as metal alkylthiophosphates, in particular zinc alkylthiophosphates, and more specifically zinc dialkyldithiophosphates or ZnDTPs.
- the preferred compounds have the formula Zn ((SP (S) (OR 1 ) (OR 2 )) 2 , in which R 1 and R 2 , which may be identical or different, independently represent an alkyl group, preferably an alkyl group containing from 1 to 18 carbon atoms.
- Amine phosphates are also anti-wear additives which can be used in the lubricating composition according to the invention.
- the phosphorus provided by these additives can act as a poison of the catalytic systems of automobiles because these additives are ash generators.
- these effects can be minimized by partially substituting amine phosphates with non-phosphorus additives, such as, for example, polysulfides, especially sulfur-containing olefins.
- the lubricant composition according to the invention may comprise from 0.01 to 6% by weight, preferably from 0.05 to 4% by weight, more preferably from 0.1 to 2% by weight relative to the mass. total lubricating composition, anti-wear additives and extreme pressure additives.
- the lubricant composition according to the invention may comprise at least one additional friction modifier additive different from the organomolybdenum compounds.
- the additional friction modifier additive may be selected from a compound providing metal elements and an ash free compound.
- the compounds providing metal elements mention may be made of transition metal complexes such as Sb, Sn, Fe, Cu, Zn, the ligands of which may be hydrocarbon compounds comprising oxygen, nitrogen, sulfur or of phosphorus.
- the ashless friction modifier additives are generally of organic origin and may be selected from monoesters of fatty acids and polyols, fatty epoxides, borate fatty epoxides; or glycerol esters of fatty acid.
- the fatty compounds comprise at least one hydrocarbon group comprising from 10 to 24 carbon atoms.
- the lubricating composition according to the invention may comprise from 0.01 to 2% by weight or from 0.01 to 5% by weight, preferably from 0.1 to 1.5% by weight. mass or 0.1 to 2% by weight relative to the total mass of the lubricant composition, friction modifier additive.
- the lubricant composition according to the invention may comprise at least one antioxidant additive.
- the antioxidant additive generally serves to retard the degradation of the lubricating composition in service. This degradation can notably result in the formation of deposits, the presence of sludge or an increase in the viscosity of the lubricant composition.
- Antioxidant additives act in particular as radical inhibitors or destroyers of hydroperoxides.
- antioxidant additives commonly used, mention may be made of antioxidant additives of phenolic type, antioxidant additives of amine type, antioxidant phosphosulfur additives. Some of these antioxidant additives, for example phosphosulfur antioxidant additives, can be ash generators. Phenolic antioxidant additives may be ash-free or may be in the form of neutral or basic metal salts.
- the antioxidant additives may especially be chosen from sterically hindered phenols, sterically hindered phenol esters and sterically hindered phenols comprising a thioether bridge, diphenylamines, diphenylamines substituted with at least one C 1 -C 12 alkyl group, ⁇ , ⁇ '-dialkyl-aryl diamines and mixtures thereof.
- the sterically hindered phenols are chosen from compounds comprising a phenol group in which at least one vicinal carbon of the carbon carrying the alcohol function is substituted by at least one alkyl group in the form of d-C 10 , preferably a grouping.
- Amino compounds are another class of antioxidant additives that can be used, optionally in combination with phenolic antioxidant additives.
- amine compounds are aromatic amines, for example aromatic amines of formula NR 3 R 4 R 5 in which R 3 represents an optionally substituted aliphatic or aromatic group, R 4 represents an optionally substituted aromatic group, R 5 represents a hydrogen atom, an alkyl group, an aryl group or a group of formula R 6 S (O) z R 7 in which R 6 represents an alkylene group or an alkenylene group, R 7 represents an alkyl group, a alkenyl group or an aryl group and z represents 0, 1 or 2.
- Sulfurized alkyl phenols or their alkali and alkaline earth metal salts can also be used as antioxidant additives.
- Another class of antioxidant additives is copper compounds, for example copper thio- or dithio-phosphates, copper and carboxylic acid salts, dithiocarbamates, sulphonates, phenates, copper acetylacetonates. Copper salts I and II, succinic acid or anhydride salts can also be used.
- the lubricant composition according to the invention may contain all types of antioxidant additives known to those skilled in the art.
- the lubricating composition comprises at least one ash-free antioxidant additive.
- the lubricating composition according to the invention comprises from 0.5 to 2% by weight relative to the total weight of the composition, of at least one antioxidant additive.
- the lubricant composition according to the invention may also comprise at least one detergent additive.
- the detergent additives generally make it possible to reduce the formation of deposits on the surface of the metal parts by dissolving the secondary oxidation and combustion products.
- the detergent additives that can be used in the lubricant composition according to the invention are generally known to those skilled in the art.
- the detergent additives may be anionic compounds comprising a long lipophilic hydrocarbon chain and a hydrophilic head.
- the associated cation may be a metal cation of an alkali metal or alkaline earth metal.
- the detergent additives are preferably chosen from the alkali metal or alkaline earth metal salts of carboxylic acids, the sulphonates, the salicylates, the naphthenates and the phenate salts.
- the alkali and alkaline earth metals are preferably calcium, magnesium, sodium or barium.
- metal salts generally comprise the metal in stoichiometric amount or in excess, therefore in an amount greater than the stoichiometric amount. It is then overbased detergent additives; the excess metal bringing the overbased character to the detergent additive is then generally in the form of an oil insoluble metal salt, for example a carbonate, a hydroxide, an oxalate, an acetate, a glutamate, preferably a carbonate .
- an oil insoluble metal salt for example a carbonate, a hydroxide, an oxalate, an acetate, a glutamate, preferably a carbonate .
- the lubricant composition according to the invention may comprise from 2 to 4% by weight of detergent additive relative to the total mass of the lubricating composition. Also advantageously, the lubricant composition according to the invention may also comprise at least one pour point depressant additive.
- pour point depressant additives By slowing the formation of paraffin crystals, pour point depressant additives generally improve the cold behavior of the lubricant composition according to the invention.
- pour point depressant additives mention may be made of alkyl polymethacrylates, polyacrylates, polyarylamides, polyalkylphenols, polyalkylnaphthalenes and alkylated polystyrenes.
- the lubricant composition according to the invention may also comprise at least one dispersing agent.
- the dispersing agent may be chosen from Mannich bases, succinimides and their derivatives.
- the lubricating composition according to the invention may comprise from 0.2 to 10% by weight of dispersing agent relative to the total mass of the lubricating composition.
- the lubricating composition of the present invention may also comprise at least one additional viscosity index improving polymer.
- additional viscosity index improving polymers there may be mentioned polymeric esters, homopolymers or copolymers, hydrogenated or non-hydrogenated, styrene, butadiene and isoprene, polymethacrylates (PMA).
- the present invention also relates to the use of a lubricant composition according to the invention for the lubrication of mechanical parts, especially in transmissions and / or motor vehicles, preferably motor vehicles.
- composition according to the invention is used in particular to reduce the friction between two surfaces, in particular between two steel surfaces, between two surfaces covered with carbon or between a steel surface and a surface covered with carbon, in particular in a vehicle engine, preferentially of a motor vehicle.
- the present invention relates to the use of a lubricant composition according to the invention for the lubrication of mechanical parts, especially in transmissions and / or vehicle engines, preferably motor vehicle engines, in which the least one of the rooms is covered with carbon.
- a lubricant composition according to the invention for the lubrication of mechanical parts, especially in transmissions and / or vehicle engines, preferably motor vehicle engines, in which the least one of the rooms is covered with carbon.
- one of the parts is covered with carbon and the other (s) are steel or carbon.
- the composition according to the invention is used to reduce friction, in particular in a vehicle engine, preferably motor vehicle, between two surfaces of which at least one is covered with carbon, preferably one of the surfaces is covered with carbon and the other is steel or both surfaces are covered with carbon.
- a vehicle engine preferably motor vehicle
- carbon coating or “carbon-coated” any coating comprising carbon.
- Carbon coating includes diamond coatings and more particularly nanodiamond coatings. These coatings can in particular be in the form of at least one nanocrystalline diamond layer having a purity ranging from 70 to 99%.
- the carbon coatings are chosen from nanodiamond coatings in the form of at least one nanocrystalline diamond layer having a purity ranging from 70 to 99%, preferably ranging from 70 to 97%, advantageously from 75% and a thickness ranging from from 0.1 to 3 ⁇ , preferably ranging from 0.5 to 2 ⁇ , advantageously from 1.5 ⁇ .
- These carbon coatings may also be chosen from DLC (Diamond Like Carbon) type coatings. Any type of DLC coating can be used.
- the DLCs comprise a set of families of amorphous materials essentially containing carbon. Among these families, the hydrogenated DLCs, in particular the ⁇ -C: Hs, and the non-hydrogenated DLCs, in particular a-C or ta-C, are used.
- DLCs have properties that vary depending on their content of sp3 hybridized carbons and their hydrogen content. Some DLC variants may be doped with metal elements, such as iron, chromium or tungsten.
- DLC coatings are generally less mechanically and thermally resistant because they are amorphous materials. On the other hand, they are generally less rough and above all can be deposited at low temperature on most substrates.
- the DLCs are hydrogenated DLCs, especially aC: H containing from 10 to 40% hydrogen.
- the use of the lubricant composition according to the invention makes it possible not to aggravate or even reduce the wear between two surfaces, in particular between two steel surfaces, between two surfaces covered with carbon or between a steel surface and a steel surface. surface covered with carbon, especially in a vehicle engine, preferably a motor vehicle.
- the present invention also relates to the use of the lubricant composition according to the invention for reducing the fuel consumption of vehicles, especially motor vehicles.
- the inventors have also demonstrated that the amine salts partially or totally neutralized according to the invention have a better compatibility with the joints, in particular the joints of the engines, in particular motor vehicle engines, than the amines. corresponding non-neutralized.
- the seals are the seals used in the engine design, generally polymer seals, in particular elastomer seals, preferably fluorinated seals.
- the composition of the invention makes it possible to limit the wear of engine seals, in particular motor vehicle engines, with respect to non-neutralized amines.
- the present invention also relates to the use of the composition according to the invention to, in addition, reduce the deterioration of seals contained in a vehicle engine, preferably automobile.
- the present invention also relates to a method for lubricating mechanical parts, especially in transmissions and / or engines of vehicles, especially motor vehicles, comprising at least one step of contacting at least one piece with a lubricating composition according to the invention. 'invention.
- at least one of the parts is covered with carbon, the other part (s) being steel or covered with carbon.
- the present invention also relates to a method for reducing friction between two surfaces of a vehicle engine, in particular a motor vehicle, comprising at least one step of contacting at least one of the surfaces with a lubricant composition according to the invention.
- the surfaces are as defined above.
- the method relates to the reduction of friction between two steel surfaces, two surfaces covered with carbon or a steel surface and a surface covered with carbon.
- the invention relates to a method for reducing the friction between two surfaces of a vehicle engine, in particular a motor vehicle, at least one of the surfaces being covered with carbon, comprising at least one contacting step of at least one of the surfaces with a lubricating composition according to the invention.
- one of the surfaces is covered with carbon and the other is made of steel or both surfaces are covered with carbon.
- the method according to the invention makes it possible not to aggravate or reduce wear between two surfaces, in particular between two steel surfaces, between two surfaces covered with carbon or between a steel surface and a surface covered with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- the method according to the invention makes it possible not to aggravate or reduce wear between two surfaces, at least one of which is covered with carbon.
- the invention also relates to a method for reducing the fuel consumption of a vehicle, preferably of a motor vehicle, comprising at least one step of contacting a mechanical part of the vehicle engine with a lubricating composition as defined above.
- the engines according to the invention may be internal combustion engines with two or four strokes.
- the engines may be gasoline engines or diesel engines intended to be powered by gasoline or conventional diesel.
- the term "conventional gasoline” or “conventional diesel” means engines which are powered by a fuel obtained after refining an oil of mineral origin (such as oil for example).
- the engines may also be gasoline engines or diesel engines modified to be powered by a fuel based on oils derived from renewable materials such as alcohol-based fuels or biodiesel fuel.
- the vehicles according to the invention may be light vehicles such as automobiles and motorcycles. Vehicles can also be heavy trucks, construction machinery, ships.
- Transmissions according to the invention may be transmissions used in light vehicles such as automobiles, including gearboxes.
- the transmissions according to the invention may also be transmissions used in heavy goods vehicles, construction machinery, especially gearboxes or bridges.
- Transmissions according to the invention may also be transmissions used in industrial machines, including gearboxes or boxes for wind turbines.
- the invention also relates to the use of a combination of a totally or partially neutralized amine salt, as defined above, and of at least one organomolybdenum compound, in a lubricating composition comprising at least one base oil for reducing friction between two surfaces, in particular between two steel surfaces, between a steel surface and a surface covered with carbon or between two surfaces covered with carbon, in an engine, in particular a vehicle engine, in particular a motor vehicle .
- the invention also relates to the use of a combination of a totally or partially neutralized amine salt, as defined above, and of at least one organomolybdenum compound, in a lubricating composition comprising at least one base oil for reducing friction between two surfaces, at least one of which is covered with carbon, in an engine, in particular a vehicle engine, especially a motor vehicle.
- a lubricating composition comprising at least one base oil for reducing friction between two surfaces, at least one of which is covered with carbon, in an engine, in particular a vehicle engine, especially a motor vehicle.
- one of the surfaces is carbon and the other steel or both surfaces are carbon.
- the above use also makes it possible not to aggravate or even reduce the wear between two steel surfaces, between a steel surface and a surface covered with carbon, or between two surfaces covered with carbon, in particular in a motor. vehicle, preferably a motor vehicle.
- the above use also makes it possible not to aggravate or reduce wear between two surfaces, at least one of which is covered with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- a vehicle engine preferably a motor vehicle.
- one of the surfaces is covered with carbon and the other is made of steel or both surfaces are covered with carbon.
- a reference lubricant composition 1 is prepared according to Table 1 below (the composition is given by weight (g)).
- Amine 1 neutralized fatty diamine (Duomeen TDO® sold by the company Akzo Nobel)
- Amine 2 non-neutralized fatty diamine (Duomeen T® sold by the company Akzo Nobel)
- molybdenum dithiocarbamate (Sakuralube 525® sold by the company Adeka)
- composition 1 comprising a combination of a neutralized amine and an organomolybdenum compound have a better compatibility with the gaskets used in the engines, in particular with the fluorinated elastomer seals compared to lubricating compositions comprising a combination of an unneutralized amine and an organomolybdenum compound (comparative composition 1).
- a reference lubricant composition 2 is prepared according to Table 4 below (the composition is given by weight (g)).
- additives dispersant, phenate detergents, carboxylate and calcium sulfonate
- Amine 2 non-neutralized fatty diamine (Duomeen T® sold by the company Akzo Nobel)
- Amine 3 neutralized fatty triamine (Armolube 312® marketed by Akzo Nobel)
- Amine 4 non-neutralized fatty triamine (Triameen YT® sold by the company Akzo Nobel)
- molybdenum dithiocarbamate (Sakuralube 525® sold by the company Adeka)
- Lubricating compositions according to the invention and comparative are prepared in accordance with Table 5 below (the compositions are given by weight (g)).
- Table 5 A first test is used to evaluate the friction properties of a lubricating composition.
- a second test for evaluating the friction properties of a lubricating composition is also used, which makes it possible to characterize the friction of the engine at operating points representative of the points scanned during a NEDC (New European Cycle) certification cycle. of Driving or New European Driving Cycle in English).
- NEDC New European Cycle
- the engine of the test is a RENAULT brand H4BT engine corresponding to a 3-cylinder multi-point indirect injection petrol engine meeting the EURO 5 standards.
- the unlit heat engine is driven by an electric generator at the desired speed.
- the fluids (coolant and lubricant) are conditioned in temperature since the combustion does not take place in this type of tests.
- a measurement of the torque provided by the electric generator to drive the heat engine is performed at each operating point. Comparing the drive torque of the motor with different lubricants can identify those with the best properties in friction.
- Composition 2 3 CS o PS CS LO PS CD PS
- compositions 2 and 3 comprising a combination of a neutralized amine and an organomolybdenum compound have at least equivalent or even improved friction reduction properties, in particular on DLC contacts. steel, with respect to lubricating compositions comprising a combination of an unneutralized amine and an organomolybdenum compound (comparative compositions 3 and 4).
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1651804A FR3048433B1 (fr) | 2016-03-03 | 2016-03-03 | Composition lubrifiante a base d'amines neutralisees et de molybdene |
PCT/EP2017/055006 WO2017149119A1 (fr) | 2016-03-03 | 2017-03-03 | Composition lubrifiante à base d'amines neutralisées et de molybdène |
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EP3423551A1 true EP3423551A1 (fr) | 2019-01-09 |
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Application Number | Title | Priority Date | Filing Date |
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EP17708269.0A Withdrawn EP3423551A1 (fr) | 2016-03-03 | 2017-03-03 | Composition lubrifiante à base d'amines neutralisées et de molybdène |
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Country | Link |
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EP (1) | EP3423551A1 (fr) |
JP (1) | JP6889175B2 (fr) |
KR (1) | KR102329180B1 (fr) |
CN (1) | CN108699474B (fr) |
BR (1) | BR112018016701A2 (fr) |
FR (1) | FR3048433B1 (fr) |
WO (1) | WO2017149119A1 (fr) |
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DE102017123614A1 (de) * | 2017-10-11 | 2019-04-11 | Volkswagen Aktiengesellschaft | Schmierstoffzusammensetzung, Verwendung zur Schmierung eines Getriebes sowie Getriebe |
US20190270946A1 (en) * | 2018-03-02 | 2019-09-05 | Chevron Oronite Technology B.V. | Lubricating oil composition providing wear protection at low viscosity |
WO2020007945A1 (fr) * | 2018-07-05 | 2020-01-09 | Shell Internationale Research Maatschappij B.V. | Composition lubrifiante |
KR102113797B1 (ko) * | 2018-12-10 | 2020-05-25 | 박용우 | 세정 및 윤활 복합 조성물 |
EP3907268A1 (fr) * | 2020-05-04 | 2021-11-10 | Total Marketing Services | Composition lubrifiante pour réduire l'usure et la déchirure sur des pièces dlc utilisées dans des moteurs à combustion interne |
CN115521817B (zh) * | 2022-10-18 | 2023-06-02 | 中国石油化工股份有限公司 | 一种润滑油抗磨添加剂及其制备方法和应用 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889647A (en) | 1985-11-14 | 1989-12-26 | R. T. Vanderbilt Company, Inc. | Organic molybdenum complexes |
US4995996A (en) * | 1989-12-14 | 1991-02-26 | Exxon Research And Engineering Company | Molybdenum sulfur antiwear and antioxidant lube additives |
US5137647A (en) | 1991-12-09 | 1992-08-11 | R. T. Vanderbilt Company, Inc. | Organic molybdenum complexes |
JPH07197068A (ja) | 1993-12-30 | 1995-08-01 | Tonen Corp | 潤滑油組成物 |
US5412130A (en) | 1994-06-08 | 1995-05-02 | R. T. Vanderbilt Company, Inc. | Method for preparation of organic molybdenum compounds |
JP3454593B2 (ja) | 1994-12-27 | 2003-10-06 | 旭電化工業株式会社 | 潤滑油組成物 |
JPH0931483A (ja) | 1995-07-20 | 1997-02-04 | Tonen Corp | 潤滑油組成物 |
EP0960178B1 (fr) | 1996-12-13 | 2001-10-24 | Infineum USA L.P. | Compositions d'huile lubrifiante contenant des complexes de molybdene organiques |
JP4201902B2 (ja) | 1998-12-24 | 2008-12-24 | 株式会社Adeka | 潤滑性組成物 |
US6756413B2 (en) | 2000-12-15 | 2004-06-29 | Japan U-Pica Company, Ltd. | O/W aqueous thermosetting resin dispersion, FRP precision filter medium made with the aqueous dispersion, and process for producing the same |
US6953771B2 (en) * | 2001-03-23 | 2005-10-11 | Infineon International Limited | Lubricant compositions |
JP3555891B2 (ja) * | 2002-02-22 | 2004-08-18 | 新日本石油株式会社 | 低摩擦摺動材料及びこれに用いる潤滑油組成物 |
JP2005069008A (ja) | 2003-08-22 | 2005-03-17 | Nissan Motor Co Ltd | 内燃機関のシリンダとピストンの組合せ |
US20090029888A1 (en) * | 2005-07-12 | 2009-01-29 | Ramanathan Ravichandran | Amine tungstates and lubricant compositions |
US7205423B1 (en) | 2005-09-23 | 2007-04-17 | R.T. Vanderbilt Company, Inc. | Process for the preparation of organo-molybdenum compounds |
DE102006029415B4 (de) * | 2006-06-27 | 2023-07-06 | Schaeffler Technologies AG & Co. KG | Verschleißfeste Beschichtung sowie Herstellverfahren hierfür |
JP2008115267A (ja) | 2006-11-02 | 2008-05-22 | Idemitsu Kosan Co Ltd | 低摩擦摺動部材及び潤滑油組成物 |
JP5079407B2 (ja) * | 2007-06-28 | 2012-11-21 | シェブロンジャパン株式会社 | 省燃費ディーゼルエンジン潤滑用潤滑油組成物 |
US20090163392A1 (en) * | 2007-12-20 | 2009-06-25 | Boffa Alexander B | Lubricating oil compositions comprising a molybdenum compound and a zinc dialkyldithiophosphate |
JP5225786B2 (ja) * | 2008-08-20 | 2013-07-03 | シェブロンジャパン株式会社 | 内燃機関潤滑用潤滑油組成物 |
CN101402895B (zh) * | 2008-09-12 | 2011-11-16 | 大连海事大学 | 一种具有超润滑减摩作用的润滑油添加剂 |
FR3014898B1 (fr) * | 2013-12-17 | 2016-01-29 | Total Marketing Services | Composition lubrifiante a base de triamines grasses |
CN105255555B (zh) * | 2015-08-21 | 2018-09-21 | 深圳清华大学研究院 | 一种耐磨、生态环保的润滑油及其制备方法 |
-
2016
- 2016-03-03 FR FR1651804A patent/FR3048433B1/fr not_active Expired - Fee Related
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2017
- 2017-03-03 WO PCT/EP2017/055006 patent/WO2017149119A1/fr active Application Filing
- 2017-03-03 BR BR112018016701-0A patent/BR112018016701A2/pt not_active IP Right Cessation
- 2017-03-03 JP JP2018545592A patent/JP6889175B2/ja active Active
- 2017-03-03 KR KR1020187024969A patent/KR102329180B1/ko active IP Right Grant
- 2017-03-03 EP EP17708269.0A patent/EP3423551A1/fr not_active Withdrawn
- 2017-03-03 CN CN201780012826.1A patent/CN108699474B/zh active Active
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JP2019507230A (ja) | 2019-03-14 |
CN108699474A (zh) | 2018-10-23 |
WO2017149119A1 (fr) | 2017-09-08 |
FR3048433B1 (fr) | 2020-03-13 |
JP6889175B2 (ja) | 2021-06-18 |
KR102329180B1 (ko) | 2021-11-19 |
BR112018016701A2 (pt) | 2018-12-26 |
FR3048433A1 (fr) | 2017-09-08 |
KR20180122337A (ko) | 2018-11-12 |
CN108699474B (zh) | 2021-05-11 |
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