CA2398075A1 - Lubrificant composition comprising a dispersant, a trinuclear molybdenum compound and a different other antioxidant - Google Patents

Lubrificant composition comprising a dispersant, a trinuclear molybdenum compound and a different other antioxidant Download PDF

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CA2398075A1
CA2398075A1 CA002398075A CA2398075A CA2398075A1 CA 2398075 A1 CA2398075 A1 CA 2398075A1 CA 002398075 A CA002398075 A CA 002398075A CA 2398075 A CA2398075 A CA 2398075A CA 2398075 A1 CA2398075 A1 CA 2398075A1
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compound
composition
composition according
antioxidant
aminic
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CA002398075A
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CA2398075C (en
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Jason Gao
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ExxonMobil Technology and Engineering Co
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    • 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
    • C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
    • C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
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    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/68—Esters
    • C10M129/76—Esters containing free hydroxy or carboxyl groups
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/20—Thiols; Sulfides; Polysulfides
    • C10M135/22—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M135/26—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
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    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
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    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
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    • C10M2227/09—Complexes with metals
    • 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
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • 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
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/04—Detergent property or dispersant property
    • 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
    • C10N2030/04—Detergent property or dispersant property
    • C10N2030/041—Soot induced viscosity control
    • 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
    • C10N2030/40—Low content or no content compositions
    • C10N2030/41—Chlorine free or low chlorine content compositions
    • 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
    • C10N2040/252—Diesel engines
    • 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
    • C10N2040/252—Diesel engines
    • C10N2040/253—Small diesel engines
    • 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

This invention relates to a diesel engine lubricant composition comprising a base stock, a dispersant and an antioxidant comprising an oil soluble trinuclear organomolybdenum compound of the generic formula (I): Mo3Sx-(Q), wherein x is from 4 to 10 and Q is a core group, which may be a ligand, and at least one other compound selected from a phenolic and an aminic compound. The composition is capable of controlling the viscosity of the lubricant in the presence of soot and to retain the dispersancy of the dispersant. The compositions of the present invention minimise wear in engines and undesirable emission from exhaust caused by incomplete combustion from vehicles which use diesel engines and lubricants therefor. The combination of antioxidants perform better at controlling soot induced viscosity increase than the individual compounds.

Claims (11)

1. A diesel engine lubricant composition comprising a base stock, a dispersant and an antioxidant comprising an oil soluble trinuclear organomolybdenum compound of the generic formula:
Mo3Sx-(Q) (I) wherein x is from 4 to 10 and Q is a core is a core group, which may be a ligand, and at least one other compound selected from a phenolic and an aminic compound..
2. A composition according to Claim 1 wherein said composition comprises a major amount of a natural or synthetic lubricating oil having a kinematic viscosity of 3.5 to 25 cSt at 100°C.
3. A composition according to any one of the preceding Claims wherein the trinuclear molybdenum compounds are of formula (I) Mo3Sx-(Q) (I) wherein x is 7 and Q is a core group.
4. A composition according to any one of the preceding Claims wherein the core group Q is a ligand capable of rendering the organomolybdenum compound of formula (I) oil soluble and ensuring that said molybdenum compound is substantially charge neutral.
5. A composition according to any one of the preceding Claims wherein the phenolic compound is a hindered phenol.
6. A composition according to any one of the preceding Claims wherein the aminic compound is selected from one or more of diaryl amines, aryl naphthyl amines and alkyl derivatives of diaryl amines and the aryl naphthyl amines of the formulae (VII) or (VIII) below wherein each of R4 and R5 is a hydrogen atom or represents the same or different alkyl groups from 1-8 carbon atoms.

7. A composition according to any one of the preceding Claims wherein the antioxidant which comprises the trinuclear organomolybdenum compound and at least one other compound selected from a phenolic and/or an aminic compound form a minor component of the total lubricant composition.
8. A composition according to any one of the preceding Claims wherein the antioxidant which comprises the trinuclear organomolybdenum compound and an aminic compound form a minor component of the total lubricant composition.
9. A composition according to any one of the preceding Claims wherein the trinuclear organomolybdenum compound is present in said composition in an amount of about 0.05 to about 5.00 wt % of the total composition.
10. A composition according to any one of the preceding Claims wherein the amount of phenolic and/or aminic compounds present in said composition is about 0.10 to about 3.0 wt % of the total composition.
11. A method of controlling the soot induced viscosity of diesel engine lubricant compositions diesel engine lubricant compositions comprising a base stock and a dispersant with an effective amount of an antioxidant characterised in that the antioxidant comprises an oil soluble trinuclear organomolybdenum compound of the generic formula:
Mo3S X-(Q) (I) wherein x is from 4 to 10, preferably 7, and Q is a core group, which may be a ligand, and at least one other compound selected from a phenolic and an aminic compound.
CA2398075A 2000-02-14 2001-02-08 Lubrificant composition comprising a dispersant, a trinuclear molybdenum compound and a different other antioxidant Expired - Fee Related CA2398075C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0003381.1 2000-02-14
GB0003381A GB2359090A (en) 2000-02-14 2000-02-14 Lubricating oil compostions
PCT/US2001/009732 WO2001060957A1 (en) 2000-02-14 2001-02-08 Lubricant composition comprising a dispersant, a trinuclear molybdenum compound and a different other antioxidant

Publications (2)

Publication Number Publication Date
CA2398075A1 true CA2398075A1 (en) 2001-08-23
CA2398075C CA2398075C (en) 2011-01-25

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CA2398075A Expired - Fee Related CA2398075C (en) 2000-02-14 2001-02-08 Lubrificant composition comprising a dispersant, a trinuclear molybdenum compound and a different other antioxidant

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EP (1) EP1265976B1 (en)
JP (1) JP2003523455A (en)
AR (1) AR027521A1 (en)
AU (2) AU4782101A (en)
BR (1) BR0108331A (en)
CA (1) CA2398075C (en)
DE (1) DE60107218T2 (en)
GB (1) GB2359090A (en)
WO (1) WO2001060957A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1323816A1 (en) * 2001-12-21 2003-07-02 Infineum International Limited Heavy duty diesel engine lubricating oil compositions
EP1321507A1 (en) * 2001-12-21 2003-06-25 Infineum International Limited Heavy duty diesel engine lubricating oil compositions
US8383563B2 (en) 2007-08-10 2013-02-26 Exxonmobil Research And Engineering Company Method for enhancing the oxidation and nitration resistance of natural gas engine oil compositions and such compositions
CN114644951A (en) * 2021-03-25 2022-06-21 上海济唐润滑材料科技有限公司 Automobile engine lubricating oil and application thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6010987A (en) * 1996-12-13 2000-01-04 Exxon Research And Engineering Co. Enhancement of frictional retention properties in a lubricating composition containing a molybdenum sulfide additive in low concentration
WO1998026030A1 (en) * 1996-12-13 1998-06-18 Exxon Research And Engineering Company Lubricating oil compositions containing organic molybdenum complexes
US5837657A (en) * 1997-12-02 1998-11-17 Fang; Howard L. Method for reducing viscosity increase in sooted diesel oils
US5906968A (en) * 1997-12-12 1999-05-25 Exxon Research & Engineering Company Method of synthesizing Mo3 Sx containing compounds
DE69824886T2 (en) * 1997-12-12 2005-06-30 Infineum Usa L.P. METHOD FOR THE PRODUCTION OF 3-DIFFERENT MOLYBDENUM SULFUR COMPOUNDS AND THEIR USE AS LUBRICATING ADDITIVES
US6143701A (en) * 1998-03-13 2000-11-07 Exxon Chemical Patents Inc. Lubricating oil having improved fuel economy retention properties
US5895779A (en) * 1998-03-31 1999-04-20 Exxon Chemical Patents Inc Lubricating oil having improved fuel economy retention properties
GB9813070D0 (en) * 1998-06-17 1998-08-19 Exxon Chemical Patents Inc Lubricant compositions

Also Published As

Publication number Publication date
AU4782101A (en) 2001-08-27
GB2359090A (en) 2001-08-15
AU2001247821B2 (en) 2005-02-17
GB0003381D0 (en) 2000-04-05
CA2398075C (en) 2011-01-25
AR027521A1 (en) 2003-04-02
EP1265976A1 (en) 2002-12-18
DE60107218D1 (en) 2004-12-23
BR0108331A (en) 2003-03-11
WO2001060957A1 (en) 2001-08-23
JP2003523455A (en) 2003-08-05
DE60107218T2 (en) 2006-02-09
EP1265976B1 (en) 2004-11-17

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