WO2017094383A1 - Composition d'huile lubrifiante pour moteur à combustion interne - Google Patents

Composition d'huile lubrifiante pour moteur à combustion interne Download PDF

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Publication number
WO2017094383A1
WO2017094383A1 PCT/JP2016/080979 JP2016080979W WO2017094383A1 WO 2017094383 A1 WO2017094383 A1 WO 2017094383A1 JP 2016080979 W JP2016080979 W JP 2016080979W WO 2017094383 A1 WO2017094383 A1 WO 2017094383A1
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Prior art keywords
lubricating oil
oil composition
mass
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ppm
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PCT/JP2016/080979
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English (en)
Japanese (ja)
Inventor
林　誠
吉田　悟
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Ｊｘエネルギー株式会社
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Priority to US15/773,219 priority Critical patent/US20180320103A1/en
Priority to JP2017553699A priority patent/JP6736037B2/ja
Priority to CN201680069729.1A priority patent/CN108291169A/zh
Publication of WO2017094383A1 publication Critical patent/WO2017094383A1/fr

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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
    • 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
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
    • 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
    • C10M139/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
    • 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
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/16—Reaction products obtained by Mannich reactions
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
    • 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
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/027—Neutral salts thereof
    • 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
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • 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
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • 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
    • 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
    • C10M2215/08—Amides
    • 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
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • 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
    • C10M2215/28—Amides; Imides
    • 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
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/047—Thioderivatives not containing metallic elements
    • 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
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/04—Molecular weight; Molecular weight distribution
    • 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
    • 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
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • 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
    • C10N2030/52—Base number [TBN]
    • 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
    • C10N2030/54—Fuel economy
    • 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
    • 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

Definitions

  • the present invention relates to a lubricating oil composition for an internal combustion engine.
  • lubricating oil used for internal combustion engines such as automobile engines has been required to improve fuel efficiency in order to reduce CO 2 emissions from automobiles.
  • engine oil As a method for improving the fuel economy of engine oil, there is a reduction in the viscosity of the oil. However, if the viscosity is excessively reduced, the engine may be worn. Therefore, a method for improving fuel economy by adding a friction modifier has been studied instead.
  • Patent Document 1 discloses a diesel engine oil composition containing a predetermined mineral oil base oil and various additives such as a molybdenum dithiocarbamate friction modifier for the purpose of improving fuel efficiency by reducing friction. Yes.
  • An object of the present invention is to provide a lubricating oil composition for an internal combustion engine, which is excellent in fuel saving and corrosion resistance against copper and lead.
  • the present invention provides a lubricating oil composition for an internal combustion engine comprising a lubricating base oil, an ashless friction modifier, and a boron-containing dispersant.
  • the lubricating oil composition preferably further contains an overbased organic acid metal salt that is overbased with calcium borate.
  • Lubricating oil composition is suitably used as diesel engine oil.
  • a lubricating oil composition for an internal combustion engine which is excellent in fuel saving and corrosion resistance against copper and lead.
  • the lubricating oil composition according to this embodiment comprises a lubricating base oil, (A) an ashless friction modifier (hereinafter also referred to as “(A) component”), and (B) a boron-containing dispersant (hereinafter referred to as “(B ) Component ”)).
  • the lubricating oil composition according to this embodiment is suitable as a lubricating oil composition for internal combustion engines.
  • Lubricating oil base oil is not particularly limited, and may be a base oil used for ordinary lubricating oil.
  • the lubricant base oil includes a mineral base oil, a synthetic base oil, or a mixture of both.
  • mineral base oils lubricating oil fractions obtained by subjecting crude oil to atmospheric distillation and reduced pressure distillation are subjected to solvent deburring, solvent extraction, hydrocracking, solvent dewaxing, catalytic dewaxing, hydrorefining, sulfuric acid
  • mineral oil base oils include paraffinic and naphthenic mineral oil base oils, normal paraffins, isoparaffins, and the like, which are purified by combining purification treatments such as washing and clay treatment alone or in combination of two or more.
  • These mineral oil base oils may be used singly or in combination of two or more at any ratio.
  • Preferred mineral base oils include the following base oils.
  • Distilled oil obtained by atmospheric distillation of paraffin-based crude oil and / or mixed-base crude oil (2) Vacuum-distilled distilled oil (WVGO) of atmospheric distillation residue oil of paraffin-based crude oil and / or mixed-base crude oil ) (3) Wax obtained by lubricating oil dewaxing step and / or Fischer-Tropsch wax produced by GTL process or the like (4)
  • One or more mixed oils selected from the above (1) to (3) Mild hydrocracking oil (MHC) Mixed oil of two or more oils selected from the above (1) to (4) (6) Detachment of (1), (2), (3), (4) or (5) Oil (DAO) (7) Mild hydrocracking treatment oil (MHC) of (6) above (8)
  • a mixed oil of two or more kinds of oils selected from the above (1) to (7) is used as a raw oil, and this raw oil and / or a lubricating oil fraction recovered from this raw oil is usually used.
  • the normal refining method is not particularly limited, and a refining method used in base oil production can be arbitrarily employed.
  • Examples of normal purification methods include the following purification methods.
  • Hydrorefining such as hydrocracking, hydrofinishing, etc.
  • Solvent refining such as furfural solvent extraction
  • Dewaxing such as solvent dewaxing, catalytic dewaxing, etc.
  • Purification e
  • Chemical (acid or alkali) purification such as sulfuric acid washing and caustic soda washing
  • Synthetic base oils include poly ⁇ -olefins or hydrides thereof, isobutene oligomers or hydrides thereof, isoparaffins, alkylbenzenes, alkylnaphthalenes, diesters (ditridecylglutarate, di-2-ethylhexyl adipate, di-2-ethylhexyl azease).
  • polyol ester trimethylolpropane caprylate, trimethylolpropane pelargonate, pentaerythritol 2-ethylhexanoate, pentaerythritol pelargonate, etc.
  • examples thereof include polyoxyalkylene glycol, dialkyl diphenyl ether, polyphenyl ether and the like. Among them, poly ⁇ -olefin is preferable.
  • poly ⁇ -olefin examples include oligomers or co-oligomers (1-octene oligomers, decene oligomers, ethylene-propylene co-oligomers, etc.) of ⁇ -olefins having 2 to 32 carbon atoms, preferably 6 to 16 carbon atoms, and their A hydride is mentioned.
  • These synthetic base oils may be used individually by 1 type, and may be used combining 2 or more types by arbitrary ratios.
  • the kinematic viscosity at 40 ° C. of the lubricating base oil is preferably 13.0 mm 2 / s or more, more preferably from the viewpoint of sufficient oil film formation, excellent lubricity, and smaller evaporation loss under high temperature conditions. 15.0 mm 2 / s or more, further preferably 17.0 mm 2 / s or more.
  • the kinematic viscosity at 40 ° C. of the lubricating base oil is preferably 42.0 mm 2 / s or less, more preferably 40.0 mm 2 / s or less, from the viewpoint of improving low-temperature viscosity characteristics and further improving fuel economy. Preferably it is 38.0 mm ⁇ 2 > / s or less.
  • the kinematic viscosity at 100 ° C. of the lubricating base oil is preferably 2.0 mm 2 / s or more, more preferably from the viewpoint of sufficient oil film formation, excellent lubricity, and smaller evaporation loss under high temperature conditions. 3.0 mm 2 / s or more, further preferably 3.5 mm 2 / s or more.
  • the kinematic viscosity at 100 ° C. of the lubricating base oil is preferably 8.0 mm 2 / s or less, more preferably 7.0 mm 2 / s or less, and more preferably 7.0 mm 2 / s or less, from the viewpoint of improving low temperature viscosity characteristics and further improving fuel economy. Preferably it is 6.0 mm ⁇ 2 > / s or less.
  • the viscosity index of the lubricating base oil is preferably 100 or more, more preferably 110 or more, from the viewpoint of improving viscosity-temperature characteristics, thermal / oxidation stability, and volatilization prevention properties, and further reducing the friction coefficient. Preferably it is 120 or more.
  • the viscosity index of the lubricating base oil is preferably 180 or less, more preferably 170 or less, and still more preferably 160 or less, from the viewpoint of excellent low-temperature viscosity characteristics.
  • the kinematic viscosity and the viscosity index in the present invention mean the kinematic viscosity and the viscosity index measured according to JIS K2283: 2000, respectively.
  • the content of the lubricating base oil may be, for example, 50% by mass or more, 70% by mass or more, or 90% by mass or more based on the total amount of the lubricating oil composition.
  • Examples of ashless friction modifiers include nitrogen-containing ashless friction modifiers and oxygen-containing ashless friction modifiers, with nitrogen-containing ashless friction modifiers being preferred.
  • examples of the component (A) include compounds such as amines, amides, imides, fatty acid esters, fatty acids, aliphatic alcohols, and aliphatic ethers. These compounds include, for example, a hydrocarbon group having 6 to 30 carbon atoms, preferably an alkyl group or alkenyl group having 6 to 30 carbon atoms, more preferably a linear alkyl group or linear alkenyl group having 6 to 30 carbon atoms. Have at least one.
  • the component (A) is preferably at least one selected from amines, amides and fatty acid esters, more preferably at least one selected from amines and amides, from the viewpoint of further improving fuel economy.
  • Examples of the amine include linear or branched aliphatic monoamines or aliphatic polyamines, and alkylene oxide adducts thereof. These amines may have, for example, 6 to 30 carbon atoms.
  • the amine is preferably an amine represented by the following formula (1).
  • R 1 is a hydrocarbon group having 6 to 30 carbon atoms, preferably an alkyl group or alkenyl group having 6 to 30 carbon atoms, more preferably a straight chain having 6 to 30 carbon atoms.
  • Specific examples of the amine represented by the formula (1) include oleylamine and stearylamine.
  • amides include amides of linear or branched fatty acids and aliphatic monoamines or aliphatic polyamines. These amides may have, for example, 7 to 31 carbon atoms.
  • the amide is preferably an amide represented by the following formula (2).
  • R 1 represents the same definition as R 1 in Formula (1).
  • Specific examples of the amide represented by the formula (2) include oleylamide and acrylamide.
  • fatty acid esters include esters of linear or branched fatty acids and aliphatic monohydric alcohols or aliphatic polyhydric alcohols.
  • the fatty acid may be a saturated fatty acid or an unsaturated fatty acid. These fatty acid esters may have, for example, 7 to 31 carbon atoms.
  • the fatty acid ester is preferably an ester of a fatty acid and an aliphatic polyhydric alcohol, more preferably an ester of a linear fatty acid and an aliphatic polyhydric alcohol, and even more preferably a linear unsaturated fatty acid.
  • an aliphatic polyhydric alcohol may be complete esters or partial esters, and are preferably partial esters. Specific examples of esters of these aliphatic polyhydric alcohols include glycerin monooleate.
  • the content of the component (A) is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, still more preferably 0, based on the total amount of the lubricating oil composition, from the viewpoint of further improving fuel economy. .3% by mass or more.
  • the content of the component (A) is preferably 0.8% by mass or less, more preferably 0.7% by mass or less, still more preferably 0, based on the total amount of the lubricating oil composition, from the viewpoint of excellent long-term storage stability. .6% by mass or less.
  • the content of the component (A) is preferably 0.1 to 0.8% by mass, 0.1 to 0.8% by weight based on the total amount of the lubricating oil composition from the viewpoint of achieving both fuel saving and long-term storage stability. 0.7%, 0.1-0.6%, 0.2-0.8%, 0.2-0.7%, 0.2-0.6%, 0.3- 0.8 mass%, 0.3-0.7 mass%, or 0.3-0.6 mass%.
  • boron-containing dispersant nitrogen-containing compounds such as succinimide, benzylamine, polyamine, Mannich base having an alkenyl group or alkyl group derived from polyolefin, and boric acid to these nitrogen-containing compounds
  • nitrogen-containing compounds such as succinimide, benzylamine, polyamine, Mannich base having an alkenyl group or alkyl group derived from polyolefin, and boric acid to these nitrogen-containing compounds
  • Derivatives obtained by acting boron compounds such as borates are exemplified.
  • a derivative obtained by allowing a boron compound such as boric acid or borate to act on a nitrogen-containing compound is preferable.
  • the alkenyl group or alkyl group may be linear or branched, and is branched from an olefin oligomer such as a propylene group, 1-butene group, isobutylene group, or a co-oligomer of ethylene and propylene. It may be an alkyl group or a branched alkenyl group.
  • component (B) examples include so-called monotype succinimide represented by the following formula (3) or so-called bis-type succinimide represented by the following formula (4): boric acid, boric acid Examples thereof include modified succinimides modified with a boron compound such as a salt.
  • R 2 represents an alkyl group or alkenyl group having 40 to 400 carbon atoms, and preferably represents an alkyl group or alkenyl group having 60 to 350 carbon atoms.
  • R 2 is preferably a polybutenyl group.
  • m represents an integer of 1 to 5, preferably an integer of 2 to 4.
  • R 3 and R 4 may be the same or different and each represents an alkyl group or alkenyl group having 40 to 400 carbon atoms, preferably an alkyl group or alkenyl group having 60 to 350 carbon atoms. Represents. R 3 and R 4 are preferably each a polybutenyl group. n represents an integer of 0 to 4, preferably an integer of 1 to 3.
  • the content of the component (B) is preferably 90 mass ppm or more, more preferably 100 mass ppm or more, and more preferably 100 mass ppm or more, in terms of boron element, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion resistance to lead. Preferably it is 110 mass ppm or more.
  • the content of component (B) is preferably 180 mass ppm or less, more preferably 170 mass ppm or less, more preferably 170 mass ppm or less, in terms of boron element, based on the total amount of the lubricating oil composition, from the viewpoint of further improving fuel economy. It is 160 mass ppm or less.
  • the content of the component (B) is preferably 90 to 180 masses in terms of boron element, based on the total amount of the lubricating oil composition, from the viewpoint of achieving both high levels of corrosion prevention and fuel saving for lead.
  • the content of component (B) (in terms of boron element) can be measured by ICP elemental analysis.
  • the lubricating oil composition preferably comprises (C) an overbased organic acid metal salt (hereinafter also referred to as “component (C)”) overbased with calcium borate, from the viewpoint of further superior corrosion resistance to lead. Furthermore, it contains.
  • organic acid metal salts include alkaline earth metal sulfonates, alkaline earth metal salicylates, alkaline earth metal phenates, alkaline earth metal phosphonates, and the like.
  • the alkaline earth metal may be magnesium, calcium or barium, preferably calcium.
  • the component (C) can be obtained, for example, by reacting the above organic acid metal salt, calcium hydroxide or calcium oxide, and boric acid or anhydrous boric acid.
  • the base value of the component (C) is preferably 50 mgKOH / g or more, more preferably 100 mgKOH / g or more, and further preferably 150 mgKOH / g or more.
  • the base number of component (C) is preferably 500 mgKOH / g or less, more preferably 400 mgKOH / g or less, and still more preferably 300 mgKOH / g or less.
  • the base number in the present invention is 9. JIS K2501: 2003 9. The base number measured by the perchloric acid method.
  • the content of the component (C) is preferably 100 ppm by mass or more, more preferably 110 ppm by mass or more, more preferably 110 ppm by mass or more in terms of calcium element, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion resistance to lead. Preferably it is 120 mass ppm or more.
  • the content of the component (C) is preferably 350 mass ppm or less, more preferably 330 mass ppm or less, more preferably 330 mass ppm or less in terms of calcium element, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion resistance to lead. Preferably it is 300 mass ppm or less.
  • the content of the component (C) is preferably 100 to 350 ppm by mass, 100 to 330 ppm by mass, 100 to 330 ppm by mass, in terms of calcium element, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion resistance to lead. -300 mass ppm, 110-350 mass ppm, 110-330 mass ppm, 110-300 mass ppm, 120-350 mass ppm, 120-330 mass ppm, or 120-300 mass ppm.
  • the content of component (C) (calcium element equivalent) can be measured by ICP elemental analysis.
  • the lubricating oil composition may further contain other additives.
  • Other additives include viscosity index improvers, antiwear agents, antioxidants, antifoaming agents, pour point depressants, corrosion inhibitors, rust inhibitors, demulsifiers, metal deactivators, and the like.
  • the viscosity index improver examples include a poly (meth) acrylate viscosity index improver, an olefin copolymer viscosity index improver, and a styrene-diene copolymer viscosity index improver. These viscosity index improvers may be either non-dispersed or dispersed, preferably non-dispersed.
  • the viscosity index improver is preferably a poly (meth) acrylate viscosity index improver, more preferably a non-dispersed poly (meta), from the viewpoint of high viscosity index improving effect and excellent viscosity-temperature characteristics and low temperature viscosity characteristics. ) Acrylate viscosity index improver.
  • the pour point depressant may be, for example, poly (meth) acrylate, preferably poly (meth) acrylate having a weight average molecular weight of 10,000 to 300,000, more preferably 50,000 to 200,000.
  • Antiwear agents include phosphorous acid esters (phosphites), phosphoric acid esters, and phosphorus-based antiwear agents such as amine salts, metal salts, and derivatives thereof, disulfides, polysulfides, sulfurized olefins, sulfurized fats and oils, etc. And sulfur-based antiwear agents.
  • antioxidants examples include ashless antioxidants such as phenols and amines, and metal antioxidants such as copper and molybdenum.
  • phenol-based ashless antioxidants include 4,4′-methylenebis (2,6-di-tert-butylphenol), 4,4′-bis (2,6-di-tert-
  • amine-based ashless antioxidants include phenyl- ⁇ -naphthylamine, alkylphenyl- ⁇ -naphthylamine, dialkyldiphenylamine, and diphenylamine.
  • 100,000 mm kinematic viscosity at 25 ° C. is 1000 mm 2 / s or more 2 / s or less silicone oil, alkenylsuccinic acid derivatives, esters of polyhydroxy aliphatic alcohols and long-chain fatty acids, methyl salicylate And esters of o-hydroxybenzyl alcohol and the like.
  • corrosion inhibitor examples include benzotriazole, tolyltriazole, and imidazole compounds.
  • rust preventive examples include alkenyl succinate, polyhydric alcohol ester, petroleum sulfonate, alkylbenzene sulfonate, dinonylnaphthalene sulfonate, and the like.
  • demulsifier examples include polyalkylene glycol nonionic surfactants such as polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, and polyoxyethylene alkyl naphthyl ether.
  • metal deactivator examples include imidazoline, pyrimidine derivatives, benzotriazole or derivatives thereof.
  • the content of other additives may be 0.01 to 20% by mass based on the total amount of the lubricating oil composition.
  • the kinematic viscosity at 40 ° C. of the lubricating oil composition is preferably 31.0 mm 2 / s or more, more preferably 33.0 mm 2 / s or more, and further preferably 35.0 mm 2 / s or more, from the viewpoint of excellent lubricity. It is. Kinematic viscosity at 40 ° C. of the lubricating oil composition, to ensure low-temperature viscosity required, from the viewpoint of further improving the fuel economy, preferably 75.0 mm 2 / s or less, more preferably 72.0 mm 2 / s or less More preferably, it is 70.0 mm 2 / s or less.
  • Kinematic viscosity at 100 ° C. of the lubricating oil composition from the viewpoint of excellent lubricity, preferably 5.0 mm 2 / s or more, more preferably 7.0 mm 2 / s or more, more preferably 8.0 mm 2 / s or more It is.
  • Kinematic viscosity at 100 ° C. of the lubricating oil composition to ensure low-temperature viscosity required, from the viewpoint of further improving the fuel economy, preferably 14.0 mm 2 / s or less, more preferably 13.0 mm 2 / s or less More preferably, it is 12.0 mm 2 / s or less.
  • the viscosity index of the lubricating oil composition is preferably 120 or more, more preferably 140 or more, from the viewpoint that viscosity-temperature characteristics, thermal / oxidation stability, and volatilization prevention properties are improved and the friction coefficient is further reduced. Preferably it is 150 or more.
  • the viscosity index of the lubricating base oil is preferably 270 or less, more preferably 260 or less, and even more preferably 250 or less, from the viewpoint of excellent low-temperature viscosity characteristics.
  • the boron element content in the lubricating oil composition is preferably 180 ppm by mass or more, more preferably 190 ppm by mass or more, and still more preferably 200 ppm, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion resistance to lead. It is mass ppm or more.
  • the boron element content in the lubricating oil composition is preferably 440 mass ppm or less, more preferably 420 mass ppm or less, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion prevention and fuel economy for lead. More preferably, it is 400 mass ppm or less.
  • the boron element content can be measured by ICP elemental analysis.
  • the calcium element content in the lubricating oil composition is preferably 1800 ppm by mass or more, more preferably 1900 ppm by mass or more, and still more preferably 2000, based on the total amount of the lubricating oil composition, from the viewpoint of further excellent corrosion resistance to lead. It is mass ppm or more.
  • the calcium element content in the lubricating oil composition is preferably 2700 mass ppm or less, more preferably 2600 mass ppm or less, and even more preferably 2500, based on the total amount of the lubricating oil composition, from the viewpoint of further superior corrosion resistance to lead.
  • the mass is ppm or less.
  • the calcium element content can be measured by ICP elemental analysis.
  • the lubricating oil composition according to this embodiment is suitably used as a lubricating oil composition for internal combustion engines.
  • the internal combustion engine include a gasoline engine, a diesel engine, an oxygen-containing compound-containing engine, a gas engine, and the like.
  • the lubricating oil composition according to this embodiment is particularly preferably used as a diesel engine oil.
  • Lubricating oil compositions having the compositions shown in Tables 1 and 2 were prepared using the base oils and additives shown below.
  • Base oil Hydrorefined mineral oil (kinematic viscosity at 100 ° C .: 4.4 mm 2 / s, viscosity index: 127)
  • A-1 glycerin monooleate
  • A-2 oleylamine
  • A-3 oleylamide a-1: molybdenum dithiocarbamate
  • B-1 boric acid modified polybutenyl succinimide (weight average molecular weight of polybutenyl group: 7420, boron Element content: 0.5% by mass)
  • C-1 Calcium salicylate overbased with calcium borate (base number: 190 mgKOH / g, calcium element content: 6.8% by mass)
  • D-1 Additive package containing calcium salicylate, calcium phenate, dialkyldithiophosphoric acid, etc. (boron element content: 0.12 mass%, calcium element content: 1.5 mass%)
  • each of the lubricating oil compositions of Examples 1 to 8 was evaluated for corrosion resistance against lead in accordance with a corrosion oxidation stability test (JIS K2503: 2010). However, the sample amount was 100 ml, the test temperature was 135 ° C., the test time was 168 hours, the air flow rate was 5 L / h, and the catalyst was copper, lead, and tin. The results are shown in Table 5. It can be said that the smaller the elution amount of lead (for example, 150 ppm by mass or less), the better the corrosion resistance against lead.

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

Abstract

La présente invention concerne une composition d'huile lubrifiante pour moteurs à combustion interne qui comprend une huile de base lubrifiante, un modificateur de frottement exempt de cendres, et un dispersant contenant du bore.
PCT/JP2016/080979 2015-12-01 2016-10-19 Composition d'huile lubrifiante pour moteur à combustion interne WO2017094383A1 (fr)

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US15/773,219 US20180320103A1 (en) 2015-12-01 2016-10-19 Lubricating Oil Composition for Internal Combustion Engine
JP2017553699A JP6736037B2 (ja) 2015-12-01 2016-10-19 内燃機関用潤滑油組成物
CN201680069729.1A CN108291169A (zh) 2015-12-01 2016-10-19 内燃机用润滑油组合物

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JP2021527749A (ja) * 2018-06-22 2021-10-14 シェブロン・オロナイト・カンパニー・エルエルシー 潤滑油組成物

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EP3882330A1 (fr) * 2020-03-20 2021-09-22 Chevron Japan Ltd. Composition d'huile lubrifiante à faible viscosité
US20230043947A1 (en) * 2021-07-21 2023-02-09 Afton Chemical Corporation Methods of reducing lead corrosion in an internal combustion engine

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JPH09111275A (ja) * 1995-10-23 1997-04-28 Nippon Oil Co Ltd ディーゼルエンジン油組成物
JP2000516655A (ja) * 1996-08-09 2000-12-12 エクソン ケミカル パテンツ インコーポレイテッド ヘビーデューティジーゼルエンジン用クランクケース潤滑油
JP2002220597A (ja) * 2001-01-29 2002-08-09 Nissan Motor Co Ltd ディーゼルエンジン油組成物
JP2003073685A (ja) * 2001-09-06 2003-03-12 Nippon Oil Corp 内燃機関用潤滑油組成物
JP2005264066A (ja) * 2004-03-19 2005-09-29 Nippon Oil Corp ディーゼルエンジン用潤滑油組成物
WO2008050681A1 (fr) * 2006-10-27 2008-05-02 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante
JP2008231191A (ja) * 2007-03-19 2008-10-02 Nippon Oil Corp 潤滑油組成物

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JPH09111275A (ja) * 1995-10-23 1997-04-28 Nippon Oil Co Ltd ディーゼルエンジン油組成物
JP2000516655A (ja) * 1996-08-09 2000-12-12 エクソン ケミカル パテンツ インコーポレイテッド ヘビーデューティジーゼルエンジン用クランクケース潤滑油
JP2002220597A (ja) * 2001-01-29 2002-08-09 Nissan Motor Co Ltd ディーゼルエンジン油組成物
JP2003073685A (ja) * 2001-09-06 2003-03-12 Nippon Oil Corp 内燃機関用潤滑油組成物
JP2005264066A (ja) * 2004-03-19 2005-09-29 Nippon Oil Corp ディーゼルエンジン用潤滑油組成物
WO2008050681A1 (fr) * 2006-10-27 2008-05-02 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante
JP2008231191A (ja) * 2007-03-19 2008-10-02 Nippon Oil Corp 潤滑油組成物

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Publication number Priority date Publication date Assignee Title
JP2021527749A (ja) * 2018-06-22 2021-10-14 シェブロン・オロナイト・カンパニー・エルエルシー 潤滑油組成物
JP7407133B2 (ja) 2018-06-22 2023-12-28 シェブロン・オロナイト・カンパニー・エルエルシー 潤滑油組成物

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