WO2017114836A1 - Composition d'huile lubrifiante pour moteurs diesel - Google Patents

Composition d'huile lubrifiante pour moteurs diesel Download PDF

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Publication number
WO2017114836A1
WO2017114836A1 PCT/EP2016/082719 EP2016082719W WO2017114836A1 WO 2017114836 A1 WO2017114836 A1 WO 2017114836A1 EP 2016082719 W EP2016082719 W EP 2016082719W WO 2017114836 A1 WO2017114836 A1 WO 2017114836A1
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WIPO (PCT)
Prior art keywords
viscosity index
boron
index improver
viscosity
lubricating oil
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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.)
Ceased
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PCT/EP2016/082719
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English (en)
Inventor
Mao UEDA
Kiyoshi Hanyuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Shell USA Inc
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Shell Internationale Research Maatschappij BV
Shell Oil Co
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Publication date
Application filed by Shell Internationale Research Maatschappij BV, Shell Oil Co filed Critical Shell Internationale Research Maatschappij BV
Priority to RU2018127539A priority Critical patent/RU2732123C2/ru
Priority to US16/066,078 priority patent/US20200263106A1/en
Priority to BR112018013130A priority patent/BR112018013130A2/pt
Priority to EP16819121.1A priority patent/EP3397740B1/fr
Priority to CN201680076501.5A priority patent/CN108431188B/zh
Publication of WO2017114836A1 publication Critical patent/WO2017114836A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of 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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/34—Esters of monocarboxylic acids
    • 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
    • C10M109/00—Lubricating compositions characterised by the base-material being a compound of unknown or incompletely defined constitution
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/10—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
    • C—CHEMISTRY; METALLURGY
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    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
    • C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
    • C10M145/14—Acrylate; Methacrylate
    • 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
    • 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
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions 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
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • 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
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four 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
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/17—Fisher Tropsch reaction products
    • C10M2205/173—Fisher Tropsch reaction products 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • 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
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
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    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/68—Shear stability
    • 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
    • C10N2030/74—Noack Volatility
    • 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
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/14—Chemical after-treatment of the constituents of the lubricating composition by boron or a compound containing boron

Definitions

  • This invention relates to an engine oil for
  • lubricating oil composition for internal combustion engines and more specifically relates to a lubricating oil composition for diesel engines with superior fuel efficiency, oil consumption control and detergency .
  • crankcase lubricating oils One problem with crankcase lubricating oils is that the lubricating oil is liable to escape from the
  • blow-by gas or gas/lubricating oil mixtures of this kind, are preferably recycled in the engine rather than being exhausted to the atmosphere. In some engines such recycling is carried out by injecting the blow-by gas into the engine' s air-intake system so that the
  • lubricating oil is combusted in the piston chambers.
  • the purpose of this invention is to offer a lubricating oil composition for use in diesel engines which, when used as an engine oil for vehicles, does have excellent volatility and engine cleaning properties as well as fuel economising performance.
  • Aspect (I) of the invention is a lubricating oil composition for diesel engines characterised in that it contains :
  • Aspect (II) of the invention is a lubricating oil composition for diesel engines in accordance with Aspect
  • polymethacrylate based viscosity index improver and an SCP ( styrene-diene copolymer) based viscosity index improver and/or an OCP (olefin copolymer) based viscosity index improver and which further satisfies at least one of the following (1) to (3), the polymer amounts being minus diluents.
  • Non-comb-like PMA based viscosity index improver content/total viscosity index improver content polymer having weight-average molecular weight of not less than
  • Aspect (III) of the invention is a lubricating oil composition for diesel engines in accordance with Aspect (I) or (II) satisfying the following viscosity
  • a lubricating oil composition for use in diesel engines which, when used as an engine oil for vehicles, has excellent volatility and engine cleaning properties as well as fuel economising performance.
  • composition contents of each constituent
  • the lubricating oil composition of the present embodiment contains a GTL base oil as the base oil, a comb-like PMA based viscosity index improver and a boron- containing dispersant and/or boron-containing detergent, and other constituents where necessary.
  • GTL gas-to-liquid oils synthesised by the Fischer- Tropsch process in the technology for liquefying fuels from natural gas are used as the base oil for the lubricating oil composition of this invention.
  • base oils make it possible, in the framework of this invention, to improve oxidative stability as well as reducing evaporative losses.
  • a GTL base oil having a kinematic viscosity at 100°C of 4.5 to 5.5.
  • mm 2 /s is used. If the kinematic viscosity at 100°C of the base oil falls below 4.5, satisfactory volatility is not obtained. If the kinematic viscosity at 100°C exceeds 5.5, satisfactory fuel economy is not obtained.
  • kinematic viscosity at 100°C of 4.5 to 5.5 mm 2 /s but in the case of manufacture it is suitable to mix two kinds, a GTL base oil (al) where the kinematic viscosity at 100°C is 3.0 to 6.0 mm 2 /s and a GTL base oil (a2) where the kinematic viscosity at 100°C is 7.0 to 13 mm 2 /s. If the kinematic viscosity at 100°C of the low viscosity base oil constituent (al) is below 3.0 mm 2 /s, the amount of evaporation increases, and it becomes difficult to maintain the viscosity of the composition over long periods.
  • the ideal viscosity index of the mixed GTL base oil is 120 to 180, but 120 to 150 is even better.
  • GTL base oils For these GTL base oils a total sulphur content of less than 10 ppm is typically ideal, and a total nitrogen content of less than 1 ppm is even better.
  • GTL base oil product is Shell XHVI (trade name) .
  • the lubricating oil of the present embodiment may also include a boron-containing detergent as a detergent.
  • a boron-containing detergent there are no special restrictions for the boron- containing detergent, but mention may be made of boron- containing alkaline earth metal salts. More
  • borated alkaline earth metal alkylsalicylate detergents and borated alkaline earth metal alkyl toluene sulphonate detergents.
  • Borated calcium alkyltoluene sulphonate is ideal.
  • the lubricating oil composition of the present embodiment here may also include other detergents (for example, metallic detergents) so long as the effect of the invention is not impeded.
  • metallic detergents mention may be made of alkaline earth metal sulphonates, alkaline earth metal phenates, alkaline earth metal salicylates and alkaline earth metal
  • alkaline earth metals As examples of the alkaline earth metals, mention may be made of calcium and magnesium. These may be used singly or in combinations of two or more kinds. Normally, use of sulphonates, phenates and salicylates of calcium or magnesium is preferred. For alkaline earth metal phenates it is preferable to use alkaline earth metal salts, especially calcium salts, of alkylphenols , alkylphenol sulphides and alkylphenol Mannich reaction products having straight-chain or branched alkyl groups of carbon number 4 to 30, but preferably 6 to 18.
  • alkaline earth metal salicylates it is preferable to use alkaline earth metals salts, and with special preference magnesium salts and/or calcium salts, of alkyl salicylic acids having straight-chain or branched alkyl groups of carbon number 1 to 30, but preferably 6 to 18.
  • the base numbers of these may be freely chosen according to the type and purpose of the corresponding lubricating oil.
  • the lubricating oil composition of the present embodiment may include a boron-containing dispersant as a dispersant .
  • a boron-containing dispersant for example, polybutenyl succinimide based dispersants, polybutenyl succinamide based dispersants, benzylamine based dispersants and succinate ester based dispersants may be borated.
  • polybutenes obtained by polymerisation of high-purity isobutene or mixtures of 1-butene and isobutene using a fluorinated boron based catalyst or an aluminium chloride based catalyst, and the products having a vinylidene structure at the terminals are normally contained in the amount of 5 to 100 mol% . From the standpoint of sludge- inhibiting effects, it is preferable to include 2 to 5, and in particular 3 to 4, nitrogen atoms in the
  • polybutenyl succinimide derivatives it is possible to use the so-called modified succinimides in which some or all of the amino and/or imino groups present have been neutralised or amidified by making boric acid compounds or oxygen- containing organic compounds such as alcohols, aldehydes, ketones, alkylphenols, cyclic carbonates and organic acids act on the aforementioned polybutenyl succinimide compounds .
  • the lubricating oil composition of the present embodiment may be such as to contain any and at least one of the above mentioned boron-containing detergents and boron-containing dispersants, and any such forms that contain boron-containing detergents only, boron- containing dispersants only, or boron-containing
  • anti-wear agents imparting wear resistance and extreme-pressure resistance that can be used in the lubricating oil composition of the present embodiment, mention may be made of zinc dithiophosphates
  • ZnDTP ZincDTP
  • Typical examples of ZnDTP generally include zinc dialkyldithiophosphates , zinc diaryldithiophosphates and zinc arylalkyldithiophosphates .
  • the alkyl groups here may be straight-chain or branched.
  • dialkyldithiophosphates zinc dialkyldithiophosphates having primary or secondary alkyl groups of carbon number 3 to 22 or alkylaryl groups substituted with alkyl groups of carbon number 3 to 18 may be used.
  • zinc dialkyldithiophosphates mention may be made of zinc dipropyldithiophosphate, zinc
  • diethylhexyldithiophosphate zinc dioctyldithiophosphate, zinc dinonyldithiophosphate, zinc didecyldithiophosphate, zinc didodecyldithiophosphate, zinc
  • the metal deactivators that can be used in the lubricating oil composition of the present embodiment include benzotriazoles and benzotriazole derivatives such as alkyl-tolyltriazoles , and benzimidazoles and
  • benzimidazole derivatives such as tolimidazoles .
  • indazole derivatives such as tolylindazoles
  • benzothiazoles and benzothiazole derivatives
  • tolylthiazoles Mention may also be made of benzoxazole derivatives, thiadiazole derivatives and tolazole derivatives .
  • lubricating oil composition of the present embodiment include amine-based anti-oxidants and phenol-based anti ⁇ oxidants.
  • amine-based anti-oxidants examples include dialkyl- diphenylamines such as p, p ' -dioctyl-diphenylamine
  • dialkylphenyl) amines such as di(2,4- diethylphenyl ) amine and di (2-ethyl-4-nonylphenyl ) amine
  • alkylphenyl-l-naphthylamines such as octyl-phenyl-1- naphthylamine and N-t-dodecylphenyl-l-naphthylamine
  • 1- naphthylamine aryl-naphthylamines such as phenyl-1- naphthylamine , phenyl-2-naphthylamine, N-hexylphenyl-2- naphthylamine and N-octylphenyl-2-naphthylamine
  • aryl-naphthylamines such as phenyl-1- naphthylamine , phenyl-2-naphthylamine, N-he
  • phenylenediamines such as N, N ' -diisopropyl-p- phenylenediamine and N, N ' -diphenyl-p-phenylenediamine, and phenothiazines such as Phenothiazine (made by
  • Phenol-based anti-oxidants include 2-t-butylphenol, 2-t- butyl-4-methylphenol, 2-t-butyl-5-methylphenol, 2,4-di-t- butylphenol, 2, 4-dimethyl-6-t-butylphenol, 2-t-butyl-4- methoxyphenol , 3-t-butyl-4-methoxyphenol, 2,5-di-t- butylhydroquinone (Antage DBH, made by Kawaguchi Chemical Industry Co.
  • alkyl-3- (3, 5- di-t-butyl-4-hydroxyphenyl) propionates
  • n- octadecyl-3- (3, 5-di-t-butyl-4-hydroxyphenyl ) propionate
  • the lubricating oil composition of the present embodiment includes a comb-like polymethacrylate-based viscosity index improver.
  • a comb-like polymer is a polymer having a plurality of extended side chains in a comb form relative to the main polymer chain.
  • the viscosity index improvers of the present embodiment include, among these comb-like polymers, viscosity index improvers which are comb-like polymethacrylate-based polymers. In this invention, what is meant by a
  • viscosity index improver denotes a polymer having a weight average molecular weight of not less than 50,000.
  • polymethacrylate-based viscosity index improvers that may be used in the present embodiment are, for example, the polymers disclosed in Japanese Laid-open Patent 2010- 532805.
  • the comb-like polymethacrylate-based viscosity index improvers of the present embodiment ideally have a weight average molecular weight of 200,000 to 600,000, those of 250,000 to 500,000 are even better, and those of 300,00 to 450,000 are best of all.
  • the PSSI permanent shear stability index
  • Viscoplex 3-201 registered trade mark
  • Viscoplex 3-220 registered trade mark
  • the lubricating oil composition of the present embodiment may include viscosity index improvers other than comb-like polymethacrylate-based viscosity index improvers.
  • viscosity index improvers other than comb-like polymethacrylate-based viscosity index improvers.
  • polymers selected from the group comprising non-comb-like PMA (polymethacrylates ) , OCP (olefin copolymers) and SCP
  • non-comb-like PMA (polymethacrylate ) -based viscosity index improvers it is possible to use without any special restriction those known in the art, but those having a weight average molecular weight of 100,000 to
  • OCP olefin copolymer
  • SCP styrene-diene copolymer
  • SCP styrene-diene copolymer
  • the lubricating oil composition of the present embodiment may contain polymers other than comb-like polymethacrylates as viscosity index improvers.
  • Such viscosity index improvers are in general blended in a diluted state in a suitable liquid medium to make them easier to handle.
  • organosilicates such as
  • fluorosilicones and non-silicone based defoamers such as polyalkylacrylates .
  • the base oil content is ideally 60 to 90 mass% in terms of the total mass of the lubricating oil
  • composition but 65 to 90 mass% is better, and the range 70 to 85 mass% is better yet.
  • the content of viscosity index improvers is not specially restricted and may be modified as appropriate. For example it may be 0.05 to 20 mass% in terms of the total mass of the lubricating oil composition.
  • the ideal amounts of each of the various viscosity index improvers are given below.
  • the content of the comb-like PMA is 1.0 to 6.0 mass% in terms of the total amount of the lubricating oil composition, but 1.0 to 5.0 mass% is better and 1.0 to 4.0 mass% is best of all.
  • the non-comb-like PMA content is ideally such that non-comb-like PMA content / total viscosity index improver content is not more than 0.7.
  • the OCP content is ideally such that OCP content / total viscosity index improver content is not more than 0.2.
  • the SCP content is ideally such that SCP content / total viscosity index improver content is not more than
  • styrene-diene copolymers and OCP (olefin copolymers) are included as viscosity index improvers, and these satisfy at least one (but ideally all) of the
  • the content of the boron-containing detergent and/or boron-containing dispersant must be not less than 0.025 mass% in terms of the boron content conversion value (total amount) .
  • the upper limit is not specially restricted, but may for example be not more than 0.1 mass% (ideally not more than of the order of 0.050 massl) .
  • the ideal added amount of anti-wear agents for example ZnDTP
  • ZnDTP anti-wear agents
  • P amount of phosphorus
  • the ideal added amount of defoamers, individually or in combinations of plural kinds will be, for example,
  • the ideal added amount of metallic detergents individually or in combinations of plural kinds, will be, for example, 0.05 to 0.3 mass%, but more preferably 0.1 to 0.2 mass%, in terms of the total mass of the lubricating composition.
  • the ideal added amount of ashless dispersants, individually or in combinations of plural kinds, will be, for example, be such as to present of the order of 0.01 to 0.3 mass% of nitrogen in terms of the total mass of the lubricating composition .
  • the method of measuring the capillary viscosity here is the value measured in accordance with the ASTM D5481 test method (150°C), taking the temperature condition at
  • the method of measuring the TBS viscosity is the value measured by means of the method described in
  • DH-2 DI package 1 As shown in the tables, in the examples of embodiment when 14.00% was added, the boron content of the lubricating oil became 0.033 mass%
  • DH-2 DI package 2 As shown in the tables, in the examples of embodiment when 14.00% was added, the boron content of the lubricating oil became 0.027 mass%
  • DH-2 DI package 3 As shown in the tables, in the examples of embodiment when 14.00% was added, the boron content of the lubricating oil became 0.020 mass%
  • Viscosity index improver solution 1 Solution containing Viscoplex 3-220 (comb-like PMA-based viscosity index improver) (approx. 40% dilution)
  • Viscosity index improver solution 2 Solution containing Viscoplex 3-201 (comb-like PMA-based viscosity index improver) (approx. 60% dilution)
  • Viscosity index improver solution 3 Solution containing Viscoplex 6-954 (non-comb-like PMA-based viscosity index improver) (approx. 40% dilution)
  • Viscosity index improver solution 4 Solution containing Lz7177B (olefin copolymer -based viscosity index improver) (approx. 87.5% dilution)
  • Viscosity index improver solution 5 Solution containing Infineum (registered trade mark) SV150
  • the Noack volatility (%) was measured on the basis of ASTM D5800. For the evaluation, if the Noack
  • volatility (%) was not more than 13.0, volatility was marked 0 (good) .
  • Hot tube tests were carried out in accordance with the Japan Petroleum Institute's standard JPI-5S-55-99 "Engine oils - Hot tube test.”
  • the test conditions were set at a test temperature of 290°C/300°C, test duration 16 hours, sample oil feed rate of 0.3 ml/hour and air flow of 10 ml/hour, and if the evaluation (merit points) of the colour of discoloured portion of the glass tube after completion of the test was at least 7.0, detergency was marked 0 (good) .
  • the [capillary viscosity - TBS viscosity) / TBS viscosity] was calculated by following the aforementioned method .
  • the (40°C) kinematic viscosity, (100°C) kinematic viscosity, viscosity index (VI), boron content (total value), calcium content (total value), phosphorus content (total value), zinc content (total value), nitrogen content (total value) and molybdenum content (total value) were calculated (the base stock Vk 100°C was the 100°C kinematic viscosity of the base oil mixture) .

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)

Abstract

La présente invention concerne une composition d'huile lubrifiante pour moteurs diesel qui contient une huile de base GTL présentant une viscosité cinématique à 100 °C de 4,5 à 5,5 mm2/s, un agent d'amélioration de l'indice de viscosité de type peigne à base de PMA (polyméthacrylate) et un agent de dispersion contenant du bore et/ou un détergent contenant du bore, la teneur totale de l'agent de dispersion contenant du bore et/ou du détergent contenant du bore en termes de conversion de la teneur du bore par rapport à la quantité totale de la composition n'étant pas inférieure à 0,025 % en masse, et qui satisfait 0W-30 ou 5W-30 selon la norme SAE J300.
PCT/EP2016/082719 2015-12-28 2016-12-27 Composition d'huile lubrifiante pour moteurs diesel Ceased WO2017114836A1 (fr)

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RU2018127539A RU2732123C2 (ru) 2015-12-28 2016-12-27 Композиция смазочного масла для дизельного двигателя
US16/066,078 US20200263106A1 (en) 2015-12-28 2016-12-27 Lubricating oil composition for diesel engines
BR112018013130A BR112018013130A2 (pt) 2015-12-28 2016-12-27 composição de óleo lubrificante para motores a diesel
EP16819121.1A EP3397740B1 (fr) 2015-12-28 2016-12-27 Composition d'huile lubrifiante pour moteurs diesel
CN201680076501.5A CN108431188B (zh) 2015-12-28 2016-12-27 用于柴油发动机的润滑油组合物

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JP2015-257263 2015-12-28
JP2015257263A JP6677511B2 (ja) 2015-12-28 2015-12-28 ディーゼルエンジン用潤滑油組成物

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WO2019244019A1 (fr) * 2018-06-22 2019-12-26 Chevron Oronite Company Llc Composition d'huile lubrifiante
KR20200110815A (ko) * 2018-03-06 2020-09-25 발보린 라이센싱 앤드 인텔렉츄얼 프러퍼티 엘엘씨 견인 유체 조성물
EP3778840A4 (fr) * 2018-03-30 2021-05-05 Idemitsu Kosan Co.,Ltd. Composition d'huile lubrifiante et procédé d'utilisation
RU2780321C2 (ru) * 2017-09-28 2022-09-21 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Композиция смазочного масла для двигателя внутреннего сгорания

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CN109321337A (zh) * 2018-11-01 2019-02-12 江苏龙蟠科技股份有限公司 一种具有低摩擦系数的发动机油组合物及制备方法
JP2020084066A (ja) * 2018-11-28 2020-06-04 Ｅｍｇルブリカンツ合同会社 潤滑油基油組成物
JP7516145B2 (ja) * 2020-07-21 2024-07-16 コスモ石油ルブリカンツ株式会社 エンジン油組成物
AR123123A1 (es) 2020-08-03 2022-11-02 Shell Int Research Proceso integrado de producción de etileno
US11732207B2 (en) * 2020-08-31 2023-08-22 Eneos Corporation Lubricating oil composition for internal combustion engine
US11987766B2 (en) * 2020-08-31 2024-05-21 Eneos Corporation Lubricating oil composition for internal combustion engine
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RU2780321C2 (ru) * 2017-09-28 2022-09-21 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Композиция смазочного масла для двигателя внутреннего сгорания
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RU2018127539A (ru) 2020-01-30
CN108431188A (zh) 2018-08-21
US20200263106A1 (en) 2020-08-20
JP2017119787A (ja) 2017-07-06
RU2732123C2 (ru) 2020-09-11
JP6677511B2 (ja) 2020-04-08
EP3397740A1 (fr) 2018-11-07
BR112018013130A2 (pt) 2018-12-18
RU2018127539A3 (fr) 2020-04-02
EP3397740B1 (fr) 2021-12-08
CN108431188B (zh) 2021-05-28

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