JP2608098B2 - Lubricating oil composition - Google Patents

Lubricating oil composition

Info

Publication number
JP2608098B2
JP2608098B2 JP63114739A JP11473988A JP2608098B2 JP 2608098 B2 JP2608098 B2 JP 2608098B2 JP 63114739 A JP63114739 A JP 63114739A JP 11473988 A JP11473988 A JP 11473988A JP 2608098 B2 JP2608098 B2 JP 2608098B2
Authority
JP
Japan
Prior art keywords
oil
less
lubricating
lubricating oil
agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP63114739A
Other languages
Japanese (ja)
Other versions
JPH01287196A (en
Inventor
一志 畑
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP63114739A priority Critical patent/JP2608098B2/en
Priority to CA000598030A priority patent/CA1311463C/en
Priority to EP89108062A priority patent/EP0341574B1/en
Priority to DE8989108062T priority patent/DE68900373D1/en
Priority to KR1019890006443A priority patent/KR950001712B1/en
Publication of JPH01287196A publication Critical patent/JPH01287196A/en
Application granted granted Critical
Publication of JP2608098B2 publication Critical patent/JP2608098B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • 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
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • C10M107/08—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation containing butene
    • 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
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • 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
    • C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
    • 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
    • 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
    • C10M169/042—Mixtures of base-materials and additives the additives being compounds of unknown or incompletely defined constitution 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • 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
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
    • 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
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • 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
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
    • 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
    • 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
    • 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
    • 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
    • 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
    • C10M2203/104—Aromatic fractions
    • C10M2203/1045—Aromatic 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
    • 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
    • C10M2203/106—Naphthenic fractions
    • C10M2203/1065—Naphthenic 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
    • 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
    • C10M2203/108—Residual fractions, e.g. bright stocks
    • C10M2203/1085—Residual fractions, e.g. bright stocks 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
    • C10M2205/026—Butene
    • 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
    • C10M2205/026—Butene
    • C10M2205/0265—Butene 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
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two 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
    • 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
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/22—Acids obtained from polymerised unsaturated 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
    • C10M2207/282—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
    • C10M2207/287—Partial esters
    • C10M2207/288—Partial esters containing free carboxyl 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
    • 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
    • C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
    • 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/06—Perfluorinated 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • C10M2213/062—Polytetrafluoroethylene [PTFE]
    • 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
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • 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
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
    • 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
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
    • 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
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • 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
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
    • 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
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • 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
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • 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
    • C10M2223/045—Metal containing thio 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
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/061—Esters derived from boron
    • 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
    • C10N2010/04—Groups 2 or 12
    • 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
    • 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
    • C10N2040/02—Bearings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives

Landscapes

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

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は潤滑油組成物に関し、詳しくは繰返し高接触
応力下において金属の疲労損傷が小さく、またトラクシ
ョン係数が高く、その上酸化安定性にすぐれ、特に歯
車，軸受，トラクションドライブ機構等の動力伝達装置
用潤滑油に好適な潤滑油組成物に関する。Description: TECHNICAL FIELD The present invention relates to a lubricating oil composition, and more particularly, to a metal having low fatigue damage under high contact stress, high traction coefficient, and oxidation stability. The present invention relates to a lubricating oil composition which is excellent, especially suitable for lubricating oil for power transmission devices such as gears, bearings and traction drive mechanisms.

〔従来の技術及び発明が解決しようとする課題〕[Problems to be solved by conventional technology and invention]

従来、歯車用潤滑油，軸受用潤滑油さらにはトラクシ
ョンドライブ用潤滑油としては、粘度指数が高く（即
ち、粘度の温度依存性が小さく）、また酸化安定性が比
較的高いパラフィン系鉱油が、一般に広く用いられてい
る。Conventionally, as a lubricating oil for gears, a lubricating oil for bearings and a lubricating oil for traction drive, paraffinic mineral oil having a high viscosity index (that is, a small temperature dependency of viscosity) and relatively high oxidative stability, Generally used widely.

しかし、このようなパラフィン系鉱油を用いた潤滑油
は、繰返し高接触応力下での耐ピッチング性やトラクシ
ョン係数等が不充分であり、しかも酸化安定性が必ずし
も充分でないという問題がある。However, lubricating oils using such paraffinic mineral oils have a problem that the pitting resistance and the traction coefficient under repeated high contact stress are insufficient, and the oxidation stability is not necessarily sufficient.

〔課題を解決するための手段〕[Means for solving the problem]

そこで本発明は、上述の如き従来の潤滑油の欠点を解
消し、繰返し高接触応力下においても高い耐疲労損傷
性，高いトラクション性能ならびにすぐれた酸化安定性
を示す潤滑油を開発すべく鋭意研究を重ねた。Accordingly, the present invention is an intensive study to solve the above-mentioned drawbacks of the conventional lubricating oil and to develop a lubricating oil exhibiting high fatigue damage resistance, high traction performance and excellent oxidation stability even under repeated high contact stress. Was piled up.

その結果、特定の性状を有する鉱油あるいはこの鉱油
とポリブテンを基油として用いるとともに、これに極圧
剤，耐摩耗剤，油性剤等の添加剤を加えたものが、上述
した性能を備えたものとなることを見出した。本発明は
かかる知見に基いて完成したものである。As a result, a mineral oil with specific properties or a mixture of this mineral oil and polybutene as a base oil, with additives such as extreme pressure agent, antiwear agent, oil agent, etc., having the above-mentioned performance I found that. The present invention has been completed based on such findings.

すなわち、本発明は（Ａ）40℃における動粘度が２〜
2000cSt,粘度指数が70以上，流動点が−30℃以下，窒素
含有量が20ppm以下であり、かつ臭素価が25以下に調製
された鉱油75〜20重量％及び（Ｂ）分子量200〜3000の
ポリブテン25〜80重量％からなる潤滑油基油に、極圧
剤，耐摩耗剤及び油性剤から選ばれた少なくとも一種の
添加剤を配合することを特徴とする動力伝達装置用潤滑
油組成物を提供するものである。That is, in the present invention, (A) the kinematic viscosity at 40 ° C. is 2 to 2.
2,000 cSt, viscosity index of 70 or more, pour point of -30 ° C or less, nitrogen content of 20 ppm or less, and a bromine number of 75 to 20% by weight of a mineral oil prepared to 25 or less, and (B) a molecular weight of 200 to 3,000. A lubricating oil composition for a power transmission device, comprising a lubricating base oil comprising 25 to 80% by weight of polybutene and at least one additive selected from extreme pressure agents, antiwear agents and oil agents. To provide.

本発明の組成物においては、（Ａ）成分である上述の
鉱油単独あるいはこの鉱油と（Ｂ）成分である分子量20
0〜3000のポリブテンとの混合物を潤滑油基油とする。
この（Ａ）成分として用いられる鉱油の性状は、上述の
如く、まず40℃における動粘度が２〜2000cStであり、
好ましくは10〜500cStである。2cSt未満のものでは油膜
形成能が小さく摩耗が著くなって不都合であり、また20
00cStを超えると粘性抵抗による動力損失が大きくなり
過ぎるなどの不都合が生ずる。また、この鉱油は粘度指
数が70以上、好ましくは75以上である。ここで粘度指数
が70未満のものでは、酸化安定性が不充分なものとな
る。さらに、上記鉱油は窒素含有量が20ppm以下、好ま
しくは10ppm以下であり、臭素価については25以下、好
ましくは10以下のものである。窒素含有量が20ppmを超
えるかあるいは臭素価が25を超えるものでは、疲労寿命
が低下し好ましくない。In the composition of the present invention, the mineral oil alone as the component (A) or the mineral oil having the molecular weight of 20 or less as the component (B) is used.
A mixture with 0 to 3000 polybutene is used as a lubricating base oil.
As described above, the properties of the mineral oil used as the component (A) first have a kinematic viscosity at 40 ° C. of 2 to 2000 cSt,
Preferably it is 10 to 500 cSt. If it is less than 2 cSt, the oil film forming ability is small and wear becomes remarkable, which is inconvenient.
If it exceeds 00 cSt, problems such as excessive power loss due to viscous resistance occur. The mineral oil has a viscosity index of 70 or more, preferably 75 or more. Here, when the viscosity index is less than 70, the oxidation stability becomes insufficient. Further, the mineral oil has a nitrogen content of 20 ppm or less, preferably 10 ppm or less, and a bromine value of 25 or less, preferably 10 or less. If the nitrogen content exceeds 20 ppm or the bromine number exceeds 25, the fatigue life is undesirably reduced.

また、本発明の組成物に用いる（Ａ）成分である鉱油
は、低温性能も考慮して、流動点が−30℃以下のものが
用いられる。The mineral oil used as the component (A) used in the composition of the present invention has a pour point of −30 ° C. or lower in consideration of low-temperature performance.

この（Ａ）成分として用いる鉱油は、上記の如き性状
を有するものであれば、様々な方法によって製造された
ものを用いることができるが、具体的には、パラフィン
基系原油，中間基系原油を常圧蒸留するかあるいは常圧
蒸留の残渣油を減圧蒸留して得られる留出油を常法にし
たがって精製することによって得られる精製油、あるい
は精製後さらに深脱ロウ処理することによって得られる
深脱ロウ油などをあげることができる。この際の精製法
は特に制限はなく様々な方法が考えられる。通常は
（ａ）水素化処理，（ｂ）脱ロウ処理（溶剤脱ロウまた
は水添脱ロウ），（ｃ）溶剤抽出処理，（ｄ）アルカリ
蒸留または硫酸洗浄処理，（ｅ）白土処理を単独である
いは適宜順序で組み合わせて行う。また同一処理を複数
段に分けて繰り返し行うことも有効である。例えば、
留出油を水素化処理するか、または水素化処理した後、
アルカリ蒸留または硫酸洗浄処理を行う方法、留出油
を水素化処理した後、脱ロウ処理する方法、留出油を
溶剤抽出処理した後、水素化処理する方法、留出油に
二段あるいは三段の水素化処理を行う、またはその後に
アルカリ蒸留または硫酸洗浄処理する方法、さらには
上述した〜の如き処理後、再度脱ロウ処理して深脱
ロウ油とする方法などがある。As the mineral oil used as the component (A), those produced by various methods can be used as long as they have the above properties. Specifically, paraffin-based crude oils, intermediate-based crude oils Or a refined oil obtained by purifying a distillate obtained by vacuum distillation of a residual oil obtained by distillation under normal pressure, or obtained by further deep-dewaxing after purification. And deep-waxed oils. The purification method at this time is not particularly limited, and various methods can be considered. Usually, (a) hydrogenation treatment, (b) dewaxing treatment (solvent dewaxing or hydrogenation dewaxing), (c) solvent extraction treatment, (d) alkali distillation or sulfuric acid washing treatment, and (e) clay treatment alone Or by combining them in an appropriate order. It is also effective to repeat the same process in a plurality of stages. For example,
Hydrotreating the distillate or after hydrotreating,
A method of performing alkali distillation or sulfuric acid washing treatment, a method of subjecting a distillate to hydrogenation and then a dewaxing treatment, a method of subjecting a distillate to a solvent extraction treatment and then a hydrotreating treatment, a two-stage or three-stage There is a method of performing a hydrogenation treatment of the stage, or a method of performing a subsequent alkali distillation or sulfuric acid washing treatment, and a method of performing the treatment as described in (1) to (5) and then performing a dewaxing treatment again to obtain a deeply dewaxed oil.

いずれの方法によっても、得られる基油の性状が、前
述した範囲の動粘度，粘度指数，窒素含有量および臭素
価となるように調整すればよい。In any case, the properties of the resulting base oil may be adjusted so that the kinematic viscosity, viscosity index, nitrogen content, and bromine value are in the above-mentioned ranges.

特に、本発明では深脱ロウ処理によって得られる鉱油
が潤滑油基油として好適である。この深脱ロウ処理は、
苛酷な条件下での溶剤脱ロウ処理法やゼオライト触媒を
用いた触媒水添脱ロウ処理法などによって行われる。In particular, in the present invention, mineral oil obtained by deep dewaxing is suitable as the lubricating base oil. This deep dewaxing process
It is carried out by a solvent dewaxing method under severe conditions or a catalyst hydrodewaxing method using a zeolite catalyst.

本発明の組成物においては、上記（Ａ）鉱油を単独で
潤滑油基油として用いてもよいが、この鉱油とともに
（Ｂ）分子量200〜3000のポリブテンを用い、（Ａ），
（Ｂ）両成分よりなる潤滑油基油とすることもできる。
ここで、（Ｂ）成分であるポリブテンは、分子量が200
〜3000のもの（これは、40℃における動粘度が２〜4000
cStに相当する。）であり、好ましくは300〜1000であ
る。またこのポリブテンは、水添したものでも、未水添
のものでもよい。In the composition of the present invention, the mineral oil (A) may be used alone as a lubricating base oil, but (B) a polybutene having a molecular weight of 200 to 3000 is used together with the mineral oil,
(B) A lubricating base oil comprising both components can also be used.
Here, the polybutene as the component (B) has a molecular weight of 200
~ 3000 (this has a kinematic viscosity of 2 to 4000 at 40 ° C)
Corresponds to cSt. ), Preferably from 300 to 1,000. The polybutene may be hydrogenated or unhydrogenated.

このようなポリブテンを上記鉱油に加えて潤滑油基油
とすることにより、酸化安定性を維持しながら、疲労寿
命の長期化やトラクション性能の一層の向上を図ること
ができる。By adding such a polybutene to the above-described mineral oil to form a lubricating base oil, it is possible to extend the fatigue life and further improve traction performance while maintaining oxidative stability.

本発明の組成物における潤滑油基油は、（Ａ）成分で
ある鉱油を75〜20重量％とし、（Ｂ）成分であるポリブ
テンを25〜80重量％の範囲で混合する。鉱油の混合割合
が、20重量％未満では厳しい条件下（貧潤滑状態）での
耐摩耗性や耐焼付性能が不充分になるという不都合が生
ずる。The lubricating base oil in the composition of the present invention contains 75 to 20% by weight of the mineral oil as the component (A) and 25 to 80% by weight of the polybutene as the component (B). If the mixing ratio of the mineral oil is less than 20% by weight, there arises a problem that the wear resistance and the seizure resistance under severe conditions (poor lubrication state) become insufficient.

また、本発明の組成物では、上記（Ａ）成分あるいは
この（Ａ）成分と（Ｂ）成分とからなる潤滑油基油に、
極圧剤，耐摩耗剤及び油性剤から選ばれた少なくとも一
種の添加剤を配合することが必要である。ここで極圧剤
としては、種々のものが使用可能であるが、具体的には
スルフィド類，スルフォキサイド類，スルフォン類，チ
オホスフィネート類，チオカーボネート類，ジチオカー
バメート類，アルキルチオカルバモイル類，油脂，硫化
油脂，硫化オレフィン等のイオウ系極圧剤；リン酸エス
テル，亜リン酸エステル，リン酸エステルアミン塩，亜
リン酸エステルアミン塩等のリン系極圧剤；塩素化炭化
水素，塩素化油脂等のハロゲン系極圧剤；ジチオリン酸
亜鉛（ZnDTP）などのチオリン酸塩やチオカルバミン酸
塩等の有機金属系極圧剤などをあげることができる。In the composition of the present invention, the component (A) or the lubricating base oil comprising the component (A) and the component (B) is
It is necessary to incorporate at least one additive selected from extreme pressure agents, antiwear agents and oil agents. Here, various types of extreme pressure agents can be used. Specifically, sulfides, sulfoxides, sulfones, thiophosphinates, thiocarbonates, dithiocarbamates, alkylthiocarbamoyls, oils and fats, Sulfur-based extreme pressure agents such as sulfurized oils and fats, sulfurized olefins, etc .; Phosphorus-based extreme pressure agents such as phosphate esters, phosphite esters, phosphate ester amine salts, phosphite ester amine salts; chlorinated hydrocarbons, chlorinated oils Halogen-based extreme pressure agents such as zinc dithiophosphate (ZnDTP) and organometallic extreme pressure agents such as thiocarbamate.

次に、耐摩耗剤としては、ジチオリン酸モリブデン
（MoDTP），ジチオカルバミン酸モリブデン（MoDTC）等
の有機モリブデン化合物；アルキルメルカプチルボレー
ト等の有機ホウ素化合物；グラファイト，二硫化モリブ
デン，硫化アンチモン，ホウ素化合物，ポリテトラフル
オロエチレン等の固体潤滑剤系耐摩耗剤などをあげるこ
とができる。Next, examples of antiwear agents include organic molybdenum compounds such as molybdenum dithiophosphate (MoDTP) and molybdenum dithiocarbamate (MoDTC); organic boron compounds such as alkyl mercaptyl borate; graphite, molybdenum disulfide, antimony sulfide, boron compounds, and the like. Solid lubricant-based antiwear agents such as polytetrafluoroethylene can be used.

また、油性剤としては、オレイン酸，ステアリン酸等
の高級脂肪酸；オレイルアルコール等の高級アルコー
ル；アミン；エステル；油脂などをあげることができ
る。Examples of the oil agent include higher fatty acids such as oleic acid and stearic acid; higher alcohols such as oleyl alcohol; amines; esters;

なお、これら極圧剤，耐摩耗剤及び油性剤は、厳密に
区別しうるものではなく、まとめて耐荷重添加剤と総称
することもでき、また上記に列挙した化合物の中には、
いくつかの作用を兼ね備えたものも存在する。Note that these extreme pressure agents, antiwear agents and oil agents are not strictly distinguishable, and may be collectively referred to as load-bearing additives. Among the compounds listed above,
Some also have several functions.

本発明の組成物においては、上記（Ａ）成分あるいは
この（Ａ）成分と（Ｂ）成分とからなる潤滑油基油に対
して、これらの極圧剤，耐摩耗剤及び油性剤から選ばれ
た一種あるいは二種以上を適量配合すればよいが、一般
的には潤滑油基油100重量部に対して、これらの極圧
剤，耐摩耗剤あるいは油性剤添加剤を、0.01〜20重量部
の範囲で加えればよい。In the composition of the present invention, the extreme pressure agent, the antiwear agent and the oil agent are selected from the component (A) or the lubricating base oil comprising the component (A) and the component (B). These extreme pressure agents, antiwear agents or oil additives may be used in an amount of 0.01 to 20 parts by weight, based on 100 parts by weight of the lubricating base oil. May be added within the range.

本発明の組成物では、さらに酸化防止剤，防錆剤，金
属不活性化剤，粘度指数向上剤，流動点降下剤，消泡剤
をはじめ、公知の各種添加剤を必要に応じて配合するこ
とも有効である。ここで、酸化防止剤としては各種のも
のがあるが、例えば2,6−ジ−ｔ−ブチル−ｐ−クレゾ
ールに代表されるフェノール系酸化防止剤；ジオクチル
ジフェニルアミンに代表されるアミン系酸化防止剤；ジ
チオリン酸亜鉛に代表されるイオウ，リン系酸化防止剤
などをあげることができる。In the composition of the present invention, various known additives such as an antioxidant, a rust inhibitor, a metal deactivator, a viscosity index improver, a pour point depressant, and an antifoaming agent are further added as necessary. It is also effective. Here, there are various antioxidants, for example, a phenolic antioxidant represented by 2,6-di-t-butyl-p-cresol; an amine antioxidant represented by dioctyldiphenylamine Sulfur and phosphorus antioxidants represented by zinc dithiophosphate;

また、防錆剤についても各種のものが使用可能であ
り、例えばアルキルコハク酸，アルケニルコハク酸，そ
のエステルに代表されるカルボン酸，カルボン酸エステ
ルやカルボン酸塩、スルホン酸カルシウム，スルホン酸
バリウム，スルホン酸ナトリウム等のスルホン酸塩、さ
らにはアルコール，リン酸あるいはリン酸塩などをあげ
ることができる。Various rust preventives can be used. For example, alkyl succinic acid, alkenyl succinic acid, carboxylic acids represented by esters thereof, carboxylic esters and carboxylate salts, calcium sulfonate, barium sulfonate, Sulfonates such as sodium sulfonate, and further, alcohols, phosphoric acids, phosphates, and the like can be given.

金属不活性化剤は、従来から用いられているものでよ
く、例えばチアゾール系あるいはジチアゾール系の金属
不活性化剤などがあげられる。粘度指数向上剤について
は、ポリメタクリレート等のポリマーが好適使用され
る。The metal deactivator may be a conventionally used one, such as a thiazole or dithiazole metal deactivator. As the viscosity index improver, a polymer such as polymethacrylate is preferably used.

〔実施例〕〔Example〕

次に、本発明を実施例及び比較例によりさらに詳しく
説明する。Next, the present invention will be described in more detail with reference to Examples and Comparative Examples.

実施例１〜５及び比較例１〜６ まず、下記の第１表に示す基油を準備した。Examples 1 to 5 and Comparative Examples 1 to 6 First, base oils shown in Table 1 below were prepared.

次に、これらの基油に各種添加剤を配合して潤滑油組
成物を調製した。その後、この潤滑油組成物について、
各種の性能試験を行った。結果を第２表に示す。Next, lubricating oil compositions were prepared by blending various additives with these base oils. Then, for this lubricating oil composition,
Various performance tests were performed. The results are shown in Table 2.

なお、上記性能試験において、疲労寿命は転がり四球
試験（特開昭59−147263号公報に記載）により測定し、
酸化安定性はJIS K 2514の3.3に準拠して測定し、また
トラクション係数は特開昭62−53398号公報に記載の方
法にしたがって測定した。In the performance test, the fatigue life was measured by a rolling four-ball test (described in JP-A-59-147263).
The oxidation stability was measured according to JIS K 2514 3.3, and the traction coefficient was measured according to the method described in JP-A-62-53398.

上記の第２表からわかるように、実施例１〜４は、い
ずれも疲労寿命が長く、酸化安定性が良好で、さらにト
ラクション係数の向上も大きい。また、実施例５は、よ
り一段と疲労寿命が長く、酸化安定性にすぐれ、しか
も、トラクション係数の向上が著しい。 As can be seen from Table 2 above, Examples 1 to 4 all have a long fatigue life, good oxidation stability, and a large improvement in traction coefficient. In Example 5, the fatigue life is much longer, the oxidation stability is excellent, and the traction coefficient is significantly improved.

〔発明の効果〕〔The invention's effect〕

叙上の如く、本発明の潤滑油組成物を用いると、金属
の疲労損傷が低減されるとともに、酸化安定性が良好で
あり、しかも、トラクション係数が高く、その上、低温
安定性にすぐれたものとなる。As described above, when the lubricating oil composition of the present invention is used, fatigue damage of the metal is reduced, the oxidation stability is good, and the traction coefficient is high, and further, the low temperature stability is excellent. It will be.

したがって、本発明の潤滑油組成物は、動力伝達装置
用の潤滑油、特に歯車，転がり軸受，トラクションドラ
イブ機構の潤滑油として、幅広くかつ有効に利用され
る。Therefore, the lubricating oil composition of the present invention is widely and effectively used as a lubricating oil for a power transmission device, particularly as a lubricating oil for gears, rolling bearings, and traction drive mechanisms.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ１０Ｎ 10:04 20:00 20:02 30:06 40:02 40:04 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical display location C10N 10:04 20:00 20:02 30:06 40:02 40:04

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】（Ａ）40℃における動粘度が２〜2000cSt,
粘度指数が70以上，流動点が−30℃以下，窒素含有量が
20ppm以下であり、かつ臭素価が25以下に調製された鉱
油75〜20重量％及び（Ｂ）分子量200〜3000のポリブテ
ン25〜80重量％からなる潤滑油基油に、極圧剤，耐摩耗
剤及び油性剤から選ばれた少なくとも一種の添加剤を配
合することを特徴とする動力伝達装置用潤滑油組成物。(A) a kinematic viscosity at 40 ° C. of 2 to 2000 cSt,
Viscosity index 70 or more, pour point -30 ° C or less, nitrogen content
A lubricating base oil consisting of 75 to 20% by weight of mineral oil having a bromine number of 20 ppm or less and a bromine number of 25 or less and (B) 25 to 80% by weight of polybutene having a molecular weight of 200 to 3000, an extreme pressure agent, abrasion resistance A lubricating oil composition for a power transmission device, comprising at least one additive selected from an agent and an oil agent.
JP63114739A 1988-05-13 1988-05-13 Lubricating oil composition Expired - Fee Related JP2608098B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP63114739A JP2608098B2 (en) 1988-05-13 1988-05-13 Lubricating oil composition
CA000598030A CA1311463C (en) 1988-05-13 1989-04-27 Lubricating oil composition
EP89108062A EP0341574B1 (en) 1988-05-13 1989-05-04 Lubricating oil composition
DE8989108062T DE68900373D1 (en) 1988-05-13 1989-05-04 LUBRICANT COMPOSITION.
KR1019890006443A KR950001712B1 (en) 1988-05-13 1989-05-13 Lubricating oil composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63114739A JP2608098B2 (en) 1988-05-13 1988-05-13 Lubricating oil composition

Publications (2)

Publication Number Publication Date
JPH01287196A JPH01287196A (en) 1989-11-17
JP2608098B2 true JP2608098B2 (en) 1997-05-07

Family

ID=14645436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63114739A Expired - Fee Related JP2608098B2 (en) 1988-05-13 1988-05-13 Lubricating oil composition

Country Status (5)

Country Link
EP (1) EP0341574B1 (en)
JP (1) JP2608098B2 (en)
KR (1) KR950001712B1 (en)
CA (1) CA1311463C (en)
DE (1) DE68900373D1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2602102B2 (en) * 1989-09-20 1997-04-23 日本石油株式会社 Lubricating oil composition for internal combustion engines
FR2657088B1 (en) * 1990-01-15 1994-04-15 Bp France HYDRO-SYNTHETIC LUBRICATING OIL.
JP3259999B2 (en) * 1993-01-25 2002-02-25 東燃ゼネラル石油株式会社 Lubricating oil for shock absorber
SG64414A1 (en) * 1996-01-16 1999-04-27 Lubrizol Corp Lubricating compositions
JP3811996B2 (en) * 1996-07-10 2006-08-23 株式会社コスモ総合研究所 Traction drive fluid
JP3873358B2 (en) * 1997-03-19 2007-01-24 株式会社コスモ総合研究所 Gear oil composition
JPH10316987A (en) * 1997-05-16 1998-12-02 Cosmo Sogo Kenkyusho:Kk Gear oil composition
JP3261340B2 (en) * 1997-05-30 2002-02-25 東燃ゼネラル石油株式会社 Lubricating oil composition
JP2003292984A (en) * 2003-03-10 2003-10-15 Nsk Ltd Lubricant composition for rolling bearing and method for producing rolling bearing
JP2007507600A (en) * 2003-10-10 2007-03-29 アール．ティー．ヴァンダービルト カンパニー，インコーポレーテッド Lubricating composition containing synthetic ester base oil, molybdenum compound and thiadiazole compound
US20050277560A1 (en) * 2004-06-09 2005-12-15 The Lubrizol Corporation Hydrocarbon compositions to reduce scuffing and seizure of the metal on metal interface for continuously variable transmissions
JP5584049B2 (en) 2010-08-17 2014-09-03 株式会社Ａｄｅｋａ Extreme pressure agent for lubricating oil and lubricating oil composition containing the same
US8796189B2 (en) 2011-10-14 2014-08-05 Chevron U.S.A. Inc. Gear lubricant
JP5822706B2 (en) 2011-12-13 2015-11-24 株式会社Adeka Friction and wear reducing agent for lubricating oil and lubricating oil composition containing the same
KR101694622B1 (en) * 2015-06-25 2017-01-09 에스케이이노베이션 주식회사 Lube base oil composition
JP6913075B2 (en) * 2016-03-04 2021-08-04 出光興産株式会社 Lubricating oil composition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1604121A (en) * 1966-02-01 1971-07-12 Two-stroke marine diesel lubricant containing liquid
US3838049A (en) * 1966-02-01 1974-09-24 G Souillard Lubricating compositions
US3912617A (en) * 1974-02-14 1975-10-14 Sun Oil Co Pennsylvania Blended refrigeration oil composition
JPS6144997A (en) * 1984-08-09 1986-03-04 Nippon Steel Chem Co Ltd Production of traction oil
JPS61200199A (en) * 1985-03-04 1986-09-04 Idemitsu Kosan Co Ltd Lubricant oil composition for acclimatizing drive of ship engine
JP2555284B2 (en) * 1987-05-14 1996-11-20 出光興産株式会社 Lubricant composition with improved temperature characteristics

Also Published As

Publication number Publication date
EP0341574A1 (en) 1989-11-15
CA1311463C (en) 1992-12-15
KR900018346A (en) 1990-12-21
KR950001712B1 (en) 1995-02-28
JPH01287196A (en) 1989-11-17
EP0341574B1 (en) 1991-10-30
DE68900373D1 (en) 1991-12-05

Similar Documents

Publication Publication Date Title
JP2555284B2 (en) Lubricant composition with improved temperature characteristics
JP2608098B2 (en) Lubricating oil composition
EP0452998B1 (en) Lubricating oil composition
JP5646859B2 (en) Lubricating oil composition for continuously variable transmission
JP5638256B2 (en) Lubricating oil composition
JP5774881B2 (en) Grease composition
JPS63280797A (en) Lubricating oil base oil and composition for mechanical device having orifice mechanism
JPS63210197A (en) Lubricating oil composition
JPH0813982B2 (en) Lubricating base oil composition for internal combustion engine
JPS6366296A (en) Lubricating oil composition
JPS6044593A (en) General-purpose grease composition
JP6219203B2 (en) Lubricating oil composition for agricultural machinery
JP3488920B2 (en) Automotive lubricant
JPS63210198A (en) Multigrade engine oil composition
JP2504778B2 (en) Oil-impregnated bearing oil
EP3178910B1 (en) Grease composition
US11739281B2 (en) Use of a lubricant composition for transmission
JP6289408B2 (en) Lubricating oil composition
JPH09208976A (en) Gear oil and its production
JP2019532157A (en) Lubricant composition
JP2010090243A (en) Grease composition for constant velocity joint and constant velocity joint
JP4198391B2 (en) Lubricant composition
JP2022041932A (en) Lubricating oil additive agent composition, lubricating oil composition containing lubricating oil additive agent composition, and application of lubricating oil additive agent composition
WO2022201845A1 (en) Lubricant composition for internal combustion engine
JPH06313184A (en) Grease composition

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees