WO2008038701A1 - Composition d'huile lubrifiante - Google Patents
Composition d'huile lubrifiante Download PDFInfo
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- WO2008038701A1 WO2008038701A1 PCT/JP2007/068779 JP2007068779W WO2008038701A1 WO 2008038701 A1 WO2008038701 A1 WO 2008038701A1 JP 2007068779 W JP2007068779 W JP 2007068779W WO 2008038701 A1 WO2008038701 A1 WO 2008038701A1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/10—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
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- 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
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/044—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms having cycloaliphatic groups
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- 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
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- 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
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- 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
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- 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
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/086—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing sulfur atoms bound to carbon atoms of six-membered aromatic rings
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- 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
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
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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
- 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
- C10M2223/043—Ammonium or amine salts thereof
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
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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
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- 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
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- 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
Definitions
- the present invention relates to a lubricating oil composition, and more specifically, a lubricating oil composition that has excellent seizure resistance and fatigue resistance and has sludge generation suppressed in an oxidation test, particularly for wind power generation.
- the present invention relates to a lubricating oil composition suitable as a speed increaser oil composition.
- Wind power generation using wind power uses propellers and other rotors that rotate in response to wind to convert the kinetic energy of the wind into power, which is then used to drive the generator and convert it into electric energy.
- Lubricating oil compositions used in wind power gearboxes include, for example, extreme pressure compounds containing ⁇ sulfur compounds, (b) mixtures of hydrocarbylamine compounds and alkyl phosphorothioate compounds, (c) for friction adjustment
- a lubricating oil composition containing a compound and (d) a base oil has been proposed (see, for example, Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2005_126709
- the present invention is a lubricating oil composition that is excellent as seizure resistance and fatigue resistance, and is suitable as a step-up gear oil composition for wind power generation in which sludge generation is suppressed in an oxidation test. Is intended to provide.
- the present inventors have found that the base oil contains a specific acidic alkyl phosphate ester, an alkyl amine, It has been found that a lubricating oil composition comprising a combination of specific sulfur compounds and containing P and S in a predetermined ratio can meet the purpose.
- the present invention has been completed based on such knowledge.
- R represents a hydrocarbyl group having 6 to 20 carbon atoms.
- Lubrication becomes ⁇ to 1 ⁇ 0 Weight 0/0 formulation, and the P content in the composition is characterized in that 150 to 500 mass ppm;! A Chiorin trihydrocarbyl ester represented 0 ⁇ in Oil composition,
- the present invention is excellent in seizure resistance and fatigue resistance such as FZG micropitting resistance, and is suitable as a speed increasing oil composition for wind power generation in which sludge generation is suppressed in an oxidation test.
- a lubricating oil composition can be provided.
- the lubricating oil composition of the present invention comprises a base oil, (A) an alkyl alkyl phosphate having 6 to 20 carbon atoms in an alkyl group, (B) a dialkylamine and / or a trialkylamine, In addition, (C) (c 1) a sulfur compound not containing polysulfur bonds of S—S—S or more in the molecule and having an S content of 15% by mass or more in the molecule is defined as 0.2 to 0.6% by weight and optionally (c 2) —general formula (I)
- R represents a hydrocarbyl group having 6 to 20 carbon atoms.
- the base oil used in the lubricating oil composition of the present invention those having a kinematic viscosity at 40 ° C. in the range of 30 to 800 mm 2 / s and a viscosity index of 80 or more are preferable. If the kinematic viscosity at 40 ° C is 30 mm 2 / s or more, the evaporation loss is small. On the other hand, if it is 800 mm 2 / s or less, the power loss due to viscous resistance is not so large. More preferably 40 ° C kinematic viscosity is 32 ⁇ 680mm 2 / s, it is preferable in particular 100 to 500 mm 2 / s. If the viscosity index is 80 or more, the change in viscosity due to a change in temperature is small. The viscosity index is more preferably 100 or more, and further preferably 130 or more.
- the pour point is preferably -25 ° C or lower. When this pour point is ⁇ 25 ° C. or lower, the resulting lubricating oil composition has sufficient fluidity even in a low temperature environment. This pour point is more preferably 30 ° C or lower, and further preferably 40 ° C or lower.
- the kinematic viscosity and viscosity index are values measured according to JIS K 2283, and the pour point is a value measured according to JIS K 2265.
- the base oil it is possible to use both mineral oils and synthetic oils that are not particularly limited in their types.
- various conventionally known mineral oils are used.
- paraffin-based mineral oils, intermediate-based mineral oils, naphthenic-based mineral oils, etc. and specific examples include light neutral oil, medium neutral oil, heavy neutral oil by solvent refining or hydrogen refining, or Bright stock etc.
- synthetic oil various conventionally known oils can also be used.
- poly ⁇ -olefin, polybutene, polyol ester, dibasic acid ester, phosphoric ester ester, polyphenyl ether, alkylbenzene, alkyl Naphthalene, polyoxyanol glycolene, neopentino glycolol, silicone oil, trimethylol propane, pentaerythritol, hindered ester and the like can be used.
- base oils can be used alone or in combination of two or more kinds, and mineral oil and synthetic oil may be used in combination.
- the acidic phosphoric acid alkyl ester having an alkyl group having a carbon number of ⁇ 20 used as the component ( ⁇ ) has the general formula ( ⁇ )
- a compound represented by the following can be used.
- X 1 represents a hydrogen atom or an alkyl group having 6 to 20 carbon atoms
- X 2 represents an alkyl group having 6 to 20 carbon atoms.
- Examples of the alkyl group having 6 to 20 carbon atoms may be linear, branched or cyclic. Examples thereof include various hexyl groups, octyl groups, decyl groups, dodecyl groups, tetradecyl groups, hexadecyl groups. Group, octadecyl group, icosyl group and the like. Among these, an alkyl group having 10 to 18 carbon atoms is preferable.
- Examples of the acidic phosphoric acid alkyl esters represented by the general formula ( ⁇ ) include monoota
- Nomyristyl acid phosphate Nomyristyl acid phosphate, monopalmityl acid phosphate, monostearinole Acid phosphate monoesters such as acid phosphate, dioctyl acid phosphate, sulfate, di (tridecyl) acid phosphate, dipalmityl acid phosphate, distearyl acid phosphate and the like.
- the acidic phosphates may be used alone or in combination of two or more.
- the blending amount requires that the total P content in the lubricating oil composition be 150 to 500 ppm by mass. If the P content is less than 150 ppm by mass, the seizure resistance is insufficient. On the other hand, if it exceeds 500 ppm by mass, the fatigue resistance (FZG micropitting resistance) decreases. More preferred! /, P content is 250 to 450 ppm by mass, more preferably 350 to 400 ppm by mass.
- dialkylamines and / or trialkylamines used as the component (B) preferably have 6 to 20 carbon atoms in the alkyl group.
- dialkylamines examples include dihexylamine, dicyclohexylamine, dioctylamine, dilaurylamine, distearylamine, and examples of trialkylamines include trihexylamine, tricyclohexylamine, trioctylamine. Amamine, trilaurylamine, tristearylamine and the like can be mentioned.
- the dialkylamines or trialkylamines may be used alone or in combination of two or more thereof. Among them, trialkylamines are preferable from the viewpoint of performance. In addition, seizure resistance decreases with monoalkylamines.
- the blending amount of the component (B) is preferably selected so that the mass ratio of [P in the component (A)] / [N in the component (B)] is 1.7 to 2.1. If the mass ratio is 1.7 or more, seizure resistance is good, and if it is 2.1 or less, the formation of sludge in the oxidation test is suppressed.
- the sulfur compound of component (C) contains no S-S-S or higher polysulfur bond and the S content in the molecule A sulfur compound with a content of 15% by weight or more, and optionally (c 2) —the general formula (I)
- R represents a hydrocarbyl group having 6 to 20 carbon atoms.
- the sulfur compound of component (c 1) is a compound having a polysulfur bond greater than or equal to S—S—S in the molecule, in addition to the generation of sludge in the Indiana oxidation test, the FZG resistance against micropitting Decreases.
- the S content in the molecule is less than 15% by mass, the effect of adding the sulfur compound may not be sufficiently exerted, and the seizure resistance may be insufficient.
- the following compound can be cited by the force S.
- olefin fin for example, the following general formula (III) R 1 — S -R 2 ---(I)
- R 1 represents an alkenyl group having 2 to 15 carbon atoms
- R 2 represents an alkyl group or alkenyl group having 2 to 15 carbon atoms
- a represents 1 or 2.
- This compound is obtained by reacting olefins having 2 to 15 carbon atoms or dimers or tetramers thereof with a sulfurizing agent such as sulfur or sulfur chloride.
- a sulfurizing agent such as sulfur or sulfur chloride.
- the olefins include propylene, isobutene and diisobutene. Is preferred.
- R 3 and R 4 are each an alkyl group or cyclic alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an alkylaryl group having 7 to 20 carbon atoms, or 7 to 20 carbon atoms. And these may be the same or different from each other.
- B represents 1 or 2.
- R 3 and R 4 are alkyl groups, they are referred to as alkyl sulfides.
- Examples of the dihydrocarbyl mono or disulfide represented by the general formula (IV) include dibenzyl mono or disulfide, various dinonyl mono or disulfide, various didodecyl mono or disulfide, various dibutyl mono or disulfide, various dioctyl mono or Preferred examples include disulfide, diphenyl mono or disulfide, dicyclohexyl mono or disulfide.
- Examples of the thiadiazole compound include 2,5 bis (n-hexyldithio) 1,3,4-chiasia zonole, 2,5 bis (n otachinoreschio) 1,3,4 thiodiazonore, 2,5-bis (n nonyldithio) ) 1, 3, 4-thiadiazole, 2,5-bis (1, 1, 3, 3, 3-tetramethinolevbutinoresitio) 1, 3, 4-thiadiazonore, 3,5-bis (n-hexinoresio) 1 , 2, 4—Thiadiazoles, 3, 6—Bis (n otachinoreschio) 1, 2, 4—Thiadiazoles, 3,5 Bis (n nonyldithio) 1, 2, 4 Thiadiazoles, 3, 5—Bis (1, 1, 3 , 3—Tetramethino Lebutino Resio) 1, 2, 4—Thiasia zonole, 4, 5 Bis (n-octyldithio) 1, 2, 3 thiadiazole
- Dithiocarnoite compounds include alkylene bisdialkyl dithiocarnomates. Among them, alkylene groups having 1 to 3 carbon atoms, linear or branched saturated or unsaturated alkyl groups having 3 to 20 carbon atoms, or A compound in which! / Is a cyclic alkyl group having 6 to 20 carbon atoms is preferably used. Specific examples of such a dithiocarbamate compound include one noite and methylenebistridecyl dithiocarnoite.
- ester compounds having a disulfide structure include general formula (V)
- the disulfide compound represented by these is used.
- R 5 and R 6 are each independently a hydrocarbyl group having 1 to 30 carbon atoms, preferably 1 to 20 carbon atoms, more preferably 2 to 18 carbon atoms, particularly 3 carbon atoms. ⁇ 18 hydrocarbyl groups are preferred.
- the hydrocarbyl group may be linear, branched, or cyclic, and may contain an oxygen atom, a sulfur atom, or a nitrogen atom.
- R 5 and R 6 may be the same or different from each other, but they are preferably the same for reasons of manufacturing.
- a 1 and A 2 are each independently a group represented by CR 7 R 8 or CR 7 R 8 — CR 9 R 1Q , and R 7 to R 1Q are each independently a hydrogen atom or a carbon number. 1-20 hydrocarbyl groups.
- the hydrocarbyl group preferably has 1 to 12 carbon atoms, and more preferably has 8 to 8 carbon atoms.
- a 1 and A 2 may be the same or different from each other, but are preferably the same for manufacturing reasons.
- R u , R 12 , R 16, and R 17 are each independently a hydrocanolevinole group having 1 to 30 carbon atoms, preferably carbon number; Further, a hydrocarbyl group having 2 to 18 carbon atoms, particularly 3 to 18 carbon atoms is preferable.
- the hydrocarbyl group may be linear, branched, or cyclic, and may contain an oxygen atom, a sulfur atom, or a nitrogen atom.
- R u , R 12 , R 16 and R 17 may be the same or different from each other, but are preferably the same for manufacturing reasons.
- R 13 to R 15 and R 18 to R 2 ° are each independently a hydrogen atom or a hydrocarbyl group having 1 to 5 carbon atoms.
- a hydrogen atom is preferable because the raw material is easily available.
- disulfide compound represented by the general formula (V) include bis (methoxycarbonylmethyl) disulfide, bis (ethoxycarbonylmethyl) disulfide, bis (n-propoxycarbonylmethyl) disulfide, and bis (isopropoxy).
- Carbonylmethyl) ditoxoxycarbonylruthenole) disulfide 1,1 bis (1-methoxycarbonolulu-n-propinole) disulfide, 1,1 bis (1-methoxycarbonolulubutynole) disulfide, 1,1-bis (1-methoxycarbox) 2-ruxhexyl) disulfide, 1,1-bis (1-methoxycarbonylnioctinole) disulfide, 2,2-bis (2-methoxycarbodilu-propinole) disulfide, ⁇ , a bis ( ⁇ -methoxy) Carbonylbenzinore) disulfide, 1, 1 bis (2 —Methoxycarboletinole) disulfide, 1,1 bis (2-ethoxycarbonylethyl) disulfide, 1,1 bis (2- ⁇ propoxycarbonylethyl) disunorefido, 1,1 bis (2-isopropoxycarbonylruthenole)
- disulfide compound represented by the general formula (VI) include tetramethyl dithiomalate, tetraethyl dithiomalate, tetra-1-propyl dithiomalate, dithio Tetra-2-propyl oleate, tetra-1-butyl dithiomalate, tetra-2-butyl dithiomalate, tetraisobutyl dithiomalate, tetra-1-dithiomalate, tetra-1-octyl dithiomalate, tetra-1-dithiomalate (2-ethyl) Hexyl, tetra-dithiomalate 1- (3,5,5-trimethyl) hexyl, tetra-decyl dithiomalate, tetra-1-didecyl malate, tetra-deciolate dithiomalate, 1-hexadecyl dithi
- sulfur compounds include sulfurized lard, sulfurized rapeseed oil, sulfurized castor oil, sulfurized soybean oil, sulfurized rice bran oil, sulfurized fats and oils such as thioglycolic acid and sulfurized oleic acid, dilauryl thiodipropionate, disulfide.
- sulfurized lard sulfurized rapeseed oil
- sulfurized castor oil sulfurized soybean oil
- sulfurized rice bran oil sulfurized fats and oils
- sulfurized fats and oils such as thioglycolic acid and sulfurized oleic acid, dilauryl thiodipropionate, disulfide.
- sulfurized fats and oils such as thioglycolic acid and sulfurized oleic acid, dilauryl thiodipropionate, disulfide.
- examples include stearyl thiodipropi compounds and thioterpene compounds obtained by reacting phosphorus pentasulfide with pinene
- the sulfur compound of component (c1) the above sulfur compounds may be used alone or in combination of two or more. Further, the blending amount of the component (c 1) requires that the lubricating oil composition contains 0.2 to 0.6 mass% as S. When the S content is less than 0.2% by mass, the seizure resistance is insufficient. On the other hand, when the S content exceeds 0.6% by mass, the fatigue resistance such as FZG micropitting resistance is inferior, and the Indiana oxidation test is performed. In this case, sludge generation increases. A preferable S content is 0.3 to 0.5% by mass.
- the Indiana oxidation test is performed by the following method.
- R in the general formula (I) represents a hydrocarbyl group having 6 to 20 carbon atoms.
- the hydrocarbyl group is a linear, branched or cyclic alkyl group or alkenyl group having 6 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms.
- one or more alkyl groups may be introduced on the aromatic ring.
- the three R 2 O groups may be the same or different.
- Examples of the alkyl group and alkenyl group having 6 to 20 carbon atoms include various hexyl groups, various octyl groups, various decyl groups, various dodecyl groups, various tetradecyl groups, various hexadecyl groups, various octadecyl groups, and cyclohexyl groups. Examples thereof include a xyl group, various hexenyl groups, various octenyl groups, various decenyl groups, various dodecenyl groups, various tetradecenyl groups, various hexadecenyl groups, various octadecenyl groups, and cyclohexenyl groups.
- Examples of the aryl group having 6 to 20 carbon atoms include phenyl group, tolyl group, xylyl group, decylphenyl group, 2,4 didecylphenyl group, naphthyl group, etc., and aralkyl group having 7 to 20 carbon atoms. Examples thereof include a benzyl group, a phenethyl group, a naphthylmethyl group, a methylbenzyl group, a methylphenethyl group, and a methylnaphthylmethyl group.
- trihydrocarbyl thiophosphate represented by the general formula (I) include trihexyl thiophosphate, tri-2-ethylhexyl thiophosphate, tris (decyl) thiophosphate, trilauryl thiophosphate, Trimyristyl thiophosphate, tripalmityl thiophosphate, tristearyl thiophosphate, trioleyl thiophosphate, tricresyl thiophosphate, trixylyl thiophosphate, tris (decylphenyleno) thiophosphate, tris [2,4 isoalkyl (C, C ) Hueninore] Choophoshue
- thiophosphate trihydrocarbyl phosphates are a single type. You can use it alone or in combination of two or more.
- the thiophosphoric acid trihydrocarbyl ester of the component (c 2) is added as desired in order to further enhance the effect of adding the sulfur compound of the component (c 1).
- the amount added is preferably in the range of 0.;! To 1.0% by mass, more preferably 0.2 to 0.5% by mass, based on the total amount of the lubricating oil composition.
- the total P content in the lubricating oil composition must be 150 to 500 ppm by mass.
- a partial ester of polyol can be further blended as component (D) if desired.
- This component (D) has an effect of further suppressing sludge formation in the Indiana oxidation test!
- the polyol used as a raw material for the partial ester of the polyol is not particularly limited, and 1S aliphatic polyol is preferred, such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, trimethylene glycol, tetramethylene glycol, Dihydric alcohols such as neopentyl glycol, trihydric alcohols such as glycerin, trimethylol ethane, trimethylol propane, etc. Can you mention an ano rekorenore?
- the number of ester bonds in the partial ester is not particularly limited as long as at least one hydroxyl group remains.
- the hydrocarbyl group constituting the ester bond is preferably an alkyl group or alkenyl group having 6 to 20 carbon atoms, such as various hexyl groups, octyl groups, decyl groups, dodecyl groups, tetradecyl groups, hexadecyl groups, Examples thereof include an otadecyl group, a hexenyl group, an otatur group, a decenyl group, a dodecenyl group, a tetradecenyl group, a hexadecenyl group, and an octadecenyl group.
- partial ester of the polyol examples include neopentyl dallicol monolaurate, neopentinoreglycolole monomyristate, neopentinoreglycololemononoremitate, neopentinoreglycolole monostearate, neopentinorelate.
- Glycolol monoisostearate trimethylolpropane mono or dilaurate, trimethylolpropane mono or dimyristate, trimethylolpropane mono or dipalmitate, trimethylolpropane mono or distearate, trimethylolpropane mono or diisostearate, glyceride Forces S that can include phosphorus mono or dilaurate, glycerin mono or distearate, glycerin mono or diisostearate, and the like are not limited thereto.
- a partial ester of polyol may be used alone or in combination of two or more.
- the blending amount is usually about 5 to 20% by mass, preferably 7 to 15% by mass based on the total amount of the composition from the viewpoint of the effect of suppressing sludge generation in the Indiana oxidation test.
- various additives such as an ashless detergent dispersant, an antioxidant, an antifungal agent, and a metal deactivator may be used as necessary without departing from the object of the present invention. It is possible to combine at least one selected from an agent, a viscosity index improver, a pour point depressant and an antifoaming agent.
- succinimides for example, succinimides, boron-containing succinic acid imides, benzylamines, boron-containing benzylamines, succinic acid esters, fatty acids or succinic acid can be used.
- carboxylic acid amides for example, succinimides, boron-containing succinic acid imides, benzylamines, boron-containing benzylamines, succinic acid esters, fatty acids or succinic acid can be used.
- carboxylic acid amides for example, succinimides, boron-containing succinic acid imides, benzylamines, boron-containing benzylamines, succinic acid esters, fatty acids or succinic acid can be used.
- carboxylic acid amides for example, succinimides, boron-containing succinic acid imides, benzylamines, boron-containing benzylamines, succinic acid esters, fatty acids
- amine-based antioxidants As the antioxidant, amine-based antioxidants, phenol-based antioxidants and sulfur-based antioxidants conventionally used in lubricating oils can be used. These antioxidants can be used singly or in combination of two or more.
- amine-based antioxidants include monoalkyldiphenylamine compounds such as monooctyldiphenylamine and monononyldiphenylamine, 4, 4 ′ dibutyldiphenylamine, 4, 4′- Dipentyldiphenylamine, 4,4'-dihexyldiphenylamine, 4,4'-diheptyldiphenylamine, 4,4'-dioctyldiphenylamine, 4,4'-dinonyldiphenylamine, etc.
- Dialkyldiphenylamine compounds tetrabutyldiphenylamine, tetrahexyldiphenylamine, tetraoctyldiphenylamine, polyalkyldiphenylamine compounds such as tetranonyldiphenylamine, ⁇ -naphthylamine, phenyl- ⁇ Naphthylamine, butyl phenyl ⁇ naphthylamine, pentylphenyl ⁇ naphthylamine Hexyl phenyl chromatography ⁇ Nafuchiruamin, Hepuchirufu Eninore ⁇ Nafuchinoreamin, O lipped Honoré Hue Nino rate ⁇ Nafuchinoreamin include Nafuchiruamin based compounds such as Noninorefue two Honoré ⁇ Nafuchiruamin.
- phenolic antioxidants examples include 2,6-di-tert-butyl-4-methyl.
- Monophenolic compounds such as phenol, 2, 6 di tert butyl-4-ethyl phenol, octadecyl 3- (3.5-di tert butyl 4-hydroxyphenol) propionate, 4, 4'-methylene bis (2, 6 di tert butyl phenol),
- diphenolic compounds such as 2,2, -methylenebis (4-ethyl-6-tert butylphenol).
- sulfur-based antioxidants examples include 2, 6-di-tert-butyl 4- (4,6 bis (octylthio) -1,3,5 triazine-2-ylamino) phenol, and a reaction product of phosphorus pentasulfide and pinene.
- dialkylthiodipropionates such as thioterpene compounds, dilauryl thiodipropionate, and distearyl thiodipropionate.
- antifungal agents include metal sulfonates and succinates, and examples of metal deactivators include benzotriazole and thiadiazole.
- viscosity index improvers include polymers.
- Tatalylate dispersed polymetatalylate, olefinic copolymer (eg, ethylene propylene copolymer), dispersed olefinic copolymer, styrene copolymer (eg, styrene-hydrogenated copolymer) Etc.).
- olefinic copolymer eg, ethylene propylene copolymer
- dispersed olefinic copolymer eg, ethylene propylene copolymer
- styrene copolymer eg, styrene-hydrogenated copolymer
- pour point depressant use of polymetatalylate having a weight average molecular weight of about 50,000 to 150,000, etc., is performed with a force S.
- a polymer silicone-based antifoaming agent or a polyacrylate-based antifoaming agent is preferred.
- the polymeric silicone antifoaming agent include organopolysiloxane, and fluorine-containing organopolysiloxane such as trifluoropropylmethyl silicone oil is particularly suitable.
- the lubricating oil composition of the present invention is excellent in seizure resistance and fatigue resistance (FZG micropitting resistance, etc.) and generates less sludge in oxidation tests.
- it is used as various lubricating oils such as gear oil and bearing oil.
- it is suitable as a lubricating oil used in a planetary gear type power transmission device used in a wind power generator.
- the present invention is a lubricating oil composition comprising a base oil, the components (A) to (C), and further these components and the component (D). , (A) to (C), and a lubricating oil composition containing these components and (D).
- test was conducted according to the method described in the specification text. 451bs or more pass.
- each component used for preparation of a lubricating oil composition is as follows.
- Base oil PAO, a-olefin oligomer, 40 ° C kinematic viscosity 390mm 2 / s, viscosity index 149, pour point 50 ° C or less
- Butene sulfide containing trisulfide bond (mono, di, tri, tetrasulfide S: x average value
- Partial ester ester of trimethylolpropane and isostearic acid (molar ratio 1: 2)
- Complete ester ester of trimethylolpropane and isostearic acid (molar ratio 1: 3)
- a lubricating oil composition having the composition shown in Table 1 was prepared, and various properties of the composition were determined. The results are shown in Table 1.
- Example 6 no polyol partial ester was added, and in Example 7, a complete polyol ester was added. In both cases, sludge generation was slightly higher in the Indiana oxidation test.
- Example 8 acidic 2-ethylhexyl ester having an alkyl group having 8 carbon atoms is used as the acidic phosphate ester, and sludge generation is slightly increased in the Indiana oxidation test.
- any one of the prescribed requirements in the present invention is removed, and therefore the performance is inferior to that of the Examples.
- the lubricating oil composition of the present invention is excellent in seizure resistance and fatigue resistance such as FZG micropitting resistance, and various lubricating oils such as gear oils and bearing oils that generate less sludge in an oxidation test, especially wind power. It is suitable as a lubricating oil used in a speed increaser such as a planetary gear type power transmission device used in a generator.
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800360255A CN101517056B (zh) | 2006-09-28 | 2007-09-27 | 润滑油组合物 |
US12/443,185 US20100009880A1 (en) | 2006-09-28 | 2007-09-27 | Lubricating oil composition |
EP07828525A EP2067846B1 (en) | 2006-09-28 | 2007-09-27 | Lubricating oil composition |
ES07828525T ES2384584T3 (es) | 2006-09-28 | 2007-09-27 | Composición de aceite lubricante |
JP2008536419A JP5373400B2 (ja) | 2006-09-28 | 2007-09-27 | 潤滑油組成物 |
IN1716CHN2009 IN2009CN01716A (ja) | 2006-09-28 | 2009-03-26 | |
US14/063,368 US20140051618A1 (en) | 2006-09-28 | 2013-10-25 | Lubricating oil composition |
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JP2006265785 | 2006-09-28 | ||
JP2006-265785 | 2006-09-28 |
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US12/443,185 A-371-Of-International US20100009880A1 (en) | 2006-09-28 | 2007-09-27 | Lubricating oil composition |
US14/063,368 Continuation US20140051618A1 (en) | 2006-09-28 | 2013-10-25 | Lubricating oil composition |
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WO2008038701A1 true WO2008038701A1 (fr) | 2008-04-03 |
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PCT/JP2007/068779 WO2008038701A1 (fr) | 2006-09-28 | 2007-09-27 | Composition d'huile lubrifiante |
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US (2) | US20100009880A1 (ja) |
EP (1) | EP2067846B1 (ja) |
JP (2) | JP5373400B2 (ja) |
CN (1) | CN101517056B (ja) |
ES (1) | ES2384584T3 (ja) |
IN (1) | IN2009CN01716A (ja) |
WO (1) | WO2008038701A1 (ja) |
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WO2010084966A1 (ja) | 2009-01-23 | 2010-07-29 | 出光興産株式会社 | 歯車用潤滑油 |
WO2010128658A1 (ja) * | 2009-05-08 | 2010-11-11 | 出光興産株式会社 | 生分解性潤滑油組成物 |
WO2011068137A1 (ja) * | 2009-12-03 | 2011-06-09 | 出光興産株式会社 | 潤滑油組成物 |
CN102421882A (zh) * | 2009-05-15 | 2012-04-18 | 出光兴产株式会社 | 生物降解性润滑油组合物 |
WO2015064722A1 (ja) | 2013-10-30 | 2015-05-07 | 出光興産株式会社 | 潤滑油組成物 |
JP2016079206A (ja) * | 2014-10-10 | 2016-05-16 | Jx日鉱日石エネルギー株式会社 | 潤滑油組成物 |
JP2016079205A (ja) * | 2014-10-10 | 2016-05-16 | Jx日鉱日石エネルギー株式会社 | 潤滑油組成物 |
CN108026467A (zh) * | 2015-08-14 | 2018-05-11 | 范德比尔特化学品有限责任公司 | 改善的抗氧化剂组合物和含有所述抗氧化剂组合物的润滑组合物 |
WO2019221111A1 (ja) | 2018-05-18 | 2019-11-21 | 出光興産株式会社 | 潤滑油組成物 |
WO2023189695A1 (ja) * | 2022-03-30 | 2023-10-05 | 出光興産株式会社 | 潤滑油組成物 |
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JP2011190331A (ja) * | 2010-03-12 | 2011-09-29 | Idemitsu Kosan Co Ltd | 潤滑油組成物 |
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WO2010084966A1 (ja) | 2009-01-23 | 2010-07-29 | 出光興産株式会社 | 歯車用潤滑油 |
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CN108026467A (zh) * | 2015-08-14 | 2018-05-11 | 范德比尔特化学品有限责任公司 | 改善的抗氧化剂组合物和含有所述抗氧化剂组合物的润滑组合物 |
WO2019221111A1 (ja) | 2018-05-18 | 2019-11-21 | 出光興産株式会社 | 潤滑油組成物 |
US11473030B2 (en) | 2018-05-18 | 2022-10-18 | Idemitsu Kosan Co., Ltd. | Lubricant composition |
WO2023189695A1 (ja) * | 2022-03-30 | 2023-10-05 | 出光興産株式会社 | 潤滑油組成物 |
Also Published As
Publication number | Publication date |
---|---|
ES2384584T3 (es) | 2012-07-09 |
EP2067846B1 (en) | 2012-03-21 |
US20100009880A1 (en) | 2010-01-14 |
US20140051618A1 (en) | 2014-02-20 |
JP5710720B2 (ja) | 2015-04-30 |
JPWO2008038701A1 (ja) | 2010-01-28 |
EP2067846A1 (en) | 2009-06-10 |
IN2009CN01716A (ja) | 2015-07-10 |
EP2067846A4 (en) | 2011-03-02 |
CN101517056A (zh) | 2009-08-26 |
JP2014012855A (ja) | 2014-01-23 |
CN101517056B (zh) | 2012-11-14 |
JP5373400B2 (ja) | 2013-12-18 |
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