WO2007021014A1 - Composition d'huile lubrifiante - Google Patents

Composition d'huile lubrifiante Download PDF

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Publication number
WO2007021014A1
WO2007021014A1 PCT/JP2006/316274 JP2006316274W WO2007021014A1 WO 2007021014 A1 WO2007021014 A1 WO 2007021014A1 JP 2006316274 W JP2006316274 W JP 2006316274W WO 2007021014 A1 WO2007021014 A1 WO 2007021014A1
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WIPO (PCT)
Prior art keywords
group
carbon atoms
acid
metal
metal salt
Prior art date
Application number
PCT/JP2006/316274
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English (en)
Japanese (ja)
Inventor
Hitoshi Komatsubara
Shigeki Matsui
Original Assignee
Nippon Oil Corporation
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37757664&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2007021014(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Oil Corporation filed Critical Nippon Oil Corporation
Priority to CN2006800375881A priority Critical patent/CN101283079B/zh
Priority to EP06782833A priority patent/EP1918356B1/fr
Publication of WO2007021014A1 publication Critical patent/WO2007021014A1/fr
Priority to US12/026,670 priority patent/US20080139424A1/en

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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
    • C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • 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
    • 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
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/146—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings having carboxyl groups bound to carbon atoms of six-membeered aromatic rings having a hydrocarbon substituent 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
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C—CHEMISTRY; METALLURGY
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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
    • C10M2215/06—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
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
    • C—CHEMISTRY; METALLURGY
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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
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046—Overbasedsulfonic acid salts
    • C—CHEMISTRY; METALLURGY
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    • 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
    • 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
    • C10M2219/108—Phenothiazine
    • 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
    • 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
    • C10M2223/041—Triaryl phosphates
    • 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
    • C10M2223/042—Metal salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • 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
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/047—Thioderivatives not containing metallic elements
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • C10M2223/049—Phosphite
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
    • 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
    • C10N2010/02—Groups 1 or 11
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/52—Base number [TBN]
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/74—Noack Volatility
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/76—Reduction of noise, shudder, or vibrations
    • 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
    • C10N2040/045—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for continuous variable transmission [CVT]
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/14—Chemical after-treatment of the constituents of the lubricating composition by boron or a compound containing boron

Definitions

  • the present invention relates to a lubricating oil composition suitable for a transmission having a slip-controlled wet clutch, and more specifically, when a specific salicylate-based detergent is used, an excellent metal preform and metal belt.
  • a clear, slip-controlled wet clutch and metal belt that have anti-wear and initial anti-shoulder performances and can maintain the anti-shudder performance for a long period of time.
  • Recent automatic transmissions are desired to be lighter and smaller, and as the combined engine increases in output, the power transmission capacity is being improved.
  • the lubricating oil used in these materials is required to have high lubrication performance, that is, performance that prevents wear on the surfaces of bearings, gears, and the like.
  • the torque transmitted between the metal pulley and the metal belt is increasing with the increase in engine output.
  • a high transmission torque capacity is required, and the ability to prevent wear on the metal surface between the metal bouley and the metal belt is particularly required.
  • Patent Document 1 includes a specific amount of calcium salicylate and SP-based extreme pressure agent, a specific amount of succinic acid imide and boron-containing ashless dispersant, which has excellent anti-shudder life and fatigue life.
  • a long-lasting transmission lubricant composition is disclosed in Patent Document 2 as an essential component of an organic acid metal salt having a specific structure, an antiwear agent, and a succinic acid imide containing fluorine.
  • Patent Document 3 includes calcium salicylate and phosphorus-based antiwear agent.
  • Patent Document 4 Incorporates a friction modifier and a dispersion-type viscosity index improver, which achieves both high metal-to-metal friction coefficient and anti-shudder properties for the slip control mechanism, and can be used for a long time.
  • Oil In Patent Document 4 a dithiocarbamate compound, a condensate of a branched fatty acid having 8 to 30 carbon atoms and an amine, and an amine-based antioxidant are blended to provide excellent anti-shudder performance.
  • Patent Document 5 contains calcium sulfonate and phosphite, as well as a sarcosine derivative or a reaction product of carboxylic acid and amino acid.
  • An automatic transmission oil composition that has anti-shudder performance against a capping device and has long life performance against a belt type CVT device is disclosed in Patent Document 6 as a specific alkali.
  • a slip controller that contains a specific amount of earth metal sulfonate. It is excellent in oxidation stability as a built-in automatic transmission.
  • Automatic transmission fluid composition is disclosed having a long-term durability performance is sustained by.
  • the transmission has a slip control type wet clutch, especially in a continuously variable transmission in which a metal boule and a metal belt are in contact with each other under severe conditions, it is unique to the slip control type wet clutch. There is no disclosure or suggestion of a solution to prevent long-term shudder over time
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2 2003-1 1 3 3 91
  • Patent Document 2 Japanese Patent Laid-Open No. 2 0 0 1-3 2 3 2 92
  • Patent Document 3 Japanese Patent Laid-Open No. 2 00 0-3-5 5 6 95
  • Patent Document 4 Japanese Patent Application Laid-Open No. 11-500 0 7
  • Patent Document 5 Japanese Patent Application Laid-Open No. 10-3020 692
  • Patent Document 6 Japanese Patent Laid-Open No. 10-2 5 4 8 7
  • Patent Document 7 Japanese Laid-Open Patent Publication No. 20 0 4 1 6 7 8 12
  • the object of the present invention is to provide an excellent metal boot and metal belt wear resistance and the first shader even when a monoalkyl type salicylate detergent is used.
  • Non-slip control wet clutch, metal pulley, and gold-metal continuously variable transmission that have anti-slip performance and can maintain anti-shudder performance for a long period of time, continuously variable transmission with slip-control start clutch
  • a lubricating oil composition suitable for a machine is provided.
  • the lubricating base oil contains (A) a monoalkyl salicylic acid metal salt having a composition ratio of 85 to 100 mo 1% and a dialkyl salicylic acid ⁇ salt having a composition ratio of 0 to 15 mo 1%.
  • R 1 is a linear or branched alkyl group having 1 to 30 carbon atoms
  • R 2 is a hydrogen atom or a linear or branched group having 1 to 24 carbon atoms.
  • Each represents a branched alkyl group
  • a and b each independently represent 1, 2 or 3.
  • the lubricating oil composition comprises a friction modifier, particularly an amine friction modifier and / or a fatty acid friction modifier. It is preferable that an agent is included.
  • the lubricating oil composition preferably contains calcium sulfonate and / or magnesium sulfonate.
  • the lubricating oil composition preferably contains a non-boron ashless dispersant and / or a boron ashless dispersant.
  • the alkyl salicylic acid metal salt is a secondary monoalkyl type alkyl salicylic acid metal salt.
  • the lubricating oil composition is preferably for a continuously variable transmission having a metal pulley and a metal belt.
  • the slip control type wet clutch is a slip control type start clutch.
  • the present invention also relates to a continuously variable transmission having a metal pulley and a metal belt, and a method for lubricating a Z or slip control type wet clutch, characterized by using the lubricating oil composition.
  • the present invention is described in detail below.
  • the lubricating base oil in the lubricating oil composition of the present invention is not particularly limited, and mineral oil base oils and synthetic base oils used for ordinary lubricating oils can be used.
  • mineral base oils lubricating oil fractions obtained by depressurizing and distilling atmospheric residual oil obtained by atmospheric distillation of crude oil can be desolvated, solvent extracted, and hydrocracked.
  • synthetic base oils specifically, polybutene or a hydride; 1- Okute N'ori Goma, 1 Desen'ori sesame Chief poly - a Orebuin or its hydrogenated product; Jito Li decyl glutarate, di one 2 -Ethylhexyl adipate, diisodecyl adipate, ditridecyl adipate, and 2-diethyl oleyl sebacate-neopentinolegrinole enoestole, trimethylone lepropan caprylate, trimethy mouthful Polypropane esters such as lepropane pelargonate, pentaerythritol, 2-ethylenolehexanoate, and pentaerythritol pelargonate; aromatic synthetic oils such as alkylnaphthalene, alkylbenzene, and aromatic ester, or mixtures thereof it can.
  • the above mineral base oil, the above synthetic base oil, or an arbitrary mixture of two or more selected from these can be used.
  • examples thereof include one or more mineral base oils, one or more synthetic base oils, and a mixed oil of one or more mineral base oils and one or more synthetic base oils. '.
  • the kinematic viscosity of the lubricating base oil used in the present invention is not particularly limited, but the kinematic viscosity at 100 ° C. is preferably 2 ′ to 8 mm. 2 / s, more preferably 2.5 to 6 It is desirable to adjust to mm 2 / s, particularly preferably 3 to 4.5 mm 2 / s.
  • Lubrication When the kinematic viscosity of the oil base oil at 100 ° C exceeds 8 mm 2 / s, the low-temperature viscosity characteristics deteriorate, while when the kinematic viscosity is less than 2 mm 2 s, lubrication Insufficient oil film formation at the location is inferior in lubricity, and the evaporation loss of the lubricating base oil is increased, which is not preferable.
  • the sulfur content of the lubricating base oil used in the present invention is not particularly limited, but is preferably 0.1% by mass or less, more preferably 0.05% by mass or less, and even more preferably 0. 0 1% by mass or less is desirable. '
  • the amount of evaporation loss of the lubricating base oil is not particularly limited, but the NOACK evaporation amount is preferably 10 to 50% by mass, more preferably 20 to 40% by mass, and particularly preferably Is preferably adjusted to 2 2 to 35 mass%.
  • the NO ACK evaporation amount here means the evaporation amount measured according to CECL—40—T-87.
  • the kinematic viscosity at 100 ° C. is 1.5 to 3.5 mm 2 / s, preferably 2 to 3.2 mm 2 / s, more preferably 2 5-3 mm 2 / s, and the sulfur content is not more than 0.05% by mass, preferably not more than 0.01% by mass, more preferably not more than 0.05% by mass, NO AC K Evaporation amount is 20 to 80% by mass, preferably 30 to 65% by mass, more preferably 30 to
  • sulfur content is not more than 0.05 mass%, preferably not more than 0.01 mass%, more preferably not more than 0.00 mass%, 1 ⁇ 0 0 Evaporation amount of 5 to 20% by mass, preferably 10 to 18% by mass, more preferably 12 to 16% by mass of base oil.
  • the mixed base oil further has a kinematic viscosity at 100 ° C of 6 mm 2 / s or more, preferably 10 to 35 mm 2 / s, and a sulfur content of 0.0 5 to 1 Mass%, preferably 0.;!
  • NOACK evaporation amount is 10 mass% or less, preferably 5 mass% or less, more preferably 3
  • a small amount, for example, 5 to 30% by mass of a base oil having a mass% or less may be mixed.
  • the component (A) specified in the lubricating oil composition of the present invention has a composition ratio of monoalkyl salicylic acid metal salt of 85 to 100 mol% and a composition ratio of dialkyl salicylic acid metal salt of 0 to An alkyl salicylic acid metal salt having a composition ratio of 15 to 1 mo and a 3-alkyl salicylic acid metal salt of 40 to 100 mo 1%, and Z or a (per) salt basic salt thereof.
  • the monoalkyl salicylic acid metal salt here means an alkyl salicylic acid metal salt having one alkyl group, such as 3 monoalkyl salicylic acid gold horse salt, 4 monoalkyl salicylic acid metal salt, 5-alkyl salicylic acid metal salt, and the like.
  • the composition ratio of the salt is alkyl salicylic acid metal salt 10 0 mo 1. /.
  • 8 5 to 10 0 mo 1%, preferably 8 8 to 9 8 In ol%, more preferably 90 to 9 5 mo 1%, an alkyl salicylic acid metal salt other than a monoalkyl salicylic acid metal salt for example, the constituent ratio of the dialkyl salicylic acid metal salt is 0 to 15 mo 1%, preferably 2 to 12 mo 1%, more preferably 5 to 1 O HI O 1%.
  • the composition ratio of the 3-alkyl salicylic acid metal salt is 40 to 100 mol%, preferably 45 to 80 mol 1%, more preferably 5 to 100 mol 1 metal alkyl salt. 0 to 60 mol%.
  • the total composition ratio of 4-alkyl salicylic acid metal salt and 5-alkyl salicylic acid metal salt is the same as that for alkyl salicylic acid metal salt 10%, except for 3 -alkyl salicylic acid metal salt and dialkyl salicylic acid metal salt. 0 to 60 mo 1%, preferably 20 to 50 mo 1%, more preferably 30 to 45 mo 1%.
  • composition ratio of 3 —alkyl salicylate By making the composition ratio of 3 —alkyl salicylate more than 40 mo 1%, 5 The composition ratio of the monoalkyl salicylic acid metal salt can be made relatively low, and the oil solubility can be improved.
  • the alkyl group in the alkyl salicylic acid metal salt constituting the component (A) has 10 to 40 carbon atoms, preferably 10 to 1'9 carbon atoms or 20 to 30 carbon atoms, more preferably Is an alkyl group having 14 to 18 carbon atoms or 20 to 26 carbon atoms, particularly preferably an alkyl group having 14 to 1'8 carbon atoms.
  • alkyl group having 10 to 40 carbon atoms examples include decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, C-alkyl of 10 to 4 Q such as icosyl group, hecosyl group, docosyl group, tricosyl group, tetracosyl group, pentacosyl group, hexacosyl group, heptacosyl group, octacosyl group, nonacosyl group, and triacontyl group Group.
  • alkyl groups may be linear or branched, and may be a primary alkyl group or a secondary alkyl group.
  • a secondary alkyl group is particularly preferred from the viewpoint of easily obtaining a metal salt of salicylic acid that satisfies the definition of the component (A).
  • examples of the metal in the alkyl salicylic acid metal salt include alkali metals such as sodium and rhodium, alkaline earth metals such as calcium and magnesium, and are preferably calcium and magnesium, and are preferably calcium. Particularly preferred.
  • the component (A) of the present invention can be produced by a known method and the like, and is not particularly limited.
  • 1 mol 1 sentence is more than 1 mol 1 phenol, ethylene, propylene, butene, etc.
  • a method of alkylating with a straight chain ⁇ -olefin such as an ethylene polymer and carboxylating with carbon dioxide gas, etc., or salicylic acid
  • Alkylic salicylic acid mainly composed of monoalkyl salicylic acid obtained by a method of alkylation using 1 or more lmo 1 or more olefins, preferably linear ⁇ -olefins, to Reaction with a metal base such as an oxide or hydroxide of a strong metal or alkaline earth metal, or an alkaline metal salt such as a sodium salt or a strong lithium salt It is further obtained by such be substituted Al force Li metal salts and Al force Li earth metal salts.
  • the reaction ratio of phenol or salicylic acid to olefin is preferably, for example, 1: 1 to 1.15 (molar ratio), more preferably 1: 1.05 to 1: 1 (molar ratio).
  • the composition ratio of monoalkyl salicylic acid metal salt and dialkyl salicyl acid metal salt can be controlled to the desired ratio, and by using linear ⁇ -olefin as the olefin, 3-alkyl
  • the metal salicylic acid metal salt, 5-alkylsalicylic acid metal salt and the like can be easily controlled to a desired ratio as in the component ( ⁇ ) specified in the present application, and an alkylsalicylic acid metal salt having a secondary primary alkyl which is preferable in the present invention.
  • olefins When branched olefins are used as olefins, it is easy to obtain only 5-alkylsalicylic acid metal salts, but oil-soluble by mixing 3-alkylsalicylic acid metal salts, etc. so as to form the component (ii) of the present application. This is an undesirable method because the manufacturing process is diversified.
  • the component (ii) of the present invention comprises an alkali metal or alkaline earth gold salicylate (neutral salt) obtained as described above, and an excess of alkali metal or alkaline earth.
  • Metal salt or Al-strength metal Base obtained by heating metal genus or Al-strength earth metal base (hydroxide or oxide of Al-strength metal or Al-strength earth metal) in the presence of water.
  • Over-base obtained by reacting the above-mentioned neutral salt with a base such as hydroxide of alkaline metal or alkaline metal in the presence of organic salt, carbon dioxide gas, boric acid or borate Sexual salts are also included.
  • a solvent an aliphatic hydrocarbon solvent such as hexane, an aromatic hydrocarbon solvent such as xylene, a light lubricating base oil, etc.
  • the metal content is 1. It is desirable to use 0 to 20% by mass, preferably 2.0 to 16% by mass.
  • the most preferable component (A) specified in the present invention is that the composition ratio of the monoalkyl salicylic acid metal salt is 85 to 95 mo 1% and the dialkyl salicylic acid metal salt The composition ratio is 5 to 15 mo 1%, 3
  • the composition ratio of monoalkyl salicylic acid metal salt is 50 to 60 mo 1%
  • the composition ratio of 4-alkyl salicylic acid metal salt and 5-alkyl salicylic acid metal salt is 3 Alkyl salicylic acid metal salt that is 5 to 4 5 mo 1%, and / or (per) basic salt thereof.
  • the alkyl group here is particularly preferably a secondary monoalkyl group. '
  • the base number of component (A) is usually 0 to 500 mg KOH / g, preferably 20 to 45 mg KOH / g, particularly preferably 100 to 300 mg KOH Zg.
  • the base number here means the base number by the perchloric acid method measured in accordance with 7. of JISK 25.0 1 “Neutralization of petroleum products and lubricants”. .
  • the content of the component (ii) is converted to metal elements based on the total amount of the lubricating oil composition in terms of wear prevention, initial shudder prevention performance, and maintenance performance. in preferably 0.00 5 to 0.5 wt%, preferably 0.0 1 to 0.2 mass 0/0, more preferably 0.0 2 to 0.1% by weight, particularly preferably 0.0 It is 2-0.05 mass%, and it is better that the content is relatively small.
  • the component ( ⁇ ) in the lubricating oil composition of the present invention is a nitrogen compound represented by the general formula (1). , C
  • R 1 represents a linear or branched alkyl group having 1 to 30 carbon atoms, preferably 6 to 24 carbon atoms, and more preferably 6 to 12 carbon atoms.
  • R 2 represents a hydrogen atom or a linear or branched alkyl group having 1 to 24 carbon atoms, preferably a hydrogen atom or 1 to 12 carbon atoms, more preferably 6 to 12 carbon atoms.
  • a and b are each independently 1, 2 or 3, preferably 1 or 2, and more preferably a and b are both 2.
  • linear or branched alkyl group having 1 to 30 carbon atoms represented by R 1 include, for example, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, n —Ptyl group, isobutyl group, sec-butynole group, tert-butyl group, pentyl group, hexyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadel Group, hexadecyl group, heptadecyl group, 'octadecyl group, nonadecyl group, icosyl / le group, hencosyl group, docosyl group, tricosyl group, tetracosyl group, pentaco'syl group, hexacosyl group, h
  • R 1 is an alkyl group having 6 to 24 carbon atoms and R 2 is hydrogen because it can further improve the maintenance performance of wear prevention performance and anti-shudder performance. More preferably, it is an atom or an alkyl group having 1 to 24 carbon atoms, and a and b are 1 or 2, and R 1 and R 2 are 6 to L carbon atoms, preferably 6 to 10 carbon atoms. Particularly preferred is a case in which a and b are both 2.
  • a nitrogen compound represented by the general formula (1) is a 2, 5_bis (alkylthio) having a straight or branched alkyl group having 6 to 24 carbon atoms — 1 , 3, 4-thiadiazole, straight chain or branched alkyl group having 6 to 24 carbon atoms, 2, 5 bis (alkyldithio) — 1, 3, 3, 4-thiadiazole, straight chain having 6 to 24 carbon atoms Or 2- (alkylthio) 1-5-mercapto 1,3,4-thiadiazole, having a branched alkyl group. 2; (alkyldithio) having a linear or branched alkyl group having 6 to 24 carbon atoms. ) — 5— Lucapto 1, 3, 4-thiadiazole and mixtures thereof.
  • 2,5-bis (alkyldithio) 1,1,4-thiadiazole is particularly preferable.
  • the content of the nitrogen compound represented by the general formula (1) is preferably 0.005 to 0.5 mass%, more preferably, based on the total amount of the composition. 0.0 1 to 0.2 mass 0/0, more preferably from 0.02 to 0.1 5% by weight, particularly preferably 0.0 3 to 0.1 4% by weight.
  • the component (C) in the lubricating oil composition of the present invention is a phosphorus wear inhibitor.
  • the phosphorus antiwear agent is not particularly limited as long as it contains phosphorus in the molecule.
  • the phosphorus compound represented by the following general formula (2) or general formula (3) Salt is not particularly limited as long as it contains phosphorus in the molecule.
  • the phosphorus compound represented by the following general formula (2) or general formula (3) Salt is not particularly limited as long as it contains phosphorus in the molecule.
  • the phosphorus compound represented by the following general formula (2) or general formula (3) Salt is represented by the following general formula (2) or general formula (3) Salt.
  • X 1 , X 2 , X 3 , X 4 , X 5, and X 6 each independently represent an oxygen atom or a sulfur atom.
  • 3 , R 4 , R 5 , R 6 , R 7 and R 8 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms.
  • hydrocarbon group having 1 to 30 carbon atoms represented by the above R 3 to R 8 include: an alkyl group, an alkyl group, an alkenyl group, an allyl substitution, and an alkyl group. , Aryl groups, alkyl-substituted aryl groups, and aryl alkyl groups.
  • alkyl group include methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nor group, decyl group, undecyl group, dodecyl group.
  • alkyl groups such as a group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group and octadecyl group (these alkyl groups may be linear or branched).
  • Examples of the cycloalkyl group include a cycloalkyl group having 5 to 7 carbon atoms such as a cyclopentyl group, a cyclohexyl group, and a cyclopentyl group.
  • Examples of the alkylcycloalkyl group include, for example, a methylcyclopentyl group, a dimethylcyclopentinole group, a methinoreethyl / recyclopentyl / re group, a ethenorecloclopentyl group, a methylcyclohexyl group, a dimethinorecyclohexyl group, and a methylethynoleic mouth.
  • Alkyl cycloalkyl groups having 6 to 11 carbon atoms such as xyle groups, jetty / recix hexinoles groups, methino leschi heptisoles groups, dimethylcycloheptyl groups, methylethyl heptyl heptyl groups, ethynolecic butyl groups, etc.
  • the substitution position of the group to the cycloalkyl group is also arbitrary. '
  • alkenyl groups examples include butyr, pentenyl, hexyl, heptenyl, octul, nonenyl, decenyl, undecenyl, dodecenyl, tridecenyl, tetradecenyl,
  • An alkenyl group such as a pentadecenyl group, a hexadecenyl group, a heptadecenyl group, and a .octadecenyl group (the alkenyl group may be linear or branched, and the position of the double bond is arbitrary) Can do.
  • aryl group examples include aryl groups such as a phenyl group and a naphthyl group.
  • alkylaryl group examples include, for example, a tolyl group, a xylyl group, an ethi / lephenyl group, a propi / refenine / le group, a petit / lephenisole group, a pentylphenyl group, a hexylphenyl group, and a heptylphenyl group.
  • Octylphenyl group, nonylphenyl group, decylph each alkylaryl group having 7 to 18 carbon atoms such as nyl group, undecylphenyl group, dodecylphenyl group, etc. (the alkyl group may be linear or branched)
  • substitution position on the aryl group is also arbitrary. , '
  • arylalkyl group examples include a benzyl group, a phenylethyl group, a phenisolepropinole group, a phenenolevbutizole group, a pheny / repentinole group, and a phenenohexoxy.
  • each arylalkyl group having 7 to 12 carbon atoms such as an alkyl group (these alkyl groups may be linear or branched).
  • the hydrocarbon group having 1 to 30 carbon atoms represented by R 3 r ⁇ R 8 is an alkyl group having 1 to 30 carbon atoms or an aryl group having 6 to 24 carbon atoms. More preferred is an alkyl group having 4 to 20 carbon atoms, and still more preferred is an alkynole group having 6 to 18 carbon atoms.
  • Examples of the phosphorus compound represented by the general formula (2) include phosphorous acid, monothiophosphorous acid, dithiophosphorous acid, trithiophosphorous acid; and one hydrocarbon group having 1 to 30 carbon atoms.
  • phosphorous acid diester having two hydrocarbon groups having 1 to 30 carbon atoms, monothio Phosphite diester, dithiophosphite diester, trithiophosphite diester;
  • phosphite triester having three hydrocarbon groups having 1 to 30 carbon atoms, monothiophosphite triester, dithiophosphite And acid triesters, trithiophosphorous acid triesters; and mixtures thereof.
  • Examples of the phosphorus compound represented by the general formula (3) include: phosphoric acid, monothiophosphoric acid, dithiophosphoric acid, trithiophosphoric acid, tetrathiophosphoric acid; phosphoric acid having one hydrocarbon group having 1 to 30 carbon atoms. Monoester, monothiophosphoric acid monoester, dithiophosphoric acid monoester, trithiophosphoric acid monoester, tetrathiophosphoric acid monoester; 'above.
  • one or more of X 1 , X 2 and X 3 are preferably oxygen atoms, and two or more Is more preferably an oxygen atom, and most preferably all three are oxygen atoms.
  • one or more of X 4 , X 5 and X 6 are preferably oxygen atoms, and two or more Oxygen atom More preferably, all three are oxygen atoms.
  • the phosphorus compound may be an ammonia, a hydrocarbon group having 1 to 18 carbon atoms, preferably 1 to 8 carbon atoms.
  • an amine compound having only a hydroxyl group-containing hydrocarbon group in the molecule a nitrogen compound such as an alkylene oxide adduct of the amine compound, or a metal oxide, metal hydroxide, metal carbonate, metal chloride
  • a salt obtained by neutralizing a part or all of the remaining acidic hydrogen by the action of a metal base such as
  • nitrogen compound examples include: ammonia; monomethylamine, monoethinoreamine, monopropi / reamine, monoptinoreamine, monopentinoreamine, monohexylamine, monoheptyl / reamine, monooctyl / reamine, monolaurinoreamine, Monostearylamine, Monooleylamine Dimethylamine, Methylethylamine, Jetylamine, Methylpropylamine, Ethylpropylamine, Dipropylamine, Methylbutylamine, Ethylbutyramine, Propylptylamine, Dibutylamine, Dipentenoreamin , Dihexenoreamine, diheptinoreamin, dioctylamine and other alkyls or alkenylamines (the alkyl group or alkenyl group may be linear or branched); monomethano ⁇ ⁇ Luamine, Monoethanol 7 Reamine, Monopropano
  • the metal in the above metal base include alkali metals such as lithium, sodium, force lithium and cesium, alkaline earth metals such as calcium, magnesium and barium, zinc, copper, iron, lead, Examples include heavy metals such as nickel, silver, manganese, and molybdenum. Among these, the strength of calcium, magnesium, etc. Li earth metal and zinc are preferred.
  • components (C) can be used alone or in combination of two or more. .
  • phosphorous acid phosphoric acid
  • Preferred is one or a mixture of two or more selected from esters or phosphate esters, and an amine salt in which an alkylamine having an alkyl group having 1 to 18 carbon atoms is allowed to act.
  • Phosphorous acid, 4 to 4 carbon atoms One or a mixture of two or more selected from phosphites having 20 alkyl groups is more preferable, and it is particularly preferable to contain a phosphite diester having an alkyl group having 4 to 8 carbon atoms.
  • the content of the component (C) is usually based on the total amount of the composition.
  • the phosphorus element concentration is preferably 0.0 0 1 to 0.
  • Mass 0/0 more preferably 0.0 0 5 to 0.0 8 wt%, more preferably 0.
  • the mass ratio of the content of the component (A) at the metal element concentration (M) to the content (P) of the phosphorus element concentration of the component (C) on the basis of the total amount of the composition ((M) / (P)) is not particularly limited, but is preferably 0.1 to 250, preferably 0.5 to 50, more preferably 0.8 to 5, particularly preferably 1. ⁇ 3.
  • the mass ratio of the content of the component (B) to the content (P) of the component (C) at the phosphorus element concentration ((B) / (P )) is not particularly limited, but is preferably 0.1 to 2500, preferably 0.5 to 50, more preferably 1 to 10 and particularly preferably 1.5 to 5.
  • (C) Component content in phosphorus element concentration (P)
  • the mass ratio of (A) 'component and (B) component to the above ranges makes it possible to prevent wear and prevent initial shading. It is possible to obtain a composition that has excellent anti-blocking performance and can easily maintain anti-shudder performance for a long time. You can.
  • the combined use of the (A) component, the (B) component and the (C) component provides excellent anti-wear properties and initial anti-shoulder performance and long anti-shudder performance.
  • Additives that can be added include, for example, metallic detergents other than component (A), ashless dispersant, friction modifier, antioxidant, extreme pressure additive, antiwear agent, viscosity index improver, and anti-wrinkle Agents, corrosion inhibitors, pour point depressants, rubber swelling agents, antifoaming agents, and coloring agents. These can be used alone or in combination.
  • metallic detergents other than the component (A) include salicylate detergents, sulfonate detergents, and phenate detergents that do not fall under the component (A).
  • Examples of salicylate detergents not corresponding to the component (A) include alkyl salicylic acid metal salts having a composition ratio of dialkyl salicylic acid metal salt having two alkyl groups having 10 to 40 carbon atoms of 15 mo 1% or more. Z or its (over) basic salt, dialkyl salicylic acid metal salt having an alkyl group having 1 to 9 carbon atoms and an alkyl group having 10 to 40 carbon atoms and Z or its (over) basic salt, Examples include alkyl salicylic acid metal salts and / or (over) basic salts thereof in which the composition ratio of the 3-alkyl salicylic acid metal salt is less than 40 mo 1%.
  • examples of the metal include Al-strength metal and Al-strength earth metal. ..
  • the sulfonate detergent examples include alkyl aromatic sulfonic acids obtained by sulfonating alkyl aromatic compounds having a molecular weight of 100 to 1500, preferably 20:00 to 700. Of these, alkaline earth metal salts, particularly magnesium salts and Z or calcium salts are preferably used. Specific examples of the alkyl aromatic sulfonic acids include so-called petroleum sulfonic acids and synthetic sulfonic acids.
  • the alkyl aromatic compound in the lubricating oil fraction of mineral oil is sulfonated.
  • Synthetic sulfonic acids are, for example, by-produced from an alkylbenzene production plant that is a raw material for detergents, and polylevine is alkylated into benzene.
  • a sulfonated alkylbenzene having a linear or branched alkyl group obtained by sulfination, or a sulfonated dinonylnaphthalene may be used.
  • the sulfonating agent for sulfonating these alkyl aromatic compounds is not particularly limited, but usually fuming sulfuric acid or sulfuric acid is used.
  • the phenate detergent include reacting sulfur with an alkylphenol having at least one linear or branched alkyl group having 4 to 30 carbon atoms, preferably 6 to 18 carbon atoms.
  • the base number of the metal detergent other than the component (A) is usually 0 to 500 mg KOH / g, preferably 20 to 450 mg KOH / g.
  • a metal detergent other than the component (A) when a metal detergent other than the component (A) is used, a calcium sulfonate detergent having a base number of 0 to 500 mg KOH / g, preferably 100 to 40 Omg KOH / g. It is particularly preferable to use one or more selected from magnesium sulfonate detergents. By using these sulfonate detergents in combination, it is possible to obtain a composition with a very good balance of anti-wear effect, anti-shudder property, and maintainability.
  • a metallic detergent other than the component (A) when a metallic detergent other than the component (A) is contained, its content is not particularly limited, but is usually from 0.00 to 1 to 5 on the basis of the total amount of the product. % By weight, preferably 0.05 to 1% by weight, particularly preferably 0.1 to 0.5% by weight.
  • any compound usually used as an ashless dispersant for lubricating oil can be used.
  • a nitrogen-containing compound such as succinic acid, benzylamine, polyamine, or a derivative thereof having at least one alkyl group or alkenyl group having 40 to 40 carbon atoms, preferably 60 to 350 carbon atoms in the molecule, or Examples include modified products.
  • the alkyl group having 40 to 400 carbon atoms and the alkenyl group may be linear or branched.
  • olefin oligomers such as propylene, 1-butene and isobutylene, and ethylene.
  • Propylene coco Examples include branched alkyl groups and branched alkenyl groups derived from ligomer. If the alkyl group or alkenyl group has less than 40 carbon atoms, the solubility of the compound in the lubricating base oil will be reduced, while if the alkyl group or alkenyl group has more than 400 carbon atoms, the composition The low-temperature fluidity of things deteriorates.
  • Examples of the derivatives or modified products of nitrogen-containing compounds mentioned as examples of the above ashless dispersant include, for example, nitrogen-containing compounds such as those described above, monocarboxylic acids having 2 to 30 carbon atoms (fatty acids, etc.), Shu Neutralize some or all of the remaining amino groups and Z or imino groups by the action of polycarboxylic acids having 2 to 30 carbon atoms such as acid, phthalic acid, trimellitic acid, and pyromellitic acid.
  • acid-modified compound boric acid is allowed to act on the nitrogen-containing compound as described above to neutralize part or all of the remaining amino group and / or imino group;
  • boron-modified compound by reacting phosphoric acid or phosphorous acid with a nitrogen-containing compound as described above, some or all of the remaining amino group and Z or imino group are neutralized, Amidified, so-called Two modified compounds selected from sulfur-modified compounds obtained by allowing a sulfur compound to act on a nitrogen-containing compound as described above; and acid-modified, boron-modified, phosphorus-modified, and sulfur-modified compounds as described above. Examples thereof include modified compounds that combine the above modifications.
  • lubricating oil composition of the present invention one kind or two or more kinds of compounds arbitrarily selected from these can be used in any amount, but the content thereof is usually the lubricating oil composition. '0.1 to 10% by mass based on the total amount.
  • the lubricating oil composition of the present invention preferably contains a non-boron-based ashless dispersant and / or a boron-containing ash-dispersed agent, and these ashless dispersants may be succinic acid-based ashless dispersants. More preferred.
  • the content of the non-boron ashless dispersant and / or the fluorine-containing ashless dispersant is preferably 0.1 to 10% by mass, more preferably 3 to 6% by mass, based on the total amount of the lubricating oil composition.
  • the non-boron ashless dispersant is preferably 10% by mass or less, more preferably 1 to 6% by mass, and particularly preferably 2 to 4% by mass.
  • the mass ratio of the content of the boron-containing ashless dispersant to the total content of the non-boron-based ashless dispersant and the content of the boron-containing ashless dispersant is preferably from 0.1 to 1, More preferably, it is 0.15-0.5, Most preferably, it is 0.2-0.3.
  • any compound usually used as a friction modifier for lubricating oils can be used, but an alkyl group or alkenyl group having 6 to 30 carbon atoms, particularly a straight chain having 6 to 30 carbon atoms.
  • Examples include amine-based friction modifiers, imide-based friction modifiers, amide-based friction modifiers, and fatty acid-based friction modifiers having at least one chain alkyl group or straight-chain alkenyl group in the molecule.
  • amine friction modifier examples include linear or branched carbon atoms having 6 to 30 carbon atoms, preferably linear aliphatic monoamines, linear or branched, and preferably linear.
  • an aliphatic amine-based friction modifier such as an alkylene oxide adduct of the aliphatic amine or the like.
  • the imid friction modifier one or two linear or branched, preferably branched hydrocarbon groups having 6 to 30 carbon atoms, preferably 8 to 18 carbon atoms.
  • the mono- and / or psuccinic acid imide, and the succinic acid imide is reacted with one or more selected from boric acid, phosphoric acid, a carboxylic acid having 1 to 20 carbon atoms, or a sulfur-containing compound.
  • succinic acid-based friction modifiers such as succinic acid imide-modified compounds.
  • Amid-based friction modifiers include linear or branched, preferably linear, branched fatty acids with 7 to 31 carbon atoms, ammonia, aliphatic monoamines or aliphatic polyamines, etc. Examples thereof include fatty acid amide friction modifiers.
  • fatty acid friction modifier examples include linear or branched, preferably linear fatty acids having 7 to 31 carbon atoms, and esters of the fatty acids with aliphatic monohydric alcohols or aliphatic polyhydric alcohols. Fatty acid esters, alkaline earth metal salts of the fatty acids (magnesium salts, calcium salts, etc.) and fatty acid metal salts such as zinc salts.
  • the above-mentioned imide friction modifiers particularly succinic acid imide friction modifiers, not only increase the friction coefficient of wet clutches and improve power transmission efficiency, but also significantly improve the anti-shudder life. It is effective for.
  • aliphatic amine friction modifiers and fatty acid friction modifiers are particularly preferably used because the initial anti-shattering property is remarkably improved.
  • these aliphatic amine-based friction modifier and z or fatty acid-based friction modifier are particularly preferable to contain
  • the mass ratio is not particularly limited, but is preferably 1: 5 to 5: 1, more preferably in terms of excellent speed change characteristics. Is 1: 3 to 3: 1, particularly preferably 1: 2 to 2: 1.
  • one kind or two or more kinds of compounds arbitrarily selected from these friction modifiers can be contained in any amount, but usually the content thereof is the lubricating oil composition. It is 0.01 to 5.0% by mass on a basis, preferably 0.03 to 3.0% by mass.
  • Antioxidants that can be used are those generally used in lubricating oils, such as funinol compounds and amine compounds.
  • alkylphenols such as 2-6-g-tert-butyl / le-4-methylphenol, and methylene-1,4-bisphenol (2,6-ditert-butyl-4-methylenophenol).
  • Bisphenols naphthylamines such as phenyl-alpha ⁇ -naphthylamine, dialkyldiphenylamines, (3,5-di-tert-petityl-4-hydroxyphenyl) 'fatty acids (propionic acid etc.) and monovalent or Polyhydric alcohols, for example, esters with methanol, octadecanol, 1, 6 hexadiol ⁇ /, neopentinoglycol ⁇ thiojetylene glycolol, triethyleneglycol ', pentaerythritol, Examples include organometallic antioxidants such as phenothiazines, molybdenite copper, zinc, and mixtures of these. .
  • One or two or more compounds arbitrarily selected from these can be contained in any amount, but usually the content is 0.0 on the basis of the total amount of the lubricating oil composition. ⁇ 5. 0 mass 0/0. '
  • phenol-based antioxidants and amine- or amine-based antioxidants are used because they can easily maintain anti-shudder performance for a longer period of time. It is preferable to use an amine-based antioxidant and anti-oxidant 3 ⁇ 4r in combination.
  • the mass ratio when a phenolic antioxidant and a amine antioxidant are used in combination is preferably 1: 5 to L0: 1, more preferably 1: 1 to 8: 1, and even more preferable. Or 2: 1 to 6: 1.
  • any compound usually used as an extreme pressure additive for lubricating oils can be used.
  • sulfur compounds One or two or more compounds arbitrarily selected from these can be contained in any amount, but usually the content is from 0.001 to 5 based on the total amount of the lubricating oil composition. 0% by mass. +
  • the viscosity index improver is a so-called non-dispersion type viscosity index improver such as a copolymer of one or more monomers selected from various methacrylates or a hydrogenated product thereof. Or a so-called dispersion type viscosity index improver obtained by copolymerizing various methacrylic acid esters containing a nitrogen compound.
  • specific examples of other viscosity index improvers include non-dispersed or dispersed ethylene mono- ⁇ -olefin copolymers (examples of ⁇ -olefin include propylene, 1-butene and 1-pentene) or the like.
  • the number average molecular weight of the viscosity index improver is, for example, 5 00 0 to 1 5 0 0 0 0, preferably 5 0 0 0 3 5 in the case of dispersed and non-dispersed polymethacrylates.
  • 0 0 0 is polyisobutylene or a hydride thereof
  • a polymer or a hydride thereof a polymer having a molecular weight of 80,000 to 1,500, preferably 300,000 to 1,200 is preferable.
  • one kind or two or more kinds of compounds arbitrarily selected from these viscosity index improvers can be contained in any amount, but usually the content is 0.1 to 20.0% by mass based on the lubricating oil composition.
  • anti-tacking agents examples include alkelle succinic acid and alkenyl succinic acid ester. , Polyhydric alcohol ester, petroleum sulphonate, dinonylnaphthalene sulfonate and the like.
  • corrosion inhibitor examples include benzotriazole-based, tolyltriazole-based, and -imidazolazole-based compounds.
  • pour point depressant examples include polymetatalate polymers that are compatible with the lubricating base oil used.
  • Examples of rubber swelling agents include aromatic and ester rubber swelling agents.
  • Examples of the antifoaming agent include silicones such as dimethyl silicone and fluorosilicone.
  • the content of these additives is arbitrary, but the content of the corrosion inhibitor is usually from 0.05 to 0.2% by mass, and the content of the antifoaming agent is 0.0% based on the total amount of the composition.
  • the content of 0-5 to 0.01% by mass and the other additives is about 0 to 0.05 to 10% by mass, respectively.
  • the kinematic viscosity at 100 ° C. of the lubricating oil composition of the present invention is usually 2 to 25 mm 2 / s, preferably 3 to 8 mm 2 Z s, more preferably 4 to 7 mm 2 / s, more preferably Is ⁇ It is.
  • the lubricating oil composition of the present invention has an excellent metal pulley and metal belt wear resistance and initial anti-shudder performance, and can maintain the anti-shudder performance for a long period of time.
  • a metal belt particularly a lubricating oil composition suitable for a continuously variable transmission having a wet starting clutch.
  • a lubricating oil that requires an anti-wear property or an improved wet clutch property specifically, an automobile
  • It can also be suitably used as a lubricating oil for automatic transmissions such as construction machinery and agricultural machinery, manual transmissions, and differential gears.
  • suitable for industrial gear oils, automobiles such as motorcycles and automobiles, gasoline engines for power generation and marine use, lubricants for diesel engines and gas engines, turbine oils, compressor oils, etc. be able to.
  • monoalkyl salicylate detergents have excellent initial anti-shatter performance, they do not only inhibit the anti-wear effect of phosphorus additives, but also include slip-controlled wet-type cleaners.
  • the anti-shudder performance of the latch could not be maintained for a long time, the combination of the (B) component and the (C) component with the (A) component of the present invention allowed the metal pulley and metal belt to It is possible to suppress wear in the continuously variable transmission that is in contact, and to prevent the shudder specific to the slip control type wet clutch for a long period of time.
  • Each lubricating oil composition shown in Examples 1 to 6 in Table 1 and each lubricating oil composition shown in Comparative Examples 1 to 3 for comparison were prepared and shown below.
  • the ratio of base oil is based on the total amount of base oil, and the amount of each additive is based on the total amount of composition.
  • LVFA low-duty truck
  • contact pressure 1.5MPa
  • other conditions are evaluated in accordance with JASO.M 34 9-98, dd V from 2 rp m. To 200 rpm Was measured.
  • d No d V indicates a positive value, and the larger the value, the better the initial anti-shudder performance. If d ⁇ / d V is negative, the anti-shudder performance is greatly deteriorated.
  • each lubricating oil composition was deteriorated at 150 ° C for 72 hours according to JIS-K 2 5 14 Then, organic iron containing iron ions was prepared by dissolving 300 mass ppm as iron.
  • di iZd V was measured by the same method as in (1). As d / iZdV shows a positive value and the value is larger, the iron content due to the metal pulley and metal belt dissolves into the lubricating oil after long-term use. Even so, the anti-shudder performance in the wet clutch can be maintained for a long time.
  • Hydrocracking base oil 100 ° C kinematic viscosity 2.6mm 2 / s, viscosity index 105, NOACK evaporation 52 mass%, S content 0.1 mass% or less

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

Abstract

La présente invention concerne une composition d'huile lubrifiante qui présente des propriétés excellentes de prévention de l'abrasion d'une poulie métallique ou d'une courroie métallique et de prévention de la secousse initiale, qui peut exercer cette propriété de prévention de la secousse pendant une période prolongée et qui peut être utilisée dans une transmission à variation continue avec un embrayage à coulisse à huile et une courroie métallique. L'invention concerne une composition d'huile lubrifiante comprenant (A) des sels métalliques de l'acide alkylsalicylique composés de 85 à 100 % en moles d'un sel métallique de l'acide monoalkylsalicylique, de 0 à 15 % en moles d'un sel métallique de l'acide dialkylsalicylique et de 40 à 100 % en moles d'un sel métallique de l'acide 3-alkylsalicylique, chaque pourcentage étant basé sur la quantité totale de la composition, et/ou un de leurs sels (per)basiques ; (B) un composé azoté spécifique et (C) un agent anti-abrasion contenant du phosphore dans une huile de base lubrifiante.
PCT/JP2006/316274 2005-08-15 2006-08-14 Composition d'huile lubrifiante WO2007021014A1 (fr)

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CN2006800375881A CN101283079B (zh) 2005-08-15 2006-08-14 润滑油组合物
EP06782833A EP1918356B1 (fr) 2005-08-15 2006-08-14 Composition d'huile lubrifiante
US12/026,670 US20080139424A1 (en) 2005-08-15 2008-02-06 Lubricating oil composition

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JP2005235550A JP5030402B2 (ja) 2005-08-15 2005-08-15 潤滑油組成物
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JP5922449B2 (ja) 2012-03-14 2016-05-24 出光興産株式会社 潤滑油組成物
US20150376538A1 (en) * 2013-03-06 2015-12-31 Jx Nippon Oil & Energy Corporation Friction modifier and lubricating oil composition
US20160108337A1 (en) * 2013-05-14 2016-04-21 The Lubrizol Corporation Lubricating Composition and Method of Lubricating a Transmission
JP2015151490A (ja) 2014-02-17 2015-08-24 出光興産株式会社 潤滑油組成物
US9499765B2 (en) 2015-03-23 2016-11-22 Chevron Japan Ltd. Lubricating oil compositions for construction machines
JP2018119059A (ja) * 2017-01-25 2018-08-02 出光興産株式会社 変速機用潤滑油組成物、変速機の潤滑方法及び変速機
EP3645679B1 (fr) * 2017-06-30 2022-08-03 Chevron Oronite Company LLC Détergents à base de magnésium pour huile lubrifiante et procédé de fabrication et d'utilisation de ces détergents
US10604719B2 (en) * 2018-02-22 2020-03-31 Chevron Japan Ltd. Lubricating oils for automatic transmissions
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JP7159097B2 (ja) 2019-03-28 2022-10-24 Ｅｎｅｏｓ株式会社 潤滑油組成物

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CN101283079A (zh) 2008-10-08
EP1918356A1 (fr) 2008-05-07
CN101283079B (zh) 2013-02-06
JP5030402B2 (ja) 2012-09-19
US20080139424A1 (en) 2008-06-12
EP1918356A4 (fr) 2008-12-31
EP1918356B1 (fr) 2011-08-10

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