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WO2014142230A1 - Composition d'huile lubrifiante - Google Patents

Composition d'huile lubrifiante Download PDF

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Publication number
WO2014142230A1
WO2014142230A1 PCT/JP2014/056639 JP2014056639W WO2014142230A1 WO 2014142230 A1 WO2014142230 A1 WO 2014142230A1 JP 2014056639 W JP2014056639 W JP 2014056639W WO 2014142230 A1 WO2014142230 A1 WO 2014142230A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricating oil
oil composition
less
composition
kinematic viscosity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/056639
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English (en)
Japanese (ja)
Inventor
智明 藤井
昌利 戸田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to EP14765301.8A priority Critical patent/EP2975104A4/fr
Priority to CN201480015219.7A priority patent/CN105026531A/zh
Priority to MX2015012068A priority patent/MX2015012068A/es
Priority to US14/777,056 priority patent/US20160040095A1/en
Publication of WO2014142230A1 publication Critical patent/WO2014142230A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
    • C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
    • C10M145/14—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/2805—Esters 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • 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 particularly to a lubricating oil composition that can be suitably used for a gear device used in a manual transmission used in an automobile or the like.
  • the lubricating oil composition for gear devices used in manual transmissions and final reduction gears for automobiles, speed increasers and reduction gears for various industrial machines, requires performance for energy saving by reducing friction loss. It has been.
  • simple reduction of the viscosity of gear oil for example, 6 mm 2 / s or less at 100 ° C. kinematic viscosity
  • gear wear, reduction in tooth surface fatigue life, and seizure of the gear occur.
  • the gear oil achieves low viscosity and reduced friction loss in the normal temperature range (20 ° C. or higher and 80 ° C. or lower) while maintaining the oil film holding performance in the high temperature range (eg, 100 ° C. or higher).
  • it is required to reduce the load on the prime mover when starting the apparatus by improving the low temperature fluidity.
  • gear oil examples include a lubricating base oil having a kinematic viscosity at 100 ° C. of 1.5 to 10 mm 2 / s, and a kinematic viscosity at 100 ° C. of 40 to 500 mm 2 / s based on the total amount of the composition.
  • a lubricating oil composition comprising 2 to 40% by mass of a high-viscosity synthetic lubricating oil and 0.01 to 5% by mass of an extreme pressure additive such as a phosphorus extreme pressure agent is disclosed (see Patent Document 1). ).
  • a fluid composition comprising 95% by weight, 1 to 49% by weight of a specific polyol ester, and a functional additive package, wherein the composition has a kinematic viscosity at 100 ° C. of at least 4 mm 2 / s.
  • a base oil a mineral oil or synthetic oil having a kinematic viscosity at 100 ° C.
  • the present invention provides a lubricating oil composition that lowers the viscosity in the normal temperature range (20 ° C. or more and 80 ° C. or less) to ensure fuel economy, has excellent shear stability, and can further reduce friction loss.
  • the purpose is to do.
  • the present invention provides the following lubricating oil composition.
  • a poly (meth) acrylate having a mass average molecular weight of 3 ⁇ 10 4 or more and 5 ⁇ 10 4 or less is blended with a base oil having a kinematic viscosity at 100 ° C. of 0.5 mm 2 / s to 3.5 mm 2 / s.
  • a lubricating oil composition characterized by comprising: (2) The above lubricating oil composition, further comprising an ester having a kinematic viscosity at 100 ° C. of 5 mm 2 / s or less as a base oil.
  • the above lubricating oil composition further comprising a poly (meth) acrylate having a mass average molecular weight of 1.4 ⁇ 10 5 or more and 2 ⁇ 10 5 or less.
  • a lubricating oil composition comprising the above lubricating oil composition, further comprising a molybdenum compound.
  • the above lubricating oil composition further comprising at least one of a cleaning dispersant, an extreme pressure agent, and an oily agent.
  • the 100 ° C. kinematic viscosity of the composition is 13.5 mm 2 / s or more and 18.5 mm 2 / s or less, and the 40 ° C.
  • kinematic viscosity of the composition is 65 mm 2 / s.
  • a lubricating oil composition characterized by the following: (7) The lubricating oil composition described above, wherein the composition has a viscosity index of 245 or more.
  • the lubricating oil composition described above wherein the rate of decrease in the 100 ° C. kinematic viscosity in a shear stability test (ultrasonic shear test) is 15% or less.
  • a lubricating oil composition characterized in that the lubricating oil composition described above is for a manual transmission.
  • a lubricating oil composition that lowers the viscosity in the normal temperature range (20 ° C. or more and 80 ° C. or less) to ensure fuel saving, is excellent in shear stability, and can further reduce friction loss. it can.
  • the lubricating oil composition of the present invention (hereinafter also referred to as “the present composition”) is a base oil having a kinematic viscosity at 100 ° C. of 0.6 mm 2 / s to 3.5 mm 2 / s and a mass average molecular weight of 3 ⁇ . It is characterized by blending 10 4 or more and 5 ⁇ 10 4 or less poly (meth) acrylate.
  • the composition will be described in detail.
  • the base oil used in the present composition has a kinematic viscosity at 100 ° C. of 0.5 mm 2 / s or more and 3.5 mm 2 / s or less, preferably 0.6 mm 2 / s or more and 3 mm 2 / s or less. If the kinematic viscosity at 100 ° C. is 0.5 mm 2 / s or more, the evaporation loss is small. On the other hand, if it is 3.5 mm 2 / s or less, the power loss due to viscous resistance is small, and the fuel efficiency improvement effect is obtained. Moreover, when the kinematic viscosity at 100 ° C. of the base oil exceeds 3.5 mm 2 / s, it becomes difficult to improve the viscosity index of the composition.
  • the base oil used in the present composition may be a mineral-type lubricating base oil or a synthetic-type lubricating base oil.
  • mineral-based lubricating base oil include paraffin-based mineral oil, intermediate-based mineral oil, and naphthene-based mineral oil.
  • Examples of the synthetic lubricating base oil include polybutene, polyolefin ( ⁇ -olefin homopolymer and copolymer (for example, ethylene- ⁇ -olefin copolymer)), various esters (for example, polyol ester, Dibasic acid ester, phosphoric acid ester and the like), various ethers (for example, polyphenyl ether and the like), polyglycol, alkylbenzene, alkylnaphthalene and the like.
  • the base oil one kind of the mineral-based lubricating base oil may be used, or two or more kinds may be used in combination.
  • 1 type of the said synthetic-type lubricating base oil may be used, and may be used in combination of 2 or more type. Furthermore, you may use combining the 1 type or more of the said mineral type lubricating oil base oil, and the 1 type or more of the said synthetic type lubricating oil base oil.
  • the viscosity index of the base oil is preferably 70 or more, more preferably 100 or more, and further preferably 120 or more.
  • Such a base oil having a viscosity index equal to or more than the lower limit has a small change in viscosity due to a change in temperature, and an effect of improving fuel consumption can be obtained even at a low temperature.
  • the composition contains a poly (meth) acrylate having a mass average molecular weight of 3 ⁇ 10 4 or more and 5 ⁇ 10 4 or less, preferably 3.2 ⁇ 10 4 or more and 4.5 ⁇ 10 4 or less.
  • the blending amount of the poly (meth) acrylate is preferably 20% by mass or more and 45% by mass or less, and more preferably 25% by mass or more and 40% by mass or less, based on the total amount of the composition. If the blending amount is less than 20% by mass, the blending effect may not be sufficient. On the other hand, even if the blending amount exceeds 45% by mass, the blending effect is limited.
  • blend ester whose 100 degreeC kinematic viscosity is 5 mm ⁇ 2 > / s or less into this composition as base oil further.
  • blending such ester with this composition the solubility of the poly (meth) acrylate mentioned above can increase, and the cloudiness of this composition can be suppressed.
  • the kinematic viscosity at 100 ° C. should not exceed 3.5 mm 2 / s.
  • the blending amount of such an ester is preferably 5% by mass or more and 20% by mass or less, and more preferably 8% by mass or more and 15% by mass or less based on the total amount of the composition. If the blending amount is less than 5% by mass, the blending effect may not be sufficient. On the other hand, even if the blending amount exceeds 20% by mass, the effect is limited.
  • dicarboxylic acids such as monocarboxylic acid, adipic acid, azel
  • examples of the ester composed of alcohol and carboxylic acid described above include polyglycol benzoate such as polyethylene glycol dibenzoate and polypropylene glycol dibenzoate, n-octanoic acid tetraester of pentaerythritol, and n-octanoic acid triester of trimethylolpropane.
  • Linear carboxylic acid hindered esters such as di-n-octyl azelate and ethylhexyl 1,10-decamethylenedicarboxylate, long-chain monoesters such as dodecyl 16-methylheptadecanoate and n-dodecyl 2-heptylundecanoate
  • Long chain oleyl esters such as esters, oleyl oleate and 16-methylheptadecyl oleate are preferred.
  • blended with this composition does not need to be manufactured from carboxylic acid and alcohol. For example, it may be produced by a transesterification method.
  • the composition preferably further contains a poly (meth) acrylate having a mass average molecular weight of 1.4 ⁇ 10 5 or more and 2 ⁇ 10 5 or less.
  • a more preferable mass average molecular weight is 1.6 ⁇ 10 5 or more and 1.8 ⁇ 10 5 or less.
  • the viscosity index of the present composition can be further improved.
  • the mass average molecular weight of the poly (meth) acrylate is less than 1.4 ⁇ 10 5 , the effect of improving the viscosity index is limited.
  • the mass average molecular weight of the poly (meth) acrylate exceeds 2 ⁇ 10 5 , the shear stability may be lowered.
  • a preferable blending amount of the poly (meth) acrylate is 2% by mass or more and 7% by mass or less, and a more preferable blending amount is 3% by mass or more and 6% by mass or less.
  • the composition preferably further contains a molybdenum compound.
  • a molybdenum compound By incorporating a molybdenum compound, the wear resistance of the composition can be further improved. For example, the wear of the synchronizer ring can be suppressed without lowering the coefficient of friction between the synchronizer ring and the gear cone in the manual transmission.
  • molybdenum compounds include MoDTC (molybdenum dialkyldithiocarbamate) and MoDTP (molybdenum dialkyldithiophosphate). MoDTC is more preferable from the viewpoint of effect.
  • the blending amount of the above-mentioned molybdenum compound is preferably 30 ppm to 300 ppm by mass, more preferably 50 ppm to 150 ppm, in terms of the total amount of the composition and in terms of Mo element. If the blending amount of the molybdenum compound is less than 30 ppm by mass, the effect of improving the wear resistance may not be sufficient. On the other hand, even if the compounding quantity of a molybdenum compound exceeds 300 mass ppm, the effect is limited.
  • the composition preferably further contains at least one of a detergent dispersant, an extreme pressure agent, and an oily agent.
  • a detergent dispersant there are a metal-based detergent and an ashless dispersant.
  • Preferred examples of the metallic detergent include sulfonates, phenates, salicylates and naphthenates of alkaline earth metals (calcium (Ca), magnesium (Mg), etc.).
  • the thing whose total base number is 300 mg / KOH or more is preferable.
  • the total base number referred to here is JIS K 2501 “Petroleum products and lubricants—neutralization number test method”.
  • the preferable compounding amount of the metal detergent is in the range of 1% by mass to 2.5% by mass based on the total amount of the composition from the viewpoint of the effect.
  • group dispersing agent derivatives, such as polybutenyl succinimide, polybutenyl benzylamine, polybutenyl amine, or these boric acid modified substances, are mentioned preferably.
  • a preferable blending amount of the ashless dispersant is in the range of 0.5% by mass or more and 1.5% by mass or less based on the total amount of the composition from the viewpoint of the effect.
  • Examples of the extreme pressure agent include sulfur-based, phosphorus-based, and boron-based extreme pressure agents.
  • sulfur-based extreme pressure agents include sulfurized olefins, sulfurized fats and oils, sulfurized esters, thiocarbonates, dithiocarbamates, polysulfides, and the like.
  • Examples of the phosphorus-based extreme pressure agent include zinc dithiophosphate, phosphite, alkyl or aryl acid phosphate, amine salts thereof, trialkyl or triaryl phosphate, and the like.
  • a preferable blending amount of the extreme pressure agent is in the range of about 0.1% by mass or more and 5% by mass or less, and more preferably in the range of 0.5% by mass or more and 3% by mass or less, based on the total composition.
  • oily agent examples include aliphatic monocarboxylic acids, polymerized fatty acids, hydroxy fatty acids, aliphatic monoalcohols, aliphatic monoamines, aliphatic monocarboxylic amides, partial esters of polyhydric alcohols and aliphatic monocarboxylic acids (sorbitan). And a partial ester thereof. These may be used individually by 1 type and may be used in combination of 2 or more type. Although the compounding quantity of an oiliness agent is not specifically limited, It is preferable that it is the range of 0.01 mass% or more and 5 mass% or less on the basis of the composition whole quantity.
  • the composition may further contain an additive for imparting characteristics necessary as a lubricating oil composition.
  • an antioxidant for example, an antioxidant, a rust inhibitor, a corrosion inhibitor, an antifoaming agent, and the like can be given.
  • the rust preventive include fatty acid, alkenyl succinic acid half ester, fatty acid soap, alkyl sulfonate, polyhydric alcohol fatty acid ester, fatty acid amide, oxidized paraffin, alkyl polyoxyethylene ether, and the like.
  • the preferable compounding quantity of a rust preventive agent is not specifically limited, It is the range of 0.01 mass% or more and 3 mass% or less on the basis of the composition whole quantity.
  • the corrosion inhibitor examples include benzotriazole corrosion inhibitors, benzimidazole corrosion inhibitors, benzothiazole corrosion inhibitors, thiadiazole corrosion inhibitors, and the like.
  • the preferable compounding quantity of a corrosion inhibitor is not specifically limited, It is the range of 0.01 mass% or more and 1 mass% or less on the basis of the composition whole quantity.
  • antifoaming agents include silicone compounds and ester compounds.
  • the preferable compounding quantity of an antifoamer is not specifically limited, It is the range of 1 mass ppm or more and 5000 mass ppm or less on the composition whole quantity basis.
  • 100 ° C. kinematic viscosity of the composition is preferably no greater than 13.5 mm 2 / s or more 18.5 mm 2 / s, more preferably at most 14 mm 2 / s or more 16 mm 2 / s.
  • exponent can be effectively improved as 100 degreeC kinematic viscosity is 13.5 mm ⁇ 2 > / s or more.
  • the 100 ° C. kinematic viscosity exceeds 18.5 mm 2 / s, fuel economy may be reduced. It is preferable that 40 ° C.
  • kinematic viscosity of the composition is less than 65 mm 2 / s, and more preferably 60 mm 2 / s or less. When the 40 ° C. kinematic viscosity is 65 mm 2 / s or less, fuel economy is excellent.
  • the viscosity index of the present composition is preferably 245 or more, and more preferably 250 or more. When the viscosity index is 245 or more, fuel consumption in the normal temperature range is improved due to reduction of stirring loss or the like.
  • the rate of decrease in kinematic viscosity at 100 ° C. in a shear stability test is preferably 15% or less, and more preferably 10% or less.
  • the rate of decrease in the kinematic viscosity at 100 ° C. is 15% or less, the fatigue life of gears and bearings can be extended, so that the reliability of the apparatus to which the present composition is applied becomes excellent.
  • This composition lowers the viscosity in the normal temperature range to ensure fuel economy, is excellent in shear stability, and can also reduce friction loss. Therefore, manual transmissions and final reduction gears for automobiles, and industrial machinery It is suitably used as a lubricating oil composition for a gear device used for a speed increaser, a reduction gear, and the like.
  • Example oil kinematic viscosity at 40 ° C. and 100 ° C., viscosity index, flash point, shear stability, wear characteristics, and appearance
  • Kinematic viscosity at 40 ° C. and 100 ° C. Based on the method described in JIS K2283, the kinematic viscosity at 40 ° C. and 100 ° C. (unit: mm 2 / s) was measured.
  • Viscosity index The viscosity index was calculated based on the method described in JIS K2283.
  • Flash point Measured according to JIS K 2265. Practically preferred is 150 ° C. or higher.
  • Shear stability (ultrasonic shear stability test) A test was conducted in accordance with JPI-5S-29-88 (Method A, 60 minutes, 30 mL), and the rate of decrease in kinematic viscosity (%) was calculated from the 100 ° C. kinematic viscosity after the test.
  • the rate of decrease in kinematic viscosity at 100 ° C. is preferably 15% or less.
  • Wear characteristics wear of the synchronizer ring
  • the wear length refers to the amount of change (unit: mm) in the gap between the synchronizer ring and the gear cone, and is indicated by a value obtained by subtracting the gap width before the test from the gap width after the test. . It is practically preferable that the wear length is 0.3 mm or less.
  • Synchronizer ring (SNR) material high-strength brass SNR cone angle ( ⁇ ): 6.5 ° Effective radius of SNR (R): 26.5mm Gear material: Carbon steel Gear rotation speed: 1200rpm SNR pressing force: 400N SNR pressing time and rest time: pressing time 0.5 seconds, rest time 1 second Oil temperature: 80 ° C Oil amount: Fills up to the shaft center of the drive shaft and pressing shaft (approx. 4L)
  • Lubricating oil compositions (sample oils) shown in Tables 1 and 2 were prepared using the base oils and additives shown below. The performance of each sample oil was evaluated by the method described above, and the results are shown in Tables 1 and 2.
  • Mineral oil-1 Highly refined mineral oil (100 ° C. kinematic viscosity: 0.87 mm 2 / s)
  • Mineral oil-2 Highly refined mineral oil (100 ° C. kinematic viscosity: 1.5 mm 2 / s, viscosity index: 83)
  • Mineral oil-3 Highly refined mineral oil (100 ° C.
  • kinematic viscosity 1.8 mm 2 / s, viscosity index: 128)
  • Synthetic oil-2 poly- ⁇ -olefin (kinematic viscosity at 100 ° C .: 3.9 mm 2 / s, viscosity index: 120)
  • Synthetic oil-3 poly- ⁇ -olefin (kinematic viscosity at 100 ° C .: 5.9 mm 2 / s, viscosity index: 132)
  • Ester A Dibasic acid ester (100 ° C.
  • the sample oils of Examples 1 to 9 have reduced fuel viscosity in the normal temperature range to ensure fuel saving (40 Viscosity is 65 ° C. or less). In addition, it has excellent shear stability. Furthermore, it is also excellent in wear resistance, and specifically, since the wear of the synchronizer ring is small, it can be seen that the synchro operability can be maintained over a long period of time.
  • the sample oils of Comparative Examples 1 to 9 at least one of the 100 ° C. kinematic viscosity of the base oil and the mass average molecular weight of the polymer (PMA) is out of the range defined in the present invention. Therefore, the problem of the present invention cannot be solved.

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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

Cette composition d'huile lubrifiante est caractérisée en ce qu'elle comprend un poly(méth)acrylate ayant une masse moléculaire moyenne en masse de 3×104 à 5×105 mélangé dans une huile de base ayant une viscosité cinématique de 0,6 mm2/s à 3,5 mm2/s à 100°C.
PCT/JP2014/056639 2013-03-15 2014-03-13 Composition d'huile lubrifiante Ceased WO2014142230A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP14765301.8A EP2975104A4 (fr) 2013-03-15 2014-03-13 Composition d'huile lubrifiante
CN201480015219.7A CN105026531A (zh) 2013-03-15 2014-03-13 润滑油组合物
MX2015012068A MX2015012068A (es) 2013-03-15 2014-03-13 Composicion de aceite lubricante.
US14/777,056 US20160040095A1 (en) 2013-03-15 2014-03-13 Lubricating oil composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013054220A JP6159107B2 (ja) 2013-03-15 2013-03-15 潤滑油組成物
JP2013-054220 2013-03-15

Publications (1)

Publication Number Publication Date
WO2014142230A1 true WO2014142230A1 (fr) 2014-09-18

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PCT/JP2014/056639 Ceased WO2014142230A1 (fr) 2013-03-15 2014-03-13 Composition d'huile lubrifiante

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US (1) US20160040095A1 (fr)
EP (1) EP2975104A4 (fr)
JP (1) JP6159107B2 (fr)
CN (1) CN105026531A (fr)
MX (1) MX2015012068A (fr)
WO (1) WO2014142230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279293A4 (fr) * 2015-03-30 2018-08-08 Idemitsu Kosan Co., Ltd Composition lubrifiante

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016172818A (ja) * 2015-03-17 2016-09-29 Ｊｘエネルギー株式会社 潤滑油組成物
KR102026330B1 (ko) * 2018-09-27 2019-09-27 에스케이이노베이션 주식회사 저온 성능이 개선된 광유계 윤활기유 및 이의 제조 방법, 및 이를 포함하는 윤활유 제품
CN113454194A (zh) * 2019-02-20 2021-09-28 引能仕株式会社 变速器用润滑油组合物
JP7460757B2 (ja) * 2020-04-14 2024-04-02 コスモ石油ルブリカンツ株式会社 農業機械用潤滑油組成物
CN115558536A (zh) * 2021-07-01 2023-01-03 中国石油天然气股份有限公司 一种柴油机油抗磨添加剂组合物、ch-4/ci-4柴油机油组合物

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JP2014177605A (ja) 2014-09-25
EP2975104A1 (fr) 2016-01-20
CN105026531A (zh) 2015-11-04
US20160040095A1 (en) 2016-02-11
MX2015012068A (es) 2015-12-16
JP6159107B2 (ja) 2017-07-05

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