WO2012053575A1 - Composition de graisse - Google Patents

Composition de graisse Download PDF

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Publication number
WO2012053575A1
WO2012053575A1 PCT/JP2011/074109 JP2011074109W WO2012053575A1 WO 2012053575 A1 WO2012053575 A1 WO 2012053575A1 JP 2011074109 W JP2011074109 W JP 2011074109W WO 2012053575 A1 WO2012053575 A1 WO 2012053575A1
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WO
WIPO (PCT)
Prior art keywords
grease composition
oil
moles
group
composition according
Prior art date
Application number
PCT/JP2011/074109
Other languages
English (en)
Japanese (ja)
Inventor
今井　裕
亮 相田
Original Assignee
協同油脂株式会社
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 協同油脂株式会社 filed Critical 協同油脂株式会社
Priority to EP11834414.2A priority Critical patent/EP2631284B1/fr
Priority to CN201180050808.5A priority patent/CN103210070B/zh
Priority to KR1020137011244A priority patent/KR20130073977A/ko
Publication of WO2012053575A1 publication Critical patent/WO2012053575A1/fr

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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
    • 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
    • C10M169/06—Mixtures of thickeners and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/003—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/10—Amides of carbonic or haloformic acids
    • C10M2215/102—Ureas; Semicarbazides; Allophanates
    • C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/011—Cloud point
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/02—Bearings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • 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
    • C10N2040/40—Generators or electric motors in oil or gas winning field
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Definitions

  • the present invention relates to a grease composition used for automobile electrical equipment or rolling bearings for auxiliary equipment.
  • diurea grease As grease used for automobile electrical equipment or rolling bearings for auxiliary machinery, diurea grease is often used mainly from the viewpoint of heat resistance.
  • aromatic diurea is often used for high temperature durability.
  • aromatic diurea needs to be blended in a large amount in order to obtain grease having the same hardness as compared with diurea compounds other than aromatic diurea. As a result, the agitation resistance of the grease becomes high and the low torque property cannot be satisfied.
  • a base oil containing an ether-based synthetic oil in an amount exceeding 50% by mass is represented by the following general formula: R 2 —NHCONH—R 1 —NHCONH—R 3 (In the formula, R 1 represents a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, R 2 and R 3 are the same or different groups, and are a cyclohexyl group or a cyclohexyl derivative group having 7 to 12 carbon atoms.
  • a basic oil containing an ester-based synthetic oil is represented by the following general formula: R 1 —NHCONH—R 2 —NHCONH—R 3 (In the formula, R 2 represents a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms. R 1 and R 3 are the same or different groups, and are a cyclohexyl group or a group having 8 to 22 carbon atoms.
  • the problem to be solved by the present invention is to provide a grease composition excellent in low torque property and rust prevention property.
  • low torque at low temperatures is secured by including 30% by mass or more of the synthetic hydrocarbon oil having a low pour point in the base oil.
  • highly refined mineral oil having a low pour point was used.
  • the thickener by using aliphatic diurea alone or in combination with aliphatic diurea and alicyclic diurea, a grease composition having an appropriate hardness even if the amount of the thickener is small. did.
  • the present inventors solved the said subject by selecting and combining a specific base oil, a thickener, and a rust inhibitor. That is, according to the present invention, the following grease composition is provided.
  • a grease composition comprising: 2. 2. The grease composition as described in 1 above, wherein the base oil has a kinematic viscosity at 40 ° C. of 80 to 150 mm 2 / s. 3. 3. 3.
  • the grease composition of the present invention is excellent in low torque property in a wide temperature range, it can contribute to CO 2 reduction by improving fuel efficiency.
  • the grease composition of the present invention is also excellent in rust prevention.
  • the grease composition of the present invention is also excellent in evaporation resistance.
  • the base oil used in the present invention is a blend oil of a synthetic hydrocarbon oil and a highly refined mineral oil having a pour point of -35 ° C or lower.
  • the mass ratio of the synthetic hydrocarbon oil to the highly refined mineral oil having a pour point of ⁇ 35 ° C. or lower is 100: 0 to 30:70.
  • the ratio of the synthetic hydrocarbon oil in the base oil is 30% by mass or more, low torque at low temperatures can be satisfied.
  • the synthetic hydrocarbon oil include poly- ⁇ -olefin, polybutene, and ethylene- ⁇ -olefin oligomer. Of these, poly- ⁇ -olefins are preferred.
  • the highly refined mineral oil used in the present invention reduces the precipitation of wax components at a low temperature by dewaxing treatment, whereby the pour point is higher than the pour point ( ⁇ 5 ° C. to ⁇ 20 ° C.) of the unrefined mineral oil.
  • Mineral oil with low By including a highly refined mineral oil having a pour point of ⁇ 35 ° C. or lower, it can be used without adversely affecting low torque at low temperatures. Also, the evaporation resistance can be used without any problem.
  • the kinematic viscosity of the base oil at 40 ° C. is preferably 80 to 150 mm 2 / s. More preferably, it is 85 to 140 mm 2 / s, and still more preferably 90 to 130 mm 2 / s.
  • the kinematic viscosity of the base oil at 40 ° C. is higher than 150 mm 2 / s, the viscosity of the grease increases and the low torque property cannot be satisfied.
  • the kinematic viscosity of the base oil at 40 ° C. is lower than 80 mm 2 / s, the low torque property is satisfied, but the evaporation resistance is inferior.
  • the synthetic hydrocarbon oil preferably contains a kinematic viscosity at 40 ° C. of 300 mm 2 / s or more.
  • the highly refined mineral oil preferably contains a kinematic viscosity at 40 ° C. of 80 to 130 mm 2 / s, more preferably 80 to 110. Thereby, low torque characteristics can be satisfied. Evaporation resistance is also improved.
  • the pour point of the synthetic hydrocarbon oil is preferably ⁇ 35 ° C. or lower. As a result, low torque characteristics at low temperatures can be satisfied.
  • the ester-based synthetic oil is not preferable in terms of concern about hydrolysis when moisture is mixed from the outside.
  • Ether-based synthetic oils have a high pour point of about ⁇ 30 ° C. and a high torque at low temperatures.
  • Polyglycol-based synthetic oil, silicone-based synthetic oil, and fluorine-based synthetic oil are poor in lubricity and expensive.
  • Thickeners generally used in grease compositions include metal soaps including Li and Na, benton, silica gel, diurea compounds, fluorine-based thickeners typified by polytetrafluoroethylene, etc. Non-soaps.
  • metal soaps do not satisfy the heat resistance, that is, the bearing lubrication life under high temperature
  • Benton and silica gel are inferior in water resistance
  • fluorinated thickeners satisfy the heat resistance but are very expensive. And lacks versatility. Accordingly, the grease composition of the present invention uses a thickener represented by the above formula (1).
  • the content of the alkyl group in the formula (1) that is, ⁇ (number of moles of alkyl group) / (number of moles of alkyl group + number of moles of cyclohexyl group) ⁇ ⁇ 100 is 30 to 100%, If the content is less than 30%, the amount of the thickener increases and the low torque property is inferior.
  • the amount of the thickener (B) in the grease composition of the present invention is preferably 10 to 20% by mass, more preferably 12 to 17% by mass, from the viewpoint of low torque.
  • the grease composition of the present invention contains zinc organic sulfonate and / or alkenyl succinic anhydride as a rust inhibitor. These rust inhibitors have the effect of dispersing moisture even when moisture is mixed from the outside.
  • Organic zinc sulfonate is a zinc salt of sulfonic acid having an organic group which is a lipophilic group.
  • sulfonic acids include aromatic hydrocarbon components in lubricating oil fractions, petroleum sulfonic acids obtained by sulfonation of petroleum high-boiling fractions, synthetic sulfonic acids such as dinonylnaphthalene sulfonic acid and heavy alkylbenzene sulfonic acid, and the like.
  • R 4 represents an alkyl group, an alkenyl group, an alkyl naphthyl group, a dialkyl naphthyl group, an alkylphenyl group, and a petroleum high-boiling fraction residue.
  • the alkyl or alkenyl is linear or branched and has a carbon number.
  • alkenyl succinic anhydride an alkenyl succinic anhydride having an alkenyl group having 6 to 18 carbon atoms can be suitably used. In particular, an alkenyl succinic anhydride having an alkenyl group having 10 to 15 carbon atoms is preferred.
  • the amount of the (C) rust inhibitor in the grease composition of the present invention is preferably 0.1 to 3% by mass, more preferably 0.5 to 2% from the viewpoint of securing rust preventive properties in an environment where salt water can be mixed. % By mass.
  • the grease composition of the present invention may contain additives that are usually used in grease compositions as necessary. Examples include antioxidants typified by amines and phenols, inorganic passivating agents such as sodium nitrite, rust inhibitors typified by amines and carboxylates, and metal corrosion inhibitors typified by benzotriazoles. , Fatty agents represented by fatty acids, fatty acid esters and phosphate esters, antiwear agents and extreme pressure agents represented by phosphorus, sulfur and organometallics, solid lubricants represented by metal oxide salts and molybdenum disulfide Agents and the like.
  • the grease composition of the present invention can be used as a rolling bearing, particularly as a rolling bearing for automobile electrical equipment or auxiliary equipment.
  • rolling bearings for automobile electrical equipment or auxiliary equipment include bearings used in electromagnetic clutches for car air conditioners, intermediate pulleys, idler pulleys, tension pulleys, alternators, water pumps, and the like.
  • electromagnetic clutches for car air conditioners intermediate pulleys, idler pulleys, tension pulleys, alternators, water pumps, and the like.
  • the grease composition is subject to oxidative degradation. Therefore, it is desirable to use an antioxidant in combination rather than using an amine or phenolic alone.

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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

L'invention porte sur une composition de graisse qui contient : (A) une huile de base qui est une huile mélangée, constituée d'une huile hydrocarbonée synthétique et d'une huile minérale extrêmement purifiée ayant un point d'écoulement inférieur ou égal à -35°C, le rapport massique étant de 100:0 à 30:70 ; (B) un agent épaississant représenté par la formule (1)R1-NHCONH-R2-NHCONH-R3 (dans la formule, R2 représente un groupe hydrocarboné aromatique divalent en C6-15 ; R1 et R3 sont des groupes identiques ou différents et représentent des groupes cyclohexyles ou des groupes alkyles droits ou ramifiés en C8-18 ; le rapport [{(nombre de moles des groupes alkyles)/(nombre de moles des groupes alkyles + nombre de moles de groupes cyclohexyles)}x100] est = 30 à 100 %) ; (C) un anhydride alcénylsuccinique et/ou un sulfonate de zinc organique. Cette composition de graisse possède d'excellentes propriétés de faible couple et d'antirouille.
PCT/JP2011/074109 2010-10-20 2011-10-20 Composition de graisse WO2012053575A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11834414.2A EP2631284B1 (fr) 2010-10-20 2011-10-20 Composition de graisse
CN201180050808.5A CN103210070B (zh) 2010-10-20 2011-10-20 润滑脂组合物
KR1020137011244A KR20130073977A (ko) 2010-10-20 2011-10-20 그리스 조성물

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010235372A JP5766425B2 (ja) 2010-10-20 2010-10-20 グリース組成物
JP2010-235372 2010-10-20

Publications (1)

Publication Number Publication Date
WO2012053575A1 true WO2012053575A1 (fr) 2012-04-26

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Country Status (5)

Country Link
EP (1) EP2631284B1 (fr)
JP (1) JP5766425B2 (fr)
KR (1) KR20130073977A (fr)
CN (1) CN103210070B (fr)
WO (1) WO2012053575A1 (fr)

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JP5988376B2 (ja) * 2012-12-03 2016-09-07 協同油脂株式会社 鉄道車両の主電動機軸受用グリース組成物及び軸受
JP6268642B2 (ja) 2014-03-12 2018-01-31 協同油脂株式会社 グリース組成物及びグリース封入車輪用軸受
JP6845633B2 (ja) * 2016-08-04 2021-03-17 協同油脂株式会社 グリース組成物
CN107118137B (zh) * 2017-06-26 2021-10-29 锦州康泰润滑油添加剂股份有限公司 一种油品防锈剂重烷基苯磺酸锌及其制备方法
JP7280800B2 (ja) * 2019-10-16 2023-05-24 協同油脂株式会社 車載電装品の減速機部用グリース組成物
FR3129949B1 (fr) * 2021-12-06 2024-08-30 Totalenergies Marketing Services Graisses lubrifiantes conductrices.

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JPS617079A (ja) 1984-06-21 1986-01-13 Toyo Seikan Kaisha Ltd 溶接缶胴の製造方法
JP2004108403A (ja) * 2002-09-13 2004-04-08 Koyo Seiko Co Ltd 転がり軸受
JP2006300211A (ja) * 2005-04-20 2006-11-02 Ntn Corp 一方向クラッチ内蔵型回転伝達装置
JP2008143979A (ja) * 2006-12-07 2008-06-26 Nsk Ltd グリース組成物及び転がり軸受
JP2008239706A (ja) 2007-03-26 2008-10-09 Kyodo Yushi Co Ltd グリース組成物及び軸受
WO2009093685A1 (fr) * 2008-01-23 2009-07-30 Kyodo Yushi Co., Ltd. Composition d'agent lubrifiant et élément mécanique
WO2009104790A1 (fr) * 2008-02-22 2009-08-27 協同油脂株式会社 Composition de graisse et roulements
JP2010048389A (ja) * 2008-08-25 2010-03-04 Nsk Ltd 転がり軸受
WO2011046201A1 (fr) * 2009-10-15 2011-04-21 協同油脂株式会社 Composition de graisse pour la portée d'une éolienne électrique

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CN103210070A (zh) 2013-07-17
EP2631284A1 (fr) 2013-08-28
JP2012087221A (ja) 2012-05-10
CN103210070B (zh) 2015-04-08
KR20130073977A (ko) 2013-07-03
EP2631284B1 (fr) 2021-01-06
EP2631284A4 (fr) 2015-07-08
JP5766425B2 (ja) 2015-08-19

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