WO2009096570A1 - 潤滑剤組成物 - Google Patents
潤滑剤組成物 Download PDFInfo
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- WO2009096570A1 WO2009096570A1 PCT/JP2009/051666 JP2009051666W WO2009096570A1 WO 2009096570 A1 WO2009096570 A1 WO 2009096570A1 JP 2009051666 W JP2009051666 W JP 2009051666W WO 2009096570 A1 WO2009096570 A1 WO 2009096570A1
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- lubricant composition
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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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
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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
- 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
- C10M169/02—Mixtures of base-materials and thickeners
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/0416—Carbon; Graphite; Carbon black used as thickening agents
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/105—Silica
- C10M2201/1056—Silica used as thickening agents
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only
- C10M2213/026—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only used as thickening agents
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
- C10M2213/046—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen used as thickening agents
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/0613—Perfluoro polymers used as thickening agents
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
- C10M2213/0626—Polytetrafluoroethylene [PTFE] used as thickening agents
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
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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
- 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
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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
- 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
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- 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
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- 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
- C10N2020/079—Liquid crystals
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- 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
- C10N2030/08—Resistance to extreme temperature
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- 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
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- 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
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- 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
- C10N2040/18—Electric or magnetic purposes in connection with recordings on magnetic tape or disc
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- 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 lubricant composition, and more particularly to a lubricant composition which is suitable for use with a fluorine oil or a fluorine grease and which is excellent in anti-degradability.
- Fluorine-based lubricants are widely used to lubricate various machines such as automobiles, electrical devices, construction machines, information devices, industrial machines, machine tools, and parts constituting them. In recent years, as the speed, size, performance, and weight of these machines increase, the temperatures of these peripheral devices tend to increase.
- Patent Document 1 discloses a phosphonic acid compound having a perfluoropolyether group as a fluorine-containing group. Such compounds are soluble in fluorine oil and have excellent lubricity. However, it is the fact that the demand for the anti-degrading characteristics, which has been increasing in recent years, has not been satisfied.
- U.S. Pat. No. 5,648,095 discloses aryl phosphonate and phosphonate compounds that include or do not include mono or polyalkylene oxide linking groups between the phosphorus and the fluorocarbon group.
- fluorine-containing group and the phosphoric acid group form a C—O—P bond
- hydrolysis occurs and the heat resistance and durability become inferior.
- the heat resistance which is the feature of can not be exhibited.
- Patent Document 3 describes a lubricant for a magnetic disk comprising a repeating unit of-(CF 2 O)-and a stabilizing compound composed of CHNRR '.
- a lubricant for a magnetic disk comprising a repeating unit of-(CF 2 O)-and a stabilizing compound composed of CHNRR '.
- the production of these compounds requires expensive methanesulfonyl chloride and special reaction procedures such as the reaction under anhydrous conditions, so there is a problem that scale-up is not easy.
- Patent Document 4 discloses a compound having a pyridine ring, and shows good performance in the stability of a perfluoropolyether base.
- the pyridine derivative and the corresponding fluorinated alcohol, the corresponding esterification of the acid fluoride and the reduction reaction are usually required, and it is suggested that the process is multistep (patent document 5).
- the perfluoropolyether having a (CF 2 O) group improves durability by adding an amide-containing compound in the presence of graphite or molybdenum disulfide.
- the durability characteristics are not sufficient yet, and it is necessary to meet even more severe market demands.
- lubricants are required to use equipment in the coastal area, prevent rust during transportation of parts overseas, and also require low friction and wear resistance for reasons such as improvement of production efficiency and reduction of maintenance intervals, and catalysts Anti-corrosion properties are particularly sought for the purpose of stable use in a contact environment with the working members.
- Patent Document 7 a fluorine grease composition is developed for a rolling bearing having excellent rusting performance in addition to durability at high temperature, and a magnesium compound and a volatile rust inhibitor are added to the grease composition.
- benzotriazole is mainly used as a volatile rust inhibitor, and although it has been successful in imparting rust prevention performance, the volatile rust inhibitor used Benzotriazole is apt to be thermally degraded, and when used at high temperatures, causes a decrease in the life of the lubricant itself. Moreover, since the solubility to a fluorine oil is low, the diversion to a fluorine oil is also impossible.
- Patent Document 8 discloses a carboxyl group and an amide derivative as an additive having high solubility in fluorine oil. Certainly, a carboxyl group and an amide group form a metal protective film and improve the rust prevention performance, but they lack heat stability, so when used under high temperature, the rust prevention effect can not be exhibited continuously.
- Patent Document 9 discloses a fluorine grease to which a carboxylic acid derivative containing disodium sebacate, sodium carbonate, and a perfluoropolyether chain is added as an antirust additive for use from low temperature to high temperature. It is true that these additives can improve the antirust performance, but from the standpoint of solubility in fluorine oil and heat resistance, they are not sufficient for high temperature fluorine oils and greases.
- Patent Document 10 rust resistance is imparted by a compound containing a perfluoropolyether chain having an aryltriazine end group.
- an object of the present invention is to provide a lubricant composition which is suitable for fluorine oil and fluorine grease and is excellent in anti-degradability.
- Another object of the present invention is to provide a lubricant composition which is suitable for use with a fluorine oil or fluorine grease and which has excellent corrosion resistance while having heat resistance.
- the invention according to claim 1 is a lubricant composition
- Y represents an oxygen atom (O), a sulfur atom (S), a CO group, an SO group or an SO 2 group
- k is an integer of 1 to 5
- m is an integer of 0 to 10
- n is an integer of 2 or more.
- the substitution position of the two substituents on the phenyl group may be any of ortho, meta and para positions.
- the invention according to claim 2 is a lubricant composition excellent in corrosion resistance comprising the fluorine-containing diamide compound represented by the above general formula (I) and a lubricating oil.
- Y represents an oxygen atom (O), a sulfur atom (S), a CO group, an SO group or an SO 2 group
- k is an integer of 1 to 5
- m is an integer of 0 to 10
- n is an integer of 1 or more.
- the substitution position of the two substituents on the phenyl group may be any of ortho, meta and para positions.
- the invention according to claim 3 is the lubricant composition according to claim 1 or 2, wherein in the general formula (I), Y is an oxygen atom (O) or a sulfur atom (S).
- the invention according to claim 4 is the lubricant composition according to claim 1, 2 or 3, wherein the lubricating oil comprises a perfluoropolyether oil having a kinematic viscosity (40 ° C.) of 5 to 2000 mm 2 / s.
- the invention according to claim 5 is the lubricant composition according to any one of claims 1 to 4, which contains a thickener.
- the thickener is a fine particle having an average primary particle diameter of 0.01 to 50 ⁇ m, and the particle contains at least one selected from fluorine resin, silica, graphite and carbon. It is a lubricant composition as described.
- the invention according to claim 7 is the lubricant composition according to claim 5 or 6, wherein the thickener comprises at least one selected from metal soaps, metal complex soaps, urea, metal salts of aliphatic dicarboxylic acids. .
- the invention according to claim 8 is the lubricant composition according to any one of claims 1 to 7, which is used for a bearing, a gear, a linear guide or a magnetic disk.
- a lubricant composition which is suitable as a fluorine oil or a fluorine grease and which is excellent in anti-degradability.
- a lubricant composition which is suitable as a fluorine oil or a fluorine grease, and which has excellent corrosion resistance while having heat resistance.
- the lubricant composition of the present invention comprises a fluorine-containing diamide compound (additive) represented by the above general formula (I) and a lubricating oil (base oil) and is excellent in anti-degradability,
- General formula (I) is the same including two types of lubricant compositions excellent in rustability. The two have a slight difference in n in the general formula (I).
- Y represents an oxygen atom (O), a sulfur atom (S), a CO group, an SO group or an SO 2 group, preferably an oxygen atom (O) or a sulfur atom (S).
- K is an integer of 1 to 5, preferably 1 to 3.
- M is an integer of 0 to 10, preferably in the range of 1 to 5, and more preferably 1 or 2.
- m exceeds 10 the viscosity of the additive becomes high and it becomes insoluble in the target base oil.
- n is an integer of 1 or more, preferably in the range of 2 to 40.
- n is less than 1, the amount of evaporation increases in the high temperature range, but the height of the antirust effect does not change. There is also the problem that it does not dissolve in base oil.
- substitution position of the two substituents on the phenyl group may be any of ortho, meta and para positions.
- the fluorine-containing diamide compound represented by the general formula (I) is, for example, an acid fluoride compound represented by the following general formula (II) and a compound having a diamino group represented by the following general formula (III) in a pyridine solvent It can be reacted and synthesized.
- n is an integer of 2 or more, preferably in the range of 2 to 40.
- n is an integer of 1 or more, preferably in the range of 2 to 40.
- Y represents an oxygen atom (O), a sulfur atom (S), a CO group, an SO group or an SO 2 group, preferably an oxygen atom (O) or a sulfur atom (S).
- M is an integer of 0 to 10, preferably in the range of 1 to 5, and more preferably 1 or 2.
- substitution position of the two substituents on the phenyl group may be any of ortho, meta and para positions.
- Oral rat toxicity LD50 890 mg / kg Liquid at normal temperature (melting point-42 ° C, boiling point 115.5 ° C)
- Pyridine which is a solvent, does not have to be a single substance, and other organic solvents may be used in combination to improve the solubility of the raw material compound and the reaction product.
- 1,4-bis (4-aminophenoxy) benzene and the like can be mentioned, and such 1,4-bis (4-aminophenoxy) benzene is exemplified by CAS No. . 10526-07-5, 2479-46-1, 3491-12-1, etc. can be obtained from commercial products.
- the above synthesis method is a method in the case where k is 3 in the compound represented by the general formula (I), but the compound can be similarly synthesized using acid fluorides having different k. Also in that case, it is important to use a pyridine solvent.
- a perfluoropolyether oil represented by the following general formula (IV) can be preferably used.
- R f represents a C 1 -C 5 perfluoro lower alkyl group such as a perfluoromethyl group or a perfluoroethyl group.
- perfluoropolyether oils represented by the general formula (IV) perfluoropolyether oils of the following general formula (V) to the general formula (VIII) can be mentioned as specific compounds.
- the perfluoropolyether oil represented by the general formula (V) is an anion of hexafluoropropylene by completely fluorinating a precursor formed by photooxidation polymerization of hexafluoropropylene or under a cesium fluoride catalyst. It is obtained by polymerizing and treating the obtained acid fluoride compound having a terminal CF (CF 3 ) COF group with fluorine gas.
- the perfluoropolyether oil represented by the general formula (VI) is obtained by anionically polymerizing 2,2,3,3-tetrafluorooxetane in the presence of a cesium fluoride catalyst, and the obtained fluorinated polyether (CF 2) It is obtained by fluorine gas treatment under irradiation of ultraviolet light at 160 to 300 ° C. with CF 2 CF 2 O) n.
- the perfluoropolyether oil represented by the general formula (VII) is obtained by completely fluorinating a precursor formed by photooxidation polymerization of tetrafluoroethylene.
- the perfluoropolyether oil represented by the general formula (VIII) is obtained by completely fluorinating a precursor formed by photooxidation polymerization of hexafluoropropene.
- perfluoropolyether oils base oils
- base oils can be used alone or in combination.
- a preferred perfluoropolyether oil is a perfluoropolyether oil having a kinematic viscosity (40 ° C.) of 5 to 2000 mm 2 / s when it is used as a lubricating oil.
- the method of measuring the kinematic viscosity is in accordance with JIS K-2283 (Canon-Fenske viscometer).
- the amount is less than 5 mm 2 / s, the amount of evaporation is large, and the condition of the amount of evaporation (1.5% or less) defined by the three types of greases for JIS rolling bearings, which is the rule of grease for heat resistance, is not satisfied.
- the pour point JIS K-2283
- the bearing does not rotate at low temperature startup in the usual method, and heating is necessary to make it usable.
- a more preferable range of the viscosity (40 ° C.) is about 10 to 1500 mm 2 / s.
- composition ratio The composition comprising the perfluoropolyether oil (base oil) as described above and the fluorinated amide compound which is a novel primary amine derivative represented by the general formula (I) is a novel combination.
- the blending ratio of the fluorinated amide compound can be 0.1 to 20% by mass of the entire lubricant composition (oil composition), and in particular, 0.5 to 5% by mass is desirable. If it is less than 0.1% by mass, sufficient effect as a lubricant can not be obtained. Moreover, when it exceeds 20 mass%, the performance corresponding to cost performance can not be exhibited.
- the lubricant composition of the present invention can be mixed with a base oil other than the above-mentioned perfluoropolyether oil.
- the oil can not be used as it is because it separates even when mixed with perfluoropolyether oil.
- a thickener described later is blended and used as a grease.
- the type of base oil other than perfluoropolyether oil is not particularly limited, but synthetic hydrocarbon oils such as poly- ⁇ -olefin, ethylene- ⁇ -olefin copolymer, polybutene, alkylbenzene and alkylnaphthalene; Alkylene glycols and ether oils such as various phenyl ethers; monoesters, diesters, polyol esters (neopentyl glycol ester, trimethylolpropane ester, pentaerythritol ester, dipentaerythritol ester, complex ester etc.), aromatic ester, carbonate ester, etc. Ester oils; various silicone oils; synthetic oils such as various fluorine oils; paraffinic mineral oils; naphthenic mineral oils; or mineral oils purified by appropriately combining these with solvent refining, hydrorefining, etc. At least one can be used.
- synthetic hydrocarbon oils such as poly- ⁇ -olefin, ethylene- ⁇ -ole
- lubricating oils base oils
- base oils other than these perfluoropolyether oils are not particularly limited, and may be appropriately selected according to the conditions of use.
- the type of lubricating oil is preferably a synthetic oil which is more heat resistant than mineral oil, and more preferably an ester oil as a main component.
- kinematic viscosity 40 ° C.
- those having a kinematic viscosity (40 ° C.) of about 2 to 1,000 mm 2 / s are preferable, and those having about 5 to 500 mm 2 / s are more preferably used.
- the method of measuring the kinematic viscosity is in accordance with JIS K-2283 (Canon-Fenske viscometer).
- the kinematic viscosity is less than this range, the evaporation loss may increase, the oil film strength may decrease, and the life may be reduced, causing wear or burning, while the kinematic viscosity exceeding this range may be used. If this is the case, problems such as increase in power consumption and torque may occur, such as an increase in viscous resistance.
- the lubricant composition of the present invention can be sufficiently used also as a fluorine oil, but is also effective as a grease in consideration of the sealing property. In this case, a thickener is blended.
- PTFE polytetrafluoroethylene
- FEP tetrafluoroethylene-hexafluoropropene copolymer
- perfluoroalkylene resin etc.
- Polytetrafluoroethylene produces polytetrafluoroethylene having a number average molecular weight Mn of about 1000 to 1,000,000 by a method such as emulsion polymerization, suspension polymerization or solution polymerization of tetrafluoroethylene, which is then thermally What is processed by methods such as decomposition, electron beam irradiation decomposition, physical pulverization, etc. and the number average molecular weight Mn is about 1000 to 500,000 is used.
- the copolymerization reaction with tetrafluoroethylene and hexafluoropropene and the treatment for reducing the molecular weight in producing tetrafluoroethylene-hexafluoropropene copolymer (FEP) are the same as in the case of polytetrafluoroethylene.
- the number average molecular weight is about 1000 to 600,000.
- control of molecular weight can be performed using a chain transfer agent at the time of a copolymerization reaction.
- the powdery fluororesin obtained is generally fine particles of about 500 ⁇ m or less, preferably fine particles having an average primary particle size of 0.01 to 50 ⁇ m, and more preferably having an average primary particle size of 0.1 to 30 ⁇ m.
- the average particle size in the “average primary particle size” is an arithmetic mean of primary particles (100 or more) of particles observed by an electron microscope.
- the primary particle size is the particle size of particles such as polytetrafluoroethylene in the form of non-aggregated smallest units, meaning the largest particle size that can be measured between two opposite points of the diameter of the individual particles.
- silica silicon dioxide
- graphite graphite
- carbon and further melamine cyanurate which are fine particles having an average primary particle diameter of 0.01 to 50 ⁇ m, other than the above-mentioned fluororesin particles. It is also preferable to use at least one selected from TiO 2 (titanium oxide) or BN (boron nitride).
- metal soaps such as Li soaps, metal complex soaps, minerals such as urea resin and bentonite, organic pigments, polyethylene, polypropylene and polyamides can also be used.
- aliphatic dicarboxylic acid metal salts monoamide monocarboxylic acid metal salts, monoester carboxylic acid metal salts, diurea, triurea, tetraurea and the like are desirable.
- pour point depressants examples include di (tetraparaffin phenol) phthalate, condensation products of tetra paraffin phenol, condensation products of alkyl naphthalene, chlorinated paraffin-naphthalene condensate, alkylated polystyrene and the like.
- ashless type dispersing agent a succinimide type, a succinic acid amide type, a benzylamine type, ester-type ashless dispersing agent etc. can be mentioned, for example.
- metal detergents include metal salts of sulfonic acids, metal salts of alkyl phonols, metal salts of salicylic acids, and the like, represented by dinonyl naphthalene sulfonic acid.
- antioxidants examples include phenols such as 2,6-di-t-butyl 4-methylphenol and 4,4'-methylenebis (2,6-di-t-butylphenol), and alkyl diphenylamines (alkyl groups). Are those having 4 to 20 carbon atoms), triphenyldiamine, phenyl- ⁇ -naphthylamine, phenothiazine, alkylated phenyl- ⁇ -naphthylamine, phenithiazine, amine antioxidants such as alkylated phenothiazine, phosphorus antioxidants, sulfur A system antioxidant etc. are mentioned, etc. can be used individually or in mixture of 2 or more types.
- benzoimidazole benzotriazole, thiadiazole etc.
- benzoimidazole benzotriazole
- thiadiazole thiadiazole
- dimethylpolysiloxane polyacrylic acid
- metal soap fatty acid ester
- Antiwear agents include, for example, phosphorus compounds such as phosphates, phosphites and phosphate esters, sulfur compounds such as sulfides and disulfides, and chlorine compounds such as chlorinated paraffin and chlorinated diphenyl. Examples thereof include compounds and organic metal compounds such as zinc dialkyl dithiophosphate (ZnDTP) and molybdenum dialkyl dithiocarbamate (MoDTP).
- ZnDTP zinc dialkyl dithiophosphate
- MoDTP molybdenum dialkyl dithiocarbamate
- oil agent examples include fatty acids, higher alcohols, polyhydric alcohols, polyhydric alcohol esters, aliphatic esters, aliphatic amines, fatty acid monoglycerides, and the like.
- AK-225 a mixture of CF 3 CF 2 CHCl 2 , CClF 2 CF 3 CHClF
- AK-225 was distilled off with an evaporator to obtain a pale yellow high viscosity liquid (C-2).
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- Example 4 10 g of (C-2) obtained in Example 1, 130 g of base oil (A-1), thickener (B-1) (emulsion polymerization polytetrafluoroethylene, molecular weight about 100,000 to 200,000, average After stirring and mixing 60 g of primary particle diameter 0.2 ⁇ m, the mixture was kneaded with a three-roll mill to obtain a white grease-like substance.
- B-1 base oil
- B-1 thickener
- Example 5 2 g of (C-4) obtained in Example 1, 138 g of base oil (A-1), thickener (B-2) (suspension polymerization method polytetrafluoroethylene, molecular weight about 10,000 to 100,000, After stirring and mixing 60 g of the average primary particle size (5 ⁇ m), the mixture was kneaded with a three-roll mill to obtain a white grease-like substance.
- Example 6 6 g of (C-3) obtained in Example 1, 64 g of base oil (A-1) and 86 g of the following base oil (A-5), 30 g of thickener (B-1) and thickener (B-) 3) (aliphatic diurea) 14 g was stirred and mixed, and then kneaded using a three-roll mill to obtain a white grease-like substance.
- Example 7 Stir 4 g of (C-3) obtained in Example 1, 130 g of base oil (A-1), 56 g of thickener (B-1) and 10 g of thickener (B-4) (sodium sebacate) After mixing, the mixture was kneaded with a three-roll mill to obtain a white grease-like substance.
- Comparative Example 1 The weight loss rate (loss rate) was measured in the same manner as in Example 1 except that only the base oil (A-1) was used as a sample and iron powder was added. The results are shown in Table 1.
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- Comparative example 3 A transparent solution was obtained using the following (C-5) in place of (C-1) in Comparative Example 2.
- Comparative example 4 6 g of the following (C-6) was added to 194 g of the base oil (A-1), and a transparent solution was obtained in the same manner as in Comparative Example 2.
- Comparative example 5 A transparent solution was obtained in the same manner as in Comparative Example 2 except that the following (C-7) was used instead of the (C-1).
- Comparative example 6 A transparent solution was obtained in the same manner as in Comparative Example 4 except that the following (C-8) was used instead of (C-6).
- Comparative example 7 A transparent solution was obtained in the same manner as in Comparative Example 4 except that the following (C-9) was used instead of (C-6).
- Comparative Example 8 A transparent solution was obtained in the same manner as in Comparative Example 4 except that the following (C-10) was used instead of (C-6).
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- AK-225 (CF 3 CF 2 CHC l2, CClF 2 CF 3 mixture of CHClF), and washed with saturated aqueous NaCl. AK-225 was distilled off with an evaporator to obtain a yellow powder (C-1) (124.8 g 99.1%).
- the antirust test was done according to JIS K 2246 (temperature 49 ° C., humidity 95%, 50 hours).
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- Example 11 A solution was obtained in the same manner as in Example 10 except that 196 g of a base oil (A-2) of the following formula and 4 g of C-3 were used instead of A-1, and a rust prevention test was conducted.
- Example 12 A solution was obtained in the same manner as in Example 10 except that 190 g of a base oil (A-3) of the following formula and 10 g of C-3 were used instead of A-1, and a rustproof test was conducted.
- reaction mixture was neutralized with saturated aqueous NaHCO 3 solution.
- Example 14 2 g of (C-2) obtained in Example 9, 138 g of base oil (A-1), thickener (B-1: emulsion polymerization method polytetrafluoroethylene, molecular weight about 100,000 to 200,000, average first order After stirring and mixing 60 g of a particle diameter of 0.2 ⁇ m, the mixture was kneaded with a three-roll mill to obtain a white grease-like substance.
- A-1 base oil
- B-1 emulsion polymerization method polytetrafluoroethylene, molecular weight about 100,000 to 200,000, average first order
- This grease-like substance was used as a sample, and a rust prevention test was conducted in the same manner as in Example 8.
- Example 15 The grease-like substance obtained in Example 14 was subjected to an anticorrosion test according to the provisions of DIN 51802 (EMCOR test, temperature; room temperature, test time; 165 hours, rotational speed: 80 rpm, test medium; distilled water). After the test time, the rusting of the bearing was evaluated in six stages according to the criteria shown in Table 4. The evaluation results are shown in Table 5.
- Comparative Example 13 A white grease-like substance was obtained in the same manner as in Example 14 except that the additive (C-2) was removed and the base oil (A-1) was increased to 140 g. With respect to this grease-like substance, the occurrence of rust was evaluated in the same manner as in Example 15. The evaluation results are shown in Table 5.
- the present invention relates to a lubricant composition (in particular, as an oil, a grease, or a dispersion) which imparts lubricity, antidegradability or rust resistance, and can be used stably for a long time in the field of using a lubricant. It can be used in the field of use.
- a lubricant composition in particular, as an oil, a grease, or a dispersion
- automotive accessories electrical equipment, construction machines, information equipment, industrial machines, machine tools, audiovisual equipment, precision / electric / electronics such as LBP, for office equipment, PC, HDD recording media such as HDD, circuit breakers, electrical contacts , Semiconductor manufacturing equipment, home appliances, clean rooms, dampers, metal processing, transport equipment, automotive industry OEM, railways, ships, aviation, food and medicine industry, steel, mining, glass and cement industry, chemical, rubber and resin industry, film
- the fields of tenter, paper industry, printing industry, wood industry, textiles / apparel, machine parts that move relative to one another, internal combustion engines, various machines such as pumps, and parts that constitute them can be mentioned.
- bearings such as rolling bearings, ball bearings, roller bearings, angular bearings, thrust bearings, impregnated bearings, iron-based bearings, copper-based bearings, dynamic pressure bearings, resin bearings, inner ring rotating bearings, outer ring rotating bearings, etc.
- linear motion devices such as ball screws, linear motion bearings, etc.
- Power transmissions such as reduction gears and speed increasing gears, gears, chains, chain bushes and motors, vacuum pumps, valves, seals, pneumatics etc.
- Taps / seals machine tools such as electric tools, fixing rollers, spindles, torque limiters, engines, alternators, tension pulleys, idler pulleys, fuel pumps, oil pumps, intake systems / fuel, throttles, electronically controlled throttles, (exhaust gas circulation system Etc.), exhaust system parts, cooling system, electric fan motor, fan coupling, water pump, air conditioning system, compressor Driving system, hub bearing, braking system, ABS, brake, steering system, power steering, suspension system, drive system, ball joint, transmission, inner / exterior system (power window, head light, adjustment of light axis of door mirror) , Fuel cells, linear guides, electrical contacts, AT switches, combination switches, power window switches, etc.
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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
Description
〔式中、Yは酸素原子(O)、硫黄原子(S)、CO基、SO基又はSO2基を表わし、kは1~5の整数であり、mは0~10の整数であり、nは2以上の整数である。フェニル基に有する2つの置換基の置換位置は、オルト位、メタ位、パラ位の何れでも良い。〕
〔式中、Yは酸素原子(O)、硫黄原子(S)、CO基、SO基又はSO2基を表わし、kは1~5の整数であり、mは0~10の整数であり、nは1以上の整数である。フェニル基に有する2つの置換基の置換位置は、オルト位、メタ位、パラ位の何れでも良い。〕
一般式(I)中、Yは酸素原子(O)、硫黄原子(S)、CO基、SO基又はSO2基を表わし、好ましくは酸素原子(O)又は硫黄原子(S)である。
常温において液体(融点-42℃、沸点115.5℃)
本発明における潤滑油(必要により以下、基油という場合がある。)としては、下記一般式(IV)で示されるパーフルオロポリエーテル油を好ましく用いることができる。
RfO(CF2O)f(C2F4O)g(C3F6O)hRf
上記式中、Rfはパーフルオロメチル基、パーフルオロエチル基などの炭素数1~5のパーフルオロ低級アルキル基を表わす。
RfO[CF(CF3)CF2O]iRf
上記式中、Rfは前記定義と同じであり、iは2~200の整数である。
F(CF2CF2CF2O2)2~100CF2CF3
この一般式(VI)で示されるパーフルオロポリエーテル油は、フッ化セシウム触媒の存在下に2,2,3,3-テトラフルオロオキセタンをアニオン重合させ、得られた含フッ素ポリエーテル(CF2CF2CF2O)nを160~300℃の紫外線照射下のもと、フッ素ガス処理することにより得られる。
RfO(CF2CF2O)j(CF2O)kRf
上記式中、Rfは前記定義と同じであり、j+k=3~200であり、j:k=10:90~90:10でランダムに結合している。
RfO[CF(CF3)CF2O]l(CF2O)mRf
上記式中、Rfは前記定義と同じであり、l+m=3~200、l:m=10:90でランダムに結合している。
上記のようなパーフルオロポリエーテル油(基油)と一般式(I)で示される新規な一級アミン誘導体である含フッ素アミド化合物を含む組成物は、組み合わせが新規なものである。
本発明の潤滑剤組成物には、上述のパーフルオロポリエーテル油以外の基油を混合することができる。ただし、オイルとしては、パーフルオロポリエーテル油と混合しても分離してしまうため、そのままでは使用できない。この場合、後述の増稠剤を配合し、グリースとして使用する。
本発明の潤滑剤組成物は、フッ素オイルとしても十分使用できうるものであるが、シール性を考慮した場合、グリースとしても有効である。この場合、増稠剤を配合する。
本発明の目的が損なわれない範囲で、必要に応じ、一般的な合成油を基油とした潤滑剤に使用される流動点降下剤、無灰系分散剤、金属系清浄剤、酸化防止剤、腐食防止剤、消泡剤、耐磨耗剤、油性剤などの公知の添加剤を、用途に応じて添加することができる。
1,4-ビス(4-アミノフェノキシ)ベンゼン10.1gを、ピリジン100ml、AK-225の混合溶媒に溶解し、室温にて酸フロライド(n=11)209.0gをゆっくり滴下し、室温から40℃の条件下で終夜攪拌した。
Rf(CF2CF2O)m(CF2O)nRf
Rf:パーフルオロ低級アルキル基
粘度(40℃):160mm2/s
1,4-ビス(4-アミノフェノキシ)ベンゼン10.1gを、ピリジン100ml、AK-225 100mlの混合溶媒に溶解し、室温にて酸フロライド(n=40) 101.0gをゆっくり滴下し、室温から40℃の条件下で終夜攪拌した。
ビス〔4-(アミノフェノキシ)フェニル〕スルホン3gを、ピリジン100ml、AK-225の混合溶媒に溶解し、室温にて酸フロライド(n=11)209.0gをゆっくり滴下し、室温から40℃の条件下で終夜攪拌した。
実施例1で得られた(C-2)10gと、基油(A-1)130g、増稠剤(B-1)(乳化重合法ポリテトラフルオロエチレン、分子量約10万~20万、平均一次粒径0.2μm)60gを攪拌混合後、3本ロールにて混練し、白色のグリース状物質を得た。
実施例1で得られた(C-4)2gと、基油(A-1)138g、増稠剤(B-2)(けん濁重合法ポリテトラフルオロエチレン、分子量約1万~10万、平均一次粒径5μm)60gを攪拌混合後、3本ロールにて混練し、白色のグリース状物質を得た。
実施例1で得られた(C-3)6gと、基油(A-1)64g及び下記基油(A-5) 86g、増稠剤(B-1)30g及び増稠剤(B-3)(脂肪族ジウレア)14gを攪拌混合後、3本ロールにて混練し、白色のグリース状物質を得た。
ジペンタエリスリトール脂肪酸エステル
(株式会社ADEKA製 アデカプルーバーH-450)
実施例1で得られた(C-3)4gと、基油(A-1)130g、増稠剤(B-1)56g及び増稠剤(B-4)(セバシン酸ナトリウム)10gを攪拌混合後、3本ロールにて混練し、白色のグリース状物質を得た。
基油(A-1)のみを試料とし、鉄粉を加えた以外は、実施例1と同様に重量減少率(消失率)を測定した。その結果を表1に示す。
1,4-ビス(4-アミノフェノキシ)ベンゼン29.5gを、ピリジン200mlに溶解し、氷浴上にて酸フロライド(n=1)124gをゆっくり滴下し、0℃から室温の条件下で終夜攪拌した。
比較例2において、(C-1)に代えて、下記(C-5)を用いて、透明溶液を得た。
(RfO[CF(CF3)CF2O]pCF(CF3)CONHC6H12NH2)
下記(C-6)6gを、基油(A-1)194gに添加し、比較例2と同様にして透明溶液を得た。
(RfO[CF(CF3)CF2O]pCF(CF3)CONHC6H12NHCOCF(CF3)[OCF2CF(CF3)]pORf)
(C-1)に代えて、下記(C-7)を用いた以外は比較例2と同様に透明溶液を得た。
(RfO[CF(CF3)CF2O]pCF(CF3)CONHC6H12NHCH2CH3)
(C-6)に代えて、下記(C-8)を用いた以外は比較例4と同様に透明溶液を得た。
(RfO[CF(CF3)CF2O]pCF(CF3)CONHC4H8NHCOCF(CF3)[OCF2CF(CF3)]pORf)
(C-6)に代えて、下記(C-9)を用いた以外は比較例4と同様に透明溶液を得た。
(C3H7O[CF2CF(CF3)O]tCF(CF3)(CH2)2PO(OC2H5)2 2≦t≦6)
(C-6)に代えて、下記(C-10)を用いた以外は比較例4と同様に透明溶液を得た。
(C3H7O[CF2CF(CF3)O]uCF(CF3)(CH2)2PO(OC6H5)2 2≦u≦6)
1,4-ビス(4-アミノフェノキシ)ベンゼン29.5gを、ピリジン200mlに溶解し、氷浴上にて酸フロライド(n=1)124gをゆっくり滴下し、0℃から室温の条件下で終夜攪拌した。
Rf(CF2CF2O)m(CF2O)nRf
Rf:パーフルオロ低級アルキル基
粘度(40℃):160mm2/s
1,4-ビス(4-アミノフェノキシ)ベンゼン 10.1gを、ピリジン100ml、AK-225の混合溶媒に溶解し、室温にて酸フロライド(n=11 209.0g)をゆっくり滴下し、室温から40℃の条件下で終夜攪拌した。
1,4-ビス(4-アミノフェノキシ)ベンゼン 2gを、ピリジン100ml、AK-225 100mlの混合溶媒に溶解し、室温にて酸フロライド(n=40 101.0g)をゆっくり滴下し、室温から40℃の条件下で終夜攪拌した。
A-1に代えて下記式の基油(A-2)196g、C-3を4g使用した以外は実施例10と同様にして溶液を得、防錆試験を行った。
Rf〔CF(CF3)CF2〕m(CF2O)nRf
Rf:パーフルオロ低級アルキル基
粘度(40℃):400mm2/s
A-1に代えて下記式の基油(A-3)190g、C-3を10g使用した以外は実施例10と同様にして溶液を得、防錆試験を行った。
RfO〔CF(CF3)CF2O〕nRf
Rf:パーフルオロ低級アルキル基
粘度(40℃):100mm2/s
ビス〔4-(アミノフェノキシ)フェニル〕スルホン 3gを、ピリジン100ml、AK-225の混合溶媒に溶解し、室温にて酸フロライド(n=11 209.0g)をゆっくり滴下し、室温から40℃の条件下で終夜攪拌した。
F〔CF2CF2CF2O〕mRf
粘度(40℃):200mm2/s
実施例9で得られた(C-2)2gと、基油(A-1)138g、増稠剤(B-1:乳化重合法ポリテトラフルオロエチレン、分子量約10万~20万、平均一次粒径0.2μm)60gを攪拌混合後、3本ロールにて混練し、白色のグリース状物質を得た。
基油(A-1)のみについて、実施例8と同様に防錆試験を行った。
基油(A-2)のみについて、実施例8と同様に防錆試験を行った。
基油(A-3)のみについて、実施例9と同様に防錆試験を行った。
基油(A-4)のみについて、実施例9と同様に防錆試験を行った。
実施例14で得られたグリース状物質について、DIN51802(EMCOR試験、温度;室温、試験時間;165時間、回転速度;80rpm、試験媒体;蒸留水)の規定に従い防錆試験を行った。試験時間後、軸受の錆発生を表4に示す基準に従って、6段階に評価した。評価結果を表5に示す。
添加剤(C-2)を除外し、基油(A-1)を140gに増量した以外は実施例14と同様な方法で、白色のグリース状物質を得た。このグリース状物質について、実施例15と同様な方法で錆発生を評価した。評価結果を表5に示す。
Claims (8)
- 上記一般式(I)で示される含フッ素ジアミド化合物と、潤滑油とからなる防錆に優れた潤滑剤組成物。
〔式中、Yは酸素原子(O)、硫黄原子(S)、CO基、SO基又はSO2基を表わし、kは1~5の整数であり、mは0~10の整数であり、nは1以上の整数である。フェニル基に有する2つの置換基の置換位置は、オルト位、メタ位、パラ位の何れでも良い。〕 - 前記一般式(I)において、Yは酸素原子(O)又は硫黄原子(S)である請求項1又は2記載の潤滑剤組成物。
- 前記潤滑油が、動粘度(40℃)5~2000mm2/sのパーフルオロポリエーテル油を含む請求項1、2又は3記載の潤滑剤組成物。
- 増稠剤を含む請求項1~4の何れかに記載の潤滑剤組成物。
- 前記増稠剤が、平均一次粒径0.01~50μmの微粒子であり、その粒子がフッ素樹脂、シリカ、グラファイト、カーボンから選ばれる少なくとも1種を含む請求項5記載の潤滑剤組成物。
- 前記増稠剤が、金属石けん、金属複合石けん、ウレア、脂肪族ジカルボン酸金属塩から選ばれる少なくとも1種を含む請求項5又は6記載の潤滑剤組成物。
- 軸受、ギヤ、リニアガイド又は磁気ディスクに使用される請求項1~7の何れかに記載の潤滑剤組成物。
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JP6919848B2 (ja) * | 2017-05-01 | 2021-08-18 | 出光興産株式会社 | グリース組成物 |
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CN114250100A (zh) * | 2021-12-30 | 2022-03-29 | 湖北图致新材料科技有限公司 | 一种基于高分子材料优化的润滑油配方及其制备工艺 |
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US10077231B2 (en) | 2015-02-03 | 2018-09-18 | Blue Current, Inc. | Functionalized fluoropolymers and electrolyte compositions |
US10227288B2 (en) | 2015-02-03 | 2019-03-12 | Blue Current, Inc. | Functionalized fluoropolymers and electrolyte compositions |
US10308587B2 (en) | 2015-02-03 | 2019-06-04 | Blue Current, Inc. | Functionalized fluoropolymers and electrolyte compositions |
WO2022158501A1 (ja) * | 2021-01-20 | 2022-07-28 | 株式会社Moresco | パーフルオロポリエーテル化合物、潤滑剤および磁気ディスク |
Also Published As
Publication number | Publication date |
---|---|
US8492320B2 (en) | 2013-07-23 |
DE112009005504A5 (de) | 2013-05-02 |
DE112009005504B4 (de) | 2017-03-09 |
DE112009000197T8 (de) | 2012-01-19 |
DE112009000197T5 (de) | 2010-12-09 |
DE112009000197B4 (de) | 2015-07-16 |
US20120264663A1 (en) | 2012-10-18 |
US20100305012A1 (en) | 2010-12-02 |
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