WO2006030489A1 - 冷凍機油組成物 - Google Patents
冷凍機油組成物 Download PDFInfo
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- WO2006030489A1 WO2006030489A1 PCT/JP2004/013366 JP2004013366W WO2006030489A1 WO 2006030489 A1 WO2006030489 A1 WO 2006030489A1 JP 2004013366 W JP2004013366 W JP 2004013366W WO 2006030489 A1 WO2006030489 A1 WO 2006030489A1
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- Prior art keywords
- oil composition
- sulfur compound
- machine oil
- refrigerating machine
- groups
- Prior art date
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Classifications
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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
- C10M169/04—Mixtures of base-materials and additives
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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
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/22—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
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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
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
-
- 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
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base 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
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
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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
-
- 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
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
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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
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/086—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing sulfur atoms bound to carbon atoms of six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/108—Phenothiazine
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/041—Triaryl phosphates
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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
- C10N2030/02—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
- C10N2030/08—Resistance to extreme temperature
-
- 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
- C10N2040/30—Refrigerators lubricants or compressors lubricants
Definitions
- the present invention relates to a novel refrigerator oil composition, and more particularly to a novel refrigerator oil composition that can maintain lubrication performance for a long period of time and does not block capillaries in the refrigeration cycle.
- a mixed liquid of refrigerant and lubricating oil circulates in the sealed system. It has a structure to do.
- conventional chlorofluorocarbons such as dichlorodifluoromethane (R-12) and chlorodifluoromethane (R-22) have been used as refrigerants, and a number of lubricants used in combination with them. Oil has been produced and used.
- fluorocarbon compounds that have been used as conventional refrigerants may cause environmental pollution such as destruction of the ozone layer in the stratosphere when released into the atmosphere.
- Fluorocarbons and fluorocarbons represented by 1,1,1,2,2-tetrafluoroethane (R-134a) have come to be used.
- phosphorus-based additives typified by tricresyl phosphate (TCP) have been used as an extreme pressure agent in refrigerator oil compositions.
- TCP tricresyl phosphate
- phosphorus-based extreme pressure agents have the problem that they are denatured and sludged due to pyrolysis, calo-hydrolysis, and tribochemical reaction on the friction surface.
- the phosphorus additive is consumed when it is altered and sludged, the lubrication performance over a long period of time cannot be maintained, and seizure and wear may occur.
- Synthetic oil such as poly olefin and mineral oil is used as a base oil, and an organic sulfur compound is added to this oil. It is excellent in heat resistance and wear resistance, and has little change in viscosity with temperature.
- a sulfur-containing lubricating oil having a performance excellent in glucon solubility has been proposed (Patent Document 1).
- the content of the organic sulfur compound is important in such a lubricating oil composition for a refrigerator.
- the organic sulfur compound is a mineral oil. It is said that it may exist naturally.
- base oil With base oil
- a lubricating oil composition for a refrigerator using polyvinyl ether having various excellent characteristics sufficient wear resistance and extreme pressure cannot be imparted only by controlling the sulfur content. I helped.
- Patent Document 1 Japanese Patent Laid-Open No. 58-103594
- the present invention has been made to solve the above-described problems, and provides a lubricating oil composition for a refrigerator that can maintain lubricating performance for a long period of time and does not block a capillary in a refrigeration cycle. It is intended to provide.
- the present inventor has used polyvinyl ether (PVE) as a base oil and has a specific organic sulfur compound.
- PVE polyvinyl ether
- natural refrigerants such as fluorocarbon, fluorocarbon, carbon dioxide, ammonia, hydrocarbons, etc.
- the present invention is a refrigerating machine oil composition
- a refrigerating machine oil composition comprising (A) a base oil that also has polyvinyl ether power, (B) an organic sulfur compound having a sulfur content of 35% by mass or less, and (C) a refrigerant.
- the present invention provides a refrigerating machine oil composition having a sulfur content of 0.01 to 0.1% by mass based on the total amount of component (A) and component (B).
- FIG. 1 is a view showing a clogging clog tester.
- the lubricating oil composition of the present invention uses (A) polybutyl ether as a base oil.
- Polyvinyl ether compounds include, for example, the general formula (I)
- R 1 , R 2 and R 3 each represent a hydrogen atom or a hydrocarbon group having 11 to 18 carbon atoms, and they may be the same or different from each other; R 4 has 1 to 11 carbon atoms; 10 divalent hydrocarbon groups, R 5 is a hydrocarbon group having 1 to 20 carbon atoms, k is an average value of 0-10, and R 1 — R 5 is the same for each structural unit, the plurality of cases may Yogumata R 4 0 is also different from each, polyvinyl ether I ⁇ having a plurality of R 4 0 may be the same or different.) the structural unit represented by the Can be mentioned. In addition, the structural unit represented by the general formula (I) and the general formula ( ⁇ ) [0012] [Chemical 2]
- R 6 - R 9 each represent a hydrogen atom or a hydrocarbon group having a carbon number of one 20, which we Yogumata R 6 may be the same or different - are R 9 configuration A block having a structural unit represented by) or a polyvinyl ether compound having a random copolymer power may be used.
- R 2 and R 3 each represent a hydrogen atom or a hydrocarbon group having 11 to 8, preferably 14 to 14 carbon atoms, which may be the same or different.
- the hydrocarbon group specifically means methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, various pentyl groups, various types.
- Alkyl groups such as xyl group, various heptyl groups, various octyl groups, cyclopentyl group, cyclohexyl group, various methylcyclohexyl groups, various ethenylcyclohexyl groups, various cycloalkyl groups such as dimethylcyclohexyl group, phenol Aryl group such as benzyl group, various methylphenyl groups, various ethylphenyl groups, various dimethylphenol groups, benzyl group, various phenyl groups, various methylbenzyl groups.
- R 1 , R 2 and R 3 a hydrogen atom is particularly preferable.
- R 4 in the general formula (I) represents a divalent hydrocarbon group having 1 to 10 carbon atoms, preferably 2 to 10 carbon atoms.
- R 4 represents a divalent carbon group having 1 to 10 carbon atoms.
- the hydrogen group is a methylene group; an ethylene group; a phenylethylene group; a 1,2-propylene group; a 2-phenyl-1,2-propylene group; a 1,3-propylene group; various butylene groups.
- alkylalkyl groups having a binding site in the alkyl group portion of polyalkyl aromatic hydrocarbons such as jetylbenzene are particularly preferred.
- k in the general formula (I) represents the number of repetitions of R 40 , and is an average value of 10 and preferably in the range of 0-5.
- R 4 have more than one plurality of R 4 may be different dates in the same.
- R 5 in the general formula (I) represents a hydrocarbon group having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms.
- hydrocarbon group examples include a methyl group, an ethyl group, and an n— Propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, various pentyl groups, various hexyl groups, various heptyl groups, various octyl groups, various norl groups, various types Alkyl groups such as decyl groups, cyclopentyl groups, cyclohexyl groups, various methyl cyclohexyl groups, various ethyl cyclohexyl groups, various propyl cyclohexyl groups, various dimethyl cyclohexyl groups, etc.
- R 1 to R 5 may be the same or different for each structural unit.
- the polybutyl ether compound represented by the general formula (I) preferably has a carbon-Z oxygen molar ratio in the range of 4.2-7. If this molar ratio is 4.2 or more, the hygroscopicity is low, and if it is 7.0 or less, sufficient compatibility with the refrigerant is obtained.
- R 6 to R 9 each represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and they may be the same or different from each other.
- examples of the hydrocarbon group having 1 to 20 carbon atoms include those exemplified in the description of R 5 in the general formula (I). The same can be mentioned.
- R 6 to R 9 may be the same or different for each structural unit.
- a polybuluether compound having a structural unit represented by the general formula (I) and a structural unit represented by the general formula (II) or a random copolymer has a carbon content.
- Those having a Z oxygen mole ratio in the range of 4.2-7.0 are preferably used. If this molar ratio is 4.2 or more, the hygroscopicity is low. If it is 7.0 or less, sufficient compatibility with the refrigerant is obtained.
- the above-mentioned forces are preferably used. These can be used alone or in combination of two or more.
- the base oil (A) used in the present invention preferably has a kinematic viscosity at 40 ° C. 3-1000 mm 2 / s. When it is 3 mm 2 Zs or more, sufficient lubrication performance is obtained, and when it is 1000 mm 2 Zs or less, excessive load is not applied and energy efficiency is increased.
- the kinematic viscosity of the base oil at 40 ° C. is preferably in the range of 5 to 500 mm 2 Zs, and more preferably in the range of 5 to 150 mm 2 Zs.
- the present invention is characterized in that the component (B) contains an organic sulfur compound having a sulfur content of 35% by mass or less. If the sulfur content exceeds 35 mass%, alteration or sludge formation may occur. Specifically, polysulfide containing 3 or more sulfur in one molecule has such a risk. In addition, it is preferable that the sulfur content is more than 5% by mass because the amount of component (B) can be reduced.
- Examples of the (B) organic sulfur compound preferably used in the present invention include aliphatic sulfur compounds, bicyclic sulfur compounds, and aromatic sulfur compounds.
- the aliphatic sulfur compound preferably has 12 or more carbon atoms, more preferably 14 or more, and particularly preferably 18 or more. Specific examples include dioctylsulfide, didodecylsulfide, ditetradecylsulfide and the like.
- the heterocyclic sulfur compound preferably has 8 or more carbon atoms, more preferably 10 or more carbon atoms, and more preferably 12 or more carbon atoms. preferable. Specific examples include benzothiophene, dibenzothiophene, phenothiazine, benzothiapyran, thiapyran, thianthrene, dibenzothiapyran, diphenol-disulfide, and alkyl derivatives thereof. [0021]
- the aromatic sulfur compound preferably has 12 or more carbon atoms, and more preferably has 16 or more carbon atoms.
- organic sulfur compounds other than aliphatic sulfur compounds, heterocyclic sulfur compounds, and aromatic sulfur compounds having 8 or more carbon atoms can also be used.
- sulfolane, diphenyl sulfoxide, diphenyl sulfone, Examples include thiazole, thiazole derivatives, thiadamantane, 2-chelcarpinol, and thiopheneacetic acid.
- organic sulfur compounds diphenol-disulfide, phenothiazine, and dialkyl-lenssulfide are preferably used.
- the sulfur content in the refrigerating machine oil composition of the present invention must be 0.01 to 0.1% by mass based on the total amount of component (A) and component (B). . If the sulfur content is 0.01 mass% or more, sufficient lubrication performance can be achieved, and if it is 0.1 mass% or less, generation of sludge due to alteration or the like can be sufficiently suppressed. . From the above viewpoint, the sulfur content is 0. 02-0. 05 mass 0/0 of that force element Mashiku range, more preferably in the range of 035 wt% 0. 025- 0..
- the lubricating oil composition of the present invention can be mixed with additives usually used in refrigerating machine oil compositions, and in particular, an antioxidant, an acid scavenger and an antifoaming agent. Is preferred.
- the anti-oxidation agent there are no particular restrictions on the anti-oxidation agent, and for example, phenol-based anti-oxidation agents and amine-based antioxidants can be used.
- the acid scavenger is blended in the refrigerator oil composition for the purpose of caro-water decomposition stability.
- phenol glycidyl ether, alkyl glycidyl ether, alkylene glycol glycidyl ether, cyclohexene oxide, ⁇ - And epoxy compounds such as olefin oxide and epoxidized soybean oil.
- phenol glycidyl ether, alkyl glycidyl ether, alkylene glycol glycidyl ether, cyclohexenoxa Ido and ⁇ -olefin fin oxide are preferred.
- the antifoaming agent include silicone oil and fluorosilicone oil.
- additives such as a copper deactivator such as benzotriazole or a derivative thereof can be added as long as the object of the present invention is not impaired.
- a copper deactivator such as benzotriazole or a derivative thereof
- Each of these additives is usually added in the range of 0.005 to 5% by weight.
- the refrigerant used in the lubricating oil composition of the present invention at least one selected from hide-mouthed fluorocarbon, fluorocarbon, carbon dioxide, hydrocarbon, and ammonia power is usually used.
- the hydrocarbon is usually used as a refrigerant, and examples thereof include a bread pan, butane, and a mixture thereof.
- the content of these refrigerants in the refrigerating machine oil composition is usually in the range of 10-99% by mass. If it is 10% by mass or more, sufficient refrigeration capacity can be exhibited. If it is 99% by mass or less, a sufficient amount of lubricating oil is present and there is no problem of seizure or wear. From the above viewpoint, the range of 30 to 95% by mass is more preferable.
- the refrigerating machine oil composition of the present invention can be used in various applications, for example, for air conditioning, refrigerator, gas heat pump (GHP), vending machine, showcase freezing, car air conditioner. It can be used for water heating, floor heating, etc.
- GTP gas heat pump
- a refrigerator oil composition prepared by the method described in each example and comparative example was placed in a glass tube having an internal volume of 10 ml, and copper, aluminum, and iron metal catalysts were added.
- the glass tube was sealed and kept at 175 ° C for 30 days, and then the appearance of the refrigerating machine oil composition, the appearance of copper, and the presence or absence of sludge were evaluated.
- This test apparatus 1 is disclosed in Japanese Patent Application Laid-Open No. 11-183334, and includes a compressor 2, a capillary pipe 3 serving as a means for reducing temperature and pressure, an outlet 2A of the compressor 2, and an inlet 3 of the capillary pipe 3 In the middle of the high-temperature side flow path 4 that connects A, the low-temperature side flow path 5 that connects the outlet 3B of the exhaust pipe 3 and the suction port 2B of the compressor 2, and the high-temperature side flow path 4 and the low-temperature side flow path 5.
- a heat exchanger 6 for exchanging heat between the refrigerants between the flow paths 4 and 5, and on the high temperature side flow path 4, between the compressor 2 and the heat exchanger 6 there is a discharge side.
- a pressure gauge 7 is provided, and a suction side pressure gauge 8 is provided between the heat exchanger 6 and the compressor 2 on the low temperature side flow path 5, and a vacuum pump connection valve 9 is provided on the downstream side thereof. Is provided.
- the above-described components constitute a simulated circulation system 10 that circulates refrigerant containing refrigeration oil.
- the suction side pressure (Ps) is 0.4 MPa
- the discharge side pressure (Pd) is 3.3 MPa
- the heat exchange m «inlet temperature (Td) is 110 ° C
- the heat exchange outlet temperature (Ts) is 30. ° C.
- the test was conducted using isobutane (R600a) as the refrigerant, mixing 400 g of sample oil (total amount of component (A) and component (B)) and the amount of refrigerant.
- Refrigerating machine oil composed of (A) base oil and (B) specific organic compound shown in Table 1 was prepared and evaluated by the above evaluation method. The results are shown in Table 1.
- A-1 Polyethylene vinyl ether polyisobutyl vinyl ether copolymer (polyvinyl vinyl ether: polyisobutyl vinyl ether molar ratio; 1: 9, 40 ° C viscosity; 68 m
- Polyethylene butyl ether polymethyl butyl ether copolymer (molar ratio of butyl vinyl ether: polymethyl butyl ether; 1: 1, 40 ° C viscosity; 100 mm 2 Zs)
- A-3 Polyisobutyl butyl ether ( 40 ° C viscosity; 10mm 2 Zs)
- A—4 Polyethylene vinyl ether (viscosity at 40 ° C; 430 mm 2 Zs)
- the novel refrigerating machine oil composition of the present invention can maintain lubricating performance for a long period without environmental problems such as destruction of the ozone layer, and does not block capillaries in the refrigeration cycle. Therefore, it can be suitably used for air conditioning, refrigerator, gas heat pump (GHP), vending machine, refrigeration such as a showcase, car air conditioner, hot water supply, floor heating.
- GFP gas heat pump
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013366 WO2006030489A1 (ja) | 2004-09-14 | 2004-09-14 | 冷凍機油組成物 |
PCT/JP2005/016781 WO2006030748A1 (ja) | 2004-09-14 | 2005-09-12 | 冷凍機油組成物 |
KR1020077005766A KR101216805B1 (ko) | 2004-09-14 | 2005-09-12 | 냉동기유 조성물 |
CNA2005800307979A CN101018845A (zh) | 2004-09-14 | 2005-09-12 | 冷冻机油组合物 |
EP05782122.5A EP1818387B1 (en) | 2004-09-14 | 2005-09-12 | Refrigerator oil composition |
JP2006535130A JP4999459B2 (ja) | 2004-09-14 | 2005-09-12 | 冷凍機油組成物 |
US11/575,256 US8293130B2 (en) | 2004-09-14 | 2005-09-12 | Refrigerator oil composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013366 WO2006030489A1 (ja) | 2004-09-14 | 2004-09-14 | 冷凍機油組成物 |
Publications (1)
Publication Number | Publication Date |
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WO2006030489A1 true WO2006030489A1 (ja) | 2006-03-23 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/013366 WO2006030489A1 (ja) | 2004-09-14 | 2004-09-14 | 冷凍機油組成物 |
PCT/JP2005/016781 WO2006030748A1 (ja) | 2004-09-14 | 2005-09-12 | 冷凍機油組成物 |
Family Applications After (1)
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PCT/JP2005/016781 WO2006030748A1 (ja) | 2004-09-14 | 2005-09-12 | 冷凍機油組成物 |
Country Status (5)
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US (1) | US8293130B2 (ja) |
EP (1) | EP1818387B1 (ja) |
KR (1) | KR101216805B1 (ja) |
CN (1) | CN101018845A (ja) |
WO (2) | WO2006030489A1 (ja) |
Cited By (4)
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US8085050B2 (en) | 2007-03-16 | 2011-12-27 | Halliburton Energy Services, Inc. | Robust inversion systems and methods for azimuthally sensitive resistivity logging tools |
US8581592B2 (en) | 2008-12-16 | 2013-11-12 | Halliburton Energy Services, Inc. | Downhole methods and assemblies employing an at-bit antenna |
US9465132B2 (en) | 1999-01-28 | 2016-10-11 | Halliburton Energy Services, Inc. | Tool for azimuthal resistivity measurement and bed boundary detection |
US9732559B2 (en) | 2008-01-18 | 2017-08-15 | Halliburton Energy Services, Inc. | EM-guided drilling relative to an existing borehole |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5006788B2 (ja) * | 2005-08-31 | 2012-08-22 | 出光興産株式会社 | 冷凍機油組成物 |
US7824567B2 (en) * | 2005-08-31 | 2010-11-02 | Idemitsu Kosan Co., Ltd. | Refrigerator oil composition |
JP5179192B2 (ja) * | 2005-11-15 | 2013-04-10 | 出光興産株式会社 | 冷凍機油 |
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- 2004-09-14 WO PCT/JP2004/013366 patent/WO2006030489A1/ja active Application Filing
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- 2005-09-12 KR KR1020077005766A patent/KR101216805B1/ko not_active IP Right Cessation
- 2005-09-12 US US11/575,256 patent/US8293130B2/en not_active Expired - Fee Related
- 2005-09-12 EP EP05782122.5A patent/EP1818387B1/en not_active Expired - Fee Related
- 2005-09-12 WO PCT/JP2005/016781 patent/WO2006030748A1/ja active Application Filing
- 2005-09-12 CN CNA2005800307979A patent/CN101018845A/zh active Pending
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US9465132B2 (en) | 1999-01-28 | 2016-10-11 | Halliburton Energy Services, Inc. | Tool for azimuthal resistivity measurement and bed boundary detection |
US8085050B2 (en) | 2007-03-16 | 2011-12-27 | Halliburton Energy Services, Inc. | Robust inversion systems and methods for azimuthally sensitive resistivity logging tools |
US9732559B2 (en) | 2008-01-18 | 2017-08-15 | Halliburton Energy Services, Inc. | EM-guided drilling relative to an existing borehole |
US8581592B2 (en) | 2008-12-16 | 2013-11-12 | Halliburton Energy Services, Inc. | Downhole methods and assemblies employing an at-bit antenna |
Also Published As
Publication number | Publication date |
---|---|
KR101216805B1 (ko) | 2012-12-28 |
EP1818387A4 (en) | 2010-07-07 |
EP1818387A1 (en) | 2007-08-15 |
US8293130B2 (en) | 2012-10-23 |
WO2006030748A1 (ja) | 2006-03-23 |
KR20070051898A (ko) | 2007-05-18 |
US20070290164A1 (en) | 2007-12-20 |
CN101018845A (zh) | 2007-08-15 |
EP1818387B1 (en) | 2013-08-14 |
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