WO2005095562A1 - Composition d'huile de lubrification a utiliser dans l'usinage de tubes en aluminium - Google Patents

Composition d'huile de lubrification a utiliser dans l'usinage de tubes en aluminium Download PDF

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Publication number
WO2005095562A1
WO2005095562A1 PCT/JP2005/005757 JP2005005757W WO2005095562A1 WO 2005095562 A1 WO2005095562 A1 WO 2005095562A1 JP 2005005757 W JP2005005757 W JP 2005005757W WO 2005095562 A1 WO2005095562 A1 WO 2005095562A1
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branched
linear
acid
group
oil
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PCT/JP2005/005757
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English (en)
Japanese (ja)
Inventor
Hiroshi Kametsuka
Junichi Shibata
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Nippon Oil Corporation
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Publication of WO2005095562A1 publication Critical patent/WO2005095562A1/fr

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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
    • 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
    • C10M2205/026—Butene
    • C10M2205/0265—Butene used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • 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
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • 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
    • C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • 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
    • 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
    • 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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/245—Soft metals, e.g. aluminum

Definitions

  • the present invention relates to a lubricating oil composition for processing aluminum pipes, which is used for drawing and rolling of aluminum pipes.
  • heat exchangers having electric heating tubes have been widely used in refrigeration systems such as air conditioners for automobiles, and aluminum tubes are often used as the electric heating tubes because of their light weight.
  • lubricating oil is supplied to the inner and outer surfaces of an aluminum tube, drawn, wound up in a coil shape, and then placed in a reducing gas atmosphere or an inert gas atmosphere. And a method of annealing by heating in the inside.
  • the lubricating oil used in the drawing process of the aluminum pipe it is desirable to use a lubricating oil which is low in molecular weight by the heat of the annealing process and vaporized.
  • low-molecular-weight components often do not proceed sufficiently, and as a result, components that do not evaporate at room temperature may be generated and remain on the aluminum tube.
  • the lubricating oil component gasified by low molecular weight filtration must be discharged out of the tube only by its volume expansion. Is difficult, and some of the gas components condense during the cooling process, resulting in residual oil or overflow in the pipe.
  • residual oil in a tube when used as an electric heating tube, the heat exchange efficiency is reduced. It can be
  • the residual oil in the pipe is derived from hydrocarbon-based lubricating oil as described above, it does not show compatibility with the Fluorocarbon (HFC) refrigerant at the outlet and residual oil or residual oil precipitates in the refrigeration system. This may cause problems such as clogging of the expansion mechanism.
  • HFC Fluorocarbon
  • Patent Document 1 JP-A-6-228649
  • Patent Document 2 JP-A-6-279860
  • Patent Document 3 JP-A-7-197283
  • the fact is that the lubricating oil for processing aluminum pipes has not yet been sufficiently studied from the viewpoint of reducing residual oil in the pipes. Further, according to the study of the present inventors, in the case of the conventional lubricating oil for processing aluminum pipes, when the kinematic viscosity is not adjusted, an additive such as a solvent or an oil agent for adjusting the kinematic viscosity is used. If not properly selected, lubrication will be reduced during drawing of the aluminum tube, which may cause seizure of the plug.
  • an additive such as a solvent or an oil agent for adjusting the kinematic viscosity
  • the present invention has been made in view of such circumstances, and has been made by drawing a aluminum pipe.
  • Another object of the present invention is to provide a lubricating oil composition for processing aluminum pipes, which exhibits excellent lubricity in rolling and the like and can sufficiently reduce residual oil in the pipe in an annealing step.
  • the lubricating oil composition for processing an aluminum pipe of the present invention comprises:
  • the base oil is at least one selected from the group consisting of butenes and polyalkylene glycols.Partial ether compounds of dihydric or higher polyhydric alcohols, esters, alcohols, and fatty acids are used.At least one oil agent is selected based on the total amount of the composition. 0.5 to 40% by mass.
  • the lubricating oil composition for processing aluminum pipes of the present invention which has the above-described structure, can exhibit excellent lubricity in drawing, rolling and the like, and has an excellent lubricating property in the annealing step. It shows sufficient thermal decomposition properties and vaporization characteristics at the heating temperature. Therefore, according to the present invention, it is possible to reduce the residual oil in the long and coiled aluminum tube at low cost without performing a special residual oil removal treatment such as purging in the annealing furnace, and as a result, Prevention of seizure during drawing or rolling, improvement of brazeability of aluminum pipe, and prevention of mixing of residual oil in the pipe or its carbide into the refrigeration system after annealing can be sufficiently achieved. .
  • an aluminum pipe that exhibits excellent lubricity especially in drawing and rolling of an aluminum pipe and is capable of sufficiently reducing residual oil in the pipe in an annealing step.
  • a lubricating oil composition for rubber tube processing is provided.
  • the lubricating oil composition for processing aluminum pipes of the present invention may comprise at least one base oil selected from polybutene and polyalkylene glycol.
  • the composition contains at least one oil agent selected from the following (A-1) to (A-4) forces in an amount of 0.5 to 40% by mass based on the total amount of the composition.
  • polybutene is a polymer obtained by homopolymerization or copolymerization of two or more butene monomers such as 1-butene, 2-butene and isobutene.
  • the polybutene referred to in the present invention includes its hydride.
  • the polybutene used in the present invention those having a high isobutene ratio are preferred from the viewpoint of reducing the residual oil in the tube. More specifically, the infrared absorbance was measured by the infrared total reflection absorption method. polybutene is preferred, the infrared absorbance I of per reflection once in 1230cm _1 is 0.025 or more in the case. Isobutene polybutene has a quaternary carbon in its molecular structure, including as a raw material, because the skeleton vibration of quaternary carbon is reflected to the infrared absorbance I at 1230 cm _1, size infrared absorbance I! /, The value Means that the isobutene ratio is higher. Incidentally, when the infrared absorbance I at 1230 cm _1 is less than 0.025, the thermal decomposition of the polybutene tends to be insufficient effect of reducing the pipe residual oil decreases.
  • the infrared absorbance I defined in the present invention is a horizontal total reflection absorption measurement apparatus (MCT detector (MCT detector) using a liquid crystal of ZnSe having a crystal length of 70 mm and a crystal thickness of 3 mm. It can be measured using FT-IR (manufactured by JEOL Ltd.) having a mercury cadmium telluride (semiconductor detector of mercury cadmium telluride compound). The conditions are as follows: the incident angle is 60 °, the resolution is 4 cm_1 , and the number of integrations is 1,000.
  • the absorption peak of the infrared absorbance I derived from the quaternary carbon is generally appears at 1230 cm _1 force this peak appears position may be slightly shifted between 1220 ⁇ 1240cm _ 1. Therefore, our Itewa the present invention, as the height of the peaks that appear in the 1230 cm _1 is the highest, and valleys of the spectrum appearing Te Contact! /, The 1170-119 Ocm _1, based between 1250 ⁇ 1270cm _1 or during which Here, a baseline is drawn between the valley of the spectrum that appears and the absorption intensity is determined.
  • one of the above polybutenes may be used alone, or two or more may be used in combination. Further, one or more of the above polybutenes can be used in combination with a polyalkylene glycol described below.
  • the polyalkylene glycol preferably has a structure represented by the following general formula (1).
  • R 1 and R 3 may be the same or different and each represent a hydrogen atom or an alkyl group
  • R 2 represents an alkylene group
  • n represents an integer of 10 to 100
  • n R 2 May be the same or different.
  • the alkyl group when one or both of R 1 and R 3 is an alkyl group, the number of carbon atoms of the alkyl group can be arbitrarily selected. However, lubricating oil may remain in the pipe after annealing. Therefore, the alkyl group preferably has 1 to 18 carbon atoms, and more preferably 1 to 10 carbon atoms. The alkyl group may be linear or branched.
  • the number of carbon atoms of the alkylene group represented by the general formula R 2 is not particularly limited, in general preferably 2 to 10 carbon atoms.
  • Specific examples of the divalent alkylene group having 2 to 10 carbon atoms include an ethylene group, a propylene group (including a 1-methylethylene group and a 2-methylethylene group), a trimethylene group, and a butylene group (1-ethylethylene group).
  • R 2 an alkylene group having 3 or more carbon atoms is preferable because of its low hygroscopicity and excellent lubricating properties, and difficulty in hydrolysis.
  • polyalkylene glycol having high hygroscopicity may generate a lower carboxylic acid, which is an ant-like corrosive medium, by decomposition, and may leak in a short time when attached to an aluminum tube.
  • the polyalkylene glycol represented by the general formula (1) is also the n R 2 is a homopolymer of the same alkylene groups, including two or more R 2 poly
  • a copolymer having one oxyalkylene chain (R 2 -0) may be used.
  • the ratio of the monomers and the arrangement of the monomers constituting the copolymer are not limited, but may vary depending on the random copolymer, the alternating copolymer and the block copolymer. Well ⁇ .
  • R 2 has low hygroscopicity and excellent lubricity, and is not easily hydrolyzed.
  • a butylene group is more preferable in view of availability of raw materials.
  • the polyalkylene glycol represented by the general formula (1) is a copolymer
  • it has low lubricity due to low hygroscopicity and can further reduce the residue during annealing, which is less likely to cause hydrolysis, and reduces the adverse effects of the residue after annealing on the refrigeration system
  • the alkylene group can be used, it is preferably an alkylene group having 3 to 6 carbon atoms.
  • a propylene group and a butylene group are more preferable than the availability of raw materials.
  • n in the above general formula (1) when n in the above general formula (1) is less than 10, the boiling point may be reduced, and the decomposability at the ether bond may be reduced.
  • n exceeds 100 the probability of remaining as a residual oil component tends to increase even when the base oil has a structure that is easily decomposed.
  • the post-annealing residue may have an adverse effect on the refrigeration system. Therefore, n is preferably from 10 to: L00.
  • one of the above polyalkylene glycols may be used alone, or two or more may be used in combination. Further, one or more of the above polyalkylene glycols can be used in combination with polybutene.
  • the polybutene and polyalkylene glycol used in the present invention have sufficient thermal decomposability, and are decomposed into monomers or oligomers and vaporized at the heating temperature in the annealing step. Since these decomposed products do not condense even after cooling in a furnace having a relatively low boiling point, the lubricating oil component is discharged out of the tube when the inside of the tube is purged after annealing. Therefore, the use of at least one selected from the group consisting of polybutene and polyalkylene glycol as the base oil of the lubricating oil makes it possible to reduce the amount of oil remaining in the pipe after annealing. Also, by using this base oil, the adverse effects of the residue after annealing on the refrigeration system can be reduced.
  • the lubricating oil composition of the present invention contains 0.005 to 40% by mass of the components (A-1) to (A-4) based on the total amount of the composition. Therefore, the total content of the base oil, polybutene and polyalkylene glycol, is 99.5% by mass or less, preferably 60 to 99.5% by mass, more preferably 75 to 9% by mass, based on the total amount of the composition. 99% by mass. If the total content of polybutene and polyalkylene glycol exceeds 99.5% by mass, it is not possible to obtain a sufficient effect by the addition of the components (A-1) to (A-4) described later. If the total content of polybutene and polyalkylene glycol is less than 60% by mass, There is a tendency that the effect of reducing residual oil in pipes by using polyalkylene glycol is insufficient.
  • the lubricating oil composition of the present invention may further contain a base oil other than the above-mentioned polybutene and polyalkylene glycol, as long as the excellent properties are not impaired.
  • base oils include mineral oils, hydrocarbon synthetic oils other than polybutene (olefin polymers, naphthalene conjugates, alkylbenzenes, etc.), and ether oils other than polyalkylene glycols (polyvinyl ether, ketone, polyphenyl ether).
  • ester oils such as aromatic esters, dibasic acid esters, polyol esters, complex esters, and carbonate esters
  • silicones polysiloxanes, and perfluoroethers.
  • the content of the base oil other than polybutene and polyalkylene glycol can further reduce the residual oil content in the tube after annealing, and further reduce the adverse effect of the residue after annealing on the refrigeration system.
  • the composition can be used, it is preferably 40% by mass or less, more preferably 30% by mass or less, further preferably 20% by mass or less, and particularly preferably 10% by mass or less, based on the total amount of the composition. It is most preferable that the refrigerator oil composition of the present invention does not contain a base oil other than polybutene and polyalkylene glycol.
  • the polyhydric alcohol constituting the partially etherified dihydric or higher polyhydric alcohol may be any of dihydric alcohol, trihydric alcohol and tetrahydric or higher polyhydric alcohol. .
  • Examples of powerful polyhydric alcohols include ethylene glycol, propylene glycol, trimethylene glycol (1,3 propanediol), butylene glycol (1,2-butanediol), and 1,1- Dimethylethylene glycol (2-methyl-1,3-propanediol), 1,2-dimethylethylene glycol (2,3-butanediol), 1-methyltriethylene glycol (1,3-butanediol), 2-methyltrimethylene glycol (2-methyl- 1,3 propanediol), tetramethylene glycol (1,4 butanediol), pentylene glycol (1,2-pentanediol), 2,2-dimethyltrimethylene glycol (2,2 dimethyl-1,3 propanediol) , 1,5 pentanediol, Oppentyl glycol, hexylene glycol (1,2-hexanediol), 1,6-hexanediol, 2-ethyl-2-methyl-1
  • trimethylolethane trimethylolpropane, trimethylolbutane, di (trimethylolpropane), tree (trimethylolpropane), pentaerythritol, gee (pentaerythritol), tree (pentaerythritol), glycerin Polyglycerol (2-8 glycerin), 1,3,5 pentanetriol, sorbitol, sorbitan, sorbitol glycerin condensate, adtol, arabitol, xylitol and mannitol. Can also be used.
  • sugars such as xylose, arabinose, ribose, rhamnose, glucose, fructose, galactatose, mannose, sonorebose, cellobiose, manoletose, isomanoleose, trenoperulose, sucrose, raffinose, gentianose, and merezitose, and these.
  • sugars such as xylose, arabinose, ribose, rhamnose, glucose, fructose, galactatose, mannose, sonorebose, cellobiose, manoletose, isomanoleose, trenoperulose, sucrose, raffinose, gentianose, and merezitose, and these.
  • methyldalcoside (glycoside) and the like can also be used.
  • the partially etherified product of a dihydric or higher polyhydric alcohol is a divalent product in which a part of the hydroxyl groups of the above-mentioned polyhydric alcohol is etherified.
  • the above polyhydric alcohol is alkyl etherified, the amount of residual oil in the tube after annealing can be further reduced.
  • Leap lube can be obtained.
  • the carbon number of the alkyl group to be ether-bonded is not particularly limited, but the alkyl group preferably has 1 to 18 carbon atoms.
  • the alkyl group having 1 to 18 carbon atoms include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, a straight-chain or Branched pentyl, straight or branched hexyl, straight or branched heptyl A straight-chain or branched octyl group, a straight-chain or branched nonyl group, a straight-chain or branched decyl group, a straight-chain or branched decyl group, a straight-chain or branched Dodecyl group, linear or branched
  • an alkyl group having 3 or more carbon atoms is preferable, and an alkyl group having 7 or more carbon atoms is more preferable, and an alkyl group having 5 or more carbon atoms is particularly preferable.
  • the carbon number is 16 or less, the amount of residual oil in the pipe after annealing can be further reduced, and the adverse effect of the residue after annealing on the refrigeration system can be further reduced. Further, it is more preferable that the number of carbon atoms be 14 or less, more preferably 12 or less.
  • the component (A-1) in the present invention is selected from the group consisting of ethylene, which can provide a higher level of lubricity in a drawing step, a rolling step, and the like, and can further reduce residual oil in a pipe in an annealing step.
  • ethylene glycol Part of ethylene glycol; -Teruido, partial etherified product of polyethylene glycol (2 to 8 mer of ethylene glycol), partial etherified product of propylene glycol, partial etherified product of polypropylene glycol (2 to 8 mer of propylene glycol), partially etherified product of glycerin And a partially etherified product of diglycerin and a mixture thereof; a partially etherified product of ethylene glycol, a partially etherified product of polyethylene glycol (a di- to hexamer of ethylene glycol), a partially etherified product of propylene glycol, and Partially etherified glycerin, as well as mixtures thereof, are more preferred.
  • the component (A-1) in the present invention includes one of the hydroxyl groups of the polyhydric alcohol. Particularly preferred is a monoethereal sword that is etherified. If a fully etherified product obtained by etherifying all the hydroxyl groups of the above polyhydric alcohol is used instead of the (AI) component, sufficient lubricity cannot be obtained.
  • the alcohol constituting the (A-2) ester may be either a monohydric alcohol or a polyhydric alcohol.
  • the carboxylic acid constituting the ester may be a monobasic acid or a polybasic acid!
  • the monohydric alcohol one having 1 to 24 carbon atoms is usually used, and such an alcohol may be linear or branched, and may be shifted.
  • Specific examples of the monohydric alcohol having 1 to 24 carbon atoms include methanol, ethanol, linear or branched propanol, linear or branched butanol, and linear or branched pentanol.
  • the polyhydric alcohol one having usually 2 to 10 valency, preferably 2 to 6 valency is used.
  • the di- to di-hydric alcohol include ethylene glycol, diethylene glycol, polyethylene glycol (3 to 15 mer of ethylene glycol), 1,3-pronondiol, 1,2-propanediol, 1,3-butanediol, 1,4 butanediol, 2-methyl-1,2 propanediol, 2-methyl-1,3 propanediol, 1,2 propanediol, 1,3 pentanediol, 1,4 pentanediol, 1,5 pentanediol, neopentyl Dihydric alcohols such as glycol; glycerin, polyglycerin (2 to 8 mer of glycerin such as diglycerin, triglycerin, tetraglycerin), trimethylolalkane (trimethylolethane, trimethylolprop
  • ethylene glycol diethylene glycol, polyethylene glycol (preferably a 3 to 10 mer of ethylene glycol), propylene glycol, dipropylene glycol, and polypropylene glycol (preferably 3 to 10 weight of propylene glycol) Isomer), 1,3-propanediol, 2-methyl-1,2-propanediol, 2-methyl-1,3-propanediol, neopentyl glycol, glycerin, diglycerin, triglycerin, trimethylolalkane (trimethylolethane, trimethylolpropane) , Trimethylol butane) and their dimers and tetramers, pentaerythritol, dipentaerythritol, 1,2,4 butanetriol, 1,3,5 pentanetriol, 1,2,6 hexanetriol, 1 , 2, 3, 4 butante Lumpur, sorbitol, sorbitan, sorbitol, sorbitan
  • the monobasic acid among the carboxylic acids constituting the (A-2) ester a fatty acid having 6 to 24 carbon atoms is usually used.
  • the powerful monobasic acid may be linear or branched, and may be further saturated or unsaturated.
  • linear or branched hexanoic acid linear or branched octanoic acid, linear or branched nonanoic acid, linear or branched decanoic acid, Linear or branched pentadecanoic acid, linear or branched dodecanoic acid, linear or branched tridecanoic acid, linear or branched tetradecanoic acid, linear or branched pentadecanoic acid, Chain or branched Hexadecanoic acid, linear or branched octadecanoic acid, linear or branched hydroxoxy octadecanoic acid, linear or branched nonadecanoic acid, linear or branched icosanoic acid, linear Saturated fatty acids such as linear or branched heneicosanoic acid, linear or branched docosanoic acid, linear or branched tricosanoic acid, linear or branched tetraco
  • Examples of the polybasic acid constituting the (A-2) ester include dibasic acids having 2 to 16 carbon atoms and trimellitic acid.
  • the dibasic acid having 2 to 16 carbon atoms may be linear or branched, and may be saturated or unsaturated.
  • ethanedioic acid propanedioic acid, linear or branched butanedioic acid, linear or branched pentanedioic acid, linear or branched hexanedioic acid, Chain or branched octane diacid, linear or branched nonanninic acid, linear or branched decandioic acid, linear or branched pentane diacid, linear or branched dodecane Diacid, linear or branched tridecandioic acid, linear or branched tetradecandioic acid, linear or branched heptadecandioic acid, linear or branched hexadecandioic acid; straight Linear or branched hexenedioic acid, linear or branched otatenedioic acid, linear or branched nonennic acid, linear or branched decenedioic acid, linear or branched Pendecen
  • the combination of the alcohol and the carboxylic acid constituting the (A-2) ester is arbitrary, and examples thereof include the following combinations (8-2-1) to (8-2-7).
  • A-2-7 Ester of a mixed alcohol of a polyhydric alcohol and a polyhydric alcohol with a mixed carboxylic acid of a monobasic acid and a polybasic acid.
  • the resulting ester may be a complete ester in which all hydroxyl groups in the polyhydric alcohol are esterified. Some of the hydroxyl groups are not esterified. It may be a partial ester remaining as a hydroxyl group at the same time.
  • the carboxyl group may be a complete ester in which all the carboxyl groups are esterified. May be the remaining partial ester.
  • (A-2-1) -hydric alcohol and monobasic acid are more excellent in lubricity. are preferred.
  • the carbon number of the ester is not particularly limited, but the carbon number of the ester is preferably 7 or more, and more preferably 9 or more because of its excellent lubricity improving effect. The above is more preferred. Also, if the carbon number is too large, the residual oil content in the pipe after annealing may increase or the post-annealing residue may adversely affect the refrigeration system. The number of carbon atoms of 26 or less is preferred 24 or less is more preferred 22 or less Below is more preferred.
  • the monohydric alcohols and the like exemplified in the description of the ester (A-2) above are preferably used.
  • the carbon number of the monohydric alcohol is preferably 6 or more, more preferably 8 or more, and still more preferably 10 or more from the viewpoint of more excellent lubricity. In addition, if the carbon number is too large, stinning and corrosion may occur.Therefore, the carbon number of monovalent alcohol is preferably 20 or less, more preferably 18 or less, still more preferably 16 or less. .
  • the fatty acid may be either a monobasic acid or a polybasic acid, or a mixture thereof.
  • the monobasic acid and polybasic acid include the monobasic acid and polybasic acid exemplified in the description of the above (A2) ester.
  • monobasic acids are preferred because of their superior lubricity, and the fatty acid has a carbon number of 6 or more, preferably 8 or more, more preferably 10 or more, because of its superior lubricity. Even better.
  • the carbon content of the carboxylic acid may be increased because the residual oil content in the pipe after annealing may increase or the adverse effect of the residue after annealing on the refrigeration system may increase. Is preferably 20 or less, more preferably 18 or less, still more preferably 16 or less.
  • lubricating oil composition of the present invention only one of the above oil agents (A-1) to (A-4) may be used alone, or two or more may be used in combination.
  • monohydric alcohols and monobasic acids can be combined with esters of C7 to C26, monohydric alcohols of C6 to C20, and monobasic acids of C6 to C20. , As well as a mixture of two or more of these.
  • the total content of the oil agents (A-1) to (A-4) is 40% by mass or less, preferably 20% by mass or less, more preferably 10% by mass or less, as described above, based on the total amount of the composition. % By mass or less. If the content exceeds 40% by mass, residual oil in the tube will increase its strength!]. Further, the total content of oily material (A- 1) ⁇ (A one 4), the total amount of the composition, as described above 0.5 and 5 mass% or more, preferably 0.7 mass% or more, more It is preferably at least 1% by mass. If the content is less than 0.5% by mass, sufficient lubricity cannot be obtained.
  • additives such as extreme pressure additives, antioxidants, rust inhibitors, corrosion inhibitors, defoamers and the like may be further contained alone or in combination of two or more.
  • Examples of extreme pressure additives include phosphorus compounds such as tricresyl phosphate and organometallic compounds such as zinc dialkyldithiophosphate.
  • examples of the antioxidant include phenolic compounds such as 2,6-di-tert-butyl p-talesol (DBPC), aromatic amines such as phenol-naphthylamine, and organic metal compounds such as zinc dialkyldithiophosphate.
  • DBPC 2,6-di-tert-butyl p-talesol
  • aromatic amines such as phenol-naphthylamine
  • organic metal compounds such as zinc dialkyldithiophosphate.
  • the rust inhibitor examples include salts of fatty acids such as oleic acid, sulfonates such as dinonylnaphthalene sulfonate, partial esters of polyhydric alcohols such as sorbitan monooleate, amines and derivatives thereof, and phosphate esters and derivatives thereof.
  • fatty acids such as oleic acid
  • sulfonates such as dinonylnaphthalene sulfonate
  • partial esters of polyhydric alcohols such as sorbitan monooleate
  • amines and derivatives thereof examples of the corrosion inhibitor
  • the antifoaming agent examples include silicone-based ones.
  • the total content of the above additives is preferably 15% by mass or less, more preferably 10% by mass or less, based on the total amount of the composition.
  • the kinematic viscosity of the lubricating oil composition of the present invention is not particularly limited, but the kinematic viscosity at 40 ° C. is preferably 30 to 6000 mm 2 Zs, more preferably 50 to 6000 mm 2 Zs, and further preferably 80 60006000 mm 2 Zs, particularly preferably 100 to 5000 mm 2 Zs. If the kinematic viscosity is less than 30 mm 2 Zs, the amount of oil remaining in the tube after annealing tends to increase, and lubricity tends to decrease. On the other hand, if the kinematic viscosity is high such as exceeding 6000 mm 2 Zs, the residual oil amount in the pipe after annealing may increase.
  • the lubricating oil composition for aluminum pipe processing of the present invention having the above-described structure is capable of exhibiting excellent lubricity in drawing, rolling and the like, and has a high heating temperature in the annealing step. Exhibit sufficient thermal decomposability and vaporization characteristics. Therefore, according to the present invention, it is possible to reduce the residual oil in the long and coiled aluminum tube at low cost without performing a special residual oil removal treatment such as purging in an annealing furnace, and as a result, In addition, it is possible to sufficiently prevent the seizure during drawing or rolling, improve the brazing property of the aluminum pipe, and prevent the residual oil in the pipe after annealing or its carbide from being mixed into the refrigeration system. Good luck.
  • HFC-based refrigerants fluorinated alkanes having 1 to 3 carbon atoms are known. Specifically, difluoromethane (HFC-32), trifluoromethane (HFC-23), and pentane Fluoroethane (HFC-125), 1, 1, 2, 2-Tetrafluorene (HFC-134), 1, 1, 1, 2-Tetrafluorene (HFC-134a), 1, 1, 1 -Hydrofluorocarbon (HFC) such as trifluorethane (HFC 143a) and 1,1-difluoroethane (HFC-152a), and mixtures of two or more thereof can be used.
  • HFC-32 difluoromethane
  • HFC-23 trifluoromethane
  • pentane Fluoroethane HFC-125
  • 1, 1, 2, 2-Tetrafluorene HFC-134
  • 1, 1, 2-Tetrafluorene HFC-134a
  • the mixed refrigerant HFC refrigerant for example, 60 to 80 wt% of HFC 134a and mixed refrigerants with HFC 32 of 20-40 mass 0/0, from 40 to 70 weight 0/0 HFC 32 and 30 to 60 wt% of HFC 125 with refrigerant mixing, 40 to 60 weight 0/0 of HFC 125 and 40 to 60 weight 0/0 mixed refrigerant of HFC 143a, and 60 mass 0/0 of HFC - 134a and 30 weight 0/0 HFC 32 and 1 0 mass 0 / refrigerant mixture with 0 of HFC 125, from 40 to 70 weight 0/0 HFC 134a and 15 to 35 mass 0/0 of HFC - 32 mixed refrigerant of 5 to 40 mass 0/0 of HFC 125, and 35 to 55 wt% HFC 125 and 1-15 weight 0/0 HFC 134a and 40 to 60 weight 0/0 A mixed refrigerant
  • the refrigerating machine oil used in the refrigerating system is at least one selected from the group consisting of mineral oil and synthetic oil, if necessary. What added various additives can be used.
  • the mineral oil used as the refrigerating machine oil specifically, for example, a lubricating oil fraction obtained by distilling a crude oil under normal pressure and reduced pressure is subjected to solvent removal, solvent extraction, and hydrocracking.
  • a paraffinic or naphthenic mineral oil obtained by combining one or more of the solvent dewaxing, catalytic dewaxing, hydrorefining, sulfuric acid washing and clay treatments can be used.
  • the synthetic oil used as the refrigerator oil specifically, for example, the ability to use synthetic oxygenated oil such as polyolefin, alkylbenzene, ester, ether, silicate and polysiloxane, Preference is given to using polyolefins, alkylbenzenes, esters and ethers.
  • polyolefins include homoolefins and copolymers of olefins having 2 to 16 carbon atoms, preferably 2 to 12 carbon atoms, and hydrogens thereof. A compound.
  • this polyolefin is a copolymer of olefins having different structures
  • monomer ratio and monomer arrangement in the copolymer there are no particular restrictions on the monomer ratio and monomer arrangement in the copolymer, and random copolymers, block copolymers, and alternating copolymers are not limited. Any of coalescence may be used.
  • the olefin monomer forming the polyolefin may be a olefin, an internal olefin, a linear olefin, or a branched olefin. .
  • olefins examples include, for example, ethylene, propylene, 1-butene, 2-butene, isobutene, linear or branched pentene ( ⁇ -olefin).
  • O-olefins and internal olefins linear or branched hexenes-including olefins and internal olefins, linear or branched heptene (including a-olefins and internal olefins), linear or Branched otaten (including olefins and internal olefins), linear or branched nonene-olefins and internal olefins, linear or branched decene (including olefins and internal olefins) Fin), linear or branched ndene (including ⁇ -olefin and internal olefin), linear or branched dodecene ( ⁇ -olefin) Straight-chain or branched tridecene (including ⁇ -olefin and internal olefin), straight-chain or branched tetradecene (including ⁇ -olefin and internal olefin), and straight-
  • Examples thereof include linear or branched pentadecene (including ⁇ -olefin and internal olefin), and linear or branched hexadecene (including ⁇ -olefin and internal olefin), and mixtures thereof.
  • ethylene, propylene, 1-butene, 2-butene, isobutene and a-olefins having 5 to 12 carbon atoms, and 5 to 12 carbon atoms are preferable to use a mixture thereof. It is even more preferred to use, among ⁇ -olefins, 1-otaten, 1-decene and 1-decene, and mixtures thereof.
  • the above-mentioned polyolefin can be produced by any method.
  • a known organic peroxide such as benzoyl peroxide can be used.
  • Polyolefin can be produced by homopolymerizing or copolymerizing olefins using an oxide catalyst.
  • the organic peroxide catalyst include Friedel-Crafts catalysts such as aluminum chloride, aluminum chloride, polyhydric alcohol, aluminum chloride titanium tetrachloride, aluminum chloride alkyltin halide, and boron fluoride. There is.
  • Ziegler type catalysts such as organic chloride aluminum titanium tetrachloride titanium and organic aluminum tetrachlorosilane titanium can be used.
  • catalyst systems such as aluminoxane-zirconocene-based, ionic compound-zirconocene-based catalysts such as meta-open-side catalysts, and Lewis acid complex-based catalysts such as aluminum chloride base-based and boron fluoride base-based catalysts, Orefin can be homopolymerized or copolymerized.
  • the above-mentioned polyolefin can be used as a component of the refrigerating machine oil.
  • this polyolefin since this polyolefin usually has a double bond, it has thermal stability and acid stability.
  • a hydride of polyolefin obtained by hydrogenating a double bond in a polymer may be used.
  • an appropriate method can be used as a method for obtaining a polyolefin hydride.
  • a polyolefin is hydrogenated with hydrogen in the presence of a known hydrogenation catalyst to saturate a double bond present in the polyolefin. The method can be used.
  • the two steps of hydrogenation are sequentially performed.
  • the polymerization step of the olefin and the hydrogenation step of the double bond present in the polymer are not performed.
  • the steps can be performed simultaneously.
  • any alkyl benzene can be used.
  • alkyl benzene having 1 to 4 alkyl groups having 1 to 40 carbon atoms can be used.
  • alkyl group having 1 to 40 carbon atoms examples include, for example, methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, Pendecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, icosyl, henycosyl, docosyl, tricosyl, tetracosyl, pentacosyl, Hexacosyl group, heptacosyl group, otacosyl group, nonacosyl group, triacontyl group, hentriacontyl group, dotriacontyl Group, tritriacontyl group, tetratriacontyl
  • the alkyl group of the alkylbenzene may be linear or branched. From the viewpoints of force stability, viscosity characteristics, and the like, an alkylbenzene having a branched alkyl group may be used. Preferably, it is used as a synthetic oil. Among them, particularly, alkylbenzene having a branched alkyl group derived from oligomers of olefins such as propylene, butene and isobutylene is preferably used as a refrigerating machine oil because it is easily available.
  • the number of alkyl groups in the alkylbenzene is preferably 1 to 4, but from the viewpoint of stability and availability, a monoalkylbenzene having one alkyl group and two alkyl groups are preferred.
  • the dialkylbenzenes and mixtures thereof can be used as refrigerating machine oil.
  • the alkylbenzene may be a mixture of alkylbenzenes having different structures that are different from a single structure of alkylbenzene.
  • the method for producing alkylbenzene is not limited, but can be generally synthesized by the following synthesis method.
  • the aromatic compound as a raw material specifically, for example, benzene, toluene, xylene, ethylbenzene, methylethylbenzene, getylbenzene, a mixture thereof and the like can be used.
  • the alkylating agent include, among lower monoolefins such as ethylene, propylene, butene, and isobutylene, preferably linear or branched olefins having 6 to 40 carbon atoms obtained by polymerization of propylene. Can be used.
  • linear or branched Colefin having 6 to 40 carbon atoms obtained by thermal decomposition of pettus, heavy oil, petroleum fraction, polyethylene and polypropylene, and petroleum fraction such as kerosene and gas oil It is also possible to use linear olefins having 9 to 40 carbon atoms obtained by separating n-paraffin and orienting the n-paraffin with a catalyst, or a mixture of these olefins.
  • alkylidani catalyst used in the alkylidani are Friedel-Crafts type catalysts such as aluminum chloride and zinc chloride, and sulfuric acid, phosphoric acid, kytungstic acid, hydrofluoric acid and the like.
  • Known alkylation catalysts such as acid catalysts such as clay can be used.
  • esters include dibasic acid esters, polyol esters, complex esters and carbonate esters.
  • Esters that can be used as a component of refrigerating machine oil are substantially equivalent to polybasic acids such as dibasic acids and polyhydric alcohols as acids and alcohols constituting the ester. It shows only those which are all esterified and does not include partial esters in which carboxyl groups, hydroxyl groups and the like remain without being esterified.
  • dibasic acid ester examples include dibasic acids having 5 to 10 carbon atoms, such as daltalic acid, adipic acid, pimelic acid, suberic acid, azelaic acid, and sebacic acid, and methanol, ethanol, Linear or branched propanol, linear or branched butanol, linear or branched pentanol, linear or branched hexanol, linear or branched Heptanol, linear or branched octanol, linear or branched nonanol, linear or branched decanol, linear or branched pendanol, linear Or branched dodecanol, linear or branched tridecanol, linear or branched tetradecanol, linear or branched pentadecanol, linear or branched to Xadenol, linear or branched heptadecanol, straight Linear or branched nonadecanol,
  • Esters and mixtures thereof can be used, and specifically, ditridecyl glutarate, di-2-ethylhexyl adipate, diisodecyl adipate, ditridecyl adipate and di 2-ethylhexyl sebacate, and mixtures thereof, and the like can be used. It can be used.
  • polyol esters include diols.
  • diol examples include ethylene glycol, 1,3 propanediol, propylene glycol, 1,4 butanediol, 1,2 butanediol, 2-methyl-1,3 propanediol, 1,5 pentanediol, Neopentyl glycol, 1,6-hexanediol, 2-ethyl-2-methyl-1,3-propanediol, 1,7 heptanediol, 2-methyl-2-propyl-1,3-propanediol, 2,2 Jethyl-1,3-propanediol, 1 , 8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-decanediol, and 1,12-dodecanediol.
  • polyol having 3 to 20 hydroxyl groups include trimethylolethane, trimethylolpropane, trimethylolbutane, di (trimethylolpropane), tri- (trimethylolpropane), and pentaerythritol.
  • fatty acid having 6 to 20 carbon atoms include pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and tetradecanoic acid Linear or branched ones such as pentadecanoic acid, hexadecanoic acid, heptadecanoic acid, octadecanoic acid, nonadecanoic acid, icosanoic acid, and oleic acid; and a-carbon nuclear grade neo acids.
  • valeric acid isopentanoic acid, capric acid, pelargonic acid, 2-methylhexanoic acid, 2-ethylpentanoic acid, capryprilic acid, 2-ethylhexanoic acid, normal nonanoic acid, 5, 5-trimethylhexanoic acid and the like.
  • Some polyol esters have a free hydroxyl group.
  • neopentyldaricol trimethylo Hindered alcohols such as mono-oleethane, trimethylonolepropane, trimethylonolebutane, gee (trimethylololepronone), tree (trimethylolpropane), pentaerythritol, gee (pentaerythritol), and tri- (pentaerythritol) Is an ester of Specifically, neopentyl glycol 2-ethylhexanoate, trimethylolprononcaprylate, trimethylolpropaneperargonate, pentaerythritolone 2-hexylhexanoate, and pentaerythritol pelargonate, and mixtures thereof There are things.
  • complex esters are esters of fatty acids and dibasic acids with monohydric alcohols and polyols, and include fatty acids, dibasic acids, monohydric alcohols and polyols.
  • dibasic acid ester and the polyol ester the same ones as those exemplified for the dibasic acid ester and the polyol ester can be used.
  • the carbonic acid ester is an ester of carbonic acid with a monohydric alcohol and a polyol.
  • the monohydric alcohol and the polyol are the same as those described above, and homopolymerized or copolymerized with alkylene oxide.
  • Polymerized polydalicol and those obtained by adding polyglycol to the above-mentioned polyols can be used.
  • polyglycol it is preferable to use a polyalkylene glycol and an etherified product thereof, and a modified product thereof.
  • polyalkylene glycol those obtained by homopolymerizing or copolymerizing alkylene oxides such as ethylene oxide, propylene oxide and butylene oxide can be used.
  • alkylene oxides having different structures are copolymerized, block copolymerization may be performed even if random polymerization is not particularly limited as to the polymerization form of the oxyalkylene group. You may.
  • the etherified polyalkylene glycol is obtained by etherifying the hydroxyl group of the above-described polyalkylene glycol.
  • etherified polyalkylene glycol Specifically, monomethyl ether, monoethyl ether, monopropyl ether, monobutynoleate, monopentinoleate, monohexinoleate, monoheptinoleate, monootinoleate, monononatele and monononinoleate Tenoré, monodecinoleatenole, dimethinole ether, dichinoleate ether, dipropyl ether, dibutinoleatel, dipentinole ethere, dihexinooleatene, diheptinoleatenole, dioctinoleatenole, dinonile ether and dinotene Decyl ether and the like.
  • Examples of the modified compound of polydalicol include carohydrates of polyols with alkylene oxides, and ethereal teres thereof.
  • this polyol the same polyols as those exemplified for the polyol ester can be used.
  • polybutyl ether those having a structural unit represented by the following general formula (1) can be used.
  • R 4 , R 5 and R 6 each represent a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms which may be the same or different, and R 7 represents 2 carbon atoms.
  • R 7 represents 2 carbon atoms.
  • R 8 represents a hydrocarbon group having 1 to LO carbon atoms
  • p represents an integer such that the average force of the whole molecule is ⁇ 10.
  • R 4 to R 8 may be the same or different for each structural unit.
  • R 7 - If O there is a plurality, that is, when p is 2 or more, plural R 7 - O is even that being the same or different! /.
  • lubricating oil compositions having the compositions shown in Table 1 were prepared using the base oils and additives described below, respectively.
  • Base oil 1 polybutene (kinematic viscosity at 40 ° C: 5500 mm 2 Zs, number average molecular weight: 1000, infrared absorbance at 12 30 cm _ 1: 0.030)
  • Base Oil 2 Polybutene (kinematic viscosity at 40 ° C: 5300mm 2 Zs, the number-average molecular weight: 1060, 12 infrared absorbance at 30cm _ 1 1: 0. 020)
  • Base oil 3 Polybutylene recall (Kinematic viscosity at 40 ° C: 317 mmVs, number average molecular weight: 2000)
  • Base oil 4 Mineral oil (Kinematic viscosity at 40 ° C: 300mm 2 Zs)
  • Base oil 5 poly atolefin (kinematic viscosity at 40 ° C: 330 mm 2 Zs, number average molecular weight: 2000)
  • A1 Glycerin monooctyl ether
  • A4 Lauric acid.
  • a ball-on-plate reciprocating sliding test (Bauden test) was performed under the following test conditions.
  • Test temperature room temperature.
  • the residual carbon content was measured by the Conradson method of JIS K 2270 "Crude oil and petroleum products-Test method for residual carbon content”. Table 1 shows the obtained results.
  • a catalyst (iron wire, lead wire, aluminum wire with a thickness of 1.6 mm and a length of 50 mm) based on JIS K 2211 “Refrigerator oil”, Annex 2 “Test method for chemical stability with refrigerant (shielded glass tube test)” ) was prepared, and the catalyst was immersed in the sample oil. The catalyst with the sample oil adhering to the surface in this way was placed in a thermostat at 300 ° C and held for 30 minutes.
  • This catalyst is placed in a glass tube with an inner diameter of 10 mm and a wall thickness of lmm, and 1 ml of refrigerating machine oil (polypropylene glycol, kinematic viscosity at 40 ° C: 46 mm 2 Zs) and refrigerant HFC-134alml are sealed, and the upper part of the glass tube is sealed. Fused and sealed. After keeping the sealed glass tube at 175 ° C for 14 days, the appearance of the catalyst and the presence or absence of sludge were observed. Table 1 shows the obtained results. In the column of “Appearance of catalyst” in Table 1, A means “no change”, B means “discoloration is recognized”, and C means “corroded”.
  • Example 9 Base oil 3 85 0.076 0.00 A None
  • Example 10 Base oil 2 90 A3 10 0.092 0.31 B No Comparative example 1 Base oil 4 95 A1 5 0.112 1.21 C Yes Comparative example 2 Base oil 5 95 A1 5 0.091 1.13 C Yes Comparative example 3 Base oil 1 100--0.213 0.00 A None Comparative example 4 Base oil 3 100--0.205 0.00 A None Comparative example 5 Base oil 3 99.8 A1 0.02 0.192 0.00 A None Comparative example 6 Base oil 3 50 A1 50 0.075 0.89 B Available

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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 concerne une composition d'huile de lubrification à utiliser dans l'usinage de tubes en aluminium, caractErisEe en ce qu'elle contient au moins un ElEment sElectionnE parmi le polybutEne et un polyalkylEne glycol, comme huile de base, et au moins un ElEment huileux sElectionnE parmi un composE partiellement EthErifiE provenant d'un alcool multivalent, un ester, un alcool et un acide gras à raison de 0,5 A 40 % en masse par rapport A la quantitE totale de la composition. La composition d'huile de lubrification ci-dessus à utiliser dans l'usinage d'un tube en aluminium prEsente une excellente onctuositE dans l'Etirage de tubes, le laminage de forme ou similaire d'un tube en aluminium, et permet de rEduire de maniEre satisfaisante la quantitE d'huile restant dans un tube lors d'une phase de recuit.
PCT/JP2005/005757 2004-03-31 2005-03-28 Composition d'huile de lubrification a utiliser dans l'usinage de tubes en aluminium WO2005095562A1 (fr)

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JP4933165B2 (ja) * 2006-06-23 2012-05-16 住友軽金属工業株式会社 アルミニウムろう付け用フラックス入りワイヤー用の伸線加工潤滑油、及びそれを用いたアルミニウムろう付け用フラックス入りワイヤーの伸線加工方法
JP5010212B2 (ja) * 2006-08-28 2012-08-29 住友軽金属工業株式会社 アルミニウム管抽伸潤滑油及びそれを用いたアルミニウム管の抽伸方法。
JP5173329B2 (ja) * 2006-09-06 2013-04-03 出光興産株式会社 金属加工用潤滑油組成物
US8283296B2 (en) * 2006-10-11 2012-10-09 Henkel Ag & Co., Kgaa Lubricant for hot forging applications
JP2009029913A (ja) * 2007-07-26 2009-02-12 Sumitomo Light Metal Ind Ltd アルミニウム管抽伸潤滑油、及びそれを用いたアルミニウム管の抽伸方法
JP2009067873A (ja) * 2007-09-12 2009-04-02 Adeka Corp 潤滑剤組成物及びそれを含有する潤滑油組成物
JP5325438B2 (ja) * 2008-03-21 2013-10-23 Ｊｘ日鉱日石エネルギー株式会社 非鉄金属管加工用潤滑油組成物
JP5883315B2 (ja) * 2012-02-28 2016-03-15 出光興産株式会社 金属加工用潤滑油組成物

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JPH05331484A (ja) * 1992-06-03 1993-12-14 Nippon Light Metal Co Ltd 金属の加工油剤
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JPH11209781A (ja) * 1998-01-22 1999-08-03 Kobe Steel Ltd 抽伸加工用潤滑油
JP2000096073A (ja) * 1998-09-22 2000-04-04 Sumitomo Light Metal Ind Ltd 銅管内面潤滑油および該潤滑油を使用する銅管の製造方法
JP2000186291A (ja) * 1998-10-13 2000-07-04 Kobe Steel Ltd 銅管加工用潤滑油

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JPH05331484A (ja) * 1992-06-03 1993-12-14 Nippon Light Metal Co Ltd 金属の加工油剤
JPH11193390A (ja) * 1997-11-04 1999-07-21 Kobe Steel Ltd 抽伸加工用潤滑油
JPH11209781A (ja) * 1998-01-22 1999-08-03 Kobe Steel Ltd 抽伸加工用潤滑油
JP2000096073A (ja) * 1998-09-22 2000-04-04 Sumitomo Light Metal Ind Ltd 銅管内面潤滑油および該潤滑油を使用する銅管の製造方法
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