WO2010092656A1 - Oil composition for aluminum working with minimal quantity lubrication - Google Patents
Oil composition for aluminum working with minimal quantity lubrication Download PDFInfo
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- WO2010092656A1 WO2010092656A1 PCT/JP2009/007162 JP2009007162W WO2010092656A1 WO 2010092656 A1 WO2010092656 A1 WO 2010092656A1 JP 2009007162 W JP2009007162 W JP 2009007162W WO 2010092656 A1 WO2010092656 A1 WO 2010092656A1
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- oil
- acid
- branched
- linear
- carbon atoms
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- 0 CN(*)C(S[Zn]SC(N(*)*)=[S+])=S Chemical compound CN(*)C(S[Zn]SC(N(*)*)=[S+])=S 0.000 description 1
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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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/04—Hydroxy compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/10—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M105/12—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms monohydroxy
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/10—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M105/14—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms polyhydroxy
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/40—Esters containing free hydroxy or carboxyl groups
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/04—Hydroxy compounds
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- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/04—Hydroxy compounds
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- C10M129/08—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least 2 hydroxy groups
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- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
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- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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- C10M2207/289—Partial esters containing free hydroxy groups
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- C10M2207/2895—Partial esters containing free hydroxy groups used as base material
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- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
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- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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- 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
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- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
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- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
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- C10N2040/244—Metal working of specific metals
- C10N2040/245—Soft metals, e.g. aluminum
Definitions
- the present invention relates to a trace amount oil supply type oil processing composition for aluminum processing.
- Aluminum processing includes cutting processing, grinding processing, rolling processing, forging processing, press processing, drawing processing, rolling processing, and the like. Usually, these aluminum processing is performed using a lubricant. For example, in cutting and grinding, productivity in machining, such as extending the life of tools such as drills, end mills, tools, and grindstones used in machining, improving the surface roughness of workpieces, and thereby improving machining efficiency For the purpose of improving the quality, oil for cutting and grinding is usually used.
- the cutting and grinding fluids are water-soluble cutting and grinding fluids that use diluted surfactant and lubricant components in water, and water-insoluble cutting and grinding fluids that use mineral oil as the main ingredient.
- water-insoluble cutting and grinding fluids are excellent in lubrication performance, and water-soluble cutting and grinding fluids are excellent in cooling performance.
- the water-insoluble oil usually requires a large amount of water-insoluble cutting / grinding oil of several liters per minute to tens of liters in some cases.
- the deteriorated oil is discarded and a new oil is used.
- the oil discharged as waste requires various treatments so as not to affect the environment.
- cutting and grinding fluids that have been developed with a priority on improving work efficiency often use chlorinated compounds that may generate toxic dioxins during incineration. Processing is required.
- cutting and grinding fluids that do not contain chlorinated compounds have also been developed, but even with such cutting and grinding fluids that do not contain such harmful components, there is a problem of environmental impact associated with the massive discharge of waste. is there.
- water-soluble oils there is a possibility of polluting the environmental water area, so it is necessary to perform advanced treatment at high cost.
- Oily agents such as saturated carboxylic acid sulfides, polyoxyalkylene compounds, esters, polyhydric alcohol hydrocarbyl ethers, and amines are used, and usually 0.1 to 15% by mass based on the total amount of the composition is used. (For example, refer to Patent Document 2).
- esters have been used to reduce friction and wear during processing. Esters are used not only as additives because they have high lubricity and stability, but also as base oils that occupy most of the oils. However, there is a limit to the performance of oils mainly composed of esters, and there is an urgent need for the development of higher-performance processing oils for further improvement of productivity.
- This invention is made
- the present inventors have found that the above problems can be solved by using an oil agent composition containing a specific amount of an alcohol compound having a specific structure, and completed the present invention. It came to do.
- the present invention provides an ultra-trace oil supply type aluminum characterized by containing an alcohol compound having 1 to 8 hydroxyl groups and having 2 to 27 carbon atoms, based on the total amount of the composition, from 16% by mass to 100% by mass.
- the present invention relates to a processing oil composition.
- the oil composition for aluminum processing of the present invention with a very small amount of oil supply is balanced in improving processing efficiency, improving tool life, and handling in aluminum processing such as cutting, grinding, and rolling. It becomes possible to improve sufficiently.
- an alcohol compound having 1 to 8 hydroxyl groups and 2 to 27 carbon atoms (hereinafter referred to as an alcohol compound according to the present invention) is used.
- an alcohol compound according to the present invention By using the alcohol compound according to the present invention as an oil agent component, it is possible to achieve a high level of well-balanced improvement in processing efficiency, tool life, and handleability.
- the monohydric alcohol is preferably a linear or branched alcohol having 3 to 18 carbon atoms, or a cycloalkyl alcohol or alkylcycloalkyl alcohol having 5 to 10 carbon atoms. It is done.
- linear or branched propanol n-propanol, 1-methylethanol, etc.
- linear or branched butanol n-butanol, 1-methylpropanol, 2-methylpropanol, etc.
- Linear or branched pentanol n-pentanol, 1-methylbutanol, 2-methylbutanol, 3-methylbutanol, etc.
- linear or branched hexanol n-hexanol, 1 -Methylpentanol, 2-methylpentanol, 3-methylpentanol, etc.
- linear or branched heptanol n-heptanol, 1-methylhexanol, 2-methylhexanol, 3-methylhexanol, 4- Methyl hexanol, 5-methyl hexanol, 2,4-dimethylpentanol, etc.
- linear or branched Butanol n-oct
- a polyhydric alcohol having 2 to 8 hydroxyl groups is used as the polyhydric alcohol.
- dihydric alcohol examples include ethylene glycol, 1,2-propanediol (propylene glycol), 1,3-propanediol, 1,4-butanediol, 1,2-butanediol, 2-methyl-1,2-propanediol, 2-methyl-1,3-propanediol, 1,3-butanediol, 1,4-butanediol, 1,2-pentanediol, 1,3-pentanediol, , 4-pentanediol, 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-diethyl-1,3-propanediol, 1,
- trihydric or higher alcohols include trimethylolethane, trimethylolpropane, trimethylolbutane, di- (trimethylolpropane), tri- (trimethylolpropane), pentaerythritol, di- ( Pentaerythritol), tri- (pentaerythritol), glycerin, polyglycerin (glycerin 2 to 20-mer), 1,3,5-pentanetriol, sorbitol, sorbitan, sorbitol glycerin condensate, adonitol, arabitol, xylitol, mannitol Polyhydric alcohol such as xylose, arabinose, ribose, rhamnose, glucose, fructose, galactose, mannose, sorbose, cellobiose, maltose, isomaltose, trehalose, sh Loin, raffinose
- neopentyl glycol trimethylol ethane, trimethylol propane, trimethylol butane, di- (trimethylol propane), tri- (trimethylol propane), pentaerythritol, di- (pentaerythritol), tri- (penta Hindered alcohols such as erythritol are preferred.
- a saturated monohydric alcohol having a branched chain is particularly preferably used from the viewpoint of aluminum processability. Two or more kinds of the alcohol compounds according to the present invention can be mixed and used.
- the content of the alcohol compound according to the present invention is required to be 16% by mass or more, preferably 18% by mass or more, more preferably from the viewpoint of improvement in processing efficiency and tool life, based on the total amount of the composition. It is 20 mass% or more. Further, from the viewpoint of handleability, it is 100% by mass or less, more preferably 95% by mass or less, still more preferably 90% by mass or less, and most preferably 80% by mass or less, based on the total amount of the composition.
- the base oil of the aluminum processing oil composition of the present invention may be the base oil of the alcohol compound according to the present invention alone, and may be used for ordinary lubricating oils as long as the processing efficiency, tool life, and handleability are not impaired.
- the base oil to be used can be mixed and used. As such base oil, mineral oil or synthetic oil is used. These may be a mixture.
- mineral oil for example, a lubricating oil fraction obtained by subjecting crude oil to atmospheric distillation and vacuum distillation is subjected to solvent removal, solvent extraction, hydrocracking, solvent dewaxing, catalytic dewaxing, catalytic dewaxing, hydrogenation.
- examples thereof include paraffinic mineral oil or naphthenic mineral oil that is refined by appropriately combining one or more purification treatments such as purification, sulfuric acid washing, and clay treatment.
- Synthetic oils include, for example, propylene oligomer, polybutene, polyisobutylene, 1-octene oligomer, 1-decene oligomer, ethylene and propylene co-oligomer, ethylene and 1-octene co-oligomer, and ethylene and 1-decene.
- Poly ⁇ -olefins such as co-oligomers or hydrides thereof; isoparaffins; alkyl benzenes such as monoalkyl benzene, dialkyl benzene and polyalkyl benzene; alkyl naphthalenes such as monoalkyl naphthalenes, dialkyl naphthalenes and polyalkyl naphthalenes; dioctyl adipates, di-2- Dibasic acid esters such as ethylhexyl adipate, diisodecyl adipate, ditridecyl adipate, di-2-ethylhexyl sebacate, ditridecyl glutarate; Tribasic acid esters such as triacid; polyol esters such as trimethylolpropane caprylate, trimethylolpropane pelargonate, pentaerythritol 2-ethylhex
- esters (a) to (c) shown below are more preferable.
- esters (A) and (c) are more preferred.
- ester of monohydric alcohol and monobasic acid (b) ester of dihydric alcohol and monobasic acid (c) ester of monohydric alcohol and dibasic acid
- Examples of the monohydric alcohol and the dihydric alcohol include the same monohydric alcohols and dihydric alcohols as the alcohol compound according to the present invention described above.
- a fatty acid having 2 to 24 carbon atoms is usually used, and the fatty acid may be linear or branched, and may be saturated or unsaturated.
- saturated fatty acids having 3 to 20 carbon atoms, unsaturated fatty acids having 3 to 22 carbon atoms, and mixtures thereof are particularly preferable from the viewpoint of improvement in processing efficiency and tool life, and handleability, and those having 4 to 18 carbon atoms.
- Saturated fatty acids, unsaturated fatty acids having 4 to 18 carbon atoms and mixtures thereof are more preferable, unsaturated fatty acids having 4 to 18 carbon atoms are more preferable, and saturated fatty acids having 4 to 18 carbon atoms are further preferable from the viewpoint of stickiness prevention. preferable.
- dibasic acid examples include dibasic acids having 2 to 16 carbon atoms.
- the dibasic acid having 2 to 16 carbon atoms may be linear or branched, and may be saturated or unsaturated. Specifically, ethanedioic acid, propanedioic acid, linear or branched butanedioic acid, linear or branched pentanedioic acid, linear or branched hexanedioic acid, linear or Branched heptanedioic acid, linear or branched octanedioic acid, linear or branched nonanedioic acid, linear or branched decanedioic acid, linear or branched undecanedioic acid , Linear or branched dodecanedioic acid, linear or branched tridecanedioic acid, linear or branched tetradecanedioic acid, linear or branched heptadecanedi
- the base oil of the aluminum processing oil composition of the present invention may be any alcohol compound according to the present invention as long as the alcohol compound according to the present invention is contained in an amount of 16% by mass or more based on the total amount of the composition. Any type and blending amount of the base oil other than the compound may be used.
- the oil processing composition for aluminum processing of the present invention preferably contains an oil based agent from the viewpoint of improving processing efficiency and tool life.
- an oil based agent (A) carboxylic acid, (B) sulfide of unsaturated carboxylic acid, (C) compound represented by the following general formula (1), (D) represented by the following general formula (2) Compounds, (E) polyoxyalkylene compounds, (F) esters, (G) hydrocarbyl ethers of polyhydric alcohols, (H) amines, and the like.
- R 1 represents a hydrocarbon group having 1 to 30 carbon atoms
- a represents an integer of 1 to 6
- b represents an integer of 0 to 5.
- R 2 represents a hydrocarbon group having 1 to 30 carbon atoms
- c represents an integer of 1 to 6
- d represents an integer of 0 to 5.
- the carboxylic acid may be a monobasic acid or a polybasic acid. From the viewpoint of improving processing efficiency and tool life, monovalent carboxylic acids having 1 to 40 carbon atoms are preferable, carboxylic acids having 5 to 25 carbon atoms are more preferable, and carboxylic acids having 5 to 20 carbon atoms are most preferable. It is. These carboxylic acids may be linear or branched and may be saturated or unsaturated, but are preferably saturated carboxylic acids from the standpoint of stickiness prevention. Specifically, the same thing as the monobasic acid and polybasic acid which were illustrated in description of above-mentioned ester can be mentioned.
- Examples of the unsaturated carboxylic acid sulfide include unsaturated sulfides of the carboxylic acid (A) described above.
- a sulfide of oleic acid can be used.
- examples of the hydrocarbon group having 1 to 30 carbon atoms represented by R 1 include a linear or branched alkyl group having 1 to 30 carbon atoms, A cycloalkyl group having 5 to 7 carbon atoms, an alkylcycloalkyl group having 6 to 30 carbon atoms, a linear or branched alkenyl group having 2 to 30 carbon atoms, an aryl group having 6 to 10 carbon atoms, and a 7 to 30 carbon atom Examples thereof include an alkylaryl group and an arylalkyl group having 7 to 30 carbon atoms.
- a straight-chain or branched alkyl group having 1 to 30 carbon atoms is preferable, a straight-chain or branched alkyl group having 1 to 20 carbon atoms is more preferable, and a straight-chain or branched alkyl group having 1 to 20 carbon atoms is more preferable.
- 10 is a linear or branched alkyl group, and most preferably a linear or branched alkyl group having 1 to 4 carbon atoms.
- Examples of the linear or branched alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, a linear or branched propyl group, and a linear or branched butyl group.
- the substitution position of the hydroxyl group is arbitrary, but when it has two or more hydroxyl groups, it is preferably substituted with an adjacent carbon atom.
- a is preferably an integer of 1 to 3, and more preferably 2.
- b is preferably an integer of 0 to 3, more preferably 1 or 2.
- Examples of the compound represented by the general formula (1) include p-tert-butylcatechol.
- examples of the hydrocarbon group having 1 to 30 carbon atoms represented by R 2 are represented by R 1 in the general formula (1).
- the substitution position of the hydroxyl group is arbitrary, but when it has two or more hydroxyl groups, it is preferably substituted with an adjacent carbon atom.
- c is preferably an integer of 1 to 3, more preferably 2.
- d is preferably an integer of 0 to 3, more preferably 1 or 2.
- Examples of the compound represented by the general formula (2) include 2,2-dihydroxynaphthalene and 2,3-dihydroxynaphthalene.
- Examples of the polyoxyalkylene compound include compounds represented by the following general formula (3) or (4).
- R 3 and R 5 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms
- R 4 represents an alkylene group having 2 to 4 carbon atoms
- e is a number average. It represents an integer having a molecular weight of 100 to 3500.
- A represents a residue obtained by removing part or all of the hydrogen atoms of a hydroxyl group of a polyhydric alcohol having 3 to 8 hydroxyl groups
- R 6 represents an alkylene group having 2 to 4 carbon atoms
- R 7 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms
- f represents an integer having a number average molecular weight of 100 to 3500
- g represents the number of hydrogen atoms removed from the hydroxyl group of A, Represents the same number.
- R 3 and R 5 is preferably a hydrogen atom.
- the hydrocarbon group having 1 to 30 carbon atoms represented by R 3 and R 5 are the same as the examples of the hydrocarbon group having 1 to 30 carbon atoms represented by R 1 in the general formula (1). Examples of preferred ones are also the same.
- Specific examples of the alkylene group having 2 to 4 carbon atoms represented by R 4 include an ethylene group, a propylene group (methylethylene group), and a butylene group (ethylethylene group).
- e is preferably an integer having a number average molecular weight of 300 to 2,000, and more preferably an integer having a number average molecular weight of 500 to 1,500.
- polyhydric alcohol having 3 to 8 hydroxyl groups constituting A are the same as those of the alcohol compound according to the present invention.
- alkylene group having 2 to 4 carbon atoms represented by R 6 include the same examples as the alkylene group having 2 to 4 carbon atoms represented by R 4 in the general formula (3).
- hydrocarbon group having 1 to 30 carbon atoms represented by R 7 are the same as those of the hydrocarbon group having 1 to 30 carbon atoms represented by R 1 in the general formula (1). Examples of preferred ones are the same.
- At least one of g R 7 is preferably a hydrogen atom, more preferably all hydrogen atoms.
- f is preferably an integer having a number average molecular weight of 300 to 2,000, and more preferably an integer having a number average molecular weight of 500 to 1,500.
- the ester may be a monohydric alcohol or a polyhydric alcohol, and the carboxylic acid may be a monobasic acid or a polybasic acid.
- Examples of the monohydric alcohol and polyhydric alcohol constituting the ester include the same monohydric alcohol and polyhydric alcohol exemplified in the description of the alcohol compound according to the present invention.
- Examples of the monobasic acid and polybasic acid constituting the ester can also be the same as the monobasic acid and polybasic acid exemplified in the above description of the ester.
- a polyhydric alcohol When a polyhydric alcohol is used as the alcohol component, it may be a complete ester in which all the hydroxyl groups in the polyhydric alcohol are esterified, or a partial ester in which some of the hydroxyl groups are not esterified and remain as hydroxyl groups. Good. Further, when a polybasic acid is used as the carboxylic acid component, it may be a complete ester in which all the carboxyl groups in the polybasic acid are esterified, or a part of the carboxyl group is not esterified and remains as a carboxyl group. It may be a partial ester.
- the total carbon number of the ester is not particularly limited, an ester having a total carbon number of 7 or more is preferable, an ester of 9 or more is more preferable, and an ester of 11 or more is most preferable from the viewpoint of improvement in processing efficiency and tool life. . Further, from the viewpoint of not increasing the occurrence of stain and corrosion, and compatibility with organic materials, an ester having a total carbon number of 60 or less is preferred, an ester of 45 or less is more preferred, an ester of 26 or less is more preferred, 24 or less esters are more preferred, and 22 or less esters are most preferred.
- the polyhydric alcohol constituting the hydrocarbyl ether of the polyhydric alcohol is usually 2 to 8 valent, preferably 2 to 6 valent. Specific examples of the polyhydric alcohol having 3 to 8 hydroxyl groups are the same as those of the alcohol compound according to the present invention. These polyhydric alcohols may be used alone or in combination of two or more.
- Preferred polyhydric alcohols include ethylene glycol, propylene glycol, neopentyl glycol, glycerin, trimethylol ethane, trimethylol propane, pentaerythritol, sorbitan, and mixtures thereof. Among these, glycerin is most preferable from the viewpoint of improving the processing efficiency and the tool life.
- hydrocarbyl ether of the polyhydric alcohol one obtained by converting a part or all of the hydroxyl groups of the polyhydric alcohol into a hydrocarbyl ether can be used. From the viewpoint of improving processing efficiency and tool life, a product obtained by hydrocarbyl etherifying a part of hydroxyl groups of a polyhydric alcohol (partially etherified product) is preferable.
- the hydrocarbyl group here means an alkyl group having 1 to 24 carbon atoms, an alkenyl group having 2 to 24 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, an alkylcycloalkyl group having 6 to 11 carbon atoms, carbon Represents a hydrocarbon group having 1 to 24 carbon atoms such as an aryl group having 6 to 10 carbon atoms, an alkylaryl group having 7 to 18 carbon atoms, and an arylalkyl group having 7 to 18 carbon atoms.
- hydrocarbyl groups a straight chain or branched alkyl group having 2 to 18 carbon atoms or a straight chain or branched alkenyl group having 2 to 18 carbon atoms is preferable from the viewpoint of improving machining efficiency and tool life.
- a linear or branched alkyl group having 3 to 12 carbon atoms and an oleyl group (residue obtained by removing a hydroxyl group from oleyl alcohol) are more preferable.
- (H) Monoamine is preferably used as the amine.
- the carbon number of the monoamine is preferably 6 to 24, more preferably 12 to 24.
- the carbon number here means the total number of carbon atoms contained in the monoamine, and when the monoamine has two or more hydrocarbon groups, it represents the total number of carbon atoms.
- any of a primary monoamine, a secondary monoamine, and a tertiary monoamine can be used, but a primary monoamine is preferable from the viewpoint of improving processing efficiency and tool life. .
- any of an alkyl group, alkenyl group, cycloalkyl group, alkylcycloalkyl group, aryl group, alkylaryl group, arylalkyl group, etc. can be used. From the viewpoint of improving efficiency and tool life, an alkyl group or an alkenyl group is preferable.
- the alkyl group and alkenyl group may be linear or branched, but are preferably linear from the viewpoint of improving processing efficiency and tool life.
- Preferable monoamines used in the present invention include, for example, hexylamine (including all isomers), heptylamine (including all isomers), octylamine (including all isomers), nonylamine (all ), Decylamine (including all isomers), undecylamine (including all isomers), dodecylamine (including all isomers), tridecylamine (including all isomers) ), Tetradecylamine (including all isomers), pentadecylamine (including all isomers), hexadecylamine (including all isomers), heptadecylamine (including all isomers), Octadecylamine (including all isomers), Nonadecylamine (including all isomers), Icosylamine (including all isomers), Henicosyl Min (including all isomers), docosylamine (including all isomers), tricosylamine (including all isomers), tetracosy
- primary monoamines having 12 to 24 carbon atoms are preferable, primary monoamines having 14 to 20 carbon atoms are more preferable, and primary monoamines having 16 to 18 carbon atoms are preferable from the viewpoint of improving machining efficiency and tool life.
- Grade monoamines are more preferred.
- only one selected from the above oil agents (A) to (H) may be used, or a mixture of two or more may be used.
- the content of the oily agent is not particularly limited, but is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, based on the total amount of the oily agent composition, from the viewpoint of improving processing efficiency and tool life. More preferably, it is 0.1 mass% or more. From the viewpoint of stability, the content of the oily agent is preferably 15% by mass or less, more preferably 10% by mass or less, and further preferably 5% by mass or less, based on the total amount of the oily agent composition.
- the aluminum processing oil of the present invention preferably further contains an extreme pressure agent.
- Preferred extreme pressure agents include sulfur compounds and phosphorus compounds.
- the sulfur compound is not particularly limited as long as it does not impair the properties as an aluminum processing oil, but dihydrocarbyl polysulfide, sulfide ester, sulfide mineral oil, zinc dithiophosphate, zinc dithiocarbamate, molybdenum dithiocarbamate and dithiocarbamine. Molybdate acid is preferably used.
- the dihydrocarbyl polysulfide is a sulfur compound generally called polysulfide or sulfurized olefin, and specifically means a compound represented by the following general formula (5).
- R 8 -S h -R 9 (5) [In the formula (5), R 8 and R 9 may be the same or different and each represents a linear or branched alkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, Represents an alkylaryl group having 7 to 20 carbon atoms or an arylalkyl group having 7 to 20 carbon atoms, and h represents an integer of 2 to 6, preferably 2 to 5. ]
- R 8 and R 9 in the general formula (5) are each a branched alkyl group having 3 to 18 carbon atoms derived from ethylene or propylene, from the viewpoint of improving the processing efficiency and tool life. More preferred is a branched alkyl group having 6 to 15 carbon atoms derived from ethylene or propylene.
- sulfurized ester examples include animal and vegetable fats and oils such as beef tallow, pork tallow, fish fat, rapeseed oil and soybean oil; unsaturated fatty acids (oleic acid, linoleic acid, fatty acids extracted from the above-mentioned animal and vegetable fats and the like, etc. ) And various alcohols, and unsaturated fatty acid esters obtained by reacting them with alcohols; and those obtained by sulfiding a mixture thereof by any method.
- animal and vegetable fats and oils such as beef tallow, pork tallow, fish fat, rapeseed oil and soybean oil
- unsaturated fatty acids oleic acid, linoleic acid, fatty acids extracted from the above-mentioned animal and vegetable fats and the like, etc.
- unsaturated fatty acids oleic acid, linoleic acid, fatty acids extracted from the above-mentioned animal and vegetable fats and the like, etc.
- Sulfided mineral oil refers to mineral oil dissolved in elemental sulfur.
- the mineral oil is not particularly limited, and specifically, a lubricating oil fraction obtained by subjecting crude oil to atmospheric distillation and vacuum distillation is subjected to solvent removal, solvent extraction, hydrocracking, solvent dewaxing, Examples thereof include paraffinic mineral oil and naphthenic mineral oil that are refined by appropriately combining one or two or more kinds of purification treatments such as catalytic dewaxing, hydrorefining, sulfuric acid washing, and clay treatment.
- the elemental sulfur any form such as a lump, powder, molten liquid, etc. may be used, but when powdered or molten liquid elemental sulfur is used, it is efficiently dissolved in the base oil.
- molten liquid elemental sulfur has the advantage that the melting operation can be performed in a very short time because the liquids are mixed together, but it must be handled above the melting point of elemental sulfur, such as heating equipment It is not always easy to handle because it requires special equipment and is handled in a high temperature atmosphere.
- powdery simple sulfur is particularly preferable because it is inexpensive and easy to handle, and the time required for dissolution is sufficiently short.
- the sulfur content in the sulfide mineral oil is not particularly limited, but usually it is preferably 0.05 to 1.0 mass%, more preferably 0.1 to 0.5 mass%, based on the total amount of sulfide mineral oil. is there.
- the zinc dithiophosphate compound, zinc dithiocarbamate compound, molybdenum dithiophosphate compound and molybdenum dithiocarbamate compound mean compounds represented by the following general formulas (6) to (9), respectively.
- R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , R 22 , R 23 , R 24 and R 25 may be the same or different and each represents a hydrocarbon group having 1 or more carbon atoms, X 1 and X 2 each represents an oxygen atom or a sulfur atom, and each X 1 and each X 2 May be the same or different.
- the present invention among the above sulfur compounds, it is preferable to use at least one selected from the group consisting of dihydrocarbyl polysulfide and sulfurized ester because the effect of improving machining efficiency and tool life can be achieved at a higher level. .
- the content of the sulfur compound is arbitrary, it is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, more preferably 0.05% by mass or more, based on the total amount of the oil agent composition, from the viewpoint of improvement in processing efficiency and tool life. Preferably it is 0.1 mass% or more. Further, from the viewpoint of preventing abnormal wear, the content of the sulfur compound is preferably 50% by mass or less, more preferably 40% by mass or less, still more preferably 30% by mass or less, particularly preferably, based on the total amount of the oil composition. It is 20 mass% or less.
- phosphorus compounds used as extreme pressure agents in the present invention include phosphoric acid esters, acidic phosphoric acid esters, amine salts of acidic phosphoric acid esters, chlorinated phosphoric acid esters, phosphorous acid esters, and phosphors. Examples include thionate. Examples of these phosphorus compounds include esters of phosphoric acid, phosphorous acid or thiophosphoric acid and alkanols, polyether type alcohols, or derivatives thereof.
- phosphoric acid esters among the above phosphorus compounds, phosphoric acid esters, acidic phosphoric acid esters, and amine salts of acidic phosphoric acid esters are preferable from the viewpoint of improving machining efficiency and tool life.
- the aluminum processing oil composition of the present invention can be suitably used as an oil for lubricating other lubricating parts of machine tools used for metal processing.
- the oil composition is used as a sliding surface oil, it is preferable to use an acidic phosphate ester or an amine salt of an acidic phosphate ester.
- the oil agent composition of this invention when using the oil agent composition of this invention as a hydraulic fluid, it is preferable to use phosphate ester.
- the aluminum processing oil composition of the present invention may contain only one of a sulfur compound and a phosphorus compound as an extreme pressure agent, or may contain both a sulfur compound and a phosphorus compound. .
- the content of the extreme pressure agent is arbitrary, it is preferably 0.005% by mass or more and 0.01% by mass or more based on the total amount of the oil composition from the viewpoint of improving the processing efficiency and tool life. More preferably, it is more preferably 0.05% by mass or more. From the viewpoint of preventing abnormal wear, the content of the phosphorus compound is preferably 15% by mass or less, more preferably 10% by mass or less, and more preferably 5% by mass or less, based on the total amount of the oil composition. Even more preferably.
- oily agent or extreme pressure agent only one of the above-mentioned oily agent or extreme pressure agent may be used, but the oily agent and extreme pressure agent are used in combination since the effect of improving the processing efficiency and tool life can be achieved at a higher level. It is preferable to do.
- the oil processing composition for aluminum processing of the present invention preferably further contains an antioxidant.
- Antioxidants that can be used include phenolic antioxidants, amine-based antioxidants, zinc dithiophosphate antioxidants, and those used as food additives.
- any phenolic compound used as an antioxidant for lubricating oils can be used, and is not particularly limited, but for example, an alkylphenol compound is preferable.
- any amine-based compound used as an antioxidant for lubricating oils can be used, and is not particularly limited.
- phenyl- ⁇ -naphthylamine, Np-alkyl Phenyl- ⁇ -naphthylamine and p, p′-dialkyldiphenylamine are preferred, and specific examples include 4-butyl-4′-octyldiphenylamine, phenyl- ⁇ -naphthylamine, octylphenyl- ⁇ -naphthylamine, dodecylphenyl. - ⁇ -naphthylamine and mixtures thereof.
- zinc dithiophosphate antioxidant examples include zinc dithiophosphate represented by the following general formula (18).
- R 51 , R 52 , R 53 and R 54 may be the same or different and each represents a hydrocarbon group.
- Antioxidants used as food additives partially overlap with the above-mentioned phenolic antioxidants.
- 2,6-di-tert-butyl-p-cresol DBPC
- 4,4 '-Methylenebis (2,6-di-tert-butylphenol), 4,4'-bis (2,6-di-tert-butylphenol), 4,4'-thiobis (6-tert-butyl-o-cresol) Ascorbic acid (vitamin C), fatty acid ester of ascorbic acid, tocopherol (vitamin E), 3,5-di-tert-butyl-4-hydroxyanisole, 2-tert-butyl-4-hydroxyanisole, 3-tert- Butyl-4-hydroxyanisole, 1,2-dihydro-6-ethoxy-2,2,4-trimethylquinoline (ethoxyquin), 2- (1,1-dimethyl) 1,4-benzenediol (TBHQ), can be mentioned 2,4,5-hydroxybutyronitrile phenone (THBP).
- antioxidants those used as phenolic antioxidants, amine antioxidants, and food additives are preferable. Furthermore, when importance is attached to biodegradability, those used as the above-mentioned food additives are more preferable.
- the content is preferable 0.01 mass% or more on the basis of the amount of total composition of oil agent, More preferably, it is 0.00. 05% by mass or more, most preferably 0.1% by mass or more.
- the content is preferably 10% by mass or less, more preferably 5% by mass or less, and most preferably 3% by mass or less.
- the aluminum processing oil composition of the present invention may contain conventionally known additives other than those described above.
- additives include extreme pressure additives other than the phosphorus compounds and sulfur compounds described above (including chlorine extreme pressure agents); wetting agents such as diethylene glycol monoalkyl ether; acrylic polymers, paraffin wax, microwax, slack Film forming agents such as wax and polyolefin wax; water displacement agents such as fatty acid amine salts; solid lubricants such as graphite, graphite fluoride, molybdenum disulfide, boron nitride, polyethylene powder; amines, alkanolamines, amides, carboxylic acids, Corrosion inhibitors such as carboxylates, sulfonates, phosphoric acid, phosphates, partial esters of polyhydric alcohols; metal deactivators such as benzotriazoles and thiadiazoles; quenching of methylsilicones, fluorosilicones, polyacrylates,
- Foaming agent alkenyl succinimide, benzy Amine, ashless dispersants such as polyalkenyl amines polyaminoamide; and the like.
- the content when these known additives are used in combination is not particularly limited, but is added in such an amount that the total content of these known additives is 0.1 to 10% by mass based on the total amount of the composition. It is common.
- the kinematic viscosity of the oil processing composition for aluminum processing of the present invention is not particularly limited, but the kinematic viscosity at 40 ° C. is preferably 200 mm 2 / s or less from the viewpoint of easy supply to the processed part, and 100 mm 2 / S or less is more preferable, 75 mm 2 / s or less is further preferable, and 50 mm 2 / s or less is particularly preferable. Further, from the viewpoint of improving the processing efficiency and the tool life, the kinematic viscosity at 40 ° C. is preferably 1 mm 2 / s or more, more preferably 3 mm 2 / s or more, and 5 mm 2 / s or more. More preferably.
- Base oil Base oil a Mineral oil (kinematic viscosity at 40 ° C. 32 mm 2 / s)
- Base oil b Trimethylolpropane trioleate
- Base oil c Poly ⁇ -olefin (kinematic viscosity at 40 ° C.
- tapping test The processing performance of the aluminum processing oil compositions of Examples 1 to 9 and Comparative Examples 1 to 5 was evaluated using diisodecyl adipate as a comparative standard oil. Specifically, a tapping test was conducted under the following conditions using the oil agent compositions of Examples 1 to 9 or Comparative Examples 1 to 5 and diisodecyl adipate alternately. In Comparative Example 6, a similar tapping test was performed by spraying only compressed air without using an oil agent.
- tapping energy efficiency (%) (tapping energy when using comparative standard oil) / (tapping energy when using oil composition)
- Table 1 The obtained results are shown in Table 1. In the table, the higher the value of tapping energy efficiency, the higher the lubricity.
- Table 1 shows that the oil processing composition for aluminum processing of the present invention has high tapping energy efficiency and excellent lubricity, and has a low rate of decrease in tapping energy efficiency and excellent wear resistance. Furthermore, it turns out that there is no discoloration with respect to aluminum.
- the aluminum processing oil composition of the present invention can be suitably used for aluminum processing such as cutting, grinding, rolling, forging, pressing, drawing, and rolling. Among these uses, it is very useful as an oil used for cutting, grinding, or rolling.
- the supply method to the processing part of the aluminum processing oil composition of the present invention is a trace amount oil supply type, and the aluminum processing oil composition of the present invention is particularly suitable as a trace amount oil supply type cutting and grinding oil. It is.
- the aluminum processing oil composition of the present invention can also be used as a lubricating oil for bearing parts, hydraulic equipment, and gear parts, and the lubricating oil in each of these parts is used as a common oil. be able to.
Abstract
Description
例えば、切削・研削加工においては、加工に用いられるドリル、エンドミル、バイト、砥石等の工具の寿命延長や被加工物の表面粗さの向上、並びにそれによる加工能率の向上といった機械加工における生産性の向上を目的として、通常、切削・研削加工用油剤が使用されている。 Aluminum processing includes cutting processing, grinding processing, rolling processing, forging processing, press processing, drawing processing, rolling processing, and the like. Usually, these aluminum processing is performed using a lubricant.
For example, in cutting and grinding, productivity in machining, such as extending the life of tools such as drills, end mills, tools, and grindstones used in machining, improving the surface roughness of workpieces, and thereby improving machining efficiency For the purpose of improving the quality, oil for cutting and grinding is usually used.
このような極微量油剤供給方式切削・研削加工方法において、従来は、加工効率の向上のためには、油性剤や極圧剤等の添加剤が使用されており、特にアルコール、カルボン酸、不飽和カルボン酸の硫化物、ポリオキシアルキレン化合物、エステル、多価アルコールのハイドロカルビルエーテル、アミンなどの油性剤が使用され、組成物全量基準で、通常0.1~15質量%添加して使用されている(例えば、特許文献2を参照。)。 Against this background, cutting while supplying an extremely small amount of oil, which is about 1/100000 to 1/1000000 compared to the amount of oil used in normal cutting and grinding, together with compressed fluid (for example, compressed air) to the workpiece.・ A very small amount of oil supply method for grinding and grinding has been developed. In this system, the cooling effect by compressed air can be obtained, and the amount of waste can be reduced because a very small amount of oil is used, so that the environmental impact caused by the large amount of waste can also be improved ( For example, see Patent Document 1.)
In such a trace amount oil supply method cutting / grinding method, conventionally, additives such as an oily agent and an extreme pressure agent have been used in order to improve processing efficiency. Oily agents such as saturated carboxylic acid sulfides, polyoxyalkylene compounds, esters, polyhydric alcohol hydrocarbyl ethers, and amines are used, and usually 0.1 to 15% by mass based on the total amount of the composition is used. (For example, refer to Patent Document 2).
しかしながら、エステルを主体とした油剤ではその性能に限界があり、生産性の更なる向上のために、より一層の高性能な加工油剤が求められており、その開発が急務となっている。 In recent years, further improvement in performance has been demanded for the oil used in the above-described aluminum processing. For example, in cutting / grinding using a very small amount of oil supply method (MQL method), a good surface workpiece can be obtained even if the amount of oil supply is extremely small, and the wear of tools and the like is low. Therefore, it is desirable that cutting and grinding can be performed efficiently. Therefore, higher performance is required for the cutting and grinding fluid. Conventionally, in processing such as aluminum cutting, esters have been used to reduce friction and wear during processing. Esters are used not only as additives because they have high lubricity and stability, but also as base oils that occupy most of the oils.
However, there is a limit to the performance of oils mainly composed of esters, and there is an urgent need for the development of higher-performance processing oils for further improvement of productivity.
本発明者らは、上記目的を達成すべく鋭意研究を重ねた結果、特定構造のアルコール化合物を特定量含有する油剤組成物を用いることによって上記課題が解決されることを見出し、本発明を完成するに至った。 This invention is made | formed in view of such a situation, and it aims at providing the oil agent composition for aluminum processing suitable for MQL processing which can achieve a high level processing performance.
As a result of intensive studies to achieve the above object, the present inventors have found that the above problems can be solved by using an oil agent composition containing a specific amount of an alcohol compound having a specific structure, and completed the present invention. It came to do.
本発明に係るアルコール化合物は、2種以上混合して使用することもできる。 Among the alcohol compounds according to the present invention, a saturated monohydric alcohol having a branched chain is particularly preferably used from the viewpoint of aluminum processability.
Two or more kinds of the alcohol compounds according to the present invention can be mixed and used.
(a)一価アルコールと一塩基酸とのエステル
(b)二価アルコールと一塩基酸とのエステル
(c)一価アルコールと二塩基酸とのエステル Among the above base oils, monoesters and / or diesters (excluding alicyclic dicarboxylic acid ester compounds) are preferable from the viewpoint of further improving handleability, and esters (a) to (c) shown below are more preferable. (A) and (c) are more preferred.
(A) ester of monohydric alcohol and monobasic acid (b) ester of dihydric alcohol and monobasic acid (c) ester of monohydric alcohol and dibasic acid
[式(3)中、R3及びR5は、各々独立に水素原子又は炭素数1~30の炭化水素基を表し、R4は炭素数2~4のアルキレン基を表し、eは数平均分子量が100~3500となるような整数を表す。] R 3 O— (R 4 O) e —R 5 (3)
[In Formula (3), R 3 and R 5 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, R 4 represents an alkylene group having 2 to 4 carbon atoms, and e is a number average. It represents an integer having a molecular weight of 100 to 3500. ]
[式(4)中、Aは水酸基を3~8個有する多価アルコールの水酸基の水素原子の一部又は全てを取り除いた残基を表し、R6は炭素数2~4のアルキレン基を表し、R7は水素原子又は炭素数1~30の炭化水素基を表し、fは数平均分子量が100~3500となるような整数を表し、gはAの水酸基から取り除かれた水素原子の個数と同じ数を表す。] A-[(R 6 O) f -R 7 ] g (4)
[In the formula (4), A represents a residue obtained by removing part or all of the hydrogen atoms of a hydroxyl group of a polyhydric alcohol having 3 to 8 hydroxyl groups, and R 6 represents an alkylene group having 2 to 4 carbon atoms. , R 7 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, f represents an integer having a number average molecular weight of 100 to 3500, g represents the number of hydrogen atoms removed from the hydroxyl group of A, Represents the same number. ]
R6で表される炭素数2~4のアルキレン基の例としては、上記一般式(3)のR4で表される炭素数2~4のアルキレン基の例と同じものを挙げることができる。またR7で表される炭素数1~30の炭化水素基の例としては、前記一般式(1)のR1で表される炭素数1~30の炭化水素基の例と同じものを挙げることができ、また好ましいものの例も同じである。g個のR7のうち少なくとも一つが水素原子であることが好ましく、全て水素原子であることが更に好ましい。fは、好ましくは数平均分子量が300~2000となるような整数であり、更に好ましくは数平均分子量が500~1500となるような整数である。 In the general formula (4), specific examples of the polyhydric alcohol having 3 to 8 hydroxyl groups constituting A are the same as those of the alcohol compound according to the present invention.
Examples of the alkylene group having 2 to 4 carbon atoms represented by R 6 include the same examples as the alkylene group having 2 to 4 carbon atoms represented by R 4 in the general formula (3). . Examples of the hydrocarbon group having 1 to 30 carbon atoms represented by R 7 are the same as those of the hydrocarbon group having 1 to 30 carbon atoms represented by R 1 in the general formula (1). Examples of preferred ones are the same. At least one of g R 7 is preferably a hydrogen atom, more preferably all hydrogen atoms. f is preferably an integer having a number average molecular weight of 300 to 2,000, and more preferably an integer having a number average molecular weight of 500 to 1,500.
好ましい多価アルコールは、エチレングリコール、プロピレングリコール、ネオペンチルグリコール、グリセリン、トリメチロールエタン、トリメチロールプロパン、ペンタエリスリトール、ソルビタン、及びこれらの混合物等が挙げられる。これらの中でも、加工効率及び工具寿命の向上の点から、グリセリンが最も好ましい。 (G) The polyhydric alcohol constituting the hydrocarbyl ether of the polyhydric alcohol is usually 2 to 8 valent, preferably 2 to 6 valent. Specific examples of the polyhydric alcohol having 3 to 8 hydroxyl groups are the same as those of the alcohol compound according to the present invention. These polyhydric alcohols may be used alone or in combination of two or more.
Preferred polyhydric alcohols include ethylene glycol, propylene glycol, neopentyl glycol, glycerin, trimethylol ethane, trimethylol propane, pentaerythritol, sorbitan, and mixtures thereof. Among these, glycerin is most preferable from the viewpoint of improving the processing efficiency and the tool life.
R8-Sh-R9 (5)
[式(5)中、R8及びR9は同一でも異なっていてもよく、それぞれ炭素数3~20の直鎖状又は分枝状のアルキル基、炭素数6~20のアリール基、炭素数7~20のアルキルアリール基あるいは炭素数7~20のアリールアルキル基を表し、hは2~6、好ましくは2~5の整数を表す。] The dihydrocarbyl polysulfide is a sulfur compound generally called polysulfide or sulfurized olefin, and specifically means a compound represented by the following general formula (5).
R 8 -S h -R 9 (5)
[In the formula (5), R 8 and R 9 may be the same or different and each represents a linear or branched alkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, Represents an alkylaryl group having 7 to 20 carbon atoms or an arylalkyl group having 7 to 20 carbon atoms, and h represents an integer of 2 to 6, preferably 2 to 5. ]
以下に示す基油a~c、アルコールA~C及び添加剤A~Eを用いて、試料油1~試料油14のアルミニウム加工用油剤組成物を調製した。 [Examples 1 to 9, Comparative Examples 1 to 6]
Using the following base oils a to c, alcohols A to C, and additives A to E, oil composition for aluminum processing of sample oil 1 to sample oil 14 was prepared.
基油a:鉱油(40℃における動粘度32mm2/s)
基油b:トリメチロールプロパンのトリオレート
基油c:ポリα-オレフィン(40℃における動粘度30mm2/s)
(2)アルコール
アルコールA:分岐鎖状トリデカノール
アルコールB:1,8-オクタンジオール
アルコールC:ネオペンチルグリコールモノオレート
(3)添加剤
添加剤A:トリクレジルホスフェート
添加剤B:硫化エステル
添加剤C:グリセリンモノオレート
添加剤D:ステアリン酸ブチル
添加剤E:オレイン酸
(4)試料油
試料油1:基油a(75質量%)、アルコールA(25質量%)
試料油2:基油b(75質量%)、アルコールA(25質量%)
試料油3:基油a(73質量%)、アルコールA(25質量%)、添加剤A(1質量%)、添加剤B(1質量%)
試料油4:基油a(75質量%)、アルコールB(25質量%)
試料油5:基油a(75質量%)、アルコールC(25質量%)
試料油6:基油b(20質量%)、アルコールA(80質量%)
試料油7:基油b(2質量%)、アルコールA(98質量%)
試料油8:基油c(75質量%)、アルコールA(25質量%)
試料油9:基油a(84質量%)、アルコールA(16質量%)
試料油10:基油a(90質量%)、アルコールA(10質量%)
試料油11:基油a(75質量%)、添加剤C(25質量%)
試料油12:基油a(73質量%)、添加剤D(25質量%)、添加剤A(1質量%)、添加剤B(1質量%)
試料油13:基油a(2質量%)、添加剤D(98質量%)
試料油14:基油a(75質量%)、添加剤E(25質量%) (1) Base oil Base oil a: Mineral oil (kinematic viscosity at 40 ° C. 32 mm 2 / s)
Base oil b: Trimethylolpropane trioleate Base oil c: Poly α-olefin (kinematic viscosity at 40 ° C. 30 mm 2 / s)
(2) Alcohol Alcohol A: Branched tridecanol Alcohol B: 1,8-octanediol Alcohol C: Neopentyl glycol monooleate (3) Additive Additive A: Tricresyl phosphate Additive B: Sulfurized ester Additive C : Glycerol monooleate Additive D: Butyl stearate Additive E: Oleic acid (4) Sample oil Sample oil 1: Base oil a (75 mass%), Alcohol A (25 mass%)
Sample oil 2: base oil b (75% by mass), alcohol A (25% by mass)
Sample oil 3: base oil a (73 mass%), alcohol A (25 mass%), additive A (1 mass%), additive B (1 mass%)
Sample oil 4: base oil a (75% by mass), alcohol B (25% by mass)
Sample oil 5: base oil a (75% by mass), alcohol C (25% by mass)
Sample oil 6: base oil b (20% by mass), alcohol A (80% by mass)
Sample oil 7: base oil b (2% by mass), alcohol A (98% by mass)
Sample oil 8: base oil c (75% by mass), alcohol A (25% by mass)
Sample oil 9: base oil a (84% by mass), alcohol A (16% by mass)
Sample oil 10: base oil a (90% by mass), alcohol A (10% by mass)
Sample oil 11: base oil a (75% by mass), additive C (25% by mass)
Sample oil 12: base oil a (73% by mass), additive D (25% by mass), additive A (1% by mass), additive B (1% by mass)
Sample oil 13: base oil a (2% by mass), additive D (98% by mass)
Sample oil 14: base oil a (75% by mass), additive E (25% by mass)
実施例1~9及び比較例1~5のアルミニウム加工用油剤組成物について、ジイソデシルアジペートを比較標準油として、加工性能を評価した。具体的には、実施例1~9又は比較例1~5の油剤組成物と、ジイソデシルアジペートとを交互に用いて、以下に示す条件でタッピング試験を行った。なお、比較例6は油剤を使用せずに圧縮空気のみを吹き付けて同様のタッピング試験を行った。 (Tapping test)
The processing performance of the aluminum processing oil compositions of Examples 1 to 9 and Comparative Examples 1 to 5 was evaluated using diisodecyl adipate as a comparative standard oil. Specifically, a tapping test was conducted under the following conditions using the oil agent compositions of Examples 1 to 9 or Comparative Examples 1 to 5 and diisodecyl adipate alternately. In Comparative Example 6, a similar tapping test was performed by spraying only compressed air without using an oil agent.
・工具径:8mm
・タップピッチ:1.25mm
・タップすくい角:1.5度
・タップ食いつき角:10度
・タップ下穴径:7.4mm
・回転数:360rpm
・標準油:DIDA(アジピン酸ジイソデシル)
・供給方法:TACO社MQ4にて加工点に噴射。
・油剤供給量:15ml/時
・搬送空気圧:0.45MPa -Work material: AC8A
・ Tool diameter: 8mm
・ Tap pitch: 1.25mm
-Tap rake angle: 1.5 degrees-Tap bite angle: 10 degrees-Tap pilot hole diameter: 7.4 mm
・ Rotation speed: 360rpm
Standard oil: DIDA (diisodecyl adipate)
-Supply method: TACO Co., Ltd. MQ4 sprayed to the processing point.
・ Oil agent supply amount: 15 ml / hour
・ Conveying air pressure: 0.45 MPa
タッピングエネルギー効率(%)=(比較標準油を用いた場合のタッピングエネルギー)/(油剤組成物を用いた場合のタッピングエネルギー)
得られた結果を表1に示す。表中、タッピングエネルギー効率の値が高い程、潤滑性が高いことを意味する。 The tapping energy in the above test was measured, and the tapping energy efficiency (%) was calculated using the following formula.
Tapping energy efficiency (%) = (tapping energy when using comparative standard oil) / (tapping energy when using oil composition)
The obtained results are shown in Table 1. In the table, the higher the value of tapping energy efficiency, the higher the lubricity.
工具摩耗に対する性能を評価するため、実施例1~9及び比較例1~5のアルミニウム加工用油剤組成物について、下記の条件にて10穴、および150穴加工後の標準油に対するタッピングエネルギー効率を測定し、10穴に対する150穴後の値の低下率を求めた。加工数に伴うタッピングエネルギー効率の低下度合いを工具摩耗によるものと判断した。なお、10穴ごとに工具に付着したアルミニウムを10%水酸化ナトリウム溶液で除去し試験を行った。
・被削材:AC8A
・工具径:8mm
・タップピッチ:1.25mm
・タップすくい角:1.5度
・タップ食いつき角:10度
・タップ下穴径:7.4mm
・回転数:360rpm
・加工数:10、150穴
・標準油:DIDA(アジピン酸ジイソデシル)
・供給方法:搬送空気を用いることなく加工点に噴射(DIDA)。TACO社MQ4にて搬送空気とともに加工点に噴射(試料油)。
・油剤供給量:4.0ml/分(DIDA)、15ml/時(試料油)
・搬送空気圧:0.4MPa (Abrasion resistance evaluation test)
In order to evaluate the performance against tool wear, the tapping energy efficiency with respect to the standard oil after machining 10 holes and 150 holes under the following conditions for the aluminum processing oil compositions of Examples 1 to 9 and Comparative Examples 1 to 5 Measurements were made to determine the rate of decrease of the value after 150 holes with respect to 10 holes. The degree of decrease in tapping energy efficiency with the number of machining was judged to be due to tool wear. In addition, the test was performed by removing aluminum adhering to the tool every 10 holes with a 10% sodium hydroxide solution.
-Work material: AC8A
・ Tool diameter: 8mm
・ Tap pitch: 1.25mm
-Tap rake angle: 1.5 degrees-Tap bite angle: 10 degrees-Tap pilot hole diameter: 7.4 mm
・ Rotation speed: 360rpm
・ Number of processing: 10, 150 holes ・ Standard oil: DIDA (diisodecyl adipate)
-Supply method: Injection to a processing point (DIDA) without using carrier air. Injected into the processing point along with carrier air (sample oil) at TACO MQ4.
Oil supply amount: 4.0 ml / min (DIDA), 15 ml / hour (sample oil)
・ Conveying air pressure: 0.4 MPa
JIS H 4000に規定するアルミニウム板A-1050(60mm×80mm×1.2mm)を2枚用意し、1枚に0.1gの油剤を滴下し、もう1枚のアルミニウム板で油剤を挟み込む。上から100gの荷重を掛け、50℃、湿度95%の条件で100時間静置する。その後油剤を挟み込んだ面を観察し変色の有無を確認した。
同様の評価をJIS G 3141に規定する冷間圧延鋼板SPCCのパネル(60mm×80mm×1.2mm)を用いて実施した。 (Discoloration evaluation test)
Two aluminum plates A-1050 (60 mm × 80 mm × 1.2 mm) specified in JIS H 4000 are prepared, 0.1 g of oil agent is dropped on one sheet, and the oil agent is sandwiched between the other aluminum plates. A load of 100 g is applied from above, and the mixture is allowed to stand for 100 hours at 50 ° C. and 95% humidity. Thereafter, the surface sandwiching the oil was observed to confirm the presence or absence of discoloration.
The same evaluation was performed using a cold rolled steel plate SPCC panel (60 mm × 80 mm × 1.2 mm) defined in JIS G 3141.
また、本発明のアルミニウム加工用油剤組成物は、軸受部分、油圧機器、ギヤ部分の潤滑油剤としても使用することが可能であり、これらの各部位における潤滑油剤を一つの油剤を兼用油として用いることができる。
The aluminum processing oil composition of the present invention can be suitably used for aluminum processing such as cutting, grinding, rolling, forging, pressing, drawing, and rolling. Among these uses, it is very useful as an oil used for cutting, grinding, or rolling. The supply method to the processing part of the aluminum processing oil composition of the present invention is a trace amount oil supply type, and the aluminum processing oil composition of the present invention is particularly suitable as a trace amount oil supply type cutting and grinding oil. It is.
The aluminum processing oil composition of the present invention can also be used as a lubricating oil for bearing parts, hydraulic equipment, and gear parts, and the lubricating oil in each of these parts is used as a common oil. be able to.
Claims (2)
- 水酸基を1~8個有し炭素数が2~27のアルコール化合物を組成物全量基準で16質量%以上100質量%以下含有することを特徴とする極微量油剤供給式アルミニウム加工用油剤組成物。 An oil composition for processing aluminum with an extremely small amount of oil containing an alcohol compound having 1 to 8 hydroxyl groups and having 2 to 27 carbon atoms based on the total amount of the composition.
- アルコール化合物が、炭素数3~18の直鎖状または分枝状のアルコール、または炭素数5~10のシクロアルキルアルコールまたはアルキルシクロアルキルアルコールであることを特徴とする請求項1に記載の極微量油剤供給式アルミニウム加工用油剤組成物。 2. The trace amount according to claim 1, wherein the alcohol compound is a linear or branched alcohol having 3 to 18 carbon atoms, or a cycloalkyl alcohol or alkylcycloalkyl alcohol having 5 to 10 carbon atoms. Oil supply type oil processing composition for aluminum processing.
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CN200980156539.3A CN102317416B (en) | 2009-02-10 | 2009-12-24 | Oil composition for aluminum working with minimal quantity lubrication |
EP09839978A EP2397535A4 (en) | 2009-02-10 | 2009-12-24 | Oil composition for aluminum working with minimal quantity lubrication |
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CN107109282A (en) * | 2014-08-28 | 2017-08-29 | 路博润公司 | Lubricating composition with seal compatibility |
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JP5645112B2 (en) * | 2010-09-09 | 2014-12-24 | 神奈川県 | Mist processing lubricant and mist processing method |
CN103627504B (en) * | 2013-11-06 | 2015-04-15 | 广东欧派斯润滑科技有限公司 | Special punching shear liquid for AP NK-W environment-friendly air conditioner aluminum foil and preparation method thereof |
CN104789305A (en) * | 2014-01-17 | 2015-07-22 | 吉坤日矿日石能源株式会社 | Metal processing oil composition |
DE202014010514U1 (en) * | 2014-09-09 | 2015-11-06 | Audi Ag | Lubricant for minimum quantity lubrication in a dry-cutting machine tool |
US20180237712A1 (en) * | 2015-08-13 | 2018-08-23 | Fuchs Petrolub Se | Composition for Minimum Quantity Lubrication, and Use of Same |
DE202015005833U1 (en) | 2015-08-13 | 2015-11-18 | Fuchs Petrolub Se | Composition for minimal quantity lubrication and its use |
PL3130653T3 (en) | 2015-08-13 | 2019-05-31 | Fuchs Petrolub Se | Composition for minimal lubrication and its use |
US20170101599A1 (en) * | 2015-10-08 | 2017-04-13 | Clover Technologies Group, Llc | Lubrication compositions |
EP3315587A1 (en) * | 2016-10-27 | 2018-05-02 | Total Marketing Services | Use of biodegradable hydrocarbon fluids for aluminium cold-rolling |
JP7082918B2 (en) * | 2018-07-26 | 2022-06-09 | Eneos株式会社 | Cutting fluid composition |
CN114317083B (en) * | 2021-12-31 | 2022-09-13 | 上海恩坤工业技术有限公司 | Lubricating composition, preparation method and lubricating method |
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