CN104136591A - Lubricating oil composition for metal working - Google Patents

Lubricating oil composition for metal working Download PDF

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Publication number
CN104136591A
CN104136591A CN201380011049.0A CN201380011049A CN104136591A CN 104136591 A CN104136591 A CN 104136591A CN 201380011049 A CN201380011049 A CN 201380011049A CN 104136591 A CN104136591 A CN 104136591A
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Prior art keywords
lubricating oil
oil composition
metal
metal processing
processing
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饭塚真也
谷野顺英
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Idemitsu Kosan Co Ltd
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Idemitsu Kosan Co Ltd
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Priority to CN201710928916.7A priority Critical patent/CN107674741A/en
Publication of CN104136591A publication Critical patent/CN104136591A/en
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/68Esters
    • C10M129/78Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids, hydroxy carboxylic acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00Cooling, heating or lubricating drawing material
    • B21C9/005Cold application of the lubricant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/18Lubricating, e.g. lubricating tool and workpiece simultaneously
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/16Ethers
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26Carboxylic acids; Salts thereof
    • C10M129/28Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating 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
    • C10M169/04Mixtures of base-materials and additives
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/02Specified values of viscosity or viscosity index
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    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/003Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions used as base material
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102Aliphatic fractions
    • C10M2203/1025Aliphatic fractions used as base material
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/021Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/046Hydroxy ethers
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix 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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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126Carboxylix 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 monocarboxylic
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/283Esters of polyhydroxy compounds
    • CCHEMISTRY; METALLURGY
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/287Partial esters
    • C10M2207/289Partial esters containing free hydroxy groups
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/30Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01Physico-chemical properties
    • C10N2020/02Viscosity; Viscosity index
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02Pour-point; Viscosity index
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/20Metal working
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    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/20Metal working
    • C10N2040/244Metal working of specific metals
    • C10N2040/245Soft metals, e.g. aluminum

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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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)

Abstract

The present invention provides a lubricating oil composition for metal working, which is characterized by containing 1 or more selected from mineral oil and synthetic oil, and having a kinematic viscosity at 40 ℃ of 50-300 mm2A base oil per s, and a base oil of the general formula [ in the formula , R is1Represents alkyl, alkenyl or aralkyl, R2And R3Each independently represents a hydrogen atom or a methyl group, A1O and A2O independently represents an oxyalkylene group, n is 0, 1 or 2, p and q are average addition mole numbers, and p + q represents a number of 0 to 5.]The glycerol derivative is 0.01-10% by mass, and the lubricating oil composition for metal processing, which is excellent in the processability of metal or alloy thereof, particularly excellent in the processability in deep drawing of nonferrous metal such as aluminum or aluminum alloy, and which can suppress the generation of metal abrasion powder or surface damage to obtain a product excellent in surface quality, can be provided by using the lubricating oil composition for metal processing.

Description

Metal processing lubricating oil composition
Technical field
The present invention relates to metal processing lubricating oil composition, specifically, excellent in workability while relating to the plastic working such as deep-draw processing, punching processing, drawing processing, Cold Forging of the non-ferrous metal such as metal or its alloy, particularly aluminum or aluminum alloy, the generation that can suppress metal abrasion powder, the while can obtain the metal processing lubricating oil composition of the goods that have excellent surface quality.
Background technology
The viewpoint improving from productivity, for the metals such as pull and stretch processing that carry out the non-ferrous metal such as metal or its alloy, particularly aluminum or aluminum alloy, add the metal processing lubricating oil composition using man-hour, as substantially due performance, require the metal excellent in workability such as pull and stretch processing characteristics.Meanwhile, require the quality of the metallic surface after processing good, for example, require the non-cohesive abrasion composition in processed goods surface, and do not produce damage.
In the past, the metal processing of using in the pull and stretch processing of the non-ferrous metal such as aluminum or aluminum alloy, deep-draw processing with lubricating oil use gradually mineral oil, synthetic be the lubricating oil (for example,, with reference to patent documentation 1~3) that has coordinated the oiliness improvers such as alcohols, fatty acid ester, lipid acid in hydrocarbon ils.
In patent documentation 1, disclose the lubricating oil composition for aluminium alloy plate (claim 1) that the polymkeric substance that contains the 1-alkene with particular carbon atomicity is poly-alpha olefins and polyol esters of fatty acids, also remembered and carrying out deep-draw shaping (paragraph (0052) etc.).
The aluminium alloy plate that discloses the monoesters that contains particular carbon atomicity and oxo alcohol in patent documentation 2 is with lubricating oil composition and used its method for press forming (claim 1,6).In addition, in press forming experiment, carry out cup drawing experiment (paragraph (0067) etc.).
The aluminum compound processing lubricating oil composition (claim 1) of the alkylol cpd that has 1~8 hydroxyl and contain carbonatoms 2~27 is disclosed in patent documentation 3, as concrete working method, shown the effect (paragraph (0096)~(0102)) in tapping test (タ ッ ピ ソ グ Try test).
Yet, in recent years, in the metal processing of metal or its alloy, for can for Products Design with excellent dimensions precision process and improve productivity, seek can High-speed machining processibility.
And then, the lightweight of metal products, high strength, miniaturization thin-walled property and compared in the past increase, it is strict that consequent processing conditions becomes, and the generation that adds the metal abrasion powder producing man-hour increases.If the generation of abrasion powder increases, it is mixed between instrument and machined material, and the dimensional precision of goods is reduced, and further effects on surface quality is brought detrimentally affect.
For example, when the shell of processing rectangular lithium ion battery, first, need to use the rectangular square drift in cross section to carry out deep drawing to aluminium, aluminium alloy plate, according to bottom, divide the mode that becomes right angle with respect to side to process.This processing needs higher processing characteristics.And in this processing, need to cross over longer distance and carry out aforementioned processing.Therefore, abrasion quantitative change is many, adheres to abrasion powder on processed goods, and surface damage also increases.
Due under this situation, so metal processing requires than current the metal higher processibility of lubricating oil composition, wear resistant for processing with lubricating oil composition.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2008-274256 communique
Patent documentation 2: TOHKEMY 2007-211100 communique
Patent documentation 3: TOHKEMY 2010-184970 communique
Summary of the invention
The problem that invention will solve
The present invention carries out in view of this Zhong Zhuan Condition, its object is to provide the metal processing lubricating oil composition of the excellent in workability of a kind of metal or its alloy, and the metal processing lubricating oil composition of the goods that obtain having excellent surface quality at the excellent in workability that the non-ferrous metal deep-draws such as aluminium, aluminium alloy is added to man-hour, the generation that can suppress metal abrasion powder simultaneously or surface damage is particularly provided.
For the method for dealing with problems
The inventor etc. are in order to develop the metal processing lubricating oil composition with aforementioned preferred property, repeatedly conduct in-depth research, found that, by using, in the base oil with specific proterties, composition, with specific ratio, coordinate the lubricating oil composition of the glycerol derivative with ad hoc structure, thereby can reach this object.The present invention completes based on described opinion.
That is, the invention provides as follows:
(1) a metal processing lubricating oil composition, is characterized in that, containing be selected from mineral oil and synthetic oil a kind kinematic viscosity above and 40 ℃ time is 50~300mm 2the base oil of/s, and in total composition benchmark, (A) with represented glycerol derivative 0.01~10 quality % of general formula (I),
[in formula (I), R 1represent alkyl, thiazolinyl or aralkyl, R 2and R 3represent independently respectively hydrogen atom or methyl, A 1o and A 2o represents respectively oxyalkylene group independently, n represent 0,1 or 2, p, q be respectively average addition mole number, p+q represents 0~5 number.],
(2), according to the metal processing lubricating oil composition above-mentioned (1) Suo Shu, wherein, the kinematic viscosity in the time of 40 ℃ is 80~260mm 2/ s,
(3) according to the metal processing lubricating oil composition above-mentioned (1) or (2) Suo Shu, wherein, the kinematic viscosity in the time of 40 ℃ is 120~200mm 2/ s,
(4) according to the metal processing lubricating oil composition described in any one in above-mentioned (1)~(3), wherein, the %C of base oil pbe 65~85,
(5) according to the metal processing lubricating oil composition described in any one in above-mentioned (1)~(4), wherein, in aforementioned glycerol derivative, the R in general formula (I) 1for the alkyl or alkenyl of carbonatoms 12~24, R 2and R 3be respectively hydrogen atom, n is 1, p=0, q=0,
(6) according to the metal processing lubricating oil composition described in any one in above-mentioned (1)~(5), it further contains oiliness improver 0.1~15 quality %,
(7), according to the metal processing lubricating oil composition described in any one in above-mentioned (1)~(6), wherein, metal is processed as the deep-draw processing of aluminum or aluminum alloy materials,
(8) a deep-draw working method, the metal processing lubricating oil composition in its use above-mentioned (1)~(7) described in any one, carries out deep-draw processing to aluminum or aluminum alloy materials at pull and stretch under than more than 1.5 conditions.
The effect of invention
According to the present invention, the metal processing lubricating oil composition of the excellent in workability of a kind of metal or its alloy can be provided, particularly the non-ferrous metal such as aluminium are carried out to the excellent in workability that deep-draw adds man-hour, generation or the surface damage that can suppress metal abrasion powder simultaneously also obtain the metal processing lubricating oil composition of the goods that have excellent surface quality.
Embodiment
Metal processing lubricating oil composition of the present invention (following, sometimes referred to as lubricating oil composition.) for containing be selected from mineral oil and synthetic oil a kind kinematic viscosity above and 40 ℃ time, be 50~300mm 2the base oil of/s, and there is the lubricating oil composition of the glycerol derivative of ad hoc structure.
(base oil)
In lubricating oil composition of the present invention, the kinematic viscosity while using 40 ℃ is 50~300mm 2the base oil of/s.
If the deficiency of the kinematic viscosity in the time of 40 ℃ 50mm 2/ s, in deep-draw processing, processed dose with mould, drift between the thickness of lubricant film become insufficient, so cannot obtain necessary processibility.On the other hand, the kinematic viscosity in the time of 40 ℃ is higher, and the thickness of lubricant film increases, and can improve processing characteristics, if but surpass 300mm 2, there is the tendency that effect is saturated or reduce in/s, processes the difficulty that becomes, therefore not preferred.Thus, the preferred 60mm of kinematic viscosity 40 of base oil ℃ time 2more than/s, more preferably 80mm 2more than/s, 120mm particularly preferably 2more than/s.Kinematic viscosity during along with 40 ℃ of base oil becomes 60mm 2/ s is above, 80mm 2/ s is above, 120mm 2more than/s, processing characteristics also uprises.
Kinematic viscosity while on the other hand, requiring 40 ℃ is 300mm 2below/s, more preferably 280mm 2below/s, further preferred 260mm 2below/s, 200mm particularly preferably 2below/s.
As the base oil using in the present invention, the %C preferably measuring with n-d-M method abe below 5, while %C pbe more than 65 85 following persons.If %C pbe more than 65, can there is desired viscosity index, if %C pbe below 85, do not make other base oil, the solvability of additive reduce, there is the effect that obtains uniform and stable composition.
%C amore preferably below 3, particularly below 1.%C pmore elect more than 70 80 following persons as.
In addition, due to the %C of base oil nfor %C aand %C premainder, therefore preferred more than 10 scope below 35.
In addition, the viscosity index of base oil of the present invention be preferably more than 70, more preferably more than 90, be particularly preferably more than 100.It is little that this viscosity index is that the viscosity that causes based on temperature variation of more than 70 base oils changes, and can in wide temperature range, bring into play lubricating property.
Base oil in the present invention use be selected from meet in the mineral oil of aforementioned proterties, composition and synthetic oil more than a kind.
Wherein, as mineral oil, can exemplify out various materials.For example,, by paraffin base system crude oil, middle base system crude oil or cycloalkanes base system crude oil atmospheric distillation or distilled oil that the residual oil underpressure distillation of air distillation is obtained.Can also list treated oil distilled oil is refining according to ordinary method and that obtain, for example solvent-refined oil, hydrofinishing oil, hydrocracking is oily, dewaxing treatment is oily, clay treatment wet goods.In addition, can also use the hydrogenation isomerization oil of waxy stone.
As synthetic oil, (for example for example can use the poly-alpha-olefin, olefin copolymer of carbonatoms 8~14, ethylene-propylene copolymer etc.), or the branched-chain alkene such as polybutene, polypropylene or their hydride, and then also have the ester based compounds such as polyol ester (fatty acid ester of TriMethylolPropane(TMP), the fatty acid ester of tetramethylolmethane etc.), alkylbenzene etc.
In lubricating oil composition of the present invention, as base oil, can use a kind of mineral oil, also can combine two or more and use, can use in addition a kind of aforementioned synthetic oil, also can combine two or more use.And then, a kind of above mineral oil and a kind of above synthetic oil can also be used in combination.
In lubricating oil composition of the present invention, as additive, can use general formula (I)
Represented glycerol derivative (following, to be called " (A) composition ").
Be somebody's turn to do the effect of the glycerol derivative performance raising processibility of (A) composition, the generation of inhibition abrasion powder etc.
In general formula (I), R 1represent alkyl, thiazolinyl or aralkyl.R 2and R 3represent independently respectively hydrogen atom or methyl.A 1o and A 2o represents respectively oxyalkylene group independently.N represent 0,1 or 2, p+q be average addition mole number, represent 0~5 number.
As R 1in alkyl and thiazolinyl, preferably carbonatoms 12~18, can also be any one in straight chain shape, a chain, ring-type in addition.For example can list various dodecyls, tridecyl, tetradecyl, pentadecyl, hexadecyl, octadecyl, various laurylene bases, tridecylene base, tetradecene base, ten pentaene bases, hexadecylene base, octadecylene base etc.
As R 1in aralkyl, such as listing benzyl, styroyl, hydrocinnamyl, methylbenzyl, toluene ethyl, dimethylbenzene methyl, dimethylbenzene ethyl etc.
As R 1, from the viewpoint of aforementioned effect, the particularly preferably alkyl of carbonatoms 12~18 and thiazolinyl.
R 2and R 3represent respectively hydrogen atom or methyl, in the present invention, from the viewpoint of aforementioned effect, preferably both are hydrogen atom.In addition, n is 0,1 or 2, and in the present invention, from the viewpoint of aforementioned effect, n is preferably 0 or 1.
R 2and R 3for hydrogen atom, n is 0 o'clock, and the raw material as the represented glycerol derivative of general formula (I), can be used glycerine, and n is 1 o'clock, as this raw material, can use two glycerine, and n is 2 o'clock, as this raw material, can use triglycerin.In the present invention, n is that 0 or 1 glycerine or two glycerine are preferred.
A 1o and A 2o represents respectively oxyalkylene group, as this oxyalkylene group, and from the viewpoint of acquired and aforementioned effect, preferred oxyethylene group and oxypropylene group.By the hydroxyl addition oxirane to glycerine, two glycerine, triglycerin, thereby can form aforesaid A 1o, A 2o.As oxirane, from the viewpoint of aforementioned effect etc., particularly preferably oxyethane.In addition, this oxirane can be used a kind, also can combine two or more use.That is, A 1o and A 2o can be identical, also can be different, and A 1o and A 2o has respectively when a plurality of, a plurality of A 1o can be the same or different, a plurality of A 2o also can be identical or different.
P, q are respectively the average addition mole number of oxirane, in the present invention, and the number of the scope that p+q is 0~5.If this average addition mole number surpasses 5, the solvability of base oil is reduced, sometimes cannot give full play to the effect as (A) composition.P+q is preferably 0, that is, from the viewpoint of aforementioned effect, the glycerol derivative of addition oxirane is not preferred.
In lubricating oil composition of the present invention, as the glycerol derivative of (A) composition, preferably use monoalkyl or the mono alkenyl ether of the represented list of general formula (I-a) or two glycerine.
[in formula (I-a), R 1athe alkyl or alkenyl that represents carbonatoms 12~18, m represents 0 or 1.]
As the represented glycerine monoalkyl of general formula (I-a) or mono alkenyl ether, such as listing the various glycerine monododecyl ethers such as glycerine list lauryl ether, the various glycerine list myristyl ethers such as glycerine list myristyl ether, the various glycerine list cetyl ethers such as glycerine list palmityl ether, the various glycerine list octadecyl ethers such as glycerine list stearyl ether, the various glycerine list octadecylene base ether such as glycerine list oleyl ether and their glycerine is substituted by compound of two glycerine etc.
Among these, particularly preferably use monoalkyl or the mono alkenyl ether of two glycerine that in general formula (I-a), m is 1.
The list that general formula (I-a) is represented or the monoalkyl of two glycerine or mono alkenyl ether can be manufactured by known method in the past.
In lubricating oil composition of the present invention, as the glycerol derivative of (A) composition, can use separately a kind, also can combine two or more use.In addition, its content can be selected in total composition benchmark in the scope of 0.01~10 quality %.If should cannot give full play to aforementioned effect containing quantity not sufficient 0.01 quality %, cannot reach object of the present invention.On the other hand, if surpass 10 quality %,, to the solvability of base oil (homogeneity) variation, likely processibility, surface quality also reduce.Content that should (A) composition is 0.05~8 quality %, more preferably 0.1~5 quality % preferably.
In lubricating oil composition of the present invention, further preferably as (B) composition, contain oiliness improver.Oiliness improver as using with this (B) composition, is not particularly limited, can be in metalworking fluid in the past as oiliness improver suitable choice for use in conventional material.As this oiliness improver, such as listing alcohols, fatty acid and fatty acid ester etc.
As alcohols, preferably can list the saturated or unsaturated alcohol of the monobasic aliphatics of carbonatoms 8~18.This alcohol can be straight chain shape, also can have side chain.As its concrete example, can list straight chain shape or there is the alcohol of side chain, be i.e. octanol, decyl alcohol, dodecanol, tetradecanol, cetyl alcohol, Stearyl alcohol, octenol, decenol, lanolin alcohol, tetradecene alcohol, hexadecylene alcohol, octadecenyl alcohol etc.
In addition, as fatty acid, such as listing the senior saturated or unsaturated fatty acidss such as palmitinic acid, stearic acid, Unimac 5680, oxystearic acid, dimeracid, oleic acid, eicosanoic acid.
And then, as fatty acid ester, can list the ester being formed by the aliphatic carboxylic acid of carbonatoms 6~22 and the fatty alcohol of carbonatoms 1~18.Here, the aliphatic carboxylic acid of carbonatoms 6~22 can be for monoprotic acid, also can be polyprotonic acid more than diprotic acid, in addition, can for saturated, undersaturated any one.And then, can be straight chain shape person, can be also the person that has side chain.Example as this aliphatic carboxylic acid, can list straight chain shape or there is side chain, octanesulfonic acid, capric acid, dodecylic acid, tetradecanoic acid, hexadecanoic acid, octadecanoic acid, hydroxyl octadecanoic acid, eicosanoic acid, octylenic acid, decylenic acid, lauroleic acid, tetradecenoic acid, gaidic acid, octadecenic acid, hydroxyl octadecenic acid, eicosenoic acid, suberic acid, sebacic acid, dodecanedioic acid, tetradecane diacid, Thapsic acid, octadecane diacid, octadecane dicarboxylic acid, octene diacid, octene dicarboxylic acid, laurylene diacid, tetradecene diacid, hexadecylene diacid, octadecene diacid, octadecene dicarboxylic acid etc.
In addition, the fatty alcohol of carbonatoms 1~18 can be monohydroxy-alcohol, can be also polyvalent alcohol, in addition, can for saturated, undersaturated any one.And then, can be straight chain shape person, also can, for side chain shape person, conventionally can use monohydroxy-alcohol.As the example of this alcohol, can list methyl alcohol, ethanol, vinyl carbinol or straight chain shape or have side chain, propyl alcohol, butanols, amylalcohol, hexanol, octanol, decyl alcohol, dodecanol, tetradecanol, cetyl alcohol, Stearyl alcohol, butenol, pentenol, hexenol, octenol, decenol, lanolin alcohol, tetradecene alcohol, hexadecylene alcohol, octadecenyl alcohol etc.In these, preferred carbonatoms 6~18, more preferably 8~18.
In lubricating oil composition of the present invention, as the oiliness improver of this (B) composition, can use separately a kind, also can combine two or more use.In addition, its content is preferably selected in the scope of 0.1~15 quality % in lubricating oil composition total amount benchmark.As long as this content is in above-mentioned scope, can with the glycerol derivative acting in conjunction of aforementioned (A) composition, bring into play desired effect.Preferred content is 0.5~10 quality %, more preferably 1~8 quality %.
In lubricating oil composition of the present invention, in not damaging the scope of object of the present invention, according to expectation, can also suitably contain various additives, such as extreme pressure agent, anti-abrasion agent, antioxidant, inhibitor, anticorrosive agent, defoamer, viscosity index improving agent, antistatic agent etc.
As extreme pressure agent, such as listing the chalcogenide compounds such as olefine sulfide, dialkyl polysulfide, two aralkyl polysulfides, diaryl polysulfide, the phosphorus series compounds such as phosphoric acid ester, thiophosphatephosphorothioate, phosphorous acid ester, alkylphosphonic acid carboxylic acid hydrogen (alkyl hydrogen phosphite), phosphate amine salt, phosphorous acid ester amine salt etc., as anti-abrasion agent, such as listing zinc dithiophosphate (ZnDTP), zinc dithiocarbamate (ZnDTC), sulfuration oxygen base molybdenum dithiophosphate (MoDTP), sulfuration oxygen base molybdenum dithiocarbamate (MoDTC) etc.
As antioxidant, such as listing the amine systems such as alkylation diphenylamine, phenyl-a-naphthylamine, alkylation-alpha-naphthylamine, 2, the phenol systems such as 6-ditertbutylparacresol, and 2,6-di-t-butyl-4-[4, two (octylsulfo)-1 of 6-, 3,5-triazine-2-base is amino] the sulphur system such as phenol, dilauryl thiodipropionate etc.
As inhibitor, anticorrosive agent, such as can list sorbitol ester, neutral basic metal or alkaline earth metal sulfonate, basic metal or alkaline-earth metal phenates, basic metal or alkaline-earth metal salicylate, thiadiazoles, benzotriazole etc., as defoamer, such as listing dimethyl polysiloxane, fluoroether etc.
As viscosity index improving agent, for example, can list polymethacrylate, decentralized polymethacrylate, olefin copolymer (for example, ethylene-propylene copolymer etc.) etc.
As antistatic agent, preferably can list as nonmetal be the part ester etc. of the sulfonamide derivatives, succinic acid derivative of antistatic agent, poly-(alkylidene oxide) glycol or polyvalent alcohol.
(lubricating oil composition)
The lubricating oil composition of the present invention preferably kinematic viscosity 40 ℃ time is 50~300mm 2/ s, more preferably 60~280mm 2/ s, more preferably 80~260mm 2/ s, is particularly preferably 120~200mm 2/ s.As long as the kinematic viscosity in the time of 40 ℃ is 50mm 2more than/s, in deep-draw processing etc., can form sufficient lubricant film and bring into play the effect that improves processing characteristics, as long as be 300mm 2below/s, process and be easier to.
Metal processing of the present invention is preferred for the metal processing of metal or its alloy with lubricating oil composition, particularly, and in the plastic workings such as deep drawing, punching, drawing, cold forging.Particularly, in the deep-draw processing of the non-ferrous metal such as aluminium and alloy thereof, excellent in workability, can suppress the generation that metal wears away powder, can obtain the goods that have excellent surface quality simultaneously.
(method for metal working)
Method for metal working of the present invention is to utilize aforementioned metal processing with lubricating oil composition, aluminum or aluminum alloy materials to be carried out the method for deep-draw processing.For this deep-draw working method, can also under severe cruel processing conditions, process.For example, though pull and stretch than more than 1.5 conditions under, further, under more than 1.6 conditions, particularly, under more than 1.7 conditions, also can carry out good processing.
Embodiment
Then, utilize embodiment that the present invention is described in further detail, but the present invention is not subject to any restriction of these examples.
It should be noted that, the metal processing lubricating oil composition for obtaining in each example carries out deep-draw machining experiment under condition shown below, obtains each characteristic.
The condition > of < deep-draw machining experiment
(1) machined material
Aluminium alloy: A3003-H24, diameter 70.00mm disk, thickness of slab 0.28mm
(2) testing apparatus
Universal automatic thin plate trier: " USM-350D type " (Co., Ltd.'s Tokyo trier is manufactured)
Mould: diameter 40.90mm * R5mm
Drift: diameter 40.00mm * R4mm
Spacing: 0.45mm
Pressure-pad-force: 4.0kN
Drift lift velocity: 20mm/ second (using high speed test unit)
Sample oil coating process: be respectively coated with 1ml on machined material two sides
Pull and stretch ratio: 1.75
< assessment item >
(1) maximum punch load (kN):
Processibility to goods is evaluated.Maximum punch load is lower, more can form with low load, and processibility is high, productivity is high.
(2) abrasion powder generation:
With gauze, clean the surface of goods, the amount of the black stain that Visual Confirmation abrasion powder causes, evaluates with following judgement criteria.
judgement criteria
A: without black stain (abrasion powder)
B: have black stain (not enough surface (side) 1/3)
C: have black stain (the more than 1/3 of (side), surface)
(3) surface damage:
Having or not of Visual Confirmation damage, according to following judgement criteria, evaluate.
judgement criteria
A: not damaged
B: have damage
Embodiment 1~7 and comparative example 1~4
Prepare the metal processing lubricating oil composition forming shown in the 1st table, evaluate its each characteristic.Show the result in the 1st table.
[table 1]
[note]
1) base oil A: hydrofinishing mineral oil (40 ℃ of kinematic viscosity 130mm 2/ s, %C p72.3, %C a0.0, %C n27.7, viscosity index 107)
2) base oil B: hydrofinishing mineral oil (40 ℃ of kinematic viscosity 90mm 2/ s, %C p 72.0, %C a0.0, %C n28.0, viscosity index 107)
3) base oil C: hydrofinishing mineral oil (40 ℃ of kinematic viscosity 260mm 2/ s, %C p72.7, %C a0.0, %C n27.3, viscosity index 107)
4) base oil D: hydrofinishing mineral oil (40 ℃ of kinematic viscosity 200mm 2/ s, %C p72.6, %C a0.0, %C n27.4, viscosity index 107)
5) base oil E: hydrofinishing mineral oil (40 ℃ of kinematic viscosity 12mm 2/ s, %C p76.2, %C a0.4, %C n23.4, viscosity index 114)
6) glycerol derivative-I: two glycerine list oleyl ethers
7) glycerol derivative-II: single glycerine list oleyl ether
8) glycerol derivative-III: single oleic acid POE (2) glyceryl ester
9) additive A: oleyl alcohol
10) additive B: oleic acid
11) addition of C: trimethylolpropane tris oleic acid ester
From the 1st table, metal processing of the present invention is low to moderate below 7.3kN by the maximum punch load of lubricating oil composition (embodiment 1~8), excellent in workability, and the abrasion powder that arrives simultaneously unconfirmed, does not see surface damage yet, and processibility is good.
On the other hand, base oil E (the 40 ℃ of kinematic viscosity 12mm that do not meet kinematic viscosity important document have been used 2/ s) comparative example 1 with used base oil A (130mm 2/ s) embodiment 1 compares, maximum punch load high (7.4kN), and abrasion powder, surface damage is also bad.In addition we know, replace glycerol derivative of the present invention and coordinated any one the comparative example 2~4 of various oiliness improver A~C, any one of maximum punch load, mill powder consumption and surface damage all do not have good performance, poor in processability.
Utilizability in industry
Metal of the present invention processing is particularly carried out deep-draw to aluminum or aluminum alloy genus and is added man-hour the non-ferrous metal such as aluminium being carried out to metal processing with lubricating oil composition, excellent in workability, the generation that can suppress metal abrasion powder, can obtain the goods that have excellent surface quality simultaneously.

Claims (8)

1. a metal processing lubricating oil composition, it contains base oil and take the glycerol derivative (A) that total composition is benchmark 0.01~10 quality %,
Described base oil be selected from mineral oil, synthetic oil more than a kind, and the kinematic viscosity 40 ℃ time is 50~300mm 2/ s,
Described glycerol derivative (A) represents by general formula (I),
In formula (I), R 1represent alkyl, thiazolinyl or aralkyl, R 2and R 3represent independently respectively hydrogen atom or methyl, A 1o and A 2o represents respectively oxyalkylene group independently, n represent 0,1 or 2, p, q be respectively average addition mole number, p+q represents 0~5 number.
2. metal processing lubricating oil composition according to claim 1, wherein, the kinematic viscosity in the time of 40 ℃ is 80~260mm 2/ s.
3. metal processing lubricating oil composition according to claim 1 and 2, wherein, the kinematic viscosity in the time of 40 ℃ is 120~200mm 2/ s.
4. according to the metal processing lubricating oil composition described in any one in claim 1~3, wherein, the %C of base oil pbe 65~85.
5. according to the metal processing lubricating oil composition described in any one in claim 1~4, in described glycerol derivative, the R in general formula (I) 1for the alkyl or alkenyl of carbonatoms 12~24, R 2and R 3be respectively hydrogen atom, n is 1, p=0, q=0.
6. according to the metal processing lubricating oil composition described in any one in claim 1~5, it further contains oiliness improver 0.1~15 quality %.
7. according to the metal processing lubricating oil composition described in any one in claim 1~6, metal is processed as the deep-draw processing of aluminium or aluminium alloy material.
8. a deep-draw working method, its right to use requires the metal processing lubricating oil composition described in any one in 1~7, at pull and stretch, aluminium or aluminium alloy material is carried out to deep-draw processing under than more than 1.5 conditions.
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