CN104789305A - Metal processing oil composition - Google Patents
Metal processing oil composition Download PDFInfo
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- CN104789305A CN104789305A CN201410022852.0A CN201410022852A CN104789305A CN 104789305 A CN104789305 A CN 104789305A CN 201410022852 A CN201410022852 A CN 201410022852A CN 104789305 A CN104789305 A CN 104789305A
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Abstract
The invention relates to a metal processing oil composition and provides metal processing oil which has high lubricity and cooling performance, can be used under harsh processing conditions and has high flash point. The metal processing oil composition is characterized in that the metal processing oil composition comprises base oil with flash point being greater than 70 DEG C and less than 200 DEG C and monohydric alcohol with carbon number being less than or equal to 20 and greater than or equal to 8.
Description
Technical field
The present invention relates to Metalworking fluid composition.
Background technology
In the processing such as rolling, compacting, cutting of metal, in order to improve processibility, in order to make the surface texture of machined material become well, in order to improve the life-span of instrument, use metalworking fluid as a rule.Performance mainly oilness, cooling required in metalworking fluid, even if but the security also can not ignited under generation high temperature when processing metal is also very important.Therefore, also high flash point is required.
But the finish that flash-point is high exists the tendency that kinematic viscosity also uprises, therefore form excessive oil film, produce at instrument-storeroom and slide (patent documentation 1), in addition, because therefore cooling is not enough for high viscosity.Therefore, under the basic oil condition using flash-point such more than 200 DEG C, there is the situation producing and produce fully processing of sliding, can not obtain between instrument and machined material based on processing conditions, the removal of the heat that metal produces become insufficient, produce to fray etc. bad.As a rule, productivity is taken seriously most, therefore has that use can the tendency of the high finish of the flash-point of working condition of withstand harsh.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2002-088389 publication
Summary of the invention
the problem that invention will solve
The object of the present invention is to provide have can guarantee enough securities flash-point, can anti-sliding stop, there is enough coolings, the metalworking fluid that frays can be prevented.
for the scheme of dealing with problems
The present inventor etc. further investigate foregoing problems, and result completes the present invention.
That is, the present invention is a kind of Metalworking fluid composition, it is characterized in that, is more than 70 DEG C and the base oil of less than 200 DEG C and carbon number are the monohydroxy-alcohol of more than 8 and less than 20 containing flash-point.
In addition, the present invention relates to aforementioned metal treated oil composition, it is characterized in that, the content of aforementioned monohydroxy-alcohol counts more than 1 quality % and below 20 quality % with total composition benchmark.
In addition, the present invention relates to aforementioned metal treated oil composition, it is characterized in that, the kinematic viscosity at 40 DEG C of base oil is 0.5mm
2/ more than s and 9.0mm
2/ below s.
In addition, the present invention relates to aforementioned metal treated oil composition, it is characterized in that, it is for the cold rolling processing of aluminium.
the effect of invention
The present invention can provide has enough oilnesies and cooling and also can the high finish of the flash-point of working condition of withstand harsh.
Embodiment
Below, the present invention is described in detail.
The kind of the base oil that Metalworking fluid composition of the present invention uses is not particularly limited, and can use the base oil usually used, such as, can use mineral oil, synthetic oil.Wherein, from the view point of solvability, the availability of additive, preferred mineral oil.They can use a kind, also two or more kinds may be used.
As mineral oil, such as, can list: the purification process such as appropriately combined solvent deasphalting, solvent extraction, hydrocracking, solvent dewaxing, catalytic dewaxing, hydrogenation purifying, sulfuric acid scrubbing, clay treatment one kind or two or more come purifying air distillation and underpressure distillation crude oil and the lubricating oil distillate that obtains thus the alkane hydrocarbon system mineral oil obtained or cycloalkanes hydrocarbon system mineral oil.In addition, also can use low aromatic series process is implemented further to these mineral oil and the mineral oil obtained as base oil of the present invention.
As synthetic oil, such as, poly-alpha-olefin or their hydride such as the copolymerized oligomer of the copolymerized oligomer of the copolymerized oligomer of propylene oligomer, polybutene, polyisobutene, 1-octene oligomers, 1-decene oligopolymer, ethene and propylene, ethene and 1-octene, ethene and 1-decene can be listed; Isoparaffin; The alkylbenzenes such as monoalkylated benzenes, dialkyl benzene, polyoxyethylene alkylphenyl; The alkylnaphthalenes such as monoalkyl naphthalene, dialkyl group naphthalene, poly-alkylnaphthalene; The diesters such as Octyl adipate (dioctyl adipate), hexanodioic acid two (2-ethylhexyl) ester, diisodecyl adipate, hexanodioic acid two (tridecyl) ester, sebacic acid two (2-ethylhexyl) ester, pentanedioic acid two (tridecyl) esters; The tribasic esters such as trimellitic acid; The polyol esters such as trimethylolpropane caprylate, TriMethylolPropane(TMP) pelargonate, tricarboxymethyl propane oleate, tetramethylolmethane 2-ethylhexanoate, tetramethylolmethane pelargonate; The polyglycol such as polyoxyethylene glycol, polypropylene glycol, polyoxyethylene oxygen trimethylene glycol, polyoxyethylene glycol monoether, polypropyleneglycol monoether, polyoxyethylene oxygen trimethylene glycol monoether, polyethyleneglycol diether, polypropylene glycol diether, polyoxyethylene oxygen trimethylene glycol diether; The phenyl ethers such as monoalkyl diphenyl ether, dialkyl diphenyl ether, monoalkyl triphenyl ether, dialkyl group triphenyl ether, tetraphenyl ether, monoalkyl tetraphenyl ether, dialkyl group tetraphenyl ether, pentapheneyl ether; Silicone oil; The fluoroethers etc. such as perfluor ether, they can be used alone a kind or combinationally use two or more.
Basic oil flash of the present invention needs to be more than 70 DEG C, is preferably more than 80 DEG C, is more preferably more than 90 DEG C.On the other hand, need to be less than 200 DEG C, be preferably less than 180 DEG C, be more preferably less than 170 DEG C.
When basis oil flash is less than 70 DEG C, worry to cause igniting when the processing conditions of harshness, therefore not preferred.On the other hand, when basis oil flash is more than 200 DEG C, worry between DO-IT-YOURSELF DIY, produce slip, normal processing becomes difficulty, in addition, enough coolings can not be obtained, and then worry to remove finish completely in the thermal debinding operation of finish removing step, produce and pollute (stain).
It should be noted that, the flash-point in the present invention refers to and utilizes " Cleveland the is open " test method of JIS K2265 " crude oil and petroleum product-flash test method " and the value measured.
The aromatic series of base oil of the present invention divide preferably 10 below capacity %, be more preferably 7 below capacity %, more preferably 4 below capacity %.Under the processing conditions of harshness, the mist (mist) of real estate oil generation agent can not be kept away., there is the worry that operating environment is worsened in a large amount of aromatic series containing worrying foul smell, skin irritation etc. in this mist.When aromatic series divides more than 10 capacity %, the foul smell of finish worsens, hinders operating environment, therefore not preferred.
It should be noted that, in the present invention, aromatic series divides and refers to the fluorescent indicator adsorption method being suitable for JIS K2536 " petroleum product-hydrocarbon type test method " and the value measured.
The naphthenic hydrocarbon of base oil of the present invention divide preferably 10 ~ 90 quality %, be more preferably 15 ~ 85 quality %, more preferably 20 ~ 80 quality %.
In addition, the paraffinic hydrocarbons of base oil of the present invention divide preferably 10 ~ 90 quality %, be more preferably 15 ~ 85 quality %, more preferably 20 ~ 80 quality %.
The mensuration that naphthenic hydrocarbon in base oil divides and paraffinic hydrocarbons divides utilizes the molion intensity data obtained by the mass spectrometry based on field ionization (FI ionization) (use glass reservoir) to carry out.Following, this assay method is shown.
(1) in the elution chromatography adsorption tube of diameter 18mm, length 980mm, fill nominal diameter 74 ~ 149 μm of silica gel (Fuji Davision ChemicalCo.Ltd. manufactures grade923) that 120g is activated by the drying of about 175 DEG C, 3 hours.
(2) inject 75ml Skellysolve A, in advance silica gel is soaked.
(3) inject accurate weighing and be about 2g sample and the sample solution obtained with the Skellysolve A dilution of the capacity of grade.
(4) when the liquid level of sample solution reaches silica gel upper end, inject the 140ml Skellysolve A for separating of stable hydrocarbon composition, reclaim elutriant from the lower end of adsorption tube.
(5) utilized by the elutriant of (4) Rotary Evaporators to distill and remove solvent, obtain stable hydrocarbon composition.
(6) with mass spectrograph, type analysis is carried out to the stable hydrocarbon composition obtained by (5).As the ioning method in mass spectroscopy, adopt the FI ionization method using glass reservoir, the JMS-AX505H that mass spectrograph uses NEC (strain) to manufacture.Following, condition determination is shown.
Acceleration voltage: 3.0kV
Cathode voltage :-5 ~-6kV
Resolving power: about 500
Emtting electrode: carbon
Emitter current: 5mA
Measurement range: total mass number 35 ~ 700
Secondary furnace temperature: 300 DEG C
Isolated body temperature: 300 DEG C
Calciner temperature: 350 DEG C
Sample injection rate: 1 μ l
(7) molion obtained by the mass spectrometry of (6) is after isotropic substance corrects, and being classified by its total mass number/arranged is paraffinic (C
nh
2n+2) and cycloalkane (C
nh
2n, C
nh
2n-2, C
nh
2n-4) 2 classes, obtain point rate of respective ionic strength, determine all types of content dividing entirety relative to stable hydrocarbon.Then, according to the content that the stable hydrocarbon obtained by (5) divides, obtain divide relative to the naphthenic hydrocarbon of sample entirety, paraffinic hydrocarbons divides respective content.
It should be noted that, the detailed content of the data processing based on type analysis method of FI method mass spectroscopy is on the books in " 2.2.3 data processing " item of " day stone レ ビ ュ ー " the 33rd volume No. 4 135 ~ 142 pages.
Kinematic viscosity at 40 DEG C of base oil of the present invention is preferably 0.5mm
2/ more than s, be more preferably 1.0mm
2/ more than s, more preferably 1.5mm
2/ more than s.On the other hand, the kinematic viscosity at 40 DEG C is preferably 9.0mm
2/ below s, be more preferably 8.0mm
2/ below s, more preferably 7.0mm
2/ below s.
40 DEG C of kinematic viscosity are less than 0.5mm
2during/s, add can not form enough oil films man-hour, produce machining damage etc., the possibility that causes processing bad is very high.On the other hand, more than 9.0mm
2during/s, there is the situation forming excessive oil film, produce the machining damage that slides, produces between instrument and machined material.
Metalworking fluid composition of the present invention contains the monohydroxy-alcohol that carbon number is more than 8 and less than 20.
The carbon number of alcohol of the present invention is more than 8, is preferably more than 10, is more preferably more than 12.Enough processibilities can not be obtained, in addition foul smell grow when carbon number is less than 8, not preferred in operating environment.
On the other hand, the carbon number of alcohol of the present invention is less than 20, is preferably less than 18, is more preferably less than 16.When carbon number is more than 20, worry to remove finish in the thermal debinding operation of finish removing step after processing completely, produce and pollute, not preferably.
Alcohol of the present invention can be saturated, also can be undersaturated.In addition, can be that straight chain also for side chain, can be preferably straight chain, most preferably by straight chain saturated alcohol and the mixing of straight chain unsaturated alcohol from the viewpoint of processibility.
As the alcohol of carbon number 8 ~ 20, specifically, include, for example out the octanol of straight-chain or branch-like, the nonyl alcohol of straight-chain or branch-like, the decyl alcohol of straight-chain or branch-like, the undecyl alcohol of straight-chain or branch-like, the lauryl alcohol of straight-chain or branch-like, the tridecanol of straight-chain or branch-like, the tetradecyl alcohol of straight-chain or branch-like, the pentadecanol of straight-chain or branch-like, the hexadecanol of straight-chain or branch-like, the heptadecyl alcohol of straight-chain or branch-like, the stearyl alcohol of straight-chain or branch-like, the nonadecanol of straight-chain or branch-like, the eicosanol of straight-chain or branch-like and their mixture etc.
The content of alcohol of the present invention is preferably more than 1 quality % in total composition benchmark, is more preferably more than 1.5 quality %, more preferably more than 2 quality %.When being less than 1 quality %, enough processibilities can not be obtained, therefore not preferred.
On the other hand, be preferably below 20 quality %, be more preferably below 15 quality %, more preferably below 10 quality %.During more than 20 quality %, produce bad in the slip between worry generation DO-IT-YOURSELF DIY, processing, in addition, worry to remove finish in the thermal debinding operation of finish removing step completely, produce pollution, therefore not preferred.
Metalworking fluid composition of the present invention also can use for more than 8 the oiliness improver usually used except carbon number except the monohydroxy-alcohol of less than 20.These oiliness improvers are not particularly limited, rise further from processibility can be made, each performance required by metalworking fluid is not produced the aspects such as bad influence preferably coordinate be selected from following in the oiliness improver of at least a kind.
(A) ester
(B) alcohol (not comprising monohydroxy-alcohol)
(C) carboxylic acid
The alcohol forming above-mentioned (A) ester can be monohydroxy-alcohol also can be polyvalent alcohol, and carboxylic acid can be monoprotic acid also can be polyprotonic acid.
As monohydroxy-alcohol, usually use the monohydroxy-alcohol of carbon number 1 ~ 24, the alcohol that can be straight chain as such alcohol also can be the alcohol of branch.As the alcohol of carbon number 1 ~ 24, specifically, include, for example out methyl alcohol, ethanol, the propyl alcohol of straight-chain or branch-like, the butanols of straight-chain or branch-like, the octanol of straight-chain or branch-like, the nonyl alcohol of straight-chain or branch-like, the decyl alcohol of straight-chain or branch-like, the undecyl alcohol of straight-chain or branch-like, the lauryl alcohol of straight-chain or branch-like, the tridecanol of straight-chain or branch-like, the tetradecyl alcohol of straight-chain or branch-like, the pentadecanol of straight-chain or branch-like, the hexadecanol of straight-chain or branch-like, the heptadecyl alcohol of straight-chain or branch-like, the stearyl alcohol of straight-chain or branch-like, the nonadecanol of straight-chain or branch-like, the eicosanol of straight-chain or branch-like, two undecyl alcohols of straight-chain or branch-like, the tricosanol of straight-chain or branch-like, the tetracosanol of straight-chain or branch-like and their mixture etc.
As polyvalent alcohol, usually can use 2 ~ 10 yuan, be preferably the alcohol of 2 ~ 6 yuan.As the polyvalent alcohol of 2 ~ 10 yuan, specifically, include, for example out ethylene glycol, Diethylene Glycol, polyoxyethylene glycol (3 ~ 15 aggressiveness of ethylene glycol), propylene glycol, dipropylene glycol, polypropylene glycol (3 ~ 15 aggressiveness of propylene glycol), 1, ammediol, 1,2-propylene glycol, 1,3-butyleneglycol, 1,4-butyleneglycol, 2-methyl isophthalic acid, 2-propylene glycol, 2-methyl isophthalic acid, ammediol, 1,2-pentanediol, 1,3-pentanediol, 1, the dibasic alcohol such as 4-pentanediol, 1,5-PD, neopentyl glycol, glycerol, polyglycerol (2 ~ 8 aggressiveness of glycerol, such as two glycerol, three glycerol, four glycerol etc.), trimethylol-alkanes (Trimethylolalkane) (trimethylolethane, TriMethylolPropane(TMP), tri hydroxy methyl butane etc.) and their 2 ~ 8 aggressiveness, tetramethylolmethane and their 2 ~ 4 aggressiveness, 1, 2, 4-trihydroxybutane, 1, 3, 5-penta triol, 1, 2, 6-hexanetriol, 1, 2, 3, 4-butantetraol, Sorbitol Powder, anhydrous sorbitol, Sorbitol Powder glycerol condenses, ribitol (adonitol), arabitol, Xylitol, the polyvalent alcohols such as N.F,USP MANNITOL, carbohydrate and their mixtures etc. such as wood sugar, pectinose, ribose, rhamnosyl, glucose, fructose, semi-lactosi, seminose, sorbose, cellobiose, maltose, isomaltose, trehalose, sucrose.
Among them, more preferably ethylene glycol, Diethylene Glycol, polyoxyethylene glycol (3 ~ 10 aggressiveness of ethylene glycol), propylene glycol, dipropylene glycol, polypropylene glycol (3 ~ 10 aggressiveness of propylene glycol), 1, ammediol, 2-methyl isophthalic acid, 2-propylene glycol, 2-methyl isophthalic acid, ammediol, neopentyl glycol, glycerol, two glycerol, three glycerol, trimethylol-alkanes (trimethylolethane, TriMethylolPropane(TMP), tri hydroxy methyl butane etc.) and their 2 ~ 4 aggressiveness, tetramethylolmethane, Dipentaerythritol, 1, 2, 4-trihydroxybutane, 1, 3, 5-penta triol, 1, 2, 6-hexanetriol, 1, 2, 3, 4-butantetraol, Sorbitol Powder, anhydrous sorbitol, Sorbitol Powder glycerol condenses, ribitol, arabitol, Xylitol, the polyvalent alcohol that N.F,USP MANNITOL etc. are 2 ~ 6 yuan and their mixture etc.
Among them, particularly preferably ethylene glycol, propylene glycol, neopentyl glycol, glycerol, trimethylolethane, TriMethylolPropane(TMP), tetramethylolmethane, anhydrous sorbitol and their mixture etc.
As monoprotic acid, being generally the lipid acid of carbon number 6 ~ 24, can be that the acid of straight chain can be also the acid of branch, can be saturated acid in addition also can be undersaturated acid.Specifically, include, for example out the caproic acid of straight-chain or branch-like, straight-chain or branch-like sad, the n-nonanoic acid of straight-chain or branch-like, the capric acid of straight-chain or branch-like, the undecyl acid of straight-chain or branch-like, the dodecyl acid of straight-chain or branch-like, the tridecyl acid of straight-chain or branch-like, the tetradecyl acid of straight-chain or branch-like, the pentadecyl acid of straight-chain or branch-like, the hexadecyl acid of straight-chain or branch-like, the Eighteen alkyl acid of straight-chain or branch-like, the hydroxyoctadecanoic base acid of straight-chain or branch-like, the nonadecyl acid of straight-chain or branch-like, the eicosyl acid of straight-chain or branch-like, the heneicosyl acid of straight-chain or branch-like, the docosyl acid of straight-chain or branch-like, the tricosyl acid of straight-chain or branch-like, the saturated fatty acids such as the tetracosyl acid of straight-chain or branch-like, the hexenoic acid of straight-chain or branch-like, the heptenoic acid of straight-chain or branch-like, the octylenic acid of straight-chain or branch-like, the nonenoic acid of straight-chain or branch-like, the decylenic acid of straight-chain or branch-like, the undecylenic acid of straight-chain or branch-like, the lauroleic acid of straight-chain or branch-like, the tridecylenic acid of straight-chain or branch-like, straight-chain or branch-like tetradecenoic acid, the pentadecylenic acid of straight-chain or branch-like, the gaidic acid of straight-chain or branch-like, the octadecenic acid of straight-chain or branch-like, the hydroxyl octadecenic acid of straight-chain or branch-like, the nonadecenoic acid of straight-chain or branch-like, the eicosenoic acid of straight-chain or branch-like, two undecylenic acids of straight-chain or branch-like, the docosenoic acid of straight-chain or branch-like, the tricosenoic acid of straight-chain or branch-like, unsaturated fatty acids and their mixtures such as the nervonic acid of straight-chain or branch-like.
Among them, the particularly preferably saturated fatty acid of carbon number 8 ~ 20 or the unsaturated fatty acids of carbon number 8 ~ 20 and their mixture.
As polyprotonic acid, the diprotic acid and trimellitic acid etc. of carbon number 2 ~ 16 can be listed.As the diprotic acid of carbon number 2 ~ 16, can be straight chain acid also can for the acid of branch, also can be able to be undersaturated acid for saturated acid in addition.Specifically, include, for example out oxalic acid, propanedioic acid, the succinic acid of straight-chain or branch-like, the pentanedioic acid of straight-chain or branch-like, the hexanodioic acid of straight-chain or branch-like, the suberic acid of straight-chain or branch-like, the nonane diacid of straight-chain or branch-like, the sebacic acid of straight-chain or branch-like, the undecyl diacid of straight-chain or branch-like, the dodecyl diacid of straight-chain or branch-like, the tridecyl diacid of straight-chain or branch-like, the tetradecyl diacid of straight-chain or branch-like, the heptadecyl diacid of straight-chain or branch-like, the hexadecyl diacid of straight-chain or branch-like, the hexene diacid of straight-chain or branch-like, the octene diacid of straight-chain or branch-like, the nonene diacid of straight-chain or branch-like, the octene dicarboxylic acid of straight-chain or branch-like, the nonene dicarboxylic acid of straight-chain or branch-like, the laurylene diacid of straight-chain or branch-like, the tridecylendioic acid of straight-chain or branch-like, the tetradecene diacid of straight-chain or branch-like, the heptadecene diacid of straight-chain or branch-like, the hexadecylene diacid of straight-chain or branch-like and their mixture.
Alcohol makes different esters from the combination of carboxylic acid, can exemplify:
(1) monohydroxy-alcohol and monacid ester
(2) polyvalent alcohol and monacid ester
(3) monohydroxy-alcohol and polybasic ester
(4) polyvalent alcohol and polybasic ester
(5) mixture of monohydroxy-alcohol, polyvalent alcohol and the mixed ester of polyprotonic acid
(6) mixed ester of the mixture of polyvalent alcohol and monoprotic acid, polyprotonic acid
(7) mixed ester etc. of the mixture of the mixture of monohydroxy-alcohol, polyvalent alcohol and monoprotic acid, polyprotonic acid.
As oiliness improver of the present invention, can use in them any one, also they also can be used.
It should be noted that, use the situation of polyvalent alcohol as alcohol composition, the part ester that can be the complete esterified complete ester of hydroxyl in polyvalent alcohol, also can remain for a part for hydroxyl is not esterified with hydroxyl former state.
In addition, the situation of polyprotonic acid is used as carboxylic acid composition, the part ester that can be the complete esterified complete ester of carbonyl in polyprotonic acid, also can remain for a part for carbonyl is not esterified with carbonyl former state.
The ester used in the present invention can use any one in above-mentioned ester, wherein from the view point of processibility can be made to rise further, less to the bad influence of each performance required by metalworking fluid in addition, preferred monohydroxy-alcohol and monacid ester.
Total carbon number of the ester used as oiliness improver in the present invention is not particularly limited, but from the view point of the further excellent effect improving processibility, preferably total carbon number is ester, more preferably total carbon number of more than 7 is the ester of more than 9, further preferably total carbon number is the ester of more than 11.In addition, from the view point of can the generation of preventing pollution, corrosion further, preferably total carbon number be less than 26 ester, more preferably less than 24 ester, further preferably less than 22 ester.
As the alcohol of above-mentioned (B), can list except as forming the alcohol of above-mentioned (A) ester and the alkylol cpd except the monohydroxy-alcohol that lists.Wherein, preferred dipropylene glycol, tripropylene glycol.
As above-mentioned (C) carboxylic acid, can be that monoprotic acid also can for polyprotonic acid.Specifically, can list as forming the carboxylic acid of above-mentioned (A) ester and the compound that lists.Among them, from the view point of processibility, less to the bad influence of each performance required by treated oil in addition can be improved further, be preferably monocarboxylic acid.
In addition, the carbon number of (C) carboxylic acid be preferably more than 6, more preferably more than 8, further preferably more than 10.On the other hand, carbon number is preferably less than 20, is more preferably less than 18.By carbon number being set to more than 6 thus making the upper ascending effect of processibility more excellent.In addition, by carbon number being set to less than 20 thus can the generation of preventing pollution, corrosion further.
As the oiliness improver of Metalworking fluid composition of the present invention, only can use a kind in the oiliness improver being selected from above-mentioned (A) ~ (C), also can use mixture of more than two kinds.
Rise further from the view point of processibility can be made, less to the bad influence of each performance required by treated oil, in the oiliness improver coordinated in Metalworking fluid composition of the present invention, preferred use (A) ester and/or (C) carboxylic acid, the ester of total carbon number 7 ~ 26 particularly preferably using (A') to be obtained by monohydroxy-alcohol and 1 yuan of acid and/or 1 yuan of acid of (C') carbon number 6 ~ 20.
The total content of above-mentioned oiliness improver is not particularly limited, but time very few, worries not show additive effect, therefore in total composition benchmark, is preferably more than 0.1 quality %, is more preferably more than 0.2 quality %, more preferably more than 0.3 quality %.In addition, to worry in the thermal debinding operation of finish removing step after processing can not finish, produce and pollute, be therefore preferably below 15 quality %, be more preferably below 12 quality %, more preferably below 10 quality %.
In Metalworking fluid composition of the present invention, with the object making its anti-thermal degradation increase further, antioxidant can be coordinated.Particularly as the present invention in order to prevent the danger of fire from, under using the basic oil condition of high flash point, preferably coordinating antioxidant.
As antioxidant, phenol system antioxidant, aromatic amine system antioxidant etc. can be listed.
As phenol system antioxidant, the alkylphenol of the alkyl of the carbon number 1 ~ 18 with more than 1 or 2 can be listed, more specifically, 2,6 ditertiary butyl p cresol (DBPC), 2,6 di t butyl phenol etc. can be listed.
As aromatic amine system antioxidant, specifically, such as, pentanoic, dialkyl diphenylamine (carbon number of alkyl is 1 ~ 18), phenyl-a-naphthylamine, alkyl phenyl-alpha-naphthylamine (carbon number of alkyl is 1 ~ 18), thiodiphenylamine, N-alkyl thiodiphenylamine (carbon number of alkyl is 1 ~ 18) etc. can be listed.
The use level of the antioxidant in Metalworking fluid composition of the present invention is not particularly limited, in total composition benchmark usually containing 0.1 ~ 5 quality %.But, as the present invention in order to prevent fire danger and under using the basic oil condition of high flash point, due to stand thermal degradation when the material of oil content after rolling in remaining, easily cause the generation of pollution, therefore preferably containing more than 0.3 quality %.On the other hand, even if the effect matched with addition too much can not be obtained, be therefore preferably below 3 quality %, more preferably below 2.5 quality %, further preferred below 2 quality %.
In Metalworking fluid composition of the present invention, in order to make the effect of its excellence rise further, extreme-pressure additive, rust-preventive agent, anticorrosive agent, defoamer etc. can be added separately as required or also can combine and adding two or more.
As above-mentioned extreme-pressure additive, the organometallic compounds such as phosphorus series compound and zinc dialkyl dithiophosphate etc. such as Tritolyl Phosphate can be exemplified.
As above-mentioned rust-preventive agent, the part ester of sulfonate, the sorbitan monooleate etc. such as the salt of the lipid acid such as oleic acid, dinonylnaphthalene sulfonic acid salt polyvalent alcohol, amine and its derivative, phosphoric acid ester and its derivative etc. can be exemplified.
As above-mentioned anticorrosive agent, benzotriazole etc. can be listed.
As above-mentioned defoamer, silicon system material etc. can be listed.
These additive levels are preferably below 15 quality % usually in total composition benchmark, are more preferably below 10 quality %.
Metalworking fluid composition of the present invention preferably contains polyalkylene glycol to obtain higher processibility.
As described polyalkylene glycol, use carbon number 2 ~ 6, preferably the oxirane homopolymerization of 2 ~ 4 or the material of copolymerization.
As the oxirane of carbon number 2 ~ 6, specifically, include, for example out oxyethane, propylene oxide, 1,2-butylene oxide ring (α-butylene oxide ring), 2,3-butylene oxide ring (beta epoxide butane), 1,2-epoxy group(ing)-1-methylpropane, 1,2-oxepane and 1,2-oxepane.Wherein, the adjustment force excellence that the condensation (transfer) from the view point of aluminium to instrument is measured, optimization ethylene oxide, propylene oxide etc.
The number-average molecular weight of polyalkylene glycol be preferably more than 120 and less than 1000, be more preferably less than more than 120 500.The polyalkylene glycol of number-average molecular weight less than 120 is low to the solvability of base oil, not preferably.In addition, worry that the polyalkylene glycol that number-average molecular weight is greater than 1000 residues in machined material surface after processing, produces and pollute, not preferably.
The content of polyalkylene glycol is preferably more than 0.05 quality % in total composition benchmark, is more preferably more than 0.1 quality %, more preferably more than 0.2 quality %.On the other hand, be preferably below 3 quality %, be more preferably below 2 quality %, more preferably below 1 quality %.During less than 0.05 quality %, additive effect is insufficient, even if can not obtain the effect matched with addition more than 3 quality %.
It should be noted that, as polyalkylene glycol, when can use oxirane to be polymerized, number-average molecular weight becomes more than 120 and the material that reacts of the mode of less than 1000, also can use and utilize distillation, chromatography by the blends of polyalkylene glycols obtained, commercially available blends of polyalkylene glycols are separated and make number average molecular weight be more than 120 and less than 1000 by arbitrary method.
For Metalworking fluid composition of the present invention, there is no particular limitation for its viscosity, but the fire caused from the view point of making to ignite etc. are dangerous reduces further, and the kinematic viscosity at 40 DEG C is preferably 1.1mm
2/ more than s, be more preferably 1.3mm
2/ more than s, most preferably be 1.5mm
2/ more than s.On the other hand, produce the surface damage, surface luster variation etc. that are called oil hole (oil-pit) from the view point of material when worrying that viscosity is too high after rolling, the kinematic viscosity at 40 DEG C is preferably 6.5mm
2/ below s, be more preferably 6.3mm
2/ below s, most preferably be 6mm
2/ below s.
Metalworking fluid composition of the present invention can use in cold rolling, deep drawn, thinning stretching, stamping-out, cutting, grinding.Especially can use aptly in cold rolling processing.
Metalworking fluid composition of the present invention may be used for the processing of aluminium (and alloy), copper (and alloy), stainless steel, steel, titanium.Especially can use aptly for aluminium (and alloy).
Embodiment
Below enumerate embodiment to specifically describe the present invention, but the present invention is not limited to these embodiments.
(embodiment 1 ~ 16 and comparative example 1 ~ 6)
Use the base oil represented in table 1, prepare various Metalworking fluid composition.The result of its composition and performance evaluation is described in table 2 and table 3.The addition (quality %) of the use level (quality %) of base oil, each additive take total composition as benchmark.For various performance by following evaluation method evaluation.
(processibility)
The evaluation of processibility is implemented in cold rolling processing.
Under following material and test conditions, with draft 20% rolling, within every 15 seconds, make draft rising 5% (maximum 50%).Surface damage etc. will do not produced and the maximum draft that can process is set to limit draft.
Material: 0.9mm is thick, 100mm is wide, the aluminium of 350m length (coiled type) (JIS5082)
Test conditions: roll speed 50m/min working roll (work roll) diameter 50mm injection flow (oilingquantity): 10L/min oil temperature: 38 DEG C
(sliding)
Advance ratio (forward slip) is measured with above-mentioned workability test.The following formula of advance ratio represents.This value, for time negative, produce and slides between the working roll of material and instrument.Advance ratio is step-down under the condition that severity is low, in evaluation, therefore use value during draft 20%.Be that situation below-2% is judged as producing excessive slip for advance ratio.
Advance ratio (%)=100 × (front material velocity (m/min)-working roll circumferential speed (m/min))/working roll circumferential speed (m/min)
(foul smell judgement)
In 300ml beaker, weighing 50g finish is heated to 60 DEG C.10 under test personnel (lubricating oil researchist and sell practitioner) judge foul smell, discovery will do not had to be chosen as 3 points, will slightly to have any to be chosen as 2 points, discoverys to be chosen as 1 point, will to find consumingly to be chosen as 0 point, calculate on average.The situation of average mark less than 2 is set to defective.
(finish removal)
300 seconds ultrasonic washer are carried out to the aluminium sheet (JIS1050) of 60mm (horizontal stroke) × 80mm (indulging) × 1.5mm (thickness) is each respectively in acetone, normal hexane, methyl alcohol.After making its drying, flood in finish 60 seconds, mention, hang and drain finish 180 seconds, with carry out same operation other 2 pieces superimposed.With maintenance level, carry 100g above the state of counterweight in thermostatic bath through 60 minutes from room temperature to 350 DEG C, keep 90 minutes at 350 DEG C.Then, after naturally cooling to room temperature, observe faying surface (matchingsurface), judge the presence or absence polluted.
Evaluation assessment with regulation in JIS K2246 " slushing oil " " rust generation degree measuring method " for test film surface segmentation is that 100 lattice carry out evaluating with following benchmark by benchmark.The sample of A and B is evaluated as qualified, the sample of C and D is evaluated as defective.
A: pollute 0%
B: pollute 1 ~ 10%
C: pollute 11 ~ 25%
D: pollute more than 26%
Table 1
| Base oil | 40 DEG C of viscosity | Flash-point | Aromatic series |
| A1 | 2.3 | 105 | 0.1 |
| A2 | 6.5 | 166 | 3.3 |
| A3 | 0.7 | 75 | 0.1 |
| A4 | 8.6 | 194 | 0.2 |
| A5 | 0.3 | 73 | 0.4 |
| A6 | 9.8 | 189 | 0.2 |
| A7 | 1.1 | 67 | 3.3 |
| A8 | 8.6 | 212 | 0.1 |
| A9 | 2.4 | 109 | 9.3 |
| A10 | 2.6 | 111 | 12.1 |
Table 2
Table 3
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 | |
| A1 | 100 | 94 | 94 | |||
| A2 | ||||||
| A3 | ||||||
| A4 | ||||||
| A5 | ||||||
| A6 | ||||||
| A7 | 94 | |||||
| A8 | 94 | |||||
| A9 | ||||||
| A10 | ||||||
| B1 | 6 | 6 | 100 | |||
| B2 | ||||||
| B3 | ||||||
| B4 | 6 | |||||
| B5 | 6 | |||||
| C1 | ||||||
| C2 | ||||||
| C3 | ||||||
| Limit draft | 45 | 50 | Less than 20 | 50 | 45 | 50 |
| Advance ratio | 1.6 | -2 | - | -5.2 | 2.1 | 1.1 |
| Foul smell judges | 2 | 2.8 | 2.9 | 1.8 | 0.8 | 2.7 |
| Pollute | Ａ | Ｂ | Ａ | Ｄ | Ａ | Ｃ |
B1: lauryl alcohol
B2: octanol
B3: oleyl alcohol
B4: hexanol
B5:C22 alcohol
C1: butyl stearate
C2: oleic acid
C3: tripropylene glycol
Claims (4)
1. a Metalworking fluid composition, is characterized in that, it contains flash-point and is more than 70 DEG C and the base oil of less than 200 DEG C and carbon number are the monohydroxy-alcohol of more than 8 and less than 20.
2. Metalworking fluid composition according to claim 1, is characterized in that, the content of described monohydroxy-alcohol counts more than 1 quality % and below 20 quality % with total composition benchmark.
3. Metalworking fluid composition according to claim 1 and 2, is characterized in that, the kinematic viscosity at 40 DEG C of base oil is 0.5mm
2/ more than s and 9.0mm
2/ below s.
4. the Metalworking fluid composition according to any one of claims 1 to 3, is characterized in that, it is for the cold rolling processing of aluminium.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728221A (en) * | 2018-06-05 | 2018-11-02 | 广州吉盛润滑科技有限公司 | A kind of punching press drawing oil and preparation method thereof |
| CN110724584A (en) * | 2019-11-05 | 2020-01-24 | 浙江渤威能源科技有限公司 | Water-soluble aluminum alloy drawing oil and preparation method thereof |
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| US20110287993A1 (en) * | 2009-02-10 | 2011-11-24 | Jx Nippon Oil & Energy Corporation | Oil composition for minimal quantity lubrication aluminum processing |
| CN102782104A (en) * | 2010-03-11 | 2012-11-14 | 吉坤日矿日石能源株式会社 | Oil composition, and trace amount oil supply type cutting/grinding processing method |
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| CN101415807A (en) * | 2006-03-31 | 2009-04-22 | 新日本石油株式会社 | Polyfunctional hydrocarbon oil composition |
| US20110287993A1 (en) * | 2009-02-10 | 2011-11-24 | Jx Nippon Oil & Energy Corporation | Oil composition for minimal quantity lubrication aluminum processing |
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| CN108728221B (en) * | 2018-06-05 | 2021-05-25 | 广州国机润滑科技有限公司 | Stamping and deep drawing oil and preparation method thereof |
| CN110724584A (en) * | 2019-11-05 | 2020-01-24 | 浙江渤威能源科技有限公司 | Water-soluble aluminum alloy drawing oil and preparation method thereof |
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