CN107513457A - A kind of transmission system of electric automobile special oil and preparation method thereof - Google Patents
A kind of transmission system of electric automobile special oil and preparation method thereof Download PDFInfo
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- CN107513457A CN107513457A CN201710825867.4A CN201710825867A CN107513457A CN 107513457 A CN107513457 A CN 107513457A CN 201710825867 A CN201710825867 A CN 201710825867A CN 107513457 A CN107513457 A CN 107513457A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/086—Imides
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
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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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention relates to transmission system of electric automobile field, more particularly to a kind of transmission system of electric automobile special oil and preparation method thereof.Count in parts by weight, the special oil contains：Component A, at least one artificial oil；Component B, at least one viscosity index improver；Component C, at least one extreme pressure anti-wear additives；Component D, at least one metal deactivator；Component E, at least one antioxidant；Component F, at least one dispersant；Component G, at least one detersive；Component H, at least one anti-foaming agent；Component I, fluorocarbon material；Component J, at least one dressing agent.The special oil is with excellent insulating properties, high-breakdown-voltage while with functions such as good lubrication, cooling, anti-attritions.
Description
Technical field
The present invention relates to transmission system of electric automobile field, more particularly to a kind of transmission system of electric automobile special oil and its
Preparation method.
Background technology
With the raising of the shortage and people's environmental consciousness of petroleum resources, national governments and major automobile making commercial city exist
Exploitation can save the energy, the green automobile product for improving fuel economy, reducing discharge even zero-emission.Therefore low row
Put, the electric automobile of low oil consumption turns into study hotspot, at the same time various new materials and the new technology continuous quilt on electric automobile
Development and application, electric car come into brand-new developing stage.
Electric automobile mainly includes pure electric automobile, hybrid vehicle, fuel cell car etc., and storage is all mounted with car
Battery is also equipped with motor as main power source, and driving force is provided under certain operating mode or generating carries out energy regenerating.
The form that motor in electric automobile couples with speed changer is the trend of driving system for electric vehicles development, is future automobile hair
The important trend of exhibition, and the form that most electric vehicle development business are taken at present.In driving system for electric vehicles, it is
Make transmission structures compact, transferring element is few, and can reduce power attenuation to greatest extent, mitigate component wear, cooling
Friction pair, usual motor and mechanical driving part use the lubrication strategies of " integration ", i.e. motor and mechanical driving part shares
A set of lubricating system, while meet the lubrication to mechanical driving part and the cooling to motor, so requiring electric car to be driven
System oil is possessing excellent greasy property, antifoam property, antiwear and friction reduction property, oxidation stability, resistance to rust and corrosion, viscous temperature
With good insulating properties while characteristic, shear stability and frictional behavior, such as General Motors Corporation
GMNA9986144 standards are just made to the insulating properties of oil product and are distinctly claimed, and standard gauge stand oil product are old through 168 hours at 150 DEG C
Breakdown voltage is not less than 12500 volts after change.
Fluorinated graphene is a kind of slotting lamellar compound of fluorine and carbon, interplanar distance be about graphite layers away from twice, have
Good greasy property.Also, CFx(x=0.2~0.9) is not influenceed by any atmosphere, and graphite inertia and reducing atmosphere,
Greasy property can all significantly reduce molybdenum disulfide under an inert atmosphere.The CF of Nano gradex, greasy property is better than molybdenum disulfide,
Not only antifriction antiwear is excellent, and does not corrode metal.Based on CFxAbove-mentioned performance characteristics, CFxIt can be used as kollag.
Because graphite layers electronics produces strong covalent bond with fluorine, F-C keys are not easy to disconnect, and interlayer bond energy significantly reduces.CFxInterlayer knot
Close can very small (about 9.36kJ/mol), far below graphite layers combine can (41.8kJ/mol), therefore CFxInterlayer is easier to slide
Move and produce laminar body.CFxThere is mutual repulsion between middle fluorine atom, external pressure can be offset, therefore, even in high-temperature, height
Under conditions of speed and high pressure, good lubricity can be also shown.
In addition, fluorinated graphene is because introduce the sp3 original height conjugated structure of C-C structure heavy damages, thus lose
The electric conductivity that graphene is good is removed, the high resistance of fluorinated graphene makes it can be used as good insulating material.
The domestic research to electric car is started late, and the open report of electric car and transmission system lube product is gone back
Seldom, need badly and prior art be improved, with provide a kind of performance it is more excellent meet driving system for electric vehicles lubricating function
Lubricating oil.
The content of the invention
In order to overcome problem above existing for existing product, it is an object of the invention to provide it is a kind of have it is excellent exhausted
Edge performance, high-breakdown-voltage while the transmission system of electric automobile special oil with functions such as good lubrication, cooling, anti-attritions
And preparation method thereof.
In order to reach the effect above, the technical scheme is that：
A kind of transmission system of electric automobile special oil, is counted in parts by weight, and the special oil contains：
Wherein, artificial oil be refined mineral oil, alkylbenzene, the one or more of alkylnaphthalene, viscosity index improver
For the polymethacrylates or ethylene-propylene copolymer of decentralized, extreme pressure anti-wear additives are phosphorous antiwear additive, metal deactivator N, N-
It is more than one or both of diakylaminomethylene benzotriazole or thiadiazoles alkyl hydrosulfide hydrogen peroxide condensation product, antioxidant
For DBPC 2,6 ditertiary butyl p cresol, 2,6- di-tert-butylphenols, phenyl-α-naphthylamine, thiocarbamate, amyl group diphenylamines, double
In dodecyl diphenylamine, double octyl diphenylamines, di-n-octyl dithiocarbamate and zinc dialkyl dithiophosphate
One or more, dispersant are ashless dispersant, and detersive is metal detergent, and anti-foaming agent is dimethicone, propylene
More than one or both of acid esters and composite anti-foam agent, dressing agent is aminated compounds.
Described transmission system of electric automobile special oil, extreme pressure anti-wear additives are tricresyl alkaliine, two thio phosphorus of tributyl
It is more than one or both of acid esters and isooctyl acid phosphate octadecylamine salt.
Described transmission system of electric automobile special oil, dispersant be polyisobutene succinimide, boronation polyisobutene,
It is more than one or both of mono butonediimide, double succimides, macromolecule succimide and boronation succimide.
Described transmission system of electric automobile special oil, detersive are alkyl monosulfide phenates, alkyl salicylate hydrochlorate and sulphur
It is more than one or both of acid calcium salt.
Described transmission system of electric automobile special oil, detersive use sulfoacid calciums of the TBN for 0~50mg KOH/g, or
TBN is 140~250mg KOH/g sulfoacid calcium, or the sulfoacid calcium that TBN is 295~380mg KOH/g, or TBN is more than 400mg
KOH/g sulfoacid calcium, or neutral calcium sulfonate, or TBN is 200~300mg KOH/g sulfurized alkylphenol calciums, or TBN be 250~
300mg KOH/g calcium naphthenates, or the mixture of their any combination.
Described transmission system of electric automobile special oil, fluorocarbon material are fluorinated graphene, modified fluorinated graphene and fluorine
Change more than one or both of carbon.
Described transmission system of electric automobile special oil, dressing agent are monoethanolamine, polyethylene glycol ether amines and PolyTHF
It is more than one or both of ether amines.
The preparation method of described transmission system of electric automobile special oil, first the desired amount of artificial oil is added in proportion
The stainless steel of belt stirrer reconciles in kettle, secondly the desired amount of viscosity index improver, anti-foaming agent will be added to mediation in proportion
In kettle, be warming up at 65~75 DEG C and stir 2~4 hours, be cooled at 50~60 DEG C add extreme pressure anti-wear additives, metal deactivator,
Antioxidant, dispersant, detersive, continue to stir 3~5 hours at 50~60 DEG C, to mixture homogeneous transparent；Then press than
Example adds fluorocarbon material and dressing agent, 20~40h of ball milling, obtains finished product.
Advantages of the present invention and beneficial effect are：
Special oil of the present invention has excellent insulating properties, high-breakdown-voltage, while has good lubrication, cool down, subtract
The functions such as mill.
Embodiment
In specific implementation process, transmission system of electric automobile special oil of the invention, count in parts by weight, the special oil
Contain：Component A, at least one artificial oil；Component B, at least one viscosity index improver；Component C, at least one extreme-pressure anti-wear
Agent；Component D, at least one metal deactivator；Component E, at least one antioxidant；Component F, at least one dispersant；Component G,
At least one detersive；Component H, at least one anti-foaming agent；Component I, fluorocarbon material；Component J, at least one dressing agent.
The convenient artificial oil of component A, including but not limited to refined mineral oil, alkylbenzene, one kind of alkylnaphthalene or two
More than kind, moisture and other impurity are removed inside artificial oil, to keep special oil that there are excellent insulating properties.Component A exists
Optimum Contents in special oil are 70.7~95.5 parts；
The convenient viscosity index improver of B component is the polymethacrylates of decentralized, or ethylene-propylene copolymer, or it
The mixture that is combined, content be 2~5 parts, its effect is：Oil viscosity and viscosity index (VI) are adjusted, improves lubricating oil
Viscosity temperature characteristic；
The convenient extreme pressure anti-wear additives of component C are phosphorous antiwear additive, specially tricresyl alkaliine, two thio phosphorus of tributyl
More than one or both of acid esters and isooctyl acid phosphate octadecylamine salt, content is 0.1~5 part；The addition of component C will
Ensure special oil while with excellent antiwear performance, the breakdown voltage of special oil is more than 80KV.
The convenient metal deactivator of D components is N, N- diakylaminomethylenes benzotriazole or thiadiazoles alkyl hydrosulfide mistake
More than one or both of hydrogen oxide condensation product, content is 0.1~1 part, and its effect is：Make metal passivation lose catalysis to live
Property；
The convenient antioxidant of component E is DBPC 2,6 ditertiary butyl p cresol, 2,6- di-tert-butylphenols, phenyl-α-naphthylamine, sulphur
For carbamate, amyl group diphenylamines, double dodecyl diphenylamines, double octyl diphenylamines, di-n-octyl aminodithioformic acid
More than one or both of ester and zinc dialkyl dithiophosphate, content is 0.5~5 part；The addition of component E will ensure special
For oil while with superior oxidation resistance energy, special oil breakdown voltage is more than 80KV.
The convenient dispersant of F components is ashless dispersant, specially the poly- isobutyl of polyisobutene succinimide, boronation
One or both of alkene, mono butonediimide, double succimides, macromolecule succimide and boronation succimide with
On, content is 0.5~5 part, and its effect is：Solid pollutant is suspended in colloidal state in oil, prevent greasy filth, paint film and silt
The electrodeposition substances such as slag are on engine components；
The convenient detersive of G components is metal detergent, its component be alkyl monosulfide phenates, alkyl salicylate hydrochlorate and
More than one or both of sulfonic acid calcium salt, it is specifically 0~50mg using TBN (Total Base Number, total base number)
KOH/g sulfoacid calcium, or the sulfoacid calcium that TBN is 140~250mg KOH/g, or the sulfonic acid that TBN is 295~380mg KOH/g
Calcium, or TBN are more than 400mg KOH/g sulfoacid calcium, or neutral calcium sulfonate, or TBN is 200~300mg KOH/g alkyl monosulfides
Phenol calcium, or TBN are 250~300mg KOH/g calcium naphthenates, or the mixture of their any combination, and content is 0.1~5 part；By
The breakdown voltage of special oil can be greatly reduced in the addition of metal detergent, so the addition of G components will make hitting for special oil
Wear voltage and be maintained at more than 80KV.
The convenient anti-foaming agent of H components be one or both of dimethicone, acrylate and composite anti-foam agent with
On, content is 0.1~1.0 part, and its effect is：Suppress oil product foaming tendency in use；
The convenient fluorocarbon material of I components is fluorinated graphene, modified fluorinated graphene and one kind in fluorocarbons or two
More than kind, content is 0.1~0.3 part, and its effect is：Improve greasy property；
The convenient dressing agent of J components is aminated compounds, and content is 1~2 part, and its effect is：Fluorocarbon material is improved to exist
It is scattered in oil product；Preferably, dressing agent is one or both of monoethanolamine, polyethylene glycol ether amines and PolyTHF ether amines
More than；
The transmission system of electric automobile special oil allocated of the present invention have excellent antifoam property, antiwear and friction reduction property,
Oxidation stability, viscosity-temperature characteristics, shear stability and frictional behavior, while there are good insulating properties, special oil breakdown potential
Pressure is more than 80KV, and the breakdown voltage of oil product has the effect of obvious energy-saving and emission-reduction, while have high biography more than 70KV after aging
Efficiency of movement and excellent cooling effect, the electric car power train of a set of lubricating system is shared suitable for mechanical driving part and motor
The lubrication of system.
The preparation method of above-mentioned driving system for electric vehicles special oil is：First the desired amount of artificial oil A is added in proportion
The stainless steel of belt stirrer reconciles in kettle, secondly the desired amount of viscosity index improver B, anti-foaming agent H will be added to tune in proportion
In kettle, it is warming up at 70 DEG C and stirs 3 hours, is cooled at 60 DEG C and adds extreme pressure anti-wear additives C, metal deactivator D, antioxidant
E, dispersant F, detersive G, continue to stir 4 hours at 60 DEG C, to mixture homogeneous transparent.Then fluorine carbon materials are proportionally added into
Expect I and dressing agent J, 20~40h of ball milling, obtain finished product.
In order to screen additive component and special oil, the present invention carries out simulation using tests below method in laboratory and commented
It is fixed：
Dielectric oil dielectrical strength determination method (GB/T507)；
DKA oxidation experiments (CEC L-48)；
Inhibiting mineral oil rust prevention test method (GB/T11143) in the presence of water；
Oil product copper corrosion experimental method (GB/T5096)；
Oil product anti-foaming property determination method (GB/T12579)；
Lubrication oil antiwear performance measurement method (four ball method, SH/T0189)；
The experiment of SAE NO.2 chips is detected using the method shown in GMW16444-2011 appendix Cs,
The experiment of SAE NO.2 belts is detected using the method shown in GMW16444-2011 Appendix D.
In order to preferably evaluate the wear resistance of special oil, the present invention is in laboratory mainly with the erosion simulation examination of MPR microdots
Test and simulation evaluation is carried out to the wear resistance of special oil.
In order to preferably evaluate the frictional behavior of special oil, the present invention is mainly commented in laboratory with SRV frequency variation methods to simulate
The frictional behavior of valency special oil.
Following instance is easy to better understand the present invention, and the invention will be further described, but does not limit the present invention.
Embodiment 1：
In the present embodiment, count, transmission system of electric automobile special oil (I), be formulated by following components in parts by weight：
The refined mineral oil that special oil (II) removes 89.0 parts in component A is substituted by 90.0 parts of alkylbenzene, the poly- first of decentralized
Base acrylate (component B) is 3.0 parts, remaining same special oil (I).
The special oil of table 1 (I) and the main character and performance of (II)
It can be seen that from the experimental result of table 1：
(1) the oxidation stability cryogenic property of refined mineral oil is better than mineral oil；
(2) insulating properties of alkylbenzene are better than mineral oil.
Embodiment 2：
In the present embodiment, count in parts by weight, transmission system of electric automobile special oil (III), by following components preparation
Into：
Special oil (IV) is removed 1.0 parts of zinc dialkyl dithiophosphates in component E and substituted by 1.0 parts of N- phenyl-α-naphthylamines,
Remaining same special oil (III).
The special oil of table 2 (III) and the main character and performance of (IV)
It can be seen that from the experimental result of table 2：Oil product 100 DEG C of kinematic viscosity in oxidation experiment increase and 40 DEG C of motions are viscous
Degree, which increases, all becomes very little, and insoluble matter tails off, colorimetric level step-down, and the increase of special oil breakdown voltage, illustrates N- phenyl-α-naphthalene
Amine is advantageous to increase the oxidation resistance and insulating properties of oil product.
Embodiment 3：
In the present embodiment, count in parts by weight, transmission system of electric automobile special oil (V), by following components preparation
Into：
The analyzing evaluation of special oil (V) the results are shown in Table 3, while is used as and joined by the use of oil from commercially available driving system for electric vehicles
Performance comparison is carried out than oil.
The main character and performance of the special oil of table 3 (V) and reference oil
It can be seen that from the experimental result of table 3：Special oil has more preferable oxidation stability, abrasion resistance, resistant tarnishing
And anti-foaming property, especially there are more excellent insulating properties and frictional behavior, be particularly suited for the lubrication of driving system for electric vehicles.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for the technology of this area
For personnel, still the present invention can be modified for it or equivalent substitution.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (8)
1. a kind of transmission system of electric automobile special oil, it is characterised in that count in parts by weight, the special oil contains：
Wherein, artificial oil is refined mineral oil, alkylbenzene, the one or more of alkylnaphthalene, and viscosity index improver is point
The polymethacrylates or ethylene-propylene copolymer of type are dissipated, extreme pressure anti-wear additives are phosphorous antiwear additive, metal deactivator N, N- dioxane
It is more than one or both of base aminomethylene benzotriazole or thiadiazoles alkyl hydrosulfide hydrogen peroxide condensation product, antioxidant 2,
6- BHTs, 2,6- di-tert-butylphenols, phenyl-α-naphthylamine, thiocarbamate, amyl group diphenylamines, double 12
One kind in alkyl diphenylamine, double octyl diphenylamines, di-n-octyl dithiocarbamate and zinc dialkyl dithiophosphate
Or it is two or more, dispersant is ashless dispersant, and detersive is metal detergent, and anti-foaming agent is dimethicone, acrylate
With more than one or both of composite anti-foam agent, dressing agent is aminated compounds.
2. transmission system of electric automobile special oil according to claim 1, it is characterised in that extreme pressure anti-wear additives are three cresols
It is more than one or both of phosphate, tributyl phosphorodithioate and isooctyl acid phosphate octadecylamine salt.
3. transmission system of electric automobile special oil according to claim 1, it is characterised in that dispersant is polyisobutene fourth
Imidodicarbonic diamide, boronation polyisobutene, mono butonediimide, double succimides, macromolecule succimide and boronation succinyl
It is more than one or both of imines.
4. transmission system of electric automobile special oil according to claim 1, it is characterised in that detersive is sulfenyl phenolate
It is more than one or both of salt, alkyl salicylate hydrochlorate and sulfonic acid calcium salt.
5. transmission system of electric automobile special oil according to claim 1, it is characterised in that detersive use TBN for 0~
50mg KOH/g sulfoacid calcium, or the sulfoacid calcium that TBN is 140~250mg KOH/g, or TBN is 295~380mg KOH/g's
Sulfoacid calcium, or TBN are more than 400mg KOH/g sulfoacid calcium, or neutral calcium sulfonate, or TBN vulcanizes for 200~300mg KOH/g
Alkyl phenol calcium, or TBN are 250~300mg KOH/g calcium naphthenates, or the mixture of their any combination.
6. transmission system of electric automobile special oil according to claim 1, it is characterised in that fluorocarbon material is fluorographite
It is more than one or both of alkene, modified fluorinated graphene and fluorocarbons.
7. transmission system of electric automobile special oil according to claim 1, it is characterised in that dressing agent is monoethanolamine, gathered
It is more than one or both of ethylene glycol ether amines and PolyTHF ether amines.
8. the preparation method of the transmission system of electric automobile special oil described in a kind of one of claim 1 to 7, it is characterised in that
First the desired amount of artificial oil is added in the stainless steel mediation kettle of belt stirrer in proportion, secondly will be the desired amount of viscous in proportion
Degree index improver, anti-foaming agent are added in mediation kettle, are warming up at 65~75 DEG C and are stirred 2~4 hours, are cooled to 50~60 DEG C
Lower addition extreme pressure anti-wear additives, metal deactivator, antioxidant, dispersant, detersive, it is small to continue the stirring 3~5 at 50~60 DEG C
When, to mixture homogeneous transparent；Then fluorocarbon material and dressing agent are proportionally added into, 20~40h of ball milling, obtains finished product.
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Application publication date: 20171226 |