CN110129115A - A kind of graphene lubricating oil and preparation method thereof - Google Patents
A kind of graphene lubricating oil and preparation method thereof Download PDFInfo
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- CN110129115A CN110129115A CN201910507838.2A CN201910507838A CN110129115A CN 110129115 A CN110129115 A CN 110129115A CN 201910507838 A CN201910507838 A CN 201910507838A CN 110129115 A CN110129115 A CN 110129115A
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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
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
-
- 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
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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
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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
- C10M2201/085—Phosphorus oxides, acids or 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
-
- 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
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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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
- C10M2205/163—Paraffin waxes; Petrolatum, e.g. slack wax used as base material
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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
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
- C10M2215/224—Imidazoles
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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
- 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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- 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
- C10N2030/56—Boundary lubrication or thin film lubrication
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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 embodiment of the present invention discloses a kind of graphene lubricating oil, and the graphene lubricating oil is mixed by ionic liquid, graphene and base oil, wherein the mass ratio of the ionic liquid and the base oil is 0.0001%-1%；The mass ratio of the graphene and the base oil is 0.001%-1%.After adding graphene, ionic liquid in lubricating oil in the embodiment of the present invention; since graphene can uniformly and firmly be attached to metal surface; form the film with excellent lubrication and protective value; and graphene itself also has very strong suction-operated to ionic liquid; it is remarkably improved antifriction and the abrasion resistance of lubricating oil, improves the bearing capacity of lubricating oil.
Description
Technical field
The present embodiments relate to lubricating oil preparation technical fields, and in particular to a kind of graphene lubricating oil and its preparation side
Method.
Background technique
The research of tribology has great importance for national economy, faces the resource increasingly sharpened, the energy in the whole world
Under the severe situation of environmental problem, control friction reduces abrasion, improves greasy property and has become energy saving and raw material, contracting
The important measures of short maintenance time.In the case where China carries forward vigorously energy-saving and emission-reduction, establishes the overall situation of sustainable development society, visit
Rope and development effectiveness are excellent, environmental-friendly lubricating oil, for high performance and will industrialize extensive related industry and green
The fields such as manufacture provide reliable solution, effectively facilitate the development of economy and society.
Currently, the development that the rise of nanometer material science is nano lubricating technology brings new opportunity.Wherein, graphene
Due to its excellent physics and chemical property, can be used as excellent lubricating additive can significantly play the effect of antifriction antiwear
Fruit.However the intrinsic π-π effect of graphene makes it be difficult to be distributed in lubrication oil systems, and after chemical reaction is prepared
Graphene there are the property that remaining carboxyl, hydroxy functional group will affect lubricating oil so that the reunion degree of graphite composite powder compared with
Height, reduces the abrasion resistance of lubricating oil, to limit the further processing and application of graphene.Therefore, how one is researched and developed
Kind is using graphene as the novel lubricating system of lubricating additive, and to improve the dispersibility of graphene, abrasion resistance is urgently to be resolved
The technical issues of.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of graphene lubricating oil and preparation method thereof, to solve to moisten in the prior art
The problem of graphene dispersion, wearability, stability difference in lubrication prescription.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
A kind of graphene lubricating oil, the graphene lubricating oil are mixed by ionic liquid, graphene and base oil,
Wherein, the mass ratio of the ionic liquid and the base oil is 0.0001%-1%；
The mass ratio of the graphene and the base oil is 0.001%-1%.
Preferably, the ionic liquid is 1- hexyl -3- methylimidazole hexafluorophosphate, 1- hexyl -3- methylimidazole four
Borofluoride, 1- heptyl -3- methylimidazole hexafluorophosphate, 1- heptyl -3- methyl imidazolium tetrafluoroborate, 1- octyl -3- first
Base limidazolium hexafluorophosphate, 1- hexyl -2,3- methyl imidazolium tetrafluoroborate, 1- hexyl -2,3- methylimidazole hexafluorophosphate,
One in 1- hexyl -3- methylimidazole bis-trifluoromethylsulfoandimide salt, 1- octyl -3- methylimidazole bis-trifluoromethylsulfoandimide salt
Kind is several.
Preferably, the base oil is mineral base oil, synthetic base oil or plant oil base oil.
Preferably, the graphene is one or more of single-layer graphene, bilayer graphene, few layer graphene.
The embodiment of the present invention also provides a kind of preparation method of graphene lubricating oil comprising following steps:
Ionic liquid, graphene and base oil is taken to be mixed to form oily mixture according to claim 1 ratio, and by institute
State the process of mixture ultrasonic treatment 10-180min.
Preferably, in the ultrasonic treatment, use the power of Ultrasonic Cell Disruptor for 100W-2000W, ultrasonic temperature 20-
80℃。
In the embodiment of the present invention, ionic liquid is used as dispersing agent, has the characteristics that high thermal stability, low melting point.
If using as lubricant additive, better anti-attrition and wear resistance can be shown.In addition, ionic liquid alkyl chain
Long increase can be conducive to graphene and disperse in organic solvent, and ionic liquid is acted on by π-π and cation-π effect doping
Into between graphene sheet layer, not only effectively graphene can be prevented to reunite, but also its stronger polarity increases entire lubricant body
The dispersibility of system.
In the embodiment of the present invention, base oil is specifically as follows mineral oil, turbine oil, atoleine or polyalphaolefin.
The embodiment of the present invention has the advantages that
After adding graphene, ionic liquid in lubricating oil in the embodiment of the present invention, since graphene can be uniformly and firm
It is attached to metal surface firmly, forms the film with excellent lubrication and protective value, and graphene itself is to ionic liquid
There is very strong suction-operated, is remarkably improved antifriction and the abrasion resistance of lubricating oil, improves the bearing capacity of lubricating oil；The present invention
In embodiment, ionic liquid special molecular structure can be doped in graphene sheet layer, be conducive to further increase graphene
Dispersibility significantly enhances graphene dispersion stabilization in lubricating oil, solves current graphene and disperses in base oil
Difficult, stability difference problem；The lubricating oil of the embodiment of the present invention establishes graphene green lubrication mode, to explore and developing lubrication
The more excellent environmentally friendly lubricant of effect provides reliable lubrication solution, effectively facilitates economy and society development.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
0.0025g 1- octyl -3- methylimidazole hexafluorophosphate and 0.01g graphene is taken to be added to 100g turbine oil
In, magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 60min, obtains graphene lubricating oil under 600W.Energy under the action of ultrasound
The degree that graphene powder is reunited enough is reduced, and abrasion resistance is greatly improved.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 1500 revolutions per seconds in revolving speed, load is under 40N, and the coefficient of friction of lubricating oil is 0.1191, than
The coefficient of friction reduction by 19.42% of base oil, Zeta potential 23.54, and sedimentation is not still generated after placing 25 days, illustrate have
There is good dispersion stabilization.
Embodiment 2
0.1g 1- octyl -3- methylimidazole hexafluorophosphate and 0.075g graphene is taken to be added into 100g turbine oil,
Magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 40min, obtains graphene lubricating oil under 800W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 1500 revolutions per seconds in revolving speed, load is under 80N, and the coefficient of friction of graphene lubricating oil is
0.1249, than base oil coefficient of friction reduce by 15.49%, Zeta potential 29.54, and place 26 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 3
0.0001g 1- hexyl -3- methyl imidazolium tetrafluoroborate and 0.01g graphene is taken to be added to 100g turbine oil
In, magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 90min, obtains graphene lubricating oil under 700W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 500 revolutions per seconds in revolving speed, load is under 80N, and the coefficient of friction of graphene lubricating oil is
0.0998, than base oil coefficient of friction reduce by 31.45%, Zeta potential 21.89, and place 21 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 4
0.001g 1- octyl -3- methylimidazole bis-trifluoromethylsulfoandimide salt and 1g graphene is taken to be added to 100g turbine
In machine oil, magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 120min, obtains graphene lubricating oil under 400W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 3000 revolutions per seconds in revolving speed, load is under 40N, and the coefficient of friction of graphene lubricating oil is
0.078, than base oil coefficient of friction reduce by 29.42%, Zeta potential 13.54, and place 14 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 5
0.1g 1- octyl -3- methylimidazole hexafluorophosphate and 0.05g graphene is taken to be added into 100g turbine oil,
Magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 180min, obtains graphene lubricating oil under 100W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 2000 revolutions per seconds in revolving speed, load is under 100N, and the coefficient of friction of graphene lubricating oil is
0.0887, than base oil coefficient of friction reduce by 24.42%, Zeta potential 20.12, and place 20 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 6
0.1g 1- hexyl -2,3- methyl imidazolium tetrafluoroborate and 0.05g graphene is taken to be added to 100g turbine oil
In, magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 10min, obtains graphene lubricating oil under 1000W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 1000 revolutions per seconds in revolving speed, load is under 200N, and the coefficient of friction of graphene lubricating oil is
0.0691, than base oil coefficient of friction reduce by 19.42%, Zeta potential 19.99, and place 18 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 7
0.1g 1- octyl -3- methylimidazole hexafluorophosphate and 0.05g graphene is taken to be added into 100g mineral oil,
Magnetic agitation is placed in Ultrasonic Cell Disruptor, and ultrasound 10min, obtains graphene lubricating oil under 1000W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 1000 revolutions per seconds in revolving speed, load is under 200N, and the coefficient of friction of graphene lubricating oil is
0.0551, than base oil coefficient of friction reduce by 16.42%, Zeta potential 12.99, and place 18 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 8
1g 1- heptyl -3- methyl imidazolium tetrafluoroborate and 0.05g graphene is taken to be added into 100g atoleine, magnetic
Power stirring is placed in Ultrasonic Cell Disruptor, and ultrasound 10min, obtains graphene lubricating oil under 1000W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 500 revolutions per seconds in revolving speed, load is under 200N, and the coefficient of friction of graphene lubricating oil is
0.0821, than base oil coefficient of friction reduce by 14.42%, Zeta potential 17.92, and place 15 days after still do not generate it is heavy
Drop illustrates there is good dispersion stabilization.
Embodiment 9
1g 1- heptyl -3- methylimidazole hexafluorophosphate and 1g graphene is taken to be added into 100g polyalphaolefin, magnetic force stirs
It mixes and is placed in Ultrasonic Cell Disruptor, ultrasound 10min, obtains graphene lubricating oil under 1000W.
Using multifunction friction wear testing machine, it is that friction is secondary with silicon nitride ceramic ball and bearing steel, graphene is lubricated
Oil is tested.The result shows that being 1000 revolutions per seconds in revolving speed, load is under 100N, and the coefficient of friction of lubricating oil is 0.1361,
Than the coefficient of friction reduction by 18.11% of base oil, Zeta potential 14.12, and sedimentation, explanation are not still generated after placing 11 days
With good dispersion stabilization.
Comparative example 1
0.0025g 1- octyl -3- methylimidazole hexafluorophosphate and 0.01g graphene is taken to be added to 100g turbine oil
In, after magnetic agitation, obtain graphene lubricating oil.Using multifunction friction wear testing machine, with silicon nitride ceramic ball and bearing
Steel is that friction is secondary, is tested graphene lubricating oil.The result shows that being 1500 revolutions per seconds in revolving speed, load is graphite under 40N
The coefficient of friction of alkene lubricating oil is 0.1214, than the coefficient of friction reduction by 18.15 of base oil, Zeta potential 20.11, and is placed
Still sedimentation is not generated after 20 days.
Comparative example 2
0.1g 1- octyl -3- methylimidazole hexafluorophosphate and 0.075g graphene is taken to be added into 100g turbine oil,
After magnetic agitation, graphene lubricating oil is obtained.Using multifunction friction wear testing machine, it is with silicon nitride ceramic ball and bearing steel
Friction is secondary, tests graphene lubricating oil.The result shows that being 1500 revolutions per seconds in revolving speed, load is graphene profit under 80N
The coefficient of friction of lubricating oil is 0.1389, than the coefficient of friction reduction by 13.20% of base oil, Zeta potential 20.68, and places 19
Still sedimentation is not generated after it.
Comparative example 3
It takes 0.01g graphene to be added into 100g turbine oil, graphene lubricating oil is obtained after magnetic agitation.Using more function
Energy friction wear testing machine is that friction is secondary with silicon nitride ceramic ball and bearing steel, tests graphene lubricating oil.As a result table
It is bright, it is 1500 revolutions per seconds in revolving speed, load is under 40N, and the coefficient of friction of graphene lubricating oil is 0.1578, than rubbing for base oil
Coefficient reduction by 12.04%, Zeta potential 10.25 are wiped, and generates sedimentation after placing 5 days, illustrates that dispersion stabilization is bad.
Test example
Graphene lubricating oil prepared by the method for embodiment 1- embodiment 3, the graphite prepared with the method for comparative example 1-3
Alkene lubricating oil is compared, as shown in table 1.
Table 1
As shown in Table 1,1-3 of the embodiment of the present invention is compared with comparative example 1-3 it is found that the graphene of preparation of the embodiment of the present invention
Lubricating oil good dispersion, stability are good.By embodiment 1 it is found that the graphene of the preparation of the embodiment of the present invention compared with comparative example 1
Friction coefficient of lubricating oil value is smaller.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (6)
1. a kind of graphene lubricating oil, which is characterized in that the graphene lubricating oil is by ionic liquid, graphene and base oil
It mixes, wherein the mass ratio of the ionic liquid and the base oil is 0.0001%-1%；
The mass ratio of the graphene and the base oil is 0.001%-1%.
2. graphene lubricating oil as described in claim 1, which is characterized in that
The ionic liquid is 1- hexyl -3- methylimidazole hexafluorophosphate, 1- hexyl -3- methyl imidazolium tetrafluoroborate, 1-
Heptyl -3- methylimidazole hexafluorophosphate, 1- heptyl -3- methyl imidazolium tetrafluoroborate, 1- octyl -3- methylimidazole hexafluoro phosphorus
Hydrochlorate, 1- hexyl -2,3- methyl imidazolium tetrafluoroborate, 1- hexyl -2,3- methylimidazole hexafluorophosphate, 1- hexyl -3- first
One or more of base imidazoles bis-trifluoromethylsulfoandimide salt, 1- octyl -3- methylimidazole bis-trifluoromethylsulfoandimide salt.
3. graphene lubricating oil as described in claim 1, which is characterized in that
The base oil is mineral base oil, synthetic base oil or plant oil base oil.
4. graphene lubricating oil as described in claim 1, which is characterized in that
The graphene is one or more of single-layer graphene, bilayer graphene, few layer graphene.
5. a kind of preparation method of graphene lubricating oil, it is characterised in that the following steps are included:
Ionic liquid, graphene and base oil is taken to be mixed to form oily mixture according to claim 1 ratio, and will be described mixed
Close the process of object ultrasonic treatment 10-180min.
6. the preparation method of graphene lubricating oil as claimed in claim 5, which is characterized in that
In the ultrasonic treatment, use the power of Ultrasonic Cell Disruptor for 100W-2000W, ultrasonic temperature is 20-80 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835575A (en) * | 2019-09-14 | 2020-02-25 | 苏州东能达石墨烯科技有限公司 | Graphene engine oil antiwear agent and preparation method thereof |
| CN110923050A (en) * | 2019-09-14 | 2020-03-27 | 苏州东能达石墨烯科技有限公司 | High-temperature-resistant high-dispersity edge graphene oxide nano-microchip lubricating grease |
| CN115477972A (en) * | 2022-09-15 | 2022-12-16 | 天津路博润石油化工科技有限公司 | Preparation method and application of lubricating oil additive for engine |
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