CN106118826A - Modified graphene lubricating oil of polymolecularity and high-affinity and preparation method thereof - Google Patents
Modified graphene lubricating oil of polymolecularity and high-affinity and preparation method thereof Download PDFInfo
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- CN106118826A CN106118826A CN201610532234.XA CN201610532234A CN106118826A CN 106118826 A CN106118826 A CN 106118826A CN 201610532234 A CN201610532234 A CN 201610532234A CN 106118826 A CN106118826 A CN 106118826A
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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
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- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
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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
- 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
- C10M2209/082—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 monocarboxylic
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- 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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- 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
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- 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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- 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
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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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/065—Organic compounds derived from inorganic acids or metal salts derived from Ti or Zr
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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
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2290/00—Mixtures of base materials or thickeners or additives
- C10M2290/02—Mineral base oils; Mixtures of fractions
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- 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
- C10M2290/00—Mixtures of base materials or thickeners or additives
- C10M2290/04—Synthetic base oils
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- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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Abstract
Modified graphene lubricating oil that the present invention relates to a kind of polymolecularity and high-affinity and preparation method thereof, this lubricating oil includes: modified graphene, dispersant, affinity agent, anti-foaming agent, preservative, base oil, and wherein modified graphene is calculated as 0.3～1.5 part by weight；Its preparation method comprises the steps: that modified graphene, dispersant, affinity agent, anti-foaming agent, preservative are added step-wise in base oil by (1), stirs；(2) it is stirred while the mixture of step (1) gained being carried out sonic oscillation.In the lubricating oil of the present invention, modified graphene is uniformly dispersed, and can realize the antiwear and antifriction effect of excellence, make lubricating oil have good mechanically protecting and splendid stability and non-oxidizability.
Description
Technical field
The invention belongs to new high-tech material and application thereof, be specifically related to the modified stone of a kind of polymolecularity and high-affinity
Ink alkene lubricating oil and preparation method thereof.
Background technology
Friction phenomenon is widely present in mechanical movement, causes the reduction of the energy loss of machine, efficiency, temperature to raise, make
Surface abrasion, hydraulic performance decline, and the lost of life, in the machinery lost efficacy, about 75% is owing to the abrasion of friction pair is made
Become, the material consumption that the energy loss that friction causes causes with abrasion, cause massive losses economically.Lubricating oil is effective
Slow down one of important means of component of machine fretting wear, it is adaptable to all kinds automobile, plant equipment, there is lubrication, cold
But, antirust, seal and the effect such as buffering.Lubricating oil is typically made up of base oil and additive two parts.Base oil is lubricating oil
Main component, decide the fundamental property of lubricating oil, current base oil (be broadly divided into mineral base oil, synthetic base oil and
Plant base oil three major types) be substantially and be made up of Organic substance, heat conductivity is the lowest, due to friction be one the most violent
Motion, the High Temperature High Pressure that period produces produces large effect to the physicochemical property of lubricating oil.In order to make up this defect, logical
Mode frequently with lubricating additive improves lubrication and the abrasion resistance of lubricating oil, reducing friction resistance, prolonged mechanical parts
Service life.
In recent years, along with deepening continuously of Graphene research, Graphene and the preparation of derivant thereof and application technology obtain
Significant progress, owing to Graphene and derivant thereof have superpower self-healing properties, abrasion resistance and thermal diffusivity, as adding
Add agent to join and lubricating oil can well overcome conventional lubrication oil to reduce the Chemical Officer in terms of friction sex-limited, have very
Wide application prospect.But, owing to Graphene and derivatives chemical stability thereof are high, the inert state in surface, it is situated between with other
Matter interacts more weak, and each interlayer of Graphene exists the strongest intermolecular force, causes lamella to be easily stacked
And be difficult to spread out, so its dispersibility in lubricating oil and steady point are determined problem and are not the most obtained satisfactory solution.
Therefore, necessary this aspect is furtherd investigate, Graphene is carried out rational modification, selects properly to join
Ratio, is allowed to adapt to the requirements of lubricating oil.
Summary of the invention
In view of this, it is an object of the invention to (1) provides the modified graphene of a kind of polymolecularity and high-affinity to moisten
Lubricating oil；(2) preparation method of the modified graphene lubricating oil of a kind of polymolecularity and high-affinity is provided.
For reaching above-mentioned purpose, the present invention provides following technical scheme:
1, the modified graphene lubricating oil of polymolecularity and high-affinity, includes following component by weight: modified stone
Ink alkene 0.3～1.5 parts, dispersant 0.5～1 part, affinity agent 0.8～1.5 parts, anti-foaming agent 0.2～0.6 part, preservative 1～10
Part, base oil 100 parts.
Further, described modified graphene be surface with polyoxypropylene base, long-chain perfluoroalkyl, polysiloxane group, contain
Have double bond alkyl, containing aryl, ester, ether, amine, amide group alkyl in the graphene oxide of at least one.
Further, during described dispersant is stearic acid, dodecylbenzene sodium sulfonate, fatty glyceride, quaternary ammonium compound
At least one.
Further, described affinity agent is titanate coupling agent, zirconium ester coupling agent, aluminate coupling agent, aluminum-zirconium acid esters idol
One in connection agent, aluminium titanium composite coupler.
Further, during described anti-foaming agent is dimethicone, acrylate-alkyl acrylate copolymer at least one.
Further, described preservative be sulfur phosphorus alkyl phenol zinc salt, sulfur phosphorus fourth octyl group zinc salt, the double octyl group basic zinc salt of sulfur phosphorus,
At least one in sulfur phosphorus dialkyl group zinc salt.
Further, at least one during described base oil is mineral base oil, synthetic base oil and vegetable oil base oil.
2, the preparation method of the modified graphene lubricating oil of above-mentioned polymolecularity and high-affinity is prepared, including walking as follows
Rapid:
(1) modified graphene, dispersant, affinity agent, anti-foaming agent, preservative being added step-wise in base oil, stirring is all
Even；
(2) mixture to step (1) gained is stirred while carrying out sonic oscillation.
Further, in step (1), described stir speed (S.S.) is 1000r/min, and the time is 0.5h.
Further, in step (2), being stirred while described sonic oscillation, the time is 1～2h；Described supersonic frequency
For 20kHz～1MHz, power is 200～500W；Described stir speed (S.S.) is 250～350r/min.
The beneficial effects of the present invention is: the invention provides the modified graphene profit of a kind of polymolecularity and high-affinity
Lubricating oil and preparation method thereof, wherein, modified graphene has the two-dimensional structure of uniqueness so that it is has outstanding wearability, passes through
Polyoxypropylene base, long-chain perfluoroalkyl, polysiloxane group, alkyl containing double bond, containing aryl, ester, ether, amine, amide group
Alkyl in after at least one base group modification, reach the effect of valency electron, the active force of each interlayer of graphene oxide reduces,
Under common effect that is ultrasonic and that stir, other small-molecule substance is easier to enter between lamella, makes lamella be difficult to stack, improves
Its dispersibility in lubricating oil, makes lubricating oil have the greasy property of excellence, and wherein, the common effect of ultrasonic and stirring is all right
Improve its microcosmic composite rate further, improve lubrication oil antiwear antifriction performance and the protective value to machinery.Modified graphene
Can be stable, the most oxidizable, thermal diffusivity is good, adds in lubricating oil as additive, it is possible to reduce the use of other additive, makes profit
Lubricating oil performance is more stable.The addition of affinity agent, makes modified graphene be easier to adhere to metal surface, due to modified graphene
Molecule particles the least, when it can rub between component of machine produce ball effect, sliding friction become rolling
Dynamic friction, can also improve the mechanically protecting of lubricating oil floating for place irregular on parts as putty simultaneously
Energy.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect clearer, the present invention provides drawings described below to carry out
Illustrate:
Fig. 1 is comparative example and each embodiment variations in temperature oscillogram in use；
Fig. 2 is comparative example and each embodiment frictional resistance oscillogram in use；
Fig. 3 is comparative example and each embodiment coefficient of friction oscillogram in use；
Fig. 4 is comparative example and each embodiment volatilization oscillogram in use.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1
The graphene oxide 0.3 part of polyoxypropylene base of learning from else's experience amendment, fatty glyceride 0.5 part, Lü Zuqian
0.8 part, acrylate-alkyl acrylate copolymer 0.2 part, the double octyl group basic zinc salt 1 part of sulfur phosphorus, it is added step-wise to 100 parts
In synthetic base oil, high-speed stirred 0.5h under the conditions of 1000r/min, then be 20kHz by the mixture of gained in supersonic frequency,
Power is to be stirred with 250r/min while sonic oscillation under conditions of 200W, and the time is 1h.
Embodiment 2
The graphene oxide 1 part that long-chain perfluoroalkyl of learning from else's experience is modified, fatty glyceride 0.6 part, Lü Zuqian
1 part, acrylate-alkyl acrylate copolymer 0.3 part, the double octyl group basic zinc salt 3 parts of sulfur phosphorus, it is added step-wise to 100 parts of conjunctions
Become in base oil, high-speed stirred 0.5h under the conditions of 1000r/min, then be 100kHz by the mixture of gained in supersonic frequency,
Power is to be stirred with 250r/min while sonic oscillation under conditions of 300W, and the time is 1.5h.
Embodiment 3
The graphene oxide 5 parts that polysiloxane group of learning from else's experience is modified, fatty glyceride 0.7 part, Lü Zuqian
1.2 parts, dimethicone 0.4 part, the double octyl group basic zinc salt 5 parts of sulfur phosphorus, it is added step-wise in 100 parts of synthetic base oils,
High-speed stirred 0.5h under the conditions of 1000r/min, then be 400kHz by the mixture of gained in supersonic frequency, power is the bar of 400W
Being stirred with 300r/min while sonic oscillation under part, the time is 1.5h.
Embodiment 4
The graphene oxide 10 parts that the alkyl containing double bond of learning from else's experience is modified, fatty glyceride 0.8 part, aluminum-zirconium acid esters is even
Connection agent 1.4 parts, acrylate-alkyl acrylate copolymer 0.5 part, the double octyl group basic zinc salt 7 parts of sulfur phosphorus, it is added step-wise to
In 100 parts of synthetic base oils, high-speed stirred 0.5h under the conditions of 1000r/min, then by the mixture of gained in supersonic frequency be
700kHz, power is to be stirred with 300r/min while sonic oscillation under conditions of 450W, and the time is 2h.
Embodiment 5
The graphene oxide 15 parts that the alkyl containing aromatic yl group of learning from else's experience is modified, fatty glyceride 1 part, aluminum-zirconium acid esters
Coupling agent 1.5 parts, dimethicone 0.6 part, the double octyl group basic zinc salt 10 parts of sulfur phosphorus, it is added step-wise to 100 parts of synthetic base oils
In, high-speed stirred 0.5h under the conditions of 1000r/min, then be 1MHz by the mixture of gained in supersonic frequency, power is 500W
Under conditions of be stirred with 350r/min while sonic oscillation, the time is 2h.
Comparative example
Take graphene oxide 15 parts, fatty glyceride 1 part, dimethicone 0.6 part, Lü Zuqian 1.5
Part, the double octyl group basic zinc salt 10 parts of sulfur phosphorus, it is added step-wise in 100 parts of synthetic base oils, high-speed stirring under the conditions of 1000r/min
Mix 0.5h, then be 1MHz by the mixture of gained in supersonic frequency, power be under conditions of 500W while sonic oscillation with
350r/min is stirred, and the time is 2h.
In above-described embodiment, dispersant is except using fatty glyceride, it is also possible to use stearic acid, detergent alkylate sulphur
Acid sodium, quaternary ammonium compound, all can realize dispersion effect；Affinity agent is except using Lü Zuqian, it is also possible to use metatitanic acid
Ester coupling agent, zirconium ester coupling agent, aluminate coupling agent, aluminium titanium composite coupler, all can realize identical effect；Preservative removes
The double octyl group basic zinc salt of use sulfur phosphorus, it is also possible to use sulfur phosphorus alkyl phenol zinc salt, sulfur phosphorus fourth octyl group zinc salt, sulfur phosphorus dialkyl group zinc
Salt, all can realize antiseptic effect；Base oil is except using synthetic base oil, it is also possible to use mineral base oil and plant oil base
Plinth oil.
Test the pour point of lubricating oil, flash-point in above-mentioned comparative example and embodiment respectively, the results are shown in Table 1:
Table 1 pour point, flash-point statistical table
As shown in Table 1, the pour point of embodiment 1～5 is below the pour point of comparative example, and along with lubricating oil goes valency electricity
The increase pour point temperature of sub-modified graphene content tapers into, and illustrates at relatively low temperature, and the mobility of embodiment 1～5 is equal
Higher than comparative example, and going valency electron modified graphene content the highest in lubricating oil, lubricating oil just can be at a temperature of the lowest
Use.It addition, the flash-point of embodiment 1～5 is above the flash-point of comparative example, and along with lubricating oil goes valency electron modification stone
The increase flash temperature of ink alkene content becomes larger, and illustrates to go valency electron modified graphene content the highest in lubricating oil, lubricating oil
Just can use at relatively high temperatures.
Test the Zeta potential value of lubricating oil in above-mentioned comparative example and embodiment respectively, the results are shown in Table 2:
Table 2Zeta potential value statistical table
As shown in Table 2, the Zeta potential value of embodiment 1～5 is above the Zeta potential value of comparative example, and along with profit
The increase Zeta potential value removing valency electron modified graphene content in lubricating oil becomes larger, due to Zeta potential value be to granule it
Between the tolerance of intensity of mutually exclusive or captivation, at Zeta potential more than+30mV positive electricity or less than the particle of-30mV negative electricity,
Be commonly referred to be steady point, and system is the most stable, then Dispersion of Solute Matter is the best, illustrates along with removing valency electron modification stone in lubricating oil
The increase of ink alkene content, lubricating oil system is the most stable.
Fig. 1 is comparative example and each embodiment variations in temperature oscillogram in use, and embodiment is to use
The temperature in each stage in journey, during detection, coefficient of friction is the biggest, and the temperature of generation is the highest；Coefficient of friction is the least, produces
Raw temperature is the lowest.It can be seen that comparative example's temperature increases along with the increase of the time of use, within 13 minutes, just reach
To the high temperature of 150 DEG C, and the temperature of embodiment 1～5 tends towards stability after being slowly increased along with the increase of the time of use, meanwhile,
Along with the increase temperature removing valency electron modified graphene content in lubricating oil tapers into, the temperature reached at 20 minutes is respectively
123 DEG C, 120 DEG C, 118 DEG C, 114 DEG C, 103 DEG C, it is seen that go the greasy property of valency electron modified graphene lubricating oil higher than without
Remove valency electron modified graphene lubricating oil.
Fig. 2 is comparative example and each embodiment frictional resistance oscillogram in use, intuitively embodies contrast
Embodiment and the resistance coefficients of each time phase of each embodiment, the greasy property of lubricating oil its resistance the best is the least, sends out
Motivation power per liter will be the strongest；Otherwise resistance is the biggest, power per liter will reduce, and power will reduce, and oil consumption will increase.From figure
In it can be seen that comparative example's frictional resistance is along with using the increase of time to become big, on the contrary, the friction resistance of embodiment 1～5
Power diminishes along with the increase of the time of use, subtracts along with the increase removing valency electron modified graphene content in lubricating oil simultaneously
Little.The mechanical movement resistance removing valency electron modified graphene is the least, embodies the energy-efficient performance of its excellence.
Fig. 3 is comparative example and each embodiment coefficient of friction oscillogram in use, embodies contrast and implements
Example and the coefficient of friction of each time phase of each embodiment, coefficient of friction is the biggest, and the abrasion of electromotor is the biggest, and service life is more
Short, on the contrary coefficient of friction is the least, and service life is the longest.It can be seen that the coefficient of friction of comparative example is along with the time
Increase become larger after tend towards stability, when 13 minutes, its coefficient of friction reached 0.149 μ, and the friction of embodiment 1～5
Coefficient increases over time after tapering into and tends towards stability, along with the increase removing valency electron modified graphene content in lubricating oil
Coefficient of friction tapers into, when 15 minutes its coefficient of friction be respectively 0.1444 μ, 0.1436 μ, 0.1426 μ, 0.1419 μ,
0.141 μ, it is seen that go the greasy property of valency electron modified graphene lubricating oil higher than without going valency electron modified graphene to lubricate
Oil.
Fig. 4 is comparative example and each embodiment volatilization oscillogram in use, intuitively embodies contrast and implements
Example and the volatilization value of each time phase of each embodiment, the volatilization value of lubricating oil is the highest, the greasy filth carbon distribution that engine interior produces
Will be the most, the consumption of lubricating oil will be the most.It can be seen that comparative example's volatilization value is along with the increasing of the time of use
Adding and become big, on the contrary, the volatilization value of embodiment 1～5 is slowly increased along with the increase of the time of use, tends to steady after 10 minutes
Fixed, reduce along with the increase removing valency electron modified graphene content in lubricating oil, it is seen that remove valency electron modified graphene simultaneously
The energy-efficient performance of lubricating oil is higher than without removing valency electron modified graphene lubricating oil.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted, although logical
Cross above preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be
In form and it is made various change, without departing from claims of the present invention limited range in details.
Claims (10)
1. the modified graphene lubricating oil of polymolecularity and high-affinity, it is characterised in that: include following component by weight:
Modified graphene 0.3～1.5 parts, dispersant 0.5～1 part, affinity agent 0.8～1.5 parts, anti-foaming agent 0.2～0.6 part, preservative 1
～10 parts, base oil 100 parts.
The modified graphene lubricating oil of polymolecularity the most according to claim 1 and high-affinity, it is characterised in that described
Modified graphene be surface with polyoxypropylene base, long-chain perfluoroalkyl, polysiloxane group, alkyl containing double bond, containing virtue
Base, ester, ether, amine, amide group alkyl in the graphene oxide of at least one.
The modified graphene lubricating oil of polymolecularity the most according to claim 1 and high-affinity, it is characterised in that described
Dispersant is at least one in stearic acid, dodecylbenzene sodium sulfonate, fatty glyceride, quaternary ammonium compound.
The modified graphene lubricating oil of polymolecularity the most according to claim 1 and high-affinity, it is characterised in that described
Affinity agent is titanate coupling agent, zirconium ester coupling agent, aluminate coupling agent, Lü Zuqian, aluminium titanium composite coupler
Middle one.
The modified graphene lubricating oil of polymolecularity the most according to claim 1 and high-affinity, it is characterised in that described
Anti-foaming agent is at least one in dimethicone, acrylate-alkyl acrylate copolymer.
The modified graphene lubricating oil of polymolecularity the most according to claim 1 and high-affinity, it is characterised in that described
Preservative be in sulfur phosphorus alkyl phenol zinc salt, sulfur phosphorus fourth octyl group zinc salt, sulfur phosphorus double octyl group basic zinc salt, sulfur phosphorus dialkyl group zinc salt extremely
Few one.
The modified graphene lubricating oil of polymolecularity the most according to claim 1 and high-affinity, it is characterised in that described
Base oil is at least one in mineral base oil, synthetic base oil and vegetable oil base oil.
8. prepare the modified graphene lubricating oil of the polymolecularity as described in the arbitrary requirement of claim 1～7 and high-affinity
Preparation method, it is characterised in that comprise the steps:
(1) modified graphene, dispersant, affinity agent, anti-foaming agent, preservative are added step-wise in base oil, stir；
(2) mixture to step (1) gained is stirred while carrying out sonic oscillation.
The preparation method of the modified graphene lubricating oil of polymolecularity the most according to claim 8 and high-affinity, it is special
Levying and be, in step (1), described stir speed (S.S.) is 1000r/min, and the time is 0.5h.
The preparation method of the modified graphene lubricating oil of polymolecularity the most according to claim 8 and high-affinity, it is special
Levying and be, in step (2), be stirred while described sonic oscillation, the time is 1～2h；Described supersonic frequency be 20kHz～
1MHz, power is 200～500W；Described stir speed (S.S.) is 250～350r/min.
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