CN106811267A - Graphene modified HMW ashless dispersant, its preparation method and application - Google Patents
Graphene modified HMW ashless dispersant, its preparation method and application Download PDFInfo
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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
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/02—Carbon; Graphite
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—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
- C10M145/16—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 polycarboxylic
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
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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
- 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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- 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
- C10M2209/086—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 polycarboxylic, e.g. maleic acid
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
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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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- 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
- C10N2030/02—Pour-point; Viscosity index
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
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- 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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Abstract
The invention discloses graphene modified HMW ashless dispersant, its preparation method and application, mainly formed with HMW succinyl oxide and/or HMW succinimide dispersants hybrid reaction by grapheme material.The present invention forms graphene modified HMW ashless dispersant by the way that Graphene is mixed with HMW ashless dispersant, dispersion stabilization of the Graphene in lubricating oil can be greatly improved, and the graphene modified one multiple-effect of HMW ashless dispersant for being formed, the species of additive can be reduced, have peptizaiton and anti-oxidant concurrently, it is wear-resistant to wait effect, particularly when lubricant oil composite is applied to, there is good compatibility and cooperative effect with other lube oil additives, for example having with zinc dialkyl dithiophosphate well cooperate with antiwear and antifriction to act on, having with boron-containing compound and/or molybdate compound well cooperate with wear-resistant effect.
Description
Technical field
The invention belongs to chemical field, it is related to a kind of ashless dispersant, more particularly to a kind of graphene modified HMW
Ashless dispersant, its preparation method and application.
Background technology
With the fast development of modern industry, the lubricating oil that people are used plant equipment such as vehicle motor, internal combustion engines
Performance requirement more and more higher, such as during internal combustion engine operation, the use of lubricating oil can form paint film, greasy filth and carbon deposit,
The problems such as so as to cause the blocking of oil circuit and filter screen, the abrasion of piston and piston ring to bond, influence the service life of internal combustion engine.For
These problems are solved, it is necessary to add in lubricating oil the method for dispersant, viscosity index improver and antiwear and reducing friction agent to reach
The purpose of carbon deposit and greasy filth generation is prevented, so as to extend the oil draining period, save energy and economic expenditure.In addition with GF-5 standards
Implement and GF-6 standards will be implemented, tightened up requirement is proposed to economy fuel oil.
Graphene（Graphene, abbreviation GE）The two-dimensional material of low-surface-energy, be single-layer graphene, bilayer graphene and
Few layer（3-10 layers）The general designation of Graphene.Graphene has excellent nontoxic, chemical property, excellent lubricating properties, mechanical strength big
The features such as, and metal surface can be firmly attached to, so can be used to replace the thin solid film for reducing surface adhesion and friction
Layer material.Research discovery, adds appropriate Graphene not only to reduce coefficient of friction in lubricating additive, and can be by rubbing
The form for wiping adsorbed film significantly improves the carrying abrasion resistance of lubricant.Graphene has good barrier to gas, liquid simultaneously
Can, so can effectively reduce the corrosion and oxidation of rubbing surface.But Graphene easily produces agglomeration in lubricating oil and water, from
And have impact on its dispersion stabilization in lubricating oil and water equal solvent.
To solve dispersion stabilization of the Graphene in lubricating oil, conventional method is to use micromolecular compound to pass through thing
Reason or chemical method modified graphene.CN104711077A, CN104342236A, CN104726186A, CN103725046A are public
Open and Graphene, small molecule dispersant and solvent have been passed through into physical method（Such as ultrasonic disperse）It is made graphene dispersing solution.But
Small molecule dispersant addition is often larger, and up to more than 10 times of Graphene quality, the method adds Graphene to lubrication in addition
It is limited that the wear-resistant and antifriction of oil improves performance improvement.CN104031716A, CN103289802A, CN104762122A are disclosed
The surface of Graphene carries out chemical modification and is made the composite lube additive containing surfaction layer graphene.Document 1
（Journal of Materials Chemistry, 22 (39): 21032-21039, 2012.）Disclose using containing C8,
The amine modified graphene of C12, C18, then add it to lubricating oil, its wear scar diameter is down to about 0.65mm from 0.7mm.Document
2（Journal of Physics D-Applied Physics, 44 (20): 2011.）Report using oleic acid modified graphite
Alkene, then add it to lubricating oil, its coefficient of friction reduces 17%, wear scar diameter reduces 14%.But by small molecule-modified
Agent is modified meeting in being added to lubricating oil to Graphene be had an impact to other performances of lubricating oil.
On the other hand, current high molecular weight polyisobutylene succinimide dispersant（polyPIBSI）Due in its structure
Both contain oil-soluble PIB, while increased nitrogen content, make such compound while having excellent high/low temperature dispersive property,
Other PIB and MA is copolymerized and increases molecular weight, so that such compound has had the effect of viscosity index improver concurrently again.Cause
This high molecular ashless dispersant is greatly improved its thermal stability and high temperature while good low temperature dispersive property is kept
Cleansing performance, can also use as viscosity index improver, be the development trend of dispersant from now on.One multiple-effect is ashless in addition
Dispersant can reduce the species of additive, not only peptizaiton, also with the effect such as anti-oxidant, wear-resistant.But yet there are no
Either physically or chemically it is modified to improve Graphene in lubricating oil using Graphene and HMW ashless dispersant
Dispersion stabilization.
The content of the invention
It is a primary object of the present invention to provide a kind of graphene modified HMW ashless dispersant, its preparation method and
Using to overcome wear-resistant and antifriction of the prior art Graphene to lubricating oil to improve, performance improvement is limited or other performances are produced
The deficiency of influence.
To realize aforementioned invention purpose, the technical solution adopted by the present invention includes：
The embodiment of the invention discloses a kind of graphene modified HMW ashless dispersant, contain grapheme material, and stone
Black alkene material is connected with HMW succinyl oxide and/or HMW succinimide dispersants.
The embodiment of the invention discloses a kind of preparation method of graphene modified HMW ashless dispersant, it includes：
Grapheme material and HMW succinyl oxide and/or HMW succinimide dispersants hybrid reaction are formed described
Graphene modified HMW ashless dispersant.
The embodiment of the invention discloses a kind of multifunction additive composition, it includes described graphene modified macromolecule
Amount ashless dispersant.
The embodiment of the invention discloses described graphene modified HMW ashless dispersant or described multi-functional add
Plus application of the agent composition in lubricant oil composite is prepared.
The embodiment of the invention discloses a kind of lubricant oil composite, it is included：Basic components, and, described Graphene
Modified high molecular amount ashless dispersant or described multifunction additive composition.
Further, the lubricant oil composite, it is characterised in that also comprising zinc dialkyl dithiophosphate and/or organic
Boron-containing compound and/or organic molybdate compound, but not limited to this.
Compared with prior art, advantages of the present invention includes：
（1）The present invention mixes by by Graphene with HMW succinyl oxide and/or HMW succinimide dispersants,
Dispersion stabilization of the Graphene in lubricating oil can be improved, both make use of epoxy radicals on graphene oxide, amido, hydroxyl,
Carboxyl isoreactivity group is chemically modified, and also utilizes Graphene and HMW succinyl oxide and/or HMW amber
The physical action of amber acid imide dispersant, makes its dispersion reach the effect got twice the result with half the effort；
（2）Graphene modified HMW succinyl oxide and/or the additive of HMW succinimide that the present invention is provided
Both there is the performance of macromolecule dispersing agent, it may have the antiwear and friction reduction property of Graphene, had been that one kind has dispersiveness, Viscosity Index concurrently
Improvement and the multifunction additive of antiwear and antifriction；
（3）Graphene modified HMW succinyl oxide and/or the additive of HMW succinimide that the present invention is provided
Itself also has chemiluminescence；
（4）Graphene modified HMW succinyl oxide and/or the additive of HMW succinimide that the present invention is provided
There is good compatibility and cooperative effect with other lube oil additives, such as have with zinc dialkyl dithiophosphate good
Collaboration antiwear and antifriction effect, has with organoboron compound and/or organic molybdenum and good cooperates with wear-resistant effect.
More detailed explanation will hereafter be made to technical scheme.It is understood, however, that in model of the present invention
In enclosing, above-mentioned each technical characteristic of the invention and below（Such as embodiment）Can between each technical characteristic of middle specific descriptions
It is combined with each other, so as to constitute new or preferred technical scheme.As space is limited, no longer tire out one by one herein and state.
Brief description of the drawings
Fig. 1 is a kind of preparation technology schematic diagram of graphene modified HMW ashless dispersant of the invention；
Fig. 2 is the Graphene standing stability of 7 days contrast photo in lubricating oil before and after modification in the embodiment of the present invention 1.
Explanation of nouns：Graphene：Graphene, abbreviation GE；Graphene oxide：Graphene oxide, abbreviation GO.
Specific embodiment
In view of deficiency of the prior art, inventor is able to propose of the invention through studying for a long period of time and largely put into practice
Technical scheme.The technical scheme, its implementation process and principle etc. will be further explained as follows.
A kind of graphene modified HMW ashless dispersant is provided in the embodiment of one aspect of the present invention, it is special
It is to contain grapheme material in the dispersant to levy, and grapheme material and HMW succinyl oxide and/or macromolecule
Amount succinimide dispersants connection.
In some embodiments, the grapheme material includes graphene oxide（GO）And Graphene（GE）In one kind
Or two kinds of combination, and not limited to this.
In some embodiments, during the grapheme material contains epoxy radicals, amido, hydroxyl, carboxyl isoreactivity group
One or both more than combination, and not limited to this.
In the embodiment of one aspect of the present invention graphene modified HMW ashless dispersant is prepared there is provided one kind
Method, it includes：Grapheme material is mixed with HMW succinyl oxide and/or HMW succinimide dispersants
React and form the graphene modified HMW ashless dispersant.
Wherein, the grapheme material may be selected from previously described any one grapheme material, not repeat herein.
In some embodiments, the HMW succinyl oxide is main reacts shape by alpha-olefin and maleic anhydride
Into.
In some embodiments, the HMW succinimide dispersants it is main by HMW succinyl oxide with
Polyamines polyene carries out aminating reaction and is formed.
In some embodiments, the alpha-olefin includes ethene, propylene, polyisobutene or C4~C45In alpha-olefin
Any one or two or more alpha-olefins, but not limited to this.
Further, the molar content of α-alkenyl is 50%~100% in the alpha-olefin.
Preferably, the alpha-olefin is polyisobutene, C4~C45Combination more than one or both of alpha-olefin.
It is further preferred that the polyisobutene is including in high-activity polyisobutene that molecular weight is 1000,1300,2300
Any one or both more than combination.
It is further preferred that the HMW succinyl oxide and/or HMW succinimide dispersants are high score
Son amount succinic anhydride polyPIBSA and/or HMW succimide polyPIBSI.
Refer to shown in Fig. 1, in some more specific embodiment, described preparation method includes：
Graphene oxide is first carried out into amination, then is reacted with HMW succinic anhydride polyPIBSA；
Or, by HMW succimide polyPIBSI directly with graphite oxide alkene reaction.
The graphene modified HMW ashless dispersant is additionally provided in the embodiment of one aspect of the present invention
Purposes.
For example, providing a kind of multifunction additive composition in certain embodiments, it includes that described Graphene is repaiied
Decorations HMW ashless dispersant.
For example, providing described graphene modified HMW ashless dispersant or described many in certain embodiments
Purposes of the functional additive in lubricant oil composite is prepared.
For example, providing a kind of composition in certain embodiments, it is included：Basic components, and, described Graphene
Modified high molecular amount ashless dispersant or described multifunction additive composition.
For example, among some case study on implementation, can by the multifunction additive of the graphene modified dispersant with it is many
Plant additive compound, formulated oil composition.
For example, the additive can be zinc dialkyl dithiophosphate（ZDDP）, described graphene modified dispersant
Multifunction additive and zinc dialkyl dithiophosphate have and cooperate with well antiwear and antifriction effect.
Further, the lubricant oil composite may also include lube base oil, detersive, antiwear additive, Viscosity Index
Modifier, pour-point depressant, corrosion inhibitor, antirust agent, anti-foaming agent, supplement friction improver or one kind or two in its mixture
Plant combination of the above.
Below in conjunction with some embodiments and accompanying drawing, the present invention is furture elucidated.These embodiments are merely to illustrate the present invention,
Rather than limitation the scope of the present invention.
Embodiment 1
(1) synthesis of terpolymer
It is for about 90% high-activity polyisobutene 1000g by methyl vinylidene content（Mn=1000）Be added to equipped with agitator,
In the reactor of thermometer and condenser, and α-dodecylene 24.04g is added in the reactor, then in lasting stirring
Under conditions of heating mixture to 150 DEG C, by nitrogen bubble about 1h, remove the water of trace.After drying, lead to nitrogen to it is described instead
Answer in the headroom of device.Maleic anhydride 476g and dicumyl peroxide 32.8g is fed to reactor simultaneously in 2h.Complete
Into after the charging of maleic anhydride and dicumyl peroxide, the temperature of reactor is maintained into 1.5h again at 150 DEG C, afterwards will reaction
Device is heated to 190 DEG C.During heating response device, when the temperature of reactor reaches 180 DEG C, pressure is gradually lowered to
20mmHg.Thereafter 190 DEG C are kept the temperature at and pressure are maintained at 20 mmHg about 1h, unreacted maleic anhydride is removed afterwards,
Cooled product, obtains terpolymer 1248g, and its TAN is 78 mgKOH/g（GB/T 7304-2014）.
(2) preparation of HMW ashless dispersant
The terpolymer 100g is added in the glass reactor with agitator, is removed with nitrogen purge empty
Gas.Reactor is heated to 160 DEG C, and by polyethylene polyamine 7.66g（Huntsman, 275g/mol）It is added in reactor,
Reactant mixture is kept into 1.5h at 160 DEG C again.Then reactor pressure is reduced to ＜ 20mmHg, during except dereaction
The water of generation, is kept for 30 minutes under vacuum afterwards, obtains kermesinus product 96.4g.
(3) preparation of the modified graphene oxide Dis-GE of dispersant
0.05g graphene oxides are put into 150ml THF/DMF（THF：DMF=5：1）In mixed solvent, ultrasonic disperse 12h makes
Graphene oxide disperses in a solvent.Homemade high molecular weight dispersant 1.25g is added, at normal temperatures after dispersed with stirring 1h, then
Gradually warming while stirring reacts 24h to 90 DEG C.It is then slowly added to base oil 25g（150N）, 4h is stirred at 60 DEG C.Stop
Reaction, centrifugation removes the graphene oxide of sedimentation, by centrifugate removal of solvent under reduced pressure, obtains the modified oxidation stone of dispersant
Black alkene Dis-GE.
Embodiment 2
0.05g graphene oxides are added to 25g base oils with homemade high molecular weight dispersant 1.25g（150N）In, normal
Centrifugation removes the graphene oxide of sedimentation after the lower dispersed with stirring 2h of temperature, obtains the graphene oxide dispersant of physical blending.
Hereinafter antiwear and friction reduction property test also has been carried out to the performance that embodiment 1 and embodiment 2 obtain additive, wherein adopting
Experiment oil sample is that the additive sample of certain mass is dissolved in the oil sample configured in base oil 150N.
Antiwear and friction reduction property is tested（Four ball frictional testing machines）：Performed according to SH/T 0189-92（Rotating speed 1200rpm ±
60rpm, 75 DEG C ± 2 DEG C of temperature, time 60min ± 1min）, test result is shown in Table 1~table 5.
Abrasion resistance contrast before and after the Graphene GE organic modifications of table 1
As shown in Table 1：Additive sample is dissolved in base oil 150N, the additive sample is in graphene oxide doped amount
During 0.05 wt%, polyPIBSA is modified GE（Dis-GE）Compared with unmodified GE additives, wear scar diameter subtracts additive
It is few, average friction coefficient increase.
The contrast of the Graphene Different adding amount of table 2
As shown in Table 2：Additive sample is dissolved in base oil 150N, the modified GE additives of the polyPIBSA are added（Dis-
GE）, in the influence of different graphene oxide doped amounts, wear scar diameter is with the increase of graphene oxide content for additive sample
Reduce, average friction coefficient μ is maximum when Graphene mass fraction is 0.10wt%, due within the specific limits, with modified stone
The increase of black alkene amount, wear scar diameter reduces；Because of Graphene, intensity is high in itself, and dry/wet friction coefficient is 0.1~0.5, matches somebody with somebody compound
Fang Zhongruo lamellar spacing sizes do not reach sufficiently small, will increase the coefficient of friction of system.
The Graphene physics of table 3 and the comparing of chemical modification
As shown in Table 3：Additive sample is dissolved in base oil 150N, the modified GE additives of the polyPIBSA, addition is added
Graphene oxide doped amount is 0.05% in agent, using chemical modification such as embodiment 1 and the physical blending such as distinct methods of embodiment 2
Mixing, as a result shows that additive wear scar diameter is small obtained in physical blending, and average friction coefficient value is small, but system is unstable, stone
Black alkene will soon be settled, and in general, chemic modified method is substantially better than physical blending process.
The abrasion resistance test knot of the zinc dialkyl dithiophosphate T209 of table 4, self-control macromolecule dispersing agent Dis and Dis-GE
Really
As shown in Table 4：Additive sample is dissolved in base oil 150N, the modified GE additives of the polyPIBSA, addition is added
Graphene oxide doped amount is 0.05% in agent, adds T209, Dis and Dis-GE result to show wear scar diameter in additive
Small, average friction coefficient value is small.
The abrasion resistance test result of table 5 zinc dialkyl dithiophosphate T209, T151A dispersant and Dis-GE
As shown in Table 5：Additive sample is dissolved in base oil 150N, the modified GE additives of the polyPIBSA, additive is added
When middle graphene oxide doped amount is 0.05%, T209, T151A and Dis-GE result is added to show wear scar diameter in additive
Small, average friction coefficient value is small.
By above-mentioned test result：There is Graphene antiwear and antifriction to act on, but with the close phase of Graphene nature
Close, the thinner smaller performance of lamella is more excellent；Modified graphene can be stably dispersed in lubricating oil, can preferably be played it and be resisted
Mill antifriction function；Within the specific limits, with the increase of modified graphene amount, wear scar diameter reduces；Because of Graphene intensity in itself
Height, do/wet friction coefficient is 0.1~0.5, if lamellar spacing size does not reach sufficiently small in compound prescription, will increase body
The coefficient of friction of system.
It should be appreciated that above-described embodiment is only explanation technology design of the invention and feature, this is familiar with its object is to allow
The personage of item technology will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention.It is all
According to the equivalent change or modification that spirit of the invention is made, should all be included within the scope of the present invention.
Claims (9)
1. graphene modified HMW ashless dispersant, it is characterised in that：Contain grapheme material in the dispersant, and
Grapheme material is connected with HMW succinyl oxide and/or HMW succinimide dispersants.
2. graphene modified HMW ashless dispersant according to claim 1, it is characterised in that：The Graphene material
Material includes the combination of any one or two kinds in graphene oxide and Graphene；
Preferably, the active group that the grapheme material is included includes any one in epoxy radicals, amido, hydroxyl, carboxyl
Or both more than combination；
And/or, the HMW succinyl oxide and/or HMW succinimide dispersants are HMW succinic anhydride
And/or HMW succimide.
3. the preparation method of the graphene modified HMW ashless dispersant any one of claim 1-2, its feature
It is to include：By grapheme material and HMW succinyl oxide and/or HMW succinimide dispersants hybrid reaction
And form the graphene modified HMW ashless dispersant.
4. the preparation method of graphene modified HMW ashless dispersant according to claim 3, it is characterised in that：Institute
It is HMW succinic anhydride and/or macromolecule to state HMW succinyl oxide and/or HMW succinimide dispersants
Amount succimide；
Preferably, the main reaction with maleic anhydride by alpha-olefin of the HMW succinyl oxide is formed；
Preferably, the HMW succinimide dispersants are main carries out amine by HMW succinyl oxide and polyamines polyene
Change reaction to be formed；
It is further preferred that the alpha-olefin includes ethene, propylene, polyisobutene or C4~C45Any one in alpha-olefin
Or two or more alpha-olefins；And the molar content of α-alkenyl is 50%~100% in the alpha-olefin；
Especially preferred, the polyisobutene is including any in high-activity polyisobutene that molecular weight is 1000,1300,2300
Combination more than one or both.
5. the preparation method of graphene modified HMW ashless dispersant according to claim 3, it is characterised in that bag
Include：Graphene oxide is first carried out into amination, then is reacted with HMW succinic anhydride, so as to obtain the graphene modified high score
Son amount ashless dispersant.
6. the preparation method of graphene modified HMW ashless dispersant according to claim 3, it is characterised in that bag
Include：By HMW succimide directly with graphite oxide alkene reaction so that obtain the graphene modified HMW without
Grey dispersant.
7. a kind of multifunction additive composition, it is characterised in that：Repaiied including the Graphene any one of claim 1-2
Graphene modified HMW prepared by decorations HMW ashless dispersant or the method according to claim 3-6 is ashless
Dispersant.
8. a kind of lubricant oil composite, it is characterised in that：Comprising basic components and as any one of claim 1-2
Multifunction additive composition described in graphene modified HMW ashless dispersant or claim 8.
9. lubricant oil composite according to claim 8, it is characterised in that：Also comprising zinc dialkyl dithiophosphate and/
Or organoboron compound and/or organic molybdenum.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338086A (en) * | 2017-08-03 | 2017-11-10 | 重庆华阳石墨烯科技有限公司 | Lube oil additive of graphene doped and compounded dispersant and preparation method thereof |
| CN108485753A (en) * | 2018-05-18 | 2018-09-04 | 厦门六烯科技有限公司 | A kind of graphene-based nano boric acid salt lubricating oil and preparation method thereof |
| CN108795539A (en) * | 2018-08-06 | 2018-11-13 | 黑龙江科技大学 | A kind of preparation method of carbon nanomaterial lubricating oil |
| CN110106007A (en) * | 2019-06-19 | 2019-08-09 | 宁波石墨烯创新中心有限公司 | A kind of liquefaction graphene, additive and preparation method and lubricating oil |
| CN111286397A (en) * | 2020-04-10 | 2020-06-16 | 汉能（青岛）润滑科技有限公司 | Full-effect energy-saving lubricating oil composition |
| CN112625776A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Graphene compound for lubricating oil additive and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812351A (en) * | 2010-04-01 | 2010-08-25 | 江苏工业学院 | Lubricating oil additive based on single-layer or more-layer graphene |
| US20110046027A1 (en) * | 2009-08-19 | 2011-02-24 | Aruna Zhamu | Nano graphene-modified lubricant |
| CN104326962A (en) * | 2014-09-30 | 2015-02-04 | 中国科学院宁波材料技术与工程研究所 | Poly alkenyl succinimide ashless dispersant preparation method |
-
2016
- 2016-08-18 CN CN201610683282.9A patent/CN106811267B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110046027A1 (en) * | 2009-08-19 | 2011-02-24 | Aruna Zhamu | Nano graphene-modified lubricant |
| CN101812351A (en) * | 2010-04-01 | 2010-08-25 | 江苏工业学院 | Lubricating oil additive based on single-layer or more-layer graphene |
| CN104326962A (en) * | 2014-09-30 | 2015-02-04 | 中国科学院宁波材料技术与工程研究所 | Poly alkenyl succinimide ashless dispersant preparation method |
Non-Patent Citations (3)
| Title |
|---|
| 屈凌波: "《新型功能材料设计及应用》", 31 May 2014, 郑州大学出版社 * |
| 来常伟等: "通过"点击化学"对石墨烯和氧化石墨烯进行功能化改性", 《化学学报》 * |
| 黄文轩: "《润滑剂添加剂性质及应用》", 31 May 2012, 中国石化出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338086A (en) * | 2017-08-03 | 2017-11-10 | 重庆华阳石墨烯科技有限公司 | Lube oil additive of graphene doped and compounded dispersant and preparation method thereof |
| CN108485753A (en) * | 2018-05-18 | 2018-09-04 | 厦门六烯科技有限公司 | A kind of graphene-based nano boric acid salt lubricating oil and preparation method thereof |
| CN108795539A (en) * | 2018-08-06 | 2018-11-13 | 黑龙江科技大学 | A kind of preparation method of carbon nanomaterial lubricating oil |
| CN110106007A (en) * | 2019-06-19 | 2019-08-09 | 宁波石墨烯创新中心有限公司 | A kind of liquefaction graphene, additive and preparation method and lubricating oil |
| CN110106007B (en) * | 2019-06-19 | 2022-07-29 | 宁波石墨烯创新中心有限公司 | Liquefied graphene, additive, preparation method and lubricating oil |
| CN112625776A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Graphene compound for lubricating oil additive and preparation method and application thereof |
| CN111286397A (en) * | 2020-04-10 | 2020-06-16 | 汉能（青岛）润滑科技有限公司 | Full-effect energy-saving lubricating oil composition |
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