CN109401823A - A kind of graphene lubricating grease and its preparation method and application - Google Patents
A kind of graphene lubricating grease and its preparation method and application Download PDFInfo
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- CN109401823A CN109401823A CN201811309595.3A CN201811309595A CN109401823A CN 109401823 A CN109401823 A CN 109401823A CN 201811309595 A CN201811309595 A CN 201811309595A CN 109401823 A CN109401823 A CN 109401823A
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- graphene
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- lubricating grease
- oil
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Classifications
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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
-
- 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
- C10M113/00—Lubricating compositions characterised by the thickening agent being an inorganic material
- C10M113/02—Carbon; Graphite
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/0413—Carbon; Graphite; Carbon black used as base material
-
- 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
-
- 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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- 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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a kind of graphene lubricating grease, the composition includes each composition of following weight parts proportion: lubricating grease 70~80%, thickening agent 13~17%, additive 1~3%, surplus are graphene base oil.The present invention also provides the purposes of the preparation method of the composition and the composition in the lubricating oil that preparation has effects of energy saving and emission reduction.Composition of the invention can significantly improve the greasy property of lubricating oil, reduces coefficient of friction, abrasion loss is greatly decreased, and have significant anti-friction corrosive nature.Simultaneously, it will be distributed in lube base oil by the modified graphene nano material in surface, one layer of wear-resistant graphene film, greasy property with super strength and abrasion resistance, corrosion resistance, inoxidizability, rust-preventing characteristic can be formed on frictional interface, it can substantially prolonged mechanical part life.
Description
Technical field
The present invention relates to technical field of lubricating grease, in particular to a kind of graphene lubricating grease and its preparation method and application.
Background technique
It is counted according to internal authority mechanism, Material Wear, three lossy of corrosion and fatigue account for about total industrial output value
30%, fretting wear is generally existing natural phenomena.The friction loss non-renewable energy of the world's about one third, abrasion is to make
At one of material and damage of facilities and three kinds of most important forms of failure, lubrication is then to reduce friction, abrasion is reduced or avoided
Most effective technology.Develop with good wear resistance, high bearing capacity, there is certain repair function to wear surface, right
Environmental nonpollution or the lubrication technology of of low pollution are contemporary chemistry and one of material science and the important topic of tribology.
Graphene is a kind of new material of individual layer laminated structure being made of carbon atom.It is a kind of miscellaneous with sp2 by carbon atom
Change the flat film that track composition hexangle type is in honeycomb lattice, the two-dimensional material of only one carbon atom thickness.Graphene is current
It is most thin is in the world but also most hard nano material, the application range of graphene is wide.It is ultra-thin according to graphene, intensity super large
Characteristic, graphene can be widely applied to each field, such as ultralight flak jackets, ultra-thin and ultra-light type aircraft materials etc..Graphene
It is the highest substance of mankind's known strength, it is also harder than diamond, taller upper 100 times of the intensity steel more best than in the world.
China Patent Publication No. 104031716A discloses a kind of lubricating oil containing graphene, comprising lubricant grease and
Multiple modification graphene powders, it is 0.001wt.% to 10wt.% that the modification graphene powder, which accounts for weight ratio, is dispersed evenly to
In the lubricant grease, and respectively the modification graphene powder includes an at least surfaction layer, and at least a surfaction layer includes for this
One surface modifier, including at least two functional groups, are located at two ends of the surface modifier, the official of at least two functional groups
Energy base and the organic functional base on the graphene powder surface generate chemical bonded refractory, another functional group's shape of the one of at least two functional groups
At the surface characteristic of the modification graphene powder, and the surfaction layer can provide modification graphene powder and lubricating oil is good
Affinity.But this method uses graphene and modification agent as raw material, expensive, unsuitable industrialized production.
Summary of the invention
In view of this, the present invention provides a kind of greasy property that can significantly improve lubricating oil and the stone for reducing coefficient of friction
Black alkene lubricating grease and its preparation method and application.
The present invention is solved the above problems by following technological means:
According to an aspect of the present invention, a kind of graphene lubricating grease is provided, the component of the graphene lubricating grease and is contained
Amount are as follows: lubricating grease 70~80%, thickening agent 13~17%, additive 1~3%, surplus are graphene base oil.
Preferably, it in the above-mentioned technical solutions include the raw material of following weight percent: lubricating grease 75%, thickening agent
16%, additive 2%, surplus are graphene base oil.
Preferably, the lubricating grease includes lithium base grease, calcium-base grease, sodium base lubrication in the above-mentioned technical solutions
Rouge, aluminium-base grease, complex soap lubricating grease, extreme pressure grease, silicic acid lubricating grease, synthetic grease；The thickening agent includes
One kind of soap base thickening agent or non-soap base thickening agent, the soap base thickening agent include in single soap base, mixing soap base or compound soap base
One kind；The additive includes peptizing agent, phosphate, ZDDP, Elco extreme pressure anti-wear additives, complexing agent, dropping point enhancer and fills out
It is any several in material.
Preferably, in the above-mentioned technical solutions the peptizing agent be glycerol and water mixture；The filler include graphite,
It is any several in molybdenum disulfide and carbon black.
Preferably, in the above-mentioned technical solutions the graphene base oil include following weight percent raw material: graphite
It is oily based on alkene 5~20%, nonionic chelating agent 1~5%, surplus.
Preferably, the base oil is petroleum oil or synthetic lubricant fluid in the above-mentioned technical solutions；The synthesis profit
Lubricating oil is one of Esters oil, silicone oil or poly- tears-alkene oil.
Another aspect of the present invention provides a kind of graphene preparation of greases method, comprising the following steps:
Step a, under the conditions of 30~60 DEG C of temperature by graphene dispersion in the solvent containing the modified coupling agent in surface
Reason, filters, is dried to obtain modified graphene powder；
Step b, according to the weight percent, graphene is added in base oil, is heated to 130~150 DEG C, the side Bian Jiare
It is stirred mixing with the revolving speed of 750~1000r/min, after graphene is added, nonionic chelating agent is added, continues to stir
1~3h is uniformly mixed up to graphene base oil；
Step c, the weight percent is pressed, thickening agent is added in graphene base oil obtained in step b, is heated up
To 170~200 DEG C, keeps the revolving speed in step b constant, be stirred 2~4h, obtain mixture；
Step d, mixture obtained in step c is cooled to 95~115 DEG C, the addition of the weight percent is added
1~3h is ground in agent, at cooling after rouge to obtain the final product.
Preferably, the modified coupling agent in the surface is silicon substrate coupling agent, aluminium base coupling agent, titanium-based in the above-mentioned technical solutions
Coupling agent, titanium aluminium base coupling agent, it is one or two kinds of in titanium zirconium base coupling agent more than；The modified coupling agent Graphene powder in the surface
The weight content 0.5-2% of body.
Another aspect of the invention is provided described in any one of above-mentioned technical proposal based on graphene lubricant compositions
Preparing the purposes in lubricating oil.
Technical solution in terms of based on above three, composition of the invention can significantly improve the lubricity of lubricating oil
Can, coefficient of friction is reduced, abrasion loss is greatly decreased, and has significant anti-friction corrosive nature.Meanwhile it will be modified by surface
Graphene nano material be distributed in lube base oil, one layer of wear-resistant graphene film can be formed on frictional interface, had
Superpower greasy property and abrasion resistance, corrosion resistance, inoxidizability, rust-preventing characteristic, can substantially prolonged mechanical part life.
Specific embodiment
It, below will be to the embodiment of the present invention in order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer
In technical solution be explicitly described.
Embodiment 1
A kind of graphene lubricating grease, including following components and content: lubricating grease 70%, thickening agent 13%, additive 1%,
Surplus is graphene base oil.Wherein, lubricating grease is lithium base grease；Thickening agent is compound soap base thickening agent；Additive includes
Peptizing agent, phosphate, filler；Peptizing agent is the mixture of glycerol and water；The filler includes molybdenum disulfide and carbon black；Graphene
Base oil include weight percent meter graphene 5%, nonionic chelating agent 1%, surplus based on oil；Base oil is poly- tears-
Alkene oil
Above-mentioned graphene preparation of greases method, comprising the following steps:
Step a, graphene dispersion is handled in the solvent containing the modified coupling agent in surface under the conditions of 30 DEG C of temperature, mistake
It filters, be dried to obtain modified graphene powder；
Step b, according to the weight percent, graphene is added in base oil, is heated to 130 DEG C, the side Bian Jiare with
The revolving speed of 750r/min is stirred mixing, and after graphene is added, nonionic chelating agent is added, and continues to stir 1h, mixing
Uniformly up to graphene base oil；
Step c, the weight percent is pressed, thickening agent is added in graphene base oil obtained in step b, is heated up
To 170 DEG C, keeps the revolving speed in step b constant, be stirred 2h, obtain mixture；
Step d, mixture obtained in step c is cooled to 95 DEG C, the additive of the weight percent is added, ground
1h, at cooling after rouge to obtain the final product.
The modified coupling agent in surface is silicon substrate coupling agent in above-mentioned steps a；The weight of the modified coupling agent graphene powder in surface
Content 0.5%.
Embodiment 2
A kind of graphene lubricating grease, including following components and content: the raw material including following weight percent: lubricating grease
75%, thickening agent 16%, additive 2%, surplus are graphene base oil.Wherein, lubricating grease is complex soap lubricating grease；Thickening
Agent is non-soap base thickening agent；Additive includes ZDDP, Elco extreme pressure anti-wear additives, filler；Peptizing agent is the mixture of glycerol and water；
The filler includes molybdenum disulfide and graphite；Graphene base oil includes the graphene 15% of weight percent meter, nonionic chela
It is oily based on mixture 3%, surplus；Base oil is Esters oil
Above-mentioned graphene preparation of greases method, comprising the following steps:
Step a, graphene dispersion is handled in the solvent containing the modified coupling agent in surface under the conditions of temperature 50 C, mistake
It filters, be dried to obtain modified graphene powder；
Step b, according to the weight percent, graphene is added in base oil, is heated to 140 DEG C, the side Bian Jiare with
The revolving speed of 850r/min is stirred mixing, and after graphene is added, nonionic chelating agent is added, and continues to stir 2h, mixing
Uniformly up to graphene base oil；
Step c, the weight percent is pressed, thickening agent is added in graphene base oil obtained in step b, is heated up
To 185 DEG C, keeps the revolving speed in step b constant, be stirred 3h, obtain mixture；
Step d, mixture obtained in step c is cooled to 105 DEG C, the additive of the weight percent is added, grinds
Grind 2h, at cooling after rouge to obtain the final product.
The modified coupling agent in surface is titanium zirconium base coupling agent in above-mentioned steps a；The weight of the modified coupling agent graphene powder in surface
Measure content 1%.
Embodiment 3
A kind of graphene lubricating grease, including following components and content: the raw material including following weight percent: lubricating grease
80%, thickening agent 17%, additive 3%, surplus are graphene base oil.Wherein, lubricating grease is silicic acid lubricating grease；Thickening agent is
Non-soap base thickening agent；Additive includes complexing agent, dropping point enhancer and filler；Peptizing agent is the mixture of glycerol and water；It is described
Filler includes graphite；Graphene base oil includes that the graphene 20%, nonionic chelating agent 5%, surplus of weight percent meter are
Base oil；Base oil is silicone oil.
Above-mentioned graphene preparation of greases method, comprising the following steps:
Step a, graphene dispersion is handled in the solvent containing the modified coupling agent in surface under the conditions of temperature 60 C, mistake
It filters, be dried to obtain modified graphene powder；
Step b, according to the weight percent, graphene is added in base oil, is heated to 150 DEG C, the side Bian Jiare with
The revolving speed of 1000r/min is stirred mixing, and after graphene is added, nonionic chelating agent is added, and continues to stir 3h, mixing
Uniformly up to graphene base oil；
Step c, the weight percent is pressed, thickening agent is added in graphene base oil obtained in step b, is heated up
To 200 DEG C, keeps the revolving speed in step b constant, be stirred 4h, obtain mixture；
Step d, mixture obtained in step c is cooled to 115 DEG C, the additive of the weight percent is added, grinds
Grind 3h, at cooling after rouge to obtain the final product.
The modified coupling agent in surface is aluminium base coupling agent in above-mentioned steps a；The weight of the modified coupling agent graphene powder in surface
Content 2%.
It is worth noting that graphene lubricant compositions of the invention have important purposes in preparing lubricating oil.
Composition of the invention can significantly improve the greasy property of lubricating oil, reduces coefficient of friction, abrasion is greatly decreased
Amount, and have significant anti-friction corrosive nature.Meanwhile lubricating oil will be distributed to by the modified graphene nano material in surface
In base oil, one layer of wear-resistant graphene film, greasy property with super strength and abrasion resistance, anti-corruption can be formed on frictional interface
Corrosion, inoxidizability, rust-preventing characteristic, can substantially prolonged mechanical part life.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. a kind of graphene lubricating grease, which is characterized in that the component and content of the graphene lubricating grease are as follows: lubricating grease 70~
80%, thickening agent 13~17%, additive 1~3%, surplus are graphene base oil.
2. graphene lubricating grease according to claim 1, which is characterized in that the raw material including following weight percent: profit
Consistent lubricant 75%, thickening agent 16%, additive 2%, surplus are graphene base oil.
3. graphene lubricating grease according to claim 1 or 2, which is characterized in that the lubricating grease includes lithium base lubrication
Rouge, calcium-base grease, sodium base grease, aluminium-base grease, complex soap lubricating grease, extreme pressure grease, silicic acid lubricating grease, synthesis
Lubricating grease；The thickening agent includes one kind of soap base thickening agent or non-soap base thickening agent, the soap base thickening agent include single soap base,
Mix one of soap base or compound soap base；The additive includes peptizing agent, phosphate, ZDDP, Elco extreme pressure anti-wear additives, answers
It is any several in mixture, dropping point enhancer and filler.
4. graphene lubricating grease according to claim 3, which is characterized in that the peptizing agent is the mixing of glycerol and water
Object；The filler includes any several in graphite, molybdenum disulfide and carbon black.
5. graphene lubricating grease according to claim 4, which is characterized in that the graphene base oil includes following weight
The raw material of percentage: oily based on graphene 5~20%, nonionic chelating agent 1~5%, surplus.
6. graphene lubricating grease according to claim 5, which is characterized in that the base oil is petroleum oil or synthesis
Lubricating oil；The synthetic lubricant fluid is one of Esters oil, silicone oil or poly- tears-alkene oil.
7. a kind of graphene preparation of greases method, it is characterised in that the following steps are included:
Step a, graphene dispersion is handled in the solvent containing the modified coupling agent in surface under the conditions of 30~60 DEG C of temperature, mistake
It filters, be dried to obtain modified graphene powder；
Step b, according to the weight percent, graphene is added in base oil, is heated to 130~150 DEG C, the side Bian Jiare with
The revolving speed of 750~1000r/min is stirred mixing, after graphene is added, nonionic chelating agent is added, continues stirring 1
~3h is uniformly mixed up to graphene base oil；
Step c, the weight percent is pressed, thickening agent is added in graphene base oil obtained in step b, is warming up to
It 170~200 DEG C, keeps the revolving speed in step b constant, is stirred 2~4h, obtains mixture；
Step d, mixture obtained in step c is cooled to 95~115 DEG C, the additive of the weight percent is added, grinds
Grind 1~3h, at cooling after rouge to obtain the final product.
8. graphene preparation of greases method according to claim 7, which is characterized in that the modified coupling agent in the surface
For silicon substrate coupling agent, aluminium base coupling agent, titanium-based coupling agent, titanium aluminium base coupling agent, in titanium zirconium base coupling agent it is one or two kinds of with
On；The weight content 0.5-2% of the modified coupling agent graphene powder in the surface.
9. according to any one of claims 1 to 8 preparing the purposes in lubricating oil based on graphene lubricant compositions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811309595.3A CN109401823A (en) | 2018-11-06 | 2018-11-06 | A kind of graphene lubricating grease and its preparation method and application |
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| CN201811309595.3A CN109401823A (en) | 2018-11-06 | 2018-11-06 | A kind of graphene lubricating grease and its preparation method and application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205184A (en) * | 2019-06-05 | 2019-09-06 | 常熟理工学院 | A kind of wire rope for mine lubricating grease |
| CN113416596A (en) * | 2021-07-23 | 2021-09-21 | 广东电网有限责任公司东莞供电局 | Electric composite grease suitable for damp and hot environment and preparation method thereof |
| CN113845959A (en) * | 2021-11-04 | 2021-12-28 | 北京航空航天大学 | Lithium-aluminum-based lubricating grease and preparation method thereof |
| CN114591776A (en) * | 2022-03-14 | 2022-06-07 | 北京市政建设集团有限责任公司 | Sealing grease for shield machine and preparation method thereof |
| CN115895761A (en) * | 2022-12-26 | 2023-04-04 | 吉诺润滑技术(苏州)有限公司 | High-temperature-resistant universal polar pressure type lubricating grease |
| WO2024072488A3 (en) * | 2022-05-02 | 2024-06-06 | Baylor University | Bearings, conductive grease, and variable frequency drive systems |
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| CN107267269A (en) * | 2017-07-19 | 2017-10-20 | 柯良节 | Feature graphene lubricating grease material and preparation method thereof |
| CN108048177A (en) * | 2018-01-03 | 2018-05-18 | 郑小华 | A kind of high temperature resistant graphene lubricating oil and its synthetic method |
| CN108467763A (en) * | 2018-01-23 | 2018-08-31 | 江苏大学 | A kind of preparation method of graphene-containing lithium base grease |
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| CN103289802A (en) * | 2013-06-05 | 2013-09-11 | 扬州大学 | Preparation method of graphene lubricating grease |
| CN107267269A (en) * | 2017-07-19 | 2017-10-20 | 柯良节 | Feature graphene lubricating grease material and preparation method thereof |
| CN108048177A (en) * | 2018-01-03 | 2018-05-18 | 郑小华 | A kind of high temperature resistant graphene lubricating oil and its synthetic method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110205184A (en) * | 2019-06-05 | 2019-09-06 | 常熟理工学院 | A kind of wire rope for mine lubricating grease |
| CN113416596A (en) * | 2021-07-23 | 2021-09-21 | 广东电网有限责任公司东莞供电局 | Electric composite grease suitable for damp and hot environment and preparation method thereof |
| CN113845959A (en) * | 2021-11-04 | 2021-12-28 | 北京航空航天大学 | Lithium-aluminum-based lubricating grease and preparation method thereof |
| CN114591776A (en) * | 2022-03-14 | 2022-06-07 | 北京市政建设集团有限责任公司 | Sealing grease for shield machine and preparation method thereof |
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Application publication date: 20190301 |