CN108117913A - A kind of preparation method and purposes of spherical graphite alkene lubricating additive - Google Patents
A kind of preparation method and purposes of spherical graphite alkene lubricating additive Download PDFInfo
- Publication number
- CN108117913A CN108117913A CN201611065350.1A CN201611065350A CN108117913A CN 108117913 A CN108117913 A CN 108117913A CN 201611065350 A CN201611065350 A CN 201611065350A CN 108117913 A CN108117913 A CN 108117913A
- Authority
- CN
- China
- Prior art keywords
- graphite alkene
- graphene
- spherical graphite
- spherical
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/02—Carbon; Graphite
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- 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
-
- 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
Abstract
The present invention relates to the application fields of grapheme material, are specially a kind of preparation method and purposes of spherical graphite alkene lubricating additive.Using graphene or graphene oxide as raw material, pass through mechanical crushing or ultrasonic shear and centrifugal separation process, obtain the excellent graphene solution dispersion of dispersion stabilization, globular graphite alkene is obtained by the method for spray drying, the graphene ball prepared by graphene oxide is carried out reduction treatment obtains redox graphene ball.Spherical graphite alkene can be directly scattered in as lubricating additive in lubricating oil, lubricating grease or polymeric matrix, and can obtain high performance graphene by simple mechanical agitation or manually vibration is modified lubrication product.So as to, the good graphene lubrication oil/grease of dispersion stabilization or the polymer-modified composite material of graphene can be obtained by adding in spherical graphite alkene, and the addition of spherical graphite alkene can significantly lubricate the tribological property of oil/grease or the polymer-modified composite material of graphene.
Description
Technical field
The present invention relates to the application fields of grapheme material, are specially a kind of preparation side of spherical graphite alkene lubricating additive
Method and purposes.
Background technology
Graphene is as a kind of new carbon, because its unique planar structure, excellent physicochemical property come out certainly
Since receive the extensive concern of scientific circles and industrial quarters.Graphene has high mechanical strength (intensity is up to 1TPa), with
And excellent interfacial shear slip performance, and chemical property is stablized with good environment inertia, is a kind of preferably lubrication material
Material.Graphene, which is added to, can be obviously improved the wear resistant friction reducing performance of material in lubrication oil/grease or polymer composites.
In recent years, based on the excellent tribological property of graphene, graphene-based novel lubricating material has become to be paid close attention to for people
Research hotspot, substantial amounts of graphene lubrication product also comes into being therewith.However, graphene is in these lubricating system (lubrications
Oil/grease, polymer composites etc.) do not show very prominent wear resistant friction reducing modified effect.This is mainly due to graphite
Alkene large specific surface area, radius-thickness ratio are big, surface energy is high, easily reunite, in lubrication oil/grease or polymeric matrix in fact simultaneously
Can not exist to stretch sufficient two-dimensional slice structure, but exist in the form of irregular aggregate.Graphene is lubricating
Irregular form in oil/grease or polymeric matrix shows, and it is scattered in lubricating oil matrix on the one hand to affect graphene
On the one hand dispersing uniformity in stability or lubricating grease and polymeric matrix is seriously affected since existing forms are irregular
The synthesis tribological property of graphene/lubricating oil (fat) or graphene/polymer composites.This causes graphene as lubrication
Additive can not fully show its own excellent tribological property in use, and corresponding graphene is modified lubrication
Oil/grease or the wear resistant friction reducing characteristic of the polymer-modified composite material of graphene are not also obviously improved, corresponding correlation
The quality stability of product also receives strong influence, so as to constrain industrialized production of the graphene as lubricating additive
Using.
Morphosis of the graphene in lubrication oil/grease or polymeric matrix directly affects graphene modification of lubricating oils fat
And the tribological property of the polymer-modified composite material of graphene.In order to improve graphene in lubrication oil/grease or polymeric matrix
In tribological property as lubricating additive of dispersion stabilization and graphene, usually graphene is chemically or physically changed
Property, alkane chain is grafted to improve compatibility of the graphene in oil/grease is lubricated in graphene surface, so as to obtain dispersion stabilization
Good graphene/lubricating oil (fat) system.Alternatively, carrying out chemical surface treatment to graphene promotes graphene and polymer matrix
The compatibility of body, so that graphene is more readily dispersed in polymeric matrix.It although however, can be with by the method for chemical modification
The compatibility of graphene and complex matrix is promoted to a certain extent, and but there are the easily destroyed graphenes that influences of graphene-structured to rub
The problems such as performance is learned in wiping, processing method complexity is difficult to realize industrial applications, chemical reagent volatilization causes environmental pollution.Therefore,
It is to obtain to have uniformly how by regulating and controlling graphene morphosis and surface nature, improving its compatibility with lubricant medium
The key problem in technology of dispersion and excellent wear resistant friction reducing performance graphene lubricating additive.
The content of the invention
It is suitable for lubrication oil/grease or polymer composites are obviously improved material the object of the present invention is to provide a kind of
The preparation method and purposes of the spherical graphite alkene lubricating additive of wear resistant friction reducing performance, the additive have good dispersiveness
Can, it is easy to use, and the greasy property of lubrication oil/grease and the wearability of graphene/polymer composites can be obviously improved
Can, it can be added directly by churned mechanically mode in lubrication oil/grease or polymer composites matrix.
To realize above-mentioned technical goal, technical solution proposed by the invention is：
A kind of preparation method of spherical graphite alkene lubricating additive, comprises the following steps：
(1) using graphene or graphene oxide as raw material, mechanical crushing or ultrasonic shear and centrifugal separation process pair are passed through
Graphene raw material carries out granularity adjustment；
(2) by adding in the agitated solution system for obtaining stably dispersing of surfactant；
(3) spherical graphite alkene powder body material or spherical graphene oxide powder material are obtained by the method for spray drying.
The preparation method of the spherical graphite alkene lubricating additive, in step (1), graphene is catalysis intercalation expansion stripping
It is prepared from method, graphite oxidation reduction method, chemical vapour deposition technique, epitaxial growth method, mechanical stripping method.
The preparation method of the spherical graphite alkene lubricating additive, in step (1), granularity adjustment is set using mechanical crushing
When standby, moving component is paddle-like, 5000~25000rpm of running speed, 30~120min of process time.
The preparation method of the spherical graphite alkene lubricating additive, in step (1), granularity adjustment is filled using ultrasonic shear
When putting, decentralized medium is water or concentration is 10wt%~100wt% ethanol solution, graphene dispersion concentration for 0.1mg/ml~
15mg/ml, graphene oxide dispersion concentration be 0.1mg/ml~3mg/ml, 500~1500W of operation power, the working time 10~
180min。
The preparation method of the spherical graphite alkene lubricating additive in step (1), is centrifuged using high speed centrifugation
Machine, 1000~12000rpm of rotating speed, 30~180min of working time, the graphene size after being separated is at 0.1 μm~20 μm
Between, the number of plies is 1~10 layer.
The preparation method of the spherical graphite alkene lubricating additive, in step (2), the solution body of the stably dispersing of acquisition
System, the ethanol solution that decentralized medium is water or concentration is 0.1wt%~10wt%, graphene dispersion concentration for 0.05mg/ml~
12mg/ml, graphene oxide dispersion concentration are 0.05mg/ml~3mg/ml, and dispersant is N- methyl-pyrrols compounds, ten
Dialkyl benzene sulfonic acids sodium, polyvinylpyrrolidone or available for the surfactant dispersed graphene in polar solvent, point
Powder dosage is 0%~2%.
The preparation method of the spherical graphite alkene lubricating additive, in step (3), spherical graphite alkene or spherical oxidation stone
Black alkene powder body material is obtained by the method for spray drying, and the inlet temperature control of drier is at 90 DEG C~220 DEG C, outlet temperature
At 60 DEG C~100 DEG C, rate of drying is 10ml/h~1000ml/h for control, and wind turbine strength control is obtained between 50~100
The grain size of spherical graphite alkene or spherical graphene oxide is between 500nm~15 μm.
The purposes of spherical graphite alkene lubricating additive prepared by the method, it is specific as follows：
(1) oxidized graphene spherical graphene oxide powder material made from raw material is subjected to reduction treatment, obtained
Redox graphene ball；
(2) spherical graphite alkene powder body material is scattered in lubrication oil/grease or polymeric matrix, obtains spherical graphite alkene and change
Property the lubrication oil/grease or polymer-modified composite material of spherical graphite alkene.
The purposes of the spherical graphite alkene lubricating additive is obtained using graphene oxide as raw material by spray drying
Spherical graphene oxide powder material, the mode through Overheating Treatment are reduced, and high-temperature process temperature is 300 DEG C~1000 DEG C,
When processing time is 1~5 small.
The purposes of the spherical graphite alkene lubricating additive, spherical graphite alkene powder body material are directly scattered in lubrication oil base
In plinth oil/grease or finished product oil/grease；Alternatively, by adding in surfactant spherical graphite alkene powder body material is made to be scattered in lubricating oil
In basic oil/grease or finished product oil/grease, the addition content of surfactant is 0%~30%；Alternatively, spherical graphite alkene powder material
Material is directly scattered in polymeric matrix；
The preparation method of composite material is melt-blending process or solwution method, and the additive amount of spherical graphite alkene powder body material is
0.1~3wt%.
The present invention design philosophy be：
The shortcomings that based on present in conventional graphite alkene lubricating additive, such as：Graphene dispersion stability is poor, graphene is in base
In body there are structural form is irregular, uncontrollable and graphene tribological property play it is not notable etc..The present invention proposes a kind of
High-performance graphene preparation method of lubricant additive, i.e., by mechanical crushing, ultrasonic shear, ultrasonic disperse, centrifugal classification skill
Art means obtain scale particle size and are evenly distributed controllable graphene solution, add in the dispersants such as surfactant and obtain stably dispersing
Property excellent graphene solution dispersion, the method for passing through spray drying or atomization drying obtains globular graphite alkene.This is spherical
Graphene can be dispersed in lubrication oil/grease and polymer composites matrix, and globular graphite alkene has good chemistry surely
It is qualitative, and can play the role of antiwear and antifriction by rolling and occurring elastically-deformable mode in friction process.Significant difference
In traditional flake graphite alkene lubricating additive, globular graphite alkene is different from flake graphite alkene, be not easy to each other adhesive aggregation together, more
It is readily dispersed in lubrication oil/grease or polymeric matrix.In addition, globular graphite alkene lubricating additive in friction process initially with
The form of rolling friction plays antifriction function, can greatly reduce the coefficient of friction of lubrication oil/grease or polymer composites.After
And under larger plus load effect (being then under extreme pressure environment for lubrication oil/grease), globular graphite alkene has good
Elastic deformability, can further be promoted material antiwear and reducing friction effect.When being subject to shearing force excessive, globular graphite alkene
Generation limellar stripping, and worked with the lubricating system of sheet nano graphite alkene piece.The present invention is moistened by adding globular graphite alkene
Sliding additive, the coefficient of friction of lubricating oil can reduce by 80%, and wear scar diameter reduces 50%, can be obviously improved lubrication oil/grease or poly-
The wear resistant friction reducing performance of compound composite material.In addition, the preparation method of this globular graphite alkene lubricating additive has technique letter
Single, reproducible, application effect substantially waits technical characterstics, and is suitble to large-scale industrial production.
Advantages of the present invention and advantageous effect are：
1st, the present invention proposes a kind of High-performance graphene preparation method of lubricant additive, i.e., is cut by mechanical crushing, ultrasound
Cut, the technological means of ultrasonic disperse, centrifugal classification obtains scale particle size and is evenly distributed controllable graphene solution, add in surface and live
Property the dispersants such as agent obtain the excellent graphene solution dispersion of dispersion stabilization, pass through the side of spray drying or atomization drying
Method obtains globular graphite alkene.
2nd, the present invention proposes that it is made to be played in lubricant medium with spherical structure is resistance to by regulating and controlling graphene-structured form
Grind the design philosophy of antifriction function.The globular graphite alkene can be dispersed in lubrication oil/grease and polymer composites matrix,
Globular graphite alkene has good chemical stability, and can be by rolling and occurring elastically-deformable mode in friction process
Play the role of antiwear and antifriction.Traditional flake graphite alkene lubricating additive is substantially distinguished from, globular graphite alkene lubricating additive is rubbing
Antifriction function is initially played in the form of rolling friction during wiping, can greatly reduce lubrication oil/grease or polymer composite
The coefficient of friction of material.Then under larger plus load effect (being then under extreme pressure environment for lubrication oil/grease), it is spherical
Graphene has good elastic deformability, can further promote the antiwear and reducing friction effect of material.Receiving shearing force mistake
When big, limellar stripping occurs for globular graphite alkene, and is worked with the lubricating system of sheet nano graphite alkene piece.
Description of the drawings
Fig. 1 is the stereoscan photograph of spherical graphite alkene lubricating additive.
Fig. 2 is that spherical graphite alkene lubricating additive is added to friction coefficient curve photo in lube base oil, stone
Black alkene addition content is 0.1mg/ml.In figure, 1-Base oil represent lube base oil；2-pristine graphene/
Oil represents graphene raw material/base oil；3-Graphene ball/oil represent spherical graphite alkene/base oil.Abscissa Time
For the time (s), ordinate Friction coefficient are coefficient of friction.
Specific embodiment
In specific implementation process, the preparation method and purposes of spherical graphite alkene lubricating additive of the present invention are as follows：
(1) granularity adjustment, granularity are carried out to graphene raw material by mechanical crushing or ultrasonic shear and centrifugal separation process
When adjustment is using mechanical crushing equipment, moving component is paddle-like, 5000~25000rpm of running speed, process time 30~
120min.When granularity adjustment is using ultrasonic shears device, the decentralized medium of graphene is water or concentration is 10wt%~100wt%
Ethanol solution, the dispersion concentration of graphene is 0.1mg/ml~15mg/ml, and the dispersion concentration of graphene oxide is 0.1mg/ml
~3mg/ml, 500~1500W of operation power, 10~180min of effective time.Granularity adjustment is using centrifugal separating device
When, 1000~12000rpm of rotating speed, 30~180min of working time, the lamella size of the graphene after being separated is at 0.1 μm
Between~20 μm, the number of plies is 1~10 layer.
(2) by adding in the agitated solution system for obtaining graphene dispersion and stablizing of surfactant, decentralized medium is water
Or the ethanol solution that concentration is 0.1wt%~10wt%, the dispersion concentration of graphene is 0.05mg/ml~12mg/ml, aoxidizes stone
The dispersion concentration of black alkene is 0.05mg/ml~3mg/ml, and dispersant is N- methyl-pyrrols compounds (alkanone), dodecyl
Benzene sulfonic acid sodium salt, polyvinylpyrrolidone or common anionic surfactant etc. can be used for dispersing graphene in polar solvent
In surfactant, dispersant dosage be 0%~2%.
(3) spherical graphite alkene powder body material is obtained by the method for spray drying；The inlet temperature of drier is controlled 90
DEG C~220 DEG C, at 60 DEG C~100 DEG C, rate of drying is 10ml/h~1000ml/h for outlet temperature control, and wind turbine strength control exists
Between 50~100.
(4) it is that spherical graphite alkene made from raw material carries out reduction treatment acquisition redox graphene by oxidized graphene
Ball, high-temperature process temperature are 300 DEG C~1000 DEG C, when processing time is 1~5 small.
(5) spherical graphite alkene is scattered in lubrication oil/grease or polymeric matrix, obtains spherical graphite alkene and be modified lubrication
Oil/grease or the polymer-modified composite material of spherical graphite alkene, spherical graphite alkene can directly be scattered in lube base oil/fat or into
It, also can be by adding in the surfactant-disperseds such as oleic acid, span80 in lube base oil/fat or finished product oil/grease in product oil/grease
In, the addition content of surfactant is more than 0% to 30%, and spherical graphite alkene can be directly scattered in polymeric matrix, institute
Can be melt-blending process or solwution method with graphene/polymer composites preparation method.
The present invention is further illustrated with reference to embodiments, but the content of the invention is not limited solely to the implementation
Example：
Embodiment 1
In the present embodiment, detailed process prepared by spherical graphite alkene lubricating additive is with technological parameter：
(1) it is raw material to choose graphene prepared by oxidation-reduction method, and processing is crushed by universal mechanical disintegrating machine, is turned
Speed is 9000rpm, process time 60min.By graphene dispersion after crushed into water, concentration 2mg/ml uses cell
Broken ultrasonic machine carries out ultrasonic disperse pulverization process, operation power 1000W, time 120min to graphene solution.To super
Processing is centrifuged in solution after sound, and centrifuge speed 9000rpm, working time 30min choose lamella after separation
Graphene solution of the size between 8~15 μm.
(2) surfactant-modified water decentralized processing is carried out to above-mentioned graphene solution system, chooses polyvinylpyrrolidine
Ketone (PVP) is added to for surfactant in graphene solution, and it is 0.1wt% to prepare PVP additive amounts, and graphene concentration is
The good graphene aqueous solution of dispersion stabilization of 0.1mg/ml.
(3) spherical graphite alkene powder body material is obtained by the method for spray drying, the inlet temperature of drier is controlled 90
DEG C, outlet temperature is controlled at 70 DEG C, and rate of drying 100ml/h, wind turbine strength control is 80.
As shown in Figure 1, the stereoscan photograph from spherical graphite alkene lubricating additive can be seen that through spray drying
Mode can obtain a diameter of 1 μm of spherical graphite alkene, and this spherical graphite alkene has the characteristics that surface is smooth mellow and full, and size
It is evenly distributed.
(4) spherical graphite alkene is scattered in lube base oil, obtains spherical graphite alkene modification of lubricating oils, spherical graphite
Alkene additive amount is 0.1mg/ml.By tribology tester, modification of lubricating oils can be made compared with the frictional decrease 70% of base oil, mill
Spot diameter declines 47.6%, as shown in Figure 2.
Embodiment 2
Difference from Example 1 is, in the present embodiment, spherical graphite alkene lubricating additive prepare detailed process with
Technological parameter is：
(1) it is raw material to choose graphene prepared by oxidation-reduction method, and processing is crushed by universal mechanical disintegrating machine, is turned
Speed is 10000rpm, process time 45min.By graphene dispersion after crushed into water, concentration 4mg/ml uses cell
Broken ultrasonic machine carries out ultrasonic disperse pulverization process, operation power 1200W, time 150min to graphene solution.To super
Processing is centrifuged in solution after sound, and centrifuge speed 9000rpm, working time 60min choose lamella after separation
Graphene solution of the size between 10~12 μm.
(2) surfactant-modified water decentralized processing is carried out to above-mentioned graphene solution system, selection PVP is surface-active
Agent is added in graphene solution, and it is 0.2wt% to prepare PVP additive amounts, and graphene concentration is the dispersion stabilization of 0.2mg/ml
Good graphene aqueous solution.
(3) spherical graphite alkene powder body material is obtained by the method for spray drying, the inlet temperature of drier is controlled 100
DEG C, outlet temperature is controlled at 80 DEG C, and rate of drying 50ml/h, wind turbine strength control is 100.
(4) spherical graphite alkene is scattered in lubricating grease, obtains spherical graphite alkene modified lubricating grease, the addition of spherical graphite alkene
It measures as 0.1mg/ml.By tribology tester, the frictional decrease 50% of the more basic fat of modified lubricating grease, wear scar diameter can be made
Decline 30%, as shown in Figure 2.
Embodiment the result shows that, the present invention obtains spherical graphite alkene lubricating additive by the method for spray drying, has
The characteristics of dispersibility is good, wear resistant friction reducing significant effect, when use, can be directly added to lubrication oil/grease or polymer composites
In, the graphene modified product that wear resistant friction reducing has excellent performance can be obtained by simple mechanical mixture mode.The present invention passes through
The good graphene lubrication oil/grease of dispersion stabilization or the polymer-modified composite wood of graphene can be obtained by adding in spherical graphite alkene
Material, and the addition of spherical graphite alkene can significantly lubricate the tribological property of oil/grease or the polymer-modified composite material of graphene.This
Invention provides the preparation method of spherical graphite alkene additive with simple for process, reproducible, the application effect technologies such as substantially
Feature.
Claims (10)
1. a kind of preparation method of spherical graphite alkene lubricating additive, which is characterized in that comprise the following steps：
(1) using graphene or graphene oxide as raw material, by mechanical crushing or ultrasonic shear and centrifugal separation process to graphite
Alkene raw material carries out granularity adjustment；
(2) by adding in the agitated solution system for obtaining stably dispersing of surfactant；
(3) spherical graphite alkene powder body material or spherical graphene oxide powder material are obtained by the method for spray drying.
2. the preparation method of spherical graphite alkene lubricating additive described in accordance with the claim 1, which is characterized in that in step (1),
Graphene expands stripping method, graphite oxidation reduction method, chemical vapour deposition technique, epitaxial growth method, mechanical stripping for catalysis intercalation
It is prepared by method.
3. the preparation method of spherical graphite alkene lubricating additive described in accordance with the claim 1, which is characterized in that in step (1),
When granularity adjustment is using mechanical crushing equipment, moving component is paddle-like, 5000~25000rpm of running speed, process time 30
~120min.
4. the preparation method of spherical graphite alkene lubricating additive described in accordance with the claim 1, which is characterized in that in step (1),
When granularity adjustment is using ultrasonic shears device, decentralized medium is water or concentration is 10wt%~100wt% ethanol solution, graphite
Alkene dispersion concentration be 0.1mg/ml~15mg/ml, graphene oxide dispersion concentration be 0.1mg/ml~3mg/ml, operation power
500~1500W, 10~180min of working time.
5. the preparation method of spherical graphite alkene lubricating additive described in accordance with the claim 1, which is characterized in that in step (1),
It centrifuges using supercentrifuge, 1000~12000rpm of rotating speed, 30~180min of working time, the graphite after being separated
For alkene size between 0.1 μm~20 μm, the number of plies is 1~10 layer.
6. the preparation method of spherical graphite alkene lubricating additive described in accordance with the claim 1, which is characterized in that in step (2),
The solution system of the stably dispersing of acquisition, the ethanol solution that decentralized medium is water or concentration is 0.1wt%~10wt%, graphene
Dispersion concentration is 0.05mg/ml~12mg/ml, and graphene oxide dispersion concentration is 0.05mg/ml~3mg/ml, dispersant N-
Methyl-pyrrol compounds, neopelex, polyvinylpyrrolidone or molten available for polarity is dispersed graphene in
Surfactant in agent, dispersant dosage are 0%~2%.
7. the preparation method of spherical graphite alkene lubricating additive described in accordance with the claim 1, which is characterized in that in step (3),
Spherical graphite alkene or spherical graphene oxide powder material are obtained by the method for spray drying, the inlet temperature control of drier
At 90 DEG C~220 DEG C, outlet temperature control is at 60 DEG C~100 DEG C, and rate of drying is 10ml/h~1000ml/h, wind turbine intensity control
System between 50~100, obtain spherical graphite alkene or spherical shape graphene oxide grain size between 500nm~15 μm.
8. a kind of usage right requires the purposes of the spherical graphite alkene lubricating additive of one of 1 to 7 the method preparation, feature
It is, it is specific as follows：
(1) oxidized graphene spherical graphene oxide powder material made from raw material is subjected to reduction treatment, is reduced
Graphene oxide ball；
(2) spherical graphite alkene powder body material is scattered in lubrication oil/grease or polymeric matrix, obtains spherical graphite alkene and be modified profit
Sliding oil/grease or the polymer-modified composite material of spherical graphite alkene.
9. according to the purposes of the spherical graphite alkene lubricating additive described in claim 8, which is characterized in that using graphene oxide as
The spherical graphene oxide powder material that raw material is obtained by spray drying, the mode through Overheating Treatment is reduced, at high temperature
It is 300 DEG C~1000 DEG C to manage temperature, when processing time is 1~5 small.
10. according to the purposes of the spherical graphite alkene lubricating additive described in claim 8, which is characterized in that spherical graphite alkene powder
Body material is directly scattered in lube base oil/fat or finished product oil/grease；Alternatively, make spherical stone by adding in surfactant
Black alkene powder body material is scattered in lube base oil/fat or finished product oil/grease, the addition content of surfactant for 0%~
30%；Alternatively, spherical graphite alkene powder body material is directly scattered in polymeric matrix；
The preparation method of composite material is melt-blending process or solwution method, the additive amount of spherical graphite alkene powder body material for 0.1~
3wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611065350.1A CN108117913B (en) | 2016-11-28 | 2016-11-28 | Preparation method and application of spherical graphene lubricating additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611065350.1A CN108117913B (en) | 2016-11-28 | 2016-11-28 | Preparation method and application of spherical graphene lubricating additive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108117913A true CN108117913A (en) | 2018-06-05 |
| CN108117913B CN108117913B (en) | 2021-05-18 |
Family
ID=62224565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611065350.1A Active CN108117913B (en) | 2016-11-28 | 2016-11-28 | Preparation method and application of spherical graphene lubricating additive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108117913B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233941A (en) * | 2018-10-26 | 2019-01-18 | 四川碳世界科技有限公司 | A kind of ball shaped nano graphene lubricating oil and preparation method thereof |
| CN110643407A (en) * | 2019-09-30 | 2020-01-03 | 集美大学 | Preparation method of graphene-coated spherical metal |
| CN110817856A (en) * | 2019-09-30 | 2020-02-21 | 北京石墨烯技术研究院有限公司 | Spheroidal graphene oxide and preparation method and application thereof |
| CN111253710A (en) * | 2018-11-30 | 2020-06-09 | 中国科学院金属研究所 | High-damping graphene/polymer composite material and preparation method thereof |
| CN111653777A (en) * | 2020-05-20 | 2020-09-11 | 佛山科学技术学院 | Graphene/sulfur porous microsphere composite material used as lithium-sulfur battery anode and preparation method thereof |
| CN115536010A (en) * | 2021-12-17 | 2022-12-30 | 曲靖华金雨林科技有限责任公司 | Preparation method of graphene |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993065A (en) * | 2010-12-17 | 2011-03-30 | 中国科学院上海微***与信息技术研究所 | Method for preparing graphene powder |
| CN104009205A (en) * | 2014-06-12 | 2014-08-27 | 上海中聚佳华电池科技有限公司 | Hollow graphene ball and preparation method and application thereof |
| WO2014189065A1 (en) * | 2013-05-20 | 2014-11-27 | 国立大学法人岡山大学 | Water-based lubricant |
| CN104342236A (en) * | 2014-09-29 | 2015-02-11 | 广东东莞市天润电子材料有限公司 | Graphene-containing frictional regulator and preparation method thereof |
| WO2015034340A1 (en) * | 2013-09-04 | 2015-03-12 | Instituto Tecnológico y de Estudios Superiores de Monterrey | Lubricating oil for automotive and industrial applications, containing decorated graphene |
| CN105217622A (en) * | 2015-11-13 | 2016-01-06 | 武汉大学 | A kind of preparation method of controlled three-dimensional grapheme microballoon |
-
2016
- 2016-11-28 CN CN201611065350.1A patent/CN108117913B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993065A (en) * | 2010-12-17 | 2011-03-30 | 中国科学院上海微***与信息技术研究所 | Method for preparing graphene powder |
| WO2014189065A1 (en) * | 2013-05-20 | 2014-11-27 | 国立大学法人岡山大学 | Water-based lubricant |
| WO2015034340A1 (en) * | 2013-09-04 | 2015-03-12 | Instituto Tecnológico y de Estudios Superiores de Monterrey | Lubricating oil for automotive and industrial applications, containing decorated graphene |
| CN104009205A (en) * | 2014-06-12 | 2014-08-27 | 上海中聚佳华电池科技有限公司 | Hollow graphene ball and preparation method and application thereof |
| CN104342236A (en) * | 2014-09-29 | 2015-02-11 | 广东东莞市天润电子材料有限公司 | Graphene-containing frictional regulator and preparation method thereof |
| CN105217622A (en) * | 2015-11-13 | 2016-01-06 | 武汉大学 | A kind of preparation method of controlled three-dimensional grapheme microballoon |
Non-Patent Citations (2)
| Title |
|---|
| JIANLI CHEN ET AL.: "Size distribution-controlled preparation of graphene oxide nanosheets with different C/O ratios", 《MATERIALS CHEMISTRY AND PHYSICS》 * |
| XUAN DOU ET AL.: "Self-dispersed crumpled graphene balls in oil for friction and wear reduction", 《PANS》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233941A (en) * | 2018-10-26 | 2019-01-18 | 四川碳世界科技有限公司 | A kind of ball shaped nano graphene lubricating oil and preparation method thereof |
| CN111253710A (en) * | 2018-11-30 | 2020-06-09 | 中国科学院金属研究所 | High-damping graphene/polymer composite material and preparation method thereof |
| CN111253710B (en) * | 2018-11-30 | 2022-01-14 | 中国科学院金属研究所 | High-damping graphene/polymer composite material and preparation method thereof |
| CN110643407A (en) * | 2019-09-30 | 2020-01-03 | 集美大学 | Preparation method of graphene-coated spherical metal |
| CN110817856A (en) * | 2019-09-30 | 2020-02-21 | 北京石墨烯技术研究院有限公司 | Spheroidal graphene oxide and preparation method and application thereof |
| CN111653777A (en) * | 2020-05-20 | 2020-09-11 | 佛山科学技术学院 | Graphene/sulfur porous microsphere composite material used as lithium-sulfur battery anode and preparation method thereof |
| CN115536010A (en) * | 2021-12-17 | 2022-12-30 | 曲靖华金雨林科技有限责任公司 | Preparation method of graphene |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108117913B (en) | 2021-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108117913A (en) | A kind of preparation method and purposes of spherical graphite alkene lubricating additive | |
| CN105176628B (en) | The preparation method of the lubricating oil of graphene-supported nano-oxide | |
| CN105647612B (en) | A kind of lubricating grease containing nano-carbon material and preparation method thereof | |
| CN107177399B (en) | A kind of preparation process of high concentration high stable wear resistence graphene lube oil additive | |
| CN105969481B (en) | Lube oil additive and preparation method thereof containing nano-carbon material | |
| CN105316077A (en) | Graphene and carbon nitride quantum dot composite nanometer material, as well as lubricating oil friction improver | |
| CN103351651B (en) | Preparation method of nano molybdenum disulfide organic dispersion liquid | |
| CN111440651B (en) | Preparation method of black phosphorus alkene/graphene oxide composite water-based lubricant additive | |
| CN107805530B (en) | Graphene/manganous manganic oxide composite nano lubricating additive and synthetic method thereof | |
| CN105969478A (en) | Preparation method of calcium borate/graphene oxide nano composite lubricant | |
| CN106811265A (en) | The preparation method of Graphene modification of lubricating oils, the product for obtaining and purposes | |
| CN107686761B (en) | In-situ rapid preparation method of noctilucent algae-like graphene-coated silicon carbide microspheres | |
| CN105505522A (en) | Lubricating oil additive containing nano diamond alkenes and preparation method of lubricating oil additive | |
| CN102559338A (en) | Method for preparing nanoscale lubricant additive | |
| CN102911774A (en) | Lubricating grease containing carbon nanotubes and preparation method of lubricating grease | |
| CN109897376A (en) | A kind of composite polyimide material and preparation method thereof | |
| CN101698808B (en) | Plate-strip steel cold-rolling emulsified oil containing nanometer hexagonal boron nitride particles, and preparation method | |
| CN107325858A (en) | A kind of preparation method of liquid-type graphene additive | |
| CN105925360B (en) | A kind of preparation method for adding self repairing agent lithium base grease | |
| Wang et al. | Preparation of chemically functionalized graphene with excellent dispersibility and tribological properties as lubricant additives by microwave-assisted ball milling | |
| CN105779081B (en) | A kind of composite graphite alkene microplate and preparation method and the application in lubricant grease | |
| CN106811283B (en) | Modified lubricating oil, preparation method and application | |
| CN106566592B (en) | Prepare method, expanded graphite alkene agent oil additive and the lubricant of expanded graphite alkene lubricant additive | |
| CN104229853A (en) | Preparation method of self-lubrication material nanometer calcium fluoride for ceramic cutting tool | |
| CN106147939A (en) | A kind of additive for wear resistance of lubricating oil based on few layer graphene microplate and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |