CN108485783A - Water-based lubricating liquid - Google Patents
Water-based lubricating liquid Download PDFInfo
- Publication number
- CN108485783A CN108485783A CN201810383007.4A CN201810383007A CN108485783A CN 108485783 A CN108485783 A CN 108485783A CN 201810383007 A CN201810383007 A CN 201810383007A CN 108485783 A CN108485783 A CN 108485783A
- Authority
- CN
- China
- Prior art keywords
- water
- based lubricating
- lubricating liquid
- graphene
- friction coefficient
- 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.)
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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
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- 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
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
-
- 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
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
-
- 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
Abstract
The invention discloses water-based lubricating liquids.The water-based lubricating liquid includes：Graphene, alcohols and water.The water-based lubricating liquid friction coefficient is low, wear resistence is good, and raw material is simple and easy to get, of low cost, will not cause environmental pollution, environmentally protective, easy to utilize, has very high practical value.
Description
Technical field
The present invention relates to chemical fields, and in particular, to water-based lubricating liquid.
Background technology
Friction and its abrasion caused, suffer from the energy, environment, technology and the economic dispatch level within the scope of the world today
Tremendous influence.According to statistics, the whole world about 30~50% to the energy be consumed in process of friction and wear.In addition, currently on the market
Most of lubrication product be based on mineral oil or synthetic oil, this class lubricating oil pollutes the environment, and friction coefficient
Generally 0.1 or so, and do not have very excellent greasy property, and the production process of this class lubricating oil is complex, at
This is higher.
Current existing water-based lubricating liquid contains the elements such as a large amount of phosphorus, sulphur, boron mostly, and environmental pollution is very serious,
And the friction coefficient of these water-based lubricating liquids, generally 0.1 or so, relative to traditional petrochemical industry series lubricant agent, there is no much
Advantage.
Lubricating fluid environmentally protective as a result, that friction coefficient is low requires study.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of water-based lubricating liquid, with friction coefficient is low, wear resistence is good, raw material is simple and easy to get, nothing of low cost and green
The advantages that pollution.
According to an aspect of the present invention, the present invention provides a kind of water-based lubricating liquids.According to an embodiment of the invention, should
Water-based lubricating liquid includes：Graphene；Alcohols；And water.
Water-based lubricating liquid according to the ... of the embodiment of the present invention, friction coefficient is low, wear resistence is good, and raw material is simple and easy to get, at
This is cheap, will not cause environmental pollution, environmentally protective, easy to utilize, has very high practical value.
In addition, water-based lubricating liquid according to the above embodiment of the present invention can also have following additional technical characteristic：
According to an embodiment of the invention, the graphene is graphene oxide.
According to an embodiment of the invention, the graphene oxide is prepared using Hummers methods.
According to an embodiment of the invention, the thickness of the graphene is 1~5 layer, and piece diameter is 0.2~4 μm.
According to an embodiment of the invention, the alcohols is dihydric alcohol.
According to an embodiment of the invention, the alcohols is selected from ethylene glycol, 1,3-PD, 1,4-butanediol and poly- second two
At least one of alcohol.
According to an embodiment of the invention, the water is deionized water.
According to an embodiment of the invention, the mass ratio of the ratio of the graphene, the alcohols and the water be (0.1~
0.2)：(10~20)：(70~90).
According to an embodiment of the invention, the mass ratio of the graphene, the alcohols and the water is (0.15~0.2)：
(15~18)：(80~85).
According to an embodiment of the invention, the stabilization friction coefficient of the water-based lubricating liquid is not more than 0.01.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows the result schematic diagram of the friction coefficient detection of water-based lubricating liquid according to an embodiment of the invention；
Fig. 2 shows the result schematic diagram of the friction coefficient detection of water-based lubricating liquid according to an embodiment of the invention；
Fig. 3 shows the result schematic diagram of the friction coefficient detection of water-based lubricating liquid according to an embodiment of the invention；
Fig. 4 shows the result schematic diagram of the abrasion resistance detection of water-based lubricating liquid according to an embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
According to an aspect of the present invention, the present invention provides a kind of water-based lubricating liquids.According to an embodiment of the invention, should
Water-based lubricating liquid includes：Graphene, alcohols and water.
Water-based lubricating liquid according to the ... of the embodiment of the present invention, friction coefficient is low, wear resistence is good.Some implementations according to the present invention
Example, the friction coefficient of the water-based lubricating liquid can be down to 0.01 or less.
Also, the water-based lubricating liquid raw material of the embodiment of the present invention is simple and easy to get, of low cost.
In addition, the elements such as the water base lubricant of the embodiment of the present invention is not phosphorous, sulphur, boron, will not cause environmental pollution, green
Environmental protection, it is easy to utilize, there is very high practical value.
Wherein, it should be noted that term used herein " alcohols " refers in molecule containing with alkyl or benzene ring side chain
On carbon combine hydroxyl compound, wherein alkyl and the phenyl ring containing side chain are arbitrary substituted alkyl and contain side chain
Phenyl ring.
Wherein, it should be noted that term used herein " graphene " be one kind by carbon atom with sp2Hybridized orbit group
It is in the two-dimentional carbon nanomaterial of honeycomb lattice at hexangle type.
Further, after graphene is oxidized, oxygen-containing functional group increases and keeps property more active compared with graphene thereon.Hair
A person of good sense has found that if, using graphene oxide, the oxygen-containing functional group of graphene oxide can adsorb the hydroxyl of alcohols, make graphite oxide
Alkene is coated by alcohol molecule, to which friction coefficient, and the good dispersion of graphene oxide be greatly reduced, it is possible to reduce is reunited existing
As.
According to an embodiment of the invention, which is prepared using Hummers methods.Hummers legal systems
Standby graphene oxide is a kind of method for preparing graphene oxide of existing comparative maturity, inventor the study found that relative to
Graphene oxide prepared by other methods, the surface of graphene oxide obtained by Hummers methods have more oxygen-containing functional groups, this
Two aspects play the role of in a little functional groups：On the one hand, the dispersion for promoting graphene oxide avoids that agglomeration occurs, without addition
Any surfactant or dispersant, so that it may to reach good dispersion effect；On the other hand, oxygen-containing functional group can adsorb binary
Alcohol makes graphene oxide be coated by alcohol molecule, to which friction coefficient be greatly reduced.
According to an embodiment of the invention, the thickness of the graphene is 1~5 layer, and piece diameter is 0.2~4 μm.Graphene as a result,
Thickness it is thin, piece diameter is small, is easily dispersed between engaging friction pair, significantly reduces friction secondary friction coefficient and wear extent.
According to an embodiment of the invention, alcohols is dihydric alcohol.Dihydric alcohol contains hydroxyl as a result, is easily grafted to graphene
On.According to a preferred embodiment of the invention, which can be selected from ethylene glycol, 1,3-PD, 1,4-butanediol and poly- second
At least one of glycol.The good dispersion of lubricating fluid as a result, lubricity and wear resistence significantly improve.
According to an embodiment of the invention, water is deionized water.Avoid ion in water and other impurities to lubricating fluid as a result,
Lubricity and wear resistence influence.
According to an embodiment of the invention, the mass ratio of graphene, alcohols and water is (0.1~0.2)：(10~20)：(70~
90), wherein water can with the arbitrary mass ratio between 70-90, for example, it may be 70,71,73,74,75,76,77,78,79,
82,85,88 and 89 etc., alcohols can be the arbitrary mass ratio between 10~20, for example, it may be 11,12,14,15,18 and 19
Deng, correspondingly, graphene can also be the arbitrary mass ratio between 0.1~0.2, for example, it may be 0.11,0.12,0.15,
0.17 and 0.18.It is further preferred that the mass ratio of graphene, alcohols and water is (0.15~0.2)：(15~18)：(80~
85), wherein when the mass ratio of graphene, alcohols and water is 0.17：16.7：When 83.13, the good dispersion of lubricating fluid, lubricity
More preferably with wear resistence.
Currently, the friction coefficient of common lubricant is 0.1 or so, high-end product also can only achieve 0.08 or so, according to this
The stabilization friction coefficient of the embodiment of invention, the water-based lubricating liquid is not more than 0.01, and friction coefficient is substantially less than existing lubrication
Agent product, greasy property is splendid, and raw material is simple and easy to get, of low cost, will not cause environmental pollution, environmentally protective.
Here, being illustrated to the conventional method for preparing the water-based lubricating liquid：
(1) graphene is add to deionized water, carries out the first mixing, which can be ultrasonic mixing, make
Graphene uniform disperses in deionized water, to obtain stable graphene aqueous solution；
(2) alcohols is added, then carries out the second mixing, which can also be ultrasonic mixing, obtain the water based lubrication
Liquid.
Below with reference to specific embodiment, the present invention will be described, it should be noted that these embodiments are only explanation
Property, and be not considered as limiting the invention.
The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following
Embodiment is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Particular technique or item are not specified in embodiment
Part, it is carried out according to technology or condition described in document in the art or according to product description.Agents useful for same or instrument
Production firm person is not specified in device, and being can be with conventional products that are commercially available.
Lubricating fluid prepared by following embodiments, measures its friction coefficient respectively, and specific assay method is：It is ground using friction
Tester (UMT-5, rotation) is damaged, the friction coefficient of lubricating fluid is measured, instrument is calibrated before measuring, it is ensured that measurement result
Accuracy.Determination condition is about 25 DEG C of room temperature, 10%~15%RH of humidity.Secondary friction is respectively diameter 4mm silicon nitride balls and nitrogen
SiClx plane, diameter 4mm silicon nitride balls and silica planar and diameter 4mm silicon nitride balls and sapphire plane.It is nitrogenizing
Lubricating fluid is added dropwise between silicon ball and plane, the load between ball and plane is 3N, and ball is slided in the plane with the speed of 0.1m/s.
Embodiment 1
1, preparation method
2mg graphene oxides are added in 2g deionized waters, supersound process is used in combination, graphene oxide is made to be dispersed in
In deionized water, 0.4g ethylene glycol is then added, and be ultrasonically treated, obtains water-based lubricating liquid.
2, friction coefficient detects
As shown in FIG. 1, FIG. 1 is what is obtained using above-mentioned lubricating fluid lubrication silicon nitride ball and silicon nitride plane to rub for testing result
Coefficient versus time curve is wiped, as seen from the figure, friction coefficient initial value is less than 0.1, and constantly declines, and is passing through one section
The race of time can stablize 0.01 with after hereinafter, showing that the lubricating fluid has extremely low friction coefficient.
Embodiment 2
1, preparation method
2mg graphene oxides are added in 2g deionized waters, supersound process is used in combination, graphene oxide is made to be dispersed in
In deionized water, the ethylene glycol of 0.4g is then added, and is ultrasonically treated, obtains water-based lubricating liquid.
2, friction coefficient detects
Testing result is as shown in Fig. 2, the lubricating fluid that Fig. 2 is above-mentioned preparation lubricates silicon nitride ball and sapphire plane obtains
The change curve of friction coefficient at any time, as seen from the figure, friction coefficient initial value are less than 0.1, and constantly decline, by one
The race of section time can be reduced to 0.01 hereinafter, showing that the lubricating fluid has extremely low friction coefficient with after.
Embodiment 3
1, preparation method
3mg graphene oxides are added in 2g deionized waters, supersound process is used in combination, graphene oxide is made to be dispersed in
In deionized water, the ethylene glycol 1,3-PD of 0.4g is then added, and is ultrasonically treated, obtains water-based lubricating liquid.
2, friction coefficient detects
Testing result is as shown in figure 3, Fig. 3 is the lubricating fluid lubrication silicon nitride ball of above-mentioned preparation and rubbing for silica planar
Coefficient versus time curve is wiped, as seen from the figure, friction coefficient initial value is more than 0.1, then constantly declines, and is passing through one section
The race of time can stablize 0.01 with after hereinafter, showing that the lubricating fluid has extremely low friction coefficient.
Embodiment 4
1, preparation method
(1) 4mg graphene oxides are added in 2g deionized waters, supersound process is used in combination, graphene oxide is made uniformly to divide
It dissipates in deionized water, 0.4g ethylene glycol is then added, and be ultrasonically treated, obtains water-based lubricating liquid.
(2) 0.4g ethylene glycol is added in 2g deionized waters, supersound process is used in combination, obtain comparison lubricating fluid
2, abrasion resistance detects
After silicon nitride ball and silica planar 30 minutes being lubricated respectively using above-mentioned water-based lubricating liquid and comparison lubricating fluid,
Testing result is as shown in Figure 4, wherein figure a is after water-based lubricating liquid lubricates silicon nitride ball and silica planar, on silicon nitride ball
Mill spot scanning electron microscopic picture, which is about 200 μm, and figure b is that comparison lubricating fluid lubricates silicon nitride ball and titanium dioxide
After silicon plane, the scanning electron microscopic picture of the mill spot on silicon nitride ball, which is about 460 μm, is water-based lubricating liquid mill spot
2.3 times of diameter show that the water-based lubricating liquid has excellent abrasion resistance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of water-based lubricating liquid, which is characterized in that including：
Graphene；
Alcohols；With
Water.
2. water-based lubricating liquid according to claim 1, which is characterized in that the graphene is graphene oxide.
3. water-based lubricating liquid according to claim 2, which is characterized in that the graphene oxide is to utilize Hummers methods
It is prepared.
4. water-based lubricating liquid according to claim 1, which is characterized in that the thickness of the graphene is 1~5 layer, piece diameter
It is 0.2~4 μm.
5. water-based lubricating liquid according to claim 1, which is characterized in that the alcohols is dihydric alcohol.
6. water-based lubricating liquid according to claim 1, which is characterized in that the alcohols is selected from ethylene glycol, 1,3- the third two
At least one of alcohol, 1,4- butanediols and polyethylene glycol.
7. water-based lubricating liquid according to claim 1, which is characterized in that the water is deionized water.
8. water-based lubricating liquid according to claim 1, which is characterized in that the graphene, the alcohols and the water
The mass ratio of ratio is (0.1~0.2)：(10~20)：(70~90).
9. water-based lubricating liquid according to claim 8, which is characterized in that the graphene, the alcohols and the water
Mass ratio is (0.15~0.2)：(15~18)：(80~85).
10. water-based lubricating liquid according to claim 1, which is characterized in that the stabilization friction coefficient of the water-based lubricating liquid
No more than 0.01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383007.4A CN108485783A (en) | 2018-04-26 | 2018-04-26 | Water-based lubricating liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383007.4A CN108485783A (en) | 2018-04-26 | 2018-04-26 | Water-based lubricating liquid |
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| CN108485783A true CN108485783A (en) | 2018-09-04 |
Family
ID=63314100
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| CN201810383007.4A Pending CN108485783A (en) | 2018-04-26 | 2018-04-26 | Water-based lubricating liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085699A (en) * | 2021-12-02 | 2022-02-25 | 中国科学院兰州化学物理研究所 | Liquid lubricant, preparation method and application thereof, and method for quickly realizing super lubrication |
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| CN107011977A (en) * | 2017-04-18 | 2017-08-04 | 济南大学 | A kind of cutting fluid and preparation method thereof |
| CN107880973A (en) * | 2017-10-30 | 2018-04-06 | 湖南金泰检测检验有限公司 | A kind of graphene oxide enhancing lubricant and preparation method thereof |
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| US20130200299A1 (en) * | 2012-02-02 | 2013-08-08 | Baker Hughes Incorporated | Thermally conductive nanocomposition and method of making the same |
| CN105950268A (en) * | 2016-05-24 | 2016-09-21 | 仪征旺海数控设备科技有限公司 | Metal processing multifunctional lubricating agent containing graphene additive and preparation method of metal processing multifunctional lubricating agent |
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| CN114085699A (en) * | 2021-12-02 | 2022-02-25 | 中国科学院兰州化学物理研究所 | Liquid lubricant, preparation method and application thereof, and method for quickly realizing super lubrication |
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