CN107254345B - Graphene lubricating oil - Google Patents
Graphene lubricating oil Download PDFInfo
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- CN107254345B CN107254345B CN201710438720.XA CN201710438720A CN107254345B CN 107254345 B CN107254345 B CN 107254345B CN 201710438720 A CN201710438720 A CN 201710438720A CN 107254345 B CN107254345 B CN 107254345B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/026—Butene
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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- 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- 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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention relates to lubricating oil, and provides graphene lubricating oil, which solves the problems that the lubricating oil in the prior art is poor in wear resistance and oxidation resistance and the fluoride modified lubricating oil has certain pollution to the environment, and comprises base oil, a modified graphene additive and an auxiliary agent, wherein the dosage ratio of the base oil to the modified graphene additive to the auxiliary agent is 1: 0.05-0.2: 0.05-0.15, and the preparation method of the modified graphene additive comprises the following steps: dispersing graphene: mixing graphene with dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum, and performing ultrasonic dispersion treatment for 30-50 min at the ultrasonic power of 800-1000W to obtain a dispersed graphene solution; and mixing the dispersed graphene solution with aminobenzoic acid, and uniformly stirring for 45-60 min at a stirring speed of 300-500 r/min.
Description
Technical Field
The invention relates to lubricating oil, in particular to graphene lubricating oil.
Background
The common lubricating oil in the market at present has no outstanding effect on the aspects of wear resistance and oxidation resistance, and the common lubricating oil with better effect is added with fluoride which has certain pollution to the environment, so that a product which has good part protection effect, is environment-friendly and has long service life is lacking in the market at present. Graphene is the thinnest material and the toughest material, and the breaking strength is 200 times higher than that of the best steel. Meanwhile, the plastic has good elasticity, the stretching amplitude can reach 20% of the size of the plastic, and the plastic can have good conductivity by doping one percent of graphene into the plastic; one thousandth of graphene is added, so that the heat resistance of the plastic can be improved by 30 ℃, and the graphene has stable chemical properties.
Chinese patent No. 201210434814.7, discloses a high thermal conductivity lubricating oil, comprising: 89.7% by weight of HVI150SN lubricating oil, 10% by weight of fluorinated graphene nanosheets and 0.3% by weight of oleic acid; the preparation method of the lubricating oil comprises the following steps: 1) preparing a fluorinated graphene nanosheet by adopting a fluorinated graphite stripping method: 1.1) directly reacting carbon and fluorine at 500 ℃ to generate graphite fluoride; 1.2) solvent intercalation treatment of graphite fluoride: intercalation solvent N, N-Dimethylformamide (DMF), dissolving 500mg graphite fluoride in 500ml DMF, heating and refluxing for 2 hr; 1.3) ultrasonic process of graphite fluoride: the suspension obtained in the step 1.2) is subjected to super-high treatment at the power of 200WThe sound frequency is 40Hz, the ultrasonic temperature is 25 ℃, and the ultrasonic time is 6 hours; 1.4) separation and drying of fluorinated graphene nanosheets: obtaining fluorinated graphene wet powder by adopting a high-speed centrifugal separation method, and then drying in vacuum at 60 ℃ to obtain fluorinated graphene nanosheets; the thickness of the prepared fluorinated graphene is 2-20nm, and the apparent density is 0.05g/cm3(ii) a 2) Preparing a lubricating oil containing fluorinated graphene nanosheets: 2.1) mixing the fluorinated graphene nanosheets obtained by the method with oleic acid, and gradually adding the mixture into HVI150SN lubricating oil base oil; 2.2) mechanically stirring the mixture at a high speed for 30 minutes at the temperature of 60 ℃, and then carrying out rubber milling for 60 minutes to obtain the stably dispersed lubricating oil. The lubricating oil is modified by adopting fluorinated graphene, so that the obtained lubricating oil is good in stable dispersing performance, but fluoride has certain pollution to the environment and is not friendly to the environment.
Disclosure of Invention
Therefore, aiming at the above, the invention provides the graphene lubricating oil, which solves the problems that the lubricating oil in the prior art is poor in wear resistance and oxidation resistance and the fluoride modified lubricating oil has certain pollution to the environment.
In order to achieve the purpose, the invention is realized by the following technical scheme: the graphene lubricating oil comprises base oil, a modified graphene additive and an auxiliary agent, wherein the dosage ratio of the base oil to the modified graphene additive to the auxiliary agent is 1: 0.05-0.2: 0.05-0.15, and the preparation method of the modified graphene additive comprises the following steps: dispersing graphene: mixing graphene with dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum, and performing ultrasonic dispersion treatment for 30-50 min at the ultrasonic power of 800-1000W to obtain a dispersed graphene solution; mixing the dispersed graphene solution with aminobenzoic acid, and uniformly stirring for 45-60 min at a stirring speed of 300-500 r/min; the auxiliary agent comprises an antioxidant, a friction moderator, a viscosity index improver, an emulsifier and a dispersant, wherein the weight ratio of the antioxidant to the friction moderator to the viscosity index improver is 1: 0.5-1: 1: 0.3-0.8: 0.7 to 1.5 by weight.
Further: the dosage ratio of the graphene, the dimethylformamide, the sodium alkyl benzene sulfonate, the Arabic gum and the aminobenzoic acid is 0.1-0.4: 2-5: 3-8: 10-15: 15 to 20.
Further: the antioxidant, the friction moderator, the viscosity index improver, the emulsifier and the dispersant are mixed according to the weight ratio of 1: 1: 1: 0.5: 1.0 by weight.
Further: the base oil is any one of mineral base oil, synthetic base oil and vegetable base oil.
Further: the emulsifier is sodium stearate, and the viscosity index improver is polyisobutylene.
By adopting the technical scheme, the invention has the beneficial effects that: the graphene lubricating oil disclosed by the invention is modified by adopting graphene, and the graphene is modified by using dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum aminobenzoic acid, so that the graphene has a carboxylation function, the dispersion performance of the graphene is improved, and the graphene can be better combined with base oil, so that the anti-wear performance and the oxidation resistance of the lubricating oil are improved. The graphene lubricating oil disclosed by the invention is free from fluoride, free from pollution and damage to the environment, environment-friendly and environment-friendly.
Detailed Description
The following detailed description will be provided for the embodiments of the present invention with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Unless otherwise indicated, the techniques employed in the examples are conventional and well known to those skilled in the art, and the reagents and products employed are also commercially available. The source, trade name and if necessary the constituents of the reagents used are indicated at the first appearance.
Example one
The graphene lubricating oil comprises mineral base oil, a modified graphene additive and an auxiliary agent, wherein the dosage ratio of the base oil to the modified graphene additive to the auxiliary agent is 1: 0.05: 0.15, the preparation method of the modified graphene additive comprises the following steps: dispersing graphene: mixing graphene with dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum, and performing ultrasonic dispersion treatment for 30min at the ultrasonic power of 800W to obtain a dispersed graphene solution; mixing the dispersed graphene solution with aminobenzoic acid, and uniformly stirring, wherein the stirring time is 45min, and the stirring speed is controlled at 300 r/min; the auxiliary agent comprises an antioxidant, a friction moderator, a polyisobutene viscosity index improver, a sodium stearate emulsifier and a dispersant, wherein the weight ratio of the antioxidant to the friction moderator to the polyisobutene viscosity index improver is 1: 0.5: 1: 0.3: 0.7 in weight ratio. The dosage ratio of the graphene, the dimethylformamide, the sodium alkyl benzene sulfonate, the Arabic gum and the aminobenzoic acid is 0.1-0.4: 2-5: 3-8: 10-15: 15 to 20.
Example two
The graphene lubricating oil comprises synthetic base oil, a modified graphene additive and an auxiliary agent, wherein the dosage ratio of the base oil to the modified graphene additive to the auxiliary agent is 1: 0.01: 0.1, the preparation method of the modified graphene additive comprises the following steps: dispersing graphene: mixing graphene with dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum, and performing ultrasonic dispersion treatment for 40min at the ultrasonic power of 900W to obtain a dispersed graphene solution; mixing the dispersed graphene solution with aminobenzoic acid, and uniformly stirring, wherein the stirring time is 55min, and the stirring speed is controlled at 400 r/min; the auxiliary agent comprises an antioxidant, a friction moderator, a polyisobutene viscosity index improver, a sodium stearate emulsifier and a dispersant, wherein the weight ratio of the antioxidant to the friction moderator to the polyisobutene viscosity index improver is 1: 0.8: 1: 0.5: 1, in a weight ratio. The dosage ratio of the graphene, the dimethylformamide, the sodium alkyl benzene sulfonate, the Arabic gum and the aminobenzoic acid is 0.2: 3: 5: 12: 17.
EXAMPLE III
The graphene lubricating oil comprises vegetable base oil, a modified graphene additive and an auxiliary agent, wherein the dosage ratio of the base oil to the modified graphene additive to the auxiliary agent is 1: 0.2: 0.15, the preparation method of the modified graphene additive comprises the following steps: dispersing graphene: mixing graphene with dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum, and performing ultrasonic dispersion treatment for 50min at the ultrasonic power of 1000W to obtain a dispersed graphene solution; mixing the dispersed graphene solution with aminobenzoic acid, and uniformly stirring for 60min at a stirring speed of 500 r/min; the auxiliary agent comprises an antioxidant, a friction moderator, a polyisobutene viscosity index improver, a sodium stearate emulsifier and a dispersant, wherein the weight ratio of the antioxidant to the friction moderator to the polyisobutene viscosity index improver is 1: 1: 1: 0.8: 1.5 in weight ratio. The dosage ratio of the graphene, the dimethylformamide, the sodium alkyl benzene sulfonate, the Arabic gum and the aminobenzoic acid is 0.4: 5: 8: 15: 20.
in the invention, the dosage ratio of the base oil to the modified graphene additive and the auxiliary agent is 1: 0.05-0.2: 0.05 to 0.15; the auxiliary agent comprises an antioxidant, a friction moderator, a viscosity index improver, an emulsifier and a dispersant, wherein the weight ratio of the antioxidant to the friction moderator to the viscosity index improver is 1: 0.5-1: 1: 0.3-0.8: 0.7-1.5, and the antioxidant, the friction moderator and the dispersant are all additives which are conventionally used in lubricating oil.
By using the lubricating oils of the above examples, the performance was compared with that of conventional commercially available lubricating oils, and the test results are shown in Table 1:
TABLE 1
As can be seen from Table 1, the graphene lubricating oil disclosed by the invention has better dispersibility and flowability, is smaller in friction coefficient and reduces friction.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (5)
1. A graphite alkene lubricating oil, includes base oil, its characterized in that: the modified graphene oil-based composite material further comprises a modified graphene additive and an auxiliary agent, wherein the dosage ratio of the base oil to the modified graphene additive and the auxiliary agent is 1: 0.05-0.2: 0.05-0.15, and the preparation method of the modified graphene additive comprises the following steps: dispersing graphene: mixing graphene with dimethylformamide, sodium alkyl benzene sulfonate and Arabic gum, and performing ultrasonic dispersion treatment for 30-50 min at the ultrasonic power of 800-1000W to obtain a dispersed graphene solution; mixing the dispersed graphene solution with aminobenzoic acid, and uniformly stirring for 45-60 min at a stirring speed of 300-500 r/min; the auxiliary agent comprises an antioxidant, a friction moderator, a viscosity index improver, an emulsifier and a dispersant, wherein the weight ratio of the antioxidant to the friction moderator to the viscosity index improver is 1: 0.5-1: 1: 0.3-0.8: 0.7 to 1.5 by weight.
2. The graphene lubricant oil according to claim 1, wherein: the dosage ratio of the graphene, the dimethylformamide, the sodium alkyl benzene sulfonate, the Arabic gum and the aminobenzoic acid is 0.1-0.4: 2-5: 3-8: 10-15: 15 to 20.
3. The graphene lubricant oil according to claim 2, wherein: the antioxidant, the friction moderator, the viscosity index improver, the emulsifier and the dispersant are mixed according to the weight ratio of 1: 1: 1: 0.5: 1.0 by weight.
4. The graphene lubricant oil according to claim 3, wherein: the base oil is any one of mineral base oil, synthetic base oil and vegetable base oil.
5. The graphene lubricant oil according to claim 4, wherein: the emulsifier is sodium stearate, and the viscosity index improver is polyisobutylene.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710438720.XA CN107254345B (en) | 2017-06-12 | 2017-06-12 | Graphene lubricating oil |
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| CN201710438720.XA CN107254345B (en) | 2017-06-12 | 2017-06-12 | Graphene lubricating oil |
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| CN107254345B true CN107254345B (en) | 2019-12-24 |
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| CN116218586A (en) * | 2023-02-01 | 2023-06-06 | 河北鑫达能源股份有限公司 | Lubricating oil and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812351A (en) * | 2010-04-01 | 2010-08-25 | 江苏工业学院 | Lubricating oil additive based on single-layer or more-layer graphene |
| CN104031716A (en) * | 2013-03-06 | 2014-09-10 | 安炬科技股份有限公司 | Graphene-containing lubricating oil |
| CN106350153A (en) * | 2016-08-26 | 2017-01-25 | 江苏悦尔科技有限公司 | Modified graphene oxide, engine lubricating oil and application thereof |
| CN106497654A (en) * | 2016-10-18 | 2017-03-15 | 上海应用技术大学 | A kind of graphene-containing lubricating oil and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8222190B2 (en) * | 2009-08-19 | 2012-07-17 | Nanotek Instruments, Inc. | Nano graphene-modified lubricant |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812351A (en) * | 2010-04-01 | 2010-08-25 | 江苏工业学院 | Lubricating oil additive based on single-layer or more-layer graphene |
| CN104031716A (en) * | 2013-03-06 | 2014-09-10 | 安炬科技股份有限公司 | Graphene-containing lubricating oil |
| CN106350153A (en) * | 2016-08-26 | 2017-01-25 | 江苏悦尔科技有限公司 | Modified graphene oxide, engine lubricating oil and application thereof |
| CN106497654A (en) * | 2016-10-18 | 2017-03-15 | 上海应用技术大学 | A kind of graphene-containing lubricating oil and preparation method thereof |
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