CN111876215A - Antiwear agent for lubricating oil and preparation method thereof - Google Patents
Antiwear agent for lubricating oil and preparation method thereof Download PDFInfo
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- CN111876215A CN111876215A CN202010583780.2A CN202010583780A CN111876215A CN 111876215 A CN111876215 A CN 111876215A CN 202010583780 A CN202010583780 A CN 202010583780A CN 111876215 A CN111876215 A CN 111876215A
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- antiwear agent
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 25
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000005751 Copper oxide Substances 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 16
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 13
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002199 base oil Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 12
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 12
- 229910052700 potassium Inorganic materials 0.000 claims description 12
- 239000011591 potassium Substances 0.000 claims description 12
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000013556 antirust agent Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 5
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 5
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 5
- 239000001593 sorbitan monooleate Substances 0.000 claims description 5
- 229960002317 succinimide Drugs 0.000 claims description 5
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 4
- 229940022682 acetone Drugs 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229940032159 propylene carbonate Drugs 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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
- C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
-
- 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- 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
- C10M2207/08—Aldehydes; Ketones
-
- 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
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
-
- 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
- C10M2207/28—Esters
- C10M2207/32—Esters of carbonic acid
-
- 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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
-
- 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
- C10M2215/086—Imides [having hydrocarbon substituents containing less than thirty carbon atoms]
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/066—Organic compounds derived from inorganic acids or metal salts derived from Mo or W
Landscapes
- 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 an antiwear agent, in particular to an antiwear agent for lubricating oil, which is prepared from the following materials in parts by weight: 70-80 parts of base oil, 2-6 parts of nano graphene, 3-5 parts of molybdate, 3-6 parts of nano polytetrafluoroethylene powder, 1-4 parts of borate, 0.2-0.8 part of nano copper oxide, 1-5 parts of a dispersing agent and 1-2 parts of an additive. The antiwear agent for lubricating oil provided by the invention greatly enhances the oil film strength, reduces the friction coefficient and has good antiwear and antifriction effects on various lubricating oils through the synergistic cooperation of the components.
Description
Technical Field
The invention relates to an antiwear agent, in particular to an antiwear agent for lubricating oil and a preparation method thereof.
Background
The antiwear agent is one of 5 major additives of modern lubricating oil, and plays a significant role in lubricating oil additives. However, the protective film formed by the existing antiwear agent is easy to damage, and the antifriction effect is not ideal.
Disclosure of Invention
In order to solve the problems, the invention provides an antiwear agent for lubricating oil, which can form a multilayer antiwear layer and a protective film and has good antifriction effect, and the specific technical scheme is as follows:
an antiwear agent for lubricating oil is prepared from the following materials in parts by weight: 70-80 parts of base oil, 2-6 parts of nano graphene, 3-5 parts of molybdate, 3-6 parts of nano polytetrafluoroethylene powder, 1-4 parts of borate, 0.2-0.8 part of nano copper oxide, 1-5 parts of a dispersing agent and 1-2 parts of an additive.
Preferably, the additive comprises an antirust agent and an antifoaming agent, wherein the antirust agent accounts for 80-90% by mass, and the antifoaming agent accounts for 10-20% by mass.
Preferably, the dispersant is any one or more of succinimide, sorbitan monooleate, acetone and propylene carbonate.
A preparation method of an antiwear agent for lubricating oil comprises the following steps:
mixing nano graphene, molybdate, nano polytetrafluoroethylene powder, borate, nano copper oxide and a dispersing agent, and then performing ultrasonic dispersion; adding base oil and additive, and stirring.
The preparation method of the nano copper oxide comprises the following steps:
preparing a copper chloride solution and a potassium borohydride solution; adding ammonia water into the copper chloride solution, and simultaneously adjusting the pH value to 12; adding ammonia water into the potassium borohydride solution, and simultaneously adjusting the pH value to 12; slowly dropping the copper chloride solution added with the ammonia water into the potassium borohydride solution while stirring, and controlling the molar ratio of the copper chloride to the potassium borohydride to be 1: 1; standing the solution until the nano copper is suspended on the upper layer of the solution; carrying out suction filtration to separate the nano copper; and washing and drying to obtain the nano copper.
The nano-copper prepared by the liquid phase reduction method is uniformly dispersed and spherical, and the diameter of the nano-copper is 20-30 nanometers.
The nano graphene and the nano copper oxide can be combined into a compound, the agglomeration of the graphene can be modified, and the nano graphene and molybdate can form a lubricating film.
The nano particles change single sliding friction into composite friction of sliding and rolling, and the purpose of reducing friction is achieved by changing the friction mode. The nano particles are attached to or embedded in the surface of the friction pair; or new substances are generated on the two friction surfaces and certain elements in the friction pair, and friction does not occur in the friction pair body.
The polytetrafluoroethylene can form a layered structure, is filled between the friction pairs, and can be combined with the graphene to form a multilayer structure, so that the friction reduction is effectively realized.
The boric acid ester can form an organic film and an inorganic film, and has good extreme pressure, wear resistance and friction reduction effects.
The antiwear agent can form a specific adsorption film on the surface of the friction metal, so that the friction consumption and the wear loss can be effectively reduced, and the antiwear and antifriction properties of the lubricating oil are improved.
The dispersing agent can uniformly disperse all components in the invention, particularly uniformly disperse the nano graphene, and avoid the occurrence of agglomeration.
The friction reduction rate is 20-30%, the diameter of the abrasion spot is 0.4-0.7 mm, and the temperature rise is 23-28 ℃. Compared with the prior art, the invention has the following beneficial effects:
the antiwear agent for lubricating oil provided by the invention greatly enhances the oil film strength, reduces the friction coefficient and has good antiwear and antifriction effects on various lubricating oils through the synergistic cooperation of the components, and the antiwear agent has the advantages of simple preparation method and low cost.
Detailed Description
The present invention will now be further described with reference to examples.
An antiwear agent for lubricating oil is prepared from the following materials in parts by weight:
70-80 parts of base oil, 2-6 parts of nano graphene, 3-5 parts of molybdate, 3-6 parts of nano polytetrafluoroethylene powder, 1-4 parts of borate, 0.2-0.8 part of nano copper oxide, 1-5 parts of a dispersing agent and 1-2 parts of an additive.
The additive comprises an antirust agent and a defoaming agent, wherein the antirust agent accounts for 80-90% by mass, and the defoaming agent accounts for 10-20% by mass.
The dispersant is any one or more of succinimide, sorbitan monooleate, acetone and propylene carbonate.
The nano graphene and the nano copper oxide can be combined into a compound, the agglomeration of the graphene can be modified, and the nano graphene and molybdate can form a lubricating film.
The nano particles change single sliding friction into composite friction of sliding and rolling, and the purpose of reducing friction is achieved by changing the friction mode. The nano particles are attached to or embedded in the surface of the friction pair; or new substances are generated on the two friction surfaces and certain elements in the friction pair, and friction does not occur in the friction pair body.
The polytetrafluoroethylene can form a layered structure, is filled between the friction pairs, and can be combined with the graphene to form a multilayer structure, so that the friction reduction is effectively realized.
The boric acid ester can form an organic film and an inorganic film, and has good extreme pressure, wear resistance and friction reduction effects.
The antiwear agent can form a specific adsorption film on the surface of the friction metal, so that the friction consumption and the wear loss can be effectively reduced, and the antiwear and antifriction properties of the lubricating oil are improved.
The dispersing agent can uniformly disperse all components in the invention, particularly uniformly disperse the nano graphene, and avoid the occurrence of agglomeration.
The friction reduction rate is 20-30%, the diameter of the abrasion spot is 0.4-0.7 mm, and the temperature rise is 23-28 ℃.
Example one
70 parts of base oil, 2 parts of nano graphene, 3 parts of molybdate, 3 parts of nano polytetrafluoroethylene powder, 1 part of borate, 0.2 part of nano copper oxide, 1 part of dispersant and 1 part of additive.
The dispersant is succinimide.
EXAMPLE III
74 parts of base oil, 3 parts of nano graphene, 3.5 parts of molybdate, 4 parts of nano polytetrafluoroethylene powder, 2 parts of borate, 0.5 part of nano copper oxide, 3 parts of a dispersing agent and 2 parts of an additive.
The dispersant is sorbitan monooleate.
Example four
78 parts of base oil, 5 parts of nano graphene, 4 parts of molybdate, 5 parts of nano polytetrafluoroethylene powder, 3 parts of borate, 0.6 part of nano copper oxide, 5 parts of a dispersing agent and 2 parts of an additive.
The dispersant is a mixture of succinimide and sorbitan monooleate.
EXAMPLE five
80 parts of base oil, 6 parts of nano graphene, 5 parts of molybdate, 6 parts of nano polytetrafluoroethylene powder, 4 parts of borate, 0.8 part of nano copper oxide, 5 parts of a dispersing agent and 2 parts of an additive.
The dispersant is a mixture of acetone and propylene carbonate.
A preparation method of an antiwear agent for lubricating oil comprises the following steps: mixing nano graphene, molybdate, nano polytetrafluoroethylene powder, borate, nano copper oxide and a dispersing agent, and then performing ultrasonic dispersion; adding base oil and additive, and stirring.
The preparation method of the nano copper oxide comprises the following steps: preparing a copper chloride solution and a potassium borohydride solution; adding ammonia water into the copper chloride solution, and simultaneously adjusting the pH value to 12; adding ammonia water into the potassium borohydride solution, and simultaneously adjusting the pH value to 12; slowly dropping the copper chloride solution added with the ammonia water into the potassium borohydride solution while stirring, and controlling the molar ratio of the copper chloride to the potassium borohydride to be 1: 1; standing the solution until the nano copper is suspended on the upper layer of the solution; carrying out suction filtration to separate the nano copper; and washing and drying to obtain the nano copper.
The nano-copper prepared by the liquid phase reduction method is uniformly dispersed and spherical, and the diameter of the nano-copper is 20-30 nanometers.
The antiwear agent for lubricating oil provided by the invention greatly enhances the oil film strength, reduces the friction coefficient and has good antiwear and antifriction effects on various lubricating oils through the synergistic cooperation of the components, and the antiwear agent has the advantages of simple preparation method and low cost.
Claims (5)
1. The antiwear agent for the lubricating oil is characterized by being prepared from the following materials in parts by weight:
70-80 parts of base oil, 2-6 parts of nano graphene, 3-5 parts of molybdate, 3-6 parts of nano polytetrafluoroethylene powder, 1-4 parts of borate, 0.2-0.8 part of nano copper oxide, 1-5 parts of a dispersing agent and 1-2 parts of an additive.
2. The antiwear agent for lubricating oil according to claim 1, wherein,
the additive comprises an antirust agent and a defoaming agent, wherein the antirust agent accounts for 80-90% by mass, and the defoaming agent accounts for 10-20% by mass.
3. The antiwear agent for lubricating oil according to claim 1, wherein,
the dispersant is any one or more of succinimide, sorbitan monooleate, acetone and propylene carbonate.
4. A preparation method of an antiwear agent for lubricating oil is characterized by comprising the following steps:
mixing nano graphene, molybdate, nano polytetrafluoroethylene powder, borate, nano copper oxide and a dispersing agent, and then performing ultrasonic dispersion;
adding base oil and additive, and stirring.
5. The method for preparing an antiwear agent for lubricating oil according to claim 4,
the preparation method of the nano copper oxide comprises the following steps:
preparing a copper chloride solution and a potassium borohydride solution;
adding ammonia water into the copper chloride solution, and simultaneously adjusting the pH value to 12;
adding ammonia water into the potassium borohydride solution, and simultaneously adjusting the pH value to 12;
slowly dropping the copper chloride solution added with the ammonia water into the potassium borohydride solution while stirring, and controlling the molar ratio of the copper chloride to the potassium borohydride to be 1: 1;
standing the solution until the nano copper is suspended on the upper layer of the solution;
carrying out suction filtration to separate the nano copper;
and washing and drying to obtain the nano copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010583780.2A CN111876215A (en) | 2020-06-23 | 2020-06-23 | Antiwear agent for lubricating oil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010583780.2A CN111876215A (en) | 2020-06-23 | 2020-06-23 | Antiwear agent for lubricating oil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111876215A true CN111876215A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010583780.2A Withdrawn CN111876215A (en) | 2020-06-23 | 2020-06-23 | Antiwear agent for lubricating oil and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111876215A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736537A (en) * | 2021-10-10 | 2021-12-03 | 河北工程大学 | Preparation method of nano boron nitride-copper oxide lubricating additive |
| CN116002675A (en) * | 2022-12-27 | 2023-04-25 | 东莞市欧迪斯润滑剂科技有限公司 | Preparation method of modified graphene |
-
2020
- 2020-06-23 CN CN202010583780.2A patent/CN111876215A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736537A (en) * | 2021-10-10 | 2021-12-03 | 河北工程大学 | Preparation method of nano boron nitride-copper oxide lubricating additive |
| CN116002675A (en) * | 2022-12-27 | 2023-04-25 | 东莞市欧迪斯润滑剂科技有限公司 | Preparation method of modified graphene |
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Application publication date: 20201103 |