CN110564484A - Antiwear repairing agent for engine oil - Google Patents
Antiwear repairing agent for engine oil Download PDFInfo
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- CN110564484A CN110564484A CN201910872748.3A CN201910872748A CN110564484A CN 110564484 A CN110564484 A CN 110564484A CN 201910872748 A CN201910872748 A CN 201910872748A CN 110564484 A CN110564484 A CN 110564484A
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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
- C10M2201/0413—Carbon; Graphite; Carbon black used as base material
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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
- C10M2201/06—Metal 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
- C10M2201/06—Metal compounds
- C10M2201/063—Peroxides
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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
- C10M2201/08—Inorganic acids or salts thereof
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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
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/082—Inorganic acids or salts thereof containing nitrogen
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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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
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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
- 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
- C10M2227/09—Complexes with metals
Abstract
the invention relates to the technical field of lubricating oil additives, in particular to an anti-wear repairing agent for engine oil, which is prepared from the following raw materials in parts by weight: 40-60 parts of improved lubricant and 40-60 parts of lubricating antiwear agent; the raw materials and the optimal parts by weight are as follows: 50 parts of improved lubricant and 50 parts of lubricating antiwear agent; the improved lubricant comprises the following raw materials in percentage by weight: fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: (6-10): 0.5: (10-15): (3-5): (1-2): (6-12): (50-55). The anti-wear repairing agent has the characteristics of simple production method, low cost, corrosion resistance, extreme pressure resistance, excellent anti-wear, anti-friction and anti-oxidation properties and the like.
Description
Technical Field
the invention relates to the technical field of lubricating oil additives, in particular to an anti-wear repairing agent for engine oil.
Background
The lubricating oil is called industrial blood, the lubricating technology is the most effective anti-wear and anti-friction measure of a mechanical system, and the novel lubricating additive for improving the performance of the lubricating oil and developing the environment-friendly effect is necessary for solving the increasing consumption and environmental protection of the lubricating oil industry. In the 21 st century, along with the development of modern industrial technologies, industrial mechanical equipment is continuously developed in the directions of high-power miniaturization, automation, high precision, power increase, efficiency improvement and reliability increase, friction parts are more complex in design, bear larger load, have higher temperature and are harsher environments, and people put forward higher requirements on the performance of lubricating products.
Fullerene C60Due to its unique structural characteristics, it has become a hot point for research in many subjects such as physics, chemistry, materials science, life science, etc. and related application fields in recent years. It is a quasi-spherical particle composed of concentric closed shells, the interlayer spacing of which is 0.349nm and is close to the interlayer spacing of 0.336nm of graphite, and the particles are all lubricants with excellent performance.
if the fullerene is applied to the lubricating oil, the anti-wear and anti-friction characteristics of the lubricating oil can be greatly improved, and an engine is effectively protected.
The non-sulfur-phosphorus organic molybdenum is the most top-grade friction reducer applied in lubricating oil, and has excellent friction reducing performance, excellent high-temperature oxidation resistance and good oil solubility and dispersibility; the fullerene is matched with the lubricating oil, so that the functions of wear resistance, friction reduction and oxidation resistance of the lubricating oil can be greatly improved, the oil change period can be effectively prolonged, and the engine can be effectively and durably protected.
disclosure of Invention
The invention aims to provide an engine oil anti-wear repairing agent which has the characteristics of simple production method, low cost, corrosion resistance, extreme pressure resistance, excellent anti-wear, anti-friction and anti-oxidation properties and the like.
in order to achieve the above purpose, the invention provides the following technical scheme:
The engine oil anti-wear repairing agent is prepared from the following raw materials in parts by weight: 40-60 parts of improved lubricant and 40-60 parts of lubricating antiwear agent.
Preferably, the raw materials and the optimal parts by weight thereof are as follows: 50 parts of modified lubricant and 50 parts of lubricating antiwear agent.
preferably, the raw materials of the improved lubricant and the weight ratio thereof are as follows:
fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: (6-10): 0.5: (10-15): (3-5): (1-2): (6-12): (50-55).
preferably, the improved lubricant is obtained by processing the following steps:
s1: weighing the raw materials according to the mass ratio;
S2: stirring concentrated sulfuric acid in a reaction bottle under the condition of ice-water bath, sequentially doping fullerene and sodium nitrate under stirring, stirring for 10-20min, controlling the rotating speed to be 1200-1500r/min, adding potassium permanganate for 3 times, controlling the reaction temperature to be 15-20 ℃, stirring for 100-120min, and controlling the rotating speed to be 1500-1700r/min to obtain a mixed solution A;
s3: transferring the reaction bottle filled with the mixed solution A to a constant-temperature water bath condition, controlling the temperature of the water bath at 40 ℃, continuously stirring for 20-30min, and controlling the rotating speed at 1200-1500r/min to obtain a mixed solution B;
S4: heating the mixed solution B to 70-80 ℃, controlling the rotating speed to 800-1000/min, slowly adding hydrogen peroxide and hydrochloric acid with the concentration of 5% for repeated washing, stirring for 20-30min, then carrying out low-speed centrifugal washing by using deionized water, controlling the rotating speed to 600-800r/min, and stopping washing when the pH value is 7 to obtain a mixture C;
s5: dispersing the mixture C in deionized water, ultrasonically vibrating for 60min, centrifuging at the rotating speed of 2000-2200r/min for 20min after the ultrasonic treatment is finished, taking supernatant, and drying in an oven at the oven temperature of 50min to obtain the polar modified fullerene;
s6: adding the polar modified fullerene and polyisobutylene bis-succinimide into a reaction kettle for dispersion, controlling the reaction temperature to be 80-90 ℃, controlling the rotating speed to be 1500-1700r/min, stirring for 180-240min, cooling to be 40-50 ℃, adding non-sulfur-phosphorus organic molybdenum, heating to be 210-220 ℃, controlling the rotating speed to be 2500-3000r/min, continuously stirring for 120-140min, and washing and drying to obtain the organic nitrogen molybdenum fullerene.
The surface energy of the modified fullerene is greatly reduced to form a monomolecular adsorption layer, wherein the oleophilic group faces back to the surface of the fullerene, and the hydrophilic group faces towards the surface of the fullerene, so that the fullerene has oleophilicity, the lubricating oil can generate an oily polar effect on the surface of a metal machine, and the pressure absorption at a lower temperature can be improved, thereby improving the lubrication and reducing the starting friction force; meanwhile, the fullerene is compounded with the non-sulfur-phosphorus organic molybdenum, so that the fullerene is adsorbed on the surface of the non-sulfur-phosphorus organic molybdenum, and the fullerene can be effectively prevented from agglomerating, thereby improving the dispersibility and stability of the organic nitrogen molybdenum fullerene lubricant in lubricating oil.
The improved lubricant forms a physical and chemical adsorption film with the functions of friction reduction and wear resistance on the friction surface under the normal working condition of a lubricating part; under the working conditions of high speed, high temperature, high pressure and the like, a molybdenum element permeable layer and a fullerene eutectic rolling lubricating layer are formed on the surface of the friction pair, and sliding friction is converted into rolling friction due to the spherical shape of fullerene and the characteristics of high temperature resistance, toughness and super lubrication, so that the abrasion among components is greatly reduced, and the fullerene eutectic rolling lubricating oil can be widely applied to engine oil, gear oil, anti-wear hydraulic oil and other special oils; it can also be used as reinforcing agent for increasing antiwear and antifriction performance.
Preferably, the lubricating antiwear agent is a zinc-containing antiwear complex.
the lubricating antiwear agent used by the invention is amber transparent liquid, and the density (20 ℃) is as follows: 0.89 to 0.91kg/m3Flash point: at 110 deg.C, mechanical impurity is less than or equal to 0.10%, and zinc content is greater than or equal to 8%.
further, the lubricating antiwear agent used in the present invention was SR-8016 lubricating antiwear agent available from Santa chemical Co., Ltd, Calif.
preferably, the preparation method of the engine oil antiwear restoration agent comprises the following steps:
s1: weighing the raw materials according to the mass fraction;
s2: adding the improved lubricant and the lubricating antiwear agent in corresponding parts by weight into a reaction kettle for dispersion, controlling the reaction temperature to be 40-50 ℃, controlling the rotating speed to be 1500-1800r/min, and stirring for 100-120min to obtain the engine oil antiwear restoration agent.
The anti-wear repairing agent has the beneficial effects that the anti-wear repairing agent has good oil solubility and super-strong extreme pressure and anti-wear performance; the oil change period is prolonged to 50000 km or more, the engine oil is prevented from being oxidized by metal ions under the condition of high temperature, and the service life of the engine oil is prolonged.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
in the following embodiments, unless otherwise specified, the technical means used are conventional means well known to those skilled in the art.
Example 1
In the embodiment, the raw materials of the engine oil anti-wear repairing agent are prepared from the following components in parts by weight: 50 parts of improved lubricant and 50 parts of lubricating antiwear agent, wherein the lubricating antiwear agent is a zinc-containing antiwear complex agent.
Wherein the improved lubricant comprises the following raw materials in percentage by weight:
Fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: 8: 0.5: 12: 3: 2: 6: 55.
The improved lubricant is obtained by the following steps:
S1: weighing the raw materials according to the mass ratio;
S2: stirring concentrated sulfuric acid in a reaction bottle under the condition of ice-water bath, sequentially doping fullerene and sodium nitrate under stirring, stirring for 10-20min, controlling the rotating speed to be 1200-1500r/min, adding potassium permanganate for 3 times, controlling the reaction temperature to be 15-20 ℃, stirring for 100-120min, and controlling the rotating speed to be 1500-1700r/min to obtain a mixed solution A;
S3: transferring the reaction bottle filled with the mixed solution A to a constant-temperature water bath condition, controlling the temperature of the water bath at 40 ℃, continuously stirring for 20-30min, and controlling the rotating speed at 1200-1500r/min to obtain a mixed solution B;
s4: heating the mixed solution B to 70-80 ℃, controlling the rotating speed to 800-1000/min, slowly adding hydrogen peroxide and hydrochloric acid with the concentration of 5% for repeated washing, stirring for 20-30min, then carrying out low-speed centrifugal washing by using deionized water, controlling the rotating speed to 600-800r/min, and stopping washing when the pH value is 7 to obtain a mixture C;
S5: dispersing the mixture C in deionized water, ultrasonically vibrating for 60min, centrifuging at the rotating speed of 2000-2200r/min for 20min after the ultrasonic treatment is finished, taking supernatant, and drying in an oven at the oven temperature of 50min to obtain the polar modified fullerene;
S6: adding the polar modified fullerene and polyisobutylene bis-succinimide into a reaction kettle for dispersion, controlling the reaction temperature to be 80-90 ℃, controlling the rotating speed to be 1500-1700r/min, stirring for 180-240min, cooling to be 40-50 ℃, adding non-sulfur-phosphorus organic molybdenum, heating to be 210-220 ℃, controlling the rotating speed to be 2500-3000r/min, continuously stirring for 120-140min, and washing and drying to obtain the organic nitrogen molybdenum fullerene.
The preparation method of the engine oil antiwear restoration agent comprises the following steps:
S1: weighing the raw materials according to the mass fraction;
S2: adding the improved lubricant and the lubricating antiwear agent in corresponding parts by weight into a reaction kettle for dispersion, controlling the reaction temperature to be 40-50 ℃, controlling the rotating speed to be 1500-1800r/min, and stirring for 100-120min to obtain the engine oil antiwear restoration agent.
And (3) investigating the antifriction and wear resistance and the bearing capacity of the product: the four-ball machine is used for measuring, the extreme pressure and antifriction antiwear performance under the set load (the temperature is 20 ℃, the load is 392N, the speed is 1450r/min, and the time is 30min) is set, the steel ball used in the four-ball test is a GCR steel ball with the diameter of 12.7mm, and the test shows that the product has good extreme pressure and antifriction antiwear performance. By contrast, lubricating oil was directly used, and the diameter of the wear scar reached 0.8 mm. 0.6 percent of API SN5W/40 lubricating oil is added, the product prepared by the embodiment has the abrasive wear pattern diameter of 0.28mm and the friction coefficient of 0.0112.
example 2
the preparation method of the improved lubricant and the anti-wear repairing agent for engine oil in this embodiment is the same as that of embodiment 1, and is not repeated herein.
In the embodiment, the raw materials of the engine oil anti-wear repairing agent are prepared from the following components in parts by weight: 50 parts of improved lubricant and 50 parts of lubricating antiwear agent, wherein the lubricating antiwear agent is a zinc-containing antiwear complex agent.
Wherein the improved lubricant comprises the following raw materials in percentage by weight:
Fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: 10: 0.5: 15: 3: 2: 7: 52.
And (3) investigating the antifriction and wear resistance and the bearing capacity of the product: the four-ball machine is used for measuring, the extreme pressure and antifriction antiwear performance under the set load (the temperature is 20 ℃, the load is 392N, the speed is 1450r/min, and the time is 30min) is set, the steel ball used in the four-ball test is a GCR steel ball with the diameter of 12.7mm, and the test shows that the product has good extreme pressure and antifriction antiwear performance. By contrast, lubricating oil was directly used, and the diameter of the wear scar reached 0.8 mm. 0.6 percent of API SN5W/40 lubricating oil is added, the product prepared by the embodiment has the abrasive wear pattern diameter of 0.29mm and the friction coefficient of 0.0118.
Example 3
the preparation method of the improved lubricant and the anti-wear repairing agent for engine oil in this embodiment is the same as that of embodiment 1, and is not repeated herein.
in the embodiment, the raw materials of the engine oil anti-wear repairing agent are prepared from the following components in parts by weight: 50 parts of improved lubricant and 50 parts of lubricating antiwear agent, wherein the lubricating antiwear agent is a zinc-containing antiwear complex agent.
Wherein the improved lubricant comprises the following raw materials in percentage by weight:
Fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: 6: 0.5: 10: 4: 1: 7: 50.
and (3) investigating the antifriction and wear resistance and the bearing capacity of the product: the four-ball machine is used for measuring, the extreme pressure and antifriction antiwear performance under the set load (the temperature is 20 ℃, the load is 392N, the speed is 1450r/min, and the time is 30min) is set, the steel ball used in the four-ball test is a GCR steel ball with the diameter of 12.7mm, and the test shows that the product has good extreme pressure and antifriction antiwear performance. By contrast, lubricating oil was directly used, and the diameter of the wear scar reached 0.8 mm. 0.6 percent of API SN5W/40 lubricating oil is added, the diameter of the wear scar of the product prepared by the embodiment reaches 0.31mm, and the friction coefficient is 0.0121.
example 4
the preparation method of the improved lubricant and the anti-wear repairing agent for engine oil in this embodiment is the same as that of embodiment 1, and is not repeated herein.
in the embodiment, the raw materials of the engine oil anti-wear repairing agent are prepared from the following components in parts by weight: 40 parts of improved lubricant and 60 parts of lubricating antiwear agent, wherein the lubricating antiwear agent is a zinc-containing antiwear complex agent.
Wherein the improved lubricant comprises the following raw materials in percentage by weight:
Fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: 8: 0.5: 12: 3: 2: 6: 55.
And (3) investigating the antifriction and wear resistance and the bearing capacity of the product: the four-ball machine is used for measuring, the extreme pressure and antifriction antiwear performance under the set load (the temperature is 20 ℃, the load is 392N, the speed is 1450r/min, and the time is 30min) is set, the steel ball used in the four-ball test is a GCR steel ball with the diameter of 12.7mm, and the test shows that the product has good extreme pressure and antifriction antiwear performance. By contrast, lubricating oil was directly used, and the diameter of the wear scar reached 0.8 mm. 0.6 percent of API SN5W/40 lubricating oil is added, the diameter of the wear scar of the product prepared by the embodiment reaches 0.33mm, and the friction coefficient is 0.0125.
Example 5
The preparation method of the improved lubricant and the anti-wear repairing agent for engine oil in this embodiment is the same as that of embodiment 1, and is not repeated herein.
in the embodiment, the raw materials of the engine oil anti-wear repairing agent are prepared from the following components in parts by weight: 60 parts of improved lubricant and 40 parts of lubricating antiwear agent, wherein the lubricating antiwear agent is zinc-containing antiwear complex agent.
Wherein the improved lubricant comprises the following raw materials in percentage by weight:
fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: 8: 0.5: 12: 3: 2: 6: 55.
And (3) investigating the antifriction and wear resistance and the bearing capacity of the product: the four-ball machine is used for measuring, the extreme pressure and antifriction antiwear performance under the set load (the temperature is 20 ℃, the load is 392N, the speed is 1450r/min, and the time is 30min) is set, the steel ball used in the four-ball test is a GCR steel ball with the diameter of 12.7mm, and the test shows that the product has good extreme pressure and antifriction antiwear performance. By contrast, lubricating oil was directly used, and the diameter of the wear scar reached 0.8 mm. 0.6 percent of API SN5W/40 lubricating oil is added, the diameter of the wear scar of the product prepared by the embodiment reaches 0.32mm, and the friction coefficient is 0.0127.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the intention of all modifications, equivalents, improvements, and equivalents falling within the spirit and scope of the invention.
Claims (6)
1. the anti-wear repairing agent for the engine oil is characterized by being prepared from the following raw materials in parts by weight: 40-60 parts of improved lubricant and 40-60 parts of lubricating antiwear agent.
2. the anti-wear repairing agent for engine oil of claim 1, wherein the raw materials and the optimal parts by weight are as follows: 50 parts of modified lubricant and 50 parts of lubricating antiwear agent.
3. The anti-wear lubricant composition of claim 1, wherein the modified lubricant comprises the following raw materials in weight ratio:
Fullerene: concentrated sulfuric acid: sodium nitrate: potassium permanganate: hydrogen peroxide: hydrochloric acid at a concentration of 5%: polyisobutylene bis-succinimide: non-sulfur-phosphorus organic molybdenum as 1: (6-10): 0.5: (10-15): (3-5): (1-2): (6-12): (50-55).
4. the anti-wear lubricant composition of claim 3, wherein the improved lubricant is obtained by the steps of:
s1: weighing the raw materials according to the mass ratio;
s2: stirring concentrated sulfuric acid in a reaction bottle under the condition of ice-water bath, sequentially doping fullerene and sodium nitrate under stirring, stirring for 10-20min, controlling the rotating speed to be 1200-1500r/min, adding potassium permanganate for 3 times, controlling the reaction temperature to be 15-20 ℃, stirring for 100-120min, and controlling the rotating speed to be 1500-1700r/min to obtain a mixed solution A;
S3: transferring the reaction bottle filled with the mixed solution A to a constant-temperature water bath condition, controlling the temperature of the water bath at 40 ℃, continuously stirring for 20-30min, and controlling the rotating speed at 1200-1500r/min to obtain a mixed solution B;
S4: heating the mixed solution B to 70-80 ℃, controlling the rotating speed to 800-1000/min, slowly adding hydrogen peroxide and hydrochloric acid with the concentration of 5% for repeated washing, stirring for 20-30min, then carrying out low-speed centrifugal washing by using deionized water, controlling the rotating speed to 600-800r/min, and stopping washing when the pH value is 7 to obtain a mixture C;
s5: dispersing the mixture C in deionized water, ultrasonically vibrating for 60min, centrifuging at the rotating speed of 2000-2200r/min for 20min after the ultrasonic treatment is finished, taking supernatant, and drying in an oven at the oven temperature of 50min to obtain the polar modified fullerene;
s6: adding the polar modified fullerene and polyisobutylene bis-succinimide into a reaction kettle for dispersion, controlling the reaction temperature to be 80-90 ℃, controlling the rotating speed to be 1500-1700r/min, stirring for 180-240min, cooling to be 40-50 ℃, adding non-sulfur-phosphorus organic molybdenum, heating to be 210-220 ℃, controlling the rotating speed to be 2500-3000r/min, continuously stirring for 120-140min, and washing and drying to obtain the organic nitrogen molybdenum fullerene.
5. The antiwear restoration agent for engine oil of claim 1, wherein the lubricating antiwear agent is a zinc-containing antiwear complex.
6. The method for preparing an anti-wear repairing agent for engine oil according to any of claims 1-5, comprising the steps of:
S1: weighing the raw materials according to the mass fraction;
S2: adding the improved lubricant and the lubricating antiwear agent in corresponding parts by weight into a reaction kettle for dispersion, controlling the reaction temperature to be 40-50 ℃, controlling the rotating speed to be 1500-1800r/min, and stirring for 100-120min to obtain the engine oil antiwear restoration agent.
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| CN105062618A (en) * | 2015-08-11 | 2015-11-18 | 王严绪 | Fullerene, boron and nitrogen containing lubricant and preparation method thereof |
| CN108517239A (en) * | 2018-05-25 | 2018-09-11 | 北京航科航天科技有限公司 | A kind of preparation method of graphene-based nano molybdenum disulfide lube oil additive |
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Application publication date: 20191213 |