CN106753711A - It is a kind of to make the lubricating oil preparation method with good friction performance at high temperature - Google Patents
It is a kind of to make the lubricating oil preparation method with good friction performance at high temperature Download PDFInfo
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- CN106753711A CN106753711A CN201611127717.8A CN201611127717A CN106753711A CN 106753711 A CN106753711 A CN 106753711A CN 201611127717 A CN201611127717 A CN 201611127717A CN 106753711 A CN106753711 A CN 106753711A
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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
-
- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular 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
- 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
- C10M2201/05—Metals; Alloys
-
- 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
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
-
- 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
- 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
-
- 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
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
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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
Make the lubricating oil preparation method with good friction performance at high temperature the present invention relates to a kind of, a certain amount of organic molybdenum powder and dispersant are added into absolute ethyl alcohol, ultrasonic vibration, it is then centrifuged for isolated solid powder, dried process obtains the modified solid powder A in surface, by above-mentioned solid powder A, lubricating oil, stabilizer A mixing is added in ball mill, start griding reaction, afterwards in collection fluid to chamber type electric resistance furnace, control temperature, during the fluid after high temperature added into ball mill again afterwards, griding reaction, obtain fluid B, fluid B is added in high temperature friction and wear testing machine to detect the tribological property of fluid B；The high temperature resistant luboil that the present invention is obtained learns that, with good tribological property, and with the rising of temperature, improvement is more obvious by experimental verification.
Description
Technical field
The present invention relates to technical field of fine, and in particular to one kind can make lubricating oil at high temperature with good friction
Learn the preparation method of performance.
Background technology
With the progress and the development of economic technology of industrial technology, energy demand is continued to increase, and energy crisis becomes increasingly
Sternness, lubricating oil primarily serves the effect of lubrication, anti-attrition, in the course of work as the lubriation material of the parts such as engine, vehicle bridge
In play vital effect.
Modern Engine has reached the operation of unprecedented rotating speed high, high load capacity and high intensity, the harsh work of engine abnormity
Condition requirement lubricating oil constantly improve performance, for example, the operation form of engine make speed of crankshaft 5000 revs/min with
On, in 8~14 meter per seconds, this engine operating state makes engine be faced with fuel combustion to be triggered piston average linear velocity
High temperature and mechanical part friction of motion produced by heat, engine piston top and cylinder wall up to more than 300 degrees Celsius,
In order to avoid being destroyed the stability that oil film is formed on friction surface due to such case, it is desirable to which lubricant must be quite resistance to
High temperature, at present, prior art lubricating oil simultaneously can meet this requirement；Therefore, it is necessary to study one kind with high temperature resistant and can have
The lubricating oil of good tribological property.
The content of the invention
The present situation of commercial Application can not be met for current lubricating oil, lubrication can be made it is an object of the invention to provide one kind
Oil has the preparation method of good friction performance at high temperature, and the lubricating oil that the method is obtained can effectively improve lubricating oil
Resistance to elevated temperatures and tribological property.
To reach above-mentioned purpose, the technical solution adopted in the present invention is as follows：
It is a kind of to make the lubricating oil preparation method with good friction performance at high temperature, realized by following steps：
Step one：Organic molybdenum powder and dispersant are added into absolute ethyl alcohol, ultrasonic vibration 20-25 minutes, obtain uniform mixing
Solution；
Step 2：Will above-mentioned mixed solution add centrifuge in isolate solid powder, dried process obtains that surface is modified to be consolidated
Body powders A；
Step 3：By in above-mentioned solid powder A, lubricating oil, stabilizer A mixing addition ball mills, start griding reaction, Zhi Houshou
Collection obtains fluid A；
Step 4：By in above-mentioned fluid A to beaker, it is put into chamber type electric resistance furnace, controls temperature, after a period of time, takes out fluid；
Step 5：By in the secondary addition ball mill of above-mentioned fluid, start griding reaction, collect obtain fluid B afterwards, fluid B is
It is high temperature resistant luboil；
Step 6：Above-mentioned fluid B is added in high temperature friction and wear testing machine to detect fluid friction at different temperatures
Learn performance.
In step one, organic molybdenum powder structure spherical in shape, mean particle size is 10-20 microns；Described dispersant
It is the one kind in neopelex or polyvinylpyrrolidone；Described dispersant is with the mass ratio of formic acid molybdenum powder
0.01-0.02g：1g, the absolute ethyl alcohol is 20-25ml with the liquid-solid ratio of formic acid molybdenum powder：1g；The supersonic frequency is 60W.
In step 2, the centrifuge：Centrifugal rotational speed is 1600-2000rpm/min, centrifugation time is 5-10 minutes；Institute
Drying mode is stated for natural drying is processed.
In step 3, the solid powder A is surface and is modified organic molybdenum powder；The lubricating oil is SF15W/40, SM/
CH-4、OW-40、API CF-4；The stabilizer A is the compounding of Span80 and Tween40, dialkyl dithiophosphate, double
Polyisobutene succinimide, methyl methacrylate.
The compounding mass ratio of the Span80 and Tween40 is 1：1；The solid powder A is with the mass ratio of lubricating oil
1-4g：The mass ratio of 100g, the solid powder A and stabilizer A is 1g：0.01-0.1g；Described ball mill：Working time
5-6 hours, working speed 650-750r/min.
In step 4, the parameter in the chamber type electric resistance furnace：Temperature is 70 °C -80 °C, and the time is 20 minutes.
In step 5, the secondary ball milling：Working time 2-3 hours, working speed 650-750r/min.
In step 6, the tribological property under the detection fluid different temperatures：Upper and lower friction pair is pin and disk, by fluid
B is added dropwise the contact point of the friction pair up and down in high temperature friction and wear testing machine.
The material of the upper and lower friction pair is high-speed steel.
The experiment parameter of the detection fluid is sliding frequency 3HZ, and imposed load is 10N, and the working time is 0.5 hour,
Temperature is 30 °C, 40 °C, 50 °C, 60 °C.
Compared with prior art, the beneficial effects of the invention are as follows：Lubricating oil is improved in high temperature ring the invention provides one kind
The method of the tribological property under border, the lubricating oil that the method is obtained can effectively improve the resistance to elevated temperatures of former lubricating oil and rub
Wipe and learn performance, drawn through the data after experiment, at different temperature, tribological property has obtained larger improvement, and with
The rising of temperature, the tribological property of the lubricating oil that the present invention is obtained is more preferable.
Specific embodiment
In order to be better understood from the present invention, it is further described with reference to specific embodiment.
Embodiment one
The present embodiment is comprised the following steps：
Step one：Weigh 0.02g neopelexes and the organic molybdenum powders of 2g are added into the absolute ethyl alcohol of 40ml, ultrasound
20-25 minutes, mixed solution is obtained；
Step 2：Above-mentioned mixed solution is poured into centrifuge tube, is added in centrifuge, rotating speed is set to 1600rpm/min, centrifugation
5-10 minutes, supernatant liquor in centrifuge tube is poured out, collect powder, then spontaneously dried treatment and obtain the modified solid powder in surface
A；
Step 3：Weigh the above-mentioned fixed powders As of 0.5g, SF15W/40 lubricating oil 50 grams, 0.005 gram Span80 and Tween40
In compounding to the ball grinder of ball mill, working speed 650r/min after work is rotated 5 hours, opens ball milling cover, collects fluid
A；
Step 4：By in above-mentioned fluid A addition beakers, it is put into chamber type electric resistance furnace, it is 70 °C, 20 minutes to control temperature；
Step 5：During fluid after above-mentioned high-temperature process added into ball grinder again, working speed 650r/min, work is rotated
After 2 hours, ball milling cover is opened, collect fluid B；
Step 6：Above-mentioned fluid B is dropped to the survey of the tribological property that the lubricating oil is carried out in high temperature friction and wear experimental machine
Examination, while being contrasted using additive-free lubricating oil of the same race, frictional experiment parameter：Upper and lower friction pair is pin and disk, material
It is high-speed steel, imposed load 10N, fraction time 0.5 hour, sliding frequency is 3hz, and temperature is respectively 30 °C, 40 °C, 50 °
C, 60 °C, experiment terminate after, the abrasion radius of statistical average coefficient of friction and upper friction pair.
Described in the following Tables 1 and 2 of experimental result, as can be seen from the table, under synthermal experiment condition, embodiment one
The more former lubricating oil of lubricating oil of acquisition has good anti-wear and wear-resistant performance；With the rising of temperature, the friction of the present embodiment one
Performance is gradually stepped up, i.e., temperature is higher, and improvement is more obvious, illustrates that the present embodiment one can effectively improve the resistance to of former lubricating oil
High-temperature behavior and tribological property.
Embodiment two
The present embodiment is comprised the following steps：
Step one：Weigh 0.02g neopelexes and the organic molybdenum powders of 2g are added into the absolute ethyl alcohol of 40ml, ultrasound
20-25 minutes, mixed solution is obtained；
Step 2：Above-mentioned mixed solution is poured into centrifuge tube, is added in centrifuge, rotating speed is set to 1600rpm/min, centrifugation
5-10 minutes, supernatant liquor in centrifuge tube is poured out, collect powder, then spontaneously dried treatment and obtain the modified solid powder in surface
A；
Step 3：Weigh the above-mentioned fixed powders As of 1g, 50 grams, 0.05 gram dialkyl dithiophosphate of SM/CH-4 lubricating oil to ball
In the ball grinder of grinding machine, working speed 650r/min after work is rotated 6 hours, opens ball milling cover, collects fluid A；
Step 4：By in above-mentioned fluid A addition beakers, it is put into chamber type electric resistance furnace, it is 80 °C, 20 minutes to control temperature；
Step 5：During fluid after above-mentioned high-temperature process added into ball grinder again, working speed 650r/min, work is rotated
After 3 hours, ball milling cover is opened, collect fluid B；
Step 6：Above-mentioned fluid B is dropped to the survey of the tribological property that the lubricating oil is carried out in high temperature friction and wear experimental machine
Examination, while being contrasted using additive-free lubricating oil of the same race, frictional experiment parameter：Upper and lower friction pair is pin and disk, material
It is high-speed steel, imposed load 10N, fraction time 0.5 hour, sliding frequency is 3hz, and temperature is respectively 30 °C, 40 °C, 50 °
C, 60 °C, experiment terminate after, the abrasion radius of statistical average coefficient of friction and upper friction pair.
Described in the following Tables 1 and 2 of experimental result, as can be seen from the table, under synthermal experiment condition, embodiment two
The more former lubricating oil of lubricating oil of acquisition has good anti-wear and wear-resistant performance；With the rising of temperature, the friction of the present embodiment two
Performance is gradually stepped up, i.e., temperature is higher, and improvement is more obvious, illustrates that the present embodiment two can effectively improve the resistance to of former lubricating oil
High-temperature behavior and tribological property.
Embodiment three
The present embodiment is comprised the following steps：
Step one：Weigh 0.04g neopelexes and the organic molybdenum powders of 2g are added into the absolute ethyl alcohol of 40ml, ultrasound
20-25 minutes, mixed solution is obtained；
Step 2：Above-mentioned mixed solution is poured into centrifuge tube, is added in centrifuge, rotating speed is set to 2000rpm/min, centrifugation
5-10 minutes, supernatant liquor in centrifuge tube is poured out, collect powder, then spontaneously dried treatment and obtain the modified solid powder in surface
A；
Step 3：Weigh the above-mentioned fixed powders As of 0.5g, 50 grams of OW-40 lubricating oil, 0.03 gram of double polyisobutene succinimide extremely
In the ball grinder of ball mill, working speed 750r/min after work is rotated 5 hours, opens ball milling cover, collects fluid A；
Step 4：By in above-mentioned fluid A addition beakers, it is put into chamber type electric resistance furnace, it is 70 °C, 20 minutes to control temperature；
Step 5：During fluid after above-mentioned high-temperature process added into ball grinder again, working speed 650r/min, work is rotated
After 3 hours, ball milling cover is opened, collect fluid B；
Step 6：Above-mentioned fluid B is dropped to the survey of the tribological property that the lubricating oil is carried out in high temperature friction and wear experimental machine
Examination, while being contrasted using additive-free lubricating oil of the same race, frictional experiment parameter：Upper and lower friction pair is pin and disk, material
It is high-speed steel, imposed load 10N, fraction time 0.5 hour, sliding frequency is 3hz, and temperature is respectively 30 °C, 40 °C, 50 °
C, 60 °C, experiment terminate after, the abrasion radius of statistical average coefficient of friction and upper friction pair.
Described in the following Tables 1 and 2 of experimental result, as can be seen from the table, under synthermal experiment condition, embodiment three
The more former lubricating oil of lubricating oil of acquisition has good anti-wear and wear-resistant performance；With the rising of temperature, the friction of the present embodiment three
Performance is gradually stepped up, i.e., temperature is higher, and improvement is more obvious, illustrates that the present embodiment three can effectively improve the resistance to of former lubricating oil
High-temperature behavior and tribological property.
Example IV
The present embodiment is comprised the following steps：
Step one：Weigh 0.04g neopelexes and the organic molybdenum powders of 2g are added into the absolute ethyl alcohol of 40ml, ultrasound
20-25 minutes, mixed solution is obtained；
Step 2：Above-mentioned mixed solution is poured into centrifuge tube, is added in centrifuge, rotating speed is set to 2000rpm/min, centrifugation
5-10 minutes, supernatant liquor in centrifuge tube is poured out, collect powder, then spontaneously dried treatment and obtain the modified solid powder in surface
A；
Step 3：Weigh the above-mentioned fixed powders As of 1g, 50 grams, 0.05 gram methyl methacrylate of API CF-4 lubricating oil to ball milling
In the ball grinder of machine, working speed 750r/min after work is rotated 6 hours, opens ball milling cover, collects fluid A；
Step 4：By in above-mentioned fluid A addition beakers, it is put into chamber type electric resistance furnace, it is 80 °C, 20 minutes to control temperature；
Step 5：During fluid after above-mentioned high-temperature process added into ball grinder again, working speed 750r/min, work is rotated
After 2 hours, ball milling cover is opened, collect fluid B；
Step 6：Above-mentioned fluid B is dropped to the survey of the tribological property that the lubricating oil is carried out in high temperature friction and wear experimental machine
Examination, while being contrasted using additive-free lubricating oil of the same race, frictional experiment parameter：Upper and lower friction pair is pin and disk, material
It is high-speed steel, imposed load 10N, fraction time 0.5 hour, sliding frequency is 3hz, and temperature is respectively 30 °C, 40 °C, 50 °
C, 60 °C, experiment terminate after, the abrasion radius of statistical average coefficient of friction and upper friction pair.
Described in the following Tables 1 and 2 of experimental result, as can be seen from the table, under synthermal experiment condition, example IV
The more former lubricating oil of lubricating oil of acquisition has good anti-wear and wear-resistant performance；With the rising of temperature, the friction of the present embodiment four
Performance is gradually stepped up, i.e., temperature is higher, and improvement is more obvious, illustrates that the present embodiment four can effectively improve the resistance to of former lubricating oil
High-temperature behavior and tribological property.
The more former lubricating oil of lubricating oil that the present invention is obtained, tribological property and resistance to elevated temperatures are obtained for larger carrying
Rise, and with the rising of temperature, frictional behaviour is better.
Table 1 is the preferred embodiment of the present invention and lubricating oil the average friction coefficient table of comparisons at different temperatures；Table 2 is this
The wear scar diameter table of comparisons of upper friction pair after the frictional experiment of invention preferred embodiment and lubricating oil.
The average friction coefficient table of comparisons of table 1.
The mill spot radius of the lubricating oil of table 2（μm）The table of comparisons.
The preferred embodiments of the present invention are the foregoing is only, only scheme and effect to illustrate the invention, it is impossible to quilt
Think for limiting practical range of the invention, it is noted that for those skilled in the art,
On the premise of not departing from present inventive concept, some changes can also be made and improved, all should still belonged to patent of the invention and contain
Within the scope of lid.
Claims (10)
- It is 1. a kind of to make the lubricating oil preparation method with good friction performance at high temperature, it is characterised in that：By following step It is rapid to realize：Step one：Organic molybdenum powder and dispersant are added into absolute ethyl alcohol, ultrasonic vibration 20-25 minutes, obtain uniform mixing Solution；Step 2：Will above-mentioned mixed solution add centrifuge in isolate solid powder, dried process obtains that surface is modified to be consolidated Body powders A；Step 3：By in above-mentioned solid powder A, lubricating oil, stabilizer A mixing addition ball mills, start griding reaction, Zhi Houshou Collection obtains fluid A；Step 4：By in above-mentioned fluid A to beaker, it is put into chamber type electric resistance furnace, controls temperature, after a period of time, takes out fluid；Step 5：By in the secondary addition ball mill of above-mentioned fluid, start griding reaction, collect obtain fluid B afterwards, fluid B is It is high temperature resistant luboil；Step 6：Above-mentioned fluid B is added in high temperature friction and wear testing machine to detect fluid friction at different temperatures Learn performance.
- 2. according to claim 1 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：In step one, organic molybdenum powder structure spherical in shape, mean particle size is 10-20 microns；Described dispersant is One kind in neopelex or polyvinylpyrrolidone；Described dispersant is with the mass ratio of formic acid molybdenum powder 0.01-0.02g：1g, the absolute ethyl alcohol is 20-25ml with the liquid-solid ratio of formic acid molybdenum powder：1g；The supersonic frequency is 60W.
- 3. according to claim 2 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：In step 2, the centrifuge：Centrifugal rotational speed is 1600-2000rpm/min, centrifugation time is 5-10 minutes；It is described Drying mode is processed for natural drying.
- 4. according to claim 3 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：In step 3, the solid powder A is surface and is modified organic molybdenum powder；The lubricating oil is SF15W/40, SM/CH- 4、OW-40、API CF-4；The stabilizer A is the compounding of Span80 and Tween40, dialkyl dithiophosphate, double focusing are different Butylene succimide, methyl methacrylate.
- 5. according to claim 4 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：The compounding mass ratio of the Span80 and Tween40 is 1：1；The solid powder A is 1- with the mass ratio of lubricating oil 4g：The mass ratio of 100g, the solid powder A and stabilizer A is 1g：0.01-0.1g；Described ball mill：Working time 5-6 Hour, working speed 650-750r/min.
- 6. according to claim 4 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：In step 4, the parameter in the chamber type electric resistance furnace：Temperature is 70 °C -80 °C, and the time is 20 minutes.
- 7. according to claim 6 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：In step 5, the secondary ball milling：Working time 2-3 hours, working speed 650-750r/min.
- 8. according to claim 7 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：In step 6, the tribological property under the detection fluid different temperatures：Upper and lower friction pair is pin and disk, by fluid B The contact point of the friction pair up and down in high temperature friction and wear testing machine is added dropwise.
- 9. according to claim 8 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：The material of the upper and lower friction pair is high-speed steel.
- 10. according to claim 8 to make the lubricating oil preparation method with good friction performance at high temperature, it is special Levy and be：The experiment parameter of the detection fluid is sliding frequency 3HZ, and imposed load is 10N, and the working time is 0.5 hour, temperature Spend is 30 °C, 40 °C, 50 °C, 60 °C.
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| CN102021065A (en) * | 2009-09-21 | 2011-04-20 | 现代自动车株式会社 | Long-life gasoline engine oil composition |
| CN102634401A (en) * | 2012-04-05 | 2012-08-15 | 柯鹏 | Organic molybdenum composite antiwear agent |
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