CN108949302B - Wear-resistant antifriction gear lubricating oil and preparation method thereof - Google Patents
Wear-resistant antifriction gear lubricating oil and preparation method thereof Download PDFInfo
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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
- 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
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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
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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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
- C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
-
- 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
- C10M2207/24—Epoxidised acids; Ester derivatives 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
-
- 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
-
- 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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention discloses wear-resistant antifriction gear lubricating oil and a preparation method thereof, and the prepared wear-resistant antifriction gear lubricating oil has higher maximum non-seizure load value and better extreme pressure resistance effect, and meanwhile, the friction coefficient is lower when the load is 500N, and the antifriction performance is improved. After the nano zirconia is subjected to synergistic treatment by using the sodium petroleum sulfonate and the phosphate, the dispersibility of the nano zirconia is greatly improved, the nano zirconia is not easy to agglomerate, can be stably dispersed in lubricating oil, and improves the anti-wear and anti-friction effects; the manganese dioxide is used for modifying the nano zirconia, so that the wear resistance and the extreme pressure resistance of the nano zirconia are improved, the compatibility of the nano zirconia and a lubricant substrate is further promoted, and the wear-resistant, anti-friction, anti-corrosion and anti-oxidation effects of the lubricant are improved.
Description
Technical Field
The invention belongs to the technical field of gear lubricating oil, and particularly relates to anti-wear and anti-friction gear lubricating oil and a preparation method thereof.
Background
The lubricating oil has wide application in the industries of aviation, automobile, machining, transportation, metallurgy, coal, building, light industry and the like. Gear transmission is one of the most important transmission modes in machinery. To avoid wear and damage to the gears during operation, it is necessary to space their running surfaces with a lubricant to maintain the ergonomics and extend the useful life of the gear mechanism. According to the relevant information, about 54% of mechanical failures are caused by lubrication problems, with insufficient and inappropriate lubrication accounting for 34.4% and 19.6%, respectively.
The existing gear lubricating oil also has the problems of poor extreme pressure resistance effect and improved wear resistance and friction reduction performance.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a gear lubricating oil with low friction coefficient and good extreme pressure resistance, and a preparation method thereof.
The invention is realized by the following technical scheme:
the wear-resistant antifriction gear lubricating oil is characterized by being prepared from the following raw materials in parts by weight:
5-10 parts of nano zirconia, 1-2 parts of petroleum sodium sulfonate, 0.5-0.8 part of phosphate, 30-50 parts of manganese sulfate solution, 20-30 parts of potassium permanganate solution, 40-55 parts of rapeseed oil, 20-28 parts of base oil, 30-35 parts of waste meal oil, 3-5 parts of phthalic anhydride isoheptyl ester, 2-3 parts of polyisobutylene and 2-5 parts of sodium alginate.
Further, the preparation method comprises the following steps:
(1) adding nano zirconia into deionized water with the volume 10-20 times of that of the nano zirconia, adding sodium petroleum sulfonate, stirring for 30-40min at 900rpm of 800-;
(2) adding the product obtained in the step (1) into a manganese sulfate solution, performing ultrasonic treatment at 40-50 ℃ for 45-55min, then cooling to 2-4 ℃, dropwise adding a potassium permanganate solution while performing ultrasonic treatment, performing ultrasonic treatment 5-10min after dropwise adding, transferring into a reaction kettle with a polytetrafluoroethylene lining, reacting for 12-24h at 130-140 ℃ and 2-4MPa, then cooling, relieving pressure, centrifuging the obtained product, filtering, drying and grinding to obtain manganese dioxide modified nano-zirconia;
(3) adding rapeseed oil, base oil, waste meal oil, phthalic anhydride isoheptyl ester and polyisobutylene into a blending kettle with a stirrer, then adding the product obtained in the step (2) and sodium alginate, stirring at 45-55 ℃ and 600rpm for 1-2h, then stirring at 90-95 ℃ and 300rpm and 400rpm for 30-40min, then standing for 2-4h, and cooling to room temperature.
Further, the centrifugation rate in step (1) is 3000-3400 rpm.
Further, the concentration of the manganese sulfate solution in the step (2) is 0.5-1 mol/L.
Further, the concentration of the potassium permanganate solution in the step (2) is 0.5-1 mol/L.
Further, the ultrasonic treatment condition in the step (2) is 100-120 Hz.
Further, the particle size of the manganese dioxide modified nano-zirconia in the step (2) is 5-50 nm.
The invention has the beneficial effects that: the anti-wear antifriction gear lubricating oil prepared by the invention has higher maximum non-seizure load value and better extreme pressure resistance effect, and meanwhile, the friction coefficient is lower when the load is 500N, and the antifriction performance is improved. After the nano zirconia is subjected to synergistic treatment by using the sodium petroleum sulfonate and the phosphate, the dispersibility of the nano zirconia is greatly improved, the nano zirconia is not easy to agglomerate, can be stably dispersed in lubricating oil, and improves the anti-wear and anti-friction effects; the manganese dioxide is used for modifying the nano zirconia, so that the wear resistance and the extreme pressure resistance of the nano zirconia are improved, the compatibility of the nano zirconia and a lubricant substrate is further promoted, and the wear-resistant, anti-friction, anti-corrosion and anti-oxidation effects of the lubricant are improved.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
The wear-resistant antifriction gear lubricating oil is characterized by being prepared from the following raw materials in parts by weight:
5 parts of nano zirconia, 1 part of petroleum sodium sulfonate, 0.5 part of phosphate, 30 parts of manganese sulfate solution, 20 parts of potassium permanganate solution, 40 parts of rapeseed oil, 20 parts of base oil, 30 parts of waste meal oil, 3 parts of phthalic anhydride isoheptyl alcohol ester, 2 parts of polyisobutylene and 2 parts of sodium alginate.
Further, the preparation method comprises the following steps:
(1) adding nano zirconia into deionized water with the volume 10 times of that of the nano zirconia, adding sodium petroleum sulfonate, stirring at 800rpm for 30min, adding phosphate, heating to 60 ℃, continuing to stir for 20min, centrifuging, removing supernatant, and drying the obtained product in a drying oven at 100 ℃;
(2) adding the product obtained in the step (1) into a manganese sulfate solution, carrying out ultrasonic treatment at 40 ℃ for 45min, then cooling to 2 ℃, carrying out ultrasonic treatment while dropwise adding a potassium permanganate solution, carrying out ultrasonic treatment after dropwise adding for 5min, transferring into a reaction kettle with a polytetrafluoroethylene lining, carrying out reaction at 130 ℃ and 2MPa for 12h, then cooling, carrying out pressure relief, centrifuging the obtained product, filtering, drying and grinding to obtain manganese dioxide modified nano-zirconia;
(3) adding rapeseed oil, base oil, and waste meal oil, phthalic anhydride isoheptyl ester, and polyisobutylene into a blending kettle with a stirrer, adding the product obtained in step (2) and sodium alginate, stirring at 45 deg.C and 500rpm for 1h, stirring at 90 deg.C and 300rpm for 30min, standing for 2h, and cooling to room temperature.
Further, the centrifugation rate in step (1) is 3000 rpm.
Further, the concentration of the manganese sulfate solution in the step (2) is 0.5 mol/L.
Further, the concentration of the potassium permanganate solution in the step (2) is 0.5 mol/L.
Further, the ultrasonic treatment condition in the step (2) is 100 Hz.
Further, the particle size of the manganese dioxide modified nano-zirconia in the step (2) is 5 nm.
Example 2
The wear-resistant antifriction gear lubricating oil is characterized by being prepared from the following raw materials in parts by weight:
7 parts of nano zirconia, 2 parts of sodium petroleum sulfonate, 0.8 part of phosphate, 40 parts of manganese sulfate solution, 25 parts of potassium permanganate solution, 50 parts of rapeseed oil, 25 parts of base oil, 32 parts of waste meal oil, 4 parts of phthalic anhydride isoheptyl alcohol ester, 3 parts of polyisobutylene and 4 parts of sodium alginate.
Further, the preparation method comprises the following steps:
(1) adding nano zirconia into deionized water 15 times of the volume of the nano zirconia, adding sodium petroleum sulfonate, stirring at 850rpm for 35min, adding phosphate, heating to 62 ℃, continuing to stir for 25min, centrifuging, removing supernatant, and drying the obtained product in a drying box at 105 ℃;
(2) adding the product obtained in the step (1) into a manganese sulfate solution, carrying out ultrasonic treatment at 45 ℃ for 50min, then cooling to 3 ℃, carrying out ultrasonic dropwise addition of a potassium permanganate solution, carrying out ultrasonic treatment after the dropwise addition for 7min, transferring into a reaction kettle with a polytetrafluoroethylene lining, carrying out reaction at 135 ℃ and 3MPa for 18h, then cooling, carrying out pressure relief, centrifuging the obtained product, filtering, drying and grinding to obtain manganese dioxide modified nano-zirconia;
(3) adding rapeseed oil, base oil, and waste meal oil, phthalic anhydride isoheptyl ester, and polyisobutylene into a blending kettle with a stirrer, adding the product obtained in step (2) and sodium alginate, stirring at 50 deg.C and 550rpm for 2h, stirring at 93 deg.C and 350rpm for 35min, standing for 3h, and cooling to room temperature.
Further, the centrifugation rate in the step (1) is 3200 rpm.
Further, the concentration of the manganese sulfate solution in the step (2) is 0.8 mol/L.
Further, the concentration of the potassium permanganate solution in the step (2) is 0.7 mol/L.
Further, the ultrasonic treatment condition in the step (2) is 110 Hz.
Further, the particle size of the manganese dioxide modified nano-zirconia in the step (2) is 20 nm.
Example 3
The wear-resistant antifriction gear lubricating oil is characterized by being prepared from the following raw materials in parts by weight:
10 parts of nano zirconia, 2 parts of sodium petroleum sulfonate, 0.8 part of phosphate, 50 parts of manganese sulfate solution, 30 parts of potassium permanganate solution, 55 parts of rapeseed oil, 28 parts of base oil, 35 parts of waste meal oil, 5 parts of phthalic anhydride isoheptyl alcohol ester, 3 parts of polyisobutylene and 5 parts of sodium alginate.
Further, the preparation method comprises the following steps:
(1) adding nano zirconia into deionized water with the volume 20 times of that of the nano zirconia, adding sodium petroleum sulfonate, stirring at 900rpm for 40min, adding phosphate, heating to 65 ℃, continuing stirring for 30min, centrifuging, removing supernatant, and drying the obtained product in a drying oven at 110 ℃;
(2) adding the product obtained in the step (1) into a manganese sulfate solution, carrying out ultrasonic treatment at 50 ℃ for 55min, then cooling to 4 ℃, carrying out ultrasonic dropwise addition of a potassium permanganate solution, carrying out ultrasonic treatment after the dropwise addition is finished for 10min, transferring into a reaction kettle with a polytetrafluoroethylene lining, carrying out reaction at 140 ℃ and 4MPa for 24h, then cooling, carrying out pressure relief, centrifuging the obtained product, filtering, drying and grinding to obtain manganese dioxide modified nano-zirconia;
(3) adding rapeseed oil, base oil, and waste meal oil, phthalic anhydride isoheptyl ester, and polyisobutylene into a blending kettle with a stirrer, adding the product obtained in step (2) and sodium alginate, stirring at 55 deg.C and 600rpm for 2h, stirring at 95 deg.C and 400rpm for 40min, standing for 4h, and cooling to room temperature.
Further, the centrifugation rate in step (1) is 3400 rpm.
Further, the concentration of the manganese sulfate solution in the step (2) is 1 mol/L.
Further, the concentration of the potassium permanganate solution in the step (2) is 1 mol/L.
Further, the ultrasonic treatment condition in the step (2) is 120 Hz.
Further, the particle size of the manganese dioxide modified nano-zirconia in the step (2) is 50 nm.
Comparative example 1
This comparative example is similar to example 2 except that the process steps of step (1) are omitted.
Comparative example 2
This comparative example is similar to example 2 except that the process step of step (2) was omitted.
And (3) performance testing: maximum non-seizing load P of lubricating oils obtained in examples and comparative examples according to the national Standard GB/T3142-1982bThe value is obtained. And (3) measuring the wear resistance and the wear reduction performance by adopting an SRV-IV micro-vibration friction wear testing machine.
The test results are shown in table 1:
TABLE 1
As can be seen from Table 1, the anti-wear and anti-friction gear lubricating oil prepared by the invention has a high maximum non-seizure load value and a good extreme pressure resistance effect, and meanwhile, the friction coefficient is low when the load is 500N, and the anti-friction performance is improved.
Claims (4)
1. The wear-resistant antifriction gear lubricating oil is characterized by being prepared from the following raw materials in parts by weight:
5-10 parts of nano zirconia, 1-2 parts of petroleum sodium sulfonate, 0.5-0.8 part of phosphate, 30-50 parts of manganese sulfate solution, 20-30 parts of potassium permanganate solution, 40-55 parts of rapeseed oil, 20-28 parts of base oil, 30-35 parts of illegal cooking oil, 3-5 parts of phthalic anhydride isoheptyl ester, 2-3 parts of polyisobutylene and 2-5 parts of sodium alginate;
the preparation method comprises the following steps:
(1) adding nano zirconia into deionized water with the volume 10-20 times of that of the nano zirconia, adding sodium petroleum sulfonate, stirring for 30-40min at 900rpm of 800-;
(2) adding the product obtained in the step (1) into a manganese sulfate solution, performing ultrasonic treatment at 40-50 ℃ for 45-55min, then cooling to 2-4 ℃, dropwise adding a potassium permanganate solution while performing ultrasonic treatment, performing ultrasonic treatment 5-10min after dropwise adding, transferring into a reaction kettle with a polytetrafluoroethylene lining, reacting for 12-24h at 130-140 ℃ and 2-4MPa, then cooling, relieving pressure, centrifuging the obtained product, filtering, drying and grinding to obtain manganese dioxide modified nano-zirconia;
(3) adding rapeseed oil, base oil, illegal cooking oil, phthalic anhydride isoheptyl ester and polyisobutylene into a blending kettle with a stirrer, then adding the product obtained in the step (2) and sodium alginate, stirring at 45-55 ℃ and 600rpm for 1-2h, then stirring at 90-95 ℃ and 400rpm for 30-40min, then standing for 2-4h, and cooling to room temperature;
the concentration of the manganese sulfate solution in the step (2) is 0.5-1 mol/L;
the concentration of the potassium permanganate solution in the step (2) is 0.5-1 mol/L.
2. The anti-wear and anti-friction gear lubricating oil according to claim 1, wherein the centrifugal rate in step (1) is 3000-3400 rpm.
3. The anti-wear and anti-friction gear lubricant according to claim 1, wherein the ultrasonic treatment conditions in step (2) are 100-120 Hz.
4. The anti-wear antifriction gear lubricant according to claim 1, characterized in that the manganese dioxide modified nano zirconia in step (2) has a particle size of 5 to 50 nm.
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| Title |
|---|
| "纳米氧化锆表面改性研究进展";王焕英;《中国陶瓷》;20100415(第04期);第14-16页 * |
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| Publication number | Publication date |
|---|---|
| CN108949302A (en) | 2018-12-07 |
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