CN115287110A - Lubricating grease for high-speed high-temperature long-life angle grinder and preparation method thereof - Google Patents
Lubricating grease for high-speed high-temperature long-life angle grinder and preparation method thereof Download PDFInfo
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- CN115287110A CN115287110A CN202210920780.6A CN202210920780A CN115287110A CN 115287110 A CN115287110 A CN 115287110A CN 202210920780 A CN202210920780 A CN 202210920780A CN 115287110 A CN115287110 A CN 115287110A
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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
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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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/106—Naphthenic fractions
- C10M2203/1065—Naphthenic fractions 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
- C10M2205/163—Paraffin waxes; Petrolatum, e.g. slack wax 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/086—Imides
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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
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/045—Polyureas; Polyurethanes
- C10M2217/0456—Polyureas; Polyurethanes used as thickening agents
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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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
- C10N2030/04—Detergent property or dispersant property
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- 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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- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses lubricating grease for a high-speed high-temperature long-life angle grinder and a preparation method thereof, and relates to the technical field of lubricating grease. The lubricating grease comprises the following raw materials of polyurea base grease and a compound additive, wherein the mass ratio of the polyurea base grease to the compound additive is 90-95:5 to 10; the compound additive is composed of an extreme pressure antiwear agent, a dispersant, an antioxidant and an antirust agent; the polyurea base grease is composed of base oil, organic amine and isocyanate. The lubricating grease disclosed by the invention has excellent high-temperature resistance and wear resistance, and the service life of an angle grinder can be obviously prolonged.
Description
Technical Field
The invention belongs to the technical field of lubricating grease, and particularly relates to lubricating grease for a high-speed high-temperature long-life angle grinder and a preparation method thereof.
Background
An angle grinder, also called a grinder or a disc grinder, is a grinding tool used for cutting and grinding glass fiber reinforced plastics. The angle grinder is driven by the meshing of the spiral gear and the bevel gear, the gear temperature in the gear box of the angle grinder can be increased to 80-100 ℃, and a large amount of lubricating grease is needed for the angle grinder to normally work.
At present, the lubricating grease commonly used for the angle grinder is mainly lithium-based grease, the high temperature resistance of the lubricating grease is relatively low, and the actual requirements of the angle grinder cannot be met. Therefore, the development of the angle grinder lubricating grease with high speed, high temperature and long service life is important.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides lubricating grease for a high-speed high-temperature long-life angle grinder and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme to realize the purpose:
the raw materials adopted by the lubricating grease for the high-speed high-temperature long-life angle grinder comprise polyurea base grease and a compound additive, wherein the mass ratio of the polyurea base grease to the compound additive is (90-95): 5 to 10;
the compound additive is composed of an extreme pressure antiwear agent, a dispersant, an antioxidant and an antirust agent;
the polyurea base grease comprises the following components in parts by weight:
base oil: 87 to 95 weight portions;
organic amine: 2.0 to 5.0 weight portions;
isocyanate: 2.2 to 5.5 weight portions.
Preferably, the viscosity of the base oil at 40 ℃ is 90-110 mm 2 /s。
Further preferably, the base oil is one or more of paraffinic base oil 500SN, 650SN, 700SN, 150BS, 4010 naphthenic base oil, 4016 naphthenic base oil.
Preferably, the organic amine is one or more of isopropylamine, tetradecylamine, octadecylamine, hexadecylamine, 2-Xin Mian, cyclohexylamine, p-toluidine and 2,3 dimethylaniline.
Preferably, the isocyanate is one of TDI-80, MDI-100 and MDI-50.
Preferably, the compound additive comprises the following components in parts by weight:
extreme pressure antiwear agent: 50-60 parts by weight;
dispersing agent: 5-10 parts by weight;
antioxidant: 20-30 parts by weight;
antirust agent: 5 to 10 parts by weight.
Further preferably, the extreme pressure antiwear agent is one or more of dialkyl dithiocarbamate, 2540, T361A, antimony dialkyl dithiocarbamate and dimercaptothiadiazole polymers;
the dispersant is one or more of double-diluted succinimide, mannich dispersant, polyisobutylene diimide and polyisobutylene succinate.
The antioxidant is one or more of N-phenyl-alpha naphthylamine, irganox L135 and octyl butyl diphenylamine.
The antirust agent is one or more of dinonyl naphthalene sulfonate barium salt, benzotriazole, alkyl phosphate imidazoline salt and E614.
The invention also provides a preparation method of the lubricating grease for the high-speed high-temperature long-life angle grinder, which comprises the following steps:
(1) Preparing an amine liquid: mixing organic amine with part of base oil, and heating to 60-70 deg.C to obtain amine solution A;
(2) Preparing ester liquid: mixing isocyanate with the rest base oil, and heating to 60-70 deg.C to obtain ester solution B;
(3) Mixing the amine liquid A and the ester liquid B to obtain a mixture C;
(4) Heating the mixture C prepared by the reaction in the step (3) to 85-95 ℃, and preserving the heat for 90-120min;
(5) And after the heat preservation is finished, heating to 160-170 ℃, preserving the heat for 10-20min, then naturally cooling to 80 ℃, adding the compound additive in proportion, uniformly stirring, and cooling to obtain a lubricating grease finished product.
Preferably, the base oil used in step (1) comprises 50% by mass of the total base oil.
Preferably, the heating temperature in step (1) and step (2) is 65 ℃.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention uses the compound additive and polyurea base grease to prepare lubricating grease, thereby improving the fluidity of the lubricating grease in the gear box, namely, the gear can rotate at high speed and simultaneously has better rotation together with the lubricating grease.
(2) The lubricating grease of the invention has excellent dispersibility; the iron filings generated in the gear running-in stage of the angle grinder can be well dispersed in the lubricating grease without forming solid hard blocks.
(3) The lubricating grease disclosed by the invention has excellent high-temperature resistance; the lubricating grease of the invention does not soften and leak grease along with the rise of temperature.
(4) The lubricating grease has extremely long service life, extremely low consumption in the using process and excellent extreme pressure anti-wear effect after use.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the objects, features and advantages thereof more comprehensible. Several embodiments of the invention are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The lubricating grease for the high-speed high-temperature long-life angle grinder is prepared by the following specific steps:
mixing 29.18g hexadecylamine, 122.44g cyclohexylamine, 41.77g 2-Xin Mian, 540g 4010 and 1260g 500SN base oil, heating to 65-70 ℃, stirring, dispersing and dissolving to obtain amine liquid A;
mixing 212.16g MDI-100 with 540g 4010 and 1260g 500SN base oil, heating to 65-70 ℃, stirring, dispersing and dissolving to obtain ester liquid B;
mixing the amine liquid A and the ester liquid B to obtain a mixture C;
heating the mixture C to 85-95 ℃, preserving the heat for 90-120min, adding 3g of water to remove MDI after the heat preservation is finished, and then heating to 110 ℃ for dehydration; after dehydration, heating to 160-170 ℃, preserving heat for 10-20min, then naturally cooling to 80 ℃, adding 220g of compound additive (comprising 40g of dialkyl dithiocarbamate, 20g of 2540, 40g of dimercaptothiadiazole poly, 20g of bis-dilute succinimide, 40g of L135, 40g of octyl butyl diphenylamine and 20g of E614), stirring for 60min, and cooling to obtain a lubricating grease finished product.
Example 2
The lubricating grease for the high-speed high-temperature long-life angle grinder is prepared by the following specific steps:
mixing 23.76g of tetradecylamine, 3238 g of 121.43g of cyclohexylamine, 41.77g of 2-Xin Mian and base oil of 540g of 4010 and 1260g of 500SN, heating to 65-70 ℃, stirring, dispersing and dissolving to obtain amine liquid A;
mixing 212.16g MDI-100 with 540g 4010 and 1260g 500SN base oil, heating to 65-70 ℃, stirring, dispersing and dissolving to obtain ester liquid B;
mixing the amine liquid A and the ester liquid B to obtain a mixture C;
heating the mixture C to 85-95 ℃, preserving the heat for 90-120min, adding 3g of water to remove MDI after the heat preservation is finished, and then heating to 110 ℃ for dehydration; after dehydration, heating to 160-170 ℃, preserving heat for 10-20min, then naturally cooling to 80 ℃, adding 220g of compound additive (comprising 40g of dialkyl dithiocarbamate, 20g of 2540, 40g of dimercaptothiadiazole poly, 20g of dilinyl succinimide, 40g of L135, 40g of octyl butyl diphenylamine and 20g of E614), stirring for 60min, and cooling to obtain the lubricating grease finished product.
Example 3
A lubricating grease for a high-speed high-temperature long-life angle grinder is specifically prepared by the following steps:
mixing 30.18g of octadecylamine, 122.44g of cyclohexylamine, 41.77g of 2-Xin Mian and 540g of 4010 and 1260g of 500SN base oil, heating to 65-70 ℃, stirring, dispersing and dissolving to obtain amine liquid A;
mixing 212.16g MDI-100 with 540g 4010 and 1260g 500SN base oil, heating to 65-70 ℃, stirring, dispersing and dissolving to obtain ester liquid B;
mixing the amine liquid A and the ester liquid B to obtain a mixture C;
heating the mixture C to 85-95 ℃, preserving the heat for 90-120min, adding 3g of water to remove MDI after the heat preservation is finished, and then heating to 110 ℃ for dehydration; after dehydration, heating to 160-170 ℃, preserving heat for 10-20min, then naturally cooling to 80 ℃, adding 220g of compound additive (comprising 40g of dialkyl dithiocarbamate, 20g of 2540, 40g of dimercaptothiadiazole poly, 20g of bis-dilute succinimide, 40g of L135, 40g of octyl butyl diphenylamine and 20g of E614), stirring for 60min, and cooling to obtain a lubricating grease finished product.
Comparative examples 1 to 3
The grease products are commercially available lubricating grease products for angle grinders, and the specific purchasing manufacturers and models are shown in table 1.
TABLE 1
And (3) product performance testing:
1. high temperature resistance: analysis was performed by drop point and PDSC onset oxidation temperature.
2. Gao Heci fretting wear resistance under contact pressure: the angle grinder can generate the vibration of the whole equipment under high power, and the tribology performance under the vibration condition is carried out on an SRV friction abrasion tester by adopting an ASTM D7594 standard. The specific condition is that the amplitude is 50HZ; the temperature is 100 ℃; a load of 200N; the time is 2h;
3. durable life of angle grinder: the test was conducted by purchasing three domestic model 100 angle grinders with a high power at 880 w. The specific test is to compare the three kinds of grease carried by the user with the grease of the embodiment, the angle grinder is arranged on a test bench after the grease is arranged in a gear box of the angle grinder, and the angle grinder stops the machine for 15s to circularly operate according to the rated power 60s,1.5 times of the rated power 30s and the rated power 30 s. The wear of the gear was observed at intervals, and when the gear was worn in a significantly stepped manner, such as by grinding marks or tooth breakage, the durability of the sample was recorded (measured in hours).
The properties of the greases obtained in examples 1 to 3 were compared with those of the greases for angle grinders in comparative examples 1 to 3, and the evaluation thereof is shown in Table 2.
TABLE 2
As can be seen from Table 2, the grease for the high-temperature, high-speed and long-life angle grinder of the present invention has the following advantages:
1. high temperature resistance: the dropping point and the initial oxidation temperature of each of the solutions of the examples are higher than those of the comparative examples. The products of the examples have very good high temperature resistance.
2. Gao Heci fretting wear resistance under contact pressure: the friction coefficient at high hertzian contact pressure was less than 0.1 for each of the examples, while the comparative examples were greater than 0.1. The products of the examples have better abrasion resistance at hertzian contact pressure.
3. Durable life of angle grinder: the test is to compare the three kinds of grease carried by the user with the grease of the embodiment, the angle grinder is arranged on a test bench after being arranged in a gear box of the angle grinder, and the angle grinder stops the machine for 15s to circularly operate according to the rated power 60s,1.5 times of the rated power 30s and the rated power 30 s. From the experimental results, the endurance life of each scheme in the examples reaches more than 400 hours, and the endurance life of the comparative example is far less than that of the examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The lubricating grease for the high-speed high-temperature long-life angle grinder is characterized in that raw materials of the lubricating grease comprise polyurea base grease and a compound additive, wherein the mass ratio of the polyurea base grease to the compound additive is 90-95:5 to 10;
the compound additive is composed of an extreme pressure antiwear agent, a dispersant, an antioxidant and an antirust agent;
the polyurea base grease is composed of the following components in parts by weight:
base oil: 87-95 parts by weight;
organic amine: 2.0 to 5.0 weight portions;
isocyanate: 2.2 to 5.5 weight portions.
2. The grease for a high-speed, high-temperature, long-life angle grinder as claimed in claim 1, wherein the base oil has a viscosity of 90 to 110mm at 40 ℃ 2 /s。
3. The grease for the high-speed high-temperature long-life angle grinder of claim 1, wherein the base oil is one or more of paraffin-based oil 500SN, 650SN, 700SN, 150BS, 4010 cycloalkyl base oil and 4016 cycloalkyl base oil.
4. The grease for the high-speed high-temperature long-life angle grinder as claimed in claim 1, wherein the organic amine is one or more of isopropylamine, tetradecylamine, octadecylamine, hexadecylamine, 2-Xin Mian, cyclohexylamine, p-toluidine and 2,3 dimethylaniline.
5. The grease for a high-speed, high-temperature and long-life angle grinder of claim 1, wherein the isocyanate is one of TDI-80, MDI-100 and MDI-50.
6. The lubricating grease for the high-speed high-temperature long-life angle grinder as claimed in claim 1, wherein the compound additive comprises the following components in parts by weight:
extreme pressure antiwear agent: 50-60 parts by weight;
dispersing agent: 5-10 parts by weight;
antioxidant: 20-30 parts by weight;
antirust agent: 5 to 10 parts by weight.
7. The grease for the high-speed high-temperature long-life angle mill as claimed in claim 6, wherein the extreme pressure antiwear agent is one or more of dialkyl dithiocarbamate, 2540, T361A, antimony dialkyl dithiocarbamate and dimercaptothiadiazole polymer;
the dispersant is one or more of double-diluted succinimide, mannich dispersant, polyisobutylene diimide and polyisobutylene succinate.
The antioxidant is one or more of N-phenyl-alpha naphthylamine, irganox L135 and octyl butyl diphenylamine.
The antirust agent is one or more of dinonyl naphthalene sulfonate barium salt, benzotriazole, alkyl phosphate imidazoline salt and E614.
8. The method for preparing the grease for the high-speed high-temperature long-life angle grinder as claimed in any one of claims 1 to 7, comprising the steps of:
(1) Preparing an amine liquid: mixing organic amine with part of base oil, and heating to 60-70 deg.C to obtain amine solution A;
(2) Preparing ester liquid: mixing isocyanate with the rest base oil, and heating to 60-70 deg.C to obtain ester solution B;
(3) Mixing the amine liquid A and the ester liquid B to obtain a mixture C;
(4) Heating the mixture C prepared by the reaction in the step (3) to 85-95 ℃, and preserving the heat for 90-120min;
(5) And after the heat preservation is finished, heating to 160-170 ℃, preserving the heat for 10-20min, then naturally cooling to 80 ℃, adding the compound additive in proportion, uniformly stirring, and cooling to obtain a lubricating grease finished product.
9. The method according to claim 8, wherein the base oil used in the step (1) is 50% by mass of the whole base oil.
10. The method according to claim 8, wherein the heating temperature in the step (1) and the step (2) is 65 ℃.
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| CN202210920780.6A CN115287110A (en) | 2022-08-02 | 2022-08-02 | Lubricating grease for high-speed high-temperature long-life angle grinder and preparation method thereof |
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| CN202210920780.6A CN115287110A (en) | 2022-08-02 | 2022-08-02 | Lubricating grease for high-speed high-temperature long-life angle grinder and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3846314A (en) * | 1972-04-17 | 1974-11-05 | Chevron Res | Grease thickened with ureido compound and alkaline earth metal aliphatic carboxylate |
| JPH01297498A (en) * | 1988-05-25 | 1989-11-30 | Kyodo Yushi Kk | High pressure type urea grease composition having excellent corrosion resistance |
| JP2004269574A (en) * | 2003-03-05 | 2004-09-30 | Dai Ichi Kogyo Seiyaku Co Ltd | Heat storage coating |
| CN101696366A (en) * | 2009-10-26 | 2010-04-21 | 益田润石（北京）化工有限公司 | Method for preparing lubricating grease with excellent anti-wear and wear-resistant performance |
| JP2013064057A (en) * | 2011-09-16 | 2013-04-11 | Kyodo Yushi Co Ltd | Grease composition |
| CN103740443A (en) * | 2014-01-21 | 2014-04-23 | 苏州惠丰润滑油有限公司 | Polyurea lubricating grease and preparation method thereof |
| CN111394151A (en) * | 2020-04-27 | 2020-07-10 | 中国石油化工股份有限公司 | Urea-based lubricating grease composition and preparation method thereof |
| CN112522009A (en) * | 2019-09-17 | 2021-03-19 | 中国石油化工股份有限公司 | Angle grinder lubricating grease composition and preparation method thereof |
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2022
- 2022-08-02 CN CN202210920780.6A patent/CN115287110A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3846314A (en) * | 1972-04-17 | 1974-11-05 | Chevron Res | Grease thickened with ureido compound and alkaline earth metal aliphatic carboxylate |
| JPH01297498A (en) * | 1988-05-25 | 1989-11-30 | Kyodo Yushi Kk | High pressure type urea grease composition having excellent corrosion resistance |
| JP2004269574A (en) * | 2003-03-05 | 2004-09-30 | Dai Ichi Kogyo Seiyaku Co Ltd | Heat storage coating |
| CN101696366A (en) * | 2009-10-26 | 2010-04-21 | 益田润石（北京）化工有限公司 | Method for preparing lubricating grease with excellent anti-wear and wear-resistant performance |
| JP2013064057A (en) * | 2011-09-16 | 2013-04-11 | Kyodo Yushi Co Ltd | Grease composition |
| CN103740443A (en) * | 2014-01-21 | 2014-04-23 | 苏州惠丰润滑油有限公司 | Polyurea lubricating grease and preparation method thereof |
| CN112522009A (en) * | 2019-09-17 | 2021-03-19 | 中国石油化工股份有限公司 | Angle grinder lubricating grease composition and preparation method thereof |
| CN111394151A (en) * | 2020-04-27 | 2020-07-10 | 中国石油化工股份有限公司 | Urea-based lubricating grease composition and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 孙志强等: "滚动轴承用聚脲润滑脂的研制试验", 《轴承》 * |
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