CN113667526A - Long-life compressor oil and preparation method thereof - Google Patents

Long-life compressor oil and preparation method thereof Download PDF

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Publication number
CN113667526A
CN113667526A CN202110910180.7A CN202110910180A CN113667526A CN 113667526 A CN113667526 A CN 113667526A CN 202110910180 A CN202110910180 A CN 202110910180A CN 113667526 A CN113667526 A CN 113667526A
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China
Prior art keywords
oil
percent
agent
compressor oil
soluble polyether
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Pending
Application number
CN202110910180.7A
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Chinese (zh)
Inventor
蒋申雷
谭千君
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Jiangsu Guoping Oil Technnology Co ltd
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Jiangsu Guoping Oil Technnology Co ltd
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Priority to CN202110910180.7A priority Critical patent/CN113667526A/en
Publication of CN113667526A publication Critical patent/CN113667526A/en
Pending legal-status Critical Current

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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
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic compounds
    • C10M2203/045—Well-defined cycloaliphatic compounds used as base material
    • 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
    • C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
    • 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
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
    • 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
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic 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
    • C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
    • 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
    • C10M2223/049—Phosphite
    • 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
    • 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
    • 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
    • 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
    • C10N2040/30—Refrigerators lubricants or compressors lubricants

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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 long-life compressor oil and a preparation method thereof, wherein the compressor oil comprises the following components: the lubricating oil comprises polyol ester, an antioxidant, an antifoaming agent, a rust inhibitor, an antiwear agent, fullerene, oil-soluble polyether, polyalphaolefin and aromatic hydrocarbon hydrogenated naphthenic oil, wherein the mass ratio of the oil-soluble polyether to the polyalphaolefin to the aromatic hydrocarbon hydrogenated naphthenic oil is 1-3: 4-8: 3-6. According to the invention, the oil-soluble polyether, the polyalphaolefin and the aromatic hydrocarbon hydrogenated naphthenic base oil are mixed to be used as the base oil, the defect of single base oil is changed, the advantages of different base oils can be respectively exerted, the performances such as oxidation resistance, thermal stability and lubricity of the compressor oil can be improved, the comprehensive performance is optimized, the friction is reduced, the carbon and mud deposition is not easy to occur, the synergistic effect with other components is good, the service life of the compressor oil is greatly prolonged, the cost performance is high, the compressor oil can be used for a long time in a high-temperature environment, and the compressor oil is green, environment-friendly and high in biodegradation rate, and is suitable for industrial popularization and use.

Description

Long-life compressor oil and preparation method thereof
Technical Field
The invention belongs to the technical field of compressor oil, and particularly relates to long-life compressor oil and a preparation method thereof.
Background
The compressor is an indispensable equipment in industrial field, and the compressor is various, need select suitable compressor according to actual conditions, to spouting oil type compressor, compressor oil in the compressor can play multiple functions such as cooling, lubrication, sealed, fall and make an uproar. The existing compressor oil is mineral oil, synthetic engine oil and vegetable engine oil, which are usually made of single base oil, cannot meet the working requirement of a complex compressor, and the performance and the service life of the compressor oil are required to be prolonged.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide long-life compressor oil and a preparation method thereof.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
the long-life compressor oil comprises the following components in percentage by mass:
10 to 20 percent of polyol ester
2 to 5 percent of antioxidant
Antifoam agent 20ppm
0.5 to 1 percent of antirust agent
0.5 to 1.5 percent of antiwear agent
1 to 4 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 1-3: 4-8: 3-6.
Further, the paint comprises the following components in percentage by mass:
15 to 18 percent of polyol ester
4 to 5 percent of antioxidant
Antifoam agent 20ppm
0.6 to 0.8 percent of antirust agent
0.8 to 1.2 percent of antiwear agent
2 to 3 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 2: 8: 5.
further, the antioxidant is a food grade phenol antioxidant.
Further, the polyol ester is a polybasic fatty acid with 8-10 carbon atoms.
Furthermore, the anti-foaming agent adopts a fluorine-silicon anti-foaming agent.
Further, the antirust agent is barium petroleum sulfonate and dodecenylsuccinic acid, and the weight ratio of the barium petroleum sulfonate to the dodecenylsuccinic acid is 1-3: 2-5 weight ratio.
Further, the antiwear agent is n-dibutyl phosphite.
The invention discloses a preparation method of long-life compressor oil, which comprises the following steps:
under the protection of argon, polyol ester, oil-soluble polyether, poly-alpha-olefin and aromatic hydrocarbon hydrogenated naphthenic base oil are mixed, stirred uniformly at 25-40 ℃, then antioxidant, antifoaming agent, antirust agent, antiwear agent and fullerene are added, and stirred uniformly for not less than 35min, so that the required compressor oil is obtained.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses long-life compressor oil and a preparation method thereof, and the compressor oil comprises the following components in percentage by mass: 10% -20% of polyol ester, 2% -5% of antioxidant, 20ppm of anti-foaming agent, 0.5% -1% of antirust agent, 0.5-1.5% of antiwear agent and 1% -4% of fullerene, wherein the sum of the components is 100%, and the balance is a mixture of oil-soluble polyether, polyalphaolefin and aromatic hydrocarbon hydrogenated naphthenic oil, and the mass ratio of the oil-soluble polyether to the polyalphaolefin to the aromatic hydrocarbon hydrogenated naphthenic oil is 1-3: 4-8: 3-6. According to the long-life compressor oil and the preparation method thereof, the oil-soluble polyether, the poly-alpha-olefin and the aromatic hydrocarbon hydrogenated naphthenic base oil are mixed to be used as the base oil, the defect of single base oil is overcome, the advantages of different base oils can be exerted respectively, the performances of oxidation resistance, thermal stability, lubricity and the like of the compressor oil can be improved, the comprehensive performance is optimized, friction is reduced, carbon deposition and mud accumulation are not easy to occur, the compressor oil has a good synergistic effect with other components, the service life of the compressor oil is greatly prolonged, the cost performance is high, the compressor oil can be used for a long time in a high-temperature environment, and the long-life compressor oil is green, environment-friendly and high in biodegradation rate and is suitable for industrial popularization and use.
Detailed Description
The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.
Example 1
The long-life compressor oil comprises the following components in percentage by mass:
16 percent of polyol ester
4.2 percent of antioxidant
Antifoam agent 20ppm
0.7 percent of antirust agent
1.0 percent of antiwear agent
2.9 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 2: 8: 5.
the antioxidant is food grade phenol antioxidant.
The polyol ester is a C8 polybasic fatty acid.
The anti-foaming agent adopts a fluorine-silicon anti-foaming agent.
The rust inhibitor is prepared from barium petroleum sulfonate and dodecenylsuccinic acid according to the weight ratio of 1: 3 weight ratio.
The antiwear agent is n-dibutyl phosphite.
A preparation method of long-life compressor oil comprises the following steps:
under the protection of argon, polyol ester, oil-soluble polyether, poly-alpha-olefin and aromatic hydrocarbon hydrogenated naphthenic base oil are mixed, stirred uniformly at 25 ℃, then antioxidant, antifoaming agent, antirust agent, antiwear agent and fullerene are added, and stirred uniformly for not less than 35min, so that the required compressor oil is obtained.
Example 2
The long-life compressor oil comprises the following components in percentage by mass:
17 percent of polyol ester
Antioxidant 4%
Antifoam agent 20ppm
0.65 percent of antirust agent
0.8 percent of antiwear agent
2 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 2: 8: 5.
a preparation method of long-life compressor oil comprises the following steps:
under the protection of argon, polyol ester, oil-soluble polyether, poly-alpha-olefin and aromatic hydrocarbon hydrogenated naphthenic base oil are mixed, stirred uniformly at 25 ℃, then antioxidant, antifoaming agent, antirust agent, antiwear agent and fullerene are added, and stirred uniformly for not less than 35min, so that the required compressor oil is obtained.
The same as in example 1.
Example 3
The long-life compressor oil comprises the following components in percentage by mass:
10 percent of polyol ester
4.5 percent of antioxidant
Antifoam agent 20ppm
0.8 percent of antirust agent
1.4 percent of antiwear agent
3 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 3: 4: 3.
the same as in example 1.
Example 4
The long-life compressor oil comprises the following components in percentage by mass:
19 percent of polyol ester
2 percent of antioxidant
Antifoam agent 20ppm
0.6 percent of antirust agent
0.8 percent of antiwear agent
1.4 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 2: 8: 5.
the same as in example 1.
The parts of the invention not specifically described can be realized by adopting the prior art, and the details are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The long-life compressor oil is characterized by comprising the following components in percentage by mass:
10 to 20 percent of polyol ester
2 to 5 percent of antioxidant
Antifoam agent 20ppm
0.5 to 1 percent of antirust agent
0.5 to 1.5 percent of antiwear agent
1 to 4 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 1-3: 4-8: 3-6.
2. The long life compressor oil as claimed in claim 1, comprising the following components in percentage by mass:
15 to 18 percent of polyol ester
4 to 5 percent of antioxidant
Antifoam agent 20ppm
0.6 to 0.8 percent of antirust agent
0.8 to 1.2 percent of antiwear agent
2 to 3 percent of fullerene
The sum of all the components is 100 percent, the balance is a mixture of oil-soluble polyether, poly-alpha-olefin and aromatic hydrogenated naphthenic base oil, and the mass ratio of the oil-soluble polyether to the poly-alpha-olefin to the aromatic hydrogenated naphthenic base oil is 2: 8: 5.
3. the long life compressor oil of claim 1 or 2, wherein the antioxidant is a food grade phenolic antioxidant.
4. The long life compressor oil as claimed in claim 1 or 2, wherein the polyol ester is a polyhydric fatty acid having 8 to 10 carbon atoms.
5. The long life compressor oil as claimed in claim 1 or 2, wherein said anti-foaming agent is a fluorosilicone anti-foaming agent.
6. The long life compressor oil according to claim 1 or 2, wherein the rust inhibitor is a mixture of barium petroleum sulfonate and dodecenylsuccinic acid in a ratio of 1-3: 2-5 weight ratio.
7. The long life compressor oil of claim 1 or 2 wherein said antiwear agent is n-dibutyl phosphite.
8. The method for producing a long life compressor oil as claimed in any one of claims 1 to 7, comprising the steps of:
under the protection of argon, polyol ester, oil-soluble polyether, poly-alpha-olefin and aromatic hydrocarbon hydrogenated naphthenic base oil are mixed, stirred uniformly at 25-40 ℃, then antioxidant, antifoaming agent, antirust agent, antiwear agent and fullerene are added, and stirred uniformly for not less than 35min, so that the required compressor oil is obtained.
CN202110910180.7A 2021-08-09 2021-08-09 Long-life compressor oil and preparation method thereof Pending CN113667526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110910180.7A CN113667526A (en) 2021-08-09 2021-08-09 Long-life compressor oil and preparation method thereof

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Application Number Priority Date Filing Date Title
CN202110910180.7A CN113667526A (en) 2021-08-09 2021-08-09 Long-life compressor oil and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113667526A true CN113667526A (en) 2021-11-19

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ID=78541961

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107573995A (en) * 2017-09-06 2018-01-12 浙江实美润滑科技有限公司 A kind of high antioxidant long-life fully synthetic screw-rod air compressor oil and preparation method thereof
CN110079375A (en) * 2019-04-15 2019-08-02 北京雅士科莱恩石油化工有限公司 A kind of screw compression machine oil and preparation method thereof
CN111263802A (en) * 2017-10-25 2020-06-09 昭和电工株式会社 Lubricating oil composition containing fullerene and method for producing same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107573995A (en) * 2017-09-06 2018-01-12 浙江实美润滑科技有限公司 A kind of high antioxidant long-life fully synthetic screw-rod air compressor oil and preparation method thereof
CN111263802A (en) * 2017-10-25 2020-06-09 昭和电工株式会社 Lubricating oil composition containing fullerene and method for producing same
CN110079375A (en) * 2019-04-15 2019-08-02 北京雅士科莱恩石油化工有限公司 A kind of screw compression machine oil and preparation method thereof

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