CN114075474A - Air compressor oil composition - Google Patents

Air compressor oil composition Download PDF

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Publication number
CN114075474A
CN114075474A CN202010838327.1A CN202010838327A CN114075474A CN 114075474 A CN114075474 A CN 114075474A CN 202010838327 A CN202010838327 A CN 202010838327A CN 114075474 A CN114075474 A CN 114075474A
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Prior art keywords
air compressor
oil composition
compressor oil
oil
antioxidant
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CN202010838327.1A
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Inventor
余德峻
余昳
谌再兴
孔凡浩
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Dongguan Kaipu Lubrication Technology Co ltd
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Dongguan Kaipu Lubrication Technology Co ltd
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Priority to CN202010838327.1A priority Critical patent/CN114075474A/en
Publication of CN114075474A publication Critical patent/CN114075474A/en
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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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
    • C10M2203/065—Well-defined aromatic 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
    • 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
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen 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
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • 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
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • 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
    • 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
    • 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
    • C10M2215/065—Phenyl-Naphthyl amines
    • 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
    • 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
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon 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
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents

Abstract

The air compressor oil composition provided by the embodiment of the invention comprises the following raw materials in percentage by weight: 2.6-4.2% of antioxidant, 0.06-0.1% of antirust agent, 0.3-1.2% of metal deactivator, 0.002-0.01% of demulsifier, 0.05-0.1% of pour point depressant, 10-15 ppm of defoaming agent, 0.01-0.1% of detergent dispersant and the balance of base oil; wherein the base oil is a mixture of group III hydrogenated mineral oil and heavy alkylbenzene. The air compressor oil composition disclosed by the invention is prepared by mixing base oil prepared by mixing heavy alkylbenzene and III-class hydrogenated mineral oil and a high-efficiency antioxidant prepared by mixing ester hindered phenol, alkylated diphenylamine and octyl N-phenyl-alpha-methylnaphthylamine, so that the antioxidant performance and the service life of the air compressor oil composition are greatly improved, and the air compressor oil composition has a good practical value.

Description

Air compressor oil composition
Technical Field
The invention relates to the technical field of lubricating oil, in particular to an air compressor oil composition.
Background
Along with the continuous development and improvement of screw air compressors, the machine body is miniaturized, the temperature is increased, the pressure is increased, more severe requirements are provided for lubricating oil, different types of base oil such as mineral oil type, semi-synthetic type and fully synthetic type and additive formulas matched with the base oil are provided in the market, and the requirements of different use temperatures and longer service life are met.
The mineral screw air compressor oil has the advantages that the base oil is good in sensitivity to an additive, moderate in thermal oxidation stability but poor in solubility to the additive, not beneficial to inhibiting the generation of oil sludge and carbon deposition and short in service life.
The semi-synthetic screw air compressor oil has base oil comprising deeply hydrogenated mineral oil as main component and 15-25% synthetic ester oil, and has obviously improved mineral oil solubility, increased additive variety, raised heat oxidation stability, inhibited oil sludge and carbon deposit formation and long service life.
The base oil is synthetic ester oil or a compound of synthetic ester and oily polyether. The two oils have good thermal oxidation stability, low toxicity, no harm and environmental protection, oxidation products can be dissolved in lubricating oil, a lubricating system is clean, the carbon deposition generation tendency is low, the use temperature and the service life are greatly improved, but the cost is three times of that of mineral oil.
Therefore, how to develop air compressor oil (screw air compressor oil) with strong oxidation resistance, long service life and relatively low cost becomes a technical problem to be solved urgently.
Disclosure of Invention
Accordingly, to overcome at least some of the above disadvantages and drawbacks of the prior art, the present invention provides an air compressor oil composition to improve the antioxidant performance and lifespan of the air compressor oil and to reduce the cost.
The invention provides an air compressor oil composition which comprises the following raw materials in percentage by weight: 2.6-4.2% of antioxidant, 0.06-0.1% of antirust agent, 0.3-1.2% of metal deactivator, 0.002-0.01% of demulsifier, 0.05-0.1% of pour point depressant, 10-15 ppm of defoaming agent, 0.01-0.1% of detergent dispersant and the balance of base oil; wherein the base oil is a mixture of group III hydrogenated mineral oil and heavy alkylbenzene.
In one embodiment of the present invention, the heavy alkylbenzene accounts for 10-40% of the weight of the base oil.
In one embodiment of the present invention, the antioxidant is a mixture of ester-type hindered phenol, alkylated diphenylamine and octyl N-phenyl-alpha-naphthylamine in a ratio of 1:8.3: 4.
In one embodiment of the present invention, the antioxidant comprises: ester-type hindered phenol, diisooctyldiphenylamine and octyl N-phenyl-alpha-methylnaphthylamine, wherein the ester-type hindered phenol accounts for 0.3% by weight of the air compressor oil composition, the diisooctyldiphenylamine accounts for 2.5% by weight of the air compressor oil composition, and the octyl N-phenyl-alpha-methylnaphthylamine accounts for 1.2% by weight of the air compressor oil composition.
In one embodiment of the invention, the rust inhibitor is an amino acid derivative.
In one embodiment of the invention, the metal passivator is a derivative of oil-soluble methylbenzotriazole.
In one embodiment of the invention, the demulsifier is a polyether compound.
In one embodiment of the invention, the pour point depressant is polymethacrylate.
In one embodiment of the present invention, the defoaming agent is polymethylsilicone oil.
In one embodiment of the invention, the detergent dispersant is succinimide.
In conclusion, the air compressor oil composition provided by the invention greatly improves the antioxidant performance and the service life of the air compressor oil composition by adopting the base oil formed by mixing the heavy alkylbenzene and the III-class hydrogenated mineral oil and the high-efficiency antioxidant formed by mixing the ester hindered phenol, the alkylated diphenylamine and the octyl N-phenyl-alpha-methyl naphthylamine, and has particularly good practical value.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The air compressor oil composition provided by the embodiment of the invention comprises the following raw materials in percentage by weight: 2.6-4.2% of antioxidant, 0.06-0.1% of antirust agent, 0.3-1.2% of metal deactivator, 0.002-0.01% of demulsifier, 0.05-0.1% of pour point depressant, 10-15 ppm of defoaming agent, 0.01-0.1% of detergent dispersant and the balance of base oil; wherein the base oil is a mixture of group III hydrogenated mineral oil and heavy alkylbenzene.
Wherein the weight ratio of the heavy alkylbenzene in the base oil is, for example, 10-40%. The heavy alkylbenzene is a by-product of a synthetic alkylbenzene sulfonic acid washing agent, has the advantages of better additive solubility, high thermal stability, low condensation point and the like, and can improve the solubility of hydrogenated oil and better reduce the carbon deposition tendency of an oxidation product after being mixed with the III type hydrogenated mineral oil according to the proportion. Meanwhile, the viscosity index of the base oil obtained by mixing the heavy alkylbenzene and the III type hydrogenated mineral oil according to the proportion still can meet the requirement of lubricating oil on the viscosity index, namely, the heavy alkylbenzene and the III type hydrogenated mineral oil are mixed according to the proportion to produce the air compressor oil with the viscosity grades of 32#, 37#, 46# and the like. The viscosity indexes of the base oil obtained by mixing the heavy alkylbenzene and the III-class hydrogenated mineral oil according to different proportions are different, and the following table is specifically referred to:
name (R) Heavy alkyl benzene% Mineral oil of group III% Viscosity index VI
Base oil 1 10 90 125
Base oil 2 20 80 119
Base oil 3 30 70 111
Base oil 4 40 60 110
In one embodiment of this example, the antioxidant is a mixture of an ester-type hindered phenol, an alkylated diphenylamine and octyl N-phenyl-alpha-naphthylamine in a 1:8.3:4 ratio. Because the ester-type hindered phenol can not be crystallized at low temperature, is not easy to volatilize and can help to control oxidation and high-temperature precipitates, the use temperature of the alkylated diphenylamine can reach 200-206 ℃, and the octyl N-phenyl-alpha-methylnaphthylamine is a high-efficiency long-life ashless antioxidant, the antioxidant formed by mixing the ester-type hindered phenol, the alkylated diphenylamine and the octyl N-phenyl-alpha-methylnaphthylamine according to the proportion of 1:8.3:4 can act at different temperatures and can also effectively inhibit the oxidation mechanism of free radicals or peroxides.
Preferably, the ester-type hindered phenol accounts for 0.3% of the weight of the air compressor oil composition, the alkylated diphenylamine is diisooctyl diphenylamine, the diisooctyl diphenylamine accounts for 2.5% of the weight of the air compressor oil composition, and the octyl N-phenyl-alpha-methylnaphthylamine accounts for 1.2% of the weight of the air compressor oil composition.
In one embodiment of this embodiment, the rust inhibitor is an amino acid derivative. The amino acid derivative can pass an artificial seawater rust prevention test when the weight part is 0.06-0.1%, is stable at high temperature, and has a synergistic effect on demulsification and air release values.
In a specific embodiment of this embodiment, the metal deactivator is a derivative of oil-soluble methylbenzotriazole. The derivative of the oil-soluble methylbenzotriazole enables the metal passivator to have the function of passivating metal at high temperature to prevent corrosion, and can generate a synergistic effect with an antioxidant to prolong the service life of an oil product.
In one embodiment of this example, the demulsifier is a polyether compound. The polyether compound is efficient and easy to disperse, and the demulsification time can be as low as 5 minutes.
In one embodiment of this embodiment, the pour point depressant is polymethacrylate. The polymethacrylate can reduce the condensation point by-10 ℃.
In one embodiment of this embodiment, the defoamer is polymethylsilicone oil. The specific process of adding the defoaming agent to the air compressor oil can be, for example: the preparation method comprises the steps of mixing polymethylsilicone oil with the molecular weight of 5000 and 30000 according to the optimal ratio of 1: 4, adding the mixture into kerosene to prepare a silicone oil solution, wherein the concentration ratio of the polymethylsilicone oil in the silicone oil solution is 10%, slowly adding the polymethylsilicone oil into air compressor oil under stirring, and continuously stirring for 1 hour, wherein the adding amount of the polymethylsilicone oil in the silicone oil solution is 10ppm for example.
In one embodiment of this embodiment, the detergent dispersant is succinimide.
The conventional rotary oxygen bomb SH/T0193 and the mineral oil oxidation characteristic GB/T1258195 ℃ oxidation method are only used for reference, and all of the methods have the defects that the sludge and carbon deposition tendency generated by the additive at high temperature cannot be intuitively reflected. The embodiment of the invention adopts a high-temperature small tube test, and the matching effect of the additive is judged by observing the change of the color, the viscosity and the acid value of the air compressor oil composition, the metal corrosion and the sludge deposition condition of the test through controlling the temperature and the air flow, adding the metal steel and the copper catalytic action for a long time, so that the result can reflect the actual service condition of the air compressor oil composition and can predict the service life.
Specifically, the tubule oxidation test conditions may be, for example: 40ml of the sample is added into the small tube, 1 meter of steel and copper metal wires are added, the air flow is 250ml/min, the temperature is 175 ℃, and the test time is passed.
The test decision criteria may be, for example: after the test was completed, the viscosity (change: not more than 20%), the acid value (not more than 2.0mgKOH/g) and the amount of carbon deposit formation of the sample were measured.
In addition, through the field real machine service condition, the relevant rule between the metal corrosion condition passed by the test and the actual service life is found:
the service life of the catalyst in a conventional screw air compressor is 2000 hours through 150-hour oxidation;
the service life of the product is 3000 hours in a conventional screw air compressor through 200-hour oxidation;
the service life of the product is 5000 hours in a conventional screw air compressor through 250 hours of oxidation;
the service life was 8000 hours in a conventional screw air compressor by 300 hours oxidation.
See the examples below for specific sample formulations and experimental results.
[ first embodiment ] A method for manufacturing a semiconductor device
Formulation example:
Figure BDA0002640501110000061
the experimental results are as follows:
Figure BDA0002640501110000062
Figure BDA0002640501110000071
[ second embodiment ]
Formulation example:
Figure BDA0002640501110000072
the experimental results are as follows:
Figure BDA0002640501110000073
Figure BDA0002640501110000081
[ third embodiment ]
Formulation example:
Figure BDA0002640501110000082
the experimental results are as follows:
Figure BDA0002640501110000083
Figure BDA0002640501110000091
[ fourth example ] A
Formulation example:
Figure BDA0002640501110000092
the experimental results are as follows:
Figure BDA0002640501110000101
[ fifth embodiment ]
Formulation example:
Figure BDA0002640501110000102
Figure BDA0002640501110000111
the experimental results are as follows:
Figure BDA0002640501110000112
it can be seen from the formulation examples and test results of the above examples that, compared with pure mineral oil type screw air compressor oil, the air compressor oil composition of the present invention greatly improves the antioxidant performance and the service life of the air compressor oil composition by using the base oil formed by mixing heavy alkylbenzene and the class iii hydrogenated mineral oil, and matching with the high-efficiency antioxidant formed by mixing ester type hindered phenol, alkylated diphenylamine and octyl N-phenyl-alpha-methyl naphthylamine, wherein the service life can reach 8000 hours, and the air compressor oil composition has good practical value.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated without conflict between technical features and structural contradictions, which do not violate the purpose of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The air compressor oil composition is characterized by comprising the following raw materials in percentage by weight: 2.6-4.2% of antioxidant, 0.06-0.1% of antirust agent, 0.3-1.2% of metal deactivator, 0.002-0.01% of demulsifier, 0.05-0.1% of pour point depressant, 10-15 ppm of defoaming agent, 0.01-0.1% of detergent dispersant and the balance of base oil;
wherein the base oil is a mixture of group III hydrogenated mineral oil and heavy alkylbenzene.
2. The air compressor oil composition of claim 1, wherein the heavy alkylbenzene is 10-40% by weight of the base oil.
3. The air compressor oil composition of claim 1, wherein the antioxidant is a mixture of an ester hindered phenol, an alkylated diphenylamine, and an octyl N-phenyl-alpha-naphthylamine, the ester hindered phenol, the alkylated diphenylamine, and the octyl N-phenyl-alpha-naphthylamine being in a ratio of 1:8.3: 4.
4. The air compressor oil composition of claim 1, wherein the antioxidant comprises: ester-type hindered phenol, diisooctyldiphenylamine and octyl N-phenyl-alpha-methylnaphthylamine, wherein the ester-type hindered phenol accounts for 0.3% by weight of the air compressor oil composition, the diisooctyldiphenylamine accounts for 2.5% by weight of the air compressor oil composition, and the octyl N-phenyl-alpha-methylnaphthylamine accounts for 1.2% by weight of the air compressor oil composition.
5. The air compressor oil composition of claim 1, wherein the rust inhibitor is an amino acid derivative.
6. The air compressor oil composition of claim 1, wherein the metal deactivator is a derivative of oil-soluble methylbenzotriazole.
7. The air compressor oil composition of claim 1, wherein the demulsifier is a polyether compound.
8. The air compressor oil composition of claim 1, wherein the pour point depressant is polymethacrylate.
9. The air compressor oil composition of claim 1, wherein the anti-foaming agent is polymethylsilicone oil.
10. The air compressor oil composition of claim 1, wherein the detergent dispersant is a succinimide.
CN202010838327.1A 2020-08-19 2020-08-19 Air compressor oil composition Pending CN114075474A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090054283A1 (en) * 2007-08-24 2009-02-26 E.I. Dupont De Nemours And Company Lubrication oil compositions
CN102498194A (en) * 2009-08-05 2012-06-13 巴斯夫欧洲公司 Lubricant composition
CN102618360A (en) * 2011-01-27 2012-08-01 中国石油化工股份有限公司 Compressor oil composition
CN106433937A (en) * 2016-09-22 2017-02-22 浙江海洋大学 Totally-synthesized DAJ heavy-load screw air compressor oil composition
CN109054963A (en) * 2018-10-18 2018-12-21 江西欧派斯润滑科技有限公司 A kind of rotary screw air compressor oil
CN109321336A (en) * 2018-10-30 2019-02-12 深圳市鸿庆泰石油添加剂有限公司 Screw compression machine oil and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090054283A1 (en) * 2007-08-24 2009-02-26 E.I. Dupont De Nemours And Company Lubrication oil compositions
CN102498194A (en) * 2009-08-05 2012-06-13 巴斯夫欧洲公司 Lubricant composition
CN102618360A (en) * 2011-01-27 2012-08-01 中国石油化工股份有限公司 Compressor oil composition
CN106433937A (en) * 2016-09-22 2017-02-22 浙江海洋大学 Totally-synthesized DAJ heavy-load screw air compressor oil composition
CN109054963A (en) * 2018-10-18 2018-12-21 江西欧派斯润滑科技有限公司 A kind of rotary screw air compressor oil
CN109321336A (en) * 2018-10-30 2019-02-12 深圳市鸿庆泰石油添加剂有限公司 Screw compression machine oil and preparation method thereof

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Application publication date: 20220222