CN103740439B - The preparation method of air compressor oil recombiner, air compressor oil recombiner and air compressor oil composition - Google Patents
The preparation method of air compressor oil recombiner, air compressor oil recombiner and air compressor oil composition Download PDFInfo
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Abstract
The present invention relates to air compressor oil recombiner, the preparation method of air compressor oil recombiner and air compressor oil composition.Described air compressor oil recombiner comprises: A, at least one sulfocompound; B, at least one phenolic antioxidant; C, at least one metal passivator; D, at least one emulsion splitter; E, at least one kilfoam; F, at least one base oil.This recombiner, can not variable color in using not containing amine antioxidants, not metal ion, can not produce katalysis, have excellent oxidation stability, be particularly useful for requiring higher operating mode occasion to air compressor oil color to oil oxidation.Air compressor oil recombiner use properties of the present invention is good, and preparation is simple, and cost is low, is extremely beneficial to commercial introduction application.The invention still further relates to preparation method and the air compressor oil composition of air compressor oil recombiner.
Description
Technical field
The present invention relates to a kind of air compressor oil recombiner, be specifically related to the Ashless type air compressor oil recombiner that a kind of appearance color with strong anti-oxidation is stable, be particularly useful for requiring higher operating mode occasion to air compressor oil color.The invention still further relates to the preparation method of air compressor oil recombiner and comprise the air compressor oil composition of this air compressor oil recombiner.
Background technology
Relative to the lubricating oil of other types, the Working environment of air compressor oil is extremely harsh, main manifestations is: (1) high temperature, during air compressor work, the heat of compression that lubricating oil produces when will absorb gas compression, in whole operation process, compressor oil is exactly the thermal barrier of a circulation, and its working temperature remains on more than 90 DEG C always.(2) high-pressure oxidation effect, because oxygen partial pressure improves with compressed-air actuated pressure increase, the oxygenizement of compressor oil is accelerated with the increase of oxygen partial pressure, so require the thermal oxidation stability of air compressor oil better than other lubricating oil.All add a large amount of oxidation inhibitor to enable air compressor oil run for a long time in the operating mode of high temperature high oxidation both at home and abroad at present, and wherein nearly all containing amine antioxidants.As Chinese invention patent application number be 200510048003.3 rotary jetting air-compressor lubricating oil, application number be 200510026494.1 a kind of synthetic air compressor oil, application number be 200710175271.0 compressor oil composition and application number be 200910046629.9 a kind of composite synthetic air compressor oil, all amines additives is strengthened the oxidation stability of air compressor oil as main oxidation inhibitor.
Amine antioxidants is the derivative of aromatic amine, mainly contain secondary diarylamine, Ursol D, ketoamine and aldehyde amine etc., although this kind antioxidant antioxidant effect is good, but easily make oil product variable color, particularly under the worst hot case of air compressor, air compressor oil runs the time less than one day, will redden.This shortcoming makes the air compressor oil containing amine antioxidants cannot use under requiring higher operating mode occasion to oil product color.Chinese invention patent application number mentions a kind of environmental friendliness energy-saving heavy-loading compressor oil, wherein by sulphur phosphorus brothers alcohol radical zinc salt and secondary alcohol groups zinc dialkyl dithiophosphate compound, to improve the antioxygen non-corrosibility of compressor oil for 201310126519.X.But containing metallic zinc in formula, there is detrimentally affect to the resistance to emulsion of oil product, but also add carbon residue and the ash value of oil product.
Summary of the invention
the problem that invention will solve
The present invention proposes a kind of air compressor oil recombiner, be specifically related to the Ashless type air compressor oil recombiner that a kind of appearance color with strong anti-oxidation is stable, this recombiner is not containing amine antioxidants, not metal ion, can not variable color in using, katalysis can not be produced to oil oxidation, there is excellent oxidation stability, be particularly useful for requiring higher operating mode occasion to air compressor oil color.Air compressor oil recombiner use properties of the present invention is good, and preparation is simple, and cost is low, is extremely beneficial to commercial introduction application.
for the scheme of dealing with problems
The invention provides a kind of Ashless type air compressor oil recombiner, it comprises following component:
A, at least one sulfocompound;
B, at least one phenolic antioxidant;
C, at least one metal passivator;
D, at least one emulsion splitter;
E, at least one kilfoam; With
F, at least one base oil.
Ashless type air compressor oil recombiner of the present invention, wherein, sulfocompound is thiocarbamates compound or thiophosphatephosphorothioate compounds, or their any mixture.
Ashless type air compressor oil recombiner of the present invention, wherein, phenolic antioxidant is be selected from least one in the group of following material composition: 2-tert-butyl phenol, 2, 4-di-tert-butylphenol, 2, 6-ditertbutylparacresol, 2, 6-di-t-butyl-4-alkylphenol, 2, 6-di-t-butyl-4-alkoxyl group phenol, 4, 4 '-butylidene-bis(3-methyl-6-t-butyl phenol), two (3, 5-di-tert-butyl-4-hydroxyl benzyl) thioether, 3, 5-di-tert-butyl-4-hydroxyl benzyl sulfydryl-octyl group acetic ester, alkyl-3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic ester, 2, 2 '-sulfo--[diethyl-3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic ester] and 4, 4 '-thiobis (3 methy 6 tert butyl phenol).
Ashless type air compressor oil recombiner of the present invention, wherein, metal passivator is be selected from least one in the group of following material composition: benzotriazole or derivatives thereof, alkyl triazole or derivatives thereof, benzothiazole or derivatives thereof, thiadiazoles or derivatives thereof, benzoglyoxaline or derivatives thereof, and indazole or derivatives thereof.
Ashless type air compressor oil recombiner of the present invention, wherein, emulsion splitter is condenses, the sulfonate type emulsion splitter of polyoxy alkylidene ether, polyoxyalkylene fatty acid esters, amine and epoxy compounds, or their any mixture.
Ashless type air compressor oil recombiner of the present invention, wherein, kilfoam is siloxanes, organosilicon acid esters, polyalkyl acrylate, tensio-active agent, or their any mixture.
Ashless type air compressor oil recombiner of the present invention, wherein, base oil is selected from least one of mineral oil, poly-alpha olefins, ethers oil, Esters oil or silicone oil.
Ashless type air compressor oil recombiner of the present invention, wherein, with the gross weight of Ashless type air compressor oil recombiner for benchmark, the content of component A sulfocompound is 60 ~ 80 % by weight, preferably 65 ~ 75 % by weight; The content of B component phenolic antioxidant is 10 ~ 30 % by weight, preferably 15 ~ 20 % by weight; The content of component C metal passivator is 3 ~ 10 % by weight, preferably 5 ~ 8 % by weight; The content of D component emulsion splitter is 0.1 ~ 0.8 % by weight, preferably 0.2 ~ 0.4 % by weight; The content of component E kilfoam is 0.1 ~ 1 % by weight, preferably 0.3 ~ 0.6 % by weight, and all the other are F component base oil, and all components sum is 100 % by weight.
The present invention also provides a kind of air compressor oil composition, it comprises base oil and Ashless type air compressor oil recombiner of the present invention, described Ashless type air compressor oil recombiner accounts for 0.8 % by weight to 3 % by weight of described air compressor oil composition, and preferably 1.2 % by weight to 1.8 % by weight.
The present invention also provides a kind of preparation method of Ashless type air compressor oil recombiner, and it comprises required each component mixing, at 20-60 DEG C, be stirred to homogeneous transparent.
the effect of invention
The Ashless type air compressor oil recombiner that a kind of appearance color with strong anti-oxidation provided by the invention is stable, mainly have the following advantages: the oxidation stability that (1) is excellent, component A sulfocompound selected by the present invention, have between B component phenolic antioxidant and component C metal passivator three and be oxidized synergy preferably, the oxidisability self had can be given full play to, even if do not add amine oxidation inhibitor, also air compressor oil can be made to keep good oxidation stability, under suitable additive formula, the rotary oxygen bomb time of the air compressor oil prepared by recombiner of the present invention can reach more than 2000min, far above the product standard (rotary oxygen bomb value 1000min) of China's air compressor oil.(2) recombiner of the application is not containing amine antioxidants, appearance color is stablized, the color of the air compressor oil thus modulated by it is colourless, and can not redden along with storage and the medium-term and long-term use of high-temperature work environment, the very suitable operating mode occasion be applied in lube color requirement harshness.(3) recombiner of the application not metal ion, can not produce katalysis to oxidation of lubricating oil on the one hand, also can not produce ash content on the other hand.To sum up, recombiner of the present invention is the stable Ashless type air compressor oil recombiner of a kind of appearance color with strong anti-oxidation, and use properties is good, and preparation is simple, and cost is low, is extremely beneficial to commercial introduction application.
Embodiment
The invention provides a kind of air compressor oil recombiner, be specifically related to the Ashless type air compressor oil recombiner that a kind of appearance color with strong anti-oxidation is stable, this recombiner is not containing amine antioxidants, not metal ion, can not variable color in using, katalysis can not be produced to oil oxidation, there is excellent oxidation stability, be particularly useful for requiring higher operating mode occasion to air compressor oil color.Air compressor oil recombiner use properties of the present invention is good, and preparation is simple, and cost is low, is extremely beneficial to commercial introduction application.
The Ashless type air compressor oil recombiner that the appearance color of what the present invention mentioned have strong anti-oxidation is stable, it contains: (A) at least one sulfocompound; (B) at least one phenolic antioxidant; (C) at least one metal passivator; (D) at least one emulsion splitter; (E) at least one kilfoam; (F) at least one base oil.
Component A of the present invention is sulfocompound, it is preferably selected from thiocarbamates compound or thiophosphatephosphorothioate compounds or their any mixture, can be selected from one or more in methylene-bis Keywords dibutyl dithiocarbamate, Keywords dibutyl dithiocarbamate, diamyl dithiocarbamate ester, dibutyl dithio phosphoric acid ester, diamyl disulfide substituted phosphate, dioctyl phosphorodithioate, tributyl thiophosphate, tri o cresyl thiophosphate amyl group ester, tri o cresyl thiophosphate phenylester, tri o cresyl thiophosphate (tolyl) ester.
Described B component is phenolic antioxidant, it is preferably selected from 2-tert-butyl phenol, 2, 4-di-tert-butylphenol, 2, 6-ditertbutylparacresol, 2, 6-di-t-butyl-4-alkylphenol, 2, 6-di-t-butyl-4-alkoxyl group phenol, 4, 4 '-butylidene-bis(3-methyl-6-t-butyl phenol), two (3, 5-di-tert-butyl-4-hydroxyl benzyl) thioether, 3, 5-di-tert-butyl-4-hydroxyl benzyl sulfydryl-octyl group acetic ester, alkyl-3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic ester, 2, 2 '-sulfo--[diethyl-3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic ester], 4, a kind of or the two or more arbitrarily combination of 4 '-thiobis (3 methy 6 tert butyl phenol) etc.
The chain reaction of hydro carbons can be caused in metallic surface, the metal ion especially Cu of trace
2+, Fe
3+, katalysis is played to the oxidation of hydro carbons.Add metal passivator in lubricating oil, metal ion can be suppressed the katalysis of oxidation.The metal passivator of applicable component C of the present invention is selected from least one in the group of following material composition: benzotriazole or derivatives thereof, alkyl triazole or derivatives thereof, benzothiazole or derivatives thereof, thiadiazoles or derivatives thereof, benzoglyoxaline or derivatives thereof, with at least one of indazole or derivatives thereof etc., be preferably selected from benzotriazole, tolyl-triazole, 4-alkyl benzotriazole such as 4-Methylbenzotriazole, 5-alkyl benzotriazole such as 5-Methylbenzotriazole, octyl group triazole, decyl triazole, dodecyl triazole, benzothiazole, 2-mercaptobenzothiazole, 2, 5-dimercapto-1, 3, 4-thiadiazoles, one or more in benzoglyoxaline and toluene indazole.
Described D component emulsion splitter is preferably optional from polyoxy alkylidene ether, polyoxyalkylene fatty acid esters, the condenses of amine and epoxy compounds, sulfonate type emulsion splitter, or their any mixture.Such as propylene oxide/epoxyethane block copolymer, polyoxyethylene polyoxypropylene propylene glycol, polyoxyethylene polyoxypropylene quadrol, one or more in polyoxyethylene polyoxypropylene ethyl phosphonic acid ester, Sodium dodecylbenzene sulfonate.
The preferred optional polysiloxane of described component E kilfoam, organosilicon acid esters, polyalkyl acrylate, tensio-active agent or their any mixture etc.Can mention: one or more in dimethyl polysiloxane, fluorosilicone, diethyl silicon ester, polymethylmethacrylate and PFPE etc.
Oil based on described F component, comprise mineral oil, poly-alpha olefins, ethers oil, Esters oil or silicone oil one or more; Suitable mineral oil have be selected from API (API) and classify group I, II, III base oil, or their mixture.Be applicable to poly-alpha olefins of the present invention and can comprise PAO2 according to the difference of the kinematic viscosity at 40 DEG C, PAO4, PAO6, PAO8, PAO10 etc.; Another kind of useful ucon oil includes but not limited to use wherein terminal hydroxyl by the alkylene oxide polymer of such as esterification or etherificate in addition modification, specifically has the polymkeric substance prepared by the polymerization of oxyethane or propylene oxide.The useful synthetic oil of another class includes but not limited to the ester of dicarboxylic acid and various alcohol, and specific examples comprises Polycizer W 260, sebacic acid two (2-ethylhexyl) ester, fumaric acid di-n-hexyl ester, sebacic acid dioctyl ester, phthalic acid dioctyl ester, phthalic acid didecyl ester.Another kind of oil comprises silicon-based oil such as poly-alkyl, poly-aryl, poly-alkoxyl group or poly-aryloxy silicone oil and silicic acid ester oil, as tetraethyl orthosilicate, silicic acid four isopropyl ester, polymethyl siloxane etc.Also comprise alkylbenzene as dodecylbenzene, Tetradecylbenzene, dinonyl benzene; Polyphenyl is as biphenyl, terphenyl, alkylating polyphenyl etc.; Alkylating phenyl ether and alkylating diphenyl sulfide and their derivative, analogue and homologue.
The kinematic viscosity of above-described base oil is according to GB/T265 test method measuring, and the kinematic viscosity at 40 DEG C is preferably 2mm
2/ s ~ 2000mm
2/ s, and preferred 20mm
2/ s ~ 1000mm
2/ s.
According to Ashless type air compressor oil recombiner provided by the invention, with the gross weight of air compressor oil recombiner for benchmark, the content of component A sulfocompound is 60 ~ 80 % by weight, preferably 65 ~ 75 % by weight; The content of B component phenolic antioxidant is 10 ~ 30 % by weight, preferably 15 ~ 20 % by weight; The content of component C metal passivator is 3 ~ 10 % by weight, preferably 5 ~ 8 % by weight; The content of D component emulsion splitter is 0.1 ~ 0.8 % by weight, preferably 0.2 ~ 0.4 % by weight; The content of component E kilfoam is 0.1 ~ 1 % by weight, preferably 0.3 ~ 0.6 % by weight, and all the other are F component base oil, and all components sum is 100 % by weight.
The preparation method of Ashless type air compressor oil recombiner of the present invention comprises: joined successively by required each binder component in proportion in the container of band stirring, be stirred to homogeneous transparent in 20-60 DEG C.
The present invention also provides a kind of air compressor oil composition, it comprises base oil and Ashless type air compressor oil recombiner of the present invention, described Ashless type air compressor oil recombiner accounts for 0.8 % by weight to 3 % by weight of described air compressor oil composition, and preferably 1.2 % by weight to 1.8 % by weight.
Further illustrate the present invention for embodiment below, but these embodiments are only illustrative, the present invention is not limited to these embodiments.
Embodiment
Embodiment 1
Get 70 weight part sulphur compound methylene-bis Keywords dibutyl dithiocarbamate Vanlube7723 (R.T.VanderbiltCompany, Inc. lower same), 16 weight part phenolic antioxidant L135 (BasfChemicalCompany, lower same), 6.7 weight parts are as 124 Triazole analog derivative T551 (Jinzhou Kangtai Lube Additive Co., Ltd. of metal passivator, lower same), methyl-silicone oil T901 (Jinzhou Kangtai Lube Additive Co., Ltd. as kilfoam of 0.3 weight part, lower same), 0.2 weight part is as the propylene oxide/epoxyethane block copolymer Lubrizol5957 (LubrizolCorporation of emulsion splitter, lower same), 6.8 weight part PAO6 base oil (INEOSGroup, lower same) join in mediation still, 50 DEG C are started and are stirred to mixture and all dissolve, homogeneous transparent, obtain Ashless type strong anti-oxidation air compressor oil recombiner I.Comparative example 1
Except changing into except 6.7 parts of base oil PAO6 by part 124 Triazole analog derivative T551 of 6.7 in embodiment 1, by the method identical with embodiment 1, prepare Ashless type strong anti-oxidation air compressor oil recombiner II.
Comparative example 2
Except 16 weight part phenolic antioxidant L135 in embodiment 1 being changed into 16 parts by weight of base oil PAO6, by the method identical with embodiment 1, prepare Ashless type strong anti-oxidation air compressor oil recombiner III.
Embodiment 2
Get 60 weight part sulphur compound methylene-bis Keywords dibutyl dithiocarbamate Vanlube7723,28 weight part phenolic antioxidant L135,6 weight parts are as the 124 Triazole analog derivative T551 of metal passivator, the methyl-silicone oil T901 as kilfoam of 0.2 weight part, 0.5 weight part join be in harmonious proportion in still as the propylene oxide/epoxyethane block copolymer Lubrizol5957 of emulsion splitter, 5.3 weight part PAO6 base oils, 50 DEG C are started and are stirred to mixture and all dissolve, homogeneous transparent, obtains Ashless type strong anti-oxidation air compressor oil recombiner IV.
Embodiment 3
Get 75 weight part sulphur compounds without ash content phosphorodithioate Vanlube7611M (R.T.VanderbiltCompany, Inc.), 15 weight parts 2, 6-di-t-butyl-p-cresol VanlubePCX (R.T.VanderbiltCompany, Inc.), 6.7 weight parts are as thiadiazole derivative T561 (Jinzhou Kangtai Lube Additive Co., Ltd. of metal passivator, lower same), the methyl-silicone oil T901 as kilfoam of 0.3 weight part, 0.2 weight part is as the propylene oxide/epoxyethane block copolymer Lubrizol5957 of emulsion splitter, 2.8 weight part Priolube3970 base oil (CrodaChemicalcompany, Inc, lower same) join in mediation still, 50 DEG C are started and are stirred to mixture and all dissolve, homogeneous transparent, obtain Ashless type strong anti-oxidation air compressor oil recombiner V.
With air compressor oil composition gross weight for benchmark, by Ashless type strong anti-oxidation air compressor oil recombiner I, II and III that present method obtains, addition according to 1.5 % by weight joins II class base oil 150N (SKLubricantsCO., LTD) in, obtain air compressor oil composition I, II and III respectively, result verification is in table 1 after tested.
Table 1 air compressor oil composition I, II and III performance test data
Can be seen by table 1 data, air compressor oil prepared by recombiner of the present invention has good oxidation stability and anti-bubble demulsification performance, air compressor oil composition I has longer rotary oxygen bomb time and better oxidation stability than II and III, shows to have better Synergistic antioxidation between component A sulfocompound, B component phenolic antioxidant and component C metal passivator three.
With air compressor oil composition gross weight for benchmark, by Ashless type strong anti-oxidation air compressor oil recombiner I, II and III that present method obtains, addition according to 1.3 % by weight joins in polyalphaolefin base, obtain air compressor oil composition IV, V and VI respectively, polyalphaolefin used is PAO10 (ExxonMobilChemical, lower same), its test result is in table 2
Table 2 air compressor oil composition IV, V and VI performance test data
Can be drawn by table 2 data, relative to mineral oil, recombiner I shows more excellent oxidation stability in synthetic oil PAO oil, the rotary oxygen bomb time of prepared air compressor oil composition IV reaches more than 2000min, illustrates that Synergistic antioxidation between component A sulfocompound, B component phenolic antioxidant and component C metal passivator three and oxidisability obtain good performance in synthetic oil.
With air compressor oil composition gross weight for benchmark, by Ashless type strong anti-oxidation air compressor oil recombiner IV and V obtained in present method, addition according to 1.3 % by weight joins in polyalphaolefin base, obtain air compressor oil composition VII and VIII respectively, polyalphaolefin used is PAO10.Its test result is in table 3.
Table 3 air compressor oil composition VII and VIII performance test data
Can be seen by table 3 data, synthesis type air compressor oil composition prepared by recombiner IV and V comprising component A, B component and component C has good oxidation stability and anti-bubble demulsification performance equally, show that Ashless type Strong oxdiative air compressor oil recombiner of the present invention has wider range of application, be extremely beneficial to and promote in the industry.
Claims (7)
1. an Ashless type air compressor oil recombiner, it comprises following component:
A, at least one sulfocompound;
B, at least one phenolic antioxidant;
C, at least one metal passivator;
D, at least one emulsion splitter;
E, at least one kilfoam; With
F, at least one base oil,
With the gross weight of Ashless type air compressor oil recombiner for benchmark, the content of component A sulfocompound is 65 ~ 75 % by weight; The content of B component phenolic antioxidant is 15 ~ 20 % by weight; The content of component C metal passivator is 5 ~ 8 % by weight; The content of D component emulsion splitter is 0.2 ~ 0.4 % by weight; The content of component E kilfoam is 0.3 ~ 0.6 % by weight, and all the other are F component base oil, and all components sum is 100 % by weight,
Described sulfocompound is thiocarbamates compound or thiophosphatephosphorothioate compounds, or their any mixture,
Described phenolic antioxidant is be selected from least one in the group of following material composition: 2-tert-butyl phenol, 2, 4-di-tert-butylphenol, 2, 6-ditertbutylparacresol, 2, 6-di-t-butyl-4-alkylphenol, 2, 6-di-t-butyl-4-alkoxyl group phenol, 4, 4 '-butylidene-bis(3-methyl-6-t-butyl phenol), two (3, 5-di-tert-butyl-4-hydroxyl benzyl) thioether, 3, 5-di-tert-butyl-4-hydroxyl benzyl sulfydryl-octyl group acetic ester, alkyl-3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic ester, 2, 2 '-sulfo--[diethyl-3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic ester] and 4, 4 '-thiobis (3 methy 6 tert butyl phenol).
2. Ashless type air compressor oil recombiner according to claim 1, wherein, described metal passivator is be selected from least one in the group of following material composition: benzotriazole or derivatives thereof, alkyl triazole or derivatives thereof, benzothiazole or derivatives thereof, thiadiazoles or derivatives thereof, benzoglyoxaline or derivatives thereof, and indazole or derivatives thereof.
3. Ashless type air compressor oil recombiner according to claim 1 and 2, wherein, described emulsion splitter is condenses, the sulfonate type emulsion splitter of polyoxy alkylidene ether, polyoxyalkylene fatty acid esters, amine and epoxy compounds, or their any mixture.
4. Ashless type air compressor oil recombiner according to claim 1 and 2, wherein, described kilfoam is siloxanes, organosilicon acid esters, polyalkyl acrylate, tensio-active agent, or their any mixture.
5. Ashless type air compressor oil recombiner according to claim 1 and 2, wherein, described base oil is selected from least one of mineral oil, poly-alpha olefins, ethers oil, Esters oil or silicone oil.
6. an air compressor oil composition, it comprises base oil and the Ashless type air compressor oil recombiner according to any one of claim 1-5, and described Ashless type air compressor oil recombiner accounts for 1.2 % by weight to 1.8 % by weight of described air compressor oil composition.
7. a preparation method for the Ashless type air compressor oil recombiner according to any one of claim 1-5, it comprises required each component mixing, at 20-60 DEG C, be stirred to homogeneous transparent.
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| CN107033999A (en) * | 2017-05-12 | 2017-08-11 | 广西大学 | A kind of compound compressor oil composition of high humility natural gas |
| 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 |
| CN109054962A (en) * | 2018-10-18 | 2018-12-21 | 江西欧派斯润滑科技有限公司 | A kind of L-DAH46 rotary air compressor oil |
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| RU2294355C1 (en) * | 2005-09-15 | 2007-02-27 | Евгений Евгеньевич Довгополый | Compressor oil |
| CN101397521A (en) * | 2007-09-28 | 2009-04-01 | 中国石油化工股份有限公司 | Compressor oil composition |
| CN103194303A (en) * | 2013-04-19 | 2013-07-10 | 上海禾泰特种润滑技术有限公司 | Air compressor oil composition and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2294355C1 (en) * | 2005-09-15 | 2007-02-27 | Евгений Евгеньевич Довгополый | Compressor oil |
| CN101397521A (en) * | 2007-09-28 | 2009-04-01 | 中国石油化工股份有限公司 | Compressor oil composition |
| CN103194303A (en) * | 2013-04-19 | 2013-07-10 | 上海禾泰特种润滑技术有限公司 | Air compressor oil composition and preparation method thereof |
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