CN114989878A - Gear lubricating oil composition and preparation method thereof - Google Patents
Gear lubricating oil composition and preparation method thereof Download PDFInfo
- Publication number
- CN114989878A CN114989878A CN202210461637.5A CN202210461637A CN114989878A CN 114989878 A CN114989878 A CN 114989878A CN 202210461637 A CN202210461637 A CN 202210461637A CN 114989878 A CN114989878 A CN 114989878A
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- lubricating oil
- gear lubricating
- oil composition
- antioxidant
- gear
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 59
- 239000000203 mixture Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 30
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- 239000010696 ester oil Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 11
- WJUMWVJBOZKPPU-UHFFFAOYSA-N 2,3-bis(6-methylheptyl)-N-phenylaniline Chemical compound C(CCCCC(C)C)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCC(C)C WJUMWVJBOZKPPU-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000006078 metal deactivator Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- -1 pentaerythritol ester Chemical class 0.000 claims description 5
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical group CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 4
- 239000005725 8-Hydroxyquinoline Substances 0.000 claims description 3
- 239000007866 anti-wear additive Substances 0.000 claims description 3
- 229960003540 oxyquinoline Drugs 0.000 claims description 3
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical group C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- 239000002199 base oil Substances 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 3
- 238000002161 passivation Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 2
- HHKVOYUYPYZFHJ-SOFGYWHQSA-N (e)-3-(3,4-dihydroxyphenyl)-1-phenylprop-2-en-1-one Chemical compound C1=C(O)C(O)=CC=C1\C=C\C(=O)C1=CC=CC=C1 HHKVOYUYPYZFHJ-SOFGYWHQSA-N 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- BVXOPEOQUQWRHQ-UHFFFAOYSA-N dibutyl phosphite Chemical compound CCCCOP([O-])OCCCC BVXOPEOQUQWRHQ-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000010689 synthetic lubricating oil Substances 0.000 description 1
Images
Classifications
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy 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
- 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
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
Landscapes
- 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 belongs to the field of petrochemical industry, and particularly relates to a gear lubricating oil composition and a preparation method thereof. The gear lubricating oil composition provided by the invention comprises the following components in percentage by mass: 85-97% of ester oil; 1-5% of an antioxidant; 0.05-1% of metal passivator; 1-10% of an extreme pressure antiwear agent; the antioxidant comprises diisooctyl diphenylamine and an antioxidant L06. The invention takes ester oil as base oil, and obtains the gear lubricating oil composition with high performance by adding various additives such as antioxidant, metal passivation, extrusion wear resistance and the like. The gear lubricating oil composition provided by the invention has excellent corrosion and wear resistance, can effectively solve the problem of shortened service life of gears caused by corrosion and wear, and has wide market prospect.
Description
Technical Field
The invention belongs to the field of petrochemical industry, and particularly relates to a gear lubricating oil composition and a preparation method thereof.
Background
The gear lubricating oil mainly plays a role in lubricating gears and bearings, preventing abrasion and corrosion, helping the gears to dissipate heat and the like, and is different from engine oil in use conditions, self components and use performance. At present, relatively common gear lubricating oil is ester synthetic lubricating oil, and when the gear lubricating oil is used for gear lubrication, the problem of corrosion and abrasion can easily occur, so that the surface of a gear is abraded, and the service life of the gear is greatly shortened.
Disclosure of Invention
In view of the above, the present invention provides a gear lubricating oil composition and a preparation method thereof, and the gear lubricating oil composition provided by the present invention has excellent anti-corrosive wear performance and can effectively solve the problem of shortened gear life caused by corrosive wear.
The invention provides a gear lubricating oil composition, which comprises the following components in percentage by mass:
the antioxidant comprises diisooctyl diphenylamine and an antioxidant L06.
Preferably, the mass ratio of the diisooctyl diphenylamine to the antioxidant L06 is 1: (0.2 to 1).
Preferably, the content of the antioxidant in the composition is 1-2 wt%.
Preferably, the metal deactivator is 8-hydroxyquinoline.
Preferably, the content of the metal passivator in the composition is 0.05-0.2 wt%.
Preferably, the extreme pressure antiwear agent is tricresyl phosphate.
Preferably, the content of the extreme pressure antiwear agent in the composition is 1-7 wt%.
Preferably, the ester oil is pentaerythritol ester.
Preferably, the viscosity of the ester oil at 100 ℃ is 3.5-35 mm 2 /s。
The invention provides a preparation method of the gear lubricating oil composition in the technical scheme, which comprises the following steps:
and mixing the ester oil, the antioxidant, the metal passivator and the extreme pressure antiwear additive to obtain the gear lubricating oil composition.
Compared with the prior art, the invention provides a gear lubricating oil composition and a preparation method thereof.
The invention provides a gear lubricating oil composition, which comprises the following components in percentage by mass: 85-97% of ester oil; 1-5% of an antioxidant; 0.05-1% of metal passivator; 1-10% of an extreme pressure antiwear agent; the antioxidant comprises diisooctyl diphenylamine and an antioxidant L06. The invention takes ester oil as base oil, and obtains the gear lubricating oil composition with high performance by adding various additives such as antioxidant, metal passivation, extrusion wear resistance and the like. The gear lubricating oil composition provided by the invention has excellent corrosion and wear resistance, can effectively solve the problem of shortened service life of gears caused by corrosion and wear, and has wide market prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an SEM image of a steel ball corresponding to gear lubricant of example 1 provided by the invention;
FIG. 2 is an SEM image of a steel ball corresponding to the gear lubricating oil of comparative example 1;
FIG. 3 is an SEM image of a steel ball corresponding to the gear lubricating oil of comparative example 2 provided by the invention.
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 invention provides a gear lubricating oil composition, which comprises the following components in percentage by mass:
in the gear lubricating oil composition provided by the invention, the ester oil is preferably pentaerythritol ester; the viscosity of the ester oil at 100 ℃ is preferably 3.5-35 mm 2 (ii) s, more preferably 3 to 20mm 2 S, most preferably 5 to 9mm 2 S, most preferably 7mm 2 /s。
In the gear lubricating oil composition provided by the invention, the content of the ester oil in the composition is specifically 85 wt%, 86 wt%, 87 wt%, 88 wt%, 89 wt%, 90 wt%, 91 wt%, 92 wt%, 92.4 wt%, 93 wt%, 94 wt%, 95 wt%, 96 wt% or 97 wt%, and most preferably 92.4 wt%. In one embodiment provided by the present invention, the ester oil is present in the composition in the balance.
In the gear lubricating oil composition provided by the invention, the antioxidant comprises diisooctyl diphenylamine and an antioxidant L06, wherein the antioxidant L06 is provided by BASF; the mass ratio of the diisooctyl diphenylamine to the antioxidant L06 is preferably 1: (0.2-1), specifically 1:0.2, 1:0.3, 1:0.4, 1:0.5, 1:0.6, 1:0.7, 1:0.8, 1:0.9 or 1:1, most preferably 1: 0.5.
In the gear lubricating oil composition provided by the invention, the content of the antioxidant in the composition is preferably 1-2 wt%, specifically 1 wt%, 1.1 wt%, 1.2 wt%, 1.3 wt%, 1.4 wt%, 1.5 wt%, 1.6 wt%, 1.7 wt%, 1.8 wt%, 1.9 wt% or 2 wt%, and most preferably 1.5 wt%. Wherein the content of the diisooctyldiphenylamine in the composition is preferably 0.5-1.5 wt%, specifically 0.5 wt%, 0.6 wt%, 0.7 wt%, 0.8 wt%, 0.9 wt%, 1 wt%, 1.1 wt%, 1.2 wt%, 1.3 wt%, 1.4 wt% or 1.5 wt%, and most preferably 1 wt%; the content of the antioxidant L06 in the composition is preferably 0.2-1 wt%, and specifically can be 0.2 wt%, 0.3 wt%, 0.4 wt%, 0.5 wt%, 0.6 wt%, 0.7 wt%, 0.8 wt%, 0.9 wt% or 1 wt%, and most preferably 0.5 wt%.
In the gear lubricating oil composition provided by the invention, the metal deactivator is preferably 8-hydroxyquinoline.
In the gear lubricating oil composition provided by the invention, the content of the metal deactivator in the composition is preferably 0.05-0.2 wt%, specifically 0.05 wt%, 0.06 wt%, 0.07 wt%, 0.08 wt%, 0.09 wt%, 0.1 wt%, 0.11 wt%, 0.12 wt%, 0.13 wt%, 0.14 wt%, 0.15 wt%, 0.16 wt%, 0.17 wt%, 0.18 wt%, 0.19 wt% or 0.2 wt%, and most preferably 0.1 wt%.
In the gear lubricating oil composition provided by the invention, the extreme pressure antiwear agent is preferably tricresyl phosphate (TCP).
In the gear lubricating oil composition provided by the invention, the content of the extreme pressure antiwear agent in the composition is preferably 1-7 wt%, more preferably 4-7 wt%, and specifically can be 4 wt%, 4.5 wt%, 5 wt%, 5.5 wt%, 6 wt%, 6.5 wt% or 7 wt%, and most preferably 6 wt%.
The invention also provides a preparation method of the gear lubricating oil composition in the technical scheme, which comprises the following steps:
and mixing the ester oil, the antioxidant, the metal passivator and the extreme pressure antiwear additive to obtain the gear lubricating oil composition.
In the preparation method provided by the invention, the mixing is preferably carried out under stirring conditions; the mixing temperature is preferably 80-120 ℃, and more preferably 100 ℃; the mixing time is preferably 5-60 min, and more preferably 15 min.
According to the technical scheme provided by the invention, the high-performance gear lubricating oil composition is obtained by taking the ester oil as the base oil and adding various additives such as antioxidant, metal passivation, extrusion antiwear property and the like. Specifically, the gear lubricating oil composition provided by the invention has excellent thermal oxidation stability, and can prevent the lubricating oil from deteriorating at high temperature; the high-temperature coking resistance is excellent, and the working safety of the high-temperature gear can be enhanced; the heat conduction performance is excellent, and the running temperature of the gear can be reduced; the high-temperature and low-temperature performance is excellent, and the normal operation of the system in a wide temperature range can be ensured; the material adaptability is good, and leakage in the use of the system can be avoided; has good lubricating property, can protect gears and reduce abrasion. In conclusion, the gear lubricating oil composition provided by the invention has excellent anti-corrosive wear performance, can effectively solve the problem of shortened service life of gears caused by corrosive wear, and has wide market prospect.
For the sake of clarity, the following examples and comparative examples are given in detail below.
In the following examples and comparative examples of the present invention, pentaerythritol esters having a viscosity of 7mm at 100 ℃ were used 2 /s。
Example 1
1) Designing components:
2) preparation of gear lubricating oil:
the components in the table are mixed according to the content ratio, the temperature is raised to 100 ℃, and the stirring is carried out for 15 minutes, thus obtaining the gear lubricating oil.
Comparative example 1
1) Designing components:
| components | Content (wt.) | Use of |
| Pentaerythritol ester | 93.4wt％ | Base oil |
| Diisooctyl diphenylamine | 1.0wt％ | Antioxidant agent |
| N-phenyl alpha naphthylamine | 0.5wt％ | Antioxidant agent |
| 1, 4-dihydroxyanthraquinones | 0.1wt％ | Metal passivator |
| Dibutyl phosphite | 5.0wt％ | Extrusion antiwear agent |
2) Preparation of gear lubricating oil:
the components in the table are mixed according to the content ratio, the temperature is raised to 100 ℃, and the stirring is carried out for 15 minutes, thus obtaining the gear lubricating oil.
Comparative example 2
1) Designing components:
| components | Content (c) of | Use of |
| Pentaerythritol ester | 96.4wt％ | Base oil |
| N-phenyl alpha naphthylamine | 1.0wt％ | Antioxidant agent |
| Antioxidant L101(BASF) | 0.5wt％ | Antioxidant agent |
| Metal deactivator L39(BASF) | 0.1wt％ | Metal passivator |
| Trixylenyl phosphate (TXP) | 2.0wt％ | Extrusion antiwear agent |
2) Preparation of gear lubricating oil:
the components in the table are mixed according to the content ratio, the temperature is raised to 100 ℃, and the stirring is carried out for 15 minutes, thus obtaining the gear lubricating oil.
Evaluation of Effect
The gear lubricating oil prepared in example 1 and comparative examples 1-2 was subjected to effect evaluation by the following evaluation method: the wear resistance of NB/SH/T0189 lubricating oil is measured (four-ball method) at 100 ℃ for 60min at 40 kg.
Scanning Electron Microscope (SEM) detection is carried out on the steel balls after the test, and the appearance of grinding spots is observed, and the results are shown in figures 1-3, wherein figure 1 is a SEM image of the steel balls corresponding to the gear lubricating oil of example 1 provided by the invention, figure 2 is a SEM image of the steel balls corresponding to the gear lubricating oil of comparative example 1 provided by the invention, and figure 3 is a SEM image of the steel balls corresponding to the gear lubricating oil of comparative example 2 provided by the invention.
As is apparent from FIGS. 1 to 3, the corrosion pits do not exist in FIG. 1, and the corrosion pits are more obvious in FIGS. 2 to 3, which shows that the gear lubricating oil provided by the embodiment of the invention has good corrosion and wear resistance, and can effectively solve the problem of shortened service life of the gear caused by corrosion and wear.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (10)
1. The gear lubricating oil composition comprises the following components in percentage by mass:
the antioxidant comprises diisooctyl diphenylamine and an antioxidant L06.
2. The gear lubricating oil composition according to claim 1, wherein the mass ratio of diisooctyldiphenylamine to antioxidant L06 is 1: (0.2 to 1).
3. The gear lubricating oil composition according to claim 1, wherein the antioxidant is contained in the composition in an amount of 1 to 2 wt%.
4. The gear lubricating oil composition of claim 1, wherein the metal deactivator is 8-hydroxyquinoline.
5. The gear lubricating oil composition according to claim 1, wherein the metal deactivator is present in an amount of 0.05 to 0.2 wt.% in the composition.
6. The gear lubricating oil composition of claim 1, wherein the extreme pressure antiwear agent is tricresyl phosphate.
7. The gear lubricating oil composition of claim 1, wherein the extreme pressure antiwear agent is present in the composition in an amount of 1 to 7 wt.%.
8. The gear lubricating oil composition of claim 1, wherein the ester oil is a pentaerythritol ester.
9. The gear lubricating oil composition according to claim 1, wherein the ester oil has a viscosity of 3.5 to 35mm at 100 ℃ 2 /s。
10. A method of preparing the gear lubricating oil composition of any one of claims 1 to 9, comprising the steps of:
and mixing the ester oil, the antioxidant, the metal passivator and the extreme pressure antiwear additive to obtain the gear lubricating oil composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210461637.5A CN114989878A (en) | 2022-04-28 | 2022-04-28 | Gear lubricating oil composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210461637.5A CN114989878A (en) | 2022-04-28 | 2022-04-28 | Gear lubricating oil composition and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114989878A true CN114989878A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210461637.5A Pending CN114989878A (en) | 2022-04-28 | 2022-04-28 | Gear lubricating oil composition and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463278A (en) * | 1975-06-25 | 1977-02-02 | Texaco Development Corp | Synthetic aircraft turbine oil |
| JPS5736192A (en) * | 1980-08-13 | 1982-02-26 | Nippon Oil Co Ltd | Metal inactivator and its composition |
| CN103497819A (en) * | 2013-10-16 | 2014-01-08 | 中国石油化工股份有限公司 | Lubricating oil composition for high-speed pump gear and preparation method for lubricating oil composition |
| CN105154194A (en) * | 2015-10-21 | 2015-12-16 | 中国石油化工股份有限公司 | Food-grade lubricating oil composition |
| CN105255560A (en) * | 2015-10-16 | 2016-01-20 | 中国石油化工股份有限公司 | Lubricating oil |
-
2022
- 2022-04-28 CN CN202210461637.5A patent/CN114989878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463278A (en) * | 1975-06-25 | 1977-02-02 | Texaco Development Corp | Synthetic aircraft turbine oil |
| JPS5736192A (en) * | 1980-08-13 | 1982-02-26 | Nippon Oil Co Ltd | Metal inactivator and its composition |
| CN103497819A (en) * | 2013-10-16 | 2014-01-08 | 中国石油化工股份有限公司 | Lubricating oil composition for high-speed pump gear and preparation method for lubricating oil composition |
| CN105255560A (en) * | 2015-10-16 | 2016-01-20 | 中国石油化工股份有限公司 | Lubricating oil |
| CN105154194A (en) * | 2015-10-21 | 2015-12-16 | 中国石油化工股份有限公司 | Food-grade lubricating oil composition |
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Application publication date: 20220902 |