CN112646649A - Low-temperature-resistant long-life hydraulic transmission oil composition and preparation method and application thereof - Google Patents
Low-temperature-resistant long-life hydraulic transmission oil composition and preparation method and application thereof Download PDFInfo
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- CN112646649A CN112646649A CN201910959270.8A CN201910959270A CN112646649A CN 112646649 A CN112646649 A CN 112646649A CN 201910959270 A CN201910959270 A CN 201910959270A CN 112646649 A CN112646649 A CN 112646649A
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- hydraulic transmission
- base oil
- oil composition
- transmission oil
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- 239000000203 mixture Substances 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000003921 oil Substances 0.000 claims abstract description 59
- 239000002199 base oil Substances 0.000 claims abstract description 53
- 229920013639 polyalphaolefin Polymers 0.000 claims abstract description 13
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 10
- 239000008139 complexing agent Substances 0.000 claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 8
- 239000011707 mineral Substances 0.000 claims abstract description 8
- 229920000193 polymethacrylate Polymers 0.000 claims description 8
- 239000013538 functional additive Substances 0.000 claims description 7
- 239000002480 mineral oil Substances 0.000 claims description 5
- 101100407037 Oryza sativa subsp. japonica PAO6 gene Proteins 0.000 claims description 4
- 101100407030 Arabidopsis thaliana PAO2 gene Proteins 0.000 claims description 3
- 101150092791 PAO4 gene Proteins 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- VMZVBRIIHDRYGK-UHFFFAOYSA-N 2,6-ditert-butyl-4-[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VMZVBRIIHDRYGK-UHFFFAOYSA-N 0.000 claims description 2
- UUNBFTCKFYBASS-UHFFFAOYSA-N C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC Chemical compound C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC UUNBFTCKFYBASS-UHFFFAOYSA-N 0.000 claims description 2
- 229920002367 Polyisobutene Polymers 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- -1 alkyl naphthalene Chemical compound 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 2
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 9
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 6
- 238000013329 compounding Methods 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/06—Well-defined aromatic 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
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/106—Naphthenic fractions
- C10M2203/1065—Naphthenic fractions used as base material
-
- 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
- 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
- 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
- C10M2215/062—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups bound to the aromatic ring
-
- 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
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 relates to the technical field of lubricating oil, in particular to a low-temperature-resistant long-life hydraulic transmission oil composition, and a preparation method and application thereof. The invention provides a low-temperature-resistant long-life hydraulic transmission oil composition, which comprises base oil, a complexing agent, a viscosity index improver, a pour point depressant, an antioxidant and an anti-foaming agent; the base oil includes polyalphaolefin base oil, naphthenic base oil and mineral base oil. The hydraulic transmission oil composition has excellent low-temperature performance, viscosity-temperature performance and oxidation resistance; the preparation method is simple, has the advantages of wide application range and the like, can be suitable for various hydraulic transmission equipment, and is used for severe working conditions with great environmental temperature difference change.
Description
Technical Field
The invention relates to the technical field of lubricating oil, in particular to a low-temperature-resistant long-life hydraulic transmission oil composition, and a preparation method and application thereof.
Background
The hydraulic transmission is transmission for transmitting power by means of kinetic energy of liquid, and is actually an energy conversion device using liquid as a working medium, and the energy conversion device has two forms of a coupler and a torque converter. The oil used as a hydraulic transmission medium, called hydraulic transmission oil, can be widely used for hydraulic torque converters and hydraulic couplers of industrial machinery, agricultural machinery and other equipment.
In recent years, hydraulic transmission technology at home and abroad has breakthrough progress in many aspects, and the novel hydraulic torque converter shows outstanding advantages in the application of large-scale wind driven generators. Under the condition that the performance requirements of common hydraulic couplers such as fans, pumps and the like are not changed, the hydraulic couplers are more compact in structure, smaller in size and lighter in weight, and therefore the hydraulic couplers have higher performance requirements on hydraulic transmission oil. In addition, the working condition of mechanical equipment in extremely cold regions puts severe requirements on the low-temperature performance and the service life of hydraulic transmission oil. Therefore, it is of great importance to develop hydraulic transmission oil having excellent low-temperature performance, viscosity-temperature performance and oxidation resistance.
Disclosure of Invention
In order to solve the technical problems in the prior art, the present invention aims to provide a hydraulic transmission oil composition having excellent low temperature performance, viscosity temperature performance and oxidation resistance.
In order to achieve the purpose, the technical scheme of the invention is as follows:
in order to improve the low-temperature performance, viscosity-temperature performance, oxidation resistance and other performances of the hydraulic transmission oil composition, the prior art mostly needs to add a large amount of or high-cost functional additives, but the excellent low-temperature performance and viscosity-temperature performance cannot be obtained, so that the use of the hydraulic transmission oil in a low-temperature environment is limited. The invention skillfully solves the problems by a specific compounding mode of the base oil. According to the invention, through a large amount of research and development and practice, the base oil formed by compounding the poly-alpha-olefin base oil, the naphthenic base oil and the mineral base oil is matched with a small amount of functional additives, so that the hydraulic transmission oil composition with excellent low-temperature performance and viscosity-temperature performance can be obtained, and meanwhile, the excellent oxidation resistance and extreme pressure wear resistance can be ensured.
Specifically, the technical scheme of the invention is as follows:
the invention provides a low-temperature-resistant long-life hydraulic transmission oil composition, which comprises base oil and a functional additive; the base oil includes polyalphaolefin base oil, naphthenic base oil and mineral base oil.
The invention further discovers that the reasonable control of the addition amount of the naphthenic base oil is more beneficial to improving the viscosity-temperature performance and the flash point performance of the hydraulic transmission oil composition.
Preferably, in the base oil, the content of the naphthenic base oil is 5-25% by mass. More preferably 5 to 20%.
Further, the low temperature resistance and viscosity temperature performance of the hydraulic transmission oil composition can be better ensured by selecting the naphthenic base oil and the polyalphaolefin base oil with low pour points.
Preferably, the polyalphaolefin base oil is one or a mixture of more of low pour point polyalphaolefin synthetic oils. More preferably a mixture of one or more selected from the group consisting of PAO2, PAO4 and PAO6 base oils.
Preferably, the naphthenic base oil is a low pour point naphthenic base oil with a pour point of no more than-50 ℃. More preferably one or a mixture of two selected from NS 3 and MAC 4005.
When NS 3 and MAC 4005 are selected as the naphthenic base oil, the content of the naphthenic base oil is preferably controlled to be 8-20% by mass; meanwhile, the mass ratio of the naphthenic base oil to the polyalphaolefin base oil is controlled to be (0.1-0.5): 1, the low temperature resistance, the viscosity temperature performance and the oxidation resistance of the hydraulic transmission oil composition can be ensured more favorably.
Preferably, the mineral base oil is a hydrorefined API group II base oil. More preferably one or a mixture of two selected from mineral oils II 2, II + 4.
The invention discovers that better hydraulic transmission oil composition performance can be obtained by compounding specific products in naphthenic base oil and poly-alpha olefin base oil with low pour point with specific products in mineral base oil, such as PAO6, NS 3 and mineral oil II 2; or PAO4, MAC 4005 and mineral oil II + 4; or PAO2, PAO6, MAC 4005 and mineral oil II + 4.
In the invention, the functional additive comprises one or more selected from a complexing agent, a viscosity index improver, a pour point depressant, an antioxidant and an antifoaming agent;
preferably, the hydraulic transmission oil composition comprises the following components in parts by weight:
more preferably, the hydraulic transmission oil composition comprises the following components in parts by weight:
as a preferred embodiment of the present invention, the hydraulic transmission oil composition comprises the following components in parts by weight:
as another preferred embodiment of the present invention, the hydraulic transmission oil composition comprises the following components in parts by weight:
as another preferred embodiment of the present invention, the hydraulic transmission oil composition comprises the following components in parts by weight:
in the hydraulic transmission oil composition, the complexing agent is a zinc-containing anti-wear hydraulic oil complexing agent; preferably Lz 5703.
The viscosity index improver is one or a mixture of more of polymethacrylate, ethylene propylene copolymer and polyisobutylene. Preferably polymethacrylates.
The pour point depressant is one or a mixture of two selected from polymethacrylate and alkyl naphthalene.
The antioxidant is one or more of phenolic antioxidant and amine antioxidant. Preferably one or more of dioctyl diphenylamine, styrenated diphenylamine and 2, 6-di-tert-butyl-dimethylamino-p-cresol.
The anti-foaming agent is a composite anti-foaming agent. The #1 composite antifoaming agent is preferred.
As a preferable aspect of the present invention, the hydraulic transmission oil composition includes the following components in parts by weight, based on 100 parts by weight in total:
in the formula, the polymethacrylate is used as a viscosity index improver and a pour point depressant.
As a preferable aspect of the present invention, the hydraulic transmission oil composition includes the following components in parts by weight, based on 100 parts by weight in total:
as a preferable aspect of the present invention, the hydraulic transmission oil composition includes the following components in parts by weight, based on 100 parts by weight in total:
in the formula, the polymethacrylate is used as a viscosity index improver and a pour point depressant.
The hydraulic transmission oil composition described above may be prepared by a method conventional in the art, for example: the components are mixed evenly according to the proportion.
The invention also provides a preparation method of the hydraulic transmission oil composition, which comprises the following steps: mixing base oil, a complexing agent, a viscosity index improver, a pour point depressant, an antioxidant and an antifoaming agent according to a mass ratio.
The invention also provides the application of the hydraulic transmission oil composition in a mechanical hydraulic torque converter or a coupler.
The invention has the beneficial effects that: the hydraulic transmission oil composition provided by the invention has the following advantages: according to the invention, the polyalphaolefin base oil, the naphthenic base oil and the mineral base oil are compounded, so that the low-temperature performance, the viscosity-temperature performance and the oxidation resistance of the hydraulic transmission oil composition are improved; functional additives such as a complexing agent, a viscosity index improver, a pour point depressant, an antioxidant, an anti-foaming agent and the like are further added to obtain the hydraulic transmission oil composition with excellent low-temperature performance, viscosity-temperature performance and oxidation resistance; the hydraulic transmission oil composition also has the advantages of simple preparation method, wide application range and the like, is suitable for various hydraulic transmission equipment, and is used for severe working conditions with great environmental temperature difference change.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the following examples. It is to be understood that the following examples are given for illustrative purposes only and are not intended to limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art without departing from the spirit and scope of this invention.
The experimental procedures used in the following examples are all conventional procedures unless otherwise specified.
Materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example 1
The embodiment provides a hydraulic transmission oil composition, which consists of the following components in percentage by mass:
the preparation method of the hydraulic transmission oil composition comprises the following steps: mixing the above components at a certain ratio.
Example 2
The embodiment provides a hydraulic transmission oil composition, which consists of the following components in percentage by mass:
the preparation method of the hydraulic transmission oil composition comprises the following steps: mixing the above components at a certain ratio.
Example 3
The embodiment provides a hydraulic transmission oil composition, which consists of the following components in percentage by mass:
the preparation method of the hydraulic transmission oil composition comprises the following steps: mixing the above components at a certain ratio.
Comparative example 1
The comparative example provides a hydraulic transmission oil composition, which comprises the following components in percentage by mass:
comparative example 2
The comparative example provides a hydraulic transmission oil composition, which comprises the following components in percentage by mass:
experimental example 1
The hydraulic transmission oil compositions of examples 1 to 3 and comparative examples 1 to 2 were subjected to various performance evaluations, and the results are shown in table 1, and the results show that the hydraulic transmission oil compositions of examples 1 to 3 have more excellent low-temperature performance, viscosity-temperature performance, and oxidation resistance than comparative examples 1 to 2, and are applicable to severe conditions with greatly-varying environmental temperature differences.
TABLE 1 analysis of the properties of the fluid-power transmission oil composition
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The hydraulic transmission oil composition with low temperature resistance and long service life is characterized by comprising base oil and functional additives; the base oil includes polyalphaolefin base oil, naphthenic base oil and mineral base oil.
2. The hydraulic transmission oil composition as defined in claim 1, wherein the content of the naphthenic base oil in the base oil is 5 to 25% by mass.
3. The hydraulic transmission oil composition as recited in claim 1 or 2, wherein the polyalphaolefin base stock is a mixture of one or more of low pour point polyalphaolefin synthetic oils;
preferably a mixture of one or more selected from PAO2, PAO4 and PAO6 base oils.
4. The hydraulic transmission oil composition as defined in any one of claims 1 to 3, wherein the cycloalkyl base oil is a low pour point cycloalkyl base oil having a pour point of not higher than-50 ℃;
preferably one or two of NS 3 and MAC 4005;
more preferably, the content of the naphthenic base oil is 8-20% by mass; the mass ratio of the naphthenic base oil to the poly-alpha-olefin base oil is (0.1-0.5): 1.
5. the hydraulic transmission oil composition as defined in any one of claims 1 to 4, wherein the mineral base oil is a hydrorefined APIII base oil;
preferably one or a mixture of two selected from mineral oils II 2, II + 4.
6. The hydraulic transmission oil composition as claimed in any one of claims 1 to 5, wherein the functional additive comprises one or more selected from a complexing agent, a viscosity index improver, a pour point depressant, an antioxidant and an anti-foaming agent;
preferably, the hydraulic transmission oil composition comprises the following components in parts by weight:
7. the hydraulic transmission oil composition as defined in any one of claims 1 to 6, comprising the following components in parts by weight:
8. the hydraulic transmission oil composition as claimed in any one of claims 1 to 7, wherein the complex agent is a zinc-containing anti-wear hydraulic oil complex agent; preferably Lz 5703;
and/or the viscosity index improver is one or a mixture of more of polymethacrylate, ethylene propylene copolymer and polyisobutylene; preferably polymethacrylates;
and/or the pour point depressant is one or a mixture of two selected from polymethacrylate and alkyl naphthalene;
and/or the antioxidant is one or a mixture of more of phenolic antioxidant and amine antioxidant; preferably one or more of dioctyl diphenylamine, styrenated diphenylamine and 2, 6-di-tert-butyl-dimethylamino-p-cresol;
and/or the antifoaming agent is a composite antifoaming agent.
9. The method for producing a hydraulic transmission oil composition according to any one of claims 1 to 8, comprising: mixing base oil, a complexing agent, a viscosity index improver, a pour point depressant, an antioxidant and an antifoaming agent according to a mass ratio.
10. Use of the hydraulic transmission oil composition according to any one of claims 1 to 8 in a mechanical torque converter or a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959270.8A CN112646649A (en) | 2019-10-10 | 2019-10-10 | Low-temperature-resistant long-life hydraulic transmission oil composition and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959270.8A CN112646649A (en) | 2019-10-10 | 2019-10-10 | Low-temperature-resistant long-life hydraulic transmission oil composition and preparation method and application thereof |
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| CN112646649A true CN112646649A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910959270.8A Pending CN112646649A (en) | 2019-10-10 | 2019-10-10 | Low-temperature-resistant long-life hydraulic transmission oil composition and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161097A (en) * | 2022-07-04 | 2022-10-11 | 珠海美合科技股份有限公司 | Preparation method of three-in-one bridge oil for electric automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757842A (en) * | 2011-04-29 | 2012-10-31 | 中国石油化工股份有限公司 | Ashless low-temperature hydraulic oil |
| CN103571589A (en) * | 2012-07-31 | 2014-02-12 | 中国石油化工股份有限公司 | Shock absorber oil composition |
| CN105969498A (en) * | 2016-05-31 | 2016-09-28 | 广东哈弗石油能源有限公司 | Environment-friendly energy-saving hydrodynamic drive oil composition |
-
2019
- 2019-10-10 CN CN201910959270.8A patent/CN112646649A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757842A (en) * | 2011-04-29 | 2012-10-31 | 中国石油化工股份有限公司 | Ashless low-temperature hydraulic oil |
| CN103571589A (en) * | 2012-07-31 | 2014-02-12 | 中国石油化工股份有限公司 | Shock absorber oil composition |
| CN105969498A (en) * | 2016-05-31 | 2016-09-28 | 广东哈弗石油能源有限公司 | Environment-friendly energy-saving hydrodynamic drive oil composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161097A (en) * | 2022-07-04 | 2022-10-11 | 珠海美合科技股份有限公司 | Preparation method of three-in-one bridge oil for electric automobile |
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Application publication date: 20210413 |