CN113493715B - Hydraulic oil additive composition - Google Patents
Hydraulic oil additive composition Download PDFInfo
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- CN113493715B CN113493715B CN202010266789.0A CN202010266789A CN113493715B CN 113493715 B CN113493715 B CN 113493715B CN 202010266789 A CN202010266789 A CN 202010266789A CN 113493715 B CN113493715 B CN 113493715B
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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
- C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
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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
- C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
-
- 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
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/086—Imides
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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
- 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
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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
- 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
- C10M2215/224—Imidazoles
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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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the 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
- 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
- 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
- C10M2223/045—Metal containing thio derivatives
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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
- 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
- C10M2223/047—Thioderivatives not containing metallic elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a hydraulic oil additive composition, which comprises the following components in percentage by mass: 20-30% of zinc dialkyl dithiophosphate, 10-20% of dithiophosphoric acid acrylate antiwear agent, 5-10% of thiazole phosphate ionic liquid, 15-20% of bisphenol antioxidant, 5-10% of antirust agent, 1-3% of amine tetrapolyoxypropylene derivative demulsifier, 1-5% of dispersant and the balance of diluent. The invention is characterized in that a thiazole phosphate ionic liquid compound system is adopted to provide effective anticorrosion and antiwear protection for metals, and the composition has stable and excellent performance by strictly screening an antiwear agent, an antioxidant, an antirust agent and the like, thereby meeting the operating condition requirements of the current high-pressure hydraulic oil system.
Description
Technical Field
The invention relates to a lubricating oil additive composition, in particular to a composition of a hydraulic oil additive.
Background
The hydraulic oil is a hydraulic medium used by a hydraulic system utilizing hydraulic pressure energy, plays roles of energy transfer, abrasion resistance, system lubrication, corrosion resistance and the like in the hydraulic system, and an additive of the hydraulic oil is a main source for providing functionality. The technology of the additive composition is the core of hydraulic oil, foreign additive companies always occupy higher positions on products due to early technical reserve and thick technical accumulation, domestic products can only meet the requirements of general systems, and better performance support is difficult to provide under severe working conditions such as high temperature and high pressure.
Patent CN201510419450.9 discloses a hydraulic oil composition, which adopts synthetic base oil, phosphorus-containing antiwear agent, antioxidant and antirust agent, and the oil has better low-temperature performance and flash point.
Patent CN1117838C discloses a zinc-free antiwear hydraulic oil additive composition, which comprises synergistic antioxidant composition composed of alkyl amine phosphate, ethylenediamine (ammonium) of alkyl aryl sulfonic acid or metal salt, and antiwear agent, antiseptic and antirust agent of thiophosphate.
None of the above patents relates to the application of ionic liquid additive composition in hydraulic oil, and no report is found.
Disclosure of Invention
The invention aims to provide a hydraulic oil additive composition which can obtain hydraulic oil with excellent oxygen resistance, high abrasion resistance and other properties after being blended with I, II or III base oil.
In order to achieve the purpose, the invention provides a hydraulic oil additive composition, which mainly comprises the following components:
20-30 wt% of zinc dialkyl dithiophosphate, 10-20 wt% of dithiophosphoric acid acrylate antiwear agent, 5-10 wt% of ionic liquid, 15-20 wt% of bisphenol antioxidant, 5-10 wt% of antirust agent, 1-3 wt% of amine tetrapolyoxypropylene derivative demulsifier, 1-5 wt% of dispersant and the balance of diluent;
the ionic liquid is thiazole phosphate ionic liquid, and the structure is as follows:
The invention can also be detailed as follows:
the invention provides a hydraulic oil additive composition, which comprises the following components in percentage by mass: 20-30% of zinc dialkyl dithiophosphate, 10-20% of dithiophosphate acrylate, 5-10% of ionic liquid, 15-20% of bisphenol antioxidant, 5-10% of antirust agent, 1-3% of demulsifier of tetrapolyoxypropylene derivative of amine, 1-5% of dispersant and the balance of diluent, wherein the ionic liquid has the following structure:
wherein R is C1-C4Linear alkyl group of (1).
The invention relates to a hydraulic oil additive composition, wherein the antiwear agent 1 zinc dialkyl dithiophosphate is T202 or T203.
The invention relates to a hydraulic oil additive composition, wherein an antiwear agent 2 is dithiophosphoric acid acrylate.
The invention relates to a hydraulic oil additive composition, wherein the ionic liquid is thiazole phosphate ionic liquid, and the structure is preferably as follows:
wherein R is C4。
As can be seen from the molecular structural formula of the thiazole phosphate ionic liquid, the ionic liquid is a nitrogen-sulfur containing double bond compound and a heterocyclic compound, can passivate the activity of metals, inhibit the catalytic action of the metals and the compounds thereof on the oxidation of oil products, prolong the service life of the oil products by compounding with bisphenol antioxidants and dithiophosphoric acid antiwear agents, and improve the abrasion resistance.
The invention relates to a hydraulic oil additive composition, wherein a bisphenol antioxidant is 4, 4' -methylene bis (2, 6-di-tert-butylphenol).
The invention relates to a hydraulic oil additive composition, wherein, the antirust agent is preferably one or two of benzotriazole, zinc naphthenate or heptadecenyl imidazolinyl alkenyl succinate which are compounded according to any proportion.
The invention relates to a hydraulic oil additive composition, wherein the alkyl of the demulsifier, preferably the demulsifier of the derivative of amine tetrapolyoxypropylene, is preferably diethyl or dipropyl.
The invention relates to a hydraulic oil additive composition, wherein a dispersant is preferably mono-alkenyl succinimide or high molecular weight succinimide.
A hydraulic oil additive composition of the invention wherein the diluent is preferably a neutral oil of from 5 to 6 cSt.
The anti-wear agent 1 is preferably T203, can better balance the performances of hydrolytic stability, wear resistance, extreme pressure property, thermal stability and the like, and simultaneously, in the later period of the service life of the oil product, the anti-oxidation function of ZDDP provides service life protection for the oil product.
The antiwear agent 2 is preferably dithiophosphoric acid acrylate, the PB of the dithiophosphoric acid acrylate is higher than ZDDP, T306, T309 and the like, the friction performance can be obviously improved by introducing carboxyl and branched chains, the compounding effect of the antiwear agent and a hindered bisphenol antioxidant is good, and less oil sludge is generated.
The antirust agent is preferably one or two of benzotriazole, zinc naphthenate or heptadecenyl imidazolinyl succinate which are compounded according to any proportion, and an adsorptive protective film is formed on the surface of the metal to further inhibit the contact of water and oxygen, so that the metal is not rusted.
The invention relates to a hydraulic oil additive composition, wherein the hydrophilic-lipophilic balance value of a demulsifier of a tetrapolyoxypropylene derivative of amine is preferably 9-12, and the hydraulic oil can form emulsion after being polluted by water inevitably in the long-term use process, thereby reducing the lubricity of oil products, damaging machinery and shortening the service life of the oil products. The demulsifier improves the anti-emulsifying property of the oil product by changing the oil-water interfacial tension.
The invention relates to a hydraulic oil additive composition, wherein a dispersant is preferably mono-alkenyl succinimide and high molecular weight succinimide, and the mass percentage of the dispersant is preferably 1-5%. The dispersant can effectively inhibit the deposition of oil sludge and paint films, avoid the aggregation of the oil sludge and the paint films, suspend the sediments in the oil, filter the sediments at a filter, and avoid the phenomena of valve blockage and the like.
In order to ensure the oxygen resistance of oil products, the antioxidant of the hydraulic oil additive composition is preferably hindered bisphenol which has excellent oxidation resistance and can effectively reduce the generation of oil sludge, and the volatility of the bisphenol is obviously lower than that of 2, 6-di-tert-butyl-p-cresol and 2, 6-di-tert-butyl phenol.
The invention has the advantages and effects that:
the hydraulic oil additive composition disclosed by the invention does not contain zinc elements, adopts the hindered bisphenol antioxidant, has the advantages of high antioxidant activity, small oil sludge generation amount, good compatibility with other additives and the like, has excellent oxygen resistance, wear resistance, rust resistance, emulsion breaking property, hydrolytic stability and filterability by mutual compatibility of various additives, completely meets the technical requirements of standards such as Denison HF0 and the like, and is suitable for various base oils.
Detailed Description
The following examples illustrate the invention in detail: the present example is carried out on the premise of the technical scheme of the present invention, and detailed embodiments and processes are given, but the scope of the present invention is not limited to the following examples, and the experimental methods without specific conditions noted in the following examples are generally performed according to conventional conditions.
An antiwear agent:
in the invention, the composition is a double antiwear system, ZDDP is a main antiwear agent to provide performances such as antiwear, antioxidant, extreme pressure and the like, and the dithiophosphoric acid acrylate antiwear agent is an auxiliary antiwear agent to form a better protective film on the metal surface and reduce abrasion.
Antioxidant:
in the present invention, the bisphenol antioxidant 4, 4' -methylenebis (2, 6-di-t-butylphenol) is not particularly limited, and the purity of 99% or more is satisfactory.
Ionic liquid:
in the invention, the ionic liquid is thiazole phosphoric acid, can integrate the metal passivation and abrasion resistance, and has better solubility and abrasion resistance.
Antirust agent:
in the present invention, the rust inhibitor is not particularly limited, and usually, one or two of benzotriazole, zinc naphthenate and heptadecenyl imidazolinyl succinate may be used as the rust inhibitor in any proportion.
Alkyl groups of demulsifiers that are derivatives of amine tetrapolyoxypropylene:
in the present invention, the alkyl group of the demulsifier derived from amine tetrapolyoxypropylene is not particularly limited, and the alkyl group of the demulsifier derived from amine tetrapolyoxypropylene is usually a diethyl group or a dipropyl group.
Hydrophilic lipophilic balance of demulsifiers which are derivatives of amine tetrapolyoxypropylene:
in the present invention, there is no particular limitation on the hydrophilic lipophilic balance of the demulsifier of amine tetrapolyoxypropylene derivatives, and generally, the demulsifier of amine tetrapolyoxypropylene derivatives has a hydrophilic lipophilic balance of 9 to 12, and if the hydrophilic lipophilic balance of the demulsifier of amine tetrapolyoxypropylene derivatives is less than 9, the demulsification effect is not satisfactory, whereas if the hydrophilic lipophilic balance of the demulsifier of amine tetrapolyoxypropylene derivatives is greater than 12, the demulsification effect is not satisfactory, and there is no other beneficial effect.
Dispersing agent:
in the present invention, the dispersant is not particularly limited, and examples of the dispersant include a monoalkenyl succinimide and a high molecular weight succinimide.
Diluent agent:
in the present invention, the diluent is not particularly limited, and is usually an inert neutral oil, and may be a neutral oil having a diluent of 5 to 6 cSt; if the diluent is a neutral oil of less than 5cSt, the additive composition has too low a flash point and viscosity; while the diluent is a neutral oil greater than 6cSt, the additive composition has a relatively high viscosity and is not convenient to use thereafter without other beneficial effects.
Example 1
| Name (R) | Amount (wt%) |
| T203 | 30 |
| Dithiophosphoric acid acrylic esters | 10 |
| Ionic liquids | 10 |
| Bisphenol antioxidant | 15 |
| Benzotriazole | 10 |
| Tetrapolyoxypropylene derivatives of amines | 1 |
| Monoalkenyl succinimide | 5 |
| Neutral oil 6cSt | 19 |
Example 2
Example 3
Example 4
| Name (R) | Amount (wt%) |
| T203 | 30 |
| Dithiophosphoric acid acrylic esters | 20 |
| Ionic liquids | 10 |
| Bisphenol antioxidant | 15 |
| Zinc naphthenate | 8 |
| Tetrapolyoxypropylene derivatives of amines | 2 |
| High molecular weight succinimides | 1 |
| Neutral oil 6cSt | 14 |
Taking examples 1 and 2 as examples, the test results of the oil product after blending with the group II base oil in an adding amount of 1% by mass are shown in the following table 1:
table 1 example 1 and example 2 performance data
As can be seen from Table 1, the hydraulic oil additive composition disclosed by the invention has the advantages of oxidation resistance, wear resistance, small oil sludge generation amount, and less than 100mg of oil sludge after an oxidation stability experiment is carried out for 1000 hours; good compatibility with other additives, etc. The additive of the composition is compatible with each other, has excellent oxygen resistance, abrasion resistance, rust resistance, emulsion breaking property, hydrolysis stability and filterability, and meets the requirements of standards such as Denison HF0 and the like on hydraulic oil.
Claims (6)
1. The hydraulic oil additive composition is characterized by mainly comprising the following components:
20-30 wt% of zinc dialkyl dithiophosphate, 10-20 wt% of dithiophosphoric acid acrylate antiwear agent, 5-10 wt% of ionic liquid, 15-20 wt% of bisphenol antioxidant, 5-10 wt% of antirust agent, 1-3 wt% of amine tetrapolyoxypropylene derivative demulsifier, 1-5 wt% of dispersant and the balance of diluent;
the ionic liquid is thiazole phosphate ionic liquid, and the structure of the ionic liquid is as follows:
The antirust agent is at least one of benzotriazole, zinc naphthenate or heptadecenyl imidazoline alkenyl succinate;
the alkyl of the demulsifier of the derivative of amine tetrapolyoxypropylene is at least one of diethyl and dipropyl;
the dispersant is at least one of mono alkenyl succinimide and high molecular weight succinimide;
the diluent is a neutral oil of 5-6 cSt.
2. The hydraulic oil additive composition of claim 1, wherein the zinc dialkyldithiophosphate is at least one of T202 and T203.
3. The hydraulic oil additive composition of claim 2, wherein the zinc dialkyldithiophosphate is T203.
4. The hydraulic oil additive composition of claim 1, wherein the bisphenol antioxidant is 4, 4' -methylenebis (2, 6-di-tert-butylphenol).
5. The hydraulic oil additive composition of claim 1, wherein the demulsifier derived from a tetrapolyoxypropylene derivative of an amine has a hydrophilic lipophilic balance of 9 to 12.
6. The hydraulic oil additive composition as set forth in claim 1, wherein R is C in the ionic liquid4。
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| CN116333799A (en) * | 2021-12-23 | 2023-06-27 | 中国石油天然气股份有限公司 | Reinforcement agent, hydraulic transmission oil and automatic transmission of vehicle |
| CN116410807A (en) * | 2021-12-30 | 2023-07-11 | 中国石油天然气股份有限公司 | Centrifugal compressor oil additive, centrifugal compressor oil and centrifugal compressor |
| CN114854474A (en) * | 2022-04-25 | 2022-08-05 | 镇江四联机电科技有限公司 | Low-friction-coefficient anti-wear hydraulic oil |
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