CN114196460A - Lubricating oil composition - Google Patents

Lubricating oil composition Download PDF

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Publication number
CN114196460A
CN114196460A CN202010982563.0A CN202010982563A CN114196460A CN 114196460 A CN114196460 A CN 114196460A CN 202010982563 A CN202010982563 A CN 202010982563A CN 114196460 A CN114196460 A CN 114196460A
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Prior art keywords
lubricating oil
oil composition
agent
antioxidant
demulsifier
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CN202010982563.0A
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Chinese (zh)
Inventor
余德峻
谌再兴
曾国环
龚灿铮
蔡慧芳
余昳
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Dongguan Kaipu Lubrication Technology Co ltd
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Dongguan Kaipu Lubrication Technology Co ltd
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Priority to CN202010982563.0A priority Critical patent/CN114196460A/en
Publication of CN114196460A publication Critical patent/CN114196460A/en
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating 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
    • C10M169/04Mixtures of base-materials and additives
    • C10M169/044Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102Aliphatic fractions
    • C10M2203/1025Aliphatic fractions used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08Macromolecular 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
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08Macromolecular 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
    • C10M2209/084Acrylate; Methacrylate
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/105Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064Di- and triaryl amines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/22Heterocyclic nitrogen compounds
    • C10M2215/223Five-membered rings containing nitrogen and carbon only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066Thiocarbamic type compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106Thiadiazoles
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04Phosphate esters
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/06Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • C10M2223/063Ammonium or amine salts

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 lubricating oil composition provided by the embodiment of the invention comprises the following raw materials in percentage by weight: 0.45-0.65% of antioxidant, 0.1-0.2% of extreme pressure agent, 0-0.5% of friction modifier, 0.08-0.15% of metal corrosion inhibitor, 0.06-0.1% of antirust agent, 0.05-0.1% of pour point depressant, 0.03-0.05% of demulsifier, 50-100 PPM of defoaming agent and the balance of base oil. The physical and chemical properties of the lubricating oil composition provided by the invention exceed the indexes of GB11118.1-2011L-HM (high pressure) hydraulic oil, key indexes such as abrasion resistance, demulsification, hydrolysis resistance, air release values and the like exceed by times, the oxidation stability can reach 3000 hours, sludge is not produced, and the normal operation of outdoor, water surface and underwater engineering machinery is ensured.

Description

Lubricating oil composition
Technical Field
The invention relates to the technical field of lubricating oil, in particular to a lubricating oil composition.
Background
The hydraulic oil which uses oil liquid as a transmission medium and utilizes the pressure energy of the liquid to start a hydraulic system to work has the history of over three hundred years. With the continuous development of hydraulic technology, mechanical equipment moves forward in the direction of high power, small volume and high pressure, so that the requirement on the quality level of hydraulic oil is more strict, and the performance of the hydraulic equipment greatly influences the functional output, the service life and the maintenance of the hydraulic equipment.
Therefore, a lubricating oil with high performance is needed to ensure that the hydraulic system can be reliably protected during high-temperature and high-load long-time operation.
Disclosure of Invention
Accordingly, to overcome at least some of the disadvantages and drawbacks of the prior art described above, the present invention provides a lubricating oil composition to improve the performance of lubricating oils.
The invention provides a lubricating oil composition which is characterized by comprising the following raw materials in percentage by weight: 0.45-0.65% of antioxidant, 0.1-0.2% of extreme pressure agent, 0-0.5% of friction modifier, 0.08-0.15% of metal corrosion inhibitor, 0.06-0.1% of antirust agent, 0.05-0.1% of pour point depressant, 0.03-0.05% of demulsifier, 50-100 PPM of defoaming agent and the balance of base oil.
In one embodiment of the invention, the antioxidant is a complex of an ashless dialkyl dithiocarbamate and an alkyl diphenylamine.
In one embodiment of the invention, the extreme pressure agent is an ammonium alkyl phosphate.
In one embodiment of the invention, the friction modifier is trioctylphosphates.
In one embodiment of the invention, the metal corrosion inhibitor is a compound of methylbenzotriazole and a thiadiazole derivative, and the ratio of the methylbenzotriazole to the thiadiazole derivative is 1-2: 1.
In one embodiment of the invention, the rust inhibitor is an amino acid derivative.
In one embodiment of the invention, the pour point depressant is polymethacrylate.
In one embodiment of the invention, the demulsifier is a propylene oxide copolymer.
In one embodiment of the invention, the defoamer is a non-silicone acrylate ether copolymer.
In one embodiment of the invention, the base oil is a group ii hydrofined mineral oil or a group iii hydrofined mineral oil.
In conclusion, the physical and chemical properties of the lubricating oil composition provided by the invention exceed the indexes of GB11118.1-2011L-HM (high pressure) hydraulic oil, key indexes such as abrasion resistance, demulsification, hydrolysis resistance, air release values and the like are exceeded by times, the oxidation stability can reach 3000 hours, sludge is not produced, and the normal operation of outdoor, water surface and underwater engineering machinery is ensured. In addition, the lubricating oil composition does not contain additives such as 2, 6-di-tert-butylphenol, 2, 6-di-tert-butyl-p-phenol, phenyl alpha-naphthylamine, tricresyl phosphate and the like which are harmful to human bodies and aquatic organisms, so that the environmental protection property of the lubricating oil composition is improved.
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 lubricating oil composition provided by the embodiment of the invention comprises the following raw materials in percentage by weight: 0.45-0.65% of antioxidant, 0.1-0.2% of extreme pressure agent, 0-0.5% of friction modifier, 0.08-0.15% of metal corrosion inhibitor, 0.06-0.1% of antirust agent, 0.05-0.1% of pour point depressant, 0.03-0.05% of demulsifier, 50-100 PPM of defoaming agent and the balance of base oil.
In one embodiment of this example, the antioxidant is a complex of an ashless dialkyl dithiocarbamate and an alkyl diphenylamine. The ashless dialkyl dithiocarbamate has excellent functions of oxidation resistance, extreme pressure, friction reduction and the like, has stable sulfur and nitrogen containing structures, meets the requirement of amine antioxidants and has excellent oxidation resistance. Particularly, the ashless dialkyl dithiocarbamate is matched with the alkyl diphenylamine, so that the obtained antioxidant does not generate sludge after being oxidized and has light oil color.
In a specific embodiment of this embodiment, the extreme pressure agent is an ammonium alkyl phosphate, which has excellent wear resistance and rust resistance, and the addition amount is 0.1-0.2%, and the FZG test can reach above grade 12.
In one embodiment of this example, the friction modifier is a trioctyl phosphate that is non-toxic and readily soluble in hydrogenated mineral oil.
In a specific embodiment of this embodiment, the metal corrosion inhibitor is a composite of methylbenzotriazole and a thiadiazole derivative, and a mass ratio of the methylbenzotriazole to the thiadiazole derivative is 1-2: 1.0.
In one embodiment of this example, the rust inhibitor is an amino acid derivative that provides excellent rust protection at low addition levels (e.g., 0.06%) and is synergistic with EP/AW additives.
In one embodiment of this embodiment, the pour point depressant is polymethacrylate.
In one embodiment of this example, the demulsifier is a propylene oxide copolymer.
In one embodiment of this example, the defoamer is a non-silicone acrylate ether copolymer.
In one embodiment of this example, the base oil is a group ii or group iii hydrorefined mineral oil from which impurities such as aromatic hydrocarbons, sulfur, nitrogen, etc. have been removed, resulting in a substantial improvement in quality.
The formulation of the specific sample of the lubricating oil composition and the experimental results provided in the examples of the present invention are shown in the following examples.
[ first embodiment ] A method for manufacturing a semiconductor device
Formulation example:
Figure BDA0002688081280000041
the experimental results are as follows:
Figure BDA0002688081280000042
Figure BDA0002688081280000051
[ second embodiment ]
Formulation example:
Figure BDA0002688081280000052
the experimental results are as follows:
Figure BDA0002688081280000053
Figure BDA0002688081280000061
[ third embodiment ]
Formulation example:
Figure BDA0002688081280000062
the experimental results are as follows:
Figure BDA0002688081280000063
Figure BDA0002688081280000071
[ fourth example ] A
Formulation example:
Figure BDA0002688081280000072
Figure BDA0002688081280000081
the experimental results are as follows:
Figure BDA0002688081280000082
[ fifth embodiment ]
Formulation example:
Figure BDA0002688081280000083
Figure BDA0002688081280000091
the experimental results are as follows:
Figure BDA0002688081280000092
it can be seen from the formula examples and test results of the above embodiments that the physical and chemical properties of the lubricating oil composition provided by the invention exceed the indexes of GB11118.1-2011L-HM (high pressure) hydraulic oil, the FZG friction test exceeds grade 12, the diameter of the four-ball friction test wear scar is less than 0.5mm, the friction is reduced by 70%, the thermal oxidation stability is greatly improved, the hidden danger of sludge generation is solved, key indexes such as wear resistance, emulsion breaking, hydrolysis resistance, air release values and the like exceed by times, and the normal operation of outdoor, water surface and underwater engineering machinery is ensured. In addition, the lubricating oil composition does not contain additives such as 2, 6-di-tert-butylphenol, 2, 6-di-tert-butyl-p-phenol, phenyl alpha-naphthylamine, tricresyl phosphate and the like which are harmful to human bodies and aquatic organisms, so that the environmental protection property of the lubricating oil composition is improved.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated without conflict between technical features and structural contradictions, which do not violate the purpose of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The lubricating oil composition is characterized by comprising the following raw materials in percentage by weight: 0.45-0.65% of antioxidant, 0.1-0.2% of extreme pressure agent, 0-0.5% of friction modifier, 0.08-0.15% of metal corrosion inhibitor, 0.06-0.1% of antirust agent, 0.05-0.1% of pour point depressant, 0.03-0.05% of demulsifier, 50-100 PPM of defoaming agent and the balance of base oil.
2. The lubricating oil composition of claim 1, wherein the antioxidant is a complex of an ashless dialkyl dithiocarbamate and an alkyl diphenylamine.
3. The lubricating oil composition of claim 1, wherein the extreme pressure agent is an alkyl ammonium phosphate.
4. The lubricating oil composition of claim 1, wherein the friction modifier is a trioctylphosphate.
5. The lubricating oil composition of claim 1, wherein the metal corrosion inhibitor is a composite of methylbenzotriazole and a thiadiazole derivative, and the mass ratio of the methylbenzotriazole to the thiadiazole derivative is 1-2: 1.
6. The lubricating oil composition according to claim 1, wherein the rust inhibitor is an amino acid derivative.
7. The lubricating oil composition of claim 1, wherein the pour point depressant is a polymethacrylate.
8. The lubricating oil composition of claim 1, wherein the demulsifier is a propylene oxide copolymer.
9. The lubricating oil composition of claim 1, wherein the anti-foaming agent is a non-silicone acrylate ether copolymer.
10. The lubricating oil composition of claim 1, wherein the base oil is a group ii hydrofined mineral oil or a group iii hydrofined mineral oil.
CN202010982563.0A 2020-09-17 2020-09-17 Lubricating oil composition Pending CN114196460A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690717A (en) * 2011-03-24 2012-09-26 中国石油化工股份有限公司 Extreme-pressure long-life lubricant composition for steam turbine
US20140045736A1 (en) * 2011-05-16 2014-02-13 The Lubrizol Corporation Lubricating Compositions For Turbine And Hydraulic Systems With Improved Antioxidancy
US20160068781A1 (en) * 2014-09-04 2016-03-10 Vanderbilt Chemicals, Llc Liquid ashless antioxidant additive for lubricating compositions
CN107760418A (en) * 2016-08-19 2018-03-06 中国科学院宁波材料技术与工程研究所 A kind of ashless antiwear hydraulic lubricant oil composition and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690717A (en) * 2011-03-24 2012-09-26 中国石油化工股份有限公司 Extreme-pressure long-life lubricant composition for steam turbine
US20140045736A1 (en) * 2011-05-16 2014-02-13 The Lubrizol Corporation Lubricating Compositions For Turbine And Hydraulic Systems With Improved Antioxidancy
US20160068781A1 (en) * 2014-09-04 2016-03-10 Vanderbilt Chemicals, Llc Liquid ashless antioxidant additive for lubricating compositions
CN107760418A (en) * 2016-08-19 2018-03-06 中国科学院宁波材料技术与工程研究所 A kind of ashless antiwear hydraulic lubricant oil composition and preparation method thereof

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