CN108865342A - A kind of resistance to oxidation engine lubricating oil and preparation method thereof - Google Patents

A kind of resistance to oxidation engine lubricating oil and preparation method thereof Download PDF

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Publication number
CN108865342A
CN108865342A CN201810402433.8A CN201810402433A CN108865342A CN 108865342 A CN108865342 A CN 108865342A CN 201810402433 A CN201810402433 A CN 201810402433A CN 108865342 A CN108865342 A CN 108865342A
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Prior art keywords
parts
base oil
oil
lubricating oil
resistance
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CN201810402433.8A
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Chinese (zh)
Inventor
王士平
许玮
陈永梅
陆希峰
李猛
张聪
荆蒙蒙
仲亚杰
孙雨思
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Shandong Yuangen Chemical Technology Research And Development Co Ltd
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Shandong Yuangen Chemical Technology Research And Development Co Ltd
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Priority to CN201810402433.8A priority Critical patent/CN108865342A/en
Publication of CN108865342A publication Critical patent/CN108865342A/en
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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
    • 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
    • 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
    • C10M2205/022—Ethene
    • 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
    • C10M2205/024—Propene
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
    • 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
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups 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
    • C10M2215/086—Imides
    • 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
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • 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
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/042—Siloxanes with specific structure containing aromatic substituents
    • 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

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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)
  • Lubricants (AREA)

Abstract

The invention discloses a kind of resistance to oxidation engine lubricating oil, including base oil and auxiliary agent, component meter by weight is as follows：80-120 parts of base oil, the auxiliary agent includes 3-5 parts of antioxidant, friction moderator 1-3 parts, 0.01-0.05 parts of foam reducing composition, 0.5-1 parts of matal deactivator, 4-6 parts of detergent-dispersant additive, 0.1-0.6 parts of pour-point depressant, 0.1-0.3 parts of antirust agent, 1-3 parts of anti-coagulants, 0.5-1 parts of viscosity index improver.By the present invention in that being mixed with mineral base oil, PAO synthetic base oil and polyalcohol mixed ester; in meeting under effect for complexing agent; stabilising system can be formed; and at the same time there are three types of the excellent characteristics of base oil for tool; it is good to the covering property of metal surface, be conducive to improve the lubrication protection to engine, under the action of antioxidant; lubricating oils from oxidative can be prevented, extend lubricating oil uses the time.

Description

A kind of resistance to oxidation engine lubricating oil and preparation method thereof
Technical field
The invention belongs to technical field of lubricating oil, and in particular to a kind of resistance to oxidation engine lubricating oil and preparation method thereof.
Background technique
Engine lubricating oil has had the history of decades, and the direction that people make great efforts nearly all is to reduce abrasion, reduce In-engine greasy filth, carbon deposit, colloid improve the cooling performance that engine interior improves greasy property, improves lubricating oil, prolong The service life of long engine lubricating oil, therefore there is the engine lubricating oil of various formula combinations, these formula combinations Engine lubricating oil is also respectively to have its advantage and disadvantage.Quality is improved in control cost, realizes that there are also very in terms of effect of the 1+1 greater than 2 More work will be done.
The present invention is exactly working in coordination by various components, in the base for the performance requirements for having taken into account engine lubrication On plinth, emphasis solves the problems, such as that engine lubricating oil is oxidation resistant.
Summary of the invention
The purpose of the present invention is to provide a kind of resistance to oxidation engine lubricating oils and preparation method thereof, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of resistance to oxidation engine lubricating oil, including basis Oil and auxiliary agent, by weight component meter are as follows：80-120 parts of base oil, the auxiliary agent includes 3-5 parts of antioxidant, friction moderator 1-3 parts, 0.01-0.05 parts of foam reducing composition, 0.5-1 parts of matal deactivator, 4-6 parts of detergent-dispersant additive, 0.1-0.6 parts of pour-point depressant, 0.1-0.3 parts of antirust agent, 1-3 parts of anti-coagulants, 0.5-1 parts of viscosity index improver.
Preferably, the mixing ratio of the base oil Minerals base oil, PAO synthetic base oil and polyalcohol mixed ester is 2： 3-5：1, the complexing agent containing 4-8% in the base oil, the complexing agent is sulfur-bearing phosphoric acid ester thiadiazoles derivative.
Preferably, the antioxidant is zinc dialkyl dithiophosphate, and the friction moderator is sulfuration cottonseed oil, phosphorus One of acid esters, dialkyl dithiophosphoric acid oxygen molybdenum or any combination, the foam reducing composition are polymethylphenyl siloxane fluid or methyl silicon One of oil.
Preferably, the matal deactivator is one of benzotriazole derivative and thiadiazoles derivative, described peace and quiet point Powder is any one single hung in succimide, double extension succimides and high molecular weight succimide.
Preferably, the pour-point depressant is one of alkyl a kind of apple, polymethacrylates, poly alpha olefin or any component etc. Than combination, the antirust agent is one of sulfonate, organic amine or imidazoline or any number of combination, and the anti-coagulants is hydroxyl Stearin.
Preferably, the viscosity index improver is polymethacrylates, ethylene-propylene copolymer, hydrogenated styrene diene are total to One of polymers or any component etc. are than combination.
Meanwhile the invention discloses a kind of preparation method of resistance to oxidation engine lubricating oil, made as follows It is standby：
S1：Base oil is prepared, mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, complexing agent is measured and is placed in and matches In tank processed, and it is heated to 60-80 DEG C and is thoroughly mixed, it is spare；
S2：Auxiliary agent addition, then successively by antioxidant, friction moderator, foam reducing composition, belong to passivator, detergent-dispersant additive, Pour-point depressant, antirust agent, anti-coagulants sequentially add in the preparing tank in S1, are thoroughly mixed uniformly；
S3：Viscosity is adjusted, viscosity index improver interval is added in the preparing tank in S2, is mixed evenly, later By preparing tank natural cooling, and solution is transferred in grinder and is ground, and filtered using the glass of 3-12um pore size filter Paper is filtered, and collects oil liquid；
S4：Ultrasonic wave dispersion carries out ultrasonic wave dispersion, ultrasonic frequency 20-30KHz, dispersion speed to the oil liquid in S3 3000-5000r/min is spent, jitter time 20-30 minutes, this product is made after being uniformly dispersed.
Technical effect and advantage of the invention：
By the present invention in that being mixed with mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, in complexing agent Meet under effect, stabilising system can be formed, and at the same time tool there are three types of base oil excellent characteristics, to the packet of metal surface The property covered is good, is conducive to improve the lubrication protection to engine, under the action of antioxidant, can prevent lubricating oil from oxygen occurs Change, extend lubricating oil uses the time.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
Embodiment 1
A kind of resistance to oxidation engine lubricating oil, including base oil and auxiliary agent, by weight component meter are as follows：80 parts of base oil, The auxiliary agent includes 3 parts of antioxidant, friction 1 part of moderator, 0.01 part of foam reducing composition, 0.5 part of matal deactivator, peace and quiet dispersion 4 parts of agent, 0.5 part of pour-point depressant, 0.1 part of antirust agent, 1 part of anti-coagulants, 0.5 part of viscosity index improver.
The mixing ratio of the base oil Minerals base oil, PAO synthetic base oil and polyalcohol mixed ester is 2：3：1, institute The complexing agent in base oil containing 4% is stated, the complexing agent is sulfur-bearing phosphoric acid ester thiadiazoles derivative.
The antioxidant is zinc dialkyl dithiophosphate, and the friction moderator is phosphate, the foam reducing composition For polymethylphenyl siloxane fluid.
The matal deactivator is benzotriazole derivative, and the detergent-dispersant additive is single extension succimide.
The pour-point depressant is alkyl a kind of apple, and the antirust agent is sulfonate, and the anti-coagulants is Oxystearin.
The viscosity index improver is polymethacrylates.
Meanwhile the invention discloses a kind of preparation method of resistance to oxidation engine lubricating oil, made as follows It is standby：
S1：Base oil is prepared, mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, complexing agent is measured and is placed in and matches In tank processed, and it is heated to 60 DEG C and is thoroughly mixed, it is spare；
S2：Auxiliary agent addition, then successively by antioxidant, friction moderator, foam reducing composition, belong to passivator, detergent-dispersant additive, Pour-point depressant, antirust agent, anti-coagulants sequentially add in the preparing tank in S1, are thoroughly mixed uniformly；
S3：Viscosity is adjusted, viscosity index improver interval is added in the preparing tank in S2, is mixed evenly, later By preparing tank natural cooling, and solution is transferred in grinder and is ground, and using 3um pore size filter glass filter paper into Row filtering, collects oil liquid；
S4：Ultrasonic wave dispersion carries out ultrasonic wave dispersion, ultrasonic frequency 20KHz, rate of dispersion to the oil liquid in S3 Jitter time 20 minutes, this product was made in 3000r/min after being uniformly dispersed.
Embodiment 2
A kind of resistance to oxidation engine lubricating oil, including base oil and auxiliary agent, by weight component meter are as follows：100 parts of base oil, The auxiliary agent includes 4 parts of antioxidant, friction 2 parts of moderator, 0.03 part of foam reducing composition, 0.7 part of matal deactivator, peace and quiet dispersion 5 parts of agent, 0.4 part of pour-point depressant, 0.15 part of antirust agent, 2 parts of anti-coagulants, 0.7 part of viscosity index improver.
The mixing ratio of the base oil Minerals base oil, PAO synthetic base oil and polyalcohol mixed ester is 2：4：1, institute The complexing agent in base oil containing 4-8% is stated, the complexing agent is sulfur-bearing phosphoric acid ester thiadiazoles derivative.
The antioxidant is zinc dialkyl dithiophosphate, and the friction moderator is dialkyl dithiophosphoric acid oxygen Molybdenum, the foam reducing composition are polymethylphenyl siloxane fluid.
The matal deactivator is thiadiazoles derivative, and the detergent-dispersant additive is double extension succimides.
The pour-point depressant is polymethacrylates, and the antirust agent is organic amine, and the anti-coagulants is Oxystearin.
The viscosity index improver is ethylene-propylene copolymer.
Meanwhile the invention discloses a kind of preparation method of resistance to oxidation engine lubricating oil, made as follows It is standby：
S1：Base oil is prepared, mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, complexing agent is measured and is placed in and matches In tank processed, and it is heated to 70 DEG C and is thoroughly mixed, it is spare；
S2：Auxiliary agent addition, then successively by antioxidant, friction moderator, foam reducing composition, belong to passivator, detergent-dispersant additive, Pour-point depressant, antirust agent, anti-coagulants sequentially add in the preparing tank in S1, are thoroughly mixed uniformly；
S3：Viscosity is adjusted, viscosity index improver interval is added in the preparing tank in S2, is mixed evenly, later By preparing tank natural cooling, and solution is transferred in grinder and is ground, and using 8um pore size filter glass filter paper into Row filtering, collects oil liquid；
S4：Ultrasonic wave dispersion carries out ultrasonic wave dispersion, ultrasonic frequency 25KHz, rate of dispersion to the oil liquid in S3 Jitter time 25 minutes, this product was made in 4000r/min after being uniformly dispersed
Embodiment 3
A kind of resistance to oxidation engine lubricating oil, including base oil and auxiliary agent, by weight component meter are as follows：120 parts of base oil, The auxiliary agent includes 5 parts of antioxidant, friction 3 parts of moderator, 0.05 part of foam reducing composition, 1 part of matal deactivator, detergent-dispersant additive 6 parts, 0.45 part of pour-point depressant, 0.2 part of antirust agent, 3 parts of anti-coagulants, 1 part of viscosity index improver.
The mixing ratio of the base oil Minerals base oil, PAO synthetic base oil and polyalcohol mixed ester is 2：5：1, institute The complexing agent in base oil containing 8% is stated, the complexing agent is sulfur-bearing phosphoric acid ester thiadiazoles derivative.
The antioxidant is zinc dialkyl dithiophosphate, and the friction moderator is dialkyl dithiophosphoric acid oxygen Molybdenum, the foam reducing composition are methyl-silicone oil.
The matal deactivator is thiadiazoles derivative, and the detergent-dispersant additive is high molecular weight succimide.
The pour-point depressant is poly alpha olefin, and the antirust agent is organic amine or imidazoline, and the anti-coagulants is hydroxy stearate Essence.
The viscosity index improver is hy drogenated styrene-diene copolymer.
Meanwhile the invention discloses a kind of preparation method of resistance to oxidation engine lubricating oil, made as follows It is standby：
S1：Base oil is prepared, mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, complexing agent is measured and is placed in and matches In tank processed, and it is heated to 80 DEG C and is thoroughly mixed, it is spare；
S2：Auxiliary agent addition, then successively by antioxidant, friction moderator, foam reducing composition, belong to passivator, detergent-dispersant additive, Pour-point depressant, antirust agent, anti-coagulants sequentially add in the preparing tank in S1, are thoroughly mixed uniformly；
S3：Viscosity is adjusted, viscosity index improver interval is added in the preparing tank in S2, is mixed evenly, later By preparing tank natural cooling, and solution is transferred in grinder and is ground, and uses the glass filter paper of 12um pore size filter It is filtered, collects oil liquid；
S4：Ultrasonic wave dispersion carries out ultrasonic wave dispersion, ultrasonic frequency 30KHz, rate of dispersion to the oil liquid in S3 Jitter time 30 minutes, this product was made in 5000r/min after being uniformly dispersed.
By the present invention in that being mixed with mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, in complexing agent Meet under effect, stabilising system can be formed, and at the same time tool there are three types of base oil excellent characteristics, to the packet of metal surface The property covered is good, is conducive to improve the lubrication protection to engine, under the action of antioxidant, can prevent lubricating oil from oxygen occurs Change, extend lubricating oil uses the time.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (7)

1. a kind of resistance to oxidation engine lubricating oil, including base oil and auxiliary agent, which is characterized in that component meter by weight is as follows：Base 80-120 parts of plinth oil, the auxiliary agent includes 3-5 parts of antioxidant, moderator 1-3 parts of friction, 0.01-0.05 parts of foam reducing composition, gold Belong to passivator 0.5-1 parts, 4-6 parts of detergent-dispersant additive, 0.1-0.6 parts of pour-point depressant, 0.1-0.3 parts of antirust agent, 1-3 parts of anti-coagulants, 0.5-1 parts of viscosity index improver.
2. a kind of resistance to oxidation engine lubricating oil according to claim 1, it is characterised in that：The base oil Minerals base The mixing ratio of plinth oil, PAO synthetic base oil and polyalcohol mixed ester is 2：3-5：1, contain the compound of 4-8% in the base oil Agent, the complexing agent are sulfur-bearing phosphoric acid ester thiadiazoles derivative.
3. a kind of resistance to oxidation engine lubricating oil according to claim 1, it is characterised in that：The antioxidant is dioxane Base zinc dithiophosphate, the friction moderator be one of phosphate, dialkyl dithiophosphoric acid oxygen molybdenum or any combination, The foam reducing composition is one of polymethylphenyl siloxane fluid or methyl-silicone oil.
4. a kind of resistance to oxidation engine lubricating oil according to claim 1, it is characterised in that：The matal deactivator is benzene One of triazole derivative and thiadiazoles derivative, the detergent-dispersant additive are single extension succimide, double extension succinyl Asia Any one in amine and high molecular weight succimide.
5. a kind of resistance to oxidation engine lubricating oil according to claim 1, it is characterised in that：The pour-point depressant is alkyl Than combination, the antirust agent is sulfonate, organic for one of a kind of apple, polymethacrylates, poly alpha olefin or any component etc. One of amine or imidazoline or any number of combination, the anti-coagulants are Oxystearin.
6. a kind of resistance to oxidation engine lubricating oil according to claim 1, it is characterised in that：The viscosity index improver It is one of polymethacrylates, ethylene-propylene copolymer, hy drogenated styrene-diene copolymer or any component etc. than combination.
7. a kind of preparation method of resistance to oxidation engine lubricating oil, it is characterised in that：It is prepared as follows：
S1：Base oil is prepared, mineral base oil, PAO synthetic base oil and polyalcohol mixed ester, complexing agent is measured and is placed in preparing tank In, and be heated to 60-80 DEG C and be thoroughly mixed, it is spare；
S2：Auxiliary agent addition, then successively by antioxidant, friction moderator, foam reducing composition, category passivator, detergent-dispersant additive, pour point depression Agent, antirust agent, anti-coagulants sequentially add in the preparing tank in S1, are thoroughly mixed uniformly；
S3：Viscosity is adjusted, viscosity index improver interval is added in the preparing tank in S2, is mixed evenly, will match later Tank natural cooling processed, and solution is transferred in grinder and is ground, and using the glass filter paper of 3-12um pore size filter into Row filtering, collects oil liquid；
S4：Ultrasonic wave dispersion carries out ultrasonic wave dispersion, ultrasonic frequency 20-30KHz, rate of dispersion to the oil liquid in S3 Jitter time 20-30 minutes, this product was made in 3000-5000r/min after being uniformly dispersed.
CN201810402433.8A 2018-04-28 2018-04-28 A kind of resistance to oxidation engine lubricating oil and preparation method thereof Pending CN108865342A (en)

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CN112175691A (en) * 2020-11-03 2021-01-05 东莞市惠通能源有限公司 Functional lubricating oil with good comprehensive performance and processing technology
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CN114621810A (en) * 2022-02-28 2022-06-14 海南汉地阳光石油化工有限公司 Cooling liquid for double mechanical seal and preparation method thereof

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Application publication date: 20181123