CN108517244A - Environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof - Google Patents

Environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof Download PDF

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CN108517244A
CN108517244A CN201810461974.8A CN201810461974A CN108517244A CN 108517244 A CN108517244 A CN 108517244A CN 201810461974 A CN201810461974 A CN 201810461974A CN 108517244 A CN108517244 A CN 108517244A
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graphene
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environment
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lubricant oil
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郭健
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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
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    • 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
    • C10M125/00Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/02Carbon; Graphite
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    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04Elements
    • C10M2201/041Carbon; Graphite; Carbon black
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    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/0206Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix 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
    • C10M2207/127Carboxylix 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 polycarboxylic
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/14Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/144Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/283Esters of polyhydroxy compounds
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    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M2227/00Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/04Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
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    • C10M2229/00Organic 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
    • C10M2229/04Siloxanes with specific structure
    • C10M2229/041Siloxanes with specific structure containing aliphatic substituents
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    • C10N2010/00Metal present as such or in compounds
    • C10N2010/04Groups 2 or 12
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02Pour-point; Viscosity index
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10Inhibition of oxidation, e.g. anti-oxidants
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/54Fuel economy

Abstract

The invention discloses a kind of environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof, the environment-protection energy-saving lubricant oil of the graphene-containing is prepared by the raw material of following weight parts:200 400 parts of base oil, 4 10 parts of detersive, 15 parts of graphene, 26 parts of dispersant, 26 parts of antirust agent, 0.1 0.5 parts of antifoaming agent.The environment-protection energy-saving lubricant oil of graphene-containing of the present invention, it is added to the graphene of polymolecularity energy, pass through the compound action of a variety of auxiliary agents, lubricants performance can be optimized, it is the effect that can reach good enhancing lubricants performance that less additive, which can be used, the antifreeze of lubricating oil, viscosity, antirust, wear-resisting property are improved, the quality of lubricating oil is greatly improved.For the present invention compared with existing lubricating oil, production cost is relatively low, and Working Life of Lubricating Oil is longer.

Description

Environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof
Technical field
The present invention relates to a kind of lubricating oil, specifically, being related to a kind of environment-protection energy-saving lubricant oil and its system of graphene-containing Preparation Method.
Background technology
Energy and environment are the two principal themes of economic society sustainable development.For component of machine, fretting wear is Unavoidable.The fretting wear of mechanical part can also cause extremely serious while bringing material and the energy is largely lost Environmental pollution.It is effectively to slow down component of machine fretting wear, reduce energy damage that triboadditives are added in lubricating oil One of important technical of consumption.
Lubricating oil is used in automobile, on mechanical equipment to reduce the liquid or semisolid of friction, protection machinery and workpiece Lubricant, the effects that mainly playing lubrication, cooling, antirust, cleaning, sealing and buffer.Lubricating oil is by base oil and additive two It is grouped as, base oil is the main component of lubricating oil, decides that the fundamental property of lubricating oil, additive can then make up and improve base The deficiency of plinth oil aspect of performance assigns certain new performances, is the important component of lubricating oil.
Lube oil additive is that one or more of lubricant compound is added, so that lubricant obtains certain new spy Property or improve lubricant in some existing characteristics.Additive mainly has antioxidant, antiwear additive, friction modifier by function point (also known as oiliness improver), EP agent, detersive, dispersant, foam in hibitors, corrosion prevention rust preventer, flow point improver, viscosity refer to The types such as number promoting agent.
Graphene is the new carbon for having monatomic thickness, it have high mechanical strength, good thermal conductivity and Quick carrier mobility, the preparation for the high performance device such as transistor sensor provide raw material.In addition, graphene has High specific surface area is to prepare the fabulous base material of nanocomposite.
The excellent frictional behaviour of graphene has caused people and has more and more paid close attention to, lamella sliding, fretting wear machine It manages and has many researchs and report in the application of friction field.With the development of science and technology, especially graphene in recent years The promotion of technology, graphene additive technology have been introduced into lubricating oil field.
Invention content
The object of the present invention is to provide a kind of lubricating oil, and the additives such as graphene are added in lubricant base, improve profit The quality of lubricating oil.
The invention is realized by the following technical scheme:
A kind of environment-protection energy-saving lubricant oil of graphene-containing, is prepared by the raw material of following weight parts:Base oil 200-400 Part, 4-10 parts of detersive, 1-5 parts of graphene, 2-6 parts of dispersant, 2-6 parts of antirust agent, 0.1-0.5 parts of antifoaming agent.
A kind of environment-protection energy-saving lubricant oil of graphene-containing, is prepared by the raw material of following weight parts:Base oil 200-400 Part, 4-10 parts of detersive, 1-5 parts of functionalization graphene, 2-6 parts of dispersant, 2-6 parts of antirust agent, 0.1-0.5 parts of antifoaming agent.
In the present invention, the base oil be the fully synthetic engine oils of 5W/40SN or the fully synthetic engine oils of 0W/40SN or It is one or more in 100N base oils or GTL-4 base oils or poly alpha olefin.
Graphene chemical stability is high, weaker with other medium interactions, and interlayer is there are prodigious Van der Waals force, Although the greasy property of lubricating oil can be improved to a certain degree, raising lubrication oil-proofness obtained is poor, can shape after being long placed in Form agglomerates make the greasy property of lubricating oil reduce, and are had caused great difficulties to the further application of graphene, it would therefore be highly desirable to Solve the problems, such as it is how to realize that graphene uniform is dispersed stably in oil product, to obtain a kind of stability, anti-attrition and The good graphene lubricating oil of mechanical protection performance.
The preparation method of the functionalization graphene is:The ethyl alcohol that graphene is added to 5-15 times of graphene weight is water-soluble Ultrasonic disperse 15-25min in liquid, the mass fraction of ethyl alcohol is 50-60% in the ethanol water, obtains dispersion liquid;With The hydrochloric acid of 0.05-0.15mol/L adjusts the pH to 2.9-3.3 of dispersion liquid, adds triacetoxyl group (3- mercaptopropyis) silane, The addition of triacetoxyl group (3- mercaptopropyis) silane is the 5-15% of graphene weight, in the case where temperature is 65-75 DEG C 2-5h is stirred, is centrifuged, will be deposited in temperature is dry 8-12h, the graphene after being surface-treated at 65-75 DEG C;It will Graphene, antioxidant GM, toluene after surface treatment are 1 in mass ratio:(0.08-0.2):Ultrasonic disperse after (5-15) mixing 15-25min, is again heated to 75-85 DEG C, is added the N of the graphene weight 0.1-0.3% after surface treatment, N- dimethyl benzylamines, It stirs 1-3h, centrifuges, will be deposited in temperature is to dry 8-12h at 65-75 DEG C to obtain the final product.
The ultrasonic power of the ultrasonic disperse is 200-500W, supersonic frequency 20-40kHz.
The detersive is calcium sulfonate detergents or calcium salicylate detersive.
In the present invention, the dispersant is glyceryl monostearate or neopelex or stearic acid.
In the present invention, the antirust agent is dodecenylsuccinic acid and/or octyl- 7- alkenyl succinic acids.Preferably, institute Antirust agent is stated to be made of 70-80wt% dodecenylsuccinic acids and 20-30wt% octyl- 7- alkenyl succinic acids.
In the present invention, the antifoaming agent is dimethicone or polyethers antifoaming agent.
The preparation method of the environment-protection energy-saving lubricant oil of above-mentioned graphene-containing:By detersive, functionalization graphene, dispersant, Antirust agent, antifoaming agent are added in base oil, are heated to 45-65 DEG C, are that 200-500r/min stirs 15-35min mixing with rotating speed Uniformly, it is cooled to room temperature to obtain the final product.
The environment-protection energy-saving lubricant oil of graphene-containing of the present invention is added to the graphene of polymolecularity energy, passes through a variety of auxiliary agents Compound action, lubricants performance can be optimized, less additive can be used to can reach good enhancing and lubricate oiliness The effect of energy, can improve the antifreeze of lubricating oil, viscosity, antirust, wear-resisting property, greatly improve the quality of lubricating oil.This hair It is bright compared with existing lubricating oil, production cost is relatively low, Working Life of Lubricating Oil is longer.
Specific implementation mode
Wear scar diameter is tested:It is carried out according to GB/T 12583-1990 lubricant extreme pressure property measuring methods (four ball method), four balls It is load 40kgf that condition, which is arranged, in testing machine, and run time 1h, initial temperature is 93 DEG C and rotating speed is 600r/min.
Antioxygen property is tested:It is detected according to measurement-rotary bomb oxidation test of SH/T 0193-2008 lubricating oil oxidation stabilities, The more long then antioxidant of oxidization time is better.
Bearing capacity is tested:It is carried out according to GB/T 3142-1982.Experimental condition is:1450 revs/min of rotating speed, when test Between be 10s, load 392N.Steel ball meets G308, II grade of bearing steel ball, diameter 12.7mm, material GCr15.Test equipment uses The four-ball extreme pressure tester for the model MRS that Jinan Si Date measuring technologies Co., Ltd provides.5W/40SN is closed entirely in embodiment It is the general purpose engine oil that the trade mark that Zhejiang shell chemical Oil Co., Ltd provides is 5W-40 at engine oil.
Graphene is the graphene oxide that Beijing Deco Dao Jin Science and Technology Ltd.s provide, thickness in embodiment:0.55- 1.2nm, diameter:0.5-3 μm, the number of plies:1-5 layers.
Glyceryl monostearate in embodiment, also known as glycerin monostearate, No. CAS:31566-31-1.
Dodecenylsuccinic acid in embodiment, No. CAS:29658-97-7.
Octyl- 7- alkenyl succinic acids in embodiment, No. CAS:94386-55-7.
Triacetoxyl group (3- mercaptopropyis) silane in embodiment, No. CAS:45189-99-9.
The paper that antioxidant GM is delivered with reference to Du Fei in embodiment《The synthesis of antioxidant of bisphenol monoacryate GM》Into It is prepared by row.
Toluene in embodiment, No. CAS:108-88-3.
N in embodiment, N- dimethyl benzylamine, No. CAS:103-83-3.
Calcium salicylate detersive is with reference to application No. is 1 institutes of embodiment in 201110172978.2 Chinese patent in embodiment Show prepared by method.
Dimethicone is the dimethyl for the model 201-1000 that Jinan Ying Yu Chemical Co., Ltd.s provide in embodiment Silicone oil, 25 DEG C of kinematic viscosity are 1000m2/s。
Poly alpha olefin in embodiment, using number of patent application:In 02817015.6 prepared by the method for embodiment 1.
100N base oils in embodiment, the 100N base oils of Hainan connection limited energy company in, physical and chemical index is such as Under:Kinematic viscosity (40 DEG C) 19.67mm2/ s, 218 DEG C of flash-point, viscosity index (VI) 124, -22.5 DEG C of pour point.
Embodiment 1
The environment-protection energy-saving lubricant oil raw material of graphene-containing:The fully synthetic engine oil 300kg of 5W/40SN, calcium salicylate are peace and quiet Agent 5.5kg, graphene 3kg, glyceryl monostearate 4kg, dodecenylsuccinic acid 4kg, dimethicone 0.35kg.
The preparation method of the environment-protection energy-saving lubricant oil of above-mentioned graphene-containing:By calcium salicylate detersive, graphene, stearic acid Monoglyceride, dodecenylsuccinic acid, dimethicone are added in the fully synthetic engine oils of 5W/40SN, are heated to 55 DEG C, to turn Speed is that 300r/min stirrings 25min is uniformly mixed, and is cooled to room temperature 25 DEG C to obtain the final product.
Embodiment 2
The environment-protection energy-saving lubricant oil raw material of graphene-containing:Poly alpha olefin 250kg, 100N base oil 50kg, calcium salicylate are clear Net agent 5.5kg, functionalization graphene 3kg, glyceryl monostearate 4kg, dodecenylsuccinic acid 4kg, dimethicone 0.35kg。
The preparation method of the functionalization graphene is:Graphene is added to the ethanol water of 10 times of graphene weight Middle ultrasonic disperse 20min, the mass fraction of ethyl alcohol is 55% in the ethanol water, obtains dispersion liquid;With 0.1mol/L's Hydrochloric acid adjusts the pH to 3.1 of dispersion liquid, adds triacetoxyl group (3- mercaptopropyis) silane, triacetoxyl group (the 3- mercaptos Base propyl) silane addition be graphene weight 10%, at being 70 DEG C in temperature with rotating speed be 300r/min stir 3h, with Rotating speed is that 6000r/min centrifuges 20min, and will be deposited in temperature is dry 10h, the graphite after being surface-treated at 70 DEG C Alkene;It is 1 in mass ratio by graphene, antioxidant GM, the toluene after surface treatment:0.13:Ultrasonic disperse 20min after 10 mixing, 80 DEG C are again heated to, the N of the graphene weight 0.2% after surface treatment is added, N- dimethyl benzylamines are 300r/min with rotating speed Stir 2h, be that 6000r/min centrifuges 20min with rotating speed, will be deposited in temperature be at 70 DEG C dry 10h to get functionalization Graphene.Wherein, the ultrasonic power of the ultrasonic disperse is 300W, supersonic frequency 35kHz.
The preparation method of the environment-protection energy-saving lubricant oil of above-mentioned graphene-containing:By calcium salicylate detersive, functionalization graphene, Glyceryl monostearate, dodecenylsuccinic acid, dimethicone, 100N base oils are added in poly alpha olefin, are heated to 55 DEG C, Be that 300r/min stirrings 25min is uniformly mixed with rotating speed, be cooled to room temperature 25 DEG C to obtain the final product.
Embodiment 3
The environment-protection energy-saving lubricant oil raw material of graphene-containing:Poly alpha olefin 250kg, 100N base oil 50kg, calcium salicylate are clear Net agent 5.5kg, graphene 3kg, glyceryl monostearate 4kg, dodecenylsuccinic acid 4kg, dimethicone 0.35kg.
The preparation method of the environment-protection energy-saving lubricant oil of above-mentioned graphene-containing:By calcium salicylate detersive, graphene, stearic acid Monoglyceride, dodecenylsuccinic acid, dimethicone, 100N base oils are added in poly alpha olefin, 55 DEG C are heated to, with rotating speed 25min is stirred for 300r/min to be uniformly mixed, be cooled to room temperature 25 DEG C to obtain the final product.
Embodiment 4
The environment-protection energy-saving lubricant oil raw material of graphene-containing:Poly alpha olefin 250kg, 100N base oil 50kg, calcium salicylate are clear Net agent 5.5kg, functionalization graphene 3kg, glyceryl monostearate 4kg, octyl- 7- alkenyl succinic acids 4kg, dimethicone 0.35kg。
The preparation method of the functionalization graphene is:Graphene is added to the ethanol water of 10 times of graphene weight Middle ultrasonic disperse 20min, the mass fraction of ethyl alcohol is 55% in the ethanol water, obtains dispersion liquid;With 0.1mol/L's Hydrochloric acid adjusts the pH to 3.1 of dispersion liquid, adds triacetoxyl group (3- mercaptopropyis) silane, triacetoxyl group (the 3- mercaptos Base propyl) silane addition be graphene weight 10%, at being 70 DEG C in temperature with rotating speed be 300r/min stir 3h, with Rotating speed is that 6000r/min centrifuges 20min, and will be deposited in temperature is dry 10h, the graphite after being surface-treated at 70 DEG C Alkene;It is 1 in mass ratio by graphene, antioxidant GM, the toluene after surface treatment:0.13:Ultrasonic disperse 20min after 10 mixing, 80 DEG C are again heated to, the N of the graphene weight 0.2% after surface treatment is added, N- dimethyl benzylamines are 300r/min with rotating speed Stir 2h, be that 6000r/min centrifuges 20min with rotating speed, will be deposited in temperature be at 70 DEG C dry 10h to get functionalization Graphene.Wherein, the ultrasonic power of the ultrasonic disperse is 300W, supersonic frequency 35kHz.
The preparation method of the environment-protection energy-saving lubricant oil of above-mentioned graphene-containing:By calcium salicylate detersive, functionalization graphene, Glyceryl monostearate, octyl- 7- alkenyl succinic acids, dimethicone, 100N base oils are added in poly alpha olefin, are heated to 55 DEG C, be that 300r/min stirrings 25min is uniformly mixed with rotating speed, be cooled to room temperature 25 DEG C to obtain the final product.
Embodiment 5
The environment-protection energy-saving lubricant oil raw material of graphene-containing:Poly alpha olefin 250kg, 100N base oil 50kg, calcium salicylate are clear Net agent 5.5kg, functionalization graphene 3kg, glyceryl monostearate 4kg, dodecenylsuccinic acid 3kg, octyl- 7- alkenyl succinic acids 1kg, dimethicone 0.35kg.
The preparation method of the functionalization graphene is:Graphene is added to the ethanol water of 10 times of graphene weight Middle ultrasonic disperse 20min, the mass fraction of ethyl alcohol is 55% in the ethanol water, obtains dispersion liquid;With 0.1mol/L's Hydrochloric acid adjusts the pH to 3.1 of dispersion liquid, adds triacetoxyl group (3- mercaptopropyis) silane, triacetoxyl group (the 3- mercaptos Base propyl) silane addition be graphene weight 10%, at being 70 DEG C in temperature with rotating speed be 300r/min stir 3h, with Rotating speed is that 6000r/min centrifuges 20min, and will be deposited in temperature is dry 10h, the graphite after being surface-treated at 70 DEG C Alkene;It is 1 in mass ratio by graphene, antioxidant GM, the toluene after surface treatment:0.13:Ultrasonic disperse 20min after 10 mixing, 80 DEG C are again heated to, the N of the graphene weight 0.2% after surface treatment is added, N- dimethyl benzylamines are 300r/min with rotating speed Stir 2h, be that 6000r/min centrifuges 20min with rotating speed, will be deposited in temperature be at 70 DEG C dry 10h to get functionalization Graphene.Wherein, the ultrasonic power of the ultrasonic disperse is 300W, supersonic frequency 35kHz.
The preparation method of the environment-protection energy-saving lubricant oil of above-mentioned graphene-containing:By calcium salicylate detersive, functionalization graphene, Poly- α-alkene is added in glyceryl monostearate, dodecenylsuccinic acid, octyl- 7- alkenyl succinic acids, dimethicone, 100N base oils It in hydrocarbon, is heated to 55 DEG C, is that 300r/min stirrings 25min is uniformly mixed with rotating speed, is cooled to room temperature 25 DEG C to obtain the final product.To graphitiferous The wear scar diameter of the environment-protection energy-saving lubricant oil of alkene, antioxygen property, bearing capacity are tested, and result is:Four ball milling traces are a diameter of 0.34mm, oxidization time 291min, sintering load PDFor 2476N.
Test case 1
The wear scar diameter, antioxygen property, bearing capacity of the environment-protection energy-saving lubricant oil of the graphene-containing of embodiment 1-4 are carried out Test, specific test result are shown in Table 1.
Table 1:The performance test results table
The present invention reduces the intermolecular force between graphene layer, reduces by carrying out functionalization to graphene The stacking of lamella, changes the characteristic that graphene attracts each other, and efficiently solves the problem of graphene is reunited, is conducive to graphite Dispersion of the alkene in lubricating oil, therefore there is good stability after lubricating oil is made, while there is fine antioxygenic property;System The lubricating oil obtained gets a promotion in greasy property, and abrasion resistance is excellent, and energy increasing service life of engine is realized and saves fuel oil, Discharge is reduced, it is more environmentally-friendly.

Claims (10)

1. a kind of environment-protection energy-saving lubricant oil of graphene-containing, which is characterized in that be prepared by the raw material of following weight parts:Basis 200-400 parts oily, 4-10 parts of detersive, 1-5 parts of graphene, 2-6 parts of dispersant, 2-6 parts of antirust agent, 0.1-0.5 parts of antifoaming agent.
2. a kind of environment-protection energy-saving lubricant oil of graphene-containing, which is characterized in that be prepared by the raw material of following weight parts:Basis 200-400 parts oily, 4-10 parts of detersive, 1-5 parts of functionalization graphene, 2-6 parts of dispersant, 2-6 parts of antirust agent, antifoaming agent 0.1- 0.5 part.
3. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 2, it is characterised in that:The base oil is 5W/ The fully synthetic engine oils of 40SN or the fully synthetic engine oils of 0W/40SN or 100N base oils or GTL-4 base oils or poly alpha olefin In it is one or more.
4. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 2, which is characterized in that the functionalization graphene Preparation method be:Graphene is added to ultrasonic disperse 15-25min in the ethanol water of 5-15 times of graphene weight, institute The mass fraction for stating ethyl alcohol in ethanol water is 50-60%, obtains dispersion liquid;It is adjusted and is divided with the hydrochloric acid of 0.05-0.15mol/L The pH to 2.9-3.3 of dispersion liquid adds triacetoxyl group (3- mercaptopropyis) silane, the triacetoxyl group (3- mercaptopropyis) The addition of silane is the 5-15% of graphene weight, stirs 2-5h at being 65-75 DEG C in temperature, centrifuges, will be deposited in Temperature is dry 8-12h, the graphene after being surface-treated at 65-75 DEG C;By graphene, the antioxidant after surface treatment GM, toluene are 1 in mass ratio:(0.08-0.2):Ultrasonic disperse 15-25min after (5-15) mixing, is again heated to 75-85 DEG C, adds Enter the N of the graphene weight 0.1-0.3% after surface treatment, N- dimethyl benzylamines stir 1-3h, centrifuge, will be deposited in Temperature is to dry 8-12h at 65-75 DEG C to obtain the final product.
5. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 4, it is characterised in that:The ultrasonic disperse surpasses Acoustical power is 200-500W, supersonic frequency 20-40kHz.
6. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 2, it is characterised in that:The detersive is sulfonic acid Calcium detersive or calcium salicylate detersive.
7. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 2, it is characterised in that:The dispersant is tristearin Sour monoglyceride or neopelex or stearic acid.
8. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 2, it is characterised in that:The antirust agent is 12 Alkenyl succinic acid and/or octyl- 7- alkenyl succinic acids.
9. the environment-protection energy-saving lubricant oil of graphene-containing according to claim 2, it is characterised in that:The antifoaming agent is diformazan Base silicone oil or polyethers antifoaming agent.
10. according to the preparation method of the environment-protection energy-saving lubricant oil of any one of the claim 1-9 graphene-containings:It will be peace and quiet Agent, functionalization graphene, dispersant, antirust agent, antifoaming agent are added in base oil, are heated to 45-65 DEG C, are 200- with rotating speed 500r/min stirs 15-35min and is uniformly mixed, and is cooled to room temperature to obtain the final product.
CN201810461974.8A 2018-05-15 2018-05-15 Environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof Pending CN108517244A (en)

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Application publication date: 20180911