CN108441288A - A kind of novel lubricating oil additive and preparation method thereof - Google Patents
A kind of novel lubricating oil additive and preparation method thereof Download PDFInfo
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- CN108441288A CN108441288A CN201810407186.0A CN201810407186A CN108441288A CN 108441288 A CN108441288 A CN 108441288A CN 201810407186 A CN201810407186 A CN 201810407186A CN 108441288 A CN108441288 A CN 108441288A
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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
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/18—Ammonia
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- 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
- C10M2215/08—Amides
-
- 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
- C10M2227/00—Organic 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
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/065—Organic compounds derived from inorganic acids or metal salts derived from Ti or Zr
-
- 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
- C10N2030/40—Low content or no content compositions
- C10N2030/42—Phosphor free or low phosphor content compositions
-
- 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
- C10N2030/40—Low content or no content compositions
- C10N2030/43—Sulfur free or low sulfur content compositions
Abstract
A kind of novel lubricating oil additive of present invention offer and preparation method thereof, is prepared by following component：Hydrotalcite precursor, graphene, molybdenum oxide, tungstic acid, mixing amide, fatty amine, organic titanate, water-soluble silicate, ammonium hydroxide and organic solvent.Additive prepared by the present invention can be very good to incorporate in lubricating oil, effectively increase the wear-resistant anti-extreme pressure energy of lubricating oil, not sulfur-bearing, phosphorus in raw material so that it also has the advantages that energy conservation and environmental protection.
Description
Technical field
The invention belongs to technical field of lubricating oil, and in particular to a kind of novel lubricating oil additive and preparation method thereof.
Background technology
The main component of lubricating oil includes lubricating base oil and a variety of organic or inorganics, liquid or solid lubricating oil addition
This two large divisions of agent, they compound corresponding lubricating oil is made according to a certain percentage.Lubricating base oil is broadly divided into mineral base
Plinth oil, synthetic base oil and plant oil base oil three categories.With the development of technology, more and more parts of appliance will be more
Work under harsh operating mode, thus synthetic lubricant fluid due to its thermal oxidation stability it is good, heat decomposition temperature is high, and resistance to low temperature is good
The advantages that, it has also become the base oil component for the lubricating oil that must be used under many special operation conditions.
Additive is one of most important component part in lubricating oil, and the function of being directly related to friction means is realized and effect
It can stablize.Traditional lube oil additive is sulphur, phosphorus or chlorine type antiwear additive, and such additive has corrosivity to friction pair material
And selectivity.The especially lube oil additive of the elements such as sulfur-bearing, phosphorus or chlorine can discharge a large amount of during production, use
Waste water, exhaust gas and pollutant, to pollute the environment.
In summary, it is therefore desirable to a kind of better lube oil additive, to improve the deficiencies in the prior art.
Invention content
The object of the present invention is to provide a kind of novel lubricating oil additive and preparation method thereof, additive prepared by the present invention
It can be very good to incorporate in lubricating oil, effectively increase the wear-resistant anti-extreme pressure energy of lubricating oil, not sulfur-bearing, phosphorus in raw material so that
It also has the advantages that energy conservation and environmental protection.
The present invention provides the following technical solutions：
A kind of novel lubricating oil additive, includes the raw material of following parts by weight：15-22 parts of hydrotalcite precursor, graphene 18-27
Part, 13-19 parts of molybdenum oxide, 12-18 parts of tungstic acid, 11-16 parts of amide of mixing, 8-13 parts of fatty amine, organic titanate 6-11
Part, 12-16 parts of water-soluble silicate, 4-8 parts of ammonium hydroxide and 4-9 parts of organic solvent.
Preferably, the additive includes the raw material of following parts by weight：18-22 parts of hydrotalcite precursor, graphene 18-25
Part, 15-19 parts of molybdenum oxide, 12-17 parts of tungstic acid, 14-16 parts of amide of mixing, 10-13 parts of fatty amine, organic titanate 6-8
Part, 12-15 parts of water-soluble silicate, 5-8 parts of ammonium hydroxide and 6-9 parts of organic solvent.
Preferably, the additive includes the raw material of following parts by weight：21 parts of hydrotalcite precursor, 23 parts of graphene, oxidation
17 parts of molybdenum, 16 parts of tungstic acid, 16 parts of amide of mixing, 10 parts of fatty amine, 8 parts of organic titanate, 14 parts of water-soluble silicate, ammonia
8 parts of 7 parts of water and organic solvent.
A kind of preparation method of novel lubricating oil additive, including following preparation process：
A, graphene, molybdenum oxide and tungstic acid are mixed and is imported in ball mill, mixing and ball milling 2-3h, then be placed under ultrasound and vibrate
It is dispersed into nano particle, obtains nano-mixture；
B, mixing amide, nano-mixture and hydrotalcite precursor are mixed, imports in batch mixer, heats and stir at 80-90 DEG C
20-30min is reacted, mixing speed 200-300r/min adds ammonium hydroxide, cool the temperature to room temperature, is stirred to react 1- later
2h obtains mixture one；
C, fatty amine, water-soluble silicate are added into mixture one, imports in blender, mixes 15- under magnetic stirring
25min, filtering removal sediment, obtains mixture two；
D, organic titanate, organic solvent are added into mixture two, in the condition that temperature is 65-75 DEG C, pressure is 2-4MPa
Under be stirred to react 2-3h, then be warming up to 95-100 DEG C, be placed under vacuum environment, extract low-boiling point material out, through filtering, you can obtain
Finished product.
Preferably, the preparation method of the mixing amide of the step b is：Tall oil and diethanol amine are placed in container,
It vacuumizes, is again heated to 90-100 DEG C, react 2-3h, add methyl oleate, adjustment pH value is passed through nitrogen to 9-10, heats up
To 105-110 DEG C, the reaction was continued 3-4h, after being cooled to room temperature, you can obtain mixing amide.
Preferably, the preparation method of the hydrotalcite precursor of the step b is：By M2+With M3+It is uniformly mixed in aqueous solution,
Then alkali compounds is added, adjusting pH value of solution is 10-11, and crystallization 5-8h under being heated at 70-85 DEG C centrifuges product,
Solids is filtered to take, solids is washed to neutrality, you can obtain hydrotalcite precursor.
Preferably, the fatty amine of the step c is ethylamine, n-butylamine, n-hexyl amine, dodecyl amine, diethyl
The mixing of alkene triamine and triethylene tetramine any one or more of.
Preferably, the organic solvent of the step d is methanol, petroleum ether, ethyl alcohol, toluene, ethyl acetate and carbon tetrachloride
The mixing of any one or more of.
The beneficial effects of the invention are as follows：
Additive prepared by the present invention can be very good to incorporate in lubricating oil, effectively increase the wear-resistant anti-extreme pressure of lubricating oil
Can, not sulfur-bearing, phosphorus or chlorine type additive in raw material have corrosivity, choosing so as to avoid conventional additive to friction pair material
Selecting property and the problems such as pollute the environment so that the present invention also has the advantages that energy conservation and environmental protection.
Nano-mixture and hydrotalcite precursor prepared by the present invention, the variation that hydrotalcite precursor can be rolled into a ball according to zwitterion
Adjust interlamellar spacing, have the characteristics that quantity can modulation, intercalation assembly grain size and be distributed it is regulatable, by hydrotalcite
Nano-particle is added in precursor, so that resistance to compression, wear-resisting nano-particle is entered between the hydrotalcite layers of stratiform and graphene layer, is made to resist
Pressure, abrasion-proof particle can be uniformly dispersed in system, and be incorporated in lubricating oil well, and the wear-resistant of lubricating oil is effectively increased
Anti-extreme pressure energy.
Specific implementation mode
Embodiment 1
A kind of novel lubricating oil additive, includes the raw material of following parts by weight：15 parts of hydrotalcite precursor, 18 parts of graphene, oxidation
19 parts of molybdenum, 18 parts of tungstic acid, 16 parts of amide of mixing, 13 parts of fatty amine, 6 parts of organic titanate, 16 parts of water-soluble silicate, ammonia
4 parts of 8 parts of water and organic solvent.
A kind of preparation method of novel lubricating oil additive, including following preparation process：
A, graphene, molybdenum oxide and tungstic acid are mixed and is imported in ball mill, mixing and ball milling 2h, then it is placed in oscillation point under ultrasound
Nano particle is dissipated into, nano-mixture is obtained；
B, mixing amide, nano-mixture and hydrotalcite precursor are mixed, imports in batch mixer, heats and be stirred to react at 90 DEG C
20min, mixing speed 200r/min, adds ammonium hydroxide later, cools the temperature to room temperature, is stirred to react 2h, obtains mixture
One；
C, fatty amine, water-soluble silicate are added into mixture one, imports in blender, mixes 25min under magnetic stirring,
Filtering removal sediment, obtains mixture two；
D, organic titanate, organic solvent are added into mixture two, is stirred under conditions of temperature is 75 DEG C, pressure is 2MPa
2h is reacted, then is warming up to 100 DEG C, is placed under vacuum environment, extracts low-boiling point material out, through filtering, you can obtain finished product.
The preparation method of the mixing amide of step b is：Tall oil and diethanol amine are placed in container, vacuumized, then is added
Heat reacts 3h, adds methyl oleate to 90 DEG C, and adjustment pH value is passed through nitrogen, is warming up to 110 DEG C to 9, the reaction was continued 3h, cold
But to after room temperature, you can obtain mixing amide.
The preparation method of the hydrotalcite precursor of step b is：By M2+With M3+It is uniformly mixed in aqueous solution, alkali is then added
Property compound, adjust pH value of solution be 11, at 70 DEG C heat under crystallization 8h, product is centrifuged, solids is filtered to take, will be consolidated
Body object is washed to neutrality, you can obtains hydrotalcite precursor.
The fatty amine of step c is the mixing of ethylamine, n-butylamine, n-hexyl amine and triethylene tetramine.
The organic solvent of step d is the mixing of toluene, ethyl acetate and carbon tetrachloride.
Embodiment 2
A kind of novel lubricating oil additive, includes the raw material of following parts by weight：18 parts of hydrotalcite precursor, 18 parts of graphene, oxidation
15 parts of molybdenum, 12 parts of tungstic acid, 16 parts of amide of mixing, 10 parts of fatty amine, 6 parts of organic titanate, 15 parts of water-soluble silicate, ammonia
6 parts of 5 parts of water and organic solvent.
A kind of preparation method of novel lubricating oil additive, including following preparation process：
A, graphene, molybdenum oxide and tungstic acid are mixed and is imported in ball mill, mixing and ball milling 2h, then it is placed in oscillation point under ultrasound
Nano particle is dissipated into, nano-mixture is obtained；
B, mixing amide, nano-mixture and hydrotalcite precursor are mixed, imports in batch mixer, heats and be stirred to react at 80 DEG C
20min, mixing speed 200r/min, adds ammonium hydroxide later, cools the temperature to room temperature, is stirred to react 1h, obtains mixture
One；
C, fatty amine, water-soluble silicate are added into mixture one, imports in blender, mixes 15min under magnetic stirring,
Filtering removal sediment, obtains mixture two；
D, organic titanate, organic solvent are added into mixture two, is stirred under conditions of temperature is 65 DEG C, pressure is 2MPa
2h is reacted, then is warming up to 95 DEG C, is placed under vacuum environment, extracts low-boiling point material out, through filtering, you can obtain finished product.
The preparation method of the mixing amide of step b is：Tall oil and diethanol amine are placed in container, vacuumized, then is added
Heat reacts 2h, adds methyl oleate to 90 DEG C, and adjustment pH value is passed through nitrogen, is warming up to 105 DEG C to 9, the reaction was continued 3h, cold
But to after room temperature, you can obtain mixing amide.
The preparation method of the hydrotalcite precursor of step b is：By M2+With M3+It is uniformly mixed in aqueous solution, alkali is then added
Property compound, adjust pH value of solution be 11, at 70 DEG C heat under crystallization 5h, product is centrifuged, solids is filtered to take, will be consolidated
Body object is washed to neutrality, you can obtains hydrotalcite precursor.
The fatty amine of step c is the mixing of n-hexyl amine, dodecyl amine, diethylenetriamine and triethylene tetramine.
The organic solvent of step d is the mixing of methanol, petroleum ether and carbon tetrachloride.
Embodiment 3
A kind of novel lubricating oil additive, includes the raw material of following parts by weight：21 parts of hydrotalcite precursor, 23 parts of graphene, oxidation
17 parts of molybdenum, 16 parts of tungstic acid, 16 parts of amide of mixing, 10 parts of fatty amine, 8 parts of organic titanate, 14 parts of water-soluble silicate, ammonia
8 parts of 7 parts of water and organic solvent.
A kind of preparation method of novel lubricating oil additive, including following preparation process：
A, graphene, molybdenum oxide and tungstic acid are mixed and is imported in ball mill, mixing and ball milling 3h, then it is placed in oscillation point under ultrasound
Nano particle is dissipated into, nano-mixture is obtained；
B, mixing amide, nano-mixture and hydrotalcite precursor are mixed, imports in batch mixer, heats and be stirred to react at 80 DEG C
20min, mixing speed 300r/min, adds ammonium hydroxide later, cools the temperature to room temperature, is stirred to react 2h, obtains mixture
One；
C, fatty amine, water-soluble silicate are added into mixture one, imports in blender, mixes 25min under magnetic stirring,
Filtering removal sediment, obtains mixture two；
D, organic titanate, organic solvent are added into mixture two, is stirred under conditions of temperature is 75 DEG C, pressure is 4MPa
3h is reacted, then is warming up to 100 DEG C, is placed under vacuum environment, extracts low-boiling point material out, through filtering, you can obtain finished product.
The preparation method of the mixing amide of step b is：Tall oil and diethanol amine are placed in container, vacuumized, then is added
Heat reacts 3h, adds methyl oleate to 100 DEG C, and adjustment pH value is passed through nitrogen, is warming up to 110 DEG C to 10, the reaction was continued 4h,
After being cooled to room temperature, you can obtain mixing amide.
The preparation method of the hydrotalcite precursor of step b is：By M2+With M3+It is uniformly mixed in aqueous solution, alkali is then added
Property compound, adjust pH value of solution be 11, at 85 DEG C heat under crystallization 8h, product is centrifuged, solids is filtered to take, will be consolidated
Body object is washed to neutrality, you can obtains hydrotalcite precursor.
The fatty amine of step c is the mixing of ethylamine, dodecyl amine and triethylene tetramine.
The organic solvent of step d is the mixing of methanol, ethyl acetate and carbon tetrachloride.
Finished product prepared by above example is detected, following detection data is obtained：
Table one：
| Project | Friction coefficient | Place 30 days dispersibilities | Place 30 days mobility |
| Embodiment 1 | 0.064 | Very well | Very well |
| Embodiment 2 | 0.063 | Very well | Very well |
| Embodiment 3 | 0.066 | Very well | Very well |
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments
Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute
The technical solution of record is modified or equivalent replacement of some of the technical features.It is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of novel lubricating oil additive, which is characterized in that include the raw material of following parts by weight：15-22 parts of hydrotalcite precursor,
It is 18-27 parts of graphene, 13-19 parts of molybdenum oxide, 12-18 parts of tungstic acid, 11-16 parts of amide of mixing, 8-13 parts of fatty amine, organic
4-9 parts of 6-11 parts of titanate esters, 12-16 parts of water-soluble silicate, 4-8 parts of ammonium hydroxide and organic solvent.
2. a kind of novel lubricating oil additive according to claim 1, which is characterized in that the additive includes following heavy
Measure the raw material of part：18-22 parts of hydrotalcite precursor, 18-25 parts of graphene, 15-19 parts of molybdenum oxide, 12-17 parts of tungstic acid, mixing
14-16 parts of amide, 10-13 parts of fatty amine, 6-8 parts of organic titanate, 12-15 parts of water-soluble silicate, 5-8 parts of ammonium hydroxide and organic
6-9 parts of solvent.
3. a kind of novel lubricating oil additive according to claim 1, which is characterized in that the additive includes following heavy
Measure the raw material of part：21 parts of hydrotalcite precursor, 23 parts of graphene, 17 parts of molybdenum oxide, 16 parts of tungstic acid, 16 parts of amide of mixing, fat
8 parts of 10 parts of fat amine, 8 parts of organic titanate, 14 parts of water-soluble silicate, 7 parts of ammonium hydroxide and organic solvent.
4. a kind of preparation method of novel lubricating oil additive of claim 1-3 any one of them, which is characterized in that including with
Lower preparation process：
A, graphene, molybdenum oxide and tungstic acid are mixed and is imported in ball mill, mixing and ball milling 2-3h, then be placed under ultrasound and vibrate
It is dispersed into nano particle, obtains nano-mixture；
B, mixing amide, nano-mixture and hydrotalcite precursor are mixed, imports in batch mixer, heats and stir at 80-90 DEG C
20-30min is reacted, mixing speed 200-300r/min adds ammonium hydroxide, cool the temperature to room temperature, is stirred to react 1- later
2h obtains mixture one；
C, fatty amine, water-soluble silicate are added into mixture one, imports in blender, mixes 15- under magnetic stirring
25min, filtering removal sediment, obtains mixture two；
D, organic titanate, organic solvent are added into mixture two, in the condition that temperature is 65-75 DEG C, pressure is 2-4MPa
Under be stirred to react 2-3h, then be warming up to 95-100 DEG C, be placed under vacuum environment, extract low-boiling point material out, through filtering, you can obtain
Finished product.
5. a kind of preparation method of novel lubricating oil additive according to claim 4, which is characterized in that the step b
The preparation method of mixing amide be：Tall oil and diethanol amine are placed in container, vacuumized, is again heated to 90-100 DEG C,
2-3h to be reacted, adds methyl oleate, adjustment pH value is passed through nitrogen, is warming up to 105-110 DEG C to 9-10, the reaction was continued 3-4h,
After being cooled to room temperature, you can obtain mixing amide.
6. a kind of preparation method of novel lubricating oil additive according to claim 4, which is characterized in that the step b
The preparation method of hydrotalcite precursor be：By M2+With M3+It is uniformly mixed in aqueous solution, alkali compounds is then added, adjust
PH value of solution is 10-11, and product is centrifuged, filter to take solids, solids is washed by crystallization 5-8h under being heated at 70-85 DEG C
It washs to neutrality, you can obtain hydrotalcite precursor.
7. a kind of preparation method of novel lubricating oil additive according to claim 4, which is characterized in that the step c
Fatty amine be ethylamine, n-butylamine, n-hexyl amine, dodecyl amine, diethylenetriamine and triethylene tetramine in appoint
One or more mixing.
8. a kind of preparation method of novel lubricating oil additive according to claim 4, which is characterized in that the step d
Organic solvent be methanol, petroleum ether, ethyl alcohol, toluene, ethyl acetate and carbon tetrachloride any one or more of mixing.
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| CN110016379A (en) * | 2018-12-12 | 2019-07-16 | 山西大同大学 | A kind of modified graphene lubricating oil and preparation method thereof |
| CN112662451A (en) * | 2021-02-21 | 2021-04-16 | 胡朝清 | Lubricating oil additive and preparation method thereof |
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Application publication date: 20180824 |