CN108410540A - Nano zine oxide composite antioxidant material and its preparation method and application - Google Patents
Nano zine oxide composite antioxidant material and its preparation method and application Download PDFInfo
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- CN108410540A CN108410540A CN201810123347.3A CN201810123347A CN108410540A CN 108410540 A CN108410540 A CN 108410540A CN 201810123347 A CN201810123347 A CN 201810123347A CN 108410540 A CN108410540 A CN 108410540A
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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
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/081—Inorganic acids or salts thereof containing halogen
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/14—Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/124—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms containing hydroxy groups; Ethers thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—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
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- 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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/055—Particles related characteristics
- C10N2020/06—Particles of special shape or size
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- 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
-
- 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
- C10N2030/72—Extended drain
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Abstract
The invention belongs to technical field of lubricating oil, are related to a kind of nano zine oxide composite antioxidant material, and the composite antioxidant material is mainly made of following raw material：0.3~2 part of zinc chloride, 10~25 parts of distilled water, 0.1 ~ 0.8 part of sodium hydroxide, 1~5 part of organic antioxidant, 0.5~5 part of aminated compounds, 50~80 parts of ethyl alcohol.The present invention also provides the preparation methods of above-mentioned nano zine oxide composite antioxidant material, and it is added in lubricating oil as antioxidant, the antioxidant capacity of lubricating oil can be significantly improved, effectively inhibit the increase of oil product acid value and viscosity, extend the drain period, economic benefit is improved, there is fabulous application prospect.
Description
Technical field
The invention belongs to lube oil additive technical fields, and in particular to a kind of nano zine oxide composite antioxidant material and
Preparation method and application as antioxidant for lubricant oil.
Background technology
Oil ageing stability is to evaluate one of the important indicator of lubricants performance.Because lubricating oil is in the mistake used
Cheng Zhong is influenced by factors such as ambient oxygen, temperature and catalytic action of metal ion, is easy to happen oxidation deterioration, its profit is caused
Slip can drastically decline.Therefore, it is necessary to add antioxidant to improve the oxidation stability of oil product, prevent oil oxidation, extension from changing
The oily period protects equipment.
As quality of lubrication oil grade is continuously improved, increase in control viscosity, reduce deposit and reduce abrasion etc.
Rigors, more stringent requirements are proposed for performance and thermal stability to antioxidant etc..In lubricating oil, people is studied
Member develops the effective antioxidant of several classes, and main species include shielding phenolic compounds and aminated compounds, and phenols and amine are all
It is organic antioxidant, thermal stability is poor.In the case of friction secondary localized hyperthermia, organic antioxidant, which can volatilize, even to be occurred
It decomposes, therefore researching high-temperature antioxidant becomes a kind of inexorable trend.Inorganic material such as zinc oxide, cerium oxide etc. have preferable heat
Stability and chemical inertness, it may have remove the ability of free radical, antioxidant can be used as to be carried out in macromolecule and biological field
Using；But its as antioxidant in lubricating oil in use, antioxidant capacity is poor, the requirement of commercial Application cannot be met.
Invention content
It is an object of the invention to overcome prior art defect, a kind of nano zine oxide composite antioxidant material is provided,
It solves the problems, such as that existing antioxidant exists in use, is added in lubricating oil as antioxidant, stably dispersing
Property it is good, and the oxidation stability of lubricating oil at high temperature can be significantly improved, extend the service life of lubricating oil, had wide
Wealthy application prospect.
It is anti-as lubricating oil with it that the present invention also provides the preparation methods of above-mentioned nano zine oxide composite antioxidant material
The application of oxygen agent.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of nano zine oxide composite antioxidant material, surface of nanometer zinc oxide is connected to by dressing agent of organic antioxidant；
The composite antioxidant material is mainly made of following raw material：
0.3~2 part of zinc chloride,
10~25 parts of distilled water,
0.1 ~ 0.8 part of sodium hydroxide,
1~5 part of organic antioxidant,
0.5~5 part of aminated compounds,
50~80 parts of ethyl alcohol.
The preparation method of above-mentioned nano zine oxide composite antioxidant material, specifically includes following steps：
1）Each raw material is taken in proportion, zinc chloride is dissolved in appropriate distilled water and forms solution A, and sodium hydroxide is dissolved in surplus distillation
Solution B is formed in water, solution A and solution B are mixed, and through filtering, washing obtains white solid product a；
2）Step 1）Obtained solid product a is uniformly dispersed with ethanol in proper amount, and organic antioxidant is then added, is stirred to react, obtains
Product as light yellow solid b；
3）Step 2）Obtained solid product b and surplus ethyl alcohol mixing（20~40min generally is stirred at room temperature）Afterwards, it is added
Aminated compounds reacts 4~15h in 40~60 DEG C；It centrifuges after reaction, takes solid, it is to obtain the final product husky after washed, dry
Yellow solid product.
Specifically, step 1）In, mixing carries out at room temperature, and the mixing time is 5~30 min.
Specifically, step 2）In, it is stirred to react and carries out at room temperature, it is 0.5~5h to be stirred to react the time.
Application the present invention also provides above-mentioned nano zine oxide composite antioxidant material as antioxidant for lubricant oil.This hair
In bright, organic antioxidant, aminated compounds use this field conventional kind.Specifically, organic antioxidant can be containing
The Hinered phenols antioxidant of reactive functionality, e.g., 3- (3,5- di-tert-butyl-hydroxy phenyl) methyl propionate, 3- (3,5- bis- uncles
Butyl -4- hydroxy phenyls) propionic acid etc.；Aminated compounds can be organic amine compound, such as tetraethyl ammonium hydroxide, the tetrabutyl
Ammonium hydroxide, tetrapropylammonium hydroxide etc..
For the present invention using organic antioxidant as dressing agent, it is organic anti-that a kind of surface modification is prepared in the method through in-situ modification
The nano-zinc oxide composite material of oxygen agent molecule；It is added in lubricating oil as antioxidant, dispersion stabilization is good, and
The oxidation stability of lubricating oil at high temperature can be significantly improved, the service life of lubricating oil is extended, before there is wide application
Scape.Compared to the prior art, the invention has the advantages that：
1）Organic antioxidant and inorganic nano zinc oxide are combined with each other by the present invention, improve its thermal stability, are prepared
Novel nanometer antioxidant；
2）Organic antioxidant is connected to surface of nanometer zinc oxide by the present invention, due to depositing for organic antioxygen dressing agent
Dispersion stabilization of the nano zine oxide in lubricating oil can improved；
3）The present invention provides the preparation methods of organic antioxidant and nano-zinc oxide composite material, and add as antioxidant
It is added in lubricating oil, oil ageing stability can be significantly improved, extend the drain period, increase economic efficiency, have
Fabulous application prospect；
4）Preparation process equipment of the present invention is simple, raw material is cheap and easy to get, at low cost, and yield is high, is suitble to large-scale industrial production.
Description of the drawings
Fig. 1 is the optical photograph that the embodiment of the present invention 1 prepares gained nano zine oxide composite antioxidant material；
Fig. 2 is the transmission electron microscope photo that the embodiment of the present invention 1 prepares gained nano zine oxide composite antioxidant material；
Fig. 3 is the optical photograph that the embodiment of the present invention 1 prepares that gained nano zine oxide composite antioxidant material disperses in DIOS；
Fig. 4 is that nano zine oxide composite antioxidant material obtained by prepared by the embodiment of the present invention 1 is tested by rotary oxygen bomb
Oxidation induction time under different content.
Specific implementation mode
The present invention is specifically described with reference to specific embodiment, it is necessary to which indicated herein is that the present embodiment is only used
In invention is further explained, it should not be understood as limiting the scope of the invention.Those skilled in the art according to
The content of aforementioned present invention makes some nonessential modifications and adaptations, is accordingly to be regarded as within the scope of the present invention.
In following embodiments, each raw material dosage is in parts by weight.
Embodiment 1
A kind of nano zine oxide composite antioxidant material, the composite antioxidant material are made of following raw material：Chlorination
0.3 part of zinc, 15 parts of distilled water, 0.5 part of sodium hydroxide, Hinered phenols organic antioxidant 3- (3,5- di-t-butyl -4- hydroxy benzenes
Base) 3 parts of propionic acid, 5 parts of organic amine compound tetraethyl ammonium hydroxide, 70 parts of ethyl alcohol.
The preparation method of the nano zine oxide composite antioxidant material of above-mentioned organic antioxidant modification, specifically includes following
Step：
1）0.3 part of zinc chloride is dissolved in 10 parts of distilled water and forms solution As, by 0.5 part of sodium hydroxide be dissolved in 5 parts of distilled water formed it is molten
10min is mixed in solution A and solution B by liquid B, and through filtering, washing obtains white solid product a；
2）Step 1）Obtained solid product a is dispersed in 10 parts of ethyl alcohol, and 3 parts of Hinered phenols organic antioxidants are then added
3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid, is stirred to react 3h, obtains product as light yellow solid b；
3）Take step 2）Obtained solid product b is added in 60 parts of ethyl alcohol, after mixing, 5 parts of organic amine compounds four is added
Ethyl ammonium hydroxide reacts 4h in 50 DEG C；It centrifuges after reaction, takes solid, it is solid up to husky of common dye color after washed, dry
Body product nano zine oxide composite antioxidant material.
Fig. 1 is the optical photograph that embodiment 1 prepares gained nano zine oxide composite antioxidant material, and Fig. 2 makes for embodiment 1
The photo of the transmission electron microscope of standby gained nano zine oxide composite antioxidant material.As can be seen from the figure：Gained is received
The grain size of rice zinc oxide composite antioxidant material is smaller, and dispersion is highly uniform, and average grain diameter is about 5 nm.
Embodiment 2
A kind of nano zine oxide composite antioxidant material, the composite antioxidant material are made of following raw material：Chlorination
1 part of zinc, 20 parts of distilled water, 0.2 part of sodium hydroxide, Hinered phenols organic antioxidant 3- (3,5- di-tert-butyl-hydroxy phenyl)
2 parts of methyl propionate, 3 parts of organic amine compound tetrabutylammonium hydroxide, 80 parts of ethyl alcohol.
The preparation method of the nano zine oxide composite antioxidant material of above-mentioned organic antioxidant modification, specifically includes following
Step：
1）1 part of zinc chloride is dissolved in 15 parts of distilled water and forms solution A, 0.2 part of sodium hydroxide, which is dissolved in 5 parts of distilled water, forms solution
15min is mixed in solution A and solution B by B, and through filtering, washing obtains white solid product a；
2）Step 1）Obtained solid product a is dispersed in 10 parts of ethyl alcohol, and 2 parts of Hinered phenols organic antioxidants are then added
3- (3,5- di-tert-butyl-hydroxy phenyl) methyl propionate, is stirred to react 1h, obtains product as light yellow solid b；
3）Take step 2）Obtained solid product b is added in 70 parts of ethyl alcohol, after mixing, 3 parts of organic amine compounds four is added
Butyl ammonium hydroxide reacts 8h in 55 DEG C；It centrifuges after reaction, takes solid, it is solid up to husky of common dye color after washed, dry
Body product nano zine oxide composite antioxidant material.
Embodiment 3
A kind of nano zine oxide composite antioxidant material, the composite antioxidant material are made of following raw material：Chlorination
0.8 part of zinc, 25 parts of distilled water, 0.8 part of sodium hydroxide, Hinered phenols organic antioxidant 3- (3,5- di-t-butyl -4- hydroxy benzenes
Base) 5 parts of methyl propionate, 5 parts of organic amine compound tetrapropylammonium hydroxide, 70 parts of ethyl alcohol.
The preparation method of the nano zine oxide composite antioxidant material of above-mentioned organic antioxidant modification, specifically includes following
Step：
1）0.8 part of zinc chloride is dissolved in 15 parts of distilled water and forms solution A, 0.8 part of sodium hydroxide is dissolved in 10 parts of distilled water shapes
At solution B, 20min is mixed in solution A and solution B, through filtering, washing obtains white solid product a；
2）Step 1）Obtained solid product a is dispersed in 10 parts of ethyl alcohol, and 5 parts of resistance phenols organic antioxidant 3- are then added
(3,5- di-tert-butyl-hydroxy phenyl) methyl propionate, is stirred to react 4h, obtains product as light yellow solid b；
3）Take step 2）Obtained solid product b is added in 60 parts of ethyl alcohol, after mixing, 5 parts of organic amine compounds four is added
Propyl ammonium hydroxide reacts 10h in 60 DEG C；It centrifuges after reaction, takes solid, it is solid up to husky of common dye color after washed, dry
Body product nano zine oxide composite antioxidant material.
Embodiment 4
A kind of nano zine oxide composite antioxidant material, the composite antioxidant material are made of following raw material：Chlorination
0.5 part of zinc, 10 parts of distilled water, 0.1 part of sodium hydroxide, Hinered phenols organic antioxidant 3- (3,5- di-t-butyl -4- hydroxy benzenes
Base) 1 part of propionic acid, 2 parts of organic amine compound tetrabutylammonium hydroxide, 70 parts of ethyl alcohol.
The preparation method of the nano-zinc oxide composite material of above-mentioned organic antioxidant modification, specifically includes following steps：
1）0.5 part of zinc chloride is dissolved in 5 parts of distilled water and forms solution As, by 0.1 part of sodium hydroxide be dissolved in 5 parts of distilled water formed it is molten
15min is mixed in solution A and solution B by liquid B, and through filtering, washing obtains white solid product a；
2）Step 1）Obtained solid product a is dispersed in 20 parts of ethyl alcohol, and 1 part of Hinered phenols organic antioxidant is then added
3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid, is stirred to react 3h, obtains product as light yellow solid b；
3）Take step 2）Obtained solid product b is added in 50 parts of ethyl alcohol, after mixing, 2 parts of organic amine compounds four is added
Butyl ammonium hydroxide reacts 6h in 50 DEG C；It centrifuges after reaction, takes solid, it is solid up to husky of common dye color after washed, dry
Body product nano zine oxide composite antioxidant material.
Embodiment 5
A kind of nano zine oxide composite antioxidant material, the composite antioxidant material are made of following raw material：Chlorination
2 parts of zinc, 20 parts of distilled water, 0.5 part of sodium hydroxide, Hinered phenols organic antioxidant 3- (3,5- di-tert-butyl-hydroxy phenyl)
3 parts of methyl propionate, 3 parts of organic amine compound tetrapropylammonium hydroxide, 58 parts of ethyl alcohol.
A kind of preparation method of the nano-zinc oxide composite material of organic antioxidant modification, specifically includes following steps：
1）2 parts of zinc chloride are dissolved in 15 parts of distilled water and form solution A, 0.5 part of sodium hydroxide, which is dissolved in 5 parts of distilled water, forms solution
30min is mixed in solution A and solution B by B, and through filtering, washing obtains white solid product a；
2）Step 1）Obtained solid product a is dispersed in 8 parts of ethyl alcohol, and 3 parts of Hinered phenols organic antioxidants are then added
3- (3,5- di-tert-butyl-hydroxy phenyl) methyl propionate, is stirred to react 2h, obtains product as light yellow solid b；
3）Take step 2）Obtained solid product b is added in 50 parts of ethyl alcohol, after mixing, 3 parts of organic amine compounds four is added
Propyl ammonium hydroxide reacts 12h in 60 DEG C；It centrifuges after reaction, takes solid, it is solid up to husky of common dye color after washed, dry
Body product nano zine oxide composite antioxidant material.
Application test：
Fig. 3 is that nano zine oxide composite antioxidant obtained by prepared by the embodiment of the present invention 1 is dissolved in Esters oil Plexol 201
（Abbreviation DIOS）In dispersion photo, as can be seen from the figure：The solubility property of gained sample is preferable.
Fig. 4 is that the embodiment of the present invention 1 prepares rotary oxygen bomb of the gained nano zine oxide composite antioxidant material in DIOS
Test result.As can be seen from Figure 4：The oxidation induction time of un-added DIOS base oils is 44min；Add 0.25wt%
After the nano zine oxide composite antioxidant material that embodiment 1 is prepared, the antioxygen time increases to 119min；It is real to add 0.5wt%
After applying the nano zine oxide composite antioxidant material that example 1 is prepared, the antioxygen time increases to 139min；It is real to add 0.75wt%
After applying the nano zine oxide composite antioxidant material that example 1 is prepared, the antioxygen time increases to 150min；Add 1wt% embodiments
After the 1 nano zine oxide composite antioxidant material being prepared, the antioxygen time increases to 149min.It is found by comparing, this hair
The antioxidant effect of nano combined antioxidant obtained by bright preparation increases apparent.
The nano zine oxide composite antioxidant material that embodiment 1 is prepared is added to the poly- a alkene of base oil（Referred to as
PAO）In, measure its oxidation induction time using pressure differential scanning calorimetry.Under the conditions of 180 DEG C, 3.5MPa pure oxygen in high pressure,
The oxidation induction time of un-added PAO base oils is 6min；Individually added in PAO 0.5wt% be prepared it is nano oxidized
Zinc composite antioxidant material, can make oxidation induction time extend to 19min.Under the conditions of 170 DEG C, 3.5MPa pure oxygen in high pressure,
The oxidation induction time of un-added PAO is 13.8min；The nano zine oxide that 0.5wt% is prepared individually is added in PAO
Composite antioxidant material can make oxidation induction time extend to 40.1min.
The nano zine oxide composite antioxidant material that embodiment 1 is prepared is added in DIOS base oils, pressure is utilized
Power differential scanning calorimetry measures its oxidation induction time.Under the conditions of 190 DEG C, 3.5MPa pure oxygen in high pressure, un-added DIOS
The oxidation induction time of base oil is 4.1min；It is compound anti-that the nano zine oxide that 0.5wt% is prepared individually is added in DIOS
Oxygen agent material can make oxidation induction time extend to 8.6min.It is un-added under the conditions of 180 DEG C, 3.5MPa pure oxygen in high pressure
The oxidation induction time of DIOS is 5.8min；The compound antioxygen of nano zine oxide that 0.5wt% is prepared individually is added in DIOS
Agent material can make oxidation induction time extend to 17.6min.
The nano zine oxide composite antioxidant material that embodiment 1 is prepared is added in atoleine, pressure is utilized
Differential scanning calorimetry measures its oxidation induction time.Under the conditions of 170 DEG C, 3.5MPa pure oxygen in high pressure, un-added liquid stone
The oxidation induction time of wax is 4.7min；It is compound anti-that the nano zine oxide that 0.5wt% is prepared individually is added in atoleine
Oxygen agent material can make oxidation induction time extend to 7.3min.It is un-added under the conditions of 160 DEG C, 3.5MPa pure oxygen in high pressure
The oxidation induction time of atoleine is 8.4min；The nano zine oxide that 0.5wt% is prepared individually is added in atoleine
Composite antioxidant material can make oxidation induction time extend to 11.9min.
The nano combined antioxidant that gained is prepared to embodiment 2 to 5 has equally carried out rotary oxygen bomb test and pressure differential
Scanning calorimetry measures its antioxygen property.Test result shows：Embodiment 2 to 5 prepares the performance of products obtained therefrom and embodiment 1 is made
The antioxygen property of standby nano zine oxide composite antioxidant material is suitable, i.e., oxidation induction time significantly improves, and lubrication can be improved
The service life of oil has preferable application prospect.
It in summary it can be seen：The nano zine oxide composite antioxidant material of organic antioxidant modification of the present invention is as antioxidant
It is added in lubricating oil, the antioxidant capacity of lubricating oil can be significantly improved, the increase of oil product acid value and viscosity is effectively inhibited, prolong
The drain period has been grown, economic benefit is improved, there is fabulous application prospect.
Claims (5)
1. a kind of nano zine oxide composite antioxidant material, which is characterized in that the composite antioxidant material is mainly by following heavy
Amount part raw material is made：
0.3~2 part of zinc chloride,
10~25 parts of distilled water,
0.1 ~ 0.8 part of sodium hydroxide,
1~5 part of organic antioxidant,
0.5~5 part of aminated compounds,
50~80 parts of ethyl alcohol.
2. the preparation method of nano zine oxide composite antioxidant material described in claim 1, which is characterized in that including following step
Suddenly：
1）Each raw material is taken in proportion, zinc chloride is dissolved in appropriate distilled water and forms solution A, and sodium hydroxide is dissolved in surplus distillation
Solution B is formed in water, solution A and solution B are mixed, and through filtering, washing obtains solid product a；
2）Step 1）Obtained solid product a is uniformly dispersed with ethanol in proper amount, and organic antioxidant is then added, is stirred to react, obtains
Solid product b；
3）Step 2）For obtained solid product b with after surplus ethyl alcohol mixing, addition aminated compounds reacts 4~15h in 40~60 DEG C；
It centrifuges after reaction, takes solid, after washed, drying to obtain the final product.
3. the preparation method of nano zine oxide composite antioxidant material according to claim 2, which is characterized in that step 1）
In, mixing carries out at room temperature, and the mixing time is 5~30 min.
4. the preparation method of nano zine oxide composite antioxidant material according to claim 2, which is characterized in that step 2）
In, it is stirred to react and carries out at room temperature, it is 0.5~5h to be stirred to react the time.
5. application of the nano zine oxide composite antioxidant material as antioxidant for lubricant oil described in claim 1.
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| CN201810123347.3A CN108410540B (en) | 2018-02-07 | 2018-02-07 | Nano zinc oxide composite antioxidant material and preparation method and application thereof |
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| CN201810123347.3A CN108410540B (en) | 2018-02-07 | 2018-02-07 | Nano zinc oxide composite antioxidant material and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322119A (en) * | 2021-06-29 | 2021-08-31 | 河南大学 | Special nano energy-saving lubricating oil for methanol engine and preparation method thereof |
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| CN117660078B (en) * | 2023-11-24 | 2024-05-31 | 广州友乐润滑材料有限公司 | Composite lubricating grease and preparation method thereof |
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