CN104974818B - A kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution - Google Patents
A kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution Download PDFInfo
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- CN104974818B CN104974818B CN201510416795.9A CN201510416795A CN104974818B CN 104974818 B CN104974818 B CN 104974818B CN 201510416795 A CN201510416795 A CN 201510416795A CN 104974818 B CN104974818 B CN 104974818B
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- molybdenum disulfide
- greasy property
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Abstract
A kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution, is related to lube oil additive field.The nanometer class molybdenum disulfide of spherical structure and zinc dialkyl dithiophosphate are added in lubricating oil in esters as compound additive, adverse effect of the soot to lubricating oil in esters can be suppressed, the greasy property of lubricating oil in esters can also be lifted simultaneously, particularly (initial stage is such as used when lubricating oil is not by carbon smoke pollution or slight pollution), can give full play to the greasy property of the nanometer class molybdenum disulfide of spherical structure.It is compounding component using the nanometer class molybdenum disulfide and zinc dialkyl dithiophosphate of spherical structure, solving carbon smoke pollution lubricating oil in esters causes the problem of greasy property declines, is adapted to the situation that soot content in lubricating oil in esters is not higher than 3%.
Description
Technical field
The present invention relates to the method that lubricating oil in esters greasy property caused by a kind of suppression carbon smoke pollution declines, it is related to lubrication
Oil additive field.Specifically added using the nanometer class molybdenum disulfide of spherical structure and zinc dialkyl dithiophosphate as compounding
Agent, through mechanical dispersion into the lubricating oil in esters by carbon smoke pollution, so that solving soot causes under lubricating oil in esters greasy property
The problem of drop.
Background technology
Primary solids particle emission when soot is fuel combustion, account for fuel draining particulate matter total amount 60%~
70%, substantial amounts of soot emissions can be polluted into air to atmospheric environment, so as to threaten the healthy of the mankind.Work as combustion
The soot that material is produced when burning within the engine is largely discharged, and also fraction can enter in the lubricating system of vehicle, right
Lubricating oil produces pollution.Soot is in surface of friction pair meeting Preferential adsorption, so as to influence the function of antiwear additive in lubricating oil to send out
Wave, cause engine scuffing to increase, the drain period of lubricating oil shortens.In addition, soot can same dialkyl disulfides in lubricating oil
Mutual antagonism is produced for antiwear additives such as trbasic zinc phosphates, zinc dialkyl dithiophosphate is added in lubricating oil and not only can not
Given play to the function of its antiwear additive, in addition wear extent ratio without when it is also big.Therefore a kind of method is needed to reduce carbon
The adverse effect that smoke pollution is produced to oil lubrication performance.Work shows recently, and addition inorganic fluoride can suppress soot
Pollute lubrication failure (CN103865614A) caused by lubricating oil, this method be added in lubricating oil micron order or nanoscale without
For example borontrifluoride iron of machine fluoride, amine or inorganic salts dispersant, caused by preferably overcoming carbon smoke pollution by this method
The problem of oil lubrication performance is reduced.But this method provides the carbon of atoleine and CD SAE 15W-40 formula oils
Smoke pollution suppressing method, without reference to lubricating oil in esters, used fluoride may have a negative impact to environment in addition.
Molybdenum disulfide is traditional kollag, can as lubricant grease additive.The greasy property of molybdenum disulfide
Other lubricants are difficult to replace, but molybdenum disulfide as lube oil additive when limit it in hair the problem of be difficult to scattered
Application in motivation, and gradually replaced by organic molybdenum additive, it is therefore desirable to a kind of effective method is found by molybdenum disulfide
It is applied in lube oil additive.
The content of the invention
In order to overcome drawbacks described above present in prior art, it is excellent that an object of the present invention is the provision of a kind of performance
Suppression carbon smoke pollution more causes the compound additive that lubricating oil in esters greasy property declines, meanwhile, present invention also offers one
Plant and suppress the method that carbon smoke pollution causes lubricating oil in esters greasy property to decline.
To realize the purpose, present invention employs following technical scheme：Esters lubricate caused by one kind suppresses carbon smoke pollution
The compound additive of oil lubrication hydraulic performance decline, is not higher than in 3% lubricating oil in esters for being added to soot content, by spherical junctions
Nanometer class molybdenum disulfide and the zinc dialkyl dithiophosphate composition of structure, nanometer class molybdenum disulfide and the esters of spherical structure lubricate
Oil quality ratio is 0.01~5: 100, and the mass ratio of zinc dialkyl dithiophosphate and lubricating oil in esters is 0.01~5: 100.
It is preferred that, the nanometer class molybdenum disulfide of the spherical structure is spherical for the molybdenum disulfide that average diameter is less than 100nm
There may be part reunion between nanoparticle, particulate.
A kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution, by the nanoscale of spherical structure
Molybdenum disulfide is added in lubricating oil in esters with zinc dialkyl dithiophosphate, suppresses unfavorable shadow of the soot to lubricating oil in esters
Ring, lift the greasy property of lubricating oil in esters, give full play to the greasy property of the nano molybdenum disulfide of spherical structure.
Comprise the following steps that：
1., raw material is prepared by following proportioning
The nanometer class molybdenum disulfide of spherical structure is 0.01~5: 100 with lubricating oil in esters mass ratio；
The mass ratio of zinc dialkyl dithiophosphate and lubricating oil in esters is 0.01~5: 100；
2., the nanoscale molybdenum disulfide powder of spherical structure is added in lubricating oil in esters, then by dialkyl dithio
Trbasic zinc phosphate is added in above-mentioned system, after the suspension stablized after mechanical dispersion, can suppress carbon smoke pollution and esters are moistened
The adverse effect of oil lubrication performance, while above-mentioned compound additive can lift the lubricity of lubricating oil in esters to a certain extent
Energy.
Confirmed through overtesting, the nanometer class molybdenum disulfide of spherical structure is added to the lubricating oil in esters by carbon smoke pollution
In, the favorable lubricating property of the nanometer class molybdenum disulfide of spherical structure can be destroyed by soot, the greasy property base of base oil
This does not improve.Zinc dialkyl dithiophosphate is added in the lubricating oil in esters containing soot, the greasy property of base oil
Do not improve not only, or even deteriorate.However, by the nanometer class molybdenum disulfide of zinc dialkyl dithiophosphate and spherical structure together
After being added in the lubricating oil in esters by carbon smoke pollution, the nanometer class molybdenum disulfide of spherical structure is well dispersed in Esters oil,
Now soot disappears to the adverse effect of base oil, and greasy property is better than pure base oil.The present invention is simple to operate, not only
Adverse effect of the soot to lubricating oil in esters greasy property can be eliminated, while can also lift lubricating oil in esters to a certain extent
Greasy property.
The compound additive that lubricating oil in esters greasy property declines caused by the suppression carbon smoke pollution of the present invention, is to utilize ball
The nanometer class molybdenum disulfide of shape structure is compounding component with zinc dialkyl dithiophosphate, solves carbon smoke pollution lubricating oil in esters and leads
The problem of greasy property declines is caused, is adapted to the situation that soot content in lubricating oil in esters is not higher than 3%.
The method that lubricating oil in esters greasy property declines caused by the suppression carbon smoke pollution of the present invention, is by spherical structure
Nanometer class molybdenum disulfide is added in lubricating oil in esters with zinc dialkyl dithiophosphate, can suppress soot and esters are moistened
The adverse effect of lubricating oil, while the greasy property of lubricating oil in esters can also be lifted, it is particularly dirty not by soot in lubricating oil
(initial stage is such as used when contaminating or polluting slight), can give full play to the greasy property of the nanometer class molybdenum disulfide of spherical structure.
Brief description of the drawings
Fig. 1 is the nanometer class molybdenum disulfide and dialkyl dithio for the spherical structure that the method provided by the present invention is obtained
Greasy property test result (friction side of the trbasic zinc phosphate compound additive in esters base oil (Plexol 201, i.e. DOS)
Formula：Ball disk；Test method：High-frequency reciprocating).It can be seen that when DOS is as lubricant, grinding 357 μm of spot, coefficient of friction
0.1810；When the carbon smoke pollution by 0.5%, coefficient of friction is 0.1165, lower than the coefficient of friction of DOS base oil very
It is many, but wear extent dramatically increases (from 351 μm → 506 μm), and the antiwear property of base oil is by heavy damage；It is spherical when adding
The nanometer class molybdenum disulfide of structure is into the DOS of carbon smoke pollution, and coefficient of friction is up to 0.1889, and wear extent is 504, shows spherical junctions
The nanometer class molybdenum disulfide of structure is in the DOS of carbon smoke pollution substantially without anti-wear effect, but also can substantially increase coefficient of friction；
When addition zinc dialkyl dithiophosphate is into the DOS of carbon smoke pollution, coefficient of friction (0.1918) is equal with wear scar diameter (540 μm)
There is more obvious increase, show that soot has mutual antagonism with zinc dialkyl dithiophosphate；However, by dialkyl group
After the nanometer class molybdenum disulfide of zinc dithiophosphate and spherical structure is added in the DOS of carbon smoke pollution, coefficient of friction is bright
The aobvious DOS for dropping to slightly below carbon smoke pollution, wear extent is also reduced to 356 μm.
Embodiment
Embodiment 1
The nanoscale molybdenum disulfide powder of 5 parts of spherical structures is weighed, 100 parts of decanedioic acid containing 0.5% soot are added to
In di-isooctyl, then 1 part of zinc dialkyl dithiophosphate is weighed, added in above-mentioned system, after mechanical dispersion, spherical structure
Nanometer class molybdenum disulfide can be dispersed stably in Plexol 201, and can suppress carbon smoke pollution to lubricating oil in esters lubrication
The adverse effect of performance, while the greasy property of lubricating oil in esters can also be lifted.(as shown in Figure 1).
Embodiment 2
The nanoscale molybdenum disulfide powder of 0.01 part of spherical structure is weighed, 100 parts of last of the ten Heavenly stems containing 0.05% soot are added to
In adipate, then 0.01 part of zinc dialkyl dithiophosphate is weighed, added in above-mentioned system, it is spherical after mechanical dispersion
The nanometer class molybdenum disulfide of structure can be dispersed stably in di-n-octyl sebacate, and can suppress carbon smoke pollution to lubricating oil in esters
The adverse effect of greasy property, while the greasy property of lubricating oil in esters can also be lifted.(result is similar to shown in Fig. 1).
Embodiment 3
Weigh the nanoscale molybdenum disulfide powder of 2.5 parts of spherical structures, be added to 100 parts containing 2.5% soot oneself two
In dioctyl phthalate, then 5 parts of zinc dialkyl dithiophosphates are weighed, add in above-mentioned system, after mechanical dispersion, just can suppress carbon
Smoke pollution is to the adverse effect of lubricating oil in esters greasy property, while the greasy property of lubricating oil in esters can also be lifted.(result
Similar to shown in Fig. 1).
Claims (3)
1. the compound additive that lubricating oil in esters greasy property declines caused by a kind of suppression carbon smoke pollution, for being added to soot
Content is not higher than in 3% lubricating oil in esters, by the nanometer class molybdenum disulfide and zinc dialkyl dithiophosphate group of spherical structure
Into nanometer class molybdenum disulfide and the lubricating oil in esters mass ratio of spherical structure are 0.01~5: 100, zinc dialkyl dithiophosphate
Mass ratio with lubricating oil in esters is 0.01~5: 100；The nanometer class molybdenum disulfide of the spherical structure is less than for average diameter
There may be part reunion between 100nm molybdenum disulfide ball shaped nano particulate, particulate.
2. a kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution, it is characterised in that：By spherical junctions
The nanometer class molybdenum disulfide of structure is added in lubricating oil in esters with zinc dialkyl dithiophosphate as compound additive, to suppress
Soot lifts the greasy property of lubricating oil in esters, gives full play to the nanometer two of spherical structure to the adverse effect of lubricating oil in esters
The greasy property of molybdenum sulfide；The nanometer class molybdenum disulfide of the spherical structure is the molybdenum disulfide ball that average diameter is less than 100nm
There may be part reunion between shape nanoparticle, particulate.
3. suppress the method that lubricating oil in esters greasy property caused by carbon smoke pollution declines as claimed in claim 2, its feature
It is：Comprise the following steps that：
1., raw material is prepared by following proportioning
The nanometer class molybdenum disulfide of spherical structure is 0.01~5: 100 with lubricating oil in esters mass ratio；
The mass ratio of zinc dialkyl dithiophosphate and lubricating oil in esters is 0.01~5: 100；
2., the nanoscale molybdenum disulfide powder of spherical structure is added in lubricating oil in esters, then by dialkyl dithiophosphoric acid
Zinc is added in above-mentioned system, after the suspension stablized after mechanical dispersion, can suppress carbon smoke pollution to lubricating oil in esters
The adverse effect of greasy property, while above-mentioned compound additive can lift the greasy property of lubricating oil in esters to a certain extent.
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| CN201510416795.9A CN104974818B (en) | 2015-07-16 | 2015-07-16 | A kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution |
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| CN201510416795.9A CN104974818B (en) | 2015-07-16 | 2015-07-16 | A kind of method that lubricating oil in esters greasy property declines caused by suppression carbon smoke pollution |
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| CN104974818B true CN104974818B (en) | 2017-07-28 |
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| CN109913290B (en) * | 2019-03-22 | 2022-01-18 | 合肥学院 | Synthetic method of ester lubricating oil with catalysis and lubrication effects of molybdenum disulfide nanoparticles |
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| DE19641620A1 (en) * | 1995-10-11 | 1997-04-17 | Hyundai Motor Co Ltd | Lubricating oil compsn. |
| CN1190428A (en) * | 1995-07-11 | 1998-08-12 | 国际壳牌研究有限公司 | Lubricating greases |
| US5952273A (en) * | 1997-03-31 | 1999-09-14 | Kyodo Yushi Co., Ltd, | Grease composition for constant velocity joints |
| CN1269818A (en) * | 1997-09-12 | 2000-10-11 | 国际壳牌研究有限公司 | Lubricating compositions |
| JP2005226038A (en) * | 2004-02-16 | 2005-08-25 | Kyodo Yushi Co Ltd | Grease composition for constant-velocity joint for steering and constant-velocity joint for steering |
| CN1904005A (en) * | 2006-07-19 | 2007-01-31 | 李永立 | Heavy duty automobile, engineering machinery internal combustion engine oil synergist |
| CN101173200A (en) * | 2007-10-22 | 2008-05-07 | 马业萍 | Environment-protection energy-saving lubricant oil for removing carbon deposition effectively |
| CN102199468A (en) * | 2010-03-25 | 2011-09-28 | 雅富顿公司 | Lubricant composition for improving engine performance |
| CN103450972A (en) * | 2013-09-18 | 2013-12-18 | 傅岩 | Automobile lubricating oil |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207936A (en) * | 1991-04-01 | 1993-05-04 | Ntn Corporation | Grease composition for constant velocity joint |
| CN1190428A (en) * | 1995-07-11 | 1998-08-12 | 国际壳牌研究有限公司 | Lubricating greases |
| DE19641620A1 (en) * | 1995-10-11 | 1997-04-17 | Hyundai Motor Co Ltd | Lubricating oil compsn. |
| US5952273A (en) * | 1997-03-31 | 1999-09-14 | Kyodo Yushi Co., Ltd, | Grease composition for constant velocity joints |
| CN1269818A (en) * | 1997-09-12 | 2000-10-11 | 国际壳牌研究有限公司 | Lubricating compositions |
| JP2005226038A (en) * | 2004-02-16 | 2005-08-25 | Kyodo Yushi Co Ltd | Grease composition for constant-velocity joint for steering and constant-velocity joint for steering |
| CN1904005A (en) * | 2006-07-19 | 2007-01-31 | 李永立 | Heavy duty automobile, engineering machinery internal combustion engine oil synergist |
| CN101173200A (en) * | 2007-10-22 | 2008-05-07 | 马业萍 | Environment-protection energy-saving lubricant oil for removing carbon deposition effectively |
| CN102199468A (en) * | 2010-03-25 | 2011-09-28 | 雅富顿公司 | Lubricant composition for improving engine performance |
| CN103450972A (en) * | 2013-09-18 | 2013-12-18 | 傅岩 | Automobile lubricating oil |
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Effective date of registration: 20220928 Address after: 519090 No. 8, Lianjing Road, nanshaui Town, Jinwan District, Zhuhai City, Guangdong Province (complex building) Patentee after: ZHUHAI MAKHOP TECHNOLOGY CO.,LTD. Address before: 230000 Jinxiu Avenue 99, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: HEFEI University |
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