CN109722322A - A kind of nano oxidized praseodymium lube oil additive and preparation method thereof - Google Patents
A kind of nano oxidized praseodymium lube oil additive and preparation method thereof Download PDFInfo
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- CN109722322A CN109722322A CN201811552397.XA CN201811552397A CN109722322A CN 109722322 A CN109722322 A CN 109722322A CN 201811552397 A CN201811552397 A CN 201811552397A CN 109722322 A CN109722322 A CN 109722322A
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- oxidized praseodymium
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Abstract
The invention discloses a kind of nano oxidized praseodymium lube oil additives, which is characterized in that contains the nano oxidized praseodymium modified by surface.Preparation method includes: Tween60, Span20, Span80 and polyethers to be mixed to get surfactant with the mass ratio of 2:1:1:3, then the mixed surfactant that mass fraction is 85% is added in the nano oxidized praseodymium that mass fraction is 15%.Lube oil additive of the invention has the characteristics that simple configuration method, energy conservation and environmental protection, wear-resistant and self-healing properties are good.
Description
Technical field
The present invention relates to a kind of nano lubricating oil additive, in particular to a kind of nano oxidized praseodymium lube oil additive.
Background technique
Lubricating oil is common lubriation material, can reduce equipment attrition, extends service life of equipment and reduce maintenance expense
With.Lubricating oil by different model base oil and it is all kinds of there is additive of different nature to be composed, wherein additive can be with
The deficiency for making up base oil aspect of performance is an important factor for improving oil property and oil quality.With equipment operating condition
Increasingly harsh and environmental protection strict demand, traditional element additive containing S, P, Cl isoreactivity is no longer satisfied need
It asks.Rare earth element has special 4f electronic structure, and compound has hexagonal layer structure, with other same crystal knot
The metal phase ratio of structure, tribological property difference are obvious.Nano rare earth compound particles can carry out friction surface to obtain to a certain degree
It fills up and repairs.Therefore, nano rare earth compound has good wear-resistant and self-healing properties as lube oil additive.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of energy-saving and environment-friendly rare-earth additive of lubricating oil.Rare earth profit
Oil additive has good wear-resistant and self-healing properties.
In order to solve the above-mentioned technical problems, the present invention provides a kind of nano oxidized praseodymium lube oil additive, feature exists
In containing the nano oxidized praseodymium modified by surface.
Preferably, the lube oil additive prepares raw material and includes:
Nano oxidized praseodymium 15wt.%；
Surfactant 85wt.%.
Preferably, the surfactant includes polysorbate60 (Tween60), Span 20 (Span20), 80 (Span of Span
And polyethers 80).
It is highly preferred that the polysorbate60, Span 20, Span 80 and polyethers mass ratio be 2:1:1:3.
The present invention also provides the preparation methods of above-mentioned nano oxidized praseodymium lube oil additive, which is characterized in that including
Following steps:
Step 1: polysorbate60, Span 20, Span 80 and polyethers are mixed to get surface-active with the mass ratio of 2:1:1:3
Agent；
Step 2: the surface that the step 1 that mass fraction is 85% obtains is added in the nano oxidized praseodymium that mass fraction is 15%
To get the nano oxidized praseodymium modified to surface in activating agent, as nano oxidized praseodymium lube oil additive.
The present invention also provides above-mentioned nano oxidized praseodymium lube oil additives as multifunctional lubricant or lubricating grease
Application in additive.
The present invention also provides a kind of reparation antiwear additives of mechanical equipment lubrication system, which is characterized in that containing above-mentioned
Nano oxidized praseodymium lube oil additive.
Preferably, the mechanical equipment is the heavy mechanical equipment that vehicle, ship, petrochemical industry or mine use.
A kind of nano oxidized praseodymium lube oil additive of the present invention, feature are as follows: due to the surface tension of lubricating oil,
Nano oxidized praseodymium particle cannot be evenly distributed in lubricating oil, it is also possible to which forming nanoparticle group makes lubricating oil obtain lubricant effect
Become worse, therefore must include surfactant in lube oil additive.It selects Tween60, Span20, Span 80 and gathers
Ether mixing be used as surfactant, according to the hydrophilic empirical equation of oleophylic obtain mixed proportion be 2:1:1:3.Present invention process is clear
It is clean, environmental-friendly, implementation condition is simple, be convenient for scale continuous production.
Compared with prior art, the beneficial effects of the present invention are:
(1) the nano oxidized praseodymium lube oil additive excellent stability that the method for the invention obtains, will not decompose soda acid
Components will not be caused to corrode by property substance；
(2) having wear-resistant and self-healing properties lube oil additives is obtained to the modification of nano oxidized praseodymium surface；
(3) raw material used in the method for the invention is the common raw material of industry, lube oil additive configuration method letter
It is single, it can be used for carrying out large-scale production.
(4) lube oil additive of the invention has simple preparation method, energy conservation and environmental protection, wear-resistant and self-healing properties good
Feature.
Detailed description of the invention
Fig. 1 is the grinding defect morphology figure of microscope lower wall after control group 20h；
Fig. 2 is the grinding defect morphology figure of microscope lower wall after test group 20h；
Fig. 3 is three-dimensional surface shape figure of the maximum depth in 3778.7nm of control group mill spot；
Fig. 4 is three-dimensional surface shape figure of the maximum depth in 2605.3nm of test group mill spot.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
A kind of nano oxidized praseodymium lube oil additive is present embodiments provided, by nano oxidized containing being modified by surface
Praseodymium composition, it includes: nano oxidized praseodymium 15wt.% and surfactant 85wt.% that the lube oil additive, which prepares raw material,.It is described
Nano oxidized praseodymium lube oil additive specific preparation process is as follows:
Step 1: step 1: by polysorbate60, Span 20, Span 80 and polyethers (Tween60, Span20, Span 80 all by
The production of Guangzhou Run Hua Food Co., Ltd provides, and article No. is respectively 1270321,1276121,1276521, and structural formula is respectively as follows:
C24H46O6(C2H4O)20, C18H34O6, C24H44O6, polyethers provides by the biological Co., Ltd's production of Shanghai rudiment science and technology, and article No. is
MS15024-250g.Nano oxidized praseodymium is produced by Guangdong Huizhou riel chemistry Science and Technology Ltd., 20~30nm of partial size) with 2:1:
The mass ratio of 1:3 is mixed to get surfactant；
Step 2: the surface that the step 1 that mass fraction is 85% obtains is added in the nano oxidized praseodymium that mass fraction is 15%
To get the nano oxidized praseodymium modified to surface in activating agent, as nano oxidized praseodymium lube oil additive first to nano oxidized
The wear-resistant and self-repairability of praseodymium lube oil additive can be carried out analysis, then carry out again to rare-earth additive of lubricating oil energy-saving effect
Analysis.
(1) the wear-resistant and self-healing properties Analysis on Mechanism of nano oxidized praseodymium lube oil additive:
Friction-wear test carries out on four-ball friction and wear test machine and disk pin friction wear testing machine.
The experimental condition of four-ball friction and wear test: steel ball material is GCr15, diameter 12.7mm, hardness 60HRC；First
20s under load 160N, revolving speed 300r/min is set, then slowly applies pressure, when reaching 360N, revolving speed is promoted to 1200r/
Min continues 60min, room temperature.
The experimental condition of disk pin friction-wear test: upper sample pin material is 416 stainless steels, and lower tray sample is AINSI
E52100 steel.Load is 260N, and lower sample disk rotating speed is 900r/min, continues 20h, room temperature.Nano oxidized praseodymium lubricating oil is added
Agent is added to be distributed in the engine lubricating oil of Castrol, mass fraction 0.5% vibrates 15min in ultrasonic oscillator.
Test group is listed in table 1 adds 0.5% nano oxidized praseodymium lube oil additive in Castrol engine lubricating oil
With the un-added four-ball friction and wear test result of control group.It can be in the item that four-ball tribotester load is 360N from table
Under part, wear scar diameter averagely reduces 7%, and coefficient of friction reduces by 23.2%.Illustrate that nano oxygen is added in Castrol engine lubricating oil
Change praseodymium lube oil additive abrasion resistance to improve.
The tribological property of 1 rare-earth additive of lubricating oil of table
Table 2 is test group in Castrol engine lubricating oil 0.5% nano oxidized praseodymium lube oil additive of addition and control
The un-added disk pin friction and wear test results of group.The mass loss of which disk reduces 12.3%, and roughness reduces by 73.4%.It rubs
Wiping coefficient reduces by 4.1%, reflects additive from mass loss and coefficient of friction and roughness variation and improves wear resistence
Energy.Picture under the respectively optical microscopy of two groups of oil abrasion spots of Fig. 1,2, amplification factor 100, it can be seen that examination from Fig. 1,2
The scratch for testing group is slighter, illustrates improvement of the additive to wear condition.Fig. 3,4 are respectively mill spot surface topography map, control group
In scratch it is deeper, illustrate to experienced violent wear process, and the scratch of test group is more gentle, illustrates that wear process is more warm
With, it was demonstrated that improvement of the additive to wear condition.The disk polishing scratch depth capacity of control group is 3778.7nm, and test group is
2605.3nm shows that additive is apparent to the filling effect of rough surface；If the profile roughness for defining polishing scratch is that polishing scratch is deep
The variance of degree, then control group be averaged polishing scratch profile roughness be 160.77, test group 124.829 improves 12.9%.Addition
The disk of additive, the absolute depth of polishing scratch are less than the disk that do not add, it is shown that the promotion of abrasion resistance.The depth of polishing scratch
Variation is more gentle, shows that nano oxidized praseodymium lube oil additive has the function of filling and repairing friction surface.
2 disk pin friction test result of table
(2) analysis on energy saving effect of nano oxidized praseodymium lube oil additive:
Energy conservation test carries out on the diesel engine that Shanghai Diesel Engine Co., Ltd produces.Diesel engine type is 4135,
Cylinder diameter 135mm, stroke 150mm, compression ratio 17, size run power 66KW/1500rpm, accumulated running time 1000h.
The experimental condition of energy conservation test: 3.5 DEG C of room temperature, relative humidity 53%, fuel consumption meter oil consumption measuring method is quality
Method.
Table 3 is the diesel engine of different time and operating point examination under the conditions of the non-plus nano praseodymium oxide lube oil additive of control group
Test result.Table 4 is that the diesel oil of different time and operating point under the conditions of 0.5% nano oxidized praseodymium lube oil additive is added in test group
Machine test result.
The diesel engine test result of 3 control group different time of table and operating point
The diesel engine test result of 4 test group different time of table and operating point
As can be seen from the test results, consumption of the diesel engine under different load after nano oxidized praseodymium lube oil additive is added
Oil cut rate by different degrees of decline, the rate of economizing gasoline under 70%, 80%, 90% load is respectively 5.77%, 5.75%,
5.57%, energy-saving effect is obvious.
Claims (7)
1. a kind of nano oxidized praseodymium lube oil additive, which is characterized in that contain the nano oxidized praseodymium modified by surface.
2. nano oxidized praseodymium lube oil additive as described in claim 1, which is characterized in that the system of the lube oil additive
Include: for raw material
Nano oxidized praseodymium 15wt.%；
Surfactant 85wt.%.
3. nano oxidized praseodymium lube oil additive as claimed in claim 2, which is characterized in that the surfactant includes spitting
Temperature 60, Span 20, Span 80 and polyethers.
4. nano oxidized praseodymium lube oil additive as claimed in claim 3, which is characterized in that the polysorbate60, Span 20, department
Class 80 and polyether quality ratio are 2:1:1:3.
5. the preparation method of the described in any item nano oxidized praseodymium lube oil additives of claim 1-4, which is characterized in that including
Following steps:
Step 1: polysorbate60, Span 20, Span 80 and polyethers are mixed to get surfactant with the mass ratio of 2:1:1:3；
Step 2: the surface-active that the step 1 that mass fraction is 85% obtains is added in the nano oxidized praseodymium that mass fraction is 15%
The nano oxidized praseodymium lube oil additive modified containing surface is arrived in agent.
6. nano oxidized praseodymium lube oil additive of any of claims 1-4 is as multifunctional lubricant and lubricating grease
Additive in application.
7. a kind of reparation antiwear additive of mechanical equipment lubrication system, which is characterized in that containing described in any one of claim 1-4
Nano oxidized praseodymium lube oil additive.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507559A (en) * | 2022-02-25 | 2022-05-17 | 大连大平油脂化学有限公司 | Diesel antiwear agent containing rare earth oxide and preparation method thereof |
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| CN105331436A (en) * | 2015-09-23 | 2016-02-17 | 黑龙江三维润滑油科技有限公司 | Lubricating oil and preparation method thereof |
| CN107033989A (en) * | 2017-04-28 | 2017-08-11 | 济南奈尔润滑油有限公司 | A kind of rare earth lubricating oil and preparation method thereof |
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2018
- 2018-12-19 CN CN201811552397.XA patent/CN109722322A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014099373A1 (en) * | 2012-12-18 | 2014-06-26 | Exxonmobil Research And Engineering Company | Process for making lube base stocks from renewable feeds |
| CN105331436A (en) * | 2015-09-23 | 2016-02-17 | 黑龙江三维润滑油科技有限公司 | Lubricating oil and preparation method thereof |
| CN107033989A (en) * | 2017-04-28 | 2017-08-11 | 济南奈尔润滑油有限公司 | A kind of rare earth lubricating oil and preparation method thereof |
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| CN114507559A (en) * | 2022-02-25 | 2022-05-17 | 大连大平油脂化学有限公司 | Diesel antiwear agent containing rare earth oxide and preparation method thereof |
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