CN103952209A - Preparation method of composite lubricating oil - Google Patents
Preparation method of composite lubricating oil Download PDFInfo
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- CN103952209A CN103952209A CN201410180459.4A CN201410180459A CN103952209A CN 103952209 A CN103952209 A CN 103952209A CN 201410180459 A CN201410180459 A CN 201410180459A CN 103952209 A CN103952209 A CN 103952209A
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Abstract
The invention relates to a preparation method of composite lubricating oil. The preparation method is characterized by comprising the following steps: 1) uniformly mixing metal nano-powder and a coupling agent to obtain modified metal nano-powder; 2) uniformly mixing modified metal nano-powder and an organic solvent and performing ultrasonic dispersion; 3) adding an antioxidant into a system obtained in the last step, performing ultrasonic dispersion and further removing the solvent to obtain composite nano-particles; 4) uniformly mixing the composite nano-particles and lubricating oil and performing ultrasonic dispersion to obtain a primary dispersion solution; 5) centrifugating and filtering the primary dispersion solution to obtain a finished product dispersion solution; 6) mixing the finished product dispersion solution with the lubricating oil and uniformly stirring. The composite lubricating oil prepared by the method provided by the invention has obvious anti-wear and friction-reducing characteristics; when the composite lubricating oil is used in an engine, the related performances can be improved, for example the power of the engine is improved, the emission of tail gas is reduced, the oil consumption is saved and the like.
Description
Technical field
The present invention relates to a kind of preparation method of compounded lubricating oil.
Background technology
In prior art, nano lubricating oil tech is mainly divided into: 1, ceramic nano lubricating oil.2, composition metal nano lubricating oil.
Ceramic nano lubricating oil is the lubricating oil that has added nano-ceramic particle, but because pottery is bad with the consistency of metal, therefore undesirable aspect engine reparation, formed ceramic layer easily comes off.And stupalith is more crisp, nano-ceramic particle is generally aspherical particle, and especially wearing and tearing easily appear in the Nano Ceramic Particles of spheroidal particle in the environment of engine.
Composition metal nano lubricating oil is easy and engine interior material is compatible, and the metallic film of formation is not easy to come off, and metal nanoparticle has certain toughness, is not easy breakage.But metallics is easily oxidized, cause nanoparticle to lose efficacy.Adding of metal nanoparticle, can cause the demulsification performance of lubricating oil and antioxidant property to decline.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of compounded lubricating oil.
The technical solution used in the present invention is:
A preparation method for compounded lubricating oil, comprises the following steps:
1) metal nano powder and coupling agent are mixed, obtain modified metal nano-powder;
2) modified metal nano-powder is mixed to ultrasonic dispersion with organic solvent;
3) in the system that upwards step obtains, add oxidation inhibitor, ultrasonic dispersion, then except desolventizing, obtain composite nanoparticle;
4) composite nanoparticle is mixed with lubricating oil, ultrasonic dispersion, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) finished product dispersion liquid is mixed with lubricating oil, stir.
In step 1), the mass ratio of coupling agent and metal nano powder is 1:(1-100).
In step 1), described coupling agent is a kind of in silane coupling agent, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent.
Step 2), in, the mass ratio of modified metal nano-powder and organic solvent is 1:1-4.
Step 2), in, described solvent is the organic solvent of any group in hydroxyl, carboxyl, ester group not.
Step 2), in, described organic solvent is a kind of in varsol, halogenated hydrocarbon solvent, ether solvent, ketones solvent.
In step 3), oxidation inhibitor is dialkyl disulfides zinc phosphate, dialkyldithiocarbamacompositions antimony, 4, at least one in 4-di-iso-octyldiphenylamine, 2,6 ditertiary butyl p cresol; The quality of oxidation inhibitor is the 0.1-10% of the total mass of modified metal nano-powder and organic solvent.
In step 4), the mass ratio of composite nanoparticle and lubricating oil is 1:(1-1000).
In step 6), the mass ratio of finished product dispersion liquid and lubricating oil is 1:(1000-50000).
The invention has the beneficial effects as follows: compounded lubricating oil prepared by method of the present invention, there is obvious antiwear and antifriction feature, for engine, can improve relevant performance, such as improving engine power, reduce exhaust emissions, saving oil consumption etc.
Embodiment
A preparation method for compounded lubricating oil, comprises the following steps:
1) metal nano powder and coupling agent are mixed, obtain modified metal nano-powder;
2) modified metal nano-powder is mixed to ultrasonic dispersion with organic solvent;
3) in the system that upwards step obtains, add oxidation inhibitor, ultrasonic dispersion, then except desolventizing, obtain composite nanoparticle;
4) composite nanoparticle is mixed with lubricating oil, ultrasonic dispersion, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) finished product dispersion liquid is mixed with lubricating oil, stir.
In step 1), the mass ratio of coupling agent and metal nano powder is 1:(1-100); Preferably, be 1:10-100.
In step 1), described coupling agent is a kind of in silane coupling agent, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent; Preferably, be at least one in KH-550, KH-560, KH-570, KH-792, A-1160, KH580, KH602, butyl (tetra) titanate, isopropyl titanate, aluminate coupling agent LS-61.
Step 2), in, the mass ratio of modified metal nano-powder and organic solvent is 1:1-4.
Step 2), in, described solvent is the organic solvent of any group in hydroxyl, carboxyl, ester group not, preferably, described organic solvent is varsol, halogenated hydrocarbon solvent, ether solvent, a kind of in ketones solvent, further preferred, described organic solvent is pentane, hexane, hexanaphthene, heptane, tetrahydrofuran (THF), trichloromethane, tetracol phenixin, 1, 1-ethylene dichloride, 1, 2-ethylene dichloride, 1, 1, 1-trichloroethane, 1, 1, 2-trichloroethane, 1, 1, 1, 2-tetrachloroethane, 1, 1, 2, 2-tetrachloroethane, trieline, n-propyl chloride, 2 cbloropropane isopropyl chloride, 1, 2-propylene dichloride, chlorallylene, 1-chlorobutane, Sec-Butyl Chloride, sherwood oil, acetone, butanone, at least one in benzene.
In step 3), oxidation inhibitor is dialkyl disulfides zinc phosphate, dialkyldithiocarbamacompositions antimony, 4, at least one in 4-di-iso-octyldiphenylamine, 2,6 ditertiary butyl p cresol; The quality of oxidation inhibitor is the 0.1-10% of the total mass of modified metal nano-powder and organic solvent.
In step 4), the mass ratio of composite nanoparticle and lubricating oil is 1:(1-1000); Preferably, be 1:1-100.
In step 6), the mass ratio of finished product dispersion liquid and lubricating oil is 1:(1000-50000).
Below in conjunction with specific embodiment, the present invention is described further:
embodiment 1:
A preparation method for compounded lubricating oil, comprises the following steps:
1) nano-metallic copper and coupling agent KH560 are mixed according to mass ratio 10:1, obtain modified Nano metallic copper;
2) modified Nano metallic copper is mixed to ultrasonic dispersion 10min according to mass ratio 1:1 with organic solvent Skellysolve A;
3) in the system that upwards step obtains, add oxidation inhibitor (dialkyl disulfides zinc phosphate, 4, the mixture of 4-di-iso-octyldiphenylamine mass ratio 1:1), the quality of oxidation inhibitor be modified Nano metallic copper and organic solvent Skellysolve A total mass 0.1%, ultrasonic dispersion 10min, evaporation, except desolventizing, obtains composite nanoparticle again;
4) composite nanoparticle is mixed according to mass ratio 1:100 with lubricating oil, ultrasonic dispersion 10min, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) by finished product dispersion liquid and lubricating oil in mass ratio 1:1000 mix, stir.
embodiment 2:
A preparation method for compounded lubricating oil, comprises the following steps:
1) nano-metallic copper and coupling agent KH560 are mixed according to mass ratio 50:1, obtain modified Nano metallic copper;
2) modified Nano metallic copper is mixed to ultrasonic dispersion 10min according to mass ratio 1:3 with organic solvent Skellysolve A;
3) in the system that upwards step obtains, add oxidation inhibitor (dialkyl disulfides zinc phosphate, 4, the mixture of 4-di-iso-octyldiphenylamine mass ratio 1:1), the quality of oxidation inhibitor be modified Nano metallic copper and organic solvent Skellysolve A total mass 1%, ultrasonic dispersion 10min, evaporation, except desolventizing, obtains composite nanoparticle again;
4) composite nanoparticle is mixed according to mass ratio 1:15 with lubricating oil, ultrasonic dispersion 10min, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) by finished product dispersion liquid and lubricating oil in mass ratio 1:8000 mix, stir.
embodiment 3:
A preparation method for compounded lubricating oil, comprises the following steps:
1) nano metal molybdenum and coupling agent KH570 are mixed according to mass ratio 100:1, obtain modified Nano metal molybdenum;
2) modified Nano metal molybdenum is mixed to ultrasonic dispersion 20min according to mass ratio 1:4 with organic solvent sherwood oil;
3) in the system that upwards step obtains, add oxidation inhibitor (dialkyldithiocarbamacompositions antimony, 4,4-di-iso-octyldiphenylamine, 2, the mixture of 6-ditertbutylparacresol three mass ratio 1:1:1), the quality of oxidation inhibitor be modified Nano metal molybdenum and organic solvent sherwood oil total mass 10%, ultrasonic dispersion 20min, evaporation, except desolventizing, obtains composite nanoparticle again;
4) composite nanoparticle is mixed according to mass ratio 1:10 with lubricating oil, ultrasonic dispersion 20min, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) by finished product dispersion liquid and lubricating oil in mass ratio 1:10000 mix, stir.
embodiment 4:
A preparation method for compounded lubricating oil, comprises the following steps:
1) nano metal molybdenum and coupling agent butyl (tetra) titanate are mixed according to mass ratio 50:1, obtain modified Nano metal molybdenum;
2) modified Nano metal molybdenum is mixed to ultrasonic dispersion 20min according to mass ratio 1:4 with organic solvent sherwood oil;
3) in the system that upwards step obtains, add oxidation inhibitor (dialkyldithiocarbamacompositions antimony, 4,4-di-iso-octyldiphenylamine, 2, the mixture of 6-ditertbutylparacresol three mass ratio 1:3:1), the quality of oxidation inhibitor be modified Nano metal molybdenum and organic solvent sherwood oil total mass 2%, ultrasonic dispersion 15min, evaporation, except desolventizing, obtains composite nanoparticle again;
4) composite nanoparticle is mixed according to mass ratio 1:1 with lubricating oil, ultrasonic dispersion 15min, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) by finished product dispersion liquid and lubricating oil in mass ratio 1:50000 mix, stir.
embodiment 5:
A preparation method for compounded lubricating oil, comprises the following steps:
1) nano metal nickel and coupling agent KH570 are mixed according to mass ratio 80:1, obtain modified Nano metallic nickel;
2) modified Nano metallic nickel is mixed to ultrasonic dispersion 12min according to mass ratio 1:2.5 with organic solvent sherwood oil;
3) in the system that upwards step obtains, add oxidation inhibitor (dialkyldithiocarbamacompositions antimony, dialkyldithiocarbamacompositions antimony, 4,4-di-iso-octyldiphenylamine, 2, the mixture of 6-ditertbutylparacresol three mass ratio 1:1:1:2), the quality of oxidation inhibitor be modified Nano metallic nickel and organic solvent sherwood oil total mass 3%, ultrasonic dispersion 12min, evaporation, except desolventizing, obtains composite nanoparticle again;
4) composite nanoparticle is mixed according to mass ratio 1:10 with lubricating oil, ultrasonic dispersion 20min, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) by finished product dispersion liquid and lubricating oil in mass ratio 1:10000 mix, stir.
embodiment 6:
A preparation method for compounded lubricating oil, comprises the following steps:
1) nano-metallic copper and coupling agent isopropyl titanate are mixed according to mass ratio 30:1, obtain modified Nano metallic copper;
2) modified Nano metallic copper is mixed to ultrasonic dispersion 12min according to mass ratio 1:2.5 with organic solvent carbon tetrachloride;
3) in the system that upwards step obtains, add oxidation inhibitor (dialkyldithiocarbamacompositions antimony, dialkyldithiocarbamacompositions antimony, 4,4-di-iso-octyldiphenylamine, 2, the mixture of 6-ditertbutylparacresol three mass ratio 1:1:1:2), the quality of oxidation inhibitor be modified Nano metallic copper and organic solvent carbon tetrachloride total mass 3%, ultrasonic dispersion 8min, evaporation, except desolventizing, obtains composite nanoparticle again;
4) composite nanoparticle is mixed according to mass ratio 1:1 with lubricating oil, ultrasonic dispersion 8min, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) by finished product dispersion liquid and lubricating oil in mass ratio 1:50000 mix, stir.
Product to embodiment 6 preparation carries out the test of SRV frictional wear experiment, and its result is as following table 1:
table 1:
Compounded lubricating oil prepared by embodiment 1-6, compares with the lubricating oil of not doing any modification, and extreme pressure property improves more than 15%, and sintering load improves more than 26%.
Compound super function lubricating oil prepared by embodiment 1-6, for engine, is compared with the lubricating oil of not doing any modification, promotes power and reaches more than 1.25%, saves oil consumption more than 1.63%, reduces exhaust emissions more than 1.85%.
Claims (9)
1. a preparation method for compounded lubricating oil, is characterized in that: comprise the following steps:
1) metal nano powder and coupling agent are mixed, obtain modified metal nano-powder;
2) modified metal nano-powder is mixed to ultrasonic dispersion with organic solvent;
3) in the system that upwards step obtains, add oxidation inhibitor, ultrasonic dispersion, then except desolventizing, obtain composite nanoparticle;
4) composite nanoparticle is mixed with lubricating oil, ultrasonic dispersion, obtains primary dispersion liquid;
5) primary dispersion liquid, through centrifugal, filtration, obtains finished product dispersion liquid;
6) finished product dispersion liquid is mixed with lubricating oil, stir.
2. the preparation method of a kind of compounded lubricating oil according to claim 1, is characterized in that: in step 1), the mass ratio of coupling agent and metal nano powder is 1:(1-100).
3. the preparation method of a kind of compounded lubricating oil according to claim 1, is characterized in that: in step 1), described coupling agent is a kind of in silane coupling agent, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent.
4. the preparation method of a kind of compounded lubricating oil according to claim 1, is characterized in that: step 2) in, the mass ratio of modified metal nano-powder and organic solvent is 1:1-4.
5. the preparation method of a kind of compounded lubricating oil according to claim 1, is characterized in that: step 2) in, described solvent is the organic solvent of any group in hydroxyl, carboxyl, ester group not.
6. the preparation method of a kind of compounded lubricating oil according to claim 5, is characterized in that: step 2) in, described organic solvent is a kind of in varsol, halogenated hydrocarbon solvent, ether solvent, ketones solvent.
7. the preparation method of a kind of compounded lubricating oil according to claim 5, it is characterized in that: in step 3), oxidation inhibitor is dialkyl disulfides zinc phosphate, dialkyldithiocarbamacompositions antimony, 4, at least one in 4-di-iso-octyldiphenylamine, 2,6 ditertiary butyl p cresol; The quality of oxidation inhibitor is the 0.1-10% of the total mass of modified metal nano-powder and organic solvent.
8. the preparation method of a kind of compounded lubricating oil according to claim 1, is characterized in that: in step 4), the mass ratio of composite nanoparticle and lubricating oil is 1:(1-1000).
9. the preparation method of a kind of compounded lubricating oil according to claim 1, is characterized in that: in step 6), the mass ratio of finished product dispersion liquid and lubricating oil is 1:(1000-50000).
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| CN201410180459.4A CN103952209A (en) | 2014-04-30 | 2014-04-30 | Preparation method of composite lubricating oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889387A (en) * | 2015-05-11 | 2015-09-09 | 李广兵 | Preparation method for high polymer composite nano aluminum powder |
| CN106752089A (en) * | 2016-08-30 | 2017-05-31 | 集美大学 | A kind of preparation method of surface modification flake nano copper and the compounded lubricating oil containing the Nanometer Copper |
| CN108176851A (en) * | 2018-01-02 | 2018-06-19 | 中国工程物理研究院化工材料研究所 | A kind of metallic aluminium powder coats means of defence |
Citations (1)
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| CN102911767A (en) * | 2012-10-30 | 2013-02-06 | 陕西启源科技发展有限责任公司 | Method for preparing antifriction and repair additive |
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2014
- 2014-04-30 CN CN201410180459.4A patent/CN103952209A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102911767A (en) * | 2012-10-30 | 2013-02-06 | 陕西启源科技发展有限责任公司 | Method for preparing antifriction and repair additive |
Non-Patent Citations (2)
| Title |
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| 于鹤龙等: "纳米铜润滑油添加剂的制备及其性能研究_于鹤龙", 《装甲兵工程学院学报》, vol. 20, no. 5, 31 October 2006 (2006-10-31), pages 86 - 89 * |
| 于鹤龙等: "纳米铜颗粒作为50CC 润滑油添加剂的摩擦学性能研究", 《中国表面工程》, no. 71, 31 December 2005 (2005-12-31), pages 23 - 26 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889387A (en) * | 2015-05-11 | 2015-09-09 | 李广兵 | Preparation method for high polymer composite nano aluminum powder |
| CN106752089A (en) * | 2016-08-30 | 2017-05-31 | 集美大学 | A kind of preparation method of surface modification flake nano copper and the compounded lubricating oil containing the Nanometer Copper |
| CN108176851A (en) * | 2018-01-02 | 2018-06-19 | 中国工程物理研究院化工材料研究所 | A kind of metallic aluminium powder coats means of defence |
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Application publication date: 20140730 |