CN1380379A - Repairing type lubricant additive and its preparation method - Google Patents
Repairing type lubricant additive and its preparation method Download PDFInfo
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- CN1380379A CN1380379A CN 02121068 CN02121068A CN1380379A CN 1380379 A CN1380379 A CN 1380379A CN 02121068 CN02121068 CN 02121068 CN 02121068 A CN02121068 A CN 02121068A CN 1380379 A CN1380379 A CN 1380379A
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Abstract
The present invention discloses a repairing type lubricating oil additive and its preparation method. Its composition includes 1-10% of aluminium, titanium, zinc and tin granules whose grain size is 10-200 nm, their weight ratio of 5.5-6.5:1.5-2.5:0.5-1.5:0.5-1.5, 88-98% of basis oil for finished product lubricating oil and 1-2% of dispersing additive. Its preparation method incldues the following steps: placing the above-mentioned all the materials into same container, mechanically-stirring and mixing for 20-40 min., placing the mixture and said container into an ultrasonic oscillator to make ultrasonic oscillation for 20-40 min. so as to obtain the invented lubricating oil additive with good repairing effects.
Description
Technical field
The present invention relates to a kind of lubricating oil additive, particularly relate to a kind of repairing type lubricant additive based on nano-metal particle and preparation method thereof.
Background technology
In mechanical means, all position of relative movement such as various friction pairs of existing will produce friction, just the friction accumulation can make surface of friction pair produce wearing and tearing.The existence of friction has consumed extra energy, has reduced mechanical efficiency.The generation of wearing and tearing can make component forfeiture dimensional precision gradually and lose efficacy, and causes equipment scrapping.For oil engine, the generation of wearing and tearing also can cause the cylinder stopping property to descend, and causes oil inflame insufficient, is discharged in the air environment is produced pollution.Therefore, must take the generation of various lubricant methods to reduce friction and to wear and tear in that mechanical means is in service, wherein the most frequently used and the most simple and effective method is to adopt lubricating oil to be lubricated.In research and practical application, find that adopt lubricating oil merely, its lubricant effect still is difficult to satisfy the requirement of many application scenarios, particularly do not possess the requirement of wear surface being carried out selfreparing.
In recent years, the preparation and the utilisation technology of nano metal material have obtained significant progress, have reached the level of suitability for industrialized production gradually.The nano-metal particle material is meant that its geometric scale is the metal ultrafine particle of 1-100nm level, be between single atom and solid-state between the atom set body.After particle size enters nanometer scale, possess many special propertys such as small-size effect, quantum effect, superparamagnetism and ultra-high surface area etc., thereby obtained in fields such as absorption of electromagnetic wave, high density magnetic recording, exhaust purification catalytic, target medicine carriers using widely.
Nearest result of study finds that the nano-metal particle material improves additive as lubricating oil and has a good application prospect, so be born following some technology and products based on this kind novel material are commented respectively below.
US Patent No.4,204,968 disclose a kind of lubricating oil additive.Interpolation material copper and lead that it is main, yardstick are 200nm to 20000nm.The real micron category that belongs to of this additive granules for solving the suspension problem, has to add a large amount of lipid, causes oil viscosity to change, and uses thereby only adapt to the above lubricating oil of 40W.Simultaneously, Qian adding causes environmental pollution.
US Patent No.5,523,006 disclose another kind of lubricating oil additive.Interpolation material adonic that it is main and copper nickel Zinc-tin alloy, yardstick is 10nm to 500nm.In order to solve anti-oxidant and the suspension problem, its particle surface has coated one deck polymeric membrane.This floor height molecular film has reduced the antifriction and the supporting capacity of nano particle, isolated getting in touch between metal ingredient and the body metal, simultaneously, above-mentioned metal alloy almost can't fuse with the iron and steel body because of the relation of crystalline structure, so this kind additive does not almost have repairing effect.In addition, owing to polymeric membrane very easily breaks in friction, the rapid oxidation of its inner metal of back of breaking, thus cause additive to lose efficacy.
Chinese patent ZL98100631.0 also discloses a kind of lubricating repairing agent of Nano metal powder.It adds Nano metal powder is pure nickel and copper, and geometric scale is not more than 40nm and 80nm respectively, and adding proportion is respectively 1-2% and 9-15%, and particle shape is a lumps; It must vacuumize earlier when producing, and carries out under the condition of nitrogen or protection of inert gas.Because copper that is added and nickel are high-energy metals and surface no any protection (otherwise need not to operate in a vacuum); the Chang Zuowei catalyzer uses in petrochemical industry; therefore, in use will cause the lubricating oil body rotten, acidity rises to the corrosion that causes of body.Unshielded lumps particle can in oil, form can not the dispersive bulk hard aggregation, not only can't guarantee to suspend but also can increase the weight of frictional wear.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of repairing type lubricant additive that adopts composite structure ball shaped nano metallic particles material and preparation method thereof is provided.
Technical scheme of the present invention is summarized as follows:
A kind of repairing type lubricant additive is made of following component by weight percentage, and the particle of aluminium, titanium, zinc, tin, content are 1-10%, and the particle diameter yardstick is 10-200nm; Base oil or finished lube, content are 88-98%; Dispersing additive, content are 1-2%, and the particle of aluminium, titanium, zinc, tin is 5.5-6.5: 1.5-2.5: 0.5-1.5: 0.5-1.5 by weight.
Dispersing additive is one of T154, T202, T101.
Aluminium, titanium, zinc, tin particles weight ratio are preferably selected 6: 2: 1: 1.
The content of metallic aluminium, titanium, zinc, tin particles is advisable with 2%, and base oil or finished lube content are most 96%; The content of dispersing additive is preferably 2%.
A kind of preparation method of repairing type lubricant additive, it comprises with the following step: (1) takes by weighing by weight percentage the particle of the aluminium formed, titanium, zinc, tin, and content is 1-10%, and the particle diameter yardstick is 10-200nm; Base oil or finished lube, content are 88-98%; Dispersing additive, content are 1-2%, and the particle of described aluminium, titanium, zinc, tin is 5.5-6.5: 1.5-2.5: 0.5-1.5: 0.5-1.5 by weight; (2) said components is put into same container, carried out mechanical stirring mixed 20-40 minute; (3) miscellany being put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 20-40 minute.
Mechanical stirring mixes preferably 30 minutes time; Preferably 30 minutes ultra-sonic oscillation time.
Aluminium, titanium, zinc, tin particles preferably select 6: 2: 1: 1.
The prescription of repairing type lubricant additive is 2% with metallic particles, and base oil or finished lube are 96%; Dispersing additive 2% is best.
The repairing type lubricant additive preparation method, measure various nano-metal particles, base oil or processed oil and dispersing additive respectively by prescription, put into same container, carried out mechanical stirring mixed 20-40 minute, and miscellany was put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 20-40 minute.
Four kinds of metal nanoparticles of the present invention, its form are spherical, as shown in Figure 1.The outermost layer of its spheroidal particle is coated with the monocrystalline oxide film that a layer thickness is this kind metal of 1-4nm, and this oxide coating film and interior metal core be the coherence relation on crystalline network, as shown in Figure 1.The oxide coating film abnormal compact of this coherence relation, stoped the intrusion of extraneous oxygen and other material, also prevented simultaneously contacting of inner pure metal and extraneous oily medium, avoid nano-metal particle oxidized so on the one hand, also avoided nano-metal particle to be rich in the katalysis of the high activity surface atom pairs lubricating oil of outstanding key itself simultaneously.This is the core part that the present invention is different from other prior art, also is to guarantee to adopt nano-metal particle to make the reason place that lubricating oil additive is achieved success.Preparation environment of the present invention is an open space, does not promptly need vacuum apparatus and protection of inert gas.The present invention compares with currently available products, and it is good to have a repairing effect, and the lubricating oil that is applied is had no adverse effects, and preparation technology's method is simple, the characteristics of the low and environmentally safe of cost.
Description of drawings
Fig. 1 is the TEM picture of composite structure nano-metal particle
Fig. 2 is preprosthetic SEM picture
Fig. 3 is the SEM picture after repairing
Embodiment
The present invention will be further described below in conjunction with embodiment:
Embodiment 1. takes by weighing aluminium 0.55g, the titanium 0.25g that the particle diameter yardstick is 10-200nm: zinc 0.05g: tin 0.15g, base oil or 98g; Dispersing additive T154 1g puts into same container, carries out mechanical stirring mixed 20 minutes; , miscellany is put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 20 minutes, promptly obtain repairing type lubricant additive.
Embodiment 2. takes by weighing aluminium 2.6g, the titanium 1g that the particle diameter yardstick is 10-200nm: zinc 0.2g: tin 0.2g, finished lube 94g; Dispersing additive T202 2g puts into same container, carries out mechanical stirring mixed 30 minutes; , miscellany is put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 30 minutes, promptly obtain repairing type lubricant additive.
Embodiment 3. takes by weighing aluminium 6.5g, the titanium 1.5g that the particle diameter yardstick is 10-200nm: zinc 1.5g: tin 0.5g, finished lube 88g; Dispersing additive T101 2g puts into same container, carries out mechanical stirring mixed 40 minutes, miscellany is put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 40 minutes, promptly obtains repairing type lubricant additive.
Embodiment 4. takes by weighing aluminium 0.6g, the titanium 0.2g that the particle diameter yardstick is 10-200nm: zinc 0.1g: tin 0.1g, base oil 98g; Dispersing additive T154 1g puts into same container, carries out mechanical stirring mixed 30 minutes, miscellany is put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 30 minutes, promptly obtains repairing type lubricant additive.
Embodiment 5. takes by weighing aluminium 2.4g, the titanium 0.8g that the particle diameter yardstick is 10-200nm: zinc 0.4g: tin 0.4g, base oil 94g; Dispersing additive T154 2g puts into same container, carries out mechanical stirring mixed 30 minutes, miscellany is put into ultrasonic oscillator together with container carried out ultra-sonic oscillation 30 minutes, promptly obtains repairing type lubricant additive.
Embodiment 6. dish pins are repaired experiment:
Repairing type lubricant additive by embodiment 4 obtains joins in the lubricating oil in 1: 10 ratio, reparation property determination experiment on dish pin trier, and its result is as shown in Figure 2.
The test of embodiment 7. tail gas:
Repairing type lubricant additive by embodiment 5 obtains joins in the lubricating oil in 1: 10 ratio, has carried out the test of setting out on a journey on SANTANA coventional type car.This car has moved 200,000 Km, has not carried out overhaul.At the beginning of test, arrive first the exhaust emissions that environmental monitoring department measures this car, write down visual sense simultaneously.Behind the operation 3000Km, measure tail gas once more, write down visual sense simultaneously.Its result is as follows:
Comprehensive two test results as seen, this additive has tangible repairing effect.
Claims (7)
1. a repairing type lubricant additive is characterized in that it is made of following component by weight percentage, and the particle of aluminium, titanium, zinc, tin, content are 1-10%, and the particle diameter yardstick is 10-200nm; Base oil or finished lube, content are 88-98%; Dispersing additive, content are 1-2%, and the particle of described aluminium, titanium, zinc, tin is 5.5-6.5: 1.5-2.5: 0.5-1.5: 0.5-1.5 by weight.
2. according to the described repairing type lubricant additive of claim 1, it is characterized in that described dispersing additive is one of T154, T202, T101.
3. repairing type lubricant additive according to claim 1, the weight ratio that it is characterized in that described aluminium, titanium, zinc, tin particles is 6: 2: 1: 1.
4. repairing type lubricant additive according to claim 1, the content that it is characterized in that described aluminium, titanium, zinc, tin particles is 2%, base oil or finished lube content are 96%; The content of dispersing additive is 2%.
5. the preparation method of a repairing type lubricant additive is characterized in that, it comprises with the following step: (1) takes by weighing by weight percentage the particle of the aluminium that constitutes, titanium, zinc, tin, and content is 1-10%, and the particle diameter yardstick is 10-200nm; Base oil or finished lube, content are 88-98%; Dispersing additive, content are 1-2%, and the particle of described aluminium, titanium, zinc, tin is 5.5-6.5: 1.5-2.5: 0.5-1.5: 0.5-1.5 by weight; (2) put into same container, carried out mechanical stirring mixed 20-40 minute; (3) miscellany is put into ultrasonic oscillator together with container and carried out ultra-sonic oscillation 20-40 minute, promptly obtain repairing type lubricant additive.
6. the preparation method of repairing type lubricant additive according to claim 5 is characterized in that the mixed time of described mechanical stirring is 30 minutes.
7. the preparation method of repairing type lubricant additive according to claim 5 is characterized in that the described ultra-sonic oscillation time is 30 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB021210683A CN1141367C (en) | 2002-05-31 | 2002-05-31 | Repairing type lubricant additive and its preparation method |
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| CNB021210683A CN1141367C (en) | 2002-05-31 | 2002-05-31 | Repairing type lubricant additive and its preparation method |
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| CN1141367C CN1141367C (en) | 2004-03-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250460B (en) * | 2007-04-06 | 2010-12-22 | 昆山密友实业有限公司 | Nano metal self-restoring lubricating oil for mechanical sealing element and preparation method thereof |
| CN101100624B (en) * | 2007-07-18 | 2011-05-18 | 深圳先进技术研究院 | Additive for lubricating oil and preparation method thereof |
| CN101024795B (en) * | 2006-02-20 | 2012-06-27 | 司徒健超 | Method for nano lubricant |
| CN101570710B (en) * | 2009-05-25 | 2012-09-05 | 北京航空航天大学 | AlcNiaXb alloy powder engine oil additive applicable to engine and preparation method thereof |
| CN106566600A (en) * | 2016-10-13 | 2017-04-19 | 广西大学 | Self-repairing material for mechanical devices, and preparation method thereof |
-
2002
- 2002-05-31 CN CNB021210683A patent/CN1141367C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024795B (en) * | 2006-02-20 | 2012-06-27 | 司徒健超 | Method for nano lubricant |
| CN101250460B (en) * | 2007-04-06 | 2010-12-22 | 昆山密友实业有限公司 | Nano metal self-restoring lubricating oil for mechanical sealing element and preparation method thereof |
| CN101100624B (en) * | 2007-07-18 | 2011-05-18 | 深圳先进技术研究院 | Additive for lubricating oil and preparation method thereof |
| CN101570710B (en) * | 2009-05-25 | 2012-09-05 | 北京航空航天大学 | AlcNiaXb alloy powder engine oil additive applicable to engine and preparation method thereof |
| CN106566600A (en) * | 2016-10-13 | 2017-04-19 | 广西大学 | Self-repairing material for mechanical devices, and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1141367C (en) | 2004-03-10 |
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