CN103789064A - Nanometer synthetic lubricant and preparation method thereof - Google Patents
Nanometer synthetic lubricant and preparation method thereof Download PDFInfo
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- CN103789064A CN103789064A CN201410061081.6A CN201410061081A CN103789064A CN 103789064 A CN103789064 A CN 103789064A CN 201410061081 A CN201410061081 A CN 201410061081A CN 103789064 A CN103789064 A CN 103789064A
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Abstract
The invention relates to a nanometer synthetic lubricant and a preparation method thereof. The nanometer synthetic lubricant comprises the following raw materials in percentage by weight: 60-90% of a lubricant base oil, 0.1-0.6% of a nanometer material, 3-13% of an antioxidant, 4-16% of a dispersant, 1-5% of a tackifier, and 1.9-5.4% of an anti-wear additive. The nanometer synthetic lubricant is prepared by mixing and refining the lubricant base oil, the nanometer material, the antioxidant, the dispersant, the tackifier, and the anti-wear additive by a high shear emulsion production line. The invention has the following beneficial effects that the nanometer synthetic lubricant is a comprehensive technology which can facilitate the energy conservation, emission reducing, environment protecting and efficiency increasing of internal combustion engines and automobile engines, and in the premise of saving a lot of operation cost, the nanometer synthetic lubricant can advance the achievement of the emission reduction goal which is superior to 'state V emission standards', the level of PM2.5 is reduced in the excellent emission standard, and the high-powered driving fun of users brought by the pressure of a cylinder of the engine is recovered and improved.
Description
Technical field
The present invention relates to a kind of nanometer ucon oil and preparation method thereof.
Background technology
Lubricating oil is to be mixed by lubricant base and multiple additives.Base oil is divided into three kinds substantially in the market, i.e. mineral oil, semi-synthetic oil and synthetic oil.According to custom, the base oil extracting by physics distillating method is called to mineral oil (the non-deep hydrogenation base oil of part also should call mineral oil) from oil.Synthetic oil, as the term suggests the base oil (its composition majority is not directly present in oil) obtaining by chemosynthesis exactly.Synthetic oil and mineral oil is definition accurately not, and this is the saying being commonly called as, so there be saying of semi-synthetic oil.API (API) is divided into five classes to base oil, conventionally the 3rd class and the 4th class base oil is called to synthetic oil.
Base oil is exactly mineral oil in fact, and so-called semi-synthetic base oil and complete synthesis base oil are point of destination result definition through constantly adding gradually the material of multiple physics and chemistry composition to improve the wear-resistant, anti-oxidant, corrosion-resistant of lubricating oil and increase the special efficacy such as glutinous exactly.Common synthetic oil is: PAO class, XHVI class, ester class.In addition VHVI class base oil performance is between synthetic oil and mineral oil, though there is people to be called synthetic oil, its performance (as viscosity-temperature characteristics and oxidation-resistance etc.) is compared with PAO, and XHVI and ester class have larger gap.PAO and XHVI are the base oils that is widely used as engine oil most, and wherein, XHVI is the synthesis type base oil of shell patented technology, and the synthetic motor oil of Mobil is mainly take PAO as raw material, and the synthetic oil of Castrol is base oil mainly with ester class.XHVI is close with PAO performance, but ester class engine oil performance and first two in oxidation-resistance have certain gap.
China's industry is now immediately following west new technology, a lot of oil products that use the U.S., Japan, Europe, therefore start gradually to quote these national standards (as U.S. SAE, Japanese JIS, the CCMC of the European Community, German DIN etc.), the existing lubricating oil standard of China (SY, SH, GB) is also progressively drawn close to these standards, especially with reference to U.S. SAE standard.Global economic integration is inexorable trend, various countries' lubricating oil industry adopts standard progressively unanimously or to be mutually equal to, China is no exception, first classification and ISO(GB standardization body) consistent: totally ten three major types, main several large class oil product has all adopted the up-to-date criteria classification of GB as I. C. engine oil, gear oil, hydraulic pressure wet goods, go with regard to standard, the level of China is synchronizeed with GB.
But in actual applications, the lubricating oil of China and developed country's level disparity are obvious, the I. C. engine oil of consumption maximum in lubricating oil, we generally use SE, SG level, and developed country has used SH, SJ level, has differed 2,3 grades (arranging in alphabetical order); China can produce SH, SJ now, the even I. C. engine oil of SM level, but critical materials: oil engine composite additive, or basic dependence on import; The actual gap of Here it is China and international most advanced level.
Under this background, there are obvious energy-saving and emission-reduction for producing, increase efficiency, the high-end nano lubricating oil of health care engine provides chance and market, the lubricating oil processing state of the art of also catching up with and surpassing world advanced person for China scientific research personnel provides wide development space.
Summary of the invention
The object of this invention is to provide a kind of nanometer ucon oil and preparation method thereof, be exactly for the limitation of Lubricating Oil Technique in the market and energy-saving and emission-reduction present situation, by alloy nano-material and synthesis auxiliary material and lube basestocks, cut the shearing of emulsification production line by height and synthesize a kind of high-end nano lubricating oil with energy-saving and emission-reduction, environmental protection synergy, fuel-economizing health care comprehensive energy efficiency, made up weak point of the prior art.
The object of the invention is to be achieved through the following technical solutions:
A kind of nanometer ucon oil, comprises the raw material of following weight percent: 60～90% lubricant base, 0.1～0.6% nano material, 3～13% oxidation inhibitor, 4～16% dispersion agent, 1～5% viscosity increaser and 1.9～5.4% anti-wear agent.
Described lubricant base adopts I class base oil or II class base oil, and viscosity index is 80～120.
Described nano material adopts the ultra-fine multicomponent alloy nanometer powder that granularity is 50～1nm.
Described ultra-fine multicomponent alloy nanometer powder is the ultra-fine multicomponent alloy nanometer powder being made up of platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum.
Described oxidation inhibitor is peroxide decomposer ST-135 or IRGANOX-L135.
Described dispersion agent is non-polymeric type succimide.
Described viscosity increaser is hydrogenated styrene-butadiene block polymkeric substance (SEBS) or hydrogenated styrene-isoprene block polymkeric substance (SEPS).
Described anti-wear agent is dialkyl group thiosulfuric acid zinc salt anti-wear agent.
The preparation method of described nanometer ucon oil, comprises the following steps:
First choose lubricant base, 0.1～0.6% nano material, 3～13% oxidation inhibitor, 4～16% dispersion agent, 1～5% viscosity increaser and 1.9～5.4% the anti-wear agent of raw material 60～90% by following weight percent, in above ratio, Lube basic oil material feedstocks is delivered to reactor from raw material tank field by toothed gear pump, other raw materials are delivered in reactor after mixing according to the above ratio;
Then, by heating material to 80 ℃, various materials carry out after high-shear stirring and emulsifying 20h emulsification in reactor, obtain high level nanometer ucon oil product, be water-cooled to 40 ℃ from being transported to cooling tank circulating cooling by toothed gear pump at the bottom of still, the products pot that cooled product is pressed onto tank field stores;
Finally, product is extracted out from products pot, delivers to flow automatically to fully automated assembly line quantitative pot after packing factory building header tank and dress up as barreled product nanometer ucon oil.
Beneficial effect of the present invention is: comprehensive effect of the prepared nanometer ucon oil of the present invention is to surmount the advanced Lubricating Oil Technique in the American-European world, in world lead level.Multicomponent alloy nano material composition in ucon oil is at oil engine, in engine starting operational process, under high pressure and hot conditions that each parts contact friction produces, be melted and be " liquid metal droplet " state, voluntarily at piston, cylinder, bent axle, bearing shell, bearing, gear, cam, tappet, rocking arm, when all surface of the work infiltrations of the direct contact friction operation of each parts such as connecting rod are clamp-oned to abrading sections such as micro-groove and micro-lattice gaps, by brush plating one deck " the mild alloy lubricating protective film of persistence oil-containing ", (0.1 μ m-200 μ reduces and prevents premature wear and the boundary wear of the each parts of engine m) and greatly, improve voluntarily the sealing property of repairing cylinder, reduce cylinder leakage tester amount, increase compression pressure without combustion, prevent from altering on machine oil burned, and make the dynamic property of engine, economy and emission behavior are improved voluntarily.Meanwhile, because multicomponent alloy nano material is in gas mixture or fuel oil, the moment of igniting in combustion chamber plays catalysis to carbon monoxide (CO) and hydrocarbon polymer (HC) and oxygenizement and the reductive action to oxynitrides (NOX) and makes " nontoxic gas that CO, HC, NOX are converted into CO2, H2O and N2 voluntarily ", thereby make engine reach oil-saving discharging-reducing, anti-attrition noise reduction, exempt to tear open and be excused from a college course, and can extend the ideal effect of engine operation life.The prepared alloy nano lubricating oil of the present invention uses and among new car, can make new engine be avoided the wearing and tearing of new car parts impurity and exempt run-in period, early stage and life-time service can allow engine obtain immunizing health effect, exempt from for a long time dismounting, can remove engine overhaul from.
Embodiment
Below by specific embodiment, nanometer ucon oil of the present invention and preparation method thereof is described in further details.
Embodiment 1
Nanometer ucon oil described in embodiment 1, comprises the raw material of following weight: non-polymeric type succimide, hydrogenated styrene-butadiene block polymkeric substance (SEBS) of 50kg and the dialkyl group thiosulfuric acid zinc salt anti-wear agent of 54kg of peroxide decomposer ST-135, the 160kg of the I class base oil of 600kg, the ultra-fine multicomponent alloy nanometer powder being made up of platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum of 6kg, 130kg.
The preparation method of the nanometer ucon oil described in embodiment 1, comprises the following steps:
First choose non-polymeric type succimide, hydrogenated styrene-butadiene block polymkeric substance (SEBS) of 50kg and the dialkyl group thiosulfuric acid zinc salt anti-wear agent of 54kg of peroxide decomposer ST-135, the 160kg of the ultra-fine multicomponent alloy nanometer powder being formed by platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum, the 130kg of I class base oil, the 6kg of raw material 600kg by following weight, the I class base oil of 600kg is delivered to reactor from raw material tank field by toothed gear pump, and other raw materials are delivered in reactor after mixing;
Then, by heating material to 80 ℃, various materials carry out after high-shear stirring and emulsifying 20h emulsification in reactor, obtain SN level nanometer ucon oil product, be water-cooled to 40 ℃ from being transported to cooling tank circulating cooling by toothed gear pump at the bottom of still, the products pot that cooled product is pressed onto tank field stores;
Finally, product is extracted out from products pot, delivers to flow automatically to fully automated assembly line quantitative pot after packing factory building header tank and dress up as barreled product nanometer ucon oil.
Embodiment 2
Nanometer ucon oil described in embodiment 2, comprises the raw material of following weight: non-polymeric type succimide, hydrogenated styrene-isoprene block polymkeric substance (SEPS) of 10kg and the dialkyl group thiosulfuric acid zinc salt anti-wear agent of 19kg of peroxide decomposer ST-135, the 40kg of the II class base oil of 900kg, the ultra-fine multicomponent alloy nanometer powder being made up of platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum of 1kg, 30kg.
The preparation method of the nanometer ucon oil described in embodiment 2, comprises the following steps:
First choose non-polymeric type succimide, hydrogenated styrene-isoprene block polymkeric substance (SEPS) of 10kg and the dialkyl group thiosulfuric acid zinc salt anti-wear agent of 19kg of peroxide decomposer ST-135, the 40kg of the ultra-fine multicomponent alloy nanometer powder being formed by platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum, the 30kg of II class base oil, the 1kg of raw material 900kg by following weight, the II class base oil of 900kg is delivered to reactor from raw material tank field by toothed gear pump, and other raw materials are delivered in reactor after mixing;
Then, by heating material to 80 ℃, various materials carry out after high-shear stirring and emulsifying 20h emulsification in reactor, obtain SJ level nanometer ucon oil product, be water-cooled to 40 ℃ from being transported to cooling tank circulating cooling by toothed gear pump at the bottom of still, the products pot that cooled product is pressed onto tank field stores;
Finally, product is extracted out from products pot, delivers to flow automatically to fully automated assembly line quantitative pot after packing factory building header tank and dress up as barreled product nanometer ucon oil.
Embodiment 3
Nanometer ucon oil described in embodiment 3, comprises the raw material of following weight: non-polymeric type succimide, hydrogenated styrene-butadiene block polymkeric substance (SEBS) of 40kg and the dialkyl group thiosulfuric acid zinc salt anti-wear agent of 37kg of peroxide decomposer IRGANOX-L135, the 120kg of the I class base oil of 700kg, the ultra-fine multicomponent alloy nanometer powder being made up of platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum of 3kg, 100kg.
The preparation method of the nanometer ucon oil described in embodiment 3, comprises the following steps:
First choose non-polymeric type succimide, hydrogenated styrene-butadiene block polymkeric substance (SEBS) of 40kg and the dialkyl group thiosulfuric acid zinc salt anti-wear agent of 37kg of peroxide decomposer IRGANOX-L135, the 120kg of the ultra-fine multicomponent alloy nanometer powder being formed by platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum, the 100kg of I class base oil, the 3kg of raw material 700kg by following weight, the I class base oil of 700kg is delivered to reactor from raw material tank field by toothed gear pump, and other raw materials are delivered in reactor after mixing;
Then, by heating material to 80 ℃, various materials carry out after high-shear stirring and emulsifying 20h emulsification in reactor, obtain SM level nanometer ucon oil product, be water-cooled to 40 ℃ from being transported to cooling tank circulating cooling by toothed gear pump at the bottom of still, the products pot that cooled product is pressed onto tank field stores;
Finally, product is extracted out from products pot, delivers to flow automatically to fully automated assembly line quantitative pot after packing factory building header tank and dress up as barreled product nanometer ucon oil
Above-mentionedly only several specific embodiments in the present invention are illustrated, but can not be defined as protection scope of the present invention, every equivalence of having done according to the design spirit in the present invention changes or modifies, and all should think and fall into protection scope of the present invention.
Claims (9)
1. a nanometer ucon oil, it is characterized in that, comprise the raw material of following weight percent: 60～90% lubricant base, 0.1～0.6% nano material, 3～13% oxidation inhibitor, 4～16% dispersion agent, 1～5% viscosity increaser and 1.9～5.4% anti-wear agent.
2. nanometer ucon oil according to claim 1, is characterized in that: described lubricant base adopts I class base oil or II class base oil, and viscosity index is 80～120.
3. nanometer ucon oil according to claim 1, is characterized in that: described nano material adopts the ultra-fine multicomponent alloy nanometer powder that granularity is 50～1nm.
4. nanometer ucon oil according to claim 3, is characterized in that: described ultra-fine multicomponent alloy nanometer powder is the ultra-fine multicomponent alloy nanometer powder being made up of platinum, palladium, rhodium, bismuth, antimony, zinc, tin, indium, copper and rich lanthanum.
5. nanometer ucon oil according to claim 1, is characterized in that: described oxidation inhibitor is peroxide decomposer ST-135 or IRGANOX-L135.
6. nanometer ucon oil according to claim 1, is characterized in that: described dispersion agent is non-polymeric type succimide.
7. nanometer ucon oil according to claim 1, is characterized in that: described viscosity increaser is hydrogenated styrene-butadiene block polymkeric substance or hydrogenated styrene-isoprene block polymkeric substance.
8. nanometer ucon oil according to claim 1, is characterized in that: described anti-wear agent is dialkyl group thiosulfuric acid zinc salt anti-wear agent.
9. the preparation method of the nanometer ucon oil described in claim 1-8 any one, is characterized in that, comprises the following steps:
First choose lubricant base, 0.1～0.6% nano material, 3～13% oxidation inhibitor, 4～16% dispersion agent, 1～5% viscosity increaser and 1.9～5.4% the anti-wear agent of raw material 60～90% by following weight percent, in above ratio, Lube basic oil material feedstocks is delivered to reactor from raw material tank field by toothed gear pump, other raw materials are delivered in reactor after mixing according to the above ratio;
Then, by heating material to 80 ℃, various materials carry out after high-shear stirring and emulsifying 20h emulsification in reactor, obtain high level nanometer ucon oil product, be water-cooled to 40 ℃ from being transported to cooling tank circulating cooling by toothed gear pump at the bottom of still, the products pot that cooled product is pressed onto tank field stores;
Finally, product is extracted out from products pot, delivers to flow automatically to fully automated assembly line quantitative pot after packing factory building header tank and dress up as barreled product nanometer ucon oil.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886080A (en) * | 2016-04-21 | 2016-08-24 | 上海润立得材料科技有限公司 | Modified nano material lubricating oil |
| CN107418650A (en) * | 2017-05-28 | 2017-12-01 | 张进忠 | A kind of discovery and preparation method containing super lubriation material lubricating oil |
| CN107557112A (en) * | 2017-09-18 | 2018-01-09 | 吴江华威特种油有限公司 | A kind of new mist of oil lubricating oil and preparation method thereof |
| CN108559583A (en) * | 2018-04-28 | 2018-09-21 | 山东源根化学技术研发有限公司 | Antiwear and antifriction antioxidant additive and containing the additive energy-saving hydraulic oil |
| CN109022101A (en) * | 2018-07-09 | 2018-12-18 | 北方民族大学 | A kind of anti-attrition antiwear additive and its application in Reclaimed Base Oil |
| CN109233958A (en) * | 2018-10-18 | 2019-01-18 | 上海加美实业有限公司 | A kind of automobile oil |
| CN109536244A (en) * | 2018-07-10 | 2019-03-29 | 江苏机擎恒安节能环保科技有限公司 | A kind of engine chamber targeting recovery technique |
| CN110157515A (en) * | 2019-06-19 | 2019-08-23 | 泉州市迈辉化工贸易有限公司 | A kind of cleaning lubricating oil and production technology based on nanotechnology |
| CN110699162A (en) * | 2019-11-25 | 2020-01-17 | 秦引 | Lubricating oil for automobile detection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560206A (en) * | 2004-02-24 | 2005-01-05 | 安鹰泽 | Additive of Nano alloy lubricating oil special for internal combustion engine and its making method |
| CN102942982A (en) * | 2012-12-03 | 2013-02-27 | 季立忠 | Lubricating oil for natural gas engine and preparation method thereof |
-
2014
- 2014-02-24 CN CN201410061081.6A patent/CN103789064B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560206A (en) * | 2004-02-24 | 2005-01-05 | 安鹰泽 | Additive of Nano alloy lubricating oil special for internal combustion engine and its making method |
| CN102942982A (en) * | 2012-12-03 | 2013-02-27 | 季立忠 | Lubricating oil for natural gas engine and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886080A (en) * | 2016-04-21 | 2016-08-24 | 上海润立得材料科技有限公司 | Modified nano material lubricating oil |
| CN107418650A (en) * | 2017-05-28 | 2017-12-01 | 张进忠 | A kind of discovery and preparation method containing super lubriation material lubricating oil |
| CN107557112A (en) * | 2017-09-18 | 2018-01-09 | 吴江华威特种油有限公司 | A kind of new mist of oil lubricating oil and preparation method thereof |
| CN108559583A (en) * | 2018-04-28 | 2018-09-21 | 山东源根化学技术研发有限公司 | Antiwear and antifriction antioxidant additive and containing the additive energy-saving hydraulic oil |
| CN109022101A (en) * | 2018-07-09 | 2018-12-18 | 北方民族大学 | A kind of anti-attrition antiwear additive and its application in Reclaimed Base Oil |
| CN109536244A (en) * | 2018-07-10 | 2019-03-29 | 江苏机擎恒安节能环保科技有限公司 | A kind of engine chamber targeting recovery technique |
| CN109233958A (en) * | 2018-10-18 | 2019-01-18 | 上海加美实业有限公司 | A kind of automobile oil |
| CN110157515A (en) * | 2019-06-19 | 2019-08-23 | 泉州市迈辉化工贸易有限公司 | A kind of cleaning lubricating oil and production technology based on nanotechnology |
| CN110699162A (en) * | 2019-11-25 | 2020-01-17 | 秦引 | Lubricating oil for automobile detection |
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