CN103031185B - Anti-burning engine oil and preparation method thereof - Google Patents

Anti-burning engine oil and preparation method thereof Download PDF

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Publication number
CN103031185B
CN103031185B CN201110301788.6A CN201110301788A CN103031185B CN 103031185 B CN103031185 B CN 103031185B CN 201110301788 A CN201110301788 A CN 201110301788A CN 103031185 B CN103031185 B CN 103031185B
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oil
base oil
burning engine
engine motor
copper powder
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CN103031185A (en
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张建良
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Zhang An
Zhang Jianliang
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Priority to CN201110301788.6A priority Critical patent/CN103031185B/en
Priority to PCT/CN2012/070648 priority patent/WO2013049976A1/en
Priority to US14/350,336 priority patent/US20140213491A1/en
Publication of CN103031185A publication Critical patent/CN103031185A/en
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    • C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
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Abstract

The invention provides an anti-burning engine oil which comprises base oil and copper powder or ceramic powder, wherein the copper powder or ceramic powder has the particle size of 110-300nm and the depth-diameter aspect ratio of less than or equal to 3: 1; and every liter of base oil contains 25-100g of copper powder or ceramic powder. The anti-burning engine oil provided by the invention contains the nano copper powder or ceramic powder, so that the potential energy of various dragged particles in a cylinder can be increased, and various complicated movements can be formed under the action of the relative movement of a friction pair; therefore, the dry friction is greatly reduced, the anti-burning engine oil has good lubricating property, and the phenomenon that the engine oil is burnt can be avoided; furthermore, the moving particles also have the characteristic of cooling the temperature of an oil film, so that the oxidation resistance of the engine oil is improved, the service life of the engine oil is prolonged, and the maintenance of an engine is improved.

Description

A kind of anti-burning engine motor oil and preparation method thereof
Technical field
The present invention relates to engine oil field, be specifically related to a kind of anti-burning engine motor oil and preparation method thereof.
Background technology
Engine oil, is called for short machine oil, is the lubricant medium of each moving parts in engine system, has the effects such as lubricated, cooling, cleaning and sealing, to guarantee engine effectively and long term operation.The performance of engine oil directly affects working efficiency, oil consumption, output rating, work-ing life and the discharge etc. of engine.
Along with the growth of actual service life, in engine, the tolerance clearance of each friction pair, because wearing and tearing strengthen gradually, has caused the phenomenon of automobile burn oil, and " burn oil " refers to that machine oil has entered the combustion chamber of engine, participated in burning together with gas mixture, this has become the most common failure of automobile.There is " burn oil " phenomenon in vehicle, can make the too fast damage of vehicle ternary catalyzing unit, cause carbon distribution increase, unstable idle speed, the acceleration of combustion chamber unable, the adverse consequences such as oil consumption rising, exhaust emissions exceed standard, severe patient engine lubrication deficiency, engine is caused be difficult to the damage of repairing even to be scrapped, cause the maintenance cost even accident potential that significantly raises.
And the reason of automobile burn oil is mainly because there is metal to-metal contact, the wearing and tearing of piston ring and cylinder wall are increased, it is large that the gap of cylinder wall becomes, and piston ring knife-type oil stripping action weakens, and sealing property declines, and makes part machine oil enter combustion chamber.For the friction between each friction pair parts, on market, there is the lubricating oils such as the resistance to wearing of all multi-brands, reparation, but facts have proved, automobile burn oil situation or phenomenon remain unchanged at present, and current automobile engine oil does not solve dry friction and wear problem.
Summary of the invention
The problem that the present invention solves is to provide a kind of anti-burning petrol engine machine oil and preparation method thereof, and this oil lubricating performance is good, greatly reduces metal to-metal contact, can avoid burn oil phenomenon to occur.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of anti-burning engine motor oil, comprising: base oil and particle diameter are copper powder or the ceramics powder that 110nm～300nm, length-to-diameter ratio are not more than 3: 1, and described copper powder or the ceramics powder amount in every liter of base oil is 25g～100g.
As preferably, anti-burning engine motor oil also comprises fluid additive, and described fluid additive comprises following composition, and the weight percent that accounts for base oil and fluid additive total amount is:
Dispersion agent 3.0%-5.0%,
Purification agent 1.0%-3.0%,
Anti-corrosion additive 0.2%-0.6%,
Oxidation inhibitor 0.1%-0.3%,
Viscosity index improver 2.0%-5.0%,
Surplus is base oil.
As preferably, described base oil is API III class base oil or synthetic base oil.
As preferably, dispersion agent is polyisobutylene-bis-succinimide, the many succimides of polyisobutene, single one or more of hanging in succimide dispersion agent.
As preferably, described purification agent is one or more in synthesising sulfonate, alkyl monosulfide phenates, salicylate.
As preferably, described anti-corrosion additive is one or more in zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, sulphur phosphine base zinc salt.
As preferably, described oxidation inhibitor is 2,6 ditertiary butyl p cresol, 4,4-methylene radical bis-phenol, alpha-naphthylamine, N, N-di-sec-butyl-p-phenyl enediamine.
As preferably, described viscosity index improver is one or both in ethylene-propylene copolymer, hy drogenated styrene-diene copolymer.
A preparation method for anti-burning engine motor oil, comprising:
Be that 110nm～300nm, length-to-diameter ratio are not more than copper powder or the ceramics powder of 3: 1 and add mix and blend in base oil by particle diameter, in every liter of base oil, add described copper powder or ceramics powder 25g～100g.
As preferably, the preparation method of anti-burning engine motor oil comprises:
First base oil and fluid additive are mixed, then described copper powder or ceramics powder are added in the mixed solution obtaining;
Described fluid additive comprises following composition, and the weight percent that accounts for base oil and fluid additive total amount is: dispersion agent 3.0%-5.0%, purification agent 1.0%-3.0%, anti-corrosion additive 0.2%-0.6%, oxidation inhibitor 0.1%-0.3%, viscosity index improver 2.0%-5.0%, surplus is base oil.
The invention provides a kind of anti-burning engine motor oil; in component, contain copper nanoparticle or ceramics powder; increase the various potential energy that is pulled particle in cylinder, under the effect of friction pair relative movement, can form the motion of various complexity, not only greatly reduced metal to-metal contact; there is good lubricity; avoid occurring burn oil phenomenon, the particle simultaneously moving up also has the characteristic that oil film temperature is reduced, and has increased machine oil resistance of oxidation; machine oil long service life, has strengthened the maintenance to engine.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these are described is for further illustrating the features and advantages of the present invention, rather than limiting to the claimed invention.
In the cylinder of engine, there is the particle of various materials, size, shape, when engine operation, each friction pair parts are not direct contact, but particle in cylinder is by back and forth piston ring and the inlet and exhaust valve tappet of moving linearly pull, towed particle is particularly hard under the TRANSIENT HIGH TEMPERATURE of degree more than 2000, cause each friction pair parts to be scratched, the scuffing going round and beginning again and the overlapping dry friction and wear that causes friction pair parts weak link or force part that steel to steel occurs.
The metal to-metal contact that the present invention is directed to this particle generation provides a kind of anti-burning engine motor oil that can eliminate particle metal to-metal contact, this machine oil comprises that base oil and particle diameter are copper powder or the ceramics powder that 110nm～300nm, length-to-diameter ratio are greater than 3: 1, and copper powder or the ceramics powder amount in every liter of base oil is 25g～100g.
Copper powder and the ceramics powder with above-mentioned size, shape are the cores of anti-burning engine motor oil provided by the invention; in machine oil, add this copper powder or ceramics powder; can increase in cylinder various by the potential energy of towing particle; under the effect of friction pair relative movement, particle can form the motion of various complexity; not only greatly reduce metal to-metal contact; reach the effect of rolling resistance; there is good lubricity; avoid occurring burn oil phenomenon; the particle simultaneously moving up also has the characteristic that oil film temperature is reduced, and has increased machine oil resistance of oxidation.
For improving the performance of engine motor oil, in preferred anti-burning engine motor oil, also comprise fluid additive, fluid additive can comprise following composition, the weight percent that respectively accounts for base oil and fluid additive total amount is: dispersion agent 3.0%-6.0%, purification agent 2.0%-3.5%, anti-corrosion additive 0.3%-0.8%, oxidation inhibitor 0.1%-0.3%, viscosity index improver 4.0%-8.0%, surplus is base oil.
Base oil is the element of engine motor oil, as long as machine oil of the present invention contains above-mentioned copper powder or ceramics powder can be realized goal of the invention, conventional base oil may be used to prepare anti-burning engine motor oil provided by the invention in the market, as used API III class base oil or synthetic base oil.API III class base oil is to make with full hydrogenation technique, in performance, considerably beyond I class base oil and II class base oil, especially has higher viscosity index and very low volatility.Synthetic base oil common are synthetic hydrocarbon, synthetic ester, polyethers, silicone oil, contains fluorocarbon oil, phosphoric acid ester, and the thermal oxidation stability of synthetic base oil is good, and heat decomposition temperature is high, and resistance to low temperature is good.
Dispersion agent can make insoluble substance be colloidal suspension state, and the present invention preferably uses polyisobutylene-bis-succinimide, the many succimides of polyisobutene, single one or more of hanging in succimide dispersion agent.The good thermal stability of polyisobutylene-bis-succinimide, the many succimides of polyisobutene, has the good sedimental ability such as High Temperature Disperse engine sludge and carbon deposit; The low temperature dispersive ability of single extension succimide dispersion agent is fine, the formation that can effectively resist low temperature greasy filth.
Purification agent can be removed carbon deposit, the paint film that engine motor oil at high temperature forms, and makes it to become colloidal solution state and is dispersed in oil, reduces harmful sedimental formation and gathering on engine parts, makes engine and metallic surface keep clean.In the present invention, purification agent is preferably one or more in synthesising sulfonate, alkyl monosulfide phenates, salicylate, can effectively remove carbon deposit and paint film, there is the ability of the acidic substance of excellent neutralization oxidation generation simultaneously, rust-preventing characteristic is good, and have certain dissemination, anti-oxidant, wear-resistant and corrosion resistance preferably, act synergistically with other additive compound tense.
Anti-corrosion additive can prevent burning, delay engine oil to starting the corrosion of component.In the present invention, anti-corrosion additive is preferably one or more in zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, sulphur phosphine base zinc salt.Zinc dialkyl dithiophosphate (ZDDP) has good inhibition oil oxidation, prevents the ability of corrosion, resistance to wears effective simultaneously; Zinc dialkyl dithiocarbamate (ZDTC) has good inhibition oil oxidation, prevent the ability of corrosion, and anti-extreme pressure ability is strong simultaneously, and resistance to elevated temperatures excellence is not phosphorous, can not cause engine catalytic converter poisoning; Sulphur phosphine base zinc salt has good oxidation-resistance, abrasion-proof corrosion-proof, Heat stability is good.
Oxidation inhibitor can suppress the oxidation of oil product, the katalysis of passive metal to oxidation, the work-ing life of prolongation oil product, protection engine.Oxidation inhibitor of the present invention is preferably 2,6 ditertiary butyl p cresol, 4,4-methylene radical bis-phenol, alpha-naphthylamine, N, N-di-sec-butyl-p-phenyl enediamine.
Viscosity index improver can improve the viscosity index of oil product, improves its viscosity temperature characteristic, and machine oil can be used under differing temps in the occasion of engine temperature vary within wide limits with throughout the year.Viscosity index improver of the present invention is preferably one or both in ethylene-propylene copolymer, hy drogenated styrene-diene copolymer.Ethylene-propylene copolymer has excellent shear stability, thermostability and good thickening capabilities; Hy drogenated styrene-diene copolymer (HSD) is strong to the thickening capabilities of base oil, and resistance to mechanical shearing is effective, and high temperature performance excellence makes oil product in engine, generate the settlings such as carbon deposit few.
The preparation method of anti-burning engine motor oil of the present invention is: be that 110nm～300nm, length-to-diameter ratio are not more than copper powder or the ceramics powder of 3: 1 and add mix and blend in base oil by particle diameter, add this copper powder or ceramics powder 25g～100g in every liter of base oil.
Preferably also add fluid additive, first by after base oil and fluid additive mixing, then copper powder or ceramics powder are added in mixed solution.
Embodiment 1:
The API III class base oil that is 91.5% by weight percent, 3% polyisobutylene-bis-succinimide, 2% calcium sulfenyl phenolate, 0.3% zinc dialkyl dithiocarbamate, 0.2% 2,6 ditertiary butyl p cresol, 3% ethylene-propylene copolymer viscosity index improver mixing and stirring;
Then the copper powder that by the particle diameter that accounts for base oil 40g/L is 200nm left and right adds in above mixed solution, stirs, and obtains anti-burning engine motor oil.
Embodiment 2:
The API III class base oil that is 89.75% by weight percent, 2% many succimides of polyisobutene, 2% mono butonediimide, 1.5% calcium alkylbenzenesulfonate, 0.5% the pungent primary alkyl zinc salt of sulphur phosphorus fourth, 0.25% 4,4-methylene radical bis-phenol, 4% hy drogenated styrene-diene copolymer mixing and stirring;
Then the ceramics powder that is 150nm by the particle diameter that accounts for base oil 30g/L adds in above mixed solution, stirs, and obtains anti-burning engine motor oil.
Embodiment 3:
The API III class base oil that is 90.95% by weight percent, 4% mono butonediimide, 1% alkyl sodium salicylate, 0.4% zinc dialkyl dithiophosphate, 0.15% alpha-naphthylamine, 3.5% ethylene-propylene copolymer mixing and stirring;
Then the copper powder that by the particle diameter that accounts for base oil 60g/L is 250nm left and right adds in above mixed solution, stirs, and obtains anti-burning engine motor oil.
Embodiment 4:
API III class base oil and polyalphaolefin synthetic oil are formed to synthetic base oil with weight ratio at 3: 2, this synthetic base oil that is 90% by weight percent, 4.5% the many succimides of polyisobutene, 2.5% synthetic sulfonic acid magnesium, 0.2% sulphur phosphorus brothers alkyl zinc salt, 0.3% N, N-di-sec-butyl-p-phenyl enediamine, 2.5% hy drogenated styrene-diene copolymer mixing and stirring;
Then the copper powder that by the particle diameter that accounts for base oil 80g/L is 150nm left and right adds in above mixed solution, stirs, and obtains anti-burning engine motor oil.
Anti-burning engine motor oil prepared by above-described embodiment 1-4 can be according to different vehicle conditions for automobile actual motion, by with the contrast of traditional machine oil, draw to draw a conclusion:
The contrast of table 1 anti-burn oil of the present invention and traditional machine oil
Figure BDA0000096419480000061
From practical application, anti-burning engine motor oil provided by the invention has good lubricated, cooling, sealing, the performance such as anti-oxidant, can prevent that burn oil phenomenon from occurring, and long service life, saves machine oil, reduces the cost of upkeep of automobile.
Above anti-burning engine motor oil of one provided by the present invention and preparation method thereof is described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.

Claims (8)

1. an anti-burning engine motor oil, is characterized in that, comprising: base oil and particle diameter are copper powder or the ceramics powder that 110nm～300nm, length-to-diameter ratio are not more than 3:1, and described copper powder or the ceramics powder amount in every liter of base oil is 25g～100g;
Described anti-burning engine motor oil also comprises fluid additive, and described fluid additive comprises following composition, and the weight percent that accounts for base oil and fluid additive total amount is:
Figure FDA0000462895270000011
2. anti-burning engine motor oil according to claim 1, is characterized in that, described base oil is API III class base oil or synthetic base oil.
3. anti-burning engine motor oil according to claim 1, is characterized in that, dispersion agent is polyisobutylene-bis-succinimide, the many succimides of polyisobutene, single one or more of hanging in succimide dispersion agent.
4. anti-burning engine motor oil according to claim 1, is characterized in that, described purification agent is one or more in synthesising sulfonate, alkyl monosulfide phenates, salicylate.
5. anti-burning engine motor oil according to claim 1, is characterized in that, described anti-corrosion additive is one or more in zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, sulphur phosphine base zinc salt.
6. anti-burning engine motor oil according to claim 1, is characterized in that, described oxidation inhibitor is 2,6 ditertiary butyl p cresol, 4,4-methylene radical bis-phenol, alpha-naphthylamine, N, N-di-sec-butyl-p-phenyl enediamine.
7. anti-burning engine motor oil according to claim 1, is characterized in that, described viscosity index improver is one or both in ethylene-propylene copolymer, hy drogenated styrene-diene copolymer.
8. a preparation method for anti-burning engine motor oil, is characterized in that, comprising:
Be that copper powder or the ceramics powder that 110nm～300nm, length-to-diameter ratio are not more than 3:1 adds mix and blend in base oil by particle diameter, in every liter of base oil, add described copper powder or ceramics powder 25g～100g;
Described base oil also comprises fluid additive, described fluid additive comprises following composition, the weight percent that accounts for base oil and fluid additive total amount is: dispersion agent 3.0%-5.0%, purification agent 2.0%-3.5%, anti-corrosion additive 0.2%-0.6%, oxidation inhibitor 0.1%-0.3%, viscosity index improver 2.0%-5.0%, surplus is base oil.
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