CN109207213A - A kind of low freezing point diesel fuel lubrication modifier and application - Google Patents
A kind of low freezing point diesel fuel lubrication modifier and application Download PDFInfo
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- CN109207213A CN109207213A CN201811355532.1A CN201811355532A CN109207213A CN 109207213 A CN109207213 A CN 109207213A CN 201811355532 A CN201811355532 A CN 201811355532A CN 109207213 A CN109207213 A CN 109207213A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
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- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of low freezing point diesel fuel lubrication modifier and applications, the low freezing point diesel fuel lubrication modifier, it is made of lower polyolefins paraffin oil and pentaerythritol ester, the mass ratio of lower polyolefins paraffin oil and pentaerythritol ester is (1-5): (5-1), and the condensation point of lower polyolefins paraffin oil is -50~-60 DEG C.Diesel fuel lubricity modifier condensation point of the invention is -40~-50 DEG C, and far below the condensation point of commercially available acid type and ester type diesel fuel lubricity modifier, acid value is low, less than 2.5.Diesel fuel lubricity modifier of the invention is made of lower polyolefins paraffin oil and pentaerythritol ester, lower polyolefins paraffin oil has molecule internal double bond, certain lubricating action can be played, increase greasy property, pentaerythritol ester itself has greasy property, along with lower polyolefins paraffin oil improves dissolubility of the pentaerythritol ester in diesel oil, lubricity is improved to a certain extent, greatly improves the greasy property of diesel oil.
Description
Technical field
The present invention relates to a kind of low freezing point diesel fuel lubrication modifier and applications, belong to energy field of combustion technology.
Background technique
Environment is increasingly paid attention in countries in the world, has formulated stringent environmental regulation.Requirement based on environmental regulation, in recent years
Carrying out domestic oil plant takes deep processing process for refining to produce low-sulfur diesel-oil.But in sweetening process, with lubricity
Component, if the polarity in diesel oil is oxygen-containing, nitrogenous compound, aromatic hydrocarbons etc. is also removed, this causes the greasy property of diesel oil significantly
It reduces.In use, all there is diesel engine oil pump and fuel injector is quickly ground in the low-sulfur diesel-oil that many countries promote
The phenomenon that damage.Therefore, the lubricity of low-sulfur diesel-oil is improved for promoting low-sulfur diesel-oil, reduces wear and tear in machines, protection environment has
Important meaning.
The lubricity of low-sulfur diesel-oil is improved, it can be by being compounded with biodiesel, or diesel fuel lubricity modifier is added to mention
The lubricity of high diesel oil.The characteristics of wherein diesel fuel lubricity modifier has additional amount small, significant effect, and be used widely.
Obtaining the widely applied diesel fuel lubricity modifier of the marketization at present is mainly acid type and ester type.Due to price, emulsification
Property etc. reasons, it is main on domestic market or use acid type lubrication modifier.But acid type lubrication modifier has the disadvantage in that
1) be easy to have an effect with metal surface, metal caused to corrode, 2) acid value is high and then improves the corrosivity of diesel oil, be also easy with
Dispersing agent in diesel oil is had an effect, and generates the calcium salt and magnesium salts of slightly solubility, and then blocks fuel system, 3) condensation point is higher, reaches
Less than -20 DEG C, it is difficult to meet the needs under low temperature environment.Esters may emulsify, not since price is higher in use process
It is widely recognized.
Therefore, a kind of environmental-friendly novel low freezing point diesel fuel lubrication modifier of low condensation point is needed.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of low freezing point diesel fuel lubrication modifier and application.
The present invention is achieved through the following technical solutions:
A kind of low freezing point diesel fuel lubrication modifier, is made of lower polyolefins paraffin oil and pentaerythritol ester, lower polyolefins stone
The mass ratio of wax oil and pentaerythritol ester is (1-5): (5-1), and the condensation point of lower polyolefins paraffin oil is -50~-60 DEG C.
Preferred according to the present invention, the low freezing point diesel fuel lubrication modifier condensation point is -40~-50 DEG C.
Preferred according to the present invention, the mass ratio of lower polyolefins paraffin oil and pentaerythritol ester is (1-3): (3-1).
Preferred according to the present invention, the mass ratio of lower polyolefins paraffin oil and pentaerythritol ester is (1-2): (2-1).
Preferred according to the present invention, the mass ratio of lower polyolefins paraffin oil and pentaerythritol ester is 1:2.
Preferred according to the present invention, the mass ratio of lower polyolefins paraffin oil and pentaerythritol ester is 1:1.
It is preferred according to the present invention, lower polyolefins paraffin oil be load aluminum trichloride catalyst be catalyzed low-carbon alkene polymerization or
Copolymerization is made.
The alkene is C2-C10 alkene, it is preferable that alkene is C2-C6 alkene, it is further preferred that alkene is C3 or C4 alkene.
It is further preferred that lower polyolefins paraffin oil is prepared as follows to obtain:
Low-carbon alkene is under load aluminum trichloride catalyst catalysis, under 60-90 DEG C of temperature, pressure 0.04-0.08MPa,
Polymerization or copolyreaction 8-12h collect liquid component, are washed, obtain lower polyolefins paraffin oil.
Preferred according to the present invention, load aluminum trichloride catalyst is silicon dioxide carried alchlor, silica gel load three
Aluminium chloride, activated carbon supported alchlor or polytetrafluoroethylene (PTFE) load alchlor.
Preferred according to the present invention, load aluminum trichloride catalyst is that tetrafluoroethene loads alchlor.
It is to be prepared as follows to obtain that polytetrafluoroethylene (PTFE) ball, which loads alchlor:
A, polyflon is mixed in alcoholic solvent with calcium carbonate, the calcium carbonate and polyflon
Mass ratio is 0.1~0.5:1, after base, compression, 250~350 DEG C of thermal sinterings, impregnates dissolution calcium carbonate by dilute acid soln,
Deionized water washing, it is dry, porous Teflon particle is made；
B, the ratio that porous Teflon particle and alchlor are 1:0.1~0.5 in mass ratio is mixed, in vacuum
Heating makes alchlor distil and is attached in the polytetrafluoroethylene (PTFE) hole and surface of porous structure under sealing state, cools down, mistake
Filter obtains porous Teflon load aluminum trichloride catalyst.
Preferred according to the present invention, the pentaerythritol ester acid value is less than or equal to 0.1mgKOH/g.
Preferred according to the present invention, the pentaerythritol ester is prepared as follows to obtain: pentaerythrite with mix
Fatty acid under the action of catalyst, obtains, esterification degree 60-80% for esterification 6-8 hours at 180-220 DEG C.
It is further preferred that the molar ratio 1:2-3 of pentaerythrite and fatty acid mixed, fatty acid is isooctyl acid, and oleic acid is sub-
The mixture of oleic acid, isooctyl acid, oleic acid, linoleic molar ratio are (0.5-1): 1:(0.3-1).
Above-mentioned catalyst is conventional catalyst, such as Butyl Phthalate, Mono-n-butyltin.
A kind of application of low freezing point diesel fuel lubrication modifier, for improving the lubricity of diesel oil, diesel fuel lubricity modifier
Additive amount is 200-300ppm.
Effect and advantage of the invention:
1, diesel fuel lubricity modifier condensation point of the invention is -40~-50 DEG C, is far below commercially available acid type and ester type diesel fuel lubricity
The condensation point of modifier, acid value is low, less than 2.5.
2, diesel fuel lubricity modifier of the invention is made of lower polyolefins paraffin oil and pentaerythritol ester, lower polyolefins paraffin
Oil has molecule internal double bond, can play certain lubricating action, increase greasy property, pentaerythritol ester itself has lubrication
Performance improves profit along with lower polyolefins paraffin oil improves dissolubility of the pentaerythritol ester in diesel oil to a certain extent
Slip greatly improves the greasy property of diesel oil.
3, diesel fuel lubricity modifier of the invention is made of lower polyolefins paraffin oil and pentaerythritol ester, lower polyolefins paraffin
Oil is similar with the composition of diesel oil, can be improved dissolubility of the pentaerythritol ester in diesel oil, and pentaerythritol ester is avoided to decompose acidification,
Stability of the pentaerythritol ester in diesel oil is improved, lower polyolefins paraffin oil and pentaerythritol ester greatly reduce lubrication and improve
The acid value and condensation point of agent.
4, diesel fuel lubricity modifier of the invention, it is molten in diesel oil that lower polyolefins paraffin oil can be improved pentaerythritol ester
Xie Xing, and stability of the pentaerythritol ester in diesel oil is improved, it furthermore can also play the role of reducing condensation point.
5, diesel fuel lubricity modifier of the invention, itself not sulfur-bearing, nitrogen, the elements such as phosphorus are environmental-friendly, other add with diesel oil
Add agent compatibility good, long-time service will not generate deposit, and diesel combustion is more abundant.
6, diesel fuel lubricity modifier of the invention and diesel oil compatibility are good, and greasy property is good, reduce lubrication modifier
Additive amount saves cost.
Specific embodiment
The method of the present invention is described further below with reference to embodiment, but not limited to this.
Raw materials used and reagent is that market is bought in embodiment.HFRR high-frequency reciprocating tester is existing equipment.
Embodiment 1:
The preparation of oligomerisation of propene paraffin oil:
The silicon dioxide carried alchlor of 30g is fitted into reactor, vacuumizes, is passed through nitrogen, is repeated 4 times.So
After be passed through propylene, so that pressure is reached 0.08MPa, be warming up to 60 DEG C of reactions and continue to be passed through third when pressure drops to 0.04MPa
Alkene makes pressure reach 0.08MPa, repeatedly, reacts 10 hours.After the reaction was completed, reactor is opened, is collected into lurid
Oligomeric paraffin oil.Oligomeric paraffin oil removes water the oligomeric paraffin oil after being refined after 50ml is washed.Product condensation point is -65 DEG C.
Embodiment 2
The preparation of oligomerization of butenes paraffin oil:
The alchlor of 30g silica gel load is fitted into reactor, is vacuumized, nitrogen is passed through, is repeated 4 times.Then
It is passed through butylene, pressure is made to reach 0.12MPa, 80 DEG C of reactions is warming up to and continues to be passed through propylene when pressure drops to 0.04MPa,
So that pressure is reached 0.12MPa, repeatedly, reacts 6 hours.After the reaction was completed, reactor is opened, is collected into lurid oligomeric
Paraffin oil.Oligomeric paraffin oil removes water the oligomeric paraffin oil after being refined after 150ml is washed.Product condensation point is -63 DEG C.
Embodiment 3
The preparation of oligomerisation of propene paraffin oil:
The alchlor that 50g polytetrafluoroethylene (PTFE) ball loads is fitted into reactor, vacuumizes, is passed through nitrogen, be repeated 4
It is secondary.Propylene is then passed to, pressure is made to reach 0.1MPa, 90 DEG C of reactions is warming up to and continues to lead to when pressure drops to 0.02MPa
Enter propylene, pressure is made to reach 0.1MPa, repeatedly, reacts 8 hours.After the reaction was completed, reactor is opened, is collected into light yellow
Oligomeric paraffin oil.Oligomeric paraffin oil removes water the oligomeric paraffin oil after being refined after 100ml is washed.Product condensation point is -62
℃。
Embodiment 4
The preparation of pentaerythritol ester a:
2mol pentaerythrite and 2mol isooctyl acid, 2mol oleic acid, 2mol linoleic acid are added in 2L stainless steel cauldron,
Then the Butyl Phthalate for gross mass 0.5% being added makees catalyst.After nitrogen is replaced 4 times, temperature programming, when temperature is increased to 190
DEG C when, maintain the temperature at 190-210 DEG C react 6 hours.Pentaerythritol ester a, esterification yield 75% are obtained after reaction, and product is
Light yellow liquid, -44 DEG C of condensation point.
Embodiment 5
The preparation of pentaerythritol ester b:
2mol pentaerythrite and 1mol isooctyl acid, 2mol oleic acid, 1mol linoleic acid are added in 2L stainless steel cauldron,
Then the Mono-n-butyltin for gross mass 0.8% being added makees catalyst.After nitrogen is replaced 4 times, temperature programming, when temperature is increased to
At 210 DEG C, maintains the temperature at 210-220 DEG C and react 8 hours.Pentaerythritol ester b is obtained after reaction, and esterification yield 50% produces
Product are light yellow liquid, -42 DEG C of condensation point.
Embodiment 6
The preparation of pentaerythritol ester c:
1mol pentaerythrite and 0.5mol isooctyl acid, 1mol oleic acid, 0.9mol linoleic acid are added to 2L stainless steel reaction
In kettle, the Mono-n-butyltin that gross mass 0.8% is then added makees catalyst.After nitrogen is replaced 4 times, temperature is worked as in temperature programming
When being increased to 210 DEG C, maintains the temperature at 210-220 DEG C and react 8 hours.Pentaerythritol ester, esterification yield are obtained after reaction
60%, product is light yellow liquid, -44 DEG C of condensation point.
Embodiment 7
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerisation of propene paraffin oil and pentaerythritol ester a, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester a are 1:2, -45 DEG C of product condensation point.
Embodiment 8
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerisation of propene paraffin oil and pentaerythritol ester b, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester b are 1:2, -43 DEG C of product condensation point.
Embodiment 9
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerisation of propene paraffin oil and pentaerythritol ester c, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester c are 1:2, -45 DEG C of product condensation point.
Embodiment 10
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerization of butenes paraffin oil and pentaerythritol ester a, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester a are 1:1, -48 DEG C of product condensation point.
Embodiment 11
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerization of butenes paraffin oil and pentaerythritol ester b, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester b are 1:1, -44 DEG C of product condensation point.
Embodiment 12
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerization of butenes paraffin oil and pentaerythritol ester c, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester c are 1:1, -47 DEG C of product condensation point.
Embodiment 13
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerisation of propene paraffin oil and pentaerythritol ester a, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester a are 2:1, -46 DEG C of product condensation point.
Embodiment 14
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerisation of propene paraffin oil and pentaerythritol ester b, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester b are 2:1, -45 DEG C of product condensation point.
Embodiment 15
A kind of low freezing point diesel fuel lubrication modifier, is made of oligomerisation of propene paraffin oil and pentaerythritol ester c, oligomerisation of propene stone
The mass ratio of wax oil and pentaerythritol ester c are 2:1, -48 DEG C of product condensation point.
It can be seen from the above diesel fuel lubricity modifier condensation point is below -40 DEG C, hence it is evident that better than the production applied in the market
Product can satisfy the domain requirement of high request.
Comparative example 1:
A kind of diesel fuel lubricity modifier, for oligomerisation of propene paraffin oil (product of embodiment 1).
Comparative example 2:
A kind of diesel fuel lubricity modifier, for pentaerythritol ester a (product of embodiment 4).
Experimental example:
The lubrication modifier of embodiment 7-15 and comparative example 1-2 are added in diesel oil, tried by HFRR high-frequency reciprocating
The machine of testing is tested, and test result is as follows shown in table 1:
Table 1
| Add dosage (ppm) | It grinds spot (um) | |
| Blank diesel oil | - | 737 |
| Embodiment 7 | 300 | 350 |
| Embodiment 8 | 300 | 320 |
| Embodiment 9 | 300 | 330 |
| Embodiment 10 | 300 | 305 |
| Embodiment 11 | 300 | 310 |
| Embodiment 12 | 300 | 315 |
| Embodiment 13 | 300 | 285 |
| Embodiment 14 | 300 | 300 |
| Embodiment 15 | 300 | 305 |
| Embodiment 13 | 200 | 356 |
| Embodiment 15 | 200 | 360 |
| Commercially available acid type | 300 | 380 |
| Commercially available ester type | 300 | 385 |
| Comparative example 1 (1 product of embodiment) | 300 | 412 |
| Comparative example 2 (4 product of embodiment) | 300 | 370 |
It tests and finds by high-frequency reciprocating tester (HFRR), lower polyolefins paraffin oil obtains compound with pentaerythritol ester
Diesel fuel lubricity modifier still has significant effect in the case where additional amount is few, and additive amount may be significantly less than national standard
Defined requirement.From comparative example 1, comparative example 2 as can be seen that although individual lower polyolefins paraffin oil can also improve diesel oil
Lubricity reduces condensation point, still has abrasion to machinery, although the individual pentaerythritol ester degree of wear is less than comparative example 1,
But it is easy to produce sediment over time, performance is unstable in addition diesel oil, in summary as can be seen that lower polyolefins stone
Wax oil improves dissolubility of the pentaerythritol ester in diesel oil, and then improves lubricity, reduces condensation point and acid value.
Claims (10)
1. a kind of low freezing point diesel fuel lubrication modifier, is made of lower polyolefins paraffin oil and pentaerythritol ester, lower polyolefins paraffin
The mass ratio of oil and pentaerythritol ester is (1-5): (5-1), and the condensation point of lower polyolefins paraffin oil is -50~-60 DEG C.
2. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that the low freezing point diesel fuel lubrication
Modifier condensation point is -40~-50 DEG C.
3. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that lower polyolefins paraffin oil and season penta
The mass ratio of four alcohol esters is (1-3): (3-1).
4. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that lower polyolefins paraffin oil and season penta
The mass ratio of four alcohol esters is (1-2): (2-1).
5. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that lower polyolefins paraffin oil and season penta
The mass ratio of four alcohol esters is 1:2.
6. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that lower polyolefins paraffin oil and season penta
The mass ratio of four alcohol esters is 1:1.
7. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that lower polyolefins paraffin oil is load
Aluminum trichloride catalyst is catalyzed low-carbon alkene polymerization or copolymerization is made, and the alkene is C2-C10 alkene, it is preferable that alkene is
C2-C6 alkene, it is further preferred that alkene is C3 or C4 alkene.
8. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that lower polyolefins paraffin oil is by such as
Lower section method is prepared:
Low-carbon alkene is under load aluminum trichloride catalyst catalysis, under 60-80 DEG C of temperature, pressure 0.04-0.08MPa, polymerization
Or copolyreaction 8-12h, liquid component is collected, is washed, lower polyolefins paraffin oil is obtained, load aluminum trichloride catalyst is two
Silica supported alchlor, silica gel load alchlor, activated carbon supported alchlor or polytetrafluoroethylene (PTFE) load tri-chlorination
Aluminium.
9. low freezing point diesel fuel lubrication modifier according to claim 1, which is characterized in that the pentaerythritol ester acid value
Less than or equal to 0.1mgKOH/g, the pentaerythritol ester is prepared as follows to obtain: pentaerythrite and fatty acid mixed
Under the action of catalyst, it obtains within esterification 6-8 hours at 180-220 DEG C, esterification degree 60-80%, it is preferred that Ji Wusi
The molar ratio 1:2-3 of alcohol and fatty acid mixed, fatty acid are isooctyl acid, oleic acid, linoleic mixture, isooctyl acid, oleic acid, Asia
The molar ratio of oleic acid is (0.5-1): 1:(0.3-1).
10. a kind of application of low freezing point diesel fuel lubrication modifier, for improving the lubricity of diesel oil, diesel fuel lubricity modifier adds
Dosage is 200-300ppm.
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| CN201811355532.1A CN109207213B (en) | 2018-11-14 | 2018-11-14 | Low-freezing-point diesel oil lubrication improver and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695097A (en) * | 2013-11-25 | 2014-04-02 | 张秀丽 | Vehicle lubricating oil and preparation method thereof |
| JP2015227471A (en) * | 2007-03-30 | 2015-12-17 | Ｊｘ日鉱日石エネルギー株式会社 | Base oil for lubrication oil, method for producing the same and lubrication oil composition |
| CN106190366A (en) * | 2016-09-28 | 2016-12-07 | 咸阳东庆石油化工有限公司 | A kind of novel low-sulfur low freezing point diesel fuel lubricity improver |
| CN107488488A (en) * | 2017-08-14 | 2017-12-19 | 吴江华威特种油有限公司 | A kind of peace and quiet type lubricating oil of high temperature resistant low-carbon |
-
2018
- 2018-11-14 CN CN201811355532.1A patent/CN109207213B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015227471A (en) * | 2007-03-30 | 2015-12-17 | Ｊｘ日鉱日石エネルギー株式会社 | Base oil for lubrication oil, method for producing the same and lubrication oil composition |
| CN103695097A (en) * | 2013-11-25 | 2014-04-02 | 张秀丽 | Vehicle lubricating oil and preparation method thereof |
| CN106190366A (en) * | 2016-09-28 | 2016-12-07 | 咸阳东庆石油化工有限公司 | A kind of novel low-sulfur low freezing point diesel fuel lubricity improver |
| CN107488488A (en) * | 2017-08-14 | 2017-12-19 | 吴江华威特种油有限公司 | A kind of peace and quiet type lubricating oil of high temperature resistant low-carbon |
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