CN110257137A - 120000 kilometers long oil draining period heavy duty automobile lubricating oil and preparation method thereof - Google Patents
120000 kilometers long oil draining period heavy duty automobile lubricating oil and preparation method thereof Download PDFInfo
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- CN110257137A CN110257137A CN201910385478.3A CN201910385478A CN110257137A CN 110257137 A CN110257137 A CN 110257137A CN 201910385478 A CN201910385478 A CN 201910385478A CN 110257137 A CN110257137 A CN 110257137A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/047—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/024—Propene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/36—Seal compatibility, e.g. with rubber
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/72—Extended drain
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/252—Diesel engines
Abstract
The present invention relates to a kind of 120,000 kilometers long oil draining period heavy duty automobile lubricating oil and preparation method thereof, belong to vehicle lubricating oil technical field.The 120000 kilometers long oil draining period heavy duty automobile lubricating oil includes the following component according to mass percent meter: III class base oil 63.3%-67.3%, C. polymethacrylates pour-point depressant 0.1%-0.5%, D. viscosity index improver with high shear resistance 4%-8%, E. compound additive 16.4%-20.4% of A. synthetic base oil polyol ester 8%-12%, B., and the sum of each component amounts to 100%.Lubricating oil prepared by the present invention has 120,000 kilometers of longer oil draining period, can be suitable for high-sulfur or low sulphur diesel fuel simultaneously, and can meet the lubrication needs of a variety of diesel engines.
Description
Technical field
The invention belongs to vehicle lubricating oil technical fields, and in particular to a kind of 120,000 kilometers long oil draining period heavy duty automobile
Lubricating oil and preparation method thereof.
Background technique
In recent years, as the environmental regulation for reducing greenhouse gas emission is increasingly strict, force OEM vendor to engine hardware
Technology makes substantial modifications.In addition to being continuously increased power density, efficient emission control systems also change engine combustion
Dynamics performance.And engine oil reduces discharge to riding/commerial vehicle and reduces energy consumption and plays a crucial role.
Early stage and current most of heavy duty automobile lube drain period are ten thousand kilometers of 1-2, replace the working hour of machine oil
Half a day or more is generally required, this substantially reduces the efficiency of operation of vehicle, while more frequently changing oil and also increasing the energy
Consumption and handle the cost of discarded machine oil, be also unfavorable for the prescribed requirement of energy conservation and environmental protection.
In face of efficient logistics demand of today and lubricating oil product industry development trend, many heavy truck producers and OIL IN LUBRICATING OIL PRODUCTION
Quotient start release " 50,000 kilometers long to change oil ", " 100,000 kilometers long to change oil ", as Jia Deshi lubricant corporation release " 80,000 kilometers are changed
The oily phase ", " the 100000 kilometers of oil draining periods " of the graceful release of People, and using this as the competitive advantage of oneself product.
With the development of auto industry and Lubricating Oil Technique, country further increases emission control standard and requires and to execution
The demand of the regulation of time, OEM producer and fleet and business operator to long oil draining period oil product is also increasingly promoted.Therefore it needs to grind
A kind of new heavy load lube product that can meet emission request and provide but also reach long oil draining period requirement is sent out, to meet profit
The demand of lubricating oil market and client.
It is irregular in view of the discharge standard of each department, market vehicle the old and new's model diesel engine, with fuel oil meter model and
The demand of OEM is different, and also gap is larger for the sulfur content height of each department heavy duty automobile fuel, and the big portion of heavy load haulage vehicle
Dividing all is trans-regional operation, and different types of diesel engine is needed using different lube products, operation maintenance at present
It is costly, and the lubricating oil that different types of import heavy vehicle uses, it is also necessary to meet european norm and OEM specification
It is required that.And the quality of domestic lubricant still has greater room for improvement at present.
Summary of the invention
A kind of 120,000 kilometers long oil draining period heavy load vehicle is provided the purpose of the present invention is overcome the deficiencies in the prior art
Lubricating oil and preparation method thereof, lubricating oil of the invention have 120,000 kilometers of longer oil draining period, can be suitable for height simultaneously
Sulphur or low sulphur diesel fuel, and the lubrication needs of a variety of diesel engines can be met.
The present invention adopts the following technical scheme:
120000 kilometers long oil draining period heavy duty automobile lubricating oil, including the following component according to mass percent meter: A.
III class base oil 63.3%-67.3%, C. polymethacrylates pour-point depressant of synthetic base oil polyol ester 8%-12%, B.
0.1%-0.5%, D. viscosity index improver with high shear resistance 4%-8%, E. compound additive 16.4%-20.4%, respectively
The sum of component amounts to 100%.
120000 kilometers long oil draining period heavy duty automobile lubricating oil, including the following component according to mass percent meter: A.
Fully synthetic base oil 63.3%-67.3%, C. polymethacrylates drop of synthetic base oil polyol ester 8%-12%, B.PAO
Solidifying agent 0.1%-0.5%, D. viscosity index improver with high shear resistance 4%-8%, E. compound additive 16.4%-
20.4%, the sum of each component amounts to 100%.
Further, the synthetic base oil polyol ester need to meet 100 DEG C of kinematic viscosity be 4.3-5.0cST, 40 DEG C
Kinematic viscosity is 19.0-25.0cST, and -40 DEG C of kinematic viscosity are 2540-7610cST, and viscosity index (VI) is >=130, and water content is less than
500ppm, total acid number are 0.01-0.02mg KOH/g.
Further, the fully synthetic base oil of the PAO need to meet 100 DEG C of kinematic viscosity 10.0cST, 40 DEG C of kinematic viscosity
For 66cST, -40 DEG C of kinematic viscosity are 39000cST, and viscosity index (VI) is >=130, and water content is less than 500ppm, and total acid number is less than
0.05mg KOH/g。
Further, the viscosity index improver with high shear resistance is high shear performance ethylene propylene copolymer
Viscosity index improver, the compound additive are the compound additive being mutually applicable in CI-4 heavy duty automobile lubricating oil.
The present invention also provides the preparation methods of the 120000 kilometers long oil draining period heavy duty automobile lubricating oil, and step is such as
Under:
Step 1: according to the quality proportioning, first the component A and the B component are added in reconciliation container, with 80-
The heating rate of 120 DEG C/h is warming up to 50 DEG C, sequentially adds component C and D component, constant temperature reconciliation 25-35min, shape at 50 DEG C
At semi-finished product material；
Step 2: continue component E to be added in reconciliation container, be warming up to 55 DEG C with the heating rate of 80-120 DEG C/h, stir
After mixing 38-42min, sampling analysis, according to require be added anti-foaming agent, be stirred for 30min to get.
Compared with the prior art, the present invention has the following beneficial effects:
First: the present invention is oily based on the fully synthetic base oil of PAO or III class base oil, to meet lubricating oil when long
Between the antioxygenic property demand that runs and evaporation loss performance requirement；
Second: the present invention adds partially synthetic base oil polyol ester, to enhance the fully synthetic base oil of PAO or III class basis
Oil to the dispersing and dissolving of oxidation product in the oil in lubricating oil in the solvability of additive, and enhancing vehicle operation,
Reduce the generation of greasy filth and carbon distribution；With the strong feature of synthetic ester lubricant polarity, keep product more compatible with sealing material, prevents
And solve the problems, such as the shrinkage of sealing material；
Third: it by the research and development and adjustment to formula, selects through engine rig test and 120,000 kilometers of driving examinations
It tests, while the compound additive for meeting API CI-4, European newest ACEA E4 specification and numerous market mainstream OEM specifications is made
For functional additive of the invention, the lube product haveing excellent performance can be made, can reach national standard performance requirement, accord with
Merge the performance specification for surmounting lot of domestic and foreign OEM, can meet the needs of market is to long oil draining period lube product；
4th: lubricating oil produced by the present invention has 120,000 kilometers of longer oil draining period, can be suitable for simultaneously high-sulfur or
Low sulphur diesel fuel, and the lubrication needs of a variety of diesel engines can be met, diesel engine lubricant needed for reducing client
Type helps client to save operation cost, can also meet the oily demand of using of numerous different type import heavy vehicles, oil product symbol
Close european norm and OEM performance specifications.
Specific embodiment
Below by specific embodiment, invention is further described in detail, but those skilled in the art will manage
Solution, the following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.
Primary raw material and reagent used in the present invention are as shown in table 1 below:
1 primary raw material of table and reagent
III class base oil, polymethacrylates pour-point depressant, anti-foaming agent are using existing product on the market.
Wherein, the fully synthetic base oil SpectraSyn of PAOTM10:100 DEG C of kinematic viscosity is 10.0cST, and 40 DEG C of movements are viscous
Degree is 66cST, and -40 DEG C of kinematic viscosity are 39000cST, viscosity index (VI) 137, and water content is less than 50ppm, and total total acid number is less than
0.05mg KOH/g)。
Synthetic base oil polyol ester EsterexTMNP343:100 DEG C of kinematic viscosity is 4.3cST, and 40 DEG C of kinematic viscosity are
19.0cST, -40 DEG C of kinematic viscosity are 2540cST, and viscosity index (VI) 136, water content is less than 350ppm, total acid number 0.02mg
KOH/g。
Synthetic base oil polyol ester EsterexTMNP451:100 DEG C of kinematic viscosity is 5.0cST, and 40 DEG C of kinematic viscosity are
25.0cST, -40 DEG C of kinematic viscosity are 7610cST, and viscosity index (VI) 130, water content is less than 500ppm, total acid number 0.01mg
KOH/g。
The long oil draining period heavy duty automobile lubricating oil of of the invention 120,000 kilometers, including according to the as follows of mass percent meter
Component:
A. (need to meet 100 DEG C of kinematic viscosity is 4.3-5.0cST to synthetic base oil polyol ester, and 40 DEG C of kinematic viscosity are
19.0-25.0cST, -40 DEG C of kinematic viscosity are 2540-7610cST, and viscosity index (VI) is >=130, and water content is less than 500ppm, always
Acid value is 0.01-0.02mg KOH/g.) 8%-12%；
B. III class base oil 63.3%-67.3%；
C. polymethacrylates pour-point depressant 0.1%-0.5%；
D. high shear performance ethylene propylene copolymer viscosity index improver 4%-8%；
E. compound additive (compound additive being mutually applicable in CI-4 heavy duty automobile lubricating oil) 16.4%-20.4%,
The sum of each component amounts to 100%.
120000 kilometers long oil draining period heavy duty automobile lubricating oil, including the following component according to mass percent meter:
A. (need to meet 100 DEG C of kinematic viscosity is 4.3-5.0cST to synthetic base oil polyol ester, and 40 DEG C of kinematic viscosity are
19.0-25.0cST, -40 DEG C of kinematic viscosity are 2540-7610cST, and viscosity index (VI) is >=130, and water content is less than 500ppm, always
Acid value is 0.01-0.02mg KOH/g.) 8%-12%；
The fully synthetic base oil of B.PAO (it need to meet 100 DEG C of kinematic viscosity 10.0cST, 40 DEG C of kinematic viscosity are 66cST, -40
DEG C kinematic viscosity is 39000cST, and viscosity index (VI) is >=130, and water content is less than 500ppm, and total acid number is less than 0.05mg KOH/g.
) 63.3%-67.3%；
C. polymethacrylates pour-point depressant 0.1%-0.5%；
D. high shear performance ethylene propylene copolymer viscosity index improver 4%-8%；
E. compound additive (compound additive being mutually applicable in CI-4 heavy duty automobile lubricating oil) 16.4%-20.4%,
The sum of each component amounts to 100%.
The preparation method of the long oil draining period heavy duty automobile lubricating oil of of the invention 120,000 kilometers, steps are as follows:
Step 1: according to the quality proportioning, first the component A and the B component are added in reconciliation container, with 80-
The heating rate of 120 DEG C/h is warming up to 50 DEG C, sequentially adds component C and D component, constant temperature reconciliation 25-35min, shape at 50 DEG C
At semi-finished product material；
Step 2: continue component E to be added in reconciliation container, be warming up to 55 DEG C with the heating rate of 80-120 DEG C/h, stir
After mixing 38-42min, sampling analysis, according to require be added anti-foaming agent, be stirred for 30min to get.
Embodiment 1
120000 kilometers long oil draining period heavy duty automobile lubricating oil, including the following component according to mass percent meter:
A. synthetic base oil polyol ester EsterexTMNP343 10%；
B. III class base oil 65.3%；
C. polymethacrylates pour-point depressant 0.3%；
D. high shear performance ethylene propylene copolymer viscosity index improver 6%；
E. compound additive (compound additive being mutually applicable in CI-4 heavy duty automobile lubricating oil) 18.4%.
The preparation method of 120,000 kilometers long oil draining period heavy duty automobile lubricating oil described in the present embodiment, steps are as follows:
Step 1: according to the quality proportioning, first by the component A synthetic base oil polyol ester EsterexTM NP343
It is added in reconciliation container with the III class base oil of B component, is warming up to 50 DEG C with the heating rate of 80-120 DEG C/h, sequentially adds
Component C polymethacrylates pour-point depressant and D component high shear performance ethylene propylene copolymer viscosity index improver, in 50
Constant temperature reconciliation 25-35min, forms semi-finished product material at DEG C；
Step 2: continue component E compound additive to be added in reconciliation container, be heated up with the heating rate of 80-120 DEG C/h
To 55 DEG C, stir 38-42min after, sampling analysis, according to require be added anti-foaming agent, be stirred for 30min to get.
Embodiment 2
120000 kilometers long oil draining period heavy duty automobile lubricating oil, including the following component according to mass percent meter:
A. synthetic base oil polyol ester EsterexTMNP451 9%；
The fully synthetic base oil SpectraSyn of B.PAOTM10 66.3%；
C. polymethacrylates pour-point depressant 0.4%；
D. high shear performance ethylene propylene copolymer viscosity index improver 7%；
E. compound additive (compound additive being mutually applicable in CI-4 heavy duty automobile lubricating oil) 17.3%.
The preparation method of 120,000 kilometers long oil draining period heavy duty automobile lubricating oil described in the present embodiment, steps are as follows:
Step 1: according to the quality proportioning, first by the component A synthetic base oil polyol ester EsterexTM NP451
With the fully synthetic base oil SpectraSyn of the B component PAOTM10 are added in reconciliation container, with the heating rate of 80-120 DEG C/h
50 DEG C are warming up to, component C polymethacrylates pour-point depressant and D component high shear performance ethylene propylene copolymer are sequentially added
Viscosity index improver, constant temperature reconciliation 25-35min, forms semi-finished product material at 50 DEG C；
Step 2: continue component E compound additive to be added in reconciliation container, be heated up with the heating rate of 80-120 DEG C/h
To 55 DEG C, stir 38-42min after, sampling analysis, according to require be added anti-foaming agent, be stirred for 30min to get.
Lubricating oil made from the embodiment of the present invention 1 is tested for the property, test result is as follows shown in table 2:
2 test result of table
| Project | Performance requirement | Embodiment 1 |
| 40 DEG C of viscosity CST | Report | 94.06 |
| 100 DEG C of viscosity CST | 12.5~< 16.3 | 14.20 |
| CCS -25℃ cP | ≤7000 | 6420 |
| HTHS viscosity | ≥3.5 | 4.0 |
| Evaporation loss % | ≤13 | 10.7 |
| Base number mgKOH/g | ≥12 | 12.7 |
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope is unlimited
In this.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in protection of the invention
Within the scope of, protection scope of the present invention is subject to claims.
Claims (6)
1. 120,000 kilometers long oil draining period heavy duty automobile lubricating oil, which is characterized in that including according to mass percent meter as
Lower component: III class base oil 63.3%-67.3%, C. polymethacrylates of A. synthetic base oil polyol ester 8%-12%, B. drop
Solidifying agent 0.1%-0.5%, D. viscosity index improver with high shear resistance 4%-8%, E. compound additive 16.4%-20.4%, each group
/ and total 100%.
2. 120,000 kilometers long oil draining period heavy duty automobile lubricating oil, which is characterized in that including according to mass percent meter as
Lower component: fully synthetic base oil 63.3%-67.3%, C. polymethylacrylic acid of A. synthetic base oil polyol ester 8%-12%, B.PAO
Ester pour-point depressant 0.1%-0.5%, D. viscosity index improver with high shear resistance 4%-8%, E. compound additive 16.4%-20.4%,
The sum of each component amounts to 100%.
3. 120,000 kilometers long oil draining period heavy duty automobile lubricating oil according to claim 1, which is characterized in that the conjunction
It is 4.3-5.0cST that 100 DEG C of kinematic viscosity, which need to be met, at base oil polyol ester, and 40 DEG C of kinematic viscosity are 19.0-25.0cST ,-
40 DEG C of kinematic viscosity are 2540-7610cST, and viscosity index (VI) is >=130, and water content is less than 500ppm, total acid number 0.01-
0.02mg KOH/g。
4. 120,000 kilometers long oil draining period heavy duty automobile lubricating oil according to claim 2, which is characterized in that described
The fully synthetic base oil of PAO need to meet 100 DEG C of kinematic viscosity 10.0cST, and 40 DEG C of kinematic viscosity are 66cST, and -40 DEG C of kinematic viscosity are
39000cST, viscosity index (VI) are >=130, and water content is less than 50ppm, and total acid number is less than 0.05mg KOH/g.
5. 120,000 kilometers long oil draining period heavy duty automobile lubricating oil according to claim 1 or 2, which is characterized in that institute
Stating viscosity index improver with high shear resistance is high shear performance ethylene propylene copolymer viscosity index improver, described multiple
Closing additive is the compound additive being mutually applicable in CI-4 heavy duty automobile lubricating oil.
6. the preparation method of 120,000 kilometers long oil draining period heavy duty automobile lubricating oil of any of claims 1 or 2, feature exist
In steps are as follows:
Step 1: according to the quality proportioning, first the component A and the B component are added in reconciliation container, with 80-120
DEG C/heating rate of h is warming up to 50 DEG C, sequentially adds component C and D component, constant temperature reconciles 25-35min at 50 DEG C, forms half
Finished product material；
Step 2: continue component E to be added in reconciliation container, be warming up to 55 DEG C with the heating rate of 80-120 DEG C/h, stir 38-
After 42min, sampling analysis, according to require be added anti-foaming agent, be stirred for 30min to get.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111548849A (en) * | 2020-06-03 | 2020-08-18 | 北京一元驭宝贸易有限公司 | Lubricating oil with burning prevention function |
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| CN104017634A (en) * | 2014-06-16 | 2014-09-03 | 王盛良 | Method for preparing energy-saving environment-friendly engine oil matched with engine |
| CN106967483A (en) * | 2017-03-21 | 2017-07-21 | 西京学院 | A kind of stable friction performance lubricant oil composite |
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