CN1197943C - Additive composition for lubricant oil and its application - Google Patents
Additive composition for lubricant oil and its application Download PDFInfo
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- CN1197943C CN1197943C CN 02116920 CN02116920A CN1197943C CN 1197943 C CN1197943 C CN 1197943C CN 02116920 CN02116920 CN 02116920 CN 02116920 A CN02116920 A CN 02116920A CN 1197943 C CN1197943 C CN 1197943C
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Abstract
The present invention relates to a lubricating oil additive composition. The lubricating oil additive composition is made from the components of the percentage by weight: 1 to 30% of metal detergents with sodium, 3 to 50% of metal detergents with calcium or magnesium, 3 to 70% of ashless dispersants, 3 to 50% of oxidation and corrosion inhibitors and 0 to 20% of diluent oil. The lubricating oil additive composition provided by the present invention contains specific sodium salts, thereby strongly neutralizing acidic materials generated in the ethanol fuel combustion process; therefore, the lubricating oil additive composition is especially suitable for automobile engines using the mixture of gasoline and ethanol as fuel.
Description
Technical field
The invention belongs to lubricant, specifically additive composition for lubricant oil and application thereof.
Technical background
Motor car engine is used and is contained alcoholic acid fuel, can reduce exhaust emissions, satisfies environmental protection requirement, has saved petroleum resources simultaneously.Find that through overtesting the fuel that ethanol is mixed with gasoline as automobile can bring some problems, increase as corrosion increase, premature ignition and engine deposits etc.Therefore, regular motoroil is not suitable for the engine use of this class A fuel A.For example, European patent EP 0411539 is the petrol engine at plug ignition.The engine lubrication that Chinese patent CN1138622A, CN1138623A just act as a fuel at gasoline.Lubricating oil composition provided by the invention has been considered the characteristics of alcohol fuel, has proposed new prescription.
Summary of the invention
The object of the present invention is to provide a kind of additive composition for lubricant oil, promptly can be used for sparking plug formula or the gasoline-fueled engine of EFI formula, can be used for containing the engine of alcohol fuel again.
Another object of the present invention is to provide the purposes of above-mentioned additive composition for lubricant oil.
Compositions of additives provided by the invention is a benchmark with the additive gross weight, comprising:
(I) contain the metal detergent of sodium, 1～30%, preferred 2～20%, more preferably 3～10%;
(II) contain the metal detergent of other metal, 3～50%, preferred 10～40%, more preferably 15～25%;
(III) ashless dispersant, 3～70%, preferred 10～50%, more preferably 25～40%;
(VI) oxidation and corrosion inhibitor, 3～50%, preferred 10～35%, more preferably 15～25%;
(V) thinning oil, 0～20%, preferred 3～15%, more preferably 5～10%.
The said metal detergent that contains sodium (Na) can be a base number 100～400, preferred 250～400 organic sulfonate or alkylsalicylate.
The metal detergent of said calcic, magnesium is that base number is 25～400, alkyl monosulfide phenates, organic sulfonate, alkylsalicylate or their mixture of preferred 100～400 calcium (Ca), magnesium (Mg).
Said ashless dispersant can be that nitrogen content is 1.0～2.5% single polyisobutenyl or butyric two pairs of polyisobutylene imide.
Said oxidation and corrosion inhibitor can be dialkyl dithiophosphate or dialkyl dithiocarbamate, aromatic amine compounds, phenolic compound or their mixture of zinc (Zn) or molybdenum (Mo).
Said thinning oil is that viscosity is 3～10mm
2The lubricating oil of/s can be mineral oil, synthetic oil, hydrogenation technique base oil and their mixture etc.
Compositions of additives provided by the invention joins and can be used for petrolic lubricating in the base oil, and wherein the add-on of compositions of additives (is benchmark with base oil weight) is 3.5～15%, and preferred 5～10%.In base oil, can also add other allotment components such as viscosity index improver, pour point depressant.
Contain special efficacy component sodium salt in the additive composition for lubricant oil provided by the invention, for the acidic substance that produce in the alcohol fuel combustion processes stronger neutralizing effect is arranged, therefore being particularly suitable for gasoline and alcohol mixture is the motor car engine use of fuel.
Embodiment
Embodiment 1: additive composition for lubricant oil T-1
In a heat-stable container, add 8g Maoming 150SN base oil successively, 2g sodium sulfonate, 10g calcium sulfenyl phenolate, 12g calcium sulphonate, 16g zinc dialkyl dithiophosphate T202.10g polyisobutenyl mono butonediimide T151A, the two succimide T152 of 15g polyisobutenyl are heated to 60～70 ℃ while stirring, keep about 20min, make material even, obtain a heavy-gravity liquid.
Embodiment 2: additive composition for lubricant oil T-2
In a heat-stable container, add 6g Dalian 150SN base oil successively, 6g sodium sulfonate, 2g sulfonic acid magnesium, the 8g calcium sulfenyl phenolate, 5g calcium sulphonate, 16g T202,25g T151A, be heated to 60～70 ℃ while stirring, keep about 20min, make material even, obtain a heavy-gravity liquid.
Comparative Examples: additive composition for lubricant oil T-3
In a heat-stable container, add 10g Dalian 150SN base oil successively, 8g alkyl monosulfide acid calcium, 22g sulphur phenol calcium 16g T202,10g T151A, 15g T152 is heated to 60～70 ℃ while stirring, keep about 20min, make material even, obtain a heavy-gravity liquid.
Embodiment 4:
Prepare the lubricating oil composition A-1 of the present invention of the 15W/40 viscosity grade of a total composition, used base oil is the grand celebration paraffinic based oil, adds compositions of additives T-1, viscosity index improver, pour point depressant, its allotment scheme such as following table.
| The component title | Addition, % |
| Grand celebration paraffin base oil 150SN 500SN viscosity index improver OCP pour point depressant T803 compositions of additives T-1 | 41 45 8.0 0.5 5.5 |
Embodiment 5:
The viscosity grade of preparing a total composition is the lubricating oil composition A-2 of the present invention of SAE30, and base oil is the grand celebration paraffinic based oil, adds compositions of additives T-1, pour point depressant, its allotment scheme such as following table.
| The component title | Addition, % |
| Grand celebration paraffin base oil 500SN pour point depressant T803 compositions of additives T-1 | 93.3 0.2 6.5 |
Embodiment 6:
Prepare the lubricating oil composition A-3 of the present invention of the 10W/30 viscosity grade of a total composition, base oil is the grand celebration hydrogenated base oil, adds compositions of additives T-1, viscosity index improver, pour point depressant, its allotment scheme such as following table.
| The component title | Addition, % |
| Grand celebration hydrogenated base oil 5# 10# viscosity index improver OCP pour point depressant T803 compositions of additives T-1 | 44.5 47.7 3.0 0.3 4.5 |
The performance of A-1, A-2, A-3 composition such as following table
| Project | A-1 | A-2 | A-3 |
| 100 ℃ of kinematic viscosity, mm 2/ s low-temperature dynamic viscosity, mpas PDSC, Min coking plate, stop 1hr, the continuous 6hr of mg, mg | 13.5 2760(-15℃) 28.5 38 67 | 11.2 20 15 8 | 10.53 3400(-10℃) 26.76 45 86 |
Embodiment 7:
Prepare the lubricating oil composition A-4 of the present invention of the 15W/40 viscosity grade of a total composition, base oil is the grand celebration paraffinic based oil, add compositions of additives (T-2) 7.0%, viscosity index improver, pour point depressant, compare with a SF reference oil, simulation evaluation the results are shown in following table.
| Project | A-4 | The SF reference oil |
| PDSC inductive phase, 210 ℃ are disperseed spot, % greasy filth generates test, mg coking plate, stop 1hr, the continuous 6hr of mg, mg | 30.5 86 286 25 48 | 27.0 86 341 64 129 |
The oxidation test PDSC inductive phase of last table, greasy filth generate test, disperse the coking plate test of spot test, high temperature detergency to show, lubricating oil composition of the present invention is better than the SF reference oil, can be used for quality scale that the Fuel Petroleum requirement uses and use as the engine of SF level.
Embodiment 8:
Prepare the lubricating oil composition A-5 of the present invention of the 15W/40 viscosity grade of a total composition, base oil is the grand celebration paraffinic based oil, add compositions of additives (T-1) 5.5%, viscosity index improver, pour point depressant, with the special-purpose 15W/40 SF/CC of Xiali level oil phase ratio, this oil product is the process road test on the Xiali car, test fuel is for containing alcohol fuel (adding 15% ethanol in gasoline), and engine is a plug ignition.Simulation evaluation the results are shown in following table.
| Project | A-5 | 15W/40 SF/CC |
| PDSC inductive phase, 210 ℃ of coking plates are stopped 1hr, the continuous 6hr of mg, mg | 28.5 40 75 | 18.7 58 166 |
The test of the oxidation test PDSC inductive phase of last table, the coking plate of high temperature detergency shows that lubricating oil composition performance of the present invention is better than 15W/40 SF/CC special oil, can be as using the lubricated of the engine that contains automobile alcohol fuel, plug ignition.
Embodiment 9:
Prepare the lubricating oil composition A-6 of the present invention of the 15W/40 viscosity grade of a total composition, base oil is the grand celebration paraffinic based oil, add compositions of additives (T-2) 8.0%, viscosity index improver, pour point depressant, one special engine oil 15W/40SG compares with car Santana, this oil product is through road test, test fuel is for containing alcohol fuel (adding 15% ethanol in gasoline), and engine is the EFI igniting.Simulation evaluation the results are shown in following table.
| Project | A-6 | 15W/40SG |
| PDSC inductive phase, 210 ℃ of coking plates, stop 1hr, the continuous 6hr of mg, mg disperses spot, % greasy filth generates test, mg | 32.5 20 58 88 254 | 19.0 74 341 85 896 |
The oxidation test PDSC inductive phase of last table, the test of the coking plate of high temperature detergency, greasy filth generate test, disperse spot test to show, lubricating oil composition performance of the present invention is better than the 15W/40SG special oil, can be as the engine lubrication that contains automobile alcohol fuel, the EFI igniting.
Embodiment 10:
Prepare the lubricating oil composition A-7 of the present invention of the 15W/40 viscosity grade of a total composition, base oil is the grand celebration paraffinic based oil, adds compositions of additives (T-1) 6.5%, viscosity index improver, pour point depressant; Prepare the lubricating oil composition A-8 of the present invention of the 15W/40 of a total composition, base oil is the grand celebration paraffinic based oil, adds compositions of additives (T-3) 6.5%, viscosity index improver, pour point depressant as a comparison; Test-results sees the following form:
| Project | A-7 | A-7 * | A-8 | A-8 * |
| Base number, mgKOH/g base number rate of descent, the % acid number, mgKOH/g acid number rate of rise, % | 8.9 1.42 | 8.5 4.5 1.86 31 | 7.8 1.75 | 7.7 1.3 2.42 38.3 |
Annotate: A-7
*, A-8
*Be the weak acid of adding 0.2% in A-7, A-8.
Find out that from last table add the A-7 oil of sodium salt in lubricating oil composition, the A-8 oil that the rate of rise of oil product acid number does not more add sodium salt is low.Can improve the acid neutralization capacity of oil product, this is even more important in containing the engine oil of alcohol fuel.
Claims (11)
1. an additive composition for lubricant oil is characterized in that, is benchmark with the additive gross weight, comprising:
(I) 1～30% metal detergent that contains sodium;
(II) metal detergent of 3～50% calcics or magnesium, the metal detergent of said calcic, magnesium are the mixtures of alkyl monosulfide phenates, organic sulfonate, and wherein the mass ratio of alkyl monosulfide phenates and organic sulfonate is 5/6～8/7;
(III) 3～70% ashless dispersants;
(VI) 3～50% oxidation and corrosion inhibitors;
(V) 0～20% thinning oil.
2. according to the described composition of claim 1, it is characterized in that the content that (I) contains the metal detergent of sodium is 2～20%; (II) content of the metal detergent of calcic or magnesium is 10～40%; (III) content of ashless dispersant is 10～50%; (VI) content of oxidation and corrosion inhibitor is 10～35%; (V) content of thinning oil is 3～15%.
3. according to the described composition of claim 1, it is characterized in that the content that (I) contains the metal detergent of sodium is 3～10%; (II) content of the metal detergent of calcic or magnesium is 15～25%; (III) content of ashless dispersant is 25～40%; (VI) content of oxidation and corrosion inhibitor is 15～25%; (V) content of thinning oil is 5～10%.
4. according to the described composition of claim 1, it is characterized in that the said metal detergent that contains sodium is that base number is 100～400 organic sulfonate or alkylsalicylate.
5. according to the described composition of claim 4, it is characterized in that the said base number that contains the metal detergent of sodium is 250～400.
6. according to the described composition of claim 1, it is characterized in that the metal detergent base number of said calcic, magnesium is 25～400.
7 according to the described composition of claim 6, it is characterized in that, the base number of the metal detergent of said calcic, magnesium is 100～400.
8. according to the described composition of claim 1, it is characterized in that said ashless dispersant is that nitrogen content is 1.0～2.5% single polyisobutenyl or butyric two pairs of polyisobutylene imide.
9. according to the described composition of claim 1, it is characterized in that said oxidation and corrosion inhibitor is selected from dialkyl dithiophosphate or dialkyl dithiocarbamate, aromatic amine compounds, phenolic compound or their mixture of zinc or molybdenum.
10. according to the described composition of claim 1, it is characterized in that said thinning oil is that viscosity is 3～10mm
2The lubricating oil of/s,
11. the purposes of the described composition of claim 1～10 is characterized in that, adds described compositions of additives in base oil, add-on is 35～15%, and being used for gasoline and alcohol mixture is motor car engine lubricated of fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02116920 CN1197943C (en) | 2002-04-26 | 2002-04-26 | Additive composition for lubricant oil and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02116920 CN1197943C (en) | 2002-04-26 | 2002-04-26 | Additive composition for lubricant oil and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1453348A CN1453348A (en) | 2003-11-05 |
| CN1197943C true CN1197943C (en) | 2005-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02116920 Expired - Lifetime CN1197943C (en) | 2002-04-26 | 2002-04-26 | Additive composition for lubricant oil and its application |
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| Country | Link |
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| CN (1) | CN1197943C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128232A1 (en) * | 2008-05-20 | 2009-12-02 | Castrol Limited | Lubricating composition for ethanol fueled engines |
| CN101602975B (en) * | 2008-12-12 | 2012-05-16 | 上海华普汽车有限公司 | All-methanol engine lubricating oil |
| CN101870912B (en) * | 2010-06-23 | 2012-12-19 | 河南省长城特种润滑脂有限公司 | Diesel engine oil compounding agent and preparation method thereof |
| CN104312702A (en) * | 2014-11-14 | 2015-01-28 | 柳州聚龙科技有限公司 | Car lubrication oil |
| CN106459814B (en) * | 2015-03-24 | 2021-04-06 | 出光兴产株式会社 | Lubricating oil composition for gasoline engine and method for producing same |
| JP6572581B2 (en) * | 2015-03-24 | 2019-09-11 | 出光興産株式会社 | Lubricating oil composition for spark ignition internal combustion engine, method for producing the lubricating oil composition, spark ignition internal combustion engine using the lubricating oil composition, and lubricating method for the internal combustion engine |
| US10214703B2 (en) * | 2015-07-16 | 2019-02-26 | Afton Chemical Corporation | Lubricants with zinc dialkyl dithiophosphate and their use in boosted internal combustion engines |
| US11155764B2 (en) | 2016-05-05 | 2021-10-26 | Afton Chemical Corporation | Lubricants for use in boosted engines |
-
2002
- 2002-04-26 CN CN 02116920 patent/CN1197943C/en not_active Expired - Lifetime
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| Publication number | Publication date |
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| CN1453348A (en) | 2003-11-05 |
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Granted publication date: 20050420 |