CN102504915A - Lube oil additive composition for internal combustion engines - Google Patents
Lube oil additive composition for internal combustion engines Download PDFInfo
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- CN102504915A CN102504915A CN2011103642726A CN201110364272A CN102504915A CN 102504915 A CN102504915 A CN 102504915A CN 2011103642726 A CN2011103642726 A CN 2011103642726A CN 201110364272 A CN201110364272 A CN 201110364272A CN 102504915 A CN102504915 A CN 102504915A
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- internal combustion
- combustion engine
- oil additive
- engine lubrication
- sulfamate
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Abstract
The invention relates to a lube oil additive composition for internal combustion engines and is characterized in that the lube oil additive composition comprises the following components by mass percent: alkyl sulfo-sulfamate, calciferous/magniferous/sodic metallic detergent, ashless dispersant, antioxygen anticorrosion agent, and diluent oil. The lube oil additive composition provided by the invention contains a specially effective component, namely the alkyl sulfo-sulfamate; and the alkyl sulfo-sulfamate has a protruding extreme pressure antiwear property and better thermal oxidation stability and can be used in combination with other additives of internal combustion engine oil to improve the extreme pressure antiwear property, the thermal oxidation stability, the cleanliness and the dispersivity of the oil, so as to realize energy conservation and antifriction.
Description
Technical field
The present invention relates to field of lubricant, specifically a kind of internal combustion engine lubrication oil additive composition.
Technical background
Along with the continuous increase of energy consumption, economic IC engine oil more and more becomes the focus of research.In I. C. engine oil, mainly reduce friction, thereby realize fuel saving through adding energy-saving low friction compound.In I. C. engine oil, the extreme pressure anti-wear additives of use, low friction compound, oxidation inhibitor mainly comprise amine low friction compound, organic-molybdenum salt and dialkyl dithiophosphate or dialkyl dithiocarbamate, aromatic amine compounds, phenolic cpd or their mixture.In the compsn of I. C. engine oil, do not see with the compsn of alkylthio sulfamate and use as extreme-pressure anti-wear and oxidation inhibitor.Through literature search; Application document and patent about internal combustion engine oil additive composition mainly comprise: (a) CN1117993A provides a kind of lubricating oil composite for diesel engine; Said composition has been utilized the synergy between calcium sulfenyl phenolate and the SAP 002, and is splendid to solving engine piston apical ring groove carbon-filling rate effect.(b) CN1138623A provides a kind of lubricating oil composition of petrol motor, contains a large amount of lubricating oil and a spot of ashless dispersant, metal detergent, the anti-rotten antiwear agents of antioxygen and viscosity index improver.(c) CN1314459A discloses a kind of large diesel engine lubricating oil composition that is no more than 0.10% weight phosphorus that has, and comprises phosphorodithioic acid dialkyl ester salt and the phenols or the amine antioxidants of ashless dispersant, neutral calcium phenylate, high alkaline calcium sulfonate or magnesium, metal.
Summary of the invention
The object of the present invention is to provide a kind of additive composition for lubricant oil, this compsn joins in the lubricant base, can satisfy the lubricated purpose that can reach energy-conservation antifriction again of oil engine.
The technical scheme that realizes the object of the invention is following:
A kind of internal combustion engine lubrication oil additive composition, its component and quality percentage composition are:
The alkylthio sulfamate, 0.01～20%, preferred 0.1～10%, more preferably 0.3～5%;
The metal detergent of calcic, magnesium or sodium, 3～50%, preferred 10～40%, more preferably 15～25%;
Ashless dispersant, 3～70%, preferred 10～50%, more preferably 25～40%;
Oxidation and corrosion inhibitor, 3～50%, preferred 10～35%, more preferably 15～25%;
Thinning oil, 0～20%, preferred 3～15%, more preferably 5～10%.
And the carbonatoms in the alkyl of described alkylthio sulfamate is 4～28, preferred 8～18.
And the metal detergent of described calcic or magnesium or sodium is that base number is 25～400, the mixture of one or several of the alkyl monosulfide phenates of preferred 100～400 calcium, magnesium, sodium, organic sulfonate, alkylsalicylate.
And described ashless dispersant is that nitrogen content is one of single polyisobutenyl of 1.0～2.5%, butyric two pairs of polyisobutylene imide or any several kinds mixture.
And described oxidation and corrosion inhibitor is selected from one of dialkyl dithiocarbamate, aromatic amine compounds, phenolic cpd of dialkyl dithiophosphate, zinc or the molybdenum of zinc or molybdenum or any several kinds mixture.
And described thinning oil is that viscosity is 3～10mm
2The lubricating oil of/s can be MO, synthetic oil, hydrogenation technique base oil and their mixture etc.
And; The method of use of said internal combustion engine lubrication oil additive composition is that said compositions of additives is joined mixing in the base oil; Add-on is 3.5～15%, and is preferred 5～10%, in base oil, can also add other allotment components such as viscosity index improver, pour point depressant.
Advantage of the present invention and beneficial effect:
(1) contains special efficacy component alkylthio sulfamate in the internal combustion engine lubrication oil additive composition provided by the invention; The alkylthio sulfamate has outstanding extreme pressure anti-wear and thermal oxidation stability preferably; Use with other additive compound of I. C. engine oil; Can improve extreme pressure anti-wear and thermal oxidation stability, quietness and the dispersing property of oil product, thereby realize energy-conservation antifriction.
(2) lubricating oil composition each item performance of the present invention all is superior to the 5W/30SJ gasoline engine oil, is used for the engine lubrication of oil engine, reaches the purpose of fuel saving.
Embodiment
Below in conjunction with embodiment, the present invention is further specified, following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
Embodiment 1:
Preparation additive composition for lubricant oil T-1
In a heat-stable container, add 8g Maoming 150SN base oil successively, 1g alkylthio sulfamate, 2g sodium sulfonate; The 10g calcium sulfenyl phenolate, 12g calcium sulphonate, 16g zinc dialkyl dithiophosphate T202,1g dialkyl diphenylamine; 10g polyisobutenyl mono butonediimide T151A, the two succimide T154 of 15g polyisobutenyl are heated to 60～70 ℃ while stirring; Keep about 20min, make material even, obtain a heavy-gravity liquid.
Embodiment 2:
Preparation additive composition for lubricant oil T-2
In a heat-stable container, add 6g Dalian 150SN base oil successively, 2g alkylthio sulfamate, 4g sulfonic acid magnesium; The 8g calcium sulfenyl phenolate, 5g calcium sulphonate, 14g T202; The 4g dialkyl diphenylamine, 25g T151A is heated to 60～70 ℃ while stirring; Keep about 20min, make material even, obtain a heavy-gravity liquid.
Comparative Examples 1:
This Comparative Examples is that the antifriction performance of the lubricating oil composition of invention compares.
Preparation 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; 18g T202,10g T151A, 15gT152 is heated to 60～70 ℃ while stirring; Keep about 20min, make material even, obtain a heavy-gravity liquid.
Prepare the thickened oil A-1 of the 5W/30 viscosity grade of a total composition, used base oil is a hydrogenated base oil, adds viscosity index improver, pour point depressant, its allotment scheme such as following table 1.
Table 1
In A-1, add lubricating oil composition of the present invention (T-1) 8.0%, obtain the 5W/30 IC engine lubricating oil A-2 of a total composition.
In A-1, add lubricating oil composition of the present invention (T-2) 8.0%, obtain the 5W/30 IC engine lubricating oil A-3 of a total composition.
In A-1, add lubricating oil composition of the present invention (T-3) 8.0%, obtain the 5W/30 IC engine lubricating oil A-4 of a total composition.
Table 2 is evaluated frictional coefficient through HFRR (high frequency reciprocating friction trier), comprises (1) low temperature frictional coefficient, is the frictional coefficient MV of 40～100 ℃ of scopes; (2) high temperature friction coefficient is the frictional coefficient MV of 100～140 ℃ of scopes.The more for a short time antifriction performance that shows of frictional coefficient is good more, and wherein 5W/30SJ is a reference oil.
| Low temperature frictional coefficient/10 -3 | High temperature friction coefficient/10 -3 | |
| Reference oil | 148.7 | 156.5 |
| A-2 | 134.5 | 149.8 |
| A-3 | 122.6 | 141.3 |
| A-4 | 147.6 | 154.5 |
Table 2
Table 3 is evaluated extreme pressure and antiwear behavior through four-ball tester, comprises (1) last non seizure load P
B, data are the bigger the better, and show that anti-extreme pressure ability is strong.(2) wear scar diameter, data are more little good more, show that friction reducing effect is good.(3) frictional coefficient, data are more little good more.
Table 3
Comparative Examples 2:
This Comparative Examples is that the antioxygen property of the lubricating oil composition of invention compares.
Table 4 is evaluated antioxidant property through the differential scanning calorimetry.Comprising that (1) oxidation induction period is tested evaluates antioxidant property, and the long more antioxidant property of oxidation induction period is good more.(2) the high more thermal oxidation resistance performance that shows of heat decomposition temperature, heat decomposition temperature is good more.
| Oxidation induction period/min | Heat decomposition temperature/℃ | |
| Reference oil | 20 | 236 |
| A-2 | 21 | 253 |
| A-3 | 24 | 274 |
| A-4 | 19 | 234 |
Table 4
Comparative Examples 3:
This Comparative Examples is that the cleansing performance of the lubricating oil composition of invention compares.
Table 5 is tested through coking/lacquering plate and is evaluated cleansing performance.Comprise that (1) stop the coking amount under the condition; (2) the coking amount under the condition of continuity.The more for a short time detergency that shows of coking amount is good more.
| Stop the burnt weight/mg of 1H | Burnt weight/the mg of continuous 6H | |
| Reference oil | 50 | 118 |
| A-2 | 39 | 92 |
| A-3 | 32 | 80 |
| A-4 | 41 | 96 |
Table 5
Table 2, table 3, table 4, table 5 data show that lubricating oil composition each item performance of the present invention all is superior to the 5W/30SJ gasoline engine oil, can be used for the engine lubrication of oil engine, and has tangible energy-conservation antifriction performance, can reach the purpose of fuel saving.
Claims (10)
1. an internal combustion engine lubrication oil additive composition is characterized in that, its component and quality percentage composition are:
Alkylthio sulfamate 0.01～20%
The metal detergent 3～50% of calcic or magnesium or sodium
Ashless dispersant 3～70%
Oxidation and corrosion inhibitor 3～50%
Thinning oil 0～20%.
2. a kind of internal combustion engine lubrication oil additive composition according to claim 1 is characterized in that, its component and quality percentage composition are:
Alkylthio sulfamate 0.1～10%;
The metal detergent 10～40% of calcic or magnesium or sodium;
Ashless dispersant 10～50%;
Oxidation and corrosion inhibitor 10～35%;
Thinning oil 3～15%.
3. a kind of internal combustion engine lubrication oil additive composition according to claim 1 is characterized in that, its component and quality percentage composition are:
Alkylthio sulfamate 0.3～5%;
The metal detergent 20～35% of calcic or magnesium or sodium;
Ashless dispersant 25～40%;
Oxidation and corrosion inhibitor 15～25%;
Thinning oil 5～10%.
4. according to claim 1,2 or 3 described a kind of internal combustion engine lubrication oil additive compositions; It is characterized in that; Carbonatoms in the alkyl of described alkylthio sulfamate is 4～28, and the carbonatoms in the alkyl of perhaps described alkylthio sulfamate is 8～18.
5. according to claim 1,2 or 3 described a kind of internal combustion engine lubrication oil additive compositions; It is characterized in that the metal detergent of described calcic or magnesium or sodium is that base number is one or several a mixture of alkyl monosulfide phenates, organic sulfonate, the alkylsalicylate of 25～400 calcium, magnesium or sodium.
6. according to claim 1,2 or 3 described a kind of internal combustion engine lubrication oil additive compositions, it is characterized in that the base number of the metal detergent of described calcic or magnesium or sodium is 100～400.
7. according to claim 1,2 or 3 described a kind of internal combustion engine lubrication oil additive compositions; It is characterized in that described ashless dispersant is that nitrogen content is one of single polyisobutenyl of 1.0～2.5%, butyric two pairs of polyisobutylene imide or any several kinds mixture.
8. according to claim 1,2 or 3 described a kind of internal combustion engine lubrication oil additive compositions; It is characterized in that described oxidation and corrosion inhibitor is selected from one of dialkyl dithiocarbamate, aromatic amine compounds, phenolic cpd of dialkyl dithiophosphate, zinc or the molybdenum of zinc or molybdenum or any several kinds mixture.
9. according to claim 1,2 or 3 described a kind of internal combustion engine lubrication oil additive compositions, it is characterized in that described thinning oil is that viscosity is 3～10mm
2The mixture of one or several of the MO of/s, synthetic oil, hydrogenation technique base oil.
10. according to the method for use of claim 1,2 or 3 said internal combustion engine lubrication oil additive compositions, it is characterized in that said compositions of additives is joined mixing in the base oil, add-on is 3.5～15%.
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| CN2011103642726A CN102504915A (en) | 2011-11-17 | 2011-11-17 | Lube oil additive composition for internal combustion engines |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385481A (en) * | 2015-12-11 | 2016-03-09 | 东莞太平洋博高润滑油有限公司 | Antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive and preparation method thereof |
| CN105462655A (en) * | 2016-01-07 | 2016-04-06 | 北京雅士科莱恩石油化工有限公司 | Ultra-low-viscosity energy-saving type engine anti-friction agent and preparation method thereof |
| CN105695057A (en) * | 2016-02-26 | 2016-06-22 | 北京雅士科莱恩石油化工有限公司 | Energy-saving engineering machinery hydraulic oil with high viscosity index and ultralow temperature |
| CN110713859A (en) * | 2018-07-13 | 2020-01-21 | 中国石油天然气股份有限公司 | Diesel engine oil composition |
| CN114752427A (en) * | 2021-01-11 | 2022-07-15 | 中国石油天然气股份有限公司 | Lubricating oil composition |
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| EP0391649B1 (en) * | 1989-04-03 | 1995-05-17 | Exxon Chemical Patents Inc. | Improved ashless lubricant compositions for internal combustion engines |
| CN1611590A (en) * | 2003-10-31 | 2005-05-04 | 中国石油化工股份有限公司 | Internal combustion engine oil and composite additive composition |
| CN101838575A (en) * | 2009-03-20 | 2010-09-22 | 中国石油天然气股份有限公司 | Energy-saving engine oil additive composition |
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2011
- 2011-11-17 CN CN2011103642726A patent/CN102504915A/en active Pending
Patent Citations (3)
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| EP0391649B1 (en) * | 1989-04-03 | 1995-05-17 | Exxon Chemical Patents Inc. | Improved ashless lubricant compositions for internal combustion engines |
| CN1611590A (en) * | 2003-10-31 | 2005-05-04 | 中国石油化工股份有限公司 | Internal combustion engine oil and composite additive composition |
| CN101838575A (en) * | 2009-03-20 | 2010-09-22 | 中国石油天然气股份有限公司 | Energy-saving engine oil additive composition |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385481A (en) * | 2015-12-11 | 2016-03-09 | 东莞太平洋博高润滑油有限公司 | Antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive and preparation method thereof |
| CN105462655A (en) * | 2016-01-07 | 2016-04-06 | 北京雅士科莱恩石油化工有限公司 | Ultra-low-viscosity energy-saving type engine anti-friction agent and preparation method thereof |
| CN105462655B (en) * | 2016-01-07 | 2018-06-01 | 北京雅士科莱恩石油化工有限公司 | A kind of energy saving h type engine h anti-friction agent of ultra-low viscosity and preparation method thereof |
| CN105695057A (en) * | 2016-02-26 | 2016-06-22 | 北京雅士科莱恩石油化工有限公司 | Energy-saving engineering machinery hydraulic oil with high viscosity index and ultralow temperature |
| CN105695057B (en) * | 2016-02-26 | 2018-08-14 | 北京雅士科莱恩石油化工有限公司 | A kind of high viscosity index (HVI) ultralow temperature energy-saving engineering mechanical hydraulic oil |
| CN110713859A (en) * | 2018-07-13 | 2020-01-21 | 中国石油天然气股份有限公司 | Diesel engine oil composition |
| CN110713859B (en) * | 2018-07-13 | 2022-02-01 | 中国石油天然气股份有限公司 | Diesel engine oil composition |
| CN114752427A (en) * | 2021-01-11 | 2022-07-15 | 中国石油天然气股份有限公司 | Lubricating oil composition |
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Application publication date: 20120620 |