CN1268553A - Antioxidative compositte of lubricating oil and its application in lubricating oil of internal combustion engine - Google Patents
Antioxidative compositte of lubricating oil and its application in lubricating oil of internal combustion engine Download PDFInfo
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- CN1268553A CN1268553A CN 99103278 CN99103278A CN1268553A CN 1268553 A CN1268553 A CN 1268553A CN 99103278 CN99103278 CN 99103278 CN 99103278 A CN99103278 A CN 99103278A CN 1268553 A CN1268553 A CN 1268553A
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- lubricating oil
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 47
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 23
- 230000003078 antioxidant effect Effects 0.000 title description 7
- -1 alkali metal salt Chemical class 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 7
- 150000002895 organic esters Chemical class 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 15
- 150000002148 esters Chemical class 0.000 claims description 15
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 10
- 229940059574 pentaerithrityl Drugs 0.000 claims description 10
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 10
- VATRZIAOBDOSNN-UHFFFAOYSA-N 2,2,3,3,4,4,4-heptafluorobutanoic acid;sodium Chemical compound [Na].OC(=O)C(F)(F)C(F)(F)C(F)(F)F VATRZIAOBDOSNN-UHFFFAOYSA-N 0.000 claims description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- YFPJFKYCVYXDJK-UHFFFAOYSA-N Diphenylphosphine oxide Chemical compound C=1C=CC=CC=1[P+](=O)C1=CC=CC=C1 YFPJFKYCVYXDJK-UHFFFAOYSA-N 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 claims description 2
- 150000007524 organic acids Chemical group 0.000 claims description 2
- XKHXKJLNOCSETN-UHFFFAOYSA-N pentane-2,3-dione;sodium Chemical compound [Na].CCC(=O)C(C)=O XKHXKJLNOCSETN-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 2
- HCJLVWUMMKIQIM-UHFFFAOYSA-M sodium;2,3,4,5,6-pentachlorophenolate Chemical compound [Na+].[O-]C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl HCJLVWUMMKIQIM-UHFFFAOYSA-M 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 abstract description 6
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 4
- 239000002480 mineral oil Substances 0.000 abstract description 2
- 235000010446 mineral oil Nutrition 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 13
- 238000007254 oxidation reaction Methods 0.000 description 13
- 239000003921 oil Substances 0.000 description 12
- 239000003112 inhibitor Substances 0.000 description 8
- 239000003963 antioxidant agent Substances 0.000 description 4
- 239000002199 base oil Substances 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The present invention relates to an antioxidation composition used in lubricating oil of internal combustion engine. It uses organic ester and alcohol to make alkali metal salt to dissolve in mineral oil as an effective additive for interna combustion engine lubricating oil. Said antioxidation composition can greatly enhance high temp. antioxidation property of lubricating oil for internal combustion engine.
Description
The present invention relates to a kind of internal combustion engine lubrication oil additive and the application in lubricating oil thereof, specifically, the present invention relates to a kind of internal combustion (IC) engine lubricating oil antioxidant composition and the application in lubricating oil thereof.
As everyone knows, internal engine temperature is very high, and oil product in use inevitably oxidation will take place.For oil engine, oxidising process has produced acid, greasy filth and settling; Acid makes metal parts produce the burn into wearing and tearing; Greasy filth and settling make the lubricating oil retrogradation, cause the bonding of piston ring and the obstruction of oil circuit.In the purified base oil, add the oxidation that oxidation inhibitor can effectively delay oil product, reduce corrosion and wearing and tearing, prolong the work-ing life of oil product hardware.At present, antioxidant for lubricant oil commonly used both at home and abroad mainly contains following several: zinc dialkyl dithiophosphate, dialkyl dithiocarbamate, hindered phenol and aromatic amine compound; But above-mentioned oxidation inhibitor does not possess the antioxidant property under hot conditions.
Under the working condition of modern engine, the temperature that lubricating oil bore is very harsh, so lubricating oil must possess the ability of working under higher temperature conditions, and this just has higher requirement to modern engine oil oxidation inhibitor.That is to say that lubricating oil must possess the good high-temperature antioxidant property.
Once reported in existing technical publications that an alkali metal salt and aromatic amine compound had the excellent antioxidation ability, but because an alkali metal salt is insoluble to the internal combustion (IC) engine lubricating oil based on mineral oil, so an alkali metal salt can't become the additive of internal combustion (IC) engine lubricating oil at present.
At above-mentioned problems of the prior art, the invention provides a kind of internal combustion (IC) engine lubricating oil antioxidant additive, make an alkali metal salt that can not be applied in the prior art in the internal combustion (IC) engine lubricating oil become effective additive of internal combustion (IC) engine lubricating oil, and the high temperature antioxygen property of internal combustion (IC) engine lubricating oil is improved greatly.
Second purpose of the present invention provides the application of described antioxidant additive in internal combustion (IC) engine lubricating oil.
Internal combustion (IC) engine lubricating oil antioxygen composition of the present invention is characterized in that, comprises following component:
The component parts by weight
An alkali metal salt 0.5-5.0
Aromatic amine compound 5.0-25.0
Organic ester 70-100
Alcohol 0-30
The salt or the mixture of the organic acid that an alkali metal salt wherein of the present invention is lithium, sodium, potassium, alcohol, phenol, ketone, amine are particularly for a kind of in lithium stearate, sodium stearate, perfluorobutyric acid lithium, perfluorobutyric acid sodium, perfluorobutyric acid potassium, butanols potassium, methyl ethyl diketone sodium, diphenylpropane-1,3-dione(DPPO) sodium, trifluoroacetylacetone sodium, trifluoroacetylacetone potassium, sodium pentachlorophenol, phosphorous acid dipentaerythritol octanoate sylvite, EDTA complex ester sylvite, the compound acid amides sylvite of EDTA or their mixture.Be preferably perfluorobutyric acid sodium, trifluoroacetylacetone potassium.
Aromatic amine compound of the present invention is to, right-dialkyl diphenylamine or N-phenyl-a-naphthylamines or their mixture.
Fatty acid ester that organic esterified compound of the present invention is straight-chain fatty alcohol, tetramethylolmethane, TriMethylolPropane(TMP) or their mixture.Be preferably the C of tetramethylolmethane
5-C
9Fatty acid ester or TriMethylolPropane(TMP) C
5-C
9Fatty acid ester.
Organic alcohol compound of the present invention adopts low-molecular-weight Fatty Alcohol(C12-C14 and C12-C18), comprises propyl carbinol, isopropylcarbinol, n-Octanol; Be preferably propyl carbinol or n-Octanol.Internal combustion (IC) engine lubricating oil antioxygen composition of the present invention is characterized in that, preferred proportioning is
The component parts by weight
An alkali metal salt 0.7-2.5
Aromatic amine compound 8.0-20.0
Organic ester 70-100
Alcohol 0-30 internal combustion (IC) engine lubricating oil antioxygen of the present invention composition is characterized in that preferred proportioning is
The component parts by weight
Perfluorobutyric acid sodium 0.7-2.5
To, right-di-iso-octyldiphenylamine 8.0-20.0
Tetramethylolmethane C
5-C
9Acid mixed ester 70-100 internal combustion (IC) engine lubricating oil antioxygen of the present invention composition is characterized in that preferred proportioning is
The component parts by weight
Trifluoroacetylacetone potassium 0.7-2.5
To, right-di-iso-octyldiphenylamine 4.0-10.0
N-phenyl-a-naphthylamines 4.0-10.0
Tetramethylolmethane C
5-C
9Acid mixed ester 70-100 internal combustion (IC) engine lubricating oil antioxygen of the present invention composition is characterized in that preferred proportioning is
The component parts by weight
Trifluoroacetylacetone potassium 0.7-2.5
N-phenyl-a-naphthylamines 8.0-15.0
TriMethylolPropane(TMP) C
5-C
9Acid mixed ester 70-100
N-Octanol 10.0-30.0
Antioxygen component of the present invention can be widely used in the various lubricating oil products, and in use the concentration expressed in percentage by weight with 0.5-10 joins in the internal combustion (IC) engine lubricating oil; And be added with the additive that can also contain other types in the internal combustion (IC) engine lubricating oil of antioxygen component of the present invention, as the oxidation inhibitor of other compositions, detergent-dispersant additive, extreme pressure agent, anti-wear agent, viscosity index improver, sanitas, metal passivator, kilfoam, hydrolysis stabilizer etc.
After in modern engine oil, adding antioxygen composition of the present invention, by experimental data as can be seen this antioxygen composition viscosity that can suppress oil product effectively change and the acid number increase, the high temperature antioxygen property of I. C. engine oil is greatly improved, and antioxygen composition of the present invention has outstanding high-temperature oxidation resistance.
Embodiment 1
With 1.0 gram perfluorobutyric acid sodium, 10.0 grams join 100 gram tetramethylolmethane C to, right-di-iso-octyldiphenylamine
5-C
9In the acid mixed ester, heating is dissolved it fully, obtains the oxidation inhibitor component.
Then above-mentioned oxidation inhibitor component is joined in 450SN (commercially available) base oil with 5.0% concentration expressed in percentage by weight, and estimate its antioxidant property.
In above-mentioned oil product,, as oxide catalyst, be heated to 165 ℃ and kept 72 hours with iron naphthenate with 0.3 liter/hour speed bubbling air.Oxidation experiment the results are shown in Table 1;
Table 1
Embodiment 2
| Viscosity changes, and 40 ℃, % | Acid number, mg KOH/g | |
| The 450SN base oil | ?????＞5000 | ???????10.5 |
| Add embodiment 1 described component | ?????65 | ???????5.4 |
With 2.0 gram trifluoroacetylacetone potassium, 7.0 grams to, right-di-iso-octyldiphenylamine, 7.0 gram N-phenyl-a-naphthylamines, 15.0 gram propyl carbinols join 100 gram TriMethylolPropane(TMP) C
5-C
9In the acid mixed ester, heating is dissolved it fully, obtains the oxidation inhibitor component.
Then above-mentioned oxidation inhibitor component is joined in the SE15W/50 oil (commercially available) with 5.0% concentration expressed in percentage by weight, and estimate its antioxidant property.
In above-mentioned oil product, with 0.3 liter/hour speed bubbling air, and with iron naphthenate as oxide catalyst, be heated to 165 ℃ and kept 72 hours.Oxidation experiment the results are shown in Table 2; Table 2
| Viscosity changes, and 40 ℃, % | Acid number, mg KOH/g | |
| SE15W/40 oil | ?????＞5000 | ???????7.5 |
| Add embodiment 2 described components | ?????60 | ???????3.4 |
Claims (16)
1. lubricating oil antioxygen composition is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
An alkali metal salt 0.5-5.0
Aromatic amine compound 5.0-25.0
Organic ester 70-100
Alcohol 0-30
2. lubricating oil antioxygen composition according to claim 1 is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
An alkali metal salt 0.7-2.5
Aromatic amine compound 8.0-20.0
Organic ester 70-100
Alcohol 0-30
3. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that, described an alkali metal salt is organic acid, alcohol, phenol, the ketone of lithium, sodium, potassium, the salt or the mixture of amine.
4. lubricating oil antioxygen composition according to claim 1 and 2, it is characterized in that described an alkali metal salt is a kind of in lithium stearate, sodium stearate, perfluorobutyric acid lithium, perfluorobutyric acid sodium, perfluorobutyric acid potassium, butanols potassium, methyl ethyl diketone sodium, diphenylpropane-1,3-dione(DPPO) sodium, trifluoroacetylacetone sodium, trifluoroacetylacetone potassium, sodium pentachlorophenol, phosphorous acid dipentaerythritol octanoate sylvite, EDTA complex ester sylvite, the compound acid amides sylvite of EDTA or their composition.
5. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that, described an alkali metal salt is a kind of in perfluorobutyric acid sodium, the trifluoroacetylacetone potassium.
6. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that, described aromatic amine compound is to, right-dialkyl diphenylamine or N-phenyl-a-naphthylamines or their mixture.
7. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that, fatty acid ester that described organic esterified compound is straight-chain fatty alcohol, tetramethylolmethane, TriMethylolPropane(TMP) or their mixture.
8. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that described organic esterified compound is the C of tetramethylolmethane
5-C
9The C of fatty acid ester or TriMethylolPropane(TMP)
5-C
9Fatty acid ester.
9. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that described organic alcohol compound comprises propyl carbinol, isopropylcarbinol, n-Octanol.
10. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that described organic alcohol compound is propyl carbinol or n-Octanol.
11. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
Perfluorobutyric acid sodium 0.7-2.5
To, right-di-iso-octyldiphenylamine 8.0-20.0
Tetramethylolmethane C
5-C
9Acid mixed ester 70-100
12. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
Trifluoroacetylacetone potassium 0.7-2.5
To, right-di-iso-octyldiphenylamine 4.0-10.0
N-phenyl-a-naphthylamines 4.0-10.0
Tetramethylolmethane C
5-C
9Acid mixed ester 70-100
13. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
Trifluoroacetylacetone potassium 0.7-2.5
N-phenyl-a-naphthylamines 8.0-15.0
TriMethylolPropane(TMP) C
5-C
9Acid mixed ester 70-100
N-Octanol 10.0-30.0
14. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
Perfluorobutyric acid sodium 1.0
To, right-di-iso-octyldiphenylamine 10.0
Tetramethylolmethane C
5-C
9Acid mixed ester 100
15. lubricating oil antioxygen composition according to claim 1 and 2 is characterized in that said composition comprises following component and parts by weight:
The component parts by weight
Trifluoroacetylacetone potassium 2.0
To, right-di-iso-octyldiphenylamine 7.0
N-phenyl-a-naphthylamines 7.0
TriMethylolPropane(TMP) C
5-C
9Acid mixed ester 100.0
Propyl carbinol 15.0
16. the described lubricating oil antioxygen of one of claim 1-15 composition is characterized in that as the internal combustion (IC) engine lubricating oil Application of Additives, and the concentration expressed in percentage by weight of described antioxygen component with 0.5-10 joined in the internal combustion (IC) engine lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99103278A CN1108361C (en) | 1999-03-30 | 1999-03-30 | Antioxidative compositte of lubricating oil and its application in lubricating oil of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99103278A CN1108361C (en) | 1999-03-30 | 1999-03-30 | Antioxidative compositte of lubricating oil and its application in lubricating oil of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1268553A true CN1268553A (en) | 2000-10-04 |
| CN1108361C CN1108361C (en) | 2003-05-14 |
Family
ID=5271198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99103278A Expired - Fee Related CN1108361C (en) | 1999-03-30 | 1999-03-30 | Antioxidative compositte of lubricating oil and its application in lubricating oil of internal combustion engine |
Country Status (1)
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| CN1021381C (en) * | 1985-04-01 | 1993-06-23 | 国际商用机器公司 | raster scan display system |
| IL110752A (en) * | 1993-09-13 | 2000-07-26 | Abbott Lab | Liquid semi-solid or solid pharmaceutical composition for an HIV protease inhibitor |
| CN1045104C (en) * | 1996-08-20 | 1999-09-15 | 中国石化兰州炼油化工总厂 | Commonly-used internal combustion engine oil composition |
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| CN1108361C (en) | 2003-05-14 |
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