CN103710077A - Cd grade diesel engine oil additive and use thereof - Google Patents
Cd grade diesel engine oil additive and use thereof Download PDFInfo
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- CN103710077A CN103710077A CN201310468139.4A CN201310468139A CN103710077A CN 103710077 A CN103710077 A CN 103710077A CN 201310468139 A CN201310468139 A CN 201310468139A CN 103710077 A CN103710077 A CN 103710077A
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- diesel engine
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- 239000000654 additive Substances 0.000 title claims abstract description 45
- 239000010710 diesel engine oil Substances 0.000 title claims abstract description 42
- 230000000996 additive effect Effects 0.000 title claims abstract description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011575 calcium Substances 0.000 claims abstract description 8
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 230000003647 oxidation Effects 0.000 claims description 28
- 238000007254 oxidation reaction Methods 0.000 claims description 28
- 239000003112 inhibitor Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 24
- 239000002199 base oil Substances 0.000 claims description 22
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 229920002367 Polyisobutene Polymers 0.000 claims description 13
- 239000002585 base Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 9
- -1 phenol amine Chemical class 0.000 claims description 9
- 229960002317 succinimide Drugs 0.000 claims description 9
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 claims description 8
- 150000003751 zinc Chemical class 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 229920013639 polyalphaolefin Polymers 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 2
- 229960001860 salicylate Drugs 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 229930192474 thiophene Natural products 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 10
- 239000002270 dispersing agent Substances 0.000 abstract description 3
- 239000003599 detergent Substances 0.000 abstract description 2
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 9
- 235000019198 oils Nutrition 0.000 description 8
- 239000010705 motor oil Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 4
- 101000851376 Homo sapiens Tumor necrosis factor receptor superfamily member 8 Proteins 0.000 description 4
- 102100036857 Tumor necrosis factor receptor superfamily member 8 Human genes 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229950000244 sulfanilic acid Drugs 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 241000158728 Meliaceae Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- SRTXXUBDPVIROV-UHFFFAOYSA-N S=C1C(C=CC=C1)[O-].[Ca+2].S=C1C(C=CC=C1)[O-] Chemical compound S=C1C(C=CC=C1)[O-].[Ca+2].S=C1C(C=CC=C1)[O-] SRTXXUBDPVIROV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- PFRUBEOIWWEFOL-UHFFFAOYSA-N [N].[S] Chemical compound [N].[S] PFRUBEOIWWEFOL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000008172 hydrogenated vegetable oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- OFUAIAKLWWIPTC-UHFFFAOYSA-L magnesium;naphthalene-2-carboxylate Chemical compound [Mg+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 OFUAIAKLWWIPTC-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000005002 naphthylamines Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052628 phlogopite Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The present invention relates to a CD grade diesel engine oil additive and a use thereof. According to the present invention, the CD grade diesel engine oil additive comprises, by weight, a) 10-50 parts of a detergent, b) 10-40 parts of a dispersing agent, c) 5-30 parts of an antioxidant, d) 1-5 parts of a pour point depressant, and e) 0.1-2 parts of an anti-foaming agent, wherein the calcium content in the additive is 30000-70000 ppm, the nitrogen content in the additive is 3000-7000 ppm, and the base number is not less than 100 mgKOH/g; and with the additive, qualities of the modulated CD single grade oil and the modulated CD multi-grade oil achieve the CD diesel engine oil specification in GB11122-2006, and the additive can be used for industrial production of the CD grade diesel engine oil.
Description
Technical field
The present invention relates to a kind of CD level diesel engine oil additive and uses thereof.
Background technology
For adapting to increasingly strict Abgasgesetz, novel diesel machine technology is constantly pushed out, and for example adopts turbo-supercharger, late injection, particle trap etc.These new technologies effectively reduce the impact of objectionable impurities on environment, and the working order of diesel engine is harsher, therefore lubricants performance are had higher requirement.But the diesel engine dispatching from the factory some 80～nineties is still using at present, the general layout estimation that the old and new's diesel engine coexists can maintain for many years, is bringing into play different separately effects.Therefore when exploitation meets the high-grade diesel engine oil of Novel diesel engine, more need to pay close attention to the oily demand of using of low and middle-grade diesel engine or old money diesel engine.CD level diesel engine oil still has a great deal of user at home at present, is mainly used in oil field equipment, diesel locomotive, marine engine and farm machinery etc.For Chinese present situation, CD level diesel engine oil still has more user within for some time from now on.
Patent CN1611590A discloses a kind of low-phosphorous composite additive with antioxygen, wear-resistant effect for I. C. engine oil, comprises following component: (I) phenol type antioxidant, and content is 0～35%; (II) amine type oxidation inhibitor, content is 0～35%; (IH) sulfur-nitrogen compound, content is 0～35%; (IV) molybdenum naphthenate or molybdenum dialkyldithiocarbamacompositions, content is 10～35%; (V) zinc dialkyl dithiophosphate, content is 20～50%; Wherein, in component (I), (II), (III), at least one is not 0.The content of described composite additive in internal combustion (IC) engine oil composition is 1.5～3.5%.
Patent CN1415712A discloses a kind of general-purpose engine lubricating oil composition, and this lubricating oil composition can meet GB11121 and the specification requirement of API SF/CD general service oil.By (A) neutral base oil, (B) magnesium naphthenate purification agent, (C) calcium sulfenyl phenolate, (D) polyisobutene succinimide, (E) zinc dialkyl dithiophosphate, (F) auxiliary antioxidant, (G) viscosity index improver and (H), pour point depressant, kilfoam form said composition.
Patent CN1560208A discloses a kind of many fuel multistage environmental protection I. C. engine oil, and it is comprised of mineral base oil and hydrogenated vegetable oil, residual oil type HVI150BS light heavy constituent oil and composite additive.
Patent CN1715379A discloses a kind of lubricating oil composition, take lubricating oil weight as benchmark, comprising: (1) sulfanilic acid, and weight content is 0.01～10%; (2) lubricating oil.Said sulfanilic acid is to be reacted and form with organic amine by alkyl benzene sulphonate (ABS), and wherein alkyl benzene sulphonate (ABS) can be synthesis of alkyl Phenylsulfonic acid or mahogany acid, and molecular weight can be 100～800.Said organic amine can be aliphatic amide, aromatic amine, heterocyclic amine, and the sum that amido connects alkyl carbonatoms can be 10～50.Said lubricating oil is that 100 ℃ of viscosity are 1～20mm
2the lubricating oil of/s can be I. C. engine oil, gear oil, metal working oil, compressor oil, oil, guide rail wet goods for bearing.
Patent CN102120944A discloses a kind of engine oil composition, especially relates to a kind of for heavy loading diesel motor and the petrolic lubricating oil composition of higher compression ratios.Can meet the specification requirement of the SJ/CD general service oil of stipulating in GB11122-2006 and GB11121-2006.Auxiliary antioxidant mixture, viscosity index improver, pour point depressant, surplus base oil that this lubricating oil composition comprises appropriate metal detergent, ashless dispersant, the anti-rotten anti-wear agent of antioxygen, sulfur-bearing phenol type antioxidant or naphthylamines type ashless oxidation inhibitor.
Patent CN102660353A discloses a kind of novel universal internal-combustion engine oil compositions, and by mass parts, said composition is comprised of following component: SG/CD general-purpose engine machine oil 70～80, phlogopite 10～15, chromic oxide 1～3, alkylphenol polyoxyethylene 1～2.
But above patent is the CD level diesel engine oil of the adjustable different viscosity grade of various dose of the same recombiner of unexposed employing all.
Summary of the invention
One of technical problem to be solved by this invention is to provide a kind of CD level diesel engine oil additive.Two of technical problem to be solved by this invention is to provide a kind of purposes of CD level diesel engine oil additive.This CD level diesel engine oil additive joins in HVI I class base oil or HVI II class base oil, the adjustable different viscosity grade CD level diesel engine oil of allotting, and oil quality meets GB11122-2006CD specification of quality.
For one of solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of CD level diesel engine oil additive, comprises following component in parts by weight:
A) purification agent of 10～50 parts;
B) dispersion agent of 10～40 parts;
C) oxidation inhibitor of 5～30 parts;
D) pour point depressant of 1～5 part;
E) kilfoam of 0.1～2 part;
Described purification agent is selected from least one in sulfonate, alkyl monosulfide phenates or salicylate;
Described dispersion agent is selected from least one in single polyisobutene succinimide, two polyisobutene succinimide or many polyisobutene succinimides;
Described oxidation inhibitor is selected from least one in sulphur phosphorus type zinc salt, amine type oxidation inhibitor, phenol type antioxidant, phenol amine type oxidation inhibitor, thiophene type oxidation inhibitor or carbaminate kind antioxidant;
Described pour point depressant is selected from least one in polyalphaolefin or polymethacrylate;
Described kilfoam is selected from least one in dimethyl silicone oil or non-silicon type antifoamer;
In described additive, calcium contents is 30000～70000ppm, and nitrogen content is 3000～7000ppm, and base number is not less than 100mgKOH/g.
In technique scheme, preferably, in described additive, calcium contents is 35000～65000ppm, and nitrogen content is 3500～6500ppm, and base number is not less than 120mgKOH/g.More preferably, in described additive, calcium contents is 40000～60000ppm, and nitrogen content is 4000～6000ppm, and base number is not less than 130mgKOH/g.
In technique scheme, preferably, parts by weight meter, the consumption of purification agent is 5～45 parts, and the consumption of dispersion agent is 3～35 parts, and the consumption of oxidation inhibitor is 2～25 parts, and the consumption of pour point depressant is 1～3 part, the consumption of kilfoam is 0.1～1 part.
In technique scheme, preferably, described purification agent is selected from the mixture of over base sulfosalt, low alkali value sulfonate and alkyl monosulfide phenates; In mixture, the weight ratio of over base sulfosalt, low alkali value sulfonate and alkyl monosulfide phenates is (2.5～1.5): (2.0～1.0): (5.0～3.5).
In technique scheme, preferably, described dispersion agent is selected from least one in single polyisobutene succinimide, two polyisobutene succinimide or many polyisobutene succinimides.
In technique scheme, preferably, described oxidation inhibitor is selected from sulphur phosphorus type zinc salt, amine type oxidation inhibitor, phenol amine type oxidation inhibitor both mixtures arbitrarily.More preferably, when described oxidation inhibitor is the mixture of sulphur phosphorus type zinc salt and amine type oxidation inhibitor, the weight ratio of sulphur phosphorus type zinc salt and amine type oxidation inhibitor is (3.0～1.0): (1.0～0.5); When described oxidation inhibitor is the mixture of sulphur phosphorus type zinc salt and phenol amine type oxidation inhibitor, the weight ratio of sulphur phosphorus type zinc salt and phenol amine type oxidation inhibitor is (3.0～1.0): (1.0～0.5).
The preparation method of CD level diesel engine oil additive of the present invention is: purification agent, dispersion agent, oxidation inhibitor, pour point depressant, kilfoam are added in base oil at 50～70 ℃ of temperature, stir 0.5～4 hour, make its whole dissolvings can obtain composition of the present invention.
For solve the problems of the technologies described above two, the technical solution used in the present invention is as follows: described CD level diesel engine oil additive is used for modulating CD level diesel engine oil.
In technique scheme, preferably, during modulation, described CD level diesel engine oil additive is added in base oil, and its consumption is 3.5～6.5% of base oil weight.
In technique scheme, preferably, described base oil is selected from least one in HVI I class base oil or HVI II class base oil.
In technique scheme, the technical scheme that component, parts by weight and the preferable range of described CD level diesel engine oil additive taked with one of technical solution problem is identical.
Additive of the present invention is by the synergy of each component, particularly controlling calcium contents in additive is 30000～70000ppm, nitrogen content is 3000～7000ppm, base number is not less than 100mgKOH/g, with 3.5～6.5wt% dosage, be formulated in base oil, can realize and adopt the various dose of same recombiner with regard to the CD level diesel engine oil of adjustable different viscosity grade: SAE30, SAE15W-40, SAE10W-40 diesel engine oil, obtain having the CD level diesel engine oil of good detergent-dispersant performance and oxidation corrosion resistance, quality meets GB11122-2006 specification requirement, obtained good technique effect.
Below by embodiment, the present invention is further elaborated.
Embodiment
[embodiment 1～9]
Each component is stirred 2 hours in proportion at 60 ℃ of temperature, it is all dissolved, can obtain compositions of additives 1～9 of the present invention, additive forms in Table 1.
Each compositions of additives in table 1 is joined in HVI I class base oil with dosage 3.8wt%, be modulated into CD30 diesel engine oil, adopt the CD30 diesel engine oil of following simulation test and bench testing and comparative example blending to compare, investigate and the results are shown in Table 2.
Each compositions of additives in table 1 is joined in HVI I class base oil or HVI II class base oil with dosage 5.2wt%, be modulated into CD15W-40 diesel engine oil, adopt the CD30 diesel engine oil of following simulation test and bench testing and comparative example blending to compare, investigate and the results are shown in Table 3.
Each compositions of additives in table 1 is joined in HVI I class base oil or HVI II class base oil with dosage 5.8wt%, be modulated into CD10W-40 diesel engine oil, adopt the CD30 diesel engine oil of following simulation test and bench testing and comparative example blending to compare, investigate and the results are shown in Table 4.
[comparative example]
Comparative example blending method is identical with embodiment, and additive forms in Table 1.
Claims (10)
1. a CD level diesel engine oil additive, comprises following component in parts by weight:
A) purification agent of 10～50 parts;
B) dispersion agent of 10～40 parts;
C) oxidation inhibitor of 5～30 parts;
D) pour point depressant of 1～5 part;
E) kilfoam of 0.1～2 part;
Described purification agent is selected from least one in sulfonate, alkyl monosulfide phenates or salicylate;
Described dispersion agent is selected from least one in polymer succimide dispersion agent, boronation succimide, single polyisobutene succinimide, two polyisobutene succinimide or many polyisobutene succinimides;
Described oxidation inhibitor is selected from least one in sulphur phosphorus type zinc salt, amine type oxidation inhibitor, phenol type antioxidant, phenol amine type oxidation inhibitor, thiophene type oxidation inhibitor or carbaminate kind antioxidant;
Described pour point depressant is selected from least one in polyalphaolefin or polymethacrylate;
Described kilfoam is selected from least one in dimethyl silicone oil or non-silicon type antifoamer;
In described additive, calcium contents is 30000～70000ppm, and nitrogen content is 3000～7000ppm, and base number is not less than 100mgKOH/g.
2. CD level diesel engine oil additive according to claim 1, is characterized in that in described additive, and calcium contents is 35000～65000ppm, and nitrogen content is 3500～6500ppm, and base number is not less than 120mgKOH/g.
3. CD level diesel engine oil additive according to claim 2, is characterized in that in described additive, and calcium contents is 40000～60000ppm, and nitrogen content is 4000～6000ppm, and base number is not less than 130mgKOH/g.
4. CD level diesel engine oil additive according to claim 1, is characterized in that in parts by weight, and the consumption of purification agent is 15～45 parts, the consumption of dispersion agent is 13～40 parts, the consumption of oxidation inhibitor is 5～25 parts, and the consumption of pour point depressant is 1～3 part, and the consumption of kilfoam is 0.1～1 part.
5. CD level diesel engine oil additive according to claim 1, is characterized in that described purification agent is selected from the mixture of over base sulfosalt, low alkali value sulfonate and alkyl monosulfide phenates; In mixture, the weight ratio of over base sulfosalt, low alkali value sulfonate and alkyl monosulfide phenates is (2.5～1.5): (2.0～1.0): (5.0～3.5).
6. CD level diesel engine oil additive according to claim 1, is characterized in that described dispersion agent is selected from least one in single polyisobutene succinimide, two polyisobutene succinimide or many polyisobutene succinimides.
7. CD level diesel engine oil additive according to claim 1, is characterized in that described oxidation inhibitor is selected from sulphur phosphorus type zinc salt, amine type oxidation inhibitor, phenol amine type oxidation inhibitor both mixtures arbitrarily.
8. the arbitrary described CD level diesel engine oil additive of claim 1～7 is used for modulating CD level diesel engine oil.
9. the purposes of CD level diesel engine oil additive according to claim 8, while it is characterized in that modulating, described CD level diesel engine oil additive is added in base oil, and its consumption is 3.5～6.5% of base oil weight.
10. the purposes of CD level diesel engine oil additive according to claim 8, is characterized in that described base oil is selected from least one in HVI I class base oil or HVI II class base oil.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232182A (en) * | 2014-09-22 | 2014-12-24 | 尹熙哲 | Diesel additive as well as preparation method and use method thereof |
| CN105219496A (en) * | 2015-10-19 | 2016-01-06 | 中国石油化工股份有限公司 | CF-4 diesel engine oil composition is used for the purposes of solar oil/natural gas double-fuel four-stroke marine high-speed engine |
| CN105238521A (en) * | 2015-10-19 | 2016-01-13 | 中国石油化工股份有限公司 | Marine internal combustion engine oil composition and application thereof |
| CN106318542A (en) * | 2016-07-26 | 2017-01-11 | 中国石油化工股份有限公司 | Marine lubricating oil composition and use thereof |
| CN106479633A (en) * | 2016-09-20 | 2017-03-08 | 中国石油化工股份有限公司 | Marine diesel fluid composition and application thereof |
| CN106635284A (en) * | 2016-09-20 | 2017-05-10 | 中国石油化工股份有限公司 | Application for marine cylindrical piston diesel engine oil composition |
| CN105505525B (en) * | 2015-10-16 | 2018-09-11 | 中国科学院宁波材料技术与工程研究所 | Phenol amine antioxidants, preparation method and application |
| CN111575085A (en) * | 2020-05-27 | 2020-08-25 | 中国石油化工股份有限公司 | CF grade diesel engine oil composition, preparation method and application thereof |
| CN112143542A (en) * | 2020-09-30 | 2020-12-29 | 新乡市瑞丰新材料股份有限公司 | Diesel engine oil complexing agent and preparation method thereof |
| CN112239690A (en) * | 2019-07-17 | 2021-01-19 | 中国石油化工股份有限公司 | CD diesel engine oil composition and application thereof |
| CN112300850A (en) * | 2020-10-12 | 2021-02-02 | 速马力(广州)环保研究院有限责任公司 | Nano engine oil additive and preparation method thereof |
| CN115651732A (en) * | 2022-10-24 | 2023-01-31 | 辽宁百特润滑科技有限责任公司 | Non-zinc railway locomotive lubricating oil additive and preparation method and application thereof |
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| CN1415712A (en) * | 2001-11-02 | 2003-05-07 | 中国石油天然气股份有限公司 | Lubricating oil composition |
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