CN1042949C - Lubricating oil compsn. - Google Patents
Lubricating oil compsn. Download PDFInfo
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- CN1042949C CN1042949C CN96105367A CN96105367A CN1042949C CN 1042949 C CN1042949 C CN 1042949C CN 96105367 A CN96105367 A CN 96105367A CN 96105367 A CN96105367 A CN 96105367A CN 1042949 C CN1042949 C CN 1042949C
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Abstract
The present invention discloses a lubricating oil composition which can satisfy GB11121 specifications and the requirements of APISF gasoline engine oil.
Description
The present invention relates to a kind of lubricating oil composition, be used for gasoline engine lubricating.The technical field that belongs to lubricant.
Because China's national situation is with different abroad, automobile and engine building also obviously are different from abroad the requirement of lubricating oil.The car that present Chinese society is possessed and the petrol motor of pickup truck need API SF level gasoline engine oil more than 90%.To the end of this century, the needs of APISF level gasoline engine oil are still accounted for bigger ratio.
It should be noted that base oil among the present invention comprises the paraffin base mineral oil of high viscosity index (HVI) and the poly alpha olefine synthetic oil of high viscosity index (HVI) (PAO) very.Wherein, the paraffin base mineral oil characteristics that China produces are, the paraffin base mineral oil of the same range of viscosities of lower sulphur content (＜0.1%) and higher nitrogen content and external higher sulphur content (0.2～0.8%) and lower nitrogen content relatively, its oxidation stability is obviously relatively poor.Compositions of additives in the lubricating oil composition provided by the invention has been considered this point on performance and characteristics.This be general domestic and international compositions of additives can not replace.
The present invention is in order to make low viscosity multigrade lubricating oil composition (as 5W/30), can satisfy crucial SH/T0513 or ASTM STP 315H Part2 method, be the requirement of MS program III D high temperature oxidation, wearing test, each binder component in the lubricating oil composition and the ratio between them have been carried out special selection and balance.
A kind of lubricating oil composition that is used for petrol motor of the present invention comprises:
(A) a large amount of lubricating oil and a spot of (B) at least a ashless dispersant; (C) at least a metal detergent; (D) at least a antioxygen, anti-rotten, antiwear agents; (E) at least a viscosity index improver.Wherein ashless dispersant (B) can be a mono butonediimide, or two succimide, or their mixture.Ashless dispersant (B) consumption at least 1% (weight).Wherein metal detergent (C) can be alkylsalicylate, alkyl monosulfide phenates, organic sulfonate, or their mixture.Wherein said alkylsalicylate can be calcium salt, the magnesium salts of base number more than 40, or their mixture.Wherein said alkylsalicylate is to add tensio-active agent in preparation process, and it is mixed with organic sulfonate, or adds in the lubricating oil, mixes no sedimentary upgrading with other lubricating oil that contains organic sulfonate
Product, wherein said alkyl monosulfide phenates can be the calcium salt of base number more than 40, and wherein said organic sulfonate can be calcium salt, the magnesium salts of base number more than 40, or their mixture.Metal detergent (C) consumption at least 0.1% (weight) wherein.Wherein antioxygen, anti-corruption, antiwear agents (D) can be dialkyl dithiophosphates, organic amine, or their mixture.Alkyl in the wherein said dialkyl dithiophosphate can be each Bai Dingji and iso-octyl, also can be each sec.-propyl and iso-octyl, also their mixture.Wherein said dialkyl dithiophosphate is a zinc salt.Wherein said organic amine is suitably dioctyl diphenylamine.Wherein antioxygen, anti-rotten, more than the antiwear agents consumption at least 0.001% (weight).Base medium viscosity index improving agent (E) can be the multipolymer (OCP) of ethene and propylene, it also can be polymethacrylate (PMA), also have dispersed OCP or PMA concurrently, or their mixture, wherein viscosity index improver (E) consumption at least 0.5% is (heavy
A kind of compositions of additives that is used to prepare lubricating oil composition of the present invention, comprising:
(A) thinning oil of 20-90% (weight);
(B) ashless dispersant of 1-60% (weight);
(C) metal detergent of 0.1-50% (weight);
(D) antioxygen of 0.001-30% (weight), anti-rotten, antiwear agents.
In lubricating oil composition of the present invention, (B) component is suitably the mono butonediimide dispersion agent, can obtain from the LAN151 that Lanzhou oil-refining chemical head factory is produced, and also can select domestic and international similar products like for use.Suitable content to compositions of additives is 30-60% (containing thinning oil, as follows).
(C) component is suitably purification agent that has rust-preventing characteristic concurrently and the compound use of purification agent that has antioxygen concurrently, compound as the alkyl sodium salicylate that organic sulfonate (can obtain from the Hitec.614 that Ethyl Co produces, also can select other analogous products both at home and abroad for use) and Lanzhou oil-refining chemical head factory are pressed Chinese patent 94106384.4 manufacturings.Their suitable content 20-40% (weight) in compositions of additives; The two suitable weight ratio is 0.5-2.
(D) component is suitably the compound use of zinc dialkyl dithiophosphate of primary alkyl and secondary alkyl, and the LAN202 and the LAN204 that produce as Lanzhou oil-refining chemical head factory are compound, also can select the similarly compound use of other products both at home and abroad for use.Their suitable content in compositions of additives is 10-20% (weight); The weight ratio of the two be suitably 0.5-2.
Compositions of additives used in the lubricating oil composition of the present invention is defined as (F), and its effective ingredient comprises:
The mono butonediimide dispersion agent (B) of 1.02% (in nitrogen content), the mixture (D) of the zinc dialkyl dithiophosphate of 406.7 millimoles/kilogram alkyl sodium salicylate and calcium sulphonate mixture (C) and 204.1 millimole/kilograms (in zinc content) primary alkyl and secondary alkyl.
In the lubricating oil composition,, also need add pour point depressant or pour point reducer and the 1-100PPM kilfoam of 0.1-1.0% (weight) except foregoing (A), (B), (C), (D) with (E) the component.The optional Industrial products of using of said pour point depressant are as LAN803A or other analogous products of Lanzhou oil-refining chemical head factory production; The optional Industrial products of using of said kilfoam, as methyl-silicone oil T901, or other analogous products.
Judge whether lubricating oil composition satisfies the requirement of GB11121 specification and API SF level oil, need by SH/T0512 or ASTM STP 315H Part1 method, it is MS program II D corrosion test, SH/T0513 or ASTM STP 315H Part2 method, i.e. MS program III D high temperature oxidation, wearing test; SH/T0514 or ASTMSTP315H Part3 method, i.e. MS program VD greasy filth test and SH/T0265 or ASTMSTP 509A Part4 method, i.e. L-38 bearing corrosion test.
The present invention also adopts thin film oxidation test (TFOUT) simulation MS program III D high temperature oxidation.Test conditions: testing installation is repacking rotary oxygen bomb instrument.Formation testing 1.5 grams, catalyzer is 4% (60mg) complex loop alkyl salt (Fe, Pb, Mg, Sn), the high boiling point fuel fraction of 4% (60mg) oxidation, nitrogenize, 2% (30mg) water; 160 ± 0.5 ℃ of oil bath temperatures, pure oxygen pressure 620KPa (90 pounds).The measurement oxidation induction period (minute).Time inductive phase is long more, and antioxygen is good more; Vice versa.
Wear and tear with four ball oxidative wear test simulation MS program III D.Test conditions: equipment is repacking four-ball tester, 600 rev/mins of rotating speeds, 784 newton that load (80Kgf), 0.25 liter/minute of air flow quantity, formation testing 6 microlitres.Time before measurement generation card is stung (minute).The time that produces before card is stung is long more, and resistance to abrasion is good more; Vice versa.
Effect of the present invention further specifies by the following examples.But it is apparent to those skilled in the art that the following examples do not limit the scope of the invention.Any change that does not exceed design of the present invention and scope is all within the scope of the invention.If no special instructions, said temperature is degree centigrade among the present invention, the said percentage ratio percentage ratio of all attaching most importance to.
Embodiment 1
Compositions of additives (F) used in the lubricating oil composition of the present invention comprising: the mono butonediimide dispersion agent (B) of 1.02% (in nitrogen content), the mixture (D) of the zinc dialkyl dithiophosphate of 406.7 millimoles/kilogram alkyl sodium salicylate and calcium sulphonate mixture (C) and 204.1 millimole/kilograms (in zinc content) primary alkyl and secondary alkyl.10.2% (weight) compositions of additives (F) is added in the 5W base oil of being made up of 50% Qinghai HVI100 neutral oil (character is listed in table 1) and 50% poly alpha olefine synthetic oil (PAO-4) (property list has 1).Add 7% (weight) viscosity index improver Partone718 simultaneously, 0.3% (weight) LAN803A and 10PPm T901.Prepared 5W/30 lubricating oil composition (I) can pass through MS program II D corrosion test, and the lubricating oil composition (II) that does not have a calcium sulphonate is not by (seeing Table 2).
Table 1, base oil character project Qinghai HVI100 PAO-4 kinematic viscosity, mm
2/ S40 ℃ 23.46 21.10100 ℃ 4.4 4.26 apparent viscosity (25 ℃), mpa.s 2,250 1070 viscosity indexs, 103 110 flash-points (opening), ℃ 196 212 condensation points, ℃-16-23 acid numbers, mgKOH/g 0.01 0.01 bromine valency, g bromine/100g-2.2 sulphur content, heavy % 0.012-nitrogen content, PPM 10-
Table 2 lubricating oil composition assessment of performance project I II SF specification MS program II D test engine corrosion average score 8.83 6.2 minimum 8.5 bonding tappet numbers does not as a result have evaluation by failure
Embodiment 2
Lubricating oil composition (III) is formed with the lubricating oil composition among the embodiment 1 (I).Their difference is: the calcium sulphonate in the lubricating oil composition (III) is T203; And the calcium sulphonate in the lubricating oil composition (I) is Hitec.614.Their anti-oxidant and wear resistance is listed in table 3.
The assessment of performance of table 3 lubricating oil composition is project III I thin film oxidation test as a result, inductive phase, the test of minute 109 200 4 ball oxidative wears produces card and stings the preceding time, and minutes 9.5 22.1
Embodiment 3
Lubricating oil composition (VI) is formed with the lubricating oil composition among the embodiment (I).Their difference is: the primary alkyl zinc dithiophosphate in the lubricating oil composition (VI) and the weight ratio of secondary alkyl zinc dithiophosphate are 2.2: 1; And lubricating oil composition (I) is 1: 1.Their assessment of performance the results are shown in table 4.
The assessment of performance of table 4 lubricating oil composition is project VI I thin film oxidation test as a result, inductive phase, the test of minute 111 200 4 ball oxidative wears, produce card and stings the preceding time, minutes 5.9 22.1
Embodiment 4
Lubricating oil composition (I) the results are shown in table 5 with its assessment of performance of tank oil comparison.
64 hours 40 ℃ of viscosity of as a result project I tank oil SF specification MS program III D test of table 5 lubricant oil composite assessment of performance increase, and % 80.7 maximum 37564 hours engine scoring greasy filth average score 9.5 minimum 9.2 piston skirt paint film average score, 9.37 minimum 9.2 oil ring platform deposit average score, 7.87 minimum 4.8 piston rings bondings do not have
Continuous table 5 project I tank oil SF specification tappet bonding does not have scratch in 64 hours and wear cam or tappet and frays and do not have no cam and add tappet and wear and tear, mm mean value 0.079 maximum 0.102 maximum value, 0.107 maximum 0.203MS program VD test engine greasy filth average score 9.55 9.41 minimum 9.4 skirt of piston paint film average score, 7.50 7.55 minimum 6.7 engine paint film average score, 7.40 8.1 minimum 6.6 oil filter screens stop up, % 10 maximum 7.5 oil rings stop up, % 01 maximum 10.0 compression rings bondings do not have no cam wear, MM mean value 0.018 0.035 maximum 0.025 maximum value, 0.033 0.098 maximum 0.033
Embodiment 5
Lubricating oil composition (V) is except that base oil is 10W (100% mineral oil), and all the other are with the lubricating oil composition among the embodiment 1 (I).Said composition (V) viscosity grade is SAE10W/30, add respectively in the Citroen zx type car petrol motor (recommending to use API SG level oil) of 2 french citroen motor corporations manufacturings, on Hubei Province Dong Feng Auto Corporation proving ground roundabout, carry out the high temperature and high speed road test summer in 1993.Test conditions: fuel is No. 97 doped fuel (alkene 4.5-6.5% (body), aromatic hydrocarbons 9.5-1.5% (body)), ten thousand kilometers of test miles 3-4.5,1.5 ten thousand kilometers of oil draining periods, 32-38 ℃ of amblent air temperature temperature, speed of operation 128 ± kilometer/hour, 149 ± 3 ℃ of oil temperatures.Test-results shows, engine mainly rubs the wearing and tearing at position all in range of normal value.Formation testing viscosity increases in table 6.
Table 6 Citroen zx type car test is project V tank oil tank oil as a result
40 ℃ of viscosity of 12 10W/30SF 10W/30SE10500 kilometers increase, and 40 ℃ of viscosity of % 32.0 50.3 34.0 353*15000 kilometers increase, % 43.0 66.4 44.8/
* be the Santana car of Shanghai Volkswagen Automobile Corporation
Claims (1)
1. lubricating oil composition that is used for petrol motor is characterized in that said composition comprises: (A) a large amount of lubricating oil and a spot of (B) at least a ashless dispersant; (C) at least a metal detergent; (D) at least a antioxygen, anti-rotten, antiwear agents; (E) at least a viscosity index improver; Wherein ashless dispersant (B) is a mono butonediimide, or two succimide, or their mixture; Ashless dispersant (B) consumption at least 1% (weight); Wherein metal detergent (C) is an alkylsalicylate, the alkyl monosulfide phenates, organic sulfonate, or their mixture, wherein said alkylsalicylate is the calcium salt of base number more than 40, magnesium salts, or their mixture, wherein said alkylsalicylate is to add tensio-active agent in preparation process, it is mixed with organic sulfonate, or in the adding lubricating oil, mix no sedimentary upgraded products may with other lubricating oil that contains organic sulfonate, wherein said alkyl monosulfide phenates is the calcium salt of base number more than 40, magnesium salts, or their mixture, wherein metal is asked clean agent (C) consumption at least 0.1% (weight); Wherein antioxygen, anti-corruption, antiwear agents (D) are dialkyl dithiophosphates, organic amine, or their mixture, alkyl in the wherein said dioxane dithiophosphates is each Bai Dingji and iso-octyl, or each sec.-propyl and iso-octyl, or their mixture, wherein said dialkyl dithiophosphate is a zinc salt, wherein said organic amine is a dioctyl diphenylamine, wherein antioxygen, anti-rotten, more than the antiwear agents consumption at least 0.001% (weight); Wherein viscosity index improver (E) be ethene and propylene multipolymer (OCP), polymethacrylate (PMA), have dispersed OCP or PMA concurrently, or their mixture, wherein viscosity index improver (E) consumption at least 0.5% (weight).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96105367A CN1042949C (en) | 1996-06-05 | 1996-06-05 | Lubricating oil compsn. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96105367A CN1042949C (en) | 1996-06-05 | 1996-06-05 | Lubricating oil compsn. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1138623A CN1138623A (en) | 1996-12-25 |
| CN1042949C true CN1042949C (en) | 1999-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96105367A Expired - Lifetime CN1042949C (en) | 1996-06-05 | 1996-06-05 | Lubricating oil compsn. |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298823C (en) * | 2002-02-01 | 2007-02-07 | 中国石油化工集团公司 | Lubricating oil composition for wide steel strip hot continuous mill rolling process |
| US20040176256A1 (en) * | 2002-11-07 | 2004-09-09 | Nippon Oil Corporation | Lubricating oil composition for transmissions |
| ITMO20120072A1 (en) | 2012-03-21 | 2013-09-22 | Ativa | MALE PIECE ELEMENT. |
| CN106147969A (en) * | 2016-07-15 | 2016-11-23 | 柳州三木科技有限公司 | A kind of lubricating oil for agricultural planting machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0319617A1 (en) * | 1987-12-02 | 1989-06-14 | Mobil Oil Corporation | Use of reaction products of trialkyl phosphites with elemental sulfur and process for making same |
| CN1081466A (en) * | 1992-07-10 | 1994-02-02 | 鲁布里佐尔公司 | Grease composition |
| CN1082100A (en) * | 1992-07-10 | 1994-02-16 | 鲁布里佐尔公司 | Grease composition |
| US5362419A (en) * | 1992-06-02 | 1994-11-08 | Ciba-Geigy Corporation | Dithiophosphoric acid derivatives as lubricant additives |
| US5405544A (en) * | 1992-04-22 | 1995-04-11 | Texaco Inc. | Ashless antiwear-antioxidant lubricating oil additive |
-
1996
- 1996-06-05 CN CN96105367A patent/CN1042949C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0319617A1 (en) * | 1987-12-02 | 1989-06-14 | Mobil Oil Corporation | Use of reaction products of trialkyl phosphites with elemental sulfur and process for making same |
| US5405544A (en) * | 1992-04-22 | 1995-04-11 | Texaco Inc. | Ashless antiwear-antioxidant lubricating oil additive |
| US5362419A (en) * | 1992-06-02 | 1994-11-08 | Ciba-Geigy Corporation | Dithiophosphoric acid derivatives as lubricant additives |
| CN1081466A (en) * | 1992-07-10 | 1994-02-02 | 鲁布里佐尔公司 | Grease composition |
| CN1082100A (en) * | 1992-07-10 | 1994-02-16 | 鲁布里佐尔公司 | Grease composition |
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| Publication number | Publication date |
|---|---|
| CN1138623A (en) | 1996-12-25 |
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Addressee: Lanzhou Oil Refining Chemical Genernal Plant, Chinese Petro-Chemical Corp. Document name: Notification of Expiration of Patent Right Duration |