CN1138621A - Lubricating additive compsn. - Google Patents
Lubricating additive compsn. Download PDFInfo
- Publication number
- CN1138621A CN1138621A CN 96105364 CN96105364A CN1138621A CN 1138621 A CN1138621 A CN 1138621A CN 96105364 CN96105364 CN 96105364 CN 96105364 A CN96105364 A CN 96105364A CN 1138621 A CN1138621 A CN 1138621A
- Authority
- CN
- China
- Prior art keywords
- oil
- lubricating oil
- oil composition
- base
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lubricants (AREA)
Abstract
A additive composite of lubricant for engine contains at least one mineral oil (20 Wt.%), at least one non-ash disperser, at least one metallic cleaner and at least one anticorrosion antioxidant. Adding said composition to middle-viscosity intermediate-base basic oil, or high-viscosity paraffine-base one, or synthetic one, or their mixture can prepare SC/SD oil for gasoline engine, or CC/CD oil for diesel engine, or their universal oil for both.
Description
The present invention relates to a kind of additive composition for lubricant oil, especially a kind of additive composition for lubricant oil that is used for engine belongs to technical field of lubricating oil.
Up to the present, the engine oil of home and abroad is most of makes base oil with the high viscosity index (HVI) paraffin base mineral oil.And medium viscosity index (40～＜90) the lube base oil yield that is representative with the western xinjiang crude oil of China accounts for 30～40% of national base oil output.Simple engine oil turnout accounts under the situation about 90% at home, and it remains an important base oil source.But the thermal oxidation stability of medium viscosity index base oil is obviously poor than the high viscosity index (HVI) paraffin base oil.Therefore, the compositions of additives of high viscosity index (HVI) paraffin base oil or prescription but can not be applicable to medium viscosity index intermediate base base oil, and this exchanges existing offering some clarification in the rule at the API of American Petroleum Institute (API) base oil.
Because China's national situation is with different abroad, automobile and engine building also obviously are different from abroad the needs of lubricating oil, requirement to SC, SD gasoline engine oil and CC, CD diesel engine oil still accounts for about 50% of whole engine oil masses, particularly the SC and the technical requirements of SD level gasoline engine oil of CNS GB11121 regulation also obviously are different from common in the world API or SAE J183 specification, it requires respectively by the sequence test of Dongfeng Automobile EQ140 petrol motor, be that the sequence test of steam bleeding car CA141 petrol motor, i.e. SH/T0516 test are conciliate in the SH/T0515 test.
Therefore, the objective of the invention is: a kind of engine lubrication oil additive composition is provided, by adjusting ratio and the compositions of additives consumption between each binder component in the additive composition for lubricant oil, can adapt to various base oils, and satisfy the requirement of modulation single-stage SC/CC, SD/CC all purpose engine oil and multistage SD, CC and CD gasoline engine oil, diesel engine oil.
Base oil among the present invention is medium viscosity index (40～＜90) intermediate base of China's production and the neutral oil and the bright stock (also claiming residual oil) of high viscosity index (HVI) (90～＜120) paraffinic base, and poly alpha olefine synthetic oil (PAO).Wherein the characteristics of all mineral base oils of crude oil in China production are: lower sulphur content (below 0.1%) and higher nitrogen content.Its oxidation stability is poorer than the neutral oil or the bright stock of the same range of viscosities of external higher sulphur content (0.2～～0.8%) and lower nitrogen content significantly.Engine oil additive composition provided by the invention (or recombiner) has been considered this point on performance and characteristics.Therefore, be general compositions of additives can not replace.Domestic invention that has simultaneously or document prepare multistage diesel engine oil in solution with low viscosity neutral oil (as 100N, 200N), particularly during CD level diesel engine oil, often by means of in base oil, adding a certain amount of viscosity higher bright stock (or residual oil), improving oxidation stability and high temperature detergency, and the present invention mainly is that ratio can address the above problem between component by adjusting in the additive composition for lubricant oil of the present invention.
The present invention is optimized selection to the binder component in the additive composition for lubricant oil.Except the performance of considering each functional additive component self and with conspicuous characteristics and outstanding, simultaneously also the thermostability quality as preferential one of selection condition.Purpose is to help solving the diesel engine that Chinese base oil oxidation stability is relatively poor and thermal load is higher lubricating oil thermo-oxidative stability and high temperature detergency are required the harsh problem that is occurred.
Additive composition for lubricant oil of the present invention, it contains: (A) a certain amount of mineral oil is made thinner and a certain amount of, (B) at least a ashless dispersant, (C) at least a metal detergent, (D) at least a antioxygen corrosion inhibitor.Said mineral oil (A) is medium viscosity index intermediate base base oil or high viscosity index (HVI) paraffin base oil.Said additive composition for lubricant oil contains at least 20% heavy mineral oil (A).Described (B) is suitably two succimide dispersion agents.Said additive composition for lubricant oil contains the ashless dispersant (B) of 10-50% (weight).Said (C) is suitably alkylsalicylate.Be preferably calcium salt, base number (TBN) at least 140.Said (C) is suitably and adds tensio-active agent in preparation process.Prepared products characteristics is directly to mix with sulfonate additive, or the lubricating oil that is added with this product can not produce precipitation when mixing with the lubricating oil that contains sulfonate additive.Said additive composition for lubricant oil contains the metal detergent (C) of 0.1-60% (weight).Said (D) is dialkyl dithiophosphate.Said (D) is suitably the dioctyl dithiophosphates.Said (D) is suitably the mixture of basic zinc salt and neutral zinc salt.Subsalt content 20-50% (weight) wherein.The molecular structural formula of two kinds of salt is:
Neutral salt
Subsalt
R is C
8Alkyl
The antioxygen corrosion inhibitor (D) that contains 0.001-30% (weight) in the additive composition for lubricant oil of the present invention.
Further, additive composition for lubricant oil of the present invention, it contains: (A) a certain amount of mineral oil and a certain amount of, (B) at least a ashless dispersant; (C) at least a metal detergent; (D) at least a antioxygen corrosion inhibitor;
Wherein said (A) is the high viscosity index (HVI) paraffin base oil.
Wherein said additive composition for lubricant oil contains the mineral oil (A) of 20% (weight) at least.
In additive composition for lubricant oil of the present invention: (B) component is suitably two succimide dispersion agents.Can obtain from commodity LAN152 or the LAN152A that Lanzhou oil-refining chemical head factory is produced.Also can be from similarly obtaining the commodity both at home and abroad.Should keep in the additive composition for lubricant oil nitrogen content constant in only being to use, the two succimide commodity consumptions of different nitrogen contents are converted.
(C) component is suitably alkaline alkyl sodium salicylate salt.Can obtain from the commodity LAN109 of Lanzhou oil-refining chemical head factory production.The product that perhaps adopts Lanzhou oil-refining chemical head factory to make by Chinese patent 94106384.4.These two kinds of products remove the latter to be mixed with sulfonate, or mixes outside the no obvious sediment generation with the lubricating oil that contains sulfonate, and other quality and performance are basic identical, can exchange use.
(D) the component optimum is the dioctyl zinc dithiophosphate of subsalt.Can obtain from the LAN203A commodity of Lanzhou oil-refining chemical head factory production.Also can adopt similar commodity both at home and abroad, during modulation lubricating oil, except adding additive combination beyond the region of objective existence of the present invention, single-stage oil also need add pour point depressant and kilfoam; And multi-grade oil need add viscosity index improver, pour point depressant and kilfoam.
Viscosity index improver is suitably copolymer from ethylene and propylene or has dispersed viscosity index improver.Can obtain from the LAN614 or the LAN615 commodity of Lanzhou oil-refining chemical head factory production, can calculate, suitably reduce (B) amounts of components by nitrogen content.
The pour point depressant or the pour point reducer that are used for lubricating oil can be LAN803A or the LAN803B that Lanzhou oil-refining chemical head factory is produced.Also can be with other domestic and international commodity pour point depressant or pour point reducer.
The kilfoam that is used for lubricating oil generally is commodity methyl-silicone oil T901.
Compositions of additives used among the present invention is defined as (F) and comprises: two succimides (B), alkyl sodium salicylate (C) and dioctyl zinc dithiophosphate (D).Wherein (B) component is 0.74 with (C) components by weight, and (D) component is 17 2.1 millimole/kilograms (in the zinc content).
Select the good binder component of performance can't solve problem to be solved by this invention fully.The present invention utilizes interactional principle between the well-known binder component, make every effort in the compositions of additives each functional additive component except that having given play to the self characteristics function fully, satisfying aspect the every use properties requirement of engine oil, make the stronger ＂ synergy ＂ of generation between each binder component as far as possible, avoid occurring ＂ antagonistic action ＂.About " modern lubricating oil and the fuel dope " that the notion of ＂ synergy ＂ and ＂ antagonistic action ＂ is write at Zhang Jinghe etc., Sinopec press, existing narration in 17～20 pages in December, 1991 first version.
As everyone knows, lubricating oil is to be in different envrionment conditionss in engine piston surface and crankcase.150～300 ℃ of scopes, be convenient to oxygen and spread to oil reservoir by and oil reservoir thin (0.3～16 micron) in the temperature of piston face work for lubricating oil.It is typical oil sheet oxidising process herein; And the lubricating oil working temperature in the crankcase is generally at 40～150 ℃.Oil reservoir thicker (＞10mm), be unfavorable for that oxygen spreads to oil reservoir.It is typical thick oil pay oxidising process herein.Hydrocarbon oxidation in the lubricating oil is to belong to consecutive reaction, and in the oil sheet oxidising process, oxidizing reaction speed is fast, generates the deep oxidation product more, as colloid, bituminous matter and carbon precipitates one compounds.These compounds are potential paint film and the carbon deposits that deposit to piston face.And in the thick oil pay oxidising process, oxidizing reaction speed is relatively slow.The products in early stage that generate the oil sheet oxidation products more, as aldehyde, ketone, acid, alcohol acid, resin etc.The degree of depth of oil sheet and thick oil pay oxidising process is different, and the slowest process (being controlled step) of speed of response is also inequality.This is different with regard to the additive that has determined this two kinds of oxidation reaction of effective control to be adopted.In order to select effective additives component and compositions of additives, the present invention adopts oil engine oxidation stability assay method (SY2681) simulation crankcase thick oil pay oxidising process.Test conditions is: the test tube internal diameter 24 ± 1mm of device formation testing, length 200 ± 2mm: at every turn adorn formation testing 40ml, 165 ℃ of test oil temperature, aerating oxygen flow 200 ± 10ml/min, test period 12 hours.Test-results is with metal testing plate changes in weight before and after the oxidation, and 50 ℃ of kinematic viscosity variations of formation testing, pentane insolubles etc. are estimated.Overall score is more little, and the expression oxidation stability is good more.Vice versa.
Adopt board-like coking device test simulation piston oil sheet oxidising process simultaneously.Test conditions is: equipment is the 25B-19 template formula coking device that Japanese bright peak Co., Ltd. makes.320 ℃ of test plate (panel) temperature, 150 ℃ of formation testing temperature are spattered oily mode continuously, test period 4 hours.The test-results test plate surface generates sediment yield (mg).Settling is few, and expression formation testing thermal oxidation stability and high temperature detergency are good, and vice versa.
In order to estimate CC and the CD requirement whether lubricating oil composition meets GB11122 and GB11123 specification or the API of U.S. stone association classification, need carry out the 1-H2 testing of engine of GB/T9932 or ASTM STP-509A Part2 regulation, the L-38 bearing corrosion test of the 1-G2 testing of engine of GB/T9933 or ASTM STP-509APart1 regulation and SH/T265 or ASTM STP-509A Part4 regulation.
Advantage of the present invention and effect further specify 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, used temperature is degree centigrade among the present invention, and used percentage ratio is weight percentage.
Embodiment 1
With single component, or two kinds of combination of components forms add in the MVI750 base oil (A) (character sees Table 1) with two succimides (B), alkyl sodium salicylate (C), dioctyl zinc dithiophosphate (D) and other commercial additive.And these lubricating oil compositions are carried out the board-like coking device test of thick oil pay oxidation test (the results are shown in table 2) and oil sheet (the results are shown in table 3).The result shows, the effective additives component of control thick oil pay oxidation is dioctyl zinc dithiophosphate (D), and control oil sheet oxidates to generate effective additives component be alkyl sodium salicylate (C).Contain in the formation testing of two binder components, finding all has stronger ＂ synergy ＂ between two succimides (B) and two hot dithio sulphur zinc phosphates (D) and two succimide (B) and the alkyl sodium salicylate (C).And no tangible ＂ synergy ＂ between alkyl sodium salicylate (C) and the dioctyl zinc dithiophosphate (D).
Table 1 Xinjiang MVI750 base oil character
Project MVI750 kinematic viscosity, mm
2/ S
40℃ 139.8
100 ℃ of 11.53 viscosity index 64 pour point, ℃-5 flash-points (opening), 253 sulphur contents, weigh 0.14 nitrogen content, PPm 460 hydrocarbon are formed, heavy % stable hydrocarbon 89.9 aromatic hydrocarbons 9.0 polarity thing surpluses
Table 2 thick oil pay oxidation test (SY2681)
Formation testing test-results overall score
(0=is best) MVI7550 base oil 547MVI750 base oil+5.5% pair of succimide, (B) 230MVI750 base oil+5.5% calcium sulfenyl phenolate, (Paranox52) 12MVI750 base oil+5.5% alkyl sodium salicylate, (C) 50MVI750 base oil+5.5% calcium sulphonate, (Hitec 611) 337MVI750 base oil+0.1 dioctyl zinc dithiophosphate, (D) 9
The board-like coking device test of table 3
Additive (heavy %) test-results formation testing
Two fourth dialkyl group bigcatkin willow dioctyl two sulphur deposition things (mg)
The sour calcium of acid imide (B) (C) is for trbasic zinc phosphate (D) MVI750---191 1 5.5--152 2-5.5-97 3--5.5 345 4 3.9-1.6 145 5 2.3 3.2-89 6-4.2 1.3 117 notes: formation testing 1-6 all makes base oil with MVI750
Embodiment 2
Compositions of additives (F) used among the present invention comprising: two succimides (B), alkyl sodium salicylate (C) and dioctyl zinc dithiophosphate (D). wherein (B) component is 0.74 with (C) components by weight, and (D) component is 172.1 millimole/kilograms (in the zinc content).The compositions of additives (F) that 5.5% (weight) the present invention is used adds Xinjiang SAE30 base oil and grand celebration SAE30 base oil (character sees Table 4) respectively.Add 0.3% (weight) pour point depressant LAN803A and 10PPm kilfoam T901 simultaneously and form lubricating oil composition I and II.These two kinds of lubricating oil compositions (I and II) are all tested by 1-H2 and L-38, and respectively by SH/T0515 and the sequence test of SH0516 petrol motor.And the CC level oil man product prescription that is applicable to the grand celebration base oil is failed by 1-H2 test (seeing Table 5) with 7% (weight) adding Xinjiang SAE30 base oil gained lubricating oil composition III.
Table 4 base oil character
SAE30100 ℃ of kinematic viscosity of project Xinjiang SAE30 grand celebration, mm
2/ S 11.74 11.71 viscosity indexs 72 103 sulphur contents, weigh 0.04 0.06 hydrocarbon composition, heavy %: stable hydrocarbon 85.8 84.4 aromatic hydrocarbons 12.7 14.8 polarity thing surplus surpluses
Table 5 lubricating oil composition assessment of performance result
Project I II III specification base oil Xinjiang SAE30 grand celebration SAE30 Xinjiang SAE30 compositions of additives 5.5% (F) 5.5% (F) 7.0% commodity prescription L-38 weightless (mg) 33 37.8-of result of the test bearing shell coat with lacquer minimum 9.01-H2 result of the test (480 hours) (240 hours) the apical ring groove of cured scoring 10 9.9-in maximum 40 piston skirts and fill the carbon rate, and 137.8 137.2 174.1 maximum 140EQ140 gasoline engine performances evaluation (SH/0515) the program II corrosions of body %3 9 14 maximum 45 total weighted scorings (WTD) are passed through--pass through by program III high-temperature oxydation and scratch--passing through by program V low temperature greasy filth--by CA141 gasoline engine performance evaluation (SH/T0516) program II corrosion-by-by program III high-temperature oxydation and scratch-by-by program V low temperature greasy filth-by-meeting SC/CC by evaluation, to meet SD/CC failed
Embodiment 3
In Qinghai HVI paraffinic base SAE10W base oil (character is listed in table 6), add used interpolation composition (F) in 7.7% embodiment of the invention 2,7.8% viscosity index improver LNA604,0.4% pour point depressant LAN803A and 10PPm kilfoam T901.Prepared 10W/30 composition oil of gasoline engine (IV) meets GB11121 specification SD level oil and requires (seeing Table 7) by test of SH/T0516 gasoline engine performance and L-38 test.
In Qinghai HVI paraffinic base SAE15W base oil (character is listed in table 6), add 7.1% compositions of additives (F), 0.6% alkyl sodium salicylate (C), 10.5% viscosity index improver Paratone718,0.3% pour point depressant LAN803A and 10PPm kilfoam.Gained 15W/40 diesel engine oil composition (V) has passed through 1-H2 and L-38 test, meets GB11122 specification CC level oil and requires (seeing Table 7).
Table 6 base oil character
SAE10W Qinghai, project Qinghai SAE15W kinematic viscosity, mm
2/ S
40℃ 23.76 39.80
100 ℃ 4.53 6.08 viscosity index 99 92 pour points, ℃-15 condensation point-14 flash-points (opening), ℃ 201 212 sulphur contents, heavy % 0.15 0.09 nitrogen content, PPm 70 50 hydrocarbon are formed, and heavy % big gun and hydrocarbon 88.6 93.7 aromatic hydrocarbons 10.9 5.7 polarity thing surplus surpluses are annotated: base oil all contains 6-8% bright stock (or residual oil)
Lubricating oil composition (V) carries out 12000 kilometers test in places of not changing oil respectively on 5 Japanese HINO RJ172SA passenger vehicle HINO EH700 supercharged diesel engines, the formation testing performance does not have obviously and decays, and can also continue this oil of operation instruction and have the long oil draining period.
Table 7 lubricating oil composition assessment of performance result
Project IV V specification kinematic viscosity (100 ℃), mm
2/ s 10.60 14.69 apparent viscosity, mPa.S
-15℃ - 3400
-20 ℃ of 3340-border pumping temperatures ℃＜-25＜-20 flash-points (opening), ℃ 205 225 pour points, ℃-37-33L-38 test-results bearing shell weightlessness, the minimum 9.0CA141 gasoline engine performance of mg 23.8 32.7 maximum 40 piston paint film scorings-10.0 evaluation (SH/T0516) program II corrosion test by-by program III high temperature oxidation and scratch by-by program V low temperature greasy filth by-fill the carbon rate by 1-H2 test-results apical ring groove, the maximum 140 piston ring side plaies loss of the maximum 80 total weighted scorings (WTD)-133 of body %-27, mm-0.010 maximum 0.013
Embodiment 4
In Qinghai HVIW200 neutral oil (character is listed in table 8), add 7.8% compositions of additives (F), 0.7% alkyl sodium salicylate (C), 9% viscosity index improver Paratone718,0.3% pour point depressant LAN803,10PPm kilfoam T901.Gained 15W/40 lubricating oil composition VI meets GB11123 specification or the requirement of APICD level by 1-G2 and L-38 test.And under above-mentioned similarity condition, the lubricating oil composition VII that adds 12% commodity prescription but fails by 1-G2 test (seeing Table 9)
Table 8 base oil character
Project Qinghai HVI200 kinematic viscosity, mm
2/ S
40℃ 39.88
100 ℃ of 6.17 viscosity index 100 pour point, ℃-17 flash-points (opening), ℃ 213 sulphur contents, heavy % 0.09 nitrogen content, PPm＜50 hydrocarbon are formed, heavy % stable hydrocarbon 92.6 aromatic hydrocarbons 6.5 polarity thing surpluses
Table 9 lubricating oil composition assessment of performance result
Project VI VII specification kinematic viscosity (100 ℃) mm
2/ S 16.1 apparent viscosity, (15 ℃), mPas 3050 border pumping temperatures, ℃＜-20 flash-points (opening), ℃ 219 pour points, 100 ℃ of viscosity of ℃-32 shear stabilities (the L-38 test is after 10 hours), mm
2/ S 14.3L-38 test-results bearing shell weightlessness, mg 23.7 maximum 40 piston paint film scorings, 10.0 minimum 9.01-G2 test-results apical ring grooves fill the carbon rate, the 221 410.7 maximum 300 piston ring side plaies losses of body % 61 70 maximum 80 total weighted scorings (WTD), mm＜0.013-maximum 0.013 is estimated and is met the CD failure
Embodiment 5
Form base oil (character is listed in table 10 respectively) with 80% Qinghai HVI100 neutral oil and the 20% poly-light synthetic oil of α-alkene (PAO-10).In base oil, add 7.3% compositions of additives (F), 1.2% alkylsalicylate (C), 15% viscosity index improver Paratone718,0.3% pour point depressant LAN803A and 10PPm kilfoam T901.Gained 10W/40 lubricating oil composition (VIII) has passed through 1-G2 and L-38 test, meets the requirement of GB11123 specification or APICD level oil.And under above-mentioned similarity condition, add 8.5% commodity prescription gained lubricating oil composition IX but not by 1-G2 test (seeing Table 11).
Table 10 base oil character
Project Qinghai HVIW100 PAO-10 kinematic viscosity, mm
240 ℃ 23.77 83.96 100 ℃ 4.48 19.87 viscosity indexs, 92 115 apparent viscosity of/S (20 ℃), mPaS 1,400 5800 flash-points (opening), ℃ 197 256 condensation points, ℃-19-51
Table 11 lubricating oil composition assessment of performance result
Project VIII IX specification kinematic viscosity (100 ℃), mm
2/ S 14.33 apparent viscosity, (20 ℃), mPaS 3200 border pumping temperatures, ℃＜-25 flash-points (opening), ℃ 220 pour points, 100 ℃ of viscosity of ℃-41 shear stabilities (the L-38 test is after 10 hours), mm
2/ S 12.70L-38 test-results bearing shell weightlessness, mg 30.7 maximum 40 piston paint film scorings, 10.0 minimum 9.0I-G2 test-results apical ring grooves fill the carbon rate, the 284.3 486.6 maximum 300 piston ring side plaies losses of body 80 70 maximum 80 total weighted scorings (WTD), mm＜0.013-maximum 0.013 is estimated and is met the CD failure
Claims (12)
1, a kind of engine lubrication oil additive composition is characterized in that it contains:
(A) a certain amount of thinning oil;
(B) at least a ashless dispersant
(C) at least a metal detergent
(D) at least a antioxygen corrosion inhibitor.
2, lubricating oil composition according to claim 1 is characterized in that said (A) is medium viscosity index intermediate base base oil, or the high viscosity index (HVI) paraffin base oil.
3,, it is characterized in that said composition contains at least 20% heavy mineral oil (A) according to the lubricating oil composition of claim 1.
4, lubricating oil composition according to claim 1 is characterized in that said (B) is suitably two succimide dispersion agents.
5,, it is characterized in that said composition contains the ashless dispersant of 10-50% (weight) (B) according to the lubricating oil composition of claim 1.
6, lubricating oil composition according to claim 1 is characterized in that said (C) is suitably alkylsalicylate.
7, lubricating oil composition according to claim 1 is characterized in that said (C) is calcium salt, base number (TBN) at least 140.
8,, it is characterized in that said composition contains the metal detergent of 0.1-60% (weight) (C) according to the lubricating oil composition of claim 1.
9, lubricating oil composition according to claim 1 is characterized in that said (D) is dialkyl dithiophosphate.
10, lubricating oil composition according to claim 1 is characterized in that said (D) is suitably the dioctyl dithiophosphates.
11, lubricating oil composition according to claim 1 is characterized in that said (D) is suitably the mixture of basic zinc salt and neutral zinc salt, subsalt content 20-50% (weight) wherein, and the molecular structural formula of two kinds of salt is:
Neutral salt
Subsalt
R is C
3Alkyl
12,, it is characterized in that said composition contains the antioxygen corrosion inhibitor (D) of 0.001-30% (weight) according to the lubricating oil composition of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96105364A CN1042743C (en) | 1996-06-05 | 1996-06-05 | Lubricating additive compsn. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96105364A CN1042743C (en) | 1996-06-05 | 1996-06-05 | Lubricating additive compsn. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1138621A true CN1138621A (en) | 1996-12-25 |
| CN1042743C CN1042743C (en) | 1999-03-31 |
Family
ID=5118852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96105364A Expired - Fee Related CN1042743C (en) | 1996-06-05 | 1996-06-05 | Lubricating additive compsn. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1042743C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089799C (en) * | 1999-08-03 | 2002-08-28 | 中国石油兰州炼油化工总厂 | Composition oil of gasoline engine |
| CN1089798C (en) * | 1999-08-03 | 2002-08-28 | 中国石油兰州炼油化工总厂 | Lubricating oil composition for engine |
| CN100497558C (en) * | 2001-11-09 | 2009-06-10 | 英菲诺姆国际有限公司 | Lubricant oil composition |
| CN104178261A (en) * | 2013-05-27 | 2014-12-03 | 天津市泽畅科技有限公司 | Complexing agent used in engine oil |
| CN104178260A (en) * | 2013-05-27 | 2014-12-03 | 天津市泽畅科技有限公司 | Nano metal complexing additive used in engine oil |
| CN104178262A (en) * | 2013-05-27 | 2014-12-03 | 天津市泽畅科技有限公司 | Composite additive for engine lubricating oil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256319A (en) * | 1989-03-30 | 1993-10-26 | Institut Francais Du Petrole | New thiophosphoretted compounds, their preparation and their use as additives for lubricants |
| IT1229656B (en) * | 1989-04-21 | 1991-09-06 | Mini Ricerca Scient Tecnolog | LUBRICANT COMPOSITIONS CONTAINING NON METALLIC DITHIOPHOSPHATES. |
| JP2919611B2 (en) * | 1990-01-05 | 1999-07-12 | ザ ルブリゾル コーポレイション | Universal driveline fluid |
| DE59209625D1 (en) * | 1991-07-17 | 1999-03-11 | Ciba Geigy Ag | Multifunctional lubricant additives |
-
1996
- 1996-06-05 CN CN96105364A patent/CN1042743C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089799C (en) * | 1999-08-03 | 2002-08-28 | 中国石油兰州炼油化工总厂 | Composition oil of gasoline engine |
| CN1089798C (en) * | 1999-08-03 | 2002-08-28 | 中国石油兰州炼油化工总厂 | Lubricating oil composition for engine |
| CN100497558C (en) * | 2001-11-09 | 2009-06-10 | 英菲诺姆国际有限公司 | Lubricant oil composition |
| CN104178261A (en) * | 2013-05-27 | 2014-12-03 | 天津市泽畅科技有限公司 | Complexing agent used in engine oil |
| CN104178260A (en) * | 2013-05-27 | 2014-12-03 | 天津市泽畅科技有限公司 | Nano metal complexing additive used in engine oil |
| CN104178262A (en) * | 2013-05-27 | 2014-12-03 | 天津市泽畅科技有限公司 | Composite additive for engine lubricating oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1042743C (en) | 1999-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101851549B (en) | Engine oil of long-service life gasoline engine | |
| JP3927724B2 (en) | Lubricating oil composition for internal combustion engines | |
| US4158633A (en) | Lubricating oil | |
| CN101851548B (en) | Engine oil of long-service life diesel engine | |
| KR101982815B1 (en) | Lubricant composition for marine engine | |
| CN101880586B (en) | Composite of engine lubricant and preparation method thereof | |
| CN107987920B (en) | Lubricating oil composition and method for improving detergency of lubricating oil | |
| US4203854A (en) | Stable lubricant composition containing molybdenum disulfide and method of preparing same | |
| CN102994193B (en) | Gas engine lubricating oil composition | |
| CN106566617A (en) | Preparation method for energy-saving and environment-friendly diesel engine oil | |
| CN111394159A (en) | Economical gasoline engine oil SN5W/30 and preparation method thereof | |
| CN103602481A (en) | Energy-saving complete-synthesis gasoline engine oil and synthesis method thereof | |
| US3761404A (en) | Lubricant compositions | |
| CN1238481C (en) | Rich fuel multi-grade environmental protection type oil for internal comustion engine and its production method | |
| RU2659785C2 (en) | Polyglycerol ether based lubricating composition | |
| CN1042743C (en) | Lubricating additive compsn. | |
| KR20190142771A (en) | Use of lubricant compositions to improve cleanliness of four-stroke vehicle engines | |
| CN1043360C (en) | Lubricating oil compsn. | |
| CN1181168C (en) | Engine lubricating oil composition | |
| CN1523086A (en) | Engine lubricating oil composition suited for III base oil | |
| CN105886029A (en) | Lubricating oil additive composition and lubricating oil for methanol fuel internal combustion engine | |
| CN116004313A (en) | Low-viscosity diesel engine lubricating oil and preparation method thereof | |
| CN1136300C (en) | Additive composition for diesel engine oil | |
| JP4095750B2 (en) | Lubricating oil composition for internal combustion engines | |
| CN1130447C (en) | Lubricating oil additive based on cermet lubrication mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |