CN1613984A - Wear-resistant repairing additive of lubricating oil and production thereof - Google Patents
Wear-resistant repairing additive of lubricating oil and production thereof Download PDFInfo
- Publication number
- CN1613984A CN1613984A CN 200310106894 CN200310106894A CN1613984A CN 1613984 A CN1613984 A CN 1613984A CN 200310106894 CN200310106894 CN 200310106894 CN 200310106894 A CN200310106894 A CN 200310106894A CN 1613984 A CN1613984 A CN 1613984A
- Authority
- CN
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- Prior art keywords
- lubricating oil
- wear
- powder
- friction pair
- present
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- 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
- 239000000654 additive Substances 0.000 title claims abstract description 15
- 239000010687 lubricating oil Substances 0.000 title claims description 33
- 230000000996 additive effect Effects 0.000 title claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 17
- 239000010936 titanium Substances 0.000 claims description 14
- 239000000395 magnesium oxide Substances 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 7
- 235000013312 flour Nutrition 0.000 claims description 7
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 239000000314 lubricant Substances 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 1
- 229910001586 aluminite Inorganic materials 0.000 abstract 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 abstract 1
- 238000006396 nitration reaction Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 10
- 238000005245 sintering Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 241000158728 Meliaceae Species 0.000 description 1
- 229910017976 MgO 4 Inorganic materials 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- JXADQXYYNUDZDB-UHFFFAOYSA-M [O-]C=O.N.[Mo+4] Chemical compound [O-]C=O.N.[Mo+4] JXADQXYYNUDZDB-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- -1 second is rare Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
A wear-proofing and repairing additives of lubricant oil comprises Silica dust1-10wt%; MgO 0.5-5wt%; aluminite powder 20-70wt%; titanic powder 0.5-5wt%; nickel powder 0.1-1wt%; chrome oxide 0.1-1wt%; lithium nitration 1-5wt%; gold powder 0.1-1wt%; and boracic powder 5-20wt%. All the said components are milled be particles of 50um-3nm uniformly. They can increase hardness of friction pair surface, improve wear resistance, repair defects, and prolong operating life. They can be used for steam cylinders, compressors, etc.
Description
Technical field:
The present invention relates to a kind of lubricating oil additive and preparation method thereof.Wear-resistant repair additive of a kind of lubricating oil and preparation method thereof particularly.
Background technology:
The lubricating oil long term operation is in the severe environment of friction and extruding, because the surface of friction pair speed of relative movement is higher, load is big, the influence of factors such as difference variation often makes deterioration of lubricant, loses lubrication, and cause working face wearing and tearing to occur, influence the works better of parts, even accident occurs.
In order to prolong the surface of friction pair life-span, adopt at present in lubricating oil, to add the additive that is grouped into by various one-tenth.For example, produce sedimental problem, can in lubricating oil, add calcium mahogany sulfonate in order to solve lubricating oil; In order to increase oil film thickness, can in lubricating oil, add polyisobutene, second is rare, propylene copolymer or the like viscosity additive; Foamy forms in the lubricating oil in order to reduce, and can add sulfonate in lubricating oil, dimethyl silicone oil, polyacrylic ester or the like foam killer; In order to reduce the frictional force of surface of friction pair, can in lubricating oil, add friction improver, as curing ammonium formic acid molybdenum (MODTC), olefine sulfide or the like.But, though more than the use of various additives have certain effect, since temperature, pressure, the influence of friction, in use for some time, the additive that uses just can consume voluntarily or be rotten at present, thereby friction pair continuation wearing and tearing, makes the mechanical dimension of bearing shell or piston change, cooperate inaccurately, produce loose spacious phenomenon.
Summary of the invention:
The present invention aims to provide wear-resistant repair additive of a kind of lubricating oil and preparation method thereof.This product is added in the lubricating oil, and this lubricating oil can increase the hardness of surface of friction pair at work, reduces frictional coefficient, improves the surface of friction pair wear resistance, and can repair the wear-out defect that has produced, to prolong the working life of friction pair.
The present invention is made up of according to weight ratio following component;
Silica flour Si 1-10%
Magnesium oxide MgO 0.5-5%
Aluminium powder Al 20-70%
Titanium valve Ti 0.5-5%
Nickel powder Ni 0.1-1%
Chromic oxide Cr2O
30.1-1%
Lithium nitride Li
3N 1-5%
Bronze Au 0.1-1%
Boron powder B 5-20%
Making method of the present invention is:
After above each component all is crushed to the particle that diameter is 50 μ m-3nm, uniform mixing.
According to different workplaces, can be according to volume ratio, at product of the present invention: lubricating oil=(1-30): in 100 the scope, product of the present invention is joined in the lubricating oil, in bearing or cylinder, use according to the conventional method.
When the lubricating oil that adds product of the present invention contacts and is lubricated grinding with surface of friction pair, the iron in product of the present invention and the lubricating oil, carbon, calcium, silicon, oxygen reacts; Because the surface friction heat release of friction pair and the exothermic heat of reaction of aluminium powder and oxide compound make the surface of friction pair be in the pyritous state; Carbon and silicon at high temperature generate silicon carbide, and its Mohs' hardness can reach 9; Aluminium and oxygen at high temperature react the generation aluminium oxide Al
2O
3Boron and carbon at high temperature generate norbide, its Mohs' hardness＞9; Nitrogen and silicon, aluminium generates nitride during reaction such as boron, and its hardness is all greater than 9; Above reaction process, not only on the surface of friction pair by silicon carbide, aluminum oxide, norbide, compounds such as nitride generate sintering metal, and, because metallic element is to the infiltration of metallic surface and the chemical reaction that carries out in the metallic surface, therefore, the sintering metal of generation is penetrated into the lattice neutralization of metal attached on the metallic surface.Because this sintering metal generates under grinding state, therefore, not only has high hardness, and has slick surface, extremely low frictional coefficient and the temperature expansion coefficient close with friction pair.
Therefore, use product of the present invention can reach following effect:
One, in traditional greasing, use product of the present invention to secondary, just can be under cold condition, surface at friction pair generates sintering metal automatically, this sintering metal not only has high wear resistance, and can repair the original wear-out defect of surface of friction pair, and its thickness can be between 1 μ m-2mm.
Two, because the sintering metal that generates on the surface of friction pair has high hardness, and have extremely low frictional coefficient and a temperature expansion coefficient close with friction pair, therefore, reduced the friction resistance of friction pair, overcome traditional metal and ceramic rimose disadvantage of causing different with the ceramic junction temperature coefficient of expansion.
Three, since the iron in product of the present invention and the lubricating oil, carbon, calcium, compositions such as silicon react, and are used, and therefore, have reduced the detrimental impurity in the lubricating oil.
Four, in case generate sintering metal on the surface of friction pair, will long-term existence, even oil change more, sintering metal still can not come off, and reaches long-acting wear-resistant effect, as be used in the cylinder of automobile, can in 100,000 kilometers the process of travelling, keep wear-resistant function.
In sum, the present invention is a kind of lubrication oil antiwear repair additive and preparation method thereof, this product is added in the lubricating oil, this lubricating oil at work, can increase the hardness of surface of friction pair, reduce frictional coefficient, improve the surface of friction pair wear resistance, and can repair the wear-out defect that has produced, to prolong the working life of friction pair.
Embodiment:
Embodiment 1:
According to weight ratio, adopt following component:
Silica flour Si 7%
Magnesium oxide MgO 4%
Aluminium powder Al 64%
Titanium valve Ti 3%
Nickel powder Ni 0.8%
Chromic oxide Cr
2O
30.8%
Lithium nitride Li
3N 3%
Bronze Au 0.4%
Boron powder B 17%
And above component is crushed to uniform mixing behind the particle that diameter is 50 μ m-3nm, become product of the present invention.
According to volume ratio, product of the present invention: the ratio of lubricating oil=2: 100 adds this product in 180,000 kilometers the car cylinder of having travelled with this product and lubricating oil.This cylinder causes former cylinder pressure to descend owing to mechanical wear, wherein, and 1 cylinder: 0.9Mpa; 2 cylinders: 0.9Mpa; 3 cylinders: 1.0Mpa; 4 cylinders: 0.9Mpa.Crankcase gas leakage is 14 liters/minute.
Add to add the lubricating oil of product of the present invention in cylinder, when continuing to travel after 2000 kilometers, test result is 1 cylinder: 1.2Mpa; 2 cylinders: 1.2Mpa; 3 cylinders: 1.2Mpa; 4 cylinders: 1.2Mpa, crankcase gas leakage are 8 liters/minute, reach the level of new car substantially.
Embodiment 2:
According to weight ratio, adopt following component:
Silica flour Si 6%
Magnesium oxide MgO 3%
Aluminium powder Al 66%
Titanium valve Ti 2%
Nickel powder Ni 0.9%
Chromic oxide Cr
2O
30.9%
Lithium nitride Li
3N 3%
Bronze Au 0.2%
Boron powder B 18%
And above component is crushed to uniform mixing behind the particle that diameter is 50 μ m-3nm, become product of the present invention.
This product 600ml is added in 210,000 kilometers certain the lorry cylinder of having travelled.The former deviation from cylindrical form of this cylinder is bigger, wherein 1 cylinder: 0.15mm; 2 cylinders: 0.14mm; 3 cylinders: 0.15mm; 4 cylinders: 0.13mm, 5 cylinders: 0.00mm, 6 cylinders: 0.01mm.
At rering more only, cylinder barrel is not done under the situation of any repair of machine, in cylinder, add the lubricating oil that adds product of the present invention after, when continuing to travel after 2000 kilometers, test result is 1 cylinder: 0.00mm; 2 cylinders: 0.01mm; 3 cylinders: 0.00mm; 4 cylinders: 0.01mm, 5 cylinders: 0.00mm, 6 cylinders: 0.01mm, the size of reparation is between 0.15mm-0.12mm, and is very obvious to the repairing effect of wearing and tearing.
Embodiment 3:
According to weight ratio, adopt following component:
Silica flour Si 9%
Magnesium oxide MgO 4.7%
Aluminium powder Al 61%
Titanium valve Ti 3.5%
Nickel powder Ni 0.5%
Chromic oxide Cr
2O
30.5%
Lithium nitride Li
3N 5%
Bronze Au 0.8%
Boron powder B 15%
And above component is crushed to uniform mixing behind the particle that diameter is 50 μ m-3nm, become product of the present invention.
Product 400ml of the present invention is added a 1M of experience wear
3In the air compressor.This air compressor is original, and additional oil level is 2 kilograms/two days, and the on time is long owing to wear and tear, and stop time is short, starts shooting 15 minutes, pauses 5 minutes.
Use product operation of the present invention after 8 days, additional oil level is 0.1 kilogram/two days, and the on time shortens, and starts shooting 10 minutes, pauses 5 minutes, has improved working efficiency, and oil consumption is reduced to 0.0125 kg/day by 0.25 kg/day.But this as seen, and the surface of compressor abrasion has obtained repairing.
Embodiment 4:
According to weight ratio, adopt following component:
Silica flour Si 8%
Magnesium oxide MgO 3%
Aluminium powder Al 68%
Titanium valve Ti 1%
Nickel powder Ni 0.9%
Chromic oxide Cr
2O
30.9%
Lithium nitride Li
3N 3%
Bronze Au 0.2%
Boron powder B 15%
And above component is crushed to uniform mixing behind the particle that diameter is 50 μ m-3nm, become product of the present invention.
With the minicar that newly dispatches from the factory is example; Travel after 2000 kilometers at new car, the lubricating oil of more changing planes adds product 100ml of the present invention, continues to travel 100,000 kilometers, move under the normal state at engine, detect the anti-wear effect of product of the present invention, detected result shows that wearing and tearing are approximately zero, cylinder bore is still within the new car standard, this shows, when product of the present invention is used for lubricating oil, good especially to the wear resistance of new car.
Claims (2)
1, wear-resistant repair additive of a kind of lubricating oil and preparation method thereof, the wear-resistant repair additive that it is characterized in that this lubricating oil is by following component, forms according to weight ratio;
Silica flour Si 1-10%
Magnesium oxide MgO 0.5-5%
Aluminium powder Al 20-70%
Titanium valve Ti 0.5-5%
Nickel powder Ni 0.1-1%
Chromic oxide Cr
2O
30.1-1%
Lithium nitride Li
3N 1-5%
Bronze Au 0.1-1%
Boron powder B 5-20%.
2, according to wear-resistant repair additive of the described lubricating oil of claim 1 and preparation method thereof, it is characterized in that the making method of the wear-resistant repair additive of this lubricating oil is:
With each component of following weight ratio, be crushed to uniform mixing behind the particle that diameter is 50 μ m-3nm:
Silica flour Si 1-10%
Magnesium oxide MgO 0.5-5%
Aluminium powder Al 20-70%
Titanium valve Ti 0.5-5%
Nickel powder Ni 0.1-1%
Chromic oxide Cr
2O
30.1-1%
Lithium nitride Li
3N 1-5%
Bronze Au 0.1-1%
Boron powder B 5-20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106894 CN1260329C (en) | 2003-11-03 | 2003-11-03 | Wear-resistant repairing additive of lubricating oil and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106894 CN1260329C (en) | 2003-11-03 | 2003-11-03 | Wear-resistant repairing additive of lubricating oil and production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1613984A true CN1613984A (en) | 2005-05-11 |
| CN1260329C CN1260329C (en) | 2006-06-21 |
Family
ID=34757855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310106894 Expired - Fee Related CN1260329C (en) | 2003-11-03 | 2003-11-03 | Wear-resistant repairing additive of lubricating oil and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1260329C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457875C (en) * | 2007-05-11 | 2009-02-04 | 徐远 | Abrasion-resistant agent having repairing function to metal frictional abrasion surface |
| CN102344846A (en) * | 2011-09-06 | 2012-02-08 | 天津开发区双利工贸有限公司 | Lubricating oil with negative wear self-repair function and preparation method thereof |
| CN101412943B (en) * | 2008-11-27 | 2012-07-04 | 黑龙江圣龙金属磨损自修复材料有限公司 | Composition for repairing surfaces of metallic rubbing pairs and preparation thereof |
| CN103289803A (en) * | 2013-06-14 | 2013-09-11 | 大连海事大学 | Turbo compressor oil composition, and preparation method and application thereof |
| CN104119987A (en) * | 2014-07-18 | 2014-10-29 | 安徽铖友汽车零部件制造有限公司 | Extreme-pressure antiwear additive |
| CN109456821A (en) * | 2018-09-27 | 2019-03-12 | 北京金洋润滑油有限公司 | A kind of fully synthetic bavin machine oil and preparation method thereof |
| CN110081300A (en) * | 2019-05-13 | 2019-08-02 | 重庆工商大学 | A kind of dry type thin oil sealing gas cabinet inner wall restorative procedure |
-
2003
- 2003-11-03 CN CN 200310106894 patent/CN1260329C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457875C (en) * | 2007-05-11 | 2009-02-04 | 徐远 | Abrasion-resistant agent having repairing function to metal frictional abrasion surface |
| CN101412943B (en) * | 2008-11-27 | 2012-07-04 | 黑龙江圣龙金属磨损自修复材料有限公司 | Composition for repairing surfaces of metallic rubbing pairs and preparation thereof |
| CN102344846A (en) * | 2011-09-06 | 2012-02-08 | 天津开发区双利工贸有限公司 | Lubricating oil with negative wear self-repair function and preparation method thereof |
| CN102344846B (en) * | 2011-09-06 | 2014-10-29 | 天津开发区双利工贸有限公司 | Lubricating oil with negative wear self-repair function and preparation method thereof |
| CN103289803A (en) * | 2013-06-14 | 2013-09-11 | 大连海事大学 | Turbo compressor oil composition, and preparation method and application thereof |
| CN104119987A (en) * | 2014-07-18 | 2014-10-29 | 安徽铖友汽车零部件制造有限公司 | Extreme-pressure antiwear additive |
| CN109456821A (en) * | 2018-09-27 | 2019-03-12 | 北京金洋润滑油有限公司 | A kind of fully synthetic bavin machine oil and preparation method thereof |
| CN109456821B (en) * | 2018-09-27 | 2021-10-26 | 北京金洋润滑油有限公司 | Fully synthetic diesel engine oil and preparation method thereof |
| CN110081300A (en) * | 2019-05-13 | 2019-08-02 | 重庆工商大学 | A kind of dry type thin oil sealing gas cabinet inner wall restorative procedure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1260329C (en) | 2006-06-21 |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianjin Development Zone Shuangli Industry Trade Co.,Ltd. Assignor: Wang Aiguo|Guan Wenxian Contract record no.: 2011120000061 Denomination of invention: Wear-resistant repairing additive of lubricating oil and production thereof Granted publication date: 20060621 License type: Exclusive License Open date: 20050511 Record date: 20110429 |
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Granted publication date: 20060621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |