CN104927972B - Anticorrosive oil composition - Google Patents
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Abstract
The invention provides a kind of method of anticorrosive oil composition and raising antirust oil vibration and noise reducing performance, the method for improving antirust oil rustless property.Anticorrosive oil composition of the present invention includes Mannich base, antirust agent and major amount of lube base oil, wherein described Mannich base is prepared by following methods：（1）In the presence of catalyst for alkylation reaction, make phenol and/or single ortho alkyl phenol and polyene hydrocarbon reaction, collect alkylate；（2）By step（1）With polyamines polyene, aldehyde Mannich reaction occurs for obtained alkylate, obtains intermediate product；（3）By step（2）Intermediate product and parahydroxydi-phenylamine derivative, aldehyde occur second of Mannich reaction, collection obtains final Mannich base.The anticorrosive oil composition of the present invention has excellent vibration and noise reducing performance and rustless property, can fully meet the use requirement of low noise bearing.
Description
Technical field
The present invention relates to a kind of anticorrosive oil composition, more particularly to a kind of low noise antirust oil with vibration and noise reducing performance
Composition.
Background technology
In recent years, the bearing industry development such as China's automobile bearing, precision machine tool bearing, railway bearing, household electrical appliances bearing
Quickly.Bearing is widely used in all kinds of mechanical standard components, typically by lasso（Inner ring, outer ring）Rolling element（Such as steel ball）And guarantor
Hold frame composition.Except the bearing of some specific uses is by addition to nonmetallic materials rolling element and retainer are constituted, most bearings
All it is made up of metal material.It is common problem that metal material produces corrosion in atmospheric environment.Bearing rust is then
Its accuracy class can be influenceed, its service life is reduced, or even scrapped, or triggers accident in use.
With the development and popularization of household electrical appliance, household electrical appliances main frame manufacturer proposes more to bear vibration and noise objective
Carry out more strict requirements.It is low that the micro precision bearing that household electric appliances are generally used does not require nothing more than vibration values, sound without exception, and
It is required that bearing has certain vibration life and noise lifetime.Therefore, it is desired to which bearing antirust oil has good vibration and noise reducing
Energy.
There are numerous reports and patent document on water-base cutting fluid composition both at home and abroad.Patent CN1136075A is reported
A kind of high purity, vibration-absorbing and rustproof oil.The antirust oil is a kind of high cleanliness factor vibration damping antirust oil of bearing, and patent determines oil product
Rational formula, and the PROCESS FOR TREATMENTs such as refined, filtering have been carried out to relevant component, have greatly improved the cleanliness factor of oil product.Patent
CN102344848A reports a kind of bearing anti-corrosive oil composition, includes sulfonate and imidazoline succinic acid swallow, said composition oil
Molten stability is good, for a long time place not skinning, do not produce precipitation.
US5725612 reports a kind of Mannich base and its manufacture method.The alkyl that the Mannich base is replaced by alkyl is adjacent
Cresols and aldehyde, amine reaction manufacture are obtained, as detersive in terms of engine deposits generation is suppressed effectively.
A kind of Mannich base and its manufacture method are reported in US20040168364.The Mannich base is anti-by phenolic compound and aldehyde, amine
It should manufacture and obtain, the generation of engine deposits can be suppressed as detersive.
The effect of antirust oil increasingly tends to diversification.Bearing antirust oil should also have in addition to good anti-rust action
There are certain vibration damping, Noise Reduction, so that product meets the protection for the metal bearing being under a variety of environmental conditions and bearing and made
Particular/special requirement.
The content of the invention
The invention provides a kind of method of anticorrosive oil composition and raising antirust oil vibration and noise reducing performance, improve antirust oil
The method of rustless property.
Anticorrosive oil composition of the present invention includes Mannich base, antirust agent and major amount of lube base oil, its
Described in Mannich base prepared by following methods：
（1）In the presence of catalyst for alkylation reaction, make phenol and/or single ortho alkyl phenol and polyene hydrocarbon reaction, collect
Alkylate；
（2）By step（1）With polyamines polyene, aldehyde Mannich reaction occurs for obtained alkylate, obtains intermediate product；
（3）By step（2）Intermediate product and parahydroxydi-phenylamine derivative, aldehyde occur second of Mannich reaction, receive
Collection obtains final Mannich base.
In step（1）In, described polyolefin is by ethene, propylene, C4-C10Alpha-olefin be polymerized alone or combined polymerization and obtain
The polyolefin arrived, the C4-C10Alpha-olefin can select n-butene, isobutene, n-pentene, n-hexylene, positive octene and positive decene
In one or more, preferred polyisobutene, the number-average molecular weight of the polyolefin is 300-3000, preferably 500-2000, more
It is preferred that 500-1500.
Described single preferred atomic number of alkyl carbon of ortho alkyl phenol is 1-6 single ortho alkyl phenol, most preferably orthoresol.
Described catalyst for alkylation reaction is selected from Lewis acid catalysts, preferably alchlor, boron trifluoride, four chlorinations
Tin, titanium tetrabromide, boron trifluoride phenol, the one or more of boron trifluoride alcohol complex and boron trifluoride ether complex, it is optimal
Select boron trifluoride etherate and/or boron trifluoride methanol.
Mol ratio between the polyolefin, phenol and/or single ortho alkyl phenol, catalyst is 1：1-3：0.1-0.5, it is excellent
Select 1：1.5-3：0.1-0.4, most preferably 1：1.5-3：0.2-0.4.
Reaction time is 0.5h-10h, preferably 1h-8h, most preferably 3h-5h.
Reaction temperature is 0 DEG C -200 DEG C, most preferably preferably 10 DEG C -150 DEG C, 20 DEG C -100 DEG C.
In step（1）Reaction in need that solvent can be added without, solvent can also be added.The solvent is selected from boiling point 60
Hydro carbons between DEG C -120 DEG C, such as n-hexane, normal heptane, 60-90 petroleum ethers, 90-120 petroleum ethers.The solvent with
The mass ratio of the polyolefin is 0.5:1-2:1, preferably 0.7:1-1.5:1, most preferably 0.9:1-1.3:1.Step（1）Add
Solvent is participated in after reaction, and solvent is removed by distillation technique.
In step（2）In, described polyamines polyene has below general formula：
H2N(CH2)y[(NH(CH2)y]xNH2
Wherein x is 0-10 integer, and y is integer 2 or 3.The preferred diethylenetriamine of described polyamines polyene, triethylene four
Amine, TEPA, pentaethylene hexamine, the amine of six ethene seven, the amine of seven ethene eight, the amine of eight ethene nine, the amine of nine ethene ten and ten ethene
One or more in undecylamine, most preferably TEPA.Polyamines polyene can be by ammonia and alkylene dihalide such as dichloro alkane
It is prepared by hydrocarbon reaction.
The preferred formaldehyde of described aldehyde, acetaldehyde, C3-C7Fatty aldehyde, most preferably in paraformaldehyde, paraformaldehyde and formaldehyde
It is one or more.
The step（1）Mol ratio between obtained alkylate, the polyamines polyene and the aldehyde is 1:0.3-
3:0.1-3.5, preferably 1:0.4-2:0.2-2.5, most preferably 1:0.5-1.5:0.3-2.
The temperature of the Mannich reaction is 50 DEG C -200 DEG C, most preferably preferably 60 DEG C -150 DEG C, 80 DEG C -130 DEG C.
The time of the Mannich reaction is 1h-10h, most preferably preferably 2h-8h, 3h-6h.
In step（2）Reaction in can also add solvent and/or diluent, the solvent be selected from boiling point 100 DEG C-
Hydro carbons between 160 DEG C, such as toluene, dimethylbenzene, No. 150 industrial napthas, the addition of the solvent is about step（1）Middle alkane
The 2%-80% of base product quality, preferably 5%-60%, most preferably 5%-30%；The diluent include mineral lubricating oil, polyolefin,
One or more in polyethers, the addition of the diluent is about step（1）The 5%-80% of middle alkylate quality, preferably
10%-70%, most preferably 10%-60%.
Wherein described mineral lubricating oil can select API I, II, Group III mineral lubricant oil base oil, preferably 40 DEG C viscosity
For 20-120 centistokes（cSt）, viscosity index (VI) mineral lubricant oil base oil at least more than 50, more preferably 40 DEG C viscosity are 28-110
Centistoke（cSt）, mineral lubricant oil base oil of the viscosity index (VI) at least more than 80.
The polyolefin be as ethene, propylene, alpha-olefin be polymerized alone or combined polymerization obtained from polyolefin, the α-alkene
Hydrocarbon includes the one or more in n-butene, isobutene, n-pentene, n-hexylene, positive octene and positive decene, preferably 100 DEG C viscosity
For 2-25 centistokes（cSt）Poly alpha olefin（PAO）, most preferably 100 DEG C of viscosity are 6-10 centistokes（cSt）.The polyolefin
Number-average molecular weight is 500-3000, preferably 700-2500, most preferably 1000-2000.
The polyethers is the polymer generated by alcohol and epoxide reaction, and the alcohol is ethylene glycol and/or 1,3- third
Glycol, described epoxides is oxirane and/or expoxy propane, and the number-average molecular weight of the polyethers is 500-3000, excellent
Select 700-3000, most preferably 1000-2500.
In step（3）In, the structure of the parahydroxydi-phenylamine derivative is：
Wherein R1For H, C1-C8 alkyl, hydroxyl or nitro, preferably H, C1-C4 alkyl or hydroxyl, most preferably H.
In step（3）In, the preferred formaldehyde of described aldehyde, acetaldehyde, C3-C7Fatty aldehyde, most preferably paraformaldehyde, oligomeric first
One or more in aldehyde and formaldehyde.
The step（2）Intermediate product, the mol ratio of parahydroxydi-phenylamine derivative and the aldehyde be 1:0.3-3:
0.1-2, preferably 1:0.3-2:0.1-2, most preferably 1:0.5-1.5:0.3-1.5.
The temperature of the Mannich reaction is 40 DEG C -200 DEG C, most preferably preferably 60 DEG C -150 DEG C, 80 DEG C -130 DEG C.
The time of the Mannich reaction is 1h-10h, most preferably preferably 2h-8h, 3h-6h.
In the compositions of the present invention, the Mannich base accounts for the 0.1%~15% of composition gross mass, preferably 0.5%~
10%, most preferably 1%~5%.
Antirust agent used in the present composition is selected from sulfonate, alkenyl succinic acid, alkenyl succinate and oxidation
One or more in petrolatum soap.
One kind or many that the sulfonate can be selected in petroleum sulfonate, alkylnaphthalene sulfonate and alkylbenzenesulfonate
Kind.One kind that the petroleum sulfonate can be selected in petroleum sodium sulfonate, petrolic magnesium sulfonate, calcium mahogany sulfonate and barium mahogany sulfonate
Or a variety of, preferred barium mahogany sulfonate.The alkylnaphthalene sulfonate can select C6-C12 alkylnaphthalene sulfonates, for example, can select
Alkaline dinonyl naphthalene sulfonate barium（T705）, neutral dinonyl naphthalene sulfonate barium, dinonylnaphthalene sulfonic acid calcium.The alkylbenzenesulfonate can
To select C6-C12 alkylbenzenesulfonates, for example, it can select neopelex.
The alkenyl succinic acid or its salt can select dodecenylsuccinic acid, heptadecenyl imidazolidene succinate
（T703）, the alkenyl imidazoline salt of dialkyl succinylsuccinate 17（HY-10002）, the alkenyl imidazoline laurylene base fourth two of amine ethyl 17
One or more in hydrochlorate and 2- amine ethylenyl imidazoline alkenyl succinic acids.
The oxidized petrolatum soap can select oxidized petrolatum barium soap, oxidized petrolatum magnesium soap and oxidized petrolatum calcium soap
In one or more, preferably oxidized petrolatum barium soap, product designation T743.
The mixture of the preferred sulfonate of antirust agent and alkenyl succinate, mass ratio therebetween is 20~2:1,
It is preferred that 5~15:1.
The antirust agent accounts for the 1%~30% of present composition gross mass, preferably 3%~25%, more preferably 5%~
20%.
The lube base oil constitutes the key component of the present composition, the lube base oil be selected from API I,
One in one or more in II, III, IV, V class lubricating oil base oil, preferably API I, II, Group III lube base oil
Plant or a variety of.
Oiliness improver is preferably added in the anticorrosive oil composition of the present invention, the oiliness improver can select benzotriazole fat
Fat amine acid salt, vulcanization haco oil, dimeric dibasic acid, ethylene glycol fatty acid, sulfuration cottonseed oil, sulfurized olefin cotton oil, phosphoric acid triphen
One or more in fat, triethyl phosphate, fatty acid butyl ester and ester.
The oiliness improver preferably accounts for the 0.1%~5% of composition gross mass, most preferably 0.2%~3%.
Can also add antioxidant, viscosity index improver in the anticorrosive oil composition of the present invention, and its consumption from
The conventional amount used of this area.
Present invention also offers a kind of method for improving antirust oil vibration and noise reducing performance, this method is by above-mentioned Mannich
Alkali, antirust agent and the mixing of major amount of lube base oil.
Present invention also offers it is a kind of improve antirust oil rustless property method, this method be by above-mentioned Mannich base,
Antirust agent and the mixing of major amount of lube base oil.
The anticorrosive oil composition of the present invention has excellent vibration and noise reducing performance and rustless property, can fully meet low noise
The use requirement of sound bearing, can be widely applied to automobile bearing, precision machine tool bearing, railway bearing, household electrical appliances bearing etc. various
Bearing industry.
Embodiment
Table 1 gives the chemicals used in embodiment of the present invention.
The specification of main chemical and source used in table 1
The synthesizing polyisobutylene orthoresol of embodiment 1
In the 500ml four-hole boiling flasks equipped with agitator, thermometer, condenser pipe and dropping funel, 34.93g is added
(0.323mol) orthoresol, 6.88g (0.048mol) BFEE catalyst, 100ml n-hexanes solvent and 161.61g
The polyisobutene of (0.162mol)（Mn=1000）2h is reacted at 80 DEG C.After reaction terminates, use quality fraction is 5% hydroxide
Potassium solution cleaning reactant mixture once, and is washed to neutrality to remove catalyst with hot water, and then vacuum distillation removes solvent
And unreacted orthoresol.The hydroxyl valency of synthetic product polyisobutene orthoresol is 53.49mg/g.Hydroxy value measuring refers to GB/
Acetic anhydride method in T7383-2007.
Example reaction equation is as follows：
Embodiment 2
Obtained polyisobutene orthoresol 47.16g (0.045mol) in embodiment 1 is added to 500ml under nitrogen protection
In four mouthfuls of beakers equipped with agitator, thermometer and knockout, 2.70g (0.045mol) ethylenediamine, 3.83g is then added
(0.047mol) formaldehyde, and the toluene for adding 47ml after 80 DEG C are reacted 1.5h, is cooled to room temperature, addition as reaction dissolvent
4.17g (0.0225mol) parahydroxydi-phenylamine, 3.83g (0.047mol) formaldehyde, 1h is reacted at 70 DEG C.After question response terminates,
Vacuum distillation removes solvent and a small amount of water of generation, obtains final Mannich Base Detergent.Example reaction equation is as follows：
Or a small amount of
Embodiment 3
Obtained polyisobutene orthoresol 53.37g (0.051mol) in embodiment 1 is added to 500ml under nitrogen protection
In four mouthfuls of beakers equipped with agitator, thermometer and knockout, then add 7.46g (0.051mol) triethylene tetramine,
4.38g (0.054mol) formaldehyde, and the dimethylbenzene for adding 54ml after 100 DEG C are reacted 1.5h, is cooled to room as reaction dissolvent
Temperature, adds 5.87g (0.0255mol) 4- hydroxyl -2'- nitrodiphenylamines, 4.38g (0.054mol) formaldehyde, and 1h is reacted at 80 DEG C.
After question response terminates, vacuum distillation removes solvent and a small amount of water of generation, obtains final Mannich Base Detergent.Example is reacted
Formula reference implementation example 2.
Embodiment 4
Obtained polyisobutene orthoresol 58.80g (0.056mol) in embodiment 1 is added to 500ml under nitrogen protection
In four mouthfuls of beakers equipped with agitator, thermometer and knockout, then add 2.89g (0.028mol) diethylenetriamine,
4.78g (0.059mol) formaldehyde, and the toluene for adding 53ml after 100 DEG C are reacted 1.5h, is cooled to room as reaction dissolvent
Temperature, adds 2.59g (0.014mol) parahydroxydi-phenylamine, 2.39g (0.029mol) formaldehyde, and 1h is reacted at 80 DEG C.Question response knot
Shu Hou, vacuum distillation removes solvent and a small amount of water of generation, obtains final Mannich Base Detergent.
Embodiment 5
Obtained polyisobutene orthoresol 40.01g (0.038mol) in embodiment 1 is added to 500ml under nitrogen protection
In four mouthfuls of beakers equipped with agitator, thermometer and knockout, then add 3.61g (0.019mol) TEPA,
3.25g (0.040mol) formaldehyde, and the dimethylbenzene for adding 38ml after 80 DEG C are reacted 1.5h, is cooled to room as reaction dissolvent
Temperature, adds 1.91g (0.0095mol) 4,4'- diaminourea biphenol, 1.63g (0.020mol) formaldehyde, 1h is reacted at 70 DEG C.
After question response terminates, vacuum distillation removes solvent and a small amount of water of generation, obtains final Mannich Base Detergent.
Embodiment 4,5 can be found in following example reaction equation：
The synthesizing mannich alkali of comparative example 1
Obtained polyisobutene orthoresol 47.16g (0.045mol) in embodiment 1 is added to 500ml under nitrogen protection
In four mouthfuls of beakers equipped with agitator, thermometer and knockout, 2.70g (0.045mol) ethylenediamine, 3.83g is then added
(0.047mol) formaldehyde, and 47ml toluene is added as reaction dissolvent, after 80 DEG C are reacted 1.5h.After reaction terminates, decompression
Solvent and a small amount of water of generation is distilled off, final Mannich base is obtained.
Some additives or lube base oil added in antirust oil are as follows：
Mannich base is contrasted, is prepared by the embodiment 2 in CN103374085A, labeled as DQJ-1；
Mannich base is contrasted, is prepared by the embodiment 4 in CN103374085A, labeled as DQJ-2；
Mannich base is contrasted, is prepared by the embodiment 5 in CN103374085A, labeled as DQJ-3；
Mannich base is contrasted, is prepared by the embodiment 6 in CN103374085A, labeled as DQJ-4；
Antirust agent, alkaline dinonyl naphthalene sulfonate barium, Chengdu new capital petroleum additive factory, T705；
Antirust agent, heptadecenyl imidazolidene succinate, the emerging petroleum additive Co., Ltd in Jinzhou,
T703；
Oiliness improver, benzotriazole aliphatic acid amine salt, Nanjing Ning Jiang chemical plant, T406；
Lube base oil, 100SN（40 DEG C of viscosity are 22.29mm2/s）；
Lube base oil, 150SN（40 DEG C of viscosity are 29.40mm2/s）.
The embodiment 6~10 and comparative example 2~6 of low noise antirust oil
The embodiment 6~10 of low noise antirust oil and the formula composition of comparative example 2~6 are shown in Table 1.Each component in table is added
Into mediation container, in 40 DEG C~90 DEG C heating, incorporation time is generally 1h~6h, prepares obtain anticorrosive oil composition respectively
Embodiment and comparative example.
These low noise anticorrosive oil compositions are surveyed to the copper corrosion of antirust oil as test specimen respectively（GB/T5096）、
Damp heat test（GB/T2361）, salt spray test（SH/T0081）, lamination experiment（SH/T0692 appendix As）And vibration values（SO910 axles
Hold vibration measurement instrument）, its test result is shown in Table 1.
Table 1
Claims (12)
1. a kind of anticorrosive oil composition, including Mannich base, antirust agent and major amount of lube base oil, wherein described is graceful
Buddhist nun wishes alkali and prepared by following methods：(1) in the presence of catalyst for alkylation reaction, phenol and/or single ortho alkyl phenol are made
With polyene hydrocarbon reaction, alkylate is collected；(2) with polyamines polyene, aldehyde Manny occurs for the alkylate for obtaining step (1)
Uncommon reaction, obtains intermediate product；(3) intermediate product of step (2) and parahydroxydi-phenylamine derivative, aldehyde are occurred graceful for the second time
Ni Xi reacts, and collection obtains final Mannich base；The antirust agent is selected from sulfonate, alkenyl succinic acid, alkenyl succinate
With the one or more in oxidized petrolatum soap.
2. according to the composition described in claim 1, it is characterised in that described the step of the Mannich base is prepared in (1)
Polyolefin be by ethene, propylene, C4-C10Alpha-olefin be polymerized alone or combined polymerization obtained from polyolefin, the polyolefin
Number-average molecular weight is 300-3000, single ortho alkyl phenol that described single preferred atomic number of alkyl carbon of ortho alkyl phenol is 1-6, institute
The catalyst for alkylation reaction stated is selected from Lewis acid catalysts, the polyolefin, phenol and/or single ortho alkyl phenol, catalyst
Between mol ratio be 1：1-3：0.1-0.5.
3. according to the composition described in claim 1, it is characterised in that described the step of the Mannich base is prepared in (2)
Polyamines polyene there is below general formula：
H2N(CH2)y[(NH(CH2)y]xNH2
Wherein x is 0-10 integer, and y is integer 2 or 3, and described aldehyde is selected from formaldehyde, acetaldehyde, C3-C7Fatty aldehyde, the step
Suddenly the mol ratio between (1) is obtained alkylate, the polyamines polyene and the aldehyde is 1:0.3-3:0.1-3.5.
4. according to the composition described in claim 1, it is characterised in that described the step of the Mannich base is prepared in (3)
The structure of parahydroxydi-phenylamine derivative is：
Wherein R1For H, C1-C8 alkyl, hydroxyl or nitro, described aldehyde is selected from formaldehyde, acetaldehyde, C3-C7Fatty aldehyde, the step
Suddenly the mol ratio of the intermediate product of (2), parahydroxydi-phenylamine derivative and the aldehyde is 1:0.3-3:0.1-2, the Mannich
The temperature of reaction is 40 DEG C -200 DEG C.
5. according to the composition described in claim 1, it is characterised in that the Mannich base accounts for the 0.1% of composition gross mass
~15%.
6. according to the composition described in claim 1, it is characterised in that the sulfonate is selected from petroleum sulfonate, alkylnaphthalene sulphur
One or more in hydrochlorate and alkylbenzenesulfonate.
7. according to the composition described in claim 1, it is characterised in that the alkenyl succinic acid or its salt are selected from laurylene base fourth
Diacid, heptadecenyl imidazolidene succinate, the alkenyl imidazoline salt of dialkyl succinylsuccinate 17, the alkenyl imidazoles of amine ethyl 17
One or more in quinoline dodecenylsuccinic acid salt and 2- amine ethylenyl imidazoline alkenyl succinic acids.
8. according to the composition described in claim 1, it is characterised in that the antirust agent is selected from sulfonate and alkenyl succinate
Mixture, mass ratio therebetween is 20~2:1.
9. according to the composition described in claim 1, it is characterised in that the antirust agent account for composition gross mass 1%~
30%.
10. according to the composition described in one of claim 1-9, it is characterised in that add oiliness in the anticorrosive oil composition
Agent, the oiliness improver is selected from benzotriazole aliphatic acid amine salt, vulcanization haco oil, dimeric dibasic acid, ethylene glycol fatty acid, Vulcanizing Cotton
Seed oil, sulfurized olefin cotton oil, triphenyl phosphate, triethyl phosphate, fatty acid butyl ester and one kind in ester or
A variety of, the oiliness improver accounts for the 0.1%~5% of composition gross mass.
11. a kind of method for improving antirust oil vibration and noise reducing performance, this method is by the Manny described in one of claim 1-9
Uncommon alkali, antirust agent and the mixing of major amount of lube base oil.
12. a kind of method for improving antirust oil rustless property, this method is by the Mannich described in one of claim 1-9
Alkali, antirust agent and the mixing of major amount of lube base oil.
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| CN115322824B (en) * | 2022-03-31 | 2023-08-01 | 南京科润工业介质股份有限公司 | Rust-proof oil composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633326A (en) * | 1989-12-13 | 1997-05-27 | Exxon Chemical Patents Inc. | Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions |
| US5725612A (en) * | 1996-06-07 | 1998-03-10 | Ethyl Corporation | Additives for minimizing intake valve deposits, and their use |
| CN1260332C (en) * | 2000-12-08 | 2006-06-21 | 申保安 | Full loss mechanical lubricating oil |
| CN103374085A (en) * | 2012-04-26 | 2013-10-30 | 中国石油化工股份有限公司 | Mannich base and manufacturing method and application thereof |
-
2014
- 2014-03-20 CN CN201410106175.0A patent/CN104927972B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633326A (en) * | 1989-12-13 | 1997-05-27 | Exxon Chemical Patents Inc. | Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions |
| US5725612A (en) * | 1996-06-07 | 1998-03-10 | Ethyl Corporation | Additives for minimizing intake valve deposits, and their use |
| CN1260332C (en) * | 2000-12-08 | 2006-06-21 | 申保安 | Full loss mechanical lubricating oil |
| CN103374085A (en) * | 2012-04-26 | 2013-10-30 | 中国石油化工股份有限公司 | Mannich base and manufacturing method and application thereof |
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