CN108004067A - The military aircraft engine cleaner special and preparation method of a kind of performance efficiency - Google Patents
The military aircraft engine cleaner special and preparation method of a kind of performance efficiency Download PDFInfo
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- CN108004067A CN108004067A CN201711376021.3A CN201711376021A CN108004067A CN 108004067 A CN108004067 A CN 108004067A CN 201711376021 A CN201711376021 A CN 201711376021A CN 108004067 A CN108004067 A CN 108004067A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses the military aircraft engine cleaner special and preparation method of a kind of performance efficiency, belongs to engine washing techniques field, including following components：46 parts of higher fatty acids sodium, 35 parts of sodium sulfovinate, 13 parts of phosphate ester salt, 25 parts, 14 parts of alkanolamide, 35 parts of fatty acyl peptide condensation product, 13 parts of benzotriazole, 34 parts of triethanolamine, 25 parts of nano-metal-oxide, 36 parts of organic solvent, detergent further includes dichloromethane and each 12 parts of a fluorine dichloroethanes.Beneficial effect compared with prior art of the invention：Engine interior can be effectively cleaned, prevents oil leab from blocking；Engine cleansing agent includes special decontamination component, the colloid of engine interior engine oil recycle system, greasy filth and carbon deposit deposit can effectively be dissolved cleaning, is discharged with old machine oil, strengthens engine oil flow, reduces oil consumption and engine scuffing, increasing service life of engine；Suppress the generation of engine interior acidic materials；Protect the generation of engine interior acidic materials.
Description
Technical field
The invention discloses the military aircraft engine cleaner special and preparation method of a kind of performance efficiency, belong to and start
Machine cleaning technique field.
Background technology
Ordnance engine is very different with civilian engine at present, ordnance engine be then more likely to high thrust and
Reliability under bad working environments, proverb say to be exactly the big solid resistance to behaviour of strength；Although both most of technologies are overlapping, design
Difference in index, which causes ordnance engine, can not simply apply mechanically civilian engine technology, such as ordnance engine bypass ratio
To be less than civil aircraft and general transporter；The flight envelope of fighter plane is significantly larger than transporter, so engine must maintain
The steady operation under worst operating mode, to adapt to the requirement of air combat dogfight, it is necessary to make to control within to the time and ringing at a high speed
Should, employ reinforcing thrust device --- after-burning；Much it is better than civilian engine in the antisurging ability of military aircraft engine,
But overall, ordnance engine utilization rate is high, abrasion is big, oil consumption is big, short life, specifically for military aircraft engine
Cleaning it is particularly important that just becoming, the service life of engine can be extended.
The patent of Application No. 201310654270.X discloses a kind of carbon on engine detergent and preparation method thereof, should
Invention is gathered using alkyl benzene sulphonate triethanolamine, triethanol amine oleate, organic solvent, nonylphenol polyoxyethylene ether, lauryl amine
Prepared by ethylene oxide ether and nano Ce O, the cleaning agent of the invention, which need not be heated and stirred, just can clean carbon distribution, have superpower ooze
Saturating power, is being not required manually and under external force aided case, you can by the dirt removal inside tiny complex parts, but the invention
Cleaning to the engine of aircraft especially military aircraft cannot play lasting effect, for ordnance engine, due to
Ordnance engine does not block using frequent loss is big, it is necessary to persistently keep unimpeded, and cleaning is just particularly important, particularly carbon distribution
Material can block sump strainer and be injured caused by engine, it is therefore desirable to which a kind of engine cleansing agent can remove interior oil
The harmful substances such as mud, carbon distribution, colloid, keep engine interior clean, strengthen engine oil flow, reduce abrasion, extend engine
Service life.
The content of the invention
For the problems of the prior art, the present invention provides a kind of will not causing damage to engine for performance efficiency,
The lasting military aircraft engine cleaner special of effect holding capacity and preparation method, through overtesting, by higher fatty acids sodium
Effectively in-engine carbon distribution and colloid can be removed and do not stayed residual together with being put with sodium sulfovinate, sodium phosphate and sodium citrate
Slag, and add nano-metal-oxide and can effectively improve cleaning capacity, the solution that above-mentioned substance is mixed to get adds alcohol
Acid amides, fatty acyl-peptide condensation product, benzotriazole, triethanolamine can effectively remove remaining oil stain of engine etc., by clear
It is clean, engine surface formed one layer of temporary transient protective film, that is, the metal oxide and the mixture film of organic solvent obtained,
The accumulation of carbon distribution dust is prevented within a certain period of time.
Technical scheme is as follows, a kind of military aircraft engine cleaner special of performance efficiency, including following
Component：4-6 parts of higher fatty acids sodium, 3-5 parts of sodium sulfovinate, 1-3 parts of phosphate ester salt, 2-5 parts of sodium citrate, alkanolamide 1-4
Part, fatty acyl -3-5 parts of peptide condensation product, 1-3 parts of benzotriazole, 3-4 parts of triethanolamine, 2-5 parts of nano-metal-oxide, have
3-6 parts of solvent.
Preferably, a kind of military aircraft engine cleaner special of the invention, including following components：Higher fatty acids sodium
5 parts, 4 parts of sodium sulfovinate, 2 parts of phosphate ester salt, fatty acyl -4 parts of peptide condensation product, 2 parts of benzotriazole, triethanolamine 3 part, nanometer
4 parts of metal oxide, 5 parts of organic solvent.
Higher fatty acids sodium in the present invention is the raw material of manufacture soap, can play the role of clean, and sodium sulfovinate exists
Stablize in hard water, be in neutrality after water-soluble or alkaline, play the role of washing, phosphate ester salt has soda acid good stability, Yi Wei
Biodegradation, washability is good, especially more preferable to hard surface cleaning performance, can be used as metal cleaning, can also match somebody with somebody with organic solvent
Close, as dry-cleaning cleaning agent；Be beneficial to finely be cleaned engine using nano-metal-oxide, wash away be not easy to remove it is miscellaneous
Matter, through overtesting, by sodium citrate, alkanolamide, fatty acyl-peptide condensation product, benzotriazole, triethanolamine, nano metal
Combination of oxides is effectively molten by the colloid of engine interior engine oil recycle system, greasy filth and carbon deposit deposit to that can realize together
Solution cleaning, positive effect.
Preferably, detergent of the invention further includes dichloromethane and a fluorine dichloroethanes is 1-2 parts each, by reducing dichloro
The dosage of methane and a fluorine dichloroethanes, the initial boiling point of cleaning agent can be effectively improved by properly increasing solvent oil content, improve production
The storage of product and safety in utilization, divide the characteristics of considering dichloromethane and too fast fluorine dichloroethanes volatilization, select volatilization speed
Appropriate solvent naphtha is spent to be adjusted, it is appropriate to realize cleaning agent evaporation rate, can rapidly, thoroughly remove preservative, clean
Noresidue afterwards.In the cleaning agent of the present invention, the dichloromethane, low with surface tension, penetration is strong, can penetrate into
In greasy dirt molecule segment gap, internal stress is produced, can weaken and destroy adhesive force of the preservative to base material, so as to remove oil
Dirt, while have preferable removal effect to label paper, chewing gum and adhesive tape residue glue etc.；In the cleaning agent of the present invention, containing one
Fluorine dichloroethanes, has the characteristics that non-ignitable, small toxicity, smell are low, and effect in the present invention is to improve cleaning agent fire resistance
Effect.
Preferably, organic solvent of the invention is monochlorotoluene or ethyl acetate.
Preferably, phosphate ester salt of the invention is epoxy phosphate sodium.
Preferably, nano-metal-oxide of the invention is nano-cerium oxide or nano silicon oxide or nano manganese oxide.
A kind of preparation method of the military aircraft engine cleaner special of above-mentioned performance efficiency of the present invention, specific system
Preparation Method is as follows：
（1）Add organic solvents into reactor, take 4-6 parts of higher fatty acids sodium, 3-5 parts of sodium sulfovinate, phosphate ester salt 1-
3 parts, 2-5 parts of lemon acid sodium, 1-4 parts of alkanolamide, fatty acyl -3-5 parts of peptide condensation product, 1-3 parts of benzotriazole, triethanolamine 3-
4 parts are added sequentially in organic solvent, are heated to 10-20 degrees Celsius, are stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 1-2 parts of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano-metal-oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasound
Vibration 15-30 minutes, is stirred 10-20 minutes.
Preferably, a kind of preparation method of above-mentioned military aircraft engine cleaner special, specific preparation method are as follows：
（1）Add organic solvents into reactor, take 5 parts of higher fatty acids sodium, 4 parts of sodium sulfovinate, 2 parts of phosphate ester salt, lemon
3 parts of lemon acid sodium, 3 parts of alkanolamide, fatty acyl -4 parts of peptide condensation product, 2 parts of benzotriazole, 3 parts of triethanolamine are added sequentially to
In organic solvent, 15 degrees Celsius are heated to, is stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 1 part of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano-metal-oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasound
Vibration 25 minutes, is stirred 15 minutes.
In the preparation method of the present invention, by the way that by nano-metal-oxide ultrasonic vibration, metal oxide can be incorporated
Into detergent organic solvent, the form of similar solution frictional force is formed in the solution by nano-metal-oxide, increase is clear
Clean effect.
Beneficial effect compared with prior art of the invention：Engine interior can be effectively cleaned, helps improve oil circulation, is prevented
Only oil leab blocks；Make old machine oil discharge more thorough, reduce the pollution to new machine oil；Engine cleansing agent includes special go
Dirty component, can effectively dissolve cleaning, with old machine oil by the colloid of engine interior engine oil recycle system, greasy filth and carbon deposit deposit
Discharge, and then improve lubrication efficiency, strengthen engine oil flow, reduce oil consumption and engine scuffing, increasing service life of engine；
Suppress the generation of engine interior acidic materials；Protect the generation of engine interior acidic materials.
Embodiment
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent, but embodiment is only exemplary, does not form any restrictions to the scope of the present invention；Those skilled in the art should
It should be appreciated that the details and form of technical solution of the present invention can be repaiied without departing from the spirit and scope of the invention
Change or replace, but these modifications and replacement are each fallen within protection scope of the present invention.
Embodiment 1
Every part of chemical article of the present embodiment is 20g, chemical solution 20ml.
A kind of military aircraft engine cleaner special of performance efficiency of the present embodiment, including following components：Advanced fat
5 parts of fat acid sodium, 4 parts of sodium sulfovinate, 2 parts of epoxy phosphate sodium, fatty acyl -4 parts of peptide condensation product, 2 parts of benzotriazole, triethanolamine
3 parts, 4 parts of nano-cerium oxide, 5 parts of monochlorotoluene, further include dichloromethane and each 1 part of a fluorine dichloroethanes.
A kind of preparation method of above-mentioned military aircraft engine cleaner special of the present embodiment, specific preparation method is such as
Under：
（1）5 parts of monochlorotoluenes are added in reactor, take 5 parts of higher fatty acids sodium, 4 parts of sodium sulfovinate, epoxy phosphate sodium 2
Part, 3 parts of sodium citrate, 3 parts of alkanolamide, fatty acyl -4 parts of peptide condensation product, 2 parts of benzotriazole, 3 parts of triethanolamine add successively
Enter into 5 parts of monochlorotoluenes, be heated to 15 degrees Celsius, stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 1 part of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano-cerium oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasonic vibration
25 minutes, stir 15 minutes.
Embodiment 2
Every part of chemical article of the present embodiment is 100g, chemical solution 100ml.
A kind of military aircraft engine cleaner special of performance efficiency, including following components：4 parts of higher fatty acids sodium,
3 parts of sodium sulfovinate, 3 parts of epoxy phosphate sodium, 5 parts of sodium citrate, 1 part of alkanolamide, fatty acyl -3 parts of peptide condensation product, three nitrogen of benzo
3 parts of azoles, 4 parts of triethanolamine, 2 parts of nano silicon oxide, 3 parts of monochlorotoluene.
The detergent of the present embodiment further includes dichloromethane and each 2 parts of a fluorine dichloroethanes.
A kind of preparation method of above-mentioned military aircraft engine cleaner special of the present embodiment, specific preparation method is such as
Under：
（1）3 parts of monochlorotoluenes are added in reactor, take 4 parts of higher fatty acids sodium, 3 parts of sodium sulfovinate, epoxy phosphate sodium 3
Part, 5 parts of sodium citrate, 1 part of alkanolamide, fatty acyl -3 parts of peptide condensation product, 3 parts of benzotriazole, 4 parts of triethanolamine add successively
Enter into monochlorotoluene, be heated to 10 degrees Celsius, stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 2 parts of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano silicon oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasonic vibration
15 minutes, stir 20 minutes.
Embodiment 3
Every part of chemical article of the present embodiment is 200g, chemical solution 200ml.
A kind of military aircraft engine cleaner special of performance efficiency, including following components：6 parts of higher fatty acids sodium,
5 parts of sodium sulfovinate, 1 part of epoxy phosphate sodium, 2 parts of sodium citrate, 4 parts of alkanolamide, fatty acyl -5 parts of peptide condensation product, three nitrogen of benzo
1 part of azoles, 3 parts of triethanolamine, 5 parts of nano manganese oxide, 6 parts of monochlorotoluene.
The detergent of the present embodiment further includes dichloromethane and each 1 part of a fluorine dichloroethanes.
A kind of preparation method of the military aircraft engine cleaner special of above-mentioned performance efficiency of the present embodiment, specifically
Preparation method is as follows：
（1）6 parts of monochlorotoluenes are added in reactor, take 6 parts of higher fatty acids sodium, 5 parts of sodium sulfovinate, epoxy phosphate sodium 1
Part, 2 parts of sodium citrate, 4 parts of alkanolamide, fatty acyl -5 parts of peptide condensation product, 1 part of benzotriazole, 3 parts of triethanolamine add successively
Enter into 6 parts of monochlorotoluenes, be heated to 10 degrees Celsius, stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 2 parts of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano manganese oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasonic vibration
30 minutes, stir 10 minutes.
The specifically used method of this detergent：
Step 1：It is 1 to take this product to take this product and water ratio:4 are watered dilution, pour into container, fully shaking；
Step 2：Detergent after above-mentioned concussion is put in engine, vibration cleaning is until cleaning up.
Through overtesting, the engine cleaned using the product of above-described embodiment 1-3 is totally thorough, residual without unnecessary spot
Stay, and afterwards aircraft flight a very long time all without producing many spots again.
The Common detergents bought using the detergent and in the market of embodiment 1-3 clean the effect of the engine of same model
Such as following table：
Detergent as can be seen here using the present invention is more preferable to the cleaning performance of aircraft engine, keeps more longlasting, wherein implementing
The effect of example 1 is carried out.
Claims (8)
1. the military aircraft engine cleaner special of a kind of performance efficiency, it is characterised in that including following components：Higher aliphatic
Sour sodium 4-6 parts, 3-5 parts of sodium sulfovinate, 1-3 parts of phosphate ester salt, 2-5 parts of sodium citrate, 1-4 parts of alkanolamide, fatty acyl-peptide contracting
3-5 parts of compound, 1-3 parts of benzotriazole, 3-4 parts of triethanolamine, 2-5 parts of nano-metal-oxide, 3-6 parts of organic solvent.
A kind of 2. military aircraft engine cleaner special of performance efficiency according to claim 1, it is characterised in that bag
Include following components：5 parts of higher fatty acids sodium, 4 parts of sodium sulfovinate, 2 parts of phosphate ester salt, fatty acyl -4 parts of peptide condensation product, benzo three
2 parts of nitrogen azoles, 3 parts of triethanolamine, 4 parts of nano-metal-oxide, 5 parts of organic solvent.
A kind of 3. military aircraft engine cleaner special of performance efficiency according to claim 3, it is characterised in that institute
State that detergent further includes dichloromethane and a fluorine dichloroethanes is 1-2 parts each.
4. a kind of military aircraft engine cleaner special of performance efficiency according to claim 1 or 2 or 3, its feature
It is, the organic solvent is monochlorotoluene or ethyl acetate.
5. a kind of military aircraft engine cleaner special of performance efficiency according to claim 1 or 2 or 3, its feature
It is, the phosphate ester salt is epoxy phosphate sodium.
6. military aircraft engine cleaner special and the preparation side of a kind of performance efficiency according to claim 1 or 2 or 3
Method, it is characterised in that the nano-metal-oxide is nano-cerium oxide or nano silicon oxide or nano manganese oxide.
7. a kind of preparation method of the military aircraft engine cleaner special of performance efficiency according to claim 1 or 3,
Specific preparation method is as follows：
（1）Add organic solvents into reactor, take 4-6 parts of higher fatty acids sodium, 3-5 parts of sodium sulfovinate, phosphate ester salt 1-
3 parts, sodium citrate, alkanolamide, fatty acyl -3-5 parts of peptide condensation product, 1-3 parts of benzotriazole, 3-4 parts of triethanolamine successively
It is added in organic solvent, is heated to 10-20 degrees Celsius, is stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 1-2 parts of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano-metal-oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasound
Vibration 15-30 minutes, is stirred 10-20 minutes.
8. a kind of preparation method of the military aircraft engine cleaner special of performance efficiency according to claim 1 or 3,
Specific preparation method is as follows：
（1）Add organic solvents into reactor, take 5 parts of higher fatty acids sodium, 4 parts of sodium sulfovinate, 2 parts of phosphate ester salt, 2-
5 parts, 1-4 parts of alkanolamide, fatty acyl -4 parts of peptide condensation product, 2 parts of benzotriazole, 3 parts of triethanolamine be added sequentially to it is organic
In solvent, 15 degrees Celsius are heated to, is stirred 15 minutes with stirring rod；
（2）Take dichloromethane and each 1 part of a fluorine dichloroethanes to add in above-mentioned mixed solution, stir；
（3）Take nano-metal-oxide to be milled into powder, add in above-mentioned mixed solution, be heated to 15 degrees Celsius, utilize ultrasound
Vibration 25 minutes, is stirred 15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376021.3A CN108004067A (en) | 2017-12-19 | 2017-12-19 | The military aircraft engine cleaner special and preparation method of a kind of performance efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376021.3A CN108004067A (en) | 2017-12-19 | 2017-12-19 | The military aircraft engine cleaner special and preparation method of a kind of performance efficiency |
Publications (1)
| Publication Number | Publication Date |
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| CN108004067A true CN108004067A (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711376021.3A Pending CN108004067A (en) | 2017-12-19 | 2017-12-19 | The military aircraft engine cleaner special and preparation method of a kind of performance efficiency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795516A (en) * | 2018-06-15 | 2018-11-13 | 车境界高新材料科技（广州）有限公司 | A kind of in-cylinder direct-jet cleaning agent and preparation method thereof |
| CN110373278A (en) * | 2019-07-03 | 2019-10-25 | 浙江钱锦气雾剂制品有限公司 | A kind of high-efficiency environment friendly detergent for automobile carburetor |
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| US20090233838A1 (en) * | 2004-10-12 | 2009-09-17 | Pantheon Chemical, Inc. | Composition for cleaning and degreasing system for using the composition, and methods of forming and using the composition |
| CN102965206A (en) * | 2012-11-13 | 2013-03-13 | 山东泰德新能源有限公司 | Engine carbon deposition cleaning agent and preparation method thereof |
| CN103666818A (en) * | 2013-12-05 | 2014-03-26 | 青岛聚蚨源机电有限公司 | Engine carbon-deposition clearing agent and preparation method thereof |
| CN107312628A (en) * | 2017-06-27 | 2017-11-03 | 深圳市佛莱邦科技有限公司 | Aqueous engine cleansing agent and preparation method thereof |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090233838A1 (en) * | 2004-10-12 | 2009-09-17 | Pantheon Chemical, Inc. | Composition for cleaning and degreasing system for using the composition, and methods of forming and using the composition |
| CN102965206A (en) * | 2012-11-13 | 2013-03-13 | 山东泰德新能源有限公司 | Engine carbon deposition cleaning agent and preparation method thereof |
| CN103666818A (en) * | 2013-12-05 | 2014-03-26 | 青岛聚蚨源机电有限公司 | Engine carbon-deposition clearing agent and preparation method thereof |
| CN107312628A (en) * | 2017-06-27 | 2017-11-03 | 深圳市佛莱邦科技有限公司 | Aqueous engine cleansing agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795516A (en) * | 2018-06-15 | 2018-11-13 | 车境界高新材料科技（广州）有限公司 | A kind of in-cylinder direct-jet cleaning agent and preparation method thereof |
| CN108795516B (en) * | 2018-06-15 | 2020-10-16 | 车境界高新材料科技（广州）有限公司 | Direct injection cleaning agent in cylinder and preparation method thereof |
| CN110373278A (en) * | 2019-07-03 | 2019-10-25 | 浙江钱锦气雾剂制品有限公司 | A kind of high-efficiency environment friendly detergent for automobile carburetor |
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Application publication date: 20180508 |