CN107384336A - A kind of automobile using long-acting liquid coolant and preparation method thereof - Google Patents
A kind of automobile using long-acting liquid coolant and preparation method thereof Download PDFInfo
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- CN107384336A CN107384336A CN201710659194.XA CN201710659194A CN107384336A CN 107384336 A CN107384336 A CN 107384336A CN 201710659194 A CN201710659194 A CN 201710659194A CN 107384336 A CN107384336 A CN 107384336A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
Abstract
The invention discloses a kind of automobile using long-acting liquid coolant, belong to automobile cooling technical field, agent, preservative, Hinered phenols antioxidant, granulated sugar lubricant, anti-foaming additive, sodium hydroxide and soft water are seen through by di-fatty carboxylic acid, alcohol compound, azole compounds, inorganic salts compound, anticorrosive additive, Nano diamond, scale remover, lubrication to form, and the preparation method of the long-acting liquid coolant is also provided.Economical rationality of the present invention, technology are excellent, small toxicity, environment-protecting and non-poisonous; there is synergistic corrosion inhibition between each material; the corrosion for the metal material that can effectively prevent from being contacted in engine-cooling system simultaneously can prevent the generation of incrustation scale, rust deposite etc.; engine-cooling system can effectively be protected and extend the service life of engine-cooling system; ensure the normal operation of automobile and can effectively reduce operating cost; the protective agent cost is low, economical and practical.
Description
Technical field
The present invention relates to a kind of coolant and preparation method thereof, more particularly to a kind of automobile using long-acting liquid coolant and its system
Preparation Method, belong to automobile cooling technical field.
Background technology
Automobile Industry in China develops rapidly, and car ownership increases year by year, and the requirement to motor vehicle antifreeze fluid is also more and more, cold
But liquid is also known as anti-icing fluid, by antifreeze additive and prevents metal from producing the liquid that the additive of corrosion and water form, it needs
It is main component commonly using ethylene glycol now, added with anti-with freeze-proof, corrosion protection, heat conductivity and the performance never degenerated
Corrosion addition and the anti-icing fluid of water.
The engine-cooling system of internal combustion vehicle is a liquid-cooled sealing and circulating body being made up of cylinder, chuck and water tank
System.The working condition of cooling system directly affects the normal operation of vehicle and the service life of vehicle, and anti-icing fluid is that internal combustion engine follows
The cooling medium of ring cooling system, mainly it is made up of antifreezing agent, corrosion inhibiter, defoamer, colouring agent, mould inhibitor, buffer etc..With
The development of auto industry, to the performance requirement of engine also more and more higher, do not require nothing more than anti-icing fluid have relatively low freezing point and
Higher boiling point, should also be small or not dirty with preferable metal subunits, Cavitation resistant, Fouling resistant, and environmental pollution
Environment is contaminated, and has the combination property of longer service life etc. etc., various countries have all done substantial amounts of research to this, constantly release
Formula patent and excellent anti-icing fluid commodity, the anti-icing fluid popularity rate of some advanced countries have reached 100%.Domestic anti-icing fluid
Popularity rate is relatively low, and it is import that commercially available anti-icing fluid, which has a great deal of, because price is higher, is generally used for imported vehicle, although
Quickly, but many products are due to lacking strict quality inspection and unified inspection mark for domestic anti-icing fluid production increase in recent years
Standard, for that purpose it is necessary to absorb the advanced technology of foreign countries and combine the reality of China, Development and Production multi-functional high efficient antifreeze liquid is expired
The growing market demand of foot.
The content of the invention
The main object of the present invention is to provide for a kind of automobile using long-acting liquid coolant and preparation method thereof, and formula is simple,
It is long-acting, favorable anti-corrosion effect.
The purpose of the present invention can reach by using following technical scheme：
A kind of automobile using long-acting liquid coolant, by di-fatty carboxylic acid, alcohol compound, azole compounds, inorganic salts
Compound, anticorrosive additive, Nano diamond, scale remover, lubrication see through agent, preservative, Hinered phenols antioxidant, granulated sugar lubrication
Agent, anti-foaming additive, sodium hydroxide and soft water composition, the long-acting liquid coolant can not seethe with excitement, no in -60 DEG C to 197 DEG C
Freeze.
Further, long-acting liquid coolant fraction meter by weight includes following component：1~2 part of di-fatty carboxylic acid, alcohol
15~20 parts of class compound, 0.4~0.5 part of azole compounds, 6~8 parts of inorganic salts compound, anticorrosive additive 0.1~
0.2 part, 0.01~0.2 part of Nano diamond, 0.3~0.5 part of scale remover, lubrication see through 0.1~0.2 part of agent, preservative 0.5~
0.7 part, 0.2~0.4 part of Hinered phenols antioxidant, 0.1~0.2 part of granulated sugar lubricant, 0.01~0.2 part of anti-foaming additive,
3~5 parts of sodium hydroxide, 30~50 parts of soft water.
Further, the di-fatty carboxylic acid is any in adipic acid, pimelic acid, suberic acid, azelaic acid, decanedioic acid
A kind of or any a variety of mixture.
Further, the alcohol compound be in methanol, ethanol, ethylene glycol, glycerine any one or it is any more
The mixture of kind.
Further, the azole compounds are that benzotriazole, TTA, mercapto benzothiazole are wherein appointed
Meaning is a kind of.
Further, the inorganic salts compound is sodium benzoate, sodium nitrate, sodium metasilicate, potassium dihydrogen phosphate, tetraboric acid
Any one in sodium, potassium nitrate, potassium hypophosphite, silicate stabilizers or any a variety of mixture.
Further, the scale remover be hydrofluoric acid, oxalic acid, citric acid, hydrochloric acid, in phosphoric acid any one or it is any more
The mixture of kind.
Further, the lubrication sees through agent as in diethylene glycol monomethyl ether, polysorbate, phthalic anhydride, sebacic acid
Any one or any a variety of mixture.
Further, the anti-foaming additive is the anti-foaming additive containing polydimethylsiloxaneemulsions emulsions.
A kind of preparation method of automobile using long-acting liquid coolant, comprises the following steps：
Step 1：Under normal temperature, will soft water put into reactor in, then sequentially add di-fatty carboxylic acid, alcohol compound and
Hinered phenols antioxidant, adding sodium hydroxide and stirring to dissolving makes the pH of solution be 7.8~11；
Step 2：Anticorrosive additive, Nano diamond, scale remover and preservative are sequentially added, stirring adds after 20 minutes
Enter lubrication and see through agent and granulated sugar lubricant, stirring is to being completely dissolved；
Step 3：Azole compounds and inorganic salts compound are sequentially added, stirring adds anti-foaming addition after 30 minutes
Agent, stirring are produced to being completely dissolved.
The advantageous effects of the present invention：Automobile using long-acting liquid coolant according to the present invention and preparation method thereof, the present invention
Automobile using long-acting liquid coolant of offer and preparation method thereof, the economical rationality of this long-acting liquid coolant, technology are excellent, small toxicity, environmental protection
It is nontoxic, there is synergistic corrosion inhibition between each material, can effectively prevent the corruption of metal material contacted in engine-cooling system
Lose and the generation of incrustation scale, rust deposite etc. can be prevented, can effectively protect engine-cooling system and extend engine-cooling system
Service life, ensure the normal operation of automobile and can effectively reduce operating cost, the protective agent cost is low, economical and practical.
Embodiment
To make those skilled in the art more clear and clear and definite technical scheme, with reference to embodiment to this hair
It is bright to be described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1：
A kind of automobile using long-acting liquid coolant that this implementation 1 provides, by di-fatty carboxylic acid, alcohol compound, azole chemical combination
Thing, inorganic salts compound, anticorrosive additive, Nano diamond, scale remover, lubrication see through agent, preservative, Hinered phenols resist
Oxygen agent, granulated sugar lubricant, anti-foaming additive, sodium hydroxide and soft water composition, the long-acting liquid coolant can be at -60 DEG C to 197
Do not seethe with excitement, do not freeze in DEG C.
Further, in the present embodiment 1, long-acting liquid coolant fraction meter by weight includes following component：Binary fat
1 part of fat carboxylic acid, 15 parts of alcohol compound, 0.4 part of azole compounds, 6 parts of inorganic salts compound, 0.1 part of anticorrosive additive,
0.01 part of Nano diamond, 0.3 part of scale remover, lubrication see through 0.1 part of agent, 0.5 part of preservative, 0.2 part of Hinered phenols antioxidant,
0.1 part of granulated sugar lubricant, 0.01 part of anti-foaming additive, 3 parts of sodium hydroxide, 30 parts of soft water.
Further, in the present embodiment 1, the di-fatty carboxylic acid be adipic acid, pimelic acid, suberic acid, azelaic acid,
Any one in decanedioic acid or any a variety of mixture；The alcohol compound is methanol, ethanol, ethylene glycol, glycerine
In any one or any a variety of mixture；The azole compounds are benzotriazole, TTA, sulfydryl
Benzothiazole any of which.
Further, in the present embodiment 1, the inorganic salts compound is sodium benzoate, sodium nitrate, sodium metasilicate, phosphorus
Any one in acid dihydride potassium, sodium tetraborate, potassium nitrate, potassium hypophosphite, silicate stabilizers or any a variety of mixture；
The scale remover is any one or any a variety of mixture in hydrofluoric acid, oxalic acid, citric acid, hydrochloric acid, phosphoric acid；The profit
It is sliding to see through agent as any one in diethylene glycol monomethyl ether, polysorbate, phthalic anhydride, sebacic acid or any a variety of mixed
Compound；The anti-foaming additive is the anti-foaming additive containing polydimethylsiloxaneemulsions emulsions.
A kind of preparation method for automobile using long-acting liquid coolant that this implementation 1 provides, comprises the following steps：
Step 1：Under normal temperature, will soft water put into reactor in, then sequentially add di-fatty carboxylic acid, alcohol compound and
Hinered phenols antioxidant, adding sodium hydroxide and stirring to dissolving makes the pH of solution be 7.8~11；
Step 2：Anticorrosive additive, Nano diamond, scale remover and preservative are sequentially added, stirring adds after 20 minutes
Enter lubrication and see through agent and granulated sugar lubricant, stirring is to being completely dissolved；
Step 3：Azole compounds and inorganic salts compound are sequentially added, stirring adds anti-foaming addition after 30 minutes
Agent, stirring are produced to being completely dissolved.
Embodiment 2：
A kind of automobile using long-acting liquid coolant that this implementation 2 provides, by di-fatty carboxylic acid, alcohol compound, azole chemical combination
Thing, inorganic salts compound, anticorrosive additive, Nano diamond, scale remover, lubrication see through agent, preservative, Hinered phenols resist
Oxygen agent, granulated sugar lubricant, anti-foaming additive, sodium hydroxide and soft water composition, the long-acting liquid coolant can be at -60 DEG C to 197
Do not seethe with excitement, do not freeze in DEG C.
Further, in the present embodiment 2, long-acting liquid coolant fraction meter by weight includes following component：Binary fat
2 parts of fat carboxylic acid, 20 parts of alcohol compound, 0.5 part of azole compounds, 8 parts of inorganic salts compound, 0.2 part of anticorrosive additive,
0.2 part of Nano diamond, 0.5 part of scale remover, lubrication see through 0.2 part of agent, 0.7 part of preservative, 0.4 part of Hinered phenols antioxidant,
0.2 part of granulated sugar lubricant, 0.2 part of anti-foaming additive, 5 parts of sodium hydroxide, 50 parts of soft water.
Further, in the present embodiment 2, the di-fatty carboxylic acid be adipic acid, pimelic acid, suberic acid, azelaic acid,
Any one in decanedioic acid or any a variety of mixture；The alcohol compound is methanol, ethanol, ethylene glycol, glycerine
In any one or any a variety of mixture；The azole compounds are benzotriazole, TTA, sulfydryl
Benzothiazole any of which.
Further, in the present embodiment 2, the inorganic salts compound is sodium benzoate, sodium nitrate, sodium metasilicate, phosphorus
Any one in acid dihydride potassium, sodium tetraborate, potassium nitrate, potassium hypophosphite, silicate stabilizers or any a variety of mixture；
The scale remover is any one or any a variety of mixture in hydrofluoric acid, oxalic acid, citric acid, hydrochloric acid, phosphoric acid；The profit
It is sliding to see through agent as any one in diethylene glycol monomethyl ether, polysorbate, phthalic anhydride, sebacic acid or any a variety of mixed
Compound；The anti-foaming additive is the anti-foaming additive containing polydimethylsiloxaneemulsions emulsions.
A kind of preparation method for automobile using long-acting liquid coolant that this implementation 2 provides, comprises the following steps：
Step 1：Under normal temperature, will soft water put into reactor in, then sequentially add di-fatty carboxylic acid, alcohol compound and
Hinered phenols antioxidant, adding sodium hydroxide and stirring to dissolving makes the pH of solution be 7.8~11；
Step 2：Anticorrosive additive, Nano diamond, scale remover and preservative are sequentially added, stirring adds after 20 minutes
Enter lubrication and see through agent and granulated sugar lubricant, stirring is to being completely dissolved；
Step 3：Azole compounds and inorganic salts compound are sequentially added, stirring adds anti-foaming addition after 30 minutes
Agent, stirring are produced to being completely dissolved.
Embodiment 3：
A kind of automobile using long-acting liquid coolant that this implementation 3 provides, by di-fatty carboxylic acid, alcohol compound, azole chemical combination
Thing, inorganic salts compound, anticorrosive additive, Nano diamond, scale remover, lubrication see through agent, preservative, Hinered phenols resist
Oxygen agent, granulated sugar lubricant, anti-foaming additive, sodium hydroxide and soft water composition, the long-acting liquid coolant can be at -60 DEG C to 197
Do not seethe with excitement, do not freeze in DEG C.
Further, in the present embodiment 3, long-acting liquid coolant fraction meter by weight includes following component：Binary fat
1.5 parts of fat carboxylic acid, 16 parts of alcohol compound, 0.45 part of azole compounds, 7 parts of inorganic salts compound, anticorrosive additive
0.15 part, 0.015 part of Nano diamond, 0.4 part of scale remover, lubrication sees through 0.15 part of agent, 0.6 part of preservative, Hinered phenols resist
0.3 part of oxygen agent, 0.15 part of granulated sugar lubricant, 0.015 part of anti-foaming additive, 4 parts of sodium hydroxide, 40 parts of soft water.
Further, in the present embodiment 3, the di-fatty carboxylic acid be adipic acid, pimelic acid, suberic acid, azelaic acid,
Any one in decanedioic acid or any a variety of mixture；The alcohol compound is methanol, ethanol, ethylene glycol, glycerine
In any one or any a variety of mixture；The azole compounds are benzotriazole, TTA, sulfydryl
Benzothiazole any of which.
Further, in the present embodiment 3, the inorganic salts compound is sodium benzoate, sodium nitrate, sodium metasilicate, phosphorus
Any one in acid dihydride potassium, sodium tetraborate, potassium nitrate, potassium hypophosphite, silicate stabilizers or any a variety of mixture；
The scale remover is any one or any a variety of mixture in hydrofluoric acid, oxalic acid, citric acid, hydrochloric acid, phosphoric acid；The profit
It is sliding to see through agent as any one in diethylene glycol monomethyl ether, polysorbate, phthalic anhydride, sebacic acid or any a variety of mixed
Compound；The anti-foaming additive is the anti-foaming additive containing polydimethylsiloxaneemulsions emulsions.
A kind of preparation method for automobile using long-acting liquid coolant that this implementation 3 provides, comprises the following steps：
Step 1：Under normal temperature, will soft water put into reactor in, then sequentially add di-fatty carboxylic acid, alcohol compound and
Hinered phenols antioxidant, adding sodium hydroxide and stirring to dissolving makes the pH of solution be 7.8~11；
Step 2：Anticorrosive additive, Nano diamond, scale remover and preservative are sequentially added, stirring adds after 20 minutes
Enter lubrication and see through agent and granulated sugar lubricant, stirring is to being completely dissolved；
Step 3：Azole compounds and inorganic salts compound are sequentially added, stirring adds anti-foaming addition after 30 minutes
Agent, stirring are produced to being completely dissolved.
Embodiment 4：
A kind of automobile using long-acting liquid coolant that this implementation 4 provides, by di-fatty carboxylic acid, alcohol compound, azole chemical combination
Thing, inorganic salts compound, anticorrosive additive, Nano diamond, scale remover, lubrication see through agent, preservative, Hinered phenols resist
Oxygen agent, granulated sugar lubricant, anti-foaming additive, sodium hydroxide and soft water composition, the long-acting liquid coolant can be at -60 DEG C to 197
Do not seethe with excitement, do not freeze in DEG C.
Further, in the present embodiment 4, long-acting liquid coolant fraction meter by weight includes following component：Binary fat
1.5 parts of fat carboxylic acid, 18 parts of alcohol compound, 0.5 part of azole compounds, 7 parts of inorganic salts compound, anticorrosive additive 0.1
Part, 0.2 part of Nano diamond, 0.3 part of scale remover, lubrication see through 0.15 part of agent, 0.5 part of preservative, Hinered phenols antioxidant 0.3
Part, 0.15 part of granulated sugar lubricant, 0.2 part of anti-foaming additive, 5 parts of sodium hydroxide, 50 parts of soft water.
Further, in the present embodiment 4, the di-fatty carboxylic acid be adipic acid, pimelic acid, suberic acid, azelaic acid,
Any one in decanedioic acid or any a variety of mixture；The alcohol compound is methanol, ethanol, ethylene glycol, glycerine
In any one or any a variety of mixture；The azole compounds are benzotriazole, TTA, sulfydryl
Benzothiazole any of which.
Further, in the present embodiment 4, the inorganic salts compound is sodium benzoate, sodium nitrate, sodium metasilicate, phosphorus
Any one in acid dihydride potassium, sodium tetraborate, potassium nitrate, potassium hypophosphite, silicate stabilizers or any a variety of mixture；
The scale remover is any one or any a variety of mixture in hydrofluoric acid, oxalic acid, citric acid, hydrochloric acid, phosphoric acid；The profit
It is sliding to see through agent as any one in diethylene glycol monomethyl ether, polysorbate, phthalic anhydride, sebacic acid or any a variety of mixed
Compound；The anti-foaming additive is the anti-foaming additive containing polydimethylsiloxaneemulsions emulsions.
A kind of preparation method for automobile using long-acting liquid coolant that this implementation 4 provides, comprises the following steps：
Step 1：Under normal temperature, will soft water put into reactor in, then sequentially add di-fatty carboxylic acid, alcohol compound and
Hinered phenols antioxidant, adding sodium hydroxide and stirring to dissolving makes the pH of solution be 7.8~11；
Step 2：Anticorrosive additive, Nano diamond, scale remover and preservative are sequentially added, stirring adds after 20 minutes
Enter lubrication and see through agent and granulated sugar lubricant, stirring is to being completely dissolved；
Step 3：Azole compounds and inorganic salts compound are sequentially added, stirring adds anti-foaming addition after 30 minutes
Agent, stirring are produced to being completely dissolved.
In summary, in the present embodiment 1-4, according to the present embodiment 1-4 automobile using long-acting liquid coolant and its preparation side
Method, the automobile using long-acting liquid coolant that the present embodiment 1-4 is provided and preparation method thereof, the economical rationality of this long-acting liquid coolant, technology are excellent
It is different, small toxicity, environment-protecting and non-poisonous, there is synergistic corrosion inhibition between each material, can effectively prevent from being contacted in engine-cooling system
Metal material corrode and the generation of incrustation scale, rust deposite etc. can be prevented, can effectively protect engine-cooling system and extend hair
The service life of motivation cooling system, ensureing the normal operation of automobile and can effectively reduce operating cost, the protective agent cost is low,
It is economical and practical.
It is described above, further embodiment only of the present invention, but protection scope of the present invention is not limited thereto, and it is any
In scope disclosed in this invention, technique according to the invention scheme and its design add those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of automobile using long-acting liquid coolant, it is characterised in that by di-fatty carboxylic acid, alcohol compound, azole compounds, nothing
Machine salt compounds, anticorrosive additive, Nano diamond, scale remover, lubrication see through agent, preservative, Hinered phenols antioxidant,
Granulated sugar lubricant, anti-foaming additive, sodium hydroxide and soft water composition, the long-acting liquid coolant can be in -60 DEG C to 197 DEG C not
Boiling, do not freeze.
2. automobile using long-acting liquid coolant according to claim 1, it is characterised in that long-acting liquid coolant fraction by weight
Meter includes following component：1~2 part of di-fatty carboxylic acid, 15~20 parts of alcohol compound, 0.4~0.5 part of azole compounds, nothing
6~8 parts of machine salt compounds, 0.1~0.2 part of anticorrosive additive, 0.01~0.2 part of Nano diamond, scale remover 0.3~
0.5 part, lubrication see through 0.1~0.2 part of agent, 0.5~0.7 part of preservative, 0.2~0.4 part of Hinered phenols antioxidant, granulated sugar lubrication
0.1~0.2 part of agent, 0.01~0.2 part of anti-foaming additive, 3~5 parts of sodium hydroxide, 30~50 parts of soft water.
3. automobile using long-acting liquid coolant according to claim 1, it is characterised in that the di-fatty carboxylic acid be oneself two
Any one in acid, pimelic acid, suberic acid, azelaic acid, decanedioic acid or any a variety of mixture.
4. automobile using long-acting liquid coolant according to claim 1, it is characterised in that the alcohol compound is methanol, second
Any one in alcohol, ethylene glycol, glycerine or any a variety of mixture.
5. automobile using long-acting liquid coolant according to claim 1, it is characterised in that the azole compounds are parallel three nitrogen of benzene
Azoles, TTA, mercapto benzothiazole any of which.
6. automobile using long-acting liquid coolant according to claim 1, it is characterised in that the inorganic salts compound is benzene first
It is any one in sour sodium, sodium nitrate, sodium metasilicate, potassium dihydrogen phosphate, sodium tetraborate, potassium nitrate, potassium hypophosphite, silicate stabilizers
Kind or any a variety of mixture.
7. automobile using long-acting liquid coolant according to claim 1, it is characterised in that the scale remover be hydrofluoric acid, oxalic acid,
Any one in citric acid, hydrochloric acid, phosphoric acid or any a variety of mixture.
8. automobile using long-acting liquid coolant according to claim 1, it is characterised in that it is described lubrication see through agent for diethylene glycol (DEG)-
Any one in methyl ether, polysorbate, phthalic anhydride, sebacic acid or any a variety of mixture.
9. automobile using long-acting liquid coolant according to claim 1, it is characterised in that the anti-foaming additive is containing poly-
The anti-foaming additive of dimethyl siloxane emulsion.
A kind of 10. preparation method of automobile using long-acting liquid coolant as described in claim 1-9 any one, it is characterised in that
Comprise the following steps：
Step 1：Under normal temperature, soft water is put into reactor, di-fatty carboxylic acid, alcohol compound is then sequentially added and is obstructed
Phenolic antioxidant, adding sodium hydroxide and stirring to dissolving makes the pH of solution be 7.8~11；
Step 2：Anticorrosive additive, Nano diamond, scale remover and preservative are sequentially added, stirring adds profit after 20 minutes
Sliding to see through agent and granulated sugar lubricant, stirring is to being completely dissolved；
Step 3：Azole compounds and inorganic salts compound are sequentially added, stirring adds anti-foaming additive after 30 minutes, stirred
Mix to being completely dissolved and produce.
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Cited By (5)
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| CN107722949A (en) * | 2017-11-30 | 2018-02-23 | 安徽扬子生物科技有限公司 | A kind of full stress-strain type nanometer anti-icing fluid and preparation method thereof |
| CN108611062A (en) * | 2018-07-05 | 2018-10-02 | 胡果青 | A kind of automobile cooling |
| CN112877040A (en) * | 2021-01-27 | 2021-06-01 | 速马力(广州)环保研究院有限责任公司 | Water tank for motor vehicle and water tank additive thereof |
| CN113201315A (en) * | 2021-04-21 | 2021-08-03 | 安徽三湖新材料科技有限公司 | Preparation method and application of ethylene glycol type heat-conducting working medium in alpine and high-altitude areas |
| CN114686182A (en) * | 2022-05-06 | 2022-07-01 | 安徽天驰先锋油品制造有限公司 | Preparation method of environment-friendly cooling liquid for new energy automobile |
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