CN108913106A - A kind of full stress-strain h type engine h coolant liquid - Google Patents
A kind of full stress-strain h type engine h coolant liquid Download PDFInfo
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- CN108913106A CN108913106A CN201810864563.3A CN201810864563A CN108913106A CN 108913106 A CN108913106 A CN 108913106A CN 201810864563 A CN201810864563 A CN 201810864563A CN 108913106 A CN108913106 A CN 108913106A
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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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/167—Phosphorus-containing compounds
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- Combustion & Propulsion (AREA)
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention relates to a kind of full stress-strain h type engine h coolant liquid, raw material includes following components and weight percentage：Ethylene glycol 30-97%, aliphatic carboxylic acid or its alkali metal salt 0.2-10%, triazole class compounds 0.01-1%, alcohol ether phosphoesterase 30 .01-1.2%, imidazoles 0.01-2%, defoaming agent 0.001-0.3%, surplus is deionized water.Compared with prior art, coolant liquid provided by the invention is good to the polymetallic antiseptic property of engine, without nitrite, borate, nitrate, silicate and aminated compounds, environmental pollution is small, improve the deposit stability and resistance to hard water of coolant liquid, it solves the problems such as cast aluminium nigrescence, cavitation corrosion, can guarantee the long-play of engine-cooling system.
Description
Technical field
The present invention relates to a kind of engine coolant, more particularly, to a kind of full stress-strain type light load engine coolant,
Belong to chemical technology field.
Background technique
With the development of the automobile industry, in order to mitigate car body weight, increase fuel economy, car engine cooling system
And the other components of engine gradually largely use aluminium alloy, it is also higher and higher to the quality requirement of engine coolant.Therefore, it sends out
The research emphasis of motivation coolant liquid first is that prevent almag pit corrosion and surface gaps corrosion.At the same time, for
The considerations of to environmental protection and mankind itself, some countries and automaker propose the composition and performance of coolant liquid higher
Requirement, be made that stringent limit to the environmentally harmful substance such as ammonium salt, borate, nitrite is contained in engine coolant
System.
Inorganic type coolant liquid, predominantly amine type, silicate-type and phosphate type, these formula service lifes it is short, containing pair
The harmful substance of environmental and human health impacts, in addition, silicate be easy be precipitated gel, make coolant liquid bad stability, influence using.
Therefore, inorganic type coolant liquid is difficult to meet increasingly harsh China Automobile Industry and environmental requirement.Due to organic acid type coolant liquid
Ion concentration is low, organic acid consumption is slow, long service life, is that one kind that engine coolant industry is generally had an optimistic view of in recent years is novel
Technology.
Currently, the coolant liquid that uses of domestic market is with inorganic salt type and is compounded with based on the organic acid formulas of inorganic salts, especially
It is that the formula of the compound certain amount silicate in organic acid formula obtains large range of popularization and use in recent years.
Organic acid formula technique has also obtained a degree of development.
In the United States Patent (USP) US5366651 of TEXACO company, disclosed antifreezing agent concentrate contains：(1) C5-C16 aliphatic series
Monocarboxylic acid or its alkali metal, ammonium and amine salt, (2) hydrocarbyl triazole, (3) alkyl or aryl imidazoles.Composition can prevent magnalium golden
The spot corrosion of category and surface gaps corrosion, should not consume, degrade.But also containing additional anti-in the antifreezing agent concentrate announced
Rotten agent：Borate, silicate, nitrate, nitrite, molybdate etc..
The preservative for anti-icing fluid announced in United States Patent (USP) US4759846 includes C6-C12 fat monoacid, boric acid
Salt and hydrocarbyl triazole compound can promote the heat transfer of aluminium alloy to corrode containing borate.
It includes two fragrance or aliphatic dicarboxylic acid mixing that United States Patent (USP) US5723061, which is related to an antifreeze composition,
Object, 1,3- diazole, triazole compounds.The composition mentioned has the attribute and thermal stability of excellent corrosion protection, especially conducts heat
When temperature is more than 150 degrees Celsius.But this kind of composition is contacted with aluminum metal, so that aluminium discoloration is blacked, to the gas of engine
Cave corrosion protection effect is bad.
Anti-icing fluid in EP0564721 includes C5-C16 fat monoacid or its alkali metal, ammonium salt, amine salt, triazole chemical combination
Object, imidazoles, although the composition has satisfied buffer capacity and reserve alkalinity, heat-resisting persistence is not grown, therefore is caused
The etching problem of aluminium or its alloy.
Patent CN101768428 invention provides a kind of full stress-strain h type engine h coolant liquid, birdss of the same feather flock together comprising aliphatic carboxylic acid, triazine
Tricarboxylic acid, benzoic acid, three (2 ethyl hexanoic acid) phosphonate esters, benzotriazole compound are closed, is had to various metals anti-
Corrosive effect, cast aluminium discoloration On Blackening.But triazine Type of Collective tricarboxylic acid used and three (2 ethyl hexanoic acid) phosphonic acids
Ester number lattice are more expensive, are not easy to prepare, coolant liquid higher cost.
Patent CN101948676 discloses a kind of silicate and adds organic acid type engine coolant, by aliphatic carboxylic acid and its
Alkali metal salt, sodium benzoate, methyl benzoic acid, triethyl phosphate, sodium borate decahydrate, methyl benzotriazazole, positive silicic acid
The composition such as second rouge, polyethylene glycol siloxanes has protective effect to the various metals inside engine coolant system, does not occur
Silicate gel forms precipitating, but it contains borate, and the heat transfer of aluminium alloy can be promoted to corrode.
CN1872944 discloses a kind of engine coolant, by aliphatic carboxylic acid and its alkali metal salt, polymerization tricarboxylic acid,
Sodium benzoate, sodium borate decahydrate, molybdate, sodium metasilicate, silicate stabilizers, triazole class compounds composition, prevent from starting
The corrosion of all metals contacted and nonmetallic materials in machine cooling system.Access is largely started about organic acid type both at home and abroad
The document of machine coolant liquid finds following problems：First, most of coolant liquid is half organic type, and still different degrees of uses
Toxic inorganic salt type corrosion inhibiter, such as nitrite, nitrate, molybdate etc., it is unfavorable to environmental protection, and service life
It is short；Second, full stress-strain type coolant liquid is less, and some full stress-strain coolant liquids do not solve the problem of aluminium discoloration blacks；Third, it is cold
But the problems such as deposit stability of liquid is poor, resistance to hard water difference and service life is short.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to have entirely to more metals
The full stress-strain type coolant liquid of face protective effect.Solve the problems, such as that cast aluminium blacks, cavitation corrosion and coolant liquid lay in stability.
The purpose of the present invention can be achieved through the following technical solutions：
In order to solve above-mentioned technical problem, the application of alcohol ether phosphate proposed by the present invention solves engine aluminum
The problem of discoloration blacks, especially under the reasonably optimizing proportion of organic carboxyl acid, triazole class compounds and imidazoles, to engine cool
More metals of system provide good corrosion-inhibiting energy, improve deposit stability, can keep steady in relatively low concentration
It is fixed.Full stress-strain h type engine h coolant liquid of the invention, by a large amount of screening experiment, the formula combination being had excellent performance,
The mass percent of its component and component is as follows：
The alcohol ether phosphate is selected from：Diethylene glycol monobutyl ether phosphate, diethylene glycol monomethyl ether phosphate, three second two
One or more any combination of alcohol only son ether phosphate, triethylene glycol monomethyl ether phosphate.
The alcohol ether phosphate includes the mixture of phosphate monoester and phosphate diester.There is good protection to make cast aluminium
With, can prevent aluminium discoloration black.And there is buffer function to pH after compounding with imidazoles, the reserve alkali of engine coolant can be improved
Degree.
The preferred diethylene glycol monobutyl ether phosphate monoester of the alcohol ether phosphate and diethylene glycol monobutyl ether phosphate diester
Mixture, single dibasic acid esters molecular structural formula are：
The aliphatic carboxylic acid or its alkali metal salt be selected from unitary aliphatic carboxylic acid or its alkali metal salt, di-fatty carboxylic acid or
One of its alkali metal salt or a variety of combinations.
The monoacid aliphatic carboxylic acid or its alkali metal salt be selected from octanoic acid, n-nonanoic acid, isononanoic acid, capric acid, neodecanoic acid one
Kind or a variety of or its alkali metal salt.
The binary acid aliphatic carboxylic acid or its alkali metal salt is selected from ethanedioic acid, suberic acid, decanedioic acid, dodecanedioic acid
One or more or its alkali metal salt.
The alkali metal salt of the aliphatic carboxylic acid prepares one kind that alkali used in raw material is potassium hydroxide, sodium hydroxide
Or two kinds of mixture, preferred potassium hydroxide.
The triazole class compounds are selected from one or two kinds of combinations of benzotriazole, methylbenzotriazole.
The weight percent of the imidazoles is 0.01-1%, preferably 0.1-0.6%.
The defoaming agent is organosiloxane, polyethers defoaming agent, preferably polyethers defoaming agent.
Coolant liquid of the present invention also may include an inorganic base, such as sodium hydroxide or potassium hydroxide, purpose
It is to form corresponding salt as the aliphatic carboxylic acid in PH regulator and in composition above-mentioned, coolant liquid is made to be in one
A reasonable pH value range is 7.5-9.Heretofore described PH regulator be selected from sodium hydroxide, potassium hydroxide one kind or
Two kinds of mixture.
A kind of preparation method of full stress-strain h type engine h coolant liquid of the present invention is according to each substance as defined in formula
Amount, first ethylene glycol and water are added in reaction kettle, sequentially add aliphatic carboxylic acid or its alkali metal salt, triazole type after mixing evenly
Compound, imidazoles, alcohol ether phosphate stir half an hour to homogeneous transparent, add PH regulator and defoaming agent is stirred to complete
Dissolution obtains full stress-strain h type engine h coolant liquid of the invention.
Full stress-strain h type engine h coolant liquid disclosed by the invention, by selected organic aliphatic acid, alcohol ether phosphate, imidazoles,
Triazole class compounds optimize combination, using the synergistic effect between each component, have reached following beneficial effect：
(1) full stress-strain type coolant liquid of the invention is to the cast aluminium of engine-cooling system, cast iron, steel, solder, brass, purple
Copper all has good corrosion mitigating effect.
(2) full stress-strain type coolant liquid of the invention is free of nitrite, borate, nitrate, silicate and amine chemical combination
Object, it is good to polymetallic antiseptic property, environmental pollution is small, solve inorganic type and half organic type coolant inhibitor agent toxicity
Big problem.
(3) the low-carbon alcohols alcohol ether phosphate that full stress-strain type coolant liquid of the invention introduces, can be complexed Fe2+, Ca2+Plasma,
Positively charged complex compound is formed, which forms precipitating protective film in the cathodic region of metal.Have simultaneously to anti-icing fluid pH value
Buffer function.Than general higher alcohols alcohol ether phosphate good water solubility, foam is low, to aluminium alloy had good sustained release effect.It improves cold
But liquid is to the resistance to corrosion of aluminium and its alloy, and enables aluminum alloy to non-discolouring nigrescence.
(4) full stress-strain type coolant liquid of the invention introduces imidazoles, and imidazoles is in molecular structure containing there are two meta position nitrogen-atoms
Five-membered heteroaromatic compounds, structure make imidazoles have faintly acid, can be with highly basic forming salt；There is alkalescent again, it is steady to acid
It is fixed, there is inoxidizability.In addition, 3 nitrogen-atoms of imidazoles have coordination to metal ion, chelate can be formed.Therefore imidazoles is not
Only there is inhibiting effect to corrosion of metal each in engine, and have buffer function to pH, improves the deposit of engine coolant
Basicity improves the stability of formula,
(5) present invention introduces imidazoles be used in compounding with low-carbon alcohol ether phosphate, have apparent synergistic effect, be superior to
Effect when the two is used alone.The corrosion inhibition of imidazoles be due to its metal surface formed adsorbed film and generate as a result,
Alcohol ether phosphate is then to form precipitation membrane in metal surface and make it have corrosion inhibition, and the two, which is used in conjunction with, both can be enhanced guarantor
Shield film strength can keep the integrality of film to the maximum extent again, can inhibit corrosion caused by cathode and anode reaction simultaneously, thus
Corrosion mitigating effect is more preferable, can reinforce technical effect of the invention.
Compared with prior art, full stress-strain h type engine h coolant liquid of the invention solves cast aluminium nigrescence, cavitation corrosion etc.
Problem improves deposit stability and resistance to hard water, substantially increases the service life of coolant liquid.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment 1
Each raw material component and its mass fraction are：Ethylene glycol 86%, neodecanoic acid 1.2%, decanedioic acid 1.5%, methylbenzene
Parallel triazole 0.5%, triethylene glycol butyl ether phosphoesterase 30 .6%, triethylene glycol monomethyl ether phosphoesterase 30 .2%, imidazoles 0.8%,
Polyethers defoaming agent 0.05%, potassium hydroxide adjust pH value 8, and surplus is deionized water, heating stirring to homogeneous transparent, then mistake
Filter obtains coolant liquid of the invention.
Embodiment 2
Each raw material component and its mass fraction are：Ethylene glycol 78%, sad 1.8%, isononanoic acid 0.5%, suberic acid
0.5%, dodecanedioic acid 1.5%, benzotriazole 0.8%, diethylene glycol monobutyl ether phosphoesterase 30 .9%, imidazoles 1.4% gather
Ethers defoaming agent 0.1%, potassium hydroxide adjust pH value 8, and surplus is deionized water, then heating stirring to homogeneous transparent filters
Obtain coolant liquid of the invention.
Embodiment 3
Each raw material component and its mass fraction are：Ethylene glycol 93%, n-nonanoic acid 0.5%, capric acid 1.3%, suberic acid
0.4%, benzotriazole 0.1%, methylbenzotriazole 0.2%, triethylene glycol butyl ether phosphoesterase 30 .05%, diethylene glycol
Monomethyl ether phosphoesterase 30 .02%, imidazoles 0.3%, polyethers defoaming agent 0.2%, potassium hydroxide adjust pH value 8, and surplus is deionization
Water, heating stirring to homogeneous transparent, then filtering obtains coolant liquid of the invention.
Embodiment 4
Each raw material component and its mass fraction are：Ethylene glycol 30%, sad 1.7%, neodecanoic acid 3.1%, decanedioic acid
2.4%, dodecanedioic acid 2.8%, methylbenzotriazole 0.8%, triethylene glycol butyl ether phosphoesterase 30 .6%, triethylene glycol
Monomethyl ether phosphoesterase 30 .2%, imidazoles 0.01%, potassium hydroxide adjust pH value 7.5, and surplus is deionized water, and heating stirring is to equal
Even transparent, then filtering obtains coolant liquid of the invention.
Embodiment 5
Each raw material component and its mass fraction are：Ethylene glycol 40%, sad 1.7%, neodecanoic acid 3.1%, decanedioic acid
2.4%, dodecanedioic acid 2.8%, methylbenzotriazole 0.8%, diethylene glycol monobutyl ether phosphoesterase 30 .9%, imidazoles 2%,
Type siloxane defoaming agent 0.15%, potassium hydroxide adjust pH value 7.5, and surplus is deionized water, heating stirring to homogeneous transparent, so
Filtering obtains coolant liquid of the invention afterwards.
Embodiment 6
Each raw material component and its mass fraction are：Ethylene glycol 50%, neodecanoic acid 1.2%, decanedioic acid 1.5%, benzene a pair of horses going side by side three
Nitrogen azoles 0.003%, methylbenzotriazole 0.007%, diethylene glycol monomethyl ether phosphoesterase 30 .02%, triethylene glycol butyl ether phosphorus
Acid esters 0.05%, imidazoles 0.1%, polyethers defoaming agent 0.3%, potassium hydroxide adjust pH value 7.5, and surplus is deionized water, is added
Thermal agitation is to homogeneous transparent, and then filtering obtains coolant liquid of the invention.
Embodiment 7
Each raw material component and its mass fraction are：Ethylene glycol 60%, sad 1.8%, isononanoic acid 0.5%, suberic acid
0.5%, dodecanedioic acid 1.5%, benzotriazole 0.4%, methylbenzotriazole 0.6%, diethylene glycol monomethyl ether phosphoric acid
Ester 0.02%, triethylene glycol butyl ether phosphoesterase 30 .05%, imidazoles 0.3%, polyethers defoaming agent 0.001%, potassium hydroxide tune
PH value 9 is saved, surplus is deionized water, and heating stirring to homogeneous transparent, then filtering obtains coolant liquid of the invention.
Embodiment 8
Each raw material component and its mass fraction are：Ethylene glycol 70%, n-nonanoic acid 0.5%, capric acid 1.3%, suberic acid
0.4%, methylbenzotriazole 0.5%, diethylene glycol monomethyl ether phosphoesterase 30 .005%, triethylene glycol butyl ether phosphate
0.005%, imidazoles 0.6%, polyethers defoaming agent 0.005%, potassium hydroxide adjust pH value 9, and surplus is deionized water, and heating is stirred
It mixes to homogeneous transparent, then filtering obtains coolant liquid of the invention.
Embodiment 9
Each raw material component and its mass fraction are：Ethylene glycol 97%, n-nonanoic acid 0.12%, capric acid 0.03%, ethanedioic acid
0.04%, decanedioic acid 0.01%, benzotriazole 0.1%, methylbenzotriazole 0.2%, triethylene glycol butyl ether phosphate
0.5%, triethylene glycol monomethyl ether phosphoesterase 30 .7%, imidazoles 1%, type siloxane defoaming agent 0.005%, potassium hydroxide adjust pH
Value 9, surplus are deionized water, and heating stirring to homogeneous transparent, then filtering obtains coolant liquid of the invention.
To the embodiment of the present invention according to national newest standards《GB 29743-2013 motor car engine coolant liquid》It is required that inspection
It tests, the physical and chemical indexes such as density, boiling point, freezing point, pH value of coolant liquid of the invention comply fully with standard requirements.And in order to prove
Engine coolant of the invention is to the corrosion-resisting function of each metal of engine, by coolant liquid of the invention and certain domestic full stress-strain
Coolant liquid has carried out contrast test, test knot using burn into cast aluminium heat transfer corrosion etc. by glassware corrosion test, simulation
Fruit is shown in Table 1.
1 property data of table and comparative experimental data
The coolant liquid of the technology of the present invention configuration has the red copper of engine-cooling system, brass, steel, cast iron, scolding tin, cast aluminium
There is the excellent effect of corrosion inhibition, test piece weightlessness is far below standard requirements.Especially low-carbon alcohols alcohol ether phosphate is compounded with imidazoles
Afterwards, in comparison with common full stress-strain coolant liquid in the market, full stress-strain coolant liquid of the invention, which strengthens, prevents aluminium alloy
Corruption effect, the non-discolouring nigrescence of cast aluminium, and cast aluminium alloy heat transfer corrosion and aluminium pump cavitation corrosion test result are preferable.Further, originally
The coolant liquid of invention configuration has buffer function to pH value, is conducive to that pH is kept to stablize, and reserve alkalinity is more cooling than certain domestic full stress-strain
Liquid is high, improves the service life of coolant liquid.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of full stress-strain h type engine h coolant liquid, which is characterized in that the raw material of the engine coolant include following components and
Weight percentage：
2. a kind of full stress-strain h type engine h coolant liquid according to claim 1, which is characterized in that the alcohol ether phosphate
For low-carbon alcohols alcohol ether phosphate, it is selected from diethylene glycol monobutyl ether phosphate, diethylene glycol monomethyl ether phosphate, triethylene glycol monobutyl
The mixture of one or more of ether phosphate or triethylene glycol monomethyl ether phosphate.
3. a kind of full stress-strain h type engine h coolant liquid according to claim 2, which is characterized in that the alcohol ether phosphate
Mixture including one or more of phosphate monoester, phosphate diester.
4. any a kind of full stress-strain h type engine h coolant liquid according to claim 1~3, which is characterized in that the alcohol
Ether phosphate is selected from the mixing of one of diethylene glycol monobutyl ether phosphate monoester, diethylene glycol monobutyl ether phosphate diester or both
Object.
5. a kind of full stress-strain h type engine h coolant liquid according to claim 1, which is characterized in that the aliphatic carboxylic acid or
Its alkali metal salt is selected from one or more of unitary aliphatic carboxylic acid or its alkali metal salt, di-fatty carboxylic acid or its alkali metal salt
Mixture.
6. a kind of full stress-strain h type engine h coolant liquid according to claim 5, which is characterized in that the monoacid fat
Carboxylic acid or its alkali metal salt are selected from one or more of octanoic acid, n-nonanoic acid, isononanoic acid, capric acid or neodecanoic acid mixture or its correspondence
Alkali metal salt；The binary acid aliphatic carboxylic acid or its alkali metal salt is selected from ethanedioic acid, suberic acid, decanedioic acid or dodecane two
One or more of acid mixture or its corresponding alkali metal salt.
7. a kind of full stress-strain h type engine h coolant liquid according to claim 5 or 6, which is characterized in that the fatty carboxylic
The alkali metal salt of acid prepares the mixture that alkali used in raw material includes one or both of potassium hydroxide or sodium hydroxide.
8. a kind of full stress-strain h type engine h coolant liquid according to claim 1, which is characterized in that the triazole type chemical combination
Object is selected from the mixture of one of benzotriazole, methylbenzotriazole or both.
9. a kind of full stress-strain h type engine h coolant liquid according to claim 1, which is characterized in that the imidazoles weight hundred
Score is preferably 0.1-1%.
10. a kind of full stress-strain h type engine h coolant liquid according to claim 1, which is characterized in that the defoaming agent is
One or two kinds of mixtures of organosiloxane, polyethers defoaming agent, preferably polyethers defoaming agent.
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| CN109652023A (en) * | 2018-12-29 | 2019-04-19 | 中国船舶重工集团公司第七八研究所 | A kind of solar energy heat conducting medium and preparation method |
| CN109705821A (en) * | 2019-01-15 | 2019-05-03 | 北京化工大学 | A kind of ethylene glycol-water base coolant liquid of the low conduction of low corrosion |
| CN109957381A (en) * | 2019-03-14 | 2019-07-02 | 一汽解放汽车有限公司 | A kind of Environment-friendlylong-life long-life engine coolant |
| CN111978932A (en) * | 2020-07-09 | 2020-11-24 | 纯牌科技股份有限公司 | Organic corrosion inhibition cooling liquid and preparation method thereof |
| CN112501619A (en) * | 2020-11-30 | 2021-03-16 | 东风汽车集团有限公司 | All-organic additive formula for light-load glycol type cooling liquid |
| CN112745808A (en) * | 2021-01-19 | 2021-05-04 | 广东石油化工学院 | Heat management system liquid and preparation method thereof |
| CN112940692A (en) * | 2021-01-25 | 2021-06-11 | 广东石油化工学院 | Thermal management system fluid composition |
| CN113151831A (en) * | 2021-04-21 | 2021-07-23 | 安徽三湖新材料科技有限公司 | Preparation method and application of organic carboxylic acid corrosion inhibition additive |
| JP7017612B1 (en) | 2020-08-13 | 2022-02-08 | トヨタ自動車株式会社 | Coolant composition |
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| CN111978932A (en) * | 2020-07-09 | 2020-11-24 | 纯牌科技股份有限公司 | Organic corrosion inhibition cooling liquid and preparation method thereof |
| CN111978932B (en) * | 2020-07-09 | 2022-02-01 | 纯牌科技股份有限公司 | Organic corrosion inhibition cooling liquid and preparation method thereof |
| JP7017612B1 (en) | 2020-08-13 | 2022-02-08 | トヨタ自動車株式会社 | Coolant composition |
| JP2022032640A (en) * | 2020-08-13 | 2022-02-25 | トヨタ自動車株式会社 | Coolant composition |
| CN112501619A (en) * | 2020-11-30 | 2021-03-16 | 东风汽车集团有限公司 | All-organic additive formula for light-load glycol type cooling liquid |
| CN112745808A (en) * | 2021-01-19 | 2021-05-04 | 广东石油化工学院 | Heat management system liquid and preparation method thereof |
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| CN113151831A (en) * | 2021-04-21 | 2021-07-23 | 安徽三湖新材料科技有限公司 | Preparation method and application of organic carboxylic acid corrosion inhibition additive |
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