CN102766442A - Reinforcing agent for engine cooling system and preparation method and application thereof - Google Patents
Reinforcing agent for engine cooling system and preparation method and application thereof Download PDFInfo
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- CN102766442A CN102766442A CN2012102802915A CN201210280291A CN102766442A CN 102766442 A CN102766442 A CN 102766442A CN 2012102802915 A CN2012102802915 A CN 2012102802915A CN 201210280291 A CN201210280291 A CN 201210280291A CN 102766442 A CN102766442 A CN 102766442A
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Abstract
The invention discloses a reinforcing agent for an engine cooling system, which comprises the following raw materials by weight: 600-1200 parts of 1,3-propanediol, 800-1400 parts of de-ionized water, 50-100 parts of propylene-glycol ether substance, 100-400 parts of tungstate, 10-100 parts of azole compound, 100-400 parts of mannitol, 10-100 parts of aliphatic single acid, 10-50 parts of sodium hydroxide, and 1-3 parts of defoaming agent. The invention also provides a preparation method and an application of the reinforcing agent. The reinforcing agent has the following beneficial effects: the reinforcing agent for the engine cooling system disclosed by the invention can inhibit the corrosion of soldering tin, aluminum parts and various nonferrous metals for a long time well on a metal surface of the engine cooling system; furthermore, the nonferrous metals can be protected for a long period under low dose; and the reinforcing agent has the advantages and effects of low toxicity, no harm to humans, safety and good stability.
Description
Technical field
The present invention relates to the engine-cooling system strengthening agent.
Background technology
Modern engine cooling system working temperature is the highest up to more than 120 ℃; Quench liquid constantly consumption of additive in use as the cooling system heat-transfer medium; Concentration constantly reduces; As the continuous oxidation acidifying of the glycol that falls the freezing point agent, thereby quicken to cause corrosion and fouling, the common way that adopts of user vehicle is exactly the works better that keeps cooling system with the mode that change every year at present.The quench liquid that changes generally is directly to be discharged in the Nature, wherein also has only about half of terepthaloyl moietie also to waste simultaneously, and the terepthaloyl moietie of the annual therefore loss of China is greatly about more than 200,000 tons.Southern area in China, because weather is comparatively warm throughout the year, motor vehicle driver gets used to using tap water as quench liquid, the heavy corrosion that thus engine-cooling system is caused is self-evident.
Seeing that above situation through in engine-cooling system, adding strengthening agent, prolongs in the work-ing life with quench liquid greatly, reduce corrosion because of the aging cooling system that causes of quench liquid, reduce the terepthaloyl moietie discharging and the environmental pollution and the waste of appearance.Adding becomes tap water and has the quench liquid of excellent corrosion inhibition with in the cooling system of tap water as quench liquid, has not only protected cooling system not corroded the operation and maintenance expense that also greatly reduces the human consumer simultaneously.
Strengthening agent is to comprise inhibiter, buffer reagent, Scale inhibitors; Skimmer, multiple functional agents such as sterilant and dispersion agent are at interior highly concentrated liquid product, and this product has highly enriched property; Characteristics such as high storage stability and high-performance; This just requires to contain functional agent as much as possible in the unit volume liquid, has the high reserve alkalinity of trying one's best, even if like this through still having preferable performance after the vast scale dilution.Engine-cooling system strengthening agent in the market is not owing to have the advantage of highly enriched property and high storage stability, and corrosion inhibition is difficult to satisfy standard-required after the vast scale dilution.
Summary of the invention
The object of the invention is exactly to above-mentioned defective of the prior art, provides to have highly enriched property, the engine-cooling system strengthening agent of characteristics such as high storage stability and high-performance.
To achieve these goals, technical scheme provided by the invention is:
The engine-cooling system strengthening agent comprises following materials of weight proportions:
1,3 Ucar 35 600-1200 part,
Deionized water 800-1400 part,
Ucar 35 ethers material 50-100 part,
Tungstate 100-400 part,
Azole compounds 10-100 part,
N.F,USP MANNITOL 100-400 part,
The single sour 10-100 part of aliphatics,
Sodium hydroxide 10-50 part,
Skimmer 1-3 part.
Further, said engine-cooling system strengthening agent comprises following materials of weight proportions:
600-1200 parts of 1,3 Ucar 35,
800-1400 parts of deionized waters,
50-90 parts of Ucar 35 ethers materials,
150-300 parts of tungstate,
30-80 parts of azole compounds,
150-300 parts in N.F,USP MANNITOL,
30-80 parts of the single acid of aliphatics,
15-40 parts in sodium hydroxide,
1-2 parts of skimmers.
Further, said engine-cooling system strengthening agent comprises following materials of weight proportions:
600-1200 parts of 1,3 Ucar 35,
800-1400 parts of deionized waters,
Ucar 35 ethers material 60-80 part,
200 parts of tungstate,
Azole compounds 40-60 part,
200 parts in N.F,USP MANNITOL,
The single sour 40-70 part of aliphatics,
30 parts in sodium hydroxide,
2 parts of skimmers.
Further, said engine-cooling system strengthening agent, wherein,
Said Ucar 35 ethers material is one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Said tungstate is one or more a mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Said azole compounds is benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of said aliphatics is one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Said skimmer is one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
Another object of the present invention has provided the preparation method of above-mentioned engine-cooling system strengthening agent, may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add simultaneously and mix stirring according to formula ratio, treat that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, the deionized water of sodium wolframate and proportional quantity 80% is added to step 2 after mixing stirring heating according to formula ratio fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 12-13 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent.
Further, the preparation method of above-mentioned engine-cooling system strengthening agent, in the said step 1), stirring velocity is 600-1000rpm/min; Said step 2) in, stirring velocity is 600-1000rpm/min; In the said step 3), stirring velocity is 600-1000rpm/min; In the said step 5), stirring velocity is 600-1000rpm/min.
Further, the preparation method of above-mentioned engine-cooling system strengthening agent, in the said step 3), Heating temperature is 40-70 ℃.
Further, the preparation method of above-mentioned engine-cooling system strengthening agent, in the said step 3), Heating temperature is 60 ℃.
The 3rd purpose of the present invention provided the application of engine-cooling system strengthening agent, and the method for use of said engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
Beneficial effect of the present invention is: the raw material that engine-cooling system strengthening agent provided by the invention is adopted is with 1; 3 Ucar 35 are that base-material and multiple inhibiter are formed, wherein: tungstate, azole compounds, the single acid of aliphatics composite can be in the engine-cooling system metallic surface corrosion of long-time good restraining scolding tin, aluminium parts and various non-ferrous metals; Tungstate has good shock-absorbing capacity; 1,3 Ucar 35 has the corrosion inhibition of better scolding tin, aluminium parts, is to have the anti-antifreeze base fluid that boils; Also be inhibiter simultaneously; And toxicity will be far smaller than terepthaloyl moietie, and Ucar 35 ethers material and N.F,USP MANNITOL have tungstate, azole compounds, the single acid of aliphatics extremely strong solubilising in water and 1,3 Ucar 35; Make the functional agent that will contain in the unit volume liquid as much as possible, and keep stable for a long time.Can carry out macrocyclic protection to various non-ferrous metals owing to take technique scheme that compared with present technology technology of the present invention is had under the low dosage, it is little that it has toxicity, and the people is not had injury, safety, the advantage of good stability and effect.
Embodiment
Embodiment 1:
The engine-cooling system strengthening agent comprises following materials of weight proportions: 600 parts of 1,3 Ucar 35,800 parts of deionized waters; 50 parts of Ucar 35 ethers materials, 100 parts of tungstate, 10 parts of azole compounds, 100 parts in N.F,USP MANNITOL; 10 parts of the single acid of aliphatics, 10 parts in sodium hydroxide, 1 part of skimmer.
In the above-mentioned engine-cooling system strengthening agent, Ucar 35 ethers material can be one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Tungstate can be one or more mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Azole compounds can be benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of aliphatics can be one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Skimmer can be one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
The preparation method of engine-cooling system strengthening agent may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add and mix stirring simultaneously according to formula ratio, stirring velocity is 600rpm/min, treats that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and stirring velocity is 600rpm/min, treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, after the deionized water of sodium wolframate and proportional quantity 80% mixed stirring heating according to formula ratio, stirring velocity was 600rpm/min, is added to step 2 fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 12 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent, and stirring velocity is 600rpm/min.
The method of use of engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
Embodiment 2:
The engine-cooling system strengthening agent comprises following materials of weight proportions: 1200 parts of 1,3 Ucar 35,1400 parts of deionized waters; 100 parts of Ucar 35 ethers materials, 400 parts of tungstate, 100 parts of azole compounds, 400 parts in N.F,USP MANNITOL; 100 parts of the single acid of aliphatics, 50 parts in sodium hydroxide, 2 parts of skimmers.
In the above-mentioned engine-cooling system strengthening agent, Ucar 35 ethers material can be one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Tungstate can be one or more mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Azole compounds can be benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of aliphatics can be one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Skimmer can be one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
The preparation method of engine-cooling system strengthening agent may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add and mix stirring simultaneously according to formula ratio, stirring velocity is 1000rpm/min, treats that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and stirring velocity is 1000rpm/min, treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, after the deionized water of sodium wolframate and proportional quantity 80% mixed stirring heating according to formula ratio, stirring velocity was 1000rpm/min, is added to step 2 fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 13 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent, and stirring velocity is 1000rpm/min.
The method of use of engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
Embodiment 3:
The engine-cooling system strengthening agent comprises following materials of weight proportions: 900 parts of 1,3 Ucar 35,1100 parts of deionized waters; 60 parts of Ucar 35 ethers materials, 150 parts of tungstate, 30 parts of azole compounds, 150 parts in N.F,USP MANNITOL; 30 parts of the single acid of aliphatics, 15 parts in sodium hydroxide, 3 parts of skimmers.
In the above-mentioned engine-cooling system strengthening agent, Ucar 35 ethers material can be one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Tungstate can be one or more mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Azole compounds can be benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of aliphatics can be one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Skimmer can be one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
The preparation method of engine-cooling system strengthening agent may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add and mix stirring simultaneously according to formula ratio, stirring velocity is 800rpm/min, treats that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and stirring velocity is 800rpm/min, treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, after the deionized water of sodium wolframate and proportional quantity 80% mixed stirring heating according to formula ratio, stirring velocity was 800rpm/min, is added to step 2 fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 12 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent, and stirring velocity is 800rpm/min.
The method of use of engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
Embodiment 4:
The engine-cooling system strengthening agent comprises following materials of weight proportions: 1200 parts of 1,3 Ucar 35,800 parts of deionized waters; 90 parts of Ucar 35 ethers materials, 300 parts of tungstate, 80 parts of azole compounds, 300 parts in N.F,USP MANNITOL; 80 parts of the single acid of aliphatics, 40 parts in sodium hydroxide, 1 part of skimmer.
In the above-mentioned engine-cooling system strengthening agent, Ucar 35 ethers material can be one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Tungstate can be one or more mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Azole compounds can be benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of aliphatics can be one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Skimmer can be one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
The preparation method of engine-cooling system strengthening agent may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add and mix stirring simultaneously according to formula ratio, stirring velocity is 600rpm/min, treats that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and stirring velocity is 600rpm/min, treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, after the deionized water of sodium wolframate and proportional quantity 80% mixed stirring heating according to formula ratio, stirring velocity was 600rpm/min, is added to step 2 fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 13 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent, and stirring velocity is 600rpm/min.
The method of use of engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
Embodiment 5:
The engine-cooling system strengthening agent comprises following materials of weight proportions: 600 parts of 1,3 Ucar 35,1400 parts of deionized waters; 60 parts of Ucar 35 ethers materials, 200 parts of tungstate, 40 parts of azole compounds, 200 parts in N.F,USP MANNITOL; 40 parts of the single acid of aliphatics, 30 parts in sodium hydroxide, 2 parts of skimmers.
In the above-mentioned engine-cooling system strengthening agent, Ucar 35 ethers material can be one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Tungstate can be one or more mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Azole compounds can be benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of aliphatics can be one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Skimmer can be one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
The preparation method of engine-cooling system strengthening agent may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add and mix stirring simultaneously according to formula ratio, stirring velocity is 1000rpm/min, treats that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and stirring velocity is 1000rpm/min, treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, after the deionized water of sodium wolframate and proportional quantity 80% mixed stirring heating according to formula ratio, stirring velocity was 1000rpm/min, is added to step 2 fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 12 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent, and stirring velocity is 1000rpm/min.
The method of use of engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
Embodiment 6:
The engine-cooling system strengthening agent comprises following materials of weight proportions: 900 parts of 1,3 Ucar 35,1100 parts of deionized waters; 80 parts of Ucar 35 ethers materials, 200 parts of tungstate, 60 parts of azole compounds, 200 parts in N.F,USP MANNITOL; 70 parts of the single acid of aliphatics, 30 parts in sodium hydroxide, 3 parts of skimmers.
In the above-mentioned engine-cooling system strengthening agent, Ucar 35 ethers material can be one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Tungstate can be one or more mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Azole compounds can be benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of aliphatics can be one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Skimmer can be one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
The preparation method of engine-cooling system strengthening agent may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add and mix stirring simultaneously according to formula ratio, stirring velocity is 800rpm/min, treats that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and stirring velocity is 800rpm/min, treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, after the deionized water of sodium wolframate and proportional quantity 80% mixed stirring heating according to formula ratio, stirring velocity was 800rpm/min, is added to step 2 fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 13 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent, and stirring velocity is 800rpm/min.
The method of use of engine-cooling system strengthening agent does, 2% add-on is added in the tap water and uses by weight percentage, and carried out glass corrosion experiment, cast aluminium corrosion test and high low temperature stable form test, and test-results is as shown in table 1.
Table 1
Can find out by table 1: glass corrosion test and cast aluminium corrosion test that engine-cooling system strengthening agent of the present invention carries out to add dosage 2%; The result is higher than SH/T0085 and SH/T0620 standard-required far away; Therefore can explain product of the present invention have under the low dosage to the high corrosion inhibition rate of various non-ferrous metals; And under high/low temperature condition, have good stability, further prove its safety and advance.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the engine-cooling system strengthening agent is characterized in that, comprises following materials of weight proportions:
1,3 Ucar 35 600-1200 part,
Deionized water 800-1400 part,
Ucar 35 ethers material 50-100 part,
Tungstate 100-400 part,
Azole compounds 10-100 part,
N.F,USP MANNITOL 100-400 part,
The single sour 10-100 part of aliphatics,
Sodium hydroxide 10-50 part,
Skimmer 1-3 part.
2. engine-cooling system strengthening agent according to claim 1 is characterized in that, comprises following materials of weight proportions:
600-1200 parts of 1,3 Ucar 35,
800-1400 parts of deionized waters,
50-90 parts of Ucar 35 ethers materials,
150-300 parts of tungstate,
30-80 parts of azole compounds,
150-300 parts in N.F,USP MANNITOL,
30-80 parts of the single acid of aliphatics,
15-40 parts in sodium hydroxide,
1-2 parts of skimmers.
3. engine-cooling system strengthening agent according to claim 2 is characterized in that, comprises following materials of weight proportions:
600-1200 parts of 1,3 Ucar 35,
800-1400 parts of deionized waters,
Ucar 35 ethers material 60-80 part,
200 parts of tungstate,
Azole compounds 40-60 part,
200 parts in N.F,USP MANNITOL,
The single sour 40-70 part of aliphatics,
30 parts in sodium hydroxide,
2 parts of skimmers.
4. according to the described engine-cooling system strengthening agent of claim 1-3, it is characterized in that,
Said Ucar 35 ethers material is one or more the mixture in propylene glycol monomethyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, Ucar 35 butyl ether and the Ucar 35 phenylate;
Said tungstate is one or more a mixture in ammonium metawolframate, ammonium paratungstate, sodium wolframate, potassium wolframate, lithium tungstate, Lin Wusuanyan and the tungsten heteropolyacid salt;
Said azole compounds is benzotriazole, toluene a pair of horses going side by side triazole, 2-mercapto benzothiazole sodium, aphthotriazoles, 1-phenyl-5-mercapto tetrazole, 1-hydroxy benzo triazole and 2; 5-sulfydryl-1; 3, the mixture of one or more in the amino tetrazole of 4-thiadiazoles 5-;
The single acid of said aliphatics is one or more the mixture in caproic acid, 2 Ethylbutanoic acid, enanthic acid, isocaprylic acid, n-nonanoic acid, different n-nonanoic acid, capric acid, neodecanoic acid and the LAURIC ACID 99 MIN;
Said skimmer is one or both the mixture in polyether type defoamer and the organosilicon type skimmer.
5. the preparation method of engine-cooling system strengthening agent according to claim 4 is characterized in that, may further comprise the steps:
1) with the deionized water and the sodium hydroxide of azole compounds, proportional quantity 20%, add simultaneously and mix stirring according to formula ratio, treat that material dissolves fully to make preparation liquid one;
2) with the single acid of aliphatics, N.F,USP MANNITOL and 1,3 Ucar 35 add in the preparation liquid one that step 1) obtains according to formula ratio and continue to stir, and treat that material dissolves fully to make preparation liquid two;
3) with Ucar 35 ethers material, the deionized water of sodium wolframate and proportional quantity 80% is added to step 2 after mixing stirring heating according to formula ratio fast) in the preparation liquid two that obtains, obtain mixing solutions;
4) it is 12-13 that the mixing solutions that step 3) is obtained is regulated pH with sodium hydroxide, obtains the work in-process strengthening agent;
5) add skimmer according to formula ratio in the work in-process strengthening agent that step 4) is obtained, stirring obtains the engine-cooling system strengthening agent.
6. the preparation method of engine-cooling system strengthening agent according to claim 5 is characterized in that, in the said step 1), stirring velocity is 600-1000rpm/min; Said step 2) in, stirring velocity is 600-1000rpm/min; In the said step 3), stirring velocity is 600-1000rpm/min; In the said step 5), stirring velocity is 600-1000rpm/min.
7. the preparation method of engine-cooling system strengthening agent according to claim 6 is characterized in that, in the said step 3), Heating temperature is 40-70 ℃.
8. the preparation method of engine-cooling system strengthening agent according to claim 7 is characterized in that, in the said step 3), Heating temperature is 60 ℃.
9. the application of engine-cooling system strengthening agent according to claim 4 is characterized in that, the method for use of said engine-cooling system strengthening agent is that 2% add-on is added in the tap water and uses by weight percentage.
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| CN103666400A (en) * | 2013-11-22 | 2014-03-26 | 广西大学 | Fully formulated coolant for heavy-duty engine |
| CN105001838A (en) * | 2015-08-20 | 2015-10-28 | 上海德联化工有限公司 | Antifreeze fluid for engine |
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| CN106833552A (en) * | 2016-12-29 | 2017-06-13 | 芜湖乐普汽车科技有限公司 | The preparation method of engine fluid |
| CN108913103A (en) * | 2018-08-10 | 2018-11-30 | 青岛天乾科技有限公司 | A kind of formula and preparation method thereof of computer water cooling liquid |
| CN113563853A (en) * | 2021-07-26 | 2021-10-29 | 中国石油化工股份有限公司 | Environment-friendly cooling liquid composition and application thereof |
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