CN112724940A - New energy antifreeze fluid and preparation method thereof - Google Patents
New energy antifreeze fluid and preparation method thereof Download PDFInfo
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- CN112724940A CN112724940A CN202110087735.2A CN202110087735A CN112724940A CN 112724940 A CN112724940 A CN 112724940A CN 202110087735 A CN202110087735 A CN 202110087735A CN 112724940 A CN112724940 A CN 112724940A
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Abstract
The invention relates to the technical field of antifreeze, in particular to antifreeze for new energy and a preparation method thereof. The new energy antifreeze fluid comprises the following components in percentage by mass: 0.98-2.1% of isooctanoic acid, 0.12-0.35% of sebacic acid, 0.32-0.63% of sodium hydroxide, 0.08-0.21% of methylbenzotriazine, 0.08-0.21% of organosilicon compound, 35-60% of ethylene glycol, 0.003-0.005% of coloring agent, 0.003-0.005% of defoaming agent and 35-60% of deionized water. The new energy antifreeze fluid disclosed by the invention has the advantages of low conductivity, strong heat dissipation and excellent corrosion resistance, and has a good protection effect on parts (batteries, motors and the like) of new energy vehicles.
Description
Technical Field
The invention relates to the technical field of antifreeze, in particular to antifreeze for new energy and a preparation method thereof.
Background
With the continuous development of the automobile industry and market innovation, the use of new energy automobiles is more and more popular. The new energy automobile and the fuel oil automobile are the same and need maintenance, but the new energy automobile and the fuel oil automobile have differences in use of parts. The fuel vehicle uses the antifreeze to cool the engine, so that normal driving of the vehicle in winter can be guaranteed, and the vehicle cannot be boiled in summer, but different from the fuel vehicle, the antifreeze of new energy resources cools the motor and the battery, so the requirement on the antifreeze is different according to different adaptive parts, and the all-organic environment-friendly antifreeze with long service life plays an extremely important role in the application technology of the antifreeze in recent years.
In recent years, the formula technology of silicate-containing antifreeze fluid is more and more concerned, the antifreeze fluid has good protection effect on aluminum materials, and is widely applied to antifreeze fluid for vehicles at present. However, silicate belongs to an alcohol solution, and the antifreeze solution has a gelation problem due to the lapse of time, so the gelation problem is solved by adopting a silicate and silicate stabilizing agent technology in the conventional antifreeze solution formula, but the method increases the cost, has a complex production process and is easy to generate defective products. In the prior art, silicate-containing anti-freezing solutions mainly comprise the following three types:
(1) inorganic salt antifreezing solution: by adopting the compounding formula technology of inorganic salt additives such as borate, phosphate, ammonium salt, silicate and the like, the antifreeze is widely applied due to low cost, but also has the problems of short service life, easy precipitation and adhesion of the additives on the surfaces of parts, reduced heat dissipation function and the like;
(2) inorganic salt and organic carboxylate mixed antifreezing solution: by adopting a silicate, nitrate and organic carboxylate additive compound formula, the antifreeze fluid has the advantages that the additive addition amount is increased, precipitates are easy to separate out, and the heat dissipation function of the surface of a part is reduced;
(3) full organic carboxylate antifreezing solution: by adopting a compound formula of all organic additives, the antifreezing solution has small dosage and excellent protection effect on parts.
Disclosure of Invention
In view of the above, the invention provides a new energy antifreeze and a preparation method thereof.
The invention provides a new energy antifreeze fluid which comprises the following components in percentage by mass: 0.98-2.1% of isooctanoic acid, 0.12-0.35% of sebacic acid, 0.32-0.63% of sodium hydroxide, 0.08-0.21% of methylbenzotriazine, 0.08-0.21% of organosilicon compound, 35-60% of ethylene glycol, 0.003-0.005% of coloring agent, 0.003-0.005% of defoaming agent and 35-60% of deionized water.
Further, the organic silicon compound is TS-1 organic silicon, and the molecular formula is as follows:
the preparation method of the anti-freezing solution for the new energy mainly comprises the following steps: the method comprises the following steps of mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organic silicon compound, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and stirring until the mixture is completely dissolved to obtain the antifreezing solution.
Further, the stirring temperature is 30-80 ℃, and the stirring time is 30-40 min.
The preparation method of the anti-freezing solution for the new energy mainly comprises the following steps:
s1, mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organosilicon compound and deionized water in proportion to obtain the complexing agent, wherein the components are prepared according to the following mass fractions: 24.5-30% of isooctanoic acid, 3.0-5.0% of sebacic acid, 8.0-9.0% of sodium hydroxide, 2.0-3.0% of methylbenzotriazine, 2.0-3.0% of an organosilicon compound and 55-60% of deionized water;
s2, mixing the complexing agent, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and uniformly stirring to obtain the antifreezing solution; the composition is prepared from the following components in parts by mass: 4-7% of complexing agent, 35-60% of ethylene glycol, 35-60% of deionized water, 0.003-0.005% of coloring agent and 0.003-0.005% of defoaming agent.
Further, the stirring temperature in S1 is 30-50 ℃, and the stirring time is 30-40 min.
The technical scheme provided by the invention has the beneficial effects that: (1) the new energy antifreeze fluid disclosed by the invention has the advantages of low conductivity, strong heat dissipation and excellent corrosion resistance, and has a good protection effect on parts (batteries, motors and the like) of new energy vehicles;
(2) the new-energy antifreeze fluid solves the problem of gelation in the prior art, and also has the advantages of low production cost and the like;
(3) the invention provides two preparation methods, which have simple process steps, break through the traditional production process and belong to cold processing processes; in addition, the invention can realize the separate preparation, packaging and transportation of the complexing agent and other materials, and the antifreeze solution is prepared on site after the complexing agent and other materials are transported to the site, thereby not only facilitating the transportation and storage of the materials, but also achieving the purposes of reducing the transportation cost of the antifreeze solution and saving energy consumption.
Drawings
FIG. 1 is a graph of density versus temperature of the antifreeze solution according to the new energy source;
FIG. 2 is a graph of the thermal conductivity of the antifreeze solution according to the new energy source in relation to the temperature;
FIG. 3 is a graph of the specific heat capacity of the antifreeze solution with new energy resources in relation to temperature;
FIG. 4 is a graph of viscosity versus temperature for the new energy antifreeze of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
The embodiment of the invention provides a new energy antifreeze fluid which comprises the following components in percentage by mass: 0.98-2.1% of isooctanoic acid, 0.12-0.35% of sebacic acid, 0.32-0.63% of sodium hydroxide, 0.08-0.21% of methylbenzotriazine, 0.08-0.21% of organosilicon compound, 35-60% of ethylene glycol, 0.003-0.005% of coloring agent, 0.003-0.005% of defoaming agent and 35-60% of deionized water.
In the present invention, the organosilicon compound is TS-1 organosilicon, and its molecular formula is:
a preparation method of a new energy antifreeze mainly comprises the following steps:
mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organic silicon compound, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and stirring until the mixture is completely dissolved to obtain a mixed solution; the composition is prepared from the following components in parts by mass: 0.98-2.1% of isooctanoic acid, 0.12-0.35% of sebacic acid, 0.32-0.63% of sodium hydroxide, 0.08-0.21% of methylbenzotriazine, 0.08-0.21% of organosilicon compounds, 35-60% of ethylene glycol, 0.003-0.005% of coloring agents, 0.003-0.005% of defoaming agents and 35-60% of deionized water, and the raw materials are put into a reaction kettle and stirred until the materials are completely dissolved, wherein the stirring temperature is 30-80 ℃, the stirring time is 30-40 min, a mixed solution is obtained after stirring is completed, the mixed solution is naturally cooled to below 50 ℃, and then pH value measurement and filtration treatment are sequentially carried out, so that the antifreezing solution can be obtained, and the pH value of the antifreezing solution is optimally 7.5-9.5, and the filtration purpose is to remove impurities in the mixed solution, so that the yield quality of the antifreezing solution is improved.
In addition, as another embodiment of the preparation of the antifreeze of the present invention, a method for preparing antifreeze of new energy resources mainly comprises the following steps:
s1, mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organosilicon compound and deionized water in proportion to obtain the complexing agent, wherein the components are prepared according to the following mass fractions: 24.5-30% of isooctanoic acid, 3.0-5.0% of sebacic acid, 8.0-9.0% of sodium hydroxide, 2.0-3.0% of methylbenzotriazine, 2.0-3.0% of an organosilicon compound and 55-60% of deionized water, stirring the raw materials in a reaction kettle until the materials are completely dissolved, stirring at the temperature of 30-80 ℃ for 30-40 min, obtaining a complexing agent after stirring, and packaging the prepared complexing agent. Measuring the pH value of the complexing agent to be 9.0-10.5;
s2, mixing the complexing agent, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and uniformly stirring to obtain the antifreezing solution; the composition is prepared from the following components in parts by mass: 4-7% of complexing agent, 35-60% of ethylene glycol, 30.8-57.8% of deionized water, 0.003-0.005% of coloring agent and 0.003-0.005% of defoaming agent, and the raw materials are put into a reaction kettle and stirred until the materials are completely dissolved to obtain a second mixed solution, and the second mixed solution is subjected to pH value measurement and filtration treatment to obtain the antifreezing solution. The pH of the antifreeze solution prepared by the embodiment is 7.5-9.5, and the purpose of filtering is to remove impurities in the mixed solution and improve the yield quality of the antifreeze solution.
According to the preparation method, the complexing agent and other materials can be prepared, packaged and transported separately, and the antifreeze solution can be prepared on site after the complexing agent and other materials are transported to the site, so that the transportation and storage of the materials are facilitated, and the purposes of reducing the transportation cost of the antifreeze solution and saving energy consumption can be achieved.
< example 1>
Mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organic silicon compound, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and stirring until the mixture is completely dissolved to obtain an antifreezing solution; the composition is prepared from the following components in parts by mass: 1.8% of isooctanoic acid, 0.3% of sebacic acid, 0.5% of sodium hydroxide, 0.16% of methylbenzotriazine, 0.15% of an organic silicon compound, 51% of ethylene glycol, 0.003% of a coloring agent, 0.002% of a defoaming agent and 44% of deionized water, and the raw materials are put into a reaction kettle and stirred until the materials are completely dissolved, wherein the stirring temperature is 30-80 ℃, the stirring time is 30-40 min, after the stirring is finished, an antifreezing solution is obtained, the antifreezing solution is naturally cooled to below 50 ℃, and then the pH value measurement and the filtration treatment are sequentially carried out, wherein the pH value of the antifreezing solution prepared by the implementation is 8.3, and the freezing point is-35 ℃.
< example 2>
S1, mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organosilicon compound and deionized water in proportion to obtain the complexing agent, wherein the components are prepared according to the following mass fractions: 25.6% of isooctanoic acid, 4.5% of sebacic acid, 8.5% of sodium hydroxide, 3.0% of methylbenzotriazine, 3.0% of an organosilicon compound and 56% of deionized water, and the raw materials are put into a reaction kettle to be stirred until the materials are completely dissolved, the stirring temperature is 30-50 ℃, the stirring time is 30-40 min, after the stirring is finished, a complexing agent is obtained, the pH value is 10.2, and the prepared complexing agent is packaged.
S2, mixing the complexing agent, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and uniformly stirring to obtain the antifreezing solution; the composition is prepared from the following components in parts by mass: 6.2% of complexing agent, 51% of ethylene glycol, 43% of deionized water, 0.003% of coloring agent and 0.002% of defoaming agent, stirring the raw materials in a reaction kettle until the materials are completely dissolved to obtain a second mixed solution, and performing pH value measurement and filtration treatment on the second mixed solution to obtain the antifreeze, wherein the antifreeze obtained in the embodiment has a pH value of 8.3 and a freezing point of-35 ℃.
The antifreeze obtained in the embodiment 1 is subjected to a performance test, and the obtained results are as follows:
TABLE 1
Here, it should be noted that the standard for performing each test of the present invention is Q/CDF 001. In the above table, the inspection methods of SH/T0066, SH/T0068, SH/T0069, SH/T0085, SH/T0087, SH/T0088, SH/T0089, SH/T0090, SH/T0091 and SH/T0620 are all the prior art.
As can be seen from Table 1, the antifreeze prepared in the embodiment 1 has test values of various indexes in glassware corrosion tests and simulated corrosion tests which are obviously lower than the corresponding standard requirements, which indicates that the antifreeze prepared in the embodiment has excellent corrosion resistance.
In addition, the antifreeze shown in the embodiment 1 is tested for density, thermal conductivity, specific heat capacity and viscosity, and the test structure is shown in FIGS. 1 to 4. As can be seen from fig. 1 to 4, the antifreeze obtained in the embodiment 1 has high heat dissipation performance and can protect parts (such as a battery and a motor) of a new energy vehicle.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The new energy antifreeze fluid is characterized by comprising the following components in percentage by mass: 0.98-2.1% of isooctanoic acid, 0.12-0.35% of sebacic acid, 0.32-0.63% of sodium hydroxide, 0.08-0.21% of methylbenzotriazine, 0.08-0.21% of organosilicon compound, 35-60% of ethylene glycol, 0.003-0.005% of coloring agent, 0.003-0.005% of defoaming agent and 35-60% of deionized water.
2. The new energy antifreeze solution according to claim 1, wherein said organosilicon compound is TS-1 organosilicon, and its molecular formula is:
3. the preparation method of the new energy antifreeze solution according to claim 1 or 2, which mainly comprises the following steps: the method comprises the following steps of mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organic silicon compound, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and stirring until the mixture is completely dissolved to obtain the antifreezing solution.
4. The preparation method of the new energy antifreeze according to claim 3, wherein the stirring temperature is 30 to 80 ℃ and the stirring time is 30 to 40 min.
5. The preparation method of the new energy antifreeze solution according to claim 1 or 2, which mainly comprises the following steps:
s1, mixing isooctanoic acid, sebacic acid, sodium hydroxide, methylbenzotriazine, an organosilicon compound and deionized water in proportion to obtain the complexing agent, wherein the components are prepared according to the following mass fractions: 24.5-30% of isooctanoic acid, 3.0-5.0% of sebacic acid, 8.0-9.0% of sodium hydroxide, 2.0-3.0% of methylbenzotriazine, 2.0-3.0% of an organosilicon compound and 55-60% of deionized water;
s2, mixing the complexing agent, ethylene glycol, deionized water, a coloring agent and a defoaming agent in proportion, and uniformly stirring to obtain the antifreezing solution; the composition is prepared from the following components in parts by mass: 4-7% of complexing agent, 35-60% of ethylene glycol, 30.8-57.8% of deionized water, 0.003-0.005% of coloring agent and 0.003-0.005% of defoaming agent.
6. The preparation method of the new energy antifreeze solution according to claim 5, wherein the stirring temperature in S1 is 30-50 ℃ and the stirring time is 30-40 min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113416522A (en) * | 2021-06-17 | 2021-09-21 | 上海科鸿能源发展有限公司 | Low-conductivity anti-freezing cooling liquid for new energy power battery and preparation method thereof |
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