CN116218485A - High-performance automobile antifreeze fluid and preparation method thereof - Google Patents

Abstract

The invention discloses a high-performance automobile antifreeze fluid and a preparation method thereof, and relates to the technical field of automobile antifreeze fluid, wherein the antifreeze fluid comprises the following components in percentage by weight: 0.08 to 0.20 percent of sugar acid, 35.7 to 43.2 percent of glycol, 0.4 to 0.8 percent of triethanolamine, 0.8 to 2.1 percent of nano microcrystalline fiber powder, 0.1 to 0.3 percent of dioctyl azelate, 0.2 to 0.6 percent of polyvinylpyrrolidone, 0.3 to 1.2 percent of synergist, 0.1 to 0.5 percent of corrosion inhibitor, 0.06 to 0.1 percent of defoamer and the balance of deionized water. The automobile antifreeze provided by the invention has low condensation point which can be as low as minus 56 ℃, can meet the requirements of northern areas on the automobile antifreeze, and has excellent rust resistance, corrosion resistance and defoaming property, good use effect and wide application.

Description

High-performance automobile antifreeze fluid and preparation method thereof

Technical Field

The invention relates to the technical field of automobile antifreeze, in particular to high-performance automobile antifreeze and a preparation method thereof.

Background

The antifreezing fluid, which is called antifreezing coolant, is mainly used for a liquid-cooled engine cooling system and has the functions of preventing freezing in winter and boiling in summer. On the one hand, the radiator and the engine cylinder block or the cover can be prevented from being broken by the expansion of the cooling liquid due to the freezing of the cooling liquid when the vehicle is stopped in cold winter, and on the other hand, the radiator is used as a heat dissipation medium which is indispensable to the normal operation of the vehicle engine, and the cooling water in the engine water tank in summer is prevented from reaching the boiling point. If the water in the engine water tank reaches the boiling point, a large amount of bubbles can be generated, part of the area in the cooling system is occupied by the bubbles, the water is seriously consumed around the cylinder wall, so that the engine is lack of cooling, the strength of parts such as a piston, a piston ring, a connecting rod and the like is reduced, even deformed, the normal load is not born, the normal gaps among the parts are damaged, the normal oil film among the parts cannot be maintained, the engine is pulled out and pulled out when the engine is light, and the whole engine is damaged or even scrapped when the engine is heavy. If the cooling water in the engine water tank contains mineral components, especially calcium and magnesium, these minerals react with the metal parts and form scale that is difficult to remove in a high temperature environment, which is also another large killer of the vehicle cooling system. The mobility of the cooling water is affected after scale is formed in the vehicle cooling system, and the heat dissipation of each component is also unfavorable, so that the normal operation of the vehicle cooling system is affected over time. The automobile antifreeze fluid in the prior art is unstable in property, needs to be replaced frequently, wastes time and labor, and has limited anti-corrosion, scale-proof and rust-proof effects.

Disclosure of Invention

Aiming at the problems existing in the prior art, the invention aims to provide a high-performance automobile antifreeze formula which comprises the following components in percentage by weight: 0.08 to 0.20 percent of sugar acid, 35.7 to 43.2 percent of glycol, 0.4 to 0.8 percent of triethanolamine, 0.8 to 2.1 percent of nano microcrystalline fiber powder, 0.1 to 0.3 percent of dioctyl azelate, 0.2 to 0.6 percent of polyvinylpyrrolidone, 0.3 to 1.2 percent of synergist, 0.1 to 0.5 percent of corrosion inhibitor, 0.06 to 0.1 percent of defoamer and the balance of deionized water.

Further, the antifreeze fluid consists of the following components in percentage by weight: 0.14% of sugar acid, 38.5% of glycol, 0.6% of triethanolamine, 1.3% of nano microcrystalline cellulose powder, 0.2% of dioctyl azelate, 0.4% of polyvinylpyrrolidone, 0.75% of synergist, 0.3% of corrosion inhibitor, 0.08% of defoamer and the balance of deionized water.

Further, the antifreeze fluid consists of the following components in percentage by weight: 0.12% of sugar acid, 37.2% of glycol, 0.5% of triethanolamine, 1.0% of nano microcrystalline cellulose powder, 0.15% of dioctyl azelate, 0.3% of polyvinylpyrrolidone, 0.5% of synergist, 0.2% of corrosion inhibitor, 0.07% of defoamer and the balance of deionized water.

Further, the antifreeze fluid consists of the following components in percentage by weight: 0.18% of sugar acid, 41.4% of glycol, 0.7% of triethanolamine, 1.6% of nano microcrystalline cellulose powder, 0.25% of dioctyl azelate, 0.5% of polyvinylpyrrolidone, 1.0% of synergist, 0.4% of corrosion inhibitor, 0.09% of defoamer and the balance of deionized water.

Further, the potentiating agent comprises the following ingredients, calculated per 1000ml of water: 10g of iodine, 30g of sodium bicarbonate, 30g of sodium chloride, 30g of sodium sulfate, 20g of zinc chloride, 10g of sodium nitrite, 10g of potassium nitrate, 40g of sodium tetraborate, 20g of sodium hydroxide, 30g of sodium silicate and 20ml of glycerin are taken.

Further, the preparation method of the synergist comprises the following steps: putting 10g of iodine, 30g of sodium bicarbonate, 30g of sodium chloride, 30g of sodium sulfate, 20g of zinc chloride, 10g of sodium nitrite, 10g of potassium nitrate, 40g of sodium tetraborate, 20g of sodium hydroxide, 30g of sodium silicate and 20ml of glycerin into a container, adding 1000ml of water, uniformly stirring, putting the stirred solution into a beaker, and heating for 10 minutes when the temperature of the beaker reaches 90 ℃; filtering the liquid in the beaker, and putting the filtrate into the beaker to be heated until the temperature of the beaker reaches 90 ℃ for 10 minutes; and finally, filtering the liquid in the beaker again, cooling, and pouring the filtered liquid into a sealed container.

Preferably, the corrosion inhibitor is a compound type, and is composed of three mixtures of methylbenzotriazole, sodium benzoate and sodium sebacate.

Further, the corrosion inhibitor is composed of three mixtures of methyl benzotriazol, sodium benzoate and sodium sebacate in a weight ratio of 1.35:1.06:0.52.

Further, the defoamer consists of two mixtures of alkylphenol ethoxylates and fatty acid polyoxyethylene esters in a weight ratio of 1.78:0.93.

The invention also aims to provide a preparation method of the high-performance automobile antifreeze, which specifically comprises the following steps:

(1) Placing deionized water and ethylene glycol in a stirring container, stirring at 60deg.C for 25min under water bath heating condition, and controlling rotation speed at 250r/min to obtain base solution;

(2) Placing the base solution, corrosion inhibitor, synergist, sugar acid, triethanolamine, nano microcrystalline cellulose powder, dioctyl azelate and polyvinylpyrrolidone in a stirring container, stirring at 60deg.C for 35min under heating in water bath, and controlling the rotation speed at 250r/min to obtain mixed solution;

(3) And (3) placing the mixed solution and the defoaming agent in a stirring container, stirring for 25min at 45 ℃ under the condition of heating in a water bath, and controlling the rotating speed at 250r/min to obtain the antifreezing solution.

The invention has the following beneficial effects:

(1) The automobile antifreeze fluid provided by the invention is stable and excellent in shape, transparent and uniform and light green liquid, and is not easy to precipitate sediment at different environmental temperatures, so that the problems of floccules, agglomerations, scaling and the like of the antifreeze fluid in use can be avoided, the normal operation of a vehicle cooling system is ensured, adverse effects are eliminated, the engine cooling system is ensured to be in an optimal working state for a long time, and the replacement frequency and cost of the automobile antifreeze fluid are greatly reduced.

(2) The automobile antifreeze fluid provided by the invention has the advantages of safe formula components, no pungent smell, no toxicity or harm, lower price and low production cost.

(3) The preparation method of the automobile antifreeze provided by the invention is simple and convenient, the preparation time is short, the required preparation conditions and equipment are few, the problem of poor solubility between part of solutes and solvents in the prior art or the phenomenon of additive insolubility and additive precipitation in the adding process caused by incorrect additive adding sequence is solved, the stability of the characteristic of the antifreeze is improved, the time and the labor are saved, the environment is protected, the energy is saved, and the production cost is reduced.

(4) According to the automobile antifreeze fluid, the antifreeze fluid can be prevented from deterioration within the storage period of 3-5 years by adding the specified amount of the synergist and the sugar acid into the formula, and compared with the existing automobile antifreeze fluid, the storage period of 2-3 years is greatly improved, and the corrosion resistance and the service life of the antifreeze fluid are greatly prolonged; furthermore, the addition of the special synergistic agent has multiple effects, firstly, the pH value of the antifreeze can be stabilized between 8 and 10, so that the corrosion inhibitor is prevented from losing efficacy due to the effect reduction; secondly, the corrosion resistance to ferrous metal can be greatly improved; thirdly, the corrosiveness to the rubber leather hose can be reduced.

(5) According to the automobile antifreeze provided by the invention, the specific amount of nano microcrystalline fiber powder is added into the antifreeze, so that a stable dispersion system can be formed in the base liquid by the nano microcrystalline fiber powder in the preparation process of the antifreeze, the stability of the coolant liquid is improved, and the antifreeze is a free-flowing superfine short rod-shaped or powdery porous particle, so that the heat of an automobile cooling system can be absorbed and slowly released, and good antifreeze and heat dissipation effects are achieved.

(6) The automobile antifreeze provided by the invention has low condensation point which can be as low as minus 56 ℃, can meet the requirements of northern areas on the automobile antifreeze, and has excellent rust resistance, corrosion resistance and defoaming property, good use effect and wide application.

Detailed Description

The following examples are provided to illustrate the technical aspects of the present invention more clearly, but are not intended to limit the scope of the present invention.

Example 1

The embodiment 1 discloses an automobile antifreeze fluid which comprises the following components in percentage by weight: 0.08 percent of sugar acid, 35.7 percent of glycol, 0.4 percent of triethanolamine, 0.8 percent of nano microcrystalline cellulose powder, 0.1 percent of dioctyl azelate, 0.2 percent of polyvinylpyrrolidone, 0.3 percent of synergistic agent, 0.1 percent of corrosion inhibitor, 0.06 percent of defoamer and the balance of deionized water.

Example 2

The embodiment 2 discloses an automobile antifreeze fluid which comprises the following components in percentage by weight: 0.12% of sugar acid, 37.2% of glycol, 0.5% of triethanolamine, 1.0% of nano microcrystalline cellulose powder, 0.15% of dioctyl azelate, 0.3% of polyvinylpyrrolidone, 0.5% of synergist, 0.2% of corrosion inhibitor, 0.07% of defoamer and the balance of deionized water.

Example 3

The embodiment 3 discloses an automobile antifreeze fluid which comprises the following components in percentage by weight: 0.14% of sugar acid, 38.5% of glycol, 0.6% of triethanolamine, 1.3% of nano microcrystalline cellulose powder, 0.2% of dioctyl azelate, 0.4% of polyvinylpyrrolidone, 0.75% of synergist, 0.3% of corrosion inhibitor, 0.08% of defoamer and the balance of deionized water.

Example 4

The embodiment 4 discloses an automobile antifreeze fluid which comprises the following components in percentage by weight: 0.18% of sugar acid, 41.4% of glycol, 0.7% of triethanolamine, 1.6% of nano microcrystalline cellulose powder, 0.25% of dioctyl azelate, 0.5% of polyvinylpyrrolidone, 1.0% of synergist, 0.4% of corrosion inhibitor, 0.09% of defoamer and the balance of deionized water.

Example 5

The embodiment 5 discloses an automobile antifreeze fluid which comprises the following components in percentage by weight: 0.20% of sugar acid, 43.2% of glycol, 0.8% of triethanolamine, 2.1% of nano microcrystalline cellulose powder, 0.3% of dioctyl azelate, 0.6% of polyvinylpyrrolidone, 1.2% of synergist, 0.5% of corrosion inhibitor, 0.1% of defoamer and the balance of deionized water.

Example 6

Based on the automobile antifreeze product formulation of the embodiment 1-5, the embodiment 6 discloses a synergistic agent, and the preparation method of the synergistic agent is as follows: putting 10g of iodine, 30g of sodium bicarbonate, 30g of sodium chloride, 30g of sodium sulfate, 20g of zinc chloride, 10g of sodium nitrite, 10g of potassium nitrate, 40g of sodium tetraborate, 20g of sodium hydroxide, 30g of sodium silicate and 20ml of glycerin into a container, adding 1000ml of water, uniformly stirring, putting the stirred solution into a beaker, and heating for 10 minutes when the temperature of the beaker reaches 90 ℃; filtering the liquid in the beaker, and putting the filtrate into the beaker to be heated until the temperature of the beaker reaches 90 ℃ for 10 minutes; finally, filtering the liquid in the beaker again, cooling, and pouring the filtered liquid into a sealed container to obtain the antifreezing solution synergist required by the embodiment of the invention; in development and test, the content of the special synergistic agent is not lower than 0.3% or higher than 1.2%, otherwise, the antifreezing solution effect cannot be expected.

Example 7

Based on the automobile antifreeze product formulation of the embodiment 1-5, the embodiment 7 discloses a corrosion inhibitor, which consists of three mixtures of methyl benzotriazol, sodium benzoate and sodium sebacate according to a weight ratio of 1.35:1.06:0.52; because the automobile cooling system is generally composed of copper, aluminum, cast iron, steel and soldering tin, ethylene glycol and water in the antifreeze fluid component can cause corrosion of materials of the cooling system in long-term operation, especially ethylene glycol, which can be oxidized along with temperature rise, and acidity rise to generate various corrosive substances, precipitation of the corrosive substances can cause reduction of heat conductivity of an engine, so that a cooler pipe part is easy to block and cause overheating of the engine, compared with the conventional automobile antifreeze fluid corrosion inhibitor, the composite corrosion inhibitor prepared by the embodiment of the invention can be adsorbed on the surface of metal to form a thin and compact protective film, thereby inhibiting corrosion of acid liquor to the metal; on the other hand, the corrosion inhibitor of the embodiment can react with ions in the metal surface or the acid liquor, and reaction products of the corrosion inhibitor cover the metal surface, so that the corrosion process is effectively inhibited; however, in experimental development, the content of the compound corrosion inhibitor is not lower than 0.1 percent or higher than 0.5 percent, otherwise, the performance of the antifreeze fluid is greatly reduced.

Example 8

Based on the automobile antifreeze product formulation of the embodiment 1-5, the embodiment 8 discloses an antifoaming agent, which consists of two mixtures of alkylphenol ethoxylates and fatty acid polyoxyethylene esters with a weight ratio of 1.78:0.93; because the vibration of the automobile body in the running process of the automobile can cause air to permeate into the antifreeze fluid to generate foam, the air dissolved in the antifreeze fluid has an oxidation effect on glycol, so that the foam is attached to the wall of the automobile, the occurrence of cavitation erosion is aggravated, and the heat conduction is affected; the consumption of the defoaming agent in the antifreeze liquid system of the embodiment is less, if the content of the defoaming agent is lower than 0.06%, the ideal defoaming state cannot be achieved, but if the content is higher than 0.1%, the integral property of the antifreeze liquid is affected, and the production cost is increased.

Example 9

Based on the automobile antifreeze product of embodiments 1-5, the embodiment 9 discloses a preparation method of an automobile antifreeze, mainly including the following steps:

(1) Placing deionized water and ethylene glycol in a stirring container, stirring at 60deg.C for 25min under water bath heating condition, and controlling rotation speed at 250r/min to obtain base solution;

(2) Placing the base solution, corrosion inhibitor, synergist, sugar acid, triethanolamine, nano microcrystalline cellulose powder, dioctyl azelate and polyvinylpyrrolidone in a stirring container, stirring at 60deg.C for 35min under heating in water bath, and controlling the rotation speed at 250r/min to obtain mixed solution;

(3) And (3) placing the mixed solution and the defoaming agent in a stirring container, stirring for 25min at 45 ℃ under the condition of heating in a water bath, and controlling the rotating speed at 250r/min to obtain the antifreezing solution.

Comparative example 1

This comparative example 1 was identical to example 3 except that the "nanocrystalline fiber powder" component was omitted.

Comparative example 2

The content of the component "nanocrystalline fiber powder" was adjusted to 0.5% as compared with example 3, except that the same was not changed in comparative example 2.

Comparative example 3

This comparative example 3 was compared with example 3, and the content of the component "nanocrystalline fiber powder" was adjusted to 3%, except that the same was not changed.

Comparative example 4

This comparative example 4 was identical to example 3 except that the "synergist" was omitted.

Comparative example 5

This comparative example 5 was compared with example 3, and the content of this component "synergist" was adjusted to 0.1%, except that the same was not changed.

Comparative example 6

This comparative example 6 was compared with example 3, and the content of this component "synergist" was adjusted to 1.5%, except that the same was not changed.

Comparative example 7

This comparative example 7 uses only "sodium benzoate" as corrosion inhibitor, the same as the other.

Comparative example 8

This comparative example 8 uses only "alkylphenol ethoxylates" as defoamer, except that the same is true.

Test examples

The antifreeze shown in the previous examples 1-5 and comparative examples 1-8 was used as a sample for the property detection test, and the test item, method and result are as follows:

(1) Appearance: and (3) injecting the measured antifreeze into 100ml with plug size of 30mm at 10-35 ℃ to the scale of 100ml, and tightly covering with a plug. Aiming the gauge with the gauge profile at a bright place (natural light), and visually observing the scale mark on the back of the gauge with the gauge profile clearly, wherein the gauge mark is transparent; if no graduation line is visible or the graduation line is blurred, the transparent. The device is simply inverted, and the liquid film on the wall of the device should be uniform.

(2) Smell, pass olfactory test.

(3) Condensation point of the antifreeze solution is measured according to the method specified in GB/T510-2018.

(4) Stability of

And (3) performing thermal stability, namely cleaning a narrow neck volumetric flask with scales, soaking for 2 hours by using chromic acid washing liquid, washing with clear water, and finally cleaning with distilled water for 3 times and drying for later use. Pouring the antifreeze into the thin neck volumetric flask treated above to the scale of 100mL, plugging the bottle stopper, placing at 75-85 ℃ for 168 hours, and inspecting the condition of the test solution.

And (3) low-temperature stability, treating a 100mL colorimetric tube for later use according to a method for testing the thermal stability, injecting an antifreezing solution into the 100mL colorimetric tube with the diameter of 30mm to a scale of 100mL, plugging the colorimetric tube by a plug, placing the colorimetric tube into a refrigerating device with the temperature of minus 35 ℃ to minus 25 ℃ for 168 hours, taking out, and inspecting the condition of the test solution.

And (3) oscillating stability, namely processing 100mL of the anti-freezing solution according to a method for testing thermal stability, injecting the anti-freezing solution into the processed 100mL of the anti-freezing solution to 50mL of the anti-freezing solution, measuring the anti-freezing solution at a scale, oscillating the anti-freezing solution for 1min up and down under the conditions that the temperature is 10-35 ℃, the amplitude is 200-300 mm and the frequency is 100-120 times/min, standing the anti-freezing solution, and detecting the condition of the test solution after foam disappears.

(5) The rust resistance is achieved by adopting HT300 cast iron with the diameter of 50mm as a test piece, firstly, thoroughly derusting the test piece by using No. 120 alumina abrasive cloth, then polishing the test piece to be smooth and bright by using No. 240 abrasive cloth, and visually no obvious processing trace exists. Then the cotton wool and filter paper are wiped clean, and the cotton wool and filter paper can be cleaned and dried by solvent gasoline specified by SH 0004 if necessary. And uniformly dripping the antifreezing solution on the surface of the cast iron test block according to a plum blossom format, wherein the diameter of each drop is 6-7 mm. Covering with a surface dish with the diameter of 60mm, standing for 24 hours at the temperature of 10-35 ℃, and checking the rust condition.

(6) When the steel bar and the brass bar are adopted as the test piece, grinding and polishing are firstly carried out according to the specification in GB/T11143-2008, the rubber bar is subjected to surface cleaning in advance, the antifreeze solution stock solution is placed in a heat-resistant high-type nozzle-free beaker, and the ground, polished and cleaned test piece is simultaneously placed in the test solution, so that the lower section part of the test piece is completely immersed in the human test solution; and (3) checking the rust condition of the test piece after 168 hours at the temperature of 10-35 ℃ without using a stirring device.

(7) Defoaming property, treating the anti-freezing solution stock solution with simple plug quantity according to a method for testing thermal stability, oscillating the anti-freezing solution stock solution according to a method for testing oscillating stability, standing the test solution for 10min, observing foam elimination condition, and recording the volume of residual foam. Recording the results as follows; a) When a small amount of foam or bubbles are arranged around the wall of the valve with the plug, and the antifreezing solution can be clearly seen, the volume of the reported foam is 0 mL; b) When the foam or bubble layer does not completely cover the surface of the antifreeze fluid and the antifreeze fluid can be clearly seen, the foam volume is reported to be "less than 2mL"; c) When the foam or bubble layer completely covers the surface of the antifreeze, the foam volume is recorded to the nearest 1mL.

Table 1: example 1 sample detection results

Table 2: example 2 sample detection results

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Table 3: example 3 sample detection results

Table 4: example 4 sample detection results

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Table 5: example 5 sample detection results

As can be seen from the analysis of the contents in tables 1 to 5, the antifreeze fluid prepared in the embodiment 3 of the invention has the advantages of optimal integral property, condensation point reaching-56 ℃, stable and excellent stability, rust resistance and corrosion resistance, and good defoaming effect; examples 1, 2, 4 and 5 are all preferred examples, and have larger solidifying point and poorer stability.

Table 6: comparative example 1 sample detection results

Table 7: comparative example 2 sample detection results

Table 8: comparative example 3 sample detection results

Table 9: comparative example 4 sample detection results

Table 10: comparative example 5 sample detection results

Table 11: comparative example 6 sample detection results

Table 12: comparative example 7 sample detection results

Table 13: comparative example 8 sample detection results

Based on the analysis of tables 6-13, on the basis of the optimal example 3, the adjustment of the components and the content of the nano microcrystalline fiber powder, the synergist, the corrosion inhibitor and the defoamer in comparative examples 1-8 can lead the antifreeze product to finally show an ideal state with performance which does not reach the effect of example 3, so that the antifreeze product formula and the content of the components are strict and compact, and the final performance of the product can be influenced by slightly changing the system formed by the components and the content of the components.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The high-performance automobile antifreeze fluid is characterized by comprising the following components in percentage by weight: 0.08 to 0.20 percent of sugar acid, 35.7 to 43.2 percent of glycol, 0.4 to 0.8 percent of triethanolamine, 0.8 to 2.1 percent of nano microcrystalline fiber powder, 0.1 to 0.3 percent of dioctyl azelate, 0.2 to 0.6 percent of polyvinylpyrrolidone, 0.3 to 1.2 percent of synergist, 0.1 to 0.5 percent of corrosion inhibitor, 0.06 to 0.1 percent of defoamer and the balance of deionized water.

2. The high performance automotive antifreeze of claim 1, comprising the following components in weight percent: 0.14% of sugar acid, 38.5% of glycol, 0.6% of triethanolamine, 1.3% of nano microcrystalline cellulose powder, 0.2% of dioctyl azelate, 0.4% of polyvinylpyrrolidone, 0.75% of synergist, 0.3% of corrosion inhibitor, 0.08% of defoamer and the balance of deionized water.

3. The high performance automotive antifreeze of claim 1, comprising the following components in weight percent: 0.12% of sugar acid, 37.2% of glycol, 0.5% of triethanolamine, 1.0% of nano microcrystalline cellulose powder, 0.15% of dioctyl azelate, 0.3% of polyvinylpyrrolidone, 0.5% of synergist, 0.2% of corrosion inhibitor, 0.07% of defoamer and the balance of deionized water.

4. The high performance automotive antifreeze of claim 1, comprising the following components in weight percent: 0.18% of sugar acid, 41.4% of glycol, 0.7% of triethanolamine, 1.6% of nano microcrystalline cellulose powder, 0.25% of dioctyl azelate, 0.5% of polyvinylpyrrolidone, 1.0% of synergist, 0.4% of corrosion inhibitor, 0.09% of defoamer and the balance of deionized water.

5. The high performance automotive antifreeze of claim 1, wherein said synergist comprises the following ingredients per 1000ml of water: 10g of iodine, 30g of sodium bicarbonate, 30g of sodium chloride, 30g of sodium sulfate, 20g of zinc chloride, 10g of sodium nitrite, 10g of potassium nitrate, 40g of sodium tetraborate, 20g of sodium hydroxide, 30g of sodium silicate and 20ml of glycerin are taken.

6. The high-performance automobile antifreeze according to claim 1, wherein the preparation method of the synergist is: putting 10g of iodine, 30g of sodium bicarbonate, 30g of sodium chloride, 30g of sodium sulfate, 20g of zinc chloride, 10g of sodium nitrite, 10g of potassium nitrate, 40g of sodium tetraborate, 20g of sodium hydroxide, 30g of sodium silicate and 20ml of glycerin into a container, adding 1000ml of water, uniformly stirring, putting the stirred solution into a beaker, and heating for 10 minutes when the temperature of the beaker reaches 90 ℃; filtering the liquid in the beaker, and putting the filtrate into the beaker to be heated until the temperature of the beaker reaches 90 ℃ for 10 minutes; and finally, filtering the liquid in the beaker again, cooling, and pouring the filtered liquid into a sealed container.

7. The high performance automotive antifreeze of claim 1, wherein said corrosion inhibitor is a complex, comprised of a mixture of three of methylbenzotriazole, sodium benzoate, and sodium sebacate.

8. The high performance automotive antifreeze of claim 7, wherein said corrosion inhibitor comprises a mixture of three types of methylbenzotriazole, sodium benzoate, and sodium sebacate in a weight ratio of 1.35:1.06:0.52.

9. The high-performance automobile antifreeze according to claim 1, wherein said defoamer is composed of two mixtures of alkylphenol ethoxylates and fatty acid polyoxyethylene esters in a weight ratio of 1.78:0.93.

10. A method for preparing the high-performance automobile antifreeze according to claim 1, comprising the steps of:

(1) Placing deionized water and ethylene glycol in a stirring container, stirring at 60deg.C for 25min under water bath heating condition, and controlling rotation speed at 250r/min to obtain base solution;

(2) Placing the base solution, corrosion inhibitor, synergist, sugar acid, triethanolamine, nano microcrystalline cellulose powder, dioctyl azelate and polyvinylpyrrolidone in a stirring container, stirring at 60deg.C for 35min under heating in water bath, and controlling the rotation speed at 250r/min to obtain mixed solution;

(3) And (3) placing the mixed solution and the defoaming agent in a stirring container, stirring for 25min at 45 ℃ under the condition of heating in a water bath, and controlling the rotating speed at 250r/min to obtain the antifreezing solution.