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A kind of multi-effect automobile antifreeze

An automotive and hydraulic technology, applied in the field of antifreeze for automobile water tanks, can solve the problems of changes in anti-corrosion performance and difficult to guarantee the quality of anti-freeze, and achieve the effect of satisfying anti-freezing and anti-corrosion effects.

Pending Publication Date: 2016-11-02
西安昕罗新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after three months of use in the car water tank, the product performance has changed significantly in terms of anti-corrosion performance
This means that the quality of antifreeze that continues to be used after three months of use is difficult to guarantee

Method used

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  • A kind of multi-effect automobile antifreeze
  • A kind of multi-effect automobile antifreeze

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 A kind of multi-effect automobile antifreeze, is made up of following components by weight percentage:

[0029] Polyaniline water-based preservative 4%;

[0030] Ethylene glycol antifreeze 65%;

[0031] Diethyl ether 30%;

[0032] Antiboiling agent 0.8%;

[0033] Metal Oxidation Inhibitor 1.2%.

[0034] The preparation method of described polyaniline preservative comprises the following steps:

[0035] (1) Add 10 grams of intrinsic polyaniline and 1 gram of silver sulfate to 100 grams of 23% sulfuric acid, stir for 2 hours at a temperature of 80° C., cool, filter, and wash with water until neutral to obtain a black slurry ;

[0036] (2) Take 3 grams of black slurry, add 8 grams of deionized water, 0.2 grams of caustic soda, adjust the pH value to 7-9, then add 1 gram of borax, 0.002 grams of zinc sulfate, 0.3 grams of sodium nitrite, and 0.35 grams of sodium benzoate , 0.03 grams of ethanol, in a high-speed disperser at a speed of 1800 rev / min, disper...

Embodiment 2

[0042] Embodiment 2 A kind of multi-effect automobile antifreeze is composed of the following components by weight percentage:

[0043] Polyaniline water-based preservative 4%;

[0044] Ethylene glycol antifreeze 80%;

[0045] Diethyl ether 50%;

[0046] Antiboiling agent 1%;

[0047] Metal Oxidation Inhibitor 2%.

[0048] The preparation method of described polyaniline preservative comprises the following steps:

[0049] (1) Add 10 grams of intrinsic polyaniline and 1 gram of silver sulfate to 100 grams of 23% sulfuric acid, stir for 2 hours at a temperature of 80° C., cool, filter, and wash with water until neutral to obtain a black slurry ;

[0050] (2) Take 3 grams of black slurry, add 8 grams of deionized water, 0.2 grams of caustic soda, adjust the pH value to 7-9, then add 1 gram of borax, 0.002 grams of zinc sulfate, 0.3 grams of sodium nitrite, and 0.35 grams of sodium benzoate , 0.03 grams of ethanol, in a high-speed disperser at a speed of 1800 rev / min, disper...

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Abstract

The invention relates to a multi-effect automobile antifreeze, which is composed of the following components by weight percentage: 1-4% of polyaniline water-based preservative; 60-80% of ethylene glycol antifreeze; 30-55% of diethyl alcohol %; anti-boiling agent 0.5-1%; metal oxidation inhibitor 0.8-2%. Compared with the prior art, the present invention is composed of several simple materials with lower cost, and uses polyaniline water-based preservative as the antifreeze additive, which solves the problem of poor antirust performance of the current automobile antifreeze , can fully meet the requirements of antifreeze and anticorrosion, and is an ideal new type of antifreeze for automobile water tanks with excellent anticorrosion effect.

Description

technical field [0001] The invention belongs to the technical field of antifreeze for automobile water tanks, and in particular relates to a multi-effect antifreeze for automobiles. Background technique [0002] At present, domestically produced antifreezes for automobiles generally fall into the following two categories: ethanol-water type, which has a high anti-freezing point and is easy to catch fire and is unsafe; glycerin-water type, which is expensive and unsafe. Economical, and most antifreezes add organic preservatives. The disadvantages are as follows: organic preservatives are easily acidified at a temperature of 80 ° C, and cause corrosion to the automobile water tank circulation pump and engine block. Under normal circumstances, the antifreeze we buy from the market has been tested to meet the national standards. However, after three months of use in the car water tank, the product performance has changed significantly in terms of anti-corrosion performance. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/20
Inventor 宋彤彤
Owner 西安昕罗新能源科技有限公司
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