A kind of antifreeze liquid with metal anticorrosion performance and preparation method thereof

A metal anti-corrosion and antifreeze technology, applied in the field of antifreeze, can solve the problems of low freezing point and high boiling point, and achieve the effect of low freezing point, high boiling point and small foam volume

Active Publication Date: 2018-08-24
DONGYING HAOMING LUBRICATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned antifreeze has the problems of high boiling point and low freezing point.

Method used

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  • A kind of antifreeze liquid with metal anticorrosion performance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An antifreeze solution with metal anticorrosion properties, comprising the following raw materials in parts by weight: 30 parts of ethylene glycol, 8 parts of polyethylene glycol, 20 parts of sodium hydroxide, 20 parts of sodium phosphate, 15 parts of sodium nitrate, sodium silicate 45 parts, 15 parts of methacrylic acid, 25 parts of dodecyltrimethylammonium chloride, 20 parts of 2-methylthiobenzothiazole, 10 parts of pH regulator, 20 parts of dye, 25 parts of sodium stearyl fumarate parts, 55 parts of distilled water.

[0018] The dye is neutral red.

[0019] The pH regulator is orthophosphate and phosphoric acid in a mass ratio of 1:2.

[0020] The preparation method of above-mentioned antifreezing solution comprises the following steps: adjusting ethylene glycol, polyethylene glycol, sodium hydroxide, sodium phosphate, sodium nitrate, sodium silicate, methacrylic acid, 2-methylthiobenzothiazole, pH Mix the agent, dye, sodium stearyl fumarate, and distilled water in...

Embodiment 2

[0022] An antifreeze solution with metal anticorrosion properties, comprising the following raw materials in parts by weight: 20 parts of ethylene glycol, 4 parts of polyethylene glycol, 10 parts of sodium hydroxide, 15 parts of sodium phosphate, 10 parts of sodium nitrate, sodium silicate 40 parts, 10 parts of methacrylic acid, 20 parts of dodecyltrimethylammonium chloride, 10 parts of 2-methylthiobenzothiazole, 4 parts of pH regulator, 2 parts of dye, 20 parts of sodium stearyl fumarate parts, 50 parts of distilled water.

[0023] The dye is methylene blue.

[0024] The pH regulator is orthophosphate and phosphoric acid in a mass ratio of 1:2.

[0025] The preparation method of above-mentioned antifreezing solution comprises the following steps: adjusting ethylene glycol, polyethylene glycol, sodium hydroxide, sodium phosphate, sodium nitrate, sodium silicate, methacrylic acid, 2-methylthiobenzothiazole, pH After mixing agent, dye, sodium stearyl fumarate and distilled wat...

Embodiment 3

[0027] An antifreeze solution with metal anticorrosion properties, comprising the following raw materials in parts by weight: 50 parts of ethylene glycol, 10 parts of polyethylene glycol, 30 parts of sodium hydroxide, 25 parts of sodium phosphate, 20 parts of sodium nitrate, sodium silicate 50 parts, 20 parts of methacrylic acid, 30 parts of dodecyltrimethylammonium chloride, 30 parts of 2-methylthiobenzothiazole, 20 parts of pH regulator, 30 parts of dye, 30 parts of sodium stearyl fumarate parts, 60 parts of distilled water.

[0028] The dye is neutral red.

[0029] The pH regulator is orthophosphate and phosphoric acid in a mass ratio of 1:2.

[0030] The preparation method of above-mentioned antifreezing solution comprises the following steps: adjusting ethylene glycol, polyethylene glycol, sodium hydroxide, sodium phosphate, sodium nitrate, sodium silicate, methacrylic acid, 2-methylthiobenzothiazole, pH After mixing agent, dye, sodium stearyl fumarate and distilled wat...

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PUM

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Abstract

The invention discloses an antifreeze liquid with metal anticorrosion performance and a preparation method thereof. The antifreeze liquid comprises the following raw materials: ethylene glycol, polyethylene glycol, sodium hydroxide, sodium phosphate, sodium nitrate, sodium silicate, methacrylic acid , Lauryltrimethylammonium Chloride, 2-Methylthiobenzothiazole, pH Adjuster, Dyes, Sodium Stearyl Fumarate, Distilled Water. Its preparation method is: ethylene glycol, polyethylene glycol, sodium hydroxide, sodium phosphate, sodium nitrate, sodium silicate, methacrylic acid, 2-methylthiobenzothiazole, pH regulator, dyestuff, stearin Sodium fumarate and distilled water are mixed and placed in a flat-bottomed bottle, and the flat-bottomed bottle is placed on a magnetic stirrer. After stirring for 10-20 minutes, add dodecyltrimethylammonium chloride and continue stirring. The antifreeze liquid of the invention has high boiling point, low freezing point, small foam volume, short defoaming time and good corrosion resistance.

Description

technical field [0001] The invention relates to an antifreeze liquid with metal anticorrosion performance and a preparation method thereof, belonging to the technical field of antifreeze liquid. Background technique [0002] Antifreeze is a coolant containing special additives, mainly used in liquid-cooled engine cooling systems. Antifreeze has excellent properties such as antifreezing in winter, anti-boiling in summer, anti-scale and anti-corrosion throughout the year. At present, more than 95% of the water-based antifreeze fluids using ethylene glycol at home and abroad, compared with tap water, the most significant feature of ethylene glycol is antifreeze, while water cannot prevent freezing. Secondly, ethylene glycol has a high boiling point, low volatility, moderate viscosity and small change with temperature, and good thermal stability. Therefore, ethylene glycol antifreeze is an ideal coolant, but its freezing point is high, it is not suitable for very cold weather, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/20
Inventor 赵允山韩宇婷郑振华明艳辉
Owner DONGYING HAOMING LUBRICATION TECH CO LTD
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