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Engine cooling liquid

An engine coolant and silicate technology, applied in the field of engine coolant, can solve the problems of aggravated wear, damaged parts, deteriorated lubrication of moving parts, etc., and achieves anti-boiling function and good anti-freezing effect.

Inactive Publication Date: 2017-07-25
HUBEI UNIV OF ARTS & SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Coolant, also known as antifreeze, antifreeze, etc., if the engine is overheated, it will lead to a decrease in inflation efficiency and a decrease in engine power; it will also increase the tendency of early ignition and deflagration, deteriorate the lubrication between moving parts, and aggravate its wear , premature damage to components

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A kind of engine coolant, is made up of the raw material of following parts by weight: 30 parts of ethylene glycol, 10 parts of propylene glycol, 0.5 part of sodium silicate, 0.2 part of barium petroleum sulfonate, 0.1 part of molybdate, 0.1 part of benzotriazole 0.5 part of potassium sorbate, 0.1 part of silicate stabilizer, 0.4 part of polysiloxane defoamer, 0.08 part of pH regulator, 0.01 part of methyl bromide, 0.2 part of dimethyl sulfoxide, isothiazolinone 0.05 parts, and the balance is deionized water.

Embodiment 2

[0010] An engine coolant, consisting of the following raw materials in parts by weight: 70 parts of ethylene glycol, 30 parts of propylene glycol, 1 part of sodium silicate, 0.5 part of potassium silicate, 0.6 part of sodium petroleum sulfonate, and 0.2 part of barium petroleum sulfonate , 0.6 parts of molybdate, 0.8 parts of benzotriazole, 2 parts of potassium sorbate, 1 part of potassium citrate, 0.5 parts of silicate stabilizer, 1.2 parts of polysiloxane defoamer, 1 part of pH regulator , 0.02 parts of methyl red, 0.6 parts of dimethyl sulfoxide, 0.4 parts of isothiazolinone, and the balance is deionized water.

Embodiment 3

[0012] An engine coolant, consisting of the following raw materials in parts by weight: 50 parts of ethylene glycol, 20 parts of propylene glycol, 0.5 part of sodium silicate, 0.5 part of potassium silicate, 0.3 part of sodium petroleum sulfonate, and 0.3 part of barium petroleum sulfonate , 0.3 part of molybdate, 0.4 part of benzotriazole, 1 part of potassium sorbate, 0.5 part of potassium citrate, 0.3 part of silicate stabilizer, 0.8 part of polysiloxane defoamer, 0.5 part of pH regulator , 0.015 parts of methyl red, 0.4 parts of dimethyl sulfoxide, 0.2 parts of isothiazolinone, and the balance is deionized water.

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PUM

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Abstract

The invention discloses engine cooling liquid. The engine cooling liquid comprises, by weight, 30-70 parts of ethylene glycol, 10-30 parts of propylene glycol, 0.5-1.5 parts of silicate, 0.2-0.8 part of petroleum sulfonate, 0.1-0.6 part of molybdate, 0.1-0.8 part of azole compound, 0.5-3 parts of preservatives, 0.1-0.5 part of silicate stabilizer, 0.4-1.2 parts of defoaming agent, 0.08-1 part of pH regulator, 0.01-0.02 part of dyeing agent, 0.2-0.6 part of dimethyl sulfoxide, 0.05-0.4 part of isothiazolinone and the balance deionized water. The engine cooling liquid is good in freezing resistance, corrosion resistance, scaling resistance and boiling resistance.

Description

technical field [0001] The invention belongs to the technical field of engine cooling, and in particular relates to an engine coolant. Background technique [0002] Coolant, also known as antifreeze, antifreeze, etc., if the engine is overheated, it will lead to a decrease in inflation efficiency and a decrease in engine power; it will also increase the tendency of early ignition and deflagration, deteriorate the lubrication between moving parts, and aggravate its wear , Premature damage to components. With the development of the automobile industry, the performance requirements of the engine are getting higher and higher, not only requiring the coolant to have a lower freezing point and a higher boiling point, but also requiring better anti-fouling and anti-corrosion properties. Contents of the invention [0003] The object of the present invention is to provide an engine coolant, which not only has a lower freezing point and a higher boiling point, but also has better a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/20
CPCC09K5/20
Inventor 刘朋姚鹏华王书贤
Owner HUBEI UNIV OF ARTS & SCI
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