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Pitting-prevention engine liquid coolant

A technology of engine coolant and pitting corrosion, which is applied in the field of coolant, can solve the problems of salt water mixture, which is prone to rust and crystallization, high vapor pressure, high low-temperature viscosity of diethylene glycol, etc., to improve the inhibition protection performance and improve the tissue performance , Good antifreeze effect

Inactive Publication Date: 2016-04-13
BENGBU HAIMING DIE CASTING MACHINE CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Most antifreezes have been eliminated due to various reasons, such as methanol and ethanol have low boiling points, high vapor pressure and are flammable; salt water mixtures are prone to rust and crystal precipitation; glycerin has high viscosity, poor antifreeze performance, and is incompatible with rubber; Ethylene glycol has high viscosity at low temperature, poor anti-rust ability, etc., and the pitting problem of the engine cooling system has not been solved by the engine coolant. The effect of preventing pitting corrosion cannot meet the ideal requirements, and cannot meet the needs of many occasions

Method used

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Examples

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Embodiment Construction

[0012] .An anti-pitting engine coolant, made of the following components in parts by weight, 145 parts of propylene glycol and ethylene glycol blend, 6 parts of citric acid, 12 parts of simethicone oil, 15 parts of ternary polycarboxylic acid , 8 parts of nano-alumina, 14 parts of guar gum, 8 parts of pentaerythritol, and 12 parts of glycerin.

[0013] Further, the blend of propylene glycol and ethylene glycol is propylene glycol and ethylene glycol mixed at a ratio of 1:3 at 35-40°C, and then uniformly stirred for 30 minutes at a stirring speed of 300 r / min.

[0014] Further, the particle size of the nano-alumina is 10-12nm.

[0015] Further, the terpolymeric acid is pretreated: the terpolymeric acid and triethanolamine are mixed at 25-30° C. for 30 minutes, then nano-alumina and guar gum are added, and stirred evenly for 10 minutes.

[0016] Further, the simethicone is pretreated: a mixture of 1 part by weight of oligoethylene glycol methyl glycidyl ether and octamethylcycl...

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PUM

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Abstract

The invention discloses a pitting-prevention engine liquid coolant. The pitting-prevention engine liquid coolant is prepared from a propylene glycol-ethylene glycol mixture, citric acid, dimethicone, tricarboxylic acid, nanometer alumina, guar gum, pentaerythritol and glycerin. The pitting-prevention engine liquid coolant has good cooling effects. Through tricarboxylic acid-triethanolamine-nanometer alumina-guar gum mixing pretreatment, liquid coolant structure properties are improved, engine coolant-caused engine cooling system pitting is greatly reduced and pitting corrosion inhibition protection performances are improved. The pitting-prevention engine liquid coolant has good antifreezing effects and no corrosivity and does not pollute a cooling pipe.

Description

technical field [0001] The invention relates to the technical field of cooling liquid, in particular to an anti-pitting corrosion engine cooling liquid. Background technique [0002] Coolant is a complex multi-component system. An excellent coolant should have functions such as heat dissipation, anti-corrosion, anti-freezing, high boiling point, anti-scale and anti-foaming. Most antifreezes have been eliminated due to various reasons, such as methanol and ethanol have low boiling points, high vapor pressure and are flammable; salt water mixtures are prone to rust and crystal precipitation; glycerin has high viscosity, poor antifreeze performance, and is incompatible with rubber; Ethylene glycol has high viscosity at low temperature, poor anti-rust ability, etc., and the pitting problem of the engine cooling system has not been solved by the engine coolant. The effect of preventing pitting corrosion cannot meet the ideal requirements, and cannot meet the needs of many occasi...

Claims

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Application Information

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IPC IPC(8): C09K5/20
CPCC09K5/20
Inventor 闫海玲
Owner BENGBU HAIMING DIE CASTING MACHINE CO LTD
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