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Antifreeze fluid by taking composite corrosion inhibitor as main raw material

A compound corrosion inhibitor and main raw material technology, applied in the field of antifreeze, can solve the problems of metal surface corrosion and high production cost of antifreeze, achieve good anti-corrosion effect, non-toxic corrosion inhibition effect, and prolong service life

Active Publication Date: 2014-01-08
FOSHAN DELIAN AUTOMOTIVE ACCESSORIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of antifreeze with composite corrosion inhibitor as the main raw material in order to solve the problems of high production cost and easy corrosion of metal surface in the existing antifreeze

Method used

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  • Antifreeze fluid by taking composite corrosion inhibitor as main raw material

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specific Embodiment approach 1

[0007] Specific Embodiment 1: The freezing point of the antifreeze that uses composite corrosion inhibitor as the main raw material in this embodiment is -50°C, and the antifreeze is composed of 600kg ethylene glycol, 630kg water, 16.46kg composite corrosion inhibitor and 0.1kg fluorescein Composition; Described composite corrosion inhibitor is made up of 12.5kg borax, 3kg sodium benzoate, 0.6kg benzotriazole, 0.26kg caustic soda, 0.1kg methyl silicone oil; Described ethylene glycol adopts content to be 98% industrial grade ethylene glycol.

[0008] The preparation method of the antifreeze is as follows: add ethylene glycol into the reaction kettle, then inject water, then add borax, sodium benzoate, benzotriazole, caustic soda, methyl silicone oil and dye in turn, and stir repeatedly until completely dissolved Afterwards, stand still for 4 hours, and discharge promptly obtain the antifreeze finished product of the present embodiment.

specific Embodiment approach 2

[0009] Specific implementation mode two: the freezing point of the antifreeze liquid with composite corrosion inhibitor as the main raw material in this embodiment is -45°C, and the antifreeze liquid is composed of 550kg ethylene glycol, 570kg water, 15.59kg composite corrosion inhibitor and 0.09kg fluorescein Composition; Described composite corrosion inhibitor is made up of 11.9kg borax, 2.8kg sodium benzoate, 0.55kg benzotriazole, 0.25kg caustic soda, 0.09kg methyl silicone oil; Described ethylene glycol employing content is 98% Industrial grade ethylene glycol. The preparation method of the antifreeze in this embodiment is the same as that in Embodiment 1.

specific Embodiment approach 3

[0010] Specific implementation mode three: the freezing point of the antifreeze solution with composite corrosion inhibitor as the main raw material in this embodiment is -40°C, and the antifreeze solution is composed of 470kg ethylene glycol, 500kg water, 14.61kg composite corrosion inhibitor and 0.08kg fluorescein Composition; Described composite corrosion inhibitor is made up of 11.3kg borax, 2.5kg sodium benzoate, 0.5kg benzotriazole, 0.23kg caustic soda, 0.08kg methyl silicone oil; Described ethylene glycol employing content is 98% Industrial grade ethylene glycol. The preparation method of the antifreeze in this embodiment is the same as that in Embodiment 1.

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Abstract

An antifreeze fluid by taking a composite corrosion inhibitor as the main raw material belongs to the field of heat exchange, and aims at solving the problems that conventional antifreeze fluids are high in production cost and corrosion are easy to cause on metal surfaces. The antifreeze fluid is composed of: in parts by weight, 350-600 parts of glycol, 380-630 parts of water, 12.65-16.46 parts of a composite corrosion inhibitor and 0.05-0.1 part of fluorescein, wherein the composite corrosion inhibitor is composed of: in parts by weight, 10-12.5 parts of borax, 2-3 parts of sodium benzoate, 0.4-0.6 part of benzotriazol, 0.2-0.26 part of flake caustic soda and 0.05-0.1 part of methyl silicone oil. The antifreeze fluid has the advantages of low cost, good corrosion inhibiting effect and no toxicity.

Description

technical field [0001] The invention belongs to the field of heat exchange materials, and in particular relates to an antifreeze liquid. Background technique [0002] In recent years, with the rapid development of the automobile industry and the metal industry, the capacity of the antifreeze market is also rapidly expanding. According to statistics, in 2010, my country's antifreeze market demand reached more than 4 million tons. Such a large demand has brought great profit space to antifreeze manufacturers. At present, there are thousands of manufacturers that can produce antifreeze products. . Because they are optimistic about the huge market potential of antifreeze, many counterfeiters and unscrupulous manufacturers regard antifreeze as a cash cow. There are quite a lot of fake and inferior products on the market. These inferior products have low technical strength. Ethanol, a small amount of ethylene glycol and dyes are blended. Not only the technical performance indicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/20C23F11/18C23F11/14
Inventor 王海峰李秀坤莫忠强陈官峰
Owner FOSHAN DELIAN AUTOMOTIVE ACCESSORIES CO LTD
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