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Organic corrosion inhibitor suitable for antifreezing solution

A corrosion inhibitor and antifreeze technology, which is applied in the field of organic corrosion inhibitors, can solve problems such as poor corrosion inhibitor effects, achieve non-toxic or toxic, cheap and easy to obtain, satisfy stability and foaming, The effect of retarding corrosion

Inactive Publication Date: 2015-03-11
夏安娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: the purpose of this invention is to provide a kind of organic corrosion inhibitor suitable for antifreeze, to solve the problem that the existing corrosion inhibitor is not effective in the actual use process

Method used

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  • Organic corrosion inhibitor suitable for antifreezing solution
  • Organic corrosion inhibitor suitable for antifreezing solution
  • Organic corrosion inhibitor suitable for antifreezing solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Components and parts by weight: 25 parts of succinic acid, 10 parts of polyacrylamide, 7 parts of benzotriazole, 4 parts of sodium hydroxide powder, 6 parts of polyvinyl acetate, and 15 parts of water.

[0018] Preparation method: After mixing the above components, stir at 200 rpm at 65°C for two hours.

Embodiment 2

[0020] Components and parts by weight: 10 parts of sebacic acid, 10 parts of sodium oleate, 13 parts of triethanolamine, 7 parts of benzotriazole, 3 parts of potassium hydroxide powder, 5 parts of polyvinyl acetate, 20 parts of water .

[0021] Preparation method: After mixing the above components, stir at 200 rpm at 65°C for two hours.

Embodiment 3

[0023] Components and parts by weight: 15 parts of succinic acid, 10 parts of sodium benzoate, 12 parts of triamine citrate, 7 parts of benzotriazole, 5 parts of sodium hydroxide powder, 7 parts of polyvinyl acetate, 10 parts of water share.

[0024] Preparation method: After mixing the above components, stir at 200 rpm at 65°C for two hours.

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PUM

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Abstract

The invention discloses an organic corrosion inhibitor suitable for an antifreezing solution, which comprises the following components by weight: 20-30 parts of organic acidity and its salt, 10-13 parts of amide, 6-9 parts of nitrogen heterocyclic ring, 3-5 parts of solid state alkali, 4-7 parts of organic copolymer and 5-20 parts of water. Compared with prior art, the organic corrosion inhibitor added in the antifreezing solution plays good corrosion delaying effect, stability and foaming characteristic can satisfy the requirement of real usage, and all components in a formula are nontoxic or low-toxicity components, and the components have the advantages of low cost and easy acquisition.

Description

technical field [0001] The invention belongs to the field of antifreeze, and in particular relates to an organic corrosion inhibitor suitable for antifreeze. Background technique [0002] In the research field of antifreeze (also known as coolant) for vehicles, because the research on antifreeze has matured, the main difference of antifreeze lies in the different formulations of corrosion inhibitors. General antifreeze is divided into inorganic antifreeze, inorganic-organic antifreeze and all organic antifreeze according to the difference of corrosion inhibitor additives. Antifreeze with all-organic corrosion inhibitors is characterized by being able to be used stably for 3 years or even longer, reducing maintenance and waste liquid discharge, so it is becoming more and more popular, but the current formula of all-organic antifreeze is less, And there are the disadvantages of high price and high toxicity. Contents of the invention [0003] Purpose of the invention: the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F11/08C09K5/20
Inventor 夏安娜
Owner 夏安娜
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