Water-soluble antirust agent

A kind of anti-rust agent, water-soluble technology, applied in the field of water-soluble anti-rust agent, can solve the problems of high cost, large consumption of oil and raw materials, serious environmental pollution, etc., achieve good wear resistance and anti-rust performance, and long effective period of anti-rust , The effect of simple preparation process

Inactive Publication Date: 2016-04-06
彭国泉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of anti-rust oil not only consumes a large amount of oil raw materials, which increases energy consumption, but also requires cleaning and degreasing in subsequent processing (such as welding, painting, electroplating, assembly) and unsealing, which not only produces a large amount of cleaning oily waste liquid discharge , causing environmental pollution, and cleaning and degreasing is labor-intensive and time-consuming, which will increase the cost
The disadvantages of anti-rust oil are gradually appearing, its cost is high, the environmental pollution is more serious, and the waste liquid treatment is difficult in the later stage, which brings a lot of inconvenience to the use

Method used

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Experimental program
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Effect test

Embodiment 1

[0019] S1. Mix oxalic acid, dicyclohexylamine octanoate, diethanolamine, and antioxidant with a small amount of water in a ratio of 2:10:8:5, and heat to 100 degrees to complete the reaction, to obtain a transparent mixed solution A;

[0020] S2. Add ethanol after cooling the mixed liquid A obtained in S1, adjust the pH to 8-9, continue to add ethanol to mix and stir at a stirring speed of 80 rpm for 2 hours, so that the components in S1 are fully dissolved, and a mixed solution is obtained. Liquid B;

[0021] S3. Adding a surfactant to the mixed solution B obtained in S2, and reacting for 2 hours, then adding water to obtain an aqueous solution of a rust inhibitor.

Embodiment 2

[0023] S1. Mix oxalic acid, dicyclohexylamine caprylate, diethanolamine, and antioxidant with a small amount of water in a ratio of 2:15:8:5, and heat to 100 degrees to complete the reaction, and obtain a transparent mixed solution A;

[0024] S2. Add ethanol after cooling the mixed liquid A obtained in S1, adjust the pH to 8-9, continue to add ethanol to mix and stir at a stirring speed of 80 rpm for 2 hours, so that the components in S1 are fully dissolved, and a mixed solution is obtained. Liquid B;

[0025] S3. Adding a surfactant to the mixed solution B obtained in S2, and reacting for 2 hours, then adding water to obtain an aqueous solution of a rust inhibitor.

Embodiment 3

[0027] S1. Mix oxalic acid, dicyclohexylamine octanoate, diethanolamine, and antioxidant with a small amount of water in a ratio of 3:15:8:5, and heat to 90-110 degrees to complete the reaction to obtain a transparent mixed solution A;

[0028] S2. Add ethanol after cooling the mixed liquid A obtained in S1, adjust the pH to 8-9, continue to add ethanol to mix and stir at a stirring speed of 80 rpm for 2 hours, so that the components in S1 are fully dissolved, and a mixed solution is obtained. Liquid B;

[0029] S3. Adding a surfactant to the mixed solution B obtained in S2, and reacting for 2 hours, then adding water to obtain an aqueous solution of a rust inhibitor.

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Abstract

The invention provides a water-soluble antirust agent. The water-soluble antirust agent is prepared from fatty acid, specific amine, an additive, ethyl alcohol and water. The mass ratio of the fatty acid to the alcohol amine to the additive to the ethyl alcohol to the water is (2-3):(1-15):(5-10):(10-15):(80-100). The fatty acid is selected from one or more of oxalic acid, valeric acid, naphthenic acid, citric acid, benzoic acid, lauric acid, adipic acid, oleic acid and sebacic acid, the apecific amine is selected from one or more of octanoic acid dicyclohexylamine, triethanolamine, diethanol amine and ethanol amine, and the additive is an antioxidant. The antirust valid period of the water-soluble antirust agent is long and can reach 3-6 months; an antirust film is thin and is only tens of microns thick, a follow-up process cannot be influenced even though the antirust film is not removed, and the film can be removed with warm water due to the good film removability of the water-soluble antirust agent; and the water-soluble antirust agent is low in production cost, free of foreign smells and beneficial to environmental protection.

Description

technical field [0001] The invention relates to the field of antirust agents, in particular to a water-soluble antirust agent. Background technique [0002] Metals are sealed between production processes and finished products. In order to prevent surface corrosion, non-painted anti-rust treatment must be carried out, such as applying anti-rust agents on the surface. In the prior art, anti-rust oil on metal surface was used earlier, and a protective oil film was formed on the metal surface through the anti-rust oil to isolate the corrosion of metal by water vapor in the air, so as to achieve a longer period of time. anti-rust. However, the use of anti-rust oil not only consumes a large amount of oil raw materials, which increases energy consumption, but also requires cleaning and degreasing in subsequent processing (such as welding, painting, electroplating, assembly) and unsealing, which not only produces a large amount of cleaning oily waste liquid discharge , causing env...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F11/12C23F11/14
CPCC23F11/126C23F11/142
Inventor 彭国泉
Owner 彭国泉
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