A kind of neutral environment-friendly metal degreasing and descaling cleaning solution and preparation method thereof

A technology of oxide skin and cleaning fluid, which is applied in the field of metal surface cleaning to achieve the effects of low cost, simple and easy discharge, and friendly working environment

Active Publication Date: 2018-06-22
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems existing in the prior art, and fully considering the cost, operability, safety and environmental protection and other issues, the present invention provides a neutral and environment-friendly metal degreasing and descaling cleaning solution

Method used

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  • A kind of neutral environment-friendly metal degreasing and descaling cleaning solution and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A neutral environment-friendly metal degreasing and descaling cleaning solution is prepared by the following method, taking the preparation of 1000mL cleaning solution as an example:

[0035] (1) 15.0g sodium citrate is added in the container that 500mL distilled water is housed, stirs until dissolving completely, obtains sodium citrate solution;

[0036] (2) Add 10.0g of surfactant APG, 18.0g of LAS, 8.0g of FMEE, and 2.0g of penetrant JFC to the sodium citrate solution in step (1) in sequence, and stir to dissolve. Add the next ingredient;

[0037](3) After the surfactants in step (2) are all dissolved completely, add organic solvent TEA12.0g, PEG-40010.0g to the solution, stir until completely dissolved, and the solution is transparent and uniform; then add EDTA-2Na10.0g, stir until Completely dissolved to obtain a mixed solution;

[0038] (4) Dissolve 1.0g of sodium alginate in 200mL of distilled water first to obtain a sodium alginate solution; then add the solut...

Embodiment 2

[0044] A neutral environment-friendly metal degreasing and descaling cleaning solution is prepared by the following method, taking the preparation of 1000mL cleaning solution as an example:

[0045] (1) Add 10.0 g of sodium citrate and 4 g of sodium borate into a container with 500 mL of distilled water, and stir until completely dissolved to obtain a salt solution;

[0046] (2) Add 20.0g of surfactant CAB (35wt%), 20.0g of LAS, and 2.0g of penetrant JFC to the salt solution in step (1) successively, stir and dissolve, add each component after it is completely dissolved the next ingredient;

[0047] (3) After the surfactants in step (2) are completely dissolved, add organic solvent TEA15.0g, PEG-40012.0g to the solution, stir until completely dissolved, and the solution is transparent and uniform; then add EDTA-2Na8.0g, gluconic acid Sodium 10.0g, stirred until completely dissolved to obtain a mixed solution;

[0048] (4) Dissolve 1.5g of CMC in 200mL of distilled water firs...

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Abstract

The invention belongs to the technical field of metal surface cleaning, and discloses a neutral environment-friendly metal oil removal and scale removal cleaning fluid and a preparation method thereof. The cleaning fluid consists of salts, a surfactant, an organic solvent, a complexing agent, a thickening agent, a bactericide and water, wherein the organic solvent consists of more than one of diethanol amine, triethanolamine and polyethylene glycol 400. The cleaning fluid is free of volatile harmful components, so that dangers of burning and explosion can be avoided; the cleaning fluid is neutral, so that an operator requires no special safety facilities in a using process, acid mist can be avoided during working, and the cleaning fluid has little corrosion to equipment; neither the surface morphology nor the dimensional precision of spare parts can be affected; the cleaning fluid is stable in chemical property, so that storage and transportation are facilitated, the technological operation is simple and convenient, the cost is low, and industrialization is easy to realize; and the cleaning efficiency of the cleaning fluid is high.

Description

technical field [0001] The invention belongs to the technical field of metal surface cleaning, relates to a cleaning agent, in particular to a neutral and environment-friendly cleaning solution suitable for degreasing and descaling of metal components and a preparation method thereof. Background technique [0002] Metal components are an integral and important part of production in all walks of life. In the manufacturing process of various components from metal raw materials to finished products, they must go through processes such as forming, cutting, grinding, storage and transportation, and assembly. During the stay of metal parts between processes, necessary protective measures need to be taken. The more commonly used protective method is to immerse the workpiece in oil to isolate the workpiece from contact with oxygen and water vapor in the air to prevent oxidation and corrosion of the workpiece. When the next processing procedure is carried out, the workpiece needs to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/24
CPCC23G1/24
Inventor 穆松林陆思茗柏芊芊李文芳杜军
Owner SOUTH CHINA UNIV OF TECH
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