Degreasing agent for cleaning steel plate surface

A degreaser and steel plate technology, applied in the field of detergent compositions, can solve problems such as affecting product quality and unclean surface cleaning of steel plates, and achieve the effects of maintaining stable chemical properties, excellent decontamination ability, and easy wetting

Inactive Publication Date: 2019-07-05
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The automobile coating production line is a continuous production line, the production speed increases rapidly, and there are many types of cleaning, especially with the acceleration of CSP replacing cold-rolled sheets, it is easy to cause the surface of the steel sheet to be cleaned uncleanly, which affects product quality

Method used

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  • Degreasing agent for cleaning steel plate surface
  • Degreasing agent for cleaning steel plate surface
  • Degreasing agent for cleaning steel plate surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～6

[0014] The preparation process of the degreasing agent used to clean the surface of the steel plate is as follows: first add 56-83% deionized water and 4-10% modified sodium disilicate to the container, after stirring evenly, add 8-15% potassium hydroxide , after the potassium hydroxide is fully dissolved, add 2-8% tetrasodium edetate, and finally add 2-6% dodecyl glucoside-tetradecyl glucoside and 1-6% methacryl alcohol polyoxyethylene ether 5%, after being stirred evenly, a degreasing agent for cleaning the surface of steel plates is obtained.

[0015] The components of the degreasing agent used to clean the surface of the steel plate and their weight percentages are shown in Table 1 in Examples 1 to 6:

[0016] Table 1

[0017]

[0018] Embodiment 1~6 obtains the cleaning effect of the degreasing agent used for cleaning the steel plate surface in Table 2:

[0019] Table 2

[0020]

[0021]

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PUM

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Abstract

The invention relates to the field of detergent compounds, in particular to a degreasing agent for a cleaning steel plate surface. The degreasing agent is characterized by comprises, by weight percentage, 8-15% of potassium hydroxide, 4-10% of modified sodium disilicate, 2-8% of ethylenediaminetetraacetic acid tetrasodium salt, 2-6% of lauryl glycoside, 1-5% of methyl propylene alcohol polyoxyethylene ether and the balanced deionized water. The degreasing agent has the advantage that the steel plate surface cleaning efficiency can be significantly improved.

Description

technical field [0001] The invention relates to the field of detergent compositions, in particular to a degreasing agent for cleaning the surface of steel plates. Background technique [0002] The degreasing process is a relatively important pre-treatment link in the automobile painting process. Before the surface adjustment, it must undergo a surface chemical cleaning process to remove oil particles and other surface residues on the metal surface. Into the follow-up process, affecting product quality, the quality of its treatment effect is the key to ensure the quality of the paint film. [0003] The automobile coating production line is a continuous production line, the production speed increases rapidly, and there are many types of cleaning. Especially with the acceleration of CSP replacing cold-rolled sheets, it is easy to cause the surface of the steel sheet to be cleaned uncleanly, which affects the product quality. Contents of the invention [0004] In order to sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G1/19
CPCC23G1/19
Inventor 马颖庞涛程鹏彭浩李江文郎丰军宋建红黄先球
Owner 武汉钢铁有限公司
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