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Water-based cleaning agent

A water-based cleaning agent and dispersing agent technology, which is applied in the field of metal material cleaning, can solve the problems of environmental hazards, inability to effectively clean solid residues, and inability to meet the non-halogenation standard of surface ion pollution products, and achieve the effect of strong water solubility.

Inactive Publication Date: 2018-05-11
饶鑫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing cleaning agents cannot effectively clean the solid residue after welding at high temperature (>500°C), and the inspection standard cannot be reached after repeated cleaning, and some cleaning agents use a large amount of organic solvents, which not only cannot reach the surface Ion pollution and product halogen-free standard requirements, but also cause greater harm to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of water-based cleaning agent of the present embodiment comprises the following raw materials in parts by weight:

[0020] Lauryl dimethyl ammonium oxide 1.5 parts Monoethanolamine 2.5 parts

[0021] Sodium hydroxide 6 parts Triethanolamine oleate 2 parts

[0022] Dispersant 0.6 parts Activator 0.3 parts

[0023] 90 parts of deionized water.

[0024] The dispersant described in this example is THASD-200.

[0025] The activator described in this embodiment is sulfuric acid.

Embodiment 2

[0027] A kind of water-based cleaning agent of the present embodiment is characterized in that comprising the following raw materials in parts by weight:

[0028] Lauryl dimethyl ammonium oxide 1 part Monoethanolamine 3 parts

[0029] Sodium hydroxide 5 parts Triethanolamine oleate 3 parts

[0030] Dispersant 0.5 parts Activator 0.4 parts

[0031] 100 parts of deionized water.

[0032] The dispersant described in this example is THASD-200.

[0033] The activator described in this embodiment is sulfuric acid.

Embodiment 3

[0035] A kind of water-based cleaning agent of the present invention comprises the raw material of following weight portion:

[0036] Lauryl dimethyl ammonium oxide 2 parts Monoethanolamine 2 parts

[0037] Sodium hydroxide 8 parts Triethanolamine oleate 1 part

[0038] Dispersant 0.8 parts Activator 0.2 parts

[0039] 80 parts of deionized water.

[0040] The dispersant described in this example is THASD-200.

[0041] The activator described in this embodiment is sulfuric acid.

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PUM

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Abstract

The invention discloses a water-based cleaning agent. The water-based cleaning agent comprises the following raw materials including, by weight, 1-2 parts of N,N-dimethyldodecylamine-N-oxid, 2-3 partsof monoethanolamine, 5-8 parts of sodium hydroxide, 1-3 parts of triethanolamine oleate, 0.5-0.8 part of dispersing agent, 0.2-0.4 part of activating agent and 80-100 parts of deionized water. The water-based cleaning agent is applicable to solid residues, obtained after high-temperature welding, of the metal surface, corrosion to the metal surface is avoided, water solubility is high, no residueexists on the surface after cleaning is carried out, and it is ensured that after a welding part is cleaned, the ion content reaches the standard.

Description

technical field [0001] The invention relates to the technical field of metal material cleaning, in particular to a water-based cleaning agent. Background technique [0002] In the electronic assembly industry, the components used, especially the electromagnetic components, must meet the halogen-free standard stipulated in IEC61249-2-21 after welding, that is, the bromine and chlorine content are required to be less than 900ppm respectively, and the total content of bromine and chlorine is less than 1500ppm. However, the existing cleaning agents cannot effectively clean the solid residue after welding at high temperature (>500°C), and the inspection standard cannot be reached after repeated cleaning, and some cleaning agents use a large amount of organic solvents, which not only cannot reach the surface Ion pollution and product halogen-free standard requirements, but also cause greater harm to the environment. [0003] The cleaning agent provided by the invention can sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G1/14
CPCC23G1/14
Inventor 饶鑫
Owner 饶鑫
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