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Aluminum material alkaline etching additive and preparation method thereof

A technology of alkaline corrosion additives and aluminum materials, applied in electrolytic coatings, surface reaction electrolytic coatings, coatings, etc., can solve problems such as uneven corrosion, excessive corrosion, and large quantities, and achieve simple use, easy operation, and simple operation Effect

Pending Publication Date: 2022-04-01
佛山市顺德区美硕金属表面技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an aluminum material alkali corrosion additive and its preparation method to solve the phenomenon of uneven corrosion and excessive corrosion of aluminum materials during alkali corrosion in the prior art, and a large amount of aluminum is produced due to alkali corrosion. Ions, so that the alkaline etching tank will generate a large amount of sediment

Method used

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  • Aluminum material alkaline etching additive and preparation method thereof
  • Aluminum material alkaline etching additive and preparation method thereof
  • Aluminum material alkaline etching additive and preparation method thereof

Examples

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Embodiment 1

[0029] An aluminum material alkali corrosion additive, in parts by mass, the content of each component is as follows:

[0030]

Embodiment 2

[0032] An aluminum material alkali corrosion additive and a preparation method thereof, in parts by mass, the content of each component is as follows:

[0033]

[0034]

Embodiment 3

[0036] An aluminum material alkali corrosion additive and a preparation method thereof, in parts by mass, the content of each component is as follows:

[0037]

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PUM

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Abstract

The invention relates to an aluminum material alkali corrosion additive and a preparation method thereof, and the aluminum material alkali corrosion additive comprises the following components in parts by mass: 170-230 parts of an organic complexing agent, 25-50 parts of an inorganic complexing agent, 40-70 parts of a scale inhibitor, 20-30 parts of glycerol, 40-80 parts of sulfide and 540-705 parts of deionized water. The preparation method comprises the following steps: step 1, weighing materials; step 2, mixing and stirring; according to the aluminum material alkali corrosion additive and the preparation method thereof, the obtained product is used for aluminum material alkali corrosion and has a good auxiliary effect during aluminum material alkali corrosion, the phenomena of non-uniform corrosion and excessive corrosion cannot occur when oil stains and an oxide layer on the surface of an aluminum material are removed through alkali corrosion, a uniform and consistent matrix surface layer can be obtained, and the corrosion resistance of the aluminum material is improved. And smooth anodic oxidation is ensured.

Description

technical field [0001] The invention relates to the technical field of surface treatment, in particular to an aluminum material alkali corrosion additive and a preparation method thereof. Background technique [0002] At present, most aluminum materials need to undergo anodic oxidation or electrolytic coloring treatment in the production process, and the alkali etching process in the pretreatment is the key step to obtain a good surface. Alkali etching is an important process in anodizing aluminum materials, and its purpose is to remove The oil stain and oxide layer on the surface of the aluminum material completely expose the substrate so that the anodization can proceed smoothly. The quality of the alkali etching determines the surface quality of the anodized aluminum material to a large extent. [0003] However, the existing aluminum materials will be corroded unevenly and excessively corroded during alkali etching, and a large amount of aluminum ions will be generated du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F1/36C25D11/16
Inventor 文丰正陶茂龙
Owner 佛山市顺德区美硕金属表面技术有限公司
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