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Environment-friendly hole sealing liquid for anodic aluminum oxide profiles and hole sealing method thereof

An anodized aluminum, anodic oxidation technology, applied in the direction of surface reaction electrolytic coating, electrolytic coating, coating, etc., to achieve good corrosion resistance, easy operation, and improve the effect of corrosion resistance

Active Publication Date: 2013-08-21
GUANGDONG XINGFA ALUMINUM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above technologies still do not get rid of the environmental pollution problem caused by the use of nickel salt sealant

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Based on the total volume of the environmental sealing solution, 20g / L sodium silicate, 5g / L sodium phytate, 1g / L thiourea and 0.01g / L sodium dodecylsulfonate, the balance is deionized water, Mix to obtain the environmental sealing solution of this embodiment.

Embodiment 2

[0025] Based on the total volume of the environmental sealing solution, 20g / L ethyl silicate, 5g / L phytic acid, 1g / L thiourea, 0.03g / L sodium dodecylsulfonate, and the balance is deionized water. Mix to obtain the environmental sealing solution of this embodiment.

Embodiment 3

[0027] Based on the total volume of the environmental sealing solution, 10g / L ethyl titanate, 2g / L potassium phytate, 0.5g / L thiourea, 0.2g / L sodium dodecylbenzenesulfonate, and the balance is Ionized water is mixed to obtain the environmental sealing solution of this embodiment.

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PUM

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Abstract

The invention relates to an environment-friendly hole sealing liquid for anodic aluminum oxide profiles and a hole sealing method thereof. The environment-friendly hole sealing liquid for anodic aluminum oxide profiles is characterized by comprising the following components based on the total volume: 10-50 g / L of silicate or titanium ethoxide or ethyl silicate, 2-20 g / L of phytic acid or phytate, 0.5-5 g / L of corrosion inhibitor and 0.005-0.2 g / L of anionic surfactant. The hole sealing method of the environment-friendly hole sealing liquid for anodic aluminum oxide profiles is characterized by comprising the step of immersing aluminum oxide profiles which are subject to anodic oxidation into the environment-friendly hole sealing liquid for hole sealing treatment at the treatment temperature of 60-80 DEG C for 10-40 minutes. Sealing holes by using the environment-friendly hole sealing liquid and the hole sealing method thereof is simple, convenient and environment-friendly, and the production energy consumption of aluminum oxide profile industry is reduced.

Description

technical field [0001] The invention relates to the field of surface treatment and utilization of aluminum alloys, in particular to an environment-friendly sealing liquid for anodized aluminum profiles and a sealing method thereof. Background technique [0002] Aluminum alloys are widely surface treated by anodic oxidation to improve their surface hardness and corrosion resistance. Since there are a large number of micropores on the surface of the anodized aluminum alloy film, which reduces its anti-pollution and corrosion resistance, in order to ensure the physical and chemical properties of the anodized aluminum film, appropriate sealing treatment must be carried out. The common micropore sealing method in the prior art There are mainly boiling water (or steam) sealing, nickel salt sealing, polymer resin sealing, etc. The boiling water (or steam) sealing method has high energy consumption and cannot meet the requirements for higher corrosion resistance; the polymer resin ...

Claims

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Application Information

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IPC IPC(8): C25D11/18
Inventor 陈东初叶秀芳李珠梅
Owner GUANGDONG XINGFA ALUMINUM
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