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Hole sealing agent, hole sealing process and aluminum alloy product

A sealing agent and hole sealing technology, which is applied in the field of aluminum alloy products and sealing agents, can solve the problem that the sealing agent cannot perform secondary sealing, and achieve anti-pollution effects, good anti-fingerprints, anti-pollution self-purification Effect

Inactive Publication Date: 2017-09-05
SHENZHEN MENGZHIFANG COMM PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a high temperature resistant sealing agent, which aims to solve the problem that the existing sealing agent cannot perform secondary sealing operation

Method used

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  • Hole sealing agent, hole sealing process and aluminum alloy product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1: The preparation of the sealing agent is as follows: calcium acetate, barium acetate, lithium silicate, ammonium acetate, titanium acetate, sodium fluotitanate and sodium dodecylbenzenesulfonate are dispersed in deionized water to form an emulsion. The content of each component in the emulsion is calculated by weight percentage, including: 30% calcium acetate, 8% barium acetate, 5% lithium silicate, 6% ammonium acetate, 9% titanium acetate, 4% sodium fluotitanate, 1.2% dodecanoate Sodium alkylbenzene sulfonate, the balance is water. The sealed storage time of the above sealing agent can reach more than 1 year.

[0044] Dilute the above-mentioned sealing agent into a sealing material solution with a concentration of 12g / L for later use; adjust the pH value of the above-mentioned sealing material solution to 6.0; heat the above-mentioned sealing material solution to 94°C; immerse the pre-treated aluminum alloy product for 15 minutes . That is to make alumin...

Embodiment 2

[0045] Example 2: The composition of the above sealing agent is calculated by weight percentage, including: 20% calcium acetate, 15% barium acetate, 8% lithium silicate, 5% ammonium acetate, 12% titanium acetate, 7% sodium fluotitanate , 1.4% sodium dodecylbenzenesulfonate, other operations are the same as in Example 1. The sealed storage time of the above sealing agent can reach 2 years. In the sealing process, the concentration of the sealing material liquid is 10g / L, the pH value is 5.5; the sealing temperature is 90°C, and the sealing time is 18 minutes, so that the aluminum alloy products can obtain a sealing film with a smooth surface and no powder frost.

Embodiment 3

[0046] Embodiment 3: The composition of above-mentioned sealing agent is calculated by weight percentage, comprises: 20% calcium acetate, 25% barium acetate, 10% lithium silicate, 8% ammonium acetate, 12% titanium acetate, 9% sodium fluotitanate , 4% sodium dodecylbenzenesulfonate, other operations are the same as in Example 1. The sealed storage time of the above sealing agent can reach more than 1 year. In the sealing process, the concentration of the sealing material liquid is 14g / L, the PH value is 6.0; the sealing temperature is 97°C, and the sealing time is 10 minutes, so that the aluminum alloy products can obtain a sealing film with a smooth surface and no powder frost.

[0047] The embodiment of the present invention also proposes an aluminum alloy product, wherein the aluminum alloy product is sealed by the above sealing agent through the above sealing process. The above-mentioned aluminum alloy products have a smooth surface, no powder frost, and no nickel residue,...

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Abstract

The invention discloses a hole sealing agent, a hole sealing process and an aluminum alloy product. The hole sealing agent is emulsion formed by dispersing non nickel-containing inorganic salt in water serving as a solvent, and is prepared from 35 to 45 percent of a main alkaline earth metal acetate hole sealing agent, 5 to 10 percent of an alkaline earth metal acetate stabilizer and 15 to 20 percent of a metal acetate promoter. According to the hole sealing agent, by the adoption of the high-content main alkaline earth metal acetate hole sealing agent, high-temperature hole sealing can be supported, high-temperature and quick hole sealing can be realized, the hole sealing time is shortened, the hole sealing reinforcing effect is also enhanced, and the requirement for closing an oxidized film on the surface of a product. Meanwhile, after the high-temperature hole sealing is carried out, the hole sealing effect is better; and moreover, on the basis of a primary hole sealing process, hole sealing operation is carried out for the second time or multiple times, so that other industrial design requirements can be met after the primary hole sealing is completed.

Description

technical field [0001] The invention relates to the field of surface treatment technology, in particular to a sealing agent, a sealing process and an aluminum alloy product. Background technique [0002] The application range of aluminum alloy products is very wide. The daily contact includes door and window profiles, curtain wall profiles, general profiles, industrial profiles, etc., but aluminum alloy products are easily corroded. In order to avoid corrosion of aluminum alloy products, aluminum alloy products are generally treated by anodic oxidation process. Anodizing technology is to form a dense oxide film on the surface of aluminum alloy to isolate the corrosive medium to protect the aluminum base and other surface decorations. The aluminum alloy after anodic oxidation treatment has the advantages of high hardness, insulation, heat insulation and corrosion resistance. However, anodic oxidation will make the surface of the aluminum alloy present a porous layered struc...

Claims

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Application Information

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IPC IPC(8): C25D11/18
CPCC25D11/18
Inventor 肖佰元李晓杰
Owner SHENZHEN MENGZHIFANG COMM PROD
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