A high anti-corrosion electric arc spraying pure zinc coating sealing agent and its preparation process and application

An arc spraying and sealing agent technology, applied in metal material coating process, coating, melting spraying and other directions, can solve the shrinkage of inorganic sealing agent during solidification, poor sealing effect of coating, and inability to achieve sealing. pore depth and other issues, to achieve good sealing effect, improve corrosion resistance, and reduce porosity.

Inactive Publication Date: 2017-03-29
HEBEI UNIV OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the problem that the organic resin sealing agent in the existing traditional electric arc spraying pure zinc coating sealing technology cannot reach the effective sealing depth, and the inorganic sealing agent shrinks during the solidification process, resulting in a decrease in the sealing density , poor sealing effect of the coating, etc.

Method used

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  • A high anti-corrosion electric arc spraying pure zinc coating sealing agent and its preparation process and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A high anti-corrosion arc spraying pure zinc coating sealing agent, based on 1 liter of the sealing agent, including the following components, phytic acid 3 g / L, sodium molybdate 5 g / L, sodium silicate 55 g / liter, benzimidazole 2 g / liter, the balance is water.

[0041] The sealant is formulated as follows:

[0042] 1) Add benzimidazole to 100ml of water and mix well;

[0043] 2) Slowly add sodium silicate and mix well;

[0044] 3) Then add sodium molybdate and mix well;

[0045] 4) Add phytic acid and mix well;

[0046] 5) Finally, slowly add water to reach the reference volume, and mix well to complete the preparation of the sealing agent.

[0047] The application of high anti-corrosion arc spraying pure zinc coating sealing agent,

[0048] Wash the parts with arc-sprayed pure zinc coating with water at a temperature of 30 °C, and then remove the moisture on the surface of the parts;

[0049] Then, by immersion, the parts with the arc sprayed pure zinc coatin...

Embodiment 2

[0052] A high anti-corrosion arc spraying pure zinc coating sealing agent, based on 1 liter of the sealing agent, including the following components, phytic acid 2 g / L, sodium molybdate 3 g / L, sodium silicate 45 g / liter, benzimidazole 2 g / liter, the balance is water.

[0053] The sealant is formulated as follows:

[0054] 1) Add benzimidazole to 100ml of water and mix well;

[0055] 2) Slowly add sodium silicate and mix well;

[0056] 3) Then add sodium molybdate and mix well;

[0057] 4) Add phytic acid and mix well;

[0058] 5) Finally, slowly add water to reach the reference volume, and mix well to complete the preparation of the sealing agent.

[0059] The application of high anti-corrosion arc spraying pure zinc coating sealing agent,

[0060] Wash the parts with the pure zinc coating by arc spraying, choose the temperature of the water to be 40℃, and then remove the moisture on the surface of the parts;

[0061] Then, by immersion, the parts with the arc spraye...

Embodiment 3

[0064] A high anti-corrosion arc spraying pure zinc coating sealing agent, based on 1 liter of the sealing agent, including the following components, phytic acid 4 g / L, sodium molybdate 6 g / L, sodium silicate 55 g / liter, benzimidazole 4 g / liter, the balance is water.

[0065] The sealant is formulated as follows:

[0066] 1) Add benzimidazole to 100ml of water and mix well;

[0067] 2) Slowly add sodium silicate and mix well;

[0068] 3) Then add sodium molybdate and mix well;

[0069] 4) Add phytic acid and mix well;

[0070] 5) Finally, slowly add water to reach the reference volume, and mix well to complete the preparation of the sealing agent.

[0071] The application of high anti-corrosion arc spraying pure zinc coating sealing agent,

[0072] Wash the parts with arc-sprayed pure zinc coating with water at a temperature of 45°C, and then remove the moisture on the surface of the parts;

[0073] Then, by immersion, the parts with the arc sprayed pure zinc coating...

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Abstract

The invention discloses a high corrosion resistant electric arc spraying pure zinc coating hole sealing agent. 1 liter of the hole sealing agent comprises the following components: 2-4g of phytic acid, 3-6g of sodium molybdate, 45-55g of sodium silicate, 2-4g of benzimidazole, and the balance water. The invention also discloses a preparation method and application of the hole sealing agent. The hole sealing agent provided by the invention can be used for hole sealing treatment on an electric arc spraying pure zinc coating, and after hole sealing treatment by the hole sealing agent, a chemical oxide film can be formed on the surface by combination so as to significantly reduce the porosity of the electric arc spraying pure zinc coating and improve the corrosion resistance ability of the electric arc spraying pure zinc coating, and the hole sealing agent is environment-friendly and pollution-free.

Description

technical field [0001] The invention relates to a coating hole sealing agent, a preparation process and application thereof, in particular to a high corrosion-resistant electric arc spraying pure zinc coating hole sealing agent, a preparation technology and application thereof. Background technique [0002] With the development of modern surface technology, thermal spray coatings with high performance and price ratio have been widely used. In particular, arc spraying technology is a technology with low cost, high efficiency, energy saving, flexible operation, stable coating quality and high coating bonding strength. It has developed rapidly in China in recent years. The preconditions lay the foundation for its popularization and application in a wider field. The arc spraying technology is becoming more and more mature. At present, various composite coatings such as pure aluminum, pure zinc or Al-Mg, Al-Zn are mainly based on steel plates at home and abroad, and are widely u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/131C23C4/18C23C4/08
CPCC23C4/18
Inventor 李丽邢士波李晓刚董超芳
Owner HEBEI UNIV OF ENG
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