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Plating auxiliary of hot-dipped galvanized aluminum alloy plating layer

A hot-dip galvanizing and aluminum alloy technology, applied in hot-dip plating process, metal material coating process, coating and other directions, can solve the problems of uneven coating, poor surface performance, leakage plating, etc., and achieve good coating finish , Excellent plating effect, uniform coating effect

Inactive Publication Date: 2018-07-20
TIANCHANG FEILONG BRAND STEEL GRID
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, at present, in the process of hot-dip galvanizing aluminum alloy on steel, problems such as uneven coating, poor surface performance, and missing plating are prone to occur.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The plating flux of the hot-dip galvanized aluminum alloy coating of the present invention is made up of following components: zinc chloride 70g / L, aluminum chloride 40g / L, yttrium chloride 5g / L, calcium chloride 16g / L , potassium fluoride 18g / L, stannous chloride 20g / L, ethanol 15g / L, polyoxyethylene alkylated ether 8g / L, N-propyl, N-hydroxyethyl perfluorooctane sulfonamide 0.1g / L, hydrogen peroxide 8g / L, and the balance is water.

Embodiment 2

[0016] The plating flux of the hot-dip galvanized aluminum alloy coating of the present invention is made up of following components: zinc chloride 180g / L, aluminum chloride 10g / L, yttrium chloride 18g / L, calcium chloride 5g / L , potassium fluoride 50g / L, stannous chloride 7g / L, ethanol 50g / L, polyoxyethylene alkylated ether 0.1g / L, N-propyl, N-hydroxyethyl perfluorooctane sulfonamide 6g / L, hydrogen peroxide 1g / L, the balance is water.

Embodiment 3

[0018] The plating flux of the hot-dip galvanized aluminum alloy coating of the present invention is made up of following components: zinc chloride 90g / L, aluminum chloride 30g / L, yttrium chloride 9g / L, calcium chloride 14g / L , potassium fluoride 25g / L, stannous chloride 16g / L, ethanol 22g / L, polyoxyethylene alkylated ether 5g / L, N-propyl, N-hydroxyethyl perfluorooctane sulfonamide 0.3g / L, hydrogen peroxide 7g / L, and the balance is water.

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PUM

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Abstract

The invention discloses a plating auxiliary of a hot-dipped galvanized aluminum alloy plating layer. The plating auxiliary is composed of 70-180 g / L of zinc chloride, 10-40 g / L of aluminum chloride, 5-18 g / L of yttrium chloride, 5-16 g / L of calcium chloride, 18-50 g / L of potassium fluoride, 7-20 g / L of stannous chloride, 15-50 g / L of ethyl alcohol, 0.1-8 g / L of polyoxyethylene alkylation ether, 0.1-6 g / L of N-propyl, N-ethoxyl perfluorooctanesulfonamide, 1-8 g / L of hydrogen peroxide and the balance water. The plating auxiliary of the hot-dipped galvanized aluminum alloy plating layer is environment-friendly in material, excellent in plating auxiliary effect, good in smoothness of plating layer and free of plating leaking.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to a plating flux for a hot-dip galvanized aluminum alloy coating. Background technique [0002] Corrosion of steel products is a very common and serious problem, resulting in a large loss of resources and a great waste of engineering and manufacturing costs. There are more than 50 billion worth of steel products that fail or are discarded due to corrosion every year. Therefore, how to strengthen and improve the anti-corrosion performance of steel products and reduce losses has always been the focus of research in this field. [0003] Traditional steel adopts hot-dip galvanizing protection technology; in order to improve the quality of hot-dip plating, steel is treated with plating flux before hot-dip plating. The specific functions of the fluxing agent include removing impurities such as iron salts remaining on the surface of the steel after pickling, depositing a ...

Claims

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Application Information

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IPC IPC(8): C23C2/06C23C2/02
CPCC23C2/06C23C2/02
Inventor 孙长志
Owner TIANCHANG FEILONG BRAND STEEL GRID
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