Multifunctional assistant plating additive for hot dip plating process, preparation and use method thereof

A metal technology, multi-functional technology, applied in hot dip plating process, metal material coating process, coating and other directions, can solve the problems of single function, less than ideal effect, and limited application range.

Active Publication Date: 2008-12-24
JIANGSU FEITUO INTERFACE ENG TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These three patents have improved the flux solution, but there are still problem

Method used

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  • Multifunctional assistant plating additive for hot dip plating process, preparation and use method thereof
  • Multifunctional assistant plating additive for hot dip plating process, preparation and use method thereof
  • Multifunctional assistant plating additive for hot dip plating process, preparation and use method thereof

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Embodiment Construction

[0040] The composition of flux solution for hot-dip galvanized aluminum is similar to that of hot-dip galvanized aluminum, and the dipping process of hot-dip galvanized aluminum is the same as that of hot-dip galvanized, so it is suitable for hot-dip galvanized, hot-dip galvanized For three processes, two different flux solutions were prepared for adhesion uniformity experiments, and hot-dip galvanizing and hot-dip aluminum were selected for field experiments. The innovative point of the present invention is reflected through the adhesion uniformity test and the hot-dip galvanizing and hot-dip aluminum field experiments.

[0041] The hot-dip galvanizing flux solution is an aqueous solution of 17.5 wt.% ammonium chloride and 12.5 wt.% zinc chloride. The hot-dip galvanized aluminum and hot-dip aluminum flux solutions are aqueous solutions of 6 wt.% potassium zirconate fluoride, 2 wt.% aluminum fluoride, 4 wt.% potassium fluoride and 4 wt.% sodium chloride. The addition amount o...

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Abstract

The invention relates to a multifunctional plating assisting additive for a hot dipping metallization process and a preparation and application method thereof, and belongs to the metal material anticorrosive technical field for providing multiple plating assisting efficacy. The technical proposal of the invention comprises that: a plurality of cations or an amphoteric surfactant ( an equivalent concentration of a quaternary ammonium group is between 0.1 and 2 mol/L) and nonionics (an equivalent concentration of a polyoxyethylene group is between 0.5 and 5 mol/L) are dissolved in deionized water. The method can improve the wetting quality between a liquid-state metal and a workpiece, and the adhesive uniformity and continuity of the plating assisting additive, reduces the drying time, prevents the liquid-state metal from falling and splashing, shortens the dipping and plating time, saves raw materials, improves a residue form, reduces an ash content, increases an ash discharge speed, isolates air, stops oxidation, disperses residual dirt and is suitable for a plurality of processes of hot galvanizing, hot plating zinc-aluminum alloy, hot plating aluminum, etc. The preparation steps comprise dissolution, cubage determination, cooling, keeping stand and filling; when the multifunctional plating assisting additive is used, the multifunctional plating assisting additive is directly added into a plating assisting additive solution and is evenly stirred.

Description

technical field [0001] The invention relates to a multifunctional plating aid additive for hot-dip metal plating process and a preparation and use method thereof, belonging to the technical field of metal material anticorrosion. Background technique [0002] Coating other metal or non-metal protective layers on the surface of metal materials can effectively prevent the corrosion of base metal materials. The hot-dip metal plating process, including hot-dip galvanizing, hot-dip galvanized aluminum alloy, and hot-dip aluminum plating, mostly adopts the solvent method. The principle is to immerse the workpiece in the molten metal to be plated, lift the workpiece, and its surface will be ready after cooling. Covered with a thin layer of coating, the corrosion resistance is greatly improved, materials and resources can be saved, and good economic and environmental benefits can be exerted. The quality of the coating directly affects the corrosion resistance. Therefore, before the ...

Claims

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Application Information

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IPC IPC(8): C23C2/00
Inventor 周汉涛
Owner JIANGSU FEITUO INTERFACE ENG TECH CO LTD
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