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Plating assistant agent for zinc-aluminum-nickel-rare earth-alloy hot-dip plating and technological method

A rare-earth alloy and hot-dip galvanizing technology, which is applied in hot-dip galvanizing process, metal material coating process, coating, etc., can solve the problem of missing plating on the surface of steel parts and the restriction of hot-dip galvanized aluminum-nickel rare earth alloy layer, etc. problems, to achieve the effect of reducing the generation of zinc slag, preventing splashing of plating solution, and improving activity and utilization

Inactive Publication Date: 2016-08-31
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The zinc-aluminum-nickel rare-earth alloy coating has excellent properties, but the use of the existing plating flux will cause serious missing plating on the surface of steel parts, so that the hot-dip galvanized aluminum-nickel rare-earth alloy coating has been widely used in actual production and application. big limit

Method used

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  • Plating assistant agent for zinc-aluminum-nickel-rare earth-alloy hot-dip plating and technological method
  • Plating assistant agent for zinc-aluminum-nickel-rare earth-alloy hot-dip plating and technological method

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0035] Get 20g of zinc chloride, 15g of ammonium chloride, 6g of stannous chloride, and 0.1g of urotropine; strictly make A solution according to the above-mentioned step one; get ethanol 25g, nonionic surfactant (NP-10) 0.80 G, cationic surfactant (tetradecyl dimethyl benzyl ammonium chloride) 1g; Strictly make B solution (compound active agent) by above-mentioned steps 2;

[0036] Get compound active agent 200mL and add in the 500mL beaker that 200mL A solution is housed, fully stir and make experimental plating flux; This flux formula is: the zinc chloride of 10g / L, the chlorine of 7.5g / L Ammonium chloride, stannous chloride of 3g / L, urotropine of 0.05g / L, ethanol of 12.5g / L, nonionic surfactant of 0.40g / L, cationic surfactant of 0.50g / L, The rest is deionized water.

[0037] According to the hot-dip plating experiment, after using the plating flux, the plating layer on the surface of the steel sheet has the phenomenon of missing plating, and the surface of the plating lay...

experiment example 2

[0039] Get 30g of zinc chloride, 25g of ammonium chloride, 15g of stannous chloride, and 0.1g of urotropine; strictly make A solution according to the above step 1; get 50g of ethanol and 1g of nonionic surfactant (NP-10) respectively , cationic surfactant (tetradecyldimethylbenzyl ammonium chloride) 1.50g; Strictly make B solution (compound active agent) by above-mentioned steps 2;

[0040] Get compound active agent 200mL and add in the 500mL beaker that 200mL A solution is housed, fully stir and make experimental plating flux; This flux formula is: the zinc chloride of 15g / L, the chlorine of 12.5g / L Ammonium chloride, stannous chloride of 7.5g / L, urotropine of 0.05g / L, ethanol of 25g / L, nonionic surfactant of 0.50g / L, cationic surfactant of 0.75g / L, The rest is deionized water.

[0041] According to the hot-dip plating experiment, the quality of the coating on the surface of the steel sheet is good after using the flux, and there is no missing plating phenomenon, and the co...

experiment example 3

[0043]Get 45g of zinc chloride, 30g of ammonium chloride, 20g of stannous chloride, and 0.2g of urotropine; strictly make A solution according to the above-mentioned step one; get ethanol 80g, nonionic surfactant (NP-10) 1.40 G, cationic surfactant (tetradecyl dimethyl benzyl ammonium chloride) 2g; Strictly make B solution (compound active agent) by above-mentioned steps 2;

[0044] Get compound active agent 200mL and add in the 500mL beaker that 200mL A solution is housed, fully stir and make experimental plating flux; This flux formula is: the zinc chloride of 22.5g / L, the chlorine of 15g / L Ammonium chloride, stannous chloride of 10g / L, urotropine of 0.1g / L, ethanol of 40g / L, nonionic surfactant of 0.70g / L, cationic surfactant of 1g / L, and the rest are Deionized water.

[0045] According to the hot-dip plating experiment, the quality of the coating on the surface of the steel sheet is good after using the flux, and there is no missing plating phenomenon, and the coating sur...

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Abstract

The invention provides a plating assistant agent for zinc-aluminum-nickel-rare earth-alloy hot-dip plating and a technological method. The plating assistant agent comprises the following components of an A solution containing zinc chloride, ammonium chloride, stannous chloride and urotropin and a B solution containing ethyl alcohol, a nonionic surfactant and a cationic surfactant, wherein the plating assistant agent is obtained by mixing the A solution and the B solution. By using the plating assistant agent, skip plating can be effectively avoided; and the surface quality of a plating layer is obviously improved; the yield of a plated article is improved; and the corrosion-resistance of the plating layer can be obviously improved. The plating assistant agent does not contain fluorinion which is harmful to the environment, and requirement of environment protection is met.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion technology for iron and steel materials, and relates to the surface coating technology of iron and steel materials, in particular to a special plating flux formulation and a hot-dip plating process suitable for the hot-dip galvanized aluminum-nickel rare earth alloy coating of steel materials. Background technique [0002] Hot-dip galvanizing can significantly improve the ability of steel to resist atmospheric corrosion. It is one of the main means for steel to prevent atmospheric corrosion and has been widely used in engineering. The protective function of the galvanized layer includes: on the one hand, it provides a physical protective barrier for steel to prevent external corrosive media from corroding it; on the other hand, it can be used as a sacrificial anode to provide cathodic protection for steel materials. With the development of science and technology and modern industry, higher ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/02C23C2/06
CPCC23C2/02C23C2/06
Inventor 刘胜林刘超郭茂文刘春荣郑雪萍温久然罗伟华张唯玮
Owner CHANGAN UNIV
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