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Novel hot galvanizing flux and using method thereof

A technology of plating flux and hot-dip galvanizing, which is applied in hot-dip plating process, coating, metal material coating process, etc., can solve the problems such as adverse effects of plating flux, achieve low cost, high efficiency, and small environmental pollution Effect

Active Publication Date: 2020-05-29
ZHUZHOU CHUANGLIN ALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the two main components of the flux are reduced or not used, it will inevitably have a negative impact on the effect of the flux

Method used

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  • Novel hot galvanizing flux and using method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0057] A kind of novel hot-dip galvanizing flux of the present invention is made up of following composition and proportioning:

[0058] Zinc chloride 100g / L,

[0059] Potassium chloride 10 g / L,

[0060] Nickel fluoride 8 g / L,

[0061] Gemini-12-2-12 0.05 g / L,

[0062] Hydroxylamine Hydrochloride 0.8 g / L,

[0063] Citric acid 1.0 g / L,

[0064] C4F9N(CH3)3I 0.5 g / L,

[0065] The rest is water, PH value 3.0, temperature 65°C, the steel substrate is soaked in flux for 5 minutes, taken out and placed in the air, and then galvanized after 8 minutes of natural drying.

Embodiment 2

[0067] An environment-friendly and high-efficiency hot-dip galvanizing fluxing agent of the present invention consists of the following components and proportions:

[0068] Zinc chloride 80g / L,

[0069] Potassium chloride 20 g / L,

[0070] Nickel Fluoride 12 g / L,

[0071] Gemini-14-3-14 0.30 g / L,

[0072] Hydrazine hydrate 1.5 g / L,

[0073] Tartaric acid 0.5 g / L,

[0074] FCI-2 0.2 g / L,

[0075] The rest is water, the pH value is 2.0, the temperature is 75°C, the steel substrate is soaked in the flux for 4 minutes, taken out and placed in the air, and then galvanized after 15 minutes of natural drying.

Embodiment 3

[0077] An environment-friendly and high-efficiency hot-dip galvanizing fluxing agent of the present invention consists of the following components and proportions:

[0078] Zinc chloride 60g / L,

[0079] Potassium chloride 30 g / L,

[0080] Nickel fluoride 20 g / L,

[0081] Gemini-16-3-16 0.25 g / L,

[0082] Sodium borohydride 2.0 g / L,

[0083] Citric acid 0.6 g / L,

[0084] FCI-2 0.8 g / L,

[0085] The rest is water, with a pH value of 2.5 and a temperature of 70°C. The steel substrate is soaked in the flux for 6 minutes, taken out and placed in the air, and then galvanized after 10 minutes of natural drying.

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Abstract

The invention relates to a novel hot galvanizing flux and a use method thereof. The novel hot galvanizing flux is prepared by taking zinc chloride, potassium chloride, nickel fluoride, a passivator, adeoxidant, a complexing agent, a flux film thickness control agent and water as components; every 1L (liter) of plating assistant is prepared from the following components by weight, 50 to 100g of zinc chloride, 10 to 40g of potassium chloride, 5 to 30g of nickel fluoride, 0.05 to 0.50 g of passivator, 0.5 to 2.0 g of deoxidant, 0.5 to 1.0 g of complexing agent, 0.2 to 1.0 g of plating assistantthickness control agent and the balance of water, and the components are mixed to be prepared into 1 liter of solution, and the plating assistant is formed. Through the synergistic effect of all the components and process conditions of the plating assistant agent, a good plating assistant effect is achieved; during use, heating and drying are not needed, the dosage is only less than half of that of a zinc ammonium chloride plating aid, smoke is less, the problem that a zinc coating is ultra-thick is solved, and the zinc coating is smooth in surface, free of skip plating, low in cost and good in quality.

Description

technical field [0001] The present invention relates to a chemical additive and its use method, in particular to a hot-dip galvanizing flux and its use method, the hot-dip galvanizing flux and its method are mainly used in hot-dip galvanizing Zinc belongs to the technical field of hot-dip galvanizing of iron and steel materials. The present invention achieves a good plating effect through the synergistic effect of each component of the plating flux and the process conditions; it does not need to be heated and dried in use, and the dosage is only less than half of that of zinc ammonium chloride flux, with less smoke, and solves the problem of The problem of super-thick galvanized layer is solved, the surface of galvanized layer is smooth and clean, no missing plating, low cost and good quality. Background technique [0002] Steel is a general term for iron-carbon alloys with a carbon content between 0.02% and 2.11% by mass. In addition to carbon, steel also contains impurit...

Claims

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Application Information

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IPC IPC(8): C23C2/06C23C2/02C23C22/50
CPCC23C2/02C23C2/06C23C22/50
Inventor 周林李实秾周业翔
Owner ZHUZHOU CHUANGLIN ALLOY
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