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Novel and efficient structural part hot dip Galfan promotion flux and preparation method and application thereof

A technology of plating flux and structural parts, applied in hot-dip plating process, coating, metal material coating process, etc., can solve the problems of poor uniformity of coating thickness, poor coating brightness, and many zinc bumps, etc., to achieve improved wetting Ability, stable composition, effect of suppressing smoke

Inactive Publication Date: 2018-04-20
TIANJIN ZHENGTIAN MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0041] The present invention proposes in order to overcome the problems such as missed plating, many zinc bumps, many burrs, poor coating brightness and poor coating thickness uniformity existing in the hot-dip Galfan of structural parts in the prior art, and its purpose is to provide a new type of high-efficiency Hot-dip Galfan flux for structural parts

Method used

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  • Novel and efficient structural part hot dip Galfan promotion flux and preparation method and application thereof
  • Novel and efficient structural part hot dip Galfan promotion flux and preparation method and application thereof
  • Novel and efficient structural part hot dip Galfan promotion flux and preparation method and application thereof

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preparation example Construction

[0071] A kind of preparation method of hot-dip Galfan plating flux of novel high-efficiency structure part, comprises the following steps:

[0072] (i) Preparation of alcohol solution

[0073] Weigh a certain amount of rare earth chloride and alcohols in proportion and mix them to form an alcohol solution;

[0074] (ii) Preparation of aqueous solution

[0075] Weigh a certain amount of ammonium chloride in proportion, add a certain amount of water to dissolve it; weigh a certain quality of zinc chloride, add it to the ammonium chloride solution under stirring conditions, and add the remaining required Water, configured as an aqueous solution;

[0076] (iii) Preparation of plating flux

[0077] The alcohol solution obtained in the step (i) is slowly poured into the aqueous solution obtained in the step (ii) under stirring condition, and a new type of high-efficiency structural part hot-plated Galfan flux is obtained.

[0078] Application of a new type of high-efficiency hot...

Embodiment 1

[0081] A kind of preparation method of hot-dip Galfan plating flux of novel high-efficiency structure part, comprises the following steps:

[0082] (i) Preparation of alcohol solution

[0083] Weigh 1kg of rare earth chloride and 11kg of ethanol to mix and configure alcohol solution;

[0084] (ii) Preparation of aqueous solution

[0085] Weigh 10kg of ammonium chloride, add a certain amount of water to dissolve it; weigh 50kg of zinc chloride, add it to the ammonium chloride solution while stirring, and add the remaining required water to form an aqueous solution; The total amount of water added is 28kg;

[0086] (iii) Preparation of plating flux

[0087] The alcohol solution obtained in the step (i) is slowly poured into the aqueous solution obtained in the step (ii) under stirring condition, and a new type of high-efficiency structural part hot-plated Galfan flux is obtained.

[0088] Application of a new type of high-efficiency hot-dip Galfan flux for structural parts, ...

Embodiment 2

[0090] A kind of preparation method of hot-dip Galfan plating flux of novel high-efficiency structure part, comprises the following steps:

[0091] (i) Preparation of alcohol solution

[0092] Weigh 0.1kg of rare earth chloride and 3kg of propanol and mix to form an alcoholic solution;

[0093] (ii) Preparation of aqueous solution

[0094] Weigh 2kg of ammonium chloride, add a certain amount of water to dissolve it; weigh 40kg of zinc chloride, add it to the ammonium chloride solution under stirring, and add the remaining required water to form an aqueous solution; The total addition of water is 54.9kg;

[0095] (iii) Preparation of plating flux

[0096] The alcohol solution obtained in the step (i) is slowly poured into the aqueous solution obtained in the step (ii) under stirring condition, and a new type of high-efficiency structural part hot-plated Galfan flux is obtained.

[0097] Application of a new type of high-efficiency hot-dip Galfan flux for structural parts, u...

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Abstract

The invention discloses novel and efficient structural part hot dip Galfan promotion flux and preparation method and application thereof. The promotion flux includes zinc chloride, ammonium chloride,alcohol, rare earth chloride and water. The preparation method of the novel and efficient structural part hot dip Galfan promotion flux includes the following steps that (1), preparation of an alcoholic solution, (2), preparation of an aqueous solution, and (3), preparation of the promotion flux. According to the novel and efficient structural part hot dip Galfan promotion flux, the rare earth chloride is added to the promotion flux, halogen compounds are led in, generation of A1c13 smoke is effectively restrained, the rare earth element has surface activity, wettability on the surface of steel substrate is increased, the phenomenon of skip plating is effectively reduced, and an ideal coating layer is obtained accordingly.

Description

technical field [0001] The invention belongs to a plating flux for hot-dip Galfan, in particular to a novel high-efficiency structural member hot-plating Galfan flux and a preparation method and application thereof. Background technique [0002] The flux method is to use the plating flux to clean the metal surface that has been treated before (degreasing and rust removal), so as to protect the steel surface from being oxidized before entering the galvanizing pot. The use of flux is a chemical method that activates the surface of the steel and forms an alloy layer between the coating and the substrate through a diffusion mechanism. [0003] The flux method hot-dip plating process is divided into single plating method and double plating method. The process flow of the double plating method is roughly: setting off → degreasing (NaOH 80°C) → water washing → pickling (HCl, room temperature) → water washing → plating flux treatment →Hot-dip galvanizing→Hot-dip Galfan alloy platin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/02C23C2/06
Inventor 乔腾波
Owner TIANJIN ZHENGTIAN MEDICAL INSTR CO LTD
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