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Flux material composition and preparation method of flux

A technology of material composition and flux, applied in the direction of welding/cutting medium/material, welding equipment, welding medium, etc., can solve problems such as general effect of flux, general anti-oxidation performance of solder, general anti-oxidation effect, etc., to achieve Improve the performance of flux, reduce the melting point of flux, and increase the effect of dissolving ability

Active Publication Date: 2021-04-09
湖北省哈福生物化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of using the existing flux, it is easy to produce toxic and harmful substances, which is easy to cause environmental pollution. At the same time, the anti-oxidation effect of the existing flux is general, which makes the anti-oxidation performance of the solder general, so that the use effect of the flux is general. For this reason, we propose a preparation method of flux material composition and flux to solve the above problems

Method used

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  • Flux material composition and preparation method of flux

Examples

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Embodiment 1

[0023] Example 1: Please refer to figure 1 , the invention discloses a preparation method of a flux material composition and a flux, comprising the following steps:

[0024] S1. Weighing of raw materials: 30 parts of water-based acrylic resin, 10 parts of triethanolamine, 20 parts of melamine formaldehyde resin, 0.5 parts of film forming agent, 5.5 parts of solvent, 5 parts of active agent, 0.3 parts of corrosion inhibitor, 5 parts of lithium chloride , 6 parts of zinc dichloride and 3 parts of dispersant.

[0025] S2. Preparation of mixed material A: put the triethanolamine, solvent and zinc dichloride in step S1 into a container, heat and stir until fusion, the heating temperature is 50°C, and the stirring speed is 300r / min. Time is 25min, obtains required mixed material A, and solvent is methanol, for subsequent use;

[0026] S3. Preparation of mixed material B: Add water-based acrylic resin and melamine formaldehyde resin weighed according to the mass fraction in step S1...

Embodiment 2

[0029] Example 2: Please refer to figure 1 , the invention discloses a preparation method of a flux material composition and a flux, comprising the following steps:

[0030] S1. Weighing of raw materials: 32 parts of water-based acrylic resin, 15 parts of triethanolamine, 28 parts of melamine formaldehyde resin, 1.2 parts of film forming agent, 8 parts of solvent, 6 parts of active agent, 0.4 part of corrosion inhibitor, 5.5 parts of lithium chloride , 8 parts of zinc dichloride and 4 parts of dispersant.

[0031] S2. Preparation of mixed material A: put the triethanolamine, solvent and zinc dichloride in step S1 into a container, heat and stir until fusion, the heating temperature is 52°C, and the stirring speed is 350r / min. The time is 20min, obtains required mixed material A, and solvent is the mixture of ethyl acetate, Virahol, glycol and propylene glycol, for subsequent use;

[0032] S3. Preparation of mixed material B: Add water-based acrylic resin and melamine formald...

Embodiment 3

[0035] Example 3: Please refer to figure 1 , the invention discloses a preparation method of a flux material composition and a flux, comprising the following steps:

[0036] S1. Weighing of raw materials: 35 parts of water-based acrylic resin, 20 parts of triethanolamine, 30 parts of melamine formaldehyde resin, 1.5 parts of film forming agent, 10 parts of solvent, 7 parts of active agent, 0.5 parts of corrosion inhibitor, 6 parts of lithium chloride , 8 parts of zinc dichloride and 5 parts of dispersant.

[0037] S2. Preparation of mixed material A: put the triethanolamine, solvent and zinc dichloride in step S1 into a container, heat and stir until fusion, the heating temperature is 55°C, and the stirring speed is 300 / min. The time is 25min, the required mixture material A is obtained, the solvent is glycol, and it is set aside;

[0038] S3. Preparation of mixed material B: Add water-based acrylic resin and melamine formaldehyde resin weighed according to the mass fraction...

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Abstract

The invention discloses a flux material composition and a preparation method of flux. The preparation method comprises the step of weighing the following raw materials including 30-35 parts of aqueous acrylic resin, 10-20 parts of triethanolamine, 20-30 parts of melamine formaldehyde resin, 0.5-1.5 parts of a film-forming agent, 5.5-10 parts of a solvent, 5-7 parts of an active agent, 0.3-0.5 part of a corrosion inhibitor, 5-6 parts of lithium chloride, 6-8 parts of zinc dichloride and 3-5 parts of a dispersant. According to the preparation method, by adding the solvent, the film-forming agent, the active agent and the corrosion inhibitor, the dissolving capacity of the solvent to active substances and the film-forming agent is improved, the flux gives full play to the activation effect and the film-forming effect, and the lithium chloride can play a role in enhancing wettability and reducing the melting point of the flux. The preparation method is simple in step, convenient to operate and control, stable in quality, high in production efficiency and low in production cost; and by means of the preparation method, it can be ensured that all material components are fully mixed, and the performance of the flux is further improved.

Description

technical field [0001] The invention relates to the technical field of welding materials, in particular to a flux material composition and a preparation method of the flux. Background technique [0002] Flux is usually a mixture of rosin as the main component. It is an auxiliary material to ensure the smooth progress of the welding process. Welding is the main process in electronic assembly. Flux is an auxiliary material used in welding. The main function of flux is to remove solder and The oxide on the surface of the base metal to be welded makes the metal surface reach the necessary cleanliness, it prevents the surface from re-oxidizing during welding, reduces the surface tension of the solder, improves the welding performance, and the performance of the flux directly affects the quality of electronic products , with the rapid development of industrial production, the requirements for welding effects are getting higher and higher, which makes the requirements for welding m...

Claims

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Application Information

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IPC IPC(8): B23K35/36B23K35/363
CPCB23K35/3612B23K35/362
Inventor 陈勇
Owner 湖北省哈福生物化学有限公司
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