Anti-corrosion flux and preparation method thereof

A flux and anti-corrosion technology, applied in the direction of welding equipment, welding medium, manufacturing tools, etc., can solve problems such as the influence of flux performance

Inactive Publication Date: 2016-08-17
李孟平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But does not contain rosin, its

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Anti-corrosion flux, including the following raw materials in parts by weight: 150 parts of rosin, 60 parts of glycerin, 30 parts of isobutanol, 50 parts of ethylene glycol, 55 parts of isopropanol, 1,2-cyclohexanediol diglycidyl 15 parts of ether, 60 parts of phenoxyethanol, 15 parts of gluconic acid, 40 parts of methyl cellulose, 5 parts of sodium pyrophosphate, 30 parts of tripropylene glycol butyl ether, 12 parts of benzotriazole, 80 parts of ergosterol, peanut oil modified 45 parts of non-toxic acrylic resin, 50 parts of hydroquinone, 25 parts of sodium stearate, and 1 part of sodium dodecylbenzenesulfonate.

[0018] The preparation method of the above-mentioned anti-corrosion flux comprises the following steps: mixing glycerin, isobutanol, ethylene glycol, and isopropanol evenly, heating to 74°C, adding tripropylene glycol butyl ether, benzotriazole, Ergosterol, peanut oil modified acrylic resin, hydroquinone sodium stearate, sodium dodecylbenzenesulfonate, stirre...

Embodiment 2

[0021] Anti-corrosion flux, including the following raw materials in parts by weight: 100 parts of rosin, 50 parts of glycerin, 10 parts of isobutanol, 20 parts of ethylene glycol, 50 parts of isopropanol, 1,2-cyclohexanediol diglycidyl 10 parts of ether, 50 parts of phenoxyethanol, 10 parts of gluconic acid, 20 parts of methyl cellulose, 1 part of sodium pyrophosphate, 20 parts of tripropylene glycol butyl ether, 10 parts of benzotriazole, 50 parts of ergosterol, modified peanut oil 40 parts of non-toxic acrylic resin, 40 parts of hydroquinone, 20 parts of sodium stearate, and 10 parts of sodium dodecylbenzenesulfonate.

[0022] The preparation method of the above-mentioned anti-corrosion flux comprises the following steps: mixing glycerin, isobutanol, ethylene glycol, and isopropanol evenly, heating to 74°C, adding tripropylene glycol butyl ether, benzotriazole, Ergosterol, peanut oil modified acrylic resin, hydroquinone sodium stearate, sodium dodecylbenzenesulfonate, stirr...

Embodiment 3

[0025] Anti-corrosion flux, including the following raw materials in parts by weight: 200 parts of rosin, 80 parts of glycerin, 50 parts of isobutanol, 90 parts of ethylene glycol, 60 parts of isopropanol, 1,2-cyclohexanediol diglycidyl 20 parts of ether, 80 parts of phenoxyethanol, 20 parts of gluconic acid, 60 parts of methyl cellulose, 8 parts of sodium pyrophosphate, 50 parts of tripropylene glycol butyl ether, 15 parts of benzotriazole, 100 parts of ergosterol, modified peanut oil 50 parts of non-toxic acrylic resin, 60 parts of hydroquinone, 30 parts of sodium stearate, and 20 parts of sodium dodecylbenzenesulfonate.

[0026] The preparation method of the above-mentioned anti-corrosion flux comprises the following steps: mixing glycerin, isobutanol, ethylene glycol, and isopropanol evenly and then heating to 80° C., adding tripropylene glycol butyl ether, benzotriazole, Ergosterol, peanut oil modified acrylic resin, hydroquinone sodium stearate, sodium dodecylbenzenesulf...

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PUM

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Abstract

The invention discloses an anti-corrosion flux and a preparation method thereof. The preparation method includes: well mixing glycerin, isobutanol, ethanediol and isopropanol, heating to 74-80 DEG C, stirring while adding tripropylene glycol n-butyl ether, benzotriazole, ergosterol, peanut oil modified acrylic resin, hydroquinone sodium stearate and sodium dodecyl benzene sulfonate, and stirring for 30-40min at a constant temperature; adding rosin, heating to 100-120DEG C, reacting for 60-100min, and well stirring; stirring while adding rest of components, well mixing and performing vacuum filtering to obtain the anti-corrosion flux. The anti-corrosion flux is weak in corrosivity and capable of reducing corrosion of the flux to welded materials and has favorable anti-corrosion effects.

Description

technical field [0001] The invention relates to an anti-corrosion flux and a preparation method thereof. Background technique [0002] Flux is a chemical substance that can help and promote the soldering process in the soldering process, and at the same time has a protective effect and prevents oxidation reactions. Flux can be divided into solid, liquid and gas. Flux removes the oxides on the metal surface to ensure that the solder joints are firmly connected, so it generally has a certain acidity. However, too strong acidity will corrode the metal surface, which will make the solder joints unreliable. [0003] The Chinese patent application with the application number CN201610096273.X discloses a low-rosin no-clean flux, which consists of the following raw materials in parts by weight: 5-12 parts of ethanol, 5-10 parts of ethylene glycol, 1-5 parts of glycerol 2-8 parts of ethylene glycol butyl ether, 10-20 parts of rosin, 10-25 parts of resin, 2-6 parts of surfactant,...

Claims

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Application Information

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IPC IPC(8): B23K35/362
CPCB23K35/3613B23K35/362
Inventor 李孟平
Owner 李孟平
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