Anti-corrosion flux and preparation method thereof

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,...

AI Technical Summary

Problems solved by technology

But does not contain rosin, its flux performance will be affected