High-efficiency hearth detergent remover for reflow soldering furnace and wave soldering furnace

Abstract

The invention relates to a detergent remover and a preparation method thereof, in particular to a high-efficiency hearth detergent remover for a reflow soldering furnace and a wave soldering furnace used in a surface mounted technology (SMT) production line in the electronic industry and a preparation method thereof. The detergent remover is prepared from the following raw materials in parts by weight: 40-60 parts of pure water, 1-5 parts of inorganic base, 1-3 parts of corrosion inhibitor, 10-25 parts of organic amine, 10-20 parts of alcohol ether solvent, 3-8 parts of penetrating agent, 1-3 parts of nonionic surfactant and 3-6 parts of anionic surfactant. The preparation method comprises the following steps in sequence: (1) dissolving 1-5 parts of inorganic base in 40-60 parts of pure water, and evenly stirring until the solution is transparent; (2) adding 10-25 parts of organic amine and 1-3 parts of corrosion inhibitor, and evenly stirring; (3) adding 10-20 parts of alcohol ether solvent, and evenly stirring; (4) adding 3-8 parts of penetrating agent, and stirring until the solution is transparent; and (5) adding 1-3 parts of nonionic surfactant and 3-6 parts of anionic surfactant, evenly stirring, and filtering to obtain the finished product.

Description

technical field [0001] The invention relates to a cleaning solution and a preparation method thereof, in particular to a furnace cleaning solution for a high-efficiency SMT reflow soldering furnace and a wave soldering furnace used in an SMT production line in the electronic industry and a preparation method thereof. Background technique [0002] SMT is the abbreviation of Surface Mounted Technology (SMT), which is the most popular technology and process in the electronic assembly industry. In the SMT production line, reflow soldering and wave soldering are a relatively large and important link. In the process of reflow soldering and wave soldering, tin wires and tin bars are melted by high temperatures above 250°C and soldered on the PCB board sprayed with flux. This process is completed in a semi-enclosed space, that is, our In reflow soldering furnaces and wave soldering furnaces, if the temperature in the furnace is at 250-300°C for a long time, the flux and flux in the...

AI Technical Summary

Problems solved by technology

First, this method uses volatile solvents, which is highly dangerous; second, it takes a long time, is inconvenient to operate, high in cost, and not thorough in cleaning, so it is rarely used now

[0004] As the demand for cleaning continues to increase, a large number of related foreign water-based furnace cleaning solutions have entered the Chinese market. However, because their related products are all imported, they are expensive and cannot meet the market demand.

Images