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High-performance soldering flux

A flux, high-performance technology, used in welding media, welding equipment, welding/cutting media/materials, etc., can solve the problems of operator injury, decomposition, unsafe, etc., and achieve the effect of improving quality and good removal

Inactive Publication Date: 2015-09-23
QINGDAO ENGAO MOTION CONTROL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flux in the prior art is not safe and inconvenient to use during the actual soldering process
At the same time, due to the high temperature and high pressure environment during welding, the toxic substances contained in it will be easily decomposed, which will cause harm to the operator.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A high-performance flux, which is made of the following raw materials in parts by weight:

[0009] 6 parts of citric acid, 4 parts of triethanolamine, 2 parts of nitroethane, 7 parts of pentaerythritol oleate, 6 parts of diethylene glycol monobutyl ether, 20 parts of tin, 1 part of 2,3-dibromopropanol, Baiyun 6 parts of stone, 2 parts of slagging agent, 1 part of zinc chloride, 6 parts of sodium lauryl sulfate, 2 parts of phenolic resin, 3 parts of acetone, 1 part of tin chloride, 6 parts of salicylic acid, 2 parts of propanol , 6 parts of ethyl acetate.

Embodiment 2

[0011] A high-performance flux, which is made of the following raw materials in parts by weight:

[0012] 13 parts of citric acid, 7 parts of triethanolamine, 7 parts of nitroethane, 9 parts of pentaerythritol oleate, 8 parts of diethylene glycol monobutyl ether, 40 parts of tin, 5 parts of 2,3-dibromopropanol, Baiyun 11 parts of stone, 6 parts of slagging agent, 5 parts of zinc chloride, 9 parts of sodium lauryl sulfate, 5 parts of phenolic resin, 8 parts of acetone, 4 parts of tin chloride, 13 parts of salicylic acid, 5 parts of propanol , 11 parts of ethyl acetate.

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PUM

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Abstract

A high-performance soldering flux is made from the following raw materials, by weight, 6-13 parts of citric acid, 4-7 parts of triethanolamine, 2-7 parts of nitroethane,7-9 parts of pentaerythritol oleate, 6-8 parts of diethylene glycol monobutyl ether, 20-40 parts of tin, 1-5 parts of 2,3-dibromopropyl alcohol, 6-11 parts of dolomite, 2-6 parts of slagging agents, 1-5 parts of zinc chloride, 6-9 parts of sodium dodecyl sulfate, 2-5 parts of phenolic resin, 3-8 parts of acetone, 1-4 parts of tin chloride, 6-13 parts of salicylic acid, 2-5 parts of propanol and 6-11 parts of ethyl acetate. The high-performance soldering flux has the advantages that the high-performance soldering flux is low in toxicity and harmless, meanwhile, welding flux and oxide on the surface of welded base metal can be well removed, and welding quality is improved.

Description

technical field [0001] The invention relates to a high-performance flux. Background technique [0002] Flux helps and promotes the welding process in the welding process. Its main functions include assisting heat conduction, removing oxides, reducing the surface tension of the material to be welded, removing oil on the surface of the material to be welded, increasing the welding area, and preventing re-oxidation. In one aspect, it is widely used in the welding of watch instruments, precision components, medical equipment, mobile communications, digital products and various PCB boards and BGA solder balls. The soldering flux in the prior art is unsafe and inconvenient to use during the actual soldering process. At the same time, due to the high temperature and high pressure environment during welding, the toxic substances contained in it are easy to decompose and cause harm to operators. Therefore, non-toxic and low-toxic fluxes are becoming more and more popular. Content...

Claims

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Application Information

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IPC IPC(8): B23K35/362B23K35/26
CPCB23K35/362B23K35/262B23K35/3612
Inventor 刘国雷
Owner QINGDAO ENGAO MOTION CONTROL TECH
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