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Electrician copper soft flexible stranded wire antirust agent

A technology of antirust agent and electrical copper, which is applied in the coating process of metal materials, etc., can solve the problems of oxidative discoloration, easy oxidation and oxidation of the surface, and achieve the effects of avoiding rust, inhibiting corrosion and rust, and promoting passivation

Active Publication Date: 2015-09-16
TAICANG LINYUAN CABLES & CORDS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the continuous growth of the industry, the quality requirements of the products are also continuously improved. However, in the process of copper processing, the problem of oxidation of copper and copper alloys after processing and cleaning has always been a problem in the industry, especially for electrical equipment, Copper wires, copper braided wires and electrical copper flexible stranded wires connected to electronic components are easily oxidized on the surface after being made into copper wires. It will form a patina, that is, basic copper carbonate, which is green; or it may be oxidized to cuprous oxide, which is brick red, and oxidized slag will form after a few days
Copper is originally a relatively expensive metal, coupled with the high processing cost and labor cost, many manufacturers are worried about a pile of oxidized products. How to deal with the delivery of oxidized products has become an urgent problem for many manufacturers to solve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Get 20wt% hydroxyethylidene diphosphonic acid, 15wt% benzotriazole, 2.5wt% sodium molybdate, 5wt% ZnCl 2 , 25wt% ethanolamine, 8wt% ethanol, 7wt% dodecenylsuccinic acid, 5wt% phytic acid ester, 1.5wt% sodium citrate, and the rest is water.

Embodiment 2

[0024] Get 30wt% sodium ethylenediamine tetramethylene phosphonate, 12wt% benzotriazole, 1wt% sodium molybdate, 2wt% ZnSO 4 , 15wt% ethanolamine, 6wt% ethanol, 4wt% dodecenylsuccinic acid, 6wt% phytic acid ester, 2wt% sodium citrate, and the rest is water.

Embodiment 3

[0026] Get 20wt% polyepoxysuccinic acid, 15wt% benzotriazole, 4wt% sodium molybdate, 4wt% ZnSO 4 , 20wt% ethanolamine, 5wt% ethanol, 8wt% dodecenylsuccinic acid, 5wt% phytic acid ester, 1wt% sodium citrate, and the rest is water.

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PUM

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Abstract

The present invention provides an electrician copper soft flexible stranded wire antirust agent including the following chemical components by weight 15-30% of a scale and corrosion inhibitor, 12-20% of benzotriazole, 1-5% of sodium molybdate, 2-6% of zinc salt, 15-30% of ethanolamine, 5-10% of ethanol, 4-8% of dodecencylsuccinic acid, 3-6% of inositol hexaphosphate, 0.5-2% of sodium citrate, and balance of water. The electrician copper soft flexible stranded wire antirust agent is non-toxic and environmentally-friendly, after copper wire annealing cooling, a layer of uniform, dense and hard-to-fall off protective film is produced on the copper wire surface, so that the copper wire has good capability of preventing discoloration and oxidation resistance, storage time limit and service life of the copper wire can be effectively improved, and the production cost can be reduced.

Description

technical field [0001] The invention belongs to the field of wire protection for electrical equipment and electronic components, and in particular relates to an antioxidant for ultra-fine electrical copper braided wires. Background technique [0002] In today's metal processing industry, the market share of copper processing is increasing, especially in electroplating, spraying, cables, circuit boards, CNC, molds, stamping hardware, powder metallurgy and other industries, the proportion of which is occupied year by year rising trend. [0003] With the continuous growth of the industry, the quality requirements of the products are also continuously improved. However, in the process of copper processing, the problem of oxidation of copper and copper alloys after processing and cleaning has always been a problem in the industry, especially for electrical equipment, Copper wires, copper braided wires and electrical copper flexible stranded wires connected to electronic componen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/05C23F11/14
Inventor 曹惠忠
Owner TAICANG LINYUAN CABLES & CORDS CO LTD
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