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Environment-friendly non-toxic metal surface treatment agent

A metal surface treatment and environmental protection technology, applied in the direction of metal material coating process, etc., can solve the problems of local corrosion and increase of corrosion current density, and achieve the effect of preventing metal corrosion, slowing electrode reaction and enhancing stability.

Inactive Publication Date: 2015-09-23
BENGBU TIMES ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the amount is insufficient, a complete oxide film cannot be formed, and the corrosion current density increases on the small metal surface that is not covered, which is likely to cause severe local corrosion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kind of environment-friendly nontoxic metal surface treatment agent, it is made up of the raw material of following weight part:

[0019] Alkenyl succinate 4, tetramethylglutaric acid 0.2, α-alkenyl sodium sulfonate 0.8, polycarboxylate 2, N,N-diethylaniline 0.6, tetraethyl ammonium tetrafluoroborate 0.3, Sodium diacetate 0.2, sodium pyrrolidone hydroxy acid 0.7, diethanolamine 3, triethanolamine borate 4, yttrium nitrate hexahydrate 0.05, silane coupling agent KH-550 0.4, water 200.

[0020] A kind of preparation method of environment-friendly nontoxic metal surface treatment agent, comprises the following steps:

[0021] (1) Take sericin, add 60% of the above water weight, stir evenly, add silane coupling agent KH-550, yttrium nitrate hexahydrate, stir and disperse at 1000 rpm for 20 minutes to obtain silane liquid;

[0022] (2) Mix sodium diacetate and sodium pyrrolidone hydroxy acid, add 70% of the remaining water weight, and stir evenly to obtain an antiseptic s...

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PUM

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Abstract

The invention discloses an environment-friendly non-toxic metal surface treatment agent which is prepared from the following raw materials in parts by weight: 4-6 parts of alkenyl succinate, 0.1-0.2 part of tetramethyl glutaric acid, 0.8-2 parts of alpha-olefin sulfonate, 1-2 parts of sodium polycarboxylic acid, 0.6-1 part of N,N-diethylaniline, 0.2-0.3 part of tetraethylammonium tetrafluoroborate, 0.1-0.2 part of sodium diacetate, 0.7-1 part of pyrrolidone hydroxy acid sodium, 2-3 parts of diethanol amine, 4-5 parts of triethanolamine borate, 0.05-0.1 part of yttrium nitrate hexahydrate, 0.4-1 part of a silane coupling agent KH-550 and 150-200 parts of water. The metal surface treatment agent has the advantages of being non-toxic and pollution-free, good in environment-friendly property, good in anticorrosive and antibacterial properties, good in storage stability and long in service life.

Description

technical field [0001] The invention mainly relates to the field of metal surface treatment agents, in particular to an environment-friendly and non-toxic metal surface treatment agent. Background technique [0002] Metal surface treatment agent refers to the general term for various chemical agents for metal surface treatment. Metal surface treatment includes degreasing, rust removal, phosphating, antirust and other substrate pretreatments, which are prepared for metal coating technology and metal protection technology. The quality of substrate pretreatment has a great influence on subsequent coating preparation and metal use. The water-soluble rust inhibitor can be dissolved in water to form an aqueous solution, and the metal can prevent corrosion and rust after being treated with this aqueous solution. Their antirust effect can be divided into three categories. [0003] ①The metal and the antirust agent form an insoluble and dense oxide film, thus preventing the ano...

Claims

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Application Information

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IPC IPC(8): C23C22/05
Inventor 朱兴堂朱亮亮陈军彦
Owner BENGBU TIMES ELECTRONICS
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