Environment-friendly type anti-rust phosphating solution and preparation method thereof

An environmentally friendly, phosphating solution technology, which is applied in the coating process of metal materials, can solve problems such as endangering the use safety, corrosive three waste pollution, and choking, so as to reduce the cost of phosphating, improve the efficiency of phosphating, and the preparation method simple effect

Inactive Publication Date: 2016-08-31
WUXI EPIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although scientists have done a lot of research in this area, it is not yet fully understood
After the end of World War II, there were few breakthroughs in phosphating technology, but steady development and improvement.
However, the rust-removing and phosphating agents currently on the market are mainly used to clean and remove rust with hydrochloric acid, nitric acid, and sulfuric acid according to different metals, and generate toxic and choking yellow and red smoke, resulting in serious corrosive three-waste pollution, and are easy to clean. The metal itself of the parts: the outer layer dissolves to form over-corrosion, and the inner hydrogen permeates to cause hydrogen embrittlement, which endangers the safety of use and shortens the service life. At the same time, it does not meet the needs of clean production and development in the existing society

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The environment-friendly antirust phosphating solution of the present embodiment is made from the following components by weight: 48 parts of water, 12 parts of zinc nitrate, 3 parts of ammonium peroxodisulfate, 4 parts of propylene glycol, polyethylene benzyl trimethyl quaternary 3 parts of ammonium salt, 20 parts of ethylene glycol monobutyl ether acetate, 3 parts of dinitropentamethylenetetramine, 3 parts of sodium m-nitrobenzenesulfonate, 3 parts of ethylenediaminetetraacetic acid, alcohol ether carboxylic acid 4 parts of salt, 4 parts of polyvinylpyrrolidone.

[0012] Weigh each component according to the above weight ratio, then mix and stir, and stir evenly to completely dissolve each component, so as to obtain the environment-friendly anti-rust phosphating solution.

[0013] In the present invention, the surface of the metal workpiece can be treated by directly soaking and spraying, and then naturally dried to obtain a phosphating film.

Embodiment 2

[0015] The environment-friendly antirust phosphating solution of the present embodiment is made from the following components by weight: 58 parts of water, 16 parts of zinc nitrate, 7 parts of ammonium peroxodisulfate, 8 parts of propylene glycol, polyethylene benzyl trimethyl quaternary 7 parts of ammonium salt, 30 parts of ethylene glycol monobutyl ether acetate, 6 parts of dinitropentamethylene tetramine, 6 parts of sodium m-nitrobenzenesulfonate, 6 parts of ethylenediaminetetraacetic acid, alcohol ether carboxylic acid 7 parts of salt, 6 parts of polyvinylpyrrolidone, 8 parts of sodium sulfite heptahydrate.

[0016] Weigh each component according to the above weight ratio, then mix and stir, and stir evenly to completely dissolve each component, so as to obtain the environment-friendly anti-rust phosphating solution.

[0017] In the present invention, the surface of the metal workpiece can be treated by directly soaking and spraying, and then naturally dried to obtain a ph...

Embodiment 3

[0019] The environment-friendly antirust phosphating solution of the present embodiment is made from the following components by weight: 48 parts of water, 12 parts of zinc nitrate, 3 parts of ammonium peroxodisulfate, 4 parts of propylene glycol, polyethylene benzyl trimethyl quaternary 3 parts of ammonium salt, 20 parts of ethylene glycol monobutyl ether acetate, 3 parts of dinitropentamethylenetetramine, 3 parts of sodium m-nitrobenzenesulfonate, 3 parts of ethylenediaminetetraacetic acid, alcohol ether carboxylic acid 4 parts of salt, 4 parts of polyvinylpyrrolidone, 4 parts of sodium sulfite heptahydrate, and 1 part of sodium fluorosilicate.

[0020] Weigh each component according to the above weight ratio, then mix and stir, and stir evenly to completely dissolve each component, so as to obtain the environment-friendly anti-rust phosphating solution.

[0021] In the present invention, the surface of the metal workpiece can be treated by directly soaking and spraying, and...

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PUM

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Abstract

The invention discloses an environment-friendly type anti-rust phosphating solution and a preparation method thereof. The environment-friendly type anti-rust phosphating solution is prepared from the following raw materials in parts by weight: 48-58 parts of water, 12-16 parts of zinc nitrate, 3-7 parts of ammonium peroxydisulfate, 4-8 parts of propylene glycol, 3-7 parts of polyethylene benzyl trimethyl quaternary ammonium salt, 20-30 parts of butoxyethyl acetate, 3-6 parts of dinitrosopentamethylene tetraamine, 3-6 parts of sodium metanitrobenzene sulfonate, 3-6 parts of ethylenediaminetetraacetic acid, 4-7 parts of alcohol ether carboxylate and 4-6 parts of polyvinylpyrrolidone. Compared with the current phosphating solution and a phosphating process, the environment-friendly type anti-rust phosphating solution is adopted to carry out phosphating treatment on a workpiece, so that the phosphating process is simplified, the phosphating efficiency is improved, and the phosphating cost is reduced; meanwhile, a phosphating film formed by the environment-friendly type anti-rust phosphating solution is more compact and is more uniform, can effectively prevent corrosion, and is safe and environmentally friendly; and the preparation method is simple and is low in cost.

Description

Technical field [0001] The invention involves an environmentally friendly rust -proof phosphorus solution and its preparation method. Background technique [0002] Phosphate is a commonly used pre -treatment technology. In principle, it should be a chemical conversion membrane treatment. It is mainly used for phosphorification of steel surfaces. Nonferrous metals (such as aluminum and zinc) can also be used.Phosphorusization is a process of chemical and electrochemical reactions to form a phosphate chemical conversion membrane. The phosphate conversion membrane formed is called phosphate film.The main purpose of phosphorification is to provide protection to the metal of the substrate to prevent metal corrosion to a certain extent; for painting before paint to improve the adhesion and corrosion capacity of the paint film layer;Lubrication.The phosphate process includes chemical and electrochemical reactions.The phosphorization response mechanism of different phosphate systems and ...

Claims

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Application Information

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IPC IPC(8): C23C22/68
CPCC23C22/68
Inventor 尤为
Owner WUXI EPIC TECH
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