Metal surface vitrification agent and application method thereof

A metal surface and vitrifying agent technology, which is applied in the direction of metal material coating technology, can solve environmental pollution and other problems, and achieve the effects of enhancing corrosion resistance, improving adhesion, and excellent impact resistance

Active Publication Date: 2012-10-24
CHOGNQING CHANGYU METAL SURFACE TREATMENT TECH
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  • Abstract
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Problems solved by technology

[0003] In order to solve the problems existing in the existing metal surface phosphating treatment technology, whether it is the treatment process or the discharge

Method used

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  • Metal surface vitrification agent and application method thereof

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Embodiment Construction

[0019] The metal surface vitrifying agent of the present invention contains 2.0-38.0% of zirconium-titanium salt, 0.1-8.0% of silane, 0.5-18.0% of buffering agent, 0.01-5.00% of film-forming aid, 0.1-6.1% of rust inhibitor, and 0.2% of complexing agent. ~7.0%, the appearance is clear and transparent liquid, and no suspended matter; PH value is 1~2; specific gravity is 1.05±0.02g / cm 3 Wherein, the zirconium-titanium salt includes zirconium boride, fluorozirconic acid, titanyl sulfate or titanium fluorozirconate, the silane includes low molecular weight water-soluble silane, the buffering agent includes weak acid or weakly basic amines, and the film-forming aid includes molybdic acid Or molybdate, antirust agent comprises boric acid or borate, and complexing agent comprises citric acid, EDTA or acetic acid; Said percentage is percentage by weight. The low-molecular-weight water-soluble silane includes tetraethoxysilane, dimethyldiethoxysilane or vinyltriethoxysilane; the buffer ...

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Abstract

The invention provides a metal surface vitrification agent and an application method thereof, aiming for solving the problem of possibility of environmental pollution caused by waste water discharge in a treatment process or after treatment in the existing metal surface phosphating treatment technology. According to the invention, the metal surface vitrification agent comprises 2.0-38.0% of zirconium titanium salt, 0.1-8.0% of silane, 0.5-18.0% of a buffer agent, 0.01-5.00% of film forming assistant, 0.1-6.1% of an anti-rust agent and 0.2-7.0% of a complexing agent, wherein the surface appearance is clear transparent liquid and no suspended matter exists; pH value is 1-2, and the specific gravity is 1.05+/-0.02 g/cm<3>. The metal surface vitrification agent has the advantages that an embedded hybrid indissolvable nanometer ceramic conversion coating is formed on the metal surface at normal temperature and is excellent in impact resistance, the adhesion force of the coating is improved, and the corrosion resistance of the metal surface is enhanced. In addition, the metal surface vitrification agent, provided by the invention, contains no component capable of causing environmental pollution, and can be directly discharged without environmental pollution.

Description

technical field [0001] The invention relates to a surface treatment technology, in particular to a metal surface vitrifying agent and its application method. Background technique [0002] In order to ensure or improve the corrosion resistance and coating or plastic spraying effect of the metal surface, it is often necessary to chemically treat the surface of the metal plate, such as: steel plate, zinc plate or aluminum plate, to remove the oil or oxide layer on the surface of the metal plate, and An anti-corrosion layer is formed on the metal surface, and it has good adhesion with painting materials or plastic spraying materials. The most common of the existing metal surface chemical treatment technologies is the surface phosphating treatment technology. The metal surface is treated with a phosphating agent to form a layer of phosphating film on the surface. Its main composition is phosphate crystals, and its phosphoric acid Salt crystals are physically deposited on the met...

Claims

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Application Information

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IPC IPC(8): C23C22/40C23C22/44
Inventor 陈波
Owner CHOGNQING CHANGYU METAL SURFACE TREATMENT TECH
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