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Metal surface silane treatment agent and preparation method thereof

A silane treatment agent, metal surface technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of weak adhesion of metal bodies, uneven density, voids, etc., to achieve high density, short processing time, and enhanced stability sexual effect

Inactive Publication Date: 2013-08-21
MAANSHAN TUORUI METAL SURFACE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the maturity of the metal surface treatment process, the traditional phosphate conversion and chromate passivation surface treatment technology is gradually replaced by the environmental protection and energy-saving silanization treatment technology due to factors such as environmental pollution and easy harm to the human body. However, the current silane Most of the chemical treatment is simply relying on the film-forming properties of silane, so that the film layer formed on the surface of the metal workpiece treated with the silane solution has uneven density, voids, cracks, and weak adhesion to the metal body.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A metal surface silane treatment agent, which is a mixed solution prepared from the following components, and the parts by weight (grams) of each component in every liter of the mixed solution are:

[0019] γ-(2,3-Glycidoxypropoxy)propyltrimethoxysilane 35, γ-Aminopropyltriethoxysilane 35, Diamylamine 2, Titanyl Sulfate 2, Dimethylethanolamine 2, Tetra Potassium borate 2, sodium ethylenediamine tetramethylene phosphonate 4, ethanol 7, film-forming aid 5, and the remainder is water;

[0020] Described modified nano silicon dioxide dispersion liquid is made up of the raw material of following weight part:

[0021] Nano silica 40, polyvinyl alcohol 10, ethanol 20, rosin 4, benzotriazole 3, di-tert-butyl peroxide 2, alkylphenol polyoxyethylene ether 0.8, ethyl acetate 2, 1,2-bis (Triethoxysilyl)ethane 2;

[0022] Described film-forming aid is made up of the raw material of following weight part:

[0023] 1,2-bis(triethoxysilyl)ethane 6, diethylene glycol monobutyl ether ...

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PUM

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Abstract

The invention discloses a metal surface silane treatment agent, which is a mixed solution prepared from the following components. Per liter of the mixed solution comprises by weight: 30-35g of gamma-(2, 3-epoxypropoxy)propyltrimethoxy silane, 30-35g of gamma-aminopropyl triethoxy silane, 1-2g of dipentylamine, 1-2g of titanyl sulfate, 2-4 of dimethylethanolamine, 1-2g of potassium tetraborate, 3-4g of ethylene diamine tetra (methylene phosphonic acid) sodium, 6-7g of ethanol, 3-5g of a film forming aid, and the balance water. The treatment process of the metal surface silane treatment agent produced by the invention has the advantages of no generation of sediment, short treatment time, simple and convenient control. Being free of harmful heavy metal ions, the metal surface silane treatment agent is safe and environment-friendly, and can form a silane coating with excellent corrosion resistance together with a metal surface, so that the metal service life can be prolonged.

Description

technical field [0001] The invention mainly relates to a treatment agent, in particular to a metal surface silane treatment agent. Background technique [0002] With the maturity of the metal surface treatment process, the traditional phosphate conversion and chromate passivation surface treatment technology is gradually replaced by the environmental protection and energy-saving silanization treatment technology due to factors such as environmental pollution and easy harm to the human body. However, the current silane Chemical treatment mostly simply relies on the film-forming performance of silane, so that the film layer formed on the surface of the metal workpiece treated with silane solution has uneven density, voids, cracks, and weak adhesion to the metal body. Contents of the invention [0003] The object of the present invention is to provide a metal surface silane treatment agent and a preparation method thereof in order to remedy the defects of the prior ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/06C09D183/08C09D7/12C09D5/08
Inventor 芮明功
Owner MAANSHAN TUORUI METAL SURFACE TECH