Water-based surface treatment agent and preparation method thereof

A surface treatment agent, water-based technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of weak adhesion of metal bodies, uneven density, voids, etc., to improve film quality, short processing time, and enhance stability. sexual effect

Active 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...

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0017] A water-based surface 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:

[0018] Aminopropyltriethoxysilane 40, N-phenyl-3-aminopropyltrimethoxysilane 20, ammonium fluorozirconate 2, hydroxyethyl cellulose 4, sodium monofluorophosphate 3, 1,4-cyclo Hexane dimethyl 8, film-forming aid 4, and the remainder is water;

[0019] Described modified nano silicon dioxide dispersion liquid is made up of the raw material of following weight part:

[0020] 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;

[0021] Described film-forming aid is made up of the raw material of following weight part:

[0022] 1,2-bis(triethoxysilyl)ethane 6, diethylene glycol monobutyl ether 5, acrylic acid 6, sodium metasilicate 2, alum...

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PUM

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Abstract

The invention discloses a water-based surface treatment agent, which is a mixed solution. Per liter of the mixed solution is composed of the following components by weight (g): 30-40 of aminopropyl triethoxysilane, 10-20 of N-phenyl-3-aminopropyl trimethoxy silane, 1-2 of ammonium fluozirconate, 2-4 of hydroxyethyl cellulose, 2-3 of sodium monofluorophosphate, 6-8 of 1, 4-cyclohexanedimethanol, 2-4 of a film-forming agent, and the balance water. The treatment process of the water-based surface treatment agent produced in the invention generates no dreg, the treatment time is short, and the treatment process is easy to control. Being free of harmful heavy metal ions, the water-based surface treatment agent is safe and environment-friendly, and can form a silane coating having excellent corrosion resistance with a metal surface, thus prolonging the service life of the metal.

Description

technical field [0001] The invention mainly relates to a treatment agent, in particular to a water-based surface 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 purpose of the present invention is to provide a water-based surface treatment agent and a preparation method thereof in order to remedy the defects of the prior art...

Claims

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Application Information

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IPC IPC(8): C09D183/08C09D7/12C09D5/08
Inventor 芮明功
Owner MAANSHAN TUORUI METAL SURFACE TECH
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