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Anticorrosive composite paint and its prepn and application

A corrosion-resistant, composite resin technology, applied in the field of composite coatings, can solve problems such as loss of anti-corrosion coatings

Inactive Publication Date: 2003-03-19
田桂英 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most anti-corrosion coatings on the market are made of organic synthetic resin. Organic synthetic resin itself is an insulating material. Even if a sufficient amount of active zinc or aluminum metal powder is added, it is difficult to form effective anodic protection. Therefore, various types of anti-corrosion coatings currently used on metal surfaces Anti-corrosion coatings are just simple physical coverage, mainly relying on the good waterproof performance of the coating film itself to prolong the anti-corrosion life. Once the waterproof function of the coating film is lost, the anti-corrosion coating will lose its effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0016] Example 1. A kind of corrosion-resistant composite resin, containing 80-100 parts of composite resin of silicate and conventional organic resin two-component, 60-100 parts of superfine metal powder with particle diameter more than 1000 mesh, 10-20 parts of auxiliary agent, 50-70 parts of filler, 80-150 parts of water, wherein silicon: sodium and / or potassium of silicate in composite resin = 6-10:1.

example 2

[0017] Example 2. Composite resin is obtained by the following method, and the diameter is 5-30nm nanoscale ultrafine powder SiO Add sodium hydroxide and / or potassium hydroxide to carry out hydrolysis, make colorless transparent silicate solution after heating reaction, Proportion by weight: 60-85 parts of silicate solution, 15-20 parts of organic resin, 50-150 parts of water, 5-10 parts of initiator, feed into the reaction kettle and heat to 70-80°C, and react for one to two hours A durable, high temperature, waterproof and environment-friendly composite resin is obtained. All the other are with embodiment 1.

example 3

[0018] Example 3. It also contains 15-30 parts of organosilicon solution in weight ratio, and the organosilicon solution is a nano-scale methyl and / or phenyl organosilicon monomer polymer with a diameter of 10-50 nm. All the other are with embodiment 1.

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Abstract

The present invention relates to paint and is especially one kind of anticorrosive composite paint and its preparation and application. The composite paint contains composite resin of silicate and conventional organic resin, organosilicon solution, superfine metal powder and other components. It has excellent anticorrosive performance, high waterproof, wear resisting and heat resisting performance, and long service life over 30 years. It contains no organic solvent and thus has no environmental pollution.

Description

technical field [0001] The invention relates to a composite paint, in particular to a corrosion-resistant composite resin and its preparation method and application. Background technique [0002] At present, the domestic relatively good coating adhesives include polyurethane, epoxy resin, acrylic resin, alkyd resin, chlorinated rubber, vinyl, organic fluorine, and various synthetic compounds through organic modification. coating. The above types of coatings are mainly composed of organic components. When they are applied to substrates such as steel, their corrosion resistance is not outstanding enough. According to the mechanism of electrochemical corrosion, in most cases, the corrosion of metals occurs in the electrolyte solution, and this corrosion is accompanied by electric current, which is an electrochemical process. When the metal loses or gains electrons, the metal surface is corroded. With the extension of the electrochemical process, the corrosion of the metal wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D115/02C09D133/00C09D163/00C09D167/00C09D175/04
Inventor 马黎明田桂英
Owner 田桂英
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