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Water-based anticorrosive paint

A kind of anti-corrosion coating, water-based technology, applied in the direction of anti-corrosion coating, coating, etc., can solve the problems of poor anti-corrosion performance and water resistance, poor water resistance of paint film, etc., and achieve good water resistance and corrosion resistance

Active Publication Date: 2015-01-14
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Acrylic emulsion has the advantages of superior weather resistance, good aging resistance, gloss retention, high gloss, excellent adhesion, fine appearance, good film-forming property, etc. It is one of the commonly used water-based coatings. In water-based acrylic In coatings, water-based acrylic acid forms a stable emulsion depending on the hydrophilicity of the monomer or the hydrophilicity of the emulsifier. After film formation, these hydrophilic groups lead to extremely poor water resistance of the paint film, making the resulting water-based acrylic paint waterproof. Corrosion performance and water resistance are poor. Generally, salt spray resistance can only reach 100-200 hours, which cannot meet the requirements of the society and needs to be modified

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The water-based anticorrosion coating of the present invention, its raw material comprises the following components by weight: 100 parts of organic fluorosilicon modified acrylate emulsion, 10 parts of composite iron-titanium powder, 13 parts of mica, 20 parts of modified zinc phosphate, 10 parts of zinc oxide 10 parts of talcum powder, 7 parts of kaolin, 3 parts of nano-titanium dioxide, 0.5 parts of 2-amino-2-methyl-1-propanol, 0.2 parts of defoamer, 18 parts of film-forming aids, and 5 parts of thickener , 120 parts of water.

[0019] The water-based anti-corrosion coating described in this example and the commercially available water-based anti-corrosion coating were tested for performance, and the test results are shown in Table 1.

[0020] Table 1 Waterborne anticorrosion coating described in embodiment 1 and commercially available waterborne anticorrosion coating performance testing result

[0021] performance test project

Embodiment 2

[0023] The water-based anticorrosion coating of the present invention, its raw material comprises the following components by weight: 100 parts of organofluorosilicon modified acrylate emulsion, 20 parts of composite iron-titanium powder, 5 parts of mica, 45 parts of modified zinc phosphate, 3 parts of zinc oxide 25 parts of talcum powder, 5 parts of kaolin, 15 parts of nano-titanium dioxide, 0.1 part of 2-amino-2-methyl-1-propanol, 2.5 parts of defoamer, 10 parts of polyethylene glycol, and 8 parts of thickener , 80 parts of water; wherein, the organofluorosilicon-modified acrylate emulsion is prepared by seed emulsion polymerization.

[0024] Performance tests were performed on the water-based anti-corrosion coatings described in this example and commercially available water-based anti-corrosion coatings, and the test results are shown in Table 2.

[0025] Table 2 Water-based anticorrosion coatings described in embodiment 2 and commercially available water-based anticorrosio...

Embodiment 3

[0028]The water-based anticorrosion coating of the present invention, its raw material comprises the following components by weight: 100 parts of organic fluorosilicon modified acrylate emulsion, 15.4 parts of composite iron-titanium powder, 10.5 parts of mica, 10 parts of iron zinc phosphate, zinc phosphomolybdate 13 parts, 7.6 parts of zinc oxide, 14 parts of talc, 6 parts of kaolin, 5.3 parts of nano-titanium dioxide, 0.39 parts of 2-amino-2-methyl-1-propanol, 1.15 parts of mineral oil defoamer, propylene glycol phenyl ether 3 parts, 12 parts of alcohol ester twelve, 7.4 parts of thickener, 103 parts of water;

[0029] Wherein, the organofluorosilicon-modified acrylic emulsion is prepared by seed emulsion polymerization, and in the process of preparing the organofluorosilicon-modified acrylic emulsion by seed emulsion polymerization, the monomers used include: methyl methacrylate 30 Parts, 20 parts of butyl acrylate, 10 parts of glycidyl ester, 6 parts of acrylic acid, 5 pa...

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Abstract

The invention discloses a water-based anticorrosive paint which is prepared from the following raw materials in parts by weight: 100 parts of organic fluorosilicon modified acrylate emulsion, 10-20 parts of composite ferrotitanium powder, 5-13 parts of mica, 20-45 parts of modified zinc phosphate, 3-10 parts of zinc oxide, 10-25 parts of talcum powder, 5-7 parts of kaolin, 3-15 parts of nano titanium dioxide, 0.1-0.5 part of 2-amino-2-methyl-1-propanol, 0.2-2.5 parts of defoaming agent, 10-18 parts of film formation assistant, 5-8 parts of thickener and 80-120 parts of water. The water-based anticorrosive paint has the advantages of favorable water resistance, favorable corrosion resistance and long service life, and is used in outdoor and corrosive environments.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based anticorrosion coating. Background technique [0002] my country is a developing country, which is in the process of industrialization and rapid economic growth, but at the same time, our country's environmental problems are becoming increasingly prominent and complex, and metal corrosion is ubiquitous. At present, the corrosion of metal materials in my country causes more than 500 billion yuan of losses every year. Steel is the most important metal material, and its corrosion protection is of great significance, especially in areas with severe smog in coastal cities and areas with severe acid rain and environmental pollution. The use of paint to prevent metal corrosion is the most widely used, most effective and most economical means. Water-based coatings have become the main development direction in the future because of their convenient source, easy purification...

Claims

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Application Information

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IPC IPC(8): C09D133/12C09D7/12C09D5/08C08F220/14C08F220/18C08F220/06C08F220/22
CPCC08F220/14C08K3/08C08K3/22C08K3/32C08K3/34C08K3/346C08K5/17C08K13/06C08K2003/0856C08K2003/0881C08K2003/2237C08K2003/2296C08K2003/3045C09D5/084C09D7/61C09D7/62C09D7/63C09D133/12C08F220/1804C08F230/08C08F220/22
Inventor 胡昌悌
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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