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High-salt-mist high-weather-proof water paint and preparing method thereof

A water-based coating with high weather resistance technology, applied in anti-corrosion coatings, coatings, etc., can solve the problem that a single coating does not meet the requirements of high weather resistance and high salt spray, and achieve smooth and bright appearance, low surface tension, and good flexibility Effect

Active Publication Date: 2014-11-12
HAOLISEN COATING SHANGHAI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the requirements of weather resistance and salt spray resistance on the market cannot meet the needs of the market, and a single coating has not yet met the requirements of high weather resistance and high salt spray, so it is urgent to develop a water-based coating with high salt spray and high weather resistance

Method used

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  • High-salt-mist high-weather-proof water paint and preparing method thereof
  • High-salt-mist high-weather-proof water paint and preparing method thereof
  • High-salt-mist high-weather-proof water paint and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1) The formula of the acrylic modified emulsion with high salt spray and high weather resistance with core-shell structure:

[0025]

[0026]

[0027] Mix 6 parts by weight of perchlorethylene, 2 parts by weight of acrylic acid, 2.4 parts by weight of hydroxyethyl acrylate, 5.5 parts by weight of methyl methacrylate, 10 parts by weight of styrene, and 0.8 parts by weight of azobisisobutyronitrile to obtain a mixed solution a, for use;

[0028] 5 parts by weight of dodecafluoroheptyl acrylate, 3.5 parts by weight of trifluorooctyl acrylate, 5 parts by weight of vinyltrimethoxysilane, 3.5 parts by weight of acrylic acid, 4.4 parts by weight of hydroxyethyl acrylate, 2 parts by weight of methacrylic acid Methyl ester, 11.4 parts by weight of isooctyl acrylate, and 0.8 parts by weight of azobisisobutyronitrile were mixed uniformly to obtain mixed liquid b, which was set aside;

[0029] 0.4 parts by weight of azobisisobutyronitrile and 2 parts by weight of methyl isob...

Embodiment 2

[0035]1) The formula of the acrylic modified emulsion with high salt spray and high weather resistance with core-shell structure:

[0036]

[0037] Mix 5 parts by weight of perchlorethylene, 1.5 parts by weight of acrylic acid, 2.2 parts by weight of hydroxyethyl acrylate, 5 parts by weight of methyl methacrylate, 8.6 parts by weight of styrene, and 0.6 parts by weight of azobisisobutyronitrile to obtain a mixed solution a, for use;

[0038] 3.5 parts by weight of dodecafluoroheptyl acrylate, 2.5 parts by weight of trifluorooctyl acrylate, 4 parts by weight of vinyltrimethoxysilane, 3 parts by weight of acrylic acid, 4.1 parts by weight of hydroxyethyl acrylate, 1.5 parts by weight of methacrylic acid Methyl ester, 9.7 parts by weight of isooctyl acrylate, and 0.6 parts by weight of azobisisobutyronitrile were mixed uniformly to obtain mixed solution b, which was set aside;

[0039] Mix 0.3 parts by weight of azobisisobutyronitrile and 3 parts by weight of methyl isobutyl ...

Embodiment 3

[0046] 1) The formula of the acrylic modified emulsion with high salt spray and high weather resistance with core-shell structure:

[0047]

[0048]

[0049] Mix 4 parts by weight of perchlorethylene, 1 part by weight of acrylic acid, 2 parts by weight of hydroxyethyl acrylate, 4.5 parts by weight of methyl methacrylate, 7.2 parts by weight of styrene, and 0.4 parts by weight of azobisisobutyronitrile to obtain a mixed solution a, for use;

[0050] 2 parts by weight of dodecafluoroheptyl acrylate, 1.5 parts by weight of trifluorooctyl acrylate, 3 parts by weight of vinyltrimethoxysilane, 2.5 parts by weight of acrylic acid, 3.8 parts by weight of hydroxyethyl acrylate, 1 part by weight of methacrylic acid Methyl ester, 8 parts by weight of isooctyl acrylate, and 0.4 parts by weight of azobisisobutyronitrile are mixed uniformly to obtain mixed liquid b, which is set aside;

[0051] Mix 0.2 parts by weight of azobisisobutyronitrile and 4 parts by weight of methyl isobutyl...

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Abstract

The invention relates to high-salt-mist high-weather-proof water paint and a preparing method of the high-salt-mist high-weather-proof water paint. The high-salt-mist high-weather-proof water paint mainly comprises acrylic acid modified emulsion. The acrylic acid modified emulsion is composed of isobutyl alcohol, ethylene glycol monobutyl ether, methyl isobutyl ketone, vinylidene chloride, dodecafluoroheptyl methacrylate, perluorooctyl acrylate, vinyl trimethoxy silane, acrylic acid, methyl methacrylate, hydroxyethyl acrylate, phenylethylene, 2-ethylhexyl acrylate, azodiisobutyronitrile, N-methyl monoethanolamine and deionized water. The paint is quite excellent primer-topcoat coating and suitable for metal workpieces, the paint is dried at normal temperature after being sprayed, the appearance of a coating is smooth and bright, the leveling property is good, the mechanical property is good, the weather-proof property is excellent, after 2500 hours of QUV aging tests, the dulling rate is smaller than or equal to 15%, and delta E is smaller than or equal to 1.5, meanwhile, corrosion resistance is good, salt mist resistance reaches 1000 hours, and the one-way corrosion width is smaller than or equal to 2 mm.

Description

[technical field] [0001] The invention belongs to the technical field of water-based paints and preparation methods, and relates to a water-based paint with high salt spray and high weather resistance and a preparation method thereof. [Background technique] [0002] Corrosion of materials is a serious problem worldwide. Corrosion not only consumes precious wealth, but also destroys the normal operation of many activities such as production and life. The annual loss caused by metal corrosion in my country is as high as tens of billions of RMB, accounting for about 4% of the gross national value. With the increase of metal consumption, the loss will continue to increase. Such an astonishing loss stimulates the development of anti-corrosion coatings. At the same time, the coating film is prone to embrittlement, chalking, discoloration, loss of light, peeling and other problems when exposed to outdoor environmental conditions. The coating film needs to have high weather resista...

Claims

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Application Information

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IPC IPC(8): C09D133/08C09D125/14C09D5/08C08F220/18C08F212/08C08F220/28C08F220/14C08F220/06C08F230/08C08F220/22C08F214/04
Inventor 孔凡桃刘薇薇赵颖周贤林海莲张建中李磨
Owner HAOLISEN COATING SHANGHAI
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