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Preparation method for outdoor water-borne anti-corrosive coating

An anti-corrosion coating, water-based technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of affecting the environment, irritating odor, harmful to human body, etc., and achieve the effect of long service life, no peeling, and strong coverage

Inactive Publication Date: 2016-11-16
YIXING JUREN PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention is aimed at the deficiencies of the current market products, especially affecting the environment, emitting pungent smell, and harmful to the human body, and provides a kind of outdoor water-based anti-corrosion coating and its preparation method

Method used

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  • Preparation method for outdoor water-borne anti-corrosive coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Add 50kg of epoxy-modified acrylic water-based resin, 25kg of water-based amino resin, and 5kg of titanium dioxide into the spare pot for storing distilled water for soaking according to the weight ratio (100kg as the unit), of which 20kg of distilled water is soaked for 10 minutes After that, then add 1kg defoamer;

[0019] (2) Turn on the mixer to stir evenly. After reacting for 1 hour, slowly heat up to 60°C, then add 1kg of dispersant and 2kg of thickener respectively, and slowly heat up to 80°C while stirring evenly;

[0020] (3) After uniform stirring and reaction for 40 minutes, carry out sand milling process, and control the fineness within 60um and viscosity within 60(s);

[0021] (4) Before filtering, let the product stand for 25 minutes before filtering, and the filtering fineness should be controlled within 60um;

[0022] (5) After passing the laboratory test, it will be measured and packaged for storage.

Embodiment 2

[0024] (1) Add 56kg of epoxy-modified acrylic water-based resin, 20kg of water-based amino resin, and 6kg of titanium dioxide to the spare pot for storing distilled water for soaking according to the weight ratio (100kg as the unit), of which 22kg is distilled water, soak for 15 minutes After that, then add 1.5kg defoamer;

[0025] (2) Turn on the mixer to stir evenly. After 1.5 hours of reaction, slowly heat up to 65°C, then add 1.5kg of dispersant and 1kg of thickener, and slowly heat up to 75°C while stirring evenly. ;

[0026] (3) After uniform stirring and reaction for 45 minutes, carry out sand milling process, and control the fineness within 60um and viscosity within 60(s);

[0027] (4) Before filtering, let the product stand for 30 minutes before filtering, and the filtering fineness should be controlled within 65um;

[0028] (5) After passing the laboratory test, it will be measured and packaged for storage.

Embodiment 3

[0030] (1) Add 51kg of epoxy-modified acrylic water-based resin, 21kg of water-based amino resin, and 8kg of titanium dioxide to the spare pot for storing distilled water for 20kg of distilled water and soak for 20 minutes according to the weight ratio (100kg as the unit). After that, then add 2kg defoamer;

[0031] (2) Turn on the mixer to stir evenly. After reacting for 1 hour, slowly heat up to 65°C, then add 1.5kg of dispersant and 1.5kg of thickener, and slowly heat up to 80°C while stirring evenly. ℃;

[0032] (3) After uniform stirring and reaction for 90 minutes, carry out sand milling process, and control the fineness within 65um and viscosity within 60(s);

[0033] (4) Before filtering, let the product stand for 40 minutes before filtering, and the filtering fineness should be controlled within 65um;

[0034] (5) After passing the laboratory test, it will be measured and packaged for storage.

[0035] The test detection method that the product of the present inven...

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Abstract

The invention discloses a method for preparing an outdoor water-based anti-corrosion coating, which is applied to the field of metal anti-corrosion in household indoors and outdoors, factories and mines. The coating is prepared by mixing the following proportions by weight: epoxy-modified acrylic water-based resin 50-65 20-25 parts of water-based amino resin, 7-10 parts of titanium dioxide, 20-25 parts of distilled water, 1-3 parts of dispersant, 1-2 parts of defoamer, and 1-3 parts of thickener. The outdoor water-based anti-corrosion coating provided by the present invention uses water as a diluent, does not add organic solvents such as benzene, toluene, methanol, formaldehyde, butyl ethyl ester, etc., and has no irritating odor, so it will not pollute the surrounding environment , and harmless to the human body. Does not change the existing anti-corrosion coating process, has good adaptability to the material surface, strong coating adhesion, full paint film, smooth and smooth, simple operation, safe and reliable, wear-resistant, weather resistance, etc., which are better than solvent-based coatings.

Description

technical field [0001] The invention relates to the chemical industry, and provides a preparation method for outdoor water-based anticorrosion coatings mainly aimed at the indoor and outdoor fields of large-scale factories and mines, as well as home decoration and the like. Background technique [0002] At present, most of the toxic and harmful solvents such as methanol and formaldehyde are used in the paint for use in the market. Since these toxic and harmful solvents cannot be volatilized in time, they will bring serious harm to the beautification of the home, the indoor and outdoor decoration of the house, and especially to the health of the human body. Hazards also affect the surrounding environment. The so-called water-based anti-corrosion coating is an environmentally friendly coating that uses water as a diluent without adding organic solvents, and does not contain toxic solvents such as benzene, toluene, xylene, methanol, and butyl ethyl ester. Therefore, water-based...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D161/20C09D5/08C09D7/12
CPCC09D133/00C08L2201/08C08L2205/02C08L2205/035C09D5/08C09D7/61C09D7/63C09D7/65C08L61/20C08K2003/2241C08K5/098
Inventor 钱剑峰
Owner YIXING JUREN PAINT
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