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Cold zinc-spraying coating material and preparation method thereof

A technology of cold-coating zinc and paint, applied in the direction of anti-corrosion paint, coating, etc., can solve the problems of unfavorable environmental protection, long curing time, weak bonding force, etc., reduce disposal and emission, improve anti-corrosion performance, and be beneficial to environmental protection Effect

Pending Publication Date: 2019-11-19
广东恒宝缘新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, hot spray galvanizing or galvanizing is used for brushing, and some of them are painted with anti-corrosion paint. The existing problems are: high requirements for anti-corrosion substrate treatment, too thick coating film is easy to crack, and the paint film is greatly affected by temperature and humidity when it is cured. , the curing time is long, and most of them have the disadvantages of poor weather resistance and weak adhesion, so the anti-corrosion performance is generally not ideal
In addition, it is also necessary to pickle and wash the steel substrate, and to treat and discharge waste water and waste acid, which is not conducive to environmental protection, and consumes a lot of energy and uses high costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A modified resin, the preparation method of which comprises the steps of: putting 10 parts of isobutylene triethoxysilane, 8 parts of butyl acrylate, 10 parts of styrene, and 10 parts of methyl methacrylate into a kettle, Pass nitrogen inside, heat up, and add 0.5 parts of benzoyl peroxide dropwise while stirring. After the dropwise addition, keep the constant temperature for 3.5 hours, then lower the temperature, add 8 parts of xylene, filter and pack.

[0015] A cold-coated zinc coating, the preparation method of which comprises the following steps: adding 8 parts of the above-mentioned modified resin into the kettle, adding 96 parts of high-purity zinc powder and 1 part of nano-silicon carbide under stirring, and adding MONORAL 3300 1.0 parts, xylene 8 parts, high-speed dispersion, filter packaging.

Embodiment 2

[0017] A modified resin, the preparation method of which comprises the steps of: putting 5 parts of isobutylene triethoxysilane, 10 parts of butyl acrylate, 8 parts of styrene, and 15 parts of methyl methacrylate into a kettle, Nitrogen was passed inside, the temperature was raised, and while stirring, 1 part of benzoyl peroxide was added dropwise. After the dropwise addition, the temperature was kept at a constant temperature for 3.5 hours, then the temperature was lowered, and 30 parts of xylene was added, filtered and packaged.

[0018] A cold-coated zinc coating, the preparation method of which comprises the following steps: adding 5 parts of the above-mentioned modified resin into the kettle, adding 98 parts of high-purity zinc powder and 2 parts of nano-silicon carbide under stirring, and adding MONORAL 3300 0.5 parts, xylene 5 parts, high-speed dispersion, filter packaging.

Embodiment 3

[0020] A modified resin, the preparation method of which comprises the steps of: putting 15 parts of isobutylene triethoxysilane, 5 parts of butyl acrylate, 15 parts of styrene, and 5 parts of methyl methacrylate into a kettle, Nitrogen was passed inside, the temperature was raised, and while stirring, 0.3 parts of benzoyl peroxide was added dropwise. After the dropwise addition, the temperature was kept at a constant temperature for 3.5 hours, then the temperature was lowered, and 55 parts of xylene was added, filtered and packaged.

[0021] A cold-coated zinc coating, the preparation method of which comprises the following steps: adding 10 parts of the above-mentioned modified resin into the kettle, adding 93 parts of high-purity zinc powder and 3 parts of nano-silicon carbide under stirring, and adding MONORAL 3300 0.5 parts, xylene 10 parts, high-speed dispersion, filter packaging.

[0022] Application of the cold-coated zinc paint prepared by embodiments of the present in...

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PUM

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Abstract

The present invention discloses a cold zinc-spraying coating material, which comprises, by mass, 5-10 parts of a modified resin, 93-98 parts of high-purity zinc powder, 1-3 parts of nanometer siliconcarbide, 0.5-1.0 part of an anti-settling agent, and 5-10 parts of an organic solvent. The invention further discloses a preparation method of the cold zinc-spraying coating material. According to thepresent invention, the obtained cold zinc-spraying coating material has characteristics of strong adhesion, low influence by external temperature and humidity, and good weather resistance, and does not require acid washing and water washing for steel and iron substrates so as to greatly reduce energy consumption and greatly reduce the treatment and discharge of wastewater and waste acids, such that the environmental protection is easily achieved, and the cold zinc-spraying coating material is the ideal product for replacing the hot-dip galvanizing process.

Description

technical field [0001] The invention belongs to the field of anticorrosion coatings, and in particular relates to a cold-coated zinc coating and a preparation method thereof. Background technique [0002] Since the steel structure is often corroded by external factors such as the atmosphere and chemical substances, corrosion usually occurs after several years of operation, which seriously affects the life of iron materials. In order to prolong the service life of the equipment and ensure the safe operation of the equipment, it is necessary to take timely anti-corrosion measures for iron materials, and propose high-efficiency and durable anti-corrosion coatings, and even require semi-permanent protection to prolong the service life of the equipment. [0003] At present, more than half of the steel products in the world are protected against corrosion by zinc protection. Zinc remains the simplest and most effective corrosion protection material. Generally, hot spray galvaniz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D143/04C09D133/12C09D125/14C09D5/10C09D7/61C08F230/08C08F220/14C08F212/08C08F220/18
CPCC08F212/08C08F220/14C08F230/08C08K2003/0893C09D5/106C09D125/14C09D143/04C09D7/61C08K3/08C08K3/34
Inventor 李伟奇吴春晖
Owner 广东恒宝缘新材料有限公司
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