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High-temperature resistant anticorrosion paint with high irradiation rate and preparation method thereof

An anti-corrosion coating and high emissivity technology, applied in anti-corrosion coatings, fireproof coatings, coatings, etc., can solve the problem of reduced heat exchange efficiency of heaters and heat exchange pipes, increased corrosion of substrate materials, and easy cracks in coatings, etc. problems, to achieve the effect of improving heat exchange efficiency, improving heat utilization rate, and reducing heat loss

Active Publication Date: 2017-05-24
苏州合创电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual application process of the existing high emissivity coatings in heaters, heat exchange pipes, etc., the coating strength obtained by natural drying in a severe temperature change or high humidity environment is not high, the corrosion resistance is poor, and the coating is prone to corrosion. Cracks or even fall off, which in turn makes it easy to intensify the corrosion of substrate materials such as heaters and heat exchange pipes in high-temperature and high-humidity environments, resulting in a significant reduction in heat exchange efficiency of heaters, heat exchange pipes, etc.

Method used

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  • High-temperature resistant anticorrosion paint with high irradiation rate and preparation method thereof

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preparation example Construction

[0048] The present invention also provides a method for preparing a high-emissivity high-temperature-resistant anti-corrosion coating, comprising the following steps:

[0049] (1) Mix, stir and grind methylphenyl silicone, methyl silicone, zinc powder, aluminum powder, iron manganese black, copper chrome black;

[0050] (2) Add tetrabutyl titanate and tetramethylguanidine to the ground paint, and stir evenly.

Embodiment 1

[0053] A high-emissivity high-temperature-resistant anti-corrosion coating, the preparation method of which is as follows:

[0054] (1) 25 parts of methyl phenyl silicone (methoxyl content 16.8%, viscosity value 124mPa.s), 10 parts of methyl silicone (methoxyl content 35%, viscosity value 11mPa.s), ethyl acetate 4 parts of ester, 3 parts of cyclohexanone and 6 parts of barium sulfate were mixed and stirred until uniformly mixed.

[0055] (2) While stirring, add 3 parts of zinc powder, 6 parts of aluminum powder, 12 parts of low-melting glass powder, 5 parts of titanium dioxide, 4 parts of silicon carbide, 8 parts of iron manganese black, 8 parts of iron oxide black, and 4 parts of copper chromium black 3 parts, alumina 3 parts, fumed silica 0.5 parts, carbon black 0.5 parts, sericite 8 parts, talcum powder 5 parts, aluminum polyphosphate 5 parts, wetting agent 0.5 parts, leveling agent 0.5 parts, stir until dispersed uniform, and then pumped into a sand mill for grinding, and...

Embodiment 2

[0058] A high-emissivity high-temperature-resistant anti-corrosion coating, the preparation method of which is as follows:

[0059] (1) 20 parts of methyl phenyl silicone (methoxy content 18%, viscosity value 130mPa.s), 15 parts of methyl silicone (methoxy content 31%, viscosity value 8mPa.s), ethyl acetate 6 parts of ester, 2 parts of cyclohexanone and 4 parts of barium sulfate were mixed and stirred until uniformly mixed.

[0060] (2) While stirring, add 4 parts of zinc powder, 6 parts of aluminum powder, 8 parts of low-melting glass powder, 8 parts of titanium dioxide, 2 parts of silicon carbide, 10 parts of iron manganese black, 5 parts of iron oxide black, and 2 parts of copper chromium black 5 parts, alumina 5 parts, fumed silica 1.0 part, carbon black 1.0 part, sericite 5 parts, talcum powder 7 parts, aluminum polyphosphate 3 parts, wetting agent 1.0 part, leveling agent 1.0 part, stir until dispersed uniform, and then pumped into a sand mill for grinding, and the fine...

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Abstract

The invention discloses a high-temperature resistant anticorrosion paint with high irradiation rate and a preparation method thereof. The high-temperature resistant anticorrosion coating with high irradiation rate is prepared from the following raw material ingredients in parts by weight: 20-25 parts of methoxyphenyl organosilicon, 10-15 parts of methyl organosilicon, 0.5-1.0 part of tetrabutyl titanate, 0.5-1.0 part of tetramethyl guanidine, 2-4 parts of zinc powder, 4-6 parts of aluminum powder, 8-10 parts of manganese ferrite black spinel and 2-4 parts of copper chromite black spinel. A coating obtained by the paint has the advantages of high temperature resistance, anti-corrosion property and high irradiation rate.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a high-emissivity high-temperature-resistant anti-corrosion coating and a preparation method thereof. Background technique [0002] High emissivity paint is a new type of energy-saving paint with good heat radiation. It can improve heat radiation efficiency and enhance heat transfer when used in heaters, heat exchange pipes and other occasions. [0003] Existing high-emissivity coatings generally use inorganic adhesive systems, such as anhydrous silicic acid, sodium silicate, or inorganic phosphate, to achieve high temperature resistance. However, in the actual application process of the existing high emissivity coatings in heaters, heat exchange pipes, etc., the coating strength obtained by natural drying in a severe temperature change or high humidity environment is not high, the corrosion resistance is poor, and the coating is prone to corrosion. Cracks or even fall...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D5/08C09D5/10C09D7/12
CPCC08L2201/08C08L2205/025C09D5/084C09D5/103C09D5/106C09D5/18C09D7/61C09D7/63C09D183/04C08L83/04C08K13/02C08K5/10C08K5/31C08K2003/0893C08K2003/0812C08K3/08C08K3/34C08K2003/2241C08K3/04C08K2003/2227C08K2003/327C08K2003/3045
Inventor 李桂群陆芸凌湘川
Owner 苏州合创电子科技有限公司
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