High-temperature-resistant coating and preparation method thereof

A high-temperature-resistant coating and raw material technology, which is applied in fire-resistant coatings, alginic acid coatings, coatings, etc., can solve the problems of poor thermal stability of high-temperature-resistant coatings, and achieve the effects of improving high-temperature resistance, enhancing high-temperature resistance, and avoiding collapse

Inactive Publication Date: 2021-01-01
CHENGDU YULONG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing high temperature resistant coatings use a single organic high temperature resistant or inorganic high temperature resistant to improve the high temperature resistance of the coating, but such high temperature resistant coatings have poor thermal stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) Weigh the following raw materials: 50kg of silicone resin, 25kg of nano-silica, 30kg of nano-ceramic particles, 3kg of graphite, 10kg of glass powder, 5kg of talcum powder, 7kg of aluminum silicate fiber, 5kg of sodium alginate, and 0.5 kg of calcium chloride. kg, silane coupling agent 5kg, deionized water 30kg, dipropylene glycol butyl ether 1kg, fatty acyldiethanolamine 0.8kg and polyoxypropylene glyceryl ether 0.5kg, spare;

[0023] 2) Dissolve sodium alginate in 10kg of deionized water, then add calcium chloride, graphite and 5kg of nano-silicon dioxide to mix evenly, then add nano-ceramic particles, stir and disperse for 30min under the stirring condition of 500rpm to obtain mixture A ,spare;

[0024] 3) Take the silicone resin and add it to 20kg of water, then add a silane coupling agent and mix with 20kg of nano-silicon dioxide to obtain a silicone resin / nano-silicon dioxide composite, which is set aside;

[0025] 4) Mix the mixture A obtained in step 2) with...

Embodiment 2

[0027] 1) Weigh the following raw materials: 55kg of silicone resin, 30kg of nano-silica, 35kg of nano-ceramic particles, 5kg of graphite, 12kg of glass powder, 6kg of talcum powder, 9kg of aluminum silicate fiber, 10kg of sodium alginate, and 0.8 kg of calcium chloride. kg, 7kg of silane coupling agent, 40kg of deionized water, 2kg of dipropylene glycol butyl ether, 1kg of fatty acyldiethanolamine and 0.6kg of polyoxypropylene glyceryl ether, spare;

[0028] 2) Dissolve sodium alginate in 15kg of deionized water, then add calcium chloride, graphite and 7kg of nano-silicon dioxide to mix evenly, then add nano-ceramic particles, stir and disperse for 40min under the stirring condition of 550rpm to obtain mixture A ,spare;

[0029] 3) Take the silicone resin and add it to 25kg of water, then add a silane coupling agent and mix with 23kg of nano-silica to obtain a silicone resin / nano-silica composite, which is set aside;

[0030] 4) Mix the mixture A obtained in step 2) with the...

Embodiment 3

[0032] 1) Weigh the following raw materials: 58kg of silicone resin, 32kg of nano-silica, 38kg of nano-ceramic particles, 6kg of graphite, 14kg of glass powder, 7kg of talcum powder, 10kg of aluminum silicate fiber, 12kg of sodium alginate, and 0.8 kg of calcium chloride. kg, 7kg of silane coupling agent, 45kg of deionized water, 3kg of dipropylene glycol butyl ether, 1.2kg of fatty acyldiethanolamine and 0.8kg of polyoxypropylene glyceryl ether, spare;

[0033] 2) Take sodium alginate and dissolve it in 18kg of deionized water, then add calcium chloride, graphite and 8kg of nano-silicon dioxide to mix evenly, then add nano-ceramic particles, stir and disperse for 45min under the stirring condition of 580rpm, and obtain mixture A ,spare;

[0034] 3) Take the silicone resin and add it to 27kg of water, then add a silane coupling agent and mix with 24kg of nano-silicon dioxide to obtain a silicone resin / nano-silicon dioxide composite, which is set aside;

[0035] 4) Mix the mix...

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PUM

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Abstract

The invention belongs to the field of coating processing, and particularly relates to a high-temperature-resistant coating and a preparation method thereof. The high-temperature-resistant coating comprises following raw material by weight: 50-60 parts of organic silicon resin, 25-35 parts of nano silicon dioxide, 30-40 parts of nano ceramic particles, 3-8 parts of graphite, 10-15 parts of glass powder, 5-8 parts of talcum powder, 7-12 parts of aluminum silicate fibers, 5-15 parts of sodium alginate, 0.5-1 part of calcium chloride, 5-10 parts of a coupling agent, 30-50 parts of deionized water,1-3 parts of a film forming agent, 0.8-1.5 parts of a dispersant and 0.5 part of a defoamer. The high-temperature-resistant coating disclosed by the invention is excellent in high-temperature resistance and good in thermal stability.

Description

technical field [0001] The invention relates to the field of paint processing, in particular to a high-temperature-resistant paint and a preparation method thereof. Background technique [0002] Coatings are applied on the surface of objects to be protected or decorated by different construction techniques to form a continuous solid film with strong adhesion and certain strength. High temperature resistant coatings generally refer to coatings that do not change color, do not fall off, and can still maintain appropriate physical and mechanical properties when the temperature is above 200°C, so that the protected object can function normally in a high temperature environment. It is widely used in High-temperature pipes, heat exchangers, high-temperature furnaces, petroleum cracking equipment, engine parts, exhaust pipes and other equipment surfaces are used to prevent thermal oxidation corrosion of steel and other metals at high temperatures, and have a wide range of applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D105/04C09D7/61C09D7/62
CPCC08K2003/162C08K2201/011C08L2201/08C09D5/18C09D183/04C09D7/61C09D7/62C09D7/70C08L5/04C08K13/06C08K9/10C08K7/10C08K3/36C08K3/04C08K3/40C08K3/34C08K3/16C08K3/014
Inventor 简帅叶锐张路卢克涛
Owner CHENGDU YULONG CHEM
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