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Wear-resistant high-temperature resistant coating having high adhesive force

A high-temperature-resistant coating and high-temperature-resistant filler technology, applied in anti-corrosion coatings, fire-resistant coatings, coatings, etc., can solve problems such as wear resistance, low solvent resistance, poor mechanical properties, and low adhesion

Inactive Publication Date: 2017-09-26
HEFEI MINGYOU HIGH TEMPERATURE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor mechanical properties of silicone itself, low adhesion, low wear resistance, and low solvent resistance, it is increasingly unable to meet the requirements of modern motors, electrical appliances, aerospace, and special media resistance.

Method used

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  • Wear-resistant high-temperature resistant coating having high adhesive force
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Weigh the following raw materials: 22 parts of silicone resin, 21 parts of high-temperature-resistant mica powder with a fineness of 800 mesh, 12 parts of aluminum silver paste, 11 parts of indigo inorganic pigment with a fineness of less than 500 mesh, and 9 parts of hydroxyacrylic resin film-forming agent , 6 parts of nano-zirconia ceramic powder, 3 parts of polyamide curing agent, 26 parts of xylene solvent.

[0019] According to the above ratio of parts by mass, the silicone resin and the film-forming agent were mixed and stirred at a stirring speed of 1100r / min for 15 minutes, then the mixture was added to the solvent at a stirring speed of 500r / min; , high-temperature-resistant filler, and nano-sized zirconia ceramic powder, mixed and stirred, and finally added a curing agent and an inorganic pigment, and continued to stir for 22 minutes to obtain the required high-temperature-resistant coating.

Embodiment 2

[0021] Weigh the following raw materials: 20 parts of silicone resin, 20 parts of high temperature resistant quartz powder with a fineness of 700 mesh, 10 parts of aluminum silver paste, 10 parts of black inorganic pigment with a fineness of less than 500 mesh, 7 parts of hydroxyacrylic resin film-forming agent, 5 parts of nano zirconia ceramic powder, 2 parts of polyamide curing agent, 25 parts of butyl acetate solvent.

[0022] According to the above ratio of parts by mass, the silicone resin and the film-forming agent were mixed and stirred at a stirring speed of 1000r / min for 10 minutes, then the mixture was added to the solvent at a stirring speed of 400r / min; , high-temperature-resistant filler, and nano-zirconia ceramic micropowder are added, mixed and stirred, and finally a curing agent and an inorganic pigment are added, and the stirring is continued for 20 minutes to obtain the desired high-temperature-resistant coating.

Embodiment 3

[0024] Weigh the following raw materials: 30 parts of silicone resin, 25 parts of high-temperature-resistant mica powder with a fineness of 800 mesh, 10-13 parts of aluminum silver paste, 15 parts of yellow inorganic pigment with a fineness of less than 500 mesh, and 10 parts of hydroxyl acrylic resin film-forming agent 8 parts, 8 parts of nano-zirconia ceramic powder, 4 parts of polyamide curing agent, 30 parts of xylene solvent.

[0025] According to the above ratio of parts by mass, the silicone resin and the film-forming agent were mixed and stirred at a stirring speed of 1100r / min for 15 minutes, then the mixture was added to the solvent at a stirring speed of 600r / min; , high temperature resistant filler, nano zirconia ceramic micropowder, mix and stir, finally add curing agent and inorganic pigment, and continue stirring for 30min to obtain the desired high temperature resistant coating.

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Abstract

The invention belongs to the technical field of equipment coating, and particularly relates to wear-resistant high-temperature resistant coating having high adhesive force. The coating includes silicone resin, a high-temperature resistant filler, aluminum paste, inorganic pigment, a film forming agent, nanometer zirconia ceramic micropowder, a curing agent and a solvent. The high-temperature resistant filler of the coating is quartz powder, mica powder or talcum powder, and the fineness of the filler is 700-800 meshes. The solvent is one of butyl acetate, xylene and n-butanol. The coating has uniform properties. An obtained coating layer of the coating is smooth, fine and good in adhesive force. The coating has excellent high-temperature resistance, good impact resistance, god wear resistance and good corrosion resistance. The coating is particularly suitable for surface protection of high-temperature motors, high-temperature electric resistance furnaces, and other devices.

Description

technical field [0001] The invention belongs to the technical field of equipment coatings, in particular to a wear-resistant and high-temperature resistant coating with high adhesion. Background technique [0002] High temperature resistant coatings can be divided into two categories: organic high temperature resistant coatings and inorganic high temperature resistant coatings. Phosphate lead powder coating is an inorganic high temperature resistant coating; Therefore, the preparation process is extremely simple, and cement is widely used in metallurgy and electrical industries. [0003] Silicone coating is a kind of organic high temperature resistant coating. Since the industrial production of organic silicon in the 1940s, the high temperature resistant coating formulated with its products has been widely used in high temperature motors and electrical insulation. For example, organosilicon-aluminum powder paint is used in high-temperature anti-corrosion coatings for aircra...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D133/00C09D5/25C09D5/10C09D7/12
CPCC09D183/04C08K2003/0812C08K2003/2244C08K2201/011C08L2201/08C08L2205/03C09D5/00C09D5/103C09D5/18C08L33/00C08L77/00C08K3/00C08K3/08C08K3/34C08K3/36C08K3/22
Inventor 王虎
Owner HEFEI MINGYOU HIGH TEMPERATURE TECH CO LTD
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