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High-temperature-resisting powder coating

A technology of powder coating and high temperature resistance, applied in the field of powder coating, can solve the problems of low gloss retention rate and poor mechanical properties, and achieve the effect of extending shelf life, improving temperature resistance and avoiding gelation and deterioration

Inactive Publication Date: 2018-07-06
夏百庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Heat-resistant coatings are widely used in high-temperature parts of mechanical equipment. The usual high-temperature-resistant powder coatings are simply improved on the basis of existing ordinary powder coatings, so there are disadvantages such as low gloss retention and poor mechanical properties.

Method used

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Embodiment Construction

[0011] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0012] The invention provides a technical solution: a high-temperature-resistant powder coating, which is composed of the following raw materials: organic silicon resin, silicon micropowder, strontium chromate, zinc phosphate, flaky mica powder, zeolite, glass powder, polytetrafluoroethylene wax, Chitosan, Polymethylphenylsiloxane, Polyvinyl Alcohol, Aluminum Nitride.

[0013] Add trisodium phosphate solution into the reactor, slowly add zinc sulfate solution under stirring, carry out metathesis reaction at 70-80°C, after complete reaction, filter and rinse with water to remove sulfate ions, then pulverize and place at 120°C Dry to get the finished product, then crush the finished product and pass through a fine sieve to obtain the zinc phosphate ...

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PUM

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Abstract

The invention provides high-temperature-resisting powder coating. The high-temperature-resisting powder coating is prepared from the following raw materials: organic silicon resin, silicon micro-powder, strontium chromate, zinc phosphate, sheet-shaped mica powder, zeolite, glass powder, polytetrafluoroethylene wax, chitosan, polyphenylmethylsiloxane, polyvinyl alcohol and aluminum nitride. Compared with the prior art, the high-temperature-resisting powder coating has the following beneficial effects that the quality guarantee period of the coating is prolonged and can reach 1 year; the problemof existing paint coating that the paint coating is easy to gelatinize and go bad in a storage period is avoided; the gloss retention rate is greater than or equal to 50 percent and the attachment force is less than or equal to grade 2 under the condition that the coating is baked at high temperature of 500 DEG C for 24h. The temperature-resisting performance is greatly improved.

Description

technical field [0001] The invention relates to a high-temperature-resistant powder coating, which belongs to the technical field of powder coatings. Background technique [0002] High-temperature-resistant powder coatings refer to coatings that can withstand temperatures above 200°C for a long time without discoloration or damage to the coating film, and can still maintain appropriate physical and mechanical properties and play a protective role. Heat-resistant coatings are widely used in high-temperature parts of mechanical equipment. Usually, high-temperature-resistant powder coatings are simply improved on the basis of existing ordinary powder coatings, so they have disadvantages such as low gloss retention and poor mechanical properties. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a high temperature resistant powder coating to solve the problems raised in the background art above. ...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D127/18C09D105/08C09D129/04C09D5/03C09D7/61
Inventor 夏百庆
Owner 夏百庆
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