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Coating composition for manufacturing ceramic-like coating as well as preparation method and application of coating composition

A technology of ceramic coating and composition, which is applied in the field of making ceramic-like coating composition and its preparation, which can solve the problems of limited application, difficult local repair, brittle material, etc., and achieve the effect of wide application range

Inactive Publication Date: 2021-08-13
恒昌涂料(惠阳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Ceramic materials have the characteristics of good weather resistance, easy cleaning, scratch resistance and wear resistance, etc., but their materials are brittle, difficult to process and shape, and difficult to repair locally, and the repair effect is not ideal
At present, through plasma spraying technology, ceramic materials can be sprayed on the surface of various metal or non-metallic materials for modification, but the high cost of plasma spraying and large investment in equipment greatly limit its application

Method used

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  • Coating composition for manufacturing ceramic-like coating as well as preparation method and application of coating composition
  • Coating composition for manufacturing ceramic-like coating as well as preparation method and application of coating composition
  • Coating composition for manufacturing ceramic-like coating as well as preparation method and application of coating composition

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Experimental program
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Effect test

preparation example Construction

[0028] The preparation method of above-mentioned coating composition embodiment, comprises the following steps:

[0029] S1. Preparation of component A: Mix aluminum hydroxide and water evenly, stir and add phosphoric acid, heat the mixture to 90°C, stir until transparent, keep it warm for 6 hours, add the remaining materials after cooling to room temperature, and stir evenly to obtain component A;

[0030] S2. Preparation of component B: Add materials except glass fiber into a ball mill, mix for 2 hours, put the material after ball milling into a conical mixer, add glass fiber, stir and mix for 15 minutes to obtain component B.

[0031] For the application of the above coating composition example, the component A and component B were stirred and mixed for 15 minutes at a mass ratio of 40:100, uniformly coated on the substrate, and cured at room temperature to obtain a ceramic-like coating:

Embodiment 1

[0032] Embodiment 1 and comparative example 1 are used for metal surface decoration and anticorrosion;

Embodiment 2

[0033] Embodiment 2 and comparative example 2 are used for PVC plastic surface decoration;

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Abstract

The invention belongs to the technical field of coatings, and provides a coating composition for manufacturing ceramic-like coating, which comprises a component A and a component B, the component A comprises the following components in percentage by mass: 0.5-10% of aluminum hydroxide, 15-60% of phosphoric acid and the balance of water, and the sum of the components is 100%; the component B comprises the following components in percentage by mass: 3-30% of high-alumina cement, 50-80% of quartz powder, 2-10% of fly ash, 0.5-3% of anhydrite and 5-15% of kaolin, and the sum of the components is 100%. According to the coating composition, the phosphoric acid-aluminum hydrogen phosphate mixture serves as a main film forming substance, inorganic ceramic coatings can be formed on the surfaces of various base materials through normal-temperature or high-temperature baking, and the coatings have good scraping and abrasion resistance, chemical resistance, flame retardance, weather resistance and easy-to-clean performance and can protect the base materials in the high-temperature, high-humidity and high-corrosion environments.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a coating composition for making ceramic-like coatings, a preparation method and application thereof. Background technique [0002] Ceramic materials have the characteristics of good weather resistance, easy cleaning, scratch resistance and wear resistance, etc., but their materials are brittle, difficult to process and shape, and difficult to repair locally, and the repair effect is not ideal. Now through plasma spraying technology, ceramic materials can be sprayed on the surface of various metal or non-metallic materials for modification, but the high cost of plasma spraying and large investment in equipment greatly limit its application. The present invention replaces plasma spraying by means of chemical reaction, and can form a composite ceramic coating on the surface of the substrate, which reduces the application cost of ceramic materials, is easy to construct ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/08C09D7/61
CPCC09D1/00C09D5/08C09D7/61C09D7/70
Inventor 楼建余杨小波李剑陈荣幸
Owner 恒昌涂料(惠阳)有限公司
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