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High temperature resistant resin, its preparation method and application, high temperature resistant coating containing the high temperature resistant resin, its preparation method and coating

A high-temperature-resistant resin and high-temperature-resistant coating technology, applied in coatings, anti-corrosion coatings, fire-resistant coatings, etc., can solve problems such as easy discoloration, poor high-temperature resistance, yellowing or falling off, and achieve color retention and good adhesion , Good film-forming effect

Active Publication Date: 2022-04-15
北京绿色阿图科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing coatings have poor high temperature resistance, and are prone to discoloration, yellowing or peeling off under high temperature conditions, which can no longer meet the increasing requirements

Method used

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  • High temperature resistant resin, its preparation method and application, high temperature resistant coating containing the high temperature resistant resin, its preparation method and coating
  • High temperature resistant resin, its preparation method and application, high temperature resistant coating containing the high temperature resistant resin, its preparation method and coating
  • High temperature resistant resin, its preparation method and application, high temperature resistant coating containing the high temperature resistant resin, its preparation method and coating

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0046] A preparation method of high temperature resistant resin, comprising the following steps:

[0047] Monomer Mixing: Combine the Three C's 1 -C 5 Alkylethoxysilane, two C 1 -C 5 Alkyldiethoxysilane and C 1 -C 5 Alkyl triethoxysilane is mixed with ethyl orthosilicate, stirred and heated to obtain composition A;

[0048] Polymerization: Slowly add the acid solution to the composition A, dropwise within 50-70min, after the dropwise addition, the pH of the solution is 4-5, and stir for 4-5h;

[0049] Wherein, in the monomer mixing step, three C 1 -C 5 Alkylethoxysilane, two C 1 -C 5 Alkyldiethoxysilane and C 1 -C 5 The mass ratio of alkyl triethoxysilane to be added is 1: (4-6): (8-12), and the mass ratio of tri-C1-C5 alkylethoxysilane to ethyl orthosilicate is 1: (1.5-2.5);

[0050] Preferably, the triple C 1 -C 5 Alkylethoxysilane, two C 1 -C 5 Alkyldiethoxysilane and C 1 -C 5 Alkyltriethoxysilanes are selected from trimethylethoxysilane, dimethyldiethoxy...

preparation example 1

[0067] A preparation method of high temperature resistant resin, comprising the following steps:

[0068] Monomer mixing: Mix 5g of trimethylethoxysilane, 25g of dimethyldiethoxysilane, 50g of methyltriethoxysilane and 10g of ethyl orthosilicate, stir, and heat to 40°C to obtain a combination Object A;

[0069] Polymerization: Slowly add the acid solution to the composition A, dropwise within 60 minutes, the pH of the solution is 4 after the dropwise addition, keep stirring and reacting at 40°C for 4-5h after the dropwise addition, to obtain a high temperature resistant silicone resin.

preparation example 2

[0071] A method for preparing a high-temperature-resistant resin is carried out according to the method in Preparation Example 1, except that in the monomer mixing step, the amount of dimethyldiethoxysilane added is 20 g.

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Abstract

The application discloses a high temperature resistant resin and its preparation method and application, as well as a high temperature resistant coating containing the high temperature resistant resin and its preparation method and coating. The preparation method of the high temperature resistant resin comprises the following steps: monomer mixing; polymerization; The application also discloses the high temperature resistant resin prepared by the above method and the application of the resin. The application also discloses a high-temperature-resistant coating, which is prepared from the following raw materials in weight percent: resin; pigment and filler; dispersant; thickener; agent, stir, add pigments and fillers and thickeners and mix to obtain high temperature resistant coatings. The application also discloses a coating obtained by spraying the above paint. The high temperature resistant resin provided by this application has excellent temperature resistance, will not fall off or change color at 500°C, and the resulting coating will not fall off or change color at 600°C, and has excellent adhesion and mechanical properties.

Description

technical field [0001] This application relates to the technical field of coatings, more specifically, it relates to a high temperature resistant resin and its preparation method and application, as well as a high temperature resistant coating containing the high temperature resistant resin and its preparation method and coating. Background technique [0002] As one of the important products of fine chemical industry, paint is an indispensable supporting material for all sectors of the national economy. It endows different objects with functions such as decoration and protection. Today, with the rapid development of modern industry, coating products not only play an irreplaceable role in the national economy and people's lives, but also provide functional support and guarantee for military equipment such as national defense and military industry. With the rapid development of modern industry, the The requirements for high-temperature resistant coatings of equipment are getti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G77/04C08G77/06C09D183/04C09D5/08C09J183/04
CPCC08G77/04C08G77/06C09D183/04C09D5/08C09D5/18C09J183/04
Inventor 王建平咸才军
Owner 北京绿色阿图科技有限公司
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