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Preparation method of high-weather-resistance heat-preservation composite coating

A thermal insulation composite and coating technology, which is applied in the direction of coating, etc., can solve the problems of low weather resistance of ordinary thermal insulation coatings, and achieve the effects of increasing weather resistance and mechanical properties, improving temperature resistance, and excellent heat resistance

Inactive Publication Date: 2021-03-19
成都湛怡峪涂料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the problem of low weather resistance of ordinary thermal insulation coatings, a preparation method of high weather resistance thermal insulation composite coatings is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]In parts by weight, weigh 10-20 parts of methyltrimethoxysilane, 10-20 parts of vinyltrimethoxysilane, 5-10 parts of vinyltriethoxysilane, 20-25 parts of xylene, 10-20 parts of boric acid with an average particle size of 100-200 μm, 50-100 parts of deionized water, methyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, 1 / 2 parts by weight of Boric acid is added into deionized water, placed in a water bath at 80-90°C and stirred at a speed of 200-300r / min for 10-20min, kept warm to obtain a mixed solution, and the remaining 1 / 2 weight part of boric acid is added to the mixed solution, at 80 Stir the reaction at 200~300r / min in a water bath at ~90°C for 1~2h to obtain a reaction liquid, put the reaction liquid in a vacuum distillation device, and reduce the reaction liquid under the conditions of temperature 80~90°C and pressure 20~60KPa Distill under pressure for 30-40min to obtain a mixture, add xylene to the mixture, stir at a speed of 180-200r / min at room...

Embodiment 2

[0038] In parts by weight, weigh 10-20 parts of methyltrimethoxysilane, 10-20 parts of vinyltrimethoxysilane, 5-10 parts of vinyltriethoxysilane, 20-25 parts of xylene, 10-20 parts of boric acid with an average particle size of 100-200 μm, 50-100 parts of deionized water, methyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, 1 / 2 parts by weight of Boric acid is added into deionized water, placed in a water bath at 80-90°C and stirred at a speed of 200-300r / min for 10-20min, kept warm to obtain a mixed solution, and the remaining 1 / 2 weight part of boric acid is added to the mixed solution, at 80 Stir the reaction at 200~300r / min in a water bath at ~90°C for 1~2h to obtain a reaction liquid, put the reaction liquid in a vacuum distillation device, and reduce the reaction liquid under the conditions of temperature 80~90°C and pressure 20~60KPa Distill under pressure for 30-40min to obtain a mixture, add xylene to the mixture, stir at a speed of 180-200r / min at roo...

Embodiment 3

[0042] In parts by weight, weigh 10-20 parts of methyltrimethoxysilane, 10-20 parts of vinyltrimethoxysilane, 5-10 parts of vinyltriethoxysilane, 20-25 parts of xylene, 10-20 parts of boric acid with an average particle size of 100-200 μm, 50-100 parts of deionized water, methyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, 1 / 2 parts by weight of Boric acid is added into deionized water, placed in a water bath at 80-90°C and stirred at a speed of 200-300r / min for 10-20min, kept warm to obtain a mixed solution, and the remaining 1 / 2 weight part of boric acid is added to the mixed solution, at 80 Stir the reaction at 200~300r / min in a water bath at ~90°C for 1~2h to obtain a reaction liquid, put the reaction liquid in a vacuum distillation device, and reduce the reaction liquid under the conditions of temperature 80~90°C and pressure 20~60KPa Distill under pressure for 30-40min to obtain a mixture, add xylene to the mixture, stir at a speed of 180-200r / min at roo...

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Abstract

The invention relates to a preparation method of a high-weather-resistance heat-preservation composite coating, and belongs to the technical field of heat preservation. Boric acid modified organic silicon resin emulsion is used as a base material to prepare the high-weather-resistance thermal-insulation composite coating, and the organic silicon resin contains Si-O bonds, silicon atoms and oxygenatoms with large difference in relative electronegativity, so that the polarity of the Si-O bonds is large, the oxidation energy of connected alkyl groups can be shielded, the thermal decomposition speed of the organic silicon resin is reduced, and the heat resistance is improved; boric acid is adopted to modify organic silicon resin, and boron atoms enter a molecular main chain, so that the bondenergy of a formed B-O bond is much higher than that of a Si-O bond, the modified silicon resin main chain is firmer and is not easy to break, and the temperature resistance of the modified silicon resin main chain is improved; and due to introduction of polyfunctional groups such as boric acid, a compact network structure can be formed in a modified silicon resin molecule, so that the weather resistance and the mechanical property of the coating are improved.

Description

technical field [0001] The invention relates to a preparation method of a high-weather-resistant thermal insulation composite coating, which belongs to the technical field of thermal insulation. Background technique [0002] High-performance environment-friendly building energy-saving materials will become a breakthrough in building thermal insulation and energy saving. Among building energy-saving materials, building energy-saving thermal insulation coatings are more and more popular due to their advantages of economy, convenient use, environmental protection and energy-saving effects, and their development prospects are bright. , It is expected to promote the expansion of the coatings market and the application field of energy-saving and thermal insulation materials. The development of building energy-saving thermal insulation coating technology has developed from the previous single, partial, and focus on a certain aspect of thermal insulation to the direction of integrat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/14C09D7/62C08G77/56
CPCC08G77/56C08L2201/08C08L2205/025C08L2205/035C09D183/14C09D7/62C09D7/70C08L83/04C08L1/286C08L29/04C08L63/00C08K9/06C08K7/28
Inventor 谭祖干
Owner 成都湛怡峪涂料科技有限公司
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