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Water-based high-temperature-resistant paint

A high temperature resistant, water-based technology, applied in the field of paint, to achieve the effects of smoke and fire prevention, good adhesion and chemical resistance, and flame isolation

Inactive Publication Date: 2019-11-22
芜湖市颂晖商贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The adhesion and high temperature resistance of the above-mentioned water-based paints need to be further improved

Method used

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  • Water-based high-temperature-resistant paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A water-based high temperature resistant paint, calculated in parts by weight, comprising the following components:

[0020] 45 parts of epoxy modified silicone resin, 20 parts of benzyl silicone resin, 6 parts of crosslinking resin, 12 parts of modified magnesium aluminum hydrotalcite, 4 parts of mica powder, 6 parts of dispersant and 50 parts of water.

[0021] The preparation method of modified magnesium aluminum hydrotalcite comprises the following steps:

[0022] Add magnesium aluminum hydrotalcite and silicon nitride to dimethyl sulfoxide, carry out ultrasonic dispersion to obtain a dispersion liquid, raise the temperature of the dispersion liquid to 80°C, then add KH550 and water in turn, stir and react for 6 hours, cool down to 56°C and then Add diethyl chlorophosphite to react for 5h. The mass ratio of silicon nitride to magnesium aluminum hydrotalcite is 1:7, the mass ratio of KH550 to magnesium aluminum hydrotalcite is 1:23, and the mass ratio of diethyl chl...

Embodiment 2

[0024] A water-based high temperature resistant paint, calculated in parts by weight, comprising the following components:

[0025] 40 parts of epoxy modified silicone resin, 25 parts of benzyl silicone resin, 8 parts of crosslinking resin, 8 parts of modified magnesium aluminum hydrotalcite, 6 parts of mica powder, 2 parts of dispersant, 2 parts of anti-settling agent and water 40 servings.

[0026] The preparation method of modified magnesium aluminum hydrotalcite comprises the following steps:

[0027] Add magnesium aluminum hydrotalcite and silicon nitride into dimethyl sulfoxide, carry out ultrasonic dispersion to obtain a dispersion liquid, raise the temperature of the dispersion liquid to 70°C, then add KH560 and water in turn, stir for 8 hours, cool down to 50°C and then Add diethyl chlorophosphite to react for 6h. The mass ratio of silicon nitride to magnesium aluminum hydrotalcite is 1:8, the mass ratio of KH560 to magnesium aluminum hydrotalcite is 1:25, and the m...

Embodiment 3

[0029] A water-based high temperature resistant paint, calculated in parts by weight, comprises the following components:

[0030] 50 parts of epoxy modified silicone resin, 15 parts of benzyl silicone resin, 4 parts of crosslinking resin, 16 parts of modified magnesium aluminum hydrotalcite, 3 parts of mica powder, 5 parts of dispersant, 5 parts of leveling agent and water 60 servings.

[0031] The preparation method of modified magnesium aluminum hydrotalcite comprises the following steps:

[0032] Add magnesium aluminum hydrotalcite and silicon nitride to dimethyl sulfoxide, carry out ultrasonic dispersion to obtain a dispersion liquid, raise the temperature of the dispersion liquid to 90°C, then add KH550 and water in turn, stir for 4 hours, cool down to 60°C and then Add diethyl chlorophosphite to react for 3h. The mass ratio of silicon nitride to magnesium aluminum hydrotalcite is 1:6, the mass ratio of KH550 to magnesium aluminum hydrotalcite is 1:20, and the mass rat...

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Abstract

The invention provides water-based high-temperature-resistant paint which comprises the following components in parts by weight: 40-50 parts of epoxy modified silicone resin, 15-25 parts of benzyl silicon resin, 4-8 parts of cross-linked resin, 8-16 parts of modified magnesium-aluminum hydrotalcite, 3-6 parts of mica powder, 4-10 parts of an assistant and 40-60 parts of water. The modified magnesium-aluminum hydrotalcite is mainly prepared from magnesium-aluminum hydrotalcite, silicon nitride and a silane coupling agent. The water-based high-temperature-resistant paint can resist a high temperature of at least 800 DEG C, and has excellent adhesive force and corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of paints, in particular to a water-based high-temperature-resistant paint. Background technique [0002] With the improvement of the quality of human life, environmental protection regulations are becoming more and more stringent. Various environmental protection regulations have strict restrictions on the emission of volatile organic compounds (VOC), harmful solvents and various heavy metals. In the 1990s, actions to reduce solvent content and VOC in coatings were launched worldwide, which had a great impact on the industrial coatings and specialty coatings industries. Therefore, the development of green and environment-friendly coatings has become the development trend of the coatings industry. [0003] Any coating that uses water as a solvent or as a dispersion medium can be called a water-based paint. Water-based paint has many advantages, such as using water as a solvent, which can save a lot of reso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/06C09D183/04C09D7/62C09D7/61
CPCC08K2201/014C08L2201/08C08L2205/03C09D5/18C09D7/61C09D7/62C09D183/06C08L83/04C08K13/06C08K9/06C08K9/04C08K3/26C08K3/34
Inventor 汪泽维汪鹏
Owner 芜湖市颂晖商贸有限公司
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