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Thermal-insulating heat-preserving flame-retardant coating for exterior wall of building and preparation method thereof

A technology for heat insulation and building exterior walls, applied in the field of coatings, can solve problems such as easy peeling, poor moisture resistance and fire resistance, and high price, so as to suppress radiant heat and heat conduction, improve coating adhesion, and prevent heat conduction Effect

Inactive Publication Date: 2018-11-16
WUHU ZHANGHONG ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently used building materials for thermal insulation and external wall insulation are not ideal in various properties, especially in terms of thermal insulation, weather resistance, acid and alkali resistance, etc., which cannot meet people's needs.
Exterior wall insulation materials in the prior art generally have hidden dangers such as high price, high thermal conductivity, high specific gravity, easy falling off, poor moisture resistance and fire resistance, and the organic components and pungent odors added in the processing of traditional insulation materials are easy to treat. Adverse effects on human health and the environment

Method used

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  • Thermal-insulating heat-preserving flame-retardant coating for exterior wall of building and preparation method thereof
  • Thermal-insulating heat-preserving flame-retardant coating for exterior wall of building and preparation method thereof
  • Thermal-insulating heat-preserving flame-retardant coating for exterior wall of building and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A heat-insulation and flame-retardant coating for building exterior walls, comprising the following raw materials in parts by weight:

[0032]

[0033]

[0034] The preparation method of the heat-insulating and flame-retardant coating for building exterior walls comprises the following steps:

[0035] (1) Under low-speed stirring at 1200r / min, sequentially add deionized water, glycerin, sodium hexametaphosphate, flame retardant char-forming agent, ammonium polyphosphate, rutile titanium dioxide, and then turn to 9000r / min Stir at high speed and continue to stir for 12 minutes;

[0036] (2) Then add expanded vermiculite, hollow glass microspheres, epoxy acrylate resin, amino resin, and continue to stir for 20min;

[0037] (3) Finally, add film-forming agent, dispersant, leveling agent, thickener, wetting agent, and defoamer, and continue stirring for 10 minutes to obtain the thermal insulation coating for building exterior walls.

Embodiment 2

[0039] A heat-insulation and flame-retardant coating for building exterior walls, comprising the following raw materials in parts by weight:

[0040]

[0041] The preparation method of the heat-insulating and flame-retardant coating for building exterior walls comprises the following steps:

[0042] (1) Under 800 / min low-speed stirring, sequentially add deionized water, glycerin, sodium hexametaphosphate, flame retardant char-forming agent, ammonium polyphosphate, rutile titanium dioxide, and then turn to 8000r / min Stir at high speed and continue to stir for 20 minutes;

[0043] (2) Then add expanded vermiculite, hollow glass microspheres, epoxy acrylate resin, amino resin, and continue to stir for 30min;

[0044] (3) Finally, add film-forming agent, dispersant, leveling agent, thickener, wetting agent, and defoamer, and continue stirring for 20 minutes to obtain the thermal insulation coating for building exterior walls.

Embodiment 3

[0046] A heat-insulation and flame-retardant coating for building exterior walls, comprising the following raw materials in parts by weight:

[0047]

[0048] The preparation method of the heat-insulating and flame-retardant coating for building exterior walls comprises the following steps:

[0049] (1) Under 1500r / min low-speed stirring, sequentially add deionized water, glycerin, sodium hexametaphosphate, flame retardant char-forming agent, ammonium polyphosphate, rutile titanium dioxide, and then turn to 10000r / min Stir at high speed and continue to stir for 10 minutes;

[0050] (2) Then add expanded vermiculite, hollow glass microspheres, epoxy acrylate resin, amino resin, and continue to stir for 20min;

[0051] (3) Finally, add film-forming agent, dispersant, leveling agent, thickener, wetting agent, and defoamer, and continue stirring for 10 minutes to obtain the thermal insulation coating for building exterior walls.

[0052] The performance test results of coatin...

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Abstract

The invention discloses a thermal-insulating heat-preserving flame-retardant coating for the exterior wall of a building and a preparation method thereof. The thermal-insulating heat-preserving flame-retardant coating comprises the following raw materials: epoxy acrylate resin, amino resin, expanded vermiculite, hollow glass beads, rutile titanium dioxide, sodium hexametaphosphate, a flame-retardant charring agent, ammonium polyphosphate, a preservative, an antifoaming agent, a dispersant, a leveling agent, a thickening agent, a film forming agent, glycerol and deionized water. The coating ofthe invention has good thermal insulation, heat preservation and flame retardation effects and has the characteristics of good adhesion, good anti-corrosion performance, difficulty in aging and falling off, long coating period and the like.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a heat-insulating and flame-retardant coating for building exterior walls and a preparation method thereof. Background technique [0002] Insulation coating is a kind of coating that realizes heat insulation and heat preservation through low thermal conductivity and high thermal resistance. It integrates microporous structure and reticular fiber structure, and has good tolerance, heat insulation performance and cold insulation performance, and is widely used In metallurgy, chemical industry, transportation and other fields, [0003] At present, buildings using external thermal insulation materials for external walls are still in the development stage in China, and the focus is on thermal insulation in cold northern regions and thermal insulation in southern regions. However, the currently used building materials for heat insulation and external wall insulation are n...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D161/20C09D5/18C09D5/08C09D5/14C09D5/33C09D7/61
CPCC08K2003/2241C08K2201/011C08L2201/02C08L2201/08C08L2312/00C09D5/004C09D5/08C09D5/14C09D5/18C09D161/20C09D163/10C09D7/61C09D7/70C08L61/20C08K13/04C08K7/26C08K7/28C08K3/22C08K3/32C08L63/10
Inventor 不公告发明人
Owner WUHU ZHANGHONG ENG TECH CO LTD
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