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Low thermal conductivity wall thermal insulation coating and its preparation method

A low thermal conductivity, thermal insulation coating technology, applied in the direction of anti-corrosion coatings, fire-resistant coatings, polyamide coatings, etc., can solve the problems of poor thermal insulation performance and impact resistance, low thermal conductivity protective layer, low wall bonding strength, etc., to achieve anti-corrosion The effect of good water performance, good flexibility and good corrosion resistance

Inactive Publication Date: 2017-09-15
合肥市淑芹美装饰工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a low thermal conductivity wall thermal insulation coating and its preparation method, which will form closed micropores and reticular fiber structures on the wall after solidification, form a low thermal conductivity protective layer, and have good corrosion resistance , cohesiveness and compressive strength, which effectively solve the problems of poor thermal insulation performance and impact resistance of coatings, low bonding strength to walls, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A low thermal conductivity wall thermal insulation coating, comprising the following raw materials: 75 parts of polyamide resin, 55 parts of epoxy resin, 45 parts of modified hollow ceramic microspheres, 35 parts of silica airgel, and 30 parts of talcum powder 25 parts of glass wool, 20 parts of inorganic additives, 15 parts of infrared reflective pigments, 15 parts of additives and 85 parts of deionized water;

[0032] The modified hollow ceramic microspheres include the following raw materials: 22 parts of hollow ceramic microspheres, 10 parts of hydrofluoric acid solution and 5 parts of chromium aluminum phosphate solution;

[0033] The auxiliary agent includes the following raw materials in parts: 3 parts of film-forming auxiliary agent, 3 parts of antifreeze agent, 1 part of curing agent, 1 part of dispersant, 0.2 part of defoamer and 0.2 part of wetting agent.

[0034] Wherein, the particle diameter of the hollow ceramic microspheres is 30 microns, the concentrati...

Embodiment 2

[0047] A low thermal conductivity wall thermal insulation coating, comprising the following raw materials: 85 parts of polyamide resin, 65 parts of epoxy resin, 55 parts of modified hollow ceramic microspheres, 40 parts of silica airgel, 33 parts of talcum powder 27 parts of glass wool, 23 parts of inorganic additives, 20 parts of infrared reflective pigments, 18 parts of additives and 95 parts of deionized water;

[0048] The modified hollow ceramic microspheres include the following raw materials: 25 parts of hollow ceramic microspheres, 13 parts of hydrofluoric acid solution and 8 parts of chromium aluminum phosphate solution;

[0049] The auxiliary agent includes the following raw materials: 5 parts of film-forming auxiliary agent, 5 parts of antifreeze agent, 2 parts of curing agent, 2 parts of dispersant, 1.2 parts of defoaming agent and 0.8 part of wetting agent.

[0050] Wherein, the particle diameter of the hollow ceramic microspheres is 60 microns, the concentration ...

Embodiment 3

[0063] A low thermal conductivity wall thermal insulation coating, comprising the following raw materials: 80 parts of polyamide resin, 60 parts of epoxy resin, 50 parts of modified hollow ceramic microspheres, 37.5 parts of silica airgel, 31.5 parts of talcum powder 26 parts of glass wool, 21.5 parts of inorganic additives, 17.5 parts of infrared reflective pigments, 17.5 parts of additives and 90 parts of deionized water;

[0064] The modified hollow ceramic microspheres include the following raw materials: 23.5 parts of hollow ceramic microspheres, 11.5 parts of hydrofluoric acid solution and 6.5 parts of chromium aluminum phosphate solution;

[0065] The auxiliary agent includes the following raw materials: 4 parts of film-forming auxiliary agent, 4 parts of antifreeze agent, 1.5 parts of curing agent, 1.5 parts of dispersant, 0.7 part of defoamer and 0.5 part of wetting agent.

[0066] Wherein, the particle diameter of the hollow ceramic microspheres is 45 microns, the co...

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Abstract

The invention discloses a low thermal conductivity wall thermal insulation coating and its preparation method and relates to the technical field of building materials. The low thermal conductivity wall thermal insulation coating is prepared from 75 to 85 parts of polyamide resin, 55 to 65 parts of epoxy resin, 45 to 55 parts of modified hollow ceramic beads, 35 to 40 parts of silica airgel, 30 to 33 parts of talc powder, 25 to 27 parts of glass wool, 20 to 23 parts of an inorganic additive, 15 to 20 parts of an infrared reflective pigment, 15 to 18 parts of aids and 85 to 95 parts of deionized water. The low thermal conductivity wall thermal insulation coating can form a low thermal conductivity protection layer on the wall after curing and has good corrosion resistance, cohesiveness and compressive strength.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a wall thermal insulation coating with low thermal conductivity and a preparation method thereof. Background technique [0002] At present, thermal insulation coatings are widely used in various fields of the national economy. However, general thermal insulation coatings are poor in reducing convection and radiation heat transfer, and the thermal insulation layer is thick, not resistant to vibration, high water absorption, and long service life. Short, poor anti-corrosion ability, the most widely used barrier type thermal insulation coating is composite silicate thermal insulation coating, which has been widely used in practical applications. However, the coating still has defects caused by its own material structure, such as long drying period, construction conditions are greatly affected by seasons and climates, poor impact resistance, large drying shrinkage, hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D177/00C09D163/00C09D5/08C09D7/12C09D5/18C09D5/33C08G59/62
CPCC09D177/00C08G59/623C08L2201/02C08L2201/08C08L2205/035C09D5/004C09D5/08C09D5/18C08L63/00C08K13/06C08K9/02C08K7/28C08K3/34C08K7/14C08K7/26
Inventor 岳佐梅
Owner 合肥市淑芹美装饰工程有限公司
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