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Energy-saving and environmentally-friendly thermal insulation coating and preparation method thereof

A heat-insulating coating, energy-saving and environment-friendly technology, applied in the direction of coating, etc., can solve the problems that affect the aesthetics and durability of buildings, limit the development and application of heat-insulating coatings, and easily pollute the surface of external walls, so as to reduce the photocatalytic activity , reduce heat radiation, good heat insulation effect

Active Publication Date: 2017-06-13
东北大学秦皇岛分校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the heat insulation coatings currently available in the market still have problems such as low light reflection efficiency and poor heat insulation effect.
At the same time, the stain resistance of the paint is not strong, and the surface of the outer wall is easily polluted, which greatly affects the aesthetics and durability of the building.
On the other hand, the surface contamination of the coating will lead to problems such as the reflection efficiency cannot continue to be high
The above factors limit the development and application of thermal insulation coatings

Method used

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  • Energy-saving and environmentally-friendly thermal insulation coating and preparation method thereof
  • Energy-saving and environmentally-friendly thermal insulation coating and preparation method thereof
  • Energy-saving and environmentally-friendly thermal insulation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] An energy-saving and environment-friendly heat-insulating coating. The composition ratio of the coating is: dispersant 15g, wetting agent 7.5g, defoamer 10g, preservative 3g, highly dispersible TiO 2 33g, 25g of quartz, 36g of heavy calcium carbonate, 90g of pure acrylic emulsion, 24g of film-forming aid, hollow spherical SiO 2 15g, thickener 24g, water 67.5g.

[0048] Preparation method of coating:

[0049] (1) Add dispersant, wetting agent, 1 / 2 amount of defoamer, preservative, and water into the dispersion tank, start the mixer, adjust its speed to 1000 rpm, stir for 5 minutes, and stir evenly;

[0050] (2), then add highly dispersed TiO to the mixture obtained in (1) 2 , quartz, heavy calcium carbonate, stirred for 30 minutes;

[0051] (3) Adjust the speed of the mixer to 500 revolutions per minute, then add pure acrylic emulsion, film-forming additives, remaining defoamer, and hollow spherical SiO 2 , stirring for 5 minutes;

[0052] (4) Add thickener and dis...

Embodiment 2

[0073] An energy-saving and environment-friendly heat-insulating coating. The composition ratio of the coating is: dispersant 10g, wetting agent 5g, defoamer 6g, preservative 2g, highly dispersible TiO 2 23g, quartz 17g, heavy calcium carbonate 24g, pure acrylic emulsion 62g, film-forming aid 16g, hollow spherical SiO 2 10g, thickener 16g, water 45g.

[0074] Preparation method of coating:

[0075] (1) Add dispersant, wetting agent, 1 / 2 amount of defoamer, preservative, and water into the dispersion tank, start the mixer, adjust its speed to 1000 per minute, stir for 5 minutes, and stir evenly;

[0076] (2), then add highly dispersed TiO to the mixture obtained in (1) 2 , quartz, heavy calcium carbonate, stirred for 30 minutes;

[0077] (3) Adjust the speed of the mixer to 500 revolutions per minute, then add pure acrylic emulsion, film-forming additives, remaining defoamer, and hollow spherical SiO 2 , stirring for 5 minutes;

[0078] (4) Add thickener and disperse for 1...

Embodiment 3

[0099] An energy-saving and environment-friendly heat-insulating coating. The composition ratio of the coating is: dispersant 12g, wetting agent 6g, defoamer 10g, preservative 4g, highly dispersible TiO 2 25g, quartz 18g, heavy calcium carbonate 26g, 65g, film-forming aid 18g, hollow spherical SiO 2 10g, infrared reflective pigment 26g, thickener 14g, water 55g.

[0100] Preparation method of coating:

[0101] (1) Add dispersant, wetting agent, 1 / 2 amount of defoamer, preservative, and water into the dispersion tank, start the mixer, adjust its speed to 1000 per minute, stir for 5 minutes, and stir evenly;

[0102] (2), then add highly dispersed TiO to the mixture obtained in (1) 2 , quartz, heavy calcium carbonate, stirred for 30 minutes;

[0103] (3) Adjust the speed of the mixer to 500 revolutions per minute, then add pure acrylic emulsion, film-forming additives, remaining defoamer, and hollow spherical SiO 2 , infrared reflective pigment, stirring for 5 minutes;

[0...

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Abstract

The invention belongs to the field of building materials, and particularly discloses an energy-saving and environmentally-friendly thermal insulation coating and a preparation method thereof. The coating is prepared from the following components in parts by weight: 10 to 15 parts of a dispersing agent, 5 to 7.5 parts of a wetting agent, 6 to 10 parts of a defoaming agent, 2 to 4 parts of a preservative, 23 to 33 parts of high-dispersivity TiO2, 17 to 25 parts of quartz, 17 to 36 parts of heavy calcium carbonate, 62 to 90 parts of a pure acrylic emulsion, 16 to 24 parts of a film forming adjuvant, 10 to 15 parts of hollow spherical SiO2, 0 to 30 parts of an infrared reflection pigment, 14 to 24 parts of a thickener and 45 to 67.5 parts of water. By research on changes of the internal structure of the adjuvant and change of the internal microstructure of the coating, the thermal insulation coating is high in thermal insulation property, and has a self-cleaning characteristic.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to an energy-saving and environment-friendly heat-insulating coating and a preparation method thereof. Background technique [0002] Solar energy is a necessary condition for human survival and life, but strong radiation also brings some inconvenience to people's life. Our country consumes a huge amount of resources and energy for reducing indoor temperature every summer. In addition to the cooling energy consumption in summer, in winter, the indoor heat is lost through heat transfer as the temperature of the outer wall decreases. At present, external wall insulation materials such as phenolic insulation boards and ceramic insulation materials used on the external walls of buildings have high costs and are often not particularly perfect in use. [0003] Heat insulation coatings reduce the temperature of roofs and walls by blocking the heat transfer between the roof an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/12
CPCC08L2205/035C09D7/61C09D7/63C09D7/65C09D7/70C09D133/04C08L29/04C08L71/02C08L75/04C08K13/04C08K7/26C08K2003/2241C08K3/36C08K2003/265C08K5/053C08K5/3447
Inventor 李明智王海旺翁国明张睿毅冉轩豪李国辉刘东王佳杰马诚王柄筑魏新芳
Owner 东北大学秦皇岛分校
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