Solvent type heat insulation fluorocarbon exterior wall coating

An exterior wall paint, solvent-based technology, applied in the direction of reflection/signal paint, coating, etc., can solve the problems of anti-fouling and poor durability, and achieve the effect of good durability, increased durability, and excellent anti-corrosion performance.

Active Publication Date: 2009-05-06
CHINA BUILDING MATERIALS ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the heat-insulating coating is a water-based coating, it has defects such as anti-sticking, poor durability, etc.

Method used

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  • Solvent type heat insulation fluorocarbon exterior wall coating
  • Solvent type heat insulation fluorocarbon exterior wall coating
  • Solvent type heat insulation fluorocarbon exterior wall coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035]

[0036] The above components are formulated into component A and component B respectively, and mixed when used.

[0037] Utilize the coating that this coating (quality 200 grams) is made, carry out following performance detection respectively:

[0038] 1. Thermal conductivity test: According to the provisions of GB / T 10294-88, GB / T 13475-92 and JGJ 51-2002 standards, the thermal conductivity of the coating is measured by a thermal conductivity tester to be 0.038W / m K, and the thermal conductivity is small , indicating poor thermal conductivity.

[0039] 2. Surface solar reflectance test: According to the requirements of GJB 9001A-2001 quality management system, the reflectance and hemispherical reflectance of the coating in the spectral range of 250-2800nm ​​are measured. The result is a solar albedo of 0.89 and a hemispheric albedo of 0.86. This value shows that the average reflectance of sunlight between 250 and 2800 nm is 89%, and 86% of the absorbed energy can...

Embodiment 2

[0043]

[0044]The above components are formulated into component A and component B respectively, and mixed when used.

[0045] Use the same method as Example 1 to carry out functional testing, the results: the thermal conductivity of the coating is 0.045W / m K; the solar reflectance is 0.88, and the hemispherical reflectance is 0.86; The temperature of the back box of the model is 11°C lower, and it will not fade or pulverize after 2500 hours.

Embodiment 3

[0047]

[0048]

[0049] Use the same method as Example 1 to carry out functional testing, the results: the thermal conductivity of the coating is 0.055W / m K; the solar reflectance is 0.86, and the hemispherical reflectance is 0.86; The temperature of the back box of the model is 13°C lower, and it will not fade or pulverize after 2500 hours.

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Abstract

The invention discloses a solvent-type fluorocarbon heat insulation and isolation coating which uses hollow glass micro-beads, hollow ceramic micro-beads and the like as heat insulation and isolation materials and uses titanium pigment, aluminium powder (slurry) and the like as reflective materials. The heat conductivity coefficient of the coating is less than 0.055 W/m.K; the reflectivity of sunlight is more than or equal to 0.85; the reflectivity of a hemisphere is more than or equal to 0.85; the time for aging resistance is 2,500 hours; and the coating does not fade or pulverize. The solvent-type fluorocarbon heat insulation and isolation coating belongs to the field of building material, can be applied to the surfaces of outer wall, roof, cement, ceramic tile, glazed tile, decorative tile and other materials. The coating has the function of outer wall decoration, heat insulation, heat isolation and the like.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a novel exterior wall coating decoration material, which can be applied to the surfaces of building exterior walls, roofs, concrete, ceramic tiles, metal plates, glazed bricks, decorative tiles and the like. In addition to the function of the exterior wall decoration material, the coating also has the functions of heat insulation and the like. Background technique [0002] With the increasingly acute energy problems, countries around the world have also begun research on energy-saving systems while developing new energy sources. The thermal insulation system of buildings is an important part of the energy-saving system, and the thermal insulation coatings on the surface of buildings have also attracted widespread attention from all over the world, and thermal insulation coatings with various performances have been applied. [0003] There are hundreds of research uni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D5/33
Inventor 王静冀志江范波波曹延鑫李海建王继梅王晓燕
Owner CHINA BUILDING MATERIALS ACAD
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