A heat-reflecting heat-insulating coating with high pollution resistance and water resistance

A heat-insulating paint and pollution-resistant technology, applied in the field of paint, can solve the problems of attenuation of heat-insulating effect of reflective heat-insulating paint, poor water resistance, poor pollution resistance, rare reflective heat-insulating paint, etc., and achieve obvious and good reflective heat-insulating effect. Excellent adhesion and anti-settling performance

Active Publication Date: 2016-03-02
BEIJING SATELLITE MFG FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are few commercialized building thermal insulation coatings at present, and there are defects such as poor water resistance and pollution resistance, which make the thermal insulation effect of reflective thermal insulation coatings decay significantly, and the weather resistance is poor. Reflective thermal insulation coatings with high water resistance and pollution resistance relatively rare

Method used

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  • A heat-reflecting heat-insulating coating with high pollution resistance and water resistance
  • A heat-reflecting heat-insulating coating with high pollution resistance and water resistance
  • A heat-reflecting heat-insulating coating with high pollution resistance and water resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] 1. The composition and proportion are as follows:

[0041]

[0042] Among them, the water-based acrylic emulsion adopts Rohm and Haas 261P pure acrylic emulsion.

[0043] Two, the preparation method is as follows:

[0044] (1) Add dispersant, bactericide, defoamer, adhesion promoter, wetting agent, rheology additive A, film-forming aid and pH regulator into deionized water and stir evenly;

[0045] (2) Continue to add various paint filler components (titanium dioxide, high white aluminum silicate, barium sulfate, calcium carbonate, silicon oxide, mica powder) and stir evenly;

[0046] (3) Continue to add water-based acrylic emulsion and stir evenly, then add spherical silicone resin and stir evenly;

[0047] (4) Finally, add colloidal silicon, propylene glycol, rheological additive B, and rheological additive C, and stir evenly.

[0048] 3. Test results

[0049] After testing, the full-band reflectance of the coating film reaches 0.87, the full-band emissivity re...

Embodiment 2

[0051] 1. The composition and proportion are as follows:

[0052]

[0053]

[0054] Among them, the water-based acrylic emulsion adopts Rohm and Haas 261P pure acrylic emulsion.

[0055] Two, the preparation method is as follows:

[0056] The coating preparation method is carried out with reference to the method of Example 1.

[0057] 3. Test results

[0058] After testing, the full-band reflectance of the coating film reaches 0.87, the full-band emissivity reaches 0.90, the coating heat insulation temperature difference reaches 25.3°C, and the pollution resistance is 3.2%. After the coating film is polluted, it can be cleaned with clean water without wiping marks on the surface .

Embodiment 3

[0060] 1. The composition and proportion are as follows:

[0061]

[0062]

[0063] Among them, the water-based acrylic emulsion adopts Rohm and Haas 261P pure acrylic emulsion.

[0064] Two, the preparation method is as follows:

[0065] The coating preparation method is carried out with reference to the method of Example 1.

[0066] 3. Test results

[0067] After testing, the full-band reflectance of the coating film reaches 0.88, the full-band emissivity reaches 0.91, the coating heat insulation temperature difference reaches 25.6°C, and the pollution resistance is 1%. After the coating film is polluted, it can be cleaned with clean water without wiping marks on the surface .

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Abstract

The invention relates to a novel heat-reflection heat insulation coating with high pollution resistance and water resistance. The coating adopts such raw materials as water-based acrylic emulsion, titanium dioxide, colloidal silica, mica powder, high-brightness aluminum silicate, fluorine or silicone polymer stuffing, propylene glycol, a dispersing agent, a wetting agent, a rheological additive, an adhesive attraction accelerating agent, and a film coating additive. Through an optimal design for matching ratio of the raw materials, the prepared heat insulation coating has the characteristics of high water resistance, high pollution resistance, high reflectance, good uniformity and sedimentation resistance, obvious reflection and insulating effects and excellent comprehensive performance.

Description

technical field [0001] The invention relates to a coating, in particular to a heat-reflecting heat-insulating coating with high pollution resistance and water resistance. Background technique [0002] Saving energy, reducing consumption, and improving economic benefits are one of the basic goals of scientific research and technology development, and coating technology is no exception. Architectural reflective coatings have a high reflectivity, which can effectively reflect solar radiation energy back to the atmospheric space, reduce the absorption of solar radiation energy by the building wall, and achieve the effect of reducing the wall and indoor temperature, thereby reducing the energy consumption of air conditioning and cooling in summer . [0003] However, there are few commercialized building thermal insulation coatings at present, and there are defects such as poor water resistance and pollution resistance, which make the thermal insulation effect of reflective therm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D5/33C09D7/12
Inventor 张家强王兵存张立功白晶莹
Owner BEIJING SATELLITE MFG FACTORY
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