Cs0.33WO3 Thermal Insulation Film

Experts said that Cs0.33WO3 thermal insulation film is a new building thermal insulation material with high transparency and high heat insulation property. Its film-forming materials are available in a variety of types, such as water-based acrylic emulsion and polyurethane resin.

Experts used water-based acrylic emulsion and polyurethane resin as film-forming materials to prepare transparent thermal insulation coating with different concentrations of Cs0.33WO3. The transmittance spectra of Cs0.33WO3 film with different concentration use water-based acrylic emulsion and polyurethane resin are shown below.

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It can be seen from the picture that the near-infrared shielding properties exhibited by the two coatings are not obvious when the concentration of Cs0.33WO3 is 5.87wt%. And the coating has obvious near-infrared shielding performance when the concentration of Cs0.33WO3 is increased to 11.54wt%. At that time, the near-infrared shielding rate is about 80%, but the transmittance in the visible light region drops to about 50%. That is to say, a suitable Cs0.33WO3 concentration can produce a heat-insulating film with excellent near-infrared shielding properties and high visible light transmittance.

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