Cesium tungsten oxide, as a type of near-infrared shielding material, has high transmission of visible light. In other words, the dingal material of high heat insulation has high transmittance in the visible light band and high shielding performance in the near infrared band so that it can block the radiant energy of sunlight, thereby reducing the energy consumption in building and other aspects.
Preparation of Transparent Heat Insulation Film of Cesium Tungsten Oxide
Sodium tungstate and cesium sulfate were used as raw materials to prepare transparent cesium tungsten oxide aqueous nano dispersion solution by hydrothermal method, and then blended with aqueous resin to obtain the transparent film. Compared with cesium tungsten oxide nanopowder, it avoids the possibility that the surface of the particles in the subsequent blending process may have large polarity, difficult re-dispersion, and insufficient compatibility with the aqueous resin since the first step is to prepare an aqueous dispersion solution.
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