Nano particle size cesium tungsten oxide, or nano grain size cesium tungsten bronze or nano Cs0.33WO3 particles, may be used to prepare a new type of transparent heat-insulating coating, so that it may be sprayed onto the architectural glass to obtain a transparent thermal insulation paper, i.e., heat insulation film. Based on epoxy resin, experts have prepared Cs0.33WO3 nano coating with a visible light transmittance of 75%. This coating not only has good optical properties, but also has thermal insulation properties.
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As you may have known, although the research on transparent thermal insulation coatings started late in China, it has also achieved certain development: In recent years, some experts have dispersed the cesium tungsten bronze nanoparticles and tin oxide nanoparticles into slurry. And the prepared composite slurry is directly added to the water-based polyurethane coating to prepare a transparent heat insulation coating with adjustable ding of near-infrared transmittance, so that it may be applied in building glass to play a role of heat insulation.
