Violet tungsten oxide nanopowder may be used to prepare an energy saving glass coating with the advantages of high visible light transmittance, strong infrared and ultraviolet shielding performance, excellent anti-aging performance, high cost performance and environmental protection. Therefore, the thermal insulation coating of nano particle size violet tungsten oxide for applying to smart glass has become a research hotspot of many domestic and foreign scientific research workers in recent years.
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The transparent heat insulating glass coating of violet tungsten oxide nano particles is an organic-inorganic nano composite material in which an organic polymer is used as a substrate and inorganic W18O49 nanoparticles as a dispersed phase. The organic polymer is generally selected from resins such as water-based polyurethane, water-based acrylic resin, water-based fluorocarbon resin and the like. The inorganic nanoparticles are violet tungsten oxide nano powder and other tungsten oxides. Certainly, the inorganic component may be a composite of tungsten oxide and Antimony Tin Oxide (ATO), Indium Tin Oxide (ITO), or the like.