Ammonium metatungstate nanoparticles can be used to prepare a new type of near-infrared absorbing pigment – cesium tungsten bronze nano powder, and the obtained dingal nanoparticles can be used for preparing transparent architectural glass heat insulation coating. Now, there are more and more glass architecture in the world. And therefore the environmentally-friendly transparent coating of cesium tungsten bronze will be more and more widely applied in the heat insulation fields.
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According to experts, a transparent thermal insulation coating of near-infrared absorbing pigment is characterized in that a transparent or translucent resin coating is dispersed with a surfactant-modified near-infrared absorbing pigment CsxWO3, 1≤x≤2, 1≤y≤2. Wherein the coating is translucent or transparent resin, which may be one or two complexes of polyethylene, polyvinyl chloride, polycarbonate, polystyrene, vinyl acetate, polymethyl methacrylate, polyvinylpyrrolidone, polyacrylic acid, polyvinyl alcohol, acrylic, polyurethane, and so on.
