Cs doped tungsten oxide nanopowder, or cesium tungsten bronze nano particles, may be applied for preparing an environmentally-friendly thermal insulation new material - thermal insulation film.
Specifically, some experts have made nano cesium doped tungsten oxide powder into nano slurry using water as a solvent under a high-speed dispersing machine, and then adjusting the dispersing speed, dispersing time, adding chemical additives, etc. After that, the slurry is stirred and blended with the resin emulsion to obtain a dingal coating, which can be automatically formed at a normal temperature.
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Some experts have added the prepared slurry of nano cesium doped tungsten oxide and water droplets into the aqueous polyurethane emulsion, setting different dispersion speeds, time, etc. And then adding filming aids, leveling agents, and thickening agent during high-speed dispersion blending process. And a coating with a thermal insulation temperature difference of 6-9°C can be prepared in a relatively short dispersion time. The coating can transmit 80% of visible light.
