Yellow tungsten oxide nanopowder may be firstly prepared into an aqueous dispersion, and then used in various transparent resins or various systems to prepare various high-performance heat-insulation glass coating or transparent heat-insulating anti-UV window film. And then the obtained films or coatings may be applied to construction industry or automobile industry.
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The aqueous dispersion of yellow tungsten oxide nanoparticles of a solid content of 20% is a heat insulating medium for window film with high transparency and high heat insulation performance. Usually, the raw material nanopowder is processed by a technique such as electron pairing, grinding, homogenization, and membrane filtration to obtain dispersed slurry. Specifically, the yellow tungsten oxide thermal insulation dispersion has excellent transparency, stability, compatibility, dispersibility and weather resistance. Also, such dispersion has good absorption and reflection effects on ultraviolet rays and near infrared rays. In particular, the blocking ability of IR in the near-infrared region is much larger than that of ATO and ITO. Therefore, the obtained environment-friendly transparent heat insulating coating of yellow tungsten oxide nanoparticles can shield ultraviolet rays and near infrared rays.
