Experts said that the infrared ultraviolet shielding material such as transparent thermal insulation coating prepared by using Cs0.32WO3 nanoparticles as dingal particles can have an ultraviolet blocking rate of over 99%, and the near-infrared shielding rate can reach more than 85%.
The prepared coating lasts for a long time, unlike ordinary transparent heat insulation coatings with short using life. Although the UV blocking rate of these common coatings can reach 97.5%, the duration is often only a few hours, and the problem cannot be solved fundamentally.
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The expert also mentioned a preparation method of a transparent heat-insulating coating for a near-infrared absorbing coating, which comprises the steps of: add a transparent or translucent resin to a solvent to dissolve or disperse, and directly use a surfactant to surface the near-infrared absorbing coating. After modification, it is added to a transparent or translucent resin matrix solution or dispersion, stirred uniformly to be dispersed, coated on a substrate, and naturally dried.
