Cesium Tungsten Bronze Nanoparticle Applied for Transparent Heat-Insulation Coating

According to the experts, the size of cesium tungsten bronze nanoparticle has a significant effect on the haze of the transparent heat-insulation coating. And the visible light transmittance of the coating film is also directly related to the particle size of the cesium tungsten bronze. The larger the particle size, the lower the transmittance. Wherein, the haze of optical films is usually less than 1.0%.

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The experts also introduced that the larger the size of the cesium tungsten bronze nanoparticles in the resin matrix, the greater the haze of the prepared coating film. Therefore, if a transparent thermal insulation film puts forward high requirements for optical properties, reducing the size of cesium tungsten bronze nanoparticles in the resin matrix has become a basic requirement for improving the performance of coating films. That is to say, to prepare the heat-insulation coating with high transparency and low haze, the cesium tungsten bronze nanopowder used should have smaller particle size.

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