Nano grain size tungsten trioxide for heat insulation masterbatch has photochromic property so that it may be applied to thermal insulation coatings or thermal insulation films. And finally it may be applied to architectural glass such as glass curtain wall, glass window, glass door, glass skylight, and glass sun room, etc. Also, it may be applied in many other places where high heat insulation and high transparency are required. It not only improves the comfort of human body, but also effectively reduces the indoor temperature, thus achieving the target of energy conservation and emission reduction.
Besides, tungsten trioxide also has electrochromic property, which is considered to be one of the most promising electrochromic materials. This is due to the advantages of tungsten trioxide, especially amorphous tungsten trioxide film, such as high coloring efficiency, good reversibility, short response time, long service life, low cost, wide optical range during coloring and fading.
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