Tungsten Oxide Nanoparticles Applied for Thermal Insulation Film

Tungsten oxide nanoparticles may be applied for preparing a thermal insulation film. The raw material tungsten oxide may be an electrochromic material or a photochromic material, both of which can be used to prepare building thermal insulation film - a transparent film that can freely adjust the passage of ultraviolet and infrared rays in sunlight.

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In addition to being prepared into a photochromic film, nano tungsten oxide can also be used to prepare an electrochromic film for the production of smart windows. When it comes to electrochromic films, the problem of manufacturing large-area electrochromic films is paid much attention. Although some companies in the United States, Germany, and Sweden have pushed all-solid-state electrochromic glass to the building energy-saving glass market, there are major differences in related materials and structures, product performance, and manufacturing processes. At present, some multinational companies are exploring the Chinese electrochromic glass market. Such glass is priced at 700-800$/m. in a word, such glass is expensive, the production technology is monopolized, and the promotion and application are limited. It means that the application prospects and market prospects of domestic tungsten oxide heat insulating films are broad.

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