Violet Tungsten Oxide Applied for Sun Protection Film

Violet tungsten oxide for sun protection film can be prepared by a sol-gel method. Experts say that the preparation method has the advantages of high purity of the product. This method is suitable for the preparation scheme that has doping requirements of the reaction product, particularly, for the preparation of uniform films, coatings and the like.

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However, this method also has obvious disadvantages. The controllability of the reaction is not high. And the reaction process needs to be dried. Therefore, the reaction product is prone to appear the phenomenon of hard agglomeration. And therefore it requires precise control. So, how about the heat insulation film of nano violet tungsten oxide powder? This kind of thermal insulation film has improved people's quality of life to some extent. Good light transmission, coupled with excellent thermal insulation properties, such smart film can effectively shield solar energy and avoid high-infrared radiation, so the indoor protection effect is very good.

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