Cesium tungstate powder may be applied for preparing heat insulating film and therefore be used in heat insulating window glass. And the obtained thin film can solve the problem that the original film can not be degraded in a short time after being discarded, resulting in environmental pollution. In addition, it also solves the problem of inconvenient construction.
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The heat insulating film is mainly based on the principle of photochromism. The film will undergo a color change reaction under the condition of light, from colorless to blue, and has a good shielding effect on light intensity and ultraviolet light. What is important is that the materials used in this kind of film are environmentally friendly and reliable. The nano cesium tungstate will not cause damage to the ecological environment, and overcome the solid waste pollution caused by the original materials after use. Compared with other methods, the technology has the advantages of no pollution, easy operation, high efficiency, and no corrosion of the workpiece. Its greater advantage lies in its simple equipment and easy on-site operation.
