Nano particle size violet tungsten oxide may be applied to prepare thermal insulating film for use in heat insulating window glass such as building window glass or car window glass. It is well known that infrared light, also called infrared ray, is an electromagnetic wave with a wavelength between microwave and visible light, and a wavelength of between 760nm and 1mm. According to the wavelength, infrared ray can be classified into near-infrared, mid-infrared, and far-infrared. Infrared light, especially near-infrared, has a significant thermal effect, which tends to cause temperature rise. For example, it may cause an increase in temperature inside the car.
With the popularity of car beauty, film is an essential part. Certainly, more is to prevent the human body from being uncomfortable when the temperature inside the car is too high, and to apply the heat insulating film to the automobile glass. The heat-insulating film of violet tungsten oxide nanoparticles can not only achieve the effect of heat insulation, but also prevent solar radiation, prevent skin diseases, greatly extend the service life of the interior decoration, and make the interior temperature relatively constant.
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