Tungsten oxide powder may be used to prepare a new transparent heat insulation coating. Generally, the heat-insulating film used in the building glass is a multi-layered tough polyester film, which is produced by dyeing, ultraviolet absorber injection, metallized magnetron sputtering, multi-layer composite, glue coating and other processes.
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While the preparation process of tungsten oxide thermal insulation coating is not so complicated, as the special optical properties of the raw material tungsten oxide nanoparticles make the coated glass have ultraviolet shielding and near-infrared shielding dings. Spraying such heat insulating glass coating directly on the glass surface can effectively shield the heat of sunlight, and control the indoor temperature rise in the hot summer, thereby reducing the air conditioning load and effectively reducing the air conditioning energy consumption by 30%-50%. In addition, the coating shields 99% of UV rays and protects the interior from fading. At the same time, the obtained glass windows or doors will have better explosion-proof and decorative properties, which greatly improve the safety performance of common building glass.
