Cesium tungsten oxide nano powder may be applied for preparing infrared ultraviolet shielding material. The obtained material can be thermal insulating coating or thermal insulation film used primarily in the field of building or automotive. The thermal insulation effect of this new nanomaterial is achieved by absorbing infrared light.
Certainly, not only thermal insulation coating of nano grain size cesium tungsten oxide and thermal insulation film of nano particle size cesium tungsten oxide, but also many architectural thermal insulation window films and automobile thermal insulation films sold on the market are also mainly absorbed infrared light. However, these films will heat up significantly under the illumination of sunlight. Besides, some experts said that the answer is complicated whether the infrared energy absorbed by these films will be turned to the point where they will continue to transfer to the substrate material after "sucking" and affect the heat insulation effect or not. In this regard, some experts said that the heat insulation film or thermal insulation coating of cesium tungsten oxide nanopowder has the same the absorption principle as these commercially available thermal insulation films, but the overall performance of the heat insulation material adding with nano cesium tungsten oxide material is better than these heat insulating films. And there is no problem of significant temperature rise.
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