
Nano grain size cesium tungsten bronze may be used for the preparation of a new type of transparent thermal insulation paper. The obtained transparent “paper” is actually a dingal film. The dingal film can be prepared in accordance with a conventional preparation process, such as by formulating it into dingal slurry and then coating the slurry on a glass substrate to form a heat insulation film. Thus, the dingal film containing cesium tungsten bronze powder has excellent shielding performance to…