Cs0.32WO3 nanoparticles, or cesium tungsten bronze nanoparticles, may be used to prepare near-infrared shielding material such as environmentally-friendly transparent heat-insulating coating, which may be applied to architectural glass. Among them, experts said that according to the film formation mechanism of coating, film formation can be divided into physical film formation and chemical film formation.
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Among them, the chemical film formation mainly forms a crosslinked network structure coating by a chain polymerization reaction or a stepwise polymerization reaction. The physical film formation includes three steps: solvent evaporation; the emulsion particles are close to deformation and tend to be dense; interdiffusion, and finally form a film when T>Tg. In addition, experts also mentioned that the formation of coatings is not a single film-forming form, and often two forms of film formation exist simultaneously. In other words, the coating of cesium tungsten bronze nano powder may also combine two forms of film formation.
