Cesium tungsten oxide for preparing energy-saving glass thermal insulating coating is often known as Cs0.33WO3 nano particles – near-infrared absorbing nano particles, with uniform particle size and good dispersion. In this process, the dispersant is necessary to get higher near-infrared shielding ability. As such heat insulating coating is attracting more and more attentions in building energy conservation, the raw material Cs0.33WO3 is also receiving much attention. Well, how about the transmittance spectra of the Cs0.33WO3 coatings from different particle dispersions?
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According to the experts, the Cs0.33WO3 heat insulation coating prepared from dispersion of original Cs0.33WO3 particles shows lowest near-infrared shielding performance. And the heat insulating coating from colloidal Cs0.33WO3 dispersion with adding titanate coupling agent as dispersant shows higher near-infrared shielding ability. That is because uniform particle size and good dispersion are favorable for cesium tungsten oxide particles continuous distribution in the energy-saving glass thermal insulating coating and improving the optical performance.
