Cesium tungsten oxide such as Cs0.33WO3 nano powder is a new dingal material with excellent heat-shielding performance to prepare window thermal insulation film. In this process, Cs0.33WO3 nanopowder is often prepared into dispersion, and then coating. And finally the transparent heat insulation coating is applied to glass window to obtain a new type of environmentally-friendly window thermal insulation film. Well, do you know what is the effect of the amount of ZrO2 beads on the secondary particle size of colloidal Cs0.33WO3 dispersion?
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According to the experts, the collision frequency between the Cs0.33WO3 particles and the ZrO2 beads increased as the quantity of beads increased. Thus, the secondary particle size of the Cs0.33WO3 dispersion decreased as the quantity of beads increased. And the experts found that the optimum quantity of beads was determined to be 5 or 6 times the weight of the Cs0.33WO3 suspension. When the quantity of ZrO2 beads was more than 6 times the weight of the Cs0.33WO3 suspension, the secondary particle size increased again. This result indicates that excessive quantity of ZrO2 beads has small effect on reduce of particle size or even unfavorable. The reason may be that massive ZrO2 beads can increase the collisions frequency, but the impact strength will become smaller.
