Cesium Tungsten Oxide Applied for Transparent Glass Coating

Cesium tungsten oxide for preparing transparent glass coating is Cs0.33WO3 nano particles. And the coating is well-known as a near-infrared shielding coating, or a heat insulation coating or a heat-shielding coating as Cs0.33WO3 nanopowder can absorb most of the near-infrared rays in the sunlight to shield heat. Well, do you know when is the right point in time to add dispersant? After ball-milling? Or before ball-milling?

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It had better to add dispersant after ball-milling. According to the experts, they found that adding dispersant after ball-milling is more favorable for achieving good dispersion stability. On the contrary, when adding the dispersant before ball-milling, it will destroy the steric stabilization and cause agglomeration. This result indicates that adding dispersant after ball-milling is favorable for obtaining colloidal Cs0.33WO3 coating solution with better dispersion stability. In other words, the transparent glass coating of cesium tungsten oxide will have better dispersion stability if the dispersant is added after ball-milling.

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