Cesium Tungstate Nanopowder Applied for Thermal Insulation Coating

Cesium tungstate nanopowder may be applied to produce thermal insulation coating for use in architectural glass and automotive glass. As we all know, there is a big market in the fields of car and building, so a large amount of coating materials are needed to meet large-scale applications. Therefore, experts have studied the preparation method of nano grain size cesium tungstate and found a good preparation method of nanometer cesium tungstate including the following steps:

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1.0 The reaction amount of AMT and cesium sulfate are dissolved in solvent ethanol, and the solution is dried to obtain a powder, and the obtained powder is further pulverized to obtain a mixed powder of tungsten and cesium;

2.0 The tungsten and cesium mixed powder was placed in a closed reaction vessel with stirring, and a polypropylene glycol as a reaction solvent was added thereto and reacted at 240°C for 2.5 hours; wherein the mass of the reaction solvent was 1.8 times the mass of the mixed powder of tungsten and cesium;

3.0 The reaction product in step 2.0 is separated and washed with deionized water/ethanol, dried, and pulverized by a jet mill to obtain nano cesium tungstate. The air pressure is 0.65MPa, and the speed of the air pulverizer classifier is set to 4700r/m.

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