Nano Grain Size Cesium Tungstate Applied For Nano-ceramic Dispersion Solution

Nano grain size cesium tungstate may be applied for preparing nano-ceramic dispersion solution. It is highly valued by ceramic manufacturers as such dispersion solution can enhance the performance of ceramics. Therefore, experts pay more attention to the preparation of nano cesium tungstate. In this regard, the expert proposed a preparation method of cesium tungstate nano powder, which includes the following steps:

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1.0 The reaction amount of ammonium tungstate and cesium carbonate was dissolved in a solvent of isopropyl alcohol, and the solution was boil-dried to obtain a powder, and the obtained powder was further subjected to jet milling to obtain a mixed powder of tungsten and cesium;

2.0 Place the tungsten and cesium mixed powders in a closed reaction vessel with stirring, and a diethylene glycol as a reaction solvent was added thereto, and the reaction was performed at 220°C for 5h, and the mass of the reaction solvent was 2.1 times the mass of a mixture of tungsten and cesium;

3.0 The reaction product in step 2.0 is separated by plate-frame pressure filtration separation method, and washed with deionized water or ethanol, dried, and then pulverized by a jet mill to obtain nano cesium tungstate. The air pressure of the air bag of the crushing chamber of the jet mill is 0.95MPa, and the speed of the classifier of the jet mill is set to 2500r/m.

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