Cesium Tungstate Powder Applied for Transparent Thermal Insulation Material

Cesium tungstate powder, mainly cesium tungstate nano powder, which has small particle size, less agglomeration, high purity and uniform dispersion, may be used for preparing transparent thermal insulation material, such as, cesium tungstate nano heat insulating coating.

Experts say that such a preparation method is needed today - simple and efficient. Also, it is easy to obtain the raw material. More important, it is industrially advantageous for the preparation of cesium tungstate nano heat insulation materials.

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Preparation of Nanometer Thermal Insulation Slurry of Cesium Tungstate

In terms of weight percent, the steps include: pre-dispersing 67-80% of deionized water, 10-30% of cesium tungstate nanopowder and 2-10% of polymeric anionic dispersant under stirring or ultrasonication. Then, grinding and dispersion were carried out to obtain cesium tungstate nano heat insulation slurry. Wherein, in the case of grinding and dispersing, the filling volume of the grinding ball is controlled to be 70-90%, and the grinding time is 5-10h; the particle size of the cesium tungstate nano heat insulation slurry is 10nm or less, and the solid content is 10-30% by weight.

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