Nano Cesium Tungstate Applied for Near-Infrared Shielding Material

Nano cesium tungstate may be applied for producing near-infrared shielding material, such as cesium tungstate nano heat insulating water-based coating, which have excellent thermal insulation property and UV shielding property, and do not affect indoor lighting. So, such water-based coating is used in buildings and automobiles. In other words, the cesium tungstate powder has a wider range of applications. Therefore, the preparation of cesium tungstate nano heat insulating water-based coating is very important. In this regard, some experts have found that the following method can prepare cesium tungstate nanopowder with the above-mentioned excellent properties.

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A method of preparing cesium tungstate nano heat insulating water-based coating, wherein, by weight percentage, comprising the following components: 10-30% of cesium tungstate nano heat insulation slurry, 30-65% of aqueous resin, 1-10 % coating additive, 15-55% solvent. The aqueous resin is aqueous polyurethane resin or aqueous acrylic resin; and the coating additive includes at least one of a dispersing agent, a film forming aid, a leveling agent, an antifoaming agent, and a thickening agent. According to the above formula, the cesium tungstate nano heat insulation slurry is added to the aqueous resin, stirred and dispersed for 10-30 minutes, and then added with a coating additive and a solvent, and stirred and uniformly mixed to obtain cesium tungstate nano heat insulating water-based coating.

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