Tungsten Oxide Nanoparticles Applied for Ceramic Microsphere

Tungsten oxide nanoparticles may be used to manufacture ceramic microsphere, which may be used to prepare transparent heat insulating films. Due to its advantages of high transparency, high heat insulation, anti-glare and environmental protection, such film has been widely used in the field of building energy conservation. For the raw material nano tungsten oxide particles, experts said that it can be prepared by solvothermal method.

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Experts have introduced that it is necessary to select a suitable reaction temperature according to the solvothermal reaction conditions, so the desired reaction product – nano particle size tungsten oxide can be obtained by different solvothermal reaction systems. In addition, although there is a large pressure in the solvothermal reaction system, the reaction rate is faster than the general melting method. But the reaction rate of solvothermal method is still slower than the homogeneous reaction, and therefore, in some solvothermal reaction processes, to obtain nanomaterials with different structures, sufficient reaction time is required.

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