Tungsten trioxide powder has the advantages of uniform distribution and good dispersibility, which may be used for producing heat insulation coating, thereby applying to heat-insulating glass. WO3 plays a role of high heat insulation and high visible light transmission in thermal insulation glass. And it is not easy to fade. Also, it will not affect wireless communication. Furthermore, its resistance to UV is up to 99% so that it can prevent furniture from fading and protect people from skin tanning.
Preparation of Tungsten Trioxide Powder by Hydrothermal Synthesis Method
Dissolve CTAB (hexadecyltrimethylammonium bromide) with deionized water to obtain the clear solution. Add H2WO4 powder into CTAB solution, which is stirred continuously, and then add Na2S to undergo hydrothermal reaction at 180°C for 12 hours to obtain tungsten trioxide with the morphology of nano band. Using Na2WO4 as raw material, tungsten trioxide with nano band shape may also be synthesized after mixing sulfate.
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