Yellow Tungsten Oxide Applied for Flame Retardant Modification of Wool Fabric

Yellow tungsten oxide, or tungsten trioxide (WO3), can be used for flame retardant modification of wool fabric. Specifically, the researchers used WO3 sol instead of WO3 powder to flame retard the wool fabric.

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Compared with other fibers, wool has certain flame retardancy, while it still cannot meet some applications where the flame retardant performance requirements are more stringent, such as down jackets, fire uniforms, children's toys, and aircraft blankets. Therefore, the researchers' research on the flame retardancy of wool has never stopped. In recent years, researchers have used sol-gel technology to prepare WO3 sol and used it to manufacture flame-retardant wool fabrics. The results show that WO3 sol has a significant effect on improving the flame retardancy of wool fabrics. This also means that yellow tungsten oxide, a functional material with wide applications in gas sensors and smart windows, also has certain application prospects in flame retardant modification of wool fabric.

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