Tungsten hexachloride is a special powder material synthesized by chlorination of high-purity tungsten under certain conditions. At present, this material is mainly used as a catalytic material for the synthesis of pharmaceutical and pesticide intermediates, and high-strength and temperature-resistant polydicyclopentadiene Synthetic catalytic materials for engineering plastics, synthetic materials for semiconductor metal films for solar thin film batteries, synthetic materials for nano-superhard cutting materials tungsten carbide, precursors for integrated circuit chip materials, synthetic materials for bulletproof materials such as fullerene tungsten disulfide, etc., special chlorine-based tungsten materials It has an irreplaceable position in the fields of medical treatment, agriculture, engineering, energy, military industry and so on.
Tungsten hexachloride is the best raw material for the production of high-purity nano-tungsten, tungsten trioxide, high-purity tungsten carbide and its thin films. It has the characteristics of low production cost, controllable production process and simple operation. Tungsten hexachloride has a low melting point and high reactivity. It can be uniformly mixed with reducing gases such as hydrogen and methane under gaseous conditions, and directly react to form high-purity nano-tungsten powder, tungsten carbide powder and its film, which can be used in national defense, Aerospace, semiconductor and other demanding fields. High-purity tungsten is an indispensable metal in the metallization process of integrated circuit chips. It has the ability to uniformly fill high-aspect-ratio via holes, and has the ability to resist failure caused by electromigration. At present, Samsung Electronics of South Korea uses tungsten hexachloride as the metal The precursor of tungsten, so tungsten hexachloride is an important raw material for the development of semiconductor manufacturing industry; tungsten carbide prepared by vapor phase reduction can be directly deposited on the surface of precision devices to form a dense and hard protective layer to achieve the effect of anti-wear and pressure resistance, which is It cannot be achieved by ordinary tungsten carbide powder.
In the field of medicine, it is an indispensable and important raw material for the production of certain new medicines or pharmaceutical intermediates. According to Chinatungsten Online, tungsten hexachloride is an important raw material for catalyzing the synthesis of aldehyde KarimiB (diacetate) and some anti-tumor and anti-viral pharmaceutical intermediates. The unique catalytic performance of tungsten hexachloride plays an important role in organic synthesis and biomedicine. In China, tungsten hexachloride is a catalyst for the synthesis of 2,3-dichloro-5-trifluoromethylpyridine, which can be used to prepare high-efficiency herbicides fluazinam and high-efficiency methoxyfop, which is of great importance to ensure high crop yields It is of great significance to have a good harvest, develop agriculture and ensure national food security.
In addition, tungsten hexachloride has special catalytic properties in petrochemical synthesis, and has a significant role in promoting organic synthesis. It is a catalyst for heterotopic polymerization of cycloolefins and a key raw material for the production of new engineering plastics polydicyclopentadiene. At present, Japan RIMTEC uses tungsten hexachloride as a catalyst for the synthesis of polydicyclopentadiene. The prepared product has excellent comprehensive mechanical properties and is widely used in industries such as vehicles, sports and entertainment equipment, chemical environmental protection equipment, and building materials.
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