METHOD OF PRODUCING TITANIUM CARBIDE NANOPOWDER Russian patent published in 2019 - IPC C01B32/921 B82B3/00 C01G23/00 B82Y40/00 

FIELD: chemistry.

SUBSTANCE: invention relates to inorganic chemistry and nanotechnology and can be used for production of wear-resistant abrasive materials, high-temperature ceramic materials and coatings, high-strength composite materials. Downward laminar flow of carrier gas 2 is fed into vertically oriented reactor 1 of heat-resistant dielectric material. From the inside of the reactor, titanium wire is introduced, heated in the high-frequency field of counter-current inductor 3 to the melting point, drop 4 of melted titanium is obtained at its end, a drop is suspended contactlessly between coils of the counterflow inductor and evaporation of metallic titanium from the drop surface. Carrier gas stream 2 continuously carries away titanium vapor from drop 4, provides condensation of the vapors into the titanium nanoparticles in condensation zone 5 and is directed to reaction zone 6, where carbon-containing gas-reagent 7 is also fed from leak 8. Obtained titanium carbide nanoparticles are transferred into cooling zone 9, trapped by filter and obtaining a commercial product in form of titanium carbide nanopowder in free-bulk condition with average particle size of less than 30 nm and with controlled ratio of titanium and carbon without halogens and oxygen. Titanium evaporation from drop 4 is filled by continuous supply of titanium wire. Carrier gas used is an inert gas, and the reagent gas is a hydrocarbon from a class of alkanes, alkenes or alkynes.

EFFECT: due to the process continuity, the technological cycle is simplified and the technological capabilities of the method are expanded.

3 cl, 2 dwg, 7 ex