METHOD OF PRODUCING AN ALCOHOL DISPERSION OF TANTALUM OXIDE NANOPARTICLES Russian patent published in 2021 - IPC B22F1/00 B22F9/24 B82Y40/00 C01G35/00 

Abstract RU 2741024 C1

FIELD: technological processes.

SUBSTANCE: invention relates to methods of producing nanoparticles of tantalum oxide and can be used in chemical-pharmaceutical industry. Nanoparticles of tantalum oxide TaOx, where x ranges from 1 to 2.5, with particle size of 2-6 nm, are obtained in the form of an alcohol dispersion. In an inert gas atmosphere, tantalum ethylate is mixed with isopropyl or propyl alcohol and the mixture is held for 10-12 hours at temperature of 200-220°C.

EFFECT: obtaining small-size particles with narrow particle size distribution without use of a toxic solvent, as well as shorter duration of the process.

1 cl, 1 tbl, 6 ex, 6 dwg

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RU 2 741 024 C1

Authors

Koshevaia Ekaterina Dmitrievna

Krivoshapkin Pavel Vasilevich

Krivoshapkina Elena Fedorovna

Dates

2021-01-22Published

2020-07-23Filed