COAXIAL REGULAR NANO-MESOSTRUCTURES, A METHOD FOR PRODUCTION THEREOF AND A METHOD OF PRODUCING MICROCAPSULES FROM SAID STRUCTURES Russian patent published in 2019 - IPC C01B32/05 C01B32/15 B82B1/00 B82B3/00 B82Y30/00 B82Y40/00 B81B7/04 B01J13/02 B01J32/00 A61K9/50 

FIELD: chemistry.

SUBSTANCE: invention relates to chemical material science and can be used in making chemical sensors, electrochemical current sources, catalyst supports, chemical reagents, labels, chromatographic phases or dose of drug in microcapsules. Arrays of carbon vertically oriented nanotubes are synthesized from hydrocarbon with ferrocene on high-defect surface of silicon at temperature from 600–1,000 °C. To form high-defect surface monocrystalline silicon is treated with abrasive paste with subsequent etching with hydrofluoric acid. Coaxial regular carbon nano-mesostructures formed from chaotically interlaced carbon nanotubes forming a stable spatial shape with a configuration based on the topology of the hollow annular cylinder with an outer diameter of 1–60 mcm at a ratio of the length to the outer diameter of 10 to 10⁴. Obtained carbon nano-mesostructures are milled, sieved and classified by size. Ends of the obtained microcapsules are opened by subjecting them to oxidation by thermochemical or electrochemical treatment. For thermochemical treatment, atomic or molecular oxygen or ozone is used. For electrochemical treatment electrolysis is carried out in solution of alkali, acid or ammonium chloride.

EFFECT: invention enables to obtain carbon nano-mesostructures of stable size and shape reproducible as a result of synthesis, as well as expand field of use by filling cavities of microcapsules with various substances and excipients.

15 cl, 20 dwg, 15 ex