LOW-TEMPERATURE CHEMICAL METHOD OF PRODUCING FULLERENE Russian patent published in 2013 - IPC C01B31/02 B82B3/00 B82Y40/00 

Abstract RU 2484011 C2

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and nanotechnology. The method of producing fullerene C84 involves treating coal tar or coal tar pitch with sulphuric acid, washing off unreacted sulphuric acid, the formed sulphonic acids and hydroxyl compounds with water, and the unreacted aromatic hydrocarbons successively with carbon tetrachloride and acetone. Fullerene is then extracted with toluene or ortho-xylene and the toluene or ortho-xylene are distilled from the obtained extract until achieving a moist state of fullerene residue which is dried at temperature of 60-70°C. The obtained fullerene C84 is soluble in benzene, toluene and ortho-xylene.

EFFECT: invention enables to obtain fullerene C84 using a cheap and low power consumption method.

11 cl, 3 ex

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RU 2 484 011 C2

Authors

Kozeev Aleksandr Alekseevich

Dates

2013-06-10Published

2011-05-13Filed