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(19)

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2 628 617

(13)

(51)

IPC

B01J3/06(2006-01-01)

C30B29/04(2006-01-01)

C01B31/06(2006-01-01)

C01B32/25(2017-01-01)

C01B32/26(2017-01-01)

C01B32/28(2017-01-01)

B82B3/00(2006-01-01)

B82Y40/00(2011-01-01)

(21) (22)

Application

2015150489, 2015-11-24

(24)

Start date

2015-11-24

(22)

Actual filing date

2015-11-24

(45)

Published

2017-08-21

(72)

Inventor

Shakhov Fedor MikhaylovichKidalov Sergey ViktorovichVul' Aleksandr Yakovlevich

(73)

Holder

Federal'Noe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Fisiko-Tekhnicheskiy Institute Im. A.F.Ioffe Rossiyskoy Akademii Nauk

METHOD OF CRYSTALLINE DIAMOND PARTICLES OBTAINING Russian patent published in 2017 - IPC B01J3/06 C30B29/04 C01B31/06 C01B32/25 C01B32/26 C01B32/28 B82B3/00 B82Y40/00

Abstract RU 2628617 C2

FIELD: nanotechnology.

SUBSTANCE: method of crystalline diamond particles obtaining includes adding of cycloalkane (cyclic saturated hydrocarbon) or polybasic alcohol in an amount of 5-85 wt % the weight of detonation nanodiamonds to the nanodiamonds powder obtained by detonation synthesis, aging of the resulting composition at a static pressure of 5-8 GPa and a temperature of 1000-1800°C for 5-120 seconds and separating the resulting particles from graphite by sedimentation in the liquid.

EFFECT: invention allows to directly obtain crystalline diamond particles of the size needed for finishing and biomarkers in the range of 50-500 nm, thereby eliminating the need for additional grinding.

4 cl, 1 dwg, 25 ex

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RU 2 628 617 C2

Authors

Shakhov Fedor Mikhaylovich

Kidalov Sergey Viktorovich

Vul' Aleksandr Yakovlevich

Dates

2017-08-21—Published

2015-11-24—Filed