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2 583 099

(13)

(51)

IPC

C01B31/04(2006-01-01)

B02C19/18(2006-01-01)

B01J13/00(2006-01-01)

H01Q17/00(2006-01-01)

H05K9/00(2006-01-01)

(21) (22)

Application

2014141911/05, 2014-10-17

(24)

Start date

2014-10-17

(22)

Actual filing date

2014-10-17

(45)

Published

2016-05-10

(72)

Inventor

Prokofev Mikhail VladimirovichSmolnikov Konstantin ArkadevichZhuravlev Sergej Jurevich

(73)

Holder

Federalnoe Gosudarstvennoe Bjudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Professionalnogo Obrazovanija Aviatsionnyj Institut Issledovatelskij Universitet)"

METHOD OF PRODUCING ACTIVATED FINELY DISPERSED GRAPHITE PREPARATION FOR COATING ON SUPERFINE GLASS FIBRES Russian patent published in 2016 - IPC C01B31/04 B02C19/18 B01J13/00 H01Q17/00 H05K9/00

Abstract RU 2583099 C1

FIELD: aviation.

SUBSTANCE: invention relates to aviation, space and rocket engineering and can be used in production of heat-resistant broadband radar absorbent materials (RAM) for protection against electromagnetic radiation. Water-alcohol dispersion of graphite, containing ammonium hydroxide, 5-10 wt% dispersion medium and more than 5 wt% ethyl or isopropyl alcohol, is subjected to wet grinding and stabilised. Graphite particles are split into layers and activated by ultrasound in cavitation conditions with transmission of direct current with voltage of 0.4-0.6 V in presence of hydrogen peroxide and iodine.

EFFECT: invention improves adhesion of plate-like graphite to ultrathin glass fibres and prevents harmful evaporation.

1 cl, 4 dwg, 2 tbl, 10 ex

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RU 2 583 099 C1

Authors

Prokofev Mikhail Vladimirovich

Smolnikov Konstantin Arkadevich

Zhuravlev Sergej Jurevich

Dates

2016-05-10—Published

2014-10-17—Filed