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1 649 767

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IPC

(21) (22)

Application

4752238/26, 1989-10-20

(22)

Actual filing date

1989-10-20

(45)

Published

1994-01-30

(72)

Inventor

Ionov S.G.Avdeev V.V.Semenenko K.N.Gulish O.K.Bystrevskij E.I.Chevordaev V.M.Volkov V.Zh.Shevchenko A.G.Polovnikov S.P.Kozlov A.V.

METHOD FOR OBTAINING DILATED INTERSTITIAL COMPOUND OF METAL CHLORIDE TREATED GRAPHITE Russian patent published in 1994 - IPC

Abstract SU 1649767 A1

FIELD: dilated compounds manufacture. SUBSTANCE: graphite is treated at a temperature of 500-700 C with anhydrous copper chloride vapor or with rare earths metal vapor until a weight gain in the range of 40-140 mass % is attained. The interstitial compound obtained is further treated either with liquid bromine until a weight gain in the range of 80-90 mass % is attained, or with a iodine-monochloride until a weight gain in the range of 30-65 mass. % is attained. The interstitial compound so treated is further heat treated at a temperature in the range of 500-800 C. Method allows to increase the material dilatation extent by 1.5 times and to decrease its specific resistance by 1.5-2 times. EFFECT: increased dilatation property and decreased specific resistance. 1 tbl

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SU 1 649 767 A1

Authors

Ionov S.G.

Avdeev V.V.

Semenenko K.N.

Gulish O.K.

Bystrevskij E.I.

Chevordaev V.M.

Volkov V.Zh.

Shevchenko A.G.

Polovnikov S.P.

Kozlov A.V.

Dates

1994-01-30—Published

1989-10-20—Filed