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2 093 538

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C1

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IPC

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Application

95115759/04, 1995-09-08

(22)

Actual filing date

1995-09-08

(45)

Published

1997-10-20

(72)

Inventor

Kondrat'Ev A.N.Rogova T.M.Judin V.P.Molodyka A.V.Ryl'Kov A.A.

(73)

Holder

Voronezhskij Filial Gosudarstvennogo Predprijatija Institut Sinteticheskogo Kauchuka Im.Akad.S.V.Lebedeva"

BITUMEN COMPOSITION Russian patent published in 1997 - IPC

Abstract RU 2093538 C1

FIELD: building industry, more particularly roof material and hydraulic insulation. SUBSTANCE: bitumen composition comprises (wt %): 10-20 filler; 4-20 mixture of block copolymers, and the bitumen balance. Mixture of block copolymers is mixture of block copolymers of biblock, triblock, tetrablock, pentablock, hexablock and heptablock structure consisting of styrene unit with unit molecular weight of 4000-20,000 and isoprene units with unit molecular weight of 2000-15,000. EFFECT: improved properties of the bitumen composition. 3 tbl

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RU 2 093 538 C1

Authors

Kondrat'Ev A.N.

Rogova T.M.

Judin V.P.

Molodyka A.V.

Ryl'Kov A.A.

Dates

1997-10-20—Published

1995-09-08—Filed

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