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2 139 904

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IPC

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Application

98100517/04, 1998-01-22

(24)

Start date

1998-01-22

(22)

Actual filing date

1998-01-22

(45)

Published

1999-10-20

(72)

Inventor

Medvedev S.A.Arutjunov I.A.Glagolev V.A.Ljusova L.R.Murzojan K.Eh.

(73)

Holder

Medvedev Sergej Anatol'EvichArutjunov Igor' AshotovichGlagolev Vladimir AlekseevichLjusova Ljudmila RomanovnaMurzojan Konstantin Ehduardovich

METHOD OF MANUFACTURING BITUMEN-RUBBER MASTIC Russian patent published in 1999 - IPC

Abstract RU 2139904 C1

FIELD: manufacture of building materials. SUBSTANCE: mixed are: rubber (chloroprene rubber, ethylene-propylene rubber, chlorinated rubber, or polybutadiene), bitumen, antioxidant, modifying additive (salicylic acid), filler, and, additionally, curing agent and synthetic resin. Prior to be mixed with bitumen, rubber is dispersed in organic solvent with antioxidant, mixture is then stirred for 15-20 min, other components are added, and stirring is continued for further 30-60 min. All operation are carried out at 20 to 60 C. Amounts of all components are specified. EFFECT: improved waterproofing properties. 5 cl, 3 tbl

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RU 2 139 904 C1

Authors

Medvedev S.A.

Arutjunov I.A.

Glagolev V.A.

Ljusova L.R.

Murzojan K.Eh.

Dates

1999-10-20—Published

1998-01-22—Filed