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2 162 867

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IPC

(21) (22)

Application

98113097/04, 1998-06-30

(24)

Start date

1998-06-30

(22)

Actual filing date

1998-06-30

(45)

Published

2001-02-10

(72)

Inventor

Poljakova S.V.Poljakova V.I.Kobylko Ju.B.Nikitin E.V.Sujurov M.P.

(73)

Holder

Poljakova Svetlana VladlenovnaPoljakova Valerija IosifovnaKobylko Jurij BorisovichNikitin Evgenij Vasil'EvichSujurov Mikhail Petrovich

METHOD OF PREPARING BITUMEN BINDERS FOR PAVEMENTS Russian patent published in 2001 - IPC

Abstract RU 2162867 C2

FIELD: road-building materials. SUBSTANCE: bitumen, diene-styrene bloc-copolymer, and industrial oil are mixed and homogenized at 110-200 C using recirculation of liquid medium in recirculation circuit comprising at least asphalt heater, pump, and caviation-cumulation treatment chamber, wherein hydrodynamic cavitation is accomplished within a frequency range of 10 to 80 Hz. EFFECT: increased degree of homogenization and extended working capacity temperature range (from melting point to brittle temperature). 2 dwg, 1 tbl

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RU 2 162 867 C2

Authors

Poljakova S.V.

Poljakova V.I.

Kobylko Ju.B.

Nikitin E.V.

Sujurov M.P.

Dates

2001-02-10—Published

1998-06-30—Filed