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IPC

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Application

96120341/04, 1996-09-26

(22)

Actual filing date

1996-09-26

(45)

Published

1998-07-20

(72)

Inventor

Krasnov L.S.Malevinskij A.K.Kotashevskij V.A.Gavrilushkina F.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD FOR PRODUCTION OF BITUMEN-POLYMER COMPOSITION FOR PRODUCTION OF HYDROINSULATION AND ROOFING MATERIAL Russian patent published in 1998 - IPC

Abstract RU 2115681 C1

FIELD: production of hydroinsulation and roofing materials. SUBSTANCE: two-stepped method is proposed. At the first step one half of heated unoxidized bitumen, divinyl styrene thermoelastic plastic and petroleum oil are mixed all together. At the second step one half of unoxidized bitumen being preliminary heated and total amount of mineral filler are added. Thus prepared mixture is mixed within 10-20 min till homogeneous mass is obtained. Duration of mixing at the first step is 20-25 min. EFFECT: improved quality of product, decreased its cost. 2 tbl

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RU 2 115 681 C1

Authors

Krasnov L.S.

Malevinskij A.K.

Kotashevskij V.A.

Gavrilushkina F.S.

Dates

1998-07-20—Published

1996-09-26—Filed

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