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2 101 306

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IPC

(21) (22)

Application

5057174/04, 1992-01-09

(22)

Actual filing date

1992-01-09

(45)

Published

1998-01-10

(72)

Inventor

Borisenko Z.V.Mubarakshin G.M.Kuz'Menko G.P.Sycheva N.A.Lupanova T.A.Zubrov V.N.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna

METHOD OF FIBROUS IONITE PRODUCING Russian patent published in 1998 - IPC

Abstract RU 2101306 C1

FIELD: sorbents. SUBSTANCE: polyacrylonitrile fiber is treated with 10-90% alkyleneamine alkaline solution at 70-85 C for 30-60 min followed by treatment with 10-30% dimethylolethyleneurea an aqueous solution at 75-85 C for 45-60 min. Ionite is used for sewage treatment. EFFECT: improved method of producing. 3 cl, 2 tbl

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RU 2 101 306 C1

Authors

Borisenko Z.V.

Mubarakshin G.M.

Kuz'Menko G.P.

Sycheva N.A.

Lupanova T.A.

Zubrov V.N.

Dates

1998-01-10—Published

1992-01-09—Filed

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