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Application

96112740/04, 1996-06-28

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Actual filing date

1996-06-28

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Published

1998-01-20

(72)

Inventor

Abdulkhakova Z.Z.Andrijashin A.I.Beloborodov V.L.Zakharov S.V.Zverev M.P.Kostina T.F.Nikolotov V.V.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

METHOD OF MANUFACTURING CHEMISORPTION CARBOXYL-CONTAINING FIBER Russian patent published in 1998 - IPC

Abstract RU 2102544 C1

FIELD: polymer fibers. SUBSTANCE: polyacrylonitrile fiber with 1.5 wt. -% of carboxyl groups is treated with aqueous solution containing 8-15% hydrazine and 1-2% sodium hydroxide at 90-100 C for 120-150 min. EFFECT: acquired ion-exchange property. 1 tbl

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RU 2 102 544 C1

Authors

Abdulkhakova Z.Z.

Andrijashin A.I.

Beloborodov V.L.

Zakharov S.V.

Zverev M.P.

Kostina T.F.

Nikolotov V.V.

Dates

1998-01-20—Published

1996-06-28—Filed

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