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2 073 753

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IPC

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Application

95113286/12, 1995-08-03

(22)

Actual filing date

1995-08-03

(45)

Published

1997-02-20

(72)

Inventor

Ryzhov A.I.Zhivetin V.V.Osipova N.N.Osipov B.P.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Kompleksnoj Avtomatizatsii Legkoj Promyshlennosti

METHOD FOR COTTONIZING BAST FIBRES Russian patent published in 1997 - IPC

Abstract RU 2073753 C1

FIELD: chemical surface treatment of fibres. SUBSTANCE: bast fibres are subjected to treatment with 2.8-3.0%-aqueous solution containing hydrogen peroxide, acetic acid and mineral acid, hydrogen peroxide and mineral acid being taken in weight ratio 2:1. Mineral acid is taken in amount of 1.5-2.0% based on total weight of hydrogen peroxide and acetic acid. Fibres are next washed, and washed fibres are treated with aqueous solution containing 140-150 g/l sodium hydroxide. Method comprises step of oxidative cooking. EFFECT: cottonade fabric can be produced from bast fibres. 2 dwg

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RU 2 073 753 C1

Authors

Ryzhov A.I.

Zhivetin V.V.

Osipova N.N.

Osipov B.P.

Dates

1997-02-20—Published

1995-08-03—Filed

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