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IPC

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Application

96101005/04, 1996-01-16

(22)

Actual filing date

1996-01-16

(45)

Published

1998-01-27

(72)

Inventor

Vinogradova L.E.Vajnburg V.M.Shtjagina L.M.Kalaus I.V.Lysenko A.A.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna

METHOD OF TREATMENT OF FRESHLY FORMED POLYVINYLALCOHOL FIBER Russian patent published in 1998 - IPC

Abstract RU 2103426 C1

FIELD: technology of polymers. SUBSTANCE: freshly formed polyvinylalcohol fiber is treated with an aqueous solution of sodium perborate salts mixture at concentration 7.5-10.0 g/l and calcium chloride at concentration 2.0-4.0 g/l. Then fiber is pressed out and dried in air. Product is used for making articles of hygiene purpose exhibiting high moisture absorption. EFFECT: improved method of treatment. 1 tbl

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RU 2 103 426 C1

Authors

Vinogradova L.E.

Vajnburg V.M.

Shtjagina L.M.

Kalaus I.V.

Lysenko A.A.

Dates

1998-01-27—Published

1996-01-16—Filed

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