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Application

98113330/04, 1998-07-14

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Start date

1998-07-14

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Actual filing date

1998-07-14

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Published

2000-03-10

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Inventor

Vajnburg V.M.Shtjagina L.M.Kolesnikova O.A.Illarionova E.L.Chufarovskaja T.I.Pisemskaja O.V.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna

METHOD FOR PRODUCING HYDROPHILIC POLYACRYLONITRILE FILAMENTS Russian patent published in 2000 - IPC

Abstract RU 2146312 C1

FIELD: finishing and modification of fibrous textile materials in the form of fiber, thread, fabric or knitted fabric, which may be used for manufacture of sanitary appliances and technical products with increased moisture absorption rate. SUBSTANCE: method involves saponifying basic filaments with sodium hydroxide solution; treating saponified filament with 3-7% aqueous solution of calcium chloride for 10-20 min, with following impregnating with 1-5% aqueous solution of sodium alginate. EFFECT: increased efficiency and improved quality of filament. 1 tbl

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RU 2 146 312 C1

Authors

Vajnburg V.M.

Shtjagina L.M.

Kolesnikova O.A.

Illarionova E.L.

Chufarovskaja T.I.

Pisemskaja O.V.

Dates

2000-03-10—Published

1998-07-14—Filed

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