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2 012 567

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C1

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IPC

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Application

4898239/05, 1991-01-02

(22)

Actual filing date

1991-01-02

(45)

Published

1994-05-15

(72)

Inventor

Nemilova T.V.Tsarev G.I.Zosina T.V.Efimov V.P.Vojtova N.V.

(73)

Holder

Sankt-Peterburgskij Institut Tekstil'Noj I Legkoj Promyshlennosti Im.S.M.Kirova

METHOD OF FIBROUS PRESS-MATERIAL PRODUCING Russian patent published in 1994 - IPC

Abstract RU 2012567 C1

FIELD: polymeric materials. SUBSTANCE: method involves mixing of 5-60 mas. p. waste of polycaproamide or propylene fibers together with 40-95 mas. p. waste of polyacrylonitrile fibers (length is 2-20 mm) and pressing under pressure 30-60 kgf/30-60 kgs/cm2 for 1-1.5 min/mm material thickness, at 160-190 C for press-material with polypropylene fibers and at 190-210 C for press-material with polycaproamide fibers. EFFECT: improved method of material producing. 1 tbl

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RU 2 012 567 C1

Authors

Nemilova T.V.

Tsarev G.I.

Zosina T.V.

Efimov V.P.

Vojtova N.V.

Dates

1994-05-15—Published

1991-01-02—Filed

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