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2 005 828

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Application

5014612/12, 1991-08-15

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Actual filing date

1991-08-15

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Published

1994-01-15

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Inventor

Meshcherjakov O.L.Tamazina V.N.Nemokaev V.A.Korepanov S.A.Sagajdak O.L.Sakhatskij V.S.Bobrov A.R.Vol'Nykh I.V.Tamazin Ju.Ju.

(73)

Holder

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

METHOD OF FIBROUS MATERIAL MAKING Russian patent published in 1994 - IPC

Abstract RU 2005828 C1

FIELD: filtering materials. SUBSTANCE: rod of thermoplastic material of the general formula -CH2-CHO-(CO)C6H4(CO)-O-(CH2-CH2O)N-(CO)-C6H4COO-, where n = 1-5 (mol. mass is 16000-30000, m. p. is 70-250 C, ductility index is 13,2-48,8 at 220- 260 C) is fed to the molding zone at field intensity 1-15 kW/cm. Terminal part of rod is heated up to 100-300 C. Jet of fiber-forming material, which is formed in electric field, is blown with ionized gas unipolarly at concentration of H-ions 105-107cm-3 in electric field. Material is fed on transporting backing. EFFECT: improved method of fibrous material making. 2 tbl

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RU 2 005 828 C1

Authors

Meshcherjakov O.L.

Tamazina V.N.

Nemokaev V.A.

Korepanov S.A.

Sagajdak O.L.

Sakhatskij V.S.

Bobrov A.R.

Vol'Nykh I.V.

Tamazin Ju.Ju.

Dates

1994-01-15—Published

1991-08-15—Filed

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