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2 074 274

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C1

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IPC

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Application

94020242/04, 1994-06-01

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Actual filing date

1994-06-01

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Published

1997-02-27

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Inventor

Vershinin L.V.Demina G.S.Kozlov S.N.Kuzina L.V.Mizerovskij L.N.Pochivalov K.V.Repina N.S.Romanenko N.F.Sorokina T.B.Chajanov R.A.Jakovlev K.P.Jakhnin E.D.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Plenochnykh Materialov I Iskusstvennoj Kozhi

METHOD OF MANUFACTURING SIMULATED LEATHER Russian patent published in 1997 - IPC

Abstract RU 2074274 C1

FIELD: textile industry. SUBSTANCE: nonwoven fabric made up of composite fibers of matrix-fibril type is impregnated with aqueous solution of polyvinyl alcohol, compressed, and dried prior to be impregnated with polyester urethane which is further coagulated. Finally dried material is treated with vapor and reflux of boiling toluene to remove matrix polymer of composite fibers, and then simulated leather face layer is formed. EFFECT: improved fiber-porous structure of material. 1 tbl

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RU 2 074 274 C1

Authors

Vershinin L.V.

Demina G.S.

Kozlov S.N.

Kuzina L.V.

Mizerovskij L.N.

Pochivalov K.V.

Repina N.S.

Romanenko N.F.

Sorokina T.B.

Chajanov R.A.

Jakovlev K.P.

Jakhnin E.D.

Dates

1997-02-27—Published

1994-06-01—Filed

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