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2 119 988

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C1

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IPC

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Application

96120295/04, 1996-10-08

(22)

Actual filing date

1996-10-08

(45)

Published

1998-10-10

(72)

Inventor

Makarov A.S.Vladychina S.V.Smirnov L.N.Kolesnikov A.A.Smirnova N.L.

(73)

Holder

Ivanovskij Nauchno-Issledovatel'Skij Institut Plenochnykh Materialov I Iskusstvennoj Kozhi

METHOD OF MANUFACTURING PAPER-BASED LAMINATED ROLL-TYPE CASE MATERIAL WITH POLYAMIDE COATING Russian patent published in 1998 - IPC

Abstract RU 2119988 C1

FIELD: pulp-and-paper industry. SUBSTANCE: melt of copolyamide with characteristic viscosity 0.6-1.3 dl/g (35 C) and having only one endothermic peak at 150-230 C or melt of above- indicated copolyamide with 0.03-5% of functional additives is applied onto case material. Melting is performed in extruder at 180-245 and lamination of melt with paper is conducted at temperature of laminating cylinders 15-60 C, pressure 3 to 170 kg/cm, and distance from extruder head to surface of laminating cylinder 6 to 90 cm. EFFECT: enabled coating thickness 10 to 50 mcm. 3 cl, 1 tbl, 20 ex

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RU 2 119 988 C1

Authors

Makarov A.S.

Vladychina S.V.

Smirnov L.N.

Kolesnikov A.A.

Smirnova N.L.

Dates

1998-10-10—Published

1996-10-08—Filed

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