METHOD FOR PREPARING LAMINATED FILM OF POLYMERIC SUBSTANCES

A method for preparing a laminated film of polymeric substances wherein each film layer constituting the laminate is closely surface bonded to each other, which method comprising heating, pressing and rolling between rollers a sandwich wherein both of the outer layers thereof are fluorocarbon resin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OKAMOTO T,JA, MORIYAMA Y,JA
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for preparing a laminated film of polymeric substances wherein each film layer constituting the laminate is closely surface bonded to each other, which method comprising heating, pressing and rolling between rollers a sandwich wherein both of the outer layers thereof are fluorocarbon resin films and at least one thermoplastic polymer is interposed therebetween as an inner layer or layers, said rollers being at a temperature not higher than the melting point of said fluorocarbon resin and not lower than 25 DEG C.