Multilayer film

[Problem] To provide: a multilayer film for producing a polarizing film, which is not susceptible to breakage during drawing even in cases where a thin PVA film is used therefor, and which is capable of easily producing a polarizing film having excellent polarization performance; and a multilayer fi...

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Bibliographische Detailangaben
Hauptverfasser:	FUJII EMI, KAZETO OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	[Problem] To provide: a multilayer film for producing a polarizing film, which is not susceptible to breakage during drawing even in cases where a thin PVA film is used therefor, and which is capable of easily producing a polarizing film having excellent polarization performance; and a multilayer film which is not susceptible to breakage during drawing even in cases where a thin PVA film is used therefor, and which is capable of very easily producing a polarizing film or the like having excellent polarization performance. [Solution] A multilayer film for producing a polarizing film, wherein a PVA film and a thermoplastic resin film are adjacent to each other and the bonding strength between these two films is 200 mN/15 mm or less; and a multilayer film wherein a PVA film and a thermoplastic resin film are adjacent to each other and the bonding strength between these two films is less than 1.5 mN/15 mm.