POLARIZING FILM AND MANUFACTURE THEREOF

PURPOSE: To provide the polarizing films useful for a polarizing filter and optical display devices and the like. CONSTITUTION: The polarizing films comprising >=2 layers and polyvinyl alcohol PVA and a dichroic dye-forming component and additives and a surfactant, as necessary, and their composi...

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Bibliographische Detailangaben
Hauptverfasser:	UBE KURAUSEN, FURIIDORITSUHIIBIRUHERUMU KURETSUKU, EDOWAARU ROSHIYU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE: To provide the polarizing films useful for a polarizing filter and optical display devices and the like. CONSTITUTION: The polarizing films comprising >=2 layers and polyvinyl alcohol PVA and a dichroic dye-forming component and additives and a surfactant, as necessary, and their compositions are characterized by changing abruptly at an interface between at least 2 layers, and these manufacturing methods of the polarizing films are thus provided.