TRANSPARENT BIAXIALLY ORIENTED FILM

PROBLEM TO BE SOLVED: To obtain a biaxially oriented film excellent in orientation, mechanical and optical properties and having especially high UV stability, having a thermoplastic resin as the basic constituent, and useful as a partition film for illumination or the like, by making its thickness r...

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Bibliographische Detailangaben
Hauptverfasser:	OBERLAENDER KLAUS, MURSCHALL URSULA, CRASS GUENTHER, BEWER GUENTER
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES 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 DYES GENERAL PROCESSES OF COMPOUNDING 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 MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS 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:	PROBLEM TO BE SOLVED: To obtain a biaxially oriented film excellent in orientation, mechanical and optical properties and having especially high UV stability, having a thermoplastic resin as the basic constituent, and useful as a partition film for illumination or the like, by making its thickness range specific and the film include UV stabilizer and gloss agent. SOLUTION: This film, with a thickness of 1-500 μm, is obtained by including (A) a crystalline thermoplastic resin such as preferably polyethylene terephthalate as the basic constituent, (B) at least one kind of a UV stabilizer [preferably 2-(4,6-diphenyl-1,3,5-triazin-2-yl)-5-(hexyl)oxyphenol or the like] and (C) at least one kind of a gloss agent (preferably bisbenzoxazole or the like). This film is obtained by melting the component A together with the component B and C in an extruder, extruding the resultant blend onto a cooling roller, biaxially orienting the blend thus extruded, heat-setting thus oriented film, and then winding the film. The component B to be included is preferably at 0.01-5 wt.% based on the component A.