MICROPOROUS FILM

PROBLEM TO BE SOLVED: To provide a microporous film excellent in long term dimensional stability, having dimensional stability capable of satisfactorily responding to life for application in a large sized screen liquid crystal television sets. SOLUTION: The microporous film has 0.9-1.4 g/m3of an app...

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Bibliographische Detailangaben
Hauptverfasser:	HIRAOKA TOSHIHIKO, KOYAMA TETSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING 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 NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a microporous film excellent in long term dimensional stability, having dimensional stability capable of satisfactorily responding to life for application in a large sized screen liquid crystal television sets. SOLUTION: The microporous film has 0.9-1.4 g/m3of an apparent specific gravity, 0.1-2% of heat shrinkage rate in machine direction at 150°C and 0.5-9% at 190°C, and 200-800 particles/1000 μm2of inorganic filler particles with 0.15-1.45 μm of converted particle diameters observed in the central part of a film cross section in the thickness direction of the film. COPYRIGHT: (C)2007,JPO&INPIT