CELLULOSE ACYLATE FILM, OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE

The present invention provides: a cellulose acylate film which contains cellulose acylate, and wherein the cellulose acylate has an acyl group (A) represented by general formula (A) that is set forth in the description and an acryl group (B) having 2-4 carbon atoms, while satisfying formulae (1)-(6)...

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Bibliographische Detailangaben
Hauptverfasser:	SASATA Katsumi, SATA Hiroaki
Format:	Patent
Sprache:	eng ; fre ; jpn
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 METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides: a cellulose acylate film which contains cellulose acylate, and wherein the cellulose acylate has an acyl group (A) represented by general formula (A) that is set forth in the description and an acryl group (B) having 2-4 carbon atoms, while satisfying formulae (1)-(6) that are set forth in the description; an optical film and a polarizing plate, each of which uses this cellulose acylate film; and a liquid crystal display device which comprises this polarizing plate. La présente invention concerne un film d'acylate de cellulose contenant de l'acylate de cellulose, et l'acylate de cellulose ayant un groupe acyle (A) représenté par la formule générale (A) qui est présentée dans la description et un groupe acryle (B) ayant de 2 à 4 atomes de carbone, tout en satisfaisant aux formules (1)-(6) qui sont présentées dans la description ; un film optique et une plaque de polarisation, chacun mettant en œuvre ce film d'acylate de cellulose ; et un dispositif d'affichage à cristaux liquides qui comprend cette plaque de polarisation. 本発明により、セルロースアシレートを含有するセルロースアシレートフィルムであって、セルロースアシレートは、明細書に記載の一般式（Ａ）で表されるアシル基（Ａ）、及び炭素数２～４のアシル基（Ｂ）を有し、明細書に記載の式（１）～（６）を満たす、セルロースアシレートフィルム、上記セルロースアシレートフィルムを用いた光学フィルム及び偏光板、並びに上記偏光板を含む液晶表示装置が提供される。