Liquid crystal alignment agent, liquid crystal alignment film and liquid crystal element to provide a liquid crystal alignment agent which can form a liquid crystal alignment film with excellent tightness with a sealant and a substrate and can obtain a liquid crystal element which is not easy to produce residual image

The present invention provides a liquid crystal alignment agent which can form a liquid crystal alignment film with excellent tightness with a sealant and a substrate and can obtain a liquid crystal element which is not easy to produce residual image. A liquid crystal alignment agent contains: a pol...

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Bibliographische Detailangaben
Hauptverfasser:	SUHARA, RYOU, TANGE, SATOSHI, OOBA, YUUKI, NAKASHIMA, AKIO, FUJISHITA, SHOUHEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES 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 DYES FREQUENCY-CHANGING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a liquid crystal alignment agent which can form a liquid crystal alignment film with excellent tightness with a sealant and a substrate and can obtain a liquid crystal element which is not easy to produce residual image. A liquid crystal alignment agent contains: a polymer [A] having a partial structure represented by formula (1); a polymer [B] having a partial structure represented by formula (2); and a polymer [C] having a partial structure X in the main chain. Partial structure X is a structure represented by -(CH2)a- or a structure in which any methylene group in the structure represented by -(CH2)a- is substituted by groups such as -NR7-. In formula (1), R1 is a protecting group. In formula (2), A1 and A4 are each independently a divalent aromatic ring group. R2 and R3 are each independently a hydrogen atom or a monovalent organic group. B1 is a single bond, -NR4-, -O-, or a divalent aromatic heterocyclic group.