Azo dyes compounds and polarizing film thereof

The invention discloses an azo dye compound as following (I), which is characterized by the following: the free acid form is expressed as (I), wherein R1, R2, R3, R4 and n definition are showed on description; the product can be used to prepare spread film; The spread film possesses good spread degr...

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Bibliographische Detailangaben
1. Verfasser:	MINJING ZHENG
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAKES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHYSICS POLISHES 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
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Beschreibung
Zusammenfassung:	The invention discloses an azo dye compound as following (I), which is characterized by the following: the free acid form is expressed as (I), wherein R1, R2, R3, R4 and n definition are showed on description; the product can be used to prepare spread film; The spread film possesses good spread degree.