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Title:
CYCLIC PHOSPHAZENE COMPOUND AND ORGANIC THIN FILM EL ELEMENT
Document Type and Number:
Japanese Patent JP3560259
Kind Code:
B2
Abstract:

PURPOSE: To obtain the subject compound having high heat-resistance and amorphous stability, free from unreacted residual chlorine and impurities and useful for an organic thin-film EL element, etc., by reacting a specific phosphazene with a specific amine.
CONSTITUTION: This cyclic phosphazene compound is expressed by formula {R1 and R2 are each [N,N'-diphenyl-N-(3-methylphenyl)-1,1'-biphenyl-4,4'- diamino]-3-phenyloxy or phenoxy; n is 3 or 4; at least two of R1 groups and R2 groups are phenoxy}. The compound is produced by reacting hexachlorocyclotriphosphazene or octachlorocyclotetraphosphazene with N.N- diphenyl-N-(3-methylphenyl)-N'-(3-hydroxyphenyl)-1,1'-bisphenyl-4,4'-diamine and optionally reacting the reaction product with phenol. The reaction is preferably carried out e.g. in an organic solvent such as tetrahydrofuran at the refluxing temperature for 12-48hr, etc.


Inventors:
Atsutaka Shigehara
Medium-long great sentence
Yuji Tada
Tetsuji Inoue
Kenji Nakatani
Application Number:
JP11375595A
Publication Date:
September 02, 2004
Filing Date:
April 14, 1995
Export Citation:
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Assignee:
Atsutaka Shigehara
Otsuka Chemical Holdings Co., Ltd.
tdk Corporation
International Classes:
C08G79/02; C08G79/025; C09K11/06; H01L51/50; H05B33/14; (IPC1-7): C08G79/02; C09K11/06; H05B33/14
Domestic Patent References:
JP3081331A
JP4013683A
JP5310949A
JP6200244A
JP8055974A
Attorney, Agent or Firm:
Yoichi Ishii