Disazo electrophotographic photoreceptor

An electrophotographic photoreceptor is provided with a photosensitive layer, which contains an azo compound represented by the following g general formula (1): (1) wherein A means a coupler residuum having phenolic OH radicals, R1 and R2 designate, respectively, a radical of an integer of, both, m=...

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Bibliographische Detailangaben
Hauptverfasser:	SUDA, OSAMU, KOUNO, HISAO, HASEGAWA, MASARU, KOMIYAMA, NAKAJI, HIGASHIDE, KAZUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY LAKES MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHOTOGRAPHY PHYSICS POLISHES
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Beschreibung
Zusammenfassung:	An electrophotographic photoreceptor is provided with a photosensitive layer, which contains an azo compound represented by the following g general formula (1): (1) wherein A means a coupler residuum having phenolic OH radicals, R1 and R2 designate, respectively, a radical of an integer of, both, m=0 DIFFERENCE 4, n =0 DIFFERENCE 4, selected from the group consisting of hydrogen, halogen atoms, alkyl group, alkoxy group, and di-substituted amino group. The electrophotographic photoreceptor of this invention has excellent electrification characteristics, sensitivity characteristics and image-forming property as well as good sensitivity. In addition, its sensitivity and electrification characteristics undergo less variations even when employed repeatedly. It also undergoes little light-induced fatigue. It has high weatherability.