Electrophotographic photoreceptor comprising Azo compound

Details Electrophotographic photoreceptor comprising Azo compound Electrophotographic photoreceptor comprising Azo compound

1991-08-08

1993-06-15

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 76, 430 78, G03G 506

Patent

active

052196895

ABSTRACT:
The invention provides an electrophotographic photoreceptor of high sensitivity and high endurance which comprises a conductive support and a light-sensitive layer which contains at least one bis-azo compound selected from the group consisting of those represented by the following formulas (I)-(II): ##STR1## wherein n represents 0, 1, or 3; R.sup.1 represents a halogen atom, a hydroxyl group, or an alkyl, aralkyl, aryl, hyterocyclic or alkoxy group which may have a substituent and when n is 2 or 3, R.sup.1 may be identical or different; R.sup.2 represents a hydrogen atom, a halogen atom, a cyano group, or an ester, alkyl, aralkyl or aryl group which may have a substituent; R.sup.3 represents an alkyl, aralkyl, aryl or heterocyclic group which may have a substituent; Ar represents an arylene which may have a substituent; and A.sup.1 and A.sup.2 each represents an aryl or heterocyclic group which has a hydroxyl group and may be identical or different.

REFERENCES:
patent: 4389475 (1983-06-01), Hoffmann et al.
patent: 4413045 (1983-11-01), Ishikawa et al.
patent: 4471040 (1984-09-01), Katagiri et al.

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