Trisazo electrophotographic photoconductive material

Details Trisazo electrophotographic photoconductive material Trisazo electrophotographic photoconductive material

1985-06-24

1986-07-15

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, 430 59, 430 76, 430 77, 430 78, 430 79, 534740, 534741, 534743, 534755, 534810, 534811, 534812, 534815, G03G 506

Patent

active

046006745

ABSTRACT:
Disclosed is an electrophotographic photoconductive material excellent in sensitivity and durability which comprises an electroconductive substrate and, provided thereon, a photosensitive layer containing a trisazo pigment represented by the general formula ##STR1## wherein R's, which may be the same or different, represent each a hydrogen atom, halogen atom, substituted or unsubstituted alkyl group, alkoxyl group, or nitrile group; n is an integer of 1 or 2; and A represents ##STR2## wherein Z represents a group of atoms necessary to complete a substituted or unsubstituted aromatic carbon ring or a substituted or unsubstituted aromatic hetero-ring; X represents a hydrogen atom, an alkyl group, or a group of atoms necessary to complete a substituted or unsubstituted aromatic carbon ring, a substituted or unsubstituted aromatic hetero ring, or a substituted or unsubstituted hetero ring; m is 0 or 1; B represents a group of atoms necessary to complete a substituted or unsubstituted aromatic carbon ring, a substituted or unsubstituted aromatic hetero ring, or a substituted or unsubstituted monocyclic hetero ring; Y represents a hydrogen atom, hydroxyl group, carboxyl group or an ester thereof, sulfo group, substituted or unsubstituted carbamoyl group, or substituted or unsubstituted sulfamoyl group; R.sub.1 represents a hydrogen atom, substituted or unsubstituted alkyl group, substituted or unsubstituted amino group, substituted or unsubstituted carbamoyl group, carboxyl group or an ester thereof, or cyano group; Ar represents a substituted or unsubstituted aryl group; and R.sub.2 represents a substituted or unsubstituted alkyl group, substituted or unsubstituted aralkyl group, or substituted or unsubstituted aryl group.

REFERENCES:
patent: 4279981 (1981-07-01), Ohta et al.
patent: 4390611 (1983-06-01), Ishikawa et al.
patent: 4426432 (1984-01-01), Sawada et al.
patent: 4433039 (1984-02-01), Miyakawa et al.
patent: 4507471 (1985-03-01), Ohta
patent: 4562131 (1985-12-01), Sasaki et al.

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