Photoconductive composition having an azaazulenium salt

Details Photoconductive composition having an azaazulenium salt Photoconductive composition having an azaazulenium salt

1987-08-07

1989-06-20

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 76, 430 78, 430 72, G03G 509, G03G 514

Patent

active

048408620

ABSTRACT:
A photoconductive composition containing at least one of azaazulenium salt compounds represented by the following formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, a halogen atom, a hydroxyl group, a nitro group, a carboxyl group, a sulfonic acid group, a mercapto group or a monovalent organic residue; A represents a divalent organic group bonded by the double bond; X.sup..crclbar. represents an anionic group; n is the number of X.sup..crclbar. groups required to balance the positive charge; provided that each X.sup..crclbar. group may be bonded to any of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 or A to form an inner salt; and any two of R.sub.2, R.sup.3, R.sub.4, R.sub.5 and R.sub.6 bonded to adjacent carbon atoms may be linked to form a substituted or unsubstituted aromatic carbocyclic or aromatic heterocyclic ring. The photoconductive composition provides an electrophotographic photoreceptor having high sensitivity and stable charging properties even after long use.

REFERENCES:
patent: 4565761 (1986-01-01), Katagiri et al.
patent: 4629670 (1986-12-01), Katagiri et al.
patent: 4673630 (1987-06-01), Katagiri et al.

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