Electrophotographic photoreceptor

Details Electrophotographic photoreceptor Electrophotographic photoreceptor

1989-11-15

1991-07-02

Welsh, David

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 59, 430 95, G03G 514

Patent

active

050285050

ABSTRACT:
An electrophotographic photoreceptor is disclosed, comprising a conductive substrate having thereon a photosensitive layer, wherein the photosensitive layer comprises at least one compound selected from the group consisting of a compound of formula (I), a compound of formula (II), and a compound of formula (III) as defined below: ##STR1## wherein X.sup.I represents a cyano group, an alkoxycarbonyl group, or an aryloxycarbonyl group; R.sup.I.sub.1 and R.sup.I.sub.2 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylcarbonyl group, an arylcarbonyl group, a nitro group, a halogen atom, or a cyano group; A.sup.I represents ##STR2## wherein R.sup.I.sub.3 and R.sup.I.sub.9 each represents a hydrogen atom, an alkyl group, a nitro group, a halogen atom, or a cyano group; and m and n each represents an integer of 0 to 3; ##STR3## wherein X.sup.II represents O, C(CN).sub.2 or C(CO.sub.2 R.sup.II).sub.2, wherein R.sup.II is an alkyl group; R.sup.II.sub.1 and R.sup.II.sub.2 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a nitro group, a halogen atom, or a cyano group; and m' and n' each represents an integer of 0 to 2; and ##STR4## wherein R.sup.III.sub.1 and R.sup.III.sub.2 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylcarbonyl group, an arylcarbonyl group, a nitro group, a halogen atom, or a cyano group,
A.sup.III represents ##STR5## wherein R.sup.III.sub.3 and R.sup.III.sub.9 each represents a hydrogen atom, an alkyl group, a nitro group, a halogen atom, or a cyano group; and m" and n" each represents an integer of 0 to 3.

REFERENCES:
patent: 4106934 (1978-08-01), Turnblom

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