Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1989-02-06
1991-03-12
Welsh, J. David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
G03G 514
Patent
active
049992686
ABSTRACT:
An electrophotographic photoreceptor is disclosed, comprising a light-sensitive layer on an electrically conductive substrate, wherein the light-sensitive layer comprises particles of selenium or a selenium alloy as the charge generating material, and at least one compound represented by formula (I), ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group or an alkoxyl group; R.sub.2 and R.sub.3, which may be the same or different, represent each a hydrogen atom, an alkyl group, an alkoxyl group, a halogen atom, an alkoxycarbonyl group or a substituted amino group; and at least one compound represented by formula (II), ##STR2## wherein R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, represent each a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, an alkoxycarbonyl group or a substituted amino group, as the charge transporting materials. Preferably, the selenium or selenium alloy particles are dispersed in a charge generating layer formed on the substrate, and a charge transporting layer containing the compounds of formula (I) and formula (II) is formed on the charge generating layer.
REFERENCES:
patent: 4808506 (1989-02-01), Loufty
Hoshizaki Taketoshi
Hozumi Masahiko
Mashimo Kiyokazu
Nakamura Kazuyuki
Ojima Fumio
Fuji 'Xerox Co., Ltd.
Welsh J. David
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