Photosensitive material for electrophotography

Abstract

Abstract Disclosed is a photosensitive material for electrophotography, which comprises a photosensitive layer containing a tetrakis-azo pigment represented by the following formula: ##STR1## wherein X 1 stands for a lower alkyl group, a lower alkoxy group or a halogen atom, X 2 and X 3 stand for a lower alkyl group, a lower alkoxy group, a halogen atom or a hydrogen atom, and Y stands for a group represented by the following group: ##STR2## in which Z stands for an aromatic ring such as a benzene or naphthalene ring, a substitution product thereof, a hetero ring such as an indole, carbazole or benzofuran ring, or substitution product thereof, Ar 1 stands for an aromatic ring such as a benzene or naphthalene ring, a substitution product thereof, a hetero ring such as a dibenzofuran ring, or a substitution product thereof, Ar 2 and Ar 3 stand for an aromatic ring such as a benzene or naphthalene ring or a substitution product thereof, R 1 stands for a lower alkyl group, a carboxyl group or an ester thereof, and R 2 and R 3 stand for a hydrogen atom, a lower alkyl group, a phenyl group or a substitution product thereof.

Inventors

• 👤 Nobuhiro Miyakawa
• 👤 Teruaki Higashiguchi
• 👤 Yumiko Sano
• 👤 Masatomi Funato

Bibliographic Details