| 摘要 |
PURPOSE:To enhance electric chargeability, sensitivity, and resistance to residual potential by forming an interlayer made of a heat hardenable resin containing a specified trisazo pigment. CONSTITUTION:The interlayer of an electrophotographic sensitive body obtained by successively laminating the interlayer, a charge generating layer, and a charge transfer layer on a conductive substrate is made of the heat hardenable resin containing one of the trisazo pigments represented by formula I in which A is a group represented by formula II or III; X is an aromatic ring, such as a benzene or naphthalene ring, or an indole ring; Ar1 is an aromatic ring, such as a benzene or naphthalene ring, or a hetero ring, such as dibenzofuran, or the like; Ar2 is an optionally substituted aromatic ring, such as a benzene or naphthalene ring; R1 is H, lower alkyl, or the like; and R2 is lower alkyl, phenyl, or the like. |
