Photosensitive material containing an organic polymeric...

Details Photosensitive material containing an organic polymeric... Photosensitive material containing an organic polymeric...

G - Physics

03

G

96/204

G03G 5/14 (2006.01) G03G 5/047 (2006.01) G03G 5/06 (2006.01)

Patent

CA 1119449

ABSTRACT OF THE DISCLOSURE In a photosensitive material for electophotography, an intermed- iate layer comprising an organic polymeric photoconductor and a polycyclic aromatic nitro compound at a specific ratio is formed on an electrically conductive substrate, and a top layer comprising, incorporated in a binder, phthalocyanine or a phthalocyanine derivative and the above polycyclic aro- matic nitro compound at a specific ratio is laminated on the intermediate layer. In this photosensitive material, the dark decay speed is controlled in a range suitable for application to the repeated copying operation and the residual potential left on the exposure area can be reduced to a neglig- ible level. Accordingly, occurrence of fogging is prevented and the toner transfer efficiency is improved. Further, this photosensitive material has improved mechanical, chemical and electric durabilities, and therefore, the life of the photosensitive material is remarkably prolonged.

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