Photosensitive material for electrophotography having a polyviny

Details Photosensitive material for electrophotography having a polyviny Photosensitive material for electrophotography having a polyviny

1978-01-05

1980-07-29

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 83, G03G 514, G03G 506

Patent

active

042149070

ABSTRACT:
In a photosensitive material for electrophotography, an intermediate 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 phthalocyanine derivative and the above polycyclic aromatic 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 negligible 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.

REFERENCES:
patent: 3573906 (1971-04-01), Gotte
patent: 3816118 (1974-06-01), Byrne
patent: 3926629 (1975-12-01), Weigl
patent: 3953207 (1976-04-01), Horgan

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