Persistent photoconductive compositions

Details Persistent photoconductive compositions Persistent photoconductive compositions

1974-10-30

1977-07-05

Klein, David

Gas separation: apparatus

Magnetic separating means

96 16, G03G 500

Patent

active

040337693

ABSTRACT:
Photoconductive compositions comprising an organic photoconductive material, an activator capable of forming a charge transfer complex with the photoconductive material, and a protonic acid. Imaging members provided with an imaging layer prepared from the above composition are highly light sensitive, requiring only brief exposure times, and exhibit a photoinduced state of elevated conductivity which persists long after exposure to light is terminated. These compositions can be returned to their relatively insulative state by merely subjecting the imaging layer to heat in the dark, thereby erasing this photoinduced image pattern of elevated conductivity.

REFERENCES:
patent: 3740218 (1973-06-01), Contois
patent: 3811879 (1974-05-01), Montillier

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