Layered photoresponsive imaging device with photogenerating pigm

Details Layered photoresponsive imaging device with photogenerating pigm Layered photoresponsive imaging device with photogenerating pigm

1982-09-21

1984-03-27

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 66, 430 96, G03G 500, G03G 504

Patent

active

044395078

ABSTRACT:
This invention is directed to an improved photoresponsive device comprised in the order stated of (1) an optional supporting substrate, (2) a conductive layer, (3) a photogenerating layer comprised of an inorganic photoconductive composition, or an organic photoconductive composition, dispersed in a resinous binder material comprised of a poly(hydroxyether) material selected from the group consisting of those of the following formulas: ##STR1## wherein X and Y are independently selected from the group consisting of aliphatic groups and aromatic groups, Z is hydrogen, an aliphatic group or an aromatic group, and n is a number of from about 50 to about 200, and (4) in contact with the photogenerating layer a charge transport layer comprised of an electrically active composition dispersed in an insulating organic resinous binder, which composition is of the following formula: ##STR2## wherein X is selected from the group consisting of ortho (CH.sub.3), meta (CH.sub.3), para (CH.sub.3), ortho (Cl), meta (Cl) and para (Cl); as well as the use of such devices in electrostatographic imaging systems, particularly xerographic imaging systems.

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patent: 4315981 (1982-02-01), Wiedemann
patent: 4337299 (1982-01-01), Van der Bergh

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