Imaging system using novel charge transport layer

Details Imaging system using novel charge transport layer Imaging system using novel charge transport layer

1979-04-30

1980-11-11

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 72, G03G 504

Patent

active

042333849

ABSTRACT:
A photosensitive member having at least two electrically operative layers is disclosed. The first layer comprises a photoconductive layer which is capable of photogenerating holes and injecting photogenerated holes into a contiguous charge transport layer. The charge transport layer comprises a polycarbonate resin containing from about 25 to about 75 percent by weight of one or more of a compound having the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are selected from the group consisting of hydrogen, an ortho, meta or para alkyl group having from 1 to about 4 carbon atoms, an ortho, meta or para halogen atom, a para phenyl group and combinations thereof.

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patent: 4081274 (1978-03-01), Horgan
patent: 4140529 (1979-02-01), Pai et al.
Berwick et al., Research Disclosure, vol. 133 pp. 38-43 (May 1975).

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