Laminated ZnO photosensitive material

Details Laminated ZnO photosensitive material Laminated ZnO photosensitive material

1981-03-04

1982-07-20

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 57, 430 65, 430 88, G03G 5087, G03G 514

Patent

active

043406580

ABSTRACT:
Disclosed is a laminated photosensitive material for electrophotography, which comprises a conductive substrate, an undercoat layer formed of a composition comprising a resin binder having no substantial photoconductivity and photoconductive zinc oxide in an amount of 1 to 20 parts by weight per part by weight of the resin binder, an intermediate layer formed of a composition comprising a polyvinyl carbazole type photoconductor and photoconductive zinc oxide in an amount of 1 to 20 parts by weight per part by weight of the photoconductor and a topcoat layer comprised of a polyvinyl carbazole type photoconductor.
This laminated photosensitive material has a very high sensitivity and a high initial charge voltage in combination and provides an image having a high density and a high contrast.

REFERENCES:
patent: 2987395 (1961-06-01), Jarvis
patent: 3801317 (1974-04-01), Tanaka et al.
patent: 3861796 (1975-01-01), Tanaka et al.
patent: 3881923 (1975-05-01), Tanaka et al.
patent: 4076528 (1978-02-01), Bean et al.

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