Organic photosensitive material for electrophotography

Details Organic photosensitive material for electrophotography Organic photosensitive material for electrophotography

1982-04-07

1984-06-12

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 79, 430 96, G03G 506

Patent

active

044542135

ABSTRACT:
A photosensitive material for electrophotography is provided which has a very high sensitivity to rays having a wavelength included in the oscillation wavelength region of a laser printer, especially a semiconductor laser printer, and which also has a high charge potential. This photosensitive material comprises a phthalocyanine pigment, poly-N-vinylcarbazole, and an organic resin in which said phthalocyanine pigment and poly-N-vinylcarbazole are dispersed, wherein the weight ratio of phthalocyanine pigment to poly-N-vinylcarbazole is in the range of from 1.2 to 12 and the content of the organic resin is 35% to 70% by weight based on the total amount of the photosensitive material.

REFERENCES:
patent: 3926629 (1975-12-01), Weigl
patent: 4214907 (1980-07-01), Nakazawa et al.
patent: 4218528 (1980-08-01), Shimada et al.

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