Electrophotographic photoreceptor

Details Electrophotographic photoreceptor Electrophotographic photoreceptor

1993-04-23

1994-11-29

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, 430 74, 430 78, G03G 506, G03G 5043

Patent

active

053689658

ABSTRACT:
An electrophotographic photoreceptor comprises an .alpha.-form copper phthalocyanine composition, which is obtained by treating a copper tetranitrophthalocyanine and copper phthalocyanine simultaneously to convert the crystalline form into .alpha.-form, and a photoconductive squarylium compound as the photoconductive material, and the ratios of the copper tetranitrophthalocyanine and the squarylium compound to the .alpha.-form copper phthalocyanine composition are limited to a particular range. The photoreceptor has a high photosensitivity and an excellent durability.

REFERENCES:
patent: 4443528 (1984-04-01), Iamura et al.
patent: 4983483 (1991-01-01), Tsai

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