Electrophotographic photoreceptor

Details Electrophotographic photoreceptor Electrophotographic photoreceptor

1993-08-05

1995-06-13

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 59, 430 96, G03G 509

Patent

active

054241596

ABSTRACT:
An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing at least a charge generating material, a charge transporting material, and a binder resin, wherein said charge transporting material comprises a benzidine compound and/or a low-molecular weight charge transporting material having a molecular weight of from 200 to 400 and said binder resin mainly comprises a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and having a viscosity-average molecular weight ranging from 50,000 and 100,000, said charge transporting material and said binder resin being at a weight ratio of from 25:75 to 60:40. The photoreceptor exhibits improved abrasion resistance and improved peeling resistance while retaining excellent electrical and image characteristics.

REFERENCES:
patent: 4833054 (1989-05-01), Akasaki et al.
patent: 4956256 (1990-09-01), Ohtsuka et al.
patent: 4999268 (1991-03-01), Ojima et al.

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