Electrophotographic photoreceptor with phthalocyanine in styrene

Details Electrophotographic photoreceptor with phthalocyanine in styrene Electrophotographic photoreceptor with phthalocyanine in styrene

1989-08-09

1991-07-30

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 5087, G03G 5047

Patent

active

050359681

ABSTRACT:
An electrophotographic photoreceptor comprising an electrically conductive support and, formed thereon, at least a charge generating layer and a charge transporting layer, the charge generating layer containing a phthalocyanine pigment and, as a resin binder, at least one copolymer which comprises as recurring units at least styrene units and maleic anhydride half ester units represented by the following general formula (I): ##STR1## wherein R represents an alkyl group or an aryl group. The electrophotographic photoreceptor has high sensitivity and excellent durability.

REFERENCES:
patent: 4461818 (1984-07-01), Suzuki et al.
patent: 4477547 (1984-10-01), Yamada et al.
patent: 4500617 (1985-02-01), Nakayama
patent: 4518668 (1985-05-01), Nakayama
patent: 4520088 (1985-05-01), Senga et al.
patent: 4710446 (1987-12-01), Hoffmann et al.

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