Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1992-06-29
1994-02-01
Kight, III, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 56, G03G 500
Patent
active
052831469
ABSTRACT:
A photoconductive phthalocyanine composition is disclosed, comprising (A) a photoconductive phthalocyanine composition comprising 100 parts by weight of an unsubstituted phthalocyanine derivative and from 0.001 to 5 parts by weight of a nitro- or halogen-substituted phthalocyanine derivative and (B) from 0.01 to 10 parts by weight, per 100 parts by weight of the photoconductive phthalocyanine composition (A), of a phthalocyanine derivative having at least 4 electron attracting groups. A photosensitive layer formed of the photoconductive phthalocyanine composition produces digital signals whether input light is digital or not. It is useful as not only a photoreceptor for digital recording system of electrophotography but a photoreceptor for analogue light input in conventional PPC to provide a high quality image with sharp edges.
REFERENCES:
CAS-Abstract-JP-57-148,745 "Integral Unit Electrophotographic Photoreceptor".
Bull. Soc. Chim. France, (1982): 23-26.
Gouda Junko
Iijima Katsutosi
Ishibashi Toshiaki
Itsubo Akira
Koyama Toshiyuki
Kight III John
Mitsubishi Petrochemical Co. Ltd.
Mosley T.
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