Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1984-07-09
1986-06-03
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 63, 430 31, 430945, G03G 514
Patent
active
045929840
ABSTRACT:
An electrophotographic photosensitive member comprising a photosensitive layer having a laminated structure of charge generation and charge transport layers on a conductive substrate is characterized in that the charge generation layer contains a copper phthalocyanine pigment and the charge transport layer contains a hydrazone compound and a binder.
A process for forming electrostatic latent images comprises the steps of (1) giving electric charge to the face of an electrophotographic photosensitive member comprising a photosensitive layer having a laminated structure on a conductive substrate, said laminated structure consisting of a charge generation layer containing copper phthalocyanine and a charge transport layer containing a hydrazone compound and a binder and (2) scanning the charged face with a laser beam.
An image-forming process comprises the steps of (1) giving electric charge to the face of an electrophotographic photosensitive member having a photosensitive layer of a laminated structure on a conductive substrate, said laminated structure consisting of a charge generation layer containing copper phthalocyanine and a charge transport layer containing a hydrazone compound and a binder, (2) scanning the charged face with a laser beam, and (3) developing the resulting electrostatic latent image with a developer.
A process for preparing an electrophotographic photosensitive member, comprises the steps of (1) applying a dispersion of copper phthalocyanine in a resin solution onto an aluminum cylinder by dip coating to form a charge generation layer and (2) applying a hydrazone compound dissolved in a resin solution onto the previously formed charge generation layer by dip coating to form a charge transport layer thereupon.
REFERENCES:
patent: 3816118 (1974-06-01), Byrne
patent: 3895944 (1975-07-01), Wiedemann et al.
patent: 4150987 (1979-04-01), Anderson
patent: 4218528 (1980-08-01), Shimada et al.
patent: 4278747 (1981-07-01), Murayama et al.
patent: 4377629 (1983-03-01), Takumi et al.
Canon Kabushiki Kaisha
Martin Roland E.
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