Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making radiation-sensitive product
Patent
1989-11-07
1991-01-15
Welsh, David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making radiation-sensitive product
427 74, G03G 506
Patent
active
049853309
ABSTRACT:
A photosensitive material for electrophotography which comprises an electrically conductive support of a desired shape and an organic photoconductive layer formed on the substrate, is provided. The organic photoconductive layer is formed from a solution of an organic charge-generating compound, an organic charge transfer compound and an organic resin in an organic solvent after low temperature treatment thereof wherein the solution is cooled to a temperature sufficient not to cause the solutes to be precipitated or the solution to be coagulated for a time enough to allow interaction between the compounds and the resin binder and is returned to room temperature. This solution is applied to the support and dried to form a photoconductive layer on the support. The photoconductive layer may be of a single-layer structure or a double-layered structure wherein at least one sub-layer should be formed from a solution subjected to the low temperature treatment. A process for making the photosensitive material is also described.
Murakami Mutsuaki
Tsuchiya Sohji
Yoshimura Susumu
Matsushita Electric - Industrial Co., Ltd.
Welsh David
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