Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1989-01-03
1990-06-12
Goodrow, John L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 96, G03G 514
Patent
active
049332465
ABSTRACT:
An electrophotographic imaging member comprising a supporting substrate having an electrically conductive surface, a polymeric blocking layer and at least one photoconductive layer, the polymeric blocking layer having a surface resistivity greater than about 10.sup.10 ohm/sq between the supporting substrate and the photoconductive layer, the blocking layer comprising the heat dried product of a coating mixture comprising a film forming acid, metal salt, or ester copolymer comprising a backbone chain of repeating hydrocarbon units and acidic or acid derivative groups as pendant side chains chemically bonded to the backbone chain, the acidic groups selected from the group consisting of sulfonic acids, carboxylic acids, phosphonic acids and acid anhydrides, and silica gel.
REFERENCES:
patent: 3295967 (1963-09-01), Schoenfeld
patent: 3932179 (1976-01-01), Perez-Albuerne
patent: 4014856 (1977-03-01), Gilliams et al.
patent: 4425418 (1984-01-01), Iwaki et al.
patent: 4464450 (1984-08-01), Teuscher
Goodrow John L.
Xerox Corporation
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