Method of making electrostatographic imaging members containing

Details Method of making electrostatographic imaging members containing Method of making electrostatographic imaging members containing

1993-08-13

1994-06-28

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making radiation-sensitive product

430134, G03G 5047

Patent

active

053246152

ABSTRACT:
A process for fabricating an electrophotographic imaging member including providing a substrate to be coated, forming a coating comprising photoconductive pigment particles consisting essentially of vanadyl phthalocyanine particles having an average particle size of less than about 0.6 micrometer dispersed by ball milling for a specified amount of time in a solution of a solvent comprising alkyl acetate having from 3 to 5 carbon atoms in the alkyl group and a film forming polymer consisting essentially of a film forming polymer having a polyvinyl butyral content between about 50 and about 75 mol percent, a polyvinyl alcohol content between about 12 and about 50 mol percent, and a polyvinyl acetate content is between about 0 to 15 mol percent, drying the coating to remove substantially all of the n-alkyl acetate solvent to form a dried charge generation layer comprising between about 20 percent and about 45 percent by weight of the pigment particles based on the total weight of the dried charge generation layer, and forming a charge transport layer.

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