Imaging member including a n,n'substituted...

Details Imaging member including a n,n'substituted... Imaging member including a n,n'substituted...

G - Physics

03

G

96/187

G03G 5/04 (2006.01) G03G 5/05 (2006.01) G03G 5/06 (2006.01)

Patent

CA 1139599

Abstract of the Disclosure An imaging member comprising a hole generation layer and a contiguous hole transport layer, said hole transport layer comprising a transparent electrically inactive polycarbonate resinous material having a residual amount of a halogen containing organic solvent therein and dispersed therein from about 25 to about 75 percent by weight based on said transport layer composition of a diamine, said charge transport layer being substantial- ly nonabsorbing in the spectral region at which the hole generation layer generates and injects photogenerated holes, but being capable of supporting the injection of photogenerated holes from said photoconductive material and transporting said hole through said charge transport layer, said charge transport layer also containing a stabilizing proportion of a di or triaryl methane compound of the general formula: Image wherein R1 and R2 are independently selected from the group consisting of a C1-C8 alkyl, aryl, alkaryl and aralkyl, where said aryl is a phenyl group or a condensed ring group, where the alkyl group of said alkaryl -2- and aralkyl is a C1-C4 group, R3 is independently selected from the group consisting of hydrogen and CH3; and R4 is the same as R1 and R2 or a di- substituted aminophenyl group wherein the substituents are independently selected from the group consisting of a C1-C8 alkyl, aryl, alkaryl and aralkyl as defined supra.

359397

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