Electrophotographic photoreceptor having an anodized Al-Mg or Al

Details Electrophotographic photoreceptor having an anodized Al-Mg or Al Electrophotographic photoreceptor having an anodized Al-Mg or Al

1990-09-21

1992-06-09

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 63, 430 84, G03G 504

Patent

active

051206269

ABSTRACT:
An electrophotographic photoreceptor is disclosed, comprising at least a substrate having thereon a charge transporting layer and a charge generating layer, wherein the charge transporting layer is a porous anodized film which is formed by anodizing a substrate comprising an Al-Mg alloy containing from 2.2 to 5.6% by weight of magnesium and, as impurities, at least one of Mn, Cu, Fe, Si, Cr, and Zn or an Al-Mn alloy containing from 1.0 to 1.5% by weight of manganese and, as impurities, at least one of Cu, Fe, Si, and Zn. And the electrophotographic photoreceptor can be produced by a process comprising subjecting a substrate comprising an Al-Mg alloy containing from 2.2 to 5.6% by weight of magnesium and, as impurities, at least one of Mn, Cu, Fe, Si, Cr, and Zn or an Al-Mn alloy containing from 1.0 to 1.5% by weight of manganese and, as impurities, at least one of Cu, Fe, Si, and Zn to anodic oxidation to form a charge transporting layer comprising a porous anodized film and then forming a charge generating layer on the charge transporting layer. The electrophotographic photoreceptor exhibits excellent physical properties and electrophotographic properties, and satisfactory adhesion between a charge transporting layer and a charge generating layer.

REFERENCES:
patent: 3891516 (1975-06-01), Chu
patent: 4369242 (1989-01-01), Arimilli et al.
patent: 4970116 (1990-11-01), Kimura et al.

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