Electrophotographic photosensitive element comprising a protecti

Details Electrophotographic photosensitive element comprising a protecti Electrophotographic photosensitive element comprising a protecti

1990-03-16

1993-04-20

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, G03G 5082, G03G 514

Patent

active

052042022

ABSTRACT:
An electrophotographic photosensitive element, e.g. for a photocopier or laser printer, comprises a substrate and a plurality of layers on the substrate including a photoconductive layer of a-Si:H and a protective and lubricating layer which is outermost from said substrate. To provide wear resistance and long life-time of the protective and lubricating layer, this layer comprises a microporous solid material having a pore structure which extends substantially over the whole thickness of the material and a hydrophobic lubricant carried by said solid material. The lubricant includes a liquid film and often times a non-particulate solid film, and provides at least part of the outer surface of the element and is present also in the pores of said microporous solid material.

REFERENCES:
patent: 3830648 (1974-08-01), Rutherford et al.
patent: 4647521 (1987-03-01), Oguchi et al.
patent: 4859554 (1989-08-01), Yamazaki et al.
Patent Abstracts of Japan, vol. 13, No. 261.

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