Electrophotographic photoreceptor, process cartridge, and image forming apparatus
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United States of America Patent
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May 23, 2017
Grant Date -
Mar 30, 2017
app pub date -
Feb 19, 2016
filing date -
Sep 25, 2015
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Abstract
An electrophotographic photoreceptor includes an electroconductive substrate, a photosensitive layer provided on the electroconductive substrate, and an inorganic surface layer provided on the photosensitive layer, wherein a layer constituting an outermost surface of the photosensitive layer contains from 30% by weight to 70% by weight of silica particles and contains a biphenyl copolymerization type polycarbonate resin including a structural unit represented by the formula (PCA) and a structural unit represented by the formula (PCB) at a copolymerization ratio (PCA:PCB (molar ratio)) of 10:90 to 50:50:
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