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ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

  • US 20150185636A1
  • Filed: 12/12/2014
  • Published: 07/02/2015
  • Est. Priority Date: 12/26/2013
  • Status: Active Grant
First Claim
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1. An electrophotographic photosensitive member comprising:

  • a support;

    an undercoat layer formed on the support;

    a charge generating layer formed directly on the undercoat layer; and

    a hole transporting layer formed on the charge generating layer;

    wherein the undercoat layer comprises;

    a polymerized product of a composition comprising an electron transporting substance having a polymerizable functional group, and a crosslinking agent; and

    resin particles;

    wherein the content of the electron transporting substance is 30% by mass or more and 70% by mass or less based on the total mass of the composition, anda plurality of protrusions derived from the resin particles in the undercoat layer is formed at an interface between the undercoat layer and the charge generating layer.

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