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Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

  • US 10,372,050 B2
  • Filed: 05/17/2018
  • Issued: 08/06/2019
  • Est. Priority Date: 05/25/2017
  • Status: Active Grant
First Claim
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1. An electrophotographic photosensitive member comprising in this order:

  • a support;

    an undercoat layer comprising a cured product of an electron transport material, a polyolefin resin and an isocyanate compound having two or more isocyanate groups;

    a charge generation layer; and

    a charge transport layer, whereinthe electron transport material has at least one member selected from the group consisting of a hydroxyl group, a thiol group, an amino group and a carboxyl group, andthe polyolefin resin has at least one member selected from the group consisting of a carboxyl group, an alkoxycarbonyl group and an anhydrous carboxylic acid structure and an optionally substituted phenyl group, the polyolefin resin having a structure represented by formula (B1) and a structure represented by formula (B2)

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