Patent ID: 8795936
Filing Date: 2014-08-05
Classification: G03G

Abstract:
1. An electrophotographic photosensitive member comprising an electrically conductive support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer, the photosensitive layer comprising a charge generation material and a hole transport material, wherein the undercoat layer comprises a polymer having a repeating structural unit represented by the following formula (1) with the proviso that a polymer further having a repeating structural unit represented by the following formula (2) is excluded from the polymer having the repeating structural unit represented by the following formula (1): wherein, in the formulae (1) and (2), Z wherein, in the formula (A-1), R in the formula (A-2), R in the formula (A-3), R in the formula (A-4), R in the formula (A-5), R in the formula (A-6), R in the formula (A-7), R in the formula (A-8), R