Patent ID: 8956792
Filing Date: 2015-02-17
Classification: G03G

Abstract:
1. An electrophotographic photosensitive member comprising a support, a charge generation layer provided on the support, and a charge transport layer provided on the charge generation layer, the charge transport layer serving as a surface layer, the electrophotographic photosensitive member being characterized in that the charge transport layer has a matrix-domain structure including: wherein component [α] comprises a polycarbonate resin A which has a repeating structural unit represented by the formula (A) below, a repeating structural unit represented by the formula (B) below, and a repeating structural unit represented by the formula (C) below and in which the content of a siloxane moiety is 5% to 40% by mass, the content of the repeating structural unit represented by the formula (B) below is 10% to 30% by mass, and the content of the repeating structural unit represented by the formula (C) below is 25% to 85% by mass: wherein in the formula (A), n represents the number of repetitions of a structure within the brackets, and the average value of n for the polycarbonate resin A is 20 to 60, wherein in the formula (B), Y represents an oxygen atom or a sulfur atom, and wherein component [β] comprises a polycarbonate resin D which has a repeating structural unit represented by the formula (D) below: