Electrophotographic photoreceptor, and electrophotographic cartridge and image forming apparatus including same
申请人:Mitsubishi Chemical Corporation
公开号:US10884348B2
公开(公告)日:2021-01-05
The present invention aims to provide an electrophotographic photoreceptor which is excellent in abrasion resistance against practical load and excellent in initial electrical properties, preferably further excellent in adhesion between layers by containing a polyester resin excellent in abrasion resistance, which is an electrophotographic photoreceptor containing a photosensitive layer and a conductive support, the electrophotographic photoreceptor containing a polyester resin having a specific structure α with a number average molecular weight of 15,000 or less and containing a divalent phenol residue and a divalent carboxylic acid residue.
本发明的目的是提供一种电致发光感光体,该感光体具有优异的耐磨性和初始电性能,尤其是通过含有耐磨性优异的聚酯树脂而进一步提高了层间的附着力,该感光体是一种电致发光感光体,包含感光层和导电支架,该电致发光感光体含有一种聚酯树脂,该聚酯树脂具有特定结构α,其平均分子量在 15000 或以下,并含有二价苯酚残基和二价羧酸残基。