发明名称 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
摘要 PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of retaining satisfactory charging properties even in long-term repetitive use while maintaining coatability. SOLUTION: In the electrophotographic photoreceptor obtained by sequentially stacking a subbing layer, a charge generating layer and a charge transport layer on a conductive support, the charge generating layer contains at least an azo pigment as a charge generating material and further contains a butyral resin containing≤40 mol% of hydroxyl group, and the charge transport layer is formed by coating with a coating liquid containing at least a binder resin, a charge transport material and two or more hydroquinone-based antioxidants in a cyclic ether solvent. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006058765(A) 申请公布日期 2006.03.02
申请号 JP20040242414 申请日期 2004.08.23
申请人 RICOH CO LTD 发明人 KIMURA MICHIO;KAHATA TOSHIYUKI
分类号 G03G5/04;G03G5/05;G03G5/06 主分类号 G03G5/04
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