公开(公告)号：US5278014A

公开(公告)日：1994-01-11

申请号：US896156

申请日：1992-06-10

Applicant: Kiyoshi Tamaki ,  Shigeki Takeuchi

Inventor： Kiyoshi Tamaki ,  Shigeki Takeuchi

IPC: G03G5/047 ,  G03G5/05 ,  G03G5/07

CPC classification number: G03G5/078 ,  G03G5/047 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521

Abstract: Disclosed is an electrophotographic photoreceptor which comprises a conductive substrate and a photosensitive layer formed thereon, wherein the photosensitive layer contains a polysilane which is a homopolymer or a copolymer having at least one of repeating units represented by Formula (I) and Formula (II), and at least one of degradation inhibitors represented by Formula (III) through Formula (VIII), ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, an alkylsilyl group or an arylsilyl group, ##STR2## wherein A.sub.1 represents an oxygen atom or a sulfur atomR.sub.12 --A.sub.2 --COCOOH Formula (V)wherein R.sub.12 represents an aryl group or a substituted group, A.sub.2 represents --CH.sub.2 -- or --CH.dbd.CR.sub.13 --, R.sub.13 represents a hydrogen atom or a halogen atom, ##STR3## An electrophotographic photoreceptor according to this invention is improved in photoreceptivity, residual potential and photoreception speed.

Abstract translation: 公开了一种电子照相感光体，其包含导电性基材和形成在其上的感光层，其中感光层含有聚硅烷，其为具有式（I）和式（II）所示的重复单元中的至少一种的均聚物或共聚物， 和式（III）至式（VIII）表示的至少一种降解抑制剂，（*化学结构*）式（I）（*化学结构*）式（II）其中R1，R2，R3和R4各自表示 氢原子，卤素原子，取代或未取代的烷基，取代或未取代的芳基，取代或未取代的烷氧基，烷基甲硅烷基或芳基甲硅烷基，（*化学结构*）式（III）（*化学结构 *）式（IV）其中A1表示氧原子或硫原子R12-A2-COCOOH式（Ⅴ）其中R12表示芳基或取代基，A2表示-CH2-或-CH = CR13-，R13表示 啊 （*化学结构*）式（VI）（*化学结构*）式（VII）（*化学结构*）式（VIII）根据本发明的电子照相感光体的光感受性，残留量 电位和光接收速度。