申请人:Takasago International Corporation
公开号:US05567560A1
公开(公告)日:1996-10-22
A triphenylamine derivative, a charge-transporting material comprising the triphenylamine derivative, and an electrophotographic photoreceptor containing a charge-transporting layer comprising the triphenylamine derivative are disclosed, wherein the triphenylamine derivative is represented by the following general formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 may be the same or different and each represents a hydrogen atom, a lower alkyl group, an alkoxy group, a halogen atom, or an aryl group which may have a substituent, or R.sup.1 and R.sup.2 and/or R.sup.3 and R.sup.4 may be taken together to form a ring, and n represents 0 or 1.
本发明涉及一种三苯胺衍生物、包含该三苯胺衍生物的电荷传输材料以及包含该电荷传输层的电子照相感光体。其中,所述三苯胺衍生物由下列通式(1)表示: ##STR1## 其中,R.sup.1、R.sup.2、R.sup.3、R.sup.4和R.sup.5 可相同也可不同,分别表示氢原子、低级烷基、烷氧基、卤素原子或苯基,该苯基可能具有取代基;或者R.sup.1和R.sup.2和/或R.sup.3和R.sup.4 可取在一起形成环,n 表示0或1。