申请人:HITACHI CHEMICAL CO., LTD.
公开号:EP0475676A1
公开(公告)日:1992-03-18
Disclosed is an electrophotographic member containing as a charge transport material a fluorine-containing N,N,N′,N′-tetraarylbenzidine derivative which is remarkably excellent in solubility in an organic solvent and/or a binder such as polycarbonate resin, etc., can show very excellent electrophotographic properties such as high sensitivity, low residual potential and high durability. Further, a fluorine-containing N,N,N′,N′-tetraarylbenzidine derivative usable as a charge transport material, and a process for producing the same are disclosed. Furthermore, a fluorine-containing diarylamine usable for producing the fluorine-containing N,N,N′,N′-tetraarylbenzidine derivative, and a process for producing the same are disclosed.
本发明公开了一种含有含氟 N,N,N′,N′-四芳基联苯胺衍生物作为电荷传输材料的电致发光构件,该衍生物在有机溶剂和/或聚碳酸酯树脂等粘合剂中的溶解性极佳,可显示出非常优异的电致发光性能,例如高灵敏度、低残留电位和高耐久性。此外,还公开了一种可用作电荷传输材料的含氟 N,N,N′,N′-四芳基联苯胺衍生物及其生产工艺。此外,还公开了一种可用于生产含氟 N,N,N′,N′-四芳基联苯胺衍生物的含氟二芳基胺及其生产工艺。