申请人:Takasago International Corporation
公开号:US05942615A1
公开(公告)日:1999-08-24
A phenothiazine or phenoxazine derivative represented by the following general formula (1), a charge-transporting material comprising the derivative, and an electrophotographic photoreceptor containing the charge-transporting material are disclosed. The charge-transporting material has good solubility in binder polymers, satisfactory sensitivity, and a low residual potential In general formula (1) Ar.sup.1 and Ar.sup.2 may be the same or different and each represents an optionally substituted aryl group; R.sup.1 and R.sup.2 may be the same or different and each represents a hydrogen atom, a lower alkyl group, or an optionally substituted aryl group; R.sup.3 represents a lower alkyl group, an alicyclic hydrocarbon group having 5 to 7 carbon atoms, an optionally substituted aryl group, or an optionally substituted aralkyl group; X represents a sulfur atom or an oxygen atom; and n and m each represents an integer of 0 or 1.
本发明揭示了由以下一般式(1)表示的苯并噻嗪或苯氧嗪衍生物,包括该衍生物的电荷传输材料,以及含有该电荷传输材料的电子照相感光鼓。该电荷传输材料在粘合剂聚合物中具有良好的溶解性、令人满意的灵敏度和低残余电位。在一般式(1)中,Ar.sup.1和Ar.sup.2可以相同也可以不同,每个代表一个可选择取代的芳基;R.sup.1和R.sup.2可以相同也可以不同,每个代表一个氢原子、较低的烷基基团或可选择取代的芳基;R.sup.3代表一个较低的烷基基团、具有5到7个碳原子的脂环烃基团、可选择取代的芳基或可选择取代的芳基烷基基团;X代表硫原子或氧原子;n和m各代表0或1的整数。