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    • 10. 发明授权
    • Electrophotographic photoreceptor containing a trisazo compound
    • 含有三偶氮化合物的电子照相感光体
    • US4687721A
    • 1987-08-18
    • US905450
    • 1986-09-10
    • Kazuhiro EmotoAkira ItohKozo Haino
    • Kazuhiro EmotoAkira ItohKozo Haino
    • C09B35/023C09B35/378G03G5/06G03G5/14
    • G03G5/0681C09B35/023C09B35/378G03G5/0688
    • There is disclosed an electrophotographic photoreceptor comprising an electroconductive support and, provided thereon, a photosensitive layer containing (A) a trisazo pigment formed by the reaction between a coupler component represented by the following general formula (I) and a diazonium salt represented by the following general formula (II) or (B) a bisazo pigment represented by the following general formula (III): ##STR1## wherein Z is a substituted or unsubstituted hydrocarbon ring or a group of atoms necessary to complete a substituted or unsubstituted hetero ring, R is oxygen, sulfur, or --NR'--, Y is a chain hydrocarbon necessary to complete a 5- or 6-membered ring, and R' is hydrogen or an alkyl, benzyl, or aryl group which may have a substituent; ##STR2## wherein A is a trivalent moiety whose carbon atom is bonded to nitrogen atom forming azo group and X.crclbar. is an anionic functional group; ##STR3## wherein A is a divalent moiety whose carbon atom is bonded to nitrogen atom forming azo group, R's which may be the same or different are each hydrogen, methyl, ethyl, nitro, or halogen, R' is hydrogen or halogen, X is --O--, --S--, or --NH--, and a is an integer of 1 or 2.
    • 公开了一种电子照相感光体,其包含导电性支持体,并且在其上设置感光层,感光层含有(A)由下述通式(I)表示的成色剂成分与下述通式(I)表示的重氮盐之间的反应形成的三偶氮颜料 通式(II)或(B)由以下通式(III)表示的双偶氮颜料:其中Z是取代或未取代的烃环或完成取代或未取代杂原子所必需的原子团 环,R是氧,硫或-NR'-,Y是完成5-或6-元环所必需的链烃,R'是氢或可具有取代基的烷基,苄基或芳基 ; (II)其中A是其碳原子与形成氮原子的氮原子键合的三价部分,X( - )是阴离子官能团; 其中A是碳原子与形成氮原子的氮原子连接的二价部分,R可相同或不同,分别为氢,甲基,乙基,硝基或卤素,R' 是氢或卤素,X是-O - , - S-或-NH-,a是1或2的整数。