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    • 26. 发明授权
    • Trisazo electrophotographic photoconductive material
    • Trisazo电子照相感光材料
    • US4600674A
    • 1986-07-15
    • US748398
    • 1985-06-24
    • Kazuhiro EmotoAkira Itoh
    • Kazuhiro EmotoAkira Itoh
    • C09B35/378G03G5/06
    • G03G5/069C09B35/378G03G5/0687G03G5/0688G03G5/0692
    • Disclosed is an electrophotographic photoconductive material excellent in sensitivity and durability which comprises an electroconductive substrate and, provided thereon, a photosensitive layer containing a trisazo pigment represented by the general formula ##STR1## wherein R's, which may be the same or different, represent each a hydrogen atom, halogen atom, substituted or unsubstituted alkyl group, alkoxyl group, or nitrile group; n is an integer of 1 or 2; and A represents ##STR2## wherein Z represents a group of atoms necessary to complete a substituted or unsubstituted aromatic carbon ring or a substituted or unsubstituted aromatic hetero-ring; X represents a hydrogen atom, an alkyl group, or a group of atoms necessary to complete a substituted or unsubstituted aromatic carbon ring, a substituted or unsubstituted aromatic hetero ring, or a substituted or unsubstituted hetero ring; m is 0 or 1; B represents a group of atoms necessary to complete a substituted or unsubstituted aromatic carbon ring, a substituted or unsubstituted aromatic hetero ring, or a substituted or unsubstituted monocyclic hetero ring; Y represents a hydrogen atom, hydroxyl group, carboxyl group or an ester thereof, sulfo group, substituted or unsubstituted carbamoyl group, or substituted or unsubstituted sulfamoyl group; R.sub.1 represents a hydrogen atom, substituted or unsubstituted alkyl group, substituted or unsubstituted amino group, substituted or unsubstituted carbamoyl group, carboxyl group or an ester thereof, or cyano group; Ar represents a substituted or unsubstituted aryl group; and R.sub.2 represents a substituted or unsubstituted alkyl group, substituted or unsubstituted aralkyl group, or substituted or unsubstituted aryl group.
    • 公开了一种敏感性和耐久性优异的电子照相感光材料,其包含导电性基材,并且在其上设置含有通式(I)[I]表示的三偶氮颜料的感光层,其中R可以相同或不同, 代表氢原子,卤素原子,取代或未取代的烷基,烷氧基或腈基; n为1或2的整数; A表示 其中Z表示完成取代或未取代的芳族碳环或取代或未取代的芳族杂环所必需的原子团; X表示完成取代或未取代的芳族碳环所需的氢原子,烷基或原子团,取代或未取代的芳族杂环或取代或未取代的杂环; m为0或1; B表示完成取代或未取代的芳族碳环,取代或未取代的芳族杂环或取代或未取代的单环杂环所必需的一组原子; Y表示氢原子,羟基,羧基或其酯,磺基,取代或未取代的氨基甲酰基或取代或未取代的氨磺酰基; R 1表示氢原子,取代或未取代的烷基,取代或未取代的氨基,取代或未取代的氨基甲酰基,羧基或其酯或氰基; Ar表示取代或未取代的芳基; 并且R 2表示取代或未取代的烷基,取代或未取代的芳烷基或取代或未取代的芳基。