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    • 1. 发明公开
    • Electrophotographic photosensitive material
    • 电子照相感光材料
    • EP0091833A1
    • 1983-10-19
    • EP83302086.0
    • 1983-04-13
    • MITA INDUSTRIAL CO. LTD.
    • Higashiguchi, TeruakiNakatani, KanameMiyakawa, Nobuhiro
    • G03G5/06G03G5/04G03G5/09C09B31/06C09B35/037
    • C09B35/037C09B31/06C09B31/14G03G5/0679
    • A photosensitive material suitable for use in electrophotography comprises a photosensitive layer containing a disazo pigment represented by the formula:
      wherein R, stands for a lower alkyl or lower alkoxy group, n is zero, 1 or 2, R 2 stands for a lower alkyl, lower alkoxy, di-lower-alkylamino or nitro group or a halogen atom, m is zero, 1 or 2, Z stands for a benzene or naphthalene ring, and Y stands for a group represented by the formula:

      in which B stands for a benzene, naphthalene, indole, carbazole or benzofuran ring or a substitution product thereof, which is fused to the benzene ring, Ar, and Ar 2 stands for a benzene, naphthalene or dibenzofuran ring or a substitution product thereof, R 3 stands for a lower alkyl, carboxyl or carboxyl ester group, and R 4 stands for a hydrogen atom, or a lower alkyl, phenyl or substituted phenyl group.
    • 适用于电子照相术的感光材料包括含有由下式表示的双偶氮颜料的感光层:其中R 1代表低级烷基或低级烷氧基,n是0,1或2,R 2代表低级烷基,低级 烷氧基,二低级烷基氨基或硝基或卤素原子,m为0,1或2,Z代表苯或萘环,Y代表下式代表的基团:其中B代表苯 ,萘,吲哚,咔唑或苯并呋喃环或其取代产物,其与苯环稠合,Ar和Ar2代表苯,萘或二苯并呋喃环或其取代产物,R3代表低级烷基,羧基 或羧基酯基,R4代表氢原子,或低级烷基,苯基或取代的苯基。