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    • 11. 发明授权
    • Electrophotographic organophotoreceptors with novel charge transport compounds
    • 具有新型电荷传输化合物的电子照相有机光感受器
    • US06670085B2
    • 2003-12-30
    • US09963141
    • 2001-09-24
    • Nusrallah JubranHwan Koo LeeKam W. Law
    • Nusrallah JubranHwan Koo LeeKam W. Law
    • G03G1502
    • C07D455/04G03G5/0614G03G5/0616G03G5/0625G03G5/0629G03G5/0637G03G5/0642G03G5/0646G03G5/065G03G5/0661
    • Charge transport compounds are described that have a multiple number of hydrazone-bridged heterocyclic groups (especially julolidine, carbazole and/or triarylmethane groups) connected by a central bridging group. An example of charge transport compounds are those having the following generic formula: (R—Q)n-Y  Formula I wherein R is selected from the group consisting of julolidine ring groups, carbazole ring groups, and triarylmethane ring groups; Q comprises an aromatic hydrazone linking group, such as Y comprises a bridging group between R—Q— groups, such as a bond, carbon atom, nitrogen atom, oxygen atom, sulfur atom, a methylene group; Z is an aryl group, preferably a phenyl group or naphthyl group; X is a linking group, preferably amethylene group, and for example having the formula —(CH2)m-(branched or linear), where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups is optionally replaced by an oxygen atom, a carbonyl group, urethane, urea, an ester group, a —NR6 group, a CHR7 group, or a CR8R9 group where R6, R7, R8, and R9 are, independently, H, an alkyl group, or aryl group; and n is an integer between 2 and 6, inclusive. An organic photoreceptor includes that compound and (b) a charge generating compound; and (c) an electrically conductive substrate.
    • 描述了具有通过中心桥连基团连接的多个腙桥连杂环基(特别是久洛尼牌,咔唑和/或三芳基甲烷基团)的电荷转运化合物。 电荷输送化合物的实例是具有以下通式的那些:其中R选自高洛兰环,咔唑环和三芳基甲烷环; Q包括芳族腙连接基团,例如Y包括桥连基团 RQ-基团之间,如键,碳原子,氮原子,氧原子,硫原子,亚甲基; Z是芳基,优选苯基或萘基; X是连接基团,优选亚甲基基团,并且例如具有式 - (CH 2)m - (支链或直链),其中m是0和20之间的整数,包括端值在内,并且一个或多个亚甲基是任选的 由氧原子,羰基,氨基甲酸酯,脲,酯基,-NR6基,CHR7基或CR8R9基团取代,其中R6,R7,R8和R9独立地为H,烷基, 或芳基; n为2〜6的整数。 有机感光体包括该化合物和(b)电荷产生化合物; 和(c)导电基板。