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    • 61. 发明授权
    • Diamine compounds
    • 二胺化合物
    • US5434028A
    • 1995-07-18
    • US304553
    • 1994-09-12
    • Tomoyuki ShimadaMasaomi SasakiChiaki Tanaka
    • Tomoyuki ShimadaMasaomi SasakiChiaki Tanaka
    • G03G5/06C07C219/32C07C219/34C09B57/00G03G15/02C07C69/96
    • C07C219/32C07C219/34C07C2103/50
    • A diamine compound having formula (I): ##STR1## wherein R.sup.1 is hydrogen, an alkyl group having 1 to 6 carbon atoms which may have a substituent, an alkoxyl group having 1 to 6 carbon atoms which may have a substituent, an aryl group which may have a substituent, or an alkenyl group having 1 to 6 carbon atoms which may have a substituent; Ar.sup.1 is an aryl group which may have a substituent; Ar.sup.2 is a bivalent group selected from the group consisting of an arylene group and a stilbene group, which may have a substituent; n is an integer of 0 to 2; and X is a group selected from the group consisting of: ##STR2## in which R.sup.2 is hydrogen, an alkyl group having 1 to 6 carbon atoms which may have a substituent, an aryl group or a halogen; R.sup.3 and R.sup.4 each is an alkyl group having 1 to 6 carbon atoms or an aryl group. The diamine compounds are useful as charge transport materials in electrophotographic photoconductor applications, particularly layered photoconductors comprising a charge generation layer containing a pigment as a charge generating material, and a charge transport layer containing the diamine as a charge transport material.
    • 具有式(I)的二胺化合物:其中R 1是氢,可以具有取代基的具有1至6个碳原子的烷基,可以具有取代基的具有1至6个碳原子的烷氧基, 可以具有取代基的芳基或可具有取代基的碳原子数1〜6的烯基; Ar1是可以具有取代基的芳基; Ar 2是选自亚芳基和茋基的二价基团,其可以具有取代基; n为0〜2的整数, 并且X是选自下列的基团:其中R 2是氢,可以具有取代基的具有1至6个碳原子的烷基,芳基或者取代基的 卤素; R 3和R 4各自为具有1至6个碳原子的烷基或芳基。 二胺化合物可用作电子照相感光体应用中的电荷传输材料,特别是包含含有作为电荷产生材料的颜料的电荷产生层的分层感光体以及含有二胺作为电荷传输材料的电荷输送层。