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    Method of making photoreceptor charge transport layers
    31.
    发明授权
    Method of making photoreceptor charge transport layers 失效
    制造感光体电荷传输层的方法

    公开(公告)号：US5420226A

    公开(公告)日：1995-05-30

    申请号：US104696

    申请日：1993-08-11

    申请人： Gordon K. Hamer ,  Dasarao K. Murti

    发明人： Gordon K. Hamer ,  Dasarao K. Murti

    IPC分类号： C08G64/12 ,  G03G5/07 ,  C08G64/00

    CPC分类号： C08G64/12 ,  G03G5/076

    摘要： A method of making a photoreceptor charge transport layer involves the steps of applying at least one macrocyclic carbonate oligomer to a supporting surface, and in situ polymerizing the at least one macrocyclic oligomer to form at least one high molecular weight polymer; the at least one macrocyclic oligomer being a cocyclic or ter-cyclic oligomer comprising bisphenol glycol bischloroformate moieties and dihydroxy arylamine moieties.

    摘要翻译： 制备光感受器电荷传输层的方法包括将至少一种大环碳酸酯低聚物施加到支撑表面的步骤，以及原位聚合所述至少一种大环低聚物以形成至少一种高分子量聚合物; 所述至少一个大环低聚物是包含双酚双氯甲酸酯部分和二羟基芳基胺部分的共环或三环体低聚物。

    Photoconductive imaging members with polyurethane hole transporting layers
    35.
    发明授权
    Photoconductive imaging members with polyurethane hole transporting layers 失效
    具有聚氨酯空穴传输层的光导成像构件

    公开(公告)号：US4983482A

    公开(公告)日：1991-01-08

    申请号：US332650

    申请日：1989-04-03

    申请人： Beng S. Ong ,  Dasarao K. Murti ,  Lupu Alexandru

    发明人： Beng S. Ong ,  Dasarao K. Murti ,  Lupu Alexandru

    IPC分类号： C08G18/32 ,  G03G5/07

    CPC分类号： C08G18/329 ,  G03G5/075 ,  G03G5/076

    摘要： A layered photoresponsive imaging member comprised of a photogenerating layer, and in contact therewith a hole transporting layer comprised of charge transport polyurethanes of the following formula, optionally doped with a charge transport compound, or optionally dispersed in an inert resinous binder: ##STR1## wherein A, B and Z are independently selected from the group of bifunctional linkages; R is an alkyl or aryl group; Ar is an aryl or substituted aryl group; x and y represent the mole fractional numbers of the polyurethane structural composition units, subject to the provision that x is greater than 0 and that the sum of x and y is equal to 1.0; and n represents the number of repeating segments.

    摘要翻译： 层状光响应成像构件，其由光生成层组成，并且与其接触，由下式的电荷传输聚氨酯组成的空穴传输层，其任选地掺杂有电荷传输化合物，或任选地分散在惰性树脂粘合剂中： TR＆lt; IMAGE＆gt;其中A，B和Z独立地选自双功能键; R是烷基或芳基; Ar是芳基或取代的芳基; x和y表示聚氨酯结构组合物单元的摩尔分数，其条件是x大于0，x和y之和等于1.0; n表示重复段的数目。

    Imaging members
    37.
    发明授权
    Imaging members 失效

    公开(公告)号：US07166397B2

    公开(公告)日：2007-01-23

    申请号：US10744369

    申请日：2003-12-23

    申请人： Satchidanand Mishra ,  Anthony M. Horgan ,  Robert C. U. Yu ,  Dasarao K. Murti ,  Suresh K. Ahuja

    发明人： Satchidanand Mishra ,  Anthony M. Horgan ,  Robert C. U. Yu ,  Dasarao K. Murti ,  Suresh K. Ahuja

    IPC分类号： G03G5/047

    CPC分类号： G03G5/0525 ,  G03G5/0528 ,  Y10S430/103

    摘要： An electrophotographic imaging member having a charge generating layer and a charge transport layer overlayed thereon is provided. The charge transport layer has a lower surface and an upper surface, wherein the lower surface is in contiguous contact with the charge generating layer. The charge transport layer comprises a film forming polymer binder and a charge transport compound molecularly dispersed or dissolved therein to form a solid solution. The concentration of the charge transport compound in the charge transport layer decreases from the lower surface to the upper surface. In such a construction, the resulting charge transport layer exhibits enhanced cracking suppression, improved wear resistance, excellent imaging member electrical performance, and improved copy print out quality.