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    Electrophotographic photosensitive element
    1.
    发明公开
    Electrophotographic photosensitive element 失效
    电子照相感光元件

    公开(公告)号：EP0423823A1

    公开(公告)日：1991-04-24

    申请号：EP90120124.4

    申请日：1990-10-19

    申请人： MITA INDUSTRIAL CO. LTD.

    发明人： Mizuta, Yasufumi ,  Kawahara, Akihiko ,  Nakatani, Kaname ,  Yoshida, Takeshi ,  Miura, Satoru ,  Tanaka, Nariaki

    IPC分类号： G03G5/147

    CPC分类号： G03G5/14704 ,  G03G5/14769 ,  G03G5/14773 ,  G03G5/14791

    摘要： An electrophotographic photosensitive element comprising a photosensitive layer and a surface protective layer on the photosensitive layer, the surface protective layer comprising a thermosetting silicone resin, and a methyl-butyl etherified melamine-formaldehyde resin in an amount of from 0.1 to 30 parts by weight per 100 parts by weight of the non-volatile solid components of the thermosetting silicone resin, an electrophotographic photosensitive element comprising a photosensitive layer and a surface protective layer on the photosensitive layer, the surface protective layer comprising a thermosetting silicone resin, and an acrylic copolymer having an average molecular weight of 6,000 or less in an amount of from 0.1 to 30 parts by weight per 100 parts by weight of the non-volatile solid components of the thermosetting silicone resin, and an electrophotographic photosensitive element comprising a photosensitive layer and a surface protective layer on the photosensitive layer, the surface protective layer containing a thermosetting silicone resin, a methyl etherified melamine-formaldehyde resin and/or a methyl-butyl mixed etherified melamine-formaldehyde resin in an amount of from 0.1 to 50 parts by weight per 100 parts by weight of the non-volatile solid components of the thermosetting silicone resin, and a thermoplastic resin in an amount of from 1 to 11 wt% to a total amount of the non-volatile solid components of the thermosetting silicone resin and the methyl etherified melamine-formaldehyde resin and/or the methyl-butyl mixed etherified melamine-formaldehyde resin.

    摘要翻译： 1.一种电子照相感光性元件，其包含感光层和在所述感光层上的表面保护层，所述表面保护层包含热固性硅树脂和甲基丁基醚化的三聚氰胺甲醛树脂，所述树脂的量为每重量份0.1至30重量份 100重量份热固性硅树脂的非挥发性固体组分，在感光层上包含光敏层和表面保护层的电子照相光敏元件，表面保护层包含热固性硅树脂和丙烯酸类共聚物， 平均分子量为6,000或更少，其量为0.1至30重量份/ 100重量份热固性硅氧烷树脂的非挥发性固体组分，和包含光敏层和表面保护剂的电子照相光敏元件 在感光层上的一层， 以每100重量份的非挥发性物质0.1至50重量份的量含有热固性硅树脂，甲基醚化的三聚氰胺 - 甲醛树脂和/或甲基 - 丁基混合醚化的三聚氰胺 - 甲醛树脂的表面保护层 热固性硅树脂的固体组分和热塑性树脂的量为热固性硅树脂和甲基醚化的蜜胺 - 甲醛树脂的非挥发性固体组分的总量的1-11重量％和/或 甲基 - 丁基混合醚化三聚氰胺 - 甲醛树脂。

    An azo compound and electrophotographic photosensitive member having a photosensitive layer comprising the azo compound
    4.
    发明公开
    An azo compound and electrophotographic photosensitive member having a photosensitive layer comprising the azo compound 失效
    具有含此偶氮化合物的感光层的偶氮化合物和电子照相感光构件。

    公开(公告)号：EP0545619A1

    公开(公告)日：1993-06-09

    申请号：EP92310767.6

    申请日：1992-11-25

    申请人： MITA INDUSTRIAL CO., LTD.

    发明人： Miyamoto, Eiichi ,  Hanatani, Yasuyuki ,  Iwasaki, Hiroaki ,  Mizuta, Yasufumi ,  Kawahara, Akihiko

    IPC分类号： G03G5/06

    CPC分类号： C09B56/00 ,  C09B35/037 ,  G03G5/0679 ,  G03G5/0683

    摘要： An azo compound represented by the following general formula IA and an electrophotographic photosensitive member comprising a photosensitive layer containing the azo compound:

    wherein R¹ and R² are the same or different from each other and indicate a hydrogen atom, an alkyl group, an alkenyl group, a hydroxyl group, an alkoxy group, a carboxy group, an alkoxy carbonyl group, an acyl group, an aryl group, a halogen group or a cyano group, respectively; R¹⁴ indicates a hydrogen atom, a halogen group, an alkyl group, an alkoxy group, an aryl group, an amino group, a cyano group, a nitro group or a sulfoxide group; and A indicates a coupler residue having an acceptor property.

    摘要翻译： 由下述通式IA和电子照相感光构件，其包括感光层含有该偶氮化合物表示的偶氮化合物： worin - [R <1>和R <2>是相同的或彼此不同，表示氢原子 其中烷基，烯基，羟基，对烷氧基，羧基，烷氧基上羰基，酰基，以芳基，卤素基团或分别氰基，; [R <1> <4>表示氢原子，卤素基团，烷基上的基团，上烷氧基，芳基中的氨基，氰基，硝基或亚砜基; 和A表示具有受主性能的成色剂残基。

    An azo compound and an electrophotographic photosensitive member having a photosentive layer comprising the azo compound
    7.
    发明公开
    An azo compound and an electrophotographic photosensitive member having a photosentive layer comprising the azo compound 失效
    具有含此偶氮化合物的感光层的偶氮化合物和电子照相感光构件。

    公开(公告)号：EP0545620A1

    公开(公告)日：1993-06-09

    申请号：EP92310768.4

    申请日：1992-11-25

    申请人： MITA INDUSTRIAL CO., LTD.

    发明人： Miyamoto, Eiichi ,  Hanatani, Yasuyuki ,  Iwasaki, Hiroaki ,  Mizuta, Yasufumi ,  Kawahara, Akihiko

    IPC分类号： G03G5/06

    CPC分类号： C09B35/039 ,  G03G5/0679

    摘要： An azo compound represented by the following general formula IA and an electrophotographic photosensitive member comprising a photosensitive layer containing the azo compound:

    wherein R¹ and R² are the same or different from each other and indicate a hydrogen atom, an alkyl group, an alkenyl group, a hydroxyl group, an alkoxy group, a carboxy group, an alkoxy carbonyl group, an acyl group, an aryl group, a halogen group or a cyano group, respectively; R¹⁴ indicates a hydrogen atom, a halogen group, an alkyl group, an alkoxy group, an aryl group, an amino group, a cyano group, a nitro group or a sulfoxide group; and A indicates a coupler residue having an acceptor property.

    摘要翻译： 由下述通式IA和电子照相感光构件，其包括感光层含有该偶氮化合物表示的偶氮化合物： worin - [R <1>和R <2>是相同的或彼此不同，表示氢原子 其中烷基，烯基，羟基，对烷氧基，羧基，烷氧基上羰基，酰基，以芳基，卤素基团或分别氰基，; [R <1> <4>表示氢原子，卤素基团，烷基上的基团，上烷氧基，芳基中的氨基，氰基，硝基或亚砜基; 和A表示具有受主性能的成色剂残基。

    An azo compound and an electrophotographic photosensitive member having a photosensitive layer comprising the azo compound
    9.
    发明公开
    An azo compound and an electrophotographic photosensitive member having a photosensitive layer comprising the azo compound 失效
    偶氮化合物，具有含有该偶氮化合物的感光层的电子照相感光构件。

    公开(公告)号：EP0545618A1

    公开(公告)日：1993-06-09

    申请号：EP92310766.8

    申请日：1992-11-25

    申请人： MITA INDUSTRIAL CO., LTD.

    发明人： Miyamoto, Eiichi ,  Hanatani, Yasuyuki ,  Iwasaki, Hiroaki ,  Mizuta, Yasufumi ,  Kawahara, Akihiko

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0679 ,  C09B35/037 ,  G03G5/0683

    摘要： An azo compound represented by the following general formula IA and an electrophotographic photosensitive member comprising a photosensitive layer containing the azo compound:

    wherein R¹ and R² are the same or different from each other and indicate a hydrogen atom, an alkyl group, an alkenyl group, a hydroxyl group, an alkoxy group, a carboxy group, an alkoxy carbonyl group, an acyl group, an aryl group, a halogen group or a cyano group, respectively; R¹⁴ indicates a hydrogen atom, a halogen group, an alkyl group, an alkoxy group, an aryl group, an amino group, a cyano group, a nitro group or a sulfoxide group; and A indicates a coupler residue having an acceptor property.

    摘要翻译： 由下述通式IA和电子照相感光构件，其包括感光层含有该偶氮化合物表示的偶氮化合物： worin - [R <1>和R <2>是相同的或彼此不同，表示氢原子 其中烷基，烯基，羟基，对烷氧基，羧基，烷氧基上羰基，酰基，以芳基，卤素基团或分别氰基，; [R <1> <4>表示氢原子，卤素基团，烷基上的基团，上烷氧基，芳基中的氨基，氰基，硝基或亚砜基; 和A表示具有受主性能的成色剂残基。

    Electrophotographic photosensitive element
    10.
    发明公开
    Electrophotographic photosensitive element 失效
    电子感光元件

    公开(公告)号：EP0430235A3

    公开(公告)日：1991-10-16

    申请号：EP90122848.6

    申请日：1990-11-29

    申请人： MITA INDUSTRIAL CO. LTD.

    发明人： Mizuta, Yasufumi ,  Hanatani, Yasuyuki ,  Nakatani, Kaname ,  Yoshida, Takeshi ,  Sakuma, Tadashi ,  Tanaka, Nariaki ,  Kawahara, Akihiko

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0605 ,  G03G5/0616

    摘要： An electrophotographic photosensitive element comprising an electrically conductive substrate having formed, first, a charge transfer layer, second, a charge generating layer, and, third, a surface protective layer. The charge transfer layer contains a butadiene derivative and/or a hydrazone compound. The charge generating layer contains a hydrazone compound as a charge transfer material in addition to a charge generating material. The charge generating layer is formed by coating the charge transfer layer with an alcoholic solvent in which is dissolved the coating composition of the charge generating layer. The surface protective layer is formed on the surface of the charge generating layer.