公开(公告)号：US20100081073A1

公开(公告)日：2010-04-01

申请号：US12589874

申请日：2009-10-29

申请人： Junichiro Otsubo ,  Jun Azuma

发明人： Junichiro Otsubo ,  Jun Azuma

IPC分类号： G03G5/04 ,  C09B67/50

CPC分类号： C09B67/0019 ,  C09B67/0016 ,  C09B67/0026 ,  G03G5/0603 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0675 ,  G03G5/0677 ,  G03G5/0696

摘要： According to the present invention, a titanyl phthalocyanin crystal excellent in storage stability in organic solvents, a method for preparing the same and an electrophotographic photoconductor using the same are provided. In the titanyl phthalocyanin crystal, the method for preparing such a titanyl phthalocyanin crystal and the electrophotographic photoconductor using the same, the titanyl phthalocyanin crystal is characterized by having the maximum peak at a Bragg angle 2 θ±0.2°=27.2° in a CuKα characteristic X-ray diffraction spectrum and one peak within the range of 270 to 400° C. other than a peak accompanied by the vaporization of adsorbed water in a differential scanning calorimetric analysis.

摘要翻译： 根据本发明，提供了在有机溶剂中的保存稳定性优异的酞菁钛结晶，其制备方法和使用其的电子照相感光体。 在酞菁钛结晶中，制备这种酞菁钛结晶的方法和使用其的电子照相感光体，钛酞菁结晶的特征在​​于在CuKα中在布拉格角2＆amp;±0.2°= 27.2°具有最大峰 特征X射线衍射光谱和270-400℃范围内的一个峰，除了在差示扫描量热分析中伴随着吸附水蒸发的峰。

公开(公告)号：US07468230B2

公开(公告)日：2008-12-23

申请号：US10563507

申请日：2004-11-17

申请人： Jun Azuma ,  Fumio Sugai

发明人： Jun Azuma ,  Fumio Sugai

IPC分类号： G03G5/047

CPC分类号： G03G5/0637 ,  G03G5/0436 ,  G03G5/0557 ,  G03G5/0564 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0605 ,  G03G5/065 ,  G03G5/0651 ,  G03G5/0661

摘要： It is an object of the present invention to provide a wet-developing electrophotographic photoconductor which can be manufactured stably by making use of particular physical property indexes of an electron transport agent and a binding resin and possesses the excellent durability and the excellent solvent resistance and a wet-developing image forming device which uses such a wet-developing electrophotographic photoconductor. To achieve such an object, in a wet-developing electrophotographic photoconductor which forms a photosensitive layer containing at least a charge generating agent, an electron transport agent, a hole transport agent and a binding resin on an electrically conductive base body thereof and a wet-developing image forming device which uses the wet-developing electrophotographic photoconductor, an inorganic value/organic value (I/O value) of the electron transport agent is set to 0.60 or more and an inorganic value/organic value (I/O value) of the binding resin is set to 0.37 or more, or a molecular weight of the electron transport agent is set to a value equal to or more than 600 and an inorganic value/organic value (I/O value) of the binding resin is set to 0.37 or more.

摘要翻译： 本发明的目的是提供一种湿式显影电子照相感光体，其可以通过使用电子传输剂和粘合树脂的特定物理性能指标而稳定地制造，并且具有优异的耐久性和优异的耐溶剂性和 湿式显影图像形成装置，其使用这种湿式显影电子照相感光体。 为了实现这样的目的，在形成感光层的湿式显影电子照相感光体中，该感光层至少含有电荷发生剂，电子传输剂，空穴传输剂和粘合树脂，在导电性基体上， 使用湿式显影电子照相感光体的显影图像形成装置将电子传输剂的无机值/有机值（I / O值）设定为0.60以上，无机值/有机值（I / O值）为 将粘合树脂设定为0.37以上，将电子输送剂的分子量设定为600以上的值，将粘合树脂的无机/有机值（I / O值）设定为 0.37以上。

公开(公告)号：US07399564B2

公开(公告)日：2008-07-15

申请号：US11511953

申请日：2006-08-29

申请人： Jun Azuma ,  Junichiro Otsubo

发明人： Jun Azuma ,  Junichiro Otsubo

IPC分类号： G03G15/02

CPC分类号： G03G5/0564 ,  G03G5/0517 ,  G03G5/0596 ,  G03G5/0614 ,  G03G5/0666 ,  G03G5/0672 ,  G03G5/0696

摘要： An electrophotographic photoconductor where generation of cracks, crystallization of a photosensitive layer, and the like occur infrequently by sticking of finger oil. An electrophotographic photoconductor includes a conductive substrate on which a photosensitive layer containing at least a charge generating agent, a hole transfer agent and a binding resin is provided, wherein the binding resin is comprised of a plurality of polycarbonate resins; and the photosensitive layer contains a biphenyl derivative as a plasticizer component represented by the following general formula (1). (wherein R1 to R10 each independently represent a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms, and R represents a substituted or unsubstituted aryl group having 1 to 12 carbon atoms or a substituted or unsubstituted alkylene group having 1 to 12 carbon atoms).

摘要翻译： 电子照相感光体通过粘结手指油很少发生裂纹，感光层结晶等。 电子照相感光体包括：导电性基材，其上设置至少含有电荷产生剂，空穴转移剂和粘合树脂的感光层，其中所述粘合树脂由多个聚碳酸酯树脂构成; 感光层含有由以下通式（1）表示的增塑剂成分的联苯衍生物。 （其中R 1至R 10各自独立地表示具有1至12个碳原子的取代或未取代的烷基，R表示取代或未取代的具有1至12个的芳基 碳原子或取代或未取代的碳原子数1〜12的亚烷基）。

公开(公告)号：US20070077507A1

公开(公告)日：2007-04-05

申请号：US11523370

申请日：2006-09-19

申请人： Junichiro Otsubo ,  Jun Azuma ,  Keiji Maruo ,  Yoshio Inagaki ,  Norio Nakai ,  Kazunari Hamasaki ,  Shiho Okawa

发明人： Junichiro Otsubo ,  Jun Azuma ,  Keiji Maruo ,  Yoshio Inagaki ,  Norio Nakai ,  Kazunari Hamasaki ,  Shiho Okawa

IPC分类号： G03G5/14

CPC分类号： G03G5/047 ,  G03G5/142 ,  G03G5/144

摘要： The present invention provides an electrophotographic photoconductor which can reduce the generation of fogging under a high-temperature and high-moisture condition and can be easily manufactured, and a method of manufacturing such an electrophotographic photoconductor. In an electrophotographic photoconductor which includes a support base body, an intermediate layer and a photoconductor layer and a manufacturing method of such an electrophotographic photoconductor, the intermediate layer contains titanium oxide and a binding resin and a ΔL value of the intermediate layer satisfies a following relationship formula (1) or a ΔA value of the intermediate layer satisfies a following relationship formula (2), that is, −5.0≦ΔL≦0 (1) and ΔA≦0.055 (2), wherein the ΔL value is a value which is obtained by subtracting an L value (a parameter value which is measured by a color-difference meter in accordance with JIS Z 8722) which is measured with respect to a single support base body from the L value which is measured in a state that the intermediate layer is formed on the support base body, and the ΔA value is a value which is obtained by subtracting reflection absorbance (a parameter value which is measured by a color-difference meter) which is measured with respect to a single support base body from the reflection absorbance which is measured in a state that the intermediate layer is formed on the support base body.

摘要翻译： 本发明提供一种电子照相感光体，其可以在高温高湿条件下降低发烟，并且可以容易地制造，以及制造这种电照相感光体的方法。 在包括支撑基体，中间层和感光体层的电子照相感光体中，以及这种电子照相感光体的制造方法，中间层含有氧化钛和粘合树脂，中间层的ΔL值满足以下关系 式（1）或中间层的ΔA值满足关系式（2），即-5.0 <=ΔL<= 0（1）和ΔA<= 0.055（2），其中ΔL值为 通过从在一个状态下测量的L值中减去相对于单个支撑基体测量的L值（由根据JIS Z 8722测量的色差计的参数值）获得的值 中间层形成在支撑基体上，DeltaA值是通过减去反射吸光度（通过色差计测量的参数值）而获得的值 r），其从在支撑基体上形成中间层的状态下测量的反射吸光度相对于单个支撑体基体测量。

公开(公告)号：US20070054209A1

公开(公告)日：2007-03-08

申请号：US11511953

申请日：2006-08-29

申请人： Jun Azuma ,  Junichiro Otsubo

发明人： Jun Azuma ,  Junichiro Otsubo

IPC分类号： G03G5/05 ,  G03G5/047

CPC分类号： G03G5/0564 ,  G03G5/0517 ,  G03G5/0596 ,  G03G5/0614 ,  G03G5/0666 ,  G03G5/0672 ,  G03G5/0696

摘要： An electrophotographic photoconductor where generation of cracks, crystallization of a photosensitive layer, and the like occur infrequently by sticking of finger oil. An electrophotographic photoconductor includes a conductive substrate on which a photosensitive layer containing at least a chargegenerating agent, a hole transfer agent and a binding resin is provided, wherein the binding resin is comprised of a plurality of polycarbonate resins; and the photosensitive layer contains a biphenyl derivative as a plasticizer component represented by the following general formula (1). (wherein R1 to R10 each independently represent a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms, and R represents a substituted or unsubstituted aryl group having 1 to 12 carbon atoms or a substituted or unsubstituted alkylene group having 1 to 12 carbon atoms).

摘要翻译： 电子照相感光体通过粘结手指油很少发生裂纹，感光层结晶等。 电子照相感光体包括导电性基材，在该导电性基材上设置含有至少一种电荷产生剂，空穴转移剂和粘合树脂的感光层，其中粘合树脂由多种聚碳酸酯树脂构成; 感光层含有由以下通式（1）表示的增塑剂成分的联苯衍生物。 （其中R 1至R 10各自独立地表示具有1至12个碳原子的取代或未取代的烷基，R表示取代或未取代的具有1至12个的芳基 碳原子或取代或未取代的碳原子数1〜12的亚烷基）。

公开(公告)号：US07057034B2

公开(公告)日：2006-06-06

申请号：US10648719

申请日：2003-08-27

申请人： Kazunari Hamasaki ,  Daisuke Kuboshima ,  Hisakazu Honma ,  Jun Azuma ,  Eiichi Miyamoto

发明人： Kazunari Hamasaki ,  Daisuke Kuboshima ,  Hisakazu Honma ,  Jun Azuma ,  Eiichi Miyamoto

IPC分类号： C07D487/22

CPC分类号： C09B47/045 ,  C09B67/0026

摘要： The present invention relates to a novel titanyl phthalocyanine crystal which can prepare a coating solution having excellent storage stability because it satisfies both of the following two characteristics (a) and (b), a method of producing the same, an electrophotosensitive material using the above crystal as an electric charge generating material. (a) The crystal has a maximum peak at a Bragg angle 2θ±0.2°=27.2° and has no peak at 7.4° in a CuKα characteristic X-ray diffraction spectrum. (b) The crystal does not have a peak of a change in temperature within a range from 50 to 400° C. except for a peak associated with evaporation of adsorbed water in differential scanning calorimetry.

摘要翻译： 本发明涉及一种新的钛酞菁结晶，其可以制备具有优异的储存稳定性的涂布溶液，因为它满足以下两个特征（a）和（b），其制备方法，使用上述的电光敏材料 晶体作为电荷产生材料。 （a）晶体在布拉格角2θ±0.2°= 27.2°处具有最大峰值，并且在CuKalpha特征X射线衍射光谱中在7.4°没有峰值。 （b）在差示扫描量热法中，与吸附水的蒸发相关的峰除外，晶体的温度变化的峰值在50〜400℃的范围内。

公开(公告)号：US07029811B2

公开(公告)日：2006-04-18

申请号：US10248229

申请日：2002-12-30

申请人： Jun Azuma ,  Eiichi Miyamoto

发明人： Jun Azuma ,  Eiichi Miyamoto

IPC分类号： G03G5/10

CPC分类号： G03G5/0542 ,  G03G5/0528 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0571 ,  G03G5/105

摘要： An electrophotographic photoreceptor is disclosed which includes a conductive resin substrate and a resin layer. The resin layer includes a binding resin and is formed on the conductive resin substrate. The difference between the solubility parameter of the conductive resin substrate and the solubility parameter of the resin layer of the photoreceptor is 2.5 (J/cm3)1/2 or less.

摘要翻译： 公开了一种电子照相感光体，其包括导电树脂基板和树脂层。 树脂层包括粘合树脂，并且形成在导电树脂基板上。 导电性树脂基板的溶解度参数与感光体的树脂层的溶解度参数之差为2.5（J / cm 3以下）1/2以下。

公开(公告)号：US06593047B2

公开(公告)日：2003-07-15

申请号：US09942654

申请日：2001-08-31

申请人： Jun Azuma ,  Yukimasa Watanabe ,  Hisakazu Honma ,  Ayako Yashima ,  Maki Uchida ,  Kyoichi Nakamura

发明人： Jun Azuma ,  Yukimasa Watanabe ,  Hisakazu Honma ,  Ayako Yashima ,  Maki Uchida ,  Kyoichi Nakamura

IPC分类号： G03G505

CPC分类号： G03G5/0564 ,  G03G5/0578 ,  G03G5/0609 ,  G03G5/0614 ,  G03G5/0616

摘要： A single-layer type electrophotosensitive material comprising a conductive substrate and a photosensitive layer made of a binder resin containing at least an electric charge generating material and a hole transferring material and an electron transferring material as an electric charge transferring material, which is formed on the conductive substrate, characterized in that the binder resin contains a polycarbonate resin having a repeating structural unit represented by the general formula [1] and the solid content of the hole transferring material and the electron transferring material is not less than 30% by weight and not more than 50% by weight relative to the entire solid content, exhibits good wear resistance with respect to the photosensitive layer and is also superior in durability.

公开(公告)号：US5900961A

公开(公告)日：1999-05-04

申请号：US500766

申请日：1995-08-07

申请人： Hideyuki Miyamoto ,  Jun Azuma

发明人： Hideyuki Miyamoto ,  Jun Azuma

IPC分类号： B41J2/47 ,  G02B26/12 ,  G02B26/08

CPC分类号： G02B26/121 ,  B41J2/471

摘要： Scanning optical device is provided with a light source unit, a deflector for deflecting light beam from the light source, a deflector driving circuit for driving the deflector and an optical housing for accommodating the deflector and the deflector driving circuit. The device is further provided with a cover for closing the optical housing. The cover is provided with an opening through which the deflector driving circuit is exposed to the external air. The hole in the cover is constituted by a tubular partition wall integrally formed with the cover.

摘要翻译： 扫描光学装置设置有光源单元，用于偏转来自光源的光束的偏转器，用于驱动偏转器的偏转器驱动电路和用于容纳偏转器和偏转器驱动电路的光学壳体。 该装置还设置有用于封闭光学壳体的盖。 盖设有一个开口，偏转器驱动电路通过该开口暴露于外部空气。 盖中的孔由与盖一体形成的管状分隔壁构成。

公开(公告)号：US5621451A

公开(公告)日：1997-04-15

申请号：US988913

申请日：1993-03-11

申请人： Yoshinori Sugiura ,  Noriyoshi Ishikawa ,  Takeshi Setoriyama ,  Chitose Tenpaku ,  Tatsuo Hamada ,  Yoshiro Tsuchiya ,  Takeshi Kubota ,  Ken Murooka ,  Takeshi Niimura ,  Nobukazu Adachi ,  Akira Kuroda ,  Takeshi Sugita ,  Akira Yuza ,  Jun Azuma

发明人： Yoshinori Sugiura ,  Noriyoshi Ishikawa ,  Takeshi Setoriyama ,  Chitose Tenpaku ,  Tatsuo Hamada ,  Yoshiro Tsuchiya ,  Takeshi Kubota ,  Ken Murooka ,  Takeshi Niimura ,  Nobukazu Adachi ,  Akira Kuroda ,  Takeshi Sugita ,  Akira Yuza ,  Jun Azuma

IPC分类号： B41J2/44 ,  B41J2/47 ,  B41J13/00 ,  G03G15/00 ,  G03G15/16 ,  G03G15/20 ,  G03G15/32 ,  H04N1/00 ,  H04N1/113 ,  H04N1/23

CPC分类号： G03G15/04072 ,  B41J13/00 ,  B41J2/442 ,  B41J2/471 ,  G03G15/326 ,  G03G15/6529 ,  G03G21/1623 ,  H04N1/1135 ,  G03G2221/183

摘要： An image forming apparatus for performing a recording operation with respect to a recording medium, includes an image forming device for forming an image on a recording medium, a recording medium receiver for receiving the recording medium on which the image is formed, and a laser beam emitter, arranged below the recording medium receiver, for emitting a laser beam in accordance with image information so as to cause the image forming device to form an image. The laser beam emitter is arranged below the recording medium receiver to emit a laser beam obliquely upward.

摘要翻译： PCT No.PCT / JP93 / 00054 Sec。 371日期1993年3月11日 102（e）1993年3月11日PCT 1993年1月18日PCT PCT。 出版物WO94 / 15792 日期1994年7月21日一种用于对记录介质执行记录操作的图像形成装置包括用于在记录介质上形成图像的图像形成装置，用于接收其上形成图像的记录介质的记录介质接收器 以及布置在记录介质接收器下方的激光束发射器，用于根据图像信息发射激光束，以使图像形成装置形成图像。 激光束发射器布置在记录介质接收器下方以向上倾斜地发射激光束。