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公开(公告)号：US08642236B2
公开(公告)日：2014-02-04
申请号：US12021392
申请日：2008-01-29
IPC分类号： G03G15/00
CPC分类号： G03G5/0592 , G03G5/0564 , G03G5/0596 , G03G15/751 , G03G2215/00957
摘要： Provided are an electrophotographic photoconductor which shows a small variation in sensitivity and exhibits a high sensitivity even at a small amount of light exposure and a tandem-system color image forming device provided with the electrophotographic photoconductor. A positive charging type electrophotographic photoconductor for use in a tandem-system color image forming device including a drum type electrophotographic photoconductor, a rotation speed of which is (70) rpm or more, and a color image forming device provided with the electrophotographic photoconductor, wherein, when Vb (V) denotes a sensitivity in the case where an amount of light exposure per unit area is 0.6 μJ/cm2 and Va (V) denotes a sensitivity in the case where an amount of light exposure per unit area is 1.5 μJ/cm2, a sensitivity ratio represented by Vb/Va is adjusted to a value of below (2).
摘要翻译： 提供了一种电子照相感光体，其具有小的灵敏度变化并且即使在少量曝光下也显示出高灵敏度，并且具有电子照相感光体的串联系统彩色图像形成装置。 一种用于串联系统彩色图像形成装置的正电荷型电子照相感光体，其包括旋转速度为（70rpm或更高）的滚筒式电子照相感光体和设置有电子照相感光体的彩色图像形成装置，其中 当Vb（V）表示在每单位面积的曝光量为0.6μmJ/ cm 2的情况下的灵敏度，Va（V）表示在每单位面积的曝光量为1.5μmJ/ cm 2的情况下的灵敏度， cm2，将由Vb / Va表示的灵敏度比调节至低于（2）的值。
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公开(公告)号：US20080187847A1
公开(公告)日：2008-08-07
申请号：US12021392
申请日：2008-01-29
CPC分类号： G03G5/0592 , G03G5/0564 , G03G5/0596 , G03G15/751 , G03G2215/00957
摘要： Provided are an electrophotographic photoconductor which shows a small variation in sensitivity and exhibits a high sensitivity even at a small amount of light exposure and a tandem-system color image forming device provided with the electrophotographic photoconductor. A positive charging type electrophotographic photoconductor for use in a tandem-system color image forming device including a drum type electrophotographic photoconductor, a rotation speed of which is (70) rpm or more, and a color image forming device provided with the electrophotographic photoconductor, wherein, when Vb (V) denotes a sensitivity in the case where an amount of light exposure per unit area is 0.6 μJ/cm2 and Va (V) denotes a sensitivity in the case where an amount of light exposure per unit area is 1.5 μJ/cm2, a sensitivity ratio represented by Vb/Va is adjusted to a value of below (2).
摘要翻译： 提供了一种电子照相感光体，其具有小的灵敏度变化并且即使在少量曝光下也显示出高灵敏度，并且具有电子照相感光体的串联系统彩色图像形成装置。 一种用于串联系统彩色图像形成装置的正电荷型电子照相感光体，其包括旋转速度为（70rpm或更高）的滚筒式电子照相感光体和设置有电子照相感光体的彩色图像形成装置，其中 当Vb（V）表示每单位面积的曝光量为0.6μJ/ cm 2时的灵敏度，Va（V）表示在光量的情况下的灵敏度 单位面积的曝光量为1.5μJ/ cm 2，由Vb / Va表示的灵敏度比调整为低于（2）的值。
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3.发明授权公开(公告)号：US06528645B1
公开(公告)日：2003-03-04
申请号：US09672021
申请日：2000-09-29
申请人： Kazunari Hamasaki , Yukimasa Watanabe , Hirofumi Kawaguchi , Mitsuo Ihara , Susumu Hiroshima , Daisuke Kuboshima
发明人： Kazunari Hamasaki , Yukimasa Watanabe , Hirofumi Kawaguchi , Mitsuo Ihara , Susumu Hiroshima , Daisuke Kuboshima
IPC分类号： C07D48722
CPC分类号： C09B67/0026 , C09B67/0022 , G03G5/0696
摘要： The present invention relates to a titanyl phthalocyanine crystal having excellent storage stability of coating solution, to satisfy that (a) the crystal does not have a peak of a change in temperature except for a peak associated with evaporation of adsorbed water in differential scanning calorimetry or that (b) the crystal recovered after dipping in an organic solvent for 24 hours at least a maximum peak at a Bragg angle 2&thgr;±0.2°=27.2° and has no peak at 26.2° in a CuK &agr; characteristic X-ray diffraction spectrum, and a method of producing the same; and an electrophotosensitive material using the above crystal, and a method of producing the same.
摘要翻译： 本发明涉及具有优异的涂布溶液保存稳定性的氧钛酞菁结晶，以满足以下条件：（a）晶体除差示扫描量热法中吸附水的蒸发相关峰值以外，不具有温度变化的峰值，或 （b）在有机溶剂中浸渍24小时后晶体在布拉格角2θ±0.2°= 27.2°处至少最大峰处回收，并且在CuKα特征X射线衍射光谱中在26.2°处没有峰， 及其制造方法。 和使用上述晶体的电光敏材料及其制造方法。
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公开(公告)号：US20080187368A1
公开(公告)日：2008-08-07
申请号：US12024179
申请日：2008-02-01
IPC分类号： G03G15/08
CPC分类号： G03G15/751
摘要： A drum unit (20) for forming a toner image includes a cylindrical-shaped metal tubular member (31), a flange member (40) attached to one end of the metal tubular member (31) and a ground plate (50) attached to the flange member (40) and having an outer peripheral edge formed with a connection claw (52) that is so bent by the inner peripheral surface of the metal tubular member (31) as to bite into the inner peripheral surface for establishment of electrical conduction between the metal tubular member (31) and the ground plate (50). The flange member (40) has an edge, and the bending of the connection claw is carried out about a support point (412) defined by the edge. A calculational bending angle (θ) at which the connection claw (52) is bent about the support point (412) is set in the range of 10 to 45 degrees.
摘要翻译： 用于形成调色剂图像的鼓单元（20）包括圆柱形金属管状构件（31），附接到金属管状构件（31）的一端的凸缘构件（40）和接地板（50） 所述凸缘构件（40）具有形成有由所述金属管状构件（31）的内周面弯曲的连接爪（52）的外周缘，以咬入内周面，以形成导电 在金属管状构件（31）和接地板（50）之间。 凸缘构件（40）具有边缘，并且连接爪的弯曲围绕由边缘限定的支撑点（412）进行。 连接爪（52）围绕支撑点（412）弯曲的计算弯曲角度（θ）设定在10至45度的范围内。
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5.发明授权Phthalocyanine crystal and its production, and electrophotosensitive material using the same 有权酞菁结晶及其制备，以及使用其的光电材料公开(公告)号：US06391505B1
公开(公告)日：2002-05-21
申请号：US09627001
申请日：2000-07-27
IPC分类号： G03G506
CPC分类号： G03G5/0609 , G03G5/0605 , G03G5/0629 , G03G5/0651 , G03G5/0696
摘要： Disclosed are a phthalocyanine crystal in which an organic acceptor compound is associated with a phthalocyanine molecule, wherein said organic acceptor compound has a reduction potential to a reference electrode (Ag+/Ag) is not less than −1.5 V and not more than −0.5 V, and an electrophotosensitive material containing said phthalocyanine crystal as an electric charge generating material, which exhibits sufficient photosensitivity even in high-speed image forming apparatuses.
摘要翻译： 公开了其中有机受体化合物与酞菁分子缔合的酞菁晶体，其中所述有机受体化合物对参比电极具有还原电位（Ag + / Ag）不小于-1.5V且不大于-0.5V 和含有作为电荷产生材料的所述酞菁晶体的电光敏材料，即使在高速图像形成装置中也显示出足够的光敏性。
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公开(公告)号：US06879794B2
公开(公告)日：2005-04-12
申请号：US10074021
申请日：2002-02-14
申请人： Jun Azuma , Ayako Yashima , Yukimasa Watanabe , Keisuke Oba , Masashi Fujishima , Takashi Nagashima
发明人： Jun Azuma , Ayako Yashima , Yukimasa Watanabe , Keisuke Oba , Masashi Fujishima , Takashi Nagashima
CPC分类号： G03G21/0011 , G03G5/0564 , G03G5/0578
摘要： Disclosed are image forming apparatus [1] which comprises removing a toner remained on the surface of the rotatable image carrier by cleaning means after going through developing means and transferring means; said cleaning means has an elastic blade and is contacted with the surface of the image carrier at a contact pressure within 8 to 20 g/cm, and a press-contact angle of the elastic blade of 12 to 30°; and said image carrier is an organic photosensitive material having a photosensitive layer made of a binder resin containing an electric charge generating material and an electric charge transferring material; and image forming apparatus [2], comprising a single-layer type photosensitive layer made of a binder resin containing an electric charge generating material, an electron transferring material and a hole transferring material, and the solid content of the binder resin is within 50 to 70 wt % of the whole solid content in the photosensitive layer and, a pair of paper transporting rollers are arranged on a path for transporting a transfer paper from paper feeding portion to transferring means, and a paper transporting roller at the side of the surface to be transferred among a pair of paper transporting rollers has cleaning means at the side of the surface to be transferred from the roller.
摘要翻译： 公开了一种图像形成装置[1]，其包括在经过显影装置和转印装置之后通过清洁装置去除可旋转图像载体的表面上残留的调色剂; 所述清洁装置具有弹性叶片，并且以8至20g / cm 2的接触压力和12至30°的弹性片的压接面角度与图像载体的表面接触; 并且所述图像载体是具有由含有电荷产生材料和电荷转移材料的粘合剂树脂制成的感光层的有机感光材料; 和图像形成装置[2]，包括由包含电荷产生材料的粘合剂树脂，电子转移材料和空穴转移材料制成的单层型感光层，并且粘合剂树脂的固体含量在50〜 感光层中的全部固体成分的70重量％，以及一对纸张传送辊布置在用于将转印纸从供纸部分传送到传送装置的路径上，以及在表面侧的纸张传送辊 在一对纸张传送辊之间传送具有在要从辊传送的表面侧面的清洁装置。
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公开(公告)号：US06461779B1
公开(公告)日：2002-10-08
申请号：US09819683
申请日：2001-03-29
IPC分类号： G03G1500
CPC分类号： G03G5/0567 , G03G5/0564
摘要： Disclosed is a single-layer type electrophotosensitive material which comprises a conductive substrate, and a photosensitive layer made of a binder resin containing at least an electric charge generating material and an electric charge transferring material formed on said conductive substrate, wherein said photosensitive layer contains a polyalkylene glycol compound represented by the formula [1]: A1—O—[(CH2)m—O]n—A2 wherein A1 and A2 are the same or different and represent an alkyl or aryl group having 1 to 50 carbon atoms, or a group: —CO—R10 (R10 represents an alkyl or aryl group having 1 to 50 carbon atoms), m represents an integer of 1 to 5, and n represents an integer of 2 to 100, which is superior in wear resistance, sensitivity and gas resistance.
摘要翻译： 公开了一种单层型电光敏材料，其包括导电基材和由至少含有电荷产生材料和形成在所述导电基材上的电荷转移材料的粘合剂树脂制成的感光层，其中所述感光层包含 由式[1]表示的聚亚烷基二醇化合物：其中A1和A2相同或不同，表示碳原子数为1〜50的烷基或芳基，或-CO-R10（R10表示烷基或芳基） 具有1至50个碳原子），m表示1至5的整数，n表示2至100的整数，其耐磨性，灵敏度和耐气体性优异。
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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.
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9.发明授权Stilbene derivative and method of producing the same, and electrophotosensitive material 有权二苯乙烯衍生物及其制备方法和电光敏材料公开(公告)号：US06177220B1
公开(公告)日：2001-01-23
申请号：US09422099
申请日：1999-10-20
IPC分类号： C07C21100
CPC分类号： G03G5/0672 , C07C211/54 , C07C217/92
摘要： Disclosed are a stilbene derivative having the general formula (1) and a production thereof, and the electrophotosensitive material comprises a conductive substrate and a photosensitive layer provided on the conductive substrate, wherein the photosensitive layer contains a stilbene derivative (1): wherein R1 and R3 represent an alkyl group which may have a substituent, an alkoxy group which may have a substituent or the like, and R2 and R4 represent a hydrogen atom, an alkyl group which may have a substituent or the like.
摘要翻译： 公开了具有通式（1）的1,2-二苯乙烯衍生物及其制备方法，并且电光敏材料包括导电基材和设置在导电基材上的感光层，其中感光层含有二苯乙烯衍生物（1）：其中R1和 R3表示可以具有取代基的烷基，可以具有取代基的烷氧基等，R2和R4表示氢原子，可以具有取代基的烷基等。
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10.发明授权Tryptoanthrinimine derivative and electrophotosensitive material using the same 失效色氨酸亚胺衍生物和使用其的电光敏材料
公开(公告)号：US5773613A
公开(公告)日：1998-06-30
申请号：US563545
申请日：1995-11-28
申请人： Hirofumi Kawaguchi , Nobuko Akiba , Yukimasa Watanabe , Hiroaki Iwasaki , Yasuyuki Hanatani , Yasufumi Mizuta , Fumio Sugai , Sakae Saito , Syunichi Matsumoto , Toshiyuki Fukami , Ichiro Yamazato , Hisakazu Uegaito , Yuji Tanaka
发明人： Hirofumi Kawaguchi , Nobuko Akiba , Yukimasa Watanabe , Hiroaki Iwasaki , Yasuyuki Hanatani , Yasufumi Mizuta , Fumio Sugai , Sakae Saito , Syunichi Matsumoto , Toshiyuki Fukami , Ichiro Yamazato , Hisakazu Uegaito , Yuji Tanaka
IPC分类号： G03G5/06 , C07D487/02
CPC分类号： G03G5/0642 , G03G5/0614
摘要： The present invention provides a tryptoanthrinimine derivative represented by the general formula (Y): ##STR1## wherein R.sup.A to R.sup.M are as defined. Such a derivative of the general formula (Y) is superior in electron transferring capability. Accordingly, an electrophotosensitive material comprising a photosensitive layer containing this derivative (Y) is superior in sensitivity.
摘要翻译： 本发明提供由通式（Y）表示的色氨酰亚胺衍生物：其中RA与RM的定义相同。 这种通式（Y）的衍生物在电子转移能力上是优异的。 因此，包含含有该衍生物（Y）的感光层的电光敏材料的灵敏度优异。
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