公开(公告)号：US07727693B2

公开(公告)日：2010-06-01

申请号：US10554099

申请日：2004-04-16

申请人： Kazuya Ishida ,  Akihiro Kondoh ,  Takatsugu Obata

发明人： Kazuya Ishida ,  Akihiro Kondoh ,  Takatsugu Obata

IPC分类号： G03G5/06

CPC分类号： G03G5/0616 ,  G03G5/0696 ,  G03G2215/00957

摘要： An object of the invention is to provide an electrophotographic photoreceptor showing high responsivity even under a low temperature and low humidity circumstance and capable of compatibilize the decrease of the size and the increase in the image forming speed of an electrophotographic apparatus. In a photosensitive layer of an electrophotographic photoreceptor, oxotitanium phthalocyanine having a crystal form showing a diffraction peak at a Bragg angle 2θ (error: 2θ±0.2°) of 27.2° in an X-ray diffraction spectrum is contained as a charge generating substance, and an enamine compound represented by the general formula for example, the structural formula (1-1) is contained as a charge transporting substance. Accordingly, the electrophotographic photoreceptor showing high responsivity even under a low temperature and low humidity circumstance is realized.

摘要翻译： 本发明的目的是提供即使在低温和低湿度环境下也显示出高反应性的电子照相感光体，并且能够使电子照相设备的图像形成速度降低和增加。 在电子照相感光体的感光层中，具有在布拉格角2°时具有衍射峰的晶体形状的氧钛酞菁; 含有X射线衍射光谱中的27.2°的误差（误差：2θ=±0.2°）作为电荷产生物质，作为结构式（1-1）所示的通式例示的烯胺化合物，以 电荷输送物质。 因此，即使在低温低湿环境下也能实现高反应性的电子照相感光体。

公开(公告)号：US07175956B2

公开(公告)日：2007-02-13

申请号：US10653293

申请日：2003-09-03

申请人： Takatsugu Obata ,  Akihiro Kondoh ,  Kazuya Ishida

发明人： Takatsugu Obata ,  Akihiro Kondoh ,  Kazuya Ishida

IPC分类号： G03G15/02

CPC分类号： G03G5/04 ,  G03G5/047 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0672 ,  G03G5/0696

摘要： The invention is to provide an organic photoconductive material capable of realizing electrophotographic photoreceptors of high reliability that have high charge potential, high sensitivity, good responsiveness to light and good durability, of which the characteristics do not lower even when they are driven at low temperatures or at high speed and even when they are exposed to light, and to provide an electrophotographic photoreceptor that comprises the material and an image-forming apparatus. An organic photoconductive material of the following general formula (1), for example, an enamine compound of the following structural formula (1-1) is produced. Using the organic photoconductive material for the charge-transporting substance to be in a photosensitive layer on a conductive support, an electrophotographic photoreceptor is fabricated, and this is mounted on an image-forming apparatus

摘要翻译： 本发明提供能够实现具有高电荷电位，高灵敏度，对光的良好响应性和良好的耐久性的高可靠性的电子照相感光体的有机光电导材料，其特性即使在低温下被驱动也不降低， 并且即使当它们暴露于光时，并且提供包括该材料的电子照相感光体和图像形成装置。 制备下列通式（1）的有机光电导材料，例如下列结构式（1-1）的烯胺化合物。 将电荷输送物质的有机光电导材料作为导电性载体上的感光层，制作电子照相感光体，将其安装在图像形成装置

公开(公告)号：US20060210895A1

公开(公告)日：2006-09-21

申请号：US10559187

申请日：2004-05-31

申请人： Takatsugu Obata ,  Akihiro Kondoh ,  Kazuya Ishida

发明人： Takatsugu Obata ,  Akihiro Kondoh ,  Kazuya Ishida

IPC分类号： G03G5/047

CPC分类号： G03G5/0666 ,  C07C39/06 ,  G03G5/0614

摘要： An object of the invention is to provide a highly reliable electrophotographic photoreceptor having high sensitivity, excellent in light responsivity, not suffering from lowering of such characteristics even when it is used under a low temperature circumstance or in a high speed electrophotographic process, and with less fatigue degradation upon repetitive use. In a photosensitive layer of an electrophotoreceptor, an enamine compound represented by the following general formula (1), for example, the following structural formula is contained as a charge transporting substance, and further at least one of an antioxidant and a light stabilizer is contained. Accordingly, an electrophotographic photoreceptor excellent in sensitivity and light responsivity in various environments, and with less fatigue degradation upon repetitive use is realized.

摘要翻译： 本发明的目的是提供一种具有高灵敏度，优异的光响应性的高度可靠的电子照相感光体，即使在低温环境或高速电子照相方法中使用也不会降低这些特性，并且具有较少的 重复使用时的疲劳退化。 在电子感受器的感光层中，含有下列通式（1）表示的烯胺化合物，例如以下结构式作为电荷输送物质，还含有抗氧化剂和光稳定剂中的至少一种 。 因此，实现了在各种环境下灵敏度和光响应性优异并且在重复使用时疲劳降低较少的电子照相感光体。

公开(公告)号：US07534539B2

公开(公告)日：2009-05-19

申请号：US10559187

申请日：2004-05-31

申请人： Takatsugu Obata ,  Akihiro Kondoh ,  Kazuya Ishida

发明人： Takatsugu Obata ,  Akihiro Kondoh ,  Kazuya Ishida

IPC分类号： G03G5/047

CPC分类号： G03G5/0666 ,  C07C39/06 ,  G03G5/0614

摘要： An object of the invention is to provide a highly reliable electrophotographic photoreceptor having high sensitivity, excellent in light responsivity, not suffering from lowering of such characteristics even when it is used under a low temperature circumstance or in a high speed electrophotographic process, and with less fatigue degradation upon repetitive use. In a photosensitive layer of an electrophotoreceptor, an enamine compound represented by the following general formula (1), for example, the following structural formula is contained as a charge transporting substance, and further at least one of an antioxidant and a light stabilizer is contained. Accordingly, an electrophotographic photoreceptor excellent in sensitivity and light responsivity in various environments, and with less fatigue degradation upon repetitive use is realized.

摘要翻译： 本发明的目的是提供一种具有高灵敏度，优异的光响应性的高度可靠的电子照相感光体，即使在低温环境或高速电子照相方法中使用也不会降低这些特性，并且具有较少的 重复使用时的疲劳退化。 在电子感受器的感光层中，含有下列通式（1）表示的烯胺化合物，例如以下结构式作为电荷输送物质，还含有抗氧化剂和光稳定剂中的至少一种 。 因此，实现了在各种环境下灵敏度和光响应性优异并且在重复使用时疲劳降低较少的电子照相感光体。

公开(公告)号：US20060222979A1

公开(公告)日：2006-10-05

申请号：US10554099

申请日：2004-04-16

申请人： Kazuya Ishida ,  Akihiro Kondoh ,  Takatsugu Obata

发明人： Kazuya Ishida ,  Akihiro Kondoh ,  Takatsugu Obata

IPC分类号： G03G5/06 ,  G03G5/047

CPC分类号： G03G5/0616 ,  G03G5/0696 ,  G03G2215/00957

摘要： An object of the invention is to provide an electrophotographic photoreceptor showing high responsivity even under a low temperature and low humidity circumstance and capable of compatibilize the decrease of the size and the increase in the image forming speed of an electrophotographic apparatus. In a photosensitive layer of an electrophotographic photoreceptor, oxotitanium phthalocyanine having a crystal form showing a diffraction peak at a Bragg angle 2θ(error: 2θ±0.2°) of 27.2° in an X-ray diffraction spectrum is contained as a charge generating substance, and an enamine compound represented by the general formula for example, the structural formula (1-1) is contained as a charge transporting substance. Accordingly, the electrophotographic photoreceptor showing high responsivity even under a low temperature and low humidity circumstance is realized.

摘要翻译： 本发明的目的是提供即使在低温和低湿度环境下也显示出高反应性的电子照相感光体，并且能够使电子照相设备的图像形成速度降低和增加。 在电子照相感光体的感光层中，作为电荷产生物质含有具有在X射线衍射光谱中的布拉格角2θ（误差：2θ±0.2°）为27.2°的衍射峰的结晶形态的氧钛酞菁， 和由通式表示的烯胺化合物作为电荷输送物质包含结构式（1-1）。 因此，即使在低温低湿环境下也能实现高反应性的电子照相感光体。

公开(公告)号：US07416824B2

公开(公告)日：2008-08-26

申请号：US10556403

申请日：2004-05-10

申请人： Akihiro Kondoh ,  Takatsugu Obata ,  Kazuya Ishida

发明人： Akihiro Kondoh ,  Takatsugu Obata ,  Kazuya Ishida

IPC分类号： G03G5/047

CPC分类号： C07D311/58 ,  C07C211/58 ,  C07C211/61 ,  C07C2603/24 ,  C07D207/34 ,  C07D209/86 ,  C07D209/88 ,  C07D219/02 ,  C07D233/88 ,  C07D263/58 ,  C07D277/64 ,  C07D307/52 ,  C07D307/66 ,  C07D307/82 ,  C07D333/20 ,  C07D333/36 ,  C07D335/20 ,  G03G5/0612 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0666

摘要： According to the present invention, an enamine compound having a specific structure is used as an organic photoconductive material. This enamine compound is obtained based on asymmetrical secondary naphtylamine which is readily available at a lowest price, by introducing phenyl groups containing substituents, as constituents units of the enamine part and presents excellent compatibility with binder resins, will not present detrimental effects such as partial crystallization at film forming and have a high charge mobility. The compound is able to realize highly reliable electrophotographic photoreceptor and an image forming apparatus which present a high electrostatic potential, high sensitivity and high enough light response and are excellent in durability and will not degrade in these characteristics under a low-temperature environment or in a high-speed process and will not lower in these characteristics even due to exposure to light.

摘要翻译： 根据本发明，使用具有特定结构的烯胺化合物作为有机光电导材料。 该烯胺化合物基于不对称的次级苯胺获得，其可通过引入含有取代基的苯基作为烯胺部分的组分单元并且与粘合剂树脂具有优异的相容性而以最低价格容易获得，不会产生有害影响，例如部分结晶 成膜时具有高的电荷迁移率。 该化合物能够实现高可靠性的电子照相感光体和图像形成装置，其具有高静电电位，高灵敏度和足够高的光响应，并且在低温环境或低温环境下的耐久性优异且不会劣化这些特性 高速处理，即使由于曝光也不会降低这些特性。

公开(公告)号：US20060204871A1

公开(公告)日：2006-09-14

申请号：US10556403

申请日：2004-05-10

申请人： Akihiro Kondoh ,  Takatsugu Obata ,  Kazuya Ishida

发明人： Akihiro Kondoh ,  Takatsugu Obata ,  Kazuya Ishida

IPC分类号： G03G5/047

CPC分类号： C07D311/58 ,  C07C211/58 ,  C07C211/61 ,  C07C2603/24 ,  C07D207/34 ,  C07D209/86 ,  C07D209/88 ,  C07D219/02 ,  C07D233/88 ,  C07D263/58 ,  C07D277/64 ,  C07D307/52 ,  C07D307/66 ,  C07D307/82 ,  C07D333/20 ,  C07D333/36 ,  C07D335/20 ,  G03G5/0612 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0666

摘要： According to the present invention, an enamine compound having a specific structure is used as an organic photoconductive material. This enamine compound is obtained based on asymmetrical secondary naphtylamine which is readily available at a lowest price, by introducing phenyl groups containing substituents, as constituents units of the enamine part and presents excellent compatibility with binder resins, will not present detrimental effects such as partial crystallization at film forming and have a high charge mobility. The compound is able to realize highly reliable electrophotographic photoreceptor and an image forming apparatus which present a high electrostatic potential, high sensitivity and high enough light response and are excellent in durability and will not degrade in these characteristics under a low-temperature environment or in a high-speed process and will not lower in these characteristics even due to exposure to light.

摘要翻译： 根据本发明，使用具有特定结构的烯胺化合物作为有机光电导材料。 该烯胺化合物基于不对称的次级苯胺获得，其可通过引入含有取代基的苯基作为烯胺部分的组分单元并且与粘合剂树脂具有优异的相容性而以最低的价格容易获得，不会产生有害影响，例如部分结晶 成膜时具有高的电荷迁移率。 该化合物能够实现高可靠性的电子照相感光体和图像形成装置，其具有高静电电位，高灵敏度和足够高的光响应，并且在低温环境或低温环境下的耐久性优异且不会劣化这些特性 高速处理，即使由于曝光也不会降低这些特性。

公开(公告)号：US07560217B2

公开(公告)日：2009-07-14

申请号：US11296251

申请日：2005-12-08

申请人： Takatsugu Obata ,  Akihiro Kondoh ,  Junichi Washo

发明人： Takatsugu Obata ,  Akihiro Kondoh ,  Junichi Washo

IPC分类号： G03G5/00 ,  B05D3/02

CPC分类号： G03G5/0525 ,  B05D1/002 ,  B05D3/0254 ,  B05D3/0413 ,  G03G5/051

摘要： A method of forming an electrophotographic photoreceptor capable of forming a smooth coating film free of pinholes, bubbles, surface unevenness, etc. in a short time as a coating film for forming a photosensitive layer is provided. The method includes heating and drying a coating film formed by coating a coating solution containing ingredients of the photosensitive layer and a solvent medium containing 30% by weight or more of a solvent having a relative evaporation rate of less than 1.7 represented by the following formula (1) in an air stream at a temperature of 50° C. or higher and 130° C. or lower supplied from a blowing nozzle, by a far infrared ray heating method and an induction heating method, by using, for example, a drying apparatus, thereby manufacturing the electrophotographic photoreceptor: (relative evaporation rate)=(time for evaporating n-butyl acetate)/(time for evaporating solvent)  (1).

摘要翻译： 提供一种形成电子照相感光体的方法，该电子照相感光体能够在短时间内形成没有针孔，气泡，表面不均匀等的光滑涂膜，作为形成感光层的涂膜。 该方法包括加热和干燥通过涂布含有感光层成分的涂布溶液和含有30重量％以上的相对蒸发速率小于1.7的溶剂的溶剂介质形成的涂膜（由下式表示的（ 1）在通过远红外线加热法和感应加热法从吹制喷嘴供给的温度为50℃以上且130℃以下的空气流中，通过使用例如干燥 装置，从而制造电子照相感光体：<？in-line-formula description =“In-line formula”end =“lead”？>（相对蒸发速率）=（蒸发乙酸正丁酯的时间）/（蒸发时间 溶剂）（1）。<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US20080286671A1

公开(公告)日：2008-11-20

申请号：US12081974

申请日：2008-04-24

申请人： Takatsugu Obata ,  Akihiro Kondoh

发明人： Takatsugu Obata ,  Akihiro Kondoh

IPC分类号： G03G15/02 ,  C07C211/00

CPC分类号： C07C211/28 ,  G03G5/047 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0696

摘要： An electrophotographic photoreceptor comprising laminating a monolayer type photosensitive layer containing a charge generation material and a charge transport material or a laminate type photosensitive layer obtained by laminating a charge generation layer containing a charge generation material and a charge transport layer containing a charge transport material in this order, on a conductive support, wherein the charge transport layer of the monolayer type photosensitive layer or laminate type photosensitive layer contains an enamine compound represented by the following formula (1).

摘要翻译： 一种电子照相感光体，包括层叠含有电荷产生材料和电荷输送材料的单层型感光层，或层叠含有电荷产生材料的电荷产生层和含有电荷输送材料的电荷输送层而获得的层叠型感光层 在导电性载体上，其中单层型感光层或层叠型光敏层的电荷传输层含有由下式（1）表示的烯胺化合物。

公开(公告)号：US20070281229A1

公开(公告)日：2007-12-06

申请号：US11806571

申请日：2007-06-01

申请人： Takatsugu Obata ,  Akihiro Kondoh

发明人： Takatsugu Obata ,  Akihiro Kondoh

IPC分类号： G03G5/047

CPC分类号： G03G5/0614 ,  G03G5/047 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0696

摘要： A charge transporting substance having three stilbene structures or butadiene structures in a molecule, represented by the following general formula is used as an organic photoconductive material. An electrophotographic photoconductor is prepared by causing a photosensitive layer which is disposed on a conductive support, to contain the organic photoconductive material in order to dispose the photoconductor to an image forming apparatus.

摘要翻译： 使用由以下通式表示的分子中具有三个芪结构或丁二烯结构的电荷输送物质作为有机光电导材料。 通过使布置在导电支撑体上的感光层含有有机光电导材料以将感光体设置在图像形成装置上来制备电子照相感光体。