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1.发明授权Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material 有权钛菁酞菁晶体及其制备方法相同，并具有电光敏材料公开(公告)号：US07057034B2
公开(公告)日：2006-06-06
申请号：US10648719
申请日：2003-08-27
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。
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公开(公告)号：US07101647B2
公开(公告)日：2006-09-05
申请号：US10667905
申请日：2003-09-23
IPC分类号： G03G5/06
CPC分类号： G03G5/0679 , G03G5/0675 , G03G5/0677 , G03G5/0696
摘要： The present invention provides an electrophotosensitive material which realizes uniform dispersion of phthalocyanines in a photosensitive layer and has high sensitivity to a digital light source, and also excellent in charge stability under the high temperature atmosphere, weatherability and NOx resistance. The electrophotosensitive material is produced by forming a single-layer type or multi-layer type photosensitive layer containing phthalocyanine as an electric charge generating material, an electric charge transferring material, a predetermined insoluble azo pigment and a predetermined binder resin on a conductive substrate and using, as the insoluble azo pigment, an insoluble azo pigment having no OH group in the molecule wherein (i) an absorbance in an absorption wavelength range of phthalocyanine is ⅓ or less of an absorbance of the phthalocyanine in the wavelength range, or (ii) an absorbance in a wavelength range of an exposure light source of an image forming apparatus is ⅓ or less of an absorbance of the phthalocyanine in the wavelength range.
摘要翻译： 本发明提供了一种电光敏材料，其实现了酞菁在感光层中的均匀分散，并且对数字光源具有高灵敏度，并且在高温气氛，耐气候性和耐NOx性下也具有优异的电荷稳定性。 通过在导电性基板上形成含有酞菁作为电荷产生材料，电荷转移材料，预定的不溶性偶氮颜料和预定粘合剂树脂的单层型或多层型感光层，并使用 作为不溶性偶氮颜料，在分子中不具有OH基的不溶性偶氮颜料，其中（i）酞菁的吸收波长范围内的吸光度为酞菁的波长范围的吸光度的1/3以下，或（ ii）图像形成装置的曝光光源的波长范围内的吸光度为酞菁在波长范围内的吸光度的1/3以下。
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公开(公告)号：US08679710B2
公开(公告)日：2014-03-25
申请号：US11317852
申请日：2005-12-22
申请人： Daisuke Kuboshima , Eiichi Miyamoto , Kazunari Hamasaki , Norio Nakai , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
发明人： Daisuke Kuboshima , Eiichi Miyamoto , Kazunari Hamasaki , Norio Nakai , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
CPC分类号： G03G5/0614 , G03G5/047 , G03G5/0564 , G03G5/0605 , G03G5/0616 , G03G5/0666 , G03G5/0668
摘要： The present invention provides an electrophotographic photoreceptor comprising a photosensitive layer that contains at least a charge generating agent, a hole transport agent and a prede mulas (A) and (B). The electrophotographic photoreceptor prevents image defect termined additive. The hole transport agent satisfies the following for from occurring and can meet the demand for higher speed image forming apparatuses, by reducing the adhesion of paper dust and preventing the occurrence of cracks. μ M 5.0 × 10 - 6 μ : Hole mobility ( cm 2 · V - 1 · second - 1 ) of hole transport agent in the electric field intensity of 3 × 10 5 ( V / cm ) M : Molecular weight of hole transport agent ( B )
摘要翻译： 本发明提供一种电子照相感光体，其包含至少含有电荷产生剂，空穴传输剂和前体（A）和（B）的光敏层。 电子照相感光体防止图像缺陷终止的添加剂。 空穴输送剂由于发生而满足以下要求，可以通过降低纸灰尘的粘附性和防止发生裂纹而满足对高速成像装置的需求。 μM <1.2×10 -8（A）μ> 5.0×10 -6表示ud孔：胡氏迁移率（cm 2·V -1·第二-1） 孔侯传输üüüéééééééééé3×10 5（V / cm） （B）
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公开(公告)号：US20060141377A1
公开(公告)日：2006-06-29
申请号：US11317852
申请日：2005-12-22
申请人： Daisuke Kuboshima , Eiichi Miyamoto , Kazunari Hamasaki , Norio Nakai , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
发明人： Daisuke Kuboshima , Eiichi Miyamoto , Kazunari Hamasaki , Norio Nakai , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
IPC分类号： G03G5/06
CPC分类号： G03G5/0614 , G03G5/047 , G03G5/0564 , G03G5/0605 , G03G5/0616 , G03G5/0666 , G03G5/0668
摘要： The present invention provides an electrophotographic photoreceptor comprising a photosensitive layer that contains at least a charge generating agent, a hole transport agent and a predetermined additive. The hole transport agent satisfies the following formulas (A) and (B). The electrophotographic photoreceptor prevents image defect from occurring and can meet the demand for higher speed image forming apparatuses, by reducing the adhesion of paper dust and preventing the occurrence of cracks. μ M 5.0 × 10 - 6 μ : Hole mobility ( cm 2 · V - 1 · second - 1 ) of hole transport agent in the electric field intensity of 3 × 10 5 ( V / cm ) M : Molecular weight of hole transport agent ( B )
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5.发明授权公开(公告)号：US07838191B2
公开(公告)日：2010-11-23
申请号：US11717274
申请日：2007-03-12
IPC分类号： G03G5/06
CPC分类号： G03G5/0696 , G03G5/056 , G03G5/0614 , G03G5/0618 , G03G5/0637
摘要： The present invention provides a monolayer type electrophotographic photoconductor which can effectively suppress the generation of an exposure memory and exhibits high sensitivity and an image forming apparatus using the monolayer type electrophotographic photoconductor. In an electrophotographic photoconductor which has a monolayer type photoconductive layer including at least a charge generating agent, a hole transfer agent, an electron transfer agent and a binding resin on a substrate, the charge generating agent contains oxo-titanyl phthalocyanine crystal, the electron transfer agent has a reduction potential thereof set to a value which falls within a range from −0.97 to −0.83 V, and the reflection absorbance (A/−) of the photoconductive layer with respect to light having a wavelength of 700 nm, a film thickness (d/m) of the photoconductive layer, and the concentration (C/weight %) of the oxo-titanyl phthalocyanine crystal of the photoconductive layer (100 weight %) satisfy a following formula (1). A·C−1·d−1>1.75×104 (1)
摘要翻译： 本发明提供了一种单层型电子照相感光体，其能够有效地抑制曝光记忆体的产生并显示出高灵敏度，以及使用单层型电子照相感光体的图像形成装置。 在具有至少包括电荷产生剂，空穴转移剂，电子转移剂和基底上的结合树脂的单层型光电导层的电子照相感光体中，电荷产生剂含有氧代 - 氧钛 - 酞菁结晶，电子转移 试剂的还原电位设定在-0.97〜-0.83V的范围内，光电导层相对于波长为700nm的光的反射吸光度（A / - ），膜厚 （d / m），光导电层的氧代 - 氧钛氧基酞菁结晶的浓度（C /重量％）满足下式（1）。 A·C-1·d-1> 1.75×104（1）
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公开(公告)号：US07416825B2
公开(公告)日：2008-08-26
申请号：US11325061
申请日：2006-01-04
IPC分类号： G03G5/06
CPC分类号： G03G5/0592 , G03G5/0517 , G03G5/0564 , G03G5/0578 , G03G5/0609 , G03G5/0614 , G03G5/0651 , G03G5/0696 , G03G5/102
摘要： The present invention provides a single layer type electrophotographic photoconductor which exhibits the small number of generated black spots in a formed image and exhibits the excellent sensitivity characteristic even when the photoconductor is used for a long time or a photoconductor drum is rotated at a high speed and an image display device which includes the single layer type electrophotographic photoconductor. In the single layer type electrophotographic photoconductor which includes a photoconductive layer containing a binding resin, a hole transporting agent and an charge generating agent, the photoconductor contains a water-repellant polycarbonate resin as the binding resin, and a contact angle of pure water (measured temperature: 25° C.) with respect to the photoconductive layer is set to 100° or more.
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公开(公告)号：US09141007B2
公开(公告)日：2015-09-22
申请号：US12047401
申请日：2008-03-13
CPC分类号： G03G5/0696 , G03G5/0564 , G03G5/0609 , G03G5/0614 , G03G5/0668 , G03G5/0672 , G03G5/0677
摘要： Provided is a monolayer type photoconductor superior in sensitivity characteristics that allows reliable production by easy confirmation of the sensitivity characteristics, and an image forming device using such a monolayer type photoconductor. A monolayer type photoconductor including a base body and a single photo sensitive layer formed on the base body, the single photo sensitive layer containing a charge generating agent, a hole transfer agent, an electron transfer agent and a binding resin, wherein a maximum absorption wavelength (λmax) of the photo sensitive layer is set to a value of below 850 nm and an absorbance (A850) of light at a wavelength of 850 nm per unit thickness of the photo sensitive layer is set to a value of 0.05 μm−1 or less.
摘要翻译： 提供了通过容易地确认灵敏度特性而允许可靠地生产的灵敏度特性优异的单层型感光体，以及使用这种单层型感光体的图像形成装置。 一种单层型光电导体，包括基体和形成在基体上的单个感光层，单一光敏层含有电荷产生剂，空穴转移剂，电子转移剂和粘合树脂，其中最大吸收波长 将感光层的λmax（λmax）设定为低于850nm的值，并且将感光层的每单位厚度的波长850nm的光的吸光度（A850）设定为0.05μm-1或 减。
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公开(公告)号：US07700251B2
公开(公告)日：2010-04-20
申请号：US11582588
申请日：2006-10-18
申请人： Norio Nakai , Kazunari Hamasaki , Daisuke Kuboshima , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
发明人： Norio Nakai , Kazunari Hamasaki , Daisuke Kuboshima , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
IPC分类号： G03G5/06
CPC分类号： G03G5/047 , G03G5/0517 , G03G5/0605 , G03G5/0609 , G03G5/0612 , G03G5/0618 , G03G5/062
摘要： An electrophotographic photoconductor having an excellent crack resistance and wear resistance as well as excellent sensitivity characteristics, while keeping good image characteristics of the photoconductor is provided. In addition, an image-forming apparatus equipped with such an electrophotographic photoconductor is also provided. The electrophotographic photoconductor includes a photosensitive layer containing at least a charge-generating agent, a hole-transfer agent, and a binder resin on a conductive substrate. The hole-transfer agent has a solubility of 5 to 35% by weight with respect to triglyceride oleate and the photosensitive layer contains a compound represented by the following general formula (1) as an additive:
摘要翻译： 提供具有优异的耐龟裂性和耐磨性以及优异的灵敏度特性的电子照相感光体，同时保持感光体的良好图像特性。 此外，还提供了配备有这种电子照相感光体的图像形成装置。 电子照相感光体包括在导电性基材上至少含有电荷发生剂，空穴转移剂和粘合剂树脂的感光层。 空穴转移剂相对于甘油三酯油酸盐的溶解度为5〜35重量％，感光层含有下述通式（1）表示的化合物作为添加剂：
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公开(公告)号：US20070111118A1
公开(公告)日：2007-05-17
申请号：US11582588
申请日：2006-10-18
申请人： Norio Nakai , Kazunari Hamasaki , Daisuke Kuboshima , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
发明人： Norio Nakai , Kazunari Hamasaki , Daisuke Kuboshima , Yoshio Inagaki , Hideki Okada , Tetsuya Ichiguchi , Keiji Maruo
IPC分类号： G03G5/06
CPC分类号： G03G5/047 , G03G5/0517 , G03G5/0605 , G03G5/0609 , G03G5/0612 , G03G5/0618 , G03G5/062
摘要： An electrophotographic photoconductor having an excellent crack resistance and wear resistance as well as excellent sensitivity characteristics, while keeping good image characteristics of the photoconductor is provided. In addition, an image-forming apparatus equipped with such an electrophotographic photoconductor is also provided. The electrophotographic photoconductor includes a photosensitive layer containing at least a charge-generating agent, a hole-transfer agent, and a binder resin on a conductive substrate. The hole-transfer agent has a solubility of 5 to 35% by weight with respect to triglyceride oleate and the photosensitive layer contains a compound represented by the following general formula (1) as an additive:
摘要翻译： 提供具有优异的耐龟裂性和耐磨性以及优异的灵敏度特性的电子照相感光体，同时保持感光体的良好图像特性。 此外，还提供了配备有这种电子照相感光体的图像形成装置。 电子照相感光体包括在导电性基材上至少含有电荷发生剂，空穴转移剂和粘合剂树脂的感光层。 空穴转移剂相对于甘油三酯油酸盐的溶解度为5〜35重量％，感光层含有下述通式（1）表示的化合物作为添加剂：
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10.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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