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    • 1. 发明申请
    • ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    • 电子照相机,图像形成装置和工艺盒
    • US20090175650A1
    • 2009-07-09
    • US12329180
    • 2008-12-05
    • Akiko KIHARAKotaro FukushimaTakatsugu ObataAkihiro Kondoh
    • Akiko KIHARAKotaro FukushimaTakatsugu ObataAkihiro Kondoh
    • G03G21/18G03G15/02G03G15/00C07C211/54
    • G03G5/0614G03G5/047G03G5/0564G03G5/0696
    • An electrophotographic photoreceptor comprising a layered-type photosensitive layer in which a charge generating layer containing a charge generating material and a charge transporting layer containing a charge transporting material are stacked, formed on a conductive supporting member made of a conductive material, wherein the electrophotographic photoreceptor has high sensitive characteristics to a semiconductor laser beam having a wavelength ranging from 380 to 500 nm; the charge transporting layer of the layered-type photosensitive layer contains as the charge transporting material, a triarylamine dimer compound represented by the general formula (1): wherein Ar1 and Ar2 may be the same or different, and represent an unsubstituted or substituted arylene group or heterocyclic derivative bivalent group, Ar3 and Ar4 may be the same or different, and represent an unsubstituted or substituted aryl group or heterocyclic group, R1 and R2 may be the same or different, and represent an alkyl group, m and n represent an integer of 1 to 4, a and b may be the same of different, and represent a hydrogen atom, a halogen atom, or unsubstituted or substituted alkyl group, alkoxy group or amino group; and a film thickness of the photosensitive layer is 30 μm or less.
    • 一种电子照相感光体,包括层叠型感光层,其中包含电荷产生材料的电荷产生层和包含电荷输送材料的电荷输送层堆积在由导电材料制成的导电支撑构件上,其中电子照相感光体 对具有380-500nm波长的半导体激光束具有高灵敏度特性; 层状感光层的电荷输送层含有作为电荷输送材料的由通式(1)表示的三芳基胺二聚物:其中Ar 1和Ar 2可以相同或不同,表示未取代或取代的亚芳基 或杂环衍生物二价基团,Ar 3和Ar 4可以相同或不同,表示未取代或取代的芳基或杂环基,R 1和R 2可以相同或不同,表示烷基,m和n表示整数 1至4,a和b可以相同,表示氢原子,卤素原子或未取代或取代的烷基,烷氧基或氨基; 感光层的膜厚为30μm以下。
    • 3. 发明授权
    • Electrophotographic photoconductor and image forming apparatus using the same
    • 电子照相感光体和使用其的成像装置
    • US08546049B2
    • 2013-10-01
    • US13325486
    • 2011-12-14
    • Akiko KiharaAkihiro KondohTakatsugu Obata
    • Akiko KiharaAkihiro KondohTakatsugu Obata
    • G03G5/047
    • G03G15/75G03G5/0614G03G5/0618G03G5/0629
    • An electrophotographic photoconductor comprising a charge generation layer containing a charge generation material and a charge transfer layer containing a charge transfer material laminating in this order on a conductive support with an undercoat layer interposed between the charge generation layer and the conductive support, or comprising a monolayer type photosensitive layer containing a charge generation material and a charge transport material being formed on a conductive support with an undercoat layer interposed between the monolayer type photosensitive layer and the conductive support, wherein the charge transport layer or the monolayer type photosensitive layer contains, as a charge transfer material, a bisamine compound represented by the following general formula (I):
    • 一种电子照相感光体,包括含有电荷产生材料的电荷产生层和含有电荷转移材料的电荷转移层,该电荷转移层依次层叠在导电性载体上,其中底涂层插入电荷产生层和导电载体之间,或包含单层 包含电荷产生材料和电荷传输材料的光敏层,其形成在导电性载体上,其中底层设置在单层型感光层和导电载体之间,其中电荷传输层或单层型感光层含有 电荷转移材料,由以下通式(I)表示的双胺化合物:
    • 5. 发明授权
    • Electrophotographic photoreceptor, image forming apparatus and process cartridge
    • 电子照相感光体,成像设备和处理盒
    • US08354211B2
    • 2013-01-15
    • US12329180
    • 2008-12-05
    • Akiko KiharaKotaro FukushimaTakatsugu ObataAkihiro Kondoh
    • Akiko KiharaKotaro FukushimaTakatsugu ObataAkihiro Kondoh
    • G03G21/18
    • G03G5/0614G03G5/047G03G5/0564G03G5/0696
    • An electrophotographic photoreceptor comprising a layered-type photosensitive layer in which a charge generating layer containing a charge generating material and a charge transporting layer containing a charge transporting material are stacked, formed on a conductive supporting member made of a conductive material, wherein the electrophotographic photoreceptor has high sensitive characteristics to a semiconductor laser beam having a wavelength ranging from 380 to 500 nm; the charge transporting layer of the layered-type photosensitive layer contains as the charge transporting material, a triarylamine dimer compound represented by the general formula (1): wherein Ar1 and Ar2 may be the same or different, and represent an unsubstituted or substituted arylene group or heterocyclic derivative bivalent group, Ar3 and Ar4 may be the same or different, and represent an unsubstituted or substituted aryl group or heterocyclic group, R1 and R2 may be the same or different, and represent an alkyl group, m and n represent an integer of 1 to 4, a and b may be the same of different, and represent a hydrogen atom, a halogen atom, or unsubstituted or substituted alkyl group, alkoxy group or amino group; and a film thickness of the photosensitive layer is 30 μm or less.
    • 一种电子照相感光体,包括层叠型感光层,其中包含电荷产生材料的电荷产生层和包含电荷输送材料的电荷输送层堆积在由导电材料制成的导电支撑构件上,其中电子照相感光体 对具有380-500nm波长的半导体激光束具有高灵敏度特性; 层状感光层的电荷输送层含有作为电荷输送材料的由通式(1)表示的三芳基胺二聚体化合物:其中Ar 1和Ar 2可以相同或不同,表示未取代或取代的亚芳基 或杂环衍生物二价基团,Ar 3和Ar 4可以相同或不同,表示未取代或取代的芳基或杂环基,R 1和R 2可以相同或不同,表示烷基,m和n表示整数 1至4,a和b可以相同,表示氢原子,卤素原子或未取代或取代的烷基,烷氧基或氨基; 感光层的膜厚为30μm以下。
    • 7. 发明授权
    • Electrophotographic photoreceptor and image forming apparatus provided with the same
    • 电子照相感光体及其成像装置
    • US07588871B2
    • 2009-09-15
    • US10575097
    • 2004-10-08
    • Akiko KiharaKotaro FukushimaTakatsugu Obata
    • Akiko KiharaKotaro FukushimaTakatsugu Obata
    • G03G5/06
    • G03G5/0614G03G5/0605G03G5/0616G03G5/0668G03G5/0672
    • An electrophotographic photoreceptor having excellent electric characteristics such as sensitivity characteristic and light responsiveness with an excellent life duration of abrasion resistance so that no flaw and density unevenness are generated on to-be-formed images for a long period of time, is provided. In an electrophotographic photoreceptor (1), an enamine compound represented by the following general formula (1), for example, an enamine compound represented by the following structural formula (1-1) is contained in a charge transporting layer (6), and a creep value (CIT) in a case where a maximum indentation load of 30 mN is put on a surface for 5 seconds under circumstances of temperature of 25° C. and relative humidity of 50%, is set to 2.70% or more and 5.00% or less, and a plastic deformation hardness value (Hplast) of the surface is set to 220 N/mm2 or more and 275 N/mm2 or less.
    • 提供了具有优异的电特性的电子照相感光体,其具有灵敏度特性和光响应性,并且具有优异的耐磨性使用寿命,使得长时间在未形成的图像上不产生缺陷和浓度不均匀。 在电子照相感光体(1)中,电荷输送层(6)中含有下述通式(1)表示的烯胺化合物,例如下述结构式(1-1)表示的烯胺化合物, 在温度为25℃,相对湿度为50%的情况下,在表面放置5秒的最大压痕载荷为30毫米的情况下的蠕变值(CIT)设定为2.70%以上至5.00 %以下,并且表面的塑性变形硬度值(Hplast)设定为220N / mm 2以上且275N / mm 2以下。
    • 8. 发明授权
    • Electrophotographic photoreceptor, electrophotographic image forming method, and electrophotographic apparatus
    • 电子照相感光体,电子照相成像方法和电子照相设备
    • US07727693B2
    • 2010-06-01
    • US10554099
    • 2004-04-16
    • Kazuya IshidaAkihiro KondohTakatsugu Obata
    • Kazuya IshidaAkihiro KondohTakatsugu Obata
    • G03G5/06
    • G03G5/0616G03G5/0696G03G2215/00957
    • 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.
    • 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。
    • 9. 发明授权
    • Method of forming electrophotographic photoreceptor and method of drying coating film
    • 形成电子照相感光体的方法和干燥涂膜的方法
    • US07560217B2
    • 2009-07-14
    • US11296251
    • 2005-12-08
    • Takatsugu ObataAkihiro KondohJunichi Washo
    • Takatsugu ObataAkihiro KondohJunichi Washo
    • G03G5/00B05D3/02
    • G03G5/0525B05D1/002B05D3/0254B05D3/0413G03G5/051
    • 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).
    • 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”?>