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1. 发明授权

US09791791B2 Electrophotographic photoreceptor, electrophotographic cartridge, image forming apparatus, and charge transport substance 有权
公开(公告)号：US09791791B2
公开(公告)日：2017-10-17
申请号：US15211386
申请日：2016-07-15
申请人： Mitsubishi Chemical Corporation
发明人： Tadashi Mizushima , Mitsuo Wada , Yuka Nagao
IPC分类号： G03G5/06 , G03G5/043 , G03G5/05 , G03G15/00
CPC分类号： G03G5/0433 , G03G5/0564 , G03G5/0596 , G03G5/0614 , G03G5/0662 , G03G15/75 , G03G2215/00957
摘要： The present invention relates to an electrophotographic photoreceptor comprising a conductive support and a photosensitive layer disposed thereover, wherein the photosensitive layer comprises a compound represented by general formula (1) and palladium, the photosensitive layer having a palladium content of 0.01-50 ppm.

2. 发明授权

US09458291B2 Polycarbonate copolymer 有权
标题翻译：聚碳酸酯共聚物
公开(公告)号：US09458291B2
公开(公告)日：2016-10-04
申请号：US14379971
申请日：2013-02-21
申请人： Idemitsu Kosan Co., Ltd.
发明人： Kengo Hirata , Hironobu Morishita
IPC分类号： C08G64/10 , C08G64/14 , C08G64/06 , C08G64/28 , C09D169/00 , G03G5/07 , G03G5/05
CPC分类号： C08G64/14 , C08G64/06 , C08G64/28 , C09D169/00 , G03G5/0564 , G03G5/0589 , G03G5/0596 , G03G5/075
摘要： A polycarbonate copolymer including a repeating unit represented by the following formula (1) and having a copolymerization molar ratio represented by Ar2/(Ar1+Ar2) of 30 mol % or more and 47 mol % or less. In the formula (1), Ar1 is a group represented by the following formula (2a) or (2b) and Ar2 is a group represented by the following formula (3); and n is an average number of repetition and is 1.12 or more and 2.34 or less.

3. 发明申请

US20160238957A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS 有权
标题翻译：电摄影感光构件，电摄影感光构件的制造方法，工艺盒和电子照相装置
公开(公告)号：US20160238957A1
公开(公告)日：2016-08-18
申请号：US14656272
申请日：2015-03-12
申请人： CANON KABUSHIKI KAISHA
发明人： Akihiro Maruyama , Harunobu Ogaki , Yuki Yamamoto
IPC分类号： G03G15/00
CPC分类号： G03G5/078 , G03G5/047 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0592 , G03G5/0596
摘要： A charge-transporting layer as the surface layer of an electrophotographic photosensitive member contains a charge-transporting substance, and contains, as resins, a resin A having specific structural units and a polycarbonate resin D having specific structural units. The charge-transporting layer has, in a matrix containing the charge-transporting substance and the polycarbonate resin D, domains each containing the resin A.
摘要翻译：作为电子照相感光构件的表面层的电荷输送层含有电荷输送物质，并且含有具有特定结构单元的树脂A和具有特定结构单元的聚碳酸酯树脂D作为树脂。电荷传输层在含有电荷输送物质和聚碳酸酯树脂D的基体中具有各自含有树脂A的畴。

4. 发明授权

US09298113B2 Electrophotographic photoconductor, image forming apparatus, and process cartridge 有权
标题翻译：电子照相感光体，成像设备和处理盒
公开(公告)号：US09298113B2
公开(公告)日：2016-03-29
申请号：US14155716
申请日：2014-01-15
申请人： Toshihiro Ishida , Hiroshi Ikuno , Tetsuya Toshine , Naohiro Toda , Takafumi Iwamoto , Kazuhiro Egawa
发明人： Toshihiro Ishida , Hiroshi Ikuno , Tetsuya Toshine , Naohiro Toda , Takafumi Iwamoto , Kazuhiro Egawa
IPC分类号： G03G15/04 , G03G15/01 , G03G5/06 , G03G5/05 , G03G5/147
CPC分类号： G03G5/0614 , G03G5/0596 , G03G5/14704 , G03G5/14708 , G03G5/14795
摘要： An electrophotographic photoconductor, including: an electroconductive substrate; and at least a photoconductive layer and a surface layer in this order over the electroconductive substrate, wherein the surface layer includes a resin having no charge transport properties, and first inorganic fine particles, and wherein the first inorganic fine particles are inorganic fine particles having surfaces modified with at least one of a primary amino group and a secondary amino group, and a volume resistivity of the first inorganic fine particles is 1×108 Ω·cm or less.
摘要翻译：电子照相感光体，包括：导电性基材; 以及至少一层导电层和表面层，其中表面层包括不具有电荷传输性能的树脂和第一无机细颗粒，并且其中第一无机细颗粒是具有表面的无机细颗粒用伯氨基和仲氨基中的至少一种进行了改性，第一无机微粒的体积电阻率为1×10 8Ω·cm·cm以下。

5. 发明申请

US20150160572A1 COATING SOLUTION FOR FORMING CHARGE TRANSPORT LAYER, ELECTROPHOTOGRAPHIC PHOTORECEPTOR PREPARED THEREWITH AND IMAGE FORMING APPARATUS COMPRISING THE SAME 审中-公开
标题翻译：用于形成充电运输层的涂料溶液，其中制备的电子照相制剂和包含其的图像形成装置
公开(公告)号：US20150160572A1
公开(公告)日：2015-06-11
申请号：US14542043
申请日：2014-11-14
申请人： SHARP KABUSHIKI KAISHA
发明人： Kotaro FUKUSHIMA , Kouki BABA , Tomoko KANAZAWA , Takahiro KURAUCHI
IPC分类号： G03G5/06
CPC分类号： G03G5/0539 , G03G5/0596 , G03G5/0696 , G03G5/14726
摘要： The present invention provides a coating solution for forming a charge transport layer including a charge transport material, a binder resin and tetrafluoroethylene resin fine particles, wherein the binder resin exhibits a surface free energy of 25 to 35 mJ/mm2 in the charge transport layer formed with a coating solution for forming a charge transport layer without comprising the tetrafluoroethylene resin fine particles; and the tetrafluoroethylene resin fine particles (1) include primary particles having an average particle diameter of 0.1 to 0.5 μm and secondary particles corresponding to aggregates of the primary particles; (2) account for 1 to 30% by weight of non-solvent components in the coating solution; (3) contain primary particles and secondary particles having a particle diameter of less than 1 μm at a content of less than 80% by weight; and (4) contain secondary particles having a particle diameter of 3 μm or more at a content of no more than 5% by weight.
摘要翻译：本发明提供了一种形成电荷输送层的涂布液，其中包含电荷输送材料，粘合剂树脂和四氟乙烯树脂细颗粒，其中粘合剂树脂在形成的电荷传输层中表现出25至35mJ / mm 2的表面自由能与不含四氟乙烯树脂细颗粒形成电荷输送层的涂布溶液; 四氟乙烯树脂微粒（1）包括平均粒径为0.1〜0.5μm的一次粒子和与一次粒子的聚集体相当的二次粒子; （2）占涂料溶液中非溶剂成分的1〜30重量％（3）含有小于80重量％的粒径小于1μm的一次粒子和二次粒子; 和（4）含有不超过5重量％的粒径为3μm以上的二次粒子。

6. 发明授权

US08900781B2 Binder resin for photosensitive layers and electrophotographic photoreceptor belts 有权
标题翻译：用于感光层和电子照相感光带的粘合剂树脂
公开(公告)号：US08900781B2
公开(公告)日：2014-12-02
申请号：US12310358
申请日：2007-08-21
申请人： Noriyoshi Ogawa
发明人： Noriyoshi Ogawa
IPC分类号： G03G5/047 , G03G5/05
CPC分类号： G03G5/0564 , G03G5/056 , G03G5/0578 , G03G5/0592 , G03G5/0596
摘要： An electrophotographic photoreceptor belt which is excellent in durability and therefore little cracks even when fingerprints of an operator or hand cream adheres to the belt, wherein a binder resin for photosensitive layers comprising as the main component a polycarbonate resin which comprises bisphenol A type constituent units represented by the formula (I) as the main constituent unit (preferably in an amount of at least 90% by weight based on the whole of the constituent units) and which has a limiting viscosity of 1 to 1.6 dl/g and preferably a molecular weight distribution of 3.2 to 4.3 as calculated from the weight-average molecular weight and number-average molecular weight determined by GPC is used in a photosensitive layer (particularly carrier transport layer) of the belt.
摘要翻译：一种电子照相感光带，其耐久性优异，因此即使操作者或手霜的指纹粘附到带上也很少发生裂纹，其中用于感光层的粘合剂树脂包括作为主要组分的聚碳酸酯树脂，其包含双酚A型结构单元通式（I）为主要构成单元（优选为基于整个构成单元的至少90重量％），其特性粘度为1至1.6dl / g，优选分子量通过由GPC测定的重均分子量和数均分子量计算出的3.2〜4.3的分布用于带的感光层（特别是载流子传输层）。

7. 发明授权

US08795933B2 Electrophotographic photoconductor, method for preparing the same, process cartridge, and image forming apparatus 有权
标题翻译：电子照相感光体，其制备方法，处理盒和成像装置
公开(公告)号：US08795933B2
公开(公告)日：2014-08-05
申请号：US12910397
申请日：2010-10-22
申请人： Takatsugu Doi , Wataru Yamada , Yuko Iwadate , Katsumi Nukada
发明人： Takatsugu Doi , Wataru Yamada , Yuko Iwadate , Katsumi Nukada
IPC分类号： G03G15/00 , G03G5/07 , G03G5/147 , G03G5/05 , G03G5/06
CPC分类号： G03G15/751 , G03G5/0525 , G03G5/0532 , G03G5/0592 , G03G5/0596 , G03G5/0614 , G03G5/071 , G03G5/14708
摘要： An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer on the conductive substrate. The outermost surface layer contains a copolymer (a) derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, and a polymer prepared by polymerizing, in the presence of the copolymer (a), a reactive monomer (b) that has a solubility parameter (SP value) different from a solubility parameter (SP value) of the reactive monomer having no charge transport property by about 2 (cal/cm3)1/2 or less.
摘要翻译：电子照相感光体包括导电衬底和导电衬底上的最外表面层。最外表面层含有衍生自具有电荷传输性质的反应性单体和不具有电荷传输性质的反应性单体的共聚物（a）和通过在共聚物（a）的存在下，反应性单体（ b）具有与不具有电荷输送性的反应性单体的溶解度参数（SP值）不同约2（cal / cm 3）1/2以下的溶解度参数（SP值）。

8. 发明授权

US08765337B2 Multilayer type electrophotographic photoconductor and image forming apparatus 有权
标题翻译：多层型电子照相感光体和成像装置
公开(公告)号：US08765337B2
公开(公告)日：2014-07-01
申请号：US11805588
申请日：2007-05-24
申请人： Keiji Maruo , Junichiro Otsubo , Jun Azuma
发明人： Keiji Maruo , Junichiro Otsubo , Jun Azuma
IPC分类号： G03G5/047
CPC分类号： G03G5/0696 , G03G5/047 , G03G5/0564 , G03G5/0596 , G03G5/0614
摘要： The present invention is to provide a multilayer type electrophotographic photoconductor capable of stably obtaining a high image quality image over a long term by restraining the exposure memory and the photo memory, and an image forming apparatus comprising such a multilayer type electrophotographic photoconductor. A multilayer type electrophotographic photoconductor comprising a charge generating layer containing at least a charge generating agent on a base member directly or via an intermediate layer, and a charge transporting layer containing at least a charge transporting agent and a binder resin formed successively, wherein the light absorption degree at a 680 nm wavelength light beam in the photoconductive layer of the multilayer type electrophotographic photoconductor is of a value of 0.8 or less, and the light absorption degree at a 450 nm wavelength light beam is of a value of 1.0 or more, and an image forming apparatus comprising such a multilayer type electrophotographic photoconductor are provided.
摘要翻译：本发明提供一种能够通过抑制曝光存储器和光存储器而能够长期稳定地获得高图像质量图像的多层电子照相感光体，以及包括这种多层型电子照相感光体的图像形成装置。包括直接或通过中间层在基底上至少含有电荷产生剂的电荷产生层和至少含有电荷输送剂和依次形成的粘合剂树脂的电荷输送层的多层电子照相感光体，其中，所述光多层电子照相感光体的光电导层中的680nm波长光束的吸收度为0.8以下，450nm波长光束的光吸收度为1.0以上，提供了包括这种多层型电子照相感光体的图像形成装置。

9. 发明申请

US20140072906A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：US20140072906A1
公开(公告)日：2014-03-13
申请号：US13867604
申请日：2013-04-22
申请人： FUJI XEROX CO., LTD.
发明人： Yuko IWADATE , Katsumi NUKADA , Wataru YAMADA , Hidekazu HIROSE , Tomoya SASAKI , Kenji KAJIWARA
IPC分类号： G03G15/00 , G03G21/18
CPC分类号： G03G5/047 , G03G5/0514 , G03G5/0539 , G03G5/0564 , G03G5/0596 , G03G5/0614 , G03G5/075 , G03G5/14726 , G03G5/14756 , G03G5/14795 , G03G21/1814
摘要： Provided is an electrophotographic photoreceptor including a conductive substrate; a charge generating layer provided on the conductive substrate; a charge transporting layer provided on the charge generating layer; and an outermost surface layer provided on the charge transporting layer, wherein the charge transporting layer includes a charge transporting material and a polycarbonate copolymer having a solubility parameter as calculated by a Feders method of from 11.40 to 11.75, and the outermost surface layer includes a charge transporting material, fluorine-containing resin particles, and a fluorine-containing dispersant.
摘要翻译：提供一种电子照相感光体，包括导电性基材; 设置在所述导电性基板上的电荷产生层; 设置在电荷产生层上的电荷输送层; 以及设置在所述电荷输送层上的最外表面层，其中所述电荷输送层包括电荷输送材料和通过由Feders法计算的溶解度参数为11.40至11.75的聚碳酸酯共聚物，并且所述最外表面层包含电荷运输材料，含氟树脂颗粒和含氟分散剂。

10. 发明授权

US08620184B2 Image forming apparatus having a positively charged single layer type electrophotographic photoreceptor 有权
标题翻译：具有带正电荷的单层电子照相感光体的图像形成装置
公开(公告)号：US08620184B2
公开(公告)日：2013-12-31
申请号：US13152027
申请日：2011-06-02
申请人： Shinki Miyaji , Masaki Kadota , Masahito Ishino , Yoshitaka Imanaka , Hiroka Itani
发明人： Shinki Miyaji , Masaki Kadota , Masahito Ishino , Yoshitaka Imanaka , Hiroka Itani
IPC分类号： G03G15/00 , G03G15/02
CPC分类号： G03G15/75 , G03G5/04 , G03G5/0596 , G03G15/0233
摘要： An image forming apparatus has: a positively-charged single layer type electrophotographic photoreceptor; a charging device with a contact charging roller for charging a surface of the photoreceptor; an exposure device for exposing the charged surface to light to form an electrostatic latent image on the surface of the photoreceptor; a developing device for developing the electrostatic latent image into a toner image; and a transfer device for transferring the toner image to a transferred body. The photoreceptor has a conductive substrate and a photosensitive layer that contains a charge generating agent, a charge transport agent and a binder resin. The binder resin has a yield point strain of 9 to 29%, and the contact charging roller has a conductive layer with a thickness of 1 mm to 3 mm. The image forming apparatus is environmentally responsive and having a long-lasting positively-charged single layer type photoreceptor and charging roller.
摘要翻译：图像形成装置具有：带正电的单层型电子照相感光体; 具有用于对感光体的表面充电的接触充电辊的充电装置; 用于将带电表面曝光以在感光体表面上形成静电潜像的曝光装置; 用于将静电潜像显影成调色剂图像的显影装置; 以及用于将调色剂图像转印到转印体上的转印装置。感光体具有导电性基材和含有电荷发生剂，电荷输送剂和粘合剂树脂的感光层。粘合剂树脂的屈服点应变为9〜29％，接触充电辊具有厚度为1mm〜3mm的导电层。图像形成装置是环境敏感的并具有持久正电单层感光体和充电辊。

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