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1. 发明授权

US09874824B2 Electrophotographic photoreceptor and image formation device 有权
公开(公告)号：US09874824B2
公开(公告)日：2018-01-23
申请号：US14859920
申请日：2015-09-21
申请人： MITSUBISHI CHEMICAL CORPORATION
发明人： Akira Ando
IPC分类号： G03G5/06 , G03G5/047 , G03G5/05 , G03G5/147
CPC分类号： G03G5/047 , G03G5/0564 , G03G5/0609 , G03G5/0614 , G03G5/0616 , G03G5/0696 , G03G5/14708 , G03G5/14756
摘要： An electrophotographic photoreceptor comprising at least a photosensitive layer on a conductive substrate, wherein the photosensitive layer is a laminate having a charge transport layer and a charge generation layer, the charge transport layer contains four or more types of compounds each having a maximum absorption wavelength falling within a wavelength range of from 300 nm to 600 nm in a tetrahydrofuran solution at 25° C., and maximum absorption wavelengths falling within the wavelength range of at least four types of the compounds of said four or more types of the compounds are separated from each other by 10 nm or more.

2. 发明授权

US09665020B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
公开(公告)号：US09665020B2
公开(公告)日：2017-05-30
申请号：US14664678
申请日：2015-03-20
申请人： CANON KABUSHIKI KAISHA
发明人： Daisuke Miura , Yota Ito , Takashi Anezaki , Hirofumi Kumoi
IPC分类号： G03G5/04 , G03G5/07 , G03G5/06 , G03G5/05 , G03G5/147
CPC分类号： G03G5/078 , G03G5/0564 , G03G5/0578 , G03G5/0605 , G03G5/0614 , G03G5/14756 , G03G5/14773
摘要： A charge transporting layer of an electrophotographic photosensitive member contains a polysiloxane resin having a terminal structure represented by the formula (1), at least one selected from the group consisting of a polycarbonate resin A having a structural unit represented by the formula (A) and a polyarylate resin B having a structural unit represented by the formula (B), and a charge transporting substance, wherein the content of the siloxane structure in the polysiloxane resin is not less than 0.5% by mass and not more than 10% by mass based on the total mass of whole resin in the charge transporting layer.

3. 发明申请

US20170090310A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20170090310A1
公开(公告)日：2017-03-30
申请号：US15048363
申请日：2016-02-19
申请人： FUJI XEROX CO., LTD.
发明人： Hideya KATSUHARA , Takashi IMAI , Takeshi IWANAGA , Masaki HIRAKATA , Tatsuki SANO
IPC分类号： G03G15/00
CPC分类号： G03G5/0564 , G03G5/0433 , G03G5/0436 , G03G5/0507 , G03G5/087 , G03G5/14704 , G03G5/14756
摘要： An electrophotographic photoreceptor includes an electroconductive substrate, a photosensitive layer provided on the electroconductive substrate, and an inorganic surface layer provided on the photosensitive layer, wherein a layer constituting an outermost surface of the photosensitive layer contains from 30% by weight to 70% by weight of silica particles and contains a biphenyl copolymerization type polycarbonate resin including a structural unit represented by the formula (PCA) and a structural unit represented by the formula (PCB) at a copolymerization ratio (PCA:PCB (molar ratio)) of 10:90 to 50:50: wherein, RP1, RP2, RP3, and RP4 each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, or an aryl group having 6 to 12 carbon atoms, and XP1 represents a phenylene group, a biphenylene group, a naphthylene group, an alkylene group, or a cycloalkylene group.

4. 发明授权

US09494883B2 Electrophotographic photoreceptor and resin composition 有权
标题翻译：电子照相感光体和树脂组合物
公开(公告)号：US09494883B2
公开(公告)日：2016-11-15
申请号：US14001419
申请日：2012-03-13
申请人： Hironobu Morishita , Takaaki Hikosaka
发明人： Hironobu Morishita , Takaaki Hikosaka
IPC分类号： G03G15/00 , G03G15/04 , G03G5/07 , C08L69/00 , G03G5/05 , G03G5/147
CPC分类号： G03G5/076 , C08L69/00 , G03G5/056 , G03G5/0564 , G03G5/14752 , G03G5/14756
摘要： An electrophotographic photoreceptor that satisfies excellent transparency, abrasion resistance, and electrophotographic properties (including sensitivity and residual potential after light irradiation) all together is provided. Specifically, an electrophotographic photoreceptor and a resin composition that include therein (1) a polycarbonate resin (A) having a structural unit represented by the following formula (I) and (2) at least one selected from a polycarbonate resin (B) synthesized from a source material that includes therein a bisphenol represented by the following formula (II) and a polyester resin (B′) synthesized from a source material that includes therein a bisphenol represented by the following formula (II). In formulas (I) and (II), each of Ra, Rb, Rc, Rd, Re, and Rf represents, independently from one another, a substituted or non-substituted alkyl group, a substituted or non-substituted cycloalkyl group, or a substituted or non-substituted phenyl group. Each of p, q, r, s, t, and u represents, independently from one another, an integer of 0 to 4. Rg represents an alkyl group. X represents an alkylene group, an isopropylidene group, a sec-butylidene group, a cycloalkylene group, a cycloalkylidene group, or the like. Y represents a single bond or —O—. Each of mA and nA represents a composition ratio (mole ratio) of the structural unit in the round brackets.

5. 发明授权

US09229342B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
标题翻译：电子照相感光构件，处理盒和电子照相设备
公开(公告)号：US09229342B2
公开(公告)日：2016-01-05
申请号：US14077526
申请日：2013-11-12
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Anezaki , Kazuhisa Shida , Masashi Nishi , Hirofumi Kumoi , Daisuke Tanaka , Kazumichi Sugiyama
IPC分类号： G03G5/04 , G03G5/07 , G03G21/18 , G03G5/05 , G03G5/147
CPC分类号： G03G5/078 , G03G5/051 , G03G5/0514 , G03G5/0517 , G03G5/056 , G03G5/0564 , G03G5/0571 , G03G5/0578 , G03G5/14708 , G03G5/14752 , G03G5/14756 , G03G5/14765 , G03G5/14773 , G03G21/18
摘要： A surface layer of an electrophotographic photosensitive member contains (α) a particular siloxane-modified resin, (β) a particular compound, and a charge transporting substance. (β) is at least one compound selected from the group consisting of hexanol, heptanol, cyclohexanol, benzyl alcohol, ethylene glycol, 1,4-butanediol, 1,5-pentanediol, diethylene glycol, diethylene glycol ethyl methyl ether, ethylene carbonate, propylene carbonate, nitrobenzene, pyrrolidone, N-methylpyrrolidone, methyl benzoate, ethyl benzoate, benzyl acetate, ethyl 3-ethoxypropionate, acetophenone, methyl salicylate, dimethyl phthalate, and sulfolane.
摘要翻译：电子照相感光构件的表面层含有（α）特定的硅氧烷改性树脂，（特定的）化合物和电荷输送物质。（bgr）是选自己醇，庚醇，环己醇，苄醇，乙二醇，1,4-丁二醇，1,5-戊二醇，二甘醇，二甘醇乙基甲基醚，碳酸亚乙酯中的至少一种化合物，碳酸丙烯酯，硝基苯，吡咯烷酮，N-甲基吡咯烷酮，苯甲酸甲酯，苯甲酸乙酯，乙酸苄酯，3-乙氧基丙酸乙酯，苯乙酮，水杨酸甲酯，邻苯二甲酸二甲酯和环丁砜。

6. 发明授权

US09188888B2 Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus and method of manufacturing the electrophotographic photosensitive member 有权
标题翻译：电子照相感光构件，处理盒，电子照相设备和制造电子照相感光构件的方法
公开(公告)号：US09188888B2
公开(公告)日：2015-11-17
申请号：US14009721
申请日：2012-03-27
申请人： Atsushi Okuda , Shio Murai , Kazunori Noguchi , Harunobu Ogaki , Kazuhisa Shida , Takashi Anezaki
发明人： Atsushi Okuda , Shio Murai , Kazunori Noguchi , Harunobu Ogaki , Kazuhisa Shida , Takashi Anezaki
IPC分类号： G03G5/05 , G03G5/147 , G03G5/043
CPC分类号： G03G5/043 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0592 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G5/14791 , Y10T428/31507
摘要： A charge-transporting layer, which is a surface layer of an electrophotographic photosensitive member, has a matrix-domain structure having a matrix containing constituent β (a polycarbonate resin having a predetermined repeating structural unit) and a charge-transporting substance, and a domain containing constituent α (a polycarbonate resin having a repeating structural unit having a predetermined siloxane moiety).
摘要翻译：作为电子照相感光构件的表面层的电荷输送层具有具有含有成分bgr的基质的基质结构结构。（具有预定的重复结构单元的聚碳酸酯树脂）和电荷输送物质和含有组分α（具有具有预定的硅氧烷部分的重复结构单元的聚碳酸酯树脂）的畴。

7. 发明授权

US09141006B2 Imaging member having improved imaging layers 有权
标题翻译：具有改进的成像层的成像构件
公开(公告)号：US09141006B2
公开(公告)日：2015-09-22
申请号：US14056820
申请日：2013-10-17
申请人： XEROX CORPORATION
发明人： Jin Wu
IPC分类号： G03G5/05 , G03G15/00
CPC分类号： G03G5/0564 , G03G5/0614 , G03G5/0696 , G03G5/14756 , G03G15/75 , G03G15/751
摘要： The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member having imaging layers that exhibit improved electrical performance. In these embodiments, both the charge generation layer and charge transport layer comprise a tetra-aryl polycarbonate copolymer.
摘要翻译：目前公开的实施例涉及用于静电放电的电荷传输层。更具体地，实施例涉及具有显示改进的电气性能的成像层的静电摄影成像构件。在这些实施方案中，电荷产生层和电荷输送层都包含四芳基聚碳酸酯共聚物。

8. 发明授权

US09114565B2 Process for forming uneven structure on surface of surface layer of cylindrical electrophotographic photosensitive member, and process for producing cylindrical electrophotographic photosensitive member having uneven structure formed on surface of surface layer of same 有权
标题翻译：用于在圆柱形电子照相感光构件的表面层的表面上形成不均匀结构的方法以及在其表面层的表面上形成具有不均匀结构的圆柱形电子照相感光构件的方法
公开(公告)号：US09114565B2
公开(公告)日：2015-08-25
申请号：US13881716
申请日：2011-11-18
申请人： Yasuhiro Kawai , Hiroki Uematsu , Harunobu Ogaki , Koji Takahashi , Tsutomu Nishida
发明人： Yasuhiro Kawai , Hiroki Uematsu , Harunobu Ogaki , Koji Takahashi , Tsutomu Nishida
IPC分类号： B29C59/02 , G03G5/147
CPC分类号： B29C59/021 , G03G5/147 , G03G5/14704 , G03G5/14708 , G03G5/14713 , G03G5/14726 , G03G5/14756 , G03G5/14795
摘要： In the case where an uneven structure is formed on the surface of cylindrical electrophotographic photosensitive members, for the purpose of reducing the variation of the uneven structure between the individual cylindrical electrophotographic photosensitive members even when a large number of cylindrical electrophotographic photosensitive members are continuously processed, an insert is inserted into the interior of a cylindrical electrophotographic photosensitive member including a cylindrical substrate and a surface layer, the surface uneven structure of a molding member is transferred to and formed on the surface of the surface layer of the photosensitive member. The insert includes an abutting part having an outer peripheral surface capable of abutting on the inner peripheral surface of the substrate, a connecting part positioned inside of the abutting part in the radical direction and a shaft part positioned inside of the connecting part in the radical direction.
摘要翻译：在圆柱形电子照相感光构件的表面上形成不均匀结构的情况下，为了减少各个圆柱形电子照相感光构件之间的不均匀结构的变化，即使当连续处理大量的圆柱形电子照相感光构件时，将插入件插入到包括圆柱形基底和表面层的圆柱形电子照相感光构件的内部中，将模制构件的表面不均匀结构转移到感光构件的表面层的表面上并形成在感光构件的表面层上。插入件包括具有能够抵接在基板的内周面上的外周面的抵接部，沿自由度方向位于抵接部的内侧的连接部和沿自由度方向位于连接部的内侧的轴部。

9. 发明申请

US20140315124A1 METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ORGANIC DEVICE, AND EMULSION FOR CHARGE TRANSPORTING LAYER 有权
标题翻译：生产电子感光成员的方法，生产有机装置的方法和用于充电运输层的乳液
公开(公告)号：US20140315124A1
公开(公告)日：2014-10-23
申请号：US14353463
申请日：2012-12-11
申请人： CANON KABUSHIKI KAISHA
发明人： Atsushi Okuda , Keiko Yamagishi , Harunobu Ogaki , Yohei Miyauchi , Hiroki Uematsu , Kimihiro Yoshimura
IPC分类号： G03G5/04
CPC分类号： G03G5/04 , G03G5/0525 , G03G5/0564 , G03G5/0614 , G03G5/14708 , G03G5/14756 , H05B33/10
摘要： Provided are a method of producing an electrophotographic photosensitive member, particularly, a method of producing an electrophotographic photosensitive member and an organic device by which, in a method of forming a charge transporting layer, the stability of an application liquid for the layer after long-term storage is improved while the usage of an organic solvent in the application liquid is curtailed, and the layer having high uniformity is formed. The method is a method of producing an electrophotographic photosensitive member which includes a support and a charge transporting layer formed thereon, the method including: preparing a solution including: a first liquid whose solubility in water under 25° C. and 1 atmosphere is 1.0 mass % or less; a second liquid whose solubility in water under 25° C. and 1 atmosphere is 5.0 mass % or more; a charge transporting substance; and a binder resin; preparing an emulsion by dispersing the solution in water; forming a coat for the layer on the support by using the emulsion; and forming the layer by heating of the coat.
摘要翻译：提供了一种制造电子照相感光构件的方法，特别是制造电子照相感光构件和有机装置的方法，其中在形成电荷输送层的方法中，长期使用该层的涂层液的稳定性，在使用液体中的有机溶剂的使用减少的同时改善了长期储存，形成了均匀性高的层。该方法是一种制造电子照相感光构件的方法，该电子照相感光构件包括支撑体和形成在其上的电荷输送层，该方法包括：制备溶液，其包括：在25℃和1个大气压下在水中的溶解度为1.0质量％％或更少; 在25℃，1个大气压下在水中的溶解度为5.0质量％以上的第二液体; 电荷输送物质; 和粘合剂树脂; 通过将溶液分散在水中制备乳液; 通过使用乳液在载体上形成涂层; 并通过加热涂层形成层。

10. 发明申请

US20140206814A1 POLYCARBONATE RESIN AND COATING SOLUTION CONTAINING SAME, AND MOLDED ARTICLE PRODUCED BY MOLDING SAID COATING SOLUTION 有权
标题翻译：包含其的聚碳酸酯树脂和涂层溶液，以及通过模制涂层溶液生产的模制品
公开(公告)号：US20140206814A1
公开(公告)日：2014-07-24
申请号：US14239645
申请日：2012-08-16
申请人： Hironobu Morishita , Kengo Hirata
发明人： Hironobu Morishita , Kengo Hirata
IPC分类号： C08G65/40 , C08G77/04 , C09D7/12
CPC分类号： C08G65/40 , C08G64/10 , C08G77/04 , C09D7/63 , C09D169/00 , G03G5/0564 , G03G5/0578 , G03G5/14756 , G03G5/14773 , Y10T428/31504 , Y10T428/31507
摘要： A molded article produced by molding a coating solution that contains a polycarbonate resin represented by the following formula (1) has excellent transparency, good water repellency and oil repellency, a lower friction coefficient and excellent surface lubricity, having a capability of improving abrasion resistance. In the formula (1), Rf represents a perfluoroalkyl group having 5 or more carbon atoms and 11 or more fluorine atoms or a perfluoroalkyl group having a specific structure; and W represents a divalent group including therein a specific structural unit.
摘要翻译：通过成型含有下述式（1）所示的聚碳酸酯树脂的涂布液而成型的成型体，具有提高耐磨性的优异的透明性，良好的拒水性和拒油性，较低的摩擦系数和优异的表面润滑性。式（1）中，Rf表示碳原子数为5以上，氟原子数为11以上的全氟烷基或具有特定结构的全氟烷基; W表示包含特定结构单元的二价基团。

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