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1. 发明专利

JP6160103B2 電子写真感光体、電子写真感光体カートリッジ、および画像形成装置有权
公开(公告)号：JP6160103B2
公开(公告)日：2017-07-12
申请号：JP2013023428
申请日：2013-02-08
申请人：三菱ケミカル株式会社
发明人：藤井章照
IPC分类号： G03G5/05 , G03G5/06
CPC分类号： G03G5/047 , G03G21/1803 , G03G5/056 , G03G5/0614 , G03G5/0696 , G03G5/14708 , G03G5/14752 , G03G2215/00957

2. 发明专利

JP5911459B2 電子写真感光体、その製造方法、プロセスカートリッジ、および電子写真装置有权
标题翻译：电子照相感光构件，制造方法，一个处理盒的方法，和电子照相设备
公开(公告)号：JP5911459B2
公开(公告)日：2016-04-27
申请号：JP2013186345
申请日：2013-09-09
申请人：キヤノン株式会社
发明人：山本友紀 , 大垣晴信 , 丸山晃洋
IPC分类号： G03G5/147 , G03G5/047 , G03G5/06 , G03G5/05
CPC分类号： G03G5/047 , G03G5/0525 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0592 , G03G5/0607 , G03G5/0614 , G03G5/14752 , G03G5/14756 , G03G5/14773

3. 发明专利

JP2014194518A Electrophotographic photoreceptor, method for manufacturing the same, process cartridge, and electrophotographic apparatus 有权
标题翻译：电子照相机，其制造方法，工艺盒和电子照相设备
公开(公告)号：JP2014194518A
公开(公告)日：2014-10-09
申请号：JP2013186345
申请日：2013-09-09
申请人： Canon Inc , キヤノン株式会社
发明人： YAMAMOTO YUKI , OGAKI HARUNOBU , MARUYAMA AKIHIRO
IPC分类号： G03G5/05 , G03G5/047 , G03G5/06 , G03G5/147
CPC分类号： G03G5/047 , G03G5/0525 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0592 , G03G5/0607 , G03G5/0614 , G03G5/14752 , G03G5/14756 , G03G5/14773
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which simultaneously achieves relaxation of a sustained contact stress against a contact member or the like, potential stability in repeated use of the electrophotographic photoreceptor, and reduction of photo memory at high levels, and to provide a process cartridge and an electrophotographic apparatus having the electrophotographic photoreceptor.SOLUTION: A charge transporting layer of the electrophotographic photoreceptor has a matrix-domain structure, in which the domain contains a polyester resin (A), while the matrix contains at least one of a polyester resin (C) and a polycarbonate resin (D), and a charge transporting substance.
摘要翻译：要解决的问题：提供一种电子照相感光体，其同时实现对接触部件等的持续接触应力的松弛，反复使用电子照相感光体的电位稳定性，以及高水平地还原光记忆体，并提供处理盒和具有电子照相感光体的电子照相设备。解决方案：电子照相感光体的电荷输送层具有基体结构域，其中该结构域含有聚酯树脂（A），而基质含有至少一种聚酯树脂（C）和聚碳酸酯树脂（D），以及电荷输送物质。

4. 发明专利

JP2014142506A Process cartridge and electrophotographic device 有权
标题翻译：工艺盒和电子显示装置
公开(公告)号：JP2014142506A
公开(公告)日：2014-08-07
申请号：JP2013011314
申请日：2013-01-24
申请人： Canon Inc , キヤノン株式会社
发明人： MATSUDA HIDEKAZU , TANAKA DAISUKE , UEMATSU ATSUSHI
IPC分类号： G03G15/02 , F16C13/00
CPC分类号： G03G21/1814 , G03G5/14708 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G15/0233
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge which suppresses generation of a banding image induced during contact rotation between an electrophotographic photoreceptor and a charging member and which can output a favorable image.SOLUTION: The charging member includes a conductive substrate and a conductive resin layer; and the resin layer comprises a binder, conductive fine particles and resin particles in a bowl shape having an opening. The surface of the charging member has recesses derived from the openings of the bowl-shaped resin particles and projections derived from edges of the openings. An electrophotographic photoreceptor includes a support and a photosensitive layer; and a surface layer of the photoreceptor comprises: a resin (α) [a polycarbonate resin or a polyester resin having no siloxane structure at a terminal]; a resin (β) [a polycarbonate resin, a polyester resin or an acrylic resin having a siloxane structure at a terminal]; and a compound (γ) [methyl benzoate, ethyl benzoate, benzyl acetate, 3-ethoxy ethyl propionate, or ethylene glycol ethyl methyl ether].
摘要翻译：要解决的问题：提供一种处理盒，其抑制在电子照相感光体和充电部件之间的接触旋转期间引起的带状图像的产生，并且可以输出良好的图像。解决方案：充电部件包括导电基板和导电树脂层; 并且树脂层包括具有开口的碗形的粘合剂，导电细颗粒和树脂颗粒。充电构件的表面具有源自碗状树脂颗粒的开口的凹部和源自开口的边缘的凸起。电子照相感光体包括支持体和感光层; 感光体的表面层包括：树脂（α）[末端具有不含硅氧烷结构的聚碳酸酯树脂或聚酯树脂]; 树脂（聚碳酸酯树脂，聚酯树脂或末端具有硅氧烷结构的丙烯酸树脂）; 和化合物（γ）[苯甲酸甲酯，苯甲酸乙酯，乙酸苄酯，丙酸3-乙氧基乙酯或乙二醇乙基甲基醚]。

5. 发明专利

JP2014130329A Electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, process cartridge, and electrophotographic device 审中-公开
标题翻译：电子照相光电子产品，制造电子照相机的方法，工艺盒和电子照相装置
公开(公告)号：JP2014130329A
公开(公告)日：2014-07-10
申请号：JP2013224419
申请日：2013-10-29
申请人： Canon Inc , キヤノン株式会社
发明人： MARUYAMA AKIHIRO , OGAKI HARUNOBU , YAMAMOTO YUKI
IPC分类号： G03G5/05 , G03G5/047 , G03G5/06 , G03G5/147
CPC分类号： G03G5/078 , G03G5/0546 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0589 , G03G5/14734 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G5/14786 , G03G5/14791
摘要： PROBLEM TO BE SOLVED: To provide an excellent electrophotographic photoreceptor capable of achieving both of relaxation of a persistent contact stress to a contact member or the like and suppression of a potential variation in repeated use of the photoreceptor, and to provide a process cartridge and an electrophotographic device having the electrophotographic photoreceptor.SOLUTION: A charge transporting layer as a surface layer of the electrophotographic photoreceptor contains a charge transporting substance, a resin A1 and a resin A2 having specific structural units and a resin C having a specific structural unit, as a resin, and a compound D having a specific structural unit. The charge transporting layer has a domain containing the resin A1, the resin A2 and the compound D, in a matrix containing the charge transporting substance and the resin C.
摘要翻译：要解决的问题：提供一种优异的电子照相感光体，其能够实现对接触构件等的持续接触应力松弛和抑制反复使用感光体的潜在变化，并且提供处理盒和具有电子照相感光体的电子照相装置。作为电子照相感光体的表面层的电荷输送层含有电荷输送物质，具有特定结构单元的树脂A1和具有特定结构单元的树脂A2和具有特定结构单元的树脂C作为树脂和具有特定结构单元的化合物D。电荷输送层在包含电荷输送物质和树脂C的基体中具有包含树脂A1，树脂A2和化合物D的畴。

6. 发明专利

JP2013190618A Photoreceptor and manufacturing method of the same 有权
标题翻译：照相机及其制造方法
公开(公告)号：JP2013190618A
公开(公告)日：2013-09-26
申请号：JP2012056957
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIROSE MITSUAKI , SUGINO AKIHIRO , TORIO NOBORU , SHIMOYAMA KEISUKE , ASANO TOMOHARU
IPC分类号： G03G5/147
CPC分类号： G03G5/14708 , G03G5/0546 , G03G5/0631 , G03G5/075 , G03G5/076 , G03G5/14734 , G03G5/14752 , G03G5/14791 , G03G15/75 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor that has excellent abrasion resistance and can suppress the occurrence of unevenness in image density and an increase in potential of an exposure part after a long period of use by using a corona charger, and an image forming apparatus having the photoreceptor, and a process cartridge.SOLUTION: A photoreceptor 10 has a photosensitive layer 12 and a protective layer 13 sequentially laminated on a conductive support 11. The protective layer 13 is formed by curing a composition including a compound represented by the general formula (1), a compound represented by the general formula (2) or a compound represented by the general formula (3), and a radical polymerizable compound having a charge transport structure.
摘要翻译：要解决的问题：提供一种具有优异的耐磨性并且可以通过使用电晕充电器来抑制图像密度不均匀和长时间使用后曝光部分的电位增加的感光体，以及图像形成装置具有感光体和处理盒。解决方案：感光体10具有依次层叠在导电性支撑体11上的感光层12和保护层13.保护层13通过使含有通式（1）表示的化合物，由通式（2）表示的化合物或由通式（3）表示的化合物，以及具有电荷输送结构的自由基聚合性化合物。

7. 发明专利

JP2013178513A Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus 有权
标题翻译：电子照相机，电子照相机墨盒和图像形成装置
公开(公告)号：JP2013178513A
公开(公告)日：2013-09-09
申请号：JP2013023428
申请日：2013-02-08
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： FUJII AKITERU
IPC分类号： G03G5/06 , G03G5/05
CPC分类号： G03G5/047 , G03G5/056 , G03G5/0614 , G03G5/0696 , G03G5/14708 , G03G5/14752 , G03G21/1803 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that quantitatively grasps crack resistance against a contact member to have excellent responsiveness and crack resistance, an electrophotographic photoreceptor cartridge, and an image forming apparatus.SOLUTION: In an electrophotographic photoreceptor having at least photosensitive layer on a conductive support, two types of charge transport materials having a specific structure and a polyester resin can be combined to be contained in the single photosensitive layer to improve crack resistance.
摘要翻译：要解决的问题：提供一种电子照相感光体，其定量地掌握对接触构件的抗裂性以具有优异的响应性和抗裂性，电子照相感光体盒和图像形成装置。解决方案：在至少具有感光层的电子照相感光体上导电性支持体，具有特定结构的两种电荷传输材料和聚酯树脂可以组合在单个感光层中以提高抗裂纹性。

8. 发明专利

JP2013050700A Electrophotographic photosensitive member, process cartridge and electrophotographic device 有权
标题翻译：电子照相感光元件，工艺盒和电子显示装置
公开(公告)号：JP2013050700A
公开(公告)日：2013-03-14
申请号：JP2012123499
申请日：2012-05-30
申请人： Canon Inc , キヤノン株式会社
发明人： TANAKA DAISUKE , SUGIYAMA KAZUMICHI , NISHIDA TAKESHI
IPC分类号： G03G5/05 , G03G5/147
CPC分类号： G03G15/751 , G03G5/051 , G03G5/0514 , G03G5/0517 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/14752 , G03G5/14756 , G03G5/14786 , G03G5/14791 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photosensitive member including a resin having a siloxane structure at the end, which can achieve both reduction in an initial friction force (initial friction coefficient) and suppression of bright part potential fluctuation due to repeated use, and a process cartridge and an electrophotographic device having the electrophotographic photosensitive member.SOLUTION: The present invention provides an electrophotographic photosensitive member in which a surface layer includes (α) a polycarbonate resin not having a siloxane structure at the end, (β) a polycarbonate resin having a siloxane structure at the end, and (γ) benzoic acid methyl, thereby achieving both reduction in the initial friction coefficient and suppression of bright part potential fluctuation due to repeated use.
摘要翻译：要解决的问题：提供一种电子照相感光构件，其包括末端具有硅氧烷结构的树脂，其可以实现初始摩擦力（初始摩擦系数）的降低和由于重复的明亮部分电位波动的抑制使用，以及具有电子照相感光构件的处理盒和电子照相装置。解决方案：本发明提供一种电子照相感光构件，其中表面层包括（α）末端不具有硅氧烷结构的聚碳酸酯树脂，（β）末端具有硅氧烷结构的聚碳酸酯树脂和（ γ）苯甲酸甲酯，从而实现初始摩擦系数的降低和由于重复使用而抑制亮部电位波动。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2013011844A Electrophotographic photoreceptor, process cartridge, electrophotographic device, and method for manufacturing electrophotographic photoreceptor 有权
标题翻译：电子照相电摄影机，工艺盒，电子照相装置及制造电子照相光电子器件的方法
公开(公告)号：JP2013011844A
公开(公告)日：2013-01-17
申请号：JP2011231953
申请日：2011-10-21
申请人： Canon Inc , キヤノン株式会社
发明人： SHIDA KAZUHISA , OKUDA ATSUSHI , NOGUCHI KAZUNORI , ANEZAKI TAKASHI , OGAKI HARUNOBU , MURAI USHIO
IPC分类号： G03G5/05 , G03G5/047 , G03G5/06
CPC分类号： G03G5/047 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0589 , G03G5/0614 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G5/14786
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor containing a specified charge-transporting substance, the photoreceptor achieving both of sustained reduction of contact stress with a contact member or the like and potential stability in repeated use.SOLUTION: A charge-transporting layer as a surface layer of the electrophotographic photoreceptor has a matrix-domain structure composed of: a matrix comprising a structural element [β] and a structural element [γ] (a charge-transporting substance having a specified structure); and a domain comprising a structural element [α] (a resin [α1] or the resin [α1] and a resin [α2]).

10. 发明专利

JP2010217598A Image forming unit and image forming apparatus 有权
标题翻译：图像形成单元和图像形成装置
公开(公告)号：JP2010217598A
公开(公告)日：2010-09-30
申请号：JP2009065264
申请日：2009-03-17
申请人： Oki Data Corp , 株式会社沖データ
发明人： MOTOMURA MIKIO
IPC分类号： G03G21/00 , G03G5/047 , G03G5/05 , G03G5/147 , G03G21/10
CPC分类号： G03G5/14752 , G03G5/047 , G03G5/05 , G03G5/056 , G03G5/147 , G03G15/751 , G03G21/0017 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To improve durability against film cutting or flaw of a photosensitive layer in a photoreceptor, and to thin the photosensitive layer. SOLUTION: This image forming unit 9 includes the photoreceptor 1, a charging means 2 for charging the surface of the photoreceptor 1, a developing means 4 for developing an electrostatic latent image formed on the surface of the photoreceptor 1 with a developer by radiating exposure light to form a developer image on the surface of the photoreceptor, and a cleaning means 6 that is pressure-contacted with the surface of the photoreceptor 1 and removes the transfer remaining developer of the surface of the photoreceptor 1. In the outermost surface layer of the photoreceptor 1, the Martens hardness value is 175-196 N/mm 2 , the elastic deformation rate is 35-48%, and the coefficient of static friction is 0.535 or lower. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提高感光体中的感光层的薄膜切割或缺陷的耐久性，并且使感光层变薄。解决方案：该图像形成单元9包括感光体1，用于对感光体1的表面充电的充电装置2，显影装置4，用于利用显影剂在感光体1的表面上形成的静电潜像显影辐射曝光光以在感光体的表面上形成显影剂图像，以及清洁装置6，其与感光体1的表面压力接触并去除感光体1的表面的转印剩余显影剂。在最外表面感光体1的层，马氏硬度为175〜96N / mm 2 ，弹性变形率为35-48％，静摩擦系数为0.535以下。版权所有（C）2010，JPO＆INPIT

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