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1. 发明专利

JP2007187728A Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 有权
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2007187728A
公开(公告)日：2007-07-26
申请号：JP2006003632
申请日：2006-01-11
申请人： Canon Inc , キヤノン株式会社
发明人： FUKAYA KUNIHISA , NAGASAKA HIDEAKI , SEKIDO KUNIHIKO , SEKIYA MICHIYO
IPC分类号： G03G5/05 , G03G5/047 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which does not cause memory while maintaining high sensitivity and which is capable of suppressing occurrence of a ghost image even in repetitive use in a high-speed process, a process cartridge and an electrophotographic apparatus.
SOLUTION: The electrophotographic photoreceptor has a layer structure including a photosensitive layer on a conductive support, wherein the layer structure has a polycyclic aromatic compound, the polycyclic aromatic compound consisting of 2-6 molecular groups including at least one molecular group (B) to (D) selected from the group consisting of molecular groups (A) to (D).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在保持高灵敏度的同时不引起记忆的电子照相感光体，即使在高速处理中的重复使用中也能够抑制重影的发生，处理盒和电子照相仪器。解决方案：电子照相感光体具有在导电性载体上包含感光层的层结构，其中层结构具有多环芳香族化合物，该多环芳族化合物由2-6个分子基团组成，包括至少一个分子基团（B ）至（D）选自分子基团（A）至（D）。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007179031A Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 有权
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2007179031A
公开(公告)日：2007-07-12
申请号：JP2006321761
申请日：2006-11-29
申请人： Canon Inc , キヤノン株式会社
发明人： SEKIYA MICHIYO , NAGASAKA HIDEAKI , SEKIDO KUNIHIKO , FUKAYA KUNIHISA
IPC分类号： G03G5/07 , G03G5/06 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor, a process cartridge and an electrophotographic apparatus which suppress potential variation in a low temperature and low humidity environment and allow continuous formation of excellent images.
SOLUTION: The electrophotographic photoreceptor, the process cartridge and the electrophotographic apparatus contain an electron transport material having a structure represented by any of formulae (1)-(3), wherein Z
11 , Z
12 , Z
21 , Z
22 , Z
31 and Z
32 each denote O, C(CN)
2 , N-R, C(CN)COR, C(CN)COOR, C(CN)R or C(COOR)
2 (R is aryl or alkyl); at least one of X
11 -
16 , X
21 -
28 and X
31 -
36 denotes a polymerizable functional group and the remainders each denote H, halogen, nitro or the like.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供抑制低温和低湿度环境中的电位变化的感光体，处理盒和电子照相设备，并允许连续形成优异的图像。解决方案：电子照相感光体，处理盒和电子照相设备含有具有由式（1） - （3）中任一个表示的结构的电子传输材料，其中Z <11>，Z < SB> 12 ，Z - 36 表示可聚合官能团，其余各自表示H，卤素，硝基等。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007086640A Electrophotographic apparatus 审中-公开
标题翻译：电子照相设备
公开(公告)号：JP2007086640A
公开(公告)日：2007-04-05
申请号：JP2005277995
申请日：2005-09-26
申请人： Canon Inc , キヤノン株式会社
发明人： UESUGI HIROTOSHI , FUKAYA KUNIHISA , NAKAMURA KAZUNARI , KAWAHARA MASATAKA
IPC分类号： G03G5/05 , G03G5/147 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a high-speed electrophotographic apparatus using a low-temperature fixable toner, in which a photoreceptor is hardly contaminated, uneven rotation of the photoreceptor particularly due to an external additive sticking on the photoreceptor is prevented, and toner degradation and fusion hardly occur, and which can stably provide high-quality images over a prolonged period of time.
SOLUTION: The electrophotographic apparatus has: an electrophotographic photoreceptor; a means for forming an electrostatic latent image on the electrophotographic photoreceptor; and a developing means for forming a toner image by developing the electrostatic latent image formed on the electrophotographic photoreceptor with the toner, wherein the toner has a melt index (MI) at 135°C/1.2 kg of 8-30 and contains inorganic fine particles as an external additive, and the surface layer of the electrophotographic photoreceptor contains a diorganopolysiloxane on which at least two side chains are grafted and at least one of the two side chains is a perfluoroalkyl group.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题为了提供一种使用感光体几乎不被污染的低温可定影调色剂的高速电子照相设备，防止了感光体的不均匀旋转，特别是由于外部添加剂粘附在感光体上，并且几乎不发生调色剂降解和融合，并且可以在长时间内稳定地提供高质量的图像。电解质：电子照相设备具有：电子照相感光体; 用于在电子照相感光体上形成静电潜像的装置; 以及通过用调色剂显影形成在电子照相感光体上的静电潜像来形成调色剂图像的显影装置，其中调色剂在135℃/ 1.2kg的熔体指数（MI）为8-30，并且含有无机细颗粒作为外部添加剂，并且电子照相感光体的表面层含有二有机聚硅氧烷，其上至少两个侧链被接枝并且两个侧链中的至少一个是全氟烷基。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007178814A Electrophotographic photoreceptor, process cartridge and electrophotographic device 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2007178814A
公开(公告)日：2007-07-12
申请号：JP2005378556
申请日：2005-12-28
申请人： Canon Inc , キヤノン株式会社
发明人： KUNO JUNPEI , UESUGI HIROTOSHI , FUKAYA KUNIHISA , OKUDA ATSUSHI
IPC分类号： G03G5/147 , G03G5/05 , G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of maintaining high transfer efficiency for a long period without increasing a transfer current, producing a favorable images and particularly suitable for a color electrophotographic device. SOLUTION: The electrophotographic photoreceptor has a photosensitive layer on a support, wherein the surface layer of the photoreceptor contains organopolysiloxane having a repeating structural unit α, a repeating structural unit β and a branched repeating structural unit γ. The present invention provides a process cartridge and an electrophotographic device having the above electrophotographic photoreceptor. In the formulae, each of R 11 , R 12 and R 13 represents a monovalent hydrocarbon group; each of B 1 and B 2 represents a monovalent organic group having a perfluoroalkyl group; each of D 1 and D 2 represents a monovalent organic group or the like having a polystyrene chain with a polymerization degree of 3 or more; and X 1 represents R 13 , B 2 or D 2 . COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够长时间保持高转印效率而不增加转印电流的电子照相感光体，产生良好的图像，特别适用于彩色电子照相装置。电子照相感光体在支持体上具有感光层，其中感光体的表面层含有具有重复结构单元α的有机聚硅氧烷，重复结构单元β和支化重复结构单元γ。本发明提供一种具有上述电子照相感光体的处理盒和电照相装置。在该式中，R 11，R 12和R 13中的每一个表示一价烃基; B 1 和B 2 中的每一个表示具有全氟烷基的一价有机基团; D 1 和D 2 中的每一个表示具有聚合度为3以上的聚苯乙烯链的一价有机基团等; 而X 1 表示R 13 ，B 2 或D 2 。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005258020A Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2005258020A
公开(公告)日：2005-09-22
申请号：JP2004068887
申请日：2004-03-11
申请人： Canon Inc , キヤノン株式会社
发明人： FUKAYA KUNIHISA , UESUGI HIROTOSHI , NAKAMURA KAZUNARI , TANAKA MASATO , FUJII JUNJI
IPC分类号： G03G5/05 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which makes further high in sensitivity, particularly in a semiconductor laser wavelength region while maintaining an image reduced in image defects such as ghost not only under normal temperature and normal humidity but also under low temperature and low humidity, to provide a process cartridge having the electrophotographic photoreceptor and to provide an electrophotographic apparatus having the process cartridge.
SOLUTION: In the electrophotographic photoreceptor having a photoreceptive layer on a substrate, the photoreceptive layer contains calixarene metal complex.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供使感光度更高的电子照相感光体，特别是在半导体激光波长区域中，同时保持不仅在正常温度和正常湿度下而且在低于温度和低湿度，以提供具有电子照相感光体的处理盒，并提供具有处理盒的电子照相设备。解决方案：在基片上具有感光层的电子照相感光体中，感光层含有杯芳烃金属络合物。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2007193210A Electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，制造电子照相机的方法，工艺盒和电子照相设备
公开(公告)号：JP2007193210A
公开(公告)日：2007-08-02
申请号：JP2006012681
申请日：2006-01-20
申请人： Canon Inc , キヤノン株式会社
发明人： NAGASAKA HIDEAKI , FUKAYA KUNIHISA , SEKIDO KUNIHIKO , SEKIYA MICHIYO
IPC分类号： G03G5/14 , G03G5/00 , G03G5/047 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which meets an unprecedented difficult request for ghost, a method for manufacturing the electrophotographic photoreceptor, a process cartridge and an electrophotographic apparatus.
SOLUTION: The electrophotographic photoreceptor is a multilayer electrophotographic photoreceptor having an intermediate layer disposed on a conductive support, a charge generating layer disposed on the intermediate layer and a charge transport layer on the charge generating layer, wherein the intermediate layer comprises a resin containing an oxazoline group and a charge transport compound having a reduction potential in a range of -0.1 to -0.7 V. The method for manufacturing the electrophotographic photoreceptor is also provided. The process cartridge and the electrophotographic apparatus are equipped with the electrophotographic photoreceptor.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种满足前所未有的对重影的困难要求的电子照相感光体，电子照相感光体的制造方法，处理盒和电子照相设备。电子照相感光体是具有设置在导电性支持体上的中间层，设置在中间层上的电荷产生层和电荷产生层上的电荷输送层的多层电子照相感光体，其中中间层包含树脂含有恶唑啉基和电荷输送化合物，其还原电位在-0.1至-0.7V的范围内。还提供了制造电子照相感光体的方法。处理盒和电子照相设备配备有电子照相感光体。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007148292A Substituted hydroxyphenyl compound, electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus 有权
标题翻译：取代的羟基苯基化合物，电子光刻胶，过程盒和电子照相装置
公开(公告)号：JP2007148292A
公开(公告)日：2007-06-14
申请号：JP2005346207
申请日：2005-11-30
申请人： Canon Inc , キヤノン株式会社
发明人： SEKIDO KUNIHIKO , NAGASAKA HIDEAKI , SEKIYA MICHIYO , FUKAYA KUNIHISA
IPC分类号： G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide a novel electron transfer material which is more excellent in solubility in an organic solvent and film-forming characteristics than the conventional electron transfer material and is excellent in electron transferability, and an excellent electrophotographic photoreceptor which has less potential fluctuations during repetitive use by using the novel electron transfer material.
SOLUTION: The substituted hydroxyphenyl compound is -0.20 to -0.90V with respect to an SCE reference electrode (saturated calomel electrode) in a value on the reduction side of an oxidation reduction potential and is expressed by (1), and the electrophotographic photoreceptor contains the compound. In the formula, at least either of R
1 and R
5 is a hydroxymethyl group and at least one of the groups other than the hydroxymethyl groups of R
2 to R
4 is a group having an electron acceptive part.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种新颖的电子转移材料，其在有机溶剂中的溶解度和成膜特性比常规电子转移材料更好，并且电子转移性优异，并且具有优异的电子照相感光体，其具有通过使用新的电子转移材料在重复使用期间较少的电位波动。解决方案：相对于SCE参比电极（饱和甘汞电极），取代的羟基苯基化合物在氧化还原电位的还原侧的值中为-0.20至-0.90V，并由（1）表示，并且电子照相感光体含有该化合物。在该式中，R SB 1和R 5中的至少一个是羟甲基，除了R SB 2的羟甲基之外的至少一个基团， / SB>至R 4 是具有电子接受部分的基团。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005300742A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005300742A
公开(公告)日：2005-10-27
申请号：JP2004114218
申请日：2004-04-08
申请人： Canon Inc , キヤノン株式会社
发明人： FUKAYA KUNIHISA , UESUGI HIROTOSHI
IPC分类号： G03G5/047
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which does not have a destaticization means and performs electrostatic charging of an electrophotographic photoreceptor by using only the DC voltage and can sufficiently prevent the occurrence of white stripes even when a toner image is directly transferred to a transfer material.
SOLUTION: The Image forming apparatus is configured in such a manner that an image forming unit not having the destaticization means and including the electrophotographic photoreceptor and electrostatic charge, exposure and development apparatuses along a transfer material conveyance path, causes the electrophotographic photoreceptor to be electrostatically charged by applying only the DC voltage to the electrostatic charging member arranged in contact with the photoreceptor and forms the image by directly transferring the toner image developed on the electrophotographic photoreceptor of the image forming unit to the conveyed transfer material. In addition, the amount of the dark attenuation after one minute when the electrophotographic photoreceptor is electrostatically charged so as to attain +500V on the surface under the environment of 23°C/50% RH is ≤15V and the film thickness d of a charge transfer layer of the electrophotographic photoreceptor, a specific dielectric constant ε of the binder resin of the charge transfer layer and the absolute value V of the dark part potential of the photoreceptor have the relation of d ÷ ε x V≥ 3,000.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种不具有去静电装置的图像形成装置，并且仅通过使用DC电压来执行电子照相感光体的静电充电，并且即使当调色剂图像是直接转移到转印材料上。解决方案：图像形成装置被构造成使得不具有去静电装置并且包括电子照相感光体的图像形成单元和沿着转印材料输送路径的静电荷，曝光和显影装置使得电子照相感光体通过仅将直流电压施加到与感光体相接触的静电充电构件而进行静电充电，并通过将显影在图像形成单元的电子照相感光体上的调色剂图像直接转印到传送的转印材料上而形成图像。此外，在23℃/ 50％RH的环境下，电子照相感光体静电电荷达到+ 500V后1分钟后的黑暗衰减量为15V，电荷的膜厚d为电摄影感光体的转印层，电荷转移层的粘合剂树脂的比介电常数ε和感光体的暗部电位的绝对值V具有d÷ε×V≥3000的关系。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005300741A Electrophotographic device 审中-公开
标题翻译：电子照相设备
公开(公告)号：JP2005300741A
公开(公告)日：2005-10-27
申请号：JP2004114217
申请日：2004-04-08
申请人： Canon Inc , キヤノン株式会社
发明人： UESUGI HIROTOSHI , TAKAGI SHINJI , FUKAYA KUNIHISA
IPC分类号： G03G5/05 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge which strikes a balance between downsizing and a long service life even when the ends of a developing member and an electrostatic charging member are in proximity with each other, and an electrophotographic device.
SOLUTION: In the electrophotographic photoreceptor having a conductive support and a photosensitive layer and a color electrophotographic process having an electrostatic charging means in contact with the electrophotographic photoreceptor and a developing means, the spacing between the end position of the electrostatic charging means and the end position of the developing means is within 8.0 mm and the surface layer of the electrophotographic photoreceptor contains a polyarylate having a specific structural unit.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在显影部件和静电充电部件的端部彼此靠近的情况下，提供即使在小型化和长使用寿命之间的平衡的处理盒和电子照相设备。解决方案：在具有导电支持体和感光层的电子照相感光体和具有与电子照相感光体和显影装置接触的静电充电装置的彩色电子照相方法中，静电充电装置的端部位置与显影装置的结束位置在8.0mm内，电子照相感光体的表面层含有具有特定结构单元的多芳基化合物。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2007178815A Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2007178815A
公开(公告)日：2007-07-12
申请号：JP2005378558
申请日：2005-12-28
申请人： Canon Inc , キヤノン株式会社
发明人： UESUGI HIROTOSHI , FUKAYA KUNIHISA , KUNO JUNPEI , NAKAMURA KAZUNARI
IPC分类号： G03G5/147 , C08G77/44 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which is hardly contaminated, so that uneven rotation of the photoreceptor particularly due to an external additive sticking on the photoreceptor is prevented through its lifetime, on which toner deterioration and fusion occur infrequently, and which has so good cleanability that it can stably provide high quality images over a prolonged period of time.
SOLUTION: The electrophotographic photoreceptor has a photosensitive layer on a support, wherein a surface layer of the photoreceptor contains a diorganopolysiloxane having a repeating structural unit α represented by the formula (1): (R
1 B
1 )SiO and a repeating structural unit β represented by the formula (2): (R
2 D
1 )SiO and having a weight average molecular weight of 1,000-1,000,000, wherein B
1 denotes a perfluoroalkyl group; D
1 denotes a carboxylic ester group; and R
1 and R
2 each denote a hydrocarbon group.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供几乎不被污染的电子照相感光体，使得特别是由于附着在感光体上的外部添加剂的感光体的不均匀旋转在其寿命期间被防止，其中调色剂劣化和熔融不常发生，并具有如此好的清洁性，可以在长时间内稳定地提供高品质的图像。电子照相感光体在支持体上具有感光层，其中感光体的表面层含有具有由式（1）表示的重复结构单元α的二有机聚硅氧烷：（R SB> 1 （2）表示的重复结构单元β：（R SB 2 SiO 2）SiO，并且具有重量平均分子量为1,000-1,000,000，其中B 1 表示全氟烷基; D 1 表示羧酸酯基; R SB 1和R SB 2各自表示烃基。版权所有（C）2007，JPO＆INPIT

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