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    • 1. 发明申请
    • IMAGE-FORMING METHOD AND IMAGE-FORMING APPARATUS
    • 图像形成方法和图像形成装置
    • US20110097655A1
    • 2011-04-28
    • US13001052
    • 2009-07-24
    • Tooru TakahashiKatsuhisa YamazakiSyuhei MoribeDaisuke YoshibaMasami Fujimoto
    • Tooru TakahashiKatsuhisa YamazakiSyuhei MoribeDaisuke YoshibaMasami Fujimoto
    • G03G13/22G03G15/20
    • G03G9/0836G03G5/0433G03G5/08214G03G5/14704G03G9/0833
    • Provided is an image-forming method, the method including: forming an electrostatic image on an electrostatic image bearing member which has been charged; developing the electrostatic image to form a toner image; transferring the toner image on the electrostatic image bearing member with or without mediating an intermediate transferring member onto a transfer material; and fixing the toner image on the transfer material, in which: the electrostatic image hearing member is a photosensitive member obtained by sequentially laminating a photoconductive layer and a surface layer formed of hydrogenated amorphous silicon carbide, and a sum of an atomic density of silicon atoms and an atomic density of carbon atoms in the surface layer of the photosensitive member is 6.60×1022 atoms/cm3 or more; and the toner has a binder resin and magnetic iron oxide particles, and the magnetic iron oxide particles contain Fe(2+) at a content of 20.0 mass % or more and 25.0 mass % or lees.
    • 提供了一种图像形成方法,该方法包括:在已经充电的静电图像承载部件上形成静电图像; 显影静电图像以形成调色剂图像; 在有或没有介质中间转印部件转印到转印材料上的情况下将调色剂图像转印到静电图像承载部件上; 并且将调色剂图像定影在转印材料上,其中:静电图像听觉构件是通过顺序层叠光电导层和由氢化非晶碳化硅形成的表面层获得的感光构件,以及硅原子的原子密度之和 并且感光构件的表面层中的碳原子的原子密度为6.60×1022原子/ cm3以上; 并且调色剂具有粘合剂树脂和磁性氧化铁颗粒,并且磁性氧化铁颗粒含有20.0质量%以上且25.0质量%以下的Fe 2+。
    • 2. 发明授权
    • Image-forming method and image-forming apparatus
    • 图像形成方法和图像形成装置
    • US08507170B2
    • 2013-08-13
    • US13001052
    • 2009-07-24
    • Tooru TakahashiKatsuhisa YamazakiSyuhei MoribeDaisuke YoshibaMasami Fujimoto
    • Tooru TakahashiKatsuhisa YamazakiSyuhei MoribeDaisuke YoshibaMasami Fujimoto
    • G03G13/08
    • G03G9/0836G03G5/0433G03G5/08214G03G5/14704G03G9/0833
    • An image-forming method includes forming an electrostatic image on an electrostatic image bearing member which has been charged; developing the electrostatic image to form a toner image; transferring the toner image on the electrostatic image bearing member with or without mediating an intermediate transferring member onto a transfer material; and fixing the toner image on the transfer material. The electrostatic image bearing member is a photosensitive member obtained by sequentially laminating a photoconductive layer and a surface layer formed of hydrogenated amorphous silicon carbide, and a sum of an atomic density of silicon atoms and an atomic density of carbon atoms in the surface layer of the photosensitive member is 6.60×1022 atoms/cm3 or more. The toner has a binder resin and magnetic iron oxide particles, and the magnetic iron oxide particles contain Fe(2+) at a content of 20.0 mass % or more and 25.0 mass % or less.
    • 图像形成方法包括在已经充电的静电图像承载部件上形成静电图像; 使静电图像显影以形成调色剂图像; 在有或没有介质中间转印部件转印到转印材料上的情况下将调色剂图像转印到静电图像承载部件上; 并将调色剂图像固定在转印材料上。 静电图像承载部件是通过顺序层叠光电导层和由氢化非晶碳化硅形成的表面层而获得的感光部件,以及硅原子的原子密度和碳原子的原子密度之和 感光体为6.60×1022原子/ cm3以上。 调色剂具有粘合剂树脂和磁性氧化铁颗粒,磁性氧化铁颗粒含有20.0质量%以上且25.0质量%以下的Fe(2+)。
    • 5. 发明申请
    • TONER
    • 托尼
    • US20080187853A1
    • 2008-08-07
    • US12056917
    • 2008-03-27
    • Syuhei MoribeKatsuhisa YamazakiDaisuke YoshibaJunko HirataMasami FujimotoTakashige Kasuya
    • Syuhei MoribeKatsuhisa YamazakiDaisuke YoshibaJunko HirataMasami FujimotoTakashige Kasuya
    • G03G9/087
    • G03G9/08795G03G9/08711G03G9/08755G03G9/08793G03G9/08797
    • The present invention aims to provide a toner having excellent developability and excellent low-temperature fixability without causing adhesion of ejected sheets even in a high-speed oilless fixing system and capable of preventing a frameless printing from causing a twisted offseting phenomenon. Specifically, provided is a toner having toner particles including at least a binder resin and a colorant, in which, when the toner is dissolved in a tetrahydrofuran (THF) solvent at 25° C. for 24 hours, the ratio of a THF-soluble matter having an intrinsic viscosity of 5.0×10−2 dl/g or less with respect to the total amount of the THF-soluble matter in a GPC-RALLS-viscometer analysis is 15.0 mass % to 60.0 mass %, and the ratio of a THF-soluble matter having an intrinsic viscosity of 1.5×10−1 dl/g or more with respect to the total amount of the THF-soluble matter in a GPC-RALLS-viscometer analysis is 20.0 mass % to 40.0 mass %.
    • 本发明的目的在于提供一种即使在高速无油定影系统中也不会引起喷射片粘附并且能够防止无框印刷引起扭转偏移现象的显影性和优异的低温定影性的调色剂。 具体地说,提供了具有至少包含粘合剂树脂和着色剂的调色剂颗粒的调色剂,其中当调色剂在25℃下溶解在四氢呋喃(THF)溶剂中24小时时,THF可溶的比例 在GPC-RALLS-粘度计分析中,相对于THF可溶物的总量,特性粘度为5.0×10 -2 dl / g以下的物质为15.0质量%〜60.0质量% ,特性粘度为1.5×10 -1 dl / g以上的THF可溶性物质相对于GPC-RALLS-粘度计中THF可溶物质的总量的比例 分析为20.0质量%至40.0质量%。