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    • 2. 发明专利
    • Electrophotographic toner set, electrophotographic developer set, image forming method, and image forming apparatus
    • 电子照相打印机,电子显影设备,图像形成方法和图像形成装置
    • JP2008224712A
    • 2008-09-25
    • JP2007058440
    • 2007-03-08
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • EGUCHI ATSUHIKOSERIZAWA MANABU
    • G03G9/08G03G9/09G03G9/10G03G15/16G03G21/14
    • PROBLEM TO BE SOLVED: To provide an electrophotographic toner set capable of forming an optimal image of each toner with less influence of transfer conditions and capable forming an invisible image with high restoring property of invisible information, as regards color toner containing a colorant and invisible toner containing a near infrared light absorbing material. SOLUTION: The electrophotographic toner set includes color toner particles containing a binder resin and a colorant and invisible toner particles containing the binder resin and the near infrared light absorbing material, and when the volume average grain size distribution index of the color toner particles is defined as GSD A and the volume average grain size distribution index of the invisible toner is defined as GSD B , expression (1): 1.10≤GSD B ≤1.25 and expression (2):0.80≤(GSD B /GSD A )≤0.95 are satisfied. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种电子照相调色剂组,其能够以较少的转印条件影响形成每种调色剂的最佳图像并且能够形成具有高不可见信息的高恢复性能的不可见图像,关于包含着色剂的彩色调色剂 和含有近红外光吸收材料的不可见调色剂。 电解调色剂组合物包括含有粘合剂树脂和着色剂的彩色调色剂颗粒和含有粘合剂树脂和近红外光吸收材料的不可见调色剂颗粒,并且当彩色调色剂颗粒的体积平均粒度分布指数 被定义为GSD A ,不可见调色剂的体积平均粒度分布指数定义为GSD B ,表达式(1):1.10≤GSD /SB>≤1.25,表达式(2):0.80≤(GSD B / GSD A )≤0.95。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Image forming method
    • 图像形成方法
    • JP2005091684A
    • 2005-04-07
    • JP2003324297
    • 2003-09-17
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KUBO TSUTOMUTANIGUCHI SHUICHISERIZAWA MANABUSEITOKU SHIGERUTANAKA HIROYUKIYANAGIDA KAZUHIKOMATSUMURA YASUO
    • G03G9/08G03G9/087G03G15/16G03G21/10
    • PROBLEM TO BE SOLVED: To provide an image forming method capable of preventing the occurrence of toner filming even when an images are formed at a high speed. SOLUTION: The image forming method includes: a latent image forming process of forming the electrostatic latent image on an electrostatic latent image carrier; a developing process of forming the toner image by developing the electrostatic latent image by using a developer containing toner; a transfer process of transferring the toner image into a transfer object; and a cleaning process of removing the toner (residual toner) remaining on the electrostatic latent image carrier and/or the transfer object. In the method, the volume average particle size of the toner is within a range from 3 to 7 μm, the average value of shape factors is within a range from 130 to 140 and the ratio of the toner of ≤115 in the shape factor in a shape factor distribution is ≤6 number%. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供即使在高速形成图像时也能够防止调色剂成膜的发生的图像形成方法。 解决方案:图像形成方法包括:在静电潜像载体上形成静电潜像的潜像形成处理; 通过使用含有调色剂的显影剂显影静电潜像来形成调色剂图像的显影方法; 将调色剂图像转印到转印体中的转印过程; 以及除去残留在静电潜像载体和/或转印体上的调色剂(残留调色剂)的清洗处理。 在该方法中,调色剂的体积平均粒径在3〜7μm的范围内,形状系数的平均值在130〜140的范围内,且形状因子中调色剂的比例≤115 形状因子分布≤6%。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Electrophotographic toner set, electrophotographic developing agent, and image forming method using them
    • 电子显像剂集,电子显影剂和使用它们的图像形成方法
    • JP2007199178A
    • 2007-08-09
    • JP2006015238
    • 2006-01-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • IIDA YOSHIFUMIEGUCHI ATSUHIKOOKITA MASAHIROSERIZAWA MANABU
    • G03G9/09G03G9/08G03G9/113G03G15/20
    • PROBLEM TO BE SOLVED: To provide an electrophotographic toner set capable of obtaining an invisible image with high image quality and a visible image with a high glossiness even with the lapse of time. SOLUTION: A toner used for an image forming apparatus suitably replenishing the inside of a developer stored with an electrophotographic developing agent composed of a carrier obtained by coating the surface of a core material with a resin and a toner with a developing agent for replenishment comprising the toner and the carrier, and further having a developing agent recovery mechanism of recovering the surplus developing agent from the inside of the developer is the electrophotographic toner set. The electrophotographic toner set is composed of: color toner particles comprising a binding resin, a coloring agent and a releasing agent; and invisible toner particles comprising a binding agent, a near-infrared absorption material and a releasing agent, and the shape index of the invisible toner particles is 110 to 135. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供即使经过了时间也能够获得具有高图像质量的不可见图像和具有高光泽度的可见图像的电子照相调色剂组。 < P>解决方案:用于图像形成装置的调色剂适当地补充存储有电子照相显影剂的显影剂的内部,该电子照相显影剂由通过用树脂涂覆芯材表面获得的载体和用显影剂 包括调色剂和载体的补充剂,并且还具有从显影剂内部回收多余的显影剂的显影剂回收机构是电子照相调色剂组。 电子照相调色剂组由以下组成:包含粘合树脂,着色剂和脱模剂的彩色调色剂颗粒; 和包含粘合剂,近红外吸收材料和脱模剂的不可见调色剂颗粒,不可见调色剂颗粒的形状指数为110〜135℃。(C)2007,JPO&INPIT
    • 10. 发明专利
    • Electrophotographic toner set, electrophotographic developer, and image forming apparatus using same
    • 电子照相打印机,电子显影开发机和使用其的图像形成装置
    • JP2007003942A
    • 2007-01-11
    • JP2005185696
    • 2005-06-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • EGUCHI ATSUHIKOYANO TOSHIYUKISERIZAWA MANABU
    • G03G9/08G03G9/087G03G9/09
    • PROBLEM TO BE SOLVED: To provide an electrophotographic toner set with which an invisible image substantially free of a brightness difference from an image output medium on visual observation and the visible image of high glossiness can be obtained.
      SOLUTION: The electrophotographic toner set comprises color toner particles including a binder resin, a colorant, and a release agent, and invisible toner particles including a binder resin, a near IR absorptive material, and a release material, in which the weight average molecular weight MwC of the binder resin used for the color toner particles, the amount WC of addition of the release agent, the weight average molecular weight MwI of the binder resin used for the invisible toner particles including the near IR absorptive material, and the amount WI of addition of the release agent satisfy the relationship of the following formula: (Number 1) formula (1): 2.0≤MwI/MwC≤6.0, formula (2): 0.2≤WI/WC≤0.5, formula (3): 8,000≤MwC≤35,000.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电子照相调色剂组合,其可视化观察可以获得与图像输出介质基本上没有亮度差异的不可见图像,并且可以获得高光泽度的可见图像。 电子照相调色剂组包括包含粘合剂树脂,着色剂和脱模剂的彩色调色剂颗粒和包含粘合剂树脂,近红外吸收材料和剥离材料的不可见调色剂颗粒,其中重量 用于彩色调色剂颗粒的粘合剂树脂的平均分子量MwC,脱模剂的添加量WC,用于包含近红外吸收材料的不可见调色剂颗粒的粘合剂树脂的重均分子量Mw,以及 释放剂的添加量WI满足以下关系式:(1)式(1):2.0≤MwI/MwC≤6.0,式(2):0.2≤WI/WC≤0.5,式(3) :8,000≤MWC≤35,000。 版权所有(C)2007,JPO&INPIT