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    • 1. 发明专利
    • Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
    • 静电充电图像开发用的调色剂,静电充电图像开发器,调色剂盒,过程盒,图像形成装置和图像形成方法
    • JP2014186250A
    • 2014-10-02
    • JP2013062593
    • 2013-03-25
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • HASHIMOTO YASUAKISAITO YUTAKASASAKI KOJIINOUE TOSHIMOTO
    • G03G9/08
    • PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development that suppresses the occurrence of fogging, and suppresses a reduction in image density in images to be formed.SOLUTION: A toner for electrostatic charge image development includes: toner particles; and sol-gel silica particles that are externally added to the toner particles, have a moisture percentage (A) of 4 mass% or more and 10 mass% or less after being left in an environment of a temperature of 28°C and a humidity of 85% for 24 hours, and have the relationship between the moisture percentage (A) and a moisture percentage (B) satisfying (B)/(A)≥0.9, where (B) represents a moisture percentage of the sol-gel silica particles after being left in an environment of a temperature of 28°C and a humidity of 85% for 24 hours and further being left in an environment of a temperature of 45°C and a humidity of 50% for one hour.
    • 要解决的问题:提供一种用于抑制发生雾化的静电荷图像显影用调色剂,并抑制要形成的图像中的图像浓度的降低。解决方案:静电荷图像显影用调色剂包括:调色剂颗粒; 和外部加入到调色剂颗粒中的溶胶 - 凝胶二氧化硅颗粒在温度为28℃和湿度的环境中放置后的水分含量(A)为4质量%以上且10质量%以下 为85%,24小时,并且具有满足(B)/(A)≥0.9的水分百分比(A)和水分含量(B)之间的关系,其中(B)表示溶胶 - 凝胶二氧化硅 颗粒在温度为28℃,湿度为85%的环境中放置24小时,并进一步在温度为45℃,湿度为50%的环境中放置1小时。
    • 2. 发明专利
    • Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatus
    • 静电充电图像发生器,静电充电图像开发器,调色剂盒,过程盒和图像形成装置
    • JP2011039166A
    • 2011-02-24
    • JP2009184713
    • 2009-08-07
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • NAKAJIMA SHINYANAKAMURA MASAKIHASHIMOTO YASUAKI
    • G03G9/08G03G9/087G03G15/20
    • PROBLEM TO BE SOLVED: To provide an electrostatic charge image developing toner which suppresses deterioration of an image intensity attributed to temperature and humidity, compared with an electrostatic charge image developing toner not including a release agent which satisfies a ratio (I/Ip) of 0.05-0.2, wherein Ip represents an intensity of the following maximum endothermic absorption in differential scanning calorimetry, and I represents an intensity of the following highest endothermic absorption. SOLUTION: The electrostatic charge image developing toner includes at least: a binder resin; and a release agent which has a maximum endothermic absorption detected by differential scanning calorimetry in a range of 75-90°C and satisfies a ratio (I/Ip) of 0.05-0.2, wherein Ip represents an intensity of the maximum endothermic absorption, and I represents an intensity of the highest endothermic absorption detected by differential scanning calorimetry in a range of (a glass transition temperature (Tg) of the binder resin)+5°C to the Tg+10°C. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:与不含脱模剂的静电荷图像显影调色剂相比,提供一种抑制归因于温度和湿度的图像强度劣化的静电荷图像显影调色剂,其比例(I / Ip )为0.05-0.2,其中Ip表示差示扫描量热法中以下最大吸热吸收的强度,I表示以下最高吸热吸收的强度。 静电荷图像显影调色剂至少包括:粘合剂树脂; 和脱色剂,其具有通过差示扫描量热法在75-90℃的范围内检测到的最大吸热吸收,并且满足0.05-0.2的比例(I / Ip),其中Ip表示最大吸热吸收的强度,以及 I表示通过差示扫描量热法在(粘合剂树脂的玻璃化转变温度(Tg))+ 5℃至Tg + 10℃的范围内检测到的最高吸热吸收的强度。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2013148659A
    • 2013-08-01
    • JP2012008130
    • 2012-01-18
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • OTA NAOKITAGUCHI TETSUYAHASHIMOTO YASUAKI
    • G03G21/10G03G21/14
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus in which aggregation of toner removed from an image carrier is suppressed.SOLUTION: An image forming apparatus 1 comprises: an image forming part 10 which has image carriers 11 for carrying an image and forms a toner image on the image carrier to transfer the toner image to a body to be transferred; a removal part 161 for removing toner remained in a part after transferring of the image carriers; a toner discharge part 40 for discharging toner from the removal part which has a tube 41 extending from the removal part and a conveying mechanism 42 for conveying toner through the inside of the tube; and a control part 1A which operates both the image forming part 10 and the conveying mechanism 42 and continues the operation of the conveying mechanism even after stopping the operation of the image forming part.
    • 要解决的问题:提供一种图像形成装置,其中从图像载体去除的调色剂的聚集被抑制。图像形成装置1包括:图像形成部分10,其具有用于承载图像的图像载体11并形成 图像载体上的调色剂图像将调色剂图像转印到待转印的物体上; 用于去除调色剂的去除部分161保留在传送图像载体之后的一部分中; 用于从去除部分排出调色剂的调色剂排出部分40具有从去除部分延伸的管41和用于通过管内传送调色剂的输送机构42; 以及操作图像形成部10和输送机构42两者的控制部1A,并且即使在停止图像形成部的操作之后也继续进行输送机构的动作。
    • 6. 发明专利
    • Toner and developer for developing electrostatic charge image, toner cartridge, process cartridge, and image forming apparatus
    • 用于开发静电充电图像,调色剂盒,过程盒和图像形成装置的调色剂和开发
    • JP2011008129A
    • 2011-01-13
    • JP2009153039
    • 2009-06-26
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • OKITA MASAHIROSAITO YUTAKAHASHIMOTO YASUAKI
    • G03G9/08
    • G03G9/0815G03G9/0817G03G9/0819G03G9/09725G03G9/09791G03G9/1133
    • PROBLEM TO BE SOLVED: To provide a toner for developing an electrostatic charge image which allows obtaining an image of restrained density irregularity, compared with the case where a specific amount of fatty acid metal salt particle does not remain on a sieve, when sieved by each of the sieves having 25 μm and 45 μm of sieve opening.SOLUTION: The toner for developing the electrostatic charge image includes a toner particle and the fatty acid metal salt particle, a content of the fatty acid metal salt particle is 0.2-5 pts.mass per 100 pts.mass of the toner particle, a mass of the fatty acid metal salt particle remaining on the sieve is 0.015-0.300 mass% with respect to total mass of the toner, when the toner is sieved by the sieve having the opening of 25 μm, and a mass of the fatty acid metal salt particle remaining on the sieve is 0.030 mass% or less with respect to the total mass of the toner, when the toner is sieved by the sieve having the opening of 45 μm.
    • 要解决的问题:为了提供一种用于显影静电荷图像的调色剂,其可以获得抑制密度不均匀的图像,与在筛子上不留下特定量的脂肪酸金属盐颗粒的情况相比, 的筛孔具有25μm和45μm的筛孔。溶液:用于显影静电荷图像的调色剂包括调色剂颗粒和脂肪酸金属盐颗粒,脂肪酸金属盐颗粒的含量为0.2-5个百分点。 相对于调色剂的总质量,剩余在筛子上的脂肪酸金属盐颗粒的质量为0.015-0.300质量%,当调色剂通过具有开口的筛子筛分时, 当调色剂通过具有45μm的开口的筛子筛分时,剩余在筛子上的脂肪酸金属盐颗粒的质量相对于调色剂的总质量为0.030质量%以下。
    • 9. 发明专利
    • Yellow toner for electrostatic charge image development, magenta toner for electrostatic charge image development, developer for electrostatic charge image development, process cartridge and image forming apparatus
    • 用于静电充电图像开发的黄色调色剂,用于静电电荷图像开发的MAGENTA调色剂,静电电荷图像开发的开发者,工艺盒和图像形成装置
    • JP2008102434A
    • 2008-05-01
    • JP2006286505
    • 2006-10-20
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • IIDA YOSHIFUMISAITO YUTAKAHASHIMOTO YASUAKIYANO TOSHIYUKI
    • G03G9/09G03G9/08G03G9/087
    • PROBLEM TO BE SOLVED: To provide yellow toner for electrostatic charge image development and magenta toner for electrostatic charge image development giving an image having high color optical density and transparency, a developer for electrostatic charge image development including the yellow toner for electrostatic charge image development and the magenta toner for electrostatic charge image development, and to provide a process cartridge and an image forming apparatus using the developer for electrostatic charge image development.
      SOLUTION: The yellow toner for electrostatic charge image development and the magenta toner for electrostatic charge image development include a binder resin, a colorant, a release agent and barium, wherein a content of the barium is ≥0.05 mass%. There are also provided the developer for electrostatic charge image development including the yellow toner for electrostatic charge image development and the magenta toner for electrostatic charge image development, and a process cartridge and an image forming apparatus using the developer for electrostatic charge image development.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供用于静电荷图像显影的黄色调色剂和用于静电荷图像显影的品红色调色剂,给出具有高颜色光密度和透明度的图像,用于静电荷图像显影的显影剂,包括用于静电荷的黄色调色剂 图像显影和用于静电荷图像显影的品红色调色剂,并且提供使用显影剂进行静电荷图像显影的处理盒和图像形成装置。

      解决方案:用于静电荷图像显影的黄色调色剂和用于静电荷图像显影的品红色调色剂包括粘合剂树脂,着色剂,脱模剂和钡,其中钡的含量≥0.05质量%。 还提供了用于静电荷图像显影的显影剂,包括用于静电荷图像显影的黄色调色剂和用于静电荷图像显影的品红色调色剂,以及使用静电荷图像显影显影剂的处理盒和成像设备。 版权所有(C)2008,JPO&INPIT