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    • 4. 发明专利
    • Electrifying member, and process cartridge and image forming apparatus using electrifying member
    • 电子会员,以及使用电子会员的处理盒和图像形成装置
    • JP2006133527A
    • 2006-05-25
    • JP2004322808
    • 2004-11-05
    • Fuji Xerox Co LtdSuzuka Fuji Xerox Co Ltd富士ゼロックス株式会社鈴鹿富士ゼロックス株式会社
    • MIURA HIROYUKIROKUTAN MINORUKODA TAKANARIWATANABE TATSUJIHATTORI TAKAHIKO
    • G03G15/02F16C13/00
    • PROBLEM TO BE SOLVED: To provide an electrifying member which combines electrifying ability with leak resistance performance, and causes no defective image quality even when it is stored in a state where it comes into contact with a photoreceptor.
      SOLUTION: The electrifying member includes at least base material and an outermost layer provided on the base material and coming into contact with a body to be electrified, and electrifies the body to be electrified by coming into contact with the body to be electrified in a state where voltage is applied, and the electrifying member is characterized in that two kinds of carbon black (carbon black (a) and carbon black (b)) satisfying following specific surface area and pH are at least contained in the outermost layer. The carbon black (a) is set so that the specific surface area is ≤400m
      2 /g and pH is ≤4.0, and the carbon black (b) is set so that the specific surface area is >400m
      2 /g and pH is ≤4.0.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种将通电能力与防漏性能相结合的带电构件,即使在与感光体接触的状态下存储时也不会产生有缺陷的图像质量。 解决方案:充电构件至少包括基材和最外层,其设置在基材上并与要充电的本体接触,并且通过与被电化的身体接触而带电通电的身体 在施加电压的状态下,通电部件的特征在于,在最外层中至少包含满足以下比表面积和pH的两种炭黑(炭黑(a)和炭黑(b))。 将炭黑(a)设定为比表面积为≤400m2 / SP> / g,pH为≤4.0,设定炭黑(b)使比表面积> 400m 2 / SP / g,pH值≤4.0。 版权所有(C)2006,JPO&NCIPI