FERRITE CORE MATERIAL AND FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE FERRITE CARRIER
    2.
    发明申请
    FERRITE CORE MATERIAL AND FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE FERRITE CARRIER 有权
    电子雕刻开发商的铁素体材料和铁素体载体,以及使用铁素体载体的电子显影开发

    公开(公告)号:US20110212399A1

    公开(公告)日:2011-09-01

    申请号:US13020455

    申请日:2011-02-03

    IPC分类号: G03G9/083

    CPC分类号: G03G9/107 G03G9/10

    摘要: There is provided a ferrite core material for an electrophotographic developer, the ferrite core material having a ferrite particle composition represented by the formula (1) shown below, containing SrO replacing a part of (MnO) and/or (MgO) in the formula (1) shown below, and having a Cl concentration of 0.1 to 100 ppm, as measured by an elution method of the ferrite core material: (MnO)x(MgO)y(Fe2O3)z   (1) wherein x=35 to 45 mol %, y=5 to 15 mol %, z=40 to 60 mol %, and x+y+z=100 mol %.

    摘要翻译: 提供一种用于电子照相显影剂的铁氧体芯材料,该铁氧体磁芯材料具有如下所示的式(1)所示的铁氧体颗粒组合物,其含有SrO,其代替式(1)中的(MnO)和/或(MgO)的一部分, 1),并且通过铁氧体磁心材料:(MnO)x(MgO)y(Fe 2 O 3)z(1)的洗脱方法测定的Cl浓度为0.1〜100ppm,其中x = 35〜45mol %,y = 5〜15摩尔%,z = 40〜60摩尔%,x + y + z = 100摩尔%。

    CARRIER CORE MATERIAL FOR AN ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER
    3.
    发明申请
    CARRIER CORE MATERIAL FOR AN ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER 有权
    使用载体的电子显影开发商,载体和电子显影开发商的载体核心材料

    公开(公告)号:US20090246677A1

    公开(公告)日:2009-10-01

    申请号:US12399164

    申请日:2009-03-06

    IPC分类号: G03G9/00

    摘要: A carrier core material for an electrophotographic developer containing Li ferrite, maghemite, and Fe3O4, wherein a part thereof is substituted with Mn, a Li content is 1 to 2.5% by weight, a Mn content is 2 to 7.5% by weight, and a silicon content is 25 to 10,000 ppm, a compression breaking strength is 130 MPa or more, an SF-1 is 125 to 145, respective cumulative strengths of respective spinel crystal structure faces in X-ray diffraction satisfy a certain equation, a vacuum resistivity R500 across a 2 mm gap when a measurement voltage of 500 V is applied is 1×106 to 5×109Ω, and a vacuum resistivity R1000 across a 6.5 mm gap when a measurement voltage of 1,000 V is applied is 5×107 to 1×1010Ω.

    摘要翻译: 用于含有Li铁氧体,磁赤铁矿和Fe3O4的电子照相显影剂的载体芯材料,其一部分被Mn取代,Li含量为1〜2.5重量%,Mn含量为2〜7.5重量%, 硅含量为25〜10000ppm,压缩断裂强度为130MPa以上,SF-1为125〜145,X射线衍射中各尖晶石晶体结构面的累积强度满足一定等式,真空电阻率R500 当施加500V的测量电压时为2mm间隙,当施加1000V的测量电压时,在6.5mm间隙处的真空电阻率R1000为5×10 7至1×10 10Ω。

    CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER
    4.
    发明申请
    CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER 有权
    使用载体的电子显影开发商,载体和电子显影开发商的载体核心材料

    公开(公告)号:US20090246676A1

    公开(公告)日:2009-10-01

    申请号:US12399129

    申请日:2009-03-06

    IPC分类号: G03G9/113 G03G9/107

    摘要: A carrier core material for an electrophotographic developer including Li ferrite, maghemite, and Fe3O4, wherein a part thereof is substituted with Mn, Li content is 1 to 2.5% by weight, Mn content is 2 to 7.5% by weight, and silicon content is 25 to 10,000 ppm, the following equation (1) is satisfied when respective integrated strengths of spinel crystal structure (110), (210), (211), and (311) faces in X-ray diffraction are respectively I110, I210, I211, and I311, a resistivity R50 of 50 V across a 6.5 mm gap is 5×107 to 7×108Ω, and a resistivity R1000 of V across a 6.5 mm gap is 1×107 to 8×108Ω. 2

    摘要翻译: 一种用于电子照相显影剂的载体芯材,包括Li铁氧体,磁赤铁矿和Fe3O4,其中一部分被Mn取代,Li含量为1至2.5重量%,Mn含量为2至7.5重量%,硅含量为 25〜10000ppm时,当X射线衍射中尖晶石晶体结构(110),(210),(211)和(311)的各自的积分强度分别为I110,I210,I211时,满足下式(1) 和I311,在6.5mm间隙处的50V的电阻率R50为5×10 7至7×10 8Ω,并且6.5mm间隙的V电阻率R1000为1×107至8×108Om。 <?in-line-formula description =“In-line formula”end =“lead”?> 2 <100x(I110 + I210 + I211)/ I311 <14(1)<?in-line-formula description =“In “公式”end =“tail”?>