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    Non-magnetic particles for black toner and black toner using the same
    4.
    发明公开
    Non-magnetic particles for black toner and black toner using the same 审中-公开
    Nichtmagnetische Teilchenfürschwarze Toner und Solche Teilchen enthaltende Toner

    公开(公告)号：EP1172706A1

    公开(公告)日：2002-01-16

    申请号：EP01306025.6

    申请日：2001-07-12

    申请人： Toda Kogyo Corporation

    发明人： Hayashi, Kazuyuki ,  Shimohata, Yusuke ,  Iwasaki, Keisuke ,  Morii, Hiroko

    IPC分类号： G03G9/09 ,  G03G9/097

    CPC分类号： G03G9/09708 ,  G03G9/0902

    摘要： Non-magnetic composite particles suitable for a black toner have an average particle diameter of 0.06 to 1.0 µ m, and comprise:

    (a) hematite particles,
    (b) a coating on the surface of said hematite particles, comprising at least one organosilicon compound selected from:

    (1) organosilane compounds obtainable from alkoxysilane compounds, and
    (2) polysiloxanes or modified polysiloxanes, and

    (c) an organic blue-based pigment coat which is provided on said coating (b), in an amount of from 1 to 50 parts by weight per 100 parts by weight of said hematite particles.

    摘要翻译： 适用于黑色调色剂的非磁性复合颗粒的平均粒径为0.06至1.0μm，并包括：（a）赤铁矿颗粒，（b）所述赤铁矿颗粒表面上的涂层，包含至少一种有机硅化合物 选自：（1）可从烷氧基硅烷化合物得到的有机硅烷化合物和（2）聚硅氧烷或改性聚硅氧烷，和（c）在所述涂层（b）上设置的有机蓝基颜料涂层，其量为1〜 相对于100重量份的所述赤铁矿颗粒为50重量份。

    Magnetic recording medium
    6.
    发明公开
    Magnetic recording medium 审中-公开
    磁记录介质

    公开(公告)号：EP0957474A1

    公开(公告)日：1999-11-17

    申请号：EP99303761.3

    申请日：1999-05-14

    申请人： TODA KOGYO CORPORATION

    发明人： Hayashi, Kazuyuki ,  Morii, Hiroko ,  Kamigaki, Mamoru ,  Tanaka, Yasuyuki ,  Iwasaki, Keisuke

    IPC分类号： G11B5/72 ,  G11B5/712 ,  C09C3/12

    CPC分类号： G11B5/712 ,  B82Y30/00 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/50 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2004/82 ,  C01P2004/84 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/42 ,  C01P2006/60 ,  C01P2006/62 ,  C01P2006/80 ,  C09C3/006 ,  C09C3/12

    摘要： A magnetic recording medium comprising:

    (a) a non-magnetic base film; and
    (b) a magnetic recording layer comprising a binder resin and black magnetic acicular composite particles which have an average particle diameter of 0.051 to 0.72 µm and which comprise:

    magnetic acicular particles,
    a coating on the surface of said magnetic acicular particles, comprising at least one organosilicon compound selected from:

    (1) organosilane compounds obtainable by drying or heat-treating alkoxysilane compounds,
    (2) polysiloxanes or modified polysiloxanes, and
    (3) fluoroalkyl organosilane compounds obtainable by drying or heat-treating fluoroalkylsilane compounds, and

    from 0.5 to 10 parts by weight, per 100 parts by weight of said magnetic acicular particles, of carbon black particles which have a particle size of 0.002 to 0.05 µm and which are adhered to said coating.

    摘要翻译： 一种磁记录介质，包括：（a）非磁性基膜; 和（b）包含粘合剂树脂和平均粒径为0.051-0.72μm的黑色磁性复合颗粒的磁性记录层，它包括：磁性针状颗粒，在所述磁性针状颗粒表面上的涂层，其包含在 （1）通过干燥或热处理烷氧基硅烷化合物获得的有机硅烷化合物，（2）聚硅氧烷或改性聚硅氧烷，和（3）通过干燥或热处理氟烷基硅烷化合物获得的氟烷基有机硅烷化合物，和 相对于每100重量份磁性针状颗粒，含有10重量份的粒径为0.002-0.05微米且粘附在所述涂层上的炭黑颗粒。