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    Negatively chargeable toner for developing electrostatic latent images
    32.
    发明授权
    Negatively chargeable toner for developing electrostatic latent images 有权
    用于显影静电潜像的负电荷调色剂

    公开(公告)号：US6025107A

    公开(公告)日：2000-02-15

    申请号：US168277

    申请日：1998-10-08

    申请人： Yoshitaka Sekiguchi ,  Tetsuo Sano ,  Kenichi Kido

    发明人： Yoshitaka Sekiguchi ,  Tetsuo Sano ,  Kenichi Kido

    IPC分类号： G03G9/087 ,  G03G9/08 ,  G03G9/09 ,  G03G9/097

    CPC分类号： G03G9/0975 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/08795

    摘要： The negatively chargeable toner of the present invention comprises negatively chargeable toner particles including a boron compound, and exterior additive particles adhered to the surface of the toner particle and comprising hydrophobic silica particles and metal titanate particles, wherein the additive weight ratio of said hydrophobic silica particles and metal titanate particles is within a range of 5:1 to 1:1.2, and a total specific surface area S of the exterior additive particles is 40 to 120.

    摘要翻译： 本发明的带负电荷的调色剂包括含有硼化合物的负带电性调色剂颗粒和附着在调色剂颗粒表面上并包含疏水二氧化硅颗粒和金属钛酸盐颗粒的外部添加剂颗粒，其中所述疏水二氧化硅颗粒的添加重量比 金属钛酸盐粒子在5:1〜1:1.2的范围内，外部添加剂粒子的总比表面积S为40〜120。

    Negatively chargeable toner for developing electrostatic latent image
    33.
    发明授权
    Negatively chargeable toner for developing electrostatic latent image 失效
    用于显影静电潜像的负电荷调色剂

    公开(公告)号：US5804350A

    公开(公告)日：1998-09-08

    申请号：US947907

    申请日：1997-10-09

    申请人： Yoshitaka Sekiguchi ,  Tetsuo Sano ,  Kenichi Kido ,  Hiroyuki Fukuda

    发明人： Yoshitaka Sekiguchi ,  Tetsuo Sano ,  Kenichi Kido ,  Hiroyuki Fukuda

    IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/097

    CPC分类号： G03G9/09775 ,  G03G9/0821 ,  G03G9/09783

    摘要： The present invention relates to a negatively chargeable toner comprising at least a binder resin, carbon black, and charge controller, wherein said charge controller is a colorless or white in color boron compound, and wherein a melt viscosity curve of said negatively chargeable toner has an inflection point of a viscosity slope, an inflection point temperature (T.sub.2) existing within a temperature range of T.sub.1 +20.degree. C. to T.sub.1 +40.degree. C. relative to a flow start temperature (T.sub.1), a first absolute value (.DELTA..eta..sub.1) existing within a range of 4.0.times.10.sup.-2 to 6.0.times.10.sup.-2, said first absolute value. (.DELTA..eta..sub.1) being a mean viscosity slope within a temperature range below the inflection point temperature (T.sub.2), a second absolute value (.DELTA..eta..sub.2) existing less than 2.0.times.10.sup.-2, said second absolute value (.DELTA..eta..sub.2) being a mean viscosity slope within a temperature range higher than said inflection point temperature (T.sub.2) is less than 2.0.times.10.sup.-2, and a temperature difference between said inflection point temperature (T.sub.2) and a flow stop temperature (T.sub.3) being 5.degree. C. or more.

    摘要翻译： 本发明涉及至少包含粘合剂树脂，炭黑和充电控制器的带负电荷的调色剂，其中所述充电控制器是无色或白色的硼化合物，并且其中所述带负电荷的调色剂的熔体粘度曲线具有 粘度斜率的拐点，相对于流动开始温度（T1）存在于T1 + 20℃至T1 + 40℃的温度范围内的拐点温度（T2），第一绝对值（DELTA eta 1）存在于4.0×10 -2至6.0×10 -2的范围内，即所述第一绝对值。 （DELTA eta 1）是低于拐点温度（T2）的温度范围内的平均粘度斜率，小于2.0×10 -2的第二绝对值（DELTA eta 2），所述第二绝对值（DELTA eta 2）为 在高于所述拐点温度（T2）的温度范围内的平均粘度斜率小于2.0×10 -2，所述拐点温度（T2）和流动停止温度（T3）之间的温度差为5℃。 或者更多。

    Negatively chargeable toner for developing electrostatic latent image
    34.
    发明授权
    Negatively chargeable toner for developing electrostatic latent image 失效
    用于显影静电潜像的负电荷调色剂

    公开(公告)号：US5776647A

    公开(公告)日：1998-07-07

    申请号：US948525

    申请日：1997-10-09

    申请人： Kenichi Kido ,  Tetsuo Sano ,  Yoshitaka Sekiguchi ,  Hiroyuki Fukuda

    发明人： Kenichi Kido ,  Tetsuo Sano ,  Yoshitaka Sekiguchi ,  Hiroyuki Fukuda

    IPC分类号： G03G9/097

    CPC分类号： G03G9/09791 ,  G03G9/0975 ,  G03G9/09775 ,  G03G9/09783

    摘要： The negatively chargeable toner of the present invention includes a boron compound expressed by the chemical structural formula (A): ##STR1## wherein R.sub.1 and R.sub.3 respectively represent substituted or non-substituted aryl group, R.sub.2 and R.sub.4 respectively represent hydrogen atom, alkyl group, substituted or non-substituted aryl group, X represents a cation, and n is an integer of either 1 or 2; to improve charge rise characteristics and charging stability.

    摘要翻译： 本发明的带负电荷的调色剂包括由化学结构式（A）表示的硼化合物：其中R 1和R 3分别表示取代或未取代的芳基，R 2和R 4分别表示氢原子， 烷基，取代或未取代的芳基，X表示阳离子，n是1或2的整数; 以提高充电特性和充电稳定性。

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    38.
    发明申请
    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
    图像形成装置和图像形成方法

    公开(公告)号：US20090169270A1

    公开(公告)日：2009-07-02

    申请号：US12342656

    申请日：2008-12-23

    申请人： Kazuoki FUWA ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Hiroaki Kato

    发明人： Kazuoki FUWA ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Hiroaki Kato

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0808 ,  G03G9/0819 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G15/0818 ,  G03G2215/0607

    摘要： Provided is an image forming apparatus including at least a latent image bearing member, a latent electrostatic image forming unit, a developing unit which includes at least a developing roller and a supply roller, and a transfer unit, wherein both of a diameter R (mm) of the developing roller and a diameter R′ (mm) of the supply roller are 12 mm or less; the toner contains at least a binder resin, a wax, and a colorant with the wax having a melting point of 75° C. or less; an amount of the wax exposed on a surface of the toner is 10 mg/g to 30 mg/g; and when a diameter (mm) of the developing roller is represented by R the toner has a torque T (mNm) satisfying the inequation, 20/R

    摘要翻译： 提供了一种图像形成装置，其至少包括潜像承载部件，静电潜像形成单元，至少包括显影辊和供给辊的显影单元和转印单元，其中直径R（mm ）和供给辊的直径R'（mm）为12mm以下; 调色剂至少含有粘合剂树脂，蜡和着色剂，蜡的熔点为75℃以下; 在调色剂表面上露出的蜡的量为10mg / g至30mg / g; 并且当显影辊的直径（mm）由R表示时，调色剂具有满足不等式20 / R

    Image forming apparatus and image forming method
    40.
    发明授权
    Image forming apparatus and image forming method 有权
    图像形成装置及图像形成方法

    公开(公告)号：US07979010B2

    公开(公告)日：2011-07-12

    申请号：US12342656

    申请日：2008-12-23

    申请人： Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Hiroaki Kato

    发明人： Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Hiroaki Kato

    IPC分类号： G03G15/08 ,  G03G9/00

    CPC分类号： G03G15/0808 ,  G03G9/0819 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G15/0818 ,  G03G2215/0607

    摘要： Provided is an image forming apparatus including at least a latent image bearing member, a latent electrostatic image forming unit, a developing unit which includes at least a developing roller and a supply roller, and a transfer unit, wherein both of a diameter R (mm) of the developing roller and a diameter R′ (mm) of the supply roller are 12 mm or less; the toner contains at least a binder resin, a wax, and a colorant with the wax having a melting point of 75° C. or less; an amount of the wax exposed on a surface of the toner is 10 mg/g to 30 mg/g; and when a diameter (mm) of the developing roller is represented by R the toner has a torque T (mNm) satisfying the inequation, 20/R

    摘要翻译： 提供了一种图像形成装置，其至少包括潜像承载部件，静电潜像形成单元，至少包括显影辊和供给辊的显影单元和转印单元，其中直径R（mm ）和供给辊的直径R'（mm）为12mm以下; 调色剂至少含有粘合剂树脂，蜡和着色剂，蜡的熔点为75℃以下; 在调色剂表面上露出的蜡的量为10mg / g至30mg / g; 并且当显影辊的直径（mm）由R表示时，调色剂具有满足不等式20 / R