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    Negatively chargeable toner for developing electrostatic latent images
    2.
    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
    3.
    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
    4.
    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。

    Toner for developing electrostatic latent image
    8.
    发明授权
    Toner for developing electrostatic latent image 失效
    用于显影静电潜像的调色剂

    公开(公告)号：US5792583A

    公开(公告)日：1998-08-11

    申请号：US572124

    申请日：1995-12-14

    申请人： Tetsuo Sano ,  Yoshitaka Sekiguchi

    发明人： Tetsuo Sano ,  Yoshitaka Sekiguchi

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/08704 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  Y10S430/104 ,  Y10S430/105

    摘要： The present invention provides a toner for developing an electrostatic latent image comprising:a colorant; and binder resin including a low-molecular component having a weight-average molecular weight from 3,000 to 15,000 which is obtained by gel permeation chromatography (GPC), said low-molecular component being included from 60 percent-by-weight to 80 percent-by-weight with respect to the binder resin.

    摘要翻译： 本发明提供一种用于显影静电潜像的调色剂，包括：着色剂; 和包含通过凝胶渗透色谱法（GPC）获得的重均分子量为3000〜15000的低分子成分的粘合剂树脂，所述低分子量成分由60重量％〜80重量％ - 相对于粘合剂树脂。

    Toner for developing a digital image
    10.
    发明授权
    Toner for developing a digital image 失效
    用于开发数字图像的墨粉

    公开(公告)号：US5541030A

    公开(公告)日：1996-07-30

    申请号：US397943

    申请日：1995-03-03

    申请人： Tetsuo Sano ,  Masao Nakajima ,  Hideaki Tsukamoto ,  Yoshitaka Sekiguchi ,  Hiroyuki Fukuda

    发明人： Tetsuo Sano ,  Masao Nakajima ,  Hideaki Tsukamoto ,  Yoshitaka Sekiguchi ,  Hiroyuki Fukuda

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/083 ,  G03G9/097

    CPC分类号： G03G9/08755 ,  G03G9/08704 ,  G03G9/08726

    摘要： A toner for developing a digital-image and being fused onto a recording medium by heat and pressure, said toner comprising: a coloring agent; a first polyester resin having a softening temperature of 105.degree. C..about.112.degree. C.; a second polyester resin having a softening temperature of 150.degree. C..about.155.degree. C. wherein a mix ratio of the first resin to the second resin is between from 75/25 to 40/60 and an oxided polyolefine. Said toner has a characteristics of a high reproductivity of a digital dot image, a high fixing-strength, a wide range of an offset boundary temperature and an anti-filming property.

    摘要翻译： 一种用于显影数字图像并通过加热和加压熔化在记录介质上的调色剂，所述调色剂包括：着色剂; 第一种聚酯树脂，其软化温度为105℃。差热112℃。 软化温度为150℃的第二聚酯树脂。差异155℃，其中第一树脂与第二树脂的混合比为75/25至40/60和氧化聚烯烃。 所述调色剂具有数字点图像的高再现性，高定影强度，宽范围的偏移边界温度和抗成像性的特性。