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    Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image
    3.
    发明授权
    Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image 有权
    用于电子照相的调色剂和使用其的电子照相显影剂，处理盒，用于形成图像的设备和用于形成图像的方法

    公开(公告)号：US07252914B2

    公开(公告)日：2007-08-07

    申请号：US10278900

    申请日：2002-10-24

    申请人： Yasushige Nakamura ,  Tomoaki Tanaka ,  Seijiro Ishimaru ,  Sadaaki Yoshida ,  Yoshimichi Katagiri

    发明人： Yasushige Nakamura ,  Tomoaki Tanaka ,  Seijiro Ishimaru ,  Sadaaki Yoshida ,  Yoshimichi Katagiri

    IPC分类号： G03G13/01 ,  G03G9/08

    CPC分类号： G03G9/08782 ,  G03G9/08704 ,  G03G9/08755 ,  G03G9/09733

    摘要： A toner for electrophotography fulfilling both the fixability and the void resistance at high level, and forms a high-quality image. The toner for electrophotography contains: a binder resin; and a wax component which contains: a first wax having an endothermic peak in a temperature region of 60 to 90° C., the endothermic peak occurring in the temperature-rising stage of a DSC curve determined by a differential scanning calorimeter, and having a molecular weight distribution (weight-average molecular weight (Mw)/number-average molecular weight (Mn)) of 1.5 or less, and substantially not containing a component having 500 Mw or less; and at least any of a second wax having an endothermic peak in a temperature region of 100 to 150° C. and the molecular weight distribution of 5 to 20; and a third wax having an endothermic peak in a temperature region of 150 to 170° C. and the molecular weight distribution of 1.1 or more.

    摘要翻译： 用于电子照相的调色剂既满足高定位性和空隙阻力，又形成高质量的图像。 用于电子照相的调色剂包含：粘合剂树脂; 蜡组分，其含有：在60〜90℃的温度范围内具有吸热峰的第一蜡，在由差示扫描量热计测定的DSC曲线的升温阶段中发生的吸热峰，具有 分子量分布（重均分子量（Mw）/数均分子量（Mn））为1.5以下，基本上不含有500分米以下的成分; 以及在100〜150℃的温度区域和5〜20的分子量分布中具有吸热峰的第二蜡中的至少任意一种; 和在150〜170℃的温度范围内具有吸热峰的第三蜡，分子量分布为1.1以上。

    Electrophotographic toner and image forming method
    8.
    发明授权
    Electrophotographic toner and image forming method 有权
    电子照相调色剂和成像方法

    公开(公告)号：US06967070B2

    公开(公告)日：2005-11-22

    申请号：US09987464

    申请日：2001-11-14

    申请人： Yasushige Nakamura ,  Toru Takahashi ,  Tsuneo Watanuki ,  Norio Sawatari ,  Seijiro Ishimaru ,  Yasuyuki Furuse

    发明人： Yasushige Nakamura ,  Toru Takahashi ,  Tsuneo Watanuki ,  Norio Sawatari ,  Seijiro Ishimaru ,  Yasuyuki Furuse

    IPC分类号： G03G9/087 ,  G03G9/097 ,  G03G13/20

    CPC分类号： G03G9/08704 ,  G03G9/08742 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/09733 ,  G03G13/20

    摘要： An electrophotographic toner comprising a binder resin and a colorant, which is used in electrophotographic process employing a flash fixing system for fixation of a transferred toner image, wherein the binder resin is a polyester resin which partially contains a chloroform-insoluble content; and the toner contains a polypropylene resin and an ester type structure resin represented by the following formula (I); wherein p, q, m and n each represents a positive integer of 16 to 22 and R may be the same or different and each represents a hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms. The electrophotographic toner is capable of remarkably enhancing the fixation strength of the toner and inhibiting the occurrence of voids during the printing and the occurrence of fuming and odor during the fixation.

    摘要翻译： 一种电子照相调色剂，其包含粘合剂树脂和着色剂，其用于使用用于固定转印的调色剂图像的闪光固定系统的电子照相方法，其中所述粘合剂树脂是部分含有不溶于氯仿的内容物的聚酯树脂; 并且调色剂含有聚丙烯树脂和由下式（I）表示的酯型结构树脂; 其中p，q，m和n各自表示16〜22的正整数，R可以相同或不同，表示氢原子或碳原子数1〜4的低级烷基。 电子照相调色剂能够显着增强调色剂的固定强度，并且抑制印刷期间空隙的发生以及固定期间发烟和气味的发生。

    Toner for electrophotography, and developing agent, image formation device and image formation method using the same
    9.
    发明申请
    Toner for electrophotography, and developing agent, image formation device and image formation method using the same 审中-公开
    电子照相用调色剂，显影剂，图像形成装置及使用其的图像形成方法

    公开(公告)号：US20050014082A1

    公开(公告)日：2005-01-20

    申请号：US10493790

    申请日：2002-06-07

    申请人： Seijiro Ishimaru ,  Sadaaki Yoshida

    发明人： Seijiro Ishimaru ,  Sadaaki Yoshida

    IPC分类号： G03G9/083 ,  G03G9/09

    CPC分类号： G03G9/0837 ,  G03G9/0833 ,  G03G9/0835 ,  G03G9/0838 ,  G03G9/0839 ,  G03G9/09

    摘要： An object of the present invention is to provide an electrophotographic toner which has good fabrication property and excellent developing property, and can form an image having sufficient density and excellent fixing property. As a coloring material for the electrophotographic toner, a black pigment with substantially weak magnetic or non-magnetic property and having a predetermined particle size is used. The electrophotographic toner comprises: a binder resin; and particles containing manganese and iron and having a hematite structure, wherein manganese content is 3 to 30% by weight, an average particle size is 0.01 to 2.0 μm, and saturation magnetization (σs) is 2 emu/g or less, in the particles.

    摘要翻译： 本发明的目的是提供一种具有良好的制造性能和显影性优异的电子照相调色剂，并且可以形成具有足够的密度和优异的定影性能的图像。 作为电子照相调色剂的着色材料，使用具有基本上弱的磁性或非磁性并具有预定粒径的黑色颜料。 电子照相调色剂包括：粘合剂树脂; 含有锰和铁并具有赤铁矿结构的颗粒，其中锰含量为3〜30重量％，平均粒径为0.01〜2.0μm，饱和磁化强度（sigmas）为2emu / g以下。 。

    Toner for electrophotography, developing agent for electrophotography using the toner, image forming method, and image forming device
    10.
    发明授权
    Toner for electrophotography, developing agent for electrophotography using the toner, image forming method, and image forming device 有权
    用于电子照相的调色剂，使用调色剂的电子照相显影剂，成像方法和图像形成装置

    公开(公告)号：US06803165B2

    公开(公告)日：2004-10-12

    申请号：US10103569

    申请日：2002-03-22

    申请人： Seijiro Ishimaru ,  Yasushige Nakamura

    发明人： Seijiro Ishimaru ,  Yasushige Nakamura

    IPC分类号： G03G9097

    CPC分类号： G03G9/08755 ,  G03G9/08791

    摘要： A toner for electrophotography contains at least one kind of cyclic compound selected from cyclic oligomers and cyclic polymers substantially having no terminal group, and the image forming device includes at least an electrostatic latent image carrier, an electrostatic latent image forming means for forming electrostatic latent images on the electrostatic latent image carrier, a developing means for forming visible images by developing the electrostatic latent images containing a developing agent for electrophotography, and a transfer means for transferring the visible images to a transfer material. Thus, the present invention provides a toner for electrophotography capable of providing well-balanced electrostatic property and fixing property during the image forming process in order to form images of high quality in a stable manner, and an image forming device.

    摘要翻译： 用于电子照相的调色剂含有至少一种选自环状低聚物和基本上不具有末端基团的环状聚合物的环状化合物，并且图像形成装置至少包括静电潜像载体，用于形成静电潜像的静电潜像形成装置 在静电潜像载体上，用于通过显影含有电子照相显影剂的静电潜像来形成可见图像的显影装置和用于将可见图像转印到转印材料的转印装置。 因此，本发明提供一种用于电子照相的调色剂，其能够在图像形成过程期间提供良好的平衡的静电特性和定影性，以便以稳定的方式形成高品质的图像和图像形成装置。