公开(公告)号：US5643705A

公开(公告)日：1997-07-01

申请号：US540025

申请日：1995-09-28

申请人： Satoshi Inoue ,  Chiaki Suzuki ,  Tetsu Torigoe ,  Shuji Sato ,  Takahisa Fujii

发明人： Satoshi Inoue ,  Chiaki Suzuki ,  Tetsu Torigoe ,  Shuji Sato ,  Takahisa Fujii

IPC分类号： G03G9/08 ,  G03G9/083 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08782

摘要： The present invention provides a toner for developing an electrostatic image which inhibits the filming of a wax on the development sleeve and photoreceptor to obtain a stable image. The present invention also provides a toner for developing an electrostatic image which provides a practically sufficiently wide fixing latitude. The present invention further provides an image formation process for forming a copied image with an excellent dot reproducibility, fine line reproducibility and gradation. A novel toner for developing an electrostatic image is provided, which comprises a particulate toner containing a polyolefin wax and a modified polyolefin wax, wherein the average diameter of wax particles dispersed in the particulate toner is not more than 0.5 .mu.m and the amount of wax exposed on the surface of said particulate toner is from 40 to 65% by weight. The particulate toner may comprise a finely divided magnetic powder in an amount of from 30 to 70% by weight. The content of modified polyolefin wax in the particulate toner is preferably greater than that of polyolefin wax.

摘要翻译： 本发明提供一种用于显影静电图像的调色剂，其抑制显影套筒和感光体上的蜡的成膜以获得稳定的图像。 本发明还提供一种用于显影静电图像的调色剂，其提供了实际上足够宽的固定宽度。 本发明还提供了一种用于形成具有优异的点再现性，细线再现性和灰度的复印图像的图像形成处理。 提供了用于显影静电图像的新型调色剂，其包含含有聚烯烃蜡和改性聚烯烃蜡的颗粒调色剂，其中分散在颗粒调色剂中的蜡颗粒的平均直径不大于0.5μm，蜡的量 在所述颗粒调色剂的表面上暴露的重量比为40-65％。 颗粒调色剂可以包含30至70重量％的细碎磁粉。 颗粒调色剂中改性聚烯烃蜡的含量优选大于聚烯烃蜡的含量。

公开(公告)号：US5612159A

公开(公告)日：1997-03-18

申请号：US518995

申请日：1995-08-24

申请人： Shuji Sato ,  Chiaki Suzuki ,  Tetsu Torigoe ,  Satoshi Inoue ,  Takahisa Fujii

发明人： Shuji Sato ,  Chiaki Suzuki ,  Tetsu Torigoe ,  Satoshi Inoue ,  Takahisa Fujii

IPC分类号： G03G9/08 ,  G03G5/06 ,  G03G5/08 ,  G03G9/097 ,  G03G13/08 ,  G03G13/16

CPC分类号： G03G9/09716 ,  G03G13/08

摘要： A toner composition for electrostatic charge development having high cleaning property and inhibiting wear of a photoreceptor, filming and deletion. The toner composition comprises toner particles and fluorine-containing cerium oxide fine particles added to the toner particles. The fluorine content of the fluorine-containing cerium oxide fine particles is from 0.1 to 10% by weight. The toner composition is used in an image forming process comprising the steps of (a) charging a latent image carrier, (b) forming an electrostatic latent image on the latent image carrier, (c) developing the electrostatic latent images with a developing agent to form a toner image, (d) transferring the resulting toner image to a receiving material, and (e) removing a toner remaining on the latent image carrier.

摘要翻译： 用于静电荷显影的调色剂组合物具有高清洁性能并抑制感光体的磨损，成膜和缺失。 调色剂组合物包含调色剂颗粒和添加到调色剂颗粒中的含氟氧化铈细颗粒。 含氟氧化铈微粒的氟含量为0.1〜10重量％。 调色剂组合物用于图像形成方法，包括以下步骤：（a）将潜像载体充电，（b）在潜像载体上形成静电潜像，（c）用显影剂将静电潜像显影至 形成调色剂图像，（d）将所得到的调色剂图像转印到接收材料，和（e）除去残留在潜像载体上的调色剂。

公开(公告)号：US5612160A

公开(公告)日：1997-03-18

申请号：US523136

申请日：1995-09-05

申请人： Satoshi Inoue ,  Chiaki Suzuki ,  Tetsu Torigoe ,  Shuji Sato ,  Takahisa Fujii

发明人： Satoshi Inoue ,  Chiaki Suzuki ,  Tetsu Torigoe ,  Shuji Sato ,  Takahisa Fujii

IPC分类号： G03G9/08 ,  G03G9/083 ,  G03G9/087 ,  G03G9/097 ,  G03G15/20

CPC分类号： G03G9/09708 ,  G03G9/08704 ,  G03G9/0825 ,  G03G9/08782

摘要： An electrostatic charge developing toner composition comprising (i) toner particles containing a low-molecular weight polypropylene wax and/or a low-molecular weight polyethylene wax, having a volume average particle size of from 4 to 9 .mu.m, and an exposed amount (X% by weight) of the wax on the surface of the toner in the range of 40.ltoreq.X.ltoreq.65, and (ii) abrasive fine particles having an average particle size of from 0.5 to 5.5 .mu.m, and an image-forming process using the toner.By the toner composition, the occurrence of filming with the wax in the toner particles is prevented and images excellent in the development stability with the passage of time can be formed.

摘要翻译： 一种静电荷显影调色剂组合物，其包含（i）包含体积平均粒度为4至9μm的低分子量聚丙烯蜡和/或低分子量聚乙烯蜡的调色剂颗粒和曝光量（ X重量％）在调色剂表面上的蜡在40％≤65范围内，和（ii）平均粒度为0.5-5.5μm的磨料细颗粒，和 使用调色剂的图像形成处理。 通过该调色剂组合物，可以防止在调色剂颗粒中发生与蜡的成膜，并且可以形成显影稳定性随时间优异的图像。

公开(公告)号：US06613491B2

公开(公告)日：2003-09-02

申请号：US10003088

申请日：2001-12-06

申请人： Satoshi Inoue ,  Masahiro Takagi ,  Kaori Ohishi ,  Rieko Kataoka ,  Fusako Kiyono ,  Atsuhiko Eguchi ,  Chiaki Suzuki

发明人： Satoshi Inoue ,  Masahiro Takagi ,  Kaori Ohishi ,  Rieko Kataoka ,  Fusako Kiyono ,  Atsuhiko Eguchi ,  Chiaki Suzuki

IPC分类号： G03G908

CPC分类号： G03G9/09725 ,  G03G9/0827 ,  G03G9/09708 ,  G03G9/09716

摘要： In an electrophotographic developer and a process for forming an image, an electrophotographic toner used therein contains spherical toner parent particles and two or more kinds of inorganic particles having different average particle diameters, at least one kind of the inorganic fine particles being spherical particles having an average primary particle diameter of about 80 to 300 nm, and the inorganic particles containing the spherical particles being attached to the toner parent particles to provide a structure satisfying the following conditions (1) and (2): (1) the spherical particles have a coverage on a surface of the toner parent particles of about 20% or more; and (2) a proportion of the inorganic particles that are separated from the toner parent particles upon dispersing the toner in an aqueous solution is about 35% or less of a total addition amount of the inorganic particles.

摘要翻译： 在电子照相显影剂和形成图像的方法中，其中使用的电子照相调色剂含有球形调色剂母体颗粒和两种或更多种具有不同平均粒径的无机颗粒，至少一种无机细颗粒是具有 平均一次粒径为约80〜300nm，将含有球状粒子的无机粒子附着在调色剂母粒上，得到满足下述条件（1）和（2）的结构：（1）球状粒子具有 调色剂母粒子表面上的覆盖率为约20％以上; 和（2）将调色剂分散在水溶液中时与调色剂母体颗粒分离的无机颗粒的比例为无机颗粒总添加量的约35％以下。

公开(公告)号：US5821023A

公开(公告)日：1998-10-13

申请号：US862701

申请日：1997-05-23

申请人： Yuusaku Shibuya ,  Yasuhiro Oya ,  Haruhide Ishida ,  Susumu Yoshino ,  Hirokazu Hamano ,  Kaori Ohishi ,  Satoshi Inoue ,  Jun Igarashi ,  Chiaki Suzuki ,  Sueko Sakai

发明人： Yuusaku Shibuya ,  Yasuhiro Oya ,  Haruhide Ishida ,  Susumu Yoshino ,  Hirokazu Hamano ,  Kaori Ohishi ,  Satoshi Inoue ,  Jun Igarashi ,  Chiaki Suzuki ,  Sueko Sakai

IPC分类号： G03G9/113 ,  G03G13/08 ,  G03G15/08

CPC分类号： G03G9/113 ,  G03G9/1131

摘要： The present invention provides a long-life carrier for developing an electrostatic latent image to be used in such field of applications as electrostatic photography and electrostatic recording, a developer of an electrostatic latent image utilizing said carrier, a method for forming an image and an image forming apparatus by using said developer. By use of the foregoing qualities, a high-quality image can be obtained.

摘要翻译： 本发明提供一种用于显影静电潜像的长寿命载体，用于静电摄影和静电记录等应用领域，利用所述载体的静电潜像的显影剂，形成图像和图像的方法 通过使用所述显影剂形成装置。 通过使用上述质量，可以获得高质量的图像。

公开(公告)号：US06746810B2

公开(公告)日：2004-06-08

申请号：US10105255

申请日：2002-03-26

申请人： Chiaki Suzuki ,  Masahiro Takagi ,  Atsuhiko Eguchi ,  Satoshi Inoue ,  Sakon Takahashi ,  Masahiro Uchida ,  Rieko Kataoka ,  Hiroyuki Fukuda ,  Fusako Kiyono ,  Eiji Iwasaki

发明人： Chiaki Suzuki ,  Masahiro Takagi ,  Atsuhiko Eguchi ,  Satoshi Inoue ,  Sakon Takahashi ,  Masahiro Uchida ,  Rieko Kataoka ,  Hiroyuki Fukuda ,  Fusako Kiyono ,  Eiji Iwasaki

IPC分类号： G03G2110

CPC分类号： G03G9/10 ,  G03G9/0827 ,  G03G9/09725 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1133 ,  G03G9/1134 ,  G03G9/1135

摘要： An image formation method which remarkably extends developer life while providing size reduction and high speed coloring. Also, a replenishing toner and a method of producing the same, and a toner cartridge. In the image formation method, conducting image formation by an image formation apparatus having a plurality of xerography units, the developer apparatus of at least one xerography unit has a developer recovering mechanism appropriately replenishing a replenishing toner composed of a toner and a carrier into the developer apparatus and recovering an excess portion of a developer from the equipment. The above-mentioned replenishing toner has a carrier content in the range of 5 to 40% by weight, the above-mentioned carrier is a carrier coated with a resin having a specific composition, and/or the above-mentioned toner is in a specific shape. The replenishing toner may be produced using the above-mentioned recovered developer.

摘要翻译： 一种图像形成方法，其显着延长显影剂寿命，同时提供尺寸减小和高速着色。 此外，补充调色剂及其制造方法以及调色剂盒。 在图像形成方法中，通过具有多个静电复印单元的图像形成装置进行图像形成，至少一个静电复印单元的显影装置具有显影剂回收机构，适当地将由调色剂和载体构成的补充调色剂补充到显影剂中 从设备中回收多余的显影剂。 上述补充调色剂的载体含量在5-40重量％的范围内，上述载体是涂覆有具有特定组成的树脂的载体，和/或上述调色剂是特定的 形状。 可以使用上述回收的显影剂来制造补充调色剂。

公开(公告)号：US6042979A

公开(公告)日：2000-03-28

申请号：US200453

申请日：1998-11-27

申请人： Kaori Ohishi ,  Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Tetsuya Taguchi ,  Sueko Sakai

发明人： Kaori Ohishi ,  Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Tetsuya Taguchi ,  Sueko Sakai

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/113 ,  G03G15/08 ,  G03G13/01

CPC分类号： G03G9/09708 ,  G03G9/0827

摘要： The present invention provides toner for an electrostatic latent image developer, said toner being excellent in fluidity, chargeability, developability, transferability, and freedom from fogging on a photoreceptor and contamination of the interior of a developing device. The toner for an electrostatic latent image developer comprises spherical toner particles characterized by a shape index ML.sup.2 /A of less than 125 and has a correlation coefficient between X.sup.2/3 and Y, obtained by linear regression with respect to a straight line which passes through the origin of coordinate axes, of more than 0.6 where X is the light emitting voltage due to the carbon derived from the binder resin of the toner particles and Y is the light emitting voltage due to the element derived from the external additive.

摘要翻译： 本发明提供一种用于静电潜像显影剂的调色剂，所述调色剂具有优异的流动性，带电性，显影性，转印性，并且不受感光体起雾和显影装置内部的污染。 用于静电潜像显影剂的调色剂包括球形调色剂颗粒，其特征在于小于125的形状指数ML2 / A，并且具有通过线性回归获得的X + E，fra 2/3 + EE和Y之间的相关系数 通过坐标轴原点的直线大于0.6，其中X是由于来自调色剂颗粒的粘合剂树脂的碳而导致的发光电压，Y是由于源自调色剂颗粒的元素导致的发光电压 外加剂。

公开(公告)号：US5908726A

公开(公告)日：1999-06-01

申请号：US934855

申请日：1997-09-22

申请人： Satoshi Inoue ,  Chiaki Suzuki ,  Atsuhiko Eguchi

发明人： Satoshi Inoue ,  Chiaki Suzuki ,  Atsuhiko Eguchi

IPC分类号： G03G9/08 ,  G03G9/083 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08755 ,  G03G9/0837 ,  G03G9/08704

摘要： An electrophotographic toner includes a binder resin including a linear polyester such as a polyester formed by condensation of an ethylene oxide adduct of a bisphenole A with a terephthalic acid, and a non-linear polyester such as a polyester formed by condensation of a mixture of an ethylene oxide adduct of a bisphenole A and a glycerin with a terephthalic acid; and, as a magnetic substance, a polyhedral magnetite of not more facets than a hexacosahedron and not less facets than a decahedron. The toner has an excellent fixing property at low temperature, an anti-offset property and a wide fixing latitude.

摘要翻译： 电子照相调色剂包括粘合剂树脂，其包括线性聚酯，例如通过双酚A的环氧乙烷加成物与对苯二甲酸的缩合形成的聚酯，以及非线性聚酯，例如通过将 双酚A和甘油与对苯二甲酸的环氧乙烷加成物; 并且作为磁性物质，不如六面体具有更多小面的多面磁体，并且不如十面体那样小。 该调色剂在低温下具有优异的定影性能，抗偏移性和宽的固定宽度。

公开(公告)号：US5821022A

公开(公告)日：1998-10-13

申请号：US858504

申请日：1997-05-19

申请人： Kaori Ohishi ,  Susumu Yoshino ,  Satoshi Inoue ,  Chiaki Suzuki ,  Sueko Sakai

发明人： Kaori Ohishi ,  Susumu Yoshino ,  Satoshi Inoue ,  Chiaki Suzuki ,  Sueko Sakai

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/113 ,  G03G15/08 ,  G03G9/10

CPC分类号： G03G9/1134 ,  G03G9/1131 ,  G03G9/1135

摘要： A carrier for developing an electrostatic latent image comprising a core material coated with a resin layer, wherein the F/N ratio of the surface of the resin layer ranges from 1 to 20. It is desirable that the resin layer include resin particles containing a nitrogen atom, that the average particle diameter of the nitrogen-atom-containing resin be in a range from 0.1 to 2 .mu.m, that the thickness of the resin layer be in a range from 0.1 to 10 .mu.m, that the resin layer include an electroconductive material which is in a condition to be dispersed in the resin layer, that the electroconductive material be made of carbon black, and that the average particle diameter of the carrier for developing an electrostatic latent image be in a range from 30 to 150 .mu.m. The carrier for developing an electrostatic latent image, which is long-lived, provided with a charging capability unchanged over time, and is capable of effectively preventing fogging are provided.

摘要翻译： 一种用于显影静电潜像的载体，包括涂覆有树脂层的芯材料，其中树脂层的表面的F / N比为1至20。希望树脂层包括含有氮的树脂颗粒 原子，含氮原子的树脂的平均粒径为0.1〜2μm，树脂层的厚度为0.1〜10μm，树脂层的厚度为 导电材料为分散在树脂层中的导电材料，导电材料由炭黑制成，静电潜像显影用载体的平均粒径为30〜150μm 。 提供长寿命的静电潜像显影载体，具有随时间不变的充电能力，并且能够有效地防止起雾。

公开(公告)号：US06517985B2

公开(公告)日：2003-02-11

申请号：US10000302

申请日：2001-12-04

申请人： Masahiro Takagi ,  Satoshi Inoue ,  Kaori Ohishi ,  Rieko Kataoka ,  Fusako Kiyono ,  Chiaki Suzuki

发明人： Masahiro Takagi ,  Satoshi Inoue ,  Kaori Ohishi ,  Rieko Kataoka ,  Fusako Kiyono ,  Chiaki Suzuki

IPC分类号： G03G908

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0823 ,  G03G9/0827 ,  G03G9/09 ,  G03G9/09708

摘要： An electrophotographic developer is provided that attains improvement in reliability by improvement in cleaning property and reduction in wear of a photoreceptor in a well-balanced manner without impairing high transfer efficiency and high image quality of a spherical toner. The electrophotographic developer contains a toner and a carrier, the toner containing spherical colored particles having an average shape factor (ML2/A) of about from 100 to 135 and irregular-shaped non-colored particles having a volume average particle diameter of about from 1 to 10 &mgr;m, a charge distribution of the developer having a peak value Q/Ma ascribable to the spherical colored particles and a peak value Q/Mb ascribable to the irregular-shaped non-colored particles, and the peak value Q/Ma and the peak value Q/Mb satisfying both the following formulae (1) and (2): 20 &mgr;C/g≦|Q/Ma|≦85 &mgr;C/g  (1) −0.7 Q/Ma≦Q/Mb≦0.5 Q/Ma  (2).

摘要翻译： 提供了一种电子照相显影剂，其通过改善清洁性能并且以良好平衡的方式降低感光体的磨损而不损害球形调色剂的高转印效率和高图像质量而提高可靠性。 电子照相显影剂含有调色剂和载体，调色剂含有平均形状因子（ML2 / A）为约100至135的球形着色颗粒和体积平均粒径为约1的不规则形状的无色颗粒 至10μm，具有归属于球形着色颗粒的峰值Q / Ma的显影剂的电荷分布和归因于不规则形状的无色颗粒的峰值Q / Mb，峰值Q / Ma和 满足下列公式（1）和（2）的峰值Q / Mb：