公开(公告)号：US06673502B2

公开(公告)日：2004-01-06

申请号：US09977300

申请日：2001-10-16

申请人： Sakon Takahashi ,  Hiroshi Nakazawa ,  Tomohito Nakajima ,  Masahiro Takagi ,  Atsuhiko Eguchi

发明人： Sakon Takahashi ,  Hiroshi Nakazawa ,  Tomohito Nakajima ,  Masahiro Takagi ,  Atsuhiko Eguchi

IPC分类号： G03G9113

CPC分类号： G03G9/1134

摘要： A carrier for the development of an electrostatic latent image, comprising a core material and a resin coating the core material therewith, wherein the coating resin comprises a copolymer of at least four kinds of monomers including: (1) a monomer containing a carboxyl group; (2) an acrylic acid alkylester monomer or methacrylic acid alkylester monomer, containing a C1-C3 linear alkyl group; (3) an acrylic acid alkylester monomer or methacrylic acid alkylester monomer, containing a C4-C10 linear alkyl group or C3-C10 branched alkyl group; and (4) a monomer containing fluorine. Also disclosed is a two-component developer for the development of an electrostatic latent image, comprising a toner and the carrier.

摘要翻译： 一种用于显影静电潜像的载体，包括芯材和涂覆芯材的树脂，其中涂料树脂包含至少四种单体的共聚物，包括：（1）含羧基的单体; （2）含有C 1 -C 3直链烷基的丙烯酸烷基酯单体或甲基丙烯酸烷基酯单体; （3）含有C 4 -C 10直链烷基或C 3 -C 10支链烷基的丙烯酸烷基酯单体或甲基丙烯酸烷基酯单体; 和（4）含氟的单体。 还公开了用于显影静电潜像的双组分显影剂，其包括调色剂和载体。

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：US20120014732A1

公开(公告)日：2012-01-19

申请号：US13171414

申请日：2011-06-28

申请人： Atsuhiko EGUCHI

发明人： Atsuhiko EGUCHI

IPC分类号： G03G15/00 ,  H02P8/38

CPC分类号： H02P23/14 ,  G03G15/6552 ,  G03G21/1695 ,  G03G2215/00772 ,  G03G2215/00776 ,  G03G2221/1657 ,  H02P29/64

摘要： Certain embodiments provide a motor driving control device including a motor driver, a storage device, and a control section. The motor driver supplies a motor driving current for driving a motor to the motor. The storage device stores a first data table in which temperature around the motor, a current value of the motor driving current set to prevent the motor from stepping out at the temperature, and a driving voltage set in the motor driver in order to cause the motor driver to output the motor driving current having the current value are associated with one another for each temperature around the motor. The control section controls the motor driver to output the motor driving current having a predetermined current value associated with the temperature around the motor in the first data table.

摘要翻译： 某些实施例提供一种包括马达驱动器，存储装置和控制部分的马达驱动控制装置。 电动机驱动器提供用于驱动马达到马达的马达驱动电流。 存储装置存储电动机周围的温度的第一数据表，设定电动机驱动电流的当前值，以防止电动机在温度下退出，以及设定在电动机驱动器中的驱动电压，以使电动机 用于输出具有电流值的电动机驱动电流的驱动器对于电动机周围的每个温度彼此相关联。 控制部分控制电动机驱动器输出具有与第一数据表中的电动机周围的温度相关联的预定电流值的电动机驱动电流。

公开(公告)号：US06268099B1

公开(公告)日：2001-07-31

申请号：US08861738

申请日：1997-05-22

申请人： Atsuhiko Eguchi ,  Chiaki Suzuki ,  Takayoshi Aoki

发明人： Atsuhiko Eguchi ,  Chiaki Suzuki ,  Takayoshi Aoki

IPC分类号： G03G9097

CPC分类号： G03G9/08782 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/1132

摘要： Disclosed herein are a toner comprising a binder resin, a coloring agent, and, as a lubricant, a polyethylene wax having a penetration of 5 to 12 dmm and a melt viscosity of less than or equal to 1.5 at 130° C., a process for the preparation thereof, a developer using the toner, and a method of forming images using the toner. According to the present invention, incomplete images in the transfer process can be prevented; excellent flowability is provided and the blocking phenomenon can be prevented; the transfer process can be carried out with less electric consumption. The offset resistance is also good, and the releasability is effectively exhibited at lower temperatures.

摘要翻译： 本文公开了一种调色剂，其包含粘合剂树脂，着色剂和作为润滑剂的在130℃下具有5至12dmm的渗透性和小于或等于1.5的熔体粘度的聚乙烯蜡， 为了制备它们，使用调色剂的显影剂，以及使用调色剂形成图像的方法。 根据本发明，可以防止转印过程中的不完整图像; 提供优异的流动性并且可以防止阻塞现象; 转移过程可以用较少的电力消耗进行。 耐偏移性也良好，并且在较低温度下有效显示脱模性。

公开(公告)号：US5958642A

公开(公告)日：1999-09-28

申请号：US102358

申请日：1998-06-23

申请人： Shinpei Takagi ,  Yasuhiro Oya ,  Etsuo Tominaga ,  Toyohumi Inoue ,  Tomohiro Takeda ,  Masahiro Uchida ,  Haruhide Ishida ,  Kouzou Ota ,  Hirokazu Hamano ,  Yusaku Shibuya ,  Jun Igarashi ,  Atsuhiko Eguchi ,  Yutaka Sugizaki

发明人： Shinpei Takagi ,  Yasuhiro Oya ,  Etsuo Tominaga ,  Toyohumi Inoue ,  Tomohiro Takeda ,  Masahiro Uchida ,  Haruhide Ishida ,  Kouzou Ota ,  Hirokazu Hamano ,  Yusaku Shibuya ,  Jun Igarashi ,  Atsuhiko Eguchi ,  Yutaka Sugizaki

IPC分类号： G03G9/083 ,  G03G9/08 ,  G03G9/087 ,  G03G9/113 ,  G03G15/08 ,  G03G9/097 ,  G03G13/22

CPC分类号： G03G9/08706 ,  G03G9/08704 ,  G03G9/08782

摘要： The toner for developing an electrostatic charge image comprises a colorant, a binding resin and a resin copolymer of aliphatic hydrocarbon and aromatic hydrocarbon having 9 or more of carbon atoms. Preferably, the toner further comprises a wax. The endothermic peak of the wax at DSC is preferably from 70 to 100.degree. C. The petroleum resin copolymer preferably has a ring and ball softening point of from 80 to 170.degree. C., and the binding resin is preferably a polyester resin. The weight ratio of the aromatic hydrocarbon monomer and the aliphatic hydrocarbon monomer of the petroleum resin copolymer is preferably from 99:1 to 50:50.

摘要翻译： 用于显影静电荷图像的调色剂包括着色剂，粘合树脂和脂族烃和具有9个或更多个碳原子的芳族烃的树脂共聚物。 优选地，调色剂还包含蜡。 DSC中的蜡的吸热峰优选为70〜100℃。石油树脂共聚物的环球软化点优选为80〜170℃，粘合树脂优选为聚酯树脂。 石油树脂共聚物的芳香族烃单体和脂肪族烃单体的重量比优选为99:1〜50:50。

公开(公告)号：US5928825A

公开(公告)日：1999-07-27

申请号：US668447

申请日：1996-06-21

申请人： Atsuhiko Eguchi ,  Hideki Sakai ,  Takeo Kigami ,  Chiaki Suzuki ,  Takayoshi Aoki

发明人： Atsuhiko Eguchi ,  Hideki Sakai ,  Takeo Kigami ,  Chiaki Suzuki ,  Takayoshi Aoki

IPC分类号： G03G9/087 ,  G03G9/097

CPC分类号： G03G9/08782

摘要： A toner for developing electrostatic latent images containing a binder resin, a colorant, and a lubricant, wherein the lubricant comprises a modified polyethylene wax which is obtained by homopolymerizing ethylene or copolymerizing ethylene and an .alpha.-olefin having 3 to 10 carbon atoms in the presence of a metallocene catalyst and modifying the resulting homo- or copolymer by grafting thereto a styrene monomer and/or an unsaturated carboxylic acid monomer, the lubricant having a hexane extraction of not more than 65% by weight. The toner exhibits release properties at a lower temperature and thereby has satisfactory anti-offset properties without impairing powder fluidity and anti-blocking properties. It provides a toner image resistant against scratches by a peeling claw of a fixing roll part and against rub-of.

摘要翻译： 用于显影含有粘合剂树脂，着色剂和润滑剂的静电潜像的调色剂，其中所述润滑剂包含改性聚乙烯蜡，其通过在乙烯存在下均聚乙烯或共聚乙烯和具有3至10个碳原子的α-烯烃而获得 的茂金属催化剂，并通过与苯乙烯单体和/或不饱和羧酸单体接枝来改性所得到的均聚物或共聚物，所述润滑剂的己烷萃取不超过65重量％。 调色剂在较低温度下具有脱模性能，因此具有令人满意的抗粘合性能，而不损害粉末流动性和防粘连性。 它提供了抵抗由定影辊部分的剥离爪划伤并抵抗擦伤的调色剂图像。

公开(公告)号：US20090142110A1

公开(公告)日：2009-06-04

申请号：US12168571

申请日：2008-07-07

申请人： Yasuhiro OYA ,  Atsuhiko EGUCHI

发明人： Yasuhiro OYA ,  Atsuhiko EGUCHI

IPC分类号： G03G15/20

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0902

摘要： A toner having: a peak temperature before fixation T1a of about 40° C. or more; and a peak temperature after fixation T1b that is lower than T1a by from about 10° C. to about 35° C.: T1a being a peak temperature of an endothermic peak occurring at the lowest temperature in a range of from 0° C. to 100° C. and obtained at a first warming-up step of a differential scanning calorimetry measurement that uses a toner before fixation as a sample; T1b being a peak temperature of an endothermic peak occurring at the lowest temperature within a range of from 0° C. to 100° C. and obtained at a first warming-up step of a differential scanning calorimetry measurement that uses a toner after fixation as a sample; and the toner after fixation being contained in a fixed image transferred from a transferring member and fixed on a recording medium, a maximum width of an image defect formed after conducting a folding test of the fixed image being 0.30 mm or less.

摘要翻译： 一种调色剂，其具有：固定T1a之前的峰值温度约40℃以上; 并且固定T1b之后的峰值温度比T1a低约10℃至约35℃：T1a是在0℃至0℃至最低温度范围内发生的吸热峰的峰值温度 100℃，并在使用固色前的调色剂作为样品的差示扫描量热测量的第一预热步骤中获得; T1b是在0℃至100℃的最低温度下发生的吸热峰的峰值温度，并且在使用定影后的调色剂的差示扫描量热测量的第一预热步骤获得时， 一个样品; 并且定影后的调色剂被包含在从转印部件转印并固定在记录介质上的固定图像中，在进行固定图像的折叠试验之后形成的图像缺陷的最大宽度为0.30mm以下。

公开(公告)号：US07303846B2

公开(公告)日：2007-12-04

申请号：US11079193

申请日：2005-03-15

申请人： Teruo Sakai, legal representative ,  Yuka Ishihara ,  Atsuhiko Eguchi ,  Masahiro Okita ,  Jun Igarashi ,  Koichi Sugiyama ,  Susumu Yoshino

发明人： Sueko Sakai, deceased

IPC分类号： G03G9/00

CPC分类号： G03G9/0819 ,  G03G9/0821 ,  G03G9/0902 ,  G03G9/091 ,  G03G9/0912 ,  G03G9/0914 ,  G03G9/0916 ,  G03G9/092 ,  G03G9/09708

摘要： An electrophotographic toner contains at least a binder resin and a colorant, and log10{[Cu]/[C]} satisfies the following equation (1): −5.0≦log10{[Cu]/[C]}≦−3.5   (1) in which, [C] represents a carbon content (%) and [Cu] represents a copper content (%), measured with fluorescent X-ray. An electrophotographic developer containing the toner, a method for producing the toner, and a method for forming an image by using the toner are also provided.

摘要翻译： 电子照相调色剂至少含有粘合剂树脂和着色剂，并且对数[{Cu] / [C]）满足以下等式

公开(公告)号：US20050164109A1

公开(公告)日：2005-07-28

申请号：US10935134

申请日：2004-09-08

申请人： Akihiro Iizuka ,  Atsuhiko Eguchi ,  Masahiro Okita ,  Yasuhiro Oya

发明人： Akihiro Iizuka ,  Atsuhiko Eguchi ,  Masahiro Okita ,  Yasuhiro Oya

IPC分类号： G03G9/08 ,  G03G9/097

CPC分类号： G03G9/09733 ,  G03G9/0827 ,  G03G9/097

摘要： The invention provides a toner for developing electrostatic charged images comprising toner mother particles containing a binder resin and a colorant, and an external additive, wherein: the average of shape factors SF1 of the toner mother particles represented by the following Formula (1) is 140 or less; the external additive contains higher alcohol particles having a volume-average particle diameter of 1 to 12 μm; and the content of the higher alcohol particles having a diameter equal to or less than the volume-average particle diameter of the toner mother particles is in a range of 0.15 to 2.5 parts by weight with respect to 100 parts by weight of the toner mother particles. In addition, the invention provides a developer for developing electrostatic charged images comprising the toner. Further, the invention provides an image forming method using the toner.

摘要翻译： 本发明提供一种用于显影静电荷图像的调色剂，其包含含有粘合剂树脂和着色剂的调色剂母粒子和外部添加剂，其中：由下式（1）表示的调色剂母粒子的形状因子SF1的平均值为140 或更少; 外部添加剂含有体积平均粒径为1〜12μm的高级醇粒子; 相对于100重量份的调色剂母粒子，直径等于或小于调色剂母粒的体积平均粒径的高级醇粒子的含量在0.15〜2.5重量份的范围内 。 此外，本发明提供了一种显影剂，用于显影包含调色剂的静电荷图像。 此外，本发明提供了一种使用调色剂的成像方法。

公开(公告)号：US5650254A

公开(公告)日：1997-07-22

申请号：US667649

申请日：1996-06-21

申请人： Atsuhiko Eguchi ,  Haruhide Ishida ,  Yoshifumi Iida ,  Kaori Ohishi ,  Takayoshi Aoki ,  Toshiyuki Yano

发明人： Atsuhiko Eguchi ,  Haruhide Ishida ,  Yoshifumi Iida ,  Kaori Ohishi ,  Takayoshi Aoki ,  Toshiyuki Yano

IPC分类号： G03G9/087 ,  G03G13/08 ,  G03G13/22

CPC分类号： G03G9/08786 ,  G03G13/08 ,  G03G9/08704

摘要： A image formation process comprising the steps of forming an electrostatic latent image on an electrostatic latent image carrier, developing the electrostatic latent image with a developer to provide a toner image, transferring the toner image to a transfer material, and heat-fixing the toner image on the transfer material, wherein the developer comprises a toner for developing electrostatic latent images comprising a binder, a colorant, and 1 to 30% by weight of a lubricant which comprises a modified polyethylene wax which is obtained by homopolymerizing ethylene or copolymerizing ethylene and an .alpha.-olefin having 3 to 10 carbon atoms in the presence of a metallocene catalyst and modifying the resulting ethylene homo- or copolymer by grafting at least one grafting monomer selected from the group consisting of a styrene monomer and an unsaturated carboxylic acid monomer, and has a hexane extraction of not more than 65% by weight, and wherein the transfer step comprises bringing a bias roll into contact with the back side of a transfer material. The image formation process of the present invention requires less power consumption. The toner for use in the present invention provides a good releasability at low temperatures and shows excellent anti-offset properties and powder fluidity without causing the generation of ozone, image defects and blocking.

摘要翻译： 一种图像形成方法，包括以下步骤：在静电潜像载体上形成静电潜像，用显影剂显影静电潜像以提供调色剂图像，将调色剂图像转印到转印材料上，并将调色剂图像 在转印材料上，其中显影剂包括用于显影静电潜像的调色剂，其包含粘合剂，着色剂和1至30重量％的润滑剂，其包含通过乙烯均聚或乙烯共聚获得的改性聚乙烯蜡和 在茂金属催化剂的存在下，具有3〜10个碳原子的α-烯烃，并通过接枝至少一种选自苯乙烯单体和不饱和羧酸单体的接枝单体改性所得到的乙烯均聚物或共聚物，并具有 己烷萃取不超过65重量％，并且其中转移步骤包括使bi 与转印材料的背面接触。 本发明的图像形成处理需要较少的功耗。 用于本发明的调色剂在低温下提供良好的脱模性，并且显示出优异的抗污损性和粉末流动性，而不会引起臭氧的产生，图像缺陷和阻塞。