公开(公告)号：US20130252168A1

公开(公告)日：2013-09-26

申请号：US13554543

申请日：2012-07-20

Applicant: Yasushige NAKAMURA

Inventor： Yasushige NAKAMURA

IPC: G03G9/113 ,  G03G15/08 ,  G03G13/16

CPC classification number: G03G9/1075 ,  G03G9/1134 ,  G03G9/1139

Abstract: A carrier for developing an electrostatic charge image includes a core containing a magnetic material and a coating layer, in which the coating layer includes porous carbon having a volume average particle size of from 0.5 μm to 2 μm and a BET specific surface area of from 1 m2/g to 5 m2/g, and a resin.

Abstract translation: 用于显影静电荷图像的载体包括含有磁性材料和涂层的芯，其中涂层包括体积平均粒径为0.5μm至2μm的多孔碳，BET比表面积为1 m 2 / g至5m 2 / g，和树脂。

公开(公告)号：US08541155B2

公开(公告)日：2013-09-24

申请号：US13432360

申请日：2012-03-28

Applicant: Tetsuya Uemura ,  Makoto Ishikawa

Inventor： Tetsuya Uemura ,  Makoto Ishikawa

IPC: G03G9/113

CPC classification number: G03G9/107 ,  B82Y30/00 ,  G03G9/1075 ,  G03G9/113 ,  G03G9/1135 ,  G03G9/1136

Abstract: There are provided a resin-coated carrier for an electrophotographic developer, in which a magnetic particle is coated with a resin on its surface, and the coating resin contains a carbon nanotube having a carbon content of 75% by weight or more, and an electrophotographic developer using the resin-coated carrier.

Abstract translation: 提供了一种用于电子照相显影剂的树脂涂覆载体，其中磁性颗粒在其表面上涂覆有树脂，并且涂料树脂含有碳含量为75重量％以上的碳纳米管和电子照相 显影剂使用树脂涂覆的载体。

公开(公告)号：US08507167B2

公开(公告)日：2013-08-13

申请号：US12852835

申请日：2010-08-09

Applicant: Yutaka Saito ,  Michio Take ,  Yoshifumi Iida ,  Sakon Takahashi ,  Motoko Sakai ,  Katsuyuki Kitajima

Inventor： Yutaka Saito ,  Michio Take ,  Yoshifumi Iida ,  Sakon Takahashi ,  Motoko Sakai ,  Katsuyuki Kitajima

IPC: G03G9/087 ,  G03G9/113 ,  G03G9/097

CPC classification number: G03G9/0827 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/097 ,  G03G9/09716 ,  G03G9/09725 ,  G03G2215/0617

Abstract: The invention provides a toner for developing an electrostatic image including toner particles having a shape factor SF1 of 110 or more and including a binder resin, and particles of an external additive that adhere to the toner particles, wherein the particles of the external additive including first particles, and second particles which are adhered to the first particles and have a primary particle size of 0.2 times to 0.5 times as large as that of the first particles, and in an image obtained by observing the particles of the external additive with a microscope, when the projection surface area of the first particle is defined as S1 and the total of the projection surface areas of the second particles which are not hidden by the first particle is defined as S2, S2 being from 0.1 times to 0.5 times as large as S1.

Abstract translation: 本发明提供了一种用于显影静电图像的调色剂，其包括形状系数SF1为110或更大的调色剂颗粒，并且包括粘合剂树脂，以及附着在调色剂颗粒上的外部添加剂颗粒，其中外部添加剂的颗粒包括第一 颗粒和第二颗粒，其粘附到第一颗粒上并且具有一次粒径为第一颗粒的一次粒径的0.2倍至0.5倍，并且在通过用显微镜观察外部添加剂的颗粒而获得的图像中， 当第一颗粒的投影表面积被定义为S1，并且未被第一颗粒隐藏的第二颗粒的​​投影表面积的总和定义为S2时，S2为S1的0.1倍至0.5倍 。

公开(公告)号：US08455168B2

公开(公告)日：2013-06-04

申请号：US12862028

申请日：2010-08-24

Applicant: Fusako Kiyono ,  Sakon Takahashi ,  Toshiaki Hasegawa ,  Takeshi Shoji

Inventor： Fusako Kiyono ,  Sakon Takahashi ,  Toshiaki Hasegawa ,  Takeshi Shoji

IPC: G03G9/113

CPC classification number: G03G9/1139 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/1075 ,  G03G9/1134 ,  G03G15/0865 ,  G03G15/0868 ,  G03G21/1814

Abstract: An electrophotographic developer is provided which includes: a toner that includes toner base particles and an external additive attached to a surface of the toner base particles and has an amount of Al on the surface of the toner base particles of from about 0.002 to about 0.02 atm %; and a carrier that includes magnetic particles and a coating resin layer that coats the magnetic particles, the coating resin layer including particles with a volume-average particle diameter of from about 80 to about 800 nm, such as organic particles or inorganic particles having an organic layer on a surface of the inorganic particles, the carrier satisfying any one of the following formulas, where SP1, SP2 and SP3 represent a solubility parameter of resin of the coating resin layer, the organic particles, and the organic layer respectively: about 10>|SP1−SP2|>about 4  (1); and about 10>|SP1−SP3|>about 4  (2).

Abstract translation: 提供了一种电子照相显影剂，其包括：调色剂，其包括调色剂基础颗粒和附着到调色剂基础颗粒的表面的外部添加剂，并且调色剂基础颗粒表面上的Al的量为约0.002至约0.02atm ％; 以及包含磁性颗粒的载体和涂覆磁性颗粒的涂覆树脂层，涂层树脂层包括体积平均粒径为约80至约800nm的颗粒，例如有机颗粒或具有有机物的无机颗粒 无机粒子的表面上的层，载体满足下式中的任一个，其中SP1，SP2和SP3分别表示涂料树脂层，有机颗粒和有机层的树脂的溶解度参数：约10> | SP1-SP2 |>约4（1）; 和大约10（SP1）| SP1-SP3 |>约4（2）。

公开(公告)号：US08389191B2

公开(公告)日：2013-03-05

申请号：US12603822

申请日：2009-10-22

Applicant: Daryl W. Vanbesien ,  Michael S. Hawkins ,  Suxia Yang ,  Richard P. N. Veregin ,  Karen Ann Moffat

Inventor： Daryl W. Vanbesien ,  Michael S. Hawkins ,  Suxia Yang ,  Richard P. N. Veregin ,  Karen Ann Moffat

IPC: G03G9/113

CPC classification number: G03G9/1075 ,  G03G9/0823 ,  G03G9/08797 ,  G03G9/1133 ,  G03G9/1138 ,  G03G9/1139

Abstract: The present disclosure provides carriers for use with toner compositions. In embodiments, a carrier may include a core, having a dry powder polymer coating. The polymer coating possesses a carbon to oxygen from about 3:1 to about 8:1. In embodiments, the coating may also include a colorant, such as carbon black. Processes for coating such carriers with the dry powder polymer coatings are also provided.

Abstract translation: 本公开提供用于调色剂组合物的载体。 在实施方案中，载体可以包括具有干粉聚合物涂层的芯。 聚合物涂层具有约3:1至约8:1的碳与氧。 在实施方案中，涂层还可以包括着色剂，例如炭黑。 还提供了用干粉聚合物涂层涂覆这种载体的方法。

公开(公告)号：US20120058425A1

公开(公告)日：2012-03-08

申请号：US13227036

申请日：2011-09-07

Applicant: Hyo Shu

Inventor： Hyo Shu

IPC: G03G9/00 ,  G03G9/08 ,  G03G9/16 ,  G03G9/113 ,  G03G15/08

CPC classification number: G03G15/08 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/1136 ,  G03G2215/0602

Abstract: A toner including a release promoter and a binder resin containing crystalline polyester resin and non-crystalline polyester resin, wherein W/R is 0.045 to 0.850 where W denotes height of third bottom peak in infrared absorption spectrum of crystalline polyester resin and R denotes height of maximum top peak in infrared absorption spectrum of non-crystalline polyester resin, each of the infrared absorption spectra being measured by infrared spectroscopic method (KBr method) using Fourier transform infrared spectrometer, wherein the toner is used as toner contained with carrier in premix agent which is developer containing them previously mixed together before shipment, and wherein the premix agent is used in an image forming apparatus containing latent image bearing member, developing device for developing latent image on the latent image bearing member with developer containing toner and carrier, and agent supplying unit configured to supply the premix agent to the developing device.

Abstract translation: 包含释放促进剂和含结晶聚酯树脂和非结晶性聚酯树脂的粘合剂树脂的调色剂，其中W / R为0.045至0.850，其中W表示结晶聚酯树脂的红外吸收光谱中第三底峰的高度，R表示 非结晶性聚酯树脂的红外吸收光谱的最大顶峰，使用傅立叶变换红外光谱仪，通过红外光谱法（KBr法）测定各红外吸收光谱，其中调色剂用作预混物中载体的调色剂，其中 是包含它们之前混合在一起的显影剂，并且其中预混剂用于包含潜像承载部件的图像形成设备，用于在潜像承载部件上显影潜像的显影装置，所述显影剂含有调色剂和载体的显影剂，以及试剂供应 单元，被配置为将预混合剂供应到显影装置。

公开(公告)号：US20120040285A1

公开(公告)日：2012-02-16

申请号：US13264136

申请日：2010-05-19

Applicant: Takaho Shibata ,  Masayoshi Kato ,  Ryuji Higashi ,  Takayuki Toyoda ,  Ryo Natori ,  Yuya Chimoto

Inventor： Takaho Shibata ,  Masayoshi Kato ,  Ryuji Higashi ,  Takayuki Toyoda ,  Ryo Natori ,  Yuya Chimoto

IPC: G03G9/113

CPC classification number: G03G9/0804 ,  G03G9/08759 ,  G03G9/08791 ,  G03G9/093 ,  G03G9/09328 ,  G03G9/09371 ,  G03G9/09392

Abstract: A process for producing a core-shell toner is provided in which the toner has core particles containing at least a binder resin (1), a colorant and a release agent and shell layers which contain at least a resin (2) and with which the core particles are covered; and the process including the steps of (A) mixing a binder resin-(1) dispersion, a colorant dispersion and a release agent dispersion, (B) adding to a mixed dispersion thus obtained an agglomerating agent to effect agglomeration, (C) adding to core agglomerated particles thus formed a mixture prepared by mixing the resin-(2) dispersion and a metal salt to make the resin (2) adhere to the surfaces of the core agglomerated particles, and (D) heating core-shell agglomerated particles thus formed to a temperature not lower than the glass transition temperatures of the binder resin (1) and resin (2) to effect fusion thereof.

Abstract translation: 提供一种生产核 - 壳调色剂的方法，其中调色剂具有至少含有粘合剂树脂（1），着色剂和脱模剂的核心颗粒和至少含有树脂（2）的壳层， 核心颗粒被覆盖; 该方法包括以下步骤：（A）将粘合剂树脂 - （1）分散体，着色剂分散体和脱模剂分散体混合，（B）向由此获得的混合分散体中加入凝聚剂以进行凝聚，（C） 从而形成通过混合树脂 - （2）分散体和金属盐以使树脂（2）粘附到芯聚集颗粒的表面而制备的混合物的混合物，和（D）加热芯 - 壳聚集的颗粒，因此 形成为不低于粘合剂树脂（1）和树脂（2）的玻璃化转变温度以进行熔融的温度。

公开(公告)号：US08043785B2

公开(公告)日：2011-10-25

申请号：US11944552

申请日：2007-11-23

Applicant: Ryota Inoue ,  Chiaki Tanaka ,  Masayuki Ishii ,  Yoshihiro Moriya ,  Shingo Sakashita

Inventor： Ryota Inoue ,  Chiaki Tanaka ,  Masayuki Ishii ,  Yoshihiro Moriya ,  Shingo Sakashita

IPC: G03G9/113

CPC classification number: G03G9/1131 ,  G03G9/1139

Abstract: The present invention provides a method for producing a carrier that includes dissolving at least a coating material in carbon dioxide in a liquid state, and forming a coating layer on a core material surface by reducing the solubility of the liquid with at least the coating material dissolved therein through control of at least any one of the pressure and temperature. The present invention also provides a carrier produced by the method for producing a carrier.

Abstract translation: 本发明提供了一种制造载体的方法，该方法包括将至少一种涂料溶解在液态二氧化碳中，并且通过降低至少溶解的涂层材料的液体的溶解度而在芯材表面上形成涂层 其中通过控制压力和温度中的至少任何一个。 本发明还提供一种通过制造载体的方法生产的载体。

公开(公告)号：US20110236815A1

公开(公告)日：2011-09-29

申请号：US12729590

申请日：2010-03-23

Applicant: Richard P.N. Veregin ,  Daryl W. Vanbesien ,  Michael S. Hawkins ,  Corey L. Tracy

Inventor： Richard P.N. Veregin ,  Daryl W. Vanbesien ,  Michael S. Hawkins ,  Corey L. Tracy

IPC: G03G9/113 ,  G03G9/107 ,  G03G9/09 ,  G03G9/08

CPC classification number: G03G9/107 ,  G03G9/10 ,  G03G9/1133 ,  G03G9/1135

Abstract: The present disclosure provides carriers for use with toner compositions. In embodiments, a carrier may include a core having a polymeric coating on at least a portion thereof. The polymer coating possesses cation binding groups. Processes for coating such carriers with the polymeric coatings are also provided.

Abstract translation: 本公开提供用于调色剂组合物的载体。 在实施方案中，载体可以包括在其至少一部分上具有聚合物涂层的芯。 聚合物涂层具有阳离子结合基团。 还提供了用聚合物涂层涂覆这种载体的方法。

公开(公告)号：US20110065037A1

公开(公告)日：2011-03-17

申请号：US12879722

申请日：2010-09-10

Applicant: Hitoshi Iwatsuki ,  Kimitoshi Yamaguchi ,  Minoru Masuda ,  Yutaka Takahashi ,  Koichi Sakata ,  Toyoaki Tano

Inventor： Hitoshi Iwatsuki ,  Kimitoshi Yamaguchi ,  Minoru Masuda ,  Yutaka Takahashi ,  Koichi Sakata ,  Toyoaki Tano

IPC: G03G9/113 ,  G03G9/08 ,  G03G13/08

CPC classification number: G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1136 ,  G03G9/1139 ,  G03G2215/0609

Abstract: A latent electrostatic image developing carrier including a carrier core material, and a coating layer containing a resin and provided on a surface of the carrier core material, wherein the coating layer includes a particulate material containing at least first fine conductive particles and second fine conductive particles, and wherein the first fine conductive particles and the second fine conductive particles satisfy the relationships expressed by Expressions 1 and 2, 3≦D1/D2≦15 . . . Expression 1, where D1 denotes a dispersed particle diameter of the first fine conductive particles and D2 denotes a dispersed particle diameter of the second fine conductive particles, and −7E≦R1×R2≦8E . . . Expression 2, where R1 denotes a powder specific resistance of the first fine conductive particles and R2 denotes a powder specific resistance of the second fine conductive particles.

Abstract translation: 一种包含载体芯材的静电潜像显影载体和包含树脂的涂层，并且设置在载体芯材的表面上，其中涂层包括至少含有第一导电颗粒和第二导电颗粒的颗粒材料 并且其中所述第一细小导电颗粒和所述第二细导电颗粒满足表达式1和2，3＆lt; N1; D1 / D2＆nlE; 15表示的关系。 。 。 表达式1，其中D1表示第一微细导电颗粒的分散粒径，D2表示第二细小导电颗粒的分散粒径，-7E＆lt; N1; R1×R2＆nlE; 8E。 。 。 表达式2，其中R1表示第一细小导电颗粒的粉末电阻率，R2表示第二细导电颗粒的粉末电阻率。