公开(公告)号：US08597866B2

公开(公告)日：2013-12-03

申请号：US12558074

申请日：2009-09-11

申请人： Sakon Takahashi ,  Norihito Fukushima ,  Shunsuke Nozaki ,  Michio Take

发明人： Sakon Takahashi ,  Norihito Fukushima ,  Shunsuke Nozaki ,  Michio Take

IPC分类号： G03G9/113

CPC分类号： G03G9/1131 ,  G03G9/1075 ,  G03G9/1137 ,  G03G9/1139

摘要： A method of producing a carrier for electrophotography includes: covering a surface of a core particle with a coating layer including resin particles and a crosslinking resin in an uncrosslinked state present in spaces between the resin particles; and applying a mechanical impact from the outer surface of the coating layer before crosslinking of the crosslinking resin.

摘要翻译： 一种电子照相用载体的制造方法，其特征在于，在树脂粒子间存在的未交联状态下，用包含树脂粒子和交联树脂的被覆层覆盖芯粒子的表面， 并在交联树脂交联之前从涂层的外表面施加机械冲击。

公开(公告)号：US20110229811A1

公开(公告)日：2011-09-22

申请号：US12852835

申请日：2010-08-09

申请人： Yutaka SAITO ,  Michio Take ,  Yoshifumi Iida ,  Sakon Takahashi ,  Motoko Sakai ,  Katsuyuki Kitajima

发明人： Yutaka SAITO ,  Michio Take ,  Yoshifumi Iida ,  Sakon Takahashi ,  Motoko Sakai ,  Katsuyuki Kitajima

IPC分类号： G03G9/00 ,  G03G15/08 ,  G03G21/16

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

摘要： 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.

摘要翻译： 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：US08507167B2

公开(公告)日：2013-08-13

申请号：US12852835

申请日：2010-08-09

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

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

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

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

摘要： 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.

摘要翻译： 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：US08383308B2

公开(公告)日：2013-02-26

申请号：US12260684

申请日：2008-10-29

申请人： Sakon Takahashi ,  Daisuke Ishizuka ,  Michio Take ,  Seijiro Ishimaru ,  Chiaki Suzuki

发明人： Sakon Takahashi ,  Daisuke Ishizuka ,  Michio Take ,  Seijiro Ishimaru ,  Chiaki Suzuki

IPC分类号： G03G9/08

CPC分类号： G03G9/08755 ,  G03G9/0823 ,  G03G9/08782 ,  G03G9/08786 ,  G03G9/1136

摘要： A positively chargeable two-component developer, including at least a toner and a carrier, wherein the toner contains a binder resin, a colorant, a wax, and a charge control agent, the binder resin contains at least a polyester resin and an addition polymerization resin grafted with a polyolefin, the wax and the addition polymerization resin grafted with a polyolefin are contained at a wax:addition polymerization resin grafted with a polyolefin ratio of from about 40:60 to about 80:20, and the carrier is a magnetic powder having a coating layer containing a methyl-containing silicone resin.

摘要翻译： 一种可带正​​电荷的双组分显影剂，包括至少一种调色剂和载体，其中调色剂含有粘合剂树脂，着色剂，蜡和电荷控制剂，该粘合剂树脂至少含有一种聚酯树脂和一种加成聚合 用聚烯烃接枝的树脂，蜡和接枝有聚烯烃的加成聚合树脂包含在蜡：接枝聚烯烃比为约40:60至约80:20的加成聚合树脂中，载体是磁性粉末 具有含有含甲基的有机硅树脂的涂层。

公开(公告)号：US08735036B2

公开(公告)日：2014-05-27

申请号：US13432918

申请日：2012-03-28

申请人： Katsuyuki Kitajima ,  Yutaka Saito ,  Sakon Takahashi ,  Michio Take

发明人： Katsuyuki Kitajima ,  Yutaka Saito ,  Sakon Takahashi ,  Michio Take

IPC分类号： G03G9/097

CPC分类号： G03G9/097 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09733 ,  G03G21/0011

摘要： An electrostatic charge image developing toner includes: toner particles; and an external additive having an average particle diameter of from about 70 nm to about 420 nm, an average circularity of equal to or less than about 0.9, and a standard deviation of the circularity of greater than 0.2.

摘要翻译： 静电荷图像显影调色剂包括：调色剂颗粒; 和平均粒径为约70nm至约420nm，平均圆形度等于或小于约0.9的外部添加剂和圆形度的标准偏差大于0.2。

公开(公告)号：US08945806B2

公开(公告)日：2015-02-03

申请号：US13557734

申请日：2012-07-25

申请人： Eiji Kawakami ,  Shintaro Anno ,  Hirokazu Hamano ,  Michio Take

发明人： Eiji Kawakami ,  Shintaro Anno ,  Hirokazu Hamano ,  Michio Take

IPC分类号： G03G9/00

CPC分类号： G03G9/09716 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09725

摘要： An electrostatic charge image developing toner includes toner particles that contain a colorant, a binder resin and a release agent, and an external additive, in which the external additive contains inorganic particles including an aliphatic alcohol having 5 or more carbon atoms and a melting point of 20° C. or lower on the surfaces thereof.

摘要翻译： 静电荷图像显影调色剂包括含有着色剂，粘合剂树脂和脱模剂的调色剂颗粒和外部添加剂，其中外部添加剂含有包含具有5个或更多个碳原子的脂肪族醇的无机颗粒和熔点 在其表面上为20℃或更低。

公开(公告)号：US5320925A

公开(公告)日：1994-06-14

申请号：US879287

申请日：1992-05-07

申请人： Takashi Imai ,  Satoshi Inoue ,  Masanori Ichimura ,  Yutaka Sugizaki ,  Susumu Saito ,  Masaru Miura ,  Michio Take ,  Yasuo Yamamoto ,  Koji Fukushima ,  Manabu Serizawa

发明人： Takashi Imai ,  Satoshi Inoue ,  Masanori Ichimura ,  Yutaka Sugizaki ,  Susumu Saito ,  Masaru Miura ,  Michio Take ,  Yasuo Yamamoto ,  Koji Fukushima ,  Manabu Serizawa

IPC分类号： G03G9/08 ,  G03G9/097

CPC分类号： G03G9/0819 ,  G03G9/09716

摘要： An electrophotographic toner composition comprising (A) toner particles with an average particle diameter of 9 .mu.m or less comprising at least a binder resin and a colorant, and (B) an additive, wherein the additive is a fine metal oxide powder surface coated with at least one agent for imparting hydrophobic property selected from the group consisting of the following formulae (1), (2) and (3):R.sub.1 Si(X).sub.3R.sub.1 R.sub.2 Si(X).sub.2R.sub.1 R.sub.2 R.sub.3 Si(X).sub.1wherein R.sub.1 represents a substituted or unsubstituted alkyl group having a molecular weight of 113 or more, R.sub.2 and R.sub.3 each represents hydrogen, an alkyl group or an allyl group, and X represents chlorine, an alkoxy group or an acetoxy group. The toner composition causes no impaction to a carrier and no adhesion of the toner particles to a photoreceptor, and can form stable, sufficient images for a long time.

摘要翻译： 一种电子照相调色剂组合物，其包含（A）平均粒径为9μm或更小的调色剂颗粒至少包含粘合剂树脂和着色剂，和（B）添加剂，其中所述添加剂是涂覆有金属氧化物粉末表面的金属表面 至少一种赋予选自下式（1），（2）和（3）的疏水性的试剂：R1Si（X）3 R1R2Si（X）2 R1R2R3Si（X）1其中R1表示取代或 未取代的分子量为113以上的烷基，R2和R3各自表示氢，烷基或烯丙基，X表示氯，烷氧基或乙酰氧基。 调色剂组合物不会对载体造成冲击，并且不会使调色剂颗粒粘附到感光体上，并且可以长时间形成稳定的足够的图像。

公开(公告)号：US5705303A

公开(公告)日：1998-01-06

申请号：US616760

申请日：1996-03-15

申请人： Masanori Ichimura ,  Michio Take ,  Susumu Saito

发明人： Masanori Ichimura ,  Michio Take ,  Susumu Saito

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

CPC分类号： G03G9/09725 ,  G03G9/09716

摘要： A toner composition for electrophotography comprising toner particles comprising a binder and a colorant and an additive, wherein the additive is crystalline titanium dioxide fine particles which have been treated with a coupling agent and which have a specific surface area of 60 to 100 m.sup.2 /g and a Karl Fischer moisture content of not more than 5% by weight. Compounds represented by formulae (I), (II) or (III) are used as the coupling agent: R.sup.1 Si(X).sub.3 (I) R.sup.1' R.sup.2 Si(X).sub.2 (II) R.sup.1' R.sup.2 R.sup.3 SiX (III) wherein R.sup.1 represents an alkyl group having 9 to 20 carbon atoms; R.sup.1' represents an alkyl group having 1 to 20 carbon atoms; R.sup.2 and R.sup.3 each represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 30 carbon atoms; and X represents a chlorine atom, an alkoxy group having 1 to 10 carbon atoms or an acetoxy-group having 3 to 5 carbon atoms.

摘要翻译： 一种电子照相用调色剂组合物，其包括含有粘合剂和着色剂和添加剂的调色剂颗粒，其中所述添加剂是已经用偶联剂处理并具有60-100m 2 / g比表面积的结晶二氧化钛细颗粒， 卡尔费休水分含量不超过5％重量。 由式（I），（II）或（III）表示的化合物用作偶联剂：R1Si（X）3（I）R1'R2Si（X）2（II）R1'R2R3SiX（Ⅲ）其中R1表示 具有9至20个碳原子的烷基; R1'表示碳原子数1〜20的烷基， R2和R3各自表示氢原子，碳原子数1〜20的烷基或碳原子数6〜30的芳基。 X表示氯原子，碳原子数1〜10的烷氧基或碳原子数3〜5的乙酰氧基。

公开(公告)号：US5529871A

公开(公告)日：1996-06-25

申请号：US276488

申请日：1994-07-18

申请人： Masanori Ichimura ,  Hiroshi Takayama ,  Michio Take ,  Hideyuki Akagi ,  Takashi Imai ,  Satoshi Inoue ,  Yasuo Yamamoto ,  Yutaka Sugizaki ,  Koji Fukushima ,  Masayuki Takei ,  Masaru Miura

发明人： Masanori Ichimura ,  Hiroshi Takayama ,  Michio Take ,  Hideyuki Akagi ,  Takashi Imai ,  Satoshi Inoue ,  Yasuo Yamamoto ,  Yutaka Sugizaki ,  Koji Fukushima ,  Masayuki Takei ,  Masaru Miura

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/00

CPC分类号： G03G9/0804 ,  G03G9/081 ,  G03G9/09 ,  G03G9/0906

摘要： A color toner providing a toner image excellent in brightness, clearness and graininess and a process for producing the same are disclosed, wherein a proportion of dispersed pigment particles having a circle-equivalent diameter of 0.3 .mu.m or greater does not exceed 0.1% of the total number of said dispersed pigment particles. The process comprises kneading a water-containing pigment paste and a binder resin at a temperature of 100.degree. C. or higher under pressure in a heat and pressure kneader to remove a water content to obtain a pigment dispersion, melt-kneading the resulting pigment dispersion together with a binder resin, and grinding the mixture.

摘要翻译： 本发明提供一种提供亮度，清晰度和颗粒度优异的调色剂图像的彩色调色剂，其中，当量圆直径为0.3μm以上的分散颜料颗粒的比例不超过0.1μm 所述分散的颜料颗粒的总数。 该方法包括在100℃或更高的温度下在加压和捏合机中捏合含水颜料糊和粘合剂树脂以除去水分，得到颜料分散体，将得到的颜料分散体 与粘合剂树脂一起研磨混合物。

公开(公告)号：US5972547A

公开(公告)日：1999-10-26

申请号：US129999

申请日：1998-08-06

申请人： Hidekazu Yaguchi ,  Michio Take ,  Masaki Hashimoto ,  Hiroshi Nakazawa ,  Jun Igarashi ,  Masanori Ichimura

发明人： Hidekazu Yaguchi ,  Michio Take ,  Masaki Hashimoto ,  Hiroshi Nakazawa ,  Jun Igarashi ,  Masanori Ichimura

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/113 ,  G03G15/01 ,  G03G9/097 ,  G03G13/01

CPC分类号： G03G9/0874 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08797

摘要： There is provided an electrostatic charge image developing toner comprising at least a binder resin, a coloring agent, and an aromatic hydrocarbon copolymer resin, wherein, in a toner particle, the percentage of dispersed aromatic hydrocarbon copolymer resin particles having a longitudinal diameter of 2.0 .mu.m or greater among the total number of dispersed aromatic hydrocarbon copolymer is 10% or less. The toner has superior effects of excellent grindability and not melting and adhering to apparatuses, without there being any adverse effect on basic abilities of the toner such as electrostatic charge property, fixing property, color, and the like.

摘要翻译： 提供一种静电荷图像显影调色剂，其至少包含粘合剂树脂，着色剂和芳族烃共聚物树脂，其中在调色剂颗粒中，具有纵向直径为2.0μm的分散的芳族烃共聚物树脂颗粒的百分比 分散芳香族烃共聚物的总数为10μm以下。 该调色剂具有优异的可磨性性能，而且不会熔化并附着在设备上，而不会对诸如静电电荷特性，定影性，颜色等的调色剂的基本能力产生不利影响。