公开(公告)号：US20100310982A1

公开(公告)日：2010-12-09

申请号：US12809415

申请日：2008-12-18

Applicant: Shinji Ohtani ,  Ryota Inoue ,  Yoshihiro Norikane

Inventor： Shinji Ohtani ,  Ryota Inoue ,  Yoshihiro Norikane

IPC: G03G9/113 ,  G03G9/10 ,  G03G9/107

CPC classification number: G03G9/1075 ,  G03G9/1136

Abstract: A method for producing a carrier, including a step of periodically forming and discharging liquid droplets of a carrier core composition liquid from a plurality of nozzles formed in a thin film, using a liquid droplet forming unit having the thin film and a ring-shaped vibration generating unit disposed in a deformable area of the thin film so as to be along a circumference of the area and to vibrate the thin film, a step of forming carrier core particles by solidifying the discharged liquid droplets, and a step of coating the carrier core particles with a resin layer.

Abstract translation: 一种载体的制造方法，其特征在于，包括使用具有所述薄膜的液滴形成单元和环状振动来从形成在薄膜上的多个喷嘴周期性地形成和排出载体芯组合物液体的液滴的步骤 所述发生单元设置在所述薄膜的可变形区域中以沿着所述区域的圆周并且使所述薄膜振动，通过固化排出的液滴形成载体芯颗粒的步骤，以及涂覆载体芯的步骤 具有树脂层的颗粒。

公开(公告)号：US20100248125A1

公开(公告)日：2010-09-30

申请号：US12727686

申请日：2010-03-19

Applicant: Takashi HIKICHI ,  Takao SUGIURA

Inventor： Takashi HIKICHI ,  Takao SUGIURA

IPC: G03G9/113

CPC classification number: G03G9/1075 ,  G03G9/1131 ,  G03G9/1136

Abstract: A resin-filled ferrite carrier for an electrophotographic developer obtained by filling voids of a porous ferrite core material with a resin, wherein the resin is a silicone resin having a phenyl group, and an electrophotographic developer using this ferrite carrier.

Abstract translation: 一种用于电子照相显影剂的树脂填充的铁氧体载体，其通过用树脂填充多孔铁氧体磁芯材料的空隙而获得，其中树脂是具有苯基的硅树脂和使用该铁氧体载体的电子照相显影剂。

公开(公告)号：US20100196818A1

公开(公告)日：2010-08-05

申请号：US12685756

申请日：2010-01-12

Applicant: Takashi KOJIMA ,  Toru IWATA ,  Koji AGA

Inventor： Takashi KOJIMA ,  Toru IWATA ,  Koji AGA

IPC: G03G9/113 ,  G03G9/107 ,  G03G9/10 ,  G03G9/08

CPC classification number: G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1136

Abstract: Employment of a carrier core material for an electrophotographic developer containing 0.8 to 5% by weight of Mg, 0.1 to 1.5% by weight of Ti, 60 to 70% by weight of Fe and 0.2 to 2.5% by weight of Sr and having an amount of Sr dissolved with a pH4 standard solution of 80 to 1000 ppm, a carrier using the core material and a process for producing them, and an electrophotographic developer using the carrier.

Abstract translation: 使用含有0.8-5重量％Mg，0.1-1.5重量％Ti，60-70重量％Fe和0.2-2.5重量％Sr的电子照相显影剂的载体芯材，其量 的Sr用80〜1000ppm的pH4标准溶液溶解，使用芯材的载体及其制造方法，以及使用该载体的电子照相显影剂。

公开(公告)号：US20100183971A1

公开(公告)日：2010-07-22

申请号：US12691063

申请日：2010-01-21

Applicant: Hiroyuki Fujikawa ,  Koh Ishigami ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshinobu Baba ,  Takeshi Yamamoto ,  Manami Haraguchi ,  Kenta Kubo

Inventor： Hiroyuki Fujikawa ,  Koh Ishigami ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshinobu Baba ,  Takeshi Yamamoto ,  Manami Haraguchi ,  Kenta Kubo

IPC: G03G9/113 ,  G03G9/107 ,  G03G9/08 ,  G03G13/20

CPC classification number: G03G9/107 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/1131 ,  G03G9/1136

Abstract: A magnetic carrier having magnetic carrier particles each containing at least a magnetic core particle and a resin; the magnetic carrier having a resistivity of from 1.0×106 Ω·cm or more to 1.0×1010 Ω·cm or less at an electric-field intensity of 1.0×103 V/cm as found by measuring dynamic impedance; electric-field intensity E(109) at which the resistivity of the magnetic carrier comes to 1.0×109 Ω·cm being 2.0×104 V/cm or less, and electric-field intensity E(108) at which the resistivity of the magnetic carrier comes to 1.0×108 Ω·cm being from 5.0×103 V/cm or more to 2.8×104 V/cm or less; and the electric-field intensity E(108) and the electric-field intensity E(109) being in a ratio, E(108)/E(109), of from 1.0 or more to 5.0 or less.

Abstract translation: 具有磁性载体颗粒的磁性载体，每个磁性载体颗粒至少含有磁芯颗粒和树脂; 磁性载体的电场强度为1.0×10 3 V / cm，电阻率为1.0×10 6Ω·cm·cm〜1.0×10 10Ω·cm·cm以下，通过测定动态阻抗; 磁性载体的电阻率为1.0×109Ω·cm·cm的电场强度E（109）为2.0×10 4 V / cm以下，电场强度E（108）为 磁载体为5.0×10 3 V / cm以上至2.8×10 4 V / cm以下的1.0×10 8Ω·cm·cm。 电场强度E（108）和电场强度E（109）的比例为E（108）/ E（109），为1.0以上且5.0以下。

公开(公告)号：US20100086869A1

公开(公告)日：2010-04-08

申请号：US12450090

申请日：2008-03-26

Applicant: Tomoya Yamada ,  Isao Fujita ,  Yoshiaki Aiki

Inventor： Tomoya Yamada ,  Isao Fujita ,  Yoshiaki Aiki

IPC: G03G9/107 ,  G03G9/10 ,  G03G9/113

CPC classification number: G03G9/0804 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/08782 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/113

Abstract: To provide a carrier for two-component electrophotographic developer not only having excellent fluidity but also having proper surface irregularities necessary for imparting electric charge, without generating cracks/chipping of particles even under an influence of stirring stress over a long period of time. A particle surface has raised parts of striped pattern extending almost continuously in a plurality of directions while being superposed on one another, with a surface formed with raised parts of striped pattern occupying 80% or more of the whole surface of a particle. Depths of grooves between the adjacent raised parts are 0.05 μm or more and 0.2 μm or less, average surface roughness Ra is 0.1 μm or more and 0.3 μm or less, roundness is 0.90 or more, and average particle size is 151 μm or more and 100 μm or less, and a carrier core material thus constituted is coated with resin. Thus, the carrier for two-component electrophotographic developer is prepared.

Abstract translation: 为了提供双组分电摄影显影剂的载体，不仅具有优异的流动性，而且具有赋予电荷所必需的适当的表面不规则性，即使在长时间的搅拌应力的影响下也不会产生颗粒的裂纹/碎裂。 颗粒表面已经凸起部分条纹图案，其多个方向上几乎连续地延伸，同时彼此重叠，其中形成有条纹图案的凸起部分的表面占据颗粒整个表面的80％或更多。 相邻凸起部分之间的凹槽的深度为0.05μm以上且0.2μm以下，平均表面粗糙度Ra为0.1μm以上且0.3μm以下，圆度为0.90以上，平均粒径为151μm以上， 100μm以下，由此构成的载体芯材涂覆有树脂。 因此，制备用于双组分电摄影显影剂的载体。

公开(公告)号：US20100081074A1

公开(公告)日：2010-04-01

申请号：US12389015

申请日：2009-02-19

Applicant: Motoko SAKAI ,  Masahiro TAKAGI ,  Jun IGARASHI ,  Tetsuya TAGUCHI

Inventor： Motoko SAKAI ,  Masahiro TAKAGI ,  Jun IGARASHI ,  Tetsuya TAGUCHI

IPC: G03G9/113 ,  G03G15/06

CPC classification number: G03G9/09716 ,  G03G9/0825 ,  G03G9/09725

Abstract: A toner for developing an electrostatic image includes a toner particle to which particles of an external additive A having a number average particle diameter of from 7 nm to 200 nm and particles of an external additive B having a number average particle diameter of from 30 nm to 4000 nm have been externally added. The ratio of the number average particle diameter of the particles of the external additive B to the number average particle diameter of the particles of the external additive A is in a range of from 2 to 20. The particles of one of the external additive A or the external additive B are particles having a core material covered with an organic material containing hydrogen and nitrogen. The particles of the other one of the external additive A or the external additive B are SiO2 particles.

Abstract translation: 用于显影静电图像的调色剂包括调色剂颗粒，数均粒径为7nm至200nm的外部添加剂A的颗粒和数均粒径为30nm至 4000 nm已被外部添加。 外部添加剂B的粒子的数均粒径与外部添加剂A的粒子的数均粒径的比例在2〜20的范围内。外部添加剂A或其中之一的粒子 外部添加剂B是具有被含有氢和氮的有机材料覆盖的芯材的颗粒。 另外一种外部添加剂A或外部添加剂B的颗粒是SiO 2颗粒。

公开(公告)号：US07666566B2

公开(公告)日：2010-02-23

申请号：US11029453

申请日：2005-01-06

Applicant: Shinji Ohtani ,  Hiroshi Yamashita ,  Yohichiroh Watanabe ,  Tsunemi Sugiyama ,  Takuya Saito

Inventor： Shinji Ohtani ,  Hiroshi Yamashita ,  Yohichiroh Watanabe ,  Tsunemi Sugiyama ,  Takuya Saito

IPC: G03G9/113

CPC classification number: G03G9/0804 ,  G03G9/0806 ,  G03G9/09733

Abstract: A method of preparing a toner in an aqueous medium, including: preparing a dispersion or an emulsion of a toner composition comprising a resin including a carboxyl group and a colorant; and mixing an aromatic compound having a carboxyl group with the dispersion or emulsion, such that the carboxyl group on a surface of the toner is connected with the carboxyl group of the aromatic compound by hydrogen bonding.

Abstract translation: 一种在水性介质中制备调色剂的方法，包括：制备包含含有羧基和着色剂的树脂的调色剂组合物的分散体或乳液; 并将具有羧基的芳族化合物与分散体或乳液混合，使得调色剂表面上的羧基通过氢键与芳族化合物的羧基连接。

公开(公告)号：US20100028796A1

公开(公告)日：2010-02-04

申请号：US12534947

申请日：2009-08-04

Applicant: Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nozomu Komatsu ,  Chika Inoue ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

Inventor： Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nozomu Komatsu ,  Chika Inoue ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

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

CPC classification number: G03G9/1075 ,  G03G9/1136

Abstract: A magnetic carrier and two-component developer are provided alleviating coarse images, fogging when printing is done after a copier body is left standing for one week in a high temperature and high humidity environment and carrier adhesion after extensive operation in a low image ratio. The magnetic carrier includes magnetic carrier particles including porous magnetic core particles and a resin, wherein in a mercury intrusion method applied to the porous magnetic core particles, a pore diameter in which a differential pore volume in the specific pore diameter range becomes maximum is in a specific range, and when the maximum value of a differential pore volume in the specific pore diameter range is defined as P1 and the maximum value of a differential pore volume in the specific pore diameter range is defined as P2, P1 is in a specific range and the ratio P2/P1 is in a specific range.

Abstract translation: 提供磁性载体和双组分显影剂，以在低图像比例下广泛操作之后，在复印机体在高温和高湿度环境中静置一周后进行印刷时，产生雾化。 磁性载体包括包括多孔磁性核颗粒和树脂的磁性载体颗粒，其中在施加到多孔磁性核颗粒的水银侵入方法中，特定孔径范围内的微孔容积最大的孔径在 特定范围，并且当将特定孔径范围的不同孔体积的最大值定义为P1，将特定孔径范围的微孔容积的最大值定义为P2时，P1处于特定范围，并且 比例P2 / P1处于特定范围内。

公开(公告)号：US20090263739A1

公开(公告)日：2009-10-22

申请号：US12403544

申请日：2009-03-13

Applicant: Takao SUGIURA ,  Takeshi GONDO ,  Hiromichi KOBAYASHI

Inventor： Takao SUGIURA ,  Takeshi GONDO ,  Hiromichi KOBAYASHI

IPC: G03G9/107 ,  G03G9/113

CPC classification number: G03G9/107 ,  G03G9/1131 ,  G03G9/1136 ,  G03G9/1137

Abstract: A resin-filled carrier for an electrophotographic developer obtained by filling resin into voids of a porous ferrite core material, wherein the porous ferrite core material has a pore volume of 0.04 to 0.16 mL/g and a peak pore size of 0.9 to 2.0 μm, and an electrophotographic developer using this resin-filled carrier.

Abstract translation: 一种用于电子照相显影剂的树脂填充载体，其通过将树脂填充到多孔铁氧体磁芯材料的空隙中而获得，其中多孔铁氧体磁芯材料的孔体积为0.04至0.16mL / g，峰值孔径为0.9至2.0μm， 和使用该树脂填充载体的电子照相显影剂。

公开(公告)号：US20090246670A1

公开(公告)日：2009-10-01

申请号：US12399217

申请日：2009-03-06

Applicant: Koji AGA ,  Atsushi NII

Inventor： Koji AGA ,  Atsushi NII

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

CPC classification number: G03G9/09708 ,  G03G9/0819 ,  G03G9/0902 ,  G03G9/1133 ,  G03G15/225 ,  G03G15/6585 ,  H05K3/1266 ,  H05K2203/0517

Abstract: Carrier particles for forming a wiring circuit pattern by an electrophotographic developing method which are used for directly forming a circuit shape on an insulating layer, with any of a metal powder, an inorganic compound powder, or a mixed raw material powder thereof used as a toner powder for forming a circuit, the toner powder for forming a circuit being adhered to a surface of the carrier particles by electrostatic force and then transported to a surface of the insulating layer, wherein the carrier particles include a resin coated layer of an acrylic resin composition containing an amino-group-containing polymer on the surface of the carrier core material particles, the coating amount of the acrylic resin composition is 0.3 to 3.0% by weight based on a carrier core material weight of 100% by weight, and a shape factor SF-1 of the carrier core material particles is 100 to 110.

Abstract translation: 用于通过电子照相显影方法形成布线电路图案的载体颗粒，其用作在绝缘层上直接形成电路形状的任何金属粉末，无机化合物粉末或其混合原料粉末用作调色剂 用于形成电路的粉末，用于形成电路的调色剂粉末通过静电力粘附到载体颗粒的表面上，然后传输到绝缘层的表面，其中载体颗粒包括丙烯酸树脂组合物的树脂涂层 在载体芯材颗粒的表面含有含氨基的聚合物，丙烯酸树脂组合物的涂布量基于载体芯材重量为100重量％为0.3〜3.0重量％，形状因子 载体芯材颗粒的SF-1为100〜110。