公开(公告)号：US20120264046A1

公开(公告)日：2012-10-18

申请号：US13446427

申请日：2012-04-13

Applicant: Junya ONISHI ,  Shiro HIRANO ,  Satoshi UCHINO ,  Noboru UEDA ,  Shinya OBARA

Inventor： Junya ONISHI ,  Shiro HIRANO ,  Satoshi UCHINO ,  Noboru UEDA ,  Shinya OBARA

IPC: G03G9/093

CPC classification number: G03G9/09328 ,  G03G9/09364 ,  G03G9/09392

Abstract: Disclosed is a toner for electrostatic image development that satisfies both low-temperature fixing ability and excellent high-temperature storage stability, achieves excellent charge property and shatter resistance, and consequently can form a high-quality image even by a high-performance machine such as a high-speed machine.The toner is composed of toner particles obtained by forming a shell layer containing a styrene-acryl-modified polyester resin on the surface of each of core particles comprising a binder resin containing at least a styrene-acrylic resin. The styrene-acryl-modified polyester resin is obtained bonding a styrene-acrylic polymer segment to a terminal of a polyester segment, and the content of the styrene-acrylic polymer segment in the styrene-acryl-modified polyester resin is 5% by mass or more and 30% by mass or less.

Abstract translation: 公开了一种静电图像显影用调色剂，其既满足低温定影性也具有优异的高温保存稳定性，可以获得优异的充电性和抗碎裂性，并且因此即使通过高性能机器也能形成高质量的图像，例如 一台高速机。 该调色剂由在包含至少含有苯乙烯 - 丙烯酸树脂的粘合剂树脂的每个核心颗粒的表面上形成含有苯乙烯 - 丙烯酸改性聚酯树脂的壳层而获得的调色剂颗粒组成。 得到苯乙烯 - 丙烯酸改性聚酯树脂，将苯乙烯 - 丙烯酸聚合物链段连接到聚酯链段的末端，苯乙烯 - 丙烯酸改性聚酯树脂中苯乙烯 - 丙烯酸聚合物链段的含量为5质量％ 多于30质量％以下。

公开(公告)号：US07682766B2

公开(公告)日：2010-03-23

申请号：US11736818

申请日：2007-04-18

Applicant: Shingo Fujimoto ,  Takao Yamanouchi ,  Hirofumi Koga ,  Masaaki Kondo ,  Shiro Hirano ,  Junya Onishi

Inventor： Shingo Fujimoto ,  Takao Yamanouchi ,  Hirofumi Koga ,  Masaaki Kondo ,  Shiro Hirano ,  Junya Onishi

IPC: G03G13/16

CPC classification number: G03G5/14704 ,  G03G9/0821 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09783 ,  G03G9/09791

Abstract: In an image forming method in which a toner image, which is visualized via an electrostatic latent image formed on an electrophotographic photoreceptor, employing a developer incorporating toner, is transferred onto a recording material followed by fixing, and any residual toner remaining on the electrophotographic photoreceptor is removed, an image forming method in which an electrophotographic photoreceptor and a toner which satisfy specified requirements are employed and image formation is carried out while feeding a surface energy lowering agent from the developer onto the aforesaid electrophotographic photoreceptor, and an image forming apparatus employing the same.

Abstract translation: 在其中将通过电子照相感光体上形成的静电潜像显影的调色剂图像转印到记录材料上并进行定影的图像形成方法中，并将残留在电子照相感光体上的残留调色剂 被去除的图像形成方法，其中使用满足特定要求的电子照相感光体和调色剂，并且在将表面能降低剂从显影剂供给到上述电子照相感光体上的同时进行图像形成，以及使用 相同。

公开(公告)号：US20080038654A1

公开(公告)日：2008-02-14

申请号：US11779765

申请日：2007-07-18

Applicant: Hiroshi YAMAZAKI ,  Ken OHMURA ,  Yoshiyasu MATSUMOTO ,  Shiro HIRANO

Inventor： Hiroshi YAMAZAKI ,  Ken OHMURA ,  Yoshiyasu MATSUMOTO ,  Shiro HIRANO

IPC: G03G9/00

CPC classification number: G03G9/107 ,  G03G9/08704 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/10 ,  G03G9/1075 ,  G03G9/113

Abstract: An electrophotographic developer comprising a toner and a carrier is disclosed. The contains a toner binder resin, a colorant and a releasing agent, and a carrier contains magnetic particles dispersed in a carrier binder resin, wherein the releasing agent contains a first releasing agent component of a linear-chain hydrocarbon compound having a melting point of from 50 to 100° C. in a ratio of from 10 to 95% by weight and a second releasing agent component comprising a branched-chain structure hydrocarbon compound having a melting point of from 50 to 100° C. in a ratio of from 5 to 90% by weight, and the carrier has a shape coefficient SF-1 of from 1.0 to 1.2, a shape-coefficient SF-2 of from 1.1 to 2.5 and a volume based median diameter of from 10 to 100 μm.

Abstract translation: 公开了包含调色剂和载体的电子照相显影剂。 含有调色剂粘合剂树脂，着色剂和脱模剂，载体包含分散在载体粘合剂树脂中的磁性颗粒，其中脱模剂含有熔点为以下的直链烃化合物的第一脱模剂组分 50〜100℃，比例为10〜95重量％，第二脱模剂成分，其含有熔点为50〜100℃的支链结构烃化合物，比例为5〜 90重量％，载体的形状系数SF-1为1.0〜1.2，形状系数SF-2为1.1〜2.5，体积基准中值粒径为10〜100μm。

公开(公告)号：US07276319B2

公开(公告)日：2007-10-02

申请号：US10798200

申请日：2004-03-11

Applicant: Naohiro Hirose ,  Asao Matsushima ,  Shiro Hirano ,  Hiroshi Yamazaki

Inventor： Naohiro Hirose ,  Asao Matsushima ,  Shiro Hirano ,  Hiroshi Yamazaki

IPC: G03G9/09

CPC classification number: G03G9/0819 ,  G03G9/0806 ,  G03G9/08797 ,  G03G9/09775

Abstract: A toner for electrostatic latent image development includes a coloring agent and a resin wherein the toner is formed by a polymerization method and a content of aromatic amine contained in the toner is 50 ppm or less, and a volume average particle size of the toner is 3 to 8 μm; and an image forming method employs the same toner.

Abstract translation: 用于静电潜像显影的调色剂包括着色剂和树脂，其中通过聚合方法形成调色剂，并且调色剂中所含的芳族胺的含量为50ppm以下，调色剂的体积平均粒径为3 至8岁 并且图像形成方法使用相同的调色剂。

公开(公告)号：US07125637B2

公开(公告)日：2006-10-24

申请号：US10760683

申请日：2004-01-20

Applicant: Ken Ohmura ,  Hiroshi Yamazaki ,  Asao Matsushima ,  Shiro Hirano

Inventor： Ken Ohmura ,  Hiroshi Yamazaki ,  Asao Matsushima ,  Shiro Hirano

IPC: G03G9/087

CPC classification number: G03G9/0827

Abstract: In a toner for developing electrostatic latent images, average circularity is 0.94–0.98, the average value of the equivalent circular diameter is 2.6–7.4 μm and the gradient of the circularity to the equivalent circular diameter is from −0.005 to −0.001, and an image forming method using the same.

Abstract translation: 在用于显影静电潜像的调色剂中，平均圆形度为0.94-0.98，当量圆直径的平均值为2.6-7.4μm，圆形度与等效圆直径的梯度为-0.005至-0.001， 图像形成方法使用该图像形成方法。

公开(公告)号：US06844126B2

公开(公告)日：2005-01-18

申请号：US10310726

申请日：2002-12-04

Applicant: Ken Ohmura ,  Asao Matsushima ,  Shiro Hirano ,  Hiroshi Yamazaki

Inventor： Ken Ohmura ,  Asao Matsushima ,  Shiro Hirano ,  Hiroshi Yamazaki

IPC: G03G9/08 ,  G03G9/087

CPC classification number: G03G9/0827

Abstract: An electrostatic latent image developing toner is disclosed. The toner particles has an average of circularity of 0.94 to 0.98; an average of circle equivalent diameter of 2.6 to 7.4 μm; and gradient of the circularity with respect to the circle-equivalent diameter of −0.050 to −0.010.

Abstract translation: 公开了一种静电潜像显影调色剂。 调色剂颗粒的平均圆形度为0.94至0.98; 平均圆当量直径2.6〜7.4μm; 相对于圆当量直径为-0.050〜-0.010的圆度的梯度。

公开(公告)号：US06811941B2

公开(公告)日：2004-11-02

申请号：US10201403

申请日：2002-07-22

Applicant: Kazuhisa Horiuchi ,  Tatsuya Nagase ,  Meizo Shirose ,  Hiroshi Yamazaki ,  Hiroyuki Yamada ,  Ken Ohmura ,  Asao Matsushima ,  Shiro Hirano ,  Yoshiki Nishimori

Inventor： Kazuhisa Horiuchi ,  Tatsuya Nagase ,  Meizo Shirose ,  Hiroshi Yamazaki ,  Hiroyuki Yamada ,  Ken Ohmura ,  Asao Matsushima ,  Shiro Hirano ,  Yoshiki Nishimori

IPC: G03G908

CPC classification number: G03G9/0827 ,  G03G9/0804 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0825

Abstract: Disclosed is an electrostatic image developing toner comprising a coloring agent and toner particles, said toner particles have a matrix-domain structure, and the average of the area of a Voronoi polygon formed by the perpendicular bisecting line between the centers of gravity of domains adjacent to each other in said matrix-domain structure is from 20,000 to 120,000 nm2, and the variation coefficient of the area of said Voronoi polygon is less than or equal to 25 percent. Color image having, particularly good transparency and excellent color difference, can be obtained by the toner which is not affected by a residual material present on the surface of toner particles and does not result in variation of the amount of static charge at high temperature as well as at high humidity or after long leaving without operation.

Abstract translation: 公开了一种静电图像显影调色剂，其包含着色剂和调色剂颗粒，所述调色剂颗粒具有矩阵结构，并且由相邻的畴的重心之间的垂直平分线形成的Voronoi多边形的面积的平均值 所述矩阵域结构中的彼此之间为20,000〜120,000nm 2，并且所述Voronoi多边形的面积的变异系数小于或等于25％。具有特别好的透明度和优异的色差的彩色图像 可以通过不受调色剂颗粒表面上残留物质影响的调色剂获得，并且不会导致在高温以及高湿度下或长时间不离开操作时静电量的变化。

公开(公告)号：US07727697B2

公开(公告)日：2010-06-01

申请号：US11779107

申请日：2007-07-17

Applicant: Shiro Hirano ,  Shingo Fujimoto ,  Takao Yamanouchi ,  Hirofumi Koga ,  Masaaki Kondo ,  Junya Onishi

Inventor： Shiro Hirano ,  Shingo Fujimoto ,  Takao Yamanouchi ,  Hirofumi Koga ,  Masaaki Kondo ,  Junya Onishi

IPC: G03G9/08

CPC classification number: G03G9/08797 ,  G03G9/0806 ,  G03G9/08711 ,  G03G9/08793 ,  G03G9/08795

Abstract: An electrophotographic toner is disclosed, meeting the requirement that a ratio of a storage modulus at 60° C. [G′(60)] to a storage modulus at 80° C. [G′(80)], G′(60)/G′(80) is from 1×102 to 1×104; a ratio of a storage modulus at 100° C. [G′(100)] to a storage modulus at 120° C. [G′(120)], G′(100)/G′(120) is from 1 to 10; and a storage modulus at a temperature of from 140 to 160° C., [G′(140-160)] is not less than 102 dyn/cm2.

Abstract translation: 公开了一种电子照相调色剂，满足在60℃下的储能模量[G'（60）]与80℃下的储能模量[G'（80）]，G'（60） / G'（80）为1×102〜1×104; 在100℃下的储能模量[G'（100）]与120℃下的储能模量的比率[G'（120）]，G'（100）/ G'（120）为1〜 10; 和在140〜160℃的温度下的储能模量，[G'（140〜160）]为102dyn / cm 2以上。

公开(公告)号：US20090291377A1

公开(公告)日：2009-11-26

申请号：US12469063

申请日：2009-05-20

Applicant: Naohiro HIROSE ,  Meizo Shirose ,  Kaori Soeda ,  Shiro Hirano ,  Shinya Obara

Inventor： Naohiro HIROSE ,  Meizo Shirose ,  Kaori Soeda ,  Shiro Hirano ,  Shinya Obara

IPC: G03G9/09

CPC classification number: G03G9/0918 ,  G03G9/0906 ,  G03G9/0914 ,  G03G9/0924 ,  G03G9/09783

Abstract: A set of toners comprising a yellow toner, a magenta toner, a cyan toner and a black toner for forming a full color image with an electrophotographic method, wherein the yellow toner comprises toner particles containing at least one pigment selected from the group consisting of C. I. Pigment Yellow 74, C. I. Pigment Yellow 139, C. I. Pigment Yellow 155, C. I. Pigment Yellow 180 and C. I. Pigment Yellow 185; the magenta toner comprises toner,particles containing a dye represented by Formula (X-1) and a metal compound represented by Formula (1); and the cyan toner comprises toner particles containing a silicon phthalocyanine represented by Formula (2):

Abstract translation: 一种调色剂，其包含黄色调色剂，品红色调色剂，青色调色剂和用电子照相方法形成全色图像的黑色调色剂，其中所述黄色调色剂包含含有选自由CI组成的组中的至少一种颜料的调色剂颗粒 颜料黄74，CI颜料黄139，CI颜料黄155，CI颜料黄180和CI颜料黄185; 品红色调色剂包含调色剂，含有由式（X-1）表示的染料的颗粒和由式（1）表示的金属化合物; 并且青色调色剂包含含有由式（2）表示的硅酞菁的调色剂颗粒：

公开(公告)号：US07517628B2

公开(公告)日：2009-04-14

申请号：US11355358

申请日：2006-02-16

Applicant: Shiro Hirano ,  Shingo Fujimoto ,  Takao Yamanouchi ,  Junya Onishi

Inventor： Shiro Hirano ,  Shingo Fujimoto ,  Takao Yamanouchi ,  Junya Onishi

IPC: G03G9/08

CPC classification number: G03G9/09392 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/08711 ,  G03G9/08733 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09321

Abstract: Disclosed is a toner having a core/shell structure and including a hydrophilic resin and a hydrophobic resin, and a manufacturing method thereof.

Abstract translation: 公开了具有核/壳结构并包括亲水性树脂和疏水性树脂的调色剂及其制造方法。