公开(公告)号：US09709912B2

公开(公告)日：2017-07-18

申请号：US14042993

申请日：2013-10-01

申请人： Kazuoki Fuwa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Yuta Takeuchi ,  Tomohiro Fukao ,  Tomoharu Miki ,  Takayuki Nakamura

发明人： Kazuoki Fuwa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Yuta Takeuchi ,  Tomohiro Fukao ,  Tomoharu Miki ,  Takayuki Nakamura

IPC分类号： G03G9/087 ,  G03G13/08 ,  G03G13/06

CPC分类号： G03G9/08797 ,  G03G9/08755 ,  G03G9/08795 ,  G03G13/06 ,  G03G13/08

摘要： A toner is provided. The toner includes a crystalline resin and a non-crystalline resin, and has a thermal property such that when the toner is heated after being firstly heated to 60° C. followed by cooling in differential scanning calorimetry (DSC), the toner has a clear peak specific to melting of the crystalline resin at a temperature T1, and when the toner is heated after being firstly heated to 80° C. followed by cooling in the differential scanning calorimetry (DSC), the toner does not have a clear peak specific to melting of the crystalline resin at a temperature not higher than the temperature T1.

公开(公告)号：US20140038095A1

公开(公告)日：2014-02-06

申请号：US14112407

申请日：2012-04-25

申请人： Yoshimichi Ishikawa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

发明人： Yoshimichi Ishikawa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0825 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： A toner including: toner particles each including a toner base particle and an external additive attached thereon, where the toner base particle includes a binder resin and a colorant, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.10 μm or more but less than 0.50 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of the toner base particle is 10% to 90%, and the external additive includes fine inorganic particles whose surfaces have been treated with an amino group-containing silane coupling agent.

摘要翻译： 一种调色剂，包括：各自包含调色剂基础颗粒和附着在其上的外部添加剂的调色剂颗粒，其中调色剂基础颗粒包含粘合剂树脂和着色剂，其中调色剂基础颗粒在其表面上各具有突起，其平均长度 突起的长边为0.10μm以上且小于0.50μm，突起的长边的长度的标准偏差为0.2以下，调色剂母粒表面的突起的覆盖率为10 ％〜90％，外部添加剂包括表面已经用含氨基的硅烷偶联剂处理的无机微粒。

公开(公告)号：US08518625B2

公开(公告)日：2013-08-27

申请号：US13113576

申请日：2011-05-23

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Chieko Yamazaki ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Chieko Yamazaki ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/087

CPC分类号： G03G9/0825 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08726 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09733

摘要： An electrostatic image developing toner including toner core particles each containing at least a first resin and a colorant, and fine resin particles formed of a second resin, wherein part of each of the fine resin particles is embedded in each of the toner core particles, and the remaining part of the fine resin particle is exposed on a surface of the toner core particle to form a protrusion, and wherein when a rate of the part of the fine resin particle to the fine resin particle is indicated by an embedment rate, an average of the embedment rates in the fine resin particles is 40% to 80%.

摘要翻译： 一种静电图像显影调色剂，其包含各自含有至少第一树脂和着色剂的调色剂芯颗粒和由第二树脂形成的细小树脂颗粒，其中每个微粒树脂颗粒的一部分嵌入每个调色剂核颗粒中，以及 在调色剂芯颗粒的表面上露出剩余部分的细树脂颗粒以形成突起，并且当树脂微粒的一部分与细树脂颗粒的比率以嵌入率表示时，平均值 的树脂微粒中的嵌入率为40％〜80％。

公开(公告)号：US20120237253A1

公开(公告)日：2012-09-20

申请号：US13417741

申请日：2012-03-12

申请人： Tomohiro FUKAO ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro FUKAO ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G21/18 ,  G03G9/093 ,  G03G15/08

CPC分类号： G03G21/18 ,  G03G9/0935 ,  G03G9/09371 ,  G03G9/09392

摘要： An electrostatic image developing toner including: toner particles; wherein the toner particles each contain: a core particle including a first resin and a colorant; and fine resin particles each formed of a second resin and existing in a surface of the core particle, wherein part of each fine resin particle is embedded in the core particle to form an embedded region, and the remaining part of the fine resin particle is exposed on the surface of the core particle to form an exposed region, and wherein each toner particle satisfies an expression of R1>R1′ where, in a cross-section of the toner particle, R1′ denotes an average diameter of openings of the first resin in which the second resin is embedded and R1 denotes an average diameter of the exposed regions.

摘要翻译： 一种静电图像显影调色剂，包括：调色剂颗粒; 其中所述调色剂颗粒各自包含：包含第一树脂和着色剂的芯颗粒; 以及由芯粒子的表面存在的第二树脂形成的细小树脂粒子，其中，每个细树脂粒子的一部分嵌入在核心粒子中，形成嵌入区域，其余部分的树脂微粒暴露 在芯颗粒的表面上形成暴露区域，并且其中每个调色剂颗粒满足R1> R1'的表达式，其中在调色剂颗粒的横截面中，R1'表示第一树脂的开口的平均直径 其中嵌入第二树脂，R1表示暴露区域的平均直径。

公开(公告)号：US20120219321A1

公开(公告)日：2012-08-30

申请号：US13504771

申请日：2010-10-27

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Tomoharu Miki ,  Kazuoki Fuwa

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Tomoharu Miki ,  Kazuoki Fuwa

IPC分类号： G03G21/18 ,  G03G9/16 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08797 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08795 ,  G03G9/09307

摘要： A toner including a binder resin, a colorant and protruding portions on a surface of the toner, wherein the average length of long sides of the protruding portions is 0.1 μm or greater, but less than 0.5 μm, wherein the standard deviation of the lengths of the long sides of the protruding portions is 0.2 or less, and wherein the protruding portions have a coverage of 30% to 90%.

摘要翻译： 一种调色剂，包括粘合剂树脂，着色剂和调色剂表面上的突出部分，其中突出部分的长边的平均长度为0.1μm以上但小于0.5μm，其中，长度的标准偏差 突出部的长边为0.2以下，突出部的覆盖率为30％〜90％。

公开(公告)号：US20110287356A1

公开(公告)日：2011-11-24

申请号：US13113576

申请日：2011-05-23

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Chieko Yamazaki ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Chieko Yamazaki ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/08 ,  G03G15/08 ,  G03G9/087

CPC分类号： G03G9/0825 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08726 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09733

摘要： An electrostatic image developing toner including toner core particles each containing at least a first resin and a colorant, and fine resin particles formed of a second resin, wherein part of each of the fine resin particles is embedded in each of the toner core particles, and the remaining part of the fine resin particle is exposed on a surface of the toner core particle to form a protrusion, and wherein when a rate of the part of the fine resin particle to the fine resin particle is indicated by an embedment rate, an average of the embedment rates in the fine resin particles is 40% to 80%.

摘要翻译： 一种静电图像显影调色剂，其包含各自含有至少第一树脂和着色剂的调色剂芯颗粒和由第二树脂形成的细小树脂颗粒，其中每个微粒树脂颗粒的一部分嵌入每个调色剂核颗粒中，以及 在调色剂芯颗粒的表面上露出剩余部分的细树脂颗粒以形成突起，并且当树脂微粒的一部分与细树脂颗粒的比率以嵌入率表示时，平均值 的树脂微粒中的嵌入率为40％〜80％。

公开(公告)号：US09268244B2

公开(公告)日：2016-02-23

申请号：US14113487

申请日：2012-04-25

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/093 ,  G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/0827 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.1 μm or more but less than 0.5 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of each toner base particle is 10% to 90%, and the external additive includes an external additive (A) which is fine inorganic particles each containing silicone oil.

摘要翻译： 一种静电图像显影调色剂，包括：各自包含粘合剂树脂和着色剂的调色剂基础颗粒; 和外部添加剂，其中调色剂基础颗粒在其表面上各具有突起，突起的长边的平均长度为0.1μm以上且小于0.5μm，长边的长度的标准偏差 突起为0.2以下，各调色剂母粒表面的突起的覆盖率为10％〜90％，外部添加剂为含有硅油的无机微粒的外部添加剂（A）。

公开(公告)号：US20140147784A1

公开(公告)日：2014-05-29

申请号：US14089012

申请日：2013-11-25

申请人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Yuta Takeuchi ,  Tomoharu Miki ,  Takayuki Nakamura ,  Naoki Nakatake ,  Yasuhide Matsuno

发明人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Yuta Takeuchi ,  Tomoharu Miki ,  Takayuki Nakamura ,  Naoki Nakatake ,  Yasuhide Matsuno

IPC分类号： G03G9/08 ,  G03G15/08

CPC分类号： G03G9/08 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/09725 ,  G03G15/0813

摘要： An image forming apparatus, including: an electrostatic latent image bearing member; an electrostatic latent image forming unit configured to form an electrostatic latent image on the electrostatic latent image bearing member; and a developing unit containing a toner and configured to develop the electrostatic latent image with the toner to thereby form a visible image, wherein the developing unit is a contact type one-component developing unit which includes a toner bearing member being in contact with the electrostatic latent image bearing member, wherein a contact pressure between the electrostatic latent image bearing member and the toner bearing member is 2.0×104 N/m2 to 7.5×104 N/m2, wherein the toner contains a binder resin and a releasing agent, and wherein an extracted amount of the releasing agent extracted with hexane from the toner is 10 mg/g to 25 mg/g.

摘要翻译： 一种图像形成装置，包括：静电潜像承载部件; 静电潜像形成单元，被配置为在静电潜像承载部件上形成静电潜像; 以及显影单元，其包含调色剂并且被配置为利用调色剂显影静电潜像，从而形成可见图像，其中所述显影单元是接触型单组分显影单元，其包括与静电相接触的调色剂承载部件 潜像承载部件，其中所述静电潜像承载部件和所述调色剂承载部件之间的接触压力为2.0×10 4 N / m 2至7.5×10 4 N / m 2，其中所述调色剂含有粘合剂树脂和脱模剂，并且其中 从调色剂中用己烷萃取的脱模剂的提取量为10mg / g至25mg / g。

公开(公告)号：US20140050504A1

公开(公告)日：2014-02-20

申请号：US14113487

申请日：2012-04-25

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/08

CPC分类号： G03G9/0827 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.1 μm or more but less than 0.5 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of each toner base particle is 10% to 90%, and the external additive includes an external additive (A) which is fine inorganic particles each containing silicone oil.

摘要翻译： 一种静电图像显影调色剂，包括：各自包含粘合剂树脂和着色剂的调色剂基础颗粒; 和外部添加剂，其中调色剂基础颗粒在其表面上各具有突起，突起的长边的平均长度为0.1μm以上且小于0.5μm，长边的长度的标准偏差 突起为0.2以下，各调色剂母粒表面的突起的覆盖率为10〜90％，外部添加剂为含有硅油的无机微粒的外用添加剂（A）。

公开(公告)号：US20110250533A1

公开(公告)日：2011-10-13

申请号：US13084120

申请日：2011-04-11

申请人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Atsushi Yamamoto ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

发明人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Atsushi Yamamoto ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

IPC分类号： G03G9/00 ,  G03G21/18 ,  G03G15/08

CPC分类号： G03G9/0804 ,  G03G9/0806 ,  G03G9/08704 ,  G03G9/08708 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： To provide a toner for an electrostatic image developer, including: a core particle obtained by dispersing, in an aqueous medium, an oil phase prepared by dissolving or dispersing at least a binder resin, a colorant and a release agent in an organic solvent; and a shell layer formed of vinyl resin fine particles present on a surface of the core particle, wherein the shell layer has protruding portions formed of the vinyl resin fine particles, and wherein the vinyl resin fine particles contain 80% by mass or more of an aromatic compound which has a vinyl-polymerizable functional group, and a vinyl resin which forms the vinyl resin fine particles has a weight average molecular weight of 8,000 to 16,000.

摘要翻译： 为了提供一种用于静电图像显影剂的调色剂，包括：通过在水性介质中分散通过将至少粘合剂树脂，着色剂和脱模剂溶解或分散在有机溶剂中而制备的油相而获得的核心颗粒; 以及存在于芯粒子表面上的乙烯基树脂微粒形成的壳层，其中，所述壳层具有由所述乙烯基树脂微粒形成的突出部，所述乙烯基树脂微粒含有80质量％以上的 具有乙烯基聚合性官能团的芳香族化合物和形成乙烯基树脂微粒的乙烯基树脂的重均分子量为8,000〜16,000。