公开(公告)号：US08642238B2

公开(公告)日：2014-02-04

申请号：US13557568

申请日：2012-07-25

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

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

IPC分类号： G03G9/087

CPC分类号： G03G9/0825 ,  G03G9/08706 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner including: a core particle; and fine resin particles, the core particle containing at least a binder resin, a releasing agent and a colorant, wherein the toner is in shape of particles, and each toner particle has a sea-island structure having the core particle and island portions, which are convex portions formed from the fine resin particles on surface of the core particle, wherein the binder resin contains first and second resins, and the fine resin particles are made of third resin, wherein the first resin is crystalline resin, and the second and third resins are non-crystalline resin, wherein the second resin has glass transition temperature (Tg2) and the crystalline resin has melting point (Tc1) where Tg2 is higher than Tc1, and wherein the third resin has glass transition temperature (Tg3) and the toner has glass transition temperature (Tgt) wherein Tg3 is higher than Tgt.

摘要翻译： 一种调色剂，包括：芯颗粒; 和至少含有粘合剂树脂，脱模剂和着色剂的核心颗粒的细颗粒，其中调色剂是颗粒形状，并且每个调色剂颗粒具有具有核心颗粒和岛部分的海岛结构，其中 是由芯粒子的表面上的微细树脂粒子形成的凸部，其中粘合剂树脂含有第一和第二树脂，并且细小树脂颗粒由第三树脂制成，其中第一树脂是结晶树脂，第二和第三 树脂是非结晶性树脂，其中第二树脂具有玻璃化转变温度（Tg2），并且结晶树脂具有Tg2高于Tc1的熔点（Tc1），并且其中第三树脂具有玻璃化转变温度（Tg3），并且调色剂 具有Tg3高于Tgt的玻璃化转变温度（Tgt）。

公开(公告)号：US08623581B2

公开(公告)日：2014-01-07

申请号：US13422801

申请日：2012-03-16

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： G03G15/08 ,  B82Y30/00 ,  G03G9/0825 ,  G03G9/093 ,  G03G9/09307 ,  G03G9/09392 ,  G03G9/097 ,  G03G9/09725

摘要： An electrostatic image developing toner including: toner particles each containing binder resin and colorant; and an external additive supported on the toner particles, wherein the toner particles each have protrusions on surface thereof, average of lengths of long sides of the protrusions is 0.10 μm or more but less than 0.50 μm, standard deviation of the lengths of the long sides of the protrusions is 0.20 or less, coverage rate of the protrusions on the surface of each toner particle is 30% to 90%, the external additive includes at least two different particles including external additive (A) and one or more external additives (B), external additive (A) has longest average primary particle diameter among the external additives and charged to have the opposite polarity to the toner particles, and at least one of the external additives (B) is charged to have the same polarity as the toner particles.

摘要翻译： 一种静电图像显影调色剂，包括：各自含有粘合剂树脂和着色剂的调色剂颗粒; 和负载在调色剂颗粒上的外部添加剂，其中调色剂颗粒各自在其表面上具有突起，突起的长边的平均长度为0.10μm以上且小于0.50μm，长边的长度的标准偏差 的突出物的厚度为0.20以下，各调色剂颗粒表面的突起的覆盖率为30〜90％，外部添加剂包含至少2种不同的颗粒，包括外部添加剂（A）和一种或多种外部添加剂（B ），外部添加剂（A）在外部添加剂中具有最长的平均一次粒径，并且被充入具有与调色剂颗粒相反的极性，并且至少一种外部添加剂（B）被充入具有与调色剂相同的极性 粒子。

公开(公告)号：US09360824B2

公开(公告)日：2016-06-07

申请号：US14791658

申请日：2015-07-06

申请人： Tomohiro Fukao ,  Tsuyoshi Nozaki ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki ,  Naoki Nakatake ,  Takeshi Yamashita ,  Tetsushi Sakuma

发明人： Tomohiro Fukao ,  Tsuyoshi Nozaki ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki ,  Naoki Nakatake ,  Takeshi Yamashita ,  Tetsushi Sakuma

IPC分类号： G03G21/00

CPC分类号： G03G21/0011 ,  G03G21/0017 ,  G03G2215/0132

摘要： An image forming apparatus is provided which includes an image bearer, a charger, an irradiator, a developing device to develop an electrostatic latent image on the image bearer with a toner to form a toner image, a transfer device to transfer the toner image onto a transfer medium, and a cleaner to remove toner particles remaining on the image bearer without being transferred. The toner includes a mother particle including a binder resin and a colorant and one or more external additives. At least one of the external additives includes primary particles having a number average particle diameter in the range of 0.05 to 0.30 μm. The cleaner includes an elastic body blade having a contact part with the image bearer. The contact part has a surface elastic modulus in the range of 15 to 25 N/mm2 and a surface friction coefficient in the range of 0.5 to 0.7.

摘要翻译： 提供一种图像形成装置，其包括图像载体，充电器，照射器，显影装置，用调色剂显影图像载体上的静电潜像以形成调色剂图像;转印装置，用于将调色剂图像转印到 转印介质和清洁剂以除去残留在图像载体上的调色剂颗粒而不被转印。 调色剂包括包含粘合剂树脂和着色剂的母体颗粒和一种或多种外部添加剂。 外部添加剂中的至少一种包括数均粒径为0.05〜0.30μm的一次粒子。 清洁器包括具有与图像承载体的接触部分的弹性体刀片。 接触部的表面弹性模量为15〜25N / mm 2，表面摩擦系数为0.5〜0.7。

公开(公告)号：US07749671B2

公开(公告)日：2010-07-06

申请号：US11521385

申请日：2006-09-15

申请人： Atsushi Yamamoto ,  Masahide Inoue ,  Chiyoshi Nozaki ,  Minoru Nakamura ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Hiroaki Kato ,  Takuya Kadota ,  Katsunori Kurose ,  Hideaki Yasunaga ,  Yoshimichi Ishikawa

发明人： Atsushi Yamamoto ,  Masahide Inoue ,  Chiyoshi Nozaki ,  Minoru Nakamura ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Hiroaki Kato ,  Takuya Kadota ,  Katsunori Kurose ,  Hideaki Yasunaga ,  Yoshimichi Ishikawa

IPC分类号： G03G9/08

CPC分类号： G03G9/09725 ,  G03G9/09708

摘要： To provide a toner containing at least a toner base containing a binder resin and a colorant, and an inorganic fine particle, wherein the inorganic fine particle contains a compound oxide expressed by the following Composition Formula (1): [M1]aSibOc  Composition Formula (1) where “M1” represents a metal element selected from Sr, Mg, Zn, Co, Mn and Ce, “a” and “b” each represents an integer of 1 to 9 and “c” represents an integer of 3 to 9, wherein an average primary particle diameter of the compound oxide is 0.02 μm to 1.5 μm, and an average secondary particle diameter of the compound oxide is 0.08 μm to 3.5 μm, where the secondary particle is an aggregate of the primary particles.

摘要翻译： 为了提供含有至少含有粘合剂树脂和着色剂的调色剂底物的调色剂和无机细颗粒，其中无机细颗粒含有由以下组合式（1）表示的复合氧化物：[M1] aSibOc组成式（ 1）其中“M1”表示选自Sr，Mg，Zn，Co，Mn和Ce的金属元素，“a”和“b”各自表示1〜9的整数，“c”表示3〜9的整数 其中复合氧化物的平均一次粒径为0.02μm〜1.5μm，复合氧化物的平均二次粒径为0.08μm〜3.5μm，二次粒子为一次粒子的集合体。

公开(公告)号：US20070059625A1

公开(公告)日：2007-03-15

申请号：US11521385

申请日：2006-09-15

申请人： Atsushi Yamamoto ,  Masahide Inoue ,  Chiyoshi Nozaki ,  Minoru Nakamura ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Hiroaki Kato ,  Takuya Kadota ,  Katsunori Kurose ,  Hideaki Yasunaga ,  Yoshimichi Ishikawa

发明人： Atsushi Yamamoto ,  Masahide Inoue ,  Chiyoshi Nozaki ,  Minoru Nakamura ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Hiroaki Kato ,  Takuya Kadota ,  Katsunori Kurose ,  Hideaki Yasunaga ,  Yoshimichi Ishikawa

IPC分类号： G03G9/09 ,  G03G9/08

CPC分类号： G03G9/09725 ,  G03G9/09708

摘要： To provide a toner containing at least a toner base containing a binder resin and a colorant, and an inorganic fine particle, wherein the inorganic fine particle contains a compound oxide expressed by the following Composition Formula (1): [M1]aSibOc  Composition Formula (1) where “M1” represents a metal element selected from Sr, Mg, Zn, Co, Mn and Ce, “a” and “b” each represents an integer of 1 to 9 and “c” represents an integer of 3 to 9, wherein an average primary particle diameter of the compound oxide is 0.02 μm to 1.5 μm, and an average secondary particle diameter of the compound oxide is 0.08 μm to 3.5 μm, where the secondary particle is an aggregate of the primary particles.

摘要翻译： 为了提供含有至少含有粘合剂树脂和着色剂的调色剂底物的调色剂和无机细颗粒，其中无机细颗粒含有由以下组合式（1）表示的复合氧化物：<β在线式 描述=“在线公式”end =“lead”？> [M1] a组合式（1）

公开(公告)号：US08043779B2

公开(公告)日：2011-10-25

申请号：US11684131

申请日：2007-03-09

申请人： Hideaki Yasunaga ,  Hiroaki Kato ,  Masayuki Hagi ,  Katsunori Kurose ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Takuya Kadota

发明人： Hideaki Yasunaga ,  Hiroaki Kato ,  Masayuki Hagi ,  Katsunori Kurose ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Takuya Kadota

IPC分类号： G03G9/087

CPC分类号： G03G21/0011 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09725 ,  G03G2215/0602

摘要： To provide a pulverized toner excellent in the releasing ability and cleaning ability, and an image-forming apparatus for one-component developer, and a process cartridge using the pulverized toner. The pulverized toner contains a toner base particle containing at least a binder resin, a colorant, and a releasing agent, the mass ratio of the releasing agent to the binder resin is 3.0% to 6.0%, the adhesive force among the pulverized toners at 25° C. to 55° C. is 20 g to 80 g, and the pulverized toner is used for the image-forming apparatus for one-component developer containing the cleaning unit configured to dispose an elastic blade adjacent to the surface of the image bearing member so as to clean the surface.

摘要翻译： 提供脱模能力和清洁能力优异的粉碎调色剂，以及用于单组分显影剂的图像形成装置和使用粉碎调色剂的处理盒。 粉碎的调色剂含有至少含有粘合剂树脂，着色剂和脱模剂的调色剂基础颗粒，脱模剂与粘合剂树脂的质量比为3.0％至6.0％，粉碎调色剂中的粘合力为25 ℃至55℃为20g至80g，并且粉碎的调色剂用于含有清洁单元的单组分显影剂的成像设备，该清洁单元配置为配置与图像承载体的表面相邻的弹性片 以清洁表面。

公开(公告)号：US08053154B2

公开(公告)日：2011-11-08

申请号：US11681530

申请日：2007-03-02

申请人： Takuya Kadota ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Katsunori Kurose ,  Hiroaki Kato ,  Atsushi Yamamoto ,  Yoshimichi Ishikawa ,  Masahide Inoue ,  Minoru Nakamura ,  Hideaki Yasunaga

发明人： Takuya Kadota ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Katsunori Kurose ,  Hiroaki Kato ,  Atsushi Yamamoto ,  Yoshimichi Ishikawa ,  Masahide Inoue ,  Minoru Nakamura ,  Hideaki Yasunaga

IPC分类号： G03G9/097

CPC分类号： G03G9/09783 ,  G03G9/09708 ,  G03G9/09725

摘要： A toner for electrostatic charge development is provided where the toner comprises a colorant and a resin and contains an organic boron compound represented by a following chemical formula (A) as a charge controlling agent, further the toner is treated with an inorganic fine particle and at least one of the inorganic particles is a magnesium silicate compound represented by a following general formula [2] is provided. wherein X is an alkali metal, R1, R2, R3 or R4 each represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom. MgxSiyO(x+2y)  [2] wherein x and y are integers.

摘要翻译： 提供了用于静电电荷显影的调色剂，其中调色剂包括着色剂和树脂，并且含有由以下化学式（A）表示的有机硼化合物作为电荷控制剂，此外，调色剂用无机细颗粒处理，并且在 至少一种无机颗粒是由以下通式[2]表示的硅酸镁化合物。 其中X为碱金属，R 1，R 2，R 3或R 4各自表示氢原子，碳原子数1〜4的烷基，碳原子数1〜4的烷氧基或卤素原子。 MgxSiyO（x + 2y）[2]其中x和y是整数。

公开(公告)号：US20070190443A1

公开(公告)日：2007-08-16

申请号：US11670257

申请日：2007-02-01

申请人： Masayuki Hagi ,  Takuya Kadota ,  Hiroaki Katoh ,  Atsushi Yamamoto ,  Katsunori Kurose ,  Yoshihiro Mikuriya ,  Masahide Inoue ,  Hideaki Yasunaga ,  Minoru Nakamura ,  Yoshimichi Ishikawa ,  Hiroyuki Murakami

发明人： Masayuki Hagi ,  Takuya Kadota ,  Hiroaki Katoh ,  Atsushi Yamamoto ,  Katsunori Kurose ,  Yoshihiro Mikuriya ,  Masahide Inoue ,  Hideaki Yasunaga ,  Minoru Nakamura ,  Yoshimichi Ishikawa ,  Hiroyuki Murakami

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0808 ,  G03G9/0815 ,  G03G9/09708 ,  G03G9/09725 ,  G03G9/09791

摘要： A toner including toner particles including a binder resin, a colorant and a release agent, and an external additive including a first particulate inorganic material having a formula of MgxSiyOx+2y where each of x and y is an integer, and a number average secondary particle diameter of from 0.02 μm to 2 μm, wherein the first atomic ratio (Mg/Si) s in a surface portion of the first particulate inorganic material is not greater than (preferably less than) the second atomic ratio (Mg/Si)e in the entire first particulate inorganic material. Alternatively, a toner including toner particles including a binder resin and a colorant, and an external additive which includes a particulate inorganic material having a formula of MgxSiyOx+2y where each of x and y is an integer and which has a surface treated with a fatty acid.

摘要翻译： 包括调色剂颗粒的调色剂，包括粘合剂树脂，着色剂和脱模剂，以及包含具有下式的第一颗粒无机材料的外部添加剂：具有下式的Mg x Si x + 2y其中x和y各自为整数，数均二次粒径为0.02μm至2μm，其中表面部分中的第一原子比（Mg / Si） 的第一颗粒无机材料在第一颗粒无机材料的整体中不大于（优选小于）第二原子比（Mg / Si）e。 或者，包括包含粘合剂树脂和着色剂的调色剂颗粒的调色剂和包含具有下列化学式的颗粒状无机材料的外部添加剂：具有下列化学式的化合物：具有下式的Mg x Si > x + 2y其中x和y各自是整数，并且具有用脂肪酸处理的表面。

公开(公告)号：US20070217842A1

公开(公告)日：2007-09-20

申请号：US11686801

申请日：2007-03-15

申请人： Hiroaki Kato ,  Hideaki Yasunaga ,  Masayuki Hagi ,  Takuya Kadota ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Yoshihiro Mikuriya ,  Katsunori Kurose ,  Masahide Inoue

发明人： Hiroaki Kato ,  Hideaki Yasunaga ,  Masayuki Hagi ,  Takuya Kadota ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Yoshihiro Mikuriya ,  Katsunori Kurose ,  Masahide Inoue

IPC分类号： G03G21/00

CPC分类号： G03G9/0821 ,  G03G9/0823 ,  G03G9/0827 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G21/0017

摘要： A cleaning device equipped with an elastic blade configured to make contact with an image bearing member to remove a toner remaining on the surface of an image bearing member, wherein the toner comprises at least a releasing agent in toner particles and at least two or more external additives of a first external additive composed of a hydrophobic silica having an average particle diameter of 5 nm to 30 nm and a second external additive composed of a hydrophobic silica having an average particle diameter of 60 nm to 300 nm, and has an average circularity of 0.880 to 0.935; the rebound elasticity modulus of an elastic material used for the elastic blade making contact with the image bearing member is 35% or more under the condition of 25° C, and the number of vibrations at the blade edge is 2.0 kHz to 4.0 kHz.

摘要翻译： 一种装备有弹性刮板的清洁装置，其被配置为与图像承载部件接触以去除残留在图像承载部件的表面上的调色剂，其中调色剂至少包含调色剂颗粒中的脱模剂和至少两个或更多个外部 由平均粒径为5nm〜30nm的疏水性二氧化硅构成的第一外用添加剂的添加剂和平均粒径为60nm〜300nm的疏水性二氧化硅构成的第二外部添加剂，平均圆形度为 0.880至0.935; 用于与图像承载部件接触的弹性片的弹性材料的回弹弹性模量在25℃的条件下为35％以上，叶片边缘的振动次数为2.0kHz〜4.0kHz。

公开(公告)号：US20070212630A1

公开(公告)日：2007-09-13

申请号：US11684131

申请日：2007-03-09

申请人： Hideaki Yasunaga ,  Hiroaki Kato ,  Masayuki Hagi ,  Katsunori Kurose ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Takuya Kadota

发明人： Hideaki Yasunaga ,  Hiroaki Kato ,  Masayuki Hagi ,  Katsunori Kurose ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Takuya Kadota

IPC分类号： G03G9/08 ,  G03G21/10

CPC分类号： G03G21/0011 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09725 ,  G03G2215/0602

摘要： To provide a pulverized toner excellent in the releasing ability and cleaning ability, and an image-forming apparatus for one-component developer, and a process cartridge using the pulverized toner. The pulverized toner contains a toner base particle containing at least a binder resin, a colorant, and a releasing agent, the mass ratio of the releasing agent to the binder resin is 3.0% to 6.0%, the adhesive force among the pulverized toners at 25° C. to 55° C. is 20 g to 80 g, and the pulverized toner is used for the image-forming apparatus for one-component developer containing the cleaning unit configured to dispose an elastic blade adjacent to the surface of the image bearing member so as to clean the surface.

摘要翻译： 提供脱模能力和清洁能力优异的粉碎调色剂，以及用于单组分显影剂的图像形成装置和使用粉碎调色剂的处理盒。 粉碎的调色剂含有至少含有粘合剂树脂，着色剂和脱模剂的调色剂基础颗粒，脱模剂与粘合剂树脂的质量比为3.0％至6.0％，粉碎调色剂中的粘合力为25 ℃至55℃为20g至80g，并且粉碎的调色剂用于含有清洁单元的单组分显影剂的成像设备，该清洁单元配置为配置与图像承载体的表面相邻的弹性片 以清洁表面。