公开(公告)号：US20120264048A1

公开(公告)日：2012-10-18

申请号：US13443220

申请日：2012-04-10

申请人： Yoshimichi ISHIKAWA ,  Takuya KADOTA ,  Yoshihiro MIKURIYA ,  Tsuyoshi NOZAKI ,  Kazuoki FUWA ,  Tomohiro FUKAO ,  Tomoharu MIKI ,  Atsushi YAMAMOTO

发明人： Yoshimichi ISHIKAWA ,  Takuya KADOTA ,  Yoshihiro MIKURIYA ,  Tsuyoshi NOZAKI ,  Kazuoki FUWA ,  Tomohiro FUKAO ,  Tomoharu MIKI ,  Atsushi YAMAMOTO

IPC分类号： G03G13/20 ,  G03G9/087 ,  G03G21/18

CPC分类号： G03G9/0825 ,  G03G9/0806 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： Provided is a toner including: toner particles, each toner particle containing a toner base particle, wherein the toner contains a binder resin; and a colorant, wherein the toner base particle has protrusions at a surface thereof, wherein 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 0.20 or less, and a coverage rate of the protrusions is 30% to 90%, wherein a resin forming the protrusions is prepared through polymerization of a monomer mixture containing at least a monomer having a sulfonic acid group, and wherein the monomer mixture contains styrene in an amount of 90% by mass or more and the monomer having a sulfonic acid group in an amount of 0.1% by mass to 5% by mass.

摘要翻译： 提供了一种调色剂，其包括：调色剂颗粒，每个调色剂颗粒含有调色剂基础颗粒，其中调色剂含有粘合剂树脂; 和着色剂，其中所述调色剂基础颗粒在其表面具有突起，其中所述突起的长边的平均长度为0.1μm以上且小于0.5μm，所述长边的长度的标准偏差 突起为0.20以下，突起的覆盖率为30％〜90％，其中，形成突起的树脂通过至少含有具有磺酸基的单体的单体混合物的聚合而制备，其中，单体混合物 含有量为90质量％以上的苯乙烯，且具有0.1质量％〜5质量％的磺酸基的单体。

公开(公告)号：US20110053077A1

公开(公告)日：2011-03-03

申请号：US12870372

申请日：2010-08-27

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

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

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G13/20 ,  G03G21/18

CPC分类号： G03G9/0804 ,  G03G9/0806 ,  G03G9/08702 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/09 ,  G03G2215/0604

摘要： The present invention provides a method for producing a colored resin particle, the method including: preparing an oil phase in which at least a resin and a colorant are dissolved or dispersed in an organic solvent; preparing an aqueous phase containing at least a surfactant in an aqueous medium; dispersing the oil phase in the aqueous phase to prepare a colored particle dispersion liquid so as to form core particles; causing resin fine particles to adhere to surfaces of the core particles by adding at least the resin fine particles to the colored particle dispersion liquid, in which the core particles have been formed; removing the solvent from the colored particle dispersion liquid to obtain colored resin particles, washing the colored resin particles, and drying the colored resin particles, wherein an inorganic base is dissolved in the colored particle dispersion liquid.

摘要翻译： 本发明提供一种着色树脂颗粒的制造方法，该方法包括：制备其中至少将树脂和着色剂溶解或分散在有机溶剂中的油相; 在含水介质中制备含有至少一种表面活性剂的水相; 将油相分散在水相中以制备着色颗粒分散液，以形成核心颗粒; 通过在已形成核心颗粒的着色颗粒分散液中至少加入树脂细颗粒使树脂细颗粒附着在芯颗粒的表面上; 从着色颗粒分散液中除去溶剂，得到着色树脂颗粒，洗涤着色树脂颗粒，并干燥着色树脂颗粒，其中无机碱溶解在着色颗粒分散液中。

公开(公告)号：US20140147779A1

公开(公告)日：2014-05-29

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： G03G9/00 ,  G03G15/08

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.

摘要翻译： 提供调色剂。 调色剂包括结晶树脂和非结晶树脂，并且具有这样的热性质，使得当调色剂首先被加热至60℃后被加热，然后在差示扫描量热法（DSC）中冷却时，调色剂具有清澈度 在温度T1下结晶树脂的熔融特异性峰值，以及在首先加热到80℃之后加热调色剂，然后在差示扫描量热法（DSC）中冷却时，调色剂不具有特定于 在不高于温度T1的温度下熔融结晶树脂。

公开(公告)号：US20170248896A1

公开(公告)日：2017-08-31

申请号：US15329843

申请日：2015-07-17

申请人： Naoki NAKATAKE ,  Takeshi YAMASHITA ,  Tetsushi SAKUMA ,  Mitsutoshi KICHISE ,  Tsuyoshi NOZAKI ,  Yoshihiro MIKURIYA ,  Yoshimichi ISHIKAWA ,  Atsushi YAMAMOTO ,  Kazuoki FUWA ,  Tomohiro FUKAO ,  Tomoharu MIKI

发明人： Naoki NAKATAKE ,  Takeshi YAMASHITA ,  Tetsushi SAKUMA ,  Mitsutoshi KICHISE ,  Tsuyoshi NOZAKI ,  Yoshihiro MIKURIYA ,  Yoshimichi ISHIKAWA ,  Atsushi YAMAMOTO ,  Kazuoki FUWA ,  Tomohiro FUKAO ,  Tomoharu MIKI

IPC分类号： G03G21/00 ,  G03G21/18 ,  G03G9/097

CPC分类号： G03G21/0011 ,  G03G9/08 ,  G03G9/09716 ,  G03G9/09725 ,  G03G21/1814

摘要： Image forming apparatus, including: image bearer; charging unit for electrically charging image bearer surface; developing unit for developing with toner, electrostatic latent image formed over image bearer by exposure unit for performing light exposure; transfer unit for transferring developed toner to receiving member; and cleaning unit for cleaning toner remaining over image bearer without being transferred, wherein the toner contains: external additives; and base particles made of at least binder resin and colorant, external additive content of the toner is from 4 to 7 parts by mass relative to 100 parts by mass of base particles, primary particles of at least one external additive have a number average particle diameter of 0.01 to 0.05 μm, cleaning unit includes an elastic-body blade having surface elastic modulus of from 15 to 25 N/mm2 and surface friction coefficient of from 0.5 to 0.7 at an abutment part thereof abutting on image bearer.

公开(公告)号：US20160033924A1

公开(公告)日：2016-02-04

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：US20110053063A1

公开(公告)日：2011-03-03

申请号：US12854487

申请日：2010-08-11

申请人： Takuya KADOTA ,  Yoshihiro MIKURIYA ,  Tsuyoshi NOZAKI ,  Atsushi YAMAMOTO ,  Yoshimichi ISHIKAWA ,  Tomohiro FUKAO ,  Tomoharu MIKI

发明人： Takuya KADOTA ,  Yoshihiro MIKURIYA ,  Tsuyoshi NOZAKI ,  Atsushi YAMAMOTO ,  Yoshimichi ISHIKAWA ,  Tomohiro FUKAO ,  Tomoharu MIKI

IPC分类号： G03G13/045 ,  G03G9/093 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/09385 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/09321 ,  G03G9/09378 ,  G03G9/09392 ,  G03G2215/0614

摘要： A toner is provided including a core particle comprising a binder resin, a colorant, and a release agent, and a shell layer comprising particles of a vinyl resin. The vinyl resin comprises 80% by weight or more of a unit of an aromatic compound having a vinyl-polymerizable functional group. A method of manufacturing the above toner is also provided, including steps of dissolving or dispersing the binder resin, the colorant, and the release agent in an organic solvent to prepare an oily liquid, dispersing the oily liquid in an aqueous medium to prepare the core particles, and adhering particles of a vinyl resin to the surfaces of the core particles to form shell layers.

摘要翻译： 提供了一种调色剂，其包括包含粘合剂树脂，着色剂和脱模剂的核心颗粒，以及包含乙烯基树脂颗粒的壳层。 乙烯基树脂包含80重量％以上的具有乙烯基聚合性官能团的芳香族化合物单元。 还提供了制造上述调色剂的方法，包括将粘合剂树脂，着色剂和脱模剂溶解或分散在有机溶剂中以制备油性液体的步骤，将油状液体分散在水性介质中以制备芯 颗粒和粘合的乙烯基树脂颗粒到芯颗粒的表面以形成壳层。

公开(公告)号：US20080153018A1

公开(公告)日：2008-06-26

申请号：US11963279

申请日：2007-12-21

申请人： Yoshihiro MIKURIYA ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masayuki Hagi ,  Masahide Inous

发明人： Yoshihiro MIKURIYA ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masayuki Hagi ,  Masahide Inous

IPC分类号： G03G13/20 ,  G03G9/087

CPC分类号： G03G9/0819 ,  G03G9/081 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08786 ,  G03G9/08797

摘要： A non-magnetic toner, including a binder resin; a wax present dispersing in the toner in the shape of a particle; and a colorant, wherein the wax having a particle diameter not less than 2.0 μm and less than 3.0 μm is not less than 20% and less than 40% by number based on total number thereof; the wax has a mode value not less than 1.5 μm and less than 2.0 μm in a frequency distribution of 0.1 μm width; and the following relationship is satisfied: 45

摘要翻译： 包括粘合剂树脂的非磁性调色剂; 以颗粒形式分散在调色剂中的蜡; 和着色剂，其中具有不小于2.0μm和小于3.0μm的粒径的蜡不小于其总数的20％且小于40％的数量; 在0.1μm宽度的频率分布中蜡具有不小于1.5μm且小于2.0μm的模式值; 并且满足以下关系：<？in-line-formula description =“In-line formula”end =“lead”？> 45 其中X表示调色剂的软化点（℃）; Y表示调色剂的体积平均粒径（mum）; Z表示100重量份调色剂中所含的蜡的总重量份数。

公开(公告)号：US20090186291A1

公开(公告)日：2009-07-23

申请号：US12348494

申请日：2009-01-05

申请人： Yoshihiro MIKURIYA ,  Kazuoki Fuwa ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Hideaki Yasunaga ,  Masayuki Hagi

发明人： Yoshihiro MIKURIYA ,  Kazuoki Fuwa ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Hideaki Yasunaga ,  Masayuki Hagi

IPC分类号： G03G9/087 ,  G03G5/00 ,  G03G15/08 ,  G03G21/18 ,  G03G13/20

CPC分类号： G03G9/08795 ,  G03G9/081 ,  G03G9/08724 ,  G03G9/08755 ,  G03G9/08797

摘要： A non-magnetic toner including a binder resin including a first resin, a second resin, a third resin; a colorant; and a wax, wherein the first resin is a hybrid resin including an amorphous condensation polymerization unit and a radical polymerization unit in its molecular frame, and the second and third resins are non-hybrid resins including condensation polymerization units, wherein each of the first, second and third resins has a glass transition temperature (Tg) and a softening point (Tm) satisfying the following relationships: Tg of first resin

摘要翻译： 一种非磁性调色剂，包括包含第一树脂，第二树脂，第三树脂的粘合剂树脂; 着色剂 和蜡，其中所述第一树脂是其分子框架中包含无定形缩聚单元和自由基聚合单元的混合树脂，所述第二和第三树脂是包含缩聚单元的非混合树脂，其中所述第一， 第二和第三树脂具有满足以下关系的玻璃化转变温度（Tg）和软化点（Tm）：<？in-line-formula description =“In-line formula”end =“lead”？>第一树脂的Tg 第二树脂的Tg <70℃，第三树脂的Tg为70〜80℃，<？在线式说明=“直列式”末端=“尾”→> 公式描述=“在线公式”end =“lead”→Tm第二树脂的Tm <第三树脂的Tm <第一树脂的Tm和<？在线公式描述=“In-line formula”end =“ 尾“→其中粘合剂树脂包含10-20％的量的第一树脂和25-45重量％的第三树脂。

公开(公告)号：US20080227009A1

公开(公告)日：2008-09-18

申请号：US12027704

申请日：2008-02-07

申请人： Kazuoki FUWA ,  Masayuki HAGI ,  Yoshihiro MIKURIYA ,  Hideaki YASUNAGA ,  Hiroaki KATOH ,  Yoshitaka SEKIGUCHI ,  Satoshi OGAWA

发明人： Kazuoki FUWA ,  Masayuki HAGI ,  Yoshihiro MIKURIYA ,  Hideaki YASUNAGA ,  Hiroaki KATOH ,  Yoshitaka SEKIGUCHI ,  Satoshi OGAWA

IPC分类号： G03G13/06 ,  G03G15/08

CPC分类号： G03G15/0812

摘要： A developing device including a developing roller and a developer layer forming member for forming a layer of a one component developer on the roller. The developing device satisfies the relationships (1) 20 Q/M>13.1α−44.5, wherein X represents the ratio (% by weight) of the wax present on the surface of the developer to the total of the wax therein; α represents the angle formed by a tangent line to the member at a point B, which is the center of the contact zone of the member contacted with the roller, and another tangent line at a point A thereof 0.5 mm apart from the point B toward the tip of the member, wherein α is 0 to π/2 radian; and Q/M represents the charge quantity (μC/g) of the toner per unit weight.

摘要翻译： 一种显影装置，包括显影辊和用于在辊上形成单组分显影剂层的显影剂层形成部件。 显影装置满足关系式（1）20 Q / M> 13.1alpha-44.5，其中X表示蜡上存在的蜡的比例（重量％） 显影剂的表面与其中的蜡的总量; α表示与作为与辊接触的构件的接触区域的中心的点B处的切线与构件形成的角度，并且在距离点B向距离点B距离为0.5mm的点A处的另一切线 该成员的尖端，其中α为0至pi / 2弧度; Q / M表示每单位重量的调色剂的电荷量（μC/ g）。