公开(公告)号：US20130029260A1

公开(公告)日：2013-01-31

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： G03G9/093

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：US20120237267A1

公开(公告)日：2012-09-20

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： G03G15/08 ,  G03G9/087 ,  B82Y30/00

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以上但小于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：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。