公开(公告)号：US20050008962A1

公开(公告)日：2005-01-13

申请号：US10912230

申请日：2004-08-06

Applicant: Kohki Katoh ,  Masanori Suzuki ,  Yohichiro Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Keiko Shiraishi

Inventor： Kohki Katoh ,  Masanori Suzuki ,  Yohichiro Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Keiko Shiraishi

IPC: B05D3/14 ,  B05D5/06 ,  B05D5/12 ,  B05D7/24 ,  G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097 ,  G03G13/01 ,  G03G15/01 ,  G03G15/16

CPC classification number: G03G9/09 ,  G03G9/0819 ,  G03G9/09708 ,  G03G9/09733 ,  G03G13/013 ,  G03G2215/0119 ,  Y10T403/32467 ,  Y10T403/32491 ,  Y10T403/32663

Abstract: A color toner composition including at least toner particles including at least a binder resin; a colorant and a release agent dispersed in the binder resin; and a titania as an external additive, wherein the colorant has an average dispersion particle diameter not greater than 0.5 μm; the release agent and the binder resin are insoluble to each other; the toner particles satisfy the relationship: 0.05≦Dw/D4≦ 0.4, wherein Dw represents an average dispersion particle diameter of the release agent and D4 represents a weight-average particle diameter of the toner particles; and the titania has a segregation rate of from 0.5 to 5%.

Abstract translation: 至少包括至少包含粘合剂树脂的调色剂颗粒的彩色调色剂组合物; 分散在粘合剂树脂中的着色剂和脱模剂; 和二氧化钛作为外部添加剂，其中着色剂的平均分散粒径不大于0.5μm; 脱模剂和粘合剂树脂彼此不溶; 调色剂颗粒满足关系：0.05 <= DW / D4 <= 0.4，其中Dw表示脱模剂的平均分散粒径，D4表示调色剂颗粒的重均粒径; 二氧化钛的偏析率为0.5〜5％。

公开(公告)号：US06852459B2

公开(公告)日：2005-02-08

申请号：US10079878

申请日：2002-02-22

Applicant: Kohki Katoh ,  Masanori Suzuki ,  Yohichiro Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Keiko Shiraishi

Inventor： Kohki Katoh ,  Masanori Suzuki ,  Yohichiro Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Keiko Shiraishi

IPC: B05D3/14 ,  B05D5/06 ,  B05D5/12 ,  B05D7/24 ,  G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097 ,  G03G13/01

CPC classification number: G03G9/09 ,  G03G9/0819 ,  G03G9/09708 ,  G03G9/09733 ,  G03G13/013 ,  G03G2215/0119 ,  Y10T403/32467 ,  Y10T403/32491 ,  Y10T403/32663

Abstract: A color toner composition including at least toner particles including at least a binder resin; a colorant and a release agent dispersed in the binder resin; and a titania as an external additive, wherein the colorant has an average dispersion particle diameter not greater than 0.5 μm; the release agent and the binder resin are insoluble to each other; the toner particles satisfy the relationship: 0.05≦Dw/D4≦0.4, wherein Dw represents an average dispersion particle diameter of the release agent and D4 represents a weight-average particle diameter of the toner particles; and the titania has a segregation rate of from 0.5 to 5%.

Abstract translation: 至少包括至少包含粘合剂树脂的调色剂颗粒的彩色调色剂组合物; 分散在粘合剂树脂中的着色剂和脱模剂; 和二氧化钛作为外部添加剂，其中着色剂的平均分散粒径不大于0.5μm; 脱模剂和粘合剂树脂彼此不溶; 调色剂颗粒满足关系：0.05 <= DW / D4 <= 0.4，其中Dw表示脱模剂的平均分散粒径，D4表示调色剂颗粒的重均粒径; 二氧化钛的偏析率为0.5〜5％。

公开(公告)号：US07049037B2

公开(公告)日：2006-05-23

申请号：US10912230

申请日：2004-08-06

Applicant: Kohki Katoh ,  Masanori Suzuki ,  Yohichiro Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Keiko Shiraishi

Inventor： Kohki Katoh ,  Masanori Suzuki ,  Yohichiro Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Keiko Shiraishi

IPC: G03G15/01

CPC classification number: G03G9/09 ,  G03G9/0819 ,  G03G9/09708 ,  G03G9/09733 ,  G03G13/013 ,  G03G2215/0119 ,  Y10T403/32467 ,  Y10T403/32491 ,  Y10T403/32663

Abstract: A color toner composition including at least toner particles including at least a binder resin; a colorant and a release agent dispersed in the binder resin; and a titania as an external additive, wherein the colorant has an average dispersion particle diameter not greater than 0.5 μm; the release agent and the binder resin are insoluble to each other; the toner particles satisfy the relationship: 0.05≦Dw/D4≦0.4, wherein Dw represents an average dispersion particle diameter of the release agent and D4 represents a weight-average particle diameter of the toner particles; and the titania has a segregation rate of from 0.5 to 5%.

Abstract translation: 至少包括至少包含粘合剂树脂的调色剂颗粒的彩色调色剂组合物; 分散在粘合剂树脂中的着色剂和脱模剂; 和二氧化钛作为外部添加剂，其中着色剂的平均分散粒径不大于0.5μm; 脱模剂和粘合剂树脂彼此不溶; 调色剂颗粒满足以下关系：其中Dw表示脱模剂的平均分散体粒径，D 4表示重均分子量 - 调色剂颗粒的平均粒径; 二氧化钛的偏析率为0.5〜5％。

公开(公告)号：US20100021209A1

公开(公告)日：2010-01-28

申请号：US12503444

申请日：2009-07-15

Applicant: Yohichiro WATANABE ,  Kazumi Suzuki ,  Takahiro Honda ,  Shinji Ohtani ,  Yoshihiro Norikane

Inventor： Yohichiro WATANABE ,  Kazumi Suzuki ,  Takahiro Honda ,  Shinji Ohtani ,  Yoshihiro Norikane

IPC: G03G15/08 ,  G03G9/097 ,  G03G9/087

CPC classification number: G03G9/0802 ,  G03G9/0804 ,  G03G9/0819 ,  G03G15/08 ,  G03G2215/0602

Abstract: A toner produced by dissolving or dispersing toner components comprising a binder resin, a colorant, and a charge controlling agent in an organic solvent to prepare a toner components liquid, forming liquid droplets of the toner components liquid in a gas phase, and solidifying the liquid droplets into toner particles of the toner. The charge controlling agent includes a polycondensation reaction product of a phenol with an aldehyde.

Abstract translation: 通过将包含粘合剂树脂，着色剂和电荷控制剂的调色剂组分溶解或分散在有机溶剂中以制备调色剂组分液体，在气相中形成调色剂组分液体的液滴并使液体固化而制得的调色剂 液滴变成调色剂的调色剂颗粒。 电荷控制剂包括苯酚与醛的缩聚反应产物。

公开(公告)号：US5429901A

公开(公告)日：1995-07-04

申请号：US138354

申请日：1993-10-18

Applicant: Kenkichi Muto ,  Yohichiro Watanabe ,  Akihiro Kotsugai

Inventor： Kenkichi Muto ,  Yohichiro Watanabe ,  Akihiro Kotsugai

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

CPC classification number: G03G9/0825 ,  G03G9/08791

Abstract: A toner for use in electrostatic development is composed of toner particles, each toner particle being composed of a core particle containing a thermoplastic resin and a coloring agent; a releasing agent in the form of particles, which substantially cover the entire surface of the core particle; and a chargeable resin which covers at least part of the releasing agent.

Abstract translation: 用于静电显影的调色剂由调色剂颗粒组成，每个调色剂颗粒由含有热塑性树脂的核心颗粒和着色剂组成; 颗粒形式的脱模剂，其基本上覆盖核心颗粒的整个表面; 以及覆盖至少部分脱模剂的带电树脂。