公开(公告)号：US07157199B2

公开(公告)日：2007-01-02

申请号：US10724260

申请日：2003-12-01

申请人： Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Masami Tomita ,  Tomoyuki Ichikawa

发明人： Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Masami Tomita ,  Tomoyuki Ichikawa

IPC分类号： G03G9/087 ,  G03G9/093

CPC分类号： G03G9/087 ,  G03G9/08

摘要： A toner comprising toner particles comprising a first binder resin; a second binder resin different from said first binder resin and having a glass transition temperature of from 40 to 55° C.; a colorant; and a release agent, and a particulate resin material which is located on surface of the toner particles with a coverage of from 50 to 100%, and which has a glass transition temperature of from 50 to 90° C., wherein a weight ratio (W2/W1) between the second binder resin (W2) and the first binder resin (W1) is from 5/95 to 40/60, and wherein a ratio (G′80/G′180) between a storage modulus of the toner at 80° C. (G′80) and a storage modulus at 180° C. (G′180) is from 100 to 1,000.

摘要翻译： 一种调色剂，其包含包含第一粘合剂树脂的调色剂颗粒; 与所述第一粘合剂树脂不同的玻璃化转变温度为40至55℃的第二粘合剂树脂; 着色剂 脱模剂和位于调色剂颗粒的表面上的覆盖率为50〜100％，玻璃化转变温度为50〜90℃的颗粒状树脂材料，其中，重量比（ 第二粘合剂树脂（W 2）和第一粘合剂树脂（W 1）之间的W 2 / W 1）为5/95〜40/60，其中， 调色剂在80℃下的模量（G'80）和180℃下的储能模量（G'180）为100〜1000。

公开(公告)号：US07531281B2

公开(公告)日：2009-05-12

申请号：US11980488

申请日：2007-10-31

申请人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

发明人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

IPC分类号： G03G9/087

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

摘要： A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 μm to 7 μm, a ratio (Dv/Dn) of the volume average particle diameter (Dv) to a number average particle diameter (Dn) is 1.01 to 1.25, a plurality of the base of toner particle contains 15% by number or less of the base of toner particle having a particle diameter of 0.6 μm to 2.0 μm, a plurality of the base of toner particle has a circularity of 0.930 to 0.990 on average, the binder resin contains a modified polyester resin, and the toner contains 0.3 parts by weight to 5.0 parts by weight of the external additive, relative to 100 parts by weight of the base of toner particle.

摘要翻译： 一种用于显影静电潜像的调色剂，包括含有粘合剂树脂和着色剂的调色剂颗粒的底部和外部添加剂。 这里，多个调色剂颗粒的基体的体积平均粒径（Dv）为3μm〜7μm，体积平均粒径（Dv）与数均粒径（Dn）的比（Dv / Dn） ）为1.01〜1.25，多个调色剂粒子的基体含有15个数量以下的调色剂颗粒的基体，其粒径为0.6〜2.0μm，多个调色剂颗粒的基体的圆形度为 0.930〜0.990，粘合剂树脂含有改性聚酯树脂，相对于调色剂颗粒的100重量份，调色剂含有0.3重量份至5.0重量份的外部添加剂。

公开(公告)号：US07157201B2

公开(公告)日：2007-01-02

申请号：US10607014

申请日：2003-06-27

申请人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

发明人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

IPC分类号： G03G9/08 ,  G03G13/09

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

摘要： A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 μm to 7 μm, a ratio (Dv/Dn) of the volume average particle diameter (Dv) to a number average particle diameter (Dn) is 1.01 to 1.25, a plurality of the base of toner particle contains 15% by number or less of the base of toner particle having a particle diameter of 0.6 μm to 2.0 μm, a plurality of the base of toner particle has a circularity of 0.930 to 0.990 on average, the binder resin contains a modified polyester resin, and the toner contains 0.3 parts by weight to 5.0 parts by weight of the external additive, relative to 100 parts by weight of the base of toner particle.

摘要翻译： 一种用于显影静电潜像的调色剂，包括含有粘合剂树脂和着色剂的调色剂颗粒的底部和外部添加剂。 这里，多个调色剂颗粒的基体的体积平均粒径（Dv）为3μm〜7μm，体积平均粒径（Dv）与数均粒径（Dn）的比（Dv / Dn） ）为1.01〜1.25，多个调色剂粒子的基体含有15个数量以下的调色剂颗粒的基体，其粒径为0.6〜2.0μm，多个调色剂颗粒的基体的圆形度为 0.930〜0.990，粘合剂树脂含有改性聚酯树脂，相对于调色剂颗粒的100重量份，调色剂含有0.3重量份至5.0重量份的外部添加剂。

公开(公告)号：US20060154168A1

公开(公告)日：2006-07-13

申请号：US11298583

申请日：2005-12-12

申请人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

发明人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

IPC分类号： G03G9/08

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

摘要： A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 μm to 7 μm, a ratio (Dv/Dn) of the volume average particle diameter (Dv) to a number average particle diameter (Dn) is 1.01 to 1.25, a plurality of the base of toner particle contains 15% by number or less of the base of toner particle having a particle diameter of 0.61 μm to 2.0 μm, a plurality of the base of toner particle has a circularity of 0.930 to 0.990 on average, the binder resin contains a modified polyester resin, and the toner contains 0.3 parts by weight to 5.0 parts by weight of the external additive, relative to 100 parts by weight of the base of toner particle.

摘要翻译： 一种用于显影静电潜像的调色剂，包括含有粘合剂树脂和着色剂的调色剂颗粒的底部和外部添加剂。 这里，多个调色剂颗粒的基体的体积平均粒径（Dv）为3μm〜7μm，体积平均粒径（Dv）与数均粒径（Dn）的比（Dv / Dn） ）为1.01〜1.25，多个该调色剂颗粒的基体含有15个数量以下的调色剂颗粒的基体，其粒径为0.61μm〜2.0μm，多个调色剂颗粒的基底的圆形度为 0.930〜0.990，粘合剂树脂含有改性聚酯树脂，相对于调色剂颗粒的100重量份，调色剂含有0.3重量份至5.0重量份的外部添加剂。

公开(公告)号：US07056636B2

公开(公告)日：2006-06-06

申请号：US10712026

申请日：2003-11-14

申请人： Masami Tomita ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shinichiro Yagi ,  Shigeru Emoto ,  Tomoyuki Ichikawa ,  Naohito Shimota ,  Maiko Kondo ,  Tadao Takikawa

发明人： Masami Tomita ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shinichiro Yagi ,  Shigeru Emoto ,  Tomoyuki Ichikawa ,  Naohito Shimota ,  Maiko Kondo ,  Tadao Takikawa

IPC分类号： G03G13/20

CPC分类号： G03G9/0825 ,  G03G9/08782 ,  G03G9/09708

摘要： A dry toner contains at least a toner binder, organic fine particles, a colorant, a wax, a charge control agent, and an external additive. The wax is concentrated in the vicinity of a toner core including the toner binder, colorant and wax. The organic fine particles adhere to the surface of the toner core to form a base toner-particle, the fine particle of charge control agent adhere to the surface of the base toner-particle, and the external additive is located on the surface thereof.

摘要翻译： 干调色剂至少含有调色剂粘合剂，有机细颗粒，着色剂，蜡，电荷控制剂和外部添加剂。 蜡聚集在包括调色剂粘合剂，着色剂和蜡的调色剂核心附近。 有机细颗粒粘附在调色剂芯的表面上以形成基色调剂颗粒，电荷控制剂的细颗粒附着在基色调剂颗粒的表面上，外部添加剂位于其表面上。

公开(公告)号：US07384720B2

公开(公告)日：2008-06-10

申请号：US11298583

申请日：2005-12-12

申请人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

发明人： Masami Tomita ,  Tadao Takikawa ,  Tomoyuki Ichikawa ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo

IPC分类号： G03G9/08

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

摘要： A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 μm to 7 μm, a ratio (Dv/Dn) of the volume average particle diameter (Dv) to a number average particle diameter (Dn) is 1.01 to 1.25, a plurality of the base of toner particle contains 15% by number or less of the base of toner particle having a particle diameter of 0.6 μm to 2.0 μm, a plurality of the base of toner particle has a circularity of 0.930 to 0.990 on average, the binder resin contains a modified polyester resin, and the toner contains 0.3 parts by weight to 5.0 parts by weight of the external additive, relative to 100 parts by weight of the base of toner particle.

摘要翻译： 一种用于显影静电潜像的调色剂，包括含有粘合剂树脂和着色剂的调色剂颗粒的底部和外部添加剂。 这里，多个调色剂颗粒的基体的体积平均粒径（Dv）为3μm〜7μm，体积平均粒径（Dv）与数均粒径（Dn）的比（Dv / Dn） ）为1.01〜1.25，多个调色剂粒子的基体含有15个数量以下的调色剂颗粒的基体，其粒径为0.6〜2.0μm，多个调色剂颗粒的基体的圆形度为 0.930〜0.990，粘合剂树脂含有改性聚酯树脂，相对于调色剂颗粒的100重量份，调色剂含有0.3重量份至5.0重量份的外部添加剂。

公开(公告)号：US20070020546A1

公开(公告)日：2007-01-25

申请号：US11529370

申请日：2006-09-29

申请人： Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Masami Tomita ,  Tomoyuki Ichikawa

发明人： Shigeru Emoto ,  Shinichiro Yagi ,  Naohito Shimota ,  Maiko Kondo ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Hiroto Higuchi ,  Masami Tomita ,  Tomoyuki Ichikawa

IPC分类号： G03G9/08

CPC分类号： G03G9/087 ,  G03G9/08

摘要： A toner comprising toner particles comprising a first binder resin; a second binder resin different from said first binder resin and having a glass transition temperature of from 40 to 55 ° C.; a colorant; and a release agent, and a particulate resin material which is located on surface of the toner particles with a coverage of from 50 to 100%, and which has a glass transition temperature of from 50 to 90 ° C., wherein a weight ratio (W2/W1) between the second binder resin (W2) and the first binder resin (W1) is from 5/95 to 40/60, and wherein a ratio (G′80/G′180) between a storage modulus of the toner at 80 ° C. (G′80) and a storage modulus at 180 ° C. (G′180) is from 100 to 1,000.

摘要翻译： 一种调色剂，其包含包含第一粘合剂树脂的调色剂颗粒; 与所述第一粘合剂树脂不同的玻璃化转变温度为40至55℃的第二粘合剂树脂; 着色剂 脱模剂和位于调色剂颗粒的表面上的覆盖率为50〜100％，玻璃化转变温度为50〜90℃的颗粒状树脂材料，其中，重量比（ 第二粘合剂树脂（W2）和第一粘合剂树脂（W1）之间的比率（G'80 / G'180）为5/95〜40/60，其中，调色剂 在80℃（G'80）和180℃下的储能模量（G'180）为100-1,000。

公开(公告)号：US06947692B2

公开(公告)日：2005-09-20

申请号：US10666254

申请日：2003-09-22

申请人： Maiko Kondo ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Shinichiro Yagi ,  Masami Tomita ,  Shigeru Emoto ,  Naohito Shimota ,  Hiroto Higuchi ,  Tomoyuki Ichikawa

发明人： Maiko Kondo ,  Fumihiro Sasaki ,  Toshiki Nanya ,  Shinichiro Yagi ,  Masami Tomita ,  Shigeru Emoto ,  Naohito Shimota ,  Hiroto Higuchi ,  Tomoyuki Ichikawa

IPC分类号： G03G15/09

CPC分类号： G03G15/0921

摘要： A method for developing an electrostatic latent image, including forming a magnet brush of a developer including a toner and a carrier on a developing sleeve including a main magnet and auxiliary magnets; and developing the electrostatic latent image with the magnet brush to form a toner image at a rubbing region, wherein the magnetic flux density in a normal line direction, half width, and attenuation ratio of the main magnet and the angle between the main magnet and auxiliary magnets are specified, and the magnetic sleeve has specific grooves thereon, and wherein the toner has a volume average particle diameter of from 4.0 to 7.0 μm, and includes fine particles having a circle equivalent diameter not greater than 2 μm in an amount not greater than 20% by number.

摘要翻译： 一种用于显影静电潜像的方法，包括在包括主磁体和辅助磁体的显影套筒上形成包括调色剂和载体的显影剂的磁刷; 并利用磁刷对静电潜像进行显影，以在摩擦区域形成调色剂图像，其中主磁体的法线方向，半宽度和衰减率的磁通密度以及主磁体与辅助磁体之间的夹角 磁性体，磁性套筒上具有特定的凹槽，其中调色剂的体积平均粒径为4.0-7.0μm，并且包括不大于2μm的圆当量直径不大于2μm的细颗粒 20％的数量。

公开(公告)号：US07056638B1

公开(公告)日：2006-06-06

申请号：US10645804

申请日：2003-08-22

申请人： Masami Tomita ,  Toshiki Nanya ,  Fumihiro Sasaki ,  Shigeru Emoto ,  Shinichiro Yagi ,  Hiroto Higuchi ,  Naohiro Watanabe ,  Tadao Takikawa

发明人： Masami Tomita ,  Toshiki Nanya ,  Fumihiro Sasaki ,  Shigeru Emoto ,  Shinichiro Yagi ,  Hiroto Higuchi ,  Naohiro Watanabe ,  Tadao Takikawa

IPC分类号： G03G9/08

CPC分类号： G03G9/08797 ,  G03G9/0825 ,  G03G9/08782

摘要： The present invention is directed to a toner for electrophotography that exhibits excellent hot offset resistance, storability, and glossiness and can obtain a high image-resolution and highly detailed images when used for energy saving apparatuses or as a color toner. The present invention is also directed to a developer, image-forming apparatus, and process cartridge containing such toner, and image-forming process using such toner. The toner of the present invention contains a resin and wax. The wax is dispersed within the resin in a shaped of fine particles to form a toner particle. In the toner particle, more dispersed wax particles are existed in a surface portion of the toner particle than a centric portion of the toner particle.

摘要翻译： 本发明涉及一种电子照相用调色剂，其具有优异的耐热粘合性，保存性和光泽度，并且当用于节能设备或作为彩色调色剂时可获得高图像分辨率和高度详细的图像。 本发明还涉及包含这种调色剂的显影剂，成像设备和处理盒，以及使用这种调色剂的图像形成处理。 本发明的调色剂含有树脂和蜡。 蜡以树脂形式分散在细颗粒中形成调色剂颗粒。 在调色剂颗粒中，调色剂颗粒的表面部分中存在比调色剂颗粒的中心部分更多的分散的蜡颗粒。

公开(公告)号：US06936390B2

公开(公告)日：2005-08-30

申请号：US10394265

申请日：2003-03-24

申请人： Toshiki Nanya ,  Masami Tomita ,  Shigeru Emoto ,  Hiroshi Yamada ,  Shinichiro Yagi ,  Naohiro Watanabe ,  Tadao Takigawa

发明人： Toshiki Nanya ,  Masami Tomita ,  Shigeru Emoto ,  Hiroshi Yamada ,  Shinichiro Yagi ,  Naohiro Watanabe ,  Tadao Takigawa

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

CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/0821 ,  G03G9/097

摘要： A toner for developing an electrostatic image, including a colorant, a binder resin comprising a modified polyester, and fine resin particles having a weight average particle diameter of 50 to 300 nm and being present on an outer surface of the toner, wherein the toner has a BET specific surface area of 1.5 to 4.0 m2/g.

摘要翻译： 用于显影静电图像的调色剂，包括着色剂，包含改性聚酯的粘合剂树脂和重均粒径为50至300nm的细小树脂颗粒并存在于调色剂的外表面上，其中调色剂具有 BET比表面积为1.5〜4.0m 2 / g。