公开(公告)号：US07473508B2

公开(公告)日：2009-01-06

申请号：US10793320

申请日：2004-03-05

申请人： Hiroto Higuchi ,  Fumihiro Sasaki ,  Shinichiro Yagi ,  Shigeru Emoto ,  Junichi Awamura ,  Naohito Shimota ,  Masami Tomita ,  Toshiki Nanya ,  Takahiro Honda ,  Maiko Kondo

发明人： Hiroto Higuchi ,  Fumihiro Sasaki ,  Shinichiro Yagi ,  Shigeru Emoto ,  Junichi Awamura ,  Naohito Shimota ,  Masami Tomita ,  Toshiki Nanya ,  Takahiro Honda ,  Maiko Kondo

IPC分类号： G03G9/08

CPC分类号： G03G9/0827 ,  G03G9/0819

摘要： A toner composition including toner particles including at least a binder resin; and a colorant, wherein the toner composition satisfies at least one of the following relationships (1) and (2): B≦14 when 155

摘要翻译： 一种调色剂组合物，其包含至少包含粘合剂树脂的调色剂颗粒; 和着色剂，其中调色剂组合物满足以下关系（1）和（2）中的至少一个：<？在线公式描述=“在线公式”end =“lead”？> B <= 14 当155 <？in-line-formula description =“In-line Formulas”end =“lead”？> B <= 0.6A -79当145 <= A <= 155时，（1）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中A表示调色剂组合物的形状因子SF-1， B表示粒径不大于3um的调色剂颗粒的含量; 当0.920 <= A'<= 0.950时，<？in-line-formula description =“In-line formula”end =“lead”？> B <= 14; 和<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> B <= 394- 400A'当0.950 其中A'表示调色剂组合物的平均圆形度，B表示 粒径不大于3μm的调色剂颗粒的含量。

公开(公告)号：US07396630B2

公开(公告)日：2008-07-08

申请号：US11545429

申请日：2006-10-11

申请人： Yohichiroh Watanabe ,  Masanori Suzuki ,  Tsunemi Sugiyama ,  Hiroshi Yamashita ,  Takuya Saito ,  Naohiro Watanabe ,  Masami Tomita ,  Shigeru Emoto ,  Shinichiro Yagi ,  Hiroshi Yamada ,  Toshiki Nanya ,  Tadao Takigawa

发明人： Yohichiroh Watanabe ,  Masanori Suzuki ,  Tsunemi Sugiyama ,  Hiroshi Yamashita ,  Takuya Saito ,  Naohiro Watanabe ,  Masami Tomita ,  Shigeru Emoto ,  Shinichiro Yagi ,  Hiroshi Yamada ,  Toshiki Nanya ,  Tadao Takigawa

IPC分类号： G03G13/20 ,  G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08706 ,  G03G9/08711 ,  G03G9/08753 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08768 ,  G03G9/08782 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner composition including toner particles including a binder resin including a modified polyester resin, and a second resin having a weight average molecular weight of from 2,000 to 10,000; a colorant; a release agent; and a particulate material which is present at least a surface portion of the toner particles while embedded into the surface portion, wherein the binder resin has a glass transition temperature not lower than 35° C. and lower than 55° C., and wherein the particulate material has an average particle diameter of from 0.002 to 0.2 times that of the toner particles. A developer including the toner composition and a carrier having a layer thereon which includes at least an acrylic resin and a silicone resin, and a method for fixing an image of the toner composition are also provided.

摘要翻译： 包含调色剂颗粒的调色剂组合物，所述调色剂颗粒包括包含改性聚酯树脂的粘合剂树脂和重均分子量为2,000至10,000的第二树脂; 着色剂 脱模剂; 以及颗粒材料，其在嵌入所述表面部分中时至少存在所述调色剂颗粒的表面部分，其中所述粘合剂树脂的玻璃化转变温度不低于35℃且低于55℃，并且其中 颗粒材料的平均粒径为调色剂颗粒的平均粒径的0.002至0.2倍。 还提供了包括调色剂组合物的显影剂和其上具有至少丙烯酸树脂和硅树脂的层的载体，以及用于固定调色剂组合物的图像的方法。

公开(公告)号：US20080138735A1

公开(公告)日：2008-06-12

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.

公开(公告)号：US07323281B2

公开(公告)日：2008-01-29

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： G03G9/087

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至1,000。

公开(公告)号：US07241545B2

公开(公告)日：2007-07-10

申请号：US10733247

申请日：2003-12-12

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

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

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/08753 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner has a storage elastic modulus (G′) of 500 Pa or more at a frequency of 1 Hz and temperature of 180° C., while the toner is obtained by dissolving or dispersing a toner composition in an organic solvent, further dispersing the solution or dispersion thereof in an aqueous medium containing fine resin particles as well as being reacted with a compound having an active hydrogen group, and removing the solvent from the obtained aqueous dispersion.

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：US20060269860A1

公开(公告)日：2006-11-30

申请号：US11499686

申请日：2006-08-07

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

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

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/08753 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner has a storage elastic modulus (G′) of 500 Pa or more at a frequency of 1 Hz and temperature of 180° C., while the toner is obtained by dissolving or dispersing a toner composition in an organic solvent, further dispersing the solution or dispersion thereof in an aqueous medium containing fine resin particles as well as being reacted with a compound having an active hydrogen group, and removing the solvent from the obtained aqueous dispersion.

摘要翻译： 调色剂的频率为1Hz，温度为180℃时的储能弹性模量（G'）为500Pa以上，而调色剂通过将调色剂组合物溶解或分散在有机溶剂中而进一步分散 溶液或分散体在含有细小树脂颗粒的水性介质中，并与具有活性氢基团的化合物反应，并从所得水性分散体中除去溶剂。

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：US20100233609A1

公开(公告)日：2010-09-16

申请号：US12755955

申请日：2010-04-07

申请人： Hiroto HIGUCHI ,  Fumihiro Sasaki ,  Shinichiro Yagi ,  Shigeru Emoto ,  Junichi Awamura ,  Naohito Shimota ,  Masami Tomita ,  Toshiki Nanya ,  Takahiro Honda ,  Maiko Kondo

发明人： Hiroto HIGUCHI ,  Fumihiro Sasaki ,  Shinichiro Yagi ,  Shigeru Emoto ,  Junichi Awamura ,  Naohito Shimota ,  Masami Tomita ,  Toshiki Nanya ,  Takahiro Honda ,  Maiko Kondo

IPC分类号： G03G9/097 ,  G03G9/08

CPC分类号： G03G9/0827 ,  G03G9/0819

摘要： The present invention relates to toner compositions containing: toner particles made of: binder resin; colorant; and a wax which is dispersed in the toner particles, where the toner composition satisfies relationship (2): B≦394−400A′ when 0.950

摘要翻译： 本发明涉及调色剂组合物，其含有：由粘合剂树脂制成的调色剂颗粒; 着色剂 和分散在调色剂颗粒中的蜡，其中调色剂组合物满足关系式（2）：当0.950

公开(公告)号：US07563555B2

公开(公告)日：2009-07-21

申请号：US11475165

申请日：2006-06-27

申请人： Yohichiroh Watanabe ,  Masanori Suzuki ,  Tsunemi Sugiyama ,  Hiroshi Yamashita ,  Takuya Saito ,  Naohiro Watanabe ,  Masami Tomita ,  Shigeru Emoto ,  Shinichiro Yagi ,  Hiroshi Yamada ,  Toshiki Nanya ,  Tadao Takigawa

发明人： Yohichiroh Watanabe ,  Masanori Suzuki ,  Tsunemi Sugiyama ,  Hiroshi Yamashita ,  Takuya Saito ,  Naohiro Watanabe ,  Masami Tomita ,  Shigeru Emoto ,  Shinichiro Yagi ,  Hiroshi Yamada ,  Toshiki Nanya ,  Tadao Takigawa

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08706 ,  G03G9/08711 ,  G03G9/08753 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08768 ,  G03G9/08782 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner composition including toner particles including a binder resin including a modified polyester resin, and a second resin having a weight average molecular weight of from 2,000 to 10,000; a colorant; a release agent; and a particulate material which is present at least a surface portion of the toner particles while embedded into the surface portion, wherein the binder resin has a glass transition temperature not lower than 35° C. and lower than 55° C., and wherein the particulate material has an average particle diameter of from 0.002 to 0.2 times that of the toner particles. A developer including the toner composition and a carrier having a layer thereon which includes at least an acrylic resin and a silicone resin, and a method for fixing an image of the toner composition are also provided.