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：US07381513B2

公开(公告)日：2008-06-03

申请号：US11189692

申请日：2005-07-27

申请人： Kohsuke Suzuki ,  Tomio Kondoh ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

发明人： Kohsuke Suzuki ,  Tomio Kondoh ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

IPC分类号： G03G9/113

CPC分类号： G03G9/1139 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1133 ,  G03G9/1136

摘要： A carrier containing a core material and a resin coating layer located overlying the surface of the core material. The resin coating layer contains resin and electroconductive particles having an oil absorption amount of from 10 to 300 ml/100 g. The electroconductive particle contains a base material particle and an electroconductive coating layer located overlying the surface of the base material particle. The electroconductive coating layer contains an underlayer containing tin dioxide and an upper layer containing indium oxide and tin dioxide, located overlying the underlayer.

摘要翻译： 载体，其包含芯材料和覆盖在芯材表面上的树脂涂层。 树脂被覆层含有吸油量为10〜300ml / 100g的树脂和导电性粒子。 导电颗粒包含基材颗粒和覆盖在基材颗粒表面上的导电涂层。 导电涂层包含含有二氧化锡和含有氧化铟和二氧化锡的上层的底层，位于覆盖在底层上方。

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：US20060251982A1

公开(公告)日：2006-11-09

申请号：US11398662

申请日：2006-04-06

申请人： Hitoshi Iwatsuki ,  Tomio Kondou ,  Shinichiro Yagi ,  Kousuke Suzuki

发明人： Hitoshi Iwatsuki ,  Tomio Kondou ,  Shinichiro Yagi ,  Kousuke Suzuki

IPC分类号： G03G9/10

CPC分类号： G03G9/1131 ,  G03G9/1075 ,  G03G9/1133 ,  G03G9/1136 ,  G03G9/1139

摘要： A carrier contains a core material; and a coated film containing a binder resin, and a particulate material, the coated film covering the core material, wherein a ratio (D/h) of an average particle diameter (D) of the particulate material to an average thickness (h) of the coated film is from 0.01 to 1, and wherein the carrier has concavities and convexities on the surface of the carrier, the concavities and convexities having a difference of elevation of from 0.05 to 2.0 μm.

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：US06902857B2

公开(公告)日：2005-06-07

申请号：US10176578

申请日：2002-06-24

申请人： Shinichiro Yagi ,  Naohito Shimota ,  Tatsuya Niimi ,  Satoshi Mochizuki ,  Hiroaki Matsuda ,  Tomomi Tamura

发明人： Shinichiro Yagi ,  Naohito Shimota ,  Tatsuya Niimi ,  Satoshi Mochizuki ,  Hiroaki Matsuda ,  Tomomi Tamura

IPC分类号： C09B35/037 ,  C09B35/233 ,  G03G5/06 ,  G03G5/14 ,  G03G5/147 ,  G03G9/08 ,  G03G9/097 ,  G03G13/08

CPC分类号： G03G13/08 ,  G03G5/144 ,  G03G5/14708 ,  G03G9/0821 ,  G03G9/097 ,  G03G9/09708

摘要： A method for forming an electrophotographic image and a device for forming an image on a transfer material by the steps for charging, exposing, developing and transferring, and recovering the toner remained untransferred in the step for cleaning by recovering, wherein the toner used in the step for developing has a total surface area ratio Z of additive, which is calculated by Z=(Ht·Wt)/(H·W), satisfies 0.5≦Z≦1.5, the electrophotographic photoconductor used comprises at least a photosensitive layer and a filler-containing protective layer provided on a conductive support in that order, and the angle of repose of the toner to the protective layer surface of the electrophotographic photoconductor is 30° or less.

摘要翻译： 用于形成电子照相图像的方法和用于通过用于充电，曝光，显影和转印的步骤在转印材料上形成图像的装置以及回收调色剂的方法在通过回收的清洁步骤中保持未转印，其中在 用于显影的步骤具有通过Z =（Ht.Wt）/（HW）计算的添加剂的总表面积比Z满足0.5≤Z≤1.5，所使用的电子照相感光体至少包含感光层和 在导电性支持体上依次设置有含填料的保护层，调色剂与电照相感光体的保护层表面的休止角为30°以下。