公开(公告)号：US08426099B2

公开(公告)日：2013-04-23

申请号：US13478730

申请日：2012-05-23

申请人： Tomohito Nakajima ,  Hiroyuki Moriya ,  Hideya Katsuhara ,  Seiichi Takagi ,  Kazuya Hongo

发明人： Tomohito Nakajima ,  Hiroyuki Moriya ,  Hideya Katsuhara ,  Seiichi Takagi ,  Kazuya Hongo

IPC分类号： G03G9/08

CPC分类号： C08J3/16 ,  C08J3/21 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827

摘要： Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (μm) of the colored resin particles is 3≦A≦6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and 0.990−0.0083A≦B≦1.021−0.0117A  (1) a cumulative number frequency of particles which have degrees of circularity of less than 0.9 in the colored resin particles is 1% or less.

摘要翻译： 有色树脂颗粒各自包括：树脂; 和着色树脂颗粒的平均当量圆直径A（母体）的值为3≤A@ 6的着色剂，着色树脂颗粒的平均圆形度B满足下式（1），并且0.990- 0.0083A @ B @ 1.021-0.0117A（1）着色树脂颗粒中圆度小于0.9的颗粒的累积数频率为1％以下。

公开(公告)号：US07291434B2

公开(公告)日：2007-11-06

申请号：US10870028

申请日：2004-06-18

申请人： Takao Ishiyama ,  Masakazu Iijima ,  Tomohito Nakajima ,  Satoshi Yoshida ,  Eisuke Iwazaki

发明人： Takao Ishiyama ,  Masakazu Iijima ,  Tomohito Nakajima ,  Satoshi Yoshida ,  Eisuke Iwazaki

IPC分类号： G03G9/08

CPC分类号： G03G9/097 ,  G03G9/0821 ,  G03G9/08704 ,  G03G9/08797

摘要： The present invention provides a toner for electrostatically charged image development comprising at least a binder resin, a colorant and a releasing agent. The releasing agent satisfies the following equations (1) and (2): 0.1≦η*a≦1.0  (1) 1.1≦η*b/η*a≦3.5  (2) wherein η*a represents a complex viscosity (Pa·s) determined from a first dynamic viscoelasticity measurement at a measuring frequency of the releasing agent of 6.28 rad/s, η*b represents a complex viscosity (Pa·s) determined from a second dynamic viscoelasticity measurement at a measuring frequency of the releasing agent of 62.8 rad/s, and each of the first and second dynamic viscoelasticities is measured in a temperature range from a temperature that is 15° C. lower than the melting point of the releasing agent to a temperature that is 15° C. higher than the melting point of the releasing agent.

摘要翻译： 本发明提供一种用于静电荷图像显影的调色剂，其至少包含粘合剂树脂，着色剂和脱模剂。 脱模剂满足以下等式（1）和（2）：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0.1 <= eta * a <= 1.0（1） ？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 1.1 <= eta * b / eta * a <= 3.5（2）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中eta * a表示从第一动态粘弹性确定的复数粘度（Pa.s） 以6.28rad / s的测定频率进行测定，eta * b表示在62.8rad / s的脱模剂的测定频率下的第二次动态粘弹性测定中求出的复数粘度（Pa.s） 第一动态粘弹性和第二动态粘弹性的温度在比脱模剂的熔点低15℃的温度到比脱模剂的熔点高15℃的温度范围内测定。

公开(公告)号：US06489075B2

公开(公告)日：2002-12-03

申请号：US10060338

申请日：2002-02-01

申请人： Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Yosuke Tsurumi ,  Kozo Ota ,  Sakon Takahashi ,  Tomohito Nakajima ,  Atsuhiko Eguchi

发明人： Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Yosuke Tsurumi ,  Kozo Ota ,  Sakon Takahashi ,  Tomohito Nakajima ,  Atsuhiko Eguchi

IPC分类号： G03G1316

CPC分类号： G03G9/09725 ,  G03G9/09708

摘要： A toner for developing an electrostatic latent image, a process for producing the same, and a developer for developing an electrostatic latent image using the same are provided, in which the toner flowability, the charging property, the developing property, the transferring property and the fixing property are simultaneously satisfied in a long period of time. The toner for developing an electrostatic latent image comprising a colored particles containing a binder resin, a coloring agent and a releasing agent, and an external additive, the external additive containing a monodisperse spherical inorganic oxide having a true specific gravity of from 1.3 to 1.9 and a volume average particle diameter of from 80 to 300 nm. It is preferred that the inorganic oxide is silica, the colored particles have a shape coefficient of 125 or less, and the external additive further contains a reaction product of metatitanic acid and a coupling agent, which has an electric resistance of 1010 &OHgr;.cm or more.

公开(公告)号：US06479206B1

公开(公告)日：2002-11-12

申请号：US10132145

申请日：2002-04-26

申请人： Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Yosuke Tsurumi ,  Kozo Ota ,  Sakon Takahashi ,  Tomohito Nakajima ,  Atsuhiko Eguchi

发明人： Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Yosuke Tsurumi ,  Kozo Ota ,  Sakon Takahashi ,  Tomohito Nakajima ,  Atsuhiko Eguchi

IPC分类号： G03G908

CPC分类号： G03G9/09725 ,  G03G9/09708

摘要： A toner for developing an electrostatic latent image, a process for producing the same, and a developer for developing an electrostatic latent image using the same are provided, in which the toner flowability, the charging property, the developing property, the transferring property and the fixing property are simultaneously satisfied in a long period of time. The toner for developing an electrostatic latent image comprising a colored particles containing a binder resin, a coloring agent and a releasing agent, and an external additive, the external additive containing a monodisperse spherical inorganic oxide having a true specific gravity of from 1.3 to 1.9 and a volume average particle diameter of from 80 to 300 nm. It is preferred that the inorganic oxide is silica, the colored particles have a shape coefficient of 125 or less, and the external additive further contains a reaction product of metatitanic acid and a coupling agent, which has an electric resistance of 1010 &OHgr;·cm or more.

公开(公告)号：US06447972B1

公开(公告)日：2002-09-10

申请号：US09717065

申请日：2000-11-22

申请人： Tomohito Nakajima ,  Sakon Takahashi ,  Kozo Ota ,  Chiaki Suzuki

发明人： Tomohito Nakajima ,  Sakon Takahashi ,  Kozo Ota ,  Chiaki Suzuki

IPC分类号： G03G9113

CPC分类号： G03G9/1133

摘要： A charge-providing member or carrier for the development of an electrostatic latent image comprising a resin coat layer provided on a core material, characterized in that the coating resin comprises a (meth)acrylic acid alkyl ester copolymer containing as copolymerizing components a (meth) acrylic acid alkyl ester containing a branched alkyl group having 4 or more carbon atoms and a (meth) acrylic acid alkyl ester containing a fluorine-containing alkyl group, a developer comprising such a carrier, and a sleeve for carrying such a developer.

摘要翻译： 一种用于显影静电潜像的电荷提供构件或载体，包括设置在芯材上的树脂涂层，其特征在于，所述涂覆树脂包含（甲基）丙烯酸烷基酯共聚物，其含有作为共聚成分的（甲基）丙烯酸烷基酯共聚物， 含有具有4个或更多个碳原子的支链烷基的丙烯酸烷基酯和含有含氟烷基的（甲基）丙烯酸烷基酯，包含这种载体的显影剂和用于携带这种显影剂的套筒。

公开(公告)号：US06403271B1

公开(公告)日：2002-06-11

申请号：US09583543

申请日：2000-06-01

申请人： Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Yosuke Tsurumi ,  Kozo Ota ,  Sakon Takahashi ,  Tomohito Nakajima ,  Atsuhiko Eguchi

发明人： Chiaki Suzuki ,  Masahiro Takagi ,  Satoshi Inoue ,  Yosuke Tsurumi ,  Kozo Ota ,  Sakon Takahashi ,  Tomohito Nakajima ,  Atsuhiko Eguchi

IPC分类号： G03G908

CPC分类号： G03G9/09725 ,  G03G9/09708

摘要： A toner for developing an electrostatic latent image, a process for producing the same, and a developer for developing an electrostatic latent image using the same are provided, in which the toner flowability, the charging property, the developing property, the transferring property and the fixing property are simultaneously satisfied in a long period of time. The toner for developing an electrostatic latent image comprising a colored particles containing a binder resin, a coloring agent and a releasing agent, and an external additive, the external additive containing a monodisperse spherical inorganic oxide having a true specific gravity of from 1.3 to 1.9 and a volume average particle diameter of from 80 to 300 nm. It is preferred that the inorganic oxide is silica, the colored particles have a shape coefficient of 125 or less, and the external additive further contains a reaction product of metatitanic acid and a coupling agent, which has an electric resistance of 1010 &OHgr;·cm or more.

摘要翻译： 提供了用于显影静电潜像的调色剂，其制备方法和使用其的静电潜像显影剂，其中调色剂流动性，带电性，显影性，转印性和 固定性能在长时间内同时得到满足。 用于显影静电潜像的调色剂包括含有粘合剂树脂，着色剂和脱模剂的着色颗粒和外部添加剂，所述外部添加剂含有真比重为1.3至1.9的单分散球形无机氧化物和 体积平均粒径为80〜300nm。 无机氧化物优选为二氧化硅，着色粒子的形状系数为125以下，外部添加剂还含有偏钛酸与偶联剂的反应产物，其电阻为1010欧姆·厘米或 更多。

公开(公告)号：US06242146B1

公开(公告)日：2001-06-05

申请号：US09499454

申请日：2000-02-07

申请人： Yuka Ishihara ,  Hiroshi Nakazawa ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Kaori Oishi ,  Tomohito Nakajima ,  Takashi Imai ,  Masanori Ichimura

发明人： Yuka Ishihara ,  Hiroshi Nakazawa ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Kaori Oishi ,  Tomohito Nakajima ,  Takashi Imai ,  Masanori Ichimura

IPC分类号： G03G9113

CPC分类号： G03G9/10

摘要： A carrier for two-component electrostatic-charged image developer, at least the surface of which is coated with a resin, is provided. The apparent density &rgr; (g/cm3) of the carrier, the mean particle diameter D (cm) of the carrier, and the specific area S (cm2/g) of the carrier core material satisfy the following conditions: 600≦S≦1500 10/(D×&rgr;)−S≦300. A two-component developer and an image-forming process using the carrier are also provided.

摘要翻译： 提供了至少其表面涂覆有树脂的双组分静电电荷显影剂载体。 载体的表观密度rho（g / cm 3），载体的平均粒径D（cm）和载体芯材的比表面积S（cm 2 / g）满足以下条件：双组分显影剂 并且还提供使用该载体的图像形成处理。

公开(公告)号：US20120231391A1

公开(公告)日：2012-09-13

申请号：US13478730

申请日：2012-05-23

申请人： Tomohito NAKAJIMA ,  Hiroyuki MORIYA ,  Hideya KATSUHARA ,  Seiichi TAKAGI ,  Kazuya HONGO

发明人： Tomohito NAKAJIMA ,  Hiroyuki MORIYA ,  Hideya KATSUHARA ,  Seiichi TAKAGI ,  Kazuya HONGO

IPC分类号： G03G9/08

CPC分类号： C08J3/16 ,  C08J3/21 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827

摘要： Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (μm) of the colored resin particles is 3≦A≦6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and 0.990−0.0083A≦B≦1.021−0.0117A  (1) a cumulative number frequency of particles which have degrees of circularity of less than 0.9 in the colored resin particles is 1% or less.

摘要翻译： 有色树脂颗粒各自包括：树脂; 和着色树脂颗粒的平均当量圆直径A（μm）的值为3＆lt; NlE; A＆nlE; 6，着色树脂颗粒的平均圆形度B满足下式（1），和0.990- 0.0083A＆nlE; B＆nlE; 1.021-0.0117A（1）着色树脂颗粒中圆度小于0.9的颗粒的累积数频率为1％以下。

公开(公告)号：US08163807B2

公开(公告)日：2012-04-24

申请号：US12429007

申请日：2009-04-23

申请人： Hideya Katsuhara ,  Hiroyuki Moriya ,  Tomohito Nakajima ,  Kazuya Hongo

发明人： Hideya Katsuhara ,  Hiroyuki Moriya ,  Tomohito Nakajima ,  Kazuya Hongo

IPC分类号： B01F5/06

CPC分类号： B01F3/0807 ,  B01F5/0451 ,  B01F5/0463 ,  B01F13/1013 ,  B01F13/1016

摘要： A blending apparatus is provided, the blending apparatus including: an outer tube; and at least one inner tube disposed inside the outer tube, wherein a distal end, in a lengthwise direction, of the inner tube is located at an intermediate position, in a lengthwise direction, of the outer tube, and the inner tube has plural of through holes in a vicinity of the distal end thereof.

摘要翻译： 提供一种混合装置，所述混合装置包括：外管; 以及设置在所述外管内的至少一个内管，其中，所述内管的长度方向的远端位于所述外管的长度方向的中间位置，所述内管具有多个 通孔在其远端附近。

公开(公告)号：US20100125106A1

公开(公告)日：2010-05-20

申请号：US12429007

申请日：2009-04-23

申请人： Hideya KATSUHARA ,  Hiroyuki MORIYA ,  Tomohito NAKAJIMA ,  Kazuya HONGO

发明人： Hideya KATSUHARA ,  Hiroyuki MORIYA ,  Tomohito NAKAJIMA ,  Kazuya HONGO

IPC分类号： B01F3/08 ,  B29B7/60 ,  B29B7/74 ,  B29B7/72 ,  B01J13/00

CPC分类号： B01F3/0807 ,  B01F5/0451 ,  B01F5/0463 ,  B01F13/1013 ,  B01F13/1016

摘要： A blending apparatus is provided, the blending apparatus including: an outer tube; and at least one inner tube disposed inside the outer tube, wherein a distal end, in a lengthwise direction, of the inner tube is located at an intermediate position, in a lengthwise direction, of the outer tube, and the inner tube has plural of through holes in a vicinity of the distal end thereof.

摘要翻译： 提供一种混合装置，所述混合装置包括：外管; 以及设置在所述外管内的至少一个内管，其中，所述内管的长度方向的远端位于所述外管的长度方向的中间位置，所述内管具有多个 通孔在其远端附近。