公开(公告)号：US20080044752A1

公开(公告)日：2008-02-21

申请号：US10593396

申请日：2005-03-14

Applicant: Hiroshi Nakatani ,  Toshihiko Yamato ,  Hiroto Kidokoro

Inventor： Hiroshi Nakatani ,  Toshihiko Yamato ,  Hiroto Kidokoro

IPC: G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097

CPC classification number: G03G9/0906 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08786 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/09 ,  G03G9/0918 ,  G03G9/0926

Abstract: The color toner for developing electrostatic latent images comprising a colored resin particle containing at least a binder resin, a colorant, a charge control agent and a parting agent, wherein an extracted liquid with water by means of a hot water extraction method from said colorant has a pH value in the range from 6.0 to 8.0, said colored resin particle has a volume average particle diameter (Dv) in the range from 4 to 10 μm and an average circularity in the range from 0.93 to 0.995, an amount of extracted components with methanol is 7% by weight or less, and an amount of residual volatile compounds is 500 ppm or less. The color toner for developing electrostatic latent images has excellent image-reproducibility and environmental durability and can form an image with a stable image density under a high temperature and high humidity condition.

Abstract translation: 用于显影静电潜像的彩色调色剂包括至少含有粘合剂树脂，着色剂，电荷控制剂和脱模剂的着色树脂颗粒，其中通过来自所述着色剂的热水提取方法的用水提取的液体具有 所述着色树脂颗粒的体积平均粒径（Dv）在4至10μm的范围内，平均圆形度在0.93至0.995的范围内，所提取的组分与 甲醇为7重量％以下，残留挥发性化合物的量为500ppm以下。 用于显影静电潜像的彩色调色剂具有优异的图像再现性和环境耐久性，并且可以在高温和高湿度条件下形成具有稳定图像浓度的图像。

公开(公告)号：US07906263B2

公开(公告)日：2011-03-15

申请号：US10593396

申请日：2005-03-14

Applicant: Hiroshi Nakatani ,  Toshihiko Yamato ,  Hiroto Kidokoro

Inventor： Hiroshi Nakatani ,  Toshihiko Yamato ,  Hiroto Kidokoro

IPC: G03G9/00

CPC classification number: G03G9/0906 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08786 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/09 ,  G03G9/0918 ,  G03G9/0926

Abstract: The color toner for developing electrostatic latent images comprising a colored resin particle containing at least a binder resin, a colorant, a charge control agent and a parting agent, wherein an extracted liquid with water by means of a hot water extraction method from said colorant has a pH value in the range from 6.0 to 8.0, said colored resin particle has a volume average particle diameter (Dv) in the range from 4 to 10 μm and an average circularity in the range from 0.93 to 0.995, an amount of extracted components with methanol is 7% by weight or less, and an amount of residual volatile compounds is 500 ppm or less. The color toner for developing electrostatic latent images has excellent image-reproducibility and environmental durability and can form an image with a stable image density under a high temperature and high humidity condition.

Abstract translation: 用于显影静电潜像的彩色调色剂包括至少含有粘合剂树脂，着色剂，电荷控制剂和脱模剂的着色树脂颗粒，其中通过来自所述着色剂的热水提取方法的用水提取的液体具有 所述着色树脂颗粒的体积平均粒径（Dv）在4〜10μm的范围内，平均圆形度在0.93〜0.995的范围内，所提取的组分与 甲醇为7重量％以下，残留挥发性化合物的量为500ppm以下。 用于显影静电潜像的彩色调色剂具有优异的图像再现性和环境耐久性，并且可以在高温和高湿度条件下形成具有稳定图像浓度的图像。

公开(公告)号：US20100081078A1

公开(公告)日：2010-04-01

申请号：US12571577

申请日：2009-10-01

Applicant: Hisashi Kurokawa ,  Rei Katsuyama ,  Fuminari Oyama ,  Hiroto Kidokoro

Inventor： Hisashi Kurokawa ,  Rei Katsuyama ,  Fuminari Oyama ,  Hiroto Kidokoro

IPC: G03G9/08

CPC classification number: G03G9/0804 ,  G03G9/0806

Abstract: The present invention is to provide a method for producing a toner capable of sufficiently decreasing the percentage of moisture content of a wet cake in the process of obtaining colored resin particles in wet state (wet cake), capable of reducing the workload in the following drying process, and thus excellent in productivity. A method for producing a toner comprising the steps of: a process of obtaining an aqueous dispersion of colored resin particles by forming colored resin particles by a wet method; a process of obtaining the colored resin particles in wet state (wet cake) by supplying the aqueous dispersion of the colored resin particles to a belt filter and performing solid-liquid separation; and a process of drying the wet cake, wherein a filter cloth continuous running type belt filter is used as the belt filter in the process of obtaining the wet cake, and the filter cloth continuous running type belt filter has a separation-washing mechanism, in which the aqueous dispersion of the colored resin particles is supplied on a lower filter cloth of the belt filter, the colored resin particles are separated followed by washing, and thus the wet cake is formed, and a pressure-ventilation mechanism, in which the wet cake is covered with an upper filter cloth, the wet cake, disposed between the upper and lower filter cloths, is ventilated while pressure is applied to the wet cake, and thus the wet cake having low percentage of moisture content is obtained.

Abstract translation: 本发明提供一种在湿润状态下获得有色树脂颗粒（湿滤饼）的过程中能够充分降低湿滤饼含水率的方法，能够降低下次干燥时的工作量 工艺，因此生产率优异。 一种调色剂的制造方法，包括以下步骤：通过湿法形成着色树脂颗粒得到着色树脂颗粒的水性分散体的方法; 通过将有色树脂颗粒的水性分散体供给到带式过滤器并进行固液分离，得到湿状态的着色树脂颗粒（湿滤饼）的工序; 以及干燥湿滤饼的过程，其中在获得湿滤饼的过程中使用滤布连续式带式过滤器作为带式过滤器，并且滤布连续式带式过滤器具有分离洗涤机构， 将着色树脂颗粒的水性分散体供给到带式过滤器的下部滤布上，着色树脂颗粒被分离，随后进行洗涤，从而形成湿饼，并且其中湿润的压力通风机构 蛋糕被上部滤布覆盖，设置在上部和下部滤布之间的湿滤饼在湿滤饼施加压力的同时通风，因此获得了低含水率的湿滤饼。

公开(公告)号：US20070269733A1

公开(公告)日：2007-11-22

申请号：US11793658

申请日：2005-12-28

Applicant: Gen-ichi Ohta ,  Hiroto Kidokoro

Inventor： Gen-ichi Ohta ,  Hiroto Kidokoro

IPC: G03G13/04

CPC classification number: G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

Abstract: The present invention provides a toner for developing electrostatic image comprising a colored particle containing a binder resin, a colorant and a release agent, wherein the toner for developing electrostatic image has two or more maximum values of peaks or shoulders of loss tangent (tan δ) in the range from 50 to 120° C., a loss tangent (tan δ) in the range from 100 to 200° C. is 0.8 or less, and a dispersed diameter of the release agent is 0.1 times or less shorter than a volume average particle diameter of the colored particle.

Abstract translation: 本发明提供一种用于静电图像显影的调色剂，其包含含有粘合剂树脂，着色剂和脱模剂的着色颗粒，其中用于显影静电图像的调色剂具有两个或更多个峰值或峰值的损失角正切（tanδ） 在50〜120℃的范围内，100〜200℃的损耗角正切（tanδ）为0.8以下，剥离剂的分散直径比体积短0.1倍以下 着色颗粒的平均粒径。

公开(公告)号：US5281510A

公开(公告)日：1994-01-25

申请号：US064482

申请日：1992-12-30

Applicant: Fusayoshi Sakurai ,  Hiroto Kidokoro ,  Mitsuhiro Tamura

Inventor： Fusayoshi Sakurai ,  Hiroto Kidokoro ,  Mitsuhiro Tamura

IPC: C08F279/02 ,  C08F287/00 ,  C08F290/04 ,  G03F7/033

CPC classification number: C08F279/02 ,  C08F287/00 ,  C08F290/048 ,  G03F7/033 ,  Y10S430/108

Abstract: A photosensitive elastomeric composition comprising (1) at least one elastomer, (2) an addition-polymerizable compound having at least one CH.sub.2 .dbd.C

Abstract translation: 一种感光性弹性体组合物，其包含（1）至少一种弹性体，（2）具有至少一个CH 2 = C <基团的加成聚合化合物和（3）可通过光化剂活化的聚合引发剂，其中所述弹性体（1） 弹性体选自（a）由含有至少两个非共轭双键的多烯单体和共轭二烯类单体组成的弹性体聚合物或共轭二烯类单体和可共聚乙烯基单体两者，（b）弹性线性 AB型（其中A表示单乙烯基芳族化合物的聚合物嵌段，B表示共轭二烯型单体的聚合物嵌段）嵌段共聚物，其中具有可聚合烯键式双键的末端基团存在于 分子链。

公开(公告)号：US07910278B2

公开(公告)日：2011-03-22

申请号：US11793658

申请日：2005-12-28

Applicant: Gen-ichi Ohta ,  Hiroto Kidokoro

Inventor： Gen-ichi Ohta ,  Hiroto Kidokoro

IPC: G03G9/00

CPC classification number: G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

Abstract: The present invention provides a toner for developing electrostatic image comprising a colored particle containing a binder resin, a colorant and a release agent, wherein the toner for developing electrostatic image has two or more peaks of loss tangent (tan δ) in the range from 50 to 120° C., a loss tangent (tan δ) in the range from 100 to 200° C. is 0.8 or less, and a dispersed diameter of the release agent is 0.1 times or less shorter than a volume average particle diameter of the colored particle.

Abstract translation: 本发明提供一种用于静电图像显影的调色剂，其包含含有粘合剂树脂，着色剂和脱模剂的着色颗粒，其中用于显影静电图像的调色剂具有两个或更多个损耗角正切（tanδ）的峰值在50 至120℃时，100〜200℃的损耗角正切（tanδ）为0.8以下，脱模剂的分散直径比其均匀粒径短0.1倍以下 彩色颗粒。

公开(公告)号：US20080160434A1

公开(公告)日：2008-07-03

申请号：US11792827

申请日：2005-12-13

Applicant: Keita Sensui ,  Hiroto Kidokoro

Inventor： Keita Sensui ,  Hiroto Kidokoro

IPC: G03G13/14 ,  G03G9/09

CPC classification number: G03G9/09 ,  G03G9/0823

Abstract: The present invention provides a toner for developing an electrostatic latent image which is capable of obtaining sufficient image density and preventing transfer failure even in a state that a toner is likely to be deficient in charge amount or charge distribution such as when the consumption rate of toner is high or in the early stage of printing.A toner for developing an electrostatic latent image is a toner comprising a colored particle containing a colorant and a binder resin, wherein a work function X (eV) of the toner obtained in measuring work function and a gradient A (1/eV) of a normalized photoelectron yield with respect to an excitation energy calculated from a formula “normalized photoelectron yield/excitation energy” are in the ranges of 5.35 0, is disclosed.

Abstract translation: 本发明提供了一种用于显影静电潜像的调色剂，其能够获得足够的图像浓度并且即使在调色剂可能不充足的电荷量或电荷分布的状态下，例如当调色剂的消耗速率 是高或在打印的早期阶段。 用于显影静电潜像的调色剂是含有着色剂和粘合剂树脂的着色颗粒的调色剂，其中在测量功函数中获得的调色剂的功函数X（eV）和梯度A（1 / eV） 相对于由归一化光电子产生/激发能量计算的激发能量的归一化光电子产率在5.35 0的范围内。

公开(公告)号：US20080038655A1

公开(公告)日：2008-02-14

申请号：US10593336

申请日：2005-03-14

Applicant: Hiroto Kidokoro

Inventor： Hiroto Kidokoro

IPC: G03G9/087

CPC classification number: G03G9/09733 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/097 ,  G03G9/09708

Abstract: A toner for developing electrostatic latent images comprising a colored resin particle containing a binder resin, a colorant and a parting agent, and an external additive, wherein a volume average particle diameter (Dv) is 4 to 10 μm and an average circularity is in the range of 0.93 to 0.995; an arithmetic average roughness Ra of a surface of the toner is in the range of 0.05 to 0.3 μm; a 10-point average roughness of the surface of the toner is in the range of 0.5 to 2.5 μm; an angle of repose is in the range of 10 to 35°; and a transformation ratio of the toner applied with a pressure of 1 mN/mm2 for 5 seconds by means of a microcompression tester is 20% or less. The toner has an excellent balance between offset and low-temperature fixing performance and an excellent shelf stability when used in a high-printing speed printer. And, by using the toner, an image can be formed without deteriorating image quality by environmental change, and excellent cleaning ability can be provided.

Abstract translation: 一种用于显影静电潜像的调色剂，其包含含有粘合剂树脂，着色剂和脱模剂的着色树脂颗粒和外部添加剂，其中体积平均粒径（Dv）为4至10μm，平均圆形度为 范围为0.93〜0.995; 调色剂表面的算术平均粗糙度Ra在0.05至0.3μm的范围内; 调色剂表面的10点平均粗糙度在0.5至2.5μm的范围内; 休止角在10〜35度的范围内; 并且通过微压缩试验机在5秒钟内以1mN / mm 2的压力施加的调色剂的变换比为20％以下。 调色剂在高印刷速度打印机中使用时，在偏移和低温定影性能之间具有出色的平衡性和优异的搁板稳定性。 并且，通过使用调色剂，可以形成图像，而不会因环境变化而劣化图像质量，并且可以提供优异的清洁能力。

公开(公告)号：US20060172209A1

公开(公告)日：2006-08-03

申请号：US11341523

申请日：2006-01-30

Applicant: Hiroto Kidokoro

Inventor： Hiroto Kidokoro

IPC: G03G9/097

CPC classification number: G03G9/0823 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08733 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/093 ,  G03G9/09321 ,  G03G9/09335 ,  G03G9/09364 ,  G03G9/09378

Abstract: An object of the present invention is to provide a toner for developing electrostatic image which has excellent charging property and flowability and is less likely to decline image quality due to an environmental change. A toner for developing electrostatic image comprises a colored particle containing a binder resin, a colorant, a release agent and a charge control agent, wherein an absolute charge amount of the toner on a developing roll in an actual device |Q/M|a is in the range from 20 to 100 μC/g and a zeta potential |E| is 10 mV or less after laying still for 24 hours under environment at a temperature of 23° C. and a relative humidity of 50%.

Abstract translation: 本发明的目的是提供一种具有优异的充电性能和流动性的静电图像显影用调色剂，并且由于环境变化而不太可能降低图像质量。 用于显影静电图像的调色剂包括含有粘合剂树脂，着色剂，脱模剂和电荷控制剂的着色颗粒，其中实际装置中显影辊上的调色剂的绝对电荷量| Q / M | _{a 在20至100μC/ g的范围内，ζ电势| E | 在环境温度23℃，相对湿度50％下静置24小时后为10mV以下。}

公开(公告)号：US07769337B2

公开(公告)日：2010-08-03

申请号：US12065410

申请日：2006-08-30

Applicant: Muneharu Itoh ,  Hiroto Kidokoro

Inventor： Muneharu Itoh ,  Hiroto Kidokoro

IPC: G03G21/00

CPC classification number: G03G9/0827 ,  G03G9/0819 ,  G03G9/0823 ,  G03G21/0017

Abstract: An image forming method using a cleaning blade which prevents the spherical toner to pass through a gap between the blade and a photosensitive member and which has durability so as to be less worn away or chipped, wherein it is possible to maintain cleaning performance over a long term even in high-speed printing using spherical toner, and a non-transferred toner and external additives dropping out from colored particles less causes filming on the photosensitive member and less gives damage to the surface of the photosensitive member, is provided.A method of forming an image using a toner having an average circularity of 0.95 to 0.998 to perform developing, transferring, fixing and cleaning for removing the toner remaining on the photosensitive member after the transferring by a cleaning blade 6 abutting on the photosensitive member, wherein an abutting portion of the cleaning blade 6 on the photosensitive member has an indentation modulus (A) of 5 to 15 KPa at an indenting load of 10 mN and 23° C., a ratio of the modulus (A) to an indentation modulus (B) at an indenting load of 100 mN and 23° C. of 1.1 to 1.8, and a loss tangent (tan δ) of the cleaning blade at 20 to 50° C. in the range from 0.01 to 0.1.

Abstract translation: 一种使用清洁刮板的图像形成方法，其防止球形调色剂通过刀片和感光构件之间的间隙，并且具有耐磨性以便磨损或切碎，其中可以长时间保持清洁性能 即使在使用球形调色剂的高速印刷中，也提供了未着色的调色剂和从有色颗粒中滴出的外部添加剂较少导致感光构件上的成膜并且对感光构件的表面造成损坏。 使用平均圆形度为0.95〜0.998的调色剂形成图像的方法，以进行显影，转印，定影和清洁，以便在由抵接在感光构件上的清洁刮板6转印之后去除残留在感光构件上的调色剂，其中 清洁刮板6在感光构件上的抵接部分在压痕负荷为10mN和23℃时的压模模量（A）为5至15KPa，模量（A）与压痕模量（ B），在100mN和23℃的压痕负荷下为1.1〜1.8，在20〜50℃下的损耗角正切（tanδ）为0.01〜0.1。