公开(公告)号：US07457572B2

公开(公告)日：2008-11-25

申请号：US11472300

申请日：2006-06-22

申请人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

发明人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G15/08

CPC分类号： G03G15/0812 ,  G03G2215/0607

摘要： An image forming method and related process cartridge, the method having the steps of controlling the layer thickness of a toner on a toner bearing member by means of a toner regulating blade, and developing with the toner an electrostatic latent image formed on an electrostatic latent image bearing member, the toner regulating blade has, at its part to be kept in touch with the toner bearing member, a specific ten-point average roughness Rz and a specific ratio (area of contact portion/area of non-contact portion) at a specific face pressure, and the toner has a specific average circularity and has a specific aerated bulk density. This image forming method and process cartridge promise superior developing performance in any environment, can keep sleeve negative ghost from occurring and can keep toner melt adhesion to toner regulating blade and toner melt adhesion to toner bearing member from occurring.

摘要翻译： 一种图像形成方法和相关处理盒，该方法具有以下步骤：通过调色剂调节刮板控制调色剂承载部件上的调色剂的层厚度，并且利用调色剂显影形成在静电潜像上的静电潜像 调色剂调节叶片在其部分与调色剂承载部件保持接触，具体的十点平均粗糙度Rz和特定比例（接触部分的面积/非接触部分的面积）在 特定的面压，并且调色剂具有特定的平均圆形度并且具有特定的充气体积密度。 这种图像形成方法和处理盒在任何环境中都具有优异的显影性能，可以保持套筒阴影不发生，并且可以保持调色剂熔融粘附到调色剂调节片和调色剂与调色剂承载部件的熔融粘合。

公开(公告)号：US20070059049A1

公开(公告)日：2007-03-15

申请号：US11472300

申请日：2006-06-22

申请人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

发明人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G15/08

CPC分类号： G03G15/0812 ,  G03G2215/0607

摘要： An image forming method having the steps of controlling the layer thickness of a toner on a toner bearing member by means of a toner regulating blade, and developing with the toner an electrostatic latent image formed on an electrostatic latent image bearing member, the toner regulating blade has, at its part to be kept in touch with the toner bearing member, a specific ten-point average roughness Rz and a specific ratio (area of contact portion/area of non-contact portion) at a specific face pressure, and the toner has a specific average circularity and has a specific aerated bulk density. This image forming method promises superior developing performance in any environment, can keep sleeve negative ghost from occurring and can keep toner melt adhesion to toner regulating blade and toner melt adhesion to toner bearing member from occurring.

摘要翻译： 一种图像形成方法，具有以下步骤：通过调色剂调节刮板控制调色剂承载部件上的调色剂的层厚度，并且利用调色剂显影形成在静电潜像承载部件上的静电潜像，调色剂调节片 其特征在于与调色剂承载部件保持接触，特定的十点平均粗糙度Rz和特定比例（接触部分/非接触部分的面积）在特定的面压下，并且调色剂 具有特定的平均圆形度并具有特定的充气体积密度。 这种图像形成方法在任何环境中具有优异的显影性能，可以保持套筒阴影不发生，并且可以保持调色剂熔融粘附到调色剂调节片和调色剂熔融粘附到调色剂轴承部件上。

公开(公告)号：US07582401B2

公开(公告)日：2009-09-01

申请号：US11407257

申请日：2006-04-20

申请人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

发明人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08733 ,  G03G9/0806 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： The invention is to provide a toner excellent in fixing property, high-temperature offset resistance and blocking resistance, and having an excellent developing property. The invention provides a toner including at least a binder resin and a colorant, wherein: the binder resin contains a hybrid resin which contains a polyester-type resin unit by 50 mass % or more and in which a polyester-type resin component and a vinyl-type resin component are chemically bonded; the toner contains 3 to 50 mass % of a tetrahydrofuran-insoluble matter derived from the binder resin; the tetrahydrofuran-insoluble matter contains a hybrid resin; and a tetrahydrofuran-soluble matter, obtained by hydrolyzing the tetrahydrofuran-insoluble matter and separating by filtration, has, in a GPC-measured molecular weight distribution, a main peak within a molecular weight range of 50,000 to 500,000.

摘要翻译： 本发明提供一种调色性，耐高温抵抗性，耐粘连性优异，显影性优异的调色剂。 本发明提供了至少包含粘合剂树脂和着色剂的调色剂，其中：所述粘合剂树脂含有含有50质量％以上的聚酯类树脂单元的混合树脂，其中，聚酯类树脂成分和乙烯基 化学键合; 调色剂含有3〜50质量％的来自粘合剂树脂的四氢呋喃不溶物质; 四氢呋喃不溶物含有杂化树脂; 通过水解四氢呋喃不溶物并通过过滤分离得到的四氢呋喃可溶物质在GPC测定的分子量分布中具有在50,000〜500,000的分子量范围内的主峰。

公开(公告)号：US20060240352A1

公开(公告)日：2006-10-26

申请号：US11407257

申请日：2006-04-20

申请人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

发明人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08733 ,  G03G9/0806 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： The invention is to provide a toner excellent in fixing property, high-temperature offset resistance and blocking resistance, and having an excellent developing property. The invention provides a toner including at least a binder resin and a colorant, wherein: the binder resin contains a hybrid resin which contains a polyester-type resin unit by 50 mass % or more and in which a polyester-type resin component and a vinyl-type resin component are chemically bonded; the toner contains 3 to 50 mass % of a tetrahydrofuran-insoluble matter derived from the binder resin; the tetrahydrofuran-insoluble matter contains a hybrid resin; and a tetrahydrofuran-soluble matter, obtained by hydrolyzing the tetrahydrofuran-insoluble matter and separating by filtration, has, in a GPC-measured molecular weight distribution, a main peak within a molecular weight range of 50,000 to 500,000.

摘要翻译： 本发明提供一种调色性，耐高温抵抗性，耐粘连性优异，显影性优异的调色剂。 本发明提供了至少包含粘合剂树脂和着色剂的调色剂，其中：所述粘合剂树脂含有含有50质量％以上的聚酯类树脂单元的混合树脂，其中，聚酯类树脂成分和乙烯基 化学键合; 调色剂含有3〜50质量％的来自粘合剂树脂的四氢呋喃不溶物质; 四氢呋喃不溶物含有杂化树脂; 通过水解四氢呋喃不溶物并通过过滤分离得到的四氢呋喃可溶物质在GPC测定的分子量分布中具有在50,000〜500,000的分子量范围内的主峰。

公开(公告)号：US20060263710A1

公开(公告)日：2006-11-23

申请号：US11416143

申请日：2006-05-03

申请人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

发明人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

IPC分类号： G03G9/083

CPC分类号： G03G9/0836 ,  G03G9/0819 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/0838 ,  G03G9/0839

摘要： A magnetic toner including at least: a binder resin; and a magnetic body, in which, when magnetization at a magnetic field strength of 397.9 kA/m and a coercive force of the magnetic toner are denoted by σs (Am2/kg) and Hc (kA/m), respectively, a magnetic field strength at which the magnetic toner shows a magnetization value equal to 95% of σs is denoted by H95% (kA/m), and a number average particle size of the magnetic body is denoted by d (μm), H95%, Hc, and d satisfy the following expressions. 151

摘要翻译： 至少包括粘合剂树脂的磁性调色剂; 以及磁体，其中当磁场强度为397.9kA / m和磁性调色剂的矫顽力的磁化用Sigmas（Am 2 / kg / kg）表示，Hc（kA / m），磁性调色剂显示等于信标的95％的磁化强度的磁场强度由H95％（kA / m）表示，磁体的数均粒径由d（ 妈妈），H95％，Hc和d满足下列表达式。 <？in-line-formula description =“In-line Formulas”end =“lead”？> 151 <？in-line-formula description =”In-line Formulas“end =”lead“？> 7.1 <？in-line-formula description =“In-line Formulas”end =“lead”？> 40

公开(公告)号：US07678524B2

公开(公告)日：2010-03-16

申请号：US11416143

申请日：2006-05-03

申请人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

发明人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

IPC分类号： G03G9/083

CPC分类号： G03G9/0836 ,  G03G9/0819 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/0838 ,  G03G9/0839

摘要： A magnetic toner including at least: a binder resin; and a magnetic body, in which, when magnetization at a magnetic field strength of 397.9 kA/m and a coercive force of the magnetic toner are denoted by σs (Am2/kg) and Hc (kA/m), respectively, a magnetic field strength at which the magnetic toner shows a magnetization value equal to 95% of σs is denoted by H95% (kA/m), and a number average particle size of the magnetic body is denoted by d (μm), H95%, Hc, and d satisfy the following expressions. 151

摘要翻译： 至少包括粘合剂树脂的磁性调色剂; 和磁体，其中当磁场强度为397.9kA / m和磁性调色剂的矫顽力的磁化分别用＆sgr（s）（Am2 / kg）和Hc（kA / m）表示时，a 磁性调色剂显示等于95％的磁化强度的磁场强度由H95％（kA / m）表示，磁体的数均粒径由d（μm）表示，H95 ％，Hc和d满足下列表达式。 151

公开(公告)号：US08614044B2

公开(公告)日：2013-12-24

申请号：US13159172

申请日：2011-06-13

申请人： Takashi Matsui ,  Michihisa Magome ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Shuichi Hiroko ,  Yoshitaka Suzumura ,  Shotaro Nomura ,  Atsuhiko Ohmori

发明人： Takashi Matsui ,  Michihisa Magome ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Shuichi Hiroko ,  Yoshitaka Suzumura ,  Shotaro Nomura ,  Atsuhiko Ohmori

IPC分类号： G03G9/00

CPC分类号： G03G9/0827 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09328

摘要： To provide a toner which can achieve both low-temperature fixing performance and dot reproducibility and further can obtain images on which any density non-uniformity has been kept from coming about, the toner has toner particles, each of the toner particles has a toner base particle containing a binder resin, a colorant and a release agent, and an inorganic fine powder; the toner having: (1) an average circularity of 0.960 or more; (2) a number-average molecular weight Mn(25° C.) of from 500 or more to 3,000 or less in measuring a tetrahydrofuran-soluble matter at 25° C. of the toner by SEC-MALLS; and (3) a value of Mn(135° C.)/Mn(25° C.) of from 25 or more to 50 or less which is the ratio of number-average molecular weight Mn(135° C.) in measuring an o-dichlorobenzene-soluble matter at 135° C. of the toner by SEC-MALLS to number-average molecular weight Mn(25° C.) in measuring a tetrahydrofuran-soluble matter at 25° C. of the toner by SEC-MALLS.

摘要翻译： 为了提供能够实现低温定影性能和点再现性的调色剂，并且还可以获得不会发生任何密度不均匀的图像，调色剂具有调色剂颗粒，每个调色剂颗粒都具有调色剂基底 含有粘合剂树脂的颗粒，着色剂和脱模剂，以及无机细粉末; 调色剂具有：（1）平均圆形度为0.960以上; （2）通过SEC-MALLS测定调色剂的25℃下的四氢呋喃可溶物质中的数均分子量Mn（25℃）为500以上至3000以下; 和（3）在测量中数均分子量Mn（135℃）的比例为25以上至50以下的Mn（135℃）/ Mn（25℃）的值 通过SEC-MALLS将调色剂在135℃下的邻二氯苯可溶物质通过SEC-MALLS调节至数均分子量Mn（25℃），测定调色剂在25℃下的四氢呋喃可溶物质， 马尔斯

公开(公告)号：US07123862B2

公开(公告)日：2006-10-17

申请号：US10832445

申请日：2004-04-27

申请人： Yusuke Hasegawa ,  Yuichi Mizoo ,  Tadashi Dojo ,  Nene Shibayama ,  Tomohisa Sano

发明人： Yusuke Hasegawa ,  Yuichi Mizoo ,  Tadashi Dojo ,  Nene Shibayama ,  Tomohisa Sano

IPC分类号： G03G15/01 ,  G03G9/00

CPC分类号： G03G9/0833 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/0836 ,  G03G9/0838 ,  G03G9/08782

摘要： In an image forming apparatus having at least an amorphous silicon photosensitive member, a magnetic toner developing means and a color developer developing means, the magnetic toner has a weight-average particle diameter (D4) of from 4.0 μm to 10.0 μm and a ratio thereof to number-average particle diameter (D1), D4/D1, of from 1.0 to 2.0, and the number of magnetic particles not passing through a mesh with an opening of 34 μm which are contained in the unit volume of the magnetic toner is from 3.5 to 105. This image forming apparatus can not easily cause faulty cleaning performance even in using the magnetic toner and the non-magnetic color toners in combination and has superior environmental stability and running stability even where toners made to have small particle diameter are used or process speed is high.

摘要翻译： 在至少具有非晶硅感光构件，磁性调色剂显影装置和彩色显影剂显影装置的图像形成装置中，磁性调色剂的重均粒径（D 4）为4.0μm至10.0μm， 的数均粒径（D 1），D 4 / D 1为1.0〜2.0，未通过具有34μm的开孔的网状物的磁性粒子的数量为 磁性调色剂为3.5至105.该成像装置即使在组合使用磁性调色剂和非磁性色调剂也不容易引起清洁性能不良，并且即使在具有小颗粒的调色剂的情况下也具有优异的环境稳定性和运行稳定性 使用直径或加工速度高。

公开(公告)号：US20110311910A1

公开(公告)日：2011-12-22

申请号：US13159172

申请日：2011-06-13

申请人： Takashi Matsui ,  Michihisa Magome ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Shuichi Hiroko ,  Yoshitaka Suzumura ,  Shotaro Nomura ,  Atsuhiko Ohmori

发明人： Takashi Matsui ,  Michihisa Magome ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Shuichi Hiroko ,  Yoshitaka Suzumura ,  Shotaro Nomura ,  Atsuhiko Ohmori

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/0827 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09328

摘要： To provide a toner which can achieve both low-temperature fixing performance and dot reproducibility and further can obtain images on which any density non-uniformity has been kept from coming about, the toner has toner particles, each of the toner particles has a toner base particle containing a binder resin, a colorant and a release agent, and an inorganic fine powder; the toner having: (1) an average circularity of 0.960 or more; (2) a number-average molecular weight Mn(25° C.) of from 500 or more to 3,000 or less in measuring a tetrahydrofuran-soluble matter at 25° C. of the toner by SEC-MALLS; and (3) a value of Mn(135° C.)/Mn(25° C.) of from 25 or more to 50 or less which is the ratio of number-average molecular weight Mn(135° C.) in measuring an o-dichlorobenzene-soluble matter at 135° C. of the toner by SEC-MALLS to number-average molecular weight Mn(25° C.) in measuring a tetrahydrofuran-soluble matter at 25° C. of the toner by SEC-MALLS.

摘要翻译： 为了提供能够实现低温定影性能和点再现性的调色剂，并且还可以获得不会发生任何密度不均匀的图像，调色剂具有调色剂颗粒，每个调色剂颗粒具有调色剂基底 含有粘合剂树脂的颗粒，着色剂和脱模剂，以及无机细粉末; 调色剂具有：（1）平均圆形度为0.960以上; （2）通过SEC-MALLS测定调色剂的25℃下的四氢呋喃可溶物质中的数均分子量Mn（25℃）为500以上至3000以下; 和（3）在测量中数均分子量Mn（135℃）的比例为25以上至50以下的Mn（135℃）/ Mn（25℃）的值 通过SEC-MALLS将调色剂在135℃下的邻二氯苯可溶物质通过SEC-MALLS调节至数均分子量Mn（25℃），测量调色剂在25℃下的四氢呋喃可溶物质， 马尔斯

公开(公告)号：US09551947B2

公开(公告)日：2017-01-24

申请号：US13205599

申请日：2011-08-08

申请人： Shuichi Hiroko ,  Yoshihiro Nakagawa ,  Tomohisa Sano

发明人： Shuichi Hiroko ,  Yoshihiro Nakagawa ,  Tomohisa Sano

IPC分类号： G03G9/083 ,  G03G9/08 ,  G03G9/087

CPC分类号： G03G9/0836 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0834 ,  G03G9/0837 ,  G03G9/0839 ,  G03G9/08795 ,  G03G9/08797

摘要： A magnetic toner is provided that exhibits an excellent dot reproducibility and developing performance after being allowed to stand in a high temperature and high humidity environment and an excellent low-temperature fixability. The magnetic toner has an inorganic fine powder and a magnetic toner particle containing a binder resin, a magnetic body, and a release agent, wherein in a stress relaxation measurement using a rotating plate rheometer, the magnetic toner exhibits a yield value A at 25° C. of at least 3×106 (sec), and the magnetic toner that has been heated to 80° C. and then cooled to 25° C. exhibits a yield value B at 25° C. of not more than 1×105 (sec).

摘要翻译： 提供一种磁性调色剂，其在高温高湿环境下放置后具有优异的点重现性和显影性能，并具有优异的低温定影性。 磁性调色剂具有无机细粉末和含有粘合剂树脂，磁性体和脱模剂的磁性调色剂颗粒，其中在使用旋转板流变仪的应力松弛测量中，磁性调色剂在25℃下显示屈服值A C.至少3×106（秒），并且已经加热至80℃然后冷却至25℃的磁性调色剂在25℃下显示不大于1×10 5的屈服值B （秒）。