公开(公告)号：US08227164B2

公开(公告)日：2012-07-24

申请号：US12777844

申请日：2010-05-11

申请人： Tsuyoshi Sugimoto ,  Naohito Shimota ,  Hiroshi Yamashita ,  Satoshi Ogawa ,  Masana Shiba ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Masaki Watanabe

发明人： Tsuyoshi Sugimoto ,  Naohito Shimota ,  Hiroshi Yamashita ,  Satoshi Ogawa ,  Masana Shiba ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Masaki Watanabe

IPC分类号： G03G9/00

CPC分类号： G03G9/0821 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0975

摘要： A toner, including a colorant; a binder resin; a release agent; and a fixing supplemental component, wherein the toner has a storage elastic modulus G′ (Pa) satisfying the following conditions: 5.0×104

摘要翻译： 包括着色剂的调色剂; 粘合剂树脂; 脱模剂; 和固定补充组分，其中调色剂具有满足以下条件的储能弹性模量G'（Pa）：在80℃下5.0×104

公开(公告)号：US08435716B2

公开(公告)日：2013-05-07

申请号：US13021236

申请日：2011-02-04

申请人： Masaki Watanabe ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo ,  Takahiro Honda ,  Ryuta Chiba

发明人： Masaki Watanabe ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo ,  Takahiro Honda ,  Ryuta Chiba

IPC分类号： G03G5/00

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904

摘要： A method for producing a toner, including: dispersing toner particles containing at least a binder resin in a first aqueous medium so as to produce an aqueous dispersion; and subjecting the aqueous dispersion to heat treatment, wherein the electric conductivity of the aqueous dispersion after the heat treatment is higher than the electric conductivity of the aqueous dispersion before the heat treatment by 50 μS/cm or less.

摘要翻译： 一种调色剂的制造方法，包括：将含有至少一种粘合剂树脂的调色剂颗粒分散在第一水性介质中以产生水分散体; 并对水分散体进行热处理，其中热处理后的水性分散体的电导率高于热处理前的水分散体的电导率为50μS/ cm以下。

公开(公告)号：US07817955B2

公开(公告)日：2010-10-19

申请号：US11857791

申请日：2007-09-19

申请人： Satoshi Kojima ,  Naohiro Watanabe ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo

发明人： Satoshi Kojima ,  Naohiro Watanabe ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo

IPC分类号： G03G21/00 ,  G03G9/00

CPC分类号： G03G9/0827 ,  G03G9/09716 ,  G03G21/0011

摘要： An image forming apparatus including an image bearing member to bear a latent electrostatic image, a charging member to charge a surface of the image bearing member, an irradiation member to irradiate the image bearing member to write the latent electrostatic image, a development member to develop the latent electrostatic image with a toner to form a visualized image, a transfer device to transfer the visualized image directly or via an intermediate transfer body to a recording medium, a fixing device to fix the transferred image transferred on the recording medium and a cleaning device to remove residual toner remaining on the image bearing member. In the image forming apparatus, the cleaning device includes an elastic member having a blade forming a front end which is in contact with the image bearing member at a pressure of from 2 to 6 MPa and the toner is granulated in an aqueous phase and contains a laminar inorganic mineral having ions between layers at least part of which is modified by an organic ion and an average of a form factor SF-1 of the toner is from 130 to 160.

摘要翻译： 一种图像形成装置，包括承载静电潜像的图像承载部件，对图像承载部件的表面充电的充电部件，照射部件以照射图像承载部件以写入静电潜像，显影部件，以显影 具有调色剂的静电潜像以形成可视化图像，将可视图像直接或经由中间转印体转印到记录介质的转印装置，固定转印在记录介质上的转印图像的定影装置和清洁装置 以去除残留在图像承载部件上的残留调色剂。 在图像形成装置中，清洁装置包括弹性构件，该弹性构件具有形成在2至6MPa的压力下与图像承载构件接触的前端的刮板，并且调色剂在水相中造粒，并且包含 层状无机矿物在层之间具有离子，其中至少一部分由有机离子改性，并且调色剂的形状因子SF-1的平均值为130〜160。

公开(公告)号：US09523931B2

公开(公告)日：2016-12-20

申请号：US14168172

申请日：2014-01-30

申请人： Satoshi Kojima ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda

发明人： Satoshi Kojima ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda

IPC分类号： G03G9/00 ,  G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

摘要： To provide a toner, which contains silica particles containing first silica particles, and second silica particles, wherein the toner is a toner produced by depositing the silica particles on surfaces of base particles, the first silica particles have an average primary particle diameter of 75 nm to 250 nm, the second silica particles have an average primary particle diameter of 10 nm to 50 nm, a mass ratio of the first silica particles to the base particles is 0.010 to 0.040, a mass ratio of the second silica particles to the base particles is 0.005 to 0.030, a liberation ratio of the silica particles from the toner by a ultrasonic vibration method is 5% by mass to 20% by mass, and an amount of particles having primary particle diameters of 30 nm or smaller in the silica particles librated from the toner by the ultrasonic vibration method is 20% by number or less.

摘要翻译： 为了提供含有含有第一二氧化硅颗粒的二氧化硅颗粒的调色剂和第二二氧化硅颗粒，其中调色剂是通过将二氧化硅颗粒沉积在基础颗粒的表面上而制备的调色剂，第一二氧化硅颗粒的平均一次粒径为75nm 至250nm，第二二氧化硅粒子的平均一次粒径为10nm〜50nm，第一二氧化硅粒子与基础粒子的质量比为0.010〜0.040，第二二氧化硅粒子与基础粒子的质量比 为0.005〜0.030，通过超声波振动法从调色剂得到的二氧化硅粒子的释放率为5质量％〜20质量％，二氧化硅粒子中的初级粒径为30nm以下的粒子的量分解 从调色剂通过超声波振动法是20％以下。

公开(公告)号：US20140220485A1

公开(公告)日：2014-08-07

申请号：US14168172

申请日：2014-01-30

申请人： Satoshi KOJIMA ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda

发明人： Satoshi KOJIMA ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

摘要： To provide a toner, which contains silica particles containing first silica particles, and second silica particles, wherein the toner is a toner produced by depositing the silica particles on surfaces of base particles, the first silica particles have an average primary particle diameter of 75 nm to 250 nm, the second silica particles have an average primary particle diameter of 10 nm to 50 nm, a mass ratio of the first silica particles to the base particles is 0.010 to 0.040, a mass ratio of the second silica particles to the base particles is 0.005 to 0.030, a liberation ratio of the silica particles from the toner by a ultrasonic vibration method is 5% by mass to 20% by mass, and an amount of particles having primary particle diameters of 30 nm or smaller in the silica particles librated from the toner by the ultrasonic vibration method is 20% by number or less.

摘要翻译： 为了提供含有含有第一二氧化硅颗粒的二氧化硅颗粒的调色剂和第二二氧化硅颗粒，其中调色剂是通过将二氧化硅颗粒沉积在基础颗粒的表面上而制备的调色剂，第一二氧化硅颗粒的平均一次粒径为75nm 至250nm，第二二氧化硅粒子的平均一次粒径为10nm〜50nm，第一二氧化硅粒子与基础粒子的质量比为0.010〜0.040，第二二氧化硅粒子与基础粒子的质量比 为0.005〜0.030，通过超声波振动法从调色剂得到的二氧化硅粒子的释放率为5质量％〜20质量％，二氧化硅粒子中的初级粒径为30nm以下的粒子的量分解 从调色剂通过超声波振动法是20％以下。

公开(公告)号：US20090142094A1

公开(公告)日：2009-06-04

申请号：US12271406

申请日：2008-11-14

申请人： Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Takuya Seshita ,  Satoshi Kojima ,  Junichi Awamura

发明人： Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Takuya Seshita ,  Satoshi Kojima ,  Junichi Awamura

IPC分类号： G03G21/18 ,  G03G9/08 ,  G03G15/16

CPC分类号： G03G9/0806 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797 ,  G03G15/162

摘要： A toner including a binder resin and a colorant which produces a torque of from 1.4 to 2.0 mNm, when a cone rotor having a vertical angle of 60° and grooves on a surface thereof intrudes into a bulk of the toner at an intrusion speed of 5 mm/min for a depth of 20 mm while rotating at a rotation speed of 1 rpm. The bulk of the toner is formed by consolidating 30 g of the toner in a cylindrical container having an internal diameter of 60 mm for 60 seconds with a consolidation load of 585 g.

摘要翻译： 当具有垂直角为60°的锥形转子和表面上的凹槽以5的入侵速度侵入到调色剂的主体中时，包括粘合剂树脂和着色剂的调色剂产生1.4至2.0mNm的扭矩 mm / min，深度为20mm，同时以1rpm的转速旋转。 大部分调色剂通过将30g调色剂在内径为60mm的圆柱形容器中固结60秒而固结载荷为585g而形成。

公开(公告)号：US20110200928A1

公开(公告)日：2011-08-18

申请号：US13021236

申请日：2011-02-04

申请人： Masaki WATANABE ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo ,  Takahiro Honda ,  Ryuta Chiba

发明人： Masaki WATANABE ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo ,  Takahiro Honda ,  Ryuta Chiba

IPC分类号： G03G9/08 ,  G03G13/20 ,  G03G21/18

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904

摘要： A method for producing a toner, including: dispersing toner particles containing at least a binder resin in a first aqueous medium so as to produce an aqueous dispersion; and subjecting the aqueous dispersion to heat treatment, wherein the electric conductivity of the aqueous dispersion after the heat treatment is higher than the electric conductivity of the aqueous dispersion before the heat treatment by 50 μS/cm or less.

摘要翻译： 一种调色剂的制造方法，包括：将含有至少一种粘合剂树脂的调色剂颗粒分散在第一水性介质中以产生水分散体; 对水分散体进行热处理，其中热处理后的水分散体的电导率高于热处理前的水分散体的电导率为50μS/ cm以下。

公开(公告)号：US07455942B2

公开(公告)日：2008-11-25

申请号：US11227566

申请日：2005-09-16

申请人： Tsuneyasu Nagatomo ,  Akihiro Kotsugai ,  Hiroshi Yamashita ,  Masayuki Ishii ,  Hiroto Higuchi ,  Osamu Uchinokura ,  Satoshi Mochizuki ,  Fumihiro Sasaki ,  Hisashi Nakajima ,  Hideki Sugiura ,  Yasuo Asahina ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoyuki Ichikawa ,  Takuya Saito ,  Sonoh Matsuoka

发明人： Tsuneyasu Nagatomo ,  Akihiro Kotsugai ,  Hiroshi Yamashita ,  Masayuki Ishii ,  Hiroto Higuchi ,  Osamu Uchinokura ,  Satoshi Mochizuki ,  Fumihiro Sasaki ,  Hisashi Nakajima ,  Hideki Sugiura ,  Yasuo Asahina ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoyuki Ichikawa ,  Takuya Saito ,  Sonoh Matsuoka

IPC分类号： G03G9/08

CPC分类号： G03G9/097

摘要： It is an object of the present invention to provide a toner that can sustain favorable transferability and cleaning ability for prolonged periods; prevent photoconductor filming; exhibit no variation in image nonuniformity or external additive immersion induced by developer agitation at the time of use; excels in stability with flowability and charge stability over prolonged periods. Therefore, provided is the toner of which the quantity of aggregate of residual external additives found on the sieve of 635-mesh and 452 cm2 of mesh area, after 0.2 g of the toner on the sieve is blasted with air at a blow pressure of 0.2 MPa from 160 mm above the sieve while being air-suctioned at a suction force of 5 mmHg, and then air-suctioned at a suction force of 20 mmHg, is 4,500 or less and 5 or more.

摘要翻译： 本发明的一个目的是提供一种能够延长期间的转印性和清洁能力的调色剂。 防止感光膜成膜; 在使用时不显示由显影剂搅拌引起的图像不均匀性或外部添加剂浸渍的变化; 在长时间内具有流动性和电荷稳定性的稳定性。 因此，提供了在筛上的0.2g调色剂之后，在筛网上存在635目筛和452cm 2网眼面积的残余外部添加剂骨料数量的调色剂 在空气中以160mm的筛子空气吹压压力为0.2MPa，同时以5mmHg的抽吸力空气抽吸，然后以20mmHg的抽吸力空气抽吸为4,500以下且5以上。

公开(公告)号：US20060063081A1

公开(公告)日：2006-03-23

申请号：US11227566

申请日：2005-09-16

申请人： Tsuneyasu Nagatomo ,  Akihiro Kotsugai ,  Hiroshi Yamashita ,  Masayuki Ishii ,  Hiroto Higuchi ,  Osamu Uchinokura ,  Satoshi Mochizuki ,  Fumihiro Sasaki ,  Hisashi Nakajima ,  Hideki Sugiura ,  Yasuo Asahina ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoyuki Ichikawa ,  Takuya Saito ,  Sonoh Matsuoka

发明人： Tsuneyasu Nagatomo ,  Akihiro Kotsugai ,  Hiroshi Yamashita ,  Masayuki Ishii ,  Hiroto Higuchi ,  Osamu Uchinokura ,  Satoshi Mochizuki ,  Fumihiro Sasaki ,  Hisashi Nakajima ,  Hideki Sugiura ,  Yasuo Asahina ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoyuki Ichikawa ,  Takuya Saito ,  Sonoh Matsuoka

IPC分类号： G03G9/08

CPC分类号： G03G9/097

摘要： It is an object of the present invention to provide a toner that can sustain favorable transferability and cleaning ability for prolonged periods; prevent photoconductor filming; exhibit no variation in image nonuniformity or external additive immersion induced by developer agitation at the time of use; excels in stability with flowability and charge stability over prolonged periods. Therefore, provided is the toner of which the quantity of aggregate of residual external additives found on the sieve of 635-mesh and 452 cm2 of mesh area, after 0.2 g of the toner on the sieve is blasted with air at a blow pressure of 0.2 MPa from 160 mm above the sieve while being air-suctioned at a suction force of 5 mmHg, and then air-suctioned at a suction force of 20 mmHg, is 4,500 or less and 5 or more.

摘要翻译： 本发明的一个目的是提供一种能够延长期间的转印性和清洁能力的调色剂。 防止感光膜成膜; 在使用时不显示由显影剂搅拌引起的图像不均匀性或外部添加剂浸渍的变化; 在长时间内具有流动性和电荷稳定性的稳定性。 因此，提供了在筛上的0.2g调色剂之后，在筛网上存在635目筛和452cm 2网眼面积的残余外部添加剂骨料数量的调色剂 在空气中以160mm的筛子空气吹压压力为0.2MPa，同时以5mmHg的抽吸力空气抽吸，然后以20mmHg的抽吸力空气抽吸为4,500以下且5以上。

公开(公告)号：US20070218383A1

公开(公告)日：2007-09-20

申请号：US11687404

申请日：2007-03-16

申请人： Takuya Seshita ,  Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Satoshi Kojima

发明人： Takuya Seshita ,  Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Satoshi Kojima

IPC分类号： G03G9/087

CPC分类号： G03G9/0819 ,  G03G9/0806 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/09 ,  G03G9/0926

摘要： An image forming apparatus including an image bearer; a charging device charging the image bearer; a light irradiating device irradiating the charged image bearer with light to form an electrostatic image; a developing device developing the electrostatic image with a developer including a toner to form a toner image on the image bearer; a transfer device transferring the toner image; and a cleaning device cleaning the image bearer, wherein the volume average particle diameter of the toner is greater than 5.0 μm and less than 5.5 μm, the content of toner particles having a particle diameter of not greater than 4.0 μm is not higher than 20% by number, the ratio of the first shape factor SF-1 to the second shape factor SF-2 is from 1.00 to 1.15, and the content of toner particles having a SF-2 of not less than 115 is not less than 67.8% by number.

摘要翻译： 一种包括图像载体的图像形成装置; 对图像承载进行充电的充电装置; 光照射装置用光照射带电图像载体以形成静电图像; 显影装置用包含调色剂的显影剂显影静电图像以在图像承载体上形成调色剂图像; 传送调色剂图像的转印装置; 以及清洁图像载体的清洁装置，其中调色剂的体积平均粒径大于5.0μm且小于5.5μm，粒径不大于4.0μm的调色剂颗粒的含量不高于20％ 第一形状因子SF-1与第二形状因子SF-2的比例为1.00〜1.15，SF-2为115以上的调色剂颗粒的含量为67.8％以上，不小于67.8％ 数。