公开(公告)号：US20110177451A1

公开(公告)日：2011-07-21

申请号：US13009297

申请日：2011-01-19

申请人： Yoritaka TSUBAKI ,  Yoshitaka Kawase ,  Keiichi Kikawa ,  Yoshinori Mutoh ,  Takashi Hara ,  Yoshiaki Akazawa

发明人： Yoritaka TSUBAKI ,  Yoshitaka Kawase ,  Keiichi Kikawa ,  Yoshinori Mutoh ,  Takashi Hara ,  Yoshiaki Akazawa

IPC分类号： G03G9/093

CPC分类号： G03G9/09392 ,  G03G9/09314

摘要： A method for manufacturing a capsule toner, capable of obtaining a capsule toner including a coating layer having uniform thickness at high yield is provided. The method for manufacturing a capsule toner includes a fine resin particle adhering step of adhering fine resin particles to surfaces of toner base particles, a spraying step of spraying a spray liquid for plasticizing the toner base particles and the fine resin particles, while fluidizing the toner base particles and the fine resin particles, and a film-forming step of fluidizing the toner base particles and the fine resin particles until the fine resin particles adhered to the surfaces of the toner base particles are softened to form a film. In the spraying step, ultrasonic vibration is applied to set a number average liquid-droplet diameter of the spray liquid to less than 10 μm.

摘要翻译： 提供了一种制造胶囊调色剂的方法，其能够以高产率获得包含具有均匀厚度的涂层的胶囊调色剂。 制造胶囊调色剂的方法包括：将树脂颗粒粘附到调色剂基础颗粒的表面上的粘附步骤，在调色剂基础颗粒的流化化过程中喷洒用于塑化调色剂基础颗粒和细小树脂颗粒的喷雾液的喷涂步骤 基础颗粒和细树脂颗粒，以及使调色剂基础颗粒和细颗粒树脂颗粒流化直到粘附到调色剂基础颗粒的表面的细小树脂颗粒被软化以形成膜的成膜步骤。 在喷涂步骤中，施加超声波振动以使喷射液体的数量平均液滴直径小于10μm。

公开(公告)号：US07935468B2

公开(公告)日：2011-05-03

申请号：US11812364

申请日：2007-06-18

申请人： Yoshinori Yamamoto ,  Satoshi Ogawa ,  Masao Suzuki ,  Yoshiaki Akazawa

发明人： Yoshinori Yamamoto ,  Satoshi Ogawa ,  Masao Suzuki ,  Yoshiaki Akazawa

IPC分类号： G03G9/08

CPC分类号： G03G9/0819 ,  G03G9/09733 ,  G03G9/0975 ,  G03G9/09783

摘要： There is provided a toner which is excellent in temporal stability and environmental stability of charges and which is capable of forming images that contains almost no background fog and has high density even in a long-term use and in use at a high-temperature and high-humid circumstance, and furthermore the toner which is not scattered inside an image forming apparatus and thus causes no contamination inside the apparatus, and there is further provided a method of manufacturing the above toner. An organic boron compound is contained as a charge control agent, a surface CCA concentration per specific surface area of toner falls in a range from 2.1×10−6 g/cm2 to 5.5×10−6 g/cm2, and a surface CCA concentration is 1.8×10−3 g/g or more.

摘要翻译： 提供了一种调色剂，其电荷的时间稳定性和环境稳定性优异，并且能够形成几乎不含背景雾的图像，并且即使在长期使用中并且在高温高度下使用也具有高密度 并且此外，不会在图像形成装置内散射的调色剂，因此不会在设备内部产生污染，并且还提供了制造上述调色剂的方法。 作为电荷控制剂含有有机硼化合物，调色剂比表面积的表面CCA浓度在2.1×10 -6 g / cm 2〜5.5×10 -6 g / cm 2的范围内，表面CCA浓度 为1.8×10 -3 g / g以上。

公开(公告)号：US20110070541A1

公开(公告)日：2011-03-24

申请号：US12881412

申请日：2010-09-14

申请人： Yoritaka Tsubaki ,  Yoshitaka Kawase ,  Keiichi Kikawa ,  Yoshinori Mutoh ,  Takashi Hara ,  Yoshiaki Akazawa

发明人： Yoritaka Tsubaki ,  Yoshitaka Kawase ,  Keiichi Kikawa ,  Yoshinori Mutoh ,  Takashi Hara ,  Yoshiaki Akazawa

IPC分类号： G03G9/093 ,  G03G9/08

CPC分类号： G03G9/09385 ,  G03G9/09314 ,  G03G9/09378 ,  G03G9/09392

摘要： A capsule toner achieving both low temperature fixability and hot offset resistance, and a method of manufacturing the capsule toner are provided. A capsule toner includes a toner base particle containing a binder resin and a colorant, and a resin coating layer formed on a surface of the toner base particle. The resin coating layer includes a film of plural fine resin particles having different complex viscosities. The plural fine resin particles include first fine resin particles having complex viscosity at a softening temperature of the toner base particles of 5.0×102 Pa·s or more and 1.0×103 Pa·s or less, and second fine resin particles having complex viscosity at a softening temperature of the toner base particles of 1.0×104 Pa·s or more and 1.0×105 Pa·s or less.

摘要翻译： 提供了实现低温定影性和耐热偏移性的胶囊调色剂，以及制造胶囊调色剂的方法。 胶囊调色剂包括含有粘合剂树脂和着色剂的调色剂基础颗粒和形成在调色剂基础颗粒的表面上的树脂涂层。 树脂涂层包括具有不同复合粘度的多种细小树脂颗粒的膜。 多个细小树脂颗粒包括在调色剂基础颗粒的软化温度下的复数粘度为5.0×10 2 Pa·s以上且1.0×10 3 Pa·s以下的第1微细树脂粒子， 调色剂基础颗粒的软化温度为1.0×10 4 Pa·s以上且1.0×10 5 Pa·s以下。

公开(公告)号：US20100248124A1

公开(公告)日：2010-09-30

申请号：US12731396

申请日：2010-03-25

申请人： Yoshiaki Akazawa ,  Yoshitaka Kawase ,  Yoritaka Tsubaki ,  Yoshinori Mutoh ,  Keiichi Kikawa ,  Takashi Hara

发明人： Yoshiaki Akazawa ,  Yoshitaka Kawase ,  Yoritaka Tsubaki ,  Yoshinori Mutoh ,  Keiichi Kikawa ,  Takashi Hara

IPC分类号： G03G9/00 ,  G03G15/08 ,  G03G9/08 ,  G03G9/093

CPC分类号： G03G9/0808 ,  G03G9/0815 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725

摘要： A toner manufacturing method, a toner obtained by the method, a one-component developer, a two-component developer, a developing device and an image forming apparatus are provided. By using a toner manufacturing apparatus including a powder passage, a spraying section for spraying a predetermined substance in the powder passage and a rotary stirring section, provided in the powder passage, and stirring particles in the powder passage to apply impact force to the particles so that the particles are fluidized in the powder passage, performed are a stirring step S3 of fluidizing toner core particles with fine inorganic particles adhering to the surfaces thereof and fine resin particles in the powder passage as the powder by the rotary stirring section, and a spraying step S5 of spraying a volatile liquid which softens fine resin particles as a predetermined substance by the spraying section.

摘要翻译： 提供调色剂制造方法，通过该方法获得的调色剂，单组分显影剂，双组分显影剂，显影装置和图像形成装置。 通过使用包括粉末通道的粉末制造装置，用于喷射粉末通道中的预定物质的喷射部分和设置在粉末通道中的旋转搅拌部分，并且搅拌粉末通道中的颗粒以向颗粒施加冲击力 颗粒在粉末通道中流动，是通过旋转搅拌部分将粉末通道中附着有微细无机颗粒的调色剂芯颗粒和作为粉末的粉末通道中的细小树脂颗粒流化的搅拌步骤S3和喷雾 喷洒通过喷涂部软化作为规定物质的树脂微粒的挥发性液体的步骤S5。

公开(公告)号：US20100080629A1

公开(公告)日：2010-04-01

申请号：US12569458

申请日：2009-09-29

申请人： Takashi HARA ,  Yoshitaka Kawase ,  Yoshiaki Akazawa

发明人： Takashi HARA ,  Yoshitaka Kawase ,  Yoshiaki Akazawa

IPC分类号： G03G15/08 ,  G03G9/08 ,  G03G9/093

CPC分类号： G03G9/0808 ,  G03G9/0815 ,  G03G9/0825 ,  G03G9/097

摘要： A method for manufacturing a toner is provided. In a fine resin particle adhering step S1b, fine resin particles adhere to toner base particle surfaces in a powder passage. In a spraying step S3c, flowing toner base particles and fine resin particles are sprayed with a substance in liquid form for plasticizing those particles. In a film-forming step S3d, toner base particles and fine resin particles are circulated repeatedly in the powder passage until fine resin particles adherent to toner base particles are shaped into a film. In the spraying step S3c, the substance in liquid form is sprayed in such a manner that the LEL concentration coefficient within the powder passage falls in a range of from 0.07 to 8.12.

摘要翻译： 提供了一种制造调色剂的方法。 在树脂微粒粘附步骤S1b中，细粉末通道中附着有调色剂母粒表面的细小树脂颗粒。 在喷涂步骤S3c中，流动调色剂基础颗粒和细小树脂颗粒用液体形式物质喷射以使这些颗粒增塑。 在成膜步骤S3d中，调色剂基础颗粒和细颗粒树脂颗粒在粉末通道中重复循环，直到粘附到调色剂基础颗粒的细小树脂颗粒成形为薄膜。 在喷涂工序S3c中，将粉体中的LEL浓度系数设为0.07〜8.12的范围内，喷射液状物质。

公开(公告)号：US20090297225A1

公开(公告)日：2009-12-03

申请号：US12474678

申请日：2009-05-29

申请人： Saori Yamada ,  Yoshitaka Kawase ,  Yoshiaki Akazawa

发明人： Saori Yamada ,  Yoshitaka Kawase ,  Yoshiaki Akazawa

IPC分类号： G03G15/08 ,  G03G9/093

CPC分类号： G03G9/0827 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/09321 ,  G03G9/09328 ,  G03G9/09725

摘要： A toner whose flowability, chargeability and fixing property are enhanced, a developer, a developing device and an image forming apparatus are provided. The toner comprises a toner particle in which a shell layer is formed on a surface of a core particle, and external additive, where (1) the shell layer is formed in a film on the surface of the core particle, (2) a shape factor SF-2 is 120 or more and 140 or less, and (3) a BET specific surface area measured by the BET method is 1.2 m2/cm3 or more and 4.0 m2/cm3 or less. The developer containing such a toner is filled into the developing device in the image forming apparatus in order to form an image.

摘要翻译： 提供了流动性，带电性和定影性提高的调色剂，显影剂，显影装置和图像形成装置。 调色剂包括其中在芯颗粒的表面上形成壳层的调色剂颗粒和外部添加剂，其中（1）壳层在芯颗粒的表面上形成膜，（2）形状 因子SF-2为120以上且140以下，（3）通过BET法测定的BET比表面积为1.2m 2 / cm 3以上且4.0m 2 / cm 3以下。 含有这种调色剂的显影剂被填充到图像形成装置中的显影装置中以形成图像。

公开(公告)号：US20090297224A1

公开(公告)日：2009-12-03

申请号：US12474672

申请日：2009-05-29

申请人： Yoshitaka Kawase ,  Saori Yamada ,  Yoshiaki Akazawa ,  Yoritaka Tsubaki ,  Yoshinori Mutoh ,  Keiichi Kikawa ,  Takashi Hara

发明人： Yoshitaka Kawase ,  Saori Yamada ,  Yoshiaki Akazawa ,  Yoritaka Tsubaki ,  Yoshinori Mutoh ,  Keiichi Kikawa ,  Takashi Hara

IPC分类号： G03G15/08 ,  G03G9/093

CPC分类号： G03G9/09392 ,  G03G9/0804 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0827 ,  G03G2215/0614

摘要： A method for manufacturing a toner is provided. The method for manufacturing a toner uses a rotary stirring apparatus that includes a circulating section for repeatedly performing circulation in a powder passage having a rotary stirring chamber and a circulation tube to return to the rotary stirring chamber by a rotary stirring section having a rotary disc around which rotary blades are installed and a rotary shaft, and a temperature adjusting section provided at least on a part of the powder passage for adjusting temperatures in the powder passage and of the rotary stirring section to a predetermined temperature, and includes a temperature adjusting step; a fine resin particle adhering step; a spraying step; and a film-forming step. The temperature in the powder passage is adjusted to the predetermined temperature by the temperature adjusting section at the fine resin particle adhering step, the spraying step, and the film-forming step.

摘要翻译： 提供了一种制造调色剂的方法。 调色剂的制造方法使用旋转搅拌装置，该旋转搅拌装置具有循环部，该循环部在具有旋转搅拌室和循环管的粉末通路中反复进行循环，通过具有旋转圆盘的旋转搅拌部返回到旋转搅拌室 安装有旋转叶片和旋转轴，以及温度调节部，设置在粉末通道的至少一部分上，用于将粉末通道和旋转搅拌部中的温度调节到预定温度，并且包括温度调节步骤; 树脂微粒粘附工序; 喷涂步骤; 和成膜步骤。 粉末通道中的温度通过温度调节部分在树脂微粒粘附步骤，喷涂步骤和成膜步骤中调节到预定温度。

公开(公告)号：US20090004590A1

公开(公告)日：2009-01-01

申请号：US12163054

申请日：2008-06-27

申请人： Yoshinori Yamamoto ,  Hiroshi Onda ,  Saori Yamada ,  Yoshiaki Akazawa

发明人： Yoshinori Yamamoto ,  Hiroshi Onda ,  Saori Yamada ,  Yoshiaki Akazawa

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09

CPC分类号： G03G9/0819 ,  G03G9/081 ,  G03G9/0827 ,  G03G9/08711

摘要： in a toner at least containing a binder resin and a colorant, a value obtained by dividing a particle size D50p by a particle size D84p is 1.43 or more and 1.64 or less, wherein D50p and D84p respectively represent particle sizes at 50% and 84% of cumulative number counted from a large-size side in a cumulative number distribution. Further, in the toner, an average degree of circularity of toner particles having a volume average particle size of 1 μm or more and 4 μm or less is 0.940 or more and 0.960 or less. Further, in the toner, a content of toner particles having an average degree of circularity of 0.850 or less is 10% by number or less among the toner particles having a volume average particle size of 1 μm or more and 4 μm or less.

摘要翻译： 在至少含有粘合剂树脂和着色剂的调色剂中，通过将粒径D50p除以粒径D84p获得的值为1.43以上且1.64以下，其中D50p和D84p分别表示50％和84％的粒径， 在累积数量分布中从大尺寸侧计数的累积数。 此外，在调色剂中，体积平均粒径为1μm以上且4μm以下的调色剂颗粒的平均度为0.940以上且0.960以下。 此外，在调色剂中，平均粒径为0.850以下的调色剂颗粒的含量在体积平均粒径为1μm以上且4μm以下的调色剂颗粒中为10个数％以下。

公开(公告)号：US20050196695A1

公开(公告)日：2005-09-08

申请号：US11069591

申请日：2005-03-02

申请人： Masahiko Kubo ,  Satoshi Ogawa ,  Yoshiaki Akazawa ,  Hiromi Nakatsu ,  Akio Matsumoto ,  Masao Suzuki

发明人： Masahiko Kubo ,  Satoshi Ogawa ,  Yoshiaki Akazawa ,  Hiromi Nakatsu ,  Akio Matsumoto ,  Masao Suzuki

IPC分类号： G03G9/08

CPC分类号： G03G9/09725 ,  G03G9/09708

摘要： A toner is provided with which the image formed by the use of an image-forming apparatus for electrophotography may keep a good and uniform image density for a long period of time from the initial stage of image formation. The toner contains a toner base particle containing at least a colorant and a binder resin, silica having an average particle size of 40 nm or larger and 200 nm or smaller, and an aluminum oxide-silicon dioxide mixed oxide having an average particle size of 5 nm or larger and 25 nm or smaller. The silica and the aluminum oxide-silicon dioxide mixed oxide are externally added to the toner base particle.

摘要翻译： 提供了一种调色剂，通过使用用于电子照相的图像形成装置形成的图像可以从图像形成的初始阶段保持长时间的良好且均匀的图像浓度。 调色剂含有至少含有着色剂和粘合剂树脂的调色剂基础颗粒，平均粒径为40nm以上且200nm以下的二氧化硅和平均粒径为5μm的氧化铝 - 二氧化硅混合氧化物 nm以上且25nm以下。 将二氧化硅和氧化铝 - 二氧化硅混合氧化物外部添加到调色剂基础颗粒中。

公开(公告)号：US06214511B1

公开(公告)日：2001-04-10

申请号：US09574428

申请日：2000-05-19

申请人： Yoshiaki Akazawa ,  Yuichiro Takesue ,  Takeshi Kato ,  Yasuharu Morinishi ,  Junichi Saito

发明人： Yoshiaki Akazawa ,  Yuichiro Takesue ,  Takeshi Kato ,  Yasuharu Morinishi ,  Junichi Saito

IPC分类号： G03G908

CPC分类号： G03G9/09392 ,  G03G9/09385 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725

摘要： A toner, wherein at least a part of inorganic fine particles is fixed on the surface of core particles made of a binder resin containing a colorant, by applying heat in a hot air flow, is designed so as to satisfy the following expression: 2.0×[6/(&rgr;D)]≧S≧1.1×[6/(&rgr;D)]  (1) where S: toner BET specific surface area, &rgr;: toner specific gravity, and D: toner volume average particle size. Thus, it becomes possible to manufacture a toner that is superior in various properties in a stable manner.

摘要翻译： 一种调色剂，其中至少一部分无机细颗粒通过在热空气流中加热而固定在由含有着色剂的粘合剂树脂制成的芯颗粒的表面上，以满足以下表达式：其中S ：调色剂BET比表面积，rho：调色剂比重，和D：调色剂体积平均粒径。 因此，可以以稳定的方式制造各种性能优异的调色剂。