公开(公告)号：US20130260299A1

公开(公告)日：2013-10-03

申请号：US13799862

申请日：2013-03-13

申请人： Hisashi NAKAJIMA ,  Masashi Nagayama ,  Saori Yamada ,  Mariko Takii

发明人： Hisashi NAKAJIMA ,  Masashi Nagayama ,  Saori Yamada ,  Mariko Takii

IPC分类号： G03G9/00 ,  G03G15/20 ,  G03G15/08

CPC分类号： G03G15/2064 ,  G03G9/08726 ,  G03G9/08733 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： An image forming method including steps of forming a latent electrostatic image on an image bearing member, developing the latent electrostatic image with a development agent containing toner to obtain a toner image; transferring the toner image onto a transfer medium; fixing the toner image thereon; wherein the fixing is executed by a fixing device containing a heating roller; a fixing roller; a toner heating medium and the fixing roller; and a pressure roller wherein the toner contains a toner binder containing a crystalline resin containing a polyester resin A; a non-crystalline resin containing a non-crystalline resin B and a non-crystalline resin C, and a complex resin, wherein the toner has a main peak in a range of from 1,000 to 10,000 in the molecule weight distribution as measured for a component soluble in tetrahydrofuran by gel permeation chromatography with a half value width of 15,000 or less.

摘要翻译： 一种图像形成方法，包括在图像承载部件上形成静电潜像的步骤，用含有调色剂的显影剂显影静电潜像以获得调色剂图像; 将调色剂图像转印到转印介质上; 在其上固定调色剂图像; 其中所述定影由包含加热辊的定影装置执行; 定影辊; 调色剂加热介质和定影辊; 和压辊，其中调色剂含有含有含有聚酯树脂A的结晶树脂的调色剂粘合剂; 含有非结晶性树脂B和非结晶性树脂C的非结晶性树脂和复合树脂，其中，调色剂在分子量分布中的主峰为1000〜10,000， 通过半值宽度为15,000以下的凝胶渗透色谱法溶于四氢呋喃。

公开(公告)号：US20130244162A1

公开(公告)日：2013-09-19

申请号：US13827972

申请日：2013-03-14

申请人： Saori Yamada ,  Hisashi Nakajima ,  Masashi Nagayama ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

发明人： Saori Yamada ,  Hisashi Nakajima ,  Masashi Nagayama ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08782 ,  G03G9/08784 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09791

摘要： A toner, including: a binder resin; and a colorant, wherein the binder resin contains: a crystalline polyester resin (A); a non-crystalline resin (B); and a composite resin (C), where the composite resin (C) contains a condensation polymerization resin unit and an addition polymerization resin unit, wherein the toner contains chloroform insoluble matter in an amount of 1% by mass to 30% by mass, wherein the toner has a molecular weight distribution having a main peak in a range of 1,000 to 10,000 and a half width of 15,000 or less, where the molecular weight distribution is obtained through gel permeation chromatography (GPC) of tetrahydrofuran soluble matter of the toner, and wherein the toner has an endothermic peak in a range of 90° C. to 130° C. in measurement through differential scanning calorimetry (DSC).

摘要翻译： 一种调色剂，包括：粘合剂树脂; 和着色剂，其中所述粘合剂树脂包含：结晶聚酯树脂（A）; 非结晶性树脂（B）; 和复合树脂（C），其中复合树脂（C）含有缩聚树脂单元和加成聚合树脂单元，其中调色剂含有1质量％至30质量％的氯仿不溶物质，其中 调色剂的分子量分布具有在1000至10,000的主峰和半数宽度为15,000或更小的分子量分布，其中分子量分布通过调色剂的四氢呋喃可溶物质的凝胶渗透色谱（GPC）获得，以及 其中调色剂在通过差示扫描量热法（DSC）的测量中具有在90℃至130℃范围内的吸热峰。

公开(公告)号：US20110171573A1

公开(公告)日：2011-07-14

申请号：US12978920

申请日：2010-12-27

申请人： Koichi SAKATA ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Yutaka Takahashi ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

发明人： Koichi SAKATA ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Yutaka Takahashi ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

IPC分类号： G03G21/16 ,  G03G9/113 ,  G03G13/20 ,  G03G15/09

CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/1136 ,  G03G13/06 ,  G03G13/08

摘要： A carrier for use in a two component developer for developing an electrostatic latent image is provided. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a silicone resin and barium sulfate. The cover layer includes Ba and Si at an atomic ratio of from 0.01 to 0.08 as determined by X-ray photoelectron spectroscopy.

摘要翻译： 提供了用于显影静电潜像的双组分显影剂中的载体。 载体包括颗粒芯材料; 以及覆盖层，其位于所述芯材的表面上，并且包括硅树脂和硫酸钡。 覆盖层包括通过X射线光电子能谱测定的原子比为0.01至0.08的Ba和Si。

公开(公告)号：US20110091802A1

公开(公告)日：2011-04-21

申请号：US12897326

申请日：2010-10-04

申请人： Yutaka TAKAHASHI ,  Minoru Masuda ,  Kimitoshi Yamaguchi ,  Hisashi Nakajima ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano ,  Mariko Takii

发明人： Yutaka TAKAHASHI ,  Minoru Masuda ,  Kimitoshi Yamaguchi ,  Hisashi Nakajima ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano ,  Mariko Takii

IPC分类号： G03G9/10 ,  G03G13/20 ,  G03G21/18

CPC分类号： G03G15/08 ,  G03G9/1075 ,  G03G9/1133 ,  G03G9/1137 ,  G03G9/1139 ,  G03G2215/0602 ,  G03G2215/0607

摘要： The carrier is used for a two-component developer for developing an electrostatic latent image, and includes a particulate magnetic core material; and a cover layer located on a surface of the core material and including a crosslinked material and barium sulfate. The cover layer is formed by applying a coating medium including barium sulfate, a copolymer including a unit (A) having a specific acrylic siloxane structure including a tris(trialkylsiloxy)silanyl group and a unit (B) having a specific acrylic silicone structure having a crosslinking ability, and a condensation reaction catalyst, heating the applied medium to a temperature of from 100° C. to 230° C. so that the copolymer is hydrolyzed to produce a material having a silanol group, and the material and the catalyst are subjected to a condensation reaction to form the crosslinked material.

摘要翻译： 载体用于显影静电潜像的双组分显影剂，并且包括颗粒状磁芯材料; 以及位于所述芯材的表面上并且包含交联材料和硫酸钡的覆盖层。 覆盖层通过涂布包括硫酸钡的涂层介质，包括具有包含三（三烷基甲硅烷氧基）硅烷基的特定丙烯酸硅氧烷结构的单元（A）和具有特定的丙烯酸硅氧烷结构的单元（B））的共聚物形成，所述单元（B）具有 交联能力和缩合反应催化剂，将所施加的介质加热至100℃至230℃的温度，使得共聚物水解以产生具有硅烷醇基团的材料，并且对材料和催化剂进行 进行缩合反应以形成交联材料。

公开(公告)号：US08652738B2

公开(公告)日：2014-02-18

申请号：US13181702

申请日：2011-07-13

申请人： Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Mariko Takii ,  Toyoshi Sawada ,  Toyoaki Tano ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hiroyuki Kishida ,  Saori Yamada

发明人： Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Mariko Takii ,  Toyoshi Sawada ,  Toyoaki Tano ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hiroyuki Kishida ,  Saori Yamada

IPC分类号： G03G13/08 ,  G03G9/00

CPC分类号： G03G9/1139 ,  G03G9/107 ,  G03G9/1136 ,  G03G2215/0609

摘要： A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit.

摘要翻译： 一种接触显影方法，包括通过旋转显影套筒和旋转图像承载部件上的静电潜像向设置在显影套筒内部的具有多个磁极的可旋转磁体提供双组分显影剂，以将静电潜像显影成调色剂 图片。 显影套筒和图像承载部件在相互面对的同时旋转。 双组分显影剂包括非磁性调色剂和载体。 载体包括磁芯颗粒和覆盖磁芯颗粒的树脂层。 树脂层包括导电颗粒和树脂。 导电粒子包括氧化铝基材料和覆盖氧化铝基材料的导电层。 树脂通过加热包含单体A单元和单体B单元的共聚物而获得。

公开(公告)号：US08168363B2

公开(公告)日：2012-05-01

申请号：US12351129

申请日：2009-01-09

申请人： Yasuo Imura ,  Hiroshi Onda ,  Yoritaka Tsubaki ,  Saori Yamada

发明人： Yasuo Imura ,  Hiroshi Onda ,  Yoritaka Tsubaki ,  Saori Yamada

IPC分类号： G03G5/00

CPC分类号： G03G9/0827 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/08782

摘要： A toner is so configured as to satisfy the following conditions: (b)/(a) is from 0.90 to 1.02, (a) is from 140 to 150 and the average value in the entire toner particles of a shape factor SF-2 of the toner particles is larger than 140, where (a) represents a shape factor SF-2 showing the degree of irregularity on the surface of toner particles having a particle size D75V or less which is a particle size at which a cumulative volume from a large particle size side in particle size distribution by volume is 75%, and (b) represents a shape factor SF-2 of toner particles having a particle size D25V or more which is a particle size at which a cumulative volume from a large particle size side in particle size distribution by volume is 25%.

摘要翻译： 调色剂被配置为满足以下条件：（b）/（a）为0.90至1.02，（a）为140至150，并且整个调色剂颗粒中的形状因子SF-2的平均值为 调色剂颗粒大于140，其中（a）表示形状因子SF-2，表示颗粒尺寸D75V以下的调色剂颗粒的表面的不规则度，其为从大的累积体积的粒径 粒径分布体积的粒径侧为75％，（b）表示粒径D25V以上的调色剂粒子的形状因子SF-2，粒径为粒径大的粒子的累积体积的粒径 粒径分布为25％。

公开(公告)号：US20240316627A1

公开(公告)日：2024-09-26

申请号：US18603497

申请日：2024-03-13

申请人： Junjiroh Sogame ,  Shimpei Miyata ,  Saori Yamada ,  Kohsuke Miyazaki ,  Shinichiroh Satoh

发明人： Junjiroh Sogame ,  Shimpei Miyata ,  Saori Yamada ,  Kohsuke Miyazaki ,  Shinichiroh Satoh

IPC分类号： B22F1/05 ,  B22F1/052 ,  B22F1/065 ,  B22F10/14 ,  B22F10/64 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00

CPC分类号： B22F1/05 ,  B22F1/052 ,  B22F1/065 ,  B22F10/14 ,  B22F10/64 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00 ,  B22F2301/052 ,  B22F2304/10 ,  B22F2998/10

摘要： A powder for forming 3D objects includes a group of particles having an identical composition. The group of the particles includes 50% by mass or greater of aluminum. An oxygen content of the group of the particles is 950 ppm or less. A volume-based particle size frequency distribution of the powder for forming 3D objects has a peak top in a particle diameter range of 40 μm or greater and 70 μm or less, and a peak top in a particle diameter range of 10 μm or greater and 30 μm or less. A ratio (a frequency (%) of the peak top in the particle diameter range of 40 μm or greater and 70 μm or less)/(a frequency (%) of the peak top in the particle diameter range of 10 μm or greater and 30 μm or less) is 1.5 or greater.

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。