公开(公告)号：US20030022085A1

公开(公告)日：2003-01-30

申请号：US10131501

申请日：2002-04-25

发明人： Kazuyuki Hayashi ,  Keisuke Iwasaki ,  Hiroko Morii

IPC分类号： G03G009/09

CPC分类号： G03G9/09708 ,  G03G9/08773 ,  G03G9/09 ,  G03G9/097 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09783

摘要： A color toner comprises: a binder resin, and a colorant having an average particle diameter of 0.005 to 0.30 nullm, comprising: extender pigments, a gluing agent-coating layer formed on surface of the extender pigment, and an organic pigment coat formed onto the gluing agent-coating layer in an amount of 1 to 500 parts by weight based on 100 parts by weight of the extender pigments. The color toner exhibits not only a clear hue, but also excellent fluidity and dispersibility of colorants.

摘要翻译： 彩色调色剂包括：粘合剂树脂和平均粒径为0.005至0.30μm的着色剂，其包含：增量颜料，形成在增量颜料的表面上的胶合剂涂层和形成在该涂料上的有机颜料涂层 胶粘剂涂层的量为1至500重量份，基于100重量份的增量颜料。 彩色调色剂不仅具有清晰的色调，而且具有出色的流动性和着色剂的分散性。

公开(公告)号：US20020160294A1

公开(公告)日：2002-10-31

申请号：US09576548

申请日：2000-05-24

发明人： Hiroyoshi Okuno ,  Akira Matsumoto ,  Tsutomu Kubo ,  Yusaku Shibuya ,  Yutaka Sugizaki ,  Masahiro Okita ,  Naotaka Mukoyama

IPC分类号： G03G013/20

CPC分类号： G03G9/097 ,  G03G9/09708 ,  G03G13/08

摘要： An image-forming process capable of keeping a high transfer efficiency for a long period of time, reducing the amount of the toner to be recovered and wasted and obtaining stabilized images without causing image quality defects such as density lowering, density unevenness, ghosts, fog, etc., wherein inorganic fine particles contained in a toner transfer from the toner to an electrostatic latent image holder surface and attach thereto, the attached amount of the inorganic fine particles to the electrostatic latent image holder surface is from 1 to 20% as the average occupied area ratio (CAV) in the electrostatic latent image holder surface, and the difference (CMAXnullCMIN) of the maximum occupied area ratio and the minimum occupied area ratio of the attached inorganic fine particles in the electrostatic latent image holder surface is not larger than about 5%.

摘要翻译： 能够长期保持高转印效率的图像形成工艺，减少要回收和浪费的调色剂的量并获得稳定的图像，而不会引起诸如密度降低，浓度不均匀，重影，雾的图像​​质量缺陷 等等，其中包含在调色剂中的调色剂中的无机细颗粒从静电潜像保持器表面转移到静电潜像保持器表面并附着在其上，无机细颗粒附着到静电潜像保持器表面的量为1至20％ 静电潜像保持体表面的平均占据面积比（CAV）和静电潜像保持体表面中附着的无机微粒的最大占据面积比和最小占据面积比的差（CMAX-CMIN） 大于约5％。

公开(公告)号：US20020106572A1

公开(公告)日：2002-08-08

申请号：US10003695

申请日：2001-12-06

申请人： SEIKO EPSON CORPORATION

发明人： Hiroshi Toyama

IPC分类号： G03G009/08

CPC分类号： G03G9/097

摘要： A non-magnetic mono-component toner of the present invention comprises, at least, a plurality of mother particles and a plurality of CCA particles adhering to the mother particles. The non-magnetic mono-component toner satisfies anulld

摘要翻译： 本发明的非磁性单组分调色剂至少包含多个母体颗粒和附着在母体颗粒上的多个CCA颗粒。 非磁性单组分调色剂满足axd <2.5，其中“a”是通过近似相对于颗粒的CCA颗粒的粒径的分布而获得的附着到母体颗粒上的CCA颗粒的近似直线的倾斜度 母体颗粒的直径为最小二乘法，“d”（母体）是调色剂的基于体积的平均粒径。 因此，可以有效地降低非磁性单组分调色剂的一个颗粒上的电荷，从而允许较低的显影电压并实现显影滞后的减少。

公开(公告)号：US06389246B1

公开(公告)日：2002-05-14

申请号：US09766658

申请日：2001-01-23

申请人： Masae Nakamura ,  Takashi Yamamoto

发明人： Masae Nakamura ,  Takashi Yamamoto

IPC分类号： G03G1516

CPC分类号： G03G9/097 ,  G03G13/013 ,  G03G2215/0119 ,  G03G2215/017

摘要： Disclosed is a color image forming apparatus in which a color image is formed by accumulating a visible image on an image transfer medium. The color image forming apparatus includes a plurality of forming means for forming the visible image on an image forming medium with a toner; and a plurality of transferring means for transfer the visible image onto the image transfer medium while bringing the visible image into contact with the image transfer medium. With respect to a toner amount which is transferred from each of the image forming medium onto the image transfer medium, difference between a toner deposition amount on the image transfer medium right after transferring the visible image from the image forming medium and a final toner deposition amount on the image transfer medium in the event of transfer of visible images is completed onto the image transfer medium is set such that the difference of the toner deposition amount of the visible image which is transferred by the transferring means disposed on an upstream side is larger than that on a downstream side in a direction where the visible image is successively formed.

摘要翻译： 公开了一种彩色图像形成装置，其中通过在图像转印介质上累积可见图像形成彩色图像。 彩色图像形成装置包括多个形成装置，用于在具有调色剂的图像形成介质上形成可见图像; 以及多个转印装置，用于将可见图像转印到图像转印介质上，同时使可见图像与图像转印介质接触。 对于从每个图像形成介质转印到图像转印介质上的调色剂量，转印来自图像形成介质的可见图像之后的图像转印介质上的调色剂沉积量与最终调色剂沉积量之间的差异 在图像转印介质上传送可见图像的情况下，图像转印介质被设置为使得由设置在上游侧的转印装置转印的可见图像的调色剂沉积量的差异大于 在可见图像连续形成的方向的下游侧。

公开(公告)号：US06381437B1

公开(公告)日：2002-04-30

申请号：US09677111

申请日：2000-09-29

申请人： Yoshio Ozawa ,  Hisashi Mukataka ,  Yojiro Sato ,  Yuji Kamiyama ,  Motoki Moriguchi

发明人： Yoshio Ozawa ,  Hisashi Mukataka ,  Yojiro Sato ,  Yuji Kamiyama ,  Motoki Moriguchi

IPC分类号： G03G2100

CPC分类号： G03G15/751 ,  G03G5/0564 ,  G03G5/06 ,  G03G5/14704 ,  G03G9/097 ,  G03G9/09708

摘要： Disclosed is an image formation method using electrophotography, comprising the steps of supplying a developer by a developing device (17) onto a photosensitive drum (11) in rotation to form a toner image thereon, transferring the formed toner image onto a transfer paper to form an image on the transfer paper, and removing untransferred developer by use of a cleaning blade (21), wherein an OPC photosensitive drum (11) is used for the photosensitive drum and includes a photosensitive layer (27) being formed on an electrically conductive base (25) and having an initial thickness which is a value within a range of 20 to 50 &mgr;m, and wherein the amount X of reduction in the thickness of the photosensitive layer (27) in the OPC photosensitive drum (11) satisfies the following expression (1) 0.5 &mgr;m

摘要翻译： 公开了使用电子照相术的图像形成方法，包括以下步骤：旋转显影装置（17）将显影剂供应到感光鼓（11）上以在其上形成调色剂图像，将形成的调色剂图像转印到转印纸上以形成 转印纸上的图像，以及通过使用清洁刮刀（21）去除未转印的显影剂，其中OPC感光鼓（11）用于感光鼓并且包括形成在导电基底上的感光层（27） （25），初始厚度为20〜50μm的范围内的值，其中OPC感光鼓（11）中感光层（27）的厚度减少量X满足下式 （1）X：作为示例，使用A4尺寸转印纸longitu以6张/分钟的印刷速度印刷10,000张纸时感光层（27）的厚度减少量（mum） 供料装置 和R：OPC感光鼓（11）的直径（mm）。

公开(公告)号：US06365313B1

公开(公告)日：2002-04-02

申请号：US09623540

申请日：2000-09-05

申请人： Kojiro Masuo ,  Takuji Kishimoto

发明人： Kojiro Masuo ,  Takuji Kishimoto

IPC分类号： G03G9097

CPC分类号： G03G9/0806 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/097

摘要： A toner for development of electrostatic images, obtained by subjecting a polymerizable monomer composition containing at least a colorant, a polymerizable monomer and a charge control agent to suspension polymerization in an aqueous medium containing a dispersing agent, wherein (a) the dispersing agent is a cationic inorganic dispersing agent; and (b) the charge control agent is a quaternary ammonium salt group-containing copolymer comprising a vinyl aromatic hydrocarbon unit, a (meth)acrylate unit and a quaternary ammonium salt group-containing (meth)acrylate unit, having a weight average molecular weight of 25,000 to 40,000 in terms of polystyrene as measured by gel permeation chromatography using tetrahydrofuran and containing the quaternary ammonium salt group-containing (meth)acrylate unit in a proportion of 1 to 15 wt. %, and a production process thereof.

摘要翻译： 一种用于显影静电图像的调色剂，其通过使含有至少着色剂的可聚合单体组合物，可聚合单体和电荷控制剂在含有分散剂的水性介质中进行悬浮聚合而获得，其中（a）分散剂为 阳离子无机分散剂; 和（b）电荷控制剂是含有乙烯基芳族烃单元，（甲基）丙烯酸酯单元和含季铵盐基团的（甲基）丙烯酸酯单元）的含季铵盐基团的共聚物，其重均分子量 通过使用四氢呋喃的凝胶渗透色谱法测定的聚苯乙烯换算为25,000〜40,000，含有含有季铵盐基的（甲基）丙烯酸酯单元，比例为1〜15重量％。 ％及其制造方法。

公开(公告)号：US06356729B1

公开(公告)日：2002-03-12

申请号：US09541630

申请日：2000-04-03

申请人： Tamoe Sasaki ,  Satoshi Mochizuki

发明人： Tamoe Sasaki ,  Satoshi Mochizuki

IPC分类号： G03G1508

CPC分类号： G03G13/08 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/097 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G15/0872 ,  G03G2215/0602 ,  G03G2215/0668

摘要： A toner with a volume average particle diameter not less than 6.0 &mgr;m and a particle distribution such that toner particles having a particle diameter not greater than one half of the number average particle diameter of the toner are present in an amount not greater than 10% by number, and toner particles having a particle diameter not less than 1.5 times the volume average particle diameter of the toner are present in an amount not greater than 15% by volume. The toner is preferably contained in a cylindrical toner container having at least an opening, and a spiral groove formed on the internal surface thereof. The toner container is horizontally set in an image forming apparatus for rotation around the center axis thereof to discharge the toner to a developing device of the image forming apparatus through the opening. A toner supplying method includes providing the toner in the cylindrical container and rotating the container, while horizontally set, around its center axis to discharge the toner from the opening.

摘要翻译： 体积平均粒径不小于6.0μm的调色剂和具有不大于调色剂的数均粒径的一半的粒径的调色剂颗粒的颗粒分布以不大于10％的量存在 数量和粒径不小于调色剂的体积平均粒径的1.5倍的调色剂颗粒以不大于15体积％的量存在。 调色剂优选包含在具有至少一个开口的圆柱形调色剂容器中，并且在其内表面上形成螺旋槽。 调色剂容器被水平地设置在图像形成装置中，用于围绕其中心轴线旋转，以通过开口将调色剂排出到图像形成装置的显影装置。 调色剂供应方法包括在圆柱形容器中提供调色剂并使容器旋转，同时围绕其中心轴线水平设置，以使调色剂从开口排出。

公开(公告)号：US20020012752A1

公开(公告)日：2002-01-31

申请号：US09863032

申请日：2001-05-22

申请人： Xerox Corporation

发明人： Maria N. V. McDougall ,  Richard P. N. Veregin ,  Karen A. Moffat

IPC分类号： B05D001/02

CPC分类号： G03G9/09708 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/097 ,  G03G9/09716 ,  G03G13/08

摘要： Disclosed is a marking material comprising (a) toner particles which comprise a resin and a colorant, said particles having an average particle diameter of no more than about 7 microns and a particle size distribution of GSD equal to no more than about 1.25, wherein said toner particles are prepared by an emulsion aggregation process, and (b) hydrophobic conductive metal oxide particles situated on the toner particles. Also disclosed is a process for depositing marking material onto a substrate which comprises (a) providing a propellant to a head structure, said head structure having a channel therein, said channel having an exit orifice with a width no larger than about 250 microns through which the propellant can flow, said propellant flowing through the channel to form thereby a propellant stream having kinetic energy, said channel directing the propellant stream toward the substrate, and (b) controllably introducing a particulate marking material into the propellant stream in the channel, wherein the kinetic energy of the propellant particle stream causes the particulate marking material to impact the substrate, and wherein the particulate marking material comprises (a) toner particles which comprise a resin and a colorant, said particles having an average particle diameter of no more than about 7 microns and a particle size distribution of GSD equal to no more than about 1.25, wherein said toner particles are prepared by an emulsion aggregation process, and (b) hydrophobic conductive metal oxide particles situated on the toner particles.

摘要翻译： 公开了一种标记材料，其包含（a）包含树脂和着色剂的调色剂颗粒，所述颗粒的平均粒径不大于约7微米，GSD的粒度分布等于不超过约1.25，其中所述 调色剂颗粒通过乳液聚集方法制备，和（b）位于调色剂颗粒上的疏水性导电金属氧化物颗粒。 还公开了一种用于将标记材料沉积到基底上的方法，其包括（a）向头部结构提供推进剂，所述头部结构在其中具有通道，所述通道具有宽度不大于约250微米的出口孔，通过该出口孔 推进剂可以流动，所述推进剂流过通道从而形成具有动能的推进剂流，所述通道将推进剂流引向基底，和（b）可控地将颗粒状标记材料引入通道中的推进剂流中，其中 推进剂颗粒流的动能导致颗粒标记材料冲击基材，并且其中颗粒标记材料包括（a）包含树脂和着色剂的调色剂颗粒，所述颗粒的平均粒径不大于约 7微米，GSD的粒度分布等于不大于约1.25，其中所述调色剂 颗粒通过乳液聚集方法制备，和（b）位于调色剂颗粒上的疏水性导电金属氧化物颗粒。

公开(公告)号：US06342328B1

公开(公告)日：2002-01-29

申请号：US09623448

申请日：2000-09-05

申请人： Takahiro Takasaki ,  Kazu Niwa ,  Kojiro Masuo ,  Kazuhiro Sato

发明人： Takahiro Takasaki ,  Kazu Niwa ,  Kojiro Masuo ,  Kazuhiro Sato

IPC分类号： G03G9097

CPC分类号： G03G9/08791 ,  G03G9/08726 ,  G03G9/097

摘要： A toner for development of electrostatic images, comprising at least a binder resin, a colorant and a charge control agent, wherein the charge control agent is a polar resin composed of a copolymer of a vinyl monomer and SO3X (X=H or alkali metal) group-containing (meth)acrylamide and having an SO3X group-containing (meth)acrylamide unit content of 0.1 to 10 wt. % and a weight average molecular weight of 17,000 to 25,000, and a production process of the toner.

摘要翻译： 用于显影静电图像的调色剂，至少包含粘合剂树脂，着色剂和电荷控制剂，其中电荷控制剂是由乙烯基单体和SO 3 X（X = H或碱金属）的共聚物组成的极性树脂， （甲基）丙烯酰胺，含有SO 3 X基的（甲基）丙烯酰胺单元含量为0.1〜10重量％ ％，重均分子量17000〜25000，调色剂的制造方法。

公开(公告)号：US06340549B1

公开(公告)日：2002-01-22

申请号：US09663098

申请日：2000-09-15

申请人： Hideo Maehata ,  Yasuo Matsumura ,  Hisae Yoshizawa ,  Masaaki Suwabe

发明人： Hideo Maehata ,  Yasuo Matsumura ,  Hisae Yoshizawa ,  Masaaki Suwabe

IPC分类号： G03G910

CPC分类号： G03G9/097 ,  G03G9/0827

摘要： The foregoing problem is solved with a toner for the development of an electrostatic image obtained by externally adding agglomerated particles to toner particles containing a binder resin and a colorant, characterized in that the agglomerated particles are made of (i) a particulate resin alone, (ii) a particulate lubricant alone or (iii) at least two particulate materials selected from the group consisting of particulate resin, particulate lubricant and inorganic particulate material and have a shape factor of 130 or more and a volume-average particle diameter of from 0.5 &mgr;m to 10 &mgr;m.

摘要翻译： 上述问题是通过将通过向含有粘合剂树脂和着色剂的调色剂颗粒外部添加附聚颗粒而获得的静电图像的调色剂来解决的，其特征在于，附聚颗粒由（i）单独的颗粒树脂（ ii）单独的颗粒润滑剂或（iii）至少两种选自颗粒树脂，颗粒润滑剂和无机颗粒材料的颗粒材料，并且具有130或更大的形状因子和体积平均粒径为0.5μm 到10个妈妈