公开(公告)号：US07442484B2

公开(公告)日：2008-10-28

申请号：US10969076

申请日：2004-10-21

申请人： Osamu Uchinokura ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Kohichi Sakata ,  Tomoko Utsumi ,  Hisashi Nakajima ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Satoshi Mochizuki

发明人： Osamu Uchinokura ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Kohichi Sakata ,  Tomoko Utsumi ,  Hisashi Nakajima ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Satoshi Mochizuki

IPC分类号： G03G15/20

CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/08791 ,  G03G2215/20 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2035

摘要： An image forming method including: forming a toner image on a support using a toner including toner particles; and feeding the support bearing the toner image thereon through a nip between an endless toner heating member and a pressure roller to fix the toner image on the support, wherein the endless toner heating member is rotated while stretched by a fixing roller and a heat roller which includes a magnetic metal and which is heated by electromagnetic induction, and wherein the pressure roller presses the support to the endless toner heating member and the fixing roller at the nip, wherein the toner particles are prepared by a polymerizing method using a binder resin containing at least a modified polyester resin.

摘要翻译： 一种图像形成方法，包括：使用包含调色剂颗粒的调色剂在支撑体上形成调色剂图像; 并且通过无端调色剂加热构件和压力辊之间的辊隙将支承有调色剂图像的支撑件供给到支撑体上，将调色剂图像固定在支撑体上，其中，无端调色剂加热构件通过定影辊和加热辊拉伸而旋转， 包括磁性金属，并且通过电磁感应加热，并且其中压力辊将所述支撑件按压在所述辊隙处的所述无端调色剂加热构件和所述定影辊，其中所述调色剂颗粒通过聚合方法制备，所述聚合方法使用含有 至少一种改性聚酯树脂。

公开(公告)号：US20080118855A1

公开(公告)日：2008-05-22

申请号：US11943972

申请日：2007-11-21

申请人： Shinya Nakayama ,  Akihiro Kotsugai ,  Yasuaki Iwamoto ,  Yasutada Shitara ,  Yohichiroh Watanabe

发明人： Shinya Nakayama ,  Akihiro Kotsugai ,  Yasuaki Iwamoto ,  Yasutada Shitara ,  Yohichiroh Watanabe

IPC分类号： G03G9/087

CPC分类号： G03G9/0819 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/1135 ,  G03G9/1136

摘要： Provided is a toner that comprises a binder resin, a releasing agent, and a colorant, wherein the mass average particle diameter of the toner is 3 μm to 8 μm, the content of particles having a particle diameter of no more than 5 μm is from 60% by number to 90% by number, the binder resin comprises a polyester resin (A) having a softening temperature Tm(A) from no lower than 120° C. to no higher than 160° C. and a polyester resin (B) having a softening temperature Tm(B) from no lower than 80° C. to lower than 120° C., and at least one of the polyester resins (A) and (B) is prepared by condensation polymerization between an alcohol component and a carboxylic acid component, and the alcohol component comprises divalent alcohol of 1,2-propanediol in a content of no less than 65% by mole and consists substantially of aliphatic alcohol; and also provided is a developer that comprises the toner and a carrier.

摘要翻译： 提供了包含粘合剂树脂，脱模剂和着色剂的调色剂，其中调色剂的质量平均粒径为3μm至8μm，粒径不大于5μm的颗粒的含量为 60％〜数量％，粘合剂树脂包括软化温度Tm（A）不低于120℃至不高于160℃的聚酯树脂（A）和聚酯树脂（B ），其软化温度Tm（B）不低于80℃至低于120℃，并且至少一种聚酯树脂（A）和（B）通过醇组分和 羧酸成分，醇成分含有不低于65摩尔％的1,2-丙二醇的二价醇，基本上由脂肪醇组成， 并且还提供了包括调色剂和载体的显影剂。

公开(公告)号：US07318989B2

公开(公告)日：2008-01-15

申请号：US11498138

申请日：2006-08-03

申请人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Hisashi Nakajima ,  Yasuo Asahina ,  Osamu Uchinokura ,  Masayuki Ishii ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Masami Tomita

发明人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Hisashi Nakajima ,  Yasuo Asahina ,  Osamu Uchinokura ,  Masayuki Ishii ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Masami Tomita

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/09716 ,  G03G9/09725

摘要： To provide a toner that can provide long-term removability and high-definition images with reduced image layer thickness and densely-packed toner particles, a developer capable of forming high-quality images using the toner, a toner container for containing the toner, a process cartridge using the toner, an image forming apparatus using the toner, and an image forming method using the toner. The toner of the present invention is a toner having a substantially spherical shape with irregularities on its surface and containing at least a binder resin and a colorant, wherein a surface factor SF-1 that represents the sphericity of toner particles is 105 to 180, a surface factor SF-2 that represents the degree of surface irregularities of the toner particles is correlated with the volume-average diameter of the toner particles, and the toner particles have an inorganic oxide particle-containing layer within 1 μm from their surfaces.

摘要翻译： 为了提供能够提供具有降低的图像层厚度和密集调色剂颗粒的长期可移除性和高清晰度图像的调色剂，能够使用调色剂形成高质量图像的显影剂，用于容纳调色剂的调色剂容器， 使用调色剂的处理盒，使用调色剂的图像形成装置和使用该调色剂的图像形成方法。 本发明的调色剂是具有基本上球形的调色剂，其表面上具有不规则性并且至少包含粘合剂树脂和着色剂，其中表示调色剂颗粒的球形度的表面系数SF-1为105至180， 表示调色剂颗粒的表面不规则度的表面系数SF-2与调色剂颗粒的体积平均直径相关，并且调色剂颗粒具有与其表面1μm以内的无机氧化物颗粒层。

公开(公告)号：US07258959B2

公开(公告)日：2007-08-21

申请号：US11234415

申请日：2005-09-26

申请人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Akihiro Kotsugai ,  Osamu Uchinokura ,  Masayuki Ishii

发明人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Akihiro Kotsugai ,  Osamu Uchinokura ,  Masayuki Ishii

IPC分类号： G03G9/00 ,  G03G5/00

CPC分类号： G03G9/0806 ,  G03G9/0823 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08766 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09741 ,  G03G9/09766

摘要： The object of the present invention is to provide a developer having a sharp charge amount distribution and bringing out high-quality image without substantially smearing a charging unit, developing units, a photoconductor, and an intermediate transferring member by the developer, namely, a developer capable of providing an appropriate image density and exhibiting extremely little background smear even when used over a long period of time and repeatedly used for a number of sheets of paper as well as to provide an image forming apparatus for electrophotography using the developer.

摘要翻译： 本发明的目的是提供一种具有尖锐的电荷量分布的显影剂，并且通过显影剂，即显影剂，显影剂，显影剂，显影剂，显影剂， 能够提供适当的图像浓度，并且即使在长时间使用并且重复使用多张纸时也显示极小的背景污迹，并且提供使用显影剂的电子照相的图像形成装置。

公开(公告)号：US20070141500A1

公开(公告)日：2007-06-21

申请号：US11611165

申请日：2006-12-15

申请人： Tsuyoshi Sugimoto ,  Hiroshi Yamashita ,  Ryota Inoue ,  Yoshihiro Moriya ,  Shinichi Wakamatsu ,  Akihiro Kotsugai

发明人： Tsuyoshi Sugimoto ,  Hiroshi Yamashita ,  Ryota Inoue ,  Yoshihiro Moriya ,  Shinichi Wakamatsu ,  Akihiro Kotsugai

IPC分类号： G03G9/08

CPC分类号： G03G9/0804 ,  G03G9/081 ,  G03G9/09328 ,  G03G9/09357 ,  G03G9/09371 ,  G03G9/09378 ,  G03G9/09392

摘要： A toner is provided including a colorant; a first binder resin; and a second binder resin, wherein an amount of the first binder resin and an amount of the second binder resin are phase separated from each other in the toner, and wherein a phase of the first binder resin is partially or completely covered with a phase of the second binder resin; and a method of preparing the toner, and a developer, an image forming method, an image forming apparatus, and a process cartridge using the toner.

摘要翻译： 提供了包括着色剂的调色剂; 第一粘合剂树脂; 和第二粘合剂树脂，其中第一粘合剂树脂的量和第二粘合剂树脂的量在调色剂中彼此相分离，并且其中第一粘合剂树脂的相被部分或完全地覆盖有相 第二粘合剂树脂; 以及调色剂的制备方法，显影剂，图像形成方法，图像形成装置和使用该调色剂的处理盒。

公开(公告)号：US20060172215A1

公开(公告)日：2006-08-03

申请号：US11338700

申请日：2006-01-25

申请人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Sonoh Matsuoka ,  Takuya Saito

发明人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Sonoh Matsuoka ,  Takuya Saito

IPC分类号： G03G9/09

CPC分类号： G03G9/0906 ,  G03G9/0922

摘要： A toner is provided containing a parent particulate material, which contains; a first colorant, a second colorant, and a binder resin, wherein the first colorant contains an organic pigment having a primary particle diameter distribution with a median diameter of from 0.08 to 0.12 μm, and the second colorant contains an organic pigment having a primary particle diameter distribution with a median diameter of from 0.01 to 0.06 μm, and each of the first colorant and second colorant have the following formula (1)

公开(公告)号：US20050208411A1

公开(公告)日：2005-09-22

申请号：US11081738

申请日：2005-03-17

申请人： Shinya Nakayama ,  Fumihiro Sasaki ,  Satoshi Mochizuki ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Sonoh Matsuoka ,  Takuya Saito ,  Tomoyuki Ichikawa ,  Koichi Sakata

发明人： Shinya Nakayama ,  Fumihiro Sasaki ,  Satoshi Mochizuki ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Sonoh Matsuoka ,  Takuya Saito ,  Tomoyuki Ichikawa ,  Koichi Sakata

IPC分类号： G03G9/08 ,  G03G9/093

CPC分类号： G03G9/0825 ,  G03G9/09328 ,  G03G9/09335 ,  G03G9/09392

摘要： A toner containing toner particles having a core-shell structure containing a binder resin, a colorant and a release agent. The toner particles are prepared by dissolving or dispersing at least one of the binder resin and a precursor thereof in an organic solvent or a polymeric monomer and reacting the resultant in an aqueous medium for reaction, wherein the toner satisfies the following relationship: ΔTm=Tm1−Tm2>10 ° C., wherein Tm1 represents half efflux temperature of the toner and Tm2 represents half efflux temperature of a toner which is prepared by melting and kneading the toner particles and wherein a content of the release agent existing close to the surface portion of the toner particles is from 7 to 30% by volume based on an entire portion close to the surface portion of the toner particles when the content is determined by Fourier Transform Infrared Spectroscopy Attenuated Total Reflection (FTIR-ATR) method.

摘要翻译： 含有具有含有粘合剂树脂，着色剂和脱模剂的核 - 壳结构的调色剂颗粒的调色剂。 调色剂颗粒通过将至少一种粘合剂树脂及其前体溶解或分散在有机溶剂或聚合单体中制备，并将所得物在水性介质中反应，其中调色剂满足以下关系：DeltaTm = Tm1 -Tm2> 10℃，其中Tm1表示调色剂的半流出温度，Tm2表示通过熔融和捏合调色剂颗粒制备的调色剂的半外流温度，并且其中存在于表面部分附近的分离剂的含量 当通过傅立叶变换红外光谱衰减全反射（FTIR-ATR）方法确定含量时，基于调色剂颗粒的表面部分附近的整个部分，调色剂颗粒的体积为7至30体积％。

公开(公告)号：US20050089787A1

公开(公告)日：2005-04-28

申请号：US10969076

申请日：2004-10-21

申请人： Osamu Uchinokura ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Kohichi Sakata ,  Tomoko Utsumi ,  Hisashi Nakajima ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Satoshi Mochizuki

发明人： Osamu Uchinokura ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Kohichi Sakata ,  Tomoko Utsumi ,  Hisashi Nakajima ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Satoshi Mochizuki

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G15/20

CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/08791 ,  G03G2215/20 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2035

摘要： An image forming method including: forming a toner image on a support using a toner including toner particles; and feeding the support bearing the toner image thereon through a nip between an endless toner heating member and a pressure roller to fix the toner image on the support, wherein the endless toner heating member is rotated while stretched by a fixing roller and a heat roller which includes a magnetic metal and which is heated by electromagnetic induction, and wherein the pressure roller presses the support to the endless toner heating member and the fixing roller at the nip, wherein the toner particles are prepared by a polymerizing method using a binder resin containing at least a modified polyester resin.

摘要翻译： 一种图像形成方法，包括：使用包含调色剂颗粒的调色剂在支撑体上形成调色剂图像; 并且通过无端调色剂加热构件和压力辊之间的辊隙将支承有调色剂图像的支撑件供给到支撑体上，将调色剂图像固定在支撑体上，其中，无端调色剂加热构件通过定影辊和加热辊拉伸而旋转， 包括磁性金属，并且通过电磁感应加热，并且其中压力辊将所述支撑件按压在所述辊隙处的所述无端调色剂加热构件和所述定影辊，其中所述调色剂颗粒通过聚合方法制备，所述聚合方法使用含有 至少一种改性聚酯树脂。

公开(公告)号：US20050089786A1

公开(公告)日：2005-04-28

申请号：US10959663

申请日：2004-10-07

申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Kohichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto

发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Akihiro Kotsugai ,  Yasuo Asahina ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Kohichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08797 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08733 ,  G03G9/08795

摘要： A toner including a binder resin; and a colorant, wherein a hexafluoroisopropanol (HFIP)-soluble component satisfies the following relationship: 2,000≦Mn≦7,000 and 1.5≦Mn/Mw≦10 wherein Mn represents a number-average molecular weight and Mw represents a weight-average molecular weight.

摘要翻译： 包含粘合剂树脂的调色剂; 和一种着色剂，其中六氟异丙醇（HFIP） - 可溶成分满足以下关系：<？in-line-formula description =“In-line formula”end =“lead”？> 2,000 <= Mn <= 7,000 and 1.5 < = Mn / Mw <= 10 <？in-line-formula description =“In-line Formulas”end =“tail”？>其中Mn表示数均分子量，Mw表示重均分子量。

公开(公告)号：US06599672B2

公开(公告)日：2003-07-29

申请号：US10225165

申请日：2002-08-22

申请人： Kimitoshi Yamaguchi ,  Akihiro Kotsugai

发明人： Kimitoshi Yamaguchi ,  Akihiro Kotsugai

IPC分类号： G03G500

CPC分类号： G03G9/107 ,  G03G9/1075 ,  G03G9/1136

摘要： A carrier for an image developer for electrophotography, including core particles, and a coating layer covering each of the core particles, wherein the core particles have a weight average particle diameter of Dv which is 25-45 &mgr;m and a number average particle diameter of Dp which meets with the following condition: 1≦Dv/Dp≦1.3, wherein the core particles have such a particle size distribution that particles having a particle diameter of less than 44 &mgr;m is at least 70% by weight and particles having a particle diameter of less than 22 &mgr;m is not more than 7% by weight.