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：US20080096116A1

公开(公告)日：2008-04-24

申请号：US11573251

申请日：2005-08-04

申请人： Tomoko Utsumi ,  Satoshi Mochizuki ,  Hideki Sugiura ,  Tomoyuki Ichikawa ,  Minoru Masuda ,  Shinya Nakayama

发明人： Tomoko Utsumi ,  Satoshi Mochizuki ,  Hideki Sugiura ,  Tomoyuki Ichikawa ,  Minoru Masuda ,  Shinya Nakayama

IPC分类号： G03G9/087 ,  G03G9/08 ,  G03G13/04 ,  G03G15/08

CPC分类号： G03G9/0872 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08704 ,  G03G9/08722 ,  G03G9/08751 ,  G03G9/08753 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09733

摘要： The object of the invention is to provide a toner enabling excellent transferring properties, cleanability, and fixability and forming a high-precision image without substantially degraded image quality even after printed on a number of sheets of paper. The invention also provides the toner-production method, an image forming apparatus, an image forming method, and a process cartridge. To this end, the present invention provides a toner which comprises toner-base particles containing a binder resin and a filler, and inorganic fine particles, in which the filler is included in a filler-layer in the vicinity of surfaces of the toner-base particles, the number average particle diameter of the primary particles of the inorganic fine particles is 90 nm to 300 nm, and the average circularity of the toner is 0.95.

摘要翻译： 本发明的目的是提供一种能够优异的转印性能，可清洁性和定影性的调色剂，并且即使在多张纸上印刷之后也能形成高精度的图像而没有显着降低的图像质量。 本发明还提供调色剂生产方法，图像形成装置，图像形成方法和处理盒。 为此，本发明提供一种调色剂，其包含含有粘合剂树脂和填料的调色剂基础颗粒和无机细颗粒，其中填料层包含在调色剂基底表面附近的填料层中 无机微粒的一次粒子的数均粒径为90nm〜300nm，调色剂的平均圆形度为0.95。

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：US07261989B2

公开(公告)日：2007-08-28

申请号：US11400375

申请日：2006-04-10

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

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

IPC分类号： G03G9/00

CPC分类号： G03G9/0825 ,  G03G9/0872

摘要： The object of the present invention is to provide a toner which has sufficiently high chargeability and less toner spent to a carrier or the like even when several tens of thousands of image sheets are output, is capable of keeping high-charge property and flowability without causing substantial background smear or toner fogging, excels in low-temperature fixing property and hot-offset property, and has a wide range of fixing temperature as well as to provide a developer, an image forming apparatus, a process cartridge, and an image forming method using the toner for developing electrostatic images. The toner of the present invention comprises a colorant, and a resin, and a fluoride compound, in which the fluoride compound exists on the surfaces of toner particles, and the atomic number ratio (F/C) of fluoride atoms to carbon atoms existing on the surfaces of the toner particles is 0.010 to 0.054.

摘要翻译： 本发明的目的是提供一种调色剂，其具有充分的充电能力和较少的调色剂用于载体等，即使当数万张图像片材被输出时，能够保持高充电性和流动性而不会引起 实质背景污迹或调色剂雾化，具有低温定影性和热胶印性，并且具有广泛的定影温度以及提供显影剂，图像形成装置，处理盒和成像方法 使用调色剂显影静电图像。 本发明的调色剂包括着色剂，树脂和氟化合物，其中氟化物存在于调色剂颗粒的表面上，氟原子与碳原子上的原子数比（F / C）存在于 调色剂颗粒的表面为0.010至0.054。

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：US07172844B2

公开(公告)日：2007-02-06

申请号：US10784204

申请日：2004-02-24

申请人： Kazuhiko Umemura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Hideki Sugiura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi

发明人： Kazuhiko Umemura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Hideki Sugiura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0821

摘要： A toner for electrophotography contains a binder resin, a colorant and a releasing agent and has a viscosity, a storage modulus (G′) and a loss modulus (G″), in which the viscosity is 1×103 Pa·s or more and a loss tangent (tan δ) as the ratio of G′ to G″ is 0.4 or more at temperatures from 140° C. to 170° C.

摘要翻译： 用于电子照相的调色剂含有粘合剂树脂，着色剂和脱模剂，并且具有粘度，储能模量（G'）和损耗模量（G“），其中粘度为1×10 3 > Pa.s以上，并且在140℃至170℃的温度下，G'与G“之比的损耗角正切（tanδ）为0.4以上

公开(公告)号：US20060040194A1

公开(公告)日：2006-02-23

申请号：US11184976

申请日：2005-07-20

申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Tomoko Utsumi ,  Koichi Sakata

发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Tomoko Utsumi ,  Koichi Sakata

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0825

摘要： The object of the present invention is to provide a toner which is excellent in shelf stability for a long term by producing the toner through controlling the dispersion condition of the wax around the toner surface and through improving, not only the off-set resistance of the toner for rendering the fixing properties of the toner advantageous, but also the blocking resistance of the toner, wherein the toner contains a binder resin, a colorant, and a wax, wherein the amount of the wax is 3% by mass to 21% by mass, and the amount of the wax which is present in the portion of the toner particle which is in the range of from the outermost surface to the depth of 0.3 μm in the toner particle is in a specified range, and at least a part of the wax is present as plural individual wax dispersion particles involved in the toner particles.

摘要翻译： 本发明的目的是提供一种通过控制调色剂表面周围的蜡的分散状态来生产调色剂，从而长期保持稳定性的调色剂，并且不仅改善了 用于使调色剂的定影性能有利的调色剂，以及调色剂的抗粘连性，其中调色剂含有粘合剂树脂，着色剂和蜡，其中蜡的量为3质量％至21质量％ 质量，并且调色剂颗粒中存在于调色剂颗粒中的最外表面至0.3μm范围内的部分中的蜡的量在特定范围内，并且至少一部分 蜡作为调色剂颗粒中涉及的多个单独的蜡分散体颗粒存在。

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。