公开(公告)号：US5629120A

公开(公告)日：1997-05-13

申请号：US543343

申请日：1995-10-16

申请人： Manabu Serizawa ,  Ikutaroh Nagatsuka ,  Haruhide Ishida ,  Sakon Takahashi

发明人： Manabu Serizawa ,  Ikutaroh Nagatsuka ,  Haruhide Ishida ,  Sakon Takahashi

IPC分类号： G03G9/08 ,  G03G9/107 ,  G03G9/113

CPC分类号： G03G9/107

摘要： The present invention provides an electrostatic image developing carrier which exhibits an enhanced maintenance of image quality, can be prevented from being attached to the image and thus can provide an image free of uneven density and background stain and an electrostatic image developer comprising said carrier. A novel electrostatic image developing carrier comprising a ferrite is provided, characterized in that said ferrite has a copper content of from 0.1 ppm to 2,500 ppm, a zinc content of from 0.1 ppm to 5,000 ppm and a nickel content of from 0.1 ppm to 2,000 ppm.

摘要翻译： 本发明提供一种可以防止图像质量保持增强的静电图像显影载体，从而可以提供不含密度和背景污染的图像，以及包含所述载体的静电图像显影剂。 提供一种包含铁素体的新型静电图像显影载体，其特征在于，所述铁素体的铜含量为0.1ppm至2,500ppm，锌含量为0.1ppm至5,000ppm，镍含量为0.1ppm至2,000ppm 。

公开(公告)号：US5250996A

公开(公告)日：1993-10-05

申请号：US882136

申请日：1992-05-13

申请人： Yutaka Sugizaki ,  Hiroshi Takayama ,  Hideyuki Akagi ,  Takashi Imai ,  Susumu Saito ,  Yoshio Shoji ,  Yasuhiro Uehara ,  Masanori Ichimura ,  Tomohiro Ohkawa ,  Manabu Serizawa ,  Yasuo Yamamoto ,  Michio Take ,  Satoshi Inoue

发明人： Yutaka Sugizaki ,  Hiroshi Takayama ,  Hideyuki Akagi ,  Takashi Imai ,  Susumu Saito ,  Yoshio Shoji ,  Yasuhiro Uehara ,  Masanori Ichimura ,  Tomohiro Ohkawa ,  Manabu Serizawa ,  Yasuo Yamamoto ,  Michio Take ,  Satoshi Inoue

IPC分类号： G03G9/087 ,  G03G13/20 ,  G03G15/01 ,  G03G15/20

CPC分类号： G03G9/08755 ,  G03G13/20 ,  G03G15/0105 ,  G03G15/2025

摘要： A method for fixing a full color toner image by inserting a transfer medium to which a toner image is transferred, between a pair of rolls of a fixing apparatus, and pressing the medium therebetween, wherein the toner image is formed of a full color toner prepared by dispersing a colorant into a polyester resin containing a diol component represented by the following general formula (I) as a constituent and having a softening point of 100.degree. to 120.degree. C., as measured by a ring and ball method, a glass transition temperature of 55.degree. C. or more, a Gardner color scale of 2 or less and a haze value of 15 or less, and the fixing operation is conducted while supplying a functional group-containing organopolysiloxane having a viscosity of 10 to 100,000 cs at 25.degree. C. to a roll in contact with the toner image, whereby the full color toner image can be stably fixed without wrapping of the transfer medium around the roll and offset, and the fixed image having good image quality can be obtained: ##STR1## wherein R represents an ethylene group or a propylene group, each of x and y is an integer of 1 or more, and x+y is 2 to 6.

摘要翻译： 一种通过将定影设备的一对辊之间插入转印有调色剂图像的转印介质并在其间按压介质来固定全色调色剂图像的方法，其中调色剂图像由全色调色剂形成 通过将着色剂分散在含有由以下通式（I）表示的二醇组分的聚酯树脂中作为组分，并且通过环球法测量的软化点为100-120℃，玻璃化转变 温度为55℃以上，Gardner色标为2以下，雾度值为15以下，进行定影操作，同时在25℃下提供粘度为10〜100,000cs的含官能团的有机聚硅氧烷 使其与调色剂图像接触，从而可以稳定地固定全色调色剂图像，而不会在辊周围缠绕转印介质并且偏移，并且可以获得具有良好图像质量的固定图像 （I）其中R表示亚乙基或亚丙基，x和y各自为1以上的整数，x + y为2〜6。

公开(公告)号：US08828638B2

公开(公告)日：2014-09-09

申请号：US12568049

申请日：2009-09-28

申请人： Norihito Fukushima ,  Manabu Serizawa ,  Katsuyuki Kitajima

发明人： Norihito Fukushima ,  Manabu Serizawa ,  Katsuyuki Kitajima

IPC分类号： G03G9/113 ,  G03G9/09

CPC分类号： G03G9/107 ,  G03G9/08755 ,  G03G9/091 ,  G03G9/1075

摘要： A two-component developer including a yellow toner and a carrier, the yellow toner including at least one of C. I. Pigment Yellow 155 or C. I. Pigment Yellow 185, and an azo pigment, the carrier including a first resin, magnetic particles dispersed in the first resin, and elements of Cu, Zn, Ni and Mn each in an amount of from 0 to about 2,000 ppm.

摘要翻译： 包含黄色调色剂和载体的双组分显影剂，包括CI颜料黄155或CI颜料黄185中的至少一种的黄色调色剂和偶氮颜料，载体包含第一树脂，分散在第一树脂中的磁性颗粒 ，Cu，Zn，Ni和Mn的元素各自为0至约2,000ppm。

公开(公告)号：US07288351B2

公开(公告)日：2007-10-30

申请号：US10793736

申请日：2004-03-08

申请人： Hidekazu Yaguchi ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku

发明人： Hidekazu Yaguchi ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku

IPC分类号： G03G9/09

CPC分类号： G03G9/09 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0906 ,  G03G9/091 ,  G03G9/092 ,  G03G9/0926

摘要： A magenta toner for developing electrostatic images provided which contains a binder resin and a colorant, wherein the colorant includes a mixed crystal of two or more colorants and when a solid patch is fixed on art paper complying with the ISO standard by using this toner, a resulting fixed image color satisfies at least one of the following formulae (b*) −7.94(a*)+591.85. The color difference ΔE between the color of the fixed image and the color characterized by L*: 46.6, a*: 75.1 and b*: −4.4 is preferably less than 6. The colorant is preferably a mixed crystal of a quinacridone colorant and a monoazo colorant. Moreover, the invention provides a method for producing the magenta toner, a developer containing the magenta toner, and an image-forming method using the magenta toner.

摘要翻译： 用于显影静电图像的品红色调色剂包含粘合剂树脂和着色剂，其中着色剂包括两种或更多种着色剂的混合晶体，并且当通过使用该调色剂将固体贴片固定在符合ISO标准的工艺纸上时， 得到的固定图像颜色满足以下公式（b *）<0.85（a *）-67.92中的至少一个; 和（b *）> - 7.94（a *）+ 591.85。 固定图像的颜色与以L *：46.6，a *：75.1和b *：-4.4为特征的颜色之间的色差ΔE优选小于6.着色剂优选为喹吖啶酮着色剂和 单偶氮染料。 此外，本发明提供了生产品红色调色剂的方法，含有品红色调色剂的显影剂和使用品红色调色剂的图像形成方法。

公开(公告)号：US07001701B2

公开(公告)日：2006-02-21

申请号：US10972484

申请日：2004-10-26

申请人： Takahisa Fujii ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Masaki Nakamura ,  Daisuke Ishizuka

发明人： Takahisa Fujii ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Masaki Nakamura ,  Daisuke Ishizuka

IPC分类号： G03G9/08

CPC分类号： G03G5/0517 ,  G03G9/0821 ,  G03G9/08795

摘要： The present invention discloses a color toner providing highly gloss image and documents with excellent long term storability; an electrostatic latent image developer; and an image forming method. Disclosed is a color toner comprising a binder resin and colorant, wherein the weight average molecular weight of the binder resin is from 6000 to 45000, the toner's glass transition temperature (Tg) is from 40 to 70° C., the loss tangent tan δ of dynamic viscoelasticity is from 0.1 to 2.5 in the temperature of from the toner's glass transition temperature (Tg) to the temperature at which the loss modulus (G″) is 1×105 Pa, and the toner comprises 3 to 20% by mass of an ester derivative of an alicyclic compound having 1 or more carboxyl groups, and an electrostatic latent image developer and an image forming method, which use the color toner.

摘要翻译： 本发明公开了一种提供高光泽图像的彩色调色剂和具有优异的长期保存性的文件; 静电潜像显影剂; 和图像形成方法。 公开了包含粘合剂树脂和着色剂的彩色调色剂，其中粘合剂树脂的重均分子量为6000至45000，调色剂的玻璃化转变温度（Tg）为40-70℃，损耗角正切tanδ 在从调色剂的玻璃化转变温度（Tg）到损耗模量（G“）为1×10 5 Pa的温度的温度下，动态粘弹性为0.1至2.5，并且调色剂包含 具有1个以上羧基的脂环族化合物的酯衍生物，3〜20质量％的静电潜像显影剂和图像形成方法。

公开(公告)号：US06582867B2

公开(公告)日：2003-06-24

申请号：US09935712

申请日：2001-08-24

申请人： Manabu Serizawa ,  Katsumi Daimon ,  Norihito Fukushima ,  Takashi Imai ,  Hirokazu Hamano

发明人： Manabu Serizawa ,  Katsumi Daimon ,  Norihito Fukushima ,  Takashi Imai ,  Hirokazu Hamano

IPC分类号： G03G900

CPC分类号： G03G9/09733 ,  G03G9/08782 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09791

摘要： A toner for developing an electrostatic latent image, a process for producing the same and a process for forming an image using the same are provided. The toner is produced by a simple production process, with good reproducibility, particularly in particle size and particle size distribution. The toner is excellent in production stability, with a wide fixing region, and is also excellent in low temperature fixing property, production stability, storage stability of resin particles formed by the aggregation process, and charging property, particularly environmental stability and time-lapse stability. The toner for developing an electrostatic latent image contains a crystalline resin having a melting point as a binder resin, and at least one of an ester compound having an alkyl group having from 6 to 32 carbon atoms and a resin having a contact angle with water that is smaller than that of the crystalline resin.

公开(公告)号：US06440627B2

公开(公告)日：2002-08-27

申请号：US09776905

申请日：2001-02-06

申请人： Takeshi Shoji ,  Shuji Sato ,  Takao Ishiyama ,  Manabu Serizawa ,  Masaaki Suwabe ,  Yasuo Matsumura

发明人： Takeshi Shoji ,  Shuji Sato ,  Takao Ishiyama ,  Manabu Serizawa ,  Masaaki Suwabe ,  Yasuo Matsumura

IPC分类号： G03G909

CPC分类号： G03G9/09 ,  G03G9/0825 ,  G03G9/0906

摘要： A toner for developing an electrostatic image excellent in fixing property and particularly in light transmissibility and coloring property and satisfying high image quality and high reliability, and a process for producing the same, as well as a developer for an electrostatic image and a process for forming an image are provided. The toner for developing an electrostatic image contains at least a resin component and colorant particles, and the colorant particles exhibit a dispersion state inside the toner observed by a transmission electron microscope. The dispersion state satisfies two conditions, where (1) the colorant particles have a dispersion average particle diameter of 100 nm or less, and (2) the colorant particles have a content of coarse particles of a diameter of 400 nm or more 5% by number or less of the total of the colorant particles.

摘要翻译： 用于显影定影性优异，特别是透光性和着色性，并且满足高图像质量和高可靠性的静电图像的调色剂及其制造方法以及静电图像显影剂和成型方法 提供图像。 用于显影静电图像的调色剂至少包含树脂组分和着色剂颗粒，并且着色剂颗粒在透射电子显微镜观察到的调色剂内表现出分散状态。 分散状态满足两个条件，其中（1）着色剂颗粒的分散平均粒径为100nm以下，（2）着色剂颗粒的直径为400nm以上的粗大粒子的含量为5％以上 数量或更少的着色剂颗粒总数。

公开(公告)号：US5888687A

公开(公告)日：1999-03-30

申请号：US917076

申请日：1997-08-25

申请人： Yasuo Matsumura ,  Manabu Serizawa ,  Masaaki Suwabe ,  Shuji Sato ,  Yasuo Kadokura

发明人： Yasuo Matsumura ,  Manabu Serizawa ,  Masaaki Suwabe ,  Shuji Sato ,  Yasuo Kadokura

IPC分类号： G03G9/09 ,  G03G9/08 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08791 ,  G03G9/0804 ,  G03G9/0806

摘要： The present invention relates to a production method of a toner for developing an electrostatic charge image having an excellent charging property, the method comprising the steps of: forming aggregative particles in a dispersion including at least dispersed resin particles to prepare an aggregative particle dispersion; adding a resin-containing fine particle dispersion containing dispersed resin-containing fine particles into the aggregative particle dispersion and mixing therewith to form adhered particles having said resin-containing fine particles adhering to said aggregative particles; and heating said adhered particles to be fused, wherein concentration of a dissociation group of said resin-containing particles per unit volume is lower than that of a dissociation group of said resin-containing fine particles per unit volume.

摘要翻译： 本发明涉及一种具有优异充电特性的用于显影静电荷图像的调色剂的制备方法，该方法包括以下步骤：在包含至少分散的树脂颗粒的分散体中形成聚集颗粒以制备聚集颗粒分散体; 将含有分散有树脂的微粒子的含树脂微粒分散体加入到聚集粒子分散体中并混合，形成附着在所述聚集粒子上的含有所述含树脂微粒的粘附颗粒; 并加热要熔融的所述粘附的颗粒，其中每单位体积的所述含树脂颗粒的解离基团的浓度低于每单位体积的所述含树脂微粒的解离基团的浓度。

公开(公告)号：US09005861B2

公开(公告)日：2015-04-14

申请号：US13550134

申请日：2012-07-16

申请人： Norihito Fukushima ,  Manabu Serizawa

发明人： Norihito Fukushima ,  Manabu Serizawa

IPC分类号： G03G9/00 ,  G03G9/08 ,  G03G9/087 ,  G03G9/113

CPC分类号： G03G9/08755 ,  G03G9/0806 ,  G03G9/08711 ,  G03G9/1135

摘要： An electrostatic latent image developer contains: an electrostatic-latent-image-developing toner that has toner particles formed by aggregating and fusing particles of a polyester resin, particles of a styrene resin and particles of a coloring agent in a starting material dispersion liquid of those particles dispersed in an aqueous solvent; and a carrier having a core particle and a resin coating layer to coat the surface of the core particle, wherein the ratio of the exposed area of the core particle to the surface of the carrier is about 7% or less.

摘要翻译： 静电潜像显影剂含有：具有调色剂颗粒的静电潜影显影调色剂，该调色剂颗粒是通过聚合树脂，苯乙烯树脂颗粒和着色剂颗粒在其原料分散液中聚集和熔融而形成的 颗粒分散在水性溶剂中; 以及具有芯粒子和树脂被覆层以覆盖核心粒子表面的载体，其中核心粒子的暴露面积与载体表面的比例为约7％以下。

公开(公告)号：US20130260296A1

公开(公告)日：2013-10-03

申请号：US13550134

申请日：2012-07-16

申请人： Norihito FUKUSHIMA ,  Manabu SERIZAWA

发明人： Norihito FUKUSHIMA ,  Manabu SERIZAWA

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/08755 ,  G03G9/0806 ,  G03G9/08711 ,  G03G9/1135

摘要： An electrostatic latent image developer contains: an electrostatic-latent-image-developing toner that has toner particles formed by aggregating and fusing particles of a polyester resin, particles of a styrene resin and particles of a coloring agent in a starting material dispersion liquid of those particles dispersed in an aqueous solvent; and a carrier having a core particle and a resin coating layer to coat the surface of the core particle, wherein the ratio of the exposed area of the core particle to the surface of the carrier is about 7% or less.

摘要翻译： 静电潜像显影剂含有：具有调色剂颗粒的静电潜影显影调色剂，该调色剂颗粒是通过聚合树脂，苯乙烯树脂颗粒和着色剂颗粒在其原料分散液中聚集和熔融而形成的 颗粒分散在水性溶剂中; 以及具有芯粒子和树脂被覆层以覆盖核心粒子表面的载体，其中核心粒子的暴露面积与载体表面的比例为约7％以下。