公开(公告)号：US20110256476A1

公开(公告)日：2011-10-20

申请号：US13081840

申请日：2011-04-07

Applicant: Anju HORI ,  Noboru UEDA ,  Hiroshi NAGASAWA

Inventor： Anju HORI ,  Noboru UEDA ,  Hiroshi NAGASAWA

IPC: G03G9/08

CPC classification number: G03G9/08711 ,  G03G9/0806 ,  G03G9/08795 ,  G03G9/09392

Abstract: A toner for developing electrostatic image comprising a toner particle containing a binding resin is disclosed. which, and In the toner the binding resin has a domain-matrix structure composed of a high elastic resin composing a domain and a low elastic resin composing a matrix, an arithmetic mean value of ratio (L/W) of the Length L to Width W of the domains is 1.5 to 5.0, domains having Length L in the range of 60 to 500 nm exist 80 number % or more, and domains having Width Win the range of 45 to 100 nm exist 80 number % or more, in a viscoelastic image of a cross section of the toner particle observed via an atomic force microscope.

Abstract translation: 公开了一种用于显影静电图像的调色剂，其包含含有粘合树脂的调色剂颗粒。 并且在调色剂中，粘合树脂具有由构成畴的高弹性树脂和构成基质的低弹性树脂构成的畴 - 基质结构，长度L与宽度之比（L / W）的算术平均值 W的范围为1.5〜5.0，长度L在60〜500nm范围内的畴存在80个数％以上，宽度宽45〜100nm的范围存在80个数％以上的粘弹性 通过原子力显微镜观察到的调色剂颗粒的横截面的图像。

公开(公告)号：US20110256479A1

公开(公告)日：2011-10-20

申请号：US13082044

申请日：2011-04-07

Applicant: Noboru UEDA ,  Hiroshi NAGASAWA ,  Anju HORI

Inventor： Noboru UEDA ,  Hiroshi NAGASAWA ,  Anju HORI

IPC: G03G13/20

CPC classification number: G03G15/2064 ,  G03G9/0819 ,  G03G9/08795 ,  G03G9/08797 ,  G03G2215/2009

Abstract: An image forming method is disclosed, comprising transferring and fixing steps, wherein fixing is performed by a fixing device in which at least one of a heating member and a pressing member comprises an endless belt entrained about plural rollers, and the heating member and the pressing member are pressed against each other to form a fixing nip, and wherein toner particles contains a binder resin which has a domain/matrix structure constituted of a high-elastic resin forming a domain and a low-elastic resin forming a matrix in an elastic image obtained when observing the toner particles by an atomic force microscope with respect to a section of the individual toner particles, in which an arithmetic average value of a ratio (L/W) of a major axis (L) to a minor axis (W) of individual domains is 1.5 to 5.0, and domains having the major axis (L) of 60 to 500 nm account for not less than 80% by number of total domains and domains having the minor axis (W) of 45 to 100 nm account for not less than 80% by number of total domains.

Abstract translation: 公开了一种图像形成方法，包括转印和固定步骤，其中通过定影装置进行定影，其中加热构件和加压构件中的至少一个包括夹在多个辊上的环形带，加热构件和加压构件 构件彼此压靠以形成定影辊隙，并且其中调色剂颗粒包含具有由形成区域的高弹性树脂构成的区域/基体结构的粘合剂树脂和在弹性图像中形成基质的低弹性树脂 通过原子力显微镜相对于单个调色剂颗粒的一部分观察调色剂颗粒时获得的，其中长轴（L）与短轴（W）的比率（L / W）的算术平均值 的单畴为1.5〜5.0，长轴（L）为60〜500nm的畴占总域的数量不少于80％，短轴（W）为45〜100nm的畴为 不是 ss占总域数的80％。

公开(公告)号：US20110207045A1

公开(公告)日：2011-08-25

申请号：US13024759

申请日：2011-02-10

Applicant: Anju HORI ,  Shigenori KOUNO ,  Asao MATSUSHIMA ,  Noboru UEDA ,  Kentarou MOGI

Inventor： Anju HORI ,  Shigenori KOUNO ,  Asao MATSUSHIMA ,  Noboru UEDA ,  Kentarou MOGI

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G5/14734 ,  G03G9/09321 ,  G03G9/09364 ,  G03G9/09392

Abstract: A toner for electrostatic latent image development is disclosed, comprising a binder resin which comprises a resin A comprising a copolymer comprised of at least a styrenic monomer unit and a (meth)acrylic monomer unit and a resin B comprising a copolymer comprised of at least a methacrylate monomer unit and a radical-polymerizable monomer unit containing plural carboxyl groups, and a total amount of the methacrylate monomer unit and the radical-polymerizable monomer unit containing plural carboxyl groups accounts for not less than 70% by mass and not more than 95% by mass of all monomer units forming the copolymer of the resin B.

Abstract translation: 公开了一种用于静电潜像显影的调色剂，其包含粘合剂树脂，其包含包含至少一种苯乙烯类单体单元和（甲基）丙烯酸类单体单元的共聚物的树脂A和包含至少一种 甲基丙烯酸酯单体单元和含有多个羧基的自由基聚合性单体单元，含有多个羧基的甲基丙烯酸酯单体单元和可自由基聚合性单体单元的总量不小于70质量％且不大于95％ 的所有单体单元形成树脂B的共聚物。

公开(公告)号：US20080138733A1

公开(公告)日：2008-06-12

申请号：US11867315

申请日：2007-10-04

Applicant: Noboru UEDA ,  Asao MATSUSHIMA ,  Go YAMAGUCHI

Inventor： Noboru UEDA ,  Asao MATSUSHIMA ,  Go YAMAGUCHI

IPC: G03G9/087

CPC classification number: G03G9/08782 ,  G03G9/0806 ,  G03G9/0825 ,  G03G9/08726 ,  G03G9/08733 ,  G03G9/08795 ,  G03G9/08797

Abstract: A toner for developing an electrostatic image is disclosed. The toner has softening point Tsp of from 90° C. to 110° C., and the toner satisfies the relation of 0.02≦(Sw/S)×100≦10, Sw being an area of a wax domain having largest diameter among wax domains at a cross section of the toner particle, and S being entire area of the cross section of the toner particle.

Abstract translation: 公开了用于显影静电图像的调色剂。 调色剂的软化点Tsp为90℃至110℃，调色剂满足0.02 <=（Sw / S）×100 <= 10的关系，Sw为直径最大的蜡区域的面积 调色剂颗粒的横截面处的蜡区域，S是调色剂颗粒的横截面的整个区域。

公开(公告)号：US20120264046A1

公开(公告)日：2012-10-18

申请号：US13446427

申请日：2012-04-13

Applicant: Junya ONISHI ,  Shiro HIRANO ,  Satoshi UCHINO ,  Noboru UEDA ,  Shinya OBARA

Inventor： Junya ONISHI ,  Shiro HIRANO ,  Satoshi UCHINO ,  Noboru UEDA ,  Shinya OBARA

IPC: G03G9/093

CPC classification number: G03G9/09328 ,  G03G9/09364 ,  G03G9/09392

Abstract: Disclosed is a toner for electrostatic image development that satisfies both low-temperature fixing ability and excellent high-temperature storage stability, achieves excellent charge property and shatter resistance, and consequently can form a high-quality image even by a high-performance machine such as a high-speed machine.The toner is composed of toner particles obtained by forming a shell layer containing a styrene-acryl-modified polyester resin on the surface of each of core particles comprising a binder resin containing at least a styrene-acrylic resin. The styrene-acryl-modified polyester resin is obtained bonding a styrene-acrylic polymer segment to a terminal of a polyester segment, and the content of the styrene-acrylic polymer segment in the styrene-acryl-modified polyester resin is 5% by mass or more and 30% by mass or less.

Abstract translation: 公开了一种静电图像显影用调色剂，其既满足低温定影性也具有优异的高温保存稳定性，可以获得优异的充电性和抗碎裂性，并且因此即使通过高性能机器也能形成高质量的图像，例如 一台高速机。 该调色剂由在包含至少含有苯乙烯 - 丙烯酸树脂的粘合剂树脂的每个核心颗粒的表面上形成含有苯乙烯 - 丙烯酸改性聚酯树脂的壳层而获得的调色剂颗粒组成。 得到苯乙烯 - 丙烯酸改性聚酯树脂，将苯乙烯 - 丙烯酸聚合物链段连接到聚酯链段的末端，苯乙烯 - 丙烯酸改性聚酯树脂中苯乙烯 - 丙烯酸聚合物链段的含量为5质量％ 多于30质量％以下。

公开(公告)号：US20130004890A1

公开(公告)日：2013-01-03

申请号：US13528401

申请日：2012-06-20

Applicant: Shinya OBARA ,  Tatsuya NAGASE ,  Noboru UEDA ,  Junya ONISHI ,  Tatsuya FUJISAKI ,  Kenshi MIYAJIMA

Inventor： Shinya OBARA ,  Tatsuya NAGASE ,  Noboru UEDA ,  Junya ONISHI ,  Tatsuya FUJISAKI ,  Kenshi MIYAJIMA

IPC: G03G9/093

CPC classification number: G03G9/09392 ,  G03G9/09328 ,  G03G9/09371

Abstract: A toner used for electrostatic latent image development which is excellent in fixing separability with maintaining sufficient low temperature fixability even in a high-speed machine and is also superior in crashing resistance, comprising toner particles, each comprising a core particle and a shell layer provided on the surface of the core particle, wherein the core particle comprises a binder resin containing a styrene-acrylic resin and a first styrene-acrylic modified polyester, and the shell comprises a second styrene-acrylic modified polyester resin.

Abstract translation: 用于静电潜像显影的调色剂，其即使在高速机器中也保持足够的低温定影性而具有优异的定影分离性，并且还具有优异的耐崩溃性，包括调色剂颗粒，每个调色剂颗粒包括设置在核心颗粒和壳层上的壳层 芯颗粒的表面，其中芯颗粒包含含有苯乙烯 - 丙烯酸树脂和第一苯乙烯 - 丙烯酸改性聚酯的粘合剂树脂，并且所述壳包含第二苯乙烯 - 丙烯酸改性聚酯树脂。

公开(公告)号：US20120021352A1

公开(公告)日：2012-01-26

申请号：US13187012

申请日：2011-07-20

Applicant: Masaharu MATSUBARA ,  Hiroyuki KOZURU ,  Noboru UEDA

Inventor： Masaharu MATSUBARA ,  Hiroyuki KOZURU ,  Noboru UEDA

IPC: G03G9/087

CPC classification number: G03G9/0806 ,  G03G9/08708 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

Abstract: Disclosed is a manufacturing method of toner which includes at least polyester resin and colorant, comprising the steps of: (A) dissolving, into an organic solvent, the polyester resin and ultrahigh molecular weight styrene resin in which a peak is present in a range larger than 500 thousands and smaller than 3 million in a molecular weight distribution, and preparing a binder resin solution; (B) dispersing the binder resin solution as binder resin solution droplets into an aqueous medium; (C) removing the organic solvent from the binder resin solution droplets, and preparing a resin particle dispersion; and (D) aggregating resin particles from which the organic solvent is removed and colorant particles containing the colorant with each other, and forming toner particles.

Abstract translation: 公开了一种至少包含聚酯树脂和着色剂的调色剂的制造方法，包括以下步骤：（A）将聚酯树脂和超高分子量苯乙烯树脂溶解在有机溶剂中，其中峰存在于更大的范围内 分子量分布超过500000，小于300万，制备粘合剂树脂溶液; （B）将作为粘合剂树脂溶液液滴的粘合剂树脂溶液分散到水性介质中; （C）从粘合剂树脂液滴中除去有机溶剂，制备树脂颗粒分散体; 和（D）将除去有机溶剂的树脂颗粒和含有着色剂的着色剂颗粒彼此聚集，并形成调色剂颗粒。

公开(公告)号：US20110294059A1

公开(公告)日：2011-12-01

申请号：US13113731

申请日：2011-05-23

Applicant: Kentarou MOGI ,  Noboru UEDA ,  Hiroyuki KOZURU

Inventor： Kentarou MOGI ,  Noboru UEDA ,  Hiroyuki KOZURU

IPC: G03G9/08

CPC classification number: G03G9/08764 ,  G03G9/08795

Abstract: Disclosed is a toner comprising at least a binder resin, a colorant and a polyurethane resin, wherein the polyurethane resin is a carboxy-denatured polyurethane resin.

Abstract translation: 公开了至少包含粘合剂树脂，着色剂和聚氨酯树脂的调色剂，其中聚氨酯树脂是羧基变性聚氨酯树脂。

公开(公告)号：US20080003512A1

公开(公告)日：2008-01-03

申请号：US11764942

申请日：2007-06-19

Applicant: Yoshiaki KOBAYASHI ,  Asao MATSUSHIMA ,  Noboru UEDA

Inventor： Yoshiaki KOBAYASHI ,  Asao MATSUSHIMA ,  Noboru UEDA

IPC: G03G13/04

CPC classification number: G03G15/01 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/0935 ,  G03G9/09364 ,  G03G9/09392

Abstract: An electrophotographic image forming method is disclosed, comprising forming a toner image, transferring the toner image onto a recording medium and fixing the transferred toner image in a fixing device comprising a heating roller, an endless belt pressed into contact with the heating roller, a pressing member pressing the inner side of the endless belt and an end pressing member to locally elastically deform the heating roller and provided downstream from the pressing member, wherein the toner comprises toner particles comprising a core containing a resin, a colorant and a releasing agent and a shell on, and the toner particles exhibiting an average of eight-point mean thickness of the shell of 100 to 300 nm and meeting a requirement of an average of Hmax/Hmin being less than 1.50, wherein Hmax is a maximum thickness of the shell and Hmin is a minimum thickness of the shell.

Abstract translation: 公开了一种电子照相图像形成方法，包括形成调色剂图像，将调色剂图像转印到记录介质上并将转印的调色剂图像定影在包括加热辊，与加热辊接触的环形带的定影装置中， 按压所述环形带的内侧的构件和端部按压构件，使所述加热辊局部弹性变形并设置在所述按压构件的下游，所述调色剂包含调色剂颗粒，所述调色剂颗粒包括含有树脂，着色剂和脱模剂的芯体， 壳体平均厚度为100〜300nm的平均厚度的调色剂颗粒，满足Hmax / Hmin平均值小于1.50的要求，其中Hmax是壳的最大厚度， Hmin是壳体的最小厚度。

公开(公告)号：US20090087770A1

公开(公告)日：2009-04-02

申请号：US12205100

申请日：2008-09-05

Applicant: Go YAMAGUCHI ,  Yoshiaki KOBAYASHI ,  Asao MATSUSHIMA ,  Noboru UEDA ,  Masaharu MATSUBARA

Inventor： Go YAMAGUCHI ,  Yoshiaki KOBAYASHI ,  Asao MATSUSHIMA ,  Noboru UEDA ,  Masaharu MATSUBARA

IPC: G03G9/087 ,  G03G9/08 ,  G03G9/09

CPC classification number: G03G9/0821 ,  G03G9/08724 ,  G03G9/08733 ,  G03G9/08797

Abstract: An electrophotographic toner is disclosed, meeting the requirement that G′ (60)/G′ (80) is from 1×102 to 1×104, where G′ (60) G′ (80) are each a storage modulus of the toner at 60° C. and 80° C., respectively; G′ (100)/G′ (130) is from 1 to 102, where G′ (100) and G′ (130) are each a storage modulus of the toner at 100° C. and 130° C., respectively; and G′ (10-130) is from 5×102 to 1×102 dyn/cm21 where G′ (100-130) is a storage modulus of the toner at a temperature of from 100 to 130° C.

Abstract translation: 公开了一种电子照相调色剂，其满足G'（60）/ G'（80）为1×102至1×10 4的要求，其中G'（60）G'（80）分别为调色剂在60℃的储能模量 和80℃; G'（100）/ G'（130）为1至102，其中G'（100）和G'（130）分别为调色剂在100℃和130℃的储能模量; 和G'（10-130）为5×102-1×102dyn / cm 21，其中G'（100-130）为调色剂在100-130℃温度下的储能模量。