中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

25 records (took 0.023 seconds)

    ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
    3.
    发明申请
    ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER 审中-公开
    静电充电图像显影剂

    公开(公告)号：US20160357122A1

    公开(公告)日：2016-12-08

    申请号：US15171658

    申请日：2016-06-02

    Applicant: Konica Minolta, Inc.

    Inventor： Junya ONISHI ,  Tatsuya FUJISAKI ,  Hidehito HARUKI ,  Junichi FURUKAWA ,  Shiro HIRANO

    IPC: G03G9/087 ,  G03G9/08

    CPC classification number: G03G9/08755 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08728 ,  G03G9/08797 ,  G03G9/09725

    Abstract: Provided is an electrostatic charge image developing toner which is capable of forming high-quality images for a long time period.An electrostatic charge image developing toner, including at least a binder resin, a colorant, and a mold release agent, wherein a coefficient of variation of volume particle size distribution of the toner particles is 18% or less, and in a particle shape distribution analysis made using a flow type particle image analyzer, when an equivalent circle average particle diameter of the toner particles is designated as D (μm), an average aspect ratio of toner particles having an equivalent circle particle diameter in the range of (D−3) to (D−2) (μm) is designated as AR(L), and an average aspect ratio of toner particles having an equivalent circle particle diameter in the range of (D+3) to (D+4) (μm) is designated as AR(H), the relationship represented by the following Expression (1) is satisfied. [Expression 1] 0.110≦AR(L)−AR(H)≦0.250  (1)

    TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE
    4.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE 审中-公开
    用于开发静电荷图像的调色剂

    公开(公告)号：US20160259259A1

    公开(公告)日：2016-09-08

    申请号：US15051226

    申请日：2016-02-23

    Applicant: Konica Minolta, Inc.

    Inventor： Noboru UEDA ,  Shiro HIRANO

    IPC: G03G9/087

    CPC classification number: G03G9/08786

    Abstract: Provided is a means to exhibit excellent low temperature fixability and to improve all of the heat-resistant storage property of a toner, charging uniformity, and transferability under a high temperature and high humidity condition.A toner for developing electrostatic charge image which contains at least a binder resin, in which the binder resin has a core-shell structure having a core portion which contains a hybrid crystalline polyester resin formed by chemical bonds of a crystalline polyester resin unit with an amorphous resin unit other than a polyester resin and an amorphous resin and a shell portion which contains a hybrid amorphous polyester resin formed by chemical bonds of an amorphous polyester resin unit with an amorphous resin unit other than a polyester resin.

    Abstract translation: 提供了显示出优异的低温定影性并提高调色剂的全部耐热储存性，充电均匀性和在高温高湿条件下的转印性的方法。 一种用于显影静电荷图像的调色剂，其至少包含粘合剂树脂，其中所述粘合剂树脂具有核 - 壳结构，所述核 - 壳结构具有核心部分，所述芯 - 壳结构含有通过结晶聚酯树脂单元的化学键形成的混合结晶聚酯树脂， 除了聚酯树脂和无定形树脂以外的树脂单元和壳部分，其含有通过非晶形聚酯树脂单元与非聚酯树脂之外的无定形树脂单元的化学键形成的混合无定形聚酯树脂。

    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND PROCESS FOR PRODUCING THE SAME
    5.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND PROCESS FOR PRODUCING THE SAME 有权
    用于开发静电影像的调色剂及其制造方法

    公开(公告)号：US20160070188A1

    公开(公告)日：2016-03-10

    申请号：US14846038

    申请日：2015-09-04

    Applicant: Konica Minolta, Inc.

    Inventor： Tatsuya FUJISAKI ,  Junya ONISHI ,  Naoya TONEGAWA ,  Shiro HIRANO ,  Hidehito HARUKI ,  Tatsuya NAGASE

    IPC: G03G9/087 ,  G03G9/08

    CPC classification number: G03G9/08755 ,  G03G9/0806

    Abstract: The toner according to the present invention comprises a matrix phase composed of a vinyl resin, and domain phases composed of a non-crystalline polyester resin dispersed in the matrix phase, and a number-average domain diameter of the domain phases composed of the non-crystalline polyester resin is 30 to 150 nm. The toner satisfies relation represented by a specific requirement of the total area of the domain phases present in a surface layer area of the toner particle, and the total area of the domain phases present in areas other than the surface layer area, in a given cross-section of the toner particle.

    Abstract translation: 根据本发明的调色剂包括由乙烯基树脂构成的基体相和由分散在基体相中的非结晶性聚酯树脂构成的结晶相，以及由非晶态相组成的畴相的数均分子直径， 结晶性聚酯树脂为30〜150nm。 调色剂满足关于存在于调色剂颗粒的表面层区域中的畴相的总面积和存在于表面层以外的区域中的畴相的总面积的特定要求的关系 调色剂颗粒。

    TONER AND PROCESS FOR PRODUCING THE SAME
    6.
    发明申请
    TONER AND PROCESS FOR PRODUCING THE SAME 有权
    用于生产它的调色剂和方法

    公开(公告)号：US20160011532A1

    公开(公告)日：2016-01-14

    申请号：US14796530

    申请日：2015-07-10

    Applicant: Konica Minolta, Inc.

    Inventor： Mikio KOUYAMA ,  Hiroyuki FUKUDA ,  Shiro HIRANO ,  Asao MATSUSHIMA

    IPC: G03G9/087 ,  G03G9/08

    CPC classification number: G03G9/0806 ,  G03G9/08711 ,  G03G9/08764 ,  G03G9/08795 ,  G03G9/08797

    Abstract: The toner according to the present invention is used for electrostatic latent image development, and has toner particles containing a binder resin, a colorant and a release agent. The binder resin is composed of a non-crystalline resin and a crystalline resin. The toner satisfies the relationship represented by specific expressions specified by the endothermic property of the crystalline resin, the endothermic property of the toner and the content ratio of the binder resin in the toner particles.

    Abstract translation: 根据本发明的调色剂用于静电潜像显影，并且具有含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒。 粘合剂树脂由非结晶性树脂和结晶性树脂构成。 调色剂满足由结晶性树脂的吸热特性指定的特定表达式，调色剂的吸热性和调色剂颗粒中粘合剂树脂的含量比表示的关系。

    PROCESS FOR PRODUCING A TONER
    7.
    发明申请
    PROCESS FOR PRODUCING A TONER 有权

    公开(公告)号：US20170168407A1

    公开(公告)日：2017-06-15

    申请号：US15370134

    申请日：2016-12-06

    Applicant: Konica Minolta, Inc.

    Inventor： Junya ONISHI ,  Shiro HIRANO ,  Noboru UEDA ,  Kouji SUGAMA ,  Aya SHIRAI

    IPC: G03G9/08 ,  G03G9/093 ,  G03G9/087

    CPC classification number: G03G9/0804 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09328 ,  G03G9/09364 ,  G03G9/09392

    Abstract: The production process of the present invention includes: a first step of heating a dispersion containing an aqueous medium and a binder resin containing a crystalline resin to a temperature higher than or equal to the melting point of the crystalline resin in a step of aggregating and fusing a fine particle of the binder resin containing the crystalline resin to produce a toner base particle; a second step of cooling the dispersion having been heated in the first step and having a temperature higher than the recrystallization temperature Rc of the crystalline resin to a temperature lower than Rc at a temperature-lowering rate of 1° C./min or higher; and a third step of maintaining the dispersion having been cooled in the second step at a temperature higher than or equal to Rc−25° C. and lower than or equal to Rc−5° C. for 30 minutes or longer.

    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND MANUFACTURING METHOD THEREOF
    8.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND MANUFACTURING METHOD THEREOF 有权
    用于开发静电影像的调色剂及其制造方法

    公开(公告)号：US20150072285A1

    公开(公告)日：2015-03-12

    申请号：US14476090

    申请日：2014-09-03

    Applicant: Konica Minolta, Inc.

    Inventor： Junichi FURUKAWA ,  Shiro HIRANO ,  Kenshi MIYAJIMA ,  Naoya TONEGAWA ,  Asao MATSUSHIMA ,  Tatsuya NAGASE

    IPC: G03G9/08 ,  G03G9/087

    CPC classification number: G03G9/0827 ,  G03G9/0804 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08711 ,  G03G9/08755

    Abstract: According to one implementation, a toner includes a toner mother particle and a convex portion on a surface of the toner mother particle. The toner mother particle includes at least a resin (1). The convex portion is formed from a resin particle including at least a resin (2). An average value of a length of a long side of the convex portion is within a range of 0.1 to 0.5 μm. A ratio between a Young's modulus of a non-convex portion of the toner mother particle (ER (1)) and a Young's modulus of a convex portion of the toner mother particle (ER (2)) is a value (ER (1)/ER (2)) within the range of 1.2 to 2.0.

    Abstract translation: 根据一个实施方式，调色剂包括调色剂母粒子和调色剂母粒子表面上的凸起部分。 调色剂母粒包括至少一种树脂（1）。 凸部由至少包含树脂（2）的树脂颗粒形成。 凸部的长边的长度的平均值在0.1〜0.5μm的范围内。 调色剂母粒子（ER（1））的非凸部的杨氏模量与调色剂母粒子（ER（2））的凸部的杨氏模量之比为ER（1） / ER（2））在1.2至2.0的范围内。

    ELECTROSTATIC LATENT IMAGE DEVELOPING TONER
    9.
    发明申请
    ELECTROSTATIC LATENT IMAGE DEVELOPING TONER 有权
    静电图像显影剂

    公开(公告)号：US20150064616A1

    公开(公告)日：2015-03-05

    申请号：US14476035

    申请日：2014-09-03

    Applicant: Konica Minolta, Inc.

    Inventor： Kouji SEKIGUCHI ,  Tatsuya NAGASE ,  Shiro HIRANO ,  Junya ONISHI ,  Kenshi MIYAJIMA ,  Tatsuya FUJISAKI

    IPC: G03G9/08

    CPC classification number: G03G9/0825 ,  G03G9/08 ,  G03G9/0819 ,  G03G9/08704 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797

    Abstract: An electrostatic latent image developing toner includes a toner base particle which contains at least a binder resin, and has a domain-matrix structure, in which a matrix contains a styrene-acrylic resin, a domain contains an amorphous resin which is formed by combining a vinyl-based polymerized segment and a polyester-based polymerized segment, and the domain containing the amorphous resin and having a diameter of 100 nm or larger has a number-average domain diameter which falls in the range from 150 to 1000 nm.

    Abstract translation: 静电潜像显影调色剂包括至少含有粘合剂树脂的调色剂基体颗粒，并且具有其中基质含有苯乙烯 - 丙烯酸树脂的畴 - 基质结构，所述结构域含有通过将 乙烯基类聚合链段和聚酯类聚合链段，并且含有直径为100nm以上的非晶质树脂的结构域的平均畴直径为150〜1000nm的范围。

Patent Agency Ranking