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    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGES
    11.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGES 有权
    用于开发静电影像的调色剂

    公开(公告)号：US20160282736A1

    公开(公告)日：2016-09-29

    申请号：US15060870

    申请日：2016-03-04

    Applicant: Konica Minolta, Inc.

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

    IPC: G03G9/087

    CPC classification number: G03G9/08711 ,  G03G9/0821 ,  G03G9/08755

    Abstract: A toner for developing electrostatic latent images contains a particulate toner which at least includes a colorant, a binder resin, a mold release agent, and a crystalline polyester resin. The binder resin contains a styrene-acrylic resin. The toner has a storage modulus G′, a difference (X) between the maximum value and the minimum value of the storage modulus G′, and a difference (Y) between the maximum value and the minimum value of a loss modulus G′ within the range of 140 to 180° C. satisfying relationships expressed by Conditional expressions (1) 1.0×102≦G′≦1.0×103, (2) 0≧X≧3.0×102, and (3) 0≦Y≦6.0×102.

    Abstract translation: 用于显影静电潜像的调色剂含有至少包括着色剂，粘合剂树脂，脱模剂和结晶聚酯树脂的颗粒调色剂。 粘合剂树脂含有苯乙烯 - 丙烯酸树脂。 调色剂具有储能模量G'，储能模量G'的最大值和最小值之间的差（X）以及损耗模量G'的最大值和最小值之间的差（Y） 满足由条件式（1）表示的关系的范围为140〜180℃，1.0×102≤G'≤1.0×103，（2）0≥X≥3.0×102，（3）0≤Y≤6.0× 102。

    TONER FOR DEVELOPING ELECTROSTATIC IMAGES AND METHOD OF PRODUCING TONER
    13.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC IMAGES AND METHOD OF PRODUCING TONER 有权
    用于开发静电图像的调色剂和生产调色剂的方法

    公开(公告)号：US20170038697A1

    公开(公告)日：2017-02-09

    申请号：US15213543

    申请日：2016-07-19

    Applicant: Konica Minolta, Inc.

    Inventor： Junya ONISHI ,  Shiro Hirano ,  Aya Shirai

    IPC: G03G9/087 ,  G03G9/08

    CPC classification number: G03G9/08755 ,  G03G9/0804 ,  G03G9/08711 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

    Abstract: Provided is a toner for developing electrostatic images containing toner particles. The toner particles contain a crystalline resin and an amorphous resin. The amorphous resin contains an amorphous vinyl resin component containing a polymer of monomers having a structure represented by formula (1). The content of a structural unit derived from the monomers in the toner particles is within a range of 2.4 to 13.5 mass %. H2C═CR1—COOR2   (1) In formula (1), R1 represents a hydrogen atom or a methyl group and R2 represents a branched alkyl group having a carbon number of 8 or more.

    Abstract translation: 式（1）中，R 1表示氢原子或甲基，R 2表示碳数为8以上的支链烷基。

    ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
    14.
    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)

    ELECTROSTATIC IMAGE DEVELOPING TONER
    15.
    发明申请
    ELECTROSTATIC IMAGE DEVELOPING TONER 有权
    静电图像显影剂

    公开(公告)号：US20160109818A1

    公开(公告)日：2016-04-21

    申请号：US14883167

    申请日：2015-10-14

    Applicant: Konica Minolta, Inc.

    Inventor： Aya SHIRAI ,  Tatsuya NAGASE ,  Junya ONISHI ,  Tatsuya FUJISAKI ,  Naoya TONEGAWA ,  Junichi FURUKAWA

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

    CPC classification number: G03G9/08755 ,  G03G9/0821 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/093 ,  G03G9/09335

    Abstract: An electrostatic image developing toner includes toner particles that contain coloring particles containing a binder resin, a coloring agent and a releasing agent. The binder resin includes an amorphous resin and a crystalline polyester resin. The toner satisfies Relations (1) and (2). ΔH1 is the amount of heat absorption based on a melting peak of the crystalline polyester resin in a first heating step. ΔH2 is the amount of heat absorption based on a melting peak of the crystalline polyester resin in a second heating step. ΔH0 is the value of the amount of heat absorption based on a melting peak of the crystalline polyester resin in the second heating step, multiplied by the ratio of the crystalline polyester introduced in the electrostatic image developing toner. 0.43

    Abstract translation: 静电图像显影调色剂包括含有着色颗粒的调色剂颗粒，所述着色颗粒含有粘合剂树脂，着色剂和脱模剂。 粘合剂树脂包括无定形树脂和结晶聚酯树脂。 调色剂满足关系（1）和（2）。 ＆Dgr; H1是在第一加热步骤中基于结晶性聚酯树脂的熔融峰的吸热量。 ＆Dgr; H2是在第二加热步骤中基于结晶聚酯树脂的熔融峰的吸热量。 ＆Dgr; H 0是基于第二加热步骤中的结晶性聚酯树脂的熔融峰的吸热量乘以静电图像显影调色剂中引入的结晶性聚酯的比例的值。 0.43 <＆Dgr; H1 /＆Dgr; H0 <0.95关系（1）：0.45 <＆Dgr; H2 /＆Dgr; H1 <1.20关系（2）：

    TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND PROCESS FOR PRODUCING THE SAME
    16.
    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 FOR ELECTROSTATIC IMAGE DEVELOPMENT
    17.
    发明申请
    TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT 有权
    静电图像发展的调色剂

    公开(公告)号：US20150227069A1

    公开(公告)日：2015-08-13

    申请号：US14616185

    申请日：2015-02-06

    Applicant: Konica Minolta, Inc.

    Inventor： Kouji SUGAMA ,  Hiroshi NAGASAWA ,  Anju HORI ,  Junya ONISHI ,  Noboru UEDA

    IPC: G03G9/087 ,  G03G9/08

    CPC classification number: G03G9/08733 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

    Abstract: Disclosed is a toner for electrostatic image development having excellent low-temperature fixability and high-temperature off-set resistance, attaining good image density, and having excellent homogeneity in image density. The toner comprises toner particles containing a binder resin which contains an amorphous resin (A) and an amorphous polyester resin (B) different from the resin (A) and a colorant, wherein the toner particles have a domain-matrix structure having the resin (B) as a domain phase dispersed in a matrix phase comprising the resin (A), and in a cross-sectional image of the toner particles, the number average domain diameter of the domain phase of the resin (B) having a domain diameter of 100 nm or more is 100 to 200 nm and an area ratio of the domain phase having a domain diameter of 500 nm or more relative to the total area of the domain phase is 0 to 10%.

    Abstract translation: 公开了一种用于静电图像显影的调色剂，其具有优异的低温定影性和高温脱模性，获得良好的图像密度，并且具有优异的图像浓度均匀性。 调色剂包括含有粘合剂树脂的调色剂颗粒，其含有不同于树脂（A）的无定形树脂（A）和无定形聚酯树脂（B）和着色剂，其中调色剂颗粒具有具有树脂的畴 - 基质结构（ B）作为分散在包含树脂（A）的基质相中的畴相，并且在调色剂颗粒的横截面图像中，具有畴直径的树脂（B）的畴相的数均域直径 100nm以上的范围为100〜200nm，相域相位域的总面积为500nm以上的畴相的面积比为0〜10％。

    ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER AND ELECTROSTATIC CHARGE IMAGE DEVELOPER
    20.
    发明申请
    ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER AND ELECTROSTATIC CHARGE IMAGE DEVELOPER 有权

    公开(公告)号：US20220326631A1

    公开(公告)日：2022-10-13

    申请号：US17656578

    申请日：2022-03-25

    Applicant: Konica Minolta, Inc.

    Inventor： Junya ONISHI ,  Tatsuya FUJISAKI ,  Kazumi OURA ,  Kaori FUJINO

    IPC: G03G9/087 ,  G03G9/097 ,  C08F212/08 ,  C08G63/16 ,  C08G63/183

    Abstract: Provided is an electrostatic charge image developing toner containing at least toner particles, wherein the toner particles contain an amorphous vinyl resin, an amorphous polyester resin, a crystalline polyester resin, and an ester wax; the crystalline polyester resin is a crystalline polyester resin obtained by polycondensation of a dicarboxylic acid having a number of carbon atoms in the range of 9 to 14 and a dialcohol having a number of carbon atoms in the range of 9 to 14; the amorphous polyester resin is an amorphous polyester resin containing a constituent unit derived from a dicarboxylic acid having a number of carbon atoms in the range of 9 to 14 or a dialcohol having a number of carbon atoms in the range of 9 to 14; and a sum of the number of carbon atoms of the dicarboxylic acid and the dialcohol is in the range of 18 to 24.

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