公开(公告)号：US20150227069A1

公开(公告)日：2015-08-13

申请号：US14616185

申请日：2015-02-06

申请人： Konica Minolta, Inc.

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

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/08733 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： 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%.

摘要翻译： 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％。

公开(公告)号：US20150331345A1

公开(公告)日：2015-11-19

申请号：US14811051

申请日：2015-07-28

申请人： Konica Minolta, Inc.

发明人： Koji SHIBATA ,  Hiroaki OBATA ,  Natsuko FUJISAKI ,  Anju HORI ,  Kishio TAMURA

IPC分类号： G03G11/00 ,  G03G9/087

CPC分类号： G03G11/00 ,  G03G9/08728

摘要： To provide a fixing solution and an image forming method in which faster fixing rate and faster drying rate can be achieved while the amount of fixing solution supplied is reduced and furthermore, a wet feeling in a formed image is reduced and an image having a high fixing strength can be formed.A fixing solution that softens a toner to fix a toner image constituted by the toner to an image support contains a hydroxyl group-containing ester compound expressed by general formula (1) below: R1—(CO)—O—R2  general formula (1): where R1 represents a linear or branched alkyl group having 6 to 11 carbon atoms, and R2 represents a linear or branched alkyl group having at least one hydroxyl group and 2 to 4 carbon atoms.

摘要翻译： 为了提供一种定影溶液和图像形成方法，其中可以减少定影液的供给量，同时减少定影液的量，同时可以实现更快的定影速度和更快的干燥速度，并且减少形成的图像的湿感和具有高定影性的图像 强度可以形成。 将调色剂软化以将由调色剂构成的调色剂图像固定在图像载体上的定影液含有下述通式（1）表示的含羟基的酯化合物：R1-（CO）-O-R2通式（1） ）：其中R1表示具有6至11个碳原子的直链或支链烷基，R2表示具有至少一个羟基和2至4个碳原子的直链或支链烷基。

公开(公告)号：US20160370721A1

公开(公告)日：2016-12-22

申请号：US15170441

申请日：2016-06-01

申请人： Konica Minolta, Inc.

发明人： KOUJI SUGAMA ,  Hiroshi NAGASAWA ,  Anju HORI ,  Noboru UEDA

IPC分类号： G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08728 ,  G03G9/08755

摘要： Provided is an electrostatic image developing toner comprising a toner base particle containing a binder resin and a releasing agent, wherein the binder resin comprises an amorphous vinyl resin and a crystalline polyester resin; a weight-average molecular weight of the electrostatic image developing toner is in the range of 50000 to 90000, when calculated from a chromatogram which represents a molecular weight distribution and is measured by gel permeation chromatography; a ratio of content of a resin component having a molecular weight of 100000 or more is in the range of 10 to 20% by area, in the chromatogram which represents the molecular weight distribution; the crystalline polyester resin has a melting point in the range of 65 to 85° C.; and, a ratio of content of the crystalline polyester resin in the binder resin is in the range of 5 to 20% by mass.

摘要翻译： 提供一种静电图像显影调色剂，其包含含有粘合剂树脂和脱模剂的调色剂基础颗粒，其中粘合剂树脂包括无定形乙烯基树脂和结晶聚酯树脂; 当由表示分子量分布的色谱图计算时，静电图像显影调色剂的重均分子量在50000-90000的范围内，并通过凝胶渗透色谱法测量; 在表示分子量分布的色谱图中，分子量为100000以上的树脂成分的含量比例在10〜20面积的范围内; 结晶性聚酯树脂的熔点在65〜85℃的范围内。 结晶性聚酯树脂在粘合剂树脂中的含量比在5〜20质量％的范围内。

公开(公告)号：US20160282741A1

公开(公告)日：2016-09-29

申请号：US15063930

申请日：2016-03-08

申请人： Konica Minolta, Inc.

发明人： Yasuko UCHINO ,  Junya ONISHI ,  Natsuko FUJISAKI ,  Anju HORI ,  Junya UEDA ,  Takaki KAWAMURA ,  Ikuko SAKURADA

IPC分类号： G03G9/10

CPC分类号： G03G9/10 ,  G03G9/0823 ,  G03G9/1133 ,  G03G9/1139 ,  G03G13/013 ,  G03G15/09 ,  G03G15/6585 ,  G03G2215/0135 ,  G03G2215/0607 ,  G03G2215/0609

摘要： The present invention relates to an image forming method of forming a color toner image and a white toner image using an image forming apparatus having a plurality of developing machines, in which the color toner image is formed using a color developer containing at least one color toner selected from the group consisting of a yellow toner, a magenta toner, and a cyan toner and a first carrier, the white toner image is formed using a white developer containing a white toner containing at least titanium oxide as a pigment and a second carrier, and formula (1) below is satisfied wherein Ic (μA) is a dynamic current value of the first carrier at 100 V and Iw (μA) is a dynamic current value of the second carrier at 100 V. According to the present invention, it is possible to suppress image unevenness of a color toner image and a white toner image on a recording medium. Iw

公开(公告)号：US20150362872A1

公开(公告)日：2015-12-17

申请号：US14722952

申请日：2015-05-27

申请人： Konica Minolta, Inc.

发明人： Takaki KAWAMURA ,  Yasuko UCHINO ,  Junya ONISHI ,  Natsuko FUJISAKI ,  Anju HORI ,  Junya UEDA ,  Ikuko SAKURADA

IPC分类号： G03G9/00

CPC分类号： G03G9/08795 ,  G03G7/00 ,  G03G9/08797 ,  G03G9/0902 ,  G03G15/6585

摘要： An image forming method includes: disposing a white toner image of a white toner and a colored toner image of a colored toner in the order named; and heat-fixing these toner images to a recording medium. The white toner and the colored toner satisfy the following relational expressions (1) and (2). In the expressions, G′0(w), G′10(w) and G′20(w) respectively represent storage moduli of the white toner 0 seconds after, 10 seconds after and 20 seconds after start of time variance measurement, and G′0(c), G′10(c) and G′20(c) respectively represent storage moduli of the colored toner 0 seconds after, 10 seconds after and 20 seconds after the start of time variance measurement. The storage moduli are obtained by the time variance measurement at 90° C. (G′10(c)/G′0(c))

摘要翻译： 图像形成方法包括：以所述顺序设置白色调色剂的白色调色剂图像和着色调色剂的着色调色剂图像; 并将这些调色剂图像热定影到记录介质上。 白色调色剂和着色调色剂满足以下关系式（1）和（2）。 在这些表达式中，G'0（w），G'10（w）和G'20（w）分别表示在开始时间方差测量之后的10秒钟和20秒之后白色调色剂的存储模量，以及 G'0（c），G'10（c）和G'20（c）分别表示在时间变化测量开始后10秒钟和20秒后有色调色剂的储存模量。 （G'10（c）/ G'0（c））<（G'10（w）/ G'0（w））关系式（1） ）：G'20（w）

公开(公告)号：US20160109819A1

公开(公告)日：2016-04-21

申请号：US14883214

申请日：2015-10-14

申请人： Konica Minolta, Inc.

发明人： Hiroshi NAGASAWA ,  Noboru UEDA ,  Kouji SUGAMA ,  Anju HORI ,  Keisuke ASANO

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/08755 ,  G03G9/0821

摘要： An electrostatic image developing toner includes toner particles that contain a binder resin and a coloring 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 from room temperature to 150° C. ΔH2 is the amount of heat absorption based on a melting peak of the crystalline polyester resin in a second heating step from 0° C. to 150° C. ΔH(theo.) is a value of fusion enthalpy calculated from a mass ratio of a structural unit derived from a linear aliphatic monomer contained in the binder resin based on a group contribution method. 0.2≦ΔH1/ΔH(theo.)≦0.5  Relation (1): 0.1≦ΔH2/ΔH(theo.)≦0.3  Relation (2):

摘要翻译： 静电图像显影调色剂包括含有粘合剂树脂和着色剂的调色剂颗粒。 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是在从室温至150℃的第一加热步骤中基于结晶聚酯树脂的熔融峰的吸热量。＆Dgr; H 2是基于结晶聚酯的熔融峰的吸热量 树脂在0℃至150℃的第二加热步骤中。H（theo。）是由源自基于粘合剂树脂的线性脂族单体的结构单元的质量比计算的熔融焓值 采用团体捐款方式。 0.2关系（1）：0.1＆nlE;＆Dgr; H2 /＆Dgr; H（theo。）＆nlE; 0.3关系（2）：

公开(公告)号：US20160054669A1

公开(公告)日：2016-02-25

申请号：US14807266

申请日：2015-07-23

申请人： Konica Minolta, Inc.

发明人： Anju HORI ,  Junya ONISHI ,  Yasuko UCHINO ,  Ikuko SAKURADA ,  Natsuko FUJISAKI ,  Junya UEDA ,  Takaki KAWAMURA

IPC分类号： G03G15/01 ,  G03G9/00

CPC分类号： G03G9/0827 ,  G03G9/0819 ,  G03G13/01 ,  G03G13/013 ,  G03G13/016 ,  G03G15/01 ,  G03G15/0168 ,  G03G15/0173

摘要： The invention provides an image formation method, a toner set, and a white toner, by which a masking function of an image layer formed by a white toner on a recording medium can be developed efficiently, and low temperature fixability can be improved. An image formation method for fixing an image forming layer (A) to be formed using a white toner, and an image forming layer (B) to be formed adjacent to the image forming layer (A) using a toner different from the white toner on a recording medium; wherein the following relational expressions (1) and (2) are satisfied: 1.000

摘要翻译： 本发明提供了一种图像形成方法，调色剂组合和白色调色剂，可以有效地开发由记录介质上的白色调色剂形成的图像层的掩蔽功能，并且可以提高低温定影性。 用于使用白色调色剂形成的图像形成层（A）和与图像形成层（A）相邻形成的图像形成层（B）的图像形成方法使用不同于白色调色剂的调色剂 记录介质; 其中满足以下关系式（1）和（2）：1.000