公开(公告)号：US20190171138A1

公开(公告)日：2019-06-06

申请号：US16207608

申请日：2018-12-03

申请人： Konica Minolta Inc.

发明人： Naoki YOSHIE ,  Chiaki YAMADA

IPC分类号： G03G15/20

摘要： An image forming device includes: a fixing unit that fixes an image formed on a recording medium; a heating unit that heats a recording medium that has been subjected to a fixing process by the fixing unit; and a controller that sets a glossiness of an image on a recording medium, wherein the controller controls a heating amount with the heating unit depending on the set glossiness.

公开(公告)号：US20170277053A1

公开(公告)日：2017-09-28

申请号：US15267628

申请日：2016-09-16

申请人： Konica Minolta, Inc.

发明人： Junichi FURUKAWA ,  Tatsuya FUJISAKI ,  Naoki YOSHIE

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

CPC分类号： G03G9/08797 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/09328 ,  G03G9/09364 ,  G03G9/09371

摘要： A toner for developing an electrostatic image includes a toner particle. The toner particle includes a binder resin and a black colorant. The binder resin includes a crystalline resin component. A toner layer formed through a deposition of the toner on a glass sheet in an amount of 6.5 g/m2 exhibits a light transmittance of 1 to 3% at a wavelength of 690 nm after applying heat at a temperature of 185° C. for five seconds to the toner layer from a position 100 μm away from a surface of the toner layer.

公开(公告)号：US20170235261A1

公开(公告)日：2017-08-17

申请号：US15427620

申请日：2017-02-08

申请人： Konica Minolta, Inc.

发明人： Naoki YOSHIE ,  Chiaki YAMADA ,  Toru KIKUCHI

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/0132 ,  G03G2215/2032

摘要： A control unit is configured to control torque of a fixing motor and torque of a pressing motor such that tangential force at a part holding paper in cooperation with a fixing member in a pressing member is equal to or greater than tangential force at a part holding paper in cooperation with the pressing member in the fixing member, and that the relation between the tangential force at the part of the pressing member and the tangential force at the part of the fixing member changes in accordance with the smoothness of paper.

公开(公告)号：US20160085171A1

公开(公告)日：2016-03-24

申请号：US14857153

申请日：2015-09-17

申请人： Konica Minolta, Inc.

发明人： Naoki YOSHIE

IPC分类号： G03G9/13

CPC分类号： G03G9/132

摘要： A liquid developer contains an insulating liquid and toner particles dispersed in the insulating liquid. The toner particles have a resin and a coloring agent. The resin contains at least 5 mass % and at most 30 mass % of an aliphatic polyester resin and at least 70 mass % and at most 95 mass % of an aromatic polyester resin. A difference in acid value between the aliphatic polyester resin and the aromatic polyester resin is not less than 15 mgKOH/g and not more than 100 mgKOH/g.

摘要翻译： 液体显影剂含有分散在绝缘液体中的绝缘液体和调色剂颗粒。 调色剂颗粒具有树脂和着色剂。 该树脂含有脂肪族聚酯树脂的5质量％以上且30质量％以下的芳香族聚酯树脂的至少70质量％以及95质量％以下。 脂肪族聚酯树脂和芳香族聚酯树脂之间的酸值差不小于15mgKOH / g且不大于100mgKOH / g。

公开(公告)号：US20150086920A1

公开(公告)日：2015-03-26

申请号：US14488796

申请日：2014-09-17

申请人： Konica Minolta, Inc.

发明人： Naoki YOSHIE ,  Satoshi Matsumoto

IPC分类号： G03G9/13

CPC分类号： G03G9/131 ,  G03G9/09392 ,  G03G9/122 ,  G03G9/132

摘要： A resin in a liquid developer contains a first resin which is a urethane-modified polyester resin resulting from increase in chain length of a component derived from a polyester resin by a compound containing an isocyanate group and a second resin. The first resin is contained by not lower than 70 mass % with respect to a total of the first resin and the second resin. The component derived from the polyester resin includes a constitutional unit derived from an acid component and a constitutional unit derived from an alcohol component. A ratio of a constitutional unit derived from an aliphatic monomer occupied in the constitutional unit derived from the acid component and the constitutional unit derived from the alcohol component is not lower than 80 mass %. Relation of 2.3≦Mw/Mn≦4(10000≦Mn≦50000) is satisfied.

摘要翻译： 液体显影剂中的树脂包含第一树脂，其是通过含有异氰酸酯基的化合物和第二树脂增加衍生自聚酯树脂的成分的链长增加而得到的氨基甲酸酯改性的聚酯树脂。 第一树脂相对于第一树脂和第二树脂的总量不低于70质量％。 衍生自聚酯树脂的组分包括衍生自酸组分的结构单元和衍生自醇组分的结构单元。 来源于酸成分的结构单元中所含的脂肪族单体的构成单元与来自醇成分的结构单元的比例为80质量％以上。 满足2.3＆nlE的关系; Mw / Mn＆nlE; 4（10000＆nlE; Mn＆nlE; 50000）。

公开(公告)号：US20150072288A1

公开(公告)日：2015-03-12

申请号：US14481039

申请日：2014-09-09

申请人： Konica Minolta, Inc.

发明人： Nofumi MIZUMOTO ,  Naoki YOSHIE ,  Yuya IWAGOE ,  Satoshi MATSUMOTO

IPC分类号： G03G9/13

CPC分类号： G03G9/132 ,  G03G9/09307 ,  G03G9/09371 ,  G03G9/125

摘要： A liquid developer is obtained by dispersing toner particles containing a core resin, a shell resin different from the core resin, and a coloring agent in an insulating liquid. The core resin contains a crystalline urethane-modified polyester resin. A solid content of the liquid developer corresponding to a portion of the liquid developer excluding the insulating liquid has a storage elastic modulus at 80° C., not lower than 1×104 Pa and not higher than 5×106 Pa. A lowest temperature at the time when an absolute value of an amount of change in a logarithmic value (log(G′)) of a storage elastic modulus (G′) of the solid content of the liquid developer with respect to a temperature T (° C.) (|Δ log(G′)/ΔT|) satisfies an Equation (1) below is not lower than 45° C.: |Δ log(G′)/ΔT|>0.1  Equation (1).

摘要翻译： 通过将包含芯树脂，不同于芯树脂的壳树脂的调色剂颗粒和着色剂分散在绝缘液体中来获得液体显影剂。 核心树脂含有结晶聚氨酯改性的聚酯树脂。 对应于除绝缘液体以外的液体显影剂的一部分的液体显影剂的固体含量在80℃，不低于1×104Pa且不高于5×10 6 Pa的储能弹性模量为最低， 液体显影剂的固体成分相对于温度T（℃）的储能弹性模量（G'）的对数值（log（G'））的变化量的绝对值的绝对值的时间 （|＆Dgr; log（G'）/＆Dgr; T |）满足以下等式（1）不低于45°C：|＆Dgr; log（G'）/＆Dgr; T |> 0.1等式（1）。

公开(公告)号：US20140087302A1

公开(公告)日：2014-03-27

申请号：US14030394

申请日：2013-09-18

申请人： Konica Minolta, Inc.

发明人： Sho KIM ,  Satoshi MATSUMOTO ,  Naoki YOSHIE ,  Kenji HAYASHI

IPC分类号： G03G9/13 ,  G03G9/08

CPC分类号： G03G9/13 ,  G03G9/0804 ,  G03G9/131 ,  G03G9/132 ,  G03G9/133

摘要： In a liquid developer in which toner particles are dispersed in an insulating liquid, the toner particles have a core-shell structure that first resin particles containing a first resin are attached to or cover surfaces of second resin particles containing a second resin. The second resin particles further contain a pigment and a dispersant for pigment, and solubility of the dispersant for pigment in the insulating liquid is not higher than 10 mass % at 25° C.

摘要翻译： 在其中调色剂颗粒分散在绝缘液体中的液体显影剂中，调色剂颗粒具有核 - 壳结构，其中含有第一树脂的第一树脂颗粒附着或覆盖包含第二树脂的第二树脂颗粒的表面。 第二树脂颗粒还含有颜料和颜料用分散剂，绝缘液中颜料分散剂的溶解度在25℃下不高于10质量％

公开(公告)号：US20160085170A1

公开(公告)日：2016-03-24

申请号：US14855670

申请日：2015-09-16

申请人： KONICA MINOLTA, INC.

发明人： Keiko MOMOTANI ,  Masahiro ANNO ,  Naoki YOSHIE

IPC分类号： G03G9/13

CPC分类号： G03G9/132

摘要： A liquid developer contains an insulating liquid and toner particles dispersed in the insulating liquid. The toner particles have a resin and a coloring agent. The resin contains at least 10 mass % and at most 40 mass % of an aliphatic polyester resin and at least 60 mass % and at most 90 mass % of an aromatic polyester resin. The resin has an acid value not less than 20 mgKOH/g and not more than 100 mgKOH/g. A difference in acid value between the aliphatic polyester resin and the aromatic polyester resin is not less than 0 mgKOH/g and not more than 10 mgKOH/g.

摘要翻译： 液体显影剂含有分散在绝缘液体中的绝缘液体和调色剂颗粒。 调色剂颗粒具有树脂和着色剂。 该树脂含有脂肪族聚酯树脂的10质量％以上且40质量％以下，芳香族聚酯树脂为至少60质量％以上且最多为90质量％。 该树脂的酸值不低于20mgKOH / g且不大于100mgKOH / g。 脂肪族聚酯树脂和芳香族聚酯树脂之间的酸值差不小于0mgKOH / g且不大于10mgKOH / g。

公开(公告)号：US20150253683A1

公开(公告)日：2015-09-10

申请号：US14636258

申请日：2015-03-03

申请人： Konica Minolta, Inc.

发明人： Kunitomo SASAKI ,  Naoki YOSHIE ,  Masahiro ANNO

IPC分类号： G03G9/08 ,  G03G15/20

CPC分类号： G03G15/2053 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09321 ,  G03G9/09371 ,  G03G9/13 ,  G03G13/20 ,  G03G13/22 ,  G03G15/2064

摘要： An image formation method includes a step of preparing an electrostatic latent image developer, a transferring step, and a fixation step. The step of preparing an electrostatic latent image developer includes a step of preparing an electrostatic latent image developer containing toner particles having prescribed viscoelasticity characteristics. The fixation step includes steps of heating a recording medium and fixing the toner particles to the recording medium at a pressure not lower than 200 kPa and not higher than 800 kPa.

摘要翻译： 图像形成方法包括制备静电潜像显影剂，转印步骤和固定步骤的步骤。 制备静电潜像显影剂的步骤包括制备含有具有规定粘弹性特性的调色剂颗粒的静电潜像显影剂的步骤。 固定步骤包括加热记录介质并在不低于200kPa且不高于800kPa的压力下将调色剂颗粒固定在记录介质上的步骤。

公开(公告)号：US20150086919A1

公开(公告)日：2015-03-26

申请号：US14488348

申请日：2014-09-17

申请人： Konica Minolta, Inc.

发明人： Naoki YOSHIE ,  Keiichiro HIGASHI

IPC分类号： G03G9/13

CPC分类号： G03G9/132 ,  G03G9/0821 ,  G03G9/09392 ,  G03G9/122

摘要： A resin in a liquid developer contains 80 mass % or more of a urethane-modified polyester resin. A component derived from a polyester resin contains a constitutional unit derived from an acid component and a constitutional unit derived from an alcohol component. A ratio of a constitutional unit derived from an aliphatic monomer occupied in the constitutional unit derived from the acid component and the constitutional unit derived from the alcohol component is not lower than 90 mass %. Relation of |Tm1−Tm5|≧20° C. (70° C.≦Tm1≦170° C., 60° C.≦Tm5≦120° C.) is satisfied, where Tm1 (° C.) represents a softening temperature T1/2 of toner particles measured with a flow tester under a load of 1 kg and Tm5 (° C.) represents a softening temperature T1/2 of toner particles measured with a flow tester under a load of 5 kg.

摘要翻译： 液体显影剂中的树脂含有80质量％以上的氨基甲酸酯改性聚酯树脂。 衍生自聚酯树脂的组分含有由酸组分衍生的结构单元和衍生自醇组分的结构单元。 来源于酸成分的结构单元中所含的脂肪族单体的结构单元与来自醇成分的结构单元的比例为90质量％以上。 满足| Tm1-Tm5 |≥20℃（70℃＆lt; NlE; Tm1＆nlE; 170℃，60℃＆lt; Tm;＆lt; 120℃）的关系，其中Tm1（℃） 用流量计在1kg负荷和Tm5（℃）下测量的调色剂颗粒的软化温度T1 / 2表示用流动测试仪在5kg负荷下测量的调色剂颗粒的软化温度T1 / 2。