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1. 发明申请

US20150277257A1 LIQUID DEVELOPER AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：液体开发商及其制造方法
公开(公告)号：US20150277257A1
公开(公告)日：2015-10-01
申请号：US14431004
申请日：2013-09-11
申请人： Konica Minolta, Inc.
发明人： Yukiko Uno , Satoshi Matsumoto , Naoki Yoshie , Miyuki Hotta
IPC分类号： G03G9/13 , G03G9/08
CPC分类号： G03G9/13 , G03G9/0804 , G03G9/093 , G03G9/12
摘要： A liquid developer in which toner particles are dispersed in an insulating liquid, the toner particles having such a core-shell structure that shell particles containing a shell resin are attached to or cover surfaces of core particles containing a core resin, the core resin having an acid group and an acid dissociation constant not smaller than 2.90 and not greater than 8.00, and a method for manufacturing the same are provided. The toner particles can have a volume average particle size not smaller than 0.01 μm and not greater than 100 μm and a coefficient of variation of volume distribution not lower than 1% and not higher than 100%. This liquid developer has excellent fixability which allows adaptation to various recording materials, can be fixed in a wide temperature range, and is extremely low in deterioration in fixability during storage.
摘要翻译：其中调色剂颗粒分散在绝缘液体中的液体显影剂，具有壳壳结构的调色剂颗粒包含壳树脂的壳颗粒附着或覆盖包含芯树脂的芯颗粒的表面，芯树脂具有酸基，酸解离常数不小于2.90且不大于8.00，并提供其制造方法。调色剂颗粒可以具有不小于0.01μm且不大于100μm的体积平均粒径，并且体积分布的变异系数不低于1％且不高于100％。这种液体显影剂具有优异的定影性，其可适应各种记录材料，可以在宽的温度范围内固定，并且在保存期间定影性的劣化极低。

2. 发明授权

US10007207B2 Liquid developer and method for manufacturing the same 有权
公开(公告)号：US10007207B2
公开(公告)日：2018-06-26
申请号：US14431004
申请日：2013-09-11
申请人： Konica Minolta, Inc.
发明人： Yukiko Uno , Satoshi Matsumoto , Naoki Yoshie , Miyuki Hotta
IPC分类号： G03G9/13 , G03G9/093 , G03G9/12 , G03G9/08
CPC分类号： G03G9/13 , G03G9/0804 , G03G9/093 , G03G9/12
摘要： A liquid developer in which toner particles are dispersed in an insulating liquid, the toner particles having such a core-shell structure that shell particles containing a shell resin are attached to or cover surfaces of core particles containing a core resin, the core resin having an acid group and an acid dissociation constant not smaller than 2.90 and not greater than 8.00, and a method for manufacturing the same are provided. The toner particles can have a volume average particle size not smaller than 0.01 μm and not greater than 100 μm and a coefficient of variation of volume distribution not lower than 1% and not higher than 100%. This liquid developer has excellent fixability which allows adaptation to various recording materials, can be fixed in a wide temperature range, and is extremely low in deterioration in fixability during storage.

3. 发明授权

US09395640B2 Liquid developer 有权
标题翻译：液体显影剂
公开(公告)号：US09395640B2
公开(公告)日：2016-07-19
申请号：US14306278
申请日：2014-06-17
申请人： KONICA MINOLTA, INC.
发明人： Naoki Yoshie , Masahiro Anno , Yukiko Uno , Masaaki Oka
IPC分类号： G03G9/13 , G03G9/125
CPC分类号： G03G9/132 , G03G9/125
摘要： A liquid developer includes an insulating liquid and toner particles dispersed in the insulating liquid. The insulating liquid has a flash point not lower than 100° C. The toner particles contain a resin, and the resin contains 80 mass % or more of a first resin containing a component derived from a polyester resin. A solid content of the liquid developer corresponding to a portion of the liquid developer excluding the insulating liquid satisfies relation of G′(T0)/G′(T0+10)≧10 (50° C.≦T0≦70° C.), where G′(T0) represents a storage elastic modulus at a temperature T0 (° C.) and G′(T0+10) represents a storage elastic modulus at a temperature (T0+10) (° C.).
摘要翻译：液体显影剂包括绝缘液体和分散在绝缘液体中的调色剂颗粒。绝缘液体的闪点不低于100℃。调色剂颗粒含有树脂，并且树脂含有80质量％以上的含有源自聚酯树脂的成分的第一树脂。对应于除了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满足G'（T0）/ G'（T0 + 10）≥10（50℃＆lt; 1; T0＆nlE; 70℃）的关系。），其中G'（T0）表示在温度T0（℃）下的储能弹性模量，G'（T0 + 10）表示在温度（T0 + 10）（℃）下的储能弹性模量。

4. 发明授权

US09023571B2 Liquid developer 有权
标题翻译：液体显影剂
公开(公告)号：US09023571B2
公开(公告)日：2015-05-05
申请号：US14036854
申请日：2013-09-25
申请人： Konica Minolta, Inc.
发明人： Chiaki Yamada , Masahiro Anno , Yukiko Uno , Satoshi Matsumoto
IPC分类号： G03G9/12 , G03G9/13
CPC分类号： G03G9/132 , G03G9/122
摘要： A liquid developer of the present invention includes a toner particle and an insulating liquid, the toner particle including a resin and a pigment, the resin including a polyester resin, the pigment including a first pigment, a second pigment, and a third pigment, the first pigment being a carbon black, 10 to 25 mass % of the first pigment being included in the toner particle, the second pigment being nigrosine, 3 to 15 mass % of the second pigment being included in the toner particle, the third pigment being at least one organic pigment selected from a group consisting of a phthalocyanine blue pigment, a phthalocyanine green pigment, a carmine-based pigment, a naphthol-based pigment, a quinacridon-based pigment, an azo-based pigment, a benzimidazolone-based pigment, and an isoindoline-based pigment, 5 to 20 mass % of the third pigment being included in the toner particle.
摘要翻译：本发明的液体显影剂包括调色剂颗粒和绝缘液体，所述调色剂颗粒包括树脂和颜料，所述树脂包括聚酯树脂，所述颜料包括第一颜料，第二颜料和第三颜料，第一颜料为炭黑，调色剂颗粒中包含10〜25质量％的第一颜料，第二颜料为苯胺黑，第三颜料中含有3〜15质量％的第二颜料，第三颜料为选自酞菁蓝颜料，酞菁绿颜料，胭脂红系颜料，萘酚系颜料，喹吖啶酮系颜料，偶氮系颜料，苯并咪唑酮系颜料，和异二氢吲哚系颜料，调色剂颗粒中含有5〜20质量％的第三颜料。

5. 发明授权

US09169414B2 Liquid developer and method for manufacturing the same 有权
标题翻译：液体显影剂及其制造方法
公开(公告)号：US09169414B2
公开(公告)日：2015-10-27
申请号：US14030262
申请日：2013-09-18
申请人： Konica Minolta, Inc.
发明人： Yukiko Uno , Satoshi Matsumoto , Naoki Yoshie , Kenji Hayashi
IPC分类号： G03G9/13 , C09D11/36 , G03G9/08 , C09D11/00 , C09D5/00
CPC分类号： C09D11/36 , C09D5/00 , C09D11/00 , C09D11/033 , C09D11/106 , C09D11/12 , G03G9/0804 , G03G9/0825 , G03G9/13 , G03G9/131 , G03G9/132
摘要： Toner particles contained in a liquid developer 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 satisfies Equations (1) to (2) below. In Equations (1) to (2) below, x represents a number average molecular weight of the second resin and y represents a urethane group concentration (mass %) in the second resin. −0.00003x+2.03≦y≦−0.00003x+6.95 Equation (1) 10000≦x≦50000 Equation (2)
摘要翻译：包含在液体显影剂中的调色剂颗粒具有核 - 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。第二树脂满足下述式（1）〜（2）。在下面的等式（1）至（2）中，x表示第二树脂的数均分子量，y表示第二树脂中的氨基甲酸酯基浓度（质量％）。 -0.00003x + 2.03＆nlE; y＆nlE; -0.00003x + 6.95等式（1）10000＆nlE; x＆nlE; 50000等式（2）

6. 发明授权

US09069276B2 Liquid developer 有权
标题翻译：液体显影剂
公开(公告)号：US09069276B2
公开(公告)日：2015-06-30
申请号：US14034625
申请日：2013-09-24
申请人： Konica Minolta, Inc.
发明人： Kenji Hayashi , Masahiro Anno , Yukiko Uno , Satoshi Matsumoto
IPC分类号： G03G9/13 , G03G9/12
CPC分类号： G03G9/122 , G03G9/13
摘要： A liquid developer is obtained by dispersing toner particles containing at least a resin and a coloring agent 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 coloring agent contains nigrosine. A content of nigrosine in the toner particles is not lower than 1 mass % and not higher than 20 mass %. The second resin satisfies Equations (1) to (2) below. In Equations (1) to (2), x represents a number average molecular weight of the second resin and y represents a urethane group concentration (mass %) in the second resin. −0.00003x+2.03≦y≦−0.00003x+6.95 Equation (1) 10000≦x≦60000 Equation (2)
摘要翻译：通过将包含至少一种树脂和着色剂的调色剂颗粒分散在绝缘液体中而获得液体显影剂。调色剂颗粒具有芯壳结构，其中含有第一树脂的第一树脂颗粒附着到或覆盖包含第二树脂的第二树脂颗粒的表面。着色剂含有苯胺黑。调色剂颗粒中苯胺黑的含量不低于1质量％且不高于20质量％。第二树脂满足下述式（1）〜（2）。在式（1）〜（2）中，x表示第二树脂的数均分子量，y表示第二树脂中的氨基甲酸酯基浓度（质量％）。 -0.00003x + 2.03＆nlE; y＆nlE; -0.00003x + 6.95等式（1）10000＆nlE; x＆nlE; 60000等式（2）

7. 发明授权

US09581925B2 Liquid developer and method for manufacturing the same 有权
标题翻译：液体显影剂及其制造方法
公开(公告)号：US09581925B2
公开(公告)日：2017-02-28
申请号：US14035147
申请日：2013-09-24
申请人： Konica Minolta, Inc.
发明人： Yukiko Uno , Satoshi Matsumoto , Naoki Yoshie , Chiaki Yamada
IPC分类号： G03G9/13
CPC分类号： G03G9/132 , G03G9/13 , G03G9/131 , G03G9/133
摘要： 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. Heat of fusion with differential scanning calorimetry of the second resin satisfies Equations (1) to (2) below. In Equations (1) to (2) below, H1 and H2 represent heats of fusion (J/g) at initial temperature increase and second temperature increase with differential scanning calorimetry of the second resin, respectively. 5≦H1≦70 Equation (1) 0.2≦H2/H1≦1.0 Equation (2)
摘要翻译：调色剂颗粒具有核 - 壳结构，其中包含第一树脂的第一树脂颗粒附着到或覆盖包含第二树脂的第二树脂颗粒的表面。第二树脂的差示扫描量热法的熔化热满足下述（1）〜（2）。在下面的等式（1）至（2）中，H1和H2分别表示初始温度升高时的熔化热（J / g）和第二树脂的差示扫描量热法的第二温度升高。 5＆nlE; H1＆nlE; 70等式（1）0.2＆nlE; H2 / H1＆nlE; 1.0等式（2）

8. 发明申请

US20140370436A1 LIQUID DEVELOPER 有权
标题翻译：液体开发商
公开(公告)号：US20140370436A1
公开(公告)日：2014-12-18
申请号：US14306278
申请日：2014-06-17
申请人： Konica Minolta, Inc.
发明人： Naoki YOSHIE , Masahiro Anno , Yukiko Uno , Masaaki Oka
IPC分类号： G03G9/13
CPC分类号： G03G9/132 , G03G9/125
摘要： A liquid developer includes an insulating liquid and toner particles dispersed in the insulating liquid. The insulating liquid has a flash point not lower than 100° C. The toner particles contain a resin, and the resin contains 80 mass % or more of a first resin containing a component derived from a polyester resin. A solid content of the liquid developer corresponding to a portion of the liquid developer excluding the insulating liquid satisfies relation of G′(T0)/G′(T0+10)≧10 (50° C.≦T0≦70° C.), where G′(T0) represents a storage elastic modulus at a temperature T0 (° C.) and G′(T0+10) represents a storage elastic modulus at a temperature (T0+10) (° C.).
摘要翻译：液体显影剂包括绝缘液体和分散在绝缘液体中的调色剂颗粒。绝缘液体的闪点不低于100℃。调色剂颗粒含有树脂，并且树脂含有80质量％以上的含有源自聚酯树脂的成分的第一树脂。对应于除了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满足G'（T0）/ G'（T0 + 10）≥10（50℃＆lt; 1; T0＆nlE; 70℃）的关系。），其中G'（T0）表示在温度T0（℃）下的储能弹性模量，G'（T0 + 10）表示在温度（T0 + 10）（℃）下的储能弹性模量。

9. 发明申请

US20140134537A1 LIQUID DEVELOPER 审中-公开
标题翻译：液体开发商
公开(公告)号：US20140134537A1
公开(公告)日：2014-05-15
申请号：US14074003
申请日：2013-11-07
申请人： Konica Minolta, Inc.
发明人： Chiaki YAMADA , Masahiro Anno , Sho Kim , Yukiko Uno
IPC分类号： G03G9/12
CPC分类号： G03G9/122 , G03G9/132
摘要： A liquid developer is characterized in that it includes toner particles and an insulating liquid, the toner particles include a resin and a pigment, the pigment includes a first pigment and a second pigment, the first pigment is carbon black, the second pigment is C.I. Pigment Brown 23 and/or C.I. Pigment Brown 25, and 20 to 60% by mass of the pigment is included relative to the toner particles.
摘要翻译：液体显影剂的特征在于其包括调色剂颗粒和绝缘液体，调色剂颗粒包括树脂和颜料，颜料包括第一颜料和第二颜料，第一颜料是炭黑，第二颜料是C.I. 颜料棕23和/或C.I. 相对于调色剂颗粒，包含颜料棕25和20〜60质量％的颜料。

10. 发明申请

US20140087304A1 LIQUID DEVELOPER AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：液体开发商及其制造方法
公开(公告)号：US20140087304A1
公开(公告)日：2014-03-27
申请号：US14035147
申请日：2013-09-24
申请人： Konica Minolta, Inc.
发明人： Yukiko Uno , Satoshi Matsumoto , Naoki Yoshie , Chiaki Yamada
IPC分类号： G03G9/13
CPC分类号： G03G9/132 , G03G9/13 , G03G9/131 , G03G9/133
摘要： 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. Heat of fusion with differential scanning calorimetry of the second resin satisfies Equations (1) to (2) below. In Equations (1) to (2) below, H1 and H2 represent heats of fusion (J/g) at initial temperature increase and second temperature increase with differential scanning calorimetry of the second resin, respectively. 5≦H1≦70 Equation (1) 0.2≦H2/H1≦1.0 Equation (2)
摘要翻译：调色剂颗粒具有核 - 壳结构，其中包含第一树脂的第一树脂颗粒附着到或覆盖包含第二树脂的第二树脂颗粒的表面。第二树脂的差示扫描量热法的熔化热满足下述（1）〜（2）。在下面的等式（1）至（2）中，H1和H2分别表示初始温度升高时的熔化热（J / g）和第二树脂的差示扫描量热法的第二温度升高。 5＆nlE; H1＆nlE; 70等式（1）0.2＆nlE; H2 / H1＆nlE; 1.0等式（2）

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