公开(公告)号：US08586278B2

公开(公告)日：2013-11-19

申请号：US13272558

申请日：2011-10-13

申请人： Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Kenji Hayashi ,  Saburou Hiraoka ,  Tomoko Mine

发明人： Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Kenji Hayashi ,  Saburou Hiraoka ,  Tomoko Mine

IPC分类号： G03G9/093

CPC分类号： G03G9/08755 ,  G03G9/0806 ,  G03G9/08793 ,  G03G9/08797 ,  G03G9/09321 ,  G03G9/09328 ,  G03G9/09371 ,  G03G9/09392

摘要： A method of producing an electrostatic image developing toner comprising toner particles comprising a binder resin containing at least a non-crystalline polyester resin having a crosslinking structure and a crystalline polyester resin, the method comprising the steps of (a-1) preparing a crystalline polyester resin particle aqueous dispersion liquid; (a-2) preparing a polymerizable unsaturated non-crystalline polyester resin aqueous dispersion liquid; (b) preparing crosslinking non-crystalline polyester resin particles by adding a radical polymerization initiator to the aqueous dispersion liquid of particles containing the non-crystalline polyester resin having a polymerizable unsaturated bond; (c) preparing core particles by aggregating at least the particles containing the crystalline polyester resin in an aqueous medium; and (d) preparing a shell layer containing the non-crystalline polyester resin having a crosslinking structure by fusing the particles containing the non-crystalline polyester resin having a crosslinking structure on surfaces of the core particles in an aqueous medium.

摘要翻译： 一种静电图像显影调色剂的制造方法，其包含调色剂颗粒，所述调色剂颗粒包含至少含有具有交联结构的非结晶性聚酯树脂和结晶性聚酯树脂的粘合剂树脂，所述方法包括以下步骤：（a-1）制备结晶聚酯 树脂颗粒水分散液; （a-2）制备聚合性不饱和非结晶性聚酯树脂水性分散液; （b）通过向包含具有聚合性不饱和键的非结晶性聚酯树脂的粒子的水性分散液中添加自由基聚合引发剂来制备交联的非结晶性聚酯树脂粒子; （c）通过在水性介质中至少聚集含有结晶性聚酯树脂的颗粒来制备芯颗粒; 和（d）通过在水性介质中将含有具有交联结构的非结晶性聚酯树脂的颗粒在芯颗粒的表面上熔融来制备含有具有交联结构的非结晶性聚酯树脂的壳层。

公开(公告)号：US08497059B2

公开(公告)日：2013-07-30

申请号：US13228030

申请日：2011-09-08

申请人： Tomomi Oshiba ,  Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Kenji Hayashi ,  Saburou Hiraoka ,  Tomoko Mine

发明人： Tomomi Oshiba ,  Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Kenji Hayashi ,  Saburou Hiraoka ,  Tomoko Mine

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A method of producing a toner comprising toner particles containing a binder resin composed of a non-crystalline polyester resin having a crosslinked structure and a crystalline polyester resin is disclosed, the method comparing steps of; a process to form an oil phase liquid by dissolving or dispersing a non-crystalline polyester resin having a polymerizable unsaturated double bond and a crystalline polyester resin in an organic solvent, a process to form an aqueous dispersion liquid of oil droplets of the oil phase liquid by dispersing the oil phase liquid in an aqueous medium, a process to form oil droplets containing the non-crystalline polyester resin having a crosslinked structure by adding a radical polymerization initiator to the aqueous dispersion liquid of oil droplets, and an organic solvent removing process to form toner particles by removing organic solvent.

摘要翻译： 公开了一种制造调色剂的方法，该调色剂包含由具有交联结构的非结晶性聚酯树脂和结晶性聚酯树脂构成的粘合剂树脂的调色剂颗粒。 通过将具有聚合性不饱和双键的非结晶性聚酯树脂和结晶性聚酯树脂溶解或分散在有机溶剂中来形成油相液体的方法，形成油相液体油滴的水性分散液的方法 通过将油相液体分散在水性介质中，通过向油滴的水性分散液中添加自由基聚合引发剂而形成含有具有交联结构的非结晶性聚酯树脂的油滴的工序，以及有机溶剂除去工序 通过除去有机溶剂形成调色剂颗粒。

公开(公告)号：US08642242B2

公开(公告)日：2014-02-04

申请号：US13281935

申请日：2011-10-26

申请人： Saburou Hiraoka ,  Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Kenji Hayashi ,  Tomoko Mine

发明人： Saburou Hiraoka ,  Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Kenji Hayashi ,  Tomoko Mine

IPC分类号： G03G9/087

CPC分类号： G03G9/08793 ,  G03G9/0806 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09328 ,  G03G9/09371

摘要： Provided is a method of manufacturing toner by which the toner capable of forming high quality images and reproducing high density gradation, which exhibits an excellent high-temperature offsetting property together with excellent low-temperature fixability, and provides appropriate gloss with respect to images to be formed, can be stably prepared; and also provided is the toner. After conducting a step in which particles made of at least a crystalline polyester resin are coagulated to form core coagulated particles, and an unsaturated amorphous polyester resin particle is attached onto the surface of each of the core coagulated particles to form core-shell type coagulated particles, radical polymerization reaction is conducted by acting a radical polymerization initiator on the foregoing core-shell type coagulated particles to conduct a step in which a layer made of a crosslinking amorphous polyester resin is formed on the surface of each of the core coagulated particles.

摘要翻译： 提供一种制造调色剂的方法，通过该调色剂能够形成高质量图像并再现高密度等级的调色剂，其具有优异的高温抵消性能以及优异的低温定影性，并且对于图像提供适当的光泽度 形成，可以稳定准备; 并且还提供了调色剂。 在进行由至少结晶性聚酯树脂制成的粒子凝固形成铁心凝固粒子的工序后，在各凝固粒子的表面上附着不饱和非晶质聚酯树脂粒子，形成核壳型凝固粒子 通过在上述核 - 壳型凝结粒子上进行自由基聚合引发剂进行自由基聚合反应，进行在每个芯凝固粒子的表面上形成由交联性无定形聚酯树脂构成的层的工序。

公开(公告)号：US08652728B2

公开(公告)日：2014-02-18

申请号：US13271477

申请日：2011-10-12

申请人： Tomoko Mine ,  Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Saburou Hiraoka

发明人： Tomoko Mine ,  Mikihiko Sukeno ,  Hajime Tadokoro ,  Ken Ohmura ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Saburou Hiraoka

IPC分类号： G03G9/00

CPC分类号： G03G9/08755 ,  G03G9/08711 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09321 ,  G03G9/09328 ,  G03G9/09364 ,  G03G9/09371

摘要： A toner comprising toner particles containing a binder resin comprising a crystalline polyester resin, a non-crystalline polyester resin and an acryl resin having a cross-link structure, and the acryl resin having a cross-link structure has a cross-link site derived from a crosslinking agent represented by the following formula (1): CH2═CR1—C(═O)O—Z—OC(═O)—CR2═CH2  Formula (1) wherein R1 and R2 are each a hydrogen atom or an alkyl group of 1 to 3 carbon atoms, and Z is a hydrocarbon group of 2 to 90 carbon atoms, provided that the hydrocarbon group may include an ether linkage, an ester linkage, a heterocyclic ring or a substituent.

摘要翻译： 包含含有结晶聚酯树脂，非结晶聚酯树脂和具有交联结构的丙烯酸树脂的粘合剂树脂的调色剂颗粒的调色剂和具有交联结构的丙烯酸树脂具有衍生自 由下式（1）表示的交联剂：CH2 = CR1-C（= O）OZ-OC（= O）-CR2 = CH2Formula（1）其中R1和R2各自为氢原子或1 至3个碳原子，Z为2-90个碳原子的烃基，条件是该烃基可包括醚键，酯键，杂环或取代基。

公开(公告)号：US08871419B2

公开(公告)日：2014-10-28

申请号：US13525579

申请日：2012-06-18

申请人： Saburou Hiraoka ,  Tomomi Oshiba ,  Mikihiko Sukeno ,  Tomoko Mine ,  Hitomi Motani ,  Tatsuya Nagase ,  Ken Ohmura

发明人： Saburou Hiraoka ,  Tomomi Oshiba ,  Mikihiko Sukeno ,  Tomoko Mine ,  Hitomi Motani ,  Tatsuya Nagase ,  Ken Ohmura

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/0804 ,  G03G9/0819 ,  Y10T137/0318 ,  Y10T137/0391

摘要： The toner for electrostatic image development has excellent charge properties, by which excellent toner particle size-controlling ability is achieved, and moreover the sharpening of a particle size distribution is achieved. The toner is composed of toner particles containing a binder resin. The process has an aggregating step of adding an aggregating agent containing a transition element into an aqueous medium of dispersed fine binder resin particles to aggregate the fine binder resin particles, and an aggregation-stopping step of adding an aggregation stopper composed on a sulfur atom-containing compound exhibiting a reducing action on the aggregating agent. The aggregating agent is a salt of a bivalent or higher metal selected from Sr, Ti, V, Cr, Mn, Fe, Co, Ni and Cu.

摘要翻译： 用于静电图像显影的调色剂具有优异的充电性能，通过该调色剂实现优异的调色剂粒度控制能力，并且还实现了粒度分布的锐化。 调色剂由含有粘合剂树脂的调色剂颗粒组成。 该方法具有将含有过渡元素的聚集剂添加到分散的细粘合剂树脂颗粒的水性介质中以聚集细粘合剂树脂颗粒的聚集步骤，以及聚集停止步骤， 对聚集剂具有还原作用的含氟化合物。 聚集剂是选自Sr，Ti，V，Cr，Mn，Fe，Co，Ni和Cu中的二价或更高级金属的盐。

公开(公告)号：US08507169B2

公开(公告)日：2013-08-13

申请号：US13406987

申请日：2012-02-28

申请人： Tomoko Mine ,  Mikihiko Sukeno ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Hiroyuki Kozuru ,  Saburou Hiraoka ,  Yoshiyasu Matsumoto ,  Kosuke Nakamura ,  Hitomi Motani ,  Takanari Kayamori

发明人： Tomoko Mine ,  Mikihiko Sukeno ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Hiroyuki Kozuru ,  Saburou Hiraoka ,  Yoshiyasu Matsumoto ,  Kosuke Nakamura ,  Hitomi Motani ,  Takanari Kayamori

IPC分类号： G03G9/08

CPC分类号： G03G9/1133 ,  G03G9/1138 ,  G03G9/1139

摘要： A two-component developer is disclosed, composing a toner comprising parent toner particles with an attached external additive and a carrier provided with a resin covering layer on a surface of a core particle, wherein the resin covering layer comprises a binder resin comprising an acrylic resin and when the resin covering layer is divided in half to a core particle side and a surface side, a nitrogen element content of the core particle side is larger than a nitrogen element content of the surface side.

摘要翻译： 公开了一种双组分显影剂，其包括具有附着的外部添加剂的母体调色剂颗粒和在芯颗粒的表面上设置有树脂覆盖层的载体的调色剂，其中所述树脂覆盖层包含粘合剂树脂，其包含丙烯酸树脂 并且当树脂被覆层被分成一半到芯粒子侧和表面侧时，核心粒子侧的氮元素含量​​大于表面侧的氮元素含量​​。

公开(公告)号：US08728701B2

公开(公告)日：2014-05-20

申请号：US13449405

申请日：2012-04-18

申请人： Tomoko Mine ,  Saburou Hiraoka ,  Tomomi Oshiba ,  Tatsuya Nagase

发明人： Tomoko Mine ,  Saburou Hiraoka ,  Tomomi Oshiba ,  Tatsuya Nagase

IPC分类号： G03G5/00

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/0827

摘要： The production process is a production process of a toner for electrostatic image development, which is composed of toner particles containing at least a binder resin. The process has an aggregating and fusion-bonding step of adding a aggregating agent containing polysilicato-iron into an aqueous medium in which fine binder resin particles formed of the binder resin have been dispersed, thereby aggregating the fine binder resin particles, and an aggregation stopper-adding step of adding an aggregation stopper composed of a polyvalent organic acid or a salt thereof. In the production process of the toner for electrostatic image development, the polyvalent organic acid or the salt thereof is preferably an amino acid or a salt thereof.

摘要翻译： 制造方法是静电图像显影用调色剂的制造方法，其由至少含有粘结剂树脂的调色剂颗粒构成。 该方法具有将含有聚硅酸铁的凝集剂添加到其中由粘合剂树脂形成的细粘合剂树脂颗粒已经分散的水性介质中的聚集和熔合步骤，从而聚集细粘合剂树脂颗粒和聚集塞 添加由多价有机酸或其盐组成的聚集塞子的添加步骤。 在静电图像显影用调色剂的制造方法中，多价有机酸或其盐优选为氨基酸或其盐。

公开(公告)号：US09012120B2

公开(公告)日：2015-04-21

申请号：US13693100

申请日：2012-12-04

申请人： Tomomi Oshiba ,  Tomoko Mine ,  Hitomi Motani ,  Saburou Hiraoka

发明人： Tomomi Oshiba ,  Tomoko Mine ,  Hitomi Motani ,  Saburou Hiraoka

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/0802 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795

摘要： The production process is a process for producing a toner for electrostatic image development. The process has an aggregating step of adding an aggregating agent composed of a compound having a divalent or trivalent metal element into a dispersion with fine particles of a binder resin dispersed in an aqueous medium, and an aggregation terminating step of adding an aggregation terminating agent into the dispersion. The aggregation terminating agent is composed of a compound having at least one of a structure (1) represented by a formula (1) and a structure (2) represented by a formula (2). In the formulae (1) and (2), R1 to R9 each independently represent a hydrogen atom, a hydroxy group or an organic group. At least one of R1 and R4 or at least one of R5 and R6 represents a hydroxy group.

摘要翻译： 生产过程是用于生产用于静电图像显影的调色剂的方法。 该方法具有聚集步骤，将由具有二价或三价金属元素的化合物组成的聚集剂添加到分散于分散于水性介质中的粘合剂树脂的细颗粒的分散体中，以及聚集终止步骤，将聚集终止剂加入 分散体。 聚集终止剂由具有由式（1）表示的结构（1）和由式（2）表示的结构（2））中的至少一种的化合物组成。 在式（1）和（2）中，R 1至R 9各自独立地表示氢原子，羟基或有机基团。 R 1和R 4中的至少一个或R 5和R 6中的至少一个表示羟基。

公开(公告)号：US20140011132A1

公开(公告)日：2014-01-09

申请号：US13693100

申请日：2012-12-04

申请人： Tomomi Oshiba ,  Tomoko Mine ,  Hitomi Motani ,  Saburou Hiraoka

发明人： Tomomi Oshiba ,  Tomoko Mine ,  Hitomi Motani ,  Saburou Hiraoka

IPC分类号： G03G9/08

CPC分类号： G03G9/0802 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795

摘要： The production process is a process for producing a toner for electrostatic image development. The process has an aggregating step of adding an aggregating agent composed of a compound having a divalent or trivalent metal element into a dispersion with fine particles of a binder resin dispersed in an aqueous medium, and an aggregation terminating step of adding an aggregation terminating agent into the dispersion. The aggregation terminating agent is composed of a compound having at least one of a structure (1) represented by a formula (1) and a structure (2) represented by a formula (2). In the formulae (1) and (2), R1 to R9 each independently represent a hydrogen atom, a hydroxy group or an organic group. At least one of R1 and R4or at least one of R5 and R6 represents a hydroxy group.

摘要翻译： 生产过程是用于生产用于静电图像显影的调色剂的方法。 该方法具有聚集步骤，将由具有二价或三价金属元素的化合物组成的聚集剂添加到分散于分散于水性介质中的粘合剂树脂的细颗粒的分散体中，以及聚集终止步骤，将聚集终止剂加入 分散体。 聚集终止剂由具有由式（1）表示的结构（1）和由式（2）表示的结构（2））中的至少一种的化合物组成。 在式（1）和（2）中，R 1至R 9各自独立地表示氢原子，羟基或有机基团。 R 1和R 4中的至少一个R 5和R 6中的至少一个表示羟基。

公开(公告)号：US08785100B2

公开(公告)日：2014-07-22

申请号：US13727980

申请日：2012-12-27

申请人： Hitomi Motani ,  Tomoko Mine ,  Tomomi Oshiba

发明人： Hitomi Motani ,  Tomoko Mine ,  Tomomi Oshiba

IPC分类号： G03G9/113

CPC分类号： G03G9/08 ,  G03G9/107 ,  G03G9/113 ,  G03G9/1133

摘要： The present invention relates to a two-component developer which comprises a toner, and a carrier having a surface of a core material particle coated with a resin having a unit of general formula (1). The present invention provides a two-component developer which has enhanced environmental stability of carrier charging performance.

摘要翻译： 本发明涉及包含调色剂的双组分显影剂和具有用具有通式（1）单元的树脂涂覆的芯材颗粒的表面的载体。 本发明提供了具有增强载体充电性能的环境稳定性的双组分显影剂。