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    Carrier for electrophotography and developer using the same
    2.
    发明授权
    Carrier for electrophotography and developer using the same 有权
    用于电子照相的载体和使用它的显影剂

    公开(公告)号：US06828075B2

    公开(公告)日：2004-12-07

    申请号：US10153627

    申请日：2002-05-24

    申请人： Kousuke Suzuki ,  Satoshi Mochizuki ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Minoru Masuda ,  Tomomi Tamura

    发明人： Kousuke Suzuki ,  Satoshi Mochizuki ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Minoru Masuda ,  Tomomi Tamura

    IPC分类号： G03G900

    CPC分类号： G03G9/1133 ,  G03G9/1136

    摘要： A carrier for electrophotographic developer comprising carrier particles, each carrier particle having at least one surface-coating layer by resin material, wherein the surface-coating layer containing an acrylic resin and a silicone resin, the acrylic resin is in an amount ranging 10 to 90 wt. % based on the total amount of resin coating ingredients. The carrier shows no accumulation of toner-spents, therefore can obtain a stable electric charge, and has no layer scraping in binder resin layer, therefore can obtain a stable electric resistance, hence occurs no deterioration of images reproduced, by using acrylic resin having high anti-abrasive and high surface energy, whereas it has strong adhesiveness and high fragility, in combination use of silicone resin having poor anti-abrasive and small adhesiveness but has low fragility, thus is hard to cause a toner spent and hard to integrate the spent constituents due to its low surface energy.

    摘要翻译： 包含载体颗粒的电子照相显影剂载体，每个载体颗粒具有至少一个树脂材料的表面涂层，其中含有丙烯酸树脂和有机硅树脂的表面涂层的丙烯酸树脂的量为10至90 重量 基于树脂涂料成分的总量％。 载体不显示调色剂的积累，因此可以获得稳定的电荷，并且在粘合剂树脂层中没有层刮擦，因此可以获得稳定的电阻，因此通过使用具有高的丙烯酸树脂而不会再现图像的劣化 耐磨性高，表面能高，而且具有很强的粘合性和高脆性，组合使用具有差的抗磨损性和粘合性小的有机硅树脂，但脆性低，因此很难使调色剂花费并难以整合 成分由于其低表面能。

    Dry toner for developing electrostatic images
    5.
    发明授权
    Dry toner for developing electrostatic images 有权
    用于显影静电图像的干燥调色剂

    公开(公告)号：US06861191B2

    公开(公告)日：2005-03-01

    申请号：US10059239

    申请日：2002-01-31

    申请人： Satoshi Mochizuki ,  Hideki Sugiura ,  Kazuhiko Umemura ,  Minoru Masuda ,  Kohsuke Suzuki ,  Tomomi Suzuki ,  Yasuo Asahina

    发明人： Satoshi Mochizuki ,  Hideki Sugiura ,  Kazuhiko Umemura ,  Minoru Masuda ,  Kohsuke Suzuki ,  Tomomi Suzuki ,  Yasuo Asahina

    IPC分类号： G03G9/087

    CPC分类号： G03G9/08753 ,  G03G9/08755

    摘要： A dry toner for developing electrostatic images, including a colorant and a binder resin which comprises a copolymer resin having (A) a polyol resin moiety having a main chain of polyoxyalkylene and obtained by reaction of (a) an epoxy resin, (b) a dihydric phenol, and (c) an alkylene oxide adduct of a dihydric phenol or a glycidyl ether thereof; and (B) a polyester resin moiety obtained by reacting an alkylene oxide adduct of a dihydric phenol or a glycidyl ether thereof with a polycarboxylic acid, wherein the weight ratio of the epoxy resin of the polyol resin moiety (A) to the polyester resin moiety (B) is 95:5 to 60:40, wherein the epoxy resin includes at least two kinds of bisphenol epoxy resins having different number-average molecular weights, and wherein the binder resin has an acid value of not greater than 5.

    摘要翻译： 一种用于显影静电图像的干燥调色剂，包括着色剂和粘合剂树脂，其包含共聚物树脂，其具有（A）具有聚氧化烯主链的多元醇树脂部分并通过（a）环氧树脂反应获得，（b） 二元酚，（c）二元酚或其缩水甘油醚的烯化氧加成物; 和（B）通过使二元酚或其缩水甘油醚的烯化氧加合物与多元羧酸反应得到的聚酯树脂部分，其中多元醇树脂部分（A）的环氧树脂与聚酯树脂部分的重量比 （B）为95:5〜60:40，其中环氧树脂包括至少两种具有不同数均分子量的双酚环氧树脂，其中粘合剂树脂的酸值不大于5。

    Toner, developer, image forming apparatus, process cartridge and image forming process
    6.
    发明授权
    Toner, developer, image forming apparatus, process cartridge and image forming process 有权
    调色剂，显影剂，成像设备，处理盒和成像过程

    公开(公告)号：US07169525B2

    公开(公告)日：2007-01-30

    申请号：US11184976

    申请日：2005-07-20

    申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Tomoko Utsumi ,  Koichi Sakata

    发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Tomoko Utsumi ,  Koichi Sakata

    IPC分类号： G03G9/08

    CPC分类号： G03G9/08782 ,  G03G9/0825

    摘要： The object of the present invention is to provide a toner which is excellent in shelf stability for a long term by producing the toner through controlling the dispersion condition of the wax around the toner surface and through improving, not only the off-set resistance of the toner for rendering the fixing properties of the toner advantageous, but also the blocking resistance of the toner, wherein the toner contains a binder resin, a colorant, and a wax, wherein the amount of the wax is 3% by mass to 21% by mass, and the amount of the wax which is present in the portion of the toner particle which is in the range of from the outermost surface to the depth of 0.3 μm in the toner particle is in a specified range, and at least a part of the wax is present as plural individual wax dispersion particles involved in the toner particles.

    摘要翻译： 本发明的目的是提供一种通过控制调色剂表面周围的蜡的分散状态来生产调色剂，从而长期保持稳定性的调色剂，并且不仅改善了 用于使调色剂的定影性能有利的调色剂，以及调色剂的抗粘连性，其中调色剂含有粘合剂树脂，着色剂和蜡，其中蜡的量为3质量％至21质量％ 质量，并且调色剂颗粒中存在于调色剂颗粒中的最外表面至0.3μm范围内的部分中的蜡的量在特定范围内，并且至少一部分 蜡作为调色剂颗粒中涉及的多个单独的蜡分散体颗粒存在。

    Toner for developing electrostatic image, developer, process for forming image, and image forming apparatus
    7.
    发明授权
    Toner for developing electrostatic image, developer, process for forming image, and image forming apparatus 有权
    用于显影静电图像，显影剂，用于形成图像的工艺的成色剂和成像设备

    公开(公告)号：US07163773B2

    公开(公告)日：2007-01-16

    申请号：US10644938

    申请日：2003-08-21

    申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Kazuhiko Umemura ,  Yasuo Asahina ,  Shinya Nakayama

    发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Kazuhiko Umemura ,  Yasuo Asahina ,  Shinya Nakayama

    IPC分类号： G03G9/087

    CPC分类号： G03G9/08755 ,  G03G9/0821 ,  G03G9/08793 ,  G03G9/093 ,  G03G9/09328

    摘要： Spherical toners having excellent fusibility are disclosed. The toners are fusible at low temperatures and are excellent in preservability and therefore charge properties, flowability, and transferability do not deteriorate. The toners contain a colorant and a nitrogen-containing polyester resin, in which the concentration of nitrogen at the surface of toner particles is higher than the concentration of nitrogen of the entire particles. The ratio of the surface concentration to the overall concentration is from 1.2 to 10. Additionally, the nitrogen-containing resin is preferably a polyester resin modified by urea bonds. Also, it is preferred that the toner particles are substantially spherical having an average sphericity E of from 0.90 to 0.99.

    摘要翻译： 公开了具有优异熔融性的球形调色剂。 调色剂在低温下易熔融，保存性优异，因此充电性，流动性和转印性不劣化。 调色剂含有着色剂和含氮聚酯树脂，其中调色剂颗粒表面的氮浓度高于整个颗粒的氮浓度。 表面浓度与总浓度的比例为1.2〜10。另外，含氮树脂优选为通过脲键改性的聚酯树脂。 此外，优选调色剂颗粒基本上为球形，其平均球形度E为0.90至0.99。