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    Regeneration of carrier and electrophotographic developer containing regenerated carrier
    12.
    发明授权
    Regeneration of carrier and electrophotographic developer containing regenerated carrier 有权
    包含再生载体的载体和电子照相显影剂的再生

    公开(公告)号：US5965317A

    公开(公告)日：1999-10-12

    申请号：US225465

    申请日：1999-01-06

    申请人： Yuji Sato ,  Tsuyoshi Itagoshi ,  Toshio Honjo

    发明人： Yuji Sato ,  Tsuyoshi Itagoshi ,  Toshio Honjo

    IPC分类号： G03G9/10 ,  G03G9/113

    CPC分类号： G03G9/10 ,  G03G9/1136

    摘要： A method for regenerating a carrier coated with a silicone resin or a resin containing a silane coupling agent in an electrophotographic developer comprising the carrier and a toner, which comprises separating the developer into the carrier and the toner, immersing the separated carrier in an aqueous alkali solution, and stirring the mixture to remove the toner component adhered to the carrier surface and the coating resin.

    摘要翻译： 一种用于在包含载体的电子照相显影剂和调色剂中再生涂覆有硅树脂或含有硅烷偶联剂的树脂的载体的方法，其包括将显影剂分离成载体和调色剂，将分离的载体浸入碱水溶液中 溶液，并搅拌混合物以除去附着在载体表面和涂料树脂上的调色剂组分。

    Dry two-component type developer for electrophotography
    13.
    发明授权
    Dry two-component type developer for electrophotography 失效
    用于电子照相的干燥双组分型显影剂

    公开(公告)号：US06905806B2

    公开(公告)日：2005-06-14

    申请号：US10653598

    申请日：2003-09-02

    申请人： Takeshi Naito ,  Hiromichi Kobayashi ,  Tsuyoshi Itagoshi ,  Yuji Sato

    发明人： Takeshi Naito ,  Hiromichi Kobayashi ,  Tsuyoshi Itagoshi ,  Yuji Sato

    IPC分类号： G03G9/08 ,  G03G9/10 ,  G03G9/107 ,  G03G9/113 ,  G03G9/00

    CPC分类号： G03G9/00 ,  G03G9/0821 ,  G03G9/10 ,  G03G9/107

    摘要： A dry two-component developer for electrophotography comprising a carrier particle and a toner particle, wherein a toner water adsorption ratio (T) obtained by a following equation (1) for the toner particle ranges from 1.0 to 7.0 and a carrier water adsorption ratio (C) obtained by a following equation (2) is 20.0 or less, and a water adsorption ratio (T/C) expressed in a following equation (3) representing a relationship between the toner water adsorption ratio (T) and the carrier water adsorption ratio (C) is 5.0 or less; a toner water adsorption ratio (T)=a water adsorption amount (TH) of the toner particle/an N2 adsorption amount (TN) of the toner particle (1), a carrier water adsorption ratio (C)=a water adsorption amount (CH) of the carrier particle/an N2 adsorption amount (CN) of the carrier particle (2), and a water adsorption ratio (T/C)=a toner water adsorption ratio (T)/a carrier water adsorption ratio (C) (3).

    摘要翻译： 一种用于电子照相的干燥双组分显影剂，其包含载体颗粒和调色剂颗粒，其中调色剂颗粒通过下式（1）获得的调色剂水吸附比（T）为1.0至7.0，载体吸附率（ C）为20.0以下，表示调色剂吸附水（T）与载体吸附水之间的关系的下述式（3）表示的吸水率（T / C） 比（C）为5.0以下; 调色剂水吸附比（T）=调色剂颗粒的水吸附量（T H H H）/ N 2 N 2吸附量（T N N / N 调色剂颗粒（1）的载体吸附比（C）=载体颗粒的水吸附量（C SUB）> / N吸附量（C < 载体颗粒（2）的水分吸附比（T / C）=调色剂吸附率（T）/载体吸附水（C）（3））。

    Carrier core material, coated carrier, and two-component developing agent for electrophotography
    15.
    发明授权
    Carrier core material, coated carrier, and two-component developing agent for electrophotography 有权
    载体芯材料，涂层载体和用于电子照相的双组分显影剂

    公开(公告)号：US07553597B2

    公开(公告)日：2009-06-30

    申请号：US10773559

    申请日：2004-02-06

    申请人： Hiromichi Kobayashi ,  Issei Shinmura ,  Tsuyoshi Itagoshi ,  Yuji Sato

    发明人： Hiromichi Kobayashi ,  Issei Shinmura ,  Tsuyoshi Itagoshi ,  Yuji Sato

    IPC分类号： G03G9/107

    CPC分类号： G03G9/107 ,  G03G9/10 ,  G03G9/1136 ,  Y10T428/25

    摘要： A carrier core material containing at least one metal oxide (MLO) having a melting point of not higher than 1000° C. and at least one metal oxide (MHO) having a melting point of not lower than 1800° C., wherein the metal (MH) for constituting the metal oxide (MHO) has an electrical resistivity of not less than 10−5 Ω·cm. Also disclosed is a two-component developing agent comprising a coated carrier, which comprises the carrier core material coated with a resin, and toner particles. Further disclosed is an image forming method comprising developing an electrostatic latent image formed on a photosensitive member with the two-component developing agent using an alternating electric field. The carrier core material and the coated carrier have high magnetization and are free from occurrence of leakage of electric charge over a wide range of electric field from low electric field to high electric field. According to the two-component developing agent, an excellent image can be formed.

    摘要翻译： 一种载体芯材，其含有至少一种熔点不高于1000℃的金属氧化物（MLO）和至少一种熔点不低于1800℃的金属氧化物（MHO），其中金属 （MH）构成金属氧化物（MHO）的电阻率不小于10-5Ω·cm。 还公开了一种双组分显影剂，其包括涂覆载体，其包含涂覆有树脂的载体芯材料和调色剂颗粒。 进一步公开的是一种图像形成方法，其包括使用交变电场用双组分显影剂显影形成在感光构件上的静电潜像。 载体芯材和涂层载体具有高磁化强度，并且在从低电场到高电场的宽电场范围内不会发生电荷泄漏。 根据双组分显影剂，可以形成优异的图像。

    Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method
    16.
    发明授权
    Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method 有权
    载体芯材，涂布载体，用于电子照相的双组分显影剂和图像形成方法

    公开(公告)号：US07183033B2

    公开(公告)日：2007-02-27

    申请号：US10774045

    申请日：2004-02-06

    申请人： Issei Shinmura ,  Hiromichi Kobayashi ,  Tsuyoshi Itagoshi ,  Yuji Sato

    发明人： Issei Shinmura ,  Hiromichi Kobayashi ,  Tsuyoshi Itagoshi ,  Yuji Sato

    IPC分类号： G03G9/107 ,  G03G9/113

    CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1136

    摘要： A carrier core material for an electrophotographic developing agent, which comprises 100 parts by weight of a ferrite component represented by a formula (A) and 0.1 to 5.0 parts by weight of ZrO2 that is present in the ferrite component without forming a solid solution, and which has a magnetization, at 1000(103/4π·A/m), of 65 to 85 Am2/kg and an electrical resistance, at an applied voltage of 1000 V, of 105 to 109 Ω. (MnO)x(MgO)y(Fe2O3)z  (A) wherein x, y and z are each expressed in % by mol and are numbers satisfying the conditions of 40≦x≦60, 0.1≦y≦10 and x+y+z=100. Also disclosed is a two-component developing agent comprising a coated carrier, which is obtained by coating the above carrier core material with a resin, and toner particles. Further disclosed is an image forming method comprising developing an electrostatic latent image formed by the use of an alternating electric field, with the two-component developing agent. The carrier core material and the coated carrier have high magnetization and high resistance. According to the two-component developing agent of the invention, an excellent image can be formed.

    摘要翻译： 用于电子照相显影剂的载体芯材料包含100重量份由式（A）表示的铁氧体组分和0.1至5.0重量份存在于铁素体中的ZrO 2 N 2 在不形成固溶体的情况下，在1000（10 3 / 4pi.A / m）下具有65至85Am 2 / kg的磁化，并且 在1000V的施加电压下，电阻为10 5至10 9Ω。 （MnO）x（x）y（x）2（x） （A）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中x， y和z各自以摩尔％表示，并且是满足40 <= x <= 60,0.1 <= y <= 10和x + y + z = 100的条件的数字。 还公开了一种双组分显影剂，其包括通过用树脂涂覆上述载体芯材料和调色剂颗粒而获得的涂布载体。 进一步公开了一种图像形成方法，其包括使用双组分显影剂显影通过使用交变电场形成的静电潜像。 载体芯材和涂层载体具有高磁化强度和高电阻。 根据本发明的双组分显影剂，可以形成优异的图像。

    Carrier for electrophotographic developer and two-component electrophotographic developer
    18.
    发明申请
    Carrier for electrophotographic developer and two-component electrophotographic developer 失效
    用于电子照相显影剂和双组分电子照相显影剂的载体

    公开(公告)号：US20060121386A1

    公开(公告)日：2006-06-08

    申请号：US11296630

    申请日：2005-12-07

    申请人： Yoichi Kamikoriyama ,  Kenji Suzuoka ,  Takashi Nakashima ,  Kazuya Kinoshita ,  Yuji Sato ,  Hiromichi Kobayashi ,  Takeshi Gondo ,  Takashi Hikichi

    发明人： Yoichi Kamikoriyama ,  Kenji Suzuoka ,  Takashi Nakashima ,  Kazuya Kinoshita ,  Yuji Sato ,  Hiromichi Kobayashi ,  Takeshi Gondo ,  Takashi Hikichi

    IPC分类号： G03G9/113

    CPC分类号： G03G9/1135 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/113 ,  G03G9/1133 ,  G03G9/1136

    摘要： A carrier for electrophotographic developer comprises a resin carrier core comprising a binder resin and magnetic powder dispersed in the binder resin, and a coating layer comprising a coating resin on a surface of the core, the binder resin being a silicone resin obtained by curing of a polysiloxane compound (A) having an epoxy group and a polysiloxane compound (B) having a group capable of reacting with the epoxy group, due to a ring-opening addition reaction; the binder resin containing a functional group which is an epoxy group and/or a group capable of reacting with an epoxy group; the coating resin containing a functional group capable of reacting with the functional group of the binder resin; the functional group of the coating resin and the functional group of the binder resin forming a chemical bond.

    摘要翻译： 用于电子照相显影剂的载体包括：树脂载体芯，其包含分散在粘合剂树脂中的粘合剂树脂和磁粉，以及在芯的表面上包含涂布树脂的涂层，粘合剂树脂是通过固化 由于开环加成反应，具有环氧基的聚硅氧烷化合物（A）和具有与环氧基反应的基团的聚硅氧烷化合物（B） 含有作为环氧基的官能团和/或能够与环氧基反应的基团的粘合剂树脂; 所述涂料树脂含有能够与所述粘合剂树脂的官能团反应的官能团; 涂层树脂的官能团和粘合剂树脂的官能团形成化学键。

    Carrier for electrophotography developers, developer prepared by using the carrier and method for forming image
    20.
    发明授权
    Carrier for electrophotography developers, developer prepared by using the carrier and method for forming image 失效
    用于电子照相显影剂的载体，通过使用载体制备的显影剂和形成图像的方法

    公开(公告)号：US07288355B2

    公开(公告)日：2007-10-30

    申请号：US10861083

    申请日：2004-06-04

    申请人： Yoichi Kamikoriyama ,  Kenji Suzuoka ,  Takashi Nakashima ,  Kazuya Kinoshita ,  Yuji Sato ,  Hiromichi Kobayashi ,  Takeshi Gondo ,  Takashi Hikichi

    发明人： Yoichi Kamikoriyama ,  Kenji Suzuoka ,  Takashi Nakashima ,  Kazuya Kinoshita ,  Yuji Sato ,  Hiromichi Kobayashi ,  Takeshi Gondo ,  Takashi Hikichi

    IPC分类号： G03G9/107

    CPC分类号： G03G9/107 ,  G03G9/1131 ,  G03G9/1132 ,  G03G9/1135 ,  G03G9/1136 ,  G03G9/1137 ,  G03G9/1139

    摘要： Provided are a carrier for electrophotography developers prepared by generating a slight amount of byproducts such as water, alcohol, etc, which carrier is free from release of a magnetic powder, has excellent mechanical strength and durability, and good environmental stability, and further can restrain occurrence of toner spent condition and has favorable fluidity and excellent capability of imparting charging to a toner, a two-component developer comprising the carrier and a method for forming an image using the developer. The carrier for electrophotography developers comprises a magnetic powder dispersed binder resin, the binder resin material comprises (A) a polysiloxane compound having an epoxy group as a functional group and (B) a polysiloxane compound having a group capable of ring-opening addition reaction with the epoxy group of the polysiloxane compound (A), and the binder resin is a silicone resin prepared by curing with ring-opening addition reaction of the epoxy resin. The developer comprises the carrier for electrophotography developers and the toner particle. The method for forming an image comprises developing a static latent image by the developer with an alternating electric field.

    摘要翻译： 提供了通过产生少量副产物如水，醇等的电子照相显影剂的载体，其载体不释放磁粉，具有优异的机械强度和耐久性，以及良好的环境稳定性，并且还可以抑制 调色剂消耗状况的发生，并且具有良好的流动性和对调色剂充电的优异能力，包含载体的双组分显影剂和使用显影剂形成图像的方法。 用于电子照相显影剂的载体包括磁粉分散的粘合剂树脂，粘合剂树脂材料包含（A）具有环氧基作为官能团的聚硅氧烷化合物和（B）具有能够开环加成反应的基团的聚硅氧烷化合物 聚硅氧烷化合物（A）的环氧基和粘合剂树脂是通过环氧树脂的开环加成反应固化而制备的有机硅树脂。 显影剂包括用于电子照相显影剂的载体和调色剂颗粒。 形成图像的方法包括用交变电场显影显影剂的静电潜像。