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1. 发明专利

JP2007047341A Method for regenerating carrier for two-component electrostatic charge image dry developer 审中-公开
标题翻译：用于再生载体的方法，用于双组分静电充电图像干燥开发
公开(公告)号：JP2007047341A
公开(公告)日：2007-02-22
申请号：JP2005230266
申请日：2005-08-09
申请人： Nankai Kogyo Kk , Powdertech Co Ltd , パウダーテック株式会社 , 南開工業株式会社
发明人： HAZAMA MOTOHARU , ISHIGAKI HIROSHI , ITAKOSHI TAKESHI , HONJO TOSHIO
IPC分类号： G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a method for regenerating a carrier for a two-component electrostatic charge image dry developer, by which spent toner on the carrier surface and resin coating the carrier surface can be completely removed and the initial characteristics can easily be recovered.
SOLUTION: The method for regenerating a carrier for a two-component electrostatic charge image dry developer aims to regenerate the carrier having resin coated on the surface of a core material, and is characterized in that a used two-component developer or a resin coated carrier obtained by separating a toner component by a toner removing process on the used developer is subjected to carbonization and then to decarbonization followed by characteristic processing.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于再生用于双组分静电荷图像干显影剂的载体的方法，通过该方法可以完全去除载体表面上的废调色剂和涂覆载体表面的树脂，并且初始特性可以容易恢复。解决方案：用于再生用于双组分静电荷图像干燥显影剂的载体的方法旨在使具有涂覆在芯材表面上的树脂的载体再生，其特征在于使用所用的双组分显影剂或将通过在所使用的显影剂上的调色剂除去工艺分离调色剂组分而获得的树脂涂布载体进行碳化，然后进行脱碳，然后进行特征加工。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006335614A Multiple iron oxide particle for ferrite formed body 有权
标题翻译：多晶铁氧化物颗粒成型体
公开(公告)号：JP2006335614A
公开(公告)日：2006-12-14
申请号：JP2005164156
申请日：2005-06-03
申请人： Mitsui Mining & Smelting Co Ltd , Powdertech Co Ltd , パウダーテック株式会社 , 三井金属鉱業株式会社
发明人： YASUGA KOJI , KOBAYASHI HIROMICHI , HONJO TOSHIO , IWATA SUSUMU , SHIMAMURA HIROYUKI
IPC分类号： C01G49/00 , G03G9/107 , H01F1/36
摘要： PROBLEM TO BE SOLVED: To provide multiple iron oxide particles for a ferrite formed body, in each of which manganese is uniformly contained, and which have an apparent bulk density higher than that of octahedral particles and a BET specific surface area larger than that of polyhedral particles having a BET specific surface area larger than that of the octahedral particles, are small in the volume change when they are used as a raw material of ferrite, do not cause pores, air bubbles and cracks in a fired material and exhibit excellent reactivity when they are fired.
SOLUTION: The multiple iron oxide particles for the ferrite formed body contain, as included element, manganese in an amount of 3-20 wt.% expressed in terms of manganese, and have a spinel crystal structure as a main structure and an average particle diameter of 0.05-0.5 μm in terms of Feret's diameter. In the multiple iron oxide particles, particles having a hexagonal shape are contained in a certain ratio.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供铁氧体成形体的多个氧化铁颗粒，其中均匀地含有锰，并且其表观堆积密度高于八面体颗粒的表观堆积密度，并且BET比表面积大于 BET比表面积大于八面体粒子的多面体粒子的体积变化在作为铁素体的原料时体积变化小，不会在烧成物中产生孔，气泡和裂纹，发射时具有良好的反应性。解决方案：铁氧体成形体的多个氧化铁颗粒含有以锰表示的3-20重量％的锰作为包含元素，并且具有尖晶石晶体结构作为主要结构，并且平均粒径为菲涅尔直径0.05-0.5μm。在多个氧化铁颗粒中，以一定比率包含具有六边形形状的颗粒。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006017828A Ferrite carrier for electrophotographic developer, method for manufacturing the same and electrophotographic developer using the ferrite carrier 有权
标题翻译：用于电子显影开发的铁氧体载体，其制造方法和使用铁电载体的电子显影开发
公开(公告)号：JP2006017828A
公开(公告)日：2006-01-19
申请号：JP2004193149
申请日：2004-06-30
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： KOBAYASHI HIROMICHI , KAYAMOTO KANEO , HARAYAMA TADASHI , NIIMURA KAZUMORI , HONJO TOSHIO
IPC分类号： G03G9/107 , G03G9/113
CPC分类号： G03G9/1075 , G03G9/107 , G03G9/1136
摘要： PROBLEM TO BE SOLVED: To provide a ferrite carrier for an electrophotographic developer capable of suppressing a charge leak because of low breakdown voltage, and as a result of giving high image quality, a method for manufacturing the same, and an electrophotographic developer that uses the ferrite carrier. SOLUTION: The ferrite carrier for an electrophotographic developer contains 40-500 ppm of zirconium. The method for manufacturing the same and the electrophotographic developer using the ferrite carrier are also provided. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种能够由于低的击穿电压而能够抑制电荷泄漏的电子照相显影剂的铁氧体载体，并且作为提供高图像质量的结果，其制造方法和电子照相显影剂使用铁氧体载体。解决方案：电子照相显影剂的铁氧体载体含有40-500ppm的锆。还提供了其制造方法和使用铁氧体载体的电子照相显影剂。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2007057943A Carrier for electrophotographic developer, and electrophotographic developer using the carrier 有权
标题翻译：电子显影开发商的承运人和使用承运人的电子照相开发商
公开(公告)号：JP2007057943A
公开(公告)日：2007-03-08
申请号：JP2005244367
申请日：2005-08-25
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： KOBAYASHI HIROMICHI , ITAKOSHI TAKESHI , SUWA TOMOYUKI , HONJO TOSHIO
IPC分类号： G03G9/107 , G03G9/10 , G03G9/113
CPC分类号： G03G9/1075 , G03G9/10 , G03G9/107 , G03G9/1131 , G03G9/1136
摘要： PROBLEM TO BE SOLVED: To provide a carrier for an electrophotographic developer which is mixed with a toner and used as an electrophotographic developer, amply secures image density, and maintains high image quality over a long period of time, and to provide an electrophotographic developer that uses the carrier.
SOLUTION: The carrier for an electrophotographic developer of the present invention is a resin-filling type ferrite carrier which is made by filling resins in air gaps of a porous ferrite core material, in which the air gaps are provided continuously from the surface to the inside of the core material, and which is characterized by the fact that there are more than one three-dimensional laminated structures, in which resin layers and ferrite layers are alternately present. The present invention adopts the electrophotographic developer, consisting of the carrier and a toner.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种与调色剂混合并用作电子照相显影剂的电子照相显影剂载体，确保图像浓度，并且在长时间内保持高图像质量，并提供一种使用载体的电子照相显影剂。解决方案：本发明的电子照相显影剂载体是树脂填充型铁氧体载体，其通过在多孔铁氧体磁芯材料的气隙中填充树脂制成，其中气隙从表面连续地提供到核心材料的内部，其特征在于存在多于一个三维层叠结构，其中树脂层和铁氧体层交替存在。本发明采用由载体和调色剂组成的电子照相显影剂。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006337828A Electrophotographic ferrite carrier core material, electrophotographic ferrite carrier, method for manufacturing them and electrophotographic developer using ferrite carrier 有权
标题翻译：电子显微镜载体核心材料，电子成像载体，制造它们的方法和使用铁素体载体的电子显影开发
公开(公告)号：JP2006337828A
公开(公告)日：2006-12-14
申请号：JP2005164155
申请日：2005-06-03
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： YASUGA KOJI , NAITO TAKESHI , IGARASHI TETSUYA , HONJO TOSHIO
IPC分类号： G03G9/107 , G03G9/113
CPC分类号： G03G9/107 , G03G9/1075 , G03G9/1136 , G03G9/1139
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic ferrite carrier core material having a uniform composition, invariable surface properties, good fluidity, high magnetization and low resistance, an electrophotographic ferrite carrier, a method for manufacturing these, and an electrophotographic developer using the ferrite carrier core material, ensuring rapid buildup of charge and having a stable charge amount over time.
SOLUTION: The electrophotographic ferrite carrier core material is based on manganese ferrite and has a surface divided by grooves or streaks into 2-50 regions per 10 μm
2 . In the method for manufacturing the electrophotographic ferrite carrier core material and the electrophotographic ferrite carrier, an Fe-Mn multiple oxide is used as raw material.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有均匀组成，不变表面特性，良好流动性，高磁化强度和低电阻的电子照相铁氧体载体芯材，电子照相铁氧体载体，其制造方法和使用铁氧体载体芯材料，确保电荷的快速堆积并随着时间具有稳定的电荷量。解决方案：电子照相铁氧体载体芯材料基于锰铁氧体，并且其表面被凹槽或条纹划分成每10微米 2 的2-50个区域。在电子照相铁氧体载体芯材和电子照相铁氧体载体的制造方法中，使用Fe-Mn复合氧化物作为原料。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2011008298A Resin-coated ferrite carrier for electrophotographic developer, production method of the same, and electrophotographic developer using the resin-coated ferrite carrier 审中-公开
标题翻译：用于电子显影开发的树脂涂覆的铁素体载体，其生产方法和使用树脂涂覆的铁素体载体的电子显影开发
公开(公告)号：JP2011008298A
公开(公告)日：2011-01-13
申请号：JP2010225710
申请日：2010-10-05
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： UEMURA TETSUYA , HONJO TOSHIO , KAYAMOTO KANEO
IPC分类号： G03G9/113 , G03G9/107
CPC分类号： G03G9/1135 , G03G9/1075 , G03G9/1134 , G03G9/1139
摘要： PROBLEM TO BE SOLVED: To provide a resin-coated ferrite carrier having a uniform resin coating, and a production method of the carrier, and the like.SOLUTION: The resin-coated ferrite carrier for an electrophotographic developer is characterized in that: the surfaces of ferrite particles are coated with a mixed resin of a fluorocarbon resin comprising a tetrafluoroethylene-hexafluoropropylene copolymer or a tetrafluoroethylene-perfluoroalkylvinyl ether copolymer with a polyamideimide resin comprising a copolymer of trimellitic anhydride and 4,4'-diaminophenylmethane; the mixture resin contains silicon oxide; and the mixture resin is obtained by using a resin-containing solution, which is prepared by dispersing a fluorocarbon resin comprising a tetrafluoroethylene-hexafluoropropylene copolymer or a tetrafluoroethylene-perfluoroalkylvinyl ether copolymer, and silicon oxide in a resin solution prepared by dissolving a polyamideimide resin comprising a copolymer of trimellitic anhydride and 4,4'-diaminophenylmethane in an organic solvent.
摘要翻译：要解决的问题：提供具有均匀树脂涂层的树脂涂覆的铁氧体载体和载体的制造方法等。溶液：用于电子照相显影剂的树脂涂覆的铁氧体载体的特征在于：表面的铁氧体颗粒用包含四氟乙烯 - 六氟丙烯共聚物或四氟乙烯 - 全氟烷基乙烯基醚共聚物的氟碳树脂与包含偏苯三酸酐和4,4'-二氨基苯基甲烷的共聚物的聚酰胺酰亚胺树脂的混合树脂涂覆; 混合树脂含有氧化硅; 并且通过使用通过将包含四氟乙烯 - 六氟丙烯共聚物或四氟乙烯 - 全氟烷基乙烯基醚共聚物的氟碳树脂和氧化硅分散在通过将聚酰胺酰亚胺树脂溶解而制备的树脂溶液中制备的含树脂溶液来获得混合树脂，偏苯三酸酐和4,4'-二氨基苯基甲烷在有机溶剂中的共聚物。

7. 发明专利

JP2007148452A Amorphous ferrite carrier and electrophotographic developer using the ferrite carrier 有权
标题翻译：非晶铁载体和使用铁素体载体的电子显影开发
公开(公告)号：JP2007148452A
公开(公告)日：2007-06-14
申请号：JP2007061890
申请日：2007-03-12
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： KOBAYASHI HIROMICHI , IWATA SUSUMU , HONJO TOSHIO
IPC分类号： G03G9/107 , G03G9/09 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide an amorphous ferrite carrier having lowered resistance, large specific surface area, low specific gravity and extended lifetime, and to provide an electrophotographic developer which prevents toner scattering, gives high image density and can meet the demand for higher speed and full-color image formation by using the ferrite carrier.
SOLUTION: The amorphous ferrite carrier is obtained by coating a carrier core material with a resin, wherein the ferrite carrier has indefinite particle shape, includes ≥40% by number of particles of a rock sugar shape and/or an oyster shell shape, has a shape factor (SF-1) of 140-250, its distribution width (δ) of ≤60 and a shape factor (SF-2) of 120-150, and the coating weight of the resin is 0.01-10.0 wt.% based on the amount of the carrier core material.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有降低的电阻，大比表面积，低比重和延长使用寿命的无定形铁氧体载体，并且提供一种防止调色剂飞散的电子照相显影剂，提供高图像密度并能满足需求用于通过使用铁氧体载体的更高速度和全色图像形成。解决方案：通过用树脂涂覆载体芯材获得非晶铁氧体载体，其中铁素体载体具有不确定的颗粒形状，包括≥40数量的岩糖形状和/或牡蛎壳形状的颗粒具有140-250的形状因子（SF-1），其分布宽度（δ）≤60，形状因子（SF-2）为120-150，树脂的涂布重量为0.01-10.0重量％基于载体芯材的量的％。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006163373A Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier 有权
标题翻译：用于电子显影开发商的树脂涂层铁素体载体，其生产方法和使用树脂涂覆的铁素体载体的电子显影开发
公开(公告)号：JP2006163373A
公开(公告)日：2006-06-22
申请号：JP2005319895
申请日：2005-11-02
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： UEMURA TETSUYA , HONJO TOSHIO , KAYAMOTO KANEO
IPC分类号： G03G9/107 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a resin-coated ferrite carrier having a uniform resin coating that does not emit offensive odors, etc., and to provide its production method, etc.
SOLUTION: The resin-coated ferrite carrier for an electrophotographic developer is characterized in that the surface of ferrite particles is coated with a mixed resin of a tetrafluoroethylene-hexafluoropropylene copolymer or a tetrafluoroethylene-perfluoroalkylvinyl ether copolymer and a polyamideimide resin, and that the mixed resin contains a silicon oxide.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有均匀的树脂涂层的树脂涂覆的铁氧体载体，其不会产生令人讨厌的气味等，并提供其制造方法等。解决方案：树脂涂覆的铁氧体电子照相显影剂的载体的特征在于，铁氧体颗粒的表面涂覆有四氟乙烯 - 六氟丙烯共聚物或四氟乙烯 - 全氟烷基乙烯基醚共聚物和聚酰胺酰亚胺树脂的混合树脂，并且混合树脂含有氧化硅。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2006337579A Ferrite core material for resin-filled carrier, the resin-filled carrier, and electrophotographic developer using the carrier 有权
标题翻译：树脂填充载体，树脂填充载体和使用载体的电子显影开发商的铁素体材料
公开(公告)号：JP2006337579A
公开(公告)日：2006-12-14
申请号：JP2005160256
申请日：2005-05-31
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： KOBAYASHI HIROMICHI , ITAKOSHI TAKESHI , SUWA TOMOYUKI , HONJO TOSHIO
IPC分类号： G03G9/107 , G03G9/08 , G03G9/10 , G03G9/113
CPC分类号： G03G9/1131 , G03G9/0833 , G03G9/0835 , G03G9/0836 , G03G9/0837 , G03G9/0838 , G03G9/0839 , G03G9/1136 , G03G9/1137
摘要： PROBLEM TO BE SOLVED: To provide a ferrite core material for a resin-filled carrier which is used as an electrophotographic developer after mixing with a toner, which can fully ensure image density, will not cause carrier adhesion over a prolonged period of time, and can maintain high image quality, and to provide the resin-filled carrier and an electrophotographic developer that uses the carrier.
SOLUTION: The ferrite core material for the resin-filled carrier has a porosity of 10-60%. The resin-filled carrier is obtained by filling a resin into the carrier core material, and the electrophotographic developer comprises the resin-filled carrier and toner.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于充分确保图像密度的调色剂混合后用作电子照相显影剂的树脂填充载体的铁氧体芯材料，将不会在长时间内引起载体粘附时间，并且可以保持高图像质量，并且提供使用载体的树脂填充载体和电子照相显影剂。解决方案：用于树脂填充载体的铁氧体芯材料的孔隙率为10-60％。树脂填充的载体通过将树脂填充到载体芯材中而获得，并且电子照相显影剂包括填充有树脂的载体和调色剂。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006235460A Amorphous ferrite carrier and electrophotographic developer obtained by using the ferrite carrier 有权
标题翻译：使用铁素体载体获得的非晶铁素体载体和电子显影开发
公开(公告)号：JP2006235460A
公开(公告)日：2006-09-07
申请号：JP2005052781
申请日：2005-02-28
申请人： Powdertech Co Ltd , パウダーテック株式会社
发明人： KOBAYASHI HIROMICHI , IWATA SUSUMU , HONJO TOSHIO
IPC分类号： G03G9/107 , G03G9/09 , G03G9/10 , G03G9/113
CPC分类号： G03G9/107 , G03G9/1132
摘要： PROBLEM TO BE SOLVED: To provide an amorphous ferrite carrier which is made lower in resistance, is higher in specific surface area, is lower in specific gravity and is made longer in life, and an electrophotographic developer in which toner scattering is prevented and which is high in image density, can be adaptive to speedup and colorization and is obtained by using such ferrite carrier.
SOLUTION: The amorphous ferrite carrier is characterized in that a particle has amorphous shape; ≥40number% of the particle has a rock type crystal sugar shape and/or oyster shell shape; the shape coefficient (SF-1=R
2 /Sxπ/4x100 (R represents a maximum length, S an area, respectively)) is 140 to 250; and the distribution width (δ) is ≤60.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种制成电阻较低的比表面积较高的无定形铁氧体载体，其比重较低，使用寿命更长，并且可防止调色剂飞散的电子照相显影剂并且图像密度高，可以适应于加速和着色，并且通过使用这种铁氧体载体获得。解决方案：无定形铁氧体载体的特征在于，颗粒具有无定形形状; ≥40％的颗粒具有岩石晶型糖和/或牡蛎壳的形状; 形状系数（SF-1 = R 2 /Sxπ/ 4×100（R分别表示最大长度，S a面积））为140〜250; 分布宽度（δ）≤60。版权所有（C）2006，JPO＆NCIPI

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