R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet
    4.
    发明公开
    R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet 审中-公开
    颗粒的R-T-B系稀土类磁铁的R-T-B系稀土类磁铁的制造方法及粘结磁铁的粒子

    公开(公告)号:EP2645381A3

    公开(公告)日:2016-12-28

    申请号:EP13161404.2

    申请日:2013-03-27

    IPC分类号: H01F1/057

    摘要: The present invention relates to a process for producing R-T-B-based rare earth magnet particles by HDDR treatment which comprises a first stage HD step of heating particles of a raw material alloy having a composition comprising R in an amount of not less than 12.5 atom% and not more than 14.3 atom%, B in an amount of not less than 4.5 atom% and not more than 7.5 atom% and Co in an amount of not more than 10 atom% to a temperature range of not lower than 770°C and not higher than 820°C in an inert atmosphere or in a vacuum atmosphere and then replacing the atmosphere with a hydrogen-containing gas atmosphere in which the raw material alloy particles are held in the same temperature range; and a second stage HD step of heating a material obtained in the first stage HD step again to a temperature range of not lower than 830°C and not higher than 870°C in which the material is held in the hydrogen-containing gas atmosphere.

    MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPERS, PROCESS FOR PRODUCTION THEREOF, AND TWO-COMPONENT DEVELOPERS
    6.
    发明授权
    MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPERS, PROCESS FOR PRODUCTION THEREOF, AND TWO-COMPONENT DEVELOPERS 有权
    磁体支撑,电力照相显影剂,工艺用于生产和两个组件开发者

    公开(公告)号:EP2439593B1

    公开(公告)日:2016-08-24

    申请号:EP10783459.0

    申请日:2010-06-04

    IPC分类号: G03G9/107 G03G9/113

    摘要: The present invention relates to a magnetic carrier for an electrophotographic developer comprising spherical magnetic composite particles comprising a phenol resin as a binder and ferromagnetic iron oxide particles bonded to each other through the phenol resin, wherein the spherical magnetic composite particles have a ten-point mean roughness Rz of 0.3 to 2.0 µm. The magnetic carrier for an electrophotographic developer according to the present invention exhibits an excellent durability against peeling-off and abrasion of coating resins formed thereon and a high stability to mechanical stress exerted onto the carrier, is free from occurrence of spent toner, can be stably held over a long period of time without occurrence of fogging and unevenness in density of toner images, and can keep high-quality images with an excellent gradation for a long period of time.

    摘要翻译: 本发明涉及一种用于在电子照相显影剂包含含有酚树脂作为粘合剂,并通过苯酚树脂彼此结合强磁性氧化铁颗粒的球形磁性复合体颗粒,worin球状磁性复合颗粒的磁性载体具有十点平均 的0.3〜2.0微米的粗糙度Rz。 在电子照相显影剂雅丁到本发明表现出抗剥离和在其上形成的涂层树脂的磨损和较高的稳定性,以机械应力的耐久性优异的磁性载体施加到载体上,是从废调色剂的发生游离,能够稳定地 举行了的时间,而不在调色剂图像的密度灰雾和不均匀性的发生期长,并能保持高品质的图像与时间的长期优异的灰度。

    MAGNETIC CARRIERS FOR ELECTROPHOTOGRAPHIC DEVELOPER, PROCESSES FOR PRODUCING SAME, AND TWO-COMPONENT DEVELOPER
    9.
    发明公开
    MAGNETIC CARRIERS FOR ELECTROPHOTOGRAPHIC DEVELOPER, PROCESSES FOR PRODUCING SAME, AND TWO-COMPONENT DEVELOPER 审中-公开
    ,电力照相显影剂,工艺磁性支撑其制造和两个组件开发者

    公开(公告)号:EP2857903A1

    公开(公告)日:2015-04-08

    申请号:EP13796970.5

    申请日:2013-05-30

    IPC分类号: G03G9/107 G03G9/113

    摘要: The present invention relates to a magnetic carrier for an electrophotographic developer comprising spherical composite core particles comprising at least ferromagnetic iron oxide fine particles and a cured phenol resin, and having an average particle diameter of 20 to 60 µ m, the magnetic carrier for an electrophotographic developer satisfying the formula (1): σ 1 - σ 0 = -2 to 0 wherein σ 0 represents a saturation magnetization (Am 2 /kg) of the carrier particles having a particle diameter in the vicinity of the average particle diameter of the magnetic carrier for an electrophotographic developer; and σ 1 represents a saturation magnetization (Am 2 /kg) of the carrier particles having a particle diameter of less than 20 µ m, and a two-component system developer using the magnetic carrier. The two-component system developer of the present invention includes a magnetic carrier used for an electrophotographic developer which can exhibit a good durability, is free from occurrence of carrier adhesion, and can maintain a high quality of images produced for a long period of time, and comprises the magnetic carrier for an electrophotographic developer and a toner.

    摘要翻译: 本发明涉及一种磁性载体,在电子照相显影剂包括含有至少强磁性氧化铁微粒和固化的酚醛树脂的球状复合芯颗粒,并具有上,在20的平均粒径为60μ米,用于电照相的磁性载体 显影剂满足式(1):方案1 - 具有磁性的平均粒径附近粒径的载体颗粒的0 = -2〜0的worin A 0 darstellt的饱和磁化强度(AM 2 / kg)的 载体在电子照相显影剂; 和A 1 darstellt的饱和磁化强度具有小于20μ米的粒径,以及使用该磁性载体的双组分类显影剂的载体颗粒(AM 2 /千克)。 本发明的双组分体系显影剂包括用于在电子照相显影剂从而可以表现出良好的耐久性的磁性载体,是从载体粘附的发生游离,并能维持一段长周期产生的图像的高质量, 并且包括用于在电子照相显影剂和调色剂的磁性载体。

    Li-Ni COMPOSITE OXIDE PARTICLE POWDER AND PROCESS FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    10.
    发明公开
    Li-Ni COMPOSITE OXIDE PARTICLE POWDER AND PROCESS FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    LI-NI MISCHOXIDPARTIKELPULVER及其制造方法相同,并且二次电池的非水电解质

    公开(公告)号:EP2698351A1

    公开(公告)日:2014-02-19

    申请号:EP12770752.9

    申请日:2012-04-12

    IPC分类号: C01G53/00 H01M4/505 H01M4/525

    摘要: The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m 2 /g; an atomic ratio (Ma/Ni) of a concentration of an amphoteric metal to a concentration of Ni on an outermost surface of the respective Li-Ni composite oxide particles is 2 to 6; and the concentration of the amphoteric metal on the outermost surface of the respective Li-Ni composite oxide particles is higher than a concentration of the amphoteric metal at a position spaced by 50 nm from the outermost surface toward a center of the respective Li-Ni composite oxide particles.

    摘要翻译: 本发明提供了具有良好的高温保存特性和优异的循环特性的非水电解质二次电池的活性物质,以及使用该锂复合化合物颗粒的二次电池的锂复合化合物颗粒。 用于非水电解质二次电池gemäß到本发明的Li-Ni复合氧化物颗粒具有0:05至0.8米2 /克的BET比表面积; 在以Ni对在respectivement Li-Ni复合氧化物颗粒的最外表面的浓度的两性金属的浓度的原子比(MA / Ni)的为2至6; 和respectivement Li-Ni复合氧化物颗粒的最外表面上的两性金属的浓度大于在由50nm的从最外表面朝向respectivement Li-Ni复合的中心间隔开的位置上的两性金属的浓度高 氧化物颗粒。