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    MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND PROCESS FOR PRODUCING THE SAME, AND TWO-COMPONENT SYSTEM DEVELOPER
    21.
    发明申请
    MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND PROCESS FOR PRODUCING THE SAME, AND TWO-COMPONENT SYSTEM DEVELOPER 有权
    用于电子显影开发的磁性载体及其制造方法和两组分系统开发商

    公开(公告)号：US20150192874A1

    公开(公告)日：2015-07-09

    申请号：US14404543

    申请日：2013-05-30

    Applicant: TODA KOGYO CORP.

    Inventor： Kaori Kinoshita ,  Eiichi Kurita

    IPC: G03G9/107

    CPC classification number: G03G9/1135 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1136

    Abstract: 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 μm, the magnetic carrier for an electrophotographic developer satisfying the formula (1): σ1−σ0=−2 to 0 wherein σ0 represents a saturation magnetization (Am2/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 σ1 represents a saturation magnetization (Am2/kg) of the carrier particles having a particle diameter of less than 20 μm, 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.

    Abstract translation: 本发明涉及一种用于电子照相显影剂的磁性载体，其包含至少包含铁磁性氧化铁细颗粒和固化酚醛树脂的平均粒径为20至60μm的球形复合芯颗粒，用于电子照相显影剂的磁性载体 满足公式（1）：＆sgr; 1-＆sgr; 0 = -2至0其中＆sgr; 0表示粒径在平均粒径附近的载体颗粒的饱和磁化强度（Am2 / kg） 用于电子照相显影剂的磁性载体; ＆lt; sgr 1表示粒径小于20μm的载体颗粒的饱和磁化强度（Am2 / kg）和使用该磁性载体的双组分系统显影剂。 本发明的双组分系统显影剂包括用于电子照相显影剂的磁性载体，其能够表现出良好的耐久性，不会发生载体粘附，并且可以保持长时间产生的高质量图像， 并且包括用于电子照相显影剂的磁性载体和调色剂。

    METHOD OF PRODUCING AMORPHOUS CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTER, AND LITHIUM ION SECONDARY BATTERY
    26.
    发明申请
    METHOD OF PRODUCING AMORPHOUS CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTER, AND LITHIUM ION SECONDARY BATTERY 有权
    生产用于锂离子二次电池负极的非晶碳材料和锂离子二次电池的方法

    公开(公告)号：US20130251621A1

    公开(公告)日：2013-09-26

    申请号：US13896825

    申请日：2013-05-17

    Applicant: TODA KOGYO CORP. ,  JX NIPPON OIL & ENERGY CORPORATION

    Inventor： Takashi SUZUKI ,  Noriyo ISHIMARU ,  Takashi OYAMA ,  Tamotsu TANO ,  Toshiyuki ODA ,  Ippei FUJINAGA (DECEASED) ,  Tomoaki URAl ,  Seiji OKAZAKI ,  Katsuaki KURATA ,  Toshiaki HIRAMOTO ,  Akino SATO ,  Wataru ODA

    IPC: H01M4/133

    CPC classification number: H01M4/133 ,  C01B32/05 ,  C10B55/00 ,  C10B57/045 ,  H01M4/583 ,  H01M4/587 ,  H01M10/052

    Abstract: An amorphous carbon material for lithium-ion secondary battery negative electrode is capable of reducing capacity degradation due to repeated charge and discharge cycles, storage while being charged, or floating charge.A method for producing an amorphous carbon material for a negative electrode of a lithium-ion secondary battery includes the steps of: pulverizing and classifying a raw coke composition obtained from a heavy-oil composition undergone coking by delayed coking process to obtain powder of the raw coke composition, the raw coke composition having a H/C atomic ratio that is a ratio of hydrogen atoms H and carbon atoms C of 0.30 to 0.50 and having a micro-strength of 7 to 17 mass %; giving compressive stress and shear stress to the powder of the raw coke composition to obtain a carbonized composition precursor; and heating the carbonized composition precursor under an inert atmosphere at a temperature from 900° C. to 1,500° C. so that a size of a crystallite Lc(002) is in a range of 2 nm to 8 nm, the size being calculated from a (002) diffraction line obtained by X-ray wide-angle diffractometry.

    Abstract translation: 用于锂离子二次电池负极的无定形碳材料能够减少由于重复的充放电循环而导致的电容劣化，同时被充电时的存储或浮置电荷。 一种锂离子二次电池的负极用无定形碳材料的制造方法，其特征在于，将通过延迟焦化工序进行焦化的重油成分得到的原料焦炭组合物粉碎分级，得到原料 焦炭组合物，原料焦炭组成为H / C原子比，其氢原子H和碳原子数C之比为0.30〜0.50，微细强度为7〜17质量％。 对原料焦炭组合物的粉末赋予压应力和剪切应力以获得碳化组合物前体; 并在惰性气氛下，在900℃至1500℃的温度下加热碳化组合物前体，使得微晶Lc（002）的尺寸在2nm至8nm的范围内，其尺寸由 通过X射线广角衍射法获得的（002）衍射线。

    Method of producing a powder of cobalt-containing needle-like shaped gamma-ferric oxide particles as magnetic recording material
    27.
    发明授权
    Method of producing a powder of cobalt-containing needle-like shaped gamma-ferric oxide particles as magnetic recording material 失效
    含有类似针状形状的游离氧化锰颗粒作为磁记录材料的生产方法

    公开(公告)号：US3720618A

    公开(公告)日：1973-03-13

    申请号：US3720618D

    申请日：1971-02-25

    Applicant: TODA KOGYO CORP

    Inventor： TODA H ,  SHIMIZU S ,  IHARA H

    IPC: C01G49/06 ,  G11B5/706 ,  C04B35/00

    CPC classification number: B82Y30/00 ,  C01G49/06 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/42 ,  G11B5/70673 ,  Y10S264/58

    Abstract: Procedure is described for producing a powder of cobaltcontaining, needle-like shaped gamma-ferric oxide, gamma -Fe2O3 particles useful for magnetic recording and the making of magnetic tape, magnetic sheet and magnetic disk with the powder which has high coercive force, high remanence and good dispersibility, uniform chemical composition, the cobalt uniformly dispersed on each particle, no twin particle structure, a particle length of 0.2-0.5 micron, a specific surface area of 15-25 m2/g and a content of anion such as SO42 less than 0.1 percent. Alkali is added to a mixture of a ferrous salt solution and a cobalt salt solution until the pH exceeds 11, an oxidizing gas of constant oxygen partial pressure is blown into the solution as uniformly fine air bubbles, also causing agitation while maintaining the solution at 30*-50*C, whereupon alpha-Fe2O3 hydrate particles precipitate with the cobalt ions in solid solution, and by washing, dehydrating, reducing and oxidizing conversion into the desired gamma -Fe2O3 particles results.

    Abstract translation: 描述了制备含钴针状γ-氧化铁粉末，用于磁记录的γ-Fe2O3颗粒和制备具有高矫顽力的粉末的磁带，磁性片和磁盘的粉末的方法， 高残留性和良好的分散性，均匀的化学成分，钴均匀分散在每个颗粒上，没有双颗粒结构，颗粒长度为0.2-0.5微米，比表面积为15-25 m2 / g，阴离子含量如 SO42 < - >小于0.1％。 将碱加入到亚铁盐溶液和钴盐溶液的混合物中，直到pH超过11，将氧分压恒定的氧气气体均匀地吹入溶液中，同时在使溶液保持在30℃的同时引起搅拌 ℃-50℃，此时α-Fe 2 O 3水合物颗粒与固溶体中的钴离子一起沉淀，并通过洗涤，脱水，还原和氧化转化成所需的γ-Fe 2 O 3颗粒。

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