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1. 发明专利

JP2011246327A Coating magnetite particle 有权
标题翻译：涂胶磁粉
公开(公告)号：JP2011246327A
公开(公告)日：2011-12-08
申请号：JP2010123817
申请日：2010-05-31
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAJIMA TAKASHI , KATSUYAMA KOICHI , TOYOSHIMA AKIHIRO , NAKAYAMA MINORU
IPC分类号： C01G49/08 , G03G9/083
摘要： PROBLEM TO BE SOLVED: To provide a coating magnetite particle in which the hydrophobicity is high, and which excels in dispersibility in an organic solvent, and can maintain high hydrophobicity even after distributing processing in an organic solvent.SOLUTION: The coating magnetite particle includes: a core particle of a magnetite; a silica layer which covers the surface; and a silane compound layer which covers a surface of the silica layer, wherein the content of a sum total of an alkali metal and an alkaline earth metal in the silica layer is at most 50 ppm based on the weight of the coating magnetite particle. The coating magnetite particle is suitably obtained by: that a core particle of a magnetite and an alkali metal salt of a silicic acid are mixed, and a core particle on the surface of which a silica layer is formed is obtained; that the core particle in which the silica layer is formed is contacted to a cation exchange resin, and an alkali metal ion contained in the silica layer is reduced; and that the surface of the core particle in which the silica layer is formed is covered with an alkoxysilane compound, heat treatment is performed succeedingly, and the silane compound layer is formed.
摘要翻译：要解决的问题：提供疏水性高的涂层磁铁矿颗粒，并且在有机溶剂中的分散性优异，并且即使在有机溶剂中分配处理之后也可以保持高的疏水性。涂层磁铁矿颗粒包括：磁铁矿的核心颗粒; 覆盖表面的二氧化硅层; 以及覆盖二氧化硅层的表面的硅烷化合物层，其中二氧化硅层中的碱金属和碱土金属的总和含量相对于涂层磁铁矿颗粒的重量为至多50ppm。通过以下方式适当地获得涂覆磁铁矿颗粒：将磁铁矿的核心颗粒和硅酸的碱金属盐混合，并且获得其表面上形成二氧化硅层的芯颗粒; 其中形成二氧化硅层的核心颗粒与阳离子交换树脂接触，二氧化硅层中所含的碱金属离子减少; 并且其中形成二氧化硅层的芯颗粒的表面被烷氧基硅烷化合物覆盖，然后进行热处理，并形成硅烷化合物层。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2008088014A Magnetite particulate powder 有权
标题翻译：磁性颗粒粉
公开(公告)号：JP2008088014A
公开(公告)日：2008-04-17
申请号：JP2006270490
申请日：2006-10-02
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAYAMA MINORU , NAKAJIMA TAKASHI , HOSHINO TOMOYUKI , NARA AKIHIRO , KATSUYAMA KOICHI , SHIMAMURA HIROYUKI
IPC分类号： C01G49/00 , H01F1/24
摘要： PROBLEM TO BE SOLVED: To provide magnetite particulate powder which has such various balanced characteristics that the magnetite particulate powder has saturation magnetization value excellent in heat resistance, a low residual magnetization value and an excellent characteristic when packed in a resin and which is suitable particularly as a magnetic powder-containing resin carrier. SOLUTION: The magnetite particulate powder has a 10-hedral to 18-hedral basic shape, 0.25-2 μm average particle size and a layer of a compound oxide of Al and Fe on the surface. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有各种平衡特性的磁铁矿颗粒粉末，其磁铁矿颗粒粉末在耐热性方面具有优异的耐饱和磁化强度值，低残留磁化值和当包装在树脂中时具有优异的特性，特别适合作为含磁粉的树脂载体。解决方案：磁铁矿颗粒粉末的表面具有10到18至18的基本形状，0.25-2μm的平均粒度和Al和Fe的复合氧化物层。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2006306712A Composite oxide particle having black color 有权
标题翻译：具有黑色颜料的复合氧化物颗粒
公开(公告)号：JP2006306712A
公开(公告)日：2006-11-09
申请号：JP2006086441
申请日：2006-03-27
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： FUJIYASU SHOICHI , KATSUYAMA KOICHI , HOSHINO TOMOYUKI , MIWA MASAHIRO , SHIMAMURA HIROYUKI
IPC分类号： C01G51/00 , C01G53/00
摘要： PROBLEM TO BE SOLVED: To provide spinel type cobalt oxide particles having more excellent blackness and electric conductivity, and having a well balance in oxidation resistance, dispersibility when being converted into a coating material, the surface smoothness of a coating film upon the conversion of the coating material into a coating film or the like, to provide a method for producing the same, and to provide a black conductive coating material and paste.
SOLUTION: The composite oxide particles have conductivity and a black color. The particles contain one or more of copper, nickel, and molybdenum and have a cobalt content of 40 to 65 mass% in terms of the amount of the metallic element based on the whole particles.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有更优异的黑色和电导率的尖晶石型氧化钴颗粒，并且在耐氧化性，转化成涂料时的分散性具有良好的平衡，涂膜的表面平滑度将涂料转化成涂膜等，以提供其制备方法，并提供黑色导电涂料和糊料。解决方案：复合氧化物颗粒具有导电性和黑色。颗粒含有铜，镍和钼中的一种或多种，并且以基于整个颗粒的金属元素的量计，钴含量为40至65质量％。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006111483A Iron oxide particle 有权
标题翻译：氧化铁颗粒
公开(公告)号：JP2006111483A
公开(公告)日：2006-04-27
申请号：JP2004299620
申请日：2004-10-14
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： KATSUYAMA KOICHI , NAKAYAMA MINORU , SHIMAMURA HIROYUKI
IPC分类号： C01G49/08
摘要： PROBLEM TO BE SOLVED: To provide iron oxide particles which have high dispersibility and excellent environment stability. SOLUTION: The iron oxide particles are characterized in that the surface of each particle is covered with a multiple iron oxide layer containing calcium and phosphorus. The iron oxide particles are produced by adding/mixing a ferrous salt aqueous solution containing a water-soluble phosphorous compound and an alkali aqueous solution to a slurry of iron oxide core particles in a state that calcium ions are present, and then subjecting the resulting mixture to wet oxidation while adjusting the pH value to 8-13 so that the multiple iron oxide layer containing calcium and phosphorus is formed on the surface of each core particle. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有高分散性和优异的环境稳定性的氧化铁颗粒。解决方案：氧化铁颗粒的特征在于，每个颗粒的表面被含有钙和磷的多个氧化铁层覆盖。通过将含有水溶性磷化合物和碱性水溶液的铁盐水溶液以存在钙离子的状态加入到铁氧化物核粒子的浆料中，然后将所得混合物在将pH值调节至8-13的同时进行湿式氧化，使得在每个核心颗粒的表面上形成含有钙和磷的多个氧化铁层。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2011246328A Method for manufacturing coating magnetite particle 有权
标题翻译：用于制造涂层磁性颗粒的方法
公开(公告)号：JP2011246328A
公开(公告)日：2011-12-08
申请号：JP2010123818
申请日：2010-05-31
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAJIMA TAKASHI , KATSUYAMA KOICHI , TOYOSHIMA AKIHIRO , NAKAYAMA MINORU
IPC分类号： C01G49/08
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a coating magnetite particle in which the hydrophobicity is high, and which excels in dispersibility in an organic solvent, and can maintain high hydrophobicity even after distributing processing in an organic solvent.SOLUTION: The manufacturing method is for a magnetite particle which includes: a core particle of a magnetite; a silica layer which covers the surface; and a silane compound layer which covers a surface of the silica layer. The manufacturing method is characterized as follows. The amount of an alkali metal ion or an alkaline earth metal ion contained in the silica layer in a core particle in which a silica layer is formed is reduced by ion exchange using a cation exchange resin; after that a surface of the core particle in which a silica layer is formed is covered with an alkoxysilane compound, and heat treatment is performed succeedingly and a silane compound layer is formed.
摘要翻译：要解决的问题：提供一种疏水性高的涂层磁铁矿颗粒的制造方法，并且在有机溶剂中的分散性优异，并且即使在有机溶剂中分配处理之后也可以保持高的疏水性。解决方案：制造方法是用于磁铁矿颗粒，其包括：磁铁矿的核心颗粒; 覆盖表面的二氧化硅层; 以及覆盖二氧化硅层的表面的硅烷化合物层。制造方法的特征如下。通过使用阳离子交换树脂的离子交换，形成二氧化硅层的芯粒子中的二氧化硅层中含有的碱金属离子或碱土金属离子的量减少; 之后，其中形成有二氧化硅层的芯颗粒的表面被烷氧基硅烷化合物覆盖，并且进行热处理并形成硅烷化合物层。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011020910A Coated magnetite particle 有权
标题翻译：涂层磁性颗粒
公开(公告)号：JP2011020910A
公开(公告)日：2011-02-03
申请号：JP2009169766
申请日：2009-07-21
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAJIMA TAKASHI , KATSUYAMA KOICHI , TOYOSHIMA AKIHIRO , NARA AKIHIRO , NAKAYAMA MINORU , TAHIRA YASUKI , YOSHIDA ASAMI , TAKAHASHI HIROKI , KURIHARA YOSHIO
IPC分类号： C01G49/08 , G03G9/083
摘要： PROBLEM TO BE SOLVED: To provide coated magnetite particles wherein a silane compound is firmly joined on the surface of a magnetite particle, whose hydrophobicity is enhanced and whose dispersibility in an organic solvent is enhanced.
SOLUTION: In the coated magnetite particle where the surface of the core particle of magnetite is coated with a silane compound, a spectrum of Si determined by a total electron yield method (TEY) using a near absorption edge of an X-ray absorbing fine structure (NEXAFS) has a peak A in the range of 1,844.4-1,844.8 eV and a peak B in the range of 1,846.1-1,846.6 eV. When the area of the peak A is I
A , the area of the peak B is I
B and the molar number of Si originating in the silane compound contained in a coated magnetite particle of 1 g is M
Si , an equation denoted as I
A /(I
A +I
B )/M
Si has a value in the range of 25-45.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供其中硅烷化合物牢固地接合在磁化颗粒的表面上并且其疏水性提高并且在有机溶剂中的分散性增强的包覆磁铁矿颗粒。解决方案：在磁铁矿核心颗粒的表面涂覆有硅烷化合物的涂覆磁铁矿颗粒中，使用X射线的近吸收边缘，通过总电子产率法（TEY）测定的Si光谱吸收精细结构（NEXAFS）的峰A在1,844.4-1,844.8eV的范围内，峰B在1,846.1-1,846.6eV的范围内。当峰A的面积为I A 时，峰B的面积为I B ，并且包含在涂覆磁铁矿中的硅烷化合物中衍生的Si的摩尔数 1g的颗粒为M S ，表示为I A /（I A + I SB SB）的方程式， / M Si 的值在25-45的范围内。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010222154A Magnetite particle 有权
标题翻译：磁性颗粒
公开(公告)号：JP2010222154A
公开(公告)日：2010-10-07
申请号：JP2009068812
申请日：2009-03-19
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAJIMA TAKASHI , TOYOSHIMA AKIHIRO , NAKAYAMA MINORU , KATSUYAMA KOICHI
IPC分类号： C01G49/08
摘要： PROBLEM TO BE SOLVED: To provide a magnetite particle high in coatability of a silane compound and preventing magnetic aggregation. SOLUTION: The magnetite particle comprises magnetite which contains Ti or Si, wherein Ti or Si exists inside the particle, Ti and Si do not substantially exist on the outermost surface of the particle and the elution quantity of each of Ti and Si in a pure water boiling test is ≤50 ppm to all particles. It is preferable that different elements except Fe and O do not exist on the surface of the particles. When the particles are dissolved from the outermost surface, the quantity of Ti or Si eluted until the elusion ratio of Fe reaches 10-100 wt.% is 60-100 wt.% per the total quantity of Ti or Si contained in the all particles. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供高硅烷化合物的涂布性和防止磁性聚集的磁铁矿颗粒。解决方案：磁铁矿颗粒包含含有Ti或Si的磁铁矿，其中Ti或Si存在于颗粒内部，Ti和Si基本上不存在于颗粒的最外表面上，Ti和Si各自的溶出量纯水沸腾试验对所有颗粒为≤50ppm。优选除了Fe和O之外的不同元素不存在于颗粒的表面上。当颗粒从最外表面溶解时，直到Fe的浸出比达到10-100重量％时所析出的Ti或Si的量为60-100重量％，其中所有颗粒中所含的Ti或Si的总量。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010120833A Hydrophobic magnetite particle powder 有权
标题翻译：氢氧化镁颗粒粉
公开(公告)号：JP2010120833A
公开(公告)日：2010-06-03
申请号：JP2008298698
申请日：2008-11-21
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAJIMA TAKASHI , NARA AKIHIRO , TOYOSHIMA AKIHIRO , MOCHIHARA TETSUYA , KATSUYAMA KOICHI , MIYAKE KOJI , NAKAYAMA MINORU , KAMIKOORIYAMA YOICHI , SHIMAMURA HIROYUKI
IPC分类号： C01G49/08 , G03G9/083 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a magnetite particle powder which is treated so effectively that a silane compound functions and has well balanced properties such as high hydrophobicity and excellent dispersity to organic solvents, particularly the one suitable for a magnetic single component chemical toner, and a method for producing the same. SOLUTION: The hydrophobic magnetite particle powder comprises a magnetite particle powder hydrophobized by a silane compound whose particle surface is composed of RSiX 3 (R: 1-18C alkyl; X: methoxy or ethoxy). The silane compound is at least one of an alkyl group having ≤3 carbons in R and alkyl group having ≥4 carbons in R. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种磁铁矿颗粒粉末，其被有效地处理以使得硅烷化合物起作用并且具有良好的平衡性能，例如高疏水性和对有机溶剂的优异分散性，特别是适用于磁性单组分化学品调色剂及其制造方法。解决方案：疏水性磁铁矿颗粒粉末包含由硅烷化合物疏水化的磁铁矿颗粒粉末，其颗粒表面由RSiX SB（R：1-18C烷基; X：甲氧基或乙氧基）构成）。硅烷化合物是R中具有≤3个碳原子的烷基和R中具有≥4个碳原子的烷基中的至少一种。（C）2010，JPO＆INPIT

9. 发明专利

JP2010100483A Covered magnetite particle and method for producing the same 有权
标题翻译：覆盖的磁性粒子及其制造方法
公开(公告)号：JP2010100483A
公开(公告)日：2010-05-06
申请号：JP2008273691
申请日：2008-10-24
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： NAKAJIMA TAKASHI , TOYOSHIMA AKIHIRO , MOCHIHARA TETSUYA , NARA AKIHIRO , KATSUYAMA KOICHI
IPC分类号： C01G49/08 , G03G9/08 , G03G9/083 , G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a magnetite particle to which only very small amount of steam is adsorbed and which has high dispersion stability in an organic solvent having low permittivity. SOLUTION: In the covered magnetite particle, the surface of the core particle of magnetite is covered with a silane compound having a 2-10C alkyl chain, and the amount of Na present in the surface of the core particle is in the range of 0.1-50 ppm relative to the weight of the whole particle. The particles are suitably produced by blowing an oxidizing gas into a ferrous hydroxide colloidal solution produced by the neutralization reaction of a ferrous salt using a Na-containing alkali while keeping the pH of the solution at 7 or less, to produce core particles of magnetite; washing the produced core particles with water using a medialess dispersing machine, to remove Na present in the surface thereof; and covering the surface of the core particles after water washing with the silane compound having a 2-10C alkyl chain. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种只有非常少量的蒸汽被吸附并且在具有低介电常数的有机溶剂中具有高分散稳定性的磁铁矿颗粒。解决方案：在覆盖的磁铁矿颗粒中，磁铁矿芯颗粒的表面被具有2-10C烷基链的硅烷化合物覆盖，并且核颗粒表面中存在的Na的量在该范围内相对于整个颗粒的重量为0.1-50ppm。通过将氧化气体吹入通过亚硝酸盐中和反应生成的氢氧化亚铁胶体溶液中，同时使溶液的pH保持在7以下，从而制成磁铁矿的核心颗粒; 使用中间分散机用水洗涤生产的核心颗粒，以去除其表面中存在的Na; 并且用具有2-10C烷基链的硅烷化合物在水洗后覆盖芯颗粒的表面。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2007302798A Cobalt-containing black pigment 有权
标题翻译：含钴黑色素
公开(公告)号：JP2007302798A
公开(公告)日：2007-11-22
申请号：JP2006133267
申请日：2006-05-12
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： HOSHINO TOMOYUKI , KATSUYAMA KOICHI , FUJIYASU SHOICHI , NAKAJIMA TAKASHI , SHIMAMURA HIROYUKI
IPC分类号： C09C1/00 , C01G51/04 , C09C3/00
摘要： PROBLEM TO BE SOLVED: To provide a cobalt-containing black pigment which essentially has a black degree and high electric resistance as black pigment powder for forming light-shielding layers and black electrodes for plasma displays, plasma address liquid crystals, and the like, has a small average primary particle diameter and a small coagulated particle diameter, and is excellent in initial dispersibility.
SOLUTION: This cobalt-containing black pigment is characterized in that an average primary particle diameter is 0.03 to 0.5 μm, and D
50 by the measurement of particle sizes based on the number of particles by a laser diffraction scattering method is 0.05 to 1.5 μm.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供基本上具有黑色度和高电阻的含钴黑色颜料作为用于形成遮光层的黑色颜料粉末和用于等离子体显示器的黑色电极，等离子体寻址液晶和具有小的平均一次粒径和小的凝固粒径，并且初始分散性优异。解决方案：该含钴黑色颜料的特征在于，通过基于颗粒数量a的颗粒尺寸的测量，平均一次粒径为0.03至0.5μm，D 50 激光衍射散射法为0.05〜1.5μm。版权所有（C）2008，JPO＆INPIT

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