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31. 发明专利

JP2008201668A Magnetic iron oxide particle 有权
标题翻译：磁铁氧化物颗粒
公开(公告)号：JP2008201668A
公开(公告)日：2008-09-04
申请号：JP2008014319
申请日：2008-01-25
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： HOSHINO TOMOYUKI , NAKAYAMA MINORU , KATSUYAMA KOICHI , NAKAJIMA TAKASHI
IPC分类号： C01G49/02 , C01G49/00 , H01F1/11
摘要： PROBLEM TO BE SOLVED: To provide magnetic iron oxide particles having high heat conductivity and heat resistance. SOLUTION: The magnetic iron oxide particles are prepared by forming a coated layer containing silicon and aluminum on the surface of core particles of magnetic iron oxide containing silicon. The particles is characterized in that, when Fe in an amount of 10 wt.% of the whole amount of Fe contained in the particles is dissolved, during the process of dissolving the particles having an octahedron form from the surface thereof, the ratio X of the amount of Fe(II) contained in the dissolved total Fe to an amount of the total Fe (the former/the latter) is within the range expressed by 0.34≤X≤0.50. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有高导热性和耐热性的磁性氧化铁颗粒。解决方案：通过在含有硅的磁性氧化铁的芯颗粒的表面上形成含有硅和铝的涂层来制备磁性氧化铁颗粒。该颗粒的特征在于，当在颗粒中所含的全部Fe的量为10重量％的Fe溶解时，在从其表面溶解具有八面体颗粒的过程中，溶解的总Fe中所含的Fe（II）与Fe的总量（前者/后者）的量在0.34≤X≤0.50的范围内。版权所有（C）2008，JPO＆INPIT

32. 发明专利

JP2007284340A Method for producing granular cobalt oxide black pigment, and granular cobalt oxide black pigment 有权
标题翻译：生产颗粒状氧化钴黑色颜料的方法和颗粒状氧化钴黑色颜料
公开(公告)号：JP2007284340A
公开(公告)日：2007-11-01
申请号：JP2007074575
申请日：2007-03-22
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
IPC分类号： C01G51/04 , C09C1/00 , C09C3/04
CPC分类号： C01G51/04 , C09C1/00 , C09C1/0009
摘要： PROBLEM TO BE SOLVED: To provide a method for producing granular cobalt oxide black pigment with a small grain size and a sharp grain size distribution combining excellent blackness and high electric resistivity.
SOLUTION: Regarding the method for producing granular cobalt oxide black pigment, the neutralization of a cobalt (bivalent) salt aqueous solution and an alkali solution is performed at the pH of 10 to 13, on and after the start of the mixing and neutralization or on and after the completion of the mixing and neutralization, an oxygen-containing gas is continuously bubbled while the temperature of the reaction slurry is held at 10 to 40°C, so as to obtain a cobalt hydroxide precursor, and the cobalt hydroxide precursor is subjected to filtering, washing, drying and cracking, and is thereafter fired at 500 to 850°C for 0.5 to 3 hr in a sealed atmosphere, or is fired at 500 to 850°C in an inert gas-enriched air atmosphere in which the concentration of oxygen is held to 15 to
摘要翻译：解决的问题：提供一种结合优异的黑色度和高电阻率的具有小晶粒度和尖锐的晶粒尺寸分布的颗粒状氧化钴黑色颜料的制备方法。解决方案：关于生产颗粒状氧化钴黑色颜料的方法，在混合开始和之后，在10至13的pH下进行钴（二价）盐水溶液和碱溶液的中和，和中和或在混合和中和完成之后或之后，将含氧气体连续鼓泡，同时将反应浆料的温度保持在10至40℃，以获得氢氧化钴前体，并将氢氧化钴将前体进行过滤，洗涤，干燥和裂化，然后在密封气氛中在500〜850℃下烧制0.5〜3小时，或在惰性气体富集空气气氛中在500〜850℃下烧成其中氧气的浓度保持在15至22体积％。版权所有（C）2008，JPO＆INPIT

33. 发明专利

JP2006273678A Method for manufacturing hydrophobized magnetite particulate powder 有权
标题翻译：制造氢化磁珠颗粒粉末的方法
公开(公告)号：JP2006273678A
公开(公告)日：2006-10-12
申请号：JP2005097514
申请日：2005-03-30
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 , NAKAJIMA TAKASHI , MIWA MASAHIRO , NAKAYAMA MINORU , KINOSHITA KAZUYA , SHIMAMURA HIROYUKI
IPC分类号： C01G49/08
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing magnetite particulate powder by which magnetite particulate powder excellent in dispersibility particularly in a resin and suitable for manufacturing a chemical toner can be manufactured in an efficient and environmentally-friendly manner.
SOLUTION: The method for manufacturing magnetite particulate powder includes; adding one or more coupling agents containing silicon, aluminum or titanium to a magnetite cake obtained by an aqueous iron salt solution neutralization-oxygen-containing gas oxidation method; and carrying out kneading, drying and heat treatment.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种制造磁铁矿颗粒粉末的方法，通过该方法可以以有效和环境友好的方式制造特别是树脂中分散性优异且适于制造化学调色剂的磁铁矿颗粒粉末。解决方案：制造磁铁矿颗粒粉末的方法包括：将一种或多种含硅，铝或钛的偶联剂加入铁水溶液中和 - 含氧气体氧化法得到的磁铁矿块中; 进行捏合，干燥和热处理。版权所有（C）2007，JPO＆INPIT

34. 发明专利

JP2005289653A Composite black oxide particle, method for producing the same, black coating material, and black matrix 有权
标题翻译：复合黑氧化物颗粒，其制造方法，黑色涂料和黑色矩阵
公开(公告)号：JP2005289653A
公开(公告)日：2005-10-20
申请号：JP2004102539
申请日：2004-03-31
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 , SHIMAMURA HIROYUKI
IPC分类号： C01G53/00 , C09C1/00 , C09C3/06 , C09D7/12 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To provide composite black oxide particles which are excellent in blackness and flowability, and good in balance between oxidation resistance, dispersibility at the time of being used in a coating material, surface flatness of a coating formed from the coating material, and the like, and to provide a method for producing the same, a black coating material, and a black matrix.
SOLUTION: The spinel type or inverse-spinel type composite black oxide particles consist of oxides of cobalt, nickel and manganese, and has a molar ratio of nickel to cobalt of 0.2-0.6 and a molar ratio of manganese to cobalt of 0.5-1.0. The method for producing the composite black oxide particles comprises mixing an aqueous mixed solution prepared by using water-soluble metal salts of cobalt, nickel and manganese, and an alkali hydroxide so as to neutralize, then oxidizing the obtained slurry of the metal hydroxides at a temperature of >40°C to ≤60°C while keeping its pH at a value of 10-13, aging the obtained precursor at 80-150°C, subjecting the aged precursor to solid-liquid separation, and heat-treating the obtained solid at 400-700°C for >1 to ≤3 h.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供黑色度和流动性优异，耐氧化性，涂布时使用时的分散性，平滑度均匀的复合黑氧化物粒子，由涂层材料等，并提供其制造方法，黑色涂层材料和黑色矩阵。解决方案：尖晶石型或反尖晶石型复合黑氧化物颗粒由钴，镍和锰的氧化物组成，镍与钴的摩尔比为0.2-0.6，锰与钴的摩尔比为0.5 -1.0。复合黑氧化物粒子的制造方法包括将通过使用钴，镍和锰的水溶性金属盐和碱金属氢氧化物制备的水性混合溶液混合以中和，然后将所得到的金属氢氧化物的浆料在温度> 40℃至≤60℃，同时保持其pH值为10-13，将所得前体在80-150℃下老化，对老化前体进行固液分离，并将所得到的在400-700℃下固化> 1〜≤3h。版权所有（C）2006，JPO＆NCIPI

35. 发明专利

JP2005139063A Composite black oxide particle, its manufacturing method, black paint and black matrix 有权
标题翻译：复合黑氧化物颗粒，其制造方法，黑色和黑色矩阵
公开(公告)号：JP2005139063A
公开(公告)日：2005-06-02
申请号：JP2004299497
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： HAYASHI TOMIO , FUJIYASU SHOICHI , KATSUYAMA KOICHI , SHIMAMURA HIROYUKI
IPC分类号： G02B5/00 , C01G51/00 , C09D7/12 , C09D201/00 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a composite black oxide particle excellent in blackness, oxidation resistance, dispersibility at painting and the surface smoothness of a coated film and to provide its manufacturing method, a black paint and a black matrix. SOLUTION: The spinel-type or inverse-spinel-type composite black oxide particle consists of oxides of cobalt, copper and manganese, has a molar ratio of copper to cobalt of 0.1-0.5 and has a molar ratio of manganese to cobalt of 0.2-1.0. The method for manufacturing the composite black oxide particle is characterized in that a mixed metal salts aqueous solution prepared by water soluble salts of cobalt, copper and manganese and an alkali hydroxide are mixed for neutralization, the obtained slurry of the metal hydroxides is oxidized at higher than 40°C and 60°C or lower while keeping its pH value of 10-13 and an obtained precursor is aged at 80-150°C and heat-treated at 400-700°C and for more than 1 hour and 3 hours or less after solid-liquid separation. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供黑色，耐氧化性，涂装分散性和涂膜表面平滑性优异的复合黑氧化物粒子，并提供其制造方法，黑色涂料和黑色矩阵。解决方案：尖晶石型或反尖晶石型复合黑氧化物颗粒由钴，铜和锰的氧化物组成，铜与钴的摩尔比为0.1-0.5，具有锰与钴的摩尔比为0.2-1.0。复合黑氧化物粒子的制造方法的特征在于，将由钴，铜和锰的水溶性盐和碱金属氢氧化物制成的混合金属盐水溶液混合进行中和，所得到的金属氢氧化物的浆料在较高温度下被氧化在40℃和60℃以下，同时保持其pH值为10-13，所得前体在80-150℃下老化并在400-700℃下热处理1小时3小时或更低。版权所有（C）2005，JPO＆NCIPI

36. 发明专利

JP2005015337A Iron oxide particle and its production method 有权
标题翻译：氧化铁颗粒及其生产方法
公开(公告)号：JP2005015337A
公开(公告)日：2005-01-20
申请号：JP2004225268
申请日：2004-08-02
申请人： Mitsui Mining & Smelting Co Ltd , 三井金属鉱業株式会社
发明人： WATANABE HIROYUKI , KATSUYAMA KOICHI
IPC分类号： G03G9/083 , C01G49/08 , C09C1/24 , C09C3/06 , G03G9/107
摘要： PROBLEM TO BE SOLVED: To provide iron oxide particles of which the degree of blackness is not impaired; the magnetic characteristics are improved in a good balance; the fluidity poorness due to agglomeration, being a problem especially in the case of iron oxide particles with a small particle size, is improved; and the environmental dependency of moisture absorption or electric resistance under low-temperature low-humidity or high-temperature high-humidity conditions is small and to provide a method for producing the iron oxide particles.
SOLUTION: The surface of the iron oxide particle is covered with a thin film of a complex oxide consisting of iron, silicon, and Al. The particle satisfies expression (2): 1≤ΔR
LL /ΔR
HH ≤10, wherein ΔR
LL and ΔR
HH are the measured values (Ω×cm) of volume resistivity after the exposure for 24 hr in the environment at 10°C and 20%RH and at 35°C and 85% RH, respectively. Preferably, the particle satisfies expression (1): (ΔW
HH -ΔW
LL )/A≤0.05, wherein ΔW
LL and ΔW
HH are the moisture absorption (wt.%) after the exposure for 4 hr in the environment at 10°C and 20% RH and at 35°C and 85% RH, respectively.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供黑色度不受损害的氧化铁颗粒; 磁特性得到良好的平衡改善; 由于聚集而导致的流动性差，特别是在粒径小的氧化铁颗粒的情况下是一个问题; 并且在低温低湿度或高温高湿条件下的吸湿或电阻的环境依赖性小，并且提供了生产氧化铁颗粒的方法。解决方案：氧化铁颗粒的表面被由铁，硅和Al组成的复合氧化物的薄膜覆盖。颗粒满足表达式（2）：1≤ΔR LL /ΔR HH ≤10，其中ΔR LL 和ΔR< SB>是分别在10℃，20％RH，35℃，85％RH的环境下暴露24小时后体积电阻率的测定值（Ω×cm）。优选地，颗粒满足表达式（1）：（ΔW HH -ΔW LL ）/A≤0.05，其中ΔW LL 和ΔW HH 分别是在10℃，20％RH，35℃，85％RH的环境下暴露4小时后的吸湿性（重量％）。版权所有（C）2005，JPO＆NCIPI

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