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    • 5. 发明专利
    • Composite black oxide particle, method for producing the same, black coating material and black matrix
    • 复合黑氧化物颗粒,其制造方法,黑色涂料和黑色基质
    • JP2005255426A
    • 2005-09-22
    • JP2004066201
    • 2004-03-09
    • Mitsui Mining & Smelting Co Ltd三井金属鉱業株式会社
    • FUJIYASU SHOICHIHAYASHI TOMIOKATSUYAMA KOICHISHIMAMURA HIROYUKI
    • C01G51/00C09C1/62C09C3/06C09D201/00
    • PROBLEM TO BE SOLVED: To provide a composite black oxide particle in which blackness, oxidation resistance, and surface smoothness in a coating film when converted into a coating material and converted into the coating film are more excellent, and which has high electric resistance as well, to provide a method for producing the same, to provide a black coating material and to provide a black matrix.
      SOLUTION: The spinel type or inverse-spinel type composite black oxide particle is composed of oxides of cobalt, copper and manganese. The copper/cobalt molar ratio is 0.1 to 0.5, and the manganese/cobalt molar ratio is 0.2 to 1.0. The surface of the composite black oxide particle is coated with Al oxide. In the method for producing the composite black oxide particle, a metal salt-mixed aqueous solution prepared by using water soluble salts of cobalt, copper and manganese is neutrally mixed with an alkali hydroxide, the pH of the obtained metal hydroxide slurry is held to 10 to 13, oxidation is performed at >40 to 60°C, the obtained precursor is aged at 80 to 150°C, thereafter, a water soluble aluminum salt aqueous solution is added thereto to prepare the pH to 5 to 9, subsequently, solid-liquid separation is performed, and thereafter, heat treatment is performed at 400 to 700°C for >1 to 3 hr.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种复合黑色氧化物粒子,其中当转化成涂料并转化成涂膜时,涂膜中的黑色,抗氧化性和表面光滑度更优异,并且具有高电 电阻也提供其制造方法,以提供黑色涂层材料并提供黑色矩阵。 解决方案:尖晶石型或反尖晶石型复合黑色氧化物颗粒由钴,铜和锰的氧化物组成。 铜/钴摩尔比为0.1〜0.5,锰/钴摩尔比为0.2〜1.0。 复合黑色氧化物颗粒的表面涂有Al氧化物。 在复合黑氧化物粒子的制造方法中,通过使用钴,铜和锰的水溶性盐制备的金属盐混合水溶液与碱金属氢氧化物中性混合,将得到的金属氢氧化物浆料的pH保持在10 至13℃,在40〜60℃下进行氧化,将得到的前体在80〜150℃下老化,然后向其中加入水溶性铝盐水溶液使pH为5〜9, 进行液体分离,然后在400〜700℃下进行1〜3小时的热处理。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Method for producing granular cobalt oxide black pigment, and granular cobalt oxide black pigment
    • 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
    • JP2007284340A
    • 2007-11-01
    • JP2007074575
    • 2007-03-22
    • Mitsui Mining & Smelting Co Ltd三井金属鉱業株式会社
    • HOSHINO TOMOYUKIKATSUYAMA KOICHIFUJIYASU SHOICHINAKAJIMA TAKASHI
    • C01G51/04C09C1/00C09C3/04
    • C01G51/04C09C1/00C09C1/0009
    • 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
    • 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
    • 7. 发明专利
    • Composite black oxide particle, method for producing the same, black coating material, and black matrix
    • 复合黑氧化物颗粒,其制造方法,黑色涂料和黑色矩阵
    • JP2005289653A
    • 2005-10-20
    • JP2004102539
    • 2004-03-31
    • Mitsui Mining & Smelting Co Ltd三井金属鉱業株式会社
    • FUJIYASU SHOICHIKATSUYAMA KOICHIHOSHINO TOMOYUKISHIMAMURA HIROYUKI
    • C01G53/00C09C1/00C09C3/06C09D7/12C09D201/00
    • 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
    • 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
    • 8. 发明专利
    • Composite black oxide particle, its manufacturing method, black paint and black matrix
    • 复合黑氧化物颗粒,其制造方法,黑色和黑色矩阵
    • JP2005139063A
    • 2005-06-02
    • JP2004299497
    • 2004-10-14
    • Mitsui Mining & Smelting Co Ltd三井金属鉱業株式会社
    • HAYASHI TOMIOFUJIYASU SHOICHIKATSUYAMA KOICHISHIMAMURA HIROYUKI
    • G02B5/00C01G51/00C09D7/12C09D201/00G02F1/1335
    • 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
    • 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