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    • 1. 发明专利
    • Method for production of nickel nanoparticle
    • 生产镍纳米材料的方法
    • JP2011214144A
    • 2011-10-27
    • JP2011056231
    • 2011-03-15
    • Iwatani Internatl CorpNippon Steel Chem Co LtdOsaka Univ国立大学法人大阪大学岩谷産業株式会社新日鐵化学株式会社
    • YAMADA KATSUHIROINOUE SHUJINOMOTO HIDEAKIYAMAUCHI TOMOHISAWADA YUJITSUKAHARA YASUNORI
    • B22F9/24B82Y40/00
    • PROBLEM TO BE SOLVED: To produce nickel nanoparticles which have appropriate dimension and distribution of grain size, and further have an improved sintering temperature by utilizing a liquid phase reaction technique.SOLUTION: There is provided a method for production of nickel nanoparticles, which comprises: a step of heating a mixture of nickel carboxylate with a primary amine to prepare a complexed reaction solution, and a step of irradiating the complexed reaction solution with a microwave thereby heating the complexed reaction solution at a temperature of ≥200°C to produce metal composite nickel nanoparticles containing a high melting point metal with a melting point higher than that of nickel. After the salt of the high melting metal is blended in any of the stage of preparing the mixture, the stage of the mixture or the stage of the complexed reaction solution at the latest before the irradiation with a microwave, heating with a microwave is performed. The nickel carboxylate is nickel acetate, the primary amine is oleylamine, and the high melting point metal salt is a tungsten salt or a molybdenum salt.
    • 要解决的问题:制备具有适当尺寸和粒度分布的镍纳米颗粒,并且通过利用液相反应技术进一步具有改进的烧结温度。解决方案:提供了一种生产镍纳米颗粒的方法,其包括: 加热羧酸镍与伯胺的混合物以制备络合的反应溶液的步骤,以及用微波照射络合的反应溶液的步骤,从而在≥200℃的温度下加热络合的反应溶液以产生金属复合物 含有熔点高于镍的高熔点金属的镍纳米粒子。 在制备混合物的任何阶段中混合高熔点金属的盐之后,在微波照射之前,在微波加热下进行混合物的阶段或复合反应溶液的阶段。 羧酸镍是乙酸镍,伯胺是油胺,高熔点金属盐是钨盐或钼盐。
    • 2. 发明专利
    • Method for producing ferrioxide-containing metal composite nickel nanoparticles, and ferrioxide-containing metal composite nickel nanoparticle
    • 含有含氧化铵的金属复合镍基纳米粒子的制备方法,含有金属氧化物的金属复合镍基纳米粒子
    • JP2012193418A
    • 2012-10-11
    • JP2011058706
    • 2011-03-17
    • Nippon Steel Chem Co LtdOsaka UnivIwatani Internatl Corp国立大学法人大阪大学岩谷産業株式会社新日鐵化学株式会社
    • INOUE SHUJIYAMADA KATSUHIRONOMOTO HIDEAKIYAMAUCHI TOMOHISAWADA YUJITSUKAHARA YASUNORIKAWABATA RYOJIOKUMURA HARUKI
    • B22F9/24B22F1/00C22C19/03
    • PROBLEM TO BE SOLVED: To obtain, in a liquid phase reaction technique, nickel nanoparticles having a properly high sintering temperature while securing proper size and distribution of the particle size.SOLUTION: The method for producing ferrioxide-containing metal composite nickel nanoparticles includes: a complexing reaction solution generation step of heating a mixture of nickel carboxylate, iron salt and primary amine to a temperature within the range of 100-165°C to obtain a reaction solution; and a nanoparticle slurry generation step of heating the reaction solution to a temperature of 170°C or higher by microwave irradiation to obtain a metal composite nickel nanoparticle slurry containing ferrioxide. In the nanoparticle containing ferrioxide, the total amount of nickel element, iron element and oxygen element is 95 pts.mass or more relative to 100 pts.mass of the metal composite nickel nanoparticle, the amount of iron element is within the range of 5-50 pts.mass relative to 100 pts.mass of the total amount of nickel element and iron element, the average particle size is within the range of 30-150 nm, and the ferrioxide is mainly composed of triiron tetraoxide.
    • 要解决的问题为了在液相反应技术中获得具有适当高的烧结温度的镍纳米颗粒,同时确保了适当的粒度和粒度的分布。 解决方案:含有氧化亚铁的金属复合镍纳米颗粒的制造方法包括:将羧酸镍,铁盐和伯胺的混合物加热到100-165℃的温度范围内的络合反应溶液生成步骤, 获得反应溶液; 以及通过微波照射将反应溶液加热至170℃以上的纳米粒子浆料生成工序,得到含有二氧化碳的金属复合镍纳米粒子浆料。 在含有三氧化二铁的纳米粒子中,镍元素,铁元素和氧元素的总量比金属复合镍纳米粒子的100质量份高95个或更多,铁元素的量在5- 相对于镍元素和铁元素总量的100pts.mass,平均粒径为30〜150nm,氧化铁主要由四氧化三铁构成。 版权所有(C)2013,JPO&INPIT