会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明专利
    • Method for producing copper nanoparticle
    • 生产铜纳米微粒的方法
    • JP2011074476A
    • 2011-04-14
    • JP2009229482
    • 2009-10-01
    • Furukawa Electric Co Ltd:The古河電気工業株式会社
    • HIRAYAMA YOSUKE
    • B22F9/24B22F1/00
    • PROBLEM TO BE SOLVED: To provide a method for producing copper nanoparticles in which particle diameter is the nanosize of ≤10 nm, and also, a particle size distribution width is narrow.
      SOLUTION: In the method for producing copper nanoparticles, cupic hydroxide (Cu(OH)
      2 ) in a reduction reaction aqueous solution is brought into reduction reaction with an organic dispersant (D) in the presence of sodium borohydride (NaBH
      4 ) as a reducing agent while stirring, copper ions formed by the dissolution of the cupic hydroxide and undissolved cupic hydroxide are coexistent in the aqueous solution during the reduction reaction, the copper ions in the aqueous solution are reduced so as to produce copper atoms and copper nanoparticles by the progression of the reduction reaction, in accordance with the same, the undissolved cupic hydroxide is continuously dissolved into the aqueous solution so as to produce copper ions, and the reduction reaction is performed at the saturated solubility of the cupic hydroxide or at a concentration less than that in the aqueous solution.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供粒径为≤10nm的纳米尺寸的纳米粒子的制造方法,粒径分布宽度窄。 解决方案:在制备铜纳米颗粒的方法中,还原反应水溶液中的氢氧化铜(Cu(OH)2 SBB))在有机分散剂(D)的存在下进行还原反应 的硼氢化钠(NaBH·SB> 4 )作为还原剂,同时搅拌,通过氢氧化铜溶解和未溶解的氢氧化铜形成的铜离子在还原反应中在水溶液中共存,铜离子 通过还原反应的进行,水溶液被还原以产生铜原子和铜纳米颗粒,根据相同的原理,将未溶解的氢氧化铜连续地溶解到水溶液中以产生铜离子,还原反应 以氢氧化铜的饱和溶解度或低于水溶液中的浓度进行。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Manufacturing method of copper particulate dispersion liquid, and copper particulate dispersion liquid
    • 铜颗粒分散液和铜颗粒分散液的制造方法
    • JP2009242824A
    • 2009-10-22
    • JP2008087945
    • 2008-03-28
    • Furukawa Electric Co Ltd:TheJapan Advanced Institute Of Science & Technology Hokuriku古河電気工業株式会社国立大学法人北陸先端科学技術大学院大学
    • HIRAYAMA YOSUKEMAENOZONO SHINYA
    • B22F9/00B01D21/01B01F17/16B01F17/22B01F17/38B01F17/42B01F17/52B01J13/00B22F9/24
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a copper particulate dispersion liquid in which the copper particulates modified by an aliphatic amine is dispersible in a high concentration in a specific dispersion liquid and which is excellent in dispersion stability for a long period of time, and a copper particulate dispersion liquid. SOLUTION: The method includes: (i) a step of adding a flocculation agent to an aqueous copper particulate dispersion liquid in which portions of copper particulates of a mean grain size 1 to 150 nm of primary particles are covered with a dispersant and are dispersed in the aqueous liquid and recovering the copper particulates; (ii) a step of adding the copper particulates into an aliphatic amine or a modification agent liquid composed of a liquid dissolved with the aliphatic amine in an organic liquid to obtain a dispersion liquid of the copper particulates in which the surfaces of the copper particulates are modified by the aliphatic amine under stirring; (iii) a step of adding the flocculation agent to the dispersion liquid, and recovering the modified copper particulate; and (iv) a step of obtaining the copper particulate by redispersing the modified copper particulates into the one or two or more dispersion liquids selected from chloroform. Limonene, and diol. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种铜颗粒分散液的制造方法,其中通过脂肪族胺改性的铜微粒在特定分散液中以高浓度分散,并且对于长的分散稳定性优异 一段时间,和一个铜颗粒分散液。 解决方案:该方法包括:(i)向铜颗粒分散液中加入絮凝剂的步骤,其中一次颗粒的平均粒径为1至150nm的铜颗粒的一部分被分散剂覆盖, 分散在水性液体中并回收铜微粒; (ii)将铜微粒添加到有机液体中的脂肪族胺或由与脂肪族胺溶解的液体组成的改性剂液体的步骤,得到铜微粒表面的铜微粒的分散液, 在脂肪胺搅拌下改性; (iii)将絮凝剂添加到分散液中并回收改性铜颗粒的步骤; 和(iv)通过将改性铜颗粒再分散到选自氯仿中的一种或两种或更多种分散液中来获得铜颗粒的步骤。 柠檬烯和二醇。 版权所有(C)2010,JPO&INPIT