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    • 6. 发明授权
    • Preparation of nanosized copper (I) compounds
    • 纳米尺寸铜(I)化合物的制备
    • US07700796B2
    • 2010-04-20
    • US10413754
    • 2003-04-16
    • Kenrick M. LewisChi-Lin O'Young
    • Kenrick M. LewisChi-Lin O'Young
    • C01G3/05
    • B82Y30/00C01C3/08C01C3/11C01G3/00C01G3/04C01G3/05C01P2002/72C01P2002/77C01P2002/82C01P2004/62C01P2004/64Y10S977/773Y10S977/81
    • A method of making nanosized copper (I) compounds, in particular, copper (I) halides, pseudohalides, and cyanocuprate complexes, in reverse micelles or microemulsions is disclosed herein. The method of the invention comprises (a) dissolving a copper (II) compound in the polar phase of a first reverse micelle or microemulsion, (b) dissolving a copper (II) to copper (I) reducing agent or a pseudohalide salt in the polar phase of a second sample of the same reverse micelle or microemulsion, (c) mixing the two reverse micelle/microemulsions samples to form nanometer sized copper (I) compounds and (d) recovering said nanometer sized copper (I) compounds. The present invention is also directed to the resultant nanosized copper (I) compounds, such as copper (I) chloride, copper (I) cyanide, and potassium cyanocuprate complexes having an average particle size of about 0.1 to 600 nanometers.
    • 本文公开了一种在反胶束或微乳液中制备纳米尺寸铜(I)化合物,特别是卤化铜(I),拟卤化物和氰基偶联物络合物的方法。 本发明的方法包括(a)将铜(II)化合物溶解在第一反胶束或微乳液的极性相中,(b)将铜(II)溶解在铜(I)还原剂或拟卤化物盐中, 相同反胶束或微乳液的第二样品的极性相,(c)混合两个反胶束/微乳液样品以形成纳米尺寸的铜(I)化合物和(d)回收所述纳米尺寸的铜(I)化合物。 本发明还涉及所得到的纳米尺度铜(I)化合物,例如氯化铜(I),氰化铜(I)和平均粒度约为0.1至600纳米的氰基钴酸钾配合物。
    • 10. 发明申请
    • Nanosized Copper Catalyst Precursors For The Direct Synthesis Of Trialkoxysilanes
    • 用于直接合成三烷氧基硅烷的纳米铜催化剂前体
    • US20110065948A1
    • 2011-03-17
    • US12950445
    • 2010-11-19
    • Sabrina R. CromerRegina Nelson EngKenrick M. LewisAbellard T. MereighChi-Lin O'YoungHua Yu
    • Sabrina R. CromerRegina Nelson EngKenrick M. LewisAbellard T. MereighChi-Lin O'YoungHua Yu
    • C07F7/04
    • C07F7/025B01J23/72
    • The present invention provides a process for using nanosized copper, nanosized copper oxides, nanosized copper chlorides, other nanosized copper salts, and mixtures thereof, as sources of catalytic copper in the Direct Synthesis of trialkoxysilanes of the formula HSi(OR)3 wherein R is an alkyl group containing from 1 to 6 carbon atoms inclusive. The nanosized copper, nanosized copper oxides, nanosized copper chlorides, other nanosized copper salts, and their mixtures of this invention have average particle sizes that are in the range from about 0.1 to about 60 nanometers, preferably from about 0.1 to about 30 nanometers, and most preferably from about 0.1 to about 15 nanometers. Nanosized sources of catalytic copper afford high dispersion of catalytic sites on silicon and contribute to high reaction rates, high selectivity and high silicon conversion. The nanosized copper catalyst precursors of the invention permit the use of substantially reduced levels of copper compared to conventional practice.
    • 本发明提供了在直接合成式HSi(OR)3的三烷氧基硅烷中使用纳米尺寸铜,纳米尺寸铜氧化物,纳米尺寸氯化铜,其它纳米铜盐及其混合物作为催化铜的来源的方法,其中R为 含有1〜6个碳原子的烷基。 本发明的纳米尺寸的铜,纳米尺寸的氧化铜,纳米尺寸的氯化铜,其他的纳米级铜盐及其混合物的平均粒度范围为约0.1至约60纳米,优选为约0.1至约30纳米, 最优选约0.1至约15纳米。 催化铜的纳米化来源提供了硅上催化位点的高分散性,有助于高反应速率,高选择性和高硅转化率。 与常规实践相比,本发明的纳米尺寸铜催化剂前体允许使用显着降低的铜含量。