COMPOSITE NICKEL NANOPARTICLES AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2012/124625

A1

A method for producing composite nickel nanoparticles comprises: A) a step for obtaining a complexed reaction solution by heating a mixture of nickel carboxylic acid and a primary amine at a temperature ranging from 100°C to 165°C; B) a step for obtaining a metallic nickel nanoparticle slurry by heating the complexed reaction solution at a temperature of at least 170°C by microwave irradiation, and reducing nickel ions in the complexed reaction solution such that the nickel ions are covered by the primary amine; and C) a step for obtaining composite nickel nanoparticles, which are covered by the primary amine and elemental sulfur or an elemental-sulfur-containing organic compound, by adding sulfur powder or the elemental-sulfur-containing organic compound, which is capable of replacing the covering primary amine, to the metallic nickel nanoparticle slurry covered by the primary amine.

INOUE SHUJI (JP)
YAMADA KATSUHIRO (JP)
NOMOTO HIDEROU (JP)
YAMAUCHI TOMOHISA (JP)
WADA YUJI (JP)
TSUKAHARA YASUNORI (JP)
KAWAHATA RYOJI (JP)
OKUMURA HARUKI (JP)

PCT/JP2012/056112

September 20, 2012

March 09, 2012

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NIPPON STEEL CHEMICAL CO (JP)
UNIV OSAKA (JP)
IWATANI CORP (JP)
INOUE SHUJI (JP)
YAMADA KATSUHIRO (JP)
NOMOTO HIDEROU (JP)
YAMAUCHI TOMOHISA (JP)
WADA YUJI (JP)
TSUKAHARA YASUNORI (JP)
KAWAHATA RYOJI (JP)
OKUMURA HARUKI (JP)

B22F1/00; B22F1/102; B22F1/16; B22F9/24; B82Y30/00; B82Y40/00; H01B5/00; H01B13/00; B22F1/054

WO2008001741A1

2008-01-03

JP2010037647A	2010-02-18
JP2005536634A	2005-12-02

WATANABE Kazuhiro et al. (JP)
Kazuhiro Watanabe (JP)

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