Title:
METHOD FOR PRODUCING COPPER MICROPARTICLES
Document Type and Number:
WIPO Patent Application WO/2022/264541
Kind Code:
A1
Abstract:
A method for producing copper microparticles according to the present invention comprises: a step for removing halogen from copper particles by reacting copper particles containing halogen with a reducing agent in a first solvent that comprises water, a hydrophilic solvent or a mixed solvent thereof; a step for uniformly dispersing a fatty acid salt and the copper particles in the first solvent; and a step for neutralizing the first solvent with a weak acid, and forming, on the surfaces of the copper particles, a fatty acid coating with a fatty acid of the fatty acid salt.
Inventors:
MINAMI YUSUKE (JP)
ABE KENJI (JP)
UESUGI NAOYA (JP)
ABE KENJI (JP)
UESUGI NAOYA (JP)
Application Number:
PCT/JP2022/008830
Publication Date:
December 22, 2022
Filing Date:
March 02, 2022
Export Citation:
Assignee:
FURUKAWA CHEMICALS CO LTD (JP)
International Classes:
B22F1/00; B22F9/24; B22F1/102; B22F1/14
Foreign References:
| JPH02129309A | 1990-05-17 | |||
| JPH0353010A | 1991-03-07 | |||
| JP2008013837A | 2008-01-24 | |||
| JP2007184143A | 2007-07-19 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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