Production of copper powder

Details Production of copper powder Production of copper powder

1997-03-11

1998-12-15

Ryan, Patrick

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75245, 75228, 75331, 75255, 75247, 75342, 148513, 148514, B22F 0924

Patent

active

058500472

ABSTRACT:
A method of producing copper powder having little variation in its particle size and an excellent monodispersion properties. A copper complex ion solution is prepared from a copper-containing solution and a complexing agent, then a reducing agent is added to the copper complex ion solution to precipitate metallic copper. The copper-containing solution herein contains copper sulfate, copper formate, copper pyrophosphate, copper chloride or copper carbonate and the complexing agent is at least one carboxylate or phosphate.

REFERENCES:
patent: 4645532 (1987-02-01), Mackiw et al.

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