Chemistry: electrical and wave energy – Processes and products
Patent
1975-01-09
1976-11-30
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
204 23, 204223, 204228, 204DIG9, C25D 338, C25D 518, C25D 700
Patent
active
039947858
ABSTRACT:
Electrolytic methods for making high density copper powder starting with copper powder of lower apparent density are disclosed. Copper powder of lower apparent density is used as a cathode for the formation of copper powder having a desired relatively high apparent density. According to one embodiment, an integral two-phase process is provided in which copper powder of relatively lower apparent density is formed by electrodeposition, and the powder so-formed is then used in a second phase electrodeposition process as a cathode on which copper powder of the desired relatively high apparent density is formed.
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