Processes for preparation of oxidation resistant metal powders

Details Processes for preparation of oxidation resistant metal powders Processes for preparation of oxidation resistant metal powders

1991-11-08

1992-12-29

Group, Karl

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

106 1442, 252512, 252513, 252514, 427217, C09K 1518

Patent

active

051750244

ABSTRACT:
Metallic objects such as conductive metal powders comprising metal such as copper, nickel, silver, cobalt and palladium can be treated to remove surface oxide layers by contacting with a combination of a chelating amine compound and a reducing catechol derivative at elevated temperature, preferably in a solution of ethylene glycol.

REFERENCES:
patent: 4382981 (1983-05-01), Stoetzer et al.
patent: 4387115 (1983-06-01), Kitamura et al.
patent: 4539041 (1985-09-01), Figlarz et al.
patent: 4614837 (1986-09-01), Kane et al.

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