Process of producing metal sulfide powder coated with copper

Details Process of producing metal sulfide powder coated with copper Process of producing metal sulfide powder coated with copper

1978-11-08

1980-09-09

Silverberg, Sam

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

428403, 252 26, B05D 700

Patent

active

042218284

ABSTRACT:
Metal sulfide powder coated with copper is produced by mixing powder of a metal and/or an alloy baser than copper with powder of a metal sulfide, and then adding an acidic solution containing copper ions to the resulting mixture with stirring. The metal sulfide particles are coated with metallic copper that results from a cementation reaction. Where the metal sulfide powder contains too coarse or fine particles, it is ground, granulated, and sized before the mixing.

REFERENCES:
patent: 2664363 (1953-12-01), Meth
patent: 2748023 (1956-05-01), Meth
patent: 3956528 (1976-05-01), Ugro

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