Process for the production of silver coated particles

Details Process for the production of silver coated particles Process for the production of silver coated particles

1997-07-14

1999-08-31

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

427217, 427405, 427437, 428403, B05D 714, B05D 118

Patent

active

059451580

ABSTRACT:
A process for the preparation of silver coated particles useful as polymer fillers is provided. Copper coated, or copper particles are dispersed in an alkaline ammoniacal solution to remove impurities and activate the surfaces thereof. A combined completing and reducing agent is added. Finally, a solution containing silver ions is used to coat the particles with a uniform layer of silver.

REFERENCES:
patent: 4309457 (1982-01-01), Kawasumi et al.
patent: 4652465 (1987-03-01), Koto et al.
patent: 4888216 (1989-12-01), Sannohe et al.
patent: 5178909 (1993-01-01), Hayashi

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