Metal powder paint composition
AssigneeGraham Magnetics Incorporated
InventorsRobert J. Deffeyes, Harris W. Armstrong
Life of this patent
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Abstract
A novel silver powder paint composition characterized by a very low fusion, or film-forming temperature, probably assignable to the relatively small amount of oxides or other undesirable occlusions within coatings formed of the powder. The invention also relates to a new process for forming such a powder; the process is believed to involve the formation of a fatty-acid silver reaction product of the surface of the silver powder before it is subjected to fusion into a metallic coating. During fusion the decomposing reactant seems to act as a flux aiding the formation of a metal film of superior appearance and strength.
Claims14
In a paint composition comprising a liquid vehicle and a non-conductive metal powder composition, the improvement comprising said metal powder composition being formed of (a) a metal powder substrate and (b) organic groups chemically bonded to said metal powder substrate and forming a protective barrier between the metal particles, said metal powders being thermally convertable into fusible metal powder and subsequently into a conductive mass, upon the destruction of said protective barrier.
Dependencies are inferred from the claim text.