Corrosion inhibition

Details Corrosion inhibition Corrosion inhibition

1989-08-23

1990-07-31

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

422 7, 204148, C23F 1300, C23F 1500

Patent

active

049449168

ABSTRACT:
Corrosion of metals such as silver and copper by sulfur and chlorine containing entities are substantially prevented by surrounding these materials with a suitable polymeric structure. The structure should be a polymer containing a material such as copper or aluminum that reacts readily with corrosive gases. In one advantageous embodiment a polymer bag containing approximately 35 weight percent of dispersed, powdered copper is employed to enclose a metal containing structure such as a printed circuit board. Use of this expedient substantially reduces corrosion of the printed circuit board.

REFERENCES:
patent: 1766646 (1930-06-01), Jones
patent: 3007767 (1961-11-01), Bolt et al.
patent: 4156751 (1979-05-01), Yenni, Jr. et al.
patent: 4864089 (1989-09-01), Tighe
Modern Packaging, Charles A. Southwick, Jr., Feb. 1945, pp. 125-127.

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