Vapor phase corrosion inhibitor-desiccant material

Details Vapor phase corrosion inhibitor-desiccant material Vapor phase corrosion inhibitor-desiccant material

1993-10-14

1995-06-06

Ryan, Patrick J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Component of composite having metal continuous phase...

428209, 428403, 428407, 422 8, 106 1442, 252389A, 252390, 252194, 264 95, 264211, 524204, 524238, B32B 900

Patent

active

054221870

ABSTRACT:
A vapor phase corrosion inhibitor-desiccant composite comprising silica gel granules coated with a vapor phase corrosion inhibitor component. The corrosion inhibitor component is selected from a formulation comprising anhydrous molybdates such as ammonium dimolybdate, sodium molybdate and amine molybdates mixed with benzotriazole and sodium nitrate, or from a formulation comprising amine benzoates, amine nitrates and benzotriazole. The composites can be impregnated into foam, extruded with polyolefin films which can additionally be laminated with metallized second film, or encapsulated in an air-permeable container. The corrosion inhibitor formulations have vapor pressures which provide ongoing corrosion protection for susceptible articles situated favorably with respect to the composite.

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