Rust converting and rust inhibiting primer
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United States of America Patent
Stats
-
Jul 31, 1984
Grant Date -
N/A
app pub date -
Apr 14, 1983
filing date -
Apr 14, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rust converting and rust inhibiting primer is disclosed which comprises an aqueous suspension or aqueous emulsion of an alkyd resin, about 150 to 275 parts by weight of pigment containing at least 50 parts by weight of red iron oxide pigment, the remainder being extender pigment, a drying accelerator for said alkyd resin composed of one or more polyvalent metal salts in an amount of about 0.5 to 1.5 parts by weight of said metal and about 1 to 7 parts by weight of a surfactant active as an oil-and-water dispersant or emulsifier all parts by weight being based on 100 parts by weight of said alkyd resin. The primer is compatible with a wide variety of coatings and can be applied directly to a clean or corroded surface of a metal.
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