Multilayer durable fluorocarbon coatings
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United States of America Patent
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Apr 25, 1989
Grant Date -
N/A
app pub date -
Oct 9, 1987
filing date -
Oct 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Substrates, and especially aluminum substrates, are durably coated to include, as a basecoat, a heavily pigmented opaque coating composition consisting essentially of from about 45% to about 85% of a fluorocarbon resin and from 15% to about 55% of an acrylic resin, and having a pigment volume concentration sufficient to visually obliterate anything beneath it, said heavily pigmented coating composition being overcoated with a fluorocarbon topcoat containing from about 45% to about 85% of a fluorocarbon resin, and from about 15% to about 55% of an acrylic resin, on a resin solids basis, and having a pigment volume concentration of at least about 1%, on a film solids basis, the pigment content of said topcoat being insufficient to prevent the color of the basecoat from being easily seen.
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