Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition
Patent
1993-05-20
1994-01-18
Green, Anthony
Compositions: coating or plastic
Coating or plastic compositions
Corrosion inhibiting coating composition
106 112, 106 1405, 106 1421, 75228, 75230, 75232, 75235, 75255, 148 22, 148 24, 148 26, 148261, 148262, C09D 508, C22C 2912
Patent
active
052796493
ABSTRACT:
A coating composition comprises a slurry consisting essentially of an aluminum neutralized phosphate bonding solution and aluminum powder. The bonding solution advantageously contains a relatively small but essential amount of vanadium pentoxide and, preferably, magnesium. A process for forming the bonding solution component of the coating slurry includes equilibrating an aqueous phosphate solution with a small but controlled and necessary amount of solute aluminum prior to adding aluminum powder to form the slurry. The present invention overcomes the problem of bonding solutions which require environmentally disadvantageous chromates or molybdates.
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Brentnall William D.
Hsu Lulu L.
Mutasim Zaher Z.
Stetson Alvin R.
Green Anthony
McFall Robert A.
Solar Turbines Incorporated
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