Anticorrosion Sol-Gel Coating For Metal Substrate
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United States of America Patent
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Issued Date -
Jan 31, 2013
app pub date -
Jan 20, 2011
filing date -
Jan 22, 2010
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Abandoned
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Abstract
Method and apparatus for protecting a metal substrate from corrosion. The method comprises generating an acid catalysed sol-gel which is combined with a polyaniline solution before coating onto a metal substrate. The coating is then cured and optionally activated by subjecting the coating to alkaline conditions. The resultant metal substrate coating comprises an inter-mediate layer having a composition resultant from the reaction of the sol-gel layer with the substrate such that the sol-gel coating is chemically bonded to the substrate via the intermediate layer.
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