Anodically formed intrinsically conductive polymer-aluminum oxide composite as a coating on aluminum
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United States of America Patent
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Nov 16, 2004
Grant Date -
Feb 5, 2004
app pub date -
Sep 18, 2001
filing date -
Jan 5, 1998
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Abstract
A method for forming a coating on aluminum by contacting the aluminum with water, at least one multifunctional polymeric organic acid, a monomer of an intrinsically conductive polymer and polymerizing the ICP monomer and forming aluminum oxide by imposing an electrical potential between the aluminum surface as the anode and a cathode. The intrinsically conductive polymer salt and aluminum oxide coating that is formed resists corrosion and is resistant to de-doping during immersion in hot water.
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