COATING COMPOSITIONS COMPRISING A POLYSULFIDE CORROSION INHIBITOR

The present disclosure is directed to a coating composition comprising a film-forming binder, and a corrosion inhibitor comprising a polysulfide corrosion inhibitor, wherein the polysulfide corrosion inhibitor has a passive window value measured as a solution over a substrate greater than the passiv...

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Bibliographische Detailangaben
Hauptverfasser: Dacko, Christopher Andrew, Furar, Elizabeth Anne, Ferlic, Megan Elizabeth, McQuown, Stephen Glenn, Yetter, JR., John Robert, Lim, Mary Lyn Chong, Hils, Cedric John, Martin, Justin Jonathan
Format: Patent
Sprache:eng
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Zusammenfassung:The present disclosure is directed to a coating composition comprising a film-forming binder, and a corrosion inhibitor comprising a polysulfide corrosion inhibitor, wherein the polysulfide corrosion inhibitor has a passive window value measured as a solution over a substrate greater than the passive window value of a solution without the corrosion inhibitor tested over the same substrate, as measured according to the PASSIVE WINDOW TEST METHOD, and the poly sulfide corrosion inhibitor has a polarization resistance (Rp) measured as a solution over a substrate greater than the polarization resistance (Rp) of a solution without the corrosion inhibitor tested over the same substrate, as measured according to the LINEAR POLARIZATION RESISTANCE TEST METHOD.