Abstract
A series of metal−phosphonate organic−inorganic polymeric hybrid materials are synthesized, structurally characterized, and evaluated for their anticorrosion properties for the protection of carbon steels. These materials are Zn−AMP (where AMP = amino-tris(methylenephosphonate)), Zn−HDTMP (where HDTMP = hexamethylenediamine-tetrakis(methylenephosphonate)), and Ca−PBTC (where PBTC = 2-phosphonobutane-1,2,4-tricarboxylate)). Their structures are described and compared. Their corrosion inhibition performances are also compared, and some interesting conclusions are drawn that relate molecular structure to inhibitory activity.
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