Inhibiting the Anodic Dissolution of a Steel with Polydiallyldimethylammonium Chloride and Acrylamide Copolymers with Trimethylammoniumethylacrylate Chloride and Sodium Acrylate M. V. Boiko,* E. E, Akimova,** S. B. Bulgarevich,** and V. A. Fevraleva** * Southern Scientific Center, Russian Academy of Sciences, ul. Chekhova 41, Rostov-on-Don, 344006 Russia ** Rostov State Transport University, pl. Rostovskogo strelkovogo polka narodnogo opolcheniya 2,
Rostov-on-Don, 344038 Russia E-mail:
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Received March 3, 2007 Abstract — Polydiallyldimethylammonium chloride, as well as acrylamide copolymers with trimethylammoni-umethylacrylate, which are industrial flocculants, are tested as corrosion inhibitors on St45 steel. The inhibitor properties are manifested by polydiallyldimethylammonium chloride and acrylamide copolymer with trimethylammoniumethylacrylate chloride. These are determined by the adsorption of polymer molecules on the metal surface. The protective effect of inhibitors is estimated. A mechanism of the adsorption of the surface-active substances on an iron electrode surface is proposed. PACS numbers: 82. 45. Bd DOI: 10.1134/S0033173208060180
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