Development of composition and study of properties of a new high-efficiency silicon-containing protective conversion coating on zinc-plated surfaces |
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| Authors: | V P Meshalkin A A Abrashov T A Vagramyan N S Grigoryan |
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| Institution: | 1.Mendeleev Russian University of Chemical Technology,Moscow,Russia;2.Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The composition was developed for a new high-efficiency silicon-containing protective conversion coating for application to zinc-plated surfaces. It was proven experimentally and theoretically that this new environmentally safe coating is comparable in corrosion resistance and protective power to environmentally hazardous chromate coatings; however, unlike the latter, the former is efficient at high temperatures (to 150°C). For extra protection of a material being coated, it was proposed to additionally apply a new, nontoxic (hazard class 4) organic film based on gallic acid esters. |
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