Abstract

The authors have investigated the mechanism and conditions of formation of polymer coatings on a cathode during electrochemical initiation of polymerization of N-methylol acrylamide in acidic (pH 1–6) aqueous solutions. It is shown that at φ = −0·5 − 1·1 V both in absence of additives in solution and in presence in it of zinc chloride polymerization is initiated by the active particles formed on reduction of hydrogen and at φ ⩾ − 1·1 V by radicals generated on reduction of the zinc-monomer complex. Comparative analysis of the mechanism of film formation and the properties of coatings akin in composition obtained on electrochemical initiation of polymerization of N-methulol acrylamide and the acrylamide-formaldehyde composition has been made.

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