Abstract
AbstractA new redox system for vinyl polymerization comprising hydrazine, cupric ions and molecular oxygen is described. The influece of the pH of the medium, the monomer concentration, and the concentration of cupric ions on the rate of polymerization and the rate of hydrazine disappearance is studied. The results are explained in terms of a mechanism involving one‐electron oxidation of hydrazine by a cupric ion to produce the hydrazyl radical, the conversion of cuprous ions to cupric ions by atmospheric oxygen which involves radical intermediates capable of initiation of polymerization and a termination reaction involving the polymeric radical, cuprous ion and oxygen.
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