Abstract
The polymerization of 10-vinyl phenothiazine in presence of thin chloride hydrates has been studied. Analysis of the kinetic and spectral data shows that growth of the polymer chain mostly draws on the free bi-cation. In polar media polymerization is accompanied by solvolysis of the intermediate cation-radical of the monomer and the formation of a new initiating particle—vinyl cation. Excess catalyst leads to partial elimination of the phenothiazine substituent from the polymer chain.
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