A process for the preparation of vinylic polymers which comprises conducting an anionic polymerization wherein the metal of the cation counter to the carbanion of the propagation terminal is mg or. Vinylic group of itaconic acid esters is not polymerizable by gtp. Because of the instability of vinyl alcohol the thermoplastic polyvinyl alcohol pva or pvoh is made indirectly by polymerization of vinyl acetate followed by hydrolysis of the ester bonds ac acetyl.
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