Summary
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1.
It was shown that, owing to the comparatively low tendency of vinyl sulfides to undergo ion-induced transformations, they give quantitative yields of polymers only in presence of the active ionic catalyst (BF3 · (C2H5)2O) under comparatively severe conditions of temperature.
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2.
As a chemical method for the determination of the molecular weight of the polymer, titration of vinylthio end groups was used.
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3.
It was shown that.considerably more vinyl sulfide polymer of low molecular weight is obtained under the conditions of ionic polymerization than under the conditions of free-radical polymerization.
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Shostakovsky, M.F., Prilezhaeva, E.N. & Karavaeva, V.M. Synthesis of sulfur compounds with the aid of vinyl ethers and acetylene Communication 14. ionic polymerization of alkyl vinyl sulfides. Russ Chem Bull 6, 631–634 (1957). https://doi.org/10.1007/BF01169281
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DOI: https://doi.org/10.1007/BF01169281