Purmova, Jindra; Pauwels, Kim; van Zoelen, Wendy; Vorenkamp, Eltjo; Schouten, Arend; Coote, Michelle
The monomer conversion dependence of the formation of the various types of defect structures in radical suspension polymerization of vinyl chloride was examined via both 1H and 13C NMR spectrometry. The rate coefficients for model propagation and intra- and intermolecular hydrogen abstraction reactions were obtained via high-level ab initio molecular orbital calculations. An enormous increase in the formation of both branched and internal unsaturated structures was observed at conversions above...[Show more]
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