Question

mechanism of polymerisation​

Answer 1

Polymerization

Mechanism of polymerization of methyl methacrylate (MMA) was studied by means of isotope effects. Deuterium isotope effect of cobalt porphyrin catalysed chain transfer in MMA free-radical polymerization was determined as the ratio of rate constants for reactions of perdeuterated or not-deuterated monomer.99 Natural abundance of 13C kinetic isotope was applied to compare mechanisms of free-radical polymerization and atom transfer radical polymerization (ATRP). The reaction was carried out in xylene at 60°C in the presence of CuBr/N-propyl-2-pyridinylmethanimine or AIBN

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