study of temperature and polymerization kinetics using a dinuclear cobalt catalyst for polymerization of methyl methacrylate

Polymerization of methyl methacrylate was investigated with a catalytic system (a dinuclear cobalt (ii) catalyst based on phenoxyimine ligand [(1,4 phenylenebis(azaneylylidene)) bis(1-benzylinolin-2-one)] with 1,4-phenylenediamine bridge). methylaluminoxane (mmao) was used as a co-catalyst with a molar ratio of [al]/[co]=1000:1. effect of temperature (29±1 up to 60±1 °c) and polymerization time (2 up to 24 h) on the polymerization behavior were studied. the highest activity was obtained at 40±1°c at the early polymerization time (66.87 g pmma/mmol co. h).