Solvent Effect in Radical Copolymerization of Methyl Methacrylate with Styrene
- 1 March 1969
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science: Part A - Chemistry
- Vol. 3 (2) , 197-203
- https://doi.org/10.1080/10601326908053805
Abstract
A study of the copolymerization of methyl methacrylate and styrene in monosubstituted benzenes such as benzene, benzonitrile, benzyl alcohol, and phenol was made at 60°C. It was found that the copolymerization parameters changed significantly with the polarity of solvents, and the relative reactivity of methyl methacrylate toward the polystyryl radical was correlated with the ET values of solvents. These results and spectroscopic data suggest that in the transition state of this copolymerization the polarized structure of methyl methacrylate monomer became important, enhancing its reactivity, as the solvents became more protic.Keywords
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