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| Naji, M. |
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| Azevedo, Nuno Monteiro |
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Noble, Benjamin B.
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Publications (5/5 displayed)
- 2018Discrete and Stereospecific Oligomers Prepared by Sequential and Alternating Single Unit Monomer Insertioncitations
- 2016Nitroxide-Mediated Polymerization of Vinyl Chloride at Low Temperaturecitations
- 2015Effects of Ionization on Tacticity and Propagation Kinetics in Methacrylic Acid Polymerizationcitations
- 2015Mechanistic Perspectives on Stereocontrol in Lewis Acid-Mediated Radical Polymerizationcitations
- 2013First principles modelling of free-radical polymerisation kineticscitations
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booksection
Effects of Ionization on Tacticity and Propagation Kinetics in Methacrylic Acid Polymerization
Abstract
Theoretical calculations have been performed to model the propagation kinetics and ionization behavior of methacrylic acid (MAA) from first principles. The pKa values of various COOH groups of chemical species with direct relevance to MAA polymerization have also been calculated. At a given temperature, syndiotacticity increases with solvent polarity and ionization, and herein we show that accurate quantum chemistry can correctly account for these effects and explain their origin in terms of the changing structure of the charged propagating species.