Lake, Ben. (2016). Macromolecules 2015 "A Synthetic and Multispectroscopic Speciation Analysis of Controlled Radical Polymerization Mediated by Amine–Bis(phenolate)iron Complexes" - EPSRC EPSRC EP/M000842/1, [dataset]. University of Edinburgh. https://doi.org/10.7488/ds/281.
The mechanism of reversible-deactivation radical polymerization (RDRP) mediated by chloro-substituted amine–bis(phenolate)iron complexes was studied via a combination of Mössbauer, EPR, NMR, and online Vis/NIR spectroscopy. It was found that styrene polymerization operates via an atom-transfer radical polymerization (ATRP) mechanism when alkyl halide is present, whereas an interplay between ATRP and organometallic-mediated radical polymerization (OMRP) equilibria occurs during MMA polymerization. The preparation of the amine–bis(phenolate)iron(II) complex, [O2NN′]FeII, allowed polymerizations to be performed under an OMRP-only regime free of alkyl halide that yields dispersities as low as 1.29 for MMA polymerization.
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