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Nga H. Nguyen and Virgil Percec Disproportionating versus nondisproportionating solvent effect in the SET-LRP of methyl acrylate during catalysis with nonactivated and activated cu(0) wire Journal of Polymer Science Part A: Polymer Chemistry 49

Version of Record online: 18 JUL 2011 | DOI: 10.1002/pola.24865

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In disproportionating solvents, significant rate enhancement was achieved in the SET-LRP of MA upon switching from the catalysis with nonactivated Cu(0) wire coated with Cu2O to activated Cu(0) wire free of Cu2O. However, the positive rate acceleration was not observed for the SET-LRP of MA in nondisproportionating solvents. The negligible rate change, nonlinear first-order kinetics and progressive loss of bromide functionality provided by the polymerizations in nondisprortionating solvents confirm again that disproportionation is the key step in SET-LRP.

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