%0 Journal Article %A Soerensen, Nicolai %A Schroeder, Hendrik %A Buback, Michael %D 2016 %T SP–PLP–EPR Measurement of CuII-Mediated ATRP Deactivation and CuI‑Mediated Organometallic Reactions in Butyl Acrylate Polymerization %U https://acs.figshare.com/articles/journal_contribution/SP_PLP_EPR_Measurement_of_Cu_sup_II_sup_-Mediated_ATRP_Deactivation_and_Cu_sup_I_sup_Mediated_Organometallic_Reactions_in_Butyl_Acrylate_Polymerization/3459008 %R 10.1021/acs.macromol.6b00760.s001 %2 https://acs.figshare.com/ndownloader/files/5439308 %K organometallic reactions %K DMA %K measure Cu II %K deactivation rate %K dodecyl methacrylate %K BA propagation rate %K butyl acrylate %K Butyl Acrylate Polymerization %K Cu catalysts %K organometallic reaction %K BA radicals %K Mediated ATRP Deactivation %K SP %K ATRP deactivation %K Cu II %K 1 order %X The SP–PLP–EPR technique has been used to measure CuII-mediated ATRP deactivation and CuI-mediated organometallic reactions for butyl acrylate (BA) polymerization. The deactivation rate is by more than 1 order of magnitude higher than in dodecyl methacrylate (DMA) polymerization, thus enabling well-controlled ATRP despite the enhanced BA propagation rate. The organometallic reaction of CuI with BA radicals was found to play a role only with highly active Cu catalysts, as demonstrated for the Cu/TPMA-mediated ATRP of BA. %I ACS Publications