ma6b00760_si_001.pdf (235.3 kB)

SP–PLP–EPR Measurement of CuII-Mediated ATRP Deactivation and CuI‑Mediated Organometallic Reactions in Butyl Acrylate Polymerization

Download (235.3 kB)
journal contribution
posted on 23.06.2016 by Nicolai Soerensen, Hendrik Schroeder, Michael Buback
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.