Xiao-Hui Liu, Yun-Hai Yu, Di Jia, Bo-Wen Cheng, Fei-Jun Zhang, Hui-Na Li, Peng Chen and Shan Xie In situ Cu(0)-mediated single electron transfer living radical polymerization of methyl methacrylate using nickel powder Journal of Polymer Science Part A: Polymer Chemistry 51
Single electron transfer living radical polymerization of methyl methacrylate catalyzed by the in situ prepared Cu(0) at ambient temperature was first examined using various metallic powders, including Zn(0), Ni(0), Mg(0), and Fe(0). The polymerization initiated with the Ni(0)/EBiB/CuBr2/PMDETA system exhibited optimal living/controlled nature and generated polymers with PDI as low as 1.04 for 75.27% conversion and controlled molecular weights close to theoretical values. A wide of range of Cu(II) salts were also investigated as catalyst sources instead of CuBr2. The recycling of Ni(0) was very convenient due to its magnetic property, which enables its extensive application.
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