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Nga H. Nguyen and Virgil Percec Acid dissolution of copper oxides as a method for the activation of Cu(0) wire catalyst for SET-LRP Journal of Polymer Science Part A: Polymer Chemistry 49

Version of Record online: 18 JUL 2011 | DOI: 10.1002/pola.24866

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Commercial Cu(0) wire coated with copper oxides was activated via pretreatment with concentrated acids such as HNO3, glacial CH3COOH and HCl. In this process, the oxide layer was removed upon dissolution of copper oxides in acid. SET-LRP of MA catalyzed with Cu(0) wire activated using the acid dissolution method showed comparable kpapp value to that of the nonactivated Cu(0) wire-catalyzed polymerizations. Consistent to the results from hydrazine-activated Cu(0) wire experiment, the polymerizations proceeded with no initial induction period, with predictable molecular weight evolution with conversion, and narrow molecular weight distribution.

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