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Issue 1, 2014
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Self-activation and activation of Cu(0) wire for SET-LRP mediated by fluorinated alcohols

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Abstract

Herein we report the self-activation and activation of Cu(0) wire used to form a catalyst in single-electron transfer living radical polymerization (SET-LRP) in two fluorinated alcohols employed as solvents, 2,2,2-trifluoroethanol (TFE) and 2,2,3,3-tetrafluoropropanol (TFP). Self-activation and activation of Cu(0) wire by TFP exhibit a stronger increase of the apparent rate constant of propagation, kappp, compared to TFE. SET-LRP of methyl acrylate (MA) in DMSO catalyzed with TFP-activated Cu(0) wire showed a comparable kappp value to that of the hydrazine-activated Cu(0) wire-catalyzed counterpart. SET-LRP catalyzed with Cu(0) wire pretreated with TFE or TFP, and the in situactivation of Cu(0) wire while using TFE or TFP as solvent, proceeded with no initial induction period and exhibits predictable molecular weight evolution with conversion and narrow molecular weight distribution.

Graphical abstract: Self-activation and activation of Cu(0) wire for SET-LRP mediated by fluorinated alcohols

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Article information


Submitted
27 júl. 2013
Accepted
31 júl. 2013
First published
01 ágú. 2013

Polym. Chem., 2014,5, 89-95
Article type
Paper

Self-activation and activation of Cu(0) wire for SET-LRP mediated by fluorinated alcohols

S. R. Samanta, H. Sun, A. Anastasaki, D. M. Haddleton and V. Percec, Polym. Chem., 2014, 5, 89
DOI: 10.1039/C3PY01007D

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