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

文献情報

出版日 2013-08-01

DOI 10.1039/C3PY01007D

インパクトファクター 5.582

著者

Shampa R. Samanta, Hao-Jan Sun, David M. Haddleton, Virgil Percec

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要旨

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.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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

文献情報

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