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Self-activation and activation of Cu(0) wire for SET-LRP mediated by fluorinated alcohols
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Samanta, Shampa R., Sun, Hao-Jan, Anastasaki, Athina, Haddleton, David M. and Percec, Virgil (2014) Self-activation and activation of Cu(0) wire for SET-LRP mediated by fluorinated alcohols. Polymer Chemistry, Volume 5 (Number 1). pp. 89-95. doi:10.1039/c3py01007d ISSN 1759-9954.
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Official URL: http://dx.doi.org/10.1039/C3PY01007D
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 situ activation 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.
| Item Type: | Journal Article | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry | ||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||||
| Library of Congress Subject Headings (LCSH): | Activation (Chemistry), Copper oxide, Polymerization, Alcohols, Fluorination | ||||||||||
| Journal or Publication Title: | Polymer Chemistry | ||||||||||
| Publisher: | Royal Society of Chemistry | ||||||||||
| ISSN: | 1759-9954 | ||||||||||
| Official Date: | 7 January 2014 | ||||||||||
| Dates: |
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| Volume: | Volume 5 | ||||||||||
| Number: | Number 1 | ||||||||||
| Page Range: | pp. 89-95 | ||||||||||
| DOI: | 10.1039/c3py01007d | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Funder: | National Science Foundation (U.S.) (NSF), University of Pennsylvania, University of Warwick | ||||||||||
| Grant number: | DMR- 1120901 and DMR-1066116 (NSF) |
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