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Issue 8, 2016
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Universal mass spectrometric analysis of poly(ionic liquid)s

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Abstract

We introduce a universal high resolution mass spectrometric method for the analysis of poly(ionic liquid)s (PILs), which belong to the most challenging polyelectrolytes from an analytical perspective, by fusing high resolution collision-induced dissociation (CID)-Orbitrap mass spectrometry (MS) with supercharging agents as well as quadrupole time-of-flight (QToF) MS. The study includes a wide array of hydrophilic halide-containing PILs, which were analyzed in negative mode. The influence of the core structures (based on imidazolium, triazolium, ammonium, phosphonium and pyridinium moieties), and variable styrene-, acrylate- and vinyl-type IL polymers on the ionization behavior is mapped in detail. Variable end group functionalities were introduced via functional chain transfer agents (CTA) in reversible addition-fragmentation chain transfer (RAFT) polymerization to study their behavior during the MS analysis. Furthermore, the demanding class of vinylimidazolium halide IL polymers was investigated. The current contribution thus introduces a new analytical technology platform for an entire polymer class.

Graphical abstract: Universal mass spectrometric analysis of poly(ionic liquid)s

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Publication details

The article was received on 25 Mar 2016, accepted on 19 Apr 2016 and first published on 21 Apr 2016


Article type: Edge Article
DOI: 10.1039/C6SC01347C
Citation: Chem. Sci., 2016,7, 4912-4921
  • Open access: Creative Commons BY license
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    Universal mass spectrometric analysis of poly(ionic liquid)s

    M. M. Cecchini, J. Steinkoenig, S. Reale, L. Barner, J. Yuan, A. S. Goldmann, F. De Angelis and C. Barner-Kowollik, Chem. Sci., 2016, 7, 4912
    DOI: 10.1039/C6SC01347C

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