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Journal Article

Universal mass spectrometric analysis of poly(ionic liquid)s

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Yuan,  Jiayin
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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2345956.pdf
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2345956_supp.pdf
(Supplementary material), 7MB

Citation

Cecchini, M. M., Steinkoenig, J., Reale, S., Barner, L., Yuan, J., Goldmann, A. S., et al. (2016). Universal mass spectrometric analysis of poly(ionic liquid)s. Chemical Science, 7(8), 4912-4921. doi:10.1039/C6SC01347C.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-5FF4-7
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.