Online tracing of molecular weight evolution during radical polymerization via high-resolution FlowNMR spectroscopy

Jeroen Vrijsen; Isabel Thomlinson; Martin Levere; Catherine Lyall; Matthew Davidson; Ulrich Hintermair; Tanja Junkers

doi:10.1039/d0py00475h

Online tracing of molecular weight evolution during radical polymerization via high-resolution FlowNMR spectroscopy

Jeroen Vrijsen, Isabel Thomlinson, Martin Levere, Catherine Lyall, Matthew Davidson, Ulrich Hintermair, Tanja Junkers

Research output: Contribution to journal › Article › peer-review

Abstract

High-resolution FlowNMR was coupled to a continuous flow reactor to monitor polymer molecular weight evolution online by diffusion ordered NMR spectroscopy. Polymers were synthesized by reversible addition fragmentation chain transfer polymerization in continuous flow. The setup allows to target various polymer chain lengths in a dynamic manner without requiring additional purification or sample preparation. Obtaining molecular weight information in this manner is shown to be more accurate than classical SEC analysis at comparable measurement times, with relative errors around 5%.

Original language	English
Pages (from-to)	3546-3550
Journal	Polymer Chemistry
Volume	11
Issue number	21
Early online date	6 May 2020
DOIs	https://doi.org/10.1039/d0py00475h
Publication status	Published - 7 Jun 2020

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Online tracing of molecular weight evolution during radical polymerization via high-resolution FlowNMR spectroscopy. / Vrijsen, Jeroen; Thomlinson, Isabel ; Levere, Martin ; Lyall, Catherine ; Davidson, Matthew ; Hintermair, Ulrich; Junkers, Tanja.

In: Polymer Chemistry, Vol. 11, No. 21, 07.06.2020, p. 3546-3550.

Research output: Contribution to journal › Article › peer-review

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