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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 |
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Pages (from-to) | 3546-3550 |
Journal | Polymer Chemistry |
Volume | 11 |
Issue number | 21 |
Early online date | 6 May 2020 |
DOIs | |
Publication status | Published - 7 Jun 2020 |
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Dive into the research topics of 'Online tracing of molecular weight evolution during radical polymerization via high-resolution FlowNMR spectroscopy'. Together they form a unique fingerprint.Projects
- 1 Finished
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An Integrated, Multi-Dimensional In-Operando Reaction Monitoring Facility for Homogenous Catalysis Research
Davidson, M. (PI), Hintermair, U. (CoI), Knight, J. (CoI), Lowe, J. (CoI), Lowe, J. (CoI) & Lubben, A. T. (CoI)
Engineering and Physical Sciences Research Council
10/07/16 → 9/07/19
Project: Research council