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Diffusion (DOSY) 1H NMR as an alternative method for molecular weight determination of poly(ethylene furanoate) (PEF) polyesters

Jan-Georg Rosenboom, Jonathan De Roo (UGent) , Giuseppe Storti and Massimo Morbidelli
(2017) MACROMOLECULAR CHEMISTRY AND PHYSICS. 218(1).
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Abstract
Poly(ethylene furanoate) (PEF) is a promising 100% biomass-derived alternative to poly(ethylene terephthalate) (PET), but challenges all solution characterization methods due to its insolubility in most common solvents. Diffusion (DOSY) H-1 NMR can be an alternative, reliable and fast method to analyze molecular weights of PEF polyesters. Calibration with PET standards yields excellent agreement of DOSY predictions with the absolute M-n and M-w values obtained via size exclusion chromatography equipped with multi-angle light scattering detector in the range of commercial relevance (M-w < 100 000 g mol(-1)). Mean square displacement analysis shows unhindered molecular diffusion for all tested concentrations (from 0.4 to 30 mg mL(-1)). The DOSY procedure can be optimized toward shorter analysis times (down to 1 min) and a more straightforward implementation, making it a powerful and fast tool for molecular weight analysis in the laboratory as well as in industrial process applications.
Keywords
diffusion, DOSY, molecular weight, NMR, poly(ethylene furanoate), RING-OPENING POLYMERIZATION, ORDERED NMR, GRADIENT, SPECTROSCOPY, POLYMERS, ACIDS

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MLA
Rosenboom, Jan-Georg, et al. “Diffusion (DOSY) 1H NMR as an Alternative Method for Molecular Weight Determination of Poly(Ethylene Furanoate) (PEF) Polyesters.” MACROMOLECULAR CHEMISTRY AND PHYSICS, vol. 218, no. 1, 2017, doi:10.1002/macp.201600436.
APA
Rosenboom, J.-G., De Roo, J., Storti, G., & Morbidelli, M. (2017). Diffusion (DOSY) 1H NMR as an alternative method for molecular weight determination of poly(ethylene furanoate) (PEF) polyesters. MACROMOLECULAR CHEMISTRY AND PHYSICS, 218(1). https://doi.org/10.1002/macp.201600436
Chicago author-date
Rosenboom, Jan-Georg, Jonathan De Roo, Giuseppe Storti, and Massimo Morbidelli. 2017. “Diffusion (DOSY) 1H NMR as an Alternative Method for Molecular Weight Determination of Poly(Ethylene Furanoate) (PEF) Polyesters.” MACROMOLECULAR CHEMISTRY AND PHYSICS 218 (1). https://doi.org/10.1002/macp.201600436.
Chicago author-date (all authors)
Rosenboom, Jan-Georg, Jonathan De Roo, Giuseppe Storti, and Massimo Morbidelli. 2017. “Diffusion (DOSY) 1H NMR as an Alternative Method for Molecular Weight Determination of Poly(Ethylene Furanoate) (PEF) Polyesters.” MACROMOLECULAR CHEMISTRY AND PHYSICS 218 (1). doi:10.1002/macp.201600436.
Vancouver
1.
Rosenboom J-G, De Roo J, Storti G, Morbidelli M. Diffusion (DOSY) 1H NMR as an alternative method for molecular weight determination of poly(ethylene furanoate) (PEF) polyesters. MACROMOLECULAR CHEMISTRY AND PHYSICS. 2017;218(1).
IEEE
[1]
J.-G. Rosenboom, J. De Roo, G. Storti, and M. Morbidelli, “Diffusion (DOSY) 1H NMR as an alternative method for molecular weight determination of poly(ethylene furanoate) (PEF) polyesters,” MACROMOLECULAR CHEMISTRY AND PHYSICS, vol. 218, no. 1, 2017.
@article{8502438,
  abstract     = {{Poly(ethylene furanoate) (PEF) is a promising 100% biomass-derived alternative to poly(ethylene terephthalate) (PET), but challenges all solution characterization methods due to its insolubility in most common solvents. Diffusion (DOSY) H-1 NMR can be an alternative, reliable and fast method to analyze molecular weights of PEF polyesters. Calibration with PET standards yields excellent agreement of DOSY predictions with the absolute M-n and M-w values obtained via size exclusion chromatography equipped with multi-angle light scattering detector in the range of commercial relevance (M-w < 100 000 g mol(-1)). Mean square displacement analysis shows unhindered molecular diffusion for all tested concentrations (from 0.4 to 30 mg mL(-1)). The DOSY procedure can be optimized toward shorter analysis times (down to 1 min) and a more straightforward implementation, making it a powerful and fast tool for molecular weight analysis in the laboratory as well as in industrial process applications.}},
  articleno    = {{1600436}},
  author       = {{Rosenboom, Jan-Georg and De Roo, Jonathan and Storti, Giuseppe and Morbidelli, Massimo}},
  issn         = {{1022-1352}},
  journal      = {{MACROMOLECULAR CHEMISTRY AND PHYSICS}},
  keywords     = {{diffusion,DOSY,molecular weight,NMR,poly(ethylene furanoate),RING-OPENING POLYMERIZATION,ORDERED NMR,GRADIENT,SPECTROSCOPY,POLYMERS,ACIDS}},
  language     = {{und}},
  number       = {{1}},
  pages        = {{10}},
  title        = {{Diffusion (DOSY) 1H NMR as an alternative method for molecular weight determination of poly(ethylene furanoate) (PEF) polyesters}},
  url          = {{http://doi.org/10.1002/macp.201600436}},
  volume       = {{218}},
  year         = {{2017}},
}
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