Open Access
Polymers, volume 13, issue 18, pages 3059
Solute Diffusion into Polymer Swollen by Supercritical CO2 by High-Pressure Electron Paramagnetic Resonance Spectroscopy and Chromatography
Gromov Oleg I
1
,
Kostenko Mikhail O
2
,
Petrunin Alexander V
3
,
Popova Anastasia A
1
,
Parenago Olga O
1, 2
,
Minaev N. V.
4
,
1
3
Institute of Physical Chemistry, RWTH Aachen University, 52056 Aachen, Germany
|
Publication type: Journal Article
Publication date: 2021-09-10
PubMed ID:
34577959
General Chemistry
Polymers and Plastics
Abstract
High-pressure electron paramagnetic resonance (EPR) was used to measure translational diffusion coefficients (Dtr) of a TEMPONE spin probe in poly(D,L-lactide) (PDLLA) and swollen in supercritical CO2. Dtr was measured on two scales: macroscopic scale (>1 μm), by measuring spin probe uptake by the sample; and microscopic scale (<10 nm), by using concentration-dependent spectrum broadening. Both methods yield similar translational diffusion coefficients (in the range 5–10 × 10−12 m2/s at 40–60 °C and 8–10 MPa). Swollen PDLLA was found to be homogeneous on the nanometer scale, although the TEMPONE spin probe in the polymer exhibited higher rotational mobility (τcorr = 6 × 10−11 s) than expected, based on its Dtr. To measure distribution coefficients of the solute between the swollen polymer and the supercritical medium, supercritical chromatography with sampling directly from the high-pressure vessel was used. A distinct difference between powder and bulk polymer samples was only observed at the start of the impregnation process.
Citations by journals
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1
2
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Russian Journal of Physical Chemistry B
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Russian Journal of Physical Chemistry B
2 publications, 40%
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Molecules
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Molecules
1 publication, 20%
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Polymers
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Polymers
1 publication, 20%
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Food Engineering Reviews
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Food Engineering Reviews
1 publication, 20%
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1
2
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Citations by publishers
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1
2
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 40%
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Pleiades Publishing
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Pleiades Publishing
2 publications, 40%
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Springer Nature
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Springer Nature
1 publication, 20%
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1
2
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Gromov O. I. et al. Solute Diffusion into Polymer Swollen by Supercritical CO2 by High-Pressure Electron Paramagnetic Resonance Spectroscopy and Chromatography // Polymers. 2021. Vol. 13. No. 18. p. 3059.
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Gromov O. I., Kostenko M. O., Petrunin A. V., Popova A. A., Parenago O. O., Minaev N. V., Golubeva E. N., Melnikov M. Y. Solute Diffusion into Polymer Swollen by Supercritical CO2 by High-Pressure Electron Paramagnetic Resonance Spectroscopy and Chromatography // Polymers. 2021. Vol. 13. No. 18. p. 3059.
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TY - JOUR
DO - 10.3390/polym13183059
UR - https://doi.org/10.3390%2Fpolym13183059
TI - Solute Diffusion into Polymer Swollen by Supercritical CO2 by High-Pressure Electron Paramagnetic Resonance Spectroscopy and Chromatography
T2 - Polymers
AU - Kostenko, Mikhail O
AU - Petrunin, Alexander V
AU - Popova, Anastasia A
AU - Golubeva, Elena N.
AU - Gromov, Oleg I
AU - Parenago, Olga O
AU - Minaev, N. V.
AU - Melnikov, Mikhail Y.
PY - 2021
DA - 2021/09/10 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 3059
IS - 18
VL - 13
PMID - 34577959
SN - 2073-4360
ER -
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@article{2021_Gromov,
author = {Mikhail O Kostenko and Alexander V Petrunin and Anastasia A Popova and Elena N. Golubeva and Oleg I Gromov and Olga O Parenago and N. V. Minaev and Mikhail Y. Melnikov},
title = {Solute Diffusion into Polymer Swollen by Supercritical CO2 by High-Pressure Electron Paramagnetic Resonance Spectroscopy and Chromatography},
journal = {Polymers},
year = {2021},
volume = {13},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {sep},
url = {https://doi.org/10.3390%2Fpolym13183059},
number = {18},
pages = {3059},
doi = {10.3390/polym13183059}
}
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Gromov, Oleg I., et al. “Solute Diffusion into Polymer Swollen by Supercritical CO2 by High-Pressure Electron Paramagnetic Resonance Spectroscopy and Chromatography.” Polymers, vol. 13, no. 18, Sep. 2021, p. 3059. https://doi.org/10.3390%2Fpolym13183059.