Open Access
Polymers, volume 14, issue 8, pages 1511
Nafion Swelling in Salt Solutions in a Finite Sized Cell: Curious Phenomena Dependent on Sample Preparation Protocol
Ninham Barry W
1
,
Bolotskova Polina N
2, 3
,
Gudkov Sergey V.
3
,
Baranova E. N.
4, 5
,
Kozlov V A
2, 3
,
Shkirin A V
3, 6
,
Vu Minh Tuan
2
,
Bunkin Nikolai F.
2, 3
Publication type: Journal Article
Publication date: 2022-04-08
PubMed ID:
35458261
General Chemistry
Polymers and Plastics
Abstract
When a membrane of Nafion swells in water, polymer fibers “unwind” into the adjoining liquid. They extend to a maximum of about ~300 μm. We explore features of Nafion nanostructure in several electrolyte solutions that occur when the swelling is constrained to a cell of size less than a distance of 300 μm. The constraint forces the polymer fibers to abut against the cell windows. The strongly amphiphilic character of the polymer leads to a shear stress field and the expulsion of water from the complex swollen fiber mixture. An air cavity is formed. It is known that Nafion membrane swelling is highly sensitive to small changes in ion concentration and exposure to shaking. Here we probe such changes further by studying the dynamics of the collapse of the induced cavity. Deionized water and aqueous salt solutions were investigated with Fourier IR spectrometry. The characteristic times of collapse differ for water and for the salt solutions. The dynamics of the cavity collapse differs for solutions prepared by via different dilution protocols. These results are surprising. They may have implications for the standardization of pharmaceutical preparation processes.
Citations by journals
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1
2
3
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Polymers
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Polymers
3 publications, 42.86%
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Molecules
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1 publication, 14.29%
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E3S Web of Conferences
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E3S Web of Conferences
1 publication, 14.29%
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1 publication, 14.29%
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Physics of Wave Phenomena
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Physics of Wave Phenomena
1 publication, 14.29%
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1
2
3
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Citations by publishers
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1
2
3
4
5
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
5 publications, 71.43%
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EDP Sciences
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EDP Sciences
1 publication, 14.29%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 14.29%
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1
2
3
4
5
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Ninham B. W. et al. Nafion Swelling in Salt Solutions in a Finite Sized Cell: Curious Phenomena Dependent on Sample Preparation Protocol // Polymers. 2022. Vol. 14. No. 8. p. 1511.
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Ninham B. W., Bolotskova P. N., Gudkov S. V., Baranova E. N., Kozlov V. A., Shkirin A. V., Vu M. T., Bunkin N. F. Nafion Swelling in Salt Solutions in a Finite Sized Cell: Curious Phenomena Dependent on Sample Preparation Protocol // Polymers. 2022. Vol. 14. No. 8. p. 1511.
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TY - JOUR
DO - 10.3390/polym14081511
UR - https://doi.org/10.3390%2Fpolym14081511
TI - Nafion Swelling in Salt Solutions in a Finite Sized Cell: Curious Phenomena Dependent on Sample Preparation Protocol
T2 - Polymers
AU - Ninham, Barry W
AU - Bolotskova, Polina N
AU - Vu, Minh Tuan
AU - Gudkov, Sergey V.
AU - Baranova, E. N.
AU - Kozlov, V A
AU - Shkirin, A V
AU - Bunkin, Nikolai F.
PY - 2022
DA - 2022/04/08 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1511
IS - 8
VL - 14
PMID - 35458261
SN - 2073-4360
ER -
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@article{2022_Ninham,
author = {Barry W Ninham and Polina N Bolotskova and Minh Tuan Vu and Sergey V. Gudkov and E. N. Baranova and V A Kozlov and A V Shkirin and Nikolai F. Bunkin},
title = {Nafion Swelling in Salt Solutions in a Finite Sized Cell: Curious Phenomena Dependent on Sample Preparation Protocol},
journal = {Polymers},
year = {2022},
volume = {14},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {apr},
url = {https://doi.org/10.3390%2Fpolym14081511},
number = {8},
pages = {1511},
doi = {10.3390/polym14081511}
}
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Ninham, Barry W., et al. “Nafion Swelling in Salt Solutions in a Finite Sized Cell: Curious Phenomena Dependent on Sample Preparation Protocol.” Polymers, vol. 14, no. 8, Apr. 2022, p. 1511. https://doi.org/10.3390%2Fpolym14081511.