Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy

J. Chokki; G. Darracq; Peter Pölt; J. Baron; H Gallard; M. Joyeux; B. Teychene

doi:10.1016/j.polymdegradstab.2019.01.017

Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy

J. Chokki, G. Darracq, Peter Pölt, J. Baron, H Gallard, M. Joyeux, B. Teychene

Institute of Electron Microscopy and Nanoanalysis (5190)

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

Abstract

It is well recognized that chlorine is responsible for aging of membrane materials. The goal of this study is to investigate the modifications of a commercial PES/PVP hollow fiber membrane exposed to hypochlorite solution at pH 7.5 by continuous filtration. Thanks to ATR-FTIR 2D Correlation Spectroscopy (2DCoS) analysis it was confirmed that PVP is oxidized into succinimide compound. 2DCoS analysis revealed the sequence order of PES/PVP membrane degradation: PVP oxidation is followed by the modifications of C-H cyclic structures and finally the formation of succinimide compounds. ATR-FTIR-microscopy mapping unveiled that PVP was mainly situated at the inner surface of hollow fibers exhibiting initially a 67 μm thickness layer. PVP layer disappearance was not homogenous versus the exposure dose suggesting the topochemical character of the PVP-chlorine reaction. Results demonstrate that advanced material characterization are key methodologies to understand membrane aging mechanisms.

Original language	English
Pages (from-to)	131 - 138
Number of pages	8
Journal	Polymer degradation and stability
Volume	161
DOIs	https://doi.org/10.1016/j.polymdegradstab.2019.01.017
Publication status	Published - 2019

Keywords

2DCoS
FTIR-Mapping
Membrane aging
PES/PVP membrane
Sodium hypochlorite
Ultrafiltration

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Mechanics of Materials
Materials Chemistry
Polymers and Plastics

Fields of Expertise

Advanced Materials Science

Treatment code (Nähere Zuordnung)

Experimental

Access to Document

10.1016/j.polymdegradstab.2019.01.017

Cite this

Chokki, J., Darracq, G., Pölt, P., Baron, J., Gallard, H., Joyeux, M., & Teychene, B. (2019). Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy. Polymer degradation and stability, 161, 131 - 138. https://doi.org/10.1016/j.polymdegradstab.2019.01.017

Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy. / Chokki, J.; Darracq, G.; Pölt, Peter et al.
In: Polymer degradation and stability, Vol. 161, 2019, p. 131 - 138.

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

Chokki, J, Darracq, G, Pölt, P, Baron, J, Gallard, H, Joyeux, M & Teychene, B 2019, 'Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy', Polymer degradation and stability, vol. 161, pp. 131 - 138. https://doi.org/10.1016/j.polymdegradstab.2019.01.017

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title = "Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy",

abstract = "It is well recognized that chlorine is responsible for aging of membrane materials. The goal of this study is to investigate the modifications of a commercial PES/PVP hollow fiber membrane exposed to hypochlorite solution at pH 7.5 by continuous filtration. Thanks to ATR-FTIR 2D Correlation Spectroscopy (2DCoS) analysis it was confirmed that PVP is oxidized into succinimide compound. 2DCoS analysis revealed the sequence order of PES/PVP membrane degradation: PVP oxidation is followed by the modifications of C-H cyclic structures and finally the formation of succinimide compounds. ATR-FTIR-microscopy mapping unveiled that PVP was mainly situated at the inner surface of hollow fibers exhibiting initially a 67 μm thickness layer. PVP layer disappearance was not homogenous versus the exposure dose suggesting the topochemical character of the PVP-chlorine reaction. Results demonstrate that advanced material characterization are key methodologies to understand membrane aging mechanisms.",

keywords = "2DCoS, FTIR-Mapping, Membrane aging, PES/PVP membrane, Sodium hypochlorite, Ultrafiltration",

author = "J. Chokki and G. Darracq and Peter P{\"o}lt and J. Baron and H Gallard and M. Joyeux and B. Teychene",

year = "2019",

doi = "10.1016/j.polymdegradstab.2019.01.017",

language = "English",

volume = "161",

pages = "131 -- 138",

journal = "Polymer degradation and stability",

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AU - Chokki, J.

AU - Darracq, G.

AU - Pölt, Peter

AU - Baron, J.

AU - Gallard, H

AU - Joyeux, M.

AU - Teychene, B.

PY - 2019

Y1 - 2019

N2 - It is well recognized that chlorine is responsible for aging of membrane materials. The goal of this study is to investigate the modifications of a commercial PES/PVP hollow fiber membrane exposed to hypochlorite solution at pH 7.5 by continuous filtration. Thanks to ATR-FTIR 2D Correlation Spectroscopy (2DCoS) analysis it was confirmed that PVP is oxidized into succinimide compound. 2DCoS analysis revealed the sequence order of PES/PVP membrane degradation: PVP oxidation is followed by the modifications of C-H cyclic structures and finally the formation of succinimide compounds. ATR-FTIR-microscopy mapping unveiled that PVP was mainly situated at the inner surface of hollow fibers exhibiting initially a 67 μm thickness layer. PVP layer disappearance was not homogenous versus the exposure dose suggesting the topochemical character of the PVP-chlorine reaction. Results demonstrate that advanced material characterization are key methodologies to understand membrane aging mechanisms.

AB - It is well recognized that chlorine is responsible for aging of membrane materials. The goal of this study is to investigate the modifications of a commercial PES/PVP hollow fiber membrane exposed to hypochlorite solution at pH 7.5 by continuous filtration. Thanks to ATR-FTIR 2D Correlation Spectroscopy (2DCoS) analysis it was confirmed that PVP is oxidized into succinimide compound. 2DCoS analysis revealed the sequence order of PES/PVP membrane degradation: PVP oxidation is followed by the modifications of C-H cyclic structures and finally the formation of succinimide compounds. ATR-FTIR-microscopy mapping unveiled that PVP was mainly situated at the inner surface of hollow fibers exhibiting initially a 67 μm thickness layer. PVP layer disappearance was not homogenous versus the exposure dose suggesting the topochemical character of the PVP-chlorine reaction. Results demonstrate that advanced material characterization are key methodologies to understand membrane aging mechanisms.

KW - 2DCoS

KW - FTIR-Mapping

KW - Membrane aging

KW - PES/PVP membrane

KW - Sodium hypochlorite

KW - Ultrafiltration

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U2 - 10.1016/j.polymdegradstab.2019.01.017

DO - 10.1016/j.polymdegradstab.2019.01.017

M3 - Article

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SP - 131

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JO - Polymer degradation and stability

JF - Polymer degradation and stability

ER -

Investigation of Poly(ethersulfone)/Polyvinylpyrrolidone ultrafiltration membrane degradation by contact with sodium hypochlorite through FTIR mapping and two-dimensional correlation spectroscopy

Abstract

Keywords

ASJC Scopus subject areas

Fields of Expertise

Treatment code (Nähere Zuordnung)

Access to Document

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