Surface zwitterionization of PVDF VIPS membranes for oil and water separation
This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane sep...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Venault, Antoine [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018transfer abstract |
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| Schlagwörter: |
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| Umfang: |
11 |
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| Übergeordnetes Werk: |
Enthalten in: Steering charge kinetics in W - Yue, Xin-Zheng ELSEVIER, 2019, the official journal of the North American Membrane Society, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:563 ; year:2018 ; day:1 ; month:10 ; pages:54-64 ; extent:11 |
| Links: |
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| DOI / URN: |
10.1016/j.memsci.2018.05.049 |
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| 520 | |a This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. | ||
| 520 | |a This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. | ||
| 650 | 7 | |a PVDF VIPS membrane |2 Elsevier | |
| 650 | 7 | |a PS-<ce:italic>r</ce:italic>-PSBMA copolymer |2 Elsevier | |
| 650 | 7 | |a O/W separation |2 Elsevier | |
| 650 | 7 | |a Combined polymerization/self-assembling |2 Elsevier | |
| 700 | 1 | |a Chang, Chia-Yu |4 oth | |
| 700 | 1 | |a Tsai, Tai-Chun |4 oth | |
| 700 | 1 | |a Chang, Hsiang-Yu |4 oth | |
| 700 | 1 | |a Bouyer, Denis |4 oth | |
| 700 | 1 | |a Lee, Kueir-Rarn |4 oth | |
| 700 | 1 | |a Chang, Yung |4 oth | |
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10.1016/j.memsci.2018.05.049 doi GBV00000000000696.pica (DE-627)ELV043744966 (ELSEVIER)S0376-7388(18)30492-7 DE-627 ger DE-627 rakwb eng 540 VZ 35.17 bkl 58.50 bkl 43.12 bkl Venault, Antoine verfasserin aut Surface zwitterionization of PVDF VIPS membranes for oil and water separation 2018transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. PVDF VIPS membrane Elsevier PS-<ce:italic>r</ce:italic>-PSBMA copolymer Elsevier O/W separation Elsevier Combined polymerization/self-assembling Elsevier Chang, Chia-Yu oth Tsai, Tai-Chun oth Chang, Hsiang-Yu oth Bouyer, Denis oth Lee, Kueir-Rarn oth Chang, Yung oth Enthalten in Elsevier Yue, Xin-Zheng ELSEVIER Steering charge kinetics in W 2019 the official journal of the North American Membrane Society New York, NY [u.a.] (DE-627)ELV002478420 volume:563 year:2018 day:1 month:10 pages:54-64 extent:11 https://doi.org/10.1016/j.memsci.2018.05.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.17 Katalyse VZ 58.50 Umwelttechnik: Allgemeines VZ 43.12 Umweltchemie VZ AR 563 2018 1 1001 54-64 11 |
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10.1016/j.memsci.2018.05.049 doi GBV00000000000696.pica (DE-627)ELV043744966 (ELSEVIER)S0376-7388(18)30492-7 DE-627 ger DE-627 rakwb eng 540 VZ 35.17 bkl 58.50 bkl 43.12 bkl Venault, Antoine verfasserin aut Surface zwitterionization of PVDF VIPS membranes for oil and water separation 2018transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. PVDF VIPS membrane Elsevier PS-<ce:italic>r</ce:italic>-PSBMA copolymer Elsevier O/W separation Elsevier Combined polymerization/self-assembling Elsevier Chang, Chia-Yu oth Tsai, Tai-Chun oth Chang, Hsiang-Yu oth Bouyer, Denis oth Lee, Kueir-Rarn oth Chang, Yung oth Enthalten in Elsevier Yue, Xin-Zheng ELSEVIER Steering charge kinetics in W 2019 the official journal of the North American Membrane Society New York, NY [u.a.] (DE-627)ELV002478420 volume:563 year:2018 day:1 month:10 pages:54-64 extent:11 https://doi.org/10.1016/j.memsci.2018.05.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.17 Katalyse VZ 58.50 Umwelttechnik: Allgemeines VZ 43.12 Umweltchemie VZ AR 563 2018 1 1001 54-64 11 |
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10.1016/j.memsci.2018.05.049 doi GBV00000000000696.pica (DE-627)ELV043744966 (ELSEVIER)S0376-7388(18)30492-7 DE-627 ger DE-627 rakwb eng 540 VZ 35.17 bkl 58.50 bkl 43.12 bkl Venault, Antoine verfasserin aut Surface zwitterionization of PVDF VIPS membranes for oil and water separation 2018transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. PVDF VIPS membrane Elsevier PS-<ce:italic>r</ce:italic>-PSBMA copolymer Elsevier O/W separation Elsevier Combined polymerization/self-assembling Elsevier Chang, Chia-Yu oth Tsai, Tai-Chun oth Chang, Hsiang-Yu oth Bouyer, Denis oth Lee, Kueir-Rarn oth Chang, Yung oth Enthalten in Elsevier Yue, Xin-Zheng ELSEVIER Steering charge kinetics in W 2019 the official journal of the North American Membrane Society New York, NY [u.a.] (DE-627)ELV002478420 volume:563 year:2018 day:1 month:10 pages:54-64 extent:11 https://doi.org/10.1016/j.memsci.2018.05.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.17 Katalyse VZ 58.50 Umwelttechnik: Allgemeines VZ 43.12 Umweltchemie VZ AR 563 2018 1 1001 54-64 11 |
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10.1016/j.memsci.2018.05.049 doi GBV00000000000696.pica (DE-627)ELV043744966 (ELSEVIER)S0376-7388(18)30492-7 DE-627 ger DE-627 rakwb eng 540 VZ 35.17 bkl 58.50 bkl 43.12 bkl Venault, Antoine verfasserin aut Surface zwitterionization of PVDF VIPS membranes for oil and water separation 2018transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. PVDF VIPS membrane Elsevier PS-<ce:italic>r</ce:italic>-PSBMA copolymer Elsevier O/W separation Elsevier Combined polymerization/self-assembling Elsevier Chang, Chia-Yu oth Tsai, Tai-Chun oth Chang, Hsiang-Yu oth Bouyer, Denis oth Lee, Kueir-Rarn oth Chang, Yung oth Enthalten in Elsevier Yue, Xin-Zheng ELSEVIER Steering charge kinetics in W 2019 the official journal of the North American Membrane Society New York, NY [u.a.] (DE-627)ELV002478420 volume:563 year:2018 day:1 month:10 pages:54-64 extent:11 https://doi.org/10.1016/j.memsci.2018.05.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.17 Katalyse VZ 58.50 Umwelttechnik: Allgemeines VZ 43.12 Umweltchemie VZ AR 563 2018 1 1001 54-64 11 |
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10.1016/j.memsci.2018.05.049 doi GBV00000000000696.pica (DE-627)ELV043744966 (ELSEVIER)S0376-7388(18)30492-7 DE-627 ger DE-627 rakwb eng 540 VZ 35.17 bkl 58.50 bkl 43.12 bkl Venault, Antoine verfasserin aut Surface zwitterionization of PVDF VIPS membranes for oil and water separation 2018transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. PVDF VIPS membrane Elsevier PS-<ce:italic>r</ce:italic>-PSBMA copolymer Elsevier O/W separation Elsevier Combined polymerization/self-assembling Elsevier Chang, Chia-Yu oth Tsai, Tai-Chun oth Chang, Hsiang-Yu oth Bouyer, Denis oth Lee, Kueir-Rarn oth Chang, Yung oth Enthalten in Elsevier Yue, Xin-Zheng ELSEVIER Steering charge kinetics in W 2019 the official journal of the North American Membrane Society New York, NY [u.a.] (DE-627)ELV002478420 volume:563 year:2018 day:1 month:10 pages:54-64 extent:11 https://doi.org/10.1016/j.memsci.2018.05.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.17 Katalyse VZ 58.50 Umwelttechnik: Allgemeines VZ 43.12 Umweltchemie VZ AR 563 2018 1 1001 54-64 11 |
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Surface zwitterionization of PVDF VIPS membranes for oil and water separation |
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This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. |
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This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. |
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This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions. |
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This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">This work aims at applying a combined polymerization and membrane surface-modification process, in order to hydrophilize poly(vinylidene fluoride) membranes prepared by vapor-induced phase separation (VIPS), and eventually make them suitable for low transmembrane pressure (ΔP = 0.5 bar) membrane separation of various oil-in-water (O/W) emulsions. Styrene and sulfobetaine monomers were mixed and allowed to react while the PVDF membrane was in contact with the reactive mixture, enabling self-assembling of the random polymer on the membrane as it was formed. Reaction parameters were optimized, and it was found that a solid content of 5 wt%, a styrene/SBMA ratio of 40/60 and a reaction time of 5 h led to very hydrophilic membrane (water contact angle: 12°). The combination of chemical analyses evidenced the successful and controlled surface modification process. Physical analyses showed that deviating from the optimized conditions of styrene/SBMA ratio led to the formation of agglomerates (styrene-rich or SBMA-rich), associated to low porosity, and high coating density. The membranes were used to separate emulsions of toluene/W, hexane/W, hexadecane/W, diesel/W and soybean oil/W, leading to separation efficiency of 99.0%, 99.2%, 99.1%, 99.0% and 99.0%, respectively. This work thus presents a new avenue for surface modification of membrane with extremely efficient copolymers for which there is no common solvent, and brings several evidences of the suitability of VIPS membrane for cost-effective membrane separation of various emulsions.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">PVDF VIPS membrane</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">PS-<ce:italic>r</ce:italic>-PSBMA copolymer</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">O/W separation</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Combined polymerization/self-assembling</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Chang, Chia-Yu</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tsai, Tai-Chun</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Chang, Hsiang-Yu</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Bouyer, Denis</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lee, Kueir-Rarn</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Chang, Yung</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier</subfield><subfield code="a">Yue, Xin-Zheng ELSEVIER</subfield><subfield code="t">Steering charge kinetics in W</subfield><subfield code="d">2019</subfield><subfield code="d">the official journal of the North American Membrane Society</subfield><subfield code="g">New York, NY [u.a.]</subfield><subfield code="w">(DE-627)ELV002478420</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:563</subfield><subfield code="g">year:2018</subfield><subfield code="g">day:1</subfield><subfield code="g">month:10</subfield><subfield code="g">pages:54-64</subfield><subfield code="g">extent:11</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.memsci.2018.05.049</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">35.17</subfield><subfield code="j">Katalyse</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">58.50</subfield><subfield code="j">Umwelttechnik: Allgemeines</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">43.12</subfield><subfield code="j">Umweltchemie</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">563</subfield><subfield code="j">2018</subfield><subfield code="b">1</subfield><subfield code="c">1001</subfield><subfield code="h">54-64</subfield><subfield code="g">11</subfield></datafield></record></collection>
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