Polyether sulfone-graphite nanocomposite for nanofiltration membrane with enhanced separation, antifouling and antibacterial properties

Hosseini, Sayed Mohsen; Mohammadianfar, Sima; Farahani, Samaneh Koudzari; Solhi, Sadra

doi:10.1007/s11814-022-1266-1

Korean J. Chem. Eng.

2023

DOI: 10.1007/s11814-022-1266-1

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Polyether sulfone-graphite nanocomposite for nanofiltration membrane with enhanced separation, antifouling and antibacterial properties

Sayed Mohsen Hosseini

Sima Mohammadianfar

Samaneh Koudzari Farahani

et al.

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2024

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Cited by 3 publications

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Chemical Stability and Additive Leach Out in Polyethersulfone Membranes Blended with Dragon Blood Resin: An Investigative Study

Ambarita,

Mulyati,

Arahman

et al. 2024

Korean J. Chem. Eng.

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Dragon blood resin (DBR) is an effective bio-based additive for polymeric membrane fabrication. Despite the improved permeability and antifouling properties of the resulting membrane provided by DBR, its weak chemical bond makes it susceptibleto leaching during both fabrication and operation rendering the membrane properties and performances. This study investigates the chemical stability and leaching behavior of polyethersulfone (PES) membranes modi ed with DBR in an alkaline solution. The study involves immersing two types of PES based membranes, one loaded with 3% DBR (M-3) during the fabrication and one without (M-0), in a 0.01 N NaOH solution for ve days. The results show that M-0 had good resistance to high alkaline solution, while M-3 was less stable. The pure water permeability of M-3 increased signi cantly with immersion time, as well as its surface hydrophilicity. The leaching of DBR from PES membrane matric can be ascribed by its alkali lysis polarity and the breaking of the DBR bonds from reaction of hydroxide ions with the ester bonds and glycosidic linkages in the avonoids and anthocyanins, causing them to break apart into smaller molecules. The leaching of DBR also left pores that enhanced the membrane pore size. Overall, these ndings provide useful information for the optimal design of a bio-based PES membrane.

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Chemical Stability and Additive Leach Out in Polyethersulfone Membranes Blended with Dragon Blood Resin: An Investigative Study

Ambarita,

Mulyati,

Arahman

et al. 2024

Korean J. Chem. Eng.

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Nanocomposite ZIF-8@Active Carbon-co-Chitosan incorporated nanofiltration membrane with enhanced antifouling property and high separation efficiency to salt, heavy metals, and dye solutions

Afshari,

Moghadassi,

Mohsen Hosseini

2024

Arabian Journal of Chemistry

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Surface Segregation of Partially Fluorinated Comb-Shaped Amphiphilic Copolymer in PVDF Membrane: Experimental and Molecular Dynamic Simulation Study

Kim,

Go,

Moon

et al. 2024

ACS Appl. Polym. Mater.

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Herein, we report the one-pot synthesis and molecular dynamics (MD) simulations of a partially fluorinated comb-shaped amphiphilic copolymer (PTPO) comprising short poly(2,2,3,3-tetrafluoropropyl methacrylate) (PTFPMA) and long poly(oxyethylene methacrylate) (POEM) chains for poly(vinylidene fluoride) (PVDF) membranes. PTPO exhibited a well-defined microphase-separated structure and had dipole–dipole interactions with PVDF. The hydrophilic POEM domains aligned with the surface, whereas the hydrophobic PTFPMA domains anchored within the PVDF matrix. Compared with the neat PVDF, the PVDF/PTPO membrane flux increased by up to 2300%, and the flux recovery ratio reached 95.7%, with high bovine serum albumin rejection. Furthermore, the PVDF/PTPO membranes demonstrated superior mechanical properties (>4 MPa) compared with those of the other PVDF-based ultrafiltration membranes. Posttreatments such as ethanol immersion improved the surface hydrophilicity without the leaching of PTPO. MD simulations provided insights into the interaction between the PVDF/PTPO blends and water nonsolvent and the free volume of the PVDF/PTPO membranes with varying PTPO loadings. This study suggests that the microphase separation of the comb-shaped amphiphilic PTPO can effectively improve the antifouling performance as well as water permeability of the PVDF membrane.

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Polyether sulfone-graphite nanocomposite for nanofiltration membrane with enhanced separation, antifouling and antibacterial properties

Cited by 3 publications

References 41 publications

Chemical Stability and Additive Leach Out in Polyethersulfone Membranes Blended with Dragon Blood Resin: An Investigative Study

Chemical Stability and Additive Leach Out in Polyethersulfone Membranes Blended with Dragon Blood Resin: An Investigative Study

Nanocomposite ZIF-8@Active Carbon-co-Chitosan incorporated nanofiltration membrane with enhanced antifouling property and high separation efficiency to salt, heavy metals, and dye solutions

Surface Segregation of Partially Fluorinated Comb-Shaped Amphiphilic Copolymer in PVDF Membrane: Experimental and Molecular Dynamic Simulation Study

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