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Synthesis and Characterization of Cellulose Acetate/Polyethylene Glycol/Poly(Styrene)-b-Poly(4-Vinylpyridine) Membrane Embedded with Hydrotermaly Activated TiO2 Nanoparticles for Waste-Waters Treatment by Membrane Processes
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Synthesis and Characterization of Cellulose Acetate/Polyethylene Glycol/Poly(Styrene)-b-Poly(4-Vinylpyridine) Membrane Embedded with Hydrotermaly Activated TiO2 Nanoparticles for Waste-Waters Treatment by Membrane Processes
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Synthesis and Characterization of Cellulose Acetate/Polyethylene Glycol/Poly(Styrene)-b-Poly(4-Vinylpyridine) Membrane Embedded with Hydrotermaly Activated TiO2 Nanoparticles for Waste-Waters Treatment by Membrane Processes
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Journal Article
Synthesis and Characterization of Cellulose Acetate/Polyethylene Glycol/Poly(Styrene)-b-Poly(4-Vinylpyridine) Membrane Embedded with Hydrotermaly Activated TiO2 Nanoparticles for Waste-Waters Treatment by Membrane Processes
2025
Overview
This study investigated the properties of a novel polymeric membrane based on cellulose acetate, polyethylene glycol/poly(styrene)-b-poly(4-vinylpyridine), and embedded with TiO2 nanoparticles (CA/PEG/PS154-b-P4VP381/TiO2 membrane) obtained by wet-phase inversion method. The TiO2 nanoparticles fabricated by a hydrothermal method were characterized by XRD, SEM, EDX, and UV-Vis analyses to determine the purity, morphology, and optical band gap energy. The prepared polymeric membranes with and without TiO2 nanoparticles (CA/PEG/PS154-b-P4VP381/TiO2 and CA/PEG/PS154-b-P4VP381 membranes) were characterized by FTIR, SEM, EDXS, and TGA to observe the effect of TiO2 nanoparticles added to the polymeric membrane matrix and to analyze the chemical structure, morphology, and thermal stability of the obtained polymeric membranes. The contact angle, SFE, water retention, and porosity were also determined. The results showed that adding the TiO2 nanoparticles into the polymeric membrane (CA/PEG/PS154-b-P4VP381/TiO2) significantly reduced the pore size and the water contact angle, increasing the water retention and the porosity. The lower value of the water contact angle of 15.57 ± 0.45° for the CA/PEG/PS154-b-P4VP381/TiO2 membrane indicates a pronounced hydrophilic character. The investigations performed showed that the CA/PEG/PS154-b-P4VP381/TiO2 membrane presents excellent properties and can be a promising material for water and waste-water treatment through membrane processes (e.g., electrodialysis, ultrafiltration, nanofiltration, reverse osmosis) in the future.
