Mayada Hasheesh, Emad F. El-Kashif, Alaa Mohamed, Modar Saood
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The effect of activated carbon nanoparticles (ACNPs) on characterization and mechanical properties of polyethersulfone (PES) ultrafiltration membranes
Membrane technologies have developed as one of the main contributors to the resolution of water-related problems. This study seeks to examine the impact of active carbon nanoparticles (ACNPs) on the characterization and mechanical properties of polyethersulfone (PES) ultrafiltration membranes. The PES-AC composites were prepared using the phase inversion technique with a doctor blade by including ACNPs at varied weight percentages (0.01, 0.02, 0.03, 0.04 wt%). Produced membranes were characterized using FTIR, TGA, SEM, and XRD techniques, and the mechanical properties were evaluated using a tensile test, following the guidelines of the ASTM 638M-3 standard, utilizing a uniaxial universal testing machine. SEM images reveal that PES pure membranes consist of a porous bulk layer and dense skin layer. The addition of ACNPs decreased the pore size of the membranes with total thickness varying from 140 to 150 μm. Fourier-transform infrared spectroscopy (FTIR) indicated that with increasing ACNPs concentration, the peak intensities are related to C–C stretching bonds and acidic C–O groups. The XRD analysis showed that with higher ACNPs loading, there are a decrease in the amorphous phase of mixed matrix membranes (MMMs) and the highest intensity (2θ = 12.99°) at 2% ACNPs concentration. The tensile strength of the MMMs increased and reached an ideal value of 3.386 MPa when loaded with 2% ACNPs. Also, the optimum rate of tensile strain with 40% enhancement was achieved with 2% ACNPs compared with the pristine PES membrane.
期刊介绍:
"Polymer Bulletin" is a comprehensive academic journal on polymer science founded in 1988. It was founded under the initiative of the late Mr. Wang Baoren, a famous Chinese chemist and educator. This journal is co-sponsored by the Chinese Chemical Society, the Institute of Chemistry, and the Chinese Academy of Sciences and is supervised by the China Association for Science and Technology. It is a core journal and is publicly distributed at home and abroad.
"Polymer Bulletin" is a monthly magazine with multiple columns, including a project application guide, outlook, review, research papers, highlight reviews, polymer education and teaching, information sharing, interviews, polymer science popularization, etc. The journal is included in the CSCD Chinese Science Citation Database. It serves as the source journal for Chinese scientific and technological paper statistics and the source journal of Peking University's "Overview of Chinese Core Journals."