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Nukman
Department of Mechanical Engineering, Faculty of Engineering, Universitas Sriwijaya, South Sumatera, 30139, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Environmental Science Materials Science & Nanotechnology Physics

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Physicochemical Properties and Water Filtration Performance of Electric Field Fabricated Polyvinylidene Fluoride Membranes Aneka Firdaus; Agung Mataram; Rahma Dani; Muhammad Satya Putra Gantada; Nukman; Irwin Bizzy; Ahmad Fauzi Ismail
Science and Technology Indonesia Vol. 11 No. 3 (2026): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2026.11.3.808-826

Abstract

This study investigated the use of an electric field-assisted phase inversion method (15 kV) to tailor the properties of PVDF membranes with a thickness of 3 mm. The electric field significantly altered membrane formation, producing porous structures compared to the dense morphology of untreated membranes. Increasing the PVDF concentration (25–35%) reduced the pore size from 11.54 µm to 5.27 µm, resulting in more uniform structures. Surface analysis indicated that the membranes remained relatively smooth, with smaller surface features at higher polymer concentrations. The mechanical properties improved substantially, with the tensile strength increasing from 12.28 MPa to 43.21 MPa and higher stiffness observed. FTIR results revealed enhanced β-phase formation under the electric field, indicating improved chain alignment, supported by increased crystallinity from XRD. In terms of filtration performance, the permeability reached 55.32 L/m2·h·bar, while turbidity rejection exceeded 90% for all treated membranes. These results demonstrate a promising approach for high-performance PVDF membranes and strong potential as composite base materials.
Co-Authors Agung Mataram Ahmad Fauzi Ismail Aneka Firdaus Irwin Bizzy Muhammad Satya Putra Gantada Rahma Dani