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Surface Modification of Microporous Polypropylene Membrane by Grafting Polymerization using Corona Discharged
Heru Susanto (a,b*), Abdullah Malik Islam Filardli (a,b), Sonya Hakim Raharjo (a,b), Muhammad Nur (c)

a) Membrane Research Center (MeR-C), Integrated Laboratory for Research and Services, Diponegoro University, Semarang, 50275, Indonesia
*heru.susanto[at]che.undip.ac.id

b) Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, 50275, Indonesia

c) Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Semarang, 50275, Indonesia


Abstract

Polypropylene (PP) membranes were prepared by using non solvent induced phase separation (NIPS) method. Membrane surface modification was done by grafting Polyethylene glycol (PEG) using energy from 15 kV corona discharge simultaneously. This research conducted by 2 kind of electrodes (positive and negative electrode). By variation of grafting time : 1, 3, and 5 minutes, permeability membrane with negative electrode higher than positive electrode, it was 987,64 L / m2 h bar and 237,67 L / m2 h bar respectively. The IR Spectra confirmed the presence of PEG in PP membranes and radical ions that bind PEG onto surface PP membrane. Visualization of membrane morphology demonstrated uniform structure for modified PP membrane with the pore size within the range 0.2-0.4 µm.

Keywords: Corona Discharge; NIPS; Negative; Positive; Polypropylene Membrane

Topic: Synthesis and Characterization Techniques

Link: https://ifory.id/abstract/G9Wc6KjECaLR

Conference: The 7th International Conference on Advanced Materials Science and Technology (ICAMST 2019)

Plain Format | Corresponding Author (Abdullah Malik Islam Filardli)

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