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Membranes 2018, 8(3), 56; https://doi.org/10.3390/membranes8030056

Plasma Modification and Synthesis of Membrane Materials—A Mechanistic Review

1
Institute for Frontier Materials, Deakin University, Pigdons Road, Waurn Ponds, Geelong, VIC 3216, Australia
2
Institute for Sustainability and Innovation, College of Engineering and Science, Victoria University, Hoppers Lane, Werribee, VIC 3030, Australia
3
School of Engineering, Deakin University, Pigdons Road, Waurn Ponds, Geelong, VIC 3216, Australia
4
Department of Advanced Science and Engineering, Waseda University, Tokyo 169-8555, Japan
*
Authors to whom correspondence should be addressed.
Received: 2 July 2018 / Revised: 25 July 2018 / Accepted: 25 July 2018 / Published: 3 August 2018
(This article belongs to the Special Issue Nanostructured Membranes)
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Abstract

Although commercial membranes are well established materials for water desalination and wastewater treatment, modification on commercial membranes is still necessary to deliver high-performance with enhanced flux and/or selectivity and fouling resistance. A modification method with plasma techniques has been extensively applied for high-performance membrane production. The paper presents a mechanistic review on the impact of plasma gas and polymerization, at either low pressure or atmospheric pressure on the material properties and performance of the modified membranes. At first, plasma conditions at low-pressure such as plasma power, gas or monomer flow rate, reactor pressure, and treatment duration which affect the chemical structure, surface hydrophilicity, morphology, as well as performance of the membranes have been discussed. The underlying mechanisms of plasma gas and polymerization have been highlighted. Thereafter, the recent research in plasma techniques toward membrane modification at atmospheric environment has been critically evaluated. The research focuses of future plasma-related membrane modification, and fabrication studies have been predicted to closely relate with the implementation of the atmospheric-pressure processes at the large-scale. View Full-Text
Keywords: membrane surface modification; plasma texturation; plasma polymerization; wettability; free volume; plasma mechanics membrane surface modification; plasma texturation; plasma polymerization; wettability; free volume; plasma mechanics
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Wang, J.; Chen, X.; Reis, R.; Chen, Z.; Milne, N.; Winther-Jensen, B.; Kong, L.; Dumée, L.F. Plasma Modification and Synthesis of Membrane Materials—A Mechanistic Review. Membranes 2018, 8, 56.

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