Journal of Colloid and Interface Science 517 (2018) 155–165 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article Surface and anti-fouling properties of a polyampholyte hydrogel grafted onto a polyethersulfone membrane 1 1 ⇑ Wei Zhang , Zhe Yang , Yair Kaufman, Roy Bernstein Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, 8499000, Israel graphical a bstract article i nfo abstract Article history: Zwitterion polymers have anti-fouling properties; therefore, grafting new zwitterions to surfaces, partic- Received 26 December 2017 ularly as hydrogels, is one of the leading research directions for preventing fouling. Speciﬁcally, polyam- Revised 25 January 2018 pholytes, polymers of random mixed charged subunits with a net-electric charge, offer a synthetically Accepted 29 January 2018 easy alternative for studying new zwitterions with a broad spectrum of charged moieties. Available online 31 January 2018 Here, a novel polyampholyte hydrogel was grafted onto the surface of polyethersulfone membrane by copolymerizing a mixture of vinylsulfonic acid (VSA) and [2-(methacryloyloxy)ethyl]trimethylammo Keywords: nium chloride (METMAC) as the negatively and positively charged monomers, respectively, using various Zwitterion polymer monomer ratios
Journal of Colloid and Interface Science – Elsevier
Published: May 1, 2018
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