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A novel water purification membrane has been prepared by layer-by-layer (LBL) assembly of tailored, core–shell star block copolymers. The star block copolymer consists of a hydrophobic polystyrene core (PS) and a plurality of charged hydrophilic arms (poly(N,N-dimethylaminoethyl methacrylate): PDMAEMA or polymethacrylic acid: PMAA). The high density of functional groups per unit volume of the PS-PDMAEMA...
Nanofiltration (NF) membranes, consisting of a composite barrier layer prepared by interfacial polymerization of polyamide around the ultra-fine cellulose nanofibers (CN) layer in a thin-film nanofibrous composite (TFNC) scaffold, were demonstrated. Two interfacial polymerization pathways (termed IP and IP-R), regarding the arrangement of the aqueous and organic phases, were investigated. It was found...
A new type of thin-film nanofibrous composite membrane (TFNC) for nanofiltration (NF), prepared by interfacial polymerization (IP) of piperazine (PIP) using ionic liquids (IL) was demonstrated. A comparison was first made to illustrate the advantage of using highly porous electrospun PES nanofibrous scaffold versus typical ultrafiltration (UF) membrane as the support for the PIP-based polyamide barrier...
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