Fabrication and structural tailoring of reverse osmosis membranes using beta-cyclodextrin-cored star polymers
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Jeon, Sungkwon | - |
dc.contributor.author | Park, Chan Hyung | - |
dc.contributor.author | Shin, Seung Su | - |
dc.contributor.author | Lee, Jung-Hyun | - |
dc.date.accessioned | 2021-08-30T12:14:55Z | - |
dc.date.available | 2021-08-30T12:14:55Z | - |
dc.date.created | 2021-06-18 | - |
dc.date.issued | 2020-10-01 | - |
dc.identifier.issn | 0376-7388 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/52511 | - |
dc.description.abstract | Here, we designed a new chemistry of fouling-resistant reverse osmosis (RO) membranes using a star polymer (CD-PAH) comprising multiple linear polymer (poly(acryloyl hydrazide), PAH) arms grafted onto a beta-cyclodextrin (beta-CD) core. The well-defined structure of the beta-CD-cored star polymer enabled us to systematically synthesize CD-PAHs with different arm lengths, which were assembled into membrane selective layers via a layered interfacial polymerization technique. Increasing the PAH arm length of CD-PAH enhanced the inter chain entanglement of PAH arms and thus the crosslinking reaction efficiency by providing a higher density of the crosslinkable amine groups of densely-packed PAH arms. Hence, longer PAH arms of CD-PAH resulted in an enhancement in NaCl rejection with a reduction in the water permeance of the CD-PAH-assembled (CD-TFC) membrane. Importantly, the CD-TFC membranes prepared using CD-PAHs with longer PAH arms exhibited RO separation performance comparable to that of a commercial RO membrane, which is not feasible by other reported branch-structured macromolecules. Furthermore, the CD-TFC membrane displayed lower organic fouling with a higher rinsing efficiency than a commercial RO membrane, because of its more negatively charged and hydrophilic surface combined with its smoother surface, overcoming a performance-fouling trade-off. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.subject | FILM COMPOSITE MEMBRANES | - |
dc.subject | INTERFACIAL POLYMERIZATION | - |
dc.subject | NANOFILTRATION MEMBRANES | - |
dc.subject | TRIMESOYL CHLORIDE | - |
dc.subject | BLOCK-COPOLYMERS | - |
dc.subject | HYPERBRANCHED POLYESTER | - |
dc.subject | TANNIC-ACID | - |
dc.subject | HIGH-FLUX | - |
dc.subject | PERFORMANCE | - |
dc.subject | DESALINATION | - |
dc.title | Fabrication and structural tailoring of reverse osmosis membranes using beta-cyclodextrin-cored star polymers | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Lee, Jung-Hyun | - |
dc.identifier.doi | 10.1016/j.memsci.2020.118415 | - |
dc.identifier.scopusid | 2-s2.0-85087213372 | - |
dc.identifier.wosid | 000560707300001 | - |
dc.identifier.bibliographicCitation | JOURNAL OF MEMBRANE SCIENCE, v.611 | - |
dc.relation.isPartOf | JOURNAL OF MEMBRANE SCIENCE | - |
dc.citation.title | JOURNAL OF MEMBRANE SCIENCE | - |
dc.citation.volume | 611 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Polymer Science | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.relation.journalWebOfScienceCategory | Polymer Science | - |
dc.subject.keywordPlus | FILM COMPOSITE MEMBRANES | - |
dc.subject.keywordPlus | INTERFACIAL POLYMERIZATION | - |
dc.subject.keywordPlus | NANOFILTRATION MEMBRANES | - |
dc.subject.keywordPlus | TRIMESOYL CHLORIDE | - |
dc.subject.keywordPlus | BLOCK-COPOLYMERS | - |
dc.subject.keywordPlus | HYPERBRANCHED POLYESTER | - |
dc.subject.keywordPlus | TANNIC-ACID | - |
dc.subject.keywordPlus | HIGH-FLUX | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | DESALINATION | - |
dc.subject.keywordAuthor | Star polymer | - |
dc.subject.keywordAuthor | beta-cyclodextrin | - |
dc.subject.keywordAuthor | Thin film composite membranes | - |
dc.subject.keywordAuthor | Reverse osmosis | - |
dc.subject.keywordAuthor | Antifouling | - |
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