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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02553
|2 doi
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|a pubmed24n1165.xml
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|a (DE-627)NLM349717273
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|a (NLM)36459173
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Anuradha
|e verfasserin
|4 aut
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|a Physical, Electrochemical, and Solvent Permeation Properties of Amphiphilic Conetwork Membranes Formed through Interlinking of Poly(vinylidene fluoride)-Graft-Poly[(2-dimethylamino)ethyl Methacrylate] with Telechelic Poly(ethylene glycol) and Small Molecular Weight Cross-Linkers
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 14.12.2022
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|a Date Revised 06.01.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a We report the preparation of dense and porous amphiphilic conetwork (APCN) membranes through the covalent interconnection of poly(vinylidene fluoride)-graft-poly[(2-dimethylamino)ethyl methacrylate] (PVDF-g-PDMAEMA) copolymers with telechelic poly(ethylene glycol) (PEG) or α,α-dichloro-p-xylene (XDC). The dense APCN membranes exhibit varying solvent swelling and mechanical properties depending on the compositions and overall crystallinity. The crystallinity of both PVDF (20-47%) and PEG (9-17%) is significantly suppressed in the dense APCNs prepared through the interconnection of PVDF-g-PDMAEMA with reactive PEG as compared to the APCN membranes (48-53%) prepared with XDC as well as mechanical blend of PVDF-g-PDMAEMA plus nonreactive PEG. The dense APCN membranes exhibit a good transport number of monovalent ions and ionic conductivity. The APCN membrane interconnected with PEG and containing binary ionic liquids exhibits a room-temperature lithium ion conductivity of 0.52 mS/cm. On the other hand, APCN ultrafiltration (UF) membranes exhibit organic solvent-resistant behavior. The UF membrane obtained by interconnecting PVDF-g-PDMAEMA with telechelic PEG shows low protein fouling propensity, higher hydrophilicity, and water flux as compared to membranes prepared using XDC as the interconnecting agent. The significant effect of the covalent interconnection of the amphiphilic graft copolymers with telechelic PEG or XDC on the overall properties provides a good opportunity to modulate the properties and performance of APCN membranes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a polyvinylidene fluoride
|2 NLM
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|a 24937-79-9
|2 NLM
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|a Polyethylene Glycols
|2 NLM
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|a 3WJQ0SDW1A
|2 NLM
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|a Solvents
|2 NLM
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|a poly(2-(dimethylamino)ethyl methacrylate)
|2 NLM
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|a Methacrylates
|2 NLM
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|a Polymers
|2 NLM
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|a poly(ethylmethacrylate)
|2 NLM
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|a 9003-42-3
|2 NLM
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|a Das, Anupam
|e verfasserin
|4 aut
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|a Pal, Sandip
|e verfasserin
|4 aut
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|a Jewrajka, Suresh K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 49 vom: 13. Dez., Seite 15340-15352
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:38
|g year:2022
|g number:49
|g day:13
|g month:12
|g pages:15340-15352
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02553
|3 Volltext
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