Solvent resistant nanofiltration (SRNF) membranes based on metal-organic frameworks

被引：217

作者：

Basu, Subhankar ^{[1
]}

Maes, Michael ^{[1
]}

Cano-Odena, Angels ^{[1
]}

Alaerts, Luc ^{[1
]}

De Vos, Dirk E. ^{[1
]}

Vankelecom, Ivo F. J. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Fac Biosci Engn, B-3001 Louvain, Belgium

来源：

JOURNAL OF MEMBRANE SCIENCE | 2009年 / 344卷 / 1-2期

关键词：

Mixed matrix membranes; Metal-organic frameworks; Solvent resistant nanofiltration; MIXED MATRIX MEMBRANES; GAS-PERMEABILITY PROPERTIES; HOLLOW-FIBER MEMBRANES; NANOPOROUS MATERIAL; THERMAL-STABILITY; MOLECULAR-SIEVES; SEPARATION; POLYSULFONE; PDMS; CATALYSTS;

D O I：

10.1016/j.memsci.2009.07.051

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The incorporation of metal-organic frameworks (MOFs) as fillers in polyclimethylsiloxane (PDMS) membranes was investigated. Mixed matrix membranes (MMMs) with MCFs [Cu-3(BTC)(2)], MIL-47, MIL-53(Al) and ZIF-8 as dispersed phases were synthesized and characterized. The membranes were applied in solvent resistant nanofiltration (SRNF), more in particular in the separation of Rose Bengal (RB) from isopropanol. The membranes showed increased permeance but lower retention compared to unfilled membranes. Membranes were characterized with scanning electron microscopy (SEM) where poor adhesion of the fillers to PDMS was observed. Chemical modification of the fillers with N-methyl-N-(trimethylsilyl)-trifluoroacetamide (MSTFA) allowed synthesis of defect-free membranes with higher retention of RB, due to good interaction with fillers and decreased membrane swelling. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：190 / 198

页数：9

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