Multilayered polyelectrolyte complex based solvent resistant nanofiltration membranes prepared from weak polyacids

被引：75

作者：

Ahmadiannamini, Pejman ^{[1
]}

Li, Xianfeng ^{[1
,2
]}

Goyens, Ward ^{[1
]}

Joseph, Nithya ^{[1
]}

Meesschaert, Boudewijn ^{[1
,3
]}

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

机构：

[1] Katholieke Univ Leuven KU Leuven, Fac Bioengn Sci, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium

[2] Chinese Acad Sci, Dalian Inst Chem Phys, R&D Ctr Energy Storage, Dalian 116023, Peoples R China

[3] Katholieke Univ Leuven, Katholieke Hogesch Brugge Oostende, Dept Ind Sci & Technol, Fac Ind Sci, B-8400 Oostende, Belgium

来源：

JOURNAL OF MEMBRANE SCIENCE | 2012年 / 394卷

关键词：

Membrane; Polyelectrolyte complexes; SRNF; Membrane morphology; Layer-by-layer method; BY-LAYER ASSEMBLIES; PERVAPORATION SEPARATION; COMPOSITE MEMBRANES; OSMOSIS MEMBRANES; IONIC-STRENGTH; FILMS; PH; PERMEABILITY; ULTRATHIN; SALT;

D O I：

10.1016/j.memsci.2011.12.032

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Alternating deposition of oppositely charged polyelectrolyte (PE) complexes (PECs) were recently reported to create stable solvent resistant nanofiltration (SRNF) membranes with high flux and selectivity. The new combination of poly(diallyldimethylammonium chloride) (PDDA) with a weak polyacid (polyacrylic acid, PAA) was investigated in this report, since the charge density of these PEC based membranes can be affected by more factors than with strong polyacids, such as salt concentration and pH. Thus offers more possibilities to control membrane morphology and performance. Prepared membranes showed more than 90% retention for Rose Bengal (RB) from different solvents, proving the good potential of these membranes in SRNF applications. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：98 / 106

页数：9

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