Stable Covalently Photo-Crosslinked Poly(Ionic Liquid) Membrane with Gradient Pore Size

被引：14

作者：

Dani, Alessandro ^{[1
]}

Tauber, Karoline ^{[1
]}

Zhang, Weiyi ^{[1
]}

Schlaad, Helmut ^{[2
]}

Yuan, Jiayin ^{[1
,3
,4
]}

机构：

[1] Max Planck Inst Colloids & Interfaces, Dept Colloid Chem, Muhlenberg 1, D-14476 Potsdam, Germany

[2] Univ Potsdam, Inst Chem, Karl Liebknecht Str 24-25, D-14476 Potsdam, Germany

[3] Clarkson Univ, Dept Chem & Biomol Sci, 8 Clarkson Ave, Potsdam, NY 13699 USA

[4] Clarkson Univ, Ctr Adv Mat Proc, 8 Clarkson Ave, Potsdam, NY 13699 USA

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2017年 / 38卷 / 16期

基金：

欧洲研究理事会;

关键词：

membrane; photo-crosslinked; poly(ionic liquid); porous structure; IONIC LIQUIDS; CO2; SELECTIVITY; FUEL-CELL; SEPARATION; NANOFILTRATION; LINKING;

D O I：

10.1002/marc.201700167

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Porous polyelectrolyte membranes stable in a highly ionic environment are obtained by covalent crosslinking of an imidazolium-based poly(ionic liquid). The crosslinking reaction involves the UV light-induced thiol-ene (click) chemistry, and the phase separation, occurring during the crosslinking step, generates a fully interconnected porous structure in the membrane. The porosity is on the order of the micrometer scale and the membrane shows a gradient of pore size across the membrane cross-section. The membrane can separate polystyrene latex particles of different size and undergoes actuation in contact with acetone due to the asymmetric porous structure.

引用

页数：4

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