Formation of Integral Asymmetric Membranes of AB Diblock and ABC Triblock Copolymers by Phase Inversion

被引：76
|
作者：
Jung, Adina [1 ]
Filiz, Volkan [1 ]
Rangou, Sofia [1 ]
Buhr, Kristian [1 ]
Merten, Petra [1 ]
Hahn, Janina [1 ]
Clodt, Juliana [1 ]
Abetz, Clarissa [1 ]
Abetz, Volker [1 ]
机构：
[1] Helmholtz Zentrum Geesthacht, Polymer Res Inst, D-21502 Geesthacht, Germany
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2013年 / 34卷 / 07期
关键词：
block copolymer; membrane; phase separation; self-assembly; stimuli-sensitive polymer; BLOCK-COPOLYMER; POLY(ETHYLENE GLYCOL); SURFACE MODIFICATION; THIN-FILMS; SCATTERING;
D O I：
10.1002/marc.201200770
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The formation of integral asymmetric membranes from ABC triblock terpolymers by non-solvent-induced phase separation is shown. They are compared with the AB diblock copolymer precursors. Triblock terpolymers of polystyrene-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) (PS-b-P2VP-b-PEO) with two compositions are investigated. The third block supports the formation of a membrane in a case, where the corresponding diblock copolymer does not form a good membrane. In addition, the hydrophilicity is increased by the third block and due to the hydroxyl group the possibility of post-functionalization is given. The morphologies are imaged by scanning electron microscopy. The influence of the PEO on the membrane properties is analyzed by water flux, retention, and dynamic contact angle measurements.
引用
收藏
页码：610 / 615
页数：6
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