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Structure Formation of Integral Asymmetric Composite Membranes of Polystyrene-block-Poly(2-vinylpyridine) on a Nonwoven

  1. Adina Jung,
  2. Sofia Rangou,
  3. Clarissa Abetz,
  4. Volkan Filiz,
  5. Volker Abetz*

Article first published online: 9 FEB 2012

DOI: 10.1002/mame.201100359

Additional Information

How to Cite

Jung, A., Rangou, S., Abetz, C., Filiz, V. and Abetz, V. (2012), Structure Formation of Integral Asymmetric Composite Membranes of Polystyrene-block-Poly(2-vinylpyridine) on a Nonwoven. Macromol. Mater. Eng.. doi: 10.1002/mame.201100359

Author Information

  1. Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502 Geesthacht, Germany

*Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502 Geesthacht, Germany.

Publication History

  1. Article first published online: 9 FEB 2012
  2. Manuscript Revised: 29 NOV 2011
  3. Manuscript Received: 19 OCT 2011

Funded by

  • FP7 EU-project SELFMEM. Grant Number: NMP3-SL-2009-228652

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Keywords:

  • membranes;
  • phase separation;
  • self-assembly;
  • stimuli-sensitive polymers

Abstract

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The formation of an integral asymmetric membrane composed of a cylinder-forming polystyrene-block-poly(2-vinylpyridine) on a nonwoven by using solvent casting followed by solvent/nonsolvent exchange (phase inversion) is reported for the first time. The influence of parameters such as solvent composition, evaporation time of the solution-cast block copolymer film before phase inversion, and immersion bath temperature is demonstrated. The optimized membranes are characterized in terms of stimuli-responsive water flux properties. The morphologies of the membranes as well as of the bulk of the block copolymer are imaged by scanning force microscopy, scanning electron microscopy, and transmission electron microscopy.

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