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Colloid and Polymer Science

, Volume 296, Issue 5, pp 989–994 | Cite as

Conducting polymer colloids, hydrogels, and cryogels: common start to various destinations

  • Jaroslav Stejskal
  • Patrycja Bober
Short Communication

Abstract

When a conducting polymer, polyaniline, is prepared in the aqueous solutions of poly(vinyl alcohol), it is obtained as a colloidal dispersion of submicrometer particles. When the reaction mixture is frozen before the oxidation of aniline takes place, polyaniline is produced in ice, and a cryogel results after thawing. This technique of conducting hydrogel preparation has been reported only recently. It is newly demonstrated, that colloidal hydrogels are obtained after freezing of colloidal dispersions. Finally, the cryogenic preparation of polyaniline in polyaniline colloids combines latter two techniques of hydrogel preparation to generate a dispersion cryogel. It is thus illustrated that, by using a simple initial system, various macroporous-conducting hydrogels differing in morphology, conductivity, and mechanical properties can be achieved.

Graphical abstract

Keywords

Conducting polymer Polyaniline Colloidal dispersion Hydrogel Cryogel 

Notes

Acknowledgements

The authors wish to thank the Czech Science Foundation (16-02787S) for financial support.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Macromolecular ChemistryAcademy of Sciences of the Czech RepublicPrague 6Czech Republic

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