The effect of compatibility of suspension particles with the oil medium on electrorheological efficiency

Author:

Stenicka Martin12,Pavlinek Vladimir13,Saha Petr13,Blinova Natalia V4,Stejskal Jaroslav4,Quadrat Otakar4

Affiliation:

1. Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Zlin, Czech Republic

2. Department of Polymer Engineering, Faculty of Technology, Tomas Bata University in Zlin, Zlin, Czech Republic

3. Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin, Zlin, Czech Republic

4. Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Abstract

The compatibility of solid phase–liquid medium appears to be an important factor for controlling the electrorheological (ER) efficiency of ER fluids. Controlled protonation of polyaniline particles with perfluorooctanesulfonic, tartaric, or sulphamic acid provides particles in a broad range of hydrophobicity as a suitable model to study this phenomenon. The relation between organization of such particles in silicone oil suspensions in on/off electric field at rest and during flow at various volume concentrations was demonstrated.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

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