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Synthesis and electrorheological characterization of emulsion-polymerized dodecylbenzenesulfonic acid doped polyaniline-based suspensions

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Abstract

The electrorheological (ER) properties of dodecylbenzenesulfonic acid (DBSA) doped polyaniline suspensions in silicone oil were investigated. In contrast to chemically polymerized polyaniline in an acidic aqueous medium by oxidation polymerization, we adopted an emulsion polymerization technique in which aniline is polymerized in an emulsion of water and a nonpolar (or weakly polar) organic solvent. The effects of electric field strength and particle concentration on the ER properties of DBSA-doped polyaniline suspensions in silicone oil were then examined. Rheological measurements were also carried out using a rotational rheometer with a high-voltage generator in both controlled shear rate and shear stress modes, and the results showed that the ER properties were enhanced by increasing the particle concentration and electric field.

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Authors and Affiliations

  1. Department of Polymer Science and Engineering, Inha University Inchon 402-751, Korea e-mail: hjchoi@inha.ac.kr, , , , , , KR

    S. G. Kim, J. W. Kim & H. J. Choi

  2. Agency for Defense Development Taejon 305-600, Korea, , , , , , KR

    M. S. Suh & M. J. Shin

  3. Department of Chemical Engineering Carnegie Mellon University, Pittsburgh PA 15213, USA, , , , , , US

    M. S. Jhon

Authors
  1. S. G. Kim
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  2. J. W. Kim
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  3. H. J. Choi
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  4. M. S. Suh
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  5. M. J. Shin
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  6. M. S. Jhon
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Received: 23 August 1999 Accepted: 6 April 2000

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Kim, S., Kim, J., Choi, H. et al. Synthesis and electrorheological characterization of emulsion-polymerized dodecylbenzenesulfonic acid doped polyaniline-based suspensions. Colloid Polym Sci 278, 894–898 (2000). https://doi.org/10.1007/s003960000360

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  • DOI: https://doi.org/10.1007/s003960000360

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