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Effects of medium oil on electroresponsive characteristics of chitosan suspensions

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Abstract

Biocompatible chitosan particle suspensions in host oils of corn, soybean, and silicone were prepared and their electrorheological (ER) characteristics were examined under the imposition of electric fields. The effects of the weight concentration of particulate chitosan and the strength of the applied electric field on ER response in the various chitosan particle suspensions were investigated via measurements of rheological properties including flow curve, shear viscosity, and yield stress. The yield stresses of the three different chitosan–oil systems showed different values of slope in the electric field, but all data were found to fit well with our previously proposed universal scaling function.

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Acknowledgement

This study was supported by Fundamental R&D Program for Core Technology of Materials, Ministry of Knowledge Economy (2008).

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Authors and Affiliations

  1. Department of Polymer Science and Engineering, Inha University, Incheon, 402-751, South Korea

    C. H. Hong, J. H. Sung & H. J. Choi

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  1. C. H. Hong
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  2. J. H. Sung
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  3. H. J. Choi
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Correspondence to H. J. Choi.

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Hong, C.H., Sung, J.H. & Choi, H.J. Effects of medium oil on electroresponsive characteristics of chitosan suspensions. Colloid Polym Sci 287, 583–589 (2009). https://doi.org/10.1007/s00396-009-2006-3

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  • DOI: https://doi.org/10.1007/s00396-009-2006-3

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