Journal of Materials Science

, Volume 44, Issue 11, pp 2999–3001 | Cite as

Comment on “preparation and electrorheology of new mesoporous polypyrrole/MCM-41 suspensions”

  • Ying Dan Liu
  • Hyoung Jin ChoiEmail author

Electrorheological (ER) fluid, typically composed of polarizable particles and an insulating liquid, is a kind of smart materials which can be characterized by a reversible change from a liquid-like to a solid-like state without or with an electric field, [1, 2, 3, 4, 5, 6, 7, 8, 9] along with its magnetically analogous magnetorheological suspensions under an external magnetic field [10, 11, 12]. Rheological properties of this ER material such as shear stress and shear viscosity are also altered and tuned according to the electric field. Therefore, many investigators put a focus on this material and dedicate to their potential applications [13, 14].

Recently, Cheng et al. [15] reported a new type of anhydrous ER fluid prepared by dispersing nanocomposite particles (PPy/MCM-41) of conducting polypyrrole (PPy) confined in mesoporous silica (MCM-41) in silicone oil. This ER material was synthesized via a polymerization of pyrrole, which was introduced to the MCM-41 channels prior to the...


Shear Rate Flow Curve Electric Field Strength Bingham Fluid Applied Electric Field Strength 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This research was supported by a grant from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy, Korea.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of Polymer Science and EngineeringInha UniversityIncheonKorea

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