Journal
POLYMER
Volume 46, Issue 4, Pages 1317-1321Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2004.11.068
Keywords
polyaniline; microsphere; electrorheology
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Monodisperse acrylic microspheres (diameter 9.2 mum) (An-PGMA) with aniline moieties on the surface were initially prepared by a seeded emulsion method, and then composite particles (PA-PGMA) possessing polyaniline (PANI) shell were prepared via an in situ polymerization of aniline using An-PGMA particles as a core material inducing grafting polymerization of aniline. The PANI layer was found to be formed on the An-PGMA surface from the microscopic image, C-13 FT-NMR and TGA of the PA-PGMA particles. Suspension of the PA-PGMA particle dispersed in silicone oil showed typical electrorheological (ER) characteristics under external electric fields. (C) 2005 Elsevier Ltd. All rights reserved.
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