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New Approach to Enhance the Yield Stress of Electro‐Rheological Fluids by Polyaniline‐Coated Layered Silicate Nanocomposites
Author(s) -
Park Jong Hyeok,
Lim Yong Taik,
Park O Ok
Publication year - 2001
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/1521-3927(20010501)22:8<616::aid-marc616>3.0.co;2-#
Subject(s) - polyaniline , rheology , silicate , nanocomposite , materials science , yield (engineering) , composite material , polymer science , polymer , chemical engineering , engineering , polymerization
We synthesized new polyaniline (PANI)/organoclay (aminosilane surface‐treated) nanocomposite particles and prepared electro‐rheological (ER) fluids by dispersing the particles in silicone oil. A distinct enhancement in yield stress was observed due to the presence of PANI‐coated clay particles. The effects of delaminated clay on the ER yield stress were investigated and compared with other ER fluid systems, which use PANI particles only or a simply intercalated PANI/clay nanocomposite.