Abstract
Microporous covalent triazine-based polymer (MCTP) particles were synthesized via a Friedel–Crafts reaction catalyzed by AlCl3, and their morphology and textural properties were confirmed by scanning electron microscopy and N2 adsorption isotherms, respectively. Electrorheological (ER) behavior of the MCTP particle-based ER fluid dispersed in silicone oil at a volume fraction of 5% was examined using a rotational rheometer to examine its viscoelastic properties such as shear stress, shear viscosity, yield stress, and dynamic moduli. Typical ER characteristics showed an increase with increased applied electric field strength following a polarization mechanism with the slope of 2 of the electric field-dependent yield stress, highlighting MCTP as a potential ER material. The dielectric spectra were also correlated with its ER effects using an LCR meter.
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