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Erschienen in: Colloid and Polymer Science 5/2018

22.03.2018 | Original Contribution

Electrorheological response of microporous covalent triazine-based polymeric particles

verfasst von: Yu Zhen Dong, Seung Hyuk Kwon, Hyoung Jin Choi, Pillaiyar Puthiaraj, Wha-Seung Ahn

Erschienen in: Colloid and Polymer Science | Ausgabe 5/2018

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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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Metadaten
Titel
Electrorheological response of microporous covalent triazine-based polymeric particles
verfasst von
Yu Zhen Dong
Seung Hyuk Kwon
Hyoung Jin Choi
Pillaiyar Puthiaraj
Wha-Seung Ahn
Publikationsdatum
22.03.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 5/2018
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-018-4305-z

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