Enhanced mechanical and dielectric properties of poly(vinylidene fluoride)/polyurethane/multi-walled carbon nanotube nanocomposites |
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Authors: | Santosh Kumar Yadav Sibdas Singha Mahapatra Jae Whan Cho Hoon Cheol Park Jae Yeol Lee |
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Institution: | (1) Department of Chemistry, National Institute of Technology Karnataka, Srinivasnagar, Surathkal, 575025, India; |
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Abstract: | Multi-walled carbon nanotubes (MWNTs) nanocomposites with the polymer matrix composed of blends of poly(vinylidene fluoride)
(PVDF) and polyurethane (PU) were prepared via functionalization of 3,4,5-triflouroaniline (TFA) on MWNTs. The MWNTs/polymer
nanocomposites showed a dominantly enhanced elongation due to incorporation of PU molecules in PVDF matrix and the improved
MWNTs dispersion in the polymer matrix resulting from functionalization of MWNTs with TFA. The functionalization of TFA on
MWNTs was confirmed by the measurements of Raman, FT-IR spectra, SEM, and TEM images. In addition, the dielectric constant
of nanocomposites increased with an increase of TFA-functionalized MWNTs in PVDF/PU/MWNTs nanocomposites. The polymer blend
nanocomposites incorporating MWNTs may be available as an alternative potential route for the actuator materials. |
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Keywords: | |
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