PDMS-MWCNT nanocomposite actuators using silicone functionalized multiwalled carbon nanotubes via nitrene chemistry

Title
PDMS-MWCNT nanocomposite actuators using silicone functionalized multiwalled carbon nanotubes via nitrene chemistry
Authors
Santosh Kumar Yadav김일진김현지김주훈홍순만구종민
Issue Date
2013-09
Publisher
Journal of materials chemistry. C, Materials for optical and electronic devices
Citation
VOL 1, NO 35, 5463-5470
Abstract
We demonstrate that covalently functionalized multiwalled carbon nanotubes (MWCNT) with a silicone copolymer via nitrene chemistry can be used as efficient conductive fillers for silicone dielectric elastomer actuators. The MWCNTs were covalently functionalized with poly(azidopropylmethyl)-co-(dimethylsiloxane) (silicone-N3) bearing an azide group through a nitrene addition reaction. The incorporation of a small amount of the uniformly silicone grafted MWCNTs (silicone-g-MWCNTs) in silicone dielectric elastomer strongly enhanced the mechanical, dielectric, and electromechanical properties of the resulting nanocomposites. This reinforcing effect is attributed to the homogeneous dispersion of silicone-g-MWCNTs in the silicone elastomer matrix due to the large degree of compatibility between the matrix and the passivation layers of the functionalized MWCNT.
URI
http://pubs.kist.re.kr/handle/201004/46506
ISSN
20507526
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KIST Publication > Article
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