NDLI: Enhanced piezoresistance repeatability of carbon nanotube/silicane composites achieved using radiation-induced graft polymerization

Content Provider	Springer Nature Link
Author	Zhang, Xiaoxiang Qasim, Khan Hu, Songtao
Copyright Year	2014
Abstract	A novel and effective technique was devised for the synthesis of electrically conductive, rubber-based MWCNT (multiwall carbon nanotube) composites, using radiation-induced graft polymerization. The chemical structure and morphology of the grafted MWCNTs were investigated using micro-FTIR, Raman spectroscopy, scanning electron microscopy, and transmission electron microscopy. The tetravinyl tetramethyl cyelo tetrasiloxane-modified MWNTs were mixed with poly (vinylmethylsiloxane) (PVMS). After vulcanization, the nanotubes were cross-linked with a polymer matrix. The resistance was measured with respect to the deformation response of these nanocomposites, and it was found that the piezoresistance repeatability was enhanced under multiple compressive tests. The contents of the composites were optimized to provide either a larger stress-sensitive range, or improved piezoresistance repeatability. The electromechanical response of the grafted nanocomposite matrices was measured under the application of a mechanical load. It was found that the nanocomposites exhibited distinct relative resistance versus stress behavior in the elastic deformation regime; these results were in good agreement with accepted theories about charge carrier transport mechanisms in isolator/conductor composites.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISSN	10229760
Journal	Journal of Polymer Research
Volume Number	21
Issue Number	6
e-ISSN	15728935
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-05-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Radiation-induced grafting Carbon nanotubes Piezoresistivity Polymer Sciences Industrial Chemistry/Chemical Engineering Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Polymers and Plastics

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