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Influence of chemically and plasma-functionalized carbon nanotubes on high-performance polymeric nanocomposites

Publication Type : Journal Article

Publisher : High Performance Polymers

Source : High Performance Polymers, Volume 28, Issue 5 (2016)

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Keywords : Carbon nanotubes, interfacial strength, photoelectron spectroscopy (XPS), plasma deposition, stress transfer

Campus : Coimbatore

School : Department of Aerospace Engineering, School of Engineering

Center : Amrita Innovation & Research

Department : Aerospace

Verified : Yes

Year : 2016

Abstract : This investigation highlights different surface functionalization processes of multi-walled carbon nanotubes (MWCNTs) and their effects on mechanical properties of polyetherimide nanocomposite. Surfaces of MWCNTs were modified by chemical process and by low-pressure plasma process. There is a significant change in physicochemical characteristics of MWCNTs after chemical and low plasma treatment evident from scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy studies. Due to surface modification of CNTs, there is a significant change in surface morphology and increase in oxygen functionalities such as C=O, C–O, and COOH especially evident in low-pressure plasma treatment; however, differential scanning calorimeter and thermogravimetric analysis studies reveal that thermal properties of the composite do not alter as such. There is a significant increase in mechanical properties of high-performance polymeric nanocomposites when surface-functionalized MWCNTs are dispersed in polymeric matrix; however, surface characteristics of the composite remain almost unchanged evident from contact angle and surface energy studies.

Cite this Research Publication : A. G. Mannadiar, Bhowmik, S., Dr. Sivakumar V., Varshney, L., Baluch, A. H., Park, Y., Gilsang, S., and Kim, C. - G., “Influence of chemically and plasma-functionalized carbon nanotubes on high-performance polymeric nanocomposites”, High Performance Polymers, vol. 28, no. 5, 2016.

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