A novel approach of in situ grafting polyamide 6 to the surface of multi-walled carbon nanotubes

In this report, a novel approach was developed to graft polyamide 6 (PA6) onto the surface of multi-walled carbon nanotubes (MWNTs). MWNTs were covalently functionalized with copoly(styrene-maleic anhydride) (SMA) via free radical polymerization. SMA functionalized MWNTs (MWNTs-g-SMA) were then used...

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Published in:Materials letters 2009-01, Vol.63 (2), p.298-300
Main Authors: Yan, Dongguang, Yang, Guisheng
Format: Article
Language:English
Subjects:
Carbon nanotubes
Electron microscope
Functionalization
Polymers
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description In this report, a novel approach was developed to graft polyamide 6 (PA6) onto the surface of multi-walled carbon nanotubes (MWNTs). MWNTs were covalently functionalized with copoly(styrene-maleic anhydride) (SMA) via free radical polymerization. SMA functionalized MWNTs (MWNTs-g-SMA) were then used as a macromolecular activator of anionic ring-opening polymerization of ε-caprolactam thus to graft PA6 onto the surface of MWNTs. Raman, FTIR spectroscopy and FETEM were used to identify the covalently grafting SMA and PA6 onto the surface of MWNTs. Additionally, the dispersibility of PA6 functionalized MWNTs (MWNTs-g-PA6) in formic acid and melted ε-caprolactam was also demonstrated.
doi_str_mv 10.1016/j.matlet.2008.10.013
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subjects Carbon nanotubes
Electron microscope
Functionalization
Polymers
title A novel approach of in situ grafting polyamide 6 to the surface of multi-walled carbon nanotubes
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