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Functionalization of carbon nanotubes using a silane coupling agent

Material type: TextSeries: ; Carbon, 44(15), p.3232-3238, 2006Contained works:
  • Ma, P.M
  • Kim, J.K
  • Zhong Tang, B
Subject(s): Online resources: Abstract: A new method is developed to chemically functionalize multi-walled carbon nanotubes (MWCNTs)based on silanization reaction for use as the reinforcement for polymer matrix composites. To oxidize and create active moieties on the MWCNTs, the samples were exposed to UV light within the ozone chamber, followed by silanization using 3-glycidoxypropyltrimethoxy silane after the oxidized MWCNTs were reduced by lithium aluminum hydride. FT-IR, TEM and XPS were employed to characterize the changes in carbon nanotubes surface morphology, chemistry and physical conditions at different processing stages. The results indicate improved dispersion and attachment of silane molecules on the surface of the MWCNTs.
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A new method is developed to chemically functionalize multi-walled carbon nanotubes (MWCNTs)based on silanization reaction for use as the reinforcement for polymer matrix composites. To oxidize and create active moieties on the MWCNTs, the samples were exposed to UV light within the ozone chamber, followed by silanization using 3-glycidoxypropyltrimethoxy silane after the oxidized MWCNTs were reduced by lithium aluminum hydride. FT-IR, TEM and XPS were employed to characterize the changes in carbon nanotubes surface morphology, chemistry and physical conditions at different processing stages. The results indicate improved dispersion and attachment of silane molecules on the surface of the MWCNTs.

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