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Journal of Materials Science

, Volume 44, Issue 3, pp 799–807 | Cite as

Modification of single-walled carbon nanotubes and its influence on the interfacial strength in polymeric composites

  • R. Mikael LarsenEmail author
Article

Abstract

Single-walled carbon nanotubes was purified and modified with dichlorocarbene, HNO3 or octadecylamine and incorporated in polymeric matrices of polycarbonate and epoxy. Exposing the composite material to a tensile strain and measuring the shift of the G′-band revealed that higher loads could be transferred to the HNO3-modified carbon nanotubes. Exfoliation was regarded as the main reason for the increased interfacial strength resulting in larger specific surface area and higher hydrostatic compressive stresses on the nanotube bundles.

Keywords

Interfacial Strength Interfacial Shear Strength Octadecylamine Cohesive Energy Density Individual Nanotubes 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringAalborg UniversityAalborgDenmark

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