Improvement of Thermal and Mechanical Properties of Carbon Nanotube Composites through Chemical Functionalization

Carlos Velasco-Santos, Ana L. Martínez-Hernández, Frank T. Fisher, Rodney Ruoff, Victor M. Castaño

Research output: Contribution to journalArticlepeer-review

395 Scopus citations

Abstract

Chemically functionalized multiwalled carbon nanotubes were incorporated into a polymer matrix by in situ polymerization, to improve the transfer of mechanical load through a chemical bond, which was demonstrated by Raman and infrared spectroscopies. The resulting composite shows higher storage modulus (E′) and tensile strength than existing similar composites, with only 1 wt % of functionalized nanotubes. E′ at 90 °C is increased by an outstanding 1135% and the glass transition temperature is exceptionally raised by ≅40 °C.

Original languageEnglish
Pages (from-to)4470-4475
Number of pages6
JournalChemistry of Materials
Volume15
Issue number23
DOIs
StatePublished - 18 Nov 2003

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