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

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 modu...

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Bibliographic Details
Published in:Chemistry of materials 2003-11, Vol.15 (23), p.4470-4475
Main Authors: Velasco-Santos, Carlos, Martínez-Hernández, Ana L, Fisher, Frank T, Ruoff, Rodney, Castaño, Victor M
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Summary: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.
ISSN:0897-4756
1520-5002
DOI:10.1021/cm034243c