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Characterization of dispersion of carbon nanotubes in polymer matrices

Published online by Cambridge University Press:  07 February 2012

Laura Peña-Parás ,
Hubert Phillips III  and
Enrique V. Barrera
Laura Peña-Parás
Affiliation:
Universidad de Monterrey, Ave. Morones Prieto 4500 Pte. C. P., San Pedro Garza García, N. L. 66238, México, laura.pena@udem.edu.mx
Enrique V. Barrera
Affiliation:
Rice University, 6100 Main Street, Houston, TX 77098, USA.
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Abstract

Dispersions of carbon nanotube polymer composites were characterized by Raman mapping.Single-walled nanotubes (SWNTs), double-walled nanotubes (DWNTs), multi-walled nanotubes (MWNTs), and XD-grade carbon nanotubes (XD-CNTs) were dispersed in a vinyl ester (VE) resin using an ultrasonic probe at a fixed frequency. SWNTs were functionalized with succinic acid peroxide (SAP) to enhance dispersion. Increasing ultrasonication energy was found to improve the distribution of carbon nanotubes (CNTs) and decrease the size of ropes, whereas excessive amounts of energy were found to result in damage. The quality of dispersion was verified through optical microscopy and scanning electron microscopy (SEM).

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1371: Symposium S1 – Nanostructured Materials and Nanotechnology , 2012 , imrc11-1371-s1-46
Copyright
Copyright © Materials Research Society 2012

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