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Dispersion of Functionalized Nanoclay Platelets in an Amine-Cured Epoxy Resin System

Published online by Cambridge University Press:  15 March 2011

D. Raghavan ,
E. Feresenbet ,
D. Yebassa ,
A. Emekalam  and
G. Holmes
D. Raghavan
Affiliation:
Polymer Division, Department of Chemistry, Howard University, Washington DC 20059
E. Feresenbet
Affiliation:
Polymer Division, Department of Chemistry, Howard University, Washington DC 20059
D. Yebassa
Affiliation:
Polymer Division, Department of Chemistry, Howard University, Washington DC 20059
A. Emekalam
Affiliation:
Polymer Division, Department of Chemistry, Howard University, Washington DC 20059
G. Holmes
Affiliation:
G. Holmes, Polymer Division, National Institute of Standards & Technology, Gaitherburg, MD 20899
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Abstract

Nanocomposites are a relatively new class of materials obtained by dispersing montmorillonite clay in a polymer matrix. Evidences from literature suggest that clay platelet dispersion during nanocomposite preparation and clay-matrix adhesion are major technical issues that need to be addressed in order to achieve the desired property enhancements in polymer-clay hybrid nanocomposites. We have studied the interaction of the organically functionalized clay with the epoxy resin by including along the chain structure functional groups that will facilitate interaction with the resin. Through conventional routes, functional molecules have been synthesized and deposited on to the clay surface. Both the functionalized and nonfunctionalized clay has been analyzed using thermal gravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR). The exfoliation of nanoclay platelets in amine cured epoxy system has been studied using X-ray diffraction (XRD) and transmission electron microscopy (TEM).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 703: Symposia U/V – Nanophase and Nanocomposite Materials IV , 2001 , V9.26
Copyright
Copyright © Materials Research Society 2002

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References

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