Thermal, Morphological and Dynamic Mechanical Characterization of Melt Blended PC Nanocomposites

Abstract:

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Polycarbonate (PC) nanocomposites were prepared by melt intercalation technique in an intermeshing co-rotating twin-screw extruder. Both unmodified (Na+MMT) and organo-modified (Cloisite 10A & OMMT) clays were used for the preparation of nanocomposites. The effect of addition of clays on the morphological and dynamic mechanical properties of PC matrix has been studied. The wide angle X-ray (WAXD) studies reveal a dominated exfoliated morphology of the nanocomposites at a clay content of 5%. The intercalated morphology is predominated upto clay content of 3%. Transmission electron microscopy (TEM) demonstrated the co-existance of intercalated/exfoliated morphology in all the composites. Dynamic mechanical analysis (DMA) shows an increase in storage modulus indicating higher stiffness in case of organomodified clay filled composites as compared to unmodified & virgin matrix.

Info:

Periodical:

Advanced Materials Research (Volumes 29-30)

Edited by:

Deliang Zhang, Kim Pickering, Brian Gabbitas, Peng Cao, Alan Langdon, Rob Torrens and Johan Verbeek

Pages:

275-278

DOI:

10.4028/www.scientific.net/AMR.29-30.275

Citation:

S.K. Samal et al., "Thermal, Morphological and Dynamic Mechanical Characterization of Melt Blended PC Nanocomposites", Advanced Materials Research, Vols. 29-30, pp. 275-278, 2007

Online since:

November 2007

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Price:

$35.00

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