Polymer Nanocomposites: Crystallization, Reinforcement and Conductivity through SWNTs

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Polymer Nanocomposites: Crystallization, Reinforcement and Conductivity through SWNTs

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Title: Polymer Nanocomposites: Crystallization, Reinforcement and Conductivity through SWNTs
Author: Anoop Anand, K; Dr. Rani, Joseph
Abstract: The current research investigates the possibility of using single walled carbon nanotubes (SWNTs) as filler in polymers to impart several properties to the matrix polymer. SWNTs in a polymer matrix like poly(ethylene terephthalate) induce nucleation in its melt crystallization, provide effective reinforcement and impart electrical conductivity. We adopt a simple melt compounding technique for incorporating the nanotubes into the polymer matrix. For attaining a better dispersion of the filler, an ultrasound assisted dissolution-evaporation method has also been tried. The resulting enhancement in the materials properties indicates an improved disentanglement of the nanotube ropes, which in turn provides effective matrix-filler interaction. PET-SWNT nanocomposite fibers prepared through melt spinning followed by subsequent drawing are also found to have significantly higher mechanical propertiesas compared to pristine PET fiber.SWNTs also find applications in composites based on elastomers such as natural rubber as they can impart electrical conductivity with simultaneous improvement in the mechanical properties.
Description: Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology
URI: http://dyuthi.cusat.ac.in/purl/2206
Date: 2006-12


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