Nano Science and Technology Institute
Nanotech 2014 Vol. 1
Nanotech 2014 Vol. 1
Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
 
Chapter 5: Composite Materials
 

Effect of Layer Multiplying Extrusion on the Morphology and Properties of PS/CNT Nanocomposites

Authors:R. Jian, C. Barry, J. Mead
Affilation:University of Massachusetts Lowell, US
Pages:396 - 399
Keywords:carbon nanotubes, extrusion
Abstract:Multilayer coextrusion has been used to produce extruded films having up to several thousand alternating layers with individual layer thicknesses ranging from several micrometers to only a few nanometers. In this work, the multilayer coextrusion process was used to orient carbon nanotubes in a polymer matrix. After 5 wt. % multiwall carbon nanotubes (MWCNTs) were melt mixed with polystyrene, polymer nanocomposites with three to over 4000 layers were extruded using a multilayer coextrusion process. The effects of the number of film layers on morphology evolution – i.e., MWCNT orientation and dispersion - were studied using transmission electron microscopy and polarized raman spectroscopy. Changes in the mechanical and electrical properties with increasing film layers were correlated with the morphological changes
ISBN:978-1-4822-5826-4
Pages:552
Hardcopy:$209.95
 
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