Nano Science and Technology Institute
Nanotech 2010 Vol. 1
Nanotech 2010 Vol. 1
Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites
Chapter 5: Composite Materials

Thermomechanical Properties of Epoxy Resin MWCNts Nanocomposites

Authors:A. Kanapitsas, H. Zois, C.G. Delides
Affilation:Technological Educational Institute of Lamia Department of E, GR
Pages:818 - 821
Keywords:polymer nanocomosites, multi walled carbon nanotubes, thermogravimetry
Abstract:The main aim of the present work is to study the mechanical and thermal properties of nanocomposite materials based on epoxy resin (ER) matrix reinforced with multi-walled carbon nanotubes (CNTs). The filler content was systematically varied from 0.1 to 1 % w/w. Thermogravimetric/Differential Thermal Analysis (TGA/DTA) and Dynamic Mechanical Analysis (DMA) measurements were carried out. Relative TGA and derivative (DTGA) curves for neat epoxy and the prepared ER/CNTs nanocomposites are presented. The results revealed that the samples show good thermal stability for temperatures up to 350 oC with a maximum decomposition temperature higher than 370 oC. The decomposition (thermal degradation) temperature corresponds to the temperature of the peak of the derivative mass loss (DTGA) curve, i.e. the temperature of the maximum weight loss rate. Pure epoxy matrix shows, generally, better thermal stability (i.e. the degradation starts at higher temperatures), compared to the ER/CNTs nanocomposites. The char formation mechanism is, generally, enhanced when adding filler particles, however the values of the residual mass for the ER/CNTs nanocomposites decrease with increasing filler content. For the samples with lower filler content, the glass transition temperature decreases.
Thermomechanical Properties of Epoxy Resin MWCNts NanocompositesView PDF of paper
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