Abstract
Abstract This review provides valuable information about the general characteristics, processing conditions and physical properties of carbon nanotube buckypaper (BP) and its polymer composites. Vacuum filtration is the most common technique used for manufacturing BP, since the carbon nanotubes are dispersed in aqueous solution with the aid of surfactant. Previous works have reported that mechanical properties of BP prepared by vacuum filtration technique are relatively weak. On the other hand, the incorporation of polymer materials in those nanostructures revealed a significant improvement in their mechanical behavior, since the impregnation between matrix and BP is optimized. Electrical conductivity of BP/polymer composites can reach values as high as 2000 S/m, which are several orders of magnitude greater than traditional CNT/polymer composites. Also, BP can improve remarkably the thermal stability of polymer matrices, opening new perspectives to use this material in fire retardant applications.
Highlights
Introduction to CNTsSince the Discovery of carbon nanotubes (CNTs) in 1991 by Iijima, CNTs have attracted a great deal of interest due to their superior mechanical, electrical and thermal properties, which makes them an ideal candidate of nanofiller in preparation of polymer nanostructured composites[1,2,3,4]
According to previous works[88], thermal conductivity of epoxy-based composites reinforced with 1.0 vol.% of multi walled carbon nanotubes (MWCNT) increased by more than 100% reaching a value around 0.5 W/mK
This review provides a comprehensive overview of the research in carbon nanotube reinforced polymer composites
Summary
Since the Discovery of carbon nanotubes (CNTs) in 1991 by Iijima, CNTs have attracted a great deal of interest due to their superior mechanical, electrical and thermal properties, which makes them an ideal candidate of nanofiller in preparation of polymer nanostructured composites[1,2,3,4]. The possibility of obtaining advanced composites with multifunctional properties has attracted the efforts of researches in both industry and academia. Industry assumes their potential applications such as nanoelectronics devices and ultra-light structural materials. Similar in chemical composition to graphite, CNTs are highly isotropic, and it is this topology that distinguishes nanotubes from other carbon structures and gives them their unique properties. They are one dimensional carbon material which have an aspect ratio greater than 100[3,10,11,12].
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