Effect of Structure and Morphology on the Tensile Properties of Polymer/Carbon Nanotube Nanocomposites
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In this chapter, different morphologies of CNTs during fabrication were investigated, including isolated CNTs, short CNTs and CNT membranes. The effect of morphologies and structures on tensile properties was discussed in detail. Generally, the addition of CNTs into polymer matrix indicated improvement in tensile modulus and tensile strength if good dispersion and strong interfacial bonding are achieved. Especially, tensile properties improved substantially via chemical or physical functionalization due to the enhanced reactivity on CNT sidewalls and the improved interfacial bonding. It should be noted that film-impregnated CNT/polymer composites were readily handled compared with the conventional casting or melting-processed CNT/polymer composites. The improved interfacial bonding strongly enhances the effectiveness of load-transfer and makes it possible to take full advantage of the exceptional performance of CNTs. Scrivener Publishing LLC.
