Multiwalled-carbon Nanotubes/Poly (butylene terephthalate) Nanofibres: Morphological, Mechanical and Thermal Properties

作者：Saeed Khalid^*; Park Soo Young

来源：Iranian Polymer Journal, 2011, 20(10): 795-801.

• nanocomposites
• morphology
• differential scanning calorimetry
• carbon nanotubes
• nanofibres

Poly(butylene terephthalate) (PBT) nanofibres containing functionalized multiwalled-carbon nanotubes (F-MWNTs) were prepared by electrospinning technique. The F-MWNTs were prepared by the introduction of aromatic amine (COC(6)H(4)-NH(2)) groups onto their side wall via Friedel-Crafts acylation. The diameter of neat PBT nanofibres was below 500 nm and had smooth surface. The scanning electron microscopy (SEM) also showed that F-MWNTs/PBT composite nanofibres mat had similar morphology with that of pure PBT and without beads. The surface of the composite nanofibres was also smooth even by adding high quantity of F-MWNTs. The F-MWNTs were embedded within nanofibres and well oriented along the nanofibre axis, as confirmed by transmission electron microscopy (TEM). The mechanical properties (specific tensile strength and moduli) of the PBT nanofibres were significantly enhanced by the incorporation of F-MWNTs. It was also observed that the melt

• 出版日期2011-10