Abstract

Spectroscopic and thermal properties of PU/PVC doped with multi walled carbon nanotube

Author(s): A. M. Hezma, I. S. Elashmawi1,, A. Rajeh and Mustafa Kamal

Nanocomposites based on (PU/PVC) polyurethane (PU) and poly (vinyl chloride) (PVC) loaded with low contents of multi walled carbon nanotubes (MWCNTs) were prepared using solution casting technique. The composition and structure of blend and nanocomposites were characterized by Fourier transform infrared spectroscopy (FTIR), Ultraviolet-visible spectroscopy (UV-Vis.) and Thermogravemetric (TGA). The spectroscopic study indicated that a strong interfacial interaction was developed between carbon nanotube (CNT) and the polymer matrix in the nanocomposites and optical energy gap direct and indirect decrease with increasing of MWCNTs. Thermal stability was studied by Thermogravimetric analysis (TGA)indicated that the behavior of thermal stability were enhanced after addition of MWCNTs into polymer blend and activation energy calculated by two method and decrease with increase of MWCNTs concentration . All results data showed well dispersed of MWCNTs in polymer matrix at all weight percentages

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