Abstract
This work investigates the effect of precipitated Polyethylene Terephthalate (p-PET) and loading of Multiwalled carbon nanotubes (MWCNT) on morphology and rheology of Polyethylene Terephthalate (PET)/MWCNT nanocomposites. As received PET and Self-Nucleated PET (Nuc-PET) nanocomposites with different loadings of multi-walled carbon nanotubes (MWCNT) were prepared by melt mixing technique. Synthesized reorganized PET crystallizes rapidly from the melt and it is used in small quantities as a self-nucleating agent to make Nuc-PET. In the present study, Rheological properties of nanocomposites are obtained and results show with increase in MWCNT loading complex viscosity of nanocomposites increases. Nonterminal solid like rheological behavior of PET nanocomposites were observed at low frequencies, which indicates the formation of the network like structures of MWCNT in nanocomposites. Morphological and rheological properties of self-nucleated PET nanocomposites improved significantly may be due to self-nucleating agent p-PET. Morphological properties were studied by Scanning Electron Microscopy (SEM). SEM shows better dispersion of MWCNT in Nuc-PET nanocomposites.
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