Effect of Graphene Loading on Mechanical and Morphological Properties of Recycled Polypropylene/Polyaniline Nanocomposites
1 Enhanced Polymer Research Group, Department of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, Johor, 81310 Skudai, Malaysia
2 Chemical Eng. Department, College of Engineering, King Saud University, Riyadh 1142a, Saudi
The investigation of the graphene (GN) performance in improving mechanical properties of recycled polypropylene with crosslinkedpolyaniline (rPP-g-PANI) was prepared via ultrasound extrusion. The concentration of GN in the research was varied from 0.5 to 3 phr, while polyaniline (PANI) and dycumil peroxide(DCP) were fixed at 4 wt. % and 1 phr loading, respectively. The morphological structure of the nanocomposites was investigated using fill emission scanning electron microscopy (FESEM) and confirmed a good dispersion of PANI and GN on rPP matrix. The increasing loading of GN has promoted a slight improvement in tensile modulus and tensile strength at 1.5 and 2 phr of GN loadings, respectively. However elongation at break showed a decrease at all PANI loadings due to lack of interfacial addition between PANI/GN particles and the rPP matrix.
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