Abstract
Rheological, thermal, mechanical and morphological properties of core-shell [Calcium carbonate (CaCO3)/Polystyrene (PS)]/High impact polystyrene (HIPS) as well as bare nano-CaCO3/HIPS nanocomposites with different wt% loading were investigated in this paper. All composites were prepared individually by incorporating nano-CaCO3/PS hybrid nanoparticles and bare nano-CaCO3 with 0.10–5.0 wt% loading on Brabender Plastograph. It was shown from the experimental results that rheological, thermal, mechanical and morphological properties were improved as hybrid nano-CaCO3/PS particles reinforced in HIPS matrix. The interaction between nano-CaCO3 particles and HIPS matrix was significantly improved when the nano-CaCO3 nanoparticles were grafted with PS. FESEM (field emission scanning electron microscope) and AFM (atomic force microscope) images showed a perfect dispersion of nano-CaCO3 particles in polypropylene (PP) matrix.
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