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app39504-sup-0001-suppinfo.pdf132KFigure S1 Histograms showing distribution of CaCO3 nanoparticles in each cast film sample. a) 1.8 wt% b) 2.7 wt% c) 3.6 wt% d) 4.6 wt% e) 5.6 wt% f) 6.4 wt% g) 7.4 wt% and h) 8.1 wt% nano-CaCO3/PP composite sample. See how the distribution flattens, broadens and shifts as the concentration of nano-CaCO3 increases in the composite material.

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