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SEM micrographs of TPE based on: (a) unfilled polypropylene (PP)/ethylene-propylene-diene monomer (EPDM) (60/40), (b) nanoclay-filled PP/EPDM (60/40), (c) unfilled PP/EPDM (40/60), and (d) nanoclay-filled PP/EPDM (40/60) blends. Adapted with permission from [87]; copyright 2019 John Wiley and Sons Ltd.
