Achieving a low electrical percolation threshold and superior mechanical performance in poly( l -lactide)/thermoplastic polyurethane/carbon nanotubes composites via tailoring phase morphology with the aid of stereocomplex crystallites

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We demonstrate a facile strategy to fabricate highly conductive PLLA/TPU/CNTs composites with very low percolation threshold and good stiffness–toughness balance via constructing stereocomplex crystallites in PLLA melt to tailor phase morphology.