Abstract
AbstractSummary: The influence of the incorporation of hydrophobic nanosilica on morphological and mechanical properties of polyamide 6 (PA) and poly(propylene) (PP) blends has been investigated. Depending on the amount of silica nanoparticles in the blend and the melt mixing procedure, a strong refinement of PP (as minor dispersed phase) droplet size can be achieved thanks to the interfacial confinement of nanoparticles. The accumulation of nanoparticles at the interface allows the formation of an anti‐coalescence rigid barrier around PP domains that prevents/refrains dispersed phase domains from coalescence as highlighted by transmission and scanning electron microscopies. The mechanical properties of the hybrid blends were also discussed and interpreted in relation with the blend morphology.
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