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Keywords:

  • acrylonitrile-butadiene-styrene;
  • in situ polymerization;
  • morphology;
  • nanoparticles;
  • zinc oxide

Abstract

A series of ABS/ZnO nanocomposites with different nanoparticles content were synthesized by mass-mass and mass-suspension processes. Because nanocomposites obtained through mass-suspension process had a greater impact resistance than those derived from mass-mass process, they were subjected to twin-screw extrusion. The extrusion led to a dramatic morphological change and increase in impact resistance, higher than 100% in most of the cases. On the other hand, the higher the ZnO content, the higher the UV blocking (>95% for 1 and 3% of ZnO) for both materials, before and after extrusion.