Published : 2015-10-30

Formation of polypropylene nanofibers by solid state deformation during blending with molten polyethylene

Abstract

A novel method for preparing all-polymer nanocomposites was described. The technique is based on enhanced susceptibility to deformation of a polymer having a lowered number of entanglements in the amorphous phase. Polymer powder remaining in the solid state was blended with a second molten polymer, and the shearing forces during compounding deformed the powder grains into nanofibers. After solidification of the matrix all-polymer nanocomposite was obtained. The effectiveness of the method was demonstrated on the example of ultra-high molecular weight polyethylene (PE-UHMW) composite containing PP nanofibers, produced in situ during compounding.


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Krajenta, J., Pawlak, A., & Gałęski, A. (2015). Formation of polypropylene nanofibers by solid state deformation during blending with molten polyethylene. Polimery, 60(10), 664-666. https://doi.org/10.14314/polimery.2015.664