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This work results from a PhD thesis whose objective was the development by twin-screw extrusion of nanocomposites based on different formulations of polypropylene (PP) and biobased poly(butylene succinate) (PBS), filled with various levels of organomodified montmorillonite, varying between 0 and 10 wt%. The morphological, structural, physico-chemical, mechanical and electrical properties of these nanocomposites were characterized. A comparative study of the different formulations made it possible to select composites with optimized mechanical and electrical properties. The results show an intercalated and partially exfoliated morphology for relatively high clay levels and a reduction in the size of the nodules of the dispersed phase with the clay content. The morphology has also an influence on the mechanical behaviour of the blends. For relatively low clay content, the electrical insulation properties of nanocomposites are improved.

This work was made possible thanks to funding from the URCA and the agglomeration of Grand Reims (PhD of Mouhja Bencharki).

This publication was made possible through a collaboration between researchers from the MATIM laboratory (URCA) and FARE laboratory, with fundings from URCA and Grand Reims for PhD thesis of Mouhja Bencharki.

Read: Bencharki M, Rondot S*, Tara A, Jbara O, Berzin F. Electrical and mechanical properties of partially bio-based PP/PBS blends nanocomposites elaborated by twin screw extrusion. Journal of Applied Polymer Science 2021, 138, 51401. DOI

Contact: Pr Françoise Berzin, francoise.berzin@univ-reims.fr