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How can Nanohybrids Enhance Polyester/Sepiolite Nanocomposite Properties?
Author(s) -
Duquesne Emmanuel,
Moins Sébastien,
Alexandre Michaël,
Dubois Philippe
Publication year - 2007
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200700335
Subject(s) - sepiolite , masterbatch , nanocomposite , materials science , composite material , toughness , polyester , polymer , modulus , chemistry , organic chemistry , raw material
PCL/sepiolite (nano)composites are prepared by melt blending in a twin‐screw mini‐extruder, and PCL/sepiolite nanohybrids are synthesized by ROP of ε ‐CL. The nanohybrids have been used as masterbatches and dispersed in a commercial PCL matrix. Composites with 3 wt.‐% nanofiller were prepared and characterized thermally, mechanically, and morphologically. Sepiolite addition has a profound effect on the mechanical properties of the PCL/sepiolite nanocomposites. Sepiolite disperses well in PCL, which leads to a significant increase in Young's modulus. The use of a PCL nanohybrid as masterbatch further improves the stiffness but also the toughness of the material in the elastic range.

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